CN211937462U - Liquid heat-conducting medium injection pipe and heating device - Google Patents
Liquid heat-conducting medium injection pipe and heating device Download PDFInfo
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- CN211937462U CN211937462U CN201922433748.1U CN201922433748U CN211937462U CN 211937462 U CN211937462 U CN 211937462U CN 201922433748 U CN201922433748 U CN 201922433748U CN 211937462 U CN211937462 U CN 211937462U
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Abstract
The utility model relates to a liquid heat-conducting medium injection pipe and a heating device, wherein the injection pipe is arranged in a shell of a heat exchange device to provide a liquid heat-conducting medium in the shell, and a liquid outlet for the liquid heat-conducting medium to flow out is arranged on the shell; the spraying pipe comprises a main liquid inlet pipe and a branch pipe communicated with the main liquid inlet pipe, one end of the main liquid inlet pipe is a closed end, the other end of the main liquid inlet pipe is a liquid inlet into which the liquid heat-conducting medium flows, the closed end is close to the liquid outlet, the branch pipe is arranged at a position close to the liquid inlet of the main liquid inlet pipe, and spraying holes are uniformly distributed in the main liquid inlet pipe; one end of the branch pipe is a closed end, the other end of the branch pipe is communicated with the main liquid inlet pipe, and a jet hole is formed in the pipe wall of the branch pipe, which faces the closed end of the main liquid inlet pipe. Compared with the prior art, the utility model has the advantages of heat exchange efficiency is high, no overheat phenomenon.
Description
Technical Field
The utility model relates to a liquid heater especially relates to a liquid heat-conducting medium injection pipe and heating device.
Background
In the roll temperature controller, a heat-conducting medium needs to be heated, a traditional heater is similar to a U-shaped tubular heat exchanger, one end of the traditional heater is fully inserted with a heating pipe, and the heat-conducting medium is led to a shell layer. Because the middle baffle plate does not interfere the fluid, the heat flow of the diversion medium in the heater cannot be fully turbulent, the heat conduction medium is difficult to fully contact with the heat exchange pipe, the medium is not uniformly heated, and the carbonization phenomenon caused by medium overheating also exists in the heater in the practical use. Therefore, not only is it necessary to enhance the heat exchange efficiency of the heat exchanger, but also it is necessary to avoid overheating of the heating tube.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid heat-conducting medium injection pipe and heating device in order to overcome the defects of uneven heating and easy overheating of a heating pipe in the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a liquid heat-conducting medium injection pipe is arranged in a shell of a heat exchange device and used for providing a liquid heat-conducting medium into the shell, and a liquid outlet for the liquid heat-conducting medium to flow out is formed in the shell;
the spraying pipe comprises a main liquid inlet pipe and a branch pipe communicated with the main liquid inlet pipe, one end of the main liquid inlet pipe is a closed end, the other end of the main liquid inlet pipe is a liquid inlet into which the liquid heat-conducting medium flows, the closed end is close to the liquid outlet, the branch pipe is arranged at a position close to the liquid inlet of the main liquid inlet pipe, and spraying holes are uniformly distributed in the main liquid inlet pipe; one end of the branch pipe is a closed end, the other end of the branch pipe is communicated with the main liquid inlet pipe, and a jet hole is formed in the pipe wall of the branch pipe, which faces the closed end of the main liquid inlet pipe.
The branch pipe is perpendicular to the main liquid inlet pipe.
The main liquid inlet pipe is provided with a plurality of parallel and equidistant spraying surfaces, and the spraying holes are uniformly distributed on the spraying surfaces and the intersected circular structure of the main liquid inlet pipe.
The spraying surface is vertical to the axial direction of the main liquid inlet pipe; each spraying surface is provided with 1-6 spraying holes, preferably 4 spraying holes.
The utility model also provides a heating device adopting the liquid heat-conducting medium jet pipe, which comprises a shell, a first heat pipe end flange and a second heat pipe end flange which are respectively arranged at the two ends of the shell, a heating pipe arranged in the shell, and a jet pipe which passes through the second heat pipe end flange and is arranged in the shell; a liquid outlet for the liquid heat-conducting medium to flow out is formed in the shell; a thermocouple is arranged in the heating pipe.
The heating pipe is a U-shaped pipe, and an inlet and an outlet of the U-shaped pipe are both arranged on the first heat pipe end flange.
The heating pipe is positioned between the liquid outlet and the main liquid inlet pipe; the branch pipe is located on one side of the main liquid inlet pipe close to the heating pipe and located between the end part of the heating pipe and the liquid inlet pipe flange.
The liquid inlet and the liquid outlet are connected with an external pipeline through flanges.
The bottom of the shell is provided with a liquid outlet which is connected with a liquid discharge pipeline, and the liquid discharge pipeline is provided with a switch valve.
The utility model discloses a theory of operation does:
the liquid heat-conducting medium enters the main liquid inlet pipe and the branch pipe in the heater from the liquid inlet, and is sprayed out from the spray holes on the main liquid inlet pipe under the action of self pressure; in addition, the branch pipe is provided with the jet holes which also jet the liquid heat-conducting medium at the same time, fluid in the cylinder is pushed to flow towards the liquid outlet, the overheating phenomenon caused by the overlong contact time of the heat-conducting medium and the heating pipe is avoided, and therefore the liquid heat-conducting medium is prevented from being overheated to generate carbonization.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the heating is more uniform: by adding the liquid inlet pipe, the fluid in the cylinder is uniformly distributed, the turbulence intensity of the flow guide medium is enhanced, and the heat conduction medium is ensured to be fully and uniformly contacted with the heating pipe;
(2) and (3) eliminating the scaling phenomenon: the jet flow of the branch pipe pushes the heat-conducting medium to flow in the cylinder body, so that the heat-conducting medium cannot be retained in the cylinder body for a long time, and the carbonization phenomenon caused by overheating due to medium retention is eliminated.
Drawings
FIG. 1 is a schematic structural view of a heating apparatus according to the present invention;
FIG. 2 is a schematic structural view of a spray tube according to the present invention;
in the figure, 1 is a heating pipe, 2 is a first heat pipe end flange, 3 is a liquid outlet, 4 is a liquid outlet, 5 is a shell, 6 is a main liquid inlet pipe, 7 is a branch pipe, 8 is a second heat pipe end flange, 9 is a liquid inlet, 10 is a jet hole, and 11 is a jet hole.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
A liquid heat-conducting medium injection pipe and a heating device adopting the injection pipe can effectively propagate dry burning. As shown in fig. 1, the heating device includes a housing 5, a first heat pipe end flange 2 and a second heat pipe end flange 8 respectively disposed at two ends of the housing 5, a heating pipe 1 installed in the housing 5, and an injection pipe installed in the housing 5 through the second heat pipe end flange 8; a thermocouple is arranged in the heating pipe 1; the injection pipe is arranged in a shell 5 of the heating device and provides a liquid heat-conducting medium into the shell 5, and a liquid outlet 3 for the liquid heat-conducting medium to flow out is arranged on the shell 5; the injection pipe is provided with a liquid inlet 9, namely the liquid inlet 9 of the heat-conducting medium of the whole heating device. The heating pipe 1 is a U-shaped pipe, and the inlet and the outlet of the U-shaped pipe are both arranged on the first heat pipe end flange 2; the heating pipe 1 is positioned between the liquid outlet 3 and the main liquid inlet pipe 6; the branch pipe 7 is positioned on one side of the main liquid inlet pipe 6 close to the heating pipe 1 and between the end part of the heating pipe 1 and the liquid inlet pipe flange 9. The liquid inlet 9 and the liquid outlet 3 are connected with an external pipeline through flanges. The bottom of the shell 5 is provided with a liquid outlet 4, the liquid outlet 4 is connected with a liquid discharge pipeline, and the liquid discharge pipeline is provided with a switch valve. In this embodiment, the injection pipe and the cylinder are made of Q235 steel, and the working pressure of the heating device is 0.5MPa, and the design and manufacturing pressure is 1.0 MPa.
As shown in fig. 1 and 2, the injection pipe includes a main liquid inlet pipe 6 and a branch pipe 7 perpendicular to and communicated with the main liquid inlet pipe 6, one end of the main liquid inlet pipe 6 is a closed end, the other end is a liquid inlet 9 for the liquid heat-conducting medium to flow into, the closed end is close to the liquid outlet 3, the branch pipe 7 is arranged at a position close to the liquid inlet 9 of the main liquid inlet pipe 6, and the main liquid inlet pipe 6 is uniformly provided with injection holes 10; one end of the branch pipe 7 is a closed end, the other end of the branch pipe is communicated with the main liquid inlet pipe 6, and a jet hole 11 is formed in the pipe wall of the branch pipe 7, which faces the closed end of the main liquid inlet pipe 6.
Along the axial direction of main feed liquor pipe 6, be equipped with a plurality of injection faces that are parallel to each other, the equidistance is arranged on main feed liquor pipe 6, and jet orifice 10 evenly arranges on the crossing circular structure of injection face and main feed liquor pipe 6. The spraying surface is vertical to the axial direction of the main liquid inlet pipe 6; each injection surface is provided with 4 injection holes 10, and the corresponding injection hole 10 is located on the same generatrix of the main liquid inlet pipe 6, namely, the adjacent four injection holes 10 are arranged in a rectangle.
The heating device of this embodiment, inlet 9 and liquid outlet 3 pass through the flange and are connected with the external world, and liquid heat-conducting medium passes through inlet 9 and gets into main feed liquor pipe 6, through jet orifice 10 on the feed liquor pipe, evenly sprays on heating pipe 1, and partly liquid heat-conducting medium gets into branch pipe 7 simultaneously, through jet orifice 11 on branch pipe 7, promotes the liquid heat-conducting medium in the casing 5 and flows toward the liquid outlet.
The device of this embodiment heats more evenly: by adding the liquid inlet pipe, the fluid in the cylinder is uniformly distributed, the turbulence intensity of the flow guide medium is enhanced, and the heat conduction medium is ensured to be fully and uniformly contacted with the heating pipe; the scale formation phenomenon can be eliminated: the jet flow of the branch pipe pushes the flow of the fluid in the cylinder, so that the heat-conducting medium cannot be retained in the cylinder for a long time, and the carbonization phenomenon caused by excessive heating due to medium retention is eliminated.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (9)
1. A liquid heat-conducting medium injection pipe is arranged in a shell (5) of a heat exchange device and used for providing a liquid heat-conducting medium into the shell (5), and a liquid outlet (3) for the liquid heat-conducting medium to flow out is formed in the shell (5);
the liquid heat-conducting medium spraying device is characterized in that the spraying pipe comprises a main liquid inlet pipe (6) and a branch pipe (7) communicated with the main liquid inlet pipe (6), one end of the main liquid inlet pipe (6) is a closed end, the other end of the main liquid inlet pipe is a liquid inlet (9) for the liquid heat-conducting medium to flow into, the closed end is close to the liquid outlet (3), the branch pipe (7) is arranged at a position close to the liquid inlet (9) of the main liquid inlet pipe (6), and spraying holes (10) are uniformly distributed in the main liquid inlet pipe (6); one end of the branch pipe (7) is a closed end, the other end of the branch pipe is communicated with the main liquid inlet pipe (6), and the branch pipe (7) faces towards the pipe wall of the closed end of the main liquid inlet pipe (6) and is provided with a jet hole (11).
2. A liquid heat transfer medium injection pipe according to claim 1, wherein the branch pipe (7) is perpendicular to the main liquid inlet pipe (6).
3. The liquid heat-conducting medium injection pipe according to claim 1, wherein along the axial direction of the main liquid inlet pipe (6), a plurality of injection surfaces are arranged on the main liquid inlet pipe (6) in parallel and at equal intervals, and the injection holes (10) are uniformly arranged on a circular structure where the injection surfaces and the main liquid inlet pipe (6) intersect.
4. A liquid heat-transfer medium spray pipe according to claim 3, characterized in that the spray surface is perpendicular to the axial direction of the main liquid inlet pipe (6); each injection surface is provided with 1-6 injection holes (10).
5. A heating device using the liquid heat-conducting medium injection pipe of claim 1, comprising a housing (5), a first heat pipe end flange (2) and a second heat pipe end flange (8) respectively arranged at two ends of the housing (5), a heating pipe (1) installed in the housing (5), and an injection pipe installed in the housing (5) through the second heat pipe end flange (8); a liquid outlet (3) for the liquid heat-conducting medium to flow out is formed in the shell (5); a thermocouple is arranged in the heating pipe.
6. A heating device according to claim 5, characterized in that the heating pipe (1) is a U-shaped pipe, the inlet and outlet of which are mounted on the first pipe end flange (2).
7. A heating device according to claim 6, characterized in that the heating pipe (1) is located between the liquid outlet (3) and the main liquid inlet pipe (6); branch pipe (7) are located main feed liquor pipe (6) are close to one side of heating pipe (1), are located between heating pipe (1) tip and the feed liquor pipe flange.
8. A heating device as claimed in claim 7, characterized in that the inlet (9) and the outlet (3) are flanged to external pipes.
9. A heating device according to claim 7, characterized in that the bottom of the housing (5) is provided with a drain (4), which drain (4) is connected to a drain line, which drain line is provided with a switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433748.1U CN211937462U (en) | 2019-12-30 | 2019-12-30 | Liquid heat-conducting medium injection pipe and heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922433748.1U CN211937462U (en) | 2019-12-30 | 2019-12-30 | Liquid heat-conducting medium injection pipe and heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211937462U true CN211937462U (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922433748.1U Active CN211937462U (en) | 2019-12-30 | 2019-12-30 | Liquid heat-conducting medium injection pipe and heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211937462U (en) |
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2019
- 2019-12-30 CN CN201922433748.1U patent/CN211937462U/en active Active
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