CN112499573A - Liquid medium metering unloading control system and method - Google Patents
Liquid medium metering unloading control system and method Download PDFInfo
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- CN112499573A CN112499573A CN202011297935.2A CN202011297935A CN112499573A CN 112499573 A CN112499573 A CN 112499573A CN 202011297935 A CN202011297935 A CN 202011297935A CN 112499573 A CN112499573 A CN 112499573A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/58—Arrangements of pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
- B67D7/763—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators of air separators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention relates to a liquid medium metering unloading control system which comprises a bearing base, a bearing keel, an unloading interface, a hard unloading guide pipe, a drainage pipe, a negative pressure unloading pump, an air eliminating mechanism, a connector head, a regulating valve and a driving control system. The using method comprises three steps of equipment assembling, vehicle connecting and unloading operation and the like. On one hand, the invention can effectively meet the matched operation of various liquid medium transport vehicles; on the other hand, the material loss caused by the residue in the storage equipment and the conveying equipment when the liquid medium is unloaded and the corrosion to the storage equipment and the conveying equipment can be prevented.
Description
Technical Field
The invention relates to a gas-phase fracturing simulation detection device, in particular to a liquid medium metering unloading control system, a liquid medium metering unloading control method and a liquid medium metering unloading detection method.
Background
At present, when chemical materials such as oil, acid liquor, alkali liquor and the like are unloaded from a carrying vehicle, the purpose of unloading is usually achieved by directly pressurizing liquid materials for one time or multiple times through a booster pump, although the use requirement can be met to a certain extent, on one hand, the current unloading equipment can only meet the requirement of unloading operation of a specific position and a specific liquid medium in unloading, and the use flexibility and the universality are poor; on the other hand, during unloading, the unloading power of the liquid medium is often insufficient, so that a large amount of liquid medium remains in the vehicle storage equipment and the unloading pipeline, thereby causing serious material waste, easily causing pollution and corrosion to the vehicle and the unloading system due to the remaining material, and simultaneously causing the leakage of the liquid medium and mixed gas containing liquid medium steam and liquid mist in the unloading process to the air and the surrounding environment, thereby causing serious environmental pollution and material waste.
Meanwhile, during unloading, a large amount of bubbles are generated in the liquid material flow due to gas contained in the liquid medium material and mixed gas during conveying, so that the metering of the conveying operation is easy to be inaccurate, the generation amount of liquid medium liquid mist and steam is increased, and the risks of material waste and loss are increased.
Therefore, in order to solve the problem, a novel and efficient unloading system for liquid medium materials with high universality is urgently needed to be developed to meet the use requirement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a liquid medium metering unloading control system and method so as to achieve the aim of flexibly and accurately detecting the working pressure and the fracturing effect.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a liquid medium metering unloading control system comprises a bearing base, a bearing keel, unloading interfaces, a hard unloading guide pipe, a drainage pipe, an exhaust pipe, a negative pressure unloading pump, an air eliminating mechanism, a gas-liquid separating mechanism, a booster pump, a hard discharge pipe, a connector head, a regulating valve and a drive control system, wherein the bearing base is of a rectangular frame plate-shaped structure with the cross section parallel to the horizontal plane, the bearing keel is of a frame structure with the cross section shaped like the Chinese character 'Jiong', the bearing keel is coated on the upper end surface of the bearing base and forms a rectangular frame cavity structure with the cross section formed by the bearing base, at least two unloading interfaces are arranged, each unloading interface is positioned outside the front end surface of the bearing keel and connected in parallel with each other, the rear end surface of each unloading interface is communicated with the hard unloading guide pipe, at least 1/4 part of the effective length of the hard unloading guide pipe is embedded in, the hard unloading guide pipes are mutually connected in parallel and are communicated with a regulating valve through a drainage pipe, the regulating valve is communicated with a negative pressure unloading pump through the drainage pipe, at least one negative pressure unloading pump is connected with the upper end surface of the bearing base and is positioned in the bearing keel, the negative pressure unloading pump is communicated with one end of an air eliminating mechanism through the drainage pipe, the other end of the air eliminating mechanism is communicated with a hard liquid discharge pipe through a booster pump, the booster pumps are mutually connected in parallel and are respectively communicated with the air eliminating mechanism and the hard liquid discharge pipe through the drainage pipes, the negative pressure unloading pump and the air eliminating mechanism are communicated with a gas-liquid separating mechanism through exhaust pipes, the air eliminating mechanism, the gas-liquid separating mechanism and the booster pump are all positioned in the bearing keel and are connected with the upper end surface of the bearing base, and the hard liquid discharge pipe is hinged with the bearing keel through the regulating mechanism, the axis and the horizontal plane form an included angle of 0-180 degrees, the rear half part of the hard liquid discharge pipe is positioned in the bearing keel, the front half part of the hard liquid discharge pipe is positioned outside the rear end surface of the bearing keel and is communicated with the connecting pipe head, the connecting pipe head and the hard liquid discharge pipe are coaxially distributed, the connecting pipe head exceeds the rear end surface of the bearing keel by at least 10 centimeters, the driving control system is connected with the upper end surface of the bearing base and is embedded in the side surface of the bearing keel, and the driving control system is respectively and electrically connected with the negative pressure unloading pump, the air eliminating mechanism, the gas-liquid separating.
Further, negative pressure uninstallation pump, air elimination mechanism, gas-liquid separation mechanism, booster pump and control valve and bear and pass through spout sliding connection between the base up end, just negative pressure uninstallation pump, air elimination mechanism, gas-liquid separation mechanism, booster pump, control valve, stereoplasm honeycomb duct and stereoplasm fluid-discharge tube of unloading and drainage tube, blast pipe, interface and connector head of unloading are through the control valve intercommunication, the control valve respectively with drive control system electrical connection.
Further, the air elimination mechanism comprises a tank body, a pressure regulating pump, a liquid level sensor, an air pressure sensor, a pressure regulating valve, a temperature sensor and a forced liquid discharge pipe, wherein the tank body is of a closed cavity structure with an axis parallel to a horizontal plane, a liquid adding port and a liquid outlet are respectively arranged on the front end face and the rear end face of the tank body, the liquid adding port is communicated with the negative pressure unloading pump, the liquid outlet is communicated with the hard liquid discharge pipe, the liquid adding port and the liquid outlet are coaxially distributed, the axis of the liquid adding port and the axis of the tank body are parallel to the axis of the tank body, the distance between the liquid adding port and the bottom of the tank body is not less than 1/2 of the height of the tank body, an exhaust port is arranged on the upper end face of the tank body and is communicated with the pressure regulating pump through an air guide pipe, the pressure, The temperature sensor is located in the tank body and connected with the inner surface of the tank body, the liquid level sensor and the air pressure sensor are located at least 5 cm above the axes of the liquid filling opening and the liquid outlet, the forced liquid discharge pipe is embedded in the tank body, one end of the forced liquid discharge pipe is connected with the bottom of the tank body and is distributed in parallel with the axes of the tank body, the other end of the forced liquid discharge pipe is communicated with the liquid outlet, and the pressure regulating pump, the liquid level sensor, the air pressure sensor, the pressure regulating valve and the temperature sensor are all electrically.
Furthermore, the adjusting mechanism comprises a guide slide rail, a three-dimensional rotary table, a three-dimensional displacement table, a displacement driving mechanism and a positioning fixture, wherein the guide slide rail is hinged to the bearing keel through the three-dimensional rotary table and forms an included angle of 0-90 degrees with the horizontal plane, the rear end face of the three-dimensional displacement table is in sliding connection with the guide slide rail through the displacement driving mechanism, the displacement driving mechanism is embedded in the guide slide rail and is coaxially distributed with the guide slide rail, at least one positioning fixture is connected with the front end face of the three-dimensional displacement table and is vertically distributed, the axis of the positioning fixture is parallel to the axis of the guide slide rail, and the three-dimensional rotary table, the three-dimensional displacement table, the displacement driving mechanism and the positioning fixture are electrically.
Furthermore, the displacement driving mechanism is any one of an electric telescopic rod, a screw rod mechanism, a gear rack mechanism and a worm and gear mechanism.
Further, the interface of unloading include attach fitting, range unit, the sensor that targets in place, protecting crust, location buckle, the protecting crust be with the coaxial hollow column structure who distributes of attach fitting, the cladding is outside attach fitting and through an at least spout sliding connection with the attach fitting surface, the terminal surface surpasss terminal surface 0-10 centimetres before the attach fitting before the protecting crust, range unit, the sensor that targets in place all at least one, inlay in the protecting crust surface and encircle the attach fitting axis equipartition, just range unit, sensor axis and the attach fitting axis parallel distribution that targets in place, location buckle is two at least, inlays in the protecting crust preceding terminal surface and encircles the protecting crust axis equipartition.
Furthermore, the drive control system comprises an intelligent control terminal and at least one drive control circuit, wherein when the number of the drive control circuits is two or more, the drive control circuits are connected in parallel and are electrically connected with the intelligent control terminal through a communication gateway, the drive control circuit is a circuit system based on any one or more of a CPLD, a PLC and an FPGA, and is respectively and electrically connected with the drive control system and the negative pressure unloading pump, the air elimination mechanism, the gas-liquid separation mechanism, the booster pump and the regulating valve; the intelligent control terminal is a circuit system based on an AI intelligent auxiliary module, and the intelligent control terminal is additionally provided with at least one data communication bus module.
A liquid medium metering unloading control system and a use method thereof comprise the following steps;
s1, assembling equipment, namely, firstly assembling a bearing base, a bearing keel, an unloading interface, a hard unloading guide pipe, a drainage pipe, an exhaust pipe, a negative pressure unloading pump, an air eliminating mechanism, a gas-liquid separating mechanism, a booster pump, a hard liquid discharge pipe, a connector head, a regulating valve and a drive control system which form the invention, then installing the assembled invention at a specified working position through the bearing base, then communicating the connector head of the invention with an external liquid material collecting system, communicating the gas-liquid separating mechanism with an external tail gas purifying system and a waste liquid collecting system, and finally communicating the drive control system with an external power supply system and a remote control system, and meanwhile, arranging a parking area at a position corresponding to the unloading interface of the invention, wherein the parking area is consistent with the number of the unloading interface, thus completing the assembly of the invention;
s2, connecting the vehicles, after the step S1 is completed, firstly parking the vehicle to be unloaded in a parking area, then determining the alignment position between the unloading interface and the vehicle unloading pipeline interface through the unloading interface, the distance measuring device and the in-place sensor, adjusting the hard unloading guide pipe and the unloading interface position connected with the hard unloading guide pipe through the adjusting mechanism according to the detection result, and enabling the unloading interface to be communicated with and locked with the unloading pipeline of the vehicle through the positioning buckle, thereby completing the pipeline connection;
s3, unloading operation, wherein after the step S2 is completed, on one hand, the vehicle pressurizes the liquid medium to be unloaded through a pressurizing system of the vehicle, and drives the liquid medium to be conveyed to the unloading device from a storage tank of the vehicle; on the other hand, the negative pressure unloading pump of the invention is driven to run, the pressure in the hard unloading guide pipe is reduced, the liquid medium conveying power is increased together with a vehicle self pressurization system, the liquid medium conveying power is improved, the pressurized liquid medium directly enters the air elimination mechanism, the temperature, the air pressure and the liquid storage quantity of the liquid medium in the tank body of the air elimination mechanism are detected through the liquid level sensor, the air pressure sensor and the temperature sensor of the air elimination mechanism, the air pressure in the tank body is 0.1-0.5 times of the external air pressure, the distance between the liquid level of the liquid in the tank body and the upper end surface of the tank body is not less than 20 percent of the height of the tank body, the liquid medium is pressurized through the booster pump after entering the tank body and standing for 10-120 minutes and is conveyed to the hard liquid discharge pipe, and finally is conveyed to the external liquid medium collection system through the connection, thereby completing the liquid medium unloading operation, wherein the mixed gas containing liquid steam and liquid beads generated during the operation of the negative pressure unloading pump and the air eliminating mechanism is separated and purified by the gas-liquid separating mechanism, wherein the separated liquid medium is recycled again, and the gas is discharged into the air after being purified.
On one hand, the system has high integration degree, flexible and convenient use and good universality, can effectively meet the matched running requirements of various liquid medium transport vehicles, can also effectively meet the requirements of various liquid medium unloading running operations in different houses and with chemical characteristics, can eliminate bubbles when liquid materials flow, and effectively improves the precision of liquid conveying and metering and the stability of conveying; on the other hand, the working efficiency of the liquid medium conveying operation can be effectively improved, material loss and corrosion to the storage and conveying equipment caused by residue in the storage equipment and the conveying equipment when the liquid medium is unloaded due to insufficient power are prevented, and liquid medium loss and environmental pollution caused by steam leakage of the liquid medium-based liquid medium can be effectively prevented, so that the unloading operation quality and reliability of the liquid medium are greatly improved.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the air elimination mechanism;
FIG. 3 is a structural view of an adjusting mechanism;
FIG. 4 is a schematic structural view of an unloading interface;
FIG. 5 is a flow chart of the method of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, a liquid medium metering unloading control system comprises a bearing base 1, a bearing keel 2, unloading interfaces 3, a hard unloading guide pipe 5, a drainage pipe 6, an exhaust pipe 7, a negative pressure unloading pump 8, an air eliminating mechanism 9, a gas-liquid separating mechanism 10, a booster pump 11, a hard discharge pipe 12, a connector 13, a regulating valve 14 and a drive control system 15, wherein the bearing base 1 is a rectangular frame plate-shaped structure with a cross section parallel to a horizontal plane, the bearing keel 2 is a frame structure with a cross section shaped like 'Jiong', the bearing keel is coated on the upper end surface of the bearing base 1 and forms a rectangular frame cavity structure with the bearing base 1, at least two unloading interfaces 3 are provided, each unloading interface 3 is positioned outside the front end surface of the bearing keel 2 and connected in parallel, the rear end surface of the unloading interface 3 is communicated with the hard unloading guide pipe 5, at least 1/4 parts of the effective length of the hard unloading guide pipe 5 are embedded in the bearing keel, the device is hinged with a bearing keel 2 through an adjusting mechanism 16, the axis of a rigid unloading guide pipe 5 forms an included angle of 0-180 degrees with the horizontal plane, the rigid unloading guide pipes 5 are connected in parallel and are communicated with an adjusting valve 14 through a drainage pipe 6, the adjusting valve 14 is communicated with a negative pressure unloading pump 8 through the drainage pipe 6, at least one negative pressure unloading pump 8 is arranged, the negative pressure unloading pump 8 is connected with the upper end surface of a bearing base 1 and is positioned in the bearing keel 2, the negative pressure unloading pump 8 is communicated with one end of an air eliminating mechanism 9 through the drainage pipe 6, the other end of the air eliminating mechanism 9 is communicated with a rigid liquid discharge pipe 12 through a booster pump 11, at least one booster pump 11 is arranged, the booster pumps 11 are connected in parallel and are respectively communicated with the air eliminating mechanism 9 and the rigid liquid discharge pipe 12 through the drainage pipe 6, the negative pressure unloading pump 8 and the air eliminating mechanism 9 are both communicated, the air eliminating mechanism 9, the gas-liquid separating mechanism 10 and the booster pump 11 are all located in the bearing keel 2 and connected with the upper end face of the bearing base 1, the hard liquid discharge pipe 12 is hinged with the bearing keel 2 through the adjusting mechanism 16, the axis of the hard liquid discharge pipe and the horizontal plane form an included angle of 0-180 degrees, the rear half part of the hard liquid discharge pipe 12 is located in the bearing keel 2, the front half part of the hard liquid discharge pipe is located outside the rear end face of the bearing keel 2 and communicated with the connector 13, the connector 13 and the hard liquid discharge pipe 12 are coaxially distributed, the connector 13 exceeds the rear end face of the bearing keel 2 by at least 10 centimeters, the driving control system 15 is connected with the upper end face of the bearing base 1 and embedded in the side surface of the bearing keel 2, and the driving control system 15 is respectively electrically connected with the negative pressure unloading pump 8, the.
In this embodiment, the negative pressure unloading pump 8, the air eliminating mechanism 9, the gas-liquid separating mechanism 10, the booster pump 11, the control valve 14 and the upper end surface of the bearing base 1 are connected in a sliding manner through a sliding chute 17, the negative pressure unloading pump 8, the air eliminating mechanism 9, the gas-liquid separating mechanism 10, the booster pump 11, the control valve 14, the hard unloading guide pipe 5, the hard liquid discharge pipe 12, the drainage pipe 6, the exhaust pipe 7, the unloading interface 3 and the connector head 13 are communicated through the control valve 4, and the control valve 4 is electrically connected with the drive control system 15 respectively.
It is important to point out that the air elimination mechanism 9 includes a tank 91, a pressure regulating pump 92, a liquid level sensor 93, an air pressure sensor 94, a pressure regulating valve 95, a temperature sensor 96 and a forced liquid discharge pipe 97, wherein the tank 91 is a closed cavity structure with an axis parallel to the horizontal plane, a liquid inlet 98 and a liquid outlet 99 are respectively arranged on the front end surface and the rear end surface, the liquid inlet 98 is communicated with the negative pressure unloading pump 8, the liquid outlet 99 is communicated with the hard liquid discharge pipe 12, the liquid inlet 98 and the liquid outlet 99 are coaxially arranged, the axis is parallel to the axis of the tank 91, the distance between the liquid inlet 98 and the liquid outlet 99 and the bottom of the tank 91 is not less than 1/2 of the height of the tank 91, an exhaust port 90 is arranged on the upper end surface of the tank 91, the exhaust port 90 is communicated with the pressure regulating pump 92 through an air duct, the pressure regulating pump 92 is connected with the upper end surface of the tank, the liquid level sensor 93, the air pressure sensor 94 and the temperature sensor 96 are all located in the tank body 91 and connected with the inner surface of the tank body 91, wherein the liquid level sensor 93 and the air pressure sensor 94 are located at least 5 cm above the axes of the liquid filling opening 98 and the liquid outlet 99, the forced liquid discharge pipe 12 is embedded in the tank body 91, one end of the forced liquid discharge pipe is connected with the bottom of the tank body 91 and is distributed in parallel with the axis of the tank body 91, the other end of the forced liquid discharge pipe is communicated with the liquid outlet 99, and the pressure regulating pump 92, the liquid level sensor 93, the air pressure sensor 94, the pressure regulating valve 95 and the temperature sensor.
Meanwhile, the adjusting mechanism 16 includes a guide slide rail 161, a three-dimensional turntable 162, a three-dimensional displacement table 163, a displacement driving mechanism 164 and a positioning fixture 165, the guide slide rail 161 is hinged to the bearing keel 2 through the three-dimensional turntable 162 and forms an included angle of 0-90 degrees with the horizontal plane, the rear end face of the three-dimensional displacement table 163 is slidably connected with the guide slide rail 161 through the displacement driving mechanism 164, the displacement driving mechanism 164 is embedded in the guide slide rail 161 and coaxially distributed with the guide slide rail 161, at least one positioning fixture 165 is connected with the front end face of the three-dimensional displacement table 163 and vertically distributed, the axis of the positioning fixture 165 is parallel to the axis of the guide slide rail 161, and the three-dimensional turntable 162, the three-dimensional displacement table 163, the displacement driving mechanism 164 and the positioning fixture 165 are all electrically connected with the drive control.
Preferably, the displacement driving mechanism 164 is any one of an electric telescopic rod, a screw rod mechanism, a rack and pinion mechanism, and a worm and gear mechanism.
In addition, the unloading interface 3 include attach fitting 31, range unit 32, the sensor 33 that targets in place, protecting crust 34, location buckle 35, protecting crust 34 be the hollow columnar structure with attach fitting 31 coaxial distribution, the cladding is outside attach fitting 31 and with attach fitting 31 surface through at least one spout slip 36 sliding connection, protecting crust 34 preceding terminal surface surpasss attach fitting 31 preceding terminal surface 0-10 centimetres, range unit 32, the sensor 33 that targets in place all at least one, inlay in protecting crust 34 surface and encircle attach fitting 31 axis equipartition, just range unit 32, sensor 33 axis and attach fitting 31 axis parallel distribution that targets in place, location buckle 35 at least two, inlay in protecting crust 34 preceding terminal surface and encircle protecting crust 34 axis equipartition.
It should be noted that the drive control system 15 includes an intelligent control terminal and at least one drive control circuit, and when the number of the drive control circuits is two or more, the drive control circuits are connected in parallel with each other and are electrically connected with the intelligent control terminal through a communication gateway, wherein the drive control circuit is a circuit system based on any one or more of CPLD, PLC and FPGA, and is respectively electrically connected with the drive control system and the negative pressure unloading pump 8, the air eliminating mechanism 9, the gas-liquid separating mechanism 10, the booster pump 11 and the regulating valve 14; the intelligent control terminal is a circuit system based on an AI intelligent auxiliary module, and the intelligent control terminal is additionally provided with at least one data communication bus module.
As shown in FIG. 5, a method of using a liquid medium metering unloading control system and method includes the following steps;
s1, assembling equipment, namely, firstly assembling a bearing base, a bearing keel, an unloading interface, a hard unloading guide pipe, a drainage pipe, an exhaust pipe, a negative pressure unloading pump, an air eliminating mechanism, a gas-liquid separating mechanism, a booster pump, a hard liquid discharge pipe, a connector head, a regulating valve and a drive control system which form the invention, then installing the assembled invention at a specified working position through the bearing base, then communicating the connector head of the invention with an external liquid material collecting system, communicating the gas-liquid separating mechanism with an external tail gas purifying system and a waste liquid collecting system, and finally communicating the drive control system with an external power supply system and a remote control system, and meanwhile, arranging a parking area at a position corresponding to the unloading interface of the invention, wherein the parking area is consistent with the number of the unloading interface, thus completing the assembly of the invention;
s2, connecting the vehicles, after the step S1 is completed, firstly parking the vehicle to be unloaded in a parking area, then determining the alignment position between the unloading interface and the vehicle unloading pipeline interface through the unloading interface, the distance measuring device and the in-place sensor, adjusting the hard unloading guide pipe and the unloading interface position connected with the hard unloading guide pipe through the adjusting mechanism according to the detection result, and enabling the unloading interface to be communicated with and locked with the unloading pipeline of the vehicle through the positioning buckle, thereby completing the pipeline connection;
s3, unloading operation, wherein after the step S2 is completed, on one hand, the vehicle pressurizes the liquid medium to be unloaded through a pressurizing system of the vehicle, and drives the liquid medium to be conveyed to the unloading device from a storage tank of the vehicle; on the other hand, the negative pressure unloading pump of the invention is driven to run, the pressure in the hard unloading guide pipe is reduced, the liquid medium conveying power is increased together with a vehicle self pressurization system, the liquid medium conveying power is improved, the pressurized liquid medium directly enters the air elimination mechanism, the temperature, the air pressure and the liquid storage quantity of the liquid medium in the tank body of the air elimination mechanism are detected through the liquid level sensor, the air pressure sensor and the temperature sensor of the air elimination mechanism, the air pressure in the tank body is 0.1-0.5 times of the external air pressure, the distance between the liquid level of the liquid in the tank body and the upper end surface of the tank body is not less than 20 percent of the height of the tank body, the liquid medium is pressurized through the booster pump after entering the tank body and standing for 10-120 minutes and is conveyed to the hard liquid discharge pipe, and finally is conveyed to the external liquid medium collection system through the connection, thereby completing the liquid medium unloading operation, wherein the mixed gas containing liquid steam and liquid beads generated during the operation of the negative pressure unloading pump and the air eliminating mechanism is separated and purified by the gas-liquid separating mechanism, wherein the separated liquid medium is recycled again, and the gas is discharged into the air after being purified.
On one hand, the system has high integration degree, flexible and convenient use and good universality, can effectively meet the matched running requirements of various liquid medium transport vehicles, can also effectively meet the requirements of various liquid medium unloading running operations in different houses and with chemical characteristics, can eliminate bubbles when liquid materials flow, and effectively improves the precision of liquid conveying and metering and the stability of conveying; on the other hand, the working efficiency of the liquid medium conveying operation can be effectively improved, material loss and corrosion to the storage and conveying equipment caused by residue in the storage equipment and the conveying equipment when the liquid medium is unloaded due to insufficient power are prevented, and liquid medium loss and environmental pollution caused by steam leakage of the liquid medium-based liquid medium can be effectively prevented, so that the unloading operation quality and reliability of the liquid medium are greatly improved.
It will be appreciated by persons skilled in the art that the present invention is not limited by the embodiments described above. The foregoing embodiments and description have been presented only to illustrate the principles of the invention. Various changes and modifications can be made without departing from the spirit and scope of the invention. Such variations and modifications are intended to be within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A liquid medium metering unloading control system is characterized in that: the liquid medium metering unloading control system comprises a bearing base, a bearing keel, an unloading interface, a hard unloading guide pipe, a drainage pipe, an exhaust pipe, a negative pressure unloading pump, an air eliminating mechanism, a gas-liquid separating mechanism, a booster pump, a hard liquid discharge pipe, a connector head, a regulating valve and a drive control system, wherein the bearing base is a rectangular frame plate-shaped structure with the cross section parallel to the horizontal plane, the bearing keel is a frame structure with the cross section shaped like 'Jiong', the bearing keel is coated on the upper end surface of the bearing base and forms a rectangular frame cavity structure with the bearing base, the unloading interfaces are at least two, each unloading interface is positioned outside the front end surface of the bearing keel and connected in parallel, the rear end surface of the unloading interface is communicated with the hard unloading guide pipe, and at least 1/4 parts of the effective length of the hard unloading guide pipe are embedded in the bearing keel, and articulated on with bearing fossil fragments through adjustment mechanism, just stereoplasm blast pipe axis of unloading and level personally submit 0 ~ 180 contained angle, connect in parallel each other between stereoplasm blast pipe of unloading to communicate with governing valve through the drainage tube, the governing valve passes through drainage tube and negative pressure uninstallation pump intercommunication, negative pressure uninstallation pump at least one, and negative pressure uninstallation pump and bear the weight of the end connection of base up, and for being located bearing fossil fragments, negative pressure uninstallation pump passes through drainage tube and air elimination mechanism one end intercommunication, the air elimination mechanism other end passes through booster pump and stereoplasm fluid-discharge tube intercommunication, just at least one of booster pump, connect in parallel each other between each booster pump, and respectively with air elimination mechanism and stereoplasm fluid-discharge tube intercommunication through the drainage tube, negative pressure uninstallation pump, air elimination mechanism all communicate with gas-liquid separation mechanism through the blast pipe, air elimination mechanism, Gas-liquid separation mechanism and booster pump all are located and bear fossil fragments and with bear the base up end and be connected, the stereoplasm flowing back pipe is articulated through adjustment mechanism and bearing fossil fragments, and its axis is personally submitted 0-180 contained angle with the level, just the stereoplasm flowing back pipe latter half is located and bears fossil fragments rear end face outward and with connector tube head intercommunication, connector tube head and the coaxial distribution of stereoplasm flowing back pipe, and the connector tube head surpasss and bear fossil fragments rear end face at least 10 centimetres, drive control system is connected with bearing the base up end to inlay in bearing the fossil fragments side surface, just drive control system respectively with negative pressure uninstallation pump, air elimination mechanism, gas-liquid separation mechanism, booster pump and governing valve electrical connection.
2. A liquid media metering unloading control system and method as claimed in claim 1, wherein: negative pressure uninstallation pump, air elimination mechanism, gas-liquid separation mechanism, booster pump and control valve and bear and pass through spout sliding connection between the base up end, just negative pressure uninstallation pump, air elimination mechanism, gas-liquid separation mechanism, booster pump, control valve, stereoplasm honeycomb duct and stereoplasm fluid-discharge tube and drainage tube, blast pipe, interface and connector head of unloading communicate through the control valve between, the control valve respectively with drive control system electrical connection.
3. A liquid media metering unloading control system and method as claimed in claim 1, wherein: the air eliminating mechanism comprises a tank body, a pressure regulating pump, a liquid level sensor, an air pressure sensor, a pressure regulating valve, a temperature sensor and a forced liquid discharge pipe, wherein the tank body is of a closed cavity structure with the axis parallel to the horizontal plane, the front end surface and the rear end surface of the tank body are respectively provided with a liquid feeding port and a liquid outlet, the liquid feeding port is communicated with a negative pressure unloading pump, the liquid outlet is communicated with the hard liquid discharge pipe, the liquid feeding port and the liquid outlet are coaxially distributed, the axis of the liquid feeding port and the axis of the tank body are parallel to each other, the distance between the liquid feeding port and the bottom of the tank body is not less than 1/2 of the height of the tank body, the upper end surface of the tank body is provided with an exhaust port, the exhaust port is communicated with the pressure regulating pump through an air duct, the pressure regulating pump is communicated with the air, and the liquid level sensor and the air pressure sensor are positioned at least 5 cm above the axes of the liquid filling opening and the liquid outlet, the forced liquid discharge pipe is embedded in the tank body, one end of the forced liquid discharge pipe is connected with the bottom of the tank body and is distributed in parallel with the axes of the tank body, the other end of the forced liquid discharge pipe is communicated with the liquid outlet, and the pressure regulating pump, the liquid level sensor, the air pressure sensor, the pressure regulating valve and the temperature sensor are all electrically connected with the driving control system.
4. A liquid media metering unloading control system and method as claimed in claim 1, wherein: the adjusting mechanism comprises a guide sliding rail, a three-dimensional rotary table, a three-dimensional displacement table, a displacement driving mechanism and a positioning fixture, the guide sliding rail is hinged to the bearing keel through the three-dimensional rotary table and forms an included angle of 0-90 degrees with the horizontal plane, the rear end face of the three-dimensional displacement table is in sliding connection with the guide sliding rail through the displacement driving mechanism, the displacement driving mechanism is embedded in the guide sliding rail and is coaxially distributed with the guide sliding rail, at least one positioning fixture is connected with the front end face of the three-dimensional displacement table and is vertically distributed, the axis of the positioning fixture is parallel to the axis of the guide sliding rail, and the three-dimensional rotary table, the three-dimensional displacement table, the displacement driving mechanism and the positioning fixture are.
5. A liquid medium metering unloading control system and method as claimed in claim 4, wherein: the displacement driving mechanism is any one of an electric telescopic rod, a screw rod mechanism, a gear rack mechanism and a worm and gear mechanism.
6. A liquid media metering unloading control system and method as claimed in claim 1, wherein: the interface of unloading include attach fitting, range unit, the sensor that targets in place, protecting crust, location buckle, the protecting crust be with the coaxial hollow columnar structure who distributes of attach fitting, the cladding pass through an at least spout sliding connection outside attach fitting and with the attach fitting surface, the terminal surface surpasss terminal surface 0-10 centimetres before the attach fitting before the protecting crust, range unit, the sensor that targets in place all at least one, inlay in the protecting crust surface and encircle the attach fitting axis equipartition, just range unit, the sensor axis that targets in place and attach fitting axis parallel distribution, location buckle two at least, inlay in the protecting crust preceding terminal surface and encircle the protecting crust axis equipartition.
7. A liquid media metering unloading control system and method as claimed in claim 1, wherein: the drive control system comprises an intelligent control terminal and at least one drive control circuit, wherein when the number of the drive control circuits is two or more, the drive control circuits are connected in parallel and are electrically connected with the intelligent control terminal through a communication gateway, the drive control circuit is a circuit system based on any one or more of CPLD, PLC and FPGA, and is respectively and electrically connected with the drive control system and the negative pressure unloading pump, the air eliminating mechanism, the gas-liquid separating mechanism, the booster pump and the regulating valve; the intelligent control terminal is a circuit system based on an AI intelligent auxiliary module, and the intelligent control terminal is additionally provided with at least one data communication bus module.
8. A liquid medium metering unloading control system and a using method thereof are characterized in that: the using method of the liquid medium metering unloading control system and the method comprises the following steps;
s1, assembling equipment, namely, firstly assembling a bearing base, a bearing keel, an unloading interface, a hard unloading guide pipe, a drainage pipe, an exhaust pipe, a negative pressure unloading pump, an air eliminating mechanism, a gas-liquid separating mechanism, a booster pump, a hard liquid discharge pipe, a connector head, a regulating valve and a drive control system which form the invention, then installing the assembled invention at a specified working position through the bearing base, then communicating the connector head of the invention with an external liquid material collecting system, communicating the gas-liquid separating mechanism with an external tail gas purifying system and a waste liquid collecting system, and finally communicating the drive control system with an external power supply system and a remote control system, and meanwhile, arranging a parking area at a position corresponding to the unloading interface of the invention, wherein the parking area is consistent with the number of the unloading interface, thus completing the assembly of the invention;
s2, connecting the vehicles, after the step S1 is completed, firstly parking the vehicle to be unloaded in a parking area, then determining the alignment position between the unloading interface and the vehicle unloading pipeline interface through the unloading interface, the distance measuring device and the in-place sensor, adjusting the hard unloading guide pipe and the unloading interface position connected with the hard unloading guide pipe through the adjusting mechanism according to the detection result, and enabling the unloading interface to be communicated with and locked with the unloading pipeline of the vehicle through the positioning buckle, thereby completing the pipeline connection;
s3, unloading operation, wherein after the step S2 is completed, on one hand, the vehicle pressurizes the liquid medium to be unloaded through a pressurizing system of the vehicle, and drives the liquid medium to be conveyed to the unloading device from a storage tank of the vehicle; on the other hand, the negative pressure unloading pump of the invention is driven to run, the pressure in the hard unloading guide pipe is reduced, the liquid medium conveying power is increased together with a vehicle self pressurization system, the liquid medium conveying power is improved, the pressurized liquid medium directly enters the air elimination mechanism, the temperature, the air pressure and the liquid storage quantity of the liquid medium in the tank body of the air elimination mechanism are detected through the liquid level sensor, the air pressure sensor and the temperature sensor of the air elimination mechanism, the air pressure in the tank body is 0.1-0.5 times of the external air pressure, the distance between the liquid level of the liquid in the tank body and the upper end surface of the tank body is not less than 20 percent of the height of the tank body, the liquid medium is pressurized through the booster pump after entering the tank body and standing for 10-120 minutes and is conveyed to the hard liquid discharge pipe, and finally is conveyed to the external liquid medium collection system through the connection, thereby completing the liquid medium unloading operation, wherein the mixed gas containing liquid steam and liquid beads generated during the operation of the negative pressure unloading pump and the air eliminating mechanism is separated and purified by the gas-liquid separating mechanism, wherein the separated liquid medium is recycled again, and the gas is discharged into the air after being purified.
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| CN202011297935.2A CN112499573A (en) | 2020-11-19 | 2020-11-19 | Liquid medium metering unloading control system and method |
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| CN202011297935.2A CN112499573A (en) | 2020-11-19 | 2020-11-19 | Liquid medium metering unloading control system and method |
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Application publication date: 20210316 |