Low-resistance pump set

Abstract

The invention discloses a low-resistance pump set, and relates to the technical field of water pump sets, the low-resistance pump set comprises a base, and a low-resistance buffer tank, a low-resistance water pump and a low-resistance filtering tank are fixedly arranged on the base in sequence; a buffer tank water inlet pipe is arranged on the side, close to the low-resistance water pump, of the low-resistance buffer tank, a buffer tank water outlet pipe is arranged on the top of the low-resistance buffer tank, a water pump water outlet pipe is arranged on the side, close to the low-resistance buffer tank, of the low-resistance water pump, and a water pump water inlet pipe is arranged on the side, close to the low-resistance filtering tank, of the low-resistance water pump. One side, close to the low-resistance water pump, of the low-resistance filtering tank is provided with a filtering tank water outlet pipe, the other side of the low-resistance filtering tank is provided with a filtering tank water inlet pipe, the filtering 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. The diameters of the low-resistance filtering tank and the low-resistance buffering tank are designed according to the flow of the low-resistance water pump, the filtering tank water outlet pipe, the water pump water inlet pipe, the water pump water outlet pipe and the buffering tank water inlet pipe are all located at the same horizontal height, and the lift of water is reduced.

Description

Technical Field

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

[0002] The traditional transmission and distribution system is generally composed of multiple scattered water pumps and supporting equipment. The construction of the traditional transmission and distribution system is generally implemented in a mode where the design institute designs, the engineering company installs, and the equipment manufacturer provides the equipment. The design capacity is too large, the equipment is not well matched, the transmission and distribution system is inefficient, and energy waste is serious. The actual operating conditions of the water pump are far from the design conditions, the circulating water pump has a high head, the system energy consumption increases, and it is easy to 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 set 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 fixedly arranged 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, 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, 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, thereby reducing 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 drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying 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 set 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 technical solutions in the embodiments of the present invention are described clearly and completely below. 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 creative work are within the scope of protection of the present invention.

[0020] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or components is not necessarily limited to those steps or components that are clearly listed, but may include other steps or components that are not clearly listed or inherent to these processes, methods, products or devices.

[0021] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0022] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0023] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to 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 fixedly arranged in sequence; a buffer tank water inlet pipe 42 is arranged 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 arranged on the top of the low resistance buffer tank 4, a water pump water outlet pipe 13 is arranged on the side of the low resistance water pump 1 close to the low resistance buffer tank 4, a water pump water inlet pipe 12 is arranged on the side of the low resistance water pump 1 close to the low resistance filter tank 5, a filter tank water outlet pipe 53 is arranged on the side of the low resistance filter tank 5 close to the low resistance water pump 1, a filter tank water inlet pipe 52 is arranged on the side of the low resistance filter tank 5 far from the low resistance water pump 1, the filter tank water outlet pipe 53 is connected with the water pump water inlet pipe 12, the water pump water outlet pipe 13 is connected with the buffer tank water inlet pipe 42, and the filter tank water outlet pipe 53, the water pump water inlet pipe 12, the water pump water outlet pipe 13 and the buffer tank water 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] Embodiment 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 arranged correspondingly to 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 arranged correspondingly to 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 flow through the low-resistance filter tank 5 can be basically ignored, so it is calculated that the tank diameter of the low-resistance filter tank 5 is 0.4m;

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

[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, and the tank diameter of the low-resistance buffer tank 4 is determined to be 0.4 m and the length is 1.2 m.

[0036] Embodiment 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 arranged correspondingly to 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 arranged correspondingly to 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 filter surface of the water flow 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 0.7m;

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

[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, and the tank 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 only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope 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 fixedly arranged in sequence; a buffer tank water inlet pipe (42) is arranged 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 arranged on the top of the low-resistance buffer tank (4), a water pump water outlet pipe (13) is arranged 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 arranged 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 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 to the water pump inlet pipe (12), and the water pump outlet pipe (13) is connected to the buffer tank inlet pipe (42). 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.

2. A low resistance pump set according to claim 1, characterized in that: The filter tank water outlet pipe (53) is connected to the water pump water inlet pipe (12) via a wafer butterfly valve (3) and a variable diameter flexible connector (2); the buffer tank water inlet pipe (42) is connected to the water pump water outlet pipe (13) via a wafer butterfly valve (3) and a variable diameter flexible connector (2).

3. A low resistance pump set according to claim 1, characterized in that: 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).

4. A low resistance pump set according to claim 1, characterized in that: 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.

5. A low resistance pump set 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.

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