CN220288136U - Large-pipe-diameter microwave tube type reaction furnace - Google Patents
Large-pipe-diameter microwave tube type reaction furnace Download PDFInfo
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- CN220288136U CN220288136U CN202321003579.8U CN202321003579U CN220288136U CN 220288136 U CN220288136 U CN 220288136U CN 202321003579 U CN202321003579 U CN 202321003579U CN 220288136 U CN220288136 U CN 220288136U
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- 238000005192 partition Methods 0.000 claims abstract description 11
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- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
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- 238000009434 installation Methods 0.000 abstract description 11
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 3
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- 238000000926 separation method Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
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- 238000012544 monitoring process Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a large-pipe diameter microwave tube type reaction furnace, and relates to the technical field of microwave reaction equipment. The periphery of a frame of the reaction furnace is covered with door plates, the lower part of the frame is provided with a partition plate, and the partition plate divides the reaction furnace into an upper box body and a lower box body; a microwave reaction cavity is arranged in the upper box body, the bottom of the microwave reaction cavity is fixed on the partition plate through a supporting base, a microwave generator and an infrared temperature measuring device are arranged on the outer side wall of the microwave reaction cavity, and a thermocouple is obliquely inserted at one end of the microwave reaction cavity; the lower box body is internally provided with a transformer and a vacuum pump, the transformer is electrically connected with the microwave generator, and the vacuum pump is connected with the microwave reaction cavity through a pipeline. The horizontal installation of the microwave reaction cavity is realized through the support base, and the lifting of the microwave reaction cavity is realized through the arrangement of the frame and the door plate, so that the device is not limited by the existing horizontal insertion type installation, and the large-pipe-diameter arrangement of the microwave reaction cavity is realized.
Description
Technical Field
The utility model relates to the technical field of microwave reaction equipment, in particular to a large-pipe-diameter microwave tube type reaction furnace.
Background
The diameter of a tube body used in a heating system of a horizontal type furnace in the existing microwave tube type furnace is generally smaller than 100mm, the tube body is in an insertion installation mode, insertion installation is limited by the diameter and the quality of the tube body, and when the diameter exceeds a certain size and quality, transverse insertion installation is difficult, which is also the reason that the diameter of the tube body in the horizontal type microwave tube type furnace is generally smaller. However, the horizontal furnace has the advantages of more uniform material placement and more remarkable heating effect, particularly for larger-volume materials, the small-diameter horizontal furnace needs to be processed in batches, and the efficiency is low, so that development of a large-diameter microwave tube type reaction furnace, particularly a horizontal furnace, is needed to meet the requirement of one-time reaction of the larger-volume materials.
Disclosure of Invention
The utility model aims to provide a large-pipe-diameter microwave tube type reaction furnace, which solves the problems that the prior horizontal furnace is limited by insertion and installation, so that the pipe diameter is small, and the reaction requirement of materials with larger volume cannot be met.
In order to solve the technical problems, the utility model adopts the following technical scheme: a large-pipe diameter microwave tube type reaction furnace is characterized in that: the device comprises a frame, wherein door plates are covered on the periphery of the frame, a partition plate is arranged at the lower part of the frame, and the partition plate divides the reaction furnace into an upper box body and a lower box body; a microwave reaction cavity is arranged in the upper box body, the bottom of the microwave reaction cavity is fixed on the partition plate through a supporting base, a microwave generator and an infrared temperature measuring device are arranged on the outer side wall of the microwave reaction cavity, and a thermocouple is obliquely inserted at one end of the microwave reaction cavity; a transformer and a vacuum pump are arranged in the lower box body, the transformer is electrically connected with the microwave generator, and the vacuum pump is connected with the microwave reaction cavity through a pipeline; the microwave generator, the infrared temperature measuring device, the thermocouple, the transformer and the vacuum pump are all connected with the control cabinet through signals.
The microwave reaction cavity comprises a cavity, a supporting base is arranged at the bottom of the cavity, a cavity barrel is coaxially arranged in the cavity, a heat insulation layer is filled between the cavity and the cavity barrel, and furnace doors are hinged at two ends of the cavity; the furnace chamber is provided with a material containing pipe, and the microwave generator is uniformly distributed along the radial direction of the furnace chamber.
The further technical proposal is that both ends of the furnace chamber are provided with flange plates, one side of the furnace door is hinged with the outer side wall of the furnace chamber, and the furnace door is covered on the flange plates and is fixed by a locking device.
Still further technical scheme is that locking device includes C type mount, and C type mount one end articulates on the flange board, is provided with fastening screw on the C type mount other end, and fastening screw one end cross-under has rotatory horizontal pole, and rotatory horizontal pole rotates and drives fastening screw other end roof pressure on the furnace gate.
The further technical scheme is that the surface of the furnace door is inwards concave to form a hemispherical groove, the end part of the fastening screw is provided with a spherical positioning part, and the spherical positioning part is matched with the groove.
The further technical scheme is that an air inlet is arranged on one of the furnace doors, the air inlet is connected with an air supply device through a control valve, and an air pressure gauge is arranged above the air inlet; the other furnace door is provided with an air outlet, the air outlet is connected with a vacuum pump through a control valve and a pipeline, a positioning pipe is obliquely arranged above the air outlet, a thermocouple is inserted in the positioning pipe in a sealing way, the tail end of the thermocouple is inserted in a material containing pipe, and the material containing pipe is a corundum pipe with an opening at the upper part.
The door plate comprises a plate body formed by bending and encircling a sheet metal part, a hollow shell with an opening at one side of the plate body, a positioning column arranged at the bottom of the plate body, and a positioning hole arranged at the top of the plate body, wherein the positioning column is matched with the positioning hole; the plate body is provided with a door lock mounting hole, and an insulating layer is stuck inside the plate body.
The further technical proposal is that the furnace door is provided with an observation window.
Working principle: when the furnace is used, the furnace door is opened, the reaction materials are placed in the material containing pipe, the furnace door is closed, and the furnace door and the furnace cavity are locked by the locking device. Starting the reaction furnace through a control cabinet, vacuumizing the furnace cavity by a vacuum pump, and introducing protective gas or oxidizing gas from an air inlet after the air pressure of the cavity meets the requirement; starting a transformer, regulating the transformer and providing electric energy for a microwave generator, wherein the microwave generator heats the reaction materials of the material containing pipe in the furnace chamber through microwaves. The reaction state is observed through the observation window, the temperature in the furnace chamber is obtained through infrared temperature measurement, the surface temperature of the reaction material is obtained through the thermocouple, and the reaction state and the change of the temperature field are monitored in real time according to the measures.
Compared with the prior art, the utility model has the beneficial effects that:
1. the horizontal installation of the microwave reaction cavity is realized through the support base, and the lifting of the microwave reaction cavity is realized through the arrangement of the frame and the door plate, so that the device is not limited by the existing horizontal insertion type installation, and the large-pipe-diameter arrangement of the microwave reaction cavity is realized.
2. The temperature in the microwave reaction cavity is measured through the practice of the infrared temperature measuring device, and the measurement of the surface temperature of the material is realized through the obliquely inserted thermocouple, so that the temperature field in the microwave reaction cavity is monitored more comprehensively, and the condition of inaccurate temperature monitoring after the pipe diameter is enlarged is avoided.
3. The furnace door is locked by the locking device, and the C-shaped fixing frame is hinged, so that the use is convenient; and the spherical positioning part is matched with the groove, so that the fastening is firmer.
Drawings
Fig. 1 is a schematic side view of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the present utility model.
FIG. 3 is a schematic diagram of the front structure of a microwave reaction chamber according to the present utility model.
FIG. 4 is a schematic side view of a microwave reaction chamber according to the present utility model.
FIG. 5 is a schematic view showing the internal structure of a microwave reaction chamber according to the present utility model.
Fig. 6 is a schematic structural view of the locking device of the present utility model.
Fig. 7 is a schematic structural view of a door panel according to the present utility model.
In the figure: the device comprises a 1-frame, a 2-partition plate, a 3-door plate, a 301-plate body, a 302-positioning column, a 303-door lock mounting hole, a 4-microwave reaction cavity, a 401-furnace cavity, a 402-furnace door, a 403-air inlet, a 404-air outlet, a 405-positioning tube, a 406-observation window, a 5-supporting base, a 6-microwave generator, a 7-infrared temperature measuring device, an 8-thermocouple, a 9-material containing tube, a 10-locking device, a 101-C-shaped fixing frame, a 102-fastening screw, a 103-rotating cross rod and an 11-barometer.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Fig. 1 and 2 show a large-pipe-diameter microwave tube type reaction furnace, which comprises a frame 1, wherein the frame 1 is formed by surrounding a stand column, a cross beam, a longitudinal beam and a bottom plate, and door plates 3 are covered on the periphery of the frame 1 for convenient installation, disassembly and maintenance. As shown in fig. 7, the door panel 3 includes a plate body 301 formed by bending and surrounding a sheet metal part, the plate body 301 is a hollow shell with one side open, a positioning column 302 extends outwards from the bottom of the plate body 301, a positioning hole is formed in the top of the plate body 301, and the positioning column 302 is adapted to the positioning hole. The plate 301 is provided with a door lock mounting hole 303, and an insulating layer is stuck inside the plate 301. When the door lock is installed, the door lock is installed in the door lock installation hole 303, the positioning column 302 is inserted into the positioning hole, and then the door lock is rotated to lock the door panel 3 on the upright post. The positioning holes are also arranged on the bottom plates of the separation plate 2 and the frame 1. After the internal parts are installed, the door plate 3 is covered again, and the installation of the reaction furnace can be completed. For convenient movement, the bottom of the frame 1 is provided with a roller, and the top is provided with a lifting lug.
A separation plate 2 is arranged at the lower part of the frame 1, and the separation plate 2 divides the reaction furnace into an upper box body and a lower box body; a microwave reaction cavity 4 is arranged in the upper box body, the bottom of the microwave reaction cavity 4 is fixed on the partition plate 2 through a supporting base 5, a microwave generator 6 and an infrared temperature measuring device 7 are arranged on the outer side wall of the microwave reaction cavity 4, and a thermocouple 8 is obliquely inserted at one end of the microwave reaction cavity 4; a transformer and a vacuum pump are arranged in the lower box body, the transformer is electrically connected with the microwave generator 6, and the vacuum pump is connected with the microwave reaction cavity 4 through a pipeline; the microwave generator, the infrared temperature measuring device 7, the thermocouple 8, the transformer and the vacuum pump are all connected with a control cabinet through signals. The control cabinet is generally arranged outside the reaction furnace box body independently and is installed and used independently.
As shown in fig. 3-5, the microwave reaction chamber 4 includes a furnace cavity 401, a supporting base 5 is disposed at the bottom of the furnace cavity 401, a furnace cavity barrel is coaxially disposed in the furnace cavity 401, an insulation layer is filled between the furnace cavity 401 and the furnace cavity barrel, and furnace doors 402 are hinged at two ends of the furnace cavity 401; the furnace chamber is provided with a material containing pipe 9, the microwave generator 6 is uniformly distributed along the radial direction of the furnace chamber 401, the microwave generator can be arranged in layers according to the needs, and the furnace chamber 401 and the furnace chamber are correspondingly provided with wave feeding holes. One of the oven doors 402 is provided with an air inlet 403, the air inlet 403 is connected with an air supply device through a control valve, and an air pressure gauge 11 is arranged above the air inlet 403; the other furnace door 402 is provided with an air outlet 404, the air outlet 404 is connected with a vacuum pump through a control valve and a pipeline, a positioning pipe 405 is obliquely arranged above the air outlet 404, a thermocouple 8 is inserted in the positioning pipe 405 in a sealing way, the tail end of the thermocouple 8 is inserted in a material containing pipe 9, and the material containing pipe 9 is a corundum pipe with an upper opening. To facilitate monitoring the reaction process, the oven door 402 is provided with an observation window 406.
To facilitate the opening and closing of the oven door, flange plates are extended outwards at two ends of the oven cavity 14, one side of the oven door 402 is hinged to the outer side wall of the oven cavity 401, and the oven door 402 is covered on the flange plates and is fixed by the locking device 10. As shown in fig. 6, the locking device 10 includes a C-shaped fixing frame 101, one end of the C-shaped fixing frame 101 is hinged to the flange plate, a fastening screw 102 is disposed at the other end of the C-shaped fixing frame 101, one end of the fastening screw 102 is connected with a rotary cross rod 103 in a penetrating manner, and the rotary cross rod 103 rotates to drive the other end of the fastening screw 102 to press against the oven door 402. The end part of the C-shaped fixing frame 101 is provided with a fixing plate which is arranged oppositely, a through hole is formed in the fixing plate, a fixing column is arranged on the flange plate, a shaft hole is formed in the fixing column, and a rotating shaft is inserted into the through hole and the shaft hole to realize the hinging of the C-shaped fixing frame 101 and the flange plate. In order to make the locking more firm, the surface of the oven door 402 is concave inwards to form a hemispherical groove, and the end of the fastening screw 102 is provided with a spherical positioning part which is matched with the groove. When the oven is used, the C-shaped fixing frame 101 is turned over, the free end of the C-shaped fixing frame 101 is parallel to the surface of the oven door 402, the rotary cross rod 103 is rotated, the fastening screw 102 moves downwards until the spherical positioning part is in close contact with the groove, and the oven door 402 is tightly pressed on the flange plate of the oven cavity 14. When the oven door 402 needs to be opened, the rotary cross bar 103 is reversely rotated, the fastening screw 102 is far away from the oven door 402, the C-shaped fixing frame 101 is turned over again, and the oven door 402 is opened. In order to make the fastening reliable, the locking device 10 is distributed uniformly in a plurality along the radial direction of the oven door 402. For convenient operation, the door panel 3 at the position of the door 402 is provided with a relief hole, so that the door 402 is positioned outside the door panel 3.
When the reaction furnace is used, the furnace door 402 on one side is firstly opened, reaction materials are placed into the material containing pipe 9, the furnace door 402 is closed, and the furnace door 402 and the furnace chamber 401 are locked by the locking device 10. Starting the reaction furnace through a control cabinet, vacuumizing the furnace cavity 401 by a vacuum pump, and introducing protective gas or oxidizing gas from the gas inlet 403 after the air pressure of the cavity meets the requirement; the transformer is started, the transformer regulates and supplies electric energy to the microwave generator 6, and the microwave generator 6 heats the reaction materials of the material containing pipe 9 in the furnace cavity 401 through microwaves. The air pressure state in the furnace cavity 401 is observed through the air pressure meter 11, the reaction state is observed through the observation window 406, the temperature in the furnace cavity is obtained through infrared temperature measurement, the surface temperature of the reaction materials is obtained through the thermocouple 8, and the reaction state and the change of the temperature field are monitored in real time according to the measures. After the reaction is completed, the furnace door 402 is opened, and the reacted materials in the material containing pipe 9 are taken out. When the maintenance is needed, the door plate 3 at the corresponding position is detached.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements within the scope of the disclosure, drawings and claims of the present application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (8)
1. A large-pipe diameter microwave tube type reaction furnace is characterized in that: the reaction furnace comprises a frame (1), wherein door plates (3) are covered on the periphery of the frame (1), a partition plate (2) is arranged at the lower part of the frame (1), and the partition plate (2) divides the reaction furnace into an upper box body and a lower box body; a microwave reaction cavity (4) is arranged in the upper box body, the bottom of the microwave reaction cavity (4) is fixed on the partition plate (2) through a supporting base (5), a microwave generator (6) and an infrared temperature measuring device (7) are arranged on the outer side wall of the microwave reaction cavity (4), and a thermocouple (8) is obliquely inserted at one end of the microwave reaction cavity (4); a transformer and a vacuum pump are arranged in the lower box body, the transformer is electrically connected with the microwave generator (6), and the vacuum pump is connected with the microwave reaction cavity (4) through a pipeline; the microwave generator (6), the infrared temperature measuring device (7), the thermocouple (8), the transformer and the vacuum pump are all connected with the control cabinet through signals.
2. The large-diameter microwave tube reactor according to claim 1, wherein: the microwave reaction cavity (4) comprises a furnace cavity (401), a supporting base (5) is arranged at the bottom of the furnace cavity (401), a furnace cavity cylinder is coaxially arranged in the furnace cavity (401), an insulating layer is filled between the furnace cavity (401) and the furnace cavity cylinder, and furnace doors (402) are hinged at two ends of the furnace cavity (401); the furnace chamber is provided with a material containing pipe (9), and a plurality of microwave generators (6) are uniformly distributed along the radial direction of the furnace chamber body (401).
3. A large diameter microwave tube reactor as defined in claim 2, wherein: the two ends of the furnace cavity (401) are respectively provided with a flange plate, one side of the furnace door (402) is hinged with the outer side wall of the furnace cavity (401), and the furnace door (402) is covered on the flange plates and is fixed through the locking device (10).
4. A large diameter microwave tube reactor as defined in claim 3, wherein: the locking device (10) comprises a C-shaped fixing frame (101), one end of the C-shaped fixing frame (101) is hinged to the flange plate, a fastening screw (102) is arranged at the other end of the C-shaped fixing frame (101), one end of the fastening screw (102) is connected with a rotary cross rod (103) in a penetrating mode, and the rotary cross rod (103) rotates to drive the other end of the fastening screw (102) to be pressed against the furnace door (402).
5. The large-diameter microwave tube reactor according to claim 4, wherein: the surface of the furnace door (402) is inwards concave to form a hemispherical groove, the end part of the fastening screw (102) is provided with a spherical positioning part, and the spherical positioning part is matched with the groove.
6. A large diameter microwave tube reactor as defined in claim 2, wherein: an air inlet (403) is formed in one of the furnace doors (402), the air inlet (403) is connected with the air supply device through a control valve, and an air pressure gauge (11) is arranged above the air inlet (403); an air outlet (404) is arranged on the other furnace door (402), the air outlet (404) is connected with a vacuum pump through a control valve and a pipeline, a positioning pipe (405) is obliquely arranged above the air outlet (404), a thermocouple (8) is inserted in the positioning pipe (405) in a sealing way, the tail end of the thermocouple (8) is inserted in a Cheng Liaoguan (9), and Cheng Liaoguan (9) is a corundum pipe with an upper opening.
7. The large-diameter microwave tube reactor according to claim 1, wherein: the door plate (3) comprises a plate body (301) formed by bending and encircling a sheet metal part, a hollow shell is arranged at one side of the plate body (301), a positioning column (302) is arranged at the bottom of the plate body (301), a positioning hole is formed in the top of the plate body (301), and the positioning column (302) is matched with the positioning hole; the plate body (301) is provided with a door lock mounting hole (303), and an insulating layer is stuck inside the plate body (301).
8. A large diameter microwave tube reactor as defined in claim 2, wherein: an observation window (406) is arranged on the furnace door (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003579.8U CN220288136U (en) | 2023-04-28 | 2023-04-28 | Large-pipe-diameter microwave tube type reaction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003579.8U CN220288136U (en) | 2023-04-28 | 2023-04-28 | Large-pipe-diameter microwave tube type reaction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288136U true CN220288136U (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321003579.8U Active CN220288136U (en) | 2023-04-28 | 2023-04-28 | Large-pipe-diameter microwave tube type reaction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288136U (en) |
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2023
- 2023-04-28 CN CN202321003579.8U patent/CN220288136U/en active Active
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