CN108404629A - A kind of filter case phosphatization exhaust treatment system - Google Patents
A kind of filter case phosphatization exhaust treatment system Download PDFInfo
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- CN108404629A CN108404629A CN201810102219.0A CN201810102219A CN108404629A CN 108404629 A CN108404629 A CN 108404629A CN 201810102219 A CN201810102219 A CN 201810102219A CN 108404629 A CN108404629 A CN 108404629A
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- absorption tower
- dust
- phosphatization
- nozzle
- level
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 84
- 238000012856 packing Methods 0.000 claims abstract description 33
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 5
- 229920002396 Polyurea Polymers 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 241000486406 Trachea Species 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 64
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 13
- 239000002253 acid Substances 0.000 abstract description 8
- 239000003595 mist Substances 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 7
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 abstract description 6
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of filter case phosphatization exhaust treatment systems, are related to filter production technical field, are mainly made of dust-extraction unit, first grade absorption tower, two-level absorption tower, first jet, second nozzle, the first pinhole plate, packing layer and lye tank (vat) etc..The filter case phosphatization exhaust treatment system of the present invention removes the dust in phosphatization tail gas by dust-extraction unit first, prevents exhaust pipe road from being blocked because long-time uses, while additionally aiding subsequent vent gas treatment；Then the acid mist and nitrogen dioxide in tail gas are removed by first grade absorption tower；The nitric oxide in tail gas is removed finally by two-level absorption tower；Tail gas clean-up is thorough, and the discharge standard of national regulation is met after purification.
Description
Technical field
The present invention relates to filter production technical field more particularly to a kind of filter case phosphatization exhaust treatment systems.
Background technology
Filter needs to carry out phosphatization to the surface of shell in process of production, to form phosphating coat, protects metal shell,
Metal is prevented to be corroded.It in filter case phosphatization, needs shell immersing phosphating solution, since phosphating solution is acid dilute water
Solution will produce a large amount of acid mist during phosphatization.In addition, also will produce nitrogen oxides during phosphatization, no
Only there is certain toxicity, be unfavorable for producers' health, also very big to the detrimental effect of environment, it is both the master to form acid rain
One of substance is wanted, and forms an important factor of the important substance of photochemical fog and consumption O3 in air.Therefore it needs
To being discharged again after phosphatization vent gas treatment, existing phosphatization exhaust gas cleaner is sprayed to tail gas, and tail gas is net
It is poor to change effect, is unfavorable for environmental protection.How to design a kind of filter case phosphatization exhaust treatment system of good purification is this hair
Bright technical problem to be solved.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of filter case phosphatization vent gas treatment systems of good purification
System.
The present invention is realized by following technological means solves above-mentioned technical problem：
A kind of filter case phosphatization exhaust treatment system, including dust-extraction unit, first grade absorption tower and two-level absorption tower, it is described
Dust-extraction unit includes dust-removing box, and the lower part of the dust-removing box is provided with ash bucket, and the side wall of the ash bucket is provided with dedusting dress
Air inlet is set, the dust-removing box is internally provided with a partition board being laterally arranged, and dust-removing box is divided by the partition board
Chamber and lower chambers, several filter bags are equipped on the lower surface of the partition board, and the upper end of the dust-removing box is provided with dedusting dress
Gas outlet is set, the dust-extraction unit gas outlet is connected to upper chamber, and the dust-extraction unit gas outlet passes through pipeline and air inducing
Machine connects, and is provided with first grade absorption tower air inlet on the first grade absorption tower, the air-introduced machine passes through pipeline and first order absorption
Tower air inlet connects, and the first grade absorption tower is internally provided with the first nozzle, and first nozzle and external water system connect
Logical, the inside of the first grade absorption tower is additionally provided with packing layer, and the packing layer is located at the lower part of the first nozzle, the level-one
The bottom on absorption tower is equipped with the first collecting tank, the first grade absorption tower air inlet be located at packing layer and the first collecting tank it
Between, the inside of the first grade absorption tower is also equipped with fixed plate, and the upper end of the fixed plate is equipped with lye tank (vat), the fixed plate
Both ends be all arranged it is several cross tracheaes, it is described cross tracheae one end be connected to the lower surface of fixed plate, it is described mistake tracheae it is another
Lye trench bottom is sunk at end, and the top of the first grade absorption tower is provided with first grade absorption tower gas outlet, on the two-level absorption tower
It is provided with two-level absorption tower air inlet, the first grade absorption tower gas outlet is connected by pipeline with two-level absorption tower air inlet, institute
It states and is provided with the second nozzle in two-level absorption tower, second nozzle is connected to external urea liquid supply pipe, and the two level is inhaled
It receives tower and the second nozzle lower position is provided with several first pinhole plates setting up and down, the bottom setting of the two-level absorption tower
There are the second collecting tank, the two-level absorption tower air inlet to be located between the first pinhole plate of the lowermost and the second collecting tank, institute
It states and is provided with exhaust outlet at the top of two-level absorption tower.
Preferably, a kind of filter case phosphatization exhaust treatment system is provided on the partition board several logical
Stomata, it is corresponding on each venthole that a snorkel being vertically arranged, the lower end of the snorkel and filter are installed
Bag connection, the upper end of the snorkel is connected to upper chamber.
Preferably, a kind of filter case phosphatization exhaust treatment system, the packing layer are that PP multi-panels are hollow
The upper and lower surface of ball packing layer, packing layer is fitted with the second pinhole plate.
Preferably, a kind of filter case phosphatization exhaust treatment system, the first grade absorption tower and two level absorb
The tower body of tower all be from the bottom to top by flange it is sequentially connected several sections composition, and the tower body be polyvinyl chloride, polypropylene
Or glass steel material, polyurea anti-corrosion layer is all covered on the inner wall of first collecting tank and the second collecting tank.
Preferably, a kind of filter case phosphatization exhaust treatment system, first nozzle and the second nozzle
All it is spiral nozzle.
The advantage of the invention is that：The filter case phosphatization exhaust treatment system of the present invention is removed by dust-extraction unit first
The dust in phosphatization tail gas is removed, prevents exhaust pipe road from being blocked because long-time uses, while additionally aiding subsequent tail gas
Processing；Then the acid mist and nitrogen dioxide in tail gas are removed by first grade absorption tower；Tail gas is removed finally by two-level absorption tower
In nitric oxide；Tail gas clean-up is thorough, and the discharge standard of national regulation is met after purification.
Further, packing layer is PP polyhedron empty ball packing layers, improves the contact area of liquid and tail gas in packing layer,
So that tail gas and liquid is come into full contact in packing layer, improve the assimilation effect of liquid, the upper and lower surface of packing layer all installs second
Pinhole plate, lower part pinhole plate have gas distribution effect, top pinhole plate to play the role of water distribution in tail gas, make tail gas and liquid in filled layer
It is inside evenly distributed, enhances the absorbability of liquid.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram at lye tank (vat) of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of filter case phosphatization exhaust treatment system, including dust-extraction unit, first grade absorption tower 1 and two-level absorption tower 2,
The dust-extraction unit includes dust-removing box 3, and the lower part of the dust-removing box 3 is provided with ash bucket 4, and the side wall of the ash bucket 4 is set
It is equipped with dust-extraction unit air inlet 5, the dust-removing box 3 is internally provided with a partition board 6 being laterally arranged, and the partition board 6 will
Dust-removing box is divided into upper chamber 7 and lower chambers 8, and several filter bags 9, the dust-removing box 3 are equipped on the lower surface of the partition board 6
Upper end be provided with dust-extraction unit gas outlet 10, the dust-extraction unit gas outlet 10 is connected to upper chamber 7, the dedusting dress
It sets gas outlet 10 to connect by pipeline and air-introduced machine 11, first grade absorption tower air inlet 12, institute is provided on the first grade absorption tower 1
The air-introduced machine 11 stated is connected by pipeline and first grade absorption tower air inlet 12, and the first grade absorption tower 1 is internally provided with first
Nozzle 13, first nozzle 13 are connected to external water system, and the inside of the first grade absorption tower 1 is additionally provided with packing layer
14, the packing layer 14 is located at the lower part of the first nozzle 13, and the bottom of the first grade absorption tower 1 is equipped with the first collecting tank
15, the first grade absorption tower air inlet 12 is located between packing layer 14 and the first collecting tank 15, the first grade absorption tower 1 it is interior
Portion is also equipped with fixed plate 16, and the upper end of the fixed plate 16 is equipped with lye tank (vat) 17, and the both ends of the fixed plate 16 are all arranged
Several to cross tracheae 18, described one end for crossing tracheae 18 is connected to the lower surface of fixed plate 16, and the other end for crossing tracheae 18 is heavy
Enter 17 bottom of lye tank (vat), the top of the first grade absorption tower 1 is provided with first grade absorption tower gas outlet 19, the two-level absorption tower 2
On be provided with two-level absorption tower air inlet 20, the first grade absorption tower gas outlet 19 passes through pipeline and two-level absorption tower air inlet 20
It connects, the second nozzle 21 is provided in the two-level absorption tower 2, second nozzle 21 and external urea liquid supply pipe connect
Logical, the two-level absorption tower 2 is provided with several first pinhole plates 22 setting up and down in 21 lower position of the second nozzle, and described two
The bottom on grade absorption tower 2 is provided with the second collecting tank 23, and the two-level absorption tower air inlet 20 is located at the first needle of the lowermost
Between orifice plate 22 and the second collecting tank 23, the top of the two-level absorption tower 2 is provided with exhaust outlet 24.
Filter phosphatization tail gas enters the lower chambers of dust-extraction unit from dust-extraction unit air inlet, laggard by sock filtration
Enter upper chamber, then sent to first grade absorption tower by air-introduced machine, in first grade absorption tower, phosphatization tail gas first passes around three-level suction
It receives, the first order is spray-absorption of the water to tail gas of filled layer lower part pinhole plate outflow, and the second level is for water to phosphorus in filled layer
Changing the absorption of tail gas, the third level is spray-absorption of first nozzle to tail gas, after water absorbs the three-level of phosphatization tail gas, phosphorus
Change the content of acid mist and nitrogen dioxide in tail gas to substantially reduce, the phosphatization tail gas after three-level absorbs is passed through in lye tank (vat), thorough
Bottom removes the acid mist and nitrogen dioxide in phosphatization tail gas, and two-level absorption tower is passed through by the purified tail gas of first grade absorption tower, leads to
The urea liquid for crossing second nozzle ejection absorbs the nitric oxide in phosphatization tail gas, thoroughly removes the nitrogen in phosphatization tail gas
Oxide keeps phosphatization tail gas clean-up thorough；The filter case phosphatization exhaust treatment system of the present invention passes through dust-extraction unit first
The dust in phosphatization tail gas is removed, prevents exhaust pipe road from being blocked because long-time uses, while additionally aiding subsequent tail
Gas disposal；Then the acid mist and nitrogen dioxide in tail gas are removed by first grade absorption tower；It removes and truncates finally by two-level absorption tower
Nitric oxide in gas；Tail gas clean-up is thorough, and the discharge standard of national regulation is met after purification.
Preferably, several ventholes are provided on the partition board 6（It is not drawn into figure）, on each venthole
Corresponding to be equipped with a snorkel 25 being vertically arranged, the lower end of the snorkel 25 is connected to filter bag 9, the snorkel 25
Upper end is connected to upper chamber 7.
Upper chamber is set to be connected to lower chambers by snorkel, filter bag is mounted on snorkel, simple in structure, will not be blocked up
Plug, filtration result are good.
Preferably, the packing layer 14 is PP polyhedron empty ball packing layers, and the upper and lower surface of packing layer 14 is fitted with
Second pinhole plate 26.
Packing layer is PP polyhedron empty ball packing layers, improves the contact area of liquid and tail gas in packing layer, makes tail gas
It being come into full contact in packing layer with liquid, improves the assimilation effect of liquid, the upper and lower surface of packing layer all installs the second pinhole plate,
Lower part pinhole plate has gas distribution effect, top pinhole plate to play the role of water distribution in tail gas, and tail gas and liquid is made to be distributed in filled layer
Uniformly, enhance the absorbability of liquid.
Preferably, the tower body of the first grade absorption tower 1 and two-level absorption tower 2 is all to be sequentially connected from the bottom to top by flange
Several sections of compositions, and the tower body is polyvinyl chloride, polypropylene or glass steel material, and first collecting tank 15 and second collects
Polyurea anti-corrosion layer is all covered on the inner wall of liquid bath 23.
It is all covered with polyurea anti-corrosion layer on the inner wall of tower body intensity height, good corrosion resistance, the first collecting tank and the second collecting tank,
Reinforce the anticorrosion effect of collecting tank, improves service life of equipment.
Preferably, first nozzle 13 and the second nozzle 21 are all spiral nozzle.
First nozzle and the second nozzle are all set as spiral nozzle, and the uniformity and spray area of hydrojet, Jin Erti can be improved
High phosphatization tail gas and the contact area for spraying liquid, strengthen the assimilation effect of liquid.
The filter case phosphatization exhaust treatment system of the present invention removes the ash in phosphatization tail gas by dust-extraction unit first
Dirt prevents exhaust pipe road from being blocked because long-time uses, while additionally aiding subsequent vent gas treatment；Then pass through level-one
Absorption tower removes the acid mist and nitrogen dioxide in tail gas；The nitric oxide in tail gas is removed finally by two-level absorption tower；Tail gas
Purification is thorough, and the discharge standard of national regulation is met after purification；Further, packing layer is PP polyhedron empty ball packing layers, is improved
The contact area of liquid and tail gas in packing layer, makes tail gas and liquid be come into full contact in packing layer, improves the absorption of liquid
The upper and lower surface of effect, packing layer all installs the second pinhole plate, and lower part pinhole plate has gas distribution effect, top pinhole plate to rise in tail gas
It is acted on to water distribution, so that tail gas and liquid is evenly distributed in filled layer, enhance the absorbability of liquid.
It should be noted that herein, if there are first and second or the like relational terms to be used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (5)
1. a kind of filter case phosphatization exhaust treatment system, it is characterised in that：Including dust-extraction unit, first grade absorption tower and two level
Absorption tower, the dust-extraction unit include dust-removing box, and the lower part of the dust-removing box is provided with ash bucket, the side wall of the ash bucket
It is provided with dust-extraction unit air inlet, the dust-removing box is internally provided with a partition board being laterally arranged, and the partition board will remove
Dirt babinet is divided into upper chamber and lower chambers, and several filter bags, the upper end of the dust-removing box are equipped on the lower surface of the partition board
It is provided with dust-extraction unit gas outlet, the dust-extraction unit gas outlet is connected to upper chamber, and the dust-extraction unit gas outlet is logical
Piping is connected with air-introduced machine, and first grade absorption tower air inlet is provided on the first grade absorption tower, and the air-introduced machine passes through pipe
Road is connected with first grade absorption tower air inlet, and the first grade absorption tower is internally provided with the first nozzle, first nozzle and outer
Portion's water system connection, the inside of the first grade absorption tower are additionally provided with packing layer, and the packing layer is located at the first nozzle
Lower part, the bottom of the first grade absorption tower are equipped with the first collecting tank, the first grade absorption tower air inlet be located at packing layer and
Between first collecting tank, the inside of the first grade absorption tower is also equipped with fixed plate, and the upper end of the fixed plate is equipped with lye
Several tracheaes excessively are all arranged in the both ends of slot, the fixed plate, and described one end for crossing tracheae is connected to the lower surface of fixed plate, described
The other end for crossing tracheae sinks to lye trench bottom, and the top of the first grade absorption tower is provided with first grade absorption tower gas outlet, described
Be provided with two-level absorption tower air inlet on two-level absorption tower, the first grade absorption tower gas outlet by pipeline and two-level absorption tower into
Gas port connects, and the second nozzle is provided in the two-level absorption tower, and second nozzle is connected to external urea liquid supply pipe,
The two-level absorption tower is provided with several first pinhole plates setting up and down, the two-level absorption tower in the second nozzle lower position
Bottom be provided with the second collecting tank, the two-level absorption tower air inlet is located at the first pinhole plate of the lowermost and the second liquid collecting
Between slot, exhaust outlet is provided at the top of the two-level absorption tower.
2. a kind of filter case phosphatization exhaust treatment system according to claim 1, it is characterised in that：The partition board
On be provided with several ventholes, it is corresponding on each venthole that a snorkel being vertically arranged is installed, it is described logical
The lower end of tracheae is connected to filter bag, and the upper end of the snorkel is connected to upper chamber.
3. a kind of filter case phosphatization exhaust treatment system according to claim 1, it is characterised in that：The filler
Layer is PP polyhedron empty ball packing layers, and the upper and lower surface of packing layer is fitted with the second pinhole plate.
4. a kind of filter case phosphatization exhaust treatment system according to claim 1, it is characterised in that：The level-one is inhaled
The tower body for receiving tower and two-level absorption tower is all from the bottom to top by the sequentially connected several sections of compositions of flange, and the tower body is poly-
It is all covered with polyurea anti-corrosion layer on the inner wall of vinyl chloride, polypropylene or glass steel material, first collecting tank and the second collecting tank.
5. a kind of filter case phosphatization exhaust treatment system according to claim 1, it is characterised in that：Described first
Nozzle and the second nozzle are all spiral nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102219.0A CN108404629A (en) | 2018-02-01 | 2018-02-01 | A kind of filter case phosphatization exhaust treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102219.0A CN108404629A (en) | 2018-02-01 | 2018-02-01 | A kind of filter case phosphatization exhaust treatment system |
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| CN108404629A true CN108404629A (en) | 2018-08-17 |
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| CN201810102219.0A Pending CN108404629A (en) | 2018-02-01 | 2018-02-01 | A kind of filter case phosphatization exhaust treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230801A (en) * | 2021-05-14 | 2021-08-10 | 吕存英 | Dust clearance system based on artificial intelligence |
| CN113797661A (en) * | 2021-10-22 | 2021-12-17 | 南通友拓新能源科技有限公司 | Tail gas treatment system and method in electronic grade polycrystalline silicon production |
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| CN113230801B (en) * | 2021-05-14 | 2024-10-29 | 数字宁夏建设运营有限责任公司 | Dust cleaning system based on artificial intelligence |
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Application publication date: 20180817 |