Furnace body of bell jar type electric heating furnace

Abstract

The utility model discloses a furnace body of a bell jar type electric heating furnace, which comprises a furnace body main body, the top end of the furnace body main body is provided with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe extend into the furnace body main body, and the liquid inlet pipe and the liquid outlet pipe are positioned on two opposite sides; a first straight groove is formed in the lower end of the liquid inlet pipe, a first arch-shaped groove is formed in the lower end of the first straight groove, a second straight groove is formed in the upper end of the first arch-shaped groove, and a second arch-shaped groove is formed in the upper end of the second straight groove; an arranged booster pump can increase the oil pressure in a cooling oil tank, cooling oil enters a first straight groove, a first arch-shaped groove, a second straight groove and a second arch-shaped groove through an arranged cooling oil inlet pipe and a liquid inlet pipe and is finally discharged through a liquid outlet pipe, heat in the furnace body is discharged and taken away through the liquid outlet pipe, and therefore the active cooling function of the furnace body can be achieved; therefore, the oxidation speed of the shell can be slowed down, and potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heating furnaces, and specifically relates to a furnace body of a bell-shaped electric heating furnace. Background Art

[0002] In the related art, a bell-shaped electric heating furnace is a device dedicated to heating product materials and workpieces. Unlike drying equipment, the main purpose of a bell-shaped electric heating furnace is not to heat general materials, but to heat metal products at high temperatures without or with little oxidation so that they can be further processed.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] Currently, there is a disadvantage that the furnace body cannot cool down automatically. If the furnace body cannot cool down automatically, the high temperature of the furnace body will be transmitted to the outer shell. The high temperature of the outer shell will accelerate the oxidation rate of the outer shell, which may easily cause safety accidents. Utility Model Content

[0005] The utility model aims to provide a bell-shaped electric heating furnace body to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a furnace body of a bell-type electric heating furnace, including a furnace body main body, a liquid inlet pipe and a liquid outlet pipe are provided at the top of the furnace body main body, the liquid inlet pipe and the liquid outlet pipe both extend into the interior of the furnace body main body, and the liquid inlet pipe and the liquid outlet pipe are located on two sides in opposite directions; a first straight groove is provided at the lower end of the liquid inlet pipe, a first arched groove is provided at the lower end of the first straight groove, a second straight groove is provided at the upper end of the first arched groove, and a second arched groove is provided at the upper end of the second straight groove; a first straight groove, a first arched groove, a second straight groove and a second arched groove are sequentially arranged in the interior of the furnace body along the circumferential direction thereof, until the corresponding second straight groove is connected to the liquid outlet pipe; a cooling oil inlet pipe is connected to the outer end of the liquid inlet pipe, and a booster pump is provided at the oil inlet end of the cooling oil inlet pipe, and the booster pump is arranged in the cooling oil tank.

[0007] Preferably, a heat insulation board is provided on the outer side of the furnace body, an outer shell is provided on the outer side of the heat insulation board, and the cooling oil tank is provided on the side wall of the outer shell.

[0008] Preferably, the thermal insulation board is an aluminum silicate thermal insulation board.

[0009] Preferably, a first solenoid valve is provided on the pipeline of the liquid outlet pipe.

[0010] Preferably, a second solenoid valve is provided on the cooling oil inlet pipe.

[0011] Compared with the prior art, the beneficial effect of the utility model is that the booster pump provided in the utility model can increase the oil pressure inside the cooling oil tank, and enter the first straight groove, the first arched groove, the second straight groove and the second arched groove through the provided cooling oil inlet pipe and the liquid inlet pipe, and finally be discharged through the liquid outlet pipe. The heat in the furnace body is taken away by the liquid outlet pipe, thereby realizing the function of active cooling of the furnace body, which can slow down the oxidation rate of the outer shell and reduce safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the expanded structure of the cross section of the utility model;

[0013] Figure 2 It is a schematic diagram of the external structure of the utility model.

[0014] In the figure: 1. furnace body; 2. liquid inlet pipe; 3. liquid outlet pipe; 4. first straight groove; 5. first arcuate groove; 6. second straight groove; 7. second arcuate groove; 8. cooling oil inlet pipe; 9. booster pump; 10. cooling oil tank; 11. heat insulation board; 12. outer shell; 13. first solenoid valve; 14. second solenoid valve. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-2The utility model provides a technical solution: a furnace body of a bell-shaped electric heating furnace, comprising a furnace body 1, a liquid inlet pipe 2 and a liquid outlet pipe 3 are arranged at the top of the furnace body 1, the liquid inlet pipe 2 and the liquid outlet pipe 3 both extend into the furnace body 1, and the liquid inlet pipe 2 and the liquid outlet pipe 3 are located on two sides in opposite directions; a first straight groove 4 is arranged at the lower end of the liquid inlet pipe 2, and a sealing treatment is performed at the connection between the liquid inlet pipe 2 and the first straight groove 4 to prevent air leakage at the edge of the liquid inlet pipe 2, a first arched groove 5 is arranged at the lower end of the first straight groove 4, a second straight groove 6 is arranged at the upper end of the first arched groove 5, and a second arched groove 7 is arranged at the upper end of the second straight groove 6; along the circumferential direction of the furnace body 1, the first straight groove 4, the first arched groove 5, the second straight groove 6 and the second arched groove 7 are arranged in sequence inside the furnace body 1. Groove 7, to the corresponding second straight groove 6 is connected with the liquid outlet pipe 3, the connection between the liquid outlet pipe 3 and the second straight groove 6 is sealed to prevent air leakage at the edge of the liquid outlet pipe 3; the outer end of the liquid inlet pipe 2 is connected with a cooling oil inlet pipe 8, the oil inlet end of the cooling oil inlet pipe 8 is provided with a booster pump 9, the booster pump 9 is arranged in the box of the cooling oil tank 10, and the cooling oil tank 10 is provided with cooling oil. The cooling oil is a coolant and has more advantages than the traditional coolant water. It has sensitive thermal balance ability and super heat conduction ability to ensure that the heating furnace is at the best working temperature; the ultra-wide working temperature range prevents excessive temperature and micro-pressure in the cooling system; no antifreeze needs to be added in the low temperature environment; it avoids corrosion damage such as cavitation, scaling, and electrolysis, and has good compatibility with rubber tubes.

[0017] Specifically, a heat insulation board 11 is provided on the outside of the furnace body 1, a shell 12 is provided on the outside of the heat insulation board 11, a cooling oil tank 10 is provided on the side wall of the shell 12, and the shell 12 and the cooling oil tank 10 are fixedly connected or placed indirect to ensure that the cooling oil tank 10 can supply oil stably.

[0018] Specifically, the insulation board 11 adopts aluminum silicate insulation board. The aluminum silicate board is made of selected high-quality coke gemstones that are melted in an electric furnace above 2000°C, sprayed into fibers, and evenly added with special adhesives, oil repellents, and water repellents, and then heated and solidified. It is mainly used in the power industry, power boilers, steam turbines and nuclear power insulation, shipbuilding industry fire insulation, construction industry, fire insulation of fire doors, chemical industry high-temperature reaction equipment and heating equipment wall lining, automobile, train manufacturing industry, fire prevention, insulation, kiln lining, furnace door, top cover sealing, the finishing layer should use lightweight functional coatings such as finishing mortar and decorative mortar or water-based exterior wall coatings with excellent air permeability, so that the aluminum silicate board maintains its lightweight characteristics.

[0019] Specifically, a first solenoid valve 13 is provided on the pipeline of the liquid outlet pipe 3 .

[0020] Specifically, a second solenoid valve 14 is provided on the cooling oil inlet pipe 8. The solenoid valve is an industrial device controlled by electromagnetics. It is a basic component of automation used to control fluids and is an actuator. The solenoid valve can be used with different circuits to achieve the desired control, and the control accuracy and flexibility can be guaranteed. Different solenoid valves play a role in different positions of the control system. The most commonly used ones are one-way valves, safety valves, directional control valves, etc.

[0021] Working principle of solenoid valve: There is a closed cavity in the solenoid valve, with through holes at different positions, each hole leads to different oil pipes, the valve is in the middle of the cavity, and there are two electromagnets on both sides. The valve body will be attracted to the side where the magnet coil is energized, and the movement of the valve body is controlled to block or leak different oil drain holes, while the oil inlet hole is normally open, and the hydraulic oil will enter different oil drain pipes, and then the piston of the oil cylinder is pushed by the oil pressure, and the piston drives the piston rod, and the piston rod drives the mechanical device to move. In this way, the mechanical movement is controlled by controlling the current of the electromagnet.

[0022] Working principle: When the utility model is working, the booster pump 9 provided can increase the oil pressure inside the cooling oil tank 10, and the oil enters the first straight groove 4, the first arched groove 5, the second straight groove 6 and the second arched groove 7 through the cooling oil inlet pipe 8 and the liquid inlet pipe 2, and is finally discharged through the liquid outlet pipe 3. The heat in the furnace body 1 is taken away by the liquid outlet pipe 3, so that the furnace body 1 can actively cool down, which can slow down the oxidation rate of the outer shell and reduce safety hazards.

[0023] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bell-shaped electric heating furnace body, characterized in that: The furnace body (1) comprises a furnace body, wherein a liquid inlet pipe (2) and a liquid outlet pipe (3) are provided at the top of the furnace body (1), the liquid inlet pipe (2) and the liquid outlet pipe (3) both extend into the interior of the furnace body (1), and the liquid inlet pipe (2) and the liquid outlet pipe (3) are located on two sides in opposite directions; The lower end of the liquid inlet pipe (2) is provided with a first straight groove (4), the lower end of the first straight groove (4) is provided with a first arcuate groove (5), the upper end of the first arcuate groove (5) is provided with a second straight groove (6), and the upper end of the second straight groove (6) is provided with a second arcuate groove (7); A first straight groove (4), a first arcuate groove (5), a second straight groove (6) and a second arcuate groove (7) are sequentially arranged inside the furnace body (1) along the circumferential direction thereof, until the corresponding second straight groove (6) is connected to the liquid outlet pipe (3); The outer end of the liquid inlet pipe (2) is connected to a cooling oil inlet pipe (8), and the oil inlet end of the cooling oil inlet pipe (8) is provided with a booster pump (9), and the booster pump (9) is arranged in a cooling oil tank (10).

2. The furnace body of a bell-type electric heating furnace according to claim 1, characterized in that: A heat insulation board (11) is provided on the outside of the furnace body (1), an outer shell (12) is provided on the outside of the heat insulation board (11), and the cooling oil tank (10) is provided on the side wall of the outer shell (12).

3. The furnace body of a bell-type electric heating furnace according to claim 2, characterized in that: The heat insulation board (11) is an aluminum silicate heat insulation board.

4. The furnace body of a bell-type electric heating furnace according to claim 1, characterized in that: A first electromagnetic valve (13) is provided on the pipeline of the liquid outlet pipe (3).

5. The furnace body of a bell-type electric heating furnace according to claim 1, characterized in that: A second solenoid valve (14) is provided on the cooling oil inlet pipe (8).

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