CN111617593A - VOCs air purification device and VOCs purification ball production process - Google Patents
VOCs air purification device and VOCs purification ball production process Download PDFInfo
- Publication number
- CN111617593A CN111617593A CN202010386873.6A CN202010386873A CN111617593A CN 111617593 A CN111617593 A CN 111617593A CN 202010386873 A CN202010386873 A CN 202010386873A CN 111617593 A CN111617593 A CN 111617593A
- Authority
- CN
- China
- Prior art keywords
- purification
- cavity
- purifying
- ball
- vocs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention relates to the field of air purification, and discloses a VOCs air purification device and a VOCs purification ball production process, wherein the VOCs air purification device comprises a purification shell (1), a purification plate (5) is arranged in the purification shell (1), the purification plate (5) is obliquely arranged, the purification plate (5) and the inner wall of the upper part of the purification shell (1) jointly form a purification cavity (10), a purification ball (2) is placed in the purification cavity (10), the purification plate (1) and the inner wall of the lower part of the purification shell (1) form a pretreatment cavity (100), the lower part of the pretreatment cavity (100) is provided with an air inlet (11), the purification plate (5) is provided with a plurality of air holes (51), and the VOCs purification device further comprises an air outlet (12) arranged in the purification cavity (. According to the invention, through the design of the purification cavity and the rotating disc, the purification balls can be fully and uniformly utilized, the secondary purification effect is realized, in addition, the replacement of the purification balls can also be realized, the operation is convenient, and the practicability is strong.
Description
Technical Field
The invention relates to the field of air purification, in particular to a VOCs air purification device and a VOCs purification ball production process.
Background
VOCs waste gas is common industrial waste gas of chemical industry, and the composition is complicated, contains a large amount of organic matters such as: most of the components of hydrocarbons, aldehydes, chlorinated hydrocarbons and the like contain carcinogenic pollutants, and if the pollutants are discharged into the atmosphere without being treated, the pollutants seriously harm the health of human bodies and cause great harm to the environment, so that the requirements on the VOCs tail gas treatment technology are higher and higher, and the tail gas treatment needs to be efficiently completed in limited equipment. The current common industrial VOCs tail gas treatment method comprises the following steps: incineration, plasma purification, activated carbon adsorption, and photocatalysis. However, the above methods cannot solve the problem of removing the acidic substances in the tail gas, so that the treatment of the tail gas containing the VOCs can be efficiently completed by combining the above methods and designing a washing device capable of removing the acidic substances in the tail gas containing the VOCs.
The technical scheme of VOCs tail gas treatment also appears in the prior art, and a Chinese patent with the application number of 201711010027.9 discloses a multistage VOCs tail gas treatment device, and although this technical scheme can carry out slagging-off and absorption to tail gas, this technical scheme can not effectively utilize purifying material, can not realize automatic recovery to purifying material.
Disclosure of Invention
Aiming at the defects that the utilization rate of purification materials is low and the purification materials cannot be automatically recovered and cleaned in the prior art, the invention provides a VOCs air purification device and a production process of VOCs purification balls.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a VOCs air purification device comprises a purification shell, wherein a purification plate is arranged in the purification shell, the purification plate is obliquely arranged, the left end of the purification plate is higher than the right end of the purification plate, the purification plate and the inner wall of the upper part of the purification shell form a purification cavity together, a purification ball is placed in the purification cavity, the VOCs air purification device also comprises a storage cylinder and a waste material cylinder, the storage cylinder is used for storing the purification ball, the lower port of the storage cylinder is inserted into the wall surface of the left end of the purification shell and is communicated with the purification cavity, the upper port of the waste material cylinder is inserted into the wall surface of the right end of the purification shell and is communicated with; the purification board forms the preliminary treatment chamber that is located purification chamber below with purifying casing lower part inner wall, and the lower part in preliminary treatment chamber is equipped with the air inlet and passes through air inlet and pending gaseous intercommunication, is equipped with the gas pocket that a plurality of intercommunications purified chamber and preliminary treatment chamber on the purification board, still including installing the gas outlet in purifying the intracavity.
Preferably, install the rolling disc in the right chamber in the purification chamber, be equipped with the inner chamber in the rolling disc, be equipped with a plurality of first holes with the inner chamber intercommunication on the rolling disc, the inner chamber can be placed and purify the ball.
Preferably, the rotating disc rotates anticlockwise, an opening is formed in the outer ring face of the rotating disc, and the opening wraps a purification ball located in the right cavity of the purification cavity in the rotating process and drives the purification ball to rotate to the left cavity of the purification cavity to pour out.
Preferably, a rotating shaft is fixedly connected to the rotating disc, the rotating shaft is of a hollow structure, one end of the rotating shaft is opened and inserted into the inner cavity, the other end of the rotating shaft extends out of the purifying shell and is connected with a motor, and the air outlet is formed in the other end of the rotating shaft and discharges purified air outwards.
Preferably, the upper surface of the purification plate is provided with a downwardly concave mounting groove, the mounting groove is in the shape of a downwardly concave arc, and the mounting groove is matched with the outer annular surface of the rotating disc.
Preferably, the lower surface of the purification plate is provided with an arc-shaped separation plate extending downwards, and the arc-shaped separation plate is provided with a bamboo charcoal adsorption layer.
Preferably, a fan is arranged in the pretreatment cavity, and the fan blows air upwards and drives the air in the pretreatment cavity to enter the purification cavity through the air hole.
Preferably, the waste container further comprises valves at the lower port of the storage cylinder and the upper port of the waste cylinder.
A production process of VOCs air purification balls comprises the following steps:
1) the purifying ball comprises clay, manganese dioxide, nano Ti02 powder, a foaming agent, bamboo charcoal particles, cerium dioxide and water, and the purifying ball comprises the following components in percentage by weight: clay 10-12%, manganese dioxide 0.1-5%, nano Ti02 powder 0.5%, foaming agent 0.8-5%, bamboo charcoal particles 5-15%, cerium dioxide 0.2-10%, and water 30-60%;
2) adding clay, manganese dioxide, nano Ti02 powder, a foaming agent, bamboo charcoal particles, cerium dioxide and water into a container at room temperature, and mixing and stirring the materials uniformly to form a semisolid and plastic mixture;
3) processing the semi-solid mixture into round mud balls, wherein the diameter of each round mud ball is not more than 2 mm;
4) puncturing the mud ball at the center of the circle by using a 0.1-0.25 mm needle body;
5) calcining the round mud balls with good plasticity at high temperature, heating to 250-20 ℃, and then gradually heating to 300-340 ℃ within 20 min;
6) placing the round mud ball calcined at high temperature in a vacuum chamber for pressing and pressurizing to 3 Kpa-3.5 Kpa;
7) and (3) naturally cooling the round mud ball at normal temperature to form the purification ball 2, wherein the purification ball 2 is formed on the surface.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that: through the design of purifying chamber and rolling disc, can fully utilize the purification ball uniformly, realize the effect of secondary purification, in addition, also can realize the change to purifying the ball, convenient operation, the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural view of the rotary disk and the rotary shaft of fig. 1.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-purifying shell, 2-purifying ball, 3-storage cylinder, 4-waste material cylinder, 5-purifying plate, 6-rotating disc, 7-rotating shaft, 8-fan, 10-purifying cavity, 100-pretreatment cavity, 11-air inlet, 12-air outlet, 51-air hole, 52-mounting groove, 53-arc baffle plate, 531-bamboo charcoal adsorption layer, 60-cavity, 61-first hole, 62-opening, 71-motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A VOCs air purification device comprises a purification shell 1, wherein a purification plate 5 is arranged in the purification shell 1, the purification plate 5 is arranged obliquely, the left end of the purification plate 5 is higher than the right end of the purification plate 5, the purification plate 5 and the inner wall of the upper part of the purification shell 1 jointly form a purification cavity 10, a purification ball 2 is placed in the purification cavity 10, the VOCs air purification device also comprises a storage cylinder 3 and a waste cylinder 4, the storage cylinder 3 is used for storing the purification ball 2, the lower port of the storage cylinder 3 is inserted into the wall surface of the left end of the purification shell 1 and is communicated with the purification cavity 10, the upper port of the waste cylinder 4 is inserted into the wall surface of the right end of the purification shell 1 and is communicated with the purification cavity 10; the purification plate 1 and the inner wall of the lower part of the purification shell 1 form a pretreatment cavity 100 below the purification cavity 10, the lower part of the pretreatment cavity 100 is provided with an air inlet 11 and is communicated with the gas to be treated through the air inlet 11, the purification plate 5 is provided with a plurality of air holes 51 for communicating the purification cavity 10 and the pretreatment cavity 100, and the purification plate further comprises an air outlet 12 arranged in the purification cavity 10.
Install the rolling disc 6 in the right chamber of purification chamber 10, be equipped with inner chamber 60 in the rolling disc 6, be equipped with a plurality of first holes 61 with the inner chamber 60 intercommunication on the rolling disc 6, can place purification ball 2 in the inner chamber 60. The width of rolling disc 6 is less than the width of purifying chamber 10, and the width difference between rolling disc 6 and the purifying chamber is 2 ~ 6 purifying ball 2 diameters.
The rotating disc 6 rotates anticlockwise, an opening 62 is formed in the outer ring face of the rotating disc 6, and the opening 62 wraps the purification ball 2 in the right cavity of the purification cavity 10 in the rotating process and drives the purification ball to rotate to the left cavity of the purification cavity 10 to pour out.
The rotating disc 6 is fixedly connected with a rotating shaft 7, the rotating shaft 7 is of a hollow structure, one end of the rotating shaft 7 is opened and is inserted into the inner cavity 60, the other end of the rotating shaft 7 extends out of the purifying shell 1 and is connected with a motor 71, and the air outlet 12 is arranged at the other end of the rotating shaft 7 and discharges purified air outwards.
Carry new purification ball 2 in to purifying chamber 10 through a storage cylinder 3, purification ball 2 inclines right along purification board 5, the motor drives axis of rotation 7 rotatory, rolling disc 6 rotates the in-process, the purification ball 2 is gone into to opening 62 pocket and drive purification ball 2 rotatory in inner chamber 60, the chamber pours out left again, this in-process stirring has mixed purification ball 2, realize purifying the abundant removal of ball 2 in the chamber 10, also prevent that different purification ball 2's availability factor from differing, make full use of is every purification ball 2, gaseous through preliminary treatment chamber 100, in the pore 51 gets into purification chamber 10, purify by purification ball 2 among the purification chamber 10, discharge via axis of rotation 7 after the purification ball 2 secondary purification among rethread first hole 61 entering inner chamber 60 and the inner chamber 60.
And valves located at the lower end of the cartridge 3 and the upper end of the waste cartridge 4. Through the setting of valve, need not dismantle under the prerequisite of purifying casing 1, just can change purification ball 2 in purifying chamber 10.
Example 2
The same as embodiment 1, except that a mounting groove 52 is formed on the upper surface of the purification plate 5 to be depressed downward, the mounting groove 52 is formed in a circular arc shape depressed downward, and the mounting groove 52 is engaged with the outer circumferential surface of the rotating disk 6.
The lower surface of purification board 5 is equipped with downwardly extending's arc baffler 53, is equipped with the bamboo charcoal adsorbed layer on the arc baffler 53.
Example 3
The same as embodiment 1, except that a fan 8 is installed in the pre-treatment chamber 100, the fan 8 blows air upward and drives the air in the pre-treatment chamber 100 into the purification chamber 10 through the air hole 51.
Example 4
A production process of VOCs air purification balls comprises the following steps:
1) the purifying ball comprises clay, manganese dioxide, nano Ti02 powder, a foaming agent, bamboo charcoal particles, cerium dioxide and water, and the purifying ball comprises the following components in percentage by weight: clay 10-12%, manganese dioxide 0.1-5%, nano Ti02 powder 0.5%, foaming agent 0.8-5%, bamboo charcoal particles 5-15%, cerium dioxide 0.2-10%, and water 30-60%;
2) adding clay, manganese dioxide, nano Ti02 powder, a foaming agent, bamboo charcoal particles, cerium dioxide and water into a container at room temperature, and mixing and stirring the materials uniformly to form a semisolid and plastic mixture;
3) processing the semi-solid mixture into round mud balls, wherein the diameter of each round mud ball is not more than 2 mm;
4) puncturing the mud ball at the center of the circle by using a 0.1-0.25 mm needle body;
5) calcining the round mud balls with good plasticity at high temperature, heating to 250-20 ℃, and then gradually heating to 300-340 ℃ within 20 min;
6) placing the round mud ball calcined at high temperature in a vacuum chamber for pressing and pressurizing to 3 Kpa-3.5 Kpa; and (3) naturally cooling the round mud ball at normal temperature to form the purification ball 2, wherein the purification ball 2 is formed on the surface.
Claims (9)
1. The utility model provides a VOCs air purification device, includes purification casing (1), its characterized in that: the purifying device is characterized in that a purifying plate (5) is arranged in a purifying shell (1), the purifying plate (5) is obliquely arranged, the left end of the purifying plate (5) is higher than the right end of the purifying plate, the purifying plate (5) and the inner wall of the upper part of the purifying shell (1) jointly form a purifying cavity (10), a purifying ball (2) is placed in the purifying cavity (10), the purifying device also comprises a storage cylinder (3) and a waste material cylinder (4) which are used for storing the purifying ball (2), the lower port of the storage cylinder (3) is inserted into the wall surface of the left end of the purifying shell (1) and communicated with the purifying cavity (10), the upper port of the waste material cylinder (4) is inserted into the wall surface of the right end of the purifying shell (1) and communicated with the purifying cavity (10), and the upper port of the; the purification plate (1) and the inner wall of the lower part of the purification shell (1) form a pretreatment cavity (100) below the purification cavity (10), the lower part of the pretreatment cavity (100) is provided with an air inlet (11) and is communicated with a gas to be treated through the air inlet (11), the purification plate (5) is provided with a plurality of air holes (51) for communicating the purification cavity (10) and the pretreatment cavity (100), and the purification plate further comprises an air outlet (12) arranged in the purification cavity (10).
2. A VOCs air purification apparatus as claimed in claim 1, wherein: install rolling disc (6) in the right side chamber in purification chamber (10), be equipped with inner chamber (60) in rolling disc (6), be equipped with a plurality of first hole (61) that communicate with inner chamber (60) on rolling disc (6), can place purification ball (2) in inner chamber (60).
3. A VOCs air purification apparatus as claimed in claim 2, wherein: the rotating disc (6) rotates anticlockwise, an opening (62) is formed in the outer annular surface of the rotating disc (6), and the opening (62) wraps the purification ball (2) located in the right cavity of the purification cavity (10) in the rotating process and drives the purification ball to rotate to the left cavity of the purification cavity (10) and pour out.
4. A VOCs air purification apparatus as claimed in claim 2 or 3, wherein: the rotating disc (6) is fixedly connected with a rotating shaft (7), the rotating shaft (7) is of a hollow structure, one end of the rotating shaft (7) is opened and is inserted into the inner cavity (60), the other end of the rotating shaft (7) extends out of the purifying shell (1) and is connected with a motor (71), and the gas outlet (12) is formed in the other end of the rotating shaft (7) and discharges purified gas outwards.
5. A VOCs air purification apparatus as claimed in claim 1, wherein: the upper surface of the purification plate (5) is provided with a downward sunken installation groove (52), the installation groove (52) is a downward sunken circular arc, and the installation groove (52) is matched with the outer annular surface of the rotating disc (6).
6. A VOCs air purification apparatus as claimed in claim 1, wherein: the lower surface of purification board (5) is equipped with downwardly extending's arc baffler (53), is equipped with the bamboo charcoal adsorbed layer on arc baffler (53).
7. A VOCs air purification apparatus as claimed in claim 1, wherein: the fan (8) is installed in the pretreatment cavity (100), and the fan (8) blows air upwards and drives the air in the pretreatment cavity (100) to enter the purification cavity (10) through the air hole (51).
8. A VOCs air purification apparatus as claimed in claim 1, wherein: and valves positioned on the lower port of the storage cylinder (3) and the upper port of the waste cylinder (4).
9. The process according to claim 1 for producing VOCs air purification balls, wherein the process comprises the following steps: the method comprises the following steps:
1) the purifying ball comprises clay, manganese dioxide, nano Ti02 powder, a foaming agent, bamboo charcoal particles, cerium dioxide and water, and the purifying ball comprises the following components in percentage by weight: clay 10-12%, manganese dioxide 0.1-5%, nano Ti02 powder 0.5%, foaming agent 0.8-5%, bamboo charcoal particles 5-15%, cerium dioxide 0.2-10%, and water 30-60%;
2) adding clay, manganese dioxide, nano Ti02 powder, a foaming agent, bamboo charcoal particles, cerium dioxide and water into a container at room temperature, and mixing and stirring the materials uniformly to form a semisolid and plastic mixture;
3) processing the semi-solid mixture into round mud balls, wherein the diameter of each round mud ball is not more than 2 mm;
4) puncturing the mud ball at the center of the circle by using a 0.1-0.25 mm needle body;
5) calcining the round mud balls with good plasticity at high temperature, heating to 250-20 ℃, and then gradually heating to 300-340 ℃ within 20 min;
6) placing the round mud ball calcined at high temperature in a vacuum chamber for pressing and pressurizing to 3 Kpa-3.5 Kpa;
7) and (3) naturally cooling the round mud ball at normal temperature to form the purification ball (2), wherein the purification ball (2) is formed on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010386873.6A CN111617593A (en) | 2020-05-09 | 2020-05-09 | VOCs air purification device and VOCs purification ball production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010386873.6A CN111617593A (en) | 2020-05-09 | 2020-05-09 | VOCs air purification device and VOCs purification ball production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111617593A true CN111617593A (en) | 2020-09-04 |
Family
ID=72267099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010386873.6A Pending CN111617593A (en) | 2020-05-09 | 2020-05-09 | VOCs air purification device and VOCs purification ball production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111617593A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004033351A (en) * | 2002-07-01 | 2004-02-05 | Actor:Kk | Deodorization powder and granular material |
| CN105716155A (en) * | 2015-08-27 | 2016-06-29 | 胡振强 | Rolling ball cleaner |
| CN107096377A (en) * | 2017-04-21 | 2017-08-29 | 福建皓尔宝新材料科技有限公司 | A kind of air purifying ball |
| CN107321173A (en) * | 2017-05-26 | 2017-11-07 | 国家海洋局第二海洋研究所 | The preparation technology of air cleaning unit and purifying ball |
| CN208340493U (en) * | 2018-05-21 | 2019-01-08 | 同兴环保科技股份有限公司 | A kind of horizontal multi-stage desulfurizer |
| CN209530535U (en) * | 2018-10-31 | 2019-10-25 | 沙洋美众科技有限公司 | A kind of emission-control equipment of heating system |
| CN110711461A (en) * | 2019-09-26 | 2020-01-21 | 张正周 | Waste gas purification equipment for medical waste incinerator and use method thereof |
-
2020
- 2020-05-09 CN CN202010386873.6A patent/CN111617593A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004033351A (en) * | 2002-07-01 | 2004-02-05 | Actor:Kk | Deodorization powder and granular material |
| CN105716155A (en) * | 2015-08-27 | 2016-06-29 | 胡振强 | Rolling ball cleaner |
| CN107096377A (en) * | 2017-04-21 | 2017-08-29 | 福建皓尔宝新材料科技有限公司 | A kind of air purifying ball |
| CN107321173A (en) * | 2017-05-26 | 2017-11-07 | 国家海洋局第二海洋研究所 | The preparation technology of air cleaning unit and purifying ball |
| CN208340493U (en) * | 2018-05-21 | 2019-01-08 | 同兴环保科技股份有限公司 | A kind of horizontal multi-stage desulfurizer |
| CN209530535U (en) * | 2018-10-31 | 2019-10-25 | 沙洋美众科技有限公司 | A kind of emission-control equipment of heating system |
| CN110711461A (en) * | 2019-09-26 | 2020-01-21 | 张正周 | Waste gas purification equipment for medical waste incinerator and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103739104B (en) | System and method for purifying sewage by powdered active carbon | |
| CN108607511B (en) | A kind of industrial waste-gas purifier using waste-gas adsorbant | |
| CN108069501A (en) | A kind of technique for handling organic wastewater | |
| CN102989263A (en) | Efficient radial flow adsorption tower | |
| CN104841227B (en) | A kind of Household Air Purifier and purifying regeneration technique thereof | |
| CN111617593A (en) | VOCs air purification device and VOCs purification ball production process | |
| CN212575961U (en) | VOCs air purification device | |
| CN102179231A (en) | Absorbing agent for separating formaldehyde from air and preparation method thereof | |
| CN211756315U (en) | Take gaseous purification performance's commercial car driver's seat paint spraying device for seat | |
| CN116351239B (en) | Biological deodorization device and biological deodorization method | |
| CN1036177C (en) | Method and apparatus for drying and purifying gas | |
| CN208448984U (en) | A kind of injection workshop flue gas purification device | |
| CN208493708U (en) | A kind of novel absorbent charcoal tower | |
| CN202909603U (en) | Efficient radial-flow adsorption tower | |
| CN109550355A (en) | Rotary-type organic waste gas concentrating machine | |
| CN205461662U (en) | Environment -friendly active carbon absorption tower | |
| CN205517128U (en) | Flue gas adsorbs purification unit | |
| CN205461661U (en) | Plastic processing active carbon adsorption device with dust removal function | |
| CN209662963U (en) | Rotary-type organic waste gas concentrating machine | |
| CN108579411B (en) | Air purification device for printing workshop | |
| CN210302899U (en) | Organic waste gas pretreatment device | |
| CN205886519U (en) | Activated carbon adsorption tower | |
| CN116813094B (en) | Waste gas and waste water centralized treatment device and treatment method thereof | |
| CN203990214U (en) | Wool scouring of wool comprehensive purifying tower | |
| CN111375277A (en) | Portable flue gas desulfurization and denitrification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200904 |