CN116577176A - Component gas constant proportion conveying device capable of correcting error automatically - Google Patents
Component gas constant proportion conveying device capable of correcting error automatically Download PDFInfo
- Publication number
- CN116577176A CN116577176A CN202310405640.XA CN202310405640A CN116577176A CN 116577176 A CN116577176 A CN 116577176A CN 202310405640 A CN202310405640 A CN 202310405640A CN 116577176 A CN116577176 A CN 116577176A
- Authority
- CN
- China
- Prior art keywords
- tube
- gas
- pipe
- movable
- collision
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims abstract 4
- 239000007789 gas Substances 0.000 claims description 165
- 238000005452 bending Methods 0.000 claims description 16
- 238000012937 correction Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000013535 sea water Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N2001/386—Other diluting or mixing processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
Abstract
The application discloses a component gas constant proportion conveying device capable of self-correcting errors, which comprises a transportation detection structure, a multi-stage gas collision unit, a shrinkage type flow control unit and an adjustment mixing structure, wherein the shrinkage type flow control unit is provided with a flow control channel with adjustable length, the shrinkage type flow control unit is used for adjusting the length and the flow cross section of the flow control channel so as to control the flow of component gas entering the multi-stage gas collision unit in unit time, and the gas flow state at the downstream end of the adjustment mixing structure is adjusted to be in an open state or a closed state according to the detection result of the transportation detection structure. When mass flow abnormality is detected, the length and the flow cross section of the flow control channel are regulated through the shrinkage type flow control unit, so that the flow of component gas entering the multistage gas collision unit in unit time is controlled, the proportion of the mixed gas to be output is controlled in a mode of firstly regulating and then stabilizing, the proportion precision of the mixed gas is improved, and the accuracy of subsequent calibration is effectively improved.
Description
Technical Field
The application relates to a mixed gas conveying device, in particular to a component gas constant-proportion conveying device capable of self-correcting error.
Background
The content abnormality of hydrocarbon gas and other gases in the bottom seawater is one of important identification marks of the existence of natural gas hydrate, dissolved gas in the seawater is a multi-component mixed gas, the instant detection method of the gas content in the deep seawater and the bottom seawater is a leading-edge subject of the current marine scientific instrument research, the multi-component gas content in the seawater can be measured in real time with high precision, important technical support can be provided for the fine exploration, development and marine environment monitoring of natural gas hydrate ore bodies in China, and an important premise for guaranteeing the measurement accuracy of a multi-component gas content measuring system is that the system can be accurately calibrated, and a fixed-value multi-component mixed standard gas can be continuously provided, so that the necessary condition for calibrating the system with high precision is provided.
The prior art uses the law of conservation of mass as the main principle basis, the mass flow controllers control and measure the mass flow of carrier gas and component gas in a pipeline, a series of mixing devices are used for fully and uniformly mixing the carrier gas and the component gas in a mixing bin, the target value ternary mixed standard gas with dynamic output is finally obtained, the existing mode of monitoring the mass flow in real time can directly regulate the proportion of the input gas, but the mixed gas output after the mass flow is excessively transported or excessively little can only be provided with a certain mixing proportion through subsequent regulation, and the gas mixing proportion before the mixing proportion can not reach a corresponding ideal value, so that the calibration accuracy can be influenced.
Therefore, the prior art has the technical problems that the real-time monitoring and the adjustment of the mass flow can only adjust the proportion of the mixed gas output later, and the proportion of the gas mixed in the prior transportation can not reach an ideal value, so that the accuracy of the subsequent calibration is reduced.
Disclosure of Invention
Therefore, the application provides a component gas constant-proportion conveying device capable of correcting errors, which effectively solves the problems that in the prior art, the real-time monitoring and the adjustment of mass flow can only adjust the proportion of mixed gas output later, and the proportion of the mixed gas transported before can not reach an ideal value, so that the subsequent calibration is influenced.
In order to solve the technical problems, the application specifically provides the following technical scheme: a component gas constant proportion conveying device for self-correcting error comprises:
the transportation detection structure is used for carrying out transportation and mass flow detection on at least two component gases;
the multistage gas collision unit is arranged at the downstream end of the transportation detection structure, a gas collision space is formed in the multistage gas collision unit, and two adjacent component gases collide in the gas collision space at an acute angle to form mixed gas;
the contraction type flow control unit is arranged between the multi-stage gas collision unit and the transportation detection structure, a flow control channel with adjustable length is formed in the contraction type flow control unit, and the contraction type flow control unit is used for adjusting the length and the flow cross section of the flow control channel so as to control the flow rate of the component gas entering the multi-stage gas collision unit in unit time;
the adjusting and mixing structure is arranged at the downstream end of the multi-stage gas collision unit, the downstream end of the adjusting and mixing structure is arranged as an output end of the mixed gas, the mixed gas is stored in the adjusting and mixing structure, the internal storage space of the adjusting and mixing structure is adjustable, and the gas circulation state of the downstream end of the adjusting and mixing structure is adjusted to be in an open state or a closed state according to the detection result of the transportation detection structure;
the flow rates of the component gas and the mixed gas in the transportation detection structure, the multistage gas collision unit and the shrinkage type flow control unit are consistent.
Further, the contraction type flow control unit comprises a first connecting pipe, a second connecting pipe, a first follow-up pipe arranged on the first connecting pipe, a second follow-up pipe arranged on the second connecting pipe and a movable cylinder seat connected between the first follow-up pipe and the second follow-up pipe;
one end of the first follow-up pipe extends into the first connecting pipe, and the other end extends into the movable cylinder seat;
one end of the second follow-up pipe extends into the second connecting pipe, and the other end extends into the movable cylinder seat.
Further, a slot is formed in the side wall of the movable cylinder seat, and the ends of the first follow-up pipe and the second follow-up pipe are inserted into the slot;
the end parts of the first follow-up tube and the second follow-up tube are rotationally connected in the slot through a first connecting shaft, rubber rings are arranged on the side walls of the first follow-up tube and the second follow-up tube, and the rubber rings are connected with the outer wall of the opening part of the slot;
the first connecting pipe and the second connecting pipe are respectively provided with a through groove, the end parts of the first follow-up pipe and the second follow-up pipe are respectively connected in the through grooves through second connecting shafts in a rotating mode, and the side walls of the first follow-up pipe and the second follow-up pipe are connected with the outer walls of the opening parts of the through grooves through rubber rings.
Further, the first follower pipe and the second follower pipe are each a first fixed pipe, a second connecting cylinder and a third adjusting pipe;
the second connecting cylinder is sleeved outside the end part of the first fixed pipe, the end part of the third adjusting pipe is slidably arranged in the second connecting cylinder, the outer wall of the third adjusting pipe is sleeved with a sealing ring, and the sealing ring is abutted to the inner wall of the second connecting cylinder.
Further, a movable base is arranged at the bottom of the movable cylinder seat, a fixed groove seat is arranged at the bottom of the movable base, and the movable base is movably arranged in the fixed groove seat;
the fixed slot seat is internally provided with a connecting motor, the connecting motor is provided with a threaded driving rod, and the threaded driving rod is in threaded connection with the movable base.
Further, a movable valve seat is arranged in the movable cylinder seat, a connecting frame is arranged outside the movable cylinder seat, a movable cylinder is arranged on the connecting frame, and the movable valve seat is arranged at the output end of the movable cylinder;
the movable valve seat head is provided with an inclined surface, and an inclined inner wall matched with the inclined surface is arranged in the movable valve seat.
Further, the transport detection structure comprises a transport pipe and a flow monitor arranged on the transport pipe;
the flow monitor is used for monitoring the flow rate of the component gas in the transportation pipe in unit time.
Further, the multistage gas collision unit includes a collision tube group provided at an end of the second connection tube and a transport groove bar provided inside the collision tube group;
the collision pipe groups are at least two groups, adjacent collision pipe groups are connected and communicated, and the gas collision space is arranged at the communication position between the adjacent collision pipe groups;
the collision tube group comprises at least two bending tubes, the transportation groove rod is arranged in the bending tubes, the outer wall of the transportation groove rod is in butt joint with the inner wall of the bending tubes, at least two transportation grooves are formed in the outer wall of the transportation groove rod, and the transportation grooves are repeatedly distributed in a crossed mode at equal intervals.
Further, the adjusting mixing structure comprises a mixing cabin arranged at the end part of the collision tube group and a movable cabin body movably arranged in the mixing cabin;
the movable cabin body is provided with a pressure sensor on the inner wall, a lifting cylinder is arranged at the top of the movable cabin body, and the movable cabin body is arranged at the output end of the lifting cylinder.
Further, the output end of the movable cabin body is provided with an output pipe, a circular valve plate is arranged in the output pipe, a rotating shaft is arranged on the circular valve plate, the rotating shaft is arranged on the output pipe in a penetrating mode, and a driving motor is arranged on the rotating shaft.
Compared with the prior art, the application has the following beneficial effects:
according to the application, at least two component gases are transported and mass flow is detected through the transportation detection structure, when mass flow abnormality is detected, the output end of the mixed gas is in a closed state through adjusting the mixing structure, the length and the flow cross section of the flow control channel are adjusted through the shrinkage type flow control unit, so that the flow of the component gases entering the multistage gas collision unit in unit time is controlled, the proportion of the mixed gas to be output is controlled in a mode of adjusting first and then stabilizing, the proportion precision of the mixed gas is improved, and the accuracy of subsequent calibration is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic structural diagram of a component gas proportional conveying device with error correction function according to an embodiment of the present application;
FIG. 2 is a schematic diagram showing a structure in which a first end of a bending tube is connected to a second different connecting tube according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a portion of a retractable current control unit according to an embodiment of the present application;
FIG. 4 is a schematic view showing the internal structures of a first follower pipe and a second follower pipe according to an embodiment of the present application;
FIG. 5 is a schematic view of a transport chute according to an embodiment of the application;
FIG. 6 is a schematic view showing the internal structure of a mixing chamber according to an embodiment of the present application;
FIG. 7 is a schematic diagram showing the internal structure of the output pipe according to an embodiment of the present application.
Reference numerals in the drawings are respectively as follows:
1-a transport detection structure; a 2-multistage gas collision cell; 3-a shrinkage type flow control unit; 4-adjusting the mixing structure; 5-gas collision space; 6-a flow control channel;
11-a transport tube; 12-a flow monitor;
21-a collision tube set; 22-transporting groove bars; 23-a transport tank;
31-a first connection tube; 32-a second connecting tube; 33-a first follower tube; 34-a second follower tube; 35-a movable cylinder seat; 36-slotting; 37-rubber ring; 38-trough penetration; 39-a second connecting shaft; 310-a movable base; 311-fixing the groove seat; 312-connecting a motor; 313-threaded drive rod; 314—a movable valve seat; 315-connecting frame; 316-movable cylinder; 317-inclined inner walls; 318-a first connecting shaft;
41-a mixing cabin; 42-a movable cabin; 43-pressure sensor; 44-lifting air cylinders; 45-output tube; 46-a circular valve plate; 47-rotating shaft; 48-driving a motor;
211-bending the tube;
331-a first fixed tube; 332-a second connecting cylinder; 333-a third regulator tube; 334-sealing ring.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 and 2, the application provides a self-error-correction component gas proportional conveying device, which is provided with a conveying detection structure 1, a multi-stage gas collision unit 2, a shrinkage type flow control unit 3 and an adjusting mixing structure 4.
Wherein, the transportation detection structure 1 is used for transporting at least two component gases and detecting the mass flow.
The multistage gas collision unit 2 is arranged at the downstream end of the transport detection structure 1, a gas collision space 5 is formed inside the multistage gas collision unit 2, and two adjacent component gases collide in the gas collision space 5 at an acute angle to form mixed gas.
The shrinkage type flow control unit 3 is arranged between the multi-stage gas collision unit 2 and the transportation detection structure 1, the shrinkage type flow control unit 3 is provided with a flow control channel 6 with adjustable length, and the shrinkage type flow control unit 3 is used for adjusting the length and the flow cross section of the flow control channel 6 so as to control the flow rate of component gas entering the multi-stage gas collision unit 2 in unit time.
The adjusting mixing structure 4 is arranged at the downstream end of the multi-stage gas collision unit 2, the downstream end of the adjusting mixing structure 4 is arranged as an output end of mixed gas, the mixed gas is stored in the adjusting mixing structure 4, the internal storage space of the adjusting mixing structure is adjustable, and the gas circulation state of the downstream end of the adjusting mixing structure 4 is adjusted to be in an open state or a closed state according to the detection result of the transportation detection structure 1.
In order to ensure that the shrinkage type flow control unit 3 can temporarily reduce the amount of the component gas entering the adjustment mixing structure 4 when adjusting the length of the flow control channel 6, the flow rates of the component gas and the mixed gas in the transportation detection structure 1, the multi-stage gas collision unit 2 and the shrinkage type flow control unit 3 need to be consistent, so that the time for transporting the component gas into the adjustment flow control channel 6 is prolonged, the amount of the corresponding component gas entering the adjustment flow control channel 6 in unit time is reduced, and the corresponding mixed gas proportion is adjusted.
In the embodiment of the application, at least two component gases are transported and mass flow is detected through the transportation detection structure 1, when mass flow abnormality is detected, the output end of the mixed gas is in a closed state through adjusting the mixing structure 4, the length and the flow cross section of the flow control channel 6 are adjusted through the contracted flow control unit 3, so that the flow of the component gases entering the multistage gas collision unit 2 in unit time is controlled, the proportion of the mixed gas to be output is controlled through a mode of adjusting before stabilizing, the proportion precision of the mixed gas is improved, and the accuracy of subsequent calibration is effectively improved.
Wherein the constriction type flow control unit 3 adjusts the length and flow cross section of the flow control channel 6 to control the flow rate of the component gas entering the multi-stage gas collision unit 2 per unit time, the constriction type flow control unit 3 of the present application adopts the following preferred embodiments, as shown in fig. 1, 2 and 3, the constriction type flow control unit 3 comprises a first connection pipe 31, a second connection pipe 32, a first follow-up pipe 33 provided on the first connection pipe 31, a second follow-up pipe 34 provided on the second connection pipe 32, and a movable cylinder seat 35 connected between the first follow-up pipe 33 and the second follow-up pipe 34; one end of the first follow-up tube 33 extends into the first connecting tube 31, and the other end extends into the movable cylinder seat 35; the second follower tube 34 extends into the second connector tube 32 at one end and into the movable barrel seat 35 at the other end.
In the above embodiment, the component gas first enters the first follower tube 33 from the first connecting tube 31, then enters the second follower tube 34 through the movable cylinder seat 35, and then is outputted from the second connecting tube 32.
The first follower tube 33, the movable cylinder seat 35 and the second follower tube 34 form a whole flow control channel 6, and the two flow control channels 6 are generally arranged, so that the movable cylinder seat 35 is driven to move close to or away from each other in the length adjustment process.
In order to make the inside of the flow control channel 6 always in a closed state, the application also designs that the side wall of the movable cylinder seat 35 is provided with a slot 36, and the end parts of the first following pipe 33 and the second following pipe 34 are inserted into the slot 36; the ends of the first following pipe 33 and the second following pipe 34 are rotatably connected in the slot 36 through a first connecting shaft 318, and the side walls of the first following pipe 33 and the second following pipe 34 are provided with rubber rings 37 and are connected with the outer wall of the opening part of the slot 36 through the rubber rings 37; the first connecting pipe 31 and the second connecting pipe 32 are respectively provided with a through groove 38, the end parts of the first follow-up pipe 33 and the second follow-up pipe 34 are respectively connected in the through grooves 38 through a second connecting shaft 39 in a rotating way, and the side walls of the first follow-up pipe 33 and the second follow-up pipe 34 are connected with the outer walls of the opening parts of the through grooves 38 through rubber rings 37.
In the above embodiment, the rubber ring 37 is made of rubber, has a certain ductility, and can stretch and retract along with the rotation of the first follower tube 33 and the second follower tube 34, so that the connection between the ends of the first follower tube 33 and the second follower tube 34 and the corresponding pipeline is always in a closed state, and leakage of component gas in the transportation process is avoided.
Because the length of the flow control channel 6 is adjusted by driving the movable cylinder seat 35 to move closer to or away from each other, and the first follower tube 33 and the second follower tube 34 rotate along with the length change in the process of moving the movable cylinder seat 35, the application also designs that the first follower tube 33 and the second follower tube 34 are both a first fixed tube 331, a second connecting tube 332 and a third adjusting tube 333 as shown in fig. 4; the second connecting tube 332 is sleeved outside the end part of the first fixed tube 331, the end part of the third adjusting tube 333 is slidably arranged in the second connecting tube 332, the outer wall of the third adjusting tube 333 is sleeved with a sealing ring 334, and the sealing ring 334 is abutted with the inner wall of the second connecting tube 332.
When the movable cylinder seat 35 moves outwards or inwards, the third adjusting tube 333 slides in the second connecting cylinder 332, so that the integral length adjustment of the first following tube 33 and the second following tube 34 is realized, wherein the sealing ring 334 is used for ensuring the tightness between the third adjusting tube 333 and the second connecting cylinder 332.
The length adjustment of the first follower tube 33 and the second follower tube 34 mainly needs to drive the movable cylinder seat 35 to move, and in order to drive the movable cylinder seat 35 to move, the application also designs that a movable base 310 is arranged at the bottom of the movable cylinder seat 35, a fixed slot seat 311 is arranged at the bottom of the movable base 310, and the movable base 310 is movably arranged in the fixed slot seat 311; a connecting motor 312 is arranged in the fixed groove seat 311, a threaded driving rod 313 is arranged on the connecting motor 312, and the threaded driving rod 313 is in threaded connection with the movable base 310.
The moving process of the movable cylinder seat 35 is that the connecting motor 312 drives the screw driving rod 313 to rotate, and the movable base 310 moves on the fixed groove seat 311 under the rotating action of the screw driving rod 313, so that the movable cylinder seat 35 is driven to move, and the moving directions of the two movable cylinder seats 35 are opposite, so that the first following pipe 33 and the second following pipe 34 are lengthened or shortened, and the length adjustment of the flow control channel 6 is realized.
The application also adjusts the flow rate of component gas transported in unit time by adjusting the cross section area of the transport channel in the flow control channel 6, and has the specific structure that a movable valve seat 314 is arranged in a movable cylinder seat 35, a connecting frame 315 is arranged outside the movable cylinder seat 35, a movable cylinder 316 is arranged on the connecting frame 315, and the movable valve seat 314 is arranged at the output end of the movable cylinder 316; the head of the movable valve seat 314 is formed with an inclined surface, and an inclined inner wall 317 that fits the inclined surface is provided in the movable valve seat 314.
The process of adjusting the cross section area of the transportation channel in the flow control channel 6 is that the movable cylinder 316 drives the movable valve seat 314 to move inwards, the inner cross section of the flow control channel 6 in the movable cylinder seat 35 becomes smaller gradually in the process of moving to a certain position to move forwards, and when the movable valve seat 314 moves to be matched with the inclined inner wall 317, the flow control channel 6 in the movable cylinder seat 35 is completely closed, so that the corresponding position of the process control of moving the movable valve seat 314 can be adjusted by adjusting the cross section area of the transportation channel in the flow control channel 6 to a proper size, and the flow of component gas transported in unit time can be adjusted.
In the application, the transportation detection structure 1 carries out transportation and mass flow detection on at least two component gases, as shown in fig. 1, the transportation detection structure 1 comprises a transportation pipe 11 and a flow monitor 12 arranged on the transportation pipe 11, wherein the flow monitor 12 is used for monitoring the flow of the component gases in the transportation pipe 11 in unit time.
In the above embodiment, the adjustment of the length and the cross-sectional area of the flow control channel 6 is mainly based on the monitoring data of the flow monitor 12, when the flow of the corresponding component gas is monitored to be smaller, the proportion of the mixed gas is adjusted by decreasing the length of the flow control channel 6 and increasing the cross-sectional area of the transport channel in the flow control channel 6, and when the flow of the corresponding component gas is monitored to be larger, the proportion of the mixed gas is adjusted by increasing the length of the flow control channel 6 and decreasing the cross-sectional area of the transport channel in the flow control channel 6.
The multistage gas collision cell 2 of the present application is formed with a gas collision space 5 inside, and two adjacent component gases collide at an acute angle in the gas collision space 5 to form a mixed gas, and the multistage gas collision cell 2 of the present application mainly adopts the following preferred embodiments, as shown in fig. 1, 2 and 5, the multistage gas collision cell 2 includes a collision tube group 21 provided at an end of a second connection tube 32 and a transportation groove bar 22 provided in the collision tube group 21; at least two groups of the collision tube groups 21 are connected and communicated between adjacent collision tube groups 21, and the gas collision space 5 is provided at the communication position between adjacent collision tube groups 21.
In the above embodiment, the component gas is output into the collision tube group 21 at the second connection tube 32, and collides at the gas collision space 5 after passing through one group of collision tube groups 21, and the gas collision space 5 is designed so that the component gas can be fused more uniformly.
In addition, the collision tube group 21 is composed of at least two bending tubes 211, the transportation groove bars 22 are arranged in the bending tubes 211, the outer walls of the transportation groove bars 22 are in contact with the inner walls of the bending tubes 211, as shown in fig. 5, at least two transportation grooves 23 are arranged on the outer walls of the transportation groove bars 22, and the transportation grooves 23 are repeatedly distributed in a crossed mode at equal intervals.
In order to promote the mixing of the component gases, the transport groove bars 22 are designed so that the component gases enter the transport groove 23 after entering the bending tube 211 to repeatedly perform the branching and overlapping transport actions, and the uniform mixing of the component gases is promoted after the multiple converging and separating transport.
In this embodiment, the second connection pipes 32 may be connected to the ends of the bending pipes 211, and assuming that three component gases are present, the three second connection pipes 32 are all connected to the ends of the bending pipes 211, in this case, the starting ends of the bending pipes 211 in the collision pipe group 21 at the initial end are connected, and enter the bending pipes 211 after preliminary mixing.
As another preferred embodiment of the present application, the starting ends of the bent tubes 211 in the collision tube group 21 at the starting end may be made not to communicate, and different second connection tubes 32 may be respectively connected so that the three component gases are joined at the end of the bent tube 211 in the collision tube group 21 at the starting end to collide.
The application is to adjust the mixing structure 4 for storing mixed gas, and its internal storage space is adjustable, adjust the gas circulation state of the downstream end of the mixing structure 4 to open state or close state according to the detection result of the transport detection structure 1, the application adjusts the mixing structure 4 to adopt the following preferred embodiment, as shown in fig. 1 and 6, adjust the mixing structure 4 to include mixing cabin 41 set up in the end of the collision tube set 21, movable cabin 42 set up in mixing cabin 41 movably; the inner wall of the movable cabin body 42 is provided with a pressure sensor 43, the top of the movable cabin body 42 is provided with a lifting cylinder 44, and the movable cabin body 42 is arranged at the output end of the lifting cylinder 44.
In the above embodiment, when the component gas flow rate is abnormal, the output end of the mixing chamber 41 needs to be sealed, the mixed gas in the mixing chamber 41 is gradually increased, the pressure is increased, and the lifting cylinder 44 is driven to drive the movable chamber 42 to move upwards according to the pressure value of the pressure sensor 43, so that the pressure in the movable chamber 42 tends to an ideal value.
In order to seal the output end of the mixing cabin 41, the application also provides a design that, as shown in fig. 7, an output pipe 45 is arranged at the output end of the movable cabin 42, a circular valve plate 46 is arranged in the output pipe 45, a rotating shaft 47 is arranged on the circular valve plate 46, the rotating shaft 47 is arranged on the output pipe 45 in a penetrating way, and a driving motor 48 is arranged on the rotating shaft 47.
The driving motor 48 drives the rotation shaft 47 to rotate, so as to drive the circular valve plate 46 to rotate to be perpendicular to the gas flowing direction, and block the gas, so that the output end of the mixing cabin 41 is sealed.
In summary, the main implementation process of the application is as follows:
the component gas is introduced into the transportation pipe 11, the flow monitor 12 monitors the flow of the component gas in the transportation pipe 11 in real time in a unit time, then enters the first following pipe 33 from the first connecting pipe 31, then enters the second following pipe 34 through the movable cylinder seat 35, then is output from the second connecting pipe 32 into the collision pipe group 21 to be mixed with other component gas, repeatedly collides and disperses the transportation mixed gas through the plurality of groups of collision pipe groups 21, and then is transported into the mixing cabin 41 and is output from the output pipe 45;
when the flow monitor 12 monitors that the flow rate of the component gas is reduced, the length of the flow control channel 6 is reduced to adjust the proportion of the mixed gas, the driving motor 48 drives the driving rotation shaft 47 to rotate, the output pipe 45 is in a closed state, the lifting cylinder 44 is driven to drive the movable cabin 42 to move upwards according to the pressure value of the pressure sensor 43, the connecting motor 312 drives the threaded driving rod 313 to rotate, under the rotation action of the threaded driving rod 313, the movable base 310 moves on the fixed groove seat 311, thereby driving the movable cylinder seat 35 to move inwards, so that the flow rate of the component gas entering the mixing cabin 41 in unit time is reduced, the short-time adjustment of the proportion of the mixed gas is realized, the movable cylinder 316 drives the movable valve seat 314 to move outwards, the cross-sectional area of the transportation channel in the flow control channel 6 is adjusted to be gradually increased to a proper size, the flow rate of the component gas transported in unit time is increased, the flow rate of the component gas is increased and tends to be stable, the long-time adjustment of the proportion of the mixed gas is realized, the driving motor 48 drives the driving rotation shaft 47 to rotate, the output pipe 45 is in an open state, and the output pipe 45 can drive the mixed gas to move downwards through the lifting cylinder 44;
when the flow monitor 12 monitors that the corresponding component gas flow becomes larger, the ratio of the mixed gas is adjusted by increasing the length of the flow control channel 6 and reducing the cross-sectional area of the transportation channel in the flow control channel 6, the driving motor 48 drives the driving rotation shaft 47 to rotate, the output pipe 45 is in a closed state, the lifting cylinder 44 is driven to drive the movable cabin 42 to move upwards according to the pressure value of the pressure sensor 43, the connecting motor 312 drives the driving screw driving rod 313 to rotate, the movable base 310 moves on the fixed groove seat 311 under the rotation action of the driving screw driving rod 313, thereby driving the movable cylinder seat 35 to move outwards, the first following tube 33 and the second following tube 34 become longer, the component gas flow entering the mixing cabin 41 in unit time becomes smaller, the mixed gas ratio is adjusted in a short time, the movable cylinder 316 drives the movable valve seat 314 to move inwards, the cross-sectional area of the transportation channel in the flow control channel 6 is gradually reduced to a proper size, the flow of the component gas transported in unit time is reduced, the flow of the component gas becomes smaller and tends to be stable, the mixed gas ratio is adjusted for a long time, the driving motor 48 drives the rotation shaft 47 to rotate, the output pipe 45 is driven to be opened, and the mixed gas is in a mixed gas output state.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (10)
1. A component gas constant proportion conveying device for self-correcting error is characterized by comprising:
the transportation detection structure (1) is used for carrying out transportation and mass flow detection on at least two component gases;
a multi-stage gas collision unit (2) arranged at the downstream end of the transport detection structure (1), wherein a gas collision space (5) is formed in the multi-stage gas collision unit (2), and two adjacent component gases collide in the gas collision space (5) at an acute angle to form mixed gas;
a contraction type flow control unit (3) arranged between the multi-stage gas collision unit (2) and the transportation detection structure (1), wherein the contraction type flow control unit (3) is provided with a length-adjustable flow control channel (6), and the contraction type flow control unit (3) is used for adjusting the length and the flow cross section of the flow control channel (6) so as to control the flow rate of the component gas entering the multi-stage gas collision unit (2) in unit time;
the adjusting and mixing structure (4) is arranged at the downstream end of the multi-stage gas collision unit (2), the downstream end of the adjusting and mixing structure (4) is arranged as an output end of the mixed gas, the mixed gas is stored in the adjusting and mixing structure (4), the internal storage space of the adjusting and mixing structure is adjustable, and the gas circulation state at the downstream end of the adjusting and mixing structure (4) is adjusted to be in an open state or a closed state according to the detection result of the transportation detection structure (1);
the flow rates of the component gas and the mixed gas in the transportation detection structure (1), the multi-stage gas collision unit (2) and the shrinkage type flow control unit (3) are consistent.
2. A device for the pneumatic proportionality of components with self-correction errors according to claim 1, characterized in that said constriction type flow control unit (3) comprises a first connection tube (31), a second connection tube (32), a first following tube (33) arranged on said first connection tube (31), a second following tube (34) arranged on said second connection tube (32) and a mobile seat (35) connected between said first following tube (33) and said second following tube (34);
one end of the first follow-up tube (33) extends into the first connecting tube (31), and the other end extends into the movable cylinder seat (35);
one end of the second follow-up tube (34) extends into the second connecting tube (32), and the other end extends into the movable cylinder seat (35).
3. The self-error correction component gas scaling conveying device according to claim 2, characterized in that the side wall of the movable cylinder seat (35) is provided with a slot (36), and the ends of the first follow-up pipe (33) and the second follow-up pipe (34) are inserted into the slot (36);
the ends of the first follow-up tube (33) and the second follow-up tube (34) are rotationally connected in the slot (36) through a first connecting shaft (318), rubber rings (37) are arranged on the side walls of the first follow-up tube (33) and the second follow-up tube (34), and the rubber rings (37) are connected with the outer wall of the opening of the slot (36);
the first connecting pipe (31) and the second connecting pipe (32) are respectively provided with a through groove (38), the ends of the first follow-up pipe (33) and the second follow-up pipe (34) are respectively connected in the through grooves (38) through a second connecting shaft (39) in a rotating mode, and the side walls of the first follow-up pipe (33) and the second follow-up pipe (34) are connected with the outer walls of the opening parts of the through grooves (38) through rubber rings (37).
4. A device for the pneumatic proportionality of components with self-correction errors according to claim 3, characterized in that said first follower tube (33) and said second follower tube (34) are each a first fixed tube (331), a second connecting tube (332) and a third regulating tube (333);
the second connecting cylinder (332) is sleeved outside the end part of the first fixed tube (331), the end part of the third adjusting tube (333) is slidably arranged in the second connecting cylinder (332), the outer wall of the third adjusting tube (333) is sleeved with a sealing ring (334), and the sealing ring (334) is abutted to the inner wall of the second connecting cylinder (332).
5. The self-error correction component gas proportional conveying device according to claim 4, wherein a movable base (310) is arranged at the bottom of the movable cylinder seat (35), a fixed groove seat (311) is arranged at the bottom of the movable base (310), and the movable base (310) is movably arranged in the fixed groove seat (311);
the fixed groove seat (311) is internally provided with a connecting motor (312), the connecting motor (312) is provided with a threaded driving rod (313), and the threaded driving rod (313) is in threaded connection with the movable base (310).
6. The self-error correction component gas proportional conveying device according to claim 5, wherein a movable valve seat (314) is arranged in the movable cylinder seat (35), a connecting frame (315) is arranged outside the movable cylinder seat (35), a movable air cylinder (316) is arranged on the connecting frame (315), and the movable valve seat (314) is arranged at the output end of the movable air cylinder (316);
an inclined surface is formed on the head of the movable valve seat (314), and an inclined inner wall (317) which is matched with the inclined surface is arranged in the movable valve seat (314).
7. The self-correcting component gas proportional delivery device according to claim 6, wherein the transport detection structure (1) comprises a transport pipe (11), and a flow monitor (12) arranged on the transport pipe (11);
the flow monitor (12) is used for monitoring the flow rate of the component gas in the transportation pipe (11) in unit time.
8. A component gas scaling delivery device of self-correcting errors according to claim 7, characterized in that said multistage gas collision cell (2) comprises a collision tube group (21) arranged at the end of said second connection tube (32) and a transport chute rod (22) arranged inside said collision tube group (21);
the collision tube groups (21) are at least two groups, adjacent collision tube groups (21) are connected and communicated, and the gas collision space (5) is arranged at the communication position between the adjacent collision tube groups (21);
the collision tube group (21) is composed of at least two bending tubes (211), the transportation groove rods (22) are arranged in the bending tubes (211) and the outer walls of the transportation groove rods (22) are abutted against the inner walls of the bending tubes (211), at least two transportation grooves (23) are formed in the outer walls of the transportation groove rods (22), and the transportation grooves (23) are repeatedly distributed in a crossed mode at equal intervals.
9. The self-error correction component gas proportional conveying device according to claim 8, wherein the regulating and mixing structure (4) comprises a mixing cabin (41) arranged at the end part of the collision tube group (21), and a movable cabin body (42) movably arranged in the mixing cabin (41);
the movable cabin body (42) inner wall is provided with pressure sensor (43), movable cabin body (42) top is provided with lift cylinder (44), movable cabin body (42) set up the output of lift cylinder (44).
10. The component gas proportional conveying device of self-correction errors according to claim 9, wherein an output pipe (45) is arranged at the output end of the movable cabin body (42), a round valve plate (46) is arranged in the output pipe (45), a rotating shaft (47) is arranged on the round valve plate (46), the rotating shaft (47) is arranged on the output pipe (45) in a penetrating mode, and a driving motor (48) is arranged on the rotating shaft (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310405640.XA CN116577176B (en) | 2023-04-17 | 2023-04-17 | Component gas constant proportion conveying device capable of correcting error automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310405640.XA CN116577176B (en) | 2023-04-17 | 2023-04-17 | Component gas constant proportion conveying device capable of correcting error automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116577176A true CN116577176A (en) | 2023-08-11 |
| CN116577176B CN116577176B (en) | 2024-01-23 |
Family
ID=87538578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310405640.XA Active CN116577176B (en) | 2023-04-17 | 2023-04-17 | Component gas constant proportion conveying device capable of correcting error automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116577176B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798564A (en) * | 2012-05-14 | 2012-11-28 | 广东电网公司电力科学研究院 | Multi-channel gas mixed flow device |
| CN207662871U (en) * | 2017-12-20 | 2018-07-27 | 国网安徽省电力公司电力科学研究院 | A kind of mixed gas concentration real time monitoring apparatus |
| CN109603598A (en) * | 2019-01-15 | 2019-04-12 | 南京市江宁医院 | A kind of gas mixer that fluctuation of concentration is small |
| CN210573408U (en) * | 2019-12-06 | 2020-05-19 | 信息产业电子第十一设计研究院科技工程股份有限公司 | Mixed gas proportioning control system |
| CN212237157U (en) * | 2020-05-18 | 2020-12-29 | 四川莱峰流体设备制造有限公司 | Automatic proportioning device of gas concentration |
| KR20210010765A (en) * | 2019-07-19 | 2021-01-28 | 한국기계연구원 | Apparatus for diluting exhaust gas |
| CN115326513A (en) * | 2022-08-22 | 2022-11-11 | 中国科学技术大学 | Dynamic gas distribution system, gas distribution method and gas-liquid distribution method |
| CN218236539U (en) * | 2022-09-09 | 2023-01-06 | 福建朝旭新能源科技有限公司 | Flow monitoring mechanism |
| CN115616163A (en) * | 2022-10-24 | 2023-01-17 | 淮阴工学院 | Gas accurate preparation and concentration measurement system |
-
2023
- 2023-04-17 CN CN202310405640.XA patent/CN116577176B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798564A (en) * | 2012-05-14 | 2012-11-28 | 广东电网公司电力科学研究院 | Multi-channel gas mixed flow device |
| CN207662871U (en) * | 2017-12-20 | 2018-07-27 | 国网安徽省电力公司电力科学研究院 | A kind of mixed gas concentration real time monitoring apparatus |
| CN109603598A (en) * | 2019-01-15 | 2019-04-12 | 南京市江宁医院 | A kind of gas mixer that fluctuation of concentration is small |
| KR20210010765A (en) * | 2019-07-19 | 2021-01-28 | 한국기계연구원 | Apparatus for diluting exhaust gas |
| CN210573408U (en) * | 2019-12-06 | 2020-05-19 | 信息产业电子第十一设计研究院科技工程股份有限公司 | Mixed gas proportioning control system |
| CN212237157U (en) * | 2020-05-18 | 2020-12-29 | 四川莱峰流体设备制造有限公司 | Automatic proportioning device of gas concentration |
| CN115326513A (en) * | 2022-08-22 | 2022-11-11 | 中国科学技术大学 | Dynamic gas distribution system, gas distribution method and gas-liquid distribution method |
| CN218236539U (en) * | 2022-09-09 | 2023-01-06 | 福建朝旭新能源科技有限公司 | Flow monitoring mechanism |
| CN115616163A (en) * | 2022-10-24 | 2023-01-17 | 淮阴工学院 | Gas accurate preparation and concentration measurement system |
Non-Patent Citations (1)
| Title |
|---|
| 李钦奉 等: "气体混合系统闭环自动控制的研究", 生产应用 焊接, no. 10, pages 49 - 51 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116577176B (en) | 2024-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI575349B (en) | Flow ratio controller assembly,gas delivery system and the method of operating the same | |
| CN109916556B (en) | Portable dynamic and static calibration system for pressure sensor | |
| US20070044843A1 (en) | Apparatus for controlling and metering fluid flow | |
| CN116577176B (en) | Component gas constant proportion conveying device capable of correcting error automatically | |
| CN109612899B (en) | Pressure correction type gas permeability calculation method | |
| CN206583507U (en) | A kind of gas-dynamic dilutes air distribution system | |
| CN105784054A (en) | System and method suitable for calibrating volume of gas cavity in irregular shape | |
| CN111515054A (en) | High-precision spraying double-closed-loop supply system | |
| CN204495519U (en) | Leakage detection system of safety valve | |
| CN208999037U (en) | Products air tightness detection device and its detection system | |
| JP2824443B2 (en) | Preparative liquid chromatography equipment | |
| CN113701987B (en) | High-pressure gas flow control device for wind tunnel test | |
| CN109738043B (en) | Method for discharging a specified volume of liquid | |
| CN106500910B (en) | Dynamic contrast calibration device for vacuum gauge | |
| CN115128027B (en) | Ultraviolet spectrum-splitting gas sensor environment pressure compensation structure and method | |
| CN105643642A (en) | Positioning method for manipulator arm | |
| CN112051009A (en) | Positive pressure standard leak hole calibration device and method for satellite single-point leak rate test | |
| KR102364546B1 (en) | Gas supplier for semiconductor manufacturing system | |
| CN206695875U (en) | A kind of apparatus for calibrating water meter | |
| CN210357081U (en) | Flow control system and experimental device | |
| CN111487115B (en) | Pneumatic solution dilution and distribution device | |
| CN113237613A (en) | Positive pressure leak hole calibration method and device | |
| CN107478771A (en) | The self-checking unit and method of three gas incubator sensors | |
| JP2014221644A (en) | Liquid filling device | |
| CN108868783B (en) | Mud squeezing device for deviation rectification of push bench and deviation rectification method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |