CN218691563U - Sand making production line - Google Patents

Abstract

The utility model discloses a system sand production line, including raw materials feeding mechanism, system sand machine, first conveyor, V type selection powder machine, dust remover and screening plant, system sand machine is equipped with feed inlet and discharge gate, V type selection powder machine is equipped with the feed inlet, the discharge gate, air intake and air outlet, system sand machine's feed inlet is linked together with raw materials feeding mechanism, the discharge gate is linked together through the feed inlet of first conveyor with V type selection powder machine, V type selection powder machine's air outlet is linked together with the dust remover, the discharge gate is linked together with screening plant, V type selection powder machine's feed inlet internal rotation is provided with feeding impeller, feeding impeller's rotation axis direction level sets up. The utility model discloses utilize V type selection powder machine fully to break up the grit, get rid of the mountain flour that contains in the finished product sand, improve the quality of finished product sand, mountain flour content is few in the finished product sand of the final output of whole system sand production line, and the dust pollution who causes by the mountain flour is also less.

Description

Sand making production line

Technical Field

The utility model relates to a rubble system sand technical field, in particular to system sand production line.

Background

As one of the constituent materials of concrete, construction sand is in great demand in modern construction works. Once, the exploitation of river sand is an important source of construction sand, but river sand belongs to non-renewable natural resources, and the river sand exploitation causes the continuous decrease of river sand resources, while the exploitation of river sand is opposite to the increasing demand of construction sand, and the exploitation of river sand gradually fails to meet the demand of people, so that machine-made sand begins to become a main source of construction sand. The machine-made sand is sand processed by the sand making machine and other accessory equipment, and a finished product is regular and can meet the construction requirement. The sand making method mainly comprises a dry method and a wet method, and compared with the wet method, the dry method is not influenced by water sources and the environment, so that water resources are saved, and the method is a mainstream sand making method. However, the dry-method sand product contains a lot of tiny stone powder, which can adversely affect the properties of the concrete to be subsequently produced and needs to be removed. In this regard, for example, as disclosed in the chinese utility model patent with the publication number CN 214975754U, some machine-made sand production lines are additionally provided with a winnowing device to remove the stone powder, but in the process of removing the stone powder, the scattering effect on the sand is limited, which affects the stone powder removing effect, and needs to be improved to reduce the stone powder content in the finished sand.

Disclosure of Invention

An object of the utility model is to provide a system sand production line, the mountain flour content is few in the finished product sand of making.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a system sand production line, includes raw materials supply device, system sand machine, first conveyor, V type selection powder machine, dust remover and screening plant, system sand machine is equipped with feed inlet and discharge gate, V type selection powder machine is equipped with feed inlet, discharge gate, air intake and air outlet, system sand machine's feed inlet is linked together with raw materials supply device, and the discharge gate is linked together through the feed inlet of first conveyor with V type selection powder machine, V type selection powder machine's air outlet is linked together with the dust remover, and the discharge gate is linked together with screening plant, V type selection powder machine includes the casing, breaks up subassembly, water conservancy diversion subassembly and feeding impeller, break up the subassembly and water conservancy diversion subassembly slope sets up inside the casing to separate the casing inside and form adjacent air inlet district in proper order, break up district and wind selection district and distinguish, the air inlet district is located respectively breaks up the subassembly both sides with breaking up, break up the district and water conservancy diversion subassembly both sides respectively, V type selection powder machine is located and breaks up the district top, and the discharge gate is located and breaks up the district bottom, and air intake setting up in the ladder district, air inlet setting up the air inlet setting in the ladder district, the air outlet setting up the ladder selection district, the rotation axis of water conservancy diversion subassembly, the rotation axis is inclined and is inclined to the horizontal.

Further, the number of the feeding impellers is two, and the feeding impellers are arranged on the same horizontal plane in parallel.

Furthermore, a material returning port is formed in the outer portion of the sand making machine, a vibrating screen which is vertically separated from the inner space of the sand making machine is arranged in the sand making machine, the material returning port of the sand making machine is communicated with the top space of the vibrating screen, a material discharging port of the sand making machine is communicated with the bottom space of the vibrating screen, a second conveying device is arranged on the outer side of the sand making machine, and the second conveying device is respectively communicated with a material feeding port and a material returning port of the sand making machine.

Further, the raw material supply device is a vibrating feeding screen.

Further, the first conveying device and the second conveying device are both screw conveyors.

Furthermore, the dust remover is a bag-type dust remover, and a draught fan is arranged at the rear end of the dust remover.

Furthermore, the screening device is a vibration grading screen.

The utility model discloses following beneficial effect has:

this system sand production line effectively gets rid of the small mountain flour that contains in the middle of the finished product sand of system sand machine output through V type selection machine at system sand machine rear end, improve the quality of finished product sand, V type selection machine feed inlet department sets up the feeding impeller, can rotate when the feeding and fully break up the grit, promote the mountain flour and get rid of the effect, the mountain flour that is winnowed out gets into in the dust remover via the air outlet, collect so that unify and get rid of by the dust remover, the finished product sand mountain flour content of the final output of whole system sand production line is few, the dust pollution who causes by the mountain flour is also less.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of the V-shaped powder concentrator of the present invention.

Fig. 3 is a schematic structural view of the feeding impeller of the present invention.

Description of the main component symbols: 1. a sand making machine; 2. a feeding hole of a sand making machine; 3. a discharge port of the sand making machine; 4. a material returning port of the sand making machine; 5. vibrating the screen; 6. a first conveying device; 7. a second conveying device; 8. a V-shaped powder concentrator; 9. a feeding hole of the V-shaped powder concentrator; 10. a discharge port of the V-shaped powder concentrator; 11. an air inlet; 12. an air outlet; 13. a feed impeller; 14. breaking up the assembly; 15. breaking up the step plate; 16. a flow guide assembly; 17. a flow guiding stepped plate; 18. an air inlet area; 19. a scattering area; 20. selecting a wind area; 21. a dust remover; 22. an induced draft fan; 23. and (4) a screening device.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1-3, the utility model discloses a sand making production line, which comprises a raw material supply device, a sand making machine 1, a first conveying device 6, a V-shaped powder selecting machine 8, a dust remover 21 and a screening device 23, wherein the sand making machine 1 is provided with a feed inlet 2 and a discharge outlet 3,V type powder selecting machine 8 which is provided with a feed inlet 9, a discharge outlet 10, an air inlet 11 and an air outlet 12, the feed inlet 2 of the sand making machine 1 is communicated with the raw material supply device, the discharge outlet 3 is communicated with the feed inlet 9 of the V-shaped powder selecting machine 8 through the first conveying device 6, the air outlet 12 of the V-shaped powder selecting machine 8 is communicated with the dust remover 21, the discharge outlet 10 is communicated with the screening device 23, the V-shaped powder selecting machine 8 comprises a shell, a scattering component 14, a flow guide component 16 and a feeding impeller 13, the scattering component 14 and the flow guide component 16 are obliquely arranged inside the shell, the shell is internally divided into an air inlet area 18, a scattering area 19 and a winnowing area 20 which are adjacent in sequence, the air inlet area 18 and the scattering area 19 are respectively positioned at two sides of the scattering component 14, the scattering area 19 and the winnowing area 20 are respectively positioned at two sides of the flow guide component 16, a feed inlet 9 of the V-shaped powder concentrator 8 is positioned at the top of the scattering area 19, a discharge outlet 10 is positioned at the bottom of the scattering area 19, an air inlet 11 is arranged in the air inlet area 18, an air outlet 12 is arranged in the winnowing area 20, the scattering component 14 is formed by combining a plurality of scattering stepped plates 15 which are arranged at intervals up and down, the flow guide component 16 is formed by combining a plurality of flow guide stepped plates 17 which are arranged at intervals up and down, and the flow guide stepped plates 17 and the scattering stepped plates 15 are obliquely arranged and are opposite in oblique direction. The number of the feeding impellers 13 is two, the two feeding impellers are arranged on the same horizontal plane in parallel, the feeding port 9 of the V-shaped powder concentrator 8 is internally provided with the feeding impellers 13 in a rotating mode, and the rotating shaft direction of the feeding impellers 13 is horizontally arranged.

When finished sand produced by the sand making machine 1 enters the feeding hole 9 of the V-shaped powder concentrator 8, under the impact of the sand from top to bottom, the feeding impeller 13 rotates along with the sand to continuously disperse the sand without driving by an additional driving device, the sand primarily dispersed by the feeding impeller 13 falls down to strike the dispersing component 14 to be further dispersed, and stone powder is removed more completely during air separation. The air communicated by the V-shaped powder concentrator 8 is provided by an internal or external fan.

The external portion of the sand making machine 1 is provided with a material returning port 4, the internal portion is provided with a vibrating screen 5 which vertically separates the internal space of the sand making machine 1, the material returning port 4 of the sand making machine 1 is communicated with the top space of the vibrating screen 5, the material discharging port 3 is communicated with the bottom space of the vibrating screen 5, the external side of the sand making machine 1 is provided with a second conveying device 7, and the second conveying device 7 is respectively communicated with the material returning port 4 and the material feeding port 2 of the sand making machine 1. Can carry out the primary screening to the grit through broken grinding through shale shaker 5, detain the grit that the particle size is too big in shale shaker 5 top to throw into again through returning material mouth 4 and second conveyor 7 and process again in making the feed inlet 2 of sand machine 1, until meeting the requirements.

The raw material supply device is a vibration feeding sieve, and can uniformly feed raw materials into the feeding hole 2 of the sand making machine 1. The first conveying device 6 and the second conveying device 7 are both screw conveyors. The dust remover 21 is a bag-type dust remover 21, and an induced draft fan 22 is arranged at the rear end of the dust remover 21. Screening plant 23 is the vibration classifying screen, can sieve the grit of different particle sizes.

When the sand making production line works, raw materials are uniformly conveyed to a feeding hole 2 of a sand making machine 1 through a raw material supply device, finished sand crushed by the sand making machine 1 is discharged from a discharging hole 3 of the sand making machine 1, and is conveyed into a V-shaped powder concentrator 8 through a first conveying device 6, the finished sand is scattered through a feeding impeller 13 and a scattering component 14, stone powder in the finished sand is removed under the action of wind power, the finished sand with the stone powder removed is conveyed into a screening device 23 to be screened for later use, and the stone powder blown out of the finished sand enters a dust remover 21 under the wind power wrapping force to be collected and removed. The sand production line is not affected by water source environment, the content of stone powder in finished sand produced by sand production is low, the stone powder separated by winnowing can be effectively collected and treated, and the pollution to the environment is low.

While the invention has been particularly shown and 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 invention as defined by the appended claims.

Claims (7)

1. The utility model provides a system sand production line which characterized in that: including raw materials supply device, system sand machine, first conveyor, V type selection powder machine, dust remover and screening plant, system sand machine is equipped with feed inlet and discharge gate, V type selection powder machine is equipped with feed inlet, discharge gate, air intake and air outlet, system sand machine's feed inlet is linked together with raw materials supply device, and the discharge gate is linked together through the feed inlet of first conveyor with V type selection powder machine, V type selection powder machine's air outlet is linked together with the dust remover, and the discharge gate is linked together with screening plant, V type selection powder machine includes the casing, breaks up subassembly, water conservancy diversion subassembly and feeding impeller, break up the subassembly and set up inside the casing with the water conservancy diversion subassembly slope to separate the casing inside and form adjacent air inlet district in proper order, break up district and wind selection district and distinguish, the air inlet district is located respectively and breaks up the subassembly both sides with the selection, the feed inlet of V type selection powder machine is located and breaks up the district top, and the discharge gate is located and breaks up the district bottom, and the air intake setting is in the air inlet setting in the ladder selection district, the air inlet setting is in the air outlet, the ladder selection district, break up the subassembly and constitute by the ladder combination of interval about a plurality of separation, the rotation axis of V type impeller slope sets up the rotation axis and the rotation axis is set up the horizontal setting up the rotation of the V type impeller.

2. The sand making production line of claim 1, wherein: the number of the feeding impellers is two and the feeding impellers are arranged on the same horizontal plane in parallel.

3. The sand making production line of claim 1, wherein: the outside of system sand machine has been seted up and has been returned the material mouth, and inside is provided with the shale shaker of separating from top to bottom with system sand machine inner space, system sand machine's the material mouth that returns communicates with each other with the shale shaker headspace, the discharge gate communicates with each other with shale shaker bottom space, system sand machine's the outside is provided with second conveyor, second conveyor is linked together with system sand machine's feed inlet and material returning mouth respectively.

4. The sand making production line of claim 1, wherein: the raw material supply device is a vibration feeding sieve.

5. A sand making production line as claimed in claim 4, wherein: the first conveying device and the second conveying device are both screw conveyors.

6. A sand making production line as claimed in claim 1, wherein: the dust remover is a bag-type dust remover, and the rear end of the dust remover is provided with an induced draft fan.

7. The sand making production line of claim 1, wherein: the screening device is a vibration grading screen.

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