CN111157323A - Winch piston type gas-fixing liquid-distributing device and method - Google Patents
Winch piston type gas-fixing liquid-distributing device and method Download PDFInfo
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- CN111157323A CN111157323A CN202010059319.7A CN202010059319A CN111157323A CN 111157323 A CN111157323 A CN 111157323A CN 202010059319 A CN202010059319 A CN 202010059319A CN 111157323 A CN111157323 A CN 111157323A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 137
- 238000002360 preparation method Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012086 standard solution Substances 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000011550 stock solution Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 9
- 239000012159 carrier gas Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
Abstract
The embodiment of the invention discloses a winch piston type gas-fixing and liquid-distributing method, which comprises the following steps: the liquid preparation mixing bin body is vacuumized through a vacuum valve, and an upper valve cover of the liquid preparation mixing bin body is made to freely descend under the change of internal air pressure; calibrating the initial position of an upper valve cover under a primary standard solution for the liquid preparation mixing bin body; then, introducing stock solution into the liquid preparation mixing bin through a water inlet pipe until the stock solution appears on a graduated tube on an upper valve cover, and introducing standard gas into the liquid preparation mixing bin through a gas inlet pipe; the device comprises a cabin body and an upper valve cover, wherein the upper valve cover is connected with the inner wall of the cabin body through a movable sealing mechanism, so that when the standard liquid is taken after the liquid is dispensed, the liquid can be taken without communicating a built-in air bag inside the liquid dispensing device with the external atmosphere or directly blowing and pressurizing inwards, and the error of preparing the standard liquid and the waste in the process of extracting the standard liquid are reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of gas-fixing liquid distribution, in particular to a winch piston type gas-fixing liquid distribution device and method.
Background
In the traditional gas-fixing liquid-dispensing experiment, a fixing cover of a liquid-dispensing bottle cannot move, when a standard liquid is taken after liquid dispensing is finished, a built-in air bag in a liquid-dispensing device is communicated with the outside atmosphere or is directly blown inwards to pressurize, so that liquid can be taken, in the actual extraction process, the internal part of a liquid-dispensing mixing bin body needs to be contacted with air, the calibration result before liquid dispensing is influenced, in addition, due to the limited expansion space of the built-in air bag, complete liquid taking cannot be realized, only the standard liquid in the volume of the device 1/3 can be obtained each time, the waste of the standard liquid is greatly caused, and in the next process of liquid dispensing, the error of the standard liquid caused by the fact that the liquid cannot be taken completely is accumulated, and the calibration of the standard liquid needs to be carried out repeatedly.
Disclosure of Invention
Therefore, the embodiment of the invention provides a winch piston type gas-fixed liquid-mixing device and a method, which solve the problems that in the actual extraction process, the inside of a liquid-mixing cabin body needs to be contacted with air in a mode, the calibration result before liquid preparation is influenced, in addition, because the expansion space of an internal air bag is limited, complete liquid extraction cannot be realized, only the standard liquid with the volume of 1/3 can be obtained each time, the waste of the standard liquid is great, and in the next process of preparing the standard liquid, the calibration of the standard liquid needs to be repeatedly carried out due to the standard solution error caused by incomplete liquid extraction before accumulation.
In order to achieve the above object, an embodiment of the present invention provides the following:
a winch piston type gas-fixing liquid-distributing device and method comprises the following steps:
s100, carrying out vacuum pumping treatment on the liquid preparation mixing bin body through a vacuum valve arranged on the liquid preparation mixing bin body, and enabling an upper valve cover of the liquid preparation mixing bin body to freely descend under the change of internal air pressure;
s200, calibrating the initial position of an upper valve cover under a primary standard solution for the liquid preparation mixing bin body;
s300, then introducing stock solution into the liquid preparation mixing bin through a water inlet pipe until the stock solution appears on a graduated tube on an upper valve cover, and introducing standard gas into the liquid preparation mixing bin through a gas inlet pipe;
s400, extracting the standard solution after gas determination and liquid preparation through a water outlet arranged on the upper valve cover.
As a preferred scheme of the invention, the specific method for calibrating the initial position of the upper valve cover under the condition of one-time standard solution for the liquid preparation mixing bin body in the step S200 comprises the following steps:
s201, calculating the volume relation between a standard solution and a mixing bin body under the theoretical condition, and further calibrating the position of an upper valve cover in the mixing bin body under the condition of the standard solution;
s202, injecting gas into the mixing bin body through the gas inlet at the same time until the upper valve cover reaches a calibration position;
s203, then closing the air inlet of the liquid preparation mixing cabin body, and carrying out vacuum pumping treatment on the liquid preparation mixing cabin body again.
As a preferred scheme of the invention, in S202, gas is simultaneously injected into the mixing bin body through the gas inlet until the upper valve cover reaches a calibration position, and a hollow air bag with a tight surface and a graduated tube which is connected with the hollow air bag and is used for displaying the liquid level change in the hollow air bag are arranged on the lower surface of the upper valve cover in consideration of the solubility error of gas-liquid mixing; and when the upper valve cover reaches the calibration position, recording the liquid level position in the graduated tube, and after the step S300, enabling the liquid level in the liquid preparation mixing bin to reach the same position.
As a preferable scheme of the present invention, after the step S300 is completed, the liquid level in the liquid preparation mixing bin does not reach the liquid level position in the graduated tube recorded when the upper valve cover reaches the calibration position, and the upper valve cover is pressed down or lifted up by an external hoisting mechanism.
As a preferable scheme of the invention, when the standard liquid is taken in S400, the water inlet and the air inlet of the matched mixing bin body are closed, the vacuum system is opened to work reversely, carrier gas insoluble in standard liquid is introduced into the liquid-matched mixing bin body, and the rate of introducing the carrier gas into the vacuum system is the same as the liquid taking rate.
The invention provides a winding piston type gas-fixing liquid-distributing device which comprises a bin body, wherein an upper valve cover which is vertically displaced according to the change of air pressure in the bin body is arranged on the bin body, the upper valve cover is connected with the inner wall of the bin body through a movable sealing mechanism, and a check ring which is in interference fit with the upper valve cover is arranged at the top of the bin body through a nut;
the movable sealing mechanism comprises an annular main body fixedly connected to an upper valve cover, a semicircular groove is formed in the contact surface of the annular main body and the inner wall of the bin body, rolling seal rings are embedded in the side surfaces of the inner ring and the outer ring of the semicircular groove, an active air valve connected to the inner cavity of the bin body is arranged in the middle of the upper valve cover, and the active air valve is connected to the semicircular groove through a pipeline.
In a preferable scheme of the invention, a fixed air expansion bag is arranged in a pipeline connected with the active air valve in the bin body, and the active air valve is connected with an exhaust valve arranged on the upper valve cover through a pipeline.
As a preferred scheme of the invention, the upper valve cover is vertically provided with a vacuum-pumping valve and an exhaust valve, and the bottom of the bin body is provided with a water inlet seat and an air inlet.
As a preferable scheme of the invention, a water inlet pipe connected to the interior of the bin body is arranged on the water inlet seat, a pressure stabilizing spring plug is connected to the back side of the water inlet pipe, and a water inlet connected to the joint of the pressure stabilizing spring plug and the water inlet pipe is vertically arranged on the water inlet seat.
As a preferable scheme of the invention, the outer side edge and the inner side edge of the annular main body are provided with deformation attaching rings.
The embodiment of the invention has the following advantages:
according to the invention, the pressure balance in the liquid preparation mixing cabin body is carried out by replacing air pressure with carrier gas insoluble in standard liquid through single calibration and error realization and reverse work of a vacuum system, so that the error in the actual calibration process is reduced, the accuracy of the standard liquid is improved, and the repeated liquid calibration operation is reduced.
The upper valve cover of the liquid preparation bottle capable of moving up and down can realize liquid taking without communicating a built-in air bag in the liquid preparation device with the outside atmosphere or directly blowing air inwards to pressurize when the liquid preparation is finished and then the standard liquid is taken, thereby reducing the waste of the standard liquid, solving the problems that the liquid needs to be fed and fed in the bin body due to the fact that a single point of a winding mechanism acts on the central position of the upper valve cover and the contact of the upper valve cover and the bin body has relative motion in the liquid preparation process, causing the deformation of the edge of the upper valve cover in contact with the bin body and the change of the pressure intensity in the bin body, further causing the liquid leakage in the bin body and the tissue air inlet and liquid inlet.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic structural diagram of a lifting piston type gas-fixing liquid-distributing device in an embodiment of the invention;
fig. 2 is a structural block diagram of a winch piston type gas-fixing and liquid-distributing method in an embodiment of the invention.
In the figure:
1-a cabin body; 2-upper valve cover; 3-a movable sealing mechanism; 4-a retainer ring; 5-air-fixing expansion bag; 6-exhaust valve; 7-a vacuum-pumping valve; 8-an air inlet; 9-water inlet seat; 10-a water inlet pipe; 11-a pressure-stabilizing spring plug; 12-a water inlet;
301-a ring-shaped body; 302-semi-circular groove; 303-rolling a seal ring; 304-active gas valve; 305-deforming the attachment ring.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 2, a method for gas-fixed liquid distribution of a winch piston comprises the following steps:
s100, carrying out vacuum pumping treatment on the liquid preparation mixing bin body through a vacuum valve arranged on the liquid preparation mixing bin body, and enabling an upper valve cover of the liquid preparation mixing bin body to freely descend under the change of internal air pressure;
s200, calibrating the initial position of an upper valve cover under a primary standard solution for the liquid preparation mixing bin body;
s300, then introducing stock solution into the liquid preparation mixing bin through a water inlet pipe until the stock solution appears on a graduated tube on an upper valve cover, and introducing standard gas into the liquid preparation mixing bin through a gas inlet pipe;
s400, extracting the standard solution after gas determination and liquid preparation through a water outlet arranged on the upper valve cover.
As a preferred scheme of the invention, the specific method for calibrating the initial position of the upper valve cover under the condition of one-time standard solution for the liquid preparation mixing bin body in the step S200 comprises the following steps:
s201, calculating the volume relation between a standard solution and a mixing bin body under the theoretical condition, and further calibrating the position of an upper valve cover in the mixing bin body under the condition of the standard solution;
s202, injecting gas into the mixing bin body through the gas inlet at the same time until the upper valve cover reaches a calibration position;
s203, then closing the air inlet of the liquid preparation mixing cabin body, and carrying out vacuum pumping treatment on the liquid preparation mixing cabin body again.
As a preferred scheme of the invention, in S202, gas is simultaneously injected into the mixing bin body through the gas inlet until the upper valve cover reaches a calibration position, and a hollow air bag with a tight surface and a graduated tube which is connected with the hollow air bag and is used for displaying the liquid level change in the hollow air bag are arranged on the lower surface of the upper valve cover in consideration of the solubility error of gas-liquid mixing; and when the upper valve cover reaches the calibration position, recording the liquid level position in the graduated tube, and after the step S300, enabling the liquid level in the liquid preparation mixing bin to reach the same position.
As a preferred scheme of the present invention, after the step S300 is completed, if the liquid level in the liquid preparation mixing bin does not reach the liquid level position in the graduated tube recorded when the upper valve cover reaches the calibration position, the upper valve cover is pressed down or lifted by an external hoisting mechanism, so as to realize the error in the process of preparing the standard solution, and provide specific error parameters for the subsequent standard solution preparation.
As a preferred scheme of the invention, when the liquid is taken out of the standard liquid in S400, the water inlet and the air inlet of the matched mixing bin body are closed, so that the interior of the liquid preparation mixing bin body is kept in a sealed state, the vacuum system is opened and works reversely, specifically, the vacuum system is connected with an external blowing mechanism, specifically, the vacuum system is a vacuum pump, and a carrier gas insoluble in the standard liquid is introduced into the liquid preparation mixing bin body through the reverse work of the vacuum pump, so that the problem that the error of the standard liquid is increased because the liquid preparation mixing bin body and the external atmospheric pressure are kept all the time when the standard liquid is extracted in the prior art is avoided, and further, the air enters the liquid preparation mixing bin body, and the carrier gas introduction rate and the liquid taking rate of the vacuum system.
Example 2:
as shown in fig. 1, the invention provides a winding piston type gas-fixed liquid distribution device, which comprises a bin body 1, wherein an upper valve cover 2 which is vertically displaced according to the change of the air pressure in the bin body 1 is arranged on the bin body 1, the upper valve cover 2 is connected with the inner wall of the bin body 1 through a movable sealing mechanism 3, and a check ring 4 which is in interference fit with the upper valve cover 2 is arranged at the top of the bin body 1 through a nut;
further, in order to realize that the upper valve cover 2 can move up and down in the bin body 1, the upper valve cover 2 is connected with the upper valve cover 2 through an external bracket mounting hoisting mechanism, and the upper valve cover can also be realized through any one of a pneumatic piston cylinder, a hydraulic cylinder or a precision lead screw and lead screw nut pair assembly.
And the air pressure signal in the bin body 1 collected by the air pressure sensor arranged on the bottom surface of the upper valve cover 2 can be used as a driving signal of any one driving mechanism in a pneumatic piston cylinder, a hydraulic cylinder or a precision lead screw and lead screw nut pair assembly.
In the actual liquid preparation process, manual operation is needed, and the hoisting mechanism preferably realizes the up-and-down movement of the upper valve cover 2.
The winding mechanism is a crank handle arranged on an external support, the tail end of the crank handle is arranged in the middle of the upper valve cover 2 through a bearing, and the handle in the hand area is in spiral connection with the external support.
In order to solve the problem that the liquid entering the bin body 1 flows back to the water inlet pipe and the air inlet pipe of the bin body 1 due to the sealing state and the negative pressure state in the bin body 1 and the downward pressure in the process that the upper valve cover 2 moves up and down.
The movable sealing mechanism 3 comprises an annular main body 301 fixedly connected to the upper valve cover 2, a semi-circular groove 302 is arranged on the contact surface of the annular main body 301 and the inner wall of the bin body 1, a rolling seal ring 303 is embedded on the side surface of the inner ring and the side surface of the outer ring of the semi-circular groove 302, an active air valve 304 connected to the inner cavity of the bin body 1 is arranged in the middle of the upper valve cover 2, and the active air valve 304 is connected to the semi-circular groove 302 through a pipeline.
Because the single point of the hoisting mechanism acts on the central position of the upper valve cover 2 and liquid and air are required to be fed into the bin body 1 in the liquid distribution process, the upper valve cover 2 and the bin body 1 are in relative motion, the edge of the upper valve cover 2 in contact with the bin body 1 is deformed, the pressure inside the bin body 1 is changed, and further the liquid in the bin body 1 is leaked and the air and liquid are organized, a sealing cavity is formed between the semicircular annular groove 302 arranged on the annular main body 301 and the inner wall of the bin body 1, and the upper valve cover 2 is sealed in the downward movement process.
The active air valve 304 is connected to the pipeline in the cabin body 1, the fixed air expansion bag 5 is arranged in the pipeline, and the active air valve 304 is connected to the exhaust valve 6 arranged on the upper valve cover 2 through the pipeline.
The lower surface of the fixed air expansion bag 5 is used as the bottom surface of the upper valve cover 2 and is in a tight state, and the fixed air expansion bag 5 is made of rubber materials with small surface tension and small stress deformation degree.
When the upper valve cover 2 is positioned in the mixing cabin body under the condition of standard solution, liquid is introduced into the fixed air expansion bag 5 and is communicated with a graduated tube arranged on the upper valve cover 2, the semi-circular groove 302 can be sealed by the liquid, and the liquid can be selected as the prepared standard solution.
The upper valve cover 2 is vertically provided with a vacuum pumping valve 7 and an exhaust valve 6, and the bottom of the bin body 1 is provided with a water inlet seat 9 and a gas inlet 8.
Be provided with the inlet tube 10 that is connected to the 1 inside in storehouse body on the seat 9 of intaking, the inlet tube 10 dorsal part is connected with steady voltage spring cock 11, the vertical water inlet 12 that is connected to steady voltage spring cock 11 and inlet tube 10 junction that is provided with on the seat 9 of intaking, steady voltage spring cock 10 comprises the piston rod of installing in inlet tube 10 and the spring of suit on the piston rod, steady voltage spring cock 10's effect is at the in-process steady voltage spring cock 10 axial displacement of last valve gap 2 pushing down, enlarge the inflow of water inlet 12, reduce the influence of the 2 decline in-process of last valve gap to the pressure in the 1 inside in storehouse body, avoid organizing water entering in the water inlet 12 storehouse body 1.
Through the upper valve cover 2 of the liquid preparation bottle capable of moving up and down, when the label liquid is taken after the liquid preparation is finished, the liquid can be taken without communicating a built-in air bag inside the liquid preparation device with the external atmosphere or directly blowing and pressurizing inwards, and the waste of the label liquid is reduced.
The outer edge and the inner edge of the annular main body 301 are provided with deformation sticking rings 305 which further stick to the surface of the bin body 1 and the upper valve cover 2 to deform in a adaptability way in the process of moving up and down.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A winding piston type gas-fixing liquid-distributing method is characterized by comprising the following steps:
s100, carrying out vacuum pumping treatment on the liquid preparation mixing bin body through a vacuum valve arranged on the liquid preparation mixing bin body, and enabling an upper valve cover of the liquid preparation mixing bin body to freely descend under the change of internal air pressure;
s200, calibrating the initial position of an upper valve cover under a primary standard solution for the liquid preparation mixing bin body;
s300, then introducing stock solution into the liquid preparation mixing bin through a water inlet pipe until the stock solution appears on a graduated tube on an upper valve cover, and introducing standard gas into the liquid preparation mixing bin through a gas inlet pipe;
s400, extracting the standard solution after gas determination and liquid preparation through a water outlet arranged on the upper valve cover.
2. The winding piston type gas-fixing and liquid-distributing device and method according to claim 1, wherein the specific method for calibrating the initial position of the upper valve cover under the standard solution for one time of the liquid-distributing mixing bin body in the step S200 is as follows:
s201, calculating the volume relation between a standard solution and a mixing bin body under the theoretical condition, and further calibrating the position of an upper valve cover in the mixing bin body under the condition of the standard solution;
s202, injecting gas into the mixing bin body through the gas inlet at the same time until the upper valve cover reaches a calibration position;
s203, then closing the air inlet of the liquid preparation mixing cabin body, and carrying out vacuum pumping treatment on the liquid preparation mixing cabin body again.
3. The winding piston type gas-fixed liquid distribution method according to claim 2, characterized in that in step S202, gas is simultaneously injected into the mixing chamber body through the gas inlet until the upper valve cover reaches a calibration position, and in consideration of solubility error of gas-liquid mixing, a hollow air bag with a tight surface and a scale pipe connected with the hollow air bag are arranged on the lower surface of the upper valve cover and used for displaying liquid level change in the hollow air bag; and when the upper valve cover reaches the calibration position, recording the liquid level position in the graduated tube, and after the step S300, enabling the liquid level in the liquid preparation mixing bin to reach the same position.
4. The winding piston type gas-fixed liquid distribution device and method according to claim 3, wherein if the liquid level in the liquid distribution mixing bin does not reach the liquid level position in the graduated tube recorded when the upper valve cover reaches the calibration position after the step S300 is completed, the upper valve cover is pressed down or lifted up by an external winding mechanism.
5. The winding piston type gas-fixed liquid-distributing device and method according to claim 3, characterized in that when S400 is used for liquid-taking of standard liquid, the water inlet and the air inlet of the matching mixing bin body are closed, the vacuum system is opened to work reversely, carrier gas insoluble in standard liquid is introduced into the liquid-distributing mixing bin body, and the rate of introducing carrier gas into the vacuum system is the same as the liquid-taking rate.
6. The winding piston type gas-fixed liquid distribution device is characterized by comprising a bin body (1), wherein an upper valve cover (2) which can vertically displace according to the change of the air pressure in the bin body (1) is arranged on the bin body (1), the upper valve cover (2) is connected with the inner wall of the bin body (1) through a movable sealing mechanism (3), and a check ring (4) which is in interference fit with the upper valve cover (2) is arranged at the top of the bin body (1) through a nut;
the movable sealing mechanism (3) comprises an annular main body (301) fixedly connected to the upper valve cover (2), a semi-circular ring groove (302) is formed in the contact surface of the annular main body (301) and the inner wall of the bin body (1), rolling sealing rings (303) are embedded in the side surfaces of the inner ring and the outer ring of the semi-circular ring groove (302), an active air valve (304) connected to the inner cavity of the bin body (1) is arranged in the middle of the upper valve cover (2), and the active air valve (304) is connected to the semi-circular ring groove (302) through a pipeline.
7. Winding piston type gas-fixed liquid distribution device according to claim 6, characterized in that the gas-fixed expansion bladder (5) is arranged in a pipe connecting the active gas valve (304) to the cabin body (1), and the active gas valve (304) is connected to the gas outlet valve (6) arranged on the upper valve cover (2) through a pipe.
8. A winding piston type gas and liquid fixing and distributing device according to claim 6, characterized in that the upper valve cover (2) is vertically provided with a vacuum valve (7) and an exhaust valve (6), and the bottom of the bin body (1) is provided with a water inlet seat (9) and an air inlet (8).
9. A winding piston type gas and liquid fixing and distributing device according to claim 6, characterized in that a water inlet pipe (10) connected to the inside of the cabin body (1) is arranged on the water inlet seat (9), a pressure stabilizing spring plug (11) is connected to the back side of the water inlet pipe (10), and a water inlet (12) connected to the joint of the pressure stabilizing spring plug (11) and the water inlet pipe (10) is vertically arranged on the water inlet seat (9).
10. Winding piston type gas and liquid dosing device according to claim 6, characterized in that the outer and inner edges of the ring-shaped body (301) are provided with deformation collars (305).
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| CN202010059319.7A CN111157323B (en) | 2020-01-19 | 2020-01-19 | Winch piston type fixed gas and liquid distribution device and method |
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| CN202010059319.7A CN111157323B (en) | 2020-01-19 | 2020-01-19 | Winch piston type fixed gas and liquid distribution device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112191118A (en) * | 2020-09-28 | 2021-01-08 | 艾吉析科技(南京)有限公司 | Preparation method of high-precision mixed gas solution |
| CN112903931A (en) * | 2021-01-19 | 2021-06-04 | 国鼎检测技术(重庆)有限公司 | Food processing and detecting integrated device for multiple samples |
| CN113866373A (en) * | 2021-09-15 | 2021-12-31 | 广州海洋地质调查局 | Method and cavity for measuring Henry constant of methane in water |
| CN116448532A (en) * | 2023-04-17 | 2023-07-18 | 防灾科技学院 | Piston type automatic fixed gas and liquid distribution device and experimental method thereof |
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