CN208742226U - One kind being directed to Wind Volume high concentration polluted air from paint booth governing system - Google Patents
One kind being directed to Wind Volume high concentration polluted air from paint booth governing system Download PDFInfo
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- CN208742226U CN208742226U CN201821019355.5U CN201821019355U CN208742226U CN 208742226 U CN208742226 U CN 208742226U CN 201821019355 U CN201821019355 U CN 201821019355U CN 208742226 U CN208742226 U CN 208742226U
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Abstract
The utility model discloses one kind to be directed to Wind Volume high concentration polluted air from paint booth governing system, including first order adsorbent equipment, second level adsorbent equipment and desorption apparatus, second level adsorbent equipment includes that multiple individual sieve adsorpting beds are arranged in parallel, sieve adsorpting bed rotation adsorption and desorption VOCs gas, it is ensured that governing system continuous work.
Description
Technical field
The utility model relates to a kind of polluted air from paint booth governing systems, especially a kind of for being directed to Wind Volume high concentration
Waste gas pollution control and treatment system belongs to polluted air from paint booth Treatment process field.
Background technique
The difficult point of the large-scale Painting Shop VOCs treatment of the industries such as ship is that the quality of VOCs gas in exhaust gas is dense
Spend that fluctuation range fluctuated is big, and the coating cloud particulate matter quantity in exhaust gas is big, partial size is small, the difficulty of filtering is larger.It is spraying
During operation, usually coating cloud diffuses in Painting Shop, and the peak value of VOCs gas concentration may be up to 1000ppm or so；And it is spraying
The valley of drying the stage after the completion of operation, the VOCs gas concentration in Painting Shop only has 30ppm.With emission request
Increasingly harsh, conventional level-one porous activated carbon adsorption system Acceptable life is very short, runing time exhaust gas discharge in several days
The discharge of mouth will be exceeded.
Utility model content
To solve the above-mentioned problems, the technical solution adopted in the utility model is such, and one kind is highly concentrated for Wind Volume
Degree polluted air from paint booth governing system, including first order adsorbent equipment, second level adsorbent equipment and desorption apparatus, described second
Grade adsorbent equipment is made of the sieve adsorpting bed of multiple parallel connections；The input terminal and lacquer spraying waste gas of the first order adsorbent equipment
Suction main is connected, and the output end of first order adsorbent equipment is connected with the first input end of each sieve adsorpting bed, Mei Gefen
First output end of son sieve adsorbent bed is connected with induced draft fans；Each sieve adsorpting bed first input end and first defeated
Second level inlet valve and second level outlet valve are respectively arranged in outlet；The output end of the desorption apparatus divides with each
Son sieve the second input terminal of adsorbent bed is connected, and each sieve adsorpting bed second output terminal is connected with the input terminal of desorption apparatus, institute
Desorption purging inlet valve and desorption are respectively arranged on the second input terminal of each sieve adsorpting bed and second output terminal stated
Purge outlet valve.
First order adsorbent equipment is as pretreatment buffer, in order to improve its adsorption effect, inside first order adsorbent equipment
The lacquer spraying waste gas direction of motion is provided with porous activated carbon adsorbent layer, the first nonwoven filtration stratum reticulare and the second woven filter net
Layer.
It further include multiple be arranged in each area in workshop in order to which comprehensive each region to workshop carries out the collection of exhaust gas
The lacquer spraying waste gas suction manifold in domain, the lacquer spraying waste gas suction manifold are connected with lacquer spraying waste gas suction main.
In order to preferably carry out desorption manipulation to sieve adsorpting bed and faster decompose VOCs gas catalytic combustion, take off
Adsorption device includes that heat exchanger, catalytic combustion reactor and desorption blower, the second output terminal of sieve adsorpting bed pass through outlet
Pipe is connected with heat exchanger refrigerant inlet, and heat exchanger refrigerant exit is connected with catalytic combustion reactor entrance, and catalysis burning is anti-
Device outlet is answered to be connected with heat exchanger heating agent entrance, the outlet of heat exchanger heating agent passes through hot wind inlet pipe and desorption fans entrance phase
Even, desorption fan outlet is connected by hot wind outlet pipe with the second input terminal of sieve adsorpting bed, is set in the hot wind outlet pipe
Overflow pipe is set, which is connected with purification exhaust pipe, overflow valve is provided on the overflow pipe, the desorption is urged
It further includes the new air benefit pipe for being incorporated to hot wind inlet pipe that makeup, which is set, and the new air is mended and is provided with compensating air valve door on pipe.
The gas after the pre- thermal desorption of heat exchanger in the desorption apparatus, the gas after desorption are transferred into catalysis burning again
Catalysis combustion decomposition is carried out in reactor；High-temperature gas after the completion of decomposition adds the fresh air entered from compensating air valve door
It is re-fed into sieve adsorpting bed after cooling to an OK range, the filler in sieve adsorpting bed is carried out at desorption
Reason；The system structure is ingenious, and catalysis reaction is fast, energy utilization rate is high.
In order to start desorption apparatus faster, the catalytic reactor electrified heating function can be used for the initialization of device
Operation.
In order to guarantee that the sieve adsorpting bed after desorption is quickly cooled down, lower step absorption work, the desorption apparatus are carried out
Further include the cooling air inlet pipe being connected with the second input terminal of sieve adsorpting bed, is provided on the cooling air inlet pipe
Cooling air valve.
In order to avoid blower frequent start-stop is desorbed, and guarantee that desorption catalyzing reactor is in suitable temperature range, also wraps
The inner circulating tube being connected with desorption fan outlet is included, the inner circulating tube is incorporated to desorption gas outlet pipe, the desorption gas outlet pipe
Or interior loop control valve is provided on inner circulating tube.
The utility model has the advantages that
It differs greatly for workshop pollutant level peak-to-valley value, the utility model uses two-stage adsorption structure, passes through absorption
Relatively stable concentration is converted by momentary pulse with the process of parsing and carries out subsequent processing, improves the purification effect of complete equipment
Rate, it is ensured that can emission compliance in the case where each load paints operating condition；First order molecular sieve adsorbent equipment, which is adjustable into the second level, to be inhaled
VOCs concentration in adsorption device exhaust gas, the range for changing concentration reduce；Second level molecular sieve adsorbent equipment is multiple module paralleling
Rotary structure can control each module adsorption and desorption in turn by valve；When operation, moieties sieve adsorbent bed and are in absorption
Working condition, remaining sieve adsorpting bed is in desorption working condition, in cycles, to guarantee second level adsorbent equipment always
Higher adsorption capacity is kept, ensures to discharge with this lasting up to standard；Substantially prolong in the adsorbent equipment of the second level filler more
The period is changed, so that operating cost be greatly lowered, improves the adsorption efficiency and reliability of governing system.
The utility model structure is simple, multiple functional, adsorption efficiency is high, high reliablity, and second level adsorbent equipment is rotation
Structure, part of module are in absorption working condition, remaining module is in desorption working condition, in cycles, to guarantee second
Grade adsorbent equipment is always maintained at higher adsorption capacity, ensures to discharge with this lasting up to standard.Second level adsorbent equipment is increased, the
The replacement cycle of primary adsorption device adsorbent porous activated carbon can significantly extend, so that operating cost be greatly lowered.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is the overall structure figure of the utility model；
Fig. 3 is the structural schematic diagram of utility model works situation 1；
Fig. 4 is the structural schematic diagram of utility model works situation 2；
Fig. 5 is the structural schematic diagram of utility model works situation 3.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is made below in conjunction with embodiment and attached drawing further
It is described in detail, which is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
As shown in Figure 1, a kind of be directed to Wind Volume high concentration polluted air from paint booth governing system, including first order adsorbent equipment
3, second level adsorbent equipment 9 and desorption apparatus 14, the second level adsorbent equipment 9 by multiple parallel connections sieve adsorpting bed 8
Composition；The lacquer spraying waste gas direction of motion is provided with porous activated carbon adsorbent layer 2, the first nonwoven inside first order adsorbent equipment
Filtering meshes 4 and the second nonwoven filtration stratum reticulare 5；Honeycomb zeolite is filled in sieve adsorpting bed 8.
The input terminal of the first order adsorbent equipment 3 is connected with lacquer spraying waste gas suction main 1, first order adsorbent equipment 3
Output end be connected with the first input end of each sieve adsorpting bed, the first output end and exhausting of each sieve adsorpting bed
Blower 12 is connected；The second level is respectively arranged on 8 first input end of each sieve adsorpting bed and the first output end to enter
Mouth valve 6 and second level outlet valve 11；The output end of the desorption apparatus and each the second input terminal of sieve adsorpting bed
It is connected, each sieve adsorpting bed second output terminal is connected with the input terminal of desorption apparatus, each sieve adsorpting bed
Desorption purging inlet valve 7 and desorption purging outlet valve 10 are respectively arranged on second input terminal and second output terminal.
In order to which comprehensive each region to workshop carries out the collection of exhaust gas, the waste gas pollution control and treatment system further includes more
A lacquer spraying waste gas suction manifold (not marked in attached drawing) that workshop each region is set and is connected with lacquer spraying waste gas suction main.
As shown in Fig. 2, the desorption apparatus include heat exchanger 17, catalytic combustion reactor 15 and desorption blower 19,
The second output terminal of each sieve adsorpting bed 8 is connected by escape pipe with 17 refrigerant inlet of heat exchanger, and heat exchanger 17 is cold
Matchmaker outlet is connected with 15 entrance of catalytic combustion reactor, the outlet of catalytic combustion reactor 15 and 17 heating agent entrance phase of heat exchanger
Even, the outlet of 17 heating agent of heat exchanger is connected by hot wind inlet pipe with desorption 19 entrance of blower, and the outlet of desorption blower 19 passes through hot wind
Outlet pipe is connected with the second input terminal of each sieve adsorpting bed, and overflow pipe is arranged in the hot wind outlet pipe, the overflow pipe with
It purifies exhaust pipe to be connected, overflow valve 18 is provided on the overflow pipe, the desorption catalyzing device further includes being incorporated to
The new air of hot wind inlet pipe mends pipe, and the new air is mended and is provided with compensating air valve door 16 on pipe.
The gas after the pre- thermal desorption of heat exchanger in the desorption apparatus, the gas after desorption are transferred into catalysis burning again
Catalysis combustion decomposition is carried out in reactor；High-temperature gas after the completion of decomposition adds the fresh air entered from compensating air valve door
It is re-fed into sieve adsorpting bed after cooling to an OK range, the filler in sieve adsorpting bed is carried out at desorption
Reason；The system structure is ingenious, and catalysis reaction is fast, energy utilization rate is high.
In order to start desorption apparatus faster, the catalytic reactor electrified heating function can be used for the initialization of device
Operation.
In order to guarantee that the sieve adsorpting bed after desorption is quickly cooled down, it is additionally provided with the second input terminal with sieve adsorpting bed
Connected cooling air inlet pipe is provided with cooling air valve 21 on the cooling air inlet pipe.
In order to avoid blower frequent start-stop is desorbed, and guarantee that desorption catalyzing reactor is in suitable temperature range, also wraps
The inner circulating tube being connected with desorption fan outlet is included, the inner circulating tube is incorporated to desorption gas outlet pipe, the desorption gas outlet pipe
On be provided with interior loop control valve 20.
In order to preferably explain workflow, preferably six sets in parallel operation sieve adsorpting beds are illustrated below.
Working condition 1
As shown in figure 3, first order adsorbent equipment pre-processes buffer will be most of when workshop VOCs level is in peak value
VOCs absorption, the VOCs of rest part is using second level adsorbent equipment molecular sieve adsorbent equipment Adsorption major part；This
When in order to which VOCs gas is absorbed in time, the second level of tri- sieve adsorpting beds 8 of d, e, f in second level adsorbent equipment 9 enters
Mouth valve 6 and second level outlet valve 11 are opened, and desorption purging inlet valve 7 is closed with purging outlet valve 10 is desorbed；a,b,c
The second level inlet valve 6 and second level outlet valve 11 of three sieve adsorpting beds 8 are closed, desorption purging 7 He of inlet valve
Desorption purging outlet valve 10 is opened；Tri- sieve adsorpting beds 8 of d, e, f carry out adsorption operations, tri- molecular sieves of a, b, c at this time
Adsorbent bed 8 carries out desorption manipulation；Gas after absorption is discharged after discharge detection 13.
Working condition 2
As shown in figure 4, first order adsorbent equipment pre-processes buffer will be most when VOCs concentration is lower in workshop
VOCs is adsorbed, and a sieve adsorpting bed in the adsorbent equipment of the second level is in adsorbed state, and the module and desorption of other part fill
Connection is set, detachment status is in.VOCs gas is big by the adsorbent equipment Adsorption that second level adsorbent equipment molecular sieve is opened
Part, the module in detachment status carry out desorption manipulation, the VOCs which adsorbs are decomposed into innocuous substance, thus
Guarantee emission compliance.
Working condition 3
As shown in figure 5, when a sieve adsorpting bed in the adsorbent equipment of the second level is in adsorption saturation state, rotation b
Number sieve adsorpting bed carries out adsorption operations.
Compared to traditional secondary absorption governing system, this system only needs to adjust the work shape of specific sieve adsorpting bed
State administers the work requirements with continuous work when can meet peak valley, adaptable, simple and reliable for structure, overall cost is low
Honest and clean, operating cost is low.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. one kind be directed to Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that including first order adsorbent equipment,
Second level adsorbent equipment and desorption apparatus, the second level adsorbent equipment are made of the sieve adsorpting bed of multiple parallel connections；
The input terminal of the first order adsorbent equipment is connected with lacquer spraying waste gas suction main, the output end of first order adsorbent equipment
It is connected with the first input end of each sieve adsorpting bed, the first output end and the induced draft fans phase of each sieve adsorpting bed
Even；Second level inlet valve and are respectively arranged on each sieve adsorpting bed first input end and the first output end
Secondary exit port valve；
The output end of the desorption apparatus is connected with each the second input terminal of sieve adsorpting bed, each sieve adsorpting bed
Two output ends are connected with the input terminal of desorption apparatus, the second input terminal and second output terminal of each sieve adsorpting bed
On be respectively arranged with desorption purging inlet valve and desorption purging outlet valve.
2. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
The lacquer spraying waste gas direction of motion is provided with porous activated carbon adsorbent layer, the first nonwoven inside the first order adsorbent equipment
Filtering meshes and the second nonwoven filtration stratum reticulare.
3. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
Honeycomb zeolite is filled in the sieve adsorpting bed.
4. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
It further include multiple lacquer spraying waste gas suction manifolds, which is connected with lacquer spraying waste gas suction main.
5. according to claim 1 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
The desorption apparatus includes that heat exchanger, catalytic combustion reactor and desorption blower, the second of each sieve adsorpting bed are defeated
Outlet is connected by escape pipe with heat exchanger refrigerant inlet, heat exchanger refrigerant exit and catalytic combustion reactor entrance phase
Connect, catalytic combustion reactor outlet is connected with heat exchanger heating agent entrance, and the outlet of heat exchanger heating agent is by hot wind inlet pipe and takes off
Attached fans entrance is connected, and desorption fan outlet is connected by hot wind outlet pipe with the second input terminal of each sieve adsorpting bed, institute
Overflow pipe is set in the hot wind outlet pipe stated, which is connected with purification exhaust pipe, is provided on the overflow pipe excessive
Valve is flowed, the desorption apparatus further includes the new air benefit pipe for being incorporated to hot wind inlet pipe, and the new air is mended and is provided with benefit on pipe
Fill air door.
6. according to claim 5 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
Further include the cooling air inlet pipe being connected with the second input terminal of sieve adsorpting bed, is provided on the cooling air inlet pipe
Cooling air valve.
7. according to claim 5 a kind of for Wind Volume high concentration polluted air from paint booth governing system, which is characterized in that
It further include the inner circulating tube being connected with desorption fan outlet, the inner circulating tube is incorporated to desorption gas outlet pipe, sets on inner circulating tube
It is equipped with interior loop control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019355.5U CN208742226U (en) | 2018-06-29 | 2018-06-29 | One kind being directed to Wind Volume high concentration polluted air from paint booth governing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019355.5U CN208742226U (en) | 2018-06-29 | 2018-06-29 | One kind being directed to Wind Volume high concentration polluted air from paint booth governing system |
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| Publication Number | Publication Date |
|---|---|
| CN208742226U true CN208742226U (en) | 2019-04-16 |
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ID=66054405
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821019355.5U Active CN208742226U (en) | 2018-06-29 | 2018-06-29 | One kind being directed to Wind Volume high concentration polluted air from paint booth governing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713577A (en) * | 2021-08-27 | 2021-11-30 | 中船海洋动力部件有限公司 | Volatile organic compound centralized processing system suitable for multiple parallel coating workshops |
-
2018
- 2018-06-29 CN CN201821019355.5U patent/CN208742226U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113713577A (en) * | 2021-08-27 | 2021-11-30 | 中船海洋动力部件有限公司 | Volatile organic compound centralized processing system suitable for multiple parallel coating workshops |
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