Pump inlet anti-blocking device

Abstract

The utility model relates to the technical field of pumps, in particular to a pump inlet anti-blocking device which comprises a tank body and a tank body cover plate installed at the top of the tank body, a flushing opening is formed in the tank body cover plate, a spray head, a flushing water valve and a flushing water pipe are sequentially installed on the flushing opening, and lifting lugs are arranged on the outer side wall of the tank body. The tank body is provided with a liquid inlet, a visual pressure sensor mounting port, a liquid outlet and a drain outlet, the bottom of the tank body is a conical bottom, the drain outlet is located at the bottom end of the conical bottom, the drain outlet is sequentially provided with a drain valve and a drain pipe, the inner side wall of the tank body is provided with a U-shaped clamping groove, and a filter screen is vertically inserted in the U-shaped clamping groove. The flushing port, the liquid inlet and the sewage draining port are located on one side of the filter screen, the liquid draining port is located on the other side of the filter screen, and a visual pressure sensor is installed on the visual pressure sensor installation port. The scheme is simple in structure, low in manufacturing and maintenance cost, efficient and reliable in use, convenient to clean and capable of effectively solving the problem that normal production is affected due to the fact that particles and impurities block the pump cavity.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pump technical field, concretely relates to a pump import anti -clogging device. BACKGROUND

[0002] The statements in this section merely provide background information related to the technical solutions of the present application and can not constitute the prior art to the technical solutions of the present application.

[0003] The principle of the anti-clogging device is that one side of the liquid discharge port is connected to the inlet of the pump, the suction force of the inlet of the pump drives the liquid to enter from the liquid inlet, the liquid enters the tank body, the particulate matter and impurities are left on the side of the liquid inlet, the clear liquid can enter the side of the liquid discharge port through the filter screen, the clear liquid passing through the filter screen is sucked into the pump cavity, and the pump inlet is prevented from being clogged.

[0004] In the actual use process, the pumped fluid composition is complex, impurities are easy to accumulate in the pump cavity in the long-term use process, and too many impurities in the pumped fluid seriously wear the pump cavity and the impeller, which affects the performance of the pump in the long-term use, if the pump inlet is not treated for anti-clogging for a long time, the performance of the pump will be reduced, the failure rate will be increased, and there is a safety hidden danger of liquid leakage, which at least affects the liquid flow rate and causes the working condition to be substandard due to the clogging of the pump cavity, and in a serious case, the pump will be irreversibly damaged, affecting the service life of the subsequent pump. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a pump import anti-clogging device which is simple in structure, low in manufacturing and maintenance cost, efficient and reliable in use, and convenient to clean, and solves the problem of affecting normal production due to the clogging of the pump cavity by particulate matter and impurities in the prior art.

[0006] The present application provides a pump import anti-clogging device, which comprises a tank body and a tank cover plate installed on the top of the tank body, a flushing port is formed on the tank cover plate, a spray head, a flushing water valve and a flushing water pipe are sequentially installed on the flushing port, a lifting lug is arranged on the outer side wall of the tank body, a liquid inlet, a visual pressure sensor mounting port, a liquid discharge port and a blowdown port are formed on the tank body, the bottom of the tank body is a conical bottom, the blowdown port is located at the bottom end of the conical bottom, a blowdown valve and a blowdown pipe are sequentially installed on the blowdown port, a U-shaped clamping groove is installed on the inner side wall of the tank body, a filter screen is vertically inserted and installed in the U-shaped clamping groove, the flushing port, the liquid inlet and the blowdown port are located on one side of the filter screen, the liquid discharge port is located on the other side of the filter screen, and a visual pressure sensor is installed on the visual pressure sensor mounting port.

[0007] In one embodiment, the liquid discharge port is located at the lower part of the side of the tank body.

[0008] In one embodiment, the number of the lifting lugs is 2.

[0009] In one embodiment, the spray head is located directly above the drain.

[0010] In one embodiment, the spray head is deep into the tank.

[0011] In one embodiment, the visual pressure sensor mounting port is located at the bottom of the side surface of the conical bottom.

[0012] In one embodiment, the aperture of the filter screen is 3-4mm.

[0013] In one embodiment, the number of the U-shaped clamping slots is 4.

[0014] In one embodiment, the flush water valve and the drain valve are electric valves.

[0015] The beneficial technical effects of the utility model are as follows: the utility model adds a filtering mechanism between the pump inlet and the liquid storage tank outlet, utilizes the gravity sedimentation principle, and the impurity particles in the liquid are intercepted and deposited on the liquid inlet side of the tank by the filter screen; the filtered liquid is pumped into the pump cavity through the liquid outlet; the pump can suck the liquid without impurity particles. The deposition of the impurity particles can be judged by comparing the pressure; the spray head of the flushing port is opened regularly, and the drain valve is opened to clean the impurity particles; meanwhile, the spray head deep into the tank can also flush the filter screen, so that the filter screen will not be blocked. The tank cover plate and the tank, the spray head and the flushing port are all flange connected, which is convenient for disassembling and cleaning the impurity particles in the tank; meanwhile, the filter screen is inserted into the tank, so that the filter screen can be conveniently and quickly disassembled, replaced and cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0016] The embodiments of the utility model will be further described below with reference to the drawings, in which:

[0017] Fig. 1 It is a structural schematic view of the utility model;

[0018] Fig. 2 It is a structural view of the filter screen of the utility model;

[0019] Fig. 3 It is a structural view of the U-shaped clamping slot of the utility model.

[0020] Fig. 1- tank body, 2- tank body cover plate, 3- spray head, 4- flushing port, 5- lifting lug, 6- liquid inlet, 7- visual pressure sensor, 8- sewage outlet, 9- filter screen, 10- liquid outlet, 11- visual pressure sensor mounting port, 12- conical bottom, 13- U-shaped clamping groove, 14- sewage pipe, 15- flushing water valve, 16- flushing water pipe, 17- sewage valve. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below with specific embodiments combined with the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model and not used to limit the utility model.

[0022] Reference is now made to Figs. 1-3 A pump inlet anti-blocking device according to an embodiment of the present application is described, which comprises a tank body 1 and a tank body cover plate 2 installed on the top of the tank body 1, a flushing port 4 is formed on the tank body cover plate 2, a spray head 3, a flushing water valve 15 and a flushing water pipe 16 are sequentially installed on the flushing port 4, a lifting lug 5 is arranged on the outer side wall of the tank body 1, a liquid inlet 6, a visual pressure sensor mounting port 11, a liquid outlet 10 and a sewage outlet 8 are formed on the tank body 1, the bottom of the tank body 1 is a conical bottom 12, the sewage outlet 8 is located at the bottom end of the conical bottom 12, a sewage valve 17 and a sewage pipe 14 are sequentially installed on the sewage outlet 8, a U-shaped clamping groove 13 is installed on the inner side wall of the tank body 1, a filter screen 9 is vertically inserted and installed in the U-shaped clamping groove 13, the flushing port 4, the liquid inlet 6 and the sewage outlet 8 are located on one side of the filter screen 9, the liquid outlet 10 is located on the other side of the filter screen 9, and a visual pressure sensor 7 is installed on the visual pressure sensor mounting port 11.

[0023] In one embodiment, the tank body 1 and the tank body cover plate 2 are flange connected. In one embodiment, the liquid outlet 10 is located at the lower part of the side of the tank body 1, and the liquid outlet 10 is connected with the pump suction inlet. In one embodiment, the conical bottom 12 and the tank body 1 are non-detachably connected, the sewage outlet 8 and the conical bottom 12 are non-detachably connected, and the sewage outlet 8 is sequentially connected with the sewage valve 17 and the sewage pipe 14 and all are flange connected. In one embodiment, the visual pressure sensor 7 and the visual pressure sensor mounting port 11 are flange connected.

[0024] In one embodiment, the lifting lug 5 is installed on the outer side wall of the tank body 1, the lifting lug 5 and the tank body 1 are non-detachably connected, and the number of the lifting lug 5 is two.

[0025] In one embodiment, the spray head 3 installed on the flushing port 4 of the tank body cover plate 2 is located directly above the sewage outlet 8.

[0026] In one embodiment, the flush port 4 is sequentially installed with the spray head 3, the flush water valve 15 and the flush water pipe 16, all of which are flange connected, the spray head 3 is deep into the inside of the tank body 1, and the spray head 3 is made of 316L.

[0027] In one embodiment, the visual pressure sensor installation port 11 is located at the bottom of the side vertical surface of the conical bottom 12, and the visual pressure sensor installation port 11 is non-detachable connected with the conical bottom 12.

[0028] In one embodiment, the visual pressure sensor 7 has a range of -0.1 to 0.1 Mpa.

[0029] In one embodiment, the filter screen 9 has a pore size of 3-4 mm and is made of 316L. In one embodiment, the tank body 1 and the tank cover plate 2 are made of 316L.

[0030] In one embodiment, the flush water valve 15 and the blowdown valve 17 are electric valves, and the valve body of the blowdown valve 17 is made of 316L.

[0031] In use, the liquid containing impurity particles flows into the tank body from the liquid inlet, the clear liquid can be pumped into the pump cavity through the filter screen, and the impurity particles are settled in the conical bottom by gravity. When the pressure value of the visual pressure sensor is greater than the set value, the blowdown valve is opened first and then the flush water valve is opened under the condition that the pump is not started, the flush water flushes the filter screen through the spray head, and the impurity particles are discharged at the same time, so that one flushing not only achieves the purpose of flushing the filter screen but also facilitates the smooth discharge of the impurity particles settled at the bottom of the conical bottom, achieves excellent filtering effect, and ensures the normal work of the pump without blockage.

[0032] Reference herein to "various embodiments," "some embodiments," "one embodiment," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearances of the phrase "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. It will be appreciated that the particular features, structures, or characteristics described in one embodiment can be combined, in whole or in part, with one or more other embodiments without necessarily being limited to the combination described for the one embodiment. Expressions such as "based on," "applied to," "composed of," or "comprising of" as used herein are intended to be non-exclusive, i.e., to include the stated feature, structure, or characteristic, but not to exclude others. In the present application, some of the schematic operation steps are described in a certain order for the sake of clarity, but it can be understood by those skilled in the art that each of the operation steps is not essential, and some of the steps can be omitted or replaced by other steps. The operation steps also do not have to be executed sequentially as shown, but some of the operation steps can be executed in a different order or in parallel, as long as the new execution manner is not illogical or inoperable.

[0033] Some exemplary embodiments of the present application are described above, and it can be understood that the above embodiments are only used to explain the present application, and do not constitute a limitation on the protection scope of the present application. The features in these embodiments can be recombined in a suitable manner, and the schemes obtained thereby are still within the protection scope of the present application. Based on the above embodiments, all other embodiments obtained by those skilled in the art without making creative efforts, i.e., all modifications, equivalent replacements, and improvements, etc. made within the spirit and principles of the present application, are also within the protection scope of the present application.

Claims

1. A pump inlet anti-clogging device, characterized in that, The utility model relates to a kind of tank, including tank body (1) and install the tank body cover plate (2) on the top of tank body (1), flush opening (4) is set on tank body cover plate (2), flush opening (4) is installed in turn shower head (3), flush water valve (15) and flush water pipe (16), the outer side wall of tank body (1) is provided with lifting lug (5), flush opening (4) is set on tank body (1), visual pressure sensor installation opening (11), drain opening (10), blowdown opening (8), the bottom of the tank body (1) is conical bottom (12), blowdown opening (8) is located at the bottom end of conical bottom (12), blowdown opening (8) is installed in turn blowdown valve (17) and blowdown pipe (14), the inner side wall of the tank body (1) is installed with U-shaped clamping groove (13), filter screen (9) is inserted in U-shaped clamping groove (13) and is vertically installed, flush opening (4), liquid inlet (6) and blowdown opening (8) are located at one side of filter screen (9), drain opening (10) is located at the other side of filter screen (9), visual pressure sensor installation opening (11) is installed with visual pressure sensor (7).

2. A pump inlet anti-blocking device according to claim 1, wherein, The drain opening (10) is located at the lower part of the side of the tank body (1).

3. A pump inlet anti-blocking device according to claim 1, wherein The number of the lifting lug (5) is two.

4. A pump inlet anti-blocking device according to claim 1, wherein The shower head (3) is located directly above the blowdown opening (8).

5. A pump inlet anti-blocking device according to claim 1, wherein The shower head (3) is deeply inserted into the tank body (1).

6. A pump inlet anti-blocking device according to claim 1, wherein The visual pressure sensor installation opening (11) is located at the bottom of the side vertical surface of the conical bottom (12).

7. A pump inlet anti-blocking device according to claim 1, wherein The aperture of the filter screen (9) is 3-4mm.

8. A pump inlet anti-blocking device according to claim 1, wherein, The number of the U-shaped clamping groove (13) is four.

9. A pump inlet anti-blocking device according to claim 1, wherein, The flush water valve (15) and the blowdown valve (17) are electric valves.

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