CN219744416U - Curing waste gas treatment system - Google Patents

Abstract

The utility model discloses a curing waste gas treatment system, which comprises an exhaust fan, a spray tower, a demister, a purifier, an activated carbon adsorption bed and a high calandria; this processing system is through setting up exhaust fan, spray column, defroster, clarifier, active carbon adsorption bed, high calandria, and wherein utilize exhaust fan suction and carry the waste gas of curing oven, then cool down and get rid of the particulate matter through the spray column to waste gas, again loop through defroster, clarifier, active carbon adsorption bed to separate the water smoke that carries in the waste gas to waste gas in proper order, carry out UV photolysis purification, active carbon adsorption filtration, carry out the high altitude emission with waste gas through high calandria at last, make the purifying treatment effect of waste gas good.

Description

Curing waste gas treatment system

Technical Field

The utility model relates to the technical field of environmental protection, in particular to a curing waste gas treatment system.

Background

In the electrophoresis processing production of hardware, production procedures such as metal pretreatment, electrophoresis, solidification and the like are provided, wherein the waste gas generated in the electrophoresis solidification has larger peculiar smell and has larger influence on the surrounding environment, and the purification treatment is required for the electrophoresis solidification waste gas in order to protect the environment and reduce the influence of waste gas pollutants on the surrounding environment; the existing waste gas treatment system generally adopts various activated carbon devices to filter, so that the purification effect is poor. Publication number CN109745794A discloses an exhaust gas purifying chamber, and the upper front part of the bracket is provided with an air passage, and the left end of the air passage is provided with an exhaust hole. The bracket is internally divided into a gas purifying chamber and an exhaust gas chamber by a transverse partition board, the gas purifying chamber is divided into cuboid small blocks by a vertical partition board, and the upper part of each small block of gas purifying chamber is closed by a cover plate; the diaphragm plate is provided with round holes which are matched with the filter screen frame, and the filter screen frame is wrapped by the filter screen and inserted into the exhaust chamber through the round holes on the diaphragm plate; the front part of the diaphragm is provided with air holes, an air valve is arranged above the air holes at the front part of the diaphragm, and an air valve rod and an air valve cap are arranged at the upper part of the air valve; a pulse gas branch pipe is arranged above each group of filter screen frames in the air purifying chamber, an air injection hole is formed in each pulse gas branch pipe, which is opposite to each filter screen frame, and the rear end of each pulse gas branch pipe is communicated with the pulse gas main pipe. The middle part of the right side of the waste gas chamber is provided with an air inlet hole, the lower part of the waste gas chamber is in a funnel shape, the bottom end of the waste gas chamber is provided with a slag hole, a slag door frame is arranged in the slag hole, a slag door is arranged in the slag hole through a slag door shaft, one end of the slag door shaft is provided with a handle, and a groove is formed in the handle. Although the waste gas purifying chamber effectively purifies waste gas generated by metal smelting, the waste gas treating effect generated by electrophoresis solidification is poor, and corresponding requirements cannot be met.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a curing waste gas treatment system with good purification treatment effect.

In order to achieve the above purpose, the present utility model provides the following solutions: the utility model provides a solidification exhaust treatment system, includes exhaust fan, spray column, defroster, clarifier, active carbon adsorption bed, high calandria, exhaust fan, spray column, defroster, clarifier, active carbon adsorption bed, high calandria set gradually along exhaust gas direction of delivery, the defroster includes defogging casing and sets up polylith dog, polylith absorption sponge in the defogging casing, polylith the dog is arranged along exhaust gas direction of delivery equidistant dislocation from top to bottom, polylith absorption sponge sets up in terminal dog rear side respectively;

the purifier comprises a purifying shell, and two active carbon filter screens, a plurality of rows of ultraviolet lamps and a plurality of photocatalyst nets which are detachably arranged in the purifying shell, wherein the front end of the purifying shell is provided with an air inlet, the rear end of the purifying shell is provided with an air outlet, the active carbon filter screens are respectively arranged on the front side and the rear side in the purifying shell, the active carbon filter screens are provided with the ultraviolet lamps in a plurality of rows, the ultraviolet lamps in a plurality of rows are distributed at equal intervals along the conveying direction of waste gas, and the photocatalyst nets are arranged between every two rows of the ultraviolet lamps.

The beneficial effects of the utility model are as follows: realize effective purification treatment curing oven exhaust waste gas, this processing system is through setting up exhaust fan, the spray column, the defroster, the clarifier, activated carbon adsorption bed, high calandria, wherein utilize the exhaust fan suction and carry the waste gas of curing oven, then cool down and get rid of the particulate matter through the spray column to waste gas, the rethread defroster, the clarifier, activated carbon adsorption bed in proper order, with separate the water smoke that carries in the waste gas to waste gas in proper order, carry out UV photolysis purification, activated carbon adsorption filtration, carry out high altitude emission with waste gas through high calandria at last, make the purifying treatment effect of waste gas good.

Further, an air collecting pipeline is connected between the exhaust fan and the spray tower, and the exhaust fan is used for sucking exhaust gas exhausted by the curing oven.

Further, the utility model also comprises a plurality of air guide pipelines, the air collecting pipeline is connected with the lower half side of the spray tower, and the air guide pipelines are respectively connected between the top side of the spray tower and the demisting shell, between the demisting shell and the air inlet of the purifying shell, between the air outlet of the demisting shell and the activated carbon adsorption bed, and between the activated carbon adsorption bed and the high calandria.

Further, be provided with spiral plate, spray pipe in the spray column, the spiral plate upwards extends along the spiral of spray column inside wall spiral, the spray pipe is located the spiral plate directly over. By adopting the structure, the utility model realizes the spraying of atomized liquid medicine so as to fully mix the waste gas and the liquid medicine, and effectively reduces the temperature of the waste gas and removes particles.

Further, the spray tower also comprises a circulating water tank, a water collecting tank is formed at the bottom of the spray tower, a return pipe is connected between the water collecting tank and the circulating water tank, and a guide pipe is connected between the circulating water tank and the spray pipe. By adopting the structure, the utility model realizes recovery and recycling of sprayed liquid medicine.

Further, the control chamber is formed at the top of the purifying shell, a plurality of electric elements are arranged in the control chamber, an operation door is arranged on the side wall and the top side of the purifying shell respectively, the operation door is used for opening or closing the control chamber or the purifying shell, a swinging block is hinged to the side wall of the purifying shell, a retaining ring is hinged to the swinging block, a limiting block is arranged on the operation door, and the retaining ring is buckled with the limiting block by swinging the swinging block. By adopting the structure, the utility model realizes locking or unlocking of the operation door.

Further, the inside topside of purification casing is provided with two pairs of first mounting brackets, many pairs of second mounting brackets, many pairs of third mounting brackets respectively with the bottom side, with two pairs of first mounting brackets, with two second mounting brackets of pair, with the third mounting brackets of pair are respectively about establishing, wherein, two take shape first mounting groove on the opposite side of first mounting bracket, first mounting groove extends along first mounting bracket length direction, active carbon filter screen tip slip inserts in the first mounting groove, two it has a plurality of second mounting holes to open respectively on the opposite side of second mounting bracket, a plurality of second mounting holes are arranged along second mounting bracket length direction equidistant, two that the second mounting hole is used for installing an ultraviolet lamp jointly from top to bottom, two take shape the third mounting groove on the opposite side of third mounting bracket, the third mounting groove extends along third mounting bracket length direction, photocatalyst end slip inserts in the third mounting groove. By adopting the structure, the utility model realizes rapid assembly and disassembly of the active carbon filter screen, the ultraviolet lamp and the photocatalyst screen.

Drawings

Fig. 1 is an overall construction diagram of the present utility model.

Fig. 2 is a diagram showing the internal structure of the spray tower according to the present utility model.

Fig. 3 is an internal structural view of the mist eliminator of the present utility model.

Fig. 4 is a perspective view of the purifier of the present utility model.

Fig. 5 is a partial enlarged view of fig. 4 at a.

Fig. 6 is a perspective view of a purifier according to the present utility model.

Fig. 7 is a partial enlarged view at B in fig. 6.

Wherein 1 is the exhaust fan, 11 is the air collecting pipeline, 12 is the air guide pipeline, 2 is the spray column, 21 is the spiral plate, 22 is the spray pipe, 23 is the water catch bowl, 24 is the circulation tank, 241 is the back flow, 242 is the honeycomb duct, 3 is the defroster, 31 is the defogging casing, 32 is the dog, 33 is the adsorption sponge, 4 is the clarifier, 41 is the purification casing, 411 is the air inlet, 412 is the gas outlet, 413 is the limit block, 42 is the active carbon filter screen, 43 is the ultraviolet lamp, 44 is the photocatalyst net, 45 is first mounting bracket, 451 is first mounting groove, 46 is the second mounting bracket, 461 is the second mounting hole, 47 is the third mounting bracket, 471 is the third mounting groove, 48 is the operation door, 481 is the swinging block, 482 is the buckle, 49 is the control chamber, 5 is the active carbon adsorption layer, and 6 is the high calandria.

Detailed Description

The following description of the embodiments of the present utility model will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present utility model, for a part, but not all of the embodiments of the present utility model, without making any inventive effort.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 3, a curing exhaust gas treatment system comprises an exhaust fan 1, a plurality of air guide pipelines 12, a spray tower 2, a circulating water tank 24, a demister 3, a purifier 4, an activated carbon adsorption bed 5 and a high exhaust pipe 6, wherein the exhaust fan 1, the spray tower 2, the demister 3, the purifier 4, the activated carbon adsorption bed 5 and the high exhaust pipe 6 are sequentially arranged along the exhaust gas conveying direction, the demister 3 comprises a demisting shell 31 and a plurality of baffle blocks 32 and a plurality of adsorption sponges 33 which are arranged in the demisting shell 31, the baffle blocks 32 are arranged in an up-down staggered manner at equal intervals along the exhaust gas conveying direction, and the adsorption sponges 33 are respectively arranged at the rear sides of the baffle blocks 32 at the tail end.

In this embodiment, the air collecting duct 11 is connected to the lower half side of the spray tower 2, and the top side of the spray tower 2 is connected to the demisting case 31, the demisting case 31 is connected to the air inlet 411 of the purifying case 41, the air outlet 412 of the demisting case 31 is connected to the activated carbon adsorption bed 5, and the activated carbon adsorption bed 5 is connected to the high-pressure air pipe 6 through air guide ducts 12.

In the embodiment, a wind collecting pipeline 11 is connected between the exhaust fan 1 and the spray tower 2, and the exhaust fan 1 is used for sucking exhaust gas discharged by the curing oven.

In the embodiment, a spiral plate 21 and a spray pipe 22 are arranged in the spray tower 2, the spiral plate 21 extends upwards spirally along the inner side wall of the spray tower 2, and the spray pipe 22 is positioned right above the spiral plate 21.

In the present embodiment, a water collecting tank 23 is formed at the bottom of the spray tower 2, a return pipe 241 is connected between the water collecting tank 23 and the circulation water tank 24, and a guide pipe 242 is connected between the circulation water tank 24 and the spray pipe 22.

The purifier 4 comprises a purifying shell 41, two active carbon filter screens 42, a plurality of rows of ultraviolet lamps 43 and a plurality of photocatalyst nets 44, wherein the two active carbon filter screens 42, the plurality of rows of ultraviolet lamps 43 and the plurality of photocatalyst nets 44 are detachably arranged in the purifying shell 41, an air inlet 411 is formed in the front end of the purifying shell 41, an air outlet 412 is formed in the rear end of the purifying shell, the two active carbon filter screens 42 are respectively arranged on the front side and the rear side in the purifying shell 41, the plurality of rows of ultraviolet lamps 43 are arranged between the two active carbon filter screens 42, the plurality of rows of ultraviolet lamps 43 are distributed at equal intervals along the conveying direction of waste gas, and the photocatalyst nets 44 are arranged between every two rows of ultraviolet lamps 43.

In this embodiment, a control chamber 49 is formed at the top of the purifying housing 41, a plurality of electrical elements are arranged in the control chamber 49, an operation door 48 is respectively arranged on the side wall and the top side of the purifying housing 41, the operation door 48 is used for opening or closing the control chamber 49 or the purifying housing 41, a swinging block 481 is hinged on the side wall 41 of the purifying housing, a retaining ring 482 is hinged on the swinging block 481, a limiting block 413 is arranged on the operation door 48, and the retaining ring 482 is buckled with the limiting block 413 by swinging the swinging block 481; wherein the electrical component is a ballast for connecting and controlling the ultraviolet lamp 43.

In this embodiment, two pairs of first mounting frames 45, multiple pairs of second mounting frames 46 and multiple pairs of third mounting frames 47 are respectively arranged on the top side and the bottom side of the inside of the purification shell 41, the two first mounting frames 45 of the same pair, the two second mounting frames 46 of the same pair and the third mounting frames 47 of the same pair are respectively arranged in an up-down manner, wherein the opposite sides of the two first mounting frames 45 are provided with first mounting grooves 451, the first mounting grooves 451 extend along the length direction of the first mounting frames 45, the end parts of the activated carbon filter screen 42 are slidably inserted into the first mounting grooves 451, the opposite sides of the two second mounting frames 46 are respectively provided with multiple second mounting holes 461, the multiple second mounting holes 461 are distributed at equal intervals along the length direction of the second mounting frames 46, the two second mounting holes 461 which are vertically opposite are used for jointly mounting one ultraviolet lamp 43, the opposite sides of the two third mounting frames 47 are provided with third mounting grooves 471, the third mounting grooves 471 extend along the length direction of the third mounting frames 47, and the end parts of the light screen 44 are slidably inserted into the third mounting grooves 471.

In this embodiment, the specific exhaust gas treatment process is: firstly, an exhaust fan 1 is started to suck waste gas generated in the operation of a curing furnace, the waste gas is conveyed into a spray tower 2 through a wind collecting pipeline 11, then liquid medicine in a circulating water tank 24 is conveyed into a spray pipe 22 through a guide pipe 242, the spray pipe 22 sprays atomized liquid medicine into the spray tower 2, the atomized liquid medicine flows downwards along a spiral plate 21, the waste gas flows upwards along the spiral plate 21, the waste gas is fully contacted with the atomized liquid medicine, so that the waste gas is cooled and particles are removed, the used liquid medicine falls into a water collecting tank 23 to be collected, and then the liquid medicine is conveyed back to the circulating water tank 24 through a return pipe 241 for recycling;

the waste gas is output upwards from the spray tower 2 and then is conveyed into the demister 3 through the gas guide pipeline 12, wherein the waste gas is subjected to first demisting through a plurality of baffle blocks 31 and then is subjected to second demisting through a plurality of adsorption sponges 32 in sequence, so as to take out water mist carried in the waste gas, and after the demisting is finished, the dried waste gas is conveyed to the gas inlet 411 of the purifying shell 41 through the gas guide pipeline 12;

after the waste gas enters the purifying shell 41, the waste gas sequentially passes through the active carbon filter screen 41-the ultraviolet lamp 42-the photocatalyst net 43-the ultraviolet lamp 42-the active carbon filter screen 41 so as to filter and UV photolyze the waste gas, then the waste gas is conveyed to the active carbon adsorption bed 5 for adsorption filtration, and finally the waste gas is discharged at high altitude through the high-level calandria 6.

When the active carbon filter screen 42, the ultraviolet lamp 43 and the photocatalyst net 44 need to be disassembled and replaced, only a plurality of swinging blocks 481 corresponding to the side wall of the purifying shell 41 need to be swung to drive the retaining ring 482 to swing, so that the retaining ring 482 is loosened and is far away from the limiting block 413, the operation door 48 on the side wall of the purifying shell 41 can be opened at the moment, the purifying shell 41 is opened, then the active carbon filter screen 42 and the photocatalyst net 44 are manually pulled to translate, the active carbon filter screen 42 and the photocatalyst net 44 are pulled out, the ultraviolet lamp 43 is pushed to move up and down, and the ultraviolet lamp 43 is disassembled, so that the active carbon filter screen 42, the ultraviolet lamp 43 and the photocatalyst net 44 are quickly disassembled;

when the ballast corresponding to the ultraviolet lamp 43 is damaged, the plurality of swinging blocks 481 corresponding to the side wall of the purifying shell 41 are swung to drive the retaining ring 482 to swing, so that the retaining ring 482 is released away from the limiting block 413, and at the moment, the operation door 48 at the top of the purifying shell 41 can be opened, the control chamber 49 is opened, and the ballast in the control chamber 49 can be replaced.

The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.

Claims (7)

1. The utility model provides a solidification exhaust-gas treatment system, includes exhaust fan (1), spray column (2), defroster (3), clarifier (4), active carbon adsorption bed (5), high calandria (6), its characterized in that: the device comprises an exhaust fan (1), a spray tower (2), a demister (3), a purifier (4), an activated carbon adsorption bed (5) and a high-discharge pipe (6), wherein the demister (3) comprises a demisting shell (31) and a plurality of baffle blocks (32) and a plurality of adsorption sponges (33) which are arranged in the demisting shell (31), the baffle blocks (32) are arranged in a staggered mode up and down along the exhaust gas conveying direction at equal intervals, and the adsorption sponges (33) are respectively arranged at the rear sides of the baffle blocks (32) at the tail end;

the purifier (4) comprises a purifying shell (41) and two active carbon filter screens (42), a plurality of rows of ultraviolet lamps (43) and a plurality of photocatalyst nets (44) which are detachably arranged in the purifying shell (41), wherein an air inlet (411) is formed in the front end of the purifying shell (41), an air outlet (412) is formed in the rear end of the purifying shell, the active carbon filter screens (42) are respectively arranged on the front side and the rear side in the purifying shell (41), the active carbon filter screens (42) are respectively provided with the ultraviolet lamps (43) in a plurality of rows, the ultraviolet lamps (43) are distributed at equal intervals along the conveying direction of waste gas, and the photocatalyst nets (44) are arranged between the ultraviolet lamps (43) in every two rows.

2. A curing exhaust gas treatment system as defined in claim 1, wherein: an air collecting pipeline (11) is connected between the exhaust fan (1) and the spray tower (2), and the exhaust fan (1) is used for sucking exhaust gas discharged by the curing oven.

3. A curing exhaust gas treatment system as defined in claim 2, wherein: still include many air guide pipeline (12), the downside of spray column (2) is connected to air collection pipeline (11), between the topside of spray column (2) and defogging casing (31), between air inlet (411) of defogging casing (31) and purification casing (41), between gas outlet (412) and active carbon adsorption bed (5) of defogging casing (31), be connected through air guide pipeline (12) between active carbon adsorption bed (5) and high calandria (6) respectively.

4. A curing exhaust gas treatment system as defined in claim 3, wherein: the novel spray tower is characterized in that a spiral plate (21) and a spray pipe (22) are arranged in the spray tower (2), the spiral plate (21) extends upwards along the spiral of the inner side wall of the spray tower (2), and the spray pipe (22) is located right above the spiral plate (21).

5. A curing exhaust gas treatment system as defined in claim 4, wherein: still include circulation water tank (24), spray column (2) bottom takes shape has water catch bowl (23), be connected with back flow (241) between water catch bowl (23) and circulation water tank (24), be connected with honeycomb duct (242) between circulation water tank (24) and spray pipe (22).

6. A curing exhaust gas treatment system as defined in claim 5, wherein: control cavity (49) are formed at purification casing (41) top, be provided with a plurality of electrical components in control cavity (49), purification casing (41) lateral wall and topside are provided with operation door (48) respectively, operation door (48) are used for opening or closing control cavity (49) or purification casing (41), wherein, articulated on purification casing (41) lateral wall have swing piece (481), articulated on swing piece (481) have buckle (482), be provided with stopper (413) on operation door (48), through the swing piece (481) so that buckle (482) buckle stopper (413).

7. A curing exhaust gas treatment system as defined in claim 6, wherein: the inside topside of purification casing (41) is provided with two pairs of first mounting brackets (45) respectively with the bottom side, many pairs of second mounting brackets (46), many pairs of third mounting brackets (47), with two of pair first mounting brackets (45), with two second mounting brackets (46) of pair, with the third mounting brackets (47) of pair are respectively to establishing from top to bottom, wherein, two take shape on the opposite side of first mounting brackets (45) has first mounting groove (451), first mounting groove (451) extend along first mounting bracket (45) length direction, in active carbon filter screen (42) tip sliding insertion first mounting groove (451), two a plurality of second mounting holes (461) have been opened respectively on second mounting bracket (46) opposite side, a plurality of second mounting holes (461) are arranged along second mounting bracket (46) length direction equidistant, two of upper and lower opposite second mounting holes (461) are used for jointly installing an ultraviolet lamp (43), two take shape on the opposite side of third mounting bracket (47) has third mounting groove (471) length direction, in catalyst extension first mounting groove (471) extends in the tip sliding groove (47).