CN210486303U

CN210486303U - High-efficient heated air circulation baking house

Info

Publication number: CN210486303U
Application number: CN201920989968.XU
Authority: CN
Inventors: 侯永亮; 李勇; 冯吉斌; 马雪琴
Original assignee: Chongqing Cqqj Equipment Co ltd
Current assignee: Chongqing Cqqj Equipment Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-08
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a high-efficiency heated air circulation drying room, which comprises a drying room frame, wherein an annular hot air channel which is communicated end to end is arranged in the drying room frame, an air heating device, a high-pressure circulating fan, a drying rack and a dehumidifying exhaust fan are sequentially arranged on the annular hot air channel from front to back, the air heating device, the high-pressure circulating fan and the dehumidifying exhaust fan are electrically connected with a central controller, the central controller is also electrically connected with a timer and a humidity inductor arranged in the annular hot air channel, the central controller is also provided with a motor positive and negative rotation control circuit, a gypsum mold to be dried is placed on the drying rack, the air heating device heats the air in the annular hot air channel, the high-pressure circulating fan automatically and periodically changes the running direction through the time set by the timer, the central controller and the motor positive and negative rotation control circuit, thereby realizing the automatic reversal of the hot air circulation direction, further improving the drying efficiency of the gypsum mould.

Description

High-efficient heated air circulation baking house

Technical Field

The utility model relates to the technical field of, especially, relate to a high-efficient heated air circulation baking house.

Background

Along with the sharp market competition of Chinese liquor, personalized liquor outer packages are more and more favored by production enterprises and consumers, the market demand of ceramic wine bottles with thick Chinese elements is more and more large, particularly, some liquor enterprises release single-bottle large-capacity customized liquor, 15L, 30L, 50L and other large-size ceramic containers contain liquor, and therefore the quantity of gypsum molds for producing the bottles is huge, and the gypsum molds absorb more water and are difficult to dry after grouting within the process times. The traditional hot air drying adopts the lower part arrangement air outlet pipe in the fixed drying of a closed drying room, and because the air pipe arrangement is intermittent and the hot air flow of the drying room is directional and uneven, the drying degree of the die is uneven, and the problems of long drying time, low drying efficiency, large drying energy consumption and the like exist. An efficient and rapid hot air drying system is required to improve the drying effect of the gypsum mold.

Therefore, the technical personnel in the field are dedicated to develop an efficient hot air circulation drying room which is efficient, fast and high in automation degree.

Disclosure of Invention

In view of the above-mentioned defects of the prior art, the utility model aims to solve the technical problem that a high-efficient heated air circulation baking house that high efficiency, swift and degree of automation are high is provided.

In order to achieve the purpose, the utility model provides a high-efficient heated air circulation baking house, including the baking house frame, be provided with the annular hot air channel of head and the tail intercommunication in the baking house frame, install air heating device, high pressure circulating fan, baking rack and dehumidification air exhauster by preceding after to in proper order on the annular hot air channel, air heating device, high pressure circulating fan and dehumidification air exhauster electricity are connected with central controller, central controller still electricity is connected with the time-recorder and installs humidity inductor in the annular hot air channel, central controller still is provided with the motor and just reverses control circuit.

The annular hot air channel is composed of U-shaped pipes at two ends and two ventilation pipes which are arranged between the two U-shaped pipes from top to bottom, and the baking rack is installed in the ventilation pipes.

The baking rack is also provided with a through vent hole.

The high-pressure circulating fans are provided with two ventilating pipes which are respectively and axially arranged in parallel.

The air heating device is a natural gas burner arranged on the drying room frame, and the natural gas burner is provided with a fire-jet hole extending into the annular hot air channel.

And a heat insulation board surrounding the outer side of the annular hot air channel is further arranged in the drying room frame.

The part of the drying room frame, which is right opposite to the baking rack, is hinged with a movable door.

The utility model has the advantages that: the high-efficiency heated air circulation drying room comprises a drying room frame, an annular hot air channel which is communicated end to end is arranged in the drying room frame, an air heating device, a high-pressure circulating fan, a drying rack and a dehumidifying exhaust fan are sequentially arranged on the annular hot air channel from front to back, the air heating device, the high-pressure circulating fan and the dehumidifying exhaust fan are electrically connected with a central controller, the central controller is also electrically connected with a timer and a humidity inductor arranged in the annular hot air channel, the central controller is also provided with a motor forward and reverse rotation control circuit, a gypsum mold to be dried is placed on the drying rack, the air heating device heats air in the annular hot air channel, the high-pressure circulating fan rotates to drive hot air to circularly flow so as to take away moisture in the gypsum mold to be dried, and the high-pressure circulating fan automatically and periodically changes the operation direction through the time set by the timer, the central controller and the motor forward and reverse rotation control circuit, thereby realizing the automatic reversal of the hot air circulation direction and further improving the drying efficiency of the gypsum mould.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a second schematic structural diagram of the present invention;

fig. 3 is a schematic circuit diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those 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 referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figures 1 to 3, a high-efficiency heated air circulation drying room comprises a drying room frame 1, an annular hot air channel 2 which is communicated end to end is arranged in the drying room frame 1, an air heating device 3, a high-pressure circulating fan 4, a drying rack 5 and a dehumidification exhaust fan 6 are sequentially arranged on the annular hot air channel 2 from front to back, the air heating device 3, the high-pressure circulating fan 4 and the dehumidification exhaust fan 6 are electrically connected with a central controller 7, the central controller 7 is also electrically connected with a timer and a humidity sensor 8 which is arranged in the annular hot air channel 2, the central controller 7 is also provided with a motor forward and reverse rotation control circuit, a gypsum mold to be dried is arranged on the drying rack 5, the air heating device 3 heats air in the annular hot air channel 2, the high-pressure circulating fan 4 rotates to drive hot air to circularly flow so as to take away moisture in the gypsum mold to be dried, and the high-pressure circulating fan 4 drives the hot air to, The time that central controller 7 and motor just reverse control circuit set for is automatic periodically alternate the traffic direction to realize the automatic reversal of heated air circulation direction, further improve the drying efficiency to the gypsum mould, when annular hot air channel 2's inside humidity reached the setting value, central controller 7 started dehumidification air exhauster 6, and the moisture on the gypsum mould is taken out to the external world through dehumidification air exhauster 6.

The annular hot air channel 2 is composed of U-shaped pipes 21 positioned at two ends and two ventilation pipes 22 which are positioned between the two U-shaped pipes 21 and are arranged up and down, and the baking rack 5 is arranged in the ventilation pipes 22. The high-pressure circulating fans 4 are provided with two high-pressure circulating fans which are respectively and axially arranged in one end of the two ventilation pipes 22 side by side, the high-pressure circulating fans 4 are controlled to rotate forwards and backwards through a motor forward and reverse rotation control circuit by the central controller 7, and when hot air is required to circulate forwards, one high-pressure circulating fan 4 rotates forwards, and the other high-pressure circulating fan 4 rotates backwards. The baking rack 5 is also provided with a through vent hole 51, so that the ventilation area of the baking rack 5 is enlarged, and the drying efficiency of the gypsum mold is further improved.

The dehumidification drawing fan 6 is installed beside one of the U-shaped pipes 21, the pipe wall of the U-shaped pipe 21 at the position is provided with a moisture overflow hole 23 which penetrates through the pipe wall, and the suction opening of the dehumidification drawing fan 6 is communicated with the moisture overflow hole 23, so that moisture is conveniently drawn to the outside.

The air heating device 3 has various modes such as electric heating, open fire heating, etc., and in this embodiment, the air heating device 3 is a natural gas burner installed on the drying room frame 1, and the natural gas burner is provided with a fire ejecting port 31 penetrating into the annular hot air passage 2.

Still install in baking house frame 1 and surround the thermal-insulated heated board 11 in the annular hot air channel 2 outside, it is effectual to keep warm, improves the drying efficiency of gypsum mould.

The part of the drying room frame 1, which is right opposite to the baking rack 5, is hinged with a movable door 12, which is convenient to open and close and has good sealing effect.

The utility model discloses a theory of operation does: after the gypsum mold after slurry absorption takes out the ceramic bottle blank, the gypsum mold is stored on the baking frame 5 and is placed into the ventilation pipe 22, the locking movable door 12 is closed, the natural gas burner is ignited, the high-pressure circulating fan 4 is started to force the air to be filled in the whole annular hot air channel 2 and flow rapidly, and the dry hot air with the required temperature is formed by heating the combustion flame of the natural gas burner, so that the circulating flow of hot air in the annular hot air channel 2 is realized, and the moisture in the gypsum mold is blown out. Meanwhile, the high-pressure circulating fan 4 automatically and periodically changes the running direction through the time set by the timer, the central controller 7 and the motor forward and backward rotation control circuit, so that the automatic reversal of the hot air circulating direction is realized, the drying efficiency of the gypsum mold is further improved, and the method is a common technology for forward and backward rotation of the motor. When the internal humidity of the annular hot air channel 2 reaches a set value, the central controller 7 starts the dehumidification exhaust fan 6, and the moisture on the gypsum mold is extracted to the outside through the dehumidification exhaust fan 6.

The utility model discloses can improve gypsum mold's drying rate and drying effect greatly, very big reduction the energy consumption. The conventional hot air drying room dries the gypsum mold with the same specification under the same temperature condition, and the drying time of the gypsum mold is shortened to 22 hours by using the efficient hot air circulation drying room, so that the energy consumption is reduced while the drying effect is greatly improved, and the moisture content of the gypsum mold is about 40 hours from 30% to 5%.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a high-efficient heated air circulation baking house, includes baking house frame (1), characterized by: be provided with annular hot air channel (2) of head and the tail intercommunication in baking house frame (1), install air heating device (3), high-pressure circulating fan (4), griddle (5) and dehumidification air exhauster (6) after to by preceding in proper order on annular hot air channel (2), air heating device (3), high-pressure circulating fan (4) and dehumidification air exhauster (6) electricity are connected with central controller (7), central controller (7) still electricity is connected with the time-recorder and installs humidity inductor (8) in annular hot air channel (2), central controller (7) still are provided with control the motor just reversing control circuit of high-pressure circulating fan (4) just reversing.

2. The high-efficiency hot air circulation drying room as claimed in claim 1, which is characterized in that: the annular hot air channel (2) is composed of U-shaped pipes (21) positioned at two ends and two ventilation pipes (22) which are positioned between the two U-shaped pipes (21) and are arranged up and down, and the baking rack (5) is arranged in the ventilation pipes (22).

3. The high-efficiency hot air circulation drying room as claimed in claim 2, which is characterized in that: the baking rack (5) is also provided with a through vent hole (51).

4. The high-efficiency hot air circulation drying room as claimed in claim 2, which is characterized in that: the high-pressure circulating fans (4) are arranged in two and are respectively and axially arranged in parallel inside one end of the two ventilation pipes (22).

5. The high-efficiency hot air circulation drying room as claimed in claim 4, which is characterized in that: the motor positive and negative rotation control circuits are provided with two groups and are respectively and electrically connected in series with the high-pressure circulating fan (4).

6. The high-efficiency hot air circulation drying room as claimed in claim 1, which is characterized in that: the air heating device (3) is a natural gas burner arranged on the drying room frame (1), and the natural gas burner is provided with a fire jet (31) which extends into the annular hot air channel (2).

7. The high-efficiency hot air circulation drying room as claimed in claim 1, which is characterized in that: and a heat insulation board (11) which surrounds the outer side of the annular hot air channel (2) is further installed in the drying room frame (1).

8. The high-efficiency hot air circulation drying room as claimed in claim 1, which is characterized in that: the part of the drying room frame (1) opposite to the baking frame (5) is hinged with a movable door (12).