Steam heating pipeline and instant electric steam heater

Abstract

The utility model belongs to the technical field of steam heaters, and discloses a steam heating pipeline and an instant electric steam heater, which comprise a pipe body, one end of the pipe body is provided with a water inlet port, and the other end of the pipe body is provided with a steam outlet port; the pipe body comprises a first spiral pipeline and a second spiral pipeline, and at least one part of the first spiral pipeline is inserted into the second spiral pipeline in parallel in a staggered mode. Through the first spiral pipeline and the second spiral pipeline, at least one part of the first spiral pipeline is inserted into the second spiral pipeline in a staggered and parallel mode, and heating pieces can be arranged in the intersection area and the non-intersection area of the first spiral pipeline and the second spiral pipeline. Heat of the heating piece can be fully transferred to the first spiral pipeline and the second spiral pipeline, water flow can flow through the first spiral pipeline and the second spiral pipeline respectively, the passing distance and the passing time of the water flow are longer, and the water flow can be fully heated and vaporized.

Description

Technical Field

[0001] The utility model relates to the technical field of steam heaters, in particular to a water vapor heating pipeline and an instant electric steam heater. Background Art

[0002] Instant electric steam heater is a highly efficient heating device that can quickly heat water to boiling point and produce steam. This heater usually consists of an electric heating element, a water tank and a control system. When the power is turned on, the electric heating element starts to work, heating the water to boiling point, thus producing steam.

[0003] In the prior art, there is an energy-saving heater with patent number: 202120709759.2, which includes an outer shell, a first pipe, a second pipe and multiple groups of heating components. The multiple groups of heating components are parallel to the first pipe and evenly distributed around the first pipe. A surrounding cavity is provided on the second pipe. The first pipe and the multiple groups of heating components are partially accommodated in the surrounding cavity. Both ends of the second pipe are connected to the first pipe. The first pipe, the second pipe and the multiple groups of heating components are fixedly accommodated in the outer shell, and both ends of the multiple groups of heating components protrude from the outer shell. In this scheme, the first pipe adopts a straight pipe, the time for water to flow through the pipe is too short, the time for liquid water to be heated and vaporized is insufficient, and the amount of steam generated cannot meet the supply demand. Utility Model Content

[0004] In view of the technical problems existing in the prior art, the purpose of the utility model is to provide a water vapor heating pipe and an instant electric steam heater, through a first spiral pipe and a second spiral pipe, at least a part of the first spiral pipe is offset and inserted into the second spiral pipe in parallel, heating elements can be arranged in the intersection area and non-intersection area of ​​the first spiral pipe and the second spiral pipe, the heat of the heating element can be fully transferred to the first spiral pipe and the second spiral pipe, water will flow through the first spiral pipe and the second spiral pipe respectively, the water will flow through a longer distance and a longer time, and can be fully heated and vaporized.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water steam heating pipe, comprising: a pipe body, one end of the pipe body is provided with a water inlet port, and the other end is provided with a steam outlet port; the pipe body comprises: a first spiral pipe and a second spiral pipe, at least a part of the first spiral pipe is offset and inserted into the second spiral pipe in parallel.

[0006] Furthermore, as a more preferred embodiment of the present invention, the water inlet direction of the water inlet port is not parallel to the steam outlet direction of the steam outlet port.

[0007] Based on the same inventive concept, the utility model also provides an instant electric steam heater, comprising: the above-mentioned water vapor heating pipe, the interior of the intersection area of ​​the first spiral pipe and the second spiral pipe of the water vapor heating pipe is the first space, and the non-intersecting areas of the first spiral pipe and the second spiral pipe are respectively the second space and the third space; a heating element, heating elements are respectively arranged in the first space, the second space and the third space; a shell, the interior of the shell is hollow, the water vapor heating pipe and the heating element are arranged inside the shell, and the water inlet port and the steam outlet port of the water vapor heating pipe extend outside the shell.

[0008] Furthermore, as a more preferred embodiment of the present invention, the heating element is an electric heating tube bank; the electric heating tube bank passes through the first space, the second space and the third space, and the power connection ends at both ends of the electric heating tube bank extend out of the shell.

[0009] Furthermore, as a more preferred embodiment of the present invention, the shell is made of cast aluminum or cast iron, and a die-casting or one-piece casting process is used. During the casting process, the electric heating tube rows in the first space, the second space and the third space are also fixed respectively.

[0010] Furthermore, as a more preferred embodiment of the utility model, it also includes a temperature control switch, and the surface of the shell is provided with a fixing hole adapted to the temperature control switch, and the temperature control switch is detachably connected to the fixing hole.

[0011] Furthermore, as a more preferred embodiment of the utility model, it also includes a temperature sensor, and the end of the shell is provided with a mounting hole for the probe of the temperature sensor to extend into, and the mounting hole is arranged near the position where the heating element extends out of the shell; the probe of the temperature sensor is inserted into the mounting hole.

[0012] Furthermore, as a more preferred embodiment of the utility model, it also includes a protective cover, and the end surface of the shell extending from the heating element is provided with a connecting hole for installing the protective cover, and the protective cover is detachably connected to the connecting hole.

[0013] Furthermore, as a more preferred embodiment of the utility model, the protective cover includes a protective cover body, one side of the protective cover body is provided with an opening, both sides of the opening are provided with folded edges, and the folded edges are provided with slots that are compatible with the connecting holes; the protective cover body is provided with wiring holes.

[0014] Furthermore, as a more preferred embodiment of the present invention, the connection hole is preferably a threaded hole, and a bolt passes through the slot and is then threadedly connected to the connection hole.

[0015] Furthermore, as a more preferred embodiment of the present invention, fixed connecting parts are evenly distributed on both sides of the shell.

[0016] Compared with the prior art, the beneficial effects are:

[0017] 1. The utility model provides a water vapor heating pipeline, through a first spiral pipeline and a second spiral pipeline, at least a part of the first spiral pipeline is offset and inserted into the second spiral pipeline in parallel, and a heating element can be arranged in the intersection area and the non-intersection area of ​​the first spiral pipeline and the second spiral pipeline, so that the heat of the heating element can be fully transferred to the first spiral pipeline and the second spiral pipeline, and the water flow will flow through the first spiral pipeline and the second spiral pipeline respectively, and the water flow will pass through a longer distance and a longer time, and can be fully heated and vaporized.

[0018] 2. The water inlet direction of the water inlet port of the utility model is not parallel to the steam outlet direction of the steam outlet port. It is preferred that the water inlet direction of the water inlet port is perpendicular to the steam outlet direction of the steam outlet port, so that the water inlet and steam outlet directions of the thermal electric steam heater do not interfere with each other, water is inletted at one end and steam is outlet at the other end, which also facilitates the connection of the water inlet port and the steam outlet port with the external pipeline without interference, and retains sufficient installation space.

[0019] 3. The shell of the utility model is provided with a fixed hole for connecting the temperature control switch. The probe of the temperature control switch is in contact with the shell. When the temperature exceeds the temperature that the temperature control switch can withstand, the temperature control switch can disconnect the electrical connection of the heating element. The shell is also provided with a mounting hole for the probe of the temperature sensor to extend into. The probe of the temperature sensor can be set in the mounting hole. The temperature sensor is connected to the external control panel and can detect the internal temperature of the shell.

[0020] 4. The instant electric steam heater of the utility model is also provided with a protective cover. The shell is provided with a connection hole for installing the protective cover on the end surface extending from the heating element. The protective cover can be used as a shield layer to prevent the two power terminals of the heating element from exploding due to high temperature and high pressure and explosives from flying out. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the structure of the steam heating pipeline in the embodiment.

[0022] Figure 2 It is a schematic diagram of the structure of inserting the heating element into the steam heating pipeline in the embodiment.

[0023] Figure 3 It is a structural stereogram of the instant electric steam heater in the embodiment.

[0024] Figure 4 Schematic diagram of the structure of the electric heating tube bank in the embodiment.

[0025] Figure 5 It is a schematic diagram of the structure of the steam heating pipeline in the embodiment when viewed from above.

[0026] Figure 6It is a schematic diagram of the structure of adding a protective cover to the instant electric steam heater in the embodiment.

[0027] Reference numerals:

[0028] 1-tube body, 11-water inlet port, 12-steam outlet port, 13-first spiral pipeline;

[0029] 2-heating element, 21-electric heating tube row, 22-electrical connection terminal;

[0030] 3-shell, 31-fixing hole, 32-mounting hole, 33-connection hole, 34-fixing connector, 35-grounding column;

[0031] 4-protective cover, 41-protective cover body, 42-folded edge, 421-slot hole, 43-wiring hole;

[0032] a-first space, b-second space, c-third space. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0034] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0035] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0037] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0038] Example

[0039] This embodiment is intended to promote the solution to the problem that the existing heaters use straight tube heating. Under the same size, the time for water to pass through the pipe is too short, the time for liquid water to be heated and vaporized is insufficient, and the amount of steam generated cannot meet the supply demand. To this end, this embodiment provides a water vapor heating pipe, through the first spiral pipe 13 and the second spiral pipe 14, at least a part of the first spiral pipe 13 is offset and inserted into the second spiral pipe 14 in parallel, and the heating element 2 can be set in the intersection area and non-intersection area of ​​the first spiral pipe 13 and the second spiral pipe 14, so that the heat of the heating element 2 can be fully transferred to the first spiral pipe 13 and the second spiral pipe 14, and the water will flow through the first spiral pipe 13 and the second spiral pipe 14 respectively. The distance and time of the water flow are longer, and it can be fully heated and vaporized.

[0040] Reference Figure 1 As shown, a water steam heating pipe comprises: a pipe body 1, one end of the pipe body 1 is provided with a water inlet port 11, and the other end is provided with a steam outlet port 12; the pipe body 1 comprises: a first spiral pipe 13 and a second spiral pipe 14, at least a part of the first spiral pipe 13 is offset and inserted into the second spiral pipe 14 in parallel.

[0041] Reference Figure 1 As shown, specifically, in this embodiment, the water inlet direction of the water inlet port 11 is not parallel to the steam outlet direction of the steam outlet port 12. It is preferred that the water inlet direction of the water inlet port 11 is perpendicular to the steam outlet direction of the steam outlet port 12, that is, the water inlet and steam outlet directions of the thermal electric steam heater do not interfere with each other, water is inletted at one end and steam is outlet at the other end, and it is also convenient to connect the water inlet port 11 and the steam outlet port 12 to the external pipeline without causing interference, and sufficient installation space is reserved.

[0042] Reference Figure 2 , 3 As shown in FIG. 5 , this embodiment further provides an instant electric steam heater, comprising: the above-mentioned water vapor heating pipe, the intersection area of ​​the first spiral pipe 13 and the second spiral pipe 14 of the water vapor heating pipe is a first space a, and the non-intersecting areas of the first spiral pipe 13 and the second spiral pipe 14 are a second space b and a third space c respectively;

[0043] Heating element 2, a heating element 2 is respectively arranged in the first space a, the second space b and the third space c;

[0044] The shell 3 is hollow inside, the steam heating pipe and the heating element 2 are arranged inside the shell 3 , and the water inlet port 11 and the steam outlet port 12 of the steam heating pipe extend out of the shell 3 .

[0045] Reference Figure 4 As shown, specifically, in this embodiment, the heating element 2 is an electric heating tube row 21; the electric heating tube row 21 passes through the first space a, the second space b and the third space c, and the power connection ends 22 at both ends of the electric heating tube row 21 extend out of the shell 3.

[0046] Specifically, in this embodiment, the shell 3 is made of cast aluminum or cast iron, and is formed by die casting or integral casting. During casting, the first space a, the second space b and the third space c are filled respectively and the electric heating tube row 21 therein is fixed.

[0047] Reference Figure 3 As shown, specifically, in this embodiment, the instant electric steam heater further includes a temperature control switch, and the surface of the housing 3 is provided with a fixing hole 31 adapted to the temperature control switch, and the temperature control switch is detachably connected to the fixing hole 31. The probe of the temperature control switch is in contact with the housing 3, and when the temperature exceeds the temperature that the temperature control switch can withstand, the temperature control switch can automatically disconnect the electrical connection of the heating element 2.

[0048] Reference Figure 3 As shown, specifically, in this embodiment, a temperature sensor is also included, and a mounting hole 32 for the probe of the temperature sensor to be inserted is provided at the end of the housing 3, and the mounting hole 32 is provided near the position where the heating element 2 extends out of the housing 3; the probe of the temperature sensor is inserted into the mounting hole 32. Some embodiments also include a control panel for receiving temperature information of the temperature sensor, and the temperature information uploaded by the temperature sensor is presented on the control panel.

[0049] Reference Figure 6As shown, specifically, in this embodiment, the instant electric steam heater further includes a protective cover 4, and the housing 3 is provided with a connection hole 33 for installing the protective cover 4 at the end surface extending from the heating element 2, and the protective cover 4 is detachably connected to the connection hole 33. The purpose of using the protective cover 4 is to add a layer of protection and improve the safety performance of the entire device to prevent the two power terminals 22 of the heating element 2 from exploding due to high temperature and high pressure and flying out of explosives.

[0050] Reference Figure 6 As shown, specifically, the protective cover 41 includes a protective cover body, one side of the protective cover body is provided with an opening, two sides of the opening are provided with folded edges 42, and the folded edges 42 are provided with slots 421 adapted to the connection holes 33; the protective cover body is provided with wiring holes 43; the protective cover body is provided with wiring holes 43. The wiring holes 43 can be used to install a wire nut (wire collection nut).

[0051] The connection hole 33 is a threaded hole, and preferably the connection hole 33 is a threaded hole, through which a bolt passes through the slot 421 and is then threadedly connected to the connection hole 33 .

[0052] The shield body 41 can be made of transparent material, so that the inspection personnel can observe the connection status of the power terminals 22 at both ends of the heating element 2. The opening size can cover the power terminals 22 and the mounting holes 32 of the electric heating tube row 21.

[0053] Reference Figure 6 As shown, in order to facilitate the effective fixing of the housing 3 in the corresponding working position, in this embodiment, both sides of the housing 3 are evenly provided with fixed connectors 34. In some embodiments, connectors are provided at the four corners of one side of the housing 3, and the connector is a plate with through holes for bolt connection.

[0054] Reference Figure 6 As shown, a grounding column 35 is also provided on the surface of the housing 3 of this embodiment for ground connection.

[0055] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steam heating pipeline, characterized in that: include: The pipe body has a water inlet port at one end and a steam outlet port at the other end; the pipe body comprises: The first spiral pipe and the second spiral pipe, at least a portion of the first spiral pipe is offset and inserted into the second spiral pipe in parallel.

2. The water vapor heating pipe according to claim 1, characterized in that: The water inlet direction of the water inlet port is not parallel to the steam outlet direction of the steam outlet port.

3. An instant electric steam heater, characterized in that: include: The water vapor heating pipe according to claim 1, wherein the intersection area of ​​the first spiral pipe and the second spiral pipe of the water vapor heating pipe is the first space, and the non-intersecting areas of the first spiral pipe and the second spiral pipe are the second space and the third space respectively; Heating elements, wherein the first space, the second space and the third space are respectively provided with heating elements; The shell is hollow inside, the steam heating pipe and the heating element are arranged inside the shell, and the water inlet port and the steam outlet port of the steam heating pipe extend outside the shell.

4. The instant electric steam heater according to claim 3, characterized in that: The heating element is an electric heating tube bank; the electric heating tube bank passes through the first space, the second space and the third space, and the power connection ends at both ends of the electric heating tube bank extend out of the shell.

5. The instant electric steam heater according to claim 4, characterized in that: The shell is made of cast aluminum or cast iron, and is formed by die casting or integral casting. During casting, the electric heating pipe rows in the first space, the second space and the third space are also fixed respectively.

6. The instant electric steam heater according to any one of claims 3 to 5, characterized in that: It also includes a temperature control switch. The surface of the shell is provided with a fixing hole that matches the temperature control switch. The temperature control switch is detachably connected to the fixing hole.

7. The instant electric steam heater according to any one of claims 3 to 5, characterized in that: It also includes a temperature sensor. The end of the shell is provided with a mounting hole for the probe of the temperature sensor to extend into. The mounting hole is arranged near the position where the heating element extends out of the shell; the probe of the temperature sensor is inserted into the mounting hole.

8. The instant electric steam heater according to any one of claims 3 to 5, characterized in that: It also includes a protective cover. The shell is provided with a connection hole for installing the protective cover on the end surface extending from the heating element. The protective cover is detachably connected to the connection hole.

9. The instant electric steam heater according to claim 8, characterized in that: The protective cover comprises a protective cover body, one side of the protective cover body is provided with an opening, two sides of the opening are provided with folded edges, and the folded edges are provided with slots matched with the connection holes; the protective cover body is provided with wiring holes.

10. The instant electric steam heater according to any one of claims 3 to 5, characterized in that: Both sides of the shell are evenly provided with fixed connecting pieces.

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