CN201801948U - Normally-hung vacuum water guide starting device of centrifugal pump - Google Patents
Normally-hung vacuum water guide starting device of centrifugal pump Download PDFInfo
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- CN201801948U CN201801948U CN2010205155824U CN201020515582U CN201801948U CN 201801948 U CN201801948 U CN 201801948U CN 2010205155824 U CN2010205155824 U CN 2010205155824U CN 201020515582 U CN201020515582 U CN 201020515582U CN 201801948 U CN201801948 U CN 201801948U
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- centrifugal pump
- vacuum tank
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Abstract
The utility model relates to a normally-hung vacuum water guide starting device of a centrifugal pump, consisting of a vacuum pump, an air-water separator, a vacuum tank, a service water supplying system, an air exhaust pipeline and an electric control box, wherein the service water supplying system is communicated with the bottom of the vacuum pump; the vacuum pump is provided with the air-water separator and is communicated with the vacuum tank by the air exhaust pipeline; the vacuum tank is connected with a public air exhaust pipe of the centrifugal pump and a balance pipe of a water absorbing well; a water supply pipeline of the service water supplying system is provided with a water inlet electromagnetic valve, a service water flow switch and an adjusting isolating valve in sequence; the vacuum tank is equipped with a liquid level control device and a vacuum meter; and the air exhaust pipeline is provided with an air inlet blocking valve and an air inlet check valve. The normally-hung vacuum water guide starting device is applicable to vacuum suction and constant vacuum keeping of a plurality of centrifugal pumps, and can lead the eccentric pumps stopping running to be in a vacuum state generally, i.e. the top of the pipe is filled with water, the centrifugal pumps can be directly started at any time, the one-step automatic operation of a pump station is realized, so that the unattended purpose is achieved.
Description
Technical field:
The utility model relates to a kind of water treatment facilities, and auxiliary equipment in the pump works relates in particular to a kind of centrifugal pump and often hangs the vacuum water diversion starting drive.
Background technology:
The normal centrifugal pump that adopts is carried liquid in engineering of water treatment, when the pump center line exceeds liquid level, all priming device need be set, to guarantee the normal startup of water pump.Priming device commonly used has bottom valve, water sprayer, diversion tube, water-ring vacuum pump etc.
The bottom valve drawing water structure is simple, can keep the diversion performance after starting first, but still need pour water first, and bottom valve should have better seal, when being used for water intake pumping station, easily by obstructions such as weeds, stones, influences use because of being not closed completely.In addition, bottom valve is installed under water, the maintenance difficulty, and head loss is bigger, is only applicable to small-bore water pump, uses in the simple and easy pumping plant on a small scale.
Water sprayer priming device compact conformation make simply, but efficient is low, needs to supply with a large amount of press waters, and the diversion time is long, is only applicable to the general requirement of bleeding.
The diversion barrel structure is simple, and volume is bigger, and each startup all should manually-operated, but water level is low excessively, and is inapplicable when water inlet pipe is longer, also is to be applicable to small-sized centrifugal pump diversion system.
The vacuum pump priming device is directly to use in the vacuum pump pump up water pump housing and the air in the suction water pipe, reaches the purpose of diversion, and vacuum pump priming device functional reliability is good, concentrates diversion system applicable to large pumping station, many pumps.The vacuum pump priming device is to use a kind of modes best, that use is maximum.It is integrated that but traditional vacuum pump priming device does not have, and bad realization is controlled automatically.
Summary of the invention:
The purpose of this utility model provides a kind of centrifugal pump and often hangs the vacuum water diversion starting drive, this device is applicable to that the vacuum draw of several centrifugal pumps and constant vacuum keep, can make centrifugal pump out of service often be in vacuum state, promptly water is filled on the pipe top, can directly start centrifugal pump at any time, realize the operation automatically of pumping plant one stepization, reach unmanned.
To achieve these goals, the technical solution of the utility model is: a kind of centrifugal pump often hangs the vacuum water diversion starting drive, is made up of vacuum pump, moisture trap, vacuum tank, service water supply system, exhaust pipe and electric control box; The service water supply system communicates with the vacuum pump bottom, and moisture trap is installed on the vacuum pump, and vacuum pump is communicated with vacuum tank by exhaust pipe, and vacuum tank is connected with the absorbing well, absorption well balance pipe with the public exhaust tube of centrifugal pump; Entering water electromagnetic valve, service discharge switch are installed on the water supply line of service water supply system successively and regulate isolating valve; Be furnished with fluid level control device and vacuum meter on the vacuum tank; Be installed into gas isolating valve, and breather check valve on the exhaust pipe.
On the water supply line of above-mentioned service water supply system pressure meter is housed.
Above-mentioned vacuum tank is provided with the interface of vacuum pump suction tube, and exhaust pipe is connected on this interface.
Above-mentioned vacuum tank is provided with the interface that is connected with the public exhaust tube of centrifugal pump.
Above-mentioned vacuum tank is provided with the interface that is connected with the absorbing well, absorption well balance pipe.
The utility model is applicable to that the vacuum draw of several centrifugal pumps and constant vacuum keep, can make centrifugal pump out of service often be in vacuum state, promptly water is filled on the pipe top, can directly start centrifugal pump at any time, realize the operation automatically of pumping plant one stepization, reach unmanned.
Operating principle of the present utility model is: on the vacuum tank of vacuum water diversion starting drive automatic level controller is housed, vacuum pump makes the liquid level and the middle relative vacuum of liquid level of absorbing well, absorption well (or every centrifugal pump suction side) that produce in the vacuum tank in the vacuum tank by this liquid level control.Because this particular design, the vacuum that vacuum pump produces can change along with the change of absorbing well, absorption well liquid level.When centrifugal pump moved, along with the variation of jar internal gas pressure, vacuum tank emitted the liquid in the jar continuously by balance pipe.Every centrifugal pump links to each other with vacuum tank by vaccum suction tube separately, and therefore, centrifugal pump is equivalent to linker, can be full of water continuously and also can start at any time.When the initial work of this system, two vacuum pumps will turn round simultaneously, and to reduce suction time, later two vacuum pump one after the others move, and wherein a pump moves as main pump, and another then is a stand by pump.When this device moves next time, stand by pump originally will move as main pump, and original main pump will be as stand by pump.
Description of drawings:
Fig. 1 is the system layout schematic diagram of the utility model embodiment.
The specific embodiment:
Below in conjunction with drawings and Examples the utility model is further described.
A kind of centrifugal pump of the present utility model often hangs the vacuum water diversion starting drive, comprises two vacuum pumps 1 (the using and the reserved), a composition such as vacuum tank 2, a cover service water supply system 3, a cover exhaust pipe system 4 and a cover electric control box 5.Every vacuum pump 1 has a moisture trap 6.Be furnished with fluid level control device 7 (but comprising the observing water level indicating gage), vacuum meter 8 on the vacuum tank 2, connect the interface 9 of absorbing well, absorption well balance pipe, the interface 10 that connects the public exhaust tube of centrifugal pump and the interface 11 of vacuum pump suction tube.Service water supply system 3 comprises entering water electromagnetic valve 12, service discharge switch 13, regulates isolating valve 14 and pressure meter 15 etc., and every vacuum pump 1 is equipped with one group of service water 3.Exhaust pipe system 4 comprises the breather check valve 16 of every vacuum pump 1 and isolating valve, 17 etc.
The course of work of the present utility model is as follows: interior every centrifugal pump top vent of pumping plant and suction water pipe top pick out an exhaust tube, merge the back water level switch and electrically-controlled valve (electromagnetic valve or electrical ball valve) are installed, and be connected to the vacuum tank of this device with public centrifugal pump pump-line (or independent pipeline).After initial or overhaul finish, electrically-controlled valve is opened on the water pump top suction branch of all access vacuum tanks, start vacuum pump, entering water electromagnetic valve on the respective service water lines is opened simultaneously, air water mixed liquor in the vacuum pump chamber is by moisture trap, and air is separated out, and divides dried up overflow discharging, simultaneously, vacuum rises in the vacuum tank.Air in water pump and the suction line is extracted out, and vacuum reaches certain value in jar, and the corresponding peak level H2 that rises to of water level, all centrifugal pumps hang the water success, all are in the standby starting state, close vacuum pump then automatically.Work as vacuum system, the water pump stuffing-box, the gas that suction piping etc. are located to bleed, and the gas that water pump is separated out under negative pressure condition constantly enters vacuum tank, vacuum reduces in jar, vacuum is lower than down in limited time in jar, promptly jar interior drawdown is to lowest water level H1, fluid level control device sent the signal vacuum pump and opened again this moment, this moment, jar interior vacuum began again to increase, when vacuum reaches in limited time, be that water level rises to H2 again, send the halt instruction vacuum pump and stop automatically that vacuum remains at certain limit in the vacuum tank like this, make every water pump often be in water-filling state and maintenance, can start any water pump at any time.
After certain centrifugal pump is opened, close the electrically-controlled valve on its top pump-line, avoid water-aspirator pressure water to enter in the vacuum tank, make and often hang the vacuum water diversion starting drive and be among the dynamic balance state all the time.
The utility model is integrated compact design, except leaving the Overflow drainage interface with the pump-line interface of centrifugal pump, the balance pipe interface of vacuum tank, the service water interface of vacuum pump, every vacuum pump gas water separation tank, has a complete system of one's own.Service water can adopt plant area's tap water of certain pressure, and Overflow drainage is connected to sewer.When the service water supply system broke down, flow switch sent signal alarm.
The utility model adopts full automation control, and electric control box has control button and the indication of reporting to the police, but both execute-in-places is also remote controlled.Electric control box can be by the upwards level control module transfer system operation of passive contact, stop and the fault alarm model.
Claims (5)
1. a centrifugal pump often hangs the vacuum water diversion starting drive, it is characterized in that: be made up of vacuum pump, moisture trap, vacuum tank, service water supply system, exhaust pipe and electric control box; The service water supply system communicates with the vacuum pump bottom, and moisture trap is installed on the vacuum pump, and vacuum pump is communicated with vacuum tank by exhaust pipe, and vacuum tank is connected with the absorbing well, absorption well balance pipe with the public exhaust tube of centrifugal pump; Entering water electromagnetic valve, service discharge switch are installed on the water supply line of service water supply system successively and regulate isolating valve; Be furnished with fluid level control device and vacuum meter on the vacuum tank; Be installed into gas isolating valve, and breather check valve on the exhaust pipe.
2. centrifugal pump according to claim 1 often hangs the vacuum water diversion starting drive, it is characterized in that: on the water supply line of above-mentioned service water supply system pressure meter is housed.
3. centrifugal pump according to claim 1 often hangs the vacuum water diversion starting drive, it is characterized in that: above-mentioned vacuum tank is provided with the interface of vacuum pump suction tube, and exhaust pipe is connected on this interface.
4. centrifugal pump according to claim 1 often hangs the vacuum water diversion starting drive, it is characterized in that: above-mentioned vacuum tank is provided with the interface that is connected with the public exhaust tube of centrifugal pump.
5. centrifugal pump according to claim 1 often hangs the vacuum water diversion starting drive, it is characterized in that: above-mentioned vacuum tank is provided with the interface that is connected with the absorbing well, absorption well balance pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205155824U CN201801948U (en) | 2010-09-03 | 2010-09-03 | Normally-hung vacuum water guide starting device of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205155824U CN201801948U (en) | 2010-09-03 | 2010-09-03 | Normally-hung vacuum water guide starting device of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201801948U true CN201801948U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205155824U Expired - Lifetime CN201801948U (en) | 2010-09-03 | 2010-09-03 | Normally-hung vacuum water guide starting device of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201801948U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148345A (en) * | 2013-02-01 | 2013-06-12 | 太平洋水处理工程有限公司 | Energy-saving fully-automatic normally-lifting vacuum device |
| CN104891403A (en) * | 2015-04-16 | 2015-09-09 | 浙江大学台州研究院 | Suspension shock absorber shock absorption liquid vacuum filling system and suspension shock absorber shock absorption liquid vacuum filling method |
| CN107676629A (en) * | 2017-10-16 | 2018-02-09 | 南京航空航天大学 | Alkali device and its control method are unloaded in zero leakage based on gas-liquid conversion |
| CN107676628A (en) * | 2017-04-13 | 2018-02-09 | 深圳市宝安东江环保技术有限公司 | Vacuum automatic water-leading system and method |
| CN110409589A (en) * | 2019-07-31 | 2019-11-05 | 艾迪机器(杭州)有限公司 | A kind of anti-stifled jetting stream vacuum drainage system of no pumping plant |
-
2010
- 2010-09-03 CN CN2010205155824U patent/CN201801948U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148345A (en) * | 2013-02-01 | 2013-06-12 | 太平洋水处理工程有限公司 | Energy-saving fully-automatic normally-lifting vacuum device |
| CN103148345B (en) * | 2013-02-01 | 2016-05-18 | 太平洋水处理工程有限公司 | A kind of Water-saving full automatic often hangs vacuum plant |
| CN104891403A (en) * | 2015-04-16 | 2015-09-09 | 浙江大学台州研究院 | Suspension shock absorber shock absorption liquid vacuum filling system and suspension shock absorber shock absorption liquid vacuum filling method |
| CN104891403B (en) * | 2015-04-16 | 2017-01-18 | 浙江大学台州研究院 | Suspension shock absorber shock absorption liquid vacuum filling system and suspension shock absorber shock absorption liquid vacuum filling method |
| CN107676628A (en) * | 2017-04-13 | 2018-02-09 | 深圳市宝安东江环保技术有限公司 | Vacuum automatic water-leading system and method |
| CN107676629A (en) * | 2017-10-16 | 2018-02-09 | 南京航空航天大学 | Alkali device and its control method are unloaded in zero leakage based on gas-liquid conversion |
| CN107676629B (en) * | 2017-10-16 | 2023-10-27 | 南京航空航天大学 | Zero leakage alkali unloading device based on gas-liquid conversion and control method thereof |
| CN110409589A (en) * | 2019-07-31 | 2019-11-05 | 艾迪机器(杭州)有限公司 | A kind of anti-stifled jetting stream vacuum drainage system of no pumping plant |
| CN110409589B (en) * | 2019-07-31 | 2024-03-26 | 艾迪机器(杭州)有限公司 | Non-pump station anti-blocking jet flow vacuum drainage system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |