CN112010316A

CN112010316A - Quartz sand processing technology

Info

Publication number: CN112010316A
Application number: CN202010641049.0A
Authority: CN
Inventors: 陈勇
Original assignee: Anhui Fengsha Mining Group Co ltd
Current assignee: Anhui Fengkuang Silica Sand Group Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-12-01
Anticipated expiration: 2040-07-06
Also published as: CN112010316B

Abstract

The invention discloses a quartz sand processing technology, and belongs to the technical field of new material processing technologies. The invention relates to a quartz sand processing technology, which mainly comprises the following steps of; adding quartz sand raw materials into a fluidized bed, taking a proper amount of oxalic acid, proportioning, and adding into a graphite exchanger for heating; injecting quartz sand raw materials into a fluidized bed, injecting oxalic acid heated by a graphite exchanger into the fluidized bed, and mixing and fluidizing the oxalic acid and the quartz sand raw materials; carrying out acid washing on the quartz sand, then carrying out heat preservation in a fluidized bed for three hours, and carrying out vacuum filtration in the fluidized bed after heat preservation to recover acid liquor; and after acid liquor is recovered, injecting clear water into the fluidized bed through an acid inlet and water inlet device to clean the quartz sand, and dehydrating the quartz sand after the cleaning is finished to obtain a finished product. The quartz sand processing technology provided by the invention has the advantages of simple preparation process flow, low investment cost and high finished product quality, and is beneficial to wide popularization and application.

Description

Quartz sand processing technology

Technical Field

The invention belongs to the technical field of new material processing technologies, and particularly relates to a quartz sand processing technology.

Background

The new material means a structural material having excellent properties and a functional material having special properties, which are newly developed or are being developed. The structural materials mainly utilize the mechanical properties of the structural materials, such as strength, toughness, hardness, elasticity and the like. Such as new ceramic materials, amorphous alloys (metallic glasses), etc. The functional material mainly utilizes the functions and physical effects of electricity, light, sound, magnetism, heat and the like. In recent years, new metallic materials, fine ceramics, optical fibers, and the like are mainly used as new materials to be researched and developed in the world.

The quartz sand is quartz particles formed by crushing and processing quartz stones. Quartz is a non-metallic mineral, a silicate mineral that is hard, wear resistant, and chemically stable. The color of the quartz sand is milky white or colorless and semitransparent, and the Mohs hardness is 7. Quartz sand is an important industrial mineral raw material and a non-chemical hazardous article, and is widely used in the industries of glass, casting, ceramics and fireproof materials, ferrosilicon smelting, metallurgical flux, metallurgy, building, chemical engineering, plastics, rubber, grinding materials, filter materials and the like.

In the prior art, in the quartz sand processing process flow, the utilization rate of acid is not high enough, and the waste of acid is easily caused, so that the use cost is improved to a certain extent, the actual production efficiency is lower in the processing process, and the quality of a finished product needs to be improved.

Disclosure of Invention

The invention aims to provide a quartz sand processing technology, which is realized by the following technical scheme for solving the technical problems:

the quartz sand processing technology is characterized by comprising the following specific steps of:

(1) adding quartz sand raw materials into a fluidized bed, taking a proper amount of oxalic acid, proportioning, and adding into a graphite exchanger for heating;

(2) injecting a quartz sand raw material into a fluidized bed, and injecting oxalic acid heated by the graphite exchanger in the step (1) into the fluidized bed to be mixed and fluidized with the quartz sand raw material;

(3) carrying out acid washing on the quartz sand, then carrying out heat preservation in a fluidized bed for three hours, and carrying out vacuum filtration in the fluidized bed after heat preservation to recover acid liquor;

(4) and after acid liquor is recovered, injecting clear water into the fluidized bed through an acid inlet and water inlet device to clean the quartz sand, and dehydrating the quartz sand after the cleaning is finished to obtain a finished product.

Preferably, the step (2) further comprises the step of purifying the acid overflowing from the fluidized bed in an acid purifier, and storing the purified acid in a circulation tank, so that the acid can be reused.

Preferably, the cleaning and dehydrating process in the step (4) can be repeated for multiple times, and the pH value of the quartz sand is ensured to be 6-8 after dehydration is finished.

Preferably, the fluidized bed comprises a fluidized bed vertical cylinder and a fluidized bed conical barrel, the fluidized bed conical barrel is fixedly connected to the lower end of the fluidized bed vertical cylinder, the fluidized bed vertical cylinder is communicated with the interior of the fluidized bed conical barrel, a cylinder cover is fixedly mounted at the upper end of the fluidized bed vertical cylinder in a sealing manner, a feed inlet is formed in the middle of the upper end of the cylinder cover, a steady flow barrel is arranged on the upper portion of an inner cavity of the fluidized bed vertical cylinder, an acid inlet and water inlet device is arranged on the lower portion of the inner cavity of the fluidized bed vertical cylinder, a plurality of supporting legs are fixedly mounted on the outer conical surface annular array of the fluidized bed conical barrel, a lower filter opening is fixedly mounted at the lower end of the fluidized bed conical barrel; the inner part of the steady flow barrel is of a hollow cylindrical structure, the middle part of the upper end of the steady flow barrel is provided with a feed opening, the outer side of the upper end of the steady flow barrel is provided with an overflow groove, the upper part of the outer surface of the steady flow barrel is fixedly connected with a drain pipe and an acid discharge pipe, and the outer wall of the steady flow barrel is welded on the upper part of the inner wall of the vertical barrel of; the overflow groove is an inclined groove with a high left and a low right, the drain pipe and the acid discharge pipe are both communicated with the lowest part of the overflow groove, and one ends of the drain pipe and the acid discharge pipe, which are far away from the steady flow barrel, penetrate through the side wall of the vertical cylinder of the fluidized bed and extend to the outer side of the vertical cylinder of the fluidized bed; the inner diameter of the feed opening is larger than that of the feed opening, and the feed opening is positioned right below the feed opening; a plurality of connecting plates are fixedly arranged on the lower portion of the inner cavity of the steady flow barrel in an annular array mode, and a spoiler is fixedly arranged on one side, far away from the barrel wall of the steady flow barrel, of each connecting plate; including first mount pad, annular pipe, advance sour inlet tube, U type pipe, second mount pad and vertical pipe, its characterized in that: the acid inlet pipe is fixedly connected to the rear end of the annular pipe, the vertical pipe is fixedly connected to one end, far away from the annular pipe, of the acid inlet pipe, the U-shaped pipe is fixedly connected to one end, far away from the acid inlet pipe, of the vertical pipe, and the inner side of the annular pipe is fixedly provided with a main pipe and branch pipes; the first mounting seat comprises a mounting plate and a supporting plate, a plurality of fixing seats are fixedly mounted at the upper end of the supporting plate at equal intervals, screw holes penetrating from left to right are formed in the side surfaces of the mounting plate, bolts are inserted into the screw holes and connected with the first mounting seat and the second mounting seat in a threaded manner to fixedly connect the first mounting seat and the second mounting seat with the fluidized bed body, the second mounting seat and the first mounting seat are identical in structure, semi-cylindrical grooves are formed in the middle of the upper ends of the fixing seats, the diameter size of the cross section of the annular pipe is matched with the size of the semi-cylindrical grooves, and the annular pipe is clamped in the plurality of semi-cylindrical grooves and is fixedly mounted between the first mounting seat and the; the branch pipes are welded at the lower end of the main pipe and communicated with the interior of the main pipe, a plurality of groups are arranged at equal intervals between the main pipe and the branch pipes, the main pipe and the branch pipes are vertical to each other, and a plurality of spray holes are formed at equal intervals between the lower ends of the main pipe and the branch pipes; the spray holes are obliquely arranged at an angle of 20 degrees with the vertical direction, and the spray holes are distributed in central symmetry with the axial direction of the annular pipe; the sand discharge pipe is fixedly arranged on the conical surface of the outer side of the fluidized bed conical barrel, the sand discharge pipe is positioned on one side of the fluidized bed conical barrel, which is far away from the discharge port, two filter screens are arranged, the filter screens positioned above the sand discharge pipe are fixedly arranged on the fluidized bed vertical barrel and the fluidized bed conical barrel, and the sand discharge pipe is positioned between the two filter screens; the upper end of the cylinder cover is also provided with a waste gas outlet, two independent water injection ports and a sampling port liquid level meter mounting port.

Preferably, the graphite exchanger comprises a base and a heating tank, four supporting columns are fixedly mounted on the lower portion of the outer surface of the heating tank in an annular array mode, a heating device and a stirring mechanism are arranged in the heating tank, the upper portion of the rear end of the heating tank is fixedly connected with a feeding pipe, and the middle portion of the lower end of the heating tank is fixedly connected with a first discharging pipe; the heating device comprises two graphite heating plates, the two sides of the upper ends of the two graphite heating plates are respectively and fixedly connected with an anode plate and a cathode plate, the upper ends of the anode plate and the cathode plate are respectively and fixedly connected with a first mounting plate, and the upper part and the lower part of the right end of the first mounting plate are respectively provided with a first mounting hole which penetrates through left and right; the upper part of the tank wall of the inner cavity of the heating tank is fixedly connected with four mounting blocks, the positions of the four mounting blocks correspond to the positions of the four first mounting plates one by one, one side, away from the tank wall of the heating tank, of each of the four mounting blocks is provided with second mounting holes matched with the positions and the number of the first mounting holes, and each group of matched first mounting holes and second mounting holes are jointly inserted and screwed with a flat head screw to fixedly connect the heating device and the heating tank together; the graphite heating plate is of an arc-shaped plate structure, and a plurality of vertical grooves are formed in the upper end and the lower end of the graphite heating plate in a staggered manner; the stirring mechanism comprises a shaft lever and stirring blades, the upper end of the shaft lever is installed in the middle of the top wall of the inner cavity of the heating tank through an annular bearing movable rod, the stirring blades are provided with a plurality of, and the annular array is fixedly installed on the outer surface of the shaft lever.

Preferably, the acid inlet and water inlet device comprises a first mounting seat, an annular spraying main pipe, an acid inlet pipe, a spraying assembly and a second mounting seat, wherein the first mounting seat comprises a second mounting plate which is of an arc-shaped structure, a supporting plate is fixedly mounted at the lower part of one end, close to the first mounting seat, of the second mounting plate, the supporting plate and the second mounting plate are of an integrally formed structure, and a plurality of fixing seats are fixedly mounted at the upper end of the supporting plate; the spray assembly comprises a siphon elbow, an upper communicating pipe, a lower communicating pipe, a vertical pipe and a spray head, wherein the vertical pipe is parallel to the vertical part of the siphon elbow, the upper communicating pipe and the lower communicating pipe are fixedly connected between the vertical pipe and the siphon elbow, the upper communicating pipe is located above the lower communicating pipe, and the spray head is located at the upper end of the vertical pipe.

Preferably, the circulation tank comprises a circulation tank body, a plurality of groups of supporting blocks are arranged at the bottom of the circulation tank body, elastic cushion pads are fixed at the bottoms of the groups of supporting blocks, a plurality of groups of mounting pipes are arranged at the upper end of the circulation tank body, flange plates are arranged on the groups of mounting pipes, fixed blocks are welded on the outer walls of the groups of flange plates, inserting cavities are formed in the inner cavities of the fixed blocks, L-shaped rods are arranged on the groups of mounting pipes, cover plate mechanisms are rotatably arranged at the upper ends of the L-shaped rods and are inserted with the fixed blocks, through holes are symmetrically formed in the inner cavities of the fixed blocks in a bilateral mode, and extrusion mechanisms are arranged in the inner cavities of the; the cover plate mechanism comprises a cover plate, an elastic sealing gasket is fixed at the bottom of the cover plate, the lower end of the elastic sealing gasket is abutted against the upper end of the flange plate, a transverse plate is fixed on the outer wall of the cover plate, elastic steel sheets are symmetrically arranged at the bottom of the transverse plate, right-angle triangular blocks are fixed at the lower ends of the two groups of elastic steel sheets, and the lower ends of the two groups of elastic steel sheets are located in an inner cavity of an insertion cavity of the fixed block; the inner cavity wall of the insertion cavity of the fixed block is symmetrically provided with baffle strips left and right, the two groups of elastic steel sheets are positioned between the two groups of baffle strips, and the upper ends of the two groups of right-angle triangular blocks are respectively abutted against the lower ends of the two groups of baffle strips; the extrusion mechanism comprises a fixing ring and an extrusion rod, the fixing ring is fixed in an inner cavity of the accommodating through hole, the extrusion rod is positioned outside the fixing block, one end, close to the fixing block, of the extrusion rod penetrates through an inner ring of the fixing ring and extends into the insertion cavity, an extrusion spring is sleeved on the extrusion rod, and two ends of the extrusion spring are fixedly connected with the fixing ring and the extrusion rod respectively; the extrusion pole includes the first body of rod and the second body of rod, the first body of rod is located the outside of fixed block, and the one end and the second body of rod fixed connection that the first body of rod is close to the fixed block, the diameter of the first body of rod is greater than the diameter of the second body of rod, the one end that the first body of rod was kept away from to the second body of rod passes solid fixed ring and extends to the inner chamber in grafting chamber, the both ends of extrusion spring respectively with the first body of rod and solid fixed ring fixed connection.

Preferably, the acid purifier comprises a vertical barrel and a conical barrel, the vertical barrel is fixedly mounted at the upper end of the conical barrel, the vertical barrel and the conical barrel are of an integrally formed structure, three groups of supports are fixedly mounted on the outer side arc surface of the conical barrel in an annular array, a discharge pipe is fixedly connected to the lower portion of the outer side arc surface of the conical barrel, a top cover is fixedly mounted at the upper end of the vertical barrel, a second discharge pipe is fixedly mounted in the middle of the upper end of the top cover, a second flow stabilizing barrel is fixedly mounted at the upper portion of the inner cavity of the vertical barrel, and an acid outlet pipe is fixedly mounted at the upper portion of the outer surface; the second flow stabilizing barrel is of a cylindrical structure with a hollow interior, the second flow stabilizing barrel is welded on the upper portion of the side wall of the inner cavity of the vertical barrel, a feeding inlet is formed in the upper end of the second flow stabilizing barrel, an overflow groove is formed in the outer side of the upper end face of the second flow stabilizing barrel, a blocking device is arranged on the lower portion of the inner cavity of the second flow stabilizing barrel, the inner diameter of the feeding inlet is larger than that of a feeding pipe, and the feeding inlet is located right below the feeding pipe; the blocking device comprises an installation base, a plurality of connecting plates are fixedly installed on the outer surface of the installation base, a conical table is fixedly installed at the upper end of the installation base, and if a diversion trench and a plurality of diversion trenches are formed in the arc surface annular array at the upper end of the conical table, the blocking device and the second flow stabilizing barrel are fixedly connected together at the lower part of the inner wall of the second flow stabilizing barrel through the equal fixed connection of one end, far away from the installation base, of the connecting plates.

Preferably, the cleaning tank comprises a tank body, a motor is fixedly installed in the middle of the right end of the tank body through a bolt, a PH meter is fixedly installed on the right portion of the upper end of the tank body, four supporting legs are fixedly installed on the lower end of the tank body in a rectangular array, an inlet pipe and an inlet pipe are fixedly installed on the left portion of the upper end of the tank body, and a primary discharging pipe, a secondary discharging pipe and a tertiary discharging pipe are fixedly connected to the lower end of the tank body from left to right in sequence; the output end of the motor is fixedly provided with a transmission shaft, one end of the transmission shaft, which is far away from the motor, penetrates through the right side wall of the tank body, extends to an inner cavity of the tank body, and is movably connected with the left side wall of the tank body through a bearing, and the outer wall of the part of the transmission shaft, which is positioned in the tank body, is provided with three stirring mechanisms and two filter plates, wherein the three stirring mechanisms and the two filter plates are alternately distributed; the stirring mechanism comprises a plurality of connecting rods and stirring paddles, the connecting rods are fixedly connected to the outer surface of the transmission shaft in an annular array mode, the number of the stirring paddles is equal to that of the connecting rods, and the stirring paddles are fixedly connected to one ends, far away from the transmission shaft, of the connecting rods respectively; the utility model discloses a filter plate, including filter plate, transmission shaft, filter plate and filter plate perpendicular, filter plate center department inlays fixed mounting and has a bearing frame, the transmission shaft alternates fixed connection and is in the same place filter plate and transmission shaft fixed connection in the bearing frame, the equal annular array fixed mounting in filter plate left end outside and right-hand member outside has a plurality of fixed block, and the screw of two break-throughs is all seted up to every fixed block and filter plate perpendicular.

Preferably, when the quartz sand is subjected to heat preservation in the fluidized bed after being subjected to acid washing, the temperature in the fluidized bed is controlled at 75 ℃.

The invention has the following beneficial effects:

the quartz sand processing technology of the invention can overflow excessive acid during acid cleaning by technically improving the structure of the fluidized bed, and the acid is recovered and purified by the acid purifier, wherein the acid purifier has novel structure, can effectively purify and recover the overflowed acid and store the overflowed acid in the circulating tank for later use, the circulating tank has good sealing property, dust and other impurities can enter the tank body to cause the acid in the tank body to be polluted, the acid liquid in the circulating tank can be circularly injected into the graphite exchanger for heating and recycling according to the actual use requirement during use, the investment of processing cost is reduced, the heating capacity of the graphite exchanger can be greatly improved by redesigning the structure of the graphite heating plate in the graphite exchanger, thereby the working efficiency is improved, after the quartz sand after acid cleaning is kept warm for three hours at 75 ℃ in the fluidized bed, vacuum filtration retrieves the acidizing fluid, and the rethread advances sour water installations water injection and washs, through the setting of siphon return bend, utilizes the siphon principle can effectively avoid in the sand gets into the shower nozzle and lead to the shower nozzle to block up.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of a quartz sand processing process according to the present invention;

FIG. 2 is a schematic view of the overall structure of a fluidized bed in the quartz sand processing process according to the present invention;

FIG. 3 is a cross-sectional view of a flow stabilizing barrel in a fluidized bed of a quartz sand processing process according to the present invention;

FIG. 4 is a schematic view of the installation positions of the baffle and the connecting plate in the quartz sand processing process according to the present invention;

FIG. 5 is a sectional view of a fluidized bed in a silica sand processing method according to the present invention;

FIG. 6 is a cross-sectional view of a graphite exchanger in a silica sand process according to the present invention;

FIG. 7 is a schematic diagram of the overall structure of a heating device of a graphite exchanger in a quartz sand processing process according to the present invention;

FIG. 8 is a schematic diagram of the overall structure of the stirring mechanism of the graphite exchanger in the quartz sand processing technology according to the present invention;

FIG. 9 is a schematic view of the overall structure of an acid and water inlet device in the quartz sand processing technology according to the present invention;

FIG. 10 is a schematic view of the overall structure of the first mounting seat of the acid and water inlet device in the quartz sand processing technology according to the present invention;

FIG. 11 is a distribution diagram of the spray holes of the acid inlet and water inlet device in the quartz sand processing technology according to the present invention;

FIG. 12 is an overall view of a circulation tank in the quartz sand processing method according to the present invention;

FIG. 13 is a structural view of an installation pipe of a circulation tank in the quartz sand processing technology according to the present invention;

FIG. 14 is a sectional front view structural diagram of a fixed block of a circulation tank in the quartz sand processing technology according to the present invention;

FIG. 15 is a schematic view of the overall structure of an acid purifier used in the quartz sand processing method according to the present invention;

FIG. 16 is a cross-sectional view of an acid purifier used in a silica sand manufacturing process according to the present invention;

FIG. 17 is a top view of a mounting bracket for an acid purifier used in a silica sand manufacturing process according to the present invention;

FIG. 18 is a cross-sectional view of a cleaning tank in a quartz sand processing method according to the present invention;

FIG. 19 is a schematic view of the internal structure of the cleaning tank body in the quartz sand processing technology according to the present invention;

fig. 20 is a schematic view of the overall structure of the filter plate of the cleaning tank in the quartz sand processing technology of the invention.

In the figure: 11. a fluidized bed vertical cylinder; 12. fluidized bed cone barrel; 13. a cylinder cover; 14. a feed inlet; 15. A flow stabilizing barrel; 151. a feeding port; 152. an overflow trough; 153. a drain pipe; 154. an acid discharge pipe; 155. A spoiler; 156. 1, connecting a plate; 16. an acid inlet and water inlet device; 17. filtering with a screen; 171. a sand discharge pipe; 18. a discharge outlet; 19. a lower filter opening; 110. supporting legs; 111. an exhaust gas outlet; 112. a sampling port; 113. a separate water injection port; 114. a liquid level meter mounting port; 01. a first mounting seat; 011. mounting a plate; 012. a support plate; 013. a screw hole; 014. a fixed seat; 015. a semi-cylindrical groove; 02. an annular tube; 03. an acid inlet pipe; 04. a U-shaped pipe; 05. a second mounting seat; 06. a main pipe; 07. pipe distribution; 08. a vertical tube; 09. spraying a hole: 21. a base; 22. a heating tank; 23. a pillar; 24. a heating device; 241. a graphite heating plate; 2411. a vertical slot; 242. an anode plate; 243. a cathode plate; 244. a first mounting plate; 245. a first mounting hole; 246. mounting blocks; 247. a second mounting hole; 25. A feed pipe; 26. a first discharge pipe; 28. a stirring mechanism; 281. a shaft lever; 282. stirring blades; 41. A circulation tank body; 42. installing a pipe; 43. a flange plate; 44. a cover plate mechanism; 441. a cover plate; 442. An elastic sealing gasket; 443. a transverse plate; 444. an elastic steel sheet; 445. a right-angle triangular block; 45. a fixed block; 46. an insertion cavity; 47. blocking strips; 48. an accommodating through-hole; 49. an extrusion mechanism; 491. an extrusion stem; 492. a compression spring; 493. a fixing ring; 410. a support block; 411. an elastic cushion pad; 412. An L-shaped rod; 50. a mounting frame; 501. an outer mounting ring; 502. a support bar; 503. mounting a plate; 504. Mounting grooves; 51. a vertical barrel; 511. an inclined tube; 52. a conical barrel; 53. supporting legs; 54. an overflow port; 55. an overflow trough; 56. an acid discharge pipe; 57. a feed pipe; 58. a sand discharge pipe; 59. an overflow bucket; 591. a conical feed hopper; 61. a tank body; 62. a motor; 621. a drive shaft; 622. a stirring mechanism; 6221. a connecting rod; 6222. a stirring paddle; 623. filtering the plate; 6231. a bearing seat; 6232. a fixed block; 6233. a screw hole; 63. a pH meter; 64. supporting legs; 66. an inlet pipe; 67. a water inlet pipe; 68. a primary blanking pipe; 69. a secondary blanking pipe; 610. and a third-stage discharging pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The specific embodiment is as follows:

referring to fig. 1-20, the present invention relates to a quartz sand processing method, which comprises the following steps:

And (2) purifying the acid overflowing from the fluidized bed in an acid purifier, storing the purified acid in a circulating tank, and injecting the purified acid into a graphite exchanger for heating when the acid needs to be used, so that the acid can be recycled, and the cost input is reduced.

The cleaning and dehydrating process in the step (4) can be repeated for multiple times, the pH value of the quartz sand is ensured to be 6-8 after dehydration is finished, so that a neutral quartz sand finished product can be obtained, and the production quality of the quartz sand can be improved through multiple times of cleaning and dehydrating.

The fluidized bed conical barrel is characterized by comprising a fluidized bed vertical barrel 11 and a fluidized bed conical barrel 12, wherein the fluidized bed conical barrel 12 is fixedly connected to the lower end of the fluidized bed vertical barrel 11, the fluidized bed vertical barrel 11 is communicated with the interior of the fluidized bed conical barrel 12, a barrel cover 13 is fixedly installed at the upper end of the fluidized bed vertical barrel 11 in a sealing manner, a feed inlet 14 is formed in the middle of the upper end of the barrel cover 13, a steady flow barrel 15 is arranged at the upper part of an inner cavity of the fluidized bed vertical barrel 11, an acid inlet and water inlet device 16 is arranged at the lower part of the inner cavity of the fluidized bed vertical barrel 11, a plurality of supporting legs 110 are fixedly installed on the outer side of the fluidized bed conical barrel 12 in an annular array manner, a lower filter opening 19 is; the interior of the steady flow barrel 15 is of a hollow cylindrical structure, the middle of the upper end of the steady flow barrel 15 is provided with a blanking port 151, the outer side of the upper end of the steady flow barrel 15 is provided with an overflow groove 152, the upper part of the outer surface of the steady flow barrel 15 is fixedly connected with a drain pipe 153 and an acid discharge pipe 154, the outer wall of the steady flow barrel 15 is welded on the upper part of the inner wall of the vertical barrel 11 of the fluidized bed, the drain pipe 153 is used for preventing overflow in the cleaning process, the acid discharge pipe 154 can prevent acid overflow, and the acid; the overflow groove 152 is an inclined groove with a high left and a low right, the drain pipe 153 and the acid discharge pipe 154 are both communicated with the lowest part of the overflow groove 152, one end of the drain pipe 153 and one end of the acid discharge pipe 154, which are far away from the steady flow barrel 15, penetrate through the side wall of the fluidized bed vertical barrel 11 and extend to the outer side of the fluidized bed vertical barrel, and the overflow groove 152 is obliquely arranged, so that water or acid liquid entering the overflow groove 152 can be smoothly discharged; the inner diameter of the feed opening 151 is larger than that of the feed opening 14, and the feed opening 151 is positioned right below the feed opening 14, so that quartz sand entering from the feed opening 14 can directly enter the flow stabilizing barrel 5; a plurality of connecting plates 156 are fixedly arranged on the lower portion of the inner cavity of the steady flow barrel 15 in an annular array mode, a spoiler 155 is fixedly arranged on one side, away from the barrel wall of the steady flow barrel 15, of each connecting plate 156, quartz sand enters the steady flow barrel 15 and then falls to the upper end of the spoiler 155 to be stacked together, and after being stacked to a certain height, the quartz sand falls from gaps among the connecting plates 156, so that sand splashing can be avoided; advance sour water installations 16 and include 01, ring pipe 02, advance sour inlet tube 03, U type pipe 04, second mount pad 05 and vertical pipe 08, its characterized in that of first mount pad: the acid inlet pipe 03 is fixedly connected to the rear end of the annular pipe 02, the vertical pipe 08 is fixedly connected to one end, far away from the annular pipe 02, of the acid inlet pipe 03, the U-shaped pipe 04 is fixedly connected to one end, far away from the acid inlet pipe 03, of the vertical pipe 08, and the main pipe 06 and the branch pipes 07 are fixedly arranged on the inner side of the annular pipe 02; the first mounting seat 01 comprises a mounting plate 011 and a supporting plate 012, a plurality of fixing seats 014 are fixedly mounted at the upper end of the supporting plate 012 at equal intervals, screw holes 013 penetrating from left to right are formed in the side surface of the mounting plate 011, bolts are inserted into the screw holes 013 to fixedly connect the first mounting seat 01 and the second mounting seat 05 with the fluidized bed body, the second mounting seat 05 and the first mounting seat 01 are identical in structure, the first mounting seat 01 and the second mounting seat 05 are arranged to facilitate corresponding support of the whole annular tube 02 and ensure that the annular tube 02 is fixed relative to the fluidized bed body, a semi-cylindrical groove 015 is formed in the middle of the upper end of each fixing seat 014, the diameter size of the cross section of the annular tube 02 is matched with the size of the semi-cylindrical groove 015, the annular tube 02 is clamped in the plurality of semi-cylindrical grooves 015 and is fixedly mounted between the first mounting seat 01 and the second mounting seat 05, the annular pipe 02 can be connected and fastened with the first mounting seat 01 and the second mounting seat 05; the branch pipes 07 are welded at the lower end of the main pipe 06, the branch pipes 07 are communicated with the interior of the main pipe 06, the main pipe 06 and the branch pipes 07 are equally spaced and provided with a plurality of groups, the main pipe 06 and the branch pipes 07 are mutually vertical, the lower ends of the main pipe 06 and the branch pipes 07 are equally spaced and provided with a plurality of spray holes 09, and acid or water can be sprayed downwards through the spray holes 09 on the branch pipes 07 and the main pipe 06; the spraying holes 09 are obliquely arranged at an angle of 20 degrees with the vertical direction, the spraying holes 09 are centrally and symmetrically distributed with the axial direction of the annular pipe 02, when water or acid is sprayed into the fluidized bed, the spraying holes 09 form an angle of 20 degrees with the vertical direction, sand can be obliquely and downwards flushed to be upwards rolled, and the fluidized state of the sand is achieved, so that the efficiency is high; a sand discharge pipe 171 is fixedly installed on the outer conical surface of the fluidized bed conical barrel 12, the sand discharge pipe 171 is located on one side, far away from the discharge port 18, of the fluidized bed conical barrel 12, two filter screens 7 are arranged, the filter screens 17 located above the two filter screens are fixedly installed on the fluidized bed vertical barrel 11 and the fluidized bed conical barrel 12, the sand discharge pipe 171 is located between the two filter screens 17, and the sand discharge pipe 171 can discharge sand in the fluidized bed; the upper end of the cylinder cover 13 is also provided with a waste gas outlet 111, two independent water injection ports 113, a sampling port 112, a liquid level meter mounting port 114 and a thermometer mounting port 115, the waste gas outlet 111 is used for connecting a waste gas collecting pipeline, waste gas purification treatment is convenient to carry out, the water injection ports 113 are used for water injection, the sampling port 112 is convenient for sampling at any time, and the liquid level meter mounting port 114 is convenient for mounting a radar liquid level meter.

The graphite exchanger comprises a base 21 and a heating tank 22, wherein four supporting columns 23 are fixedly arranged on the lower portion of the outer surface of the heating tank 22 in an annular array mode, one ends, far away from the heating tank 22, of the four supporting columns 23 are fixedly arranged at four corners of the upper end of the base 21 respectively, a heating device 24 and a stirring mechanism 28 are arranged in the heating tank 22, the upper portion of the rear end of the heating tank 22 is fixedly connected with a feeding pipe 25, and the middle portion of the lower end of the heating tank 22 is fixedly connected with a first; the heating device 24 comprises two graphite heating plates 241, two graphite heating plates 241 are arranged, two sides of the upper ends of the two graphite heating plates 241 are fixedly connected with an anode plate 242 and a cathode plate 243 respectively, the upper ends of the anode plate 242 and the cathode plate 243 are fixedly connected with a first mounting plate 244, the upper portion of the right end and the lower portion of the right end of the first mounting plate 244 are provided with a first mounting hole 245 which penetrates left and right, and the two graphite heating plates 241 can generate heat after being electrified, so that the heating purpose is achieved; the upper part of the tank wall of the inner cavity of the heating tank 22 is fixedly connected with four mounting blocks 246, the positions of the four mounting blocks 246 correspond to the positions of the four first mounting plates 244 one by one, one side, away from the tank wall of the heating tank 22, of each of the four mounting blocks 246 is provided with second mounting holes 247 matched with the positions and the number of the first mounting holes 245, a flat head screw is commonly inserted and connected in each group of the matched first mounting holes 245 and second mounting holes 247 in a threaded manner to fixedly connect the heating device 24 and the heating tank 22 together, so that the whole heating device 24 is convenient to detach and install, and when the graphite heating plate 241 is damaged, the graphite heating plate 241 is convenient to replace; the graphite heating plate 241 has an arc-shaped plate structure, the upper end and the lower end of the graphite heating plate 241 are provided with a plurality of vertical grooves 411 in a staggered manner, and the surface area of the graphite heating plate 241 can be increased by arranging the plurality of vertical grooves 411, so that the heat exchange area can be increased, and the heating rate can be effectively increased; the stirring mechanism 28 comprises a shaft lever 281 and stirring blades 282, the upper end of the shaft lever 281 is mounted in the middle of the top wall of the inner cavity of the heating tank 22 through an annular bearing movable rod, a plurality of stirring blades 282 are arranged, and an annular array is fixedly mounted on the outer surface of the shaft lever 281, when the shaft lever 281 rotates, the stirring blades 282 fixedly mounted on the outer surface of the shaft lever 281 on the annular array can rotate, so that the stirring purpose can be achieved, and the retention time of the quartz sand in the heating tank can be prolonged to a certain extent; the anode plate 242 and the cathode plate 243 are both electrically connected with the electric cabinet 7, the electric cabinet 7 is electrically connected with 220V mains supply, and when the graphite heating plate 241 is electrified, the high resistance of the graphite heating plate 241 can cause the body of the graphite heating plate 241 to generate heat, so that the heating purpose can be achieved; the feeding pipe 25 is communicated with the interior of the heating tank 22, the joint of the feeding pipe 25 and the heating tank 22 deviates from the shaft 281 and is aligned with the stirring blades 282, and the quartz sand fed into the heating tank 22 through the pressure pump impacts the stirring blades 282 which are aligned with the outlet of the heating tank, so that the stirring blades 282 and the shaft 281 can rotate, the motor is not used for driving, and the economic benefit is improved.

The acid inlet and water inlet device 6 comprises a first mounting seat 31, an annular spraying main pipe 32, an acid inlet pipe 33, a spraying assembly 34 and a second mounting seat 35; the first mounting seat 31 comprises a second mounting plate 11, the second mounting plate 11 is of an arc-shaped structure, a supporting plate 12 is fixedly mounted at the lower part of one end, close to the first mounting seat 31, of the second mounting plate 11, and the supporting plate 12 and the second mounting plate 11 are of an integrally formed structure; the shower assembly 34 includes a siphon elbow 341, an upper communicating pipe 342, a lower communicating pipe 343, a vertical pipe 344, and a shower head 345; the vertical pipe 344 and the vertical portion of the siphon elbow 341 are parallel to each other, the upper communication pipe 342 and the lower communication pipe 343 are fixedly connected between the vertical pipe 344 and the siphon elbow 341, the upper communication pipe 342 is positioned above the lower communication pipe 343, and the spray head 345 is positioned and fixedly installed at the upper end of the vertical pipe 344. After entering the siphon 41, the acid solution is sprayed out from the spray head through the upper communicating pipe 342, the lower communicating pipe 343, the vertical pipe 344 and the spray head 345 in sequence, and due to the arrangement of the siphon bent pipe 341, sand can be prevented from entering the spray head 345 in a limited manner by utilizing the siphon principle.

The circulation tank comprises a circulation tank body 41, a plurality of groups of supporting blocks 410 are arranged at the bottom of the circulation tank body 41, elastic buffer cushions 411 are fixed at the bottoms of the groups of supporting blocks 410, a plurality of groups of mounting pipes 42 are arranged at the upper end of the circulation tank body 41, flange plates 43 are arranged on the groups of mounting pipes 42, fixing blocks 45 are welded on the outer walls of the groups of flange plates 43, inserting cavities 46 are formed in the inner cavities of the fixing blocks 45, L-shaped rods 412 are arranged on the groups of mounting pipes 42, cover plate mechanisms 44 are rotatably arranged at the upper ends of the L-shaped rods 412, the cover plate mechanisms 44 are inserted into the fixing blocks 45, the inner cavities of the fixing blocks 45 are bilaterally symmetrically provided with accommodating through holes 48, and; the cover plate mechanism 44 comprises a cover plate 441, an elastic sealing gasket 442 is fixed at the bottom of the cover plate 441, the lower end of the elastic sealing gasket 442 is abutted against the upper end of the flange plate 43, a transverse plate 443 is fixed on the outer wall of the cover plate 441, elastic steel sheets 444 are symmetrically arranged at the bottom of the transverse plate 443, right-angled triangular blocks 445 are fixed at the lower ends of the two groups of elastic steel sheets 444, the lower ends of the two groups of elastic steel sheets 444 are located in the inner cavity of the inserting cavity 46 of the fixing block 45, the inner inclination of the installation pipe 42 can be sealed through the cover plate 441, dust can be prevented from entering the inner cavity of the circulation tank body 41, pollution to the inner cavity of the circulation tank body 41 is avoided, the contact sealing effect of the cover plate 441 and the flange plate 43 can be enhanced through the elastic sealing gasket 442, and the cover plate 441 is fixed through the inserting; the inner cavity wall of the plug-in cavity 46 of the fixed block 45 is symmetrically provided with barrier strips 47, two groups of elastic steel sheets 444 are positioned between the two groups of barrier strips 47, the upper ends of the two groups of right-angle triangular blocks 445 are respectively abutted against the lower ends of the two groups of barrier strips 47, and the lower ends of the barrier strips 47 are abutted against the upper ends of the right-angle triangular blocks 445, so that the elastic steel sheets 444 are fixed, and finally the cover plate 441 is fixed; the extruding mechanism 49 comprises a fixing ring 493 and an extruding rod 491, the fixing ring 493 is fixed in the inner cavity of the accommodating through hole 48, the extruding rod 491 is positioned at the outer side of the fixing block 45, and one end of the extrusion rod 491 close to the fixed block 45 passes through the inner ring of the fixed ring 493 and extends into the plug-in cavity 46, the extrusion rod 491 is sleeved with an extrusion spring 492, and both ends of the extrusion spring 492 are respectively fixedly connected with the fixed ring 493 and the extrusion rod 491, by pressing the two sets of pressing rods 491 at the same time, the pressing rods 491 move to compress the pressing spring 492, so that one end of the extrusion rod 491 in the insertion cavity 46 is pressed against the outer wall of the right-angle triangular block 445 and the two sets of right-angle triangular blocks 445 drive the two sets of elastic steel sheets 444 to gather together, the lower end of the barrier strip 47 can be contacted and separated with the upper end of the right-angled triangular block 445, and the cover plate 441 can be rotated at the moment, so that the sealing of the cover plate 441 on the installation pipe 42 is released; the extrusion rod 491 comprises a first rod body and a second rod body, the first rod body is positioned at the outer side of the fixed block 45, one end of the first rod body close to the fixed block 45 is fixedly connected with the second rod body, the diameter of the first rod body is larger than that of the second rod body, one end of the second rod body far away from the first rod body penetrates through the fixed ring 493 and extends to the inner cavity of the plug-in cavity 46, and two ends of the extrusion spring 492 are respectively fixedly connected with the first rod body and the fixed ring 493; the cover plate 441 has a diameter larger than that of the flange 43, and an elastic gasket 442 provided at the bottom of the cover plate 441 is fixedly attached thereto by an adhesive.

The acid purifier comprises a vertical barrel 51 and a conical barrel 52, and is characterized in that: the vertical barrel 51 is fixedly arranged at the upper end of the conical barrel 52, the vertical barrel 51 and the conical barrel 52 are of an integrated structure, three groups of supporting legs 53 are fixedly arranged on the outer arc surface annular array of the conical barrel 52, the lower part of the outer arc surface of the conical barrel 52 is fixedly connected with a feeding pipe 57, the upper part of the outer surface of the vertical barrel 51 is fixedly provided with an acid discharge pipe 56, the lower end of the conical barrel 52 is fixedly connected with a sand discharge pipe 58, the middle part of the upper end of the vertical barrel 51 is provided with an overflow port 54, the outer side of the upper end surface of the vertical barrel 51 is provided with an overflow groove 55, and the vertical barrel 51 is internally; the overflow groove 55 is an inclined groove with a height from left to right, the inclined included angle between the overflow groove 55 and the horizontal plane is 30 degrees, the inside of the overflow groove 55 of the acid discharge pipe 56 is communicated, the joint of the acid discharge pipe 56 and the vertical barrel 51 and the lower side of the groove wall at the bottom of the overflow groove 55 are positioned on the same horizontal plane, the inner groove walls of the overflow groove 55 are provided with acid corrosion resistant layers, and clean acid can overflow from the overflow port 54 and enter the overflow groove 55 through the arrangement of the overflow groove 55; the mounting rack 50 comprises an outer mounting ring 501, a plurality of supporting rods 502 which are parallel to each other are fixedly mounted on the inner side wall of the outer mounting ring 501 at equal intervals, a mounting plate 503 is fixedly mounted at the middle parts of the four supporting rods 502 which are positioned in the middle part of the inner cavity of the outer mounting ring 501, a mounting groove 504 which penetrates through the mounting plate from top to bottom is formed in the middle part of the upper end of the mounting plate, and the mounting rack 50 can play a good supporting role for the inclined tube 511 and is convenient for mounting; the support rod 502, the outer mounting ring 501 and the mounting plate 503 are all welded, the outer surface of the outer mounting ring 501 is welded on the inner wall of the vertical barrel 51 to fixedly mount the mounting frame 50 in the middle of the inner cavity of the vertical barrel 51, and the outer surfaces of the support rod 502, the outer mounting ring 501 and the mounting plate 503 are all provided with acid corrosion resistant layers, so that the acid corrosion resistance of the mounting frame 50 is improved.

The cleaning tank comprises a tank body 61, a motor 62 is fixedly arranged in the middle of the right end of the tank body 61 through a bolt, a PH meter 63 is fixedly arranged on the right part of the upper end of the tank body 61, four support legs 64 are fixedly arranged on the lower end of the tank body 61 in a rectangular array manner and play a supporting role on the whole tank body 61, an inlet pipe 66 and an inlet pipe 67 are fixedly arranged on the left part of the upper end of the tank body 61, the inlet pipe 67 is positioned on the right side of the inlet pipe 66, a primary discharging pipe 68, a secondary discharging pipe 69 and a tertiary discharging pipe 610 are fixedly connected to the lower end of the tank body 61 from left to right in sequence, and the primary discharging pipe 68; the output end of the motor 62 is fixedly provided with a transmission shaft 621, one end of the transmission shaft 621, which is far away from the motor 62, penetrates through the right side wall of the tank body 61 and extends to the inner cavity of the right side wall and is movably connected with the left side wall of the tank body 61 through a bearing, three stirring mechanisms 622 and two filter plates 623 are arranged on the outer wall of the part, which is positioned in the tank body 61, of the transmission shaft 621, the three stirring mechanisms 622 and the two filter plates 623 are alternately distributed, and the motor 62 can drive the transmission shaft 621 to rotate so as to; the stirring mechanism 622 comprises a plurality of connecting rods 6221 and stirring paddles 6222, the connecting rods 6221 are arranged, the plurality of connecting rods 6221 are fixedly connected to the outer surface of the transmission shaft 621 in an annular array manner, the number of the stirring paddles 6222 is equal to that of the connecting rods 6221, the plurality of stirring paddles 6222 are respectively and fixedly connected to one end, far away from the transmission shaft 621, of each connecting rod 6221, and when the stirring mechanism 622 rotates, quartz sand and water entering the tank body 61 can be stirred through the stirring paddles 6222, so that the quartz sand and the water are uniformly mixed; a bearing seat 6231 is fixedly embedded in the center of the filter plate 623, the transmission shaft 621 penetrates and is fixedly connected into the bearing seat 6231 to movably connect the filter plate 623 and the transmission shaft 621 together, a plurality of fixing blocks 6232 are fixedly arranged on the outer sides of the left end and the right end of the filter plate 623 in an annular array manner, two penetrating screw holes 6233 are formed in the vertical surfaces of each fixing block 6232 and the filter plate 623, the filter plate 623 can not rotate along with the rotation of the transmission shaft 621 by the aid of the bearing seat 6231, and the fixing blocks 6232 and the screw holes 6233 facilitate the installation of the filter plate 623; the joints of the first-stage discharging pipe 68, the second-stage discharging pipe 69 and the tank body 61 are respectively positioned at the left sides of the two filter plates 623, and the joint of the third-stage discharging pipe 610 and the tank body 61 is positioned at the left side of the right tank wall of the tank body 61, so that the quartz sand is discharged in a grading manner; the PH sensing end of the PH meter 63 penetrates through the tank body 61 and extends to the lower part of the inner cavity of the tank body 61 to be obliquely arranged in a manner that the height of the tank body 61 is higher than the height of the tank body, and the included angle between the tank body 61 and the horizontal plane is 25 degrees, so that the gravity of quartz sand can be fully utilized, and the material can be conveniently discharged; the diameter of the meshes of the filter plate 623 on the left side is larger than that of the meshes of the filter plate 623 on the right side, so that classified filtration can be realized, and the quality of a finished product is improved.

When the quartz sand is subjected to heat preservation in the fluidized bed after acid pickling, the temperature in the fluidized bed is controlled at 75 ℃, so that the acid pickling quality is effectively improved.

According to the invention, the structure of the fluidized bed is technically improved, so that redundant acid can overflow during acid washing, and the acid is recovered and purified through the acid purifier, wherein the acid purifier is novel in structure, can effectively purify and recover the overflowing acid and can be stored in the circulating tank for later use, the circulating tank is good in sealing property, dust and other impurities can enter the tank body to cause the acid in the tank body to be polluted, the acid liquid in the circulating tank can be circularly injected into the graphite exchanger for heating and reutilization according to the actual use requirement during use, the graphite heating plate structure in the graphite exchanger is redesigned, the heating capacity of the graphite exchanger can be greatly improved, so that the working efficiency is improved, the washed quartz sand is subjected to heat preservation for three hours at 75 ℃ in the fluidized bed, and then the acid liquid is recovered through vacuum filtration, and then cleaning by injecting water through the acid inlet water inlet device, effectively avoiding sand from entering the spray head to cause spray head blockage by utilizing a siphon principle through the arrangement of a siphon elbow, enabling the quartz sand after cleaning and dehydration to enter the cleaning tank again for cleaning, adjusting the pH value of the quartz sand to be between 6 and 8, and dehydrating to obtain a quartz sand finished product.

It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.

In addition, those skilled in the art will appreciate that all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing associated hardware, and the corresponding program may be stored in a computer-readable storage medium.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A quartz sand processing technology is characterized in that; the method comprises the following specific steps:

2. The quartz sand processing technology according to claim 1, characterized in that: and (2) purifying the acid overflowing from the fluidized bed in an acid purifier, and storing the purified acid in a circulating tank so as to realize secondary utilization of the acid.

3. The quartz sand processing technology according to claim 1, characterized in that: the cleaning and dehydrating process in the step (4) can be repeated for many times, and the pH value of the quartz sand is ensured to be 6-8 after dehydration.

4. The quartz sand processing technology according to claim 1, characterized in that: comprises a fluidized bed vertical cylinder (11) and a fluidized bed conical barrel (12), the fluidized bed conical barrel (12) is fixedly connected with the lower end of the fluidized bed vertical cylinder (11), the fluidized bed vertical cylinder (11) is communicated with the interior of the fluidized bed conical barrel (12), the upper end of the fluidized bed vertical cylinder (11) is fixedly provided with a cylinder cover (13) in a sealing way, a feed inlet (14) is arranged in the middle of the upper end of the cylinder cover (13), a steady flow barrel (15) is arranged at the upper part of the inner cavity of the fluidized bed vertical cylinder (11), an acid inlet and water inlet device (16) is arranged at the lower part of the inner cavity of the fluidized bed vertical cylinder (11), a plurality of supporting legs (110) are fixedly arranged on the conical surface annular array at the outer side of the fluidized bed conical barrel (12), the fluidized bed cone barrel is characterized in that a lower filter opening (19) is fixedly arranged at the lower end of the fluidized bed cone barrel (12), a discharge opening (18) is fixedly connected to the outer side conical surface of the fluidized bed cone barrel (12), and a filter screen (17) is arranged in the fluidized bed cone barrel (12).

The inner part of the steady flow barrel (15) is of a hollow cylindrical structure, the middle part of the upper end of the steady flow barrel (15) is provided with a feed opening (151), the outer side of the upper end of the steady flow barrel (15) is provided with an overflow groove (152), the upper part of the outer surface of the fluidized bed vertical barrel (11) is fixedly connected with a drain pipe (153) and an acid discharge pipe (154), and the outer wall of the steady flow barrel (15) is welded on the upper part of the inner wall of the fluidized bed vertical barrel (11).

The overflow groove (152) is an inclined groove with a high left and a low right, the drain pipe (153) and the acid discharge pipe (154) are communicated with the lowest part of the overflow groove (152), and one ends of the drain pipe (153) and the acid discharge pipe (154) far away from the steady flow barrel (15) penetrate through the side wall of the fluidized bed vertical cylinder (11) and extend to the outer side of the fluidized bed vertical cylinder.

The inner diameter of the feed opening (151) is larger than that of the feed opening (14), and the feed opening (151) is located under the feed opening (14).

A plurality of connecting plates (156) are fixedly installed on the annular array at the lower portion of the inner cavity of the steady flow barrel (15), and a spoiler (155) is fixedly installed on one side, far away from the barrel wall of the steady flow barrel (15), of each connecting plate (156).

Including first mount pad (01), ring pipe (02), advance sour inlet tube (03), U type pipe (04), second mount pad (05) and vertical pipe (08), its characterized in that: draw together first mount pad (01) and second mount pad (05) and be located the toroidal tube (02) left and right sides respectively, advance sour inlet tube (03) fixed connection in toroidal tube (02) rear end, vertical pipe (08) fixed connection is in the one end of advancing sour inlet tube (03) and keeping away from toroidal tube (02), U type pipe (04) fixed connection is in the one end of vertical pipe (08) keeping away from into sour inlet tube (03), toroidal tube (02) inboard fixed mounting has and is provided with person in charge (06) and divides pipe (07).

The first mounting seat (01) comprises a mounting plate (011) and a supporting plate (012), a plurality of fixed seats (014) are fixedly arranged at the upper end of the supporting plate (012) at equal intervals, the side surfaces of the mounting plates (011) are respectively provided with a screw hole (013) which is penetrated through from left to right, the screw holes (013) are respectively penetrated with a bolt in a threaded connection way to fixedly connect the first mounting seat (01) and the second mounting seat (05) with the fluidized bed body, the second mounting seat (05) has the same structure as the first mounting seat (01), the middle part of the upper end of the fixed seat (014) is provided with a semi-cylindrical groove (015), the diameter size of the section of the annular pipe (02) is matched with the size of the semi-cylindrical groove (015), the annular pipe (02) is clamped in the plurality of semi-cylindrical grooves (015) and is fixedly installed between the first installation seat (01) and the second installation seat (05) through a fixing seat (014).

Divide pipe (07) all to weld and be responsible for (06) lower extreme, and divide pipe (07) and be responsible for (06) inside communicating with each other, be responsible for (06) and divide pipe (07) equidistance and be provided with a plurality of group, and be responsible for (06) and divide pipe (07) mutually perpendicular, be responsible for (06) and divide pipe (07) lower extreme equidistance and seted up a plurality of orifice (09).

The spray holes (09) are obliquely arranged at an angle of 20 degrees with the vertical direction, and the spray holes (09) are distributed in central symmetry with the axis direction of the annular pipe (02).

Fluidized bed awl bucket (12) outside conical surface fixed mounting has one to arrange husky pipe (171), it lies in fluidized bed awl bucket (12) and keeps away from one side of bin outlet (18) to arrange husky pipe (171), filter screen (17) are provided with two, and are located filter screen (17) fixed mounting of top between fluidized bed vertical cylinder (11) and fluidized bed awl bucket (12), it is located between two filter screens (17) to arrange husky pipe (171).

The upper end of the cylinder cover (13) is also provided with a waste gas outlet (111), two independent water injection ports (113), a sampling port (112) and a liquid level meter mounting port (114).

5. The quartz sand processing technology according to claim 1, characterized in that: graphite exchanger includes base (21) and heating jar (22), heating jar (22) surface lower part annular array fixed mounting has four pillars (23), be provided with heating device (24) and rabbling mechanism (28) in heating jar (22), inlet pipe (25) of heating jar (22) rear end upper portion fixedly connected with, discharging pipe (26) of heating jar (22) lower extreme middle part fixedly connected with.

Heating device (24) include graphite hot plate (241), graphite hot plate (241) are provided with two, and the upper end both sides of two graphite hot plates (241) are fixedly connected with anode plate (242) and negative plate (243) respectively, equal fixedly connected with mounting panel (244) in anode plate (242) and negative plate (243) upper end, mounting panel (244) right-hand member upper portion and right-hand member lower part all set up one about first mounting hole (245) of break-over.

Four installation pieces (246), four of heating jar (22) inner chamber jar wall upper portion fixedly connected with the position of installation piece (246) and the position one-to-one of four installation boards (244), and four installation pieces (246) keep away from one side of heating jar (22) jar wall all offer with position and quantity assorted second mounting hole (247) of first mounting hole (245), every group assorted all interpenetrate threaded connection together in first mounting hole (245) and second mounting hole (247) has a grub screw with heating device (24) and heating jar (22) fixed connection together.

Graphite hot plate (241) arc platelike structure, and graphite hot plate (241) upper end and lower extreme all crisscross the distribution and have seted up a plurality of vertical groove (2411).

The stirring mechanism (28) comprises a shaft lever (281) and stirring blades (282), the upper end of the shaft lever (281) is installed in the middle of the top wall of the inner cavity of the heating tank (22) through an annular bearing movable rod, the stirring blades (282) are provided with a plurality of stirring blades, and the annular arrays are fixedly installed on the outer surface of the shaft lever (281).

6. The quartz sand processing technology according to claim 1, characterized in that: the circulating tank comprises a circulating tank body (41), a plurality of groups of supporting blocks (410) are arranged at the bottom of the circulating tank body (41), elastic buffer cushions (411) are fixed at the bottoms of the supporting blocks (410), a plurality of groups of installation pipes (42) are arranged at the upper end of the circulation tank body (41), the plurality of groups of installation pipes (42) are all provided with flange plates (43), the outer walls of the plurality of groups of flange plates (43) are all welded with fixing blocks (45), the inner cavities of the fixing blocks (45) are provided with inserting cavities (46), the plurality of groups of installation pipes (42) are all provided with L-shaped rods (412), the upper ends of the L-shaped rods (412) are rotatably provided with cover plate mechanisms (44), the cover plate mechanism (44) is connected with the fixing block (45) in an inserting mode, and the inner cavity of the fixing block (45) is provided with the containing through holes (48) in a bilateral symmetry mode, and the inner cavity of each containing through hole (48) is provided with the extrusion mechanisms (49).

The apron mechanism (44) is including apron (441), the bottom of apron (441) is fixed with the upper end of the lower extreme of the sealed pad of elasticity (442) and ring flange (43) and is inconsistent, the bottom that is fixed with diaphragm (443) and diaphragm (443) on the outer wall of apron (441) is the symmetry and is equipped with elastic steel piece (444), and is two sets of elastic steel piece (444)'s lower extreme all is fixed with right angle triangle piece (445), and the lower extreme of two sets of elastic steel piece (444) all is located the inner chamber in grafting chamber (46) of fixed block (45).

Be bilateral symmetry on the inner chamber wall in grafting chamber (46) of fixed block (45) and be equipped with blend stop (47), two sets of elastic steel piece (444) are located between two sets of blend stop (47), and the upper end of two sets of right angle triangle blocks (445) is inconsistent with the lower extreme of two sets of blend stop (47) respectively.

The extrusion mechanism (49) comprises a fixing ring (493) and an extrusion rod (491), the fixing ring (493) is fixed in an inner cavity of the accommodating through hole (48), the extrusion rod (491) is located on the outer side of the fixing block (45), one end, close to the fixing block (45), of the extrusion rod (491) penetrates through an inner ring of the fixing ring (493) and extends into the insertion cavity (46), an extrusion spring (492) is sleeved on the extrusion rod (491), and two ends of the extrusion spring (492) are fixedly connected with the fixing ring (493) and the extrusion rod (491) respectively.

Extrusion pole (491) include the first body of rod and the second body of rod, the first body of rod is located the outside of fixed block (45), and the first body of rod is close to the one end and the second body of rod fixed connection of fixed block (45), the diameter of the first body of rod is greater than the diameter of the second body of rod, the inner chamber that solid fixed ring (493) and extended to grafting chamber (46) are passed to the one end that the first body of rod was kept away from to the second body of rod, the both ends of extrusion spring (492) respectively with the first body of rod and solid fixed ring (493) fixed connection.

7. The quartz sand processing technology according to claim 2, characterized in that: the acid purifier comprises a vertical barrel (51) and a conical barrel (52), and is characterized in that: the vertical barrel (51) is fixedly installed at the upper end of the conical barrel (52), the vertical barrel (51) and the conical barrel (52) are of an integrally formed structure, three groups of supporting legs (53) are fixedly installed on the outer side arc surface annular array of the conical barrel (52), a feeding pipe (57) is fixedly connected to the lower portion of the outer side arc surface of the conical barrel (52), an acid discharge pipe (56) is fixedly installed on the upper portion of the outer surface of the vertical barrel (51), a sand discharge pipe (58) is fixedly connected to the lower end of the conical barrel (52), an overflow opening (54) is formed in the middle of the upper end of the vertical barrel (51), an overflow groove (55) is formed in the outer side of the upper end of the vertical barrel (51), and an inclined pipe (511), an installation frame (50) and an overflow barrel (59) are arranged in the.

The overflow groove (55) is an inclined groove with a height from left to right, the inclined included angle between the overflow groove (55) and the horizontal plane is 30 degrees, the inside of the overflow groove (55) of the acid discharge pipe (56) is communicated, the joint of the acid discharge pipe (56) and the vertical barrel (51)) and the lower side of the groove wall at the bottom of the overflow groove (55) are positioned on the same horizontal plane, and the inner groove wall of the overflow groove (55) is provided with an acid corrosion resistant layer.

Mounting bracket (50) are including outer collar (501), outer collar (501) inside wall equidistance fixed mounting has a plurality of bracing pieces (502) that are parallel to each other, is located the common fixed mounting in four bracing pieces (502) middle parts at outer collar (501) inner chamber middle part and has a mounting panel (503), mounting panel (503) upper end middle part is seted up mounting groove (504) of a punch-through from top to bottom.

The support rod (502), the outer mounting ring (501) and the mounting plate (503) are connected in a welding mode, the outer surface of the outer mounting ring (501) is welded on the inner wall of the vertical barrel (51) to fixedly mount the mounting frame (50) in the middle of the inner cavity of the vertical barrel (51), and acid corrosion resistant layers are arranged on the outer surfaces of the support rod (502), the outer mounting ring (501) and the mounting plate (503).

8. The quartz sand processing technology according to claim 1, characterized in that: the cleaning tank comprises a tank body (61), a motor (62) is fixedly mounted in the middle of the right end of the tank body (61) through a bolt, a PH meter (63) is fixedly mounted on the right upper end of the tank body (61), four supporting legs (64) are fixedly mounted on the rectangular array of the lower end of the tank body (61), an inlet pipe (66) and an inlet pipe (67) are fixedly mounted on the left upper end of the tank body (61), and the lower end of the tank body (61) is sequentially fixedly connected with a first-level blanking pipe (68), a second-level blanking pipe (69) and a third-level blanking pipe (610) from left to right.

The output fixed mounting of motor (62) has a transmission shaft (621), the one end that motor (62) were kept away from in transmission shaft (621) runs through jar body (61) right side wall and extends to its inner chamber and be in the same place through bearing and jar body (61) left side wall swing joint, the part outer wall that transmission shaft (621) are located jar body (61) is provided with three rabbling mechanism (622) and two filter plates (623), and three rabbling mechanism (622) and two filter plates (623) distribute in turn.

Rabbling mechanism (622) includes connecting rod (6221) and stirring rake (6222), connecting rod (6221) is provided with a plurality of, and a plurality of connecting rod (6221) annular array fixed connection is in transmission shaft (621) surface, the quantity of stirring rake (6222) equals with the quantity of connecting rod (6221), and a plurality of stirring rake (6222) fixed connection respectively is in the one end that transmission shaft (621) was kept away from in connecting rod (6221).

Fixed mounting has a bearing frame (6231) to inlay at filter plate (623) center department, transmission shaft (621) alternate fixed connection with filter plate (623) and transmission shaft (621) fixed connection together in bearing frame (6231), the equal annular array fixed mounting in filter plate (623) left end outside and right-hand member outside has a plurality of fixed block (6232), and every fixed block (6232) and filter plate (623) perpendicular all set up screw (6233) of two break-throughs.

9. The quartz sand processing technology according to claim 1, characterized in that: and when the quartz sand is subjected to heat preservation in the fluidized bed after acid washing, the temperature in the fluidized bed is controlled at 75 ℃.