CN113426517A - Titanium white powder crude product roll-in grinding device with shelter from structure - Google Patents

Titanium white powder crude product roll-in grinding device with shelter from structure Download PDF

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Publication number
CN113426517A
CN113426517A CN202110663723.XA CN202110663723A CN113426517A CN 113426517 A CN113426517 A CN 113426517A CN 202110663723 A CN202110663723 A CN 202110663723A CN 113426517 A CN113426517 A CN 113426517A
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CN
China
Prior art keywords
titanium dioxide
blanking
gear
roller
shielding
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Pending
Application number
CN202110663723.XA
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Chinese (zh)
Inventor
张修臻
张本发
马征程
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI VENUS TITANIUM DIOXIDE (GROUP) CO LTD
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ANHUI VENUS TITANIUM DIOXIDE (GROUP) CO LTD
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Application filed by ANHUI VENUS TITANIUM DIOXIDE (GROUP) CO LTD filed Critical ANHUI VENUS TITANIUM DIOXIDE (GROUP) CO LTD
Priority to CN202110663723.XA priority Critical patent/CN113426517A/en
Publication of CN113426517A publication Critical patent/CN113426517A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/283Lateral sealing shields
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/286Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/40Detachers, e.g. scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/42Driving mechanisms; Roller speed control

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The titanium dioxide crude product roll-in grinding device with the shielding structure comprises a roll-in grinding box body, wherein a squeeze roll is arranged in the roll-in grinding box body, and the end part of the squeeze roll is connected with a motor; the end part of the extrusion roller is connected with two groups of linkage mechanisms, and the linkage mechanisms are connected with the blanking idler wheels and the dispersing pieces; the blanking roller is rotationally connected in the blanking pipe, and the blanking pipe is inserted and communicated with the press grinding box body; the blanking roller is used for controlling blanking; the bottom end of the blanking pipe is communicated with the shielding box, and a dispersing piece moves inside the shielding box; the dispersing piece is used for dispersing the titanium dioxide in the shielding box. The titanium dioxide rolling and grinding device is provided with the linkage mechanism, when the titanium dioxide is ground, blanking is driven in a linkage manner, the blanking amount is directly controlled through the extrusion speed, blanking blockage is prevented, and the titanium dioxide falling from the blanking pipe is dispersed to all positions on the surface of the extrusion roller through the dispersion piece; the efficiency of extrusion is improved.

Description

Titanium white powder crude product roll-in grinding device with shelter from structure
Technical Field
The invention belongs to the technical field of titanium dioxide processing, and particularly relates to a titanium dioxide crude product rolling and grinding device with a shielding structure.
Background
Titanium dioxide is an important inorganic chemical pigment and has important application in the industries of paint, printing ink, papermaking, plastic rubber, chemical fiber, ceramics and the like; the main component of the titanium dioxide is titanium dioxide, and the production process of the titanium dioxide comprises two process routes of a sulfuric acid method and a chlorination method; the sulfuric acid method is to carry out acidolysis reaction on titanium ore powder and concentrated sulfuric acid to produce titanyl sulfate, generate metatitanic acid through hydrolysis, and obtain a titanium dioxide product through calcination and crushing. The chlorination process is to use titanium-containing raw materials to react chlorinated high titanium slag, or artificial rutile, or natural rutile and the like with chlorine to generate titanium tetrachloride, and then to carry out rectification purification and gas phase oxidation; after rapid cooling, TiO is obtained by gas-solid separation2
Therefore, the rolling mill is an indispensable step in titanium dioxide processing, most of the existing rolling mills carry out the rolling mill through two rotating squeeze rollers, when the squeeze rollers work, the falling titanium dioxide easily drops from two ends of the squeeze rollers, so that incomplete extrusion is caused, the titanium dioxide is simply blocked by the baffle, the titanium dioxide is easily adhered to the baffle, the titanium dioxide is difficult to clean, and the baffle blocks to enable the titanium dioxide to be easily accumulated, so that the problem of incomplete extrusion still exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a titanium dioxide crude product rolling and grinding device with a shielding structure, and the specific technical scheme is as follows:
the titanium dioxide crude product roll-in grinding device with the shielding structure comprises a roll-in grinding box body, wherein a squeeze roll is arranged inside the roll-in grinding box body, and the end part of the squeeze roll is connected with a motor; the end part of the extrusion roller is connected with two groups of linkage mechanisms, and the linkage mechanisms are connected with the blanking idler wheels and the dispersing pieces;
the blanking roller is rotationally connected in a blanking pipe, and the blanking pipe is inserted and communicated with the press grinding box body; the blanking roller is used for controlling blanking; the bottom end of the blanking pipe is communicated with a shielding box, and a dispersing piece moves inside the shielding box; the dispersing piece is used for dispersing the titanium dioxide in the shielding box.
Further, a plurality of grooves are formed in the surface of the blanking roller wheel at equal intervals, and anti-sticking films are arranged in the grooves.
Further, the linkage mechanism comprises a first rotating shaft, a first bevel gear, a first gear, a second bevel gear, a crank and a second gear, wherein the side part of the squeezing roller is connected with the second gear, and the second gear is meshed with the first gear; a first conical gear is fixed on the side part of the first gear, and a first rotating shaft penetrates through and is fixed in the first conical gear and the first gear; the first rotating shaft is connected with the blanking roller; the first bevel gear is engaged with a second bevel gear, and the side of the second bevel gear is connected with a crank.
Further, the dispersing piece comprises a push plate, a pressing plate, a spring, a connecting rod and a dispersing plate, the pressing plate is connected to the top end of the shielding box in a sliding mode, and the spring is arranged between the pressing plate and the blanking pipe; a push plate is fixed at the bottom end of the pressing plate, and a connecting rod is fixed at the side part of the push plate; a dispersion plate is fixed at the end part of the connecting rod.
Furthermore, two extrusion rollers are symmetrically arranged, and a shielding box is arranged between the two extrusion rollers; the cross-section of the shielding box adopts a structure with an arc-shaped bottom end.
Furthermore, the cross section of the push plate adopts a triangular structure, and the push plate is in contact with the inner wall of the shielding box; the push plate scrapes on the inner wall of the shielding box.
Further, a screen is arranged in the pressure grinding box body, and the screen is obliquely arranged; one end of the screen is communicated with the second discharge hole, and the bottom end of the screen is connected with a vibrating motor.
Further, the bottom end of the pressure grinding box body is inclined, and the bottom end of the pressure grinding box body is communicated with the first discharge hole; the bottom slope direction of pressure grinding box with the slope direction of screen cloth is opposite, first discharge gate with the second discharge gate sets up relatively.
The invention has the beneficial effects that: the titanium dioxide rolling and grinding device is provided with the linkage mechanism, when the titanium dioxide is ground, blanking is driven in a linkage manner, the blanking amount is directly controlled through the extrusion speed, blanking blockage is prevented, and the titanium dioxide falling from the blanking pipe is dispersed to all positions on the surface of the extrusion roller through the dispersion piece; meanwhile, the inner wall of the shielding box is scraped, so that the titanium dioxide is prevented from being stuck in the shielding box; meanwhile, the titanium dioxide is prevented from being accumulated and falling from the two ends of the extrusion roller, and the extrusion efficiency is improved.
Drawings
FIG. 1 shows a schematic structural diagram of a titanium dioxide crude product roll milling device with a shielding structure;
fig. 2 shows a schematic view of the structure of the dispersion member of the present invention;
FIG. 3 shows a side schematic view of the present invention;
shown in the figure: 1. motor, 2, the pressure grinding box body, 21, first discharge gate, 22, second discharge gate, 23, screen cloth, 231, vibrating motor, 3, unloading pipe, 4, unloading gyro wheel, 41, recess, 5, squeeze roll, 6, link gear, 61, first pivot, 62, first conical gear, 63, first gear, 64, second conical gear, 65, crank, 66, second gear, 7, dispersion piece, 71, push pedal, 72, pressing plate, 73, spring, 74, connecting rod, 75, dispersion board, 8, shelter from the case.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Examples
The titanium dioxide crude product roll-in grinding device with the shielding structure comprises a roll-in grinding box body 2, wherein two extrusion rollers 5 are arranged in the roll-in grinding box body 2, and the titanium dioxide can be extruded by simultaneously rotating the two extrusion rollers 5 inwards; the end part of the squeezing roller 5 is connected with a motor 1, and the motor 1 is used for driving the squeezing roller 5 to rotate; the end part of the extrusion roll 5 is connected with two groups of linkage mechanisms 6, and the extrusion roll 5 drives the linkage mechanisms 6 to work when rotating; the linkage mechanism 6 is connected with the blanking roller 4 and the dispersing piece 7; the blanking roller 4 is rotatably connected in the blanking pipe 3, and the blanking pipe 3 is inserted and communicated with the pressure grinding box body 2; the blanking roller 4 is used for controlling blanking; the linkage mechanism 6 is used for driving the blanking roller 4 to rotate for blanking so as to realize linkage driving, when the extrusion roller 5 rotates fast, the blanking amount is large, and when the extrusion roller rotates slowly, the blanking amount is small; the blanking amount is controlled through the extrusion speed, so that blanking blockage is prevented, and the titanium white powder in the extrusion roller 5 is fully rolled and ground; the bottom end of the blanking pipe 3 is communicated with a shielding box 8, and a dispersing piece 7 moves inside the shielding box 8; the dispersing piece 7 is used for dispersing the titanium dioxide in the shielding box 8; the dispersing piece 7 disperses the titanium dioxide falling from the blanking pipe 3 to all positions on the surface of the extrusion roller 5; meanwhile, the inner wall of the shielding box 8 is scraped, so that the titanium dioxide is prevented from being stuck in the shielding box 8; meanwhile, titanium dioxide is prevented from accumulating and falling from two ends of the extrusion roller 5, and the extrusion efficiency is improved; the titanium dioxide falling from the blanking pipe is dispersed to all positions on the surface of the extrusion roller by the dispersing piece; meanwhile, the inner wall of the shielding box is scraped, so that the titanium dioxide is prevented from being stuck in the shielding box; meanwhile, the titanium dioxide is prevented from being accumulated and falling from the two ends of the extrusion roller, and the extrusion efficiency is improved.
As an improvement of the technical scheme, a plurality of grooves 41 are equidistantly formed in the surface of the blanking roller 4, titanium dioxide is stored through the grooves 41, and when the grooves 41 collect materials and rotate to the bottom end, the titanium dioxide falls off to control blanking of the titanium dioxide; an anti-adhesion film is arranged in the groove 41; the anti-sticking film is formed by sticking a layer of polyester, polypropylene or polyethylene film on paper by using an adhesive, so that the water resistance of the paper can be improved, the surface of the paper is smooth and bright, the size of the paper is not easy to change after being wetted, and the advantage of good creep resistance of the paper is still kept; the anti-sticking film effectively avoids titanium dioxide from sticking.
As a modification of the above technical solution, the linkage mechanism 6 comprises a first rotating shaft 61, a first bevel gear 62, a first gear 63, a second bevel gear 64, a crank 65 and a second gear 66, the side of the squeezing roller 5 is connected with the second gear 66, and the second gear 66 is engaged with the first gear 63; the first gear 63 is driven to rotate by a second gear 66; a first bevel gear 62 is fixed to a side portion of the first gear 63, and a first rotating shaft 61 is fixed to the first bevel gear 62 and the first gear 63 in a penetrating manner; the first rotating shaft 61 is connected with the blanking roller 4; the blanking roller 4 is driven to rotate through gear transmission, so that blanking is realized; the first bevel gear 62 is meshed with a second bevel gear 64, and the side part of the second bevel gear 64 is connected with a crank 65; the crank 65 is connected with the dispersing part 7, and the dispersing part 7 is driven by the crank 65 to move to disperse the titanium dioxide.
As an improvement of the above technical solution, the dispersing member 7 includes a push plate 71, a pressing plate 72, a spring 73, a connecting rod 74 and a dispersing plate 75, the pressing plate 72 is slidably connected to the top end of the shielding box 8, and the spring 73 is disposed between the pressing plate 72 and the feeding pipe 3; a push plate 71 is fixed at the bottom end of the pressing plate 72, and a connecting rod 74 is fixed at the side part of the push plate 71; a dispersion plate 75 is fixed to an end of the connecting rod 74; the dispersion board 75 extend outwards in shelter from case 8, just the dispersion board 75 is in the bottom center department of unloading pipe 3 when not working, and the lateral part removes when its during operation, with titanium white powder looks both sides dispersion, avoids titanium white powder aggregate, reduces the adhesion of titanium white powder when directly falling simultaneously.
As an improvement of the above technical scheme, the two squeezing rollers 5 are symmetrical, and a shielding box 8 is arranged between the two squeezing rollers 5; the cross section of the shielding box 8 adopts a structure with an arc-shaped bottom end; the shielding box 8 is used for blocking falling titanium dioxide; preventing the titanium dioxide from falling from the two sides of the squeeze roll 5, and improving the efficiency of the titanium dioxide roll mill.
As an improvement of the above technical solution, the cross section of the push plate 71 adopts a triangular structure, the titanium dioxide adhered to the push plate 71 can fall off conveniently by adopting the structure, and the push plate 71 is in contact with the inner wall of the shielding box 8; the push plate 71 scrapes on the inner wall of the shielding box 8; the inner wall of the shielding box 8 is scraped through the push plate 71, and the titanium dioxide on the inner wall of the shielding box 8 is removed.
As an improvement of the above technical solution, a screen 23 is arranged inside the pressure grinding box body 2, and the screen 23 is obliquely arranged; the titanium white powder after smashing is sieved through the screen cloth 23, the one end of screen cloth 23 communicates second discharge gate 22, and the unqualified titanium white powder that the thick liquid was sieved out is discharged through second discharge gate 22, just vibrating motor 231 is connected to the bottom of screen cloth 23, strengthens the screening effect through vibrating motor 231, and the titanium white powder for the adhesion drops simultaneously and facilitates.
As an improvement of the above technical solution, the bottom end of the pressure grinding box body 2 is inclined, and the bottom end of the pressure grinding box body 2 is communicated with a first discharge hole 21; the bottom end of the pressure grinding box body 2 is inclined in the direction opposite to the inclination direction of the screen 23, and the first discharge port 21 and the second discharge port 22 are oppositely arranged; the titanium dioxide which is qualified and unqualified in grinding is separately fed, and the mutual interference between the titanium dioxide and the titanium dioxide is reduced.
The invention is implemented as follows:
when the titanium dioxide is rolled and milled, the input end conveyed by the titanium dioxide is communicated through the discharging pipe 3, then the motor 1 is turned on to roll and mill the titanium dioxide, when the motor 1 is turned on, the motor 1 drives the extrusion roller 5 to rotate, the extrusion roller 5 drives the second gear 66 to rotate, the second gear 66 drives the first gear 63 engaged with the second gear to rotate, the first gear 63 drives the first bevel gear 62 to rotate, the first bevel gear 62 drives the first rotating shaft 61 to rotate, the first rotating shaft 61 drives the discharging roller 4 to rotate in the discharging pipe 3, so that the titanium dioxide in the discharging pipe 3 is rotationally discharged, the falling titanium dioxide enters the shielding box 8, the first bevel gear 62 drives the second bevel gear 64 engaged with the first bevel gear to rotate, the crank 65 is driven to rotate, when the crank 65 rotates to the leftmost end, the spring 73 pushes the pressing plate 72 leftwards under the action of elastic force, the push plate 71 and the dispersion plate 75 move leftwards at the same time, the dispersion plate 75 pushes the titanium dioxide to two sides for dispersion, when the crank 65 rotates to the rightmost end, the pressing plate 72 is driven to compress the spring 73, and at the moment, the push plate 71 and the dispersion plate 75 move rightwards; the inner wall of the shielding box 8 is scraped by the push plate 71, so that the titanium dioxide is prevented from being adhered to the inner wall.
The titanium dioxide rolling and grinding device is provided with the linkage mechanism, when the titanium dioxide is ground, blanking is driven in a linkage manner, the blanking amount is directly controlled through the extrusion speed, blanking blockage is prevented, and the titanium dioxide falling from the blanking pipe is dispersed to all positions on the surface of the extrusion roller through the dispersion piece; meanwhile, the inner wall of the shielding box is scraped, so that the titanium dioxide is prevented from being stuck in the shielding box; meanwhile, the titanium dioxide is prevented from being accumulated and falling from the two ends of the extrusion roller, and the extrusion efficiency is improved.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. Titanium white powder crude roll-in grinding device with shelter from structure, its characterized in that: the device comprises a press grinding box body (2), wherein a squeeze roller (5) is arranged inside the press grinding box body (2), and the end part of the squeeze roller (5) is connected with a motor (1); the end part of the extrusion roller (5) is connected with two groups of linkage mechanisms (6), and the linkage mechanisms (6) are connected with the blanking roller (4) and the dispersing piece (7);
the blanking roller (4) is rotatably connected into the blanking pipe (3), and the blanking pipe (3) is inserted and communicated with the press grinding box body (2); the blanking roller (4) is used for controlling blanking; the bottom end of the blanking pipe (3) is communicated with a shielding box (8), and a dispersing piece (7) moves in the shielding box (8); the dispersing piece (7) is used for dispersing the titanium dioxide in the shielding box (8).
2. The titanium dioxide crude product roll milling device with the shielding structure as claimed in claim 1, wherein: a plurality of grooves (41) are formed in the surface of the blanking roller (4) at equal intervals, and anti-sticking films are arranged in the grooves (41).
3. The titanium dioxide crude product roll milling device with the shielding structure as claimed in claim 1, wherein: the linkage mechanism (6) comprises a first rotating shaft (61), a first bevel gear (62), a first gear (63), a second bevel gear (64), a crank (65) and a second gear (66), the side part of the squeezing roller (5) is connected with the second gear (66), and the second gear (66) is meshed with the first gear (63); a first bevel gear (62) is fixed on the side part of the first gear (63), and a first rotating shaft (61) penetrates through and is fixed inside the first bevel gear (62) and the first gear (63); the first rotating shaft (61) is connected with the blanking roller (4); the first bevel gear (62) engages a second bevel gear (64), and the side of the second bevel gear (64) is connected to a crank (65).
4. The titanium dioxide crude product roll milling device with the shielding structure according to any one of claims 1 to 3, wherein: the dispersing piece (7) comprises a push plate (71), a pressing plate (72), a spring (73), a connecting rod (74) and a dispersing plate (75), the pressing plate (72) is connected to the top end of the shielding box (8) in a sliding mode, and the spring (73) is arranged between the pressing plate (72) and the blanking pipe (3); a push plate (71) is fixed at the bottom end of the pressing plate (72), and a connecting rod (74) is fixed at the side part of the push plate (71); a dispersion plate (75) is fixed to the end of the connecting rod (74).
5. The titanium dioxide crude product roll milling device with the shielding structure as claimed in claim 4, wherein: the two squeezing rollers (5) are symmetrical, and a shielding box (8) is arranged between the two squeezing rollers (5); the cross section of the shielding box (8) adopts a structure with an arc-shaped bottom end.
6. The titanium dioxide crude product roll milling device with the shielding structure as claimed in claim 5, wherein: the section of the push plate (71) adopts a triangular structure, and the push plate (71) is in contact with the inner wall of the shielding box (8); the push plate (71) scrapes on the inner wall of the shielding box (8).
7. The titanium dioxide crude product roll milling device with the shielding structure as claimed in claim 1, wherein: a screen (23) is arranged in the pressure grinding box body (2), and the screen (23) is obliquely arranged; one end of the screen (23) is communicated with the second discharge hole (22), and the bottom end of the screen (23) is connected with the vibration motor (231).
8. The titanium dioxide crude product roll milling device with the shielding structure as claimed in claim 7, wherein: the bottom end of the pressure grinding box body (2) is inclined, and the bottom end of the pressure grinding box body (2) is communicated with a first discharge hole (21); the bottom end inclination direction of the pressure grinding box body (2) is opposite to the inclination direction of the screen (23), and the first discharge hole (21) and the second discharge hole (22) are oppositely arranged.
CN202110663723.XA 2021-06-16 2021-06-16 Titanium white powder crude product roll-in grinding device with shelter from structure Pending CN113426517A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114939456A (en) * 2022-05-16 2022-08-26 昆明冶金高等专科学校 Titanium white powder crude roll-in grinds device with shelter from structure

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CN212758798U (en) * 2020-05-20 2021-03-23 江苏云合新材料科技有限公司 Grinding device for producing printing ink
CN213102391U (en) * 2020-07-15 2021-05-04 安徽省新山鑫环保机械设备有限公司 Crawler-type grit breaker is with vibration unloader
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