CN210814656U

CN210814656U - Tail gas absorption tower

Info

Publication number: CN210814656U
Application number: CN201921045183.3U
Authority: CN
Inventors: 顾本学; 顾铭
Original assignee: Hubei Tianli Huajian Engineering Co ltd
Current assignee: Hubei Tianli Huajian Engineering Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-06-23
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to a chemical production technical field just discloses a tail gas absorption tower, comprising a tower body, the left bottom fixed mounting of tower body has the intake pipe. This tail gas absorption tower, lead to in the tower body with the tail gas through the intake pipe, let in alkali liquor toward the inlet tube simultaneously, alkali liquor passes through the total liquid pipe by the shower head blowout, spun alkali liquor gets into in the shunt tube through drainage funnel, at last through the particle filter layer, discharge by the drain pipe again, at first contact the particle filter layer during tail gas come-up, filter great particulate matter on the one hand, on the other hand carries out the first absorption reaction with the alkali liquor of staying above-mentioned during the filtration pore of particle filter layer, the through-hole in rethread shunt tube and the shunt tube outside makes gaseous dispersion circulation, thereby increase reaction area of contact, and through the mobile speed of water in the shunt tube of water conservancy diversion swash plate slow down alkali liquor, make tail gas and alkali liquor reaction more abundant, the efficient purpose.

Description

Tail gas absorption tower

Technical Field

The utility model relates to a chemical production technical field specifically is a tail gas absorption tower.

Background

In the chemical product production process, can produce tail gas in the reaction process, like sulfur dioxide, need can discharge among the air after the tail gas through absorption treatment, and the tail gas processing apparatus who commonly uses is exactly the tail gas absorption tower.

Various tail gas absorption towers in the market at present have the defect of low tail gas absorption efficiency, and in a common tail gas absorption tower, gas is not fully contacted with reaction liquid, so that some tail gas is discharged without complete full reaction, and a corresponding circulating device is not arranged to make up for the defect, so that the tail gas absorption effect and speed are low, and the tail gas absorption tower is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a tail gas absorption tower possesses the high advantage of tail gas absorption efficiency, has solved ordinary tail gas absorption tower, and gas and reaction liquid's contact is abundant inadequately, leads to some tail gas in addition not fully to react and has just discharged, does not have corresponding circulating device to compensate this defect moreover, leads to the absorptive effect of tail gas and the very low problem of speed.

(II) technical scheme

For realizing the high purpose of above-mentioned tail gas absorption efficiency, the utility model provides a following technical scheme: a tail gas absorption tower comprises a tower body, wherein an air inlet pipe is fixedly arranged at the left bottom of the tower body, an air outlet pipe is fixedly arranged at the top of the tower body, a liquid inlet pipe is fixedly arranged at the right side of the tower body, a liquid outlet pipe is fixedly arranged at the bottom of the tower body, a particle filter layer is fixedly arranged inside the tower body, a baffle is fixedly arranged at the top of the particle filter layer inside the tower body, a shunt pipe is fixedly arranged at the top of the baffle, a diversion inclined plate is fixedly arranged inside the shunt pipe, a main liquid pipe is fixedly arranged at the left end of the liquid inlet pipe and inside the tower body, a spray head is fixedly arranged at the bottom of the main liquid pipe, a partition plate is fixedly arranged inside the tower body and at the bottom of the spray head, a drainage funnel at the top of the shunt pipe is fixedly arranged at the bottom of the partition, the utility model discloses a tower body, including tower body, air pump, top fixed mounting have the window, the left side fixed mounting of air pump has one end and tower body left side bottom fixed connection's back flow, the left side fixed mounting of tower body has the window, the inside of tower body and the top fixed mounting that is located total liquid pipe have dry layer, the inside of tower body and the top fixed mounting that is located dry layer have the HEPA filter layer, the inside of tower body and the top fixed mounting that is located the HEPA filter layer have the.

Preferably, the tower body is a cylinder with a hollow inner part, and the air inlet pipe, the air outlet pipe, the liquid inlet pipe, the liquid outlet pipe and the air pump are communicated with the tower body.

Preferably, the number of the shunt tubes is five, the diameter of each shunt tube is two centimeters, and the five shunt tubes are uniformly distributed at the top of the baffle.

Preferably, shunt tubes and drainage funnel intercommunication each other, the diameter of the even tower body of diameter of division board and baffle equals.

Preferably, the shunt tubes and the return tubes are copper tubes, and ten through holes are formed in the outer sides of the shunt tubes.

Preferably, each the left and right sides wall of reposition of redundant personnel intraductal cavity is equal fixed mounting has the water conservancy diversion swash plate that quantity is three, just the water conservancy diversion swash plate is from last down alternately placing.

(III) advantageous effects

Compared with the prior art, the utility model provides a tail gas absorption tower possesses following beneficial effect:

1. this tail gas absorption tower, lead to in the tower body with the tail gas through the intake pipe, let in alkali liquor toward the inlet tube simultaneously, alkali liquor passes through the total liquid pipe by the shower head blowout, spun alkali liquor gets into in the shunt tube through drainage funnel, at last through the particle filter layer, discharge by the drain pipe again, at first contact the particle filter layer during tail gas come-up, filter great particulate matter on the one hand, on the other hand carries out the first absorption reaction with the alkali liquor of staying above-mentioned during the filtration pore of particle filter layer, the through-hole in rethread shunt tube and the shunt tube outside makes gaseous dispersion circulation, thereby increase reaction area of contact, and through the mobile speed of water in the shunt tube of water conservancy diversion swash plate slow down alkali liquor, make tail gas and alkali liquor reaction more abundant, the efficient purpose.

2. This tail gas absorption tower, setting through the drying layer, make the adnexed moisture of combustion gas absorbed, the setting of logical HEPA filter layer, filter the dust below five microns at zero, setting through the active carbon adsorption layer, peculiar smell among the absorbed gas, thereby make the combustion gas cleaner, can not cause the pollution, set the copper pipe to through back flow and shunt tubes, make the temperature of tail gas by the copper pipe absorption, reach the cooling effect, prevent that the tower body from being located under the high temperature environment for a long time, cause the life-span to reduce, use the air pump can be with the tail gas through absorption reaction once more through the back flow reflux tower body inner loop absorption, make the absorption effect better, the mesh that absorption efficiency is high has been reached.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a tower body 1, an air inlet pipe 2, an air outlet pipe 3, a liquid inlet pipe 4, a liquid outlet pipe 5, a particle filtering layer 6, a baffle 7, a flow dividing pipe 8, a flow guiding inclined plate 9, a total liquid pipe 10, a spray header 11, a partition plate 12, a flow guiding funnel 13, an air pump 14, a return pipe 15, a window 16, a drying layer 17, a HEPA filtering layer 18 and an active carbon adsorption layer 19.

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, a tail gas absorption tower comprises a tower body 1, an air inlet pipe 2 is fixedly installed at the bottom of the left side of the tower body 1, an air outlet pipe 3 is fixedly installed at the top of the tower body 1, a liquid inlet pipe 4 is fixedly installed at the top of the right side of the tower body 1, a liquid outlet pipe 5 is fixedly installed at the bottom of the tower body 1, a particle filter layer 6 is fixedly installed inside the tower body 1, a baffle 7 is fixedly installed inside the tower body 1 and positioned at the top of the particle filter layer 6, a shunt pipe 8 is fixedly installed at the top of the baffle 7, the number of the shunt pipes 8 is five, the diameter of the shunt pipe 8 is two centimeters, the five shunt pipes 8 are uniformly distributed at the top of the baffle 7, a diversion inclined plate 9 is fixedly installed inside the shunt pipe 8, three diversion inclined plates 9 are fixedly installed on the left side wall and the right side wall of an inner cavity of each shunt pipe, a spray header 11 is fixedly arranged at the bottom of a main liquid pipe 10, a partition plate 12 is fixedly arranged inside the tower body 1 and at the bottom of the spray header 11, a drainage funnel 13 positioned at the top of a shunt pipe 8 is fixedly arranged at the bottom of the partition plate 12, tail gas is guided into the tower body 1 through an air inlet pipe 2, meanwhile, alkali liquid is introduced into a liquid inlet pipe 4, the alkali liquid is sprayed out from the spray header 11 through the main liquid pipe 10, the sprayed alkali liquid enters the shunt pipe 8 through the drainage funnel 13, finally passes through a particle filtering layer 6 and is discharged through a liquid outlet pipe 5, when the tail gas floats upwards, the tail gas firstly contacts the particle filtering layer 6, on one hand, larger particulate matters are filtered, on the other hand, the tail liquid and the alkali liquid left on the particle filtering layer 6 perform primary absorption reaction when passing through a filtering hole of the particle filtering layer, then the gas is dispersed and circulated through holes at, the tail gas and the alkali liquor are reacted more fully, the purpose of high tail gas absorption efficiency is achieved, the diversion pipe 8 and the drainage funnel 13 are communicated with each other, the diameter of the tower body 1 is equal to that of the partition plate 12 and the baffle 7, the air pump 14 is fixedly installed on the left side of the tower body 1 and positioned at the top of the total liquid pipe 10, the type of the air pump 14 can be HG-90, the tower body 1 is a hollow cylinder, the air inlet pipe 2, the air outlet pipe 3, the liquid inlet pipe 4, the liquid outlet pipe 5 and the air pump 14 are communicated with the tower body 1, the left side of the air pump 14 is fixedly provided with a return pipe 15, one end of the return pipe is fixedly connected with the bottom of the left side of the tower body 1, the diversion pipe 8 and the return pipe 15 are both copper pipes, the copper has good heat absorption property, the purpose of cooling can be achieved, the drying layer 17 is fixedly arranged inside the tower body 1 and at the top of the total liquid pipe 10, the HEPA filter layer 18 is fixedly arranged inside the tower body 1 and at the top of the drying layer 17, the HEPA filter layer 18 is a high-efficiency air filter and a filter screen meeting the HEPA standard, the effective rate of 0.1 micron and 0.3 micron reaches 99.7%, the HEPA network has the characteristics that air can pass through but fine particles cannot pass through, the activated carbon adsorption layer 19 is fixedly arranged inside the tower body 1 and at the top of the HEPA filter layer 18, the activated carbon is prepared by pyrolyzing and activating carbon-containing raw materials such as wood, coal, petroleum coke and the like, has a developed pore structure, a large specific surface area and rich surface chemical groups, and the carbon material with strong specific adsorption capacity is a general name, through the arrangement of the drying layer 17, moisture attached to discharged gas is absorbed, and through the arrangement of the HEPA filter layer 18, filter the dust below five microns at zero point, setting through activated carbon adsorption layer 19, peculiar smell among the absorbed gas, thereby make the combustion gas cleaner, can not cause the pollution, set to the copper pipe through back flow 15 and shunt tubes 8, the temperature that makes tail gas is absorbed by the copper pipe, reach the cooling effect, prevent that tower body 1 from being located under the high temperature environment for a long time, cause the life-span to reduce, use air pump 14 can be with the tail gas through absorption reaction once more through back flow 15 reflux tower body 1 inner loop absorption, make the absorption effect better, the purpose that absorption efficiency is high has been reached.

When the tail gas absorption device is used, alkali liquor is introduced into the liquid inlet pipe 4, waste gas is introduced into the gas inlet pipe 2, tail gas absorption reaction can be carried out, tail gas absorption can be carried out in a circulating mode by opening the gas pump 14, and the absorption effect is better.

In conclusion, this tail gas absorption tower, lead to in the tower body 1 with tail gas through intake pipe 2, let in alkali lye in the feed liquor pipe 4 simultaneously, alkali lye is spout by shower head 11 through total liquid pipe 10, spun alkali lye gets into the shunt tubes 8 through drainage funnel 13 in, last through particle filter layer 6, discharge by drain pipe 5 again, tail gas comes up at first contact particle filter layer 6 during the come-up, on the one hand filter great particulate matter, on the other hand carry out the primary absorption reaction with the alkali lye of staying above-mentioned when passing through the filtration pore of particle filter layer 6, the through-hole in rethread shunt tubes 8 and the shunt tubes 8 outside makes gaseous dispersion circulate, thereby increase reaction contact area, and slow down the velocity of flow of alkali lye in shunt tubes 8 through water conservancy diversion swash plate 9, make tail gas and alkali lye reaction more abundant, the purpose that tail gas absorption efficiency.

Moreover, the moisture attached to the discharged gas is absorbed through the arrangement of the drying layer 17, the dust below zero five microns is filtered through the arrangement of the HEPA filter layer 18, the peculiar smell in the gas is absorbed through the arrangement of the activated carbon adsorption layer 19, so that the discharged gas is cleaner and cannot cause pollution, the temperature of the tail gas is absorbed by the copper pipe through the arrangement of the return pipe 15 and the shunt pipe 8, the cooling effect is achieved, the problem that the tower body 1 is located in a high-temperature environment for a long time and the service life is reduced is solved, the tail gas after absorption reaction can be returned to the tower body 1 through the return pipe 15 again by using the air pump 14 for circulating absorption, the absorption effect is better, the purpose of high absorption efficiency is achieved, the problem that in a common tail gas absorption tower, the contact between the gas and the reaction liquid is insufficient, and some tail gas is discharged without complete and sufficient reaction is solved, and no corresponding circulating device is used for compensating the defect, so that the problem of low tail gas absorption effect and speed is caused.

It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 tail gas absorption tower, includes tower body (1), its characterized in that: the utility model discloses a tower body, including tower body (1), the left bottom fixed mounting of tower body (1) has intake pipe (2), the top fixed mounting of tower body (1) has outlet duct (3), the top fixed mounting on tower body (1) right side has feed liquor pipe (4), the bottom fixed mounting of tower body (1) has drain pipe (5), the inside fixed mounting of tower body (1) has particle filter layer (6), the inside of tower body (1) and the top fixed mounting who is located particle filter layer (6) have baffle (7), the top fixed mounting of baffle (7) has shunt tubes (8), the inside fixed mounting of shunt tubes (8) has water conservancy diversion swash plate (9), the left end of feed liquor pipe (4) and the inside fixed mounting who is located tower body (1) have total liquid pipe (10), the bottom fixed mounting of total liquid pipe (10) has shower head (11), the inside of tower body (1) and the bottom fixed mounting who is located shower head (11) have division, the bottom fixed mounting of division board (12) has drainage funnel (13) that is located shunt tubes (8) top, the left side of tower body (1) and the top fixed mounting that is located total liquid pipe (10) have air pump (14), the left side fixed mounting of air pump (14) has one end and tower body (1) left side bottom fixed connection's back flow (15), the left side fixed mounting of tower body (1) has window (16), the inside of tower body (1) and the top fixed mounting that is located total liquid pipe (10) have drying layer (17), the inside of tower body (1) and the top fixed mounting that is located drying layer (17) have HEPA filter layer (18), the inside of tower body (1) and the top fixed mounting that is located HEPA filter layer (18) have active carbon adsorption layer (19).

2. The tail gas absorption tower of claim 1, wherein: the tower body (1) is a cylinder with a hollow inner part, and the air inlet pipe (2), the air outlet pipe (3), the liquid inlet pipe (4), the liquid outlet pipe (5) and the air pump (14) are communicated with the tower body (1) mutually.

3. The tail gas absorption tower of claim 1, wherein: the number of shunt tubes (8) is five, the diameter of the shunt tubes (8) is two centimeters, and five shunt tubes (8) are uniformly distributed at the top of the baffle (7).

4. The tail gas absorption tower of claim 1, wherein: shunt tubes (8) and drainage funnel (13) communicate each other, the diameter of the even tower body of diameter (1) of division board (12) and baffle (7) equals.

5. The tail gas absorption tower of claim 1, wherein: the shunt tubes (8) and the return tubes (15) are copper tubes, and ten through holes are formed in the outer sides of the shunt tubes (8).

6. The tail gas absorption tower of claim 1, wherein: every the equal fixed mounting of the left and right sides wall of shunt tubes (8) inner chamber has quantity to be three water conservancy diversion swash plate (9), just water conservancy diversion swash plate (9) are from last down alternately placing.