CN115228230B - High-efficient desulfurization dust collector of retort tail gas - Google Patents
High-efficient desulfurization dust collector of retort tail gas Download PDFInfo
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- CN115228230B CN115228230B CN202210987972.9A CN202210987972A CN115228230B CN 115228230 B CN115228230 B CN 115228230B CN 202210987972 A CN202210987972 A CN 202210987972A CN 115228230 B CN115228230 B CN 115228230B
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- filtering
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- cover
- rod
- valve
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- 239000000428 dust Substances 0.000 title claims abstract description 15
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 8
- 230000023556 desulfurization Effects 0.000 title claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000001179 sorption measurement Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000003763 carbonization Methods 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/14—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 by absorption
- B01D53/1456—Removing acid 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a high-efficiency desulfurization and dust removal device for tail gas of a carbonization furnace, which belongs to the technical field of tail gas treatment equipment and comprises a first mounting plate filtering mechanism, a transmission mechanism, a second filtering mechanism, an exhaust mechanism and an on-off mechanism. The invention automatically completes the treatment of the tail gas through the first filtering mechanism, the transmission mechanism, the second filtering mechanism, the exhaust mechanism and the on-off mechanism, and the first filtering mechanism, the second filtering mechanism and the exhaust mechanism share the transmission mechanism as a power source, so that the invention has simple structure and convenient operation.
Description
Technical Field
The invention belongs to the technical field of tail gas treatment equipment, and particularly relates to a high-efficiency desulfurization and dust removal device for tail gas of a carbonization furnace.
Background
In the carbonization furnace tail gas treatment dust removal technology, high sulfur content and tail gas with smoke dust can be discharged in the using process of the carbonization furnace, most of the current carbonization furnace tail gas dust removal system is treated by spraying water, but the sulfur content in a sewage mixture generated after liquid adsorption through spraying is insufficient, so that water resource waste is caused, and the purification rate of tail gas is not high in the spraying process, and larger sulfur content and dust particles exist. Aiming at the problems, the invention provides a high-efficiency desulfurization and dust removal device for tail gas of a carbonization furnace.
Disclosure of Invention
Aiming at the technical problems, the invention adopts the following technical scheme: a high-efficiency desulfurization dust-removing device for tail gas of a carbonization furnace comprises a mounting plate, a first filtering mechanism, a transmission mechanism, a second filtering mechanism, an exhaust mechanism and an on-off mechanism.
The first filtering mechanism is arranged on the second filtering mechanism and comprises a filtering barrel and a container for reaction of tail gas and water.
The transmission mechanism is arranged between the first filtering mechanism and the second filtering mechanism and comprises a connecting shaft and a transmission assembly, and the transmission assembly is connected with the on-off mechanism and used for driving the connecting shaft to rotate.
The second filter mechanism comprises an air inlet pipe and a cover, one end of the air inlet pipe is fixedly connected with the filter vat, the other end of the air inlet pipe is fixedly connected with the cover, and the cover is fixedly arranged on the mounting plate and used for filtering air and removing dust.
The exhaust mechanism is arranged on the second filtering mechanism and comprises a box body and an exhaust fan, the exhaust fan is rotatably arranged in the box body, and the exhaust fan is connected with the transmission assembly.
The on-off mechanism is fixedly arranged on the mounting plate and comprises a connecting rod assembly and an on-off valve, the on-off valve is fixedly arranged on an output pipe of the feeding port, and the connecting rod assembly is connected with the on-off valve to control on-off of the on-off valve.
Further, the first filtering mechanism further comprises a feeding hole, the feeding hole is fixedly arranged on the filtering barrel, vortex rotating blades are rotatably arranged in the filtering barrel, and the vortex rotating blades are fixedly connected with the connecting shaft.
Further, the transmission assembly comprises a motor, the motor fixed mounting on the box, motor output shaft on fixed mounting have initiative bevel gear, initiative bevel gear and driven bevel gear meshing cooperation, driven bevel gear pass through the jackshaft and rotate and install on the cover, the jackshaft on rotate and install the one end of belt, the belt other end rotate and install on the connecting axle, the connecting axle rotate and install on the cover.
Further, the second filtering mechanism further comprises an air suction fan blade and a filter cylinder, the air suction fan blade is rotatably arranged on the cover and fixedly connected with the connecting shaft, the filter cylinder is arranged inside the cover, and a control valve is arranged on the cover and is connected with the filter cylinder.
Further, the transmission mechanism also comprises an exhaust transmission belt, one end of the exhaust transmission belt is rotatably arranged on the output shaft of the motor, and the other end of the exhaust transmission belt is rotatably arranged on the exhaust fan.
Further, the exhaust mechanism also comprises an adsorption cylinder, one end of a connecting pipe is fixedly arranged on the adsorption cylinder, the other end of the connecting pipe is fixedly connected with the box body, the pipe at the upper end of the adsorption cylinder is fixedly connected with the on-off valve, and the pipe at the lower end of the adsorption cylinder is fixedly connected with the control valve.
Further, the on-off mechanism also comprises an outer cylinder, the outer cylinder is fixedly arranged on the mounting plate, and a mounting seat is fixedly arranged on the outer cylinder.
Further, the connecting rod assembly include a water receiving section of thick bamboo, a water receiving section of thick bamboo slidable mounting on the guide bar, guide bar fixed mounting on the mounting panel, guide bar and water receiving section of thick bamboo between be provided with reset spring, a water receiving section of thick bamboo on rotate the one end of installing the pendulum rod, the other end of pendulum rod rotate and install on the dwang, the dwang rotate and install on the mount pad, the dwang on rotate and install the one end of dwang, the other end of dwang rotate and install on the connecting block, the connecting block rotate and install on the on-off valve, the connecting block on rotate and install the one end of dwang, dwang and on-off valve sliding fit, dwang other end fixed mounting have the retaining ring.
Compared with the prior art, the invention has the beneficial effects that: (1) The invention automatically completes the treatment of the tail gas through the first filtering mechanism, the transmission mechanism, the second filtering mechanism, the exhaust mechanism and the on-off mechanism; (2) The first filtering mechanism, the second filtering mechanism and the exhaust mechanism share the same power source of the transmission mechanism, so that the structure is simple, and the operation is convenient; (3) The on-off mechanism can effectively control the discharge of the reaction water, and is beneficial to saving water resources.
Drawings
Reference numerals: 1-a mounting plate; 2-a first filtering mechanism; 201-a feed inlet; 202-a filter vat; 203-vortex rotating blades; 3-a transmission mechanism; 301-an electric motor; 302-an exhaust drive belt; 303-a driving conical gear; 304-driven bevel gear; 305-a belt; 306-a connecting shaft; 4-a second filtering mechanism; 401-an air inlet pipe; 402-a cover; 403-air extraction fan blades; 404-a filter cartridge; 405-control valve; 5-an exhaust mechanism; 501-an adsorption cylinder; 502-connecting pipes; 503-a box body; 504-exhaust fan; 6-an on-off mechanism; 601-an outer cylinder; 602-a water receiving cylinder; 603-a guide bar; 604-swinging rod; 605-mount; 606-rotating the lever; 607—push rod; 608-connecting blocks; 609-a rotating block; 610-on-off valve.
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a part of the structure of the filtering mechanism.
Fig. 3 is a schematic diagram of the structure of the transmission mechanism.
Fig. 4 is a schematic diagram of two parts of the structure of the filtering mechanism.
Fig. 5 is a schematic structural view of the exhaust mechanism.
Fig. 6 is a schematic view of a part of the structure of the exhaust mechanism.
Fig. 7 is a schematic diagram of the structure of the on-off mechanism.
Fig. 8 is a schematic view of the partially enlarged structure of fig. 7.
Fig. 9 is a schematic view of a part of the structure of the on-off mechanism.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the present invention, certain elements of the drawings may be omitted, enlarged or reduced in size, and not to represent the actual product size, as it would be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Examples: the high-efficiency desulfurization dust collector of carbonization furnace tail gas as shown in fig. 1-9 comprises a mounting plate 1, a first filtering mechanism 2, a transmission mechanism 3, a second filtering mechanism 4, an exhaust mechanism 5 and an on-off mechanism 6, wherein the first filtering mechanism 2 is arranged on the second filtering mechanism 4, the first filtering mechanism 2 comprises a filter barrel 202 and a container for reaction of tail gas and water, the transmission mechanism 3 is arranged between the first filtering mechanism 2 and the second filtering mechanism 4, the transmission mechanism 3 comprises a connecting shaft 306 and a transmission component, the transmission component is connected with the on-off mechanism 6 and is used for driving the connecting shaft 306 to rotate, the second filtering mechanism 4 comprises an air inlet pipe 401 and a cover 402, one end of the air inlet pipe 401 is fixedly connected with the filter barrel 202, the other end of the air inlet pipe 401 is fixedly connected with the cover 402, the cover 402 is fixedly arranged on the mounting plate 1 and is used for filtering gas and dust removal, the exhaust mechanism 5 is arranged on the second filtering mechanism 4, the exhaust mechanism 5 comprises a box 503 and an exhaust fan 504, the exhaust fan 504 is rotatably arranged in the box 503, the exhaust fan 504 is connected with the transmission component, the on-off mechanism 6 is fixedly arranged on the mounting plate 1, the on the connecting plate 6 comprises a connecting rod component and an on-off valve 610, the on-off valve 610 is fixedly arranged on the connecting rod 201, and a control valve 610.
The first filtering mechanism 2 further comprises a feeding hole 201, the feeding hole 201 is fixedly arranged on the filtering barrel 202, vortex rotating blades 203 are rotatably arranged in the filtering barrel 202, the vortex rotating blades 203 are fixedly connected with a connecting shaft 306, a transmission assembly comprises a motor 301, the motor 301 is fixedly arranged on a box 503, a driving conical gear 303 is fixedly arranged on an output shaft of the motor 301, the driving conical gear 303 is meshed with a driven conical gear 304, the driven conical gear 304 is rotatably arranged on a cover 402 through an intermediate shaft, one end of a belt 305 is rotatably arranged on the intermediate shaft, the other end of the belt 305 is rotatably arranged on the connecting shaft 306, and the connecting shaft 306 is rotatably arranged on the cover 402. During operation, tail gas and water are introduced into the filter vat 202 from the feed inlet 201, the motor 301 is started to drive the driving conical gear 303 to rotate, the driven conical gear 304 and the belt 305 rotate together, the connecting shaft 306 rotatably mounted on the belt 305 rotates, the vortex rotating blades 203 fixedly mounted on the connecting shaft 306 rotate, at the moment, the tail gas in the filter vat 202 is fully contacted with the water, large particles in the tail gas are absorbed into the water, sulfur element in the tail gas is absorbed, and residual unabsorbed gas enters the cover 402 from the air inlet pipe 401.
The second filtering mechanism 4 further comprises an air extraction fan blade 403 and a filtering cylinder 404, the air extraction fan blade 403 is rotatably installed on the cover 402 and fixedly connected with the connecting shaft 306, the filtering cylinder 404 is installed inside the cover 402, and the cover 402 is provided with a control valve 405 and the control valve 405. When the gas enters the cover 402, the rotation of the connecting shaft 306 drives the air extraction fan blade 403 to rotate, agitate the gas, accelerate the absorption of the filter cartridge 404 to the pollutant elements in the gas, fully absorb the dust and harmful elements in the tail gas, and then enter the adsorption cylinder 501 through the control valve 405.
The transmission mechanism 3 further includes an exhaust transmission belt 302, one end of the exhaust transmission belt 302 is rotatably mounted on the output shaft of the motor 301, and the other end is rotatably mounted on the exhaust fan 504.
The exhaust mechanism 5 further comprises an adsorption cylinder 501, one end of a connecting pipe 502 is fixedly arranged on the adsorption cylinder 501, the other end of the connecting pipe 502 is fixedly connected with the box 503, the pipe at the upper end of the adsorption cylinder 501 is fixedly connected with the on-off valve 610, and the pipe at the lower end of the adsorption cylinder is fixedly connected with the control valve 405. The gas entering the adsorption cylinder 501 is the gas which reaches the discharge standard after treatment, and enters the box 503 from the connecting pipe 502, and the motor 301 drives the exhaust transmission belt 302 to rotate when rotating, so that the exhaust fan 504 rotates, and the treated gas is discharged.
The on-off mechanism 6 further comprises an outer cylinder 601, the outer cylinder 601 is fixedly mounted on the mounting plate 1, and a mounting seat 605 is fixedly mounted on the outer cylinder 601.
The connecting rod assembly comprises a water receiving cylinder 602, the water receiving cylinder 602 is slidably mounted on a guide rod 603, the guide rod 603 is fixedly mounted on a mounting plate 1, a reset spring is arranged between the guide rod 603 and the water receiving cylinder 602, one end of a swing rod 604 is rotatably mounted on the water receiving cylinder 602, the other end of the swing rod 604 is rotatably mounted on a rotating rod 606, the rotating rod 606 is rotatably mounted on a mounting seat 605, one end of a push rod 607 is rotatably mounted on the rotating rod 606, the other end of the push rod 607 is rotatably mounted on a connecting block 608, the connecting block 608 is rotatably mounted on an on-off valve 610, one end of a rotating block 609 is rotatably mounted on the connecting block 608, the rotating block 609 is slidably matched with the on-off valve 610, and a check ring is fixedly mounted at the other end of the rotating block 609.
The water reacted in the filter vat 202 enters the adsorption vat 501 through the on-off valve 610 and the pipe above the adsorption vat 501, then falls into the water receiving vat 602 from the hole below the adsorption vat 501, and under the gravity of the water, the water receiving vat 602 slides downwards along the guide rod 603 to drive the swing rod 604 to rotate, the swing rod 604 drives the rotating rod 606 to rotate, at the moment, the push rod 607 rotates along with the rotating rod 606, the rotating block 609 is stirred through the connecting block 608, the check ring on the rotating block 609 can block the on-off valve 610, the water in the feed inlet 201 can not be continuously discharged, and if the water is continuously discharged, the water in the water receiving vat 602 can be manually taken out, so that the time of full absorption of the water and tail gas in the filter vat 202 can be effectively controlled.
Claims (1)
1. The utility model provides a high-efficient desulfurization dust collector of retort tail gas, includes the mounting panel, its characterized in that: the device also comprises a first filtering mechanism, a transmission mechanism, a second filtering mechanism, an exhaust mechanism and an on-off mechanism;
the first filtering mechanism is arranged on the second filtering mechanism and comprises a filtering barrel and a container for reaction of tail gas and water;
the transmission mechanism is arranged between the first filtering mechanism and the second filtering mechanism and comprises a connecting shaft and a transmission assembly, and the transmission assembly is connected with the connecting shaft and used for driving the connecting shaft to rotate;
the second filter mechanism comprises an air inlet pipe and a cover, one end of the air inlet pipe is fixedly connected with the filter barrel, the other end of the air inlet pipe is fixedly connected with the cover, and the cover is fixedly arranged on the mounting plate and is used for filtering air and removing dust;
the exhaust mechanism is arranged on the second filtering mechanism and comprises a box body and an exhaust fan, the exhaust fan is rotatably arranged in the box body, and the exhaust fan is connected with the transmission assembly;
the on-off mechanism is fixedly arranged on the mounting plate and comprises a connecting rod assembly and an on-off valve, and the connecting rod assembly is connected with the on-off valve to control on-off of the on-off valve;
the first filtering mechanism further comprises a feeding hole, the feeding hole is fixedly arranged on the filtering barrel, vortex rotating blades are rotatably arranged in the filtering barrel, and the vortex rotating blades are fixedly connected with the connecting shaft;
the transmission assembly comprises a motor and an exhaust transmission belt, the motor is fixedly arranged on the box body, a driving conical gear is fixedly arranged on an output shaft of the motor, the driving conical gear is meshed and matched with a driven conical gear, the driven conical gear is rotatably arranged on the cover through a middle shaft, one end of a belt is rotatably arranged on the middle shaft, the other end of the belt is rotatably arranged on the connecting shaft, the connecting shaft is rotatably arranged on the cover, one end of the exhaust transmission belt is rotatably arranged on an output shaft of the motor, and the other end of the exhaust transmission belt is rotatably arranged on the exhaust fan;
the second filtering mechanism also comprises an air suction fan blade and a filter cartridge, wherein the air suction fan blade is rotatably arranged on the cover and fixedly connected with the connecting shaft, the filter cartridge is arranged in the cover, and the cover is provided with a control valve;
the exhaust mechanism further comprises an adsorption cylinder, one end of a connecting pipe is fixedly arranged on the adsorption cylinder, the other end of the connecting pipe is fixedly connected with the box body, the pipe at the upper end of the adsorption cylinder is fixedly connected with the on-off valve, and the pipe at the lower end of the adsorption cylinder is fixedly connected with the control valve;
the on-off mechanism further comprises an outer cylinder, the outer cylinder is fixedly arranged on the mounting plate, and a mounting seat is fixedly arranged on the outer cylinder;
the connecting rod assembly comprises a water receiving cylinder, the water receiving cylinder is slidably mounted on a guide rod, the guide rod is fixedly mounted on a mounting plate, a reset spring is arranged between the guide rod and the water receiving cylinder, one end of a swing rod is rotatably mounted on the water receiving cylinder, the other end of the swing rod is rotatably mounted on a rotating rod, the rotating rod is rotatably mounted on a mounting seat, one end of a pushing rod is rotatably mounted on the rotating rod, the other end of the pushing rod is rotatably mounted on a connecting block, the connecting block is rotatably mounted on a switching-on valve, one end of a rotating block is rotatably mounted on the connecting block, the rotating block is in sliding fit with the switching-on valve, and a check ring is fixedly mounted at the other end of the rotating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210987972.9A CN115228230B (en) | 2022-08-17 | 2022-08-17 | High-efficient desulfurization dust collector of retort tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210987972.9A CN115228230B (en) | 2022-08-17 | 2022-08-17 | High-efficient desulfurization dust collector of retort tail gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115228230A CN115228230A (en) | 2022-10-25 |
| CN115228230B true CN115228230B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210987972.9A Active CN115228230B (en) | 2022-08-17 | 2022-08-17 | High-efficient desulfurization dust collector of retort tail gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN115228230B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055232A (en) * | 1998-08-06 | 2000-02-22 | Kubota Corp | Safety device of emergency cutoff valve |
| JP2010190160A (en) * | 2009-02-19 | 2010-09-02 | Comotec Corp | Exhaust emission control device for internal combustion engine |
| CN212933018U (en) * | 2020-08-20 | 2021-04-09 | 中为(江苏)城建设计有限公司 | Rainfall induction device |
| CN214833104U (en) * | 2021-06-23 | 2021-11-23 | 安徽兴安电气设备股份有限公司 | Integrated intelligent pump room flood-proof device |
| CN215012243U (en) * | 2021-06-17 | 2021-12-07 | 河北省农林科学院农业信息与经济研究所 | Agricultural field crops cultivation irrigation equipment |
| CN216367280U (en) * | 2021-12-10 | 2022-04-26 | 陕西安信显像管循环处理应用有限公司 | Tail gas treatment device for electronic waste treatment |
| WO2022120729A1 (en) * | 2020-12-07 | 2022-06-16 | 亚楠(南京)环保科技有限公司 | Vocs waste gas filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11466708B2 (en) * | 2020-04-24 | 2022-10-11 | Yan-Yuh Chen | Automatic water handling device of air compressor |
-
2022
- 2022-08-17 CN CN202210987972.9A patent/CN115228230B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055232A (en) * | 1998-08-06 | 2000-02-22 | Kubota Corp | Safety device of emergency cutoff valve |
| JP2010190160A (en) * | 2009-02-19 | 2010-09-02 | Comotec Corp | Exhaust emission control device for internal combustion engine |
| CN212933018U (en) * | 2020-08-20 | 2021-04-09 | 中为(江苏)城建设计有限公司 | Rainfall induction device |
| WO2022120729A1 (en) * | 2020-12-07 | 2022-06-16 | 亚楠(南京)环保科技有限公司 | Vocs waste gas filter |
| CN215012243U (en) * | 2021-06-17 | 2021-12-07 | 河北省农林科学院农业信息与经济研究所 | Agricultural field crops cultivation irrigation equipment |
| CN214833104U (en) * | 2021-06-23 | 2021-11-23 | 安徽兴安电气设备股份有限公司 | Integrated intelligent pump room flood-proof device |
| CN216367280U (en) * | 2021-12-10 | 2022-04-26 | 陕西安信显像管循环处理应用有限公司 | Tail gas treatment device for electronic waste treatment |
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| CN115228230A (en) | 2022-10-25 |
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Effective date of registration: 20240318 Address after: 423000 Xinjing Coal Mine, Gangjiao Village, Qifengdu Town, Suxian District, Chenzhou City, Hunan Province Applicant after: Hunan Lanyan Biotechnology Co.,Ltd. Country or region after: China Address before: No. 503, Dongyue Building, the middle section of Aokema Avenue, Jiehu Street, Yinan County, Jinan, Shandong 276300 Applicant before: Linyi Shunchi Ecological Technology Co.,Ltd. Country or region before: China |
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