CN106669293A - Exhaust gas emission reduction and clean water recovery device for roof fan - Google Patents
Exhaust gas emission reduction and clean water recovery device for roof fan Download PDFInfo
- Publication number
- CN106669293A CN106669293A CN201710072898.7A CN201710072898A CN106669293A CN 106669293 A CN106669293 A CN 106669293A CN 201710072898 A CN201710072898 A CN 201710072898A CN 106669293 A CN106669293 A CN 106669293A
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- China
- Prior art keywords
- waste gas
- tank body
- recovery device
- exhaust gas
- clean water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an exhaust gas emission reduction and clean water recovery device for a roof fan. The exhaust gas emission reduction and clean water recovery device for the roof fan comprises a main structure and a water circulation system. The main structure comprises a base, a tank body, a first exhaust gas demisting device, a second exhaust gas demisting device, a third exhaust gas demisting device and cooling systems; the tank body is fixed onto the base; the first exhaust gas demisting device, the second exhaust gas demisting device and the third exhaust gas demisting device are sequentially fixed into the tank body from bottom to top; the cooling systems are respectively arranged above the first exhaust gas demisting device and the second exhaust gas demisting device; an air inlet is formed in the side wall of the tank body below the first exhaust gas demisting device; a liquid outlet is formed in the bottom part of the side wall of the tank body, and is connected with the cooling systems through the water circulation system; an air outlet is formed in the top part of the tank body. The exhaust gas emission reduction and clean water recovery device for the roof fan provided by the invention has the advantages that an entrainment liquidation effect is good, entrained and liquidated water can be recycled, the pollution is less, and the device is economical and practical.
Description
Technical field
The present invention relates to top fan auxiliary equipment field, more particularly to top fan reducing discharge of waste gases clean water recovery device.
Background technology
Top fan is mounted on roof a kind of equipment for carrying out exhaust ventilation.Some industrial premises are (such as paper machine room
In drying portion gas hood) radiating condition is poor, summer sultry exception.Set up top fan for discharge dry l Water Paper leaf after damp and hot steaming
Vapour, it is ensured that the ability and efficiency of paper machine room paper leaf flash baking.At present, indoor high-temperature mist is directly come sky by top fan
In gas, i.e., pollution can be produced to waste resource again air.
The content of the invention
It is an object of the invention to provide a kind of top fan reducing discharge of waste gases clean water recovery device, top fan is can effectively solve the problem that
When being worked under the air discharging and radiating system environments such as the drying portion gas hood in paper machine room, the waste gas being expelled directly out contains a large amount of mists not
Economy problem not environmentally.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：Top fan reducing discharge of waste gases is clear
Apparatus for recovering, including agent structure and water circulation system, the agent structure include pedestal, tank body, the first waste gas demisting dress
Put, the second waste gas demister, the 3rd waste gas demister and cooling system, the tank body is fixed on pedestal, the tank body
Inside is fixed with the first waste gas demister, the second waste gas demister and the 3rd waste gas demister, institute successively from the bottom to top
State the first waste gas demister top and the second waste gas demister top and be respectively arranged with cooling system, the first waste gas demisting dress
The tank wall for putting lower section is provided with air inlet, and the tank wall bottom is provided with leakage fluid dram, and the leakage fluid dram passes through water circulation
System is connected with cooling system, and the tank body top is provided with exhaust outlet.
Preferably, the first waste gas demister includes some first waveform plates, and all first waveform plates are parallel to each other
And equidistant arrangement, the knuckle of first waveform plate is 50~70 °, and the spacing of adjacent first waveform plate is 38~44mm.When containing mist
When the first waveform plate that the waste gas of foam is 50~70 ° by knuckle, spacing is 38~44mm is combined, a part of mist can be gathered in
Corrugated sheet turning, so as to be separated；Turning mist trapping ability is good when corrugated sheet knuckle is 50~70 °, and spacing is
38~44mm is more conducive to trap the larger mist of volume.
Preferably, the second waste gas demister includes some second corrugated sheets, and all second corrugated sheets are parallel to each other
And equidistant arrangement, the knuckle of the second corrugated sheet is 50~70 °, and the spacing of adjacent second corrugated sheet is 18~22mm.When by
When the second corrugated sheet that the treated waste gas of one waste gas demister is 50~70 ° by knuckle, spacing is 18~22mm is combined,
Some mist can be gathered in corrugated sheet turning again, so as to be separated；Turning when corrugated sheet knuckle is 50~70 °
Mist trapping ability is good, and spacing is more conducive to trap the less mist of volume for 18~22mm.
Preferably, the 3rd waste gas demister includes at least two-layer steel wire, and the mesh of the steel wire is positive six
Side shape, the section of steel wire is S-shaped, and the steel wire section of steel wire is ellipse.The section of steel wire makes steel wire and gives up for S-shaped
The contact area of gas is big, beneficial to separation droplet；The mesh of steel wire is regular hexagon, and droplet can be poly- in the infall of steel wire
Collection, good separating effect；The steel wire section of steel wire is ellipse, is not only increased conveniently assemble with the contact surface of waste gas again after
Drop slides.
Preferably, the spacing between adjacent steel silk screen is 90~110mm.Spacing between steel screen layer is 90~110mm
When, upper strata steel wire except fog effect it is more preferable.
Preferably, the cooling system includes water pipe and nozzle, and the water pipe is fixed on tank body inner side, the water pipe difference
At 200~300mm of corresponding demister top, nozzle is housed on the water pipe.Cooling system is used for cooling first and gives up
Gas demister and the second waste gas demister, prevent the first waste gas demister and the second waste gas demister from crossing heat affecting and removing
Mist efficiency；Water pipe is located at when at 200~300mm of the first waste gas demister and the second waste gas demister top respectively, cooling
Effect is good.
Preferably, the nozzle and the angle of vertical direction are 20~30 °.Can ensure that the cooling water for spraying is fully contacted
First waste gas demister and the second waste gas demister, cooling effect are more preferable.
Preferably, level height of the level height of leakage fluid dram less than air inlet.The liquid being captured can be prevented from entering
Gas port pours in down a chimney.
Preferably, leakage fluid dram and the angle of air inlet are 90~180 °.Water circulation system is installed on leakage fluid dram to be more convenient,
Will not be stopped by the equipment of air inlet.
Preferably, the water circulation system includes fluid level control valve, drum filter, clear water reserviors, water pump and refrigeration unit,
Leakage fluid dram, fluid level control valve, drum filter and clear water reserviors pass sequentially through pipeline connection, and drum filter also passes through refrigeration unit
It is connected with cooling system, water pump is provided between drum filter and refrigeration unit.Liquid from leakage fluid dram discharge is by rotary drum mistake
The effect of filter, most (about 98%) imports clear water reserviors, and sub-fraction (about 2%) is used for cooling system by refrigeration unit
Use water, not only realize the purification known clearly to waste water, recycling for cooling water has been reached again；Fluid level control valve is used to adjust tank
Internal liquid capacity；Water pump is used to water be input into refrigeration unit.
Compared with prior art, it is an advantage of the invention that：The first waste gas demister, the second waste gas demisting dress in tank body
Put with the 3rd waste gas demister, waste gas is processed respectively, mist liquefaction effect is good；Tank wall is provided with air inlet,
Air inlet is located at the horizontal down of the first waste gas demister, it is ensured that waste gas is useless with first after air inlet enters tank body
Gas demister is fully contacted, and mist liquefaction effect is more preferable；Leakage fluid dram is connected by water circulation system with cooling system, mist liquid
Water after change can be recycled, and pollution is few, economical and practical.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 passes through schematic diagram when the first waste gas demister or the second waste gas demister for waste gas；
Fig. 3 is the structural representation of the 3rd waste gas demister；
Fig. 4 is the sectional view of the 3rd waste gas demister；
Fig. 5 is the schematic diagram of cooling system.
Specific embodiment
Embodiments of the invention are further illustrated below in conjunction with the accompanying drawings：
As shown in figure 1, top fan reducing discharge of waste gases clean water recovery device, including agent structure and water circulation system 6, body junction
Structure includes pedestal 1, tank body 3, the first waste gas demister 31, the second waste gas demister 32, the and of the 3rd waste gas demister 33
Cooling system 34.The pedestal is provided with tank body, and tank interior is fixed with the first waste gas demister, second successively from the bottom to top
Waste gas demister and the 3rd waste gas demister, the first waste gas demister top and the second waste gas demister top fill
There is cooling system, tank wall is provided with air inlet 2, and air inlet is located at the horizontal down of the first waste gas demister, tank body side
Wall bottom is provided with leakage fluid dram 5, and leakage fluid dram is located at the horizontal down of air inlet, and leakage fluid dram is 90~180 ° with the angle of air inlet,
Leakage fluid dram is connected by water circulation system with cooling system, and tank body top is provided with exhaust outlet 4.The water circulation system includes liquid level
Control valve 65, drum filter 63, clear water reserviors 64, water pump 62 and refrigeration unit 61, wherein leakage fluid dram, drum filter and clear water
Pond passes sequentially through stainless steel pipes connection, and drum filter is also connected by refrigeration unit with cooling system.Drum filter with
Fluid level control valve is provided between leakage fluid dram, fluid level control valve is used to adjust liquid capacity in tank body；Drum filter and refrigeration machine
Water pump is provided between group, water pump is used to water be input into refrigeration unit.
As shown in Fig. 2 the first waste gas demister includes some first waveform plates 35, all first waveform plates are mutually put down
Row and equidistant arrangement, the knuckle of first waveform plate is 50~70 °, and first waveform plate spacing is 38~44mm；Second waste gas demisting
Device includes some second corrugated sheets 36, and all second corrugated sheets are mutually parallel and equidistant arrangement, the knuckle of the second corrugated sheet
It it is 50~70 °, the second corrugated sheet spacing is 18~22mm.When high temperature (60~70 °) waste gas 37 containing mist is useless by first
When gas demister or the second waste gas demister, due to the inertia of gas, mist in waste gas and corrugated sheet collide so as to
It is attached to waveform plate surface.And then drop is formed at the turning of corrugated sheet, because drop is to centrifugal force and drop and waveform
The tension force of the rubbing action, suction-operated and liquid surface of plate makes droplet size become big, and weight becomes big.When liquid weight is more than useless
The climbing power of gas with surface tension of liquid when making a concerted effort, just from waveform plate surface separate by drop.The corrugated sheet is many foldings
To structure, each knuckle of corrugated sheet plays the role of the larger mist of trapping, smaller the trapped mist body of corrugated sheet spacing
Product is about small.
As shown in Figure 3, Figure 4, the 3rd waste gas demister includes at least two-layer steel wire 331, between adjacent steel silk screen
Spacing is 90~110mm, and the mesh 332 of the steel wire is regular hexagon, and the section of steel wire is S-shaped, the steel wire of steel wire
Section is ellipse.Waste gas is collided by silk screen, the droplet being mixed in gas with the surface of silk screen, and droplet is touched in silk screen table
Behind face, it is captured down and flows downwardly into the joint that silk intersects along filament, be gathered into drop, drop constantly becomes big, Zhi Daoju
Weight exceedes surface tension of liquid with gas rising buoyancy when making a concerted effort to long-pending drop in itself, and drop just overloads and settles, and reaches
Remove the purpose of droplet.
As shown in figure 5, cooling system includes water pipe 341 and nozzle 342, the water pipe is fixed on tank body inner side, water pipe point
Not Wei Yu the first waste gas demister and the second waste gas demister top 200~300mm places, water pipe and refrigeration unit pass through not
Rust steel conduit connection, is equipped with nozzle on water pipe, nozzle is 20~30 ° with the installation angle of vertical direction.
When using, air inlet of the invention is docked with the outlet of top fan, when (60~70 °) of the high temperature containing mist gives up
Gas from exhaust outlet after the first waste gas demister, the second waste gas demister and the 3rd waste gas demister by discharging.Process
In, the mist in waste gas is captured and drops onto tank base, and flowing into rotary drum through leakage fluid dram by the regulation of fluid level control valve filters
Device, most of drainage (about 98%) is emitted into clear water reserviors and stores after being filtered through drum filter, and fraction drainage (about 2%) is by water
Pump is cooled down (be about reduced to 5 °) by refrigeration unit to be done spraying cooling agent and uses in the water pipe for importing cooling system afterwards.This hair
It is bright when not only solving top fan and being worked under the air discharging and radiating system environments such as drying portion gas hood of paper machine room, directly in air
The problem of middle discharge exhaust emission environment, but also make the mist in waste gas that the consumption of the energy with cycling and reutilization, can be reduced.
Specific embodiment of the invention is the foregoing is only, but technical characteristic of the invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, all cover among the scope of the claims of the invention by the change or modification made.
Claims (10)
1. top fan reducing discharge of waste gases clean water recovery device, it is characterised in that described including agent structure and water circulation system (6)
Agent structure includes pedestal (1), tank body (3), the first waste gas demister (31), the second waste gas demister (32), the three wastes
Gas demister (33) and cooling system (34), the tank body (3) are fixed on pedestal (1), the tank body (3) it is internal by it is lower extremely
On be fixed with the first waste gas demister (31), the second waste gas demister (32) and the 3rd waste gas demister (33) successively,
First waste gas demister (31) top and the second waste gas demister (32) top are respectively arranged with cooling system (34), described
Tank body (3) side wall below first waste gas demister (31) is provided with air inlet (2), and tank body (3) sidewall bottom is provided with
Leakage fluid dram (5), the leakage fluid dram (5) is connected by water circulation system (6) with cooling system (34), and tank body (3) top sets
There is exhaust outlet (4).
2. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that first waste gas is removed
Mist device (31) includes some first waveform plates (35), and all first waveform plates (35) are parallel to each other and equidistant arrangement, first wave
The knuckle of shape plate (35) is 50~70 °, and the spacing of adjacent first waveform plate (35) is 38~44mm.
3. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that second waste gas is removed
Mist device (32) includes some second corrugated sheets (36), and all second corrugated sheets (36) are parallel to each other and equidistant arrangement, the second ripple
The knuckle of shape plate (36) is 50~70 °, and the spacing of adjacent second corrugated sheet (36) is 18~22mm.
4. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that the 3rd waste gas is removed
Mist device (33) includes at least two-layer steel wire (331), and the mesh (332) of the steel wire (331) is regular hexagon, steel wire
(331) section is S-shaped, and the steel wire section of steel wire (331) is ellipse.
5. top fan reducing discharge of waste gases clean water recovery device according to claim 4, it is characterised in that adjacent steel silk screen
(331) spacing between is 90~110mm.
6. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that the cooling system
(34) including water pipe (341) and nozzle (342), the water pipe (341) is fixed on tank body (3) inner side, and the water pipe (341) is respectively
At 200~300mm of corresponding demister top, nozzle (342) is housed on the water pipe (341).
7. top fan reducing discharge of waste gases clean water recovery device according to claim 6, it is characterised in that the nozzle (342)
It it is 20~30 ° with the angle of vertical direction.
8. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that the water of leakage fluid dram (5)
Level height of the flat height less than air inlet (2).
9. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that leakage fluid dram (5) with enter
The angle of gas port (2) is 90~180 °.
10. top fan reducing discharge of waste gases clean water recovery device according to claim 1, it is characterised in that the water circulation system
System (6) includes fluid level control valve (65), drum filter (63), clear water reserviors (64), water pump (62) and refrigeration unit (61), discharge opeing
Mouth (5), fluid level control valve (65), drum filter (63) and clear water reserviors (64) pass sequentially through pipeline connection, drum filter
(63) also it is connected with cooling system (34) by refrigeration unit (61), is provided between drum filter (63) and refrigeration unit (61)
Water pump (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072898.7A CN106669293A (en) | 2017-02-10 | 2017-02-10 | Exhaust gas emission reduction and clean water recovery device for roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710072898.7A CN106669293A (en) | 2017-02-10 | 2017-02-10 | Exhaust gas emission reduction and clean water recovery device for roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106669293A true CN106669293A (en) | 2017-05-17 |
Family
ID=58862159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710072898.7A Pending CN106669293A (en) | 2017-02-10 | 2017-02-10 | Exhaust gas emission reduction and clean water recovery device for roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106669293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310880A (en) * | 2018-01-25 | 2018-07-24 | 山西尚风抑风墙科技有限公司 | A kind of waste gas purification apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201182964Y (en) * | 2008-04-30 | 2009-01-21 | 中国恩菲工程技术有限公司 | Acid-containing waste gas wash defogging apparatus |
| CN201186198Y (en) * | 2008-04-30 | 2009-01-28 | 中国恩菲工程技术有限公司 | Wet method zinc metallurgy and waste gas treatment equipment |
| CN201848164U (en) * | 2010-10-26 | 2011-06-01 | 廊坊市英博特环保设备有限公司 | Desulfurization demister adopting ammonia method |
| CN205379793U (en) * | 2016-03-07 | 2016-07-13 | 李爱云 | Smoke desulfurizing dust collector |
| CN206444338U (en) * | 2017-02-10 | 2017-08-29 | 嘉兴市欧博特造纸设备科技有限公司 | Top fan reducing discharge of waste gases clean water recovery device |
-
2017
- 2017-02-10 CN CN201710072898.7A patent/CN106669293A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201182964Y (en) * | 2008-04-30 | 2009-01-21 | 中国恩菲工程技术有限公司 | Acid-containing waste gas wash defogging apparatus |
| CN201186198Y (en) * | 2008-04-30 | 2009-01-28 | 中国恩菲工程技术有限公司 | Wet method zinc metallurgy and waste gas treatment equipment |
| CN201848164U (en) * | 2010-10-26 | 2011-06-01 | 廊坊市英博特环保设备有限公司 | Desulfurization demister adopting ammonia method |
| CN205379793U (en) * | 2016-03-07 | 2016-07-13 | 李爱云 | Smoke desulfurizing dust collector |
| CN206444338U (en) * | 2017-02-10 | 2017-08-29 | 嘉兴市欧博特造纸设备科技有限公司 | Top fan reducing discharge of waste gases clean water recovery device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310880A (en) * | 2018-01-25 | 2018-07-24 | 山西尚风抑风墙科技有限公司 | A kind of waste gas purification apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |