CN110173701B - Waste gas pyrolysis purification device - Google Patents
Waste gas pyrolysis purification device Download PDFInfo
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- CN110173701B CN110173701B CN201910376321.4A CN201910376321A CN110173701B CN 110173701 B CN110173701 B CN 110173701B CN 201910376321 A CN201910376321 A CN 201910376321A CN 110173701 B CN110173701 B CN 110173701B
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- waste gas
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- ignition
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- 239000002912 waste gas Substances 0.000 title claims abstract description 70
- 238000000746 purification Methods 0.000 title claims abstract description 16
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 12
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 60
- 239000007789 gas Substances 0.000 claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 abstract description 4
- 238000002640 oxygen therapy Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
-
- 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
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- 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)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a waste gas pyrolysis purification device, which comprises a box body and a control valve, wherein a shell is arranged in the box body, a garbage combustion chamber, a garbage storage chamber and a waste gas ignition chamber are sequentially arranged in the shell from left to right, and a heating chamber is fixedly arranged on the shell; be connected with gas transmission pipeline on the rubbish combustion chamber, gas transmission pipeline passes the heating chamber from the below to be connected to waste gas ignition chamber below, the inside of waste gas ignition chamber is provided with the ignition nozzle, first check valve and first oxygen therapy pipe are connected to the right side wall pipeline of waste gas ignition chamber, and waste gas filter equipment is connected through admission line in waste gas ignition chamber top, and waste gas filter equipment output port is provided with exhaust duct. The invention aims to provide a waste gas pyrolysis purification device, which can fully decompose and utilize waste gas generated by garbage combustion, thoroughly solve the problem that the combustion waste gas is discharged to pollute the environment, thoroughly purify the waste gas, save treatment cost and have very high treatment efficiency without adding combustion improvers such as gasoline, diesel oil and the like.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas pyrolysis purification device.
Background
In recent years, with the improvement of the living standard of people, the generation amount of urban domestic garbage is rapidly increased, the accumulation and storage amount of the garbage every year is very large, and if the garbage disposal is performed by adopting a garbage landfill mode, the land resources are greatly polluted, the land resources are wasted, and the agricultural development is not facilitated. The incineration method can realize effective treatment of the household garbage to the maximum extent, occupies the least land resources, but the incineration waste gas is directly discharged without being treated, so that serious pollution is caused to air, and the ecological environment is not protected. In the existing garbage disposal technology, mainly with adding diesel oil, gasoline burns rubbish, but because the composition of rubbish is more complicated, waste gas that once burns and produces still has a large amount of carbonization granule smog and carbon monoxide, direct emission can cause huge pollution to the air, and during the burning, some rubbish contain including moisture, lead to the combustion speed slow, difficult burning is complete, the inefficiency of refuse treatment, the component that does not have complete combustion in the waste gas both pollutes the environment, can not well be utilized, cause the waste of the energy, therefore, how can make the waste gas that the rubbish burning produced obtain abundant decomposition and utilization, thoroughly solve burning waste gas and discharge the non-staining environment, become the problem that technical staff in the field await for urgent need to solve.
Disclosure of Invention
The invention aims to solve the problems, and provides a waste gas pyrolysis purification device which can fully decompose and utilize waste gas generated by garbage combustion, thoroughly solve the problem that the combustion waste gas is discharged to pollute the environment, thoroughly purify the waste gas, avoid adding combustion promoters such as gasoline, diesel oil and the like, save the treatment cost and have very high treatment efficiency.
In order to realize the purpose, the invention adopts the technical scheme that: a waste gas pyrolysis purification device comprises a box body and a control valve, wherein a shell is fixedly arranged in the box body through a second support frame, a garbage combustion chamber, a garbage storage chamber and a waste gas ignition chamber are sequentially arranged in the shell from left to right, and a heating chamber is fixedly arranged below the shell through a first support frame; be connected with gas transmission pipeline on the left side wall of rubbish combustion chamber, gas transmission pipeline passes the heating chamber from the below to be connected to waste gas ignition chamber below, the inside of waste gas ignition chamber is provided with the ignition nozzle, the right side wall of waste gas ignition chamber passes through first check valve of pipe connection and first oxygen therapy pipe, waste gas filter equipment is passed through the admission line at the top of waste gas ignition chamber, waste gas filter equipment's output port is provided with exhaust duct, exhaust duct is vertical upwards and stretch out the box outside.
Furthermore, a control valve is arranged on the gas transmission pipeline and close to the garbage combustion chamber.
Furthermore, the left side wall of the garbage combustion chamber is connected with a second one-way valve and a second oxygen conveying pipe through a pipeline below the gas conveying pipeline.
Furthermore, a heating pipe is arranged in the heating chamber, is wound on the gas transmission pipeline passing through the heating chamber and heats the internal waste gas.
Further, a temperature sensor is arranged on the gas transmission pipeline and at the output position of the heating chamber.
Furthermore, a movable door is hinged to the top of the garbage combustion chamber.
Furthermore, the inner side wall of the garbage storage chamber is provided with a heat insulation layer.
Further, a flame arrester is arranged at the top of the waste gas ignition chamber and at the position of the input port of the air inlet pipeline.
Further, crisscross a plurality of baffles that are provided with about in the exhaust gas filtering device, the level is provided with the backup pad between the baffle, is provided with the through-hole that is used for waste gas to pass through in the backup pad, is provided with the active carbon adsorption layer in the cavity that backup pad and baffle formed, and exhaust gas filtering device's output just is close to exhaust duct position department and is provided with the alumina adsorption layer.
The invention has the beneficial effects that: the invention provides a waste gas pyrolysis purification device, which can fully decompose and utilize waste gas generated by garbage combustion, thoroughly solve the problem that the combustion waste gas is discharged to pollute the environment, thoroughly purify the waste gas, save treatment cost and have very high treatment efficiency without adding combustion promoters such as gasoline, diesel oil and the like.
1. The garbage incinerator is provided with the heating chamber, waste gas in a gas transmission pipeline passing through the heating chamber can be heated and heated, then oxygen is introduced into the waste gas ignition chamber for ignition, secondary combustion is carried out, carbonized particles and carbon monoxide in garbage combustion waste gas are thoroughly removed, and the waste gas is thoroughly purified.
2. The garbage storage chamber is arranged between the garbage combustion chamber and the waste gas ignition chamber, the heat insulation layer is further arranged in the garbage storage chamber, heat generated by garbage combustion and waste gas ignition is transferred into the garbage storage chamber, garbage stored in the garbage storage chamber can be dried, the garbage is in a dry state when being incinerated next time, the combustion efficiency during one-time combustion is improved, the design is ingenious, the treatment efficiency can be greatly improved, and the treatment cost is reduced.
3. The waste gas filtering device is internally provided with the supporting plate and the partition plate, the waste gas filtering device is internally provided with the activated carbon adsorption layer and the alumina adsorption layer, and waste gas after secondary ignition and purification treatment can be in full contact with the activated carbon adsorption layer and the alumina adsorption layer to remove impurities, deodorize and purify the waste gas.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of an exhaust gas filtering device according to the present invention.
The text labels in the figures are represented as: 1. a box body; 2. a housing; 3. a refuse combustion chamber; 4. an exhaust gas filtering device; 5. a waste storage chamber; 6. an exhaust gas ignition chamber; 7. a flame arrestor; 8. an ignition nozzle; 9. a first check valve; 10. a first oxygen delivery tube; 11. a temperature sensor; 12. a first support frame; 13. a heating chamber; 14. a second support frame; 15. a control valve; 16. a second one-way valve; 17. a second oxygen duct; 18. a gas pipeline; 301. a movable door; 401. an exhaust duct; 402. an air intake duct; 403. a partition plate; 404. a support plate; 405. a through hole; 406. an activated carbon adsorption layer; 407. an alumina adsorption layer; 501. a heat-insulating layer; 1301. heating the tube.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1-2, the specific structure of the present invention is: a waste gas pyrolysis purification device comprises a box body 1 and a control valve 15, wherein a shell 2 is fixedly arranged in the box body 1 through a second support frame 14, a garbage combustion chamber 3, a garbage storage chamber 5 and a waste gas ignition chamber 6 are sequentially arranged in the shell 2 from left to right, and a heating chamber 13 is fixedly arranged below the shell 2 through a first support frame 12; be connected with gas transmission pipeline 18 on the left side wall of rubbish combustion chamber 3, gas transmission pipeline 18 passes heating chamber 13 from the below, and connect to waste gas ignition chamber 6 below, waste gas ignition chamber 6's inside is provided with ignition nozzle 8, waste gas ignition chamber 6's right side wall passes through first check valve 9 of pipe connection and first oxygen therapy pipe 10, waste gas filtration device 4 is passed through admission line 402 and is connected at waste gas ignition chamber 6's top, waste gas filtration device 4's output port is provided with exhaust duct 401, exhaust duct 401 is vertical upwards and stretch out the box 1 outside.
Referring to fig. 1, in order to facilitate the control of the exhaust gas, a control valve 15 is disposed on the gas pipe 18 and near the garbage combustion chamber 3.
Referring to fig. 1, in order to facilitate the combustion of the garbage, the left side wall of the garbage combustion chamber 3 is connected with a second one-way valve 16 and a second oxygen duct 17 through a pipeline at a position below a gas duct 18.
Referring to fig. 1, a heating pipe 1301 is disposed in the heating chamber 13, and the heating pipe 1301 is wound around the gas transmission pipe 18 passing through the heating chamber 13 to heat the internal exhaust gas.
Referring to fig. 1, in order to monitor the temperature of the flue gas in the gas transmission pipe 18, a temperature sensor 11 is disposed on the gas transmission pipe 18 at the output position of the heating chamber 13.
Referring to fig. 1, a movable door 301 is hinged to the top of the garbage combustion chamber 3 to facilitate garbage to enter the garbage combustion chamber 3.
Referring to fig. 1, in order to improve the drying effect of the garbage stored in the garbage storage chamber 5, an insulating layer 501 is disposed on the inner side wall of the garbage storage chamber 5.
Referring to fig. 1, in order to prevent flames inside the offgas ignition chamber 6 from escaping from the position of the intake duct 402, a flame arrester 7 is provided at the top of the offgas ignition chamber 6 at the position of the input port of the intake duct 402.
Referring to fig. 2, in order to purify the exhaust gas generated in the exhaust gas ignition chamber 6, a plurality of partition plates 403 are staggered up and down in the exhaust gas filtering device 4, a support plate 404 is horizontally disposed between the partition plates 403, a through hole 405 for passing the exhaust gas is disposed on the support plate 404, an activated carbon adsorption layer 406 is disposed in a cavity formed by the support plate 404 and the partition plates 403, and an alumina adsorption layer 407 is disposed at an output end of the exhaust gas filtering device 4 and near the exhaust duct 401.
The invention has the specific working principle that: garbage is put into a garbage combustion chamber 3 from the position of a movable door 301 for incineration, garbage to be combusted is stored in a garbage storage chamber 5, heat generated in the incineration process dries the garbage stored in the garbage storage chamber 5, after the incineration is finished, a control valve 15 is opened, the combusted smoke is conveyed along a gas conveying pipeline 18, the smoke is heated and heated by a heating pipe 1301 in a heating chamber 13 and then enters an exhaust gas ignition chamber 6, an ignition nozzle 8 is started to ignite the smoke after heating and heating, secondary combustion operation is carried out, heat energy generated by ignition of the exhaust gas is transferred into the garbage storage chamber 5, the garbage stored in the garbage storage chamber 5 is dried, the combusted exhaust gas enters the interior of an exhaust gas filtering device 4 from an air inlet pipeline 402, the exhaust gas is purified in the exhaust gas filtering device 4, and the purified gas is discharged from an exhaust pipeline 401, the waste gas generated by garbage combustion can be fully decomposed and utilized.
It should be noted that, in this document, 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.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (6)
1. A waste gas pyrolysis purification device is characterized by comprising a box body (1) and a control valve (15), wherein a shell (2) is fixedly arranged in the box body (1) through a second support frame (14), a garbage combustion chamber (3), a garbage storage chamber (5) and a waste gas ignition chamber (6) are sequentially arranged in the shell (2) from left to right, and a heating chamber (13) is fixedly arranged below the shell (2) through a first support frame (12); the left side wall of the garbage combustion chamber (3) is connected with a gas transmission pipeline (18), the gas transmission pipeline (18) penetrates through the heating chamber (13) from the lower part and is connected to the lower part of the waste gas ignition chamber (6), an ignition nozzle (8) is arranged inside the waste gas ignition chamber (6), the right side wall of the waste gas ignition chamber (6) is connected with a first check valve (9) and a first oxygen transmission pipe (10) through pipelines, the top of the waste gas ignition chamber (6) is connected with a waste gas filtering device (4) through an air inlet pipeline (402), an outlet port of the waste gas filtering device (4) is provided with an exhaust pipeline (401), the exhaust pipeline (401) vertically upwards extends out of the box body (1), the inner side wall of the garbage storage chamber (5) is provided with a heat insulation layer (501), the top of the waste gas ignition chamber (6) is provided with a flame arrester (7) at the position of an inlet port of the air inlet pipeline (402), a plurality of partition plates (403), a supporting plate (404) is horizontally arranged between the clapboards (403), a through hole (405) for waste gas to pass through is formed in the supporting plate (404), an activated carbon adsorption layer (406) is arranged in a cavity formed by the supporting plate (404) and the clapboards (403), and an alumina adsorption layer (407) is arranged at the position, close to the exhaust pipeline (401), of the output end of the waste gas filtering device (4).
2. An exhaust gas pyrolysis purification apparatus according to claim 1, wherein a control valve (15) is provided on the gas transmission pipe (18) at a position close to the garbage combustion chamber (3).
3. An apparatus for pyrolytic purification of exhaust gas according to claim 1 wherein the waste combustor (3) is ducted with a second one-way valve (16) and a second oxygen duct (17) at the left side wall and below the gas duct (18).
4. An exhaust gas pyrolysis purification apparatus according to claim 1, wherein a heating pipe (1301) is provided in the heating chamber (13), and the heating pipe (1301) is wound around the gas transmission pipe (18) passing through the heating chamber (13) and heats the internal exhaust gas.
5. An exhaust gas pyrolytic purification apparatus according to claim 1 wherein a temperature sensor (11) is provided on the gas duct (18) at the output of the heating chamber (13).
6. An exhaust gas pyrolytic purification apparatus according to claim 1, wherein a movable door (301) is hinged on top of the waste combustion chamber (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376321.4A CN110173701B (en) | 2019-05-07 | 2019-05-07 | Waste gas pyrolysis purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376321.4A CN110173701B (en) | 2019-05-07 | 2019-05-07 | Waste gas pyrolysis purification device |
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| Publication Number | Publication Date |
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| CN110173701A CN110173701A (en) | 2019-08-27 |
| CN110173701B true CN110173701B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910376321.4A Active CN110173701B (en) | 2019-05-07 | 2019-05-07 | Waste gas pyrolysis purification device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111828991B (en) * | 2020-07-10 | 2022-11-18 | 未名合一生物环保有限公司通道分公司 | Waste gas combustion treatment device with turning type multistage rotational flow oxidation function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103155A (en) * | 1994-08-10 | 1995-05-31 | 刘恩生 | Solid pollutant burning furnace for medical use |
| CN102297432A (en) * | 2011-02-24 | 2011-12-28 | 张玉新 | Secondary exhaust gas incineration device and process for adjusting temperature in horizontal garbage incinerator |
| CN108180483A (en) * | 2017-12-30 | 2018-06-19 | 佛山市顺智环保科技有限公司 | A kind of environmentally protective garbage combustion device |
| CN207990630U (en) * | 2018-02-05 | 2018-10-19 | 郑州大学第一附属医院 | A kind of hospital refuse processor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322630B (en) * | 2011-09-24 | 2014-03-19 | 刘伟奇 | Method and devices for burning macromolecular matters efficiently and cleanly |
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2019
- 2019-05-07 CN CN201910376321.4A patent/CN110173701B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103155A (en) * | 1994-08-10 | 1995-05-31 | 刘恩生 | Solid pollutant burning furnace for medical use |
| CN102297432A (en) * | 2011-02-24 | 2011-12-28 | 张玉新 | Secondary exhaust gas incineration device and process for adjusting temperature in horizontal garbage incinerator |
| CN108180483A (en) * | 2017-12-30 | 2018-06-19 | 佛山市顺智环保科技有限公司 | A kind of environmentally protective garbage combustion device |
| CN207990630U (en) * | 2018-02-05 | 2018-10-19 | 郑州大学第一附属医院 | A kind of hospital refuse processor |
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| CN110173701A (en) | 2019-08-27 |
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Effective date of registration: 20210910 Address after: 418500 Huangbai village, Shuangjiang Town, Tongdao Dong Autonomous County, Huaihua City, Hunan Province (industrial concentration area) Patentee after: Hunan Weiming Environmental Protection Technology Co.,Ltd. Address before: 418500 Huangbai village industrial concentration zone, Shuangjiang Town, Tongdao Dong Autonomous County, Huaihua City, Hunan Province Patentee before: WEIMING HEYI BIOLOGICAL ENVIRONMENTAL PROTECTION Co.,Ltd. |
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Effective date of registration: 20240528 Address after: Room 901, Zone 13, No. 1507 Fanghu Second Road, Huli District, Xiamen City, Fujian Province, 361000 Patentee after: Xiamen Weiming Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 418500 Huangbai village, Shuangjiang Town, Tongdao Dong Autonomous County, Huaihua City, Hunan Province (industrial concentration area) Patentee before: Hunan Weiming Environmental Protection Technology Co.,Ltd. Country or region before: China |