CN219531597U - Exhaust device for roller dryer - Google Patents

Abstract

The utility model relates to the technical field of exhaust devices of roller dryers, and discloses an exhaust device for a roller dryer, which comprises a roller body, wherein a material seat is fixedly arranged at the lower end of the roller body, a steam collecting tank is arranged at the upper end of the roller body, and a flow guide pipe is arranged at the upper end of the steam collecting tank. This exhaust apparatus for drum dryer utilizes the steam collecting vat to collect the steam that the drum drying produced to shunt and get into the waste heat recovery case after getting into the reposition of redundant personnel case, steam and cooling coil contact realize the condensation to steam, and the heat of steam is absorbed by the heat transfer medium in the cooling coil, and the drop of water of condensation gets into the water collection box after, realize getting into the removal of moisture, the heat transfer medium after being heated gets into the heat conduction coil through the communicating tube simultaneously, the convenience is to the protection and the heating of cylinder body, realize retrieving and the utilization to waste heat, and realize the protection through heat conduction coil and thermal-insulated skin, reduce thermal loss, thereby reduce the ability.

Description

Exhaust device for roller dryer

Technical Field

The utility model relates to the technical field of exhaust devices of roller dryers, in particular to an exhaust device for a roller dryer.

Background

The drum dryer is a contact type internal heating conduction type drying machine. The drum dryer is widely applied to the aspects of chemical industry, brewing, manufacturing, pharmacy, fertilizer, municipal sludge treatment and the like, so that when the drum dryer dries materials, moisture in the materials is evaporated, the evaporated moisture forms steam, and a large amount of water vapor is contained in the steam and is generally required to be discharged.

Through retrieving, the chinese patent with the bulletin number of CN209459397U discloses an exhaust device for a roller dryer, which belongs to the technical field of exhaust devices of roller dryers, and comprises a roller, a material groove below the roller, and a vapor collecting groove above the roller, wherein an exhaust pipe is connected to the vapor collecting groove, the exhaust pipe comprises a lower exhaust pipe, a middle exhaust pipe and an upper exhaust pipe, the middle exhaust pipe is of a bent pipe structure, a water collecting cavity is arranged at the lower position of the middle exhaust pipe, and a water outlet is arranged at the bottom of the water collecting cavity. According to the embodiment, the middle exhaust pipe is arranged to be of the bent pipe structure, and the water collecting cavity is arranged at the lower position of the bent point of the bent pipe, so that the problem that water drops condensed when meeting cold fall onto materials to be dried or dried along the exhaust pipe when the materials are dried by the conventional roller dryer is solved.

An existing exhaust device for a roller dryer.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an exhaust device for a roller dryer, which aims to solve the problems that the roof fan is mainly fixedly installed due to the consideration of water resistance, flying snow resistance and wind sand resistance in the background art, the fan cannot be disassembled after being installed by adopting welding or riveting, and sealing measures during installation are easily damaged by vibration of the operation of the fan, so that the roof is leaked, and the practicability of the roof fan is greatly reduced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust apparatus for cylinder drier, includes the cylinder body, the lower extreme fixed mounting of cylinder body has the material seat, the upper end of cylinder body is provided with the steam collecting vat, the upper end of steam collecting vat is provided with the honeycomb duct, the upper end fixedly connected with reposition of redundant personnel case of honeycomb duct, the avris of reposition of redundant personnel case is provided with the waste heat recovery case, the one end fixedly connected with blast pipe of reposition of redundant personnel case is kept away from to the waste heat recovery case, the outside of cylinder body is provided with thermal-insulated skin, be provided with heat conduction coil pipe between thermal-insulated skin and the cylinder body, the exhaust fan is installed to the one end that the waste heat recovery case was kept away from to the blast pipe.

Preferably, the waste heat recovery box is symmetrically arranged in two with respect to the vertical central line of the split box, and the two waste heat recovery boxes and the left end and the right end of the split box are mutually communicated through pipelines, and steam generated in the drum enters the waste heat recovery box through the split box, so that the steam can be conveniently condensed.

Preferably, the inside of waste heat recovery case is provided with cooling coil, the front end of waste heat recovery case has the shunt tubes, the shunt tubes is provided with two, and two the communication pipe is all installed to the avris of shunt tubes, after steam gets into waste heat recovery case, realizes the heat transfer through contact cooling coil, conveniently retrieves waste heat, and condenses steam for the steam condensation is the drop of water, conveniently gets rid of the steam in the steam.

Preferably, the cooling coil is equidistant distributed, the upper end and the lower end of the cooling coil are respectively communicated with the shunt pipes, heat exchange is realized through contact of the cooling coil and steam, and a heat exchange medium in the cooling coil is heated, so that waste heat recovery is realized.

Preferably, the lower extreme fixed mounting of surplus heat recovery case has the water-collecting box, the lower extreme of water-collecting box is provided with the drain pipe, and the drop of water after the condensation naturally falls down in entering water-collecting box, conveniently drains through the drain pipe.

Preferably, the heat conduction coil pipe and the roller body are mutually adapted, two ends of the heat conduction coil pipe are respectively connected with the communication pipe, a heated heat exchange medium is sent into the heat conduction coil pipe by the communication pipe, waste heat utilization is achieved, protection is achieved through the heat conduction coil pipe and the heat insulation outer layer, heat loss is reduced, and accordingly energy consumption is reduced.

Compared with the prior art, the utility model provides the exhaust device for the roller dryer, which has the following beneficial effects:

this exhaust apparatus for drum dryer utilizes the steam collecting vat to collect the steam that the drum drying produced to shunt and get into the waste heat recovery case after getting into the reposition of redundant personnel case, steam and cooling coil contact realize the condensation to steam, and the heat of steam is absorbed by the heat transfer medium in the cooling coil, and the drop of water of condensation gets into the water collection box after, realize getting into the removal of moisture, the heat transfer medium after being heated gets into the heat conduction coil through the communicating tube simultaneously, the convenience is to the protection and the heating of cylinder body, realize retrieving and the utilization to waste heat, and realize the protection through heat conduction coil and thermal-insulated skin, reduce thermal loss, thereby reduce the ability.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present utility model;

FIG. 2 is a schematic perspective view of the waste heat recovery box of the present utility model;

fig. 3 is a schematic elevational view of the present utility model.

In the figure: 1. a drum body; 2. a material seat; 3. a steam collection tank; 4. a flow guiding pipe; 5. a shunt box; 6. a waste heat recovery box; 61. a cooling coil; 62. a shunt; 63. a communicating pipe; 64. a water collecting box; 65. a drain pipe; 7. an exhaust pipe; 8. an outer insulating layer; 9. a thermally conductive coil; 10. and an exhaust fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: an exhaust device for a roller dryer comprises a roller body 1, a material seat 2 is fixedly arranged at the lower end of the roller body 1, a steam collecting tank 3 is arranged at the upper end of the roller body 1, a flow guide pipe 4 is arranged at the upper end of the steam collecting tank 3, a flow distribution box 5 is fixedly connected at the upper end of the flow guide pipe 4, waste heat recovery boxes 6 are arranged at the side of the flow distribution box 5, two waste heat recovery boxes 6 are symmetrically arranged about the vertical central line of the flow distribution box 5, the two waste heat recovery boxes 6 are mutually communicated with the left end and the right end of the flow distribution box 5 through pipelines, a cooling coil 61 is arranged in the waste heat recovery boxes 6, a flow distribution pipe 62 is fixedly arranged at the front end of the waste heat recovery boxes 6, the two flow distribution pipes 62 are arranged, the side sides of the two shunt pipes 62 are provided with a communication pipe 63, the cooling coil pipe 61 is distributed at equal intervals, the upper end and the lower end of the cooling coil pipe 61 are respectively communicated with the shunt pipes 62, the lower end of the waste heat recovery box 6 is fixedly provided with a water collecting box 64, the lower end of the water collecting box 64 is provided with a drain pipe 65, steam generated by drying a roller is collected by utilizing the steam collecting tank 3 and is shunted into the waste heat recovery box 6 after entering the shunt box 5, the steam is contacted with the cooling coil pipe 61, the condensation of the steam is realized, the heat of the steam is absorbed by a heat exchange medium in the cooling coil pipe 61, and condensed water drops fall into the water collecting box 64, so that the removal of the water is realized;

the one end fixedly connected with blast pipe 7 of shunt case 5 is kept away from to waste heat recovery case 6, the outside of cylinder body 1 is provided with thermal-insulated outer 8, be provided with heat conduction coil 9 between thermal-insulated outer 8 and the cylinder body 1, heat conduction coil 9 and the mutual adaptation of cylinder body 1, heat conduction coil 9's both ends are connected with the closed-loop pipe 63 respectively, the exhaust fan 10 is installed to the one end that waste heat recovery case 6 was kept away from to blast pipe 7, the heat transfer medium after being heated gets into heat conduction coil 9 through the closed-loop pipe 63, the convenience is to the protection and the heating of cylinder body 1, realize the recovery and the utilization to the waste heat, and realize the protection through heat conduction coil 9 and thermal-insulated outer 8, reduce thermal loss, thereby reduce the ability.

Working principle: firstly, when the drum is used, materials are subjected to drying treatment through the drum body 1, so that the drum body 1 is at a height Wen Zhuangkuang, steam generated by drying forms steam, steam generated by drying the drum is collected by utilizing the steam collecting tank 3, the steam is split into the waste heat recovery box 6 after entering the split box 5, the steam is contacted with the cooling coil 61, condensation of the steam is realized, heat of the steam is absorbed by a heat exchange medium in the cooling coil 61, condensed water drops fall down and then enter the water collecting box 64, removal of water is realized, and meanwhile, the heated heat exchange medium enters the heat conducting coil 9 through the communication pipe 63, so that the drum body 1 is protected and heated conveniently, waste heat is recycled and utilized, protection is realized through the heat conducting coil 9 and the heat insulation outer layer 8, heat loss is reduced, and energy is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An exhaust device for a drum dryer, comprising a drum body (1), characterized in that: the utility model discloses a steam drum, including cylinder body (1), material seat (2) are fixed firmly to the lower extreme of cylinder body (1), the upper end of cylinder body (1) is provided with steam collecting vat (3), the upper end of steam collecting vat (3) is provided with honeycomb duct (4), the upper end fixedly connected with shunt case (5) of honeycomb duct (4), the avris of shunt case (5) is provided with waste heat recovery case (6), waste heat recovery case (6) are kept away from the one end fixedly connected with blast pipe (7) of shunt case (5), the outside of cylinder body (1) is provided with thermal-insulated skin (8), be provided with heat conduction coil (9) between thermal-insulated skin (8) and the cylinder body (1), exhaust fan (10) are installed to the one end that waste heat recovery case (6) was kept away from to blast pipe (7).

2. An exhaust apparatus for a drum dryer according to claim 1, wherein: two waste heat recovery boxes (6) are symmetrically arranged on the vertical central line of the split-flow box (5), and the two waste heat recovery boxes (6) and the left end and the right end of the split-flow box (5) are mutually communicated through pipelines.

3. An exhaust apparatus for a drum dryer according to claim 1, wherein: the inside of waste heat recovery case (6) is provided with cooling coil (61), the front end of waste heat recovery case (6) is fixed with shunt tubes (62), shunt tubes (62) are provided with two, and two communication pipe (63) are all installed to the avris of shunt tubes (62).

4. An exhaust apparatus for a drum dryer according to claim 3, wherein: the cooling coils (61) are distributed at equal intervals, and the upper end and the lower end of each cooling coil (61) are respectively communicated with the shunt pipes (62).

5. An exhaust apparatus for a drum dryer according to claim 1, wherein: the lower extreme fixed mounting of waste heat recovery case (6) has water collecting box (64), the lower extreme of water collecting box (64) is provided with drain pipe (65).

6. An exhaust apparatus for a drum dryer according to claim 4, wherein: the heat conduction coil (9) and the roller body (1) are mutually matched, and two ends of the heat conduction coil (9) are respectively connected with the communicating pipe (63).