A low resistance pump set

By designing a low-resistance pump group and optimizing the water flow path, the problems of low efficiency and energy waste in the traditional distribution system are solved, efficient and stable water flow is achieved, and the equipment life is extended.

CN120100772BActive Publication Date: 2025-10-21BEIJING ZHONGRAN SENCHUANG TECHNOLOGY CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202510346715.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2025-10-21
Estimated Expiration
2045-03-24

AI Technical Summary

Technical Problem

The design capacity of traditional transmission and distribution systems is too large, and the equipment is poorly matched, resulting in low efficiency and serious energy waste. The operating conditions of water pumps deviate from the designed conditions and are prone to damage.

Method used

A low-resistance pump group is designed, including a low-resistance buffer tank, a low-resistance water pump and a low-resistance filter tank. The filter tank outlet pipe, water pump inlet pipe, water pump outlet pipe and buffer tank inlet pipe are located at the same horizontal height. Combined with a wafer-type butterfly valve and a variable-diameter flexible connector, the water flow path is optimized.

Benefits of technology

It reduces the water head, stabilizes the water flow, improves system efficiency, reduces energy waste and extends the service life of equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120100772B_ABST
    Figure CN120100772B_ABST
Patent Text Reader

Abstract

The application discloses a low-resistance pump set and relates to the technical field of water pump sets.The low-resistance pump set comprises a base, a low-resistance buffer tank, a low-resistance water pump and a low-resistance filter tank which are sequentially fixed on the base; the low-resistance buffer tank is provided with a buffer tank water inlet pipe on the side close to the low-resistance water pump; the top of the low-resistance buffer tank is provided with a buffer tank water outlet pipe; the low-resistance water pump is provided with a water pump water outlet pipe on the side close to the low-resistance buffer tank; the low-resistance water pump is provided with a water pump water inlet pipe on the side close to the low-resistance filter tank; the low-resistance filter tank is provided with a filter tank water outlet pipe on the side close to the low-resistance water pump; the low-resistance filter tank is provided with a filter tank water inlet pipe on the other side; the filter tank water outlet pipe is communicated with the water pump water inlet pipe; and the water pump water outlet pipe is communicated with the buffer tank water inlet pipe. In the application, the diameters of the low-resistance filter tank and the low-resistance buffer tank are designed according to the flow of the low-resistance water pump; and the filter tank water outlet pipe, the water pump water inlet pipe, the water pump water outlet pipe and the buffer tank water inlet pipe are all located at the same horizontal height, so that the water lift is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to the technical field of water pump assemblies, and in particular to a low-resistance pump assembly. Background Art

[0002] Traditional water distribution systems typically consist of multiple, decentralized pumps and supporting equipment. These systems are typically designed by a design institute, installed by an engineering company, and supplied by an equipment manufacturer. This results in oversized design capacities, poor equipment coordination, low system efficiency, and significant energy waste. The actual operating conditions of the pumps often deviate from their designed operating conditions, resulting in high circulating pump heads, increased system energy consumption, and increased risk of damage.

[0003] Therefore, a low-resistance pump group is urgently needed. Summary of the Invention

[0004] In view of this, the present invention provides a low-resistance pump assembly to solve the problems raised in the above background technology, and specifically discloses the following contents:

[0005] A low-resistance pump group comprises a base, on which a low-resistance buffer tank, a low-resistance water pump and a low-resistance filter tank are fixed in sequence; the low-resistance buffer tank is provided with a buffer tank inlet pipe on the side close to the low-resistance water pump, and a buffer tank outlet pipe is provided on the top of the low-resistance buffer tank; the low-resistance water pump is provided with a water pump outlet pipe on the side close to the low-resistance buffer tank, the low-resistance water pump is provided with a water pump inlet pipe on the side close to the low-resistance filter tank, the low-resistance filter tank is provided with a filter tank outlet pipe on the side close to the low-resistance water pump, and the low-resistance filter tank is provided with a filter tank inlet pipe on the side away from the low-resistance water pump, the filter tank outlet pipe is connected with the water pump inlet pipe, the water pump outlet pipe is connected with the buffer tank inlet pipe, and the filter tank outlet pipe, the water pump inlet pipe, the water pump outlet pipe and the buffer tank inlet pipe are all located at the same horizontal height.

[0006] Furthermore, the filter tank outlet pipe is connected to the water pump inlet pipe through a wafer butterfly valve and a variable diameter flexible connector; the buffer tank inlet pipe is connected to the water pump outlet pipe through a wafer butterfly valve and a variable diameter flexible connector.

[0007] Furthermore, the low-resistance buffer tank is fixedly mounted on the base via a buffer tank base, the low-resistance water pump is fixedly mounted on the base via a water pump base, and the low-resistance filter tank is fixedly mounted on the base via a filter tank base.

[0008] Furthermore, a buffer tank valve seat is provided on the top of the low-resistance buffer tank for connecting to a pressure sensor, and a filter tank valve seat is provided on the top of the low-resistance filter tank for connecting to a pressure sensor.

[0009] Furthermore, the number of the low-resistance water pumps is two, the number of the buffer tank water inlet pipes is two, and the number of the filter tank water outlet pipes is two.

[0010] The beneficial effects of the present invention are:

[0011] In the present invention, the diameters of the low-resistance filter tank and the low-resistance buffer tank are designed according to the flow rate of the low-resistance water pump, and the filter tank outlet pipe, the water pump inlet pipe, the water pump outlet pipe and the buffer tank inlet pipe are all located at the same horizontal height, which reduces the water head; a buffer tank outlet pipe is provided on the top of the low-resistance buffer tank to facilitate stabilizing the water flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0013] Figure 1 This is a front view of a low-resistance pump group of the present invention.

[0014] Figure 2 This is a top view of a low-resistance pump group of the present invention.

[0015] Figure 3 It is a right side view of the low resistance buffer tank of the present invention.

[0016] Figure 4 It is a left view of the low resistance filter tank of the present invention.

[0017] Among them, in the figure:

[0018] 1-Low resistance water pump; 11-Water pump base; 12-Water pump inlet pipe; 13-Water pump outlet pipe; 2-Reducing flexible connector; 3-Wafer butterfly valve; 4-Low resistance buffer tank; 41-Buffer tank base; 42-Buffer tank inlet pipe; 43-Buffer tank outlet pipe; 44-Buffer tank valve seat; 5-Low resistance filter tank; 51-Filter tank base; 52-Filter tank inlet pipe; 53-Filter tank outlet pipe; 54-Filter tank valve seat; 6-Base. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0020] It should be noted that the terms "first," "second," and the like in the specification and claims of the present application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the numbers used in this manner are interchangeable where appropriate for the embodiments of the present application described herein. In addition, the terms "including" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or components is not necessarily limited to those steps or components clearly listed, but may include other steps or components that are not clearly listed or inherent to these processes, methods, products, or apparatus.

[0021] In this application, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe this application and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0022] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0023] Furthermore, the terms "installed," "disposed," "provided with," "connected," "connected," and "socketed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0024] See attached Figure 1-4The present invention discloses a low-resistance pump group, including a base 6, on which a low-resistance buffer tank 4, a low-resistance water pump 1 and a low-resistance filter tank 5 are fixed in sequence; the low-resistance buffer tank 4 is provided with a buffer tank inlet pipe 42 on the side close to the low-resistance water pump 1, and a buffer tank outlet pipe 43 is provided on the top of the low-resistance buffer tank 4, the low-resistance water pump 1 is provided with a water pump outlet pipe 13 on the side close to the low-resistance buffer tank 4, the low-resistance water pump 1 is provided with a water pump inlet pipe 12 on the side close to the low-resistance filter tank 5, the low-resistance filter tank 5 is provided with a filter tank outlet pipe 53 on the side close to the low-resistance water pump 1, and the low-resistance filter tank 5 is provided with a filter tank inlet pipe 52 on the side away from the low-resistance water pump 1, the filter tank outlet pipe 53 is connected with the water pump inlet pipe 12, the water pump outlet pipe 13 is connected with the buffer tank inlet pipe 42, and the filter tank outlet pipe 53, the water pump inlet pipe 12, the water pump outlet pipe 13 and the buffer tank inlet pipe 42 are all located at the same horizontal height.

[0025] In the present invention, the tank diameters of the low-resistance filter tank 5 and the low-resistance buffer tank 4 are designed according to the flow rate of the low-resistance water pump 1, and the filter tank outlet pipe 53, the water pump inlet pipe 12, the water pump outlet pipe 13 and the buffer tank inlet pipe 42 are all located at the same horizontal height, which reduces the water head. A buffer tank outlet pipe 43 is provided on the top of the low-resistance buffer tank 4 to facilitate stabilizing the water flow.

[0026] The filter tank outlet pipe 53 is connected to the water pump inlet pipe 12 through the wafer butterfly valve 3 and the variable diameter flexible connector 2; the buffer tank inlet pipe 42 is connected to the water pump outlet pipe 13 through the wafer butterfly valve 3 and the variable diameter flexible connector 2.

[0027] The low resistance buffer tank 4 is fixedly mounted on the base 6 via the buffer tank base 41 , the low resistance water pump 1 is fixedly mounted on the base 6 via the water pump base 11 , and the low resistance filter tank 5 is fixedly mounted on the base 6 via the filter tank base 51 .

[0028] A buffer tank valve seat 44 is provided on the top of the low-resistance buffer tank 4 for connecting to a pressure sensor, and a filter tank valve seat 54 is provided on the top of the low-resistance filter tank 5 for connecting to a pressure sensor.

[0029] Example 1:

[0030] The base 6 is made of carbon steel. The flow rate of the low resistance water pump 1 after verification is 120m 3 / h, 2 units in total;

[0031] The filter tank outlet pipe 53 of the low-resistance filter tank 5 is correspondingly provided with the water pump inlet pipes 12 of the two low-resistance water pumps 1, and the buffer tank inlet pipe 42 of the low-resistance buffer tank 4 is correspondingly provided with the water pump outlet pipes 13 of the two low-resistance water pumps 1;

[0032] The total water flow in the pump group is 240m 3 / h; when the water flow rate is not greater than 0.5m / s, the resistance of the filter surface of the water flowing through the low-resistance filter tank 5 can be basically ignored, so the diameter of the low-resistance filter tank 5 is calculated to be 0.4m;

[0033] After the two low-resistance water pumps 1 are assembled into a module, the total length is about 1.2m, and the length of the low-resistance filter tank 5 is determined to be 1.2m;

[0034] The diameter of the low resistance filter tank 5 is 0.4m and the length is 1.2m. It is calculated that the filter area of ​​the low resistance filter tank 5 is 0.48m 2 ;

[0035] After the two low-resistance water pumps 1 are assembled into a module, the total length is about 1.2 m. Therefore, the diameter of the low-resistance buffer tank 4 is determined to be 0.4 m and the length is 1.2 m.

[0036] Example 2:

[0037] The base 6 is made of carbon steel. The flow rate of the low resistance water pump 1 after verification is 326m 3 / h, 2 units in total;

[0038] The filter tank outlet pipe 53 of the low-resistance filter tank 5 is correspondingly provided with the water pump inlet pipes 12 of the two low-resistance water pumps 1, and the buffer tank inlet pipe 42 of the low-resistance buffer tank 4 is correspondingly provided with the water pump outlet pipes 13 of the two low-resistance water pumps 1;

[0039] The total water flow in the pump group is 652m 3 / h; When the water flow rate is not greater than 0.5m / s, the resistance of the water flowing through the filter surface of the low-resistance filter tank 5 can be basically ignored, so the diameter of the low-resistance filter tank 5 is calculated to be 0.7m;

[0040] After the two low-resistance water pumps 1 are assembled into a module, the total length is about 1.5m, and the length of the low-resistance filter tank 5 is determined to be 1.5m;

[0041] The diameter of the low resistance filter tank 5 is 0.7m and the length is 1.5m. It is calculated that the filter area of ​​the low resistance filter tank 5 is 1.05m 2 ;

[0042] After the two low-resistance water pumps 1 are assembled into a module, the total length is about 1.5 m. Therefore, the diameter of the low-resistance buffer tank 4 is determined to be 0.7 m and the length is 1.5 m.

[0043] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Persons skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A low resistance pump set, characterized in that: The invention comprises a base (6), on which a low-resistance buffer tank (4), a low-resistance water pump (1) and a low-resistance filter tank (5) are fixed in sequence; a buffer tank water inlet pipe (42) is provided on the side of the low-resistance buffer tank (4) close to the low-resistance water pump (1), a buffer tank water outlet pipe (43) is provided on the top of the low-resistance buffer tank (4), a water pump outlet pipe (13) is provided on the side of the low-resistance water pump (1) close to the low-resistance buffer tank (4), and a water pump water inlet pipe (12) is provided on the side of the low-resistance water pump (1) close to the low-resistance filter tank (5). The low-resistance filter tank (5) is provided with a filter tank outlet pipe (53) on a side close to the low-resistance water pump (1), and the low-resistance filter tank (5) is provided with a filter tank inlet pipe (52) on a side away from the low-resistance water pump (1), the filter tank outlet pipe (53) is communicated with the water pump inlet pipe (12), and the water pump outlet pipe (13) is communicated with the buffer tank inlet pipe (42), and the filter tank outlet pipe (53), the water pump inlet pipe (12), the water pump outlet pipe (13) and the buffer tank inlet pipe (42) are all located at the same horizontal height; The filter tank outlet pipe (53) is connected to the water pump inlet pipe (12) via a wafer butterfly valve (3) and a variable diameter flexible connector (2); the buffer tank inlet pipe (42) is connected to the water pump outlet pipe (13) via a wafer butterfly valve (3) and a variable diameter flexible connector (2); The low-resistance buffer tank (4) is fixedly mounted on the base (6) via a buffer tank base (41), the low-resistance water pump (1) is fixedly mounted on the base (6) via a water pump base (11), and the low-resistance filter tank (5) is fixedly mounted on the base (6) via a filter tank base (51); The top of the low-resistance buffer tank (4) is provided with a buffer tank valve seat (44) for connecting to a pressure sensor, and the top of the low-resistance filter tank (5) is provided with a filter tank valve seat (54) for connecting to a pressure sensor.

2. A low resistance pump assembly according to claim 1, characterized in that: The number of the low-resistance water pumps (1) is two, the number of the buffer tank water inlet pipes (42) is two, and the number of the filter tank water outlet pipes (53) is two.

Citation Information

Patent Citations

  • Low-resistance mute non-return device for outlet of circulating pump of heating and ventilation system

    CN116293167A

  • Buffer tank type non-negative pressure water supply equipment

    CN210315790U