CN210131397U

CN210131397U - Ammonia water gas-liquid separation system

Info

Publication number: CN210131397U
Application number: CN201920230610.9U
Authority: CN
Inventors: 庞枫林; 杜文生
Original assignee: Polyfluoro Kunming Technology Development Co Ltd
Current assignee: Polyfluoro Kunming Technology Development Co Ltd
Priority date: 2019-02-25
Filing date: 2019-02-25
Publication date: 2020-03-10
Anticipated expiration: 2029-02-25

Abstract

The utility model relates to an aqueous ammonia processing technology field, concretely relates to aqueous ammonia gas-liquid separation system. The specific technical scheme is as follows: the utility model provides an aqueous ammonia gas-liquid separation system, includes the frame, sets up the jar body in the frame and sets up the cover at jar body top, jar body bottom is equipped with and is located jar internal stirring subassembly, jar internal ammonia processing assembly that is equipped with, ammonia processing assembly includes from last to setting up respectively down the internal layer and the defoaming layer that absorb water of jar, be fixed with the annular shelves strip that is parallel to each other on the internal wall of jar from last to down, absorb water the layer and place respectively with defoaming layer on the annular shelves strip. The utility model provides a contain vapor in the ammonia of separation among the prior art and lead to the problem that aqueous ammonia gas-liquid separation effect is poor and separation efficiency is low.

Description

Ammonia water gas-liquid separation system

Technical Field

The utility model relates to an aqueous ammonia processing technology field, concretely relates to aqueous ammonia gas-liquid separation system.

Background

The ammonia water is a liquid with low boiling point and easy volatilization, and can easily volatilize chlorine in the air, and the ammonia gas has strong irritation. At present, in the industries of chemical engineering, nonferrous metal smelting and the like, desulfurization, dechlorination and denitration can cause a large amount of ammonia water to be generated, and if the ammonia water is directly discharged, not only can the environment be seriously polluted, but also the waste of resources can be caused. Therefore, it is necessary to separate ammonia gas from ammonia water to separate and recover ammonia gas in the ammonia water.

In the use process of the existing ammonia-water-gas-liquid separator, because more foams exist in a tank body, the separation efficiency of ammonia steam is reduced, the working efficiency of the ammonia-water-gas-liquid separator is reduced, the separated ammonia gas also contains water vapor, and the water vapor is combined with the ammonia gas after being cooled to form ammonia water, so that the separation effect of the ammonia water is not ideal.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides an aqueous ammonia gas-liquid separation system has solved the problem that contains vapor in the ammonia of separation among the prior art and lead to aqueous ammonia gas-liquid separation effect poor and separation efficiency low.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

an ammonia water gas-liquid separation system comprises a rack, a tank body arranged on the rack and a tank cover arranged at the top of the tank body, wherein a stirring assembly positioned in the tank body is arranged at the bottom of the tank body, an ammonia gas treatment assembly is arranged in the tank body and comprises a water absorption layer and a foam removal layer which are respectively arranged in the tank body from top to bottom, annular stop bars which are parallel to each other are fixed on the inner wall of the tank body from top to bottom, and the water absorption layer and the foam removal layer are respectively arranged on the annular stop bars;

a first cavity and a second cavity are respectively arranged on the side wall of the tank body from top to bottom, a sealing door is hinged on the tank body between the first cavity and the second cavity, and a water inlet pipe and a water outlet pipe communicated with the first cavity are arranged on the side wall of the upper part of the tank body; the ammonia feeding device is characterized in that an ammonia feeding pipe communicated with the tank body is arranged on the side wall of the lower portion of the tank body, and an ammonia discharging pipe and a sewage discharging pipe communicated with the tank body are respectively arranged at the bottom of the tank body.

Preferably, the stirring assembly comprises a stirring shaft and blades arranged on the stirring shaft, wherein a motor is arranged at one end of the stirring shaft, and the motor is positioned outside the tank body.

Preferably, the defoaming layer corresponds to the sealing door, and the arc length of the sealing door is half of the perimeter of the inner wall of the tank body.

Preferably, a liquid level sensor and a temperature sensor are respectively arranged below the defoaming layer.

Preferably, the first cavity is filled with cooling liquid, and the second cavity is internally provided with an electric heating wire.

Preferably, the top of the tank cover is respectively provided with an ammonia gas recovery pipe and a safety valve.

Preferably, the water inlet pipe, the water outlet pipe, the ammonia inlet pipe, the ammonia outlet pipe, the blow-off pipe and the ammonia gas recovery pipe are respectively provided with a valve.

Preferably, the ammonia inlet pipe is provided with a filtering joint.

Preferably, the water absorbing layer is an alkali lime layer, and the defoaming layer is a wire mesh demister.

The utility model discloses possess following beneficial effect:

the utility model discloses set the lateral wall of the jar body to two cavitys of first cavity and second cavity, let in the circulating water in first cavity, set up the heating wire in the second cavity to set up the stirring subassembly in the bottom of the jar body, thereby stir and heat the internal aqueous ammonia of jar, accelerate the speed of volatilizing of ammonia in the aqueous ammonia, improve aqueous ammonia gas-liquid separation's efficiency. Meanwhile, in order to remove the foam generated in the gas-liquid separation process of the ammonia water and the water vapor mixed in the volatilization process of the ammonia gas in the ammonia water, a water absorption layer and a defoaming layer are respectively arranged in the tank body from top to bottom, the defoaming layer is used for removing the foam floating above the ammonia water, and the water absorption layer is used for removing the water vapor mixed with the ammonia gas, so that the ammonia gas is dried; specifically, the defoaming layer is arranged above the second cavity, and the sealing door is arranged on the tank body of the first cavity and the tank body of the second cavity, so that the defoaming layer can be replaced and detached conveniently.

Drawings

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

in the figure: the device comprises a frame 1, a tank body 2, a tank cover 3, a water absorption layer 4, a defoaming layer 5, an annular barrier 6, a first cavity 7, a second cavity 8, a sealing door 9, a water inlet pipe 10, a water outlet pipe 11, an ammonia inlet pipe 12, an ammonia outlet pipe 13, a sewage discharge pipe 14, a stirring shaft 15, blades 16, a motor 17, a liquid level sensor 18, a temperature sensor 19, an ammonia gas recovery pipe 20, a safety valve 21, a valve 22 and a filter joint 23.

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, the utility model discloses an ammonia water gas-liquid separation system, including frame 1, set up jar body 2 and the cover 3 of setting at the top of jar body 2 on frame 1, cover 3 is sealed with jar body 2, jar body 2 bottom is equipped with the stirring subassembly that is located jar body 2, be equipped with ammonia processing module in jar body 2, ammonia processing module includes from last to setting up respectively in jar body 2 water absorption layer 4 and defoaming layer 5 down, water absorption layer 4 is the alkali lime layer, mainly used for getting rid of the vapor of mixing in the ammonia, defoaming layer 5 is silk screen demister, mainly used for getting rid of the foam in jar body 2; the inner wall of the tank body 2 is fixed with annular stop bars 6 which are parallel to each other from top to bottom, and the water absorption layer 4 and the defoaming layer 5 are respectively arranged on the annular stop bars 6, which can be understood as follows: annular shelves 6 have two, and the layer 4 that absorbs water sets up in the top that removes foam layer 5, places respectively on two annular shelves 6, is convenient for change and dismantlement.

Be equipped with first cavity 7 and second cavity 8 respectively down on the lateral wall of the jar body 2 from last, fill the coolant liquid in the first cavity 7, the coolant liquid can be water, is equipped with the heating wire in the second cavity 8, and the heating wire heats the aqueous ammonia of the jar body 2 for volatilizing of aqueous ammonia, the coolant liquid cools down the aqueous ammonia that volatilizees in the jar body 2, and the ammonia temperature of avoiding retrieving is higher. The first cavity 7 is arranged at the upper part of the tank body 2, the second cavity 8 is arranged at the lower part of the tank body 2, the tank body 2 between the first cavity 7 and the second cavity 8 is hinged with a sealing door 9, the sealing door 9 is arranged mainly because the foam removing layer 5 cannot be replaced and detached due to the arrangement of the two annular stop bars 6, and a handle can be fixedly connected to the outer wall of the sealing door 9 for opening and closing the sealing door 9. Further, the water absorbing layer 4 may also correspond to the sealing door 9, so that the water absorbing layer 4 and the defoaming layer 5 can be replaced or removed through the sealing door 9. The side wall of the upper part of the tank body 2 is provided with a water inlet pipe 10 and a water outlet pipe 11 which are communicated with the first cavity 7, the water inlet pipe 10 and the water outlet pipe 11 can be replaced mutually, namely the water outlet of the water inlet pipe 10 and the water inlet of the water outlet pipe 11 are arranged according to actual requirements, the water inlet pipe 10 and the water outlet pipe 11 can be connected with a water storage tank, so that the water in the first cavity 7 can be circulated, the gas in the tank body 2 can be cooled circularly, and water resources are saved; an ammonia inlet pipe 12 communicated with the tank body 2 is arranged on the side wall of the lower part of the tank body 2, the ammonia inlet pipe 12 is arranged below the defoaming layer 5, the ammonia inlet pipe 12 penetrates through the second cavity 8, and ammonia water is mainly introduced into the tank body 2; the bottom of the tank body 2 is respectively provided with an ammonia outlet pipe 13 and a sewage discharge pipe 14 which are communicated with the tank body 2, the ammonia outlet pipe 13 discharges dilute ammonia water, and the sewage discharge pipe 14 discharges residual impurities in the tank body 2. It should be noted that: the tank body 2 between the first cavity 7 and the second cavity 8 is a solid body and is not a cavity, a sealing door 9 is arranged on the tank body 2, the sealing door 9 corresponds to the defoaming layer 5, the arc length of the sealing door 9 is half of the perimeter of the inner wall of the tank body 2, and the defoaming layer 5 can be taken out and placed through the sealing door 9.

In order to further accelerate the volatilization of ammonia in the ammonia water, a stirring assembly located in the tank body 2 is arranged at the bottom of the tank body 2 and is used for slowly stirring the ammonia water, the stirring assembly comprises a stirring shaft 15 and blades 16 arranged on the stirring shaft 15, a motor 17 is arranged at one end of the stirring shaft 15, the motor 17 is located outside the tank body 2, and the stirring shaft 15 is connected with the bottom of the tank body 2 through a sealing bearing. It should be noted that: the length of the stirring shaft 15 is less than the distance between the defoaming layer 5 and the bottom of the tank body 2, and the stirring shaft is positioned in the tank body 2 below the defoaming layer 5.

Further, the below that removes foam layer 5 is equipped with level sensor 18 and temperature sensor 19 respectively, monitors the temperature of the interior aqueous ammonia of jar body 2 and the height of liquid level respectively to judge whether to continue to add the aqueous ammonia and whether to continue to heat the aqueous ammonia, the temperature that the aqueous ammonia heated can be injectd according to the in-service use needs can, the position that level sensor 18 set up can be preferred to be corresponding with the liquid outlet that advances ammonia pipe 12. The ammonia water in the tank body 2 is heated, so that the ammonia gas changes the pressure in the tank body 2 when volatilizing, and a safety valve 21 is arranged at the top of the tank cover 3 in order to keep the pressure in the tank body 2 stable. And the ammonia gas is recovered through an ammonia gas recovery pipe 20 provided at the top of the can lid 3. Further, can need not to set up level sensor 18, set up a flowmeter on advancing ammonia pipe 12, according to defoaming layer 5 below, jar body 2's volume, through the volume of the aqueous ammonia of flowmeter control entering jar body 2, for avoiding the aqueous ammonia to pass defoaming layer 5, the addition of aqueous ammonia will be less than defoaming layer 5 below, jar body 2's volume.

Furthermore, in order to control each pipeline, valves 22 are respectively arranged on the water inlet pipe 10, the water outlet pipe 11, the ammonia inlet pipe 12, the ammonia outlet pipe 13, the sewage discharge pipe 14 and the ammonia gas recovery pipe 20. In order to remove impurities from the ammonia water passing through the tank body 2, the filtering joint 23 is arranged on the ammonia inlet pipe 12, and the positions and the sequence of the valve 22 and the filtering joint 23 on the ammonia inlet pipe 12 can be set conventionally according to the use requirement.

When the utility model is used, the stirring component is arranged at the bottom of the tank body 2, then the water absorption layer 4 is placed, the sealing door 9 is opened, the defoaming layer 5 is placed, and the sealing door 9 is closed; ammonia water is introduced into the tank body 2 through the ammonia inlet pipe 12, the liquid level sensor 18 monitors the liquid level height of the introduced ammonia water, and when the ammonia water reaches the position of the liquid level sensor 18, the introduction of the ammonia water is stopped; at this time, the electric heating wire in the second cavity 8 is heated, and the motor 17 is started to stir the ammonia water; meanwhile, water is introduced into the first cavity 7 through the water inlet pipe 10, and after the first cavity 7 is filled with water, the water outlet pipe 11 is opened to keep the water inlet speed of the water inlet pipe 10 consistent with the water outlet speed of the water outlet pipe 11, so that the water in the first cavity 7 is in a circulating state. The aqueous ammonia can produce the foam at the in-process of heating and stirring, the foam is blockked in the below of defoaming layer 5 when removing the contact of defoaming layer 5, the ammonia is through removing defoaming layer 5 and to rising, owing to heated the aqueous ammonia, still mixed with vapor in the ammonia this moment, ammonia and vapor gas mixture is through absorbing water layer 4 time, vapor is absorbed, the ammonia after the drying has got into the jar body 2 at first cavity 7 place in, the recirculated cooling water then cools down the processing to the ammonia, finally make the ammonia pass through ammonia recovery tube 20 and be retrieved.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so 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 above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an aqueous ammonia gas-liquid separation system, includes frame (1), set up jar body (2) in frame (1) and set up cover (3) at jar body (2) top, its characterized in that: the bottom of the tank body (2) is provided with a stirring component positioned in the tank body (2), an ammonia gas treatment component is arranged in the tank body (2), the ammonia gas treatment component comprises a water absorption layer (4) and a defoaming layer (5) which are respectively arranged in the tank body (2) from top to bottom, the inner wall of the tank body (2) is fixed with annular stop bars (6) which are parallel to each other from top to bottom, the water absorbing layer (4) and the defoaming layer (5) are respectively arranged on the annular baffle strip (6), the side wall of the tank body (2) is respectively provided with a first cavity (7) and a second cavity (8) from top to bottom, a sealing door (9) is hinged on the tank body (2) between the first cavity (7) and the second cavity (8), a water inlet pipe (10) and a water outlet pipe (11) which are communicated with the first cavity (7) are arranged on the side wall of the upper part of the tank body (2); the ammonia feeding device is characterized in that an ammonia feeding pipe (12) communicated with the tank body (2) is arranged on the side wall of the lower portion of the tank body (2), and an ammonia discharging pipe (13) and a sewage discharging pipe (14) communicated with the tank body (2) are respectively arranged at the bottom of the tank body (2).

2. The ammonia water gas-liquid separation system of claim 1, wherein: the stirring assembly comprises a stirring shaft (15) and blades (16) arranged on the stirring shaft (15), a motor (17) is arranged at one end of the stirring shaft (15), and the motor (17) is positioned outside the tank body (2).

3. The ammonia water gas-liquid separation system of claim 1, wherein: the defoaming layer (5) corresponds to the sealing door (9), and the arc length of the sealing door (9) is half of the perimeter of the inner wall of the tank body (2).

4. The ammonia water gas-liquid separation system of claim 1, wherein: and a liquid level sensor (18) and a temperature sensor (19) are respectively arranged below the defoaming layer (5).

5. The ammonia water gas-liquid separation system of claim 1, wherein: the first cavity (7) is filled with cooling liquid, and the second cavity (8) is internally provided with an electric heating wire.

6. The ammonia water gas-liquid separation system of claim 1, wherein: the top of the tank cover (3) is respectively provided with an ammonia gas recovery pipe (20) and a safety valve (21).

7. The ammonia water gas-liquid separation system of claim 1, wherein: the water inlet pipe (10), the water outlet pipe (11), the ammonia inlet pipe (12), the ammonia outlet pipe (13), the sewage discharge pipe (14) and the ammonia gas recovery pipe (20) are respectively provided with a valve (22).

8. The ammonia water gas-liquid separation system of claim 1, wherein: and a filtering joint (23) is arranged on the ammonia inlet pipe (12).

9. The ammonia water gas-liquid separation system of claim 1, wherein: the water absorbing layer (4) is a soda lime layer, and the defoaming layer (5) is a wire mesh demister.