WO2021253327A1 - 蒸气灭菌锅废热回收*** - Google Patents

蒸气灭菌锅废热回收*** Download PDF

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Publication number
WO2021253327A1
WO2021253327A1 PCT/CN2020/096828 CN2020096828W WO2021253327A1 WO 2021253327 A1 WO2021253327 A1 WO 2021253327A1 CN 2020096828 W CN2020096828 W CN 2020096828W WO 2021253327 A1 WO2021253327 A1 WO 2021253327A1
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Prior art keywords
water
steam
heat exchanger
temperature
flow passages
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PCT/CN2020/096828
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English (en)
French (fr)
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邓尚儒
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大正和仪器股份有限公司
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Priority to PCT/CN2020/096828 priority Critical patent/WO2021253327A1/zh
Publication of WO2021253327A1 publication Critical patent/WO2021253327A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • A61L2/06—Hot gas
    • A61L2/07—Steam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D11/00—Feed-water supply not provided for in other main groups
    • F22D11/02—Arrangements of feed-water pumps
    • F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation

Definitions

  • the present invention relates to the technical field of steam sterilization equipment, in particular to a steam sterilization kettle waste heat recovery system that can recycle the waste heat generated during the sterilization operation of the steam sterilization kettle to achieve the purpose of saving energy. .
  • FIG. 1 Generally known steam sterilization operations, as shown in FIG. 1, mainly use a water feed motor 10 to send water at a normal temperature outside into a steam generator 11, and use the electric heater 12 of the steam generator 11 to heat the water at normal temperature. To generate high-temperature steam, it is then sent to a steam sterilization pot 13 to use the high-temperature steam to sterilize the items in the steam sterilization pot 13, and the high-temperature steam in the steam sterilization pot 13 The high-temperature hot water condensed during sterilization is discharged through a drain pipe 14.
  • the inventor of the present invention developed and designed the present invention in order to solve the above-mentioned problems, and intensively conceived, and actively researched and improved trial production.
  • the main purpose of the present invention is to solve the problem of wasting energy during the steam sterilization operation of the known steam sterilizer.
  • the invention provides a steam sterilization pot waste heat recovery system, which includes a steam sterilization pot, a steam generator, a first heat exchanger and a water feed motor.
  • a steam sterilization pot waste heat recovery system which includes a steam sterilization pot, a steam generator, a first heat exchanger and a water feed motor.
  • the inside of the steam sterilization pot can accommodate items to be sterilized.
  • the steam generator can be used to heat water to generate high-temperature steam and send it into the steam sterilization pot.
  • the first heat exchanger is provided with a plurality of normal temperature flow passages and a plurality of high temperature flow passages that are interlaced but not connected to allow the water inside to exchange heat, the plurality of normal temperature flow passages and a first water inlet and a The first water outlet is connected, the plurality of high-temperature flow passages are communicated with a second water inlet and a second water outlet, and the first water inlet is capable of introducing external room temperature water into the plurality of room temperature flow channels.
  • a water outlet can discharge the water whose temperature is increased after heat exchange in the plurality of normal temperature flow passages
  • the second water inlet is connected to the steam sterilization pot, which can be used for condensing when the high temperature steam in the steam sterilization pot is sterilized
  • the generated high-temperature hot water is introduced into the plurality of high-temperature flow passages, and the second water outlet can discharge the water whose temperature is lowered after heat exchange in the plurality of high-temperature flow passages.
  • the water feed motor is connected to the first water outlet of the first heat exchanger and connected to the steam generator, so that the water discharged from the first water outlet can be driven into the steam generator.
  • the present invention has the following beneficial effects:
  • the steam sterilization pot waste heat recovery system provided by the present invention can introduce the high temperature hot water that is condensed when the high temperature steam in the steam sterilization pot is sterilized into the first heat exchanger, and then the external room temperature water It is introduced into the first heat exchanger to exchange heat with the high-temperature hot water, thereby increasing the temperature, and then using the water feed motor to drive the temperature-increasing water into the steam generator to generate high-temperature steam, and then send the steam to the steam generator for sterilization
  • the pot is sterilized, so that the waste heat of the waste water discharged from the steam sterilization pot can be recovered to reduce the heating energy consumption of the steam generator, thereby achieving the purpose of saving energy.
  • Figure 1 is a three-dimensional structure diagram of a known steam sterilization equipment
  • Figure 2 is a three-dimensional schematic diagram of the present invention
  • Figure 3 is a simple plan view of the present invention and a schematic view of water flow heat exchange in the heat exchanger;
  • Figure 4 is a schematic diagram of the structure of the plate heat exchanger of the present invention.
  • Fig. 5 is a three-dimensional schematic diagram of another embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the structure of the tube heat exchanger of the present invention.
  • the steam sterilization pot waste heat recovery system of the present invention includes a steam sterilization pot 20, a steam generator 30, a first heat exchanger 40, a feed water motor 50 and A second heat exchanger 40', in which:
  • the steam sterilization pot 20 can contain items to be sterilized inside, and has at least one steam introduction pipe 21 that can introduce high-temperature steam and a heat that can lead out the high-temperature hot water condensed when the steam is sterilized. Water outlet pipe 22.
  • the steam generator 30 is connected to the steam inlet pipe 21 and has a water inlet pipe 31, at least one electric heater 32, at least one water level detector 33 and a drain pipe 34.
  • the water inlet pipe 31 is provided with a solenoid valve 310 for controlling whether water is sent into the steam generator 30 through the water inlet pipe 31.
  • the electric heater 32 can heat the water in the steam generator 30 to generate high-temperature steam, and then send it into the steam sterilization pot 20 through the steam introduction pipe 21.
  • the solenoid valve 310 When the medium water level is detected, the solenoid valve 310 is opened to allow the water from the water inlet pipe 31 to enter the In the steam generator 30, when a high water level is detected, the solenoid valve 310 is closed so that the water in the water inlet pipe 31 cannot enter the steam generator 30. When a low water level is detected, the electric heater 32 is turned off to prevent Safety mechanism for empty burning.
  • the drain pipe 34 is provided with a manual control valve 340. When the sterilization operation is not performed, the manual control valve 340 can be opened to drain the water in the steam generator 30.
  • the first heat exchanger 40 is provided with a plurality of normal temperature flow passages 41 and a plurality of high temperature flow passages 42 which are staggered but not connected to each other, so that the water in the plurality of normal temperature flow passages 41 and the plurality of high temperature flow passages 42 Can be heat exchanged.
  • the plurality of normal temperature flow passages 41 communicate with a first water inlet 43 and a first water outlet 44
  • the plurality of high temperature flow passages 42 communicate with a second water inlet 45 and a second water outlet 46.
  • the first inlet The water port 43 uses a pipeline to connect the external room temperature water (in the present invention, it is RO water) for introducing the room temperature water into the plurality of room temperature flow passages 41 for heat exchange, and the first water outlet 44 can discharge the
  • the second water inlet 45 is connected to the hot water outlet pipe 22 to introduce the high temperature hot water condensed when the steam is sterilized into the water whose temperature is increased after heat exchange in the plurality of normal temperature flow passages 41. Heat exchange is performed in the high temperature flow channel 42, and the second water outlet 46 can discharge the water whose temperature is lowered after the heat exchange in the plurality of high temperature flow channels 42.
  • the water feed motor 50 is connected to the first water outlet 44 and the water inlet pipe 31 via a pipeline, so that the water discharged from the first water outlet 44 can be pumped into the water inlet pipe 31.
  • the second heat exchanger 40' has the same structure as the first heat exchanger 40 (in order to facilitate understanding of the pipeline connection, the first water inlet 43', the first water outlet 44', and the first water outlet 44' are changed in the schematic diagram.
  • the second water inlet 45' of the second heat exchanger 40' is connected to the second water outlet 46 of the first heat exchanger 40 by a pipe, so that the hot water discharged from the second water outlet 46 is introduced into the Heat exchange is performed in the plurality of high temperature flow passages 42' of the second heat exchanger 40', and the second water outlet 46' of the second heat exchanger 40' can be used to heat the plurality of high temperature flow passages 42' After the exchange, the water whose temperature is lowered is discharged.
  • first and second heat exchangers 40, 40' are plate heat exchangers, which are formed by combining a plurality of heat exchange plates 400, and the more singular ones
  • the heat exchange plate 400 is provided with the plurality of normal temperature flow passages 41 (41') and the first water inlet 43 (43') and the first water outlet 44 connected to the plurality of normal temperature flow passages 41 (41') (44'), the even number of the plurality of heat exchange plates 400 are provided with the plurality of high temperature flow passages 42 (42') and the second water inlet 45 ( 45') and the second water outlet 46 (46').
  • FIG. 5 and FIG. 6, indicate that the first and second heat exchangers 40, 40' are tube heat exchangers, and the tube heat exchanger is an outer tube 401 with a plurality of inner tubes 402.
  • the plurality of high temperature flow passages 42 (42') are respectively formed in the plurality of inner tubes 402, and both ends of the plurality of inner tubes 402 are respectively connected to the second water inlet 45 (45') and the second water outlet 46 (46').
  • the inside of the outer tube 401 except for the plurality of inner tubes 402 is the plurality of normal temperature flow passages 41 (41'), and the outer peripheral surface of the outer tube 401 is provided with the plurality of normal temperature flow passages 41 (41') )
  • the first water inlet 43 (43') and the first water outlet 44 (44') that are in communication.
  • normal temperature water such as RO water
  • the normal temperature water is introduced from the first water inlet 43 of the first heat exchanger 40 to the multiple normal temperature flow channels 41, the normal temperature water is sent to the feed water motor 50 from the first water outlet 44, and the normal temperature water is pumped into the steam generator 30 through the water inlet pipe 31 through the feed water motor 50, and then reused
  • the electric heater 32 heats the normal temperature water in the steam generator 30 to generate high-temperature steam, and then sends it into the steam sterilization pot 20 through the steam introduction pipe 21 to perform sterilization operations on the articles therein.
  • the high-temperature hot water condensed when the high-temperature steam in the steam sterilization pot 20 is sterilized will be led to the second water inlet 45 of the first heat exchanger 40 through the hot water outlet pipe 22, and then sent to the first heat exchanger 40.
  • heat exchange is performed with the normal temperature water sent into the normal temperature flow passage 41 by the first water inlet 43, so that the temperature in the normal temperature flow passage 41 is increased by heat exchange
  • the water will pass through the first water outlet 44 and then be driven into the steam generator 30 through the motor 50. Therefore, the water sent to the steam generator 30 after the second time has a higher temperature, which makes the electric heater 32. It only needs to use less energy to generate steam. In this way, the high temperature of the waste water generated by the steam sterilization pot 20 can be used to greatly save energy.

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Abstract

一种蒸气灭菌锅废热回收***，包括一蒸气灭菌锅、一蒸气产生器、一第一热交换器及一给水马达，其主要是将蒸气灭菌锅中高温蒸气进行灭菌时所凝结生成的高温热水导入该第一热交换器之中，再将外部的常温水导入该第一热交换器之中与该高温热水进行热交换，进而提高温度，然后再利用该给水马达将提高温度的水打入该蒸气产生器中加热产生高温蒸气，再送入该蒸气灭菌锅中进行灭菌，如此便可通过回收蒸气灭菌锅排出的废水的废热而减少该蒸气产生器的加热耗能，进而达到节省能源的目的。

Description

蒸气灭菌锅废热回收*** 技术领域
本发明涉及一种关于蒸气灭菌设备方面的技术领域，尤其涉及一种可回收蒸气灭菌锅进行灭菌作业时所产生的废热再利用，进而达到节省能源目的的蒸气灭菌锅废热回收***。
背景技术
一般公知的蒸气灭菌作业，如图1所示，主要利用一给水马达10将外部常温的水送入一蒸气产生器11中，利用该蒸气产生器11的电热器12将该常温的水加热至产生高温的蒸气，然后送入一蒸气灭菌锅13中，以利用该高温的蒸气对该蒸气灭菌锅13中的物品进行灭菌作业，而该蒸气灭菌锅13中高温的蒸气进行灭菌时凝结成的高温热水便会通过一排水管14排出。
由于该蒸气灭菌锅13中高温的蒸气进行灭菌时凝结成的高温热水直接排掉，而该给水马达10送入该蒸气产生器11中的皆是常温的水，因此每次补水后便会使该蒸气产生器11中的水温降低，而使得该电热器12需再花费较多的能源将该蒸气灭菌锅13中温度较低的水重新加热至沸点来产生高温的蒸气，因此该电热器12便会浪费较多的能源。
有鉴于此，本发明人乃针对上述的问题，而深入构思，且积极研究改良试做而开发设计出本发明。
发明内容
本发明的主要目的在于解决公知蒸气灭菌锅进行蒸气灭菌作业时所存在的浪费能源的问题。
本发明提供一种蒸气灭菌锅废热回收***，包括一蒸气灭菌锅、一蒸气产生器、一第一热交换器及一给水马达。其中，该蒸气灭菌锅内部可供容置欲灭菌的物品。该蒸气产生器可供将水加热至产生高温蒸气并送入该蒸气灭菌锅中。该第一热交换器内部设有相互交错但不连通而可使内部的水进行热交换的多个常温流道及多个高温流道，该多个常温流道与一第一进水口及一第一出水口连通，该多个高温流道与一第二进水口及一第二出水口连通，该 第一进水口可供将外部的常温水导入该多个常温流道之中，该第一出水口可排出该多个常温流道中经热交换后而提高温度的水，该第二进水口连接该蒸气灭菌锅，可供将该蒸气灭菌锅中高温蒸气进行灭菌时所凝结生成的高温热水导入该多个高温流道之中，该第二出水口可排出该多个高温流道中经热交换后而降低温度的水。该给水马达连接该第一热交换器的该第一出水口及连接该蒸气产生器，可供将该第一出水口排出的水打入该蒸气产生器中。
与现有技术相比，本发明的有益效果为：
本发明所提供的蒸气灭菌锅废热回收***，可通过将蒸气灭菌锅中高温蒸气进行灭菌时所凝结生成的高温热水导入该第一热交换器之中，再将外部的常温水导入该第一热交换器之中与该高温热水进行热交换，进而提高温度，然后利用该给水马达将提高温度的水打入该蒸气产生器中加热产生高温蒸气，再送入该蒸气灭菌锅中进行灭菌，如此便可通过回收蒸气灭菌锅排出的废水的废热而减少该蒸气产生器的加热耗能，进而达到节省能源的目的。
附图说明
图1为公知蒸气灭菌设备的立体架构图；
图2为本发明的立体示意图；
图3为本发明的简单平面示意图及热交换器中的水流热交换示意图；
图4为本发明的板式热交换器的结构示意图；
图5为本发明的另一实施例的立体示意图；
图6为本发明的管式热交换器的结构示意图。
符号说明：
先前技术
10:给水马达
11:蒸气产生器
12:电热器
13:蒸气灭菌锅
14:排水管
本发明
20:蒸气灭菌锅
21:蒸气导入管
22:热水导出管
30:蒸气产生器
31:进水管
310:电磁阀
32:电热器
33:水位侦测器
34:排水管
340:手动控制阀
40:第一热交换器
41:常温流道
42:高温流道
43:第一进水口
44:第一出水口
45:第二进水口
46:第二出水口
50:给水马达
40’:第二热交换器
41’:常温流道
42’:高温流道
43’:第一进水口
44’:第一出水口
45’:第二进水口
46’:第二出水口
400:热交换板
401:外管
402:内管
具体实施方式
请参阅图2及图3所示，显示本发明所述的蒸气灭菌锅废热回收***包 括一蒸气灭菌锅20、一蒸气产生器30、一第一热交换器40、一给水马达50及一第二热交换器40’，其中：
该蒸气灭菌锅20，其内部可供容置欲灭菌的物品，且具有可导入高温蒸气的至少一蒸气导入管21及可导出蒸气进行灭菌时所凝结成的高温热水的一热水导出管22。
该蒸气产生器30，连接该蒸气导入管21，且具有一进水管31、至少一电热器32、至少一水位侦测器33及一排水管34。该进水管31上设有一电磁阀310可供控制是否使水经由该进水管31送入该蒸气产生器30中。该电热器32可供将该蒸气产生器30中的水加热至产生高温蒸气，然后经由该蒸气导入管21送入该蒸气灭菌锅20之中。该水位侦测器33为3个，可供分别侦测该蒸气产生器30中的低、中、高水位，在侦测到中水位时开启该电磁阀310使该进水管31的水进入该蒸气产生器30中，在侦测到高水位时关闭该电磁阀310使该进水管31的水无法进入该蒸气产生器30中，在侦测到低水位时则关闭该电热器32以作为防止空烧的安全机制。该排水管34上设有一手动控制阀340，在不进行灭菌作业时，可开启该手动控制阀340使该蒸气产生器30中的水排出。
该第一热交换器40，内部设有相互交错但不连通的多个常温流道41及多个高温流道42，使该多个常温流道41及该多个高温流道42中的水可进行热交换。该多个常温流道41与一第一进水口43及一第一出水口44连通，该多个高温流道42与一第二进水口45及一第二出水口46连通，该第一进水口43利用管路连接外部的常温水(在本发明中其为RO水)，以供将该常温水导入该多个常温流道41之中进行热交换，该第一出水口44可排出该多个常温流道41中经热交换后而提高温度的水，该第二进水口45连接该热水导出管22，以供将蒸气进行灭菌时所凝结成的高温热水导入该多个高温流道42之中进行热交换，该第二出水口46可排出该多个高温流道42中经热交换后而降低温度的水。
该给水马达50，以一管路连接该第一出水口44及连接该进水管31，可供将该第一出水口44排出的水打入该进水管31。
该第二热交换器40’，其结构与第一热交换器40相同(其中为了便于理解管路连接，示意图上改变了该第一进水口43’、该第一出水口44’、该第二进 水口45’及该第二出水口46’的示意位置)，其中该第二热交换器40’的该第一进水口43’利用管路连接外部的常温水(在本发明中其为自来水)，以供将外部的常温水导入该第二热交换器40’的该多个常温流道41’中进行热交换，该第二热交换器40’的该第一出水口44’可排出该多个常温流道41’中经热交换后而提高温度的水以供再利用。该第二热交换器40’的该第二进水口45’以管路连接该第一热交换器40的该第二出水口46，以供将该第二出水口46排出的热水导入该第二热交换器40’的多个高温流道42’中进行热交换，该第二热交换器40’的该第二出水口46’可供将该多个高温流道42’中经热交换后而降低温度的水排出。
请配合参阅图4所示，指出该第一、二热交换器40、40’为板式热交换器，该板式热交换器由多个热交换板400并靠结合而成，其中单数的该多个热交换板400上设有该多个常温流道41(41’)及连通该多个常温流道41(41’)的该第一进水口43(43’)与该第一出水口44(44’)，双数的该多个热交换板400上设有该多个高温流道42(42’)及连通该多个高温流道42(42’)的该第二进水口45(45’)与该第二出水口46(46’)。
请参阅图5及图6所示，指出该第一、二热交换器40、40’为管式热交换器，该管式热交换器为一外管401中设有多个内管402。其中该多个内管402中分别形成该多个高温流道42(42’)，该多个内管402的两端分别连通该第二进水口45(45’)及该第二出水口46(46’)。该外管401内部除该多个内管402的部分其余为该多个常温流道41(41’)，且于该外管401的外周面设有与该多个常温流道41(41’)相连通的该第一进水口43(43’)及该第一出水口44(44’)。
本发明所提供的蒸气灭菌锅废热回收***，开始进行灭菌作业时，由该第一热交换器40的第一进水口43导入常温的水(如RO水)至该多个常温流道41之中，然后由该第一出水口44将该常温的水送至该给水马达50，通过该给水马达50将该常温的水经该进水管31打入该蒸气产生器30中，再利用该电热器32将该蒸气产生器30中常温的水加热至产生高温蒸气，然后经由该蒸气导入管21送入该蒸气灭菌锅20之中对其中的物品进行灭菌作业。该蒸气灭菌锅20中高温蒸气进行灭菌时所凝结成的高温热水会通过该热水导出管22导至该第一热交换器40的第二进水口45，然后送入该第一热交换器40的多个高温流道42中，使与该第一进水口43送入该常温流道41中的常温水进 行热交换，如此该常温流道41中经热交换而升高温度的水便会经该第一出水口44再通过该马达50打入该蒸气产生器30，因此第2次以后送入该蒸气产生器30的水便具有较高的温度，而使得该电热器32仅需使用较少的能源便能使其产生蒸气，如此便可利用该蒸气灭菌锅20产生的废水的高温而大幅的达到节省能源的目的。
以上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 (10)

  1. 一种蒸气灭菌锅废热回收***，其特征在于，包括：
    一蒸气灭菌锅，其内部可供容置欲灭菌的物品；
    一蒸气产生器，可供将水加热至产生高温蒸气并送入该蒸气灭菌锅中；
    一第一热交换器，其内部设有相互交错但不连通而可使内部的水进行热交换的多个常温流道及多个高温流道，该多个常温流道与一第一进水口及一第一出水口连通，该多个高温流道与一第二进水口及一第二出水口连通，该第一进水口可供将外部的常温水导入该多个常温流道之中，该第一出水口可排出该多个常温流道中经热交换后而提高温度的水，该第二进水口连接该蒸气灭菌锅，可供将该蒸气灭菌锅中高温蒸气进行灭菌时所凝结生成的高温热水导入该多个高温流道之中，该第二出水口可排出该多个高温流道中经热交换后而降低温度的水；以及
    一给水马达，连接该第一热交换器的该第一出水口及连接该蒸气产生器，可供将该第一出水口排出的水打入该蒸气产生器中。
  2. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，其中该蒸气灭菌锅具有一蒸气导入管及一热水导出管，该蒸气导入管连接该蒸气产生器供将该蒸气产生器产生的高温蒸气导入该蒸气灭菌锅中，该热水导出管连接该第一热交换器的该第二进水口，供将该蒸气灭菌锅中高温蒸气进行灭菌时所凝结生成的高温热水导入该多个高温流道之中。
  3. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，其中该蒸气产生器具有一进水管、至少一电热器及至少一水位侦测器，该进水管连接该给水马达，且该进水管上设有一电磁阀可供控制是否使水经由该进水管送入该蒸气产生器，该电热器可供将该蒸气产生器中的水加热至产生高温蒸气，该水位侦测器可侦测该蒸气产生器中的水位，在侦测到水量不足时控制该电磁阀开启使该进水管的水进入该蒸气产生器中。
  4. 如权利要求3所述的蒸气灭菌锅废热回收***，其特征在于，其中该水位侦测器为3个，可供分别侦测该蒸气产生器中的低、中、高水位，在侦测到中水位时控制该电磁阀开启使该进水管的水进入该蒸气产生器中，在侦测到高水位时控制该电磁阀关闭使该进水管的水无法进入该蒸气产生器中，在侦测到低水位时则关闭该电热器以作为防止空烧的安全机制。
  5. 如权利要求3所述的蒸气灭菌锅废热回收***，其特征在于，其中该 蒸气产生器，具有一排水管，该排水管上设有一手动控制阀，在不进行灭菌作业时，可开启该手动控制阀使该蒸气产生器中的水排出。
  6. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，其中该第一热交换器的该第一进水口导入的外部常温水为RO水。
  7. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，其中该第一热交换器为板式热交换器，该板式热交换器由多个热交换板并靠结合而成，其中单数的该多个热交换板上设有该多个常温流道及连通该多个常温流道的该第一进水口与该第一出水口，双数的该多个热交换板上设有该多个高温流道及连通该多个高温流道的该第二进水口与该第二出水口。
  8. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，其中该第一热交换器为管式热交换器，该管式热交换器为一外管中设有多个内管，其中该多个内管中分别形成该多个高温流道，该多个内管的两端分别连通该第二进水口及该第二出水口，该外管内部除该多个内管的部分其余为该多个常温流道，且于该外管的外周面设有与该多个常温流道相连通的该第一进水口及该第一出水口。
  9. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，更包括一第二热交换器，该第二热交换器的结构与第一热交换器相同，其中该第二热交换器的该第一进水口连接外部的常温水，以供将外部的常温水导入该第二热交换器的该多个常温流道中，该第二热交换器的该第一出水口可排出该多个常温流道中经热交换后而提高温度的水以供再利用，该第二热交换器的该第二进水口连接该第一热交换器的该第二出水口，以供将该第二出水口排出的热水导入该第二热交换器的该多个高温流道中，该第二热交换器的该第二出水口可供将该多个高温流道中经热交换后而降低温度的水排出。
  10. 如权利要求1所述的蒸气灭菌锅废热回收***，其特征在于，其中该第二热交换器的该第一进水口导入外部的常温水为自来水。
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