CN111389303A - Static gas proportional mixing proportioning device - Google Patents
Static gas proportional mixing proportioning device Download PDFInfo
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- CN111389303A CN111389303A CN202010324273.7A CN202010324273A CN111389303A CN 111389303 A CN111389303 A CN 111389303A CN 202010324273 A CN202010324273 A CN 202010324273A CN 111389303 A CN111389303 A CN 111389303A
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- electromagnetic switch
- air
- gas
- air outlet
- air inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/833—Flow control by valves, e.g. opening intermittently
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
- B01F23/19—Mixing systems, i.e. flow charts or diagrams; Arrangements, e.g. comprising controlling means
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- Chemical Kinetics & Catalysis (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a static gas proportional mixing proportioning device, wherein the number of gas cylinders is more than two, pistons are arranged in the gas cylinders, two ends of each piston are respectively provided with a guide post, the end parts of the guide posts extend out of the gas cylinders all the time, and one end of each guide post is connected to a working rod of a driving oil cylinder; the two ends of the air storage cylinder are respectively connected with an upper air inlet electromagnetic switch and a lower air inlet electromagnetic switch, the upper air inlet electromagnetic switch and the lower air inlet electromagnetic switch are respectively connected to the air inlet, the two ends of the air storage cylinder are respectively connected with an upper air outlet electromagnetic switch and a lower air outlet electromagnetic switch, the upper air outlet electromagnetic switch and the lower air outlet electromagnetic switch are respectively connected to the air outlet, and the air outlets are communicated and then connected to the mixed air outlet; the two ends of the air cylinder are respectively provided with an upper air pressure sensor and a lower air pressure sensor, and the controller is connected with the liquid crystal display. The invention has the advantages of convenient adjustment, continuous gas supply, high proportioning precision, difficult fluctuation and good proportioning stability.
Description
Technical Field
The invention relates to the field of gas proportioning equipment, in particular to a static gas proportioning and mixing device which is convenient to adjust, continuously supplies gas, has high proportioning precision, is not easy to fluctuate and has good proportioning stability.
Background
The gas proportioning tank is also called a gas proportioner, a gas mixing tank and a mixed gas proportioning tank, is a large-flow binary gas mixing device specially designed for gas shielded welding, is mainly used for matching and using a centralized gas supply bus bar, can proportion two gases which need to be used according to using requirements, and obtains uniform mixed gas. The series of gas proportioning tanks have the characteristics of mixing precision reaching +/-1.5%, stable output and the like. The gas shielded welding device can be widely applied to various gas shielded welding occasions such as railways, ships, chemical engineering, mechanical manufacturing and the like.
The commonly used gas proportioning gas and proportion: 0-50% of carbon dioxide and the balance of argon; 0-50% argon and the balance helium; 0-50% of carbon dioxide and the balance of nitrogen; 0-50% argon and the balance helium; 0-2% of oxygen and the balance of argon; 0-10% of hydrogen and the balance of argon; 0-20% of oxygen and the balance of argon; 0-5% of oxygen, 0-15% of carbon dioxide and the balance of argon; 0.5% oxygen, 26.5% helium, 8% carbon dioxide, and the balance argon;
at present, the gas proportioning and mixing device mainly has two modes of mechanical mixing and electric control mixing. The mechanical mixing type realizes pressure consistency through a pressure reducing valve or a balancing device by manually adjusting the mixture ratio, but does not have temperature compensation. The electronic control hybrid type temperature and pressure compensation can be realized, the precision is high, the price is high, a power supply is needed, and meanwhile, the environmental requirement is high. The two existing gas proportioning and mixing devices are used for adjusting the gas proportion in an online dynamic adjustment mode, are high in adjustment difficulty, difficult to control precision and easy to fluctuate, and are not suitable for occasions with high precision requirements.
There is a need for a static gas proportional mixing and proportioning device which is convenient to adjust, continuously supplies gas, has high proportioning precision, is not easy to fluctuate and has good proportioning stability.
Disclosure of Invention
The invention aims to provide a static gas proportion mixing and proportioning device which is convenient to adjust, continuous in gas supply, high in proportioning precision, not easy to fluctuate and good in proportioning stability.
A static gas proportional mixing proportioning device, includes:
the air cylinders are more than two, pistons are arranged in the air cylinders, the volumes of the air cylinders are equal or unequal, guide columns are arranged at two ends of each piston, the end parts of the guide columns extend out of the air cylinders all the time, and one ends of the guide columns are connected to a working rod of the driving oil cylinder;
the two ends of the air storage cylinder are respectively connected with an upper air inlet electromagnetic switch and a lower air inlet electromagnetic switch, the upper air inlet electromagnetic switch and the lower air inlet electromagnetic switch are respectively connected to an air inlet, the two ends of the air storage cylinder are respectively connected with an upper air outlet electromagnetic switch and a lower air outlet electromagnetic switch, the upper air outlet electromagnetic switch and the lower air outlet electromagnetic switch are respectively connected to an air outlet, and the air outlets are communicated and then connected to a mixed air outlet;
the air storage cylinder is characterized in that an upper air pressure sensor and a lower air pressure sensor are respectively arranged at two ends of the air storage cylinder, the driving oil cylinder, the upper air inlet electromagnetic switch, the lower air inlet electromagnetic switch, the upper air outlet electromagnetic switch and the lower air outlet electromagnetic switch are respectively connected with a controller, and the controller is connected with the liquid crystal display.
The axial length of the piston and the guide column in the air storage cylinder is larger than the height of the air storage cylinder.
The inside of the air storage cylinder is one of a cylinder, a cuboid and a cube.
The volumes of the air cylinders are equal or unequal.
And joints are arranged at the air inlet and the mixed air outlet.
When the piston is attached to the inner wall of the bottom of the air storage cylinder, the upper air inlet electromagnetic switch is closed, the lower air inlet electromagnetic switch is opened, the upper air outlet electromagnetic switch is opened, the lower air outlet electromagnetic switch is closed, and the oil cylinder is driven to drive the piston to move upwards; when the piston is attached to the inner wall of the upper part of the air storage cylinder, the upper air inlet electromagnetic switch is turned on, the lower air inlet electromagnetic switch is turned off, the upper air outlet electromagnetic switch is turned off, the lower air outlet electromagnetic switch is turned on, and the driving oil cylinder drives the piston to move downwards.
The guide posts at the two ends of the piston are the same in shape.
The strokes of different pistons between the air cylinders are the same.
The number of the air cylinders is more than two, the pistons are arranged in the air cylinders, two ends of each piston are respectively provided with a guide post, the end parts of the guide posts extend out of the air cylinders all the time, and one end of each guide post is connected to a working rod of a driving oil cylinder; the two ends of the air storage cylinder are respectively connected with an upper air inlet electromagnetic switch and a lower air inlet electromagnetic switch, the upper air inlet electromagnetic switch and the lower air inlet electromagnetic switch are respectively connected to the air inlet, the two ends of the air storage cylinder are respectively connected with an upper air outlet electromagnetic switch and a lower air outlet electromagnetic switch, the upper air outlet electromagnetic switch and the lower air outlet electromagnetic switch are respectively connected to the air outlet, and the air outlets are communicated and then connected to the mixed air outlet; an upper air pressure sensor and a lower air pressure sensor, a driving oil cylinder, an upper air inlet electromagnetic switch, a lower air inlet electromagnetic switch, an upper air outlet electromagnetic switch, a lower air outlet electromagnetic switch, an upper air pressure sensor and a lower air pressure sensor are arranged at two ends of the air storage cylinder respectively and are connected with a controller, and the controller is connected with the liquid crystal display.
When the piston is positioned on the inner wall of the bottom of the air storage cylinder 1, the air inlet is always in a conducting state, the controller controls the upper air inlet electromagnetic switch to be turned off, the lower air inlet electromagnetic switch to be turned on, the upper air outlet electromagnetic switch to be turned on and the lower air outlet electromagnetic switch to be turned off, the driving oil cylinder drives the piston to move upwards, and the guide column plays a role in guiding. The gas enters the lower part of the gas storage cylinder through the lower gas inlet electromagnetic switch for storage, the lower gas outlet electromagnetic switch is turned off and is not turned on, the gas on the upper part of the gas storage cylinder enters the gas outlet through the upper gas outlet electromagnetic switch which is turned on, different gas storage cylinders are mixed and proportioned at the gas outlet, the gas is delivered to the mixed gas outlet after the mixing is finished, and the upper gas inlet electromagnetic switch is turned off and is not turned on. The liquid crystal display is connected with the controller, displays the control state of the controller, and/or serves as an interactive device. The controller monitors the air pressure of the upper part and the lower part of the air storage cylinder through the upper air pressure sensor and the lower air pressure sensor, and judges the position of the piston. The invention has the advantages of convenient adjustment, continuous gas supply, high proportioning precision, difficult fluctuation and good proportioning stability.
Drawings
FIG. 1 is a schematic structural diagram of a binary mixing and proportioning device according to the present invention;
FIG. 2 is a control connection diagram of the present invention;
FIG. 3 is a schematic structural diagram of a ternary mixing and proportioning device of the present invention;
in the figure: 1. the air cylinder, 2, a piston, 3, a guide column, 4, a driving oil cylinder, 5, an air inlet, 6, an upper air inlet electromagnetic switch, 7, a lower air inlet electromagnetic switch, 8, an upper air outlet electromagnetic switch, 9, a lower air outlet electromagnetic switch, 10, an upper air pressure sensor, 11, a lower air pressure sensor, 12, an air outlet, 13, a mixed air outlet, 14, a controller, 15 and a liquid crystal display.
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
A static gas proportional mixing proportioning device, includes: the air cylinder 1, the number of the air cylinder 1 is more than two, the piston 2 is arranged in the air cylinder 1, the volumes of the air cylinders 1 are equal or unequal, the two ends of the piston 2 are respectively provided with a guide post 3, the end part of the guide post 3 always extends out of the air cylinder 1, and one end of the guide post 3 is connected to a working rod of the driving oil cylinder 4; the two ends of the air storage cylinder 1 are respectively connected with an upper air inlet electromagnetic switch 6 and a lower air inlet electromagnetic switch 7, the upper air inlet electromagnetic switch 6 and the lower air inlet electromagnetic switch 7 are respectively connected to the air inlet 5, the two ends of the air storage cylinder 1 are respectively connected with an upper air outlet electromagnetic switch 8 and a lower air outlet electromagnetic switch 9, the upper air outlet electromagnetic switch 8 and the lower air outlet electromagnetic switch 9 are respectively connected to the air outlet 12, and the air outlets 12 are communicated and then connected to a mixed air outlet 13; an upper air pressure sensor 10 and a lower air pressure sensor 11 are respectively arranged at two ends of the air storage cylinder 1, the driving oil cylinder 4, the upper air inlet electromagnetic switch 6, the lower air inlet electromagnetic switch 7, the upper air outlet electromagnetic switch 8, the lower air outlet electromagnetic switch 9, the upper air pressure sensor 10 and the lower air pressure sensor 11 are respectively connected with a controller 14, and the controller 14 is connected with a liquid crystal display 15.
The axial length of the piston 2 and the guide column 3 in the air cylinder 1 is larger than the height of the air cylinder 1. The air storage cylinder 1 is one of a cylinder, a cuboid and a cube. The volumes of the air cylinders 1 are equal or unequal. Joints are arranged at the air inlet 5 and the mixed air outlet 13. When the piston 2 is attached to the inner wall of the bottom of the air storage cylinder 1, the upper air inlet electromagnetic switch 6 is closed, the lower air inlet electromagnetic switch 7 is opened, the upper air outlet electromagnetic switch 8 is opened, the lower air outlet electromagnetic switch 9 is closed, and the oil cylinder 4 is driven to drive the piston 2 to move upwards; when the piston 2 is attached to the inner wall of the upper part of the air storage cylinder 1, the upper air inlet electromagnetic switch 6 is turned on, the lower air inlet electromagnetic switch 7 is turned off, the upper air outlet electromagnetic switch 8 is turned off, the lower air outlet electromagnetic switch 9 is turned on, and the driving oil cylinder 4 drives the piston 2 to move downwards. The guide posts 3 at both ends of the piston 2 are identical in shape. The strokes of the different pistons 2 are the same between the air cylinders 1.
The piston 2 in the air cylinder 1 is driven by the driving oil cylinder 4 to do linear reciprocating motion, and respectively touches the inner walls at two ends of the air cylinder 1 and then returns. The guide post 3 plays the guide effect, and both ends set up guide post 3 respectively for behind the piston 2 motion tip, the gas receiver 1, the volume of piston 2 and guide post 3 can be measured, and when the 3 shapes of guide post at both ends are equal, behind the piston 2 motion 1 tip of gas receiver, the gas storage volume of the upper and lower vacation of gas receiver 1 equals.
When the device works, the air inlet 5 is connected with a Dewar flask for storing air, and a pressure reducing valve is generally arranged between the air inlet 5 and the Dewar flask, so that the air pressure of the air inlet is consistent when binary or ternary mixing is carried out. In the initial position, the piston 2 is located on the inner wall of the upper end or the inner wall of the lower end of the air cylinder 1.
During the operating condition, when the piston 2 is located the upper end inner wall of gas receiver 1, air inlet 5 is in the on-state all the time, and controller 14 control upper air inlet electromagnetic switch 6 opens, and lower air inlet electromagnetic switch 7 closes, and upper air outlet electromagnetic switch 8 closes, and lower air outlet electromagnetic switch 9 opens, and drive cylinder 4 drives piston 2 downstream. The guide posts 3 serve as guides. The gas enters the upper part of the gas storage cylinder 1 through the upper gas inlet electromagnetic switch 6 to be stored, the upper gas outlet electromagnetic switch 8 is closed and is not conducted, the lower gas outlet electromagnetic switch 9 at the lower part of the gas storage cylinder 1 is communicated and enters the gas outlet 12, different gas storage cylinders 1 are mixed and proportioned at the gas outlet 12, the gas is delivered to the gas outlet 13 after mixing after completion, and the lower gas inlet electromagnetic switch 7 is closed and is not conducted.
When the piston 2 is positioned on the inner wall of the bottom of the air storage cylinder 1, the air inlet 5 is always in a conducting state, the controller 14 controls the upper air inlet electromagnetic switch 6 to be closed, the lower air inlet electromagnetic switch 7 to be opened, the upper air outlet electromagnetic switch 8 to be opened, the lower air outlet electromagnetic switch 9 to be closed, the driving oil cylinder 4 drives the piston 2 to move upwards, and the guide column 3 plays a role in guiding. The gas enters the lower part of the gas storage cylinder 1 through the lower gas inlet electromagnetic switch 7 to be stored, the lower gas outlet electromagnetic switch 9 is turned off and is not conducted, the gas on the upper part of the gas storage cylinder 1 enters the gas outlet 12 through the upper gas outlet electromagnetic switch 8 which is turned on, different gas storage cylinders 1 are mixed and proportioned at the gas outlet 12, the gas is fed to the gas outlet 13 after mixing after completion, and the upper gas inlet electromagnetic switch 6 is turned off and is not conducted.
The liquid crystal display 15 is connected to the controller 14, displays the control state of the controller 14, and/or serves as an interactive device. The controller 14 monitors the air pressures of the upper and lower portions of the air cylinder 1 through the upper and lower air pressure sensors 10 and 11 to determine the position of the piston 2.
The upper part and the lower part of the air cylinder 1 are partially used for storing air and partially used for exhausting air, so that the equipment is in a continuous working state. According to different needs, different air cylinders 1 are provided with different volumes, the air storage volumes of the upper part and the lower part of the air cylinder 1 are equal, and when the strokes are the same, the volumes are unchanged, and the pressure reaches the pressure of an air inlet, so that high-precision mixing of different gases, binary gases or ternary gases is realized.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a static gas proportional mixing proportioning device which characterized in that includes:
the air cylinder comprises air cylinders (1), wherein the number of the air cylinders (1) is more than two, pistons (2) are arranged in the air cylinders, the volumes of the air cylinders (1) are equal or unequal, guide columns (3) are arranged at two ends of each piston (2), the end parts of the guide columns (3) extend out of the air cylinders (1) all the time, and one ends of the guide columns (3) are connected to a working rod of a driving oil cylinder (4);
the two ends of the air storage cylinder (1) are respectively connected with an upper air inlet electromagnetic switch (6) and a lower air inlet electromagnetic switch (7), the upper air inlet electromagnetic switch (6) and the lower air inlet electromagnetic switch (7) are respectively connected to the air inlet (5), the two ends of the air storage cylinder (1) are respectively connected with an upper air outlet electromagnetic switch (8) and a lower air outlet electromagnetic switch (9), the upper air outlet electromagnetic switch (8) and the lower air outlet electromagnetic switch (9) are respectively connected to the air outlet (12), and the air outlets (12) are communicated and then connected to the mixed air outlet (13);
the air cylinder is characterized in that an upper air pressure sensor (10) and a lower air pressure sensor (11) are respectively arranged at two ends of the air cylinder (1), the driving oil cylinder (4), an upper air inlet electromagnetic switch (6), a lower air inlet electromagnetic switch (7), an upper air outlet electromagnetic switch (8), a lower air outlet electromagnetic switch (9), the upper air pressure sensor (10) and the lower air pressure sensor (11) are respectively connected with a controller (14), and the controller (14) is connected with a liquid crystal display (15).
2. A static gas proportioning device according to claim 1 wherein the axial length of the piston (2) and guide post (3) in the air reservoir (1) is greater than the height of the air reservoir (1).
3. A static gas proportioning device according to claim 1 wherein the gas cylinder (1) is one of cylindrical, rectangular and cubic.
4. A static gas proportioning device according to claim 1, wherein the volumes of the gas cylinders (1) are equal or unequal.
5. A static gas proportioning device according to claim 1 wherein the gas inlet (5) and the post-mix outlet (13) are provided with fittings.
6. The static gas proportional mixing and proportioning device according to claim 1, wherein when the piston (2) is attached to the inner wall of the bottom of the gas storage cylinder (1), the upper gas inlet electromagnetic switch (6) is closed, the lower gas inlet electromagnetic switch (7) is opened, the upper gas outlet electromagnetic switch (8) is opened, the lower gas outlet electromagnetic switch (9) is closed, and the driving oil cylinder (4) drives the piston (2) to move upwards; when the piston (2) is attached to the inner wall of the upper part of the air storage cylinder (1), the upper air inlet electromagnetic switch (6) is opened, the lower air inlet electromagnetic switch (7) is closed, the upper air outlet electromagnetic switch (8) is closed, the lower air outlet electromagnetic switch (9) is opened, and the driving oil cylinder (4) drives the piston (2) to move downwards.
7. A static gas proportioning device according to claim 1 wherein the guide posts (3) at both ends of the piston (2) are of the same shape.
8. A static gas proportioning device according to claim 1 wherein the strokes of the different pistons (2) between the gas cylinders (1) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324273.7A CN111389303A (en) | 2020-04-22 | 2020-04-22 | Static gas proportional mixing proportioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324273.7A CN111389303A (en) | 2020-04-22 | 2020-04-22 | Static gas proportional mixing proportioning device |
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| CN111389303A true CN111389303A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010324273.7A Withdrawn CN111389303A (en) | 2020-04-22 | 2020-04-22 | Static gas proportional mixing proportioning device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765356A (en) * | 1987-08-10 | 1988-08-23 | Hallberg John E | Method and apparatus for mixing fluids |
| CN1076382A (en) * | 1992-03-14 | 1993-09-22 | 江苏工学院 | mixed gas configuration method and device |
| CN102114395A (en) * | 2009-12-30 | 2011-07-06 | 林建州 | Gas proportioner |
| CN208356548U (en) * | 2018-05-07 | 2019-01-11 | 沈阳环境科学研究院 | A kind of gas mixing dilution device |
| CN209265285U (en) * | 2018-10-09 | 2019-08-16 | 宁波舜宇车载光学技术有限公司 | For keeping constant the pressure device for suppressing power |
| CN209501385U (en) * | 2018-12-30 | 2019-10-18 | 昆山尤特威热处理有限公司 | A kind of gas mixer of ammonia and oxygen |
-
2020
- 2020-04-22 CN CN202010324273.7A patent/CN111389303A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765356A (en) * | 1987-08-10 | 1988-08-23 | Hallberg John E | Method and apparatus for mixing fluids |
| CN1076382A (en) * | 1992-03-14 | 1993-09-22 | 江苏工学院 | mixed gas configuration method and device |
| CN102114395A (en) * | 2009-12-30 | 2011-07-06 | 林建州 | Gas proportioner |
| CN208356548U (en) * | 2018-05-07 | 2019-01-11 | 沈阳环境科学研究院 | A kind of gas mixing dilution device |
| CN209265285U (en) * | 2018-10-09 | 2019-08-16 | 宁波舜宇车载光学技术有限公司 | For keeping constant the pressure device for suppressing power |
| CN209501385U (en) * | 2018-12-30 | 2019-10-18 | 昆山尤特威热处理有限公司 | A kind of gas mixer of ammonia and oxygen |
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Application publication date: 20200710 |