CN215597975U

CN215597975U - Circulating sand drying structure

Info

Publication number: CN215597975U
Application number: CN202122072383.1U
Authority: CN
Inventors: 许秀山; 夏华; 黄圣山; 丁晖
Original assignee: Nantong Xinsanyang Intelligent Manufacturing Co ltd
Current assignee: Nantong Xinsanyang Intelligent Manufacturing Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-21
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a circulating sand drying structure, which comprises a ground surface, a three-return roller base and a hot air assembly, wherein a motor base and a positioning seat are fixed on the three-return roller base, a driving motor is installed at the top end of the motor base, side plates are symmetrically installed at the top end of the positioning seat, a driving wheel is rotated between the side plates, a barrel is fixed at the top end of the three-return roller base, a driven wheel is matched on the barrel, a sand inlet cover and a sand outlet cover are respectively connected at two ends of the barrel, the hot air assembly comprises a fan, an air suction pipe, an air supply pipe, a heating box, an air outlet pipe, a return air pipe and a heating U-shaped pipe, in the above way, in the sand conveying process, the fan sends external air into the heating box to be heated and then enters the heating U-shaped pipe through the air outlet pipe, hot air is conveyed in the heating U-shaped pipe, the heating U-shaped pipe is positioned in the barrel to uniformly dry sand, and hot air exchanging heat with the sand enters the return air pipe through the heating U-shaped pipe, and returning to the heating box, and circularly drying the sand under the action of the fan.

Description

Circulating sand drying structure

Technical Field

The utility model relates to the field of sand drying, in particular to a circulating sand drying structure.

Background

River sand drying is to dry the sand, and generally, three-return-stroke drum drying machines are adopted to dry the river sand, the three-return-stroke drum drying machines are formed by nesting three concentric drums with different diameters, and the material flows by stirring the material to advance by means of the rotation of blades in the drums along with the drums. The three-return-stroke drum dryer has the advantages of large production capacity, wide application range, small flow resistance, larger allowable fluctuation range in operation, convenience in operation and the like. When the three-return-stroke drum dryer is used for drying sand, the sand is firstly required to be screened and then conveyed into the three-return-stroke drum dryer through the belt conveyor, and meanwhile, the sand is dried under the rotating action of the drum after being conveyed into the drum through hot air.

At present, when hot air is conveyed to a three-return-stroke drum dryer, hot air is generally conveyed to a sand inlet end of the three-return-stroke drum dryer through external heating equipment, the hot air enters along with sand, and the drying effect of the position far away from the sand inlet end in a drum is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circulating sand drying structure and solve the problems of the background.

In order to solve the technical problems, the utility model provides the following technical scheme:

circulating sand drying structure, including ground, three return stroke cylinder bases and hot-blast subassembly, be fixed with motor cabinet and positioning seat on the three return stroke cylinder bases, driving motor is installed on the motor cabinet top, the curb plate is installed to positioning seat top symmetry, it has the drive wheel to rotate between the curb plate, the driving motor output drives the drive wheel and rotates, three return stroke cylinder base top is fixed with the barrel, the cooperation has from the driving wheel on the barrel, the barrel both ends are connected with into husky lid and play husky lid respectively, it has seted up into husky mouth to advance husky to cover, it has seted up out husky mouth to go out husky to cover.

Furthermore, the motor base and the positioning seat are welded and fixed at the top end of the three-return-stroke roller base.

Furthermore, the sand inlet is arranged at the top end of the sand inlet cover, and the sand outlet is arranged at the bottom end of the sand outlet cover.

Furthermore, the hot air component comprises a fan, an exhaust pipe, an air supply pipe, a heating box, an air outlet pipe, an air return pipe and a heating U-shaped pipe.

Furthermore, fan and heating cabinet are installed and are advanced the other subaerial of husky lid, exhaust column and fan input link to each other, blast pipe and fan output link to each other and communicate with the heating cabinet, it fixes on the heating cabinet top to go out the tuber pipe intercommunication, the return air duct intercommunication is fixed in the heating cabinet side, heating U type pipe both ends are rotated and are run through into husky lid and go out tuber pipe and return air duct and link to each other.

Furthermore, the exhaust pipe is an L-shaped pipe, the position where the air supply pipe is communicated with the heating box is close to the bottom end of the inner cavity of the heating box, and the communication position of the return air pipe and the heating box is lower than the communication position of the air supply pipe and the heating box.

Further, install temperature sensor and pressure sensor in the heating cabinet, the heating cabinet side is provided with control panel, control panel is including display screen and control key, temperature sensor and pressure sensor work in control panel electrical control heating cabinet, fan and the heating cabinet.

Furthermore, auxiliary U-shaped pipes are communicated with the sides of the two groups of opposite horizontal parts on the heating U-shaped pipes in a staggered and equidistant mode.

Furthermore, a positioning block is fixed at the center of the side wall of the bent horizontal part of the heating U-shaped pipe, a positioning hole is formed in the center of the side face of the positioning block, a supporting rod is inserted into the positioning hole, and the supporting rod penetrates through the sand cover in a rotating mode.

Furthermore, the side wall of the support rod is in magnetic fit with the inner wall of the positioning hole.

According to the technical scheme, the hot air assembly is arranged, in the sand conveying process, the control panel controls the fan and the heating box to work, the fan sends outside air into the heating box through the air supply pipe through the air exhaust pipe to be heated and then enters the heating U-shaped pipe through the air outlet pipe, hot air is conveyed in the heating U-shaped pipe, the heating U-shaped pipe is located in the barrel body to uniformly dry sand, meanwhile, auxiliary U-shaped pipes are communicated with the two groups of opposite horizontal parts on the heating U-shaped pipe in a staggered and equidistant mode to increase the contact surface with the sand, the drying effect is improved, hot air exchanging heat with the sand enters the air return pipe through the heating U-shaped pipe and returns to the heating box, sand drying is performed through circulating work under the action of the fan, the problem that the drying effect of the position far away from a sand inlet in the barrel body is poor is solved, and in the working process of the device, the temperature sensor and the pressure sensor in the heating box can be used for drying the temperature in the heating box The degree and the pressure intensity are controlled, and the use safety is improved.

Drawings

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

FIG. 2 is a schematic view of a three-pass roller base according to the present invention;

FIG. 3 is a schematic view of a hot air assembly according to the present invention;

FIG. 4 is a schematic view of a heating U-shaped tube according to the present invention;

labeled as: 1. the ground 2, three return stroke roller base 3, motor base 4, driving motor 5, positioning seat 6, side plate 7, driving wheel 8, barrel 9, driven wheel 10, sand inlet cover 11, sand outlet cover 12, sand inlet 13, sand outlet 14, blower 15, exhaust pipe 16, blast pipe 17, heating box 18, air outlet pipe 19, return pipe 20, heating U-shaped pipe 21, control panel 22, auxiliary U-shaped pipe 23, positioning block 24, positioning hole 25 and supporting rod.

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 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.

As shown in figures 1-4 of the drawings,

a circulating sand drying structure comprises a ground 1, a three-pass roller base 2 and a hot air assembly, wherein a motor base 3 and a positioning seat 5 are fixed on the three-pass roller base 2, the motor base 3 and the positioning seat 5 are welded and fixed at the top end of the three-pass roller base 2, a driving motor 4 is installed at the top end of the motor base 3, side plates 6 are symmetrically installed at the top end of the positioning seat 5, a driving wheel 7 is rotated between the side plates 6, the output end of the driving motor 4 drives the driving wheel 7 to rotate, a barrel body 8 is fixed at the top end of the three-pass roller base 2, a driven wheel 9 is matched on the barrel body 8, a sand inlet cover 10 and a sand outlet cover 11 are respectively connected at two ends of the barrel body 8, a sand inlet 12 is formed in the sand inlet cover 10, the sand inlet 12 is formed in the top end of the sand inlet cover 10, a sand outlet 13 is formed in the sand outlet cover 11, and the sand outlet 13 is formed in the bottom end of the sand outlet cover 11;

the hot air component comprises a fan 14, an exhaust pipe 15, an air supply pipe 16, a heating box 17, an air outlet pipe 18, an air return pipe 19 and a heating U-shaped pipe 20, the fan 14 and the heating box 17 are installed on the ground 1 beside the sand inlet cover 10, the exhaust pipe 15 is connected with the input end of the fan 14, the air supply pipe 16 is connected with the output end of the fan 14 and communicated with the heating box 17, the air outlet pipe 18 is fixedly communicated with the top end of the heating box 17, the air return pipe 19 is fixedly communicated with the side surface of the heating box 17, two ends of the heating U-shaped pipe 20 rotatably penetrate through the sand inlet cover 10, the air outlet pipe 18 and the air return pipe 19, the exhaust pipe 15 is an L-shaped pipe, the position where the air supply pipe 16 is communicated with the heating box 17 is arranged close to the bottom end of an inner cavity of the heating box 17, and the position where the air return pipe 19 is communicated with the heating box 17 is lower than the position where the air supply pipe 16 is communicated with the heating box 17;

install temperature sensor and pressure sensor in the heating cabinet 17, heating cabinet 17 side is provided with control panel 21, control panel 21 is including display screen and control key, control panel 21 electrical control heating cabinet 17, temperature sensor and pressure sensor work in fan 14 and the heating cabinet 17, crisscross equidistant intercommunication has supplementary U type pipe 22 on two sets of relative horizontal part sides on the heating U type pipe 20, the horizontal part lateral wall center of buckling on the heating U type pipe 20 is fixed with locating piece 23, locating hole 24 has been seted up at locating piece 23 side center, it has bracing piece 25 to peg graft in the locating hole 24, bracing piece 25 lateral wall and the magnetic fit of the 24 inner walls of locating hole, bracing piece 25 rotates and runs through out sand lid 11.

When the sand drying device is used, an external sand conveying mechanism conveys sand into the barrel 8 through the sand inlet 12 at the sand inlet cover 10, under the action of the driving motor 4, the barrel 8 is driven to rotate along with the cooperation between the driving wheel 7 and the driven wheel 9, so that the sand is conveyed from the sand inlet cover 10 to the sand outlet cover 11 and leaves the device through the sand outlet 13, in the sand conveying process, the control panel 21 controls the fan 14 and the heating box 17 to work, the fan 14 sends external air into the heating box 17 through the air exhaust pipe 15 through the air supply pipe 16 to be heated and then enters the heating U-shaped pipe 20 through the air outlet pipe 18, hot air is conveyed in the heating U-shaped pipe 20, the heating U-shaped pipe 20 is positioned in the barrel 8 to uniformly dry the sand, meanwhile, auxiliary U-shaped pipes 22 are communicated with the side surfaces of two groups of opposite horizontal parts on the heating U-shaped pipe 20 at equal intervals in a staggered mode, and contact surfaces with the sand are increased, improve the stoving effect, carry out heat exchange's hot-blast through heating U type pipe 20 entering return air pipe 19 with the sand, get back to in the heating cabinet 17, under fan 14's effect, cycle work carries out the stoving of sand, solved and kept away from the not good problem of position stoving effect of sand entrance to barrel 8, can utilize temperature sensor and the pressure sensor in the heating cabinet 17 to control the temperature and the pressure in the heating cabinet 17 in the device course of the work moreover, improve the security of using.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention by using the above disclosure, and the technical solution of the present invention is covered by the claims.

Claims

1. Circulating sand drying structure, including ground (1), three return stroke cylinder bases (2) and hot-blast subassembly, its characterized in that: be fixed with motor cabinet (3) and positioning seat (5) on three return stroke cylinder base (2), driving motor (4) are installed on motor cabinet (3) top, curb plate (6) are installed to positioning seat (5) top symmetry, it has drive wheel (7) to rotate between curb plate (6), driving motor (4) output drives drive wheel (7) and rotates, three return stroke cylinder base (2) top is fixed with barrel (8), the cooperation has from driving wheel (9) on barrel (8), barrel (8) both ends are connected with respectively and advance husky lid (10) and go out husky lid (11), advance to have seted up on husky lid (10) and advance husky mouth (12), go out husky mouth (13) of having seted up on husky lid (11).

2. The circulating sand-baking structure of claim 1, wherein: and the motor base (3) and the positioning base (5) are welded and fixed at the top end of the three-return-stroke roller base (2).

3. The circulating sand-baking structure of claim 2, wherein: the sand inlet (12) is arranged at the top end of the sand inlet cover (10), and the sand outlet (13) is arranged at the bottom end of the sand outlet cover (11).

4. The circulating sand-baking structure of claim 2, wherein: the hot air component comprises a fan (14), an exhaust pipe (15), an air supply pipe (16), a heating box (17), an air outlet pipe (18), an air return pipe (19) and a heating U-shaped pipe (20).

5. The circulating sand drying structure of claim 4, wherein: fan (14) and heating cabinet (17) are installed on advancing sand by lid (10) ground (1), exhaust column (15) and fan (14) input link to each other, blast pipe (16) and fan (14) output link to each other and with heating cabinet (17) intercommunication, it fixes on heating cabinet (17) top to go out tuber pipe (18) intercommunication, return air pipe (19) intercommunication is fixed in heating cabinet (17) side, heating U type pipe (20) both ends are rotated and are run through into sand lid (10) and go out tuber pipe (18) and return air pipe (19) and link to each other.

6. The circulating sand-baking structure of claim 5, wherein: the exhaust pipe (15) is an L-shaped pipe, the position where the blast pipe (16) and the heating box (17) are communicated is close to the bottom end of the inner cavity of the heating box (17), and the communication position of the return air pipe (19) and the heating box (17) is lower than the communication position of the blast pipe (16) and the heating box (17).

7. The circulating sand-baking structure of claim 5, wherein: install temperature sensor and pressure sensor in heating cabinet (17), heating cabinet (17) side is provided with control panel (21), control panel (21) are including display screen and control key, temperature sensor and pressure sensor work in control panel (21) electrical control heating cabinet (17), fan (14) and heating cabinet (17).

8. The circulating sand-baking structure of claim 5, wherein: auxiliary U-shaped pipes (22) are communicated with the side surfaces of two groups of opposite horizontal parts on the heating U-shaped pipe (20) in a staggered and equidistant mode.

9. The circulating sand drying structure according to claim 8, wherein: a positioning block (23) is fixed at the center of the side wall of the bent horizontal part of the heating U-shaped pipe (20), a positioning hole (24) is formed in the center of the side face of the positioning block (23), a supporting rod (25) is inserted into the positioning hole (24), and the supporting rod (25) rotatably penetrates through the sand cover (11).

10. The circulating sand-baking structure of claim 9, wherein: the side wall of the support rod (25) is in magnetic fit with the inner wall of the positioning hole (24).