CN219551985U

CN219551985U - Slurry sampling weighing and concentration automatic detection device

Info

Publication number: CN219551985U
Application number: CN202320270194.1U
Authority: CN
Inventors: 徐平; 邹爽; 王景; 盖黎晶; 李鹏泽
Original assignee: Shandong Jiekong Electric Technology Co ltd
Current assignee: Shandong Jiekong Electric Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-18
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to the technical field of mine filling equipment, in particular to a slurry sampling weighing and concentration automatic detection device, slurry is injected into a receiving hopper through an external drainage tube, is injected into a weighing kettle along a conveying pipeline, and controls the slurry quantity of the drainage tube according to a flowmeter, and automatically controls the drainage tube to switch. And (3) overflowing redundant slurry from the weighing kettle, obtaining the overall weight of the weighing kettle by using a pressure sensor, removing the dead weight of equipment, obtaining the weight of the slurry, and obtaining the sampling concentration of the slurry by converting a background database according to rho=m/v. After the measurement is completed, the cylinder controls the blockage of the weighing kettle to be opened, slurry flows out, and the inner side and the outer side of the weighing kettle are washed by using the high-pressure spray head, so that mortar hardening is prevented, and the accuracy of the next measured data is affected. The device has mainly saved manual sampling sampler's personnel configuration, and the data acquisition of being convenient for, statistics improves automatic operating efficiency.

Description

Slurry sampling weighing and concentration automatic detection device

Technical Field

The utility model relates to the technical field of mine filling equipment, in particular to a slurry sampling weighing and concentration automatic detecting device.

Background

In the mine filling industry, the concentration of filling mortar is an important index in the whole production link, and is a key parameter for measuring whether the production process meets the production requirement.

At present, an electronic concentration detection instrument is generally used in the mine industry, and the filling concentration is confirmed in a mode of matching with manual rechecking and spot inspection. The manual spot check is mainly used for calibrating detection data of the electronic concentration meter, so that filling accidents caused by equipment faults are avoided.

Usually, a sampler adopts a sampling barrel to sample in a stirring barrel or a filling slurry feeding well bin, then the sampling barrel is poured into a quantitative weighing kettle, an electronic scale is used for weighing, and the sampling concentration corresponding to the relevant weight is read according to a data comparison table. And then comparing the data with the data of the electronic concentration meter, and considering that the filling concentration is not abnormal in an error range.

The frequency of manual calibration spot check is generally once per hour, special spot check personnel are required to be configured, human influence factors are large, and the automatic popularization is not facilitated, and meanwhile, the operation cost of enterprises is increased.

Therefore, the applicant designs a slurry sampling weighing and concentration automatic detection device to solve the above problems.

Disclosure of Invention

The utility model provides a slurry sampling weighing and concentration automatic detecting device for overcoming the defects in the prior art.

The utility model is realized by the following technical scheme:

a slurry sampling weighing and concentration automatic detecting device injects slurry into a receiving hopper through an external drainage tube, and then injects the slurry into a weighing kettle along a conveying pipeline, and controls the slurry amount of the drainage tube according to a flowmeter, and automatically controls the drainage tube to switch. And (3) overflowing redundant slurry from the weighing kettle, obtaining the overall weight of the weighing kettle by using a pressure sensor, removing the dead weight of equipment, obtaining the weight of the slurry, and obtaining the sampling concentration of the slurry by converting a background database according to rho=m/v. After the measurement is completed, the cylinder controls the blockage of the weighing kettle to be opened, slurry flows out, and the inner side and the outer side of the weighing kettle are washed by using the high-pressure spray head, so that mortar hardening is prevented, and the accuracy of the next measured data is affected. The device has mainly saved manual sampling sampler's personnel configuration, and the data acquisition of being convenient for, statistics improves automatic operating efficiency.

The receiving hopper is fixed on the outer side of the shell fixing seat of the device, and the wide-mouth receiving hopper is convenient for receiving the slurry;

a flushing nozzle is arranged above the receiving hopper along the horizontal tangential direction of the receiving hopper, and residual slurry in the pipeline is flushed after weighing is completed, so that hardening is prevented;

the weighing device comprises a weighing kettle, a rubber plug, an air cylinder and a pressure sensor, and is arranged on a shell fixing seat of the equipment through the pressure sensor;

the overflow hopper is arranged below the weighing device, is designed in a funnel shape with a wide upper part and a narrow lower part, and is convenient for collecting overflowed slurry and flushing water;

the bottom of the overflow hopper is provided with a pipeline joint, overflowed slurry and flushing water are collected into the transfer barrel, the field has a discharge condition, and the overflow hopper can be connected to be introduced into a trench for discharge.

Further, a high-pressure water spray nozzle is arranged on the periphery of the weighing kettle above the overflow hopper and used for flushing the inner side and the outer side of the weighing kettle after weighing;

further, an air cylinder in the weighing device is fixedly arranged on an upper mounting plate integrated with the weighing kettle, and the air cylinder controls the rubber plug to move up and down, so that the weighing kettle is conveniently opened and plugged.

Further, the weighing kettle is provided with an overflow hole, and after the slurry reaches a quantitative volume, redundant slurry flows out through the overflow hole, so that the purpose of quantitative weighing is realized.

The beneficial effects of the utility model are as follows:

according to the utility model, the drainage tube is used for automatic sampling, quantitative weighing and the concentration of sampling slurry is obtained through conversion of a background database conversion table according to rho=m/v. Compared with the traditional sampling mode, the automatic sampling device has the advantages that labor cost is saved, interference of human factors is avoided more importantly, automatic production is facilitated, filling efficiency is improved, and production safety is ensured.

Drawings

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is an isometric view of the present utility model;

fig. 3 is an isometric view of a weighing apparatus of the present utility model.

In the drawing the view of the figure,

1. the device comprises a shell fixing seat, 2, a weighing device, 3, an overflow hopper, 4, a transfer barrel, 5, a high-pressure water spray nozzle, 6, a receiving hopper, 7, a pressure sensor, 201, a mounting bracket, 202, a weighing kettle, 203, a cylinder, 204, a rubber plug, 301, an overflow hopper receiving nozzle, 601 and a pipeline flushing nozzle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Fig. 1-3 show an embodiment of the present utility model, which is an automatic detection device for slurry sampling weighing and concentration, wherein a receiving hopper 6 is installed at the outer side of a housing fixing seat 1, a weighing device 2 is located on a pressure sensor 7 through three mounting brackets 201, the whole device is installed at the inner side of the housing fixing seat 1, and the self weight of the weighing device 2 can be read through the pressure sensor.

The slurry is led into the receiving hopper 6 through an external drainage tube (not shown), and the slurry amount of the drainage tube is controlled according to the flowmeter, so that the opening and closing of the drainage tube are automatically controlled. After the slurry in the weighing kettle 202 reaches the quantitative volume, the redundant slurry overflows from an overflow hole of the weighing kettle 202 and flows into an overflow hopper 3, after the reading of the pressure sensor 7 is stable, the overall weight of the weighing device 2 and the slurry is obtained, the weight of the slurry is obtained after the self weight of equipment is removed, and the concentration of the sampled slurry is converted by a background database according to rho=m/v.

After the concentration data are obtained, the cylinder rod of the control cylinder 203 is pushed out, the rubber plug 204 is opened, the slurry in the weighing kettle 202 flows out, flows into the transfer barrel 4 through the overflow hopper 3 (the field is provided with a discharge condition, and is discharged into a trench through the transfer pipeline of the overflow hopper connecting pipe orifice 301), then a flushing water switch is controlled to be opened, the pipeline is flushed by the pipeline flushing water gap 601 and the high-pressure water spray nozzle 5, the inner wall and the outer wall of the weighing kettle 202 are prevented from being hardened for a long time, and after flushing is completed, the control cylinder 203 closes the rubber plug 204 and is ready for next concentration detection.

Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a thick liquids sample weighing and concentration automatic checkout device, includes shell fixing base (1), its characterized in that:

the automatic weighing device is characterized in that a receiving hopper (6) is fixedly connected to the outer side of the shell fixing seat (1), a weighing device (2) is installed on the inner side of the shell fixing seat (1), an overflow hopper (3) is installed below the weighing device (2), and a transfer barrel (4) is arranged below the overflow hopper (3).

2. The slurry sampling weighing and concentration automatic detection device according to claim 1, wherein:

and a pipeline flushing nozzle (601) is arranged above the receiving hopper (6) along the horizontal tangential direction of the receiving hopper, and residual slurry in the pipeline is flushed after weighing is completed, so that hardening is prevented.

3. The slurry sampling weighing and concentration automatic detection device according to claim 1, wherein:

the weighing device (2) comprises a mounting support (201), the mounting support (201) is connected to the shell fixing seat (1) through a pressure sensor (7), the mounting support (201) is connected with a weighing pot (202), a mounting plate is arranged above the weighing pot (202), an air cylinder (203) is erected on the mounting plate, and a piston rod of the air cylinder (203) is connected to a rubber plug (204) at the bottom of the weighing pot (202).

4. A slurry sampling weighing and concentration automatic detection apparatus according to claim 3, wherein:

and the weighing kettle (202) is provided with an overflow hole.

5. The slurry sampling weighing and concentration automatic detection device according to claim 1, wherein:

the bottom of the overflow hopper (3) is provided with an overflow hopper connecting pipe orifice (301), and a high-pressure water spray nozzle (5) is arranged on the periphery of the weighing kettle (202) above the overflow hopper (3) and used for flushing the inner side and the outer side of the weighing kettle (202) after weighing.