Horizontal sewage pump with backwashing function

Abstract

The utility model provides a horizontal sewage pump with a backwashing function, which relates to the field of horizontal sewage pumps and comprises a base, the top of the base is provided with a horizontal sewage pump body, the horizontal sewage pump body is used for conveying sewage, one side of the horizontal sewage pump body is provided with a filtering mechanism, and the other side of the horizontal sewage pump body is provided with a backwashing mechanism. The filtering mechanism comprises a filtering assembly and a cleaning assembly, the filtering assembly is used for filtering sewage, the cleaning assembly is used for cleaning the filtering assembly, and a backwashing assembly is mounted on the surface of the filtering mechanism; according to the horizontal sewage pump, the horizontal sewage pump body and the filtering assembly are blocked, the conveying efficiency of the horizontal sewage pump body is affected, the backwashing assembly and the PLC are arranged, the effect of backwashing the filtering mechanism is achieved, and therefore the filtering assembly can be cleaned, the filtering efficiency of the filtering assembly is improved, and the service life of the horizontal sewage pump is prolonged. And therefore, the sewage conveying efficiency of the horizontal sewage pump body can be improved.

Description

Technical Field

[0001] The utility model belongs to the field of horizontal sewage pumps, in particular to a horizontal sewage pump with a backwashing function. Background Art

[0002] Horizontal sewage pumps are usually used to transport sewage containing solid particles. They are mainly used to treat urban sewage, industrial wastewater, construction site drainage, sewage treatment plants and other occasions. Since sewage contains a large amount of solid particles, it is easy to cause horizontal sewage pumps to become blocked during long-term operation, thereby affecting the conveying efficiency of the horizontal water outlet pump. At present, the method of increasing filtration is often used to reduce the blockage of horizontal sewage pumps.

[0003] According to Chinese patent application No.: 202122461645.3, a sewage pump with a backwashing self-cleaning structure is disclosed, which is provided with a pump body, and a slow flow box is connected to the bottom of the pump body by bolts; it includes: a support plate fixed to the side of the pump body, an adjusting rod movably penetrates the inside of the support plate, and a cam is sleeved on the outer side of the adjusting rod; a movable rod is movably arranged under one of the cams, and a connecting block is fixed on the top of the movable rod; a filter screen is fixedly installed inside the slow flow box, a movable shaft is movably arranged on the side of the filter screen, and a cleaning brush and a guide plate are respectively fixed on the side of the movable shaft, and a sewage pipe is provided at the bottom of the slow flow box. Backwashing can be achieved by directly connecting flushing water through the backwashing structure of the sewage pump, and the water inlet pipe and the water outlet pipe can be blocked during the backwashing process, so as to correctly guide the flushing sewage, thereby improving the efficiency of backwashing;

[0004] The comparative case effectively solves the problem in the prior art that the filtering device of the horizontal sewage pump is prone to clogging, affecting the water discharge efficiency, and has the advantage of being able to backwash the filtering device of the horizontal water pump. However, the backwashing device of this horizontal sewage pump is relatively complicated, making the operation more cumbersome and requiring manual operation, thereby increasing the workload of the staff.

[0005] In summary, the utility model provides a horizontal sewage pump with backwashing function to solve the above problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A horizontal sewage pump with a backwashing function comprises a base, a horizontal sewage pump body is installed on the top of the base, the horizontal sewage pump body is used to transport sewage, a filtering mechanism is arranged on one side of the horizontal sewage pump body, the filtering mechanism comprises a filtering assembly and a cleaning assembly, the filtering assembly is used to filter sewage, the cleaning assembly is used to clean the filtering assembly, a backwashing assembly is installed on the surface of the filtering mechanism, the backwashing assembly is used to backwash the filtering mechanism, and a PLC controller is arranged on the other side of the horizontal sewage pump body, the PLC controller is used to control the backwashing operation.

[0008] Furthermore, in the utility model, the horizontal sewage pump body includes a motor, a casing, an impeller, a coupling, a transmission rod, a protective cover, a water outlet pipe, a first water outlet valve, a connecting pipe and a connecting valve. The motor, the casing and the protective cover are all threadedly connected to the base through bolts, the impeller is installed in the inner cavity of the casing, the connecting valve is installed on the surface of the connecting pipe, and the first water outlet valve is installed on the surface of the water outlet pipe.

[0009] Furthermore, in the utility model, the coupling is located in the inner cavity of the protective cover, the output shaft of the motor is transmission-connected to the coupling, one end of the transmission rod is fixedly connected to the coupling, the other end of the transmission rod passes through the inner cavity of the outer shell and is fixedly connected to the impeller, one end of the water outlet pipe is connected to the water outlet end of the outer shell, and one end of the connecting pipe is connected to the water inlet end of the outer shell.

[0010] Furthermore, in the utility model, the filter assembly includes a filter cartridge, a filter screen, a first water inlet pipe and a first water inlet valve, the other end of the connecting pipe is connected to the filter cartridge, the filter screen is installed in the inner cavity of the filter cartridge, the first water inlet valve is installed on the surface of the first water inlet pipe, and one end of the first water inlet pipe is connected to the filter cartridge.

[0011] Furthermore, in the utility model, the cleaning assembly includes an electric push rod and a scraper, the scraper is located on the surface of the filter, the electric push rod is fixed to the surface of the filter cartridge, and the output end of the electric push rod passes through the inner cavity of the filter cartridge and is fixedly connected to the scraper.

[0012] Furthermore, in the utility model, the backwash assembly includes a connecting pipe, a second water outlet valve, a second water inlet pipe, a second water inlet valve, a drain pipe and a drain valve, the two ends of the connecting pipe are respectively connected to the filter cartridge and the water outlet pipe, the second water outlet valve is installed on the surface of the connecting pipe, one end of the second water inlet pipe is connected to the connecting pipe, the second water inlet valve is installed on the surface of the second water inlet pipe, one end of the drain pipe is connected to the filter cartridge, and the drain valve is installed on the surface of the drain pipe.

[0013] Furthermore, in the utility model, the input ends of the drain valve, connecting valve, motor and electric push rod are all electrically connected to the output end of the PLC controller, and the output end of the PLC controller is electrically connected to the input ends of the first water inlet valve, the first water outlet valve, the second water inlet valve and the second water outlet valve, respectively.

[0014] Beneficial effects: The utility model has the following beneficial effects:

[0015] The utility model provides a base to provide a stable support for the horizontal sewage pump body, provides a horizontal sewage pump body, can transport sewage, and provides a filtering mechanism to filter sewage. The filtering component can intercept solid particles in the sewage, and the cleaning component can clean the filtering component, thereby preventing the solid particles in the sewage from clogging the horizontal sewage pump body and the filtering component and affecting the conveying efficiency of the horizontal sewage pump body. The backwashing component and the PLC controller can be provided to backwash the filtering mechanism, thereby cleaning the filtering component and improving the filtering efficiency of the filtering component, thereby improving the sewage conveying efficiency of the horizontal sewage pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection state of the horizontal sewage pump body, the filtering mechanism and the backwashing component of the utility model;

[0018] Figure 3 This is a schematic diagram of the connection state of the filter component, the cleaning component and the backwash component of the utility model;

[0019] Figure 4 This is a schematic diagram of the connection state structure of the horizontal sewage pump body of the utility model;

[0020] Figure 5 It is a schematic diagram of the system flow of the utility model.

[0021] In the figure:

[0022] 1. Base; 2. Horizontal sewage pump body; 201. Motor; 202. Casing; 203. Impeller; 204. Coupling; 205. Drive rod; 206. Protective cover; 207. Outlet pipe; 208. First outlet valve; 209. Connecting pipe; 210. Connecting valve; 3. Filter mechanism; 31. Filter assembly; 311. Filter cartridge; 312. Filter screen; 313. First inlet pipe; 314. First inlet valve; 32. Cleaning assembly; 321. Electric push rod; 322. Scraper; 4. Backwash assembly; 401. Connecting pipe; 402. Second outlet valve; 403. Second inlet pipe; 404. Second inlet valve; 405. Drain pipe; 406. Drain valve; 5. PLC controller. DETAILED DESCRIPTION

[0023] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0024] Example 1

[0025] like Figure 1-5 As shown, it is the first embodiment of the utility model, which provides a horizontal sewage pump with a backwashing function, including a base 1, a horizontal sewage pump body 2 is installed on the top of the base 1, the horizontal sewage pump body 2 is used to transport sewage, a filtering mechanism 3 is arranged on one side of the horizontal sewage pump body 2, the filtering mechanism 3 includes a filtering component 31 and a cleaning component 32, the filtering component 31 is used to filter sewage, and the cleaning component 32 is used to clean the filtering component 31, a backwashing component 4 is installed on the surface of the filtering mechanism 3, and the backwashing component 4 is used to backwash the filtering mechanism 3, and a PLC controller 5 is arranged on the other side of the horizontal sewage pump body 2, and the PLC controller 5 is used to control the backwashing operation.

[0026] like Figure 1-5As shown, the centrifugal force generated by the high-speed rotation of the horizontal sewage pump body 2 drives the sewage to be filtered through the filter component 31. The filter component 31 can intercept solid particles in the sewage, thereby preventing the horizontal sewage pump body 2 from being blocked. The PLC controller 5 controls the backwash component 4 to backwash the filter component 31, so that the cleaning component 32 and the backwash component 4 can cooperate to clean the filter component 31, thereby preventing the filter component 31 from being blocked due to the intercepted particles, thereby improving the filtering effect of the filter component 31 and the sewage transportation efficiency of the horizontal sewage pump body 2.

[0027] Example 2

[0028] Reference Figure 1 , 2 and 4, which are the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0029] In this embodiment, the horizontal sewage pump body 2 includes a motor 201, a casing 202, an impeller 203, a coupling 204, a transmission rod 205, a protective cover 206, a water outlet pipe 207, a first water outlet valve 208, a connecting pipe 209 and a connecting valve 210. The motor 201, the casing 202 and the protective cover 206 are all threadedly connected to the base 1 through bolts. The impeller 203 is installed in the inner cavity of the casing 202, the connecting valve 210 is installed on the surface of the connecting pipe 209, and the first water outlet valve 208 is installed on the surface of the water outlet pipe 207.

[0030] The coupling 204 is located in the inner cavity of the protective cover 206, the output shaft of the motor 201 is transmission-connected to the coupling 204, one end of the transmission rod 205 is fixedly connected to the coupling 204, the other end of the transmission rod 205 passes through the inner cavity of the outer shell 202 and is fixedly connected to the impeller 203, one end of the water outlet pipe 207 is connected to the water outlet end of the outer shell 202, and one end of the connecting pipe 209 is connected to the water inlet end of the outer shell 202.

[0031] The filter assembly 31 includes a filter cartridge 311, a filter screen 312, a first water inlet pipe 313 and a first water inlet valve 314. The other end of the connecting pipe 209 is connected to the filter cartridge 311. The filter screen 312 is installed in the inner cavity of the filter cartridge 311. The first water inlet valve 314 is installed on the surface of the first water inlet pipe 313. One end of the first water inlet pipe 313 is connected to the filter cartridge 311.

[0032] like Figure 1 , 2As shown in Figure 4, the protective cover 206 can provide protection for the coupling 204 to prevent the coupling 204 from entangled with external objects when rotating at high speed, causing the horizontal sewage pump body 2 to malfunction. The output shaft of the motor 201 rotates to drive the coupling 204 to rotate. When the coupling 204 rotates, the transmission rod 205 drives the impeller 203 to rotate at high speed in the inner cavity of the shell 202. When the impeller 203 rotates at high speed, centrifugal force is generated, so that the sewage enters the inner cavity of the filter cartridge 311 through the first water inlet pipe 313. The filter screen 312 can intercept particulate matter in the sewage. The filtered sewage is guided to the inner cavity of the shell 202 through the connecting pipe 209, and is transported to the designated position through the outlet pipe 207. The first outlet valve 208, the connecting valve 210, and the first water inlet valve 314 are all electromagnetic valves.

[0033] Example 3

[0034] Reference Figure 1 , 3 and 5, which are the third embodiment of the present utility model, and this embodiment is based on the first two embodiments.

[0035] In this embodiment, the cleaning assembly 32 includes an electric push rod 321 and a scraper 322. The scraper 322 is located on the surface of the filter 312. The electric push rod 321 is fixed to the surface of the filter cartridge 311. The output end of the electric push rod 321 passes through the inner cavity of the filter cartridge 311 and is fixedly connected to the scraper 322.

[0036] The backwash component 4 includes a connecting pipe 401, a second water outlet valve 402, a second water inlet pipe 403, a second water inlet valve 404, a drain pipe 405 and a drain valve 406. The two ends of the connecting pipe 401 are respectively connected to the filter cartridge 311 and the water outlet pipe 207, the second water outlet valve 402 is installed on the surface of the connecting pipe 401, one end of the second water inlet pipe 403 is connected to the connecting pipe 209, the second water inlet valve 404 is installed on the surface of the second water inlet pipe 403, one end of the drain pipe 405 is connected to the filter cartridge 311, and the drain valve 406 is installed on the surface of the drain pipe 405.

[0037] The input ends of the drain valve 406, the connecting valve 210, the motor 201 and the electric push rod 321 are all electrically connected to the output end of the PLC controller 5, and the output end of the PLC controller 5 is electrically connected to the input ends of the first water inlet valve 314, the first water outlet valve 208, the second water inlet valve 404 and the second water outlet valve 402 respectively.

[0038] like Figure 1 , 3As shown in Figure 5, after the sewage enters the inner cavity of the filter cartridge 311, it is filtered through the filter screen 312, and the intercepted particles will adhere to the surface of the filter cartridge 311. The output end of the electric push rod 321 extends to push the scraper 322 to move downward, so that the scraper 322 can remove the particles attached to the surface of the filter screen 312. The sewage can be discharged to the outside of the filter cartridge 311 through the sewage pipe 405 by opening the sewage valve 406. The second water inlet pipe 403 is connected to the external clean water tank, and the backwashing instruction is transmitted through the PLC controller 5. The PLC controller 5 closes the first water inlet valve 314, the connecting valve 210 and the first water outlet valve 208 in turn, and opens the sewage valve 406, the second water outlet valve 402 and the second water inlet pipe 403 in turn. Then the PLC controller 5 starts the motor 201 and the electric push rod 321. When the output shaft of the motor 201 rotates, it drives the coupling 204 to When the coupling 204 rotates, the impeller 203 is driven to rotate at a high speed in the inner cavity of the housing 202 through the transmission rod 205. When the impeller 203 rotates at a high speed, centrifugal force is generated. The centrifugal force generated by the impeller 203 drives the clean water in the external clean water tank to be transported to the inner cavity of the housing 202 through the second water inlet pipe 403, and is discharged to the inner cavity of the filter cartridge 311 through the connecting pipe 401. At this time, the water flows into the filter screen 312 from the other end of the filter cartridge 311 to wash the filter screen 312. The output end of the electric push rod 321 pushes the scraper 322 to clean the surface of the filter screen 312. The detached particles are driven by the water flow and discharged to the outside of the filter cartridge 311 through the sewage pipe 405, thereby completing the backwashing operation. The sewage valve 406, the second water outlet valve 402 and the second water inlet pipe 403 are all electromagnetic valves, and a timer can be added to cooperate with the PLC controller 5 to realize automatic backwashing operation.

[0039] When in use, the centrifugal force generated by the high-speed rotation of the horizontal sewage pump body 2 drives the sewage into the inner cavity of the filter cartridge 311, so that the sewage enters the inner cavity of the filter cartridge 311 through the first water inlet pipe 313, and the filter screen 312 can intercept the particulate matter in the sewage. The filtered sewage is guided to the inner cavity of the shell 202 through the connecting pipe 209, and is transported to the designated position through the outlet pipe 207. When backwashing is required, the backwashing instruction is transmitted through the PLC controller 5, and the PLC controller 5 closes the first water inlet valve 314, the connecting valve 210 and the first water outlet valve 208 in turn, and opens the drain valve 406, the second water outlet valve 402 and the second water inlet pipe 403 in turn, and then the PLC controller 5 starts the motor 201 and the electric push rod 321, and the output shaft of the motor 201 rotates to drive the coupling 204 to rotate When the coupling 204 rotates, the transmission rod 205 drives the impeller 203 to rotate at a high speed in the inner cavity of the shell 202. When the impeller 203 rotates at a high speed, centrifugal force is generated. The centrifugal force generated by the impeller 203 drives the clean water in the external clean water tank to be transported to the inner cavity of the shell 202 through the second water inlet pipe 403, and is discharged to the inner cavity of the filter cartridge 311 through the connecting pipe 401. At this time, the water flows into the filter screen 312 from the other end of the filter cartridge 311 to wash the filter screen 312. The output end of the electric push rod 321 pushes the scraper 322 to clean the surface of the filter screen 312. The detached particles are driven by the water flow and discharged to the outside of the filter cartridge 311 through the drain pipe 405, thereby completing the backwashing operation. Compared with the backwashing device in the comparative case, it has the advantages of simple structure and convenient operation, and can effectively reduce the amount of manual operation.

[0040] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0041] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. A horizontal sewage pump with backwashing function, comprising a base (1), characterized in that: A horizontal sewage pump body (2) is installed on the top of the base (1), and the horizontal sewage pump body (2) is used to transport sewage. A filtering mechanism (3) is arranged on one side of the horizontal sewage pump body (2), and the filtering mechanism (3) comprises a filtering component (31) and a cleaning component (32). The filtering component (31) is used to filter sewage, and the cleaning component (32) is used to clean the filtering component (31). A backwashing component (4) is installed on the surface of the filtering mechanism (3), and the backwashing component (4) is used to backwash the filtering mechanism (3). A PLC controller (5) is arranged on the other side of the horizontal sewage pump body (2), and the PLC controller (5) is used to control the backwashing operation.

2. The horizontal sewage pump with backwashing function as claimed in claim 1, characterized in that: The horizontal sewage pump body (2) comprises a motor (201), a housing (202), an impeller (203), a coupling (204), a transmission rod (205), a protective cover (206), a water outlet pipe (207), a first water outlet valve (208), a connecting pipe (209) and a connecting valve (210); the motor (201), the housing (202) and the protective cover (206) are all threadedly connected to the base (1) via bolts; the impeller (203) is installed in the inner cavity of the housing (202); the connecting valve (210) is installed on the surface of the connecting pipe (209); and the first water outlet valve (208) is installed on the surface of the water outlet pipe (207).

3. The horizontal sewage pump with backwashing function as claimed in claim 2, characterized in that: The coupling (204) is located in the inner cavity of the protective cover (206); the output shaft of the motor (201) is transmission-connected to the coupling (204); one end of the transmission rod (205) is fixedly connected to the coupling (204); the other end of the transmission rod (205) passes through the inner cavity of the outer shell (202) and is fixedly connected to the impeller (203); one end of the water outlet pipe (207) is connected to the water outlet end of the outer shell (202); and one end of the connecting pipe (209) is connected to the water inlet end of the outer shell (202).

4. The horizontal sewage pump with backwashing function as claimed in claim 2, characterized in that: The filter assembly (31) comprises a filter cartridge (311), a filter screen (312), a first water inlet pipe (313) and a first water inlet valve (314); the other end of the connecting pipe (209) is connected to the filter cartridge (311); the filter screen (312) is installed in the inner cavity of the filter cartridge (311); the first water inlet valve (314) is installed on the surface of the first water inlet pipe (313); and one end of the first water inlet pipe (313) is connected to the filter cartridge (311).

5. The horizontal sewage pump with backwashing function as claimed in claim 1, characterized in that: The cleaning assembly (32) comprises an electric push rod (321) and a scraper (322); the scraper (322) is located on the surface of the filter screen (312); the electric push rod (321) is fixed to the surface of the filter cartridge (311); the output end of the electric push rod (321) passes through the inner cavity of the filter cartridge (311) and is fixedly connected to the scraper (322).

6. The horizontal sewage pump with backwashing function as claimed in claim 1, characterized in that: The backwashing assembly (4) comprises a connecting pipe (401), a second water outlet valve (402), a second water inlet pipe (403), a second water inlet valve (404), a sewage pipe (405) and a sewage valve (406); the two ends of the connecting pipe (401) are respectively connected to the filter cartridge (311) and the water outlet pipe (207); the second water outlet valve (402) is installed on the surface of the connecting pipe (401); one end of the second water inlet pipe (403) is connected to the connecting pipe (209); the second water inlet valve (404) is installed on the surface of the second water inlet pipe (403); one end of the sewage pipe (405) is connected to the filter cartridge (311); and the sewage valve (406) is installed on the surface of the sewage pipe (405).

7. The horizontal sewage pump with backwashing function as claimed in claim 6, characterized in that: The input ends of the sewage valve (406), the connecting valve (210), the motor (201) and the electric push rod (321) are all electrically connected to the output end of the PLC controller (5), and the output end of the PLC controller (5) is electrically connected to the input ends of the first water inlet valve (314), the first water outlet valve (208), the second water inlet valve (404) and the second water outlet valve (402), respectively.

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