CN213066995U

CN213066995U - Mortar raw material drying device

Info

Publication number: CN213066995U
Application number: CN202021841574.9U
Authority: CN
Inventors: 朱学伟; 蔺李娟; 朱晓芳; 杨步振
Original assignee: Henan Bolang Industrial Co ltd
Current assignee: Henan Bolang Industrial Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-27
Anticipated expiration: 2030-08-28

Abstract

The utility model provides a mortar raw material drying device, which comprises a shell, wherein a feed inlet and a discharge outlet are arranged on the shell, a hollow rotating rod is rotatably arranged in the shell, and the rotating rod is driven to rotate by the output end of a driving motor through a belt; the two ends of the rotating rod are respectively an air inlet end and a sealing end, the surface of the rotating rod is provided with air holes, the rotating rod is also provided with spiral pushing blades, and pushing surfaces of the spiral pushing blades are uniformly provided with hook teeth; the top of the shell is also provided with an exhaust port, and the outer end of the exhaust port is connected with an exhaust pipe in sequence; the exhaust pipe penetrates through the heat exchange box, an air inlet and an air outlet are formed in the heat exchange box, fins are distributed on the exhaust pipe located in the heat exchange box along the circumferential direction, a fan is arranged at the air inlet, the air outlet is connected with one end of an air supply pipe, the other end of the air supply pipe is connected with the air inlet end of the rotating rod through a buckle type rotating joint, and a heater is arranged on the air supply pipe; the tail end of the exhaust pipe is connected to the dust separating device. The utility model discloses can be on energy-conserving basis, high-efficient carry out drying process to the mortar raw materials.

Description

Mortar raw material drying device

Technical Field

The utility model belongs to the technical field of the mortar raw materials processing, concretely relates to mortar raw materials drying device.

Background

At present, in the process of producing dry powder mortar, sand drying is an important process, namely, a mortar raw material needs to be dried firstly, and then the mortar raw material is transported and screened, so that the production efficiency is low.

At present, continuous production is realized with grit stoving process and subsequent handling usually in the trade, adopts automatic continuous conveying equipment in order to realize the high-efficient function of process promptly, with online stoving of grit, directly carries to screening process after the stoving, carries out the batching compounding again after the screening, carries out ejection of compact packing or loading again, then transports or stores in a warehouse, has avoided the transportation between different processes.

However, in the current online automatic conveying and drying process of the sand, the sand is on a plane conveyor belt, so that the problem of uneven drying of the sand exists, and the subsequent screening and the effective storage of the finished mortar dry powder are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a mortar raw materials drying device, concrete scheme is as follows:

a mortar raw material drying device comprises a shell, wherein a feed inlet and a discharge outlet are formed in the shell, a hollow rotating rod is rotatably arranged in the shell, and the rotating rod is driven to rotate by the output end of a driving motor through a belt; the two ends of the rotating rod are respectively an air inlet end and a sealing end, air holes are formed in the surface of the rotating rod, spiral pushing blades are further arranged on the rotating rod, and hook teeth are uniformly distributed on pushing surfaces of the spiral pushing blades; the top of the shell is also provided with an exhaust port, the exhaust port is provided with an external motor axial flow fan, and the outer end of the exhaust port is sequentially connected with an exhaust pipe; the exhaust pipe penetrates through the heat exchange box, an air inlet and an air outlet are formed in the heat exchange box, fins are distributed on the exhaust pipe located in the heat exchange box along the circumferential direction, an induced fan is arranged at the air inlet, the air outlet is connected with one end of an air supply pipe, the other end of the air supply pipe is connected with the air inlet end of the rotating rod through a buckle type rotating joint, and a heater is arranged on the air supply pipe; the tail end of the exhaust pipe is connected to the dust separating device.

Based on the above, dust separator includes the box, the box top is equipped with the exhaust hole, and the bottom half is equipped with the bin outlet, bin outlet department is equipped with the valve, is divided into the exhaust area that is located upper portion and the dust collecting area that is located the lower part by the baffle in the box, it is equipped with cyclone to run through on the baffle, cyclone's air intake be used for with the blast pipe is connected.

Based on the above, a filter screen is also arranged in the exhaust area.

Based on the above, the dust collecting area slants obliquely downwards to the discharge opening.

The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model has the following advantages:

1. the utility model discloses in, setting up through the propelling movement face equipartition at the spiral propelling movement leaf and colluding the tooth, can evenly roll the mortar raw materials at the in-process that promotes, the bull stick is well cavity pole, and the equipartition is equipped with the bleeder vent that is used for letting in steam on the bull stick, and this structural design can guarantee the drying efficiency to the mortar raw materials.

2. The utility model discloses in, through set up the external axial fan of motor in gas vent department, can avoid the motor to receive the damage when guaranteeing to the inside exhaust efficiency of casing.

3. The utility model discloses in, through setting up the heat transfer case, set up the fin along the circumference equipartition on the blast pipe in the heat transfer case, this structural design can be high-efficient will be retrieved from the heat of gas vent well combustion gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the dust collecting device of the present invention.

In the figure: 1. a housing; 2. a feed inlet; 3. a discharge port; 4. a rotating rod; 5. air holes are formed; 6. spirally pushing the leaves; 7. hooking teeth; 8. a drive motor; 9. a belt; 10. an exhaust port; 11. an exhaust pipe; 12. an external motor axial flow fan; 13. a heat exchange box; 14. an air inlet; 15. a fan guide; 16. an air outlet; 17. a gas supply pipe; 18. a snap-in rotary joint; 19. a heater; 20. a dust separation device; 201. a box body; 202. a partition plate; 203. a cyclone separator; 204. an air inlet; 205. a filter screen; 206. an exhaust hole; 207. a discharge outlet; 208. and (4) a valve.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Examples

As shown in fig. 1-2, the utility model provides a mortar raw materials drying device, including casing 1, be equipped with feed inlet 2, discharge gate 3 on the casing 1, hollow bull stick 4 is installed to the 1 internal rotation of casing, bull stick 4 passes through belt 9 by driving motor 8's output and drives its rotation, and the both ends of bull stick 4 are inlet end, sealed end respectively.

Be equipped with bleeder vent 5 on the surface of bull stick 4, still be equipped with spiral propelling movement leaf 6 on bull stick 4, for guaranteeing that the material can be quick even stoving, be equipped with in the propelling movement face equipartition of spiral propelling movement leaf 6 and collude tooth 7.

An exhaust port 10 for discharging waste gas generated in the drying process outwards is further arranged at the top of the shell 1, an external motor type axial flow fan 12 is arranged at the exhaust port 10, and an exhaust pipe 11 is connected to the outer end of the exhaust port 10 in sequence.

The exhaust pipe 11 passes heat exchange box 13, is equipped with air inlet 14, gas outlet 16 on heat exchange box 13, has laid the fin along circumference on the exhaust pipe 11 that is located heat exchange box 13, is equipped with induced air fan 15 that is used for introducing the air in air inlet 14 department, and gas outlet 16 is connected with the one end of air supply pipe 17, the other end of air supply pipe 17 pass through buckle formula rotary joint 18 with the inlet end of bull stick 4 is connected, still is equipped with heater 19 on the air supply pipe 17, the end-to-end connection of exhaust pipe 11 is to dust separator 20.

The dust separating device 20 is mainly used for collecting the dust in the gas exhausted from the exhaust port 10, and includes a box 201, an exhaust hole 206 is arranged at the top of the box 201, a discharge hole 207 is arranged at the bottom of the box 201, a valve 208 is arranged at the discharge hole 207, the box 201 is divided into an exhaust area at the upper part and a dust collecting area at the lower part by a partition plate 202, a cyclone 203 is arranged on the partition plate 202 in a penetrating manner, and an air inlet 204 of the cyclone 203 is used for connecting with the exhaust pipe 11.

In order to prevent the dust from leaking out of the exhaust hole 206, a filter screen 205 is further arranged in the exhaust area.

In order to facilitate the outward discharge of the impurities collected by the dust separating device 20, the dust collecting region is inclined obliquely downward to the discharge opening 207.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a mortar raw materials drying device which characterized in that: the automatic feeding device comprises a shell (1), wherein a feeding hole (2) and a discharging hole (3) are formed in the shell (1), a hollow rotating rod (4) is rotatably installed in the shell (1), and the rotating rod (4) is driven to rotate by the output end of a driving motor (8) through a belt (9); the air inlet end and the sealing end are respectively arranged at two ends of the rotating rod (4), the air holes (5) are formed in the surface of the rotating rod (4), the rotating rod (4) is further provided with spiral pushing blades (6), and hook teeth (7) are uniformly distributed on pushing surfaces of the spiral pushing blades (6); the top of the shell (1) is also provided with an exhaust port (10), a motor external axial flow fan (12) is arranged at the exhaust port (10), and the outer end of the exhaust port (10) is sequentially connected with an exhaust pipe (11); the exhaust pipe (11) penetrates through the heat exchange box (13), an air inlet (14) and an air outlet (16) are arranged on the heat exchange box (13), fins are distributed on the exhaust pipe (11) located in the heat exchange box (13) along the circumferential direction, an induced fan (15) is arranged at the air inlet (14), the air outlet (16) is connected with one end of an air supply pipe (17), the other end of the air supply pipe (17) is connected with the air inlet end of the rotating rod (4) through a buckle type rotary joint (18), and a heater (19) is arranged on the air supply pipe (17); the tail end of the exhaust pipe (11) is connected to a dust separating device (20).

2. The mortar raw material drying device of claim 1, characterized in that: dust separator (20) include box (201), box (201) top is equipped with exhaust hole (206), and box (201) bottom is equipped with bin outlet (207), bin outlet (207) department is equipped with valve (208), is divided into the exhaust area that is located upper portion and the dust collecting area that is located the lower part by baffle (202) in box (201), it is equipped with cyclone (203) to run through on baffle (202), air intake (204) of cyclone (203) be used for with blast pipe (11) are connected.

3. The mortar raw material drying device of claim 2, characterized in that: a filter screen (205) is also arranged in the exhaust area.

4. The mortar raw material drying device of claim 2, characterized in that: the dust collecting area slantly inclines downwards to the discharge opening (207).