CN216631130U

CN216631130U - Multistage crushing type fine-quality machine-made sand grinding equipment

Info

Publication number: CN216631130U
Application number: CN202123385512.9U
Authority: CN
Inventors: 陈克祥; 李洪文
Original assignee: Chongqing Zhongzhou Manzi Building Materials Group Co ltd
Current assignee: Chongqing Zhongzhou Manzi Building Materials Group Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-31
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses multistage crushing type fine product machine-made sand grinding equipment which comprises a vibrating type feeding machine, a jaw crusher, a cone crusher, a first-stage vibrating sand screening machine, a vertical shaft type impact crusher, a sand washing machine, a drying machine and a high-pressure grinding machine, wherein a discharge port of the vibrating type feeding machine is connected with a feed port of the jaw crusher, a discharge port of the jaw crusher is connected with a feed port of the cone crusher, a discharge port of the cone crusher is connected with a feed port of the first-stage vibrating sand screening machine, a fine material outlet of the first-stage vibrating sand screening machine is connected with a feed port of the vertical shaft type impact crusher, a discharge port of the vertical shaft type impact crusher is connected with a feed port of the sand washing machine, and a discharge port of the sand washing machine is connected with a feed port of the drying machine. The utility model provides multistage crushing type fine machine-made sand grinding equipment which can reasonably utilize resources, improve the discharge rate and reduce the waste rate and the powder content of finished sand.

Description

Multistage crushing type fine-quality machine-made sand grinding equipment

Technical Field

The utility model relates to the technical field of machine-made sand processing, in particular to multistage crushing type fine product machine-made sand grinding equipment.

Background

With the increasing demand of infrastructure construction in China, the market demand of machine-made sand increases year by year. The sand production line is suitable for the application of industries such as hydropower, building materials, highways, urban construction and the like, can be used for aggregates of various materials such as hard limestone, granite, basalt, cobble, slag and the like and artificial sand production operation, and is particularly suitable for the special construction fields of producing and processing highway surface materials, highway pavement broken stones, highway passenger special line gravel aggregates, hydropower station gravel materials, port wharfs, crushed stones for airport runways and the like. Under this background, degree of automation is high, and the breakage ratio is big, and system sand line that production efficiency is high can bring considerable economic benefits for the customer.

The utility model discloses a multistage broken production line of stone material as disclosed in patent ZL201020548584.3, including the first shale shaker sand device that has hopper, the input of feed inlet, discharge gate and connect the hopper discharge gate, the first breaker, the second breaker of the first breaker output are connected to the input of the first shale shaker sand device coarse fodder output and the first conveyor of connection between the first shale shaker sand device fine fodder output and second breaker input, the fineness modulus of first, second breaker output particle reduces in proper order, and above-mentioned multistage broken production line of stone material has high efficiency, energy-conserving advantage.

However, the multistage stone crushing production line cannot reasonably utilize resources, has a low discharge rate and generates a lot of waste materials, and the finished machine-made sand produced by the multistage stone crushing production line has a high powder content, so that the strength of concrete is easily affected when the multistage stone crushing production line is used as aggregate in concrete production.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides multistage crushing type fine product machine-made sand grinding equipment which can reasonably utilize resources, improve the discharge rate and reduce the waste rate and the powder content of finished sand.

In order to achieve the purpose, the utility model discloses multistage crushing type fine product machine-made sand grinding equipment which is characterized by comprising a vibrating type feeding machine, a jaw crusher, a cone crusher, a primary vibration sand screening machine, a vertical shaft type impact crusher, a sand washing machine, a dryer and a high-pressure grinding machine, wherein a discharge hole of the vibrating type feeding machine is connected with a feed hole of the jaw crusher, a discharge hole of the jaw crusher is connected with a feed hole of the cone crusher, a discharge hole of the cone crusher is connected with a feed hole of the primary vibration sand screening machine, a fine material outlet of the primary vibration sand screening machine is connected with a feed hole of the vertical shaft type impact crusher, a discharge hole of the vertical shaft type impact crusher is connected with a feed hole of the sand washing machine, a discharge hole of the sand washing machine is connected with a feed hole of the dryer, the primary vibration sand screening machine is also provided with a coarse material outlet and an intermediate material outlet, the coarse fodder export with the feed inlet of cone crusher links up mutually, the export of middle material with the feed inlet of high-pressure milling machine links up mutually, the discharge gate of high-pressure milling machine with the feed inlet of one-level shale shaker links up mutually.

Furthermore, a discharge port of the dryer is connected with a secondary vibration sand screening machine, and the secondary vibration sand screening machine is used for screening finished product sand with different particle sizes.

Furthermore, the vibration type feeding machine, the jaw crusher, the cone crusher, the primary vibrating sand screening machine, the vertical shaft type impact crusher, the sand washing machine, the dryer, the high-pressure grinding machine and the secondary vibrating sand screening machine all adopt closed conveying lines for material conveying.

Still further, the dryer comprises a conveying pipe which is obliquely arranged, and a heating mechanism for heating the materials conveyed by the conveying pipe is arranged on the conveying pipe.

Furthermore, the heating mechanism comprises a jacket sleeved on the conveying pipe, an annular space between the inner surface wall of the jacket and the outer surface wall of the conveying pipe is used as a hot air circulation cavity, and an air inlet and an air outlet communicated with the hot air circulation cavity are respectively arranged at two ends of the jacket.

Furthermore, an air heater is connected to the air inlet of the jacket.

Furthermore, a spiral conveying blade is arranged in the conveying pipe, and the spiral conveying blade is driven by a conveying motor.

Furthermore, a motor mounting seat is arranged at one end of the conveying pipe, the conveying motor is arranged on the motor mounting seat, and an output shaft of the conveying motor is in transmission connection with a rotating shaft of the spiral conveying blade through a transmission mechanism.

Furthermore, the second-stage vibration sand screening machine comprises a base, a screening box is supported on the base through an elastic support, a feeding hopper is arranged on the screening box, a vibration motor is further arranged on the box wall of the screening box, and a plurality of replaceable screening nets are further obliquely arranged in the screening box.

Compared with the prior art, the utility model has the following remarkable effects:

1. the utility model can be suitable for the sand making production of soft and hard ores, and has the advantages of good finished product grain shape, small equipment abrasion, high reliability, low use and maintenance cost and good economy;

2. the material can be screened into fine material, intermediate material and coarse material by using the primary vibration sand screening machine, wherein the coarse material can return to a higher-level cone crusher for secondary crushing, the intermediate material is finely ground by using a high-pressure grinding machine, and the coarse material and the intermediate material are sent into a vertical shaft type impact crusher after meeting the requirement of the particle size of the fine material, so that ore resources are fully utilized, the discharging rate is improved, and the waste material rate is reduced;

3. according to the utility model, the sand washer and the dryer are additionally arranged at the tail end of the equipment, so that the powder content of the finished product sand can be obviously reduced, the moisture of the machine-made sand is removed, and the machine-made sand is prevented from caking due to long-term storage, thereby improving the quality of the machine-made sand.

Drawings

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

FIG. 1 is a schematic overall structure diagram of the first embodiment;

FIG. 2 is a schematic view showing the internal structure of a dryer according to the first embodiment;

FIG. 3 is a schematic structural diagram of a secondary vibrating sand screen in the first embodiment;

FIG. 4 is a schematic view of the overall structure of the second embodiment;

FIG. 5 is a schematic view showing the internal structure of a dryer according to a second embodiment;

reference numbers in the figures: 10-vibration type feeding machine, 20-jaw crusher, 30-cone crusher, 40-primary vibration sand screening machine, 50-vertical shaft type impact crusher, 60-sand washer, 70-drier, 80-high pressure pulverizer, 90-secondary vibration sand screening machine, 701-conveying pipe, 702-jacket, 703-hot air circulation cavity, 704-air inlet, 705-air outlet, 706-hot air blower, 707-spiral conveying blade, 708-conveying motor, 709-motor mounting seat, 710-transmission mechanism, 901-base, 902-screen box, 903-feeding hopper, 904-vibration motor, 905-screen mesh, 906-elastic support, 100-exhaust fan and 110-cyclone dust remover.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "conveying", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Fig. 1 shows a first embodiment of the present invention, in which a solid line is used for directing the conveying path of the material and a dashed line is used for directing the flow path of the hot air, and the solution of the embodiment is as follows: the utility model provides a multistage broken formula fine work mechanism sand mill powder equipment, includes vibrating feeder 10, jaw breaker 20, cone crusher 30, one-level vibration sand screening machine 40, vertical shaft type impact breaker 50, sand washer 60, desiccator 70 and high-pressure milling machine 80, the discharge gate of vibrating feeder 10 with the feed inlet of jaw breaker 20 links up mutually, the discharge gate of jaw breaker 20 with the feed inlet of cone crusher 30 links up mutually, the discharge gate of cone crusher 30 with the feed inlet of one-level vibration sand screening machine 40 links up mutually, the thin material export of one-level vibration sand screening machine 40 with the vertical shaft type of feed inlet of impacting breaker 50 links up mutually, the discharge gate of vertical shaft type impact breaker 50 with the feed inlet of sand washer 60 links up, the discharge gate of sand washer 60 with the feed inlet of desiccator 70 links up mutually, one-level shale shaker 40 still has coarse fodder export and middle material export, the coarse fodder export with the feed inlet of cone crusher 30 links up mutually, middle material export with the feed inlet of high-pressure milling machine 80 links up mutually, the discharge gate of high-pressure milling machine 80 with the feed inlet of one-level shale shaker 40 links up mutually.

During specific implementation, in order to meet the requirements of different particle size machine-made sands on the market, the discharge port of the dryer 70 is also connected with a secondary vibrating sand sieving machine 90, and the secondary vibrating sand sieving machine 90 is used for sieving finished product sands with different particle sizes. As shown in fig. 3, the secondary vibration sand screening machine 90 preferably includes a base 901, a screen box 902 is supported on the base 901 through an elastic support 906, a feeding hopper 903 is disposed on the screen box 902, a vibration motor 904 is further disposed on a wall of the screen box, and a plurality of replaceable screens 905 are further obliquely disposed in the screen box 902.

In order to reduce the dust flying and improve the production environment of the machine-made sand, the vibrating feeder 10, the jaw crusher 20, the cone crusher 30, the first-level vibration screening machine 40, the vertical shaft type impact crusher 50, the sand washer 60, the dryer 70, the high-pressure flour mill 80 and the material conveying between the second-level vibration screening machines 90 all adopt a closed conveying line.

As can be seen from fig. 2, in practical use, the dryer 70 includes a conveying pipe 701 arranged obliquely, and a heating mechanism for heating the material conveyed by the conveying pipe 701 is arranged on the conveying pipe 701. The heating mechanism comprises a jacket 702 sleeved on the conveying pipe 701, an annular space between the inner surface wall of the jacket 702 and the outer surface wall of the conveying pipe 701 is used as a hot air circulation cavity 703, and an air inlet 704 and an air outlet 705 communicated with the hot air circulation cavity 703 are respectively arranged at two ends of the jacket 702. A hot air blower 706 is connected to the air inlet 704 of the jacket 702. A screw blade 707 is further provided in the conveyance pipe 701, and the screw blade 707 is driven by a conveyance motor 708. Preferably, a motor mounting base 709 is provided at one end of the transport pipe 701, the transport motor 708 is provided on the motor mounting base 709, and an output shaft of the transport motor 708 is drivingly connected to a rotating shaft of the screw transport blade 707 through a transmission mechanism 710.

In this embodiment, when the conveying pipe 701 conveys the material, the material is sufficiently dried when entering the second-stage vibrating sand sieving machine 90 along with the stirring of the spiral conveying blade 707 and the drying of the hot air circulation cavity 703, so that the finished product quality of the machine-made sand is ensured, the storage time of the machine-made sand is prolonged, and the influence of the caking of the machine-made sand on the concrete quality is avoided.

Fig. 4 shows a second embodiment of the present invention, which is different from the first embodiment in that an air inlet 704 and an air outlet 705 communicated with the pipe cavity of the delivery pipe 701 are arranged on the pipe wall of the delivery pipe 701, a hot air blower 706 is connected to the air inlet 704, an air suction fan 100 and a cyclone dust collector 110 are sequentially connected to the air outlet 705, and the pipe cavity of the delivery pipe 701 between the air inlet 704 and the air outlet 705 is used as a hot air circulation cavity 703 (as shown in fig. 5).

Directly carry out the contact drying through hot-air in this embodiment to sand material, not only can provide dry effect, can take away remaining mountain flour moreover to further reduce the powder content of mechanism sand.

The principle of the utility model is as follows:

in the utility model, the jaw crusher 20 is a first crushing device, and can crush ores with larger particle size to 100mm-200mm, the ores crushed by the jaw crusher 20 are conveyed to the cone crusher 30, the cone crusher 30 is used for crushing the ores into 3mm-13mm particle size, and the ores crushed by the cone crusher 30 are conveyed to the primary vibrating sand screening machine 40. The primary vibrating sand screening machine 40 screens sand materials into fine materials, middle materials and coarse materials, the coarse materials are returned and conveyed to the cone crusher 30 to be continuously crushed, the middle materials enter the high-pressure grinding machine 80 to be finely ground and then return to the primary vibrating sand screening machine 40 to be repeatedly screened, the fine materials enter the vertical shaft type impact crusher to be shaped, the sand materials shaped by the vertical shaft type impact crusher 50 enter the sand washer 60 to be subjected to powder removal, the sand materials subjected to powder removal by the sand washer 60 are dried by the dryer 70 and then conveyed to the secondary vibrating sand screening machine 90, and the secondary vibrating sand screening machine 90 sorts finished sand with different particle sizes and then conveys the finished sand to a stock ground to be stored.

In conclusion, the utility model is suitable for sand making production of soft and hard ores, and has the advantages of good finished product grain shape, small equipment abrasion, high reliability, low use and maintenance cost and good economy; the utility model utilizes the primary vibration sand sieving machine 40 to sieve the materials into fine materials, intermediate materials and coarse materials, wherein the coarse materials can return to the upper cone crusher 30 for secondary crushing, the intermediate materials are finely ground by the high-pressure pulverizer 80, and the coarse materials and the intermediate materials are sent into the vertical shaft type impact crusher 50 after meeting the requirement of the particle size of the fine materials, thereby fully utilizing ore resources, improving the discharging rate and reducing the waste material rate; according to the utility model, the sand washer 60 and the dryer 70 are additionally arranged at the tail end of the equipment, so that the powder content of the finished product sand can be obviously reduced, the moisture of the machine-made sand is removed, and the machine-made sand is prevented from caking due to long-term storage, thereby improving the quality of the machine-made sand.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a multistage broken formula fine work mechanism sand mill powder equipment, its characterized in that, including vibrating feeder, jaw breaker, cone crusher, one-level vibration screening machine, vertical shaft formula impact breaker, sand washer, desiccator and high-pressure milling machine, the discharge gate of vibrating feeder with the feed inlet of jaw breaker links up mutually, the discharge gate of jaw breaker with the feed inlet of cone crusher links up mutually, the discharge gate of cone crusher with the feed inlet of one-level vibration screening machine links up mutually, the thin material export of one-level vibration screening machine with the feed inlet of vertical shaft formula impact breaker links up mutually, the discharge gate of vertical impact breaker with the feed inlet of shaft formula sand washer links up, the discharge gate of sand washer with the feed inlet of desiccator links up mutually, one-level vibration screening machine still has coarse fodder export and middle material export, the coarse fodder export with the feed inlet of cone crusher links up mutually, the export of middle material with the feed inlet of high-pressure milling machine links up mutually, the discharge gate of high-pressure milling machine with the feed inlet of one-level shale shaker links up mutually.

2. The multi-stage crushing type fine machine-made sanding powder equipment as claimed in claim 1, wherein a secondary vibration sand screening machine is further connected to the discharge port of the dryer and used for screening finished sand with different particle sizes.

3. The multi-stage crushing type fine machined sand grinding equipment according to claim 2, wherein the vibration type feeding machine, the jaw crusher, the cone crusher, the primary vibrating sand screening machine, the vertical shaft type impact crusher, the sand washing machine, the dryer, the high-pressure grinding machine and the secondary vibrating sand screening machine adopt closed conveying lines for material conveying.

4. The equipment of any one of claims 1 to 3, wherein the drying machine comprises a conveying pipe arranged obliquely, and a heating mechanism for heating the material conveyed by the conveying pipe is arranged on the conveying pipe.

5. The sand grinding device of claim 4, wherein the heating mechanism comprises a jacket sleeved on the conveying pipe, an annular space between the inner surface wall of the jacket and the outer surface wall of the conveying pipe is used as a hot air circulation cavity, and an air inlet and an air outlet communicated with the hot air circulation cavity are respectively arranged at two ends of the jacket.

6. The apparatus of claim 5, wherein a hot air blower is connected to the air inlet of the jacket.

7. The apparatus of claim 6, wherein a screw conveyor blade is further provided in the conveyor tube, the screw conveyor blade being driven by a conveyor motor.

8. The sanding device of claim 7, wherein a motor mounting seat is provided at one end of the conveying pipe, the conveying motor is provided on the motor mounting seat, and an output shaft of the conveying motor is in transmission connection with a rotating shaft of the spiral conveying blade through a transmission mechanism.

9. The sand grinding equipment of the multistage crushing type competitive product machine-made sand grinding machine as claimed in claim 2, wherein the secondary vibration sand screening machine comprises a base, a screening box is supported on the base through an elastic support, a feeding hopper is arranged on the screening box, a vibration motor is further arranged on the wall of the screening box, and a plurality of replaceable screens are further obliquely arranged in the screening box.