CN212593116U - Waste heat recovery system of steam sterilizing pot - Google Patents
Waste heat recovery system of steam sterilizing pot Download PDFInfo
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- CN212593116U CN212593116U CN202021137730.3U CN202021137730U CN212593116U CN 212593116 U CN212593116 U CN 212593116U CN 202021137730 U CN202021137730 U CN 202021137730U CN 212593116 U CN212593116 U CN 212593116U
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Abstract
A waste heat recovery system of a steam sterilization pot comprises the steam sterilization pot, a steam generator, a first heat exchanger and a water supply motor, wherein high-temperature hot water generated by condensation when high-temperature steam in the steam sterilization pot is sterilized is guided into the first heat exchanger, then external normal-temperature water is guided into the first heat exchanger to exchange heat with the high-temperature hot water, the temperature is further increased, then the water supply motor is used for pumping the water with the increased temperature into the steam generator to heat high-temperature steam, and then the water is conveyed into the steam sterilization pot to be sterilized, so that the waste heat of waste water discharged by the steam sterilization pot is recovered, the heating energy consumption of the steam generator is reduced, and the purpose of saving energy is achieved.
Description
Technical Field
The utility model relates to a technical field about in the aspect of the steam sterilization equipment especially relates to a produced used heat is recycled when recoverable steam sterilization pot carries out the sterilization operation, and then reaches the steam sterilization pot waste heat recovery system of energy saving purpose.
Background
As shown in fig. 1, a conventional steam sterilization operation is mainly performed by feeding water of normal temperature from outside into a steam generator 11 by a water feeding motor 10, heating the water of normal temperature to generate steam of high temperature by an electric heater 12 of the steam generator 11, and feeding the steam into a steam sterilization pot 13 to sterilize the goods in the steam sterilization pot 13 by the steam of high temperature, and hot water of high temperature condensed when the steam of high temperature in the steam sterilization pot 13 is sterilized is discharged through a water discharge pipe 14.
Since the high-temperature hot water condensed during the sterilization of the high-temperature steam in the steam sterilization pot 13 is directly discharged and the water supply motor 10 feeds the water into the steam generator 11 at normal temperature, the water temperature in the steam generator 11 is lowered after each water supply, and the electric heater 12 needs to spend more energy to re-heat the water with lower temperature in the steam sterilization pot 13 to the boiling point to generate high-temperature steam, so that more energy is wasted by the electric heater 12.
In view of the above, the present invention is conceived based on the above problems, and the present invention is developed and designed through active research and development.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to solve the problem of energy waste when the known steam sterilization pot carries out steam sterilization operation.
The utility model provides a waste heat recovery system of a steam sterilization pot, which comprises a steam sterilization pot, a steam generator, a first heat exchanger and a water supply motor. Wherein, the steam sterilizing pot can be used for accommodating articles to be sterilized. The steam generator can heat water to generate high-temperature steam and send the steam into the steam sterilizing pot. The first heat exchanger is internally provided with a plurality of normal temperature runners and a plurality of high temperature runners which are staggered with each other but are not communicated with each other so as to enable the water inside to carry out heat exchange, the normal temperature runners are communicated with a first water inlet and a first water outlet, the high temperature runners are communicated with a second water inlet and a second water outlet, the first water inlet can be used for guiding the outside normal temperature water into the normal temperature runners, the first water outlet can discharge the water which is subjected to heat exchange in the normal temperature runners and then increases the temperature, the second water inlet is connected with the steam sterilization pot and can be used for guiding the high temperature hot water generated by condensation in the steam sterilization pot during the sterilization into the high temperature runners, and the second water outlet can discharge the water which is subjected to heat exchange in the high temperature runners and then reduces the temperature. The water supply motor is connected with the first water outlet of the first heat exchanger and the steam generator, and can drive water discharged from the first water outlet into the steam generator.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a steam sterilization pot waste heat recovery system, the accessible is condensed when sterilizing high temperature steam in the steam sterilization pot among the leading-in this first heat exchanger of high temperature hot water that generates, carry out the heat exchange with this high temperature hot water among the leading-in this first heat exchanger of outside normal atmospheric temperature water again, and then the raising the temperature, then utilize this water supply motor to squeeze into the water that raises the temperature into this steam generator and heat the high temperature steam that adds, send into again and sterilize in this steam sterilization pot, so alright through the used heat of retrieving steam sterilization pot exhaust waste water and reduce the heating power consumption of this steam generator, and then reach the purpose of the energy can be saved.
Drawings
FIG. 1 is a perspective view of a steam sterilization apparatus;
fig. 2 is a perspective view of the present invention;
FIG. 3 is a schematic diagram of a simple plan view of the present invention and the water flow heat exchange in the heat exchanger;
fig. 4 is a schematic structural view of a plate heat exchanger according to the present invention;
fig. 5 is a schematic perspective view of another embodiment of the present invention;
fig. 6 is a schematic structural diagram of the tube heat exchanger of the present invention.
Description of the symbols:
Prior Art
10: water supply motor
11: steam generator
12: electric heater
13: steam sterilizing pot
14: water discharge pipe
The utility model discloses
20: steam sterilizing pot
21 steam introduction pipe
22 hot water delivery pipe
30: steam generator
31 water inlet pipe
310 electromagnetic valve
32: electric heater
33 water level detector
34: water discharge pipe
340 manual control valve
40 first heat exchanger
41 normal temperature flow passage
42 high-temperature runner
43 first water inlet
44 first water outlet
45: second water inlet
46 second water outlet
50: water supply motor
40' second heat exchanger
41' normal temperature runner
42' high temperature runner
43' a first water inlet
44' first water outlet
45' second water inlet
46' second water outlet
400 heat exchange plate
401 outer tube
402 inner tube
Detailed Description
Referring to fig. 2 and 3, the waste heat recovery system of the steam sterilizer of the present invention includes a steam sterilizer 20, a steam generator 30, a first heat exchanger 40, a water supply motor 50 and a second heat exchanger 40', wherein:
the steam sterilization pot 20 is provided with at least one steam inlet pipe 21 for introducing high temperature steam and a hot water outlet pipe 22 for discharging high temperature hot water condensed during steam sterilization.
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 water outlet pipe 34. An electromagnetic valve 310 is disposed on the water inlet pipe 31 for controlling whether water is fed into the steam generator 30 through the water inlet pipe 31. The electric heater 32 heats the water in the steam generator 30 to generate high temperature steam, and then sends the steam into the steam sterilization pot 20 through the steam inlet pipe 21. The number of the water level detectors 33 is 3, which can detect the low, medium and high water levels in the steam generator 30, respectively, open the electromagnetic valve 310 to let the water in the water inlet pipe 31 enter the steam generator 30 when the medium water level is detected, close the electromagnetic valve 310 to make the water in the water inlet pipe 31 not enter the steam generator 30 when the high water level is detected, and close the electric heater 32 when the low water level is detected, so as to be used as a safety mechanism for preventing idle burning. The drain pipe 34 is provided with a manual control valve 340, and the manual control valve 340 is opened to drain the water in the steam generator 30 when the sterilization operation is not performed.
The first heat exchanger 40 is provided therein with a plurality of normal temperature flow passages 41 and a plurality of high temperature flow passages 42 which are staggered but not communicated with each other, so that water in the plurality of normal temperature flow passages 41 and the plurality of high temperature flow passages 42 can exchange heat. The plurality of normal temperature runners 41 are communicated with a first water inlet 43 and a first water outlet 44, the plurality of high temperature runners 42 are communicated with a second water inlet 45 and a second water outlet 46, the first water inlet 43 is connected with the external normal temperature water (in the utility model discloses in it is RO water) by the pipeline, so as to carry out heat exchange among the plurality of normal temperature runners 41 by leading-in the normal temperature water, the first water outlet 44 can discharge the water that increases the temperature after the heat exchange among the plurality of normal temperature runners 41, the hot water delivery pipe 22 is connected to the second water inlet 45, so as to carry out the heat exchange among the plurality of high temperature runners 42 by leading-in the high temperature hot water that condenses when carrying out the sterilization with steam, and the second water outlet 46 can discharge the water that reduces the temperature after the heat exchange among the plurality of high temperature runners 42.
The water supply motor 50 is connected to the first water outlet 44 and the water inlet pipe 31 by a pipeline, so that water discharged from the first water outlet 44 can be driven into the water inlet pipe 31.
The second heat exchanger 40 'has the same structure as the first heat exchanger 40 (wherein, for the convenience of understanding the pipeline connection, schematic positions of the first water inlet 43', the first water outlet 44 ', the second water inlet 45' and the second water outlet 46 'are changed on the schematic diagram), wherein the first water inlet 43' of the second heat exchanger 40 'is connected to external normal temperature water (tap water in the present invention) by a pipeline for introducing the external normal temperature water into the normal temperature channels 41' of the second heat exchanger 40 'for heat exchange, and the first water outlet 44' of the second heat exchanger 40 'can discharge water with increased temperature after heat exchange in the normal temperature channels 41' for reuse. 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 pipeline, so that the hot water discharged from the second water outlet 46 can be introduced into the high temperature channels 42 ' of the second heat exchanger 40 ' for heat exchange, and the second water outlet 46 ' of the second heat exchanger 40 ' can be used for discharging the water with reduced temperature after heat exchange in the high temperature channels 42 '.
Referring to fig. 4, it is pointed out that the first and second heat exchangers 40 and 40 ' are plate heat exchangers, and the plate heat exchangers are formed by combining a plurality of heat exchange plates 400, wherein the singular heat exchange plates 400 are provided with the plurality of normal temperature flow passages 41(41 ') and the first water inlet 43(43 ') and the first water outlet 44(44 ') communicating the plurality of normal temperature flow passages 41(41 '), and the even 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 ') communicating the plurality of high temperature flow passages 42(42 ').
Referring to fig. 5 and 6, it is pointed out that the first and second heat exchangers 40, 40' are tube heat exchangers, which are an outer tube 401 having a plurality of inner tubes 402 disposed therein. Wherein the plurality of high temperature channels 42(42 ') are formed in the plurality of inner tubes 402, and two ends of the plurality of inner tubes 402 are respectively communicated with the second water inlet 45(45 ') and the second water outlet 46(46 '). The portions of the outer tube 401 except the inner tubes 402 are the normal temperature channels 41(41 '), and the outer peripheral surface of the outer tube 401 is provided with the first water inlet 43 (43') and the first water outlet 44(44 ') communicated with the normal temperature channels 41 (41').
The utility model provides a steam sterilization pot waste heat recovery system, when beginning to carry out the sterilization operation, by the leading-in normal atmospheric temperature water (like RO water) of the first water inlet 43 of this first heat exchanger 40 among these a plurality of normal atmospheric temperature runners 41, then send this normal atmospheric temperature water to this water supply motor 50 by this first delivery port 44, squeeze into this steam generator 30 through this water supply motor 50 with this normal atmospheric temperature water through this inlet tube 31, reuse this electric heater 32 with the steam generator 30 in the normal atmospheric temperature water heating to producing high temperature steam, then send into to carrying out the sterilization operation to article wherein among this steam sterilization pot 20 via this steam induction pipe 21. The high temperature hot water condensed during the sterilization of the high temperature steam in the steam sterilization pot 20 is guided to the second water inlet 45 of the first heat exchanger 40 through the hot water guiding pipe 22, and then sent to the plurality of high temperature flow channels 42 of the first heat exchanger 40, so that the heat exchange is performed with the normal temperature water sent into the normal temperature flow channel 41 from the first water inlet 43, and thus the water with the temperature raised by the heat exchange in the normal temperature flow channel 41 is sent to the steam generator 30 through the first water outlet 44 and then through the motor 50, so that the water sent to the steam generator 30 after the 2 nd time has a higher temperature, and the electric heater 32 can generate steam by using less energy, and thus the purpose of saving energy by using the high temperature of the waste water generated by the steam sterilization pot 20 can be achieved greatly.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steam sterilizer waste heat recovery system, comprising:
a steam sterilizing pot, the interior of which can be used for containing the articles to be sterilized;
a steam generator for heating water to generate high-temperature steam and sending the steam into the steam sterilizing pot;
a first heat exchanger, which is provided with a plurality of normal temperature flow channels and a plurality of high temperature flow channels which are staggered but not communicated with each other and can make the water inside exchange heat, wherein the normal temperature flow channels are communicated with a first water inlet and a first water outlet, the high temperature flow channels are communicated with a second water inlet and a second water outlet, the first water inlet can lead the outside normal temperature water into the normal temperature flow channels, the first water outlet can discharge the water which is heated after heat exchange in the normal temperature flow channels, the second water inlet is connected with the steam sterilization pot and can lead the high temperature hot water generated by condensation when the high temperature steam in the steam sterilization pot is sterilized into the high temperature flow channels, and the second water outlet can discharge the water which is cooled after heat exchange in the high temperature flow channels; and
a water supply motor connected with the first water outlet of the first heat exchanger and the steam generator for driving water discharged from the first water outlet into the steam generator.
2. The waste heat recovery system of claim 1, wherein the steam sterilizer has a steam inlet pipe and a hot water outlet pipe, the steam inlet pipe is connected to the steam generator for introducing the high temperature steam generated by the steam generator into the steam sterilizer, and the hot water outlet pipe is connected to the second water inlet of the first heat exchanger for introducing the high temperature hot water condensed during sterilization of the high temperature steam in the steam sterilizer into the plurality of high temperature flow channels.
3. The waste heat recovery system of claim 1, wherein the steam generator has a water inlet pipe, at least one electric heater and at least one water level detector, the water inlet pipe is connected to the water supply motor, the water inlet pipe is provided with an electromagnetic valve for controlling whether water is fed into the steam generator through the water inlet pipe, the electric heater is used for heating the water in the steam generator to generate high temperature steam, the water level detector is used for detecting the water level in the steam generator, and the electromagnetic valve is controlled to be opened to allow the water in the water inlet pipe to enter the steam generator when the water shortage is detected.
4. The waste heat recovery system of steam sterilizer as claimed in claim 3, wherein the number of the water level detectors is 3 for detecting low, medium and high water levels in the steam generator, respectively, the electromagnetic valve is controlled to be opened to let water in the water inlet pipe enter the steam generator when the medium water level is detected, the electromagnetic valve is controlled to be closed to make water in the water inlet pipe not enter the steam generator when the high water level is detected, and the electric heater is closed to serve as a safety mechanism for preventing dry burning when the low water level is detected.
5. The waste heat recovery system of claim 3, wherein the steam generator has a drain pipe, and the drain pipe is provided with a manual control valve, and the manual control valve can be opened to drain water from the steam generator when sterilization is not performed.
6. The waste heat recovery system of claim 1, wherein the external normal temperature water introduced from the first water inlet of the first heat exchanger is RO water.
7. The waste heat recovery system of claim 1, wherein the first heat exchanger is a plate heat exchanger, the plate heat exchanger is formed by combining a plurality of heat exchange plates, the heat exchange plates are provided with the normal temperature channels and the first water inlets and the first water outlets communicating with the normal temperature channels, and the heat exchange plates are provided with the high temperature channels and the second water inlets and the second water outlets communicating with the high temperature channels.
8. The waste heat recovery system of claim 1, wherein the first heat exchanger is a tube heat exchanger, the tube heat exchanger is an outer tube having a plurality of inner tubes, the plurality of inner tubes respectively form the plurality of high temperature channels, two ends of the plurality of inner tubes are respectively connected to the second water inlet and the second water outlet, the plurality of normal temperature channels are disposed inside the outer tube except for the plurality of inner tubes, and the outer circumference of the outer tube has the first water inlet and the first water outlet connected to the plurality of normal temperature channels.
9. The waste heat recovery system of claim 1, further comprising a second heat exchanger having the same structure as the first heat exchanger, wherein the first water inlet of the second heat exchanger is connected with external normal temperature water for leading the external normal temperature water into the plurality of normal temperature flow channels of the second heat exchanger, the first water outlet of the second heat exchanger can discharge the water with the temperature increased by heat exchange in the plurality of normal temperature channels for reuse, the second water inlet of the second heat exchanger is connected with the second water outlet of the first heat exchanger, so as to lead the hot water discharged from the second water outlet into the plurality of high-temperature flow channels of the second heat exchanger, the second water outlet of the second heat exchanger can be used for discharging the water with the temperature reduced after heat exchange in the plurality of high-temperature channels.
10. The waste heat recovery system of claim 9, wherein the water introduced from the first water inlet of the second heat exchanger is tap water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137730.3U CN212593116U (en) | 2020-06-18 | 2020-06-18 | Waste heat recovery system of steam sterilizing pot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137730.3U CN212593116U (en) | 2020-06-18 | 2020-06-18 | Waste heat recovery system of steam sterilizing pot |
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| CN212593116U true CN212593116U (en) | 2021-02-26 |
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| CN202021137730.3U Active CN212593116U (en) | 2020-06-18 | 2020-06-18 | Waste heat recovery system of steam sterilizing pot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813409A (en) * | 2020-06-18 | 2021-12-21 | 大正和仪器股份有限公司 | Waste heat recovery system of steam sterilizing pot |
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- 2020-06-18 CN CN202021137730.3U patent/CN212593116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813409A (en) * | 2020-06-18 | 2021-12-21 | 大正和仪器股份有限公司 | Waste heat recovery system of steam sterilizing pot |
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