CN208108130U - A kind of drying workshop VOCs treatment device - Google Patents
A kind of drying workshop VOCs treatment device Download PDFInfo
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- CN208108130U CN208108130U CN201721859787.2U CN201721859787U CN208108130U CN 208108130 U CN208108130 U CN 208108130U CN 201721859787 U CN201721859787 U CN 201721859787U CN 208108130 U CN208108130 U CN 208108130U
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Abstract
The utility model provides a kind of drying workshop VOCs treatment device, including workshop, exhaust emission pipe, heat accumulating type incineration equipment, the first heat exchange unit, the second heat exchange unit, oxidation equipment, exhaust tube, the first valve, the second valve, third valve and the 4th valve；Workshop connects exhaust emission pipe, the second valve, heat accumulating type incineration equipment, heat accumulating type incineration equipment connects the first heat exchange unit cold side input port, heat accumulating type incineration equipment connects through the 4th valve and the second heat exchange unit hot side entrance, first heat exchange unit cold side outlet port connects the second heat exchange unit cold side input port, and the first heat exchange unit hot side outlet is connected with exhaust tube；Second heat exchange unit hot side outlet is connected with oxidation equipment entrance, and oxidation equipment outlet is connected with the first heat exchange unit hot side entrance；Exhaust emission pipe is through the first valve platoon inflator；Third valve also connects heat accumulating type incineration equipment.The utility model is able to satisfy waste gas pollution control and treatment demand.
Description
Technical field
The utility model relates to organic gas Treatment process fields more particularly to a kind of drying workshop VOCs treatment to fill
It sets.
Background technique
In coating, spraying industry, it will use a large amount of organic solvents in ink, coating spraying process, organic solvent type is numerous
It is more and mostly harmful, such as toluene, dimethylbenzene, isopropanol, butanol, acetate esters.After the completion of coating, spraying, product is sent to baking
Stove room is dried.During the drying process, can volatilize a large amount of high-concentration organic waste gas, and organic exhaust gas can take baking out of with drying hot wind
Stove room is discharged into atmosphere, brings a series of safety hazards to human body and environment.
Recently as the issuing and implementation of domestic each department organic exhaust gas New emission standard and differential pollution discharge levy system,
To the purifying rate of administering method more stringent requirements are proposed in addition 99% or more purifying rate.It is traditional for drying room waste gases
Processing mode mainly has incineration method, activated carbon adsorption-solvent recovery process.Both technology modes are all made of first class purification dress
It sets, although 99% or more purifying rate can be reached, there are still difficulty of governance or risk not up to standard.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of drying workshop VOCs treatment device, can expire
Sufficient VOCs high purifying rate requires and waste gas pollution control and treatment demand.
The utility model is realized in this way：
A kind of drying workshop VOCs treatment device, including workshop, exhaust emission pipe, heat accumulating type incineration equipment, help
Fire blower, combustion-supporting fuels sources, burner, the first heat exchange unit, the second heat exchange unit, oxidation equipment, exhaust tube, force one wind
Machine, second level blower, the first valve, the second valve, third valve and the 4th valve；
The connection of the entrance of the workshop and exhaust emission pipe, the outlet of the exhaust emission pipe by the second valve with
The entrance of level-one blower is connected, and the outlet of the level-one blower is connected with the entrance of heat accumulating type incineration equipment, and the heat accumulating type is burnt
The first outlet for burning equipment is connected with the cold side input port of the first heat exchange unit, and the second outlet of the heat accumulating type incineration equipment passes through
4th valve is connected with the hot side entrance of the second heat exchange unit, and the heat accumulating type incineration equipment is connected with burner, the burning
Device is connected with combustion fan and combustion-supporting fuels sources respectively；The cold side outlet port of first heat exchange unit is cold with the second heat exchange unit
Side entrance is connected, and the hot side outlet of first heat exchange unit is connected with the entrance of second level blower, the outlet of the second level blower
It is connected with exhaust tube；The hot side outlet of second heat exchange unit is connected with the entrance of oxidation equipment, the catalysis oxidation
The outlet of equipment is connected with the hot side entrance of the first heat exchange unit；The outlet of the exhaust emission pipe also pass through the first valve with
Exhaust tube is connected；Fresh air passes sequentially through the third valve and is connected with level-one blower with the entrance of heat accumulating type incineration equipment.
It further, further include flame arrester for pipe, one end of the flame arrester for pipe is connected to the second valve, the pipeline
The other end of fire arrester is connect with the first valve and exhaust emission pipe respectively.
It further, further include the instrument and meter of controller, liquid crystal touch screen and band signal transmission, the controller difference
Instrument and meter, the burner, combustion-supporting fuels sources, combustion fan, level-one blower, light breeze transmitted with liquid crystal touch screen, band signal
Machine, the first valve, the second valve, third valve and the connection of the 4th valve.
Further, the controller is PLC controller or DCS controller.
Further, the instrument and meter of band signal transmission be thermocouple/resistance, differential pressure transmitter, pressure transmitter or
Imflammable gas concentration detector.
Further, the heat accumulating type incineration equipment is that two bed type, three bed, multibed type or rotary heat accumulating type heating power are burnt
Burn furnace.
Further, first heat exchange unit is shell and tube or plate-type heat-exchange unit, and second heat exchange unit is column
Tubular type or plate-type heat-exchange unit.
The utility model has the advantage of：Desired middle/high concentration organic waste gas is administered for very high, the utility model is adopted
The mode combined with heat accumulating type incineration technique with catalytic oxidation technique reaches 99% or more purifying rate；Simultaneously as organic waste
Gas concentration is high, in addition to maintaining the operation of heat accumulating type incineration equipment self-heating, can also provide heat as catalysis oxidation charge heating heat
Source, low energy consumption.Oxidation equipment is invested low it is not necessary that auxiliary heater is separately configured simultaneously.
Detailed description of the invention
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of structural schematic diagram for drying workshop VOCs treatment device of the utility model.
Fig. 2 is controller automatization control system schematic diagram in the utility model.
Fig. 3 is a kind of execution flow chart for drying workshop VOCs treatment method of the utility model.
Figure label explanation：
The workshop 1-, 2- exhaust emission pipe, 3- flame arrester for pipe, 4- exhaust tube；
101- level-one blower, 102- second level blower, 201- heat accumulating type incineration equipment, the first heat exchange unit of 301-, 302-
Two heat exchange units, 401- combustion fan, 402- combustion air fuels sources, 403- burner, 501- oxidation equipment, 601- control
The instrument and meter that device, 701- liquid crystal touch screen, 801- band signal transmit；
The first valve of V1-, the second valve of V2-, V3- third valve, the 4th valve of V4-.
Specific embodiment
To be clearer and more comprehensible the utility model, now with a preferred embodiment, and attached drawing is cooperated to be described in detail below.
Refering to Figure 1, a kind of drying workshop VOCs treatment device of the utility model, including workshop 1, exhaust gas
Discharge tube 2, flame arrester for pipe 3, exhaust tube 4, heat accumulating type incineration equipment 201, combustion fan 401, combustion-supporting fuels sources 402, combustion
Burner 403, the first heat exchange unit 301, the second heat exchange unit 302, oxidation equipment 501, level-one blower 101, second level blower
102, the first valve V1, the second valve V2, third valve V3 and the 4th valve V4；
The workshop 1 is connect with the entrance of exhaust emission pipe 2, and the outlet of the exhaust emission pipe 2 passes sequentially through pipe
Road fire arrester 3 and the second valve V2 are connected with the entrance of level-one blower 101, and flame arrester for pipe 3 is arranged in pipeline, and effect is
It prevents external flame from scurrying into the equipment for having flammable explosive gas, in pipeline or flame prevented to spread in equipment, pipeline enclosure；It is described
The outlet of level-one blower 101 is connected with the entrance of heat accumulating type incineration equipment 201, and the first of the heat accumulating type incineration equipment 201 goes out
Mouth is connected with the cold side input port of the first heat exchange unit 301, and the second outlet of the heat accumulating type incineration equipment 201 passes through the 4th valve
V4 is connected with the hot side entrance of the second heat exchange unit 302, and the 4th valve V4 guarantees the heat exchange effect of the second heat exchange unit 302
Fruit；The heat accumulating type incineration equipment 201 is connected with burner 403, the burner 403 respectively with combustion fan 401 and combustion-supporting
Fuels sources 402 are connected, by combustion fan 401, combustion-supporting fuels sources 402 and burner 403 to having in heat accumulating type incineration equipment
Machine exhaust gas burns, to carry out high temperature oxidation process to high-concentration organic waste gas；The cold side of first heat exchange unit 301
Outlet is connected with the cold side input port of the second heat exchange unit 302, the hot side outlet and second level blower of first heat exchange unit 301
102 entrance is connected, and the outlet of the second level blower 102 is connected with exhaust tube 4；The hot side of second heat exchange unit 302 goes out
Mouth is connected with the entrance of oxidation equipment 501, the outlet and the heat of the first heat exchange unit 301 of the oxidation equipment 501
Side entrance is connected；This paths is that organic exhaust gas will be after heat accumulating type incineration equipment 201 and oxidation equipment 501 be handled
Paths traversed is discharged；
The outlet of the exhaust emission pipe 2 also passes through the first valve V1 and is connected with exhaust tube 4；This paths is organic
Exhaust gas is handled without heat accumulating type incineration equipment 201 and oxidation equipment 501, is expelled directly out paths traversed；
Fresh air passes sequentially through the third valve V3 and level-one blower 101 with the entrance of heat accumulating type incineration equipment 201
It is connected；The third valve V3 is interlocked with the fire box temperature of heat accumulating type incineration equipment 201, guarantees system stable operation, according to furnace
Bore temperature situation adjusts the aperture of third valve V3.
Specifically, the heat accumulating type incineration equipment 201 is two bed type, three bed, multibed type or rotary heat accumulating type heating power
Incinerator, so that organic waste-gas purification rate is up to 99%, 90% or more heat utilization ratio.
Burner 403：Heat accumulating type incineration equipment 201 opens burner 403 in start-up phase or lower exhaust gas concentration,
Guarantee that organic exhaust gas aoxidizes required temperature.Combustion-supporting fuels sources 402 can be light diesel, natural gas, organic solvent etc., help fire
It burns.
First heat exchange unit 301 is shell and tube or plate-type heat-exchange unit, and second heat exchange unit 302 is shell and tube
Or plate-type heat-exchange unit.
Oxidation equipment 501 is not required to configuration burner, utilizes the high temperature cigarette extracted from 201 burner hearth of heat accumulating type incineration equipment
Gas is that flower forcing oxidation furnaces 501 provide auxiliary thermal source, and organic waste-gas purification rate is up to 99%.
As shown in Fig. 2, the present apparatus can take automatic control, which further includes controller 601,701 and of liquid crystal touch screen
The instrument and meter 801 of band signal transmission, the controller 601 are PLC controller or DCS controller, band signal transmission
Instrument and meter 801 is thermocouple/resistance, differential pressure transmitter, pressure transmitter or imflammable gas concentration detector, can choose it
One of or it is a variety of, the instrument and meter of signal can also be used for transmission using other；The controller 601 is touched with liquid crystal respectively
Touch instrument and meter 801, the burner 403, combustion-supporting fuels sources 402, combustion fan 401, level-one blower of screen 701, band signal transmission
101, second level blower 102, the first valve V1, the second valve V2, third valve V3 and the 4th valve V4 connection；Take PLC or DCS
Control system, mating liquid crystal touch screen 701 operate, instrument and meter 801 (thermocouple/resistance, pressure difference pick-up transmitted by band signal
Device, pressure transmitter, imflammable gas concentration detector etc.) acquire temperature/differential pressure in the present apparatus, pressure, concentration signal,
And it is transferred to controller 601, after which receives the signal, corresponding instruction is issued to burning according to signal condition
Device 403, combustion-supporting fuels sources 402, combustion fan 401, level-one blower 101, second level blower 102, the first valve V1, the second valve
V2, third valve V3 and the 4th valve V4, to automatically control opening or closing for each component, burner 403, combustion-supporting fuels sources
402, combustion fan 401, level-one blower 101, second level blower 102, the first valve V1, the second valve V2, third valve V3 and
The run signal of itself is fed back to controller 601 by four valve V4, to realize automated system operation.
As shown in figure 3, the corresponding method of the device of the utility model mainly has the following contents：
1) warm：Before introducing organic exhaust gas, by auxiliary heating system to heat accumulating type incineration equipment 201, catalysis oxygen
Change equipment 501 to preheat；
2) off-gas oxidizing process：First using heat accumulating type incineration equipment 201 to high-concentration organic waste gas high-temperature oxydation, high temperature
Flue gas after oxidation enters 501 low-temperature oxidation of oxidation equipment after heat exchange unit heats up；
3) heat transfer process：Flue gas after catalytic oxidation treatment empties after heat exchange unit exchanges heat.
A kind of drying workshop VOCs treatment method of the utility model, the method need to provide a kind of above-mentioned drying
Workshop VOCs treatment device, described method includes following steps：
Step 1, when the heat accumulating type incineration equipment 201 and oxidation equipment 501 in operating status, i.e. organic waste
During gas is discharged after heat accumulating type incineration equipment 201 and oxidation equipment 501 are handled, the first valve V1 is closed
It closes, the second valve V2 and the 4th valve V4 are opened, and the third valve V3 is according to the burner hearth temperature of heat accumulating type incineration equipment 201
Degree adjusts its aperture, and the burner 403 and combustion-supporting fuels sources 402 adjust it according to fire box temperature and open or close, and described one
Grade blower 101, second level blower 102 and combustion fan 401 are opened；
Organic exhaust gas passes through exhaust emission pipe 2 by the workshop 1, then successively through the second valve V2 and level-one blower 101
Into heat accumulating type incineration equipment 201, the combustion-supporting fuels sources 402 supply fuel, and the combustion fan 401 provides burning requisite oxygen
Gas, energy supplement when equipment running temperature is lower during carrying out equipment preheating and operation by the burner 403, in the storage
High temperature oxidation process is carried out to high-concentration organic waste gas in hot type burning facility, the harmful components high-temperature oxydation in organic exhaust gas
Afterwards, temperature increases, and heat is largely accumulated in the heat storage of heat accumulating type incineration equipment 201, so that heat accumulating type incineration equipment 201
Delivery temperature it is 40-70 DEG C higher than inlet temperature；Since exhaust gas concentration is higher, in addition to maintaining self-heating operation, releasable portion is gone back
Heat accumulating type incineration equipment 201 is discharged in heat, this partial heat in the form of high-temperature flue gas, through the heat accumulating type incineration equipment 201
Part of smoke after burning is discharged to the second heat exchange list by the 4th valve V4 from the first outlet of heat accumulating type incineration equipment 201
Member 302 carries out low-temperature oxidation processing with oxidation equipment 501 is entered after second heat exchange unit 302 heat exchange；Through the storage
The second outlet of another part flue gas from heat accumulating type incineration equipment 201 after the burning of hot type burning facility 201 is discharged to first and changes
Hot cell 301 with the flue gas after first heat exchange unit 301 heat exchange, then is mixed through second heat exchange unit 302 and is heated up
Afterwards, into oxidation equipment 501 carry out low-temperature oxidation processing, in oxidation equipment 501 by it is upper once aoxidize it is non-purified
Organic exhaust gas carry out exhaustive oxidation after, the flue gas of the oxidation equipment 501 treated catalyzing, oxidizing and purifying is passed through again
After the heat exchange of first heat exchange unit 301, exhaust tube 4 is entered by second level blower 102 and is discharged；
Step 2, when organic exhaust gas is without the heat accumulating type incineration equipment 201 and oxidation equipment 501, i.e., because being
System maintenance or other reasons cannot pass through heat accumulating type incineration equipment 201 and oxidation equipment 501 is handled, the first valve V1
Open, the second valve V2 is closed, and organic exhaust gas enters exhaust emission pipe 2 by the workshop 1, then through the first valve V1 into
Enter the discharge of exhaust tube 4；
Step 3 is transferred to shutdown (not work by operating status when the heat accumulating type incineration equipment 201 and oxidation equipment 501
Make state) before, it needs to cool down to heat accumulating type incineration equipment 201, oxidation equipment 501, at this time the first valve V1 and the
Three valve V3 are opened, and the second valve V2 and the 4th valve V4 are closed, and the burner 403 is closed, the combustion-supporting fuels sources
402 supplies are closed, and the level-one blower 101, second level blower 102 and combustion fan 401 are opened, to burn to the heat accumulating type
It burns equipment 201 and oxidation equipment 501 carries out cooling processing, the fire box temperature and catalysis oxygen to heat accumulating type incineration equipment 201
After the temperature of change equipment 501 is down to safe temperature, the level-one blower 101, second level blower 102 and combustion fan 401 are turned off,
And the first valve V1, the second valve V2, third valve V3 and the 4th valve V4 are resetted, i.e., the described first valve V1, the
Two valve V2, third valve V3 and the 4th valve V4 are turned off.
Organic exhaust gas needs before step 1, to preheat oxidation furnaces, sets oxidation before introducing oxidative system
Standby inside reaches certain temperature：
Step 11, warm：Before introducing organic exhaust gas, by auxiliary heating system to the heat accumulating type incineration equipment
201 and oxidation equipment 501 carry out the pre-heat treatment.
In conclusion the advantages of the utility model, is as follows：
Desired middle/high concentration organic waste gas is administered for very high, the utility model is using heat accumulating type incineration technique with catalysis
The mode of oxidation technology combination, reaches 99% or more purifying rate；Simultaneously as organic exhaust gas concentration is high, except maintenance heat accumulating type
The operation of burning facility self-heating is outer, can also provide heat as catalysis oxidation charge heating heat source, low energy consumption.Catalysis oxidation simultaneously
Equipment is invested low it is not necessary that auxiliary heater is separately configured.
Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (7)
1. a kind of drying workshop VOCs treatment device, it is characterised in that：It is burnt including workshop, exhaust emission pipe, heat accumulating type
Burn equipment, combustion fan, combustion-supporting fuels sources, burner, the first heat exchange unit, the second heat exchange unit, oxidation equipment, exhaust
Cylinder, level-one blower, second level blower, the first valve, the second valve, third valve and the 4th valve；
The outlet of the connection of the entrance of the workshop and exhaust emission pipe, the exhaust emission pipe passes through the second valve and level-one
The entrance of blower is connected, and the outlet of the level-one blower is connected with the entrance of heat accumulating type incineration equipment, and the heat accumulating type incineration is set
Standby first outlet is connected with the cold side input port of the first heat exchange unit, and the second outlet of the heat accumulating type incineration equipment passes through the 4th
Valve is connected with the hot side entrance of the second heat exchange unit, and the heat accumulating type incineration equipment is connected with burner, the burner point
It is not connected with combustion fan and combustion-supporting fuels sources；The cold side of the cold side outlet port and the second heat exchange unit of first heat exchange unit enters
Mouth is connected, and the hot side outlet of first heat exchange unit is connected with the entrance of second level blower, the outlet of the second level blower and row
Inflator is connected；The hot side outlet of second heat exchange unit is connected with the entrance of oxidation equipment, the oxidation equipment
Outlet be connected with the hot side entrance of the first heat exchange unit；The outlet of the exhaust emission pipe also passes through the first valve and exhaust
Cylinder is connected；Fresh air passes sequentially through the third valve and is connected with level-one blower with the entrance of heat accumulating type incineration equipment.
2. a kind of drying workshop as described in claim 1 VOCs treatment device, it is characterised in that：It further include pipeline back-fire relief
Device, one end of the flame arrester for pipe are connected to the second valve, the other end of the flame arrester for pipe respectively with the first valve and
Exhaust emission pipe connection.
3. a kind of drying workshop as described in claim 1 VOCs treatment device, it is characterised in that：Further include controller,
The instrument and meter of liquid crystal touch screen and band signal transmission, the instrument that the controller is transmitted with liquid crystal touch screen, band signal respectively
Instrument, burner, combustion-supporting fuels sources, combustion fan, level-one blower, second level blower, the first valve, the second valve, third valve
It is connected with the 4th valve.
4. a kind of drying workshop as claimed in claim 3 VOCs treatment device, it is characterised in that：The controller is
PLC controller or DCS controller.
5. a kind of drying workshop as claimed in claim 3 VOCs treatment device, it is characterised in that：The band signal transmission
Instrument and meter be thermocouple/resistance, differential pressure transmitter, pressure transmitter or imflammable gas concentration detector.
6. a kind of drying workshop as described in claim 1 VOCs treatment device, it is characterised in that：The heat accumulating type incineration
Equipment is two bed type, three bed, multibed type or rotary heat accumulation type thermal incinerator.
7. a kind of drying workshop as described in claim 1 VOCs treatment device, it is characterised in that：First heat exchange is single
Member is shell and tube or plate-type heat-exchange unit, and second heat exchange unit is shell and tube or plate-type heat-exchange unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859787.2U CN208108130U (en) | 2017-12-27 | 2017-12-27 | A kind of drying workshop VOCs treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859787.2U CN208108130U (en) | 2017-12-27 | 2017-12-27 | A kind of drying workshop VOCs treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208108130U true CN208108130U (en) | 2018-11-16 |
Family
ID=64130106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721859787.2U Active CN208108130U (en) | 2017-12-27 | 2017-12-27 | A kind of drying workshop VOCs treatment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208108130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940478A (en) * | 2017-12-27 | 2018-04-20 | 福建恒嘉环保设备有限公司 | One kind drying workshop VOCs treatment device and method |
| CN113289451A (en) * | 2021-05-27 | 2021-08-24 | 中弘环境工程（北京）有限公司 | Treatment and waste heat utilization system and treatment and waste heat utilization method for tail gas of carbon-carbon composite material preparation process |
-
2017
- 2017-12-27 CN CN201721859787.2U patent/CN208108130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940478A (en) * | 2017-12-27 | 2018-04-20 | 福建恒嘉环保设备有限公司 | One kind drying workshop VOCs treatment device and method |
| CN113289451A (en) * | 2021-05-27 | 2021-08-24 | 中弘环境工程（北京）有限公司 | Treatment and waste heat utilization system and treatment and waste heat utilization method for tail gas of carbon-carbon composite material preparation process |
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