CN212403982U - Hematite inhibitor corn starch preparation system for reverse flotation - Google Patents
Hematite inhibitor corn starch preparation system for reverse flotation Download PDFInfo
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- CN212403982U CN212403982U CN202021585873.0U CN202021585873U CN212403982U CN 212403982 U CN212403982 U CN 212403982U CN 202021585873 U CN202021585873 U CN 202021585873U CN 212403982 U CN212403982 U CN 212403982U
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Abstract
The utility model discloses a hematite inhibitor cornstarch preparation system for reverse flotation, include: feedway and preparation facilities, preparation facilities includes: the device comprises a first preparation unit, a cold water supply device, a second preparation unit and a hot water supply device, wherein the cold water supply device supplies cold water to the first preparation unit, the first preparation unit is also connected with a feeding device, and corn starch and the cold water form a corn starch colloid in the first preparation unit; the hot water supply device supplies hot water to the second preparation unit, the second preparation unit is also connected with the first preparation unit, and the corn starch colloid and the hot water form a corn starch solution in the second preparation unit to be used as a hematite inhibitor for reverse flotation. The utility model discloses a secondary preparation has stopped hot water and corn starch formation in the current preparation technology to have become paste and have agglomerated, has both protected pipeline and conveying equipment not blockked up by the agglomeration adhesion, optimizes the reverse flotation effect again.
Description
Technical Field
The utility model belongs to the technical field of the preparation of ore dressing plant's medicament, specifically, especially, relate to a hematite inhibitor corn starch preparation system for reverse flotation.
Background
Currently, in the flotation operation of hematite or mixed ore containing hematite, when hematite is a target mineral, the hematite product is the underflow of the reverse flotation operation. In order to effectively prevent hematite from being carried into a foam product by flotation foam to cause loss of target minerals, corn starch solution is usually added into ore feeding in the reverse flotation of the hematite, and the corn starch is attached to the surface of the hematite to increase the hydrophilicity of the surface of the hematite, so that the attachment of the hematite and the foam is inhibited, and the corn starch is used as an inhibitor of the hematite in the reverse flotation, so that the effect is very obvious. Most current refineries have a number of deficiencies in preparing corn starch solutions from corn starch. If the bagged corn starch is transported to a medicament preparation workshop by an automobile for piling, the bagged corn starch is manually transported to a corn starch preparation stirring tank, the packaging bag is cut by a knife, and the corn starch is discharged into the stirring tank and stirred and mixed with hot water to prepare the corn starch aqueous solution. The mode can generate a large amount of corn starch dust in the procedures of stacking, carrying, bag breaking and unloading of the corn starch, thereby causing environmental pollution and pneumoconiosis. In addition, the method is adopted, the medicament amount of the stockpiling is usually more than 10 days, the stockpiling floor area is overlarge, and the factory building investment is high. In addition, by adopting the preparation method, the corn starch is directly added into the stirring tank, the corn starch is easy to accumulate into agglomerated paste when meeting hot water, and the prepared corn starch solution is inhomogeneous, contains a lot of suspended matters, has poor quality of finished products and seriously influences the reverse flotation effect of the hematite.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a hematite inhibitor cornstarch preparation system for reverse flotation to easily cause environmental pollution and prepare the not good problem of effect among the solution prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hematite inhibitor cornstarch preparation system for reverse flotation, include: the device comprises a feeding device and a preparation device, wherein the feeding device is used for providing corn starch to the preparation device; the preparation device comprises: the device comprises a first preparation unit, a cold water supply device, a second preparation unit and a hot water supply device, wherein the cold water supply device is connected with the first preparation unit and is used for supplying cold water to the first preparation unit; the hot water supply device is connected with the second preparation unit and supplies hot water to the second preparation unit, the second preparation unit is further connected with the first preparation unit and receives the corn starch colloid prepared by the first preparation unit, and the corn starch colloid and the hot water form a corn starch solution in the second preparation unit and serve as a hematite inhibitor for reverse flotation.
Preferably, the first preparation unit includes: prepare stirred tank, first charge-in pipeline, first row of material pipeline and first pumping installations once, once prepare the stirred tank and be provided with pan feeding mouth and discharge gate, the pan feeding mouth set up in once prepare the upper portion of stirred tank, through first charge-in pipeline with feedway connects, the discharge gate set up in once prepare the lower part of stirred tank, and with first row of material pipe connection, the one end of first row of material pipeline is connected the discharge gate, the other end is connected first pumping installations, through first pumping installations will the corn starch colloid carry extremely second preparation unit.
Preferably, the second preparation unit includes: prepare stirred tank, second charge-in pipeline, second discharge pipeline and second pumping installations for the secondary, wherein, second charge-in pipeline set up in the upper portion of secondary preparation stirred tank, with first preparation unit connection, be provided with spiral steam conduit on the inside cell wall of secondary preparation stirred tank, spiral steam conduit is in the tank deck that secondary preparation stirred tank is provided with steam air inlet and steam exhaust port, the second discharge pipeline set up in the lower part of secondary preparation stirred tank, with second pumping installations connects, second pumping installations is used for carrying the maize starch solution that preparation formed.
Preferably, a temperature detection device is further arranged at the top of the secondary preparation stirring tank.
Preferably, the feeding device comprises a conveying device and a discharging device, wherein the conveying device comprises a storage device, the storage device is used for storing corn starch, and the storage device is provided with a primary air inlet joint and a discharging joint; the discharge device comprises: the first air compressor is connected with the primary air storage tank and used for storing compressed air into the primary air storage tank, the primary air storage tank is connected with the primary air inlet joint, the compressed air in the primary air storage tank enters the storage device through the primary air inlet joint, and the corn starch in the storage device is discharged through the discharge joint.
Preferably, the storage device is further provided with a secondary air inlet joint, and the discharge device further comprises: the secondary air storage tank is connected with the first air compressor and used for storing compressed air, the secondary air storage tank is connected with the secondary air inlet joint, and the compressed air in the secondary air storage tank enters the storage device through the secondary air inlet joint and is discharged from the storage device through the discharge joint; a third feeding pipeline is arranged on one side of the quantitative box and connected with the discharging connector, and a third discharging pipeline is arranged on the other side of the quantitative box and connected with the first preparation unit; and the second air compressor is connected with the quantitative box and used for discharging the corn starch in the quantitative box to the first preparation unit.
Preferably, the volume of the secondary air reservoir is less than the volume of the primary air reservoir.
Preferably, the discharge device further comprises a weight measuring device placed below the dosing tank for measuring the overall weight of the dosing tank.
Preferably, the weight measuring device is a plurality of pressure gauges arranged at the bottom of the quantitative box, and the pressure gauges are connected with a baseboard of the quantitative box through bolts and connected with a supporting beam of the quantitative box.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
the utility model discloses adopt secondary preparation to the cornstarch inhibitor, cold water is adopted in the one-level preparation, forms the homogenization colloid distribution of cornstarch and water, has stopped hot water and cornstarch formation in the current preparation technology and has become the paste agglomeration, has both protected pipeline and conveying equipment not blockked up by the agglomeration adhesion, has also created the condition for secondary preparation formation homogeneity cornstarch solution. The second preparation adopts hot water, hot water and homogeneous colloid to prepare homogeneous corn starch solution. The preparation of the homogeneous solution ensures the homogeneous adsorption of the surfaces of the corn starch and the hematite during the reverse flotation, and optimizes the reverse flotation effect.
The utility model discloses the preparation process is simple, does not need manual operation, practices thrift the cost, can not cause environmental pollution and personnel's injury, and preparation is effectual.
Drawings
FIG. 1 is a block diagram showing the construction of a system for preparing corn starch as a hematite inhibitor for reverse flotation according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of the system for preparing corn starch as a hematite inhibitor for reverse flotation according to the present invention;
fig. 3 is a schematic flow chart of the method for preparing corn starch as a hematite inhibitor for reverse flotation according to the present invention.
Detailed Description
The embodiments of the present invention will be described below with reference to the accompanying drawings. Those of ordinary skill in the art will recognize that the described embodiments can be modified in various different ways, or combinations thereof, without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims. Furthermore, in the present description, the drawings are not to scale and like reference numerals refer to like parts.
Fig. 1 is the utility model discloses a hematite inhibitor cornstarch preparation system's for reverse flotation component block diagram, as shown in fig. 1, hematite inhibitor cornstarch preparation system for reverse flotation, include: a feeding device 100 and a preparation device, wherein the feeding device 100 is used for providing corn starch to the preparation device; the preparation device is used for preparing the hematite inhibitor corn starch.
Wherein the preparation apparatus comprises: the device comprises a first preparation unit 200, a cold water supply device 300, a second preparation unit 400 and a hot water supply device 500, wherein the cold water supply device 300 is connected with the first preparation unit 200 and supplies cold water to the first preparation unit 200, the first preparation unit 200 is also connected with a feeding device 100 and receives corn starch supplied by the feeding device 100, and the corn starch and the cold water form a corn starch colloid in the first preparation unit 200, wherein the corn starch content (mass fraction) in the corn starch colloid is about 20%; thus, the homogenized colloid distribution of the corn starch and the water is formed, and the formation of paste agglomeration of hot water and the corn starch in the traditional preparation process is avoided, namely, pipelines and conveying equipment are protected from being adhered and blocked by the agglomeration, and conditions are created for forming a homogeneous corn starch solution by secondary preparation;
the hot water supply device 500 is connected to the second preparation unit 400 to supply hot water to the second preparation unit 400, the second preparation unit 400 is further connected to the first preparation unit 200 to receive the corn starch colloid prepared by the first preparation unit 200, the corn starch colloid and the hot water form a corn starch solution in the second preparation unit 400, the corn starch solution is used as a hematite inhibitor for reverse flotation, and the hot water and the homogeneous colloid with the concentration of 20% are prepared into a corn starch homogeneous solution with the concentration of 3% to 5%, so that homogeneous adsorption of the surfaces of the corn starch and the hematite during reverse flotation is ensured, and the reverse flotation effect is optimized.
Fig. 2 is a schematic structural diagram of an embodiment of the system for preparing corn starch as a hematite inhibitor for reverse flotation according to the present invention, and as shown in fig. 2, the first preparation unit 200 includes: prepare stirred tank 30, first charge-in pipeline, first row of material pipeline 34 and first pumping plant 35 once, once prepare stirred tank 30 and be provided with pan feeding mouth 31 and discharge gate 48, pan feeding mouth 31 set up in once prepare the upper portion of stirred tank 30, through first charge-in pipeline with feedway 100 is connected, discharge gate 48 set up in once prepare the lower part of stirred tank 30, and with first row of material pipeline 34 is connected, the one end of first row of material pipeline 34 is connected discharge gate 48, the other end is connected first pumping plant 35, through first pumping plant 35 will the corn starch colloid carry extremely second preparation unit 400.
The cold water supply device 300 may be a cold water pipe 47 disposed at an upper portion of the primary preparation agitation tank 30, the cold water pipe 47 is connected to a cold water source, the first electric switch valve 32 and the first flow meter 33 are disposed on the cold water pipe 47, and the cold water source supplies cold water to the primary preparation agitation tank 30 through the cold water pipe 47, wherein the temperature of the cold water is 5-25 ℃. The first flow meter 33 is used to measure the flow of cold water being fed in. The cold water and the corn starch are stirred in the primary preparation stirring tank 30 to prepare and form the corn starch colloid, and the content of the corn starch is 20%.
In one embodiment, the second preparation unit 400 performs stirring using a stirring tank, and the second preparation unit 400 includes: the secondary preparation stirring tank 40, the second feeding pipeline 36, the second discharging pipeline 45 and the second pumping device 46, wherein the second feeding pipeline 36 is arranged at the upper part of the secondary preparation stirring tank 40 and connected with the first preparation unit 200, the inner tank wall of the secondary preparation stirring tank 40 is provided with the spiral steam pipeline 41, the spiral steam pipeline 41 is arranged at the tank top of the secondary preparation stirring tank 40 and provided with a steam inlet 42 and a steam outlet 43, the second discharging pipeline 45 is arranged at the lower part of the secondary preparation stirring tank 40 and connected with the second pumping device 46, and the second pumping device 46 is used for conveying the prepared corn starch solution.
Further, a temperature detection device (e.g., a thermometer 44) is provided on the roof of the secondary preparation agitation tank 40. Adopt the steam conduit heat preservation, the steam conduit equipartition is inboard in the cell body of secondary preparation stirred tank 40, and the thermal efficiency is high, and it is effectual to keep warm. The heat preservation temperature is set to be 60-70 ℃, the separation of the corn starch caused by the reduction of the temperature is avoided, and the quality of the corn starch solution is further ensured.
The secondary preparation of the corn starch is carried out by stirring hot water, the hot water supply device 500 can be a hot water pipeline 37 arranged at the upper part of the secondary preparation stirring tank 40, a second electric switch valve 38 and a second flow meter 39 are arranged on the hot water pipeline 37, and a hot water source supplies hot water to the secondary preparation stirring tank 40 through the hot water pipeline 37, wherein the temperature of the hot water is 90-95 ℃. The second flow meter 39 is used to measure the flow of hot water being fed in. The hot water and the homogenized corn starch colloid with the concentration of 20 percent are stirred in the secondary preparation stirring tank 40 to prepare and form the corn starch solution with the concentration of 3 percent to 5 percent.
In one embodiment, the first pumping device 35 and the second pumping device 46 may be eccentric screw pumps, and the motors controlling the two eccentric screw pumps are variable frequency motors, and the corresponding discharge speed may be controlled by controlling the frequency of the eccentric screw pumps. The eccentric screw pump belongs to a displacement pump, can effectively remove the adhesion of corn starch on equipment, and protects the equipment.
As shown in fig. 2, the feeding device 100 comprises a material conveying device and a material discharging device, wherein the material conveying device comprises a storage device for storing corn starch, and the storage device is provided with a primary air inlet joint 3 and a material discharging joint 5; the discharge device comprises: a first air compressor 9 and a primary air tank 10, wherein the first air compressor 9 is connected with the primary air tank 10 (connected by an air compressor pipeline) and used for storing compressed air into the primary air tank 10, the primary air tank 10 is connected with the primary air inlet joint 3 by a primary air inlet hose 13, a third electric switch valve 15 is arranged on the primary air inlet hose 13, the compressed air in the primary air tank 10 enters the storage device through the primary air inlet joint 3, and the corn starch in the storage device is discharged through a discharge joint 5.
In one embodiment, the storage device is further provided with a secondary air inlet connection 4, the discharge device further comprising: a secondary air tank 11, wherein the secondary air tank 11 is connected with the first air compressor 9 (connected through an air compressor pipeline), compressed air is stored through the first air compressor 9, the secondary air tank 11 is connected with the secondary air inlet joint 4 through a secondary air inlet hose 14, a fourth electric switch valve 16 is arranged on the secondary air inlet hose 14, compressed air in the secondary air tank 11 enters the storage device through the secondary air inlet joint 4, and corn starch in the storage device is discharged through a discharge joint 5; a quantitative box 12, wherein the quantitative box 12 is a square closed box body, one side of the quantitative box 12 is provided with a third feeding pipeline 17 (which may be a hose), the third feeding pipeline 17 is connected with the discharge connector 5, a fifth electric switch valve 18 is arranged on the third feeding pipeline 17, the other side of the quantitative box 12 is provided with a discharge port 28, and the quantitative box is connected with the first preparation unit 200 through a third discharge pipeline 29 (which may be a hose), for example, the first preparation unit is connected with a feeding port 31 of a primary preparation stirring tank 30; and a second air compressor 25 connected to the dosing tank 12 for discharging the corn starch in the dosing tank 12 to the first preparation unit 200. The top of the quantitative box 12 is further provided with an air inlet 23, and is connected with an air outlet 26 of a second air compressor 25 through an air inlet hose 24, the air inlet hose 24 is provided with a sixth electric switch valve 27, and the second air compressor 25 discharges compressed air into the quantitative box 12 through the air inlet hose 24 to drive the corn starch in the quantitative box 12 to be discharged.
Preferably, the volume of the secondary air storage tank 11 is smaller than that of the primary air storage tank 10, the two-stage compressed air discharging is adopted, the primary discharging air quantity is large, a large amount of corn starch solution can be discharged, the secondary discharging air quantity is small, the material storage quantity of the metering tank 12 can be accurately controlled through the secondary small air quantity discharging, and the corn starch feeding is convenient to accurately calculate.
In one embodiment, the primary reservoir 10 has a volume of 80% to 90% of the dosing tank 12 and the secondary reservoir 11 has a volume of 30% to 40% of the dosing tank 12.
The storage device can be a tank truck 1, a corn starch tank 2, preferably a horizontal tank, is arranged on the tank truck 1, a primary air inlet joint 3 and a secondary air inlet joint 4 are arranged at one end, close to a truck head, of the tank body, and a discharge joint 5 is arranged at the tail of the tank body. Preferably, the tank body is provided with a lifting lug 6 for lifting the tank body from the tank car 1 to the corn starch primary preparation feeding platform 8 by a crane 7 so as to feed the first preparation unit 200 and the second preparation unit 400. The corn starch is supplied by the tank car 1, so that the transportation is convenient, and a user does not need to additionally arrange a corn starch storage system, so that the occupied area and the investment of the user are greatly reduced; and the corn starch is fed by adopting a closed tank and a pneumatic pipeline, and the whole powder is fed without raising dust, so that the environment is protected, and the pneumoconiosis is avoided.
It should be noted that the primary preparation feeding platform 8 is a platform for placing a tank body, and the primary preparation stirring tank 30, the secondary preparation stirring tank 40, the dosing tank 12, the primary air storage tank 10, the secondary air storage tank 11, the first air compressor 9, the second air compressor 25 and other components can be placed on the primary preparation feeding platform 8.
In one embodiment, the discharge device further comprises a weight measuring device placed below the dosing bin 12 for measuring the overall weight of the dosing bin 12. The weight of the quantitative box 12 is detected by the weight measuring device, so that the accurate metering of the adding of the corn starch can be realized.
Further, preferably, the weight measuring device is a plurality of pressure gauges 19 provided at the bottom of the quantitative tank 12, and the pressure gauges 19 are connected to the footing plate bolts 20 of the quantitative tank 12 and to the support beam 22 of the quantitative tank 12 by bolts 21. The weight of the feeding quantitative box 12 is accurately calculated through the pressure gauge 19, the metering is accurate, and the defect that the existing level gauge cannot accurately meter in the box body due to dust raising can be avoided.
Of course, the present invention is not limited to the measurement method using the pressure gauge, and other weight measurement methods may be used.
It should be noted that, the utility model discloses in, electric valve and pressure gauge 19's on each coupling hose signal, the air pressure gauge open stop the signal, eccentric screw pump's variable frequency signal all is connected with the control box to by control room manual operation, make the utility model discloses an degree of automation is high, need not set up on-the-spot post worker, under the prerequisite of having stopped on-the-spot occupational disease, has reduced the cost of labor.
The utility model provides a corn starch jar body adopts two-stage compressed air to arrange the material, and elementary row's material tolerance is big, can store full quantitative case 80% -90% volume, arranges the material storage volume that combines the measurement of pressure gauge 19 to come accurate control quantitative case 12 through secondary little gas volume, has realized the accurate measurement that corn starch throws and has thrown.
The utility model provides a ration case 12 adopts compressed air to arrange the material in batches, and the discharge capacity is thoroughly rapidly, is favorable to saving the time that the single was arranged the material to realize throwing the material operation fast many times.
Fig. 3 is a schematic flow chart of a method for preparing a hematite inhibitor corn starch for reverse flotation, and as shown in fig. 3, the method for preparing the hematite inhibitor corn starch for reverse flotation comprises the following steps:
step S1, delivering corn starch to the first preparation unit 200 through the feeding device 100;
step S2, supplying a set amount of cold water to the first preparation unit 200 through the cold water supply device 300, and mixing the cold water and the corn starch in the first preparation unit 200 to form a corn starch colloid;
step S3, the corn starch colloid is transferred to a second preparation unit 400, a set amount of hot water is supplied to the second preparation unit 400 by a hot water supply device 500, and the hot water and the corn starch colloid are mixed in the second preparation unit 400 to form a corn starch solution as a hematite inhibitor for reverse flotation.
Preferably, the first preparation unit 200 and the second preparation unit 400 are prepared by mixing in a stirring manner. The specific configurations of the first preparation unit 200 and the second preparation unit 400 are substantially the same as the structural configurations of the hematite inhibitor corn starch preparation system for reverse flotation of the present invention, and are not described herein again.
In one embodiment, the preparation method further comprises: step S4, inputting steam into the second preparation unit 400 through the spiral steam pipe 41, and keeping the corn starch solution warm. The heat preservation temperature is set to be 60-70 ℃, the separation of the corn starch caused by the reduction of the temperature is avoided, and the quality of the corn starch solution is further ensured. Adopt the steam conduit heat preservation, the steam conduit equipartition is inboard in the cell body of secondary preparation stirred tank 40, and the thermal efficiency is high, and it is effectual to keep warm.
In one embodiment, the step S1 includes:
storing compressed air into a primary air storage tank 10 and a secondary air storage tank 11 through a first air compressor 9;
compressed air in a primary air storage tank 10 is conveyed to a storage device through a primary air inlet joint 3, and under the driving of the compressed air, corn starch in the storage device is discharged into a quantitative box 12;
the compressed air in the secondary air storage tank 11 is conveyed to a storage device through a secondary air inlet joint 4, and the corn starch in the storage device is discharged into a quantitative box 12 under the driving of the compressed air;
when the corn starch in the quantitative tank 12 reaches a preset weight, the corn starch in the quantitative tank 12 is discharged to the first preparation unit 200 by the second air compressor 25.
Wherein, the volume of the primary air storage tank 10 is 80-90% of the quantitative tank 12, and the volume of the secondary air storage tank 11 is 30-40% of the quantitative tank 12. Two-stage compressed air discharging is adopted, the primary discharging air quantity is large, 80% -90% of the volume of the metering box can be fully stored, the material storage quantity of the metering box 12 is accurately controlled by combining the secondary small air quantity discharging with the metering of the pressure gauge 19, and the accurate metering of the corn starch feeding is realized.
The working process of the present invention will be described in detail with reference to the schematic structural diagram of the embodiment shown in fig. 2.
The feeding device 100 uses a tank for feeding. The tank car 1 is driven into a corn starch preparation workshop and is lifted to a feeding platform 8 by a crane 7. The third discharge conduit 29 of the dosing tank 12 is connected to the inlet 31 of the primary preparation agitation tank 30. The intake valves of the primary air tank 10 and the secondary air tank 11 are opened, the exhaust valves of the primary air tank 10 and the secondary air tank 11 are closed, the first air compressor 9 is started, and the primary air tank 10 and the secondary air tank 11 are filled with compressed air. Then, a valve on a third feeding pipeline 17 of the quantitative tank 12 is opened, a valve on a primary air inlet hose 13 of the tank body is opened firstly, the corn starch is discharged into the quantitative tank 12 from the tank body under the driving of compressed air, and the air storage capacity of the primary air storage tank 10 can fill 80-90% of the volume of the quantitative tank. Then, a valve on a secondary air inlet hose 14 of the tank body is opened, the volume of a secondary air storage tank 11 is small, and the valve on the secondary air inlet hose 14 and a valve on a discharge pipe of the tank body are closed until the corn starch discharged into the quantitative box 12 reaches the quantitative weight detected by a pressure gauge 19. Then, a valve on an air inlet hose of the quantitative box 12 is opened, all materials in the quantitative box 12 are discharged into the corn starch one-time preparation stirring tank 30 under the driving of the second air compressor 25, and the feeding amount is controlled by the discharging times of the quantitative box 12.
The corn starch is prepared at one time. The first electric on-off valve 32 on the cold water pipe is opened until the first flow meter 33 detects that the fed cold water reaches the set value. The cold water and the corn starch form a homogeneous colloidal mixture under the action of stirring, and the content of the corn starch in the mixture is 20%. And opening an electric switch valve and an eccentric screw pump on the discharging pipe, and pumping the uniformly stirred corn starch colloid to the secondary preparation stirring tank 40. The discharge speed can be controlled by controlling the frequency of the eccentric screw pump.
And (4) secondary preparation of corn starch. The second electric on-off valve 38 on the hot water pipe is opened until the second flow meter 39 detects that the fed hot water of 90-95 c reaches the set value. The hot water and the corn starch are fully dissolved under the stirring action to form a corn starch solution, and the concentration of the corn starch solution is 3-5%. The prepared solution is subjected to heat preservation by steam fed through a spiral steam pipe, and the heat preservation temperature is 60-70 ℃. And opening an electric switch valve and an eccentric screw pump on the discharging pipe, and pumping the corn starch solution to a flotation dosing point. The discharge speed can be controlled by controlling the frequency of the eccentric screw pump.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A hematite inhibitor cornstarch preparation system for reverse flotation is characterized by comprising: a feeding device and a preparation device,
wherein the feeding device is used for providing corn starch to the preparation device;
the preparation device comprises: the device comprises a first preparation unit, a cold water supply device, a second preparation unit and a hot water supply device, wherein the cold water supply device is connected with the first preparation unit and is used for supplying cold water to the first preparation unit;
the hot water supply device is connected with the second preparation unit and supplies hot water to the second preparation unit, the second preparation unit is further connected with the first preparation unit and receives the corn starch colloid prepared by the first preparation unit, and the corn starch colloid and the hot water form a corn starch solution in the second preparation unit and serve as a hematite inhibitor for reverse flotation.
2. The hematite inhibitor corn starch preparation system for reverse flotation according to claim 1, wherein the first preparation unit comprises: prepare stirred tank, first charge-in pipeline, first row of material pipeline and first pumping installations once, once prepare the stirred tank and be provided with pan feeding mouth and discharge gate, the pan feeding mouth set up in once prepare the upper portion of stirred tank, through first charge-in pipeline with feedway connects, the discharge gate set up in once prepare the lower part of stirred tank, and with first row of material pipe connection, the one end of first row of material pipeline is connected the discharge gate, the other end is connected first pumping installations, through first pumping installations will the corn starch colloid carry extremely second preparation unit.
3. The hematite inhibitor corn starch preparation system for reverse flotation according to claim 1 or 2, wherein the second preparation unit comprises: prepare stirred tank, second charge-in pipeline, second discharge pipeline and second pumping installations for the secondary, wherein, second charge-in pipeline set up in the upper portion of secondary preparation stirred tank, with first preparation unit connection, be provided with spiral steam conduit on the inside cell wall of secondary preparation stirred tank, spiral steam conduit is in the tank deck that secondary preparation stirred tank is provided with steam air inlet and steam exhaust port, the second discharge pipeline set up in the lower part of secondary preparation stirred tank, with second pumping installations connects, second pumping installations is used for carrying the maize starch solution that preparation formed.
4. The system for preparing hematite inhibitor cornstarch for reverse flotation according to claim 3, wherein a temperature detection device is further provided at a tank top of the secondary preparation agitation tank.
5. The system of claim 1, wherein the feeding device comprises a material transporting device and a material discharging device,
the conveying device comprises a storage device, the storage device is used for storing corn starch, and the storage device is provided with a primary air inlet joint and a discharge joint;
the discharge device comprises: the first air compressor is connected with the primary air storage tank and used for storing compressed air into the primary air storage tank, the primary air storage tank is connected with the primary air inlet joint, the compressed air in the primary air storage tank enters the storage device through the primary air inlet joint, and the corn starch in the storage device is discharged through the discharge joint.
6. The system for preparing corn starch as a hematite inhibitor for reverse flotation according to claim 5, wherein the storage device is further provided with a secondary air inlet connection,
the discharge device further comprises:
the secondary air storage tank is connected with the first air compressor and used for storing compressed air, the secondary air storage tank is connected with the secondary air inlet joint, and the compressed air in the secondary air storage tank enters the storage device through the secondary air inlet joint and is discharged from the storage device through the discharge joint;
a third feeding pipeline is arranged on one side of the quantitative box and connected with the discharging connector, and a third discharging pipeline is arranged on the other side of the quantitative box and connected with the first preparation unit;
and the second air compressor is connected with the quantitative box and used for discharging the corn starch in the quantitative box to the first preparation unit.
7. The system of claim 6, wherein the volume of the secondary receiver is less than the volume of the primary receiver.
8. The system of claim 6, wherein the discharge device further comprises a weight measuring device disposed below the batch tank for measuring the overall weight of the batch tank.
9. The system of claim 8, wherein the weight measuring device is a plurality of pressure gauges disposed at a bottom of the batch tank, the pressure gauges being bolted to a footing plate of the batch tank and connected to a support beam of the batch tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021585873.0U CN212403982U (en) | 2020-08-04 | 2020-08-04 | Hematite inhibitor corn starch preparation system for reverse flotation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021585873.0U CN212403982U (en) | 2020-08-04 | 2020-08-04 | Hematite inhibitor corn starch preparation system for reverse flotation |
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| Publication Number | Publication Date |
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| CN212403982U true CN212403982U (en) | 2021-01-26 |
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| CN202021585873.0U Active CN212403982U (en) | 2020-08-04 | 2020-08-04 | Hematite inhibitor corn starch preparation system for reverse flotation |
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2020
- 2020-08-04 CN CN202021585873.0U patent/CN212403982U/en active Active
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