CN218687293U - Water film dust collector with water for preventing smoke and dust - Google Patents
Water film dust collector with water for preventing smoke and dust Download PDFInfo
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- CN218687293U CN218687293U CN202222971775.6U CN202222971775U CN218687293U CN 218687293 U CN218687293 U CN 218687293U CN 202222971775 U CN202222971775 U CN 202222971775U CN 218687293 U CN218687293 U CN 218687293U
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Abstract
The utility model provides a smoke-proof water film dust remover with water; comprises a tower body, a water supply mechanism and a dust removal mechanism; the dust removing mechanism comprises an exhaust pipe and two baffle plates; the tower body comprises a plurality of sections of cylinders which are fixedly connected in sequence; the barrel comprises an inner barrel and an outer barrel; the inner cylinder is arranged in the outer cylinder, and the adjacent inner cylinder and the outer cylinder are respectively and fixedly connected in sequence; the bottom of the tower body is provided with a Venturi tube which is arranged at the front side of the tower body and is tangent to the front side of the tower body, and the throat part of the Venturi tube is provided with a spray head; the exhaust pipe is arranged at the top end of the tower body, is communicated with the interior of the tower body, is tangent to the inner diameter of the tower body and has a rectangular cross section; the two baffles are arranged on the front side and the rear side of the inner wall of the exhaust pipe at intervals, and are staggered with each other to form a curved channel; the exhaust pipe is arranged obliquely upwards; the utility model provides a dust exhaust mouth exhaust flue gas area water, the draught fan impeller that causes dust exhaust mouth rear portion pipe connection wets the problem of deposition.
Description
Technical Field
The utility model relates to an industrial dedusting technical field especially relates to a water film deduster of smoke prevention and dust area water.
Background
The dust remover is a common facility in boilers and industrial production, and comprises a wet dust remover, namely a water film dust remover; the water film dust remover is a purification device which utilizes dust-containing gas to impact the inner wall of the dust remover or water films formed on other special components by a certain method, so that dust is captured by the water films and the gas is purified;
the upper part of a cylinder in the water film dust remover is provided with a nozzle which sprays water to the wall of the cylinder along the tangential direction, namely, the inner wall of the cylinder is always covered with a layer of thin water film which rotates and flows downwards; the dust-containing gas is introduced from the lower part of the cylinder body in the tangential direction, rotates and rises, dust particles are separated under the action of centrifugal force, are thrown to the inner wall of the cylinder body, are adsorbed by a water film layer flowing on the inner wall of the cylinder body, flow to the bottom cone along with water, and are discharged through the dust discharge port, so that the aim of improving the dust removal effect is fulfilled; however, in the actual operation process of the water film dust collector, the smoke discharged from the dust discharge port carries water, so that the impeller of the induced draft fan connected with the pipeline at the rear part of the dust discharge port is wetted and accumulated with dust, the rotor rotates unevenly, the impeller is easy to wear, the service life of the induced draft fan is shortened, and the repair and maintenance times of the induced draft fan in the service cycle are more.
SUMMERY OF THE UTILITY MODEL
The water film dust collector has the advantages that the water film dust collector can prevent the water in the water film dust collector from being wetted by smoke and dust, the water in the smoke and dust discharged from the dust discharge port is removed, and the damp and dust accumulation of the impeller of the draught fan connected with the rear pipeline of the dust discharge port is avoided.
According to the embodiment of the utility model, the water film dust remover with water for smoke prevention comprises a tower body, a water supply mechanism and a dust removing mechanism; the dust removing mechanism comprises an exhaust pipe and two baffle plates; the exhaust pipe is arranged at the top end of the tower body, is communicated with the interior of the tower body, is tangent to the inner diameter of the tower body and has a rectangular cross section; the two baffles are arranged on the front side and the rear side of the inner wall of the exhaust pipe at intervals, and are staggered with each other to form a curved channel; the exhaust pipe is arranged obliquely upwards.
The technical principle of the utility model is that: flue gas enters from the bottom of the tower body, a water supply mechanism sprays water in the tower body, and water flows from the inner wall of the top end of the tower body to the bottom of the tower body to form a water film; in the process that the flue gas enters the top of the tower body from the bottom of the tower body, most particles or harmful gases in the flue gas are absorbed by a water film; after the flue gas passes through the water film, the flue gas flowing at high speed contains moisture, when the flue gas passes through the exhaust pipe, the flue gas passes through the baffle plate, the flue gas continuously impacts the baffle plate and the inner wall of the exhaust pipe through a bent channel formed by the baffle plate, and moisture particles in the flue gas are adhered to the baffle plate or the inner wall of the exhaust pipe; the exhaust pipe is arranged obliquely upwards, and the moisture collected in the bent channel is collected and flows back into the tower body.
Compared with the prior art, the utility model discloses following beneficial effect has: the two baffles are staggered with each other to form a curved channel, and the movement direction of the flue gas is changed for many times when the flue gas passes through the curved channel; compared with other particles without water, the moisture particles in the smoke have larger weight inertia; when the movement direction of the moisture particles is changed for many times, part of the moisture particles are impacted and adhered to the baffle or the inner wall of the exhaust pipe, so that the moisture content of the flue gas is reduced, an impeller of the induced draft fan arranged behind the exhaust pipe is not easy to damp and deposit dust, the service life of the impeller is prolonged, and the maintenance frequency of the induced draft fan is reduced in the service cycle; the problem that the draught fan impeller connected with a pipeline at the rear part of the dust exhaust port is affected with damp and deposited dust due to the fact that water is carried in smoke exhausted from the dust exhaust port is solved; in the process of constructing the water film dust collector, the staggered distance of the two baffles can be adjusted according to the type of the actually removed smoke dust so as to reduce the smoke passing resistance in the exhaust pipe.
Preferably, the water supply mechanism comprises an inner plate and a plurality of spray heads; the inner wall of the top of the tower body is provided with a groove, the spray heads are uniformly arranged in the groove, the inner plate is fixedly connected to the inner wall of the tower body above the groove, the inner plate blocks the spray heads, and the bottom end of the inner plate and the groove are arranged at intervals.
By adopting the technical scheme, the method has the advantages that: when the water supply mechanism works, the spray head sprays water to the inner wall of the tower body, and the water flow is blocked by the inner plate and then flows downwards along the inner wall of the tower body to form a water film; the shower nozzle evenly sets up in the recess, and the tower body inner wall is level and smooth, and the resistance that the flue gas received in the tower body is little.
Preferably, the tower body bottom is provided with venturi, and venturi sets up in the tower body front side, and venturi is tangent with the tower body front side, and the venturi throat is provided with the shower head.
By adopting the technical scheme, the device has the advantages that: the spray header sprays water from the throat inlet of the Venturi tube, and the water flow sprayed at the inlet is smashed by high-speed flue gas flow to be changed into a large number of fine water drops to fill the throat space; because of the relative speed between the fine water drops and the fly ash in the flue gas, the ash particles break through the gas film around the water drops and adhere to the water drops, and collide under the action of the relative speed to polymerize into ash water drops with larger particles; at the right part of the Venturi tube, the speed of the airflow is lower and lower, the pressure is higher and higher, and part of kinetic energy of the ash particles is converted into pressure energy, so that the static pressure is improved; part of saturated steam in the flue gas takes dust and grey water drops as cores and is condensed into new grey water drops, so that the diameter of the original grey water drops is increased.
Preferably, the shower nozzle downward sloping is arranged, and the contained angle between shower nozzle and the tower body radial cross-section is the acute angle, is parallel to each other between every shower nozzle, and the strip mouth has been seted up to the shower nozzle front end.
By adopting the technical scheme, the method has the advantages that: parallel water flow is sprayed out of the strip-shaped openings, so that the collision with the inner plate is reduced; each spray head is parallel to each other, so that water flow sprayed by adjacent spray heads is avoided; the included angle between the spray head and the radial section of the tower body is an acute angle, the spray head sprays water to the wall of the tower along the tangential direction, and the inner wall of the tower body is always covered with a layer of thin water film which rotates to flow downwards; the flue gas is introduced from the lower part of the tower body in the tangential direction and rotates and rises, and dust particles are separated under the action of centrifugal force, thrown to the inner wall of the tower body, adsorbed by a water film layer flowing on the inner wall of the tower body and discharged from the bottom of the tower body along with water flow.
Preferably, the tower body can be provided with two water supply mechanisms from top to bottom.
By adopting the technical scheme, the method has the advantages that: the two water supply mechanisms are arranged in the tower body, so that the thin water film covered on the inner wall of the tower body can be ensured to rotate all the time and flow downwards.
Preferably, the tower body comprises a plurality of sections of cylinders which are fixedly connected in sequence; the barrel comprises an inner barrel and an outer barrel; the inner cylinder is arranged in the outer cylinder, and the adjacent inner cylinder and the outer cylinder are respectively and fixedly connected in sequence; the structure of the exhaust pipe is the same as that of the tower body.
By adopting the technical scheme, the method has the advantages that: the outer cylinder is made of steel, so that water leakage and permeation of the inner cylinder are avoided, and the sealing performance is good; the inner cylinder adopts a natural granite bent plate, and has a smooth and flat integral structure, corrosion resistance, wear resistance and high temperature resistance.
Drawings
FIG. 1 is a schematic structural view of a water dust scrubber with water for smoke prevention according to an embodiment of the present invention;
FIG. 2 is a schematic view of a part of a water dust scrubber with water for smoke prevention according to an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along plane A-A of FIG. 1;
FIG. 4 is a front view of FIG. 1;
fig. 5 is a rear view of fig. 1.
In the drawings, wherein: the tower body 1, a groove 101, an inner cylinder 2, an outer cylinder 3, an inner plate 4, a spray head 5, an exhaust pipe 6, a Venturi tube 7 and a baffle plate 8.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1 to 5, a water film dust collector with water for preventing smoke and dust comprises a tower body 1, a water supply mechanism and a dust removing mechanism; the tower body 1 comprises a plurality of sections of cylinders which are fixedly connected in sequence; the barrel comprises an inner barrel 2 and an outer barrel 3; the outer cylinder 3 is made of steel, and the inner cylinder 2 is made of a natural granite bent plate; the inner cylinder 2 is arranged in the outer cylinder 3, and the adjacent inner cylinder 2 and outer cylinder 3 are respectively and fixedly connected in sequence; the structure of the exhaust duct 6 is the same as that of the tower body 1; the bottom of the tower body 1 is provided with a Venturi tube 7, the Venturi tube 7 is arranged on the front side of the tower body 1, the Venturi tube 7 is tangent to the front side of the tower body 1, and the throat part of the Venturi tube 7 is provided with a spray head;
as shown in fig. 3, 4 and 5: the dust removing mechanism comprises an exhaust pipe 6 and two baffles 8; the baffle 8 is a natural granite plate; the exhaust pipe 6 is arranged at the top end of the tower body 1, the exhaust pipe 6 is communicated with the interior of the tower body 1, the exhaust pipe 6 is tangent to the inner diameter of the tower body 1, and the section of the exhaust pipe 6 is rectangular; the two baffles 8 are arranged on the front side and the rear side of the inner wall of the exhaust pipe 6 at intervals, and the two baffles 8 are staggered with each other to form a curved channel; the exhaust pipe 6 is arranged obliquely upwards;
as shown in fig. 4: the tower body 1 can be provided with two water supply mechanisms from top to bottom; the water supply mechanism comprises an inner plate 4 and a plurality of spray heads 5; the spray head 5 is a water curtain spray head 5; a groove 101 is formed in the inner wall of the top of the tower body 1, the spray heads 5 are uniformly arranged in the groove 101, the inner plate 4 is fixedly connected to the inner wall of the tower body 1 above the groove 101, the inner plate 4 blocks the spray heads 5, and the bottom end of the inner plate 4 is arranged at intervals with the groove 101; the shower nozzle 5 downward sloping is arranged, and the contained angle between shower nozzle 5 and the tower body 1 radial cross-section is the acute angle, is parallel to each other between every shower nozzle 5, and the bar mouth has been seted up to 5 front ends of shower nozzle.
The technical principle of the utility model is that: flue gas enters from the bottom of the tower body 1, a water supply mechanism sprays water in the tower body 1, and water flows from the inner wall of the top end of the tower body 1 to the bottom of the tower body 1 to form a water film; in the process that the flue gas enters the top of the tower body 1 from the bottom of the tower body 1, most particles or harmful gases in the flue gas are absorbed by a water film; after the flue gas passes through the water film, the flue gas flowing at high speed contains moisture, when the flue gas passes through the exhaust pipe 6, the flue gas passes through the baffle plate 8, the flue gas continuously impacts the baffle plate 8 and the inner wall of the exhaust pipe 6 through a bent channel formed by the baffle plate 8, and moisture particles in the flue gas are adhered to the baffle plate 8 or the inner wall of the exhaust pipe 6; the exhaust pipe 6 is obliquely arranged upwards, and the water gathered in the bent channel is collected and flows back into the tower body 1.
Compared with the prior art, the utility model discloses following beneficial effect has: the two baffles 8 are staggered with each other to form a curved channel, and the movement direction of the flue gas is changed for many times when the flue gas passes through the curved channel; compared with other particles without water, the moisture particles in the flue gas have larger weight inertia; when the movement direction of the moisture particles is changed for many times, part of the moisture particles are collided and adhered to the inner wall of the baffle 8 or the inner wall of the exhaust pipe 6, the moisture content of the flue gas is reduced, an impeller of the induced draft fan arranged behind the exhaust pipe 6 is not easy to be affected with damp and deposited with dust, the service life of the impeller is prolonged, and the maintenance frequency of the induced draft fan is reduced in the service cycle; the problem that the draught fan impeller connected with a pipeline at the rear part of the dust exhaust port is affected with damp and deposited dust due to the fact that water is carried in smoke exhausted from the dust exhaust port is solved; in the process of constructing the water film dust collector, the staggered distance of the two baffles 8 can be adjusted according to the type of the actually removed smoke dust so as to reduce the smoke passing resistance in the exhaust pipe 6.
Two water supply mechanisms are arranged in the tower body 1, so that a thin water film covered on the inner wall of the tower body 1 can be ensured to rotate all the time and flow downwards; the outer cylinder 3 is made of steel, so that water leakage and seepage of the inner cylinder 2 are avoided, and the sealing performance is good; the inner cylinder 2 adopts a natural granite bent plate, and has a smooth and flat integral structure, corrosion resistance, wear resistance and high temperature resistance;
when the water supply mechanism works, the spray head 5 sprays water to the inner wall of the tower body 1, and the water flow is blocked by the inner plate 4 and then flows downwards along the inner wall of the tower body 1 to form a water film; the spray heads 5 are uniformly arranged in the grooves 101, the inner wall of the tower body 1 is smooth, and the resistance of the flue gas in the tower body 1 is small; the strip-shaped ports spray parallel water flow to reduce the collision with the inner plate 4; each spray head 5 is parallel to each other, so that water flow sprayed by adjacent spray heads 5 avoids each other; an included angle between the spray head 5 and the radial section of the tower body 1 is an acute angle, the spray head 5 sprays water to the wall of the tower body along the tangential direction, and the inner wall of the tower body 1 is always covered with a layer of thin water film which rotates to flow downwards;
the spray header sprays water from the inlet of the throat part of the Venturi tube 7, the water flow sprayed in the inlet is broken by the smoke flow with high speed, and a large amount of fine water drops are formed and filled in the throat space; because of the relative speed between the fine water drops and the fly ash in the flue gas, the ash particles break through the gas film around the water drops and adhere to the water drops, and collide under the action of the relative speed to polymerize into ash water drops with larger particles; at the right part of the Venturi tube 7, the speed of the airflow is lower and lower, the pressure is higher and higher, and part of kinetic energy of the ash particles is converted into pressure energy, so that the static pressure is improved; part of saturated steam in the flue gas is condensed into new grey water drops by taking dust and grey water drops as cores, so that the diameter of the original grey water drops is increased; the flue gas is introduced from the lower part of the tower body 1 along the tangential direction by the Venturi tube 7, rotates and rises, and dust particles are separated under the action of centrifugal force, thrown to the inner wall of the tower body 1, adsorbed by a water film layer flowing on the inner wall of the tower body 1 and discharged from the bottom of the tower body 1 along with water.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a water film deduster of smoke protection area water which characterized in that: comprises a tower body, a water supply mechanism and a dust removal mechanism; the dust removing mechanism comprises an exhaust pipe and two baffle plates; the exhaust pipe is arranged at the top end of the tower body, is communicated with the interior of the tower body, is tangent to the inner diameter of the tower body and has a rectangular cross section; the two baffles are arranged on the front side and the rear side of the inner wall of the exhaust pipe at intervals, and are staggered with each other to form a curved passage; the exhaust pipe is arranged obliquely upwards.
2. The water dust scrubber of claim 1, wherein: the water supply mechanism comprises an inner plate and a plurality of nozzles; the inner wall of the top of the tower body is provided with a groove, the spray heads are uniformly arranged in the groove, the inner plate is fixedly connected to the inner wall of the tower body above the groove, the inner plate blocks the spray heads, and the bottom end of the inner plate and the groove are arranged at intervals.
3. The water dust scrubber of claim 1, wherein: the tower body bottom is provided with venturi, and venturi sets up in the tower body front side, and venturi is tangent with the tower body front side, and the venturi throat is provided with the shower nozzle.
4. The water dust scrubber of claim 2, wherein: the shower nozzle downward sloping is arranged, and the contained angle between shower nozzle and the tower body radial cross-section is the acute angle, is parallel to each other between every shower nozzle, and the bar mouth has been seted up to the shower nozzle front end.
5. A soot-resistant water scrubber as claimed in claim 1 or 2, wherein: the tower body can be provided with two water supply mechanisms from top to bottom.
6. The water dust scrubber of claim 1, wherein: the tower body comprises a plurality of sections of cylinders which are fixedly connected in sequence; the barrel comprises an inner barrel and an outer barrel; the inner cylinder is arranged in the outer cylinder, and the adjacent inner cylinder and the outer cylinder are respectively and fixedly connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222971775.6U CN218687293U (en) | 2022-11-07 | 2022-11-07 | Water film dust collector with water for preventing smoke and dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222971775.6U CN218687293U (en) | 2022-11-07 | 2022-11-07 | Water film dust collector with water for preventing smoke and dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218687293U true CN218687293U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222971775.6U Active CN218687293U (en) | 2022-11-07 | 2022-11-07 | Water film dust collector with water for preventing smoke and dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218687293U (en) |
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2022
- 2022-11-07 CN CN202222971775.6U patent/CN218687293U/en active Active
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