CN220892751U

CN220892751U - Explosion-proof vacuum oven

Info

Publication number: CN220892751U
Application number: CN202322710466.8U
Authority: CN
Inventors: 蔡春路
Original assignee: Nanjing Langxun Machinery Technology Co ltd
Current assignee: Nanjing Langxun Machinery Technology Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-03
Anticipated expiration: 2033-10-09

Abstract

The utility model belongs to the technical field of ovens, and particularly relates to an explosion-proof vacuum oven which comprises a drying assembly and a cooling assembly, wherein the drying assembly comprises an oven outer shell, an explosion-proof door, an inner shell, a vacuum pump, an exhaust pipe and a heating pipe, and the cooling assembly comprises a heat conducting plate, a cooling plate, a water tank, a water pump, a water suction pipe, a liquid inlet pipe, a heat exchanger, a liquid outlet pipe and a circulating pipe. When the cooling device is in operation, the explosion door is closed to seal the oven shell, the vacuum pump is started, the air suction pipe is used for exhausting air and dehumidifying the interior of the oven shell, the heating pipe is used for generating high-temperature heat to heat and dry materials, when the cooling device needs to cool down, the water pump is started to pump cooling liquid in the water tank, the cooling liquid is injected into the channel of the cooling plate through the liquid inlet pipe, the heat is transferred to the cooling plate through the heat conducting plate, the cooling liquid flows to take away the heat, the cooling liquid is discharged into the heat exchanger through the liquid outlet pipe, and the heat exchanger is used for cooling the cooling liquid and then is discharged into the water tank through the circulating pipe, so that the top of the oven shell is continuously cooled down in a circulating way, and the cooling speed is increased.

Description

Explosion-proof vacuum oven

Technical Field

The utility model relates to the technical field of ovens, in particular to an explosion-proof vacuum oven.

Background

The vacuum oven is a box type drying device for drying a drying material under a negative pressure condition, and is air-extracting and dehumidifying by utilizing a vacuum pump, so that a vacuum state is formed in a working chamber, the boiling point of water is reduced, the drying speed is accelerated, the vacuum oven is widely used in the food industry, has the advantages of small pollution and no damage to the internal quality of the dried material, and the explosion-proof vacuum oven can effectively avoid the excessive air pressure in the oven, thereby leading to the expansion explosion of the box body;

Chinese patent publication: CN202122995141.X discloses a new forms of energy vacuum oven, including the vacuum oven box, the cavity has been seted up to the inside of vacuum oven box, the front end position that leans on of the internal both sides of vacuum oven box is all fixedly connected with curb plate, logical groove has been seted up to the intermediate position of curb plate, the rear surface of curb plate is provided with holds in the palm the flitch, the locating hole has been seted up to the rear surface in the vacuum oven box, the rear surface that holds in the palm the flitch contacts with the inner wall of vacuum oven box. According to the new energy vacuum oven, through the design of the positioning holes, the inserting rods, the elastic pins, the movable blocks and the threaded adjusting rods, the device has the function of adjustable distance, so that a user can adjust the distance between the material supporting plates according to needs when using the device, and the user can conveniently place tools with different heights to process materials, so that the flexibility of the device in actual working is improved, convenience is brought to the user, and the practicability of the device is improved;

After the vacuum oven is heated and dried under negative pressure, the internal temperature is higher, and the heat dissipation time is too long only through the slow natural cooling speed, so that the production efficiency is greatly influenced; for this purpose, an explosion-proof vacuum oven is proposed.

Disclosure of utility model

The utility model aims to provide an explosion-proof vacuum oven for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the explosion-proof vacuum oven comprises a drying assembly and a cooling assembly, wherein the drying assembly comprises an oven outer shell, an explosion-proof door, an inner shell, a vacuum pump, an exhaust pipe and a heating pipe, and the cooling assembly comprises a heat conducting plate, a cooling plate, a water tank, a water pump, a water suction pipe, a liquid inlet pipe, a heat exchanger, a liquid outlet pipe and a circulating pipe;

The front surface of oven shell articulates there is the explosion vent, the inside wall of oven shell is equipped with the inner shell, the vacuum pump is installed to the right side wall of oven shell, the air inlet of vacuum pump with the intercommunication has the exhaust tube between the right side wall of oven shell, evenly distributed's heating pipe is installed to the inside wall both sides of inner shell, the last surface mounting of oven shell has the heat-conducting plate, the last fixed surface of heat-conducting plate is connected with the cooling plate, the water tank is installed to the left side wall of oven shell, the last surface mounting of water tank has the water pump, the pumping end of water pump with the intercommunication has the drinking-water pipe between the left side wall of water tank, the water outlet end of water pump with the intercommunication has the feed liquor pipe between the left side wall front side of cooling plate, the upper surface of water tank installs the heat exchanger, the upper surface of heat exchanger with the intercommunication has the drain pipe between the left side wall rear side of cooling plate, the left side wall of heat exchanger with the intercommunication has between the left side wall of water tank.

As a further preferred aspect of the present invention: the drying assembly further comprises a heat preservation layer, a supporting frame, a placing plate, a through hole, a filter, a visual window, a handle, a temperature sensor, a pressure sensor and a control panel, wherein the heat preservation layer is arranged between the outer side wall of the inner shell and the inner side wall of the oven shell.

As a further preferred aspect of the present invention: the inner side wall welding of inner shell has evenly distributed's support frame, the upper surface of support frame is inserted and is equipped with places the board, evenly distributed's through-hole is seted up to the upper surface of placing the board.

As a further preferred aspect of the present invention: the filter is installed to the inside wall of exhaust tube, visual window is installed to the inside wall of explosion-proof door, the front surface welding of explosion-proof door has the handle.

As a further preferred aspect of the present invention: the temperature sensor and the pressure sensor are installed on the left side of the inner side wall of the inner shell, and the control panel is installed on the front surface of the explosion door.

As a further preferred aspect of the present invention: the cooling assembly further comprises an exhaust pipe, an exhaust valve and cooling fins, wherein the right side wall of the oven outer shell is communicated with the exhaust pipe, the exhaust pipe penetrates through the right side wall of the inner shell and the heat preservation layer, and the exhaust valve is installed on the outer side wall of the exhaust pipe.

As a further preferred aspect of the present invention: and the upper surface of the cooling plate is fixedly connected with a cooling fin.

Compared with the prior art, the utility model has the beneficial effects that:

when the cooling device is in operation, the explosion door is closed to seal the oven shell, the vacuum pump is started, the air exhaust pipe is used for exhausting air and dehumidifying the oven shell, the heating pipe is used for generating high-temperature heat to heat and dry materials, when the cooling device needs to cool, the water pump is started to pump cooling liquid in the water tank, the cooling liquid is injected into the channel of the cooling plate through the liquid inlet pipe, the heat is transferred to the cooling plate through the heat conducting plate, the cooling liquid flows to take away the heat, the cooling liquid is discharged into the heat exchanger through the liquid outlet pipe, and the heat exchanger is used for cooling the cooling liquid and then is discharged into the water tank through the circulating pipe, so that the top of the oven shell is continuously cooled in a circulating way, the cooling speed is increased, the cooling time of the materials is short, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of a temperature sensor and a pressure sensor according to the present utility model;

FIG. 3 is an enlarged view of the structure of the area A of FIG. 2 in the present utility model;

FIG. 4 is a schematic view of the structure of a heat-conducting plate and a cooling plate according to the present utility model;

Fig. 5 is a schematic view showing the structure of the through-hole and the filter according to the present utility model.

In the figure: 10. a drying assembly; 11. an oven housing; 12. an explosion door; 13. an inner case; 14. a vacuum pump; 15. an exhaust pipe; 16. heating pipes; 17. a heat preservation layer; 18. a support frame; 19. placing a plate; 110. a through hole; 111. a filter; 112. a visual window; 113. a handle; 114. a temperature sensor; 115. a pressure sensor; 116. a control panel; 20. a cooling assembly; 21. a heat conductive plate; 22. a cooling plate; 23. a water tank; 24. a water pump; 25. a water pumping pipe; 26. a liquid inlet pipe; 27. a heat exchanger; 28. a liquid outlet pipe; 29. a circulation pipe; 210. an exhaust pipe; 211. an exhaust valve; 212. a heat sink.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: an explosion-proof vacuum oven comprises a drying assembly 10 and a cooling assembly 20, wherein the drying assembly 10 comprises an oven outer shell 11, an explosion-proof door 12, an inner shell 13, a vacuum pump 14, an exhaust pipe 15 and a heating pipe 16, and the cooling assembly 20 comprises a heat conducting plate 21, a cooling plate 22, a water tank 23, a water pump 24, a water suction pipe 25, a liquid inlet pipe 26, a heat exchanger 27, a liquid outlet pipe 28 and a circulating pipe 29;

The front surface of the oven shell 11 is hinged with an explosion door 12, the inner side wall of the oven shell 11 is provided with an inner shell 13, the right side wall of the oven shell 11 is provided with a vacuum pump 14, an air suction pipe 15 is communicated between the air inlet end of the vacuum pump 14 and the right side wall of the oven shell 11, heating pipes 16 which are uniformly distributed are arranged on two sides of the inner side wall of the inner shell 13, the upper surface of the oven shell 11 is provided with a heat conducting plate 21, the upper surface of the heat conducting plate 21 is fixedly connected with a cooling plate 22, the left side wall of the oven shell 11 is provided with a water tank 23, the upper surface of the water tank 23 is provided with a water pump 24, a water suction pipe 25 is communicated between the water suction end of the water pump 24 and the left side wall of the water tank 23, a liquid inlet pipe 26 is communicated between the water outlet end of the water pump 24 and the front side wall of the left side wall of the cooling plate 22, a heat exchanger 27 is arranged on the upper surface of the water tank 23 and the left side wall of the cooling plate 22 is communicated with a liquid outlet pipe 28, and a circulating pipe 29 is communicated between the left side wall of the heat exchanger 27 and the left side wall of the water tank 23; when the device is in operation, the explosion door 12 is closed to seal the oven shell 11, the vacuum pump 14 is started, the air suction and dehumidification are carried out in the oven shell 11 through the air suction pipe 15, the heating pipe 16 generates high-temperature heat to heat and dry materials, when the temperature needs to be reduced, the water pump 24 is started to pump cooling liquid in the water tank 23, the liquid inlet pipe 26 is filled into a channel of the cooling plate 22, the heat conducting plate 21 transfers heat to the cooling plate 22, the cooling liquid flows to take away the heat, the liquid outlet pipe 28 is discharged into the heat exchanger 27, the heat exchanger 27 is used for cooling the cooling liquid and then discharging the cooling liquid into the water tank 23 again through the circulating pipe 29, so that the top of the oven shell 11 is continuously cooled, the cooling speed is increased, the heat dissipation time of the materials is short, and the production efficiency is improved.

In this embodiment, specific: the drying assembly 10 further comprises a heat preservation layer 17, a supporting frame 18, a placing plate 19, a through hole 110, a filter 111, a visual window 112, a handle 113, a temperature sensor 114, a pressure sensor 115 and a control panel 116, wherein the heat preservation layer 17 is arranged between the outer side wall of the inner shell 13 and the inner side wall of the oven outer shell 11; the heat preservation layer 17 is made of heat preservation cotton board, and heat is prevented from diffusing outwards.

In this embodiment, specific: the inner side wall of the inner shell 13 is welded with a uniformly distributed supporting frame 18, a placing plate 19 is inserted on the upper surface of the supporting frame 18, and uniformly distributed through holes 110 are formed in the upper surface of the placing plate 19; the oven is divided into a plurality of layers through the supporting frame 18 and the placing plates 19, and the through holes 110 facilitate heat flow between the placing plates 19, so that the materials are heated uniformly.

In this embodiment, specific: a filter 111 is arranged on the inner side wall of the exhaust tube 15, a visual window 112 is arranged on the inner side wall of the explosion door 12, and a handle 113 is welded on the front surface of the explosion door 12; the filter 111 filters the gas to prevent the exhaust tube 15 from being blocked, the visual window 112 is convenient for a user to observe the internal work, the visual window 112 is made of toughened glass, a certain explosion-proof effect is achieved, and the handle 113 is convenient for the user to open the explosion-proof door 12.

In this embodiment, specific: a temperature sensor 114 and a pressure sensor 115 are arranged on the left side of the inner side wall of the inner shell 13, and a control panel 116 is arranged on the front surface of the explosion door 12; the signal output ends of the temperature sensor 114 and the pressure sensor 115 are electrically connected with the signal input end of the control panel 116 through wires, and the signal output end of the control panel 116 is electrically connected with the signal input ends of the vacuum pump 14, the heating pipe 16, the water pump 24, the heat exchanger 27 and the exhaust valve 211 through wires; the temperature inside the inner casing 13 is monitored by the temperature sensor 114, the pressure inside the inner casing 13 is monitored by the pressure sensor 115, and the control panel 116 controls the opening and closing of the vacuum pump 14, the heating pipe 16, the water pump 24, the heat exchanger 27, and the exhaust valve 211.

In this embodiment, specific: the cooling assembly 20 further comprises an exhaust pipe 210, an exhaust valve 211 and cooling fins 212, wherein the exhaust pipe 210 is communicated with the right side wall of the oven shell 11, the exhaust pipe 210 penetrates through the inner shell 13 and the right side wall of the heat preservation layer 17, and the exhaust valve 211 is arranged on the outer side wall of the exhaust pipe 210; the high temperature air pressure is discharged by controlling the discharge valve 211 to open the discharge pipe 210.

In this embodiment, specific: the upper surface of the cooling plate 22 is fixedly connected with a cooling fin 212; the heat sink 212 is made of copper, has good thermal conductivity, and is beneficial to heat dissipation of the cooling plate 22.

The working principle of the utility model is as follows: when the device works, the explosion door 12 is closed to seal the oven shell 11, the vacuum pump 14 is started, the air suction and dehumidification are carried out in the oven shell 11 through the air suction pipe 15, high-temperature heat is generated by the heating pipe 16 to heat and dry materials, when the temperature needs to be reduced, the exhaust valve 211 is opened through the control panel 116, high-temperature air is discharged through the exhaust pipe 210, the water pump 24 pumps cooling liquid in the water tank 23, the cooling liquid is injected into a channel of the cooling plate 22 through the liquid inlet pipe 26, the heat is transferred to the cooling plate 22 through the heat conducting plate 21, the cooling liquid flows to take away the heat, the liquid outlet pipe 28 is discharged into the heat exchanger 27, the heat exchanger 27 is used for cooling the cooling liquid and then is discharged into the water tank 23 again through the circulating pipe 29, so that the top of the oven shell 11 is continuously cooled circularly, the cooling speed is accelerated, the cooling time of the materials is short, and the production efficiency is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An explosion-proof vacuum oven, includes stoving subassembly (10) and cooling module (20), its characterized in that: the drying assembly (10) comprises an oven shell (11), an explosion-proof door (12), an inner shell (13), a vacuum pump (14), an exhaust pipe (15) and a heating pipe (16), and the cooling assembly (20) comprises a heat conducting plate (21), a cooling plate (22), a water tank (23), a water pump (24), a water pumping pipe (25), a liquid inlet pipe (26), a heat exchanger (27), a liquid outlet pipe (28) and a circulating pipe (29);

The utility model discloses a vacuum oven, including oven shell (11), vacuum pump (14), heating pipe (16) of evenly distributed are installed to the front surface of oven shell (11), explosion vent (12) are articulated to the front surface of oven shell (11), the inside wall of oven shell (11) is equipped with inner shell (13), vacuum pump (14) are installed to the right side wall of oven shell (11), the intercommunication has exhaust tube (15) between the right side wall of vacuum pump (14), heating pipe (16) of evenly distributed are installed to the inside wall both sides of inner shell (13), the upper surface mounting of oven shell (11) has heat-conducting plate (21), the upper surface fixedly connected with cooling plate (22) of heat-conducting plate (21), water tank (23) are installed to the left side wall of oven shell (11), the upper surface mounting of water tank (23) has water pump (24), the water pumping end of water pump (24) with the left side wall of water tank (23) between the intercommunication has water pumping pipe (25), the water outlet end of water pump (24) with the left side wall front side of cooling plate (22) is linked together there is inlet tube (26), the upper surface mounting of heat exchanger (27) on water tank (23), a circulating pipe (29) is communicated between the left side wall of the heat exchanger (27) and the left side wall of the water tank (23).

2. An explosion-proof vacuum oven according to claim 1, characterized in that: the drying assembly (10) further comprises an insulating layer (17), a supporting frame (18), a placing plate (19), a through hole (110), a filter (111), a visual window (112), a handle (113), a temperature sensor (114), a pressure sensor (115) and a control panel (116), wherein the insulating layer (17) is arranged between the outer side wall of the inner shell (13) and the inner side wall of the oven outer shell (11).

3. An explosion-proof vacuum oven according to claim 2, characterized in that: the inner side wall welding of inner shell (13) has evenly distributed's support frame (18), the upper surface of support frame (18) is inserted and is equipped with places board (19), the upper surface of placing board (19) is offered evenly distributed's through-hole (110).

4. An explosion-proof vacuum oven according to claim 2, characterized in that: the filter (111) is installed to the inside wall of exhaust tube (15), visual window (112) is installed to the inside wall of explosion-proof door (12), front surface welding of explosion-proof door (12) has handle (113).

5. An explosion-proof vacuum oven according to claim 2, characterized in that: a temperature sensor (114) and a pressure sensor (115) are arranged on the left side of the inner side wall of the inner shell (13), and a control panel (116) is arranged on the front surface of the explosion door (12).

6. An explosion-proof vacuum oven according to claim 1, characterized in that: the cooling assembly (20) further comprises an exhaust pipe (210), an exhaust valve (211) and cooling fins (212), the right side wall of the oven shell (11) is communicated with the exhaust pipe (210), the exhaust pipe (210) penetrates through the right side wall of the inner shell (13) and the heat preservation (17), and the exhaust valve (211) is installed on the outer side wall of the exhaust pipe (210).

7. An explosion-proof vacuum oven according to claim 6, wherein: the upper surface of the cooling plate (22) is fixedly connected with a cooling fin (212).