CN211950883U - Tank type self-priming pump device - Google Patents
Tank type self-priming pump device Download PDFInfo
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- CN211950883U CN211950883U CN202020330189.1U CN202020330189U CN211950883U CN 211950883 U CN211950883 U CN 211950883U CN 202020330189 U CN202020330189 U CN 202020330189U CN 211950883 U CN211950883 U CN 211950883U
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Abstract
The utility model provides a pot-type self priming pump device, includes the self priming jar, self priming jar entry flange links to each other with the exit end flange of inlet tube, and self priming jar exit flange links to each other with centrifugal pump entry flange, and the priming device and the self priming jar exhaust subassembly on self priming jar through its top are connected with notes liquid pipe and blast pipe one end respectively, and the notes liquid pipe other end links to each other with the liquid storage tank pond, and the medium and the gaseous return liquid storage tank pond or other safe places that spill over from self priming jar exhaust subassembly when the blast pipe other end links to each other with liquid storage tank pond or other safe places and make the tank of irritating. Adopt priming device to give from inhaling the canning and annotate liquid, solved except that clear water other medium can't realize the problem of filling the jar for the first time, even the scene does not have the water source also can use, can guarantee through the priming device who adopts different structures that flammable and explosive, strong corruption, viscous medium etc. various complicated operating mode's such as first pump filling and follow-up fluid infusion have enlarged the application range of this kind of pump type, because of filling the jar with the medium promptly as the transport medium, prevented the pollution of clear water to transport medium.
Description
Technical Field
The utility model belongs to the technical field of the self priming pump, in particular to pot-type self priming pump device.
Background
The centrifugal pump is a common device in the process of liquid conveying, water must be filled in advance when the common centrifugal pump is started if the suction liquid level is below the impeller, the water is inconvenient, a bottom valve needs to be installed at the inlet of the suction pipe in order to store water in the pump, and the bottom valve causes great water conservancy loss when the pump works. The self-priming pump is operated in a short time without filling water before the pump is operated. The water can be sucked up by the action of the pump to be put into normal operation. The submerged self-priming pump in China mainly has the following problems: first, internal reflux formula self priming pump, the easy jam of liquid backward flow hole in the pump body causes from inhaling the inefficacy, and is inefficient, inhales certainly for long time, is unsuitable for winter outdoor operation. Secondly, the self-priming pump without a sealing type has low efficiency and large energy consumption, liquid in the pump is easy to overflow when the pump is stopped, the self-priming performance reliability is low, and the self-priming pump is not suitable for outdoor operation in winter; the pump is a strong self-priming pump, the failure rate of a vacuum system is high, a bearing and a transmission gear are easy to damage, a manual gear is engaged and disengaged, the operation is inconvenient, the structure is complex, the maintenance is inconvenient, the machine seal needs to be washed externally, the end face is easy to be subjected to dry grinding failure, the energy consumption is high, a non-standard pump part is adopted, and the maintenance interchangeability is poor; and fourthly, the turbine type self-priming pump is used for vacuumizing by using a turbine fan, and gas is discharged through an impeller rotating at a high speed, so that potential safety hazards exist if flammable and explosive gas is encountered. Compared with the self-priming pump, the jet tank type self-priming pump is popular with the majority of users because of having the advantages of simple structure, low price, reliable performance, high efficiency, high safety and the like. But need to fill the medium for making things convenient for the medium to inhale for the self priming jar before this kind of new pump of self priming pump is started for the first time, the jar in the medium can be emptied when the pump breaks down to start many times, needs to irritate the jar again. The operating mode that adopts this kind of structure self priming pump at present reserves one at self priming jar tank deck and annotates the liquid mouth, from annotating the liquid mouth for self priming jar fill up the clear water or for supplementing the clear water in jar after the jar interior medium is emptied for the self priming jar before opening the pump for the first time. Some poisonous and harmful, strong corrosion and high temperature medium delivery pumps can not influence the product quality because of not mixing into clear water, can not pour into the same medium directly from reserving the mouth again, therefore can't use this kind of self priming pump.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that prior art exists, the utility model provides a tank type self priming pump device, this tank type self priming pump device simple structure, convenient operation have changed current tank type self priming pump and can only give the restriction that the pump was opened in the interior injection clear water drainage of self priming jar, have enlarged tank type self priming pump device's application range.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a pot-type self priming pump device, includes self priming tank and centrifugal pump, self priming tank entry flange links to each other with the exit end flange of inlet tube, and self priming tank exit flange links to each other with centrifugal pump entry flange, and self priming tank passes through the priming device on its top and self priming tank exhaust subassembly is connected with notes liquid pipe and blast pipe one end respectively, and it irritates jar for self priming tank to annotate the liquid pipe other end and link to each other with absorption liquid storage tank pond internal medium, and the blast pipe other end links to each other with liquid storage tank pond or other safe places and returns liquid storage tank pond or discharges to other safe places from medium and the gas that self priming tank exhaust subassembly spilled over when irritating.
The self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly or an automatic self-priming tank exhaust assembly.
The manual self-priming tank exhaust assembly comprises a connecting pipe and a manual valve, the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank, the outlet end of the connecting pipe is connected with the inlet end of an exhaust pipe, and the manual valve is installed on the connecting pipe.
The automatic self-priming tank exhaust assembly comprises a connecting pipe and a valve, wherein the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank, the outlet end of the connecting pipe is connected with the inlet end of an exhaust pipe, the valve is arranged on the connecting pipe, and the valve is an electric valve or a pneumatic valve.
The centrifugal pump is a vertical centrifugal pump or a horizontal centrifugal pump.
The liquid injection device is a small hand-operated swing rotor pump, an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump.
And a window or a liquid level switch is arranged on the wall of the self-priming tank.
The liquid injection device is a small hand-operated swing rotor pump, the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly, a window is arranged on the tank wall of the self-priming tank, the self-priming tank is filled and exhausted with gas in the self-priming tank under the combined action of the small hand-operated swing rotor pump and the manual self-priming tank exhaust assembly, and the medium liquid level in the self-priming tank is monitored through the window; open the manual valve on the manual self priming jar exhaust assembly when the pump is irritated to the first time starting, wave small-size hand formula swing rotor pump rocking handle, the medium is taken out from the liquid storage tank pond and is irritated into the self priming jar through annotating the liquid pipe, gas discharges in the self priming jar along with manual self priming jar exhaust assembly, medium and gas that manual self priming jar exhaust assembly connects the exhaust pipe to spill over from manual self priming jar exhaust assembly when irritating the jar returns the liquid storage tank pond or discharges to other safe places, guarantee the scene not polluted by spill over medium and poisonous and harmful gas. When the window displays that the medium in the self-priming tank reaches the designated liquid level, the manual valve on the exhaust assembly of the manual self-priming tank is closed, and the self-priming pump is formally started.
The liquid injection device is an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump, the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly, a window is arranged on the tank wall of the self-priming tank, the self-priming tank is filled with gas and discharged from the interior of the self-priming tank under the combined action of the electric gear transmission oil well pump, the small electric diaphragm pump or the small pneumatic diaphragm pump and the manual self-priming tank exhaust assembly, and the medium liquid level in the self-priming tank is monitored through the window; open the manual valve on the manual self priming jar exhaust subassembly when opening the pump for the first time and irritating the pump, start electronic gear drive oil-well pump, small-size electronic diaphragm pump or small-size pneumatic diaphragm pump, the medium is taken out in the liquid storage tank pond and is irritated the self priming jar through annotating the liquid pipe, gas is discharged in the same direction as manual self priming jar exhaust subassembly in the self priming jar, medium and gas that manual self priming jar exhaust subassembly spilt from manual self priming jar exhaust subassembly when the exhaust pipe is irritated the jar in order to guide return jar pond or discharge to other safe places, guarantee that the scene is not polluted by spilling over medium and poisonous and harmful gas. When the window displays that the medium in the self-priming tank reaches the designated liquid level, the manual valve on the exhaust assembly of the manual self-priming tank is closed, and the self-priming pump is formally started.
When the liquid injection device is an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump, the self-priming tank exhaust assembly is an automatic self-priming tank exhaust assembly, a liquid level switch is installed on the tank wall of the self-priming tank, the self-priming tank is filled with gas and discharged from the self-priming tank under the combined action of the electric gear transmission oil well pump, the small electric diaphragm pump or the small pneumatic diaphragm pump and the automatic self-priming tank exhaust assembly, and the medium liquid level in the self-priming tank is monitored through the liquid level switch; the electric valve or pneumatic valve on the automatic self priming jar exhaust subassembly is opened when opening the pump for the first time and irritating the pump, start electric gear drive oil-well pump, small-size electric diaphragm pump or small-size pneumatic diaphragm pump, the medium is taken out in the liquid storage tank pond and is irritated the self priming jar through annotating the liquid pipe, gas is in the self priming jar discharged in the same direction as automatic self priming jar exhaust subassembly, automatic self priming jar exhaust subassembly connects the medium and the gas that overflow from automatic self priming jar exhaust subassembly when irritating the jar with the guide and returns jar pond or discharges to other safe places, guarantee the scene not by spilling over medium and poisonous and harmful gas pollution. The liquid level switch and the valve are arranged, so that when the high liquid level is realized through remote control, the electric gear transmission oil pump, the small electric diaphragm pump or the small pneumatic diaphragm pump stop running, the tank filling is stopped, and the low liquid level alarm stops running of the centrifugal pump or re-fills the self-priming tank.
The utility model has the advantages that:
(1) adopt priming device to give from inhaling the canning and annotate liquid, solved except that clear water other medium can't realize the problem of irritating the jar for the first time, even the scene does not have the water source also can use, can guarantee through the priming device who adopts different structures that inflammable and explosive, strong corruption, the first pump and follow-up fluid infusion of various complicated operating modes such as viscous medium have enlarged the application range of this kind of pump type, because of irritating the jar with the medium promptly as the transport medium, prevented the pollution of clear water to transport medium.
(2) The liquid injection device adopts a small hand-operated swing rotor pump, has simple structure and low price, is easy to operate, and is suitable for conveying non-toxic and harmful media.
(3) The liquid injection device adopts an electric gear transmission oil well pump which is corrosion resistant and can convey viscous media.
(4) And the liquid injection device adopts a pneumatic diaphragm pump, a transmission part is not contacted with a medium, the safety is high, and the device is suitable for inflammable and explosive media.
(5) Set up liquid level switch and automatic self priming jar exhaust assembly and can realize remote control and liquid level warning, realize the automated control of whole device, operating personnel need not to the field operation, and the personal safety that more can ensure operating personnel outside the material resources of using manpower sparingly prevents accident's emergence.
Drawings
FIG. 1 is a schematic structural view of a vertical canister type self-priming pump device according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a horizontal canister type self-priming pump device according to embodiment 2 of the present invention;
FIG. 3 is a schematic structural view of a vertical canister self-priming pump device according to embodiment 3 of the present invention;
FIG. 4 is a schematic structural view of a vertical canister self-priming pump device according to embodiment 4 of the present invention;
1. self priming jar entry flange, 2, priming device, 3, window, 4, self priming jar, 5, manual self priming jar exhaust subassembly, 6, self priming jar export flange, 7, liquid level switch, 8, automatic self priming jar exhaust subassembly, 9, annotate the liquid pipe, 10, inlet tube, 11, vertical centrifugal pump, 12, blast pipe, 13, horizontal centrifugal pump.
Detailed Description
The utility model provides a pot-type self priming pump device. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in figure 1, a tank type self-priming pump device comprises a self-priming tank 4 and a centrifugal pump, wherein an inlet flange 1 of the self-priming tank is connected with an outlet end flange of an inlet pipe 10, an outlet flange 6 of the self-priming tank is connected with an inlet flange of the centrifugal pump, the self-priming tank 4 is respectively connected with a priming pipe 9 and one end of an exhaust pipe 12 through a priming device 2 and an exhaust component at the top end of the self-priming tank, the other end of the priming pipe 9 is connected with a liquid storage tank pool to suck media in the liquid storage tank pool to fill the self-priming tank 4, the other end of the exhaust pipe 12 is connected with the liquid storage tank pool or other safe places to guide media and gas overflowing from the exhaust component of the self-, the exhaust assembly of the self-priming tank is a manual exhaust assembly 5 of the self-priming tank, the centrifugal pump is a vertical centrifugal pump 11, the priming device 2 is small-size hand formula swing rotor pump, install window 3 on the jar wall of self priming jar 4.
In the embodiment, the liquid injection device 2 is a small hand-operated swing rotor pump, the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly 5, a window 3 is arranged on the tank wall of the self-priming tank 4, the self-priming tank 4 is filled with gas and discharged from the interior of the self-priming tank 4 under the combined action of the small hand-operated swing rotor pump and the manual self-priming tank exhaust assembly 5, and the medium liquid level in the self-priming tank 4 is monitored through the window 3; the manual self-priming tank exhaust assembly 5 comprises a connecting pipe and a manual valve, the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank 4, the outlet end of the connecting pipe is connected with the inlet end of the exhaust pipe 12, and the manual valve is arranged on the connecting pipe; open the manual valve on manual self priming jar exhaust assembly 5 when opening the pump for the first time and irritate the pump, wave small-size hand formula swing rotor pump rocking handle, the medium is taken out from the liquid storage tank pond and is irritated self priming jar 4 through annotating liquid pipe 9, gas is in the same direction as manual self priming jar exhaust assembly 5 and discharges in self priming jar 4, medium and gas that manual self priming jar exhaust assembly 5 meets exhaust pipe 12 and spills over from manual self priming jar exhaust assembly 5 when irritating the jar in order to guide return liquid storage tank pond or other safe places, guarantee the scene not polluted by spilling over medium and poisonous and harmful gas. When window 3 shows that medium is to appointed liquid level in the self priming jar 4 manual valve on the manual self priming jar exhaust subassembly 5 of closing, the self priming pump formally starts.
Example 2
Example 3
When the liquid injection device 2 is an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump, the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly 5, a window 3 is arranged on the tank wall of the self-priming tank 4, the self-priming tank 4 is filled with gas and discharged from the interior of the self-priming tank 4 under the combined action of the electric gear transmission oil well pump, the small electric diaphragm pump or the small pneumatic diaphragm pump and the manual self-priming tank exhaust assembly 5, and the liquid level of a medium in the self-priming tank 4 is monitored through the window 3; the manual self-priming tank exhaust assembly 5 comprises a connecting pipe and a manual valve, the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank 4, the outlet end of the connecting pipe is connected with the inlet end of the exhaust pipe 12, and the manual valve is arranged on the connecting pipe; open the manual valve on manual self priming jar exhaust subassembly 5 when opening the pump for the first time and irritating the pump, start electronic gear drive oil-well pump, small-size electronic diaphragm pump or small-size pneumatic diaphragm pump, the medium is taken out in the liquid storage tank pond and is irritated self priming jar 4 through annotating liquid pipe 9, gas is in the same direction as manual self priming jar exhaust subassembly 5 and discharges in self priming jar 4, medium and gas that manual self priming jar exhaust subassembly 5 meets exhaust pipe 12 and spills over from manual self priming jar exhaust subassembly 5 when irritating the jar in order to guide return a jar pond or discharge to other safe places, guarantee the scene not by spilling over medium and poisonous harmful gas pollution. When window 3 shows that medium is to appointed liquid level in the self priming jar 4 manual valve on the manual self priming jar exhaust subassembly 5 of closing, the self priming pump formally starts.
Example 4
When the liquid injection device 2 is an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump, the self-priming tank exhaust assembly is an automatic self-priming tank exhaust assembly 8, a liquid level switch 7 is installed on the tank wall of the self-priming tank 4, the self-priming tank 4 is filled with gas and discharged from the inside of the self-priming tank 4 under the combined action of the electric gear transmission oil well pump, the small electric diaphragm pump or the small pneumatic diaphragm pump and the automatic self-priming tank exhaust assembly 8, and the liquid level of a medium in the self-priming tank 4 is monitored through the liquid level switch; the automatic self-priming tank exhaust assembly 8 comprises a connecting pipe and a valve, wherein the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank 4, the outlet end of the connecting pipe is connected with the inlet end of the exhaust pipe 12, the connecting pipe is provided with the valve, and the valve is an electric valve or a pneumatic valve; electric valve or pneumatic valve on the automatic self priming jar exhaust subassembly 8 open when opening the pump for the first time and irritating the pump, start electric gear drive oil-well pump, small-size electric diaphragm pump or small-size pneumatic diaphragm pump, the medium is taken out in the liquid storage tank pond and is irritated self priming jar 4 through annotating liquid pipe 9, gas is in the self priming jar 4 in the same direction as automatic self priming jar exhaust subassembly 8 discharges, automatic self priming jar exhaust subassembly 8 connects exhaust pipe 12 and returns jar pond or other safe places with medium and the gas that spills over from automatic self priming jar exhaust subassembly 8 when the guide irritates the jar and discharges, guarantee the scene not by spilling over medium and poisonous harmful gas pollution. The liquid level switch 7 and the valve are arranged to remotely control the stop operation of the electric gear transmission oil pump, the small electric diaphragm pump or the small pneumatic diaphragm pump when the high liquid level is realized, stop the tank filling and the low liquid level alarm stop the operation of the centrifugal pump or re-fill the tank for the self-priming tank 4.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a pot-type self priming pump device, a serial communication port, including self priming jar and centrifugal pump, self priming jar entry flange links to each other with the exit end flange of inlet tube, and self priming jar exit flange links to each other with centrifugal pump entry flange, and self priming jar is connected with notes liquid pipe and blast pipe one end respectively through the priming device on its top and self priming jar exhaust subassembly, and it irritates jar for self priming jar to annotate the liquid pipe other end and link to each other with absorption liquid storage tank pond internal medium, and the blast pipe other end links to each other with liquid storage tank pond or safe place and returns liquid storage tank pond or discharges to safe place from medium and the gas that self priming jar exhaust subassembly spilled over when irritating.
2. The canister self-primer pump device of claim 1 wherein: the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly or an automatic self-priming tank exhaust assembly.
3. The canister self-primer pump device of claim 2 wherein: the manual self-priming tank exhaust assembly comprises a connecting pipe and a manual valve, the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank, the outlet end of the connecting pipe is connected with the inlet end of an exhaust pipe, and the manual valve is installed on the connecting pipe.
4. The canister self-primer pump device of claim 2 wherein: the automatic self-priming tank exhaust assembly comprises a connecting pipe and a valve, wherein the inlet end of the connecting pipe is connected with the top end of the tank body of the self-priming tank, the outlet end of the connecting pipe is connected with the inlet end of an exhaust pipe, the valve is arranged on the connecting pipe, and the valve is an electric valve or a pneumatic valve.
5. The canister self-primer pump device of claim 1 wherein: the centrifugal pump is a vertical centrifugal pump or a horizontal centrifugal pump.
6. The canister self-primer pump device of claim 1 wherein: the liquid injection device is a small hand-operated swing rotor pump, an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump.
7. The canister self-primer pump device of claim 1 wherein: and a window or a liquid level switch is arranged on the wall of the self-priming tank.
8. The canister self-primer pump device of claim 1 wherein: the liquid injection device is a small hand-operated swing rotor pump, the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly, a window is arranged on the tank wall of the self-priming tank, the self-priming tank is filled and exhausted with gas in the self-priming tank under the combined action of the small hand-operated swing rotor pump and the manual self-priming tank exhaust assembly, and the medium liquid level in the self-priming tank is monitored through the window; when the pump is started for pumping for the first time, a manual valve on a manual self-priming tank exhaust assembly is opened, a small hand-operated swing rotor pump crank is shaken, a medium is pumped out from a liquid storage tank and is pumped into the self-priming tank through a liquid injection pipe, gas in the self-priming tank is discharged along the manual self-priming tank exhaust assembly, the manual self-priming tank exhaust assembly is connected with an exhaust pipe to guide the medium and the gas overflowing from the manual self-priming tank exhaust assembly to return to the liquid storage tank or to a safe place for discharging, and the site is guaranteed not to be polluted by the overflowing medium and toxic and harmful gases; when the window displays that the medium in the self-priming tank reaches the designated liquid level, the manual valve on the exhaust assembly of the manual self-priming tank is closed, and the self-priming pump is formally started.
9. The canister self-primer pump device of claim 1 wherein: the liquid injection device is an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump, the self-priming tank exhaust assembly is a manual self-priming tank exhaust assembly, a window is arranged on the tank wall of the self-priming tank, the self-priming tank is filled with gas and discharged from the interior of the self-priming tank under the combined action of the electric gear transmission oil well pump, the small electric diaphragm pump or the small pneumatic diaphragm pump and the manual self-priming tank exhaust assembly, and the medium liquid level in the self-priming tank is monitored through the window; when the pump is started for pumping for the first time, a manual valve on a manual self-priming tank exhaust assembly is opened, an electric gear drive oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump are started, a medium is pumped out from a liquid storage tank and is pumped into the self-priming tank through a liquid injection pipe, gas in the self-priming tank is discharged along the manual self-priming tank exhaust assembly, the manual self-priming tank exhaust assembly is connected with an exhaust pipe to guide the medium and the gas overflowing from the manual self-priming tank exhaust assembly to return to the tank or be discharged to a safe place when the tank is pumped, and the site is guaranteed not to be polluted by the overflowing medium and toxic; when the window displays that the medium in the self-priming tank reaches the designated liquid level, the manual valve on the exhaust assembly of the manual self-priming tank is closed, and the self-priming pump is formally started.
10. The canister self-primer pump device of claim 1 wherein: the liquid injection device is an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump, the self-priming tank exhaust assembly is an automatic self-priming tank exhaust assembly, a liquid level switch is installed on the tank wall of the self-priming tank, the self-priming tank is filled with gas and discharged from the self-priming tank under the combined action of the electric gear transmission oil well pump, the small electric diaphragm pump or the small pneumatic diaphragm pump and the automatic self-priming tank exhaust assembly, and the medium liquid level in the self-priming tank is monitored through the liquid level switch; when the pump is started for filling, an electric valve or a pneumatic valve on an automatic self-priming tank exhaust assembly is opened, an electric gear transmission oil well pump, a small electric diaphragm pump or a small pneumatic diaphragm pump are started, a medium is pumped out from a liquid storage tank and filled into the self-priming tank through a liquid injection pipe, gas in the self-priming tank is discharged along the automatic self-priming tank exhaust assembly, the automatic self-priming tank exhaust assembly is connected with an exhaust pipe to guide the medium and the gas overflowing from the automatic self-priming tank exhaust assembly to return to the tank or to a safe place for discharging, and the site is guaranteed not to be polluted by the overflowing medium and toxic and harmful gases; the liquid level switch and the valve can be remotely controlled to stop the operation of the electric gear transmission oil pump or the small electric or pneumatic diaphragm pump when high liquid level is realized, stop the tank filling and alarm the operation of the centrifugal pump or re-fill the self-priming tank at low liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330189.1U CN211950883U (en) | 2020-03-17 | 2020-03-17 | Tank type self-priming pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020330189.1U CN211950883U (en) | 2020-03-17 | 2020-03-17 | Tank type self-priming pump device |
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| Publication Number | Publication Date |
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| CN211950883U true CN211950883U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020330189.1U Active CN211950883U (en) | 2020-03-17 | 2020-03-17 | Tank type self-priming pump device |
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| CN (1) | CN211950883U (en) |
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2020
- 2020-03-17 CN CN202020330189.1U patent/CN211950883U/en active Active
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