CN214680766U

CN214680766U - Waste gas pretreatment device

Info

Publication number: CN214680766U
Application number: CN202023276078.6U
Authority: CN
Inventors: 管红艳
Original assignee: Jiangsu Wanglan Environmental Technology Co ltd
Current assignee: Jiangsu Wanglan Environmental Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-12
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a waste gas preprocessing device belongs to the exhaust-gas treatment field of spraying paint, which comprises a housin, one side of casing is provided with the intake pipe, the intake pipe with the outer wall fixed connection and the inside intercommunication of casing, casing inner chamber top is provided with the fan, the fan with fixedly connected with support between the inner wall of casing, the below of fan is provided with the pivot, the surface rotation cover of pivot is equipped with the condensation plate, the condensation plate with the inner wall fixed connection of casing, the condensation plate below symmetry respectively is provided with a plurality of flabellums, and is a plurality of the flabellum respectively with the surface fixed connection of pivot. The utility model discloses in, it is rotatory to utilize reaction force to promote pivot and flabellum drive branch pipe by water spray mechanism spun water smoke to drip, and the flabellum is rotatory to produce decurrent effort and promote paint mist waste gas and water smoke and drip telemechanical downwards to receive the stirring of branch pipe, make mixed adsorption time longer more even, the separation paint effect is better.

Description

Waste gas pretreatment device

Technical Field

The utility model belongs to the technical field of the exhaust-gas treatment that sprays paint, especially, relate to an exhaust-gas pretreatment device.

Background

With the wide application of automatic paint spraying lines in recent years, the environmental protection problem of the paint spraying lines is gradually raised in the automatic coating industry, and although the automatic paint spraying lines are already environment-friendly paints, the paint mist and waste gas of the paint spraying lines can cause environmental pollution if the treatment is not good. Therefore, the waste paint mist and waste gas of the automatic paint spraying line are treated as an essential link, and the paint mist becomes a topic which cannot be avoided in the waste gas treatment link.

The existing paint mist and waste gas pretreatment device usually adopts sprayed water mist to form a water curtain to be fully mixed with the paint mist, so that the paint mist originally suspended in gas collides with each other and is rapidly increased in weight, and the aim of separating the paint mist from the waste gas is finally achieved, but in actual use, the following defects exist: the mixing time of the paint mist and the water mist is short, effective water drops are difficult to form and fall down, the water drops enter a subsequent process along with the air flow, and the paint mist treatment is not thorough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the waste gas pretreatment device is provided for solving the problems that in the prior art, the mixing time of paint mist and water mist is short, effective water drops are difficult to form and fall down, the water drops enter a subsequent process along with air flow, and the paint mist treatment is not thorough.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a waste gas pretreatment device, includes the casing, one side of casing is provided with the intake pipe, the intake pipe with outer wall fixed connection and the inside intercommunication of casing, casing inner chamber top is provided with the fan, the fan with fixedly connected with support between the inner wall of casing, the below of fan is provided with the pivot, the surface rotation cover of pivot is equipped with the condensing plate, the condensing plate with the inner wall fixed connection of casing, the condensing plate below is symmetry respectively and is provided with a plurality of flabellums, a plurality of the flabellum respectively with the surface fixed connection of pivot, the below of flabellum is symmetry respectively provided with four branch pipes, four the branch pipe respectively with the bottom fixed connection and the inside intercommunication of pivot, four one side of branch pipe equipartition respectively is provided with a plurality of water spray mechanisms, water spray mechanism includes nozzle, plunger, The spray nozzle is fixed on the outer wall of the branch pipe and is internally communicated, the plunger is nested in an inner cavity of the spray nozzle in a sliding mode, the three water distribution plates are symmetrically fixed on the outer surface of the plunger respectively, one end of the guide rod is connected with the plunger in a rotating mode, the other end of the guide rod is fixedly connected with the support plate, the spring is movably sleeved on the outer surface of the guide rod, and two ends of the spring are respectively attached to the end face of the support plate and the inner wall of the branch pipe.

As a further description of the above technical solution:

the condensing plate is fixed with an annular pipeline in the middle in an inserting mode, multiple groups of through holes are evenly distributed in the condensing plate and are respectively located between the annular pipelines, and the condensing plate is of an umbrella-shaped structure.

As a further description of the above technical solution:

the inboard of condensing plate is provided with solid fixed ring, gu fixed ring with the surface fixed connection of pivot, gu fixed ring's both sides are rotated respectively and are connected with branch, branch is close to one side of condensing plate is fixed with the brush hair, branch with gu fixed ring's rotation junction cover is equipped with torque spring, torque spring's both ends respectively with branch with gu fixed ring's surface is laminated mutually.

As a further description of the above technical solution:

the casing is kept away from one side outer wall fixedly connected with water pump of intake pipe, the import department of water pump is fixed with the pipe that absorbs water, the free end that absorbs water the pipe extends to the inner chamber bottom and the end of casing are fixed with the filter screen, the exit of water pump is fixed with the outlet pipe, the top of pivot is rotated and is connected with rotary joint, the outlet pipe is kept away from the one end of water pump extends to the inside of casing and with rotary joint fixed connection.

As a further description of the above technical solution:

the nozzle is the horn mouth shape, the cross-section of plunger is the cone, the terminal surface of plunger with the terminal surface of nozzle is laminated mutually, the plunger adopts the rubber material, the inclination of distributive plate and vertical face is 60 degrees.

As a further description of the above technical solution:

the brush hair with the inboard wall laminating of condensation plate, the brush hair adopts the nylon material, the casing with the surface of intake pipe all sprays rust-resistant anticorrosive coating.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the water pump and the filter screen that set up etc, the water pump is through absorbing water tub and filter screen from the absorption circulating water of casing inner chamber bottom, by outlet pipe and rotary joint carry pivot and branch pipe in to drop by the blowout of water spray mechanism, form cyclic utilization, abundant water economy resource avoids extravagant.

2. The utility model discloses in, through the water spray mechanism and flabellum etc. that set up, rivers are backed down the plunger by the branch pipe and promote the diversion plate rotatory around the guide arm, make from nozzle spun rivers form rotatory circular water curtain, the branch pipe receives the reaction force that rivers sprayed away to drive pivot and flabellum and rotates together simultaneously, form columniform water curtain in the inner chamber of casing, it inhales the bottom and the water curtain emergence contact collision of casing with coating cloud and waste gas through the intake pipe to start the fan and mixes, the rotatory coating cloud that will rise of flabellum and waste gas promotion further and water curtain combined action downwards to one side simultaneously, make coating cloud longer with water curtain mixing time, it is more even to mix, consequently, it is better to remove the lacquer effect.

3. The utility model discloses in, through condensing panel, branch and brush hair etc. that set up, waste gas rises and takes place heat exchange with condensing panel surface contact, and water smoke vapor in the waste gas receives the cooling and condenses to form the water droplet and condense on the condensing panel surface, and the pivot drives solid fixed ring, branch and brush hair rotatory around the inboard surface of condensing panel for the water droplet on condensing panel surface is swept down, prevents that the through-hole from being blockked up, can effectually avoid the unusual loss of circulating water, improves the utilization ratio of circulating water, has practiced thrift the treatment cost.

Drawings

Fig. 1 is a sectional view of an exhaust gas pretreatment device according to the present invention;

fig. 2 is a sectional view of a water spraying mechanism in the exhaust gas pretreatment device according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 of the exhaust gas pretreatment device according to the present invention.

Illustration of the drawings: 1. a housing; 2. an air inlet pipe; 3. a fan; 4. a support; 5. a rotating shaft; 6. a condensing plate; 7. a fan blade; 8. a branch pipe; 91. a nozzle; 92. a plunger; 93. a water diversion plate; 94. a guide bar; 95. a support plate; 96. a spring; 10. an annular duct; 11. a through hole; 12. a fixing ring; 13. a strut; 14. brushing; 15. a torsion spring; 16. a water pump; 17. a suction pipe; 18. a filter screen; 19. a water outlet pipe; 20. a rotary joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 3, the exhaust gas pretreatment device of the embodiment includes a housing 1, an air inlet pipe 2 is disposed on one side of the housing 1, the air inlet pipe 2 is fixedly connected and internally communicated with an outer wall of the housing 1, a fan 3 is disposed at the top of an inner cavity of the housing 1, a support 4 is fixedly connected between the fan 3 and an inner wall of the housing 1, a rotating shaft 5 is disposed below the fan 3, a condensing plate 6 is rotatably sleeved on an outer surface of the rotating shaft 5, the condensing plate 6 is fixedly connected with an inner wall of the housing 1, a plurality of blades 7 are symmetrically disposed below the condensing plate 6, the plurality of blades 7 are respectively fixedly connected with an outer surface of the rotating shaft 5, four branch pipes 8 are respectively and symmetrically disposed below the blades 7, the four branch pipes 8 are respectively and fixedly connected and internally communicated with a bottom end of the rotating shaft 5, a plurality of water spraying mechanisms are respectively and uniformly disposed on one side of the four branch pipes 8, each water spraying mechanism includes a nozzle 91, The spray nozzle comprises a plunger 92, three water diversion plates 93, a guide rod 94, a support plate 95 and a spring 96, wherein the nozzle 91 is fixed on the outer wall of the branch pipe 8 and is communicated with the inside, the plunger 92 is nested in the inner cavity of the nozzle 91 in a sliding manner, the three water diversion plates 93 are respectively and symmetrically fixed on the outer surface of the plunger 92, one end of the guide rod 94 is rotatably connected with the plunger 92, the other end of the guide rod 94 is fixedly connected with the support plate 95, the spring 96 is movably sleeved on the outer surface of the guide rod 94, two ends of the spring 96 are respectively attached to the end surfaces of the support plate 95 and the inner wall of the branch pipe 8, water flow pushes the plunger 92 open by the branch pipe 8 and pushes the water diversion plates 93 to rotate around the guide rod 94, so that the water flow sprayed out of the nozzle 91 forms a rotating circular water curtain, meanwhile, the branch pipe 8 is driven by the counterforce of the sprayed out of the water flow to rotate the rotating shaft 5 and the fan blades 7 together, a cylindrical water curtain is formed in the inner cavity of the shell 1, the fan blades 7 rotate to push rising paint mist and waste gas to further to be mixed with the water curtain obliquely downwards, the paint mist and the water drops are condensed to form larger raindrops to fall, and the effect is better.

As shown in fig. 1 and 2, the annular pipeline 10 is fixed to the interlude in the middle of the condensing plate 6, multiunit through-hole 11 has been seted up to the equipartition on the condensing plate 6, multiunit through-hole 11 is located respectively between the annular pipeline 10, condensing plate 6 is the umbelliform structure, condensing plate 6 is the aluminum alloy material, the heat conduction effect is good, let in the coolant liquid in to the annular pipeline 10, make condensing plate 6 surface temperature lower, waste gas rises and takes place the heat exchange with 6 surface contact of condensing plate, water smoke vapor in the waste gas receives the cooling and condenses to form the water droplet and condense on condensing plate 6 surface, and slide along 6 inside walls of condensing plate, waste gas then is discharged by through-hole 11 in the later process.

As shown in fig. 1 and 2, the inner side of the condensation plate 6 is provided with a fixing ring 12, the fixing ring 12 is fixedly connected with the outer surface of the rotating shaft 5, two sides of the fixing ring 12 are respectively connected with a support rod 13 in a rotating manner, one side of the support rod 13, which is close to the condensation plate 6, is fixed with bristles 14, a torsion spring 15 is sleeved at the rotating connection position of the support rod 13 and the fixing ring 12, two ends of the torsion spring 15 are respectively attached to the surfaces of the support rod 13 and the fixing ring 12, the rotating shaft 5 drives the fixing ring 12, the support rod 13 and the bristles 14 rotate around the inner side surface of the condensation plate 6, so that water drops on the surface of the condensation plate 6 are swept down, and the through hole 11 is prevented from being blocked.

As shown in fig. 1, a water pump 16 is fixedly connected to an outer wall of one side of the housing 1 far away from the air inlet pipe 2, a water suction pipe 17 is fixed to an inlet of the water pump 16, a free end of the water suction pipe 17 extends to the bottom of an inner cavity of the housing 1, and a filter screen 18 is fixed to the tail end of the inner cavity, a water outlet pipe 19 is fixed to an outlet of the water pump 16, a rotary joint 20 is rotatably connected to the top end of the rotating shaft 5, one end of the water outlet pipe 19 far away from the water pump 16 extends to the inside of the housing 1 and is fixedly connected with the rotary joint 20, the water pump 16 provides circulating power for water flow, the water pump 16 sucks circulating water from the bottom of the inner cavity of the housing 1 through the water suction pipe 17, the circulating water is conveyed to the rotating shaft 5 through the water outlet pipe 19 and the rotary joint 20, and then is sprayed by a water spraying mechanism to be mixed with paint mist and waste gas to form water drops, the water drops for recycling, the filter screen 18 plays a role in filtering paint, so that water resources can be saved and treatment cost can be reduced.

As shown in fig. 3, nozzle 91 is the bell mouth shape, the cross-section of plunger 92 is the cone, the terminal surface of plunger 92 and the terminal surface of nozzle 91 laminate mutually, plunger 92 adopts the rubber material, plunger 92 rebounds through spring 96 when water pressure is less and drives the terminal surface that plunger 92 laminated nozzle 91, seal branch pipe 8 and outside intercommunication, can prevent nozzle 91 jam effectively, the inclination of diversion board 93 and vertical face is 60 degrees, water impact diversion board 93, make diversion board 93 drive plunger 92 rotatory around guide arm 94, make the water curtain region that rivers formed bigger wider, more homodisperse, be favorable to abundant and paint mist to mix and condense.

As shown in fig. 1 and 2, the bristles 14 are attached to the inner side wall of the condensation plate 6, the bristles 14 are made of nylon, the inner side surface of the condensation plate 6 is conveniently cleaned, water drops are prevented from blocking the through holes 11, and the outer surfaces of the shell 1 and the air inlet pipe 2 are sprayed with anti-rust and anti-corrosion coatings to prevent corrosion and prolong the service life.

The utility model discloses a theory of operation and application method:

when the device is used, firstly, cooling liquid is introduced into the annular pipeline 10, the water pump 16 is started, the water pump 16 sucks circulating water from the bottom of the inner cavity of the shell 1 through the water suction pipe 17, the circulating water is conveyed into the rotating shaft 5 and the branch pipe 8 through the water outlet pipe 19 and the rotary joint 20, water flow is pushed by the branch pipe 8 to open the plunger 92 and push the water distribution plate 93 to rotate around the guide rod 94, so that the water flow sprayed out of the nozzle 91 forms a rotating circular water curtain, meanwhile, the branch pipe 8 is driven by the reaction force of the sprayed water flow to drive the rotating shaft 5 and the fan blades 7 to rotate together, a cylindrical water curtain is formed in the inner cavity of the shell 1, the fan 3 is started to suck paint mist and waste gas into the bottom of the shell 1 through the air inlet pipe 2 to be contacted, collided and mixed with the water curtain, meanwhile, the fan blades 7 rotate to push the rising paint mist and waste gas to further mix with the water curtain, so that the paint mist and the water drops form larger raindrops to fall down, waste gas then rises and takes place the heat exchange with condensation plate 6 surface contact, and water smoke vapor in the waste gas receives the cooling and condenses to form the water droplet and condense on condensation plate 6 surface, and pivot 5 drives solid fixed ring 12, branch 13 and brush hair 14 and rotates around condensation plate 6's inside surface for the water droplet on condensation plate 6 surface is swept and is fallen, prevents that through-hole 11 from blockking up, and waste gas is then discharged by through-hole 11 in the next process.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The waste gas pretreatment device comprises a shell (1) and is characterized in that an air inlet pipe (2) is arranged on one side of the shell (1), the air inlet pipe (2) is fixedly connected with the outer wall of the shell (1) and is communicated with the inner part of the outer wall of the shell, a fan (3) is arranged at the top of the inner cavity of the shell (1), a support (4) is fixedly connected between the fan (3) and the inner wall of the shell (1), a rotating shaft (5) is arranged below the fan (3), a condensing plate (6) is rotatably sleeved on the outer surface of the rotating shaft (5), the condensing plate (6) is fixedly connected with the inner wall of the shell (1), a plurality of fan blades (7) are symmetrically arranged below the condensing plate (6) respectively, a plurality of fan blades (7) are fixedly connected with the outer surface of the rotating shaft (5) respectively, four branch pipes (8) are symmetrically arranged below the fan blades (7) respectively, the four branch pipes (8) are respectively fixedly connected with the bottom end of the rotating shaft (5) and are communicated with the inside of the rotating shaft, a plurality of water spraying mechanisms are uniformly distributed on one side of each of the four branch pipes (8), each water spraying mechanism comprises a nozzle (91), a plunger (92), three water distribution plates (93), guide rods (94), support plates (95) and springs (96), the nozzle (91) is fixed on the outer wall of each branch pipe (8) and is communicated with the inside of the branch pipe, the plunger (92) is nested in an inner cavity of the nozzle (91) in a sliding mode, the three water distribution plates (93) are respectively and symmetrically fixed on the outer surface of the plunger (92), one end of each guide rod (94) is rotatably connected with the plunger (92), the other end of each guide rod (94) is fixedly connected with the support plates (95), and the springs (96) are movably sleeved on the outer surface of the guide rods (94), and two ends of the spring (96) are respectively attached to the end surface of the support plate (95) and the inner wall of the branch pipe (8).

2. The waste gas pretreatment device according to claim 1, wherein an annular pipeline (10) is fixedly inserted in the middle of the condensation plate (6), a plurality of groups of through holes (11) are uniformly distributed on the condensation plate (6), the plurality of groups of through holes (11) are respectively positioned between the annular pipelines (10), and the condensation plate (6) is in an umbrella-shaped structure.

3. The exhaust gas pretreatment device according to claim 2, wherein a fixing ring (12) is disposed on the inner side of the condensation plate (6), the fixing ring (12) is fixedly connected to the outer surface of the rotating shaft (5), two sides of the fixing ring (12) are respectively rotatably connected with a support rod (13), one side of the support rod (13) close to the condensation plate (6) is fixed with bristles (14), a torsion spring (15) is sleeved at the rotating connection position of the support rod (13) and the fixing ring (12), and two ends of the torsion spring (15) are respectively attached to the surfaces of the support rod (13) and the fixing ring (12).

4. The exhaust gas pretreatment device according to claim 3, characterized in that a water pump (16) is fixedly connected to an outer wall of one side of the housing (1) far away from the air inlet pipe (2), a water suction pipe (17) is fixed to an inlet of the water pump (16), a free end of the water suction pipe (17) extends to the bottom of an inner cavity of the housing (1), a filter screen (18) is fixed to an end of the water suction pipe, a water outlet pipe (19) is fixed to an outlet of the water pump (16), a rotary joint (20) is rotatably connected to a top end of the rotating shaft (5), and one end of the water outlet pipe (19) far away from the water pump (16) extends to the inside of the housing (1) and is fixedly connected with the rotary joint (20).

5. The exhaust gas pretreatment device according to claim 4, wherein the nozzle (91) has a bell mouth shape, the cross section of the plunger (92) is a cone, the end surface of the plunger (92) is attached to the end surface of the nozzle (91), the plunger (92) is made of rubber, and the inclination angle of the diversion plate (93) to the vertical plane is 60 degrees.

6. The exhaust gas pretreatment device according to claim 5, wherein the bristles (14) are attached to the inner side wall of the condensation plate (6), the bristles (14) are made of nylon, and the outer surfaces of the shell (1) and the air inlet pipe (2) are coated with antirust and anticorrosive coatings.