CN105222607B - A kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment - Google Patents
A kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment Download PDFInfo
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- CN105222607B CN105222607B CN201510681033.1A CN201510681033A CN105222607B CN 105222607 B CN105222607 B CN 105222607B CN 201510681033 A CN201510681033 A CN 201510681033A CN 105222607 B CN105222607 B CN 105222607B
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Abstract
The invention discloses a kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment, including temperature sensor, shell-and-tube heat exchanger, filter, manual ball valve, magnetic valve, single chip control unit, alarm module, the keying of magnetic valve is controlled by single chip control unit in real time, on the one hand it ensure that the cooling effect of shell-and-tube heat exchanger, on the other hand magnetic valve can be closed in time when not needing cooling water, it is to avoid the waste of water resource；Due to provided with alarm module, when single chip control unit breaks down, may remind the user that timely maintenance, sterilizer is rationally and effectively run；Manual ball valve is provided with due to being bypassed in magnetic valve, when single chip control unit breaks down, manual ball valve is opened, shell-and-tube heat exchanger remains to continue to condense water vapour, it is ensured that liquid-ring vacuum pump continues normal work.
Description
Technical field
The present invention relates to a kind of high-temp sterilizing equipment, and in particular to a kind of pulse vacuum pressuresteam sterilization equipment
Discharge of steam cooling device, especially a kind of heat exchanger suitable for pulse vacuum pressuresteam sterilization equipment, which supplies water, adjusts dress
Put.
Background technology
High vacuum autoclave with pulsing system is a kind of high-temperature sterilization equipment, be by heating water into saturated vapor,
The temperature of its saturated vapor carries out high-temperature sterilization using saturated vapor more than 130 DEG C to the article being placed in sterilization bin.
After the completion of high-temperature sterilization, it usually needs extract the saturated vapor in sterilization bin out with vavuum pump and discharge, its saturated vapor discharged
Temperature is higher, typically each more than 100 DEG C, the exhaust steam of such high temperature, and if discharged without being cooled down, one understands in vavuum pump
Interior to produce larger noise, two may scorch blow-off line or scald staff, so, at present in pulse vacuum steam
In the exhaust steam discharge process of sterilizer, steam cooling device is provided with, it is cold to be carried out to the exhaust steam in discharge process
Solidifying cooling, the cooling device is to use water-cooling pattern, commonly referred to as heat exchanger, and its structure is usually to be set in vapor discharge channel
Many cold water pipes are put, vapours is fully contacted with cold water tube wall, steam is taken away by the cold water flowed continuously through in cold water pipe
Heat so that reach make discharge steam carry out condensation cooling purpose.The device that the heat exchanger provides cold water is generally wrapped
The magnetic valve of vavuum pump, cold water filter and control cold water pipe opening and closing is included, its vavuum pump generally uses liquid-ring vacuum pump, works as liquid
When in circular vacuum pump startup, vapor discharge channel by water vapour, magnetic valve is opened, and extraneous running water is by filter and opens
The magnetic valve that opens and enter in the cold water pipe being laid in vapor discharge channel so as to the heat passed through in vapor discharge channel
Steam carries out condensation cooling, so as to significantly reduce the steam temperature into liquid-ring vacuum pump, and then reaches reduction steam row
Put temperature and reduce the purpose of liquid-ring vacuum pump noise.
The heat exchanger feed regulator of prior art, as long as liquid-ring vacuum pump one starts, magnetic valve just opens cold water
The vapours passed through in the water inlet end of pipe, condensing heat exchanger pipeline.But when the high temperature in high vacuum autoclave with pulsing system
When water vapour has been evacuated, this stylish temperature for entering the fresh air in high vacuum autoclave with pulsing system in storehouse compared with
It is low, now by the steam temperature of heat exchanger internal layer also than relatively low, it is no longer necessary to carry out condensation and cool, but now
Magnetic valve is continued in opened condition, and extraneous running water continues heat exchanging device and supplied water, and wastes substantial amounts of water resource, adds
The use cost of high vacuum autoclave with pulsing system, and when magnetic valve breaks down, heat exchanger will be unable to continue to high temperature
Water vapour is condensed, and now high-temperature steam will be expelled directly out, and is easily scorched blow-off line or is scalded staff, and enters pendular ring
High-temperature water vapor in formula vavuum pump also leads to liquid-ring vacuum pump and sends larger noise, and fragile liquid-ring vacuum pump.
The content of the invention
For deficiencies of the prior art, the present invention provides a kind of changing for pulse vacuum pressuresteam sterilization equipment
Hot device feed regulator, it includes temperature sensor, shell-and-tube heat exchanger, filter, manual ball valve, magnetic valve, single-chip microcomputer
Control unit, alarm module, control the keying of magnetic valve by single chip control unit, on the one hand ensure that shell-and-tube in real time
The cooling effect of heat exchanger, on the other hand can close magnetic valve in time, it is to avoid the wave of water resource when not needing cooling water
Take；Due to provided with alarm module, when single chip control unit breaks down, may remind the user that timely maintenance, making sterilizer
Can rationally and effectively it run；Manual ball valve is provided with due to being bypassed in magnetic valve, when single chip control unit breaks down, is beaten
Manual ball valve is opened, shell-and-tube heat exchanger remains to continue to condense water vapour, it is ensured that liquid-ring vacuum pump continues normal work
Make.
The present invention solves its technical problem, and the technical scheme used is：A kind of pulse vacuum pressuresteam sterilization equipment
Heat exchanger feed regulator, including shell-and-tube heat exchanger, filter and magnetic valve, its design feature is：Also include monolithic
Machine control unit, alarm module and temperature sensor, the shell-and-tube heat exchanger are divided into main body and branch pipe, in shell-and-tube heat exchanger
Main body on be provided with water vapour import, steam outlet and running water outlet, the water vapour import and pulse vacuum pressure
The sterilization bin of steam sterilizing equipment is connected, the steam outlet and the vavuum pump phase of pulse vacuum pressuresteam sterilization equipment
Even；Running water inlet is provided with the branch pipe of shell-and-tube heat exchanger, the filter is arranged on running water inlet and shell-and-tube
On branch pipe between heat exchanger main body, the magnetic valve is arranged on the branch pipe between filter and shell-and-tube heat exchanger main body,
The temperature sensor is arranged in the tube chamber of shell-and-tube heat exchanger main body, the signal output part and monolithic of the temperature sensor
The signal input part of machine control unit is connected, and the first signal output part of single chip control unit is connected with magnetic valve, the second letter
Number output end is connected with alarm module.
Further, in addition to manual ball valve, the manual ball valve be arranged on magnetic valve and shell-and-tube heat exchanger main body it
Between branch pipe on.
It is preferred that, the temperature sensor is provided with two altogether, is separately positioned at water vapour import and steam outlet
Shell-and-tube heat exchanger tube chamber oral area.
It is preferred that, the main body of the shell-and-tube heat exchanger is vertically arranged, and the water vapour import is arranged on pipe shell type heat exchange
The bottom of device main body, steam outlet is arranged on the top of shell-and-tube heat exchanger main body, and the running water outlet side is opened in shell
The top of formula heat exchanger main body.
Further, the main body of the shell-and-tube heat exchanger is divided into outer tube and inner tube, and the outer tube is water vapour passage, institute
Inner tube is stated to be arranged on the intraluminal originally aquaporin of outer tube, the originally aquaporin using metal material making, it is described originally
One end of aquaporin is connected with the branch pipe of shell-and-tube heat exchanger, and the other end is with being arranged on shell-and-tube heat exchanger body top originally
Water out is connected.
It is preferred that, many inner tubes are provided with the outer tube, the lumen diameter of the outer tube is described interior more than 30 centimetres
The lumen diameter of pipe is 2 to 3 centimetres, specifically, 15 to 25 inner tubes is provided with altogether in the outer tube.
The temperature sensor set at above-mentioned water vapour import sets controlling value as less than 80 DEG C closed electromagnetic valves, to water
The temperature sensor that steam outlet is set sets controlling value as less than 70 DEG C closed electromagnetic valves, at according to steam outlet
The control instruction that the detected value of the temperature sensor of setting is sent, and according to the temperature sensor set at water vapour import
When the control instruction that detected value is sent is clashed, the preferential inspection performed according to the temperature sensor set at steam outlet
The control instruction that measured value is sent.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is controlled in real time by single chip control unit
The keying of magnetic valve, on the one hand ensure that the cooling effect of shell-and-tube heat exchanger, on the other hand can be with when not needing cooling water
Magnetic valve is closed in time, it is to avoid the waste of water resource；Simultaneously because provided with alarm module, when event occurs for single chip control unit
During barrier, timely maintenance is may remind the user that, sterilizer is rationally and effectively run；It is provided with manual due to being bypassed in magnetic valve
Ball valve, when single chip control unit breaks down, opens manual ball valve, shell-and-tube heat exchanger remains to continue to carry out water vapour
Condensation, it is ensured that liquid-ring vacuum pump continues normal work.
Brief description of the drawings
Specific embodiments of the present invention are elaborated below in conjunction with the accompanying drawings.
Fig. 1 is theory diagram of the invention；
Fig. 2 is structural representation of the invention；
Fig. 3 is the pipeline internal structure schematic diagram of the shell-and-tube heat exchanger of the present invention.
In figure：1 shell-and-tube heat exchanger, 2 magnetic valves, 3 manual ball valves, 4 filters, 5 running water inlets, 6 water vapour imports,
7 running water outlets, 8 steam outlets, 9 water vapour passages, 10 originally aquaporin, 11 temperature sensors.
Embodiment
A kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment as described in Fig. 1-3, including temperature
Spend sensor 11, shell-and-tube heat exchanger 1, filter 4, manual ball valve 3, magnetic valve 2, single chip control unit, alarm module, institute
It is main body and branch pipe to state 1 point of shell-and-tube heat exchanger, and water vapour import 6, water vapour are provided with the main body of shell-and-tube heat exchanger 1
Outlet 8 and running water outlet 7, the water vapour import 6 is connected with the sterilization bin of pulse vacuum pressuresteam sterilization equipment, described
Steam outlet 8 is connected with the vavuum pump of pulse vacuum pressuresteam sterilization equipment, in the present embodiment, and the vavuum pump is adopted
Use liquid-ring vacuum pump.
Running water inlet 5 is provided with the branch pipe of shell-and-tube heat exchanger 1, the temperature sensor 11 has two, point
The tube chamber oral area for the shell-and-tube heat exchanger 1 not being arranged at water vapour import 6 and steam outlet 8, the filter 4 is arranged on
On branch pipe between running water inlet 5 and the main body of shell-and-tube heat exchanger 1, filter 4 can be to being pumped into shell-and-tube heat exchanger 1 originally
Water is filtered and purified, and the magnetic valve 2 is arranged on the branch pipe between filter 4 and the main body of shell-and-tube heat exchanger 1, described
Manual ball valve 3 is arranged on the branch pipe between magnetic valve 2 and the main body of shell-and-tube heat exchanger 1, the signal of the temperature sensor 11
Output end is connected with the signal input part of single chip control unit, the first signal output part and magnetic valve of single chip control unit
2 are connected, and secondary signal output end is connected with alarm module.
The main body of shell-and-tube heat exchanger 1 is vertically arranged, and the water vapour import 6 is arranged on the main body of shell-and-tube heat exchanger 1
Bottom, steam outlet 8 is arranged on the top of the main body of shell-and-tube heat exchanger 1, and the side of running water outlet 7 is opened in pipe shell type heat exchange
The top of the main body of device 1, the main body of shell-and-tube heat exchanger 1 is divided into outer tube and inner tube, and the outer tube is water vapour passage 9, outer tube
Lumen diameter is typically larger than 30 centimetres, and present embodiment preferably its lumen diameter is 30 centimetres, the water vapour that need to be cooled down and discharge
Discharged by outer tube, said inner tube is is arranged on intraluminal originally aquaporin 10 of outer tube, and the originally aquaporin 10 is adopted
Made of metal material, the lumen diameter of said inner tube is 2 to 3 centimetres, and one end of the originally aquaporin 10 is changed with shell-and-tube
The branch pipe connection of hot device 1, the other end is connected with being arranged on the running water outlet 7 of the body top of shell-and-tube heat exchanger 1.
The inner tube quantity being arranged in outer tube is usually 15 to 25, and present embodiment is preferably set in water vapour passage 9
19 originally aquaporin 10 are put, for cooling down the running water of water vapour by originally aquaporin 10 in water vapour passage 9
The vapours of process is cooled down, and its specific cooling principle is originally aquaporin 10 for allowing vapours and many root timber matter to be metal
Tube wall is contacted, and the heat of steam is taken away by the cold water constantly flowed in originally aquaporin 10, and steam is carried out so as to realize
Cooling and condensation.
When high vacuum autoclave with pulsing system needs the vapours in pump drainage sterilization bin, start liquid-ring vacuum pump,
The water vapour passage 9 that water vapour in high vacuum autoclave with pulsing system interior room will pass through shell-and-tube heat exchanger 1 is drawn into liquid
Circular vacuum Pump Suction Nozzle, when water vapour enters the water vapour passage 9 of shell-and-tube heat exchanger 1, is arranged on shell-and-tube heat exchanger 1
Water vapour import 6 at temperature sensor 11 can detect the temperature of water vapour, and detected temperature signal hair
Give single chip control unit, single chip control unit sent according to the temperature signal that it is received corresponding control instruction to
Magnetic valve 2 on the support of shell-and-tube heat exchanger 1, if the temperature value that temperature sensor 11 is detected is controlled higher than single-chip microcomputer
During the setting value of unit, single chip control unit control magnetic valve 2 is opened, and extraneous running water enters shell-and-tube by magnetic valve 2
Many in heat exchanger 1 originally aquaporin 10, so as to be condensed to the high-temperature steam in shell-and-tube heat exchanger 1, after cooling
Water vapour discharged from the outlet of liquid-ring vacuum pump.
Single chip control unit control magnetic valve 2 open specific control program be：When water vapour enters pipe shell type heat exchange
During the water vapour import 6 of device 1, the water vapour that the temperature sensor 11 of setting here can detect shell-and-tube heat exchanger 1 enters
The temperature of mouth 6, and single chip control unit is sent a signal to, single chip control unit is changed to the temperature signal received
And compared with the temperature range of setting, and send a signal to magnetic valve 2 to open corresponding gear to adjust the water inlet of running water
Amount.The controlling value that sets of temperature sensor 11 to being set at water vapour import 6 is closed as less than 80 DEG C magnetic valves 2；80 DEG C~
90 DEG C of magnetic valves 2 open one grade；90 DEG C~100 DEG C magnetic valves 2 open two grades；100 DEG C~120 DEG C magnetic valves 2 open third gear；120 DEG C~
150 DEG C of magnetic valves 2 open fourth gear (standard-sized sheet).
After water vapour is condensed by shell-and-tube heat exchanger 1, when reaching steam outlet 8, it is arranged on water vapour and goes out
Temperature sensor 11 at mouth 8 can detect the temperature of the steam outlet 8 of shell-and-tube heat exchanger 1, to being set at steam outlet 8
Temperature sensor 11 set controlling value as 70 DEG C, after the cooling that shell-and-tube heat exchanger 1 is have passed through due to water vapour, its temperature
It can reduce, therefore the setting controlling value of the temperature sensor 11 to being set at steam outlet 8 is less than to being set at water vapour import 6
Temperature sensor 11 setting controlling value, the temperature sensor 11 set at steam outlet 8 believes the temperature value detected
Number be sent to single chip control unit, single chip control unit the temperature signal received is changed and with the temperature value of setting
70 DEG C are compared, if less than 70 DEG C of the temperature value of setting, single chip control unit sends signal-off magnetic valve 2, to stop
Only intake, otherwise continue to intake, and then realize the real-time control of the water inlet of shell-and-tube heat exchanger 1, reduce the waste of water resource.
When the control instruction sent according to the detected value of the temperature sensor 11 set at steam outlet 8, with basis
When the control instruction that the detected value of the temperature sensor 11 set at water vapour import 6 is sent is clashed, root is preferentially performed
The control instruction sent according to the detected value of the temperature sensor 11 set at steam outlet 8.
When there are abnormal conditions in magnetic valve 2 or temperature sensor 11, single chip control unit send control signal to
Alarm module is alarmed, to point out failure.The manual ball valve 3 in the bypass of magnetic valve 2 can be now opened, is continued to shell-and-tube
Water supply pipe 10 in heat exchanger 1 provides cold water, with to the water vapour in the water vapour passage 9 by shell-and-tube heat exchanger 1
Continue to condense, so as to be lowered into the temperature of liquid-ring vacuum pump water vapour, reduce the noise of liquid-ring vacuum pump, it is ensured that
Liquid-ring vacuum pump continues normal operation.
The above described is only a preferred embodiment of the present invention, not making any limit to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (7)
1. a kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment, it is characterised in that：Including shell-and-tube
Heat exchanger (1), filter (4), manual ball valve (3) and magnetic valve (2), in addition to single chip control unit, alarm module and temperature
Sensor (11) is spent, the shell-and-tube heat exchanger (1) is divided into main body and branch pipe, set in the main body of shell-and-tube heat exchanger (1)
There are water vapour import (6), steam outlet (8) and running water outlet (7), the water vapour import (6) and pulse vacuum pressure
The sterilization bin of steam sterilizing equipment is connected, the steam outlet (8) and the vavuum pump of pulse vacuum pressuresteam sterilization equipment
It is connected；Running water inlet (5) is provided with the branch pipe of shell-and-tube heat exchanger (1), the filter (4) is arranged on running water and entered
On branch pipe between mouth (5) and shell-and-tube heat exchanger (1) main body, the magnetic valve (2) is arranged on filter (4) and changed with shell-and-tube
On branch pipe between hot device (1) main body, the manual ball valve (3) be arranged on magnetic valve (2) and shell-and-tube heat exchanger (1) main body it
Between branch pipe on；The temperature sensor (11) is provided with two altogether, is separately positioned on water vapour import (6) and steam outlet
(8) in the tube chamber of shell-and-tube heat exchanger (1) main body at place, when the temperature sensor (11) set according to steam outlet (8) place
The control instruction that is sent of detected value, with the detected value institute of the temperature sensor (11) set according to water vapour import (6) place
When the control instruction sent is clashed, the preferential inspection for performing the temperature sensor (11) set according to steam outlet (8) place
The control instruction that measured value is sent；The signal output part of the temperature sensor (11) and the signal of single chip control unit are inputted
End is connected, and the first signal output part of the single chip control unit is connected with magnetic valve (2), secondary signal output end and alarm
Module is connected；Single chip control unit is changed to the temperature signal received and compared with the temperature range of setting, and is sent
Signal adjusts the inflow of running water to magnetic valve (2) to open corresponding gear, the temperature set to water vapour import (6) place
The controlling value that sets of degree sensor (11) is closed as less than 80 DEG C magnetic valves (2)；80 DEG C~90 DEG C magnetic valves (2) open one grade；90
DEG C~100 DEG C of magnetic valves (2) open two grades；100 DEG C~120 DEG C magnetic valves (2) open third gear；120 DEG C~150 DEG C magnetic valves (2) are opened
Fourth gear.
2. a kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment according to claim 1, its
It is characterised by：The main body of the shell-and-tube heat exchanger (1) is vertically arranged, and the water vapour import (6) is arranged on pipe shell type heat exchange
The bottom of device (1) main body, steam outlet (8) is arranged on the top of shell-and-tube heat exchanger (1) main body, the running water outlet
(7) side is opened in the top of shell-and-tube heat exchanger (1) main body.
3. a kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment according to claim 2, its
It is characterised by：The main body of the shell-and-tube heat exchanger (1) is divided into outer tube and inner tube, and the outer tube is water vapour passage (9), described
Inner tube is is arranged on the intraluminal originally aquaporin (10) of outer tube, and the originally aquaporin (10) is made using metal material, institute
State originally one end of aquaporin (10) to connect with the branch pipe of shell-and-tube heat exchanger (1), the other end is with being arranged on shell-and-tube heat exchanger
(1) running water outlet (7) connection of body top.
4. a kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment according to claim 3, its
It is characterised by：Many inner tubes are provided with the outer tube.
5. a kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment according to claim 4, its
It is characterised by：The lumen diameter of the outer tube is more than 30 centimetres, and the lumen diameter of said inner tube is 2 to 3 centimetres, in the outer tube
In be provided with 15 to 25 inner tubes altogether.
6. a kind of heat exchanger of pulse vacuum pressuresteam sterilization equipment according to any one of claim 1 to 5 supplies water
Adjusting means, it is characterised in that：The temperature sensor (11) that water vapour import (6) place is set sets controlling value as less than 80 DEG C
Magnetic valve (2) is closed.
7. a kind of heat exchanger of pulse vacuum pressuresteam sterilization equipment according to any one of claim 1 to 5 supplies water
Adjusting means, it is characterised in that：To steam outlet (8) place set temperature sensor (11) set controlling value as 70 DEG C with
Lower magnetic valve (2) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510681033.1A CN105222607B (en) | 2015-10-19 | 2015-10-19 | A kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510681033.1A CN105222607B (en) | 2015-10-19 | 2015-10-19 | A kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment |
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| Publication Number | Publication Date |
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| CN105222607A CN105222607A (en) | 2016-01-06 |
| CN105222607B true CN105222607B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510681033.1A Active CN105222607B (en) | 2015-10-19 | 2015-10-19 | A kind of heat exchanger feed regulator of pulse vacuum pressuresteam sterilization equipment |
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Families Citing this family (1)
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| CN112033188B (en) * | 2020-09-09 | 2022-06-28 | 南通昭和机械有限公司 | Tubular heat exchanger |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2350058Y (en) * | 1998-04-13 | 1999-11-24 | 梁添丁 | Internal pot waste steam discharging assembly for steam sterilizing autoclave |
| JP2004202223A (en) * | 2002-12-12 | 2004-07-22 | Miura Co Ltd | Disinfection method of foodstuff machine |
| CN2666422Y (en) * | 2003-09-29 | 2004-12-29 | 西安交通大学 | High-temperature and high pressure steriizer cooling tubeline |
| CN201814878U (en) * | 2010-09-17 | 2011-05-04 | 山东新华医疗器械股份有限公司 | Steam intake and exhaust device of sterilizer |
| CN204329662U (en) * | 2014-11-27 | 2015-05-13 | 淄博坤瀚精细化工有限公司 | A kind of condenser |
| CN204352224U (en) * | 2014-12-08 | 2015-05-27 | 老肯医疗科技股份有限公司 | A kind of energy-saving high vacuum autoclave with pulsing system |
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Denomination of invention: Heat exchanger water supply adjusting device of pulsation vacuum pressure steam sterilization equipment Effective date of registration: 20200316 Granted publication date: 20171024 Pledgee: Chengdu gold control finance Leasing Co., Ltd. Pledgor: LAOKEN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980000752 |
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Date of cancellation: 20210506 Granted publication date: 20171024 Pledgee: Chengdu gold control finance Leasing Co.,Ltd. Pledgor: LAOKEN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980000752 |