CN116571312B - Cinnabar water flystone mill and working method thereof - Google Patents
Cinnabar water flystone mill and working method thereof Download PDFInfo
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- CN116571312B CN116571312B CN202310842781.8A CN202310842781A CN116571312B CN 116571312 B CN116571312 B CN 116571312B CN 202310842781 A CN202310842781 A CN 202310842781A CN 116571312 B CN116571312 B CN 116571312B
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- cinnabar
- stone mill
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- pipe
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- 229910052956 cinnabar Inorganic materials 0.000 title claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 73
- 229910052742 iron Inorganic materials 0.000 claims abstract description 56
- 239000004575 stone Substances 0.000 claims abstract description 56
- 239000002245 particle Substances 0.000 claims abstract description 53
- 230000008569 process Effects 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000008213 purified water Substances 0.000 claims abstract description 9
- 241001155433 Centrarchus macropterus Species 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 51
- 239000012267 brine Substances 0.000 claims description 47
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 47
- 238000000926 separation method Methods 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 29
- 238000000227 grinding Methods 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 19
- 150000002730 mercury Chemical class 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 230000002441 reversible effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims 1
- 238000007885 magnetic separation Methods 0.000 abstract description 8
- 239000008187 granular material Substances 0.000 description 11
- 239000000725 suspension Substances 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001608 iron mineral Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910021646 siderite Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- QXKXDIKCIPXUPL-UHFFFAOYSA-N sulfanylidenemercury Chemical compound [Hg]=S QXKXDIKCIPXUPL-UHFFFAOYSA-N 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/16—Driving mechanisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a cinnabar water flystone mill which comprises a stone mill main body, wherein the stone mill main body comprises a bottom bracket, a stone mill component, a driving mechanism, a top bracket, a cinnabar hopper, a spiral conveying component, an iron removing component and a water adding component, wherein the spiral conveying component is horizontally arranged on a shrinkage discharge hole at the bottom of the cinnabar hopper, the iron removing component is arranged right below a discharge port of the spiral conveying component, and the iron removing component receives and slides downwards to convey cinnabar particles into a receiving hopper of the stone mill component; the iron removing component can adsorb and remove iron particles in the sliding-contact cinnabar particle materials; the water adding component is arranged on the top plate of the top bracket and can input purified water into the receiving hopper. The invention also discloses a working method of the cinnabar water flier stone mill. The invention can remove iron in the blanking process, omits the manual magnetic separation process, and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of cinnabar production equipment, in particular to a cinnabar water flier stone mill and a working method thereof.
Background
Water flying cinnabar: mixing Cinnabaris to be processed, placing in a container, adding appropriate amount of water, grinding into paste, adding water, stirring, and pouring out suspension. Repeatedly operating the residues for several times according to the above method, mixing the suspensions, standing, separating precipitate, drying, and grinding. Water-borne cinnabar has various benefits: when grinding, the cinnabar powder can be prevented from flying by adding water, and once people inhale the powder, poisoning is easy to occur. Therefore, the water herein acts as a "dust-proof agent". When grinding, water is added, so that the temperature rise caused by grinding can be prevented. Because mercury sulfide (HgS), the main component of cinnabar, is easily oxidized to toxic substances upon increasing the temperature, forming toxic Hg vapor. Therefore, the water herein acts as a "coolant". The stirring process also dissolves the highly toxic soluble mercury salts in water. Thus, the suspension is stirred and toxic mercury salts that are soluble in water are screened out of toxic soluble mercury salts in water.
In order to improve the production efficiency, more and more cinnabar manufacturers do not adopt a manual grinding mode to produce cinnabar powder, but adopt a stone mill to carry out water fly grinding. For example, the invention patent with publication number of CN110270429A is a prior application patent of the applicant, and discloses a technical scheme for carrying out water fly grinding by using a stone mill with more mature technology in the field of cinnabar production. However, the coarse crushed cinnabar particle raw material often needs to be subjected to magnetic separation on a material selecting table before being subjected to water fly grinding, so that scrap iron and iron minerals are removed, damage to stone grinding is avoided, and meanwhile, the purity of a product is improved. The magnetic separation process often needs the step-by-step magnetite sucking out of scrap iron and iron ore mixed in cinnabar particles by operating personnel in a tray-by-tray manner, wastes time and labor, and seriously influences the production efficiency of cinnabar powder.
In order to overcome the problems, a cinnabar water jet stone mill and a working method thereof are needed.
Disclosure of Invention
The invention aims to provide a cinnabar water flier stone mill and a working method thereof, which can remove iron in the blanking process, omit a manual magnetic separation process and greatly improve the working efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses a cinnabar water flying stone mill which comprises a stone mill main body, wherein the stone mill main body comprises a bottom bracket, a stone mill component, a driving mechanism, a top bracket, a cinnabar hopper, a spiral conveying component, an iron removing component and a water adding component, wherein the spiral conveying component is horizontally arranged on a shrinkage discharge hole at the bottom of the cinnabar hopper, the iron removing component is arranged right below a discharge port of the spiral conveying component, and the iron removing component receives and slides downwards to convey cinnabar particles into a receiving hopper of the stone mill component; the iron removing component can adsorb and remove iron particles in the sliding-contact cinnabar particle materials; the water adding component is arranged on the top plate of the top bracket and can input purified water into the receiving hopper.
Further, the spiral conveying assembly comprises an outer barrel, a speed reducing motor, a spiral shaft and a motor mounting plate, wherein the top of the outer barrel is welded on a discharging hole at the bottom of the cinnabar hopper, a feeding hole is formed in the outer barrel, the spiral shaft is coaxially arranged in the outer barrel, one end of the spiral shaft is coaxially connected with an output shaft of the speed reducing motor, and an opening of the outer barrel towards one end of the speed reducing motor is a discharging end; the gear motor flange is connected to the lower portion of the motor mounting plate, and the top of the motor mounting plate which is vertically arranged is arranged on the side wall of the cinnabar hopper.
Further, the iron removal assembly comprises a striker plate, a magnet and a back plate, wherein a lower folded edge for installation is arranged at one end of the striker plate, which faces towards the motor installation plate, and one end of the striker plate, which faces towards the discharge end of the outer cylinder, is obliquely arranged downwards and is positioned above the receiving hopper; the inclined part of the striker plate is provided with a plurality of bulges, the magnet is arranged in a groove on the bottom surface of the bulge, and the back plate is stacked on the back of the inclined part of the striker plate and is connected together by adopting a first bolt; the back plate blocks the magnet from falling out.
Further, the inclined part of the striker plate is a convex arc plate, the middle of the convex arc plate protrudes outwards towards the middle position of the discharge end of the outer cylinder, and two sides of the convex arc plate are retracted backwards.
Further, a return edge is arranged at the bottom edge of the inclined part of the striker plate, and the bottom edge of the backboard is inserted into the inner side of the return edge.
Further, the spiral conveying assembly further comprises a screen leakage cover, an auxiliary discharge hole is formed in the position, close to the discharge end, of the outer cylinder downwards, the screen leakage cover is mounted on the auxiliary discharge hole through screws, and the screen leakage cover is made of magnetic steel materials with magnetism; and the discharge of the sieve leakage cover also falls onto the iron removal component.
Further, the stone mill assembly further comprises a discharge elbow and a filtering separation pipe fitting, a material leakage hole is formed in one side of a discharge surrounding flange of the stone mill assembly, and the discharge elbow and the filtering separation pipe fitting are connected below the material leakage hole; the bottom end of the filtering separation pipe fitting is provided with a discharging pipe and a brine outlet pipe joint, the discharging pipe outputs cinnabar wet powder after water fly grinding, and the brine outlet pipe joint outputs brine for dissolving mercury salt.
Further, the discharging elbow comprises a rubber pipe main body, a flange pipe joint and a lower pipe joint, wherein the flange pipe joint and the lower pipe joint are metal pipe fittings, and the rubber pipe main body bent at an obtuse angle is vulcanized and compounded between the flange pipe joint and the lower pipe joint; the lower pipe joint is in threaded connection with the filtering separation pipe fitting, a pin shaft seat at the bottom of the lower pipe joint is in pin shaft connection with one end of the vibration guiding member, and the other end of the vibration guiding member is connected to the outer wall of the speed reducer of the driving mechanism.
Further, the filtering separation pipe fitting further comprises a feeding pipe joint, a semicircular outer pipe cover and a filtering core barrel, wherein the two semicircular outer pipe covers are buckled between the feeding pipe joint and a discharging pipe which are coaxially arranged, and the filtering core barrel is coaxially and fixedly arranged in the middle of the semicircular outer pipe cover and is used for filtering separation brine of the cinnabar material after the flown water flies and is ground; the bottom end of the semicircular outer tube cover at the lower part is provided with the brine outlet tube joint.
The invention also discloses a working method of the cinnabar water flint stone mill, wherein the cinnabar water flint stone mill is used for carrying out water flint grinding on the cinnabar, and the fallen cinnabar particle materials are magnetically absorbed and deironized in the gradual feeding process; brine separation is carried out in the discharging process, and concentrated mercury salt brine convenient to recycle can be collected.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the cinnabar water flier mill, the spiral conveying component is horizontally arranged on the shrinkage discharge hole at the bottom of the cinnabar hopper, so that low-flow low-speed continuous feeding can be realized; through setting up the deironing subassembly under the discharge port of screw conveying subassembly, the deironing subassembly removes the iron to the cinnabar granule material that slides whereabouts above that, gets rid of the siderite granule wherein. The cinnabar water flystone mill can remove iron in the blanking process, omits the manual magnetic separation process, and greatly improves the working efficiency.
In addition, through the cooperation of urceolus and screw axis, can follow the vermilion granule material in the vermilion hopper in the continuous rotatory in-process of screw axis from urceolus feed inlet input, follow the continuous low flow output of discharge end, moreover the screw axis can be to sealing the discharge port of vermilion hopper when not changeing, replace manual feeding, guaranteed the feed flow stability in the grinding process. The inclined part of the baffle plate is provided with the plurality of bulges, the bottom surface grooves of the bulges are provided with the magnets, the positions of the bulges can disperse falling cinnabar particle materials, so that iron particles in the cinnabar particle materials can be adsorbed conveniently, and the iron particles can be transferred to the bottom surface of the bulges and cannot be wrapped and impacted by the materials to fall; the inclined part of the striker plate is set to be the convex arc plate, and the convex arc plate can disperse the concentrated falling cinnabar particle materials to two sides, so that the cinnabar particle materials uniformly slide downwards, and the iron particle materials can be adsorbed and removed conveniently; the bottom edge of the backboard is inserted into the reverse folded edge to be fixed, and only bolts are arranged at the top to be fixed, so that the disassembly and assembly are convenient. The auxiliary discharging hole is formed in the position, close to the discharging end, of the outer barrel, the magnetic screen leakage cover is arranged on the auxiliary discharging hole, and in the working process of the spiral conveying assembly, conveyed cinnabar particle materials flow out of the discharging end and downwards leak out of the auxiliary discharging hole and the screen leakage cover through the auxiliary discharging hole, so that the discharging uniformity is improved, and the cinnabar particle materials are not clustered and are not stranded. Meanwhile, when passing through the material screen leakage cover, iron particles in the material screen leakage cover are primarily adsorbed and removed by the screen leakage cover. The screen leakage cover fixed by the external sticking of the screw is convenient to clean after being disassembled. Through the arrangement of the discharging elbow and the filtering separation pipe fitting, solid-liquid separation can be carried out on cinnabar wet powder after water fly grinding, concentrated brine can be obtained independently, recycling is facilitated, and the added value of the invention is improved. The discharging elbow is arranged as the steel-plastic composite pipe fitting, so that vibration is conveniently introduced to the lower end of the cantilever through the vibration guiding component, and the dehydrated cinnabar wet powder can be prevented from blocking the pipeline under the action of the vibration, so that the filter holes of the filter assembly are prevented from being blocked; the vibration input end of the vibration guiding component is connected to the outer wall of the speed reducer, so that vibration generated by the driving mechanism is skillfully recycled, the vibration element is prevented from being independently arranged, and the cost and the energy consumption are saved. Through two semicircle outer tube housing butt joint between coaxial feed pipe joint and the discharging pipe that set up, can form brine collection space in the filter core section of thick bamboo outside, the separate collection of the brine of being convenient for, the going on of the convenient to detach clearance and maintenance operation of two semicircle outer tube housing butt joint simultaneously. Through the setting of first sealing washer and second seal groove, can prevent that the brine from flowing outwards, reduce the leakage condition and take place. Through the setting of interior backup pad, can carry out auxiliary stay to the filter core section of thick bamboo, avoid its too early damage because of intensity is not enough.
According to the working method of the cinnabar water flying stone mill, the falling cinnabar particle materials are magnetically absorbed and deironized in the gradual feeding process, and the materials uniformly pass through the deironing assembly at low flow rate, so that the manpower is saved and the deironing rate is high compared with manual operation. According to the invention, brine separation is carried out in the discharging process, so that concentrated mercury salt brine convenient to recycle can be collected, and additional value is generated.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of a front view structure of a cinnabar water flier stone mill of the invention;
FIG. 2 is a schematic view of the part I of FIG. 1 in an enlarged structure according to the present invention;
FIG. 3 is a schematic cross-sectional view of the portion A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of a part of the J-site of FIG. 1 in an enlarged configuration according to the present invention;
FIG. 5 is a schematic cross-sectional view of the portion B-B of FIG. 4 according to the present invention.
Reference numerals illustrate: 1. a stone mill body; 101. a bottom bracket; 102. a motor; 103. a speed reducer; 104. a receiving hopper; 105. a top bracket; 106. a cinnabar hopper; 107. discharging surrounding edges; 2. a screw conveyor assembly; 201. a speed reducing motor; 202. a screw shaft; 203. a motor mounting plate; 204. a screen leakage cover; 3. an iron removal assembly; 301. a striker plate; 302. a protrusion; 303. a magnet; 304. a back plate; 305. a first bolt; 4. a water adding component; 401. a water inlet pipe; 5. a discharging elbow; 501. a rubber tube main body; 502. a flanged pipe fitting; 503. a lower pipe joint; 5031. a pin shaft seat; 6. filtering and separating the pipe fitting; 601. a discharge pipe; 602. a feed pipe joint; 603. a semicircular outer tube cover; 6031. a support lug; 6032. an inner support plate; 6033. a brine outlet pipe joint; 604. a filter cartridge; 605. a second bolt; 7. a hinge base; 8. a sleeve; 9. a core tube; 10. a jackscrew; 11. a first seal ring; 12. and a second sealing ring.
Detailed Description
The core of the invention is to provide the cinnabar water flier stone mill and the working method thereof, which can remove iron in the blanking process, omit the manual magnetic separation process and greatly improve the working efficiency.
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to the drawings, fig. 1 is a schematic diagram of a front view structure of a cinnabar water jet stone mill of the invention; FIG. 2 is a schematic view of the part I of FIG. 1 in an enlarged structure according to the present invention; FIG. 3 is a schematic cross-sectional view of the portion A-A of FIG. 2 in accordance with the present invention; FIG. 4 is a schematic view of a part of the J-site of FIG. 1 in an enlarged configuration according to the present invention; FIG. 5 is a schematic cross-sectional view of the portion B-B of FIG. 4 according to the present invention.
Examples
As shown in fig. 1 to 3, the vermilion water jet stone mill of the present invention, in accordance with the existing stone mill, includes a stone mill body 1, and the stone mill body 1 includes a bottom bracket 101, a stone mill assembly, a driving mechanism, a top bracket 105, and a vermilion hopper 106. The bottom bracket 101 supports the stone mill assembly, and the driving mechanism is arranged on the bottom bracket 101 and transmits power upwards to drive the movable millstone of the stone mill assembly. The driving mechanism generally comprises a motor 102 and a speed reducer 103 which are connected through a belt, and a main shaft which is output upwards by the speed reducer 103 is connected with a main shaft of the movable millstone through a coupler. The cinnabar hopper 106 is supported directly above the stone mill assembly by a top bracket 105. Compared with the prior art, the cinnabar water flystone mill also comprises a spiral conveying component 2, an iron removing component 3 and a water adding component 4, wherein the spiral conveying component 2 is horizontally arranged on a necking discharge hole at the bottom of the cinnabar hopper 106, the iron removing component 3 is arranged right below a discharge port of the spiral conveying component 2, and the iron removing component 3 receives and slides downwards to convey cinnabar particles into a receiving hopper 104 of the stone mill component and enters between a movable millstone and a static millstone of the stone mill component for grinding. The iron removing component 3 can adsorb and remove iron particles in the sliding contact cinnabar particle materials. The water adding component 4 is arranged on the top plate of the top bracket 105, the bottom of the water adding component 4 is provided with an inward bent water inlet pipe 401, and the water inlet pipe 401 can input purified water into the downward receiving hopper 104.
The screw conveying component 2 is horizontally arranged on a necking discharge hole at the bottom of the cinnabar hopper 106, so that low-speed continuous feeding with small flow can be realized; through setting up deironing subassembly 3 under the discharge port of screw conveyor subassembly 2, deironing subassembly 3 removes the ferrous granule of cinnabar granule material that slides whereabouts above that. The cinnabar water flystone mill can remove iron in the blanking process, omits the manual magnetic separation process, and greatly improves the working efficiency.
In a specific implementation of this embodiment, as shown in fig. 1 and 2, the screw conveying assembly 2 includes an outer cylinder, a gear motor 201, a screw shaft 202 and a motor mounting plate 203, the top of the outer cylinder is welded on a discharge hole at the bottom of the cinnabar hopper 106, and a feed inlet is arranged in the discharge hole of the outer cylinder. The screw shaft 202 is coaxially arranged in the outer cylinder, one end of the screw shaft 202 is coaxially connected with the output shaft of the gear motor 201, and the outer cylinder is opened towards one end of the gear motor 201 and is a discharge end. The gear motor 201 is connected with the lower part of the motor mounting plate 203 in a flange manner, and the top of the vertically arranged motor mounting plate 203 is arranged on the side wall of the cinnabar hopper 106.
Through the cooperation of urceolus and screw axis 202, can follow the vermilion granule material in the vermilion hopper 106 in the continuous rotatory in-process of screw axis 202 the urceolus feed inlet is input, follow the continuous low-flow output of discharge end, moreover screw axis 202 can be when not changeing to the discharge port of vermilion hopper 106 is sealed, replaces manual feeding, has guaranteed that the feed flow in the grinding process is stable.
In a specific implementation of this embodiment, as shown in fig. 1 to 3, the iron removal assembly 3 includes a baffle plate 301, a magnet 303 and a back plate 304, where one end of the baffle plate 301 facing the motor mounting plate 203 is provided with a lower flange for mounting, i.e. where the lower flange is mounted on the inner sidewall of the motor mounting plate 203 by screws. The baffle 301 is disposed obliquely downward toward one end of the discharge end of the outer cylinder and above the receiving hopper 104. The inclined portion of the striker plate 301 is provided with a plurality of protrusions 302, the magnets 303 are arranged in grooves in the bottom surfaces of the protrusions 302, and the magnets 303 and the protrusions 302 are arranged in one-to-one correspondence. The back plate 304 is stacked on the back of the inclined part of the striker plate 301 and is connected together by a first bolt 305, and the back plate 304 blocks the magnet 303 from falling out. The striker plate 301 is made of stainless steel or plastic plate without magnetism
Specifically, as shown in fig. 3, the inclined portion of the striker plate 301 is a convex arc plate, the middle of the convex arc plate protrudes outwards towards the middle position of the discharge end of the outer cylinder, and both sides of the convex arc plate are retracted backwards.
Specifically, as shown in fig. 3, the bottom edge of the inclined portion of the striker plate 301 is provided with a folded edge formed by integral bending, and the bottom edge of the back plate 304 is inserted into the inside of the folded edge.
A plurality of protrusions 302 are arranged at the inclined positions of the baffle plate 301, magnets 303 are arranged in grooves on the bottom surfaces of the protrusions 302, falling cinnabar particle materials can be dispersed at the positions of the protrusions 302, iron particles in the cinnabar particle materials can be adsorbed conveniently, and the iron particles can be transferred to the bottom surfaces of the backing materials of the protrusions 302 and cannot be wrapped and impacted by the materials to fall; by setting the inclined part of the baffle plate 301 as a convex arc plate, the convex arc plate can disperse the concentrated falling cinnabar particle materials to two sides, so that the cinnabar particle materials uniformly slide downwards, and the iron particle materials can be adsorbed and removed conveniently; the bottom edge of the back plate 304 is inserted into the reverse folded edge for fixing, and bolts are only required to be arranged at the top for fixing, so that the disassembly and assembly are convenient.
In a specific implementation manner of this embodiment, as shown in fig. 1 and fig. 2, the spiral conveying assembly 2 further includes a screen leakage cover 204, an auxiliary discharge hole is formed in a position of the outer cylinder, which is close to the discharge end, downward, the screen leakage cover 204 is mounted on the auxiliary discharge hole through a screw, and the screen leakage cover 204 is made of a magnetic steel screen plate with magnetism; the discharge of the screen cover 204 also falls onto the iron removal assembly 3.
Through the urceolus is close to the position of discharge end is offered supplementary discharge gate, install on the supplementary discharge gate and have magnetic screen leakage cover 204, in the screw conveying assembly 2 course of working, the cinnabar granule material that is carried not only through the discharge end flows, also can pass through supplementary discharge gate and screen leakage cover 204 leak downwards, have improved the homogeneity of unloading, do not become a cluster and do not become a strand. Meanwhile, when passing through the material screen cover 204, iron particles therein are primarily adsorbed and removed by the screen cover 204. The screen cover 204 fixed by external attachment of screws is convenient to clean after disassembly.
Examples
The embodiment is formed by replacing the discharge pipe of the stone mill body 1 on the basis of the embodiment 1, and adding a filtering and separating function to separate out concentrated brine independently. As shown in fig. 1, 4 and 5, the discharging part of the stone mill assembly is replaced by a discharging elbow 5 and a filtering separation pipe fitting 6, and a material leakage hole is arranged on a bottom plate on one side of a discharging surrounding edge of the stone mill assembly. The discharging elbow 5 and the filtering separation pipe fitting 6 are sequentially connected below the material leakage hole, and the filtering separation pipe fitting 6 is arranged in a low-inclination mode from front to back. The bottom end of the filtering separation pipe fitting 6 is provided with a discharging pipe 601 and a brine outlet pipe joint 6033, wherein the discharging pipe 601 outputs cinnabar wet powder after water fly grinding, and the brine outlet pipe joint 6033 outputs brine for dissolving mercury salt.
Before the improvement of the part, the applicant adopts a common discharging pipe to recycle cinnabar wet powder with brine into a suspension tank and supplements purified water to prepare suspension, thus the concentration of mercury salt in the solution after the suspension is precipitated is greatly reduced by the treatment process, and the recycling is not facilitated, and the utilization direction such as mercury salt or mercury metal preparation is not facilitated.
Through the arrangement of the discharging elbow 5 and the filtering separation pipe fitting 6, solid-liquid separation can be carried out on cinnabar wet powder after water fly grinding, concentrated brine can be obtained independently, recycling is facilitated, and the added value of the invention is improved.
In a specific implementation manner of this embodiment, as shown in fig. 1 and fig. 4, the cinnabar water jet stone mill of the present invention further includes a vibration inducing member, the discharge elbow 5 includes a rubber tube main body 501, a flange tube joint 502 and a lower tube joint 503, the flange tube joint 502 and the lower tube joint 503 are metal tube fittings, and the rubber tube main body 501 bent at an obtuse angle is vulcanized and compounded between the flange tube joint 502 and the lower tube joint 503. The flange pipe joint 502 is installed below the material leakage hole, the lower pipe joint 503 is in threaded connection with the filtering separation pipe fitting 6, the pin shaft seat 5031 at the bottom of the lower pipe joint 503 is in pin shaft connection with one end of the vibration guiding member, and the other end of the vibration guiding member is connected to the outer wall of the speed reducer 103 of the driving mechanism.
Specifically, as shown in fig. 1 and 4, the vibration inducing member includes a hinge base 7 and an adjustable lever member, one end of which is connected to the hinge base 5031 through a hinge pin, and the other end of which is connected to the outer wall of the speed reducer 103 through the hinge base 7.
Specifically, as shown in fig. 1 and fig. 4, the adjustable rod member includes a sleeve 8, a core tube 9 and a top thread 10, the core tube 9 is slidably fitted in a central hole of the sleeve 8, one end of the sleeve 8, which is close to the hinge seat 7, is provided with a lug seat and is in pin connection with the hinge seat 7, and one end of the core tube 9, which is close to the pin seat 5031, is provided with a lug seat and is in pin connection with the pin seat 5031. The thread of the jackscrew 10 is connected in a pipe wall threaded hole of the plugging end of the sleeve pipe 8, and the inner end of the jackscrew 10 can press the outer wall of the core pipe 9.
The discharging elbow 5 is arranged as a steel-plastic composite pipe fitting, so that vibration is conveniently introduced to the lower end of the cantilever through the vibration guiding component, and the dehydrated cinnabar wet powder can be prevented from blocking a pipeline under the action of the vibration, so that the filter holes of the filter assembly are prevented from being blocked; the vibration input end of the vibration guiding member is connected to the outer wall of the speed reducer 103, so that vibration generated by the driving mechanism is ingeniously recycled, the vibration element is prevented from being independently arranged, and cost and energy consumption are saved.
In a specific implementation of this embodiment, as shown in fig. 1, 4 and 5, the filtering separation tube 6 further includes a feed tube joint 602, a semicircular outer tube cover 603 and a filter cartridge 604, where the feed tube joint 602 is screwed with the lower tube joint 503 and presses against the upper flange edge of the filter cartridge 604. Two semicircle shell tube covers 603 butt joint is in coaxial inlet pipe joint 602 and discharging pipe 601 that set up between, and two semicircle shell tube covers 603 link together through journal stirrup 6031 and second bolt 605. The filter core barrel 604 is coaxially and fixedly arranged in the middle of the semicircular outer pipe cover 603, and the cinnabar material after the flown water is ground is filtered and separated into brine, and the bottom end of the filter core barrel 604 extends into the middle hole of the discharging pipe 601. The material and the size of the filter holes of the filter core barrel 604 are reasonably selected so as to carry out solid-liquid separation, and only liquid can pass through the filter core barrel and solid particles cannot pass through the filter core barrel. The bottom end of the lower semicircular outer tube cover 603 is provided with a brine tube joint 6033.
Specifically, as shown in fig. 4 and 5, a first seal ring 11 is provided between the clamping edge of the semicircular outer tube cover 603 and the clamping groove of the feed tube joint 602, and a first seal ring 11 is also provided between the clamping edge of the semicircular outer tube cover 603 and the clamping groove of the discharge tube 601. A second sealing groove 12 is arranged between the filter cartridge 604 and the inner wall of the discharge pipe 601.
Specifically, as shown in fig. 4 and 5, an inner support plate 6032 that supports the cartridge 604 is provided inside the semicircular outer tube cover 603.
Through two semicircle shell pipe covers 603 butt joint between coaxial inlet pipe joint 602 and the discharging pipe 601 that set up, can form the brine collection space in the filter core section of thick bamboo 604 outside, the separate collection of the brine of being convenient for, the going on of the clearance of convenient to detach and maintenance operation of two semicircle shell pipe covers 603 butt joint simultaneously. Through the setting of first sealing washer 11 and second seal groove 12, can prevent that the brine from flowing outwards, reduce the seepage condition and take place. Through the setting of interior backup pad 6032, can carry out auxiliary stay to filter core section of thick bamboo 604, avoid its too early damage because of intensity is not enough.
Examples
The invention also discloses a working method of the cinnabar water flint stone mill, wherein the cinnabar water flint stone mill in any specific embodiment is used for carrying out water flint grinding on cinnabar, and the falling cinnabar particle materials are subjected to magnetic iron removal in the gradual feeding process. Brine separation is carried out in the discharging process, and concentrated mercury salt brine convenient to recycle can be collected. The specific operation process comprises the following steps and contents:
s1, preparing for feeding, pouring coarse crushed cinnabar particle materials into a cinnabar hopper 106, detecting equipment power supply and purified water supply, connecting a discharging pipe 601 to a precipitation barrel, and connecting a brine outlet pipe joint 6033 to a brine collecting barrel.
S2, starting and blanking, starting a gear motor 201 to drive a screw shaft 202 to rotate in the outer barrel, and enabling the screw blades on the screw shaft 202 to input cinnabar particle materials in the cinnabar hopper 106 from the feeding port of the outer barrel and continuously output at low flow rate from the discharging end. At the same time, the valve on the water adding component 4 is opened, and the water inlet pipe 401 inputs purified water with constant flow rate to the lower receiving hopper 104.
S3, iron is removed, the iron removing assembly 3 receives the material falling from the discharge end of the spiral conveying assembly 2 and the screen leakage cover 204, and iron particles in cinnabar particle materials sliding and falling on the iron removing assembly 3 are adsorbed by the iron removing assembly 3 for separation and removal.
S4, carrying out water fly grinding, wherein the motor 102 drives the speed reducer 103 to work, an upward output shaft of the speed reducer 103 drives the movable millstone to rotate relative to the static millstone, the two are combined with grinding to carry out water fly grinding on the cinnabar particle materials wrapped by the purified water, the cinnabar particle materials are ground into fine powder, and soluble mercury salt in the cinnabar particle materials is dissolved into the purified water to form brine. The slurry materials of the brine and the finely ground cinnabar powder are separated out from the gaps at the outer edges of the driven grinding disc and the static grinding disc and enter the discharging surrounding flange.
S5, solid-liquid separation discharging, namely, the slurry material sequentially enters a discharging elbow 5 and a filtering separation pipe fitting 6 from a material leakage hole of the discharging surrounding flange, solid-liquid separation is carried out on the slurry material by the filtering separation pipe fitting 6, brine in the slurry material enters a brine collecting space formed by buckling two semicircular outer pipe covers 603 through a filter core barrel 604, and flows to a brine collecting barrel through a brine outlet pipe joint 6033. The powder after preliminary dehydration in the pasty material enters a precipitation barrel through the bottom opening of the filter element barrel 604 and the discharge pipe 601, and then is subjected to water supplementing suspension to obtain suspension, so that qualified fine cinnabar powder is prepared, and the fine cinnabar powder is consistent with the original process and is not described in detail.
It should be noted that the steps S2, S3 and S4 are actually performed synchronously, and there is no sequence, so for convenience of description, the above expression is adopted.
According to the cinnabar water flier mill, the spiral conveying component 2 is horizontally arranged on the shrinkage discharge hole at the bottom of the cinnabar hopper 106, so that low-speed continuous feeding with small flow can be realized; through setting up deironing subassembly 3 under the discharge port of screw conveyor subassembly 2, deironing subassembly 3 removes the ferrous granule of cinnabar granule material that slides whereabouts above that. The cinnabar water flystone mill can remove iron in the blanking process, omits the manual magnetic separation process, and greatly improves the working efficiency. In addition, through the cooperation of urceolus and screw axis 202, can follow the continuous rotatory in-process of screw axis 202 cinnabar granule material in the cinnabar hopper 106 follow the urceolus feed inlet is followed the continuous low-flow output of discharge end, can seal the discharge port of cinnabar hopper 106 when screw axis 202 is not changeed moreover, replaces manual feeding, has guaranteed that the feed flow in the grinding process is stable. A plurality of protrusions 302 are arranged at the inclined positions of the baffle plate 301, magnets 303 are arranged in grooves on the bottom surfaces of the protrusions 302, falling cinnabar particle materials can be dispersed at the positions of the protrusions 302, iron particles in the cinnabar particle materials can be adsorbed conveniently, and the iron particles can be transferred to the bottom surfaces of the backing materials of the protrusions 302 and cannot be wrapped and impacted by the materials to fall; by setting the inclined part of the baffle plate 301 as a convex arc plate, the convex arc plate can disperse the concentrated falling cinnabar particle materials to two sides, so that the cinnabar particle materials uniformly slide downwards, and the iron particle materials can be adsorbed and removed conveniently; the bottom edge of the back plate 304 is inserted into the reverse folded edge for fixing, and bolts are only required to be arranged at the top for fixing, so that the disassembly and assembly are convenient. Through the urceolus is close to the position of discharge end is offered supplementary discharge gate, install on the supplementary discharge gate and have magnetic screen leakage cover 204, in the screw conveying assembly 2 course of working, the cinnabar granule material that is carried not only through the discharge end flows, also can pass through supplementary discharge gate and screen leakage cover 204 leak downwards, have improved the homogeneity of unloading, do not become a cluster and do not become a strand. Meanwhile, when passing through the material screen cover 204, iron particles therein are primarily adsorbed and removed by the screen cover 204. The screen cover 204 fixed by external attachment of screws is convenient to clean after disassembly. Through the arrangement of the discharging elbow 5 and the filtering separation pipe fitting 6, solid-liquid separation can be carried out on cinnabar wet powder after water fly grinding, concentrated brine can be obtained independently, recycling is facilitated, and the added value of the invention is improved. The discharging elbow 5 is arranged as a steel-plastic composite pipe fitting, so that vibration is conveniently introduced to the lower end of the cantilever through the vibration guiding component, and the dehydrated cinnabar wet powder can be prevented from blocking a pipeline under the action of the vibration, so that the filter holes of the filter assembly are prevented from being blocked; the vibration input end of the vibration guiding member is connected to the outer wall of the speed reducer 103, so that vibration generated by the driving mechanism is ingeniously recycled, the vibration element is prevented from being independently arranged, and cost and energy consumption are saved. Through two semicircle shell pipe covers 603 butt joint between coaxial inlet pipe joint 602 and the discharging pipe 601 that set up, can form the brine collection space in the filter core section of thick bamboo 604 outside, the separate collection of the brine of being convenient for, the going on of the clearance of convenient to detach and maintenance operation of two semicircle shell pipe covers 603 butt joint simultaneously. Through the setting of first sealing washer 11 and second seal groove 12, can prevent that the brine from flowing outwards, reduce the seepage condition and take place. Through the setting of interior backup pad 6032, can carry out auxiliary stay to filter core section of thick bamboo 604, avoid its too early damage because of intensity is not enough.
According to the working method of the cinnabar water flying stone mill, the falling cinnabar particle materials are magnetically absorbed and deironized in the gradual feeding process, and the materials uniformly pass through the deironing assembly at low flow rate, so that the manpower is saved and the deironing rate is high compared with manual operation. According to the invention, brine separation is carried out in the discharging process, so that concentrated mercury salt brine convenient to recycle can be collected, and additional value is generated.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. A method for operating a cinnabar water flier stone mill is characterized in that: carrying out water fly grinding on cinnabar by adopting a cinnabar water fly stone mill, and carrying out magnetic iron removal on falling cinnabar particle materials in the gradual feeding process; the concentrated mercury salt brine which is convenient to recycle can be collected in the discharging process, and mercury salt byproducts can be conveniently further extracted, the cinnabar water flying stone mill comprises a stone mill main body (1), and the stone mill main body (1) comprises a bottom bracket (101), a stone mill component, a driving mechanism, a top bracket (105) and a cinnabar hopper (106); the device comprises a cinnabar hopper (106), a spiral conveying assembly (2), an iron removing assembly (3) and a water adding assembly (4), wherein the spiral conveying assembly (2) is horizontally arranged on a shrinkage discharge hole at the bottom of the cinnabar hopper (106), the iron removing assembly (3) is arranged right below a discharge port of the spiral conveying assembly (2), and the iron removing assembly (3) receives and slides downwards to convey cinnabar particles into a receiving hopper (104) of the stone mill assembly; the iron removing component (3) can adsorb and remove iron particles in the cinnabar particle materials in sliding contact; the water adding component (4) is arranged on the top plate of the top bracket (105) and can input purified water into the receiving hopper (104);
the stone mill assembly further comprises a discharging elbow (5) and a filtering separation pipe fitting (6), a material leakage hole is formed in one side of a discharging surrounding flange of the stone mill assembly, and the discharging elbow (5) and the filtering separation pipe fitting (6) are connected below the material leakage hole; the bottom end of the filtering separation pipe fitting (6) is provided with a discharging pipe (601) and a brine outlet pipe joint (6033), wherein the discharging pipe (601) outputs cinnabar wet powder after water fly grinding, and the brine outlet pipe joint (6033) outputs brine for dissolving mercury salt;
the discharging elbow (5) comprises a rubber pipe main body (501), a flange pipe joint (502) and a lower pipe joint (503), wherein the flange pipe joint (502) and the lower pipe joint (503) are metal pipe fittings, and the rubber pipe main body (501) bent at an obtuse angle is vulcanized and compounded between the flange pipe joint (502) and the lower pipe joint (503); the lower pipe joint (503) is in threaded connection with the filtering separation pipe fitting (6), a pin shaft seat (5031) at the bottom of the lower pipe joint (503) is in pin shaft connection with one end of the vibration guiding member, and the other end of the vibration guiding member is connected to the outer wall of a speed reducer (103) of the driving mechanism;
the filtering separation pipe fitting (6) further comprises a feeding pipe joint (602), a semicircular outer pipe cover (603) and a filtering core barrel (604), wherein the two semicircular outer pipe covers (603) are buckled between the feeding pipe joint (602) and the discharging pipe (601) which are coaxially arranged, and the filtering core barrel (604) is coaxially and fixedly arranged in the middle of the semicircular outer pipe cover (603) and is used for filtering and separating brine from the cinnabar material after the flowing water is flown and ground; the bottom end of the semicircular outer tube cover (603) at the lower part is provided with the brine outlet tube joint (6033).
2. The method for operating a cinnabar water jet stone mill according to claim 1, characterized in that: the spiral conveying assembly (2) comprises an outer barrel, a speed reduction motor (201), a spiral shaft (202) and a motor mounting plate (203), wherein the top of the outer barrel is welded on a discharge hole at the bottom of the cinnabar hopper (106), a feed inlet is formed in the discharge hole of the outer barrel, the spiral shaft (202) is coaxially arranged in the outer barrel, one end of the spiral shaft (202) is coaxially connected with an output shaft of the speed reduction motor (201), and an opening of the outer barrel towards one end of the speed reduction motor (201) is a discharge end; the gear motor (201) is connected with the lower part of the motor mounting plate (203) in a flange manner, and the top of the vertically arranged motor mounting plate (203) is mounted on the side wall of the cinnabar hopper (106).
3. The method for operating a cinnabar water jet stone mill according to claim 2, characterized in that: the iron removal assembly (3) comprises a striker plate (301), a magnet (303) and a back plate (304), wherein a lower folded edge for installation is arranged at one end of the striker plate (301) facing the motor installation plate (203), and one end of the striker plate (301) facing the discharge end of the outer cylinder is obliquely arranged downwards and is positioned above the receiving hopper (104); the inclined part of the striker plate (301) is provided with a plurality of bulges (302), the magnet (303) is arranged in a groove on the bottom surface of the bulge (302), and the back plate (304) is stacked on the back of the inclined part of the striker plate (301) and is connected together by adopting a first bolt (305); the back plate (304) blocks the magnet (303) from coming out.
4. A method of operating a cinnabar water jet stone mill as claimed in claim 3, wherein: the inclined part of the striker plate (301) is a convex arc plate, the middle of the convex arc plate protrudes outwards towards the middle position of the discharge end of the outer cylinder, and two sides of the convex arc plate are retracted backwards.
5. The method for operating a cinnabar water jet stone mill according to claim 3 or 4, characterized in that: the bottom edge of the inclined part of the striker plate (301) is provided with a reverse folded edge, and the bottom edge of the backboard (304) is inserted into the inner side of the reverse folded edge.
6. The vermilion water jet stone mill working method according to claim 2, characterized in that the spiral conveying component (2) further comprises a screen leakage cover (204), an auxiliary discharge hole is formed in the position, close to the discharge end, of the outer cylinder downwards, the screen leakage cover (204) is installed on the auxiliary discharge hole through a screw, and the screen leakage cover (204) is made of magnetic steel materials with magnetism; the discharged material of the sieve leakage cover (204) also falls onto the iron removing component (3).
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