Heating furnace

Abstract

The heating furnace comprises a machine frame, a furnace body, a heater, a jacket and a driver, the left side and the right side of the furnace body are hinged to the machine frame, the driver is in driving connection with the furnace body so as to drive the furnace body to swing in the front-back direction, a discharging port is formed in the front side of the furnace body, and the heater is arranged on the furnace body. The heating end of the heater extends into the heating cavity of the furnace body; the jacket is arranged on the periphery of the furnace body in a sleeving mode, spiral guide vanes are arranged between the periphery of the furnace body and the jacket and divide the space between the periphery of the furnace body and the jacket into spiral guide channels distributed along the periphery of the furnace body, and the jacket is provided with an inlet and an outlet which are connected with the two ends of the spiral guide channels respectively. And the spiral flow guide channel can enable the heat dissipation medium to be in full contact with the furnace body for heat exchange, the heat exchange efficiency is high, rapid and uniform cooling can be achieved, and the temperature of materials in the furnace can be controlled more timely.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial equipment field, concretely relates to a heating furnace. BACKGROUND

[0002] The heating furnace is the equipment that material or workpiece is heated to the equipment of forging temperature, and the heating furnace is applied to many industry fields such as petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building material, electron, material, light industry, daily use chemical, pharmacy and so on. After heating furnace heats the material in the furnace, the temperature in the furnace needs to be controlled, therefore, a heating furnace with high heat exchange efficiency needs to be designed. UTILITY MODEL CONTENT

[0003] Therefore, the utility model provides a heating furnace to solve the above problems.

[0004] To realize the above-mentioned purpose, the utility model provides the technical scheme as follows:

[0005] A kind of heating furnace, including rack, furnace body, heater, jacket and driver, the left and right sides of the furnace body are hinged to rack, the driver is drivenly connected the furnace body to drive the furnace body swing in front-back direction, the front side of the furnace body is provided with discharge port, the heating end of the heater is inserted into the heating cavity of the furnace body;The jacket is sleeved on the outer periphery of furnace body, and spiral guide vane is arranged between the outer periphery of furnace body and jacket, the space between the outer periphery of furnace body and jacket is separated by the spiral guide vane to obtain spiral guide channel distributed along the outer periphery of furnace body, and the inlet and outlet respectively connected with both ends of spiral guide channel are formed in the jacket.

[0006] Further, the jacket is also sleeved on the bottom of the furnace body, the spiral guide channel passes through the bottom of the furnace body, and the inlet or outlet of the jacket is arranged at the bottom of the jacket.

[0007] Further, the furnace body has an upper opening, and a cover plate covers the upper opening of the furnace body.

[0008] Further, a feeding port is formed in the cover plate, and a feed port cover plate that can be opened and closed is arranged at the feeding port.

[0009] Further, a visual window is formed in the cover plate, and a transparent cover plate covers the visual window.

[0010] Further, the transparent cover plate is temperature-resistant glass.

[0011] Further, the heater is fixed on the cover plate, and the heating end of the heater penetrates through the cover plate and is inserted into the heating cavity of the furnace body.

[0012] Further, the furnace body is provided with coaxial hinged shafts on the left and right sides, and the rack is provided with connecting bearings, and the hinged shafts of the furnace body are sleeved on the inner rings of the connecting bearings.

[0013] Further, the driver includes a driving motor and a transmission speed reducer, and the driving motor drives the hinged shafts of the furnace body through the transmission speed reducer to drive the furnace body to swing in the front-rear direction.

[0014] Further, the front side of the furnace body extends forward to form a nozzle, and the opening of the nozzle is the discharge port.

[0015] The technical scheme provided by the utility model has the following beneficial effects:

[0016] 1. The space between the outer periphery of the furnace body and the jacket is divided into spiral flow guide channels distributed along the outer periphery of the furnace body by the spiral flow guide vanes, and the jacket is provided with an inlet and an outlet connected to the two ends of the spiral flow guide channels, respectively. The spiral flow guide channels can make the heat dissipation medium (such as gas or liquid) fully contact and exchange heat with the furnace body, have high heat exchange efficiency, and can quickly and uniformly cool down to control the temperature of the materials in the furnace more timely.

[0017] 2. The left and right sides of the furnace body are hinged to the rack, and the driver drives the furnace body to swing in the front-rear direction to form a dumping discharge structure, which is more conducive to discharge operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 2 shows a side view of the heating furnace in the embodiment;

[0019] Figure 2 Fig. 3 shows a top view of the heating furnace in the embodiment. DETAILED DESCRIPTION

[0020] To further illustrate the embodiments, the utility model provides drawings. These drawings are part of the disclosure of the utility model, mainly used to illustrate the embodiments, and can be combined with the related description of the specification to explain the operation principle of the embodiments. With reference to these contents, those skilled in the art should understand other possible embodiments and the advantages of the utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0021] In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back" and the like are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0022] The utility model is further illustrated in combination with the drawings and specific embodiments.

[0023] Referring to Figure 1 and Figure 2 As shown in the figure, the heating furnace provided by the embodiment comprises a rack 10, a furnace body 20, a heater 24, a jacket 30 and a driver 40, the left and right sides of the furnace body 20 are hinged to the rack 10, the driver 40 is drivingly connected to the furnace body 20 to drive the furnace body 20 to swing in the front-rear direction, the front side of the furnace body 20 is provided with a discharge port 221, and the heating end of the heater 24 extends into the heating cavity of the furnace body 20; the jacket 30 is sleeved on the outer periphery of the furnace body 20, and helical flow guide vanes are arranged between the outer periphery of the furnace body 20 and the jacket 30, the helical flow guide vanes divide the space between the outer periphery of the furnace body 20 and the jacket 30 to obtain helical flow guide channels distributed along the outer periphery of the furnace body, and the jacket 30 is provided with an inlet 31 and an outlet 32 which are respectively connected to the two ends of the helical flow guide channels.

[0024] One of the operation processes is as follows: the inlet 31 of the jacket 30 is connected with a cooling device; the material is added into the heating cavity of the furnace body 20, and the heater 24 heats the material; when it is monitored that the temperature of the material exceeds the preset range (how to monitor the temperature of the material is the prior art), the cooling medium is injected into the helical flow guide channels from the inlet 31, the cooling medium is guided by the helical flow guide channels in a helical upward or downward manner to fully contact the furnace body 20, the heat exchange efficiency is improved, the material in the furnace body 20 is rapidly and uniformly cooled, and the temperature of the material in the furnace is more timely controlled. After the smelting is completed, the driver drives the furnace body 20 to swing forward, so that the material is output from the discharge port 221 on the front side.

[0025] Specifically, in the embodiment, the cooling gas is used as the heat exchange medium to perform heat exchange, that is, in use, the inlet 31 of the jacket 30 is connected with a gas source, the cooling gas enters from the inlet 31 and spirally surrounds the outer periphery of the furnace body 20 to form full contact with the furnace body 20, and then flows out from the outlet 32. The outlet 32 of the jacket 30 can be connected with a gas pipe, the hot air blown out is discharged outdoors through the gas pipe, or the hot air blown out is used to heat other equipment through the gas pipe to realize secondary utilization of heat energy. Of course, in other embodiments, the cooling liquid can also be used as the heat exchange medium to perform cooling.

[0026] The jacket 30 is also sleeved on the bottom of the furnace body 20, the helical flow guide channels pass through the bottom of the furnace body 20, and the inlet 31 or the outlet 32 of the jacket 30 is arranged at the bottom of the jacket 30; in the embodiment, the inlet 31 of the jacket 30 is arranged at a high position, and the outlet 32 of the jacket 30 is arranged at the bottom, so that the contact area of the heat exchange medium with the furnace body 20 is larger, and the cooling is more uniform.

[0027] Further, the furnace body 20 has an upper opening, and a cover plate 23 covers the upper opening of the furnace body 20, so that when maintenance is needed, the cover plate 23 can be removed to better maintain the heating cavity of the furnace body 20.

[0028] Meanwhile, the heater 24 is fixed on the cover plate 23, and the heating end of the heater 24 penetrates through the cover plate 23 and extends into the heating cavity of the furnace body 20; the heater 24 can be removed by removing the cover plate 23, and the cover plate 23 is fixed with the heater 24, which is easier to operate.

[0029] The cover plate 23 is provided with a feeding opening 231, and the feeding opening 231 is provided with an openable and closable feeding opening cover plate; when feeding is needed, the feeding opening cover plate is opened, and feeding can be performed from the feeding opening 231, and after feeding is completed, the feeding opening cover plate is closed.

[0030] The cover plate 23 is provided with a viewing window 232, and the viewing window 232 is covered with a transparent cover plate; specifically, the transparent cover plate can be made of temperature-resistant glass, that is, glass that can withstand the operating temperature of the heating furnace, for example, if the operating temperature of the heating furnace is 800℃, then the temperature-resistant glass must withstand at least 800℃; this is selected according to the actual situation. The structure of the viewing window 232 is convenient for direct observation with the naked eye.

[0031] The furnace body 20 is provided with coaxial hinge shafts 21 on the left and right sides, respectively, and the rack 10 is provided with a connecting bearing 11, and the hinge shafts 21 of the furnace body 20 are sleeved on the inner rings of the connecting bearing 11, so that the furnace body 20 is arranged.

[0032] The driver 40 includes a driving motor 41 and a transmission reducer 42, and the driving motor 41 is drivingly connected to the hinge shafts 21 of the furnace body 20 through the transmission reducer 42 to drive the furnace body 20 to swing in the front-rear direction. Specifically, the driving motor 41 and the transmission reducer 42 are both assembled on the rack 10 to realize stable installation.

[0033] The furnace body 20 is provided with coaxial hinge shafts 21 on the left and right sides, respectively, and the rack 10 is provided with a connecting bearing 11, and the hinge shafts 21 of the furnace body 20 are sleeved on the inner rings of the connecting bearing 11, so that the furnace body 20 is arranged.

[0034] The embodiment discloses one of the more preferred embodiments of the application, and of course, in other embodiments, it is not limited thereto, for example, the feeding opening 231 can be arranged on the furnace body 20, and the heater 24 can be fixed on the furnace body 20 or an external support; the driver 40 can adopt other driving structures capable of driving the furnace body 20 to rotate, such as lifting the bottom of the furnace body 20 to turn over, etc.

[0035] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all of them are within the protection scope of the utility model.

Claims

1. A heating furnace characterized by: The device comprises a frame, a furnace body, a heater, a jacket and a driver, the left and right sides of the furnace body are hinged to the frame, the driver drives the furnace body to swing in the front-back direction, the front side of the furnace body is provided with a discharge port, the heating end of the heater extends into the heating cavity of the furnace body, the jacket is sleeved on the outer periphery of the furnace body, and the helical guide vanes are arranged between the outer periphery of the furnace body and the jacket, the helical guide vanes divide the space between the outer periphery of the furnace body and the jacket into helical guide channels distributed along the outer periphery of the furnace body, and the jacket is provided with an inlet and an outlet connected with the two ends of the helical guide channels respectively.

2. The furnace of claim 1, wherein: The jacket is also sleeved on the bottom of the furnace body, the helical guide channels pass through the bottom of the furnace body, and the inlet or the outlet of the jacket is arranged at the bottom of the jacket.

3. The furnace of claim 1, wherein: The furnace body is provided with an upper opening, and the upper opening of the furnace body is covered with a cover plate.

4. The furnace of claim 3, wherein: The cover plate is provided with a feeding port, and the feeding port is provided with an openable and closable feeding port cover plate.

5. The furnace of claim 3, wherein: The cover plate is provided with a viewing window, and the viewing window is covered with a transparent cover plate.

6. The furnace of claim 5, wherein: The transparent cover plate is made of temperature-resistant glass.

7. The furnace of claim 3, wherein: The heater is fixed on the cover plate, and the heating end of the heater penetrates through the cover plate and extends into the heating cavity of the furnace body.

8. The furnace of claim 1, wherein: The left and right sides of the furnace body are respectively provided with coaxial hinge shafts, the frame is provided with a connecting bearing, and the hinge shafts of the furnace body are sleeved on the inner rings of the connecting bearing.

9. The furnace according to claim 1 or 8, characterized in that: The driver comprises a driving motor and a transmission reducer, the driving motor is drivingly connected with the hinge shafts of the furnace body through the transmission reducer, so as to drive the furnace body to swing in the front-back direction.

10. The furnace of claim 1, wherein: The front side of the furnace body extends forward to form a nozzle, and the opening of the nozzle is the discharge port.

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