CN108671700A - A kind of lacquer spraying waste gas absorbing treatment device - Google Patents
A kind of lacquer spraying waste gas absorbing treatment device Download PDFInfo
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- CN108671700A CN108671700A CN201810701599.XA CN201810701599A CN108671700A CN 108671700 A CN108671700 A CN 108671700A CN 201810701599 A CN201810701599 A CN 201810701599A CN 108671700 A CN108671700 A CN 108671700A
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- waste gas
- pipe
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- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0258—Other waste gases from painting equipments or paint drying installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to the technical fields that lacquer spraying waste gas administers auxiliary equipment, more particularly to a kind of lacquer spraying waste gas absorbing treatment device, after acticarbon is in adsorption saturation, de-adsorption cycle use can be carried out, acticarbon is replaced without dismantling adsorption tanks, reduces and uses limitation；The release pressure of relief valve can be adjusted according to actual conditions simultaneously, make the pressure remained constant inside adsorbent chamber well, improve flexibility；And it can be pre-processed to entering the exhaust gas inside adsorbent chamber, caused reduction larger particles to be directly entered inside adsorbent chamber, reduced the processing load of acticarbon, improve use reliability；Including air-heater, connecting plate, the first communicating pipe, boiler, two groups of steam spray disks, the first jet chimney, two groups of gas outlets, valve body, adjusting screw, drop bar, shaft, turntable, four groups of supporting rods, adjustable plate, left limit bar, right limit bar, regulator board, four groups of support springs, pretreatment box and multigroup primarily efficient filter plate.
Description
Technical field
The present invention relates to the technical fields that lacquer spraying waste gas administers auxiliary equipment, at a kind of lacquer spraying waste gas absorption
Manage device.
Background technology
It is well known that lacquer spraying waste gas absorbing treatment device is a kind of useless for what is generated in the painting process such as workpiece and automobile
Gas carries out absorption processing, in order to the auxiliary device preferably to reduce environmental pollution, in the neck of lacquer spraying waste gas improvement and environmental protection
It is widely used in a variety of applications in domain；Existing lacquer spraying waste gas absorbing treatment device includes adsorption tanks, and adsorption tanks are internally provided with suction
Attached chamber, and adsorbent chamber inner transverse is provided with multigroup support screen frame, and be filled with inside multigroup support screen frame more
Group acticarbon, adsorption tanks bottom end front left side, left rear side, forward right side and right lateral side, which are welded, is provided with supporting leg, adsorption tanks
Left end and top be respectively arranged with air inlet and exhaust outlet, and air inlet and exhaust outlet with communicated inside adsorbent chamber, into
It is provided with and respectively communicated on gas port and exhaust outlet in air inlet pipe and exhaust pipe air inlet pipe and is provided with and communicated with centrifugal blower, adsorption tanks
Top left hand is provided with and communicated with relief valve；Existing lacquer spraying waste gas absorbing treatment device is in use, first by the input of air inlet pipe
End is delivered to painting workshop, is then electrically connected centrifugal blower with external power supply income, opens centrifugal blower, will be in painting environment
Exhaust gas inspiration to adsorption tanks inside, carry out adsorption treatment layer by layer by acticarbon, discharged i.e. after the completion of processing
It can；It is found in existing lacquer spraying waste gas absorbing treatment device use, acticarbon cannot be desorbed after adsorption saturation
It recycles, and adsorption tanks dismounting is inconvenient, replacement acticarbon cost is higher, causes it higher using limitation；Together
When relief valve release pressure cannot be adjusted according to actual conditions, pressure inside adsorbent chamber cannot be made to remain permanent well
Fixed, flexibility is poor；And it cannot be pre-processed to entering the exhaust gas inside adsorbent chamber, and larger particles is caused to be directly entered
Inside adsorbent chamber, increase the processing load of acticarbon, causes its use reliability relatively low.
Invention content
In order to solve the above technical problems, a kind of acticarbon of present invention offer can be taken off after adsorption saturation
Attached recycling replaces acticarbon without dismantling adsorption tanks, cost-effective, reduces and uses limitation；Relief valve simultaneously
Release pressure can be adjusted according to actual conditions, can be very good to make the pressure remained constant inside adsorbent chamber, improve
Flexibility；And it can be pre-processed to entering the exhaust gas inside adsorbent chamber, and reduction larger particles is caused to be directly entered suction
Attached intracavitary portion, reduces the processing load of acticarbon, improves the lacquer spraying waste gas absorbing treatment device of use reliability.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, including air-heater, connecting plate, the first communicating pipe, boiler, two
Group steam spray disk and the first jet chimney, the adsorption tanks are provided with two groups, and are both provided with absorption inside two groups of adsorption tanks
Chamber, is horizontally arranged with multigroup support screen frame inside two groups of adsorbent chambers, and the respective internal multigroup supporting network of two groups of adsorbent chambers
Multigroup acticarbon is filled with inside frame, behind the front left sides of two groups of adsorption tanks bottom ends, left rear side, forward right side and the right side
Side welds and is provided with supporting leg, is both provided with air inlet on the downside of the left end of two groups of adsorption tanks, and two groups of air inlets are respectively with two
Communicated inside group adsorbent chamber, the tops of two groups of adsorption tanks is both provided with exhaust outlet, and two groups of exhaust outlets respectively with two groups of absorption
Intracavitary portion communicates, and the output end of the first communicating pipe connection is provided with and communicated with the first triple valve, and the two of the first triple valve
Group output end is connected to two groups of air inlets respectively by two group of second communicating pipe, and the connecting plate is horizontally installed on two groups
Between adsorption tanks, and the left end of connecting plate and right end are connect with the inside outer wall of two groups of adsorption tanks respectively, described to be arranged in institute
The right side of two groups of adsorption tanks is stated, and two groups of steam spray disk is separately positioned on the bottom inner portion of two groups of adsorbent chambers, institute
It states and is provided with water inlet and steam (vapor) outlet on boiler, and the input terminal of first jet chimney connects with the steam (vapor) outlet
Logical, the output end of the first jet chimney is provided with and communicated with the second triple valve, and two groups of output ends of the second triple valve connect respectively
Logical to be provided with two group of second jet chimney, the output end of two groups of jet chimneys is each passed through the bottom end outer wall of two groups of adsorption tanks
And be respectively protruding into two groups of adsorbent chambers inside and be connected to the bottom input end of two groups of steam spray disk, two groups of steam sprays disk
Top be both provided with multigroup steam jet, the top of the air-heater is connect with the top middle portion of the connecting plate, and heat
The output end of wind turbine is provided with and communicated with third connecting pipe, and the output end of the third connecting pipe is provided with and communicated with third triple valve,
And two groups of output ends of the third triple valve are provided with and respectively communicated with two group of the 4th communicating pipe, two group of the 4th communicating pipe
Output end be each passed through the outer wall of two groups of adsorption tanks and be respectively protruding into the bottom inner portion of two groups of adsorbent chambers；Further include two groups to let out
Tracheae and two groups of adjustable gas bleeder valves, the bottom end of two groups of gas outlets is each passed through the top left hand outer wall of two groups of adsorption tanks simultaneously
It is respectively protruding into two groups of adsorbent chambers, the bottom ends of the described two groups adjustable gas bleeder valves top with two groups of gas outlets respectively
Connection, the adjustable gas bleeder valve include valve body, adjusting screw, drop bar, shaft, turntable, four groups of supporting rods, adjustable plate,
Left limit bar, right limit bar, regulator board and four groups of support springs, the valve inner are provided with discouraged chamber, and the valve body
Top be vertically arranged with tapped through hole, the tapped through hole is communicated with discouraged intracavitary portion, and the outer circumferential walls of the valve body
On be provided with multigroup discouraged through-hole, and multigroup discouraged through-hole is communicated with the discouraged intracavitary portion, and the drop bar is lateral
It is arranged in discouraged intracavitary portion, and is provided with rubber ring in the outer circumferential walls of drop bar, and drop bar passes through rubber ring
With the sealing sliding contact cooperation of the circumferential inner wall of the discouraged chamber, the bottom ends of four groups of supporting rods respectively with the drop bar
Front left side, left rear side, the forward right side on top are connected with right lateral side, the tops of four groups of supporting rods respectively with the adjustable plate bottom end
Front left side, left rear side, forward right side are connected with right lateral side, perforative adjusting through-hole up and down are provided in the middle part of adjustable plate, and adjust
The bottom end of section through-hole has been arranged concentrically bearing block, and the top of bearing block and the bottom end of adjustable plate connect, set inside the bearing block
It is equipped with ball bearing, the bottom end of the turntable is inserted and fixed inside ball bearing, and the bottom end of the shaft is certainly
The top of adjustable plate, which passes through, adjusts inside through-hole and extend out to the bottom end external world of adjustable plate and the top of the turntable is concentric connect,
The shaft is relatively rotated with through-hole inside is adjusted, and the bottom end of the adjusting screw is inserted into from the top of valve body and spiral shell is filled across spiral shell
Inside line through-hole and precession to discouraged intracavitary portion with the top of the shaft is concentric connect, the top left hand of the drop bar with
Right side is respectively arranged with left limit jack and right limit jack, and the top of the left limit bar and right limit bar is let out with described respectively
The left and right side of air cavity top inner wall connects, and the bottom end of left limit bar and right limit bar, which is can be slidably inserted into respectively to left limit, inserts
Inside hole and right limit jack, the regulator board lid is mounted in inside the pressure-releasing chamber on the air inlet on input terminal top, and
The bottom end of four groups of support springs is connect with the front left side on the regulator board top and left rear side respectively, and four groups of support bullets
The top of spring is connect with front left side, left rear side, forward right side and the right lateral side of the drop bar bottom end respectively；It further include pretreatment
Case and multigroup primarily efficient filter plate, pretreatment box connection were arranged on first communicating pipe, and described multigroup just imitated
Filter plate is disposed longitudinally on inside the pretreatment box, and equidistant interval is provided between multigroup primarily efficient filter plate, described first
It is both provided with collapsible pure white filter cotton inside effect filter plate.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes heat exchange box, condenser coil, exhaust pipe and return water
Pipe, the heat exchange box is internally provided with heat exchanging chamber and the condenser coil is disposed longitudinally on inside heat exchanging chamber, the exhaust pipe
Input terminal be connected to respectively with the exhaust outlet of two groups of absorption upper ends, and the output end of the exhaust pipe pass through heat exchange box
Top outer wall and stretching to inside heat exchanging chamber be connected to the input terminal of the condenser coil, the output end of the condenser coil is worn
It crosses the top inner wall of heat exchanging chamber and extend out to the external world, the left end of the heat exchange box is provided with and communicated with water inlet pipe, and on water inlet pipe
It is provided with and communicated with water inlet control valve, the right end of the return pipe is connected to the water inlet of the boiler, and the left end of return pipe passes through
The right end outer wall of heat exchange box simultaneously stretches to heat exchange box inside and is communicated inside the heat exchanging chamber, and pulsating pump is provided on return pipe,
The top left hand of the heat exchange box is provided with and communicated with voltage-stabiliser tube, and pressure maintaining valve is provided with and communicated on voltage-stabiliser tube.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes inserting column and intubation, the inserting column and intubation are all provided with
It sets in the discouraged intracavitary portion, and the top of the inserting column is connect with the center bottom of the drop bar, the intubation
Bottom end is connect with the top middle portion of the adjustable plate, and the top being intubated is provided with slot, and the bottom end of the intubation is inserted into
Inside slot.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes support baseboard, two groups of adsorption tanks bottom ends
Supporting leg, heat exchange box are connect with the top of the support baseboard with the bottom end of the boiler.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes mounting plate and four groups of struts, the mounting plate
Be fixedly mounted on the bottom end of the pretreatment box by multigroup bolt, and the top of four groups of struts respectively with the installation
Front left side, left rear side, the forward right side at board bottom end are connected with right lateral side, and four groups of struts are longitudinally disposed, and the bottom of four groups of struts
End is connect with the top of the support baseboard.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes locking nut and gasket, the sealing cushion cover
It is located at the outside of the adjusting screw, and the bottom end of gasket is connect with the top outer wall of the valve body, and the locking
Nut spiral shell encapsulation is located at the outside of the adjusting screw, and the bottom end of locking nut and the top locking of the gasket connect
It touches.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes rock wool heat-preservation layer, the rock wool heat-preservation layer is pasted
On the lateral wall of the heat exchange box.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, first jet chimney and two group of second jet chimney are equal
For seamless steel pipe.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, the diameter of the turntable are more than the diameter of the shaft.
In the circumference of a kind of lacquer spraying waste gas absorbing treatment device of the present invention, the outer circumferential walls of the inserting column and the slot
Wall clearance fit, and venthole is provided on the outer wall of the intubation, it is communicated inside venthole and the slot.
Beneficial effects of the present invention are compared with prior art：Acticarbon can pass through pot after adsorption saturation
Stove generates steam, and steam is then sprayed multigroup steam jet on disk by two groups of steam blows to inside two groups of adsorbent chambers respectively respectively
From multigroup acticarbon, carry out steam desorption to it, after the completion of desorption, close boiler, stop steam supply, then beat
Air-heater is opened, processing is dried to multigroup acticarbon after desorption, removes the steaming adsorbed inside acticarbon
Carbonated drink point, to make acticarbon carry out de-adsorption cycle use, in two groups of adsorption tanks inside one of which adsorption tanks
After acticarbon saturation, it can switch by the first triple valve and continue exhaust-gas treatment, nothing using another group of adsorption tanks
Adsorption tanks need to be dismantled and replace acticarbon, it is cost-effective, it reduces and uses limitation；Silk can be adjusted by rotation simultaneously
Thick stick, while shaft and turntable being driven to be rotated inside ball bearing, it is assembled and is closed by the spiral shell of adjusting screw and tapped through hole,
Drop bar is set to be moved up and down, so as to adjust the compression of drop bar and four groups of support springs of regulator board pair
Amount allows relief valve to carry out the tune of release pressure according to actual conditions so as to adjust the pressure that regulator board top is born
Section can be very good to make the pressure remained constant inside adsorbent chamber, improve flexibility；And its can be by pretreatment box inside
In multigroup primarily efficient filter plate pre-processed to entering the exhaust gas inside adsorbent chamber, and carried by collapsible pure white filter cotton
High filtration effect causes reduction larger particles to be directly entered inside adsorbent chamber, reduces the processing load of acticarbon, improves
Use reliability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the partial enlargement structural representation at A of the present invention；
Fig. 3 is the structural schematic diagram of the connections such as left limit bar, regulator board and support spring of the present invention；
Fig. 4 is the partial enlargement structural representation at B in Fig. 3 of the present invention；
Fig. 5 is the partial enlargement structural representation at C in Fig. 3 of the present invention；
It is marked in attached drawing：1, air-heater；2, connecting plate；3, the first communicating pipe；4, boiler；5, steam sprays disk；6, first steams
Steam pipe road；7, the first triple valve；8, the second communicating pipe；9, the second triple valve；10, the second jet chimney；11, third connecting pipe；
12, third triple valve；13, the 4th communicating pipe；14, gas outlet；15, valve body；16, adjusting screw；17, drop bar；18, turn
Axis；19, turntable；20, supporting rod；21, adjustable plate；22, left limit bar；23, regulator board；24, support spring；25, pretreatment box；
26, primarily efficient filter plate；27, collapsible pure white filter cotton；28, heat exchange box；29, condenser coil；30, exhaust pipe；31, return pipe；
32, pulsating pump；33, inserting column；34, it is intubated；35, support baseboard；36, mounting plate；37, strut；38, locking nut；39, it seals
Pad；40, rock wool heat-preservation layer；41, venthole.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figures 1 to 5, a kind of lacquer spraying waste gas absorbing treatment device of the invention, including air-heater 1, connecting plate 2,
First communicating pipe 3,4, two groups of steam spray disks 5 of boiler and the first jet chimney 6, adsorption tanks are provided with two groups, and two groups of absorption
It is both provided with adsorbent chamber inside tank, multigroup support screen frame is horizontally arranged with inside two groups of adsorbent chambers, and two groups of adsorbent chambers are each
It has been filled with multigroup acticarbon from inside internal multigroup support screen frame, the front left side of two groups of adsorption tanks bottom ends,
Left rear side, forward right side and right lateral side weld and are provided with supporting leg, and air inlet is both provided on the downside of the left end of two groups of adsorption tanks, and
Two groups of air inlets are communicated with inside two groups of adsorbent chambers respectively, and the top of two groups of adsorption tanks is both provided with exhaust outlet, and two groups of rows
Gas port is communicated with inside two groups of adsorbent chambers respectively, and the output end that the first communicating pipe was connected to is provided with and communicated with the first triple valve 7, and
Two groups of output ends of the first triple valve are connected to two groups of air inlets respectively by two group of second communicating pipe 8, and the transverse direction of connecting plate is set
It sets between two groups of adsorption tanks, and the left end of connecting plate and right end are connect with the inside outer wall of two groups of adsorption tanks respectively, is arranged
On the right side of two groups of adsorption tanks, and two groups of steam spray disks are separately positioned on the bottom inner portion of two groups of adsorbent chambers, are arranged on boiler
There are water inlet and steam (vapor) outlet, and the input terminal of the first jet chimney is connected to steam (vapor) outlet, the output of the first jet chimney
End is provided with and communicated with the second triple valve 9, and two groups of output ends of the second triple valve are provided with and respectively communicated with two group of second steam
The output end of pipeline 10, two groups of jet chimneys is each passed through the bottom end outer wall of two groups of adsorption tanks and is respectively protruding into two groups of adsorbent chambers
The internal bottom input end that disk is sprayed with two groups of steam is connected to, and the top of two groups of steam spray disks is both provided with multigroup steam jet, heat
The top of wind turbine and the top middle portion of connecting plate connect, and the output end of air-heater is provided with and communicated with third connecting pipe 11, the
The output end of tee joint pipe is provided with and communicated with third triple valve 12, and two groups of output ends of third triple valve are respectively communicated with setting
Have two group of the 4th communicating pipe 13, the output end of two group of the 4th communicating pipe be each passed through the outer wall of two groups of adsorption tanks and be respectively protruding into
The bottom inner portion of two groups of adsorbent chambers；Further include two groups of gas outlets 14 and two groups of adjustable gas bleeder valves, the bottom end point of two groups of gas outlets
Not Chuan Guo two groups of adsorption tanks top left hand outer wall and be respectively protruding into two groups of adsorbent chambers, the bottoms of two groups of adjustable gas bleeder valves
End is connected to the top of two groups of gas outlets respectively, and adjustable gas bleeder valve includes valve body 15, adjusting screw 16, drop bar 17, turns
Axis 18,19, four groups of supporting rods 20 of turntable, adjustable plate 21, left limit bar 22, right limit bar, regulator board 23 and four groups of support springs
24, valve inner is provided with discouraged chamber, and the top of valve body is vertically arranged with tapped through hole, tapped through hole and discouraged intracavitary portion
Communicate, and be provided with multigroup discouraged through-hole in the outer circumferential walls of valve body, and multigroup discouraged through-hole with discouraged intracavitary portion phase
Logical, drop bar is horizontally installed on discouraged intracavitary portion, and rubber ring is provided in the outer circumferential walls of drop bar, and seals
Slide plate seals sliding contact cooperation by the circumferential inner wall of rubber ring and discouraged chamber, and the bottom end of four groups of supporting rods is slided with sealing respectively
Front left side, left rear side, the forward right side on plate top are connected with right lateral side, the tops of the four groups of supporting rods left side with adjustable plate bottom end respectively
Front side, left rear side, forward right side are connected with right lateral side, perforative adjusting through-hole up and down are provided in the middle part of adjustable plate, and adjust
The bottom end of through-hole has been arranged concentrically bearing block, and the top of bearing block and the bottom end of adjustable plate connect, and bearing block is internally provided with rolling
The bottom end of pearl bearing, turntable is inserted and fixed inside ball bearing, and the top of the bottom end self-regulation plate of shaft is worn
Overregulate inside through-hole and extend out to the bottom end external world of adjustable plate and turntable top it is concentric connect, shaft with adjust inside through-hole
It relatively rotates, the bottom end of adjusting screw is inserted into from the top of valve body and spiral shell dress is inside tapped through hole and precession is to discouraged intracavitary
The top of portion and shaft is concentric to be connected, the top left hand of drop bar and right side is respectively arranged with left limit jack and right limit is inserted
The top of hole, left limit bar and right limit bar is connect with the left and right side of discouraged chamber top inner wall respectively, left limit bar and the right side
The bottom end of gag lever post is can be slidably inserted into respectively to left limit jack and right limit jack, and regulator board lid is inside pressure-releasing chamber
On the air inlet on input terminal top, and the bottom end of four groups of support springs respectively with the front left side and left rear side on regulator board top
Connection, and the top of four groups of support springs connects with the front left side of drop bar bottom end, left rear side, forward right side and right lateral side respectively
It connects；Further include pretreatment box 25 and multigroup primarily efficient filter plate 26, pretreatment box connection was arranged on the first communicating pipe, and multigroup
Primarily efficient filter plate is disposed longitudinally on inside pretreatment box, and is provided with equidistant interval between multigroup primarily efficient filter plate, is just imitated
Collapsible pure white filter cotton 27 is both provided with inside filter plate；Acticarbon can be produced after adsorption saturation by boiler
Then raw steam is blowed to steam by multigroup steam jet on two groups of steam spray disks respective inside two groups of adsorbent chambers respectively
Multigroup acticarbon, carries out it steam desorption, after the completion of desorption, closes boiler, stops steam supply, then opens heat
Wind turbine is dried processing to multigroup acticarbon after desorption, removes the steam water adsorbed inside acticarbon
Point, to make acticarbon carry out de-adsorption cycle use, when the activity in two groups of adsorption tanks inside one of which adsorption tanks
After carbon adsorbent saturation, it can switch by the first triple valve and continue exhaust-gas treatment using another group of adsorption tanks, without tearing open
It unloads adsorption tanks and replaces acticarbon, it is cost-effective, it reduces and uses limitation；It simultaneously can be by rotating adjusting screw, together
When drive shaft and turntable to be rotated inside ball bearing, assembled and closed by the spiral shell of adjusting screw and tapped through hole, made close
Envelope slide plate can be moved up and down, so as to adjust the decrement of drop bar and four groups of support springs of regulator board pair, from
And the pressure that regulator board top is born can be adjusted, and so that relief valve is carried out the adjusting of release pressure according to actual conditions, it can
To make the pressure remained constant inside adsorbent chamber well, flexibility is improved；And it can be by pretreatment box inside
Multigroup primarily efficient filter plate is pre-processed to entering the exhaust gas inside adsorbent chamber, and is improved by collapsible pure white filter cotton
Effect is filtered, causes reduction larger particles to be directly entered inside adsorbent chamber, reduces the processing load of acticarbon, improve and use
Reliability.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes heat exchange box 28, condenser coil 29,30 and of exhaust pipe
Return pipe 31, heat exchange box is internally provided with heat exchanging chamber and condenser coil is disposed longitudinally on inside heat exchanging chamber, the input of exhaust pipe
End is connected to the exhaust outlet of two groups of absorption upper ends respectively, and the output end of exhaust pipe passes through the top outer wall of heat exchange box and stretches
Enter to heat exchanging chamber inside and be connected to the input terminal of condenser coil, the output end of condenser coil passes through the top inner wall of heat exchanging chamber and stretches
Go out to the external world, the left end of heat exchange box is provided with and communicated with water inlet pipe, and water inlet control valve is provided with and communicated on water inlet pipe, return pipe
Right end be connected to the water inlet of boiler, the left end of return pipe pass through the right end outer wall of heat exchange box and stretch to inside heat exchange box with
It is communicated inside heat exchanging chamber, pulsating pump 32 is provided on return pipe, the top left hand of heat exchange box is provided with and communicated with voltage-stabiliser tube, and steady
Pressure maintaining valve is provided with and communicated in pressure pipe；Exhaust can then be passed through by water inlet pipe to certain water is injected inside heat exchanging chamber
The water that steam after use when being desorbed is led to heat transfer heat exchanging intracavitary portion by pipe and condenser coil heats, and can lead to
Opening pressure maintaining valve and pulsating pump are crossed, the water after heating is continuing with by return pipe inspiration to boiler internal, due to entering pot
The water of furnace interior has certain temperature, heats the energy fuel used to water so as to reduce boiler, improves energy cycle
Utilization rate.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention further includes inserting column 33 and intubation 34, and inserting column and intubation are all provided with
It sets in discouraged intracavitary portion, and the center bottom of the top of inserting column and drop bar connects, the bottom end of intubation and the top of adjustable plate
The connection of end middle part, and the top being intubated is provided with slot, and the bottom end of intubation is inserted into inside slot；It by intubation and can insert
Up and down action between column can prevent four groups of support spring run-off the straights, regulator board is allow to act straight up and down, prevent from adjusting
Pressing plate deviates input terminal air inlet inside pressure-releasing chamber, improves use reliability.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes support baseboard 35, the branch of two groups of adsorption tanks bottom ends
The bottom end of leg, heat exchange box and boiler is connect with the top of support baseboard；Two groups of adsorption tanks can be improved by support baseboard, changed
The overall stability of hot tank and boiler assembling cooperation.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes mounting plate 36 and four groups of struts 37, mounting plate
The bottom end of pretreatment box is fixedly mounted on by multigroup bolt, and the top of four groups of struts is left front with mounting plate bottom end respectively
Side, left rear side, forward right side are connected with right lateral side, and four groups of struts are longitudinally disposed, and the bottom end of four groups of struts with support bottom
The top of plate connects；The stable enabling capabilities of pretreatment box can be improved by four groups of struts and mounting plate, and can passed through
Multigroup bolt facilitates pretreatment box to carry out dismounting cleaning repair.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention further includes locking nut 38 and gasket 39, seals cushion cover
It is located at the outside of adjusting screw, and the top outer wall of the bottom end of gasket and valve body connects, and locking nut spiral shell encapsulation is set
In the outside of adjusting screw, and the bottom end of locking nut is contacted with the locking of the top of gasket；It can be incited somebody to action by locking nut
The position of adjusting screw after adjusting is locked, while the release pressure of relief valve after adjusting being made to be fixed, and prevents from springing back,
Valve body screw thread through-hole and the leakproofness at the assembly conjunction of adjusting screw spiral shell can be improved by gasket, prevent gas leakage.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, further includes rock wool heat-preservation layer 40, rock wool heat-preservation layer is pasted
On the lateral wall of heat exchange box；The heat insulating ability inside heat exchanging chamber can be improved by rock wool heat-preservation layer, reduced heat loss, improved energy
Source utilization rate.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, the first jet chimney and two group of second jet chimney are nothing
Stitch steel pipe；Pipeline due to being passed through steam needs to bear high pressure and high temperature, can improve service life by seamless steel pipe, reduce
Safety accident improves use reliability.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, the diameter of turntable are more than the diameter of shaft；It can be by turning
The larger diameter of disk makes to be limited between turntable and adjustable plate, prevents adjusting screw from carrying out up and down adjustment to drop bar dynamic
As when fall off, improve use reliability.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention, the outer circumferential walls of inserting column and the circumferential inner wall gap of slot are matched
It is provided with venthole 41 on the outer wall for closing, and being intubated, is communicated inside venthole and slot；The outer circumferential walls of inserting column can be passed through
Clearance fit between the circumferential inner wall of slot improves the stabilization matching property between intubation and inserting column, prevents inserting column from inserting
Pipe inside shaking, and slot and external atmosphere pressure strongly consistent can be kept by venthole, it improves inserting column outer circumferential walls and inserts
Sliding fluency between slot circumferential inner wall.
A kind of lacquer spraying waste gas absorbing treatment device of the present invention at work first conveys the input terminal of air inlet pipe
To painting workshop, then centrifugal blower is electrically connected with external power supply income, centrifugal blower is opened, by the exhaust gas in painting environment
Successively inside inspiration to pretreatment box and adsorbent chamber, by multigroup primarily efficient filter plate in pretreatment box inside to entering adsorbent chamber
Internal exhaust gas is pre-processed, and improves filter effect by collapsible pure white filter cotton, causes reduction larger particles straight
It taps into inside adsorbent chamber, reduces the processing load of acticarbon, enter after pretreatment and pass through activated carbon inside adsorbent chamber
Adsorbent carries out adsorption treatment layer by layer, after acticarbon is in adsorption saturation, steam is generated by boiler, then by steam
Multigroup steam jet on disk, which is sprayed, by two groups of steam blows to respective multigroup acticarbon inside two groups of adsorbent chambers respectively,
It carries out steam desorption to it, after the completion of desorption, closes boiler, stop steam supply, air-heater is then opened, to more after desorption
Processing is dried in group acticarbon, the steam moisture adsorbed inside acticarbon is removed, to make activated carbon inhale
Attached dose of progress de-adsorption cycle use is led to after the acticarbon in two groups of adsorption tanks inside one of which adsorption tanks is saturated
The first triple valve is crossed, switching continues exhaust-gas treatment using another group of adsorption tanks, and activated carbon suction is replaced without dismantling adsorption tanks
Attached dose, at the same by rotating adjusting screw, while shaft and turntable being driven to be rotated inside ball bearing, by adjusting silk
The assembly of the spiral shell of thick stick and tapped through hole is closed, and so that drop bar is moved up and down, to adjust four groups of drop bar and regulator board pair
The decrement of support spring makes relief valve carry out take-off pressure according to actual conditions to adjust the pressure that regulator board top is born
The adjusting of power makes the pressure remained constant inside adsorbent chamber well, by water inlet pipe to injecting certain water inside heat exchanging chamber
Amount, then water that the steam after use when being desorbed is led to heat transfer heat exchanging intracavitary portion by exhaust pipe and condenser coil carry out
Heating, and by opening pressure maintaining valve and pulsating pump, the water after heating is continuing with by return pipe inspiration to boiler internal,
Water due to entering boiler internal has certain temperature, the energy fuel used is heated to water to reduce boiler, by inserting
Up and down action between pipe and inserting column, prevents four groups of support spring run-off the straights, so that regulator board is acted straight up and down, prevent pressure regulation
Plate deviates input terminal air inlet inside pressure-releasing chamber, improves two groups of adsorption tanks, heat exchange box and boiler group by support baseboard and assembles
The overall stability of conjunction improves the stable enabling capabilities of pretreatment box by four groups of struts and mounting plate, and passes through multigroup spiral shell
Bolt facilitates pretreatment box to carry out dismounting cleaning repair, is locked the position of the adjusting screw after adjusting by locking nut,
It is simultaneously fixed the release pressure of relief valve after adjusting, prevents from springing back, pass through gasket and improve valve body screw thread through-hole and adjust
The leakproofness at the assembly conjunction of leading screw spiral shell is saved, the heat insulating ability inside heat exchanging chamber is improved by rock wool heat-preservation layer, passes through the circumference of inserting column
Clearance fit between outer wall and the circumferential inner wall of slot improves the stabilization matching property between intubation and inserting column, prevents inserting column
It is shaken in cannula interior, and slot and external atmosphere pressure strongly consistent is kept by venthole, improved inserting column outer circumferential walls and insert
Sliding fluency between slot circumferential inner wall.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of lacquer spraying waste gas absorbing treatment device, which is characterized in that including air-heater (1), connecting plate (2), the first communicating pipe
(3), boiler (4), two groups of steam spray disks (5) and the first jet chimney (6), the adsorption tanks are provided with two groups, and two groups of suctions
It is both provided with adsorbent chamber inside attached tank, multigroup support screen frame, and two groups of adsorbent chambers are horizontally arranged with inside two groups of adsorbent chambers
Respectively be filled with multigroup acticarbon inside internal multigroup support screen frame, two groups of adsorption tanks bottom ends it is left front
Side, left rear side, forward right side and right lateral side weld and are provided with supporting leg, and air inlet is both provided on the downside of the left end of two groups of adsorption tanks,
And two groups of air inlets are communicated with inside two groups of adsorbent chambers respectively, and the top of two groups of adsorption tanks is both provided with exhaust outlet, and two
Group exhaust outlet is communicated with inside two groups of adsorbent chambers respectively, and the output end of the first communicating pipe (3) connection is provided with and communicated with first
Triple valve (7), and two groups of output ends of the first triple valve (7) by two group of second communicating pipe (8) respectively with described two groups into
Gas port is connected to, and the connecting plate (2) is horizontally installed between two groups of adsorption tanks, and the left end of connecting plate (2) and right end point
It is not connect with the inside outer wall of two groups of adsorption tanks, it is described to be arranged on the right side of two groups of adsorption tanks, and two groups of steam
Spray disk (5) is separately positioned on the bottom inner portion of two groups of adsorbent chambers, is provided with water inlet on the boiler (4) and steam goes out
Mouthful, and the input terminal of first jet chimney (6) is connected to the steam (vapor) outlet, the output end of the first jet chimney (6)
It is provided with and communicated with the second triple valve (9), and two groups of output ends of the second triple valve (9) are provided with and respectively communicated with two group of second steaming
The output end in steam pipe road (10), two groups of jet chimneys is each passed through the bottom end outer wall of two groups of adsorption tanks and is respectively protruding into two
It is connected to the bottom input end of two groups of steam spray disk (5) inside group adsorbent chamber, the top of two groups of steam spray disk (5) is equal
It is provided with multigroup steam jet, the top of the air-heater (1) is connect with the top middle portion of the connecting plate (2), and hot wind
The output end of machine (1) is provided with and communicated with third connecting pipe (11), and the output end of the third connecting pipe (11) is provided with and communicated with
Three triple valves (12), and two groups of output ends of the third triple valve (12) are provided with and respectively communicated with two group of the 4th communicating pipe
(13), the output end of two group of the 4th communicating pipe (13) is each passed through the outer wall of two groups of adsorption tanks and is respectively protruding into two groups of suctions
The bottom inner portion of attached chamber；Further include two groups of gas outlets (14) and two groups of adjustable gas bleeder valves, the bottom of two groups of gas outlets (14)
End is each passed through the top left hand outer wall of two groups of adsorption tanks and is respectively protruding into two groups of adsorbent chambers, and described two groups adjustable to let out
The bottom end of air valve is connected to the top of two groups of gas outlets (14) respectively, and the adjustable gas bleeder valve includes valve body (15), adjusts
Save leading screw (16), drop bar (17), shaft (18), turntable (19), four groups of supporting rods (20), adjustable plate (21), left limit bar
(22), right limit bar, regulator board (23) and four groups of support springs (24), the valve body (15) are internally provided with discouraged chamber, and
The top of the valve body (15) is vertically arranged with tapped through hole, and the tapped through hole is communicated with discouraged intracavitary portion, and the valve
Multigroup discouraged through-hole is provided in the outer circumferential walls of body (15), and multigroup discouraged through-hole is communicated with the discouraged intracavitary portion,
The drop bar (17) is horizontally installed on discouraged intracavitary portion, and is provided with rubber in the outer circumferential walls of drop bar (17)
Circle, and drop bar (17) seals sliding contact by the circumferential inner wall of rubber ring and the discouraged chamber and coordinates, described four groups
The bottom end of supporting rod (20) is connect with front left side, left rear side, forward right side and the right lateral side on the drop bar (17) top respectively,
The top of four groups of supporting rods (20) connects with the front left side of the adjustable plate (21) bottom end, left rear side, forward right side and right lateral side respectively
It connects, perforative adjusting through-hole up and down is provided in the middle part of adjustable plate (21), and the bottom end for adjusting through-hole has been arranged concentrically bearing
Seat, the top of bearing block are connect with the bottom end of adjustable plate (21), and the bearing block is internally provided with ball bearing, the turntable
(19) bottom end is inserted and fixed inside ball bearing, and the top of the bottom end self-regulation plate (21) of the shaft (18)
It holds across adjusting inside through-hole and extend out to the bottom end external world of adjustable plate (21) and the top of the turntable (19) is concentric connect, institute
It states shaft (18) and is inserted into simultaneously from the top of valve body (15) with relative rotation inside through-hole, the bottom end of the adjusting screw (16) is adjusted
Spiral shell dress inside the tapped through hole and precession to discouraged intracavitary portion with the top of the shaft (18) is concentric connect, the sealing cunning
The top left hand of plate (17) and right side are respectively arranged with left limit jack and right limit jack, the left limit bar (22) and right limit
The top of position bar is connect with the left and right side of the discouraged chamber top inner wall respectively, the bottom of left limit bar (22) and right limit bar
End is can be slidably inserted into respectively to left limit jack and right limit jack, and regulator board (23) lid is in the pressure-releasing chamber
On the air inlet on portion input terminal top, and the bottom end of four groups of support springs (24) is pushed up with the regulator board (23) respectively
The front left side at end is connected with left rear side, and the top of four groups of support springs (24) respectively with the drop bar (17) bottom end
Front left side, left rear side, forward right side are connected with right lateral side；Further include pretreatment box (25) and multigroup primarily efficient filter plate (26), it is described
Pretreatment box (25) connection is arranged on first communicating pipe (3), and multigroup primarily efficient filter plate (26) longitudinal direction is set
It sets in the pretreatment box (25) inside, and is provided with equidistant interval between multigroup primarily efficient filter plate (26), it is described just to imitate
It is both provided with collapsible pure white filter cotton (27) inside filter plate (26).
2. a kind of lacquer spraying waste gas absorbing treatment device as described in claim 1, which is characterized in that further include heat exchange box (28),
Condenser coil (29), exhaust pipe (30) and return pipe (31), the heat exchange box (28) are internally provided with heat exchanging chamber and described cold
Solidifying coil pipe (29) is disposed longitudinally on inside heat exchanging chamber, the input terminal of the exhaust pipe (30) respectively with two groups of absorption upper ends
Exhaust outlet connection, and the output end of the exhaust pipe (30) pass through heat exchange box (28) top outer wall and stretch to heat exchanging chamber
The internal input terminal with the condenser coil (29) is connected to, and the output end of the condenser coil (29) passes through in the top of heat exchanging chamber
Wall simultaneously extend out to the external world, and the left end of the heat exchange box (28) is provided with and communicated with water inlet pipe, and be provided with and communicated on water inlet pipe into
The right end of water control valve, the return pipe (31) is connected to the water inlet of the boiler (4), and the left end of return pipe (31), which passes through, to be changed
The right end outer wall of hot tank (28) simultaneously stretches to heat exchange box (28) inside and is communicated inside the heat exchanging chamber, and return pipe is arranged on (31)
There is pulsating pump (32), the top left hand of the heat exchange box (28) is provided with and communicated with voltage-stabiliser tube, and is provided with and communicated on voltage-stabiliser tube
Pressure maintaining valve.
3. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 2, which is characterized in that further include inserting column (33) and slotting
Manage (34), the inserting column (33) and intubation (34) are arranged at the discouraged intracavitary portion, and the top of the inserting column (33) and
The center bottom of the drop bar (17) connects, and the bottom end of the intubation (34) connects with the top middle portion of the adjustable plate (21)
The top for connecing, and being intubated (34) is provided with slot, and the bottom end of the intubation (34) is inserted into inside slot.
4. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 3, which is characterized in that further include support baseboard
(35), the bottom end of the supporting leg, heat exchange box (28) Yu the boiler (4) of two groups of adsorption tanks bottom ends with the support baseboard
(35) top connection.
5. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 4, which is characterized in that further include mounting plate (36) and
Four groups of struts (37), the bottom end that the pretreatment box (25) are fixedly mounted on by multigroup bolt of the mounting plate (36), and
And the top of four groups of struts (37) respectively with behind the front left side of the mounting plate (36) bottom end, left rear side, forward right side and the right side
Side connects, and four groups of struts (37) are longitudinally disposed, and top of the bottom end of four groups of struts (37) with the support baseboard (35)
End connection.
6. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 5, which is characterized in that further include locking nut (38)
With gasket (39), the gasket (39) is set in the outside of the adjusting screw (16), and the bottom end of gasket (39)
It is connect with the top outer wall of the valve body (15), and the locking nut (38) spiral shell encapsulation is located at the adjusting screw (16)
Outside, and the bottom end of locking nut (38) is contacted with the locking of the top of the gasket (39).
7. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 6, which is characterized in that further include rock wool heat-preservation layer
(40), the rock wool heat-preservation layer (40) is pasted on the lateral wall of the heat exchange box (28).
8. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 7, which is characterized in that first jet chimney
(6) and two group of second jet chimney (10) is seamless steel pipe.
9. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 8, which is characterized in that the diameter of the turntable (19)
More than the diameter of the shaft (18).
10. a kind of lacquer spraying waste gas absorbing treatment device as claimed in claim 9, which is characterized in that the circle of the inserting column (33)
The circumferential inner wall clearance fit of all outer walls and the slot, and it is provided with venthole (41) on the outer wall of the intubation (34),
It is communicated inside venthole (41) and the slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701599.XA CN108671700A (en) | 2018-06-29 | 2018-06-29 | A kind of lacquer spraying waste gas absorbing treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701599.XA CN108671700A (en) | 2018-06-29 | 2018-06-29 | A kind of lacquer spraying waste gas absorbing treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108671700A true CN108671700A (en) | 2018-10-19 |
Family
ID=63812706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810701599.XA Withdrawn CN108671700A (en) | 2018-06-29 | 2018-06-29 | A kind of lacquer spraying waste gas absorbing treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108671700A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013315A (en) * | 2019-11-30 | 2020-04-17 | 山东康源环保科技有限公司 | Organic waste gas adsorption and desorption device |
| CN111318101A (en) * | 2020-03-11 | 2020-06-23 | 佛山市蓝颂科技有限公司 | Waste gas treatment equipment |
| CN111845058A (en) * | 2020-07-24 | 2020-10-30 | 山东佳和保护膜有限公司 | Protective film drying waste gas treatment device and process thereof |
| CN112774396A (en) * | 2020-12-23 | 2021-05-11 | 产学研(广州)环境服务有限公司 | VOCs device is retrieved in high-efficient absorption |
| CN114405222A (en) * | 2021-11-26 | 2022-04-29 | 南通众益鑫化工有限公司 | Novel compound tail gas absorption is handled and is used recovery device |
-
2018
- 2018-06-29 CN CN201810701599.XA patent/CN108671700A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013315A (en) * | 2019-11-30 | 2020-04-17 | 山东康源环保科技有限公司 | Organic waste gas adsorption and desorption device |
| CN111318101A (en) * | 2020-03-11 | 2020-06-23 | 佛山市蓝颂科技有限公司 | Waste gas treatment equipment |
| CN111845058A (en) * | 2020-07-24 | 2020-10-30 | 山东佳和保护膜有限公司 | Protective film drying waste gas treatment device and process thereof |
| CN111845058B (en) * | 2020-07-24 | 2024-01-26 | 山东佳和保护膜有限公司 | Protective film drying waste gas treatment device and process thereof |
| CN112774396A (en) * | 2020-12-23 | 2021-05-11 | 产学研(广州)环境服务有限公司 | VOCs device is retrieved in high-efficient absorption |
| CN114405222A (en) * | 2021-11-26 | 2022-04-29 | 南通众益鑫化工有限公司 | Novel compound tail gas absorption is handled and is used recovery device |
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