CN109200768A - A kind of exhaust treatment system producing PVC - Google Patents
A kind of exhaust treatment system producing PVC Download PDFInfo
- Publication number
- CN109200768A CN109200768A CN201811244980.4A CN201811244980A CN109200768A CN 109200768 A CN109200768 A CN 109200768A CN 201811244980 A CN201811244980 A CN 201811244980A CN 109200768 A CN109200768 A CN 109200768A
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- spray
- layer
- absorbers
- absorber
- treatment system
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- 239000007921 spray Substances 0.000 claims abstract description 146
- 239000006096 absorbing agent Substances 0.000 claims abstract description 97
- 239000007788 liquid Substances 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 11
- 238000001802 infusion Methods 0.000 claims abstract description 10
- 239000010808 liquid waste Substances 0.000 claims abstract description 10
- 239000002912 waste gas Substances 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 14
- 238000011049 filling Methods 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 14
- 229920000915 polyvinyl chloride Polymers 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004014 plasticizer Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 241000219146 Gossypium Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- -1 2- ethyl Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000003466 welding Methods 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/14—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 by absorption
- B01D53/1487—Removing organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The present invention relates to a kind of exhaust treatment systems for producing PVC, including exhaust collection pipeline, No.1 spray absorber, No. two spray absorbers, blower, absorbing liquid storage box, water tank, circulating pump, purification tank for liquid waste, waste gas collection device, PLC electric cabinet, the air inlet of exhaust collection pipeline connection No.1 spray absorber, gas outlet connects the air inlet of No. two spray absorbers by blower, gas outlet connects waste gas collection device, absorbing liquid storage box connects No.1, the fluid infusion of No. two spray absorbers, No.1, the waste liquid outlet of No. two spray absorbers connects purification tank for liquid waste, No.1, the bottom inside No. two spray absorbers is circulation liquid bath, upward layer 2-4 is packing layer, 3rd and 4 layer is also spraying layer, several nozzles are housed on spraying layer, all nozzles face packing layer, all nozzles are logical It crosses high-pressure spray device and is connected to circulation liquid bath, blower, circulating pump and high-pressure spray device are electrically connected PLC electric cabinet.The high treating effect of this system.
Description
Technical field
The present invention relates to PVC production equipment technology more particularly to a kind of exhaust treatment systems for producing PVC.
Background technique
Polyvinyl chloride is commonly called as PVC, is that maximum, the most wide thermoplastic synthetic material of application range is produced in the world today
One of.Can be due to high temperature, oxidation in PVC heating process, it can be organic along with a part of plasticizer smog and low boiling point
The volatilization of object escapes, that is, the plastics exhaust gas described in us.With the continuous improvement of PVC plastic processing technology, production enterprise
Industry is also gradually to high speed, enlargement, serialization development.The concentration discharge of a large amount of plastic processing exhaust gas, results in day increasingly
The environmental pollution of weight.
For PVC plastic exhaust gas mainly using plasticizer as main component, the major pollutants in plasticizer exhaust gas are DOP plasticizer
(phthalic acid two (2- ethyl) ester), with containing a small amount of solid dust and organic smog.Currently used plasticizer is useless
Gas recovery and treatment method mainly has condensation method, absorption process, pressure swing adsorption method, absorption method and membrane separation technique.Existing plasticizer
The recovery and treatment method and technology of exhaust gas have been unable to satisfy the needs of growing economic development and the requirement of environmental protection, grind
Study carefully develop it is novel, by realize plasticizer exhaust-gas resource recycle for the purpose of method and technology it is extremely urgent.
Summary of the invention
Simple, high treating effect that the purpose of the present invention is to provide a kind of device structures, easy to maintain and operating cost are low
Production PVC exhaust treatment system.
To achieve the goals above, the technical solution adopted by the present invention is a kind of exhaust treatment system for producing PVC, packet
Include exhaust collection pipeline, No.1 spray absorber, No. two spray absorbers, blower, absorbing liquid storage box, water tank, circulating pump,
Purification tank for liquid waste, waste gas collection device, PLC electric cabinet, the air inlet of the exhaust collection pipeline connection No.1 spray absorber,
The gas outlet of No.1 spray absorber connects the air inlet of blower by gas pipeline, and the air outlet of blower is connected by gas pipeline
The air inlet of No. two spray absorbers is connect, the gas outlet of No. two spray absorbers connects waste gas collection device by gas pipeline,
Water tank connects the water inlet of No.1 spray absorber and No. two spray absorbers by water pipe, and absorbing liquid storage box passes through water pipe
The fluid infusion of No.1 spray absorber and No. two spray absorbers is connected, water tank and absorbing liquid storage box is arranged in circulating pump
Inside, and electrically-controlled valve is set on water pipe, the waste liquid outlet of No.1 spray absorber and No. two spray absorbers passes through pipeline
Connect purification tank for liquid waste, the inside of the No.1 spray absorber and No. two spray absorbers is separated by mesh partition as 4 floor, most
Bottom is circulation liquid bath, and upward layer 2-4 is packing layer, and the 3rd and 4 layer is also spraying layer simultaneously, upper equipped with several at the 3rd and 4 layer
A nozzle, all nozzles face packing layer, and all nozzles are connected to circulation liquid bath, blower, circulation by high-pressure spray device
Pump, electrically-controlled valve and high-pressure spray device are electrically connected PLC electric cabinet.
As an improvement of the present invention, filling space, No.1 spray are equipped between the circulation liquid bath and the 2nd layer of packing layer
The air inlet for drenching absorption tower and No. two spray absorbers is arranged in filling space, No.1 spray absorber and No. two spray-absorptions
The water inlet and fluid infusion of tower are arranged in the groove sidewall of circulation liquid bath, No.1 spray absorber and No. two spray absorbers it is useless
The slot bottom of circulation liquid bath is arranged in liquid outlet.
As an improvement of the present invention, the high-pressure spray device includes distribution supervisor, several branch pipes and recycling
Pump, the recirculation pump setting is in circulation liquid bath, the outlet of distribution supervisor's connection recirculation pump, all branch pipe rows annular in shape
Column are evenly arranged on the top of distribution supervisor, and are connected with distribution supervisor, and all nozzles connect one to one with branch pipe.
As an improvement of the present invention, the quantity of the nozzle is 10, is distinguished in the periphery of the 3rd and 4 layer of spraying layer
It is evenly distributed with 5 nozzles.
As an improvement of the present invention, it is filled with several hexahedron hollow spheres on the layer 2-4 packing layer, owns
Hexahedron hollow sphere is filled with every layer of packing layer, and all hexahedron hollow spheres on spraying layer are arranged in by the packet of nozzle around
It encloses, and nozzle faces the hexahedron hollow sphere at top.
As an improvement of the present invention, the nozzle uses high-pressure spiral nozzle, and high-pressure spray device can make spray liquid
It is uniformly distributed in No.1 spray absorber and No. two spray absorbers, the flow for flowing through every layer of spraying layer is also equal.
As an improvement of the present invention, demister is equipped at the top of the 4th floor of No. two spray absorbers, No. two sprays are inhaled
The gas outlet for receiving tower is connected with demister, and demister, which is located at, to be distributed on the nozzle of the 4th layer of spraying layer periphery.
As an improvement of the present invention, the hexahedron hollow sphere is made using PP material, the demister
Using efficient demisting plastic wire cotton.
As an improvement of the present invention, the fluid infusion and suction of the No.1 spray absorber and No. two spray absorbers
The connection water pipe for receiving liquid storage box is equipped with No.1 flowmeter, the water inlet of No.1 spray absorber and No. two spray absorbers with
The connection water pipe of water tank is equipped with No. two flowmeters, and No.1 flowmeter and No. two flowmeters are electrically connected PLC electric cabinet.
Compared with the existing technology, overall system architecture of the invention is ingenious in design, structurally reasonable stabilization, service life of equipment
Long, maintenance is simple, conveniently, and treatment effect is stablized, the exhaust gas of PVC production line discharge collected by exhaust collection pipeline after successively
It conveys into spray-absorption filtration treatment is carried out in No.1 spray absorber and No. two spray absorbers, spray liquid is in exhaust gas in tower
Pollutants removal rate can reach 90% or more, high treating effect, and exhaust purification efficiency is high, reaches exhaust gas after treatment and receives
Each pollutant index content meets discharge standard in the exhaust gas of acquisition means.It is filled out in No.1 spray absorber and No. two spray absorbers
The setting of material space can effectively increase the contact area of liquid gas, so that the absorption efficiency to exhaust gas is dramatically improved,
The hexahedron hollow sphere filled on packing layer is capable of increasing the specific surface area of packing layer, so that exhaust gas and spray liquid
It sufficiently contacts for a long time, effectively improves the purified treatment effect to exhaust gas, high-pressure spray device can be such that spray liquid sprays in No.1
Be uniformly distributed in absorption tower and No. two spray absorbers, the flow for flowing through every layer of spraying layer is also equal, by No.1 flowmeter and
Electrically-controlled valve on No. two flowmeter combination water pipes can be to the water flowed into No.1 spray absorber and No. two spray absorber towers
It is carried out automatically controlling with the amount of medical fluid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of production PVC exhaust treatment system proposed by the invention.
In figure: 1- exhaust collection pipeline, 2- No.1 spray absorber, No. bis- spray absorbers of 3-, 4- blower, 5- water storage
Case, 6- absorbing liquid storage box, 7- waste gas collection device, 8- purification tank for liquid waste, 9- mesh partition, 10- hexahedron hollow sphere, 11-
Nozzle, 12- distribution supervisor, 13- branch pipe, 14- recirculation pump, 15- flowmeter, 16- electrically-controlled valve, 17- demister.
Specific embodiment
In order to deepen the understanding of the present invention and recognize, the invention will be further described below in conjunction with the accompanying drawings and introduces.
As shown in Figure 1, a kind of exhaust treatment system for producing PVC, including exhaust collection pipeline 1, No.1 spray absorber
2, No. two spray absorbers 3, blower 4, absorbing liquid storage box 6, water tank 5, circulating pump, purification tank for liquid waste 8, waste gas collection device
7, the tower body of PLC electric cabinet, 2, No. two spray absorbers 3 of No.1 spray absorber passes through mechanical welding procedure life using PP material
Manufacture is produced, has many advantages, such as that intensity height, corrosion resistance and good, reliable in quality, the exhaust collection pipeline 1 connect No.1 spray and inhale
The air inlet of tower 2 is received, the exhaust gas of PVC production line discharge is conveyed by the collection of exhaust collection pipeline 1 into No.1 spray absorber 2
In, the gas outlet of No.1 spray absorber 2 connects the air inlet of blower 4 by gas pipeline, and the air outlet of blower 4 passes through gas transmission
Pipeline connects the air inlet of No. two spray absorbers 3, and ball valve is arranged on gas pipeline, on the one hand can be used for controlling the gas of gas transmission
On the other hand flow velocity degree is also convenient for overhauling, by No.1 spray absorber 2 spray oil removal treatment after tail gas by blower 4 into
One step is sent into No. two spray absorbers 3, and the gas outlet of No. two spray absorbers 3 connects waste gas collection device by gas pipeline
7, for waste gas collection device 7 for collecting by spray filtering treated purified gas, water tank 5 connects No.1 spray by water pipe
The water inlet on absorption tower 2 and No. two spray absorbers 3, absorbing liquid storage box 6 connect No.1 spray absorber 2 and two by water pipe
The fluid infusion of number spray absorber 3, the inside of water tank 5 and absorbing liquid storage box 6 is arranged in circulating pump, and is arranged on water pipe
Electrically-controlled valve 16, water tank 5 and absorbing liquid storage box 6 respectively to No.1 spray absorber 2 and No. two spray absorbers 3 supply water and
For absorbing the medical fluid of tail gas, water and medical fluid have been mixed to form spray liquid according to a certain percentage, with 2 phase of No.1 spray absorber
Storage can absorb polar organic molecule to realize the polarity medicine of oil removing and smoke abatement purified treatment in absorbing liquid storage box 6 even
Liquid, and storage can inhale non-receipts polar organic molecule to realize in the absorbing liquid storage box 6 being connected with No. two spray absorbers 3
The waste liquid outlet of the nonpolar medical fluid for the purified treatment that eliminates the unusual smell, No.1 spray absorber 2 and No. two spray absorbers 3 passes through pipe
Road connects purification tank for liquid waste 8, is using a period of time when the spray liquid in No.1 spray absorber 2 and No. two spray absorbers 3
Afterwards, drug effect can reduce, and need to be expelled in purification tank for liquid waste 8 by waste liquid outlet and be recycled.The No.1 spray
Leaching absorption tower 2 and the inside of No. two spray absorbers 3 are separated by mesh partition 9 as 4 floor, the net of the use PP material of mesh partition 9
Shape porous plate can pass through convenient for exhaust gas with spray liquid, and the bottom is circulation liquid bath, and upward layer 2-4 is packing layer, and the 3rd and 4 layer same
When be also spraying layer, the 3rd and 4 layer it is upper several nozzles 11 are housed, all nozzles 11 face packing layer, and all nozzles 11 are logical
Cross high-pressure spray device be connected to circulation liquid bath, blower 4 and circulating pump by frequency converter be electrically connected PLC electric cabinet, can be to blower 4
Frequency control is realized with circulating pump, and electrically-controlled valve 16 and high-pressure spray device are electrically connected PLC electric cabinet, and whole system can pass through PLC
Electric cabinet carries out Automatic Control.
Preferably, in the present embodiment, filling space, No.1 spray are equipped between the circulation liquid bath and the 2nd layer of packing layer
The air inlet for drenching absorption tower 2 and No. two spray absorbers 3 is arranged in filling space, and the setting of filling space can effectively increase
The contact area of liquid gas, so that the absorption efficiency to exhaust gas is dramatically improved, No.1 spray absorber 2 and No. two sprays
The water inlet and fluid infusion on absorption tower 3 are arranged in the groove sidewall of circulation liquid bath, No.1 spray absorber 2 and No. two spray-absorptions
The slot bottom of circulation liquid bath is arranged in the waste liquid outlet of tower 3.
Preferably, in the present embodiment, the high-pressure spray device includes distribution supervisor 12, several branch pipes 13 and recycling
Pump 14, the setting of recirculation pump 14 is in circulation liquid bath, the outlet of 12 connection recirculation pump 14 of distribution supervisor, all branch pipes 13
Arrangement annular in shape is evenly arranged on the top of distribution supervisor 12, and is connected with distribution supervisor 12, all nozzles 11 and branch pipe 13 1
One is correspondingly connected with.
Preferably, in the present embodiment, the quantity of the nozzle 11 is 10, is distinguished in the periphery of the 3rd and 4 layer of spraying layer
It is evenly distributed with 5 nozzles 11.The corresponding branch pipe 13 of each nozzle 11, the corresponding 1 group of branch pipe 13 of every 5 nozzles 11, shares 2 groups
Branch pipe 13 is provided with one group of branch pipe 13 in every layer of spraying layer, and such structure setting can ensure that every layer of spraying layer can receive
Flow to spray liquid is identical.
Preferably, in the present embodiment, several hexahedron hollow spheres 10, institute are filled on the layer 2-4 packing layer
There is hexahedron hollow sphere 10 to be filled with every layer of packing layer, all hexahedron hollow spheres 10 on spraying layer are set by nozzle around
11 encirclement, and nozzle 11 faces the hexahedron hollow sphere 10 at top.All hexahedron hollow spheres 10 are capable of increasing filler
The specific surface area of layer effectively improves the purified treatment to exhaust gas so that exhaust gas sufficiently contacts for a long time with spray liquid
Effect.
Preferably, in the present embodiment, the nozzle 11 uses high-pressure spiral nozzle 11, which has spray angle
Greatly, it is spraying uniformly, the characteristics of being not easy to plug, spray liquid can be atomized by nozzle 11, and the spray liquid recycled in liquid bath passes through recycling
Pump 14 is delivered in nozzle 11 by the guiding of distribution supervisor 12 and several branch pipes 13, is sprayed into exhaust gas by nozzle 11.High pressure spray
Shower device can be such that spray liquid is uniformly distributed in No.1 spray absorber 2 and No. two spray absorbers 3, flow through every layer of spraying layer
Flow is also equal.
Preferably, in the present embodiment, demister 17, No. two sprays are equipped at the top of the 4th floor of No. two spray absorbers 3
The gas outlet on absorption tower 3 is connected with demister 17, demister 17 be located at be distributed in the 4th layer of spraying layer periphery nozzle 11 it
On, demister 17 is not contacted with nozzle 11, and the spray liquid that nozzle 11 sprays can not can avoid in this way demisting close to demister 17
Interference of the device 17 by spray liquid.
Preferably, in the present embodiment, the hexahedron hollow sphere 10 is made using PP material, the demister
17 use efficient demisting plastic wire cottons, and for demister 17 for drop entrained by the complete purified gas of separating treatment, exhaust gas passes through the
After the circulated sprinkling liquid spraying layer of layer 2-4, then demister 17 is flowed in series through, drop drops to downwards the 4th layer due to effect of inertia
Hexahedron hollow sphere 10 in continue to participate in spray irrigation.
Preferably, in the present embodiment, the fluid infusion and suction of the No.1 spray absorber 2 and No. two spray absorbers 3
The connection water pipe for receiving liquid storage box 6 is equipped with No.1 flowmeter 15, No.1 spray absorber 2 and No. two spray absorbers 3 into
The connection water pipe of the mouth of a river and water tank 5 is equipped with No. two flowmeters 15, and No.1 flowmeter 15 and No. two flowmeters 15 are electrically connected
PLC electric cabinet.Combine the electrically-controlled valve 16 on water pipe that can spray to No.1 is flowed by No.1 flowmeter 15 and No. two flowmeters 15
The amount of leaching absorption tower 2 and water and medical fluid in No. two 3 towers of spray absorber carries out automatically controlling, consequently facilitating spray in adjustment tower
The concentration and proportion of liquid.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of exhaust treatment system for producing PVC, it is characterised in that: including exhaust collection pipeline, No.1 spray absorber, two
Number spray absorber, blower, absorbing liquid storage box, water tank, circulating pump, purification tank for liquid waste, waste gas collection device, PLC are automatically controlled
Case, the air inlet of the exhaust collection pipeline connection No.1 spray absorber, the gas outlet of No.1 spray absorber passes through gas transmission
Pipeline connects the air inlet of blower, and the air outlet of blower is by the air inlets of gas pipeline No. two spray absorbers of connection, and No. two
The gas outlet of spray absorber connects waste gas collection device by gas pipeline, and water tank connects No.1 spray-absorption by water pipe
The water inlet of tower and No. two spray absorbers, absorbing liquid storage box connects No.1 spray absorber by water pipe and No. two sprays are inhaled
The fluid infusion of tower is received, the inside of water tank and absorbing liquid storage box is arranged in circulating pump, and electrically-controlled valve is arranged on water pipe, No.1
The waste liquid outlet of spray absorber and No. two spray absorbers connects purification tank for liquid waste, the No.1 spray-absorption by pipeline
The inside of tower and No. two spray absorbers is separated by mesh partition as 4 floor, and the bottom is circulation liquid bath, and upward layer 2-4 is filler
Layer, the 3rd and 4 layer is also spraying layer simultaneously, and upper equipped with several nozzles at the 3rd and 4 layer, all nozzles face packing layer, institute
There is nozzle to be connected to circulation liquid bath by high-pressure spray device, blower, circulating pump, electrically-controlled valve and high-pressure spray device are electrically connected
PLC electric cabinet.
2. a kind of exhaust treatment system for producing PVC as described in claim 1, which is characterized in that the circulation liquid bath and the 2nd
Filling space is equipped between layer packing layer, the air inlet setting of No.1 spray absorber and No. two spray absorbers is in filling space
In, the water inlet and fluid infusion of No.1 spray absorber and No. two spray absorbers are arranged in the groove sidewall of circulation liquid bath, and one
The slot bottom of circulation liquid bath is arranged in the waste liquid outlet of number spray absorber and No. two spray absorbers.
3. a kind of exhaust treatment system for producing PVC as claimed in claim 2, which is characterized in that the high-pressure spray device
Including distribution supervisor, several branch pipes and recirculation pump, in circulation liquid bath, distribution supervisor's connection follows again for the recirculation pump setting
The outlet of ring pump, all branch pipe arrangements annular in shape are evenly arranged on the top of distribution supervisor, and are connected with distribution supervisor, all sprays
Mouth connects one to one with branch pipe.
4. a kind of exhaust treatment system for producing PVC as claimed in claim 3, which is characterized in that the quantity of the nozzle is
10,5 nozzles have been respectively uniformly distributed in the periphery of the 3rd and 4 layer of spraying layer.
5. a kind of exhaust treatment system for producing PVC as claimed in claim 4, which is characterized in that the layer 2-4 packing layer
Upper to be filled with several hexahedron hollow spheres, all hexahedron hollow spheres are filled with every layer of packing layer, are arranged on spraying layer
All hexahedron hollow spheres by nozzle around encirclement, and nozzle face top hexahedron hollow sphere.
6. a kind of exhaust treatment system for producing PVC as claimed in claim 5, which is characterized in that the nozzle uses high pressure
Spiral nozzle, high-pressure spray device can be such that spray liquid is uniformly distributed in No.1 spray absorber and No. two spray absorbers, stream
Flow through every layer of spraying layer is also equal.
7. a kind of exhaust treatment system for producing PVC as claimed in claim 6, which is characterized in that in No. two spray absorbers
The 4th layer of top be equipped with demister, the gas outlet of No. two spray absorbers is connected with demister, and demister is positioned at being distributed in the
On the nozzle of 4 layers of spraying layer periphery.
8. a kind of exhaust treatment system for producing PVC as claimed in claim 7, which is characterized in that the hexahedron hollow sphere
It is to be made using PP material, the demister uses demisting plastic wire cotton.
9. a kind of exhaust treatment system for producing PVC as claimed in claim 8, which is characterized in that the No.1 spray-absorption
The connection water pipe of the fluid infusion of tower and No. two spray absorbers and absorbing liquid storage box is equipped with No.1 flowmeter, and No.1 spray is inhaled
The connection water pipe of the water inlet and water tank of receiving tower and No. two spray absorbers is equipped with No. two flowmeters, No.1 flowmeter and two
Number flowmeter is electrically connected PLC electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244980.4A CN109200768B (en) | 2018-10-24 | Tail gas treatment system for PVC production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244980.4A CN109200768B (en) | 2018-10-24 | Tail gas treatment system for PVC production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109200768A true CN109200768A (en) | 2019-01-15 |
| CN109200768B CN109200768B (en) | 2024-11-08 |
Family
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| CN203990287U (en) * | 2014-07-29 | 2014-12-10 | 杭州绿然环保设备有限公司 | A kind of spray column |
| CN104474852A (en) * | 2014-11-20 | 2015-04-01 | 周淑华 | Ammonia gas absorbing and treating device and absorbing method thereof |
| CN206660889U (en) * | 2017-01-22 | 2017-11-24 | 连云港恒贸化工有限公司 | A kind of device for absorbing tail gas with double purified function |
| CN209392988U (en) * | 2018-10-24 | 2019-09-17 | 中科协创环境科技江苏有限公司 | A kind of exhaust treatment system producing PVC |
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