CN202630558U - Ozone sterilizing pressure return device for vacuum pre-cooler - Google Patents

Ozone sterilizing pressure return device for vacuum pre-cooler Download PDF

Info

Publication number
CN202630558U
CN202630558U CN 201220193762 CN201220193762U CN202630558U CN 202630558 U CN202630558 U CN 202630558U CN 201220193762 CN201220193762 CN 201220193762 CN 201220193762 U CN201220193762 U CN 201220193762U CN 202630558 U CN202630558 U CN 202630558U
Authority
CN
China
Prior art keywords
back pressure
pressure return
vacuum pre
vacuum
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220193762
Other languages
Chinese (zh)
Inventor
彭群英
李保国
郭彦伟
尚彦龙
胡守江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN 201220193762 priority Critical patent/CN202630558U/en
Application granted granted Critical
Publication of CN202630558U publication Critical patent/CN202630558U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

The utility model relates to the field of refrigeration equipment, in particular to a pressure return device for a vacuum pre-cooler which requires pressure return after vacuum-pumping, and aims to satisfy the pressure return requirements of different products, simultaneously meet the sterilization demand, prevent secondary pollution of the products and improve the effectiveness of the vacuum pre-cooler in food storage. The pressure return device comprises a first pressure return loop, a second pressure return loop and a third pressure return loop, wherein the first pressure return loop consists of a first air inlet, a first electromagnetic valve, a filtering device, a third electromagnetic valve and an air outlet which are sequentially connected in series; the second pressure return loop consists of an ozone generator, a second electromagnetic valve, an air storage tank, the third electromagnetic valve and the air outlet which are sequentially connected in series; the third pressure return loop consists of a second air inlet, the third electromagnetic valve and the air outlet which are sequentially connected in series; and the air outlet is connected with a vacuum storage chamber. The pressure return device provided by the utility model has the advantages that the structure is simple, pressure return can be achieved according to the pressure return requirements of different vacuum pre-cooling products and the sterilizing effect is good.

Description

Vacuum pre-cooling machine ozone sterilization back pressure device
Technical field
The utility model relates to art of refrigeration units, is specifically related to a kind of vacuum pre-cooling machine needs back pressure after vacuumizing back pressure device.
Background technology
The original design of vacuum pre-cooling machine mainly is to fruits and vegetables, is design basis to remove the fruits and vegetables field heat, and to the no requirement (NR) of back pressure mode, the air back pressure is preserved did not influence to it.Yet; Along with the fast development of vacuum pre-cooling machine and expanding application during to the quick cooling of delicatessen; Like cooling of delicatessen, Chinese fast food, medicine or the like, for preventing secondary pollution, these delicatessens should not contact with air after cooling finishes; At this moment just should correspondingly improve, impel its application that is directed against different product to have further and improve the back pressure mode of vacuum cooled machine.At present, the vacuum pre-cooling machine at home and abroad all is widely used, and its unpacking back pressure mainly is by putting into air; For the liquid product of band; Consider the problem of splashing, it usually adopts the precooling of segmentation back pressure in precooling process, and pressuring method also is to carry out back pressure with air; Not only loss vacuumizes and the energy of back pressure, and air is put into and can contaminated food products; Secondly; Finish link in precooling, need back pressure just can open chamber door, and also be to carry out back pressure through putting into air this moment; Storage for portioned product is very unfavorable; Simultaneously, take out food behind the chamber door and also can receive air pollution and produce secondary pollution and reduce the time that precooler prolongs the food storage phase, impel the precooler function to reduce for opening.In addition, vacuum pre-cooling can play for the part microorganism and suppress its breeding, but it is not good to suppress effect for the cryophil microorganism of other part; Carry out sterilization so also occurred the adding ultraviolet lamp on the market; This kind sterilization mode can be used, but its time-consuming is long and bactericidal effect is effective not as ozone sterilization, and ozone can carry out sterilization to whole box body inside; And because the density of ozone is big than air; Can cover one deck ozone at food surface, the ozone layer that food surface covered after chamber door is opened can be held food and air insulated, and unlikely product receives secondary pollution.At present, a lot of about the report of vacuum pre-cooling machine functional effect, the device that the research and development of back pressure this respect are set is not specially appeared in the newspapers as yet.
The utility model content
Exist contamination of products in order to overcome in the existing vacuum pre-cooling of vacuum pre-cooling machine air back pressure mode to products such as delicatessen, Chinese fast food, medicine, band soup juice; Reduce shortcomings such as precooling effect; The utility model provides a kind of ozone sterilization back pressure device, can realize the requirement of dissimilar product back pressure, realizes the sterilization requirement simultaneously; Stop the product secondary pollution, improve the effectiveness of vacuum pre-cooling machine in food storage.
In order to reach the foregoing invention purpose, the utility model vacuum pre-cooling machine ozone sterilization back pressure device comprises:
The first back pressure loop, it is in series by first air inlet, first magnetic valve, filter, the 3rd magnetic valve and gas outlet successively;
The second back pressure loop, it is in series by ozone generator, second magnetic valve, air reservoir, the 3rd magnetic valve and gas outlet successively;
The 3rd back pressure loop, it is in series by second air inlet, the 3rd magnetic valve and gas outlet successively;
Wherein, said gas outlet links to each other with the vacuum storage chamber.
According to a described vacuum pre-cooling machine of the specific embodiment of the utility model ozone sterilization back pressure device; Be provided with gas averaging board in the said filter; Said gas averaging board is divided into two parts with said filter, and a part in said two parts is provided with filtering material.
According to a described vacuum pre-cooling machine of the specific embodiment of the utility model ozone sterilization back pressure device, said filtering material is an active carbon.
According to a described vacuum pre-cooling machine of the specific embodiment of the utility model ozone sterilization back pressure device, said gas averaging board is the tabular object that which is provided with some holes.
According to a described vacuum pre-cooling machine of the specific embodiment of the utility model ozone sterilization back pressure device, one or two in said filter or the said air reservoir is provided with Pressure gauge.
Owing to adopted technique scheme; The utlity model has following beneficial effect: 1, can require to carry out back pressure to different vacuum pre-cooling product back pressure; To being subject to air-polluting food, adopt ozone sterilization back pressure loop to carry out back pressure like delicatessen, Chinese fast food, drug class, air purity there is the product of requirement; Adopt filtered air back pressure loop to carry out back pressure, adopt untreated air directly to carry out back pressure back pressure no requirement (NR) such as most fresh fruit of vegetables product; 2, the vacuum pre-cooling product is carried out ozone sterilization; Ozone can carry out sterilization to the product of whole box body inside; And because the density of ozone is big than air; Can cover one deck ozone at product surface, the ozone layer that food surface covered after chamber door is opened can be held product and air insulated, and unlikely product receives secondary pollution; 3, simultaneously, the back pressure device structure is simpler, and the layout of ozone sterilization back pressure device on precooler also can reasonably be arranged according to user's requirement.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the layout drawing of the utility model sterilization back pressure device in the vacuum pre-cooling machine.
Fig. 3 is the structural representation of filter.
Fig. 4 is the vertical section sketch map of gas averaging board aperture among Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the specific embodiment of the utility model is further described, but should limit the protection domain of the utility model with this.
Vacuum pre-cooling machine ozone sterilization back pressure device as shown in Figure 1 comprises: the first back pressure loop, and it is in series by first air inlet 19, first magnetic valve 9, filter 10, the 3rd magnetic valve 12 and gas outlet 21 successively; The second back pressure loop, it is in series by ozone generator 5, second magnetic valve 6, air reservoir 7, the 3rd magnetic valve 12 and gas outlet 21 successively; The 3rd back pressure loop, it is in series by second air inlet 20, the 3rd magnetic valve 12 and gas outlet 21 successively; Wherein, gas outlet 21 links to each other with vacuum storage chamber (as shown in Figure 2).
When ozone generator 5, air reservoir 7, second magnetic valve 6, when the 3rd magnetic valve 12 is opened, formed the second back pressure loop, i.e. ozone sterilization back pressure mode loop.After the starting of vacuum pre-cooling machine, if select ozone sterilization mode back pressure, open second magnetic valve 6, start ozone generator 5 simultaneously, air is stored in the air reservoir 7 after generating ozone through ozone generator 5.After first Pressure gauge 8 reaches the setting peak; Close second magnetic valve 6, otherwise second magnetic valve 6 opens always, when the vacuum precooler needs back pressure; Open the 3rd magnetic valve 12; It is indoor that the ozone of storing gets into vacuum storage, according to the size of want back pressure, controls the 3rd magnetic valve 12 Push And Releases automatically.
When first magnetic valve 9, air filtering device 10, when the 3rd magnetic valve 12 is opened, form another kind of back pressure loop, i.e. filtered air back pressure mode loop; After the starting of vacuum pre-cooling machine,, then close second magnetic valve 6 if select filtered air back pressure mode; Open first magnetic valve 9 earlier; The filtering material (in this embodiment filtering material be active carbon) of air through filling in the filter 10, moisture and some objectionable impurities filter out the another side of back through gas averaging board 17 accesss to plant of filter 10, when the needs back pressure; Open the 3rd magnetic valve 12, the air that filtration is good can get into the vacuum storage chamber and carry out back pressure.
After the starting of vacuum pre-cooling machine; If when selecting the undressed back pressure mode of air loop, then second magnetic valve 6 and first magnetic valve 9 are closed, when needs carry out back pressure; Open the 3rd magnetic valve 12 and get final product, control the Push And Release of the 3rd magnetic valve 12 according to the pressure sensor in the vacuum chamber automatically.
In Fig. 2, vacuum storage chamber body 1 constitutes the vacuum storage chamber with sealed container door 2.It is outdoor that refrigeration plant and vavuum pump are located at vacuum storage, is that the sterilization back pressure device is placed on the vacuum storage chamber body 1 for this instance, certainly; For special circumstances are arranged; As think situation such as the height space of putting the vacuum pre-cooling machine is not enough, and the sterilization back pressure device can be declined the top, and its position can change flexibly; Only need gas outlet 21 to link to each other with the vacuum storage chamber, first air inlet 19 and second air inlet 20 and flowability air preferably communicate and get final product.
Like Fig. 3 and shown in Figure 4; Filter 10 middle parts are provided with gas averaging board 17; Be provided with several holes 18 with actual conditions as required on the gas averaging board 17, gas averaging board 17 is divided into two parts with filter 10, fills filtering material (what fill in the present embodiment is active carbon) in one of them part; Be used for moisture and impurity in the filtered air, second half is to be used for storing filtering good air.
Introducing through the sterilization back pressure device; Can satisfy the back pressure requirement of different product; The ozone back pressure device is carried out back pressure by generating ozone; Not only can fill a vacuum and preserve the room air back pressure, can also carry out sterilization, and when taking out product, prevent secondary pollution because of density of ozone is attached to product surface greatly.
The preferred embodiments that the above is merely the utility model is not the practical range that is used for limiting the utility model.Have common knowledge the knowledgeable in the technical field under any, in spirit that does not break away from the utility model and scope, when can doing various changes and retouching, so the protection domain of the utility model should be as the criterion with claims institute confining spectrum.

Claims (5)

1. vacuum pre-cooling machine ozone sterilization back pressure device is characterized in that comprising:
The first back pressure loop, it is in series by first air inlet, first magnetic valve, filter, the 3rd magnetic valve and gas outlet successively;
The second back pressure loop, it is in series by ozone generator, second magnetic valve, air reservoir, the 3rd magnetic valve and gas outlet successively;
The 3rd back pressure loop, it is in series by second air inlet, the 3rd magnetic valve and gas outlet successively;
Wherein, said gas outlet links to each other with the vacuum storage chamber.
2. vacuum pre-cooling machine ozone sterilization back pressure device as claimed in claim 1; It is characterized in that being provided with gas averaging board in the said filter; Said gas averaging board is divided into two parts with said filter, and a part in said two parts is provided with filtering material.
3. vacuum pre-cooling machine ozone sterilization back pressure device as claimed in claim 2 is characterized in that said filtering material is an active carbon.
4. vacuum pre-cooling machine ozone sterilization back pressure device as claimed in claim 2 is characterized in that said gas averaging board is the tabular object that which is provided with some holes.
5. like the described vacuum pre-cooling machine of each claim ozone sterilization back pressure device among the claim 1-4, it is characterized in that in said filter or the said air reservoir one or two is provided with Pressure gauge.
CN 201220193762 2012-04-28 2012-04-28 Ozone sterilizing pressure return device for vacuum pre-cooler Expired - Fee Related CN202630558U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220193762 CN202630558U (en) 2012-04-28 2012-04-28 Ozone sterilizing pressure return device for vacuum pre-cooler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220193762 CN202630558U (en) 2012-04-28 2012-04-28 Ozone sterilizing pressure return device for vacuum pre-cooler

Publications (1)

Publication Number Publication Date
CN202630558U true CN202630558U (en) 2012-12-26

Family

ID=47383752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220193762 Expired - Fee Related CN202630558U (en) 2012-04-28 2012-04-28 Ozone sterilizing pressure return device for vacuum pre-cooler

Country Status (1)

Country Link
CN (1) CN202630558U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766666A (en) * 2016-11-28 2017-05-31 上海理工大学 A kind of vacuum precooling machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766666A (en) * 2016-11-28 2017-05-31 上海理工大学 A kind of vacuum precooling machine

Similar Documents

Publication Publication Date Title
CN201597885U (en) Fruit/vegetable fresh-keeping box
CN206842122U (en) A kind of vegetables and fruits transport temperature fresh-preserving box
CN102599228A (en) High-oxygen modified atmosphere fresh-kept cooked poultry meat and preparation method thereof
CN206552452U (en) Multi-layer express box for storing cherry
CN103693300B (en) Fruit/vegetable fresh-keeping box and preservation method
CN202630558U (en) Ozone sterilizing pressure return device for vacuum pre-cooler
CN208242399U (en) Green vegetables transport case
CN105571255A (en) Freshness preservation cabinet
CN206187713U (en) Refrigerated fruit transportation packing box
CN205525842U (en) Portable fruit and vegetable fresh -keeping structure
CN204598730U (en) A kind of preserving fruit and vegetable utilizing storehouse
CN207985718U (en) A kind of fresh-keeping transport device of logistics transportation
CN107054889A (en) A kind of vacuum fresh-keeping box
CN105994651A (en) Preparation technology capable of preserving active nutrients in milk powder
CN207157932U (en) Finished tea storage rack
CN203211729U (en) Modified atmosphere preservation packaging box
CN209047395U (en) A kind of high static pressure pressure bearing system for vegetables sterilizing
CN206395196U (en) A kind of passive sustainable heat preserving antistaling storage tank
CN208278676U (en) A kind of fruits freshness preserving equipment peculiar to vessel
CN205686876U (en) A kind of meat products vacuum fresh-keeping package case
CN205175007U (en) Ultra -low temperature lyophilizer
CN206766735U (en) A kind of food-preserving packing box
CN202072122U (en) Gas regulation filter on preservation transfer box
CN202880096U (en) Freshness protection package for food, fruits and vegetables
CN204150264U (en) A kind of food seasoning vacuum extractor

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: 20121226

Termination date: 20130428