CN202697650U - High-voltage pulse electric field sterilization common field processing chamber provided with adjustable electrode spacing - Google Patents
High-voltage pulse electric field sterilization common field processing chamber provided with adjustable electrode spacing Download PDFInfo
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- CN202697650U CN202697650U CN 201220104396 CN201220104396U CN202697650U CN 202697650 U CN202697650 U CN 202697650U CN 201220104396 CN201220104396 CN 201220104396 CN 201220104396 U CN201220104396 U CN 201220104396U CN 202697650 U CN202697650 U CN 202697650U
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Abstract
The utility model discloses a high-voltage pulse electric field sterilization common field processing chamber provided with adjustable electrode spacing. The high-voltage pulse electric field sterilization common field processing chamber is composed of two metal hollow tubular electrodes and one insulator separating tube. The insulator separating tube is located between the two metal hollow tubular electrodes to form a cavity body of the processing chamber. According to the high-voltage pulse electric field sterilization common field processing chamber, a metal hollow tubular grounding electrode and the insulator separating tube are in threaded fit so that the electrode spacing in the common field processing chamber is enabled to be adjustable. Inner ports of the metal hollow tubular electrodes in the processing chamber are in inverted round corner shape so that peak electric field strength near the electrodes is reduced, the problem of electric discharge caused by over high local electric fields in the processing chamber is solved, and meanwhile electric field intensity in the direction of material flowing is enabled to be relatively evenly distributed. The high-voltage pulse electric field sterilization common field processing chamber is simple in structure, low in cost, and convenient to process, assemble and disassemble, enables the electrode spacing in the common field processing chamber to be adjustable, and is capable of adjusting the electrode spacing in the processing chamber according to different application requirements so as to further improve the electric field intensity and electric field distribution in the processing chamber.
Description
Technical field
The utility model relates to a kind of high-pressure pulse electric sterilization and is total to an altogether process chamber of the adjustable high-pressure pulse electric sterilization of a process chamber, particularly a kind of electrode spacing.
Background technology
Along with the day by day raising of living standard, people require increasingly to raise to food quality.For keeping the minimal losses of food sense organ and nutritive value, non-thermal sterilization technology begins to be widely used in the food processing, high-pressure pulse electric (pulsed electric field, be called for short PEF) sterilization technology is one of non-thermal sterilization technology of tool Industry Development Prospect.It is good that high voltage pulsation electric-field sterilizing tech has a bactericidal effect, generally can reduce 6 logarithm periods, and sterilizing time is short, sterilization temperature is low, and substantially without impact, it is little to consume energy on chemical composition, outward appearance and the local flavor etc. of food, environmentally safe, non-secondary pollution and three wastes problem.
A complete PEF disinfection system mainly comprises four parts: high-voltage pulse generator, process chamber, fluid handling system and auxiliary monitoring system.Process chamber is the important component part of PEF disinfection system, and it is to load pending material and deposit electrode, and directly applies high-pressure pulse electric in process chamber.Process chamber generally has 2 electrodes, and the insulating materials formation of loading electrode.Whether flow according to material, process chamber is divided into static type and continous way; Be divided into flat, coaxial-type and three kinds of formulas altogether according to electrode form.
Electric-field intensity is the most important factor that affects the high-pressure pulse electric sterilization effect, and along with the increase of electric-field intensity, bactericidal effect obviously strengthens.In order to ensure good bactericidal effect, the electric-field intensity general control is in the 20-70kv/cm scope, and the square-wave pulse width that high-voltage pulse generator produces is controlled in 1 to the 10 μ s.Generally produce in the world at present with a process chamber altogether and carry out high-pressure pulse electric sterilization, in case but process chamber machine, the interior electrode spacing of process chamber is also immutable with regard to situation immutable, Electric Field Distribution.Electric-field intensity in the process chamber then depends on high-voltage pulse generator fully, high-voltage pulse generator produces high voltage, the square-wave pulse pulsewidth is little, pulse frequency is fast, its technical difficulty is large, and cost is high, the restriction that these problems are serious the development and application of high voltage pulsation electric-field sterilizing tech.
The utility model content
The utility model provides an altogether process chamber of the adjustable high-pressure pulse electric sterilization of a kind of electrode spacing, purpose is that the fixing situation non-adjustable, Electric Field Distribution of a process chamber electrode spacing is also immutable altogether at present in solution, the utility model produces under identical voltage and the square-wave pulse condition and can change electric-field intensity and Electric Field Distribution situation in the process chamber by regulating electrode spacing at high-voltage pulse generator, and then promotes the high voltage pulsation electric-field sterilizing tech development and application.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is as follows:
The high-pressure pulse electric sterilization that a kind of electrode spacing is an adjustable altogether process chamber is comprised of metal hollow tubular grounding electrode, insulator isolated tube, metal hollow tubulose high-field electrode, charging aperture and discharging opening, the insulator isolated tube forms the process chamber cavity between metal hollow tubular grounding electrode and metal hollow tubulose high-field electrode, metal hollow tubular grounding electrode links to each other with charging aperture, and metal hollow tubulose high-field electrode links to each other with discharging opening; Metal hollow tubular grounding electrode and insulator isolated tube have adopted flexible connection, can be according to the electrode spacing in the different application requirements adjusting process chambers, the scope that electrode spacing is adjustable is provided with extreme electrode distance values and minimum electrode distance values, and the metal hollow tubular grounding electrode in the process chamber and the inner port of metal hollow tubulose high-field electrode are circular-arc.
Described flexible connection is that threaded engagement connects.
The scale of Graphics Processing indoor electric die opening is carved with in metal hollow tubular grounding electrode outside, and electrode spacing is 1.5mm～10mm.Electrode spacing is controlled by screw thread, and the port of the metal hollow hollow edged electrode in the process chamber is the inner port rounding.
For guaranteeing the stable durability of process chamber, metal hollow hollow edged electrode material is chosen to be Stainless steel 316 L high temperature resistant, corrosion-resistant, that conduct electricity very well, the selected resistant of high or low temperature of the material of insulator isolated tube is good, have outstanding not viscosity, outstanding PTFE (polytetrafluoroethylene (PTFE)) or the PFA(of decay resistance crosses the fluoroalkyl compound).
The high-pressure pulse electric sterilization that the electrode spacing that the utility model provides is an adjustable altogether process chamber can be regulated electrode spacing in the process chamber according to different application requirements, and then improves electric-field intensity and Electric Field Distribution in the process chamber.The port of metal hollow hollow edged electrode is the inner port rounding, can reduce near the spike electric-field intensity that exists the electrode, improved " discharge " problem that inner treatment chamber causes because internal field is too high, simultaneously so that the electric-field intensity distribution on the Flow of Goods and Materials direction is relatively even.In addition, the utility model is simple in structure, with low cost, easy to process, be convenient to dismounting, can promote the high voltage pulsation electric-field sterilizing tech development and application.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of the utility model Fig. 1.
Fig. 3 is the Electric Field Distribution isopleth schematic diagram of the utility model electrode spacing when larger.
Fig. 4 is the utility model electrode spacing Electric Field Distribution isopleth schematic diagram hour.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model content is elaborated.
As depicted in figs. 1 and 2, a process chamber is by metal hollow tubular grounding electrode 1 altogether for the high-pressure pulse electric sterilization that the electrode spacing that the utility model provides is adjustable, and insulator isolated tube 2 and metal hollow tubulose high-field electrode 3, charging aperture 4, discharging opening 5 form.Insulator isolated tube 2 forms the process chamber cavity between metal hollow tubular grounding electrode 1 and metal hollow tubulose high-field electrode 3, metal hollow tubular grounding electrode links to each other with charging aperture, and metal hollow tubulose high-field electrode links to each other with discharging opening.Metal hollow tubular grounding electrode 1 has adopted threaded engagement with insulator isolated tube 2, can regulate electrode spacing in the process chamber according to different application requirements, and then improves electric-field intensity and Electric Field Distribution in the process chamber.The scope that electrode spacing is adjustable is provided with extreme electrode distance values and minimum electrode distance values, and is carved with the scale of Graphics Processing indoor electric die opening in metal hollow tubular grounding electrode outside, and electrode spacing is 1.5mm～10mm.Material flows into the process chamber cavity from charging aperture 4, and material flows out from discharging opening 5.The port of two metal hollow hollow edged electrodes in the process chamber is circular-arc, can reduce near the spike electric-field intensity that exists the electrode, improved " discharge " problem that inner treatment chamber causes because internal field is too high, simultaneously so that the electric-field intensity distribution on the Flow of Goods and Materials direction is relatively even, especially circular-arc better effects if when being the inner port rounding.
Metal hollow hollow edged electrode material is Stainless steel 316 L high temperature resistant, corrosion-resistant, that conduct electricity very well, the material of insulator isolated tube be resistant of high or low temperature good, have an outstanding outstanding polytetrafluoroethylene (PTFE) of not viscosity, decay resistance.
Fig. 3 is the Electric Field Distribution isopleth schematic diagram of the utility model electrode spacing when larger.When the high-voltage pulse generator output voltage is 15kV, electrode spacing is 5mm, can find out 30 Electric Field Distribution distribution of contours situations among Fig. 3, and the average field intensity in the process chamber is 22.3644 (kV/cm).
Fig. 4 is the utility model electrode spacing Electric Field Distribution isopleth schematic diagram hour.When the high-voltage pulse generator output voltage is 15kV, electrode spacing is 2mm, and the average field intensity in the process chamber is 40.1964 (kV/cm), and comparison diagram 3 can find out obviously that 30 Electric Field Distribution isopleth are obviously more even.Therefore when sterilization processing, according to different application requirements, in the situation of the magnitude of voltage that does not change the high-voltage pulse generator generation, the electrode spacing of directly regulating in the process chamber obtains suitable electric-field intensity, thereby obtains better bactericidal effect.This equipment can directly apply to high-pressure pulse electric sterilization equipment, and simple use 1 complete equipment of realizing is implemented multiple treatment process, has effectively saved cost.
The specific embodiment described herein only is suggested as embodiment, only the utility model is limited in claims scope required for protection together with the simple replacement of its whole equivalent structure parts according to claims.
Claims (5)
1. the adjustable high-pressure pulse electric sterilization of electrode spacing is total to a process chamber, it is by metal hollow tubular grounding electrode (1), insulator isolated tube (2), metal hollow tubulose high-field electrode (3), charging aperture (4), and discharging opening (5) forms, insulator isolated tube (2) is positioned at and forms the process chamber cavity between metal hollow tubular grounding electrode (1) and the metal hollow tubulose high-field electrode (3), metal hollow tubular grounding electrode (1) links to each other with charging aperture (4), metal hollow tubulose high-field electrode (3) link to each other with discharging opening (5), it is characterized in that: metal hollow tubular grounding electrode (1) adopts with insulator isolated tube (2) and is flexibly connected, and the metal hollow tubular grounding electrode (1) in the process chamber is circular-arc with the inner port of metal hollow tubulose high-field electrode (3).
2. high-pressure pulse electric sterilization according to claim 1 is total to a process chamber, it is characterized in that described flexible connection is that threaded engagement connects.
3. high-pressure pulse electric sterilization according to claim 1 is total to a process chamber, it is characterized in that there is scale described metal hollow tubular grounding electrode (1) outside, is used for the indoor electrode spacing of Graphics Processing.
4. arbitrary described high-pressure pulse electric sterilization is total to a process chamber according to claim 1-3, it is characterized in that described electrode spacing is 1.5mm～10mm.
5. arbitrary described high-pressure pulse electric sterilization is total to a process chamber according to claim 1-3, it is characterized in that the described circular-arc inner port rounding that is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220104396 CN202697650U (en) | 2012-03-19 | 2012-03-19 | High-voltage pulse electric field sterilization common field processing chamber provided with adjustable electrode spacing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220104396 CN202697650U (en) | 2012-03-19 | 2012-03-19 | High-voltage pulse electric field sterilization common field processing chamber provided with adjustable electrode spacing |
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| Publication Number | Publication Date |
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| CN202697650U true CN202697650U (en) | 2013-01-30 |
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| CN 201220104396 Expired - Fee Related CN202697650U (en) | 2012-03-19 | 2012-03-19 | High-voltage pulse electric field sterilization common field processing chamber provided with adjustable electrode spacing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105380068A (en) * | 2015-10-22 | 2016-03-09 | 珠海市横琴新区金康友科技股份有限公司 | Detoxification machine, detoxification method and electrode installation method of detoxification machine |
-
2012
- 2012-03-19 CN CN 201220104396 patent/CN202697650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105380068A (en) * | 2015-10-22 | 2016-03-09 | 珠海市横琴新区金康友科技股份有限公司 | Detoxification machine, detoxification method and electrode installation method of detoxification machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20140319 |