CN206168167U - Package printing industry VOCs process exhaust's treatment facility - Google Patents
Package printing industry VOCs process exhaust's treatment facility Download PDFInfo
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- CN206168167U CN206168167U CN201621005262.8U CN201621005262U CN206168167U CN 206168167 U CN206168167 U CN 206168167U CN 201621005262 U CN201621005262 U CN 201621005262U CN 206168167 U CN206168167 U CN 206168167U
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- heat exchanger
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- Treating Waste Gases (AREA)
- Incineration Of Waste (AREA)
Abstract
The utility model belongs to the technical field of air pollution control equipment, relate to package printing industry VOCs process exhaust's treatment facility. The waste gas that contains VOCS gets into adsorption equipment from gas collecting main, and the waste gas that the process was handled is discharged through purifying emptying pipeline, when absorption reached the saturation, the system got into the desorption cycle, and the VOCs that is adsorbed is by hot -blast desorption, and the VOCs gas that the desorption obtained the concentration is sent to first heat exchanger through the desorption induced duct and preheats shifts to the oxidizing chamber oxidation after, utilize some evacuation purified gass to shift with nice and warm desorption hot -blast main through the second heat exchanger and be used for the desorption in adsorption tank, the adsorbent behind the adsorption saturation can desorption regeneration. Combustion system installs provides heat energy at the left facade of oxidizing chamber for the oxidizing chamber. The utility model discloses effectively solve the gravure press, the compounding machine oven exhaust process exhaust amount of wind is big, a difficult problem is recycled in the absorption that VOCs exhaust concentration is low.
Description
Technical field
This utility model belongs to prevention and control of air pollution equipment technical field, is related to the place of packages printing industry VOCs technology waste gas
Reason equipment.
Background technology
VOCS is the abbreviation of VOC, including hydro carbons, aromatic hydrocarbons.Alcohols, aldehydes, amine, organic acid etc..
VOCS highly volatiles under room temperature, can cause serious harm to environment.Existing equipment is dense when the organic gas of high concentration is processed
Contracting waste gas hot blast after heat exchanger is used to be desorbed, but most of flue gas heat cannot carry out effective recycling, cause VOCs
Thermal oxidation process consumes higher heat energy.
The content of the invention
The purpose of this utility model is to provide the processing equipment of packages printing industry VOCs technology waste gas, overcomes at current VOCS
Consume energy high, the low problem of efficiency of utilization in reason equipment, there is provided it is a kind of with high efficiency, high-environmental, energy-conservation packages printing
The processing equipment of industry VOCs technology waste gas.
The purpose of this utility model is realized by following technical scheme：
The processing equipment of packages printing industry VOCs technology waste gas, mainly including adsorbent equipment, oxidizing chamber, combustion system, change
Hot device, the waste gas containing VOCS enters adsorbent equipment from gas gathering manifold, and the cellular activated carbon inside adsorbent equipment is carried out to VOCS
Absorption, treated waste gas is discharged by purification emptying pipeline；When absorption reaches saturation, system enters Off attached cycles, quilt
The VOCs of absorption is attached by hot blast Off, and the VOCs gases that desorption obtains concentrating are sent to First Heat Exchanger preheating by being desorbed induced duct,
After be transferred to oxidizing chamber oxidation.Warm-air pipe is heated and be desorbed by the second heat exchanger using partially draining purified gas and is transferred to absorption
It is used to be desorbed in case, the adsorbent after adsorption saturation is able to desorption and regeneration.Combustion system is arranged on the left facade of oxidizing chamber for oxidation
Room provides heat energy.
Further, every group of adsorption box is divided into multiple units in described adsorbent equipment, inside the same period time
Subdivision is in adsorbed state, retains VOCs, and unit is in detachment status, discharges VOCs, realizes the concentration of waste gas；Absorption
In case, each unit is provided with electroheat pair, monitors stable.
The row that the conformance with standard of concentration containing VOCs overflowed as preferred, described purification emptying pipeline system adsorption box is required
Empty passage, purified gas floss hole is provided with VOCs concentration detectors, and when concentration reaches setting value, adsorption desorption unit is cut
Change.
Further, described gas gathering manifold discharges headend equipment organic exhaust gas centralized collection is simultaneously dispensed into absorption
Case；Each waste gas inlet is each equipped with the switching valve of a pair of parallel connections, and emptying switching valve is normally opened, and air inlet switching valve is normally closed.
When a certain air inlet operates line, emptying switching valve is closed, air inlet switching valve is opened；When operating offline, emptying switching valve is beaten
Open, air inlet switching valve is closed.
Further, described gas gathering manifold arranges centrifugal blower and provides power for organic exhaust gas, makes waste gas pass through absorption
Adsorption layer in case and purify emptying；Centrifugal blower suction side is provided with pressure transmitter for determining pipe negative pressure value, works as pressure
During power P≤- 100Pa, centrifugal blower reduction of speed.
Further, described adsorption box arranges spark arrester and explosion-proof valve, and spark arrester baffle system accident flare returns bunching
Between, release when explosion-proof valve transfinites for system running pressure.
Used as the main place of preferred, described oxidizing chamber system VOCs pyrolysis oxidizations, at high temperature, VOCs is produced cavity
Flameless combustion generates CO2 and H2O；Oxidizing chamber is provided with electroheat pair detection temperature, when temperature over-range, makes combustion system reduce combustion
Material input quantity, set fail satisfaction and require in the time limit when, bypass pipe leads to the valve of chimney and opens, and allows flue gas directly to empty,
When the operating pressure of combustor transfinites, the venting of dust explosion lid above combustor opens pressure release, it is ensured that safety.
It is used for the recovery of fume waste heat as preferred, described First Heat Exchanger and configures, the heat exchanger completes flue gas
First order waste gas recovery, concentration organic exhaust gas be preheating to 350 °C to 400 °C；Second heat exchanger is for fume waste heat
The second level reclaim and configure, the heat exchanger is preheating to 150 °C to 180 °C purified gas, hot blast of the formation as desorption.
Further, described First Heat Exchanger and the second heat exchanger are respectively provided with the first regulating valve and the second regulating valve,
By the regulation of two regulating valves, make concentration organic exhaust gas that First Heat Exchanger and the second heat exchanger export at a temperature of setting and
Desorption hot blast.
The utility model has the advantage of：
1st, this device is concentrated using ADSORPTION IN A FIXED BED, the technology waste gas wind that effectively solving intaglio printing press, compounding machine baking oven are discharged
Amount is big, and the low absorption of VOCs exhaust concentrations recycles a difficult problem, and the adsorbent after adsorption saturation is entered back into uses hot blast desorption and regeneration, obtains
To the mixed solvent gas of higher concentration, thermal oxide system purification is routed directly to.
2nd, mode is desorbed using hot blast, it is to avoid condensed water secondary pollution that traditional water vapour desorption is caused and complexity
Technological process.
3rd, special Adsorption Concentration technological design, using waste gas it is low enter temperature, low-speed and remove the cooling of adsorbent bed from, have
Effect realizes low concentration, the concentration of the compound exhaust system organic exhaust gas of Wind Volume printing；The direct oxidation again of the organic gas of high concentration
Release heat.Meanwhile, be configured with two efficient heat exchangers carries out recuperation of heat to primary concentration waste gas used heat high-temperature flue gas waste heat：
1. the used heat of one-level flue gas is reclaimed with heat exchanger 1,2. the tail that the heating of another part flue gas heat is collected is absorbed with heat exchanger 2
Gas as desorption hot blast, to saturated activity agent desorption and regeneration.
4th, systematized Explosion-proof Design and security node are monitored, it is ensured that equipment safety operation.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals：1st, the first adsorption box；2nd, the second adsorption box；3rd, the 3rd adsorption box；4th, gas gathering manifold；5th, aoxidize
Room；6th, combustion system；7th, First Heat Exchanger；8th, the second heat exchanger；9th, chimney；10th, blower fan；11st, spark arrester；12nd, explosion venting valve；
13rd, switching valve；14th, evacuated tube is purified；15th, it is desorbed warm-air pipe；16th, regulating valve.
Specific embodiment
As shown in figure 1, the processing equipment of packages printing industry VOCs technology waste gas, mainly including adsorbent equipment, oxidizing chamber, combustion
Burning system, heat exchanger, wherein adsorption box are divided into the first adsorption box, the second adsorption box, the 3rd adsorption box and are formed in parallel, per group of absorption
Case is divided into multiple units, and subdivision is in adsorbed state inside the same period time, retains VOCs, and unit is in de-
Attached state, discharges VOCs, realizes the concentration of waste gas, and in adsorption box, each unit is provided with electroheat pair, monitors stable.
Waste gas containing VOCS enters adsorbent equipment from gas gathering manifold, and the cellular activated carbon inside adsorption box adsorbs to VOCS, Jing
Cross the waste gas for processing to discharge by purification emptying pipeline；When absorption reaches saturation, system enters the Off attached cycles, is adsorbed it
VOCs is attached by hot blast Off, and desorption obtains VOCs gases and is sent to First Heat Exchanger by being desorbed induced duct.It is logical using Partial cleansing gas
Cross the second heat exchanger and desorption warm-air pipe is transferred in adsorption box and is used to be desorbed.Into after the concentration heating by the exhaust gases of First Heat Exchanger
Oxidizing chamber oxidation is transferred to, combustion system provides heat energy installed in the left facade of oxidizing chamber for oxidizing chamber.Purification emptying pipeline system inhales
The emptying passage that the conformance with standard of concentration containing VOCs that attached case overflows is required, purified gas floss hole is provided with VOCs concentration detectors,
When concentration reaches setting value, adsorption desorption unit is switched over.The organic exhaust gas that gas gathering manifold discharges headend equipment are concentrated and received
Collect and be dispensed into adsorption box, waste gas inlet is each equipped with the switching valve of a pair of parallel connections in the present embodiment, and emptying switching valve is normal
Open, air inlet switching valve is normally closed.When a certain air inlet operates line, emptying switching valve is closed, air inlet switching valve is opened；Operation
When offline, emptying switching valve is opened, air inlet switching valve is closed.Gas gathering manifold arranges centrifugal blower and provides power for organic exhaust gas,
Make adsorption layer that waste gas passed through in adsorption box and purify emptying, centrifugal blower suction side be provided with pressure transmitter for determine manage
Road negative pressure value, as pressure P≤- 100Pa, centrifugal blower reduction of speed.The main place of oxidizing chamber system VOCs pyrolysis oxidizations, cavity exists
Under high temperature, VOCs produces flameless combustion and generates CO2 and H2O.
Oxidizing chamber is provided with electroheat pair detection temperature, when temperature over-range, makes combustion system reduce fuel input, is setting
When failing satisfaction and require in specified time, bypass pipe leads to the valve opening of chimney, allows flue gas directly to empty, when the operation of combustor
During pressure limit, the venting of dust explosion lid above combustor opens pressure release, it is ensured that safety.760 degree of the operating temperature of oxidizing chamber, highest limit
900 degree of temperature.By PLC program control, the concentration waste gas of desorption is heated to 350 into First Heat Exchanger through undertaking system~
400 °C, it is oxidized when oxidizing chamber is flowed through and generates CO2 and H2O, and discharges heat.Heat entrained by the high-temperature flue gas of generation,
A part adds thermal desorption hot blast by first heat exchanger heating concentration waste gas, another part by second heat exchanger.System
Regulating valve is configured with, the hot blast output temperature of heat exchanger is controlled；Emergent emptying regulating valve is configured with, when oxidation room temperature exceedes
During setting value, regulating valve emptying, control oxidation indoor temperature is in the range of setting, it is ensured that the safety of equipment.
Combustion combustion system is by fuel tube, compressed air tunnel, control valve, burner, detection controller unit
Composition.Pressure transducer and electric check valve are installed on pipeline, fuel is utterly broken off when making the system failure.
First adsorption box, the second adsorption box, the 3rd adsorption box are respectively provided with spark arrester and explosion-proof valve, spark arrester baffle system
It is unexpected that flare is returned between bunching, is released when explosion-proof valve transfinites for system running pressure.Adsorption box cycle time is dense by tail gas VOCs
Degree is determined, when the COVs concentration of COVs concentration detector on-line checkings exceedes setting value, switched over by switching valve.
First Heat Exchanger is used for the recovery of fume waste heat and configures, and the heat exchanger completes the first order waste gas recovery of flue gas,
The organic exhaust gas of concentration are preheating to 350 °C to 400 °C；Second heat exchanger 8 is matched somebody with somebody in order to the second level of fume waste heat is reclaimed
Put, the heat exchanger is preheating to 150 °C to 180 °C purified gas, form the hot blast as desorption.First Heat Exchanger and second is changed
Hot device is respectively provided with the first regulating valve and the second regulating valve, by the regulation of two regulating valves, makes First Heat Exchanger and the second heat exchange
Concentration organic exhaust gas and desorption hot blast that device is exported at a temperature of setting.
Control system carries out auto monitoring and measurement and control to equipment, and arranges hardwire jerk to press using PLC program control
Button.Control panel installs touch screen, in system picture can monitoring CPU at any time main running status, attached with frequency converters, according to work
The steady blower fan of condition, reduces starting current, effectively energy-saving, reduces operating cost.Package unit full auto-programs are controlled, operation
Personnel need only power transmission and press start button, system can automatic circulating operation, realize ease of Use.Meanwhile, control system configuration
Have：
A. the manual stoppage that meets an urgent need operates；
B. running state data remote transmission, collection, manipulation.
Although embodiment of the present utility model is disclosed as above, it is not limited in institute in description and embodiment
Row are used, and it can be applied to completely various fields of the present utility model, for the engineers and technicians of this area, can hold
Modification is easily realized, therefore under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited
In specific details and shown here as the legend with description.
Claims (9)
1. the processing equipment of packages printing industry VOCs technology waste gas, mainly including adsorbent equipment, oxidizing chamber, combustion system, heat exchange
Device, it is characterised in that：Waste gas containing VOCs enters adsorbent equipment from gas gathering manifold, the cellular activated carbon pair inside adsorbent equipment
VOCs is adsorbed, and treated waste gas is discharged by purification emptying pipeline；When absorption reaches saturation, it is attached that system enters Off
Cycle, adsorbed VOCs is attached by hot blast Off, and the VOCs gases that desorption obtains concentrating are sent to the first heat exchange by being desorbed induced duct
Device preheat, after be transferred to oxidizing chamber oxidation；Warm-air pipe is heated and is desorbed by the second heat exchanger using partially draining purified gas to turn
To move to be used in adsorption box and be desorbed, the adsorbent after adsorption saturation is able to desorption and regeneration, and it is left vertical that combustion system is arranged on oxidizing chamber
Face provides heat energy for oxidizing chamber.
2. package printing industry VOCs emission-control equipments according to claim 1, it is characterised in that：Described absorption dress
Every group of adsorption box is divided into multiple units in putting, and subdivision is in adsorbed state inside the same period time, retains VOCs, portion
Subdivision is in detachment status, discharges VOCs, realizes the concentration of waste gas；In adsorption box, each unit is provided with electroheat pair, prison
Survey stable.
3. package printing industry VOCs emission-control equipments according to claim 1 and 2, it is characterised in that：Described is net
Change the emptying passage of the conformance with standard of concentration containing the VOCs requirement that emptying pipeline system adsorption box overflows, purified gas floss hole is provided with
VOCs concentration detectors, when concentration reaches setting value, adsorption desorption unit is switched over.
4. package printing industry VOCs emission-control equipments according to claim 1, it is characterised in that：Described gas collection is total
Organic exhaust gas centralized collection that pipe discharges headend equipment is simultaneously dispensed into adsorption box；Each waste gas inlet is each equipped with a pair
Switching valve in parallel, emptying switching valve is normally opened, and air inlet switching valve is normally closed；When a certain air inlet operates line, emptying is cut
Change valve closing, air inlet switching valve to open；When operating offline, emptying switching valve is opened, air inlet switching valve is closed.
5. package printing industry VOCs emission-control equipments according to claim 4, it is characterised in that：Described gas collection is total
Pipe arranges centrifugal blower and provides power for organic exhaust gas, makes adsorption layer that waste gas passed through in adsorption box and purifies emptying；Centrifugation wind
Machine suction side is provided with pressure transmitter for determining pipe negative pressure value, as pressure P≤- 100Pa, centrifugal blower reduction of speed.
6. package printing industry VOCs emission-control equipments according to claim 2, it is characterised in that：Described adsorption box
Spark arrester and explosion-proof valve are set, and spark arrester baffle system accident flare is returned between bunching, when explosion-proof valve transfinites for system running pressure
Release.
7. package printing industry VOCs emission-control equipments according to claim 1 and 2, it is characterised in that：Described oxygen
Change the main place of room system VOCs pyrolysis oxidizations, at high temperature, VOCs produces flameless combustion and generates CO cavity2And H2O；Oxidizing chamber
Electroheat pair detection temperature is provided with, when temperature over-range, makes combustion system reduce fuel input, failed within the setting time limit full
When foot is required, bypass pipe leads to the valve of chimney and opens, and allows flue gas directly to empty, when the operating pressure of combustor transfinites,
Venting of dust explosion lid above combustor opens pressure release, it is ensured that safety.
8. package printing industry VOCs emission-control equipments according to claim 1 and 2, it is characterised in that：Described
One heat exchanger is used for the recovery of fume waste heat and configures, and the heat exchanger completes the first order waste gas recovery of flue gas, having for concentration
Machine heating by the exhaust gases to 350 °C to 400 °C；Second heat exchanger is configured, the heat exchanger in order to the second level of fume waste heat is reclaimed
Purified gas are preheating to 150 °C to 180 °C, the hot blast as desorption is formed.
9. package printing industry VOCs emission-control equipments according to claim 8, it is characterised in that：Described first is changed
Hot device and the second heat exchanger are respectively provided with the first regulating valve and the second regulating valve, by the regulation of two regulating valves, make the first heat exchange
Concentration organic exhaust gas and desorption hot blast that device and the second heat exchanger are exported at a temperature of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005262.8U CN206168167U (en) | 2016-08-31 | 2016-08-31 | Package printing industry VOCs process exhaust's treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005262.8U CN206168167U (en) | 2016-08-31 | 2016-08-31 | Package printing industry VOCs process exhaust's treatment facility |
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| CN206168167U true CN206168167U (en) | 2017-05-17 |
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| CN201621005262.8U Active CN206168167U (en) | 2016-08-31 | 2016-08-31 | Package printing industry VOCs process exhaust's treatment facility |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310264A (en) * | 2017-06-22 | 2017-11-03 | 广州黑马科技有限公司 | A kind of multicolour press air circulation system |
| CN107931297A (en) * | 2017-12-20 | 2018-04-20 | 西安昱昌环境科技有限公司 | A kind of VOCs processing equipments for printing machine |
| CN108815996A (en) * | 2018-07-02 | 2018-11-16 | 江苏三美化工有限公司 | A kind of hydrofluorocarbon exhaust treatment system and its application method |
| CN109795234A (en) * | 2017-11-17 | 2019-05-24 | 江苏大亚印务有限公司 | Gravure cigarette packet reduces the remaining method of volatile organic matter |
| CN110538542A (en) * | 2019-08-24 | 2019-12-06 | 杭州永杰研磨材料有限公司 | RTO exhaust treatment system |
| CN115445376A (en) * | 2022-10-19 | 2022-12-09 | 艾德旺斯环保科技南通有限公司 | Activated carbon catalytic combustion exhaust gas purification device and method thereof |
-
2016
- 2016-08-31 CN CN201621005262.8U patent/CN206168167U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310264A (en) * | 2017-06-22 | 2017-11-03 | 广州黑马科技有限公司 | A kind of multicolour press air circulation system |
| CN109795234A (en) * | 2017-11-17 | 2019-05-24 | 江苏大亚印务有限公司 | Gravure cigarette packet reduces the remaining method of volatile organic matter |
| CN107931297A (en) * | 2017-12-20 | 2018-04-20 | 西安昱昌环境科技有限公司 | A kind of VOCs processing equipments for printing machine |
| CN107931297B (en) * | 2017-12-20 | 2023-12-22 | 西安昱昌环境科技有限公司 | VOCs treatment equipment for printing machine |
| CN108815996A (en) * | 2018-07-02 | 2018-11-16 | 江苏三美化工有限公司 | A kind of hydrofluorocarbon exhaust treatment system and its application method |
| CN110538542A (en) * | 2019-08-24 | 2019-12-06 | 杭州永杰研磨材料有限公司 | RTO exhaust treatment system |
| CN115445376A (en) * | 2022-10-19 | 2022-12-09 | 艾德旺斯环保科技南通有限公司 | Activated carbon catalytic combustion exhaust gas purification device and method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 515000 Guangdong province Shantou Jinping Jinyuan Industrial City six area Chaoshan Road Patentee after: Guangdong Zhang Shan light industry Limited by Share Ltd Address before: 515000 Guangdong province Shantou Jinping Jinyuan Industrial City six area Chaoshan Road Patentee before: GUANGDONG SHANZHANG LIGHT INDUSTRIAL MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 515071 east side of C03 unit of Nanshan Bay Industrial Park, Haojiang District, Shantou, Guangdong Patentee after: Guangdong Zhang Shan light industry Limited by Share Ltd Address before: 515000 six districts of Jinyuan Industrial Town, Chaoshan Road, Jinping District, Shantou, Guangdong Patentee before: Guangdong Zhang Shan light industry Limited by Share Ltd |
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| CP02 | Change in the address of a patent holder |