CN211963601U - Device for removing paint mist - Google Patents

Abstract

The utility model relates to the field of waste gas treatment, in particular to a device for removing paint mist, which comprises a shell, a diversion mechanism, a water spraying device, an adjusting device, a filtering device, a waste water pump, a centrifugal pump, a waste gas air inlet, a waste gas air outlet and an overhaul area, wherein the waste gas air outlet is connected with an exhaust fan, when the paint mist waste gas passes through the diversion mechanism, the paint mist waste gas is mixed with water containing a treating agent sprayed by the water spraying device, a high negative pressure vacuum area is formed when the air-water mixture passes through the outlet of the diversion mechanism, because the gas phase/liquid phase is accelerated differently, a part of paint mist particles fall into the water, the other part of paint mist enters a second cavity through a through hole on a partition plate, the water spraying device moves towards the waste gas air outlet through the filtering device, the water spraying device sprays the water containing the treating agent downwards, the device has simple structure, convenient maintenance and operation, safety and reliability, solves the problem of easy blockage of the filtering device, and improves the efficiency.

Description

Device for removing paint mist

Technical Field

The utility model relates to an exhaust-gas treatment field especially relates to a device for getting rid of coating cloud.

Background

With the obvious environmental protection problem in China, the exhaust emission has risen to a place which is strictly controlled. At present, the treatment of paint mist is mainly divided into a wet treatment technology and a dry treatment technology, wherein the wet treatment technology is widely applied, but the wet treatment technology has the problems that the humidity of a paint spraying space is increased and the humidity requirement of a paint spraying environment is opposite, the dry treatment technology is easy to block, equipment is easy to have burning and explosion risks, a filtering device needs to be replaced frequently, the treatment cost is high, the treatment efficiency is low and the like.

The utility model aims to solve the technical problem that current remove coating cloud device filter equipment and block up easily, need frequent replacement, lead to administering with high costs, administration efficiency is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model discloses an invention purpose is in order to overcome the problem that current treatment mode exists, and its main principle all is to make the coating cloud in the waste gas fully contact with water, utilizes gas phase/liquid phase to accelerate the difference and reach the purpose of getting rid of the coating cloud, more has to add the treating agent in the water, breaks paint viscosity, makes the coating cloud deposit, and when the coating cloud of handling passed through filter equipment, the coating cloud granule that will deposit was collected in filter equipment's containing box to reach the purpose of getting rid of the coating cloud.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a device for getting rid of coating cloud, including shell, the water spray device, be provided with import and export water conservancy diversion mechanism, water spray device, be used for adjusting water conservancy diversion mechanism outlet aperture's adjusting device, be used for filtering the filter equipment of coating cloud granule, waste water pump and centrifugal pump, the shell includes upper casing and lower casing that distributes from top to bottom, be connected with sealed the pad between upper casing and the lower casing, the shell inner space is divided into first cavity and second cavity through the baffle, set up a plurality of through-holes that are used for communicating first cavity and second cavity on the baffle, the through-hole is located the lower casing, the shell upper end is opened respectively and is dug the waste gas air intake that communicates with first cavity and the waste gas air outlet that communicates with the second cavity;

the flow guide mechanism is positioned in the first cavity, and the left end and the right end of the flow guide mechanism are fixedly connected with the inner wall of the first cavity;

the water spraying device penetrates through the side wall of the shell and extends into the flow guide mechanism;

the waste water pump is communicated with the interior of the lower shell through a pipeline and is used for pumping out waste water accumulated in the lower shell;

the centrifugal pump is respectively connected with the water spraying device and the filtering device through pipelines;

the inlet caliber of the flow guide mechanism is larger than the outlet caliber, and the cross section of a flow guide channel of the flow guide mechanism continuously changes in size from top to bottom, so that paint mist waste gas entering from the inlet of the flow guide mechanism is fully mixed with water mist sprayed by the water spraying device in the flow guide mechanism;

the filtering device is positioned in the second chamber and is fixedly connected with the inner wall of the second chamber;

the side wall of the shell is provided with an overhaul region;

the adjusting device is located in the first cavity and fixedly connected with the inner wall of the shell, and the adjusting device is located on the outer side of the flow guide mechanism and close to the overhaul area.

Furthermore, the side wall of the lower shell protrudes out of the side wall of the upper shell to form a protruding portion, the protruding portion is communicated with the second chamber, and a cover plate covers an opening at the upper end of the protruding portion.

Further, the upper end bore of water conservancy diversion mechanism matches with waste gas air intake bore, water conservancy diversion mechanism includes the guide plate of two symmetric distributions, the guide plate includes integrated into one piece's first buckling plate, second buckling plate, third buckling plate and fourth buckling plate, the second buckling plate is the shape, fourth buckling plate is and has the open-ended triangle-shaped structure, water atomizer is located the inboard of second buckling plate and fourth buckling plate, a plurality of air vents have been seted up on the base of fourth buckling plate.

Further, water atomizer includes a plurality of first water pipes and the fixed connection piece of cup jointing on first water pipe, first water pipe runs through the lateral wall of shell and extends to in the first cavity, is located open a plurality of atomizing apertures on the inside first water pipe wall of first cavity, the connection piece with shell outer wall fixed connection.

Furthermore, adjusting device is used for adjusting the size of water conservancy diversion mechanism outlet port footpath, adjusting device with water conservancy diversion mechanism contact does not connect nevertheless, adjusting device includes fixed connection at the fixed plate of first cavity inner wall, runs through the lead screw, the screw-thread fit of fixed plate are in the nut of lead screw, through adjusting water conservancy diversion mechanism outlet port bore size, adjust the gas flow rate of water conservancy diversion mechanism export, control the speed that the coating cloud waste gas passes through filter equipment, make all coating cloud waste gases that get into filter equipment contact with the water that contains the treating agent as far as possible.

Further, filter equipment includes a plurality of filter screens, water spray set, removable receiver, and is a plurality of the filter screen is from last to arranging in the second cavity down in proper order, water spray set installs the lower extreme at the top filter screen, water spray set includes a plurality of second water pipes and a plurality of shower nozzle, the second water pipe runs through the lateral wall of shell and extends to in the second cavity, the shower nozzle be located second water pipe lower extreme and with second water pipe intercommunication, removable receiver sets up between two adjacent filter screens, place a plurality of adsorption balls in the storage box of change, a plurality of shower nozzles spun water that contains the treating agent is covered with whole paint mist passageway cross-section as far as.

Further, a pair of water-stop sheets and a pair of second guide plates are arranged in the lower shell body, the water-stop sheets are located in the first cavity and fixedly installed at the lower end of the flow guide mechanism, the water-stop sheets are located in the inner side of the through hole, the lower end of the water-stop sheets and the inner bottom end of the lower shell body are spaced, the second guide plates are located in the second cavity and fixed on the side wall of the lower shell body, the second guide plates are located in the outer side of the through hole respectively, the height of the second guide plates is larger than that of the through hole, and the lower end of the second guide plates and the inner bottom end of the lower shell body are spaced.

Further, the service area includes the fore-track access hole and the back-track access hole that communicate with the second chamber respectively with first chamber intercommunication on the shell of digging, all install the door in fore-track access hole and the back-track access hole.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the device is provided with a flow guide mechanism and a water spray device which can adjust the outlet aperture between a waste gas inlet and a filter device, paint mist waste gas is mixed with water mist containing a treating agent sprayed by the water spray device when passing through the flow guide mechanism, and because the outlet aperture of the flow guide mechanism is smaller than the inlet aperture, a high negative pressure vacuum area is formed at the outlet of the flow guide mechanism by the air-water mixture, so that the adsorption effect is generated by utilizing the negative pressure, and because the gas phase/liquid phase acceleration is different, part of paint mist particles fall into the water, and the other part of paint mist enters a subsequent filter device through a through hole on a partition plate, thereby reducing the burden of the;

paint mist waste gas enters the second cavity through the through hole and continues to move at a high speed towards the waste gas outlet, water containing the treating agent is conveyed to the water spraying device by the centrifugal pump, and the water spraying device sprays the water containing the treating agent downwards, so that the paint mist waste gas can be rapidly condensed when passing through the filtering device, the paint mist waste gas is coated with solid particles and is collected in the storage box, and the treating agent in the water can also enable the liquid paint mist to be deposited;

the water source in the device is clear water of a paint spraying wastewater treatment system in a factory, the clear water can be repeatedly used, a treating agent is added into the clear water, the viscosity of paint can be broken by the treating agent, and paint mist waste gas entering the filtering device is difficult to rapidly block.

To sum up, this device simple structure, be convenient for maintain and operation, safe and reliable have effectively solved the problem that filter equipment very easily blockked up, have improved the efficiency of getting rid of coating cloud, and this device utilizes the interior effluent disposal system's that sprays paint of mill clarified water as the water source, has practiced thrift the water source.

Drawings

FIG. 1 is a perspective view of the front structure of the present invention;

FIG. 2 is a perspective view of the back structure of the present invention;

FIG. 3 is a perspective view of the internal structure of the present invention;

fig. 4 is a left side sectional view of the present invention;

fig. 5 is a schematic diagram of the internal structure of the first chamber according to the present invention;

fig. 6 is a schematic structural view of the lower housing of the present invention;

FIG. 7 is a schematic structural view of the deflector and the adjusting device of the present invention;

fig. 8 is a schematic structural view of the filtering device of the present invention;

FIG. 9 is a schematic view of the structure of the water atomizer of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 1a, an upper shell; 1b, a lower shell; 1b1, projection; 1c, a partition plate; 1d, a sealing gasket; 1e, a first chamber; 1f, a second chamber; 1g, through holes; 1h, water-stop sheet; 1j, a second baffle; 1k, a cover plate;

2. a flow guide mechanism; 21. a baffle; 211. a first bending plate; 212. a second bending plate; 213. a third bending plate; 214. a fourth bending plate 2141, a vent hole;

3. a water spraying device; 3a, a first water pipe; 3b, connecting sheets;

4. an adjustment device; 41. a screw rod; 42. a nut; 43. a fixing plate;

5. a filtration device; 5a, a filter screen; 5b, a water spraying device; 5b1, a second water pipe; 5b2, nozzle; 5c, a storage box;

6. a waste water pump;

7. a centrifugal pump;

8. a waste gas inlet;

9. a waste gas outlet;

10. a maintenance area; 10a, a front access hole; 10b, a rear access hole.

Detailed Description

The device for removing paint mist shown in fig. 1-9 is mainly applied to waste gas emission treatment of chemical enterprises, and comprises a shell 1, a flow guide mechanism 2, a water spraying device 3, an adjusting device 4, a filtering device 5, a waste water pump 6, a centrifugal pump 7, a waste gas air inlet 8, a waste gas air outlet 9 and a maintenance area 10.

The shell 1 comprises an upper shell 1a and a lower shell 1b which are distributed up and down, a sealing gasket 1d is connected between the upper shell 1a and the lower shell 1b to ensure the shell 1 to be sealed, the inner space of the shell 1 is divided into a first chamber 1e and a second chamber 1f through a partition board 1c, a plurality of through holes 1g for communicating the first chamber 1e with the second chamber 1f are arranged on the partition board 1c, the through holes 1g are positioned in the lower shell 1b, so that the water in the first chamber 1e and the water in the second chamber 1f can be communicated, the paint mist waste gas entering the second chamber 1f from the first chamber 1e is completely below the filtering device 5, in the actual process of defogging treatment, an external exhaust fan is connected at a waste gas outlet 9 through a pipeline, the paint mist waste gas enters the device from a waste gas inlet 8, and the cross section of a diversion channel of the diversion mechanism 2 is changed from top to bottom, the paint mist waste gas can be mixed with the water containing the treating agent sprayed by the water spraying device 3 when passing through the flow guide mechanism 2, the inlet caliber of the flow guide mechanism 2 is larger than the outlet caliber, a high negative pressure vacuum area is formed at the outlet of the flow guide mechanism 2 when the gas-water mixture passes through the outlet of the flow guide mechanism 2, so that an adsorption effect is generated, due to different gas phase/liquid phase acceleration, a part of paint mist particles fall into the water, after the other part of paint mist waste gas enters the second chamber 1f through the through hole 1g, the paint mist waste gas continuously moves upwards to the waste gas outlet 9 through the filtering device 5, the centrifugal pump 7 sends the water containing the treating agent to the water spraying device 5b, the water spraying device 5b comprises a plurality of second water pipes 5b1 and a plurality of spray nozzles 5b2, the water spraying surface covers the whole paint mist channel section as much as possible, and the water spraying device 5b sprays the water containing the treating, so that the paint mist waste gas can be rapidly condensed when passing through the filtering device 5, and the solid particles are coated and collected in the storage box 5c, and the liquid paint mist can be deposited by the treating agent in the water.

A waste water pump 6 is communicated with the interior of the lower shell 1b through a pipeline and is used for pumping the waste water in the lower shell 1b, one end of a centrifugal pump 7 is respectively connected with a water spraying device 3 and a water spraying device 5b through a water pipe, the other end of the centrifugal pump is connected with a factory-interior paint spraying waste water treatment system through a pipeline, clear water of the factory-interior paint spraying waste water treatment system is used as a water source of the device, meanwhile, a treating agent is added into the clear water of the factory-interior paint spraying waste water treatment system and is used for respectively supplying water containing the treating agent to the water spraying device 3 and the water spraying device 5b, an adjusting device 4 is positioned at the outer side of the flow guide mechanism 2 and is used for adjusting the size of the outlet caliber of the flow guide mechanism 2, the flow rate of paint mist waste gas passing through the filtering device is controlled by adjusting the size of the outlet caliber of the flow guide mechanism 2, and all the paint, the adjusting device 4 is located close to the front access opening 10a for easy operation.

The service area 10 further includes a rear access opening 10b cut in the housing and communicating with the second chamber 1f, and doors are installed in both the front access opening 10a and the rear access opening 10 b.

As shown in fig. 5-6, the side wall of the lower casing 1b protrudes from the side wall of the upper casing 1a to form a protruding portion 1b1, the protruding portion is communicated with the second chamber 1f, the upper opening of the protruding portion is covered with a cover plate 1k, which is mainly used for observing the state of the waste water in the lower casing 1b so as to be drawn out in time, thereby improving the filtering efficiency of the device, a water-stop plate 1h and a second flow-guide plate 1j are arranged in the lower casing 1b, the water-stop plate 1h is positioned in the first chamber 1e and fixedly mounted with the lower end of the flow-guide mechanism 2, the water-stop plate 1h is positioned inside the through hole 1g, the water-stop plate 1h guides the paint mist waste gas at the outlet of the flow-guide mechanism 2 to the bottom end of the lower casing 1b, the lower end of the water-stop plate 1h is spaced from the inner wall of the lower casing 1b so as to facilitate the paint mist waste gas to, the second guide plate 1j is positioned at the outer side of the through hole 1g, the upper end of the second guide plate 1j is higher than the upper end of the through hole 1g, and the lower end of the guide plate 1j is spaced from the bottom of the lower shell 1 b.

As shown in fig. 7, the upper end aperture of the diversion mechanism 2 matches the aperture of the exhaust inlet, the diversion mechanism 2 includes two symmetrically distributed diversion plates 21, the diversion plate 21 includes a first bending plate 211, a second bending plate 212, a third bending plate 213 and a fourth bending plate 214 which are integrally formed, the diversion plates designed in such shapes are designed to change the flow direction of the gas for many times, the second bending plate 212 is U-shaped, the fourth bending plate 214 is triangular with an opening, so that the water spraying device 3 can be conveniently placed on the inner sides of the second bending plate 212 and the fourth bending plate 214, the bottom edge of the fourth bending plate 214 is provided with a plurality of vent holes 2141, the paint mist exhaust gas passing through the vent holes 2141 and the paint mist exhaust gas at the outlet of the diversion mechanism 2 are converged to an intermediate position where the paint mist particles in the paint mist exhaust gas collide with each other so as to fall into the water, the adjusting device 4 includes a fixing plate 43 fixedly connected to the inner wall of the first chamber 1e, a second, A screw rod 41 penetrating through the fixing plate 43 and a nut in threaded fit with the screw rod 41 are used for adjusting the outlet aperture of the flow guide mechanism 2.

As shown in fig. 8, the filtering device 5 includes a plurality of filtering nets 5a, a water spraying device 5b, and a replaceable storage box 5c, the filtering nets 5a are sequentially disposed in the second chamber 1f from top to bottom, the water spraying device 5b is disposed under the uppermost filtering net 5a, the water spraying device 5b includes a second water pipe 5b1 and a plurality of spray heads 5b2, the second water pipe 5b1 penetrates through the side wall of the casing 1 and extends into the second chamber 1f, the spray head 5b2 is disposed at the lower end of the second water pipe 5b1 and is communicated with the second water pipe 5b1, the water spraying device 5b is distributed over the entire cross section of the second chamber, the replaceable storage box 5c is disposed between two adjacent filtering nets 5a, the bottom of the replaceable storage box 5c is composed of the filtering nets 5a, and a plurality of adsorbable balls are disposed inside the replaceable storage box 5 c.

As shown in fig. 9, the water spraying device 3 includes a first water pipe 3a and a connecting piece 3b, the first water pipe 3a penetrates through the side wall of the housing 1 and extends into the first chamber 1e, a plurality of small atomizing holes are cut on the pipe wall of the first water pipe 3a inside the first chamber 1e, and the connecting piece 3b is used for facilitating the fixed connection of the first water pipe 3a and the outer wall of the housing 1.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims (8)

1. A device for removing paint mist, characterized in that: including shell (1), be provided with water conservancy diversion mechanism (2) of import and export, water atomizer (3), be used for adjusting device (4) of water conservancy diversion mechanism (2) exit aperture, filter equipment (5), waste water pump (6) and centrifugal pump (7) for filtering coating cloud granule, shell (1) is including last casing (1 a) and lower casing (1 b) that distribute from top to bottom, go up casing (1 a) and be connected with sealed pad (1 d) down between casing (1 b), shell (1) inner space is divided into first cavity (1 e) and second cavity (1 f) through baffle (1 c), set up a plurality of through-holes (1 g) that are used for communicateing first cavity (1 e) and second cavity (1 f) on baffle (1 c), through-hole (1 g) are located down casing (1 b), shell (1) upper end is opened respectively and is dug have waste gas air intake (8) and second cavity (1 e) intercommunication with first cavity (1 e) and a waste gas outlet (9) communicated with the chamber (1 f);

the flow guide mechanism (2) is positioned in the first chamber (1 e), and the left end and the right end of the flow guide mechanism are fixedly connected with the inner wall of the first chamber (1 e);

the water spraying device (3) penetrates through the side wall of the shell (1) and extends into the flow guide mechanism (2);

the waste water pump (6) is communicated with the interior of the lower shell (1 b) through a pipeline and is used for pumping out waste water accumulated in the lower shell (1 b);

the centrifugal pump (7) is respectively connected with the water spraying device (3) and the filtering device (5) through pipelines and is used for respectively supplying water containing the treating agent to the water spraying device (3) and the filtering device (5);

the inlet aperture of the flow guide mechanism (2) is larger than the outlet aperture, and the cross section of a flow guide channel of the flow guide mechanism (2) continuously changes in size from top to bottom, so that paint mist waste gas entering from the inlet of the flow guide mechanism (2) is mixed with water mist sprayed by the water spraying device (3) in the flow guide mechanism (2);

the filtering device (5) is positioned in the second chamber (1 f) and is fixedly connected with the inner wall of the second chamber (1 f);

an overhaul region (10) is formed in the side wall of the shell (1);

adjusting device (4) are located first cavity (1 e) and shell (1) inner wall fixed connection, adjusting device (4) are located the outside of water conservancy diversion mechanism (2) and are close to overhaul district (10).

2. A device for removing paint mist as claimed in claim 1, wherein: the side wall of the lower shell (1 b) protrudes out of the side wall of the upper shell (1 a) to form a protruding part (1 b 1), the protruding part (1 b 1) is communicated with the second chamber (1 f), and a cover plate (1 k) is covered at the opening at the upper end of the protruding part (1 b 1).

3. A device for removing paint mist as claimed in claim 1, wherein: the upper end bore of water conservancy diversion mechanism (2) matches with waste gas air intake (8) bore, water conservancy diversion mechanism (2) are guide plate (21) including two symmetric distributions, guide plate (21) are including integrated into one piece's first bent plate (211), second bent plate (212), third bent plate (213) and fourth bent plate (214), second bent plate (212) are the U-shaped, fourth bent plate (214) are and have open-ended triangle-shaped structure, water atomizer (3) are located the inboard of second bent plate (212) and fourth bent plate (214), a plurality of air vents (2141) have been seted up on the base of fourth bent plate (214).

4. A device for removing paint mist as claimed in claim 1, wherein: water atomizer (3) include a plurality of first water pipes (3 a) and fixed connection piece (3 b) of cup jointing on first water pipe (3 a), first water pipe (3 a) run through the lateral wall of shell (1) and extend to in first cavity (1 e), are located a plurality of atomizing apertures are dug on the inside first water pipe (3 a) pipe wall of first cavity (1 e), connection piece (3 b) with shell (1) outer wall fixed connection.

5. A device for removing paint mist as claimed in claim 1, wherein: the adjusting device (4) is used for adjusting the size of the outlet aperture of the flow guide mechanism (2), the adjusting device (4) is in contact with the flow guide mechanism (2) but not connected with the flow guide mechanism, and the adjusting device (4) comprises a fixing plate (43) fixedly connected to the inner wall of the first chamber (1 e), a screw rod (41) penetrating through the fixing plate (43) and a nut in threaded fit with the screw rod (41).

6. A device for removing paint mist as claimed in claim 1, wherein: filter equipment (5) include a plurality of filter screens (5 a), water spray set (5 b) and removable receiver (5 c), and are a plurality of in filter screen (5 a) from last to placing in proper order down in second cavity (1 f), the lower extreme at topmost filter screen (5 a) is installed in water spray set (5 b), water spray set (5 b) includes a plurality of second water pipes (5 b 1) and a plurality of shower nozzle (5 b 2), second water pipe (5 b 1) run through the lateral wall of shell (1) and extend to in second cavity (1 f), shower nozzle (5 b 2) are located second water pipe (5 b 1) lower extreme and communicate with second water pipe (5 b 1), removable receiver (5 c) set up between two adjacent filter screens (5 a), place a plurality of adsorption balls in the receiver (5 c) of changing.

7. A device for removing paint mist as claimed in claim 1, wherein: the lower casing (1 b) is internally provided with a pair of water stop plates (1 h) and a pair of second guide plates (1 j), the water stop plates (1 h) are positioned in the first cavity (1 e) and fixedly installed at the lower end of the flow guide mechanism (2), the water stop plates (1 h) are positioned on the inner side of the through hole (1 g), the lower ends of the water stop plates (1 h) and the inner bottom end of the lower casing (1 b) are spaced, the second guide plates (1 j) are positioned in the second cavity (1 f) and fixed on the side wall of the lower casing (1 b), the second guide plates (1 j) are respectively positioned on the outer side of the through hole (1 g), the height of the second guide plates (1 j) is larger than that of the through hole (1 g), and the lower ends of the second guide plates (1 j) and the inner bottom end of the lower casing (1 b) are spaced.

8. A device for removing paint mist as claimed in claim 1, wherein: maintenance area (10) are including digging on shell (1) respectively with fore track access hole (10 a) of first cavity (1 e) intercommunication and with after track access hole (10 b) of second cavity (1 f) intercommunication, all install the door in fore track access hole (10 a) and after track access hole (10 b).

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