Hot air drying device with small flow resistance

Abstract

The utility model discloses a hot air drying device with small flow resistance. The hot air drying device comprises supporting legs; the heat preservation box is assembled at the tops of the supporting legs and is used for preventing dust; the air inlet assembly is assembled on the heat preservation box; fresh air enters the device through a fresh air pipe, the flow of the fresh air is adjusted through a second electromagnetic control valve, and the fresh air enters the heat preservation box after being filtered through a second filtering sleeve. Meanwhile, the fan sucks air from the air inlet cover and sends the air to the heater through the connecting pipeline, the heater heats the air into hot air, and then the hot air is sent into the heat preservation box through the air outlet pipe to dry the materials. In the drying process, part of hot air is exhausted through the exhaust pipe, and the first electromagnetic control valve adjusts the exhaust air rate so as to maintain the temperature and humidity balance in the equipment. And one side of the filter sleeve filters the discharged hot air, so that the environment is prevented from being polluted. In the whole process, the controller is responsible for coordinating work of all the assemblies, and efficient operation of the device is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying device technical field, more specifically, the utility model relates to a hot -air drying device with small flow resistance. BACKGROUND

[0002] Drying device is a kind of equipment for removing water or other volatile components in material, is widely used in food, chemical, pharmaceutical, textile, printing and other industries.Its basic principle is to evaporate the water on the surface of material by heating air or other medium, so as to achieve the purpose of drying.

[0003] Through searching, the existing patent (publication number: CN209893634U) discloses a hot air machine, which improves heating effect and heating efficiency, and improves practicability;Including shell, fan cover and frequency conversion motor, the inside of shell is provided with placing cavity, and multiple groups of radiating fins are vertically arranged in the placing cavity, the top end of shell is provided with air inlet, and dust screen is arranged at air inlet, the top and bottom of left end of shell are respectively provided with water inlet pipe and second return water pipe, the top and bottom of right end of shell are respectively provided with water outlet pipe and first return water pipe, multiple groups of first radiating pipes are communicated between water inlet pipe and water outlet pipe, multiple groups of second radiating pipes are communicated between first return water pipe and second return water pipe, the top end of fan cover is communicated with the bottom end of shell, and wind wheel is rotatably arranged in fan cover, frequency conversion motor is installed at the left end of fan cover, blowing opening is arranged at the bottom of front end of fan cover, and filter screen is arranged at blowing opening.

[0004] But the above-mentioned device cannot adjust the air inlet and air outlet volume in time in the use process, which is not conducive to the drying of materials with special requirements for air volume. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of prior art, the utility model provides a hot air drying device with small flow resistance to solve the problem of unable to adjust air volume in time.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a hot air drying device with small flow resistance, comprising: support leg;The heat preservation box assembled on the top of the support leg, the heat preservation box is used for dust prevention;Air inlet assembly assembled on the heat preservation box, the air inlet assembly is used for inputting air source;Heating assembly assembled on the heat preservation box, the heating assembly is used for heating the input air source;Exhaust assembly and fresh air assembly assembled on the heat preservation box, the exhaust assembly and fresh air assembly are used for controlling air volume.

[0007] Preferably, the air inlet assembly comprises: a mounting plate fixedly installed inside the heat preservation box, a fan fixedly installed on the mounting plate, an air inlet cover fixedly installed on one side of the fan, the air inlet cover fixedly adjusted on the heat preservation box, a communication pipe fixedly installed on the bottom of the air inlet cover, and a filter portion assembled on one side of the air inlet cover.

[0008] Preferably, the filter portion comprises: a filter pipe fixedly installed on one side of the air inlet cover, a filter screen layer fixedly installed inside the filter pipe, a molecular sieve layer detachably installed on one side of the filter screen layer, and a dehumidification layer detachably installed on one side of the molecular sieve layer.

[0009] Preferably, the heating assembly comprises: a connecting pipe fixedly installed on the air outlet of the fan, an air outlet pipe fixedly installed on one end of the connecting pipe, the air outlet pipe fixedly sleeved on the heat preservation box, a heater fixedly installed on the outer surface of the connecting pipe, and a controller fixedly installed inside the heat preservation box.

[0010] Preferably, the air outlet assembly comprises: an air outlet pipe fixedly installed on one side of the heat preservation box, an electromagnetic control valve one fixedly installed on the air outlet pipe, and a filter sleeve one detachably installed on one side of the air outlet pipe.

[0011] Preferably, the fresh air assembly comprises: a fresh air pipe fixedly installed on one side of the heat preservation box, an electromagnetic control valve two fixedly installed on the fresh air pipe, and a filter sleeve two detachably installed on one side of the fresh air pipe.

[0012] Preferably, the electromagnetic control valve one and the electromagnetic control valve two are electrically connected with the controller.

[0013] Preferably, a heat preservation plate is installed on the inner side of the heat preservation box, so as to reduce heat dissipation during heating.

[0014] Compared with the prior art, the device has the following beneficial effects:

[0015] In the device, external air enters the device through the fresh air pipe, the electromagnetic control valve two adjusts the flow of fresh air, and the fresh air enters the heat preservation box after being filtered by the filter sleeve two. At the same time, the fan sucks air from the air inlet cover, sends the air to the heater through the connecting pipe, heats the air into hot air by the heater, and then sends the hot air into the heat preservation box through the air outlet pipe to dry the materials. During the drying process, part of the hot air is discharged through the air outlet pipe, and the electromagnetic control valve one adjusts the air outlet volume to maintain the balance of temperature and humidity inside the device. The filter sleeve one filters the discharged hot air to prevent environmental pollution. During the whole process, the controller is responsible for coordinating the work of each component to ensure efficient operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The whole structure schematic view of the utility model;

[0017] Figure 2 The air intake assembly structure schematic view of the utility model;

[0018] Figure 3 The filter part structure schematic view of the utility model;

[0019] Figure 4 The heating assembly structure schematic view of the utility model;

[0020] Figure 5 The exhaust assembly structure schematic view of the utility model;

[0021] Figure 6 The fresh air assembly structure schematic view of the utility model.

[0022] [Reference signs]

[0023] 1, support foot;2, heat preservation box;3, air intake assembly;4, heating assembly;5, exhaust assembly;6, fresh air assembly;301, mounting plate;302, fan;303, air inlet cover;304, communication pipe;305, filter part;306, filter pipeline;307, filter screen layer;308, molecular sieve selection layer;309, dehumidification layer;401, connecting pipeline;402, air outlet pipe;403, heater;404, controller;501, exhaust pipe;502, electromagnetic control valve one;503, filter sleeve one;601, fresh air pipe;602, electromagnetic control valve two;603, filter sleeve two. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model. Embodiment

[0025] The preferred embodiment of the hot air drying device with smaller flow resistance provided by the utility model comprises Figures 1 to 6 As shown in the figure: including: support foot 1;The heat preservation box 2 is assembled on the top of the support foot 1, and the heat preservation box 2 is used for dust prevention;Air intake assembly 3 is assembled on the heat preservation box 2, and the air intake assembly 3 is used for inputting wind source;Heating assembly 4 is assembled on the heat preservation box 2, and the heating assembly 4 is used for heating the input wind source;Exhaust assembly 5 and fresh air assembly 6 are assembled on the heat preservation box 2, and the exhaust assembly 5 and fresh air assembly 6 are used for controlling the air volume.

[0026] In this embodiment, the air inlet assembly 3 comprises: a mounting plate 301 fixedly installed inside the heat preservation box 2, a fan 302 fixedly installed on the mounting plate 301, an air inlet cover 303 fixedly installed on one side of the fan 302, the air inlet cover 303 being fixedly adjusted on the heat preservation box 2, a communication pipe 304 fixedly installed at the bottom of the air inlet cover 303, and a filtering part 305 assembled on one side of the air inlet cover 303.

[0027] In this embodiment, the filtering part 305 comprises: a filtering pipe 306 fixedly installed on one side of the air inlet cover 303, a filter screen layer 307 fixedly installed inside the filtering pipe 306, a molecular sieve layer 308 detachably installed on one side of the filter screen layer 307, and a dehumidification layer 309 detachably installed on one side of the molecular sieve layer 308.

[0028] When the drying device is used, first, external air enters the inside of the device through the air inlet cover 303, passes through the filtering pipe 306 of the filtering part 305, wherein the filter screen layer 307 filters out larger particles, then the molecular sieve layer 308 further screens out smaller particles, and finally the dehumidification layer 309 removes moisture in the air, so as to ensure that the air entering the device is clean and dry. Embodiment

[0029] On the basis of the first embodiment, the preferred embodiment of the hot air drying device with small flow resistance provided by the utility model has the advantages that Figures 1 to 6 As shown in the figure, the heating assembly 4 comprises: a connecting pipe 401 fixedly installed at the air outlet of the fan 302, an air outlet pipe 402 fixedly installed at one end of the connecting pipe 401, the air outlet pipe 402 being fixedly sleeved on the heat preservation box 2, a heater 403 fixedly installed on the outer surface of the connecting pipe 401, and a controller 404 fixedly installed inside the heat preservation box 2.

[0030] In this embodiment, the air exhaust assembly 5 comprises: an air exhaust pipe 501 fixedly installed on one side of the heat preservation box 2, an electromagnetic control valve one 502 fixedly installed on the air exhaust pipe 501, and a filtering sleeve one 503 detachably installed on one side of the air exhaust pipe 501.

[0031] In this embodiment, the fresh air assembly 6 comprises: a fresh air pipe 601 fixedly installed on one side of the heat preservation box 2, an electromagnetic control valve two 602 fixedly installed on the fresh air pipe 601, and a filtering sleeve two 603 detachably installed on one side of the fresh air pipe 601.

[0032] In use of the hot air drying device, firstly, outside air enters the device through the fresh air pipe 601, the electromagnetic control valve two 602 adjusts the flow of fresh air, and the fresh air enters the inside of the heat preservation box 2 after being filtered by the filter sleeve two 603. At the same time, the air fan 302 sucks air from the air inlet cover 303, sends the air to the heater 403 through the connecting pipe 401, the heater 403 heats the air into hot air, and then sends the hot air into the heat preservation box 2 through the air outlet pipe 402 to dry the materials. During the drying process, part of the hot air is discharged through the exhaust pipe 501, the electromagnetic control valve one 502 adjusts the exhaust volume to maintain the balance of temperature and humidity inside the device. The filter sleeve one 503 filters the discharged hot air to prevent environmental pollution. During the whole process, the controller 404 is responsible for coordinating the work of each component to ensure the efficient operation of the device.

[0033] In the embodiment, the electromagnetic control valve one 502 and the electromagnetic control valve two 602 are electrically connected with the controller 404.

[0034] In the embodiment, the inside of the heat preservation box 2 is provided with heat preservation plates for reducing heat dissipation during heating.

[0035] Finally, it should be pointed out that: firstly, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0036] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0037] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hot air drying device with low flow resistance, characterized in that, The utility model relates to a kind of air heating device, including: Supporting leg (1); Heat preservation box (2) is assembled on the top of the supporting leg (1), the heat preservation box (2) is used to prevent dust; Air inlet assembly (3) is assembled on the heat preservation box (2), the air inlet assembly (3) is used to input wind source; Heating assembly (4) is assembled on the heat preservation box (2), the heating assembly (4) is used to heat the input wind source; Exhaust assembly (5) and fresh air assembly (6) are assembled on the heat preservation box (2), the exhaust assembly (5) and fresh air assembly (6) are used to control air volume.

2. A hot air drying apparatus having a low flow resistance according to claim 1, wherein The air inlet assembly (3) includes: Mounting plate (301) is fixedly installed in the inside of the heat preservation box (2), the fan (302) is fixedly installed on the mounting plate (301), the air inlet cover (303) is fixedly installed on one side of the fan (302), the air inlet cover (303) is fixedly adjusted on the heat preservation box (2), the communication pipe (304) is fixedly installed on the bottom of the air inlet cover (303), the filter part (305) is assembled on one side of the air inlet cover (303).

3. A hot air drying apparatus of claim 2, wherein The filter part (305) includes: Filter duct (306) is fixedly installed on one side of the air inlet cover (303), the filter screen layer (307) is fixedly installed in the inside of the filter duct (306), the molecular sieve layer (308) is detachably installed on one side of the filter screen layer (307), the dehumidification layer (309) is detachably installed on one side of the molecular sieve layer (308).

4. A hot air drying apparatus of claim 3, wherein The heating assembly (4) includes: The connecting duct (401) is fixedly installed on the air outlet of the fan (302), the air outlet pipe (402) is fixedly installed on one end of the connecting duct (401), the air outlet pipe (402) is fixedly sleeved on the heat preservation box (2), the heater (403) is fixedly installed on the outer surface of the connecting duct (401), the controller (404) is fixedly installed in the inside of the heat preservation box (2).

5. A hot air drying apparatus of claim 4, wherein The exhaust assembly (5) includes: The exhaust pipe (501) is fixedly installed on one side of the heat preservation box (2), the electromagnetic control valve one (502) is fixedly installed on the exhaust pipe (501), the filter sleeve one (503) is detachably installed on one side of the exhaust pipe (501).

6. A hot air drying apparatus of claim 5, wherein The fresh air assembly (6) includes: The fresh air pipe (601) is fixedly installed on one side of the heat preservation box (2), the electromagnetic control valve two (602) is fixedly installed on the fresh air pipe (601), the filter sleeve two (603) is detachably installed on one side of the fresh air pipe (601).

7. A hot air drying apparatus of claim 6, wherein The electromagnetic control valve one (502) and electromagnetic control valve two (602) are electrically connected with the controller (404).

8. A hot air drying apparatus of claim 1, wherein The inside of the heat preservation box (2) is mounted with heat preservation plate, for reducing the dissipation of heat when heating.

Images