CN2035559U - Speed drier for forage grass - Google Patents

Abstract

The utility model relates to a rapid drier for forage grass, which is mainly composed of a rotating cage formed from a long rib (8), a circular rib (30) and a steel wire net (15), an agitating pusher formed by the assembly of an agitating pusher shaft (5), a shaft sleeve (14), an agitating bracket (9), an agitating arc plate (10) and an agitating arc lip (11), and a burning bed (22). When the burning bed of the utility model burns, the surface temperature can be as higher as 800 to 1000DEG C, and the surface radiates infrared rays with the wave length lambda of two to six mu; the high temperature and the infrared rays pass though the steel wire net of the rotating cage to act on forage grass to be dried, the forage grass can be rapidly dried within two to ten minutes, and the nutrient loss of the forage grass is about 10 percent.

Description

Speed drier for forage grass

The utility model relates to a kind of plant equipment of drying careless class material.

As everyone knows, China for a long time mow-drying be mostly to adopt air seasoning.According to document announcement: natural seasoning herbage, even under the fine situation of weather, dry matter is with a toll of 21%, the crude protein loss is 27.7-29%, and the carotin loss is 97%, under the overcast and rainy condition, the dry matter loss is 36.6-39.6%, the thick protein loss is 46.1-50.6%, and carotin reaches 99%, this shows that the nutrition major part is destroyed.In case of overcast and rainy rainy, herbage is just a large amount of mould bad, at all can not be edible for poultry.For addressing the above problem, though domesticly begin to adopt the dry herbage of artificial seasoning, but the artificial seasoning fado is to adopt heating means such as steam or fire coal, its thermal efficiency of these seasonings is low, general baking temperature is about 100 ℃, drying time is long, and the herbage nutrition loss of dry back is also bigger, and economic benefit is still not high.For the nutritive loss that makes dry herbage in minimum, mostly be that abroad the employing rapid dry process dries herbage.That is to say requirement in 2-10 minute with mow-drying, the loss of its nutriment only is 2-3%, being lost in below 10% of carotin.Dutch all boolean that China recent years is introduced step on the herbage flash drying machine that company produces, and dryer such as Japanese kokai publication sho 52-50061 number disclosed herbage, all are can be with the quick drying apparatus of herbage oven dry in 2-10 minute.Though above-mentioned two kinds of equipment can satisfy the requirement of rapid draing herbage,, be difficult to apply in China because there are a little problems in import equipment cost height and equipment itself.As the grass drier of Holland, the mode of heating of employing is that the heavy oil atomizer directly burns, pyrotechnics, high-temperature gas during oven dry, and bright grass mixes, if mishandling, easily breaking out of fire, and severe contamination herbage.The dryers such as herbage of Japan are to adopt elevated temperature heat air-flow oven dry herbage, though its this body structure of warm air drier is comparatively simple, its thermal source generation equipment is comparatively complicated, and the thermal efficiency is lower.At the problems referred to above, the utility model provides a kind of structure comparatively simple, the herbage flash drying machine that the thermal efficiency is higher.

The purpose of this utility model is: provide a kind of can be in 2-10 minute flash baking herbage and other agriculture and animal husbandry crop, and the nutrient component loss that makes its hay is less than the equipment of 15% flash baking herbage.

Basic principle of the present utility model is: herbage is put into rotating cage, and rotating cage is to be welded into the rotating cage skeleton with circular steel rib and microscler reinforcing rod, thereby the lining steel wire is formed netted rotating cage on the rotating cage skeleton.The design of rotating cage bottom has an infrared gas-fired bed, and burning bed is a cellular-type burning bed structure, and the top is covered with three layers of burning web, when the ignition combustion bed, coal gas is done flameless combustion, and the burning web surface temperature can be up to 800-1000 ℃, and give off the infrared-ray that wavelength is 2.5-6 μ.High temperature on the burning bed and infrared-ray pass the wire netting of rotating cage, and the herbage in the rotating cage is carried out heating, drying, simultaneously because ultrared penetration is very strong, make the moisture content in the bright grass can discharge dry in 2-10 minute effectively.Rotating cage one end design has feed hopper, and an end is provided with discharge bucket, and design has to be used for stirring and stirs herbage in the rotating cage, and promotes herbage from the stirring propulsion plant of feed hopper end to the discharge bucket end motion, thereby realizes continuous drying herbage.

Accompanying drawing 1 is the structural representation of herbage flash drying machine.The rotating cage skeleton that motor 1, variable speed drive 2, bearing block 3, gear 6, microscler rib 8 and circular rib 30 are welded into, thereby steel wire 15 is fixed on and constitutes a netted rotating cage on the rotating cage skeleton, rotating cage is supported by the bearing block 24,20 that is fixed on the base 21, and seal with end cap 7,17 at the rotating cage two ends.Stir pusher shaft 5, on the axle 5 one group of bearing holder (housing, cover) 14 is housed fixedly, all be fixed with the Y type on each axle sleeve 14 and stir support 9, each pole top of support 9 all is equipped with and is stirred arc plate 10, stirs to be fixed with on the arc plate 10 and stirs arc lip 11, stirring pusher of the common composition of these parts, be fixed with gear 43 on the axle 5, third wheel 4 is housed in the variable speed drive 2, power is passed to stirred pusher shaft 5, stir pusher shaft 5 and support by bearing block 3,19.Lagging casing 12, lagging casing join 13 on trip, gas outlet 16, feed hopper 18, burning bed 22, discharge bucket 23.

Accompanying drawing 2 is cut-away views of herbage flash drying machine.Stir pusher shaft 5, microscler rib 8, circular rib 30, lagging casing 12, stir support 9, stir arc plate 10, stir arc lip 11, axle sleeve 14, lagging casing connect hinge 28, lagging casing support bar 27, lagging casing take stumble 13, burning bed 22, air delivery pipe 26, gas conveying tube 25, base 21, fireguard 29, backing wire 33, burning web 32, radiation net 31.

Accompanying drawing 3 is herbage flash drying machine burning bed partial schematic diagrams, air delivery pipe 26, gas conveying tube 25, union elbow 35, inflation bend pipe 34, backing wire 33, burning web 32, radiation net 31, protection tube 36, gas mixing pipe 37, transition conduit joint 38, mixing chamber 40, mixing chamber plate washer 39, nozzle 42, adjusting nut 41.

With reference to accompanying drawing embodiment of the present utility model is described in further detail.

Motor 1 is passed to the gear 6 that is fixed on the rotating cage axle journal by variable speed drive 2 with power, drives rotating cage and does rotation at a slow speed, and the rotating speed of rotating cage is generally 10-60 rev/min.

Rotating cage is to be welded into a rotating cage skeleton with microscler rib 8 and circular rib 30, and skeleton inner ring lining is wrapped with steel wire 15, that is to say a netted rotating cylinder that constitutes with steel wire is fixed on the rotating cage skeleton, has so just formed a netted rotating cage.Because herbage its geometry in dry run changes greatly, gets out from mesh for preventing herbage, can adopt the double-layer wire web frame, promptly nexine is with the higher fine-structure mesh of density, the outer coarse net of use, and generally coarse net can be selected 1 cun * 60-100 purpose steel wire for use.Seal with end cap 7,17 at the rotating cage two ends.The design of rotating cage one end has feed hopper 18, and the design of other end bottom has discharge bucket 23.Rotating cage is to rely on the bearing block 20,24 that is installed on the base to support.Because rotating cage has adopted network structure, this infrared rays that burning bed produced and elevated temperature heat air-flow that helps the rotating cage bottom passes mesh, directly acts on the herbage of being dried, and it is dehydrated rapidly.

Stirrer shaft 5 is supported by the bearing block 3,19 that is fixed on the base, passes rotating cage.Be installed with one group of axle sleeve 14 on the stirrer shaft 5, the distance of each shaft room is about the 400-600 millimeter.All fixedly be welded with the Y type on each axle sleeve and stir support 9, stir support and also can be cross or other shape, but for guaranteeing its balance when rotated, each strut that stirs support must be to be evenly distributed in 360 ° of scopes.Each strut top of stirring support all is fixed with stirs arc plate 10, and the helical angle that stirs the arc plate is generally about 45 °.Stir arc plate top the stirring arc lip 11 that is bent into steel wire also is housed, the effect of stirring the arc lip is to sweep and scrape off being embedded in herbage on the rotating cage, stir the arc lip when mounted, should maintain the distance of 10 millimeter between its peak and rotating cage steel wire, damage the steel wire of rotating cage when preventing to rotate, above-mentioned parts have been formed the stirring pusher jointly.Stirrer shaft is to rotate by the gear 43 that third wheel 4 drives that are installed in the speed change gear are fixed on the stirrer shaft.That is to say that the direction of rotation that stirs pusher is opposite with rotating cage, rely on the relative motion of stirring between pusher and rotating cage like this, and the screw action that stirs the arc plate is realized stirring and is promoted by oven dry herbage by the feed hopper end and reaches the purpose of continuous drying herbage to the discharge bucket end motion.

Burning bed 22 is mounted on the base of rotating cage bottom, and the distance between rotating cage is advisable with the 20-40 millimeter.Burning bed is a fuel with fuel gas such as coal gas, liquefied petroleum gas, natural gases.Because the area of the combustion chamber of each burning bed is bigger, operating mode is difficult for stablizing during burning, so Combustion chamber design is become the cellular-type chamber structure, that is to say that it is to be formed by numerous square combustion chambers set.Each combustion chamber all is connected to gas inlet device.Be processed with external screw thread on the nozzle 42, an end and coal gas air supply pipe 25 link, and the other end is connected on the mixing chamber 40, and mixing chamber also is equipped with adjusting nut 41 outward, are used for controlling to adjust the air inflow of air.Inflation bend pipe 34 is housed on the mixing chamber, and the inflation bend pipe joins by pipe joint 35 and air appendix 26.When coal gas or other fuel gas enter mixing chamber 40 by nozzle 42, because coal gas has certain pressure, and nozzle endoporus aperture is less, air velocity was higher when coal gas entered mixing chamber, in mixing chamber, form local negative pressuren zone, thereby automatically be drawn into mixing chamber in by the inflation bend pipe air, or air is sucked from adjusting nut, air enters behind the mixing chamber with after fuel gas mixes, and the gas mixing pipe on being fixed on plate washer 39 37 enters in the combustion chamber after fully mixing again.Design air appendix 26, the main purpose of inflation bend pipe 34 solves mountain area or the bigger area of air humidity, because air humidity is too big, the contradiction of the combustion conditions difference of burning bed, can cancel parts such as air appendix, inflation bend pipe in the flat area of drying, air directly sucks from adjusting nut, and adjusting nut 41 just can directly be regulated the ratio of coal gas and air.When air when inflation bend pipe, air delivery pipe suck, can close adjusting nut 41.Mixing chamber 40 is to be welded on the plate washer 39, and the plate washer outer ring is processed with screw, and the endoporus of transition conduit joint 38 is processed with the internal thread that matches with plate washer, so plate washer is that gas mixing pipe 37 also is welded on the plate washer 39 by in the screw thread threading transition conduit joint.The transition conduit joint is to be installed on the burning bed by screw thread, and on the transition conduit joint, gas mixing pipe also is equipped with a protection tube 36 outward, and the effect of protection tube is the distortion that prevents or reduce combustion chamber gas mixing pipe under the condition of high temperature.Be covered with the three-layer metal burning web on the burning bed, nexine is a backing wire 33, the middle level is that burning web 32, surface layer are radiation net 31, three-layer network should have certain distance when mounted, burning bed is when burning, burning web can produce bigger distortion, preferably whole wire side is pressed into corrugated when therefore installing.Adopt the major advantage of this structure to be: burning web has certain filtration to fuel gas, burning is to do flameless combustion, because the metal material of burning web is Aludirome (DCr25AL15), when burning, can give off the infrared-ray of λ=2-6 μ, infrared rays makes by the oven dry object can dehydrate at short notice to very strong by the penetration of oven dry object.According to experiment test, burning bed surface temperature when burning can reach 800-1000 ℃.

Burning bed both sides designs has baffle plate fire plate 29, and fireguard is made with exotic material, aluminium alloy sheet and asbestos board, is mainly used to heat insulation and prevents the lost of heat.Rotating cage also designs outward a lagging casing 12, and heat is lost when being used for preventing to dry, and lagging casing is also made with exotic material, aluminium alloy sheet and asbestos board.In order to install and to repair conveniently, lagging casing is designed to the piecemeal formula, connects with hinge 28, and the lagging casing lower end is fixed on the fireguard 29, and support 27 also is equipped with taking 12 connections of stumbling in the top on base 21, be used for supporting lagging casing.Also design has a gland steam exhauster 16 that is used for exhaust steam on lagging casing, flows to the discharge bucket end in order to make material rapidly by the feed hopper end, and base 21 should guarantee a little higher than discharge bucket end of feed hopper end when mounted.

Above-mentioned speed drier for forage grass is trial-produceed successfully by on probation at Hubei Province's Mountain Area of Western Hubei Province, and herbage is from being fed to discharging about 5 minutes, and grass just is completely dried, and water content dries by the fire the herbage that and is green below 13%. Dry by the fire the herbage nutrition loss that only about 10%. This shows and use this device can be implemented in 2-10 minute the quick-drying purpose of herbage, and make the nutrition of herbage be lost in minimum. Make the herbage oven dry form suitability for industrialized production, this will be conducive to the exploitation of China's grass resources, enlarge China's feed resource, accelerate the development of feed industry and animal husbandry.

Above-mentioned speed drier for forage grass, outside the decapacitation flash baking herbage, by the pressure of regulating gas and the air inflow of combustion gas, the firepower size of adjustable combustion bed makes this device also can satisfy the requirement of other agriculture and animal husbandry crop of oven dry.

Claims (5)

1, the herbage flash drying machine of being made up of motor 1, variable transmission mechanism 2, rotating cage, lagging casing 12, burning bed 22, base 21, stirring propeller etc. is characterized in that: rotating cage is to be welded into the rotating cage skeleton with microscler rib 8, circular rib 30, a cylinder mould made from steel wire 15 fixedly is housed on the rotating cage skeleton, and rotating cage is supported by bearing block 20,24; Stir pusher and be each pole top of stirring support 9 by stirring pusher shaft 5, be fixed with one group of axle sleeve 14 on the axle 5, all being welded with on each axle sleeve, stirring support 9 and be fixed with and stir arc plate 10, stir to be fixed with on the arc plate and stir that arc lip 11 forms; Burning bed 22 is installed on the base 21 of rotating cage bottom, burning bed is a cellular-type burning bed structure, promptly form by numerous square combustion chambers, being covered with bottom on the burning bed is that backing wire 33, middle level are that burning web 32, surface layer are three layers of burning web of radiation net 31, and each combustion chamber all is connected to gas inlet device.

2, herbage flash drying machine according to claim 1 is characterized in that steel mesh cage can adopt the double-layer wire web frame, it is the nexine higher fine-structure mesh of density, the outer coarse net of using, the rotating cage two ends seal with end cap 7,17, the design of rotating cage one end has feed hopper 18, and other end design has discharge bucket 23.

3, grass drier according to claim 1 is characterized in that: the spacing distance of axle sleeve 14 is the 400-600 millimeter, stirring support 9 can be cross or is the Y type, also can be other shape, but must be distributed in 360 ° of scopes, the helical angle that stirs arc plate 10 is about 45 °, when stirring arc lip 11 and installing should and rotating cage between keep the distance of 10 millimeter, the rotation direction that stirs pusher is opposite with the rotation direction of rotating cage.

4, grass drier according to claim 1 is characterized in that: burning web is to use the Aludirome material, and the surface should be pressed into corrugated during installation.

5, it is characterized in that according to the above herbage flash drying machine of claim: gas inlet device is to have nozzle 42 1 ends and gas inlet pipe 25 to join; the other end and mixing chamber 40 join; a gas tube 34 is installed on the mixing chamber to communicate with air appendix 26; outside the mixing chamber; adjusting nut 41 is housed on the nozzle; mixing chamber is welded on the baffle plate 39; baffle plate is contained in the transition conduit joint 38; the transition conduit joint is installed on the burning bed; gas mixing pipe 37 also is housed on the baffle plate, and gas mixing pipe is with protection tube 36 outward.

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