CN111076178A - Self-combustion type domestic garbage cracking furnace - Google Patents
Self-combustion type domestic garbage cracking furnace Download PDFInfo
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- CN111076178A CN111076178A CN201811216802.0A CN201811216802A CN111076178A CN 111076178 A CN111076178 A CN 111076178A CN 201811216802 A CN201811216802 A CN 201811216802A CN 111076178 A CN111076178 A CN 111076178A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 45
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003546 flue gas Substances 0.000 claims abstract description 44
- 238000005507 spraying Methods 0.000 claims abstract description 34
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 31
- 230000023556 desulfurization Effects 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 238000000197 pyrolysis Methods 0.000 claims abstract description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims description 17
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a self-combustion type household garbage cracking furnace, which relates to the technical field of household garbage treatment equipment and comprises a cracking furnace main body, wherein a high-pressure spraying system is arranged on one side of the cracking furnace main body, a high-pressure desulfurization neutralizer is arranged on one side of the high-pressure spraying system, which is far away from the cracking furnace main body, a liquid-gas separation system is arranged on one side of the high-pressure desulfurization neutralizer, which is far away from the cracking furnace main body, a fine filtration system is arranged on one side of the liquid-gas separation system, which is far away from the cracking furnace main body, and a water circulation system is sequentially embedded among the cracking furnace main body, the high-pressure spraying system, the high-pressure desulfurization neutralizer, the liquid-gas separation system and the fine filtration. Through letting the interior temperature of stove rise gradually, utilize control oxygen input volume to adjust the interior speed of stove, realize the constancy that lasts of stove interior temperature, utilize heat circulation in the stove, bake the effect that reaches rubbish in the pyrolysis furnace through high temperature, adopt the essence system of straining, the flue gas that will flow through is fully filtered, makes the flue gas discharge to reach standard.
Description
Technical Field
The invention relates to the technical field of household garbage treatment equipment, in particular to a self-combustion household garbage cracking furnace.
Background
The incineration, landfill and composting of the household garbage are the main modes of garbage treatment, and the incineration is the most important method for saving space cost, but in order to reduce environmental pollution, the household garbage is not directly incinerated basically, but is cracked by a thermal cracking furnace to be decomposed into combustible gas and carbide.
Most of the existing garbage disposal equipment adopts two modes, one mode is high-temperature incineration equipment. The other is high-pressure high-temperature treatment equipment, the volume and the weight of the high-temperature incineration equipment are smaller, and the treated garbage is obviously damaged; is suitable for a plurality of waste types and large-scale application; the high-pressure steam sterilization equipment has the advantages of good sterilization and pollutant removal effects, high construction and operation costs, high energy consumption, poor equipment sealing and serious air pollution, and is easy to generate harmful gases such as dioxin and the like when the equipment is used for garbage treatment.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a self-combustion type domestic garbage cracking furnace, which solves the problems of unstable cracking temperature and great environmental pollution caused by discharged gas.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a self-combustion formula domestic waste pyrolysis furnace, includes the pyrolysis furnace main part, one side of pyrolysis furnace main part is equipped with high-pressure spraying system, one side that pyrolysis furnace main part was kept away from to high-pressure spraying system is equipped with high-pressure desulfurization neutralizer, one side that pyrolysis furnace main part was kept away from to high-pressure desulfurization neutralizer is equipped with liquid-gas separation system, one side that pyrolysis furnace main part was kept away from to liquid-gas separation system is equipped with the essence system of straining, the gomphosis has water circulation system in proper order between pyrolysis furnace main part, high-pressure spraying system, the high-pressure desulfurization neutralizer, liquid-gas separation system and the essence system of straining.
Preferably, the cracking furnace main part includes the grit bed course, the top surface both sides of grit bed course are equipped with the support pad foot, the vertical brick-concrete knee wall that is equipped with in top of support pad foot, the top of brick-concrete knee wall is equipped with the concrete transition layer, the top of concrete transition layer is equipped with main refractory wall, the top of main refractory wall is equipped with terminal pad foot, the top gomphosis of terminal pad foot has built-in absorption filter layer, the middle part of grit bed course is vertical to be equipped with main oxygen inlet device, the top middle part gomphosis of main oxygen inlet device has built-in clarifier, main business turn over door has been seted up to one side of main refractory wall.
Preferably, the high-pressure spraying system comprises a high-pressure shell, two main spraying heads and a mounting bracket, the maximum bearing pressure of the high-pressure shell is not lower than two megapascals, the number of the main spraying heads is two, and the two main spraying heads are uniformly mounted on two sides of the top surface of the inner cavity of the high-pressure shell.
Preferably, the liquid-gas separation system comprises a working shell and a conical separation disc, the conical separation disc is arranged in the middle of an inner cavity of the working shell, the surface of the conical separation disc is provided with a clockwise bulge, and the surface of the conical separation disc is provided with a one-way permeable membrane for water.
Preferably, the fine filtration system comprises a flue gas condenser pipe and an active adsorption plate, the flue gas condenser pipe is embedded in the center of the active adsorption plate, the contact edge of each active adsorption plate of the flue gas condenser pipe is provided with a bolt for limiting, and the active adsorption plate is uniformly distributed on the axis of the flue gas condenser pipe.
Preferably, water circulating system includes the flue gas delivery pipe, the tip of flue gas delivery pipe is equipped with supplementary flue gas pipe cap, be equipped with the flue gas input tube between pyrolysis furnace main part and the high-pressure spraying system, be equipped with the preliminary treatment output tube between high-pressure spraying system and the high-pressure desulfurization neutralizer, be equipped with middle transition pipe between liquid-gas separation system and the high-pressure desulfurization neutralizer.
Preferably, the cracking furnace main body, the high-pressure spraying system, the high-pressure desulfurization neutralizer, the liquid-gas separation system and the fine filtration system are installed in a forward extending manner, the water circulation systems are all arranged among the cracking furnace main body, the high-pressure spraying system, the high-pressure desulfurization neutralizer, the liquid-gas separation system and the fine filtration system in the forward extending direction, and the input end of each water circulation system is lower than the output end of each water circulation system.
The working principle is as follows:
the first step is as follows: harmful gas produced by a cracking furnace main body enters a high-pressure spiral spraying device through a flue gas pipeline, is impacted by water flow sprayed by a high-pressure spray head when the harmful gas rises to the horizontal plane of the high-pressure spray head and is rotationally compressed to the bottom of a container, the operation is repeated, submicron-sized particles in the flue gas are repeatedly washed away, and the residual harmful gas enters a next purifier device, namely a high-pressure desulfurization neutralizer through the flue gas pipeline;
the second step is that: after the harmful gas is treated by the high-pressure spray device in the previous step, the harmful gas enters a high-pressure desulfurization neutralizer through a flue gas input pipe for high-pressure desulfurization, a double-vortex washing desulfurization technology is adopted, the desulfurization efficiency can reach 80%, and then the residual harmful gas enters the next purifier device through a pipeline;
the third step: the gas treated in the last step is input into a liquid-gas separation system through a pretreatment output pipe, a black water mist mixture enters the liquid-gas separation system through a pipeline, a conical separation disc is arranged in the liquid-gas separation system, the mixed gas is tightly attached to the inner wall after the water mist mixture enters a device, the conical separation disc is driven to carry out high-pressure rotary separation, liquid-gas separation is carried out according to the principle of low inlet and high outlet, water and harmful substances are separated out, and the separated flue gas is discharged to enter the next device;
the fourth step: harmful substances enter a fine filtration system through a pipeline; carry out the condensation to the flue gas through the inside flue gas condenser pipe of clarifier and further germicidal treatment to the flue gas through high-voltage electric field and ozone sterilization system in the essence filtration system, active carbon, active aluminium etc. that active adsorption plate adopted simultaneously further adsorb the hazardous substances in the flue gas, and the flue gas discharges through the chimney, inspects through the center of inspection, finally outside through flue gas discharge pipe output device, restricts the flow direction of flue gas through supplementary cigarette pipe cap simultaneously.
(III) advantageous effects
The invention provides a self-combustion type domestic garbage cracking furnace. The method has the following beneficial effects:
1. the invention realizes the continuous constancy of the temperature in the furnace by gradually increasing the temperature in the furnace and regulating the speed in the furnace by controlling the oxygen input amount.
2. The invention achieves the effect of cracking the garbage in the furnace by utilizing the heat circulation in the furnace and high-temperature baking, and dilutes the harmful gas discharged by the garbage by utilizing the water vapor generated by the moisture of the garbage so as to lead the harmful gas to reach the standard and be discharged.
3. The invention adopts a fine filtration system, the smoke which flows through the system is firstly uniformly dispersed and enters a condenser for rapid cooling, and the negative ions generated by a high-voltage electric field are used for high-strength adsorption, and active substances are utilized for full filtration, so that the smoke can reach the standard and be discharged.
4. The invention realizes the high-efficiency neutralization treatment of the flue gas by arranging the high-pressure desulfurization neutralization system and the liquid-gas separation system,
5. the liquid-gas separation system adopted by the invention realizes the isolation and floating of light water vapor and the reduction of heavy substances by utilizing the difference in density, so that the flue gas continuously enters a next system.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the structure of a cracking furnace according to the present invention;
FIG. 3 is an internal structure view of the high pressure spray assembly of the present invention;
FIG. 4 is an internal structure view of the liquid-gas separation module according to the present invention;
FIG. 5 is a view showing the internal structure of the fine filtration system of the present invention;
FIG. 6 is a process flow diagram of the present invention.
Wherein, 1, cracking furnace main body; 101. a sandstone cushion layer; 102. supporting the foot pad; 103. brick-concrete support walls; 104. a concrete transition layer; 105. a primary refractory wall; 106. a tail end foot pad; 107. an adsorption filter layer is arranged inside; 108. a purifier is arranged inside; 109. a main access door; 110. a primary oxygen intake device; 2. a high pressure spray system; 201. a high pressure housing; 202. a main spray header; 203. mounting a bracket; 3. a high pressure desulfurization neutralizer; 4. a liquid-gas separation system; 401. a working housing; 402. a conical separation disc; 5. a fine filtration system; 501. a flue gas condenser pipe; 502. an active adsorption plate; 6. a water circulation system; 601. a flue gas input pipe; 602. pre-treating an output pipe; 603. a middle transition duct; 604. a flue gas discharge pipe; 605. an auxiliary smoke pipe cap.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, an embodiment of the present invention provides a self-combustion household garbage cracking furnace, including a cracking furnace main body 1, and characterized in that: one side of the cracking furnace main body 1 is provided with a high-pressure spraying system 2, one side of the high-pressure spraying system 2, which is far away from the cracking furnace main body 1, is provided with a high-pressure desulfurization neutralizer 3, one side of the high-pressure desulfurization neutralizer 3, which is far away from the cracking furnace main body 1, is provided with a liquid-gas separation system 4, one side of the liquid-gas separation system 4, which is far away from the cracking furnace main body 1, is provided with a fine filtration system 5, a water circulation system 6 is sequentially embedded among the cracking furnace main body 1, the high-pressure spraying system 2, the high-pressure desulfurization neutralizer 3, the liquid-gas separation system 4 and the fine filtration system 5, the cracking furnace main body 1 comprises a sand cushion layer 101, two sides of the outer surface of the top of the sand cushion layer 101 are provided with supporting feet 102, the top of the supporting feet 102 is vertically provided with a brick-concrete supporting wall 103, the top of the brick-concrete supporting wall 103, the top of the end foot pad 106 is embedded with a built-in adsorption filter layer 107, the middle part of the sand cushion layer 101 is vertically provided with a main oxygen intake device 110, the middle part of the top of the main oxygen intake device 110 is embedded with a built-in purifier 108, and one side of the main fire-resistant wall 105 is provided with a main access door 109.
Example two:
as shown in fig. 3, 4, and 5, an embodiment of the present invention provides a self-combustion type domestic garbage cracking furnace, wherein a high-pressure spraying system 2 includes a high-pressure housing 201, two main spraying heads 202 and a mounting bracket 203, a maximum bearing pressure of the high-pressure housing 201 is not lower than two mpa, the number of the main spraying heads 202 is two, each two main spraying heads are two, and the two main spraying heads are uniformly mounted on two sides of the top surface of the inner cavity of the high-pressure housing 201, a liquid-gas separation system 4 includes a working housing 401 and a conical separation disc 402, the conical separation disc 402 is disposed in the middle of the inner cavity of the working housing 401, the surface of the conical separation disc 402 is provided with a clockwise protrusion, the surface of the conical separation disc 402 is provided with a one-way permeable membrane for water, the fine filtration system 5 includes a flue gas condenser 501 and an active adsorption plate 502, the flue gas condenser 501 is embedded in the center of the active adsorption plate, the active adsorption plates 502 are uniformly distributed at the axial position of the flue gas condenser pipe 501.
Example three:
as shown in fig. 1-5, an embodiment of the present invention provides a self-combustion type domestic garbage cracking furnace, wherein a water circulation system 6 includes a flue gas discharge pipe 604, an auxiliary flue gas pipe cap 605 is disposed at an end of the flue gas discharge pipe 604, a flue gas input pipe 601 is disposed between a cracking furnace main body 1 and a high pressure spray system 2, a pretreatment output pipe 602 is disposed between the high pressure spray system 2 and a high pressure desulfurization neutralizer 3, an intermediate transition pipe 603 is disposed between a liquid-gas separation system 4 and the high pressure desulfurization neutralizer 3, the cracking furnace main body 1, the high pressure spray system 2, the high pressure desulfurization neutralizer 3, the liquid-gas separation system 4 and a fine filtration system 5 are arranged in a forward-extending manner, and the water circulation systems 6 are disposed between the cracking furnace main body 1, the high pressure spray system 2, the high pressure desulfurization neutralizer 3, the liquid-gas separation system 4 and the fine filtration system 5 in the forward-extending direction, an input end of each water circulation system 6 is lower than an output, the flue gas input pipe 601 used in the water circulation system 6 adopts an acid-alkali resistant pipeline, the pretreatment output pipe 602 adopts a conventional PVC pipeline and can also adopt a stainless metal material, the middle transition pipe 603 adopts a high acid-resistant plastic pipeline, and the flue gas discharge pipe 604 adopts an anti-corrosion pipeline with lower surface roughness and poorer adhesiveness.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a self-combustion formula domestic waste pyrolysis furnace, includes pyrolysis furnace main part (1), its characterized in that: one side of pyrolysis furnace main part (1) is equipped with high pressure spraying system (2), one side that pyrolysis furnace main part (1) was kept away from in high pressure spraying system (2) is equipped with high pressure desulfurization neutralizer (3), one side that pyrolysis furnace main part (1) was kept away from in high pressure desulfurization neutralizer (3) is equipped with liquid-gas separation system (4), one side that pyrolysis furnace main part (1) was kept away from in liquid-gas separation system (4) is equipped with essence filtration system (5), the gomphosis has water circulation system (6) in proper order between pyrolysis furnace main part (1), high pressure spraying system (2), high pressure desulfurization neutralizer (3), liquid-gas separation system (4) and essence filtration system (5).
2. The self-combustion household garbage cracking furnace as claimed in claim 1, wherein: the cracking furnace main body (1) comprises a sand cushion layer (101), supporting pad feet (102) are arranged on two sides of the outer surface of the top of the sand cushion layer (101), a brick-concrete supporting wall (103) is vertically arranged on the top of the supporting pad feet (102), a concrete transition layer (104) is arranged on the top of the brick-concrete supporting wall (103), a main fire-resistant wall (105) is arranged on the top of the concrete transition layer (104), a tail-end pad foot (106) is arranged on the top of the main fire-resistant wall (105), a built-in adsorption filter layer (107) is embedded on the top of the tail-end pad foot (106), a main oxygen intake device (110) is vertically arranged in the middle of the sand cushion layer (101), a built-in purifier (108) is embedded in the middle of the top of the main oxygen intake device (110), and a main access door (109) is arranged on one side.
3. The self-combustion household garbage cracking furnace as claimed in claim 1, wherein: the high-pressure spraying system (2) comprises a high-pressure shell (201), main spraying heads (202) and mounting supports (203), the maximum bearing pressure of the high-pressure shell (201) is not lower than two megapascals, the number of the main spraying heads (202) is two, and each group of the main spraying heads (202) is two and is uniformly mounted on two sides of the top surface of an inner cavity of the high-pressure shell (201).
4. The self-combustion household garbage cracking furnace as claimed in claim 1, wherein: the liquid-gas separation system (4) comprises a working shell (401) and conical separation discs (402), wherein the conical separation discs (402) are arranged in the middle of an inner cavity of the working shell (401), clockwise protrusions are formed in the surfaces of the conical separation discs (402), and one-way permeable membranes for water are arranged on the surfaces of the conical separation discs (402).
5. The self-combustion household garbage cracking furnace as claimed in claim 1, wherein: the fine filtration system (5) comprises a flue gas condenser pipe (501) and an active adsorption plate (502), wherein the flue gas condenser pipe (501) is embedded in the center of the active adsorption plate (502), the contact edge of the flue gas condenser pipe (501) on each active adsorption plate (502) is provided with a bolt for limiting, and the active adsorption plates (502) are uniformly distributed on the axis of the flue gas condenser pipe (501).
6. The self-combustion household garbage cracking furnace as claimed in claim 1, wherein: the water circulation system (6) comprises a flue gas discharge pipe (604), an auxiliary flue gas pipe cap (605) is arranged at the end part of the flue gas discharge pipe (604), a flue gas input pipe (601) is arranged between the cracking furnace main body (1) and the high-pressure spraying system (2), a pretreatment output pipe (602) is arranged between the high-pressure spraying system (2) and the high-pressure desulfurization neutralizer (3), and a middle transition pipe (603) is arranged between the liquid-gas separation system (4) and the high-pressure desulfurization neutralizer (3).
7. The self-combustion household garbage cracking furnace as claimed in claim 1, wherein: the pyrolysis furnace is characterized in that the pyrolysis furnace main body (1), the high-pressure spraying system (2), the high-pressure desulfurization neutralizer (3), the liquid-gas separation system (4) and the fine filtration system (5) are installed in a sequential extending mode, the water circulation systems (6) are arranged among the pyrolysis furnace main body (1), the high-pressure spraying system (2), the high-pressure desulfurization neutralizer (3), the liquid-gas separation system (4) and the fine filtration system (5) in a sequential extending mode, and the input end of each water circulation system (6) is lower than the output end of each water circulation system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216802.0A CN111076178A (en) | 2018-10-18 | 2018-10-18 | Self-combustion type domestic garbage cracking furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811216802.0A CN111076178A (en) | 2018-10-18 | 2018-10-18 | Self-combustion type domestic garbage cracking furnace |
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| CN111076178A true CN111076178A (en) | 2020-04-28 |
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Application publication date: 20200428 |