CN219064824U - Supercharging system for laboratory bench - Google Patents
Supercharging system for laboratory bench Download PDFInfo
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- CN219064824U CN219064824U CN202222943768.5U CN202222943768U CN219064824U CN 219064824 U CN219064824 U CN 219064824U CN 202222943768 U CN202222943768 U CN 202222943768U CN 219064824 U CN219064824 U CN 219064824U
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Abstract
The utility model discloses a pressurizing system for an experiment table, which relates to the technical field of water flow experiment equipment and comprises four manual ball valves, overflow valves, a high-pressure water pump A, a high-pressure water pump B, a high-pressure water pump C and a high-pressure water pump D, wherein the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are arranged in parallel, the manual ball valves and the overflow valves are respectively arranged in the input directions of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D, and the four gain valves are respectively arranged in the output directions of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D. The medium water pressure stabilizing device can accurately control medium water to be stably output to a pressure regulating system under set pressure.
Description
Technical Field
The utility model relates to the technical field of water flow experimental equipment, in particular to a supercharging system for an experiment table.
Background
In the production process of the C-7 engine oil supply device, water flow test is required, and the total pipe flow and the flow of a single oil spray hole are required to be calibrated under the state of the part oil spray rod and the state of the component oil spray ring. The flow resistance of the component is different from that of the component under the state of the part due to the limitation of the processing precision of the current oil spray holes, and a large number of oil spray holes are repeatedly ground and tested in the flow calibration process. The pressurization system in the prior art cannot meet the requirement of high-precision and stable output medium water, so that the detection result of the flow test equipment is affected.
Disclosure of Invention
The utility model aims to provide a supercharging system for a laboratory table, aiming at the defects existing in the prior art.
In order to achieve the above object, the present utility model adopts the following scheme:
the utility model provides a supply with medium water input through water source system, including manual ball valve, overflow valve, high-pressure water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D parallelly connected the setting, manual ball valve and overflow valve all set up four, and four manual ball valves set up respectively at high-pressure water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D's input direction, four gain valves set up respectively at high-pressure water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D's output direction, open manual water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D department is got into respectively through the pipeline, pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D pumps the medium water, when carrying out the full-loop experiment, the system confirms the quantity of high-pressure water pump according to flow and pressure demand automatic start system, the automatic start-up system can satisfy pressure regulation system after the pressure regulation system carries out pressure regulation, can satisfy the pressure regulation system, high-pressure water pump B can start the water pump demand after-pressure regulation system, high-pressure pump B can start the high-pressure water pump 7, after-pressure water pump B is adjusted, high pressure water pump 7, high pressure pump 7 needs start experiment post-pressure water pump 7, and high pressure pump 7 can be adjusted after the high pressure pump 7, and high pressure water pump 7.
Furthermore, the output ends of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are provided with one-way valves, so that reverse rotation of the water pump caused by reverse flow of medium water is prevented,
furthermore, the output directions of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are provided with the energy accumulator, the volume of the energy accumulator is 100L, the pressure inside the supercharging equipment is stabilized through the energy accumulator, and damage caused by overhigh pipeline pressure is prevented.
Furthermore, the output end and the input end of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are respectively provided with a filter, impurities in the medium water are filtered through the filters,
furthermore, the filter adopts a triple filter, and the filtering precision of the triple filter is 10 mu, 10 mu and 4 mu.
Furthermore, the high-pressure water pump A and the high-pressure water pump B adopt plunger pumps with the flow rate of 40-60L/min, the high-pressure water pump C and the high-pressure water pump D adopt plunger pumps with the flow rate of 150-170L/min, and the pressure intensity in the system is regulated by controlling the start and stop of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D, so that the high-pressure water pump C and the high-pressure water pump D can adapt to different detection requirements.
Compared with the prior art, the utility model has the advantages that:
the device is characterized in that four pressure water pumps A, B, C and D with different flow rates are arranged in parallel to form a pressurizing system, when a full-circle experiment is carried out, the control system automatically determines the quantity of the started water pumps according to the flow rate and the pressure requirement, the rear end can meet the requirement of the system on medium pressure supply after pressure regulation is carried out through a pressure regulating system, the control system automatically starts a No. 1 pump or a No. 2 pump when a single oil injection rod water flow experiment is carried out, the water pump is started when the experiment is started, the rear end can carry out subsequent experiments after the pressure of the workpiece inlet water is regulated to 0.7MPa through the pressure regulating system, the single rod experiment requirement is met, and therefore stable regulation and control on the pressure of the medium water can be realized.
Drawings
FIG. 1 is a system flow diagram of a water flow bench;
FIG. 2 is a system flow diagram of a backwash system;
FIG. 3 is a system flow diagram of a water source system;
FIG. 4 is a system flow diagram of a supercharging system;
fig. 5 is a system flow diagram of a voltage regulating system.
Detailed Description
The utility model provides a pressurization system for laboratory bench, includes water source system, pressure regulating system, experimental zone, back flush system and weighing system, the output of water source system communicates to pressure regulating system, pressure regulating system communicates to the experimental zone, will be installed to the experimental zone by the test piece, water source system supplies water source to the pressure regulating system in carry out the pressure regulating system after the pressure boost, produces quantitative water pressure by the operation of pressure regulating system and goes out to the test piece in the experimental zone, weighing system sets up in the lower extreme in experimental zone, measures the quality of the water that is discharged by test piece (one minute or two minutes) in a period of time through the weighing system to calculate single orifice's flow value, back flush system communicates with the pressure regulating system, carries water to back flush system through the pressure regulating system in, carries out the back flush experiment to the work piece, be provided with the return circuit in the water source system, pressure regulating system, back flush system and weighing system communicate respectively in the back flush circuit, carries out and carry out the back and retrieve water pipe system in the water source experiment system to carry out in the back flush system.
Preferably, the water source system further comprises a water return tank, a water return pump, a water storage tank and a liquid level sensor, wherein the water return pipeline is communicated to the water return tank, the water return pump is communicated between the water return tank and the water storage tank, the water in the water return tank is pumped into the water storage tank through the water return pump, the liquid level sensor is arranged in the water storage tank, and the water level in the water storage tank is detected in real time through the liquid level sensor, so that the water quantity in the water tank is prevented from being too high or too low;
a filter is arranged at the input end of the water return pump for preventing the impurities in the water in the non-return water tank from affecting the subsequent reuse, and the filtering precision of the filter is 10 mu m;
the volume of the water storage tank meets the requirement of 5.267kg/s and time of single maximum flow5mi n requirement, taking the using allowance of the volume of the water storage tank into consideration, wherein the volume of the water storage tank is 3m 3 ；
In order to improve the accuracy and stability of the experiment, pure water is adopted as the experiment medium;
the water source system is supplied with water sources for conveying circulation in each system, the high-pressure water pump and the overflow valve behind the water pump can cause the temperature of the water medium to rise, the temperature of pure water of the experimental medium is required to be not higher than 30 ℃ in the experimental process of equipment, therefore, a cooler and a cooling water pump are added in the water source system, the cooler is communicated with the water storage tank, the cooling water pump is communicated with the water storage tank and the cooler, water in the water storage tank is pumped into the cooler through the cooling water pump for cooling, the cooled water is input into the water storage tank for recycling, the cooler adopts an air-cooled surface cooler, medium water flows in a sealed radiating pipe, and the fan drives air flow to exchange heat of the water medium into air, so that the cooling purpose is achieved;
the weighing system consists of a single spray hole flow collection tool, a collection hose, a liquid collection tank, a weighing sensor, an electromagnetic valve, a collection system and the like, water sprayed out of a single hole is collected through the nozzle flow collection tool, then enters the liquid collection tank through the hose, the quality value is measured through the weighing sensor, and the calculation is carried out through a computer software system to obtain a single spray hole flow value; in order to improve the working efficiency and the consistency of the flow measurement condition of each spray hole of the single rod, under the condition that the experimental tooling scheme is feasible, all the flow of the spray holes on the single spray rod is obtained through one experiment, so that 32 single spray hole flow measurement channels are configured, all the flow data of the spray holes of one spray rod are obtained through one experiment, and the measurement precision and the productivity can be improved.
In the scheme, a weighing sensor is selected to measure the mass of the medium in a period of time to indirectly obtain the flow.
G1=gtank+gvalve+gwater 1
gMeasure 2=Gtank+Gvalve+Gwater 2
L= (G-measurement 2-G-measurement 1)/T
Namely L= (G water 2-G water 1)/T
Wherein: g tank-mass of liquid accumulation tank, unit G
G valve-solenoid valve mass, unit G
G Water-mass of water in tank, unit G
G measurement-measurement value of weighing sensor, unit G
L-single hole measuring flow, unit g/s
T-time difference between two measurements of weighing cell in s
Based on the above analysis, the relative error of the single orifice flow measurement is dependent only on the repeatability error of the load cell itself. Therefore, when the weighing sensor is selected, the repeatability of the sensor is required to be good, a single-point weighing sensor with the comprehensive error of 0.02 percent FS is selected, according to measurement, the time difference between two acquisitions is assumed to be 1 minute, the flow value range is 120 g-1800 g, and the mass of the liquid collecting tank, the electromagnetic valve, accessories thereof and the like is initially measured and calculated to be about 2500g, so the weighing sensor with the measuring range of 5kg is selected in the scheme.
The back flush system comprises a back flush valve, a pressure tank and a valve, wherein the back flush valve and the valve are both communicated with the pressure regulating system, the output end of the back flush valve is communicated to the pressure tank, the output ends of the pressure tank and the valve are both communicated to a water return pipeline, a back flush experiment piece is installed in the pressure tank when the back flush system is used, pressurized water is output into the pressure tank through the pressure regulating system to carry out experiments on the back flush experiment piece, and a silk detection method is adopted to carry out detection after back flush.
The pressurization system can stably pressurize the water medium output by the water source system, the pressurization system comprises manual ball valves, overflow valves, a high-pressure water pump A, a high-pressure water pump B, a high-pressure water pump C and a high-pressure water pump D, the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are arranged in parallel, the four manual ball valves and the overflow valves are respectively arranged in the input directions of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D, the manual ball valves are arranged at the front ends of the high-pressure water pumps, the switch of the equipment can be manually controlled under emergency conditions, the four gain valves are respectively arranged in the output directions of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D, the safety of the experiment table is guaranteed through the gain valves arranged in the output directions of the high-pressure water pumps, the overpressure is achieved, the function of protecting components is achieved, and the output ends of the high-pressure water pump A, the high-pressure water pump B and the high-pressure water pump D are communicated to the pressure regulating system;
in order to prevent reverse rotation of the water pump caused by reverse flow of medium water, the output ends of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are provided with one-way valves;
in order to stabilize pipelines of a pressurizing system, energy accumulators are arranged in the output directions of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D, and the volume of each energy accumulator is 100L;
the medium water is pumped into a pressure regulating system through a high-pressure water pump A, a high-pressure water pump B, a high-pressure water pump C and a high-pressure water pump D, and filters are arranged at the output end and the input end of the high-pressure water pump A, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D in order to ensure the cleanliness of the water, wherein the filters adopt triple filters, and the filtering precision of the triple filters is 10 mu, 10 mu and 4 mu;
the high-pressure water pump A and the high-pressure water pump B adopt plunger pumps with the flow of 40-60L/min; in the debugging process of the product, a water pump with the model of XLT5415T is adopted, and the flow is 54L/min (0.9 kg/s);
the high-pressure water pump C and the high-pressure water pump D adopt plunger pumps with the flow rate of 150-170L/min; in the debugging process of the product, the water pump with the model RTD160.130 is adopted, and the flow is 160L/min (2.67 kg/s).
High pressure water pump parameter table:
| sequence number | Model number | Parameters (parameters) | Power of | Quality of |
| High-pressure water pump A | XLT5415T | 13MPa, and flow rate is 54L/min;0.9kg/s; | 7.5KW | 17.2kg |
| high-pressure water pump B | XLT5415T | 13MPa, and flow rate is 54L/min;0.9kg/s; | 7.5KW | 17.2kg |
| high-pressure water pump C | RTD160.130 | 15MPa, and 160L/min of flow; 2.67kg/s; | 15KW | 58kg |
| high-pressure water pump D | RTD160.130 | 15MPa, and 160L/min of flow; 2.67kg/s; | 15KW | 58kg |
the pressure regulating system can ensure that the pressure of the medium water in the inlet of the experimental part is stable, is limited by the range ratio of the mass flowmeter and the precision of the pressure instrument, and is controlled by the flow range of 0.03 kg/s-5.267 kg/s of the medium water in the measuring process of the test piece, and the pressure range is 0.1 MPa-3.0 MPa;
the pressure regulating system comprises a first pressure regulating pipeline, a second pressure regulating pipeline and a third pressure regulating pipeline, the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline are connected in parallel, the second pressure regulating pipeline and the third pressure regulating pipeline are identical to the first pressure regulating pipeline in structure, the first pressure regulating pipeline comprises a pressure regulating valve and a mass flowmeter, the pressure regulating valve and the mass flowmeter are arranged in series, the mass flowmeter is positively arranged in the first pressure regulating pipeline, the pressure of the input medium water is regulated through the pressure regulating valve, and the medium water flowing through the mass flowmeter is measured;
pressure range of the first pressure regulating pipeline: 0.1 MPa-1 MPa, flow range: 0.03kg/s to 0.3kg/s;
pressure range of the second pressure regulating pipeline: 0.1 MPa-1 MPa, flow range: 0.2 kg/s-3.2 kg/s;
pressure range of the third pressure regulating pipeline: 1 MPa-3.0 MPa, flow range: 1kg/s to 5.3kg/s.
When a single-rod experiment with the pressure of 0.7MPa is carried out in the experimental process, the experimental requirement can be met only by selecting a first pressure regulating pipeline to be communicated with an experimental part;
and when a full-circle experiment is carried out in the experimental process, selecting a required pressure regulating branch according to the experimental flow and the pressure parameters.
The input ends of the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline are respectively provided with a manual ball valve, and the on-off of the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline can be manually controlled under emergency conditions through the manual ball valves, so that the setting safety of equipment is improved;
in order to prevent the medium water in the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline from flowing back into the mass flowmeter to cause the damage of the mass flowmeter, a one-way valve is arranged at the output end of the mass flowmeter to limit the flowing direction of the medium water, so that the service life of equipment is prolonged, and the accuracy of data is improved;
in order to stabilize the output medium water, the tail ends of the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline are respectively provided with an energy accumulator;
the front and the rear of the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline are respectively provided with a deflation valve, so that the medium water is guaranteed to fully flow through the mass flowmeter, and the measurement accuracy of the equipment on the medium water is improved;
in order to monitor the water pressure in the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline in real time, pressure sensors are respectively arranged in the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline.
The pressure regulating valves in the first pressure regulating pipeline, the second pressure regulating pipeline and the third pressure regulating pipeline are valve positioners with the distribution precision of 0.5% of TESCOM products in America;
the valve type adopted in the first pressure regulating pipeline is 44-1363+ER5000SI-1-QL;
the valve type adopted in the second pressure regulating pipeline is 54-2821+ER5000SI-1-QL;
the valve type adopted in the third pressure regulating pipeline is 54-2769+ER5000SI-1-QL;
pressure regulating valve parameter table:
in the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, a description of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a supercharging system for laboratory bench, its characterized in that includes manual ball valve, overflow valve, high-pressure water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D parallelly connected the setting, manual ball valve and overflow valve all set up four, and four manual ball valves set up respectively at high-pressure water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D's input direction, and four gain valves set up respectively at high-pressure water pump A, high-pressure water pump B, high-pressure water pump C and high-pressure water pump D's output direction.
2. The pressurization system for a laboratory bench according to claim 1, wherein output ends of the high-pressure water pump a, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are provided with check valves.
3. The pressurization system for a laboratory bench according to claim 1, wherein the output directions of the high-pressure water pump a, the high-pressure water pump B, the high-pressure water pump C, and the high-pressure water pump D are provided with accumulators.
4. A laboratory bench supercharging system according to claim 3, wherein the accumulator has a volume of 100L.
5. The pressurization system for a laboratory bench according to claim 1, wherein the output end and the input end of the high-pressure water pump a, the high-pressure water pump B, the high-pressure water pump C and the high-pressure water pump D are provided with filters.
6. The laboratory bench supercharging system of claim 5, wherein the filter is a triple filter having a filtration accuracy of 10 μ, 4 μ.
7. The pressurization system for the laboratory bench according to claim 1, wherein the high-pressure water pump a and the high-pressure water pump B are plunger pumps with a flow rate of 40-60L/min.
8. The pressurization system for a laboratory bench according to claim 1, wherein the high-pressure water pump C and the high-pressure water pump D employ plunger pumps having a flow rate of 150 to 170L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222943768.5U CN219064824U (en) | 2022-11-03 | 2022-11-03 | Supercharging system for laboratory bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222943768.5U CN219064824U (en) | 2022-11-03 | 2022-11-03 | Supercharging system for laboratory bench |
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| Publication Number | Publication Date |
|---|---|
| CN219064824U true CN219064824U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222943768.5U Active CN219064824U (en) | 2022-11-03 | 2022-11-03 | Supercharging system for laboratory bench |
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2022
- 2022-11-03 CN CN202222943768.5U patent/CN219064824U/en active Active
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