Up-down circulation drying room

Abstract

The utility model relates to the technical field of drying rooms, in particular to an up-down circulation drying room which comprises a room body and a heat source, the heat source is arranged at one end of the room body and comprises a heat preservation box body and a heating device, the heating device is arranged in the heat preservation box body, and an air return fan is arranged at the lower end of the heat preservation box body. And an exhaust fan is arranged at the top in the room body. The utility model has the advantages that the drying room is convenient to build, the integration level of the device is high, and the installation can be completed only by building the room body and fixing the heat source at one end of the room body.

Description

Technical Field

[0001] The utility model relates to the technical field of drying rooms, in particular to an up-and-down circulation drying room. Background Art

[0002] Hot air drying room is used to evaporate the moisture in the material and dry the material. The circulating fan and electric heater (or hot air pipe) of the existing drying room are often installed inside the drying room through a partition. Such a structure reduces the usable area in the drying room, reduces the space utilization rate, and is not easy to install. Utility Model Content

[0003] The utility model aims to overcome the disadvantages of the prior art and provide an up-and-down circulation drying room.

[0004] The purpose of the utility model is achieved through the following technical solutions: an up and down circulation drying room, comprising a room body and a heat source, the heat source is arranged at one end of the room body, the heat source comprises an insulation box and a heating device, the heating device is arranged in the insulation box, a return air fan is arranged at the lower end of the insulation box, and an exhaust fan is arranged at the top of the room body.

[0005] Specifically, the heating device is a biomass combustion furnace, a smoke exhaust fan is arranged at the top of the biomass combustion furnace, an ash removal port is arranged at the bottom of the biomass combustion furnace, a fresh air valve is arranged on the heat preservation box, a dehumidification device is arranged at one end of the top of the room away from the heat source, and an exhaust fan is arranged at the upper end of the heat preservation box.

[0006] Specifically, the heating device is an air energy heat pump, the top of the insulation box is connected to the interior of the room through an outlet pipe, an exhaust fan is provided in the room at the air outlet of the outlet pipe, a waste heat recovery device is provided in the insulation box, a fresh air valve is provided on the insulation box, the fresh air valve is connected to the cold air inlet of the waste heat recovery device, the cold air outlet of the waste heat recovery device is connected to the insulation box, the humid hot air inlet of the waste heat recovery device is connected to the insulation box, and a dehumidification device is provided on the top of the insulation box, and the dehumidification device is connected to the humid hot air outlet of the waste heat recovery device.

[0007] Specifically, the heating device is a natural gas burner, the top of the insulation box is connected to the interior of the room through an outlet pipe, an exhaust fan is provided in the room at the air outlet of the outlet pipe, a waste heat recovery device is provided in the insulation box, a fresh air valve is provided on the insulation box, the fresh air valve is connected to the cold air inlet of the waste heat recovery device, the cold air outlet of the waste heat recovery device is connected to the insulation box, the humid hot air inlet of the waste heat recovery device is connected to the insulation box, and a dehumidification device is provided on the top of the insulation box, and the dehumidification device is connected to the humid hot air outlet of the waste heat recovery device.

[0008] Specifically, the heating device is an electric heater, the top of the insulation box is connected to the interior of the room through an air outlet pipe, an exhaust fan is provided in the room at the air outlet of the air outlet pipe, a waste heat recovery device is provided in the insulation box, a fresh air valve is provided on the insulation box, the fresh air valve is connected to the cold air inlet of the waste heat recovery device, the cold air outlet of the waste heat recovery device is connected to the insulation box, the hot and humid air inlet of the waste heat recovery device is connected to the insulation box, and a dehumidification device is provided on the top of the insulation box, and the dehumidification device is connected to the hot and humid air outlet of the waste heat recovery device.

[0009] Specifically, the heating device is a steam heat exchanger, the top of the insulation box is connected to the interior of the room through an outlet pipe, an exhaust fan is provided in the room at the air outlet of the outlet pipe, a waste heat recovery device is provided in the insulation box, a fresh air valve is provided on the insulation box, the fresh air valve is connected to the cold air inlet of the waste heat recovery device, the cold air outlet of the waste heat recovery device is connected to the insulation box, the humid hot air inlet of the waste heat recovery device is connected to the insulation box, and a dehumidification device is provided on the top of the insulation box, and the dehumidification device is connected to the humid hot air outlet of the waste heat recovery device.

[0010] The utility model has the following advantages:

[0011] The utility model adopts an independent house body and heat source, and the heat source is an integrated structure. After the house body is built, the installation can be completed by directly placing the heat source at one end of the house body. The installation is convenient, the production cost can be reduced, and the adaptability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the drying room structure of Example 1;

[0013] Figure 2 This is a schematic diagram of the drying room structure of Example 2;

[0014] Figure 3 This is a schematic diagram of the drying room structure of Example 3;

[0015] Figure 4 This is a schematic diagram of the drying room structure of Example 4;

[0016] Figure 5 This is a schematic diagram of the drying room structure of Example 5;

[0017] In the figure: 1-room body, 2-insulation box body, 3-biomass combustion furnace, 4-smoke exhaust fan, 5-ash outlet, 6-fresh air valve, 7-dehumidification device, 8-exhaust fan, 9-air energy heat pump, 10-exhaust pipe, 11-waste heat recovery device, 12-natural gas burner, 13-electric heater, 14-steam heat exchanger, 15-drying car, 16-biomass feeding device. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including a..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] Embodiment 1

[0023] like Figure 1As shown, a top-and-bottom circulation drying room comprises a room body 1 and a heat source, wherein the heat source is arranged at one end of the room body 1, the heat source comprises an insulation box body 2 and a heating device, wherein the heating device is arranged in the insulation box body 2, a return air fan is arranged at the lower end of the insulation box body 2, and an exhaust fan 8 is arranged at the top of the room body 1. After the room body 1 is built, the heat source is directly placed at one end of the room body 1 to complete the installation, which is convenient to install. The drying cart with materials laid on it is placed in the room body 1, and then the heating device heats the air in the heat preservation box 2, and the heated hot air is blown into the room body 1 horizontally from the top of the room body 1 through the exhaust fan 8, and then a return air fan is arranged at the lower end of the heat preservation box 2, and the humid and hot air in the room body 1 is blown into the heat preservation box 2 through the return air fan for further heating, and the heated hot air is blown into the room body 1 through the exhaust fan 8, so that a circulation is formed, and the circulation mode is an up-and-down circulation, that is, the exhaust fan 8 blows horizontally from one end of the room body 1 to the other end of the room body 1 from the upper end of the room body 1. In this process, the hot air descends to dry the materials in the drying cart, and then the return air fan blows the humid and hot air at the bottom of the room body 1 into the heat preservation box 2, so that an up-and-down circulation is formed, so that the materials are dried evenly.

[0024] Furthermore, the heating device is a biomass combustion furnace 3, a smoke exhaust fan 4 is provided at the top of the biomass combustion furnace 3, an ash removal port 5 is provided at the bottom of the biomass combustion furnace 4, a fresh air valve 6 is provided on the thermal insulation box 2, a dehumidification device 7 is provided at the end of the top of the room 1 away from the heat source, and an exhaust fan 8 is provided at the upper end of the thermal insulation box 2. In this embodiment, the heating device adopts a biomass combustion furnace 3, and biomass is introduced into the biomass combustion furnace 3 through a biomass feeding device 16 for combustion, and then the air in the thermal insulation box 2 is heated. The fresh air valve 6 on the thermal insulation box 2 can introduce fresh air into the thermal insulation box 2 and mix it with the hot and humid air introduced into the thermal insulation box 2 by the return air fan, and then the mixed air is heated by the biomass combustion furnace 3, and the heated air is blown into the room 1 by the exhaust fan 8.

[0025] Embodiment 2

[0026] like Figure 2As shown, the heating device is an air energy heat pump 9, the top of the insulation box body 2 is connected to the interior of the room body 1 through the air outlet pipe 10, an exhaust fan 8 is arranged at the air outlet of the air outlet pipe 10 in the room body 1, a waste heat recovery device 11 is arranged in the insulation box body 2, a fresh air valve 6 is arranged on the insulation box body 2, the fresh air valve 6 is connected to the cold air inlet of the waste heat recovery device 11, the cold air outlet of the waste heat recovery device 11 is connected to the insulation box body 2, the humid hot air inlet of the waste heat recovery device 11 is connected to the insulation box body 2, and a dehumidification device 7 is arranged on the top of the insulation box body 2, and the dehumidification device 7 is connected to the humid hot air outlet of the waste heat recovery device 11. The heating device in this embodiment adopts an air energy heat pump 9, and the waste heat recovery device 11 has a cold air inlet, a cold air outlet, a humid hot air inlet and a humid hot air outlet. An aluminum foil is arranged in the waste heat recovery device 11 for heat exchange. Part of the humid hot air blown into the heat preservation box 2 by the return air fan enters the humid hot air inlet, and then the aluminum foil absorbs the heat of the hot air passed in. New air is passed into the waste heat recovery device 11 from the cold air inlet to exchange heat with the hot air entering the humid hot air inlet through the aluminum foil, so that the temperature of the new air is increased. The new air will not blend with the humid hot air in the waste heat recovery device 11. The new air after heat exchange is passed into the heat preservation box 2 through the cold air outlet. The temperature of the new air after heat exchange is increased, so that part of the humid hot air can be preheated and utilized. The humid hot air after heat exchange is discharged in the dehumidification device 7, and the remaining part of the humid hot air is mixed with the new air after heat exchange and heated by the air energy heat pump 9. The heated hot air is passed into the room body 1 through the outlet pipe 10 and is blown into the room body 1 by the exhaust fan 8.

[0027] Embodiment 3

[0028] like Figure 3As shown, the heating device is a natural gas burner 12, the top of the insulation box 2 is connected to the interior of the room 1 through the air outlet pipe 10, an exhaust fan 8 is provided at the air outlet of the air outlet pipe 10 in the room 1, a waste heat recovery device 11 is provided in the insulation box 2, a fresh air valve 6 is provided on the insulation box 2, the fresh air valve 6 is connected to the cold air inlet of the waste heat recovery device 11, the cold air outlet of the waste heat recovery device 11 is connected to the insulation box 2, the humid hot air inlet of the waste heat recovery device 11 is connected to the insulation box 2, and a dehumidification device 7 is provided on the top of the insulation box 2, and the dehumidification device 7 is connected to the humid hot air outlet of the waste heat recovery device 11. In this embodiment, the heating device adopts a natural gas burner 12, and the waste heat recovery device 11 has a cold air inlet, a cold air outlet, a humid hot air inlet and a humid hot air outlet. An aluminum foil is arranged in the waste heat recovery device 11 for heat exchange. Part of the humid hot air blown into the heat preservation box 2 by the return air fan enters the humid hot air inlet, and then the aluminum foil absorbs the heat of the hot air passed in. New air is passed into the waste heat recovery device 11 from the cold air inlet to exchange heat with the hot air entering the humid hot air inlet through the aluminum foil, so that the temperature of the new air is increased. The new air will not blend with the humid hot air in the waste heat recovery device 11. The new air after heat exchange is passed into the heat preservation box 2 through the cold air outlet. The temperature of the new air after heat exchange is increased, so that part of the humid hot air can be preheated and utilized. The humid hot air after heat exchange is discharged in the dehumidification device 7, and the remaining part of the humid hot air is mixed with the new air after heat exchange and heated by the natural gas burner 12. The heated hot air is passed into the room body 1 through the outlet pipe 10 and is blown into the room body 1 by the exhaust fan 8.

[0029] Embodiment 4:

[0030] like Figure 4As shown, the heating device is an electric heater 13, the top of the heat preservation box 2 is connected to the interior of the room 1 through the air outlet pipe 10, an exhaust fan 8 is provided at the air outlet of the air outlet pipe 10 in the room 1, a waste heat recovery device 11 is provided in the heat preservation box 2, a fresh air valve 6 is provided on the heat preservation box 2, the fresh air valve 6 is connected to the cold air inlet of the waste heat recovery device 11, the cold air outlet of the waste heat recovery device 11 is connected to the heat preservation box 2, the humid hot air inlet of the waste heat recovery device 11 is connected to the heat preservation box 2, and a dehumidification device 7 is provided on the top of the heat preservation box 2, and the dehumidification device 7 is connected to the humid hot air outlet of the waste heat recovery device 11. In this embodiment, the heating device adopts an electric heater 13, and the waste heat recovery device 11 has a cold air inlet, a cold air outlet, a humid hot air inlet and a humid hot air outlet. An aluminum foil is arranged in the waste heat recovery device 11 for heat exchange. Part of the humid hot air blown into the heat preservation box 2 by the return air fan enters the humid hot air inlet, and then the aluminum foil absorbs the heat of the hot air passed in. New air is passed into the waste heat recovery device 11 from the cold air inlet to exchange heat with the hot air entering the humid hot air inlet through the aluminum foil, so that the temperature of the new air is increased. The new air will not blend with the humid hot air in the waste heat recovery device 11. The new air after heat exchange is passed into the heat preservation box 2 through the cold air outlet. The temperature of the new air after heat exchange is increased, so that part of the humid hot air can be preheated and utilized. The humid hot air after heat exchange is discharged in the dehumidification device 7, and the remaining part of the humid hot air is mixed with the new air after heat exchange and heated by the electric heater 13. The heated hot air is passed into the room body 1 through the outlet pipe 10 and is blown into the room body 1 by the exhaust fan 8.

[0031] Embodiment 5

[0032] like Figure 5As shown, the heating device is a steam heat exchanger 14, the top of the heat preservation box 2 is connected to the interior of the room 1 through the air outlet pipe 10, an exhaust fan 8 is provided at the air outlet of the air outlet pipe 10 in the room 1, a waste heat recovery device 11 is provided in the heat preservation box 2, a fresh air valve 6 is provided on the heat preservation box 2, the fresh air valve 6 is connected to the cold air inlet of the waste heat recovery device 11, the cold air outlet of the waste heat recovery device 11 is connected to the heat preservation box 2, the humid hot air inlet of the waste heat recovery device 11 is connected to the heat preservation box 2, and a dehumidification device 7 is provided on the top of the heat preservation box 2, and the dehumidification device 7 is connected to the humid hot air outlet of the waste heat recovery device 11. In this embodiment, the heating device adopts a steam heat exchanger 14, and the waste heat recovery device 11 has a cold air inlet, a cold air outlet, a humid hot air inlet and a humid hot air outlet. An aluminum foil is arranged in the waste heat recovery device 11 for heat exchange. Part of the humid hot air blown into the heat preservation box 2 by the return air fan enters the humid hot air inlet, and then the aluminum foil absorbs the heat of the hot air passed in. New air is passed into the waste heat recovery device 11 from the cold air inlet to exchange heat with the hot air entering the humid hot air inlet through the aluminum foil, so that the temperature of the new air is increased. The new air will not blend with the humid hot air in the waste heat recovery device 11. The new air after heat exchange is passed into the heat preservation box 2 through the cold air outlet. The temperature of the new air after heat exchange is increased, so that part of the humid hot air can be preheated and utilized. The humid hot air after heat exchange is discharged in the dehumidification device 7, and the remaining part of the humid hot air is mixed with the new air after heat exchange and heated by the steam heat exchanger 14. The heated hot air is passed into the room body 1 through the outlet pipe 10 and is blown into the room body 1 by the exhaust fan 8.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. A vertical circulation drying room, characterized in that: The invention comprises a room body (1) and a heat source, wherein the heat source is arranged at one end of the room body (1), the heat source comprises a heat preservation box body (2) and a heating device, the heating device is arranged in the heat preservation box body (2), a return air fan is arranged at the lower end of the heat preservation box body (2), and an exhaust fan (8) is arranged at the top of the room body (1).

2. The up-and-down circulation drying room according to claim 1, characterized in that: The heating device is a biomass combustion furnace (3), a smoke exhaust fan (4) is arranged at the top of the biomass combustion furnace (3), an ash removal port (5) is arranged at the bottom of the biomass combustion furnace (3), a fresh air valve (6) is arranged on the heat preservation box (2), and a dehumidification device (7) is arranged at the end of the top of the room (1) away from the heat source.

3. The up-and-down circulation drying room according to claim 1, characterized in that: The heating device is an air energy heat pump (9); the top of the heat preservation box (2) is connected to the interior of the room (1) through an air outlet pipe (10); a waste heat recovery device (11) is arranged in the heat preservation box (2); a fresh air valve (6) is arranged on the heat preservation box (2); the fresh air valve (6) is connected to a cold air inlet of the waste heat recovery device (11); the cold air outlet of the waste heat recovery device (11) is connected to the heat preservation box (2); the humid hot air inlet of the waste heat recovery device (11) is connected to the heat preservation box (2); a dehumidification device (7) is arranged on the top of the heat preservation box (2); the dehumidification device (7) is connected to a humid hot air outlet of the waste heat recovery device (11).

4. The up-and-down circulation drying room according to claim 1, characterized in that: The heating device is a natural gas burner (12); the top of the heat-insulating box (2) is connected to the interior of the room (1) via an air outlet pipe (10); a waste heat recovery device (11) is arranged in the heat-insulating box (2); a fresh air valve (6) is arranged on the heat-insulating box (2); the fresh air valve (6) is connected to a cold air inlet of the waste heat recovery device (11); the cold air outlet of the waste heat recovery device (11) is connected to the heat-insulating box (2); the hot and humid air inlet of the waste heat recovery device (11) is connected to the heat-insulating box (2); a dehumidification device (7) is arranged on the top of the heat-insulating box (2); the dehumidification device (7) is connected to a hot and humid air outlet of the waste heat recovery device (11).

5. The up-and-down circulation drying room according to claim 1, characterized in that: The heating device is an electric heater (13); the top of the heat preservation box (2) is connected to the interior of the room (1) through an air outlet pipe (10); a waste heat recovery device (11) is arranged in the heat preservation box (2); a fresh air valve (6) is arranged on the heat preservation box (2); the fresh air valve (6) is connected to a cold air inlet of the waste heat recovery device (11); the cold air outlet of the waste heat recovery device (11) is connected to the heat preservation box (2); the hot and humid air inlet of the waste heat recovery device (11) is connected to the heat preservation box (2); a dehumidification device (7) is arranged on the top of the heat preservation box (2); the dehumidification device (7) is connected to a hot and humid air outlet of the waste heat recovery device (11).

6. The up-and-down circulation drying room according to claim 1, characterized in that: The heating device is a steam heat exchanger (14); the top of the heat-insulating box (2) is connected to the interior of the room (1) via an air outlet pipe (10); a waste heat recovery device (11) is arranged in the heat-insulating box (2); a fresh air valve (6) is arranged on the heat-insulating box (2); the fresh air valve (6) is connected to a cold air inlet of the waste heat recovery device (11); the cold air outlet of the waste heat recovery device (11) is connected to the heat-insulating box (2); the humid hot air inlet of the waste heat recovery device (11) is connected to the heat-insulating box (2); a dehumidification device (7) is arranged on the top of the heat-insulating box (2); the dehumidification device (7) is connected to a humid hot air outlet of the waste heat recovery device (11).

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