CN109453590A - A kind of washing tail gas device - Google Patents
A kind of washing tail gas device Download PDFInfo
- Publication number
- CN109453590A CN109453590A CN201811638807.2A CN201811638807A CN109453590A CN 109453590 A CN109453590 A CN 109453590A CN 201811638807 A CN201811638807 A CN 201811638807A CN 109453590 A CN109453590 A CN 109453590A
- Authority
- CN
- China
- Prior art keywords
- layer
- tail gas
- demister
- cleaning solution
- dust
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A kind of washing tail gas device, including dust washing device, cleaning solution circulating slot and process condensate storage tank, offgas outlet is arranged in the top of dust washing device, the liquid outlet being connected with cleaning solution circulating slot is arranged in bottom, demister layer and packing layer are set gradually from top to bottom along dust washing device, are located at below packing layer on the dust washing device and are provided with gas feed；Demister layer is upper and lower two layers, is respectively provided with the upper Flushing nozzle being connected with process condensate storage tank below upper and lower two layers of demister layer, is respectively provided with lower Flushing nozzle above lower layer's demister layer and packing layer；Lower Flushing nozzle above lower layer's demister layer is connected with process condensate storage tank.The present apparatus can effectively wash the tail gas containing dust.
Description
Technical field
The invention belongs to tail gas disposal technique field more particularly to a kind of washing tail gas devices.
Background technique
Two branch company's granular urea of Henan Jinkai Chemical Investment Holding Group Co., Ltd. be designed as 400,000 tons/
Year, since exhaust scrubber device puts into operation, exhaust emissions visually allows of no optimist, color burnt hair, obfuscation！According to former operating condition,
Dust emission situation and requirement, and in the live actual measurement of progress on July 25th, 2016, measurement data is as follows:
9:40 measurement data are as follows: 82.42mg/M3、99.02mg/M3、98.31mg/M3、90.42mg/M3；
11:40 measurement data are as follows: 80.86mg/M3、98.82mg/M3、99.56mg/M3、90.28mg/M3；
Comprehensive average measurement value are as follows: 92.46mg/M3.It it is clearly visible urea bulky grain device exhaust tube on 310 national highways smolders and drag
Tail is larger, seriously affects company's environmental requirement but also polluted surrounding enviroment！According to the requirement of national environmental protection policy, and in order to
Increase economic benefit, improves surrounding enviroment, while creating an excellent, harmonious production environment for company, by serious analysis
Research, multi-party investigation, decision improve bulky grain washing tail gas device.
Summary of the invention
The purpose of the present invention is to provide a kind of washing tail gas devices.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of washing tail gas device, including dust washing device, cleaning solution circulating slot and process condensate storage tank, dust washing device
Offgas outlet is arranged in top, and the liquid outlet being connected with cleaning solution circulating slot is arranged in bottom, from top to bottom along dust washing device
Demister layer and packing layer are set gradually, is located at below packing layer on the dust washing device and is provided with gas feed；It is described to remove
Foam device layer is upper and lower two layers, is respectively provided with the upper flushing being connected with process condensate storage tank below upper and lower two layers of demister layer
Spray head is respectively provided with lower Flushing nozzle above lower layer's demister layer and packing layer；Lower flushing above lower layer's demister layer
Spray head is connected with process condensate storage tank, and the lower Flushing nozzle above packing layer passes through circulating pump and cleaning solution circulating slot
It is connected；Absorbed layer is set above described filler layer, three layers of water curtain are set inside washer and absorb distribution grids, the absorbed layer and
Water curtain absorbs distribution grid and is made of absorptive unit, and the absorptive unit is by braced frame and the structured wire in braced frame
Stratum reticulare composition, the absorptive unit that adjacent water curtain absorbs on distribution grid are arranged in a staggered manner.
Gas distributor is arranged in the gas inlet, and gas distributor includes the gas guiding that gas inlet is arranged in
Plate, the crossbeam being arranged in inside dust washing device, the distribution silk screen water curtain wall being obliquely installed and be vertically arranged to crossbeam and point
One group of baffle between cloth silk screen water curtain wall；Setting pre-washes spray equipment in the admission line connecting with gas feed, described
The inlet of showering washing device is connected to cleaning solution circulating slot.
Regular silk screen layer with a thickness of 50mm, porosity 78.6%.
Filter is set between the circulating pump and cleaning solution circulating slot.
The demister layer, packing layer and dust washing device bottom are respectively provided with pressure indicator.
Sample tap is set on the pipeline that the lower Flushing nozzle being located above packing layer is connect with circulating pump.
The pipe outlet of the top setting connection urine storage tank of the cleaning solution circulating slot and supplement condensate liquid import, condensation
Liquid import is connect by pipeline with process condensate storage tank.
Compared with prior art, the positive effect of the present invention is:
1, the carbamide dust gas for entering dust washing device is recycled by washer circulating pump with thin urine and is washed by the present apparatus, into one
Step removes carbamide dust, and the air after washing drains into empty clinder emptying, urea of dropping a hint by the air-introduced machine being arranged at the top of washer
Dust content is lower than 30mg/m3(butt), circulating cleaning solution flow to washer circulating slot, when concentration reaches 45%, are then pumped to
The recycling of urine storage tank；Tail gas content measurement value is 14.00-18.84mg/m3, average value is 16.13 mg/m3！Tail gas color is no longer
Burnt hair, obfuscation, but it is rendered as white states (caused by containing water vapor)；
2, setting clear water washs at the top of washer, and washing is more thorough, and setting water curtain absorbs distribution grid, dropping liq can be made to infiltrate
Baffle forms and absorbs water curtain, so that gas and the abundant wetting contact of liquid, increase assimilation effect；Three layers of water curtain absorb distribution
The water curtain absorptive unit of plate is staggeredly arranged, and can reduce resistance, promotes air agitation, further increases the absorption of gas and absorbing liquid
Time improves assimilation effect；
3, increase absorbed layer on packing layer, on the one hand gas is evenly distributed in tower, on the other hand increase assimilation effect.It will
Porosity is set as 78.6%, and specific surface area is about 273m2/m3；The washing effect of dust can be further increased, carbamide dust is improved
Assimilation effect, tail gas dust entrainment is effectively reduced.
Detailed description of the invention
Fig. 1 the device of the invention structural schematic diagram；
The structural schematic diagram of absorptive unit in Fig. 2 apparatus of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
A kind of washing tail gas device as shown in Figure 1, including dust washing device 1, cleaning solution circulating slot 2 and process condensate
Offgas outlet is arranged in storage tank 3, the top of dust washing device 1, and the liquid outlet being connected with cleaning solution circulating slot 2 is arranged in bottom,
Demister layer 11 and packing layer 12 are set gradually from top to bottom along dust washing device 1, are located at packing layer on the dust washing device 1
12 lower sections are provided with gas feed；The demister layer 11 is upper and lower two layers, and the lower section of upper and lower two layers of demister layer 11 is all provided with
Set the upper Flushing nozzle 31 being connected with process condensate storage tank 3, the top of lower layer's demister layer 11 and packing layer 12 is respectively provided with
Lower Flushing nozzle 32；Lower Flushing nozzle 32 above lower layer's demister layer 11 is connected with process condensate storage tank 3, is located at
The lower Flushing nozzle 32 of 12 top of packing layer is connected by circulating pump with cleaning solution circulating slot 2；Setting above described filler layer
Absorbed layer 4, three layers of water curtain of setting absorb distribution grids 13 inside dust washing device 1, and the absorbed layer 4 and water curtain absorb distribution grid 13
It is made of absorptive unit, the absorptive unit is by braced frame 132 and the regular silk screen layer 131 in braced frame 132
Composition, the absorptive unit that adjacent water curtain absorbs on distribution grid 13 are arranged in a staggered manner.Gas distributor is set at the gas feed 14,
Gas distributor includes the crossbeam that gas guide plate 141 at gas feed 14 is arranged in, is arranged in inside dust washing device 1
143, it the distribution silk screen water curtain wall 142 that is obliquely installed and is vertically arranged between crossbeam 143 and distribution silk screen water curtain wall 142
One group of baffle 144；Setting pre-washes spray equipment 10, the showering washing device in the admission line connecting with gas feed 14
10 inlet is connected to cleaning solution circulating slot 2.Regular silk screen layer 131 with a thickness of 50mm, porosity 78.6%
Filter 5 is set between the circulating pump and cleaning solution circulating slot 2.
The demister layer 11, packing layer 12 and 1 bottom of dust washing device are respectively provided with pressure indicator 6.
Sample tap 7 is set on the pipeline that the lower Flushing nozzle being located above packing layer 12 is connect with circulating pump.
The pipe outlet 21 of the top setting connection urine storage tank 8 of the cleaning solution circulating slot 2 and supplement condensate liquid import
22, condensate liquid import 22 is connect by pipeline with process condensate storage tank 3.
The course of work of the present apparatus are as follows: the air with carbamide dust first passes through in admission line pre-wash after by dust
The gas feed 14 of the bottom of washer 1 enters the bottom of dust washing device 1, after being uniformly distributed of gas distributor, to
Upper flowing；Upper and lower Flushing nozzle work simultaneously, the air of carbamide dust is successively after the absorption of packing layer 12 and demister processing
Outside is drained by the extraction of air-introduced machine 9, rinse cleaning solution by the outlet at bottom of dust washing device 1 enter cleaning solution circulating slot 2 into
Row circulation washing is then pumped to the recycling of urine storage tank when sample tap sample detection circulation fluid concentration is 45%.
Claims (7)
1. a kind of washing tail gas device, which is characterized in that stored up including dust washing device, cleaning solution circulating slot and process condensate
Offgas outlet is arranged in slot, the top of dust washing device, and the liquid outlet being connected with cleaning solution circulating slot is arranged in bottom, along dust
Washer sets gradually demister layer and packing layer from top to bottom, is located at below packing layer on the dust washing device and is provided with gas
Body import；The demister layer is upper and lower two layers, is respectively provided with and process condensate storage tank below upper and lower two layers of demister layer
The upper Flushing nozzle being connected is respectively provided with lower Flushing nozzle above lower layer's demister layer and packing layer；Positioned at lower layer's demister
The lower Flushing nozzle of layer top is connected with process condensate storage tank, and the lower Flushing nozzle above packing layer passes through circulating pump
It is connected with cleaning solution circulating slot；Absorbed layer is set above described filler layer, three layers of water curtain are set inside washer and absorb distribution
Plate, the absorbed layer and water curtain absorb distribution grid and are made of absorptive unit, and the absorptive unit is by braced frame and is located at branch
Regular silk screen layer composition on support frame frame, the absorptive unit that adjacent water curtain absorbs on distribution grid are arranged in a staggered manner.
2. washing tail gas device as described in claim 1, which is characterized in that gas distributor is arranged in the gas inlet,
Gas distributor include the gas guide plate that gas inlet is set, the crossbeam being arranged in inside dust washing device, inclination set
The distribution silk screen water curtain wall set and the one group of baffle for being vertically arranged to crossbeam and being distributed between silk screen water curtain wall；With gas feed
Setting pre-washes spray equipment in the admission line of connection, and the inlet and cleaning solution circulating slot of the showering washing device connect
It is logical.
3. washing tail gas device as described in claim 1, which is characterized in that regular silk screen layer with a thickness of 50mm, porosity
It is 78.6%.
4. washing tail gas device as described in claim 1, which is characterized in that set between the circulating pump and cleaning solution circulating slot
Set filter.
5. washing tail gas device as described in claim 1, which is characterized in that the demister layer, packing layer and dust washing
Device bottom is respectively provided with pressure indicator.
6. washing tail gas device as described in claim 1, which is characterized in that be located at packing layer above lower Flushing nozzle with
Sample tap is set on the pipeline of circulating pump connection.
7. washing tail gas device as described in claim 1, which is characterized in that connection is arranged in the top of the cleaning solution circulating slot
The pipe outlet of urine storage tank and supplement condensate liquid import, condensate liquid import are connect by pipeline with process condensate storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638807.2A CN109453590A (en) | 2018-12-29 | 2018-12-29 | A kind of washing tail gas device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638807.2A CN109453590A (en) | 2018-12-29 | 2018-12-29 | A kind of washing tail gas device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109453590A true CN109453590A (en) | 2019-03-12 |
Family
ID=65615742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811638807.2A Pending CN109453590A (en) | 2018-12-29 | 2018-12-29 | A kind of washing tail gas device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109453590A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708420A (en) * | 2009-11-24 | 2010-05-19 | 中冶长天国际工程有限责任公司 | Treatment technique for pollutants in sinter fume and spraying and absorbing tower thereof |
| CN202446928U (en) * | 2012-02-28 | 2012-09-26 | 钱禧昱 | Air filter |
| JP2015112584A (en) * | 2013-12-13 | 2015-06-22 | 三菱日立パワーシステムズ株式会社 | Device for removing carbon dioxide in exhaust gas |
| CN206045736U (en) * | 2016-08-18 | 2017-03-29 | 吴江市森泰机械制造有限公司 | A kind of spray column for workshop air purification |
| CN207605585U (en) * | 2017-11-13 | 2018-07-13 | 湖北晋煤金楚化肥有限责任公司 | A kind of semiwater gas desulphurizing tower |
| CN207871892U (en) * | 2018-01-04 | 2018-09-18 | 徐州鑫宇光伏科技有限公司 | A kind of tail gas breaking plant of chlorine storehouse |
| CN207928959U (en) * | 2018-01-19 | 2018-10-02 | 天津浩元精细化工股份有限公司 | A kind of circulated sprinkling tail gas absorber |
-
2018
- 2018-12-29 CN CN201811638807.2A patent/CN109453590A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708420A (en) * | 2009-11-24 | 2010-05-19 | 中冶长天国际工程有限责任公司 | Treatment technique for pollutants in sinter fume and spraying and absorbing tower thereof |
| CN202446928U (en) * | 2012-02-28 | 2012-09-26 | 钱禧昱 | Air filter |
| JP2015112584A (en) * | 2013-12-13 | 2015-06-22 | 三菱日立パワーシステムズ株式会社 | Device for removing carbon dioxide in exhaust gas |
| CN206045736U (en) * | 2016-08-18 | 2017-03-29 | 吴江市森泰机械制造有限公司 | A kind of spray column for workshop air purification |
| CN207605585U (en) * | 2017-11-13 | 2018-07-13 | 湖北晋煤金楚化肥有限责任公司 | A kind of semiwater gas desulphurizing tower |
| CN207871892U (en) * | 2018-01-04 | 2018-09-18 | 徐州鑫宇光伏科技有限公司 | A kind of tail gas breaking plant of chlorine storehouse |
| CN207928959U (en) * | 2018-01-19 | 2018-10-02 | 天津浩元精细化工股份有限公司 | A kind of circulated sprinkling tail gas absorber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206566708U (en) | A kind of hot industry emission-control equipment | |
| CN207042213U (en) | A kind of chemical fibre exhaust gas purification and treatment device | |
| CN207786328U (en) | A kind of alkaline cleaner for hydrogen fluoride tail gas absorption | |
| CN107824027A (en) | A kind of new VOCsScrubbing tower processing unit | |
| CN106890849A (en) | A kind of device of in-situ immobilization diesel fuel contaminated soil | |
| CN109453590A (en) | A kind of washing tail gas device | |
| CN108246084A (en) | Rotary kiln exhaust gas processing system | |
| CN206396329U (en) | A kind of indoor steel wire pickling bath | |
| CN206082075U (en) | Waste gas absorption tower | |
| CN205463375U (en) | Metal material cleaning device | |
| CN205392026U (en) | High humility dust processing system | |
| CN105311928B (en) | A kind of packed tower venturi one washing system and its washing methods | |
| CN206881486U (en) | Flue gas pre-washing device before a kind of desulfuration absorbing tower | |
| CN208493789U (en) | A kind of industrial waste-gas purifier | |
| CN206660890U (en) | It is a kind of can be according to the scrubbing tower of concentration of lye automatic liquid-feeding | |
| CN211246084U (en) | Simple device for treating small amount of acid gas-containing industrial waste gas | |
| CN206487534U (en) | A kind of generator tail gas processing unit | |
| CN205886466U (en) | Horizontal washing tower | |
| CN206082031U (en) | Cylinder workshop washing dust keeper | |
| CN208771185U (en) | A kind of environment-friendly type soda acid exhaust gas washing tower with multiple purifying function | |
| CN205760489U (en) | A kind of industrial waste gas processes spray equipment | |
| CN206716336U (en) | Water curtain paint spray booth with coating cloud purification function | |
| CN205650070U (en) | Absorbing device of desulfurization minimum discharge | |
| CN205495201U (en) | Go out even dust shaker that washes of water | |
| CN208465486U (en) | A kind of flue gas desulfurization scrubbing tower |
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 |
Application publication date: 20190312 |
|
| RJ01 | Rejection of invention patent application after publication |