CN204409509U - A kind of continuous food vacuum quick freezing equipment - Google Patents
A kind of continuous food vacuum quick freezing equipment Download PDFInfo
- Publication number
- CN204409509U CN204409509U CN201520021587.4U CN201520021587U CN204409509U CN 204409509 U CN204409509 U CN 204409509U CN 201520021587 U CN201520021587 U CN 201520021587U CN 204409509 U CN204409509 U CN 204409509U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- foraminous conveyer
- quick freezing
- food
- freezing equipment
- 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
Links
Landscapes
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
The utility model relates to a kind of continuous food vacuum quick freezing equipment, belongs to food apparatus technical field.This equipment comprises vacuum warehouse, and the top, one end of vacuum warehouse has charging aperture, has discharging opening bottom its other end; Vacuum warehouse is built with winding foraminous conveyer, and the material receiving end of foraminous conveyer is positioned at the below of charging aperture, and discharge end is positioned at the top of discharging opening; The upper strata of foraminous conveyer is by atomization cavity, and atomization cavity is built with at least one group of atomizer, and the emission direction of atomizer is towards foraminous conveyer and arrange along throughput direction.The utility model utilizes moisture fast vaporizing phase transformation and the natural physical attribute of a large amount of heat absorption under vacuum conditions, achieve the food quick freezing of low cost, effectively inhibit and cohere, be easy to ensure homogeneous temperature, eliminate refrigeration unit, significantly reduce equipment cost and operation consumption, be applicable to continuous seepage.
Description
Technical field
The utility model relates to a kind of food freezing equipment, and especially a kind of continuous food vacuum quick freezing equipment, belongs to food apparatus technical field.
Background technology
Quick-frozen food be processed by cryogenic freezing rapidly and the food of preservation and transport under lower than-18 DEG C of environment, moisture in its food texture, juice can not run off, and microorganism can not breed substantially at low temperatures, therefore effectively ensure that food security.
In general, the ice crystal produced in refrigerating process is the principal element affecting frozen food quality, and quick-frozen food require food when freezing with the maximum ice crystalline region (most of food be-1 ~-5 DEG C) of the fastest speed by food, freeze finishing temperature below-18 DEG C.Food quick freezing equipment is the crucial production equipment of quick-frozen food, and its production performance quality determines quick-frozen food industrialized level and product quality.
Existing fast food freezing equipment has quick freezing repository and quick-frozen fluid bed two type usually.The former (as Chinese patent CN201320526099) mainly comprises incubator, quick-frozen shelf, air-cooler, refrigeration system etc., relies on air-cooler and refrigerating plant blowing cold air, by the food snap frozen on shelf.The type equipment can not continuous prodution, and production efficiency is low, and food easily occurs when freezing to cohere mutually agglomerating one-tenth block, and freezer rate of temperature fall everywhere differs greatly, and quick frozen product is second-rate.The latter (as Chinese patent CN201310702713) mainly comprises revolution foraminous conveyer, organizes air-cooler, refrigeration system etc. more, relies on air-cooler and refrigerating plant blowing cold air, and cold wind makes the food on it cool fast through foraminous conveyer from bottom to up.Though the type equipment can realize continuous prodution, because needs configure multiple stage blower fan on foraminous conveyer length direction, and cold wind through after foraminous conveyer with regard to outside eliminating machine, cold utilizing ef-ficiency is low, and energy consumption is high.
In addition, existing quick freezing process equipment all adopts traditional principle refrigeration and the method for convection current and heat transfer cooling, namely relies on cold wind as cooling medium, needs configuration air-cooler and refrigeration system, equipment cost is high, power configuration is large, energy consumption is high, and is difficult to ensure food freezing rate request and uniformity.
Summary of the invention
The purpose of this utility model is: the shortcoming existed for above-mentioned prior art, propose one effectively to reduce energy consumption and equipment operating cost, avoid food to cohere, be easy to ensure homogeneous temperature, be applicable to quantity-produced continuous food vacuum quick freezing equipment, provide its corresponding method simultaneously.
By showing moisture three-phase equilibrium figure (see Fig. 1) and physical attribute research, moisture is under low temperature, low pressure, can rapid vaporization (comprise evaporation and boiling process), a large amount of heats can be absorbed from surrounding environment in the phase transition process being become vapour by water simultaneously, therefore this is a feasible rapidly and efficiently cool-down method, and environment temperature can be made to decline rapidly.
In order to reach above object, applicant is according to above principle, give continuous food vacuum quick freezing equipment of the present utility model: comprise the airtight vacuum warehouse be communicated with vacuum generating equipment, the top, one end of described vacuum warehouse has the charging aperture of configuration feeding air-locked valve, has the discharging opening of configuration discharging wind stopping device bottom its other end; Described vacuum warehouse is built with the winding foraminous conveyer of level, and the material receiving end of described foraminous conveyer is positioned at the below of charging aperture, and discharge end is positioned at the top of described discharging opening; The upper strata of described foraminous conveyer is by being positioned at the atomization cavity of vacuum warehouse, described atomization cavity is built with at least one group of atomizer be intervally arranged by the external high-pressure water conveyance system of pipeline, and the emission direction of described atomizer is towards foraminous conveyer and arrange along throughput direction.
The utility model corresponding continuous food material vacuum quick freezing method comprises the following steps:
The first step, cooling pre-freeze---the airtight vacuum warehouse that frozen food material is communicated with from charging aperture input with vacuum generating equipment will be treated, and fall the winding foraminous conveyer material receiving end of level, the moisture making food material outer surface residual and endosexine portion of water rapid vaporization pre-freeze of lowering the temperature under vacuum;
Second step, atomization freeze---the food material after vacuum pre-freeze is input to the atomization cavity in vacuum warehouse, atomizer by means of the external high-pressure water conveyance system of pipeline sprays water droplets towards food material, water droplets is vaporized heat absorption in atomization cavity, and the atomization food material of prefreezing being carried out to deep layer is freezed and supplements the dehydration in first step process;
3rd step, separation export---and being separated by foraminous conveyer output through being atomized the food material freezed, being exported by discharging opening under gravity.
It is that described vacuum generating equipment is made up of at least two water ring pumps of parallel connection and at least two lobe pumps of series connection that the utility model further improves.Like this, water ring pump in parallel, as the fore pump of series connection lobe pump, not only can make the vacuum pump set amount of taking out high, and can extract water vapour in vacuum warehouse and other gases in time out, required vacuum of vaporizing under keeping moisture low temperature.
The utility model further improve is, described atomization cavity built with the two groups of atomizers that are intervally arranged laid respectively at above and below described foraminous conveyer, especially two groups of atomizers Heterogeneous Permutation in opposite directions.Simultaneously evenly can spray water droplets from upper and lower both sides to food material, heat absorption of fully vaporizing like this, atomization be freezed and to supplement dehydration effect better.
It is that the material scraping plate extending to discharging opening is equipped with in described foraminous conveyer discharge end bottom side that the utility model further improves.The food material freezed guiding discharging opening be can be scraped like this, itself and foraminous conveyer adhesion avoided.
It is that the water source of described high-pressure water conveyance system is abacterial water tank that the utility model further improves again.The water purification through sterilization treatment is stored in this abacterial water tank.
The utility model has abandoned traditional principle refrigeration and method, look for another way, not only owing to utilizing moisture fast vaporizing phase transformation and the natural physical attribute of a large amount of heat absorption under vacuum conditions, achieve the food freezing of low cost, and rationally the cooling pre-freeze entering vacuum warehouse is freezed to be connected with the atomization entering atomization cavity, table cold-peace deep cooling is organically combined.Especially, after adopting the utility model, cooling pre-freeze step had both made food material outer surface residual moisture and endosexine portion of water rapid vaporization in order to cooling, simultaneously also owing to being effectively stripped of the moisture of food surface, eliminate the necessary condition that food material in freezing process coheres mutually, therefore effectively inhibit and cohere; In addition, spraying under vacuum conditions, atomizing effect is unusual, and therefore vaporization heat absorption is splendid, significantly accelerates freezing speed, and is easy to ensure homogeneous temperature, supplements dehydration simultaneously, kills two birds with one stone.From Equipments Setting angle, eliminate the refrigeration unit of traditional freezing equipment, significantly reduce equipment cost and operation consumption, very applicable continuous seepage.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the three-phase equilibrium figure of water.
Fig. 2 is the structural representation of the utility model preferred embodiment.
Detailed description of the invention
Embodiment one
The continuous food vacuum quick freezing equipment of the present embodiment as shown in Figure 2, comprises the airtight vacuum warehouse 13 be communicated with vacuum generating equipment.The forward and backward door 1,8 that this vacuum warehouse 13 is sealed by cylindrical body and the two ends at middle part is formed.Vacuum generating equipment is made up of two water ring pumps 16,17 of parallel connection and two lobe pumps 14,15 of series connection, fore pump using water ring pump in parallel as series connection lobe pump, make the vacuum pump set amount of taking out high, the water vapour etc. in vacuum warehouse can be extracted in time out, required vacuum of vaporizing under guaranteeing moisture low temperature.
The top, one end of vacuum warehouse 13 has configuration feeding air-locked valve 2(also known as Star-like unloader) bucket-shaped charging aperture, there is bottom its other end the discharging opening of configuration discharging wind stopping device 10.Vacuum warehouse 13 is built with the stainless steel winding foraminous conveyer 12 of level, and the material receiving end of this foraminous conveyer 12 is positioned at the below of charging aperture, and discharge end is positioned at the top of discharging opening.The upper strata of foraminous conveyer 12 is by being positioned at the atomization cavity 3 at vacuum warehouse 13 middle part, this atomization cavity 3 is built with two groups that lay respectively at above and below foraminous conveyer 12 atomizers 4 that are intervally arranged, the emission direction of atomizer 4 is towards foraminous conveyer and arrange along throughput direction, two groups of upper and lower atomizers misplace in opposite directions, evenly can spray water droplets from upper and lower both sides to the food material foraminous conveyer 12, heat absorption of fully vaporizing during work simultaneously.Atomizer 4 is connected to the abacterial water tank 7 as high-pressure water conveyance system water source by the high-pressure pump 5 in pipeline and pipeline and flow control valve 6, stores the water purification through sterilization treatment in this abacterial water tank 7.
The material scraping plate 11 extending to discharging opening is equipped with in foraminous conveyer 12 discharge end bottom side, the food material freezed fully can be scraped guiding discharging opening like this, avoids itself and foraminous conveyer adhesion.
The present embodiment abandons the traditional principle refrigeration and method that adopt in fast food freezing industry, looks for another way, and its specific works process is:
The food material processing process such as boiling through front end cleaning, blanching, heat is sent continuously by charging wind sheltering device on the foraminous conveyer falling and do clockwise gyration, and material is fed forward.Food material is once after entering vacuum warehouse, under being in vacuum environment immediately, vacuum condition meeting fast vaporizing is run into because front end processing processes the moisture contained on external moisture and material self top layer of food material remained on surface, thus take away a large amount of heats from food material, its top layer is tentatively freezed.Food material is from charging wind sheltering device falls, before delivering into atomization cavity, it is the process of the food material spontaneous dehydration cooling pre-freeze under a vacuum condition in this section of stroke, food material surface and the vaporization of superficial water branch remove, top layer reaches the state tentatively freezed, therefore material monomer with can not cohere between monomer agglomerating become block phenomenon.But this process is again a dehydration process, if do not taked Compensation measures, commodity and the economy of quick frozen product itself can be affected.Meanwhile, food material, after foraminous conveyer leading portion top layer is tentatively freezed, cannot rely on self moisture to vaporize and material internal layer is lowered the temperature further, be difficult to reach the final temperature requirement that material freezes.
Therefore the present embodiment is provided with atomization cavity in foraminous conveyer posterior segment, under the effect of high-pressure pump and flow control valve, the upper and lower two groups of atomizers arranged that are staggered in opposite directions in atomization cavity carry out the even spraying process of upper and lower surface to the food material of process, flow control valve is used for controlling the uninterrupted of atomizer.A large amount of water droplets of ejection rapid vaporization heat absorption can take away heat in atomization chamber, this is that processing procedure is freezed in additional moisture atomization under vacuum condition, because atomization and vaporization heat absorption is splendid, therefore not only can carry out deep layer to the food material through prefreezing to freeze, and chilling rate quickly and solidification point is even.Meanwhile, the atomization of atomization cavity freezes to process the moisture that compensate for food material and lose during leading portion pre-freeze, avoids the Quality Down that food vacuum quick freezing causes because of dehydration.
The food material freezing to process through atomization is transported to foraminous conveyer discharge end, and under gravity after landing, outside discharging wind sheltering device discharge machine, material scraping plate guarantees its being separated with foraminous conveyer, ensure that the smoothness of foraminous conveyer operation.
Facts have proved, the continuous food vacuum quick freezing realized by the present embodiment equipment freezes process two processes mainly through food material spontaneous dehydration cooling pre-freeze and the atomization of additional moisture, without the need to the cold air in traditional principle refrigeration and method as medium, chilling rate quickly, cold utilizing ef-ficiency is high, material freezes evenly, and without cohering agglomerating one-tenth block phenomenon; Carry out with vacuum pump set the refrigeration system that alternative cost is comparatively large, energy consumption is higher, equipment cost and to freeze operation consumption relatively low from Equipments Setting, and this freezing equipment operation process serialization, efficiency is high, is convenient to realize suitability for industrialized production.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (6)
1. a continuous food vacuum quick freezing equipment, it is characterized in that: comprise the airtight vacuum warehouse be communicated with vacuum generating equipment, the top, one end of described vacuum warehouse has the charging aperture of configuration feeding air-locked valve, has the discharging opening of configuration discharging wind stopping device bottom its other end; Described vacuum warehouse is built with the winding foraminous conveyer of level, and the material receiving end of described foraminous conveyer is positioned at the below of charging aperture, and discharge end is positioned at the top of described discharging opening; The upper strata of described foraminous conveyer is by being positioned at the atomization cavity of vacuum warehouse, described atomization cavity is built with at least one group of atomizer be intervally arranged by the external high-pressure water conveyance system of pipeline, and the emission direction of described atomizer is towards foraminous conveyer and arrange along throughput direction.
2. continuous food vacuum quick freezing equipment according to claim 1, is characterized in that: described vacuum generating equipment is made up of at least two water ring pumps of parallel connection and at least two lobe pumps of series connection.
3. continuous food vacuum quick freezing equipment according to claim 2, is characterized in that: described atomization cavity is built with the two groups of atomizers that are intervally arranged laid respectively at above and below described foraminous conveyer.
4. continuous food vacuum quick freezing equipment according to claim 3, is characterized in that: two groups of atomizers Heterogeneous Permutation in opposite directions.
5. continuous food vacuum quick freezing equipment according to claim 4, is characterized in that: the material scraping plate extending to discharging opening is equipped with in described foraminous conveyer discharge end bottom side.
6. continuous food vacuum quick freezing equipment according to claim 5, is characterized in that: the water source of described high-pressure water conveyance system is abacterial water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520021587.4U CN204409509U (en) | 2015-01-13 | 2015-01-13 | A kind of continuous food vacuum quick freezing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520021587.4U CN204409509U (en) | 2015-01-13 | 2015-01-13 | A kind of continuous food vacuum quick freezing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204409509U true CN204409509U (en) | 2015-06-24 |
Family
ID=53459943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520021587.4U Expired - Fee Related CN204409509U (en) | 2015-01-13 | 2015-01-13 | A kind of continuous food vacuum quick freezing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204409509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104585840A (en) * | 2015-01-13 | 2015-05-06 | 南京晓庄学院 | Continuous vacuum quick freezing device and continuous vacuum quick freezing method for foods |
-
2015
- 2015-01-13 CN CN201520021587.4U patent/CN204409509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104585840A (en) * | 2015-01-13 | 2015-05-06 | 南京晓庄学院 | Continuous vacuum quick freezing device and continuous vacuum quick freezing method for foods |
| CN104585840B (en) * | 2015-01-13 | 2017-11-03 | 南京晓庄学院 | A kind of continuous food vacuum quick freezing equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103562662B (en) | Controlled nucleation during freezing step of freeze drying cycle using pressure differential ice fog distribution | |
| CN104585840A (en) | Continuous vacuum quick freezing device and continuous vacuum quick freezing method for foods | |
| CN105318666A (en) | Vacuum spray freeze-drying device and method | |
| CN109780821A (en) | A kind of cryogenic quick-freezing infra-red drying technology | |
| CN110523096A (en) | The scale drying device and method of probiotics feed liquid sublimation drying can be shortened | |
| CN204678810U (en) | The temperature controlled vacuum freeze drier of a kind of band | |
| CN207197024U (en) | A kind of liquid nitrogen control system of liquid nitrogen frozen equipment | |
| CN204409509U (en) | A kind of continuous food vacuum quick freezing equipment | |
| CN207035701U (en) | A kind of vacuum freeze drier | |
| CN205228008U (en) | Vacuum spraying freeze drying equipment | |
| CN104949473A (en) | Vacuum freeze drying method and vacuum freeze dryer | |
| CN204421495U (en) | A kind of integral type radiation vacuum freeze-drier | |
| CN210569543U (en) | Freeze dryer | |
| CN204739850U (en) | Continuous type vacuum spraying freeze drying equipment | |
| CN204519098U (en) | A kind of fluidization band tunnel freezer for vegetable drying | |
| US3304617A (en) | Method and apparatus for freeze-drying foods | |
| CN103344090A (en) | Liquefied air refrigeration and fire extinguishing system | |
| CN201555406U (en) | Vacuum ice making system utilizing media to improve system performance | |
| CN108592526A (en) | A kind of leaf vegetables vacuum dehydration pre-cooler and forecooling method | |
| CN206300390U (en) | A kind of Novel ice-making machine | |
| US3222796A (en) | Method of freeze-drying foods by direct gas injection | |
| CN104351171A (en) | Plant leaf flour-milling freezing-drying process | |
| CN206440069U (en) | A kind of food product refrigeration vacuum freezing equipment | |
| CN106907875B (en) | Centralized cooling system of freeze dryer | |
| CN101718485A (en) | Method for drying or concentrating at near freezing temperature and device thereof |
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: 20150624 Termination date: 20180113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |