CN114832601A - Industrial waste gas's treatment facility - Google Patents
Industrial waste gas's treatment facility Download PDFInfo
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- CN114832601A CN114832601A CN202210362806.XA CN202210362806A CN114832601A CN 114832601 A CN114832601 A CN 114832601A CN 202210362806 A CN202210362806 A CN 202210362806A CN 114832601 A CN114832601 A CN 114832601A
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- Prior art keywords
- box
- chamber
- liquid
- inlet pipe
- wall
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- 239000007789 gas Substances 0.000 title claims abstract description 39
- 239000002440 industrial waste Substances 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000005406 washing Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000005554 pickling Methods 0.000 claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 22
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 6
- 239000003518 caustics Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002912 waste gas Substances 0.000 description 20
- 239000003517 fume Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic components
-
- 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
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a treatment device of industrial waste gas, which relates to the technical field of industrial waste smoke and comprises a plurality of baffle rings, wherein the baffle rings are in a round platform shape, the lower ports of the baffle rings are respectively connected with the inner wall of a purification box, the baffle rings divide the purification box into an alkali washing chamber, an acid washing chamber and a clean water chamber, and the clean water chamber is positioned at the bottom of the purification box; the gas diffusion box is annular and is connected to the inner wall of the clean water chamber through a first connecting rod, a plurality of gas outlet holes are formed in the lower surface of the gas diffusion box, and a gas inlet pipe penetrating through the side wall of the purification box is connected to the gas diffusion box; the water inlet pipe and the first liquid outlet pipe are respectively arranged on the upper end wall and the lower end wall of the clean water chamber; the rotating rod is rotatably arranged at the bottom of the purifying box and penetrates through the baffle ring; the pickling assembly is arranged in the pickling chamber; the alkaline washing component is arranged in the alkaline washing chamber; the acid washing and alkali washing device has the advantages of being convenient to use, improving the acid washing and alkali washing effects and the like.
Description
Technical Field
The invention relates to the technical field of industrial waste smoke, in particular to a treatment device for industrial waste gas.
Background
Can produce a large amount of waste gas exhaust fumes in the industrial production, because there is the noxious material in the waste gas exhaust fumes, consequently waste gas exhaust fumes need carry out purification treatment before discharging, current purification mode mainly is with waste gas exhaust fumes through the pickling, wash with alkaline the acid-base material in the neutralization waste gas exhaust fumes, and go through water and adsorb the impurity in the waste gas exhaust fumes, but the effect of pickling and alkaline washing is relatively poor in the purification mode of current waste gas exhaust fumes, mainly be the material in the waste gas exhaust fumes and pickle, the time of alkaline washing liquid contact is short, consequently this application has set up a neotype industrial waste gas's treatment facility.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an industrial waste gas treatment device, so as to solve the problems of low cleaning efficiency and poor effect of industrial waste gas and waste gas in the prior art described in the background technology.
In order to solve the above problems, the present invention provides the following technical solutions: an apparatus for treating industrial waste gas comprises
The baffle rings are in a circular truncated cone shape, the lower ports of the baffle rings are respectively connected with the inner wall of the purification box, the baffle rings divide the purification box into an alkali washing chamber, an acid washing chamber and a clean water chamber, and the clean water chamber is positioned at the bottom of the purification box;
the gas diffusion box is annular and is connected to the inner wall of the clean water chamber through a first connecting rod, a plurality of gas outlet holes are formed in the lower surface of the gas diffusion box, and a gas inlet pipe penetrating through the side wall of the purification box is connected to the gas diffusion box;
the water inlet pipe and the first liquid outlet pipe are respectively arranged on the upper end wall and the lower end wall of the clean water chamber;
the rotating rod is rotatably arranged at the bottom of the purifying box and penetrates through the baffle ring;
two second blocking pieces with opposite positions are respectively arranged at positions, corresponding to the upper port of each blocking ring, on the rotating rod, and first blocking pieces are respectively arranged at positions, corresponding to the second blocking pieces, on the inner wall of the upper port of each blocking ring;
The pickling assembly is arranged in the pickling chamber;
and the alkaline washing component is arranged in the alkaline washing chamber.
Preferably, the following components: the pickling assembly comprises
The first liquid guide box is conical and is fixedly sleeved on the rotating rod;
the first spray heads are arranged on the surface of the first liquid guide box and are communicated with the inner cavity of the first liquid guide box;
the first liquid inlet pipe is arranged on the side wall of the pickling chamber;
the first hose is connected with the first liquid inlet pipe and the inner cavity of the first liquid guide box;
and the second liquid outlet pipe is arranged on the side wall of the pickling chamber, and a third electromagnetic valve is arranged on the second liquid outlet pipe.
Preferably: the alkaline washing component comprises
The second liquid guide box is conical and is fixedly sleeved on the rotating rod;
the plurality of second spray heads are arranged on the surface of the second liquid guide box and are communicated with the inner cavity of the second liquid guide box;
the second liquid inlet pipe is arranged on the side wall of the alkali washing chamber;
the second hose is connected with the second liquid inlet pipe and the inner cavity of the second liquid guide box;
and the third liquid outlet pipe is arranged on the side wall of the alkali washing chamber, and a fourth electromagnetic valve is arranged on the third liquid outlet pipe.
Preferably: the bottom of this purifying box is provided with driving motor, and this driving motor's output is connected in the dwang.
Preferably: the one end rotating sleeve that driving motor was kept away from to this dwang is equipped with the holding ring, and this holding ring passes through the inner wall connection of second connecting rod in the purifying box.
Preferably: a first electromagnetic valve is arranged on the water inlet pipe, and a second electromagnetic valve is arranged on the first liquid outlet pipe.
The beneficial effect of adopting above technical scheme is:
according to the device, the second baffle can be driven to rotate for 90 degrees in a reciprocating mode through the rotating rod, the first baffle and the second baffle can be matched to block the pickling chamber and the alkaline washing chamber, the circulation speed of waste gas and waste gas is reduced, the pickling assembly and the alkaline washing assembly can purify the waste gas and the waste gas more sufficiently, and the purification effect can be effectively improved;
in this application transfer pole can drive first drain box, the reciprocal rotation of second drain box, and the spraying effect of first shower nozzle, second shower nozzle that is better, effectual improvement purifying effect.
Drawings
FIG. 1 is a schematic view showing the construction of an apparatus for treating industrial waste gas according to the present invention.
Fig. 2 is a top view of a portion of the components of the present invention.
Wherein: the cleaning device comprises a purification box 10, a water inlet pipe 20, a first electromagnetic valve 21, a first liquid outlet pipe 22, a second electromagnetic valve 23, a gas dispersing box 30, a gas outlet hole 31, a gas inlet pipe 32, a first connecting rod 33, a baffle ring 40, a first baffle 41, a second baffle 42, a pickling assembly 50, a first liquid guide box 51, a first spray head 52, a first hose 53, a first liquid inlet pipe 54, a second liquid outlet pipe 55, a third electromagnetic valve 56, an alkaline cleaning assembly 60, a second liquid guide box 61, a second spray head 62, a second hose 63, a second liquid inlet pipe 64, a third liquid outlet pipe 65, a fourth electromagnetic valve 66, a rotating rod 70, a driving motor 71, a positioning ring 72 and a second connecting rod 73.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to FIGS. 1-2, in the first embodiment, an apparatus for treating industrial waste gas comprises
The baffle rings 40 are in a circular truncated cone shape, the lower ports of the baffle rings are respectively connected with the inner wall of the purifying box 10, the baffle rings 40 divide the purifying box 10 into an alkali washing chamber, an acid washing chamber and a clean water chamber, and the clean water chamber is positioned at the bottom of the purifying box 10;
the gas diffusion box 30 is annular and is connected to the inner wall of the clean water chamber through a first connecting rod 33, a plurality of gas outlet holes 31 are formed in the lower surface of the gas diffusion box 30, and a gas inlet pipe 32 penetrating through the side wall of the purification box 10 is connected to the gas diffusion box 30;
the water inlet pipe 20 and the first liquid outlet pipe 22 are respectively arranged on the upper end wall and the lower end wall of the clean water chamber;
a rotating rod 70 rotatably disposed at the bottom of the purification box 10, wherein the rotating rod 70 penetrates the baffle ring 72;
wherein, two second blocking pieces 42 with opposite positions are respectively arranged at positions on the rotating rod 70 corresponding to the upper port of each blocking ring 72, and first blocking pieces 41 are respectively arranged at positions on the inner wall of the upper port of the blocking ring 72 corresponding to the second blocking pieces 42;
the pickling assembly 50 is arranged in the pickling chamber;
and the alkaline washing assembly 60 is arranged in the alkaline washing chamber.
The present embodiment is implemented as follows:
when the device is used, clear water is injected into a clear water chamber through a water inlet pipe 20, then waste gas and waste smoke enter the clear water chamber through an air inlet pipe 32, a gas diffusion box 30 and an air outlet hole 31 and contact with the clear water, the clear water can adsorb certain impurities, at the moment, a rotating rod 70 can rotate in a 90-degree reciprocating mode, when a first blocking piece 41 and a second blocking piece 42 are overlapped, the waste gas and the waste smoke pass through a blocking ring 40 and enter an acid washing chamber, after a period of time, the first blocking piece 41 and the second blocking piece 42 are staggered, at the moment, the waste smoke cannot pass through the blocking ring 40 in a large amount, an acid washing component carries out acid washing on the waste gas and the waste smoke, then the rotating rod 70 rotates, the acid-washed waste gas and waste smoke enters an alkali washing chamber for alkali washing, and after alkali washing is finished, the waste smoke and waste gas are discharged through a smoke outlet at the upper end of a purification box 10; the rotation of this application dwang 70 can drive second separation blade 42 and rotate, and the upper port that second separation blade 42 cooperation first separation blade 41 can be keeps off ring 40 opens or closes to the flow of control flue gas.
Example two
As an optimization of the first embodiment, the pickling assembly 50 comprises
The first liquid guide box 51 is conical and is fixedly sleeved on the rotating rod 70;
a plurality of first nozzles 52 arranged on the surface of the first liquid guiding box 51 and communicated with the inner cavity of the first liquid guiding box 51;
A first liquid inlet pipe 54 disposed on a side wall of the pickling chamber;
a first hose 53 connecting the first liquid inlet pipe 54 and the inner cavity of the first liquid guide box 51;
and the second liquid outlet pipe 55 is arranged on the side wall of the pickling chamber, and a third electromagnetic valve 56 is arranged on the second liquid outlet pipe 55.
This embodiment is implemented like this, through the first feed liquor pipe 54, the first hose 53 that set up, injects acidizing fluid into first guide box 51, can realize the pickling to waste gas and exhaust fume through first shower nozzle 52 blowout acid mist to first guide box 51 is connected on dwang 70, can follow dwang 70 and rotate, makes the pickling effect obtain promoting.
EXAMPLE III
As an optimization of the first embodiment, the alkaline cleaning component 60 comprises
The second liquid guiding box 61 is conical and is fixedly sleeved on the rotating rod 70;
the plurality of second spray heads 62 are arranged on the surface of the second liquid guide box 61 and are communicated with the inner cavity of the second liquid guide box 61;
a second liquid inlet pipe 64 arranged on the side wall of the alkali washing chamber;
a second hose 63 connecting the second liquid inlet pipe 64 and the inner cavity of the second liquid guiding box 61;
and the third liquid outlet pipe 65 is arranged on the side wall of the alkali washing chamber, and a fourth electromagnetic valve 66 is arranged on the third liquid outlet pipe 65.
This embodiment is implemented like this, through second feed liquor pipe 64, the second hose 63 that sets up, injects lye into in the second liquid guide box 61, can realize the pickling to waste gas exhaust fume through second shower nozzle 62 blowout acid mist to second liquid guide box 61 is connected on dwang 70, can follow dwang 70 and rotate, makes the alkali wash effect obtain promoting.
Example four
As a preferable solution of the first embodiment, the bottom of the purifying box 10 is provided with a driving motor 71, and an output end of the driving motor 71 is connected to the rotating rod 70.
The present embodiment is implemented such that the rotating rod 70 can be driven to rotate by the driving motor 71.
EXAMPLE five
As an optimized solution of the first embodiment, the end of the rotating rod 70 away from the driving motor 71 is rotatably sleeved with a positioning ring 72, and the positioning ring 72 is connected to the inner wall of the purifying box 10 through a second connecting rod 73.
This embodiment is implemented such that the stability of the rotation of the rotating lever 70 can be increased by providing the positioning ring 72 and the second link 73.
EXAMPLE six
As an optimization scheme of the first embodiment, a first electromagnetic valve 21 is disposed on the water inlet pipe 20, and a second electromagnetic valve 23 is disposed on the first liquid outlet pipe 22.
The embodiment is implemented by arranging a first solenoid valve 21 to control the opening and closing of the water inlet pipe 20, and a second solenoid valve 23 to control the opening and closing of the first liquid outlet pipe 22.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept of the present invention, which falls into the protection scope of the present invention.
Claims (6)
1. An industrial waste gas treatment device, characterized in that: comprises that
The baffle rings are in a circular truncated cone shape, the lower ports of the baffle rings are respectively connected with the inner wall of the purification box, the baffle rings divide the purification box into an alkali washing chamber, an acid washing chamber and a clean water chamber, and the clean water chamber is positioned at the bottom of the purification box;
the gas diffusion box is annular and is connected to the inner wall of the clean water chamber through a first connecting rod, a plurality of gas outlet holes are formed in the lower surface of the gas diffusion box, and a gas inlet pipe penetrating through the side wall of the purification box is connected to the gas diffusion box;
the water inlet pipe and the first liquid outlet pipe are respectively arranged on the upper end wall and the lower end wall of the clean water chamber;
the rotating rod is rotatably arranged at the bottom of the purifying box and penetrates through the baffle ring;
two second blocking pieces with opposite positions are respectively arranged at positions, corresponding to the upper port of each blocking ring, on the rotating rod, and first blocking pieces are respectively arranged at positions, corresponding to the second blocking pieces, on the inner wall of the upper port of each blocking ring;
the pickling assembly is arranged in the pickling chamber;
and the alkaline washing component is arranged in the alkaline washing chamber.
2. The industrial waste gas treatment plant according to claim 1, wherein the pickling assembly comprises
The first liquid guide box is conical and is fixedly sleeved on the rotating rod;
The first nozzles are arranged on the surface of the first liquid guide box and communicated with the inner cavity of the first liquid guide box;
the first liquid inlet pipe is arranged on the side wall of the pickling chamber;
the first hose is connected with the first liquid inlet pipe and the inner cavity of the first liquid guide box;
and the second liquid outlet pipe is arranged on the side wall of the pickling chamber, and a third electromagnetic valve is arranged on the second liquid outlet pipe.
3. The apparatus for treating industrial waste gas according to claim 1, wherein the caustic washing module comprises
The second liquid guide box is conical and is fixedly sleeved on the rotating rod;
the plurality of second spray heads are arranged on the surface of the second liquid guide box and are communicated with the inner cavity of the second liquid guide box;
the second liquid inlet pipe is arranged on the side wall of the alkali washing chamber;
the second hose is connected with the second liquid inlet pipe and the inner cavity of the second liquid guide box;
and the third liquid outlet pipe is arranged on the side wall of the alkali washing chamber, and a fourth electromagnetic valve is arranged on the third liquid outlet pipe.
4. The industrial waste gas treatment equipment according to claim 1, wherein the bottom of the purification box is provided with a driving motor, and the output end of the driving motor is connected with the rotating rod.
5. The industrial waste gas treatment equipment according to claim 1, wherein the end of the rotating rod away from the driving motor is rotatably sleeved with a positioning ring, and the positioning ring is connected with the inner wall of the purification box through a second connecting rod.
6. The apparatus of claim 1, wherein the inlet pipe is provided with a first solenoid valve, and the first outlet pipe is provided with a second solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362806.XA CN114832601A (en) | 2022-04-08 | 2022-04-08 | Industrial waste gas's treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362806.XA CN114832601A (en) | 2022-04-08 | 2022-04-08 | Industrial waste gas's treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114832601A true CN114832601A (en) | 2022-08-02 |
Family
ID=82563916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210362806.XA Pending CN114832601A (en) | 2022-04-08 | 2022-04-08 | Industrial waste gas's treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114832601A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984160A (en) * | 2017-05-16 | 2017-07-28 | 张子和 | A kind of environment-friendly type shop equipment waste gas discharge depth purifier |
| CN208032292U (en) * | 2018-01-17 | 2018-11-02 | 常州嘉瑞特环保能源科技有限公司 | Pollutant denitrating system smoke eliminator |
| CN210845842U (en) * | 2019-04-22 | 2020-06-26 | 东莞市创拓信息科技有限公司 | Acid-base waste gas treatment device with high purification efficiency |
| CN214619597U (en) * | 2021-04-23 | 2021-11-05 | 浙江归零环保科技有限公司 | Two combustion chamber structures of useless incineration of danger |
| CN214862308U (en) * | 2021-07-08 | 2021-11-26 | 泰州市凯华柴油发电机组有限公司 | Smoke removing device capable of purifying and discharging smoke |
| CN114234164A (en) * | 2021-11-29 | 2022-03-25 | 安徽安燃节能环保设备有限公司 | Prevent steam generator of slagging-off living beings core section of thick bamboo |
-
2022
- 2022-04-08 CN CN202210362806.XA patent/CN114832601A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984160A (en) * | 2017-05-16 | 2017-07-28 | 张子和 | A kind of environment-friendly type shop equipment waste gas discharge depth purifier |
| CN208032292U (en) * | 2018-01-17 | 2018-11-02 | 常州嘉瑞特环保能源科技有限公司 | Pollutant denitrating system smoke eliminator |
| CN210845842U (en) * | 2019-04-22 | 2020-06-26 | 东莞市创拓信息科技有限公司 | Acid-base waste gas treatment device with high purification efficiency |
| CN214619597U (en) * | 2021-04-23 | 2021-11-05 | 浙江归零环保科技有限公司 | Two combustion chamber structures of useless incineration of danger |
| CN214862308U (en) * | 2021-07-08 | 2021-11-26 | 泰州市凯华柴油发电机组有限公司 | Smoke removing device capable of purifying and discharging smoke |
| CN114234164A (en) * | 2021-11-29 | 2022-03-25 | 安徽安燃节能环保设备有限公司 | Prevent steam generator of slagging-off living beings core section of thick bamboo |
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