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Tunnel

Tunnel Blast Freezing Machine

Tunnel Blast Freezing Machine can reduce food temperature quickly through low temperature air flow, and can effectively maintain the original flavor and nutrition of food.
Uniform freezing, high efficiency and energy saving.

Product Introduction

Introduction

 

  • Tunnel Blast Freezing Machine is an efficient and versatile food quick-freezing equipment, which is unique in the use of stainless steel wire mesh belt or plastic steel mesh belt as a conveying system. This design allows the food to maintain a stable and uniform delivery during the freezing process, ensuring the consistency of the freezing effect.
  • For different food varieties, the tunnel blast freezing machine provides a flexible freezing method. Some products that require special protection or shape can be placed in a special tray and then placed on a mesh belt for freezing. For some foods that can be directly touched, they can be placed directly on the mesh belt and quickly frozen by wind blowing from the top down or crosswind. This flexible freezing allows the tunnel blast freezing machine to process the widest range of food types.
  • The tunnel freezer is especially suitable for a variety of prepared foods, such as steamed buns, dumplings, fish balls, etc., as well as aquatic products. Especially for those varieties that are not suitable for fluidized freezing, the tunnel IQF freezer provides a stable and uniform freezing environment, ensuring the quality and taste of the food.
  • In terms of freezing time, It offers a wide range of options ranging from 12 minutes to 100 minutes. This flexibility allows users to adjust the freezing time according to different food types and freezing needs to achieve the best freezing results.

 

Technology parameters

 

Model / Parameters

GSD-100

GSD-200

GSD-300

GSD-500

GSD-1000

Capacity(kg/h)

100

200

300

500

1000

Overall dimensions(m)

8.5*2.3*2.48

9.5*2.8*2.48

12.0*2.8*2.48

14.7*3.3*2.48

20.7*3.8*2.48

Length of freezing room(m)

6.0

7.0

9.5

12.2

18.2

Feeding temperature(℃)

+15

Discharging temperature(℃)

-18

Freezing temperature(℃)

≤-33

Freezing time(min)

6-60(variable frequency regulation)

Refrigerant

R22/R404A/R717

Cooling Consumption(kw)

22

35

55

95

165

Installation Power(kw)

6.8

7.1

10.5

19.8

31.0

 

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product-389-389
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Characteristics

 

  • Efficient quick-freezing: The tunnel blast freezing machine uses an efficient refrigeration system and optimized airflow design, which can quickly reduce the temperature of food and achieve rapid freezing. This can not only reduce the growth of bacteria, but also effectively maintain the nutritional content and taste of food.
  • Continuous production: The tunnel IQF freezer adopts continuous conveyor belt design, which can achieve continuous and uninterrupted freezing treatment of food. This greatly improves production efficiency and meets the needs of large-scale production.
  • Energy saving and environmental protection: The tunnel IQF freezer adopts advanced energy-saving technology, such as frequency conversion control, heat recovery, etc., which can reduce energy consumption and operating costs. At the same time, the optimized refrigeration system and air flow design also reduce the consumption and emissions of refrigerants, in line with environmental requirements.
  • Precise control of speed and time: It's possible to adjust the conveyor belt speed and the time the goods spend in the tunnel.
  • Reduction of ice crystal formation: Rapid freezing in a tunnel freezer minimises the formation of large ice crystals in goods, which could negatively affect their texture and quality.
  • High space utilization: Tunnel designs usually have a small footprint and are suitable for mass production.

 

Component description

 

Belt conveyor system

 

☆Integral mesh belt design, mesh belt drives motor; two-stage cycloid pin gear motor, speed control of mesh belt with frequency conversion and stepless speed regulation.

☆The mesh belt adopts wear resistant roller and bracket to reduce the wear and running resistance of the mesh belt, extending the service life of the mesh belt.

☆Add abrasion - resistant rubber strip on both sides of the mesh belt, prevent leakage in the warehouse.

Belt conveyor system-Tunnel Freezer

 

Air supply system and high efficiency aluminum alloy evaporator

Air supply system and high efficiency aluminum alloy evaporator

 

☆Adopt efficient axial-flow fan specially designed for tunnel cooling, with high wind pressure, large air volume, light air blade weight, small start-up current.

☆Large aluminum alloy aluminum tube fin, the advanced technology of mechanical hydraulic pipe makes the aluminium tightly wrapped in aluminium tube, with efficient refrigeration, not easy to frost, extend frosting time, frost quickly and thoroughly, convenient to clean, minimize health dead Angle of bacterial growth.

☆The pipe bend of evaporator is welded with more in and out way, and the allowed length of each coil is reduced to improve the cooling efficiency

☆In view of the characteristics of high humidity, high temperature and rapid frost gathering at the feed end, the structure of the evaporator is different, and the sheet spacing of each evaporator is designed with variable sheet spacing to ensure continuous and efficient freezing of the quick-freezing function and extend the frost interval

☆Adopting the closed air guide cover and the equalizing wind mechanism, the air volume and the air outlet uniformity are improved, the heat exchange efficiency is increased, and the frozen product is frozen faster and more uniformly.

 

 

Composite insulated library

 

☆The library board is manufactured by the import production line. The stainless steel plates inside and outside the library body have a veneer with surface compression reinforcement and are applied with film.

☆Thickness of polyurethane base plate: wall plate: top plate 150mm; bottom plate 200mm; foaming density: not less than 40kgf/cm2; with integral bottom plate waterproof treatment and support.

☆The floor of the library is inclined to the left and right sides, and there are 4 small drain channels on both sides of the library body.

☆There is buried electric heating and antifreezing device inside the door of the thermal insulation storehouse.

☆The bottom plate of the warehouse is tiled with decorative aluminum or stainless steel, and the edges are folded up around, and dealt with waterproof sealing.

Composite insulated library
 

 

Freezer frame

 

☆The frame is made of stainless steel, with square tubes; The stainless steel plates inside and outside the library are stainless steel plates.

☆The transmission shaft and the chain wheel contact with the mesh belt are made of food-grade stainless steel and the nylon roller is made of ABS.

Freezer frame-Tunnel Freezer

 

 
Electric cabinet-Tunnel Freezer

Electric cabinet

 

☆Vertical cabinet structure, the shell is made of stainless steel.

☆Electrical components: the electrical components are Schneider or Delta. PLC and touch screen are Siemens.

☆Temperature display: multi-point display (inlet, outlet and center of library each has 1 set)

☆The storeroom is equipped with a water-proof safety lamp lighting system, and the lighting is 36V safe voltage.

☆The anti-freeze device system of the storage door, with 36V safe voltage.

 

Application of tunnel freezing

 

  • Prepared Food (steamed buns, dumplings, fish balls, etc)
  • Aquatic products
  • Meat products
  • Fruits and Vegetables

Prepared food

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packing and transportation

 

            Spiral freezing machine Shipping            Transportation.jpg

                     Skillful packaging and container loading.                                       Transportation by Sea, Train, Airplane.

 

After-sales Service

 

  • Installation and Technical Assistance

GUANFENG will send qualified engineers to customer's site to instruct installation. Customer will provide the necessary equipment (forklift, cranes, all tools kit for installation and commissioning, welding machine, welding wires, argon gas etc.) as well as skilled welders, skilled bench worker, electrician worker and skilled forklift driver required to help our engineers during the installation of the equipment provided by GUANFENG.

The technicians from GUANFENG will finish the commissioning and training customer's workers till the production can be carried out smoothly.

 

  • Comprehensive Warranty Coverage

Standard Warranty: All our food machinery comes with a comprehensive warranty that covers manufacturing defects for a specified period, giving you peace of mind from the first day.
Extended Warranty Options: For even greater assurance, we offer extended warranty plans tailored to your specific needs, ensuring continued protection beyond the standard coverage.

 

  • Rapid Response Time

24/7 Customer Support: Our dedicated customer service team is available around the clock to address any inquiries or concerns you may have.
Prompt Technical Assistance: In case of any technical issues, our team of experienced technicians will promptly diagnose the problem and provide remote control assistance or schedule an on-site visit as necessary.

 

  • On-Site Service & Repair

Nationwide Coverage: With a network of authorized service centers and certified technicians nationwide, we ensure timely on-site service, minimizing downtime.
Genuine Parts: We only use original equipment manufacturer (OEM) parts for repairs and replacements, ensuring your machinery performs at its optimal level.

 

About us

 

GUANFENG is specialized in manufacturing VACUUM FREEZE DRYERS (FD), AUTOMATIC CONTINUOUS MULTISTAGE BELT DYRERS (AD),IQF FREEZER, as well as fruit and vegetable processing equipment. Based on experienced research and development engineers team and professional production team in the food processing industry, in addition to provide high quality equipment, we also provide the overall food processing solution.

Our systems have been supplied to companies in Europe, Africa, Asia, America and our partners in the industry.Strong internationalization and worldwide market targeting have lead GUANFENG to be a high-profile company in food machinery industry.

GUANFENG established in 2013, through years of hard work become the leader in the food machinery industry. Owns more than 100 product patent certifications, also obtained ISO9001, CE, SGS etc certifications.

 

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FAQ

 

1.How far is your factory from the Hangzhou Airport?

A: It takes about an hour by car.

 

2.What is the delivery time of your machine?

A: In general, the delivery time of our machine is about 120 days.

 

3.What is your payment method?

A: T/T and L/C both OK.

 

4.Can you provide the customization service?

A: Certainly. We have a professional team having rich experience in food production line design and manufacturing.

 

5.How many patents you have?

A: More than 100.

 

6.Have your products been exported?

A: Yes,we have exported many machines since 2013.

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