CN215057948U

CN215057948U - Device for eliminating pulse during fluid delivery of plunger type metering pump

Info

Publication number: CN215057948U
Application number: CN202120377354.3U
Authority: CN
Inventors: 夏雨; 胡林强; 毛波; 刘斌; 周家焱; 郭鹏
Original assignee: Astatech (chengdu) Biopharmaceutical Corp
Current assignee: Astatech (chengdu) Biopharmaceutical Corp
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-12-07
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a device that is used for plunger type measurement pump fluid delivery time to eliminate pulse, including the buffer, the buffer level sets up, and buffer inner chamber size is crescent from upper reaches to low reaches, and a plurality of inlet pipes of buffer upper reaches end intercommunication, buffer upper reaches portion intercommunication pulsation damper, pulsation damper are equipped with first manometer, buffer low reaches top intercommunication relief valve, buffer low reaches bottom intercommunication back pressure valve, and the back pressure valve is equipped with the second manometer, back pressure valve low reaches intercommunication stop valve. The utility model discloses can satisfy the requirement that needs plunger formula measuring pump transport fluid among the industrial production, and continuous steady transport fluid.

Description

Device for eliminating pulse during fluid delivery of plunger type metering pump

Technical Field

The utility model relates to a pipeline auxiliary device field especially relates to a device that eliminates pulse when being used for plunger type measuring pump fluid transport.

Background

In various fluid conveying devices for plunger metering pumps, pulse-free conveying fluid is required to be continuously and stably conveyed, and the conventional device for eliminating the pulse in the fluid conveying process of the plunger metering pump cannot continuously and stably convey the fluid basically. There is a need for a new device for eliminating pulsation in fluid delivery of plunger metering pumps.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an eliminate device of pulse when being used for plunger type measuring pump fluid transport can satisfy the requirement that needs plunger type measuring pump carried fluid among the industrial production, and continuous steady transport fluid.

In order to achieve the purpose, the utility model adopts the following technical proposal to realize:

the utility model discloses a device that is used for plunger type measurement pump fluid delivery time to eliminate pulse, including the buffer, the buffer level sets up, and buffer inner chamber size is crescent from upper reaches to low reaches, and a plurality of inlet pipes of buffer upper reaches end intercommunication, buffer upper reaches portion intercommunication pulsation damper, pulsation damper are equipped with first manometer, buffer low reaches top intercommunication relief valve, buffer low reaches bottom intercommunication back pressure valve, and the back pressure valve is equipped with the second manometer, back pressure valve low reaches intercommunication stop valve.

Preferably, the pulsation damper is a bladder type pulsation damper.

Preferably, the shut-off valve is a ball valve.

Preferably, the feeding pipes are two in total, namely a first feeding pipe and a second feeding pipe.

Preferably, the back pressure valve has a regulating function.

Preferably, the ball valve is in downstream communication with the discharge pipe.

The utility model has the advantages that:

the utility model discloses can satisfy the requirement that needs plunger formula measuring pump carried fluid among the industrial production, and continuous steady transport fluid, still have the function of pressure release when too high meanwhile, guarantee the safety of device.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a cross-sectional view of a bumper.

In the figure: 1-pulsation damper, 2-buffer, 3-safety valve, 4-backpressure valve, 5-ball valve, 6-first feeding pipe, 7-second feeding pipe, 8-discharging pipe, 9-first pressure gauge, 10-second pressure gauge and 11-clapboard.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

As shown in figure 1 and figure 2, the utility model comprises a buffer 2, the buffer 2 is horizontally arranged, the size of the inner cavity of the buffer 2 is gradually increased from the upstream to the downstream, the upstream end of the buffer 2 is communicated with a plurality of feed pipes, the upstream part of the buffer 2 is communicated with a pulsation damper 1, the pulsation damper 1 is provided with a first pressure gauge 9, the downstream top part of the buffer 2 is communicated with a safety valve 3, the downstream bottom part of the buffer 2 is communicated with a backpressure valve 4, the backpressure valve 4 is provided with a second pressure gauge 10, the downstream part of the backpressure valve 4 is communicated with a stop valve, the pulsation damper 1 is an air bag type pulsation damper, the stop valve is a ball valve 5, the total number of the feed pipes is two, the feed pipes are respectively a first feed pipe 6 and a second feed pipe 7, the backpressure valve 4 has an adjusting function, the downstream part of the ball valve 5 is communicated with a discharge pipe 8, the upstream part of the inner cavity of the buffer 2 is provided with a baffle 11 at the communication part of the pulsation damper 1, the baffle 11 is used for changing a flow passage, the feed is first passed through a pulsation damper 1.

When the device is actually used, fluid enters the buffer 2 through the feeding pipe, the back pressure of the back pressure valve 4 is used for filling the buffer 2 and the pulsation damper 1 with the fluid, the pressure of the back pressure valve 4 is adjusted to control the flow, and when the pressure exceeds the set pressure of the back pressure valve 4, the purpose of continuously and stably conveying the fluid is achieved through pressure relief of the safety valve 3.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. A device for eliminating pulse during fluid delivery of a plunger type metering pump is characterized in that: including buffer (2), buffer (2) level sets up, buffer (2) inner chamber size is crescent from upper reaches to low reaches, a plurality of inlet pipes of buffer (2) upper reaches end intercommunication, buffer (2) upper reaches portion intercommunication pulsation damper (1), pulsation damper (1) are equipped with first manometer (9), buffer (2) low reaches top intercommunication relief valve (3), buffer (2) low reaches bottom intercommunication backpressure valve (4), backpressure valve (4) are equipped with second manometer (10), backpressure valve (4) low reaches intercommunication stop valve.

2. The apparatus of claim 1, wherein: the pulsation damper (1) is an air bag type pulsation damper.

3. The apparatus of claim 1, wherein: the stop valve is a ball valve (5).

4. The apparatus of claim 1, wherein: the feed pipes are two in total and are respectively a first feed pipe (6) and a second feed pipe (7).

5. The apparatus of claim 1, wherein: the back pressure valve (4) has a regulating function.

6. The apparatus of claim 1, wherein: the downstream of the ball valve (5) is communicated with a discharge pipe (8).