CN213873505U

CN213873505U - Heated air circulation oven with uniform heating

Info

Publication number: CN213873505U
Application number: CN202023052883.0U
Authority: CN
Inventors: 黄小勇; 黎亚平; 陈平停
Original assignee: Fujian Quanzhou Hengda Pharmaceutical Co ltd
Current assignee: Fujian Quanzhou Hengda Pharmaceutical Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-03
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a heated air circulation oven with uniform heating, which comprises an oven body, wherein the inner wall around the oven body is filled with a heat preservation layer; a box door is arranged on the outer wall of one side of the machine body; an exhaust fan is arranged on the inner wall of the top of the machine body, the output end of the exhaust fan is connected with a heating box through a guide pipe, and an air conveying opening is formed in the outer wall of the bottom of the heating box; more than four air transmission ports are arranged on the inner wall of one side of the machine body, and the inner parts of the air transmission ports are of an inclined structure; more than four air outlets are arranged on the outer wall of the other side of the machine body, and the interiors of the air outlets are of an inclined structure; the input of air exhauster is fixed with the funnel through the connecting pipe, and one side outer wall of funnel is provided with dry material board. The utility model discloses in the hot-blast air that heats carried to the organism from one side from bottom to top through the gas transmission mouth, with the material contact and to its thermal drying, the gas transmission mouth does not carry out direct contact with the material, guarantees the dry quality of material.

Description

Heated air circulation oven with uniform heating

Technical Field

The utility model relates to a drying equipment technical field especially relates to an even heated air circulation oven heats.

Background

The hot air circulation oven is suitable for baking objects to be baked in the process of processing chemical gases and foods, curing printing ink, drying paint films and the like, and is widely used for precise baking, drying, tempering, preheating, shaping and processing of electronics, communication, electroplated hardware chemical industry, pharmacy and the like. The air circulation system of the heated air circulation oven adopts a fan circulation air supply mode, an air source drives a wind wheel to pass through a heater by a circulation air supply motor, hot air is sent out and then flows to an inner chamber of the oven through an air duct, used air is sucked into the air duct to be recycled, heating and using are carried out, the heated air circulation is uniform and efficient, internal heat circulation is realized, and baked objects are uniformly heated. In the prior art, the hot air circulation oven has a single structure, has the problems of uneven heating and large heat loss, and has the defect of low hot air utilization rate.

Through search, the chinese patent application No. CN201920208668.3 discloses a hot air circulation oven, which comprises a control panel, an oven, a material returning device, a cyclone separator, a variable frequency circulating fan, a dehumidifier and a material discharging pipe, wherein the oven is provided with a feeding port and a material returning port, an air chamber is arranged below the oven, an air distribution device is arranged between the air chamber and the oven, the side of the air chamber is connected with a hot air passage, a heater and a hot air temperature sensor are arranged in the hot air passage, one end of the hot air passage away from the air chamber is connected with the variable frequency circulating fan, the variable frequency circulating fan is connected with the cyclone separator, the oven is connected with the cyclone separator through an exhaust pipe, the cyclone separator is connected with the material returning device through a material dropping pipe, the material returning device is connected with the material returning port, a material returning air pipe is arranged below the material returning device, the material returning air chamber is connected with the hot air passage through a material returning pipe, and the control panel is respectively connected with the variable frequency circulating fan, the material returning air chamber, The heater, the dehumidifier and the hot air temperature sensor are electrically connected. The hot air circulation oven in the above patent has the following disadvantages: the material falls into the oven inside, and the wind direction is from bottom to top, and the easy material in wind gap is plugged up, leads to inside stoving inhomogeneous, and the stoving effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heated air circulation oven with uniform heating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heated air circulation oven capable of heating uniformly comprises an oven body, wherein the inner wall of the periphery of the oven body is filled with a heat insulation layer; a box door is arranged on the outer wall of one side of the machine body; an exhaust fan is arranged on the inner wall of the top of the machine body, the output end of the exhaust fan is connected with a heating box through a guide pipe, and an air conveying opening is formed in the outer wall of the bottom of the heating box; more than four air transmission ports are arranged on the inner wall of one side of the machine body, and the inner parts of the air transmission ports are of an inclined structure; the outer wall of the other side of the machine body is provided with more than four air outlets, and the air outlets are internally in an inclined structure.

As a further aspect of the present invention: the input of air exhauster is fixed with the funnel through the connecting pipe, and one side outer wall of funnel is provided with dry material board.

As a further aspect of the present invention: the inner wall of one side of organism is provided with electronic slide rail, and the inner wall of electronic slide rail is provided with the branch, and the bottom outer wall of branch and the bottom inner wall of organism are provided with same folding baffle.

As a further aspect of the present invention: the outer wall of one side of organism is provided with the water conservancy diversion mouth, and the bottom inner wall of organism is provided with the collecting box, and one side inner wall of organism is provided with the collection liquid board.

As a further aspect of the present invention: the inner wall of one side of the machine body is provided with a gas-liquid separation plate, and the inner wall of one side of the machine body, which is far away from the gas-liquid separation plate, is provided with a waterproof breathable plate.

As a further aspect of the present invention: the inner wall of the heating box is provided with heating wires, and the inner wall around the heating box is provided with more than four through holes.

As a further aspect of the present invention: the inner wall of the heating box close to the through hole is provided with more than four guide plates.

Compared with the prior art, the utility model provides an even heated air circulation oven heats possesses following beneficial effect:

1. this even heated air circulation oven arranges the material in the organism, starts the air exhauster and pumps gas to the heating cabinet in heat treatment through the connecting pipe, and the hot-blast air that heats is carried to the organism from one side from bottom to top through the gas transmission mouth in, contacts and to its heated drying with the material, and the gas transmission mouth does not carry out direct contact with the material, guarantees the dry quality of material.

2. This heat even heated air circulation oven, the material heating in-process, the hydrone of incasement circulation a week and the contact of gas mixture upflow and gas-liquid separation board, gas is walked according to gas-liquid separation board structure cisoid, and the hydrone in the gas is because inertia upwards directly walks, can attach to on the gas-liquid separation board, along with the continuous increase of hydrone enlarges, receive centrifugal force to drip along the gas-liquid separation board, in the collection box falls through collection liquid board whereabouts, the later stage is derived through the water conservancy diversion mouth can, the hydrone in the effective separation gas, then it is dry that gas passes the dry material board, effectively reduce the hydrone composition in the gas, the improvement later stage drying efficiency.

3. This even heated air circulation oven heats according to the actual conditions that need dry material, starts electronic slide rail and drives folding baffle through the branch and upwards extend, and folding baffle extends the in-process from bottom to top, shelters from one row or multirow gas transmission mouth wherein, because the quantity of gas transmission mouth becomes less, so hot-blast can only export through limited gas transmission mouth to make the speed grow of hot-blast output.

Drawings

Fig. 1 is a schematic view of the overall structure of a heated air circulation oven with uniform heating provided by the present invention;

fig. 2 is a schematic view of a sectional structure of a heated air circulation oven with uniform heating according to the present invention;

fig. 3 is a schematic side view of a cross-sectional structure of a heated air circulation oven with uniform heating according to the present invention;

fig. 4 is a schematic view of a cross-sectional structure of a heating box of a hot air circulation oven with uniform heating according to the present invention;

fig. 5 is the utility model provides a gas-liquid separation plate structure sketch map of a heated air circulation oven that heats evenly.

In the figure: 1-machine body, 2-flow guide port, 3-box door, 4-funnel, 5-heat preservation layer, 6-exhaust fan, 7-heating box, 8-electric slide rail, 9-folding baffle, 10-collecting box, 11-air outlet, 12-gas-liquid separating plate, 13-waterproof ventilating plate, 14-drying material plate, 15-liquid collecting plate, 16-air conveying port, 17-electric heating wire, 18-guide plate and 19-through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A heated air circulation oven capable of heating materials uniformly comprises an oven body 1, wherein a heat insulation layer 5 is filled on the inner wall of the periphery of the oven body 1 as shown in figures 1-3; the outer wall of one side of the machine body 1 is connected with a box door 3 through a hinge; an exhaust fan 6 is fixed on the inner wall of the top of the machine body 1 through a bolt, the output end of the exhaust fan 6 is connected with a heating box 7 through a guide pipe, the outer wall of the bottom of the heating box 7 is fixed with an air delivery port through a bolt, the input end of the exhaust fan 6 is fixed with a funnel 4 through a connecting pipe, and a drying material plate 14 is welded on the outer wall of one side of the funnel 4; more than four air transmission ports 16 are formed in the inner wall of one side of the machine body 1, and the inner parts of the air transmission ports 16 are of an inclined structure; more than four air outlets 11 are arranged on the outer wall of the other side of the machine body 1, the air outlets 11 are internally in an inclined structure, the box door 3 is opened, materials are placed in the machine body 1, the exhaust fan 6 is started to pump the air into the heating box 7 through the connecting pipe for heating treatment, the heated hot air is conveyed into the equipment from one side to the top through the air conveying port 16, the air delivery port 16 is not in direct contact with the materials, the drying quality of the materials is ensured, and in the heating process of the materials, the air circulating in the box for a circle is pumped by the exhaust fan 6 and is output from the other side of the inner wall of the machine body 1 from top to bottom from the air outlet 11, the air passes through the drying material plate 14 for drying, the water molecule components in the air are effectively reduced, the later drying efficiency is improved, then pumped to an exhaust fan 6 through a connecting pipe and a funnel 4 and then enters a heating box 7 for heating, thereby completing the hot air circulation.

In order to adjust the wind speed conveniently, as shown in fig. 2, an electric slide rail 8 is arranged on the inner wall of one side of the machine body 1, a branch bar is connected to the inner wall of the electric slide rail 8 in a sliding mode through a slide block, the outer wall of the bottom of the branch bar and the inner wall of the bottom of the machine body 1 are fixedly provided with a folding baffle plate 9 through bolts, the electric slide rail 8 can be started to drive the folding baffle plate 9 to extend upwards through the branch bar according to the actual situation of materials to be dried, one or more rows of gas transmission ports 16 are shielded in the process that the folding baffle plate 9 extends from bottom to top, hot wind can only be output through the limited gas transmission ports 16 due to the fact that the number of the gas transmission ports 16 is reduced, and therefore the speed of hot wind output is increased.

In order to facilitate separation of water molecules in gas, as shown in fig. 1-3 and 5, a flow guide port 2 is fixed on an outer wall of one side of the machine body 1 through a bolt, a collection box 10 is fixed on an inner wall of the bottom of the machine body 1 through a bolt, a liquid collection plate 15 is fixed on an inner wall of one side of the machine body 1 through a bolt, a gas-liquid separation plate 12 is fixed on an inner wall of one side of the machine body 1 away from the gas-liquid separation plate 12 through a bolt, a waterproof ventilation plate 13 is fixed on an inner wall of one side of the machine body 1 through a bolt, an exhaust fan 6 is started to exhaust and send wind output from an air outlet 11, at the moment, heated water molecules are contained in the wind, the water molecules and a gas mixture flow upwards to be in contact with the gas-liquid separation plate 12, the gas flows away according to the structural trend of the gas-liquid separation plate 12, the water molecules in the gas directly move upwards due to inertia and can be attached to the gas-liquid separation plate 12 and drip along with the increasing of the water molecules under the action of centrifugal force, in the collection box 10 falls to the collection box through album liquid board 15, the later stage through the water conservancy diversion mouth 2 derive can, effectively separate the hydrone in the gas, improve later stage drying efficiency.

In order to ensure the uniformity of gas heating, as shown in fig. 2-4, the inner wall of the heating box 7 is filled with the heating wires 17, the inner wall around the heating box 7 is provided with more than four through holes 19, the inner wall of the heating box 7 close to the through holes 19 is fixed with more than four guide plates 18 through bolts, after the pumped gas enters the heating box 7, the heating wires 17 are electrically started, the heat heats the gas in the heating box 7 through the through holes 19, meanwhile, the gas flow is formed by continuous pumping of the exhaust fan 6, so the gas flow in the heating box 7 flows along the guide plates 18 in the heating box 7, the uniformity of gas heating is ensured, the heat is sufficient, and the gas flow is finally guided out in a smooth manner after circulating for one circle in the heating box 7.

The working principle is as follows: opening the box door 3, placing the material in the machine body 1, starting the exhaust fan 6 to pump the gas into the heating box 7 through the connecting pipe, electrifying the electric heating wire 17 for starting, heating the gas in the heating box 7 through the through hole 19, simultaneously, because the exhaust fan 6 continuously pumps to form gas flow, the gas flow in the heating box 7 flows through the plurality of guide plates 18 in the heating box 7, circulating for a circle in the heating box 7 and then is guided out along the trend, the heated hot air is conveyed into the equipment from one side to the top through the air conveying port 16, is contacted with the material and heats and dries the material, the air conveying port 16 is not directly contacted with the material, in the heating process of the material, the air circulating for a circle in the box is output from the air outlet 11 from the other side of the inner wall of the machine body 1 from the top to the bottom under the pumping action of the exhaust fan 6, the air contains heated water molecules, and the heated water molecules flow upwards with the gas mixture to be contacted with the gas-liquid separation plate 12, the gas moves along the structure of the gas-liquid separation plate 12, water molecules in the gas move upwards and directly along the gas-liquid separation plate 12 due to inertia, and the water molecules are expanded continuously, drop along the gas-liquid separation plate 12 under the action of centrifugal force, fall into the collection box 10 through the liquid collection plate 15, and are guided out through the flow guide port 2 in the later stage, then the air passes through a drying material plate 14 for further drying, is pumped to an exhaust fan 6 through a connecting pipe and a funnel 4 and then enters a heating box 7 for heating, thereby completing the hot air circulation, according to the actual condition of the materials to be dried, the electric slide rail 8 is started to drive the folding baffle 9 to extend upwards through the branch bars, in the process of extending the folding baffle 9 from bottom to top, the one or more rows of air delivery ports 16 are shielded, and because the number of the air delivery ports 16 is reduced, the hot air can be output only through the limited air delivery ports 16, so that the output speed of the hot air is increased.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heated air circulation oven capable of heating uniformly comprises an oven body (1) and is characterized in that the inner walls of the periphery of the oven body (1) are filled with heat insulation layers (5); a box door (3) is arranged on the outer wall of one side of the machine body (1); an exhaust fan (6) is arranged on the inner wall of the top of the machine body (1), the output end of the exhaust fan (6) is connected with a heating box (7) through a guide pipe, and an air conveying opening is formed in the outer wall of the bottom of the heating box (7); more than four air transmission ports (16) are formed in the inner wall of one side of the machine body (1), and the inner parts of the air transmission ports (16) are of inclined structures; the outer wall of the other side of the machine body (1) is provided with more than four air outlets (11), and the inside of each air outlet (11) is of an inclined structure.

2. The uniformly heated hot air circulation oven according to claim 1, wherein the funnel (4) is fixed at the input end of the exhaust fan (6) through a connecting pipe, and the outer wall of one side of the funnel (4) is provided with the drying material plate (14).

3. The uniformly-heated hot air circulation oven according to claim 1, wherein the inner wall of one side of the oven body (1) is provided with an electric slide rail (8), the inner wall of the electric slide rail (8) is provided with a branch bar, and the outer wall of the bottom of the branch bar and the inner wall of the bottom of the oven body (1) are provided with the same folding baffle (9).

4. The uniformly-heated hot air circulation oven according to claim 2, characterized in that the outer wall of one side of the oven body (1) is provided with a flow guide opening (2), the inner wall of the bottom of the oven body (1) is provided with a collecting box (10), and the inner wall of one side of the oven body (1) is provided with a liquid collecting plate (15).

5. The uniformly-heated hot air circulation oven according to claim 4, characterized in that the inner wall of one side of the machine body (1) is provided with a gas-liquid separation plate (12), and the inner wall of one side of the machine body (1) far away from the gas-liquid separation plate (12) is provided with a waterproof ventilation plate (13).

6. The uniformly-heated hot air circulation oven according to claim 3, characterized in that the inner wall of the heating box (7) is provided with heating wires (17), and the inner wall of the periphery of the heating box (7) is provided with more than four through holes (19).

7. A uniformly heated hot air circulating oven according to claim 6, characterised in that the inner walls of the heating box (7) close to the through holes (19) are provided with more than four guide plates (18).