CN211358175U

CN211358175U - Oil smoke pre-purifier

Info

Publication number: CN211358175U
Application number: CN201921207874.9U
Authority: CN
Inventors: 竹校忠; 孙远强
Original assignee: Hangzhou Dingfei Cnc Technology Co ltd
Current assignee: Hangzhou Dingfei Cnc Technology Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-08-28
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses an oil smoke repurifier, including the tower body, tower body upper end center is provided with the outlet duct that runs through the roof and extend to inside, stretches into and forms annular space between outlet duct in the tower body and the tower body lateral wall, sets up the tangential air inlet by tower body lateral wall tangential direction setting on annular space's the tower body lateral wall, and the tangential air inlet outside is equipped with the surrounding type spiral case air inlet section that is linked together with the tangential air inlet, and annular space upper portion is provided with annular shower. The utility model discloses the outlet duct, the surrounding type spiral case air inlet section and the whirlwind defogging board that stretch into in the tower body of joining can effectually prevent the water film wriggling, prevent the water content of giving vent to anger in the secondary increase outlet duct, have solved that the moisture that gives vent to anger is higher and can not be fine handle the clean problem with the tiny particle smoke and dust.

Description

Oil smoke pre-purifier

Technical Field

The utility model relates to an exhaust-gas treatment technical field especially relates to an oil smoke repurifier.

Background

The smoke emission exists in many industries, and particularly, the smoke emitted from the processes of singeing, scalding, drying, shaping and the like in the textile printing and dyeing industry has great harm to the environment, and the treatment of the smoke is an indispensable link. The existing treatment device generally comprises an air inlet pipe and a cyclone tower, flue gas enters the lower part of the cyclone tower through the air inlet pipe, and is subjected to convection spraying through a spraying pipe in the cyclone tower to achieve the effect of removing large-particle smoke dust, and the flue gas after being sprayed and purified is subjected to simple demisting through a demister on the upper part of the cyclone tower and then is treated by passing through a next-stage treatment device from an air outlet pipe.

However, the flue gas treated by the method has the following problems: 1. the liquid film exists on the inner side wall above the demister in the traditional cyclone tower, and the liquid film can creep and lift at the torrent wind speed, so that the moisture content of the discharged gas is higher, and when higher water vapor is generally contained, the subsequent treatment process is greatly influenced, such as the reduction of the internal voltage of the electrostatic dust collector, ignition and the reduction of the electrostatic dust collection effect are caused; 2. can only be effective for smoke dust with larger particles, and can not well treat small-particle smoke dust.

Aiming at the problems, the oil smoke pre-purifier is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil smoke repurifier possesses the effectual advantage of dust removal and defogging simultaneously, has solved the higher follow-up electrostatic precipitator effect of influence of moisture to can not be fine with the clean problem of tiny particle smoke and dust processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an oil smoke repurifier, includes the tower body, and tower body upper end center is provided with the outlet duct that runs through the roof and extend to inside, stretches into and forms annular space between outlet duct and the tower body lateral wall in the tower body, sets up the tangential air inlet by tower body lateral wall tangential direction setting on annular space's the tower body lateral wall, and the tangential air inlet outside is equipped with the surrounding type spiral case air inlet section that is linked together with the tangential air inlet, and the inside bottom of tower body is provided with the main outlet pipe that runs through the tower body.

Further comprises a horizontal spraying section, a vertical spraying section and a circulating pump, wherein the left end of the horizontal spraying section is communicated and connected with an air inlet pipe, the right end of the horizontal spraying section is communicated and connected with the lower part of the vertical spraying section, the upper end of the vertical spraying section is communicated and connected with a tangential air inlet on the tower body through a surrounding volute air inlet section, the lower ends of the horizontal spraying section and the vertical spraying section are respectively provided with an auxiliary water outlet pipe, the main water outlet pipe and the auxiliary water outlet pipe are respectively communicated and connected with an oil-water separation tank through a main water return pipe,

furthermore, a plurality of spray heads are arranged in the horizontal spray section and the vertical spray section, and each spray head is communicated with the circulating pump through a guide pipe.

Furthermore, the upper part of the annular space is provided with an annular spraying pipe, a plurality of spray heads are uniformly arranged on the annular spraying pipe, and the circulating pump is connected with the annular spraying pipe in a water supply communication manner.

Further, the spray head is a spiral spray head.

Furthermore, a cyclone demisting plate is arranged below the air inlet section of the surrounding volute between the outer side of the air outlet pipe in the annular space and the inner side wall of the tower body.

Furthermore, a cross vortex-proof plate is arranged at the top end of the main water outlet pipe arranged in the tower body.

Furthermore, a separation plate is arranged between the cross vortex-proof plate and the air outlet pipe.

Furthermore, the air inlet of the air inlet section of the surrounding volute casing is tangent to the outer side wall of the tower body.

Further, the device also comprises a honeycomb electrostatic dust collector and a fan, wherein the air outlet pipe is sequentially communicated and connected with the honeycomb electrostatic dust collector and the fan through a ventilation pipe.

Compared with the prior art, the utility model beneficial effect who has is:

1. the added surrounding volute air inlet section and the air outlet pipe extending into the tower body change the direction of air flow by means of centrifugal force, so that water film creeping can be effectively prevented, the water content of the outlet air is obviously reduced, and the problems that the outlet air contains high water vapor and small-particle smoke dust cannot be well treated are solved;

2. the horizontal spraying section and the vertical spraying section are added, so that turbid flue gas can be fully moistened, and large-particle smoke dust can be better removed under the action of centrifugal force; the annular spraying pipe sprays water, flue gas and water fully mix once more under the whirlwind state, and the smoke and dust is got rid of through centrifugal force under abundant moist state, gets back to the oil water separation case through the return water house steward, is got rid of by the separation of oil water separation case to alleviate honeycomb electrostatic precipitator's removal pressure, made the tiny particle smoke and dust get rid of more effectively.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of a structure of a pre-cleaner for cooking fumes;

fig. 2 is a schematic diagram of a longitudinal sectional structure of an oil smoke pre-purifier provided by the present invention;

fig. 3 is a schematic diagram of a cross-sectional structure of an oil smoke pre-purifier provided by the present invention;

fig. 4 is a schematic view of a three-dimensional structure of an oil smoke pre-purifier provided by the present invention;

fig. 5 is a schematic diagram of the tower body explosion structure of the lampblack pre-purifier.

In the figure: the device comprises a tower body 1, a gas outlet pipe 2, an annular space 3, a tangential gas inlet 4, a surrounding volute gas inlet section 5, an annular spray pipe 6, a main water outlet pipe 7, a cyclone demisting plate 8, a cross vortex-proof plate 9, a partition plate 10, a horizontal spray section 11, a vertical spray section 12, a circulating pump 13, an auxiliary water outlet pipe 14, an oil-water separation tank 15 and a honeycomb electrostatic dust collector 16.

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.

Referring to fig. 1-5, an oil smoke pre-purifier, including tower body 1, a serial communication port, tower body 1 upper end center is provided with runs through the roof and extends to inside outlet duct 2, form annular space 3 between outlet duct 2 and the tower body 1 lateral wall in stretching into tower body 1, set up the tangential air inlet 4 that sets up by tower body 1 lateral wall tangential direction on annular space 3's the tower body 1 lateral wall, the tangential air inlet 4 outside is equipped with the surrounding type spiral case air inlet section 5 that is linked together with tangential air inlet 4, 3 upper portions of annular space are provided with annular shower 6, evenly be provided with a plurality of shower nozzles on the annular shower 6, the inside bottom of tower body 1 is provided with main outlet pipe 7 that runs through tower body 1.

The horizontal spray section 11, the vertical spray section 12 and the circulating pump 13 are also included, the left end of the horizontal spray section 11 is communicated and connected with the air inlet pipe, the right end of the horizontal spray section 11 is communicated and connected with the lower part of the vertical spray section 12, the upper end of the vertical spray section 12 is communicated and connected with the tangential air inlet 4 on the tower body 1 through the surrounding volute air inlet section 5, the lower ends of the horizontal spray section 11 and the vertical spray section 12 are respectively provided with an auxiliary water outlet pipe 14, and the main water outlet pipe 7 and the auxiliary water outlet pipe 14 are both communicated and connected with the oil-water separation tank 15 through a water; a plurality of spray heads are arranged in the horizontal spray section 11 and the vertical spray section 12, and each spray head is communicated and connected with a circulating pump 13 through a guide pipe; the upper part of the annular space 3 is provided with an annular spraying pipe 6, a plurality of spray heads are uniformly arranged on the annular spraying pipe 6, and a circulating pump 13 is connected with the annular spraying pipe 6 in a water supply communication way; the spray head is a spiral spray head; a cyclone demisting plate 8 is arranged below the surrounding volute air inlet section 5 between the outer side of the air outlet pipe 2 and the inner side wall of the tower body 1 in the annular space 3; the top end of the main water outlet pipe 7 arranged in the tower body 1 is provided with a cross vortex-shaped vortex-proof plate 9; a separation plate 10 is arranged between the cross vortex-proof plate 9 and the air outlet pipe 2; the air inlet of the air inlet section 5 of the surrounding volute casing is tangent to the outer side wall of the tower body 1;

the lampblack prepurifier further comprises a honeycomb electrostatic dust collector 16 and a fan, and the air outlet pipe 2 is sequentially communicated and connected with the honeycomb electrostatic dust collector 16 and the fan through a ventilation pipe.

During the use, the flue gas that needs to purify gets into horizontal spray section 11, the spraying in the vertical spray section 12 is mixed after the intake pipe of the left end of horizontal spray section 11 is in proper order, behind surrounding type spiral case air inlet section 5, the tangential gets into annular space 3 and encircles centrifugal dehydration along the lateral wall at a high speed in the annular space, the moisture in the rotatory flue gas reduces once more through whirlwind defogging plate 8's secondary dewatering afterwards, then get back to turning on behind the division board, flow out through outlet duct 2, get into honeycomb electrostatic precipitator 16, discharge through the fan at last.

Flue gas tangentially enters the tower body 1 after passing through the vertical spraying section 12 and then is sprayed with water through the annular spraying pipe 6, the flue gas and the water are fully mixed again in a cyclone state, smoke and dust are removed through centrifugal force in a fully wet state, and the smoke and dust return to the oil-water separation tank 15 through the water return header pipe and are separated and removed by the oil-water separation tank 15, so that the removal pressure of the honeycomb electrostatic dust collector 16 is reduced, and the removal of small-particle smoke and dust is more effective.

The details of the present invention are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil smoke repurifier, including tower body (1), a serial communication port, tower body (1) upper end center is provided with runs through roof and extends to inside outlet duct (2), form annular space (3) between outlet duct (2) and tower body (1) lateral wall in stretching into tower body (1), set up tangential air inlet (4) by tower body (1) lateral wall tangential direction setting on tower body (1) lateral wall of annular space (3), tangential air inlet (4) outside is equipped with surrounding type spiral case air inlet section (5) that are linked together with tangential air inlet (4), the inside bottom of tower body (1) is provided with main outlet pipe (7) that runs through tower body (1).

2. The lampblack prepurifier according to claim 1, wherein: the horizontal spray section (11), the vertical spray section (12) and the circulating pump (13) are further included, the left end of the horizontal spray section (11) is communicated and connected with the air inlet pipe, the right end of the horizontal spray section (11) is communicated and connected with the lower portion of the vertical spray section (12), the upper end of the vertical spray section (12) is communicated and connected with the tangential air inlet (4) on the tower body (1) through the surrounding volute air inlet section (5), auxiliary water outlet pipes (14) are arranged at the lower ends of the horizontal spray section (11) and the vertical spray section (12), and the main water outlet pipe (7) and the auxiliary water outlet pipes (14) are communicated and connected with the oil-water separation box (15) through.

3. The lampblack prepurifier according to claim 2, wherein: a plurality of spray heads are arranged in the horizontal spray section (11) and the vertical spray section (12), and each spray head is communicated and connected with a circulating pump (13) through a guide pipe.

4. The lampblack prepurifier according to claim 2, wherein: annular spraying pipe (6) is arranged on the upper portion of annular space (3), a plurality of spray heads are uniformly arranged on annular spraying pipe (6), and circulating pump (13) is connected with annular spraying pipe (6) in a water supply communication mode.

5. The lampblack prepurifier according to claim 4, wherein: the spray head is a spiral spray head.

6. The lampblack prepurifier according to claim 1, wherein: and a cyclone demisting plate (8) is arranged below the surrounding volute air inlet section (5) between the outer side of the air outlet pipe (2) in the annular space (3) and the inner side wall of the tower body (1).

7. The lampblack prepurifier according to claim 1, wherein: the top end of the main water outlet pipe (7) arranged in the tower body (1) is provided with a cross vortex-proof plate (9).

8. The lampblack prepurifier according to claim 7, wherein: a separation plate (10) is arranged between the cross vortex-proof plate (9) and the air outlet pipe (2).

9. The lampblack prepurifier according to claim 1, wherein: and the air inlet of the surrounding volute air inlet section (5) is tangent to the outer side wall of the tower body (1).

10. The lampblack pre-purifier of any of claims 1 to 9, wherein: the device also comprises a honeycomb electrostatic dust collector (16) and a fan, wherein the air outlet pipe (2) is sequentially communicated and connected with the honeycomb electrostatic dust collector (16) and the fan through a ventilation pipe.