CN211651048U

CN211651048U - Coal-fired furnace slag grinding and drying device

Info

Publication number: CN211651048U
Application number: CN201921515397.2U
Authority: CN
Inventors: 周凌云
Original assignee: Jiangxi Kunhuang New Building Materials Co ltd
Current assignee: Jiangxi Kunhuang New Building Materials Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-10-09
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a coal-fired furnace sediment grinds powder drying device belongs to the drying device field, including drying cabinet and air exhauster, one side top of drying cabinet is fixed with the inlet pipe, the top of inlet pipe is fixed with the feeder hopper, the top of drying cabinet is fixed with motor and controller, be fixed with two heating blocks on the top inner wall of drying cabinet, two heating blocks and motor all with controller electric connection, it is connected with the pivot to rotate on the top inner wall of drying cabinet, and the one end and the pivot transmission of the output shaft of motor are connected, the bottom of pivot is fixed with the screw axis. The utility model discloses rational in infrastructure, easy operation, not only drying efficiency is high, can avoid the dust in the drying cabinet to be extracted the external world moreover, also can avoid external debris to enter into the inside of drying cabinet, still conveniently changes the filter screen simultaneously, has guaranteed the normal circulation of air.

Description

Coal-fired furnace slag grinding and drying device

Technical Field

The utility model relates to a drying device field especially relates to a coal-fired furnace sediment grinds powder drying device.

Background

The coal-fired slag is the residue left after the combustion of the coal, the slag is a material which can be reused, and the slag can be used as a raw material of concrete after being crushed. The slag can wet at kibbling in-process, for the save time of extension slag powder, avoids the slag powder caking, needs dry the slag crocus, for time, this scheme has provided a coal-fired furnace sediment grinds powder drying device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal-fired furnace sediment grinds whitewashed drying device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal-fired furnace slag grinding and drying device comprises a drying box and an exhaust fan, wherein an inlet pipe is fixed at the top of one side of the drying box, a feed hopper is fixed at the top of the inlet pipe, a motor and a controller are fixed at the top of the drying box, two heating blocks are fixed on the inner wall of the top of the drying box, the two heating blocks and the motor are electrically connected with the controller, a rotating shaft is rotatably connected on the inner wall of the top of the drying box, one end of an output shaft of the motor is in transmission connection with the rotating shaft, a spiral shaft is fixed at the bottom of the rotating shaft, an air outlet and an air inlet are respectively arranged at two sides of the drying box, mounting grooves are respectively arranged at the outer rings of the air outlet and the air inlet, a filter screen is fixed inside each of the two mounting grooves, an electric cabinet is fixed on the outer wall of one side of the drying box, a, the air suction opening of the exhaust fan is fixedly provided with a connecting pipe, the other end of the connecting pipe is fixedly provided with a sealing cover, and the sealing cover is covered outside the air outlet and fixedly connected with the outer wall of the drying box.

Adopt above-mentioned scheme, during the drying, pour the inside of feeder hopper into with the slag crocus, the slag crocus enters into the inside of drying cabinet along the feeder hopper, then start the heating piece through the electric cabinet and heat the material, meanwhile, the air exhauster work, thereby take out the outside of drying cabinet with the moisture in the drying cabinet, and outside air enters into the inside of drying cabinet after filtering along with the air intake, under the control of controller, the motor will rotate at every dead time, thereby overturn the slag crocus, after the drying is accomplished, it discharges the slag crocus from the discharging pipe to open the valve again.

In a preferred embodiment, the bottom of the drying box is a conical structure, and the discharge pipe is provided with a valve.

Adopt above-mentioned scheme, the bottom of drying cabinet is the toper structure, can avoid the material to remain in the bottom of drying cabinet, and the setting of valve is convenient for carry out the switch to the discharging pipe.

As a preferred embodiment, one end of the screw shaft fixedly connected with the rotating shaft is in a truncated cone shape.

Adopt above-mentioned scheme, can avoid the slag crocus to pile up at the top of screw axis.

In a preferred embodiment, a plurality of connecting blocks are fixed on the edge of the sealing cover, and the connecting blocks and the drying box are fixed through bolts.

By adopting the scheme, the connecting block and the bolt are convenient to assemble and disassemble the sealing cover.

As a preferred embodiment, the two filter screens and the two mounting grooves are fixed by screws.

By adopting the scheme, the filter screen is convenient to disassemble, assemble and replace, so that smooth circulation of air can be ensured.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the cooperation between drying cabinet, inlet pipe, feeder hopper, heating piece, electric cabinet, air exhauster, air intake and the air outlet, can send the inside of drying cabinet to the material and heat the drying, take the outside of drying cabinet out with the air that contains the moisture in the while dry, guaranteed dry efficiency.

2. Through the matching between the motor and the spiral shaft, the materials in the drying box can be turned over, so that the evaporation of water is accelerated;

3. the dust in the drying box can be prevented from being extracted to the outside by the arrangement of the filter screen, and external sundries can be prevented from entering the drying box.

The utility model discloses rational in infrastructure, easy operation, not only drying efficiency is high, can avoid the dust in the drying cabinet to be extracted the external world moreover, also can avoid external debris to enter into the inside of drying cabinet, still conveniently changes the filter screen simultaneously, has guaranteed the normal circulation of air.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a side sectional view of the present invention.

Fig. 3 is an enlarged view of a point a of the present invention.

Reference numbers in the figures: 1. a drying oven; 2. a motor; 3. a feed pipe; 4. a feed hopper; 5. a controller; 6. a rotating shaft; 7. a heating block; 8. an electric cabinet; 9. a screw shaft; 10. supporting legs; 11. a discharge pipe; 12. a valve; 13. connecting blocks; 14. a sealing cover; 15. an air outlet; 16. an air inlet; 17. a filter screen; 18. a connecting pipe; 19. an exhaust fan; 20. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a coal-fired furnace slag grinding and drying device comprises a drying box 1 and an exhaust fan 19, wherein a feeding pipe 3 is fixed at the top of one side of the drying box 1, a feeding hopper 4 is fixed at the top of the feeding pipe 3, a motor 2 and a controller 5 are fixed at the top of the drying box 1, two heating blocks 7 are fixed on the inner wall of the top of the drying box 1, the two heating blocks 7 and the motor 2 are both electrically connected with the controller 5, a rotating shaft 6 is rotatably connected on the inner wall of the top of the drying box 1, one end of an output shaft of the motor 2 is in transmission connection with the rotating shaft 6, and a spiral shaft 9 (see fig. 1) is fixed at the; the furnace slag milled powder in the drying box 1 is dried through the heating block, the furnace slag milled powder is turned through the spiral shaft 9, water vapor is ensured to be fully evaporated, the two sides of the drying box 1 are respectively provided with an air outlet 15 and an air inlet 16, the outer rings of the air outlet 15 and the air inlet 16 are respectively provided with a mounting groove 20, filter screens 17 are respectively fixed inside the two mounting grooves 20, and the two filter screens 17 are respectively fixed with the two mounting grooves 20 through screws (see fig. 2-3); the setting of filter screen 17 can avoid the dust in drying cabinet 1 to be extracted the external world, also can avoid external debris to enter into the inside of drying cabinet 1, and filter screen 17 is detachable simultaneously, has made things convenient for the change of filter screen.

An electric cabinet 8 is fixed on the outer wall of one side of the drying box 1, a discharge pipe 11 is fixed at the bottom of the drying box 1, four supporting legs 10 are fixed on the bottom surface of the drying box 1, a connecting pipe 18 is fixed at a suction opening of an exhaust fan 19, a sealing cover 14 is fixed at the other end of the connecting pipe 18, the sealing cover 14 covers the outside of an air outlet 15, a plurality of connecting blocks 13 are fixed at the edge of the sealing cover 14, and the connecting blocks 13 and the drying box 1 are fixed through bolts (see fig. 2-3); the cooperation between sealed cowling 14 and the air exhauster 19 can take out the moisture in drying cabinet 1, and sealed cowling 14 is detachable structure moreover, has made things convenient for the change of filter screen 17 of air outlet 15 department.

Specifically, one end of the screw shaft 9 fixedly connected with the rotating shaft 6 is in a truncated cone-shaped structure (see fig. 1); the truncated cone-shaped structure prevents slag powder from accumulating on the top of the screw shaft 9.

Specifically, the bottom of the drying box 1 is of a conical structure, and a valve 12 (see fig. 1) is mounted on a discharge pipe 11; the bottom of drying cabinet 1 is the toper structure, can avoid the material to remain in the bottom of drying cabinet 1, and valve 12's setting is convenient for carry out the switch to discharging pipe 11.

In the scheme, the model of the controller 5 is AT89C51, and the model of the motor 2 is Y-160L-6.

When in drying, the slag milled powder is poured into the feed hopper 4, the slag milled powder enters the drying box 1 along the feed pipe 3, the electric cabinet 8 is electrically connected with the heating block 7 through a lead, then the electric control box 8 starts the heating block 7 to heat the material, and at the same time, the exhaust fan 19 works, thereby, the moisture in the drying box 1 is extracted to the outside of the drying box 1, the dust in the drying box 1 is blocked by the filter screen 17 and can not be discharged to the outside, the outside air enters the inside of the drying box 1 after being filtered by the air inlet 16, under controller 5's control, motor 2 will rotate every one end time to overturn the slag crocus, the motor does not rotate continuously and is in order to avoid screw axis 9 to raise more dust in drying cabinet 1, and after the drying was accomplished, reopen valve 12 and discharge the slag crocus from discharging pipe 11.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coal-fired furnace sediment grinds powder drying device, includes drying cabinet (1) and air exhauster (19), its characterized in that, one side top of drying cabinet (1) is fixed with inlet pipe (3), the top of inlet pipe (3) is fixed with feeder hopper (4), the top of drying cabinet (1) is fixed with motor (2) and controller (5), be fixed with two heating block (7) on the top inner wall of drying cabinet (1), two heating block (7) and motor (2) all with controller (5) electric connection, it is connected with pivot (6) to rotate on the top inner wall of drying cabinet (1), the one end and pivot (6) transmission of the output shaft of motor (2) are connected, the bottom of pivot (6) is fixed with screw axis (9), air outlet (15) and air intake (16) have been seted up respectively to the both sides of drying cabinet (1), mounting groove (20) have all been seted up to the outer lane of air outlet (15) and air intake (16), and the inside of two mounting grooves (20) all is fixed with filter screen (17), be fixed with electric cabinet (8) on one side outer wall of drying cabinet (1), the bottom of drying cabinet (1) is fixed with discharging pipe (11), the bottom surface of drying cabinet (1) is fixed with four supporting legss (10), the suction opening of air exhauster (19) is fixed with connecting pipe (18), and the other end of connecting pipe (18) is fixed with seal boot (14), the outer wall fixed connection at the outside of air outlet (15) and drying cabinet (1) is established to seal boot (14) cover.

2. The coal-fired furnace slag grinding and drying device as claimed in claim 1, characterized in that the bottom of the drying box (1) is of a conical structure, and the discharge pipe (11) is provided with a valve (12).

3. The coal-fired furnace slag grinding and drying device as claimed in claim 1, wherein one end of the spiral shaft (9) fixedly connected with the rotating shaft (6) is of a round table structure.

4. The coal-fired furnace slag grinding and drying device as claimed in claim 1, characterized in that a plurality of connecting blocks (13) are fixed on the edge of the sealing cover (14), and the connecting blocks (13) and the drying box (1) are fixed through bolts.

5. The coal-fired furnace slag grinding and drying device as claimed in claim 1, wherein the two filter screens (17) are respectively fixed with the two mounting grooves (20) through screws.