CN108533789B - Gas-liquid mixing valve - Google Patents
Gas-liquid mixing valve Download PDFInfo
- Publication number
- CN108533789B CN108533789B CN201810530694.8A CN201810530694A CN108533789B CN 108533789 B CN108533789 B CN 108533789B CN 201810530694 A CN201810530694 A CN 201810530694A CN 108533789 B CN108533789 B CN 108533789B
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- CN
- China
- Prior art keywords
- valve seat
- gas
- valve
- cavity
- liquid
- Prior art date
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- 239000007788 liquid Substances 0.000 title claims abstract description 107
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a gas-liquid mixing valve, which comprises a first valve seat with a first cavity, a second valve seat with a second cavity, a cover plate arranged above the second valve seat, and a valve core penetrating into the second cavity, wherein the second valve seat comprises a valve seat body, a first extension part used for extending into the first cavity and a second extension part used for sealing the second cavity; the gas-liquid mixing valve further comprises a liquid inlet pipe arranged on the valve seat body, a liquid outlet arranged at the bottom of the first extension part, an air inlet pipe arranged on the first valve seat and a discharge pipe arranged at the bottom of the first valve seat; the valve core comprises a first end part which is used for abutting against the inner peripheral part of the first extension part to prevent liquid from entering the first cavity, and when the first end part abuts against the first extension part, the distance of the bottom of the valve core higher than the bottom of the first extension part along the length extension direction of the valve core is d, wherein d is more than or equal to 0 and less than or equal to 3mm. According to the gas-liquid mixing valve, the second cavity is always filled when liquid and gas are continuously mixed, and the liquid flow is stable when the liquid and the gas are mixed.
Description
Technical Field
The invention relates to a gas-liquid mixing valve.
Background
When the gas and the liquid are mixed, the gas and the liquid are respectively conveyed through an air inlet pipe and a liquid inlet pipe for mixing. The switch valve of liquid is generally installed on the feed liquor pipe, and the position of switch valve is far away from the mixing point, when mixing is continued, because the liquid outlet department produces negative pressure, can appear the condition that liquid in the feed liquor pipe behind the switch valve is not full of the pipe, and then the stability of liquid flow when influencing the mixing.
Disclosure of Invention
The invention aims to provide a gas-liquid mixing valve, which can ensure that liquid is always filled in a liquid inlet pipe and a second cavity when the liquid is continuously mixed with gas, so that the stability of liquid flow during mixing is ensured.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the gas-liquid mixing valve comprises a first valve seat with a first cavity, a second valve seat with a second cavity, a cover plate arranged above the second valve seat and used for sealing the second cavity, and a valve core penetrating through the second cavity and the cover plate and moving up and down, wherein gaps between the outer peripheral part of the valve core and the inner peripheral part of the second valve seat are distributed, the second valve seat comprises a valve seat body, a first extension part which is formed by downward extension of the valve seat body and used for extending into the first cavity, and a second extension part which is formed by outward extension of the outer peripheral part of the valve seat body and used for sealing the second cavity, and gaps between the outer peripheral part of the first extension part and the inner peripheral part of the first valve seat are distributed;
the gas-liquid mixing valve further comprises a liquid inlet pipe, a liquid outlet, an air inlet pipe and a discharge pipe, wherein the liquid inlet pipe is arranged on the valve seat body and communicated with the second cavity, the liquid outlet is formed in the bottom of the first extension part, the air inlet pipe is arranged on the first valve seat and communicated with the first cavity, and the discharge pipe is arranged at the bottom of the first valve seat and is positioned below the liquid outlet;
the valve core comprises a first end part which is used for abutting against the inner peripheral part of the first extension part to prevent liquid from entering the first cavity, and when the first end part abuts against the first extension part, the distance of the bottom of the valve core higher than the bottom of the first extension part along the length extension direction of the valve core is d, wherein d is more than or equal to 0 and less than or equal to 3mm.
Preferably, the outer peripheral portion of the first valve seat extends outward to form a third extension portion located below the second extension portion, and the gas-liquid mixing valve further includes a first fixing mechanism for fixing the third extension portion to the second extension portion.
Preferably, the gas-liquid mixing valve further comprises a second fixing mechanism for fixing the cover plate to the top end of the valve seat body.
Preferably, the second cavity is cylindrical, the second cavity, the valve core, the liquid outlet and the discharge pipe are all coaxially extended, and the axial leads of the second cavity are distributed along the vertical direction.
Preferably, the gas-liquid mixing valve further includes a first seal provided between the first end portion and an inner peripheral portion of the first extension portion.
Preferably, the gas-liquid mixing valve further comprises a second sealing member arranged between the valve core and the cover plate.
Preferably, the gas-liquid mixing valve further comprises a third seal provided between the upper surface of the valve seat body and the lower surface of the cover plate.
Preferably, the gas-liquid mixing valve further includes a fourth seal provided between a lower surface of the valve seat body and an upper surface of the first valve seat.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the gas-liquid mixing valve, when the first end part abuts against the first extension part, the distance d between the bottom of the valve core and the bottom of the first extension part along the length extension direction of the valve core is set, wherein d is more than or equal to 0 and less than or equal to 3mm, so that whether liquid enters the first end part of the first cavity through the liquid outlet and keeps a relatively close distance from a gas-liquid mixing point is controlled, and even if negative pressure is generated at the communication part of the first cavity and the second cavity, the liquid can be ensured to always fill the liquid inlet pipe and the second cavity when the liquid is continuously mixed with the gas, and the stability of liquid flow during mixing is ensured.
Drawings
Fig. 1 is a schematic structural view of the device of the present invention.
Wherein: 1. a first cavity; 2. a first valve seat; 3. a second cavity; 4. a second valve seat; 41. a valve seat body; 42. a first extension; 43. a second extension; 5. a cover plate; 6. a valve core; 7. a liquid inlet pipe; 8. a liquid outlet; 9. an air inlet pipe; 10. a discharge pipe; 11. a first end; 12. a third extension; 13. a first fixing mechanism; 14. a second fixing mechanism; 15. a first seal; 16. a second seal; 17. a third seal; 18. and a fourth seal.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the gas-liquid mixing valve includes a first valve seat 2 having a first chamber 1, and a second valve seat 4 having a second chamber 3. In this embodiment, the first cavity 1 and the second cavity 3 each have an upward opening, and the bodies of the first valve seat 2 and the second valve seat 4 are cylindrical, and the bodies of the first cavity 1 and the second cavity 3 are also cylindrical.
The gas-liquid mixing valve further comprises a cover plate 5 which is arranged above the second valve seat 4 and used for sealing the second cavity 3, and a valve core 6 which is movably arranged in the second cavity 3 and the cover plate 5 in an up-and-down mode, wherein gaps are distributed between the outer peripheral part of the valve core 6 and the inner peripheral part of the second valve seat 4, and a liquid inlet cavity is formed. In the present embodiment, the second valve seat 4 includes the valve seat body 41, the first extension portion 42 formed by the downward extension of the valve seat body 41 for extending into the first chamber 1, the second extension portion 43 formed by the outward extension of the outer peripheral portion of the valve seat body 41 for sealing the second chamber 3, and the gap between the outer peripheral portion of the first extension portion 42 and the inner peripheral portion of the first valve seat 2 is distributed to form the intake chamber, that is, the gas-liquid mixing chamber. In this embodiment, the valve seat body 41 and the first extension portion 42 are both cylindrical, the diameter of the valve seat body 41 is larger than that of the first extension portion 42, the valve core 6 is movably penetrated in the valve seat body 41 and the first extension portion 42 along the vertical direction at the same time, the first extension portion 42 and the valve core 6 extend coaxially, and the axial lines of the first extension portion 42 and the valve core 6 are distributed along the vertical direction; the second extension 43 extends outward in the horizontal direction, and the second extension 43 is annular.
The gas-liquid mixing valve further comprises a liquid inlet pipe 7 arranged on the valve seat body 41 and communicated with the second cavity 3, a liquid outlet 8 arranged at the bottom of the first extension part 42, an air inlet pipe 9 arranged on the first valve seat 2 and communicated with the first cavity 1, and a discharge pipe 10 arranged at the bottom of the first valve seat 2 and positioned below the liquid outlet 8. In this embodiment, the liquid inlet pipe 7 is opened at the side of the valve seat body 41 along the horizontal direction, and the air inlet pipe 9 is opened at the side of the first valve seat 2 along the horizontal direction; the second cavity 3, the valve core 6, the liquid outlet 8 and the discharging pipe 10 are all coaxially extended, and the axial leads of the second cavity are distributed along the vertical direction. Through this setting, in liquid outlet 8 below, the compression gaseous ring is round this liquid outlet 8, and the distance between liquid outlet 8 bottom and the discharging pipe 10 top is less, and the compressed gas can be with the liquid mixture of liquid outlet 8 department outflow with higher velocity of flow, makes gas and liquid mixture more even.
The valve cartridge 6 includes a first end 11 for abutting against the inner peripheral portion of the first extension 42 to prevent liquid from entering the first chamber 1, and in this embodiment, the first end 11 is for abutting against the bottom of the first extension 42. When the first end 11 abuts against the first extension portion 42, the bottom of the valve core 6 is higher than the bottom of the first extension portion 42 along the length extending direction by a distance d, where d is 0-3 mm, and because the first extension portion 42 has a certain thickness, the bottom of the first extension portion 42 is the lowest point of the first extension portion 42. Through this setting, make control liquid whether get into the first end 11 of first cavity 1 through liquid outlet 8 and keep nearer the distance between the gas-liquid mixing point, even though the intercommunication department of first cavity 1 and second cavity 3 produces the negative pressure, also can guarantee that liquid is full of feed liquor pipe 7 and second cavity 3 all the time when mixing with the gas continuously to guarantee the stability of liquid flow when mixing. When d is 0, the first end 11 abuts against the bottom of the first extension portion 42, so as to prevent liquid from entering the first cavity 1, at this time, the liquid can be distributed over the whole second cavity 3 and the liquid inlet pipe 7, and when the valve core 6 is upwards far away from the liquid outlet 8, the liquid cannot be distributed over the second cavity 3 and the liquid inlet pipe 7 due to negative pressure generated at the liquid outlet 8 in the second cavity 3 when the liquid is continuously mixed. The first end 11 acts as a switching valve for the liquid in the second chamber 3, i.e. the switching valve can be controlled to be kept at a relatively close distance from the first chamber 1 by controlling the size of d.
The outer peripheral portion of the first valve seat 2 extends outward to form a third extension portion 12 located below the second extension portion 43, and in this embodiment, the third extension portion 12 extends outward in the horizontal direction, the third extension portion 12 is annular, and the outer diameter of the third extension portion 12 is the same as the outer diameter of the second extension portion 43.
The gas-liquid mixing valve further includes a first fixing mechanism 13 for fixing the third extension 12 to the second extension 43, and a second fixing mechanism 14 for fixing the cover plate 5 to the top end of the valve seat body 41. In the present embodiment, the first fixing mechanism 13 and the second fixing mechanism 14 are both fixing bolts.
The gas-liquid mixing valve further includes a first seal 15 provided between the first end portion 11 and the inner peripheral portion of the first extension portion 42. In this embodiment, the first sealing member 15 is a sealing ring, and by setting the first sealing member 15, when the first end 11 abuts against the first extension portion 42 through the first sealing member 15, a sealing effect between the first cavity 1 and the second cavity 3 can be ensured, and liquid is effectively prevented from entering the first cavity 1.
The gas-liquid mixing valve further includes a second seal 16 provided between the valve body 6 and the cover plate 5, and a third seal 17 provided between the upper surface of the valve seat body 41 and the lower surface of the cover plate 5. In this embodiment, the second sealing member 16 and the third sealing member 17 are sealing rings, the second sealing member 16 is sleeved on the valve core 6, and by providing the second sealing member 16 and the third sealing member 17, the medium in the second cavity 3 can be prevented from leaking to the outside.
The gas-liquid mixing valve further includes a fourth seal 18 provided between the lower surface of the valve seat body 41 and the upper surface of the first valve seat 2. In the present embodiment, the fourth seal 18 is a seal ring, and by providing the fourth seal 18, the medium in the first chamber 1 can be prevented from leaking to the outside.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
1. A gas-liquid mixing valve is characterized in that: the valve seat comprises a first valve seat body, a second valve seat, a cover plate, a valve core and a clearance distribution between the outer peripheral part of the valve core and the inner peripheral part of the second valve seat, wherein the first valve seat is provided with a first cavity, the second valve seat is provided with a second cavity, the cover plate is arranged above the second valve seat and is used for sealing the second cavity, the valve core penetrates through the second cavity and the cover plate and moves up and down, the clearance distribution between the outer peripheral part of the valve core and the inner peripheral part of the second valve seat is formed by downwards extending the valve seat body, the first extending part is formed by outwards extending the outer peripheral part of the valve seat body and is used for sealing the first cavity, and the clearance distribution between the outer peripheral part of the first extending part and the inner peripheral part of the first valve seat is formed by outwards extending the outer peripheral part of the valve seat body;
the gas-liquid mixing valve further comprises a liquid inlet pipe, a liquid outlet, an air inlet pipe and a discharge pipe, wherein the liquid inlet pipe is arranged on the valve seat body and communicated with the second cavity, the liquid outlet is formed in the bottom of the first extension part, the air inlet pipe is arranged on the first valve seat and communicated with the first cavity, and the discharge pipe is arranged at the bottom of the first valve seat and is positioned below the liquid outlet;
the valve core comprises a first end part which is used for abutting against the inner peripheral part of the first extension part to prevent liquid from entering the first cavity, and when the first end part abuts against the first extension part, the distance of the bottom of the valve core higher than the bottom of the first extension part along the length extension direction of the valve core is d, wherein d is more than or equal to 0 and less than or equal to 3mm.
2. A gas-liquid mixing valve according to claim 1, wherein: the outer peripheral part of the first valve seat extends outwards to form a third extension part positioned below the second extension part, and the gas-liquid mixing valve further comprises a first fixing mechanism for fixing the third extension part on the second extension part.
3. A gas-liquid mixing valve according to claim 1, wherein: the gas-liquid mixing valve further comprises a second fixing mechanism used for fixing the cover plate at the top end of the valve seat body.
4. A gas-liquid mixing valve according to claim 1, wherein: the second cavity is cylindrical, the second cavity, the valve core, the liquid outlet and the discharging pipe are all coaxially extended, and the axial lines of the second cavity and the valve core are distributed along the vertical direction.
5. A gas-liquid mixing valve according to claim 1, wherein: the gas-liquid mixing valve further includes a first seal disposed between the first end portion and an inner peripheral portion of the first extension portion.
6. A gas-liquid mixing valve according to claim 1, wherein: the gas-liquid mixing valve further comprises a second sealing piece arranged between the valve core and the cover plate.
7. A gas-liquid mixing valve according to claim 1, wherein: the gas-liquid mixing valve further comprises a third sealing piece arranged between the upper surface of the valve seat body and the lower surface of the cover plate.
8. A gas-liquid mixing valve according to claim 1, wherein: the gas-liquid mixing valve further comprises a fourth sealing piece arranged between the lower surface of the valve seat body and the upper surface of the first valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530694.8A CN108533789B (en) | 2018-05-29 | 2018-05-29 | Gas-liquid mixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530694.8A CN108533789B (en) | 2018-05-29 | 2018-05-29 | Gas-liquid mixing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533789A CN108533789A (en) | 2018-09-14 |
| CN108533789B true CN108533789B (en) | 2023-11-24 |
Family
ID=63472825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810530694.8A Active CN108533789B (en) | 2018-05-29 | 2018-05-29 | Gas-liquid mixing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533789B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312462A (en) * | 1969-08-16 | 1973-04-04 | Bosch Gmbh Robert | Fluid flow regulators |
| CN2103706U (en) * | 1991-07-06 | 1992-05-06 | 谢仰之 | Mixing valve |
| JP2000320699A (en) * | 1999-05-13 | 2000-11-24 | Tgk Co Ltd | Mixing valve |
| CN101109459A (en) * | 2007-08-22 | 2008-01-23 | 林必贵 | Bidirectional controlled water nozzle valve |
| CN101776166A (en) * | 2008-12-30 | 2010-07-14 | 通用电气公司 | Methods, apparatus and/or systems relating to controlling flow through concentric passages |
| CN102204796A (en) * | 2011-05-18 | 2011-10-05 | 梅元红 | Foam pump with external spring |
| CN202812304U (en) * | 2012-10-23 | 2013-03-20 | 曼瑞德自控系统（乐清）有限公司 | Water mixing valve |
| EP2821679A1 (en) * | 2013-07-05 | 2015-01-07 | Esbe AB | Temperature adjustment valve |
| JP2015143129A (en) * | 2014-01-31 | 2015-08-06 | 株式会社吉野工業所 | former dispenser |
| CN204647417U (en) * | 2015-03-11 | 2015-09-16 | 北京双良石油技术有限公司 | A kind of self-powering type gas-liquid two-phase fluid level control valve |
| CN208204086U (en) * | 2018-05-29 | 2018-12-07 | 江苏新美星包装机械股份有限公司 | A kind of Gas-liquid mixing valve |
-
2018
- 2018-05-29 CN CN201810530694.8A patent/CN108533789B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312462A (en) * | 1969-08-16 | 1973-04-04 | Bosch Gmbh Robert | Fluid flow regulators |
| CN2103706U (en) * | 1991-07-06 | 1992-05-06 | 谢仰之 | Mixing valve |
| JP2000320699A (en) * | 1999-05-13 | 2000-11-24 | Tgk Co Ltd | Mixing valve |
| CN101109459A (en) * | 2007-08-22 | 2008-01-23 | 林必贵 | Bidirectional controlled water nozzle valve |
| CN101776166A (en) * | 2008-12-30 | 2010-07-14 | 通用电气公司 | Methods, apparatus and/or systems relating to controlling flow through concentric passages |
| CN102204796A (en) * | 2011-05-18 | 2011-10-05 | 梅元红 | Foam pump with external spring |
| CN202812304U (en) * | 2012-10-23 | 2013-03-20 | 曼瑞德自控系统（乐清）有限公司 | Water mixing valve |
| EP2821679A1 (en) * | 2013-07-05 | 2015-01-07 | Esbe AB | Temperature adjustment valve |
| JP2015143129A (en) * | 2014-01-31 | 2015-08-06 | 株式会社吉野工業所 | former dispenser |
| CN204647417U (en) * | 2015-03-11 | 2015-09-16 | 北京双良石油技术有限公司 | A kind of self-powering type gas-liquid two-phase fluid level control valve |
| CN208204086U (en) * | 2018-05-29 | 2018-12-07 | 江苏新美星包装机械股份有限公司 | A kind of Gas-liquid mixing valve |
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| Publication number | Publication date |
|---|---|
| CN108533789A (en) | 2018-09-14 |
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