Energy-saving gas heat-conducting oil furnace

Abstract

The utility model discloses an energy-saving gas heat-conducting oil furnace which comprises a heat-conducting oil tank and heat utilization equipment, a heat-conducting oil heater is arranged on the left side in the heat-conducting oil tank, a support block is fixedly connected to the lower side of the heat-conducting oil tank, and a high-level oil tank is fixedly connected to the upper portion of the heat-conducting oil tank. A waste heat recovery box is arranged on the upper portion of the heat conduction oil tank, a third oil pipe is arranged between the high-position oil tank and the waste heat recovery box, and a second valve is arranged on the outer side of the third oil pipe. Through the arrangement of the waste heat recovery box, the third oil pipe, the second valve, the eighth oil pipe and the fifth valve, when heat conduction oil in the heat conduction oil tank is cooled, discharged heat is collected, when the heat conduction oil in the heat conduction oil tank needs to be heated, the collected heat is used together with the heat conduction oil heater, and therefore part of fuel gas can be saved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-conducting oil furnaces, in particular to an energy-saving gas-fired heat-conducting oil furnace. Background Art

[0002] Thermal oil furnace, also known as organic heat carrier furnace, hot oil furnace, is an industrial heating equipment that uses thermal oil as heat transfer medium. It uses coal, oil, gas and other fuels or electricity to generate heat energy, and transfers heat to heat-using equipment or process through the circulation of high-temperature thermal oil in a closed system.

[0003] The existing thermal oil furnace has some disadvantages during use. During use, the temperature provided by the thermal oil furnace is different between different heat-using equipment, and there is a temperature difference. When the high temperature turns to the low temperature, the heat will be wasted. Utility Model Content

[0004] In order to overcome the deficiency of insufficient heat utilization in the prior art, one of the purposes of the utility model is to provide an energy-saving gas-fired thermal oil furnace.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an energy-saving gas-fired thermal oil furnace, comprising a thermal oil tank and heat-using equipment: a thermal oil heater is arranged on the left side of the thermal oil tank, a bracket block is fixedly connected to the lower side of the thermal oil tank, a high-position oil tank is fixedly connected to the upper part of the thermal oil tank, a waste heat recovery tank is arranged on the upper part of the thermal oil tank, an oil pipe 3 is arranged between the high-position oil tank and the waste heat recovery tank, a valve 2 is arranged on the outer side of the oil pipe 3, an oil pipe 8 is arranged between the thermal oil tank and the waste heat recovery tank, a valve 5 is arranged on the outer side of the oil pipe 8, an oil pipe 5 is fixedly connected to the left side of the thermal oil tank, a circulating oil pump is arranged on the outer side of the oil pipe 5, and an oil pipe 6 is fixedly connected to the left end of the oil pipe 5. It is conducive to recovering heat for multiple uses.

[0006] According to the energy-saving gas-fired thermal oil furnace, the upper part of the high-position oil tank is fixedly connected with an oil pipe 1, the other end of the oil pipe 1 is fixedly connected with an oil-gas separator, the lower end of the oil-gas separator is fixedly connected with an oil pipe 2, the lower end of the oil pipe 2 is fixedly connected with a thermal oil tank, and a valve 1 is arranged outside the oil pipe 2. This is beneficial for controlling the amount of thermal oil used.

[0007] According to the energy-saving gas-fired thermal oil furnace, an oil tank opening is provided on the upper side of the high-position oil tank, so as to facilitate the pouring of thermal oil into the high-position oil tank.

[0008] According to the energy-saving gas-fired thermal oil furnace, a thermal oil outlet is provided at the front side of the thermal oil tank, so as to conveniently pour out the waste thermal oil.

[0009] According to the energy-saving gas-fired thermal oil furnace, an electric pump is arranged outside the oil pipe 1, which is beneficial for the circulation of the thermal oil in the closed system.

[0010] According to the energy-saving gas-fired thermal oil furnace, the oil pipe 6 is fixedly connected to the heat-using equipment, and a valve 3 is arranged outside the oil pipe 6, which is beneficial to control the amount of thermal oil intake.

[0011] According to the energy-saving gas-fired thermal oil furnace, an oil pipe 4 is arranged outside the oil-gas separator, and the other end of the oil pipe 4 is fixedly connected to an oil pipe 7, so as to facilitate the circulation of the thermal oil.

[0012] According to the energy-saving gas-fired thermal oil furnace, the other end of the oil pipe 7 is fixedly connected to the heat-using equipment, and a valve 4 is arranged outside the oil pipe 7, which is beneficial to the circulation and heating of the thermal oil.

[0013] The above scheme has the beneficial effect: through the setting of the waste heat recovery box, oil pipe three, valve two, oil pipe eight and valve five, when the heat transfer oil in the heat transfer oil tank is cooled, the discharged heat is collected, and when the heat transfer oil in the heat transfer oil tank needs to be heated, the collected heat is used together with the oil heat heater, which can save some gas.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram of the front structure of an energy-saving gas-fired thermal oil furnace of the utility model;

[0017] Figure 2 This is a front cross-sectional structural schematic diagram of an energy-saving gas-fired thermal oil furnace of the utility model;

[0018] Figure 3 This is a schematic diagram of the side structure of an energy-saving gas-fired thermal oil furnace of the utility model;

[0019] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0020] Legend:

[0021] 1. Thermal oil tank; 2. Bracket block; 3. High-position oil tank; 4. Oil pipe one; 5. Electric pump; 6. Oil-gas separator; 7. Oil pipe two; 8. Valve one; 9. Oil pipe three; 10. Valve two; 11. Waste heat recovery box; 12. Oil pipe four; 13. Oil pipe five; 14. Circulating oil pump; 15. Oil pipe six; 16. Valve three; 17. Heat-using equipment; 18. Oil pipe seven; 19. Valve four; 20. Thermal oil heater; 21. Oil pipe eight; 22. Valve five; 23. Oil tank port; 24. Thermal oil outlet. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 , an energy-saving gas-fired thermal oil furnace, comprising a thermal oil tank 1 and a heat-using device 17: a thermal oil heater 20 is arranged on the left side inside the thermal oil tank 1, a bracket block 2 is fixedly connected to the lower side of the thermal oil tank 1, a high-position oil tank 3 is fixedly connected to the upper part of the thermal oil tank 1, a waste heat recovery tank 11 is arranged on the upper part of the thermal oil tank 1, an oil pipe 3 9 is arranged between the high-position oil tank 3 and the waste heat recovery tank 11, a valve 2 10 is arranged on the outer side of the oil pipe 3 9, an oil pipe 8 21 is arranged between the thermal oil tank 1 and the waste heat recovery tank 11, a valve 5 22 is arranged on the outside of the oil pipe 8 21, an oil pipe 5 13 is fixedly connected to the left side of the thermal oil tank 1, a circulating oil pump 14 is arranged on the outside of the oil pipe 5 13, and the left end of the oil pipe 5 13 is fixedly connected to the oil pipe Six 15, the PLC controller is electrically connected to the electric pump 5, the oil-gas separator 6, the waste heat recovery box 11, the circulating oil pump 14, and the thermal oil heater 20, so as to facilitate the operation of the control components. When the thermal oil furnace needs to be cooled down, open valve two 10 and valve five 22 to allow the waste heat recovery box 11 to collect heat from the oil pipe eight 21 and the oil pipe three 9 and store it until the temperature of the thermal oil in the thermal oil tank 1 reaches the target temperature. When the thermal oil furnace supplies heat to another heat-using equipment 17 that requires a higher temperature, in addition to using the thermal oil heater 20 for heating, the waste heat recovery box 11 can also be used to transfer the collected heat to the thermal oil in the thermal oil tank 1, and collect the heat of the temperature difference between high and low temperatures for use, which can save some gas.

[0024] The upper part of the high-position oil tank 3 is fixedly connected with an oil pipe 14, the other end of the oil pipe 14 is fixedly connected with an oil-gas separator 6, an electric pump 5 is arranged outside the oil pipe 14, the lower end of the oil-gas separator 6 is fixedly connected with an oil pipe 27, the lower end of the oil pipe 27 is fixedly connected with a heat-conducting oil tank 1, a valve 18 is arranged outside the oil pipe 27, an oil tank port 23 is opened on the upper side of the high-position oil tank 3, a heat-conducting oil outlet 24 is opened on the front side of the heat-conducting oil tank 1, the oil pipe 6 15 is fixedly connected to the heat-using equipment 17, and the oil pipe 6 The other end of the oil pipe 15 is fixedly connected to the heat-using device 17, a valve 3 16 is arranged outside the oil pipe 6, an oil pipe 4 12 is arranged outside the oil-gas separator 6, the other end of the oil pipe 4 12 is fixedly connected to the oil pipe 7 18, the other end of the oil pipe 7 18 is fixedly connected to the heat-using device 17, and a valve 4 19 is arranged outside the oil pipe 7 18. When the heat-conducting oil furnace starts to work, close the valve 2 10 and the valve 5 22, pour the heat-conducting oil from the oil tank port 23, and start the electric pump 5 after it is full to pump the heat-conducting oil from the oil tank port 23. The oil pipe 1 4 is transmitted to the oil-gas separator 6, the oil-gas separator 6 is started, the heat transfer oil is transmitted to the oil pipe 2 7, the valve 1 8 is opened, the heat transfer oil is transmitted to the heat transfer oil tank 1, when the heat transfer oil is sufficient, the heat transfer oil heater 20 is started to heat the heat transfer oil, and after it reaches a certain temperature, the circulating oil pump 14 is started to transmit the heat transfer oil to the oil pipe 5 13 and the oil pipe 6 15, the valve 3 16 is opened, the heat transfer oil is transmitted from the low position of the heat-using equipment 17, and then transmitted from the high position of the heat-using equipment 17 to the oil pipe 7 18, Open valve four 19, the heat transfer oil is transmitted to oil pipe four 12, and then transmitted from oil pipe four 12 to oil-gas separator 6, the high-temperature gas floats into the upper part to the high-position oil tank 3, and the heat transfer oil enters the heat transfer oil tank 1 from oil pipe two 7, thereby forming a closed circulation system, and the circulation oil pump 14 drives the operation of the entire system. When the heat transfer oil reaches the scrap condition, open the heat transfer oil outlet 24, pour out the waste heat transfer oil, and replace it with new heat transfer oil. If the heat transfer oil does not reach the scrap condition, close the heat transfer oil outlet 24.

[0025] Working principle: When the thermal oil furnace is working, a heating circulation system is formed by oil pipe 1 4, oil-gas separator 6, oil pipe 2 7, oil pipe 4 12, oil pipe 5 13, circulating oil pump 14, oil pipe 6 15, oil pipe 7 18 and thermal oil heater 20. The circulating oil pump 14 is used to transmit the thermal oil. When the thermal oil furnace turns to low temperature, the waste heat recovery box 11 is started to recover heat. When the thermal oil furnace works at high temperature again, the heat in the waste heat recovery box 11 and the thermal oil heater 20 are used to heat the heating oil. In this way, the wasted heat is reused and the fuel of the thermal oil heater 20 is saved.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An energy-saving gas-fired thermal oil furnace, characterized in that: The invention comprises a heat-conducting oil tank (1) and a heat-using device (17): a heat-conducting oil heater (20) is arranged on the left side of the interior of the heat-conducting oil tank (1), a bracket block (2) is fixedly connected to the lower side of the heat-conducting oil tank (1), a high-position oil tank (3) is fixedly connected to the upper part of the heat-conducting oil tank (1), a waste heat recovery tank (11) is arranged on the upper part of the heat-conducting oil tank (1), and an oil pipe (9) is arranged between the high-position oil tank (3) and the waste heat recovery tank (11). A valve two (10) is arranged on the outside of the oil pipe three (9), an oil pipe eight (21) is arranged between the thermal oil tank (1) and the waste heat recovery tank (11), a valve five (22) is arranged on the outside of the oil pipe eight (21), an oil pipe five (13) is fixedly connected to the left side of the thermal oil tank (1), a circulating oil pump (14) is arranged on the outside of the oil pipe five (13), and an oil pipe six (15) is fixedly connected to the left end of the oil pipe five (13).

2. The energy-saving gas-fired thermal oil furnace according to claim 1, characterized in that: The upper part of the high-position oil tank (3) is fixedly connected to an oil pipe (4), the other end of the oil pipe (4) is fixedly connected to an oil-gas separator (6), the lower end of the oil-gas separator (6) is fixedly connected to an oil pipe (7), the lower end of the oil pipe (7) is fixedly connected to a heat transfer oil tank (1), and a valve (8) is provided outside the oil pipe (7).

3. The energy-saving gas-fired thermal oil furnace according to claim 1, characterized in that: An oil tank opening (23) is provided on the upper side of the high-position oil tank (3).

4. The energy-saving gas-fired thermal oil furnace according to claim 1, characterized in that: A heat transfer oil outlet (24) is provided on the front side of the heat transfer oil tank (1).

5. The energy-saving gas-fired thermal oil furnace according to claim 2, characterized in that: An electric pump (5) is arranged outside the oil pipe 1 (4).

6. The energy-saving gas-fired thermal oil furnace according to claim 1, characterized in that: The oil pipe six (15) is fixedly connected to the heat-using device (17), and a valve three (16) is arranged outside the oil pipe six (15).

7. The energy-saving gas-fired thermal oil furnace according to claim 2, characterized in that: An oil pipe four (12) is arranged outside the oil-gas separator (6), and the other end of the oil pipe four (12) is fixedly connected to an oil pipe seven (18).

8. The energy-saving gas-fired thermal oil furnace according to claim 7, characterized in that: The oil pipe seven (18) is fixedly connected to the heat-using device (17), and a valve four (19) is arranged outside the oil pipe seven (18).

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