Coil pipe type steam generator

Abstract

The utility model discloses a coil pipe type steam generator which comprises an outer shell, a heating piece and a pipeline, a heat conduction layer is filled in the outer shell, the heating piece and the pipeline are both embedded in the heat conduction layer in the outer shell, and the two ends of the heating piece extend out of the outer shell and are used for being connected with an external power source. The middle of the pipeline spirally surrounds the periphery of the heating piece, the two ends of the pipeline extend out of the shell, and the two ends of the pipeline are a steam outlet and a liquid inlet respectively. According to the coil pipe type steam generator, liquid is heated efficiently to be boiled and vaporized, so that the vaporization efficiency is improved, and the requirement for conversion from the liquid to the steam state at the maximum efficiency is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam generator technical field especially relates to a coil steam generator. BACKGROUND

[0002] The existing liquid vaporization mainly adopts two ways of evaporation and boiling, wherein evaporation: evaporation is a vaporization phenomenon on the liquid surface. It does not need to reach the boiling point, as long as the liquid surface has enough energy, it can occur, evaporation is a continuous process, the molecules on the liquid surface continuously change from liquid state to gas state, and new molecules are supplemented to the surface to maintain the continuous vaporization of the liquid, and the evaporation process is relatively slow.

[0003] Boiling: boiling is a violent vaporization phenomenon on the liquid surface at a certain temperature, boiling occurs when the liquid reaches the boiling point, at this time the liquid needs to continue to absorb heat to maintain the boiling state, in the boiling process, the temperature of the liquid remains unchanged until all the liquid is converted into gas.

[0004] Therefore, it is necessary to heat the liquid to make it boil to improve the vaporization speed of the liquid, meet the needs of some special places, for example, when hydrogen peroxide needs to be heated for disinfection, how to keep the liquid at a constant temperature to effectively disinfect is a technical problem to be solved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a coil steam generator, which efficiently heats the liquid to make it boil and vaporize, thereby improving the vaporization efficiency and meeting the maximum efficiency of the conversion of the liquid to the vapor state.

[0006] The utility model discloses a coil steam generator which adopts the technical scheme of:

[0007] A coil steam generator, comprising a shell, a heating element and a pipeline, the shell is filled with a heat conduction layer inside, the heating element and the pipeline are embedded in the heat conduction layer inside the shell, the heating element extends out of the shell at both ends for connecting with an external power supply, the pipeline is spirally arranged around the heating element at the middle part, the pipeline extends out of the shell at both ends, and the pipeline is provided with a steam outlet and a liquid inlet at both ends respectively.

[0008] As a preferred scheme, the structure of the heating element inside the shell is spirally arranged, and the axis of the heating element is perpendicular to the axis of the pipeline.

[0009] As a preferred scheme, the number of the pipeline is two, and the two pipelines are parallelly arranged outside the heating element to form a double helix structure.

[0010] As a preferred solution, the middle part of the heating element is bent to form a U-shaped structure, and the middle part of the heating element is folded to form a C-shaped structure inside the shell.

[0011] As a preferred solution, the shell comprises a shell body and a shell cover, and the shell body and the shell cover are detachably connected, and the pipeline extends to the shell cover at both ends.

[0012] As a preferred solution, the shell cover is provided with a temperature sensor, and the temperature sensor is embedded in the shell.

[0013] As a preferred solution, a temperature limiting switch is further included, which is electrically connected with the temperature sensor, and the temperature limiting switch is arranged on the shell cover.

[0014] The discloses a coil pipe type steam generator, which has the following advantages: the heating element and the pipeline are embedded in the heat-conducting layer of the shell, and the shell protects the heating element, ensuring that the heat generated by the heating element can heat the pipeline through the heat-conducting layer, liquid is introduced into the pipeline through the liquid inlet, and the liquid is heated and vaporized in the pipeline inside the shell, and the middle part of the pipeline is spirally arranged around the periphery of the heating element, thereby increasing the area of the pipeline radiated by the heating element, improving the heating effect, and effectively reducing the overall size, making the pipeline more compact, efficiently heating the liquid to make it boil and vaporize, thereby improving the vaporization efficiency, meeting the maximum efficiency of the liquid to steam conversion, and different liquids can be mixed after vaporization. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is an embodiment 1 structure schematic view of the discloses a coil pipe type steam generator.

[0016] Figure 2 is an embodiment 1 internal structure schematic view of the discloses a coil pipe type steam generator.

[0017] Figure 3 is an embodiment 2 internal structure schematic view of the discloses a coil pipe type steam generator. DETAILED DESCRIPTION

[0018] The present application will be further described and explained with reference to specific embodiments and the accompanying drawings:

[0019] Embodiment 1

[0020] Please refer to Figure 1The application discloses a coil type steam generator, which comprises a shell 10, a heating element 20 and a pipe 30, the shell 10 is internally filled with a heat-conducting layer, the heating element 20 and the pipe 30 are embedded in the heat-conducting layer in the shell 10, the heating element 20 extends out of the shell 10 at both ends for being connected with an external power source, the pipe 30 is spirally arranged around the periphery of the heating element 20 at the middle part, and the pipe 30 extends out of the shell 10 at both ends and is provided with a steam outlet 32 and a liquid inlet 31 respectively.

[0021] The heating element 20 and the pipe 30 are embedded in the heat-conducting layer in the shell 10, the shell 10 is used for protection, the heat generated by the heating element 20 can be used to heat the pipe 30 through the heat-conducting layer, the temperature in the shell 10 is kept uniform through the heat-conducting layer, liquid is introduced into the liquid inlet 31 of the pipe 30, the liquid is heated and vaporized in the pipe 30 in the shell 10, the pipe 30 is spirally arranged around the periphery of the heating element 20 at the middle part, the area of the pipe 30 radiated by the heating element 20 is increased, the heating effect is improved, the overall size is effectively reduced, the different parts of the pipe 30 are more compact, the liquid is efficiently heated to be boiled and vaporized, the vaporization efficiency is improved, the maximum efficiency of the conversion of the liquid into steam is met, and different liquids can be mixed after being vaporized.

[0022] The pipe 30 can be heated to 60 DEG C through the introduction of a descaling agent, the descaling agent is washed through the introduction of clean water, the pipe 30 is cleaned, compressed air is introduced through one end of the pipe 30, impurities in the pipe 30 are discharged from the other end of the pipe 30 under the impact of the compressed air, and the pipe 30 is cleaned.

[0023] In the embodiment 1, the number of the pipe 30 is one, the structure of the heating element 20 in the shell 10 is spirally arranged, the axis of the heating element 20 is perpendicular to the axis of the pipe 30, the heating element 20 is in a spiral structure, more heating elements 20 can be arranged in the shell 10, the heat of the heating element 20 is more concentrated, the axis of the heating element 20 is perpendicular to the axis of the pipe 30, the problem of the large overall size caused by the spiral heating element 20 and the pipe 30 arranged around the heating element 20 is avoided, the two are arranged at 90 DEG, and the space in the shell 10 can be better utilized.

[0024] In the embodiment, the position of the steam outlet 32 corresponds to the position of the upper end of the pipe 30 in the shell 10, the position of the liquid inlet 31 corresponds to the position of the lower end of the pipe 30 in the shell 10, liquid is introduced into the pipe 30 through the bottom of the pipe 30 in the shell 10, the liquid is stably heated, the steam formed by heating rises, the steam is fully and uniformly vaporized, and the steam is discharged from the steam outlet 32 at the upper end.

[0025] Embodiment 2

[0026] In embodiment 2, the number of pipes 30 is two, and the two pipes 30 are arranged in parallel outside the heating element 20 to form a double helix structure, so that the two pipes 30 can be heated by the heating element 20 and can also transfer heat between each other. The middle part of the heating element 20 is bent to form a U-shaped structure, and the middle part of the heating element 20 is folded inside the shell 11 to form a C-shaped structure. In order to fully heat the two pipes 30, the heating rod is first bent to form a U-shaped structure, and then folded to form a C-shaped structure inside the shell 10, so that each circle of the pipe 30 surrounds the four parts of the corresponding heating element 20, improving the heating efficiency, while saving the internal space of the shell 10, making the whole product more compact.

[0027] And the number of pipes 30 of the product is not limited to one or two, and the actual situation can be estimated to increase the number of corresponding pipes 30 for heating, so as to simultaneously vaporize different liquids.

[0028] In the above scheme, the shell 10 includes a shell 11 and a shell cover 12, and the shell 11 and the shell cover 12 are detachably connected. Both ends of the pipe 30 extend out of the shell cover 12, so that the liquid inlet and the gas outlet are located on the same side, facilitating installation and use, and a temperature sensor 13 is arranged on the shell cover 12. The temperature sensor 13 is embedded in the shell 11, and the temperature sensor 13 can be used to monitor the inside of the shell 10 in real time, so that people can adjust the heating temperature in time.

[0029] And it also includes a temperature limiting switch 14, which is electrically connected with the temperature sensor 13 and arranged on the shell cover 12. The temperature limiting switch 14 controls the opening or closing of the heating element 20, so that the maximum temperature inside the shell 10 does not exceed the set value of the element. If the temperature exceeds, it will be disconnected in time, which plays a protective role. For example, a 180-degree switch. If the system is out of control, it will be disconnected when the temperature reaches 180 degrees. When the temperature is lower than the set temperature, the heating function will be automatically started.

[0030] The utility model provides a coil pipe type steam generator, embeds and sets up heating element and pipeline in the heat conduction layer of shell, utilizes the shell to play the purpose of protection, ensures the heat produced when heating element works can heat the pipeline through the heat conduction layer preferably, passes into the liquid from the liquid inlet of pipeline, makes the liquid in the pipeline in the shell interior heat vaporization, and the pipeline middle part is spiral and surrounds the heating element periphery, thereby increases the pipeline area of heating element radiation, improves the heating effect, can effectively reduce the overall size simultaneously, makes the pipeline different parts more compact, through the efficient heating of liquid, makes it boil and vaporize, thereby improves the vaporization efficiency, satisfies the maximum efficiency conversion of liquid to steam state, and still can mix after the vaporization of different liquid.

[0031] It should be noted finally that the above examples are merely intended to illustrate the technical solutions of the present application, and not to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A coil type steam generator characterized by comprising: The utility model provides a heating device, including shell, heating piece and pipeline, the shell is filled with the heat conduction layer inside, heating piece and pipeline all are embedded in the heat conduction layer in the shell, heating piece both ends extend out of the shell for with outside power supply is connected, the middle part of pipeline is spiral around the periphery of heating piece, and the both ends of pipeline all extend out of the shell, and the both ends of pipeline are steam outlet and liquid inlet respectively.

2. A coil type steam generator as claimed in claim 1, wherein The structure of the heating piece inside the shell is spiral, and the axis of the heating piece is perpendicular to the axis of the pipeline.

3. A coil type steam generator as claimed in claim 1, wherein The number of the pipeline is two, and the two pipelines are parallel around the heating piece outside to form a double helix structure.

4. A coil type steam generator as claimed in claim 3, wherein The middle part of the heating piece is bent to form a U-shaped structure, and the middle part of the heating piece is folded to form a C-shaped structure inside the shell.

5. A coil type steam generator according to any one of claims 1 to 4, wherein The shell includes a shell body and a shell cover, the shell body and the shell cover are detachably connected, and the two ends of the pipeline extend to the shell cover and pass out.

6. A coil type steam generator as claimed in claim 5, wherein A temperature sensor is arranged on the shell cover and embedded in the shell body.

7. A coil type steam generator as claimed in claim 6, characterized in that A temperature limiting switch is further included and electrically connected with the temperature sensor, and the temperature limiting switch is arranged on the shell cover.

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