CN218207100U - Emptying device of self-priming pump - Google Patents
Emptying device of self-priming pump Download PDFInfo
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- CN218207100U CN218207100U CN202222482971.7U CN202222482971U CN218207100U CN 218207100 U CN218207100 U CN 218207100U CN 202222482971 U CN202222482971 U CN 202222482971U CN 218207100 U CN218207100 U CN 218207100U
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- priming pump
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Abstract
The utility model discloses a self priming pump emptying devices relates to self priming pump pipeline design technical field, including the self priming pump, the pump access connection inlet line, the pump export of self priming pump are connected and are exported the pipeline, the other end of inlet line stretches into the effluent water sump, be equipped with pressure line between inlet line and the export pipeline, the last first valve body that is equipped with controllable pressure line switching of pressure line that is equipped with of pressure line. The self-priming pump emptying device provided by the utility model introduces pressure liquid from the pump outlet through the pressure pipeline to enter the pump inlet, so as to increase the self-priming flow, and solve the problem that the self-priming pump inlet electromagnetic valve can not automatically feed water due to failure in the prior art; the self-priming pump is discharged through a cooling pipeline, the temperature of the gas-water mixture inside the initial stage is controlled, the vaporization of the pump is prevented from losing the self-priming capability, and the problem that the vaporization of the pump cannot automatically feed water when the self-priming pump pumps high-temperature liquid in the prior art is solved.
Description
Technical Field
The utility model relates to a self priming pump pipeline design technical field, concretely relates to self priming pump emptying devices.
Background
The high-temperature waste water adopts the submersible sewage pump and often damages the motor because of the high temperature of the pump body, and the submersible sewage pump is changed into a self-sucking pump for solving the problem.
Because the temperature of water is high and leads to self priming pump from inhaling slowly, the inside temperature of pump body risees rapidly and leads to the pump vaporization and can't the sail, consequently often takes place to lead to the self priming pump can't inhale the sail condition because of the waste water temperature is high, influences system normal operating.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the existing problems, the utility model provides a self-priming pump emptying device, which introduces pressure liquid from the outlet of the pump through a pressure pipeline to enter the inlet of the pump, so as to increase the self-priming flow and solve the problem that the inlet electromagnetic valve of the self-priming pump in the prior art fails to supply water automatically; the self-priming pump discharges a gas-water mixture inside the initial stage through the cooling pipeline, the temperature of liquid in the pump is controlled, the vaporization of the pump is prevented from losing the self-priming capability, and the problem that the vaporization of the pump cannot automatically feed water when the self-priming pump pumps high-temperature liquid in the prior art is solved.
The utility model adopts the technical scheme as follows:
the utility model provides a self priming pump emptying devices, includes the self priming pump, the pump access connection inlet line, the pump export connection outlet pipe way of self priming pump, the sewage pond is stretched into to the other end of inlet pipe way, be equipped with pressure line between inlet pipe way and the outlet pipe way, the last first valve body that is equipped with controllable pressure line switching of pressure line that is equipped with of pressure line.
By adopting the technical scheme, pressure liquid is introduced from the outlet of the pump to enter the inlet of the pump, so that the self-priming flow is increased, and the problem that the automatic water feeding cannot be realized due to the failure of the electromagnetic valve at the inlet of the self-priming pump in the prior art is solved.
Further, a check valve and an outlet valve are arranged on the outlet pipeline, the pressure pipeline is connected between the check valve and the outlet valve, and the check valve is arranged on one side close to the outlet of the pump.
Due to the adoption of the technical scheme, the liquid in the outlet pipeline can be effectively prevented from flowing back to the self-priming pump.
Further, still include the cooling pipeline, the one end of cooling pipeline and the pump water filling port intercommunication of self priming pump, the other end stretch into the effluent water sump, be equipped with the second valve body of steerable cooling pipeline switching on the cooling pipeline.
Owing to adopted above-mentioned technical scheme, discharge the inside air water mixture of self priming pump at the start-up initial stage through the cooling pipeline, liquid temperature in the control pump prevents that the pump vaporization from losing from inhaling the ability of inhaling, and the vaporization of pump leads to can not automatic water feeding problem when having solved self priming pump pumping high temperature liquid among the prior art.
Furthermore, one end of the inlet pipeline, which is close to the pump inlet, is provided with a backflow prevention section, the height of the backflow prevention section is larger than that of the pump inlet, and the pressure pipeline is connected between the pump inlet and the backflow prevention section.
By adopting the technical scheme, the pressure liquid coming from the pressure pipeline can be ensured to act on the pump inlet, the self-priming flow is increased, and the pressure liquid cannot flow back to the sewage tank along the inlet pipeline.
Further, a pressure detection device is arranged at the outlet of the pump.
Furthermore, the pressure detection device is in signal connection with the control device, and the second valve body is in signal connection with the first valve body and is controlled by the control device.
Owing to adopted above-mentioned technical scheme, when detecting pump outlet pressure stable, indicate the air in the self priming pump to have been exhausted promptly, close second valve body and first valve body, the self priming pump gets into steady operation state.
Further, the second valve body and the first valve body are ball valves.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a pressure line introduces pressure liquid from the pump export and gets into the pump import, increases from inhaling the flow, has solved among the prior art from inhaling the problem that the import solenoid valve trouble of pump leads to can not automatic water feeding.
2. The utility model discloses a cooling pipeline discharge self priming pump is starting the inside air water mixture of initial stage, and liquid temperature in the control pump prevents that the pump vaporization from losing from inhaling the ability of inhaling, and the vaporization of pump leads to can not automatic water feeding problem when having solved self priming pump pumping high temperature liquid among the prior art.
Drawings
Fig. 1 is a schematic structural view of the self-priming pump emptying device of the present invention.
The labels in the figure are: 1-self-priming pump, 101-pump inlet, 102-pump outlet, 103-pump water inlet, 2-outlet pipeline, 201-check valve, 202-outlet valve, 3-inlet pipeline, 301-backflow prevention section, 4-pressure pipeline, 5-first valve body, 6-cooling pipeline and 7-second valve body.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The utility model provides a self priming pump emptying devices, as shown in figure 1, includes self priming pump 1, inlet pipeline 3, pump outlet 102 connection outlet pipeline 2 are connected to self priming pump 1's pump inlet 101, inlet pipeline 3's the other end stretches into the effluent water sump, be equipped with pressure pipeline 4 between inlet pipeline 3 and the outlet pipeline 2, be equipped with the first valve body 5 of the 4 switching of controllable pressure pipeline on the pressure pipeline 4. Specifically, pressure liquid is introduced from the pump outlet 102 and enters the pump inlet 101, so that the self-priming flow is increased, and the problem that automatic water feeding cannot be realized due to the fact that an electromagnetic valve at the inlet of the self-priming pump 1 in the prior art fails is solved.
The outlet pipeline 2 is provided with a check valve 201 and an outlet valve 202, the pressure pipeline 4 is connected between the check valve 201 and the outlet valve 202, and the check valve 201 is arranged on the side close to the pump outlet 102. In particular, the liquid in the outlet pipeline 2 can be effectively prevented from flowing back to the self-priming pump 1.
Still include cooling pipeline 6, the one end of cooling pipeline 6 and the pump water filling port 103 intercommunication of self priming pump 1, the other end stretch into the effluent water sump, be equipped with the second valve body 7 of the 6 switching of steerable cooling pipeline on the cooling pipeline 6. Specifically speaking, through the inside air water mixture of cooling pipeline 6 discharge self priming pump 1 at the start-up initial stage, liquid temperature in the control pump prevents that the pump vaporization from losing from inhaling the ability of inhaling, and the vaporization of pump leads to can not automatic water feeding problem when having solved among the prior art self priming pump 1 pump sending high temperature liquid.
One end of the inlet pipeline 3 close to the pump inlet 101 is provided with a backflow prevention section 301, the height of the backflow prevention section 301 is larger than that of the pump inlet 101, and the pressure pipeline 4 is connected between the pump inlet 101 and the backflow prevention section 301. In particular, it is ensured that the pressure fluid coming from the pressure line 4 acts on the pump inlet 101 increasing the self-priming flow rate without flowing back along the inlet line 3 to the sump.
The pump outlet 102 is provided with a pressure detection device.
The pressure detection device is in signal connection with a control device, and the second valve body 7 and the first valve body 5 are in signal connection and controlled by the control device.
Specifically, when the pump outlet 102 pressure is sensed to be stable, indicating that air has been exhausted from the self-primer pump 1, the second valve body 7 and the first valve body 5 are closed and the self-primer pump 1 enters a stable operating state.
The second valve body 7 and the first valve body 5 are ball valves.
The operation of this embodiment is as follows: after the self-priming pump 1 is started, the outlet valve 202, the first valve body 5 and the second valve body 7 are opened in sequence, pressure liquid at the outlet 102 of the pump enters the inlet 101 of the pump through the pressure pipeline 4, the self-priming flow is increased, air-water mixture in the pump is discharged through the cooling pipeline 6 and returns to a sewage pool, water circulation is formed between the inlet pipeline 3 and the cooling pipeline 6, the temperature of liquid in the self-priming pump 1 is controlled, and the pump is prevented from losing self-priming capability due to vaporization. After waiting that pump mouth 102 air exhausts completely, pressure detection device detects pressure stability this moment, closes first valve body 5, second valve body 7, and self priming pump 1 gets into steady operation state.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist understanding of the method and its core concept. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Claims (7)
1. The utility model provides a self priming pump emptying devices, includes the self priming pump, the pump access connection inlet line, the pump export connection outlet pipe way of self priming pump, the sewage pond is stretched into to the other end of inlet pipe way, its characterized in that, be equipped with pressure line between inlet pipe way and the outlet pipe way, be equipped with the first valve body of controllable pressure line switching on the pressure line.
2. The self-primer pump evacuation device of claim 1, wherein the outlet line is provided with a check valve and an outlet valve, the pressure line being connected between the check valve and the outlet valve, the check valve being disposed on a side adjacent the pump outlet.
3. The self-priming pump emptying device of claim 1 further comprising a cooling pipeline, wherein one end of the cooling pipeline is communicated with the pump water injection port of the self-priming pump, and the other end of the cooling pipeline extends into the sewage tank, and the cooling pipeline is provided with a second valve body capable of controlling the cooling pipeline to open and close.
4. The self-primer pump evacuation device of claim 3, wherein the inlet line has an anti-backflow segment at an end thereof adjacent the pump inlet, the anti-backflow segment having a height greater than a height of the pump inlet, the pressure line being connected between the pump inlet and the anti-backflow segment.
5. The self-primer pump evacuation device of claim 4, wherein a pressure sensing device is provided at the pump outlet.
6. The self-primer pump evacuation device of claim 5, wherein the pressure sensing device is in signal communication with a control device, and wherein the second valve body is in signal communication with and controlled by the control device.
7. The self-primer pump evacuation device of claim 6, wherein the second valve body and the first valve body are ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482971.7U CN218207100U (en) | 2022-09-19 | 2022-09-19 | Emptying device of self-priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482971.7U CN218207100U (en) | 2022-09-19 | 2022-09-19 | Emptying device of self-priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207100U true CN218207100U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222482971.7U Active CN218207100U (en) | 2022-09-19 | 2022-09-19 | Emptying device of self-priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207100U (en) |
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2022
- 2022-09-19 CN CN202222482971.7U patent/CN218207100U/en active Active
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