CN207462976U - A kind of VOC waste gas purification apparatuses for having three to recirculate - Google Patents
A kind of VOC waste gas purification apparatuses for having three to recirculate Download PDFInfo
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- CN207462976U CN207462976U CN201721381364.4U CN201721381364U CN207462976U CN 207462976 U CN207462976 U CN 207462976U CN 201721381364 U CN201721381364 U CN 201721381364U CN 207462976 U CN207462976 U CN 207462976U
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Abstract
The utility model is a kind of VOC waste gas purification apparatuses for having three to recirculate, including purifying column, purification column overhead and bottom of towe are respectively equipped with gas vent and waste, purifying column is equipped with spray piping successively from top to bottom, adsorbent equipment and demister, adsorbent equipment is connected with desorption apparatus by pipeline and conveying pump circulation, the VOC exhaust gas entrances of purifying column are connected with VOC exhaust gas and are passed through pipeline, gas vent is connected with gas discharge pipe line, gas discharge pipe line is equipped with the control valve of VOC exhaust gas on-line measuring device and threeway branch line, VOC exhaust gas on-line measuring devices, PLC controller is equipped between control valve, it purifies tower bottom and is equipped with spray liquid purifier, spray liquid purifier is connected with spray liquid recovery line.The utility model can carry out VOC exhaust gas dual purified treatment, and spray liquid recycles, adsorption particle recycles；On-line checking is carried out to purified gas, ensure that the effect of purification.
Description
Technical field
The utility model is related to volatile organic compounds purified treatment field more particularly to a kind of have three to recirculate
VOC waste gas purification apparatuses.
Background technology
VOC is volatile organic compounds, they are mainly derived from the exhaust gas that petroleum chemical industry is discharged, flexible package print
Brush, pesticide, medicine intermediate, vehicle spray painting, electronics, machinery, shoemaking, synthetic leather, synthetic fibers, plastics, papermaking, paint, painting
What all conglomeraties such as material, ceramics, mining and weaving were discharged, this not only endangers shop worker and the body of the surrounding people is good for
Health, causes the pollution of atmospheric environment, and causes the loss and waste of resource.Volatile organic matter is the precursor to form PM2.5
Object, as the frequent generation of current haze hazard weather, scarcity of resources, economic competition are increasingly fierce, volatile organic waste gas is dirty
Dye is administered and the implementation of the clean manufacturing of relevant industries is imperative.
At present, it administers in the equipment of VOC exhaust gas and is largely absorbed using spray equipment, the spray liquid after absorption is most
Direct emission.In addition, by spray-absorption treated gas by detection with regard to direct emission, it is possible to because of spray liquid
Absorption does not exclusively reach emission request, and the effect handled in this way can not ensure.
Invention content
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of VOC waste gas purifications for having three to recirculate
Device.
The utility model to achieve the above object, using following technical scheme：
A kind of VOC waste gas purification apparatuses for having three to recirculate, including purifying column, the purification column overhead and bottom of towe difference
Equipped with gas vent and waste, the purifying column is equipped with spray piping, adsorbent equipment and demister successively from top to bottom,
Multiple nozzles are equipped with below the spray piping, the spray piping is connected with spray liquid storage tank by conveyance conduit and delivery pump,
Adsorption particle is filled in the adsorbent equipment, the outlet of the adsorbent equipment is connected with entrance by pipeline with conveying pump circulation
There is desorption apparatus, the tower body of the purifying column is equipped with VOC exhaust gas entrances, and the VOC exhaust gas entrances are located at the spray piping
Lower section, the VOC exhaust gas entrances are connected with VOC exhaust gas and are passed through pipeline, and the gas vent is connected with gas discharge pipe line, the gas
VOC exhaust gas on-line measuring device and threeway branch line are equipped on discharge pipe successively, control is equipped at the threeway branch line
Valve processed, is equipped with PLC controller between the VOC exhaust gas on-line measuring device, control valve, the threeway branch line includes qualification
Gas discharge pipe line and unqualified gas recovery pipe line, unqualified gas recovery pipe line are passed through pipeline with VOC exhaust gas and are connected,
Bottom side is equipped with spray liquid purifier in the purifying column, and the spray liquid purifier is connected with spray liquid recovery line,
The spray liquid recovery line is connected by delivery pump with spraying the conveyance conduit of liquid storage tank.
The adsorbent equipment includes the inclined bed of multiple tracks arranged up and down, and adjacent bed is end to end, the bed
In fill up the adsorption particle to flow downward by its own gravity, the outlet of bottom bed and the entrance of the top bed pass through pipe
Road and delivery pump are connected with desorption apparatus cycle.
The desorption apparatus is microwave generator or infrared emittance.
The spray liquid purifier includes top plate and side plate, and the top plate is fixed on the madial wall of the purifying column,
The top plate and side plate, which surround, is provided with horizontal cleaned filter plate, the spray in the space of a lower ending opening and the space
The water inlet end of leaching liquid recovery line is connected with the space that top plate and side plate surround, and junction is located above cleaned filter plate.
The top plate tilts down 30-60 ° of arrangement, and one end that the top plate is connected with the purifying column is higher for position
One end.
The acceptable gas discharge pipe is connected with gas drier.
The PLC controller used in the process is the ControlLogix series or resistance to apply of Rockwell Automation
The Modicon series of moral.
The beneficial effects of the utility model are：The utility model can carry out VOC exhaust gas spray-absorption, adsorption particle is inhaled
Attached dual purified treatment, spray liquid recycles, adsorption particle recycles, and reaches energy-efficient purpose；It simultaneously can be to net
Gas after change carries out on-line checking, ensure that the effect of purification.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
In figure：1- purifying columns；2- gas vents；3- wastes；4- spray pipings；5- adsorbent equipments；6- demisters；
7- nozzles；8- sprays liquid storage tank；9- adsorption particles；10- desorption apparatus；11-VOC exhaust gas entrances；12-VOC exhaust gas is passed through pipeline；
13- gas discharge pipe lines；14-VOC exhaust gas on-line measuring devices；15- gas driers；16- control valves；17-PLC is controlled
Device；18- acceptable gas discharge pipes；The unqualified gas recovery pipe lines of 19-；20- spray liquid recovery lines；The cleaned filter plates of 21-；
It is described in detail below with reference to the embodiment of the utility model with reference to attached drawing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, a kind of VOC waste gas purification apparatuses for having three to recirculate, including purifying column 1,1 tower of purifying column
Top and bottom of towe are respectively equipped with gas vent 2 and waste 3, and the purifying column 1 is equipped with spray piping 4, inhales successively from top to bottom
Adsorption device 5 and demister 6,4 lower section of the spray piping are equipped with multiple nozzles 7, the spray piping 4 by conveyance conduit and
Delivery pump is connected with spray liquid storage tank 8, is filled with adsorption particle 9 in the adsorbent equipment 5, the outlet of the adsorbent equipment 5 and enters
Mouth is connected with desorption apparatus 10 by pipeline and conveying pump circulation, and the tower body of the purifying column 1 is equipped with VOC exhaust gas entrances 11,
The VOC exhaust gas entrances 11 are located at 4 lower section of spray piping, and the VOC exhaust gas entrances 11 are connected with VOC exhaust gas and are passed through pipeline
12, the gas vent 2 is connected with gas discharge pipe line 13, is examined online equipped with VOC exhaust gas successively in the gas discharge pipe line 13
Device 14 and threeway branch line are surveyed, control valve 16, the VOC exhaust gas on-line measuring device are equipped at the threeway branch line
14th, PLC controller 17 is equipped between control valve 16, the threeway branch line includes acceptable gas discharge pipe 18 and do not conform to
Lattice gas recovery pipe line 19, unqualified gas recovery pipe line 19 is passed through pipeline 12 with VOC exhaust gas and is connected, in the purifying column 1
Bottom side is equipped with spray liquid purifier, and the spray liquid purifier is connected with spray liquid recovery line 20, the spray liquid
Recovery line 20 is connected by delivery pump with spraying the conveyance conduit of liquid storage tank 8.
The adsorbent equipment 5 includes the inclined bed of multiple tracks arranged up and down, and adjacent bed is end to end, the bed
In fill up the adsorption particle 9 to flow downward by its own gravity, the outlet of bottom bed and the entrance of the top bed pass through
Pipeline and delivery pump are connected with the cycle of desorption apparatus 10.
The desorption apparatus 10 is microwave generator or infrared emittance.
The spray liquid purifier includes top plate and side plate, and the top plate is fixed on the madial wall of the purifying column 1,
The top plate and side plate surround and horizontal cleaned filter plate 21 are provided in the space of a lower ending opening and the space, described
The water inlet end of spray liquid recovery line 20 is connected with the space that top plate and side plate surround, and junction is located on cleaned filter plate 21
Side.
The top plate tilts down 30-60 ° of arrangement, one end that the top plate is connected with the purifying column 1 for position compared with
High one end.
The acceptable gas discharge pipe 18 is connected with gas drier 15.
The PLC controller 17 used in the process is the ControlLogix series of Rockwell Automation or is to apply
The Modicon series of resistance to moral.
The process of utility model works is as follows：VOC exhaust gas enters from VOC exhaust gas entrances 11 in purifying column 1, spray liquid storage
Spray liquid in tank 8 is transported to by delivery pump in spray piping 4, and under the spray of nozzle 7, absorption processing is carried out to VOC exhaust gas, is handled
Waste liquid afterwards falls on bottom of towe, after being purified via the cleaned filter plate 21 in the spray liquid purifier of bottom of towe, is recycled by spray liquid
Pipeline 20 is returned in spray piping 4 and is re-used；Gas continues to rise, and is carried out by the adsorption particle 9 in adsorbent equipment 5 secondary
Purification, adsorption particle 9 moves down under the effect of gravity, and by pipeline and delivery pump be transported in desorption apparatus 10 into
Row desorption, recycles；Treated, and gas enters gas outlet pipe after demister 6 removes most moisture
Line 13, the VOC exhaust gas on-line measuring device 14 in gas discharge pipe line 13 are detected gas, if concentration reaches discharge mark
Standard, PLC controller 17 controls control valve 16 to open acceptable gas discharge pipe 18, if concentration does not reach discharge standard, PLC
Controller 17 controls control valve 16 to open unqualified gas recovery pipe line 19, and unqualified gas is returned in purifying column 1 and continued with.
The utility model can carry out VOC exhaust gas dual purified treatment, and spray liquid recycles, adsorption particle 9 follows
Ring utilizes, and reaches energy-efficient purpose；On-line checking can be carried out to purified gas simultaneously, ensure that the effect of purification.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if employ the utility model methodology and technical solution carry out various improvement or without
Improvement directly applies to other occasions, is within the protection scope of the utility model.
Claims (6)
1. a kind of VOC waste gas purification apparatuses for having three to recirculate, including purifying column (1), purifying column (1) tower top and bottom of towe
It is respectively equipped with gas vent (2) and waste (3), which is characterized in that the purifying column (1) is equipped with spray successively from top to bottom
Pipeline (4), adsorbent equipment (5) and demister (6), spray piping (4) lower section are equipped with multiple nozzles (7), the spray
Pipeline (4) is connected with spray liquid storage tank (8) by conveyance conduit and delivery pump, and adsorption particle is filled in the adsorbent equipment (5)
(9), the outlet of the adsorbent equipment (5) and entrance are connected with desorption apparatus (10) by pipeline and conveying pump circulation, described net
The tower body for changing tower (1) is equipped with VOC exhaust gas entrances (11), and the VOC exhaust gas entrances (11) are under the spray piping (4)
Side, the VOC exhaust gas entrances (11) are connected with VOC exhaust gas and are passed through pipeline (12), and the gas vent (2) is connected with gas discharge pipe line
(13), VOC exhaust gas on-line measuring device (14) and threeway branch line are equipped on the gas discharge pipe line (13) successively, it is described
Control valve (16) is equipped at threeway branch line, the VOC exhaust gas on-line measuring device (14), control valve are equipped between (16)
PLC controller (17), the threeway branch line include acceptable gas discharge pipe (18) and unqualified gas recovery pipe line
(19), unqualified gas recovery pipe line (19) is passed through pipeline (12) with VOC exhaust gas and is connected, the interior bottom one of purifying column (1)
Side is equipped with spray liquid purifier, and the spray liquid purifier is connected with spray liquid recovery line (20), the spray liquid recycling
Pipeline (20) is connected by delivery pump with the conveyance conduit of spray liquid storage tank (8).
A kind of 2. VOC waste gas purification apparatuses for having three to recirculate according to claim 1, which is characterized in that the suction
Adsorption device (5) includes the inclined bed of multiple tracks arranged up and down, and adjacent bed is end to end, is filled up in the bed by certainly
The adsorption particle (9) that body gravity flows downward, the outlet of bottom bed and the entrance of the top bed pass through pipeline and conveying
Pump is connected with desorption apparatus (10) cycle.
3. a kind of VOC waste gas purification apparatuses for having three to recirculate according to claim 2, which is characterized in that described de-
Adsorption device (10) is microwave generator or infrared emittance.
A kind of 4. VOC waste gas purification apparatuses for having three to recirculate according to claim 3, which is characterized in that the spray
It drenches liquid purifier and includes top plate and side plate, the top plate is fixed on the madial wall of the purifying column (1), the top plate and side
Plate surrounds and horizontal cleaned filter plate (21) is provided in the space of a lower ending opening and the space, the spray liquid recycling
The water inlet end of pipeline (20) is connected with the space that top plate and side plate surround, and junction is located above cleaned filter plate (21).
A kind of 5. VOC waste gas purification apparatuses for having three to recirculate according to claim 4, which is characterized in that the top
Plate tilts down 30-60 ° of arrangement, one end that the top plate is connected with the purifying column (1) one end higher for position.
A kind of 6. VOC waste gas purification apparatuses for having three to recirculate according to claim 5, which is characterized in that the conjunction
Lattice gas discharge pipe line (18) is connected with gas drier (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381364.4U CN207462976U (en) | 2017-10-25 | 2017-10-25 | A kind of VOC waste gas purification apparatuses for having three to recirculate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721381364.4U CN207462976U (en) | 2017-10-25 | 2017-10-25 | A kind of VOC waste gas purification apparatuses for having three to recirculate |
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| CN207462976U true CN207462976U (en) | 2018-06-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351123A (en) * | 2018-12-10 | 2019-02-19 | 佛山科学技术学院 | It is a kind of can on-line measurement VOC concentration VOC adsorption plant and its application method |
| CN109589745A (en) * | 2018-10-22 | 2019-04-09 | 南京大学环境规划设计研究院股份公司 | Can on-line measurement VOCs concentration VOCs adsorption plant |
| CN109925862A (en) * | 2018-12-25 | 2019-06-25 | 四川大学 | A kind of VOC exhaust treatment system and its processing method |
| CN112403188A (en) * | 2019-08-22 | 2021-02-26 | 安徽金叶碳素科技有限公司 | Multistage parallel activated carbon flue gas purification device |
| CN113546501A (en) * | 2021-07-08 | 2021-10-26 | 山东竣鸿环保科技有限公司 | High-quality fly ash production system and application thereof |
-
2017
- 2017-10-25 CN CN201721381364.4U patent/CN207462976U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109589745A (en) * | 2018-10-22 | 2019-04-09 | 南京大学环境规划设计研究院股份公司 | Can on-line measurement VOCs concentration VOCs adsorption plant |
| CN109589745B (en) * | 2018-10-22 | 2019-10-01 | 南京大学环境规划设计研究院股份公司 | Can on-line measurement VOCs concentration VOCs adsorption plant |
| CN109351123A (en) * | 2018-12-10 | 2019-02-19 | 佛山科学技术学院 | It is a kind of can on-line measurement VOC concentration VOC adsorption plant and its application method |
| CN109925862A (en) * | 2018-12-25 | 2019-06-25 | 四川大学 | A kind of VOC exhaust treatment system and its processing method |
| CN112403188A (en) * | 2019-08-22 | 2021-02-26 | 安徽金叶碳素科技有限公司 | Multistage parallel activated carbon flue gas purification device |
| CN113546501A (en) * | 2021-07-08 | 2021-10-26 | 山东竣鸿环保科技有限公司 | High-quality fly ash production system and application thereof |
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