CN207112347U - Synthesize ammonia liquid ammonia ball tank - Google Patents
Synthesize ammonia liquid ammonia ball tank Download PDFInfo
- Publication number
- CN207112347U CN207112347U CN201720947827.2U CN201720947827U CN207112347U CN 207112347 U CN207112347 U CN 207112347U CN 201720947827 U CN201720947827 U CN 201720947827U CN 207112347 U CN207112347 U CN 207112347U
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- ammonia
- valve
- branch pipe
- pipeline
- dress
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Abstract
The utility model discloses one kind to synthesize ammonia liquid ammonia ball tank, on dress ammonia pipeline the first quick action emergency valve, the first valve, the second valve are disposed with from close to spherical tank body to tank car, ammonia excretion branch pipe is provided with the dress ammonia pipeline close to tank car with emergent absorption cell to be connected, the 3rd valve is provided with the ammonia excretion branch pipe, connection dress ammonia blow line on dress ammonia pipeline between ammonia excretion branch pipe and the second valve, the 5th valve is provided with dress ammonia blow line, check-valves is set in the top tank car ammonia gas pipeline of tank car；Spherical tank ammonia gas pipeline is divided into the first branch pipe and the second branch pipe, wherein the first branch pipe goes process units to use, the second branch pipe is connected to membrane separation device, and flow control valve is set on the second branch pipe, the 4th valve is provided with spherical tank ammonia gas pipeline；The outlet line of check-valves is connected with membrane separation device, and dress ammonia blow line is connected with the second branch pipe, and safety valve is connected by pipeline with emergent absorption cell.Environmental pollution is avoided, improves security.
Description
Technical field
A kind of synthetic ammonia installation is the utility model is related to, more particularly to a kind of synthesis ammonia liquid ammonia ball tank.
Background technology
Nitrogen fertilizer plant's ammonia synthesis process main-process stream is：Natural gas from long-distance transport pipes initially enters natural gas distribution station, day
Right gas enters the normal temperature desulphurization system of synthetic ammonia installation after gas distribution station enters row buffering and pressure regulation, then by natural gas compressing,
High temperature desulfurizing, one section of steam conversion of heat exchange type, two sections of oxygen-enriched air conversions, the conversion of carbon monoxide high and low temperature, improves hot potash method
Decarburization, methanation deep purifying remove remaining CO and CO2, and synthesis gas compresses, ammonia synthesis under 14.0MPa, freezing separation, finally
Obtain product liquefied ammonia.
Liquid ammonia ball tank is used for storing the liquefied ammonia from synthetic ammonia installation, during liquefied ammonia storage, the top of liquid ammonia ball tank
Substantial amounts of gas ammonia can be produced, safety valve is provided with the top of spherical tank, when spherical tank pressure reaches the release pressure of safety valve, safety valve
Automatically open up, by the way that the fixed gas at the top of spherical tank and part gas ammonia are discharged to reduce pressure, so that it is guaranteed that the safety of spherical tank,
It is placed directly on from the gas of safety valve discharge in air, environment is polluted.
In addition when the liquefied ammonia of production be used to producing phosphorus ammonium or urea using it is endless when, we can be by the liquefied ammonia in liquid ammonia ball tank
Take out, therefore dress ammonia pipeline is additionally provided with the bottom of liquid ammonia ball tank, fill ammonia pipeline at present and be directly connected with tank car, fill ammonia pipeline
On be provided with a valve, after the completion of tank car entrucking, close valve, the remaining liquefied ammonia volatilization in the pipeline between valve and tank car
It is emitted into air, pollutes environment, cause to waste, and also have potential safety hazard.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of synthesis ammonia liquid ammonia ball tank, avoids the discharge of ammonia,
Improve the security of production.
To achieve these goals, the technical solution of the utility model is as follows：One kind synthesis ammonia liquid ammonia ball tank, including spherical tank
Body, the top of the spherical tank body are provided with gas ammonia exhaust line, safety valve are set on the gas ammonia exhaust line, described
The bottom of spherical tank body is provided with dress ammonia pipeline, it is characterised in that：It is described dress ammonia pipeline on from close to spherical tank body to tank car according to
It is secondary to be provided with the first quick action emergency valve, the first valve, the second valve, ammonia excretion branch pipe is provided with the dress ammonia pipeline close to tank car with answering
Anxious absorption cell is connected, and is provided with the 3rd valve on the ammonia excretion branch pipe, on the dress ammonia pipeline between the ammonia excretion branch pipe and the second valve
Connection dress ammonia blow line, is provided with the 5th valve on dress ammonia blow line, is set in the top tank car ammonia gas pipeline of the tank car
Put check-valves；
The top of the spherical tank body is additionally provided with spherical tank ammonia gas pipeline, and the spherical tank ammonia gas pipeline is divided into the first branch pipe and
Two branch pipes, wherein the first branch pipe removes process units, the second branch pipe is connected to membrane separation device, sets flow to adjust on the second branch pipe
Valve is saved, the 4th valve is provided with the spherical tank ammonia gas pipeline；
The outlet line of the check-valves is connected with membrane separation device, and the dress ammonia blow line is connected with the second branch pipe,
And dress ammonia blow line is connected to the front of flow control valve, the safety valve is connected by pipeline with emergent absorption cell.
In such scheme：The bottom of the spherical tank body be additionally provided with liquefied ammonia outlet is connected with phosphorus ammonium spherical tank, with phosphorus ammonium
The second quick action emergency valve is provided with the connected pipeline of spherical tank.
Beneficial effect：The utility model sets dress ammonia blow line, after the completion of ammonia is filled, can use gas ammonia by the inside
Liquefied ammonia purging is clean, and liquefied ammonia and the gas ammonia for purging are absorbed with emergent absorption cell, avoid causing liquefied ammonia to waste and to environment
Pollution.Equally, the gas ammonia of safety valve discharge is also absorbed using emergent absorption cell.First and second quick action emergency valves are set, when going out
Now leakage is that emergent stopping improves safety in operation.
Brief description of the drawings
Fig. 1 is process chart of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Embodiment 1, as shown in Figure 1：Synthesis ammonia liquid ammonia ball tank of the present utility model is by spherical tank body 1, safety valve 2, dress ammonia
Pipeline 3, the first quick action emergency valve 4, the first valve 5, the second valve 6, the 3rd valve 7, the 5th valve 8, check-valves 9, tank car 10, UF membrane dress
11, emergent absorption cell 12, flow control valve 13, the 4th valve 14, phosphorus ammonium spherical tank 15, the second quick action emergency valve 16 is put to form.
The top of spherical tank body 1 is provided with gas ammonia exhaust line, safety valve 2 is set on the gas ammonia exhaust line, in ball
The bottom of tank body 1 is provided with dress ammonia pipeline 3, fills and is disposed with first to tank car 10 from close to spherical tank body 1 on ammonia pipeline 3
Quick action emergency valve 4, the first valve 5, the second valve 6, ammonia excretion branch pipe is provided with the dress ammonia pipeline 3 close to tank car 10 and is absorbed with emergent
Pond 12 is connected, and the 3rd valve 7 is provided with the ammonia excretion branch pipe, and dress is connected on the dress ammonia pipeline 3 between ammonia excretion branch pipe and the second valve 6
Ammonia blow line, dress ammonia blow line are provided with the 5th valve 8, the top of tank car 10 close to the second valve 6 on dress ammonia blow line
Check-valves 9 is set in tank car ammonia gas pipeline；The top of spherical tank body 1 is additionally provided with spherical tank ammonia gas pipeline, the spherical tank ammonia gas pipeline
It is divided into the first branch pipe and the second branch pipe, wherein the first branch pipe goes process units to use, the second branch pipe is connected to membrane separation device 11,
Flow control valve 13 is set on the second branch pipe, the 4th valve 14 is provided with spherical tank ammonia gas pipeline.
The outlet line of check-valves 9 is connected with membrane separation device 11, and dress ammonia blow line is connected with the second branch pipe, and fills ammonia
Blow line is connected to the front of flow control valve 13, and safety valve 2 is connected by pipeline with emergent absorption cell 12.Spherical tank body 1
Bottom be additionally provided with liquefied ammonia outlet be connected with phosphorus ammonium spherical tank 15, it is tight to be provided with second on the pipeline being connected with phosphorus ammonium spherical tank 15
Anxious stop valve 16.
The utility model is not limited to above-mentioned specific embodiment, it will be appreciated that one of ordinary skill in the art is without wound
The property made work can makes many modifications and variations according to design of the present utility model.In a word, all technologies in the art
Personnel can be obtained by logical analysis, reasoning, or a limited experiment on the basis of existing technology according to design of the present utility model
The technical scheme arrived, all should be in the protection domain being defined in the patent claims.
Claims (2)
1. one kind synthesis ammonia liquid ammonia ball tank, including spherical tank body (1), the top of the spherical tank body (1) is provided with gas ammonia exhaust
Pipeline, safety valve (2) is set on the gas ammonia exhaust line, dress ammonia pipeline is provided with the bottom of the spherical tank body (1)
(3), it is characterised in that：It is urgent from being disposed with first to tank car (10) close to spherical tank body (1) on the dress ammonia pipeline (3)
Stop valve (4), the first valve (5), the second valve (6), ammonia excretion branch pipe is provided with the dress ammonia pipeline (3) close to tank car (10) with answering
Anxious absorption cell (12) is connected, and the 3rd valve (7) is provided with the ammonia excretion branch pipe, between the ammonia excretion branch pipe and the second valve (6)
Connection dress ammonia blow line on ammonia pipeline (3) is filled, the 5th valve (8) is provided with dress ammonia blow line, the tank car (10)
Check-valves (9) is set in the tank car ammonia gas pipeline of top；
The top of the spherical tank body (1) is additionally provided with spherical tank ammonia gas pipeline, and the spherical tank ammonia gas pipeline is divided into the first branch pipe and
Two branch pipes, wherein the first branch pipe removes process units, the second branch pipe is connected to membrane separation device (11), and stream is set on the second branch pipe
Adjustable valve (13), the 4th valve (14) is provided with the spherical tank ammonia gas pipeline；
The outlet line of the check-valves (9) is connected with membrane separation device (11), the dress ammonia blow line and the second branch pipe phase
Even, and the front that ammonia blow line is connected to flow control valve (13) is filled, the safety valve (2) passes through pipeline and emergent absorption cell
(12) it is connected.
2. ammonia liquid ammonia ball tank is synthesized according to claim 1, it is characterised in that：The bottom of the spherical tank body (1) is also set up
There is liquefied ammonia outlet to be connected with phosphorus ammonium spherical tank (15), the second quick action emergency valve is provided with the pipeline being connected with phosphorus ammonium spherical tank (15)
(16)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947827.2U CN207112347U (en) | 2017-07-28 | 2017-07-28 | Synthesize ammonia liquid ammonia ball tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947827.2U CN207112347U (en) | 2017-07-28 | 2017-07-28 | Synthesize ammonia liquid ammonia ball tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112347U true CN207112347U (en) | 2018-03-16 |
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ID=61582790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720947827.2U Active CN207112347U (en) | 2017-07-28 | 2017-07-28 | Synthesize ammonia liquid ammonia ball tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN207112347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525468A (en) * | 2018-04-24 | 2018-09-14 | 成都玉龙化工有限公司 | One kind is dropped a hint recovery system |
| CN114263848A (en) * | 2020-09-16 | 2022-04-01 | 重庆川维物流有限公司 | Low-pressure ammonia gas purging device for liquid ammonia tank truck loading and using method thereof |
-
2017
- 2017-07-28 CN CN201720947827.2U patent/CN207112347U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525468A (en) * | 2018-04-24 | 2018-09-14 | 成都玉龙化工有限公司 | One kind is dropped a hint recovery system |
| CN114263848A (en) * | 2020-09-16 | 2022-04-01 | 重庆川维物流有限公司 | Low-pressure ammonia gas purging device for liquid ammonia tank truck loading and using method thereof |
| CN114263848B (en) * | 2020-09-16 | 2023-09-26 | 重庆川维物流有限公司 | Low-pressure ammonia purging device for loading liquid ammonia tank truck and application method thereof |
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