CN105972628B - A kind of chimney waste heat recovery system - Google Patents
A kind of chimney waste heat recovery system Download PDFInfo
- Publication number
- CN105972628B CN105972628B CN201610360524.0A CN201610360524A CN105972628B CN 105972628 B CN105972628 B CN 105972628B CN 201610360524 A CN201610360524 A CN 201610360524A CN 105972628 B CN105972628 B CN 105972628B
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- Prior art keywords
- pipe
- flue gas
- heat
- waste
- smoke
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a kind of chimney waste heat recovery systems,Including chimney body,Flue gas baffle-box,First water tank,Second water tank,Waste-heat recoverer and heat exchanger,Flue gas baffle-box is communicated at the top of the chimney body,It is communicated with smoke-intake pipe at the top of the flue gas baffle-box,The smoke-intake pipe is equipped with smoke filter,The one end of the smoke-intake pipe far from flue gas baffle-box is connected to the scattered smoke pipe being located inside waste-heat recoverer,The chimney waste heat recovery system,The heat recovery effect to chimney exhaust gas is reached,The setting of flue gas baffle-box,When to heat recovery in flue gas,Play the effect of buffering,Avoid the excessive problem for causing heat recovery insufficient of flue gas flow rate,Improve heat recovery rate,The setting of buffer bar,When buffer board is under pressure,Buffer bar can be into row buffering,Upper bush,Lower sleeve,Under the cooperation of damping spring and connecting pole,It improves to the good effect of the buffering of flue gas.
Description
Technical field
The present invention relates to heat power equipment technical field, specially a kind of chimney waste heat recovery system.
Background technology
It is energy saving with it is environmentally friendly be not only social responsibility for enterprise, fuel cost expenditure can also be saved, improved economical
Benefit is enhanced one's market competitiveness and is compared with developed country, China's industrial equipment fall behind, energy utilization rate is low, as chemical industry, building materials,
The industries such as weaving, machinery, automobile, metallurgy, power, papermaking, food, electronics, are largely directly arranged using thermal energy in production
Sky not only waste of energy but also had polluted environment, if the heat energy recycle that this part is wasted, so that it may to improve energy utilization rate,
Reduce production cost, environmental protection.
In existing heat power station, heating plant, the waste heat of discharge gas how is utilized, it has also become energy-saving and emission-reduction are protected
The important topic of environment, currently, the enterprises such as cigar mill, steam power plant, chemical plant or steel mill can all generate greatly in process of production
The high-temperature flue gas of amount, such flue gas include mainly：Technique dries, steams steam used；Combustion furnace etc. passes through waste heat tail after cooling
Gas, these flue gases carry a large amount of thermal energy, if being directly discharged from chimney, not only result in thermal pollution, aggravate greenhouse effects, and with
Dispersed heat will also result in wasting for resource, so for the heat recovery in flue gas be it is current be badly in need of solving ask
Topic.
Invention content
The purpose of the present invention is to provide a kind of chimney waste heat recovery systems, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of chimney waste heat recovery system, including chimney sheet
Body, flue gas baffle-box, the first water tank, the second water tank, waste-heat recoverer and heat exchanger are communicated at the top of the chimney body
Flue gas baffle-box, is communicated with smoke-intake pipe at the top of the flue gas baffle-box, and the smoke-intake pipe is equipped with smoke filter, it is described into
The one end of smoke pipe far from flue gas baffle-box is connected to the scattered smoke pipe being located inside waste-heat recoverer, and the bottom of the scattered smoke pipe is equipped with
Flue gas nozzle, the waste-heat recoverer are internally provided with strut, are surround on the strut and be equipped with heat conducting pipe, and the one of the heat conducting pipe
End is connected with the first water inlet pipe, and the other end of the heat conducting pipe is communicated with the second water inlet pipe, the other end of first water inlet pipe
It is connected to through waste-heat recoverer and with the first water tank, first water tank is internally provided with the first water pump, first water pump
Water inlet is connected to the first water inlet pipe.
The intracavity bottom of the waste-heat recoverer is equipped with lower carrier plate, and the top of the lower carrier plate is equipped with buffer spring, institute
It states and is fixedly connected with upper supporting plate at the top of buffer spring, waste-heat recoverer is run through in the described one end of second water inlet pipe far from heat conducting pipe
And be connected to heat exchanger, the heat exchanger is internally provided with heat exchanger tube, the both ends of the heat exchanger tube be separately connected third into
Water pipe and outlet pipe, the other end of the third water inlet pipe are connected to the water outlet for the second water pump being arranged in the second water tank, institute
The outside that the one end of outlet pipe far from heat exchanger tube extends to heat exchanger is stated, the bottom of the heat exchanger is communicated with return pipe,
And the one end of return pipe far from heat exchanger is connected with third water pump, the water inlet of the third water pump passes through pipeline and the first water
Case is connected to.
Preferably, the both sides inner wall of the flue gas baffle-box is connected with buffer board, and the buffer board is buffered with flue gas
It is fixedly connected by buffer bar between chamber interior wall.
Preferably, the buffer bar includes upper bush and lower sleeve, passes through connecting pole between the upper bush and lower sleeve
It connects, around damping spring is equipped on the connecting pole, one end of the damping spring is fixedly connected with upper bush, and damping bullet
The other end of spring is fixedly connected with lower sleeve.
Preferably, the top of the upper bush is fixedly connected with the inner wall of flue gas baffle-box, the bottom of the lower sleeve with
Buffer board is fixedly connected.
Preferably, the smoke filter pressure is 2bar, 6bar, 10bar, 16bar, 25bar, 40bar therein one
It is a.
Preferably, valve, and valve are both provided on first water inlet pipe, the second water inlet pipe, outlet pipe and return pipe
Model, size it is identical with function.
Preferably, the heat conducting pipe is spiral heat conducting pipe.
Preferably, the bottom side of the waste-heat recoverer is communicated with smoke discharge pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）, the chimney waste heat recovery system, reached the heat recovery effect to chimney exhaust gas, flue gas baffle-box is set
It sets, when to heat recovery in flue gas, plays the effect of buffering, avoid that flue gas flow rate is excessive to cause heat recovery not filled
Point the problem of, improve heat recovery rate, the setting of buffer bar, when buffer board is under pressure, buffer bar can into row buffering, on
Sleeve, lower sleeve, damping spring and connecting pole cooperation under, improve to the good effect of the buffering of flue gas；
（2）, the chimney waste heat recovery system, the setting of smoke filter can adsorb the harmful substance in flue gas,
Thermal pollution caused by avoiding flue gas direct emission, and protect the health of people；
（3）, the chimney waste heat recovery system, the setting of waste-heat recoverer, flue gas by smoke-intake pipe enter dissipate smoke pipe in,
Under the action of heat conducting pipe, heat conducting pipe heat absorption, and the water delivery in heat conducting pipe of the first water pump in the first water tank is heated, and is reached
To the absorption of thermal energy, the setting of lower carrier plate, buffer spring and upper supporting plate can when flue gas enters in waste-heat recoverer
Flue gas to rebound, guarantee fully absorbs thermal energy；
（4）, the chimney waste heat recovery system, the improvement of heat exchanger improves the exchange effect to thermal energy, the second water tank
Interior water enters through the second water pump and enters third water inlet pipe, and the water for collecting heat out of waste-heat recoverer is coordinated to carry out hot friendship
It changes, entering from outlet pipe needs place to be used, has achieved the effect that Waste Heat Recovery, has improved the utilization rate of the energy；
（5）, the chimney waste heat recovery system, the setting of third water pump can be by the water of heat exchange in heat exchanger again
It sends the first water tank back to, improves the utilization rate of water.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the structural schematic diagram of flue gas baffle-box of the present invention.
Fig. 3 is the structural schematic diagram of buffer bar of the present invention.
Fig. 4 is the structural schematic diagram of waste-heat recoverer of the present invention.
Fig. 5 is the structural schematic diagram of present heat exchanger.
In figure：1 chimney body, 2 flue gas baffle-boxs, 3 first water tanks, 4 second water tanks, 5 waste-heat recoverers, 6 heat exchangers,
7 smoke-intake pipes, 8 smoke filters, 9 scattered smoke pipes, 10 flue gas nozzles, 11 struts, 12 heat conducting pipes, 13 first water inlet pipes, 14 second into
Water pipe, 15 first water pumps, 16 lower carrier plates, 17 buffer springs, 18 upper supporting plates, 19 heat exchanger tubes, 20 third water inlet pipes, 21 outlet pipes,
22 second water pumps, 23 return pipes, 24 third water pumps, 25 buffer bars, 251 upper bushes, 252 lower sleeves, 253 damping springs, 254 connect
Connect column.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of chimney waste heat recovery system, including chimney body
1, flue gas baffle-box 2, the first water tank 3, the second water tank 4, waste-heat recoverer 5 and heat exchanger 6, the top connection of chimney body 1
There is flue gas baffle-box 2, chimney body 1 is located to be connected to furnace body, facilitates furnace body to discharge fume, the both sides inner wall of flue gas baffle-box 2
Be connected with buffer board, buffer board is used for buffering the admission velocity of flue gas, between 2 inner wall of buffer board and flue gas baffle-box there are
Angle, angle are 30 degree, and are fixedly connected by buffer bar 25 between buffer board and 2 inner wall of flue gas baffle-box, and buffer bar is slow
For the angle of punching between 30 degree and 40 degree, buffer bar 25 includes upper bush 251 and lower sleeve 252, upper bush 251 and is trapped
It is connected by connecting pole 254 between cylinder 252, around damping spring 253 is equipped on connecting pole 254, damping spring 253 plays damping
Effect, one end of damping spring 253 is fixedly connected with upper bush 251, and the other end of damping spring 253 and lower sleeve 252
It is fixedly connected, the top of upper bush 251 is fixedly connected with the inner wall of flue gas baffle-box 2, and the bottom of lower sleeve 252 and buffer board are solid
The top of fixed connection, flue gas baffle-box 2 is communicated with smoke-intake pipe 7, and smoke-intake pipe 7 is equipped with smoke filter 8, and smoke filter 8 is pressed
Power be 2bar, 6bar, 10bar, 16bar, 25bar, 40bar one of those, the one end of smoke-intake pipe 7 far from flue gas baffle-box 2
It is connected to the scattered smoke pipe 9 being located inside waste-heat recoverer 5, the bottom side of waste-heat recoverer 5 is communicated with smoke discharge pipe, flue gas
The flue gas that delivery pipe crosses heat recovery is discharged, and the bottom for dissipating smoke pipe 9 is equipped with flue gas nozzle 10, dissipates smoke pipe 9 and is used for disperseing flue gas,
Convenient for being sprayed from flue gas nozzle 10, waste-heat recoverer 5 is internally provided with strut 11, is surround on strut 11 and is equipped with heat conducting pipe 12, led
Heat pipe 12 is spiral heat conducting pipe, and spiral heat conducting pipe is convenient for the absorption of heat, increases the contact area with flue gas, heat conducting pipe 12
One end be connected with the first water inlet pipe 13, the other end of heat conducting pipe 12 is communicated with the second water inlet pipe 14, the first water inlet pipe 13 it is another
One end is connected to through waste-heat recoverer 5 and with the first water tank 3, and the first water tank 3 is internally provided with the first water pump 15, the first water pump 15
Water inlet be connected to the first water inlet pipe 13, be all provided on the first water inlet pipe 13, the second water inlet pipe 14, outlet pipe 21 and return pipe 23
It is equipped with valve, and the model of valve, size are identical with function.
The intracavity bottom of waste-heat recoverer 5 is equipped with lower carrier plate 16, and the top of lower carrier plate 16 is equipped with buffer spring 17, buffering
The top of spring 17 is fixedly connected with upper supporting plate 18, and waste-heat recoverer 5 is run through in second one end of water inlet pipe 14 far from heat conducting pipe 12
And be connected to heat exchanger 6, heat exchanger 6 is internally provided with heat exchanger tube 19, and the both ends of heat exchanger tube 19 are separately connected third water inlet
The water outlet for the second water pump 22 being arranged in pipe 20 and outlet pipe 21, the other end of third water inlet pipe 20 and the second water tank 4 is connected to,
The one end of outlet pipe 21 far from heat exchanger tube 19 extends to the outside of heat exchanger 6, and the bottom of heat exchanger 6 is communicated with return pipe
23, and the one end of return pipe 23 far from heat exchanger 6 is connected with third water pump 24, the setting of third water pump 24 can be by heat exchange
The water of heat exchange sends the first water tank 3 back to again in device 6, improves the utilization rate of water, and the water inlet of third water pump 24 passes through pipeline
It is connected to the first water tank 3.
The setting of flue gas baffle-box 2 plays the effect of buffering, avoids flue gas when to heat recovery in flue gas
The excessive problem for causing heat recovery insufficient of flow velocity, improves heat recovery rate, the setting of buffer bar 25, when buffer board by
When pressure, buffer bar 25 can into row buffering, upper bush 251, lower sleeve 252, damping spring 253 and connecting pole 254 cooperation under,
It improves to the good effect of the buffering of flue gas.
The setting of smoke filter 8 can adsorb the harmful substance in flue gas, avoid flue gas direct emission and cause
Thermal pollution, and protect the health of people.
The setting of waste-heat recoverer 5, flue gas is entered by smoke-intake pipe 7 to be dissipated in smoke pipe 9, under the action of heat conducting pipe 12, is led
Heat pipe 12 absorbs heat, and the water delivery in heat conducting pipe 12 of the first water pump 15 in the first water tank 3 is heated, and has been reached to thermal energy
Absorption, the setting of lower carrier plate 16, buffer spring 17 and upper supporting plate 18 can be incited somebody to action when flue gas enters in waste-heat recoverer 5
Flue gas rebounds, and guarantee fully absorbs thermal energy.
The improvement of heat exchanger 6, improves the exchange effect to thermal energy, and the water in the second water tank 4 enters through the second water
Pump 22 enters third water inlet pipe 20, coordinates the water for collecting heat out of waste-heat recoverer 5 to carry out heat exchange, enters from outlet pipe 21
Place to be used is needed, has achieved the effect that Waste Heat Recovery, has improved the utilization rate of the energy.
When work, the flue gas in chimney is introduced into flue gas baffle-box 2 into row buffering, and the too fast influence heat of air-flow is avoided to return
The efficiency of receipts, flue gas subsequently enter smoke filter 8 and further filter, and filtered gas enters in waste-heat recoverer 5, simultaneously
The valve of the first water inlet pipe 13 is opened, the first water pump 15 draws water out of first water tank 3, and water is heated by heat conducting pipe 12, cigarette
Gas returns to heat conducting pipe 12 under the action of upper supporting plate 18 and carries out heat conduction, the valve on the second water inlet pipe 14 is opened, after heating
Water body from the second water inlet pipe 14 enter heat exchanger 6 in, and flue gas from smoke discharge pipe be discharged.
Then the second water pump 22 in the second water tank 4 carries out water delivery, the water into heat exchanger 6 and heat exchange toward heat exchanger tube 19
Pipe 19 contacts, and achievees the effect that heat exchange, closes the valve on the second water inlet pipe 14, opens simultaneously the valve on outlet pipe 21,
Hot water can be sent to place to use.
The valve on return pipe 23 is opened, third water pump 24 sends the water of heat exchange in the first water tank 3 back to again.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of chimney waste heat recovery system, including chimney body（1）, flue gas baffle-box（2）, the first water tank（3）, the second water tank
（4）, waste-heat recoverer（5）And heat exchanger（6）, the chimney body（1）Top be communicated with flue gas baffle-box（2）, special
Sign is：The flue gas baffle-box（2）Top be communicated with smoke-intake pipe（7）, the smoke-intake pipe（7）It is equipped with smoke filter
（8）, the smoke-intake pipe（7）Far from flue gas baffle-box（2）One end and be located at waste-heat recoverer（5）Internal scattered smoke pipe（9）Even
It is logical, the scattered smoke pipe（9）Bottom be equipped with flue gas nozzle（10）, the waste-heat recoverer（5）Be internally provided with strut（11）, institute
State strut（11）Upper surround is equipped with heat conducting pipe（12）, the heat conducting pipe（12）One end be connected with the first water inlet pipe（13）, described
Heat conducting pipe（12）The other end be communicated with the second water inlet pipe（14）, first water inlet pipe（13）The other end run through waste heat recovery
Device（5）And with the first water tank（3）Connection, first water tank（3）Be internally provided with the first water pump（15）, first water pump
（15）Water inlet and the first water inlet pipe（13）Connection；The waste-heat recoverer（5）Intracavity bottom lower carrier plate is installed（16）,
The lower carrier plate（16）Top be equipped with buffer spring（17）, the buffer spring（17）Top be fixedly connected with upper supporting plate
（18）, second water inlet pipe（14）Far from heat conducting pipe（12）One end run through waste-heat recoverer（5）And and heat exchanger（6）Even
It is logical, the heat exchanger（6）Be internally provided with heat exchanger tube（19）, the heat exchanger tube（19）Both ends be separately connected third water inlet pipe
（20）And outlet pipe（21）, the third water inlet pipe（20）The other end and the second water tank（4）Second water pump of interior setting（22）
Water outlet connection, the outlet pipe（21）Far from heat exchanger tube（19）One end extend to heat exchanger（6）Outside, the heat
Exchanger（6）Bottom be communicated with return pipe（23）, and return pipe（23）Far from heat exchanger（6）One end be connected with third water
Pump（24）, the third water pump（24）Water outlet pass through pipeline and the first water tank（3）Connection.
2. a kind of chimney waste heat recovery system according to claim 1, it is characterised in that：The flue gas baffle-box（2）'s
Both sides inner wall is connected with buffer board, and buffer board and flue gas baffle-box（2）Pass through buffer bar between inner wall（25）It is fixed to connect
It connects.
3. a kind of chimney waste heat recovery system according to claim 2, it is characterised in that：The buffer bar（25）Including upper
Sleeve（251）And lower sleeve（252）, the upper bush（251）And lower sleeve（252）Between pass through connecting pole（254）Connection, institute
State connecting pole（254）Upper surround is equipped with damping spring（253）, the damping spring（253）One end and upper bush（251）It is fixed
Connection, and damping spring（253）The other end and lower sleeve（252）It is fixedly connected.
4. a kind of chimney waste heat recovery system according to claim 3, it is characterised in that：The upper bush（251）Top
Portion and flue gas baffle-box（2）Inner wall be fixedly connected, the lower sleeve（252）Bottom be fixedly connected with buffer board.
5. a kind of chimney waste heat recovery system according to claim 1, it is characterised in that：The smoke filter（8）Pressure
Power be 2bar, 6bar, 10bar, 16bar, 25bar, 40bar one of those.
6. a kind of chimney waste heat recovery system according to claim 1, it is characterised in that：First water inlet pipe（13）、
Second water inlet pipe（14）, outlet pipe（21）And return pipe（23）On be both provided with valve, and the model of valve, size and function phase
Together.
7. a kind of chimney waste heat recovery system according to claim 1, it is characterised in that：The heat conducting pipe（12）For spiral
Formula heat conducting pipe.
8. a kind of chimney waste heat recovery system according to claim 1, it is characterised in that：The waste-heat recoverer（5）'s
Bottom side is communicated with smoke discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360524.0A CN105972628B (en) | 2016-05-28 | 2016-05-28 | A kind of chimney waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360524.0A CN105972628B (en) | 2016-05-28 | 2016-05-28 | A kind of chimney waste heat recovery system |
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| Publication Number | Publication Date |
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| CN105972628A CN105972628A (en) | 2016-09-28 |
| CN105972628B true CN105972628B (en) | 2018-07-13 |
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ID=56956590
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| CN201610360524.0A Active CN105972628B (en) | 2016-05-28 | 2016-05-28 | A kind of chimney waste heat recovery system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449642B (en) * | 2019-07-05 | 2020-11-17 | 高邮市永发机械有限公司 | Numerical control milling machine with heat recovery device |
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| KR100778062B1 (en) * | 2006-08-31 | 2007-11-21 | 김건표 | Apparatus and method for removing smoke for charcoal oven |
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| CN105972628A (en) | 2016-09-28 |
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