Waste heat utilization device for silicon nitride and silicon carbide combined kiln

Abstract

The utility model provides a waste heat utilization device for a silicon nitride and silicon carbide combined kiln, which relates to the technical field of waste heat utilization equipment and comprises an assembly channel, and flange structures are arranged at the front end and the rear end of the right side of the assembly channel; a switching movable mold is arranged in the middle of the assembling channel in a sliding mode, and two through grooves capable of being aligned with the flange structure are formed in the switching movable mold; heat exchange plates are arranged in the right through groove in a staggered mode and are in a corrugated shape, the adjacent heat exchange plates are staggered up and down, and the surfaces of the adjacent heat exchange plates are parallel. A switching movable mold is arranged, a waste heat utilization structure convenient to switch is provided, selective starting can be conducted according to needs, an electric cylinder is started through a program to push the switching movable mold to move, heat exchange plates are moved to the position aligned with a flange structure, then waste gas penetrates through intervals of the heat exchange plates, heat exchange with the heat exchange plates can be achieved, and the temperature is continuously increased; on the contrary, when the temperature is too high or heat exchange is abnormal, the program automatically controls the electric cylinder to reset, the heat exchange plate stops heat exchange, and the function of selecting work is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the waste heat utilization equipment technical field, more specifically, it is particularly related to a silicon nitride combined with silicon carbide kiln waste heat utilization device. BACKGROUND

[0002] The silicon nitride combined with silicon carbide kiln will discharge high-temperature exhaust gas when working, and these exhaust gases carry a large amount of heat energy, and direct discharge will waste heat, so generally a waste heat pipe is arranged outside the exhaust pipe to recover heat, and heat is recovered by using waste heat to heat water or other objects.

[0003] Based on the above, the waste heat utilization equipment currently used mainly adopts a rotating arrangement to absorb heat, and has low working efficiency, lacks a switchable heat exchange structure, is inconvenient to continuously increase the temperature as required, and is inconvenient to clean the waste residues and other substances accumulated at the heat exchange position after heat exchange. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a silicon nitride combined with silicon carbide kiln waste heat utilization device to solve the problems of the existing waste heat utilization equipment mainly adopting a rotating arrangement to absorb heat, low working efficiency, lack of a switchable heat exchange structure, inconvenience to continuously increase the temperature as required, and inconvenience to clean the waste residues and other substances accumulated at the heat exchange position after heat exchange.

[0005] The purpose and effect of the silicon nitride combined with silicon carbide kiln waste heat utilization device are achieved by the following specific technical means:

[0006] A silicon nitride combined with silicon carbide kiln waste heat utilization device, comprising an assembly channel, the right side of the assembly channel is flanked by flange structures; a switching dynamic model is slidably arranged in the middle of the assembly channel, two groups of through grooves capable of being aligned with the flange structures are formed in the switching dynamic model; heat exchange plates are arranged alternately in the right side through grooves, the heat exchange plates are corrugated, adjacent heat exchange plates are arranged alternately up and down, and the surfaces of adjacent heat exchange plates are parallel; an external frame is fixedly arranged on the right side of the assembly channel; the heat exchange plates are hollow structures, an inlet and outlet pipeline is connected to the right side of the switching dynamic model, and the pipeline is communicated to the inside of the heat exchange plates; a temperature rising pot is arranged, a circulation pipeline is arranged in the inner wall of the temperature rising pot, the circulation pipeline is provided with an input port and an output port outside the temperature rising pot, and a circulation pump is connected to the input port of the circulation pipeline; the inlet and outlet pipelines outside the switching dynamic model are connected to the output port of the temperature rising pot and the input end of the circulation pump, respectively; an electronic thermometer is arranged at the bottom of the rear flange structure.

[0007] Further, an electric cylinder is fixedly arranged on the top of the assembly channel, and the telescopic end of the electric cylinder is fixedly connected to the top right side of the switching dynamic model.

[0008] Furthermore, an input pipe is fixedly installed on the rear side of the external frame, a solenoid valve is connected to the top of the input pipe, and compressed air is connected to the other end of the solenoid valve; a water pump is connected to the outside of the input pipe.

[0009] Furthermore, an output tube is connected to the lower rear side of the external frame, and the output tube is aligned with the input tube.

[0010] Furthermore, a temperature sensor is also connected between the switching dynamic mode and the heating pot and the circulating pump.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The switching moving mold provides a convenient waste heat utilization structure that can be selectively activated as needed. The electric cylinder is activated by the program to move the switching moving mold, moving the heat exchange plate to a position aligned with the flange structure. Then, the exhaust gas passes through the gaps between the heat exchange plates and exchanges heat with the heat exchange plates to continuously increase the temperature. Conversely, when the temperature is too high or the heat exchange is abnormal, the program automatically controls the electric cylinder to reset, so that the heat exchange plate stops exchanging heat.

[0013] A heating pot is set up to utilize waste heat for heating. The inner wall of the heating pot is pre-filled with heat exchange oil. The circulation pump is started to circulate the oil. The heat exchange oil passes through the inside of the heat exchange plate and is heated by the waste heat of the exhaust gas. It then flows back to the heating pot to transfer heat and heat the pot, thus realizing the utilization of waste heat. Water or materials to be heated can be poured into the heating pot in advance to start heating.

[0014] In addition, the heat exchange plates can be cleaned by connecting a water pump to a water source, or by directly using a tap water connection valve instead of a water pump, and connecting the output pipe to a wastewater tank. First, open the solenoid valve to use compressed air to purge the heat exchange plates, then close the heat exchange plates, and input water into the external frame to flush through the gaps in the heat exchange plates. The wastewater is discharged from the output pipe into the wastewater tank, thus completing the cleaning and avoiding the accumulation of waste residue in the exhaust gas that could cause blockage of the gas path. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the working state of this utility model.

[0016] Figure 2 This is a utility model Figure 1 Another structural diagram from another angle.

[0017] Figure 3 This is a utility model Figure 1 A schematic diagram of the tilting structure.

[0018] Figure 4 This is a schematic diagram of the structure of this utility model in the stopped state.

[0019] Figure 5 is the utility model Figure 4 Another angle structure schematic view.

[0020] In the figure, the corresponding relationship of component name and drawing number is:

[0021] 1, assembly channel;101, electronic thermometer;2, switching dynamic model;201, heat exchange plate;3, electric cylinder;4, external frame;401, input pipe;402, electromagnetic valve;403, water pump;404, output pipe;5, temperature sensor;6, temperature rising pot;7, circulating pump. Specific embodiments

[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.

[0023] Example 1:

[0024] As shown in the accompanying Figure 1 to the accompanying Figure 5 As shown:

[0025] The utility model provides a kind of silicon nitride combines silicon carbide kiln waste heat utilization device, including assembly channel 1, the right side front and rear end of assembly channel 1 is flange structure;The middle sliding of assembly channel 1 is provided with switching dynamic model 2, is set in switching dynamic model 2 Two groups of through slot capable of being aligned with flange structure;Right side through slot is set with heat exchange plate 201 staggeredly, heat exchange plate 201 is corrugated, adjacent heat exchange plate 201 is staggered up and down, and the surface of adjacent heat exchange plate 201 is parallel;The right side of assembly channel 1 is fixedly provided with external frame 4;The inside of heat exchange plate 201 is hollow structure, the right side of switching dynamic model 2 is connected and is provided with inlet and outlet pipeline, pipeline is communicated to the inside of heat exchange plate 201;Temperature rising pot 6, temperature rising pot 6 is provided with circulation pipeline in inner wall, circulation pipeline is provided with input and output outside temperature rising pot 6, and circulation pump 7 is connected and set in the input of circulation pipeline;The inlet and outlet pipeline outside switching dynamic model 2 is connected with the output of temperature rising pot 6 and the input end of circulation pump 7 respectively;The bottom of rear flange structure is provided with electronic thermometer 101.

[0026] Among them, the top of assembly channel 1 is fixedly provided with electric cylinder 3, and the telescopic end of electric cylinder 3 is fixedly connected with the top right side of switching dynamic model 2.

[0027] Among them, the rear side of external frame 4 is fixedly provided with input pipe 401, and the top of input pipe 401 is connected and provided with electromagnetic valve 402, and the other end of electromagnetic valve 402 is connected with compressed air;Input pipe 401 is connected and provided with water pump 403 outside.

[0028] Among them, the rear side below of external frame 4 is connected and provided with output pipe 404, and output pipe 404 is aligned with input pipe 401 front and rear.

[0029] A temperature sensor 5 is also connected between the switching dynamic mold 2, the heating pot 6, and the circulating pump 7.

[0030] like Figures 1-5 As shown, when the kiln is working, the temperature of the exhaust gas is monitored by the electronic thermometer 101. When the temperature reaches the heat exchange set temperature, such as above 120 degrees, the waste heat can be automatically utilized. The electric cylinder 3 is started by the program to push the switching moving mold 2 to move the heat exchange plate 201 to the position aligned with the flange structure. Then the exhaust gas passes through the interval of each group of heat exchange plates 201 and exchanges heat with the heat exchange plates 201.

[0031] The inner wall of the heating pot 6 is pre-filled with heat exchange oil. The circulation pump 7 is started to circulate the oil. The heat exchange oil passes through the interior of the heat exchange plate 201 and is heated by the waste heat of the exhaust gas. It then flows back to the heating pot 6 to transfer heat and heat the heating pot 6, thus realizing the utilization of waste heat.

[0032] Simply pour water or place the materials to be heated into the heating pot 6 beforehand;

[0033] Temperature sensor 5 can monitor whether the heat exchange temperature is normal. When the temperature is too high or the heat exchange is abnormal, the program automatically controls the electric cylinder 3 to reset. Figures 4-5 The state of heat exchange plate 201 stops heat exchange.

[0034] Example 2:

[0035] Based on Example 1, the heating pot 6 can be directly replaced with other heat-using devices, such as water heaters or similar heat-using devices, to realize waste heat utilization.

[0036] Example 3:

[0037] Based on Example 1, when cleaning is required, connect water pump 403 to a water source, or directly use a tap water connection valve to replace water pump 403, and connect output pipe 404 to wastewater tank.

[0038] like Figures 4-5 Under the condition that the external frame 4 is aligned with the heat exchange plate 201, first open the solenoid valve 402 to use compressed air to purge the heat exchange plate 201, then close the heat exchange plate 201, and input water into the external frame 4 to flush through the gaps of the heat exchange plate 201. The wastewater is discharged from the output pipe 404 into the wastewater pool, which completes the cleaning and avoids the accumulation of waste residue in the exhaust gas causing blockage of the gas path.

[0039] The specific usage and function of this embodiment are as follows:

[0040] In this utility model, during use, the assembly channel 1 is fixedly connected to the exhaust pipe of the kiln through a flange structure;

[0041] When the kiln is working, the exhaust gas temperature is monitored by the electronic thermometer 101. When the temperature reaches the heat exchange set temperature, such as 120 degrees or above, the waste heat can be automatically utilized. The electric cylinder 3 is started by the program to push the switching movable die 2 to move, and the heat exchange plate 201 is moved to the position aligned with the flange structure. Then the exhaust gas passes through the interval of each group of heat exchange plates 201 and exchanges heat with the heat exchange plates 201.

[0042] The inner wall of the heating pot 6 is pre-set with heat exchange oil. The circulating pump 7 is started to circulate. The heat exchange oil passes through the inside of the heat exchange plate 201 and is heated by the waste heat. After returning to the heating pot 6, the heat is transferred to heat the heating pot 6, realizing the utilization of waste heat. Water or materials that need to be heated can be poured into the heating pot 6 in advance.

[0043] The temperature sensor 5 can monitor whether the heat exchange temperature is normal. When the temperature is too high or the heat exchange is abnormal, the program automatically controls the electric cylinder 3 to reset, such as Figures 4-5 The state makes the heat exchange plate 201 stop heat exchange.

[0044] When cleaning is needed, connect the water pump 403 to the water source or directly use the tap water to connect the valve instead of the water pump 403. Connect the output pipe 404 to the waste water pool. First, open the electromagnetic valve 402 to blow the heat exchange plate 201 with compressed air. Then close the heat exchange plate 201, input water into the external frame 4, and flush through the interval of the heat exchange plate 201. The waste water is discharged from the output pipe 404 into the waste water pool, which can complete the cleaning and avoid the accumulation of waste residues in the exhaust gas causing airway blockage.

Claims

1. A silicon nitride combined with silicon carbide kiln waste heat utilization device, characterized by, The utility model relates to a heat exchange device, including: The right side front and rear end of assembly channel (1) is flange structure, the middle slide of assembly channel (1) is equipped with switching dynamic mode (2), and two groups of through slots that can be aligned with the flange structure are set up in switching dynamic mode (2), and the right side through slot is equipped with heat exchange plate (201) staggeredly, heat exchange plate (201) is corrugated, and adjacent heat exchange plate (201) is staggered up and down, and the surface of adjacent heat exchange plate (201) is parallel, the right side of assembly channel (1) is fixedly equipped with external connection frame (4), the inside of heat exchange plate (201) is hollow structure, and the right side of switching dynamic mode (2) is connected and is equipped with inlet and outlet pipeline, and the pipeline is communicated to the inside of heat exchange plate (201), and the bottom of rear flange structure is equipped with electronic thermometer (101), The inner wall of temperature pot (6) is equipped with circulation pipeline, and the input and output of circulation pipeline are set up outside temperature pot (6), and the input of circulation pipeline is connected and is equipped with circulating pump (7), and the inlet and outlet pipeline outside switching dynamic mode (2) are connected the output of temperature pot (6) and the input end of circulating pump (7) respectively.

2. The device for utilizing waste heat of a kiln for producing silicon nitride and silicon carbide according to claim 1, wherein: The top of assembly channel (1) is fixedly equipped with electric cylinder (3), and the telescopic end of electric cylinder (3) is fixedly connected with the top right side of switching dynamic mode (2).

3. The device for utilizing waste heat of a silicon nitride and silicon carbide combined furnace as claimed in claim 1, wherein: The rear side of external connection frame (4) is fixedly equipped with input pipe (401), and the top of input pipe (401) is connected and is equipped with electromagnetic valve (402), and the other end of electromagnetic valve (402) is connected compressed air, Input pipe (401) is connected and is equipped with water pump (403) outside.

4. The apparatus for utilizing waste heat of a silicon nitride-silicon carbide combined furnace as claimed in claim 3, wherein: The rear side below of external connection frame (4) is connected and is equipped with output pipe (404), and output pipe (404) is aligned with input pipe (401) front and rear.

5. The device for utilizing waste heat of a kiln for producing silicon nitride and silicon carbide according to claim 1, wherein: Temperature sensor (5) is further connected and is equipped between the connecting place of switching dynamic mode (2) and temperature pot (6) and circulating pump (7).

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