CN218221833U

CN218221833U - Sulfur trioxide flue gas filter for chemical production

Info

Publication number: CN218221833U
Application number: CN202222557201.4U
Authority: CN
Inventors: 刘旭升; 戴杰; 徐盛
Original assignee: Tongling Yuanli Electronic Chemicals Co ltd
Current assignee: Tongling Yuanli Electronic Chemicals Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-06
Anticipated expiration: 2032-09-27

Abstract

The utility model belongs to the technical field of the chemical industry filters, and a sulfur trioxide flue gas filter for chemical production is disclosed, which comprises a seat plate, one side fixed mounting at bedplate top has the second shell, the opposite side fixed mounting at bedplate top has first shell, the top fixed mounting of second shell has the second motor, the bottom transmission of second motor is connected with first transfer line. The utility model discloses a set up first transfer line, spray pipe, atomizer and first centrifugal impeller and reached earlier the purpose of handling sulfur trioxide in the flue gas, with sulfur trioxide flue gas and water smoke intensive mixing, the water smoke takes place the reaction with sulfur trioxide flue gas contact back and forms sulphuric acid, because sulfur trioxide content is less in the sulfur trioxide flue gas, exothermic reaction is absorbed by a large amount of water smoke, very big reduction the production of acid mist, reached earlier the purpose of handling sulfur trioxide in the flue gas.

Description

Sulfur trioxide flue gas filter for chemical production

Technical Field

The utility model belongs to the technical field of chemical industry filters, specifically a sulfur trioxide flue gas filter for chemical production.

Background

Sulfur trioxide is an inorganic compound, is a colorless solid easy to sublimate, is a serious pollutant in a gaseous form, is one of main sources for forming acid rain, and needs to be filtered when the flue gas emission of the sulfur trioxide is carried out in chemical production.

At present, operating personnel can produce a large amount of sulfur trioxide flue gases when carrying out sulfur trioxide's chemical production, for reduce the influence of sulfur trioxide to in the air, for this reason, operating personnel can use the filter to filter the flue gas, however, sulfur trioxide's among the prior art flue gas is at filterable in-process, filters the flue gas through the filter core, but the sulfur trioxide that contains in the flue gas can corrode the filter core, the life of filter core has been reduced, filterable cost has been improved.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model provides a sulfur trioxide flue gas filter for chemical production, have earlier the advantage of handling sulfur trioxide in the flue gas, the utility model discloses a set up first transfer line, spray pipe, atomizer and first centrifugal impeller have reached earlier the purpose of handling sulfur trioxide in the flue gas, take place reaction after water smoke and the contact of sulfur trioxide flue gas and form sulphuric acid, because sulfur trioxide content is less in the sulfur trioxide flue gas, exothermic reaction is absorbed by a large amount of water smoke, very big reduction the production of acid mist, reached earlier the purpose of handling sulfur trioxide in the flue gas.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sulfur trioxide flue gas filter for chemical production, includes the bedplate, one side fixed mounting at bedplate top has the second shell, the opposite side fixed mounting at bedplate top has first shell, the top fixed mounting of second shell has the second motor, the bottom transmission of second motor is connected with first transfer line, the bottom fixed mounting of first transfer line has first centrifugal impeller, the fixed intercommunication in top that first shell one side was kept away from to the second shell has into the tobacco pipe, the top fixed mounting of second shell inner chamber has the spray pipe, the fixed angularly fixed mounting such as bottom of spray pipe has atomizer, the fixed intercommunication in back of spray pipe has the inlet tube, the fixed intercommunication in bottom at second shell back has the drain pipe, the positive fixed mounting of second shell has the observation board, the fixed intercommunication in one side that the tobacco pipe was kept away from to the second shell has the pipe.

Among the above-mentioned technical scheme, it is preferred that positive bottom activity joint of first shell has the collection steamer tray, the top threaded connection of first shell internal surface has the support shell, the top fixed mounting of support shell has the shell of airing exhaust, the top fixed mounting of shell of airing exhaust has the lid of airing exhaust, the middle part fixed mounting at lid top of airing exhaust has first motor, the bottom transmission of first motor is connected with the second transfer line, the bottom fixed mounting of second transfer line has second centrifugal impeller, the bottom of first shell inner chamber just is located the top of collecting the steamer tray and waits angle fixed mounting to have the supporting shoe, the inboard fixed mounting of supporting shoe has the backup pad, the top activity joint of backup pad has the filter core.

In the above technical scheme, preferably, the spray pipes are annular, the number of the atomizing nozzles is four, the lowest point of the smoke inlet pipe is higher than the highest point of the first centrifugal impeller, and the first transmission rod is connected with the second housing bearing.

Among the above-mentioned technical scheme, preferably, the pipe is the slope form, the axis on pipe inclined plane is thirty degrees with the contained angle of horizontal plane, the observation board is made for transparent glass.

In the above technical solution, preferably, the number of the support blocks is four, the outer surface of the support plate is not in contact with the inner surface of the first housing, and the top of the filter element is in contact with the bottom of the support housing.

Among the above-mentioned technical scheme, preferred, two slide rails of bottom fixed mounting of collection steamer tray, both sides spout has been seted up to the bottom of first shell inner chamber, slide rail and spout adaptation joint.

In the above technical solution, preferably, the rotation trajectory of the second centrifugal impeller does not contact the inner wall of the exhaust casing, and the surface of the exhaust cover is provided with an exhaust hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up first transfer line, the spray pipe, atomizer and first centrifugal impeller have reached earlier the purpose of handling sulfur trioxide in the flue gas, through setting up the second motor, make the second motor drive first transfer line and rotate, first transfer line drives first centrifugal impeller and rotates, when first centrifugal impeller rotates, the middle part at first centrifugal impeller top forms the negative pressure, outside absorption air, advance the inside sulfur trioxide flue gas of output of tobacco pipe, atomizer is inside to spout the water smoke, the suction that first centrifugal impeller produced, with sulfur trioxide flue gas and water smoke intensive mixing, water smoke and the contact back emergence reaction of sulfur trioxide flue gas form sulphuric acid, because sulfur trioxide content is less in the sulfur trioxide flue gas, exothermic reaction is absorbed by a large amount of water smoke, very big reduction the production of acid mist, the purpose of handling sulfur trioxide in the flue gas earlier has been reached.

Drawings

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

fig. 2 is a rear view of the present invention;

fig. 3 is a schematic cross-sectional view of a second housing of the present invention;

fig. 4 is a schematic cross-sectional view of the first housing of the present invention;

fig. 5 is a schematic sectional view of the exhaust casing of the present invention.

In the figure: 1. a seat plate; 2. a collection drawer; 3. a first housing; 4. a support housing; 5. a venting housing; 6. a venting cover; 7. a first motor; 8. a second motor; 9. a smoke inlet pipe; 10. a second housing; 11. an observation plate; 12. a conduit; 13. a drain pipe; 14. a water inlet pipe; 15. a water spray pipe; 16. an atomizing spray head; 17. a first centrifugal impeller; 18. a first drive lever; 19. a second centrifugal impeller; 20. a filter element; 21. a support block; 22. a second transmission rod; 23. and a support plate.

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.

As shown in fig. 1 to 5, the utility model provides a sulfur trioxide flue gas filter for chemical production, which comprises a base plate 1, a second shell 10 is fixedly installed on one side of the top of the base plate 1, a first shell 3 is fixedly installed on the other side of the top of the base plate 1, a second motor 8 is fixedly installed on the top of the second shell 10, a first transmission rod 18 is connected to the bottom of the second motor 8 in a transmission manner, a first centrifugal impeller 17 is fixedly installed on the bottom of the first transmission rod 18, a flue pipe 9 is fixedly communicated with the top of one side of the second shell 10 away from the first shell 3, a spray pipe 15 is fixedly installed on the top of the inner cavity of the second shell 10, an atomizing nozzle 16 is fixedly installed on the bottom of the spray pipe 15 at an equal angle, a water inlet pipe 14 is fixedly communicated with the back of the spray pipe 15, a drain pipe 13 is fixedly communicated with the bottom of the back of the second shell 10, an observation plate 11 is fixedly installed on the front of the second shell 10, and a conduit 12 is fixedly communicated with one side of the second shell 10 away from the flue pipe 9;

adopt above-mentioned scheme: through setting up second motor 8, when driving first centrifugal impeller 17 and rotating, the middle part at first centrifugal impeller 17 top forms the negative pressure, to outside absorption air, the suction that first centrifugal impeller 17 produced, with sulfur trioxide flue gas and water smoke intensive mixing, because sulfur trioxide content is less in the sulfur trioxide flue gas, exothermic reaction is absorbed by a large amount of water smoke, very big reduction the production of acid mist, reached earlier the purpose of handling to the sulfur trioxide in the flue gas.

As shown in fig. 1 to 5, a collecting drawer 2 is movably clamped at the bottom of the front surface of a first housing 3, a supporting shell 4 is connected to the top of the inner surface of the first housing 3 in a threaded manner, an exhaust shell 5 is fixedly installed at the top of the supporting shell 4, an exhaust cover 6 is fixedly installed at the top of the exhaust shell 5, a first motor 7 is fixedly installed at the middle of the top of the exhaust cover 6, a second transmission rod 22 is connected to the bottom of the first motor 7 in a transmission manner, a second centrifugal impeller 19 is fixedly installed at the bottom of the second transmission rod 22, a supporting block 21 is fixedly installed at the bottom of the inner cavity of the first housing 3 and positioned at the top of the collecting drawer 2 at an equal angle, a supporting plate 23 is fixedly installed at the inner side of the supporting block 21, and a filter element 20 is movably clamped at the top of the supporting plate 23;

the scheme is adopted: by providing the second centrifugal impeller 19 and the filter element 20, the flue gas is filtered again to further reduce the content of sulfur trioxide in the flue gas.

As shown in fig. 3, the spray pipes 15 are ring-shaped, the number of the atomizer nozzles 16 is four, the lowest point of the smoke inlet pipe 9 is higher than the highest point of the first centrifugal impeller 17, and the first transmission rod 18 is connected with the second housing 10 through a bearing;

adopt above-mentioned scheme: through setting up first centrifugal impeller 17, first centrifugal impeller 17 makes sulfur trioxide flue gas and water smoke intensive mixing, and rethread first centrifugal impeller 17 throws away, and the water smoke contacts postemergence reaction with the sulfur trioxide flue gas, because sulfur trioxide content is less in the sulfur trioxide flue gas, exothermic reaction is absorbed by a large amount of water smoke, very big reduction the production of acid mist.

As shown in fig. 1, the conduit 12 is inclined, the included angle between the central axis of the inclined surface of the conduit 12 and the horizontal plane is thirty degrees, and the observation plate 11 is made of transparent glass;

adopt above-mentioned scheme: through setting up pipe 12, make the inside air of second shell 10 be the state that descends when arranging to first shell 3, water smoke contacts with the inner wall of pipe 12 this moment, and the condensation is water, has further reduced the discharged probability of acid mist in the water smoke, and observation board 11 is made for transparent glass, and glass has stability, does not melt the sulfur trioxide that contains in aqueous.

As shown in fig. 4, the number of the support blocks 21 is four, the outer surface of the support plate 23 is not in contact with the inner surface of the first housing 3, and the top of the filter cartridge 20 is in contact with the bottom of the support case 4;

adopt above-mentioned scheme: by arranging the support plate 23, the bottom of the filter element 20 is blocked by the support plate 23, the top of the filter element 20 is blocked by the support shell 4, and the gas discharged from the guide pipe 12 can only enter the inner cavity of the filter element 20 from the side wall of the filter element 20, so that a good filtering effect is achieved.

As shown in fig. 4, two slide rails are fixedly mounted at the bottom of the collection drawer 2, two slide grooves are formed in the bottom of the inner cavity of the first shell 3, and the slide rails are in adaptive clamping connection with the slide grooves;

adopt above-mentioned scheme: through setting up slide rail and spout, conveniently take out collection steamer tray 2, conveniently collect the water smoke that condenses.

As shown in fig. 5, the rotation track of the second centrifugal impeller 19 does not contact the inner wall of the exhaust casing 5, and the surface of the exhaust cover 6 is provided with exhaust holes;

adopt above-mentioned scheme: through setting up second centrifugal impeller 19, second centrifugal impeller 19 rotates and produces suction to the inner chamber of filter core 20, makes things convenient for filter core 20 to absorb water smoke, and the back is absorbed through filter core 20, discharges through the hole of airing exhaust.

The utility model discloses a theory of operation and use flow:

discharging sulfur trioxide flue gas into an inner cavity of a second shell 10 from a smoke inlet pipe 9, connecting a water pipe outside a water inlet pipe 14, starting a second motor 8, driving a first transmission rod 18 to rotate by the second motor 8, driving a first centrifugal impeller 17 to rotate by the first transmission rod 18, generating centrifugal force when the first centrifugal impeller 17 rotates, throwing air out of the first centrifugal impeller 17, forming negative pressure in the middle of the top of the first centrifugal impeller 17 at the moment, absorbing air to the outside, outputting sulfur trioxide flue gas inwards by the smoke inlet pipe 9, spraying water spray pipes 15 spraying water mist inwards by an atomizing nozzle 16, generating suction force by the first centrifugal impeller 17, fully mixing the sulfur trioxide flue gas with the water mist, throwing the sulfur trioxide flue gas out by the first centrifugal impeller 17, wherein the exothermic reaction is absorbed by a large amount of water mist due to small content of sulfur trioxide in the sulfur trioxide flue gas, the generation of acid mist is greatly reduced, the generated water mist is deposited and discharged through the water discharge pipe 13, the air in the second shell 10 flows to the guide pipe 12, the mixed water mist of the flue gas is contacted with the side wall of the guide pipe 12, the water mist is condensed into water and flows to the collecting drawer 2 through the guide pipe 12, part of the uncondensed water mist and the flue gas flow to the side wall of the filter element 20 from the gap between the outer wall of the supporting plate 23 and the inner wall of the first shell 3, the first motor 7 drives the second transmission rod 22 to rotate, the second transmission rod 22 drives the second centrifugal impeller 19 to rotate, the second centrifugal impeller 19 rotates to throw the air out, the middle part of the bottom of the second centrifugal impeller 19 forms low pressure, suction force is generated in the middle part of the inner cavity of the filter element 20, the flue gas and the water mist are sucked into the inner cavity of the filter element 20, the flue gas and the water mist are filtered by the filter element 20, flow in the inner cavity of the air exhaust shell 5 through the second centrifugal impeller 19 and are discharged through the exhaust cover 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a sulfur trioxide flue gas filter for chemical production, includes bedplate (1), its characterized in that: one side fixed mounting at bedplate (1) top has second shell (10), the opposite side fixed mounting at bedplate (1) top has first shell (3), the top fixed mounting of second shell (10) has second motor (8), the bottom transmission of second motor (8) is connected with first transmission pole (18), the bottom fixed mounting of first transmission pole (18) has first centrifugal impeller (17), the top fixed intercommunication that first shell (3) one side was kept away from in second shell (10) has into tobacco pipe (9), the top fixed mounting of second shell (10) inner chamber has spray pipe (15), angle fixed mounting such as the bottom of spray pipe (15) has atomizer (16), the back fixed intercommunication of spray pipe (15) has inlet tube (14), the bottom fixed intercommunication at second shell (10) back has drain pipe (13), the positive fixed mounting of second shell (10) has observation board (11), one side that advance tobacco pipe (9) was kept away from in second shell (10) is fixed with pipe (12).

2. The sulfur trioxide flue gas filter for chemical production according to claim 1, characterized in that: the positive bottom activity joint of first shell (3) has collection steamer tray (2), the top threaded connection of first shell (3) internal surface has support shell (4), the top fixed mounting who supports shell (4) has exhaust shell (5), the top fixed mounting of exhaust shell (5) has exhaust cover (6), the middle part fixed mounting at exhaust cover (6) top has first motor (7), the bottom transmission of first motor (7) is connected with second transfer line (22), the bottom fixed mounting of second transfer line (22) has second centrifugal impeller (19), the bottom of first shell (3) inner chamber just is located the top of collecting steamer tray (2) and waits angle fixed mounting have supporting shoe (21), the inboard fixed mounting of supporting shoe (21) has backup pad (23), the top activity joint of backup pad (23) has filter core (20).

3. The sulfur trioxide flue gas filter for chemical production according to claim 1, characterized in that: the spray pipes (15) are annular, the number of the atomizing nozzles (16) is four, the lowest point of the smoke inlet pipe (9) is higher than that of the first centrifugal impeller (17), and the first transmission rod (18) is in bearing connection with the second shell (10).

4. The sulfur trioxide flue gas filter for chemical production according to claim 1, characterized in that: the pipe (12) are the slope form, the axis on pipe (12) inclined plane is thirty degrees with the contained angle of horizontal plane, observe board (11) and make for transparent glass.

5. The sulfur trioxide flue gas filter for chemical production according to claim 2, characterized in that: the number of the supporting blocks (21) is four, the outer surface of the supporting plate (23) is not in contact with the inner surface of the first shell (3), and the top of the filter element (20) is in contact with the bottom of the supporting shell (4).

6. The sulfur trioxide flue gas filter for chemical production according to claim 2, characterized in that: two slide rails are fixedly installed at the bottom of the collecting drawer (2), slide grooves in two sides are formed in the bottom of the inner cavity of the first shell (3), and the slide rails are connected with the slide grooves in an adaptive mode.

7. The sulfur trioxide flue gas filter for chemical production according to claim 2, characterized in that: the rotating track of the second centrifugal impeller (19) is not in contact with the inner wall of the exhaust shell (5), and an exhaust hole is formed in the surface of the exhaust cover (6).