CN218546236U

CN218546236U - Heavy medium suspension liquid pipeline sampling device

Info

Publication number: CN218546236U
Application number: CN202222466630.0U
Authority: CN
Inventors: 韩兴勇; 朱绍文; 滕长利; 张维朔; 李新祥; 孟庆香; 张海燕; 林建成; 孙久强; 朱永文
Original assignee: Yankuang Energy Group Co Ltd
Current assignee: Yankuang Energy Group Co Ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-28
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a dense medium suspension pipeline sampling device. For filling the blank of the prior art, the heavy medium suspension pipeline sampling device comprises a main pipe, wherein a sampling pipe is arranged on the main pipe, the main pipe is a vertical main pipe, the sampling pipe is a square pipe, the lower end of the sampling pipe is intersected with the main pipe, the upper end of the sampling pipe inclines outwards, a self-flowing pipe is further arranged on the sampling pipe, the top end of the self-flowing pipe is communicated with the sampling pipe, the device further comprises a cut-off device, the cut-off device comprises a bottom plate, a cut-off plate and a medium flow baffle, the lower edge of the medium flow baffle and the lower edge of the cut-off plate are welded on the upper surface of the bottom plate, the medium flow baffle is perpendicular to the bottom plate, an acute angle is formed between the cut-off plate and the bottom plate, a self-flowing hole is formed in the bottom plate between the lower edge of the medium flow baffle and the cut-off plate, the cut-off device is arranged in the sampling pipe, the lower surface of the bottom plate is pressed on the lower slope surface of the sampling pipe, and both sides of the bottom plate, the cut-off plate and the medium flow baffle can be simultaneously contacted with the side wall of the sampling pipe.

Description

Heavy medium suspension liquid pipeline sampling device

Technical Field

The utility model relates to a dense medium suspension pipeline sampling device.

Background

In the process of dense medium coal separation, the density of the suspension directly influences the actual separation density, and whether the density of the suspension is normal or not directly influences the quality of a final product to be qualified or not. In order to improve the process effect of the sorting process, the fluctuation of the actual sorting density is as small as possible, and two methods are generally used for checking the density of the suspension, namely manual sampling detection; the other method is to perform on-line monitoring through a densimeter and a magnetic substance content meter, and to maintain the density of the suspension in a stable state by adding water, shunting or adding heavy substances according to the detection result. In actual production, in order to obtain more accurate detection data, automatic detection and manual sampling proofreading are required.

3238 Zxft 3238, published by the patent application of China with the publication number CN 111044408A, discloses an on-line measuring device for density of suspension of a dense medium, which comprises a steady flow box, a measuring cylinder, an electronic tension scale and a screw rod. One end of a sampling pipe provided with a sampling valve is arranged on a pipeline for pumping the heavy medium suspension, and the other end of the sampling pipe is connected with a flow stabilizing box. The heavy medium suspension enters the measuring cylinder through a discharge pipe connected to the steady flow box, an overflow port and a discharge pipe provided with a discharge valve are arranged on the measuring cylinder, the measuring cylinder is hung on the electronic tension scale, the electronic tension scale is hung at one end of the screw rod, and the other end of the screw rod is hung and fixed. The suspension density is obtained by reading the electronic tensile balance and the suspension volume measured in advance.

The device crosses the pipeline and carries out the transport dense medium suspension, samples through discharging pipe, valve, and this sampling mode has following shortcoming: firstly, coal slime and media in the branch are accumulated due to the sampling time interval of more than 2 hours, branch pipes are easy to block, the dredging is difficult, and the labor capacity is large; secondly, after a valve is opened during sampling, when a measuring cylinder is used for receiving materials, the sampling device is not easy to control and inconvenient to operate, and meanwhile, the suspension splashes around to pollute the field environment, so that the cleaning sanitary workload of workers is increased, and the field civilization image is reduced. Accordingly, further developments and improvements in the art are desired.

Disclosure of Invention

The to-be-solved technical problem of the utility model is how to fill the above-mentioned blank of prior art, provide a dense medium suspension pipeline sampling device.

In order to solve the technical problem, the heavy medium suspension pipeline sampling device comprises a main pipe, wherein a sampling pipe is arranged on the main pipe, and the heavy medium suspension pipeline sampling device is characterized in that: the person in charge is vertical being responsible for, the sampling pipe is square pipe, this sampling pipe lower extreme is crossing with the person in charge, its upper end outwards inclines, and still is equipped with the gravity flow pipe on the sampling pipe, this gravity flow pipe top communicates with each other with the sampling pipe, it still includes cut-off equipment, this cut-off equipment includes bottom plate, closure plate and medium flow baffle, the medium flow baffle is followed down with the closure plate and is welded on the bottom plate upper surface along the welding, and medium flow baffle perpendicular to bottom plate, be the acute angle between closure plate and the bottom plate, the one end of the neighbouring medium flow baffle of bottom plate is equipped with two relative pivot covers, be equipped with the connecting axle in this pivot cover, a T type handle has been welded at the connecting axle middle section, the bottom plate between medium flow baffle and the lower edge of closure plate is equipped with the gravity flow hole, cut-off equipment sets up in the sampling pipe, its bottom plate lower surface is pressed at the lower domatic face of sampling pipe, the bottom plate, the both sides of closure plate and medium flow baffle all can simultaneously with the lateral wall of sampling pipe contacts, inwards push away T type handle to gravity flow hole and gravity flow pipe communicating state, stretch into the main pipe on the closure plate, stretch into the main pipe, outwards pull T type handle, can make it in the sampling pipe, can follow sampling pipe on the sampling pipe. The design is simple in structure and convenient to sample.

Preferably, the upper end and the lower end of the main pipe are respectively provided with a flange plate, the main pipe at the other side of the sampling pipe is also provided with a horizontal pipe orifice, the horizontal pipe orifice is also provided with a flange plate, and the main pipe and the horizontal pipe orifice form a three-way structure. By the design, the connecting device is convenient for connecting a matched pipeline.

The utility model discloses dense medium suspension pipeline sampling device simple structure, convenient to use is fit for the dense medium suspension pipeline of coal preparation plant and uses.

Drawings

The heavy medium suspension pipeline sampling device is further explained by combining the attached drawings as follows:

fig. 1 is a drawing-out schematic view of the cut-off device of the heavy medium suspension pipeline sampling device of the invention;

fig. 2 is a schematic perspective view of the sampling state of the heavy medium suspension pipeline sampling device of the present invention;

FIG. 3 is a partial sectional view of the sampling state of the dense medium suspension pipeline sampling device shown in FIG. 2 (a quarter of the main pipeline is cut along a vertical plane passing through the axis of the main pipeline, and a sampling pipeline is cut along the vertical plane);

fig. 4 is a schematic perspective view of the heavy medium suspension pipeline sampling device in a closed state according to the present invention;

fig. 5 is a partial sectional view of the sampling device for dense medium suspension pipeline shown in fig. 4 in a closed state (a quarter of the main pipe is cut along a vertical plane passing through the axis of the main pipe, and a sampling pipe is cut along the vertical plane).

In the figure: the device comprises a main pipe 1, a sampling pipe 2, a lower slope surface 21 of the sampling pipe 2, an upper slope surface 22 of the sampling pipe 2, a self-flowing pipe 3, a bottom plate 4, a cut-off plate 5, a medium flow baffle plate 6, a rotating shaft sleeve 7, a connecting shaft 8, a T-shaped handle 9, a self-flowing hole 10, a flange plate 11 and a horizontal pipe opening 12.

Detailed Description

The first implementation mode comprises the following steps: as shown in fig. 1-5, the utility model discloses dense medium suspension pipeline sampling device is equipped with sampling pipe 2, its characterized in that including being responsible for 1 on this being responsible for 1: be responsible for 1 for vertical being responsible for, sampling pipe 2 is square pipe, and 2 lower extremes of this sampling pipe intersect with being responsible for 1, and its upper end leans out, and still is equipped with from flowing pipe 3 on the sampling pipe 2, and this flows 3 tops of flowing pipe and sampling pipe 2 communicates with each other.

It still includes cut-off equipment, this cut-off equipment includes bottom plate 4, closure plate 5 and medium flow baffle 6, medium flow baffle 6 is down along welding on bottom plate 4 upper surface with closure plate 5 is down, and medium flow baffle 6 perpendicular to bottom plate 4, be the acute angle between closure plate 5 and the bottom plate 4, the one end of the adjacent medium flow baffle 6 of bottom plate 4 is equipped with two relative pivot covers 7, be equipped with connecting axle 8 in this

pivot cover

7, 8 middle sections of connecting axle have welded a T type handle 9, medium flow baffle 6 is equipped with from discharge orifice 10 with closure plate 5 is down along bottom plate 4 between, cut-off equipment sets up in sampling tube 2, the lower domatic 21 of sampling tube 2 is pressed to its bottom plate 4 lower surface, bottom plate 4, closure plate 5 and medium flow baffle 6's both sides limit all can simultaneously with sampling tube 2's lateral wall contacts.

The T-shaped handle 9 is pushed into the main pipe 1 until the gravity flow hole 10 is communicated with the gravity flow pipe 3, the cut-off plate 5 extends into the main pipe 1, the T-shaped handle 9 is pulled outwards, the cut-off plate 5 can be retracted into the sampling pipe 2, and the upper edge of the cut-off plate 5 can be abutted against the upper slope 22 of the sampling pipe 2.

The upper end and the lower end of the main pipe 1 are respectively provided with a flange plate 11, the main pipe 1 at the other side of the sampling pipe 2 is also provided with a horizontal pipe orifice 12, the horizontal pipe orifice 12 is also provided with the flange plate 11, and the main pipe 1 and the horizontal pipe orifice 12 form a three-way structure.

When sampling is required as shown in fig. 2 and 3, the T-shaped handle 9 is held by hand to push the cut-off device inwards, so that the cut-off plate 5 extends into the main pipe 1, the gravity flow hole 10 on the bottom plate 4 is positioned just above the upper opening of the gravity flow pipe 3, the heavy medium suspension flows from top to bottom in the main pipe, the upper edge of the cut-off plate 5 cuts off part of the heavy medium suspension from the main pipe 1, and the part of the heavy medium suspension flows to the gravity flow hole 10 along the cut-off plate 5 and then flows to a matched sampling container (not shown in the figure) from the gravity flow pipe 3.

When not needing the sample, handheld T type handle 9 outwards pulls this cut-off equipment, makes in 5 retraction sampling pipes 2 of closure plate, and bottom plate 4 covers the 3 suitable for reading of flowing automatically, and closure plate 5 is last along supporting on sampling pipes 2 goes up domatic 22,

bottom plate

4 and 5 both sides limits of closure plate all can simultaneously with sampling pipes 2's lateral wall contacts, the utility model discloses dense medium suspension pipeline sampling device is sealed, like figure 4, 5. The dense medium suspension liquid flows from top to bottom in the main pipe.

Claims

1. The utility model provides a dense medium suspension pipeline sampling device, is responsible for including being responsible for, should be responsible for and be equipped with sampling pipe, its characterized in that: the main pipe is a vertical main pipe, the sampling pipe is a square pipe, the lower end of the sampling pipe is intersected with the main pipe, the upper end of the sampling pipe inclines outwards, a self-flowing pipe is further arranged on the sampling pipe, the top end of the self-flowing pipe is communicated with the sampling pipe, the flow cut-off device further comprises a cut-off device, the cut-off device comprises a bottom plate, a cut-off plate and a medium flow baffle plate, the lower edge of the medium flow baffle plate and the lower edge of the cut-off plate are welded on the upper surface of the bottom plate, the medium flow baffle plate is perpendicular to the bottom plate, an acute angle is formed between the cut-off plate and the bottom plate, one end of the bottom plate, which is adjacent to the medium flow baffle plate, is provided with two opposite rotating shaft sleeves, and a connecting shaft is arranged in each rotating shaft sleeve, A T-shaped handle is welded at the middle section of the connecting shaft, a bottom plate between the lower edges of the medium flow baffle plate and the cut-off plate is provided with a flowing hole, the cut-off device is arranged in the sampling tube, the lower surface of the bottom plate of the cut-off device is pressed on the lower slope surface of the sampling tube, both side edges of the bottom plate, the cut-off plate and the medium flow baffle plate can be simultaneously contacted with the side wall of the sampling tube, the T-shaped handle is pushed inwards the main tube until the flowing hole is communicated with the flowing tube, the cut-off plate is upwards extended into the main tube, the T-shaped handle is pulled outwards, the cut-off plate can be retracted into the sampling tube, and the upper edge of the cut-off plate can be supported on the upper slope surface of the sampling tube.

2. The dense medium suspension pipeline sampling device according to claim 1, wherein: the upper end and the lower end of the main pipe are respectively provided with a flange plate, the main pipe at the other side of the sampling pipe is also provided with a horizontal pipe orifice, the horizontal pipe orifice is also provided with a flange plate, and the main pipe and the horizontal pipe orifice form a three-way structure.