CN211993528U

CN211993528U - Automatic regulation and control device of ore pulp concentration

Info

Publication number: CN211993528U
Application number: CN202020509353.5U
Authority: CN
Inventors: 薛新忠; 郭鹏; 苗良一
Original assignee: Luanchuan Niuxinduo Mining Co ltd
Current assignee: Luanchuan Niuxinduo Mining Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-24
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an automatic regulation and control device of ore pulp concentration relates to the technical field of ore dressing, has solved the technical problem that artifical sampling detection efficiency is low. The automatic slurry mixing device comprises a first electric valve, a storage tank, a weighing device and a PLC (programmable logic controller), wherein the first electric valve is electrically connected with the PLC; the storage tank is arranged on the weighing device, a liquid level sensor is arranged on the storage tank, and the weighing device and the liquid level sensor are electrically connected with the PLC; the bottom of the material storage tank is provided with a drainage assembly which is electrically connected with the PLC; the water inlet pipe is communicated with the storage tank through the cleaning assembly. The utility model discloses rational in infrastructure, can be automatic detect and regulate and control ore pulp concentration to have the self-cleaning function, not only improved detection efficiency, still avoided remaining ore pulp to the influence that next time detects.

Description

Automatic regulation and control device of ore pulp concentration

Technical Field

The utility model relates to a mineral processing, more specifically say, it relates to an automatic regulation and control device of ore pulp concentration.

Background

The ore pulp is prepared by adding raw materials in solid forms such as ores, ore soils and the like into water and other auxiliary agent materials to form a liquid mixture in the production of the ore enterprises for extracting target elements. During pulping, certain requirements are imposed on the concentration of ore pulp, particularly, flotation method mineral separation is adopted, and the flotation effect is influenced by overhigh or overlow concentration of the ore pulp. Therefore, the pulp concentration needs to be monitored during pulping. The existing monitoring method adopts a manual sampling assay method, the ore pulp is taken out from a mixing tank at variable time and is detected, and if the concentration of the ore pulp is too high, a water supply pipe is opened to add water for dilution so as to meet the concentration requirement. However, the method has long detection time, cannot feed back the concentration of the ore pulp in time, and brings great labor intensity to operators in a manual sampling mode, so that the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to prior art, provides an automatic regulation and control device of ore pulp concentration, and automatic detects the regulation and control to ore pulp concentration, has improved detection efficiency.

The technical scheme of the utility model lies in: an automatic pulp concentration regulating device comprises a first electric valve, a storage tank, a weighing device and a PLC (programmable logic controller), wherein the first electric valve is installed on a water inlet pipe, the storage tank is electrically connected with the PLC, the storage tank is communicated with a mixing tank through a pulp guide pipe, a second electric valve is arranged on the pulp guide pipe, the second electric valve is electrically connected with the PLC, and a filtering component is arranged at a connecting port of the pulp guide pipe and the mixing tank; the storage tank is arranged on the weighing device, a liquid level sensor is arranged on the storage tank, and the weighing device and the liquid level sensor are electrically connected with the PLC; a drainage assembly is arranged at the bottom of the material storage tank; the water inlet pipe is communicated with the storage tank through the cleaning assembly.

The cleaning assembly comprises a water conduit and a third electric valve, one end of the water conduit is installed on the water inlet pipe, the other end of the water conduit extends to the upper portion of the storage tank, the third electric valve is installed on the water conduit, and the end portion of the water conduit is provided with a shower nozzle.

And a lifting assembly for lifting the deluge nozzle is arranged on the water conduit between the third electric valve and the deluge nozzle.

The lifting assembly comprises a flexible hose and a screw motor, one end of the flexible hose is connected with the water conduit, and the other end of the flexible hose is connected with the deluge nozzle; the lead screw motor is installed on the water diversion pipe, and the lead screw end of the lead screw motor is installed on the shower nozzle.

The inner bottom surface of the storage tank is provided with an inner slope inclining to one side, and the drainage assembly is installed on the side wall of the storage tank corresponding to the deepest point of the storage tank.

The storage tank is a transparent tank body.

The filter component comprises a filter screen, and the filter screen is arranged at a connecting port where the slurry guide pipe is communicated with the mixing tank.

Advantageous effects

The utility model has the advantages that:

1. the mixing tank is communicated with the storage tank through the slurry guiding pipe, the storage tank is arranged on the weigher, when the ore pulp flows into the storage tank from the slurry guiding pipe, the weigher finishes weighing the ore pulp, and if the weighed ore pulp weight is consistent with the ore pulp weight with the specified concentration, the ore pulp concentration in the mixing tank reaches the standard; if the concentration is greater than the specified concentration, the first electric valve is opened to add water for dilution, so that the automatic regulation and control of the ore pulp concentration are realized, the detection time is greatly reduced, the labor intensity of operators is reduced, and the working efficiency is improved. After detecting, wash the storage tank through wasing the subassembly, avoided because of the ore pulp adheres to on the storage tank and to the problem that next detection caused the influence.

2. The rain spray nozzle is communicated with the water diversion pipe through the telescopic hose, and the rain spray nozzle is installed at the end of the screw rod motor, so that the rain spray nozzle can move up and down when spraying water, the inner wall of the storage tank is comprehensively cleaned, the problem that the firmly adhered ore pulp is difficult to clear is avoided, and the next sampling detection is facilitated.

3. Transparent storage tank is convenient for operating personnel and observes the condition in the storage tank, is favorable to improving the reliability that detects.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the electrical connection of the present invention.

Wherein: 1-water inlet pipe, 2-first electric valve, 3-material storage tank, 4-weigher, 5-mixing tank, 6-slurry guide pipe, 7-second electric valve, 8-liquid level sensor, 9-water guide pipe, 10-third electric valve, 11-deluge nozzle, 12-flexible hose, 13-screw motor, 14-inner slope, 15-water discharge pipe and 16-fourth electric valve.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention, but are intended to be covered by the appended claims in any way.

Referring to fig. 1-2, the utility model discloses an automatic regulation and control device of ore pulp concentration, including installing first motorised valve 2 and storage tank 3, weighing machine 4, the PLC controller on inlet tube 1. The first electrically operated valve 2 is electrically connected to the PLC controller. The mixing tank 5 is communicated with the storage tank 3 through a pulp guide pipe 6 and is used for sampling ore pulp and placing a sample in the storage tank 3. Specifically, the slurry guide pipe 6 is installed on the side wall of the mixing tank 5, and is close to the bottom thereof. The discharge gate of leading thick liquid pipe 6 is located the top of the 3 pan feeding mouths of storage tank, but leads thick liquid pipe 6 and storage tank 3 contactless to avoid leading thick liquid pipe 6 to follow-up can cause the influence to the detection of ore pulp. The slurry guide pipe 6 is provided with a second electric valve 7, and the second electric valve 7 is electrically connected with the PLC. During the sample, start second motorised valve 7 to make the automatic inflow of ore pulp to storage tank 3 in, realized the automatic sampling to ore pulp.

And a connecting port of the slurry guide pipe 6 and the mixing tank 5 is provided with a filtering component for filtering out undissolved mineral materials in the slurry and avoiding the influence of the undissolved mineral materials on a detection result. Preferably, the filter assembly comprises a filter screen. The filter screen is arranged at the connecting port where the pulp guide pipe 6 is communicated with the mixing tank 5, so that undissolved mineral materials in the ore pulp are filtered.

The storage tank 3 is arranged on the weigher 4 and used for detecting the weight of ore pulp in the storage tank 3. The weight of the pulp per unit volume varies with the pulp concentration. The automatic regulation and control device realizes the detection of ore pulp by a weighing method according to the characteristic. In order to ensure that the amount of the slurry entering the storage tank 3 is consistent every time, the storage tank 3 of the embodiment is provided with a liquid level sensor 8. Through the detection of liquid level in the liquid level sensor 8 to the storage tank 3, the sampling volume of having realized at every turn is all unanimous. The weighing device 4 and the liquid level sensor 8 are electrically connected with the PLC. When level sensor 8 detected the liquid level in the storage tank 3 and reached and set for the liquid level, level sensor 8 feedbacks a signal to the PLC controller, makes the PLC controller close second motorised valve 7 to stop the sample to the ore pulp. The weigher 4 feeds back the weight of the ore pulp in the storage tank 3 to the PLC, and if the weighed ore pulp weight is consistent with the ore pulp with the specified concentration, the ore pulp concentration in the mixing tank 5 reaches the standard; if the concentration is greater than the specified concentration, the PLC opens the first electric valve 2 to dilute by adding water, so that the automatic regulation and control of the ore pulp concentration are realized, and the working efficiency is improved.

The bottom of storage tank 3 of this embodiment is equipped with drainage assembly for the ore pulp after the discharge detects need not to take off storage tank 3, avoids the trouble that the manual work was clear away, great improvement work efficiency. Specifically, the drain assembly includes a drain pipe 15 and a fourth electrically operated valve 16. The drain pipe 15 is arranged on the side wall of the storage tank 3 and is close to the bottom of the storage tank 3; the fourth electric valve 16 is installed on the drain pipe 15 and is close to the connection between the drain pipe 15 and the material storage tank 3. After the detection of the ore pulp is completed, the fourth electric valve 16 is opened, and the ore pulp is automatically discharged through the water discharge pipe 15, so that the step of manual operation is avoided.

Preferably, the fourth electrically operated valve 16 is electrically connected to the PLC controller. After detecting the completion, the PLC controller opens fourth motorised valve 16, has realized the ore pulp in the automatic discharge storage tank 3, has improved this automatic degree of automation of regulating and controlling the device.

The inlet tube 1 is communicated with the storage tank 3 through a cleaning assembly and is used for cleaning the storage tank 3. After storage tank 3 detects the ore pulp, because the ore pulp has the consistency, consequently, have more ore pulp to glue on storage tank 3 after storage tank 3 evacuation. If not clearing up it, these ore pulps that glue on storage tank 3 cause the influence to next measuring easily, lead to the not enough problem of detection accuracy. Consequently, this embodiment washs storage tank 3 through wasing the subassembly, has solved the ore pulp that glues on storage tank 3 on the one hand and has influenced the problem that the accuracy is detected next time, and on the other hand has also avoided the manual cleaning to bring intensity of labour's problem for operating personnel, further improvement work efficiency.

The cleaning assembly of this embodiment includes leading water pipe 9 and third motorised valve 10, and the one end of leading water pipe 9 is installed on inlet tube 1, and the other end of leading water pipe 9 extends to the top of storage tank 3, and third motorised valve 10 is installed on leading water pipe 9, and the tip of leading water pipe 9 is equipped with drenches shower nozzle 11. When cleaning storage tank 3, open third motorised valve 10, make the water in inlet tube 1 flow to drenching shower nozzle 11 through leading water pipe 9, through the spraying effect of drenching shower nozzle 11, make wash water spray to the inner wall of storage tank 3 to the realization is to the washing of storage tank 3.

Preferably, the third electrically operated valve 10 is electrically connected to a PLC controller. After the ore pulp in the storage tank 3 is released, open the third motorised valve 10 through the PLC controller to this automatic regulating apparatus's of further improvement degree of automation.

Preferably, a lifting component for lifting the shower head 11 is arranged on the water conduit 9 between the third electric valve 10 and the shower head 11. The material storage tank 3 is cleaned through the fixed-position shower nozzle 11, a water path is easily formed on the inner wall of the material storage tank 3, and thus the part which does not flow through water cannot be cleaned, so that the cleaning effect is poor. This embodiment acts on through lifting unit and drenches shower nozzle 11, and when wasing, lifting unit drives and drenches shower nozzle 11 oscilaltion in storage tank 3, washes storage tank 3's inner wall from top to bottom, the effectual formation of having avoided the water route to more comprehensive washing storage tank 3, the cleaning performance is better.

Specifically, the lifting assembly comprises a telescopic hose 12 and a screw motor 13. One end of the flexible hose 12 is connected with the water conduit 9, and the other end is connected with the deluge nozzle 11; the screw rod motor 13 is arranged on the water conduit 9, the screw rod end of the screw rod motor 13 is arranged on the shower nozzle 11, and the screw rod motor 13 is also electrically connected with the PLC controller. When the material storage tank 3 is cleaned, the PLC starts the screw rod motor 13 to drive the deluge spray head 11 to move up and down, the telescopic hose 12 ensures that water energy for cleaning can be continuously supplied to the moving deluge spray head 11, and the inner wall of the material storage tank 3 can be cleaned up and down.

The inner bottom surface of the storage tank 3 is provided with an inner slope 14 inclining to one side, and the drainage component is arranged on the side wall of the storage tank 3 corresponding to the deepest point of the storage tank 3, so that ore pulp and cleaned water can flow out conveniently, and the phenomenon that the next detection is influenced due to the fact that aggregation is formed at the bottom of the storage tank 3 is avoided. Specifically, the drain pipe 15 is installed on the side wall of the storage tank 3 corresponding to the deepest point of the storage tank 3 and is communicated with the storage tank 3; the fourth electric valve 16 is installed on the drain pipe 15 and is close to the connection between the drain pipe 15 and the material storage tank 3.

Preferably, the storage tank 3 is a transparent tank body, so that an operator can observe the condition in the storage tank 3 conveniently, and if the ore pulp reaches the required amount during detection; whether ore pulp remains in the cleaned storage tank 3. Wherein, the storage tank 3 can be a glass tank body, and also can be a transparent plastic tank body.

The utility model discloses a theory of operation is: when sampling, the second electric valve 7 is started to communicate the slurry guide pipe 6 with the mixing tank 5, and the ore slurry automatically flows into the storage tank 3. When level sensor 8 detected the liquid level in the storage tank 3 and reached the settlement liquid level, level sensor 8 feedbacks a signal to the PLC controller, and the PLC controller closes second motorised valve 7 to stop the continuation inflow of ore pulp. Then, the weigher 4 feeds back the weight of the ore pulp in the storage tank 3 to the PLC, and if the weighed ore pulp weight is consistent with the ore pulp with the specified concentration, the ore pulp concentration in the mixing tank 5 reaches the standard; if the concentration is greater than the specified concentration, the PLC opens the first electric valve 2 to dilute by adding water, and automatic regulation and control of the ore pulp concentration are realized.

After the detection is finished, the fourth electric valve 16 is opened, and the ore pulp in the storage tank 3 automatically flows out through the drain pipe 15. Then the third electric valve 10 is opened, and at the same time, the screw motor 13 is operated, so that the shower head 11 moves up and down while spraying water, and the storage tank 3 is cleaned. After the cleaning is finished, all opened valves are closed for the next detection.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The automatic ore pulp concentration regulating and controlling device is characterized by comprising a first electric valve (2), a storage tank (3), a weighing device (4) and a PLC (programmable logic controller), wherein the first electric valve (2) is installed on a water inlet pipe (1), the storage tank (3) is electrically connected with the PLC, the storage tank is communicated with a mixing tank (5) through a pulp guide pipe (6), a second electric valve (7) is arranged on the pulp guide pipe (6), the second electric valve (7) is electrically connected with the PLC, and a filtering assembly is arranged at a connecting port of the pulp guide pipe (6) and the mixing tank (5); the storage tank (3) is mounted on the weighing device (4), the storage tank (3) is provided with a liquid level sensor (8), and the weighing device (4) and the liquid level sensor (8) are electrically connected with the PLC; a drainage component is arranged at the bottom of the material storage tank (3); the water inlet pipe (1) is communicated with the storage tank (3) through the cleaning assembly.

2. The automatic ore pulp concentration regulating and controlling device according to claim 1, wherein the cleaning assembly comprises a water conduit (9) and a third electric valve (10), one end of the water conduit (9) is installed on the water inlet pipe (1), the other end of the water conduit (9) extends to the upper part of the storage tank (3), the third electric valve (10) is installed on the water conduit (9), and a shower nozzle (11) is arranged at the end part of the water conduit (9).

3. The automatic pulp concentration regulating and controlling device according to claim 2, wherein a lifting assembly for lifting the deluge nozzle (11) is provided on the water conduit (9) between the third electric valve (10) and the deluge nozzle (11).

4. The automatic pulp concentration regulating and controlling device according to claim 3, wherein the lifting assembly comprises a flexible hose (12) and a screw motor (13), one end of the flexible hose (12) is connected with a water conduit (9), and the other end is connected with the deluge nozzle (11); the lead screw motor (13) is arranged on the water conduit (9), and the lead screw end of the lead screw motor (13) is arranged on the shower nozzle (11).

5. The automatic pulp concentration regulating and controlling device according to claim 1, wherein the inner bottom surface of the storage tank (3) is provided with an inner slope (14) inclined to one side, and the drainage assembly is installed on the side wall of the storage tank (3) corresponding to the deepest point of the storage tank (3).

6. The automatic pulp concentration regulating and controlling device according to any one of claims 1-5, characterized in that the storage tank (3) is a transparent tank body.

7. The automatic pulp concentration regulating and controlling device according to claim 1, wherein the filtering assembly comprises a filtering net, and the filtering net is installed at a connecting port of the pulp guide pipe (6) communicated with the mixing tank (5).