CN215352759U - Reverse rotational flow demisting device - Google Patents
Reverse rotational flow demisting device Download PDFInfo
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- CN215352759U CN215352759U CN202121464670.0U CN202121464670U CN215352759U CN 215352759 U CN215352759 U CN 215352759U CN 202121464670 U CN202121464670 U CN 202121464670U CN 215352759 U CN215352759 U CN 215352759U
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Abstract
The utility model relates to the technical field of demisting devices, and particularly discloses a reverse rotational flow demisting device which comprises a demisting box body, wherein the top of the demisting box body is communicated with an exhaust pipe, a rotational flow component is arranged below the exhaust pipe, a demisting plate and a spraying component are sequentially arranged below the rotational flow component in the demisting box body from top to bottom, and an air inlet pipe is arranged at the position, below the spraying component, of the side wall of the demisting box body; the cyclone component comprises a gathering part arranged in the demisting box body, the gathering part is a horn tube structure with the diameter gradually reduced from bottom to top, and the cyclone structure is installed at the upper end of the gathering part through a support frame. The reverse rotational flow demisting device provided by the utility model is provided with the spraying component, the demisting plate and the rotational flow component, and can remove fog drops in gas through three demisting processes, so that the demisting efficiency is greatly improved, the demisting effect is enhanced, and the pollutant emission is reduced.
Description
Technical Field
The utility model relates to the technical field of demisting devices, in particular to a reverse rotational flow demisting device.
Background
The flue gas after wet desulphurization contains a large amount of fog drops, which are composed of slurry liquid drops, dust and condensed liquid drops, the emission standard of atmospheric pollutants is becoming stricter, and the industries of coal-fired boilers, steel, cement and the like gradually develop ultra-low emission reconstruction work.
However, the existing cyclone demister is poor in demisting effect and cannot meet the requirements of people.
In order to solve the problems, the utility model provides a reverse rotational flow demisting device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that the demisting effect of a cyclone demister in the prior art is poor.
(II) technical scheme
The technical scheme adopted by the utility model for solving the technical problems is as follows: a reverse rotational flow demisting device comprises a demisting box body, wherein the top of the demisting box body is communicated with an exhaust pipe, a rotational flow component is arranged below the exhaust pipe, a demisting plate and a spray component are sequentially arranged below the rotational flow component in the demisting box body from top to bottom, and an air inlet pipe is arranged at the position, below the spray component, of the side wall of the demisting box body;
the cyclone component comprises a gathering part arranged in the demisting box body, the gathering part is of a horn tube structure with the diameter gradually reduced from bottom to top, and the upper end of the gathering part is provided with a cyclone structure through a support frame; a filter cylinder is arranged between the gathering part and the exhaust pipe, and a condenser is arranged on the inner wall of the gathering part;
the collecting part is communicated with a drain pipe, and the drain pipe extends to the inner bottom position of the demisting box body; the inner wall of the lower end of the gathering part has the functions of guiding and increasing the contact area of the fog drops gathered between the gathering part and the demisting plate, so that the demisting effect is improved; the outer wall of the upper end of the gathering part has a gathering effect on the fog drops processed by the cyclone structure, so that the fog drops can be gathered and discharged from the water discharge pipe.
In the technical scheme, a worker firstly introduces gas into the demisting box through the gas inlet pipe, and the gas is sprayed and washed through the matching of the spraying part and the demisting plate, so that water sprayed out of the gas is mixed with the gas, fog drops in the gas fall into the demisting box along with water drops, and preliminary demisting is realized; the preliminarily demisted gas enters between the gathering part and the demisting plate through the demisting plate and is acted by the condenser, so that the temperature of the gas between the gathering part and the demisting plate is reduced, fog drops in the gas are condensed, the contact area between the fog drops and the gathering part is increased by the special structure of the gathering part, the fog drops are condensed and attached to the inner wall of the gathering part under the action of the condenser, the demisting effect of the device is increased, the device can meet the requirements of people, and secondary demisting is realized; the gas after the secondary defogging generates the whirl collision behind the whirl structure, forms the vortex, because of its inside droplet is different with gaseous density, so throws away the droplet vortex cyclone, through straining a section of thick bamboo, makes the droplet adhere to on defogging box inner wall, flows to the drain pipe through the gathering portion, reaches gas-liquid separation and gets the purpose, guarantees the functional complete of device.
Preferably, a collection cavity is formed between the filter cylinder and the inner wall of the demisting box body, and the upper end opening of the drain pipe is positioned at the bottom of the collection cavity; wherein the filter cylinder is evenly distributed with filter holes.
In the technical scheme, the gas after secondary demisting continuously rises and passes through the cyclone structure, so that the fog drops gradually rotate under the action of centrifugal force to form a vortex, the fog drops are thrown out of the vortex cyclone because the density of the fog drops and the gas in the fog drops is different, the fog drops enter the collection cavity from the filter hole of the filter cylinder, and the collected liquid drops flow into the drain pipe from the upper port of the drain pipe on the gathering part and flow to the bottom of the storage box body through the drain pipe.
Preferably, the spray component comprises a water inlet pipe which is connected into the interior of the demisting box body from the exterior of the demisting box body, a plurality of spray heads are evenly arranged on the water inlet pipe, the spray heads face towards the demisting plate, and a plurality of air holes are evenly arranged on the demisting plate.
In above-mentioned technical scheme, the shower nozzle cooperatees with the inlet tube and forms water smoke on the water impact defogging board towards the defogging board blowout, makes water smoke and gas mixture, thereby has improved the contact of water with gas, makes the droplet in the gas along with the water droplet falls to the defogging box in, realizes preliminary defogging, and the shower nozzle is favorable to falling attached to the droplet on the defogging board to wash to the box in with the water spray on the defogging board.
Preferably, a hollow inverted cone-shaped water collecting tank is arranged in the middle of the upper end face of the demisting plate, and a water through hole is formed in the middle of the water collecting tank.
In above-mentioned technical scheme, the setting of gathering the basin on the defogging board is favorable to making the fog droplet that condenses and attach to the inner wall of gathering portion by the effect of condenser drop on the defogging board and flow to through-hole department and fall to in the defogging box along the inner wall of gathering the basin.
Preferably, the defogging plate is provided with a through hole matched with the drain pipe, and the drain pipe penetrates through the through hole.
Preferably, the rotational flow structure comprises an inner core and an outer pipe which are coaxially arranged, and a plurality of rotational flow blades which are uniformly spaced along the circumferential direction and rotate in the same direction are arranged on the outer wall of the inner core.
In the above technical scheme, the outer pipe and the inner core are fixedly connected through at least two connecting plates spaced along the circumferential direction without influencing the smoke circulation.
Preferably, the bottom of the demisting box body is communicated with a drain pipe, and the drain pipe penetrates through the side wall of the demisting box body in a sealing manner and extends to the outside of the demisting box body.
(III) advantageous effects
1. The reverse rotational flow demisting device provided by the utility model is provided with the spraying component, the demisting plate and the rotational flow component, and can remove fog drops in gas through three-time demisting, so that the demisting efficiency is greatly improved, the demisting effect is enhanced, and the pollutant emission is reduced.
2. According to the reverse rotational flow demisting device provided by the utility model, gas is introduced into the demisting box body through the gas inlet pipe, water is sprayed towards the demisting plate through the matching of the spray head in the spray component and the water inlet pipe, the water impacts the demisting plate to form water mist, and the water mist is mixed with the gas, so that the contact between the water and the gas is improved, and the mist drops in the gas fall into the demisting box body along with the water drops, and the preliminary demisting is realized.
3. The utility model provides a reverse rotational flow demisting device, wherein gas subjected to preliminary demisting enters between an aggregation part and a demisting plate through a vent hole of the demisting plate, and is subjected to the action of a condenser, so that the temperature of the gas between the aggregation part and the demisting plate is reduced to condense fog drops in the gas, the contact area between the fog drops and the aggregation part is increased by the special structure of the aggregation part, the fog drops are condensed and attached to the inner wall of the aggregation part under the action of the condenser, and the arrangement of a water collecting groove on the demisting plate is beneficial to enabling the fog drops attached to the inner wall of the aggregation part to fall into a demisting box body along the inner wall of the water collecting groove on the demisting plate and flow to the vent hole to fall into the demisting box body, so that the demisting effect of the device is increased, the device can meet the requirements of people, and secondary demisting is realized.
4. According to the reverse rotational flow demisting device provided by the utility model, rotational flow collision is generated after gas subjected to secondary demisting passes through the rotational flow structure to form a vortex, and due to the fact that the density of mist drops and the density of the gas in the gas are different, the mist drops are thrown out of the vortex cyclone, the mist drops are attached to the inner wall of the demisting box body through the filter cylinder and flow to the drain pipe through the gathering part, tertiary demisting is realized, the purpose of gas-liquid separation is achieved, and the functional integrity of the device is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall sectional structure of the present invention;
FIG. 3 is a schematic view of the storage case of the present invention with the storage case omitted;
fig. 4 is a schematic diagram of a defogging plate structure according to the present invention.
Wherein: 1 demisting box body, 11 exhaust pipes, 12 air inlet pipes, 2 cyclone components, 21 gathering parts, 22 cyclone structures, 221 inner core, 222 outer pipe, 223 cyclone blades, 23 filter cartridge, 24 condenser, 25 drain pipe, 26 collecting cavity, 3 demisting plate, 31 vent hole, 32 water collecting tank, 33 water through hole, 34 through hole, 4 spray component, 41 water inlet pipe and 42 spray head.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1-4, a reverse rotational flow demisting device comprises a demisting box body 1, wherein the top of the demisting box body 1 is communicated with an exhaust pipe 11, a rotational flow component 2 is arranged below the exhaust pipe 11, a demisting plate 3 and a spray component 4 are sequentially arranged below the rotational flow component 2 in the demisting box body 1 from top to bottom, and an air inlet pipe 12 is arranged at a position, below the spray component 4, of the side wall of the demisting box body 1;
referring to fig. 2-3, the swirling component 2 includes a gathering portion 21 disposed in the defogging box body 1, the gathering portion 21 is a horn tube structure with a diameter gradually decreasing from bottom to top, and a swirling structure 22 is mounted at an upper end of the gathering portion 21 through a support frame; a filter cartridge 23 is arranged between the gathering part 21 and the exhaust pipe 11, and a condenser 24 is arranged on the inner wall of the gathering part 21;
a drain pipe 25 is communicated with the gathering part 21, and the drain pipe 25 extends to the bottom position in the demisting box body 1; wherein, the lower end inner wall of the gathering part 21 has the functions of guiding and increasing the contact area of the fog drops gathered between the gathering part 21 and the demisting plate 3, thereby improving the demisting effect; the outer wall of the upper end of the collecting part 21 has a collecting effect on the mist droplets processed by the swirling structure 22 so that the mist droplets can be collected and discharged from the drain pipe 25.
In the technical scheme, a worker firstly introduces gas into the demisting box body 1 through the gas inlet pipe 12, and the gas is sprayed and washed through the matching of the spraying part 4 and the demisting plate 3, so that water sprayed out of the gas is mixed with the gas, and mist drops in the gas fall into the demisting box body 1 along with water drops, thereby realizing preliminary demisting; the gas after preliminary defogging enters the space between the gathering part 21 and the defogging plate 3 through the defogging plate 3 and is acted by the condenser 24, so that the temperature of the gas between the gathering part 21 and the defogging plate 3 is reduced to condense the fog drops in the gathering part, the special structure of the gathering part 21 increases the contact area between the fog drops and the gathering part 21, the fog drops are condensed and attached to the inner wall of the gathering part 21 under the action of the condenser 24, the defogging effect of the device is increased, the device can meet the requirements of people, and secondary defogging is realized; the gas after the secondary defogging generates cyclone collision after passing through the cyclone structure 22 to form vortex, and because of the difference between the fog drops in the gas and the gas density, the fog drops are thrown out of the cyclone vortex, and through the filter cartridge 23, the fog drops are attached to the inner wall of the defogging box body 1 and flow to the drain pipe 25 through the gathering part 21, so that the purpose of gas-liquid separation is achieved, and the functional integrity of the device is ensured.
A collection cavity 26 is formed between the filter cylinder 23 and the inner wall of the demisting tank body 1, and the upper end opening of the drain pipe 25 is positioned at the bottom of the collection cavity 26; wherein the filter cartridge 23 is provided with filter holes uniformly distributed thereon.
In the above technical solution, the gas after the secondary demisting continuously rises and passes through the cyclone structure 22, so that the mist drops gradually rotate under the action of centrifugal force to form a vortex, and because the density of the mist drops in the gas is different from that of the gas, the mist drops are thrown out of the vortex cyclone, the mist drops enter the collection cavity 26 from the filter hole of the filter cartridge 23, and the collected liquid drops flow into the drain pipe 25 from the upper port of the drain pipe 25 on the gathering part 21 and flow to the bottom of the storage box body through the drain pipe 25.
The spray component 4 comprises a water inlet pipe 41 which is connected into the interior of the demisting box body 1 from the exterior of the demisting box body 1, a plurality of spray heads 42 are evenly arranged on the water inlet pipe 41, the spray heads 42 face the demisting plate 3, and a plurality of vent holes 31 are evenly arranged on the demisting plate 3.
In above-mentioned technical scheme, shower nozzle 42 cooperatees with inlet tube 41 and forms water smoke on water towards defogging board 3 blowout, and the water-washed strikes defogging board 3 for water smoke and gas mixture, thereby improved the contact of water with gaseous, make the droplet in the gas along with the water droplet falls to defogging box 1 in, realize preliminary defogging, and shower nozzle 42 with water spout defogging board 3 on be favorable to with attached to the droplet on the defogging board 3 wash to defogging box 1 in.
Referring to fig. 4, a hollow inverted cone-shaped water collecting tank 32 is disposed in the middle of the upper end surface of the defogging plate 3, and a water through hole 33 is disposed in the middle of the water collecting tank 32.
In the above technical solution, the arrangement of the water collecting groove 32 on the defogging plate 3 is beneficial to the fog drops condensed by the condenser 24 and attached to the inner wall of the collecting portion 21 to fall on the defogging plate 3 to flow to the water through hole 33 along the inner wall of the water collecting groove 32 and fall into the defogging box 1.
The defogging plate 3 is provided with a through hole 34 matched with the drain pipe 25, and the drain pipe 25 passes through the through hole 34.
The swirling structure 22 comprises an inner core 221 and an outer tube 222 which are coaxially arranged, and a plurality of swirling blades 223 which are uniformly spaced along the circumferential direction and rotate in the same direction are arranged on the outer wall of the inner core 221.
In the above technical solution, the outer tube 222 and the inner core 221 are fixedly connected through at least two connecting plates spaced along the circumferential direction without affecting the fixed connection structure of the smoke flow, so that the outer tube 222 and the inner core 221 are fixedly connected.
The bottom of the demisting box body 1 is communicated with a drain pipe, and the drain pipe penetrates through the side wall of the demisting box body 1 in a sealing manner and extends to the outside of the demisting box body 1.
During specific work, gas is introduced into the demisting box body 1 through the gas inlet pipe 12, water is sprayed out towards the demisting plate 3 through the matching of the spray head 42 in the spray part 4 and the water inlet pipe 41, the water impacts the demisting plate 3 to form water mist, and the water mist is mixed with the gas, so that the contact between the water and the gas is improved, the mist drops in the gas fall into the demisting box body 1 along with the water drops, and preliminary demisting is realized; the primarily demisted gas enters the space between the gathering part 21 and the demisting plate 3 through the vent holes 31 of the demisting plate 3 and is acted by the condenser 24, so that the temperature of the gas between the gathering part 21 and the demisting plate 3 is reduced to condense the mist inside the gathering part, the special structure of the gathering part 21 increases the contact area between the mist and the gathering part 21, the mist is condensed and attached to the inner wall of the gathering part 21 under the action of the condenser 24, the arrangement of the water collecting groove 32 on the demisting plate 3 is beneficial to enabling the mist attached to the inner wall of the gathering part 21 to fall on the demisting plate 3 and flow to the water through holes 33 along the inner wall of the water collecting groove 32 to fall into the demisting box body 1, thereby increasing the demisting effect of the device, enabling the device to meet the requirements of people and realizing secondary demisting; the gaseous whirl collision that produces behind whirl structure 22 after through the secondary defogging forms the vortex, because of its inside droplet is different with gaseous density, so throws away the vortex cyclone with the droplet, through straining a section of thick bamboo 23, makes the droplet adhere to on defogging box 1 inner wall, flows to drain pipe 25 through gathering portion 21, realizes the cubic defogging, reaches gas-liquid separation and gets the purpose, guarantees the functional complete of device.
The spray component 4, the demisting plate 3 and the rotational flow component 2 are arranged in the demisting device, so that the fog drops in the gas can be removed through three demisting processes, the demisting efficiency is greatly improved, the demisting effect is enhanced, and the pollutant emission is reduced.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a reverse whirl defogging device, includes defogging box (1), its characterized in that: the top of the demisting box body (1) is communicated with an exhaust pipe (11), a cyclone component (2) is arranged below the exhaust pipe (11), a demisting plate (3) and a spraying component (4) are sequentially arranged at the position below the cyclone component (2) in the demisting box body (1) from top to bottom, and an air inlet pipe (12) is arranged at the position, below the spraying component (4), of the side wall of the demisting box body (1);
the cyclone component (2) comprises a gathering part (21) arranged in the demisting box body (1), the gathering part (21) is of a horn tube structure with the diameter gradually reduced from bottom to top, and the upper end of the gathering part (21) is provided with a cyclone structure (22) through a support frame; a filter cylinder (23) is arranged between the gathering part (21) and the exhaust pipe (11), and a condenser (24) is arranged on the inner wall of the gathering part (21);
the gathering part (21) is communicated with a drain pipe (25), and the drain pipe (25) extends to the bottom position in the demisting box body (1).
2. A reverse cyclonic defogging device as recited in claim 1, wherein: a collection cavity (26) is formed between the filter cylinder (23) and the inner wall of the demisting box body (1), and the upper end opening of the drain pipe (25) is positioned at the bottom of the collection cavity (26).
3. A reverse cyclonic defogging device as recited in claim 1, wherein: the spray component (4) comprises a water inlet pipe (41) which is connected into the demisting box body (1) from the outside of the demisting box body (1), a plurality of spray heads (42) are evenly arranged on the water inlet pipe (41), and the spray heads (42) face the demisting plate (3).
4. A reverse cyclonic defogging device as recited in claim 3, wherein: the demisting plate is characterized in that a plurality of vent holes (31) are uniformly formed in the demisting plate (3), a hollow inverted conical water collecting tank (32) is arranged in the middle of the upper end face of the demisting plate (3), and a water through hole (33) is formed in the middle of the water collecting tank (32).
5. A reverse cyclonic defogging device as recited in claim 2, wherein: the defogging plate (3) is provided with a through hole (34) matched with the drain pipe (25), and the drain pipe (25) penetrates through the through hole (34).
6. A reverse cyclonic defogging device as recited in claim 1, wherein: the cyclone structure (22) comprises an inner core (221) and an outer pipe (222) which are coaxially arranged, and a plurality of cyclone blades (223) which are uniformly spaced along the circumferential direction and rotate in the same direction are arranged on the outer wall of the inner core (221).
7. A reverse cyclonic defogging device as recited in claim 1, wherein: the bottom of the demisting box body (1) is communicated with a drain pipe, and the drain pipe penetrates through the side wall of the demisting box body (1) in a sealing manner and extends to the outside of the demisting box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464670.0U CN215352759U (en) | 2021-06-30 | 2021-06-30 | Reverse rotational flow demisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464670.0U CN215352759U (en) | 2021-06-30 | 2021-06-30 | Reverse rotational flow demisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215352759U true CN215352759U (en) | 2021-12-31 |
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ID=79606128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121464670.0U Active CN215352759U (en) | 2021-06-30 | 2021-06-30 | Reverse rotational flow demisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215352759U (en) |
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2021
- 2021-06-30 CN CN202121464670.0U patent/CN215352759U/en active Active
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