CN219452377U - Metering pump outlet pipeline with multiple pump heads connected in parallel - Google Patents

Abstract

The utility model discloses a metering pump outlet pipeline with multiple pump heads connected in parallel, which comprises an outlet branch pipe connected with a metering pump, wherein the outlet branch pipe consists of at least one T-shaped branch pipe and two L-shaped branch pipes, the bottom ends of at least one T-shaped branch pipe and the two L-shaped branch pipes are commonly connected with a first collecting pipe, the middle of the first collecting pipe, which is positioned at the joint of the adjacent T-shaped branch pipes and the L-shaped branch pipes, is connected with a second collecting pipe, and the middle of the second collecting pipe is connected with an outlet main pipe. This parallelly connected metering pump outlet pipe of many pump heads, the material is from the branch pipe of being connected with the metering pump, gathers a first collecting pipe, and 2 way of entering second collecting pipes of first collecting pipe subdivision, and the second collecting pipe merges the back and gets into export house steward, forms "three advance two", "two advance one" logistics channel, has realized the balance of every pump head export backpressure, has avoided the unbalanced back pressure to lead to holding down pressure and equipment trouble.

Description

Metering pump outlet pipeline with multiple pump heads connected in parallel

Technical Field

The utility model belongs to the technical field of metering pump connection, and particularly relates to a metering pump outlet pipeline with multiple pump heads connected in parallel.

Background

Metering pumps are also known as metering pumps or proportional pumps. The pump is a special volumetric pump which can meet the requirements of various strict technological processes, can realize stepless adjustment of the flow rate within the range of 0-100 percent and is used for conveying liquid and sizing agent (particularly corrosive liquid). The metering pump can simultaneously complete the functions of conveying, metering and regulating, thereby simplifying the production process flow, and the metering pump is widely applied to various industrial fields of petrochemical industry, pharmacy, food and the like due to the self prominence.

In order to meet the requirements of flow, pressure and the like, the metering pump with multiple pump heads connected in parallel is often used, the metering pump with the multiple pump heads connected in parallel is driven by a common motor or other driving mechanisms to operate at staggered phases and the same stroke speed, and the total power and the energy consumption are effectively reduced. Taking 3 pump heads in parallel as an example, the trend of outlet materials of the metering pump is shown in fig. 1, 3 pump heads are respectively connected with 3 outlet branch pipelines and then summarized in a main pipe, and in practical application, it is found that as the distances between the corresponding outlets of each pump head and the main pipe of the outlet are inconsistent, the back pressure of the outlet of each pump head is different, the pump heads with large back pressure are suffocated, and in severe cases, the diaphragms are broken and the equipment is failed.

Disclosure of Invention

The utility model aims to provide a metering pump outlet pipeline with multiple pump heads connected in parallel, which solves the problems of different outlet back pressures of each pump head, large back pressure of the pump head, pressure holding, diaphragm rupture and equipment failure caused by inconsistent distances between corresponding outlets of each pump head and an outlet main pipe in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a parallelly connected metering pump outlet pipe of multiple pump head, is including the outlet branch pipe of connecting the metering pump, the outlet branch pipe comprises at least one T type branch pipe and two L type branch pipes, wherein at least one T type branch pipe with two the bottom of L type branch pipe is connected with a first collecting pipe jointly, the intermediate junction that first collecting pipe is located adjacent T type branch pipe and L type branch pipe junction has a second collecting pipe, the intermediate junction of second collecting pipe has an outlet header.

Preferably, the top ends of the T-shaped branch pipe and the L-shaped branch pipe are welded with connecting flanges, and the T-shaped branch pipe and the L-shaped branch pipe are communicated with the water outlet of the metering pump through the connecting flanges.

Preferably, the first collecting pipe comprises a plurality of first connecting pipes, a plurality of first pipe joints and at least one first three-way pipe, one ends of the first pipe joints are respectively connected to the bottom pipe orifices of the L-shaped branch pipes and the T-shaped branch pipes, the other ends of the first pipe joints are connected with the first connecting pipes, and two pipe orifices of the first three-way pipe are respectively connected with the two first connecting pipes.

Preferably, the second collecting pipe comprises at least two L-shaped connecting pipes, a plurality of second pipe joints, a plurality of second connecting pipes and at least one second three-way pipe, wherein the top ends of the two L-shaped connecting pipes are connected with one pipe orifice of the first three-way pipe, the bottom ends of the two L-shaped connecting pipes are connected with one end of the second pipe joint, the other end of the second pipe joint is connected with the second connecting pipe, and two pipe orifices of the second three-way pipe are respectively connected with the two second connecting pipes

Preferably, the outlet main pipe is of an L-shaped structure, and the top end of the outlet main pipe is connected with the other pipe orifice of the second three-way pipe.

The utility model has the technical effects and advantages that: this parallelly connected metering pump outlet pipe of many pump heads compares in current outlet pipe, through setting up outlet branch pipe, first collecting pipe, second collecting pipe and export house steward, the material is from the branch pipe of being connected with the metering pump, gathers to first collecting pipe, and first collecting pipe subdivides 2 ways and gets into the second collecting pipe, and the second collecting pipe merges the back and gets into export house steward, forms "three advance two", "two advance one" logistics channel, has realized the balance of every pump head export backpressure, has avoided the unbalanced holding down and the equipment trouble that leads to of backpressure.

Drawings

FIG. 1 is a prior art exit material trend diagram of the present utility model

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of the outlet branch pipe of the present utility model when detached;

FIG. 4 is a schematic view of the structure of a first collection tube according to the present utility model;

fig. 5 is a schematic structural view of a second header tube of the present utility model.

In the figure: 1. an outlet branch pipe; 2. a connecting flange; 3. a first collection tube; 4. a second collection tube; 5. an outlet manifold; 11. a T-shaped branch pipe; 12. an L-shaped branch pipe; 31. a first connection pipe; 32. a first tee; 33. a first pipe joint; 41. an L-shaped connecting pipe; 42. a second pipe joint; 43. a second connection pipe; 44. and a second three-way pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to a metering pump outlet pipeline with multiple pump heads connected in parallel as shown in fig. 2-3, the metering pump outlet pipeline comprises an outlet branch pipe 1 connected with a metering pump, wherein the outlet branch pipe 1 consists of at least one T-shaped branch pipe 11 and two L-shaped branch pipes 12, three metering pumps are taken as an example, two L-shaped branch pipes 12 and one T-shaped branch pipe 11 are respectively connected with the metering pumps, connecting flanges 2 are welded at the top ends of the T-shaped branch pipes 11 and the L-shaped branch pipes 12, and the T-shaped branch pipes 11 and the L-shaped branch pipes 12 are communicated with water outlets of the metering pumps through the connecting flanges 2. Wherein T type branch pipe 11 is connected with a first collecting pipe 3 jointly with the bottom of L type branch pipe 12, realize that a plurality of metering pump play water enters into in a collecting pipe 3, and first collecting pipe 3 is located adjacent T type branch pipe 11 and the intermediate junction of L type branch pipe 12 and is connected with a second collecting pipe 4, thereby realize no matter how many groups of metering pump, when the delivery port of metering pump enters into second collecting pipe 4, the mouth of pipe of play water branch pipe 1 is the same from adjacent second collecting pipe 4 orificial distance, in order to realize the balance of every pump head export backpressure, the holding down that the backpressure unbalance led to has avoided and equipment trouble, the intermediate junction of second collecting pipe 4 has export house steward 5.

Referring to fig. 3 to 4, the first collecting pipe 3 includes a plurality of first connecting pipes 31, a plurality of first pipe joints 33, and at least one first tee pipe 32, taking a total of three metering pumps as an example, four first pipe joints 33 and four first connecting pipes 31 and one first tee pipe 32, one end of each first pipe joint 33 is connected to the bottom end pipe orifice of each L-shaped branch pipe 12 and each T-shaped branch pipe 11, the other end is connected to the first connecting pipe 31, and two pipe orifices of each first tee pipe 32 are respectively connected to the two first connecting pipes 31, so that the bottom ends of the plurality of T-shaped branch pipes 12 and the T-shaped branch pipes 11 are communicated in one first collecting pipe 32.

Referring to fig. 4 to 5, the second collecting pipe 4 includes at least two L-shaped connecting pipes 41, a plurality of second pipe joints 42, a plurality of second connecting pipes 43, and at least one second three-way pipe 44, here, three metering pumps are exemplified, there are two L-shaped connecting pipes 41, two second pipe joints 42, two second connecting pipes 43, and one second three-way pipe 44 in total, the top ends of the two L-shaped connecting pipes 41 are connected to one pipe orifice of the first three-way pipe 32, the bottom ends are connected to one end of the second pipe joint 42, the other end of the second pipe joint 42 is connected to the second connecting pipe 43, and two pipe orifices of the second three-way pipe 44 are respectively connected to the two second connecting pipes 43. The outlet main pipe 5 is of an L-shaped structure, the top end of the outlet main pipe 5 is connected with the other pipe orifice of the second three-way pipe 44, in the process of realizing that the water outlet branch pipe 1 flows to the outlet main pipe 5, the branch pipes connected with the metering pumps are collected to form a first collecting pipe, 2 paths of the first collecting pipe enter a second collecting pipe, and the second collecting pipe is converged and then enters the outlet main pipe to form a three-in-two-in-one logistics channel.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (5)

1. Metering pump outlet pipe that many pump heads are parallelly connected, including connecting the outlet branch pipe (1) of metering pump, its characterized in that: the outlet branch pipe (1) comprises at least one T-shaped branch pipe (11) and two L-shaped branch pipes (12), wherein at least one T-shaped branch pipe (11) and two L-shaped branch pipes (12) are connected with a first collecting pipe (3) together at the bottom ends of the T-shaped branch pipes, the first collecting pipe (3) is positioned in the middle of the joint of the adjacent T-shaped branch pipe (11) and the L-shaped branch pipes (12) and is connected with a second collecting pipe (4), and the middle of the second collecting pipe (4) is connected with an outlet header pipe (5).

2. A multiple pump head parallel metering pump outlet conduit according to claim 1, wherein: the top ends of the T-shaped branch pipes (11) and the L-shaped branch pipes (12) are welded with connecting flanges (2), and the T-shaped branch pipes (11) and the L-shaped branch pipes (12) are communicated with the water outlet of the metering pump through the connecting flanges (2).

3. A multiple pump head parallel metering pump outlet conduit according to claim 1, wherein: the first collecting pipe (3) comprises a plurality of first connecting pipes (31), a plurality of first pipe joints (33) and at least one first three-way pipe (32), one ends of the first pipe joints (33) are respectively connected to the bottom pipe orifices of the L-shaped branch pipes (12) and the T-shaped branch pipes (11), the other ends of the first pipe joints are connected with the first connecting pipes (31), and two pipe orifices of the first three-way pipe (32) are respectively connected with the two first connecting pipes (31).

4. A multiple pump head parallel metering pump outlet conduit according to claim 3, wherein: the second collecting pipe (4) comprises at least two L-shaped connecting pipes (41), a plurality of second pipe joints (42), a plurality of second connecting pipes (43) and at least one second three-way pipe (44), wherein the top ends of the L-shaped connecting pipes (41) are connected with one pipe orifice of the first three-way pipe (32), the bottom ends of the L-shaped connecting pipes are connected with one end of the second pipe joints (42), the other ends of the second pipe joints (42) are connected with the second connecting pipes (43), and two pipe orifices of the second three-way pipe (44) are respectively connected with the two second connecting pipes (43).

5. A multiple pump head parallel metering pump outlet conduit according to claim 4, wherein: the outlet main pipe (5) is of an L-shaped structure, and the top end of the outlet main pipe (5) is connected with the other pipe orifice of the second three-way pipe (44).