CN215276627U

CN215276627U - Tail gas spray tower with annular spray pipe structure

Info

Publication number: CN215276627U
Application number: CN202121324331.2U
Authority: CN
Inventors: 钱晓东
Original assignee: Taicang Dongbo Anticorrosion Equipment Co ltd
Current assignee: Taicang Dongbo Anticorrosion Equipment Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-24
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a tail gas spray column that has annular spray pipe structure in tail gas purification technical field, comprising a tower body, tower body up end fixedly connected with apron, apron up end outer lane fixedly connected with exhaust apparatus, tower body right side outer wall lower part is equipped with the air inlet, the outside fixedly connected with intake pipe of air inlet, tower body bottom face left side fixedly connected with backup pad, the backup pad up end is equipped with the water pump, the fixed intercommunication of water pump right-hand member has the connecting pipe, the connecting pipe right-hand member extends to inside the tower body, water pump up end fixed connection raceway, tower body inner chamber inner wall upper portion is equipped with spray set, the raceway end extends to tower body inner chamber and fixed intercommunication spray set, the device simple structure, and convenient operation, guarantee that gas purification is complete, tail gas purification efficiency is improved.

Description

Tail gas spray tower with annular spray pipe structure

Technical Field

The utility model relates to a tail gas purification technical field specifically is a tail gas spray column with annular spray pipe structure.

Background

The tail gas purification spray tower mainly operates in a mode that continuous acid mist waste gas is introduced into the purification tower through an air pipe, the waste gas and sodium hydroxide absorption liquid are subjected to gas-liquid two-phase full contact absorption neutralization reaction through a packing layer, the acid mist waste gas is purified and then is discharged into the atmosphere through a defogging plate, the absorption liquid is sprayed down at the tower top after being pressurized by a water pump at the tower bottom, and finally flows back to the tower bottom for recycling, the purified acid mist waste gas meets the emission requirement of local emission standard and is discharged after being lower than the national emission standard, at present, the tail gas spray towers in the market adopt single or multiple single-head vertical downward spraying, dead corners exist in the spraying process, the comprehensive spraying cannot be realized, the neutralization reaction is insufficient, the sprayed tail gas contains larger water, chemical agents are doped in the water, and liquid impurities cannot be effectively treated, for this purpose, we propose an exhaust gas spray tower with a ring-shaped spray pipe structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tail gas spray column with annular spray pipe structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: tail gas spray column with annular spray pipe structure, including the tower body, tower body up end fixedly connected with apron, apron up end outer lane fixedly connected with exhaust apparatus, tower body right side outer wall lower part is equipped with the air inlet, the outside fixedly connected with intake pipe of air inlet, tower body bottom face left side fixedly connected with backup pad, the backup pad up end is equipped with the water pump, the fixed intercommunication of water pump right-hand member has the connecting pipe, the connecting pipe right-hand member extends to inside the tower body, water pump up end fixed connection raceway, tower body inner chamber inner wall upper portion is equipped with spray set, the raceway is terminal to extend to tower body inner chamber and fixed intercommunication spray set.

Preferably, exhaust apparatus includes blast pipe, drying apparatus, active carbon filter layer and dehydration membrane, apron up end outer lane fixedly connected with blast pipe, and the blast pipe is linked together with the tower body, blast pipe inner chamber bottom is equipped with and transversely is equipped with the dehydration membrane, dehydration membrane top is equipped with the active carbon filter layer, active carbon filter layer top is equipped with the drying apparatus.

Preferably, the spraying device comprises an annular support ring, an annular pipe, a central water storage tank, spraying holes and support pipes, wherein the annular support ring is fixedly connected to the upper portion of the inner wall of the inner cavity of the tower body, the annular pipe is arranged on the upper end face of the annular support ring, four groups of support pipes with the same structure are uniformly arranged on the inner ring of the annular pipe, the tail end of each support pipe is fixedly communicated with the central water storage tank, the spraying holes are formed in the inner side of the annular pipe and the left side and the right side of each support pipe, and the tail end of each water conveying pipe is fixedly communicated with the upper portion of the central water storage tank.

Preferably, the diameter of the annular support ring is equal to that of the annular pipe, and the width of the annular support ring is larger than the radius of the annular pipe.

Preferably, the bottom end face of the central water storage tank is uniformly provided with spray heads, and the spray heads are free shower nozzles.

Preferably, the bottom of the inner cavity of the tower body is provided with spraying liquid, and the air inlet is higher than the spraying liquid.

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

1. through water pump, connecting pipe, raceway and spray set, through water pump, connecting pipe and raceway cooperation, moisture passes through the spraying hole blowout of annular pipe and stay tube outer wall, and from the shower nozzle blowout simultaneously, guarantees the all-round spraying, and it is abundant to guarantee neutralization reaction.

2. Through exhaust apparatus and apron, and the apron is the toper, guarantees that the gas after the neutralization reaction can get into to the blast pipe inside, through the dehydration membrane, dehydrates tail gas, installs the active carbon filter layer in the top of dehydration membrane, carries out impurity adsorption to tail gas, installs the drying apparatus in the top of active carbon filter layer, heats the drying to tail gas for exhaust tail gas is dry clean, has solved the problem that exhaust tail gas contains liquid impurity.

Drawings

FIG. 1 is a schematic structural view of a tail gas spray tower with a circular spray pipe structure according to the present invention;

fig. 2 is the schematic view of the sectional structure of the tail gas spray tower with the annular spray pipe structure of the present invention.

In the figure: 1. a tower body; 2. a cover plate; 3. an exhaust device; 31. an exhaust pipe; 32. a dryer; 33. an activated carbon filter layer; 34. dehydrating the membrane; 4. a connecting pipe; 5. a support plate; 6. a water pump; 7. a water delivery pipe; 8. an air inlet; 9. an air inlet pipe; 10. an annular support ring; 11. an annular tube; 12. a central water storage tank; 13. a spray orifice; 14. and (5) supporting the tube.

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.

Example 1

Referring to fig. 1, the present invention provides a technical solution: tail gas spray column with annular spray pipe structure, including

tower body

1, 1 up end fixedly connected with apron 2 of tower body, apron 2 up end outer lane fixedly connected with

exhaust apparatus

3, 1 right side outer wall lower part of tower body is equipped with

air inlet

8, 8 outside fixedly connected with intake pipe 9 of air inlet, and the toper form of 2 positions of apron inversion has the effect of collecting gas, and air inlet 8 is linked together with 1 inner chamber of tower body, guarantees that gas can be through getting into 1 inside of tower body.

In this embodiment, please refer to fig. 1, a supporting plate 5 is fixedly connected to the left side of the bottom end surface of the tower body 1, a water pump 6 is arranged on the upper end surface of the supporting plate 5, a connecting pipe 4 is fixedly communicated with the right end of the water pump 6, the right end of the connecting pipe 4 extends into the tower body 1, a water delivery pipe 7 is fixedly connected to the upper end surface of the water pump 6, a spraying device is arranged on the upper portion of the inner wall of the inner cavity of the tower body 1, the tail end of the water delivery pipe 7 extends into the inner cavity of the tower body 1 and is fixedly communicated with the spraying device, the supporting plate 5 is integrally formed with the tower body 1, the stability of the supporting plate 5 is ensured, and the water pump 6 is fixedly connected with the supporting plate 5, and the stability of the water pump 6 is ensured.

In this embodiment, please refer to fig. 2, the exhaust device 3 includes an exhaust pipe 31, a dryer 32, an activated carbon filter layer 33 and a dewatering membrane 34, an outer ring of an upper end of the cover plate 2 is fixedly connected with the exhaust pipe 31, the exhaust pipe 31 is communicated with the tower body 1, the dewatering membrane 34 is transversely disposed at a bottom end of an inner cavity of the exhaust pipe 31, the activated carbon filter layer 33 is disposed above the dewatering membrane 34, the dryer 32 is disposed above the activated carbon filter layer 33, a steel wire mesh is disposed outside the activated carbon filter layer 33, which has a supporting function and can ensure normal exhaust of gas.

In this embodiment, referring to fig. 2, the spraying device includes an annular support ring 10, an annular pipe 11, a central water storage tank 12, spraying holes 13 and support pipes 14, the annular support ring 10 is fixedly connected to the upper portion of the inner wall of the inner cavity of the tower body 1, the annular pipe 11 is disposed on the upper end face of the annular support ring 10, four groups of support pipes 14 having the same structure are uniformly disposed on the inner ring of the annular pipe 11, the central water storage tank 12 is fixedly communicated with the end of each support pipe 14, the spraying holes 13 are disposed on the inner side of each annular pipe 11 and the left and right sides of each support pipe 14, the end of the water pipe 7 is fixedly communicated with the upper portion of the central water storage tank 12, and the outer wall of the annular support ring 19 is welded to the inner wall of the inner cavity of the tower body 1, so as to ensure the stability of the annular support ring 19, and thus ensure the stability of the annular pipe 11.

In this embodiment, referring to fig. 2, the diameters of the annular support ring 10 and the annular tube 11 are equal, and the width of the annular support ring 10 is greater than the radius of the annular tube 11, so as to ensure that the diameter of the annular support ring 10 can be completely equal to the diameter of the annular tube 11, and ensure the stability of the annular tube 11.

In this embodiment, referring to fig. 1, a spraying liquid is disposed at the bottom of an inner cavity of a tower body 1, and an air inlet 8 is higher than the spraying liquid, so as to ensure that untreated gas can completely enter the tower body, and ensure that liquid on the inner wall of the tower body 1 can be neutralized with the gas.

Example 2

Referring to fig. b, the embodiment is different from the first embodiment in that: the bottom end face of the central water storage tank 12 is uniformly provided with a spray head, the spray head is a free shower nozzle, the spray head can rotate freely, gas passing through the lower portion of the central water storage tank 12 can react with liquid sprayed out of the spray head, no dead angle is guaranteed, and sufficient neutralization reaction is guaranteed.

The working principle is as follows: during the use, discharge untreated tail gas to the tower body 1 inside through intake pipe 9, start water pump 6, introduce the inside reaction liquid of tower body 1 inside raceway 7 through connecting pipe 4, introduce the reaction liquid inside central water storage box 12 by raceway 7 again, guarantee that the reaction liquid gets into stay tube 14 and ring pipe 11 inside, spout through spray hole and shower nozzle at last, guarantee that the reaction liquid can completely neutralize the reaction with gas, reach the gas emission standard, dehydration membrane 34, dewater tail gas, install activated carbon filter layer 33 in the top of dehydration membrane 34, carry out impurity adsorption to tail gas, install drying apparatus 32 in the top of activated carbon filter layer 33, heat drying to tail gas, make exhaust tail gas dry clean, the problem that exhaust tail gas contains liquid impurity has been solved.

Claims

1. Tail gas spray column with annular spray pipe structure, including tower body (1), its characterized in that: tower body (1) up end fixedly connected with apron (2), apron (2) up end outer lane fixedly connected with exhaust apparatus (3), tower body (1) right side outer wall lower part is equipped with air inlet (8), air inlet (8) outside fixedly connected with intake pipe (9), tower body (1) bottom end left side fixedly connected with backup pad (5), backup pad (5) up end is equipped with water pump (6), water pump (6) right-hand member fixed intercommunication has connecting pipe (4), connecting pipe (4) right-hand member extends to inside tower body (1), end fixed connection raceway (7) on water pump (6), tower body (1) inner chamber inner wall upper portion is equipped with spray set, raceway (7) end extends to tower body (1) inner chamber and fixed intercommunication spray set.

2. The exhaust spray tower with annular spray pipe structure of claim 1, wherein: exhaust apparatus (3) include blast pipe (31), drying apparatus (32), activated carbon filter layer (33) and dehydration membrane (34), apron (2) upper end surface outer lane fixedly connected with blast pipe (31), and blast pipe (31) are linked together with tower body (1), blast pipe (31) inner chamber bottom is equipped with and transversely is equipped with dehydration membrane (34), it is equipped with activated carbon filter layer (33) to dewater membrane (34) top, activated carbon filter layer (33) top is equipped with drying apparatus (32).

3. The exhaust spray tower with annular spray pipe structure of claim 1, wherein: the spraying device comprises an annular support ring (10), an annular pipe (11), a central water storage tank (12), spraying holes (13) and support pipes (14), wherein the annular support ring (10) is fixedly connected to the upper portion of the inner cavity inner wall of the tower body (1), the annular pipe (11) is arranged on the upper end face of the annular support ring (10), the inner ring of the annular pipe (11) is uniformly provided with the support pipes (14) with four groups of same structures, the tail ends of the support pipes (14) are fixedly communicated with the central water storage tank (12), the inner side of the annular pipe (11) and the left and right sides of the support pipes (14) are respectively provided with the spraying holes (13), and the tail ends of the water conveying pipes (7) are fixedly communicated with the upper portion of the central water storage tank (12).

4. The exhaust spray tower with annular spray pipe structure of claim 3, wherein: the diameters of the annular support ring (10) and the annular pipe (11) are equal, and the width of the annular support ring (10) is larger than the radius of the annular pipe (11).

5. The exhaust spray tower with annular spray pipe structure of claim 3, wherein: the bottom end surface of the central water storage tank (12) is uniformly provided with spray heads, and the spray heads are free shower nozzles.

6. The exhaust spray tower with annular spray pipe structure of claim 1, wherein: the bottom of the inner cavity of the tower body (1) is provided with spraying liquid, and the air inlet (8) is higher than the spraying liquid.