CN201426359Y - Processing device applicable to food and feed extrusion - Google Patents

Processing device applicable to food and feed extrusion Download PDF

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Publication number
CN201426359Y
CN201426359Y CN2009200429810U CN200920042981U CN201426359Y CN 201426359 Y CN201426359 Y CN 201426359Y CN 2009200429810 U CN2009200429810 U CN 2009200429810U CN 200920042981 U CN200920042981 U CN 200920042981U CN 201426359 Y CN201426359 Y CN 201426359Y
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CN
China
Prior art keywords
pressure
chamber
extrusion
building
cavity
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Expired - Lifetime
Application number
CN2009200429810U
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Chinese (zh)
Inventor
马亮
李松云
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Jiangsu Muyang Group Co Ltd
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Jiangsu Muyang Group Co Ltd
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Priority to CN2009200429810U priority Critical patent/CN201426359Y/en
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Abstract

The utility model discloses a processing device applicable to food and feed extrusion in the food and feed processing field. The processing device comprises a conditioner and an extrusion cavity, wherein an extrusion screw is arranged in the extrusion cavity; one end of the extrusion cavity is provided with a feeding hole, and the other end thereof is provided with a discharging and cutting device; a pressure-building device and a ripener are sequentially arranged between the conditioner and the extrusion cavity; the pressure-building device comprises a pressure-building screw and a pressure-building cavity; the pressure-building screw is in transmission connection with a driving device; the inlet end of the pressure-building cavity is connected with the outlet end of the conditioner; theripener comprises a constant-pressure ripening cavity and a heat-preservation shell which is arranged at the circumference of the constant-pressure ripening cavity; the heat-preservation shell is provided with a steam inlet and a steam outlet; the outlet end of the pressure-building cavity is connected with the inlet end of the constant-pressure ripening cavity; and the outlet end of the constant-pressure ripening cavity is connected with the feeding hole. In the device, most of the energy for material ripening comes from the steam energy which is filled in the heat-preservation shell, therefore the mechanical energy input in the extrusion cavity is effectively reduced, and the energy consumption for food and feed extrusion is reduced.

Description

Be applicable to the processing unit (plant) of food, feed extrusion
Technical field
The utility model relates generally to the former in the grain and food field of feed processing, particularly relates to a kind of processing unit (plant) of extrusion.
Background technology
The processing unit (plant) that existing food, feed extrusion are used, its structure mainly comprises quality-adjusting device, the extrusion chamber that is connected with quality-adjusting device, is provided with extruding screw in the extrusion chamber, and extrusion chamber one end is provided with charging aperture, and its other end is provided with discharging and cutter sweep.During work, material at first enters quality-adjusting device and carries out modifiedly, enters extrusion chamber then, and the extrusion chamber inner screw is pushed material to discharging and cutter sweep from charging aperture continuously, and material is expanded and be cut moulding.In this process, that material has successively passed through is modified, feeding, rub up, several stages such as final slaking, the pressure of material increases gradually, temperature raises gradually, under high temperature, high pressure, shear conditions, the rerum natura of material changes.Become pasty state by powdery, starch gelatinization, albuminous degeneration, cellulosic are partly degraded, refinement, and pathogenic bacteria are killed, and sanitary index improves, the toxic component inactivation; Final under powerful pressure differential effect, material is by expanded, dehydration, cooling, dilated product short texture, porous, crisp, and palatability and local flavor are preferably arranged.But, material is in modified process in advance, owing to be subjected to the restriction of modified exit passageway and time, usually the material gelatinization degree can only reach 40-50%, and then push by extrusion chamber, stir etc., the material gelatinization degree can reach 100%, but need to consume a large amount of mechanical energy from the extruding screw input, the input of these mechanical energy has influence on the pressure and temperature of material, also promptly has influence on the curing degree of material, when the curing degree of material is not enough, the expanded quality of material will be affected, therefore, have good quality for guaranteeing product, material itself should have enough energy.In the prior art, in order to reduce the mechanical energy energy consumption, some producers can add some steam at extrusion chamber feeding end in material, because the interpolation of steam can improve the gelatinization degree of material, reduce the mechanical energy that needs in the material gelatinization process, but its amplitude are limited.Because the space of extrusion chamber is very little, the time of staying of material in whole extrusion chamber is very short, and the time of steam and material infiltration is very short, and material becomes relatively limited because of the amount of cure of the effect lifting of steam like this.In addition, be solid granular owing to just entered the material of extrusion chamber, its wearing and tearing to extruding screw and extrusion chamber inwall are bigger, make shorten the service life of extruding screw and extrusion chamber.
The utility model content
Problem to be solved of the present utility model is: a kind of processing unit (plant) that is applicable to food, feed extrusion is provided, to reduce food, feed extrusion power consumption, simultaneously, reduces the wearing and tearing of extruding screw, prolong the service life of critical component.
The utility model is achieved in that a kind of processing unit (plant) that is applicable to food, feed extrusion, comprise quality-adjusting device and extrusion chamber, be provided with extruding screw in the extrusion chamber, extrusion chamber one end is provided with charging aperture, the extrusion chamber other end is provided with discharging and cutter sweep, is provided with successively between described quality-adjusting device and the extrusion chamber to build pressure device and ager; The described pressure device of building comprises building the pressure screw rod and building the pressure chamber of cooperation installation, builds pressure screw rod and drive unit and is in transmission connection, and builds pressure chamber entrance point and links to each other with the quality-adjusting device port of export; Described ager comprises the lagging casing that pressurize slaking chamber and pressurize slaking chamber periphery are provided with, lagging casing is provided with steam inlet and steam (vapor) outlet, build and press the chamber port of export to link to each other with pressurize slaking chamber entrance point, the port of export in pressurize slaking chamber links to each other with described charging aperture through exit passageway.
During the utility model work, it is modified that material at first passes through quality-adjusting device, build pressure through building pressure device to material then, material pressure increases, temperature rises, but its curing degree is lower, after material enters ager, owing to can feed steam in the lagging casing, material temperature is risen, rapidly under the internal pressure and the double action of heating, the rerum natura of material changes, protein begins sex change, starch gelatinization, cellulosic is partly degraded, and germ is killed, material becomes pasty state very soon, its good fluidity can be liquid or semi-fluid attitude enters in the extrusion chamber, enter extrusion chamber after, material is extruded screw rod and further pushes, temperature continues to rise, until gelatinization degree 100%, because material is liquid or semi-fluid state, its wearing and tearing to extruding screw and extrusion chamber inwall are all smaller, can prolong extruding screw, the service life of critical components such as extrusion chamber.In the above-mentioned course of work, material is in packing state in ager, can reduce mechanical resistance rapidly after heating, and the material rapid aging becomes pasty state; Compared with prior art, the steam energy that most of energy sources of material slaking feeds in lagging casing in maturing process effectively reduces the input of the mechanical energy in the extrusion chamber.Usually food, feed processing enterprise all have steam supply system, use steam low more than the cost of electric energy.Therefore, the utility model effectively reduces the energy consumption of food, feed extrusion processing, has reduced the cost of food, production of fodder processing enterprise.
As further optimization of the present utility model, described building presses the chamber to be provided with steam benefit inlet.In steam benefit inlet is in material, feed steam, can regulate the moisture in the material, strengthen its flowability, simultaneously, also can directly partial heat energy be brought in the material, to reduce the loss of mechanical energy.
As further optimization of the present utility model, also be provided with control valve on the described exit passageway.Being provided with of control valve can be regulated the pressure in the ager according to the difference of various material characteristics.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1, drive unit, 2, build the pressure screw rod, 3, the quality-adjusting device port of export, 4, lagging casing, 5 quality-adjusting devices, 6, steam inlet, 7, pressurize slaking chamber, 8, control valve, 9, discharging and cutter sweep, 10, extruding screw, 11, extrusion chamber, 12, exit passageway, 13 steam (vapor) outlets, 14, steam is mended inlet, and 15, build and press the chamber.
The specific embodiment
As figure, be a kind of processing unit (plant) that is applicable to food, feed extrusion, comprise quality-adjusting device 5 and extrusion chamber 11, be provided with extruding screw 10 in the extrusion chamber 11, extrusion chamber 11 1 ends are provided with charging aperture, extrusion chamber 11 other ends are provided with discharging and cutter sweep 9, are provided with successively between described quality-adjusting device 5 and the extrusion chamber 11 and build pressure device and ager; The described pressure device of building comprises that building of cooperate installing press screw rod 2 and build and press chamber 15,, build to press and can be provided with steam on the chamber 15 and mend inlet 14; Build and press screw rod 2 and drive unit 1 to be in transmission connection, build and press chamber 15 entrance points to link to each other with the quality-adjusting device port of export 3; Described ager comprises the lagging casing 4 that pressurize slaking chamber 7 and pressurize slaking chamber 7 peripheries are provided with, lagging casing 4 is provided with steam inlet 6 and steam (vapor) outlet 13, build and press chamber 15 ports of export to link to each other with pressurize slaking chamber 7 entrance points, the port of export in pressurize slaking chamber 7 links to each other with described charging aperture through exit passageway 12; Can also be provided with control valve 8 on the exit passageway 12.
During this device work, it is modified that material at first passes through quality-adjusting device 5, build pressure through building pressure device to material then, build and press screw rod 2 to push material, material pressure is increased, temperature rises, but its curing degree is lower, after material enters ager, because lagging casing 4 is provided with steam inlet 6 and steam (vapor) outlet 13, material temperature is risen rapidly, under the internal pressure and the double action of heating, the rerum natura of material changes, protein begins sex change, starch gelatinization, cellulosic is partly degraded, and germ is killed, and material becomes pasty state very soon, its good fluidity, can be liquid or semi-fluid attitude and enter in the extrusion chamber 11 through exit passageway 12, the control valve 8 of setting can be regulated material pressure, makes the suitable pressure of maintenance in the pressurize slaking chamber 7, after material enters extrusion chamber 11, be extruded screw rod 10 and further push, temperature continues to rise, until gelatinization degree 100%, come out from discharging and cutter sweep 9 then, the pressure abrupt release, material is expanded and be cut into suitable size, because material is liquid or semi-fluid state, its wearing and tearing to extruding screw 10 and extrusion chamber 11 inwalls are all smaller, can prolong extruding screw 10, the service life of extrusion chamber 11 critical components such as grade.In the above-mentioned course of work, material is in packing state in ager, and the back material rapid aging of heating becomes pasty state, can reduce mechanical resistance rapidly, reduces the mechanical energy consumption of device.In the said process, can mend inlet 14 additional steam by steam and enter in the material, can regulate the water content of material, promote its slaking.
Contrast test:
A) utilize the single serew bulker of a prior art to carry out pilot production, obtain relevant parameter.The main motor current 160KW of prior art bulking machine, screw diameter 165mm, the draw ratio of screw rod is 13: 1, the screw arrangement zone is divided into feeding zone, rubs up the district, final slaking district;
The prescription of material sees Table one, and the material grinding fineness is 95% by 80 mesh sieves, and 99.5% crosses 60 mesh sieves, and 100% crosses 50 mesh sieves.Material at first carries out precuring in a common quality-adjusting device, the gelatinization degree of material is 45% behind the process quality-adjusting device, and material temperature is 95 ℃, and the moisture of material is 19%.
The prescription of table one material (weight content %)
Dregs of beans 27
Wheat flour 25
Wheat bran 18
The young cake of dish 27
Grease 3
Add up to 100
Material enters in the bulking machine and pushes, and the discharging nib in the discharging cutter sweep uses the 3.0mm diameter.Increase feeding capacity during production to improve main motor load, when main load-rate of motor was 95%, bulking machine output was 5.5 tons/hour as far as possible, and at this moment, the ton material power consumption of this bulking machine is 27.6kWh/t.The dilated product gelatinization degree that finally obtains is 100%, and swelling granular is full, attractive in appearance.
B) utilize the utility model technology to improve, and carry out pilot production, obtain relevant parameter at this single serew bulker.Equally, this single serew bulker, main motor current 160KW builds the input power 11Kw that presses screw rod, driving screw and the diameter 165mm that builds the pressure screw rod, the draw ratio of driving screw is 13: 1, building and pressing the draw ratio of screw rod is 2: 1.
From the quality-adjusting device charging, reach at material and to build when pressing the chamber terminal, mend inlet to the add materials steam of weight 4% of material inside by steam, material time of staying in pressurize slaking chamber is 5 minutes, pressure in this zone is 0.6Mpa, the steam pressure position 4-8Mpa in the lagging casing.All the other technological parameters are identical with A.
Increase feeding capacity during production to improve main motor load, when main motor was 95% with the input loading factor of building the pressure screw rod, the output of this device was 9.5 tons/hour as far as possible, and a ton material power consumption is 17.1kWh/t.The dilated product gelatinization degree that finally obtains is 100%, and swelling granular is full, attractive in appearance.
Comparison production test relevant parameter sees Table two
Table two production control parameter and testing result parameter
A B Change
Power of motor (kW) 160 160+11 /
The gelatinization degree of dilated product (%) 100 100 /
The output of bulking machine (T/h) 5.5 9.5 Improve 172.7%
Ton material power consumption (kWh/t) 27.6 17.1 Decline 38.04.1%
Two groups of tests of A, B are compared, and the maturing process of material is mainly finished in not needing to import " the pressurize slaking chamber " of too much mechanical energy in the utility model.The slaking of this part mainly comes from material and keep the regular hour under certain temperature and certain pressure, and energy of its outer input mainly is the cheap steam of relative worth.So, utilize the utility model, change under the little situation in mechanical energy input, reach equally at the expanded back of material gelatinization degree under 100% the prerequisite, the production capacity of bulking machine promotes 1.5~3 times, and a ton material power consumption only is the 50-70% of prior art.

Claims (3)

1, a kind of processing unit (plant) that is applicable to food, feed extrusion, comprise quality-adjusting device and extrusion chamber, be provided with extruding screw in the extrusion chamber, extrusion chamber one end is provided with charging aperture, the extrusion chamber other end is provided with discharging and cutter sweep, it is characterized in that being provided with successively between described quality-adjusting device and the extrusion chamber building pressure device and ager; The described pressure device of building comprises building the pressure screw rod and building the pressure chamber of cooperation installation, builds pressure screw rod and drive unit and is in transmission connection, and builds pressure chamber entrance point and links to each other with the quality-adjusting device port of export; Described ager comprises the lagging casing that pressurize slaking chamber and pressurize slaking chamber periphery are provided with, lagging casing is provided with steam inlet and steam (vapor) outlet, build and press the chamber port of export to link to each other with pressurize slaking chamber entrance point, the port of export in pressurize slaking chamber links to each other with described charging aperture through exit passageway.
2, the processing unit (plant) that is applicable to food, feed extrusion according to claim 1 is characterized in that the described pressure chamber of building is provided with steam benefit inlet.
3, the processing unit (plant) that is applicable to food, feed extrusion according to claim 1 and 2 is characterized in that described exit passageway is provided with control valve.
CN2009200429810U 2009-06-30 2009-06-30 Processing device applicable to food and feed extrusion Expired - Lifetime CN201426359Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200429810U CN201426359Y (en) 2009-06-30 2009-06-30 Processing device applicable to food and feed extrusion

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Application Number Priority Date Filing Date Title
CN2009200429810U CN201426359Y (en) 2009-06-30 2009-06-30 Processing device applicable to food and feed extrusion

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102160679A (en) * 2011-02-25 2011-08-24 江苏牧羊集团有限公司 Water-containing material extruding, bulking and drying device and drying method using same
CN101692928B (en) * 2009-06-30 2013-03-27 牧羊有限公司 Processing device suitable for extrusion of foods and feeds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101692928B (en) * 2009-06-30 2013-03-27 牧羊有限公司 Processing device suitable for extrusion of foods and feeds
CN102160679A (en) * 2011-02-25 2011-08-24 江苏牧羊集团有限公司 Water-containing material extruding, bulking and drying device and drying method using same

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Granted publication date: 20100324

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