CN111298669A - Automatic adjustment type closed-loop gas proportioning cabinet - Google Patents
Automatic adjustment type closed-loop gas proportioning cabinet Download PDFInfo
- Publication number
- CN111298669A CN111298669A CN202010324277.5A CN202010324277A CN111298669A CN 111298669 A CN111298669 A CN 111298669A CN 202010324277 A CN202010324277 A CN 202010324277A CN 111298669 A CN111298669 A CN 111298669A
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure sensor
- gas
- inlet
- content analyzer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/883—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using flow rate controls for feeding the substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/131—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components
- G05D11/132—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring the values related to the quantity of the individual components by controlling the flow of the individual components
-
- 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
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fluid Mechanics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to an automatic adjusting type closed loop gas proportioning bin, wherein a first inlet is connected to a balance valve through a first filter; the second inlet is connected to the balancing valve through a second filter; one path of the balance valve is sequentially connected with a first pressure sensor, a first flowmeter, a first flow regulating valve and a mixing valve, the other path of the balance valve is sequentially connected with a second pressure sensor, a second flowmeter, a second flow regulating valve and a mixing valve, an outlet of the mixing valve is sequentially connected with an electromagnetic switch valve, a third pressure sensor and a gas outlet, and a gas content analyzer is arranged between the third pressure sensor and the gas outlet; the first pressure sensor, the second pressure sensor and the third pressure sensor are respectively connected with the controller, and the controller is respectively connected with the touch screen, the gas content analyzer, the first flowmeter and the second flowmeter. The invention can be adjusted according to the inlet and outlet pressure, has wide application range, is suitable for various complex working conditions, and has good adjusting real-time property and accuracy.
Description
Technical Field
The invention relates to the technical field of welding mixed gas equipment, in particular to an automatic adjusting type closed-loop gas proportioning cabinet which can be adjusted according to inlet and outlet pressures, is wide in application range, suitable for various complex working conditions, good in adjusting real-time performance and good in accuracy.
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 flowmeter is known by its english name flowmeter, which is defined by the national committee for the examination and determination of scientific and technical terms as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval. Simply a meter for measuring the flow of fluid in a pipe or open channel. The flow meters are classified into differential pressure type flow meters, rotor flow meters, throttle type flow meters, slit flow meters, volumetric flow meters, electromagnetic flow meters, ultrasonic flow meters, and the like. Classifying according to media: liquid flow meters and gas flow meters. Metering is on the eye of industrial production. The flow measurement is one of the components of the measurement science and technology, and has close relation with national economy, national defense construction and scientific research. The work is well done, the flowmeter has important effects on ensuring the product quality, improving the production efficiency and promoting the development of scientific technology, and particularly has more obvious status and effect in national economy in the current times that the energy crisis and the industrial production automation degree are higher and higher. The unit m3/h is commonly used in engineering and can be divided into instantaneous Flow (Flow Rate), namely the amount passing through the effective section of a closed pipeline or an open channel in unit time, and Total Flow (Total Flow), wherein the flowing substances can be gas, liquid and solid; the cumulative flow rate is the cumulative amount of fluid flowing through the effective cross section of the closed conduit or channel over a certain time interval (one day, one week, one month, one year). The accumulated flow rate can also be obtained by integrating the instantaneous flow rate with time, so that the instantaneous flow rate meter and the accumulated flow rate meter can be mutually converted.
Application number 201310212481.8, grant notice No. CN103349926B, disclose full-automatic proportioning bin, this full-automatic proportioning bin, including the gas mixing valve, its special character lies in: the gas mixing valve is connected with an automatic proportioning valve, the automatic proportioning valve is connected with a multi-stage balancing device for balancing the pressure of input gas, the multi-stage balancing device is connected with a gas inlet pipe of the input gas, and the gas mixing valve is connected with a gas outlet joint.
The proportioning valve is connected with a multi-stage balancing device for balancing the pressure of input gas, the multi-stage balancing device is connected with a gas inlet pipe of the input gas, a gas mixing valve is connected with a gas outlet joint, the automatic proportioning valve is connected with a servo motor through a linkage connector, the servo motor is connected with a servo motor driver, the servo motor driver is connected with a PLC (programmable logic controller), the PLC is connected with a touch display screen, the multi-stage balancing device is a two-stage balancing device, the automatic proportioning valve comprises a proportioning valve main body A and a proportioning valve main body B, the proportioning valve main body A is arranged in front of the proportioning valve main body B, one end of a movable valve core is fixed on the linkage connector, the other end of the movable valve core penetrates through the proportioning valve main body A and is arranged inside the proportioning valve main body B, the corner of the inner space of the proportioning valve main body A is a right angle, the front part of the movable valve core is narrow, this ratio valve main part A passes through gaseous A pipeline and two-stage balancing unit's A gas outlet connection, and this ratio valve main part B passes through gaseous B pipeline and two-stage balancing unit's B gas outlet connection, and ratio valve main part A all is connected with gas mixture pipeline through the ratio valve connector with ratio valve main part B, and this gas mixture pipeline connects the gas mixing valve, sets up the shunt tubes in the gas mixing valve, and this shunt tubes is connected with gas mixture pipeline, the connector of giving vent to anger respectively.
In the prior art, the automatic adjustment of the proportioning bin realizes the automatic control function by controlling the automatic adjustment of the automatic proportioning valve, and the method has the advantages of lag in adjustment due to the pressure change of two paths of gas at the inlet and the reaction of the pressure at the outlet, narrow application range, poor adjustment instantaneity and inapplicability to various working conditions. There is a need for an automatically adjustable closed-loop gas proportioning bin that can be adjusted according to inlet and outlet pressures, has a wide application range, is suitable for various complex working conditions, and has good adjustment real-time performance and accuracy.
Disclosure of Invention
The invention aims to provide an automatic adjusting type closed-loop gas proportioning bin which can be adjusted according to inlet and outlet pressures, is wide in application range, suitable for various complex working conditions, good in adjusting real-time performance and good in accuracy.
An automatically adjusting closed-loop gas proportioning bin, comprising:
a first inlet connected to a balancing valve through a first filter;
a second inlet connected to the balancing valve through a second filter; one path of the balance valve is sequentially connected with a first pressure sensor, a first flowmeter, a first flow regulating valve and a mixing valve, the other path of the balance valve is sequentially connected with a second pressure sensor, a second flowmeter, a second flow regulating valve and a mixing valve, an outlet of the mixing valve is sequentially connected with an electromagnetic switch valve, a third pressure sensor and a gas outlet, and a gas content analyzer is arranged between the third pressure sensor and the gas outlet;
the first pressure sensor, the second pressure sensor and the third pressure sensor are respectively connected with a controller, the controller is respectively connected with the touch screen, the gas content analyzer, the first flowmeter and the second flowmeter, the controller is sequentially connected with the first servo driver, the first servo motor and the first flow regulating valve, and the controller is sequentially connected with the second servo driver, the second servo motor and the second flow regulating valve;
first flow control valve or second flow control valve set up throttle valve body, throttle valve body both ends set up air inlet and gas outlet respectively, and inboard upper portion sets up the seal platform, the seal platform top sets up sealed the pad, the laminating of seal platform and sealed pad middle part sets up the throttle post, the top of throttle post sets up rack of rack and pinion, the side of rack sets up rack and pinion, rack and pinion's first servo driver of gear connection or second servo driver.
And a one-way valve is arranged between the balance valve and the first filter, and a one-way valve is arranged between the balance valve and the second filter.
And the induction heads of the first pressure sensor, the second pressure sensor and the third pressure sensor respectively extend into the pipeline.
And an inverted cone is arranged below the throttling column.
The middle parts of the sealing table and the sealing gasket are respectively provided with concentric holes with the same size.
The sealing gasket is an annular ring.
The throttling column is a cylinder.
The lower plane of the sealing platform is coplanar with the upper planes of the air inlet and the air outlet respectively.
The lower planes of the air inlet and the air outlet are coplanar.
The gas content analyzer is one of a carbon dioxide content analyzer, an argon content analyzer, a nitrogen content analyzer and an oxygen content analyzer.
The first inlet of the invention is connected to the balance valve through the first filter; the second inlet is connected to the balancing valve through a second filter; one path of the balance valve is sequentially connected with a first pressure sensor, a first flowmeter, a first flow regulating valve and a mixing valve, the other path of the balance valve is sequentially connected with a second pressure sensor, a second flowmeter, a second flow regulating valve and a mixing valve, an outlet of the mixing valve is sequentially connected with an electromagnetic switch valve, a third pressure sensor and a gas outlet, and a gas content analyzer is arranged between the third pressure sensor and the gas outlet; the first pressure sensor, the second pressure sensor and the third pressure sensor are respectively connected with the controller, the controller is respectively connected with the touch screen, the gas content analyzer, the first flowmeter and the second flowmeter, the controller is sequentially connected with the first servo driver, the first servo motor and the first flow regulating valve, and the controller is sequentially connected with the second servo driver, the second servo motor and the second flow regulating valve; the first flow regulating valve or the second flow regulating valve is provided with a throttle valve body, the two ends of the throttle valve body are respectively provided with an air inlet and an air outlet, the upper part of the inner side of the throttle valve body is provided with a sealing platform, a sealing gasket is arranged above the sealing platform, a throttling column is attached to the middle parts of the sealing platform and the sealing gasket, a rack of a gear rack is arranged above the throttling column, a gear of the gear rack is arranged on the side surface of the rack, and the gear of the gear rack is connected with a first servo driver or a second. The invention can be adjusted according to the inlet and outlet pressure, has wide application range, is suitable for various complex working conditions, and has good adjusting real-time property and accuracy.
Drawings
FIG. 1 is a schematic view of the piping connection of the present invention;
FIG. 2 is a schematic diagram of the control connection of the present invention;
FIG. 3 is a schematic structural view of the first flow control valve or the second flow control valve of the present invention;
FIG. 4 is a block diagram of a prior art pipeline of the present invention;
FIG. 5 is a cross-sectional view of a prior art balancing valve of the present invention;
FIG. 6 is a cross-sectional view of a prior art compounding valve of the present invention;
in the figure: 1. the gas content analyzer comprises a first inlet, a second inlet, a first filter, a second filter, a first inlet, a second filter, a second inlet, a second filter, a balance valve, a first pressure sensor, a second pressure sensor, a first flowmeter, a second flowmeter, a first flowmeter regulating valve, a second flowmeter regulating valve, a balance valve, a second flowmeter regulating valve, a mixing valve, a second flowmeter, a solenoid switch valve, a third pressure sensor, a gas outlet, a touch screen, a gas content analyzer, a first servo driver, a second servo driver, a first servo motor, a second servo motor, a throttle valve body, a gas inlet, a gas outlet, a gas content analyzer, a gas.
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
An automatically adjusting closed-loop gas proportioning bin, comprising: a first inlet 1, the first inlet 1 being connected to a balancing valve 5 through a first filter 3; a second inlet 2, the second inlet 2 being connected to a balancing valve 5 through a second filter 4; one path of the balance valve 5 is sequentially connected with a first pressure sensor 6, a first flow meter 8, a first flow regulating valve 10 and a mixing valve 12, the other path is sequentially connected with a second pressure sensor 7, a second flow meter 9, a second flow regulating valve 11 and a mixing valve 12, an outlet of the mixing valve 12 is sequentially connected with an electromagnetic switch valve 13, a third pressure sensor 14 and a gas outlet 15, and a gas content analyzer 18 is arranged between the third pressure sensor 14 and the gas outlet 15; the first pressure sensor 6, the second pressure sensor 7 and the third pressure sensor 14 are respectively connected with a controller 16, the controller 16 is respectively connected with a touch screen 17, a gas content analyzer 18, a first flow meter 8 and a second flow meter 9, the controller 16 is sequentially connected with a first servo driver 19, a first servo motor 21 and a first flow regulating valve 10, and the controller 16 is sequentially connected with a second servo driver 20, a second servo motor 22 and a second flow regulating valve 11; the first flow regulating valve 10 or the second flow regulating valve 11 is provided with a throttle valve body 23, two ends of the throttle valve body 23 are respectively provided with an air inlet 24 and an air outlet 25, the upper part of the inner side of the throttle valve body is provided with a sealing platform 26, a sealing gasket 27 is arranged above the sealing platform 26, a throttle column 28 is arranged at the middle parts of the sealing platform 26 and the sealing gasket 27 in an attaching mode, a rack of a gear rack 29 is arranged above the throttle column 28, a gear of the gear rack 29 is arranged on the side surface of the rack, and the gear of the gear rack 29 is connected with the first servo driver.
A one-way valve is arranged between the balance valve 5 and the first filter 3, and a one-way valve is arranged between the balance valve 5 and the second filter 4. The inductive heads of the first pressure sensor 6, the second pressure sensor 7 and the third pressure sensor 14 respectively extend into the pipeline. The lower part of the throttling column 28 is an inverted cone. The middle parts of the sealing platform 26 and the sealing gasket 27 are respectively provided with concentric holes with the same size. The seal 27 is an annular ring. The throttle post 28 is cylindrical. The lower plane of the sealing land 26 is coplanar with the upper planes of the air inlet 24 and the air outlet 25, respectively. The lower planes of the air inlet 24 and the air outlet 25 are coplanar. The gas content analyzer 18 is one of a carbon dioxide content analyzer, an argon content analyzer, a nitrogen content analyzer, and an oxygen content analyzer.
The first pressure sensor 6, the second pressure sensor 7, and the third pressure sensor 14 are gas pressure sensors. Two sides of the balance valve 5 are respectively provided with an inlet and an outlet, and the two paths of gas respectively enter the balance valve 5 and are balanced in pressure through a balance leather pad inside the balance valve 5. The first filter 3 and the second filter 4 are gas filters. The two paths of gas after pressure balance are mixed inside the mixing valve 12 and led out through the outlet of the mixing valve 12. The first flow meter 8 and the second flow meter 9 are gas flow rate measuring devices that detect the flow rate of gas flowing therethrough. The gas content analyzer 18 is a carbon dioxide content analyzer, an argon content analyzer, a nitrogen content analyzer, or an oxygen content analyzer, and detects the content of the mixed gas by a sensor.
The first pressure sensor 6, the second pressure sensor 7, the third pressure sensor 14, the mixing valve 12, the gas content analyzer 18, the electromagnetic switch valve 13, the balance valve 5, the first filter 3, the second filter 4, the first flowmeter 8, the second flowmeter 9, the controller 16, the touch screen 17, the first servo driver 19, the first servo motor 21, the second servo driver 20 and the second servo motor 22 are fully open devices and are open products.
One path of gas passes through the first inlet 1, and enters the balance valve 5 after impurities in the gas are filtered by the first filter 3; the other path of gas enters a balance valve 5 after impurities in the gas are filtered by a second filter 4. After the pressure of two paths of gases is balanced through the leather mat by the balance valve 5, one path of gases passes through the first pressure sensor 6, the first flowmeter 8 and the first flow regulating valve 10 and enters the mixing valve 12, the other path of gases passes through the second pressure sensor 7, the second flowmeter 9 and the second flow regulating valve 11 and enters the mixing valve 12, and the two paths of gases are mixed inside the mixing valve 12 and then pass through the electromagnetic switch valve 13, the third pressure sensor 14 and the gas outlet 15 to complete proportioning. The gas content analyzer 18 analyzes the content of the mixed gas.
The first pressure sensor 6, the second pressure sensor 7 and the third pressure sensor 14 respectively monitor the pressure of the two paths of gas before mixing and send the monitored pressure signals to the controller 16, the gas content analyzer 18 sends the detected mixed gas content signals to the controller 16, and the first flow meter 8 and the second flow meter 9 send the detected flow signals of the two paths of gas before mixing to the controller 16.
The controller 16 controls the first flow regulating valve 10 and the second flow regulating valve 11 to regulate signals of the two gases according to detection signals of the first pressure sensor 6, the second pressure sensor 7, the third pressure sensor 14, the first flow meter 8, the second flow meter 9 and the gas content analyzer 18. One of the two paths of gas before adjustment enters the throttle valve body 23, the gas enters from the gas inlet 24 and exits from the gas outlet 25, and the throttle column 28 is sealed by the sealing platform 26 and the sealing gasket 27 to prevent the gas from overflowing. The rack of the gear rack 29 is arranged above the throttling column 28, the gear of the gear rack 29 is arranged on the side surface of the rack, and the gear of the gear rack 29 is connected with the first servo driver 19 or the second servo driver 20.
The controller 16 respectively controls the first servo driver 19 and the second servo driver 20, when the content of the mixed gas is smaller than or larger than a set value, the controller 16 controls the first servo driver 19 to drive the first servo motor 21 to rotate, so that the gear of the gear rack 29 is driven to drive the throttle column 28 to move up and down through the gear rack 29 structure, the length of the throttle column 28 entering the throttle valve body 23 is changed, the flow channel of the gas flow in the throttle valve body 23 is adjusted, the flow of one of the two gases is adjusted, and the ratio of the mixed gas is adjusted. When the content of the mixed gas is smaller than or larger than a set value, the controller 16 controls the second servo driver 20 to drive the second servo motor 22 to rotate, so that the gear driving the rack 29 drives the throttle column 28 to move up and down through the rack 29, the length of the throttle column 28 entering the throttle valve body 23 is changed, the flow passage of the gas flow in the throttle valve body 23 is adjusted, the flow rate of one of the two paths of gas is adjusted, and the proportion of the mixed gas is adjusted.
The controller 16 and the touch screen 17 are interactive devices, and the touch screen 17 displays detection signals of the first pressure sensor 6, the second pressure sensor 7, the third pressure sensor 14, the first flowmeter 8, the second flowmeter 9 and the gas content analyzer 18 received by the controller 16 and displays the detection signals in real time. Meanwhile, the content of the mixed gas and the flow of the two paths of gas are set through the touch screen 17.
When the pressure signal detected by one of the first pressure sensor 6 and the second pressure sensor 7 is lower than the set value, the pressure signal is sent to the controller 16, and the controller 16 controls the electromagnetic switch valve 13 to close and cut off the pipeline.
A one-way valve is arranged between the balance valve 5 and the first filter 3, and a one-way valve is arranged between the balance valve 5 and the second filter 4 to prevent the two paths of gas from flowing backwards. The inductive heads of the first pressure sensor 6, the second pressure sensor 7 and the third pressure sensor 14 respectively extend into the pipeline, so that the detection is convenient. The lower part of the throttling column 28 is an inverted cone, so that gas is effectively blocked, and the gas flow is convenient to adjust. The middle parts of the sealing platform 26 and the sealing gasket 27 are respectively provided with concentric holes with the same size, so that the throttling columns 28 can be conveniently placed. The sealing gasket 27 is an annular ring, so that the model selection is convenient. The throttle post 28 is a cylinder, which facilitates assembly. The lower plane of the sealing platform 26 is coplanar with the upper planes of the gas inlet 24 and the gas outlet 25 respectively, so that gas can flow through the sealing platform conveniently. The lower planes of the gas inlet 24 and the gas outlet 25 are coplanar, facilitating gas flow therethrough. The gas content analyzer 18 is one of a carbon dioxide content analyzer, an argon content analyzer, a nitrogen content analyzer and an oxygen content analyzer, and the gas content to be analyzed by the gas content analyzer 18 is selected according to the mixed gas requirement of the actual requirement.
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 (10)
1. The utility model provides an automatic gaseous ratio cabinet of regulation formula closed loop which characterized in that includes:
a first inlet (1), said first inlet (1) being connected to a balancing valve (5) through a first filter (3);
a second inlet (2), said second inlet (2) being connected to a balancing valve (5) through a second filter (4); one path of the balance valve (5) is sequentially connected with a first pressure sensor (6), a first flowmeter (8), a first flow regulating valve (10) and a mixing valve (12), the other path is sequentially connected with a second pressure sensor (7), a second flowmeter (9), a second flow regulating valve (11) and the mixing valve (12), an outlet of the mixing valve (12) is sequentially connected with an electromagnetic switch valve (13), a third pressure sensor (14) and a gas outlet (15), and a gas content analyzer (18) is arranged between the third pressure sensor (14) and the gas outlet (15);
the first pressure sensor (6), the second pressure sensor (7) and the third pressure sensor (14) are respectively connected with a controller (16), the controller (16) is respectively connected with a touch screen (17), a gas content analyzer (18), a first flowmeter (8) and a second flowmeter (9), the controller (16) is sequentially connected with a first servo driver (19), a first servo motor (21) and a first flow regulating valve (10), and the controller (16) is sequentially connected with a second servo driver (20), a second servo motor (22) and a second flow regulating valve (11);
first flow control valve (10) or second flow control valve (11) set up throttle body (23), throttle body (23) both ends set up air inlet (24) and gas outlet (25) respectively, and inboard upper portion sets up seal platform (26), seal platform (26) top sets up sealed pad (27), seal platform (26) and sealed pad (27) middle part laminating set up throttle post (28), the top of throttle post (28) sets up the rack of rack (29), the side of rack sets up the gear of rack (29), the gear connection first servo driver (19) or second servo driver (20) of rack (29).
2. An automatically adjusting closed loop gas proportioning bin according to claim 1 wherein a one way valve is provided between the balancing valve (5) and the first filter (3) and a one way valve is provided between the balancing valve (5) and the second filter (4).
3. An automatically adjusting closed-loop gas proportioning bin according to claim 1 wherein the sensing heads of the first pressure sensor (6), the second pressure sensor (7) and the third pressure sensor (14) each extend into the pipeline.
4. An automatically adjusting closed loop gas proportioning bin according to claim 1 wherein the throttling post (28) is inverted cone shaped below.
5. An automatic regulating closed-loop gas proportioning device according to claim 1 wherein the sealing table (26) and the sealing gasket (27) are provided with concentric holes of the same size in their middle portions.
6. An automatically adjusting closed loop gas proportioning device according to claim 1 wherein said gasket (27) is an annular ring.
7. An automatically adjusting closed loop gas proportioning bin according to claim 1 wherein the throttling post (28) is a cylinder.
8. An automatically adjusting closed-loop gas proportioning bin according to claim 1 wherein a lower plane of the sealing table (26) is coplanar with an upper plane of the gas inlet (24) and the gas outlet (25), respectively.
9. An automatically adjusting closed loop gas proportioning bin according to claim 1 wherein the lower planes of the inlet (24) and outlet (25) are coplanar.
10. The self-regulating closed-loop gas proportioning bin of claim 1, wherein the gas content analyzer (18) is one of a carbon dioxide content analyzer, an argon content analyzer, a nitrogen content analyzer, and an oxygen content analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324277.5A CN111298669A (en) | 2020-04-22 | 2020-04-22 | Automatic adjustment type closed-loop gas proportioning cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324277.5A CN111298669A (en) | 2020-04-22 | 2020-04-22 | Automatic adjustment type closed-loop gas proportioning cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111298669A true CN111298669A (en) | 2020-06-19 |
Family
ID=71154093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010324277.5A Withdrawn CN111298669A (en) | 2020-04-22 | 2020-04-22 | Automatic adjustment type closed-loop gas proportioning cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111298669A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117987795A (en) * | 2024-03-29 | 2024-05-07 | 无锡尚积半导体科技有限公司 | Linear high-precision regulation and control method for compound film sheet resistance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1317987A (en) * | 1969-07-26 | 1973-05-23 | Stamicarbon | Process for preparing synthesis gas |
| CN201575299U (en) * | 2009-12-15 | 2010-09-08 | 天津市华迈燃气技术发展有限公司 | Gasification-gas mixing device for liquefied petroleum gas |
| CN103349926A (en) * | 2013-05-31 | 2013-10-16 | 济南华信自动化工程有限公司 | Fully-automatic proportioning bin |
| CN105903365A (en) * | 2016-07-01 | 2016-08-31 | 广州新龙浩工业设备有限公司 | High-precision nitrogen helium mixing device with recycling function |
-
2020
- 2020-04-22 CN CN202010324277.5A patent/CN111298669A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1317987A (en) * | 1969-07-26 | 1973-05-23 | Stamicarbon | Process for preparing synthesis gas |
| CN201575299U (en) * | 2009-12-15 | 2010-09-08 | 天津市华迈燃气技术发展有限公司 | Gasification-gas mixing device for liquefied petroleum gas |
| CN103349926A (en) * | 2013-05-31 | 2013-10-16 | 济南华信自动化工程有限公司 | Fully-automatic proportioning bin |
| CN105903365A (en) * | 2016-07-01 | 2016-08-31 | 广州新龙浩工业设备有限公司 | High-precision nitrogen helium mixing device with recycling function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117987795A (en) * | 2024-03-29 | 2024-05-07 | 无锡尚积半导体科技有限公司 | Linear high-precision regulation and control method for compound film sheet resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111928119B (en) | Mine gas safe blending system and gas blending ratio control method | |
| CN103410718A (en) | Multifunctional testing table for property and application of liquid and gas jet pump | |
| CN101943691A (en) | Device and method for checking SF6 gas leakage monitoring and alarming apparatuses | |
| CN104977394B (en) | A kind of Gas Components and calorific value on-line measurement device | |
| CN106064026A (en) | Multicomponent gas mixing system | |
| CN111298669A (en) | Automatic adjustment type closed-loop gas proportioning cabinet | |
| CN108225729A (en) | A kind of fine adjustment air and liquid twophase flow experiment platform | |
| CN109701406A (en) | A kind of liquid proportioner | |
| CN111437742A (en) | Automatic adjusting method for closed-loop gas proportioning cabinet | |
| CN201697907U (en) | Checking apparatus of SF 6 gas leakage monitoring alarm | |
| CN201443388U (en) | Device for continuously and automatically metering output of oil well | |
| CN113006768A (en) | Gas well scaling simulation device and simulation method | |
| CN212513605U (en) | Flow resistance measurement test system | |
| CN104534102A (en) | Static double dynamic balance valve and debugging method thereof | |
| CN201548428U (en) | Partial flow dilution sampling system | |
| CN112892393A (en) | Online liquid preparation system | |
| CN202909645U (en) | Automatic nitrogen-hydrogen proportioning and mixing device | |
| CN208969063U (en) | Air separation unit analysis system | |
| CN206563104U (en) | A kind of clear water faucet and a kind of water-purifying device | |
| CN206911148U (en) | A kind of solid particulate matter dilution system | |
| CN113917080B (en) | Molecular sieve decay performance test equipment | |
| CN208937986U (en) | A kind of strength of fluid automatic regulating system | |
| CN201408136Y (en) | Motor particle discharge secondary dilution and part flow dilution sampling constant-current device | |
| CN219533083U (en) | Gas detection adjusting device | |
| CN207958410U (en) | A kind of continous way film device for xylose concentration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200619 |