Energy-saving industrial furnace capable of efficiently recycling heat

Abstract

The utility model relates to an energy-saving industrial furnace capable of efficiently recycling heat, which comprises a furnace body a and a furnace body b arranged at the front end of the furnace body, the inside of the furnace body a and the inside of the furnace body b are communicated, a lifting assembly is arranged at the joint of the furnace body a and the furnace body b, the lifting assembly comprises a lead screw and a lifting door driven by the lead screw, and discharging plates are arranged in the furnace body a and the furnace body b in a sliding mode. The upper end of the furnace body a and the upper end of the furnace body b are provided with heat energy recovery assemblies, and the heat energy recovery assemblies are used for absorbing heat entering the furnace body b after the lifting door is opened and conveying the heat back into the furnace body a. And part of heat loss and part of cold air entering the furnace are easily caused.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to an energy-saving industrial furnace capable of efficiently recycling heat. Background Art

[0002] Thermal energy waste heat recovery is the process of recycling and reusing the heat in the flue gas emitted during the industrial production process to reduce energy waste and environmental pollution. In the field of heating furnaces, flue gas waste heat recovery technology is widely used. By recycling flue gas waste heat, it can reduce energy consumption, improve equipment efficiency, and reduce greenhouse gas emissions, which has significant economic and environmental benefits.

[0003] A Chinese utility model patent with authorization publication number CN212482107U discloses a heat preservation device for a heating furnace, which belongs to the technical field of heating furnaces and includes a furnace body, a furnace door hinged on one side wall of the furnace body, a suction bucket provided on the top of the furnace door, and the suction bucket is fixedly connected to the side wall of the furnace body, a mobile heat preservation component, and the mobile heat preservation component is provided with three, a mounting frame, a driving component, a supporting frame, and a heat recovery component. The three mobile heat preservation components have the same structure, and the three mobile heat preservation components are respectively arranged on the sides of the other three side walls of the furnace body, the mounting frame is fixed on the top of the furnace body, the driving component is arranged on the mounting frame, the supporting frame is fixed on the top of the mounting frame, the heat recovery component is arranged on the top of the supporting frame, and the heat recovery component is connected to the suction bucket.

[0004] However, there are the following problems: the device needs to open the furnace door to collect the waste heat generated after the heat treatment, which easily leads to some heat loss and some cold air entering the furnace. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies of the prior art. When the workpiece is heated, the lifting door is opened and the sliding plate on the furnace door is opened at the same time. The discharge plate is manually hooked out to the position a of the furnace body, and the lifting door is closed at the same time. The residual heat of the heat carrier plate and the transmitted air are re-transmitted back to the furnace body a through the heat energy recovery component. When the furnace body b is cooled, the furnace door is opened to take out the parts, thereby overcoming the problem that the residual heat generated after heat treatment needs to be opened for heat collection, which easily leads to part of the heat loss and part of the cold air entering the furnace.

[0006] In view of the above technical problems, the technical solutions adopted by the utility model are as follows:

[0007] An energy-saving industrial furnace with efficient heat recovery and utilization comprises a furnace body a and a furnace body b arranged at the front end of the furnace body, the furnace bodies a and b are connected internally and a lifting assembly is arranged at the connection between them, the lifting assembly comprises a screw rod and a lifting door driven by the screw rod, a discharge plate is slidably arranged inside the furnace bodies a and b, a heat recovery assembly is arranged at the upper ends of the furnace bodies a and b, and the heat recovery assembly is used to absorb the heat entering the furnace body b after the lifting door is opened and transport it back to the furnace body a.

[0008] As a preferred embodiment, the lifting assembly also includes a motor for driving the screw to rotate, and two placement platforms are arranged between the furnace body a and the furnace body b. A motor is arranged on one of the placement platforms, and the motor output shaft is fixedly connected to the screw, and a guide rod is arranged on the other placement platform.

[0009] As a preferred embodiment, the heat energy recovery component includes a first fan arranged on the furnace body a and a second fan arranged on the furnace body b, one end of the first fan is connected to the conduit a, and the other end is connected to the conduit b, one end of the second fan is connected to the conduit c, and the other end is connected to the conduit b, the other ends of the conduit a and the conduit c are connected to the furnace body a and the furnace body b respectively, and the first fan and the second fan are both arranged on a support seat.

[0010] As a preferred embodiment, a furnace door is provided at the end of the furnace body b, a sliding groove is provided on the furnace door, and a sliding plate is slidably provided in the sliding groove.

[0011] As a preference, a hook ring is provided at the end of the discharge plate.

[0012] As a preference, the lifting door is made of high temperature resistant material and fits tightly with furnace body a and furnace body b.

[0013] As a preferred embodiment, a plurality of supporting legs are provided at the lower ends of the furnace body a and the furnace body b.

[0014] Beneficial effects of the utility model:

[0015] 1. In the utility model, the sliding plate on the sliding furnace door is manually hooked out to the position a of the furnace body by a tool, which can prevent the rapid loss of heat after directly opening the furnace door, thereby solving the problem of needing to open the furnace door for heat collection.

[0016] 2. In the utility model, by closing the lifting door, the waste heat of the heat carrier plate and the hot air flowing into the furnace body b are transmitted back to the furnace body a through the heat recovery component. When the furnace body b is cooled, the furnace door is opened to take out the parts, thereby realizing the recovery of waste heat after industrial furnace processing and achieving energy saving and environmental protection.

[0017] In summary, the device has the advantages of efficient recovery and utilization of heat after heating, and is particularly suitable for the field of heating furnace technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 Axonometric view of an energy-saving industrial furnace with efficient heat recovery;

[0020] Figure 2 A schematic diagram of the structure of an energy-saving industrial furnace with efficient heat recovery and utilization;

[0021] Figure 3 A schematic diagram of the structure of a discharge plate in an energy-saving industrial furnace with efficient heat recovery;

[0022] Figure 4 A cross-sectional view of a lifting assembly in an energy-saving industrial furnace with efficient heat recovery;

[0023] Figure 5 This is an enlarged view of Figure B.

[0024] The accompanying drawings are marked as follows: 1-furnace body a; 2-furnace body b; 3-lifting assembly; 31-screw rod; 32-lifting door; 4-discharging plate; 5-heat recovery assembly; 33-motor; 34-discharging table; 35-guide rod; 51-first fan; 52-second fan; 53-duct a; 54-duct b; 55-duct c; 56-support seat; 21-furnace door; 22-sliding groove; 23-sliding plate; 41-hook ring; 11-support leg column. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.

[0026] Embodiment 1

[0027] like Figures 1 to 5As shown, an energy-saving industrial furnace with efficient heat recovery and utilization includes a furnace body a1 and a furnace body b2 arranged at the front end of the furnace body, the furnace bodies a1 and b2 are connected to each other and a lifting assembly 3 is arranged at the connection between them, the lifting assembly 3 includes a screw rod 31 and a lifting door 32 driven by the screw rod 31, and a discharge plate 4 is slidably arranged inside the furnace bodies a1 and b2, and a heat recovery assembly 5 is arranged on the upper ends of the furnace bodies a1 and b2, and the heat recovery assembly 5 is used for absorbing the heat entering the furnace body b2 after the lifting door 32 is opened and transporting it back to the furnace body a1.

[0028] like Figure 2 As shown, the lifting assembly 3 also includes a motor 33 for driving the screw 31 to rotate, and two placement platforms 34 are arranged between the furnace body a1 and the furnace body b2, one of the placement platforms 34 is provided with a motor 33, and the output shaft of the motor 33 is fixedly connected to the screw 31, and a guide rod 35 is arranged on the other placement platform 34. The screw 31 drives the lifting plate 32 to rise and fall through the motor 33.

[0029] like Figure 1 , 4 As shown, the heat energy recovery component 5 includes a first fan 51 arranged on the furnace body a1 and a second fan 52 arranged on the furnace body b2, one end of the first fan 51 is connected to the conduit a53, and the other end is connected to the conduit b54, one end of the second fan 52 is connected to the conduit c55, and the other end is connected to the conduit b54, the other ends of the conduits a53 and c55 are connected to the furnace body a1 and the furnace body b2 respectively, the first fan 51 and the second fan 52 are both arranged on the support seat 56, the second fan 52 sucks the hot air in the furnace body b2, and the first fan 51 blows the hot air into the furnace body a1.

[0030] In this example, a furnace door 21 is provided at the end of the furnace body b2 , and a sliding groove 22 is provided on the furnace door 21 . A sliding plate 23 is slidably provided in the sliding groove 22 , so as to facilitate manual movement of the discharge plate 4 .

[0031] In this example, a hook ring 41 is provided at the end of the unloading plate 4 to facilitate manual movement of the unloading plate 4 .

[0032] In this example, the lifting door 32 is made of high temperature resistant material and fits tightly with the furnace body a1 and the furnace body b2 to improve the sealing performance inside the furnace body.

[0033] In this example, a plurality of supporting legs 11 are provided at the lower ends of the furnace bodies a1 and b2.

[0034] Here’s how it works:

[0035] After the workpiece is heated, the lifting door 32 is opened by the screw rod 31, and the sliding plate 23 on the furnace door 21 is opened at the same time. The discharge plate 4 is manually hooked out to the position of the furnace body a, and the lifting door 32 is closed at the same time. The residual heat of the discharge plate 4 and the transferred hot air are retransmitted back to the furnace body a1 through the first fan 51 and the second fan 52 to realize heat energy recovery. When the furnace body b2 is cooled, the furnace door 21 is opened to take out the parts.

[0036] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0037] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An energy-saving industrial furnace with efficient heat recovery and utilization, comprising a furnace body a (1) and a furnace body b (2) arranged at the front end of the furnace body, characterized in that: The furnace bodies a (1) and b (2) are connected internally and a lifting assembly (3) is provided at the connection point thereof. The lifting assembly (3) comprises a screw rod (31) and a lifting door (32) driven by the screw rod (31). A discharge plate (4) is slidably provided inside the furnace bodies a (1) and b (2). A heat recovery assembly (5) is provided at the upper end of the furnace bodies a (1) and b (2). The heat recovery assembly (5) is used to absorb heat entering the furnace body b (2) after the lifting door (32) is opened and transport the heat back to the furnace body a (1).

2. The energy-saving industrial furnace with efficient heat recovery according to claim 1, characterized in that: The lifting assembly (3) further comprises a motor (33) for driving the screw rod (31) to rotate. Two placement platforms (34) are arranged between the furnace body a (1) and the furnace body b (2). A motor (33) is arranged on one of the placement platforms (34). An output shaft of the motor (33) is fixedly connected to the screw rod (31). A guide rod (35) is arranged on the other placement platform (34).

3. The energy-saving industrial furnace with efficient heat recovery according to claim 1, characterized in that: The heat energy recovery assembly (5) comprises a first fan (51) arranged on a furnace body a (1) and a second fan (52) arranged on a furnace body b (2); one end of the first fan (51) is connected to a conduit a (53) and the other end is connected to a conduit b (54); one end of the second fan (52) is connected to a conduit c (55) and the other end is connected to the conduit b (54); the other ends of the conduit a (53) and the conduit c (55) are connected to the furnace body a (1) and the furnace body b (2) respectively; the first fan (51) and the second fan (52) are both arranged on a support base (56).

4. The energy-saving industrial furnace with efficient heat recovery according to claim 3 is characterized in that: A furnace door (21) is provided at the end of the furnace body b (2), a sliding groove (22) is provided on the furnace door (21), and a sliding plate (23) is slidably provided in the sliding groove (22).

5. The energy-saving industrial furnace with efficient heat recovery according to claim 1, characterized in that: A hook ring (41) is provided at the end of the discharge plate (4).

6. The energy-saving industrial furnace with efficient heat recovery according to claim 1, characterized in that: The lifting door (32) is made of high temperature resistant material and fits tightly with the furnace body a (1) and the furnace body b (2).

7. The energy-saving industrial furnace with efficient heat recovery according to claim 1, characterized in that: A plurality of supporting legs (11) are provided at the lower ends of the furnace body a (1) and the furnace body b (2).

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