CN209944751U - High temperature hot air or flue gas energy storage for heat transfer oil device - Google Patents

Abstract

The utility model discloses a high-temperature hot air or flue gas energy storage device for supplying heat-conducting oil, which comprises a thermal insulation shell, a thermal storage body, an air heater, a heat pipe heat exchanger and an oil tank, wherein the thermal storage body is installed in the thermal insulation shell The heat storage body is provided with an air duct, one end of the air duct is connected with the waste heat gas input pipe, the other end of the air duct is connected with the exhaust gas discharge pipe, and a heat conduction pipe is installed in the heat storage body from top to bottom, so The two ends of the heat-conducting pipe are respectively connected with the two ends of the circulating water circuit, the circulating water circuit is connected with the water supply pipe, the upper end of the heat-conducting pipe is connected with the heat pipe heat exchanger through the air heater, and the heat pipe heat exchanger is connected with the oil tank. The utility model is characterized in that the energy in the hot air and the flue gas can be collected and stored for the supply of the heat-conducting oil, which greatly saves the energy consumption and cost of making the heat-conducting oil, and at the same time, the high-temperature hot air or the flue gas can be cooled, which is convenient for discharging prior environmental treatment.

Description

High temperature hot air or flue gas energy storage for heat transfer oil device

technical field

The utility model relates to a heat-conducting oil device, in particular to a high-temperature hot air or flue gas energy storage device for supplying heat-conducting oil.

Background technique

At present, some specific industries will generate a large amount of high-temperature hot air and flue gas at night, and there is a demand for the supply of heat transfer oil during the day. At present, there is no way to store the waste heat of the previous night for use during the next day, resulting in a large amount of energy being destroyed. waste.

Utility model content

The purpose of this utility model is to overcome the above-mentioned deficiencies, and to provide a high-temperature hot air or flue gas energy storage device for supplying heat-conducting oil, which utilizes the heat-storage technology to store the heat energy of the high-temperature hot air or flue gas in the heat-storage material. When the oil is used, the heat stored in the heat storage material is used to generate heat transfer oil.

The technical scheme adopted by the present invention to achieve the above purpose is: a high-temperature hot air or flue gas energy storage device for supplying heat-conducting oil, comprising a thermal insulation shell, a heat storage body, an air heater, a heat pipe heat exchanger, and an oil tank. The heat body is installed in the thermal insulation shell, and the heat storage body is provided with an air duct, one end of the air duct is connected with the waste heat gas input pipe, and the other end of the air duct is connected with the exhaust gas discharge pipe. A heat-conducting pipe is installed at the bottom, the two ends of the heat-conducting pipe are respectively communicated with the two ends of the circulating water circuit, the circulating water circuit is communicated with the water supply pipe, the upper end of the heat-conducting pipe is communicated with the heat pipe heat exchanger through the air heater, and the heat pipe exchange The heater is connected to the oil tank.

Further, the air heater is provided with an air inlet and an air outlet, a heat dissipation pipe is provided in the air heater, two ends of the heat dissipation pipe are extended, and one end of the heat dissipation pipe is communicated with the heat transfer pipe, and the heat pipe is exchanged. One end of the heater is communicated with the air outlet of the air heater, and the other end is communicated with the second exhaust fan. The end of the heat pipe in the heat pipe heat exchanger is inserted in the oil tank.

Further, the upper end of the heat conduction pipe is communicated with the heat dissipation pipe of the air heater through a steam pipe.

Further, an exhaust fan 1 is installed on the exhaust gas discharge pipeline.

Further, a water pump is installed on the circulating water path.

Further, the air duct runs through the heat storage body from top to bottom.

Further, the heat transfer pipe runs through the heat storage body and the heat preservation shell from top to bottom.

The utility model is characterized in that: the energy in the hot air and the flue gas can be collected and stored for the supply of the heat-conducting oil, which greatly saves the energy consumption and cost of making the heat-conducting oil; prior environmental treatment.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Among them: 1. Insulation shell 2, heat storage body 3, air duct 4, waste heat gas input pipe 5, exhaust fan 1 6, exhaust gas discharge pipe 7, water supply pipe 8, heat conduction pipe 10, steam pipe 11, circulating water circuit 12, Water pump 13, air heater 1301, heat pipe 1302, air inlet 1303, air outlet 14, heat pipe heat exchanger 1401, heat pipe 15, exhaust fan 2 16, oil tank 1601, oil tank inlet 1602, oil tank outlet.

Detailed ways

As shown in FIG. 1 , the utility model is a high-temperature hot air or flue gas energy storage device for supplying heat-conducting oil, comprising a thermal insulation shell 1, a heat storage body 2, an air heater 13, a heat pipe heat exchanger 14, and an oil tank 16, The air heater 13 is provided with an air inlet 1302 and an air outlet 1303. The air heater 13 is provided with a heat dissipation pipe 1301, two ends of the heat dissipation pipe are extended, and one end of the heat pipe heat exchanger 14 is connected to the air heater. The air outlet 1303 of 13 is communicated, and the other end is communicated with the second exhaust fan 15. The second exhaust fan 15 is opposite to the air inlet 1302 of the air heater 13. The end of the heat pipe 1401 in the heat pipe heat exchanger 14 is arranged in the oil. In the tank 16, the oil tank 16 is provided with an oil tank inlet 1601 and an oil tank outlet 1602, the heat storage body 2 is installed in the thermal insulation shell 1, and the heat storage body 2 is provided with an air duct 3, the air duct 3 runs through the regenerator 2 from top to bottom, the lower end of the air duct 3 is communicated with the waste heat gas input pipe 4, the upper end of the air duct 3 is communicated with the exhaust gas discharge pipe 6, and an exhaust fan 5 is installed on the exhaust gas discharge pipe 6 The first exhaust fan 5 and the second exhaust fan 15 use variable frequency fans, and a heat transfer pipe 8 is inserted in the heat storage body 2, and the heat transfer pipe 8 runs through the heat storage body 2 and the heat preservation shell 1 from top to bottom, The heat transfer pipe 8 is made of stainless steel, and the two ends of the heat transfer pipe 8 are respectively connected with the two ends of the circulating water path 11. The water pump 12 is installed on the circulating water path 11. The water supply pipe 7 is located at the upper end of the heat conduction pipe 8 , and the upper end of the heat conduction pipe 8 communicates with one end of the heat dissipation pipe 1301 of the air heater 13 through the steam pipe 10 .

When high-temperature hot air or flue gas is discharged and it is not necessary to supply heat transfer oil, the high-temperature hot air or flue gas enters into the air duct 3 from the lower end of the heat storage body 2 through the waste heat gas input pipe 4, and heats the heat storage body 2 from bottom to top. , and then discharge from the exhaust gas discharge pipe 6 through the exhaust fan 1 5 according to the environmental protection requirements. In this process, the heat storage body 2 can be heated by the thermal energy of the high-temperature hot air or the flue gas. It flows down naturally through the heat pipe 8 running through the heat accumulator 2, most of the water vaporizes into steam in the process, and the steam enters the heat pipe 1301 of the air heater 13 through the steam pipe 10, and transfers heat to the heat pipe 1301 by convection The inner wall and the inner wall of the heat pipe 1301 then transfer the heat to the outer wall and the fins of the heat pipe 1301 through heat conduction. The outer wall and the fins of the heat pipe 1301 finally heat the surrounding air by forced convection and radiation. Under the action of 215, it enters the air heater 13 from the air inlet 1302, and then becomes high-temperature air. After the high-temperature air passes through the heat pipe 1401 of the heat pipe heat exchanger 14, the working fluid in the heat pipe 1401 and the heat transfer oil in the oil tank 16 generate heat. Exchange, so that the low-temperature heat-conducting oil entering from the oil tank inlet 1601 becomes the constant-temperature heat-conducting oil required by the heating terminal, and then flows from the oil tank outlet 1602 to the heating terminal, and the high-temperature hot air becomes With the continuous operation of the exhaust fan 2 15, the low-temperature hot air is discharged into the atmosphere, and the unvaporized water flows back to the circulating water path from the lower end of the guide pipe 8, and is re-pumped to the top by the water pump 12, and enters the heat-conducting pipe 8 again. ,recycle.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the technical solution and its inventive concept should be included within the protection scope of the present invention.

Claims (7)

1. The high-temperature hot air or flue gas energy storage supplies the heat conduction oil device, its characteristic is: including heat preservation casing, heat accumulator, air heater, heat pipe exchanger, oil tank, the heat accumulator is installed in the heat preservation casing, the wind channel has been seted up to the heat accumulator, wind channel one end and waste heat gas input pipeline intercommunication, the wind channel other end and exhaust emission pipeline intercommunication, the heat pipe has been inserted from top to bottom in the heat accumulator, the heat pipe both ends communicate with the both ends in circulation water route respectively, circulation water route and moisturizing pipe intercommunication, air heater and heat pipe exchanger intercommunication are passed through to the heat pipe upper end, heat pipe exchanger is connected with the oil tank.

2. The device for supplying heat-conducting oil by storing energy of high-temperature hot air or flue gas as claimed in claim 1, wherein: the air heater is provided with an air inlet and an air outlet, a radiating pipe is arranged in the air heater, the two ends of the radiating pipe stretch out, one end of the radiating pipe is communicated with the heat conduction pipe, one end of the heat pipe exchanger is communicated with the air outlet of the air heater, the other end of the heat pipe exchanger is communicated with the exhaust fan, and the end part of a heat pipe in the heat pipe exchanger is inserted into the oil tank.

3. The device for supplying heat-conducting oil by storing energy of high-temperature hot air or flue gas as claimed in claim 2, wherein: the upper end of the heat conducting pipe is communicated with the radiating pipe of the air heater through a steam pipeline.

4. The device for supplying heat-conducting oil by storing energy of high-temperature hot air or flue gas as claimed in claim 1, 2 or 3, wherein: and a first exhaust fan is arranged on the waste gas discharge pipeline.

5. The device for supplying heat-conducting oil by storing energy of high-temperature hot air or flue gas as claimed in claim 1, 2 or 3, wherein: and a water pump is arranged on the circulating water path.

6. The device for supplying heat-conducting oil by storing energy of high-temperature hot air or flue gas as claimed in claim 1, 2 or 3, wherein: the air duct penetrates through the heat accumulator from top to bottom.

7. The device for supplying heat-conducting oil by storing energy of high-temperature hot air or flue gas as claimed in claim 1, 2 or 3, wherein: the heat conduction pipe penetrates through the heat accumulator and the heat insulation shell from top to bottom.

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