CN205001209U - Water ring automatic control formula strong self -priming pump - Google Patents
Water ring automatic control formula strong self -priming pump Download PDFInfo
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- CN205001209U CN205001209U CN201520648574.XU CN201520648574U CN205001209U CN 205001209 U CN205001209 U CN 205001209U CN 201520648574 U CN201520648574 U CN 201520648574U CN 205001209 U CN205001209 U CN 205001209U
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Abstract
The utility model relates to a water ring automatic control formula strong self -priming pump to the centrifugal pump is the main part, is equipped with floating ball liquid level switch on the gas vent of centrifugal pump, and floating ball liquid level switch top is continuous with water ring vacuum pump's entry through bleeding pipeline and exhaust tube check valve on the road, and water ring vacuum pump's export is passed through exhaust pipe and is connected with the gas -liquid separation jar, in the one end of the below of gas -liquid separation jar connection back flow, the other end of back flow is connected with water ring vacuum pump's the mouth of watering. This self priming pump self is bled and is absorbed water, and the time of inhaling certainly is short, and not only work efficiency is high, reaches unmanned guard's automatic purpose moreover through autonomous system.
Description
Technical field
The utility model relates to a kind of water ring self-controlled type Strong self priming pump, be suitable for oil, chemical industry every profession and trade require self-priming pump on use, be convenient to realize Automated condtrol.
Background technique
As everyone knows, put under petroleum chemical enterprise's refinery device liquid under mainly using long shaft submerged pump, submerged pump, non-sealing self-sucking pump and the liquid such as strong self-priming pump, turbine-type self-priming pump in the past and put on pump, its structural principle, pluses and minuses are as follows:
One, strong self-priming pump: main structure principle: centrifugal pump shaft lengthens by (1), drives the suction-exhaust mechanism being configured in bearing housing place, with plastic flexible pipe by suction-exhaust mechanism and pump suction pipe UNICOM by self pump shaft; (2) switch on power, gas in suction pipe and pump case is discharged by suction-exhaust mechanism, and medium sucks pump chamber, then is departed from by the pump shaft of suction-exhaust mechanism and High Rotation Speed, makes it stop suction and discharge, regulates outlet valve, makes pump operation.
Problems existing in operation process: (1) suction and discharge system failure rate is high.Because bearing housing addition of suction-exhaust mechanism load, bearing housing bearing and suction and discharge driving gear very rapid wear, frequent repair and replacement;
(2) inhale vacuum to start to be without medium in the pump housing, machine end-blocking face is done rotation and is often caused dry friction to damage, and after dry grinding with packing seal, gap becomes large, and gas leakage vacuumizes frequent inefficacy;
(3) suction-exhaust mechanism gear needs manual gear clutch, operation inconvenience, beats tooth phenomenon, easily produce spark, there is potential safety hazard when often there is gears to engage and disengage;
(4) medium is often inhaled into suction-exhaust mechanism, causes water spray phenomenon;
(5) complex structure, dismounting inconvenient maintenance; Nonstandard pump, safeguards that interchangeability is poor;
(6) scene needs people to guard, and automaticity is poor.
Two, non-sealing self-sucking pump: main structure principle: be provided with gas-liquid separation chamber in pump case, medium is filled by the liquid storage room of the pump housing and below thereof before starting, be separated and backflow by the continuous gas-liquid delivery of impeller after starting, suction pipe air taken away, reaches object medium being sucted introducing.
Turn over Problems existing in journey: (1) self-priming performance reliability is low, when especially medium has impurity, frequent self-priming lost efficacy, and pump startup does not show liquid;
(2) pump efficiency is low, itself there is hydraulic loss and return loss, and hydraulic performance falls behind, and power consumption is large;
(3) suction capacity is poor, maximumly sucts 4.5m;
(4) intake air control valve often lost efficacy, and after causing termination of pumping, medium siphon is flow backwards, then when this starts, self-priming lost efficacy, and frequently keeped in repair;
(5) when stopping transport, in pump, liquid easily overflows from accessory vane shaft seal;
(6) outdoor work in winter is not suitable for;
(7) need people to guard, automaticity is low.
Three, interior backflow self-priming pump (being also referred to as vapor and liquid mixed self-priming pump) main structure principle: be designed with gas-liquid separation chamber in the pump housing, before starting, pump is filled medium, after starting by impeller constantly mixed defeated, be separated and backflow, by pump suction pipe evacuate space, reach the object that medium sucts.
Problems existing in operation process: in (1) pump housing, separation chamber's fluid return ports is subject to impurity blocking, often causes self-priming to lose efficacy;
(2) pump efficiency is low, there is hydraulic loss and return loss;
(3) self-priming time is longer;
(4) self-priming performance reliable rows is not high, and suction capacity is poor;
(5) outdoor work in winter is not suitable for;
(6) need people to guard, automation Chengdu is not high.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of water ring self-controlled type Strong self priming pump, and this self-priming pump self is bled water suction, and self-priming time is short, and not only working efficiency is high, and reaches unattended automation object by robot control system(RCS).
For overcoming the above problems, concrete technological scheme of the present utility model is as follows: a kind of water ring self-controlled type Strong self priming pump, based on centrifugal pump, the relief opening of centrifugal pump is provided with floating-ball level switch, be connected with the entrance of water ring vaccum pump with the safety check on exhaust pipe by exhaust pipe above floating-ball level switch, Water-ring vacuum delivery side of pump is connected with knockout drum by gas exhaust piping; Connect one end of reflow pipe in the below of knockout drum, the other end of reflow pipe is connected with the water filling port of water ring vaccum pump.
The outlet port of described centrifugal pump is provided with pressure switch, and pressure switch is connected with the control box of outside respectively by datawire with floating-ball level switch, and control box is connected with motor switch cabinet again; The mair motor of centrifugal pump is connected with motor switch cabinet respectively by power line with the auxiliary motor on water ring vaccum pump.
This water ring self-controlled type Strong self priming pump adopts water ring vaccum pump as exhaust evacuator, makes the centrifugal pump without suction capacity also be provided with the function of self-priming pump.
By the connection of electric component and control box, the automatic operating of whole system can be realized, when can ensure to be full of medium in pump, automatically start centrifugal pump.And after pump startup is good, automatic closing water ring vacuum pump, is convenient to realize Automated condtrol.
Accompanying drawing explanation
Fig. 1 is the plan view of water ring self-controlled type Strong self priming pump.
Fig. 2 is the plan view of water ring self-controlled type Strong self priming pump.
Fig. 3 is the electrical equipment connection diagram of water ring self-controlled type Strong self priming pump.
Embodiment
As depicted in figs. 1 and 2, a kind of water ring self-controlled type Strong self priming pump, based on centrifugal pump 1, the relief opening 2 of centrifugal pump 1 is provided with floating-ball level switch 3, be connected with the entrance of water ring vaccum pump 6 with the safety check 4 on exhaust pipe by exhaust pipe 5 above floating-ball level switch 3, the outlet of water ring vaccum pump 6 is connected with knockout drum 8 by gas exhaust piping 7; Connect one end of reflow pipe 9 in the below of knockout drum 8, the other end of reflow pipe 9 is connected with the water filling port of water ring vaccum pump 6.
As shown in Figure 3, the outlet port of described centrifugal pump 1 is provided with pressure switch 10, and pressure switch 10 is connected with the control box 13 of outside respectively by datawire with floating-ball level switch 3, and control box 13 is connected with motor switch cabinet 14 again; The mair motor 11 of centrifugal pump 1 is connected with motor switch cabinet 14 respectively by power line with the auxiliary motor 12 on water ring vaccum pump 6.
Its dynamic working procedure is: before startup pump, pours water to mark liquid level, the outlet valve of centrifugal pump 1, inlet valve are opened in knockout drum 8.Press and open push button and switch on power, water ring vaccum pump 6 helper motor is opened automatically, water ring vaccum pump is started working and is carried out bleeding and makes to form vacuum gradually in suction pipe, and gas is discharged in knockout drum 8 by gas exhaust piping 7, liquid simultaneously bottom knockout drum 8 flows in water ring vaccum pump 6 by reflow pipe 9, starts to make water ring vaccum pump 6.Made the gas emptying in pipeline and pump chamber by water ring vaccum pump, the medium that the negative pressure of formation makes centrifugal pump pump enters pipeline and pump chamber, and when liquid level rises to float switch position, float switch command motor starts automatically, and centrifugal pump 1 is started working.Under pump discharge pressure effect, pressure switch 10 action, the helper motor of water ring vaccum pump quits work.When the setting pressure of delivery side of pump pressure lower than pressure switch, pressure switch is connected the motor of water ring vaccum pump again, and water ring vaccum pump starts the work of suction and pumping gas, repeats action above, until to making pump normally run all the time.
This water ring self-controlled type Strong self priming pump has the following advantages:
Need not pour water when 1, starting, adopt water ring vaccum pump, without bottom valve, realize Ordinary Centrifugal Pumps self and to bleed water suction;
2, self-priming time is short, according to pipeline specification and sealing situation difference, be only 30 seconds the soonest;
3, unique chain control device, makes to be near vacuum shape body between liquid level to pump discharge all the time, raises the efficiency;
4, the working medium of water ring vaccum pump is clear water, is recycled, safety by knockout drum, economy, environmental protection;
5, rotatable parts are away from medium pool, ensure essential safety;
6, adopt without axle construction under liquid, greatly extend the working life of pump, the operation portion overcoming common long shaft submerged pump is stable, and axle sleeve, axle bush serious wear, keep in repair the shortcomings such as frequent;
7, rational in infrastructure, Operation and Maintenance is simple, greatly saves operation expense;
8, by automatic control system, pump is in operation if there is " dehydration " phenomenon, can reach the effect of " runback of cutting off the water supply "; Pump idle running or after medium drains, can autostop within the time of setting, can realize left unguarded.
Claims (2)
1. a water ring self-controlled type Strong self priming pump, it is characterized in that: based on centrifugal pump (1), the relief opening (2) of centrifugal pump (1) is provided with floating-ball level switch (3), floating-ball level switch (3) top is connected with the entrance of water ring vaccum pump (6) with the safety check (4) on exhaust pipe by exhaust pipe (5), and the outlet of water ring vaccum pump (6) is connected with knockout drum (8) by gas exhaust piping (7); Connect one end of reflow pipe (9) in the below of knockout drum (8), the other end of reflow pipe (9) is connected with the water filling port of water ring vaccum pump (6).
2. water ring self-controlled type Strong self priming pump as claimed in claim 1, it is characterized in that: the outlet port of described centrifugal pump (1) is provided with pressure switch (10), pressure switch (10) is connected with outside control box (13) respectively by datawire with floating-ball level switch (3), and control box (13) is connected with motor switch cabinet (14) again; The mair motor (11) of centrifugal pump (1) is connected with motor switch cabinet (14) respectively by power line with the auxiliary motor (12) on water ring vaccum pump (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520648574.XU CN205001209U (en) | 2015-08-26 | 2015-08-26 | Water ring automatic control formula strong self -priming pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520648574.XU CN205001209U (en) | 2015-08-26 | 2015-08-26 | Water ring automatic control formula strong self -priming pump |
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| CN205001209U true CN205001209U (en) | 2016-01-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640680A (en) * | 2016-11-30 | 2017-05-10 | 江苏振华泵业股份有限公司 | Electric self-suction fire pump |
| CN107829948A (en) * | 2017-10-20 | 2018-03-23 | 项达章 | A kind of self-priming fire pump of marine electric |
| CN108457862A (en) * | 2018-04-09 | 2018-08-28 | 浙江工业大学 | A kind of self-priming apparatus and a kind of centrifugal pump |
| CN110953161A (en) * | 2019-12-31 | 2020-04-03 | 深圳市合一精密泵业科技有限公司 | Centrifugal pump device with self-priming water pumping function and self-priming water pumping method |
-
2015
- 2015-08-26 CN CN201520648574.XU patent/CN205001209U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640680A (en) * | 2016-11-30 | 2017-05-10 | 江苏振华泵业股份有限公司 | Electric self-suction fire pump |
| CN107829948A (en) * | 2017-10-20 | 2018-03-23 | 项达章 | A kind of self-priming fire pump of marine electric |
| CN108457862A (en) * | 2018-04-09 | 2018-08-28 | 浙江工业大学 | A kind of self-priming apparatus and a kind of centrifugal pump |
| CN108457862B (en) * | 2018-04-09 | 2024-03-26 | 浙江工业大学 | Self-priming device and centrifugal pump |
| CN110953161A (en) * | 2019-12-31 | 2020-04-03 | 深圳市合一精密泵业科技有限公司 | Centrifugal pump device with self-priming water pumping function and self-priming water pumping method |
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Address after: 115200 Beihai Electric Machinery Industrial Park, Yingkou City, Liaoning Province Patentee after: Liaoning demengte Technology Co. Ltd. Address before: 115200 Electrical Industry Park, Beihai New Area, Yingkou City, Liaoning Province Patentee before: LIAONING XINTIANYUAN PUMP CO., LTD. |