CN215877803U

CN215877803U - Ore dressing lime emulsification and automatic loading and unloading device

Info

Publication number: CN215877803U
Application number: CN202022802136.8U
Authority: CN
Inventors: 李博; 关强兵; 张玺; 王勉; 史新; 李晶; 刘水
Original assignee: Genhe Senxin Mining Development Co ltd; XI'AN JIEDA CONTROL Ltd
Current assignee: Genhe Senxin Mining Development Co ltd; XI'AN JIEDA CONTROL Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2022-02-22
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a mineral separation lime emulsifying and automatic loading and unloading device which comprises a lime storage tank A and a lime storage tank B, wherein a lime feeding port A and an exhaust port A are arranged on two sides of the lime storage tank A close to the bottom, a lime feeding port B and an exhaust port B are arranged on two sides of the lime storage tank B close to the bottom, a stirring tank is arranged between the lime storage tank A and the lime storage tank B, a water inlet is arranged on the upper part of the stirring tank, a drain valve is arranged on the bottom of the stirring tank, a spiral conveyor A is arranged between the stirring tank and the lime storage tank A, a spiral conveyor B is arranged between the lime storage tank B and the stirring tank, and the stirring tank is also communicated with a buffer tank. The utility model solves the problems of low automation degree and complex operation of the mineral processing lime feeding process in the prior art.

Description

Ore dressing lime emulsification and automatic loading and unloading device

Technical Field

The utility model belongs to the technical field of mine automation professional equipment, and particularly relates to a mineral separation lime emulsifying and automatic loading and unloading device.

Background

In the current mine production process, the lime consumption is very big, and bag formula packing product is purchased to former production technology, and the automobile transportation is stored to the lime storehouse, and manual and fork truck forklift cooperation is torn the bag at the platform, is transferred to the batching jar by the conveyer belt and is prepared, through the concentration and the liquid level of the mixed emulsion of artifical observation lime and water, manual regulation charge-in and inflow. Lime feeding needs to be carried back and forth from lime purchasing to preparation production, and a large amount of manual work and auxiliary mechanical operations such as forklift trucks are needed. The problems of frequent purchase, large carrying workload and the like are caused because the using amount of lime is large in the ore dressing process, the storage space of a lime storehouse is limited, and if workers do not watch the liquid level and the concentration in the configuration tank in time, the problems of lime emulsion overflow or inaccurate proportioning are likely to occur, the production is affected, the original equipment is old, the automation degree is not high, every other controller needs to be manually started one by one, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mineral processing lime emulsifying and automatic loading and unloading device, which solves the problems of low automation degree and complex operation of a mineral processing lime loading process in the prior art.

The technical scheme includes that the mineral separation lime emulsifying and automatic loading and unloading device comprises a lime storage tank A and a lime storage tank B, a lime feeding port A and an exhaust port A are arranged on two sides, close to the bottom, of the lime storage tank A, a lime feeding port B and an exhaust port B are arranged on two sides, close to the bottom, of the lime storage tank B, a stirring tank is arranged between the lime storage tank A and the lime storage tank B, a water inlet is arranged at the upper portion of the stirring tank, a drain valve is arranged at the bottom of the stirring tank, a spiral conveyor A is arranged between the stirring tank and the lime storage tank A, a spiral conveyor B is arranged between the lime storage tank B and the stirring tank, and the stirring tank is further communicated with a buffer tank.

The present invention is also characterized in that,

a radar level gauge A is arranged at the top of the lime storage tank A, and a knife gate valve A and an audible and visual alarm A are arranged at the bottom of the lime storage tank A.

And a radar level gauge B is arranged at the top of the lime storage tank B, and a knife gate valve B and a sound-light alarm B are arranged at the bottom of the lime storage tank B.

The stirring tank top is for advancing the powder hopper, advances the powder hopper and passes through the conveyer pipe intercommunication with screw conveyer A and screw conveyer B's top, advances powder hopper and stirring tank jar body intercommunication position department and passes through the pipe connection the water inlet is provided with flowmeter A and the motorised valve of intaking on advancing the pipeline between powder hopper and the water inlet.

The top of the stirring tank is also provided with a stirrer.

The inside two storehouses of controlling that divide into of buffer tank, two storehouse tops are provided with major axis submerged pump A and major axis submerged pump B respectively, and major axis submerged pump A and major axis submerged pump B's connecting pipe extends to the bottom in the storehouse, and the pipeline mouth that major axis submerged pump A is located the bottom in the storehouse is provided with grout outlet A, and the pipeline mouth that major axis submerged pump B is located the bottom in the storehouse is provided with grout outlet B.

And a flow meter B is arranged on a pipeline between the long-shaft submerged pump A and the grout outlet A, and a flow meter C is arranged on a pipeline between the long-shaft submerged pump B and the grout outlet B.

A concentration meter is arranged at a feed inlet at the communication position of the buffer tank and the stirring tank.

An ultrasonic liquid level meter is also arranged on the buffer tank.

The mineral processing lime emulsifying and automatic loading and unloading device has the advantages that the cost for carrying bagged lime by personnel is saved through the two lime storage tanks, the actual material level is judged through the radar level meter for standby use, and the production is switched to continuously run; the size of the amount of the fed white ash is adjusted in real time according to the fed concentration value, so that the concentration of the white ash is kept within a set range, and the accuracy of manual watching and adjusting is improved; the programmable logic controller PLC controls the opening of the water inlet electric valve through closed-loop control logic operation according to the fed back level value, so that the liquid level of the buffer tank is kept in a set range, and the overflow problem caused by human negligence is prevented.

Drawings

FIG. 1 is a schematic view of a lime feeding structure of a mineral separation lime emulsifying and automatic feeding and discharging device;

FIG. 2 is a schematic view of a stirring and discharging structure of the mineral separation lime emulsifying and automatic feeding and discharging device;

FIG. 3 is a flow chart of one-key automatic starting of the mineral separation lime emulsifying and automatic loading and unloading device;

fig. 4 is a flow chart of one-key automatic stop of the mineral separation lime emulsifying and automatic loading and unloading device.

In the figure 1, radar material level meters A, 2, a lime storage tank A, 3, a lime feeding port A, 4, an audible and visual alarm A, 5, a knife gate valve A, 6, an exhaust port A, 7, a screw conveyor A, 8, a radar material level meter B, 9, a lime storage tank B, 10, a lime feeding port B, 11, an audible and visual alarm B, 12, a knife gate valve B, 13, an exhaust port B, 14, a screw conveyor B, 15, a powder feeding hopper, 16, a flowmeter A, 17, a water inlet electric valve, 18, a water inlet, 19, a sewage discharge valve, 20, a stirring tank, 21, a stirrer, 22, a density meter, 23, a long-shaft submerged pump A, 24, a flowmeter B, 25, a slurry outlet A, 26, a long-shaft submerged pump B, 27, a flowmeter C, 28, a slurry outlet B, 29, an ultrasonic liquid level meter and 30, a buffer tank.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The utility model relates to a mineral separation lime emulsifying and automatic loading and unloading device, which is structurally shown in figures 1-2 and comprises a lime storage tank A2 and a lime storage tank B9, wherein a lime feeding port A3 and an exhaust port A6 are arranged on two sides of the lime storage tank A2 close to the bottom, a lime feeding port B10 and an exhaust port B13 are arranged on two sides of the lime storage tank B9 close to the bottom, a stirring tank 20 is arranged between the lime storage tank A2 and the lime storage tank B9, a water inlet 18 is arranged on the upper portion of the stirring tank 20, a blow-off valve 19 is arranged on the bottom of the stirring tank 20, a spiral conveyor A7 is arranged between the stirring tank 20 and the lime storage tank A2, a spiral conveyor B14 is arranged between the lime storage tank B9 and the stirring tank 20, and the stirring tank 20 is further communicated with a buffer tank 30.

The top of the lime storage tank A2 is provided with a radar level gauge A1, and the bottom of the lime storage tank A2 is provided with a knife gate valve A5 and a sound-light alarm A4.

The top of the lime storage tank B9 is provided with a radar level gauge B8, and the bottom of the lime storage tank B9 is provided with a knife gate valve B12 and a sound-light alarm B11.

The top of the stirring tank 20 is provided with a powder feeding hopper 15, the powder feeding hopper 15 is communicated with the tops of a screw conveyor A7 and a screw conveyor B14 through conveying pipes, the position where the powder feeding hopper 15 is communicated with the tank body of the stirring tank 20 is connected with the water inlet 18 through a pipeline, and a flow meter A16 and a water inlet electric valve 17 are arranged on the pipeline between the powder feeding hopper 15 and the water inlet 18.

The top of the stirring tank 20 is also provided with a stirrer 21.

The buffer tank 30 is internally divided into a left bin and a right bin, the tops of the two bins are respectively provided with a long-axis submerged pump A23 and a long-axis submerged pump B26, a connecting pipeline of the long-axis submerged pump A23 and the long-axis submerged pump B26 extends to the bottom in the bin, a pipeline port of the long-axis submerged pump A23, which is positioned at the bottom in the bin, is provided with a grout outlet A25, and a pipeline port of the long-axis submerged pump B26, which is positioned at the bottom in the bin, is provided with a grout outlet B28.

A flow meter B24 is arranged on a pipeline between the long-shaft submerged pump A23 and the grout outlet A25, and a flow meter C27 is arranged on a pipeline between the long-shaft submerged pump B26 and the grout outlet B28.

A concentration meter 22 is installed at the feed inlet of the position where the buffer tank 30 is communicated with the stirring tank 20.

The buffer tank 30 is also provided with an ultrasonic liquid level meter 29.

All the electrical components are electrically connected with the Programmable Logic Controller (PLC).

The utility model relates to a mineral separation lime emulsifying and automatic loading and unloading device, which has the working principle as follows:

the method comprises the steps that the actual material level of a white ash storage tank A2 detected by a topping radar material level meter A1 is compared with the set upper and lower material level limits, when the actual material level is smaller than the lower material level limit, an audible and visual alarm A4 gives an alarm to prompt material shortage, white ash is fed into the white ash storage tank A2 from a white ash feeding port A3 through an external conveying vehicle, when the actual material level is larger than the lower material level limit, an audible and visual alarm A4 gives an alarm to automatically turn off, when the actual material level is larger than the upper material level limit, an audible and visual alarm A4 gives an alarm to prompt that the material beating is completed, when the actual material level of the white ash storage tank A2 is larger than the lower material level limit, a white ash storage tank A2 is set by a system to allow a discharging signal, and when the actual material level of the white ash storage tank A2 is smaller than the lower material level limit, the white ash storage tank A2 is cleared to allow the discharging signal; in an automatic mode, when the programmable logic controller PLC detects that the lime storage tank A2 allows a discharging signal, the control output opens the knife gate valve A5, the screw conveyor A7 is opened, and lime is fed into the stirring tank 20 through the powder feeding hopper 15; the control logic of the lime storage tank B9 is the same as that of the lime storage tank A2, and the description is omitted; two lime storage tanks were used one after the other, so lime storage tank a2 allowed the discharge signal and lime storage tank B9 allowed the discharge signal to interlock.

The programmable logic controller PLC receives the data measured by the ultrasonic liquid level meter 29 in real time and controls the opening of the water inlet electric valve 17 to keep the liquid level of the buffer tank 30 within a set range; the programmable logic controller PLC receives the data measured by the concentration meter 22 in real time, controls the rotating speed of the screw conveyor to adjust the amount of the fed white ash, and keeps the concentration value of the buffer tank 30 within a set range.

When the system has no alarm, after an automatic start button is pressed, the system is in an automatic mode, and enters a one-key automatic start process, as shown in fig. 3, a Programmable Logic Controller (PLC) controls a contactor to start a stirrer 21, whether materials exist in a lime storage tank A2 and a lime storage tank B9 is detected after time delay is set, when a discharging signal of a lime storage tank A2 is detected, a knife gate valve A5 and a screw conveyor A7 are opened, and when a discharging signal of a lime storage tank B9 is detected, a knife gate valve B12 and a screw conveyor B14 are opened, and then an electric valve 17 for water inlet, a long-axis submerged pump A23 and a long-axis submerged pump B26 are opened.

The starting and stopping of the long-shaft submerged pump are controlled by the liquid level of the buffer tank 30, when the actual liquid level value is larger than the middle liquid level set value, the long-shaft submerged pump is started, and when the actual liquid level value is smaller than the low liquid level set value, the long-shaft submerged pump is stopped.

When the actual liquid level value is greater than the high liquid level set value, the water inlet electric valve is closed, the screw conveyor is closed, and the alarm prompt is given to prevent overflow.

After the automatic stop button is pressed, the system is in a stop mode, and enters a one-key automatic stop process, as shown in fig. 4, the Programmable Logic Controller (PLC) controls to close the knife gate valve, the screw conveyor is stopped after the time delay is set, the water inlet electric valve is closed, and the stirrer and the long shaft underarm pump are closed after the time delay is set.

And the Programmable Logic Controller (PLC) detects the current value and the voltage value of the knife gate valve, the screw conveyer, the stirrer and the long-axis submerged pump through the current detection module and the voltage detection module, compares the current value and the voltage value with the set upper limit and lower limit, and if the current value and the voltage value exceed the set upper limit and lower limit range, the system gives an alarm, the corresponding knife gate valve, the screw conveyer, the stirrer and the long-axis submerged pump are immediately stopped, and the equipment enters a one-key automatic stop process.

The utility model relates to a mineral processing lime emulsifying and automatic loading and unloading device, which solves the following problems:

(1) the lime storage cost is saved;

(2) the overflow of the lime emulsion is prevented, and the concentration control of the lime emulsion is more accurate;

(3) higher degree of automation has alleviateed artifical work load and human cost to the maximize to and the equipment overload overcurrent protection has prevented that equipment is impaired.

The mineral separation lime emulsifying and automatic loading and unloading device can be additionally provided with a display, the display can be an HMI (human machine interface) display, the HMI display can set all equipment parameters, and the running condition of the equipment can be checked. The equipment is flexible to install and convenient to use. The automation and the intellectualization are realized, and the operation intensity and the labor cost are greatly reduced.

Claims

1. The utility model provides a mineral processing lime emulsification and automatic unloader that goes up, a serial communication port, including lime holding vessel A (2) and lime holding vessel B (9), lime holding vessel A (2) are close to the bottom both sides and are provided with lime feed opening A (3) and gas vent A (6), lime holding vessel B (9) are close to the bottom both sides and are provided with lime feed opening B (10) and gas vent B (13), be provided with agitator tank (20) between lime holding vessel A (2) and lime holding vessel B (9), agitator tank (20) upper portion is provided with water inlet (18), agitator tank (20) bottom is provided with blowoff valve (19), be provided with screw conveyer A (7) between agitator tank (20) and lime holding vessel A (2), be provided with screw conveyer B (14) between lime holding vessel B (9) and agitator tank (20), agitator tank (20) still communicate with buffer tank (30).

2. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 1, wherein a radar level gauge A (1) is arranged at the top of the lime storage tank A (2), a knife gate valve A (5) and an audible and visual alarm A (4) are arranged at the bottom of the lime storage tank A (2), and the radar level gauge A (1), the knife gate valve A (5) and the audible and visual alarm A (4) are all connected with a Programmable Logic Controller (PLC).

3. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 1, wherein a radar level indicator B (8) is arranged at the top of the lime storage tank B (9), a knife gate valve B (12) and an audible and visual alarm B (11) are arranged at the bottom of the lime storage tank B (9), and the radar level indicator B (8), the knife gate valve B (12) and the audible and visual alarm B (11) are connected with a Programmable Logic Controller (PLC).

4. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 1, wherein a powder feeding hopper (15) is arranged at the top of the stirring tank (20), the powder feeding hopper (15) is communicated with the tops of the screw conveyor A (7) and the screw conveyor B (14) through a conveying pipe, the position where the powder feeding hopper (15) is communicated with the tank body of the stirring tank (20) is connected with the water inlet (18) through a pipeline, a flow meter A (16) and an electric water inlet valve (17) are arranged on the pipeline between the powder feeding hopper (15) and the water inlet (18), and the flow meter A (16) and the electric water inlet valve (17) are connected with a Programmable Logic Controller (PLC).

5. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 1, wherein a stirrer (21) is further arranged at the top of the stirring tank (20), and the stirrer (21) is connected with a Programmable Logic Controller (PLC).

6. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 1, wherein the interior of the buffer tank (30) is divided into a left bin and a right bin, the tops of the two bins are respectively provided with a long-axis submerged pump A (23) and a long-axis submerged pump B (26), a connecting pipeline of the long-axis submerged pump A (23) and the long-axis submerged pump B (26) extends to the bottom in the bins, a slurry outlet A (25) is formed in a pipeline opening of the long-axis submerged pump A (23) located at the bottom in the bins, a slurry outlet B (28) is formed in a pipeline opening of the long-axis submerged pump B (26) located at the bottom in the bins, and the long-axis submerged pump A (23) and the long-axis submerged pump B (26) are both connected with a Programmable Logic Controller (PLC).

7. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 6, wherein a flow meter B (24) is arranged on a pipeline between the long-axis submerged pump A (23) and the slurry outlet A (25), a flow meter C (27) is arranged on a pipeline between the long-axis submerged pump B (26) and the slurry outlet B (28), and both the flow meter B (24) and the flow meter C (27) are connected with a Programmable Logic Controller (PLC).

8. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 6, wherein a concentration meter (22) is installed at a feed inlet at a communication position of the buffer tank (30) and the stirring tank (20), and the concentration meter (22) is connected with a Programmable Logic Controller (PLC).

9. The mineral processing lime emulsifying and automatic loading and unloading device according to claim 6, wherein the buffer tank (30) is further provided with an ultrasonic level meter (29), and the ultrasonic level meter (29) is connected with a Programmable Logic Controller (PLC).