CN221764135U

CN221764135U - Two-chamber full-automatic dryer hot air device

Info

Publication number: CN221764135U
Application number: CN202420354658.1U
Authority: CN
Inventors: 樊世友; 李廷中; 杨晨; 郑中乃
Original assignee: Anhui Longma Automation Technology Co ltd
Current assignee: Anhui Longma Automation Technology Co ltd
Filing date: 2024-02-26
Publication date: 2024-09-24
Anticipated expiration: 2034-02-26

Abstract

The utility model discloses a hot air device of a two-chamber full-automatic dryer, which comprises: the air inlet channel is arranged in the ventilation equipment, the ventilation equipment is communicated with the rear end of the air inlet channel, the ventilation equipment comprises a centrifugal fan for conveying gas, the centrifugal fan is arranged in the air inlet channel, and the electric heating equipment comprises two PTC heaters for heating air; this full-automatic drying-machine hot air device of two rooms replaces traditional hot air device that uses natural gas or steam etc. as heating medium through the PTC heater, has not only saved auxiliary equipment such as heating tube, has reduced equipment input cost, has avoided traditional heating tube fragile, the easy dry combustion method's problem, and the PTC heater is direct with the air contact heating of entering, the first casing that has thermal-insulated function of heat preservation of cooperation again, heating efficiency is high moreover.

Description

Two-chamber full-automatic dryer hot air device

Technical Field

The utility model relates to the technical field of hot air devices, in particular to a hot air device of a two-chamber full-automatic dryer.

Background

In industry, the hot air device is an industrial heat source commonly used in industry and consists of three parts of ventilation equipment, heating equipment and a control circuit, wherein the heating equipment mainly uses natural gas, steam and the like as heating media, and generally needs to be matched with various accessory equipment such as heating pipes and the like for accessory use;

In summary, it is known that a hot air device mainly using natural gas, steam, or the like as a heating medium has a large number of auxiliary devices, high input cost, and low heating efficiency because air needs to be indirectly heated by using a medium such as natural gas or steam.

Disclosure of utility model

The utility model aims to solve the problems of high input cost and low heating efficiency of an industrial hot air device in the prior art, and provides a hot air device of a two-chamber full-automatic dryer.

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

two room full-automatic drying-machine hot air device includes:

The main body of the shell is internally provided with an air inlet channel, and an anti-dry burning rack is arranged in the air inlet channel;

the ventilation equipment is communicated with the rear end of the air inlet channel and comprises a centrifugal fan for conveying gas;

The electric heating device is arranged in the air inlet channel and comprises two PTC heaters used for heating air, the dry burning prevention frame is arranged on the periphery of the PTC heaters, and four sliding grooves used for guiding the two PTC heaters to be fast clamped are arranged in the dry burning prevention frame.

Preferably, the casing body is composed of a first casing and a second casing, the first casing is fixedly installed on the left side of the second casing, and the air inlet channel is arranged in the first casing.

Preferably, the left end and the right end of the air inlet channel are respectively provided with an air inlet and an air outlet, the upper end of the air inlet channel is provided with a first mounting opening, and the first mounting opening is provided with a heating cover plate.

Preferably, the PTC heater is disposed below the first mounting opening, the PTC heater comprises two support side plates and a support bottom plate which are symmetrical to each other, the support bottom plate is vertically mounted at the lower ends of the two support side plates, the support side plates are fixedly connected with the first housing, the four sliding grooves are respectively formed in the inner side end faces of the two support side plates, a connecting plate is connected between the upper ends of the two support side plates, and the two PTC heaters are respectively slidably mounted in the four sliding grooves.

Preferably, a round hole is formed in the left end of the cavity in the second shell, a second mounting opening is formed in the upper end of the cavity in the second shell, a fan cover plate is mounted in the second mounting opening, the centrifugal fan is mounted on the inner wall of the cavity of the second shell, a flange connecting pipe is connected to an air inlet of the centrifugal fan, and the other end of the flange connecting pipe penetrates through the round hole and the air inlet channel to be mutually communicated.

Preferably, a plate filter is arranged in the air inlet

Compared with the prior art, the utility model provides a hot air device of a two-chamber full-automatic dryer, which has the following beneficial effects:

1. This full-automatic drying-machine hot air device of two rooms replaces traditional hot air device that uses natural gas or steam etc. as heating medium through the PTC heater, has not only saved auxiliary equipment such as heating tube, has reduced equipment input cost, has avoided traditional heating tube fragile, the easy dry combustion method's problem, and the PTC heater is direct with the air contact heating of entering, the first casing that has thermal-insulated function of heat preservation of cooperation again, heating efficiency is high moreover.

2. This full-automatic drying-machine hot air device of two rooms installs two PTC heaters in the centre of air inlet channel through preventing dry combustion method frame, does not contact with first shells inner wall to through the thermal-insulated membrane on the first shells inner wall, avoid high temperature to pass through first shells, have the advantage of preventing dry combustion method and avoid the conflagration, and by the spout in preventing dry combustion method frame, the PTC heater of being convenient for removes dismantles or installs along the spout of both sides.

Drawings

FIG. 1 is a schematic diagram of a hot air device of a two-chamber fully automatic dryer according to the present utility model;

FIG. 2 is an exploded view of a hot air device of a two-compartment fully automatic dryer according to the present utility model;

fig. 3 is a schematic diagram of a first housing structure of a hot air device of a two-chamber full-automatic dryer according to the present utility model.

In the figure: 1. a first housing; 11. heating the cover plate; 12. a panel filter; 13. a first mounting port; 14. an air inlet; 15. a PTC heater; 16. supporting the side plates; 17. a chute; 18. a support base plate; 19. a connecting plate;

2. A second housing; 21. a fan cover plate; 22. a round hole; 23. a second mounting port; 24. a centrifugal fan; 25. the flange is connected.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 3, a two-chamber full-automatic dryer hot air device comprises a casing main body, wherein the casing main body is composed of a first casing 1 and a second casing 2, the first casing 1 is fixedly arranged at the left side of the second casing 2 through screw threads, the first casing 1 is an air inlet end of the application, and is matched with a plate filter 12 and electric heating equipment which are complemented below to clean and heat the inlet air;

In summary, it can be seen that the electric energy consumed by the electric heating device can be reduced by reducing the heat dissipation of the first housing 1, so that the first housing 1 in the present application needs to have good heat insulation and heat preservation capability, specifically, an outer alloy plate with high mechanical strength is specifically selected as the outer side wall of the first housing 1, a heat preservation plate for heat preservation and a heat insulation film for heat insulation are sequentially and fixedly attached to the inner wall of the outer side wall alloy plate, an inner alloy plate with high thermal conductivity is attached to the inner wall of the heat preservation plate, the inner alloy plate has the function of protecting the inner wall of the heat insulation film, the high thermal conductivity of the inner alloy plate also has the function of uniformly dispersing the heat in the inner cavity of the air inlet channel, the air inlet channel is provided with an air inlet 14 and an air outlet at the left end and the right end of the air inlet channel, the air inlet 14 and the air outlet are located in the same line and correspond to each other, the upper end of the air inlet channel is provided with a first mounting opening 13, and the first mounting opening 13 is arranged right above the electric heating device, namely, and the first mounting opening 13 is provided with a heating cover plate 11 for facilitating the later installation or replacement of the electric heating device.

In this embodiment, the plate filter 12 is installed in the air inlet 14, the plate filter 12 is used for filtering impurities in the air, the air inlet channel is internally provided with the electric heating device, the electric heating device is mainly used for heating the air, compared with a hot air device using natural gas, steam and the like as heating media in the prior art, the electric heating device has fewer auxiliary devices, can directly heat the air, and comprises two PTC heaters 15 for heating the air, and the PTC heaters 15 in the application can be replaced by other electric heating devices in the prior art.

In this embodiment, the periphery of the PTC heaters 15 is provided with a dry-heating prevention frame, which is mainly used for installing the two PTC heaters 15 in the middle of the air inlet channel, not in contact with the inner wall of the first housing 1, and passing through the heat insulation film on the inner wall of the first housing 1, so as to directly dry-heat, having the advantages of dry-heating prevention and fire hazard avoidance, and the PTC heaters 15 block the central connection line portion of the air inlet 14 and the air outlet, and the entering air passes through the upper, lower, left and right sides of the two PTC heaters 15, thereby increasing the air heating stroke, the PTC heaters 15 are arranged below the installation opening one 13, the PTC heaters 15 comprise two mutually symmetrical support side plates 16 and support bottom plates 18, the supporting side plates 16 and the supporting bottom plate 18 are made of high-heat-conductivity alloy, and are mainly used for rapidly diffusing heat generated by the PTC heater 15 to an air inlet channel outwards, and radiating fins can be fixedly attached to the outer side end surfaces of the supporting side plates 16 and the supporting bottom plate 18 and used for increasing the contact area between the outer side end surfaces of the supporting side plates 16 and the supporting bottom plate 18 and air, so that the heating efficiency of the PTC heater 15 is improved, the PTC heater 15 can be directly and dry-burned, the supporting bottom plate 18 is vertically and fixedly arranged at the lower ends of the two supporting side plates 16, and the supporting side plates 16 are fixedly connected with the first shell 1;

The inner side end surfaces of the two support side plates 16 are respectively provided with two parallel sliding grooves 17, the sliding grooves 17 are matched with the two sides of the PTC heater 15, the furthest distance between the two sliding grooves 17 on the same vertical plane is the same as the width of the PTC heater 15, namely, the two sides of the PTC heater 15 can vertically and downwardly slide and clamp between the two sliding grooves 17 on the same vertical plane, a connecting plate 19 is fixedly connected between the upper ends of the two support side plates 16, the distance between the connecting plate 19 and the support bottom plate 18 is the same as the height of the PTC heater 15, the connecting plate 19 deviates from the position below the first 13 of the mounting opening, firstly, the connecting plate is used for connecting the two support bottom plates 18, secondly, the comparison is carried out, the assistance is carried out, the manual judgment is carried out on whether the PTC heater 15 is contacted with the support bottom plate 18, thirdly, the upper ends of the PTC heater 15 are pressed by the bolt connection limiting plates in the later stage, and the two PTC heaters 15 are respectively and slidably installed in the four sliding grooves 17;

according to the application, the PTC heater 15 replaces a traditional hot air device using natural gas or steam and the like as heating media, and auxiliary equipment such as a heating pipe and the like is omitted, so that the equipment input cost is reduced, the problem that the traditional heating pipe is easy to damage and dry heat is avoided, and the PTC heater is movably clamped through the sliding grooves 17 at two sides, so that the installation is more convenient.

In this embodiment, the rear end of the air inlet channel is provided with ventilation equipment in a communicating manner, the ventilation equipment comprises a centrifugal fan 24 for conveying gas, the centrifugal fan 24 in the application can be replaced by other ventilation equipment in the prior art, the centrifugal fan 24 and the PTC heater 15 are connected with an external power supply through wires, the left end of a cavity in the second housing 2 is provided with a round hole 22, the round hole 22 is the air inlet end of the second housing 2, and the upper end of the cavity in the second housing 2 is provided with a second mounting opening 23;

The internal dimension of the second installation opening 23 is greater than the dimension of the centrifugal fan 24, the centrifugal fan 24 is convenient to install and maintain through the second installation opening 23, the fan cover plate 21 is fixedly installed on the inner wall of the second installation opening 23 through bolts, the centrifugal fan 24 is fixedly installed on the inner wall of the cavity of the second shell 2 through bolts, a flange connecting pipe 25 is connected to an air inlet of the centrifugal fan 24 through bolts, the other end of the flange connecting pipe 25 is communicated with an air inlet channel through a round hole 22, and a sealing gasket is connected between the flange connecting pipe 25 and the inner wall of the round hole 22 in an extrusion mode.

The operation process of the hot air device of the two-chamber full-automatic dryer is as follows: outside air is sucked by the centrifugal fan 24 through the plate filter 12 in the air inlet 14, and after being filtered by the plate filter 12, the sucked air is ensured to be clean, the sucked air directly collides against the PTC heaters 15 in the middle of the air inlet channel, then passes through the upper, lower, left and right sides of the two PTC heaters 15, is heated by the two PTC heaters 15 generating high temperature, and then is sent into the machine from the air outlet of the centrifugal fan 24 through the flange connecting pipe 25 for drying a workpiece.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Two room full-automatic drying-machine hot air device, its characterized in that includes:

The ventilation device is communicated with the rear end of the air inlet channel and comprises a centrifugal fan (24) for conveying gas;

The electric heating device is arranged in the air inlet channel and comprises two PTC heaters (15) used for directly heating air, the dry burning prevention frame is arranged on the periphery of the PTC heaters (15), and four sliding grooves (17) used for guiding the two PTC heaters (15) to be fast clamped are arranged in the dry burning prevention frame.

2. The two-compartment full-automatic dryer hot air device according to claim 1, wherein the casing body is composed of a first casing (1) and a second casing (2), the first casing (1) is fixedly installed on the left side of the second casing (2), and the air inlet channel is arranged in the first casing (1).

3. The hot air device of a two-chamber full-automatic dryer according to claim 2, wherein an air inlet (14) and an air outlet are respectively arranged at the left end and the right end of the air inlet channel, a first mounting opening (13) is arranged at the upper end of the air inlet channel, and a heating cover plate (11) is arranged on the first mounting opening (13).

4. The two-chamber full-automatic dryer hot air device according to claim 3, wherein the PTC heater (15) is disposed below the first mounting opening (13), the PTC heater (15) comprises two mutually symmetrical support side plates (16) and a support bottom plate (18), the support bottom plate (18) is vertically mounted at the lower ends of the two support side plates (16), the support side plates (16) are fixedly connected with the first housing (1), four sliding grooves (17) are respectively disposed on the inner side end surfaces of the two support side plates (16), a connecting plate (19) is connected between the upper ends of the two support side plates (16), and the two PTC heaters (15) are respectively slidably mounted in the four sliding grooves (17).

5. The two-chamber full-automatic dryer hot air device according to claim 2, wherein a round hole (22) is formed in the left end of a cavity in the second housing (2), a second mounting opening (23) is formed in the upper end of the cavity in the second housing (2), a fan cover plate (21) is mounted in the second mounting opening (23), a centrifugal fan (24) is mounted on the inner wall of the cavity of the second housing (2), a flange connecting pipe (25) is connected to an air inlet of the centrifugal fan (24), and the other end of the flange connecting pipe (25) penetrates through the round hole (22) and the air inlet channel to be mutually communicated.

6. A two-compartment fully automatic dryer hot air device according to claim 3, characterized in that a panel filter (12) is installed in the air inlet (14).