CN216189257U

CN216189257U - Superfine mineral admixture feeding and warehousing device

Info

Publication number: CN216189257U
Application number: CN202122612189.8U
Authority: CN
Inventors: 曹虎; 冷发光; 李鹏; 王晶; 陈鹏; 高超; 汤国芳; 周永祥; 刘宗信; 张格梅; 刘贵双; 胡居凯; 曹强; 李健; 卢传泰; 王娜; 周生士; 胡昊男
Original assignee: Jiangsu Chengyi Engineering Technology Research Institute Co ltd; Jiangsu Chengxin Pile Technology Development Co ltd; China Academy of Building Research CABR
Current assignee: Jiangsu Chengyi Engineering Technology Research Institute Co ltd; Jiangsu Chengxin Pile Technology Development Co ltd; China Academy of Building Research CABR
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a feeding and warehousing device for an ultrafine mineral admixture, which comprises a feeding mechanism, wherein the discharge end of the feeding mechanism is connected with the feed end of a bin pump system through a feeding valve, the bin pump system comprises a pressure metal bin and a material level meter connected with the pressure metal bin, the pressure metal bin is communicated with a high-pressure air source through an air inlet valve, the discharge end of the pressure metal bin is communicated with a receiving material barrel through a discharge valve, and the discharge valve is communicated with an air blowing mechanism for back blowing the material to the pressure metal bin. The utility model can realize the function of directly feeding and warehousing the superfine mineral admixture without encryption, the air blowing mechanism comprises an air guide tube and an air guide pump, the exhaust end of the air guide pump is connected with the material conveying pipe of the discharge valve through the air guide tube, when the discharging of the equipment is not smooth, the air blowing mechanism can back blow the materials in the discharge valve and at the discharge interface into the pressure metal bin, thereby avoiding the occurrence of blockage and facilitating the continuous material conveying.

Description

Superfine mineral admixture feeding and warehousing device

Technical Field

The utility model relates to the technical field of fine mineral processing, in particular to a feeding and warehousing device for an ultrafine mineral admixture.

Background

Mineral admixtures improve the performance, mechanical properties and durability of concrete mixtures and are referred to as the sixth component of concrete. When the mineral admixture is finer, the volcanic ash effect, the morphological effect, the filling effect and the like of the mineral admixture are more obvious, and the performance of the mineral admixture is more obvious, so that the mineral admixture tends to develop in a superfine direction at present, such as silica fume, metakaolin, ultrafine fly ash, ultrafine slag powder and the like, the average particle size reaches below 3 mu m, and the specific surface area is higher than 1000m 2/kg. The specific surface area of the cement is about 400m2/kg, the bulk cement is conveyed to a mixing station for warehousing and is conveyed to a vertical silo of the mixing station by a cement tanker at present, the specific surface area of the superfine mineral admixture is far higher than that of the cement, and when the superfine mineral admixture is conveyed by the cement tanker for warehousing, the electrostatic attraction of the superfine mineral admixture is large, so that the superfine mineral admixture cannot be loaded and warehoused due to pipe blockage.

The traditional feeding and warehousing operation is usually carried out by adopting conveying modes such as a conveying belt and the like, so that a plurality of obstacles cannot be avoided and the traditional feeding and warehousing operation cannot be used in a complex environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding and warehousing device for an ultrafine mineral admixture, which has the advantages of avoiding a plurality of obstacles and carrying out conveying and feeding in a complex environment, and solves the problems that the feeding and warehousing is usually operated by adopting conveying modes such as a conveyor belt, the plurality of obstacles cannot be avoided and the device cannot be used in the complex environment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an ultra-fine mineral admixture material loading warehousing device, includes feed mechanism, the feed end of feed mechanism discharge end through feed valve connection storehouse pump system, storehouse pump system includes pressure metal storehouse and connects in the charge level indicator in pressure metal storehouse, pressure metal storehouse switches on high pressurized air source through the admission valve, the discharge end in pressure metal storehouse switches on through the blow off valve and receives the feed cylinder, the blow off valve leads to has the mechanism of blowing that is used for with material blowback to pressure metal storehouse.

Preferably, the feeding mechanism comprises a feeding hopper and a conveying pipeline, and the top end of the conveying pipeline is connected with the bottom end of the feeding hopper.

Preferably, a driving motor is installed at the top end of the feeding hopper, a power output end of the driving motor is connected with a rotating main shaft, a grinding head is connected to the bottom end of the rotating main shaft, a spiral propelling column is connected to the bottom end of the grinding head, and the bottom end of the spiral propelling column is inserted into the conveying pipeline.

Preferably, the included angle between the outer side surface of the grinding head and the inner wall of the feeding hopper is 15-25 degrees.

Preferably, the discharge valve is connected with the receiving material barrel through a material conveying pipe, the blowing mechanism comprises an air guide pipe and an air guide pump, the exhaust end of the air guide pump is connected with the material conveying pipe through the air guide pipe, and a regulating valve is arranged between the connecting position of the air guide pipe and the material conveying pipe and between the connecting position of the air guide pipe and the receiving material barrel.

Preferably, the level gauge comprises a fixed tank and an observation window for observing the level of the material in the fixed tank.

Preferably, the front end of the observation window is provided with scale marks and a magnifier, and the magnifier is positioned on one side of the scale marks.

Preferably, a manual maintenance valve is installed on the material conveying pipeline.

Compared with the prior art, the utility model has the following beneficial effects: the utility model has simple structure and convenient use, can realize the function of directly feeding and warehousing superfine mineral admixtures without encryption, and has the characteristics of high speed and high efficiency.

The blowing mechanism is communicated with the discharge valve and comprises an air guide tube and an air guide pump, the exhaust end of the air guide pump is connected with a material conveying pipe of the discharge valve through the air guide tube, when the discharge of the equipment is not smooth, the blowing mechanism can back blow materials in the discharge valve and at the discharge interface into the pressure metal bin, so that the blockage phenomenon is avoided, and the material can be conveniently and continuously conveyed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the feed mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the level gauge of the present invention;

fig. 4 is a schematic structural diagram of the blowing mechanism of the present invention.

In the figure: 1. a feeding mechanism; 2. a manual service valve; 4. a feed valve; 5. an intake valve; 6. a level gauge; 8. a pressure metal bin; 9. a pressure transmitter; 10. an exhaust valve; 11. a discharge valve; 12. a material conveying pipe; 13. a pressure gas storage tank; 14. an air compressor; 15. receiving a cartridge; 16. a bin pump system; 17. a delivery pipeline; 18. a drive motor; 19. rotating the main shaft; 20. grinding the head; 21. a screw propulsion column; 22. a fixed box; 23. a magnifying glass; 24. an observation window; 25. scale lines; 26. a blowing mechanism; 27. an air duct; 28. adjusting a valve; 29. a feeding hopper; 30. a discharge port; 31. air guide pump.

Detailed Description

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

Referring to fig. 1 to 4, the present invention provides an ultrafine mineral admixture feeding and warehousing device, which includes a feeding mechanism 1, a discharging end of the feeding mechanism 1 is connected to a feeding end of a bin pump system 16 through a feeding valve 4, the bin pump system 16 includes a pressure metal bin 8 and a level indicator 6 connected to the pressure metal bin 8, and the level indicator 6 can realize material metering and facilitate observation of people. The pressure metal bin 8 is communicated with a high-pressure air source through the air inlet valve 5, the high-pressure air source comprises a pressure air storage tank 13 and an air compressor 14, and the air compressor 14 can inflate the pressure air storage tank 13. Pressure transmitter 9 can detect the pressure size in pressure metal storehouse 8, makes things convenient for people's monitoring to observe. The discharge end of the pressure metal bin 8 is communicated with the receiving charging barrel 15 through the discharge valve 11, when the pressure in the pressure gas storage tank 13 reaches a preset value, the gas inlet valve 5 of the pressure metal bin 8 is opened, the compressed air in the pressure gas storage tank 13 enters the pressure metal bin 8, when the bin pump pressure reaches a specified value, the discharge valve 11 of the pressure metal bin 8 is opened, the superfine mineral admixture is output to the discharge valve 11 from the pressure metal bin 8 along with the air under the action of high pressure, and then the superfine mineral admixture is conveyed into the receiving charging barrel 15 through the material conveying pipe 12, so that the function of directly loading and warehousing the superfine mineral admixture without encryption can be realized, and the device has the characteristics of high speed and high efficiency. The blow-off valve 11 leads to be used for blowing the material blowback to the mechanism 26 of blowing of pressure metal storehouse 8, and when the equipment row material appears and expects not smoothly, blow mechanism 26 can be with in the blow-off valve 11 and ejection of compact interface 30 department material blowback to pressure metal storehouse 8 in, avoid appearing blockking up the sign, convenient continuation is defeated the material. The exhaust valve 10 of the pressure metal bin 8 can be opened to release the compressed air in the pressure metal bin 8.

The feeding mechanism 1 comprises a feeding hopper 29 and a conveying pipeline 17, and the top end of the conveying pipeline 17 is connected with the bottom end of the feeding hopper 29.

The top end of the feeding hopper 29 is provided with a driving motor 18, the power output end of the driving motor 18 is connected with a rotating main shaft 19, the bottom end of the rotating main shaft 19 is connected with a grinding head 20, the bottom end of the grinding head 20 is connected with a spiral propelling column 21, and the bottom end of the spiral propelling column 21 is inserted into the conveying pipeline 17. The driving motor 18 drives the rotating main shaft 19 to rotate at a constant speed, so as to drive the grinding head 20 to rotate, thereby realizing grinding treatment, obtaining fine materials and providing a good foundation for subsequent processing. The top center of the grinding head 20 is high, the edge is at the bottom, and there is an annular gap between the edge of the top of the grinding head 20 and the inner wall of the feeding hopper 29, so that the materials can flow to the bottom of the feeding hopper 29 from the top of the grinding head 20 conveniently, and the top position of the spiral propelling column 21 is higher than the top end of the conveying pipeline 17, thereby avoiding the clamping stagnation phenomenon of the materials.

The included angle between the outer side surface of the grinding head 20 and the inner wall of the feeding hopper 29 is 15-25 degrees, and the included angle is A in figure 2.

The discharge valve 11 is connected with the receiving material barrel 15 through the material conveying pipe 12, the blowing mechanism 26 comprises an air guide pipe 27 and an air guide pump 31, the air exhaust end of the air guide pump 31 is connected with the material conveying pipe 12 through the air guide pipe 27, and an adjusting valve 28 is further arranged between the connecting position of the air guide pipe 27 and the material conveying pipe 12 and the receiving material barrel 15. Air guide pump 31 leads to the material conveying pipe 12 with external gas through air duct 27 in, and the air current is in the pressure metal storehouse 8 is carried along material conveying pipe 12 one end, is convenient for with in the relief valve 11 and discharge interface 30 department material leading-in to the pressure metal storehouse 8, the follow-up defeated material of being convenient for. The regulating valve 28 is operated to prevent the flow of air to the receiving cartridge 15 during the blow back process.

The level gauge 6 comprises a stationary box 22 and an observation window 24 for observing the level of the material in the stationary box 22. The dynamic state of the material can be conveniently known through the observation window 24, and the observation window is very intuitive.

The front end of the observation window 24 is provided with a scale mark 25 and a magnifier 23, and the magnifier 23 is positioned at one side of the scale mark 25. The magnifying glass 23 is used for magnifying the materials, so that people can conveniently survey the materials, and the amount of the materials can be known by observing the scale marks 25.

The manual maintenance valve 2 is installed on the material conveying pipeline 17, and the manual maintenance valve 2 is operated to conveniently cut off the material, so that the subsequent pipeline is maintained conveniently.

The working principle is as follows: the material is thrown into a feeding hopper 29 from a feeding hole of the feeding mechanism 1, a driving motor 18 is installed at the top end of the feeding hopper 29, a power output end of the driving motor 18 is connected with a rotating main shaft 19, and the bottom end of the rotating main shaft 19 is connected with a grinding head 20. The driving motor 18 drives the rotating main shaft 19 to rotate at a constant speed, so as to drive the grinding head 20 to rotate, thereby realizing grinding treatment, obtaining fine materials and providing a good foundation for subsequent processing. Meanwhile, the bottom end of the grinding head 20 is connected with a spiral propelling column 21, the bottom end of the spiral propelling column 21 is inserted into the conveying pipeline 17, and materials smoothly flow into the conveying pipeline 17 due to rotation of the spiral propelling column 21, so that the conveying pipeline 17 is prevented from being blocked. The material enters a bin pump system 16, an air inlet valve 5 of a pressure metal bin 8 is opened, compressed air in a pressure air storage tank 13 enters the pressure metal bin 8, when the pressure of the bin pump reaches a specified value, a discharge valve 11 of the pressure metal bin 8 is opened, the superfine mineral admixture is output to the discharge valve 11 from the pressure metal bin 8 along with air under the action of high pressure, and then the superfine mineral admixture is conveyed to a receiving charging barrel 15 through a material conveying pipe 12. When the discharging of equipment appears and arranges the material not smoothly, operation governing valve 28 plugs up material conveying pipe 12, can avoid the air current flow direction to receive feed cylinder 15, and blow mechanism 26 can be with in the blow-off valve 11 and ejection of compact interface 30 department material blowback to pressure metal bin 8 in, avoid appearing blocking up the sign, convenient continuation is defeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ultra-fine mineral admixture material loading warehousing device, includes feed mechanism (1), its characterized in that: the feed end that feed mechanism (1) discharge end passes through feed valve (4) and connects storehouse pump system (16), storehouse pump system (16) include pressure metal storehouse (8) and connect in charge level indicator (6) in pressure metal storehouse (8), pressure metal storehouse (8) switch on high pressurized air source through admission valve (5), the discharge end in pressure metal storehouse (8) switches on through blow-off valve (11) and receives feed cylinder (15), blow-off valve (11) lead on have be used for with material blowback to pressure metal storehouse (8) blow mechanism (26).

2. The feeding and warehousing device for the ultra-fine mineral admixtures according to claim 1, characterized in that the feeding mechanism (1) comprises a feeding hopper (29) and a feeding pipeline (17), and the top end of the feeding pipeline (17) is connected with the bottom end of the feeding hopper (29).

3. The feeding and warehousing device for the ultra-fine mineral admixtures according to claim 2, characterized in that a driving motor (18) is installed at the top end of the feeding hopper (29), a rotating main shaft (19) is connected to the power output end of the driving motor (18), a grinding head (20) is connected to the bottom end of the rotating main shaft (19), a screw propelling column (21) is connected to the bottom end of the grinding head (20), and the bottom end of the screw propelling column (21) is inserted into the conveying pipeline (17).

4. The device for feeding and warehousing the ultra-fine mineral admixture as claimed in claim 3, wherein the included angle between the outer side surface of the grinding head (20) and the inner wall of the feeding hopper (29) is 15-25 degrees.

5. The ultra-fine mineral admixture loading and warehousing device as claimed in claim 1, characterized in that the discharge valve (11) is connected with the receiving material cylinder (15) through a material conveying pipe (12), the blowing mechanism (26) comprises an air duct (27) and an air guide pump (31), the exhaust end of the air guide pump (31) is connected with the material conveying pipe (12) through the air duct (27), and an adjusting valve (28) is further arranged between the connecting part of the air duct (27) and the material conveying pipe (12) and the receiving material cylinder (15).

6. The loading and warehousing device for ultra-fine mineral admixtures according to claim 1, characterized in that the level gauge (6) comprises a fixed box (22) and an observation window (24) for observing the height of the admixtures in the fixed box (22).

7. The feeding and warehousing device for the ultrafine mineral admixture according to claim 6, characterized in that scale marks (25) and a magnifying glass (23) are installed at the front end of the observation window (24), and the magnifying glass (23) is located on one side of the scale marks (25).

8. The feeding and warehousing device for the ultra-fine mineral admixtures according to claim 2, characterized in that the delivery pipeline (17) is provided with a manual service valve (2).