CN205431930U - Steam sterilization system based on PLC control - Google Patents
Steam sterilization system based on PLC control Download PDFInfo
- Publication number
- CN205431930U CN205431930U CN201620106777.0U CN201620106777U CN205431930U CN 205431930 U CN205431930 U CN 205431930U CN 201620106777 U CN201620106777 U CN 201620106777U CN 205431930 U CN205431930 U CN 205431930U
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- China
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- pneumatic
- way valve
- plc
- goods
- heat exchanger
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- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a steam sterilization system based on PLC control, the system includes PLC controller and the man -machine interface who connects with it, the PLC controller includes a plurality of control node, the system still includes steam sterilization mechanism and material flow mechanism, steam sterilization mechanism includes the plate heat exchanger who provides the sterilization place for the material, and matter entrance connects gradually pneumatic two -position three way valve I, dehvery pump, basin, pneumatic two -position three way valve II, circulating pump and buffer tank temporarily through the material flow pipeline, material flow pipeline between dehvery pump and the temporary basin passes plate heat exchanger. Compared with the prior art, the utility model discloses a steam sterilization system based on PLC control through the sterilization of PLC controller control system, through PLC controller material temperature, has guaranteed that the material temperature after the heating can reach the requirement, has improved the heat utilization efficiency, and degree of automation is higher, does not need manual control temperature and liquid level height, has reduced the human cost.
Description
Technical field
This utility model relates to food safety processing technique field, particularly to a kind of steam sterilizing system controlled based on PLC.
Background technology
High temperature sterilization of the prior art, carries out sterilizing by high-temperature steam or high-temperature water to food, then packs.And existing high temperature sterilize exists following defect: the temperature after sterilizing is not suitable for, the thermal efficiency utilizes the highest, wastes the energy；There is bacterium colony dead angle in material, sterilizing is the most thorough；Automation technolo is inadequate, needs manpower to control temperature and pressure.
Utility model content
This utility model purpose is to provide a kind of steam sterilizing system controlled based on PLC, is not suitable for solving in prior art the temperature after sterilizing, and the thermal efficiency utilizes the highest, wastes the energy；There is bacterium colony dead angle in material, sterilizing is the most thorough；Automation technolo is inadequate, needs the technical bug of the threat of manpower control temperature and pressure.
The technical solution of the utility model is achieved in that
nullA kind of steam sterilizing system controlled based on PLC，System includes PLC and the man machine interface being attached thereto，Described PLC includes some control nodes，Described system also includes steam sterilization mechanism and Flow of Goods and Materials mechanism，Described steam sterilization mechanism includes the plate type heat exchanger providing sterilizing place to material，The steam inlet of described plate type heat exchanger is provided with the electromagnetic valve and electric control valve being connected respectively with control node，The cooling water outlet of described plate type heat exchanger connects condensation water collection tank，Described Flow of Goods and Materials mechanism includes material inlet、Flow of Goods and Materials pipeline、Pneumatic two-position three-way valve I、Dehvery pump、Temporary storage jar、Pneumatic two-position three-way valve II、Circulating pump and surge tank，Material inlet is sequentially connected with Pneumatic two-position three-way valve I by Flow of Goods and Materials pipeline、Dehvery pump、Temporary storage jar、Pneumatic two-position three-way valve II、Circulating pump and surge tank，Flow of Goods and Materials pipeline between described dehvery pump and temporary storage jar passes plate type heat exchanger，The position that described Flow of Goods and Materials pipeline is positioned at plate type heat exchanger discharging is provided with point for measuring temperature I，Point for measuring temperature II it is provided with in temporary storage jar，Also it is connected between described Pneumatic two-position three-way valve I and Pneumatic two-position three-way valve II and has Flow of Goods and Materials pipeline，Described dehvery pump、Pneumatic two-position three-way valve I、Pneumatic two-position three-way valve II、Point for measuring temperature I and point for measuring temperature II is connected to control node.
Preferably, described temporary storage jar and surge tank are provided with capacitance liquid level instrument, and described capacitance liquid level instrument connects control node.
Preferably, being connected and have exhaustor between described temporary storage jar and the discharging opening of dehvery pump, described exhaustor is provided with exhaust solenoid valve, and described exhaust solenoid valve connects control node.
Compared with prior art, this utility model has a following beneficial effect:
The steam sterilizing system controlled based on PLC of the present utility model, by PLC control system sterilizing, by PLC temperature of charge, it is ensured that the temperature of charge after heating can reach requirement, improves heat utilization efficiency；And automaticity is higher, it is not necessary to manpower controls temperature and liquid level, reduces human cost.
Accompanying drawing explanation
Fig. 1 is the process chart of the steam sterilizing system that this utility model controls based on PLC；
Fig. 2 is the structural representation of the steam sterilizing system that this utility model controls based on PLC；
Fig. 3 is the right view of Fig. 2.
In figure: PLC 1, man machine interface 2, plate type heat exchanger 3, steam inlet 4, electromagnetic valve 5, electric control valve 6, cooling water outlet 7, condensation water collection tank 8, material inlet 9, Flow of Goods and Materials pipeline 10, Pneumatic two-position three-way valve I11, dehvery pump 12, temporary storage jar 13, Pneumatic two-position three-way valve II14, circulating pump 15, surge tank 16, point for measuring temperature I17, point for measuring temperature II18, exhaustor 19, exhaust solenoid valve 20, capacitance liquid level instrument 21.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, this utility model is clearly and completely described.
nullAs shown in Figure 1 to Figure 3，A kind of steam sterilizing system controlled based on PLC，System includes PLC 1 and the man machine interface 2 being attached thereto，Man machine interface 2 is various measurement parameters in display system，Described PLC 1 includes some control nodes，Control node and be used for input and the output of PLC 1 control instruction of outer signals，Described system also includes steam sterilization mechanism and Flow of Goods and Materials mechanism，Described steam sterilization mechanism includes the plate type heat exchanger 3 providing sterilizing place to material，The steam inlet 4 of described plate type heat exchanger 3 is provided with the electromagnetic valve 5 and electric control valve 6 being connected respectively with control node，The cooling water outlet 7 of described plate type heat exchanger 3 connects condensation water collection tank 8，When the heat exchange area of plate type heat exchanger 3 is sufficiently large，Cooling water outlet 7 out be substantially condensed water，So drain valve can be not provided with，Described Flow of Goods and Materials mechanism includes material inlet 9、Flow of Goods and Materials pipeline 10、Pneumatic two-position three-way valve I11、Dehvery pump 12、Temporary storage jar 13、Pneumatic two-position three-way valve II14、Circulating pump 15 and surge tank 16，Material inlet 9 is sequentially connected with Pneumatic two-position three-way valve I11 by Flow of Goods and Materials pipeline 10、Dehvery pump 12、Temporary storage jar 13、Pneumatic two-position three-way valve II14、Circulating pump 15 and surge tank 16，Flow of Goods and Materials pipeline 10 between described dehvery pump 12 and temporary storage jar 13 is through plate type heat exchanger 3，Flow of Goods and Materials pipeline 10 and the plate type heat exchanger 3 of this part carry out heat transfer process，Thus material is carried out sterilizing，Described Flow of Goods and Materials pipeline 10 is positioned at the position of plate type heat exchanger 3 discharging and is provided with point for measuring temperature I17，Point for measuring temperature II18 it is provided with in temporary storage jar 13，Also it is connected between described Pneumatic two-position three-way valve I11 and Pneumatic two-position three-way valve II14 and has Flow of Goods and Materials pipeline 10，Described dehvery pump 12、Pneumatic two-position three-way valve I11、Pneumatic two-position three-way valve II14、Point for measuring temperature I17 and point for measuring temperature II18 is connected to control node；Described temporary storage jar 13 and surge tank 16 are provided with capacitance liquid level instrument 21, described capacitance liquid level instrument 21 connects control node, liquid level signal in temporary storage jar 13 or surge tank 16 can be sent to PLC 1 by capacitance liquid level instrument 21, during slow liquid, PLC 1 controls to close dehvery pump 12 and electromagnetic valve 5, and liquid level automatically turns on dehvery pump 12 and electromagnetic valve 5 when declining；Being connected between described temporary storage jar 13 and the discharging opening of dehvery pump 12 and have exhaustor 19, described exhaustor 19 is provided with exhaust solenoid valve 20, and described exhaust solenoid valve 20 connects control node, and this exhaust solenoid valve 20 is owing to controlling the gas pressure in temporary storage jar 13.
---(9)---(10)---(11)---()---condensation water collection tank as it is shown in figure 1, the steam channel of steam sterilization mechanism is: (8)；When the temperature that point for measuring temperature II measures is consistent with the temperature of setting, two position three-way valve I and two position three-way valve II, material channel (1)---(2)---(3)---(4)---(5)---(6)---surge tank now is controlled by PLC；When the temperature that point for measuring temperature II measures is consistent with the temperature of setting, two position three-way valve I and two position three-way valve II is controlled by PLC,---(7)---(2)---(3)---(4)---material of not up to design temperature is circulated heating to material channel (5) now by (6), until temperature reaches setting value；The temperature signal measured as point for measuring temperature I sends into PLC, compares with design temperature, and carries out PID calculating, the result that PLC will calculate, is converted to analog control signal by D/A, and sends into electric control valve, the aperture of control valve, makes the material value after heating reach requirement.
Structure the most of the present utility model understands, and the steam sterilizing system controlled based on PLC of the present utility model, by PLC control system sterilizing, by PLC temperature of charge, it is ensured that the temperature of charge after heating can reach requirement, improves heat utilization efficiency；And automaticity is higher, it is not necessary to manpower controls temperature and liquid level, reduces human cost.
Claims (3)
- null1. the steam sterilizing system controlled based on PLC，It is characterized in that，System includes PLC and the man machine interface being attached thereto，Described PLC includes some control nodes，Described system also includes steam sterilization mechanism and Flow of Goods and Materials mechanism，Described steam sterilization mechanism includes the plate type heat exchanger providing sterilizing place to material，The steam inlet of described plate type heat exchanger is provided with the electromagnetic valve and electric control valve being connected respectively with control node，The cooling water outlet of described plate type heat exchanger connects condensation water collection tank，Described Flow of Goods and Materials mechanism includes material inlet、Flow of Goods and Materials pipeline、Pneumatic two-position three-way valve I、Dehvery pump、Temporary storage jar、Pneumatic two-position three-way valve II、Circulating pump and surge tank，Material inlet is sequentially connected with Pneumatic two-position three-way valve I by Flow of Goods and Materials pipeline、Dehvery pump、Temporary storage jar、Pneumatic two-position three-way valve II、Circulating pump and surge tank，Flow of Goods and Materials pipeline between described dehvery pump and temporary storage jar passes plate type heat exchanger，The position that described Flow of Goods and Materials pipeline is positioned at plate type heat exchanger discharging is provided with point for measuring temperature I，Point for measuring temperature II it is provided with in temporary storage jar，Also it is connected between described Pneumatic two-position three-way valve I and Pneumatic two-position three-way valve II and has Flow of Goods and Materials pipeline，Described dehvery pump、Pneumatic two-position three-way valve I、Pneumatic two-position three-way valve II、Point for measuring temperature I and point for measuring temperature II is connected to control node.
- 2. the steam sterilizing system controlled based on PLC as claimed in claim 1, it is characterised in that described temporary storage jar and surge tank are provided with capacitance liquid level instrument, described capacitance liquid level instrument connects control node.
- 3. the steam sterilizing system controlled based on PLC as claimed in claim 1 or 2, it is characterised in that be connected between described temporary storage jar and the discharging opening of dehvery pump and have exhaustor, described exhaustor is provided with exhaust solenoid valve, and described exhaust solenoid valve connects control node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106777.0U CN205431930U (en) | 2016-02-02 | 2016-02-02 | Steam sterilization system based on PLC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106777.0U CN205431930U (en) | 2016-02-02 | 2016-02-02 | Steam sterilization system based on PLC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205431930U true CN205431930U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620106777.0U Expired - Fee Related CN205431930U (en) | 2016-02-02 | 2016-02-02 | Steam sterilization system based on PLC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205431930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643702A (en) * | 2020-05-13 | 2020-09-11 | 石家庄吉瑞节能技术有限公司 | Automatic control system for continuous sterilization |
| CN118142296A (en) * | 2024-05-11 | 2024-06-07 | 合肥智测电子有限公司 | Full-automatic sterilizing steam quantitative separation method and system |
-
2016
- 2016-02-02 CN CN201620106777.0U patent/CN205431930U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643702A (en) * | 2020-05-13 | 2020-09-11 | 石家庄吉瑞节能技术有限公司 | Automatic control system for continuous sterilization |
| CN111643702B (en) * | 2020-05-13 | 2021-12-21 | 石家庄吉瑞节能技术有限公司 | Automatic control system for continuous sterilization |
| CN118142296A (en) * | 2024-05-11 | 2024-06-07 | 合肥智测电子有限公司 | Full-automatic sterilizing steam quantitative separation method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20180202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |