CN201340548Y - Bypass circulation reflux electric adjusting device - Google Patents

Bypass circulation reflux electric adjusting device Download PDF

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Publication number
CN201340548Y
CN201340548Y CNU2009200184599U CN200920018459U CN201340548Y CN 201340548 Y CN201340548 Y CN 201340548Y CN U2009200184599 U CNU2009200184599 U CN U2009200184599U CN 200920018459 U CN200920018459 U CN 200920018459U CN 201340548 Y CN201340548 Y CN 201340548Y
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CN
China
Prior art keywords
liquor
bypass
pipeline
detecting device
feed tube
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
Application number
CNU2009200184599U
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Chinese (zh)
Inventor
许华
蔡益民
刘金龙
周志钢
李守惠
吴兆林
赵爱华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINAN AVIATION FOUR STATION EQUIPMENT REPAIR FACTORY OF PLA
Original Assignee
JINAN AVIATION FOUR STATION EQUIPMENT REPAIR FACTORY OF PLA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JINAN AVIATION FOUR STATION EQUIPMENT REPAIR FACTORY OF PLA filed Critical JINAN AVIATION FOUR STATION EQUIPMENT REPAIR FACTORY OF PLA
Priority to CNU2009200184599U priority Critical patent/CN201340548Y/en
Application granted granted Critical
Publication of CN201340548Y publication Critical patent/CN201340548Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Flow Control (AREA)

Abstract

The utility model discloses a bypass circulation reflux electric adjusting device which solves problem of small adjusting range of output flux and precarious output pressure in the present flux control device, and has advantages of simple structure and convenient operation. The bypass circulation reflux electric adjusting device includes a pipeline device and a control device, wherein, the pipeline device includes a main pipeline communicated with a liquor input pipeline, an end of the main pipeline is divided into two branch circuits, one is a liquor output pipeline, the other is a bypass branch circuit, the bypass branch circuit communicates with the liquor input pipe; the main pipeline is equipped with a liquor pump, the liquor pipeline is equipped with a liquor input pipe pressure detecting device and a liquor input pipe valve device; the liquor output pipeline is equipped with a liquor output pipe pressure detecting device, a liquor pipe valve device and a flowmeter; the bypass branch circuit is equipped with a bypass valve device; the liquor pump, the bypass valve device, the liquor input pipe pressure detecting device, the liquor input pipe valve device, the liquor output pipe pressure detecting device, the liquor output pipe valve device and the flowmeter also connects with a control module.

Description

Bypassing reflux stream motorized adjustment device
Technical field
The utility model relates to a kind of flow regulator, relates in particular to a kind of bypassing reflux stream motorized adjustment device that is used to widen flow control scope, stabilization of export pressure.
Background technology
In the big flow control system of closed loop, rate of discharge can only lean on stainless steel liquid pump to control, and causes the rate of discharge adjustable extent little at present, and the top hole pressure instability has influenced the stability of feed flow.But bypassing reflux stream motorized adjustment device is owing to having adopted electric butterfly valve and automaton, so cost is higher.
Summary of the invention
The purpose of this utility model be exactly for solve that current flux control device flow adjustable extent is narrower, top hole pressure is unstable and flow and pressure between the problems such as contradiction of regulating, a kind of bypassing reflux stream motorized adjustment device with advantage such as simple in structure, easy to use is provided.
For achieving the above object, the utility model adopts following technical scheme:
A kind of bypass is returned liquid motorized adjustment device, and it comprises piping installation and control device, and wherein piping installation comprises main line and feed liquor pipeline connection, be divided into two branch roads at the main line end, one is the fluid pipeline, and another is the bypass branch road, and the bypass branch road is communicated with feed tube; Be provided with the liquid pump on main line, the feed liquor pipeline is provided with feed tube pressure-detecting device and feed tube valving; The fluid pipeline is provided with drain pipe pressure-detecting device, drain pipe valving and flowmeter; The bypass branch road is provided with by-pass valve device; Liquid pump, by-pass valve device, feed tube pressure-detecting device, feed tube valving, drain pipe pressure-detecting device, drain pipe valving and flowmeter all are connected with control module.
Described liquid pump is connected with control module by frequency converter.
Described by-pass valve device is an electric butterfly valve.
Described feed tube pressure-detecting device is an inlet pressure sensor, and the feed tube valving is the import Hand-operated butterfly valve.
Described drain pipe pressure-detecting device is an outlet pressure sensor, and described drain pipe valving is the outlet Hand-operated butterfly valve.
The utility model mainly is made up of liquid inlet joint, Hand-operated butterfly valve, liquid pump, electric butterfly valve, fluid joint, pipeline and control module, frequency converter, flowmeter, pressure transducer, its annexation is: the feed liquor pipeline links to each other with liquid pump on the main line by pipeline, flange, the main line end is divided into bypass branch road and fluid branch road, after the bypass branch road connects electric butterfly valve, communicate with inlet ductwork, the fluid branch road connects Hand-operated butterfly valve and fluid joint.
The utility model is the requirement according to rate of discharge and pressure, by control module control of conversion device frequency, thereby the rotating speed that changes the liquid pump is regulated the liquid delivery rate, according to delivery rate and top hole pressure, aperture by automatic control electric butterfly valve, the part output liquid is back in the inlet ductwork by the bypass branch road, guarantee under the stable situation of top hole pressure, output is than low discharge or big flow, thus interior the adjusting and the stable requirement of top hole pressure of a big scope of satisfying delivery rate.
The beneficial effects of the utility model are: a, at rate of discharge on a large scale in the adjustment process, and it is stable that top hole pressure keeps; B, delivery rate adjustable extent are big, and adjustable minimum flow can reach below 1% of liquid pump rated flow; C, adopt variable frequency control,, can reduce energy resource consumption when delivery rate hour; D, the advanced and mature automatic control technology of employing, the Automatic Control of implement device, simple to operate; E, employing electromagnetic type flow meter, the flow range of measurement is big, precision is high; F, import and export butterfly valve, make whole device self form closed-loop system by manual control; G, simple in structure, easy to use, the reliability height.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, 1. main line, 2. flange, 3. liquid pump, 4. electric butterfly valve, 5. inlet pressure sensor, 6. import Hand-operated butterfly valve, 7. liquid inlet joint, 8. frequency converter, 9. control module, 10. outlet Hand-operated butterfly valve, 11. fluid joints, 12. flowmeters, 13. outlet pressure sensors.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, liquid enters the feed liquor pipeline by liquid inlet joint 7, be connected with liquid pump 3 on the main line 1 by flange 2, main line 1 end is divided into two branch roads in parallel, one branch road is the bypass branch road, be provided with electric butterfly valve 4, one branch road is the fluid pipeline, be provided with flowmeter 12, Hand-operated butterfly valve 10 and fluid joint 11, can make this device self form the closed loop pipeline by manual control import butterfly valve 6 and exit butterfly valve 10, thereby control module 9 is controlled the flow of whole device by the rotating speed of the frequency control liquid pump 3 of control of conversion device 8, control module can be gathered inlet pressure sensor 5 simultaneously, the live signal of outlet pressure sensor 13 and flowmeter 12 according to the delivery rate requirement, is controlled the aperture of electric butterfly valve automatically, further enlarge output flow range, stabilization of export pressure.

Claims (5)

1. a bypass is returned liquid motorized adjustment device, it is characterized in that it comprises piping installation and control device, wherein piping installation comprises main line and feed liquor pipeline connection, is divided into two branch roads at the main line end, and one is the fluid pipeline, another is the bypass branch road, and the bypass branch road is communicated with feed tube; Be provided with the liquid pump on main line, the feed liquor pipeline is provided with feed tube pressure-detecting device and feed tube valving; The fluid pipeline is provided with drain pipe pressure-detecting device, drain pipe valving and flowmeter; The bypass branch road is provided with by-pass valve device; Liquid pump, by-pass valve device, feed tube pressure-detecting device, feed tube valving, drain pipe pressure-detecting device, drain pipe valving and flowmeter all are connected with control module.
2. bypass as claimed in claim 1 is returned liquid motorized adjustment device, it is characterized in that, described liquid pump is connected with control module by frequency converter.
3. bypass as claimed in claim 1 is returned liquid motorized adjustment device, it is characterized in that, described by-pass valve device is an electric butterfly valve.
4. bypass as claimed in claim 1 is returned liquid motorized adjustment device, it is characterized in that, described feed tube pressure-detecting device is an inlet pressure sensor, and the feed tube valving is the import Hand-operated butterfly valve.
5. bypass as claimed in claim 1 is returned liquid motorized adjustment device, it is characterized in that, described drain pipe pressure-detecting device is an outlet pressure sensor, and described drain pipe valving is the outlet Hand-operated butterfly valve.
CNU2009200184599U 2009-01-23 2009-01-23 Bypass circulation reflux electric adjusting device Expired - Fee Related CN201340548Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200184599U CN201340548Y (en) 2009-01-23 2009-01-23 Bypass circulation reflux electric adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200184599U CN201340548Y (en) 2009-01-23 2009-01-23 Bypass circulation reflux electric adjusting device

Publications (1)

Publication Number Publication Date
CN201340548Y true CN201340548Y (en) 2009-11-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2009200184599U Expired - Fee Related CN201340548Y (en) 2009-01-23 2009-01-23 Bypass circulation reflux electric adjusting device

Country Status (1)

Country Link
CN (1) CN201340548Y (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203376A (en) * 2012-01-13 2013-07-17 鞍钢股份有限公司 Method for accurately controlling pressure of cold-rolled strip steel emulsion system
CN105045301A (en) * 2015-08-03 2015-11-11 江西洪都航空工业集团有限责任公司 Method for adjusting pulse test flow precisely
CN105952630A (en) * 2016-06-21 2016-09-21 珠海格力电器股份有限公司 Hydraulic pump and air conditioner
CN106090395A (en) * 2016-08-18 2016-11-09 中国航空工业集团公司西安飞机设计研究所 Fuel charger pressure flow control device is used in a kind of test
CN106184814A (en) * 2016-08-18 2016-12-07 中国航空工业集团公司西安飞机设计研究所 Calculation of pressure method and device at a kind of back pressure regulating valve inlet
CN107816438A (en) * 2017-10-19 2018-03-20 北京工研精机股份有限公司 A kind of centrifugal pump overflow mechanism for multi-station machine tool cooling
CN108071938A (en) * 2016-11-14 2018-05-25 天津市令发阀门有限公司 A kind of multi-pipeline flow control valve
CN108287083A (en) * 2018-04-17 2018-07-17 安徽中家智锐科技有限公司 A kind of accurate temperature control water end system of washing machine performance test station
CN111642108A (en) * 2020-05-30 2020-09-08 华为技术有限公司 Liquid cooling module, control method thereof and liquid cooling system for data center

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203376A (en) * 2012-01-13 2013-07-17 鞍钢股份有限公司 Method for accurately controlling pressure of cold-rolled strip steel emulsion system
CN103203376B (en) * 2012-01-13 2015-03-11 鞍钢股份有限公司 Method for accurately controlling pressure of cold-rolled strip steel emulsion system
CN105045301A (en) * 2015-08-03 2015-11-11 江西洪都航空工业集团有限责任公司 Method for adjusting pulse test flow precisely
CN105952630A (en) * 2016-06-21 2016-09-21 珠海格力电器股份有限公司 Hydraulic pump and air conditioner
CN105952630B (en) * 2016-06-21 2019-11-22 珠海格力电器股份有限公司 Hydraulic pump and air conditioner
CN106090395B (en) * 2016-08-18 2019-01-18 中国航空工业集团公司西安飞机设计研究所 A kind of test fuel charger pressure flow control device
CN106184814A (en) * 2016-08-18 2016-12-07 中国航空工业集团公司西安飞机设计研究所 Calculation of pressure method and device at a kind of back pressure regulating valve inlet
CN106090395A (en) * 2016-08-18 2016-11-09 中国航空工业集团公司西安飞机设计研究所 Fuel charger pressure flow control device is used in a kind of test
CN108071938A (en) * 2016-11-14 2018-05-25 天津市令发阀门有限公司 A kind of multi-pipeline flow control valve
CN107816438A (en) * 2017-10-19 2018-03-20 北京工研精机股份有限公司 A kind of centrifugal pump overflow mechanism for multi-station machine tool cooling
CN108287083A (en) * 2018-04-17 2018-07-17 安徽中家智锐科技有限公司 A kind of accurate temperature control water end system of washing machine performance test station
CN111642108A (en) * 2020-05-30 2020-09-08 华为技术有限公司 Liquid cooling module, control method thereof and liquid cooling system for data center
CN111642108B (en) * 2020-05-30 2021-07-16 华为技术有限公司 Liquid cooling module, control method thereof and liquid cooling system for data center

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091104

Termination date: 20180123

CF01 Termination of patent right due to non-payment of annual fee