CN212456266U - Small-size clean high pressure annotates liquid frock - Google Patents
Small-size clean high pressure annotates liquid frock Download PDFInfo
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- CN212456266U CN212456266U CN202021283509.9U CN202021283509U CN212456266U CN 212456266 U CN212456266 U CN 212456266U CN 202021283509 U CN202021283509 U CN 202021283509U CN 212456266 U CN212456266 U CN 212456266U
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Abstract
The utility model discloses a small-sized clean high-pressure liquid injection tool.A high-pressure gas cylinder is connected with a high-pressure tank sequentially through a pressure reducing valve and an upper three-way valve, a liquid level meter is correspondingly arranged on the high-pressure tank, a stop valve is arranged at the top end of the high-pressure tank, and the bottom end of the high-pressure tank is connected with a liquid tank through a lower three-way valve; the upper three-way valve is provided with a liquid injection port, and the lower three-way valve is provided with an exhaust port. The whole liquid injection tool is simple to operate, free of power mechanical driving, easy to detach, clean, efficient, non-toxic and pollution-free, high-pressure liquid pressure is easy to control, working efficiency is improved, and meanwhile environmental waste and fixed investment are reduced. The high-volatility FC72 liquid working medium filling device is successfully used for filling high-volatility FC72 liquid working medium in the space evaporation and condensation experimental device of the first cargo ship (TZ-1) in China on the ground, and pure FC72 liquid is filled into a liquid filling tank with certain pressure. In addition, the method is also suitable for places with high requirements on no pollution of filling liquid, such as food, chemical industry, pharmacy and the like.
Description
Technical Field
The utility model belongs to the technical field of laboratory or the small-size high pressure liquid equipment of annotating of industry, concretely relates to need not clean high pressure of motion machine part and annotate liquid system.
Background
In industrial production and laboratories, high pressure liquids are often used. The lift of a common liquid injection pump is limited, and the liquid injection pump is easily influenced by lubricating oil of the liquid injection pump in the liquid injection process. The system for injecting high-pressure liquid by using the mechanical pump is complex, the equipment is huge, the safety requirement of each component is higher, and the high-pressure liquid injection device cannot be well popularized in common occasions. For a certain special working medium, the requirement on cleanliness is high, but a general oil-free mechanical pump is expensive, and the head of the pump is limited by the type. And the pressure of the liquid required in the production is various, and the fixed-type booster pump cannot meet the practical and flexible application. In addition, when some special working media are injected, certain bubbles exist in the pipeline due to the fact that partial gas is dissolved in the medium and the pipeline is not thoroughly exhausted, and the like, and the working media have various pressures in production and cannot be adjusted correspondingly according to different working media; especially, when the working medium in the pipeline expands due to the influence of temperature, pipeline leakage is caused by overhigh pressure of the pipeline, and the stability of the system is influenced.
In the prior art, no special laboratory or industrial small-sized high-pressure liquid injection equipment exists, so how to develop a clean high-pressure liquid injection system without moving mechanical parts has important practical significance when being applied to the laboratory or industrial small-sized high-pressure liquid injection equipment, and the liquid injection system can be applied to places such as food, chemical engineering, pharmacy and the like with high requirements on no pollution to injected liquid.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a liquid frock is annotated to small-size clean high pressure provides a small-size, clean high efficiency promptly, easy operation, and liquid frock is annotated to repeatedly usable's high pressure is applied to in the small-size high pressure liquid equipment of laboratory or industry to applicable in food, chemical industry, pharmacy etc. do not have the pollution-free place that requires height to the filling liquid.
The utility model discloses the technical scheme who takes does:
a small-sized clean high-pressure liquid injection tool comprises a high-pressure gas cylinder, a pressure reducing valve, an upper three-way valve, a stop valve, a liquid level meter, a high-pressure tank, a lower three-way valve and a liquid tank, wherein the high-pressure gas cylinder is connected with the high-pressure tank sequentially through the pressure reducing valve and the upper three-way valve; the upper three-way valve is provided with a liquid injection port, and the lower three-way valve is provided with an exhaust port.
Further, the high-pressure tank is vertically arranged, the upper part of the high-pressure tank is provided with an exhaust and liquid injection port, the bottom of the high-pressure tank is provided with a liquid outlet, and the high-pressure gas and the liquid are separated under the action of gravity.
Furthermore, the upper three-way valve is respectively connected with the high-pressure gas cylinder, the high-pressure tank and the liquid injection pipeline, and the conversion between the high-pressure tank and the high-pressure gas cylinder pipeline as well as the conversion between the high-pressure tank and the liquid injection pipeline are realized through the upper three-way valve.
Furthermore, lower three-way valve is connected with high-pressure tank, liquid jar, exhaust pipe respectively, realizes the conversion between liquid jar pipeline and atmosphere and notes liquid pipeline through lower three-way valve.
Further, the high-pressure tank is selected from a high-purity nitrogen tank or an inert gas tank, and inert gas (such as helium) is directly contacted with the liquid to be injected, so that the possibility of liquid pollution or chemical reaction is reduced.
Furthermore, the pressure of the gas outlet can be adjusted by the high-pressure gas cylinder and the pressure reducing valve, so that the liquid injection quantity and the liquid injection pressure can be adjusted according to different requirements, and the flexible quantitative control requirement can be met.
Further, the high-pressure tank utilizes gravity to remove redundant gas in the high-pressure liquid system after each time of liquid injection is finished.
Furthermore, the pressure reducing valve, the stop valve, the upper three-way valve and the lower three-way valve are connected with the pipeline through clamping sleeves, the pipeline is connected with the pipeline through sleeves, and all components can be repeatedly disassembled or the length of the connecting pipe can be changed, so that the requirements of different filling positions can be met.
Furthermore, a transverse exhaust pipe is arranged at the exhaust port, an exhaust net is embedded in the transverse exhaust pipe, the exhaust net is of a cylindrical structure formed by an upper gasket and a lower gasket which are clamped by a net-shaped exhaust barrel, the upper gasket and the lower gasket are respectively of an annular disc structure with a through hole formed in the middle, and exhaust holes are formed in the side wall of the net-shaped exhaust barrel in a staggered mode.
Further, horizontal formula blast pipe and dust filter link to each other, and the dust filter sets up to dust absorption net a and dust absorption net b and circulates the cylinder structure of arranging the connection and laminating with the blast pipe inner wall that forms, and the equipartition is equipped with cellular partition net on the dust absorption net a, packs in the partition net and adsorbs the cotton, and dust absorption net b is arranged with several rings of supporting network in a concentric way, presss from both sides between the adjacent supporting network and establishes the active carbon layer.
An operation method of a small-sized clean high-pressure liquid injection tool comprises the following specific steps: injecting liquid at normal pressure into the high-pressure tank, communicating the high-pressure tank with a high-pressure gas cylinder pipeline, and slowly injecting high-pressure gas into the high-pressure tank; and closing the pipeline of the liquid tank when the liquid is injected, and discharging redundant gas in the high-pressure liquid system by using gravity to release redundant pressure of the high-pressure tank.
Furthermore, the pressure in the high-pressure tank and the liquid level condition in the high-pressure tank are observed at any time through a pressure gauge on the pressure reducing valve and a liquid level meter on the high-pressure tank in the injection process.
The utility model has the advantages that:
the whole liquid injection tool is simple to use and operate on site, safe, reliable, easy to detach, carry and transport, clean, efficient, non-toxic and pollution-free, high-pressure liquid pressure is easy to control, working efficiency is improved, and environment waste and fixed investment are reduced. In addition, the liquid injection process is always completed in a closed loop system, and the liquid injection device is more suitable for injecting high-volatility liquid.
Through the operation of each valve in the small-size clean high-pressure liquid injection tooling system, liquid can be injected into a liquid collection system with certain pressure, and the liquid injection method does not need additional power mechanical parts and is safe and reliable. Because the liquid does not pass through the mechanical moving part, the injected liquid is not influenced by the lubricating oil and has no pollution. The method is also suitable for places such as food, chemical industry, pharmacy and the like which have high requirements on no pollution of the injected liquid.
The exhaust net of the transverse exhaust pipe plays roles of buffering and exhausting, so that the flow distribution of bubbles is facilitated, and the exhaust is rapid and uniform; the dust filter plays the strong effect of support stability, and the filter effect is good, does not influence blast pipe tip gas outgoing simultaneously, long service life.
The small-sized clean high-pressure liquid injection tool is successfully used for filling flying pieces of a first cargo ship (TZ-1) space evaporation and condensation experimental device in China on the ground of FC72 liquid working medium in a launch site, and successfully fills pure FC72 liquid for space experiments into a liquid storage tank with certain pressure according to specific dosage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the utility model discloses in do not contain high-pressure gas cylinder and receive the liquid frock structural sketch map is annotated to small-size clean high pressure of annotating liquid jar.
Fig. 3 is a schematic structural view of the middle horizontal exhaust pipe of the present invention.
Fig. 4 is a schematic structural view of the middle dust filter of the present invention.
Wherein, 1, a high-pressure gas cylinder; 2. a pressure reducing valve; 3. an upper three-way valve; 4. a stop valve; 5. a liquid level meter; 6. A lower three-way valve; 7. a high-pressure tank; 8. a liquid tank; 9. a horizontal exhaust pipe; 10. an exhaust net; 11. a dust filter; 12. an upper gasket; 13. an exhaust hole; 14. a lower gasket.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, a small-sized clean high-pressure liquid injection tool comprises a high-pressure gas cylinder 1, a pressure reducing valve 2, an upper three-way valve 3, a stop valve 4, a liquid level meter 5, a high-pressure tank 7, a lower three-way valve 6, a liquid tank 8, a connecting pipeline, various connecting clamping sleeves, sleeves and the like, wherein the high-pressure gas cylinder 1 is connected with the high-pressure tank 7 sequentially through the pressure reducing valve 2 and the upper three-way valve 3, the liquid level meter 5 is correspondingly arranged on the high-pressure tank 7, the stop valve 4 is arranged at the top end of the high-pressure tank 7, and the bottom end of; the upper three-way valve 3 is provided with a liquid injection port, and the lower three-way valve 6 is provided with an exhaust port.
Further, the high-pressure tank 7 is vertically arranged, the upper part of the high-pressure tank is provided with an exhaust and liquid injection port, the bottom of the high-pressure tank is provided with a liquid outlet, and the high-pressure gas and the liquid are separated under the action of gravity.
Further, the upper three-way valve 3 is respectively connected with the high-pressure gas cylinder 1, the high-pressure tank 7 and the liquid injection pipeline, and the conversion between the high-pressure tank 7 and the high-pressure gas cylinder 1 and the liquid injection pipeline is realized through the upper three-way valve 3.
Further, lower three-way valve 6 is connected with high-pressure tank 7, liquid tank 8, exhaust pipe respectively, realizes the conversion between liquid tank 8 pipeline and atmosphere and notes liquid pipeline through lower three-way valve 6.
Further, the high-pressure tank 7 is a high-purity nitrogen tank or an inert gas tank, and redundant gas in the high-pressure liquid system is discharged by gravity again after liquid injection is completed each time.
Furthermore, the pressure reducing valve 2, the stop valve 4, the upper three-way valve 3 and the lower three-way valve 6 are connected with the pipeline through clamping sleeves, and the pipeline is connected with the pipeline through sleeves, so that all components can be detached repeatedly.
Further, a transverse exhaust pipe 9 is arranged at the exhaust port, an exhaust net 10 is embedded in the transverse exhaust pipe 9, the transverse exhaust pipe 9 is further arranged, the lower end of the transverse exhaust pipe 9 is connected with a pipeline through the exhaust net 10, the exhaust net 10 is a cylindrical structure formed by an upper gasket 12 and a lower gasket 14 which are clamped with a net-shaped exhaust cylinder, the upper gasket 12 and the lower gasket 14 are respectively arranged to be annular disc structures with through holes formed in the middle, and exhaust holes 13 are staggered on the side wall of the net-shaped exhaust cylinder. The special structure of the exhaust pipe is beneficial to forming certain air pressure flow, and the exhaust is smooth; the bubble diversion is rapid, the gas is discharged uniformly, and the exhaust effect is improved.
Furthermore, the transverse exhaust pipe 9 is connected with the dust filter 11, the dust filter 11 is of a cylinder structure which is formed by circularly arranging and connecting a dust collection net a and a dust collection net b and is attached to the inner wall of the exhaust pipe, cellular partition nets are uniformly distributed on the dust collection net a, adsorption cotton is filled in the partition nets, the dust collection net b is concentrically arranged and provided with a plurality of circles of support nets, an active carbon layer is clamped between the adjacent support nets, and the adsorption cotton and the active carbon layer are matched with each other to facilitate adsorption of floating dust in gas and to adapt to special purification environments.
Before the liquid injection work is started, a high-pressure nitrogen cylinder needs to be connected. In the liquid injection process, the pressure reducing valve 2 is adjusted to observe the indicating number of the pressure gauge, and the pressure in the high-pressure tank 7 and the pressure in the liquid tank 8 can be controlled.
The airtightness of the tool needs to be checked before the liquid injection is started, and the specific operation is as follows: and adjusting the upper three-way valve 3 to the position of the high-pressure gas cylinder 1, closing the lower three-way valve 6, opening the valve of the high-pressure gas cylinder 1, slowly opening the pressure reducing valve 2, and closing the valve at the side of the high-pressure gas cylinder 1 after the reading of the pressure gauge is stable. The pressure gauge reading on the pressure reducing valve 2 is observed to drop. After the airtightness is determined to be good, the pressure reducing valve 2 is closed, and then the gas in the high-pressure tank 7 is discharged.
And after the air tightness of the device is checked, checking whether each valve is in a closed state. Before liquid injection, the lower three-way valve 6 is screwed to the exhaust position, the upper three-way valve 3 is screwed to the liquid injection position, the stop valve 4 is opened, and liquid is slowly injected into the high-pressure tank 7 (not filled). And after the liquid injection of the high-pressure tank 7 is finished, the stop valve 4 is closed, the upper three-way valve 3 is adjusted to the position of the high-pressure gas cylinder 1, and the lower three-way valve 6 is screwed to the high-pressure filling position. And (3) connecting a liquid tank 8, opening a side valve of the high-pressure gas bottle 1, slowly opening the pressure reducing valve 2, and pressing the high-pressure irrigation liquid into the liquid tank 8 by using high-pressure gas. After the liquid in the high-pressure tank 7 is completely pressed into the liquid tank 8, the pressure reducing valve 2 is closed. And adjusting the position of the liquid tank 8, adjusting the lower three-way valve 6 to the position of an exhaust port, and exhausting redundant high-pressure gas in the liquid tank 8. After the completion, the lower three-way valve 6 is closed, the stop valve 4 is opened, the gas in the high-pressure tank 7 is discharged, and the primary liquid injection work is completed.
The small-sized clean high-pressure liquid injection tool is successfully used for filling flying pieces of a first cargo ship (TZ-1) space evaporation and condensation experiment device in China on the ground of FC72 liquid working medium in a launch site, and successfully fills high-volatility and pure FC72 liquid for space experiments into a liquid storage tank with certain pressure according to specific dosage. In addition, the method is also suitable for places with high requirements on no pollution of filling liquid, such as food, chemical industry, pharmacy and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A small-sized clean high-pressure liquid injection tool is characterized by comprising a high-pressure gas cylinder, a pressure reducing valve, an upper three-way valve, a stop valve, a high-pressure tank, a lower three-way valve and a liquid tank, wherein the high-pressure gas cylinder is connected with the high-pressure tank sequentially through the pressure reducing valve and the upper three-way valve; the upper three-way valve is provided with a liquid injection port, and the lower three-way valve is provided with an exhaust port.
2. The small-sized cleaning high-pressure liquid injection tool according to claim 1, wherein the high-pressure tank is vertically arranged, the upper part of the high-pressure tank is provided with an exhaust liquid injection port, the bottom of the high-pressure tank is provided with a liquid outlet, and the separation of high-pressure gas and liquid is realized through the action of gravity.
3. The small-sized clean high-pressure liquid injection tool according to claim 1, wherein the upper three-way valve is respectively connected with the high-pressure gas cylinder, the high-pressure tank and the liquid injection pipeline, and the switching between the high-pressure tank and the high-pressure gas cylinder pipeline and the liquid injection pipeline is realized through the upper three-way valve.
4. The small-sized clean high-pressure liquid injection tool according to claim 1, wherein the lower three-way valve is respectively connected with the high-pressure tank, the liquid tank and the exhaust pipeline, and the switching between the liquid tank pipeline and the atmosphere and the liquid injection pipeline is realized through the lower three-way valve.
5. The small-sized clean high-pressure liquid injection tool according to claim 1, wherein the high-pressure tank is a high-purity nitrogen tank or an inert gas tank, and redundant gas in the high-pressure liquid system is discharged by gravity again after liquid injection is completed each time.
6. The small-sized clean high-pressure liquid injection tool according to claim 1, wherein the pressure reducing valve, the stop valve, the upper three-way valve and the lower three-way valve are connected with the pipeline through clamping sleeves, the pipeline is connected with the pipeline through sleeves, and all components can be detached repeatedly.
7. The small-sized cleaning high-pressure liquid injection tool according to claim 1, wherein a transverse exhaust pipe is arranged at the exhaust port, an exhaust net is embedded in the transverse exhaust pipe, the exhaust net is a cylindrical structure formed by clamping a net-shaped exhaust barrel by an upper gasket and a lower gasket, the upper gasket and the lower gasket are respectively arranged in an annular disc structure with a through hole in the middle, and exhaust holes are formed in the side wall of the net-shaped exhaust barrel in a staggered mode.
8. The small-sized cleaning high-pressure liquid injection tool according to claim 7, wherein the horizontal exhaust pipe is connected with a dust filter, the dust filter is of a cylindrical structure which is formed by circularly arranging and connecting a dust collection net a and a dust collection net b and is attached to the inner wall of the exhaust pipe, cellular separation nets are uniformly distributed on the dust collection net a, adsorption cotton is filled in the separation nets, a plurality of circles of support nets are concentrically arranged on the dust collection net b, and an activated carbon layer is clamped between the adjacent support nets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283509.9U CN212456266U (en) | 2020-07-03 | 2020-07-03 | Small-size clean high pressure annotates liquid frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283509.9U CN212456266U (en) | 2020-07-03 | 2020-07-03 | Small-size clean high pressure annotates liquid frock |
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| Publication Number | Publication Date |
|---|---|
| CN212456266U true CN212456266U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021283509.9U Active CN212456266U (en) | 2020-07-03 | 2020-07-03 | Small-size clean high pressure annotates liquid frock |
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|---|---|
| CN (1) | CN212456266U (en) |
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- 2020-07-03 CN CN202021283509.9U patent/CN212456266U/en active Active
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