阅读说明：本技术 一种钠钾长石粉提纯方法以及设备 (Method and equipment for purifying sodium-potassium feldspar powder ) 是由 古大平 朱伟国 陆文艺 郭文涛 陆永初 于 2020-05-14 设计创作，主要内容包括：本发明公开了一种钠钾长石粉提纯方法,包括下列操作步骤：步骤S1、原石破碎；步骤S2、清洗除泥；步骤S3、一次磁选；步骤S4、球磨粉碎；步骤S5、浮选除杂；步骤S6、酸洗除杂；步骤S7、废液处理；步骤S8、二次磁选,一种钠钾长石粉提纯设备,所述酸洗除杂设备包括：酸洗仓以及沉淀仓；所述沉淀仓安设于所述酸洗仓一侧,所述沉淀仓与所述酸洗仓相连通,所述酸洗仓一侧设置有酸洗液制备结构,所述酸洗仓上设置有酸洗搅拌结构,所述沉淀仓一侧设置有酸洗液回收处理结构,本发明本发明工艺简单,操作方便,能回收利用废液,提高资源利用率,减少环境污染；并且除杂效果好,能显著提高白度,钾长石砂粉的质量整体达到了较好水平。(The invention discloses a method for purifying sodium-potassium feldspar powder, which comprises the following operation steps: step S1, crushing the raw stone; step S2, cleaning and removing mud; step S3, carrying out primary magnetic separation; step S4, ball milling and crushing; s5, removing impurities by flotation; step S6, acid washing to remove impurities; step S7, waste liquid treatment; step S8, secondary magnetic separation, namely sodium potassium feldspar powder purification equipment, wherein the acid washing impurity removal equipment comprises: an acid washing bin and a precipitation bin; the device is characterized in that the precipitation bin is arranged on one side of the pickling bin, the precipitation bin is communicated with the pickling bin, a pickling solution preparation structure is arranged on one side of the pickling bin, a pickling stirring structure is arranged on the pickling bin, and a pickling solution recovery processing structure is arranged on one side of the precipitation bin. And the impurity removal effect is good, the whiteness can be obviously improved, and the quality of the potassium feldspar sand powder integrally reaches a better level.)

1. The method for purifying the sodium-potassium feldspar powder is characterized by comprising the following operation steps of: step S1, crushing the raw stone; step S2, cleaning and removing mud; step S3, carrying out primary magnetic separation; step S4, ball milling and crushing; s5, removing impurities by flotation; step S6, acid washing to remove impurities; step S7, waste liquid treatment; step S8, secondary magnetic separation;

the step S1: performing multi-stage crushing treatment on the raw material ore, and screening the crushed raw material ore to prepare the sodium potassium feldspar raw material particles;

the step S2: cleaning, desliming and dehydrating the sodium potassium feldspar raw material particles prepared in the step S1 to prepare dry sodium potassium feldspar particles;

the step S3: carrying out primary magnetic separation on the dried sodium potassium feldspar particles prepared in the step S2 by using a dry magnetic separator, and effectively removing iron in the raw materials;

the step S4: putting the Na-K feldspar particles subjected to the primary magnetic separation in the step S3 into a ball mill for ball milling treatment, wherein the particle size is 150-500 meshes, and thus obtaining Na-K feldspar powder;

the step S5: putting the Nakalium feldspar powder prepared in the step S4 into a flotation machine, and performing flotation impurity removal to prepare a semi-finished product of Nakalium feldspar powder with low iron content;

the step S6: putting the semi-finished product of the soda-potash feldspar powder with low iron content subjected to flotation into acid cleaning impurity removal equipment, adding an acid cleaning solution into the acid cleaning impurity removal equipment, removing impurities such as manganese, calcium and magnesium in the powder, and performing water washing, dehydration and drying treatment to obtain a soda-potash feldspar powder intermediate;

the step S7: collecting and treating the waste liquid generated in the acid washing process in the step S6, and recycling the treated waste liquid;

the step S8: and (5) putting the potassium sodium feldspar powder intermediate prepared in the step (S6) into a high-gradient magnetic separator, and carrying out secondary magnetic separation to obtain high-purity potassium sodium feldspar powder.

2. The method for purifying the sodium-potassium feldspar powder in the step S1 is characterized in that the particle size of the sodium-potassium feldspar raw material particles in the step S1 is 5-50 meshes.

3. The method for purifying sodium-potassium feldspar powder in accordance with claim 1, wherein in step S6, the acid washing solution comprises, by mass: 30-35% of sulfuric acid, 5-10% of di-n-butylamine and 5-15% of potassium oleate, and the pickling temperature is 70-90 ℃.

4. The method for purifying sodium-potassium feldspar powder in accordance with claim 1, wherein in the flotation process of step S5, the PH of the flotation solution is 1.5-4.5.

5. The apparatus for purifying sodium potassium feldspar powder according to any one of claims 1 to 4, wherein the acid cleaning and impurity removing apparatus comprises: an acid washing bin (1) and a precipitation bin (2); the deposition bin (2) is arranged on one side of the pickling bin (1), the deposition bin (2) is communicated with the pickling bin (1), a pickling solution preparation structure is arranged on one side of the pickling bin (1), a pickling stirring structure is arranged on the pickling bin (1), an automatic temperature control structure is arranged on the side wall of the pickling bin (1), and a pickling solution recovery processing structure is arranged on one side of the deposition bin (2);

the pickling solution preparation structure comprises: a quantitative water injection part and three groups of medicine adding parts;

the quantitative water injection part is arranged on one side of the pickling bin (1), one end of the quantitative water injection part is communicated with the pickling bin (1), and the three groups of the medicament adding parts are respectively arranged on one side of the pickling bin (1) and are communicated with the pickling bin (1);

the pickling stirring structure comprises: a power control unit and a rotary stirring unit;

the power control part is arranged on one side of the pickling bin (1), the rotary stirring part is arranged in the pickling bin (1), and the rotary control part is connected with the power control part;

the pickling solution recovery processing structure comprises: a clear liquid collection unit and a filtration separation unit;

the clear liquid collecting part is arranged on one side of the sedimentation bin (2), one end of the clear liquid collecting part is communicated with the sedimentation bin (2), and the filtering and separating part is arranged on one side of the clear liquid collecting part.

6. The apparatus for purifying sodium potassium feldspar powder according to claim 5, wherein the quantitative water injection part comprises: a water supply pump (3), a water supply pipe (4) and a first electromagnetic flow valve (5);

the pickling device is characterized in that the water supply pump (3) is arranged on one side of the pickling bin (1), the water inlet end of the water supply pump (3) is communicated with the water bin, one end of the water supply pipe (4) is communicated with the water outlet end of the water supply pump (3), the other end of the water supply pipe (4) is communicated with the pickling bin (1), and the first electromagnetic flow valve (5) is sleeved on the water supply pipe (4).

7. The apparatus for purifying sodium-potassium feldspar powder according to claim 6, wherein the chemical adding part comprises: a fixing frame (6), a screw rod module (7), a liquid storage bin (8), a piston rod (9), a liquid guide pipe (10) and an electromagnetic control valve (11);

the utility model discloses a pickling machine, including fixing frame (6), lead screw module (7), liquid storage bin (8), catheter (10), lead screw module (7), fixing frame (6) install in pickling storehouse (1) one side, lead screw module (7) install in on fixing frame (6), liquid storage bin (8) install in on fixing frame (6), piston rod (9) one end with the portable end of lead screw module (7) is connected, the other end of piston rod (9) stretches into in the liquid storage bin (8), catheter (10) one end with liquid storage bin (8) are linked together, the other end of catheter (10) with pickling storehouse (1) are linked together, solenoid electric valve (11) suit in on catheter (10).

8. The apparatus for purifying sodium-potassium feldspar powder according to claim 7, wherein the power control unit comprises: the device comprises a mounting seat (12), a first servo motor (13), a rotating shaft (14) and a driving belt pulley (15);

the pickling device is characterized in that the mounting seat (12) is arranged on one side of the pickling bin (1), the first servo motor (13) is arranged on the mounting seat (12), the rotating shaft (14) is arranged on a driving end of the first servo motor (13), and the driving belt pulley (15) is fixedly sleeved on the rotating shaft (14).

9. The apparatus for purifying sodium-potassium feldspar powder according to claim 8, wherein the rotary stirring part comprises: a stirring shaft (16), a stirring blade (17), a driven belt pulley (18) and a triangular belt (19);

the stirring shaft (16) is movably inserted into the pickling bin (1), the stirring paddle (17) is fixedly sleeved on the stirring paddle, the driven belt pulley (18) is fixedly sleeved on the stirring shaft (16), and the triangular belt (19) is respectively sleeved on the driving belt pulley (15) and the driven belt pulley (18).

10. The apparatus for purifying sodium-potassium feldspar powder according to claim 9, wherein the clear liquid collecting part comprises: a liquid suction pipe (20) and a liquid suction pump (21); liquid suction pipe (20) one end stretch into in the storehouse (2) deposits, the feed liquor end of drawing liquid pump (21) with liquid suction pipe (20) are linked together, the other end of drawing liquid pump (21) with filtering separation portion is connected, filtering separation portion includes: store storehouse (22), filter tube (23) and cartridge filter (24) temporarily, store storehouse (22) temporarily install in deposit storehouse (2) one side, filter tube (23) one end with store storehouse (22) temporarily and be linked together, the other end of filter tube (23) with the liquid outlet end of drawing liquid pump (21) communicates, cartridge filter (24) install in on filter tube (23) intermediate position.

Technical Field

The invention relates to the technical field of purification of sodium-potassium feldspar powder, in particular to a method and equipment for purifying sodium-potassium feldspar powder.

Background

Feldspar is a group of minerals consisting of aluminosilicate of potassium, sodium, calcium and barium, is a common mineral in the earth crust, has a proportion of 60 percent, can appear in igneous rock, metamorphic rock and sedimentary rock, has a melting point of 1100-1300 ℃, has good chemical stability, has fluxing action when being co-melted with quartz and aluminosilicate, is widely suitable for manufacturing glass, ceramic blank glaze and fluxing agent of glass, and can reduce the firing temperature; in addition, the generation of the feldspar glass body can also improve the light transmittance of the blank, and production practices prove that the high content of elements such as iron, calcium and the like in the feldspar determines the quality of a ceramic product, the high content of iron can cause black spots of a fired product, the high content of calcium (mainly existing in carbonate) can cause uneven air holes of the fired product, so that the content of iron and calcium must be reduced in the feldspar purification process, and the existence form of iron mainly has two conditions, namely the iron exists in free minerals such as limonite and the like; secondly, the mica mineral exists; the calcium element is mainly existed in calcite, the hematite and the limonite can be removed through high-gradient magnetic separation, the mica minerals can be removed through high-gradient magnetic separation and flotation, and the calcite is mainly removed through flotation.

Disclosure of Invention

The invention aims to solve the problems, designs a method and equipment for purifying sodium potassium feldspar powder, and solves the problems that in the prior art, the extrusion position of piled stones cannot be contacted or is not contacted with sufficient acid liquor, the pickling is incomplete, the utilization rate of sulfuric acid is low, a large amount of waste acid is generated, the impurity removal cost is high, and the environmental influence is large.

The technical scheme of the invention for realizing the aim is as follows: a method for purifying sodium potassium feldspar powder comprises the following operation steps: step S1, crushing the raw stone; step S2, cleaning and removing mud; step S3, carrying out primary magnetic separation; step S4, ball milling and crushing; s5, removing impurities by flotation; step S6, acid washing to remove impurities; step S7, waste liquid treatment; step S8, secondary magnetic separation;

the step S1: performing multi-stage crushing treatment on the raw material ore, and screening the crushed raw material ore to prepare the sodium potassium feldspar raw material particles;

the step S2: cleaning, desliming and dehydrating the sodium potassium feldspar raw material particles prepared in the step S1 to prepare dry sodium potassium feldspar particles;

the step S3: carrying out primary magnetic separation on the dried sodium potassium feldspar particles prepared in the step S2 by using a dry magnetic separator, and effectively removing iron in the raw materials;

the step S4: putting the Na-K feldspar particles subjected to the primary magnetic separation in the step S3 into a ball mill for ball milling treatment, wherein the particle size is 150-500 meshes, and thus obtaining Na-K feldspar powder;

the step S5: putting the Nakalium feldspar powder prepared in the step S4 into a flotation machine, and performing flotation impurity removal to prepare a semi-finished product of Nakalium feldspar powder with low iron content;

the step S6: putting the semi-finished product of the soda-potash feldspar powder with low iron content subjected to flotation into acid cleaning impurity removal equipment, adding an acid cleaning solution into the acid cleaning impurity removal equipment, removing impurities such as manganese, calcium and magnesium in the powder, and performing water washing, dehydration and drying treatment to obtain a soda-potash feldspar powder intermediate;

the step S7: collecting and treating the waste liquid generated in the acid washing process in the step S6, and recycling the treated waste liquid;

the step S8: and (5) putting the potassium sodium feldspar powder intermediate prepared in the step (S6) into a high-gradient magnetic separator, and carrying out secondary magnetic separation to obtain high-purity potassium sodium feldspar powder.

The particle size of the potassium sodium feldspar raw material particles in the step S1 is 5-50 meshes.

In step S6, the acid washing solution includes, by mass: 30-35% of sulfuric acid, 5-10% of di-n-butylamine and 5-15% of potassium oleate, and the pickling temperature is 70-90 ℃.

In the flotation process of the step S5, the pH value of the flotation solution is 1.5-4.5.

The utility model provides a sodium potassium feldspar powder purification equipment, acid pickling edulcoration equipment includes: an acid washing bin and a precipitation bin; the precipitation bin is arranged on one side of the pickling bin, the precipitation bin is communicated with the pickling bin, a pickling solution preparation structure is arranged on one side of the pickling bin, a pickling stirring structure is arranged on the pickling bin, an automatic temperature control structure is arranged on the side wall of the pickling bin, and a pickling solution recovery processing structure is arranged on one side of the precipitation bin;

the pickling solution preparation structure comprises: a quantitative water injection part and three groups of medicine adding parts;

the quantitative water injection part is arranged on one side of the pickling bin, one end of the quantitative water injection part is communicated with the pickling bin, and the three groups of the medicament adding parts are respectively arranged on one side of the pickling bin and are communicated with the pickling bin;

the pickling stirring structure comprises: a power control unit and a rotary stirring unit;

the power control part is arranged on one side of the pickling bin, the rotary stirring part is arranged in the pickling bin, and the rotary control part is connected with the power control part;

the pickling solution recovery processing structure comprises: a clear liquid collection unit and a filtration separation unit;

the clear liquid collecting part is arranged on one side of the precipitation bin, one end of the clear liquid collecting part is communicated with the precipitation bin, and the filtering and separating part is arranged on one side of the clear liquid collecting part.

The quantitative water injection part comprises: a water supply pump, a water supply pipe, and a first electromagnetic flow valve;

the water supply pump is arranged on one side of the pickling bin, the water inlet end of the water supply pump is communicated with the water bin, one end of the water supply pipe is communicated with the water outlet end of the water supply pump, the other end of the water supply pipe is communicated with the pickling bin, and the first electromagnetic flow valve is sleeved on the water supply pipe.

The drug addition part includes: the device comprises a fixed frame, a screw rod module, a liquid storage bin, a piston rod, a liquid guide pipe and an electromagnetic control valve;

the fixing frame is arranged on one side of the pickling bin, the screw rod module is arranged on the fixing frame, the liquid storage bin is arranged on the fixing frame, one end of the piston rod is connected with the movable end of the screw rod module, the other end of the piston rod extends into the liquid storage bin, one end of the liquid guide pipe is communicated with the liquid storage bin, the other end of the liquid guide pipe is communicated with the pickling bin, and the electromagnetic control valve is sleeved on the liquid guide pipe.

The power control section includes: the device comprises a mounting seat, a first servo motor, a rotating shaft and a driving belt pulley;

the mounting seat is arranged on one side of the pickling bin, the first servo motor is arranged on the mounting seat, the rotating shaft is arranged on the driving end of the first servo motor, and the driving belt pulley is fixedly sleeved on the rotating shaft.

The rotary stirring section includes: the stirring shaft, the stirring paddle, the driven belt pulley and the triangular belt;

the stirring shaft is movably inserted into the pickling bin, the stirring paddle is fixedly sleeved on the stirring paddle, the driven belt pulley is fixedly sleeved on the stirring shaft, and the triangular belt is sleeved on the driving belt pulley and the driven belt pulley respectively.

The clear liquid collecting part includes: a liquid pumping pipe and a liquid pumping pump; liquid suction pipe one end stretch into in the storehouse deposits, the feed liquor end of drawing liquid pump with the liquid suction pipe is linked together, the other end of drawing liquid pump with filtering separation portion is connected, filtering separation portion includes: store storehouse, filtering duct and cartridge filter temporarily, store the storehouse temporarily install in deposit storehouse one side, filtering duct one end with store the storehouse temporarily and be linked together, filtering duct's the other end with the play liquid end of drawing liquid pump communicates, the cartridge filter install in on the filtering duct intermediate position.

The method and the equipment for purifying the sodium-potassium feldspar powder manufactured by the technical scheme have the advantages of simple process and convenient operation, can recycle the waste liquid, improve the resource utilization rate and reduce the environmental pollution; and the edulcoration is effectual, can show improvement whiteness degree, and the quality of potassium feldspar sand powder has wholly reached better level, and in the acid pickling edulcoration in-process, the acid pickling edulcoration equipment that adopts includes: the device comprises an acid washing bin and a precipitation bin, wherein the precipitation bin is communicated with the acid washing bin, one side of the acid washing bin is provided with an acid washing liquid preparation structure, the acid washing solution can be automatically prepared according to the amount of the input semi-finished product of the soda potash feldspar powder, the metering is accurate, the reliability is high, the device is suitable for mass centralized production, the acid washing bin is provided with an acid washing stirring structure, the mixed solution is quickly stirred, so that the semi-finished product of the soda potash feldspar powder is fully contacted with the acid washing solution, the side wall of the acid washing bin is provided with an automatic temperature control structure to ensure the acid washing effect, one side of the precipitation bin is provided with an acid washing liquid recovery processing structure, waste liquid generated after acid washing is recovered and processed, the pH value of the flotation liquid in a flotation machine can be adjusted, the utilization rate of sulfuric acid is improved, and the problems that in, the utilization rate of the sulfuric acid is low, and a large amount of waste acid is generated, so that the impurity removal cost is high, and the environmental influence is large.

Drawings

Fig. 1 is a schematic structural view of a main view of the purification equipment for the sodium potassium feldspar powder.

Fig. 2 is a schematic top view of the apparatus for purifying the sodium potassium feldspar powder according to the present invention.

Fig. 3 is a schematic structural view of a medicament adding part of the sodium potassium feldspar powder purifying equipment according to the invention.

Fig. 4 is a schematic structural view of the acid washing and stirring structure of the sodium potassium feldspar powder purification device.

Fig. 5 is a schematic diagram of a partially enlarged structure of fig. 2 of the apparatus for purifying the sodium-potassium feldspar powder according to the invention.

In the figure: 1-pickling a bin; 2-a settling bin; 3-water supply pump; 4-a water supply pipe; 5-a first electromagnetic flow valve; 6, fixing a frame; 7-a screw rod module; 8-a liquid storage bin; 9-a piston rod; 10-a catheter; 11-a solenoid control valve; 12-a mounting seat; 13-a first servo motor; 14-a rotating shaft; 15-a driving pulley; 16-a stirring shaft; 17-stirring blades; 18-a driven pulley; 19-V belt; 20-a liquid extracting pipe; 21-a liquid pump; 22-temporary storage; 23-a filtration conduit; 24-filter cartridge.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 5, a method for purifying sodium potassium feldspar powder comprises the following steps: step S1, crushing the raw stone; step S2, cleaning and removing mud; step S3, carrying out primary magnetic separation; step S4, ball milling and crushing; s5, removing impurities by flotation; step S6, acid washing to remove impurities; step S7, waste liquid treatment; step S8, secondary magnetic separation; the step S1: performing multi-stage crushing treatment on the raw material ore, and screening the crushed raw material ore to prepare the sodium potassium feldspar raw material particles; the step S2: cleaning, desliming and dehydrating the sodium potassium feldspar raw material particles prepared in the step S1 to prepare dry sodium potassium feldspar particles; the step S3: carrying out primary magnetic separation on the dried sodium potassium feldspar particles prepared in the step S2 by using a dry magnetic separator, and effectively removing iron in the raw materials; the step S4: putting the Na-K feldspar particles subjected to the primary magnetic separation in the step S3 into a ball mill for ball milling treatment, wherein the particle size is 150-500 meshes, and thus obtaining Na-K feldspar powder; the step S5: putting the Nakalium feldspar powder prepared in the step S4 into a flotation machine, and performing flotation impurity removal to prepare a semi-finished product of Nakalium feldspar powder with low iron content; the step S6: putting the semi-finished product of the soda-potash feldspar powder with low iron content subjected to flotation into acid cleaning impurity removal equipment, adding an acid cleaning solution into the acid cleaning impurity removal equipment, removing impurities such as manganese, calcium and magnesium in the powder, and performing water washing, dehydration and drying treatment to obtain a soda-potash feldspar powder intermediate; the step S7: collecting and treating the waste liquid generated in the acid washing process in the step S6, and recycling the treated waste liquid; the step S8: putting the intermediate of the Na-K feldspar powder prepared in the step S6 into a high-gradient magnetic separator, and carrying out secondary magnetic separation to obtain high-purity Na-K feldspar powder; the particle size of the potassium sodium feldspar raw material particles in the step S1 is 5-50 meshes; in step S6, the acid washing solution includes, by mass: 30-35% of sulfuric acid, 5-10% of di-n-butylamine and 5-15% of potassium oleate, wherein the pickling temperature is 70-90 ℃; in the flotation process of the step S5, the pH value of the flotation solution is 1.5-4.5;

the utility model provides a sodium potassium feldspar powder purification equipment, acid pickling edulcoration equipment includes: an acid washing bin 1 and a precipitation bin 2; the precipitation bin 2 is arranged on one side of the pickling bin 1, the precipitation bin 2 is communicated with the pickling bin 1, a pickling solution preparation structure is arranged on one side of the pickling bin 1, a pickling stirring structure is arranged on the pickling bin 1, an automatic temperature control structure is arranged on the side wall of the pickling bin 1, and a pickling solution recovery processing structure is arranged on one side of the precipitation bin 2; the pickling solution preparation structure comprises: a quantitative water injection part and three groups of medicine adding parts; the quantitative water injection part is arranged on one side of the pickling bin 1, one end of the quantitative water injection part is communicated with the pickling bin 1, and the three groups of the medicament adding parts are respectively arranged on one side of the pickling bin 1 and are communicated with the pickling bin 1; the pickling stirring structure comprises: a power control unit and a rotary stirring unit; the power control part is arranged on one side of the pickling bin 1, the rotary stirring part is arranged in the pickling bin 1, and the rotary control part is connected with the power control part; the pickling solution recovery processing structure comprises: a clear liquid collection unit and a filtration separation unit; the clear liquid collecting part is arranged on one side of the settling bin 2, one end of the clear liquid collecting part is communicated with the settling bin 2, and the filtering and separating part is arranged on one side of the clear liquid collecting part; the quantitative water injection part comprises: a water supply pump 3, a water supply pipe 4, and a first electromagnetic flow valve 5; the water supply pump 3 is arranged on one side of the pickling bin 1, the water inlet end of the water supply pump 3 is communicated with the water bin, one end of the water supply pipe 4 is communicated with the water outlet end of the water supply pump 3, the other end of the water supply pipe 4 is communicated with the pickling bin 1, and the first electromagnetic flow valve 5 is sleeved on the water supply pipe 4; the drug addition part includes: the device comprises a fixed frame 6, a screw rod module 7, a liquid storage bin 8, a piston rod 9, a catheter 10 and an electromagnetic control valve 11; the fixing frame 6 is arranged on one side of the pickling bin 1, the screw rod module 7 is arranged on the fixing frame 6, the liquid storage bin 8 is arranged on the fixing frame 6, one end of the piston rod 9 is connected with the movable end of the screw rod module 7, the other end of the piston rod 9 extends into the liquid storage bin 8, one end of the liquid guide tube 10 is communicated with the liquid storage bin 8, the other end of the liquid guide tube 10 is communicated with the pickling bin 1, and the electromagnetic control valve 11 is sleeved on the liquid guide tube 10; the power control section includes: a mounting seat 12, a first servo motor 13, a rotating shaft 14 and a driving belt pulley 15; the mounting seat 12 is arranged on one side of the pickling bin 1, the first servo motor 13 is arranged on the mounting seat 12, the rotating shaft 14 is arranged on the driving end of the first servo motor 13, and the driving belt pulley 15 is fixedly sleeved on the rotating shaft 14; the rotary stirring section includes: a stirring shaft 16, a stirring paddle 17, a driven pulley 18 and a triangular belt 19; the stirring shaft 16 is movably inserted into the pickling bin 1, the stirring paddle 17 is fixedly sleeved on the stirring paddle, the driven belt pulley 18 is fixedly sleeved on the stirring shaft 16, and the triangular belt 19 is respectively sleeved on the driving belt pulley 15 and the driven belt pulley 18; the clear liquid collecting part includes: a liquid suction pipe 20 and a liquid suction pump 21; one end of the liquid pumping pipe 20 extends into the settling bin 2, the liquid inlet end of the liquid pumping pump 21 is communicated with the liquid pumping pipe 20, the other end of the liquid pumping pump 21 is connected with the filtering and separating part, and the filtering and separating part comprises: store storehouse 22, filtering duct 23 and cartridge filter 24 temporarily, store storehouse 22 temporarily install in deposit 2 one sides in the storehouse, filtering duct 23 one end with store storehouse 22 temporarily and be linked together, filtering duct 23 the other end with the play liquid end of drawing liquid pump 21 communicates, cartridge filter 24 install in on the 23 intermediate position of filtering duct.

The implementation scheme is characterized by comprising the following operation steps: step S1, crushing the raw stone; step S2, cleaning and removing mud; step S3, carrying out primary magnetic separation; step S4, ball milling and crushing; s5, removing impurities by flotation; step S6, acid washing to remove impurities; step S7, waste liquid treatment; step S8, secondary magnetic separation; step S1: performing multi-stage crushing treatment on the raw material ore, and screening the crushed raw material ore to prepare the sodium potassium feldspar raw material particles; step S2: cleaning, desliming and dehydrating the sodium potassium feldspar raw material particles prepared in the step S1 to prepare dry sodium potassium feldspar particles; step S3: carrying out primary magnetic separation on the dried sodium potassium feldspar particles prepared in the step S2 by using a dry magnetic separator, and effectively removing iron in the raw materials; step S4: putting the Na-K feldspar particles subjected to the primary magnetic separation in the step S3 into a ball mill for ball milling treatment, wherein the particle size is 150-500 meshes, and obtaining Na-K feldspar powder; step S5: putting the Na-K feldspar powder prepared in the step S4 into a flotation machine, and carrying out flotation impurity removal to prepare a semi-finished product Na-K feldspar powder with low iron content; step S6: putting the semi-finished product of the soda-potash feldspar powder with low iron content subjected to flotation into acid cleaning impurity removal equipment, adding an acid cleaning solution into the acid cleaning impurity removal equipment, removing impurities such as manganese, calcium and magnesium in the powder, and performing water washing, dehydration and drying treatment to obtain a soda-potash feldspar powder intermediate; step S7: collecting and treating the waste liquid generated in the acid washing process in the step S6, and recycling the treated waste liquid; step S8: putting the intermediate of the Na-K feldspar powder prepared in the step S6 into a high-gradient magnetic separator, and carrying out secondary magnetic separation to obtain high-purity Na-K feldspar powder; the acid cleaning impurity removing equipment comprises: an acid washing bin 1 and a precipitation bin 2; the precipitation bin 2 is arranged on one side of the pickling bin 1, the precipitation bin 2 is communicated with the pickling bin 1, a pickling solution preparation structure is arranged on one side of the pickling bin 1, a pickling stirring structure is arranged on the pickling bin 1, an automatic temperature control structure is arranged on the side wall of the pickling bin 1, and a pickling solution recovery processing structure is arranged on one side of the precipitation bin 2; the pickling solution preparation structure comprises: a quantitative water injection part and three groups of medicine adding parts; the quantitative water injection part is arranged on one side of the pickling bin 1, one end of the quantitative water injection part is communicated with the pickling bin 1, and the three groups of the medicament adding parts are respectively arranged on one side of the pickling bin 1 and are communicated with the pickling bin 1; the pickling stirring structure comprises: a power control unit and a rotary stirring unit; the power control part is arranged on one side of the pickling bin 1, the rotary stirring part is arranged in the pickling bin 1, and the rotary control part is connected with the power control part; the pickling solution recovery processing structure comprises: a clear liquid collection unit and a filtration separation unit; the clear liquid collecting part is arranged on one side of the settling bin 2, one end of the clear liquid collecting part is communicated with the settling bin 2, and the filtering and separating part is arranged on one side of the clear liquid collecting part; the method and the equipment for purifying the sodium-potassium feldspar powder have the advantages of simple process and convenient operation, can recycle the waste liquid, improve the resource utilization rate and reduce the environmental pollution; and the edulcoration is effectual, can show improvement whiteness degree, and the quality of potassium feldspar sand powder has wholly reached better level, and in the acid pickling edulcoration in-process, the acid pickling edulcoration equipment that adopts includes: the device comprises an acid washing bin and a precipitation bin, wherein the precipitation bin is communicated with the acid washing bin, one side of the acid washing bin is provided with an acid washing liquid preparation structure, the acid washing solution can be automatically prepared according to the amount of the input semi-finished product of the soda potash feldspar powder, the metering is accurate, the reliability is high, the device is suitable for mass centralized production, the acid washing bin is provided with an acid washing stirring structure, the mixed solution is quickly stirred, so that the semi-finished product of the soda potash feldspar powder is fully contacted with the acid washing solution, the side wall of the acid washing bin is provided with an automatic temperature control structure to ensure the acid washing effect, one side of the precipitation bin is provided with an acid washing liquid recovery processing structure, waste liquid generated after acid washing is recovered and processed, the pH value of the flotation liquid in a flotation machine can be adjusted, the utilization rate of sulfuric acid is improved, and the problems that in, the utilization rate of the sulfuric acid is low, and a large amount of waste acid is generated, so that the impurity removal cost is high, and the environmental influence is large.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.