CN216935903U - Improve ratio conveyor of fluid mixing degree of consistency - Google Patents
Improve ratio conveyor of fluid mixing degree of consistency Download PDFInfo
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- CN216935903U CN216935903U CN202123392739.6U CN202123392739U CN216935903U CN 216935903 U CN216935903 U CN 216935903U CN 202123392739 U CN202123392739 U CN 202123392739U CN 216935903 U CN216935903 U CN 216935903U
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- 238000002156 mixing Methods 0.000 title claims abstract description 127
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- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 230000001276 controlling effect Effects 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000013461 design Methods 0.000 abstract description 9
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- 238000005555 metalworking Methods 0.000 description 12
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000010730 cutting oil Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 239000002826 coolant Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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- 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
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Abstract
The utility model discloses a proportioning delivery device for improving the mixing uniformity of fluid, which comprises a fluid delivery mechanism, a medium delivery mechanism and a mixed liquid output mechanism, wherein the fluid delivery mechanism and the medium delivery mechanism are connected with the mixed liquid output mechanism through a mixing device, so that the uniform mixing proportion of the fluid and the medium is realized. The utility model can prolong the retention time of the fluid in the mixing device and improve the mixing uniformity of the fluid and the medium through the design of the mixing device.
Description
Technical Field
The utility model relates to a proportioning delivery device for improving the mixing uniformity of fluid.
Background
The numerical control machine tool is the most important processing equipment in the equipment manufacturing industry, is widely applied to the fields of aviation, aerospace, ships, automobile molds and the like, and is known as an industrial master machine. Metal working fluids such as machine tool cutting fluid, lubricating oil, cooling fluid and the like are important auxiliary parts of the numerical control machine tool, and have the effects of reducing cutting heat, cleaning the surface of a part, lubricating and preventing rust and the like in the machining process, so that the quality of the machined part is ensured. Because the smear metal that the digit control machine tool produced during cutting machining can take away a large amount of cutting fluids, and has the weeping, volatilize the circumstances such as, can make cutting fluid capacity and concentration all be sharp decline trend in long-time production process, the digit control machine tool uses for a long time simultaneously can cause metal working fluids such as lubricating oil, coolant liquid constantly to reduce, need in time add corresponding metal working fluid just can guarantee the normal work of digit control machine tool.
When metal working fluid in the prior art is mixed and proportioned through an electronic proportioning mechanism, the output position of the metal working fluid and the output position of water are generally in hedging or output towards the same direction, so that the metal working fluid and the water are directly output under the condition of incomplete and uniform mixing, and the proportioning effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a technical scheme of a proportioning and conveying device for improving the mixing uniformity of fluid, aiming at the defects in the prior art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides an improve ratio conveyor of fluid mixing degree of consistency which characterized in that: the device comprises a fluid conveying mechanism, a medium conveying mechanism and a mixed liquid output mechanism, wherein the fluid conveying mechanism and the medium conveying mechanism are connected with the mixed liquid output mechanism through a mixing device, so that the uniform mixing proportion of fluid and medium is realized; through the design of the mixing device, the residence time of the fluid in the mixing device can be prolonged, and the mixing uniformity of the fluid and the medium is improved.
Further, the mixing device is of a hollow tank structure, a piston tank structure or a coil structure.
Further, be equipped with exhaust assembly on the mixing arrangement for gas in the release mixing arrangement, exhaust assembly can adopt the blast pipe that has discharge valve, or adopt the pressure release passageway or adopt the relief valve, because the fluid in the mixing arrangement and the long-time mixing of medium can produce the bubble, directly discharges the bubble or carries out the pressure release through exhaust apparatus, prevents that the bubble from getting into the pipeline, improves the precision of measurement.
Furthermore, the fluid conveying mechanism is provided with a first control valve for controlling the input amount of the fluid, the medium conveying mechanism is provided with a second control valve for controlling the input amount of the medium, and the flow of the fluid and the medium is accurately regulated by controlling the opening and closing degrees of the first control valve and the second control valve, so that the fluid proportioning ratio can be regulated at will, the precision of the mixing proportion is improved, and the range of the mixing proportion is enlarged.
The fluid conveying mechanism further comprises a fluid conveying pipe, a fluid metering assembly used for detecting the conveying amount of the fluid and a fluid power assembly used for providing power for fluid conveying are arranged on the fluid conveying pipe, the fluid metering assembly is preferably a flow meter and used for obtaining flow data of the fluid conveying in the fluid conveying pipe, the fluid power assembly is a metering pump or a common pump, and the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a water hammer pump or a volumetric pump.
Further, the medium conveying mechanism comprises a medium conveying pipe, a medium metering component used for detecting the conveying amount of the medium is arranged on the medium conveying pipe, and the medium metering component is preferably a flowmeter and used for acquiring flow data of the medium conveying in the medium conveying pipe.
Further, the first control valve and the second control valve are stop valves, electromagnetic valves or flow regulating valves.
Further, mix liquid output mechanism and include that first mixed liquid drain pipe and second mix the liquid drain pipe, first mixed liquid drain pipe and second mix the liquid drain pipe and all connect mixing arrangement, and first mixed liquid drain pipe is used for carrying out closely mixed liquid and carries, and the mixed liquid drain pipe of second is used for carrying out remote transport with mixed liquid.
Further, a mixed liquid power assembly used for conveying mixed liquid to provide power is arranged on the second mixed liquid outlet pipe, the mixed liquid power assembly is a metering pump or a common pump, and the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a hydraulic ram pump or a positive displacement pump.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the utility model can prolong the retention time of the fluid in the mixing device and improve the mixing uniformity of the fluid and the medium through the design of the mixing device.
Description of the drawings:
the utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a diagram of the connections between the pumps, valves, and flow meters of the various reservoirs of a proportioner delivery apparatus of the present invention to improve the uniformity of fluid mixing;
FIG. 2 is an effect diagram of the control cabinet of the present invention;
FIG. 3 is a schematic view of the internal structure of the control cabinet of the present invention;
FIG. 4 is a schematic view of the mixing device of the present invention.
In the figure: 1-a control cabinet; 101-a touch screen; 102-emergency stop switch;
202-a liquid storage tank;
301-a fluid delivery tube; 302-a fluid metering assembly; 303-a hydrodynamic component; 304-a first control valve; 305-a first valve;
402-a media metering assembly; 403-a media transport tube; 404-a second control valve;
5-a mixing device; 501, an exhaust pipe; 502-exhaust valve;
601-a first mixed liquid outlet pipe; 602-a second mixed liquid outlet pipe; 603-a second valve; 604-a third valve; 605-a mixed hydraulic power assembly; 606-hanging the gun.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
Example 1 (fluid mixing and proportioning delivery by metering pump with stop valve or electromagnetic valve)
As shown in fig. 1 to 4, a proportioning and conveying device for improving fluid mixing uniformity of the present invention includes a fluid conveying mechanism, a medium conveying mechanism and a mixed liquid output mechanism, the fluid conveying mechanism, the medium conveying mechanism and the mixed liquid output mechanism are all installed on a control cabinet 1, three fluid conveying mechanisms are respectively connected with three liquid storage devices for storing fluid, and a design that one control cabinet 1 corresponds to three liquid storage devices is adopted, which not only can meet the use requirement of a factory on metal working fluid, but also is convenient for pipeline layout and is convenient for later maintenance, but is not limited to the above connection manner, and one control cabinet 1 corresponds to one liquid storage device, or one control cabinet 1 corresponds to two liquid storage devices, or one control cabinet 1 corresponds to more than three liquid storage devices, and particularly, a corresponding number of liquid storage devices can be selected according to the actual use requirement, three liquid storage devices are preferably selected for the requirements of direct fluid delivery, close fluid delivery and long fluid delivery.
The liquid storage device comprises a box body and a liquid storage tank 202, the liquid storage tank 202 is provided with a liquid level sensor used for detecting the liquid level height of fluid, the liquid level sensor is electrically connected with the controller, the liquid storage tank 202 is used for storing the fluid, the liquid level sensor can detect the liquid level height of the fluid in the liquid storage tank 202, the fluid is convenient to add in time, and continuous work of the proportioning conveying equipment is ensured. The reservoir 202 is preferably a ton bucket.
The fluid specifically refers to metal working fluid and comprises cutting fluid, cutting oil, emulsion, hydraulic oil, quenching liquid, rolling liquid, guide rail oil, grinding fluid, rust removing oil, cleaning agent, stretching oil, lubricating oil, cooling liquid, release agent and the like. The medium is mainly water, but is not limited to water, and can be other liquids.
A control system is installed on the control cabinet 1 and specifically comprises a controller, a touch screen 101 and an emergency stop switch 102, the emergency stop switch 102 and the touch screen 101 are electrically connected with the controller, and the emergency stop switch 102 is used for forcibly stopping the fluid proportioning conveying equipment. The controller may be a PLC controller or an integrated circuit. Meanwhile, an indicator lamp can be arranged, when the hanging gun 606 is taken to convey fluid, the corresponding indicator lamp is turned on, and when the hanging gun 606 is placed on the control cabinet 1, the indicator lamp is turned off, so that the hanging gun is not limited to the lighting mode in practical use.
The fluid conveying mechanism and the medium conveying mechanism are connected with the mixed liquid output mechanism through the mixing device 5, so that the uniform mixing proportion of the fluid and the medium is realized; by the design of the mixing device 5, the residence time of the fluid in the mixing device 5 can be prolonged, and the mixing uniformity of the fluid and the medium can be improved. The mixing device 5 is a hollow tank structure, a piston type tank structure or a coil structure, when the hollow tank structure is adopted, the hollow tank structure can adopt a Venturi tank or a cylindrical tank, fluid can be conveyed from bottom to top or from top to bottom along the inside of the hollow tank, and a medium is input along the tangential direction of the hollow tank structure, so that the fluid and the medium form a vortex shape in a cavity of the hollow tank structure, the retention time of the fluid in the hollow tank structure is prolonged, the mixing uniformity of the fluid and the medium is improved, and meanwhile, in order to delay the flow of the fluid in the hollow tank structure, a guide plate can be spirally distributed or a grid can be added, so that the mixing of the fluid and the medium is promoted; when adopting piston tank structure, can improve the mixed degree of consistency of fluid and medium through the piston, when through the coil structure, can make fluid and medium flow along the coil pipe, improve and mix the degree of consistency.
Be equipped with exhaust assembly on mixing arrangement 5 for the gas in the release mixing arrangement 5, exhaust assembly can adopt the blast pipe 501 that has discharge valve 502, or adopt the pressure release passageway or adopt the relief valve, because the fluid in mixing arrangement 5 and the long-time mixing of medium can produce the bubble, directly discharges the bubble or carries out the pressure release through exhaust apparatus, prevents that the bubble from getting into the pipeline, improves the precision of measurement.
The fluid conveying mechanism is provided with a first control valve 304 for controlling the input amount of fluid, the medium conveying mechanism is provided with a second control valve 404 for controlling the input amount of medium, and the flow rates of the fluid and the medium are accurately adjusted by controlling the opening degree of the first control valve 304 and the second control valve 404, so that the fluid proportioning ratio can be adjusted at will, the precision of the mixing proportion is improved, and the range of the mixing proportion is enlarged. The first control valve 304 and the second control valve 404 are both close to the mixing device 5, improving the control accuracy of the fluid and the medium, and the first control valve 304 and the second control valve 404 are stop valves or solenoid valves.
The fluid conveying mechanism further comprises a fluid conveying pipe 301, a fluid metering assembly 302 for detecting the conveying amount of the fluid and a fluid power assembly 303 for providing power for fluid conveying are arranged on the fluid conveying pipe 301, the fluid metering assembly 302 is preferably a flow meter and used for acquiring flow data of the fluid conveying in the fluid conveying pipe 301, and the fluid power assembly 303 is a metering pump. The fluid delivery pipe 301 is provided with a first valve 305, the first valve 305 is used for controlling the opening and closing of the fluid delivery pipe 301 to meet the requirement of fluid filling, and the first valve 305 can be an electromagnetic valve or a pneumatic control valve.
The medium conveying mechanism comprises a medium conveying pipe 403, a medium metering component 402 for detecting the conveying amount of the medium is arranged on the medium conveying pipe 403, and the medium metering component 402 is preferably a flow meter and is used for acquiring flow data of the medium conveyed in the medium conveying pipe 403.
The mixed liquid output mechanism comprises a first mixed liquid outlet pipe 601 and a second mixed liquid outlet pipe 602, the first mixed liquid outlet pipe 601 and the second mixed liquid outlet pipe 602 are both connected with the mixing device 5, the first mixed liquid outlet pipe 601 is used for conveying mixed liquid in a short distance, and the second mixed liquid outlet pipe 602 is used for conveying mixed liquid in a long distance. First mixed liquor outlet pipe 601 is provided with second valve 603, and second valve 603 is used for controlling the opening and closing of first mixed liquor outlet pipe 601.
The second mixed liquid outlet pipe 602 is provided with a mixed liquid power assembly 605 for supplying power to the mixed liquid, and the mixed liquid power assembly 605 is a metering pump. A third valve 604 is disposed on the second mixed liquid outlet pipe 602, and the second valve 603 and the third valve 604 can be selected from solenoid valves or pneumatic valves.
The practical use of this example 1 comprises the following steps:
1) fluid dosing delivery
When fluid quantitative delivery is required, a control system sets a proportioning value, a hanging gun 606 is lifted, a metering pump in a liquid storage device works, a first valve 305 on a fluid delivery pipe 301 is opened, fluid in a liquid storage tank 202 in the liquid storage device is delivered to the hanging gun 606 through the fluid delivery pipe 301, the fluid is delivered through the hanging gun 606, a flow meter monitors the delivery amount of the fluid in the fluid delivery pipe 301 in real time and displays the delivery amount in real time through a touch screen 101, and the control system receives data information of the delivery amount for settlement and sends data to a receiving terminal;
2) fluid mixing proportioning short-distance delivery
When the fluid is required to be mixed and proportioned and then delivered in a short distance, the control system sets the proportioning value, the hanging gun 606 is lifted, the metering pump in the liquid storage device works, the fluid in the liquid storage tank 202 is delivered to the mixing device 5 through the fluid delivery pipe 301, the stop valve or the electromagnetic valve on the fluid delivery pipe 301 controls the input amount of the fluid, simultaneously the water required for mixing and proportioning is delivered to the mixing device 5 through the medium delivery pipe 403 under the action of the metering pump, the flow meter on the medium delivery pipe 403 is used for detecting the input amount of the water, the stop valve or the electromagnetic valve on the medium delivery pipe 403 controls the input amount of the water, the fluid and the water are mixed according to the required proportioning ratio, the second valve 603 is opened, the proportioned mixed liquid is delivered to the hanging gun 606 through the first mixed liquid outlet pipe 601, the short-distance delivery of the mixed liquid is realized, and the flow meter detects the delivery amount of the fluid in the fluid delivery pipe 301 in real time, the data information of the filling amount is displayed in real time through the touch screen 101, the control system receives the data information of the filling amount for settlement, and the data is sent to a receiving terminal;
3) fluid mixing ratio long distance transport
When the fluid is required to be mixed and proportioned and then delivered in a short distance, the control system sets the proportioning value, the hook 606 is lifted, the metering pump in the liquid storage device works, the fluid in the liquid storage tank 202 is delivered to the mixing device 5 through the fluid delivery pipe 301, the stop valve or the electromagnetic valve on the fluid delivery pipe 301 controls the input amount of the fluid, simultaneously the water required for mixing and proportioning is delivered to the mixing device 5 through the medium delivery pipe 403 under the action of the metering pump, the flow meter on the medium delivery pipe 403 is used for detecting the input amount of the water, the stop valve or the electromagnetic valve on the medium delivery pipe 403 controls the input amount of the water, the fluid and the water are mixed according to the required proportioning ratio, the third valve 604 is opened, the proportioned mixed liquid is delivered through the second mixed liquid outlet pipe 602 through the metering pump, the long-distance delivery of the mixed liquid is realized, and the flow meter detects the delivery amount of the fluid in the fluid delivery pipe 301 in real time, an additional mixing device 5 can be added during long-distance conveying, the mixing uniformity is improved, real-time display is realized through the touch screen 101, the control system receives data information of the filling amount for settlement, and data are sent to the receiving terminal.
Example 2 (fluid mixing and proportioning delivery by common pump and flow control valve)
As shown in fig. 1 to 4, a proportioning and conveying device for improving the mixing uniformity of fluid according to the present invention comprises a fluid conveying mechanism, a medium conveying mechanism and a mixed liquid output mechanism, wherein the fluid conveying mechanism, the medium conveying mechanism and the mixed liquid output mechanism are all installed on a control cabinet 1, three paths of fluid conveying mechanisms are respectively connected with three liquid storage devices for storing fluid, and a design that one control cabinet 1 corresponds to three liquid storage devices is adopted, so that not only can the requirements of a factory on the use of metal working fluid be met, but also the pipeline layout is convenient, and the later maintenance is convenient, but not limited to the above connection manner, one control cabinet 1 may correspond to one liquid storage device, or one control cabinet 1 corresponds to two liquid storage devices, or one control cabinet 1 corresponds to more than three liquid storage devices, and particularly, a corresponding number of liquid storage devices may be selected according to the actual use requirements, three liquid storage devices are preferably selected for meeting the requirements of direct fluid delivery, close fluid delivery and long fluid delivery.
The liquid storage device comprises a box body and a liquid storage tank 202, the liquid storage tank 202 is provided with a liquid level sensor used for detecting the liquid level height of fluid, the liquid level sensor is electrically connected with the controller, the liquid storage tank 202 is used for storing the fluid, the liquid level sensor can detect the liquid level height of the fluid in the liquid storage tank 202, the fluid is convenient to add in time, and continuous work of the proportioning conveying equipment is ensured. The reservoir 202 is preferably a ton bucket.
The fluid specifically refers to metal working fluid and comprises cutting fluid, cutting oil, emulsion, hydraulic oil, quenching liquid, rolling liquid, guide rail oil, grinding fluid, rust removing oil, cleaning agent, stretching oil, lubricating oil, cooling liquid, release agent and the like. The medium is mainly water, but is not limited to water, and can be other liquids.
A control system is installed on the control cabinet 1 and specifically comprises a controller, a touch screen 101 and an emergency stop switch 102, the emergency stop switch 102 and the touch screen 101 are electrically connected with the controller, and the emergency stop switch 102 is used for forcibly stopping the fluid proportioning conveying equipment. The controller may be a PLC controller or an integrated circuit. Meanwhile, an indicator lamp can be arranged, when the hanging gun 606 is taken to convey fluid, the corresponding indicator lamp is turned on, and when the hanging gun 606 is placed on the control cabinet 1, the indicator lamp is turned off, so that the hanging gun is not limited to the lighting mode in practical use.
The fluid conveying mechanism and the medium conveying mechanism are connected with the mixed liquid output mechanism through the mixing device 5, so that the uniform mixing proportion of the fluid and the medium is realized; by the design of the mixing device 5, the residence time of the fluid in the mixing device 5 can be prolonged, and the mixing uniformity of the fluid and the medium can be improved. The mixing device 5 is a hollow tank structure, a piston type tank structure or a coil structure, when the hollow tank structure is adopted, the hollow tank structure can adopt a Venturi tank or a cylindrical tank, fluid can be conveyed from bottom to top or from top to bottom along the inside of the hollow tank, and a medium is input along the tangential direction of the hollow tank structure, so that the fluid and the medium form a vortex shape in a cavity of the hollow tank structure, the retention time of the fluid in the hollow tank structure is prolonged, the mixing uniformity of the fluid and the medium is improved, and meanwhile, in order to delay the flow of the fluid in the hollow tank structure, a guide plate can be spirally distributed or a grid is added, so that the mixing of the fluid and the medium is promoted; when adopting piston tank structure, can improve the mixed degree of consistency of fluid and medium through the piston, when through the coil structure, can make fluid and medium flow along the coil pipe, improve and mix the degree of consistency.
Be equipped with exhaust assembly on mixing arrangement 5 for gas in the release mixing arrangement 5, exhaust assembly can adopt the blast pipe 501 that has discharge valve 502, or adopt the pressure release passageway or adopt the relief valve, because the fluid in the mixing arrangement 5 and the long-time mixing of medium can the gassing, directly discharges the bubble or carry out the pressure release through exhaust apparatus, prevents that the bubble from getting into the pipeline, improves the precision of measurement.
The fluid conveying mechanism is provided with a first control valve 304 for controlling the input amount of fluid, the medium conveying mechanism is provided with a second control valve 404 for controlling the input amount of medium, and the flow rates of the fluid and the medium are accurately adjusted by controlling the opening degree of the first control valve 304 and the second control valve 404, so that the fluid proportioning ratio can be adjusted at will, the precision of the mixing proportion is improved, and the range of the mixing proportion is enlarged. The first control valve 304 and the second control valve 404 are both close to the mixing device 5, which improves the control accuracy of the fluid and the medium, and the first control valve 304 and the second control valve 404 are flow regulating valves.
The fluid conveying mechanism further comprises a fluid conveying pipe 301, a fluid metering assembly 302 for detecting the conveying amount of the fluid and a fluid power assembly 303 for providing power for fluid conveying are arranged on the fluid conveying pipe 301, the fluid metering assembly 302 is preferably a flow meter and used for acquiring flow data of the fluid conveying in the fluid conveying pipe 301, the fluid power assembly 303 is a common pump, and the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a water hammer pump or a volumetric pump. The fluid delivery pipe 301 is provided with a first valve 305, the first valve 305 is used for controlling the opening and closing of the fluid delivery pipe 301 to meet the requirement of fluid filling, and the first valve 305 can be an electromagnetic valve or a pneumatic control valve.
The medium conveying mechanism comprises a medium conveying pipe 403, a medium metering component 402 for detecting the conveying amount of the medium is arranged on the medium conveying pipe 403, and the medium metering component 402 is preferably a flow meter and is used for acquiring flow data of the medium conveyed in the medium conveying pipe 403.
The mixed liquid output mechanism comprises a first mixed liquid outlet pipe 601 and a second mixed liquid outlet pipe 602, the first mixed liquid outlet pipe 601 and the second mixed liquid outlet pipe 602 are both connected with the mixing device 5, the first mixed liquid outlet pipe 601 is used for conveying mixed liquid in a short distance, and the second mixed liquid outlet pipe 602 is used for conveying mixed liquid in a long distance. First mixed liquor outlet pipe 601 is provided with second valve 603, and second valve 603 is used for controlling the opening and closing of first mixed liquor outlet pipe 601.
The second mixed liquid outlet pipe 602 is provided with a mixed liquid power assembly 605 for supplying power to the mixed liquid, the mixed liquid power assembly 605 is a common pump, and the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a hydraulic ram pump or a displacement pump. A third valve 604 is disposed on the second mixed liquid outlet pipe 602, and the second valve 603 and the third valve 604 can be selected from solenoid valves or pneumatic valves.
The practical use of this example 2 comprises the following steps:
1) fluid dosing delivery
When fluid needs to be quantitatively conveyed, a proportioning value is set through a control system, a hanging gun 606 is lifted, a common pump in a liquid storage device works, the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a hydraulic ram pump or a displacement pump, a first valve 305 on a fluid conveying pipe 301 is opened, fluid in a liquid storage tank 202 in the liquid storage device is conveyed to the hanging gun 606 through the fluid conveying pipe 301, the fluid is conveyed through the hanging gun 606, a flow meter monitors the conveying amount of the fluid in the fluid conveying pipe 301 in real time and displays the conveying amount of the fluid in real time through a touch screen 101, and the control system receives data information of the filling amount to settle accounts and sends data to a receiving terminal;
2) fluid mixing proportioning short-distance conveying
When the fluid is required to be mixed and proportioned and then delivered in a short distance, the control system sets a proportioning value, the hook gun 606 is lifted, the common pump in the liquid storage device works, the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a hydraulic ram pump or a volumetric pump, the fluid in the liquid storage tank 202 is delivered to the mixing device 5 through the fluid delivery pipe 301, the flow regulating valve on the fluid delivery pipe 301 controls the input quantity of the fluid, meanwhile, the water required by the mixing proportioning is delivered to the mixing device 5 under the action of the common pump, the common pump is one of the electromagnetic pump, the axial flow pump, the jet pump, the mixed flow pump, the hydraulic ram pump or the volumetric pump, the water is delivered to the mixing device 5 through the medium delivery pipe 403, the flow meter on the medium delivery pipe is used for detecting the input quantity of the water, the flow regulating valve on the medium delivery pipe 403 is used for controlling the input quantity of the water, so that the fluid and the water are mixed according to the required proportioning, opening a second valve 603, conveying the proportioned mixed liquid to a hanging gun 606 through a first mixed liquid outlet pipe 601, realizing short-distance conveying of the mixed liquid, detecting the conveying amount of the fluid in a fluid conveying pipe 301 in real time by a flowmeter, displaying the conveying amount of the fluid in real time through a touch screen 101, receiving the data information of the filling amount by a control system for settlement, and sending the data to a receiving terminal;
3) fluid mixing and proportioning remote delivery
When the fluid is required to be mixed and proportioned and then delivered in a short distance, the control system sets a proportioning value, the hook gun 606 is lifted, the common pump in the liquid storage device works, the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a hydraulic ram pump or a volumetric pump, the fluid in the liquid storage tank 202 is delivered to the mixing device 5 through the fluid delivery pipe 301, the flow regulating valve on the fluid delivery pipe 301 controls the input quantity of the fluid, meanwhile, the water required by the mixing proportioning is delivered to the mixing device 5 under the action of the common pump, the common pump is one of the electromagnetic pump, the axial flow pump, the jet pump, the mixed flow pump, the hydraulic ram pump or the volumetric pump, the water is delivered to the mixing device 5 through the medium delivery pipe 403, the flow meter on the medium delivery pipe is used for detecting the input quantity of the water, the flow regulating valve on the medium delivery pipe 403 is used for controlling the input quantity of the water, so that the fluid and the water are mixed according to the required proportioning, the third valve 604 is opened, the proportioned mixed liquid is conveyed through the second mixed liquid outlet pipe 602 by a common pump, the common pump is one of an electromagnetic pump, an axial flow pump, a jet pump, a mixed flow pump, a hydraulic ram pump or a displacement pump, the long-distance conveying of the mixed liquid is realized, the flow meter detects the conveying amount of the fluid in the fluid conveying pipe 301 in real time, an additional mixing device 5 can be added during the long-distance conveying, the mixing uniformity is improved, the real-time display is realized through the touch screen 101, the control system receives the data information of the filling amount for settlement, and the data is sent to the receiving terminal.
Example 3 (fluid mixing and proportioning delivery by way of metering pump and flow control valve)
As shown in fig. 1 to 4, a proportioning and conveying device for improving the mixing uniformity of fluid according to the present invention comprises a fluid conveying mechanism, a medium conveying mechanism and a mixed liquid output mechanism, wherein the fluid conveying mechanism, the medium conveying mechanism and the mixed liquid output mechanism are all installed on a control cabinet 1, three paths of fluid conveying mechanisms are respectively connected with three liquid storage devices for storing fluid, and a design that one control cabinet 1 corresponds to three liquid storage devices is adopted, so that not only can the requirements of a factory on the use of metal working fluid be met, but also the pipeline layout is convenient, and the later maintenance is convenient, but not limited to the above connection manner, one control cabinet 1 may correspond to one liquid storage device, or one control cabinet 1 corresponds to two liquid storage devices, or one control cabinet 1 corresponds to more than three liquid storage devices, and particularly, a corresponding number of liquid storage devices may be selected according to the actual use requirements, three liquid storage devices are preferably selected for meeting the requirements of direct fluid delivery, close fluid delivery and long fluid delivery.
The liquid storage device comprises a box body and a liquid storage tank 202, the liquid storage tank 202 is provided with a liquid level sensor used for detecting the liquid level height of fluid, the liquid level sensor is electrically connected with the controller, the liquid storage tank 202 is used for storing the fluid, the liquid level sensor can detect the liquid level height of the fluid in the liquid storage tank 202, the fluid is convenient to add in time, and continuous work of the proportioning conveying equipment is ensured. The reservoir 202 is preferably a ton bucket.
The fluid specifically refers to metal working fluid and comprises cutting fluid, cutting oil, emulsion, hydraulic oil, quenching liquid, rolling liquid, guide rail oil, grinding fluid, rust removing oil, cleaning agent, stretching oil, lubricating oil, cooling liquid, release agent and the like. The medium is mainly water, but is not limited to water, and can be other liquids.
A control system is installed on the control cabinet 1 and specifically comprises a controller, a touch screen 101 and an emergency stop switch 102, the emergency stop switch 102 and the touch screen 101 are electrically connected with the controller, and the emergency stop switch 102 is used for forcibly stopping the fluid proportioning conveying equipment. The controller may be a PLC controller or an integrated circuit. Meanwhile, an indicator lamp can be arranged, when the hanging gun 606 is taken to convey fluid, the corresponding indicator lamp is turned on, and when the hanging gun 606 is placed on the control cabinet 1, the indicator lamp is turned off, so that the hanging gun is not limited to the lighting mode in practical use.
The fluid conveying mechanism and the medium conveying mechanism are connected with the mixed liquid output mechanism through the mixing device 5, so that the uniform mixing proportion of the fluid and the medium is realized; by the design of the mixing device 5, the residence time of the fluid in the mixing device 5 can be prolonged, and the mixing uniformity of the fluid and the medium can be improved. The mixing device 5 is a hollow tank structure, a piston type tank structure or a coil structure, when the hollow tank structure is adopted, the hollow tank structure can adopt a Venturi tank or a cylindrical tank, fluid can be conveyed from bottom to top or from top to bottom along the inside of the hollow tank, and a medium is input along the tangential direction of the hollow tank structure, so that the fluid and the medium form a vortex shape in a cavity of the hollow tank structure, the retention time of the fluid in the hollow tank structure is prolonged, the mixing uniformity of the fluid and the medium is improved, and meanwhile, in order to delay the flow of the fluid in the hollow tank structure, a guide plate can be spirally distributed or a grid is added, so that the mixing of the fluid and the medium is promoted; when adopting piston tank structure, can improve the mixed degree of consistency of fluid and medium through the piston, when through the coil structure, can make fluid and medium flow along the coil pipe, improve and mix the degree of consistency.
Be equipped with exhaust assembly on mixing arrangement 5 for the gas in the release mixing arrangement 5, exhaust assembly can adopt the blast pipe 501 that has discharge valve 502, or adopt the pressure release passageway or adopt the relief valve, because the fluid in mixing arrangement 5 and the long-time mixing of medium can produce the bubble, directly discharges the bubble or carries out the pressure release through exhaust apparatus, prevents that the bubble from getting into the pipeline, improves the precision of measurement.
The fluid conveying mechanism is provided with a first control valve 304 for controlling the input amount of fluid, the medium conveying mechanism is provided with a second control valve 404 for controlling the input amount of medium, and the flow rates of the fluid and the medium are accurately adjusted by controlling the opening degree of the first control valve 304 and the second control valve 404, so that the fluid proportioning ratio can be adjusted at will, the precision of the mixing proportion is improved, and the range of the mixing proportion is enlarged. The first control valve 304 and the second control valve 404 are both close to the mixing device 5, which improves the control accuracy of the fluid and the medium, and the first control valve 304 and the second control valve 404 are flow regulating valves.
The fluid conveying mechanism further comprises a fluid conveying pipe 301, a fluid metering assembly 302 for detecting the conveying amount of the fluid and a fluid power assembly 303 for providing power for fluid conveying are arranged on the fluid conveying pipe 301, the fluid metering assembly 302 is preferably a flow meter and used for acquiring flow data of the fluid conveying in the fluid conveying pipe 301, and the fluid power assembly 303 is a metering pump. The fluid delivery pipe 301 is provided with a first valve 305, the first valve 305 is used for controlling the opening and closing of the fluid delivery pipe 301 to meet the requirement of fluid filling, and the first valve 305 can be an electromagnetic valve or a pneumatic control valve.
The medium conveying mechanism comprises a medium conveying pipe 403, a medium metering component 402 for detecting the conveying amount of the medium is arranged on the medium conveying pipe 403, and the medium metering component 402 is preferably a flowmeter and is used for acquiring flow data of the medium conveying in the medium conveying pipe 403.
The mixed liquid output mechanism comprises a first mixed liquid outlet pipe 601 and a second mixed liquid outlet pipe 602, the first mixed liquid outlet pipe 601 and the second mixed liquid outlet pipe 602 are both connected with the mixing device 5, the first mixed liquid outlet pipe 601 is used for conveying mixed liquid in a short distance, and the second mixed liquid outlet pipe 602 is used for conveying mixed liquid in a long distance. First mixed liquor outlet pipe 601 is provided with second valve 603, and second valve 603 is used for controlling the opening and closing of first mixed liquor outlet pipe 601.
The second mixed liquid outlet pipe 602 is provided with a mixed liquid power assembly 605 for supplying power for mixed liquid transportation, and the mixed liquid power assembly 605 is a metering pump. A third valve 604 is disposed on the second mixed liquid outlet pipe 602, and the second valve 603 and the third valve 604 can be selected from solenoid valves or pneumatic valves.
The practical use of this example 3 comprises the following steps:
1) fluid dosing delivery
When fluid needs to be quantitatively conveyed, a control system sets a proportioning value, a hanging gun 606 is lifted, a metering pump in a liquid storage device works, a first valve 305 on a fluid conveying pipe 301 is opened, fluid in a liquid storage tank 202 in the liquid storage device is conveyed to the hanging gun 606 through the fluid conveying pipe 301, the fluid is conveyed through the hanging gun 606, a flow meter monitors the conveying amount of the fluid in the fluid conveying pipe 301 in real time and displays the conveying amount of the fluid in real time through a touch screen 101, and the control system receives data information of the filling amount to settle accounts and sends data to a receiving terminal;
2) fluid mixing proportioning short-distance conveying
When the fluid is required to be mixed and proportioned and then delivered in a short distance, the control system sets the proportioning value, the hanging gun 606 is lifted, the metering pump in the liquid storage device works, the fluid in the liquid storage tank 202 is delivered to the mixing device 5 through the fluid delivery pipe 301, the flow regulating valve on the fluid delivery pipe 301 controls the input amount of the fluid, simultaneously the water required for mixing and proportioning is delivered to the mixing device 5 through the medium delivery pipe 403 under the action of the metering pump, the flow meter on the medium delivery pipe 403 is used for detecting the input amount of the water, the flow regulating valve on the medium delivery pipe 403 controls the input amount of the water, the fluid and the water are mixed according to the required proportioning ratio, the second valve 603 is opened, the proportioned mixed liquid is delivered to the hanging gun 606 through the first mixed liquid outlet pipe 601, the short-distance delivery of the mixed liquid is realized, and the flow meter detects the delivery amount of the fluid in the fluid delivery pipe 301 in real time, the data information of the filling amount is displayed in real time through the touch screen 101, the control system receives the data information of the filling amount for settlement, and the data is sent to a receiving terminal;
3) fluid mixing ratio long distance transport
When the fluid is required to be mixed and proportioned and then delivered in a short distance, the control system sets the proportioning value, the hook 606 is lifted, the metering pump in the liquid storage device works, the fluid in the liquid storage tank 202 is delivered to the mixing device 5 through the fluid delivery pipe 301, the flow regulating valve on the fluid delivery pipe 301 controls the input amount of the fluid, simultaneously the water required for mixing and proportioning is delivered to the mixing device 5 through the medium delivery pipe 403 under the action of the metering pump, the flow meter on the medium delivery pipe 403 is used for detecting the input amount of the water, the flow regulating valve on the medium delivery pipe 403 controls the input amount of the water, the fluid and the water are mixed according to the required proportioning ratio, the third valve 604 is opened, the proportioned mixed liquid is delivered through the second mixed liquid outlet pipe 602 through the metering pump, the long-distance delivery of the mixed liquid is realized, and the flow meter detects the delivery amount of the fluid in the fluid delivery pipe 301 in real time, an additional mixing device 5 can be added during long-distance conveying, the mixing uniformity is improved, real-time display is realized through the touch screen 101, the control system receives data information of the filling amount for settlement, and data are sent to the receiving terminal.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple variations, equivalent substitutions or modifications based on the present invention to achieve substantially the same technical effects are within the scope of the present invention.
Claims (5)
1. The utility model provides an improve ratio conveyor of fluid mixing degree of consistency which characterized in that: the fluid conveying mechanism and the medium conveying mechanism are connected with the mixed liquid output mechanism through a mixing device, and uniform mixing proportion of fluid and medium is achieved.
2. The proportioning delivery apparatus for improving fluid mixing uniformity of claim 1, wherein: the mixing device is of a hollow tank structure, a piston type tank structure or a coil structure.
3. A proportioning delivery system for improving fluid mixing uniformity according to claim 2, wherein: and the mixing device is provided with an exhaust assembly for releasing the gas in the mixing device.
4. The proportioning delivery apparatus for improving fluid mixing uniformity of claim 1, wherein: the fluid conveying mechanism is provided with a first control valve for controlling the input amount of the fluid, and the medium conveying mechanism is provided with a second control valve for controlling the input amount of the medium.
5. The proportioning delivery apparatus for improving fluid mixing uniformity of claim 4, wherein: the first control valve and the second control valve are stop valves, electromagnetic valves or flow regulating valves.
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