CN109277210B - Novel VOCs waste gas dry-type pretreatment system equipment - Google Patents
Novel VOCs waste gas dry-type pretreatment system equipment Download PDFInfo
- Publication number
- CN109277210B CN109277210B CN201811268583.0A CN201811268583A CN109277210B CN 109277210 B CN109277210 B CN 109277210B CN 201811268583 A CN201811268583 A CN 201811268583A CN 109277210 B CN109277210 B CN 109277210B
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- Prior art keywords
- shell
- flow guide
- cyclone separator
- conical
- centrifugal separation
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- 239000002912 waste gas Substances 0.000 title claims abstract description 25
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims abstract description 35
- 239000000428 dust Substances 0.000 claims abstract description 25
- 238000002203 pretreatment Methods 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 17
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007124 photooxygenation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/08—Centrifuges for separating predominantly gaseous mixtures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
- B04C5/185—Dust collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/24—Multiple arrangement thereof
- B04C5/26—Multiple arrangement thereof for series flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
Landscapes
- Cyclones (AREA)
Abstract
The invention belongs to the technical field of environmental protection equipment, and particularly relates to novel VOCs waste gas dry-type pre-treatment system equipment, which comprises a shell, a centrifugal separation head and a liner, wherein the centrifugal separation head and the liner are arranged in the middle of the shell, an upper cyclone separator is arranged on the upper part of the shell, a lower cyclone separator is arranged on the lower part of the shell, and a dirty liquid dust collecting box is arranged at the bottom of the shell, the top of the shell is provided with an air outlet, the centrifugal separation head is a spiral channel, the centrifugal separation head is provided with an air inlet, the centrifugal separation head is sleeved outside the liner, and the lower cyclone separator is connected with the dirty liquid dust collecting box in a matched manner. Compared with the prior art, the invention has the beneficial effects that: the invention has high separation efficiency, small equipment investment, low operation cost, safe process, small occupied area, suitability for high temperature and various special working conditions, and convenient maintenance and can realize the full separation of the gaseous, liquid and solid particle mixture.
Description
Technical Field
The invention belongs to the technical field of environmental protection equipment, and particularly relates to novel VOCs waste gas dry-type pre-treatment system equipment.
Background
VOCs waste gas pretreatment is an important link for ensuring normal operation of subsequent main equipment, and whether VOCs waste gas pretreatment can meet the requirements of main VOCS treatment equipment (activated carbon, photooxygenation and plasma) directly influences the VOCS post-treatment effect and directly relates to waste gas standard emission.
There are two types of pretreatment methods for VOCs waste gas in common use at present: 1. wet (degreasing, dewatering, dust removal); 2. dry processes (filter felt, cotton, mesh), both of which have significant drawbacks: the wet method has large volume, large investment and high cost, and increases the treatment work of a pollutant water source; dry process (filter felt, cotton, mesh), high resistance, low efficiency, very easy blockage, need frequent maintenance and cleaning and replacement, and is not favored by most users due to the high maintenance workload and low efficiency. Relatively good equipment and modes can not be found on the current VOCS dry pre-processing equipment in China.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a novel technical scheme of VOCs waste gas dry-type pre-treatment system equipment.
A novel VOCs waste gas dry-type pretreatment systems equipment, its characterized in that include the casing, set up centrifugal separation head and inner bag in the casing middle part, set up cyclone on casing upper portion, set up cyclone and set up the dirty liquid dust collecting box in the casing bottom in the lower cyclone of casing lower part, the gas outlet is seted up at the top of casing, centrifugal separation head is the heliciform passageway, centrifugal separation head is equipped with the air inlet, centrifugal separation headgear is established outside the inner bag, cyclone is connected with dirty liquid dust collecting box cooperation down.
The novel VOCs waste gas dry-type pre-treatment system equipment is characterized in that the upper cyclone separator comprises a first circular support, a first conical guide cap arranged in the first circular support and a plurality of first guide vanes arranged between the first circular support and the first conical guide cap in a surrounding mode, wherein the plurality of first guide vanes form a conical surface, and the conical part of the first conical guide cap faces downwards.
The novel VOCs waste gas dry-type pre-treatment system device is characterized in that an upper cylinder wall is fixedly connected between the inner container and the first circular support.
The liquid flow collecting tank is arranged between the upper cylinder wall and the shell, the liquid flow port is communicated with the liquid flow collecting tank, the lower end of the liquid flow collecting tank is connected with the guide pipe in a matched mode, and the guide pipe is connected with the sewage dust collecting tank in a matched mode.
The novel VOCs waste gas dry-type pre-treatment system equipment is characterized in that the lower cyclone separator comprises a second circular support, a second conical guide cap and a plurality of second guide vanes, wherein the second conical guide cap is arranged in the second circular support, the second guide vanes are annularly arranged between the second circular support and the second conical guide cap, the plurality of second guide vanes form a conical surface, and the conical part of the second conical guide cap faces upwards.
The novel VOCs waste gas dry-type pre-treatment system device is characterized in that a drawing groove is formed in the dirty liquid dust collecting box.
The novel VOCs waste gas dry-type pre-treatment system device is characterized in that a one-way valve is arranged between the dirty liquid dust collecting box and the lower cyclone separator.
The novel VOCs waste gas dry-type pre-treatment system device is characterized in that the inner container is provided with a filtering wall.
The novel VOCs waste gas dry-type pre-treatment system equipment is characterized in that the lower end of the shell is connected with supporting legs.
Compared with the prior art, the invention has the beneficial effects that: the invention has high separation efficiency, small equipment investment, low operation cost, safe process, small occupied area, suitability for high temperature and various special working conditions, and convenient maintenance and can realize the full separation of the gaseous, liquid and solid particle mixture. The equipment effectively solves the problems of low collection efficiency and large resistance of the current VOCS dry pre-treatment equipment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic diagram of an upcyclone separator according to the present invention;
Fig. 5 is a schematic diagram of the structure of the lower cyclone separator in the present invention.
In the figure: 1a shell, 2 a centrifugal separation head, 3a liner, 4 an upper cyclone separator, 5 a lower cyclone separator, 6a dirty liquid dust collection box, 7 an upper cylinder wall, 8 a flow guide pipe, 9 a drawing groove, 10 a supporting leg and 11 a liquid flow collection groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a novel device for a dry pretreatment system for VOCs waste gas comprises a housing 1, a centrifugal separation head 2 and a liner 3 arranged in the middle of the housing 1, an upper cyclone 4 arranged on the upper part of the housing 1, a lower cyclone 5 arranged on the lower part of the housing 1, a dirty liquid dust collection box 6 arranged on the bottom of the housing 1, and a support leg 10 fixedly connected to the lower end of the housing 1.
The top of the shell 1 is provided with an air outlet 100, the air outlet 100 is communicated with an air outlet pipe, the air outlet pipe is connected with a fan, the centrifugal separation head 2 is a spiral channel with an air inlet 200, the inner container 3 is provided with a filtering wall, the inner container 3 is arranged inside the shell 1, and the centrifugal separation head 2 is sleeved outside the inner container 3.
The upper cyclone separator 4 comprises a first circular bracket 400, a first conical guide cap 401 arranged in the first circular bracket 400, and a plurality of first guide vanes 402 annularly arranged between the first circular bracket 400 and the first conical guide cap 401, wherein the plurality of first guide vanes 402 form a conical surface, and the conical part of the first conical guide cap 401 faces downwards.
The inner container 3 is fixedly connected with the upper cylinder wall 7 between the first circular support 400, a liquid flow port is arranged between the lower end of the first guide vane 402 and the upper end of the upper cylinder wall 7, a liquid flow collecting tank 11 is arranged between the upper cylinder wall 7 and the shell 1, the liquid flow port is communicated with the liquid flow collecting tank 11, the lower end of the liquid flow collecting tank 11 is matched and connected with a guide pipe 8, and the guide pipe 8 is matched and connected with a dirty liquid dust collecting box 6.
The lower cyclone separator 5 is similar to the upper cyclone separator 4 in structure, and the lower cyclone separator 5 comprises a second circular bracket 500, a second conical guide cap 501 arranged in the second circular bracket 500, and a plurality of second guide vanes 502 annularly arranged between the second circular bracket 500 and the second conical guide cap 501, wherein the plurality of second guide vanes 502 form a conical surface, and the conical part of the second conical guide cap 501 faces upwards.
The lower cyclone separator 5 is connected with the dirty liquid dust collecting box 6 in a matched mode, a one-way valve is arranged between the lower cyclone separator and the dirty liquid dust collecting box, a drawing groove 9 is arranged in the dirty liquid dust collecting box 6, and the drawing groove 9 is convenient for pouring the collected dirty liquid dust.
VOCS waste gas enters the centrifugal separation head 2 from the air inlet 200 under the suction effect of a fan, firstly rotates in a spiral channel in the centrifugal separation head 2, large particle dust, oil mist and liquid drops with the particle size of more than 10um are effectively thrown to the wall under the effect of high-speed centrifugal force, spirally move downwards, collide at high speed and are condensed into larger particle groups (aerosol, ions and molecular groups) through friction, when the VOCS waste gas passes through the lower cyclone separator 5, the flow speed of the air flow is suddenly reduced, the flow direction is changed, the larger particle groups are separated from the air under the effect of gravity and inertia force, the larger particle groups are separated from the air, and are deposited into the dirty liquid dust collection box 6 from a gap between the second guide blades 502, small particles and the air enter the middle cavity and the upper cavity of the shell through the inner liner 3, the upper cyclone separator 4 performs three-stage separation, the first guide blades 402 further separate the small particle groups with the air with the particle size of less than 10um, the purified air leaves from the air outlet 100, the small particle groups enter the liquid flow collection groove 11 from the liquid flow port, and are absorbed by the dirty liquid dust collection box 6 through the guide pipe 8.
The novel VOCs waste gas dry-type pre-treatment system equipment comprises three-stage separation, wherein a one-way valve is arranged in a dirty liquid dust collecting box 6, so that collected particles can be prevented from flying away from the collecting box. The separated liquid water is effectively collected into a liquid flow collecting tank. The device provided by the invention has good separation effect on the separation working conditions of various gaseous, liquid and solid particle mixtures such as dust, oil mist, liquid gas and the like, and the separation efficiency is more than 90%. The separation technology not only optimizes and utilizes the centrifugal force separation technology of the cyclone, but also designs a high-efficiency three-stage separation and collection system and an effective collection mode after separation according to the particle characteristics of the liquid-gas-solid mixed fluid, and has the advantages of various separation technologies.
The technical characteristics are as follows: high separation efficiency (more than 90 percent of particles with the diameter of more than 10um and more than 80 percent of particles with the diameter of 5um to 10 um), low equipment investment, low operation cost (no power and little pressure loss), safe process, small occupied area, suitability for high temperature and various special working conditions, special anti-adhesion materials and processes, and convenient maintenance for all-round separation of gaseous, liquid and solid particle mixtures.
The equipment effectively solves the problems of low collection efficiency and large resistance of the current VOCs dry pre-treatment equipment, and has good market prospect and technical advantage.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The novel VOCs waste gas dry-type pre-treatment system device is characterized by comprising a shell (1), a centrifugal separation head (2) and a liner (3) which are arranged in the middle of the shell (1), an upper cyclone separator (4) arranged on the upper part of the shell (1), a lower cyclone separator (5) arranged on the lower part of the shell (1) and a dirty liquid dust collecting box (6) arranged at the bottom of the shell (1), wherein an air outlet (100) is formed in the top of the shell (1), the centrifugal separation head (2) is a spiral channel, the centrifugal separation head (2) is provided with an air inlet (200), the centrifugal separation head (2) is sleeved outside the liner (3), and the lower cyclone separator (5) is connected with the dirty liquid dust collecting box (6) in a matched manner;
The upper cyclone separator (4) comprises a first circular support (400), a first conical flow guide cap (401) arranged in the first circular support (400) and a plurality of first flow guide blades (402) annularly arranged between the first circular support (400) and the first conical flow guide cap (401), the plurality of first flow guide blades (402) form a conical surface, the conical part of the first conical flow guide cap (401) faces downwards, an upper cylinder wall (7) is fixedly connected between the liner (3) and the first circular support (400), a liquid flow port is arranged between the lower end of the first flow guide blade (402) and the upper end of the upper cylinder wall (7), a liquid flow collecting groove (11) is arranged between the upper cylinder wall (7) and the shell (1), the liquid flow port is communicated with the liquid flow collecting groove (11), the lower end of the liquid flow collecting groove (11) is connected with a flow guide pipe (8), and the flow guide pipe (8) is connected with a sewage dust collecting box (6) in a matched mode;
the lower cyclone separator (5) comprises a second circular support (500), a second conical flow guide cap (501) arranged in the second circular support (500) and a plurality of second flow guide blades (502) arranged between the second circular support (500) and the second conical flow guide cap (501) in a surrounding mode, wherein the plurality of second flow guide blades (502) form a conical surface, and the conical part of the second conical flow guide cap (501) faces upwards.
2. The novel VOCs waste gas dry pretreatment system device according to claim 1, wherein a drawing groove (9) is arranged in the dirty liquid dust collecting box (6).
3. The novel VOCs waste gas dry pre-treatment system device according to claim 1, wherein a one-way valve is arranged between the dirty liquid dust collecting box (6) and the lower cyclone separator (5).
4. A novel VOCs off-gas dry pretreatment system according to claim 1, characterized in that said inner container (3) has a filter wall.
5. The novel VOCs waste gas dry pre-treatment system device according to claim 1, wherein the lower end of the shell (1) is fixedly connected with a supporting leg (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268583.0A CN109277210B (en) | 2018-10-29 | 2018-10-29 | Novel VOCs waste gas dry-type pretreatment system equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268583.0A CN109277210B (en) | 2018-10-29 | 2018-10-29 | Novel VOCs waste gas dry-type pretreatment system equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277210A CN109277210A (en) | 2019-01-29 |
| CN109277210B true CN109277210B (en) | 2024-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811268583.0A Active CN109277210B (en) | 2018-10-29 | 2018-10-29 | Novel VOCs waste gas dry-type pretreatment system equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN109277210B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4084884A4 (en) * | 2019-12-31 | 2024-03-06 | Ravands Controls LLP | CYCLONIC SAND FILTER |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190543B1 (en) * | 1996-06-05 | 2001-02-20 | Kvaerner Process Systems A.S. | Cyclonic separator |
| CN103286010A (en) * | 2013-05-22 | 2013-09-11 | 江苏新中环保股份有限公司 | Isolation device in cyclone dust remover |
| CN205031987U (en) * | 2015-10-15 | 2016-02-17 | 中冶京诚工程技术有限公司 | Dust Settling Tower |
| CN209271703U (en) * | 2018-10-29 | 2019-08-20 | 杭州康利维环保科技有限公司 | A kind of novel VOCs exhaust gas dry type pre-processing system equipment |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1146262A (en) * | 1966-05-23 | 1969-03-26 | Gen Electric | Apparatus for removing entrained particles from a vapor or a gas |
| CN2413795Y (en) * | 1999-12-02 | 2001-01-10 | 中国环球新技术进出口有限公司哈尔滨分公司 | Cyclone dust remover |
| CN2425711Y (en) * | 2000-04-26 | 2001-04-04 | 俞方如 | Fine powder separator |
| ATE317661T1 (en) * | 2000-07-06 | 2006-03-15 | John Herbert North | IMPROVED DUST/PARTICLE COLLECTION DEVICE FOR CYCLONE SEPARATORS |
| RU2287375C1 (en) * | 2005-06-20 | 2006-11-20 | Государственное образовательное учреждение высшего профессионального образования "Томский государственный архитектурно-строительный университет" (ГОУВПО "ТГАСУ") | Dust trap |
| KR101137102B1 (en) * | 2009-07-20 | 2012-04-19 | 경상대학교산학협력단 | Cyclon Separator |
| RU2459653C1 (en) * | 2011-05-10 | 2012-08-27 | Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) | Gas cleaner |
| KR20140136660A (en) * | 2013-05-21 | 2014-12-01 | 유명기 | Roving Centrifugation Type Dust Collector |
| CN105642024B (en) * | 2016-03-18 | 2018-06-29 | 上海交通大学 | A kind of eddy flow-racemization coupling high-effective dust-removing demisting component |
| CN206549853U (en) * | 2017-02-24 | 2017-10-13 | 宁波神通模塑有限公司 | A kind of cyclone separator |
| CN108043118A (en) * | 2017-12-06 | 2018-05-18 | 中冶京诚工程技术有限公司 | Double cyclone dust and mist eliminator |
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2018
- 2018-10-29 CN CN201811268583.0A patent/CN109277210B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190543B1 (en) * | 1996-06-05 | 2001-02-20 | Kvaerner Process Systems A.S. | Cyclonic separator |
| CN103286010A (en) * | 2013-05-22 | 2013-09-11 | 江苏新中环保股份有限公司 | Isolation device in cyclone dust remover |
| CN205031987U (en) * | 2015-10-15 | 2016-02-17 | 中冶京诚工程技术有限公司 | Dust Settling Tower |
| CN209271703U (en) * | 2018-10-29 | 2019-08-20 | 杭州康利维环保科技有限公司 | A kind of novel VOCs exhaust gas dry type pre-processing system equipment |
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| CN109277210A (en) | 2019-01-29 |
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Inventor after: Chen Jianming Inventor after: Shi Dongjin Inventor after: Yang Yufeng Inventor after: Dong Qingyun Inventor after: Luo Hua Inventor before: Chen Jianming Inventor before: Shi Dongjin Inventor before: Yang Yufeng Inventor before: Dong Qingyun Inventor before: Luo Hua |
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