CN209612558U

CN209612558U - A kind of VOC waste gas pollution control and treatment equipment

Info

Publication number: CN209612558U
Application number: CN201821985903.XU
Authority: CN
Inventors: 王文亮
Original assignee: Shenzhen Oudar Environmental Protection Technology Co Ltd
Current assignee: Shenzhen Oudar Environmental Protection Technology Co Ltd
Priority date: 2018-11-29
Filing date: 2018-11-29
Publication date: 2019-11-12
Anticipated expiration: 2028-11-29

Abstract

The utility model discloses a kind of VOC waste gas pollution control and treatment equipment, including countercurrent spray tower, ultraviolet photolysis equipment, activated carbon adsorption case, centrifugal blower, the tower body of the countercurrent spray tower is coupled up and down by several cylinders, at least two layers of packing layer is equipped in the tower body, spray tube is equipped with above each packing layer, several spray nozzles are installed on the spray tube, the spray tube connects the water outlet of circulating pump by pipeline, the tower body bottom is equipped with the storehouse that is filled with water, the storehouse bottom side that is filled with water is equipped with cycle bleeder mouth, the water inlet of the cycle bleeder mouth connection circulating pump, the tower body bottom right side is equipped with moisturizing storehouse, the moisturizing storehouse is connected to the storehouse that is filled with water, the moisturizing storehouse is also connected with cyclic water tank；It is equipped in the cyclic water tank by measuring in the cyclic water tank based on the PH of pH value；The utility model proposes a kind of VOC waste gas pollution control and treatment equipment, the generation of wall flow phenomenon can be not only reduced, but also can guarantee the clean-up effect of exhaust gas.

Description

A kind of VOC waste gas pollution control and treatment equipment

Technical field

The utility model relates to arrive field of mechanical technique more particularly to a kind of VOC waste gas pollution control and treatment equipment.

Background technique

A large amount of VOC exhaust gas can be generated in the production of 3D glass, and VOCs Treatment process system is complicated, is related to ten several skills Regularity cognition is lacked to the technology scope of application, use condition in art and combination technique, especially environmental protection industry (epi), to technological design and The problems such as purification equipment Design deposits larger randomness.

VOC exhaust-gas treatment contains heat damage method, active carbon adsorption, condensation method, membrane separation technique, thermal oxidation method, biology Method etc., wherein most equipment cost is high, complicated for operation, is not suitable for large-scale promotion.

Therefore, the prior art is defective and insufficient, needs to improve.

Utility model content

In view of this, can both reduce the hair of wall flow phenomenon the utility model proposes a kind of VOC waste gas pollution control and treatment equipment It is raw, and can guarantee the clean-up effect of exhaust gas.

The technical solution of the utility model is as follows:

A kind of VOC waste gas pollution control and treatment equipment, including countercurrent spray tower, ultraviolet photolysis equipment, activated carbon adsorption case, centrifugation wind Machine, the tower body of the countercurrent spray tower are coupled up and down by several cylinders, and at least two layers of filler is equipped in the tower body Layer, each packing layer top are equipped with spray tube, several spray nozzles are equipped on the spray tube, the spray tube passes through Pipeline connects the water outlet of circulating pump, and the tower body bottom is equipped with the storehouse that is filled with water, and the storehouse bottom side that is filled with water is equipped with cycle bleeder Mouthful, the water inlet of the cycle bleeder mouth connection circulating pump, the tower body bottom right side is equipped with moisturizing storehouse, the moisturizing storehouse and institute The storehouse connection that is filled with water is stated, the moisturizing storehouse is also connected with cyclic water tank；It is equipped in the cyclic water tank for measuring the cyclic water tank The PH of interior pH value is counted；

Packing layer includes packing support plate, filler and hold-down grid, and filler, the top peace of filler are placed on packing support plate Hold-down grid is filled, is blown to prevent being raised air-flow；The filler is placed in packing box, and the packing box is located at the filler branch Between fagging and the hold-down grid, the hold-down grid edge is equipped with oblique flow plate, and the length of the oblique flow plate is greater than or equal to The packing box to the tower body inner wall distance, height between the oblique flow plate and horizontal direction be less than the oblique flow plate from Length on one side to far from the hold-down grid while close to the hold-down grid.

Further, the air inlet of the countercurrent spray tower connects house exhaust collection device, the adverse current by air inlet pipe One end of the gas outlet connection exhaust pipe of spray column, the other end of the exhaust pipe pass through the air inlet of connector and centrifugal blower Connection, the gas outlet of the centrifugal blower connect the air inlet of ultraviolet photolysis device, the ultraviolet photolysis device by escape pipe Gas outlet connection activated carbon adsorption facility air inlet, the gas outlet of the activated carbon adsorption facility is equipped with outlet tower, described It is equipped with rainhat above the discharge outlet of outlet column overhead, is equipped with thief hatch, the sampling in the middle part of the outlet tower below discharge outlet Mouth connecting detection platform.

Further, the intracorporal top of the tower is additionally provided with gas-water separation layer, and the gas-water separation layer includes moisture trap, The moisture trap is fixed on the top of packing layer；The moisture trap uses folded plate type moisture trap or combined type gas Separator.

Further, anti-wall flow circle is equipped with above packing layer, the anti-wall flow circle includes disk, and the middle of the disc is equipped with logical Air port is equipped with water fender around the ventilation opening, and the disk is equipped with several protrusions, and the protrusion is by two inclined plate groups At, the top of two inclined plates is connected, and the side of the lower part connection drip of inclined plate, the both ends of drip are respectively at the water conservancy diversion Plate is connected with the water fender, and the drip is equipped with the circular hole of several rules or irregular alignment, close to the water conservancy diversion The Circularhole diameter of plate one end is greater than or equal to the Circularhole diameter close to the water fender, and setting in this way can make in tower body inner wall Liquid uniformly instills lower section packing layer from weather board along the circular hole of drip, and gas is from ventilation opening upwards and above inflow Packing layer in liquid combine, to absorb the impurity in gas.

Further, the deflector is equipped with several diversion trenches, and the bottom of the diversion trench and the drip are close One end of the deflector connects.

Further, medicine-adding bin for storing acid solution or aqueous slkali is additionally provided with above the cyclic water tank and for controlling The Automatic Dosing of dosing dosage pumps, and the outlet of the medicine-adding bin connects the import of the Automatic Dosing pump, the Automatic Dosing pump Outlet connect the dosing mouth of the cyclic water tank, the acid-base solution being stored in medicine-adding bin is passed through from the outlet of the medicine-adding bin Enter in the cyclic water tank under the promotion of Automatic Dosing pump.

Further, the bottom of be filled with water orlop portion and the cyclic water tank is equipped with the discharge of wastewater mouth for waste discharge, institute Discharge of wastewater mouth is stated equipped with switch valve, after opening the switch valve, waste water flows into waste water station by the discharge of wastewater mouth and adjusts Pond.

Further, the connector is elastomeric joint or canvas.

The utility model has the advantages that compared with prior art, the utility model in use, by increasing anti-wall flow in packing layer Circle and oblique flow plate, can effectively reduce the generation of wall flow phenomenon, liquid is made to be evenly distributed in packing layer, improve gas and liquid Mass-transfer efficiency filters out the impurity in gas, improves the detergent power of countercurrent spray tower.

Detailed description of the invention

Illustrate embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment or the prior art The required attached drawing used is briefly described in description, it is clear that, the accompanying drawings in the following description is only the one of utility model A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these Attached drawing obtains other attached drawings.

Fig. 1 is the VOC emission control technology flow chart of the utility model.

Specific embodiment

For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different Form is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this The understanding of the disclosure of utility model is more thorough and comprehensive.

As shown in Figure 1, a kind of VOC waste gas pollution control and treatment equipment, including countercurrent spray tower, ultraviolet photolysis equipment, activated carbon adsorption Case, centrifugal blower, the tower body of the countercurrent spray tower are coupled up and down by several cylinders, are equipped at least in the tower body Two layers of packing layer, each packing layer top are equipped with spray tube, several spray nozzles, the spray are equipped on the spray tube Shower pipe connects the water outlet of circulating pump by pipeline, and the tower body bottom is equipped with the storehouse that is filled with water, and the storehouse bottom side that is filled with water is equipped with Cycle bleeder mouth, the water inlet of the cycle bleeder mouth connection circulating pump, the tower body bottom right side are equipped with moisturizing storehouse, the benefit Sump is connected to the storehouse that is filled with water, and the moisturizing storehouse is also connected with cyclic water tank；It is equipped in the cyclic water tank described for measuring The PH meter of pH value in cyclic water tank；

Packing layer includes packing support plate, filler and hold-down grid, and filler, the top peace of filler are placed on packing support plate Hold-down grid is filled, is blown to prevent being raised air-flow；The filler is placed in packing box, and the packing box is located at the filler branch Between fagging and the hold-down grid, the hold-down grid edge is equipped with oblique flow plate, and the length of the oblique flow plate is greater than or equal to The packing box to the tower body inner wall distance, height between the oblique flow plate and horizontal direction be less than the oblique flow plate from Length on one side to far from the hold-down grid while close to the hold-down grid, being arranged in this way is to further prevent wall stream The generation of phenomenon.

Further, the air inlet of the countercurrent spray tower connects house exhaust collection device, the adverse current by air inlet pipe One end of the gas outlet connection exhaust pipe of spray column, the other end of the exhaust pipe pass through the air inlet of connector and centrifugal blower Connection, the gas outlet of the centrifugal blower connect the air inlet of ultraviolet photolysis device, the ultraviolet photolysis device by escape pipe Gas outlet connection activated carbon adsorption facility air inlet, the gas outlet of the activated carbon adsorption facility is equipped with outlet tower, described It is equipped with rainhat above the discharge outlet of outlet column overhead, is equipped with thief hatch, the sampling in the middle part of the outlet tower below discharge outlet Mouth connecting detection platform；

Further, the connector is elastomeric joint or canvas.

Further, the activated carbon adsorption case includes support frame and the cabinet that is placed on support frame as described above, the cabinet Side panel is equipped with several groups cabinet door, and the bottom of box is equipped with support leg, and the box house is equipped with braced frame, described Braced frame is divided into several placement positions, is equipped with active carbon drawer in each placement position, the placement position includes horizontal steel Plate, top plate, left riser and right riser, the left end of the horizontal steel plate and the lower end of left vertical version are fixed, the right end of the horizontal steel plate and The lower end of right vertical version is fixed, and the upper end of the left riser is fixedly connected with the left end of the top plate, the upper end of the right riser with The right end of the top plate is fixedly connected, on the right side of the left riser lower part and the right riser lower left side be all provided with it is fluted, it is described The lower part of active carbon drawer is flexibly connected with the groove, in this way, active carbon drawer can be made to extract out from placement position, is convenient for Replace active carbon；It is equipped with pulley in the further groove, the pulley is fixedly connected with the active carbon drawer.

In the present embodiment, mass transfer apparatus of the packing layer as contact member between gas-liquid two-phase in spray column, filler tower bottom Equipped with packing support plate, filler is placed on the supporting plate, and hold-down grid is installed in the top of filler, is blown to prevent being raised air-flow, Spray column spray liquid is sprayed through liquid distribution trough onto filler from tower top, and is flowed down along filler surface, and gas is sent into from tower bottom, warp After distribution device in gas-fluid distribution, the gap of packing layer is continued through in adverse current with liquid, in filler surface, gas-liquid two-phase is close Contact carries out mass transfer, and when liquid flows downward along packing layer, it sometimes appear that wall flow phenomenon, wall stream effect causes gas-liquid two-phase It is unevenly distributed in packing layer, so that mass-transfer efficiency be made to decline, therefore, by being equipped with anti-wall flow circle above packing layer, reduces The generation of wall flow phenomenon, the packing layer in spray column are divided into two sections, and setting apparatus for redistributing in centre is sprayed after redistributing and arrived On lower layer's filler, and packing support plate, packing box and hold-down grid are set in packing layer, can be good at placing filler, make to fill out Material is uniformly laid on packing box, and upward inclined plate is arranged in the hold-down grid edge above packing box, flows liquid into down Square filler further increases the effect of anti-wall flow；Then gas is discharged from gas outlet above washing tower body, and in centrifugal blower Effect is lower to enter ultraviolet photolysis facility, the ultraviolet germicidal lamp that can issue ultraviolet light is equipped in ultraviolet photolysis equipment, ultraviolet Cracking is generated under the irradiation of Line beam, and the molecular link of the voc such as the ammonia contained in exhaust gas, benzene is interrupted, it is small to become pollutant Molecule is broken into strand, while the oxygen molecule in ultraviolet light degradation air generates free oxygen, not because of free oxygen positron-electron Balance is so ozone need to be generated in conjunction with oxygen molecule, at this point, the pollutant small molecule of free state and ozone oxidation are combined into nothing The compound of harmful or low evil can also increase high energy anion generator such as carbon dioxide and water, release a large amount of anions with The various pellets that can be settled in exhaust gas, micronic dust, flue dust, scurf, solid sulfide, solid-state carbide combine, into one Step improves catharsis；Activated carbon adsorption facility is discharged by exhaust duct again, the absorption through activated carbon adsorption facility is net It obtains that purification gas can be discharged after change, and is discharged from outlet tower, active carbon therein can use air cleaning active carbon, horizontal Steel plate, top plate, left riser and right riser are all made of porous plate, and thief hatch is equipped in the middle part of outlet tower and is provided with detection platform, is used In the index containing pollutant in detection discharge gas.

Compared with prior art, the utility model in use, by increasing anti-wall flow circle and oblique flow in packing layer Plate can effectively reduce the generation of wall flow phenomenon, liquid is made to be evenly distributed in packing layer, improve gas and liquid mass transfer is imitated Rate filters out the impurity in gas, improves the detergent power of countercurrent spray tower；It is recessed by disposing position to be arranged in activated carbon adsorption case Slot enables the activity extraction of active carbon drawer, is conveniently replaceable absorbent charcoal material.

It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed, It is accordingly to be regarded as the range of the utility model specification record；Also, it for those of ordinary skills, can be according to above stating It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model It encloses.

Claims

1. a kind of VOC waste gas pollution control and treatment equipment, including countercurrent spray tower, ultraviolet photolysis equipment, activated carbon adsorption case, blower, special Sign is that the tower body of the countercurrent spray tower is coupled up and down by several cylinders, is equipped at least two layers in the tower body Packing layer, each packing layer top are equipped with spray tube, several spray nozzles, the spray tube are equipped on the spray tube The water outlet of circulating pump is connected by pipeline, the tower body bottom is equipped with the storehouse that is filled with water, and the storehouse bottom side that is filled with water is equipped with circulation Discharge outlet, the water inlet of the cycle bleeder mouth connection circulating pump, the tower body bottom right side are equipped with moisturizing storehouse, the moisturizing storehouse It is connected to the storehouse that is filled with water, the moisturizing storehouse is also connected with cyclic water tank；It is equipped in the cyclic water tank for measuring the circulation The PH meter of pH value in water tank；

Packing layer includes packing support plate, filler and hold-down grid, and filler is placed on packing support plate, and the top installation of filler is filled out Expect pressing plate, is blown to prevent being raised air-flow；The filler is placed in packing box, and the packing box is located at the packing support plate Between the hold-down grid, the hold-down grid edge is equipped with oblique flow plate, and the length of the oblique flow plate is greater than or equal to described For packing box to the distance of the tower body inner wall, height between the oblique flow plate and horizontal direction is less than the oblique flow plate from close The hold-down grid s length on one side to far from the hold-down grid while.

2. a kind of VOC waste gas pollution control and treatment equipment according to claim 1, it is characterised in that: the air inlet of the countercurrent spray tower Mouth connects house exhaust collection device by air inlet pipe, and one end of the gas outlet connection exhaust pipe of the countercurrent spray tower is described The other end of exhaust pipe is connected by the air inlet of connector and blower, and the gas outlet of the blower is connected ultraviolet by escape pipe The air inlet of photodissociation device, the air inlet of the gas outlet connection activated carbon adsorption case of the ultraviolet photolysis device, the active carbon The gas outlet of adsorption box is equipped with outlet tower, and rainhat, the outlet tower middle part are equipped with above the discharge outlet of the outlet column overhead Thief hatch, the thief hatch connecting detection platform are equipped with below discharge outlet.

3. a kind of VOC waste gas pollution control and treatment equipment according to claim 1, it is characterised in that: the intracorporal top of tower is also set There is gas-water separation layer, the gas-water separation layer includes moisture trap, and the moisture trap is fixed on the top of packing layer；Institute Moisture trap is stated using folded plate type moisture trap or combined type moisture trap.

4. a kind of VOC waste gas pollution control and treatment equipment according to claim 1, it is characterised in that: be equipped with anti-wall flow above packing layer Circle, the anti-wall flow circle includes disk, and the middle of the disc is equipped with ventilation opening, and water fender is equipped with around the ventilation opening, described Disk is equipped with several protrusions, what the protrusion was made of two inclined plates, and the top of two inclined plates is connected, and the lower part of inclined plate connects The side of drip is connect, the both ends of drip are connected respectively at deflector with the water fender, and the drip is equipped with several A rule or the circular hole of irregular alignment, the Circularhole diameter close to described deflector one end are greater than or equal to close to the water fender Circularhole diameter, setting in this way can make liquid in tower body inner wall, and the circular hole from weather board along drip uniformly instills Lower section packing layer, gas from ventilation opening upwards in the packing layer for flowing into top in conjunction with liquid, to absorb the impurity in gas.

5. a kind of VOC waste gas pollution control and treatment equipment according to claim 4, it is characterised in that: the deflector is equipped with several A diversion trench, the bottom of the diversion trench are connect with the drip close to one end of the deflector.

6. a kind of VOC waste gas pollution control and treatment equipment according to claim 1, it is characterised in that: also set above the cyclic water tank There are the medicine-adding bin for storing acid solution or aqueous slkali and the pump of the Automatic Dosing for controlling dosing dosage, the medicine-adding bin goes out Mouth connects the import of the Automatic Dosing pump, the dosing mouth of the outlet connection cyclic water tank of the Automatic Dosing pump, storage Acid-base solution in medicine-adding bin enters the cyclic water tank under the promotion that the outlet of the medicine-adding bin is pumped through Automatic Dosing It is interior.

7. a kind of VOC waste gas pollution control and treatment equipment according to claim 1, it is characterised in that: orlop portion and the circulation of being filled with water The bottom of water tank is equipped with the discharge of wastewater mouth for waste discharge, and the discharge of wastewater mouth is equipped with switch valve, opens the switch After valve, waste water flows into waste water station conditioning tank by the discharge of wastewater mouth.

8. a kind of VOC waste gas pollution control and treatment equipment according to claim 2, it is characterised in that: the connector is elastomeric joint Or canvas.