CN110326735B - Residue-free curing device and curing method of materials - Google Patents
Residue-free curing device and curing method of materials Download PDFInfo
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- CN110326735B CN110326735B CN201910748677.6A CN201910748677A CN110326735B CN 110326735 B CN110326735 B CN 110326735B CN 201910748677 A CN201910748677 A CN 201910748677A CN 110326735 B CN110326735 B CN 110326735B
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- 239000000463 material Substances 0.000 title claims abstract description 129
- 238000001723 curing Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 description 14
- 239000002699 waste material Substances 0.000 description 14
- 230000006872 improvement Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000109 continuous material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/13—General methods of cooking foods, e.g. by roasting or frying using water or steam
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/004—Apparatus specially adapted for preparing animal feeding-stuffs for treating by application of heat, e.g. by means of potato cookers
Abstract
The invention relates to a residue-free curing device and a curing method of materials in the food industry or the feed industry field, wherein a spiral rotor is arranged below a main rotor, the shape of the inner wall of the lower part of a shell is matched with that of the spiral rotor, the spiral rotor is in transmission connection with an auxiliary motor, one end of a discharge port is provided with a gate assembly capable of opening and closing the discharge port, the gate assembly comprises a plugboard and a plugboard driving mechanism connected with the plugboard, and the tail end of the spiral rotor corresponds to the discharge port; the invention provides a residue-free curing device, which can improve the filling degree of materials in the curing device, solve the problem of excessive materials in a head unqualified at the beginning of the startup of the curing device, and solve the problem of residue in the curing device after stopping the machine; simultaneously, the method for curing the materials can avoid the problem of excessive materials of unqualified mechanisms, improve the fullness, avoid the problem of residues in the shell and improve the working efficiency.
Description
Technical Field
The invention relates to a curing device for curing materials by using a heat transfer medium and a curing method of the materials, which belong to the field of food industry or feed industry.
Background
In the prior art, before processing, raw materials in the food industry or the feed industry are generally crushed to a certain fineness by a crushing device, then enter a curing device for curing, and finally enter a forming device for processing and forming after curing.
The purpose of the raw materials with certain fineness entering into curing equipment is to increase the curing degree of the materials, so as to facilitate the subsequent better processing and forming; only if the raw materials reach a good curing degree, the subsequent molded products can obtain better quality and higher production efficiency.
At present, curing equipment generally comprises a barrel, a main rotor, a steam water adding interface, a transmission device and other 4 parts, wherein the barrel comprises a feed inlet at the upper part and a discharge outlet at the other side at the lower part; the main rotor is provided with a plurality of propelling blades with different installation angles; the steam water adding interface is generally close to one side of the feed inlet, and the adding amount of steam and water can be freely controlled; the transmission device can enable the main rotor to rotate at a certain speed, ensures that materials and steam and water can be uniformly mixed, and can push the materials to move from the feed inlet to the discharge outlet.
Some designs use two or more layers of curing devices to achieve better pre-curing effect, and the main purpose is to prolong the curing time of the materials; biaxial curing devices have also been used, primarily to increase mixing of materials, while having a relatively long curing time.
One of the biggest problems in the prior art is that the residue of the material in the barrel is relatively large, and because the propelling blades in the barrel are discontinuous and a certain gap is required to be reserved between the propelling blades and the barrel, a lot of material remains in the barrel at each stop.
When changing the raw material formulation, the producer has to spend a long time for cleaning or cleaning the former raw material by using a new raw material in order to avoid cross contamination of the former raw material, which results in a waste of more raw materials, and for a production line of 5-8 t/h, the cross contamination raw materials are generally more than 300 kg per time when the formulation is changed.
The second major problem of the existing curing technology is that every time the production process is completed, the process is longer from the start of curing equipment to the stable operation, and can enter the next process, generally 3-5 minutes, and the curing equipment for 3-5 minutes continuously generates unqualified raw materials, and the unqualified products need to be manually treated because the unqualified products cannot enter the next process; often, because the equipment is started every time, the unqualified raw materials reach 200-300 kg, and the raw materials contain a certain temperature and higher moisture; this presents difficulties for manual handling.
Aiming at solving the second problem, some companies also propose self solutions; for example, joe Kearns, U.S. Pat. No. 3,29 reports titled Interactions of Extrusion and Ingredients for Aquatic Feeds to the forum of Mangu AQUAFFEED HORIZONS, thailand, which reports suggest the installation of a pneumatic gate Pneumatic Slide Gate "at the outlet of curing equipment.
The implementation of the scheme is as follows: a pneumatic gate is connected below a discharging hole of the curing equipment; when the curing device starts to operate, closing the pneumatic gate, and opening the pneumatic gate after the materials in the curing device are qualified; the problem of disqualified material waste can be avoided like this, but this scheme also has certain not enough, for example pneumatic gate in the opening moment, there is the uniform raw materials of group dress that does not cure between pneumatic gate and the propulsion paddle can get into in the next process, and in addition pneumatic gate opens the moment can get into in the next process than the material that normal flow is big enough, and these all can bring unstable problem for the next process.
Disclosure of Invention
The invention aims to provide a residue-free curing device, which can improve the filling degree of materials in the curing device, solve the problem of excessive unqualified machine head materials at the beginning of starting up the curing device, and solve the problem of stopping the machine to enable the interior of the curing device to remain.
The purpose of the invention is realized in the following way: the utility model provides a no remain curing ware, contains the casing, and the one end of casing is provided with the feed inlet, and the other end of casing is provided with the discharge gate, and the inside of casing is provided with main rotor, installs a plurality of propulsion paddles on the main rotor, main rotor is connected with main motor transmission, the cooperation is provided with ventilative mouth on the casing, still is provided with water adding interface and steam interface on the casing; the automatic feeding device is characterized in that a spiral rotor is arranged below the main rotor, the shape of the inner wall of the lower part of the shell is matched with that of the spiral rotor, the spiral rotor is in transmission connection with an auxiliary motor, a gate assembly capable of opening and closing a discharge hole is arranged at one end of the discharge hole, the gate assembly comprises a plugboard and a plugboard driving mechanism connected with the plugboard, and the tail end of the spiral rotor corresponds to the discharge hole.
When the device works, the problem of excessive unqualified machine head materials is needed to be solved at the beginning of starting up of the curing device in the initial working stage, and the method comprises the following steps: closing a discharge hole of the curing device, starting a main rotor, starting a spiral rotor, opening a feed hole, feeding towards the feed hole, and simultaneously introducing steam and water into the curing device; continuously feeding the materials into a curing device, stirring and mixing the materials under the action of a propelling blade, and pushing the materials to the direction of a discharge hole; the spiral shaft at the bottom drives the spiral blade to be in a reverse direction, namely the spiral rotor pushes the material to be conveyed to the feed inlet; the curing device is changed from continuous material treatment equipment into mixing equipment, so that the fullness of the materials in the curing device is also improved; when the temperature and the moisture are qualified and the discharge standard is reached, starting subsequent equipment, opening a gate assembly, and enabling qualified materials in the curing device to flow out from a discharge hole and enter the next working procedure; the materials entering the next working procedure belong to materials with qualified moisture and temperature, so that the waste of inorganic head materials can be realized.
The intermediate working stage for the purpose of increasing the degree of filling of the maturing device comprises: the curing device is kept to continuously feed, continuously cure and continuously discharge at the discharge port, the main rotor is pushed forward, and the spiral rotor is pushed backward; according to the requirements of material characteristics, the adjustment of the fullness of the material in the curing device is realized by adjusting the rotation speed difference between the main rotor and the spiral rotor.
In order to reduce the residual problem in the shutdown working stage, the shutdown working stage comprises stopping feeding, closing steam and water, and pushing residual materials to a discharge hole by a spiral rotor until the materials are emptied; through reasonable setting of the rotating speed of the spiral rotor, continuous and stable pushing of the materials to the next procedure can be realized, so that excessive materials are prevented from remaining in the shell, and meanwhile, qualified finished products can be obtained by the partial materials.
The invention has the beneficial effects that the filling degree of the materials in the curing device can be improved, the problem of excessive materials in the head of the curing device which is unqualified at the beginning of starting up is solved, and the problem of residual materials in the curing device caused by stopping the machine is also solved.
As a further improvement of the invention, the residual materials below the adjacent rotors are thoroughly removed; the main rotor in the shell is provided with more than one, the propelling paddles on the adjacent main rotors are arranged in a coupling way, and the spiral rotor is arranged below the space between the adjacent main rotors.
As a further improvement of the invention, the invention aims to ensure that the residual materials at the lower part in the shell are thoroughly cleaned out, thereby avoiding more residues; the main rotor in the shell is provided with one screw rotor which is directly arranged at the position below the main rotor.
As a further improvement of the invention, the spiral shaft drives the spiral blade to rapidly transport the materials; the spiral rotor comprises a spiral shaft and spiral blades matched with the spiral shaft, and the spiral blades are continuously arranged or partially arranged on the spiral shaft.
As a further improvement of the invention, the material is convenient to enter and discharge for ensuring the equipment; the feed inlet is arranged at the upper part of one end of the shell, and the discharge outlet is arranged at the lower part of the other end of the shell.
The invention also aims to provide a material curing method, by which the problem of excessive material of a disqualified mechanism can be avoided, the fullness is improved, the problem of residual inside a shell is avoided, and the working efficiency is improved.
Another object of the present invention is achieved by:
the material head is reduced, the fullness of the material in the curing device is increased, and no residual discharging is realized by the same-direction rotation or reverse rotation between the main rotor and the spiral rotor in the curing device; the corresponding working stages of the curing device comprise an initial working stage, an intermediate working stage and a stopping working stage.
In operation of a further object of the present invention,
the initial working stage needs to solve the problem of excessive unqualified machine head materials at the beginning of the startup of the curing device, and comprises the following steps:
closing a discharge hole of the curing device, starting a main rotor, starting a spiral rotor, opening a feed hole, feeding towards the feed hole, and simultaneously introducing steam and water into the curing device;
continuously feeding the materials into a curing device, stirring and mixing the materials under the action of a propelling blade, and pushing the materials to the direction of a discharge hole;
the spiral shaft at the bottom drives the spiral blade to be in a reverse direction, namely the spiral rotor pushes the material to be conveyed to the feed inlet; the curing device is changed from continuous material treatment equipment into mixing equipment, so that the fullness of the materials in the curing device is also improved;
when the temperature and the moisture are qualified and the discharge standard is reached, starting subsequent equipment, opening a gate assembly, and enabling qualified materials in the curing device to flow out from a discharge hole and enter the next working procedure; the materials entering the next working procedure belong to materials with qualified moisture and temperature, so that the waste of inorganic head materials can be realized;
the intermediate working stage for the purpose of increasing the degree of filling of the maturing vessel comprises:
the curing device is kept to continuously feed, continuously cure and continuously discharge at the discharge port, the main rotor is pushed forward, and the spiral rotor is pushed backward;
according to the requirements of material characteristics, the fullness of the material in the curing device is adjusted by adjusting the rotation speed difference between the main rotor and the spiral rotor;
in order to reduce the residual problems during the shutdown phase, the method comprises
Stopping feeding, closing steam and water, and pushing the residual materials to move to a discharge hole by a spiral rotor until the materials are emptied; through reasonable setting of the rotating speed of the spiral rotor, continuous and stable pushing of the materials to the next procedure can be realized, so that excessive materials are prevented from remaining in the shell, and meanwhile, qualified finished products can be obtained by the partial materials.
The method has the advantages that the problem of excessive material of the unqualified mechanism can be avoided, the fullness is improved, the problem of residual inside the shell is avoided, and the working efficiency is improved.
As a further improvement of the invention, the problem of excessive head materials of unqualified machine heads in the initial stage is solved; the initial working phase comprises:
step one, closing a discharge hole of a curing device, starting a main rotor, starting a spiral rotor, opening a feed hole, feeding towards the feed hole, and simultaneously introducing steam and water into the curing device;
continuously feeding the materials into a curing device, stirring and mixing the materials under the action of a propelling blade, and pushing the materials to the direction of a discharge hole;
step three, the screw shaft at the bottom drives the screw blade to be in a reverse direction, namely the screw rotor pushes the material to be conveyed to the feed inlet;
and fourthly, when the temperature and the water content are qualified and the discharge standard is reached, starting subsequent equipment, opening a gate assembly, and enabling qualified materials in the curing device to flow out from a discharge hole and enter the next working procedure.
As a further improvement of the invention, the material in the middle working stage has higher fullness in the curing device; the intermediate working phase comprises:
step one, keeping the curing device to continuously feed, continuously cure and continuously discharge at a discharge hole, wherein a main rotor performs forward propulsion, and a spiral rotor performs reverse propulsion;
and step two, according to the requirements of material characteristics, adjusting the fullness of the material in the curing device by adjusting the rotation speed difference between the main rotor and the spiral rotor.
As a further improvement of the invention, in order to ensure that less residue remains in the curing device shell after shutdown, the invention is convenient for operators to clean and avoids the waste of materials; the shutdown phase comprises
Stopping feeding, closing steam and water, and pushing the residual materials to move to a discharge hole by a spiral rotor until the materials are emptied.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Figure 3 is a top view of the present invention.
Fig. 4 is a rear view of the present invention.
Fig. 5 is a cross-sectional view of the present invention.
Fig. 6 is a second cross-sectional view of the present invention.
The device comprises a shell body 1, a feed inlet 2, a discharge outlet 3, a gate assembly 4, a ventilation port 5, a propulsion blade 6, a spiral rotor 7, an auxiliary motor 8, a main motor 9, a main rotor 10, an inserting plate 11, an inserting plate 12 driving mechanism, a spiral shaft 13 and a spiral blade 14.
Detailed Description
Example 1
The purpose of the invention is realized in the following way: the utility model provides a no remain curing ware, contains casing 1, and the one end of casing 1 is provided with feed inlet 2, and the other end of casing 1 is provided with discharge gate 3, and the inside of casing 1 is provided with main rotor 10, installs a plurality of propulsion paddle 6 on the main rotor 10, main rotor 10 is connected with main motor 9 transmission, the cooperation is provided with ventilative mouth 5 on the casing 1, still is provided with water adding interface and steam interface on the casing 1; the lower part of the main rotor 10 is provided with a spiral rotor 7, the shape of the inner wall of the lower part of the shell 1 is matched with that of the spiral rotor 7, the spiral rotor 7 is in transmission connection with an auxiliary motor 8, one end of the discharge port 3 is provided with a gate assembly 4 capable of opening and closing the discharge port 3, the gate assembly 4 comprises a plugboard 11 and a plugboard driving mechanism 12 connected with the plugboard 11, and the tail end of the spiral rotor 7 corresponds to the discharge port 3.
The main rotor 10 in the shell 1 is provided with more than one, the propelling blades 6 on the adjacent main rotors 10 are coupled, and the spiral rotor 7 is arranged below the space between the adjacent main rotors 10.
The main rotor 10 in the housing 1 is provided with one screw rotor 7 mounted directly at a position below the main rotor 10.
The screw rotor 7 includes a screw shaft 13, and screw blades 14 provided in cooperation with the screw shaft 13, the screw blades 14 being continuously provided or partially provided on the screw shaft 13.
The feeding port 2 is arranged at the upper part of one end of the shell 1, and the discharging port 3 is arranged at the lower part of the other end of the shell 1.
When the device works, the problem of excessive unqualified machine head materials is needed to be solved at the beginning of starting up of the curing device in the initial working stage, and the method comprises the following steps: closing a discharge hole 3 of the curing device, starting a main rotor 10, starting a spiral rotor 7, opening a feed hole 2, feeding towards the feed hole 2, and simultaneously introducing steam and water into the curing device; continuously feeding the materials into a curing device, stirring and mixing the materials under the action of a propelling blade 6, and pushing the materials to the direction of a discharge hole 3; the screw shaft 13 at the bottom drives the screw blade 14 to rotate reversely, namely the screw rotor 7 pushes the material to be conveyed to the feed inlet 2; the curing device is changed from continuous material treatment equipment into mixing equipment, so that the fullness of the materials in the curing device is also improved; when the temperature and the moisture are qualified and the discharge standard is reached, starting subsequent equipment, opening a gate assembly 4, and enabling qualified materials in the curing device to flow out from a discharge hole 3 and enter the next working procedure; the materials entering the next working procedure belong to materials with qualified moisture and temperature, so that the waste of inorganic head materials can be realized.
The intermediate working stage for the purpose of increasing the degree of filling of the maturing vessel comprises: the curing device is kept to continuously feed, continuously cure and continuously discharge the materials from the discharge port 3, the main rotor 10 is pushed forward, and the spiral rotor 7 is pushed backward; according to the requirements of material characteristics, the adjustment of the fullness of the material in the curing device is realized by adjusting the rotation speed difference between the main rotor 10 and the spiral rotor 7.
In order to reduce the residual problem in the stop working stage, the feeding is stopped, steam and water are closed, and the spiral rotor 7 pushes residual materials to move towards the discharge hole 3 until the materials are emptied; through reasonable setting of the rotating speed of the spiral rotor 7, continuous and stable pushing of the materials to the next procedure can be realized, so that excessive materials are prevented from remaining in the shell 1, and meanwhile, qualified finished products can be obtained by the partial materials.
Example two
Another object of the present invention is achieved by:
the material head is reduced, the fullness of the material in the curing device is increased and no residual discharging is realized by the same-direction rotation or reverse rotation between the main rotor 10 and the spiral rotor 7 in the curing device; the corresponding working stages of the curing device comprise an initial working stage, an intermediate working stage and a stopping working stage.
The initial working phase comprises:
step one, closing a discharge port 3 of the curing device, starting a main rotor 10, starting a spiral rotor 7, opening a feed port 2, feeding towards the feed port 2, and simultaneously introducing steam and water into the curing device;
step two, continuously feeding the materials into a curing device, stirring and mixing the materials under the action of a propelling blade 6, and pushing the materials to the direction of a discharge hole 3;
step three, the screw shaft 13 at the bottom drives the screw blade 14 to be in a reverse direction, namely the screw rotor 7 pushes the material to be conveyed to the feed inlet 2;
and fourthly, when the temperature and the moisture are qualified and the discharge standard is reached, starting subsequent equipment, opening the gate assembly 4, and enabling qualified materials in the curing device to flow out from the discharge hole 3 and enter the next working procedure.
The intermediate working phase comprises:
step one, keeping the curing device to continuously feed, continuously cure and continuously discharge the material from the material outlet 3, wherein the main rotor 10 performs forward propulsion, and the spiral rotor 7 performs reverse propulsion;
and step two, according to the requirements of material characteristics, the adjustment of the fullness of the material in the curing device is realized by adjusting the rotation speed difference between the main rotor 10 and the spiral rotor 7.
The shutdown working phase comprises
Step one, stopping feeding, closing steam and water, and pushing residual materials to the discharge hole 3 by the spiral rotor 7 until the materials are emptied.
When the method is used for processing aquatic feeds, the formula of the floating aquatic feeds of the common freshwater fish feed is adopted for testing; the curing vessel using the technique of the present invention was compared with the curing vessel of the prior art, and the throughput of both curing vessels was 8T/H.
Firstly, comparing the weight of waste materials generated in the starting process of a curing device; comparing the total detection times of 3 times; with the prior art, since the curing temperature was slowly increased and the rate of increase was the same, the amount of waste generated was almost uniform when the temperature reached steady state for about 3 times, 250kg,290kg and 270kg for 3 tests, respectively. Average 270kg;
for the technology of the invention, the first test is that the condition of the moisture in the curing device is not clear, the plugboard 11113 is opened by manual interference, and the sample is taken to detect whether the moisture reaches the standard; after 3 times, confirming that the standard is reached; the equipment enters a stable running state; each sampling test produces 20 kg of waste; producing 60 kg of waste material in total; the second detection has some experience, and only 2 times of detection is carried out, so that 40 kg of waste materials are generated because the moisture of the materials reaches the standard; the third detection has more experience, and the water content reaches the standard after one detection, so only 20 kg of waste materials are generated; the average amount of waste produced is 40 kg; in future production, the waste material is 20 kg in each time under normal conditions; therefore, after the technology is applied, the performance is greatly improved, the reject head material is reduced from 270kg to 40 kg, and the reject head material is reduced by 85.2%.
Secondly, comparing the residual quantity of the materials in the curing device after shutdown; in the method for detecting the residual quantity, after the equipment is stopped and stabilized, all the raw materials participating in mixing in the shell 11 are cleaned manually and collected to obtain data; comparing the total detection times of 3 times; the average value of 3 times in the prior art is 185 kg, and the average amount of residual materials is 30 kg by applying the technology of the invention; therefore, the performance of the invention is greatly improved and reduced by 83.8% after the technology is applied aiming at the residual problem.
From the comparison of the tested data, it can be concluded that: the novel curing device applied to the technology can greatly reduce the generation of unqualified materials at the beginning of startup; meanwhile, the residue of materials in the curing device can be greatly reduced.
The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.
Claims (1)
1. A material curing method is characterized in that: the curing method is that the material head is reduced, the fullness of the material in the curing device is increased and no residual discharging is realized by the same-direction rotation or reverse rotation between the main rotor and the spiral rotor in the curing device; correspondingly comprises an initial working stage, an intermediate working stage and a shutdown working stage of the curing device;
the initial working phase comprises:
step one, closing a discharge hole of a curing device, starting a main rotor, starting a spiral rotor, opening a feed hole, feeding towards the feed hole, and simultaneously introducing steam and water into the curing device;
continuously feeding the materials into a curing device, stirring and mixing the materials under the action of a propelling blade, and pushing the materials to the direction of a discharge hole;
step three, the screw shaft at the bottom drives the screw blade to be in a reverse direction, namely the screw rotor pushes the material to be conveyed to the feed inlet;
step four, when the temperature and the water content are qualified and reach the discharge standard, starting subsequent equipment, opening a gate assembly, enabling qualified materials in the curing device to flow out from a discharge hole, and entering a next procedure;
the intermediate working phase comprises:
step one, keeping the curing device to continuously feed, continuously cure and continuously discharge at a discharge hole, wherein a main rotor performs forward propulsion, and a spiral rotor performs reverse propulsion;
step two, according to the requirements of material characteristics, adjusting the fullness of the material in the curing device by adjusting the rotation speed difference between the main rotor and the spiral rotor;
the shutdown working phase comprises the following steps:
stopping feeding, closing steam and water, and pushing the residual materials to move to a discharge hole by a spiral rotor until the materials are emptied;
the curing device comprises a shell, wherein a feed inlet is formed in one end of the shell, a discharge outlet is formed in the other end of the shell, a main rotor is arranged in the shell, a plurality of propelling blades are arranged on the main rotor, the main rotor is in transmission connection with a main motor, a ventilation port is formed in the shell in a matched mode, and a water adding interface and a steam interface are further formed in the shell; a screw rotor is arranged below the main rotor, the shape of the inner wall of the lower part of the shell is matched with that of the screw rotor, the screw rotor is in transmission connection with an auxiliary motor, a gate assembly capable of opening and closing a discharge hole is arranged at one end of the discharge hole, the gate assembly comprises a plugboard and a plugboard driving mechanism connected with the plugboard, and the tail end of the screw rotor corresponds to the discharge hole; the main rotor in the shell is provided with more than one propulsion blade, the propulsion blades on the adjacent main rotors are coupled, and the spiral rotor is arranged below the space between the adjacent main rotors; the main rotor in the shell is provided with one spiral rotor which is directly arranged at the position below the main rotor; the spiral rotor comprises a spiral shaft and spiral blades matched with the spiral shaft, and the spiral blades are continuously arranged or partially arranged on the spiral shaft; the feed inlet is arranged at the upper part of one end of the shell, and the discharge outlet is arranged at the lower part of the other end of the shell.
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