CN219301306U

CN219301306U - Tube furnace

Info

Publication number: CN219301306U
Application number: CN202223215818.4U
Authority: CN
Inventors: 陆君雄; 周春龙; 吴超; 仇俊明
Original assignee: Microspectral Technology Services Jiangsu Co ltd
Current assignee: Microspectral Technology Services Jiangsu Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-04
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a tube furnace, comprising: the furnace comprises a furnace chamber, a lower box body, a plurality of grooves and a plurality of cooling pipes, wherein the furnace chamber and the grooves are formed in the lower box body, the middle axes of the grooves are the same, the furnace chamber is positioned in the middle of the grooves, and the furnace chamber is used for placing furnace pipes; the cooling pipes are arranged in the grooves, the electromagnetic valve is started to sequentially conduct the cooling pipes, so that liquid at the other end of the electromagnetic valve sequentially enters the cooling pipes, and the furnace pipes placed in the hearth are gradually cooled; the novel tube furnace designed by the utility model adopts a plurality of cooling tubes to be arranged at different positions of the furnace tube, so as to gradually regulate and control cooling water to enter different pipelines, gradually approach the furnace tube for cooling, and avoid rapid cooling of the furnace tube during use.

Description

Tube furnace

Technical Field

The utility model relates to the technical field of heat treatment, in particular to a tube furnace.

Background

The tube furnace is widely applied to industries such as glass, metallurgy, lithium battery anode and cathode materials, new energy sources and the like, particularly the tube furnace is frequently used in the material heat treatment process, the current common tube furnace comprises a box body with a heating function, a hearth is arranged in the box body, the furnace tube is placed in the hearth, materials are placed in the furnace tube, and two sides of the box body are sealed by sealing flanges;

in the research and development of the temperature control process of the existing tube furnace, as disclosed in publication No.: the cooling system shown in CN214620629U is designed with a spiral pipeline to surround the whole furnace tube, and although cooling water is introduced into the spiral pipeline to realize rapid cooling inside the furnace tube, the furnace tube should be prevented from being rapidly cooled as much as possible when in use, so as to prevent explosion after quenching the high-temperature furnace tube.

Disclosure of Invention

Aiming at the problems existing in the prior art, a novel tube furnace is provided,

the specific technical scheme is as follows:

a novel tube furnace is designed, comprising: the furnace comprises a furnace chamber, a lower box body, a plurality of grooves and a plurality of cooling pipes, wherein the furnace chamber and the grooves are formed in the lower box body, the middle axes of the grooves are the same, the furnace chamber is positioned in the middle of the grooves, and the furnace chamber is used for placing furnace pipes;

the cooling pipes are arranged in the grooves, the electromagnetic valves are started to conduct the cooling pipes in sequence, so that liquid at the other ends of the electromagnetic valves sequentially enters the cooling pipes, and the furnace pipes placed in the hearth are cooled gradually.

Preferably, the number of the grooves is at least three, and the number of the cooling pipes is equal to the number of the grooves.

Preferably, the electromagnetic valve comprises a first valve port, a second valve port, a third valve port and a fourth valve port, wherein the fourth valve port is a normally open valve port, and the fourth valve port is connected with a water outlet of the water pump through a pipeline.

Preferably, the plurality of cooling pipes include: the cooling device comprises a first cooling pipe, a second cooling pipe and a third cooling pipe, wherein a water inlet of the first cooling pipe is connected with a first valve port through a pipeline, the second cooling pipe is connected with a second valve port through a pipeline, and the third cooling pipe is connected with a third valve port through a pipeline.

Preferably, the water outlets of the first cooling pipe, the second cooling pipe and the third cooling pipe are connected to the multi-way joint through pipelines.

Preferably, the multi-way joint is connected with the water inlet of the water pump through a pipeline.

Preferably, a sensor is installed in the lower box body, and the sensor is electrically connected with the temperature controller.

Preferably, the temperature controller is electrically connected with the electromagnetic valve.

Preferably, the lower box body and the water pump are both installed on a fixed table, and the temperature controller is installed below the fixed table.

The technical scheme has the following advantages or beneficial effects:

the utility model designs a novel tube furnace, which adopts a plurality of cooling tubes to be arranged at different positions of a furnace tube and is used for regulating and controlling cooling water to enter different pipelines step by step and gradually approaching the furnace tube to cool, so that the furnace tube is prevented from being cooled rapidly during use.

Drawings

FIG. 1 is an internal structural view of a tube furnace according to the present utility model;

FIG. 2 is a top view showing the internal structure of a tube furnace according to the present utility model;

FIG. 3 is a diagram of the internal piping structure of the tube furnace according to the present utility model;

fig. 4 is an external side view of the tube furnace according to the present utility model.

Legend description:

the furnace chamber 1, a first cooling pipe 2, a multi-way joint 3, a temperature controller 4, a fixed table 5, a lower box 11, an electromagnetic valve 21, a second cooling pipe 22, a third cooling pipe 23, a water pump 24 and a sensor 41.

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.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

Referring to fig. 1-4, a tube furnace, comprising: the furnace comprises a furnace chamber 1, a lower box body 11, a plurality of grooves and a plurality of cooling pipes, wherein the furnace chamber 1 and the plurality of grooves are formed in the lower box body 11, the middle axes of the plurality of grooves are the same, the furnace chamber 1 is positioned in the middle of the plurality of grooves, and the furnace chamber 1 is used for placing furnace pipes;

the cooling pipes are arranged in the grooves, the electromagnetic valve 21 is started to sequentially conduct the cooling pipes, so that liquid at the other end of the electromagnetic valve 21 sequentially enters the cooling pipes, and the furnace pipes placed in the hearth 1 are gradually cooled.

The number of the cooling pipes is equal to that of the grooves, and the pipe diameters of the cooling pipes are matched with the grooves.

The electromagnetic valve 21 comprises a first valve port, a second valve port, a third valve port and a fourth valve port, wherein the fourth valve port is a normally open valve port, and the fourth valve port is connected with the water outlet of the water pump 24 through a pipeline.

The plurality of cooling pipes includes: the cooling device comprises a first cooling pipe 2, a second cooling pipe 22 and a third cooling pipe 23, wherein a water inlet of the first cooling pipe 2 is connected with a first valve port through a pipeline, the second cooling pipe 22 is connected with a second valve port through a pipeline, and the third cooling pipe 23 is connected with a third valve port through a pipeline.

The water outlets of the first cooling pipe 2, the second cooling pipe 22 and the third cooling pipe 23 are connected to the multi-way joint 3 through pipelines.

The water inlet of the upper part of the multi-way joint 3 and the water pump 24 is connected through a pipeline, when the cooling pipes perform cooling work, the water inlet is opened, and the multi-way joint 3 uniformly feeds the liquid in the first cooling pipe 2, the second cooling pipe 22 and the third cooling pipe 23 into the internal cavity of the water pump 24.

The sensor 41 is installed in the lower case 11, the sensor 41 is a temperature detection sensor, and the sensor 41 is electrically connected to the temperature controller 4.

The temperature controller 4 is electrically connected with the electromagnetic valve 21.

The lower case 11 and the water pump 24 are both installed at the upper end of the fixed table 5.

The temperature controller 4 is installed below the fixed table 5.

When the sensor 41 detects that the temperature of the hearth 1 reaches the maximum threshold value, a signal is sent to the temperature controller 4, the temperature controller 4 sends a signal to the electromagnetic valve 21, a third valve opening of the electromagnetic valve 21 is controlled to be opened, and cooling water introduced from a fourth valve opening is conducted into the third cooling pipe 23; after a period of time, the temperature controller 4 sends a signal to the electromagnetic valve 21 again, controls the second valve port of the electromagnetic valve 21 to be opened, and conducts cooling water introduced by the fourth valve port into the second cooling pipe 22; after a period of time, the temperature controller 4 sends a signal to the electromagnetic valve 21 to control the first valve port of the electromagnetic valve 21 to be opened, and the cooling water introduced by the fourth valve port is conducted into the first cooling pipe 2;

by sequentially conducting the third cooling pipe 23, the second cooling pipe 22 and the first cooling pipe 2, after the furnace tube in the furnace chamber 1 is cooled layer by layer, when the sensor 41 detects that the temperature of the furnace chamber 1 reaches the minimum threshold value, a signal is sent to the temperature controller 4, the temperature controller 4 sends a signal to the electromagnetic valve 21, the first valve port, the second valve port and the third valve port are sequentially controlled to be closed, and the conduction of cooling water is stopped.

Working principle: referring to fig. 1 to 4, after receiving the feedback signal of the sensor 41, the temperature controller 4 sends a signal to control the opening of the third valve port of the electromagnetic valve 21, so as to conduct the cooling water introduced from the fourth valve port into the third cooling pipe 23; after a period of time, the temperature controller 4 sends a signal again to control the second valve port 22 of the electromagnetic valve 21 to be opened, and the second cooling pipe 22 is conducted; after a period of time, the temperature controller 4 sends a signal to control the first valve port of the electromagnetic valve 21 to be opened, and the first cooling pipe 2 is conducted; by sequentially conducting the third cooling pipe 23, the second cooling pipe 22 and the first cooling pipe 2, the furnace tubes in the hearth 1 are cooled layer by layer.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A tube furnace, characterized in that: comprising the following steps: the furnace comprises a furnace chamber (1), a lower box body (11), a plurality of grooves and a plurality of cooling pipes, wherein the furnace chamber (1) and the plurality of grooves are formed in the lower box body (11), the middle axes of the plurality of grooves are the same, the furnace chamber (1) is positioned in the middle of the plurality of grooves, and the furnace chamber (1) is used for placing furnace pipes;

the cooling pipes are arranged in the grooves, the electromagnetic valve (21) is started to sequentially conduct the cooling pipes, so that liquid at the other end of the electromagnetic valve (21) sequentially enters the cooling pipes, and the furnace pipes placed in the hearth (1) are gradually cooled.

2. A tube furnace as claimed in claim 1, wherein: the number of the cooling pipes is equal to the number of the grooves.

3. A tube furnace as claimed in claim 1, wherein: the electromagnetic valve (21) comprises a first valve port, a second valve port, a third valve port and a fourth valve port, wherein the fourth valve port is a normally open valve port, and the fourth valve port is connected with a water outlet of the water pump (24) through a pipeline.

4. A tube furnace according to claim 3, wherein: the plurality of cooling pipes includes: the cooling device comprises a first cooling pipe (2), a second cooling pipe (22) and a third cooling pipe (23), wherein a water inlet of the first cooling pipe (2) is connected with the first valve port through a pipeline, the second cooling pipe (22) is connected with the second valve port through a pipeline, and the third cooling pipe (23) is connected with the third valve port through a pipeline.

5. A tube furnace as claimed in claim 4, wherein: the water outlets of the first cooling pipe (2), the second cooling pipe (22) and the third cooling pipe (23) are connected to the multi-way joint (3) through pipelines.

6. A tube furnace as claimed in claim 5, wherein: the multi-way joint (3) is connected with a water inlet of the water pump (24) through a pipeline.

7. A tube furnace according to claim 3, wherein: a sensor (41) is arranged in the lower box body (11), and the sensor (41) is electrically connected with the temperature controller (4).

8. A tube furnace as claimed in claim 7, wherein: the temperature controller (4) is electrically connected with the electromagnetic valve (21).

9. A tube furnace as claimed in claim 8, wherein: the lower box body (11) and the water pump (24) are both arranged at the upper end of the fixed table (5).

10. A tube furnace as claimed in claim 9, wherein: the temperature controller (4) is arranged below the fixed table (5).