CN218307129U - Automatic breathing device of ammonia solution tank - Google Patents
Automatic breathing device of ammonia solution tank Download PDFInfo
- Publication number
- CN218307129U CN218307129U CN202222510663.0U CN202222510663U CN218307129U CN 218307129 U CN218307129 U CN 218307129U CN 202222510663 U CN202222510663 U CN 202222510663U CN 218307129 U CN218307129 U CN 218307129U
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- Prior art keywords
- ammonia
- tank
- ammonia solution
- pipe
- absorption tank
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 235000011114 ammonium hydroxide Nutrition 0.000 title claims abstract description 99
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 207
- 238000010521 absorption reaction Methods 0.000 claims abstract description 106
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
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- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses an ammonia solution case automatic breathing device, the intercommunication has the demineralized water inlet tube on the ammonia solution case, and the ammonia absorption jar passes through ammonia absorption jar intake pipe and links to each other with the ammonia solution case, and ammonia absorption jar intercommunication has ammonia absorption jar blast pipe, and ammonia absorption jar intake pipe low junction connecting tube is ammonia absorption jar drain pipe, and the eminence connecting tube is ammonia solution case breathing pipe. The other end of the ammonia absorption tank drain pipe is communicated with the ammonia absorption tank, an ammonia solution tank expiration check valve is arranged on an ammonia absorption tank air inlet pipe, the ammonia solution tank expiration check valve is higher than the connection position of the ammonia absorption tank air inlet pipe and other pipelines, and an ammonia solution tank inspiration check valve is arranged on an ammonia solution tank inspiration pipe. The method of the utility model can keep the internal normal pressure state when the liquid level in the closed ammonia solution tank changes.
Description
Technical Field
The utility model relates to a power plant's chemistry technical field especially relates to an ammonia solution case automatic breathing device.
Background
In a thermal power plant, the pH value is regulated by adding ammonia water into a water supply system, which is an important means for realizing the corrosion prevention of a thermodynamic system, and an ammonia solution tank is required to be provided with an absorber because ammonia is extremely volatile and has strong pungent smell, and ammonia gas leakage has irritation and corrosiveness to eyes, noses and skins of a human body and even can suffocate the human body. Most of the existing ammonia absorbers are physically adsorbed, and are treated by filling materials or flowing demineralized water, so that the operation effect is poor, and the phenomenon of ammonia volatilization exists.
In addition, the problem that ammonia directly volatilizees to the air also exists in current integral type breather valve, and current ammonia recovery sealing device can not directly volatilize ammonia to the air in, but has the structure complicacy, unable balanced absorption tank internal gas pressure, leads to the problem of jar body deformation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming that above-mentioned prior art exists, the utility model aims to provide an automatic breathing device of ammonia solution case, the device collect ammonia absorption and air supply as an organic whole, when ammonia solution incasement portion is in airtight environment, keeps inside ordinary pressure state when can absorb the ammonia. Simple structure, small, the demineralized water that filters the ammonia can be changed automatically simultaneously.
In order to achieve the purpose, the utility model provides an automatic breathing device of an ammonia solution tank, which comprises a demineralized water inlet pipe, an ammonia absorption tank air inlet pipe, an ammonia absorption tank drain pipe, an ammonia solution tank air suction pipe, an ammonia absorption tank exhaust pipe and an ammonia solution tank; wherein,
the ammonia solution tank is communicated with a demineralized water inlet pipe;
the ammonia gas absorption tank is communicated with the ammonia solution tank through an ammonia gas inlet pipe of the ammonia gas absorption tank;
the ammonia absorption tank is communicated with an exhaust pipe of the ammonia absorption tank;
the air inlet pipe of the ammonia gas absorption tank is communicated with a high connecting pipeline and a low connecting pipeline, the low connecting pipeline is a water outlet pipe of the ammonia gas absorption tank, the high connecting pipeline is an air suction pipe of an ammonia solution tank, and the other end of the water outlet pipe of the ammonia gas absorption tank is communicated with the ammonia gas absorption tank;
an ammonia solution tank expiration check valve is arranged on the ammonia gas absorption tank air inlet pipe, and the position of the ammonia solution tank expiration check valve is higher than the connection position of the ammonia gas absorption tank air inlet pipe and other pipelines;
and an air suction check valve of the ammonia solution tank is arranged on the air suction pipe of the ammonia solution tank.
Preferably, the ammonia solution tank and the ammonia gas absorption tank are both sealed containers.
Preferably, a stop valve is arranged on the demineralized water inlet pipe.
Preferably, the device further comprises a demineralized water inlet main pipe, and the other end of the demineralized water inlet pipe is communicated with the demineralized water inlet main pipe.
Preferably, the device still includes ammonia absorption tank inlet tube, ammonia absorption tank inlet tube one end and demineralized water female pipe intercommunication of intaking, the other end and ammonia absorption tank intercommunication.
Preferably, the ammonia gas absorption tank air inlet pipe, the ammonia gas absorption tank water outlet, the ammonia gas absorption tank drain pipe and the ammonia solution tank air suction pipe are all made of stainless steel materials.
Preferably, the ammonia absorption tank is provided with a normally closed water inlet electromagnetic valve on the water inlet pipe, and the ammonia absorption tank is provided with a normally closed water outlet electromagnetic valve on the water outlet pipe.
Preferably, the device still includes the control box, the inside time relay that is provided with of control box, the control box carries out the electricity with normally closed water solenoid valve and is connected.
Compared with the prior art, the utility model discloses following beneficial effect has:
the device of the utility model is simple in structure, when ammonia solution tank is inside to be in airtight environment, can absorb the ammonia, also can keep inside ordinary pressure state, and can regularly change the demineralized water automatically, need not manual operation. Compared with the prior art, the utility model discloses on the connecting tube of ammonia solution case, set up ammonia solution case expiration check valve and ammonia solution case check valve that breathes in, when demineralized water gets into ammonia solution case, need not through devices such as aspirator pump, with the ammonia in extruding into the ammonia absorption jar through the intercommunication pipeline, under ammonia solution case expiration check valve effect, only allow the ammonia to get into and the demineralized water can not get into in the ammonia solution case.
When the liquid level in the ammonia solution tank drops, the internal air pressure is reduced, and air can be automatically supplemented into the ammonia solution tank through the air suction one-way valve of the ammonia solution tank, so that the consistent air pressure inside and outside the tank body is ensured. Because the position of the ammonia solution tank expiration one-way valve is higher than the joint of the ammonia gas absorption tank air inlet pipe and the ammonia solution tank air suction pipe, the utility model is ensured not to be influenced by the ammonia solution tank expiration one-way valve when air is supplemented; and ammonia absorption tank intake pipe position is higher than the ammonia absorption tank drain pipe and can be made the utility model discloses can make ammonia solution box keep the ordinary pressure state in the supplementary air in the liquid in the ammonia absorption tank of discharge, can not make the ammonia leak in the air again simultaneously.
Therefore, the utility model discloses can need not initiative pressure device such as force pump, just can realize not leaking the ammonia, make the container be in the ordinary pressure state.
Drawings
FIG. 1 is a schematic view of an automatic breathing device of an ammonia solution tank of the present invention;
FIG. 2 is a flow chart of the exhaust of the ammonia solution tank of the present invention;
FIG. 3 is a flow chart of the air suction of the ammonia solution tank of the present invention;
figure 4 is the flow chart of the automatic water changing of the ammonia absorption tank of the utility model.
Wherein, 1, demineralized water enters a main pipe; 2-normally closed water inlet electromagnetic valve; 3-ammonia absorption tank; 4-normally closed water outlet electromagnetic valve; 5-exhaust pipe of ammonia absorption tank; 6-ammonia gas intake pipe of absorption tank; 7-ammonia solution tank expiration check valve; 8-ammonia solution tank air suction check valve; 9-a demineralized water inlet pipe; 10-ammonia solution tank; 11-time relay; 12-a control box; 13-ammonia absorption tank inlet pipe; 14-ammonia gas absorption tank drain pipe; 15-ammonia solution tank air suction pipe; 16-stop valve.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the 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 embodiment of 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.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the automatic breathing device for ammonia solution tank of the utility model comprises a demineralized water inlet pipe 9, an ammonia absorption tank 3, an ammonia absorption tank air inlet pipe 6, an ammonia absorption tank drain pipe 14, an ammonia solution tank air suction pipe 15, an ammonia absorption tank exhaust pipe 5 and an ammonia solution tank 10.
Wherein, ammonia solution case 10 is sealed container, and the demineralized water inlet tube 9 lower extreme links to each other with ammonia solution case 10 top, is provided with stop valve 16 on the demineralized water inlet tube 9 and controls the injection of demineralized water. Ammonia gas is arranged in the ammonia solution tank 10, and after the desalted water enters the ammonia solution tank 10 through the desalted water inlet pipe 9, the liquid level in the ammonia solution tank 10 rises, and the air pressure rises; the ammonia in ammonia solution case 10 is under the pressure effect, in getting into ammonia absorption tank 3 through ammonia absorption tank intake pipe 6 that the ammonia solution case 10 top links to each other, has the demineralized water in the ammonia absorption tank 3, can absorb the ammonia, and the unnecessary gas of production is discharged through ammonia absorption tank blast pipe 5 that the ammonia absorption tank 3 top links to each other. Under the effect of the ammonia solution tank expiration check valve 7 that sets up on ammonia absorption tank intake pipe 6, guaranteed that the ammonia only can get into ammonia absorption tank 3 from bottom to top, but the demineralized water in ammonia absorption tank 3 can not flow back to in ammonia solution tank 10, influences the ammonia and discharges.
When the liquid level in the ammonia solution tank 10 drops, the air pressure in the tank body drops, air enters the ammonia solution tank 10 through an ammonia solution tank air suction pipe 15 connected with the side end of an ammonia gas suction tank air inlet pipe 6, and due to the fact that the ammonia solution tank air suction check valve 8 is arranged at the tail end of the ammonia solution tank air suction pipe 15, ammonia cannot leak into the air from the ammonia solution tank air suction pipe 15 under the effect of the ammonia solution tank air suction check valve 8.
The top of the ammonia absorption tank 3 is connected with the lower end of an ammonia absorption tank water inlet pipe 13, and the upper end of the ammonia absorption tank water inlet pipe 13 is connected with a water inlet main pipe 1; the bottom of the ammonia absorption tank 3 is connected with the top of a discharge pipe 14 of the ammonia absorption tank, and the lower end of the discharge pipe 14 of the ammonia absorption tank is connected with the side end of an air inlet pipe 6 of the ammonia absorption tank. The connecting position of the lower end of the ammonia gas absorption tank drain pipe 14 and the side end of the ammonia gas absorption tank air inlet pipe 6 is lower than the connecting position of the ammonia gas absorption tank air inlet pipe 6 and the side end of the ammonia solution tank air suction pipe 15, so that when the ammonia gas absorption tank 3 discharges liquid in the tank body into the ammonia solution tank 10, the liquid cannot enter the ammonia solution tank air suction pipe 15, and the balanced air pressure effect of the ammonia solution tank air suction pipe 15 is influenced.
Be provided with normal close formula solenoid valve 2 of intaking on ammonia absorption tank inlet tube 13, be provided with normal close formula water solenoid valve 4 on the ammonia absorption tank drain pipe 14, normal close formula solenoid valve 2 of intaking and normal close formula water solenoid valve 4 all are connected through the electricity with control box 12, are provided with time relay 11 in the control box 12. Through setting up time relay 11, the business turn over of demineralized water in can the timing control ammonia absorption tank 3 reaches the effect of regularly changing water automatically.
Example 1
When the liquid level in the ammonia absorption tank 3 is low, the desalted water needs to be supplemented and the volatilized ammonia gas needs to be filtered.
As shown in FIG. 2, when the ammonia solution tank 10 is at a low level and water needs to be replenished, the upper stop valve 16 of the demineralized water inlet pipe is opened, and demineralized water enters the ammonia solution tank 10 from the water inlet main pipe 1 through the demineralized water inlet pipe 9, so that the liquid level rises.
And (3) opening an expiration one-way valve 7 of the ammonia solution tank, closing an inspiration one-way valve 8 of the ammonia solution tank, enabling ammonia gas to enter the ammonia gas absorption tank 3 through a discharge pipe 6 of the ammonia gas absorption tank, dissolving the ammonia gas in the desalted water in the ammonia gas absorption tank 3, and discharging the water-insoluble gas from an exhaust pipe 5 of the ammonia gas absorption tank.
When the liquid level in the ammonia gas absorption tank 3 is high and the liquid in the ammonia gas absorption tank 3 needs to be discharged.
As shown in FIG. 3, when the liquid level of the ammonia solution tank 10 drops with the random dosing, the air suction check valve 8 of the ammonia solution tank is opened, the air exhaust check valve 7 of the ammonia solution tank is closed, and at the moment, air enters the ammonia solution tank 10 through the air suction pipe 15 of the ammonia solution tank, so that the ammonia solution tank 10 is kept in an internal normal pressure state.
When the liquid in the ammonia absorption tank 3 needs to be replaced regularly after the liquid in the ammonia absorption tank 3 is used for a period of time.
As shown in fig. 4, the time relay 11 in the control box 12 sets the normally closed water inlet solenoid valve 2 and the water outlet solenoid valve 4 to be opened and closed in a circulating manner within a specified time, so that the demineralized water in the ammonia gas absorption tank 3 can be periodically replaced, and when the demineralized water in the ammonia gas absorption tank 3 is changed into ammonia water, the demineralized water can directly return to the ammonia solution tank 10, and the real pollution-free zero emission is achieved.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An automatic breathing device of an ammonia solution tank is characterized by comprising a demineralized water inlet pipe (9), an ammonia absorption tank (3), an ammonia absorption tank air inlet pipe (6), an ammonia absorption tank drain pipe (14), an ammonia solution tank air suction pipe (15), an ammonia absorption tank exhaust pipe (5) and an ammonia solution tank (10); wherein,
the ammonia solution tank (10) is communicated with a demineralized water inlet pipe (9);
the ammonia gas absorption tank (3) is communicated with the ammonia solution tank (10) through an ammonia gas absorption tank air inlet pipe (6);
the ammonia absorption tank (3) is communicated with an ammonia absorption tank exhaust pipe (5);
the ammonia gas absorption tank air inlet pipe (6) is communicated with a high pipeline and a low pipeline, the low pipeline is an ammonia gas absorption tank drain pipe (14), the high pipeline is an ammonia solution tank air suction pipe (15), and the other end of the ammonia gas absorption tank drain pipe (14) is communicated with the ammonia gas absorption tank (3);
an ammonia solution tank expiration one-way valve (7) is arranged on the ammonia gas absorption tank air inlet pipe (6), and the ammonia solution tank expiration one-way valve (7) is higher than the connection part of the ammonia gas absorption tank air inlet pipe (6) and other pipelines;
and an air suction check valve (8) of the ammonia solution tank is arranged on the air suction pipe (15) of the ammonia solution tank.
2. The automatic breathing device of the ammonia solution tank as claimed in claim 1, wherein the ammonia solution tank (10) and the ammonia gas absorption tank (3) are sealed containers.
3. The automatic breathing device of the ammonia solution tank as claimed in claim 1, characterized in that the demineralized water inlet pipe (9) is provided with a stop valve (16).
4. The automatic breathing device of the ammonia solution tank as claimed in claim 1, further comprising a demineralized water inlet main pipe (1), wherein the other end of the demineralized water inlet pipe (9) is communicated with the demineralized water inlet main pipe (1).
5. The automatic breathing device of the ammonia solution tank as claimed in claim 4, further comprising an ammonia absorption tank inlet pipe (13), wherein one end of the ammonia absorption tank inlet pipe (13) is communicated with the demineralized water inlet main pipe (1), and the other end is communicated with the ammonia absorption tank (3).
6. The automatic breathing device for the ammonia solution tank of claim 5, wherein the ammonia gas absorption tank (3), the ammonia gas absorption tank air inlet pipe (6), the ammonia gas absorption tank water inlet pipe (13), the ammonia gas absorption tank water outlet pipe (14) and the ammonia solution tank air suction pipe (15) are all made of stainless steel.
7. The automatic breathing device of the ammonia solution tank as claimed in claim 6, wherein the ammonia absorption tank inlet pipe (13) is provided with a normally closed water inlet electromagnetic valve (2), and the ammonia absorption tank drain pipe (14) is provided with a normally closed water outlet electromagnetic valve (4).
8. The automatic breathing device of the ammonia solution tank according to claim 7, further comprising a control box (12), wherein a time relay (11) is arranged inside the control box (12), and the control box (12) is electrically connected with the normally closed water inlet solenoid valve (2) and the normally closed water outlet solenoid valve (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510663.0U CN218307129U (en) | 2022-09-21 | 2022-09-21 | Automatic breathing device of ammonia solution tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510663.0U CN218307129U (en) | 2022-09-21 | 2022-09-21 | Automatic breathing device of ammonia solution tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218307129U true CN218307129U (en) | 2023-01-17 |
Family
ID=84838075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222510663.0U Active CN218307129U (en) | 2022-09-21 | 2022-09-21 | Automatic breathing device of ammonia solution tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218307129U (en) |
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2022
- 2022-09-21 CN CN202222510663.0U patent/CN218307129U/en active Active
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