CN201917831U - Feeding flow control system for metering pump - Google Patents
Feeding flow control system for metering pump Download PDFInfo
- Publication number
- CN201917831U CN201917831U CN 201020555140 CN201020555140U CN201917831U CN 201917831 U CN201917831 U CN 201917831U CN 201020555140 CN201020555140 CN 201020555140 CN 201020555140 U CN201020555140 U CN 201020555140U CN 201917831 U CN201917831 U CN 201917831U
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- CN
- China
- Prior art keywords
- metering pump
- volume pump
- control system
- flowmeter
- counterbalance valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model discloses a feeding flow control system for a metering pump, which comprises a material storage tank, a metering pump, a flowmeter and a reaction kettle. The material storage tank is connected with the reaction kettle through a feeding pipeline; the metering pump and the flowmeter are arranged on the feeding pipeline; the feeding flow control system for the metering pump also comprises a buffer tank, a manometer, a counterbalance valve and a transducer. The buffer tank, the manometer, and the counterbalance valve are arranged on the feeding pipeline between the metering pump and the flowmeter in sequence; and the transducer is connected with the metering pump, wherein the buffer tank is used for easing a flow pulse at an outlet of the metering pump; the counterbalance valve is used for stabilizing the flow pressure at the outlet of the metering pump; and the transducer is used for finely adjusting the flow at the outlet of the metering pump. The feeding flow control system for the metering pump improves the adjustment control precision of the feeding flow, stabilizes the flow, and then stabilizes a reaction system and improves the stability of the product performance and the product quality.
Description
[technical field]
The utility model relates to the volume pump charging system, relates in particular to a kind of volume pump feed streams amount control system.
[background technology]
Ball-shape nickel hydroxide is widely used in Ni-MH battery as the green energy-storing material, but for the homogeneous made, stable, product that capacity is high, and is must the control reaction system stable.And the stable fluctuating factor except that reacting material concentration of reaction system is exactly stability, the undulatory property that depends on the reinforced flow of fluid injection volume pump influencing.
Prior art is to adopt the mechanically actuated diaphragm metering pump material feeding, regulates and Control Flow with the adjusting throw of pump, and its weak point is:
1. precision is low, and stroke adopts and revolves axle rotation adjusting, is divided into 10 retainings, and every grade 5 lattice amount to 50 lattice flows and regulate; And stroke bar controlled by physical construction, displacement can occur and cause flow excursion.
2. the intrinsic flow of Machinery Diaphragm Pump is output as pulsed, and the fluctuation of pulse is big and restive.
[summary of the invention]
The technical problems to be solved in the utility model provides a kind of flow regulation precision and improves the volume pump feed streams amount control system that flow rate fluctuation is little.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of volume pump feed streams amount control system, comprise raw material storage tank, volume pump, flowmeter and reactor, raw material storage tank is connected by the material feeding pipeline with reactor, and volume pump and flowmeter are housed on the material feeding pipeline, also comprises surge tank, tensimeter, counterbalance valve and frequency converter, surge tank, tensimeter and counterbalance valve are contained on the material feeding pipeline between volume pump and the flowmeter successively, and frequency converter is connected with volume pump.
Above-mentioned surge tank has import and export, imports and exports to be connected with the export pipeline of volume pump.
Above-mentioned counterbalance valve is connected in the material feeding pipeline of importing and exporting flowmeter,
Above-mentioned tensimeter is connected in the inlet ductwork of counterbalance valve.
The beneficial effects of the utility model are:
1. the drift value of the delivery rate of volume pump is controlled in 2%;
2. the adjusting control accuracy of the delivery rate of volume pump improves;
3. the fluctuation range of the flow pulse of volume pump output is controlled in 5%;
4. stablize the reinforced flow of fluid injection and then stablized reaction system, improved the stability and the product quality of properties of product.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the connection diagram of former volume pump charging system.
Fig. 2 is the connection diagram of the utility model volume pump feed streams amount control system embodiment.
Among the figure, 1-raw material storage tank, 2-volume pump, 3-spinner-type flowmeter, 4-reactor, 5-surge tank, 6-tensimeter, 7-counterbalance valve, 8-frequency converter, Y-tap.
[embodiment]
Fig. 2 is a kind of volume pump feed streams amount control system, comprise raw material storage tank 1, volume pump 2, spinner-type flowmeter 3 and reactor 4, raw material storage tank 1 is connected by the material feeding pipeline with reactor 4, volume pump 2 and spinner-type flowmeter 3 are housed on the material feeding pipeline, also comprise surge tank 5, tensimeter 6, counterbalance valve 7 and frequency converter 8, wherein, surge tank 5, tensimeter 6 and counterbalance valve 7 are contained on the material feeding pipeline between volume pump 2 and the spinner-type flowmeter 3 successively.Particularly, surge tank 5 has import and export, and it is imported and exported by a four-way and is connected with the export pipeline of volume pump 2, and its effect is to slow down volume pump 2 rate of discharge pulses.Another outlet in the four-way is connected to spinner-type flowmeter 3, and four-way also has an outlet to connect leading Y, and its effect is gas in the discharge line and unnecessary feed liquid in discharge line when pipeline cleaned.Counterbalance valve 7 is connected on the import and export of surge tank 5 in the material feeding pipeline of spinner-type flowmeter 3, is used for stablizing the pressure of volume pump 2 rates of discharge.Tensimeter 6 is connected in the inlet ductwork of counterbalance valve 7, is used for observing the pressure variation of material feeding pipeline, so that make adjustment at any time.
In addition, frequency converter 8 is connected with volume pump 2, and frequency converter 8 can be regulated the rate of discharge of volume pump 2 subtly, reaches the purpose of the fluctuation range of Control Flow pulse.
Present embodiment can be accomplished: the drift value of volume pump flow is controlled in 2%; The fluctuation range of the flow pulse of mechanically actuated diaphragm metering pump output is controlled in 5%.
Claims (4)
1. volume pump feed streams amount control system, comprise raw material storage tank, volume pump, flowmeter and reactor, described raw material storage tank is connected by the material feeding pipeline with reactor, volume pump and flowmeter are housed on the material feeding pipeline, it is characterized in that, also comprise surge tank, tensimeter, counterbalance valve and frequency converter, described surge tank, tensimeter and counterbalance valve are contained on the material feeding pipeline between volume pump and the flowmeter successively, and described frequency converter is connected with volume pump.
2. volume pump feed streams amount control system according to claim 1 is characterized in that described surge tank has import and export, and described import and export are connected with the export pipeline of volume pump.
3. volume pump feed streams amount control system according to claim 2 is characterized in that described counterbalance valve is connected in the material feeding pipeline of importing and exporting flowmeter.
4. volume pump feed streams amount control system according to claim 3 is characterized in that described tensimeter is connected in the inlet ductwork of counterbalance valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020555140 CN201917831U (en) | 2010-09-30 | 2010-09-30 | Feeding flow control system for metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020555140 CN201917831U (en) | 2010-09-30 | 2010-09-30 | Feeding flow control system for metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917831U true CN201917831U (en) | 2011-08-03 |
Family
ID=44417625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020555140 Expired - Fee Related CN201917831U (en) | 2010-09-30 | 2010-09-30 | Feeding flow control system for metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917831U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564645A (en) * | 2014-11-28 | 2015-04-29 | 江门谦信化工发展有限公司 | Buffer device for flow rate of positive displacement pump |
| CN106943939A (en) * | 2017-03-12 | 2017-07-14 | 广西农垦糖业集团良圻制糖有限公司 | A kind of cane sugar manufacture technical process phosphoric acid add-on system |
| CN108167169A (en) * | 2018-03-05 | 2018-06-15 | 中芳特纤股份有限公司 | A kind of metering pump control system for accurately controlling flow |
-
2010
- 2010-09-30 CN CN 201020555140 patent/CN201917831U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564645A (en) * | 2014-11-28 | 2015-04-29 | 江门谦信化工发展有限公司 | Buffer device for flow rate of positive displacement pump |
| CN106943939A (en) * | 2017-03-12 | 2017-07-14 | 广西农垦糖业集团良圻制糖有限公司 | A kind of cane sugar manufacture technical process phosphoric acid add-on system |
| CN108167169A (en) * | 2018-03-05 | 2018-06-15 | 中芳特纤股份有限公司 | A kind of metering pump control system for accurately controlling flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20130930 |