WO2016192681A1 - 一种换热管 - Google Patents

一种换热管 Download PDF

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Publication number
WO2016192681A1
WO2016192681A1 PCT/CN2016/084877 CN2016084877W WO2016192681A1 WO 2016192681 A1 WO2016192681 A1 WO 2016192681A1 CN 2016084877 W CN2016084877 W CN 2016084877W WO 2016192681 A1 WO2016192681 A1 WO 2016192681A1
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Prior art keywords
spring strip
heat exchange
water
exchange tube
water vapor
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PCT/CN2016/084877
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English (en)
French (fr)
Inventor
何锡欢
卢庆云
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何锡欢
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Application filed by 何锡欢 filed Critical 何锡欢
Publication of WO2016192681A1 publication Critical patent/WO2016192681A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G3/00—Rotary appliances
    • F28G3/08—Rotary appliances having coiled wire tools, i.e. basket type

Definitions

  • the invention relates to the field of heat exchange components, and in particular to a heat exchange tube.
  • the wall of the corrugated heat exchange tube is thin, resulting in low pressure resistance and easy breakage;
  • the wall of the corrugated heat exchange tube is threaded, the inner wall is relatively smooth, and the water flow speed is relatively fast. Therefore, a long corrugated heat exchange tube is required to fully heat the water and steam, increase the space use area, and increase the use cost. Increase the uncertainty of perforation or rupture;
  • the existing heat exchange tubes will be provided with some deceleration components inside, but complex structures are required to fix the deceleration components, resulting in a complicated overall structure;
  • the corrugated heat exchange tube is prone to scale after long-term use. Since the corrugation of the bellows is convex outward, and the bellows is heated or cooled, the corrugation spacing is fixed, when the scale adheres to the relatively static pipeline. The inner wall is not easy to fall off. Over time, it will eventually block the pipeline, so it is necessary to carry out chemical cleaning at regular intervals.
  • the present invention requires designing a heat exchange tube that solves the above problems.
  • the technical problem to be solved by the present invention is to provide a heat exchange tube which reduces the flow rate of water by providing a spring strip in the water vapor passage, increases the time during which the water and water become heated after being heated by water, and the thermal expansion by the spring.
  • the cold shrinkage automatically releases the scale and automatically drains out of the tube with the flow of water or steam.
  • the technical problem to be solved by the invention is also to provide a heat exchange tube, which is processed into a spiral shape, simplifies the structure, reduces the occupied space, and can realize a sufficiently long heating channel in a relatively small space for water and The steam is heated in the channel for a longer period of time, increasing the efficiency of steam production.
  • the present invention provides a heat exchange tube including a water vapor passage.
  • the tube body further includes a spring strip, the spring strip is disposed in the water vapor passage, and the spring strip generates thermal expansion and contraction phenomenon according to a temperature change in the water vapor passage, and the tubular body is a spiral structure;
  • the heat exchange tube is obtained by the following method:
  • the spring strip is inserted into the water vapor passage from one end of the tubular body, and then the tubular body provided with the spring strip is bent and formed by a bender to make the tubular body spiral, and the length and outer diameter of the spring strip are The length and inner diameter of the tubular body are adapted.
  • the wire diameter, the spiral diameter, and the pitch of the spring strip change as the temperature in the water vapor passage changes.
  • the gap between the inner wall of the pipe body and the spring strip is 0.5-2 mm before the pipe body is subjected to the bending forming process.
  • the spring strip has a wire diameter ranging from 1 to 3 mm.
  • the tube wall thickness of the tube body ranges from 0.6 to 2.5 mm.
  • the inner diameter of the tubular body ranges from 6 to 30 mm.
  • both ends of the tubular body are provided with a constricted portion, and the inner diameter of the constricted portion is smaller than the outer diameter of the spring strip.
  • the pipe body is provided with connecting threads at both ends.
  • the tubular body is subjected to a bending forming process and is a cylindrical spiral or a conical spiral.
  • the tubular body is made of 304 stainless steel or 316 stainless steel; the spring strip is made of 304 stainless steel or 316 stainless steel.
  • the upper end of the pipe body is provided with a water inlet, and the lower end of the pipe body is provided with a steam outlet.
  • the present invention directly sets a spring strip in the tube body, and when the water flow in the water vapor passage passes through the spring strip, it is blocked by the spring strip, the water flow speed is slowed, the time for heating the water in the tube body is also increased, and the spring strip is passed.
  • the water flow spirally flows along the spiral shape of the spring strip, so that the water in the water vapor passage can be uniformly heated, and the water flow path can be increased, thereby further increasing the water and water after being heated and then turning into water vapor in the tube body. Heating time
  • the invention automatically removes scale by spring strips.
  • the temperature inside the tube increases, that is, the spring strip is heated and expanded. At this time, the spring strip and the tube body pass through the water in a high temperature environment with little temperature change. Flow, there is a chance to produce scale adhesion.
  • the heat exchange tube stops working the temperature inside the tube slowly drops, and the spring strip shrinks after cooling.
  • the pitch of the spring strip and the spacing between the spring strip and the inner wall of the tube change.
  • the scale adhered to the surface of the spring strip is separated from the spring strip and the inner wall of the tube due to the contraction of the spring strip.
  • the temperature inside the tube rises again.
  • the scale If scale adheres to the tube body, the scale is In the dry high temperature environment, it will also rupture and fall off.
  • the normal temperature water flows to the front part of the pipe body where the scale is easy to accumulate, and the scale immediately falls and ruptures and falls off, and is discharged with the water flow and the steam flow. Water vapor passage to ensure clean body;
  • the invention does not need to process the inner wall of the pipe body, and the wall thickness thereof is relatively thick, can withstand greater pressure, and is not prone to cracking;
  • the invention has the pipe body arranged in a spiral shape to facilitate the positioning of the spring bar, and the spring bar does not need to be connected by other connecting members, thereby simplifying the structure of the heat exchange tube of the present invention.
  • the spiral tube body is in a small space. Longer water vapor passage path can be realized, which can increase the heating time of water and water after it becomes steam, facilitate the generation of water vapor and the continuous heating of water vapor, and the spiral tube can reduce the flow rate of water in the tube. , further increase the time of water heating.
  • Figure 1 is a cross-sectional view showing the tubular body of the present invention in a straight state
  • Figure 2 is a partial enlarged view of a portion A in Figure 1;
  • Figure 3 is a front elevational view showing the tubular body of the present invention in a straight state
  • Fig. 4 is a schematic view showing the structure of the pipe body of the present invention in a cylindrical spiral shape.
  • the present invention discloses a heat exchange tube comprising a tube body 1 provided with a water vapor passage 11, the two ends of which are respectively a water inlet 1a and a steam outlet 1b, and external water After entering the water vapor passage 11 through the water inlet 1a, the water in the water vapor passage 11 is heated to become steam, and then ejected from the steam outlet 1b.
  • the upper end of the tubular body 1 is provided with a water inlet 1a.
  • the lower end of the pipe body 1 is provided The steam outlet 1b, since the water vapor flows upward in a natural state, if the steam outlet 1b is provided at the upper end, the water vapor is quickly ejected, and the present invention has the steam outlet 1b at the lower end and the water from the upper end.
  • the water inlet 1a enters.
  • the upper water plays a certain blocking effect on the water vapor in the lower part.
  • the water vapor generates an upward resistance to the water flow, and the water and water vapor can be increased in the water vapor passage 11.
  • the time of flow that is, the time during which water and water vapor are heated in the water vapor passage 11.
  • the heat exchange tube of the present invention can be used to heat water or to produce water vapor.
  • the steam outlet in the above is a water outlet.
  • the present invention is specifically described by taking water vapor as an example.
  • the present invention further includes a spring strip 2 which is disposed in the water vapor passage 11, and the spring strip 2 generates thermal expansion and contraction phenomenon as the temperature in the water vapor passage 11 changes.
  • the spring strip 2 is a common spiral structure; at this time, in combination with the relatively high elasticity and the spiral structure of the spring strip 2, the change of the movement of the spring strip 2 is relatively large, and the wire diameter and the spiral diameter of the spring strip 2 are relatively large.
  • the pitch changes that is, the radial and longitudinal directions of the spring strip 2 are expanded or contracted.
  • the scale can be completely removed, and the diameter of the spring strip 2 is the diameter of the spring wire used for the spring strip 2.
  • the helical diameter of the spring strip 2 is the diameter of the projection of the spring strip 2 on a plane perpendicular to its axial direction, the pitch of the spring strip 2 being the axial distance of the center of the two springs adjacent to the spring strip.
  • the temperature inside the tube body 1 rises, that is, the spring strip 2 is thermally expanded.
  • the scale on the surface of the spring strip 2 is broken due to the expansion of the spring strip 2, and when the heat exchange tube stops working, the tube body 1
  • the inner temperature is gradually lowered, and the spring strip 2 is cooled and contracted.
  • the scale on the surface of the spring strip 2 is separated from the spring strip 2 by the contraction of the spring strip 2, and in addition, in the process of thermal expansion and contraction of the spring strip 2, the spring is combined.
  • the spring strip 2 also has a certain expansion and contraction along the length direction of the tube body 1, which can further prevent the accumulation of scale and ensure the cleanliness in the tube body 1, when using the heat exchange tube of the invention First, let the heat exchange tube work for a period of time, discharge the scale in the water vapor passage 11, and then use it for cooking or other purposes to prevent the scale from entering the steamer.
  • the tubular body 1 is made of 304 stainless steel or 316 stainless steel
  • the spring strip 2 is made of 304 stainless steel or 316 stainless steel
  • the material of the tubular body 1 and the spring strip 2 is 304 stainless steel or 316 stainless steel, which can effectively prevent
  • the inner wall of the pipe body 1 and the spring strip 2 are corroded due to prolonged operation to avoid the sanitation of water vapor due to corrosion dissolution and spalling.
  • the pipe body 1 is a spiral structure, and the heat exchange pipe is obtained by the following method:
  • the spring strip 2 is sleeved into the water vapor passage 11 from one end of the tubular body 1, and then the tubular body 1 provided with the spring strip 2 is bent and formed by a bender to make the tubular body 1 spiral, the spring strip 2
  • the length and the outer diameter are adapted to the length and inner diameter of the tubular body 1.
  • the specific length and outer diameter are determined by the application field of the heat exchange tube.
  • the gap L between the inner wall of the pipe body 1 and the spring strip 2 is preferably 0.5-2 mm, and the gap between the pipe body 1 and the spring bar 2 is controlled to 0.5-2 mm, and the spring is secured.
  • the strip 2 does not affect the subsequent bending forming process of the pipe body 1, and the pipe body 1 and the spring bar 2 are provided with a certain gap, and a certain space is reserved for the thermal expansion and contraction of the pipe body 1 and the spring bar 2.
  • the spring strip 2 is placed in the water vapor passage 11. At this time, the spring strip 2 will move relative to the pipe body 1. If the structure is stable, it needs to be connected by providing a connection structure or other connecting members, and the present invention passes the pipe bending machine.
  • the tube body 1 provided with the spring strip 2 is subjected to a bending forming process, and the spring strip 2 placed in the tube body 1 is also bent together with the tube body 1. At this time, the spring strip 2 is not easily displaced due to the curved structure. The phenomenon can play a very good stabilizing effect. At this time, the spring strip 2 does not need to be connected by other connecting members.
  • the heat exchange tube of the present invention has a simple structure and simple processing, and the water flow in the water vapor passage 11 is not affected by other connecting members. influences.
  • the invention heats the water in the spiral strip lengthening water vapor passage 11 of the spring strip 2 and the pipe body 1. Specifically, when the water flow in the water vapor passage 11 passes through the spring strip 2, it is blocked by the spring strip 2, and the water flow speed is slowed down. The time during which the water is heated in the tube 1 is also increased. In addition, the flow of water passing through the spring strip 2 spirals with the spiral shape of the spring strip 2, so that the water in the water vapor passage can be uniformly heated and the water flow can be increased. The path further increases the time during which the water is heated in the tube 1. The spiral tube 1 can realize a longer path of the water vapor passage 11 in a smaller space, which can increase the time of water heating and facilitate the generation of water vapor.
  • the spiral tube 1 can reduce the flow rate of the water therein, further increasing the time of water heating.
  • the present invention combines the spiral shape of the spring strip 2 and the spiral shape of the tube 1 to obtain the most water in the water vapor passage 11.
  • the long heating time ensures that the water in the water vapor passage 11 can be heated into water vapor, and the water vapor is heated and heated to reach a set temperature and then ejected through the steam outlet.
  • both ends of the tubular body 1 are provided with a constricted portion, and the inner diameter of the constricted portion is smaller than the outer diameter of the spring strip 2, and the shrinkage portion prevents the spring strip 2 from slipping out of the tubular body 1 due to special circumstances, thereby ensuring
  • the heat exchange tube can work safely, and the neck portion of the present invention is produced by a pipe shrinking machine, and the shrinking process is performed after the spring strip 2 is inserted into the steam passage 11 and before the pipe body 1 is subjected to bending forming processing, which can prevent the tube
  • the body 1 has an accident such as a slip of the spring strip 2 during the bending forming process.
  • the pipe body 1 is preferably a cylindrical spiral or a conical spiral shape, and the space occupied by the workpiece is minimized on the basis of realizing the water to become water vapor.
  • the cylindrical spiral and the conical spiral are relatively stable and convenient. Installation of heat exchange tubes.
  • the inner diameter D1 of the pipe body 1 is preferably in the range of 6-30 mm, and the inner diameter of the pipe body 1 is too small, which is disadvantageous for the discharge of scale impurities, the inner diameter of the pipe body 1 is too large, and the production site and the processing machinery are relatively high, and the manufacturing is required. The cost is high.
  • the range of the outer diameter D2 of the spring strip 2 is also determined; the inner diameter range of the corresponding tube body 1 is preferably 6-30mm, the wire diameter of the spring strip 2 is preferably 1-3mm, and the wire diameter of the spring strip 2 is the diameter of the spring wire used for the spring strip 2, when the wire diameter of the spring strip 2 is within this range,
  • the spring strip 2 can play a better role in blocking the water flow speed. If the wire diameter of the spring strip 2 is too small, the water flow can not be blocked and buffered. If the wire diameter of the spring strip 2 is too large, the processing difficulty and the cost are both Have a great impact.
  • the thickness of the pipe wall of the pipe body 1 is preferably in the range of 0.6 to 2.5 mm. At this time, the pipe body 1 has a large withstand voltage and is not prone to cracking. If it is lower than this range, the pipe body may be cracked due to being too thin, if it is high. In this range, the tube body is too thick to be easily processed.
  • the present invention combines the inner diameter D1 range of the pipe body 1, the pipe wall thickness range of the pipe body 1, the wire diameter range of the spring strip 2, and the gap range L between the pipe body 1 and the spring strip 2 to ensure water and water in the pipe body 1.
  • the flow rate of the water vapor is relatively slow, and the water and water vapor in the water vapor passage 11 are sufficiently heated, and when the heat exchange tube of the present invention is in this combination range, better scale removal can be achieved.
  • the present invention can also be appropriately adjusted for each of the above ranges depending on the specific application, and is not limited to the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

一种换热管，包括设有水汽通道（11）的管体（1），还包括弹簧条（2），弹簧条（2）设于水汽通道（11）内，随着水汽通道（11）内温度变化，弹簧条（2）产生热胀冷缩现象，管体（1）为螺旋状结构；换热管通过如下方法制得：首先将弹簧条（2）由管体（1）的一端套入水汽通道（11）内，然后通过弯管机将设有弹簧条（2）的管体（1）进行弯曲成型加工以使管体（1）呈螺旋状，弹簧条（2）的长度和外径与管体（1）的长度和内径相适配。通过设置弹簧条（2）可以减缓水汽通道（11）内水的流速，从而增加水以及水受热变成的水蒸汽在水汽通道（11）内被加热的时间，并且由于弹簧条（2）的热胀冷缩可以有效防止水垢在水汽通道（11）内积聚，将管体（1）设置成螺旋状，可以加长水汽通道（11）的长度，使水汽通道（11）内的水以及水受热变成的水蒸汽能够充分受热。

Description

一种换热管 技术领域
本发明涉及换热元件领域，尤其涉及一种换热管。
背景技术
现有技术一般通过波纹换热管加热水或者制造蒸汽，但是现有技术的波纹换热管至少具有以下几个缺点：
1、波纹换热管的管壁较薄，导致其耐压低、易破裂；
2、波纹换热管虽然管壁呈螺纹型，但是内壁比较平顺，水流速度还是比较快，从而需要很长的波纹换热管才能使水及蒸汽充分受热，增加空间使用面积，提高使用成本，增加穿孔或破裂的不确定因素；
3、现有换热管为了减缓其管内水流的速度，会在内部设置一些减速部件，但是需要复杂的结构固定减速部件，导致整体结构复杂；
4、波纹换热管在长期使用后容易产生水垢，由于波纹管的波纹是向外凸的，而且波纹管尽管加热或受冷，波纹间距还是固定不变的，当水垢附着于相对静止的管道内壁就不容易脱落，日积月累，最终会堵死管道，故需要定时进行化学清洗。
所以本发明需要设计一种解决上述问题的换热管。
发明内容
本发明所要解决的技术问题在于，提供一种换热管，通过在水汽通道内设置弹簧条减缓水的流速，增加水及水受热后变成水蒸汽后加热的时间，并且通过弹簧的热胀冷缩实现水垢的自动脱落，并随水流或蒸汽流自动排出管外。
本发明所要解决的技术问题还在于，提供一种换热管，将管体加工成螺旋状，简化结构，减少占用空间，可以实现在相对较小的空间内有足够长的加热通道让水和蒸汽在通道内实现较长时间的加热，提高制造蒸汽的效率。
为了解决上述技术问题，本发明提供了一种换热管，包括设有水汽通道的 管体，还包括弹簧条，所述弹簧条设于水汽通道内，随着水汽通道内温度变化，所述弹簧条产生热胀冷缩现象，所述管体为螺旋状结构；
所述换热管通过如下方法制得：
首先将弹簧条由管体的一端套入水汽通道内，然后通过弯管机将设有弹簧条的管体进行弯曲成型加工以使管体呈螺旋状，所述弹簧条的长度和外径与所述管体的长度和内径相适配。
作为上述方案的改进，随着水汽通道内温度变化，所述弹簧条的线径、螺旋直径以及螺距均发生变化。
作为上述方案的改进，所述管体在进行弯曲成型加工之前，管体的内壁与弹簧条之间的间隙为0.5-2mm。
作为上述方案的改进，所述弹簧条的线径范围为1-3mm。
作为上述方案的改进，所述管体的管壁厚度范围为0.6-2.5mm。
作为上述方案的改进，所述管体的内径范围为6-30mm。
作为上述方案的改进，所述管体的两端设有缩口部，所述缩口部的内径小于弹簧条的外径。
作为上述方案的改进，所述管体的两端设有连接螺纹。
作为上述方案的改进，所述管体进行弯曲成型加工后为圆柱螺旋状或者圆锥螺旋状。
作为上述方案的改进，所述管体由304不锈钢或316不锈钢制成；所述弹簧条由304不锈钢或316不锈钢制成。
作为上述方案的改进，所述管体的上端设有进水口，所述管体的下端设有出汽口。
实施本发明的实施例，具有如下有益效果：
1、本发明通过在管体内直接设置弹簧条，水汽通道内的水流经过弹簧条时，会受到弹簧条的阻挡，水流速度减缓，水在管体内加热的时间也会增加，另外，经过弹簧条的水流会随着弹簧条的螺旋外形进行螺旋流动，以使水汽通道内的水能够均匀受热，并且可以增加水流动的路径，从而进一步增加水及及水受热后变成水蒸汽后在管体内加热的时间；
2、本发明通过弹簧条自动去除水垢，当换热管工作时，管体内温度增加，即弹簧条受热膨胀，此时，弹簧条及管体在温度变化不大的高温环境下通过水 流，有机会产生水垢粘附，当换热管停止工作，管体内温度慢慢下降，弹簧条冷却后收缩，相应的，弹簧条的螺距以及弹簧条与管体内壁之间的间距发生变化，此时，粘附在弹簧条表面的水垢由于弹簧条的收缩而脱离弹簧条及管体内壁，另外，当下一次再工作时，管内温度再次升高，如果管体内还有水垢粘附，水垢在干燥高温环境下也会破裂脱落，当管体内温度上升达到设定的进水温度时，常温水流经至容易积聚水垢的管体前部分位置，水垢马上降温破裂并脱落，随水流及汽流排出水汽通道，保证管体内干净；
3、相对现有技术的波纹管，本发明无需对管体的内壁进行加工，其壁厚相对较厚，可以承受更大的压力，不容易产生破裂的现象；
4、本发明将管体设置为螺旋状，便于弹簧条的定位，弹簧条无需其它连接部件进行连接，从而简化本发明换热管的结构，另外，螺旋状的管体在较小的空间即可实现较长的水汽通道路径，可以增加水及水变成蒸汽后的加热的时间，便于水蒸汽的产生以及水蒸汽的继续升温，并且螺旋状的管体可以减小其管体内水的流速，进一步增加水加热的时间。
附图说明
图1是本发明的管体处于直线状态时的剖视图；
图2是图1中A处的局部放大图；
图3是本发明的管体处于直线状态时的正面示意图；
图4是本发明的管体为圆柱螺旋状时的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。仅此声明，本发明在文中出现或即将出现的上、下、左、右、前、后、内、外等方位用词，仅以本发明的附图为基准，其并不是对本发明的具体限定。
参见附图1至附图4，本发明公开了一种换热管，包括设有水汽通道11的管体1，管体1的两端分别为进水口1a和出汽口1b，外部的水通过进水口1a进入水汽通道11内，水汽通道11内的水经过加热后变成水蒸汽，然后由出汽口1b喷出，优选的，所述管体1的上端设有进水口1a，所述管体1的下端设有 出汽口1b，由于水蒸汽在自然状态下是向上流动的，如果将出汽口1b设于上端，水蒸汽会很快喷出，本发明将出汽口1b设于下端，水由上端的进水口1a进入，此时，上部的水对下部的水蒸汽起到一定的阻隔作用，反过来，水蒸汽会对水的流动产生一个向上的阻力，可以增加水和水蒸汽在水汽通道11内流动的时间，即增加水和水蒸汽在水汽通道11内加热的时间。
本发明的换热管可以用于加热水或者制造水蒸汽，当用于加热水时，上述中的出汽口为出水口，为了便于说明，本发明以制造水蒸汽为例具体说明。
为了达到本发明的目的，本发明还包括弹簧条2，所述弹簧条2设于水汽通道11内，随着水汽通道11内温度变化，所述弹簧条2产生热胀冷缩现象，本发明所述的弹簧条2为常见的螺旋形结构；此时，结合弹簧条2相对较高的弹性以及螺旋结构，弹簧条2活动的变化相对较大，所述弹簧条2的线径、螺旋直径以及螺距均发生变化，即弹簧条2的径向和长度方向均产生扩张或者收缩，此时，可以实现水垢的全面清除，弹簧条2的线径即制作弹簧条2使用的弹簧丝的直径，弹簧条2的螺旋直径即弹簧条2在与其轴向垂直的面的投影的直径，弹簧条2的螺距即弹簧条相邻两圈中心的轴向距离。
当换热管工作时，管体1内温度上升，即弹簧条2受热膨胀，此时，弹簧条2表面的水垢由于弹簧条2的膨胀会产生破裂，当换热管停止工作，管体1内温度慢慢下降，弹簧条2冷却后收缩，此时，弹簧条2表面的水垢由于弹簧条2的收缩而脱离弹簧条2，另外，在弹簧条2热胀冷缩的过程中，结合弹簧条2相对较高的弹性，弹簧条2也会沿着管体1的长度方向产生一定的伸缩，可以进一步防止水垢的积累，保证管体1内的洁净度，使用本发明的换热管时，先让换热管工作一段时间，将水汽通道11内的水垢排出，然后再用于蒸煮或其它用途，以免水垢进入到蒸锅内。
优选的，所述管体1由304不锈钢或316不锈钢制成，所述弹簧条2由304不锈钢或316不锈钢制成，管体1和弹簧条2的材料选择304不锈钢或316不锈钢，可以有效防止管体1内壁和弹簧条2由于长时间工作而被腐蚀掉，避免由于腐蚀溶解和剥落而影响水蒸汽的卫生。
所述管体1为螺旋状结构，所述换热管通过如下方法制得：
首先将弹簧条2由管体1的一端套入水汽通道11内，然后通过弯管机将设有弹簧条2的管体1进行弯曲成型加工以使管体1呈螺旋状，所述弹簧条2的 长度和外径与所述管体1的长度和内径相适配。具体长度和外径由换热管的应用领域决定，当需要水流量较大时，管体1的长度以及内径相对较大，此时弹簧条2的长度和外径相对选择较大的。所述管体1在进行弯曲成型加工之前，管体1的内壁与弹簧条2之间的间隙L优选为0.5-2mm，将管体1和弹簧条2的间隙控制在0.5-2mm，保证弹簧条2不会影响管体1后续的弯曲成型加工，并且将管体1和弹簧条2设置一定的间隙，为管体1以及弹簧条2的热胀冷缩预留一定的空间。
首先将弹簧条2置于水汽通道11内，此时，弹簧条2会相对管体1移动，若要结构稳定，则需要通过设置连接结构或者其它连接件进行连接，本发明则通过弯管机将设有弹簧条2的管体1进行弯曲成型加工，置于管体1内的弹簧条2也随着管体1一同弯曲，此时，弹簧条2由于弯曲的结构不容易出现移位的现象，可以起到很好的稳固作用，此时，弹簧条2无需其它连接部件进行连接，本发明的换热管结构简单、加工简便，并且水汽通道11内的水流不会受到其它连接件的影响。
本发明通过弹簧条2以及管体1的螺旋状加长水汽通道11内水加热的时间，具体的，水汽通道11内的水流经过弹簧条2时，会受到弹簧条2的阻挡，水流速度减缓，水在管体1内加热的时间也会增加，另外，经过弹簧条2的水流会随着弹簧条2的螺旋外形进行螺旋流动，以使水汽通道内的水能够均匀受热，并且可以增加水流动的路径，从而进一步增加水在管体1内加热的时间，螺旋状的管体1在较小的空间即可实现较长的水汽通道11路径，可以增加水加热的时间，便于水蒸汽的产生，并且螺旋状的管体1可以减小其内水的流速，进一步增加水加热的时间，本发明结合弹簧条2的螺旋状以及管体1的螺旋状，使水汽通道11内的水得到最长的加热时间，保证水汽通道11内的水能加热成水蒸汽，并且让水蒸汽继续加热升温，达到设定的温度再通过出汽口喷出。
进一步地，所述管体1的两端设有缩口部，所述缩口部的内径小于弹簧条2的外径，通过缩口部防止弹簧条2由于特殊情况滑出管体1，保证换热管能够安全工作，本发明的缩口部通过管道缩口机加工制得，并且缩口加工在弹簧条2套入水汽通道11之后以及管体1进行弯曲成型加工之前进行，可以防止管体1在弯曲成型加工时出现弹簧条2滑落等意外情况。
为了简化结构，去除管体1与其它结构的焊接工序，本发明在所述管体1 的两端设有连接螺纹12，通过螺纹连接结构简单，并且可更换性强。
所述管体1进行弯曲成型加工后优选为圆柱螺旋状或者圆锥螺旋状，在实现水变成水蒸汽的基础上尽量减小工件所占用的空间，圆柱螺旋和圆锥螺旋相对比较稳固，并且便于换热管的安装。
所述管体1的内径D1范围优选为6-30mm，管体1的内径太小，不利于水垢杂质的排出，管体1的内径太大，对于生产场地和加工机械要求比较高，且制造成本高，由于弹簧条2和管体1之间的间隙L范围确定、管体1的管壁厚度范围确定，所以弹簧条2的外径D2的范围也确定；对应管体1的内径范围优选为6-30mm，所述弹簧条2的线径范围优选为1-3mm，弹簧条2的线径即制作弹簧条2使用的弹簧丝的直径，当弹簧条2的线径处于此范围时，弹簧条2可以起到比较好的阻隔水流速度的作用，如果弹簧条2的线径太小，对水流起不到阻隔缓冲作用，如果弹簧条2的线径太大，对于加工难度和成本都有很大的影响。
管体1的管壁厚度范围优选为0.6-2.5mm，此时，管体1的耐压较大，不容易发生破裂，如果低于这个范围，管体会因为太薄容易发生破裂现象，如果高于这个范围，管体会因为太厚不容易加工。
本发明结合管体1的内径D1范围、管体1的管壁厚度范围、弹簧条2的线径范围以及管体1和弹簧条2之间的间隙范围L，保证管体1内的水和水蒸汽的流速相对较为迟缓，对水汽通道11内的水和水蒸汽进行充分加热，并且本发明的换热管处于此组合范围时，可以实现较佳的水垢清除。本发明也可以根据具体应用对上述各个范围进行适当的调整，并不局限与本发明的范围。

Claims (10)

  1. 一种换热管，包括设有水汽通道的管体，其特征在于，还包括弹簧条，所述弹簧条设于水汽通道内，随着水汽通道内温度变化，所述弹簧条产生热胀冷缩现象，所述管体为螺旋状结构；
    所述换热管通过如下方法制得：
    首先将弹簧条由管体的一端套入水汽通道内，然后通过弯管机将设有弹簧条的管体进行弯曲成型加工以使管体呈螺旋状，所述弹簧条的长度和外径与所述管体的长度和内径相适配。
  2. 根据权利要求1所述的换热管，其特征在于，随着水汽通道内温度变化，所述弹簧条的线径、螺旋直径以及螺距均发生变化。
  3. 根据权利要求1所述的换热管，其特征在于，所述管体在进行弯曲成型加工之前，管体的内壁与弹簧条之间的间隙为0.5-2mm。
  4. 根据权利要求1所述的换热管，其特征在于，所述弹簧条的线径范围为1-3mm。
  5. 根据权利要求1所述的换热管，其特征在于，所述管体的管壁厚度范围为0.6-2.5mm。
  6. 根据权利要求1至5任一项所述的换热管，其特征在于，所述管体的内径范围为6-30mm。
  7. 根据权利要求1所述的换热管，其特征在于，所述管体的两端设有缩口部，所述缩口部的内径小于弹簧条的外径。
  8. 根据权利要求1所述的换热管，其特征在于，所述管体的两端设有连接螺纹。
  9. 根据权利要求1所述的换热管，其特征在于，所述管体进行弯曲成型加工后为圆柱螺旋状或者圆锥螺旋状。
  10. 根据权利要求1所述的换热管，其特征在于，所述管体由304不锈钢或316不锈钢制成；
    所述弹簧条由304不锈钢或316不锈钢制成。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114484411A (zh) * 2022-01-28 2022-05-13 靖江市格利环保科技有限公司 一种耐腐蚀蒸汽发生器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016192685A1 (zh) * 2015-06-04 2016-12-08 何锡欢 一种便携式蒸汽发生器
WO2016192682A1 (zh) * 2015-06-04 2016-12-08 何锡欢 一种快速高温蒸汽发生器
CN204902655U (zh) * 2015-06-04 2015-12-23 广东力新热能科技有限公司 一种弹簧换热管
WO2016192683A1 (zh) * 2015-06-04 2016-12-08 何锡欢 一种快速高温加热装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2062817U (zh) * 1989-11-06 1990-09-26 孙力刚 一种用于管状换热器的换热管
US6119769A (en) * 1998-08-05 2000-09-19 Visteon Global Technologies, Inc. Heat transfer device
JP2012112625A (ja) * 2010-11-28 2012-06-14 Cku:Kk スパイラル状のバネを挿入した伝熱管の製造方法、および、その伝熱管
CN202403594U (zh) * 2012-01-16 2012-08-29 安吉恒盛热能机械有限公司 一种换热管
CN105090923A (zh) * 2015-10-06 2015-11-25 广东力新热能科技有限公司 一种高效节能的铸铝体
CN204853428U (zh) * 2015-10-06 2015-12-09 广东力新热能科技有限公司 一种高效节能的铸铝体
CN204902655U (zh) * 2015-06-04 2015-12-23 广东力新热能科技有限公司 一种弹簧换热管

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2062817U (zh) * 1989-11-06 1990-09-26 孙力刚 一种用于管状换热器的换热管
US6119769A (en) * 1998-08-05 2000-09-19 Visteon Global Technologies, Inc. Heat transfer device
JP2012112625A (ja) * 2010-11-28 2012-06-14 Cku:Kk スパイラル状のバネを挿入した伝熱管の製造方法、および、その伝熱管
CN202403594U (zh) * 2012-01-16 2012-08-29 安吉恒盛热能机械有限公司 一种换热管
CN204902655U (zh) * 2015-06-04 2015-12-23 广东力新热能科技有限公司 一种弹簧换热管
CN105090923A (zh) * 2015-10-06 2015-11-25 广东力新热能科技有限公司 一种高效节能的铸铝体
CN204853428U (zh) * 2015-10-06 2015-12-09 广东力新热能科技有限公司 一种高效节能的铸铝体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114484411A (zh) * 2022-01-28 2022-05-13 靖江市格利环保科技有限公司 一种耐腐蚀蒸汽发生器

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