WO2016192683A1 - 一种快速高温加热装置 - Google Patents

一种快速高温加热装置 Download PDF

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Publication number
WO2016192683A1
WO2016192683A1 PCT/CN2016/084879 CN2016084879W WO2016192683A1 WO 2016192683 A1 WO2016192683 A1 WO 2016192683A1 CN 2016084879 W CN2016084879 W CN 2016084879W WO 2016192683 A1 WO2016192683 A1 WO 2016192683A1
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WIPO (PCT)
Prior art keywords
heat exchange
exchange tube
spring strip
water vapor
temperature heating
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Application number
PCT/CN2016/084879
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English (en)
French (fr)
Inventor
何锡欢
卢庆云
Original Assignee
何锡欢
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201520378516.XU external-priority patent/CN204902655U/zh
Priority claimed from CN201520468309.3U external-priority patent/CN204756855U/zh
Application filed by 何锡欢 filed Critical 何锡欢
Publication of WO2016192683A1 publication Critical patent/WO2016192683A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/16—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled

Definitions

  • the invention relates to the field of heating devices, and in particular to a rapid high temperature heating device.
  • the water is directly boiled to 100 ° C to produce no more than 100 ° C.
  • Water vapor the other is through a pressurized boiler, using high temperature and high pressure to heat the water to a high temperature steam above 100 ° C, if using high temperature and high pressure to turn the water into a very high temperature steam of 374.5 ° C, must be at a pressure of 22.1MPa ( Corresponding to the pressure of 221 kg / cm 2 ) can be achieved in the environment, boiling water in a closed container, not only easy to produce scale, but also high pressure is very dangerous, leading to another factor of explosion risk, and when the boiler pressure reaches 221MPa, then high The pressure or temperature, the steam temperature will not rise again, which is the highest critical temperature of water vapor that can be achieved by existing heating technology. Therefore, it is necessary to design a rapid high-temperature heating device that can be arbitrarily set with
  • the technical problem to be solved by the present invention is to provide a rapid high-temperature heating device which realizes direct uninterrupted heating of water into boiling water or high-temperature steam in a short time.
  • the present invention provides a rapid high-temperature heating device comprising a bracket and a burner and a tower-shaped heat receiving body disposed on the bracket, the bracket being partitioned into an upper chamber and a lower chamber by an intermediate partition,
  • the intermediate partition is provided with a through hole communicating with the upper chamber and the lower chamber, the tower-shaped heating body is disposed in the upper chamber, the burner is disposed in the lower chamber; and the tower-shaped heating body is provided a heat exchange tube of a water vapor passage, wherein two ends of the water vapor passage are respectively provided with a water inlet port and an steam outlet, wherein the heat exchange tube is a spiral structure with a small upper and a lower, and the water inlet is located at an upper end of the heat exchange tube.
  • the steam outlet is located at a lower end of the heat exchange tube.
  • the inner side wall of the tower-shaped heat receiving body forms a combustion chamber that is open at the upper and lower sides, and the lower opening of the combustion chamber is disposed directly above the through hole and larger than the through hole.
  • the ratio of the spiral height difference of the heat exchange tube to the outermost spiral outer diameter is greater than or equal to 1.
  • the outer side wall of the tower-shaped heat receiving body is wrapped with an insulating layer.
  • the burner is a broken annular tubular structure, one end of the burner is closed, the other end is provided with a fuel inlet, and the top of the burner is provided with a gas outlet, the ring of the burner The outer diameter is smaller than the outer diameter of the spiral at the bottom of the heat exchange tube.
  • the top of the heat exchange tube is provided with an exhaust ventilation duct
  • the lower opening of the exhaust ventilation duct is in communication with the spiral center of the heat exchange tube
  • the upper opening of the exhaust ventilation duct protrudes from the bracket Connected with the outside world.
  • a hollow inner cup having a truncated cone shape is also included, and the heat exchange tube is in close contact with the outer wall of the hollow inner cup, and the hollow inner cup and the heat exchange tube are cast into a unitary structure by cast aluminum.
  • a spring strip is disposed in the water vapor passage, and the spring strip is thermally expanded and contracted as the temperature in the water vapor passage changes.
  • the wire diameter, the spiral diameter, and the pitch of the spring strip change as the temperature in the water vapor passage changes.
  • the heat exchange tube is obtained by firstly inserting a spring strip from one end of the heat exchange tube into a water vapor passage, and then bending the heat exchange tube provided with the spring strip through a bender Processing to spiral the heat exchange tubes, the length and outer diameter of the spring strips being adapted to the length and inner diameter of the heat exchange tubes.
  • the gap between the inner wall of the heat exchange tube and the spring strip is 0.5-2 mm before the heat exchange tube is subjected to the bending forming process.
  • the inner diameter of the heat exchange tube ranges from 6 to 30 mm; the diameter of the spring strip ranges from 1 to 3 mm; and the wall thickness of the heat exchange tube ranges from 0.6 to 2.5 mm.
  • This heating device completely breaks through the existing water vapor heating technology, and has the advantages of small volume, large steam production, low energy consumption, high steam temperature, self-cleaning function and automatic scale removal. It is especially suitable for outdoor power shortage environment. .
  • the heating device of the invention can directly heat the water to above 350 ° C in a few minutes without pressure, and the heat exchange tube can select heat exchange tubes of different thicknesses and different characteristics according to the pressure requirements of the use environment.
  • the heat exchange tube can withstand pressure of 10 MPa or more, and the heating device of the invention is safe, energy-saving, fast and efficient, and is an ideal product for replacing the boiler;
  • the present invention sets the heat exchange tube to a spiral shape which is large and small, that is, the outer diameter of the upper and lower spirals is gradually increased.
  • the upper and lower layers have a position difference on the horizontal projection surface, so that each layer can be changed.
  • the heat pipe can be fully heated to increase the heat of the water in the water vapor channel and the water vapor.
  • the water entering from the water inlet flows from the top to the bottom along the spiral heat exchange tube, and at the beginning, the heat is relatively low. It is equivalent to the initial preheating, and then is heated at a high temperature through the middle part of the tower-shaped heating body, and then becomes water vapor in the subsequent flow process. Due to the larger outer diameter of the lower spiral, the heating time is longer, and the water vapor is in the water vapor passage. Further heating can be performed to obtain high temperature water vapor;
  • the inner wall of the tower-shaped heated body is fully heated.
  • the heat is substantially completely absorbed, so that the heat is exchanged.
  • the water in the tube can be heated quickly, minimizing heat loss, and the conversion efficiency is higher than the traditional combustion heating.
  • the heating device of the invention has wide application range and can replace the traditional boiler, and can also be used for kitchen cooking, tableware cleaning and disinfection, medical cosmetic disinfection. , sauna or other industrial areas, especially in environments where outdoor power is scarce;
  • the water in the water vapor passage is heated to become steam, and then ejected from the steam outlet.
  • the present invention sets the water inlet to the upper end and the steam outlet to the lower end, because the water vapor is in a natural state. The lower flow is upward. If the steam outlet is provided at the upper end, the water vapor will be quickly ejected. According to the present invention, the steam outlet is provided at the lower end, and the water is introduced from the upper water inlet. At this time, the upper water is opposite to the lower portion. Water vapor acts as a barrier.
  • water vapor creates an upward resistance to water flow, which increases the time it takes for water and water vapor to flow in the water vapor channel, ie, increases water and water vapor heating in the water vapor channel.
  • the time is such that all the water in the water vapor channel becomes water vapor and then discharged, and the water inlet is arranged at the upper end to facilitate the elimination of scale in the water vapor passage.
  • FIG. 1 is a schematic view showing the overall structure of a rapid high-temperature heating device of the present invention
  • Figure 2 is a schematic structural view of Figure 1 after removing a part of the frame
  • Figure 3 is a plan view of the rapid high temperature heating device of the present invention.
  • Figure 4 is a cross-sectional view of Figure 3 taken along the line AA;
  • Figure 5 is a schematic view showing the structure of a tower-shaped heating body of the present invention.
  • Figure 6 is a schematic structural view of a burner of the present invention.
  • Figure 7 is a cross-sectional view showing the heat exchange tube of the present invention in a straight state
  • Figure 8 is a partial enlarged view of B in Figure 7;
  • Figure 9 is a front elevational view showing the heat exchange tube of the present invention in a straight line state.
  • the present invention discloses a rapid high-temperature heating apparatus comprising a bracket 1 and a burner 2 and a tower-shaped heat receiving body 3 provided on the bracket 1.
  • the bracket 1 is partitioned by an intermediate partition 11 into an upper chamber 12 and a lower chamber 13, and the intermediate partition 11 is provided with a through hole 14 communicating with the upper chamber 12 and the lower chamber 13, the tower-shaped heat receiving body 3 is disposed in the lower chamber 13, and the burner 2 is disposed in the lower chamber 13.
  • the tower-shaped heat receiving body 3 includes a heat exchange tube 31 provided with a water vapor passage 311, and two ends of the water vapor passage 311 are respectively provided with a water inlet 31a and an outlet port 31b, and the heat exchange tube 31 is upper and lower.
  • the spiral structure, the water inlet 31a is located at the upper end of the heat exchange tube 31, and the steam outlet 31b is located at the lower end of the heat exchange tube 31, that is, the water inlet 31a is located at the upper end of the spiral, and the steam outlet 31b is located below the spiral.
  • the upper and lower spirals form a tower-shaped heat receiving body, that is, the side wall of the tower-shaped heat receiving body 3 is constituted by the heat exchange tubes 31.
  • the heat exchange tube 31 of the present invention extends at the water inlet 31a and the water outlet 31b to form a joint portion, which is not included in the spiral Shaped part.
  • the water in the water vapor passage 311 is heated to become steam, and then ejected from the steam outlet 31b.
  • the present invention sets the water inlet 31a at the upper end and the steam outlet 31b at the lower end due to the water vapor. In the natural state, it flows upward. If the steam outlet 31b is provided at the upper end, the water vapor will be quickly ejected.
  • the steam outlet 31b is disposed at the lower end, and the water enters from the upper water inlet 31a. At this time, the upper portion The water acts as a barrier to the lower water vapor.
  • the water vapor creates an upward resistance to the flow of water, which increases the amount of time water and water vapor flows in the water vapor channel 311, ie, increases water and water.
  • the time during which the steam is heated in the water vapor passage 311 is such that all the water in the water vapor passage 311 becomes water vapor and then discharged, and the water inlet 31a is provided at the upper end to facilitate the discharge of scale in the steam passage 311.
  • the present invention sets the heat exchange tube 31 to have a spiral shape that is large and small, that is, from the top to the bottom of the spiral outer diameter.
  • the upper and lower layer spirals have a position difference on the horizontal projection surface, so that each layer of the heat exchange tubes 31 can be sufficiently heated, and the water in the water vapor passage 311 and the heat of the water vapor are increased, and
  • the heat exchange tube 31 is arranged in a spiral shape which is large and small, and has a high space utilization rate.
  • the inner wall of the tower-shaped heating body 3 is sufficiently heated.
  • the heat is substantially completely absorbed, so that the heat is exchanged.
  • the water in the heat pipe 31 can be quickly heated to minimize heat loss, and the conversion efficiency is higher than that of the conventional combustion heating.
  • the heating device of the invention has a wide range of uses, can replace the traditional boiler, and can also be applied to kitchen cooking, tableware cleaning and disinfection, medical treatment. Cosmetic disinfection, sauna or other industrial applications.
  • steam is used to dye and finish the fabric; in the case of commerce, hotels, saunas, bathing centers and catering industries use steam as a heat source for heating; for daily life, for example, steam heating, and many more.
  • the water can be directly heated to 100 ° C continuously, or the water can be directly heated to a high temperature steam of 300 ° C or higher, which is convenient for different requirements under different conditions.
  • a high temperature steam of 300 ° C or higher
  • the inner side wall 3a of the tower-shaped heating body 3 forms an upper and lower open combustion chamber 32.
  • the lower opening of the combustion chamber 32 is disposed directly above the through hole 14 and larger than the through hole 14, and the combustion chamber 32 That is, in the hollow portion of the spiral center line of the spiral heat exchange tube 31, since the combustion chamber 32 is surrounded, the combustion chamber 32 shown in Fig. 5 is displayed after the partial hollow inner cup 33 is removed.
  • the flame from below the through hole 14 directly enters the combustion chamber 32 of the upper chamber 12, that is, the heat exchange tube 31 surrounds the flame, and at this time, the heat exchange tube 31 sufficiently absorbs the heat energy of the flame, and the water in the water vapor passage 311 can be completely
  • the heating device of the present invention the heat energy of the burner 2 is fully utilized, and the energy utilization rate is extremely high.
  • the ratio of the spiral height difference e of the heat exchange tube 31 to the outermost spiral outer diameter D1 is greater than or equal to 1.
  • the heat absorption efficiency of the heat exchange tube 31 is high, and the flame of the burner 2 is in the tower shape heating body 3.
  • the heat is relatively low, which is equivalent to the initial preheating, and then the high temperature is passed through the middle portion of the tower shaped heating body 3. After heating, it turns into water vapor, and the water vapor is further heated in the water vapor passage 311 to obtain high-temperature steam.
  • the present invention encloses the heat insulating layer 4 on the outer side wall 3b of the tower-shaped heat receiving body 3, and reduces the heat loss of the heat exchange tube 31 by providing the heat insulating layer 4.
  • the absorption efficiency of water and water vapor in the water vapor passage 311 is increased.
  • the burner 2 is a broken annular tubular structure, one end of the burner 2 is closed (ie, the closed end 2a), the other end is provided with a fuel inlet 2b, and the top of the burner 2 is provided with a gas outlet 21
  • the outer diameter of the ring of the burner 2 is smaller than the outer diameter D1 of the bottom of the heat exchange tube 31.
  • the fuel is preferably gas.
  • the gas enters the tube of the burner 2 from the fuel inlet 2b for combustion, and then the flame is ejected through the gas outlet 21, and the flame enters the upper chamber 12 through the through hole 14 and heats the heat.
  • Tube 31 the fuel of the present invention may also be fuel or other material for combustion, and the structure of the burner 2 used is different for different fuels.
  • the top of the heat exchange tube 31 is provided with an exhaust ventilation duct 5, and the lower opening of the exhaust ventilation duct 5 communicates with the spiral center of the heat exchange tube 31, and the upper opening of the exhaust ventilation duct 5
  • the support 1 is connected to the outside.
  • the heat exchange tube 31 of the present invention is preferably processed in the following two ways:
  • the aluminum is cast through the hollow inner cup 33.
  • the present invention further includes a hollow inner cup 33 having a truncated cone shape, and the heat exchange tube 31 is in close contact with the outer wall of the hollow inner cup 33, and the hollow inner cup 33 and the heat exchange tube 31 are cast into a unitary structure by cast aluminum.
  • the exhaust ventilation duct 5 is integrally cast with the hollow inner cup 33 and the heat exchange tube 31 cast aluminum.
  • the bending process is performed by a bender to form a desired spiral shape, which will be described in detail below.
  • the existing heating device generally has threads on the inner wall of the water pipe (ie, disposed at the heat exchange tube 31 of the present invention) for slowing down the water flow rate and the removal of dirt, but the water pipe has at least the following disadvantages:
  • the pipe wall of the water pipe is thin, resulting in low pressure resistance and easy breakage
  • the present invention adopts the following technical solutions.
  • the water vapor channel 311 is provided with a spring strip 6 , and the spring strip 6 generates thermal expansion and contraction phenomenon according to the temperature change in the water vapor channel 311 .
  • the spring strip 6 of the present invention is a common spiral structure. At this time, in combination with the relatively high elasticity and the spiral structure of the spring strip 6, the change of the movement of the spring strip 6 is relatively large, and the wire diameter, the spiral diameter and the pitch of the spring strip 6 are changed, that is, the diameter of the spring strip 6 Both expansion and contraction occur in both the longitudinal direction and the longitudinal direction. At this time, the overall removal of the scale can be achieved.
  • the diameter of the spring strip 6 is the diameter of the spring wire used for the spring strip 6, and the spiral diameter of the spring strip 6 is the spring strip 6
  • the temperature inside the heat exchange tube 31 rises, that is, the spring strip 6 is thermally expanded.
  • the scale on the surface of the spring strip 6 is broken due to the expansion of the spring strip 6, when the heat exchange tube 31 stops working.
  • the temperature in the heat exchange tube 31 gradually decreases, and the spring strip 6 shrinks after cooling.
  • the scale on the surface of the spring strip 6 is separated from the spring strip 6 by the contraction of the spring strip 6, and in addition, the spring strip 6 is thermally expanded and contracted.
  • the spring strip 6 in combination with the relatively high elasticity of the spring strip 6, also has a certain expansion and contraction along the length direction of the heat exchange tube 31, which can further prevent the accumulation of scale and ensure the cleanliness in the heat exchange tube 31, and use
  • the working device is first heated for a few minutes to discharge the scale in the water vapor passage 311, and then used for cooking or other purposes to prevent scale from entering the steaming cabinet.
  • the heat exchange tube 31 is made of 304 stainless steel or 316 stainless steel
  • the spring strip 6 is made of 304 stainless steel or 316 stainless steel
  • the heat exchange tube 31 and the spring strip 6 are made of 304 stainless steel or 316 stainless steel.
  • the inner wall of the heat exchange tube 31 and the spring strip 6 are effectively prevented from being corroded due to long-term operation, thereby preventing the water vapor from being affected by corrosion dissolution and peeling.
  • the heat exchange tube 31 is obtained by the following method:
  • the spring strip 6 is sleeved into the water vapor passage 311 from one end of the heat exchange tube 31, and then the heat exchange tube 31 provided with the spring strip 6 is bent and formed by the bender to make the heat exchange tube 31 spiral.
  • the length and outer diameter of the spring strip 6 are adapted to the length and inner diameter of the heat exchange tube 31.
  • the heat exchange tube 31 provided with the spring strip 6 is bent and formed by one end of the water inlet 31a by a bender to make the heat exchange tube 31 spiral upward and small.
  • the steam outlet 31b is located at the lower end of the heat exchange tube 31, and the processing direction of this mode is from top to bottom, and the water inlet 31a For the head end, the outlet port 31b is the end;
  • the heat exchange tube 31 provided with the spring strip 6 is bent upwardly and inwardly from one end of the steam outlet 31b by the bender to make the heat exchange tube 31 spiral upward and downward.
  • the water inlet 31a is located at the upper end of the heat exchange tube 31.
  • the processing direction of this mode is from bottom to top, the outlet port 31b is the head end, and the water inlet 31a is the end.
  • the specific length and inner diameter of the heat exchange tube 31 are determined by the application site and the use of the heating device. When the heating device is large and the required water flow rate is also large, the length and the inner diameter of the heat exchange tube 31 are relatively large, and the spring strip is at this time. The length and outer diameter of 6 are relatively large, and instead, the spring strip 6 of relatively small length and outer diameter is selected.
  • the gap L between the inner wall of the heat exchange tube 31 and the spring strip 6 is preferably 0.5-2 mm, and the gap between the heat exchange tube 31 and the spring strip 6 is controlled at 0.5-2 mm. , ensuring that the spring strip 6 does not affect the subsequent bending forming process of the heat exchange tube 31, and the heat exchange tube 31 and the spring strip 6 are provided with a certain gap, and the heat expansion tube 31 and the spring strip 6 are reserved for thermal expansion and contraction. Space.
  • the spring strip 6 is placed in the water vapor channel 311. At this time, the spring strip 6 moves relative to the heat exchange tube 31. 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 curved tube.
  • the heat exchange tube 31 provided with the spring strip 6 is bent and formed, and the spring strip 6 placed in the heat exchange tube 31 is also bent together with the heat exchange tube 31. At this time, the spring strip 6 is not easily bent due to the structure. The phenomenon of displacement can play a good stability. At this time, the spring strip 6 does not need to be connected by other connecting members.
  • the heat exchange tube 31 of the present invention has a simple structure and is easy to process, and the water flow in the water vapor passage 311 does not. Affected by other connectors, it should be noted that the spring strip 6 of the present invention can still have a small range of movement.
  • the invention heats the water in the spiral lengthening water vapor passage 311 of the spring strip 6 and the heat exchange tube 31. Specifically, when the water in the water vapor passage 311 passes through the spring strip 6, it is blocked by the spring strip 6, and the water flow speed is slowed down. The time during which the water is heated in the heat exchange tube 31 is also increased. In addition, the water flow passing through the spring strip 6 spirally flows along the spiral shape of the spring strip 6, so that the water in the water vapor passage 311 can be uniformly heated, and Increasing the path of water flow, thereby further increasing the heating time of the water in the heat exchange tube 31, the spiral heat exchange tube 31 can realize a longer water vapor passage 311 path in a small space, which can increase the water heating time.
  • the water vapor is facilitated, and the spiral heat exchange tube 31 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 6 and the spiral shape of the heat exchange tube 31 to make water vapor.
  • the water in the channel 311 receives the longest heating time to ensure the water vapor pass.
  • the water in the channel 311 can be heated to water vapor, and the water vapor is further heated and heated to reach a set temperature and then ejected through the steam outlet 31b.
  • both ends of the heat exchange tube 31 are provided with a constricted portion, the inner diameter of the constricted portion is smaller than the outer diameter of the spring strip 6, and the spring strip 6 is prevented from slipping out of the heat exchange tube 31 due to special circumstances through the constricted portion.
  • the neck portion of the present invention is produced by a pipe shrinking machine, and the shrinking process is performed after the spring strip 6 is inserted into the water vapor passage 311 and before the heat exchange tube 31 is subjected to the bending forming process. It is possible to prevent an unexpected situation in which the spring strip 6 slips during the bending forming process of the heat exchange tube 31.
  • the welding process of the heat exchange tube 31 and other structures is removed.
  • the present invention is provided with connecting threads 312 at both ends of the heat exchange tube 31, and the threaded connection structure is simple and replaceable.
  • the inner diameter D2 of the heat exchange tube 31 preferably ranges from 6 to 30 mm, and the inner diameter of the heat exchange tube 31 is too small, which is disadvantageous for the discharge of scale impurities.
  • the inner diameter of the heat exchange tube 31 is too large, and the production site and the processing machine are relatively high. And the manufacturing cost is high.
  • the range of the outer diameter D3 of the spring strip 6 is also determined;
  • the inner diameter of the tube 31 is preferably in the range of 6 to 30 mm, the diameter of the spring strip 6 is preferably in the range of 1-3 mm, and the diameter of the spring strip 6 is the diameter of the spring wire used to make the spring strip 6, when the line of the spring strip 6 is When the diameter is in this range, the spring strip 6 can play a better role in blocking the water flow speed. If the wire diameter of the spring strip 6 is too small, the water flow can not be blocked, and if the wire diameter of the spring strip 6 is too large, It has a great impact on the processing difficulty and cost.
  • the thickness of the tube wall of the heat exchange tube 31 is preferably in the range of 0.6 to 2.5 mm. At this time, the pressure resistance of the heat exchange tube 31 is large, and cracking is unlikely to occur. If it is lower than this range, the heat exchange tube 31 may be too thin to occur easily. The rupture phenomenon, if it is higher than this range, the heat exchange tube 31 may be too thick to be easily processed.
  • the invention combines the inner diameter D2 range of the heat exchange tube 31, the wall thickness range of the heat exchange tube 31, the wire diameter range of the spring strip 6, and the gap range L between the heat exchange tube 31 and the spring strip 6, to ensure the heat exchange tube 31.
  • the flow rate of water and water vapor inside is relatively slow, and the water and water vapor in the water vapor passage 311 are sufficiently heated, and when the heat exchange tube 31 of the present invention is in this combination range, better scale removal can be achieved.
  • the present invention can also appropriately adjust the above various ranges depending on the size of the heating device and the application environment, and is not limited to the scope of the present invention.

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Abstract

一种快速高温加热装置，包括支架（1）以及设于支架（1）上的燃烧器（2）和塔形受热体（3），支架（1）由中间隔板（11）分隔成上腔室（12）和下腔室（13），中间隔板（11）设有连通上腔室（12）和下腔室（13）的通孔（14），塔形受热体（3）设于上腔室（12）内，燃烧器（2）设于下腔室（13）内；塔形受热体（3）包括设有水汽通道（311）的换热管（31），水汽通道（311）的两端分别设有进水口（31a）和出汽口（31b），换热管（31）为上小下大的螺旋状结构，进水口（31a）位于换热管（31）的上端，出汽口（31b）位于换热管（31）的下端。

Description

一种快速高温加热装置 技术领域
本发明涉及加热装置领域，尤其涉及一种快速高温加热装置。
背景技术
不论是在工业、商业(大饭堂、商业厨房等)还是日常生活均需要使用蒸汽，现在主要有两种生产蒸汽的方法，一是常规直接将水烧开到100℃产生不超过100℃的水蒸汽，另一种是通过有压力的锅炉，利用高温高压将水加热得到到100℃以上的高温蒸汽，若利用高温高压将水变成374.5℃的极高温蒸汽，必须在22.1MPa的压强(相当于221公斤/平方厘米的压力)环境下才能达到，密闭的容器内煮水，不但容易产生水垢，而且高压非常危险，导致另一因素的爆炸风险，并且当锅炉压力达到221MPa时，再高的压力或温度，蒸汽温度也不会再上升，这是现有加热技术能达到的水蒸汽的最高临界温度。所以现需设计一种使用安全性高、水及蒸汽温度又可以任意设定的快速高温加热装置。
发明内容
本发明所要解决的技术问题在于，提供一种快速高温加热装置，实现在短时间内使水直接不间断加热成开水或高温水蒸汽。
为了解决上述技术问题，本发明提供了一种快速高温加热装置，包括支架以及设于支架上的燃烧器和塔形受热体，所述支架由中间隔板分隔成上腔室和下腔室，所述中间隔板设有连通上腔室和下腔室的通孔，所述塔形受热体设于上腔室内，所述燃烧器设于下腔室内；所述塔形受热体包括设有水汽通道的换热管，所述水汽通道的两端分别设有进水口和出汽口，所述换热管为上小下大的螺旋状结构，所述进水口位于换热管的上端，所述出汽口位于换热管的下端。
作为上述方案的改进，所述塔形受热体的内侧壁形成上下开口的燃烧腔室，所述燃烧腔室的下开口设于通孔的正上方并大于通孔。
作为上述方案的改进，所述换热管的螺旋高度差与最底部的螺旋外径的比 值大于等于1。
作为上述方案的改进，所述塔形受热体的外侧壁包裹有保温层。
作为上述方案的改进，所述燃烧器为断开的圆环管状结构，燃烧器的一端封闭，另一端设有燃料入口，所述燃烧器的顶部设有燃气出口，所述燃烧器的圆环外径小于换热管最底部的螺旋外径。
作为上述方案的改进，所述换热管的顶部设有排气通风管道，所述排气通风管道的下开口与换热管的螺旋中心连通，所述排气通风管道的上开口伸出支架与外界连通。
作为上述方案的改进，还包括圆台状的空心内杯，所述换热管与空心内杯的外壁紧贴，所述空心内杯和换热管通过铸铝浇注成一体式结构。
作为上述方案的改进，所述水汽通道内设有弹簧条，随着水汽通道内的温度变化，所述弹簧条发生热胀冷缩。
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，所述换热管通过如下方法制得：首先将弹簧条由换热管的一端套入水汽通道内，然后通过弯管机将设有弹簧条的换热管进行弯曲成型加工以使换热管呈螺旋状，所述弹簧条的长度和外径与所述换热管的长度和内径相适配。
作为上述方案的改进，所述换热管在进行弯曲成型加工之前，所述换热管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，所述换热管的内径范围为6-30mm；所述弹簧条的线径范围为1-3mm；所述换热管的管壁厚度范围为0.6-2.5mm。
作为本发明的优选实施方式，
实施本发明的实施例，具有如下有益效果：
1、本加热装置完全突破现有的水蒸汽加热技术，具有体积小、产汽量大、能耗少、蒸汽温度高、具有自洁功能以及水垢自动清除等优点特别适合于户外电力缺乏的环境。本发明的加热装置在没有加压的环境下，几分钟内即可直接将水加热到350℃以上，换热管可以根据使用环境的压力要求，通过选用不同厚度和不同特性的换热管，换热管能耐压10MPa以上，本发明的加热装置安全节能，又快速高效，是替代锅炉的理想产品；
2、本发明将换热管设置成上小下大的螺旋形，即由上至下螺旋外径逐渐增大，此时，上下层螺旋在水平投影面有一个位置差，可以使每层换热管的能够得到充分的受热，增加水汽通道内的水以及水蒸汽的受热度，另外，由进水口进入的水由上往下沿着螺旋换热管流动，开始时，受热相对较低，相当于进行初预热，然后通过塔形受热体中间部位进行高温加热，再后续流动过程中会变成水蒸汽，由于下方螺旋外径较大，其加热时间较长，水蒸汽在水汽通道内还可以进行进一步的加热，从而得到高温水蒸汽；
3、本发明的燃烧器燃烧时产生的热气往上升的过程中，使塔形受热体内壁充分受热，当热气上升到塔形受热体的顶部时，热量已经基本被完全吸收，以使换热管内的水能够快速受热，最大限度减少热量损失，比传统燃烧加热转化效率更高，本发明的加热装置使用范围广泛，可以替代传统锅炉，还可以应用于厨房蒸煮、餐具清洁消毒、医疗美容消毒、桑拿或者其它工业领域，尤其是应用在户外电力缺乏的环境；
4、水汽通道内的水经过加热后变成水蒸汽，然后由出汽口喷出，本发明将所述进水口设于上端，将所述出汽口设于下端，由于水蒸汽在自然状态下是向上流动的，如果将出汽口设于上端，水蒸汽会很快喷出，本发明将出汽口设于下端，水由上端的进水口进入，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内流动的时间，即增加水和水蒸汽在水汽通道内加热的时间，以使水汽通道内的水全部变成水蒸汽后再排出，并且将进水口设于上端，便于水汽通道内水垢的排除。
附图说明
图1是本发明快速高温加热装置的整体结构示意图；
图2是图1去除部分机架后的结构示意图；
图3是本发明快速高温加热装置的俯视图；
图4是图3沿AA方向的剖视图；
图5是本发明塔形受热体的结构示意图；
图6是本发明燃烧器的结构示意图；
图7是是本发明的换热管处于直线状态时的剖视图；
图8是图7中B处的局部放大图；
图9是本发明的换热管处于直线状态时的正面示意图。
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9，本发明公开了一种快速高温加热装置，包括支架1以及设于支架1上的燃烧器2和塔形受热体3。
所述支架1由中间隔板11分隔成上腔室12和下腔室13，所述中间隔板11设有连通上腔室12和下腔室13的通孔14，所述塔形受热体3设于下腔室13内，所述燃烧器2设于下腔室13内。
所述塔形受热体3包括设有水汽通道311的换热管31，所述水汽通道311的两端分别设有进水口31a和出汽口31b，所述换热管31为上小下大的螺旋状结构，所述进水口31a位于换热管31的上端，所述出汽口31b位于换热管31的下端，即进水口31a位于螺旋的上方末端，出汽口31b位于螺旋的下方末端，上小下大的螺旋状形成塔形的受热体，即塔形受热体3的侧壁由换热管31构成。
为了便于进水口31a与外界水源连通，以及出汽口31b与外界蒸锅等连通，本发明的换热管31在进水口31a和出水口31b处进行延伸形成连接部，此部分不包括在螺旋状部分。
水汽通道311内的水经过加热后变成水蒸汽，然后由出汽口31b喷出，本发明将所述进水口31a设于上端，将所述出汽口31b设于下端，由于水蒸汽在自然状态下是向上流动的，如果将出汽口31b设于上端，水蒸汽会很快喷出，本发明将出汽口31b设于下端，水由上端的进水口31a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311内流动的时间，即增加水和水蒸汽在水汽通道311内加热的时间，以使水汽通道311内的水全部变成水蒸汽后再排出，并且将进水口31a设于上端，便于水汽通道311内水垢的排出。
另外，本发明将换热管31设置成上小下大的螺旋形，即由上至下螺旋外径 逐渐增大，此时，上下层螺旋在水平投影面有一个位置差，可以使每层换热管31的能够得到充分的受热，增加水汽通道311内的水以及水蒸汽的受热度，并且将换热管31设置成上小下大的螺旋状，其空间利用率高。
本发明的燃烧器2燃烧时产生的热气往上升的过程中，使塔形受热体3内壁充分受热，当热气上升到塔形受热体3的顶部时，热量已经基本被完全吸收，以使换热管31内的水能够快速受热最大限度减少热量损失，比传统燃烧加热转化效率更高，本发明的加热装置使用范围广泛，可以替代传统锅炉，还可以应用于厨房蒸煮、餐具清洁消毒、医疗美容消毒、桑拿或者其它工业领域的应用。
以工业为例，在纺织印染行业利用蒸汽对织物染色和后整理；以商业为例，宾馆、桑拿、洗浴中心和餐饮行业均以蒸汽作为热源进行加热；以日常生活为例，利用蒸汽供暖，等等。
需要说明的是，通过控制进水量，既可以直接将水连续加热至100℃，也可以直接将水连续加热至300℃以上的高温蒸汽，方便不同条件下不同要求使用，为了便于说明，本发明以将水加热至蒸汽为例进行说明。
优选的，所述塔形受热体3的内侧壁3a形成上下开口的燃烧腔室32，所述燃烧腔室32的下开口设于通孔14的正上方并大于通孔14，燃烧腔室32即位于螺旋状换热管31的螺旋中心线的中空部位，由于燃烧腔室32被包围住，附图5中显示的燃烧腔室32是去除部分空心内杯33后显示的。由通孔14下方上来的火焰直接进入上腔室12的燃烧腔室32内，即换热管31将火焰包围，此时换热管31充分吸收火焰的热能，水汽通道311内的水能够全部变成温度较高的水蒸汽，使用本发明的加热装置，燃烧器2的热能得到了充分的利用，能源利用率极高。
所述换热管31的螺旋高度差e与最底部的螺旋外径D1的比值大于等于1，此时，换热管31的吸热效率高，燃烧器2的火焰处于塔形受热体3的中间高度位置，由进水口31a进入的水由上往下沿着螺旋换热管31流动，开始时，受热相对较低，相当于进行初预热，然后通过塔形受热体3中间部位进行高温加热，变成水蒸汽，水蒸汽在水汽通道311内进行进一步的加热，从而得到高温水蒸汽。
为了提高热量的利用率，防止热量大量散出，本发明在所述塔形受热体3的外侧壁3b包裹有保温层4，通过设置保温层4，减少换热管31热量的散失， 提高水汽通道311内水以及水蒸汽的吸收效率。
优选的，所述燃烧器2为断开的圆环管状结构，燃烧器2的一端封闭(即封闭端2a)，另一端设有燃料入口2b，所述燃烧器2的顶部设有燃气出口21，所述燃烧器2的圆环外径小于换热管31最底部的螺旋外径D1。此时燃料优选为燃气，工作时，燃气由燃料入口2b进入到燃烧器2的管内进行燃烧，然后通过燃气出口21喷出火焰，火焰由通孔14进入到上腔室12内并加热换热管31。当然本发明的燃料也可以为燃油或者其它用于燃烧的材料，对应不同的燃料，所使用的燃烧器2的结构选择不同。
进一步地，所述换热管31的顶部设有排气通风管道5，所述排气通风管道5的下开口与换热管31的螺旋中心连通，所述排气通风管道5的上开口伸出支架1与外界连通。
本发明的换热管31优选采用以下两种方式加工：
第一种方式，通过空心内杯33进行铸铝，具体的，本发明还包括圆台状的空心内杯33，所述换热管31与空心内杯33的外壁紧贴，所述空心内杯33和换热管31通过铸铝浇注成一体式结构，选择此种方式时，所述排气通风管道5与空心内杯33以及换热管31铸铝浇注成一体。
第二种方式，通过弯管机进行弯曲成型加工成所需的螺旋状，此种方式下面会进行详细描述。
需要说明的是，现有的加热装置一般是在通水管(即本发明的换热管31处设置)的内壁设置螺纹用于减缓水流速以及污垢的去除，但是此通水管至少具有以下缺点：
1、通水管的管壁较薄，导致其耐压低、易破裂；
2、通水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，从而需要很长的通水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、现有通水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、通水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。
为了解决上述问题，本发明采用以下技术方案。
具体的，所述水汽通道311内设有弹簧条6，随着水汽通道311内温度变化，所述弹簧条6产生热胀冷缩现象，本发明所述的弹簧条6为常见的螺旋形结构；此时，结合弹簧条6相对较高的弹性以及螺旋结构，弹簧条6活动的变化相对较大，所述弹簧条6的线径、螺旋直径以及螺距均发生变化，即弹簧条6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6的线径即制作弹簧条6使用的弹簧丝的直径，弹簧条6的螺旋直径即弹簧条6在与其轴向垂直的面的投影的直径，弹簧条6的螺距即弹簧条6相邻两圈中心的轴向距离。
当本发明的加热装置工作时，换热管31内温度上升，即弹簧条6受热膨胀，此时，弹簧条6表面的水垢由于弹簧条6的膨胀会产生破裂，当换热管31停止工作，换热管31内温度慢慢下降，弹簧条6冷却后收缩，此时，弹簧条6表面的水垢由于弹簧条6的收缩而脱离弹簧条6，另外，在弹簧条6热胀冷缩的过程中，结合弹簧条6相对较高的弹性，弹簧条6也会沿着换热管31的长度方向产生一定的伸缩，可以进一步防止水垢的积累，保证换热管31内的洁净度，使用本发明的加热装置时，先让其工作加热几分钟时间，将水汽通道311内的水垢排出，然后再用于蒸煮或其它用途，以免水垢进入到蒸柜内。
优选的，所述换热管31由304不锈钢或316不锈钢制成，所述弹簧条6由304不锈钢或316不锈钢制成，换热管31和弹簧条6的材料选择304不锈钢或316不锈钢，可以有效防止换热管31内壁和弹簧条6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。
所述换热管31通过如下方法制得：
首先将弹簧条6由换热管31的一端套入水汽通道311内，然后通过弯管机将设有弹簧条6的换热管31进行弯曲成型加工以使换热管31呈螺旋状，所述弹簧条6的长度和外径与所述换热管31的长度和内径相适配。其中弯曲成型加工有以下两种方式：
第一种方式：通过弯管机将设有弹簧条6的换热管31由进水口31a的一端向下并向外进行弯曲成型加工以使换热管31呈上小下大的螺旋状，加工后，出汽口31b位于换热管31的下端，此方式的加工方向为从上至下，进水口31a 为首端，出汽口31b为末端；
第二种方式，通过弯管机将设有弹簧条6的换热管31由出汽口31b的一端向上并向内进行弯曲成型加工以使换热管31呈上小下大的螺旋状，加工后，进水口31a位于换热管31的上端，此方式的加工方向为从下至上，出汽口31b为首端，进水口31a为末端。
换热管31具体的长度和内径由加热装置的应用场地以及用途决定，当加热装置较大并且需要的水流量也较大时，换热管31的长度以及内径相对较大，此时弹簧条6的长度和外径相对选择较大的，相反，选择相对较小长度和外径的弹簧条6。
所述换热管31在进行弯曲成型加工之前，换热管31的内壁与弹簧条6之间的间隙L优选为0.5-2mm，将换热管31和弹簧条6的间隙控制在0.5-2mm，保证弹簧条6不会影响换热管31后续的弯曲成型加工，并且将换热管31和弹簧条6设置一定的间隙，为换热管31以及弹簧条6的热胀冷缩预留一定的空间。
首先将弹簧条6置于水汽通道311内，此时，弹簧条6会相对换热管31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6的换热管31进行弯曲成型加工，置于换热管31内的弹簧条6也随着换热管31一同弯曲，此时，弹簧条6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6无需其它连接部件进行连接，本发明的换热管31结构简单、加工简便，并且水汽通道311内的水流不会受到其它连接件的影响，需要说明的是，本发明的弹簧条6还是可以有较小的移动范围的。
本发明通过弹簧条6以及换热管31的螺旋状加长水汽通道311内水加热的时间，具体的，水汽通道311内的水流经过弹簧条6时，会受到弹簧条6的阻挡，水流速度减缓，水在换热管31内加热的时间也会增加，另外，经过弹簧条6的水流会随着弹簧条6的螺旋外形进行螺旋流动，以使水汽通道311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换热管31内加热的时间，螺旋状的换热管31在较小的空间即可实现较长的水汽通道311路径，可以增加水加热的时间，便于水蒸汽的产生，并且螺旋状的换热管31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6的螺旋状以及换热管31的螺旋状，使水汽通道311内的水得到最长的加热时间，保证水汽通 道311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31b喷出。
进一步地，所述换热管31的两端设有缩口部，所述缩口部的内径小于弹簧条6的外径，通过缩口部防止弹簧条6由于特殊情况滑出换热管31，保证换热管31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6套入水汽通道311之后以及换热管31进行弯曲成型加工之前进行，可以防止换热管31在弯曲成型加工时出现弹簧条6滑落等意外情况。
为了简化结构，去除换热管31与其它结构的焊接工序，本发明在所述换热管31的两端设有连接螺纹312，通过螺纹连接结构简单，并且可更换性强。
所述换热管31的内径D2范围优选为6-30mm，换热管31的内径太小，不利于水垢杂质的排出，换热管31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6和换热管31之间的间隙L范围确定、换热管31的管壁厚度范围确定，所以弹簧条6的外径D3的范围也确定；对应换热管31的内径范围优选为6-30mm，所述弹簧条6的线径范围优选为1-3mm，弹簧条6的线径即制作弹簧条6使用的弹簧丝的直径，当弹簧条6的线径处于此范围时，弹簧条6可以起到比较好的阻隔水流速度的作用，如果弹簧条6的线径太小，对水流起不到阻隔缓冲作用，如果弹簧条6的线径太大，对于加工难度和成本都有很大的影响。
换热管31的管壁厚度范围优选为0.6-2.5mm，此时，换热管31的耐压较大，不容易发生破裂，如果低于这个范围，换热管31会因为太薄容易发生破裂现象，如果高于这个范围，换热管31会因为太厚不容易加工。
本发明结合换热管31的内径D2范围、换热管31的管壁厚度范围、弹簧条6的线径范围以及换热管31和弹簧条6之间的间隙范围L，保证换热管31内的水和水蒸汽的流速相对较为迟缓，对水汽通道311内的水和水蒸汽进行充分加热，并且本发明的换热管31处于此组合范围时，可以实现较佳的水垢清除。本发明也可以根据加热装置的大小以及应用环境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。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (12)

  1. 一种快速高温加热装置，包括支架以及设于支架上的燃烧器和塔形受热体，其特征在于，所述支架由中间隔板分隔成上腔室和下腔室，所述中间隔板设有连通上腔室和下腔室的通孔，所述塔形受热体设于上腔室内，所述燃烧器设于下腔室内；
    所述塔形受热体包括设有水汽通道的换热管，所述水汽通道的两端分别设有进水口和出汽口，所述换热管为上小下大的螺旋状结构，所述进水口位于换热管的上端，所述出汽口位于换热管的下端。
  2. 根据权利要求1所述的快速高温加热装置，其特征在于，所述塔形受热体的内侧壁形成上下开口的燃烧腔室，所述燃烧腔室的下开口设于通孔的正上方并大于通孔。
  3. 根据权利要求1所述的快速高温加热装置，其特征在于，所述换热管的螺旋高度差与最底部的螺旋外径的比值大于等于1。
  4. 根据权利要求1所述的快速高温加热装置，其特征在于，所述塔形受热体的外侧壁包裹有保温层。
  5. 根据权利要求1所述的快速高温加热装置，其特征在于，所述燃烧器为断开的圆环管状结构，燃烧器的一端封闭，另一端设有燃料入口，所述燃烧器的顶部设有燃气出口，所述燃烧器的圆环外径小于换热管最底部的螺旋外径。
  6. 根据权利要求1所述的快速高温加热装置，其特征在于，所述换热管的顶部设有排气通风管道，所述排气通风管道的下开口与换热管的螺旋中心连通，所述排气通风管道的上开口伸出支架与外界连通。
  7. 根据权利要求1所述的快速高温加热装置，其特征在于，还包括圆台状的空心内杯，所述换热管与空心内杯的外壁紧贴，所述空心内杯和换热管通 过铸铝浇注成一体式结构。
  8. 根据权利要求1所述的快速高温加热装置，其特征在于，所述水汽通道内设有弹簧条，随着水汽通道内的温度变化，所述弹簧条发生热胀冷缩。
  9. 根据权利要求8所述的快速高温加热装置，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。
  10. 根据权利要求8所述的快速高温加热装置，其特征在于，所述换热管通过如下方法制得：首先将弹簧条由换热管的一端套入水汽通道内，然后通过弯管机将设有弹簧条的换热管进行弯曲成型加工以使换热管呈螺旋状，所述弹簧条的长度和外径与所述换热管的长度和内径相适配。
  11. 根据权利要求10所述的快速高温加热装置，其特征在于，所述换热管在进行弯曲成型加工之前，所述换热管的内壁与弹簧条之间的间隙为0.5-2mm。
  12. 根据权利要求8或11所述的快速高温加热装置，其特征在于，所述换热管的内径范围为6-30mm；所述弹簧条的线径范围为1-3mm；所述换热管的管壁厚度范围为0.6-2.5mm。
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CN114353555A (zh) * 2021-12-20 2022-04-15 吴浩 散热软袋
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CN107007153A (zh) * 2017-04-13 2017-08-04 宁波云川环保科技有限公司 一种速热饮水机螺旋加热装置
CN114383122A (zh) * 2020-10-02 2022-04-22 衡阳中盈环保科技发展有限公司 蒸汽发生装置
CN113331343A (zh) * 2021-04-25 2021-09-03 三江县埼玉农业发展有限公司 一种螺旋通道炒米装置
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CN114018072A (zh) * 2021-11-02 2022-02-08 连城凯克斯科技有限公司 一种单晶炉用高导热性水冷热屏换热器
CN114018072B (zh) * 2021-11-02 2023-09-22 连城凯克斯科技有限公司 一种单晶炉用高导热性水冷热屏换热器
CN114353555A (zh) * 2021-12-20 2022-04-15 吴浩 散热软袋

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