CN203492690U

CN203492690U - Novel cooling device used for cooled meat production

Info

Publication number: CN203492690U
Application number: CN201320601589.1U
Authority: CN
Inventors: 张家斌; 林祖松; 吕志华
Original assignee: YUNNAN DONGHENG ECONOMIC TRADE GROUP FOOD Co Ltd
Current assignee: YUNNAN DONGHENG ECONOMIC TRADE GROUP FOOD Co Ltd
Priority date: 2013-09-28
Filing date: 2013-09-28
Publication date: 2014-03-26
Anticipated expiration: 2023-09-28

Abstract

The utility model discloses a novel cooling device used for cooled meat production. The novel cooling device comprises a cooling tunnel, a track, a lifting frame, a refrigerating device and a cool air circulation pipeline, wherein the cooling tunnel is divided into a splat cooling region and a slow cooling region which are connected with each other in series; gas distribution plates are mounted on two side walls of the cooling tunnel; the refrigerating device and the cool air circulation pipeline in the splat cooling region and the slow cooling region are connected in series; and an atomization spraying mechanism is arranged on the side walls of the cooling tunnel of the slow cooling region. By using the characteristics of a pork cooling process, pork is quickly cooled in the splat cooling region and then transferred to the slow cooling region for depth balancing cooling, the cooling time can be greatly shortened and the production efficiency can be improved; and as an energy recycling technology and a spraying cooling technology are adopted, the energy consumption of the novel cooling device is greatly reduced, the production cost is saved, the weight loss of foods in a cooling process can be effectively controlled, thus the novel cooling device gas good popularization values.

Description

A kind of novel cooling device of producing for cooling meat

Technical field

The utility model relates to meat products processing equipment technical field, is specifically related to a kind of novel cooling device of producing for cooling meat.

Background technology

Cooling meat refers to the animal trunk after butchering in strict accordance with the requirement of quarantine system is carried out rapidly to cooling processing, makes trunk temperature in 24 hours, reduce to 0～4 ℃, and remain at the fresh meat within the scope of 0～4 ℃ in follow-up processing, circulation and retail process.Cooling meat, due to processing method science, has been followed physiology and the chemical change rule after slaughtering, and nutritional labeling is not damaged substantially, meat is fine and smooth, mouthfeel is excellent, makes its favor that is more and more subject to consumer, and the share of occupying in meat products market is increasing.Definition by cooling meat can be found out, refrigerating work procedure is the core link that cooling meat is produced, pork temperature after just having slaughtered is generally at 38～39 ℃, traditional cooling means be hog on hook is placed in the chilling room of 0～-1 ℃ and Sustainable Control indoor temperature within the scope of this, continue after 20～24 hours, hog on hook the thickest position central temperature can reach 0～4 ℃, complete cooling procedure, 1., cooling velocity is slow the problem that the method exists is:, the cooling cycle is long, and production efficiency is low; 2., energy consumption is high, production cost is high; 3., in cooling procedure, food drying loss is large.Therefore, developing the novel cooling device of producing for cooling meat that a kind of cooling velocity is fast, production efficiency is high, energy consumption is low, food drying loss is low is desirability.

Utility model content

The purpose of this utility model is to provide the novel cooling device of producing for cooling meat that a kind of cooling velocity is fast, production efficiency is high, energy consumption is low, food drying loss is low.

The purpose of this utility model is to realize like this, the utility model comprises cooling tunnel, track, suspension bracket, refrigerating plant and circulating cold air pipeline, the hog on hook of butchering can be suspended on suspension bracket and slide along the track that is arranged on cooling tunnel top, cooling tunnel is divided into the gentle cold-zone, quench zone of mutual series connection, on the both sides sidewall of cooling tunnel, gas distribution grid is installed, the cooling tunnel sidewall of the gentle cold-zone in gas distribution grid and quench zone forms respectively the gentle cold air cavity of chilling air cavity, the circulating cold air pipeline of the gentle cold air cavity of refrigerating plant and chilling air cavity is for being connected in series, on the slow cooling chamber inlet tube of slow cooling air cavity, be also provided with temperature-sensing valve, temperature-sensing valve is connected with natural air inlet tube with refrigerating plant simultaneously, on the cooling tunnel sidewall in described slow cooling district, atomizer is also installed, atomizer is connected with the spray piping in cooling tunnel outside.

The utility model utilizes the characteristic of pork process for cooling cooling zone to be divided into the gentle cold-zone, quench zone of mutual series connection, and device is adopted to heat recovery technology, make pork in quench zone, cool the temperature to fast 20 ℃ of left and right, going to slow cooling district, to carry out depth balance cooling again, can save 6～8 hours cool times, and the waste gas that slow cooling district only need utilize quench zone to discharge freezes, greatly reduce plant energy consumption, saved production cost, simultaneously, by the integrated atomizing sprinkling system that arranges in slow cooling district, can effectively control the food drying loss in cooling procedure, and can significantly improve cooling velocity, the utlity model has cooling velocity fast, production efficiency is high, energy consumption is low, the feature that food drying loss is low, there is good promotional value.

Accompanying drawing explanation

Fig. 1 is the utility model overall structure schematic diagram;

Fig. 2 is the cross-sectional view in the utility model slow cooling district 8.

In figure: 1-quench zone, 2-cooling tunnel, 3-chilling air cavity, 4-gas distribution grid, 5-track, 6-suspension bracket, 7-hog on hook, 8-slow cooling district, 9-slow cooling air cavity, 10-spray piping, 11-atomizer, 12-chilling chamber inlet tube, 13-refrigerating plant, 14-chilling chamber outlet, 15-cold air supply pipe, 16-temperature-sensing valve, 17-slow cooling chamber inlet tube, 18-natural air inlet tube, 19-slow cooling chamber outlet, 20-filter plate, 21-blow-off pipe.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described, but never in any form the utility model is limited, any change or the improvement based on the utility model training centre, done, all belong to protection domain of the present utility model.

As shown in Fig. 1～2, the utility model comprises cooling tunnel 2, track 5, suspension bracket 6, refrigerating plant 13 and circulating cold air pipeline, the hog on hook 7 of butchering can be suspended on suspension bracket 6 and slide along the track 5 that is arranged on cooling tunnel 2 tops, cooling tunnel 2 is divided into the gentle cold-zone 8, quench zone 1 of mutual series connection, on the both sides sidewall of cooling tunnel 2, gas distribution grid 4 is installed, gas distribution grid 4 forms respectively the gentle cold air cavity 9 of chilling air cavity 3 with cooling tunnel 2 sidewalls of 1 gentle cold-zone 8, quench zone, the circulating cold air pipeline of refrigerating plant 13 and chilling air cavity 3 gentle cold air cavity 9 is for being connected in series, on the slow cooling chamber inlet tube 17 of slow cooling air cavity 9, be also provided with temperature-sensing valve 16, temperature-sensing valve 16 is connected with natural air inlet tube 18 with refrigerating plant 13 simultaneously, on cooling tunnel 2 sidewalls in described slow cooling district 8, atomizer 11 is also installed, atomizer 11 is connected with the spray piping 10 in cooling tunnel 2 outsides.

Cooling tunnel 2 is divided into behind the gentle cold-zone 8, quench zone 1 of mutual series connection, to carry out when cooling hog on hook 7, first the hot meat of 38 ℃ of left and right is put into quench zone 1, the temperature setting of quench zone 1 is set to-10～-25 ℃, air velocity is set to 1.5～3 meter per seconds, cooling fast through 1～4 hour, the temperature on hog on hook 7 surfaces can quickly fall to 0～-2 ℃, and form very soon one deck dry film, and the thickest centre of the human body is also in 20 ℃ of left and right, although this stage air themperature is significantly less than the freezing point of meat, but because the time is short, it was in the cold stage, so can not freeze phenomenon, after chilling completes, the hog on hook 7 that the thickest centre of the human body is also in to 20 ℃ of left and right is put into slow cooling district 8, and the temperature setting in slow cooling district 8 is set to 0～-2 ℃, and air velocity is set to 1～1.5 meter per second, cooling through 10～15 hours, the internal and external temperature of meat tends to unanimously gradually, the thicklyest reaches in a basic balance, realizes meat centres's temperature and be 0～4 ℃ completing the process of cooling, adopt segmentation cooling method, can save cool time, accelerate cooling velocity, enhance productivity.

In addition, the heat recovery technology that the utility model has adopted refrigerating plant 13 mutually to connect with gentle cold-zone 8, quench zone 1, the cryogenic gas that refrigerating plant 13 generates first enters chilling air cavity 3 by chilling chamber inlet tube 12, by gas distribution grid 4, be sprayed onto on hog on hook 7 and carry out after heat exchange again, temperature refrigerating gas in a slight decrease flows out and all by slow cooling chamber inlet tube 17, joins slow cooling air cavity 9 from chilling chamber outlet 14, and refrigerating gas again with after hog on hook 7 heat exchange returns to refrigerating plant 13 through slow cooling chamber outlet 19 again and freezes in slow cooling district 8.Wherein, because the refrigerating gas that flows into slow cooling district 8 after 1 heat exchange of quench zone is temperature drift or on the low side likely, so be provided with temperature-sensing valve 16 on slow cooling chamber inlet tube 17, temperature-sensing valve 16 is connected with natural air inlet tube 18 with refrigerating plant 13 simultaneously, when the temperature of the slow cooling chamber inlet tube 17 of flowing through is greater than 0～-2 ℃, temperature-sensing valve 16 is opened the cold air supply pipe 15 that is connected with refrigerating plant 13 automatically to reduce temperature, when the temperature of the slow cooling chamber inlet tube 17 of flowing through is less than 0～-2 ℃, temperature-sensing valve 16 is opened natural air inlet tube 18 automatically with rising temperature.Native system forms heat recovery loop, greatly reduces plant energy consumption, has saved production cost.

On cooling tunnel 2 sidewalls in slow cooling district 8, the spray equipments such as spray piping 10 and atomizer 11 are installed, to spray low temperature water smoke for the hog on hook 7 to slow cooling district 8, by spraying low temperature water smoke, can increase the humidity of cooling zone, reduce the food drying loss in cooling procedure, and can significantly improve the cooling velocity of hog on hook 7.

Further, described atomizer 11 is evenly arranged in the epimere of cooling tunnel 2 sidewalls, and atomizer 11 interlaced arrangement of cooling tunnel 2 both sides can make to spray in cooling space more even; The mutual spacing of atomizer 11 is 300～600mm, arranges 1～4 row in short transverse; The approach switch that can automatically control atomizer 11 work is installed in cooling tunnel 2, when approach switch has detected hog on hook 7 through out-of-date, automatically controls the atomizer 11 unlatching work of correspondence position.

Described cooling tunnel 2 bottoms are provided with blow-off pipe 21, and blow-off pipe 21 upsides are provided with filter plate 20, to discharge in time the sewage producing in cooling procedure.

On described gas distribution grid 4, interlock and be processed with the gas hole that diameter is 2～10mm, on gas distribution grid 4, the parameters such as size and number of gas hole can design according to the requirement of gas flow rate in concrete process for cooling.Preferably, the gas hole diameter on gas distribution grid 4 increases from top to bottom gradually.

Claims

1. a novel cooling device of producing for cooling meat, comprise cooling tunnel (2), track (5), suspension bracket (6), refrigerating plant (13) and circulating cold air pipeline, the hog on hook of butchering (7) can be suspended on the upper track (5) along being arranged on cooling tunnel (2) top of suspension bracket (6) and slide, it is characterized in that: cooling tunnel (2) is divided into the gentle cold-zone (8), quench zone (1) of mutual series connection, gas distribution grid (4) is installed on the both sides sidewall of cooling tunnel (2), gas distribution grid (4) forms respectively the gentle cold air cavity (9) of chilling air cavity (3) with cooling tunnel (2) sidewall of gentle cold-zone (8), quench zone (1), the circulating cold air pipeline of the gentle cold air cavity (9) of refrigerating plant (13) and chilling air cavity (3) is for being connected in series, on the slow cooling chamber inlet tube (17) of slow cooling air cavity (9), be also provided with temperature-sensing valve (16), temperature-sensing valve (16) is connected with natural air inlet tube (18) with refrigerating plant (13) simultaneously, on cooling tunnel (2) sidewall in described slow cooling district (8), atomizer (11) is also installed, atomizer (11) is connected with the spray piping (10) in cooling tunnel (2) outside.

2. a kind of novel cooling device of producing for cooling meat according to claim 1, it is characterized in that: described atomizer (11) is evenly arranged in the epimere of cooling tunnel (2) sidewall atomizer (11) interlaced arrangement of cooling tunnel (2) both sides.

3. a kind of novel cooling device of producing for cooling meat according to claim 1, is characterized in that: the mutual spacing of described atomizer (11) is 300～600mm, arranges 1～4 row in short transverse.

4. a kind of novel cooling device of producing for cooling meat according to claim 1, is characterized in that: the approach switch that can automatically control atomizer (11) work is installed in cooling tunnel (2).

5. a kind of novel cooling device of producing for cooling meat according to claim 1, is characterized in that: described cooling tunnel (2) bottom is provided with blow-off pipe (21), and blow-off pipe (21) upside is provided with filter plate (20).

6. a kind of novel cooling device of producing for cooling meat according to claim 1, is characterized in that: the upper staggered gas hole that diameter is 2～10mm that is processed with of described gas distribution grid (4).

7. a kind of novel cooling device of producing for cooling meat according to claim 6, is characterized in that: the gas hole diameter on described gas distribution grid (4) increases from top to bottom gradually.