CN115234933B - Smoke exhaust waste heat recycling device for gas steam boiler and utilization method thereof - Google Patents
Smoke exhaust waste heat recycling device for gas steam boiler and utilization method thereof Download PDFInfo
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- CN115234933B CN115234933B CN202210627291.1A CN202210627291A CN115234933B CN 115234933 B CN115234933 B CN 115234933B CN 202210627291 A CN202210627291 A CN 202210627291A CN 115234933 B CN115234933 B CN 115234933B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- General Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field of high-efficiency energy-saving industry, in particular to a smoke exhaust waste heat recycling device for a gas steam boiler and a utilization method thereof, wherein the smoke exhaust waste heat recycling device comprises a shell, a connecting port and an air inlet pipe are respectively and fixedly arranged at two ends of the shell, and the smoke exhaust waste heat recycling device for the gas steam boiler comprises: the air preheating component is used for preheating air input from the air inlet pipe, improving the temperature of the input air, enabling the temperature of the air to be more uniformly improved, enabling the air to enter the combustion cavity of the gas steam boiler, and promoting the coal inside the combustion cavity to be more fully combusted; the drainage assembly is used for draining water drops separated from air in the shell, so that water drops condensed in the shell can be more conveniently drained; according to the invention, the fluidity of air entering the shell is accelerated through the rotation of the heat conducting piece, so that the air can be better preheated, the coal in the combustion cavity can be more fully combusted, and the waste heat of the flue gas can be better utilized.
Description
Technical Field
The invention relates to the technical field of high-efficiency energy-saving industry, in particular to a smoke exhaust waste heat recycling device for a gas steam boiler and a utilization method thereof.
Background
The gas steam boiler is a steam boiler heated by gas combustion, and can be classified into a natural gas steam boiler, a city gas steam boiler, a coke oven gas steam boiler, a liquefied petroleum gas steam boiler, etc. according to fuel; the utility model can be divided into a vertical steam boiler and a horizontal steam boiler according to the structural style, and the flue gas generated when the urban gas steam boiler is used is discharged through the flue, so that the heat of the flue gas can be recycled by using the waste heat recycling device.
The invention relates to a gas steam boiler waste heat utilization device and a method, belonging to the technical field of energy utilization and particularly providing a gas steam boiler waste heat utilization device and a method. The device comprises a boiler, a soft water tank, an injection device and a heat exchange unit, wherein the heat exchange unit is positioned between the boiler and the soft water tank, the heat exchange unit enables flue gas waste heat in the boiler to exchange heat with soft water in the soft water tank, and the heat exchange unit also comprises a soft water flow control unit; the injection device comprises two inlets and an outlet, wherein the two inlets are used for respectively connecting the boiler with a steam outlet of the boiler and a steam outlet of the heat exchange unit, and after the two types of steam are mixed and injected, the two types of steam are connected with the steam heating device through an external steam supply pipeline. The principle is as follows: the high-pressure steam is used as injection fluid, a vacuum environment is established by using an injector, boiler water is vaporized in a low-temperature evaporator at a temperature lower than the dew point of flue gas, deep recovery of the smoke discharging latent heat of the gas steam boiler is realized through phase change and mass heat absorption, and heating utilization of low-grade latent heat is realized through compression of the low-pressure steam in the injection process.
When the flue gas is discharged nowadays, the flue gas waste heat recycling device is generally used for preheating the air input into the combustion cavity of the gas steam boiler by utilizing the heat of the flue gas, the temperature rise is slower when the air is preheated, and the preheating efficiency is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a smoke exhaust waste heat recycling device for a gas steam boiler and a utilization method thereof, and the smoke exhaust waste heat recycling device has the advantages that air can be preheated better, coal in a combustion cavity can be combusted more fully, and waste heat of smoke can be utilized better.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a gas steam boiler is with waste heat recovery utilizes device that discharges fume, includes the shell, shell both ends fixed mounting respectively has connector and intake pipe, and this waste heat recovery utilizes device that discharges fume includes: the air preheating component is used for preheating air input from the air inlet pipe, improving the temperature of the input air, enabling the temperature of the air to be more uniformly improved, enabling the air to enter a combustion cavity of the gas steam boiler, and promoting coal inside the combustion cavity to be more fully combusted; the drainage assembly is used for draining water drops separated from air in the shell, so that water drops condensed in the shell can be more conveniently drained, and the water drops are prevented from corroding the inner wall of the shell; the filter component is used for filtering out soot during smoke exhaust, reducing the soot from entering and adhering to the inner wall of the shell, and being difficult to clean and damaging the inner wall of the shell; the air preheating assembly comprises a conveying pipe, an air conveying connecting cylinder, a first motor, a rotating shaft, a first bevel gear, a second bevel gear, a heat conducting piece and an exhaust connecting cylinder, wherein the conveying pipe is fixedly installed at the top end of the inner wall of the shell, the air conveying connecting cylinder is rotatably installed at one end of the conveying pipe, a plurality of heat conducting pieces are fixedly installed on the outer wall of the air conveying connecting cylinder, the exhaust connecting cylinder is fixedly installed on one side of the heat conducting piece, the first motor is fixedly installed on the outer wall of the shell, the rotating shaft is installed at one end of the first motor, the rotating shaft extends into the shell, the first bevel gear is fixedly installed at one end of the rotating shaft, the first bevel gear is located inside the shell, the second bevel gear is fixedly installed on the outer wall of the air conveying connecting cylinder, and the second bevel gear is meshed with the first bevel gear.
Optionally, gas-supply connecting cylinder one end fixed mounting has the collar, the gas-supply connecting cylinder passes through the collar rotate install in conveyer pipe one end, equal fixed mounting in shell inner wall both ends has the dead lever, dead lever one end fixed mounting has the aiutage, aiutage position with the aiutage is corresponding, the aiutage rotate install in aiutage one end, aiutage other end fixed mounting has the blast pipe, just the blast pipe extends to the shell outer wall, shell outer wall one side fixed mounting has the installing frame, first motor passes through installing frame fixed mounting in shell outer wall one side.
Optionally, a plurality of the heat-conducting piece is hollow metal sheet, the heat-conducting piece bottom with exhaust connecting cylinder inner wall is linked together, exhaust connecting cylinder with exhaust cylinder inner wall is linked together, a plurality of heat-conducting piece evenly distributed in exhaust connecting cylinder outer wall, a plurality of heat-conducting piece one end fixed mounting has the slider, shell inner wall fixed mounting has the slip ring, just slider slidable mounting in the slip ring inner wall, a plurality of ring grooves have been seted up to the collar outer wall, conveyer pipe inner wall one end fixed mounting has a plurality of annular lugs, just annular lug with the looks joint of ring groove.
Optionally, the drainage subassembly includes drainage piece, first sliding plate, second sliding plate, slider, connecting rod, connecting plate and electric putter, drainage piece slidable mounting in shell inner wall bottom, drainage piece is located exhaust connecting cylinder one side, a plurality of first sliding plate fixed mounting in shell outer wall one end both sides, electric putter fixed mounting in shell inner wall one end, electric putter output extends to the shell outer wall, second sliding plate fixed mounting in electric putter output one end, slider slidable mounting in second sliding plate one side, a plurality of connecting rod fixed mounting in slider both sides, a plurality of connecting plate fixed mounting in connecting rod one side.
Optionally, the connecting plate is L shape, just drainage one end slidable mounting in connecting plate one side, a plurality of the spout has all been seted up to first sliding plate one end, just the spout is slope downwardly distributed on first sliding plate, a plurality of connecting rod one end all slidable mounting in spout cell wall.
Optionally, the drainage piece is the box of storing the water droplet, drainage tank has been seted up to drainage piece inner wall bottom, shell inner wall bottom end has the sealing strip, just the sealing strip with drainage tank looks block, shell inner wall one end fixed mounting has waterproof frame, electric putter is located waterproof frame is inside.
Optionally, the mounting groove has been seted up to shell one end, drainage piece slidable mounting in the mounting groove cell wall, shell inner wall one end fixed mounting has the limiting plate, the limiting plate is the metal sheet of upward sloping, the limiting plate with the mounting groove position is corresponding, just the limiting plate is located drainage piece top, mounting groove cell wall bottom fixed mounting has the second closing plate, drainage piece inner wall one side fixed mounting has first closing plate, just first closing plate and second closing plate looks block.
Optionally, the filter component includes filter frame, filter mounting piece, buckle, filter screen, mounting and fixed orifices, filter frame fixed mounting in the conveyer pipe top, filter mounting piece slidable mounting in filter frame inner wall, filter mounting inner wall bottom fixed mounting has the filter screen, filter frame inner wall fixed mounting has the mounting, a plurality of the fixed orifices set up in mounting one side, a plurality of buckle fixed mounting in filter mounting one side, just the buckle with the fixed orifices looks block, filter frame top fixed mounting has the flue.
Optionally, a plurality of water vapor separation parts are fixedly arranged on the inner wall of the shell, a plurality of vent holes are formed in one end of each water vapor separation part, and a plurality of water diversion grooves are formed in one end of each water vapor separation part.
The utility method of the device for recycling the exhaust gas waste heat of the gas steam boiler comprises the following steps:
s1, enabling flue gas to enter a filter frame through a flue, and filtering soot in the flue gas through a filter screen in a filter mounting piece;
s2, conveying the flue gas exhausted by the gas steam boiler through the conveying pipe, conveying the high-temperature flue gas of the gas conveying connecting cylinder into the heat conducting piece, and simultaneously starting the first motor to drive the rotating shaft to rotate so as to drive the gas conveying connecting cylinder to rotate at one end of the conveying pipe, and driving the heat conducting piece to rotate by the gas conveying connecting cylinder, so that the fluidity of air entering the shell is accelerated during preheating;
s3, starting an electric push rod, driving a second sliding plate and a connecting rod to move, enabling the connecting rod to move downwards due to limiting inclination of a first sliding plate, enabling a sliding block to move downwards on the second sliding plate, enabling one end of a drainage piece to move downwards due to the connecting rod, enabling the connecting rod to move downwards to conduct inclination movement of a certain radian, enabling the drainage piece to be blocked by the limiting plate to limit the inclination angle, enabling the drainage piece to be pulled out of a shell in an inclined mode for a certain distance, enabling a sealing strip to relieve sealing of a drainage groove, and enabling water in the drainage piece to be discharged through the drainage groove.
Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the gas transmission connecting cylinder plays a role in transmitting high-temperature flue gas to the heat conducting piece, meanwhile, the gas transmission connecting cylinder rotates to drive the heat conducting piece to rotate, the heat conducting piece can be made of metal with high heat conductivity such as red copper, aluminum nitride and the like, the exhaust pipe plays a role in discharging the flue gas out of the heat conducting piece, the heat conducting piece rotates to accelerate the fluidity of air entering the shell, so that the air can be preheated better, coal in the combustion cavity can be combusted more fully, and waste heat of the flue gas can be utilized better;
(2) The connecting rod drives one end of the drainage piece to move and simultaneously downwards makes a certain radian of tilting movement, then the drainage piece is blocked by the limiting plate to limit the tilting angle, the drainage piece is obliquely pulled out of the shell for a certain distance, the sealing strip releases the sealing of the drainage groove, water in the drainage piece is discharged through the drainage groove, water in the shell can be conveniently discharged due to condensation of cold air, and corrosion of the water on the inner wall of the shell can be prevented;
(3) When the flue gas enters the shell, the ash in the flue gas is filtered through the filter screen in the filter mounting piece, and the filter mounting piece is fixed on the fixing piece through the buckle, so that the filter screen is mounted, the ash in the flue gas can be filtered, and meanwhile, the ash can be conveniently detached and cleaned;
(4) The air separates out partial water vapor therein through the air vent, and the water vapor condenses into water drops on the surface of the water vapor separating piece, and the water drops are guided into the water draining piece through the water diversion groove, so that the water vapor in the air can be further treated, and excessive water vapor is prevented from entering the combustion chamber, and the combustion of coal in the combustion chamber is prevented from being influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is an internal installation view of the housing of the present invention.
Fig. 3 is a view showing the connection of the first bevel gear and the second bevel gear according to the present invention.
Fig. 4 is a cross-sectional view of a delivery tube of the present invention.
Fig. 5 is an installation view of the heat conductive member of the present invention.
Fig. 6 is an installation view of the drain member of the present invention.
Fig. 7 is a cross-sectional view of a drain member of the present invention.
Fig. 8 is a view of the filter mount of the present invention.
Fig. 9 is an installation view of the fixing member of the present invention.
Fig. 10 is a cross-sectional view of a heat conducting member according to the present invention.
The reference numerals in the figures illustrate:
1. a housing; 2. a connection port; 3. an air inlet pipe; 4. a flue; 5. a filter frame; 6. a drain member; 7. a connecting plate; 8. a connecting rod; 9. a first sliding plate; 10. a second sliding plate; 11. a waterproof frame; 12. a slide block; 13. a sealing strip; 14. a drainage channel; 15. an electric push rod; 16. a first sealing plate; 17. a second sealing plate; 18. a limiting plate; 19. a first motor; 20. a mounting frame; 21. a rotating shaft; 22. a first bevel gear; 23. a delivery tube; 25. a second bevel gear; 26. a gas transmission connecting cylinder; 27. a mounting ring; 28. a heat conductive member; 29. a slip ring; 30. a slider; 31. a fixed rod; 32. an exhaust pipe; 33. an exhaust pipe; 34. an exhaust connection cylinder; 35. a water-vapor separation member; 36. a water diversion trench; 37. a vent hole; 38. a filter mount; 39. a buckle; 40. a filter screen; 41. a fixing member; 42. and a fixing hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2, 3, 4, 5 and 10, the invention provides a flue gas waste heat recycling device for a gas steam boiler, which comprises a housing 1, wherein a connection port 2 and an air inlet pipe 3 are respectively and fixedly arranged at two ends of the housing 1, and the flue gas waste heat recycling device comprises: the air preheating component is used for preheating the air input from the air inlet pipe 3, and improving the temperature of the input air, so that the temperature of the air is more uniformly improved, and the air enters a combustion cavity of the gas steam boiler to promote the coal in the combustion cavity to be combusted more fully; the drainage assembly is used for draining water drops separated from air in the shell 1, so that water drops condensed in the shell 1 can be more conveniently drained, and the water drops are prevented from corroding the inner wall of the shell 1; the filter component is used for filtering out soot during smoke discharge, reducing the soot from entering and adhering to the inner wall of the shell 1, and being difficult to clean and damaging the inner wall of the shell 1; the air preheating component comprises a conveying pipe 23, an air conveying connecting cylinder 26, a first motor 19, a rotating shaft 21, a first bevel gear 22, a second bevel gear 25, a heat conducting piece 28 and an exhaust connecting cylinder 34, wherein the conveying pipe 23 is fixedly arranged at the top end of the inner wall of the shell 1, the air conveying connecting cylinder 26 is rotatably arranged at one end of the conveying pipe 23, a plurality of heat conducting pieces 28 are fixedly arranged on the outer wall of the air conveying connecting cylinder 26, the exhaust connecting cylinder 34 is fixedly arranged at one side of the plurality of heat conducting pieces 28, the first motor 19 is fixedly arranged on the outer wall of the shell 1, the rotating shaft 21 is arranged at one end of the first motor 19, the rotating shaft 21 extends to the inside of the shell 1, the first bevel gear 22 is fixedly arranged at one end of the rotating shaft 21, the first bevel gear 22 is positioned in the shell 1, the second bevel gear 25 is fixedly arranged on the outer wall of the air conveying connecting cylinder 26, the second bevel gear 25 is meshed with the first bevel gear 22, a mounting ring 27 is fixedly arranged at one end of the air conveying connecting cylinder 26, the gas transmission connecting cylinder 26 is rotatably arranged at one end of the conveying pipe 23 through the mounting ring 27, the two ends of the inner wall of the shell 1 are fixedly provided with the fixing rods 31, one end of each fixing rod 31 is fixedly provided with the exhaust cylinder 32, the position of each exhaust cylinder 32 corresponds to that of each exhaust connecting cylinder 34, each exhaust connecting cylinder 34 is rotatably arranged at one end of each exhaust cylinder 32, the other end of each exhaust cylinder 32 is fixedly provided with the exhaust pipe 33, the exhaust pipe 33 extends to the outer wall of the shell 1, one side of the outer wall of the shell 1 is fixedly provided with the mounting frame 20, the first motor 19 is fixedly arranged at one side of the outer wall of the shell 1 through the mounting frame 20, the plurality of heat conducting pieces 28 are hollow metal plates, the bottom ends of the heat conducting pieces 28 are communicated with the inner wall of each exhaust connecting cylinder 34, the exhaust connecting cylinders 34 are communicated with the inner wall of each exhaust cylinder 32, the plurality of heat conducting pieces 28 are uniformly distributed on the outer wall of each exhaust connecting cylinder 34, one end of each heat conducting piece 28 is fixedly provided with the sliding piece 30, the inner wall of the shell 1 is fixedly provided with a sliding ring 29, a sliding piece 30 is slidably arranged on the inner wall of the sliding ring 29, the outer wall of the mounting ring 27 is provided with a plurality of annular grooves, one end of the inner wall of the conveying pipe 23 is fixedly provided with a plurality of annular protruding blocks, and the annular protruding blocks are clamped with the annular grooves; the conveyer pipe 23 is used for carrying gas steam boiler exhaust flue gas, the collar 27 plays the effect of installation gas-supply connecting cylinder 26, first motor 19 plays the effect of driving pivot 21 pivoted, thereby play the effect of driving first bevel gear 22 pivoted, and first bevel gear 22 meshes with second bevel gear 25, first bevel gear 22 plays the effect of driving second bevel gear 25 pivoted, make gas-supply connecting cylinder 26 rotate at conveyer pipe 23 one end, gas-supply connecting cylinder 26 plays the effect of transmitting high temperature flue gas to heat-conducting member 28, gas-supply connecting cylinder 26 rotates simultaneously and plays the effect of driving heat-conducting member 28 pivoted, heat-conducting member 28 material can be metal such as red copper, aluminium nitride high thermal conductivity, blast pipe 33 plays the effect of discharging the flue gas out heat-conducting member 28, heat-conducting member 28 rotates the mobility that accelerates entering shell 1 inside air, make the air preheat that can be better, can make the inside coal of combustion chamber obtain more abundant combustion effect, can be better utilize the waste heat of flue gas.
In this example, the flue gas may be extracted by connecting an external air extractor to one end of the exhaust pipe 33.
In some embodiments, referring to fig. 6 and 7, the drainage assembly includes a drainage member 6, a first sliding plate 9, a second sliding plate 10, a sliding block 12, a connecting rod 8, a connecting plate 7 and an electric push rod 15, wherein the drainage member 6 is slidably mounted at the bottom end of the inner wall of the housing 1, the drainage member 6 is positioned at one side of an exhaust connecting cylinder 34, a plurality of first sliding plates 9 are fixedly mounted at two sides of one end of the outer wall of the housing 1, the electric push rod 15 is fixedly mounted at one end of the inner wall of the housing 1, the output end of the electric push rod 15 extends to the outer wall of the housing 1, the second sliding plate 10 is fixedly mounted at one end of the output end of the electric push rod 15, the sliding block 12 is slidably mounted at one side of the second sliding plate 10, a plurality of connecting rods 8 are fixedly mounted at two sides of the sliding block 12, a plurality of connecting plates 7 are fixedly mounted at one side of the connecting rod 8, one end of the connecting plate 7 is L-shaped, one end of the drainage member 6 is slidably mounted at one side of the connecting plate 7, one end of the plurality of first sliding plates 9 is provided with sliding grooves, the chute is obliquely downwards distributed on the first sliding plate 9, one ends of a plurality of connecting rods 8 are all slidably mounted on the chute wall, a drainage piece 6 is a box for storing water drops, a drainage groove 14 is formed in the bottom end of the inner wall of the drainage piece 6, a sealing strip 13 is fixedly mounted at the bottom end of the inner wall of the shell 1, the sealing strip 13 is clamped with the drainage groove 14, a waterproof frame 11 is fixedly mounted at one end of the inner wall of the shell 1, an electric push rod 15 is positioned inside the waterproof frame 11, a mounting groove is formed at one end of the shell 1, the drainage piece 6 is slidably mounted on the chute wall of the mounting groove, a limiting plate 18 is fixedly mounted at one end of the inner wall of the shell 1, the limiting plate 18 is an upward-inclined metal plate, the limiting plate 18 corresponds to the mounting groove in position, the limiting plate 18 is positioned at the top end of the drainage piece 6, a second sealing plate 17 is fixedly mounted at the bottom end of the chute wall of the mounting groove, a first sealing plate 16 is fixedly mounted at one side of the inner wall of the drainage piece 6, the first sealing plate 16 and the second sealing plate 17 are engaged with each other; when cold air gets into shell 1, be heated and can form the water droplet in shell 1 inside, the water droplet falls into drainage spare 6 along shell 1 inner wall whereabouts, when the accumulation of water is too much in the drainage spare 6, electric putter 15 starts, drive second sliding plate 10 and connecting rod 8 removal, connecting rod 8 receives the spacing slope downward movement of first sliding plate 9, slider 12 moves down on second sliding plate 10 this moment, connecting rod 8 drives the tilting motion of certain radian downwards when moving drainage spare 6 one end, the angle of limiting plate 18 stops limiting the slope again to drainage spare 6, drainage spare 6 is pulled out shell 1 certain distance by the slope, sealing strip 13 releases the seal to water drainage groove 14, water in the drainage spare 6 is discharged through water drainage groove 14, can conveniently be with the inside water drainage that condenses because of cold air of shell 1, can prevent that water from causing the corruption to shell 1 inner wall.
In this example, a water level sensor may be installed on the inner wall of the drain 6 to detect the water level.
In this example, a certain space can be reserved at the connection position between the connecting plate 7 and one end of the drainage member 6, so that the connecting plate 7 can slightly shake while sliding on the drainage member 6, and the situation that the drainage member 6 is clamped on the connecting plate 7 when moving obliquely downwards is avoided.
In some embodiments, referring to fig. 8 and 9, the filter assembly includes a filter frame 5, a filter mounting member 38, a buckle 39, a filter screen 40, a fixing member 41 and a fixing hole 42, wherein the filter frame 5 is fixedly mounted at the top end of the conveying pipe 23, the filter mounting member 38 is slidably mounted on the inner wall of the filter frame 5, the filter screen 40 is fixedly mounted at the bottom end of the inner wall of the filter mounting member 38, the fixing member 41 is fixedly mounted on the inner wall of the filter frame 5, a plurality of fixing holes 42 are formed on one side of the fixing member 41, a plurality of buckles 39 are fixedly mounted on one side of the filter mounting member 38, the buckle 39 is engaged with the fixing hole 42, and the flue 4 is fixedly mounted at the top end of the filter frame 5; when flue gas gets into shell 1, filter the cigarette ash wherein through filter screen 40 in the filter mount piece 38, filter mount piece 38 is fixed on mounting 41 through buckle 39, realizes filter screen 40's installation, and in this example, buckle 39 one end is the conical fastener that heat-resisting rubber made, can filter the cigarette ash in the flue gas, conveniently dismantle the clearance cigarette ash simultaneously.
In some embodiments, referring to fig. 2, the inner wall of the casing 1 is fixedly provided with a plurality of water-vapor separation pieces 35, one end of each water-vapor separation piece 35 is provided with a plurality of vent holes 37, and one end of each water-vapor separation piece 35 is provided with a plurality of water diversion grooves 36; the air separates out partial water vapor therein through the vent hole 37, the water vapor is condensed into water drops on the surface of the water vapor separating piece 35, and the water drops are guided into the water draining piece 6 through the water diversion groove 36, so that the water vapor in the air can be further treated, and the excessive water vapor is prevented from entering the combustion chamber, so that the combustion of coal in the combustion chamber is prevented from being influenced.
The working flow and principle of the invention are as follows: when the smoke exhaust waste heat recycling device is used, smoke enters the filter frame 5 through the smoke channel 4, ash in the smoke exhaust waste heat recycling device is filtered through the filter screen 40 in the filter installation piece 38, the filter installation piece 38 is fixed on the fixing piece 41 through the buckle 39, the conveying pipe 23 conveys smoke exhausted by the gas steam boiler, the high-temperature smoke of the gas transmission connecting cylinder 26 is conveyed to the inside of the heat conducting piece 28, meanwhile, the first motor 19 starts to drive the rotating shaft 21 to rotate, thereby driving the first bevel gear 22 to rotate, the first bevel gear 22 is meshed with the second bevel gear 25, the first bevel gear 22 drives the second bevel gear 25 to rotate, the gas transmission connecting cylinder 26 rotates at one end of the conveying pipe 23, the gas transmission connecting cylinder 26 drives the heat conducting piece 28 to rotate, the air in the shell 1 is accelerated in the preheating process, water drops are formed in the shell 1 when the cold air enters the shell 1, the water drops fall into the drain piece 6 along the inner wall of the shell 1, when the water in the drain piece 6 is accumulated excessively, the electric push rod 15 is started, the second slide plate 10 and the connecting rod 8 are driven to move, the first slide plate 8 is driven to move downwards, the first slide plate 9 is driven to move downwards, the drain piece 14 is driven downwards, the drain piece is driven by the first slide plate 12 moves downwards, the drain piece is driven downwards, the drain piece is limited by the drain piece is driven to move downwards, and the drain piece 14 is limited by the drain piece is driven downwards, and the drain piece is limited by the drain piece 6, the drain piece is driven downwards to move the drain piece, the drain piece is limited by the drain bar is 13, and the drain bar is limited, the drain bar is moved downwards, and the drain bar is down is moved down is down by the drain bar is down through the water.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a gas steam boiler is with waste heat recovery utilizes device that discharges fume, includes shell (1), connector (2) and intake pipe (3) are fixed mounting respectively at shell (1) both ends, its characterized in that, this waste heat recovery utilizes device that discharges fume includes:
an air preheating assembly for preheating air inputted from the air inlet pipe (3);
the drainage assembly is used for draining water drops separated from air in the shell (1), so that water drops condensed in the shell (1) can be more conveniently drained, and the water drops are prevented from corroding the inner wall of the shell (1);
the filter component is used for filtering out soot during smoke discharge, reducing the soot from entering and adhering to the inner wall of the shell (1), and being difficult to clean and damaging the inner wall of the shell (1);
the air preheating assembly comprises a conveying pipe (23), a plurality of air conveying connecting cylinders (26), a first motor (19), a rotating shaft (21), a first bevel gear (22), a second bevel gear (25), a heat conducting piece (28) and an exhaust connecting cylinder (34), wherein the conveying pipe (23) is fixedly arranged at the top end of the inner wall of the shell (1), the air conveying connecting cylinders (26) are rotatably arranged at one end of the conveying pipe (23), a plurality of heat conducting pieces (28) are fixedly arranged at the outer wall of the air conveying connecting cylinders (26), the exhaust connecting cylinder (34) is fixedly arranged at one side of the plurality of heat conducting pieces (28), the first motor (19) is fixedly arranged at the outer wall of the shell (1), the rotating shaft (21) is arranged at one end of the first motor (19), the rotating shaft (21) extends into the interior of the shell (1), the first bevel gear (22) is fixedly arranged at one end of the rotating shaft (21), the first bevel gear (22) is positioned in the interior of the shell (1), and the second bevel gear (25) is fixedly arranged at one end of the second bevel gear (25) and is meshed with the first bevel gear (25);
the heat conducting pieces (28) are hollow metal plates, the bottom ends of the heat conducting pieces (28) are communicated with the inner wall of the exhaust connecting cylinder (34), the exhaust connecting cylinder (34) is communicated with the inner wall of the exhaust cylinder (32),
the two ends of the inner wall of the shell (1) are fixedly provided with fixing rods (31), one end of each fixing rod (31) is fixedly provided with an exhaust barrel (32), the position of each exhaust barrel (32) corresponds to that of each exhaust connecting barrel (34), each exhaust connecting barrel (34) is rotatably arranged at one end of each exhaust barrel (32), the other end of each exhaust barrel (32) is fixedly provided with an exhaust pipe (33), the exhaust pipe (33) extends to the outer wall of the shell (1),
the drainage assembly comprises a drainage piece (6), a first sliding plate (9), a second sliding plate (10), a sliding block (12), a connecting rod (8), a connecting plate (7) and an electric push rod (15), wherein the drainage piece (6) is slidably mounted at the bottom end of the inner wall of the shell (1), the drainage piece (6) is positioned at one side of an exhaust connecting cylinder (34), a plurality of the first sliding plates (9) are fixedly mounted at two sides of one end of the outer wall of the shell (1), the electric push rod (15) is fixedly mounted at one end of the inner wall of the shell (1), the output end of the electric push rod (15) extends to one end of the output end of the shell (1), the sliding block (12) is slidably mounted at one side of the second sliding plate (10), a plurality of connecting rods (8) are fixedly mounted at two sides of the sliding block (12), and a plurality of connecting plates (7) are fixedly mounted at one side of the connecting rods (8);
the connecting plates (7) are L-shaped, one ends of the drainage pieces (6) are slidably arranged on one side of the connecting plates (7), a plurality of sliding grooves are formed in one ends of the first sliding plates (9), the sliding grooves are obliquely downwards distributed on the first sliding plates (9), and one ends of the connecting rods (8) are slidably arranged on the groove walls of the sliding grooves;
the water draining part (6) is a box for storing water drops, a water draining groove (14) is formed in the bottom end of the inner wall of the water draining part (6), a sealing strip (13) is fixedly arranged at the bottom end of the inner wall of the shell (1), the sealing strip (13) is clamped with the water draining groove (14), a waterproof frame (11) is fixedly arranged at one end of the inner wall of the shell (1), and the electric push rod (15) is positioned in the waterproof frame (11);
the novel water draining device comprises a shell (1), wherein an installation groove is formed in one end of the shell (1), a water draining piece (6) is slidably installed on the wall of the installation groove, a limiting plate (18) is fixedly installed at one end of the inner wall of the shell (1), the limiting plate (18) is an upward-inclined metal plate, the limiting plate (18) corresponds to the installation groove in position, the limiting plate (18) is located at the top end of the water draining piece (6), a second sealing plate (17) is fixedly installed at the bottom end of the wall of the installation groove, a first sealing plate (16) is fixedly installed on one side of the inner wall of the water draining piece (6), and the first sealing plate (16) is clamped with the second sealing plate (17);
the filter assembly comprises a filter frame (5), a filter mounting piece (38), a buckle (39), a filter screen (40), a fixing piece (41) and a fixing hole (42), wherein the filter frame (5) is fixedly mounted on the top end of the conveying pipe (23), the filter mounting piece (38) is slidably mounted on the inner wall of the filter frame (5), the filter screen (40) is fixedly mounted at the bottom end of the inner wall of the filter mounting piece (38), the fixing piece (41) is fixedly mounted on the inner wall of the filter frame (5), a plurality of fixing holes (42) are formed in one side of the fixing piece (41), a plurality of buckle (39) are fixedly mounted on one side of the filter mounting piece (38), the buckle (39) is clamped with the fixing hole (42), and a flue (4) is fixedly mounted at the top end of the filter frame (5).
2. The flue gas waste heat recovery and utilization device for a gas steam boiler according to claim 1, wherein: the gas transmission connecting cylinder (26) one end fixed mounting has collar (27), gas transmission connecting cylinder (26) pass through collar (27) rotate install in conveyer pipe (23) one end, shell (1) outer wall one side fixed mounting has installing frame (20), first motor (19) pass through installing frame (20) fixed mounting in shell (1) outer wall one side.
3. The flue gas waste heat recovery and utilization device for a gas steam boiler according to claim 2, wherein: the heat conducting pieces (28) are uniformly distributed on the outer wall of the exhaust connecting cylinder (34), the sliding pieces (30) are fixedly installed at one end of the heat conducting pieces (28), the sliding ring (29) is fixedly installed on the inner wall of the shell (1), the sliding pieces (30) are slidably installed on the inner wall of the sliding ring (29), a plurality of annular grooves are formed in the outer wall of the mounting ring (27), a plurality of annular protruding blocks are fixedly installed at one end of the inner wall of the conveying pipe (23), and the annular protruding blocks are clamped with the annular grooves.
4. The flue gas waste heat recovery and utilization device for a gas steam boiler according to claim 1, wherein: the water-vapor separation device is characterized in that a plurality of water-vapor separation pieces (35) are fixedly arranged on the inner wall of the shell (1), a plurality of vent holes (37) are formed in one end of each water-vapor separation piece (35), and a plurality of water diversion grooves (36) are formed in one end of each water-vapor separation piece (35).
5. The method for utilizing the exhaust gas waste heat recovery and utilization device for the gas steam boiler according to claim 1, comprising the following steps of;
s1, enabling flue gas to enter a filter frame (5) through a flue (4), and filtering soot in the flue gas through a filter screen (40) in a filter mounting piece (38);
s2, conveying smoke exhausted by a gas steam boiler through a conveying pipe (23), conveying the smoke at high temperature of a gas conveying connecting cylinder (26) into a heat conducting piece (28), and starting a first motor (19) to drive a rotating shaft (21) to rotate so as to drive the gas conveying connecting cylinder (26) to rotate at one end of the conveying pipe (23), and driving the heat conducting piece (28) to rotate by the gas conveying connecting cylinder (26), so that the fluidity of air entering the shell (1) is accelerated during preheating;
s3, electric putter (15) starts, drive second sliding plate (10) and connecting rod (8) and remove, connecting rod (8) receive the spacing slope downward movement of first sliding plate (9), slider (12) are at the upward downward movement of second sliding plate (10) this moment, and connecting rod (8) drive drain (6) one end and remove and do the tilting motion of certain radian downwards, drain (6) are stopped by limiting plate (18) and are limited the angle of slope again, drain (6) are pulled out shell (1) certain distance by the slope, sealing strip (13) are released the seal to water drainage tank (14), water in drain (6) is discharged through water drainage tank (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210627291.1A CN115234933B (en) | 2022-06-06 | 2022-06-06 | Smoke exhaust waste heat recycling device for gas steam boiler and utilization method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210627291.1A CN115234933B (en) | 2022-06-06 | 2022-06-06 | Smoke exhaust waste heat recycling device for gas steam boiler and utilization method thereof |
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| CN116358331B (en) * | 2023-03-21 | 2023-10-03 | 江苏瑞鼎环境工程有限公司 | Deep recovery system and recovery method for exhaust gas waste heat of gas steam boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4295519A (en) * | 1979-11-13 | 1981-10-20 | Leslie Bellaff | Heat reclaimer |
| US20100313827A1 (en) * | 2009-06-11 | 2010-12-16 | Burnham Services, Inc. | High-Efficiency Gas-Fired Forced-Draft Condensing Hot Water Boiler |
| CN101793434B (en) * | 2010-02-02 | 2011-09-28 | 安阳方快锅炉有限公司 | Integrated flue gas condensing waste heat recovery boiler |
| CN104613490B (en) * | 2015-02-17 | 2017-05-24 | 杭州萧越热电有限公司 | Pulverized coal preheater |
| CN210602904U (en) * | 2019-07-18 | 2020-05-22 | 济南美联同创能源科技有限公司 | High-efficient flue heat exchanger of ability deashing |
| CN211424447U (en) * | 2019-10-31 | 2020-09-04 | 杭州中景科技有限公司 | Forced self-smoke-discharging compact preheater |
| CN211739156U (en) * | 2019-12-20 | 2020-10-23 | 江西江右净达热能科技有限公司 | Energy-concerving and environment-protective boiler flue gas waste heat recovery utilizes device |
| CN212205696U (en) * | 2020-04-24 | 2020-12-22 | 苏州顺惠有色金属制品有限公司 | Low-temperature flue gas waste heat recovery and purification system of roasting furnace |
| CN113532157A (en) * | 2020-10-27 | 2021-10-22 | 江苏布林克曼节能科技有限公司 | Novel pipeline type fin spiral-flow heat exchanger |
| CN113819483B (en) * | 2021-09-18 | 2022-11-01 | 华能曲阜热电有限公司 | Corrosion-resistant air preheater capable of retarding dust deposition |
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