CN104983043A

CN104983043A - Baking machine using sand as heating medium and fruit baking method

Info

Publication number: CN104983043A
Application number: CN201510403028.4A
Authority: CN
Inventors: 余斌; 潘江如; 吾满江·艾力; 鲁亚云; 张勇; 马博; 张佳; 何龙; 艾麦尔·玉苏普; 王康
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-07-10
Filing date: 2015-07-10
Publication date: 2015-10-21

Abstract

The invention relates to a baking machine using sand as a heating medium. The baking machine comprises a casing, wherein a heating device is arranged in the casing, sand is stuffed in the casing, and drying devices are uniformly arranged in the sand. Besides, the invention further relates to a fruit baking method by utilizing the baking machine. The baking machine using the sand as the heating medium and the fruit baking method, disclosed by the invention, combine the unique superiority of fruit resources of Xinjiang, and besides, a great deal of the sand existing in Xinjiang is used as the heating medium for heating fruits in the baking machine; the fruits are buried in the sand, so that the contact between fresh fruits and atmospheric oxygen can be reduced, the oxidation action of oxygen to the fruits is reduced, the color of the fruits is improved, and the quality of the fruits is improved.

Description

A kind of sand is as the dryer of heat medium and a kind of fruit furnace drying method

Technical field

The present invention relates to a kind of fruit drying plant and drying technology, be specifically related to a kind of sand as the dryer of heat medium and a kind of fruit furnace drying method.

Background technology

Apricot, red date are the Ways of Special Agricultural Products that Agriculture in Xinjiang industrialization is given priority to, very important status is occupied in Xinjiang agriculture, the contribution rate more than 25% of industry of planting forest or fruit tress in 2008 in increasing peasant income, will account for more than 30% of peasant's total income to industry of planting forest or fruit tress income in 2010.Along with the propelling of development of the West Regions and structural readjustment of rural industry strategy, the development of Xinjiang characteristic industry of planting forest or fruit tress is swift and violent, woods fruit area is every year with 1,000,000 mu of speed increases, 2009, the gross area is own broke through 1,450 ten thousand mu, produces fruit 4,600,000 tons per year, the output value reaches 12,800,000,000 yuan, within 2011, fruit total output is more than 6,700,000 tons, and the gross output value breaks through 24,000,000,000 yuan, and wherein characteristic fruit is if the cultivated area of apricot, red date is all more than 20000hm ², in large scale.

The maturity period of apricot concentrates on late June to mid-July, and fresh fruit supply phase short, output is large, which increases fruit gather after market sale pressure, the fresh apricot of about 90% is dry for making; All the time, the dry fruit in Xinjiang majority adopts the room that dries in the air to dry in the shade and the method for natural drying, and this traditional method drying efficiency is low, the cycle long, be subject to the impact of dust storm and weather, is also subject to the pollution of dust and worm ant, has had a strong impact on quality and the grade of dry fruit.7-l0d arid cycle of apricot, yield rate 20%, because rank difference, quality are low, a large amount of dry fruit can only be sold as raw material, and the dry increment amplitude of system is little, thus study new low energy consumption, oligosaprobic drying device has urgent current demand.

Relevant research shows, there is a lot of aldehydes matter in apricot fruit, some phenolic compound is easy to oxidized, and generate brownish black product, this change is commonly referred to as brown stain, and the brown stain of fruit must possess four conditions simultaneously: one is the activation of polyphenol oxidase; Two is abundant enzymatic substrates; Three is supplies of oxygen; Four is that substrate contacts with enzyme.These have had a strong impact on quality and the grade of dry fruit.

Summary of the invention

For solving in prior art the technical problem existed, the invention provides a kind of sand as the dryer of heat medium and a kind of fruit furnace drying method.

Technique effect of the present invention is achieved through the following technical solutions:

Sand, as a dryer for heat medium, comprises housing, in described housing, is provided with heater, fills sand, in described sand, be evenly provided with drying device in described housing.

Further, in described housing, be also provided with mesh-supported frame.

Further, in described sand, temperature sensor is provided with.

Further, described heater is netted electric heater, and described netted electric heater is arranged on described housing bottom.

Further, also comprise control module, described control module receives temperature sensor temperature signal, and controls heater.

Further, at described housing bottom, be provided with and put sramana, below the described sramana of putting, be provided with silt container.

Further, described drying device is bagged dryer.

Utilize above-mentioned disclosed sand as a fruit furnace drying method for the dryer of heat medium, comprise the steps:

Step one: fruit is placed in dryer;

Step 2: inject sand in dryer fruit is covered completely;

Step 3: lay drying device in described sand;

Step 4: open heater, heat sand, is dried fruit by sand heat transfer;

Step 5: after fruit has been dried, releases sand, takes out dried fruit.

Further, in step 4, heater heats sand, makes sand temperature remain on 40-50 DEG C, and temperature retention time is 7-10 days.

The invention has the beneficial effects as follows:

A kind of sand disclosed in this invention is as the dryer of heat medium and a kind of fruit furnace drying method, in conjunction with the resources advantage of Xinjiang uniqueness, the heating to fruit is realized in a device, drier on place Min layers in sand simultaneously in device, in the middle of the process of fruit process, absorb the moisture volatilized in fruit, fruit is embedded in the contact that can reduce fresh apricot and air oxygen in sand, reduce oxygen to the oxidation of fruit, improve the color and luster of fruit, improve the quality of fruit.Solve the dry Problems existing of fruit natural drying, improve the quality of dry fruit.

Accompanying drawing explanation

Fig. 1 is the drying machine structure schematic diagram of a kind of sand disclosed by the invention as heat medium.

Detailed description of the invention

Technical solution of the present invention is introduced in detail below in conjunction with accompanying drawing.

As shown in Figure 1, a kind of sand is as the dryer of heat medium, comprise housing 2, bottom described housing 2, be provided with netted electric heater 8, in described housing 2, be also provided with mesh-supported frame 3, described mesh-supported frame 3 is multiple, on the parallel differing heights be set in qually spaced in housing 2.In described housing, fill sand 5, in described sand 5, even laminating is equipped with bagged dryer 1, and described bagged dryer 1 comprises calcium oxide or silica-gel desiccant.Meanwhile, in described sand 5, be also evenly provided with multiple temperature sensor 9, described temperature sensor 9 is connected with the control module 10 be arranged on outside housing 2, and described control module 10 controls netted electric heater 8 according to temperature information.

Bottom described housing 2, be provided with and put sramana 7, below the described sramana of putting 7, be provided with silt container 6.When fruit drying completes, by putting sramana 7, sand 5 in housing 2 is discharged, and collected by silt container 6 pairs of sands 5.

In this example, dryer is used for drying apricot, and its concrete furnace drying method is:

When the fresh apricot of heating, fresh apricot 4 to be placed in housing 2 on netted bracing frame 3, sand 5 is injected in housing 2, be covered with the sand 5 of certain depth around apricot after, bagged dryer 1 is placed on sand 5 top, sand 5 is covered with again around bagged dryer 1, form the layout that diagram is such, bagged dryer 1 is mainly used in the moisture that absorption apricot is evaporated, ensure the degree of drying of sand 5, open netted electric heater 8 pairs of sands 5 to heat, the temperature in housing 2 is made to control between 40-50 DEG C, when temperature is lower than 40 DEG C, temperature sensor 9 sends signal to control module 10, netted electric heater 8 is started working, when temperature is higher than 50 DEG C, temperature sensor 9 equally also gives control module 10 1 signals, netted electric heater 8 quits work, after the heating of 7-10 days, open drying device bottom and put sramana 7, sand 5 flow in the middle of the silt container 6 of bottom by the emptying aperture of mesh-supported frame 3 and netted electric heater 8, after sand 5 has flowed, bagged dryer 1 and dried apricot product are taken out.Repeat above-mentioned steps, thus realize the processing to apricot.

Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. with the dryer of sand as heat medium, comprise housing, it is characterized in that: in described housing, be provided with heater, fill sand in described housing, in described sand, be evenly provided with drying device.

2. a kind of sand according to claim 1 is as the dryer of heat medium, it is characterized in that: in described housing, is also provided with mesh-supported frame.

3. a kind of sand according to claim 1 is as the dryer of heat medium, it is characterized in that: in described sand, be provided with temperature sensor.

4. a kind of sand according to claim 1 is as the dryer of heat medium, it is characterized in that: described heater is netted electric heater, and described netted electric heater is arranged on described housing bottom.

5. a kind of sand according to claim 3 is as the dryer of heat medium, it is characterized in that: also comprise control module, and described control module receives temperature sensor temperature signal, and controls heater.

6. a kind of sand according to claim 1 is as the dryer of heat medium, it is characterized in that: at described housing bottom, be provided with and put sramana, below the described sramana of putting, be provided with silt container.

7. a kind of sand according to claim 1 is as the dryer of heat medium, it is characterized in that: described drying device is bagged dryer.

8. utilize disclosed in claim 1 with sand as a fruit furnace drying method for the dryer of heat medium, it is characterized in that: comprise the steps:

Step one: fruit is placed in dryer;

Step 2: inject sand in dryer fruit is covered completely;

Step 3: lay drying device in described sand;

Step 4: open heater, heat sand, is dried fruit by sand heat transfer;

Step 5: after fruit has been dried, releases sand, takes out dried fruit.

9. a kind of fruit furnace drying method according to claim 8, it is characterized in that: in step 4, heater heats sand, makes sand temperature remain on 40-50 DEG C, and temperature retention time is 7-10 days.