CN117109182A - Liquefied gas heat conduction oil heater - Google Patents

Abstract

The invention discloses a liquefied gas heat-conducting oil heater, which comprises a cylindrical shell, wherein a gas burner is arranged at the center of one end of the cylindrical shell, an exhaust pipe is arranged on the side wall of the cylindrical shell, the output end of the gas burner stretches into the cylindrical shell, a plurality of first oil delivery pipes and second oil delivery pipes which are distributed on the periphery of the output end of the gas burner in a ring shape are coaxially arranged in the cylindrical shell, and rolling-over assemblies which enable the first oil delivery pipes and the second oil delivery pipes to be uniformly heated are arranged on the end parts of the first oil delivery pipes and the second oil delivery pipes; according to the invention, the side walls of the first oil delivery pipe and the second oil delivery pipe can be uniformly heated by flame sprayed out from the output end of the gas burner through the rolling-over assembly, so that the uniformity of heat absorption of heat conduction oil flowing in the first oil delivery pipe and the second oil delivery pipe is effectively improved, and the problem that impurity bonding is easy to form on the inner walls of the first oil delivery pipe and the second oil delivery pipe and the heat transfer efficiency is reduced due to insufficient heating of the heat conduction oil is avoided.

Description

A kind of liquefied gas thermal oil heater

Technical field

The present invention relates to the technical field of thermal oil heaters, and in particular to a liquefied gas thermal oil heater.

Background technique

The liquefied gas thermal oil heater uses gas combustion as the heat source to heat the thermal oil, uses the thermal oil as the medium, uses a circulation pump to force the thermal oil to circulate in the liquid phase, and transfers heat to one or more heating devices. After the equipment is unloaded, it passes through the circulation pump again, returns to the heater, absorbs heat, and transfers it to the heat-using equipment, thereby realizing cyclic transfer of heat.

Existing liquefied gas heat transfer oil heaters generally include an outer cylinder. A plurality of annular flow tubes are installed inside the outer cylinder. These annular flow tubes are arranged in an array and distributed along the length of the outer cylinder. The heat transfer oil passes through the annular flow tubes. One end of the input is input and flows in the annular flow tube. The flame output end of the gas burner extends into the inside of the outer cylinder. The gas burner erupts flames to heat the heat-conducting oil in the annular tube. The high-temperature heat-conducting oil is output to transfer heat; the above-mentioned current situation During use of some liquefied gas heat transfer oil heaters, heat transfer is mainly performed through the side walls of the flow tubes to heat the heat transfer oil. However, since the heat transfer oil flow pipes are fixed inside the outer cylinder, the flame ejected by the gas burner can only Heating a single side of the flow tube causes the temperature of the side close to the flame in the flow tube to be higher than the temperature of the side far away from the flame, resulting in uneven heat transfer of the flow tube to the heat transfer oil, thus affecting the uniformity of heating of the heat transfer oil. , it is easy to cause impurities to form on the inner wall of the flow tube and reduce the heat transfer efficiency.

Therefore, it is necessary to provide a liquefied gas heat transfer oil heater to solve the above technical problems.

Contents of the invention

The object of the present invention is to provide a liquefied gas heat transfer oil heater to solve the problem that the heat transfer of the flow tube to the heat transfer oil in the above background technology is not uniform enough, thereby affecting the uniformity of heating of the heat transfer oil, and easily causing the inner wall of the flow tube to easily form Impurity bonding reduces heat transfer efficiency.

In order to achieve the above objects, the present invention solves the above technical problems as follows: a liquefied gas heat transfer oil heater, including a cylindrical shell and a gas burner installed at one end of the cylindrical shell. A plurality of first oil delivery pipes and second oil delivery pipes are distributed annularly around the output end of the gas burner along its length. Rollover assemblies are provided on the ends of the first and second oil delivery pipes.

As a further solution of the present invention, the plurality of first oil pipelines surround the periphery of the plurality of second oil pipelines, and the plurality of first oil pipelines and the plurality of second oil pipelines are distributed in a staggered manner.

As a further solution of the present invention, the rolling assembly includes a plurality of No. 1 rotating seats fixed on the inner wall of one end of the cylindrical housing away from the gas burner, and the two ends of the plurality of first oil delivery pipes rotate with the No. 1 rotating seats respectively. The seat is rotatably connected to the end side of the cylindrical shell. The end of the cylindrical shell away from the gas burner is provided with a rotating ring ring. The inner ring side of the ring ring is provided with meshing teeth. The first The end of the oil delivery pipe is fixed with a No. 1 gear meshingly connected with the meshing teeth.

As a further solution of the present invention, a plurality of No. 1 gears are provided, and the plurality of No. 1 gears are separated from each other and are all meshed with meshing teeth.

As a further solution of the present invention, a plurality of No. 2 rotating seats are fixed on the inner wall of the cylindrical shell, and the two ends of the plurality of second oil pipes rotate with the No. 2 rotating seats and the end sides of the cylindrical shell respectively. Connection, the end of the second oil delivery pipe is fixed with the No. 2 gear meshingly connected with the No. 1 gear.

As a further solution of the present invention, a plurality of second gears are provided, and the plurality of second gears are spaced apart from each other.

As a further solution of the present invention, a distribution component is provided in the middle of the second oil pipeline. The distribution component includes a heat conduction plate fixed in the middle of the second oil pipeline. Two heat conduction plates are provided inside the heat conduction plate and are distributed on both sides of the heat conduction plate. The thermal conductive plate has a communication cavity connected to the second oil pipe at one end and a plurality of flow cavities connected to the two communication cavities. The cross-sectional area of the flow cavity is smaller than the inner diameter of the second oil pipe.

As a further solution of the present invention, there are multiple flow chambers, and the plurality of flow chambers are equidistantly distributed.

As a further solution of the present invention, the entire flow chamber is arranged in a curve shape.

Compared with the prior art, the beneficial effect of the present invention is that the rolling assembly drives a plurality of first oil pipes and second oil pipes to be turned over synchronously and continuously, so that the side walls of the first oil pipes and the second oil pipes can be burned by gas. The flame ejected from the output end of the device is evenly heated, thereby effectively improving the uniformity of heat absorption of the heat transfer oil flowing inside the first oil pipe and the second oil pipe, effectively improving the overall heat transfer oil heating efficiency, and at the same time preventing the heat transfer oil from being heated unevenly, resulting in the second The inner walls of the first oil pipe and the second oil pipe are prone to bonding of impurities that reduce heat transfer efficiency. The heat transfer oil inside the heat transfer plate is diverted through multiple flow chambers with cross-sectional areas smaller than the inner diameter of the second oil pipe. At the same time, the second oil pipe drives the heat conduction. The plate continues to turn over, and the curved flow chamber set up effectively increases the flow path of the heat transfer oil, thereby further improving the uniformity of heat absorption of the heat transfer oil without affecting the output per unit time.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples:

Figure 1 is a perspective view of the overall structure of the present invention;

Figure 2 is a schematic diagram of the partial structure of the liquid outlet plate of the present invention;

Figure 3 is a schematic diagram of the internal structure of the cylindrical shell of the present invention;

Figure 4 is an enlarged view of the structure at point A in Figure 2;

Figure 5 is a partial structural diagram of the rollover assembly of the present invention;

Figure 6 is a schematic diagram of the internal cross-sectional structure of the cylindrical shell of the present invention;

Figure 7 is a partial structural diagram of the No. 2 gear of the present invention;

Figure 8 is a partial structural schematic diagram of the No. 1 rotating base and the No. 2 rotating base of the present invention;

Figure 9 is a schematic structural diagram of the heat conduction plate and the second oil pipeline of the present invention;

Figure 10 is a schematic diagram of the internal structure of the thermal conductive plate of the present invention.

In the drawings, the parts represented by each number are listed as follows:

1. Rolling component; 101. Ring gear; 102. Gear No. 1; 103. Meshing teeth; 104. Rotating seat No. 1; 105. Bearing No. 1; 106. Gear No. 2; 107. Rotating seat No. 2; 3. Points Transmission assembly; 301, heat conduction plate; 302, flow chamber; 303, communication chamber; 4, cylindrical shell; 5, liquid inlet plate; 6, motor; 7, No. 3 gear; 8, support plate; 9, liquid outlet plate; 10. Output pipe; 11. Input pipe; 12. No. 2 bearing; 13. Gas burner; 14. Liquid inlet annular cavity; 15. First oil pipe; 16. Second oil pipe; 17. Liquid outlet annular cavity.

Detailed ways

The present invention will be further described below in conjunction with examples.

Please refer to Figures 1-10. The present invention provides a liquefied gas thermal oil heater, which includes a cylindrical shell 4. A gas burner 13 is installed at the center of one end of the cylindrical shell 4 and the side wall of the cylindrical shell 4 An exhaust pipe is installed on the gas burner 13, and the output end of the gas burner 13 extends into the interior of the cylindrical housing 4. The interior of the cylindrical housing 4 is coaxially provided with a plurality of annularly distributed first pipes around the output end of the gas burner 13. The oil delivery pipe 15 and the second oil delivery pipe 16 are provided with a tumbling assembly 1 on the ends of the first oil delivery pipe 15 and the second oil delivery pipe 16 so that the first oil delivery pipe 15 and the second oil delivery pipe 16 can be flipped over and evenly heated. The two ends of the cylindrical housing 4 are respectively A liquid inlet plate 5 and a liquid outlet plate 9 are provided. The liquid inlet plate 5 and the liquid outlet plate 9 are respectively provided with a liquid inlet annular cavity 14 and a liquid outlet annular cavity 17. Both sides of a plurality of first oil pipes 15 and second oil pipes 16 are provided. The ends are respectively connected with the liquid inlet annular cavity 14 and the liquid outlet annular cavity 17. The sides of the liquid inlet plate 5 and the liquid outlet plate 9 are respectively fixed with the input pipe 11 and the output pipe connected with the liquid inlet annular cavity 14 and the liquid outlet annular cavity 17. Pipe 10; when in use, the oil pump transports the heat transfer oil into the liquid inlet annular chamber 14 through the input pipe 11, and the heat transfer oil is then divided and transported to the interior of a plurality of first oil pipelines 15 and second oil pipelines 16, and the output of the gas burner 13 The gas and air are mixed and ignited to form a jet flame to heat the heat transfer oil inside the first oil pipeline 15 and the second oil pipeline 16. The heat transfer oil absorbs heat during the flow process inside the first oil pipeline 15 and the second oil pipeline 16. The input liquid is collected inside the outlet annular cavity 17 and then collectively exported through the output pipe 10 . During the heat absorption process of the heat transfer oil inside the first oil pipe 15 and the second oil pipe 16 , the tumbling assembly 1 drives multiple first oil pipes 15 and second oil pipes 15 . The oil pipe 16 is synchronously and continuously turned over, so that the side walls of the first oil pipe 15 and the second oil pipe 16 can be evenly heated by the flame ejected from the output end of the gas burner 13, thereby effectively improving the efficiency of the first oil pipe 15 and the second oil pipe. The uniformity of heat absorption of the heat transfer oil flowing inside 16 avoids the problem that the heat transfer oil is not heated evenly, causing impurities to adhere to the inner walls of the first oil pipe 15 and the second oil pipe 16 and reducing the heat transfer efficiency.

As further shown in FIGS. 3 , 4 and 5 , it is worth describing in detail that the plurality of first oil pipes 15 surround the periphery of the plurality of second oil pipes 16 , and the plurality of first oil pipes 15 and the plurality of second oil pipes 16 The plurality of first oil pipes 15 and the plurality of second oil pipes 16 are distributed in an annular misalignment, so that the first oil pipes 15 and the second oil pipes 16 can be arranged as much as possible while avoiding the problem of the second oil pipes 16 being blocked. The heating efficiency of the second oil delivery pipe 16 is ensured.

As further shown in Figures 3, 4, 5, 7 and 8, it is worth mentioning in detail that the rollover assembly 1 includes a plurality of components fixed on the inner wall of the end of the cylindrical housing 4 away from the gas burner 13. The No. 1 rotating base 104 and the two ends of the plurality of first oil pipes 15 are respectively rotatably connected to the No. 1 rotating base 104 and the end side of the cylindrical shell 4. A No. 1 number is fixed on the end of the cylindrical shell 4 away from the gas burner 13. Bearing 105, the end of the cylindrical housing 4 is rotatably connected to a toothed ring 101 through the No. 1 bearing 105, a motor 6 is fixed on the outer wall of the cylindrical housing 4, and the output end of the motor 6 is fixed with a toothed ring 101 that meshes with the toothed ring 101. The connected No. 3 gear 7 and the inner ring side of the ring gear 101 are provided with meshing teeth 103, and the end of the first oil pipe 15 is fixed with the No. 1 gear 102 meshingly connected with the meshing teeth 103; between the first oil pipe 15 and the third When the heat transfer oil inside the second oil pipe 16 absorbs heat, the motor 6 is started to work. The output end of the motor 6 drives the No. 3 gear 7 to rotate. The No. 3 gear 7 drives the ring gear 101 to rotate. The ring gear 101 rotates through the meshing teeth. 103 drives the No. 1 gear 102 to rotate, thereby driving the first oil pipe 15 to continuously flip, so that the side wall of the first oil pipe 15 can be evenly heated by the flame ejected from the output end of the gas burner 13, thereby effectively improving the efficiency of the first oil pipe 15 The uniformity of heat absorption of the internally flowing heat transfer oil avoids the problem that impurities are easily formed on the inner walls of the first oil pipe 15 and the second oil pipe 16 due to uneven heating of the heat transfer oil, which reduces the heat transfer efficiency.

As further shown in Figures 4 and 5, it is worth explaining in detail that there are multiple No. 1 gears 102, and the plurality of No. 1 gears 102 are separated from each other and are all meshed with the meshing teeth 103; the rotating ring gear 101 is meshed The teeth 103 drive the plurality of No. 1 gears 102 to rotate synchronously, so that the plurality of No. 1 gears 102 drive the plurality of first oil pipes 15 to rotate synchronously and continuously, so that the heat transfer oil flowing inside the plurality of first oil pipes 15 can be Absorb heat evenly and increase the output of thermal oil after uniform heat exchange in a short time.

As further shown in Figures 5, 7 and 8, it is worth explaining in detail that a plurality of No. 2 rotating seats 107 are fixed on the inner wall of the cylindrical housing 4, and the two ends of the plurality of second oil pipes 16 are respectively connected with the two The No. 1 rotating base 107 is rotatably connected to the end side of the cylindrical housing 4. The No. 2 gear 106 is fixed on the end of the second oil pipe 16 and is meshed with the No. 1 gear 102; when the No. 1 gear 102 rotates, the No. 2 gear 106 is driven. By rotating, the No. 2 gear 106 drives the second oil pipe 16 to flip, so that the side wall of the second oil pipe 16 can be evenly heated by the flame ejected from the output end of the gas burner 13, thereby effectively improving the heat conduction of the flow inside the second oil pipe 16. Uniformity of heat absorption by oil.

As further shown in FIGS. 5 and 7 , it is worth describing in detail that there are multiple No. 2 gears 106 , and the plurality of No. 2 gears 106 are spaced apart from each other; the plurality of No. 2 gears 106 drive a plurality of second oil pipelines. 16 rotate synchronously, so that the heat transfer oil flowing inside the plurality of second oil delivery pipes 16 can absorb heat evenly, further increasing the output of the heat transfer oil after uniform heat exchange in a short time.

As further shown in Figures 3, 6, 9 and 10, it is worth describing in detail that a distribution component 3 is provided in the middle of the second oil pipeline 16, and the distribution component 3 includes a thermal conductive element fixed in the middle of the second oil pipeline 16. Plate 301, the heat conduction plate 301 is provided with two communication chambers 303 distributed at both ends of the heat conduction plate 301 and connected with the second oil pipe 16, and the heat conduction plate 301 is provided with a plurality of flow chambers 302 connected with the two communication cavities 303. , the cross-sectional area of the flow chamber 302 is smaller than the inner diameter of the second oil pipe 16; when the heat transfer oil flows in the second oil pipe 16, the heat transfer oil is input into the communication cavity 303, and is transported to the inside of the flow cavity 302 through the communication cavity 303. Due to the flow The cross-sectional area of the cavity 302 is smaller than the inner diameter of the second oil pipe 16, thereby reducing the flow cross section of the heat transfer oil. At the same time, the second oil pipe 16 drives the heat transfer plate 301 to continuously flip, further improving the heat absorption uniformity of the heat transfer oil inside the heat transfer plate 301.

As further shown in FIG. 10 , it is worth describing in detail that there are multiple flow chambers 302 , and the plurality of flow chambers 302 are equidistantly distributed; the heat transfer oil inside the heat transfer plate 301 is diverted through the multiple flow chambers 302 , so that The heat absorption and heating efficiency of the heat transfer oil inside the heat transfer plate 301 is improved without affecting the output per unit time.

As further shown in Figure 10, it is worth specifically explaining that the flow chamber 302 is arranged in a curve as a whole; during specific operation, the flow chamber 302 arranged in a curve effectively increases the flow path of the heat transfer oil and further improves the absorption of the heat transfer oil. Thermal heating efficiency.

As further shown in Figures 1, 2 and 4, it is worth explaining in detail that the No. 2 bearing 12 is fixed on the side of the liquid inlet plate 5 close to the toothed ring 101. The liquid inlet plate 5 is connected to the toothed ring through the No. 2 bearing 12. 101 is rotatably connected, and two symmetrically distributed support plates 8 are fixed on the bottom outer wall of the cylindrical shell 4.

This solution has the following working process: the oil pump transports the heat transfer oil into the liquid inlet annular cavity 14 through the input pipe 11, and then the heat transfer oil is divided and transported to the interior of a plurality of first oil transfer pipes 15 and second oil transfer pipes 16. The output of the gas burner 13 The gas and air are mixed and ignited to form a jet flame to heat the heat transfer oil inside the first oil pipeline 15 and the second oil pipeline 16. The heat transfer oil absorbs heat during the flow process inside the first oil pipeline 15 and the second oil pipeline 16. The input is collected inside the outlet annular cavity 17 and then collectively exported through the output pipe 10. During the heat absorption process of the heat transfer oil inside the first oil pipe 15 and the second oil pipe 16, the motor 6 is started to work, and the output end of the motor 6 drives No. 3 Gear 7 rotates, and No. 3 gear 7 drives the ring gear 101 to rotate. When the ring ring 101 rotates, it drives a plurality of No. 1 gears 102 to rotate through the meshing teeth 103, thereby driving a plurality of first oil pipelines 15 to continuously flip, so that the first oil pipes 15 are continuously turned over. The side wall of an oil pipe 15 can be evenly heated by the flame ejected from the output end of the gas burner 13. When the plurality of No. 1 gears 102 rotate, they drive the No. 2 gears 106 to rotate, and the No. 2 gears 106 drive a plurality of second oil pipes 16 to flip. , so that the side wall of the second oil pipe 16 can be evenly heated by the flame ejected from the output end of the gas burner 13, thereby effectively improving the uniformity of heat absorption of the heat transfer oil flowing inside the first oil pipe 15 and the second oil pipe 16, and the heat transfer oil When flowing in the second oil delivery pipe 16, the heat transfer oil is input into the communication cavity 303, and is transported to the flow cavity 302 through the communication cavity 303. The heat transfer oil inside the heat transfer plate 301 is carried out through a plurality of curved flow cavities 302. Diversion, since the cross-sectional area of the flow chamber 302 is smaller than the inner diameter of the second oil pipe 16, the flow cross section of the heat transfer oil is reduced. At the same time, the second oil pipe 16 drives the heat transfer plate 301 to continue to flip, further improving the absorption of the heat transfer oil inside the heat transfer plate 301. Thermal uniformity.

In summary: the rolling assembly 1 drives a plurality of first oil pipes 15 and second oil pipes 16 to be turned over synchronously and continuously, so that the side walls of the first oil pipes 15 and the second oil pipes 16 can receive the ejection from the output end of the gas burner 13 The flame evenly heats, thereby effectively improving the uniformity of heat absorption of the heat transfer oil flowing inside the first oil pipe 15 and the second oil pipe 16, and preventing the heat transfer oil from being heated unevenly and causing impurities to easily form on the inner walls of the first oil pipe 15 and the second oil pipe 16. To solve the problem of lowering the heat transfer efficiency, the heat transfer oil is divided in a curve shape through the distribution component 3, which reduces the flow cross section of the heat transfer oil. At the same time, the second oil delivery pipe 16 drives the heat transfer plate 301 to continue to flip, further improving the absorption of the heat transfer oil. Thermal uniformity.

The gas burner 13 can be purchased from the market. It is a mature technology in this field and has been fully disclosed, so the details will not be repeated in the specification.

Claims (9)

1. A liquefied gas heat transfer oil heater, comprising a cylindrical shell and a gas burner installed at one end of the cylindrical shell, characterized in that the interior of the cylindrical shell has a plurality of gas burners distributed along its length direction. A first oil delivery pipe and a second oil delivery pipe are annularly distributed around the output end of the gas burner. Rollover assemblies are provided on the ends of the first oil delivery pipe and the second oil delivery pipe. 2. The liquefied gas thermal oil heater according to claim 1, wherein a plurality of first oil pipes surround a plurality of second oil pipes, and a plurality of first oil pipes and a plurality of second oil pipes Displaced distribution. 3. The liquefied gas thermal oil heater according to claim 1, wherein the rolling assembly includes a plurality of No. 1 rotating seats fixed on the inner wall of the end of the cylindrical housing away from the gas burner, and a plurality of No. 1 rotating seats. The two ends of the first oil pipe are rotatably connected to the No. 1 rotating seat and the end side of the cylindrical shell respectively. The end of the cylindrical shell away from the gas burner is provided with a rotating ring ring. Meshing teeth are provided on the side of the inner ring, and a No. 1 gear meshingly connected with the meshing teeth is fixed on the end of the first oil pipe. 4. The liquefied gas heat transfer oil heater according to claim 3, characterized in that there are multiple No. 1 gears, and the plurality of No. 1 gears are separated from each other and are all meshed with meshing teeth. 5. The liquefied gas thermal oil heater according to claim 3, characterized in that, a plurality of No. 2 rotating seats are fixed on the inner wall of the cylindrical shell, and the two ends of the plurality of second oil delivery pipes are respectively connected with The No. 2 rotating seat is rotatably connected to the end side of the cylindrical housing. The No. 2 gear is fixed on the end of the second oil pipe and is meshed with the No. 1 gear. 6. The liquefied gas thermal oil heater according to claim 5, characterized in that there are a plurality of second gears, and the plurality of second gears are spaced apart from each other. 7. The liquefied gas thermal oil heater according to claim 5, wherein a distribution component is provided in the middle of the second oil pipeline, and the distribution component includes a heat conduction plate fixed to the middle of the second oil pipeline, so The heat conduction plate is provided with two communication chambers distributed at both ends of the heat conduction plate and connected with the second oil pipe. The heat conduction plate is provided with a plurality of flow chambers connected to the two communication chambers. The cross section of the flow chamber is The area is smaller than the inner diameter of the second oil pipeline. 8. The liquefied gas thermal oil heater according to claim 7, characterized in that there are multiple flow chambers, and the plurality of flow chambers are equidistantly distributed. 9. The liquefied gas thermal oil heater according to claim 8, wherein the flow chamber is arranged in a curve as a whole.