WO2018019286A1 - 一种蒸汽发生器 - Google Patents

一种蒸汽发生器 Download PDF

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Publication number
WO2018019286A1
WO2018019286A1 PCT/CN2017/094866 CN2017094866W WO2018019286A1 WO 2018019286 A1 WO2018019286 A1 WO 2018019286A1 CN 2017094866 W CN2017094866 W CN 2017094866W WO 2018019286 A1 WO2018019286 A1 WO 2018019286A1
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Prior art keywords
heating
steam
steam generator
tube
pipe
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PCT/CN2017/094866
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English (en)
French (fr)
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唐艳斌
胡如国
卢艺杰
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芜湖艾尔达科技有限责任公司
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Publication of WO2018019286A1 publication Critical patent/WO2018019286A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
    • F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically

Definitions

  • the present invention relates to a heating device, and more particularly to a steam generator.
  • the first one is to place the liquid in the tank body, and the tank body is closed by the lid body.
  • the tank body is heated to maintain the tank body at a relatively high temperature, and the liquid gasification is converted into a small amount of liquid injected into the tank body.
  • Steam in this way, the overall thermal conversion rate is low, the preheating time is long, and it is easy to leak.
  • the second type is a boiler type, which uses a boiler instead of a tank to heat the liquid to convert the liquid into steam.
  • This method can solve the problem of water leakage, but it has defects in efficiency and quality, starts to heat slowly, and is prone to fouling in the boiler. Affects subsequent normal use, and the heat loss in the entire boiler is large when not in use. In addition, because the boiler must accumulate pressure to maintain a certain pressure, there are certain hidden dangers in safety. The above two methods take about one minute from the start of heating to steam, and it is difficult to meet the requirements for rapid steam acquisition.
  • the present invention provides a steam conversion efficiency, a high speed, a small amount of scale residue, and a dynamic generation of steam pressure in a pipe during operation. Automatically balanced, safe and flexible steam generator.
  • a steam generator comprising a pipeline provided with a liquid inlet and a steam outlet, the pipe being routed by connecting one or more heating pipes in series, and the outer surface of each heating pipe is partially or completely covered with continuous independent An electric heating film that controls the on and off of the power supply.
  • the inside of the heating tube is provided with a spiral heating metal structure.
  • the outer diameter of the tube of the heating tube is between 4 mm and 16 mm.
  • the heating tube is a quartz glass tube.
  • adjacent heating tubes are connected in series by direct connection between the head and the tail, or adjacent heating tubes are connected in series by a connecting device, or a plurality of tubes are connected in parallel.
  • the power of each heating tube is optimized for the vaporization of water and the temperature rise of the steam.
  • the invention has the beneficial effects that the invention heats the liquid into steam by heating the heating tube, and the heating tube is heated by the heating film, the heating efficiency is high and the speed is fast, and the liquid can be quickly and completely converted into steam when flowing through the heating tube. It will not remain, and steam can be obtained in 3-10s during normal operation, which can meet the requirement of obtaining steam quickly; the rapid volume expansion of the rapidly generated steam drives the steam to form dynamic pressure, and carries the scale out of the heating pipe.
  • Each heating tube can be independently controlled for heating.
  • the corresponding number of heating pipes can be started according to the demand of steam, and the work is flexible, and can meet the requirements of different occasions.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention
  • FIG. 2 is a schematic structural view of an embodiment of a pipeline
  • FIG. 3 is a schematic structural view of another embodiment of a pipeline
  • FIG. 4 is a schematic structural view of an embodiment of a spiral packed column
  • Figure 5 is a schematic view showing the structure of another embodiment of a spiral packed column.
  • the invention can be used as an independent steam generating device, or can be configured to be used on various steam-requiring devices such as a steam box, a steam washing machine, a steam foaming machine, a steam sterilizer, a steam mop, and a hanging machine.
  • the present invention mainly comprises a pipe having a liquid inlet 1 and a steam outlet 2.
  • liquid enters the pipeline through the liquid inlet 1, and becomes steam after being heated by the pipeline, and the steam is outwardly from the steam outlet 2.
  • Output is mainly from the pipe having a liquid inlet 1 and a steam outlet 2.
  • the tube of the present invention is formed by connecting two or more heating tubes 3 in series, and the outer surface of each heating tube 3 is partially or completely covered with a continuous heating film 4 which can independently control the power supply on and off.
  • the heating tube 3 is preferably realized by a quartz glass tube, and the shape thereof may be a straight tube, a curved tube, a bent tube, a spiral tube or other irregularly shaped tubular knot.
  • the single pipe may be formed by a heating pipe 3 of the same shape or may be formed by a plurality of heating pipes 3 of various shapes.
  • the diameter of the outer diameter of the heating pipe 3 should be sufficiently small, preferably between 4 mm and 16 mm.
  • the number of heating tubes 3 can be two, three or more.
  • the directness of the tubes can be different.
  • the shape of the tubes formed by the plurality of heating tubes 3 may be a single shape, an S shape, a Z shape, a V shape, a W shape, or the like, or may be other irregular shapes.
  • the series connection of the plurality of heating pipes 3 can also be flexibly implemented as needed.
  • the adjacent heating pipes 3 can be connected in series by direct connection between the head and the tail, and the adjacent heating pipes 3 can also be connected in series by the connecting device 5.
  • the heating tubes 3 are straight tubes of the same shape, the heating tubes 3 are arranged side by side, and the adjacent heating tubes 3 are connected in series by means of the connecting means 5.
  • the heating tube can also be a heating element with different powers in different areas of the tube along the length direction, ensuring different electrothermal power densities in different regions, in order to adapt to the optimal water being heated to boiling and then evaporating vaporization until the steam is further The need to heat to high temperatures.
  • the heating film 4 on the heating pipe 3 is generally formed by spraying, and the shape, thickness, and the like of the heating film 4 can be changed as needed, so that the heating efficiency of the heating film 3 heating film 4 is correspondingly changed.
  • the heating film 4 is heated, so that the liquid in the heating pipe 3 is heated up and rapidly becomes steam.
  • the liquid can be made faster
  • the ground is converted into steam
  • the inside of the heating pipe 3 is preferably provided with a spiral packed column, such as a metal spiral 6, or similar to the shape of a spring, ensuring sufficient heat exchange between the fluid and the heated film.
  • the spiral groove and the inner wall of the heating tube form a substantially closed flow of water and steam, so that the flow velocity of water and steam in the groove is greatly increased, and the conduction speed of the electric heat is increased. This allows the water to quickly receive the electrothermal energy in a short period of time and completely convert the steam.
  • the heating tube can also be a shaped U-shaped tube, a flat spiral coil or a 3-dimensional spiral tube. Heated films of different powers are provided on different lengths of the tube.
  • the packed column in the tube can also be in other shapes (see the example) for the purpose of directing the self-mixing of the fluid and sufficient contact with the wall of the heating tube to achieve rapid heat transfer to the heating tube.
  • the steam can be obtained in 3-10s, and each heating pipe 3 can independently control the heating, and the corresponding number of heating pipes 3 can be started according to the demand of the steam, and the work is flexible, and can be used for different occasions. Claim.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

一种蒸汽发生器，包括一设有液体进口（1）和蒸汽出口（2）的管路，管路由一个或以上的加热管（3）串接而成，每个加热管（3）的外表面部分或全部覆盖有连续的可独立控制供电通断的加热元件，通过加热管（3）进行加热的方式将液体加热为蒸汽，加热管（3）采用加热膜（4）进行加热，加热效率高速度快，每个加热管（3）可以独立控制加热，可以根据蒸汽的使用需求量来启动相应数量的加热管（3）工作，工作灵活，可以满足不同场合的使用要求。

Description

一种蒸汽发生器 技术领域
本发明涉及一种加热装置，尤其涉及一种蒸汽发生器。
背景技术
目前常用的蒸汽产生方式主要有两种。第一种是将液体置于槽体内，上下用盖体将槽体合上，对槽体进行加热使得槽体保持一个较高的温度，在向槽体内的注入少量液体时候液体气化转化成蒸汽，这种方式整体的热转化率低，预热时间长，容易漏气，完成蒸汽操作后整个系统温度很高，预热惯性大，而且水垢积累后流道的堵塞问题严重。第二种是锅炉式，利用锅炉代替槽体对液体进行加热使得液体转化成蒸汽，这种方式可以解决漏水的问题，但在效率和质量上存在缺陷，开始升温慢，锅炉内容易产生积垢影响后续正常使用，而且在不使用的时候整个锅炉内的热量损失大。另外由于锅炉必须蓄压保持一定的压力，安全方面有一定的隐患。上述两种方式从开始加热至蒸汽出来需要大概一分钟左右，难以满足快速获取蒸汽的使用要求。
发明内容
为了解决以上技术问题，本发明提供一种蒸汽转化效率高、速度快，水垢残留少，工作时候管内蒸汽压力动态产生和 自动平衡，安全性高，工作灵活的蒸汽发生器。
本发明是通过以下技术方案实现的：
一种蒸汽发生器，包括一设有液体进口和蒸汽出口的管路，所述管路由一个或以上的加热管串接而成，每个加热管的外表面部分或全部覆盖有连续的可独立控制供电通断的电加热膜。
作为优选的实施方式，所述加热管的内部设有螺旋状加热金属结构。
作为优选的实施方式，所述加热管的管外圆直径值在4mm-16mm之间。
作为优选的实施方式，所述加热管为石英玻璃管。
作为优选的实施方式，相邻加热管通过头尾直接连接的方式进行串联，或相邻加热管通过连接装置进行串联，或者多管进行并联。
作为优选的实施方式，每个加热管的功率对应水的汽化和蒸汽的升温进行优化。
本发明的有益效果是：本发明通过加热管进行加热的方式将液体加热为蒸汽，加热管采用加热膜进行加热，加热效率高速度快，液体流经加热管时可以快速彻底地转化为蒸汽，不会残留，正常工作时3-10s即可获取到蒸汽，可以满足快速获取蒸汽的要求；快速产生的蒸汽的快速体积膨胀驱动蒸汽形成动态压力，携带水垢流出加热管。每个加热管可以独立控制加热， 可以根据蒸汽的使用需求量来启动相应数量的加热管工作，工作灵活，可以满足不同场合的使用要求。
附图说明
图1为本发明一种实施例的组成结构示意图；
图2为管路一种实施例的结构示意图；
图3为管路另一种实施例的结构示意图；
图4为螺旋状填充柱一种实施例的结构示意图；
图5为螺旋状填充柱另一种实施例的结构示意图。
符号说明：1-液体进口，2-蒸汽出口，3-加热管，4-加热膜，5-连接装置，6-螺旋状加热金属。
具体实施方式
下面参照附图并结合实施例对本发明作进一步的描述。
本发明可以作为独立的蒸汽发生设备使用，也可以构造为部件配置于蒸箱、蒸汽清洗机、蒸汽奶泡机、蒸汽杀菌机、蒸汽拖把、挂烫机等各种需要蒸汽的设备上使用。
参照图1，本发明主要包括一具有液体进口1和蒸汽出口2的管路，工作时，液体经液体进口1进入到管路内，经管路加热后变成蒸汽，蒸汽从蒸汽出口2向外输出。
本发明的管路由两个或以上的加热管3串接而成，每个加热管3的外表面部分或全部覆盖有连续的可独立控制供电通断的加热膜4。加热管3优选采用石英玻璃管实现，其形状可以为直管、弧形管、弯折管、螺旋管或其它不规则形状的管状结 构，单个管路可以由同一形状的加热管3串成，也可以由多种形状的加热管3串成。为了保证加热管3的加热效率，加热管3管外圆直径值应足够小，优选在4mm-16mm之间。
在不同的实施例中，加热管3的数量可以为两个、三个或更多。管子的直接可以是不相同的。多个加热管3所串成的管路形状可以为一字型、S型、Z型、V型、W型等等，也可以为其他不规则形状。另外，多个加热管3的串联方式也可以根据需要灵活地实现，例如，相邻加热管3可以通过头尾直接连接的方式进行串联，相邻加热管3也可以通过连接装置5进行串联。在图1的实施例中，加热管3为形状相同的直管，加热管3采用并排的方式进行布置，相邻的加热管3之间通过连接装置5进行串联。
加热管也可以是在沿着长度方向在管的不同区域有不同功率的加热元件，保证在不同区域的电热功率密度不同，以适应最佳的水被加热到沸腾而后蒸发汽化、直至蒸汽被进一步加热到高温度的需求。
加热管3上的加热膜4一般通过喷涂的方式形成，加热膜4的形状、厚度等都可以根据需要进行改变，使得加热管3加热膜4的发热效率相应地变化。工作时，通过向加热膜4供电，即可使得加热膜4发热，使得加热管3内的液体升温并迅速变为蒸汽。
为了进一步增加加热管3的加热效率，使得液体可以更快 地转化为蒸汽，加热管3的内部优选设有螺旋状的填充柱，例如金属螺旋6，或者类似于弹簧的形状，确保流体和加热膜产生足够的热交换。螺旋的沟槽和加热管内壁形成一个基本封闭的水流和蒸汽流通道，使得水和蒸汽在这个沟槽内的流动速度大大增加，提高电热的传导速度。这样可以让水在短时间里面迅速接受电热能量而完全转化蒸汽。
加热管也可以是异型的U-型管、平面的螺旋盘管或者3维螺旋管。在管的不同长度上设有不同功率的加热膜。
管内的填充柱也可以是其他的形状(见图例)，目的是引导流体的自我混合和对加热管壁的充分接触，从而达到快速接收电热管的热量传递。
本发明正常工作时3-10s即可获取到蒸汽，每个加热管3可以独立控制加热，可以根据蒸汽的使用需求量来启动相应数量的加热管3工作，工作灵活，可以满足不同场合的使用要求。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (6)

  1. 一种蒸汽发生器，包括一设有液体进口和蒸汽出口的管路，其特征在于：所述管路由一个或以上的加热管串接而成，每个加热管的外表面部分或全部覆盖有连续的可独立控制供电通断的加热元件。
  2. 根据权利要求1所述的一种蒸汽发生器，其特征在于：所述加热管的内部设有螺旋状填充柱。
  3. 根据权利要求1所述的一种蒸汽发生器，其特征在于：所述加热管的管外圆直径值在4mm-16mm之间。
  4. 根据权利要求1所述的一种蒸汽发生器，其特征在于：所述加热管为石英玻璃管。
  5. 根据权利要求1所述的一种蒸汽发生器，其特征在于：所述加热管外围的加热元件为电热膜。
  6. 根据权利要求1所述的一种蒸汽发生器，其特征在于：相邻加热管通过头尾直接连接的方式进行串联，或相邻加热管通过连接装置进行并联。
PCT/CN2017/094866 2016-07-29 2017-07-28 一种蒸汽发生器 WO2018019286A1 (zh)

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CN108826255B (zh) * 2018-07-13 2024-03-01 莱克电气绿能科技(苏州)有限公司 即热式蒸汽发生装置
CN108743983A (zh) * 2018-07-18 2018-11-06 芜湖艾尔达科技有限责任公司 一种速热式奶瓶蒸汽消毒器
CN110736090B (zh) * 2019-09-15 2021-10-26 宁波方太厨具有限公司 一种具有自清洁功能的蒸汽发生系统及其蒸制烹饪装置
CN111006192A (zh) * 2019-12-20 2020-04-14 袁芳革 一种贯连式蒸汽发生器
CN112586996A (zh) * 2020-12-16 2021-04-02 广东美的厨房电器制造有限公司 蒸汽发生组件及烹饪装置
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