CN2363255Y - Energy-saving high-efficient dryer - Google Patents

Abstract

The utility model relates to an energy-saving high-efficient drying device. Both ends of a casing are respectively provided with an inlet door and an outlet door in order to form a closed cavity. The casing, the inlet door and the outlet door are all in layer structure which is stuck with burnishing aluminum foil on the inner wall of a metal plate basic body and is laid with heat-insulating material on the outer wall of the metal plate basic body. The inner part of the cavity of the casing is provided with a rail and a flat-plate cart. A heating device is an infrared radiation heat pipe, and the wall of the heat pipe is provided with a coating layer of infrared dope. The bottom of the casing is provided with a negative pressure pump, and an air pumping port of the negative pressure pump is connected and arranged on the outside the casing; the wall of the casing is provided with a temperature detecting device. The utility model has the advantages of comprehensive drying process with radiation drying, convection and pressure reducing, energy saving, low cost, short drying time, high productive efficiency, no damage to nutrient components, and good product quality.

Description

The efficient energy-saving drying device

The utility model relates to the solid fermentation corollary equipment, and concrete is a kind of efficient energy-saving drying device.

Therefore drying equipment is widely used, and is with a long history, and in the fermentation industry field, it is a finishing operation in the product process flow, often with the quality of final products substantial connection arranged.The kind of drying equipment is concluded and is mainly contained now:

1. utilize stove to add hot-air, send into oven dry bed, drying tower, drying tunnel etc. with pressure fan.

2. the air drying mainly contains a. and dries; B. pneumatic conveying drying; C. seethe with excitement and the d. spray-drying.

3. vacuum freeze drying: in medicine, biotechnology and scientific research, be extensive use of, can keep the biologically active of sample, as biological products, bacterium liquid, enzyme preparation or the like, but apparatus expensive need the equipment of dry ice or fast cooling, are used for the usefulness of sample preparation in a small amount more.

4. infrared dryer, in recent years because scientific and technological progress, infrared technique is used increasing in national economy, and energy-conservation and ultrared physicochemical property is the advantage of this technology.Though at present domestic have a lot of infrared firing equipments using, also there are some commodity to supply, but do not form an Analysis of Nested Design scale so far, and how to make the energy with electricity, be mainly used in the household electrical appliances heating (as infra-red heater, infrared therapy device etc.), be used for industry (as baking finish for car) on a small quantity, agricultural (as the infra-red radiation foodstuff drying device).Being applied to fermentation industry product drying plant does not appear in the newspapers.

Existing drying equipment major defect:

Product drying more extensively adopts airing at present, and its shortcoming mainly contains: 1. dry, and energy-conservation, but efficient is low, retrained by weather, and other method efficient is higher, but power consumption is big; 2. technological process is complicated, equipment is more expensive, air heater need be arranged, air blast, compressor air system and air cleaner, high-pressure pump, spray drying tower, high accuracy equipment such as nozzle, a drying machine hundreds of thousands unit, dry the one kilogram of about 0.4-0.5 of chicken manure cost unit,, be difficult to bear substituting grain stalk conversion feed so only be applicable to the product that price is high; 3. the scope of application has limitation, only is applicable to liquid or granule product; 4. consume is bigger, and special powder-product runs off because of wind-force; 5. some method is difficult to control preference temperature, and temperature is low, and is dry slow, and the too high or overlong time of temperature is destroyed as the vitamins nutrients.

In sum, edibleization of agricultural wastes stalk---substitute grain straw biological conversion feed and strive in grain and the human following food of solution the big effect of lifting the alleviation people and animals.In order to transport the quality that keeps product with period of storage; simultaneously the world trends of feed industrial development are to be made into the feed of full nutrition according to the livestock needs nutrient that grows; the raw material hypotrophy need add not enough nutrient; nutrition is too high adds filler for fear of waste; for these materials are evenly distributed; also prevent oxidation and nutrient was lost efficacy; so need processing such as dry and granulation; no matter existing drying equipment and technology are in cost of investment; technological process and operation etc. all are not suitable for scale; the industrialization straw biological transforms production of fodder; need absorb; digestion; on the basis of comprehensive prior art; adopt up-to-date scientific and technological achievement, design is fit to a series of equipment that solid fermentation industry is used, and forms modern production line.

The purpose of this utility model is to overcome above-mentioned shortcoming, and a kind of improved efficient energy-saving drying device is provided, and realizes radiant drying, convection current and decompression comprehensive drying, energy savings reduces cost, and drying time is short, the production efficiency height is avoided the destruction of nutrition, good product quality.

The purpose of this utility model is achieved in that

A kind of efficient energy-saving drying device mainly is made up of housing, heater, it is characterized in that:

Housing is oval tubular, and its two ends respectively have access doors and outlet portal to constitute the sealing chamber, and this housing and import and export door are inwall subsides polishing aluminium foil on the metallic plate matrix, and outer wall lays the layer structure of insulation material;

The housing inner chamber is gone to the bottom and is provided with two tracks, and plate pusher is set on the track, places thing to be dried in the go-cart;

Heater is the infra-red radiation heat pipe, is the continuous serpentine steam pipe that bending is attached at inner walls that spirals by an along continuous straight runs and constitutes, and this steam pipe has import and outlet, and the coating of infra-red paint is arranged on the tube wall of steam pipe;

Have bleeding point to be connected in negative pressure pump outside the housing at housing bottom, the gas that this negative pressure pump is pumped into negative pressure, extraction with the gas in the housing of sealing is discharged through chimney;

The temperature detection device that stretches to the housing inner chamber is housed on housing wall.

The cross section of described housing can be full circle shape, ellipse; Also can be non-full circle shape, the bottom surface of this non-full circle housing be fixed in the cement flooring with the flange sealing.

The utility model has following actively useful effect:

1, reduces cost, improve the market competitiveness, edibleization of agricultural wastes stalk is the good project of poverty alleviation of benefiting the nation and the people, if at product drying problem input substantial contribution, improve dry expense, equal to strangle this purpose to apply, therefore reduce dry expense and energy resource consumption, reduce product cost, strengthen the market competitiveness, finally bringing economic and social benefit, is one of important behave of implementing edibleization of stalk.It is one of this device advantage.

2, this device is made thermal source with steam, and steam can flow in pass-over offset, and cost is very low, at existing device electric furnace heating wire is installed, and power consumption is more expensive than steam, and electric furnace heating wire needs often to change.This device replaces electronic conveyer belt with track.Avoid because electricity expense with high, uses in vast rural area is restricted, unfavorablely promote in the rural area.Each parts is concentrated in the device, and radiation heating, decompression and convective drying organically combine.Apparatus structure is simple, and is durable, and safety is convenient to operation, and is rationally distributed, scientific strong, the efficient height, and price is low, and small investment is convenient to promote.

3, improve the quality of products; Owing to select for use the high infrared ray wave band of rate of water absorption to make radiant heat source, quicken hydrone and atomic motion in the material, reduce humidity in conjunction with decompression, and gaseous exchange; Thereby reach the water evaporates optimum state, whole process flow can be carried out in 60-90 ℃ of temperature, shorten drying time, avoid carrotene, nutritional factors such as vitamin are destroyed, simultaneously because infra-red radiation promotes the orientation of the change of structure and strand can eliminate the surperficial insect of dry thing improves the quality of products.

4, because the clipping room circuit breaker, the captain's luck of avoiding bleeding is changeed, and automatic switch on demand avoids temperature low excessively simultaneously, and is dry slow, also avoids nutritions such as the too high destruction vitamin of temperature.Strengthen automaticity, save manpower, the energy, the protection product quality.

5, owing to adopt infrared radiation heating, decompression, reduce humidity and Convective Heating in the device, these effects are all carried out at the inwall of the polished aluminum material with high reflectance, outsourcing heat-barrier material shell, and heat energy plays one's part to the full and does not run off; Simplify technological process, reduce cost.Radiation heating is saved 30% energy than the convection current heating, fast 7.9 times of infra-red dryings than convective drying, and rate of drying is also quickened in decompression, so the initial estimate energy saving can reach about 50%.

6, use: can be in food, traditional Chinese medicine, agricultural (comprise in the grain drying and using), industrial products and fermentate and need to be extensive use of in the field such as drying.

Now in conjunction with the accompanying drawings with preferred embodiment:

Fig. 1 is a structural representation of the present utility model, is front view;

Fig. 2 is the A-A parting view of Fig. 1;

Fig. 3 is the local parting view of the B-B of Fig. 1;

Fig. 4 is another embodiment of the present utility model.

Accompanying drawing number:

1. bleeding point 2. tracks 3. trucks

301. wheel 4A. door 4B. door

5. infra-red radiation heat pipe 501. is gone into 502. outlets

503. infrared coating 6. housings 601. metallic plates

602. polishing aluminium foil 603. adiabator layers

7. temperature, humidity display instrument 8. extract systems 801. chimneys

9. air exhauster 10. thing 11. cross-ventilation figure to be dried

12. cement flooring

Efficient energy-saving drying device of the present utility model mainly is made up of housing, heater, please refer to Fig. 1 Fig. 2 Fig. 3;

Housing 6 is oval tubular, its two ends respectively have access doors 4A and outlet portal 4B to constitute the sealing chamber, this housing 6 and import and export door 4A, 4B are at metallic plate matrix 601 inwalls and paste polishing aluminium foil 602, and outer wall lays for example layer structure of asbestos, rock wool of insulation material 603;

Housing 6 inner chambers are gone to the bottom and are provided with two tracks 2, and plate pusher 3 is set on the track 2, place thing 10 to be dried in the go-cart 3;

Heater is an infra-red radiation heat pipe 5, is the continuous serpentine steam pipe that bending is attached at inner walls that spirals by an along continuous straight runs and constitutes, and this steam pipe has import 501 and outlet 502, and the coating 503 of infra-red paint is arranged on the tube wall of steam pipe;

Have bleeding point 8 to be connected in negative pressure pump 9 outside the housing at housing bottom, this negative pressure pump 9 is pumped into the gas in the housing of sealing the gas of negative pressure, extraction and is discharged through chimney 801;

The temperature humidity display instrument that stretches to the housing inner chamber is housed on housing wall.

During enforcement, the cross section of described housing 1 can be full circle shape, ellipse is seen Fig. 2; Also can be that non-full circle shape is seen Fig. 2, the bottom surface of this non-full circle housing be fixed in cement flooring 12 with the flange sealing.

Operation principle of the present utility model:

Heat of steam flows to the radiation matrix, makes the outer infra-red paint of matrix produce radiant heat, on the energy of radiation source should concentrate on water as far as possible and treat that dry can the wave band of absorption maximum.Most of radiant heat transforms feed (or other treats dry) with light velocity direct projection to straw biological, small part is treated dry by the also indirect directive of polished aluminum, absorbed by material, atom vibrates relatively in the molecule, molecule rotation, the vibration of atom raises along with temperature and strengthens in the crystal, is energized into higher energy level.Because temperature raises, molecular motion, and quicken the water evaporation.When temperature rising water evaporates causes humidity too high, cause water evaporates speed to reduce, therefore the air exhauster gas outlet is installed below device, the extraction of high humility gas is caused decompression, quicken convection heat transfer' heat-transfer by convection, even radiant heat, Convective Heating, reduction vaporization act on simultaneously, promote the bigger evaporation of moisture and reach the optimum drying effect.

Claims (2)

1. an efficient energy-saving drying device mainly is made up of housing, heater, it is characterized in that:

Housing is oval tubular, and its two ends respectively have access doors and outlet portal to constitute the sealing chamber, and this housing and import and export door are inwall subsides polishing aluminium foil on the metallic plate matrix, and outer wall lays the layer structure of insulation material;

The housing inner chamber is gone to the bottom and is provided with two tracks, and plate pusher is set on the track, places thing to be dried in the go-cart;

Heater is the infra-red radiation heat pipe, is the continuous serpentine steam pipe that bending is attached at inner walls that spirals by an along continuous straight runs and constitutes, and this steam pipe has import and outlet, and the coating of infra-red paint is arranged on the tube wall of steam pipe;

Have bleeding point to be connected in negative pressure pump outside the housing at housing bottom, the gas that this negative pressure pump is pumped into negative pressure, extraction with the gas in the housing of sealing is discharged through chimney;

The temperature detection device that stretches to the housing inner chamber is housed on housing wall.

2. efficient energy-saving drying device as claimed in claim 1 is characterized in that: the cross section of described housing can be full circle shape, ellipse; Also can be non-full circle shape, the bottom surface of this non-full circle housing be fixed in the cement flooring with the flange sealing.