CN212383447U

CN212383447U - Ammonia absorption tower is used in urotropine production

Info

Publication number: CN212383447U
Application number: CN202020615086.XU
Authority: CN
Inventors: 高远远; 张海忠; 张德忠; 胡金林
Original assignee: JIAOZUO RUNHUA CHEMICAL INDUSTRY CO LTD
Current assignee: JIAOZUO RUNHUA CHEMICAL INDUSTRY CO LTD
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-01-22
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses an ammonia absorption tower is used in urotropine production, including formaldehyde steam conduit and absorption tower body, this internal urotropine mother liquor that is equipped with of absorption tower is equipped with the baffle that the slope set up in the formaldehyde steam conduit, and the intercommunication is provided with air inlet and the piece of giving vent to anger on the right side wall of formaldehyde steam conduit, and air outlet and air inlet are located the upper and lower both sides of baffle respectively, and air inlet and the piece of giving vent to anger all communicate the setting with the absorption tower body. The utility model discloses a behind the miscellaneous urotropine mother liquor that filters of formaldehyde vapour, the output of impurity in the reducible urotropine production, reduce the production and the accumulation of impurity in the formaldehyde vapour pipeline, prolong urotropine production cycle effectively, improve product quality, avoid because of stopping the expense that produces of production cleaning equipment pipeline and the economic benefits loss that causes during the period of stopping production, after filtering urotropine mother liquor through formaldehyde vapour is miscellaneous, can make urotropine react more fully in process of production, product quality is better, technical standard and production efficiency have been improved.

Description

Ammonia absorption tower is used in urotropine production

Technical Field

The utility model relates to an ammonia absorption tower technical field especially relates to an ammonia absorption tower is used in urotropine production.

Background

Urotropine is an important chemical product, can be used as a curing agent of phenolic plastics, a catalyst of aminoplasts and an accelerator of rubber vulcanization, can be used as an anti-shrinking agent for textile production and a preservative and a medical diuretic for food processing in other industries, and raw materials used for industrial production of urotropine are formaldehyde gas and ammonia gas.

At present, when urotropine is produced, a formaldehyde steam pipeline needs to be cleaned regularly, time and labor are wasted, in addition, the shutdown and production halt are needed when the formaldehyde steam pipeline is cleaned, the production cost is increased, and the loss of economic benefits is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ammonia absorption tower is used in urotropine production for when urotropine carries out production at present in solving the background art, need regularly clear up formaldehyde steam conduit, waste time and energy, and when clearing up formaldehyde steam conduit, need shut down the production, increase the cost of production, cause the technical problem of economic benefits's loss.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ammonia absorption tower is used in urotropine production, includes formaldehyde steam conduit and absorption tower body, this internal urotropine mother liquor that is equipped with of absorption tower, be equipped with the baffle that the slope set up in the formaldehyde steam conduit, the intercommunication is provided with air inlet and gives vent to anger the piece on the right side wall of formaldehyde steam conduit, it is located the upper and lower both sides of baffle respectively to go out air outlet and air inlet, air inlet and air outlet all set up with absorption tower body intercommunication, this internal closing plate that is equipped with of absorption tower, air inlet is fixed to be run through the closing plate setting and is located below the absorption liquid level, the fixed intercommunication that runs through on the closing plate is equipped with the intercommunication piece, the intercommunication piece sets up with air outlet intercommunication.

Preferably, a liquid discharge pipe is communicated with the inner wall of the right side of the bottom of the absorption tower body, and a first valve is fixedly mounted on the liquid discharge pipe.

Preferably, the baffle is connected with the inner wall of the formaldehyde steam pipeline in a sealing manner, the sealing plate is connected with the inner wall of the absorption tower body in a sealing manner, and both the baffle and the sealing plate are made of corrosion-resistant alloy products.

Preferably, the air inlet part sets up the L type intake pipe on formaldehyde vapour pipeline right side inner wall including the intercommunication, the one end that L type intake pipe is located formaldehyde vapour pipeline is located the below of baffle, the fixed absorption tower body left side inner wall that runs through of horizontal segment of L type intake pipe sets up, the fixed closing plate setting that runs through of lower extreme of the vertical section of L type intake pipe is located below the liquid level of urotropine mother liquor, one of L type intake pipe position between formaldehyde vapour pipeline and the absorption tower body is served fixed mounting and is had the second valve.

Preferably, go out the gas spare and set up the blast pipe on formaldehyde steam pipeline right side inner wall including the intercommunication, the one end that the blast pipe is located formaldehyde steam conduit is located the top of baffle, the blast pipe is located one of formaldehyde steam conduit and absorption tower body between and serves fixed mounting have the third valve, the intercommunication spare sets up with the blast pipe intercommunication.

Preferably, the communicating piece comprises a plurality of connecting pipes which fixedly penetrate through the sealing plate, the connecting pipes are fixedly arranged at one ends below the sealing plate and are fixedly provided with waterproof rings, and one ends, far away from the sealing plate, of the connecting pipes are communicated with the exhaust pipes.

Compared with the prior art, the utility model, its beneficial effect does:

1. after the urotropine mother liquor is filtered through the formaldehyde steam impurities, the yield of impurities in urotropine production can be reduced, the generation and accumulation of impurities in a formaldehyde steam pipeline are reduced, the production period of urotropine is effectively prolonged, the product quality is improved, and the cost caused by stopping the machine to stop producing and cleaning the equipment pipeline and the economic benefit loss caused during the stopping production are avoided.

2. After the urotropine mother liquor is filtered through formaldehyde steam impurity, the urotropine can react more fully in the production process, the product quality is better, and the technical level and the production efficiency are improved.

Drawings

FIG. 1 is a schematic perspective view of an ammonia absorption tower for producing urotropine according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural view of an ammonia absorption tower for producing urotropine according to the present invention.

In the figure: the device comprises a formaldehyde steam pipeline 1, an absorption tower body 2, a partition plate 3, a sealing plate 4, a liquid discharge pipe 5, a first valve 6, a 7L-shaped air inlet pipe 8, a second valve 8, an exhaust pipe 9, a third valve 10, a connecting pipe 11 and a waterproof ring 12.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

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.

Referring to fig. 1-3, an ammonia absorption tower is used in urotropine production, includes formaldehyde steam conduit 1 and absorption tower body 2, is equipped with urotropine mother liquor in the absorption tower body 2, and absorption tower body 2 is located the intercommunication on the right side inner wall of bottom and is provided with fluid-discharge tube 5, and fixed mounting has first valve 6 on the fluid-discharge tube 5, and the model of first valve 6 is: 032ZXP-Q16BLS1-SEXP, first valve 6 is used for controlling the liquid flow in fluid-discharge tube 5, be equipped with the baffle 3 that the slope set up in the formaldehyde steam pipeline 1, the intercommunication is provided with air inlet spare and the spare of giving vent to anger on the right side wall of formaldehyde steam pipeline 1, it is located the upper and lower both sides of baffle 3 respectively to go out air spare and air inlet spare, air inlet spare and the spare of giving vent to anger all set up with absorption tower body 2 intercommunication, be equipped with closing plate 4 in the absorption tower body 2, baffle 3 and the inner wall sealing connection of formaldehyde steam pipeline 1, baffle 3 is used for discharging formaldehyde steam miscellaneous into in absorption tower body 2, closing plate 4 and the inner wall sealing connection of absorption tower body 2, baffle 3 and closing plate 4 are corrosion resistant alloy goods.

The fixed closing plate 4 that runs through of air inlet spare sets up and is located below the absorption liquid level, air inlet spare sets up L type intake pipe 7 on 1 right side inner wall of formaldehyde vapour pipe including the intercommunication, the one end that L type intake pipe 7 is located formaldehyde vapour pipe 1 is located the below of baffle 3, the fixed absorption tower body 2 left side inner wall that runs through of horizontal segment of L type intake pipe 7 sets up, the fixed closing plate 4 that runs through of lower extreme of the vertical section of L type intake pipe 7 sets up and is located below the liquid level of urotropine mother liquor, L type intake pipe 7 is located one between formaldehyde vapour pipe 1 and the absorption tower body 2 and serves fixed mounting has second valve 8, the 8 models of second valve are: and the DSG-03-3C60, and the second valve 8 are used for controlling the gas flow in the L-shaped air inlet pipe 7.

The piece of giving vent to anger sets up blast pipe 9 on 1 right side inner wall of formaldehyde vapour pipeline including the intercommunication, and the one end that blast pipe 9 is located formaldehyde vapour pipeline 1 is located the top of baffle 3, and blast pipe 9 is located one of formaldehyde vapour pipeline 1 and absorption tower body 2 between serves fixed mounting have third valve 10, and the model of third valve 10 is: DSG-03-3C60, third valve 10 is used for controlling the gas flow in blast pipe 9, the connecting piece sets up with blast pipe 9 intercommunication, the fixed communicating piece that runs through is equipped with on the closing plate 4, the connecting piece sets up with the piece intercommunication of giving vent to anger, the connecting piece is including a plurality of connecting pipes 11 that the fixed closing plate 4 that runs through set up, a plurality of connecting pipes 11 are located all fixed mounting on the one end of closing plate 4 below has waterproof ring 12, waterproof ring 12 can prevent to cause the corrosion after urotroping mother liquor and the contact of connecting pipe 11, the one end that closing plate 4 was kept away from to a plurality of connecting pipes 11 all sets up with blast pipe 9.

When the utility model is used, urotropine mother liquor is guided into the absorption tower body 2 through the liquid discharge pipe 5, formaldehyde gas impurities are conveyed through the formaldehyde gas pipeline 1, the formaldehyde gas impurity matching baffle 3 is guided into the absorption tower body 2 through the L-shaped air inlet pipe 7 and is positioned below the liquid level of the urotropine mother liquor, after the formaldehyde gas impurities are filtered through the urotropine mother liquor, the output of impurities in urotropine production is reduced, the generation and accumulation of the impurities in the formaldehyde gas pipeline 1 are reduced, the production period of urotropine is effectively prolonged, the product quality is improved, the cost caused by stopping production of cleaning equipment pipelines and the economic benefit loss caused during stopping production are avoided, meanwhile, the urotropine can be more fully reacted in the production process, the product quality is better, the technical level and the production efficiency are improved, the filtered formaldehyde gas impurities are conveyed into the exhaust pipe 9 through the connecting pipes 11, and conveyed into the formaldehyde gas pipeline 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an ammonia absorption tower is used in urotropine production, includes formaldehyde steam conduit (1) and absorption tower body (2), be equipped with urotropine mother liquor in absorption tower body (2), its characterized in that, be equipped with baffle (3) that the slope set up in formaldehyde steam conduit (1), the intercommunication is provided with air inlet and the piece of giving vent to anger on the right side wall of formaldehyde steam conduit (1), it is located the upper and lower both sides of baffle (3) respectively with air inlet to go out the piece, air inlet and the piece of giving vent to anger all set up with absorption tower body (2) intercommunication, be equipped with closing plate (4) in absorption tower body (2), air inlet is fixed to run through closing plate (4) and is located below the absorption liquid level, fixed running through is equipped with the intercommunication piece on closing plate (4), the intercommunication piece sets up with the piece intercommunication of giving vent to anger.

2. The ammonia absorption tower for producing urotropine according to claim 1, wherein a liquid discharge pipe (5) is arranged on the right inner wall of the absorption tower body (2) at the bottom in a communicating manner, and a first valve (6) is fixedly arranged on the liquid discharge pipe (5).

3. The ammonia absorption tower for producing urotropine according to claim 1, wherein the baffle (3) is connected with the inner wall of the formaldehyde steam pipeline (1) in a sealing way, the sealing plate (4) is connected with the inner wall of the absorption tower body (2) in a sealing way, and the baffle (3) and the sealing plate (4) are made of corrosion-resistant alloy.

4. The ammonia absorption tower for producing urotropine according to claim 1, wherein the air inlet part comprises an L-shaped air inlet pipe (7) which is communicated with and arranged on the inner wall of the right side of the formaldehyde steam pipeline (1), one end of the L-shaped air inlet pipe (7) positioned in the formaldehyde steam pipeline (1) is positioned below the partition plate (3), the horizontal section of the L-shaped air inlet pipe (7) is fixedly arranged by penetrating through the inner wall of the left side of the absorption tower body (2), the lower end of the vertical section of the L-shaped air inlet pipe (7) is fixedly arranged by penetrating through the sealing plate (4) and is positioned below the liquid level of urotropine mother liquor, and one end of the L-shaped air inlet pipe (7) positioned between the formaldehyde steam pipeline (1) and the absorption tower body (2) is fixedly provided with a second valve (8).

5. The ammonia absorption tower for producing urotropine according to claim 1, wherein the gas outlet part comprises an exhaust pipe (9) which is communicated with and arranged on the inner wall of the right side of the formaldehyde steam pipeline (1), one end of the exhaust pipe (9) positioned in the formaldehyde steam pipeline (1) is positioned above the partition plate (3), one end of the exhaust pipe (9) positioned between the formaldehyde steam pipeline (1) and the absorption tower body (2) is fixedly provided with a third valve (10), and the communicating part is communicated with the exhaust pipe (9).

6. The ammonia absorption tower for producing urotropine according to claim 5, wherein the communicating member comprises a plurality of connecting pipes (11) fixedly arranged through the sealing plate (4), a waterproof ring (12) is fixedly arranged on one end of each of the plurality of connecting pipes (11) below the sealing plate (4), and one end of each of the plurality of connecting pipes (11) far away from the sealing plate (4) is communicated with the exhaust pipe (9).