Carburizing furnace waste heat utilization device

Abstract

The utility model discloses a carburizing furnace waste heat utilization device, and relates to the technical field of heat treatment, the carburizing furnace waste heat utilization device comprises a heat exchange box, a heat insulation plate I is arranged in the heat exchange box, a fixing groove I and a fixing groove II are arranged at the lower end of the top wall in the heat insulation plate I, and a temperature sensor is arranged in the fixing groove I; a liquid level sensor is mounted in the second fixing groove, a second heat insulation plate is mounted in the second fixing groove, and a circular groove is formed in the center of the bottom wall of the second heat insulation plate; through the arranged temperature sensor, the water temperature in the heat exchange box can be measured, continuous evaporation after the water temperature reaches the highest temperature is prevented, meanwhile, the heat insulation plate I is matched, the waste heat utilization efficiency of the device is improved, meanwhile, through the arrangement of the liquid level sensor, the water level in the heat exchange box can be monitored, and therefore heat exchange treatment can be better conducted; and meanwhile, the heat dissipation performance of the device is improved through the arrangement of a heat dissipation groove, and meanwhile the effect of protecting the liquid level sensor is achieved through the arrangement of a second heat insulation plate.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment, in particular to a carburizing furnace waste heat utilization device. Background Art

[0002] Carburizing is a type of metal surface treatment. Low carbon steel or low alloy steel is mostly carburized. The specific method is to place the workpiece in an active carburizing medium and heat it to a single-phase austenite zone of 900-950 degrees Celsius.

[0003] After sufficient insulation time, the active carbon atoms decomposed in the carburizing medium penetrate into the surface of the steel part, thereby obtaining high carbon on the surface while the core still maintains the original composition. Similar to this is low-temperature nitriding treatment, which is a common heat treatment process for metal materials.

[0004] The traditional carburizing furnace waste heat utilization device cannot accurately measure the water temperature and water level inside the heat exchange box during heat exchange, which may cause the water temperature to evaporate after reaching the highest point, resulting in low waste heat utilization efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a carburizing furnace waste heat utilization device, which can 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 carburizing furnace waste heat utilization device, including a heat exchange box, a heat insulation board 1 is arranged inside the heat exchange box, a fixed groove 1 and a fixed groove 2 are opened at the lower end of the top wall inside the heat insulation board 1, a temperature sensor is installed inside the fixed groove 1, a liquid level sensor is installed inside the fixed groove 2, a heat insulation board 2 is installed inside the fixed groove 2, a circular groove is opened at the center of the bottom wall of the heat insulation board 2, a plurality of heat dissipation grooves are opened on the top wall of the heat exchange box, and a heat dissipation component is arranged inside the heat exchange box.

[0007] Preferably, the heat dissipation component includes a heat dissipation slot arranged inside the heat exchange box, a plurality of the heat dissipation slots and the second fixed slot are arranged to be interconnected, and a guide component is arranged on the right side of the heat exchange box.

[0008] Preferably, the guide assembly includes a fixed box arranged on the right side of the heat exchange box, a water pump is installed inside the fixed box, a connecting pipe 1 is opened on the right side wall of the heat exchange box, the other end of the connecting pipe 1 is fixedly connected to the input end of the water pump, and a fixed assembly is arranged on the right side of the fixed box.

[0009] Preferably, the fixing assembly includes a fixing plate and a clamp arranged on the right side of the fixing box, a connecting pipe 2 is arranged on the right side of the heat exchange box, the output end of the water pump is fixedly connected to the connecting pipe 2, a clamp is arranged on the outside of the connecting pipe 2, a fixing plate is arranged on the right side of the clamp, the clamp is divided into two, screw holes are opened on the left side walls of the two clamps, and an auxiliary assembly is arranged inside the heat exchange box.

[0010] Preferably, the auxiliary component includes a spiral blade arranged inside the heat exchange box, a furnace body is arranged inside the heat exchange box, a plurality of spiral blades are arranged on the outside of the furnace body, a water inlet pipe is opened on the left side wall of the heat exchange box, and a protective component is arranged inside the heat exchange box.

[0011] Preferably, the protection component includes an insulation plate 1 arranged inside the heat exchange box, an insulation plate 1 is fixedly arranged inside the heat exchange box, a collecting box is arranged on the right side of the fixed box, a plurality of fixed plates are fixedly arranged on the left side wall of the collecting box, and the insulation plate 1 and the heat exchange box are arranged as a whole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can measure the water temperature inside the heat exchange box by setting a temperature sensor to prevent the water temperature from continuing to evaporate after reaching the maximum temperature. At the same time, the waste heat utilization efficiency of the device is improved by cooperating with the first insulation board. At the same time, the setting of the liquid level sensor can monitor the water level inside the heat exchange box, so that heat exchange processing can be better performed. At the same time, the setting of the heat dissipation groove improves the heat dissipation performance of the device. At the same time, the setting of the second insulation board has the effect of protecting the liquid level sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the heat exchange box of the utility model;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the fixing plate and the clamp of the utility model;

[0017] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. heat exchange box; 2. insulation board 1; 3. fixed groove 1; 4. temperature sensor; 5. water inlet pipe; 6. fixed groove 2; 7. liquid level sensor; 8. insulation board 2; 9. circular groove; 10. heat dissipation groove; 11. furnace body; 12. fixed box; 13. water pump; 14. connecting pipe 1; 15. connecting pipe 2; 16. spiral blade; 17. fixed plate; 18. clamp; 19. collection box. DETAILED DESCRIPTION

[0019] 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 of 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.

[0020] Example 1

[0021] See also Figure 1 The figure shows a carburizing furnace waste heat utilization device, including a heat exchange box 1, characterized in that: a heat insulation board 1 is arranged inside the heat exchange box, a fixing groove 3 and a fixing groove 6 are opened at the lower end of the internal top wall of the heat insulation board 2, a temperature sensor 4 is installed inside the fixing groove 3, a liquid level sensor 7 is installed inside the fixing groove 6, a heat insulation board 2 8 is installed inside the fixing groove 6, a circular groove 9 is opened at the center of the bottom wall of the heat insulation board 2 8, a plurality of heat dissipation grooves 10 are opened on the top wall of the heat exchange box 1, and a heat dissipation component is arranged inside the heat exchange box 1.

[0022] See also Figure 4 In the figure, the heat dissipation component includes a heat dissipation slot 10 arranged inside the heat exchange box 1, a plurality of heat dissipation slots 10 and a fixing slot 2 6 are interconnected, and a guide component is arranged on the right side of the heat exchange box 1.

[0023] In this embodiment: by setting up a plurality of heat dissipation grooves 10, an air circulation effect is achieved, thereby improving the heat dissipation performance inside the fixed groove 6, thereby protecting the liquid level sensor 7. At the same time, the liquid level sensor 7 adopts WH311, which is a high temperature resistant liquid level sensor.

[0024] Working principle: the user connects the water inlet pipe 5 with the external water pipe, then adds water to the inside of the heat exchange box 1, and measures the water level inside the heat exchange box 1 through the liquid level sensor 7. Then, when the furnace body 11 is working, the water in the heat exchange box 1 absorbs heat, and at the same time, the spiral blades 16 can ensure that the water flows unidirectionally in the heat exchange box 1 and the circulation path is increased. The waste heat in the furnace body 11 is recovered by water to increase the water temperature. The internal water temperature is measured by the temperature sensor 4. After the water temperature reaches a certain temperature, the heated water is moved to the collection box 19 through the water pump 13.

[0025] Example 2

[0026] See also Figure 1 This embodiment further explains Example 1. The installation component in the figure includes a fixed box 12 arranged on the right side of the heat exchange box 1. A water pump 13 is installed inside the fixed box 12. A connecting pipe 14 is opened on the right side wall of the heat exchange box 1. The other end of the connecting pipe 14 is fixedly connected to the input end of the water pump 13. A fixed component is arranged on the right side of the fixed box 12.

[0027] In this embodiment: the setting of the fixed box 12 plays a role in protecting the water pump 13, and the setting of the water pump 13 plays a role in guiding the water inside the heat exchange box 1. The heated water is moved to the inside of the collection box 19 in turn through the connecting pipe 1 14, the water pump 13 and the connecting pipe 2 15.

[0028] See also Figure 1 In the figure, the fixing assembly includes a fixing plate 17 and a clamp 18 arranged on the right side of the fixing box 12. A connecting pipe 15 is arranged on the right side of the heat exchange box 1. The output end of the water pump 13 is fixedly connected to the connecting pipe 15. A clamp 18 is arranged on the outside of the connecting pipe 15. A fixing plate 17 is arranged on the right side of the clamp 18. The clamp 18 is divided into two. Screw holes are opened on the left side walls of the two clamps 18. Auxiliary components are arranged inside the heat exchange box 1.

[0029] In this embodiment, the clamp 18 is fixed by a locking screw, and the arrangement of the clamp 18 also plays the role of fixing the connecting pipe 15 .

[0030] See also Figure 1 In the figure, the auxiliary component includes a spiral blade 16 arranged inside the heat exchange box 1, a furnace body 11 is arranged inside the heat exchange box 1, a plurality of spiral blades 16 are arranged on the outside of the furnace body 11, a water inlet pipe 5 is opened on the left side wall of the heat exchange box 1, and a protective component is arranged inside the heat exchange box 1.

[0031] In this embodiment: the spiral blades 16 can ensure that water flows unidirectionally in the heat exchange box 1 and the flow path is increased, and the waste heat in the furnace body 11 is recovered by water to increase the water temperature. The setting of the water inlet pipe 5 can be connected to the external water pipe to add water to the inside of the heat exchange box 1.

[0032] See also Figure 1 In the figure, the protection component includes a heat insulation plate 2 arranged inside the heat exchange box 1, a heat insulation plate 2 is fixedly arranged inside the heat exchange box 1, a collecting box 19 is arranged on the right side of the fixed box 12, and a plurality of fixed plates 17 are fixedly arranged on the left side wall of the collecting box 19, and the heat insulation plate 2 and the heat exchange box 1 are arranged as a whole.

[0033] In this embodiment, the provision of the heat insulation board 2 has the effect of heat insulation, while the provision of the collecting box 19 has the effect of protecting the hot water, and the provision of the fixing plate 17 has the effect of fixing the clamp 18.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carburizing furnace waste heat utilization device, comprising a heat exchange box (1), characterized in that: The heat exchange box (1) is provided with a heat insulation board (2) inside, a fixing groove (3) and a fixing groove (6) are provided at the lower end of the internal top wall of the heat insulation board (2), a temperature sensor (4) is installed inside the fixing groove (3), a liquid level sensor (7) is installed inside the fixing groove (6), a heat insulation board (8) is installed inside the fixing groove (6), a circular groove (9) is provided at the center of the bottom wall of the heat insulation board (8), a plurality of heat dissipation grooves (10) are provided on the top wall of the heat exchange box (1), and a heat dissipation component is provided inside the heat exchange box (1).

2. A carburizing furnace waste heat utilization device according to claim 1, characterized in that: The heat dissipation component comprises a heat dissipation slot (10) arranged inside the heat exchange box (1), a plurality of the heat dissipation slots (10) and the second fixing slot (6) are arranged to communicate with each other, and a guide component is arranged on the right side of the heat exchange box (1).

3. A carburizing furnace waste heat utilization device according to claim 2, characterized in that: The guide assembly comprises a fixed box (12) arranged on the right side of the heat exchange box (1), a water pump (13) is installed inside the fixed box (12), a connecting pipe (14) is opened on the right side wall of the heat exchange box (1), the other end of the connecting pipe (14) is fixedly connected to the input end of the water pump (13), and a fixed assembly is arranged on the right side of the fixed box (12).

4. A carburizing furnace waste heat utilization device according to claim 3, characterized in that: The fixing assembly comprises a fixing plate (17) and a clamp (18) arranged on the right side of the fixing box (12); a second connecting pipe (15) is arranged on the right side of the heat exchange box (1); the output end of the water pump (13) is fixedly connected to the second connecting pipe (15); a clamp (18) is arranged on the outside of the second connecting pipe (15); a fixing plate (17) is arranged on the right side of the clamp (18); the clamp (18) is divided into two; screw holes are provided on the left side walls of the two clamps (18); and an auxiliary assembly is arranged inside the heat exchange box (1).

5. A carburizing furnace waste heat utilization device according to claim 4, characterized in that: The auxiliary component comprises a spiral blade (16) arranged inside the heat exchange box (1), a furnace body (11) is arranged inside the heat exchange box (1), a plurality of spiral blades (16) are arranged on the outside of the furnace body (11), a water inlet pipe (5) is opened on the left side wall of the heat exchange box (1), and a protective component is arranged inside the heat exchange box (1).

6. A carburizing furnace waste heat utilization device according to claim 5, characterized in that: The protection component comprises a heat insulation plate (2) arranged inside the heat exchange box (1); the heat insulation plate (2) is fixedly arranged inside the heat exchange box (1); a collection box (19) is arranged on the right side of the fixed box (12); a plurality of fixed plates (17) are fixedly arranged on the left side wall of the collection box (19); and the heat insulation plate (2) and the heat exchange box (1) are arranged as a whole.

Images