CN218295315U - Low-temperature liquid fills dress recovery system - Google Patents

Low-temperature liquid fills dress recovery system Download PDF

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Publication number
CN218295315U
CN218295315U CN202222697908.5U CN202222697908U CN218295315U CN 218295315 U CN218295315 U CN 218295315U CN 202222697908 U CN202222697908 U CN 202222697908U CN 218295315 U CN218295315 U CN 218295315U
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pipeline
valve body
nitrogen
liquid
recovery
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CN202222697908.5U
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谢辉
康玉茹
彭喜魁
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Yingde Gas Engineering Zhejiang Co ltd
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Zhejiang Zhihai Chemical Equipment Engineering Co ltd
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Abstract

The utility model discloses a low temperature liquid fills dress recovery system, including the low temperature storage tank, be connected with the feed liquor pipeline and go out the liquid pipeline on the low temperature storage tank, be connected with the pipeline of charging car on the feed liquor pipeline, still include first nitrogen pipeline, second nitrogen pipeline and recovery pipeline, first nitrogen pipeline with the feed liquor pipeline links to each other, the second nitrogen pipeline with the pipeline of charging car links to each other, recovery pipeline's one end with feed liquor pipeline and the pipeline of charging car intercommunication, the other end with it links to each other to go out the liquid pipeline, be equipped with first valve body on the feed liquor pipeline, be equipped with the second valve body on the pipeline of charging car, be equipped with the third valve body on the first nitrogen pipeline, be equipped with the fourth valve body on the second nitrogen pipeline, be equipped with the fifth valve body on the recovery pipeline, be connected with the process pump on the liquid pipeline, still including being used for control the control structure that first valve body, second valve body, third valve body, fourth valve body and fifth valve body and fourth valve body and the fifth valve body are opened and close.

Description

Low-temperature liquid fills dress recovery system
Technical Field
The utility model relates to a low temperature refrigeration technology field, concretely relates to cryogenic liquids fills dress recovery system.
Background
The low-temperature device is widely applied in the industrial field, and a large amount of equipment operating at low temperature is required to be used in the air separation industry, the rare gas industry (neon, helium, krypton, xenon), the LNG industry and the like.
In the field of rare gases, neon, helium, krypton and xenon are important industrial gases in national economy. At present, the demand of neon, helium, krypton and xenon continues to increase in China and even in the world, and the supply of neon, helium, krypton and xenon will be continuously tense. The main reason for this is that neon, helium, krypton and xenon are used in a wider range of fields, and they are used in not only the traditional lighting industry, but also building doors and windows, flat-panel televisions, electronic chips, space, satellites and medical industries in recent years. The demand for rare gas production plants has increased explosively. The price of the rare gas is also increased along with the rising of the water, so that the price of raw materials for preparing the rare gas is also increased more and more. During the tank filling process of a tank car, the krypton-xenon raw material liquid has high content of carbon and hydrogen in the raw material liquid, so that the traditional filling system needs to discharge a large amount of raw material liquid remained in a filling pipeline to avoid accumulation of hydrocarbon in order to ensure the safety of the device. And the raw material storage tank is very frequently filled with vehicles. This results in a great deal of waste. How to recover this portion as a high value feed solution for discharge as a raffinate becomes a problem for the skilled person.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
Fill car system to current storage tank and have the problem of remaining in the unable recovery of high value feed solution of pipeline, the utility model provides a cryogenic liquids fills dress recovery system, its recovery that can be effective safe remains in the feed solution that fills in the dress system to can realize automatic control, reduce field personnel's work load.
2. Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
the utility model provides a low temperature liquid fills dress recovery system, includes the low temperature storage tank, be connected with the feed liquor pipeline and go out the liquid pipeline on the low temperature storage tank, the feed liquor pipeline is connected with the car pipeline of filling, still includes first nitrogen pipeline, second nitrogen pipeline and recovery pipeline, first nitrogen pipeline with the feed liquor pipeline links to each other, second nitrogen pipeline with the car pipeline of filling links to each other, the one end of recovery pipeline with feed liquor pipeline and car pipeline intercommunication, the other end with it links to each other to go out the liquid pipeline, be equipped with first valve body on the feed liquor pipeline, first valve body is located the hookup location of feed liquor pipeline and low temperature storage tank with between the hookup location of first nitrogen pipeline and feed liquor pipeline, be equipped with the third valve body on the first pipeline, be equipped with the fourth valve body on the second nitrogen pipeline, be equipped with the fifth valve body on the recovery pipeline, the drain pipeline is connected with the third valve body, the control valve body, the fifth valve body, the control valve body and the fifth valve body are used for on the nitrogen pipeline open and close the flow control valve body.
Optionally, the first valve body is disposed at a relatively high point on the liquid inlet pipeline, and the second valve body is disposed at a relatively high point on the vehicle charging pipeline.
Optionally, the medium introduced into the first nitrogen pipeline and the second nitrogen pipeline is low-pressure dry nitrogen.
Optionally, a first check valve is arranged on the first nitrogen pipeline, and a second check valve is arranged on the second nitrogen pipeline.
Optionally, a pressure controller is arranged on the liquid outlet pipeline, and the pressure controller is electrically connected with the control structure.
Optionally, a first liquid level controller is arranged on the recovery pipeline, and the first liquid level controller is electrically connected with the control structure.
Optionally, the system further comprises a tank car connected with the recovery pipeline, wherein a second liquid level controller is arranged in the tank car and electrically connected with the control structure.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
this low temperature liquid fills dress recovery system can effectively retrieve the tank wagon and fill the tank in-process for the storage tank and remain the raw materials liquid that fills in the pipeline, retrieves raw materials liquid and can effectively reduce the loss that fills the dress in-process to reduce the economic cost that the single filled the dress, improve economic benefits.
Drawings
Fig. 1 is a schematic structural view of a cryogenic liquid charging recovery system according to an embodiment of the present invention;
1. a low-temperature storage tank; 2. a liquid inlet pipeline; 3. a liquid outlet pipeline; 4. a vehicle charging pipeline; 5. a first nitrogen line; 6. a second nitrogen line; 7. a recovery pipeline; 8. a first valve body; 9. a second valve body; 10. a third valve body; 11. a fourth valve body; 12. a fifth valve body; 13. a process pump; 14. a first check valve; 15. a second check valve; 16. a pressure controller; 17. a first liquid level controller; 18. a second level controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered to be "fixedly connected" to another element, the two elements may be fixed by way of detachable connection, or may be fixed by way of non-detachable connection, such as sleeving, clamping, integrally-formed fixing, welding, etc., which can be implemented in the prior art, and is not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The references to "first" and "second" in the present invention do not denote any particular quantity or order, but rather are used to distinguish names.
With reference to fig. 1, the low-temperature liquid filling and recycling system of this embodiment includes low-temperature storage tank 1, be connected with into liquid pipeline 2 and drain pipe 3 on low-temperature storage tank 1, enter liquid pipeline 2 connect in the inlet at low-temperature storage tank 1 top, go out liquid pipeline 3 connect in the liquid outlet of low-temperature storage tank 1 bottom, be connected with on the liquid pipeline 2 and fill car pipeline 4, fill car pipeline 4's the other end and be used for being connected with the tank wagon, in order to pass through fill car pipeline 4 and feed liquid pipeline 2 fill into the raw materials liquid in the tank wagon in low-temperature storage tank 1, still include first nitrogen pipeline 5, second nitrogen pipeline 6 and recovery pipeline 7, first nitrogen pipeline 5 with enter liquid pipeline 2 links to each other, second nitrogen pipeline 6 with fill car pipeline 4 links to each other, recovery pipeline 7's one end with enter liquid pipeline 2 and fill car pipeline 4 intercommunication, the other end with go out liquid pipeline 3 links to each other, be equipped with first valve body 8 on the liquid pipeline 2, first valve body 8 locate enter liquid pipeline 2 with low-temperature valve body 1 with go into liquid pipeline 2 and fill car pipeline 4 communicate, be equipped with third valve body connection pipeline 10, be equipped with the third valve body connection pipeline 12, be equipped with on the third valve body connection pipeline 6 and the third valve body connection pipeline 9, be equipped with the nitrogen pipeline 9 on the third valve body connection pipeline 6, be equipped with the third valve body connection pipeline 9 and be equipped with the third valve body connection pipeline 10, be equipped with the nitrogen pipeline 9 and be equipped with the nitrogen pipeline 9 on the third valve body connection pipeline 6, be equipped with the third valve body connection pipeline 9 on the liquid pipeline 9, the valve body can be an electromagnetic valve so as to be automatically controlled through a control structure, and the control structure is a main board with a control function.
The working principle of the low-temperature liquid filling and recovering system is as follows: when the tank car and the car charging pipeline 4 are connected through a hose and precooled, the first valve body 8, the second valve body 9 and the fifth valve body 12 are opened, the pressure of the tank car is higher than that of the storage tank (or the tank car is possibly pressurized by an unloading pump), and the raw material liquid starts to enter the storage tank from the tank car; after filling, the first valve body 8 and the second valve body 9 are closed, then the third valve body 10 and the fourth valve body 11 are opened to respectively introduce nitrogen into the liquid inlet pipeline 2 and the vehicle filling pipeline 4, raw material liquid in the vehicle filling pipeline 4 is pressed into a tank car through the nitrogen, the fourth valve body 11 is automatically closed after being opened for a period of time, and the raw material liquid in the liquid inlet pipeline 2 is pressed into the liquid outlet pipeline 3 through the nitrogen and is pressurized and conveyed to a downstream process device through the process pump 13.
This low temperature liquid fills dress recovery system can effectively retrieve the tank wagon and fill the former feed liquid that the jar in-process remained among the pipeline for the storage tank, retrieves former feed liquid and can effectively reduce the loss that fills the dress in-process to reduce the economic cost that the single filled the dress, improve economic benefits.
As the utility model discloses an alternative, first valve body 8 is located relative high point on the admission line 2, second valve body 9 is located fill relative high point on the car pipeline 4, in the former feed liquid behind the valve can flow to the recovery pipeline 7 through gravity, can not have liquid to remain.
As an alternative of the present invention, the first nitrogen pipeline 5 and the second nitrogen pipeline 6 may share one nitrogen gas supply device to complete nitrogen gas charging, so as to ensure that the nitrogen gas pressure in the first nitrogen pipeline 5 and the second nitrogen pipeline is the same, and simplify the structure.
As the utility model discloses an alternative, be equipped with first check valve 14 on the first nitrogen pipeline 5, be equipped with second check valve 15 on the second nitrogen pipeline 6, first check valve 14 and second check valve 15 all are used for preventing that the material from anti-wearing to pollute the nitrogen gas pipeline.
As the utility model discloses an alternative, be equipped with pressure controller 16 on the play liquid pipeline 3, pressure controller 16 is connected with the control structure electricity, and during the feed liquor was started from the tank wagon to the storage tank to raw materials liquid, because the pressure in the liquid pipeline 2 of intaking and the pipeline 4 of filling the car has the fluctuation, for avoiding this part pressure fluctuation to influence the pressure of play liquid pipeline 3, pressure controller 16 plays the effect of stable play liquid pipeline 3 pressure through the valve aperture of control structure real-time regulation control fifth valve body 12.
As the utility model discloses an alternative, be equipped with first liquid level controller 17 on the recovery pipeline 7, first liquid level controller 17 is connected with the control structure electricity, when detecting no liquid and flow through first liquid level controller 17, the while chain closes third valve body 10 and fifth valve body 12 to with 16 control removals of pressure controller, just so accomplished the former feed liquid recovery that fills in the charging line, the waste of reducible nitrogen gas simultaneously.
As the utility model discloses an alternative, still include with the tank wagon that recovery pipeline 7 links to each other, be equipped with second liquid level controller 18 in the tank wagon, second liquid level controller 18 is connected with the control structure electricity, and when the tank wagon liquid level reachd the low liquid level setting value of second liquid level controller 18, second liquid level controller 18 closed first valve body 8 and second valve body 9 through control structure interlocking to open third valve body 10 and fourth valve body 11 afterwards and let in nitrogen gas in order to be used for respectively to feed liquor pipeline 2 and the pipeline 4 that charges.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (7)

1. A cryogenic liquids fills dress recovery system which characterized in that: including the low temperature storage tank, be connected with the inlet line on the low temperature storage tank and go out the liquid pipeline, the inlet line is connected with the car pipeline of filling on the road, still includes first nitrogen pipeline, second nitrogen pipeline and recovery pipeline, first nitrogen pipeline with the inlet line links to each other, the second nitrogen pipeline with the car pipeline of filling links to each other, the recovery pipeline one end with inlet line and car pipeline intercommunication, the other end with it links to each other to go out the liquid pipeline, be equipped with first valve body on the inlet line, first valve body is located the inlet line with the hookup location of low temperature storage tank with between the hookup location of first nitrogen pipeline and inlet line, be equipped with the second valve body on the car pipeline, the second valve body is located the car pipeline with the hookup location of inlet line with between the hookup location of car pipeline and second nitrogen pipeline, be equipped with the third valve body on the first nitrogen pipeline, be equipped with the fourth valve body on the second nitrogen pipeline, be equipped with the fifth valve body on the recovery pipeline, be connected with the outlet line and be used for control flow valve body, fourth valve body, fifth valve body, third valve body and opening and close structure.
2. A cryogenic liquid filling recovery system according to claim 1, wherein: the first valve body is arranged at a relatively high point on the liquid inlet pipeline, and the second valve body is arranged at a relatively high point on the vehicle charging pipeline.
3. A cryogenic liquid filling recovery system according to claim 1, wherein: and the medium introduced into the first nitrogen pipeline and the second nitrogen pipeline is low-pressure dry nitrogen.
4. A cryogenic liquid filling recovery system according to claim 1, wherein: be equipped with first check valve on the first nitrogen gas pipeline, be equipped with the second check valve on the second nitrogen gas pipeline.
5. A cryogenic liquid filling recovery system according to claim 1, wherein: and a pressure controller is arranged on the liquid outlet pipeline and electrically connected with the control structure.
6. A cryogenic liquid filling recovery system according to claim 1, wherein: and a first liquid level controller is arranged on the recovery pipeline and electrically connected with the control structure.
7. A cryogenic liquid filling recovery system according to claim 1, wherein: the recovery device is characterized by further comprising a tank car connected with the recovery pipeline, wherein a second liquid level controller is arranged in the tank car and is electrically connected with the control structure.
CN202222697908.5U 2022-10-13 2022-10-13 Low-temperature liquid fills dress recovery system Active CN218295315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222697908.5U CN218295315U (en) 2022-10-13 2022-10-13 Low-temperature liquid fills dress recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222697908.5U CN218295315U (en) 2022-10-13 2022-10-13 Low-temperature liquid fills dress recovery system

Publications (1)

Publication Number Publication Date
CN218295315U true CN218295315U (en) 2023-01-13

Family

ID=84808398

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222697908.5U Active CN218295315U (en) 2022-10-13 2022-10-13 Low-temperature liquid fills dress recovery system

Country Status (1)

Country Link
CN (1) CN218295315U (en)

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GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: No. 280 Xingye Road, Leidian Town, Deqing County, Huzhou City, Zhejiang Province, 313200

Patentee after: Yingde Gas Engineering (Zhejiang) Co.,Ltd.

Address before: 313200 Jingyi Road, Deqing Linhang Industrial Zone, LEIDIAN Town, Deqing County, Huzhou City, Zhejiang Province

Patentee before: ZHEJIANG ZHIHAI CHEMICAL EQUIPMENT ENGINEERING Co.,Ltd.

CP03 Change of name, title or address