CN207031381U - Foam inhibiting agent automatic filling system in natural gas purification flow - Google Patents
Foam inhibiting agent automatic filling system in natural gas purification flow Download PDFInfo
- Publication number
- CN207031381U CN207031381U CN201720845095.6U CN201720845095U CN207031381U CN 207031381 U CN207031381 U CN 207031381U CN 201720845095 U CN201720845095 U CN 201720845095U CN 207031381 U CN207031381 U CN 207031381U
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- China
- Prior art keywords
- inhibiting agent
- pipeline
- valve
- regenerator
- foam inhibiting
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Abstract
The utility model provides the foam inhibiting agent automatic filling system in a kind of natural gas purification flow, including the storage fluid reservoir of foam inhibiting agent, the measuring pump being connected with the fluid reservoir port of export, air accumulator and regenerator for storing compressed nitrogen；The measuring pump port of export is connected with reservoir outlet end, and the common port connected is connected by pipeline with regenerator entrance point, and the air accumulator can be passed through compressed nitrogen by pipeline to regenerator, and foam inhibiting agent is expressed in regenerator；The common port is also associated with the ground tank for exhaust by pipeline.The system realizes the automatic filling of foam inhibiting agent, and accurate measurement adding amount, and its is simple to operate, and automaticity is high, optimizes gas purifying process flow.
Description
Technical field
It the utility model is related to natural gas purification field, the foam inhibiting agent in specially a kind of natural gas purification flow adds automatically
Injection system.
Background technology
Because nitrogen-methyl diethanolamine (MDEA) is to H2S various features, the mesh such as have good selectivity, regeneration temperature low
Before, MDEA is widely used as a kind of desulfurizing agent in China's natural gas sulfur removal technology.But in use, MDEA is universal
The foaming of amine liquid be present and block liquid phenomenon, entrainment can be caused when serious and amine liquid is largely lost in, clean-up effect substantially reduces.
Foam inhibiting agent is filled into MDEA using chemical method and eliminates foam caused by solution in time, is a kind of effectively arranging for elimination foaming
Apply.But main at present by the way of manually filling foam inhibiting agent, this mode needs manually to manipulate injection foam inhibiting agent and grasped manually
Make multiple valve opening and closings, whole filling process could be completed, its shortcoming is：Can not accurate measurement adding amount, and cumbersome, consumption
Time-consuming, there is potential safety hazard in band press operation, is unfavorable for improving production efficiency, influences the automaticity of Gas Purification Factory.
Utility model content
For in the prior art the defects of, the foam inhibiting agent that the utility model is provided in a kind of natural gas evolution flow adds automatically
Injection system, it can realize that foam inhibiting agent automatic and accurate fills, simple to operate, and automaticity is high, optimizes gas purifying process
Flow.
Technical scheme is as follows：
A kind of foam inhibiting agent automatic filling system in natural gas purification flow, its key are：Including storage foam inhibiting agent
Fluid reservoir, the measuring pump being connected with the fluid reservoir port of export, air accumulator and regenerator for storing compressed nitrogen；It is described
The measuring pump port of export is connected with reservoir outlet end, and the common port connected is connected by pipeline with regenerator entrance point,
The air accumulator can be passed through compressed nitrogen by pipeline to regenerator, and foam inhibiting agent is expressed in regenerator；It is described public
End is also associated with the ground tank for exhaust by pipeline.
The foam inhibiting agent of fluid reservoir is injected into manifold, by the adding amount of measuring pump accurate measurement foam inhibiting agent, is then passed through
Compressed nitrogen in air accumulator, the foam inhibiting agent in manifold is pressed into regenerator, so as to realize the automatic filling of foam inhibiting agent.With
Traditional Man manually compare by filling, and the utility model, automaticity is high, simple to operate, optimizes natural gas purification flow, has
Beneficial to the production efficiency for improving Gas Purification Factory.
Further, it is sequentially provided with first pressure table on the pipeline between the reservoir outlet end and the common port
With the first valve, the first pressure table is used to measure the pressure in air accumulator.
Further, the second valve is provided with the pipeline between the measuring pump port of export and the common port, it is described
The 4th valve, the 5th valve are sequentially provided with pipeline between common port and the regenerator arrival end and for measuring regenerator
The second pressure gauge of interior pressure.
Further, it is additionally provided with service valve on the pipeline between the port of export of the common port and the 4th valve.Improve
The stable row of system.
Further, the 3rd valve is provided with the pipeline between the common port and ground tank.
Further, in addition to PLC, first valve, the second valve, the 3rd valve, the 4th valve, the 5th
Valve, standby valve and measuring pump are connected with the PLC.
The beneficial effects of the utility model：Foam inhibiting agent is injected into manifold by fluid reservoir, is hindered by measuring pump accurate measurement
The adding amount of infusion, then by the compressed nitrogen in air accumulator, the foam inhibiting agent in manifold is pressed into regenerator, so as to real
The automatic filling of existing foam inhibiting agent.And the utility model controls each element of the loading system using PLC, can be achieved
Being precisely controlled in the course of work is filled to foam inhibiting agent, compared with Traditional Man fills manually, the utility model is simple to operate,
Automaticity is high, optimizes natural gas purification flow, is advantageous to improve the production efficiency of Gas Purification Factory.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is the structural representation of the system；
In accompanying drawing：1- fluid reservoirs；2- measuring pumps；3- air accumulators；4- ground tanks；5- regenerators；The valves of 101- first；102-
Second valve；The valves of 103- the 3rd；The valves of 104- the 4th；The valves of 105- the 5th；106- standby valves；201- first pressure tables；
202- second pressure gauges.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
In the present embodiment, the orientation or position of the instruction such as term " on " " under " " left side " " right side " " preceding " " rear " " upper end " " lower end "
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of description, rather than indicates or imply meaning
Device or element must have specific orientation, with specific azimuth configuration or operation, therefore it is not intended that new to this practicality
The limitation of type.
Foam inhibiting agent automatic filling system in natural gas purification flow as shown in Figure 1, include the liquid storage of storage foam inhibiting agent
Tank 1, the measuring pump 2 being connected with the port of export of fluid reservoir 1, air accumulator 3 and regenerator 5 for storing compressed nitrogen；Institute
State the port of export of measuring pump 2 with the port of export of air accumulator 3 to be connected, and the common port connected passes through pipeline and the entrance point of regenerator 5
It is connected, the air accumulator 3 can be passed through compressed nitrogen by pipeline to regenerator 5, and foam inhibiting agent is expressed in regenerator 5；
The common port is also associated with the ground tank 4 for exhaust by pipeline.On pipeline between the common port and ground tank
Provided with the 3rd valve 103.
First pressure table 201 and are sequentially provided with pipeline between the port of export of air accumulator 3 and the common port
One valve 101, the first pressure table 201 are used to measure the pressure in air accumulator.
The second valve 102, the common port are provided with pipeline between the port of export of measuring pump 2 and the common port
The 4th valve 104, the 5th valve 105 are sequentially provided with pipeline between the regenerator arrival end and for measuring regenerator
The second pressure gauge 202 of interior pressure.
Standby valve 106 is additionally provided between the port of export of the common port and the 4th valve, wherein standby valve only has
Just opened when the 4th valve breaks down, rest working conditions are closed mode.
Foam inhibiting agent automatic filling system in the natural gas purification flow also includes PLC (not shown),
First valve 101, the second valve 102, the 3rd valve 103, the 4th valve 104, the 5th valve 105, standby valve 106 with
And measuring pump 2 is connected with the PLC.
Utility model works process includes three flows, is followed successively by injection flow, exhaust flow path, press-in flow.Specifically
Ground, inject flow：The first, second, third, fourth, the 5th valve is closed, implantation dosage is inputted by PLC, it is described
PLC controls the second valve 102 to open, and is worked by input signal driving measuring pump 2, by quantitative foam inhibiting agent by
Fluid reservoir injection manifold, after the completion of measuring pump action, close the second valve 102.
Exhaust flow path：PLC controls the 3rd valve 103 to open, and remaining valve is closed, and is arranged by ground tank 4
Gas, the 3rd valve 103 is closed after the completion of exhaust.
It is pressed into flow：Compare first pressure table 201 and the numerical value of second pressure gauge 202, if nitrogen pot outlet pressure is less than
Regenerator inlet pressure, then increase the pressure of nitrogen pot, until being more than regenerator inlet pressure, opens first, the four, the 5th valves
Door, foam inhibiting agent be pressed into regenerator 5 from manifold using the pressure of compressed nitrogen, delay 5 seconds, first closes the first valve 101,
The 4th valve 104 and the 5th valve 105 are then shut off, so as to complete the automatic filling of quantitative foam inhibiting agent.5 another import of regenerator
Hold to regenerator and be passed through lean solution, the flash column that the port of export of the bottom of regenerator 5 leads in natural gas purification flow, and then carry out down
One step flow.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that；
It can still modify to the technical scheme described in previous embodiment, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment
The scope of technical scheme, it all should cover among claim of the present utility model and the scope of specification.
Claims (5)
- A kind of 1. foam inhibiting agent automatic filling system in natural gas purification flow, it is characterised in that：Storage including storing foam inhibiting agent Flow container, the measuring pump being connected with the fluid reservoir port of export, air accumulator and regenerator for storing compressed nitrogen；The meter Amount pump discharge end is connected with reservoir outlet end, and the common port connected is connected by pipeline with regenerator entrance point, institute Compressed nitrogen can be passed through by pipeline to regenerator by stating air accumulator, and foam inhibiting agent is expressed in regenerator；The common port Ground tank for exhaust is also associated with by pipeline.
- 2. the foam inhibiting agent automatic filling system in natural gas purification flow according to claim 1, it is characterised in that：Institute State and first pressure table and the first valve are sequentially provided with the pipeline between reservoir outlet end and the common port, first pressure Power table is used to measure the pressure in air accumulator.
- 3. the foam inhibiting agent automatic filling system in natural gas purification flow according to claim 1, it is characterised in that：Institute The pipeline stated between the measuring pump port of export and the common port is provided with the second valve, the common port and the regenerator entrance The 4th valve, the 5th valve and the second pressure gauge for measuring the pressure in regenerator are sequentially provided with pipeline between end.
- 4. the foam inhibiting agent automatic filling system in natural gas purification flow according to claim 3, it is characterised in that：Institute State and be additionally provided with standby valve on the pipeline between the port of export of common port and the 4th valve.
- 5. the foam inhibiting agent automatic filling system in natural gas purification flow according to claim 1, it is characterised in that：Institute The pipeline stated between common port and ground tank is provided with the 3rd valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720845095.6U CN207031381U (en) | 2017-07-13 | 2017-07-13 | Foam inhibiting agent automatic filling system in natural gas purification flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720845095.6U CN207031381U (en) | 2017-07-13 | 2017-07-13 | Foam inhibiting agent automatic filling system in natural gas purification flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207031381U true CN207031381U (en) | 2018-02-23 |
Family
ID=61464116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720845095.6U Expired - Fee Related CN207031381U (en) | 2017-07-13 | 2017-07-13 | Foam inhibiting agent automatic filling system in natural gas purification flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207031381U (en) |
-
2017
- 2017-07-13 CN CN201720845095.6U patent/CN207031381U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190713 |