CN219674229U - Refuse incinerator for low-temperature catalytic removal of carbon monoxide - Google Patents
Refuse incinerator for low-temperature catalytic removal of carbon monoxide Download PDFInfo
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- CN219674229U CN219674229U CN202223438569.5U CN202223438569U CN219674229U CN 219674229 U CN219674229 U CN 219674229U CN 202223438569 U CN202223438569 U CN 202223438569U CN 219674229 U CN219674229 U CN 219674229U
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- incinerator
- temperature
- carbon monoxide
- garbage
- shell
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims abstract description 39
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 59
- 239000003546 flue gas Substances 0.000 claims abstract description 36
- 239000003054 catalyst Substances 0.000 claims abstract description 20
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 14
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 9
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000012855 volatile organic compound Substances 0.000 claims description 2
- 230000000382 dechlorinating effect Effects 0.000 claims 1
- 230000003009 desulfurizing effect Effects 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 4
- 231100000572 poisoning Toxicity 0.000 abstract description 4
- 230000000607 poisoning effect Effects 0.000 abstract description 4
- 238000000197 pyrolysis Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 9
- 229910052763 palladium Inorganic materials 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229910052703 rhodium Inorganic materials 0.000 description 5
- 239000010948 rhodium Substances 0.000 description 5
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 150000003568 thioethers Chemical class 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004200 deflagration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Incineration Of Waste (AREA)
Abstract
The utility model relates to a garbage incineration device for removing carbon monoxide through low-temperature catalysis, which consists of a crusher (1), a conveyor (2), a feeder (4), an incinerator (8), a flue gas purification device (32), a fan (24), a catalytic reactor (27) and a chimney (25); the method adopts the catalytic reaction of removing sulfide in the flue gas firstly and then removing carbon monoxide in the flue gas, overcomes the influence of 'poisoning' invalidation caused by sulfide generated in the garbage pyrolysis furnace on the catalyst, solves the problem that carbon monoxide in the exhaust gas does not reach standards in low-temperature garbage incineration, and particularly supplies the heat required by the catalytic reaction of removing carbon monoxide in the flue gas into carbon dioxide by using the heat generated by garbage incineration in the incinerator.
Description
Technical Field
The utility model relates to garbage incineration equipment, in particular to a garbage incineration device for removing carbon monoxide through low-temperature catalysis, and belongs to the field of environmental protection equipment.
Background
In CN 209672341U, an organic garbage low-temperature magnetizing cracking device and CN210230977U, a medical magnetizing garbage treatment device are disclosed, wherein the organic garbage is burned below 350 ℃, but the low-temperature garbage is burned, the low-temperature garbage belongs to an anoxic garbage burning or smoldering process, the oxygen supply amount is insufficient, and the low-temperature garbage smoldering can cause that a great amount of carbon monoxide is contained in the discharged flue gas to pollute the atmosphere; the inventor discloses that refuse is incinerated in low-temperature magnetized air in an environment-friendly refuse low-temperature magnetized pyrolysis furnace with a bulletin No. CN214060407U, and the incinerated flue gas is subjected to carbon monoxide removal by a catalyst loaded with metal platinum, rhodium and palladium; the known catalyst for eliminating carbon monoxide consists of noble metal elements (such as platinum, rhodium and palladium), and the metal platinum, rhodium and palladium catalyst is easy to react with sulfides in flue gas and is poisoned to lose catalytic activity, the ignition temperature of the carbon monoxide is 650 ℃, the conventional garbage incineration for removing the carbon monoxide is carried out at the high temperature of 850-1100 ℃ of a secondary combustion chamber, the generated carbon monoxide cannot be combusted into carbon dioxide by garbage incineration or pyrolysis below 600 ℃, and if the secondary combustion chamber is arranged behind the low-temperature incinerator for eliminating the carbon monoxide in the flue gas, the temperature of the flue gas discharged is increased from 350 ℃ to 650 ℃ (namely the ignition temperature of the carbon monoxide), so that the energy consumption cost of garbage disposal is greatly increased.
Disclosure of Invention
The utility model aims to overcome and make up the defects and shortcomings of the prior art, thereby providing a garbage incineration device for removing carbon monoxide by low-temperature catalysis, which is realized in the following way:
the utility model provides a low temperature catalysis removes garbage incineration device of carbon monoxide, this device comprises breaker (1), conveyer (2), feeder (4), incinerator (8), flue gas purification device (32), fan (24), catalytic reactor (27) and chimney (25), its characterized in that: the discharging opening of the crusher (1) is arranged above the feeding opening of the conveyor (2), the discharging opening of the conveyor (2) is arranged above the hopper (3) of the crusher (1), the discharging opening of the feeder (4) is connected and communicated with the feeding opening at the upper part of the incinerator (8) through a flange (6), the gas outlet I (7) at the upper part of the incinerator (8) is connected and communicated with the gas inlet I (31) of the flue gas purifying device (32) through a pipeline I (10), the gas outlet II (21) of the flue gas purifying device (32) is connected and communicated with the inlet of the fan (24) through a pipeline I (10), the outlet of the fan (24) is connected and communicated with the gas inlet II (13) of the heating pipe (9) in the incinerator (8) through a pipeline II (23), the gas outlet III (12) of the heating pipe (9) in the incinerator (8) is connected and communicated with the gas inlet III (30) of the catalytic reactor (27) through a pipeline III (22), and the outlet (26) of the catalytic reactor (27) is connected and communicated with the inlet of the chimney (25);
the catalytic reactor (27) belongs to a closed shell, the lower part of the shell is provided with a pore plate (29), the pore plate (29) belongs to a steel pore plate with the pore diameter of 3-9mm, and the distance between the pores is 2-10mm; a granular or honeycomb catalyst (28) is arranged on the upper surface of the pore plate (29), and the arranged carbon monoxide catalyst belongs to a known catalyst for converting carbon monoxide into carbon dioxide under the temperature condition of 180-240 ℃; preferably a carbon monoxide decomposition catalyst available from environmental technologies limited in the Kang Qiao century, beijing;
the incinerator (8) belongs to a box-type metal shell, refractory materials are arranged on the inner wall of the shell, the outer wall of the shell is wrapped by heat insulation materials, an observation door (11) and a first air outlet (7) are arranged on the side face of the middle part of the shell, a grate (15) is arranged on the middle lower part of the inside of the shell, a slag discharging door (20) is arranged on the side wall of the shell above the grate (15), a heating pipe (9) is arranged above the grate (15), a second air inlet (13) and a third air outlet (12) of the heating pipe (9) are arranged on the side wall of the shell, an ash discharging chamber (16) is arranged below the grate (15), an ash discharging door (17) and an air inlet (18) are arranged on the side wall of the ash discharging chamber (16), the air inlet (18) is communicated with an air inlet valve (19), and a temperature measuring instrument (14) is arranged in the side wall of the shell above the grate (15);
the heating pipe (9) belongs to a metal pipeline of high temperature resistant materials (such as 15CrMo and 1 Cr18Ni9Ti), the metal pipeline is formed by combining the metal pipeline in a curve or coil pipe arrangement mode, and after gas flowing into the heating pipe (9) is heated by high temperature generated by garbage incineration on the outer wall of the heating pipe (9), the temperature of the gas in the heating pipe (9) reaches the catalytic reaction temperature (namely 200-240 ℃) required by carbon monoxide to be changed into carbon dioxide;
the flue gas purification device (32) belongs to conventional equipment for flue gas desulfurization, denitration, dechlorination, tar removal, dust removal and VOCs decomposition, and comprises: acid gases (SO 2, H2S, HCL and CO 2) are removed by an alkali liquor spray tower, tar is removed by an electrostatic precipitator, volatile organic waste gas is removed by a VU photooxidation and active carbon flue gas purification integrated machine, dust is removed by a dust remover;
the temperature measuring instrument (14) belongs to a temperature measuring instrument used by a conventional incinerator, and can display the incineration temperature in a hearth;
the crusher (1) belongs to a conventional garbage shredder, such as a crushing machine;
the feeder (4) belongs to a conventional screw conveyor and a reciprocating pusher;
the garbage comprises: domestic garbage and agricultural and forestry organic waste;
the catalyst in the utility model belongs to a particle, strip-shaped or honeycomb-shaped solid catalyst, is a conventional catalyst commodity (manufactured by environmental technology Co., ltd. In the Kang Qiao century of Beijing) containing metal platinum, rhodium and palladium elements for removing carbon monoxide, and the metal platinum, rhodium and palladium catalytic active components in the catalyst are easy to react with sulfides (such as sulfur dioxide and hydrogen sulfide) in flue gas to cause the catalyst to be in poisoning failure, so that a flue gas purifying device (32) is adopted to remove the sulfides in the gas, and then the catalytic reaction for removing the carbon monoxide in the gas is carried out, so that the active components of the carbon monoxide catalyst are ensured not to be affected by the poisoning failure caused by the sulfides, which is one of the characteristics of the utility model;
the heat released by the garbage incineration in the incinerator (8) is used for heating the heating pipe (9), the low-temperature gas flowing into the heating pipe (9) is heated to 200-240 ℃ required by the catalytic reaction, the heat generated by the garbage incineration is taken away by the gas flowing in the heating pipe, no extra power or fuel is needed for providing heat for the catalytic reaction of carbon monoxide, and the energy consumption cost of the standard treatment of the garbage gas is greatly saved, which is one of the characteristics of the utility model;
the garbage is firstly broken or crushed, the volume of the garbage is reduced, the unit volume weight of the garbage is increased, the specific gravity of the garbage is increased, the garbage with high specific gravity cannot deflagrate and the temperature of the garbage cannot be increased severely in the incinerator (8), the incineration temperature is easy to control to 240-300 ℃, and the temperature of an incineration area cannot reach the high temperature condition generated by dioxin, so that the garbage is one of the characteristics of the garbage incinerator;
when the garbage is burnt on the grate (15), the heat of the incinerator (8) is taken away by the gas flowing in the heating pipe (9), so that the high temperature generated by the deflagration of the garbage is limited, and the problem that dioxin is generated at high temperature by the garbage incineration is solved, which is one of the characteristics of the utility model;
the raw materials are added to the incinerator (8) by adopting the feeder (4), a cover (5) at the top of the incinerator (8) does not need to be opened, and the environmental pollution caused by overflow of water vapor and tar gas phase matters in the incinerator (8) from the incinerator (8) during feeding is prevented, which is one of the characteristics of the utility model;
the utility model has the advantages that:
1. when the garbage is incinerated, the heat of the incinerating area is taken away by the gas flowing in the heating pipe, and the heat generated by the garbage incineration is used for supplying the heat required by the catalytic reaction of carbon monoxide into carbon dioxide, so that the energy consumption cost of up-to-standard emission of the flue gas is greatly saved, and the generation problem of dioxin generated by high temperature generated by the garbage incineration is also suppressed and controlled;
2. the gas flowing through the heating pipe is adopted to take away the high-temperature heat generated by the garbage incineration, so that the high temperature generated in the incinerator is controlled and limited, the generation amount of dioxin is reduced, and the defect that a large amount of dioxin is generated by the conventional garbage incineration at high temperature is overcome;
3. the utility model adopts the catalytic reaction of firstly removing sulfide in the flue gas and then removing carbon monoxide in the flue gas, overcomes the influence of 'poisoning' invalidation caused by sulfide generated in the garbage incinerator on the catalyst, and solves the problem that the carbon monoxide in the exhaust gas does not reach the standard in the low-temperature garbage incineration;
4. in the low-temperature garbage incineration, the garbage is firstly subjected to bag breaking or crushing, so that the volume of the garbage is reduced, the unit volume and the weight of the garbage are increased, the density of the garbage is increased, the high-density garbage incineration cannot generate deflagration of the garbage, the high-temperature combustion of open fire cannot occur, the furnace temperature cannot reach the high-temperature condition generated by dioxin, and the problem of dioxin generated in low-temperature magnetized incineration is effectively restrained;
5. the garbage incinerator is added with garbage raw materials by using the feeder, a charging cover of the incinerator does not need to be opened, the defect that the environment is polluted due to the fact that smoke in the incinerator overflows from the incinerator when the traditional garbage incinerator is charged is overcome, and the continuous normal operation of the garbage incinerator is not influenced when the garbage raw materials are added.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present utility model;
FIG. 2 is a schematic view of the structure of the heating pipe (9) of the present utility model;
in FIG. 1, 1-crusher, 2-conveyor, 3-hopper, 4-feeder, 5-manhole cover, 6-flange, 7-gas outlet I, 8-incinerator, 9-heating pipe, 10-pipe I, 11-observation door, 12-gas outlet III, 13-gas inlet II, 14-thermometer, 15-grate, 16-ash discharge chamber, 17-ash discharge door, 18-air inlet, 19-air inlet valve, 20-slag discharge door, 21-gas outlet II, 22-pipe III, 23-pipe II, 24-blower, 25-chimney, 26-gas outlet IV, 27-catalytic reactor, 28-particulate or honeycomb catalyst, 29-orifice plate, 30-gas inlet III, 31-gas inlet I, 32-flue gas cleaning device;
Detailed Description
As shown in fig. 1, the garbage is broken or shredded into 5-10 cm size by a crusher (1), the crushed garbage is sent into an incinerator (8) through a conveyor (2) and a feeder (4), air is sucked into the incinerator (8) through a valve (19) and an air inlet (18) to supply air required for garbage incineration, the garbage is combusted in the incinerator (8) under the action of the air, the garbage incineration temperature in the incinerator (8) is controlled to be 300-350 ℃, the garbage is incinerated in the incinerator (8) to become gas and ash products, the ash is periodically discharged from an ash discharge door (17) and a slag discharge door (20), under the operation of a fan (24), the gas generated in the incinerator (8) is pumped out through a first gas outlet (7), the gas enters a flue gas purification device (32) through a first pipeline (10) to be subjected to purification treatment (such as desulfurization, de-pinning, tar removal, dust removal and the like), the fan (24) is used for carrying out purification treatment (for example) in a desulfurization device (32) to obtain the garbage, the ash residues are combusted in the second pipeline (23) and the ash residues are periodically discharged from the ash discharge door (17) and the ash discharge door (20) is discharged from the ash discharge door (9), and the gas is heated in a third pipeline (9) to be heated by a heating pipe (9) to be heated, and the temperature (200) is heated in the heating pipe (9). The oxygen supply amount required by the garbage incineration in the incinerator (8), the garbage incineration temperature and the gas temperature discharged by the gas outlet III (12) of the heating pipe (9) are regulated by controlling the air intake of the rotating speed of an air inlet valve (19) or a fan (24); the gas exhausted by the heating pipe (9) is conveyed into a catalytic reactor (27) through a pipeline III (22) and a gas inlet III (30), the catalytic reaction temperature is controlled to be 200-240 ℃ in a catalytic reactor (32), carbon monoxide in the gas and a catalyst undergo oxidation-reduction reaction, the carbon monoxide is oxidized into carbon dioxide, the gas after the catalytic reaction is exhausted from the catalytic reactor (27) through a gas outlet IV (26), and the gas is exhausted into the atmosphere through a chimney (25);
the apparatus of the present utility model will be further described with reference to the accompanying drawings and examples, but the examples are not limited thereto.
Examples
As shown in fig. 1 and 2, 8 cubic meters of household garbage is broken into bags or shredded into the size below 10 centimeters by a crusher (1), the crushed garbage is sent into an incinerator (2.5 meters long, 2 meters wide and 2.5 meters high) (8) by a belt conveyor (2) and an electric screw feeder (4), air is sucked into the incinerator (8) through a valve (19) and an air inlet (18) to supply air required by garbage incineration, the garbage is combusted in the incinerator (8) under the action of the air, the garbage incineration temperature in the incinerator (8) is controlled to be 320-350 ℃, the garbage is changed into gas and ash products after being incinerated in the incinerator (8), the ash is periodically discharged from an ash discharge door (17) and an ash discharge door (20), the gas generated in the incinerator (8) is pumped out by a fan (24) running air suction of 1.5kw, the gas is discharged out of the incinerator (8) through a first gas outlet (7), enters a pipeline (10) into a flue gas purification device (32) to be purified by a flue gas purification device (e.g. a flue gas purification tower (23), the flue gas is discharged into an active flue gas removal tower (9) through a flue gas purification device (9), and a flue gas removal and an active flue gas purification device (9) is discharged by a flue gas purification device,the heat generated by the garbage incineration heats the gas flowing in the heating pipe (9), the temperature of a gas outlet III (12) of the heating pipe (9) is controlled to be 220-240 ℃, the incineration temperature in the incinerator (8) is regulated by controlling the air inlet quantity of the rotating speed of the fan (24), the gas discharged by the heating pipe (9) is conveyed into the catalytic reactor (27) to be in contact with the honeycomb catalyst (28) in the catalytic reactor (27) for catalytic reaction, the temperature of the catalytic reaction is 210-230 ℃, the catalytic reaction oxidizes carbon monoxide in the gas into carbon dioxide, and standard gas treated by the catalytic reactor (27) is continuously discharged into the environment through the chimney (25); through detection, all indexes in the chimney exhaust gas reach the emission standard of national standard GB18485-2014 "domestic waste incineration pollution control Standard", wherein the dioxin detection content is 0.021TEQng/Nm 3 The content of dioxin is lower than that of the national standard GB18485-2014 and is less than 0.1TEQng/Nm 3 The detection content of the black degree (green man grade) of the flue gas is less than 1, and the detection content of the carbon monoxide (CO) is less than 3mg/m 3 The content of carbon monoxide is lower than 80mg/m in the national standard GB18485-2014 3 Is not limited.
Claims (1)
1. The utility model provides a low temperature catalysis removes garbage incineration device of carbon monoxide, this device comprises breaker (1), conveyer (2), feeder (4), incinerator (8), flue gas purification device (32), fan (24), catalytic reactor (27) and chimney (25), its characterized in that: the discharging opening of the crusher (1) is arranged above the feeding opening of the conveyor (2), the discharging opening of the conveyor (2) is arranged above the hopper (3) of the crusher (1), the discharging opening of the feeder (4) is connected and communicated with the feeding opening at the upper part of the incinerator (8) through a flange (6), the gas outlet I (7) at the upper part of the incinerator (8) is connected and communicated with the gas inlet I (31) of the flue gas purifying device (32) through a pipeline I (10), the gas outlet II (21) of the flue gas purifying device (32) is connected and communicated with the inlet of the fan (24) through a pipeline I (10), the outlet of the fan (24) is connected and communicated with the gas inlet II (13) of the heating pipe (9) in the incinerator (8) through a pipeline II (23), the gas outlet III (12) of the heating pipe (9) in the incinerator (8) is connected and communicated with the gas inlet III (30) of the catalytic reactor (27) through a pipeline III (22), and the outlet (26) of the catalytic reactor (27) is connected and communicated with the inlet of the chimney (25);
the catalytic reactor (27) belongs to a closed shell, the lower part of the shell is provided with a pore plate (29), the pore plate (29) belongs to a steel pore plate with the pore diameter of 3-9mm, and the distance between the pores is 2-10mm; a granular or honeycomb catalyst (28) is arranged on the upper surface of the pore plate (29), and the arranged carbon monoxide catalyst belongs to a catalyst for converting carbon monoxide into carbon dioxide under the temperature condition of 180-240 ℃;
the incinerator (8) belongs to a box-type metal shell, refractory materials are arranged on the inner wall of the shell, the outer wall of the shell is wrapped by heat insulation materials, an observation door (11) and a first air outlet (7) are arranged on the side face of the middle part of the shell, a grate (15) is arranged on the middle lower part of the inside of the shell, a slag discharging door (20) is arranged on the side wall of the shell above the grate (15), a heating pipe (9) is arranged above the grate (15), a second air inlet (13) and a third air outlet (12) of the heating pipe (9) are arranged on the side wall of the shell, an ash discharging chamber (16) is arranged below the grate (15), an ash discharging door (17) and an air inlet (18) are arranged on the side wall of the ash discharging chamber (16), the air inlet (18) is communicated with an air inlet valve (19), and a temperature measuring instrument (14) is arranged in the side wall of the shell above the grate (15);
the heating pipe (9) belongs to a metal pipeline made of high-temperature resistant materials, the metal pipeline is formed by combining the metal pipelines in a curve or coil arrangement mode, and after gas flowing into the heating pipe (9) is heated by high temperature generated by garbage incineration on the outer wall of the heating pipe (9), the temperature of the gas in the heating pipe (9) reaches the catalytic reaction temperature required by carbon monoxide to be changed into carbon dioxide;
the flue gas purifying device (32) belongs to equipment for desulfurizing, denitrating, dechlorinating, removing tar, dedusting and decomposing VOCs,
the temperature measuring instrument (14) belongs to a temperature measuring instrument used by the incinerator and can display the incineration temperature in the hearth;
the crusher belongs to a garbage shredder;
the feeding machine (4) belongs to a screw conveyor and a reciprocating pusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223438569.5U CN219674229U (en) | 2022-12-21 | 2022-12-21 | Refuse incinerator for low-temperature catalytic removal of carbon monoxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223438569.5U CN219674229U (en) | 2022-12-21 | 2022-12-21 | Refuse incinerator for low-temperature catalytic removal of carbon monoxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219674229U true CN219674229U (en) | 2023-09-12 |
Family
ID=87897350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223438569.5U Active CN219674229U (en) | 2022-12-21 | 2022-12-21 | Refuse incinerator for low-temperature catalytic removal of carbon monoxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219674229U (en) |
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2022
- 2022-12-21 CN CN202223438569.5U patent/CN219674229U/en active Active
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