CN110180276A - The dual nested refining glue exhaust gas concentration collection device of one kind and its collection method - Google Patents
The dual nested refining glue exhaust gas concentration collection device of one kind and its collection method Download PDFInfo
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- CN110180276A CN110180276A CN201910602839.5A CN201910602839A CN110180276A CN 110180276 A CN110180276 A CN 110180276A CN 201910602839 A CN201910602839 A CN 201910602839A CN 110180276 A CN110180276 A CN 110180276A
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- 239000003292 glue Substances 0.000 title claims abstract description 24
- 238000007670 refining Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000009977 dual effect Effects 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims description 63
- 239000012855 volatile organic compound Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 19
- 239000002912 waste gas Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 3
- 230000036651 mood Effects 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000005273 aeration Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 235000019241 carbon black Nutrition 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 230000001925 catabolic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- -1 and to solve Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010074 rubber mixing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The invention belongs to aeration technology fields, the dual nested refining glue exhaust gas concentration collection device of one kind and its collection method are disclosed, wherein collection device includes outer enclosure, updraft type exhaust hood, exhaust duct, cleaner, exhaust blower, return air duct, exhaust duct electrically operated valve, return air electrically operated valve and controller.The outer enclosure stops mixer, the updraft type exhaust hood is located inside the outer enclosure, above feed inlet, the updraft type exhaust hood, exhaust duct, cleaner, exhaust blower and return air duct constitute circulation air path, the air draft electrically operated valve is located on exhaust duct, the return air electrically operated valve is located on return air duct, the opening and closing of controller control the air draft electrically operated valve and return air electrically operated valve.Mainly collection device is concentrated by using dual nested refining glue exhaust gas in the present invention, solves the problems, such as that dust overflows scattered in mixing process, and realize that the high concentration of organic exhaust gas is collected by air draft and the switching control of circulated air.
Description
Technical field
The invention belongs to aeration technology fields, are related to the dual nested refining glue exhaust gas concentration collection device of one kind and its collection side
Method.
Background technique
Rubber refining glue flue gas contains there are many hazardous contaminant, is with stench, dust, volatile organic matter (VOCs)
It is main, environment and human body are endangered very big.And at current feeder nose of banbury mixer be mostly open type or top air-suction cover is only set, it deposits
The problem of: first is that poor to the trapping effect of dust and exhaust gas, especially during feeding and pushing up bolt punching press, a large amount of carbon blacks
Dust and organic exhaust gas, which overflow, is scattered to workshop, causes workshop condition severe, influences the health of worker；Second is that exhaust air rate is big, organic waste
The collection concentration of gas is low, brings great load to subsequent waste gas collection device and bears, directly contributes higher initial cost
And operating cost.For the processing with " Wind Volume, low concentration " exhaust gas, currently used method is to utilize active carbon or zeolite
The mode adsorbed and be desorbed to VOCs realizes the concentration of exhaust gas, and it is all that there are costs of investment is high for which, equipment volume is big etc.
More disadvantages.Partial monopoly has proposed to improve gas sampling concentration by circulated air in the way of circulation concentration.
Such as patent (publication number CN107803091A) is related to a kind of synthetic fiber spinning circular blow wind waste gas circulation concentration systems.One
Kind synthetic fiber spinning circular blow wind waste gas circulation concentration systems, which includes closed closed circular blow path, circular blow wind blower, return air
Collection device, return air air-conditioning device and air intake passage, the circular blow wind blower connect air intake passage, and air intake passage connects return air
The top in closed circular blow path is arranged in air-conditioning device, circular blow wind blower, and the return air collection device is arranged in closed circular blow
The lower section in path, return air collection device collect the return air in closed circular blow path, and return air enters the return air by return air inlet
Air-conditioning device.The system carries out circulation concentration to synthetic fiber spinning circular blow wind exhaust gas, and exhausted air quantity greatly reduces, and facilitates the place of exhaust gas
Reason, while the heat in exhaust gas is recycled, reduce the loss of energy.
Such as patent (publication number CN102580451A) discloses a kind of administering method of lacquer spraying waste gas, is concentrated using circulation
Mode lacquer spraying waste gas is handled, i.e., it is the Wind Volume of paint spray booth's discharge, light concentration gas is most of after paint mist treatment
Recycling spraying paint room discharges after small portion of gas purification, and with the progress of paint spraying, the gas concentration in paint spray booth is gradually mentioned
Height, so Wind Volume gas concentration at one small-flow gas carry out purified treatment, be conducive to improve exhaust gas purification efficiency,
Stability, safety, while reducing the investment of processing equipment, operating cost.The invention can be reduced the discharge air quantity of exhaust gas, conscientiously
Lacquer spraying waste gas is effectively administered, exhaust gas is made to reach the three waste discharge requirement of discharge country.
Therefore, a kind of dual nested refining glue exhaust gas targetedly is provided to the harmful smoke generated in rubber mixing process
Collection device and its collection method is concentrated, is a technical problem to be solved urgently.
Summary of the invention
The purpose of the present invention is to provide a kind of dual nested refining glue exhaust gas concentration collection device and its collection methods, utilize
Aeration technology means realize the efficient collection to refining glue exhaust gas, and to solve, dust in mixing process is excessive to be dissipated and " low concentration, strong wind
The problem of amount " organic exhaust gas refractory reason.
In order to achieve the above objectives, solution of the invention is: providing a kind of dual nested refining glue exhaust gas concentration receipts first
Acquisition means, including outer enclosure, updraft type exhaust hood, exhaust duct, cleaner, exhaust blower, return air duct, air draft motor-driven valve
Door, return air electrically operated valve and controller.The updraft type exhaust hood is inside the outer enclosure, above mixing machine inlet；
The updraft type exhaust hood, exhaust duct, cleaner, exhaust blower and return air duct constitute circulation air path.The exhaust duct
It is connect with the updraft type exhaust hood upper end outlet, and passes through the upper end of the outer enclosure, extend into the outer enclosure
It is internal；The cleaner, exhaust blower, air draft electrically operated valve are successively installed on the exhaust duct by air draft direction；Institute
It states exhaust duct and is located at the subsequent part of the exhaust blower and be provided with branch, branch connect with the return air duct and passes through described
Return air duct is connected with the outer enclosure；The exhaust duct is located at the subsequent part of branch, and to be provided with the air draft electronic
Valve；The return air electrically operated valve is located at the position on the return air duct close to the branch, the controller and the row
Wind-powered electricity generation movable valve, return air electrically operated valve electrical connection, for controlling the air draft electrically operated valve and the return air electrically operated valve
Opening and closing.
Further, the outer enclosure covers on outside the mixer, opens towards the side in material conveyor belt direction
Equipped with material transferring window；The material conveyor belt is deep on the mixing machine inlet by the material transferring window
Side, Xiang Suoshu mixing machine inlet transmit material；The outer enclosure be located at the material transferring window above be equipped with and institute
State the return air inlet of return air duct connection；The material transferring window is provided with magnetic in the place inside the outer enclosure
Formula dust-break curtain, the magnetic-type dust-break curtain are fitted closely with the outer enclosure, form excellent sealing, and dust is stopped to leak.
Preferably, the magnetic-type dust-break curtain is that strip curtain close to each other is composed, the curtain and curtain it
Between fit closely, fitted closely between the curtain and the outer enclosure.
Further, the updraft type exhaust hood is located inside the outer enclosure, above mixing machine inlet, it is described on
The position of height of the cover mouth installation site of suction exhaust hood close to the mixing machine inlet but not less than the return air inlet.
Further, the cleaner is preferably sack cleaner, can effectively intercept the carbon black of 0.3~10 μm of partial size
Dust.
Further, the controller is electrically connected with the air draft electrically operated valve and the return air valve, in the air draft stage,
The air draft electrically operated valve is opened, the return air electrically operated valve is closed；In the cycle stage, the return air electrically operated valve is opened, is closed
The small air draft electrically operated valve controls return air ratio, keeps covering interior negative pressure.
The present invention also provides a kind of dual nested refining glue exhaust gas, and collection method is concentrated, comprising the following steps:
In the cycle stage, the controller controls the return air Electric air valve and opens, and the air draft Electric air valve is closed, institute
It states exhaust gas of the updraft type exhaust hood collection containing dust and enters the exhaust duct, it is low after the cleaner, exhaust blower
Dust exhaust gas cycles back to the outer enclosure by the return air duct, so that organic exhaust gas (VOCs) in the outer enclosure
Concentration is continuously increased；When the time reaching setting value T1, the cycle stage terminates, into the air draft stage.
In the air draft stage, the controller controls the return air electrically operated valve and closes, and the air draft electrically operated valve is opened, institute
It states and forms negative pressure in outer enclosure, the magnetic-type dust-break curtain is opened into the outer enclosure under the action of negative pressure, mends general mood
Stream enters in the outer enclosure, and VOCs concentration gradually decreases in the outer enclosure；The updraft type exhaust hood collects exhaust gas
Into the exhaust duct, after the cleaner, exhaust blower, self raising flour dirt high concentration VOCs exhaust gas enters subsequent purification
Equipment is for further processing；When the time reaching setting value T2, the air draft stage terminates, into the cycle stage.
Preferably, further comprising the steps of: the controller controls air draft according to preset time command T1 and T2
The switching time in stage and cycle stage.
Preferably, further comprising the steps of: duration T 1 and the air draft stage of cycle stage are determined by preliminary experiment
Duration T 2.With organic volatile VOCs for main pollutant catabolic gene object, it is raw that a refining glue is measured using concentration volumetric method
The VOCs total evapo-transpiration in the period is produced, and then obtains the VOCs in a production cycle and is averaged emission intensity:
In formula,
EmThe average emission intensity of-VOCs, i.e., the average emission of VOCs, mg/s in the unit time；
CtThe real-time air draft concentration value of-VOCs, mg/m3；
G-exhaust air rate, m3/s；
The duration of a production cycle of T-, s.
Theoretically VOCs concentration can be with continuous concentration, due to safety concerns, in exhaust gas in the setting of VOCs concentration in exhaust gas
Limit value CmaxThe 25% of VOCs Mixed Gases Explosion lower limit value should be lower than.
1 calculation formula of duration T of cycle stage is as follows:
In formula, VfFor space total measurement (volume), including the outer enclosure, exhaust duct and return air duct, m3。
In the case where designing exhaust air rate Q, VOCs concentration is measured in exhaust gas from upper limit value cmaxIt is reduced to the stable time, is made with this
For the duration T in air draft stage2, theoretical calculation formula are as follows:
By adopting the above scheme, the beneficial effects of the present invention are:
Using double-layer nested collection device, dust-laden exhaust gas is controlled mixer whole blocks in local model by outer enclosure
In enclosing, conducive to the collection of exhaust gas, avoids extraneous factor and interfere lower dust is excessive to dissipate the problem for causing workshop condition severe；Meanwhile
Internal updraft type exhaust hood is set, dust is trapped nearby with lesser air quantity in dirt source point, further improves dust
Arresting efficiency reduces dust and overflows a possibility that scattered.
Updraft type exhaust hood, exhaust duct, return air duct, outer enclosure form circulation air path, are effectively removing dust
Meanwhile using the technology of circulating ventilation, the collection concentration of organic exhaust gas is promoted, realizes the high concentration intermittence row of organic exhaust gas
It puts, so that the treatment effeciency of subsequent purification equipment is higher, reduces the initial cost and operating cost of equipment, solve refining glue organic exhaust gas
The processing problem of " air quantity is big, concentration is low ".
Quickly due to the air velocity decaying outside updraft type exhaust hood cover mouth, so needing biggish exhaust air rate that could control
System point causes required controlled wind speed.In the present invention, it is negative pressure in updraft type exhaust hood cover, is positive pressure at return air inlet, is formed
Blowing and drawing ventilation, by blow, inspiratory flow associated working carry out dust control and conveying, can use lesser air quantity and reach
Preferable trapping effect.
It is mentioned without human intervention by the switching in time command control system the air draft stage and cycle stage of controller
The high safety and stability of system operation.
Detailed description of the invention
Fig. 1 is a specific embodiment of the invention.
1- outer enclosure；2- updraft type exhaust hood；3- exhaust duct；4- cleaner；5- exhaust blower；6- return air duct；
7- air draft electrically operated valve；8- return air electrically operated valve；9- controller；The magnetic-type dust-break curtain of 10-；11- mixer；12- conveyer belt.
Embodiment
The dual nested refining glue exhaust gas concentration collection device of one kind of the invention and its collection method are made below in conjunction with attached drawing
Further instruction.
As shown in Figure 1, collection device, including outer enclosure 1, updraft type exhaust hood is concentrated in a kind of dual nested refining glue exhaust gas
2, exhaust duct 3, cleaner 4, exhaust blower 5, return air duct 6, air draft electrically operated valve 7, return air electrically operated valve 8 and controller 9.
The updraft type exhaust hood 2 is located inside the outer enclosure 1, above 11 feed inlet of mixer, the updraft type exhaust hood 2,
Exhaust duct 3, cleaner 4, exhaust blower 5 and return air duct 7 constitute circulation air path, the exhaust duct 3 and the updraft type
The connection of 2 upper end outlet of exhaust hood, and the upper end of the outer enclosure 1 is passed through, it extend into the inside of the outer enclosure 1；It is described
Cleaner 4, exhaust blower 5, air draft electrically operated valve 7 are successively installed on the exhaust duct 3 by air draft direction；In the air draft
Pipeline 3 is located at the subsequent part of the exhaust blower 5 and is provided with branch, and branch connect with the return air duct 6 and returned by described
Air piping 6 is connected with the outer enclosure 1；The exhaust duct 3 is located at the subsequent part of branch and is provided with the air draft electricity
Movable valve 7；The return air electrically operated valve 8 is located at the position on the return air duct 6 close to the branch, the controller 9 with
The air draft electrically operated valve 7, the return air electrically operated valve 8 electrical connection, for controlling the air draft electrically operated valve 7 and the return air
The opening and closing of electrically operated valve 8.The cleaner 4 uses sack cleaner, can effectively intercept the carbon black powder of 0.3~10 μm of partial size
Dirt.
The outer enclosure 1 stops the mixer 11, material transferring window is provided in side wall, for the conveyer belt 12
Transmit material, and the wind-supplying mouth as the air draft stage；The material transferring window is equipped with the magnetic-type dust-break curtain 10.It is described
Updraft type exhaust hood 2 is located inside the outer enclosure 1, above 11 feed inlet of mixer, 2 cover mouth of the updraft type exhaust hood peace
Holding position is close to 11 feed inlet of mixer but is not less than return air open height, and air draft and return air is made to form blowing-suction type air-stream, control
The diffusion of dust processed.The controller 9 controls the air draft electrically operated valve 7 and the return air according to preset time command
The opening and closing of electrically operated valve 8, to control the switching time of air draft stage and cycle stage: in the air draft stage, opening the air draft
Electrically operated valve 7 closes the return air electrically operated valve 8；In the cycle stage, the return air electrically operated valve 8 is opened, the air draft is closed
Electrically operated valve 7.
After being arranged with above structure, the present invention also provides dual nested refining glue exhaust gas, and collection method, this implementation is concentrated
The above-mentioned collection device of example can also be implemented by the collection method, which specifically includes:
(1) the time T of cycle stage is determined by preliminary experiment1With the time T in air draft stage2.The specific method is as follows:
With organic volatile VOCs for main pollutant catabolic gene object, a refining glue is measured using concentration volumetric method and produces week
VOCs total evapo-transpiration in phase, and then obtain the VOCs in a production cycle and be averaged emission intensity:
In formula,
EmThe average emission intensity of-VOCs, i.e., the average emission of VOCs, mg/s in the unit time；
CtThe real-time air draft concentration value of-VOCs, mg/m3；
G-exhaust air rate, m3/s；
The duration of a production cycle of T-, s.
Theoretically VOCs concentration can be with continuous concentration, due to safety concerns, in exhaust gas in the setting of VOCs concentration in exhaust gas
Limit value CmaxThe 25% of VOCs Mixed Gases Explosion lower limit value should be lower than.
1 calculation formula of duration T of cycle stage is as follows:
In formula, VfFor space total measurement (volume), including outer enclosure 1, exhaust duct 3 and return air duct 6, m3。
In the case where designing exhaust air rate Q, VOCs concentration is measured in exhaust gas from upper limit value cmaxIt is reduced to the stable time, is made with this
For the duration T in air draft stage2, theoretical calculation formula is
(2) in the cycle stage, the controller 9 controls the return air electrically operated valve 8 and opens, the air draft electrically operated valve 7
It closes.According to the closing degree of the adjustable air draft electrically operated valve 7 of the leakproofness of the outer enclosure 1, control air draft and
The ratio of return air maintains to cover interior tiny structure between 5%~10%；The updraft type exhaust hood 2 collects the exhaust gas containing dust
Into the exhaust duct 3, after the cleaner 4, the exhaust blower 5, no dust exhaust gas passes through the return air duct 6
The outer enclosure 1 is cycled back to, so that organic exhaust gas concentration is continuously increased in the outer enclosure 1；Reach setting when the time
Value T1When, the cycle stage terminates, into the air draft stage.
(3) at air draft rank end, the controller 9 controls the return air electrically operated valve 8 and closes, the air draft electrically operated valve 7
Open, the updraft type exhaust hood 2 collects the exhaust gas containing dust and enters the exhaust duct 3, by the cleaner 4,
After the exhaust blower 5, self raising flour dirt high-concentration waste gas enters subsequent purification equipment and is for further processing；The magnetic-type dust-break curtain
10 open into the outer enclosure 1 under the action of negative pressure, mend general mood stream and are entered by the material transferring window, the outer cup
Exhaust gas VOCs concentration gradually decreases in body 1；Reach setting value T when the time2When, the air draft stage terminates, into the cycle stage.
The present invention solves the problems, such as that dust overflows scattered in mixing process by using dual nested collection device, while can be big
Width reduces system exhaust air rate；It can realize that the concentration of organic exhaust gas and high concentration are collected by air draft and the switching control of circulated air.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (7)
1. collection device is concentrated in a kind of dual nested refining glue exhaust gas, it is characterised in that: including outer enclosure (1), updraft type air draft
Cover (2), exhaust duct (3), cleaner (4), exhaust blower (5), return air duct (6), air draft electrically operated valve (7), return air are electronic
Valve (8) and controller (9)；The updraft type exhaust hood (2) is internal in the outer enclosure (1), the charging of mixer (11)
Above mouthful；The updraft type exhaust hood (2), exhaust duct (3), cleaner (4), exhaust blower (5) and return air duct (6) are constituted
Circulation air path；The exhaust duct (3) connect with updraft type exhaust hood (2) upper end outlet, and passes through the outer enclosure
(1) upper end extend into the inside of the outer enclosure (1)；The cleaner (4), exhaust blower (5), air draft electrically operated valve
(7) it is successively installed on by air draft direction on the exhaust duct (3)；After the exhaust duct (3) are located at the exhaust blower (5)
The part in face is provided with branch, and branch connect with the return air duct (6) and by the return air duct (6) and the outer cup
Body (1) is connected；The exhaust duct (3) is located at the subsequent part of branch and is provided with the air draft electrically operated valve (7)；Described time
Wind-powered electricity generation movable valve (8) is located at the position on the return air duct (6) close to the branch, the controller (9) and the air draft
Electrically operated valve (7), the return air electrically operated valve (8) electrical connection, for controlling the air draft electrically operated valve (7) and return air electricity
The opening and closing of movable valve (8).
2. collection device is concentrated in the dual nested refining glue exhaust gas of one kind according to claim 1, it is characterised in that: the outside
Cover (1) covers on the mixer (11) outside, is offering material transferring window towards the side in material conveyor belt (12) direction
Mouthful；The material conveyor belt (12) is deep into above the mixer (11) feed inlet by the material transferring window, to institute
State mixer (11) feed inlet transmission material；The outer enclosure (1) be located at the material transferring window above be equipped with and institute
State the return air inlet of return air duct (6) connection；The material transferring window is in the place setting internal close to the outer enclosure (1)
There is magnetic-type dust-break curtain (10), the magnetic-type dust-break curtain (10) fits closely with the outer enclosure (1), is formed good close
Envelope stops dust to leak.
3. collection device is concentrated in the dual nested refining glue exhaust gas of one kind according to claim 2, it is characterised in that: the magnetic
Formula dust-break curtain (10) is that strip curtain close to each other is composed, and is fitted closely between the adjacent curtain by magnetic,
It is fitted closely between the curtain and the outer enclosure (1) by magnetic.
4. collection device, feature is concentrated in the dual nested refining glue exhaust gas of one kind described in any one of -3 according to claim 1
Be: the cover mouth installation site of the updraft type exhaust hood (2) is returned close to the mixer (11) feed inlet but not less than described
The position of the height in air port.
5. collection device is concentrated in the dual nested refining glue exhaust gas of one kind according to claim 1, it is characterised in that: the dedusting
Equipment (4) is preferably sack cleaner, can effectively intercept the carbon powder dust of 0.3~10 μm of partial size.
6. collection device is concentrated in the dual nested refining glue exhaust gas of one kind according to claim 1, it is characterised in that: the control
Device (9) is electrically connected with the air draft electrically operated valve (7) and the return air electrically operated valve (8), in the air draft stage, opens the air draft
Electrically operated valve (7) closes the return air electrically operated valve (8)；In the cycle stage, the return air electrically operated valve (8) is opened, institute is turned down
It states air draft electrically operated valve (7), controls return air ratio, keep the outer enclosure (1) interior negative pressure.
7. the collection side of the dual nested refining glue exhaust gas concentration collection device of one kind described in a kind of any one of claim 1-6
Method, it is characterised in that: in the cycle stage, the controller (9) controls the return air electrically operated valve (8) and opens, the air draft electricity
Movable valve (7) is closed；According to the closing journey of the adjustable air draft electrically operated valve (7) of the leakproofness of the outer enclosure (1)
The ratio of degree, control air draft and return air maintains outer enclosure (1) interior tiny structure between 5%~10%；The updraft type air draft
It covers (2) and collects the exhaust gas containing dust into the exhaust duct (3), by the cleaner (4), the exhaust blower (5)
Afterwards, no dust exhaust gas cycles back to the outer enclosure (1) by the return air duct (6), so that in the outer enclosure (1)
Organic exhaust gas concentration is continuously increased；When the time reaching setting value T1, the cycle stage terminates, into the air draft stage；
At air draft rank end, the controller (9) controls the return air electrically operated valve (8) and closes, and the air draft electrically operated valve (7) is opened
It opens, the updraft type exhaust hood (2) collects the exhaust gas containing dust and enters the exhaust duct (3), by the cleaner
(4), after the exhaust blower (5), self raising flour dirt high-concentration waste gas enters subsequent purification equipment and is for further processing；It is described magnetic-type
Dust-break curtain (10) is opened into the outer enclosure (1) under the action of negative pressure, is mended general mood stream and is entered by the material transferring window,
The interior exhaust gas VOCs concentration of outer enclosure (1) gradually decreases；When the time reaching setting value T2, the air draft stage terminates, and enters
Cycle stage.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112108301A (en) * | 2020-08-18 | 2020-12-22 | 深圳义信环保产业发展有限公司 | Automobile maintenance metal plate spraying production line and technology |
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Inventor after: Gao Jun Inventor after: Wang Zhihua Inventor after: Wang Xiuwen Inventor after: Shi Bo Inventor after: Hou Chun Inventor after: Zhang Qingyu Inventor after: Jiang Pengfei Inventor after: Liu Guodong Inventor after: Hou Yumei Inventor after: Mo Xiangjin Inventor after: Dou Dongyang Inventor before: Gao Jun Inventor before: Wang Zhihua Inventor before: Wang Xiuwen Inventor before: Liu Guodong Inventor before: Hou Chun Inventor before: Zhang Qingyu Inventor before: Jiang Pengfei Inventor before: Shi Bo Inventor before: Hou Yumei Inventor before: Mo Xiangjin Inventor before: Dou Dongyang |
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Application publication date: 20190830 |