CN201742905U

CN201742905U - Air supply device of food drying equipment

Info

Publication number: CN201742905U
Application number: CN201020172904XU
Authority: CN
Inventors: 何锡宏; 吴云康
Original assignee: ZHOUSHAN CITY PUTUO MINGHONG MACHINERY MANUFACTORY
Current assignee: ZHOUSHAN CITY PUTUO MINGHONG MACHINERY MANUFACTORY
Priority date: 2010-04-23
Filing date: 2010-04-23
Publication date: 2011-02-16
Anticipated expiration: 2020-04-23

Abstract

The utility model relates to an air supply device of food drying equipment, which comprises a fan, an air supply pipe, an air supply port and an air supply component. The air supply component (4) is of a hollow structure with small ventilation holes (4h), the cavity of the air supply component (4) is connected with the fan through the air supply pipe (3), the air supply component is arranged according to a position or a movement route of food in drying equipment, the small holes on the air supply component face the food, and all the small holes on the air supply component form the air supply port. Since the structure with the air supply port blowing air from one end of the drying equipment or a drying tunnel (drying oven) is changed into the structure with the air supply component guiding air to the surface of food, and the airflow area is reduced to the sum of the areas of the small holes from the sectional area of the drying tunnel, thereby improving the speed of air passing by the surface of the food, and quickening the evaporation of water on the surface of the food. Simultaneously, since the air is blown in small flows instead of large-scale blowing through space with the food, the utility model greatly improves the utilization rate of hot air. Therefore, compared with the prior art, the utility model can significantly improve the food drying rate and lower the energy consumption.

Description

The air supply device of food drying equipment

Technical field the utility model relates to a kind of air supply device of food drying equipment, belongs to the aquatic product technical field.

The speed of the dry aquatic food of background technology is except that the environment air humidity, also the wind speed with the aquatic food surface of flowing through also has very big relation, and in general, the aquatic food surface wind speed is more little, then the water evaporation quantity of aquatic food is also more little, and promptly the speed that is dried of aquatic food is also slow more; Otherwise, then fast more.Existing food drying equipment especially in the drying equipment of aquatic products, is also followed this principle mostly and is manufactured and designed.Generally all be to set up a long drying tunnel, have at drying tunnel (baking oven) two ends give, the opening of air draft, air outlet is sent into the hot blast of uniform temperature, and exhaust outlet is forced the warm moisture that has moisture evaporated in the drying tunnel to discharge, and wherein the device that wind is sent into is an air supply device.At present used air supply device is a blower fan, and the blower fan outlet connects air outlet through ajutage, on the air channel before or after the blower fan heat-exchange device is arranged.In the prior art, though the air outlet bore is all bigger, the wind speed on air outlet is also not little, but because the cross section of drying tunnel is bigger, make that actual air velocity in drying tunnel is not very high, that is to say that the wind speed of the food surface of really flowing through is not high enough, rate of drying is undesirable; Also because the interior dried foods of drying tunnel may be individual less or low weight,, then will blow the interior food of random drying tunnel and put order in addition, make troubles to later process if the supply and exhaust air velocity in the drying tunnel is very big.

Summary of the invention is at above-mentioned deficiency, and the utility model is exactly will provide a kind of and not only made the wind speed of the food surface of flowing through very high, but also can not blow the air supply device of the food drying equipment of random order.

The air supply device of food drying equipment of the present utility model, blower fan, ajutage and air outlet are arranged, the part of blowing in addition, said air-supply part is the hollow-core construction that airing hole is arranged on the wall, its internal cavity connects blower fan through ajutage, said air-supply part is according to putting position or the mobile alignment setting of food in drying equipment, and aperture is towards food on the air-supply part, and the aperture summation is an air outlet on the said air-supply part.

The utility model is blown into air outlet to change into by the air-supply part from drying equipment or the end that is called drying tunnel (baking oven) wind is directed to food surface, flow area is narrowed down to each aperture area sum from the drying tunnel section, the wind speed of the food surface of flowing through is improved, promptly accelerated the evaporation of the moisture of food surface, simultaneously since air-flow be with shallow bid blow to food rather than on a large scale air communication cross space, food place, the utilization rate of hot blast is improved greatly.Therefore, compared with prior art, the utility model can obviously improve the rate of drying of food, cuts down the consumption of energy.

The air supply device of food drying equipment of the present utility model, said air-supply part are the flat casings of hollow, and through passage, casing has a plurality of airing holes to the casing plane parallel on the planar wall of food in the food road of food surface of putting or motion.

The air supply device of food drying equipment of the present utility model, said air-supply part is a comb, and comb is parallel to the food road of the food surface put or motion through passage, and comb has a plurality of airing holes on the tube wall of food.

Said air-supply part is one group with several, and each part of blowing connects the air feed distributor through blowpipe, and the air feed distributor is connected with the blower fan outlet through the header pipe; Many groups can be arranged in the drying equipment, i.e. blower fan outlet connects a plurality of air feed distributors, and each air feed distributor connects one group of air-supply part.

Appended drawings 1 is the structural representation of air supply device one embodiment of food drying equipment of the present utility model, Fig. 2 is the cutaway view that amplify the part of Fig. 1, Fig. 3 is B among Fig. 2---B is to cutaway view, and Fig. 4 is single group air-supply part layout drawing, and Fig. 5 is many group air-supply part layout drawings.

Among the figure: 1-air feed distributor, 2-header pipe, 3-blowpipe, the 4-part of blowing, 4h-airing hole.

The specific embodiment is further described below in conjunction with the air supply device of the embodiment food drying equipment of the present utility model that accompanying

drawing

1,2,3,4,5 is given.

1, the air supply device of a food drying equipment as shown in Figure 1, 2, 3, has on the air feed distributor 1 to be communicated to outside header pipe 2, also has by blowpipe 3 to be communicated to air-supply part 4.The air-supply part is a flat casing, as hollow tabular, have a plurality of airing hole 4h (being on the cored slab plate face) on its plane, on one side end face (being the cored slab side), there is a row blowpipe to be connected on the air feed distributor, the wind that blower fan is sent here enters in the air-supply part inner chamber through each blowpipe through the air feed distributor again, blows to food from airing hole at last.

The air-supply part determines according to food arrangement state in the drying device, and the food put of plane then all has the air-supply part on every layer of food upper surface in this way, as the carrier of putting food be the style shape under the carrier of every layer of food, also the air-supply part can be arranged; All there is the air-supply part on the facade then every steak food of the food two sides of hanging in this way.Airing hole is towards food on the fixing food air-supply part, and airing hole is towards the passage of food road warp on the food of the motion air-supply part.

2, when food be multilayer or when arranging more, can form one group abreast by a plurality of air-supply parts 4, the blowpipe 3 of the part of blowing on the same group is connected on the same air feed distributor 1, the air feed distributor is connected on the blower fan, with header pipe 2 more as shown in Figure 4.

When 3, area more when layer (row) number or every layer (row) is big, the air-supply part can be divided into a plurality of groups folded or mutually arranged side by side mutually evenly or on request regulate each section air output or wind-warm syndrome so that blow.

4, a kind of special situation, more or when the number of plies with the food of the suspension type of serpentine locomotion, the setting of air-supply part can be undertaken by structure shown in Figure 5, be about to several air-supply parts 4 and be connected to air feed distributor 1 with the composition group, form snakelike space to folding mutually after inserting mutually in twos with 4 groups again through blowpipe 3.

The header pipe of each air feed distributor can be connected to different blower fans or be operatively connected to blower fan or be connected to blower fan by different heat exchangers through different valves, to reach the purpose of regulating air quantity, wind-warm syndrome.

5, the same each example of general structure, the part of wherein blowing is made up of comb, and comb is gone into the air feed distributor by the seamless steel pipe one end sealing or the termination that is interconnected and is constituted, and is drilled with airing hole at steel pipe on the side of food.

Claims

1. the air supply device of a food drying equipment, blower fan, ajutage and air outlet are arranged, it is characterized in that blowing in addition part, said air-supply part is the hollow-core construction that airing hole is arranged on the wall, its internal cavity connects blower fan through ajutage, said air-supply part is according to putting position or the mobile alignment setting of food in drying equipment, and aperture is towards food on the air-supply part, and the aperture summation is an air outlet on the said air-supply part.

2. the air supply device of food drying equipment as claimed in claim 1, it is characterized in that said air-supply part is the flat casing of hollow, through passage, casing has a plurality of airing holes to the casing plane parallel on the planar wall of food in the food road of food surface of putting or motion.

3. the air supply device of food drying equipment as claimed in claim 1 is characterized in that said air-supply part is a comb, and comb is parallel to the food road of the food surface put or motion through passage, and comb has a plurality of airing holes on the tube wall of food.

4. as the air supply device of claim 1 or 2 or 3 described food drying equipments, it is characterized in that said air-supply part is one group with several, each part of blowing connects the air feed distributor through blowpipe, and the air feed distributor is connected with the blower fan outlet through the header pipe.

5. the air supply device of food drying equipment as claimed in claim 4 is characterized in that can having in the drying equipment many group air-supply parts, i.e. blower fan outlet connects a plurality of air feed distributors, and each air feed distributor connects one group of air-supply part.