CN220678596U - Multi-stage separation composite powder selecting device - Google Patents

Multi-stage separation composite powder selecting device Download PDF

Info

Publication number
CN220678596U
CN220678596U CN202322298951.9U CN202322298951U CN220678596U CN 220678596 U CN220678596 U CN 220678596U CN 202322298951 U CN202322298951 U CN 202322298951U CN 220678596 U CN220678596 U CN 220678596U
Authority
CN
China
Prior art keywords
shell
cylinder
screening
plate
screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322298951.9U
Other languages
Chinese (zh)
Inventor
蔡小三
龙小霞
蔡洪波
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.)
Guizhou Xingchi Environmental Protection Technology Co ltd
Original Assignee
Guizhou Xingchi Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Xingchi Environmental Protection Technology Co ltd filed Critical Guizhou Xingchi Environmental Protection Technology Co ltd
Priority to CN202322298951.9U priority Critical patent/CN220678596U/en
Application granted granted Critical
Publication of CN220678596U publication Critical patent/CN220678596U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a multi-stage separation composite powder selecting device which comprises a shell, a primary screening structure and a composite screening plate, wherein a bevel board is connected with the composite screening plate, and a filtering hole is formed in the composite screening plate. A guide cylinder is arranged in the shell, a first discharge hole is formed in the shell, a material receiving table is arranged on the first discharge hole, and a bracket is arranged on the material receiving table; the primary screening structure comprises a first motor and a screening material cylinder, and the wall of the screening material cylinder is of a hollow structure. The screen material cylinder is communicated with the material guide cylinder and the material receiving table, the inclined panel is arranged below the screen material cylinder, the compound screen plate is connected with the shell, and one side of the compound screen plate is provided with a second discharge hole; the blanking plate is obliquely arranged in the shell, and a third discharge hole is formed in one side of the blanking plate. According to the primary screening structure, the first motor drives the screening material cylinder to rotate to realize powder selection, materials are continuously collided with the wall of the screening material cylinder in the rotating process of the screening material cylinder, and the materials gathered together can be dispersed, so that the powder selection efficiency is improved.

Description

Multi-stage separation composite powder selecting device
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to multi-stage separation composite powder selecting equipment.
Background
Cement, also known as lime, red hair ash, red hair soil, etc., is a sub-packaged hydraulic inorganic cementitious material commonly used in combination with sand, gravel to form mortar or concrete. In the cement industry, grinding raw materials and clinker are often ground by adopting a grinding process, grinding and powder selection are two very important process flows in the whole grinding process, and the powder selection technology directly influences the efficiency of the whole grinding process and the quality of a final product.
In the use process of the existing powder selector, only fine powder selection or single rough powder selection can be realized, fine powder classification screening can not be realized according to actual production conditions, the use is inconvenient, and the functionality and the practicability are required to be further improved. In the utility model patent with publication number of CN217774465U (hereinafter referred to as "prior art 1"), a powder selecting machine with adjustable particle size is disclosed, in prior art 1, a motor is connected with an external power supply, so that the motor works to drive an output shaft to rotate to drive a rotating plate to rotate, then a material is put in through a feed inlet, and through the arrangement of the rotating plate, the material can uniformly enter the powder selecting machine body from the feed inlet, and the phenomenon that the feed inlet of the powder selecting machine with adjustable particle size is blocked due to different entering speeds of the material is avoided.
In the prior art 1, the feeding speed of the material at the feeding port is adjusted by arranging the rotating plate, so that the blocking of the feeding port is avoided. However, to improve the quality of the final product, it is not practical to implement fine powder selection or coarse powder selection separately in the prior art, and when using, the situation that the powder needs to be re-checked usually occurs, thus reducing the production efficiency and increasing the use cost of the equipment.
Disclosure of Invention
The utility model provides multi-stage separation composite powder selecting equipment, which is used for solving the problems that the prior art can only carry out single fine powder selecting or rough powder selecting can not adapt to actual production conditions, and the powder is easy to be re-checked, so that the production time is prolonged, the production efficiency is reduced, and the production cost is increased.
The technical scheme of the utility model is as follows:
the utility model provides a compound powder equipment of selecting of multistage separation, includes casing, preliminary screening structure and compound sieve, is provided with first pan feeding mouth on the casing, is provided with the inclined plane board in the casing, and the inclined plane board is connected with compound sieve, is provided with the filtration pore on the compound sieve.
A guide cylinder is arranged in the shell, the first feeding port is communicated with the guide cylinder, a first discharging port is arranged on the shell, a material receiving table is arranged on the first discharging port, and a bracket is arranged on the material receiving table; the primary screening structure comprises a first motor and a screening material cylinder, a rotating shaft and a connecting rod are arranged on the screening material cylinder, the rotating shaft is connected with the cylinder wall of the screening material cylinder through the connecting rod, and the cylinder wall of the screening material cylinder is of a hollow structure.
The machine shell is provided with an installation inclined table, the first motor is arranged on the installation inclined table, the output end of the first motor is connected with one end of the rotating shaft, and the other end of the rotating shaft is rotatably connected with the bracket; the screen material cylinder is communicated with the material guide cylinder and the material receiving table, the inclined panel is arranged below the screen material cylinder, the compound screen plate is connected with the shell, and one side of the compound screen plate is provided with a second discharge hole; the blanking plate is obliquely arranged in the shell, and a third discharge hole is formed in one side of the blanking plate.
In a preferred technical scheme, the device also comprises a recovery device, wherein the recovery device comprises a collection shell, a spiral conveying blade and a second motor, the collection shell is arranged on one side of the machine shell, and the collection shell is communicated with the first discharge hole; the second motor sets up in collecting the shell, and the output shaft of second motor is connected with the one end of screw conveying leaf, and the other end of screw conveying leaf rotates with collecting the shell to be connected, is provided with the fourth discharge gate on the collecting the shell, is provided with the second pan feeding mouth on the casing, and the second pan feeding mouth sets up in the below of fourth discharge gate.
In a preferred technical scheme, be provided with rolling machine on the second pan feeding mouth, rolling machine includes first roller, second roller, gear and third motor, and first roller rotates with the second pan feeding mouth to be connected, and the second roller rotates with the second pan feeding mouth to be connected, and the output shaft of third motor is connected with first roller that rolls, and first roller and second roller that rolls pass through the meshing transmission rotation of gear.
In a preferred technical scheme, a material guiding inclined plate is arranged on the fourth discharging hole.
In a preferred embodiment, the surfaces of the first calender roll and the second calender roll are coated with a lubricious coating.
In a preferred technical scheme, the rotating shaft is provided with bristles, and the end parts of the bristles are contacted with the inner wall of the guide cylinder.
In a preferred embodiment, the housing is made of a transparent material.
In a preferred embodiment, the screen cylinder is made of a wear resistant material.
The beneficial effects of the utility model are as follows:
according to the primary screening structure, the first motor drives the screening material cylinder to rotate to realize powder selection, materials are continuously collided with the wall of the screening material cylinder in the rotating process of the screening material cylinder, and the materials gathered together can be dispersed, so that the powder selection efficiency is improved.
The utility model is provided with the primary screening structure and the compound screening plate, can finish three-stage sorting of materials, can save the time of selecting powder and improves the production efficiency.
The first discharge hole, the second discharge hole and the third discharge hole are formed in the shell, and three-stage sorted materials fall from three different discharge holes, so that workers can conveniently sort the materials, the labor intensity of the workers is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of one of the structures of the present utility model;
FIG. 2 is a second schematic diagram of the structure of the present utility model;
FIG. 3 is one of the schematic diagrams of the present utility model;
FIG. 4 is a second schematic diagram of the present utility model;
fig. 5 is a schematic view of a partial structure of the present utility model.
In the figure: 100-shell, 110-first feed inlet, 111-second feed inlet, 120-inclined panel, 130-compound screen plate, 140-guide cylinder, 150-first discharge outlet, 151-receiving platform, 160-mounting inclined platform, 170-second discharge outlet, 180-blanking plate, 190-third discharge outlet, 200-first motor, 210-screen cylinder, 211-rotating shaft, 212-connecting rod, 213-brush hair, 300-collecting shell, 301-fourth discharge outlet, 302-guide inclined plate, 310-spiral conveying blade, 320-second motor, 400-first grinding roller, 410-second grinding roller, 420-gear, 430-third motor, 500-compound screen channel and 510-fifth discharge outlet.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings in the embodiments of the present utility model:
it should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indicator is correspondingly changed accordingly.
Furthermore, the descriptions of the "first," "second," and the like in this patent are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including at least one such feature.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1, fig. 2 and fig. 4, a multi-stage separation composite powder selecting device comprises a casing 100, a primary screening structure and a composite screening plate 130, wherein a first feeding hole 110 is formed in the casing 100, a bevel board 120 is arranged in the casing 100, the bevel board 120 is connected with the composite screening plate 130, and a filtering hole is formed in the composite screening plate 130.
A guide cylinder 140 is arranged in the machine shell 100, a first feed inlet 110 is communicated with the guide cylinder 140, a first discharge outlet 150 is arranged on the machine shell 100, a material receiving table 151 is arranged on the first discharge outlet 150, and a bracket is arranged on the material receiving table 151; the primary screening structure comprises a first motor 200 and a screening material cylinder 210, a rotating shaft 211 and a connecting rod 212 are arranged on the screening material cylinder 210, the rotating shaft 211 is connected with the wall of the screening material cylinder 210 through the connecting rod 212, and the wall of the screening material cylinder 210 is of a hollow structure.
The casing 100 is provided with an installation inclined table 160, the first motor 200 is arranged on the installation inclined table 160, the output end of the first motor 200 is connected with one end of a rotating shaft 211, and the other end of the rotating shaft 211 is rotatably connected with a bracket; the screen material cylinder 210 is communicated with the material guide cylinder 140 and the material receiving platform 151, the inclined panel 120 is arranged below the screen material cylinder 210, the compound screen plate 130 is connected with the machine shell 100, and one side of the compound screen plate 130 is provided with a second discharge port 170; a blanking plate 180 is arranged below the compound screen plate 130, the blanking plate 180 is obliquely arranged in the machine shell 100, and a third discharge hole 190 is arranged on one side of the blanking plate 180.
The rotating shaft 211 is rotationally connected with the bracket through a bearing, the rotating shaft 211 is connected with the bearing inner ring, and the bracket is connected with the bearing outer ring.
The cement is subjected to powder selection in the production process, so that the quality and performance of the cement are ensured to meet the standard requirements. The powder selecting means that powder substances suitable for producing cement are screened from materials (limestone, clay and other auxiliary materials), and the purpose of the powder selecting is to adjust the particle size and distribution, remove impurities and control the component proportion, thereby improving the strength, hardening time and other performance indexes of the cement.
When the utility model is used, the first motor 200 is started to rotate the screen material cylinder 210, then materials are poured into the machine shell 100 from the first material inlet 110, the materials fall into the screen material cylinder 210 along the material guide cylinder 140, the materials are contacted with the rotating inner wall of the screen material cylinder 210, and the materials are further scattered, because the wall of the screen material cylinder 210 is of a hollow structure (if the hollow structure consists of a plurality of round holes), the materials with the particle size smaller than the pore size of the round holes can fall onto the inclined panel 120 below the screen material cylinder 210, and the rest materials with the particle size larger than the pore size of the round holes can fall out of the machine shell 100 from the first material outlet 150. The material on the inclined panel 120 rolls along the inclined panel 120 and falls to the compound screen plate 130, and the material with the particle size smaller than the pore diameter of the filter holes falls to the blanking plate 180 below the compound screen plate 130 and then falls out of the machine shell 100 from the third discharge hole 190; materials having a particle size greater than the pore size of the filter pores will fall out of the housing 100 from the second outlet 170. The utility model completes the multi-stage separation of materials, realizes the three-time powder selection, accelerates the powder selection efficiency and saves the powder selection time.
In order to facilitate understanding of the powder selecting result, assuming that the aperture of the round hole is 15mm, the aperture of the filter hole is 10mm, after the material rolls off from the screen cylinder 210, the part of the material with the particle size smaller than 15mm falls onto the inclined panel 120, and the part of the material with the particle size larger than 15mm falls out of the machine shell 100 from the first discharge port 150; the material falling on the inclined plate 120 rolls down the inclined plate 120 to the composite screen plate 130, the part with the grain diameter smaller than 10mm in the material rolling on the composite screen plate 130 falls onto the blanking plate 180 from the filtering holes and then falls out of the machine shell 100 from the third discharging hole 190, and the part with the grain diameter larger than 10mm in the material on the composite screen plate 130 falls out of the machine shell 100 from the second discharging hole 170. The materials screened by the multi-stage separation composite powder selecting equipment can be divided into three parts with particle sizes of more than 15mm, particle sizes of 15-10 mm and particle sizes of less than 10mm, so that workers can conveniently further process the materials with different particle sizes, and the time of the workers is saved.
Example two
As shown in fig. 1 and 3, in the present embodiment, the recycling device further includes a recycling device, the recycling device includes a collecting case 300, a spiral conveying blade 310, and a second motor 320, the collecting case 300 is disposed at one side of the casing 100, and the collecting case 300 is communicated with the first discharge port 150; the second motor 320 is arranged in the collecting shell 300, an output shaft of the second motor 320 is connected with one end of the spiral conveying blade 310, the other end of the spiral conveying blade 310 is rotationally connected with the collecting shell 300, a fourth discharge hole 301 is formed in the collecting shell 300, a second feed inlet 111 is formed in the machine shell 100, and the second feed inlet 111 is arranged below the fourth discharge hole 301.
The material after primary screening structure is likely to have the improper condition of particle diameter, in order to further screen the material, the material that drops from first discharge gate 150 can fall into and roll down along collecting the inclined plane of shell 300 to spiral delivery blade 310 in collecting shell 300, under the drive of second motor 320, spiral delivery blade 310 can transport the material to fourth discharge gate 301, and the material falls into second pan feeding mouth 111 from fourth discharge gate 301 and selects the powder again, has improved the efficiency of selecting the powder.
Example III
As shown in fig. 2 and 5, in the present embodiment, a rolling device is disposed on the second feeding port 111, and the rolling device includes a first rolling roller 400, a second rolling roller 410, a gear 420 and a third motor 430, where the first rolling roller 400 is rotationally connected with the second feeding port 111, the second rolling roller 410 is rotationally connected with the second feeding port 111, an output shaft of the third motor 430 is connected with the first rolling roller 400, and the first rolling roller 400 and the second rolling roller 410 transmit rotation through engagement of the gear 420. The rolling device can crush the materials which are transported to the fourth discharge hole 301 through the recycling device and fall into the second feed hole 111, so that the particle size of the materials is reduced, fine powder selection is facilitated, and the powder selection efficiency is improved.
Further, in order to improve the powder selecting effect, a re-screening channel 500 is disposed below the second feeding port 111, a fifth discharging port 510 is disposed on the casing 100, the fifth discharging port 510 is communicated with the inside of the re-screening channel 500 and the inside of the collecting casing 300, a blanking hole is disposed on the re-screening channel 500, and the aperture of the blanking hole is the same as that of the round hole on the screen cylinder 210. The crushed material through the rolling device on the second feeding hole 111 falls into the re-screening channel 500, the material smaller than the aperture of the blanking hole in the re-screening channel 500 falls onto the re-screening plate 130 below through the blanking hole, the material which is screened again by the re-screening plate 130 and then rolls out of the machine shell 100 from the second discharging hole 170 or the third discharging hole 190, and the material larger than the aperture of the blanking hole falls into the recovery device from the fifth discharging hole 510 along the re-screening channel 500.
Example IV
As shown in fig. 2 and 5, in the present embodiment, a material guiding inclined plate 302 is provided on the fourth discharge port 301. The material guiding inclined plate 302 can play a guiding role on the material falling from the fourth discharge hole 301, prevent the material from falling outside the second feed hole 111, cause material waste, and simultaneously cause inconvenience for cleaning of staff.
Example five
As shown in fig. 5, in the present embodiment, the first crushing roller 400 and the second crushing roller 410 further crush the material dropped from the fourth discharge port 301, and in order to avoid the material adhering to the first crushing roller 400 and the second crushing roller 410, a smooth coating, optionally a polytetrafluoroethylene non-adhering coating, is sprayed on the surfaces of the first crushing roller 400 and the second crushing roller 410. Avoiding the blockage of the second feed inlet 111 caused by the adhesion of materials to the surfaces of the first grinding roll 400 and the second grinding roll 410.
Example six
As shown in fig. 3, in the present embodiment, bristles 213 are provided on the rotating shaft 211, and the ends of the bristles 213 are in contact with the inner wall of the guide cylinder 140. The bristles 213 are synchronously rotated while the screen cylinder 210 is rotated, and the bristles 213 can clean the inner wall of the guide cylinder 140, so that the first feed inlet 110 is prevented from being blocked by the accumulated materials on the inner wall of the guide cylinder 140.
Example seven
In this embodiment, the casing 100 is made of a transparent material. The casing 100 made of transparent materials can facilitate workers to observe the working condition inside the powder selecting machine, and when the screen material cylinder 210 is clamped, the workers can close the first motor 200 in time to prevent the first motor 200 from continuously operating to cause the motor to generate heat and reduce the service life of the first motor 200.
Example eight
In this embodiment, the screen cylinder 210 is made of a wear resistant material. When the screen cylinder 210 rotates, both ends of the screen cylinder 210 always rub against the guide cylinder 140 and the receiving table 151, and abrasion-resistant materials can reduce friction of the screen cylinder 210, so that the service life of the screen cylinder 210 is prolonged.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present utility model, including by way of example only, and not by way of limitation, any modifications, equivalents, or improvements thereto should be construed as falling within the spirit and scope of the present utility model.

Claims (8)

1. The utility model provides a compound powder equipment of selecting of multistage separation which characterized in that: the novel double-screen-plate filter comprises a machine shell (100), a primary screen structure and a double-screen plate (130), wherein a first feed inlet (110) is formed in the machine shell (100), an inclined panel (120) is arranged in the machine shell (100), the inclined panel (120) is connected with the double-screen plate (130), and a filter hole is formed in the double-screen plate (130);
a guide cylinder (140) is arranged in the shell (100), the first feeding port (110) is communicated with the guide cylinder (140), a first discharging port (150) is arranged on the shell (100), a receiving table (151) is arranged on the first discharging port (150), and a bracket is arranged on the receiving table (151); the primary screening structure comprises a first motor (200) and a screening material cylinder (210), a rotating shaft (211) and a connecting rod (212) are arranged on the screening material cylinder (210), the rotating shaft (211) is connected with the cylinder wall of the screening material cylinder (210) through the connecting rod (212), and the cylinder wall of the screening material cylinder (210) is of a hollow structure;
the machine shell (100) is provided with an installation inclined table (160), the first motor (200) is arranged on the installation inclined table (160), the output end of the first motor (200) is connected with one end of a rotating shaft (211), and the other end of the rotating shaft (211) is rotatably connected with a bracket; the screen charging barrel (210) is communicated with the material guide barrel (140) and the material receiving table (151), the inclined panel (120) is arranged below the screen charging barrel (210), the compound screen plate (130) is connected with the machine shell (100), and a second discharge hole (170) is formed in one side of the compound screen plate (130); a blanking plate (180) is arranged below the compound sieve plate (130), the blanking plate (180) is obliquely arranged in the machine shell (100), and a third discharge hole (190) is formed in one side of the blanking plate (180).
2. The multi-stage separation composite powder selecting device according to claim 1, wherein: the recycling device comprises a collecting shell (300), a spiral conveying blade (310) and a second motor (320), wherein the collecting shell (300) is arranged on one side of the machine shell (100), and the collecting shell (300) is communicated with the first discharge hole (150); the second motor (320) is arranged in the collecting shell (300), an output shaft of the second motor (320) is connected with one end of the spiral conveying blade (310), the other end of the spiral conveying blade (310) is rotationally connected with the collecting shell (300), a fourth discharging hole (301) is formed in the collecting shell (300), a second feeding hole (111) is formed in the machine shell (100), and the second feeding hole (111) is arranged below the fourth discharging hole (301).
3. The multi-stage separation composite powder selecting device according to claim 2, wherein: be provided with rolling machine on second pan feeding mouth (111), rolling machine includes first roller (400), second roller (410), gear (420) and third motor (430), first roller (400) are connected with second pan feeding mouth (111) rotation, second roller (410) are connected with second pan feeding mouth (111) rotation, the output shaft of third motor (430) is connected with first roller (400), first roller (400) are rotated through the meshing transmission of gear (420) with second roller (410).
4. The multi-stage separation composite powder selecting device according to claim 2, wherein: and a material guiding inclined plate (302) is arranged on the fourth discharging hole (301).
5. A multi-stage separation composite powder selecting device according to claim 3, wherein: the surfaces of the first grinding roller (400) and the second grinding roller (410) are sprayed with a smooth coating.
6. The multi-stage separation composite powder selecting device according to claim 1, wherein: the rotating shaft (211) is provided with bristles (213), and the end parts of the bristles (213) are contacted with the inner wall of the guide cylinder (140).
7. The multi-stage separation composite powder selecting device according to claim 1, wherein: the housing (100) is made of a transparent material.
8. The multi-stage separation composite powder selecting device according to claim 1, wherein: the screen cylinder (210) is made of wear-resistant material.
CN202322298951.9U 2023-08-25 2023-08-25 Multi-stage separation composite powder selecting device Active CN220678596U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322298951.9U CN220678596U (en) 2023-08-25 2023-08-25 Multi-stage separation composite powder selecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322298951.9U CN220678596U (en) 2023-08-25 2023-08-25 Multi-stage separation composite powder selecting device

Publications (1)

Publication Number Publication Date
CN220678596U true CN220678596U (en) 2024-03-29

Family

ID=90411603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322298951.9U Active CN220678596U (en) 2023-08-25 2023-08-25 Multi-stage separation composite powder selecting device

Country Status (1)

Country Link
CN (1) CN220678596U (en)

Similar Documents

Publication Publication Date Title
CN209333853U (en) A kind of quartz sand powder ball mill of multistage grinding
WO2020048278A1 (en) Cement roller press finish grinding system and working method
CN108284066B (en) Civil engineering is with categorised garrulous husky sieve sand machine
CN113976210B (en) Standardized concentrated powder process production system of ceramic raw materials
CN211755833U (en) Cement scattering grader
CN111905871B (en) Multistage breaker of building aggregate
CN111167589B (en) Dry sand making process
CN220678596U (en) Multi-stage separation composite powder selecting device
CN206454883U (en) Build roller sand sieving machine
CN208867382U (en) A kind of raw mill plant of aluminosilicate property plastic refractory
CN107617501B (en) Multistage grinding superfine powder production process and system thereof
CN115709110A (en) Roller mill for processing cement raw materials
CN208275482U (en) A kind of broken extension set of old and useless battery
CN214211328U (en) Airflow screen convenient for charging in calcium carbonate production
CN108380302A (en) A kind of foster pig's feed conveying crushing device
CN213315221U (en) Breaker is used in calcium carbonate powder production
CN210420784U (en) Recycled asphalt concrete production used material conveying device with screening mechanism
CN209849010U (en) Cylindrical screen at ore discharge end of overflow ball mill
CN110801889A (en) Breaker is used in chromium ore processing
CN106694107B (en) Calcium hydroxide flour mill
CN220547230U (en) Sorting equipment for gravel
CN110433945A (en) Dry-method sand manufacturing equipment
CN213103083U (en) Drum sieve ejection of compact removes miscellaneous device
CN217911398U (en) Raw material sand grain screening equipment for multi-model residential building construction
CN220835729U (en) Grinding equipment for paint production

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant