CN211189581U

CN211189581U - Wet dust collector with pre-treated air inlet

Info

Publication number: CN211189581U
Application number: CN201921564946.5U
Authority: CN
Inventors: 赵长城; 樊梦婷
Original assignee: Changzhou Qingquan Environmental Protection Complete Equipment Co ltd
Current assignee: Changzhou Qingquan Environmental Protection Complete Equipment Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-08-07
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a wet dust collector for pretreating an air inlet, which belongs to the technical field of dust collectors, and adopts the technical scheme that the wet dust collector comprises a feed barrel, an air inlet pipe, a Venturi tube, a cyclone separator and a sedimentation tank which are connected in sequence, wherein the air inlet pipe is positioned on the side wall of the feed barrel, and the side wall of the Venturi tube is connected with a sprayer; a gas-water separation inner cavity is arranged in the cyclone separator, one end of the Venturi tube, which is far away from the gas inlet pipe, is communicated with the side wall of the gas-water separation inner cavity, and the top of the gas-water separation inner cavity is provided with a clean gas outlet; the sedimentation tank is positioned at the bottom of the gas-water separation inner cavity; the intake pipe can be dismantled towards venturi one end and be connected with the one-level filter screen, and the intake pipe is close to one-level filter screen one end lateral wall and can dismantle and be connected with the dust box that falls, and the dust box that falls communicates with the intake pipe. The utility model is suitable for a dust removal of the occasion that contains a large amount of large granule dusts or impurity reduces the damage of large granule dust to the gas-water separation inner chamber to improve the effect of the working life of gas-water separation inner chamber casing.

Description

Wet dust collector with pre-treated air inlet

Technical Field

The utility model belongs to the technical field of the dust remover technique and specifically relates to a wet dust collector of air inlet department preliminary treatment is related to.

Background

The wet dust collector is commonly called as 'water dust collector', and is a device which makes dust-containing gas and liquid (generally water) closely contact, utilizes the inertia collision of water drops and particles or utilizes the full mixing action of water and dust and other actions to trap the particles or make the particles increase or remain in a fixed container to achieve the effect of separating water from dust.

Chinese patent No. CN204485575U discloses a novel anti-corrosion wet dust collector, which comprises a waste gas inlet, a cyclone dust collector, a material recovery port, a pipeline, a wet spray, a steam-water separator, an automatic water replenishing device, a heater, a wet dust collector, an ash discharge port, a centrifugal fan, a purified gas outlet and a motor. The waste gas inlet is connected with the upper left end of the cyclone dust collector, the material recovery port is located at the lower end of the cyclone dust collector, the right side of the cyclone dust collector is connected with the upper end of the steam-water separator through a pipeline, the wet type sprayer is located at the upper end inside the steam-water separator, the heater is located below the inside of the steam-water separator, the wet type dust collector is connected with the lower portion of the steam-water separator, the ash discharge port is connected with the lower portion of the wet type dust collector, the automatic water replenishing device is connected with the pipeline, the right side of the steam-water separator is connected with the centrifugal fan through a pipeline, the purified gas outlet is connected.

The steam-water separator is generally provided with a gas-water separation inner cavity and is used for providing a place for spraying and settling dust. Among the above-mentioned prior art scheme, dust removal process is carried out in the great place of dust granule, and major diameter granule dust can get into the gas-water separation inner chamber of catch water under centrifugal fan's drive, collides round trip in the gas-water separation inner chamber, and the degree of damage that can be to the gas-water separation inner chamber is very big to reduce the working life of gas-water separation inner chamber casing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wet dust collector of air inlet department preliminary treatment has the damage that reduces large granule dust to the gas-water separation inner chamber to improve the life's of gas-water separation inner chamber casing effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a wet dust collector with a pretreated air inlet comprises a feed barrel, an air inlet pipe, a Venturi tube, a cyclone separator and a sedimentation tank which are sequentially connected, wherein the air inlet pipe is positioned on the side wall of the feed barrel, and the side wall of the Venturi tube is connected with a sprayer; a gas-water separation inner cavity is arranged in the cyclone separator, one end of the Venturi tube, which is far away from the gas inlet pipe, is communicated with the side wall of the gas-water separation inner cavity, and the top of the gas-water separation inner cavity is provided with a clean gas outlet; the sedimentation tank is positioned at the bottom of the gas-water separation inner cavity and is communicated with the gas-water separation inner cavity through a pipeline;

the intake pipe orientation venturi one end fixedly connected with braced frame, braced frame is last to dismantle and to be connected with the one-level filter screen, the intake pipe is close to the box that falls is dismantled and to be connected with to one-level filter screen one end lateral wall, just the box that falls dust with the intake pipe intercommunication.

Through adopting above-mentioned technical scheme, the one-level filter screen is arranged in filtering the large granule dust in the intake pipe to collect through the dust box that falls, in order to prevent that the large granule dust is difficult for being dissolved in water, get into the gas-water separation inner chamber after, carry out the collision back and forth in the gas-water separation inner chamber, one-level filter screen, intake pipe and dust box that falls can reduce the damage of large granule dust to the gas-water separation inner chamber, thereby improve the working life of gas-water separation inner chamber casing. The sprayer is used for spraying and wetting the dust-containing gas introduced into the Venturi tube, then the dust-containing gas enters the cyclone separator for gas-water separation, clean gas is discharged from the clean gas outlet, and slurry enters the settling pond for settling.

The utility model discloses further set up to, the one-level filter screen is the elasticity material, the one-level filter screen orientation feed barrel one side is connected with the stay cord, the feed barrel is equipped with the feed inlet, the stay cord is kept away from the feed inlet is stretched out to one-level filter screen one end.

Through adopting above-mentioned technical scheme, the one-level filter screen is elastic material, pulls the one-level filter screen through the stay cord, and the large granule dust that will block into the one-level filter screen shakes off.

The utility model discloses further set up to, the feedwell orientation the inside wall of intake pipe department articulates there is first baffle, be equipped with the wire rope handling hole that can supply the stay cord to pass on the first baffle.

Through adopting above-mentioned technical scheme, thereby for preventing to pop out the intake pipe entering feedwell with the large granule dust that shakes off, before the pulling stay cord, rotatory to intake pipe mouth of pipe department with articulated first baffle.

The utility model discloses further set up to, venturi orientation gas-water separation inner chamber one end symmetry is equipped with the second baffle, just the second baffle is kept away from venturi one end orientation gas-water separation inner chamber bottom slope.

Through adopting above-mentioned technical scheme, keep off through the second baffle and flow, will follow the muddy water of venturi outflow and towards the water separation inner chamber bottom water conservancy diversion, reduce because the liquid that splashes everywhere of inertia effect in the water separation inner chamber to prevent muddy water bonding on water separation inner chamber inner wall, form the mud dirt.

The utility model discloses further set up to, gas-water separation inner chamber bottom is connected with the guide plate that the slope set up, just the guide plate is located and keeps away from second baffle one side.

By adopting the technical scheme, the guide plate is used for guiding the muddy water flowing to the bottom of the gas-water separation inner cavity into the settling pond as soon as possible.

The utility model discloses further set up to, the settling basin bottom is connected with the mud discharging pipe, the settling basin is close to the one end lateral wall of cyclone bottom is connected with the clear water discharging pipe, the clear water discharging pipe is kept away from settling basin one end is provided with the catch basin, just the catch basin top is less than the one end that clear water discharging pipe and settling basin are connected.

By adopting the technical scheme, the sedimentation tank is used for settling and separating the liquid flowing out of the cyclone separator, and cleaner clear water is positioned at the upper part of the sedimentation tank and is led out to the water storage tank through the clear water discharge pipe, so that water sources are saved; the muddy mud is positioned at the bottom of the sedimentation tank and is discharged through a mud discharging pipe.

The utility model discloses further set up to, the catch basin still is connected with the inlet tube, just catch basin one side lateral wall is connected with the suction pump, the suction pump leads to pipe and connects the spray thrower.

Through adopting above-mentioned technical scheme, the inlet tube constantly supplyes the clear water and gets into the catch basin, and the make-up water mixes in letting in the spray thrower with the clear water of settling basin internal discharge, forms the cyclic utilization of water resource, reduces the waste of water resource.

The utility model discloses further set up to, clear water discharging pipe orientation sedimentation tank one end is connected with the second grade filter screen.

Through adopting above-mentioned technical scheme, the second grade filter screen is used for filtering the impurity of the water that flows into the clear water discharging pipe.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the primary filter screen and the dust falling box, the effect of filtering large-particle dust or impurities and reducing the damage of the large-particle dust or impurities to the gas-water separation inner cavity can be achieved, so that the service life of the cyclone separator is prolonged;

2. through the arrangement of the first baffle and the pull rope, the effect of shaking off large-particle dust clamped on the primary filter screen and preventing the large-particle dust from bouncing into the feeding barrel can be achieved;

3. through the setting of second baffle and guide plate, can play and keep off the rivers that flow into the gas-water separation inner chamber with the water conservancy diversion, reduce the effect that liquid splashes.

Drawings

FIG. 1 is a schematic view showing the overall structure of the wet scrubber in this embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1, for illustrating a connection relationship between the first baffle and the feed barrel.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1, for showing a connection relationship between the primary filter screen and the support frame.

FIG. 4 is a partially enlarged schematic view of a portion C in FIG. 1 for showing the connection relationship between the secondary filter screen and the clean water discharge pipe.

In the figure, 1, a feed barrel; 11. a feed inlet; 12. a discharge port; 13. a first baffle plate; 14. a stringing hole; 2. an air inlet pipe; 21. a support frame; 22. a first-stage filter screen; 23. a dust falling box; 24. pulling a rope; 3. a venturi tube; 31. a shrink tube; 32. a throat; 33. enlarging the tube; 34. a sprayer; 4. a cyclone separator; 41. a gas-water separation inner cavity; 42. a clean gas outlet; 43. a second baffle; 44. a baffle; 5. a sedimentation tank; 51. a slurry discharge pipe; 52. a clear water discharging pipe; 53. a secondary filter screen; 6. a water storage tank; 61. a water inlet pipe; 62. a water pump; 7. a pipeline; 71. a water pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the wet dust collector with a pretreated inlet according to the embodiment includes a feed barrel 1, an air inlet pipe 2, a venturi tube 3, a cyclone separator 4, a settling basin 5 and a water storage tank 6, which are connected in sequence and are communicated with each other. The top of feed barrel 1 is equipped with feed inlet 11, and the bottom is equipped with discharge gate 12, and intake pipe 2 is located 1 lateral wall of feed barrel, and the material passes through feed inlet 11 and gets into feed barrel 1, because cyclone 4 produces the negative pressure, inhales intake pipe 2 with dirty gas in the feeding process to get into cyclone 4 in through venturi 3, make dirty gas to be removed dust step by step and filter, and the material then derives through discharge gate 12.

Referring to fig. 1 and 3, preferably, intake pipe 2 is towards venturi 3 one end fixedly connected with braced frame 21 in this embodiment, and braced frame 21 goes up the joint has elastic one-level filter screen 22, and intake pipe 2 lateral wall still joint has dust falling box 23, and dust falling box 23 bottom sets up towards ground. Large granule dust or impurity are difficult for staying in intake pipe 2 through one-level filter screen 22 among the dusty gas to drop in falling dirt box 23, reduce large granule dust or impurity and get into cyclone 4, cause the destruction to cyclone 4. One end of the primary filter screen 22 facing the feed barrel 1 is connected with a pull rope 24, and one end of the pull rope 24 far away from the primary filter screen 22 extends out of the feed barrel 1 through the feed inlet 11 and is used for shaking off large-particle dust or impurities clamped on the primary filter screen 22. In order to prevent large-particle dust or impurities from bouncing into the feed barrel 1 when the pull rope 24 pulls the primary filter screen 22, a first baffle 13 (see fig. 2) is hinged to the side wall of the feed barrel 1, and the first baffle 13 is provided with a rope threading hole 14. When the first-stage filter screen 22 is cleaned, the first baffle 13 is pulled to rotate by hand in the feed barrel 1, so that the first baffle 13 seals the opening of the air inlet pipe 2, the pull rope 24 penetrates through the rope threading hole 14, and then the pull rope 24 is pulled, so that large-particle dust or impurities are bounced into the dust falling box 23.

Referring to fig. 1, a sprayer 34 is communicated with the side wall of the venturi tube 3 and is used for spraying the dust-containing gas introduced from the gas inlet pipe 2, and the dust-containing gas is sprayed to form muddy water. The cyclone separator 4 is internally provided with a gas-water separation inner cavity 41, the top of the gas-water separation inner cavity 41 is provided with a clean gas outlet 42, and the bottom is communicated with the sedimentation tank 5 through a pipeline 7. One end of the venturi tube 3 far away from the air inlet pipe 2 is communicated with the side wall of the gas-water separation inner cavity 41, muddy water flows into the gas-water separation inner cavity 41 and flows into the sedimentation tank 5 through the pipeline 7 for sedimentation separation, and clean gas is discharged through the clean gas outlet 42.

Referring to fig. 1, preferably, a second baffle 43 is arranged in parallel on the inner wall of the gas-water separation cavity 41 near the venturi tube 3, one end of the second baffle 43 far away from the venturi tube 3 is inclined towards the bottom of the gas-water separation cavity 41, a guide plate 44 is arranged at the bottom of the gas-water separation cavity 41 in an inclined manner, and the guide plate 44 is located on the side wall far away from the second baffle 43. When slurry water flows out of the Venturi tube 3, the slurry water is firstly blocked and guided by the second baffle 43, part of the slurry water rapidly enters the sedimentation tank 5 through the pipeline 7, and part of the slurry water is guided into the pipeline 7 through the guide plate 44.

Referring to fig. 1 and 4, a clean water discharging pipe 52 is connected to a side wall of one end of the sedimentation tank 5 facing the cyclone separator 4, one end of the clean water discharging pipe 52 far away from the sedimentation tank 5 is connected with the water storage tank 6, and clean water settled in the sedimentation tank 5 flows into the water storage tank 6 to be stored; the bottom of the sedimentation tank 5 is connected with a slurry discharge pipe 51, and the slurry sinking into the bottom of the sedimentation tank 5 is discharged through the slurry discharge pipe 51. Preferably, in this embodiment, a second-stage filter screen 53 is disposed at the connection between the clean water discharging pipe 52 and the sedimentation basin 5 to filter impurities. In order to facilitate the clean water in the sedimentation tank 5 to flow into the water storage tank 6, the top of the water storage tank 6 is lower than one end of the clean water discharge pipe 52, which is provided with the secondary filter screen 53.

Referring to fig. 1, in order to save water for dust removal, a water pump 62 is connected to the sprayer 34 through a water pipe 71, and the water pump 62 pumps water in the water storage tank 6 to recycle precipitation water. Meanwhile, the water storage tank 6 is also connected with a water inlet pipe 61 for supplementing water into the water storage tank 6.

The implementation principle of the above embodiment is as follows: the large particle dust or impurities are filtered by the primary filter screen 22 and are retained in the dust falling box 23, and the residual dust-containing gas is introduced into the venturi tube 3. The venturi tube 3 comprises a contraction tube 31 (see fig. 1), a throat tube 32 (see fig. 1) and an expansion tube 33 (see fig. 1) which are arranged in sequence, the gas containing dust enters the contraction tube 31, and the flow velocity is gradually increased along the tube. Water or other liquid is injected through throat 32 and atomized by impingement with the high velocity gas stream. The dust particles in the gas are lubricated by contact with the liquid droplets. After entering the enlarged pipe 33, the flow rate gradually decreases, and dust particles adhere to each other to form muddy water which enters the cyclone 4. Due to the action of centrifugal force, water and lubricated dust particles are thrown to the inner wall of the gas-water separation inner cavity 41 and flow downwards into the sedimentation tank 5, and the purified gas is discharged from the clean gas outlet 42.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a wet dust collector of inlet opening pretreatment which characterized in that: the device comprises a feed barrel (1), an air inlet pipe (2), a Venturi tube (3), a cyclone separator (4) and a sedimentation tank (5) which are connected in sequence, wherein the air inlet pipe (2) is positioned on the side wall of the feed barrel (1), and the side wall of the Venturi tube (3) is connected with a sprayer (34); a gas-water separation inner cavity (41) is formed in the cyclone separator (4), one end, far away from the air inlet pipe (2), of the Venturi pipe (3) is communicated with the side wall of the gas-water separation inner cavity (41), and a clean gas outlet (42) is formed in the top of the gas-water separation inner cavity (41); the sedimentation tank (5) is positioned at the bottom of the gas-water separation inner cavity (41);

intake pipe (2) orientation venturi (3) one end fixedly connected with braced frame (21), last the dismantling of braced frame (21) is connected with one-level filter screen (22), intake pipe (2) are close to one-level filter screen (22) one end lateral wall can be dismantled and be connected with dust box (23), just dust box (23) fall with intake pipe (2) intercommunication.

2. A wet scrubber inlet pre-treatment as set forth in claim 1, wherein: one-level filter screen (22) are elastic material, one-level filter screen (22) orientation feedwell (1) one side is connected with stay cord (24), feedwell (1) is equipped with feed inlet (11), stay cord (24) are kept away from feed inlet (11) is stretched out to one-level filter screen (22) one end.

3. A wet scrubber inlet pre-treatment as set forth in claim 2, wherein: the inner side wall of the feed barrel (1) facing the air inlet pipe (2) is hinged with a first baffle (13), and a rope threading hole (14) through which a pull rope (24) can pass is formed in the first baffle (13).

4. A wet scrubber inlet pre-treatment as set forth in claim 1, wherein: venturi tube (3) orientation gas-water separation inner chamber (41) one end symmetry is equipped with second baffle (43), just second baffle (43) are kept away from the one end orientation of venturi tube (3) gas-water separation inner chamber (41) bottom slope.

5. The inlet preconditioned wet scrubber as set forth in claim 4, wherein: the bottom of the gas-water separation inner cavity (41) is connected with a guide plate (44) which is obliquely arranged, and the guide plate (44) is positioned at one side far away from the second baffle (43).

6. A wet scrubber inlet pre-treatment as set forth in claim 1, wherein: the sedimentation tank (5) bottom is connected with mud discharging pipe (51), sedimentation tank (5) are close to the one end lateral wall of cyclone (4) bottom is connected with clear water discharging pipe (52), clear water discharging pipe (52) are kept away from sedimentation tank (5) one end is provided with catch basin (6), just catch basin (6) top is less than the one end that clear water discharging pipe (52) and sedimentation tank (5) are connected.

7. The inlet preconditioned wet scrubber as set forth in claim 6, wherein: the water storage tank (6) is further connected with a water inlet pipe (61), a side wall of one side of the water storage tank (6) is connected with a water suction pump (62), and the water suction pump (62) is connected with the sprayer (34) through a water pipe (71).

8. A wet scrubber inlet pre-treatment as set forth in claim 7, wherein: the clean water discharging pipe (52) faces one end of the sedimentation tank (5) and is connected with a secondary filter screen (53).