CN219348274U

CN219348274U - Double-acting sampler for wet-process online laser granularity monitoring system

Info

Publication number: CN219348274U
Application number: CN202320534609.1U
Authority: CN
Inventors: 周晓东; 马启文; 刘伟; 孟庆学
Original assignee: DANDONG BETTERSIZE INSTRUMENTS Ltd
Current assignee: DANDONG BETTERSIZE INSTRUMENTS Ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-07-14
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses a double acting sampler for a wet online laser granularity monitoring system, wherein a main body comprises an upper through hole and a lower drainage cavity; the upper part of the through hole is communicated with the production pipeline, and the lower part of the through hole is connected with the drainage cavity; the drainage cavity is communicated with a drainage pipe; the side wall of the through hole is provided with a sample injection pipe joint, a piston is arranged in the through hole, the lower part of the piston is connected with a pneumatic actuator, and when the piston is at the lowest part of the through hole, the position of the sample injection pipe joint is higher than the upper end part of the piston; when the piston is at the uppermost part of the through hole, the position of the sample injection pipe joint is lower than the lower end part of the piston. The sample injection pipeline is back-flushed and cleaned, and the cleaning liquid is discharged through the drain pipe, so that the cleaning liquid does not flow back to the production pipeline, and the hidden danger affecting the product purity of the production line is eliminated.

Description

Double-acting sampler for wet-process online laser granularity monitoring system

Technical Field

The utility model belongs to the field of wet online sampling and measuring of a laser particle analyzer, and particularly relates to a double-acting sampler.

Background

The traditional granularity test has the problems of insufficient sampling representativeness, non-real time, little effect of analysis data on real-time production guidance and the like, and can not meet the requirement of production quality control, so that the online sampling for granularity monitoring becomes a trend. The current laser particle analyzer wet method on-line sampling device, a sample feeding pipe is directly connected with a production pipeline, and when the sample feeding is completed and the sample feeding pipe is cleaned, cleaning liquid enters the production pipeline and the purity of products in the production pipeline cannot be guaranteed.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a double-acting sampler. The advantages are that: the sample injection pipeline is back-flushed and cleaned, and the cleaning liquid is discharged through the drain pipe, so that the cleaning liquid does not flow back to the production pipeline, and the hidden danger affecting the product purity of the production line is eliminated.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a double acting sampler for a wet online laser granularity monitoring system comprises a main body, wherein the main body comprises an upper through hole and a lower drainage cavity; the upper part of the through hole is communicated with the production pipeline, and the lower part of the through hole is connected with the drainage cavity; the drainage cavity is communicated with a drainage pipe joint;

the side wall of the through hole is provided with a sample injection pipe joint which is connected with the sample injection pipe; the main body is fixed on the main body seat, and the main body seat is connected with the drain pipe seat; the drain pipe joint is arranged on the drain pipe seat; a piston is arranged in the through hole, the lower part of the piston is connected with a push rod, the push rod is connected with a push rod seat, and the push rod seat is connected with a pneumatic actuator; the main body seat and the drain pipe seat are connected with the pneumatic actuator through four struts;

when the piston is at the lowest part of the through hole during sample injection, the position of the sample injection pipe joint is higher than the upper end part of the piston, and a sample flows into the sample injection pipe from the production pipeline and cannot flow into the drain pipe; during cleaning, the piston is arranged at the uppermost part of the through hole, the position of the sample injection pipe joint is lower than the lower end part of the piston, so that the cleaning liquid is ensured to flow in from the sample injection pipe, flow out from the drain pipe and not flow into the last pipeline.

The sample injection pipe joint is connected with the sample injection pipe through a conical sleeve and a joint, and a sample injection pipe bracket is arranged between the sample injection pipe and the sample injection pipe joint.

The pneumatic actuator is provided with a quick connector which is arranged up and down, the quick connector is connected with a two-position five-way electromagnetic valve through an air pipe, and the two-position five-way electromagnetic valve controls a push rod to drive the piston to move up and down.

The four struts are fixed through stainless steel nuts, sealing rings, countersunk screws and sealing ring pressing plates.

The utility model has the following advantages:

1. the utility model controls the pneumatic actuator through the electromagnetic valve, thereby controlling the up-and-down movement of the push rod and the piston. When sampling is performed, the two-position five-way electromagnetic valve controls the pneumatic actuator to drive the piston to move downwards, and the drainage pipe joint is closed by the piston; when sampling is completed, the sampling pipeline is cleaned, the pneumatic actuator is controlled by the two-position five-way electromagnetic valve to drive the piston to move upwards, the production pipeline is sealed by the piston at the moment, the sample feeding pipeline is cleaned by back flushing cleaning liquid, and the cleaning liquid is discharged from the drain pipe. Therefore, the purpose that the cleaning liquid of the sample injection pipe does not flow into the production line and the requirement of a user is met can be achieved.

2. The utility model is convenient to disassemble and repair and maintain in later period.

Drawings

FIG. 1 is a two-dimensional assembly view of the present utility model;

in the figure: 1-a main body; 2-a piston; 3-0 type circle; 4-nuts; 5-a main body seat; 6, sealing ring pressing plates; 7-countersunk head screws M3×6; 8-a sealing ring; 9-a drain pipe seat; 10-supporting columns; 11-a push rod seat; 12-a pneumatic actuator; 13-quick connector; 14-axis; 15-a retainer ring for the shaft; 16-push rod; 17-a drain pipe joint; 18-sealing by flooding; 19-O-shaped ring; 20-sample introduction pipe joint; 21 sample injection tube bracket; 22-linker; 23-a conical sleeve; 24-adapter, 25-production pipeline, 26-sampling tube, 27-through hole and 28-drainage cavity.

Detailed Description

The utility model is further described below with reference to the drawings.

Referring to fig. 1, the present utility model includes a main body 1, wherein the main body 1 includes an upper through hole 27 and a lower drainage cavity 28; the upper part of the through hole 27 is communicated with the production pipeline 25, and the lower part is connected with the drainage cavity 28; the drainage cavity 28 is communicated with the drainage pipe joint 17;

the side wall of the through hole 27 is provided with a sample introduction pipe joint 20, and the sample introduction pipe joint 20 is connected with a sample introduction pipe 26; the main body 1 is fixed on the main body seat 5, and the main body seat 5 is connected with the drain pipe seat 9; the drain pipe seat 9 is connected with a drain pipe joint 17, a piston 2 is arranged in the through hole 27, the lower part of the piston 2 is connected with a push rod 16, the push rod 16 is connected with a push rod seat 11, the push rod seat 11 is connected with a pneumatic actuator 12, and the main body seat 5 and the drain pipe seat 9 are connected with the pneumatic actuator 12 through four struts 10;

when the piston 2 is at the lowest part of the through hole 27, the position of the sample injection pipe joint 20 is higher than the upper end part of the piston 2; when the piston 2 is at the uppermost part of the through hole 27, the position of the sample introduction pipe joint 20 is lower than the lower end part of the piston 2.

The sample tube joint 20 is connected with a sample tube 26 through a taper sleeve 23 and a joint 22, and a sample tube bracket 21 is arranged between the sample tube 26 and the sample tube joint 20.

In one embodiment, the pneumatic actuator 12 is provided with quick connectors 13 which are arranged up and down, the quick connectors 13 are connected with two-position five-way electromagnetic valves through air pipes, and the two quick connectors 13 on the pneumatic actuator 12 are provided with two air flow regulating valves. The pneumatic actuator 12 can be controlled by the control of the two-position five-way electromagnetic valve, so that the double-acting of the device is realized. Meanwhile, the air flow regulating valve can regulate the up-and-down movement speed of the air cylinder.

It should be noted that, in this embodiment, the stainless steel nut 4, the sealing ring 8, the countersunk head screw 7, and the sealing ring pressing plate 6 are used to fix the four struts (10), so that the disassembly is convenient, and the subsequent repair and maintenance are convenient.

Working principle: when the pneumatic actuator is in operation, the two quick connectors 13 on the pneumatic actuator 12 are connected with the two-position five-way electromagnetic valve through the air pipe, the two-position five-way electromagnetic valve is used for controlling the pneumatic actuator 12 to move up and down, and the up and down movement of the pneumatic actuator 12 drives the push rod 16 and the piston 2 to move up and down. When sampling is performed, the pneumatic actuator 12 is controlled by the two-position five-way electromagnetic valve to drive the piston 2 to move downwards, the drain pipe joint 20 is closed by the piston 2, and a sample flows from a production pipeline to a sampling pipe, namely, the direction of an arrow A in the figure; when sampling is completed, the sampling pipeline is cleaned, the pneumatic actuator 12 is controlled by the two-position five-way electromagnetic valve to drive the piston 2 to move upwards, at the moment, the production pipeline is closed by the piston 2, the sample injection pipeline is cleaned by back flushing cleaning liquid, and the cleaning liquid is discharged from the drain pipe, namely, in the direction of an arrow B in the figure, so that the cleaning liquid of the sample injection pipeline can not flow into the production pipeline.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a double acting type sampler for online laser granularity monitored control system of wet process, includes main part (1), its characterized in that: the main body (1) comprises an upper through hole (27) and a lower drainage cavity (28); the upper part of the through hole (27) is communicated with the production pipeline (25), and the lower part of the through hole is connected with the drainage cavity (28); the drainage cavity (28) is communicated with the drainage pipe joint (17);

the side wall of the through hole (27) is provided with a sample injection pipe joint (20), and the sample injection pipe joint (20) is connected with a sample injection pipe (26); the main body (1) is fixed on the main body seat (5), and the main body seat (5) is connected with the drain pipe seat (9); the drain pipe joint (17) is arranged on the drain pipe seat (9); a piston (2) is arranged in the through hole (27), the lower part of the piston (2) is connected with a push rod (16), the push rod (16) is connected with a push rod seat (11), and the push rod seat (11) is connected with a pneumatic actuator (12); the main body seat (5) and the drain pipe seat (9) are connected with the pneumatic actuator (12) through four struts (10);

when the piston (2) is at the lowest part of the through hole (27), the position of the sample injection pipe joint (20) is higher than the upper end part of the piston (2); when the piston (2) is at the uppermost part of the through hole (27), the position of the sample injection pipe joint (20) is lower than the lower end part of the piston (2).

2. The double-acting sampler according to claim 1, wherein the sampling tube joint (20) is connected with a sampling tube (26) through a conical sleeve (23) and a joint (22), and a sampling tube bracket (21) is arranged between the sampling tube (26) and the sampling tube joint (20).

3. The double acting sampler according to claim 1, wherein the pneumatic actuator (12) is provided with a quick connector (13) which is arranged up and down, the quick connector (13) is connected with a two-position five-way electromagnetic valve through an air pipe, and the two-position five-way electromagnetic valve controls a push rod (16) to drive a piston (2) to move up and down.

4. The double acting sampler according to claim 1, characterized in that the four struts (10) are fixed by stainless steel nuts (4), sealing rings (8), countersunk screws (7), sealing ring press plates (6).