CN210495720U

CN210495720U - Double-rotation dust and mist purifying device

Info

Publication number: CN210495720U
Application number: CN201921080429.0U
Authority: CN
Inventors: 常玉锋; 贾沛; 石零; 向晓东; 姜学鹏
Original assignee: Jianghan University
Current assignee: Jianghan University
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-12
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a two-rotation dust and mist purification device, including shell and absorption tube, the upper and lower interval certain distance is equipped with card and lower card in the shell, the shell lower part is equipped with the flue rather than inside intercommunication, absorption tube is columniform shell structure, a plurality of absorption tubes are fixed at last card and lower card between, upward be equipped with the venthole with the absorption tube intercommunication on the card, open absorption tube lateral wall lower part has a plurality of whirl holes tangent with the absorption tube lateral wall, be equipped with the inlet port with whirl hole intercommunication on the card down, be equipped with in the absorption tube about both ends respectively with last card and the fixed whirl post of card down, whirl post external surface mounting has guide vane, guide vane's spiral mode is the Archimedes helix from bottom to top, the card below is equipped with atomizer down. The utility model aims at providing a two-rotation dust and mist purification device adopts two-rotation mode, and the supersaturated flue gas forms strong outer air current that rises of whirling in the absorbing cylinder through whirl hole and whirl post, carries out centrifugal purification.

Description

Double-rotation dust and mist purifying device

Technical Field

The utility model relates to a dirt fog purifies technical field, concretely relates to bispin dirt fog purifier.

Background

Wet dust removal is a method of cleaning a gas by sufficiently contacting a dust-containing gas with a cleaning liquid (generally water) to remove dust particles. The dust removing mode has simple structure and low cost, is especially suitable for treating high temperature, high humidity, inflammable and explosive dusty gas, and is widely applied to air pollution control and gas purification of various departments in industrial production.

Compared with high-efficiency dust collectors such as bag-type dust collectors and electrostatic dust collectors (including wet electrostatic dust collectors), the existing wet dust removal (demisting) equipment has lower dust removal efficiency.

In order to overcome the technical defects, the patent technology of a flexible fiber spiral line demisting device (ZL201320783148.8) is disclosed by Shiji, Daidandong, Wugaogong and the like, the flexible fiber spiral line demisting device is installed in a pipeline, the composite demisting (dust removal) effects of collision, interception, centrifugal separation and the like of a fiber net on water mist are fully utilized, and the demisting efficiency is high. Because flexible fiber spiral line adopts inverter motor drive, the structure is more complicated than general wet dedusting equipment, and inverter motor's operational environment is comparatively abominable in addition, and routine maintenance is inconvenient.

Zhongqi discloses a patent technology of 'high-efficiency micro-cyclone dust and mist removal device' (ZL20152059474.2), the technology realizes the centrifugal separation of dusty airflow through a micro-cyclone blade arranged on a micro-cyclone central cylinder, and the technology is matched with an atomizing nozzle for use in industrial application, so that the dust removal (mist removal) efficiency is relatively high. Because the rotation of the airflow is realized only by the micro-cyclone blades, the centrifugal separation effect is reduced sharply along with the increase of the diameter of the cyclone cylinder. When large-flow flue gas with large section is treated, the number of the cyclone cylinders is increased, the structure is relatively complex, and the workload of daily maintenance is large.

SUMMERY OF THE UTILITY MODEL

According to prior art's is not enough, the utility model aims at providing a two-rotation dust and fog purifier, through set up the whirl post in the absorbing cylinder and be fixed with guide vane in the outside of whirl post to and design into archimedes's helix from bottom to top with guide vane's spiral mode, thereby make the supersaturated flue gas carry out centrifugal separation by arranging to the absorbing cylinder inner wall many times, reach the effect of purifying dusty flue gas.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a double-rotation dust and mist purification device comprises a shell and an absorption cylinder, wherein an upper flower plate and a lower flower plate are arranged in the shell at a certain distance from top to bottom, a flue communicated with the interior of the shell is arranged at the lower part of the shell, the absorption cylinder is of a cylindrical shell structure, a plurality of absorption cylinders are fixed between the upper flower plate and the lower flower plate, an air outlet hole communicated with the absorption cylinder is formed in the upper flower plate, a plurality of rotation flow holes tangent to the side wall of the absorption cylinder are formed in the lower part of the side wall of the absorption cylinder, an air inlet hole communicated with the rotation flow holes is formed in the lower flower plate, a rotation flow column with the upper end and the lower end respectively fixed with the upper flower plate and the lower flower plate is arranged in the absorption cylinder, a guide vane is fixed on the outer surface of the rotation flow column, the spiral mode of the guide vane is an Archimedes spiral line from bottom to top, and an atomization spray, the atomizer is mounted on a water inlet pipe passing through the housing.

Further, two dust and mist purification device that revolve still includes sewage collection device, sewage collection device includes the air current equipartition board, catchments the basin and blow off pipe, the air current equipartition board sets up flower plate below down, the certain angle of air current equipartition board tilt up, it establishes to catchments the basin the air current equipartition board outer lane, the blow off pipe passes the shell with it link up to catchment the basin.

Furthermore, the inclination angle of the air flow uniform distribution plate is 5-10 degrees.

Furthermore, a plurality of upwards-protruding air holes are uniformly formed in the air flow uniform distribution plate.

Further, the absorption cylinder and the swirling flow column are coaxially arranged.

Further, the atomizing nozzle and the shell are coaxially arranged.

Furthermore, the upper end and the lower end of the rotational flow column are respectively fixed on the upper pattern plate and the lower pattern plate through cross-shaped support frames.

Further, the flue is fixed on the shell through a flange.

Further, the number of the swirl holes is 3 to 4.

Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:

1. a bispin dust and mist purifier, adopt the bispin mode, the supersaturation flue gas forms strong outer updraft that revolves respectively in the absorption cylinder through whirl hole and whirl post, the supersaturation flue gas velocity of flow is higher, centrifugal force is big more, centrifugal separation's effect is stronger more, purification efficiency is higher.

2. A two-rotation dust and mist purification device, dirty gas in proper order with the water film on the air current equipartition board, the water film contact of the thin water smoke that atomizer formed and absorption section of thick bamboo inner wall, dust removal (defogging) under the multimachine mechanism effect is efficient.

3. A two soon dust and mist purifier, the dust and the liquid drop of catching on the absorption cylinder inner wall form continuous water film and be difficult for being smugglied secretly by high velocity air and get into the air current, consequently do not have because the secondary of smoke and dust/liquid drop drops and lead to the condition that purification efficiency reduces.

4. A two soon dust and mist purifier, main resistance component are air current equipartition board, whirl hole and whirl post etc. therefore the body resistance is little, the event need not to change the operating condition of original clean system fan.

5. A two characteristics such as rotatory dirt fog purifier, it is high, simple structure to have purification efficiency, extensively is applicable to wet dedusting, defogging and gas cleaning technical field.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention;

fig. 3 is a bottom view of the absorption cylinder of the present invention;

FIG. 4 is a schematic cross-sectional view of another embodiment of the present invention;

fig. 5 is the schematic structural diagram of the air distribution plate of the present invention.

In the figure: 1. a housing; 2. mounting a pattern plate; 3. an absorption cylinder; 4. a swirling flow column; 5. a guide vane; 6. a swirl hole; 7. a water inlet pipe; 8. an atomizing spray head; 9. a flange; 10. a blow-off pipe; 11. a water collecting tank; 12. an air flow uniform distribution plate; 13. a lower pattern plate; 14. a support frame; 15. air holes; 16. an air inlet; 17. and an air outlet.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1-3, a double-cyclone dust and mist purifying device comprises a housing 1 and an absorption cylinder 3, the housing 1 is a cylindrical cavity structure with two open ends, an upper flower plate 2 and a lower flower plate 13 are arranged in the housing 1 at a certain distance from top to bottom, a flue (not shown in the figure) communicated with the interior of the housing 1 is arranged at the lower part of the housing 1, dust-containing air flow enters the lower part of the housing 1 from the flue and then rises, the absorption cylinder 3 is a cylindrical shell structure, a plurality of absorption cylinders 3 are fixed between the upper flower plate 2 and the lower flower plate 13, an air outlet 17 communicated with the absorption cylinder 3 is arranged on the upper flower plate 2, a plurality of cyclone holes 6 tangential to the side wall of the absorption cylinder 3 are arranged at the lower part of the side wall of the absorption cylinder 3, the number of the cyclone holes 6 is 3 to 4, the plurality of cyclone holes 6 are centrally and symmetrically distributed by centering on the absorption cylinder 3, an air inlet 16 communicated with the cyclone hole 6 is arranged on the lower flower plate 13, a cyclone column 4 with the upper flower, the outer surface of the swirling flow column 4 is fixed with a guide vane 5, the spiral mode of the guide vane 5 is an Archimedes spiral line from bottom to top, an atomizing nozzle 8 is arranged below the lower flower plate 13, and the atomizing nozzle 8 is arranged on a water inlet pipe 7 penetrating through the shell 1.

In the use process, the atomizing nozzle 8 is opened, water mist is formed below the lower flower plate 13, the water mist falls down from top to bottom under the action of gravity, the dusty airflow enters the shell 1 from the flue, the dusty airflow moves in a countercurrent mode with the falling water mist in the ascending process and fully contacts with the dusty airflow, part of the dusty airflow falls down under the action of gravity after being collected by the water mist, and the other part of the dusty airflow forms supersaturated smoke to ascend. The supersaturated wet flue gas tangentially enters the absorption cylinder 3 through the swirl holes 6 on the lower side wall of the absorption cylinder 3, and forms spirally-rising rotating airflow in the absorption cylinder 3. Because the centrifugal force of the air flow close to the middle part of the absorption cylinder 3 is weaker, and the spiral mode of the guide vanes 5 is an Archimedes spiral line from bottom to top, the air flow is ensured to have the same stroke from bottom to top, during the rising process of the supersaturated wet flue gas, the supersaturated wet flue gas is disturbed for a plurality of times by the guide vanes 5 on the swirl column 4 when passing through the swirl column 4, a strong outward swirling air flow is formed between the swirl column 4 and the absorption cylinder 3, water drops and dust in the supersaturated wet flue gas are continuously driven to the inner wall of the absorption cylinder 3 under the action of the centrifugal force and are trapped, and the purified gas is discharged from the air outlet 17 on the upper flower plate 2 communicated with the absorption cylinder 3. The dust and water drops trapped on the inner wall of the absorption cylinder 3 flow downwards along the wall surface of the absorption cylinder 3 under the action of gravity, and the collected dust and water flow through the swirl holes 6 and then fall down.

The utility model discloses in, can evenly arrange an absorption section of thick bamboo according to the size of flue.

Referring to fig. 4 and 5, in another embodiment, if the original flue bottom is not provided with a sewage collecting device, this double-rotation dust and mist purifying device can be provided with a sewage collecting device, further collect the sewage that falls, the sewage collecting device of this device includes an airflow uniform distribution plate 12, a water collecting tank 11 and a sewage discharge pipe 10, the airflow uniform distribution plate 12 is arranged below a lower flower plate 13, the airflow uniform distribution plate 12 inclines upwards by a certain angle, the water collecting tank 11 is arranged outside the airflow uniform distribution plate 12, so that the dust and water can be discharged into the water collecting tank conveniently, and the sewage discharge pipe 10 penetrates through the housing 1 and is communicated with the water collecting tank 11. The utility model discloses in, the inclination of air current equipartition board 12 is 5 to 10 degrees.

In the use process, the atomizing nozzle 8 is opened, fine water mist is formed between the airflow uniform distribution plate 12 and the lower flower plate 13, the fine water mist falls down from top to bottom under the action of gravity, dust-containing airflow enters the shell 1 from the flue and contacts with a water film on the airflow uniform distribution plate 12 firstly, the airflow moves in a countercurrent mode in the ascending process of the airflow and the falling fine water mist and is fully contacted, part of dust is collected by the water mist and then falls into the airflow uniform distribution plate 12 under the action of gravity, the dust flows into the water collecting groove 11 on the outer ring of the airflow uniform distribution plate 12 and then is discharged from the drain pipe 10, and the other part of dust-containing airflow forms supersaturated smoke and rises. The supersaturated wet flue gas tangentially enters the absorption cylinder 3 through a cyclone hole 6 on the lower side wall of the absorption cylinder 3, a spirally-rising rotating airflow is formed in the absorption cylinder 3, under the action of a guide vane 5 of an Archimedes spiral from bottom to top, the supersaturated wet flue gas forms a strong outward-swirling airflow between the cyclone column 4 and the absorption cylinder 3, water drops and dust in the wet flue gas are continuously driven to the inner wall of the absorption cylinder 3 under the action of centrifugal force and are captured, and the purified gas is discharged from an air outlet 17 on an upper flower plate 2 communicated with the absorption cylinder 3. The dust and water drops trapped by the inner wall of the absorption cylinder 3 flow downwards along the wall surface under the action of gravity, and the collected dust and water flow falls onto the uniform airflow distribution plate 12 after flowing through the swirl holes 6 and then enters the water collection tank 11 to be discharged from the sewage discharge pipe 10.

Part of the water mist formed by the atomizing nozzle 8 enters the absorption cylinder 3 along with the dust-containing air flow, and part of the water mist with dust particles falls into the air flow uniform distribution plate 12 and then enters the water collecting tank 11.

Referring to figures 1 and 4, to facilitate the entry of the dusty gas stream into the housing 1, the flue is secured to the lower part of the housing 1 by a flange 9.

Referring to fig. 4 and 5, in order to facilitate the flow convergence, the falling water can be converged into the water converging tank 11 around the air distribution plate 12, and the inclination angle of the air distribution plate 12 is 5 to 10 degrees.

Referring to fig. 4 and 5, in order to prevent the separated and fallen water from falling below the air distribution plate 12 through the holes on the air distribution plate 12, a plurality of upwardly protruding air holes 15 are uniformly formed on the air distribution plate 12 to prevent the water film from flowing down. In the manufacturing process, the punch does not need to be ground flat, and the bulge part formed after punching is used for blocking the flowing of the water film.

Referring to fig. 1 to 4, in order to reduce the resistance, increase the centrifugal force, and further improve the flue gas purification effect, the absorption cylinder 3 and the cyclone column 4 may be coaxially arranged.

Referring to fig. 1 and 4, in order to ensure uniform contact and mixing of the dusty gas stream with the water mist, an atomizer head 8 may be arranged coaxially with the housing 1.

Referring to fig. 2 and 3, the upper and lower ends of the swirling flow column 4 are respectively fixed on the upper and

lower flower plates

2 and 13 by cross-shaped support frames 14.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a two rotatory dust and mist purifier which characterized in that: comprises a shell and an absorption cylinder, an upper pattern plate and a lower pattern plate are arranged in the shell at a certain distance from top to bottom, the lower part of the shell is provided with a flue communicated with the interior of the shell, the absorption cylinders are of cylindrical shell structures, a plurality of absorption cylinders are fixed between the upper pattern plate and the lower pattern plate, the upper flower plate is provided with an air outlet communicated with the absorption cylinder, the lower part of the side wall of the absorption cylinder is provided with a plurality of swirl holes tangential to the side wall of the absorption cylinder, the lower pattern plate is provided with an air inlet communicated with the rotational flow hole, the absorption cylinder is internally provided with a rotational flow column of which the upper end and the lower end are respectively fixed with the upper pattern plate and the lower pattern plate, the outer surface of the rotational flow column is fixed with a guide vane, the spiral mode of the guide vane is an Archimedes spiral line from bottom to top, and an atomizing nozzle is arranged below the lower pattern plate and is arranged on a water inlet pipe penetrating through the shell.

2. The double-cyclone dust and mist purification device of claim 1, wherein: the double-rotation dust and mist purification device further comprises a sewage collection device, the sewage collection device comprises an air flow uniform distribution plate, a water gathering groove and a drain pipe, the air flow uniform distribution plate is arranged below the lower pattern plate, the air flow uniform distribution plate is inclined upwards by a certain angle, the water gathering groove is arranged on the outer ring of the air flow uniform distribution plate, and the drain pipe penetrates through the shell and is communicated with the water gathering groove.

3. The double-cyclone dust and mist purification device of claim 2, wherein: the inclination angle of the air flow uniform distribution plate is 5-10 degrees.

4. The double-cyclone dust and mist purification apparatus as claimed in claim 3, wherein: a plurality of upwards-protruding air holes are uniformly formed in the air flow uniform distribution plate.

5. The double-cyclone dust and mist purification device of claim 1, wherein: the absorption cylinder and the rotational flow column are coaxially arranged.

6. The double-cyclone dust and mist purification device of claim 1, wherein: the atomization nozzle and the shell are coaxially arranged.

7. The double-cyclone dust and mist purification apparatus as claimed in any one of claims 1 to 6, wherein: the upper end and the lower end of the rotational flow column are respectively fixed on the upper pattern plate and the lower pattern plate through cross-shaped support frames.

8. The double-cyclone dust and mist purification apparatus as claimed in any one of claims 1 to 6, wherein: the flue is fixed on the shell through a flange.

9. The double-cyclone dust and mist purification apparatus as claimed in any one of claims 1 to 6, wherein: the number of the swirl holes is 3 to 4.