CN202860341U - Cleanable recovery device for smoke dust in tail gas - Google Patents
Cleanable recovery device for smoke dust in tail gas Download PDFInfo
- Publication number
- CN202860341U CN202860341U CN 201120518515 CN201120518515U CN202860341U CN 202860341 U CN202860341 U CN 202860341U CN 201120518515 CN201120518515 CN 201120518515 CN 201120518515 U CN201120518515 U CN 201120518515U CN 202860341 U CN202860341 U CN 202860341U
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- China
- Prior art keywords
- absorption tower
- tail gas
- dust
- smoke dust
- flue dust
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Abstract
The utility model discloses a cleanable recovery device for smoke dust in tail gas. The cleanable recovery device is characterized in that the smoke dust in tail gas is adsorbed by a porous packing in a plastic absorption tower and absorbed by foam in the packing; the smoke dust adsorbed in the porous packing is washed at regular time by virtue of an automatic pulse high-pressure spray head in the plastic absorption tower and conveyed to a square clarification pool in the bottom, dust is slowly settled in a settlement inclined plate area in the clarification pool, and then pumped to a press filter, filtered by pressing, and recovered; and the upper-layer clean water after clarification is circulated to the absorption tower by a pump, and used for cleaning the smoke dust adsorbed in the absorption tower again at regular time. The device disclosed by the utility model has the characteristics of being low in investment cost, automatic in operation, capable of recycling water, high in recovery rate for the smoke dust, energy-saving and environmentally-friendly.
Description
Technical field
The utility model patent belongs to the fume environment protection that gives up in metallurgy, chemical industry, the powder body material production process and processes and comprehensively reclaim the field.
Background technology
All can more or less produce some harmful flue dust in metallurgy, chemical industry, the powder body material production process, solid suspension in the flue dust enters by respiratory system or skin and invades human body, may cause allergic, infection, pneumoconiosis etc., therefore prevent smoke harm in the tail gas, seem particularly important.What deal with problems then is that flue dust is effectively reclaimed at all, stops flue dust and enters in the atmosphere.
The existing method that solves flue dust, if distinguish according to operation principle, the method for gathering dust can be divided into that gravity gathers dust, cyclone dust collection (centrifugal collection), wet dust collector, electric gathering dust (electrostatic dust collection), ultrasonic wave gathers dust and bag collection etc.
Various collecting method operation principles are simply as follows:
(1) gravity gathers dust, and utilizes Action of Gravity Field (natural subsidence), does preliminary purification, such as smoke-box, expansion chamber etc.
(2) inertia gathers dust, and utilizes the inertia of solia particle to separate, as deflection plate-inertia dust-precipitator is set.
(3) centrifugal collection utilizes centrifugal action, such as rotoclone collector.
(4) filtration is gathered dust, and by the porous layer filter medium, dust is retained down, such as bag filter and stratum granulosum dust-precipitator.
(5) water gathers dust, and utilizes water to contact with dust granules, make dust by moistening, reunite and collect, such as the moisture film dust-precipitator.
(6) electricity gathers dust, and utilizes high voltage electric field, makes dust charged, such as cottrell.
Summary of the invention
The utility model patent proposes a kind of tail gas flue dust retracting device capable of washing, has taken into account water and has gathered dust, filters and gather dust and the inertia function of the multiple mode of gathering dust such as gather dust, and especially is fit to reclaim in the tail gas soot dust granule size less than the superfine powder suspended particle of 5 μ mm.
For reaching above-mentioned design and practical function, the utility model device has following technical characterictic:
A kind of tail gas flue dust retracting device capable of washing, comprise absorption tower, depositing reservoir, external filter press, water circulating pump four forms greatly, and its connected mode is: the bottom, absorption tower connects depositing reservoir, the external water circulating pump of depositing reservoir and filter press, water circulating pump links to each other with the top, absorption tower with filter press.As seen this install top view: 1-liquid level tube, 2-sedimentation swash plate, 3-absorption tower main body, 4-pure water valve, 5-water circulating pump, 6-valve, 7-plate and frame filter press, 8-filter press high-pressure pump, 9-expansion chamber and clarifying chamber's dividing plate.
A kind of tail gas flue dust retracting device capable of washing, its absorption tower comprises: the outlet of 10-filler, 11-filler entrance, the 12-clean gas outlet, 13-commutator pulse high-pressure atomization mouth spray, 14-plastics porous aggregate, 15-absorption tower shell, 16-dust gas entrance, the 17-screen of breathing freely; Depositing reservoir comprises: 18-clear water switch, 19-unsteady flow swash plate, 20-muddy water passage, 21-sedimentation swash plate, 22-brace rod, 23-overfall, 24-liquid level tube, 25-circulating water outlet, the outlet of 26-flue dust mud.
A kind of tail gas flue dust retracting device capable of washing, its absorption tower body are PVC, PP cylinder, and the filler in the tower body is multi-layer porous plastic filler.
A kind of tail gas flue dust retracting device capable of washing contains clear water and introduces valve, current break-in swash plate, sedimentation swash plate, liquid level gauge in its depositing reservoir; The flue dust mud outlet that depositing reservoir is collected is positioned at sedimentation swash plate bottom, and the filtrate after the filter press press filtration is back to the absorption tower with clear water pipeline and recycles.
Use the utility model device to have following beneficial effect: 1) possess the function of automatic cleaning, automatic slag removal, simple to operation; 2) washings recycle, using water wisely; 3) the tail gas flue dust rate of recovery is high, environmental contamination reduction; 4) the recovery flue dust returns production line and reuses the raising resource utilization.
Description of drawings
Fig. 1 is equipment connection schematic diagram of the present utility model.
Fig. 2 is the top view of the utility model device.
Fig. 3 is elevation cross-sectional view of the present utility model (the A-B section of Fig. 2).
The specific embodiment
Below in conjunction with accompanying drawing implementation and operation of the present invention is described further.
1) opens in advance 18-clear water switch among Fig. 3, in clear water reserviors, inject clear water, to the overflow position of liquid level a little more than 23-overfall place, turn off the pure water valve.
2) check water circulating pump front and back valve, confirm all to be opening.
3) ON cycle water pump, clear water 25-circulating water outlet in the depositing reservoir flows in the absorption tower, evenly scatter through 13 commutator pulse high-pressure atomization mouth sprays, through 14-plastics porous aggregate and the ventilative screen of 17-the flue dust that adsorbs is washed respectively again, and flow to depositing reservoir.
4) contain flue dust tail gas and enter the absorption tower from 16-dust gas entrance, through ventilative screen, arrive plastic filler, be adsorbed in the plastic filler and foam in, flue dust is washed by from top to down atomized water and enters depositing reservoir, tail gas passes the absorption tower qualified discharge.
5) after the washes that contains dust enters depositing reservoir, first with Fig. 3 in the collision of 19-unsteady flow swash plate, change flow direction, and add flow speed and direction 20-muddy water passage.
6) after muddy water arrived 21-sedimentation swash plate, speed was fallen slowly gradually, the sedimentation of going ahead of the rest of heavy particle, and sedimentation behind the light particle, and be scattered near the bottom surface of swash plate.
7) particle in the muddy water is through after the sedimentation, and it is clear that solution is easy to become, and flows to the clear water collecting pit by the 23-overfall.After the pump circulation, again flow in the absorption tower absorption dust.
8) sampling is observed the turbidity of clear water reserviors water, and after operation a period of time, overflow is more and more muddy to the water of clear water reserviors in the settling tank, valve corresponding to openable 7-filter press, turn off recirculated water motor and corresponding valve, open the filter press motor, extract near the mud of sedimentation swash plate.Through after the press filtration, solid particle is stayed in the filter press, and clear water flows to cat head and gets back in the depositing reservoir.
9) because clear water may lose because evaporation, air carry secretly etc., need make regular check on the clear water liquid level, find in time moisturizing in the system of lack of water.
Contain the tail gas of flue dust after device described in the utility model is processed, the tail gas of discharging meets suspension emission control standard in the industrial waste gas fully.After flue dust in the tail gas used new device to process by this, the fume recovery rate reached 99.6%, and the rate of recovery is high.
Claims (4)
1. tail gas flue dust retracting device capable of washing, comprise absorption tower, depositing reservoir, external filter press, water circulating pump, its connected mode is: the bottom, absorption tower connects depositing reservoir, the external water circulating pump of depositing reservoir and filter press, water circulating pump links to each other with the top, absorption tower with filter press.
2. a kind of tail gas flue dust according to claim 1 retracting device capable of washing, it is characterized in that: absorption tower body is PVC, PP cylinder, the filler in the tower body is multi-layer porous plastic filler.
3. a kind of tail gas flue dust according to claim 1 retracting device capable of washing is characterized in that: contain clear water in the depositing reservoir and introduce valve, current break-in swash plate, sedimentation swash plate, liquid level gauge.
4. a kind of tail gas flue dust according to claim 1 retracting device capable of washing is characterized in that: the flue dust mud outlet that depositing reservoir is collected is positioned at sedimentation swash plate bottom, and the filtrate after the filter press press filtration is back to the absorption tower with clear water pipeline and recycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120518515 CN202860341U (en) | 2011-12-13 | 2011-12-13 | Cleanable recovery device for smoke dust in tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120518515 CN202860341U (en) | 2011-12-13 | 2011-12-13 | Cleanable recovery device for smoke dust in tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202860341U true CN202860341U (en) | 2013-04-10 |
Family
ID=48027101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120518515 Expired - Lifetime CN202860341U (en) | 2011-12-13 | 2011-12-13 | Cleanable recovery device for smoke dust in tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202860341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169873A (en) * | 2015-10-10 | 2015-12-23 | 青岛亿士科环境科技有限公司 | Waste gas collecting and treating system device of petrochemical refined oil coking device |
| CN106582237A (en) * | 2016-12-14 | 2017-04-26 | 深圳市捷晶能源科技有限公司 | Incineration flue gas purification and cyclic treatment system |
-
2011
- 2011-12-13 CN CN 201120518515 patent/CN202860341U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169873A (en) * | 2015-10-10 | 2015-12-23 | 青岛亿士科环境科技有限公司 | Waste gas collecting and treating system device of petrochemical refined oil coking device |
| CN106582237A (en) * | 2016-12-14 | 2017-04-26 | 深圳市捷晶能源科技有限公司 | Incineration flue gas purification and cyclic treatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |