CN219328290U

CN219328290U - Biomass fuel belt dryer

Info

Publication number: CN219328290U
Application number: CN202320459277.5U
Authority: CN
Inventors: 孙野; 徐一源; 程宏伟; 高敏; 邢涛; 游磊; 韩露男
Original assignee: Chengdu Design & Research Institute Of Building Materials Industry Co ltd
Current assignee: Chengdu Design & Research Institute Of Building Materials Industry Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-11
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the technical field of material drying, and particularly discloses a biomass fuel belt dryer which comprises a drying box body provided with an air outlet and an air inlet, a material conveying device matched with the drying box body, a spiral material distribution device arranged on the outer side of the drying box body and used for feeding, a heat exchange device arranged in the drying box body and positioned above the material conveying device, a cleaning device arranged on the outer side of the drying box body and used for cleaning the material conveying device, and a material turning device arranged above the material conveying device and arranged along the material conveying direction. The utility model can effectively realize uniform drying of the materials, and can effectively realize collection of the dust in the materials without adding an additional dust collecting device; avoiding environmental pollution caused by material dust.

Description

Biomass fuel belt dryer

Technical Field

The utility model relates to the technical field of material drying equipment, in particular to a biomass fuel belt dryer.

Background

The prior art belt dryer has the following problems:

the feeding device is not special, and the feeding device does not have the function of uniformly distributing materials in the direction of the conveyor belt. In this case, the dryer material is difficult to uniformly distribute in the conveyor belt width direction, and the drying effect is difficult to be ensured;

aiming at the situation that the material is provided with fine powder, a special dust collecting device or dust collecting device is required to be arranged so as to reduce or avoid air pollution caused by bringing the material dust into the atmosphere by the drying air flow;

the lack of standardized or modular design for the dryer body (or oven) results in poor design flexibility, and the need to redesign the oven for different throughput requirements, resulting in a large amount of effort.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a biomass fuel belt dryer which can effectively realize uniform drying of materials and collection of material dust in the materials;

the utility model solves the technical problems by adopting the following solution:

the utility model provides a biomass fuel belt dryer, including the stoving box that is provided with air outlet and air intake, with the material conveyor who dries the box cooperation and use, install in the stoving box outside and be used for the spiral distributing device of feed, install in the stoving box and be located the heat transfer device of material conveyor top, install stoving box outside and be used for to material conveyor abluent belt cleaning device to and a plurality of groups install in material conveyor top and along the turning device that material conveying direction set up.

In some of the possible embodiments of the present utility model,

the material conveying device comprises a conveyor belt penetrating through the drying box body, and a driving roller and a driven roller which are respectively in transmission fit with the conveyor belt and are positioned at the outer side of the drying box; the conveyor belt is a polyester mesh belt.

In some of the possible embodiments of the present utility model,

the conveyor belt comprises a conveying section positioned in the drying box body, a connecting section which is parallel to the conveying section and positioned at the outer side of the bottom of the drying box body, and two groups of matching sections which are respectively connected with the conveying section and the connecting section, wherein the spiral material distributing device is positioned above the conveying section.

In some of the possible embodiments of the present utility model,

the air inlets are arranged at the top of the drying box body and are arranged into a plurality of groups along the conveying direction, the heat exchange devices are arranged into a plurality of groups and are in one-to-one correspondence with the air inlets, and the air inlets are positioned above the corresponding heat exchange devices.

In some of the possible embodiments of the present utility model,

the air outlets are arranged in one-to-one correspondence with the air inlets and are positioned on the side wall of the drying box body, and the air outlets are positioned between the conveying section and the connecting section.

In some of the possible embodiments of the present utility model,

the cleaning device comprises a wind cleaning device which is positioned below the output end of the conveying section and is used for cleaning the matched section connected with the output end of the conveying section.

In some of the possible embodiments of the present utility model,

the output end of the conveyor belt is provided with a material collecting box connected with the outer side of the drying box, and the driving roller and the air washing device are both arranged in the material collecting box; a discharge hole is arranged at the bottom of the material collecting box.

In some of the possible embodiments of the present utility model,

the cleaning device further comprises a water washing device which is arranged at the bottom of the outer side of the drying box and used for cleaning the connecting section.

In some possible embodiments, in order to enable the present device to be adapted to the production requirements of different projects;

the drying box body comprises a plurality of box bodies which are identical in structure and connected in sequence.

In some of the possible embodiments of the present utility model,

the material turning device comprises a rotating shaft which is rotationally connected with the inner side of the drying box body and is mutually perpendicular to the conveying direction, and a plurality of groups of blades which are sleeved on the outer side of the rotating shaft and are axially arranged along the rotating shaft.

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

compared with the prior art, the material can be effectively distributed on the conveyor belt, the materials are dried through the cooperation of the heat exchange device, the air inlet and the air outlet, the conveyed materials are overturned through the overturning mechanism in the drying process, so that the materials can be uniformly dried, the drying efficiency is high, the dried materials are discharged from the discharge port through the conveyor belt, and then the conveyor belt is cleaned by the cleaning device, so that part of the material dust on the conveyor belt is blown off to realize the collection of the material dust and the cleaning of the conveyor belt, and the collected material dust is discharged from the discharge port;

the utility model adopts the polyester mesh belt as the conveyor belt and is matched with the air washing device to collect dust, the polyester mesh belt has a certain weaving pore, the air inlet is arranged above the polyester mesh belt, the air outlet is arranged below the polyester mesh belt, the drying air flow is conveyed from the upper part to the lower part of the conveyor belt, and in the drying process, the dust of the materials is blocked by the polyester mesh belt and is remained in the weaving pore; after the material on the conveyor belt is discharged, the air washing device sprays high-pressure air flow to the polyester mesh belt, and the high-pressure air flow applies acting force to the polyester mesh belt so as to blow down the material dust in the weaving holes and discharge the material dust from a discharge hole of the material collecting box.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is an elevation view of the present utility model;

FIG. 4 is a schematic view of a material conveying apparatus according to the present utility model;

FIG. 5 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;

FIG. 6 is an enlarged view of the portion B of FIG. 1 in accordance with the present utility model;

FIG. 7 is a side view of the present utility model;

wherein: 1. drying the box body; 11. an air inlet; 12. an air outlet; 2. a material conveying device; 21. a conveying section; 22. a connection section; 23. a mating section; 3. a spiral material distribution device; 4. a heat exchange device; 5. a material turning device; 6. a material collection box; 7. a wind washing device; 8. and (3) a water washing device.

Detailed Description

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms in this application does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of an association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in detail below.

As shown in fig. 1-7:

the utility model provides a biomass fuel belt dryer, including be provided with air outlet 12 and air intake 11 stoving box 1, with stoving box 1 cooperation material conveying device 2 that uses, install in stoving box 1 outside and be used for the spiral distributing device 3 of feed, install in stoving box 1 and be located the heat transfer device 4 of material conveying device 2 top, install the stoving box 1 outside and be used for the belt cleaning device to material conveying device 2 to and a plurality of groups install in material conveying device 2 top and along the turning device 5 that the material conveying direction set up.

Preferably, by adopting the spiral distributing device 3 as a feeding device, effective assurance can be realized that the materials are uniformly arranged on the material conveying device 2;

when the utility model is used, the materials are arranged on the material conveying device 2 through the spiral material distributing device arranged on the outer side of the drying box body 1, the material conveying device 2 conveys the materials in the drying box body 1, air enters the drying box body 1 from the air inlet 11 in the conveying process, the air is heated by the heat exchanging device 4 and then acts on the materials to perform drying heat exchange on the materials, and the air after heat exchange is discharged from the air outlet 12; in the material conveying process, the material turning device 5 turns the material on the material conveying device 2, so that the material can be uniformly mixed and the uniform drying of the material is ensured; after the dried materials are discharged, the cleaning device cleans the material conveying device 2, cleans and collects the material dust, and the collected material dust is discharged together with the materials; compared with the prior art, the utility model can realize the dust collection of the material without adding a dust collection device additionally;

in some of the possible embodiments of the present utility model,

the material conveying device 2 comprises a conveyor belt penetrating through the drying box body 1, a driving roller and a driven roller which are respectively in transmission fit with the conveyor belt and are positioned at the outer side of the drying box, and a carrier roller for supporting the conveyor belt for being matched with the conveyor belt; the conveyor belt is a polyester mesh belt with woven apertures.

The material conveying device 2 has the same structure as the belt conveying device in the prior art, and is different in that a polyester mesh belt is adopted as a conveying belt for material arrangement; when in use, the driving roller positioned at the outer side of the drying box body 1 drives the conveyor belt and the driven roller to act so as to realize the conveying of the materials arranged on the conveyor belt through the spiral material distribution device along the conveying direction; the material dust generated in the drying process moves from top to bottom under the action of the drying air flow, and the polyester mesh belt is used as a conveying belt, so that the material dust is blocked and remains in the weaving holes due to the weaving holes of the polyester mesh belt; after the materials are discharged through the output end of the conveyor belt, the material dust left in the weaving holes in the section of conveyor belt is collected under the action of the cleaning device and is discharged together with the materials; the pollution of the material dust to the environment is reduced.

In some possible embodiments, the conveying and discharging of the materials are realized effectively;

the conveyor belt comprises a conveying section 21 positioned in the drying box body 1, a connecting section 22 which is parallel to the conveying section 21 and positioned on the outer side of the bottom of the drying box body 1, and two groups of matching sections 23 which are respectively connected with the conveying section 21 and the connecting section 22, wherein the spiral distributing device 3 is positioned above the conveying section 21.

The carrier roller comprises a first supporting roller which is arranged in the drying box body 1 and matched with the conveying section 21 for use, and a second supporting roller which is arranged at the bottom of the drying box body 1 and matched with the connecting section 22 for use; the first supporting roller is positioned at the bottom of the conveying section 21, and the second supporting roller is positioned at the bottom of the connecting section 22;

the cleaning device is arranged between the conveying section 21 and the connecting section 22 and is positioned at the outer side of the drying box body 1; the connecting section 22 is arranged on the outer side of the bottom of the drying box body 1, so that the hot air is effectively prevented from continuously acting on the conveyor belt, and the service life of the conveyor belt is greatly prolonged.

In some possible embodiments, in order to effectively achieve drying of the material;

the air inlets 11 are arranged at the top of the drying box body 1 and are arranged into a plurality of groups along the conveying direction, the heat exchange devices 4 are arranged into a plurality of groups and are in one-to-one correspondence with the air inlets 11, and the air inlets 11 are positioned above the corresponding heat exchange devices 4.

In some possible embodiments, in order to effectively realize the effective effect and material after the air flow is heated, the air flow can be effectively discharged after heat exchange;

the air outlets 12 are arranged in one-to-one correspondence with the air inlets 11 and are positioned on the side wall of the drying box body 1, and the air outlets 12 are positioned between the conveying section 21 and the connecting section 22.

The air inlets 11 are arranged at the top of the drying box body 1 and used for entering air flow, and the air outlets 12 are arranged between the conveying sections 21 and the connecting sections 22 and are in one-to-one correspondence with the air inlets 11; the air flow enters the drying box body 1 from the air inlet 11, is subjected to heating treatment through the heat exchange device 4 at the lower side of the air inlet 11, and downwards moves to act on the materials so as to realize the drying heat exchange of the materials;

when the material is dried, the material dust can be blocked by the polyester mesh belt and is left in the weaving holes, and the material dust left in the weaving holes can be cleaned under the action of the cleaning device, so that the collection and cleaning of the material dust in the material can be realized on the premise of not increasing the dust collecting device, and the equipment cost is reduced.

In some of the possible embodiments of the present utility model,

the cleaning device comprises a wind cleaning device 7 which is positioned below the output end of the conveying section 21 and is used for cleaning the matching section 23 connected with the output end of the conveying section 21.

In some of the possible embodiments of the present utility model,

the output end of the conveyor belt is provided with a material collecting box 6 connected with the outer side of the drying box body 1, and the driving roller and the air washing device 7 are both arranged in the material collecting box 6; a discharge hole is arranged at the bottom of the material collecting box 6.

The wind washing device 7 is arranged in the material collecting box 6 and is used for cleaning the output end of the conveyor belt; after the material at the output end is discharged through the discharge port, the air washing device 7 is started at the moment, and high-pressure air flow is sprayed to the position where the material at the output end is discharged, so that the material dust in the woven pore falls off after being stressed and is completely conveyed to the discharge port to be discharged together with the material;

in some of the possible embodiments of the present utility model,

the cleaning device also comprises a water washing device 8 which is arranged at the bottom of the outer side of the drying box and is used for cleaning the connecting section 22.

After being treated by the wind washing device 7, the water is continuously rotated to the lower part of the water washing device 8 under the action of the driving roller, and the water flow sprayed by the water washing device 8 is used for cleaning the water again.

In some possible embodiments, in order to enable the present device to be adapted to the production requirements of different projects; the drying box 1 comprises a plurality of box bodies which are identical in structure and are connected in sequence.

When the drying box is used, according to the requirements of different project yields, the corresponding number of box bodies can be increased or reduced, and the drying box body 1 with the corresponding length and meeting the project requirements can be formed.

The more the quantity of case body, the longer the length of stoving box, the longer the length of conveyer belt just also, and then makes the stoving area bigger, and the output is bigger promptly.

The drying box body is in a modularized design, so that the application range of the drying box body is wider, each modification is not required due to different yields, and the design and research cost is reduced.

In some possible embodiments, in order to effectively realize stirring of materials, the materials on the same position of the conveyor belt can be effectively dried, so that the materials are dried more uniformly; the stirring device 5 can adopt a thorn plow type stirring scoop and a paddle type stirring scoop; wherein the thorn plow type turning spoon can be used for block or strip materials, and the blade type turning spoon can be used for fine granular materials.

When the fine particle materials are turned over, the turning device 5 comprises a rotating shaft which is rotationally connected with the inner side of the drying box body 1 and is mutually perpendicular to the conveying direction, and a plurality of groups of blades which are sleeved on the outer side of the rotating shaft and are axially arranged along the rotating shaft.

The material is carried along the direction of delivery under the effect of conveyer belt, because the both ends and the stoving box 1 normal running fit of pivot, the blade is used in the material layer, and the blade will revolute the pivot rotation under the effect of pivot to make the material upset.

The utility model is not limited to the specific embodiments described above. The utility model extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.

Claims

1. The utility model provides a biomass fuel belt dryer, its characterized in that, including the stoving box that is provided with air outlet and air intake, with the material conveyor who dries the box cooperation and use, install in stoving box outside and be used for the spiral distributing device of feed, install in stoving box and be located the heat transfer device of material conveyor top, install stoving box outside and be used for to material conveyor abluent belt cleaning device to and install in material conveyor top and along the turning device that material conveying direction set up.

2. The biomass fuel belt dryer according to claim 1, wherein the material conveying device comprises a conveyor belt penetrating through the drying box body, and a driving roller and a driven roller which are respectively in transmission fit with the conveyor belt and are positioned outside the drying box; the conveyor belt is a polyester mesh belt.

3. The biomass fuel belt dryer according to claim 2, wherein the conveyor belt comprises a conveying section, a connecting section, two sets of matching sections, and a spiral distributing device, wherein the conveying section is positioned in the drying box body, the connecting section is arranged in parallel with the conveying section and positioned on the outer side of the bottom of the drying box body, and the two sets of matching sections are respectively connected with the conveying section and the connecting section, and the spiral distributing device is positioned above the conveying section.

4. The biomass fuel belt dryer according to claim 3, wherein the air inlets are arranged at the top of the drying box body and are arranged in a plurality of groups along the conveying direction, the heat exchanging devices are arranged in a plurality of groups and are arranged in one-to-one correspondence with the air inlets, and the air inlets are positioned above the corresponding heat exchanging devices.

5. The biomass fuel belt dryer of claim 4, wherein the air outlets are arranged in one-to-one correspondence with the air inlets and are positioned on the side wall of the drying box body, and the air outlets are positioned between the conveying section and the connecting section.

6. A biomass fuel belt dryer as claimed in claim 3, wherein the cleaning means includes a wind washing means located below the output end of the conveying section for washing the mating section connected to the output end of the conveying section.

7. The biomass fuel belt dryer according to claim 6, wherein a material collecting box connected with the outer side of the drying box is arranged at the output end of the conveyor belt, and the driving roller and the air washing device are both arranged in the material collecting box; a discharge hole is arranged at the bottom of the material collecting box.

8. The biomass fuel belt dryer of claim 6, wherein the cleaning device further comprises a water washing device installed at the bottom of the outside of the drying box for cleaning the connection section.

9. The biomass fuel belt dryer of any one of claims 1 to 8, wherein the drying box comprises a plurality of box bodies which are identical in structure and are connected in sequence.

10. The biomass fuel belt dryer according to any one of claims 1 to 8, wherein the turning device comprises a rotating shaft rotatably connected to the inner side of the drying box and perpendicular to the conveying direction, and a plurality of groups of blades sleeved on the outer side of the rotating shaft and axially arranged along the rotating shaft.