CN212417493U - Cross-flow mixed ammonia gas absorption device - Google Patents
Cross-flow mixed ammonia gas absorption device Download PDFInfo
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- CN212417493U CN212417493U CN202020933355.7U CN202020933355U CN212417493U CN 212417493 U CN212417493 U CN 212417493U CN 202020933355 U CN202020933355 U CN 202020933355U CN 212417493 U CN212417493 U CN 212417493U
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Abstract
The utility model provides a cross-flow mixed ammonia gas absorption device, which comprises an absorption tank, a circulating pump, a heat exchanger, a flowmeter, a thermometer and a discharge hole; the absorption tank is internally and symmetrically provided with cross flow plates, a gas distributor is arranged below the absorption tank, and an ammonia gas inlet is arranged below the absorption tank and is connected with the gas distributor; a circulating ammonia water outlet is formed in one side below the absorption tank and connected with a flowmeter; the upper portion is provided with the shower head in the absorption tank, the absorption tank top is provided with circulation aqueous ammonia entry, the shower head is connected with the below of circulation aqueous ammonia entry, the heat exchanger is connected with circulation aqueous ammonia entry, the thermometer set up in between heat exchanger and the circulation aqueous ammonia entry. The utility model discloses ability homogeneous mixing aqueous ammonia, equipment investment is little, and the energy consumption is low.
Description
Technical Field
The utility model belongs to the technical field of ammonia absorption equipment, concretely relates to cross-flow mixed type ammonia absorbing device.
Background
Ammonia gas is colorless and has pungent smell at normal temperature and is easily soluble in water, and when the ammonia gas is dissolved in water, ammonia molecules are combined with water molecules to form ammonia water. When ammonia gas is dissolved in water, a large amount of heat is released, the ammonia solubility becomes small after the temperature of the ammonia water solution rises, and the concentration of the obtained ammonia water is low.
In the actual production at present, most of ammonia absorption adopts a method that a tank body is filled with water, and an ammonia pipeline is directly inserted into the tank body for absorption, so that the concentration of the lower part of the tank body is higher, the concentration of the upper part of the tank body is lower, and meanwhile, because the tank body is not stirred transversely, the concentration of ammonia water is also unevenly distributed in the horizontal direction in the tank body, and the concentration fluctuation of the produced ammonia water is larger.
In the prior art, the ammonia water is also absorbed by a packed tower, namely water is sprayed from the top of the tower, ammonia gas is introduced from the bottom of the tower, the packing is added into the tower, and the ammonia gas is absorbed on the surface of the packing (water is added to form a water film).
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an overcome present ammonia absorbing device's shortcoming, provide one set of ammonia absorbing device that can the homogeneous mixing aqueous ammonia, equipment investment is little, the energy consumption is low.
In order to achieve the above object, the utility model provides a following technical scheme:
the cross-flow mixed ammonia gas absorption device is characterized by comprising an absorption tank, a circulating pump, a heat exchanger, a flowmeter, a thermometer and a discharge port, wherein the flowmeter, the circulating pump and the heat exchanger are sequentially connected, and the discharge port is arranged between the circulating pump and the heat exchanger;
the absorption tank is internally and symmetrically provided with cross flow plates, a gas distributor is arranged below the absorption tank, and an ammonia gas inlet is arranged below the absorption tank and is connected with the gas distributor;
a circulating ammonia water outlet is formed in one side below the absorption tank and connected with a flowmeter;
a spray header is arranged at the upper part in the absorption tank, a circulating ammonia water inlet is arranged above the absorption tank, the spray header is connected with the lower part of the circulating ammonia water inlet, the heat exchanger is connected with the circulating ammonia water inlet, and the thermometer is arranged between the heat exchanger and the circulating ammonia water inlet;
and a tap water inlet is formed in one side of the absorption tank.
Furthermore, the absorption tank is connected with an online ammonia water concentration monitor, so that the ammonia water concentration can be monitored in real time.
Furthermore, an access hole is formed above the absorption tank, so that equipment can be maintained conveniently.
The absorption tank, the circulating pump, the heat exchanger, the flowmeter, the thermometer and the discharge port are connected through pipelines to form a closed system.
Further, the plate hole angle of the cross flow plate is 20-90 degrees.
Further, the diameter of the plate hole of the cross flow plate is 1-30 cm.
Further, the plate spacing of the cross flow plates is 10-300 cm.
Further, the angles of the two adjacent plate holes on the cross-flow plate are opposite.
The utility model discloses a setting of cross-flow plate can realize that effectual cross-flow mixes ammonia and water, lets the ammonia absorb more completely, and aqueous ammonia horizontal direction concentration is more even.
The cross-flow mixing is realized by spraying one or more streams of fluid into another fluid and by main body diffusion, turbulent diffusion and molecular diffusion among the fluids, wherein the main body diffusion is a control factor, so that the aim of mixing materials is fulfilled, and the cross-flow mixing device is suitable for a quick mixing system of liquid, gas and gas with different densities and multiple materials and gas and liquid. The cross-flow mixing has the characteristics of obviously enhancing the heat and mass transfer and micro mixing of the fluid, and can achieve the process of rapid mixing.
The utility model discloses a working process does: firstly, opening a tap water inlet valve, adding the water level of an absorption tank to 2 min of the water level, closing the tap water valve, then opening a circulating cooling water valve of a heat exchanger, then opening a relevant valve of an ammonia water circulating pipeline, further opening a circulating pump, then opening an ammonia gas inlet valve, absorbing ammonia gas by liquid circulation, and pumping the ammonia water out of a discharge port when an online ammonia water concentration monitor displays that the ammonia water concentration is 20%.
The utility model discloses following beneficial effect has:
compared with the existing ammonia water absorption device, the ammonia gas and water are mixed in the absorption tank through the cross flow of the plurality of layers of cross flow plates, so that the ammonia gas is absorbed more completely, and the concentration of the ammonia water in the horizontal direction is more uniform. And the circulating pump circulates the ammonia water up and down, so that the concentration of the ammonia water integrally tends to be uniform, and the produced ammonia water has stable quality. Meanwhile, the device has the advantages of simple structure, small volume, small equipment investment, low energy consumption and capability of using a pump with small power.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention;
the system comprises an absorption tank 1, a cross flow plate 2, a gas distributor 3, a spray header 4, a circulating pump 5, a heat exchanger 6, a flowmeter 7, a thermometer 8, an online ammonia water concentration monitor 9, an ammonia gas inlet 10, an ammonia gas outlet 11, a circulating ammonia water outlet 12, a circulating ammonia water inlet 13, a maintenance port 14, a tap water inlet 15 and a pipeline 16.
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.
Examples
A cross-flow mixed type ammonia gas absorption device is characterized by comprising an absorption tank 1, a circulating pump 5, a heat exchanger 6, a flowmeter 7, a thermometer 8 and a discharge port 11, wherein the flowmeter 7, the circulating pump 5 and the heat exchanger 6 are sequentially connected, and the discharge port 11 is arranged between the circulating pump 5 and the heat exchanger 6;
the absorption tank 1 is internally and symmetrically provided with cross flow plates 2, a gas distributor 3 is arranged below the absorption tank 1, an ammonia gas inlet 10 is arranged below the absorption tank 1, and the ammonia gas inlet 10 is connected with the gas distributor 3;
a circulating ammonia water outlet 12 is formed in one side below the absorption tank 1, and the circulating ammonia water outlet 12 is connected with the flowmeter 7;
a spray header 4 is arranged at the upper part in the absorption tank 1, a circulating ammonia water inlet 13 is arranged above the absorption tank 1, the spray header 4 is connected with the lower part of the circulating ammonia water inlet 13, the heat exchanger 6 is connected with the circulating ammonia water inlet 13, and the thermometer 8 is arranged between the heat exchanger 6 and the circulating ammonia water inlet 13;
one side of the absorption tank 1 is provided with a tap water inlet 15.
Further, the absorption tank 1 is connected with an online ammonia water concentration monitor 9.
Further, an access opening 14 is arranged above the absorption tank 1.
Further, the device also comprises a pipeline 16, and the absorption tank 1, the circulating pump 5, the heat exchanger 6, the flowmeter 7, the thermometer 8 and the discharge port 11 are connected through the pipeline 16 to form a closed system.
Further, the plate hole angle of the cross flow plate 2 is 20-90 degrees.
Further, the diameter of the hole of the cross flow plate 2 is 1-30 cm.
Further, the distance between the cross flow plates 2 is 10-300 cm.
Further, the angles of two adjacent plate holes on the cross flow plate 2 are opposite.
The working process is as follows: firstly, opening a tap water inlet valve, adding the water level of an absorption tank to 2 min of the water level, closing the tap water valve, then opening a circulating cooling water valve of a heat exchanger, then opening a relevant valve of an ammonia water circulating pipeline, further opening a circulating pump, then opening an ammonia gas inlet valve, absorbing ammonia gas by liquid circulation, and pumping the ammonia water out of a discharge port when an online ammonia water concentration monitor displays that the ammonia water concentration is 20%.
Compared with the existing ammonia water absorption device, the ammonia gas and water are mixed in the absorption tank through the cross flow of the plurality of layers of cross flow plates, so that the ammonia gas is absorbed more completely, and the concentration of the ammonia water in the horizontal direction is more uniform. And the circulating pump circulates the ammonia water up and down, so that the concentration of the ammonia water integrally tends to be uniform, and the produced ammonia water has stable quality. Meanwhile, the device has the advantages of simple structure, small volume, small equipment investment, low energy consumption and capability of using a pump with small power.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (8)
1. The cross-flow mixed ammonia gas absorption device is characterized by comprising an absorption tank (1), a circulating pump (5), a heat exchanger (6), a flowmeter (7), a thermometer (8) and a discharge port (11), wherein the flowmeter (7), the circulating pump (5) and the heat exchanger (6) are sequentially connected, and the discharge port (11) is arranged between the circulating pump (5) and the heat exchanger (6);
the absorption tank (1) is internally and symmetrically provided with cross flow plates (2), a gas distributor (3) is arranged below the absorption tank (1), an ammonia gas inlet (10) is arranged below the absorption tank (1), and the ammonia gas inlet (10) is connected with the gas distributor (3);
a circulating ammonia water outlet (12) is formed in one side below the absorption tank (1), and the circulating ammonia water outlet (12) is connected with the flowmeter (7);
a spray header (4) is arranged at the upper part in the absorption tank (1), a circulating ammonia water inlet (13) is arranged above the absorption tank (1), the spray header (4) is connected with the lower part of the circulating ammonia water inlet (13), the heat exchanger (6) is connected with the circulating ammonia water inlet (13), and the thermometer (8) is arranged between the heat exchanger (6) and the circulating ammonia water inlet (13);
one side of the absorption tank (1) is provided with a tap water inlet (15).
2. The cross-flow mixed ammonia gas absorption device according to claim 1, wherein the absorption tank (1) is connected with an online ammonia water concentration monitor (9).
3. The cross-flow mixed ammonia gas absorption device according to claim 1, wherein a service opening (14) is arranged above the absorption tank (1).
4. The cross-flow mixed type ammonia gas absorption device according to claim 1, further comprising a pipeline (16), wherein the absorption tank (1), the circulating pump (5), the heat exchanger (6), the flow meter (7), the thermometer (8) and the discharge port (11) are connected into a closed system through the pipeline (16).
5. The cross-flow mixed ammonia gas absorption device as claimed in claim 1 wherein the plate hole angle of the cross-flow plate (2) is 20-90 °.
6. The cross-flow mixed ammonia gas absorption device according to claim 1, wherein the plate holes of the cross-flow plate (2) have a diameter of 1-30 cm.
7. The cross-flow mixed ammonia gas absorption device as claimed in claim 1, wherein the distance between the cross-flow plates (2) is 10-300 cm.
8. The cross-flow mixed ammonia gas absorption device as claimed in claim 1 wherein the angles of two adjacent plate holes on the cross-flow plate (2) are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020933355.7U CN212417493U (en) | 2020-05-28 | 2020-05-28 | Cross-flow mixed ammonia gas absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020933355.7U CN212417493U (en) | 2020-05-28 | 2020-05-28 | Cross-flow mixed ammonia gas absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212417493U true CN212417493U (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020933355.7U Active CN212417493U (en) | 2020-05-28 | 2020-05-28 | Cross-flow mixed ammonia gas absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212417493U (en) |
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2020
- 2020-05-28 CN CN202020933355.7U patent/CN212417493U/en active Active
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