CN217615203U

CN217615203U - Premixed concrete grit aggregate production screening system

Info

Publication number: CN217615203U
Application number: CN202221469210.1U
Authority: CN
Inventors: 蒋明宇; 肖倩; 李岳; 杨水源; 董林
Original assignee: Sichuan Xing Cheng Gang Rui Building Materials Co ltd
Current assignee: Sichuan Xing Cheng Gang Rui Building Materials Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-21
Anticipated expiration: 2032-06-13

Abstract

The utility model provides a premixed concrete grit aggregate production screening system, including coarse crushing workshop, buffer steel grid, middle crushing workshop, second grade screening net, second sieve workshop, wash stone groove, reaction crusher, multistage screening net, superfine crushing workshop, rod mill workshop, the grit is produced through each region of premixed concrete grit aggregate production screening system in proper order and is sieved and obtain the aggregate; the utility model discloses the product quality is better, and comprehensive benefit is high.

Description

Premixed concrete grit aggregate production screening system

Technical Field

The utility model relates to a premixed concrete grit aggregate production field especially relates to a premixed concrete grit aggregate production screening system.

Background

With the rapid development of the infrastructure construction of China, the sandstone industry develops rapidly as other building material industries. In 2010, the cement yield of China is about 18.8 hundred million t, and the sand yield exceeds 110 hundred million t according to the cement ratio to sand 1. Although natural sand and stone have a large specific gravity, the natural sand and stone are nonrenewable resources in a short time, the situation that natural sand resources can be adopted is gradually reduced and even no resource exists in a plurality of areas in China, and the river channel sand excavation influences the safety of the bank, the river situation is stable, flood prevention and drainage are realized, and water channel traffic and related facilities are provided; the ancient river is dug sand to form a sand pit with various sores and holes, which damages the land.

Adopting sand-collecting permit system, limiting time, quantity and area. The production capacity of natural sand and stone materials can not meet the requirements of engineering construction, so that the prior sand and stone production develops towards the mining direction, and the production of artificial sand and stone becomes a trend. Especially in the construction of hydroelectric engineering, the single source of aggregate of artificial sandstone is fully embodied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve the product quality of ready-mixed concrete grit aggregate production, ready-mixed concrete grit aggregate production screening system who has better technical and economic benefits.

In order to solve the technical problem, the utility model provides a premixed concrete grit aggregate production screening system, including coarse crushing workshop, buffering type steel net, well garrulous workshop, second grade screening net, two sieve workshops, wash the stone groove, impact crusher, multistage screening net, superfine garrulous workshop, rod mill workshop, the grit produces the screening and obtains the aggregate via each region of premixed concrete grit aggregate production screening system in proper order.

Further, set up workshop stand and workshop crossbeam in the coarse crushing workshop, install the feed sealing-tape machine on the workshop crossbeam of coarse crushing workshop the upper extreme, feed sealing-tape machine bottom installation feed chute, install the shale shaker under the feed chute, install buffering type steel grid under the shale shaker, the shale shaker front end sets up the hopper under the screen, the chute on the screen that shale shaker lower part installation and buffering type steel grid are linked together, install the belt machine under the screen under the chute on the screen, set up the weight breaker under the hopper, set up the ejection of compact machine under the weight breaker, install discharge gate arc door in the ejection of compact machine.

Further, the impact crusher is installed on the shaped steel basis, and shaped steel basis bottom sets up the steel bottom plate, sets up the I-steel stand on the steel bottom plate, sets up the angle steel bracing between the I-steel stand, and I-steel stand top surface sets up the I-steel crossbeam, and the foundatin plate is connected in I-steel crossbeam upside, and sets up the guardrail around the foundatin plate, and one side of foundatin plate sets up the cat ladder.

Further, set up under the impact crusher and strengthen easily changing the reinforcing bar mesh screen, strengthen easily changing reinforcing bar mesh screen bottom surface all around and set up the net bank of screens, the net bank of screens edge evenly sets up a plurality of screw rods of predetermineeing, and a plurality of screw rods of predetermineeing wear to establish respectively to the different meshes of wire net in, set up the mesh screen readily removable fixed plate on the wire net, be provided with a plurality of bolt holes corresponding with the screw rod of predetermineeing on the mesh screen readily removable fixed plate.

Further, the mesh screen easy-to-detach fixing plate and the mesh screen frame are fixedly connected with the preset screw rod through nuts.

Furthermore, an intelligent control screening terminal is arranged in the two-screen workshop, and an intelligent control sensing device is arranged below the discharge port.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a counterattack formula and weight formula combination system sand can improve system sand construction quality.

2 set up buffering type steel grid and discharge gate arc door in the coarse crushing workshop, reducible aggregate falls the impact force that is, can effectively reduce the mud content of product material.

3. Through adopting the reinforcing to easily change the reinforcing bar mesh screen, can improve the operating efficiency that the mesh screen was changed, simultaneously, this structure only needs to change inside wire net, the loss of reducible other materials to a certain extent.

Drawings

FIG. 1 is a production flow chart of the aggregate of the present invention;

FIG. 2 is a block diagram of a coarse crushing plant;

FIG. 3 is a basic block diagram of a counterattack crusher;

FIG. 4 is a structural diagram of a reinforcing easy-to-replace steel mesh screen;

fig. 5 is a structural view of a mesh screen fixing frame for reinforcing an easily replaceable steel mesh screen;

fig. 6 is a structure view of an easy-to-detach fixing plate of a mesh screen for reinforcing an easy-to-replace steel mesh screen;

FIG. 7 is a diagram of an intelligent control screening terminal;

wherein: 1. sandstone 2, coarse crushing workshop 3, middle crushing workshop 4, secondary screening workshop 5, stone washing groove 6, impact crusher 7, buffer steel grid 8, superfine crushing workshop 9, rod mill workshop 10, multi-stage screening net 11, secondary screening net 12, product 13, workshop upright post 14, feeding rubber belt machine 15, workshop cross beam 16, feeding chute 17, vibrating screen 18, screening hopper 19, screening chute 20, screening rubber belt machine 21, discharge port arc door 22, steel bottom plate 23, angle steel inclined strut 24, I-steel upright post 25, I-steel cross beam 26, foundation plate 27, guardrail 28, reinforced easy-to-replace steel bar mesh screen 29, ladder 30, easy-to-replace mesh screen fixing plate 31, preset screw 32, mesh screen frame 33, nut 34, weight crusher 35, intelligent control screening terminal 36, discharge port 37 and intelligent control sensing device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present disclosure and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms are not to be construed as limiting the invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

As shown in fig. 1-7, the utility model provides a screening system for production of ready-mixed concrete grit aggregate, including coarse crushing workshop 2, buffer type steel grid 7, well garrulous workshop 3, second grade screening net 11, two sieve workshops 4, wash stone groove 5, counterattack formula breaker 6, multistage screening net 10, superfine garrulous workshop 8, rod mill workshop 9, grit 1 via in proper order each region of closed circuit formula multistage screening production system produces the screening and obtains aggregate 12.

Wherein, the crushing and grinding precision of the sandstone 1 is gradually increased by the coarse crushing workshop 2, the middle crushing workshop 3, the impact crusher 6, the superfine crushing workshop 8 and the rod mill workshop 9, so that more refined aggregate 12 is obtained after the sandstone 1 is produced in the areas.

Simultaneously, through the buffer profile steel net 7, second grade screening net 11, two sieve workshops 4, wash the grit groove 5, multistage screening net 10 that interpenetrate wherein, sieve grit 1 to the crushing and grinding in different regions to make the part impurity of not crushing and grinding completion screened off, increase the cooperation effect of crushing and grinding between each region.

Preferably, set up workshop stand 13 and workshop crossbeam 15 in the coarse crushing workshop 2, install feeding sealing-tape machine 14 on the workshop crossbeam 15 of 2 topmost in coarse crushing workshop, feeding sealing-tape machine 14 bottom installation feeding chute 16, install shale shaker 17 under the feeding chute 16, install buffer type steel grid 7 under the

shale shaker

17, 17 front ends of shale shaker set up hopper 18 under the screen, 17 lower parts of shale shaker install the chute 19 on the screen that is linked together with buffer type steel grid 7, install belt conveyor 20 under the chute 19 on the screen, set up weight breaker 34 under the hopper 18 under the screen, set up the ejection of compact machine under weight breaker 34, installation discharge gate radial gate 21 in the ejection of compact machine.

It is worth mentioning that, when the sandstone 1 enters the coarse crushing workshop 2 to be processed, the sandstone 1 is firstly conveyed by the feeding belt machine 14, after the feeding belt machine 14 conveys the sandstone 1 to a designated position, the sandstone 1 falls into the feeding chute 16 from the feeding belt machine 14 and slides downwards to the vibrating screen 17, the sandstone 1 is subjected to vibration screening by the vibrating screen 17, the sandstone 1 meeting the particle size falls onto the buffer type steel grid 7 to be buffered midway during falling, then continuously slides downwards to the undersize belt machine 20 along the oversize chute 19, and the sandstone 1 meeting the particle size is conveyed by the undersize belt machine 20, while the sandstone 1 with larger particles screened out during vibration screening of the vibrating screen 17 rolls from the vibrating screen 17 to the undersize hopper 18, and falls into the heavy hammer crusher 34 along the undersize hopper 18 to be crushed, and then the sandstone 1 after being processed falls into the discharging machine and is taken out from the discharging port arc-shaped door 21.

Wherein, one end of the workshop cross beam 15 is connected to the workshop upright post 13, and the stable state of the workshop cross beam 15 is maintained through the workshop upright post 13.

Preferably, the impact crusher 6 is installed on a section steel foundation, a steel bottom plate 22 is arranged at the bottom of the section steel foundation, I-shaped steel upright posts 24 are arranged on the steel bottom plate 22, angle steel inclined struts 23 are arranged between the I-shaped steel upright posts 24, I-shaped steel cross beams 25 are arranged on the top surfaces of the I-shaped steel upright posts 24, a foundation plate 26 is connected to the upper sides of the I-shaped steel cross beams 25, guardrails 27 are arranged on the periphery of the foundation plate 26, and a ladder 29 is arranged on one side of the foundation plate 26.

Wherein, be provided with two at least angle steel bracing 23 between two adjacent I-steel stands 24, two at least angle steel bracing 23 are the setting of crossing to make angle steel bracing 23 one end connect in the top of one of them I-steel stand 24, the angle steel bracing 23 other end is connected in the bottom of another I-steel stand 24, in order to increase the stability between two adjacent I-steel stands 24.

In particular, a steel bottom plate 22, an angle steel inclined strut 23, an I-steel upright column 24, an I-steel cross beam 25, a foundation plate 26, a guardrail 27 and a ladder stand 29 are connected to form a steel section foundation.

Preferably, set up under the impact crusher 6 and strengthen easily changing reinforcing bar mesh screen 28, strengthen easily changing reinforcing bar mesh screen 28 bottom surface all around and set up net screen frame 32, net screen frame 32 edge evenly sets up a plurality of screw rods 31 of predetermineeing, and a plurality of screw rods 31 of predetermineeing wear to establish respectively to the different meshes of wire net in, so that predetermine screw rod 31 and carry out spacing fixed to the wire net, set up mesh screen readily removable fixed plate 30 on the wire net afterwards, be provided with a plurality ofly on the mesh screen readily removable fixed plate 30 and predetermine the corresponding bolt hole of screw rod 31, mesh screen readily removable fixed plate 30 is connected fixedly with predetermineeing screw rod 31 through nut 33 after with the installation of net screen frame 32.

What worth mentioning is, strengthen and easily change the installation of reinforcing bar mesh screen 28 and accomplish the back, the wire net is located between mesh screen easy disassembly fixed plate 30 and the mesh screen frame 32, and after a plurality of different meshes that preset the screw rod 31 earlier passed the wire net, wear to establish the nut 33 position on the mesh screen easy disassembly fixed plate 30 again, and screw up a plurality of nuts 33 one-to-ones and fix on a plurality of preset screw rods 31, make mesh screen easy disassembly fixed plate 30 and mesh screen frame 32 reciprocal anchorage, and it is spacing to carry out the centre gripping to the wire net of intermediate position.

Preferably, an intelligent control screening terminal 35 is arranged in the second screening workshop 4, and an intelligent control sensing device 37 is arranged below the discharge port 36.

Specially, intelligent control screening terminal 35 is connected with the communication of intelligent control induction system 37, when grit 1 via coarse crushing workshop 2, well garrulous workshop 3 from discharge gate 36 department when dropping to two sieve workshops 4 in, intelligent control induction system 37 can detect the process that drops of grit 1, and with information transmission to intelligent control screening terminal 35 department that detects, through the inside screening operation in two sieve workshops 4 of intelligent control screening terminal 35 unified control, follow-up washing operation in the stone washing groove 5 etc., so that increase the cooperation continuity between each step.

In an embodiment of the present disclosure, the intelligent control sensing device 37 is a laser detector, and the screening operation in the two-screen workshop 4 is performed by using the existing screening method.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. The utility model provides a premixed concrete grit aggregate production screening system which characterized in that: including coarse crushing workshop (2), buffering type steel grid (7), well garrulous workshop (3), second grade screening net (11), two sieve workshops (4), wash stone groove (5), impact crusher (6), multistage screening net (10), superfine garrulous workshop (8), rod mill workshop (9), grit (1) is produced the screening and is obtained aggregate (12) in proper order through each region of premixed concrete grit aggregate production screening system.

2. The ready mixed concrete gravel aggregate production screening system of claim 1, wherein: set up workshop stand (13) and workshop crossbeam (15) in coarse crushing workshop (2), install feed sealing-tape machine (14) on workshop crossbeam (15) of coarse crushing workshop (2) the top, feed sealing-tape machine (14) bottom installation feed chute (16), install shale shaker (17) under feed chute (16), install buffer type steel grid (7) under shale shaker (17), shale shaker (17) front end sets up hopper (18) down, shale shaker (17) lower part installation is gone up chute (19) with what buffer type steel grid (7) were linked together, install hopper sealing-tape machine (20) down under sieve chute (19), set up weight breaker (34) under sieve hopper (18), set up the ejection of compact machine under weight breaker (34), install discharge gate radial gate (21) in the ejection of compact machine.

3. The ready mixed concrete gravel aggregate production screening system of claim 1, wherein: installing on the shaped steel basis counterattack formula breaker (6), shaped steel basis bottom sets up steel bottom plate (22), set up I-steel stand (24) on steel bottom plate (22), set up angle steel bracing (23) between I-steel stand (24), I-steel stand (24) top surface sets up I-steel crossbeam (25), foundatin plate (26) are connected in I-steel crossbeam (25) upside, and foundatin plate (26) set up guardrail (27) all around, one side of foundatin plate (26) sets up cat ladder (29).

4. The ready mixed concrete gravel aggregate production screening system of claim 1, wherein: set up under impact crusher (6) and strengthen easily changing reinforcing bar mesh screen (28), strengthen easily changing reinforcing bar mesh screen (28) bottom surface all around and set up net screen frame (32), mesh screen frame (32) edge evenly sets up a plurality of screw rods (31) of predetermineeing, and a plurality of screw rods (31) of predetermineeing wear to establish respectively to the different meshes of wire net in, set up mesh screen readily removable fixed plate (30) on the wire net, be provided with a plurality ofly on mesh screen readily removable fixed plate (30) and predetermine screw rod (31) corresponding bolt hole.

5. The ready mixed concrete gravel aggregate production screening system of claim 4, wherein: the mesh screen easy-to-detach fixing plate (30) and the mesh screen frame (32) are fixedly connected with a preset screw rod (31) through a screw cap (33).

6. The ready mixed concrete gravel aggregate production screening system of claim 1, wherein: an intelligent control screening terminal (35) is arranged in the second screening workshop (4), and an intelligent control sensing device (37) is arranged below the discharge port (36).