阅读说明：本技术 一种复合板生产工艺 (Composite board production process ) 是由 胡国文 张云贵 于 2020-06-01 设计创作，主要内容包括：本发明提供了一种复合板生产工艺,由搅拌装置、注胶控料装置和支撑座配合完成复合板的生产；本发明可以解决木材复合板的芯板加工处理的过程中木材碎屑与胶液混合不均匀,造成芯材在压制的过程中自然干燥后容易松散,导致板材使用后隔音效果以及保温效果较差；同时木材碎屑全部注入搅拌箱内部时搅拌棒无法上下摆动,以及胶液与木材碎屑混合极易粘附在搅拌棒上,导致搅拌棒搅拌效果较差；严重影响内部碎屑与胶液的混合等难题。(The invention provides a production process of a composite board, which is characterized in that a stirring device, a glue injection and material control device and a supporting seat are matched to complete the production of the composite board; the invention can solve the problems that wood chips and glue solution are not uniformly mixed in the core board processing process of the wood composite board, so that the core material is easy to loosen after being naturally dried in the pressing process, and the sound insulation effect and the heat preservation effect of the board are poor after the board is used; meanwhile, when all the wood chips are injected into the stirring box, the stirring rod cannot swing up and down, and the glue solution and the wood chips are mixed and easily adhered to the stirring rod, so that the stirring effect of the stirring rod is poor; the mixing of the internal scraps and the glue solution is seriously affected.)

1. A composite board production process is characterized in that: the production process of the composite board comprises the following steps:

s1, wood pretreatment: drying the wood raw material of the composite board for processing; fully controlling the moisture content and releasing stress of the wood;

s2, core plate processing: putting raw materials such as wood chips and the like into the glue injection and material control device (2), and injecting the stirred glue solution into the glue injection and material control device (2); mixing the processed raw materials and the glue solution through slow blanking, and fully stirring the mixture through a stirring device (1);

s3, pressing and forming the plate: putting dried wood into a pressing die, injecting mixed board manufacturing raw materials into the pressing die, laying wood above the mixed raw materials, and performing hot-press molding according to the installation hot-press process requirement of a hot press;

s4, naturally drying the board: placing the processed composite board in a balance adjustment room with relatively stable environment and temperature and humidity for balancing more than seven fillers; the internal stress of the composite plates is further eliminated, the water content between the composite plates is more uniform, and the size of the composite plates is more stable when the composite plates are used;

the production of the composite board in the steps of the composite board production process S1-S4 is completed by matching the stirring device (1), the glue injection and control device (2) and the supporting seat (3); wherein:

the outer wall of the lower end of the stirring device (1) is uniformly provided with supporting seats (3), and the upper end of the stirring device (1) is provided with a glue injection control device (2);

the glue injection and control device (2) comprises an outer jacket box (21), an inner jacket box (22), a glue control ring (23), an annular rack (24), a fluted disc (25), an adjusting motor (26), a glue mixing rod (27) and a material sieving unit (28); an inner jacket box (22) is arranged in the outer jacket box (21), a glue control ring (23) is arranged on the inner wall of the bottom end of the outer jacket box (21) in a sliding fit mode, a glue guide hole is formed in the glue control ring (23), and an inclined guide hole is formed in the lower end of the outer jacket box (21); an annular rack (24) is arranged on the outer wall of the lower end of the rubber control ring (23), the adjusting motor (26) is installed inside the outer sleeve box (21) through a motor base, a fluted disc (25) is installed on an output shaft of the adjusting motor (26) through a flange, and the fluted disc (25) is meshed with the annular rack (24); glue mixing rods (27) are installed on the outer wall of the upper end of the glue control ring (23), and the screening units (28) are installed on the inner wall of the lower end of the outer sleeve box (21).

2. A composite board production process according to claim 1, wherein: the stirring device (1) comprises a fixed box (11), a stirring box (12), a ring gear (13), a stirring motor (14), a stirring gear (15), a limiting block (16), a non-stick pad (17), a movable spring (10), a stirring unit (18) and a material guiding unit (19); an annular groove is formed in the inner wall of the fixed box (11), a stirring motor (14) is installed in the annular groove of the fixed box (11) through a motor base, an output shaft of the stirring motor (14) is provided with a stirring gear (15) through a coupler, and an upper end shaft head of the stirring gear (15) is installed on the inner wall of the annular groove of the fixed box (11) through a bearing; mounting grooves are uniformly formed in the inner wall of the stirring box (12), and the stirring units (18) are mounted in the mounting grooves of the stirring box (12); guide unit (19) are installed to the lower extreme of agitator tank (12), and ring gear (13) are installed to the outer wall of agitator tank (12), and stopper (16) are installed to the lower extreme of ring gear (13), stopper (16) lower extreme outer wall be provided with the ball through the swing joint mode, and stopper (16) set up in the ring channel of fixed case (11), the inner wall of agitator tank (12) evenly is provided with movable spring (10), non-stick pad (17) through be connected with movable spring (10) and install the inner wall at agitator tank (12).

3. A composite board production process according to claim 1, wherein: the screening unit (28) comprises an execution cylinder (281), a screening disc (282), a clamping disc (283), a movable disc (284), a limiting column (285) and a limiting spring (286); the clamping plate (283) is arranged on the inner wall of the lower end of the outer sleeve box (21); the upper end of the clamping disc (283) is uniformly provided with limiting columns (285) along the circumferential direction, the movable disc (284) is arranged on the limiting columns (285) in a sliding fit mode, a limiting spring (286) is sleeved on the outer wall of the limiting columns (285) between the movable disc (284) and the clamping disc (283), and the clamping disc (283) and the movable disc (284) are uniformly provided with corresponding through holes; the execution cylinder (281) is installed on the inner wall of the outer sleeve box (21), the top end of the execution cylinder (281) is connected with a sieve tray (282), and meshes are uniformly arranged in the sieve tray (282).

4. A composite board production process according to claim 2, wherein: the stirring unit (18) comprises a regulating cylinder (181), a clamping shaft (182), a regulating arm (183), a limiting rod (184), an auxiliary spring (185), a stirring chuck (186) and a stirring rod (187); the two ends of the clamping shaft (182) are respectively installed in the installation grooves of the stirring box (12) through bearings, the outer wall of the clamping shaft (182) is provided with an adjusting arm (183), a rectangular through hole is formed in the adjusting arm (183), the limiting rod (184) is installed in the rectangular through hole of the adjusting arm (183), stirring chucks (186) are uniformly arranged on the outer wall of the limiting rod (184), the outer wall of the limiting rod (184) between the adjacent stirring chucks (186) is sleeved with an auxiliary spring (185), and the outer wall of each stirring chuck (186) is provided with a stirring rod (187); adjusting cylinder (181) install in the mounting groove of agitator tank (12), and adjusting cylinder (181)'s top is connected with the outer wall of regulating arm (183) through the round pin axle.

5. A composite board production process according to claim 2, wherein: the material guiding unit (19) comprises a material guiding barrel (191), a material separating plate (192) and an expansion rod (193); the inner wall of the upper end of the guide cylinder (191) is provided with a material separating plate (192) through a pin shaft, and the outer wall of the lower end of the material separating plate (192) is connected with the top end of the telescopic rod (193) through a pin shaft; the telescopic rods (193) are symmetrically arranged on the inner wall of the material guide cylinder (191).

6. A composite board production process according to claim 1, wherein: and the glue stirring rod (27) is uniformly provided with a convex structure.

Technical Field

The invention relates to the technical field of plate production, in particular to a composite plate production process.

Background

Composite panels are generally classified into metal composite panels, wood composite panels, color steel composite panels, rock wool composite panels, and the like. The wood composite board is a core material formed by filling glue liquid between the wood boards and the wood and performing compression molding through a hot press.

The wood chips and the glue solution are not uniformly mixed in the core board processing process of the wood composite board, so that the core material is easy to loosen after being naturally dried in the pressing process, and the sound insulation effect and the heat preservation effect of the board are poor after the board is used; meanwhile, when all the wood chips are injected into the stirring box, the stirring rod cannot swing up and down, and the glue solution and the wood chips are mixed and easily adhered to the stirring rod, so that the stirring effect of the stirring rod is poor; the mixing of the internal debris and the glue is seriously affected.

In order to fully improve the full mixing of the wood chips and the glue solution; the quality of the core plate is ensured; further ensuring the installation and use effects of the composite board; the invention provides a composite board production process.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme, namely a composite board production process, which comprises the following specific steps:

s1, wood pretreatment: drying the wood raw material of the composite board for processing; fully controlling the moisture content and releasing stress of the wood;

s2, core plate processing: putting raw materials such as wood chips and the like into the glue injection and material control device, and injecting the stirred glue solution into the glue injection and material control device; mixing the processed raw materials and the glue solution by slowly blanking, and fully stirring by a stirring device;

s3, pressing and forming the plate: putting dried wood into a pressing die, injecting mixed board manufacturing raw materials into the pressing die, laying wood above the mixed raw materials, and performing hot-press molding according to the installation hot-press process requirement of a hot press;

s4, naturally drying the board: placing the processed composite board in a balance adjustment room with relatively stable environment and temperature and humidity for balancing more than seven fillers; the internal stress of the composite plates is further eliminated, the water content between the composite plates is more uniform, and the size of the composite plates is more stable when the composite plates are used;

the production of the composite board in the steps of the composite board production process S1-S4 needs to be completed by matching a stirring device, a glue injection and control device and a supporting seat; wherein:

the outer wall of the lower end of the stirring device is evenly provided with a supporting seat, and the upper end of the stirring device is provided with a glue injection control device.

The glue injection and material control device comprises an outer sleeve box, an inner sleeve box, a glue control ring, an annular rack, a fluted disc, a regulating motor, a glue mixing rod and a screening unit; an inner jacket box is arranged in the outer jacket box, a glue control ring is arranged on the inner wall of the bottom end of the outer jacket box in a sliding fit mode, a glue guide hole is formed in the glue control ring, and an inclined guide hole is formed in the lower end of the outer jacket box; the outer wall of the lower end of the rubber control ring is provided with an annular rack, the adjusting motor is installed inside the outer jacket box through a motor base, a fluted disc is installed on an output shaft of the adjusting motor through a flange, and the fluted disc and the annular rack are meshed with each other; the outer wall of the upper end of the glue control ring is provided with a glue stirring rod, and the screening unit is arranged on the inner wall of the lower end of the outer jacket box; injecting glue solution into the gap between the outer sleeve box and the inner sleeve box; when the glue guide hole on the glue control ring is communicated with the guide hole of the outer jacket box, the glue solution slowly falls into the stirring box, so that the uniform mixing of the wood chip raw material and the glue solution in the stirring box is promoted; thereby guaranteeing the later-stage plate pressing effect.

The stirring device comprises a fixed box, a stirring box, a ring gear, a stirring motor, a stirring gear, a limiting block, a non-stick pad, a movable spring, a stirring unit and a material guiding unit; the inner wall of the fixed box is provided with an annular groove, a stirring motor is arranged in the annular groove of the fixed box through a motor base, an output shaft of the stirring motor is provided with a stirring gear through a coupler, and an upper end shaft head of the stirring gear is arranged on the inner wall of the annular groove of the fixed box through a bearing; the inner wall of the stirring box is uniformly provided with mounting grooves, and the stirring units are mounted in the mounting grooves of the stirring box; the lower end of the stirring box is provided with a material guide unit, the outer wall of the stirring box is provided with a ring gear, the lower end of the ring gear is provided with a limiting block, the outer wall of the lower end of the limiting block is provided with balls in a movable connection mode, the limiting block is arranged in an annular groove of the fixed box, the inner wall of the stirring box is uniformly provided with movable springs, and the non-stick pad is connected with the movable springs and arranged on the inner wall of the stirring box; mix the mixed raw materials that fall into the agitator tank inside through the stirring unit to drive agitator tank circumferential direction through agitator motor work, make inside raw materials intensive mixing.

The material sieving unit comprises an execution cylinder, a material sieving plate, a clamping plate, a movable plate, a limiting column and a limiting spring; the clamping disc is arranged on the inner wall of the lower end of the outer sleeve box; the upper end of the clamping disc is uniformly provided with limiting columns along the circumferential direction of the clamping disc, the movable disc is arranged on the limiting columns in a sliding fit mode, a limiting spring is sleeved on the outer wall of each limiting column between the movable disc and the clamping disc, and the clamping disc and the movable disc are uniformly provided with corresponding through holes; the execution cylinder is arranged on the inner wall of the outer sleeve box, the top end of the execution cylinder is connected with a screening tray, and meshes are uniformly arranged in the screening tray; the movable disc is pressed through the continuous movement of the execution cylinder, so that the wood chips in the screening tray continuously shake and fall into the stirring box in sequence; the mixing of the wood chips and the glue solution is improved through intermittent blanking, and the mixing efficiency of the wood chips and the glue solution is improved; and the mixing effect of the glue solution and the wood chips is ensured; the core material is prevented from being loosened after being naturally dried in the pressing process, and the sound insulation effect and the heat preservation effect of the board after being used are fully guaranteed.

The stirring unit comprises an adjusting cylinder, a clamping shaft, an adjusting arm, a limiting rod, an auxiliary spring, a stirring chuck and a stirring rod; the stirring device comprises a stirring box, a clamping shaft, a limiting rod, stirring chucks, auxiliary springs and stirring rods, wherein two ends of the clamping shaft are respectively installed in installation grooves of the stirring box through bearings, an adjusting arm is installed on the outer wall of the clamping shaft, a rectangular through hole is formed in the adjusting arm, the limiting rod is installed in the rectangular through hole of the adjusting arm, the stirring chucks are evenly arranged on the outer wall of the limiting rod, the auxiliary springs are sleeved on the outer wall of the limiting rod between the adjacent stirring chucks, and the stirring rods; the adjusting cylinder is arranged in the mounting groove of the stirring box, and the top end of the adjusting cylinder is connected with the outer wall of the adjusting arm through a pin shaft; the adjusting arm is adjusted to continuously swing through continuous reciprocating work of the adjusting cylinder; continuously stirring the mixed raw materials inside through a stirring rod at the upper end; and during the stirring process; in order to prevent the mixed raw materials from being stuck on the stirring rod, the stirring chuck is continuously shaken under the action of the auxiliary spring, and the mixed raw materials are further prevented from being stuck on the stirring rod, so that the mixing effect of the mixed raw materials is ensured.

Preferably; the material guiding unit comprises a material guiding barrel, a material separating plate and a telescopic rod; the inner wall of the upper end of the guide cylinder is provided with a material separating plate through a pin shaft, and the outer wall of the lower end of the material separating plate is connected with the top end of the telescopic rod through a pin shaft; the telescopic rods are symmetrically arranged on the inner wall of the material guide cylinder; after the wood chips inside the stirring box are mixed and stirred with the glue solution, the partition plate is opened through the telescopic rod to discharge the mixed raw materials inside the stirring box.

Preferably; the glue stirring rod is uniformly provided with a convex structure; the outer wall of the glue stirring rod is arranged to be of a uniform convex structure, so that the stirring effect of the glue stirring rod on glue liquid can be improved; preventing the glue solution from coagulating.

The invention has the beneficial effects that:

the wood chips in the screening material tray continuously shake and fall into the stirring box in sequence by continuously moving the actuating cylinder to press the movable tray; the mixing of the wood chips and the glue solution is improved through intermittent blanking, and the mixing efficiency of the wood chips and the glue solution is improved; and the mixing effect of the glue solution and the wood chips is ensured; the core material is prevented from being loosened after being naturally dried in the pressing process, and the sound insulation effect and the heat preservation effect of the board after being used are fully ensured;

the adjusting arm is adjusted to continuously swing through continuous reciprocating work of the adjusting cylinder; continuously stirring the mixed raw materials inside through a stirring rod at the upper end; and during the stirring process; in order to prevent the mixed raw materials from being stuck on the stirring rod, the stirring chuck is continuously shaken under the action of the auxiliary spring, and the mixed raw materials are further prevented from being stuck on the stirring rod, so that the mixing effect of the stirring rod on the mixed raw materials is ensured;

thirdly, injecting glue solution into the gap between the outer sleeve box and the inner sleeve box; when the glue guide hole on the glue control ring is communicated with the guide hole of the outer jacket box, the glue solution slowly falls into the stirring box, so that the uniform mixing of the wood chip raw material and the glue solution in the stirring box is promoted; thereby guaranteeing the later-stage plate pressing effect.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of a composite panel production process of the present invention;

FIG. 2 is a front view of the stirring device, the glue injection and control device and the supporting seat of the present invention;

FIG. 3 is a front view position cross-sectional view of the stirring device, the glue injection and control device and the supporting seat of the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;

FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 3;

fig. 6 is a partial enlarged view of the invention at C in fig. 3.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below by combining with the specific drawings, and it is to be noted that the embodiments and the features in the embodiments can be combined with each other in the application without conflict.

As shown in fig. 1 to 6, a composite board production process specifically includes the following steps:

s1, wood pretreatment: drying the wood raw material of the composite board for processing; fully controlling the moisture content and releasing stress of the wood;

s2, core plate processing: putting raw materials such as wood chips and the like into the glue injection and material control device 2, and injecting the stirred glue solution into the glue injection and material control device 2; mixing the processed raw materials and the glue solution through slow blanking, and fully stirring the mixture through a stirring device 1;

s3, pressing and forming the plate: putting dried wood into a pressing die, injecting mixed board manufacturing raw materials into the pressing die, laying wood above the mixed raw materials, and performing hot-press molding according to the installation hot-press process requirement of a hot press;

s4, naturally drying the board: placing the processed composite board in a balance adjustment room with relatively stable environment and temperature and humidity for balancing more than seven fillers; the internal stress of the composite plates is further eliminated, the water content between the composite plates is more uniform, and the size of the composite plates is more stable when the composite plates are used;

the production of the composite board in the steps of the composite board production process S1-S4 is completed by matching the stirring device 1, the glue injection and control device 2 and the supporting seat 3; wherein:

the outer wall of the lower end of the stirring device 1 is uniformly provided with supporting seats 3, and the upper end of the stirring device 1 is provided with an adhesive injection control device 2;

the glue injection and control device 2 comprises an outer sleeve box 21, an inner sleeve box 22, a glue control ring 23, an annular rack 24, a fluted disc 25, an adjusting motor 26, a glue mixing rod 27 and a screening unit 28; an inner jacket box 22 is arranged inside the outer jacket box 21, a glue control ring 23 is arranged on the inner wall of the bottom end of the outer jacket box 21 in a sliding fit mode, a glue guide hole is formed in the glue control ring 23, and an inclined guide hole is formed in the lower end of the outer jacket box 21; an annular rack 24 is arranged on the outer wall of the lower end of the rubber control ring 23, the adjusting motor 26 is installed inside the outer jacket box 21 through a motor base, a fluted disc 25 is installed on an output shaft of the adjusting motor 26 through a flange, and the fluted disc 25 is meshed with the annular rack 24; the outer wall of the upper end of the glue control ring 23 is provided with a glue stirring rod 27, and the glue stirring rod 27 is uniformly provided with a convex structure; the outer wall of the glue stirring rod 27 is arranged to be of a uniform convex structure, so that the stirring effect of the glue stirring rod on glue liquid can be improved; preventing the glue solution from coagulating; the screening unit 28 is arranged on the inner wall of the lower end of the outer jacket box 21, and the glue solution is injected into the gap between the outer jacket box 21 and the inner jacket box 22; the glue control ring 23 is driven to rotate continuously by the adjusting motor 26, and when the glue guide hole in the glue control ring 23 is communicated with the guide hole of the outer jacket box 21, the glue solution slowly falls into the stirring box 12, so that the uniform mixing of the wood chip raw material and the glue solution in the stirring box is promoted; thereby guaranteeing the later-stage plate pressing effect.

The screening unit 28 comprises an execution cylinder 281, a screening tray 282, a clamping tray 283, a movable tray 284, a limiting column 285 and a limiting spring 286; the clamping plate 283 is arranged on the inner wall of the lower end of the outer sleeve box 21; the upper end of the clamping plate 283 is uniformly provided with limiting columns 285 along the circumferential direction, the movable plate 284 is installed on the limiting columns 285 in a sliding fit mode, a limiting spring 286 is sleeved on the outer wall of the limiting column 285 between the movable plate 284 and the clamping plate 283, and the clamping plate 283 and the movable plate 284 are uniformly provided with corresponding through holes; the execution cylinder 281 is arranged on the inner wall of the outer sleeve 21, the top end of the execution cylinder 281 is connected with a sieve tray 282, and meshes are uniformly arranged in the sieve tray 282; the movable disk 284 is pressed by the continuous movement of the execution cylinder 281, so that the wood chips in the sieve tray 282 continuously shake and fall into the stirring box 12 in sequence; the mixing of the wood chips and the glue solution is improved through intermittent blanking, and the mixing efficiency of the wood chips and the glue solution is improved; and the mixing effect of the glue solution and the wood chips is ensured; the core material is prevented from being loosened after being naturally dried in the pressing process, and the sound insulation effect and the heat preservation effect of the board after being used are fully guaranteed.

The stirring device 1 comprises a fixed box 11, a stirring box 12, a ring gear 13, a stirring motor 14, a stirring gear 15, a limiting block 16, a non-stick pad 17, a movable spring 10, a stirring unit 18 and a material guiding unit 19; an annular groove is formed in the inner wall of the fixed box 11, the stirring motor 14 is installed in the annular groove of the fixed box 11 through a motor base, an output shaft of the stirring motor 14 is provided with a stirring gear 15 through a coupler, and an upper end shaft head of the stirring gear 15 is installed on the inner wall of the annular groove of the fixed box 11 through a bearing; mounting grooves are uniformly formed in the inner wall of the stirring box 12, and the stirring units 18 are mounted in the mounting grooves of the stirring box 12; the lower end of the stirring box 12 is provided with a material guide unit 19, the outer wall of the stirring box 12 is provided with a ring gear 13, the lower end of the ring gear 13 is provided with a limiting block 16, the outer wall of the lower end of the limiting block 16 is provided with balls in a movable connection mode, the limiting block 16 is arranged in an annular groove of the fixed box 11, the inner wall of the stirring box 12 is uniformly provided with movable springs 10, and the non-stick pad 17 is connected with the movable springs 10 and arranged on the inner wall of the stirring box 12; the mixed raw material falling into the inside of the agitation tank 12 is continuously agitated by the agitation unit 18, and the agitation tank 12 is driven to rotate circumferentially by the operation of the agitation motor 14, so that the raw material inside is sufficiently mixed.

The stirring unit 18 comprises an adjusting cylinder 181, a clamping shaft 182, an adjusting arm 183, a limiting rod 184, an auxiliary spring 185, a stirring chuck 186 and a stirring rod 187; the two ends of the clamping shaft 182 are respectively installed in the installation grooves of the stirring box 12 through bearings, the outer wall of the clamping shaft 182 is provided with an adjusting arm 183, a rectangular through hole is formed in the adjusting arm 183, the limiting rod 184 is installed in the rectangular through hole of the adjusting arm 183, stirring chucks 186 are uniformly arranged on the outer wall of the limiting rod 184, an auxiliary spring 185 is sleeved on the outer wall of the limiting rod 184 positioned between the adjacent stirring chucks 186, and a stirring rod 187 is installed on the outer wall of each stirring chuck 186; the adjusting cylinder 181 is installed in the installation groove of the stirring box 12, and the top end of the adjusting cylinder 181 is connected with the outer wall of the adjusting arm 183 through a pin shaft; the adjusting arm 183 continuously swings through the continuous reciprocating work of the adjusting cylinder 181; continuously stirring the mixed raw material inside by a stirring rod 187 at the upper end; and during the stirring process; in order to prevent the mixed raw material from sticking to the agitating bar 187, the agitating chuck 186 is continuously shaken by the auxiliary spring 185, and the mixed raw material is further prevented from sticking to the agitating bar 187, thereby ensuring the mixing effect of the mixed raw material.

The material guiding unit 19 comprises a material guiding cylinder 191, a material separating plate 192 and an expansion rod 193; the inner wall of the upper end of the guide cylinder 191 is provided with a material separating plate 192 through a pin shaft, and the outer wall of the lower end of the material separating plate 192 is connected with the top end of the telescopic rod 193 through a pin shaft; the telescopic rods 193 are symmetrically arranged on the inner wall of the material guide cylinder 191; after the wood chips inside the stirring tank 12 are mixed and stirred with the glue solution, the partition plate 192 is opened by the telescopic rod 193 to discharge the mixed raw materials inside the stirring tank 12.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.