CN112718110A

CN112718110A - Flour production equipment

Info

Publication number: CN112718110A
Application number: CN202011487505.7A
Authority: CN
Inventors: 杨可秀; 代永锋; 杨诗佳
Original assignee: Anhui Mengcheng Hengrui Flour Co ltd
Current assignee: Anhui Mengcheng Hengrui Flour Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-30

Abstract

The invention aims to provide flour production equipment, which comprises a box body, a drying tank, a hot air blower and a pair of grinding rollers, the box body is provided with a material accumulation cavity positioned above and a screening cavity positioned below, a grinding channel is arranged between the material accumulation cavity and the screening cavity, a feed hopper communicated with the material accumulation cavity is arranged on the side wall of the box body, a discharge pipe communicated with the screening cavity is fixedly arranged at the bottom of the box body, a pair of grinding rollers are rotatably arranged at two sides of the grinding channel, a grinding gap is formed between the two grinding rollers, a screen plate is arranged in the screening cavity in a vibrating way, the screen plate is transversely arranged and also comprises a first pipe fitting and a second pipe fitting, a throat pipe is connected between the first pipe fitting and the second pipe fitting, the pipe diameter of the throat pipe is smaller than the pipe diameters of the two pipe fittings, so that the first pipe fitting, the second pipe fitting and the throat pipe form a Venturi pipe.

Description

Flour production equipment

Technical Field

The invention relates to the field of flour production, in particular to flour production equipment.

Background

Wheat is a general name of wheat plants, is a gramineous plant widely planted in all parts of the world, originates in the middle east crescent fertile soil region, is one of the earliest crops cultivated in the world, is one of staple foods of human beings, can be ground into flour to prepare foods such as bread, steamed bread, biscuits and noodles, can be prepared into beer, alcohol and vodka or biomass fuel after fermentation, and is rich in starch, protein, fat, mineral substances, calcium, iron, thiamine, riboflavin, nicotinic acid, vitamin A, vitamin C and the like.

Wheat flour is adding man-hour, need use the wheat to carry out the crocus as the raw materials, need dry it after grinding into flour to save, and among the prior art, milling equipment mostly does not possess drying function, and rethread dedicated drying equipment dries after the crocus is accomplished, has increased the cost of intermediate processing link, and is inefficient, develops a grinding stoving integral type processing equipment and is the problem that technical staff in the field awaited attention to and solves.

Disclosure of Invention

The invention aims to provide flour production equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a flour production device comprises a box body, a drying tank, an air heater and a pair of grinding rollers, wherein the box body is provided with a material accumulation cavity positioned above and a screening cavity positioned below, a grinding channel is arranged between the material accumulation cavity and the screening cavity, a feed hopper communicated with the material accumulation cavity is arranged on the side wall of the box body, a discharging pipe communicated with the screening cavity is fixedly arranged at the bottom of the box body, the pair of grinding rollers are rotatably arranged at two sides of the grinding channel, a grinding gap is formed between the two grinding rollers, a screen plate is arranged in the screening cavity in a vibrating manner and transversely arranged, the flour production device further comprises a first pipe fitting and a second pipe fitting, a throat pipe is connected between the first pipe fitting and the second pipe fitting, the pipe diameter of the throat pipe is smaller than the pipe diameters of the two pipe fittings, so that the first pipe fitting, the second pipe fitting and the throat pipe fitting form a Venturi pipe, the hot air blower is connected with the first pipe fitting, the second pipe fitting is connected with the drying tank, the blanking pipe is connected with the throat pipe, a discharging pipe is arranged at the bottom inside the drying tank, a central column which is longitudinally arranged is fixedly installed inside the drying tank, a spiral plate is spirally arranged on the outer wall of the central column, and the spiral plate divides the drying tank into spiral flow channels.

As a further scheme of the invention: the material accumulation cavity is longitudinally and slidably provided with a pressing block, and the top of the box body is fixedly provided with a hydraulic cylinder for driving the pressing block to longitudinally slide.

As a further scheme of the invention: the top of the pressing block is provided with an inclined guide surface which inclines downwards along two sides.

As a further scheme of the invention: symmetrical fixed mounting has the U-shaped slat on the both sides inner wall in screening chamber, the opening of U-shaped slat is inwards, the both sides of otter board extend to in the U-shaped slat, and be connected with the spring between otter board and the U-shaped slat.

As a further scheme of the invention: a corrugated cover is arranged between the opening of the U-shaped batten and the screen plate, and the spring is positioned in a cavity formed by the corrugated cover and the U-shaped batten.

As a further scheme of the invention: still include spiral auger, spiral auger's top has the feed back pipe, spiral auger's bottom has the inlet pipe, the inlet pipe with the lateral wall of discharging pipe is connected, the feed back pipe with the second pipe connection, the inlet pipe rotates with the junction of discharging pipe and installs the switching-over board.

As a further scheme of the invention: the central column comprises an electric heating rod and a heat-conducting metal shell, and the heat-conducting metal shell is sleeved outside the electric heating rod.

As a further scheme of the invention: the outer surface of the grinding roller has cutting teeth.

Compared with the prior art, the invention has the beneficial effects that:

1. the drying tank is compact and novel in design, the drying tank and the grinding box body are connected through the Venturi tube, powder is conveyed through the air heater, drying operation is carried out in the conveying process, in addition, the drying tank is divided into the spiral flow channels through the central column and the spiral plate, so that the contact surface and the contact time of hot air and flour are increased, and a good drying effect is achieved;

2. the spiral auger is arranged between the discharge end and the feed end of the drying tank, and the reversing plate is rotatably arranged at the joint of the feed pipe of the spiral auger and the discharge pipe of the drying tank, so that circular drying can be realized;

3. the central column in the drying tank is set into the electric heating rod and the heat-conducting metal shell, so that the central column can be used as a heating element, hot air in the spiral flow channel is heated for the second time to ensure the heat value of the hot air, and the effect of constant heat is achieved.

Drawings

FIG. 1 is a schematic view of a flour production facility;

FIG. 2 is a schematic view of the installation of a net sheet in a flour production facility;

FIG. 3 is a schematic view of the installation of a reverser plate in a flour production facility;

in the figure: the device comprises a hydraulic cylinder 1, a feed hopper 2, an inclined guide surface 3, a pressing block 4, a material accumulation cavity 5, a grinding channel 6, a grinding roller 7, a box body 8, a U-shaped slat 9, a corrugated cover 10, a spring 11, a screening cavity 12, a screen plate 13, a discharging pipe 14, a hot air blower 15, a first pipe fitting 16, a throat pipe 17, a material return pipe 18, a second pipe fitting 19, a spiral auger 20, a feed pipe 21, a reversing plate 22, a discharging pipe 23, a drying tank 24, a central column 25, a spiral plate 26, a heat-conducting metal shell 27 and an electric heating rod 28.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1, in this embodiment, a flour production apparatus includes a box 8, a drying tank 24, an air heater 15, and a pair of grinding rollers 7, the box 8 is provided with a material accumulation chamber 5 located above and a screening chamber 12 located below, a grinding channel 6 is provided between the material accumulation chamber 5 and the screening chamber 12, a bottom chamber wall of the material accumulation chamber 5 is inclined downward toward the grinding channel 6, so that the cross section of the grinding channel 6 is funnel-shaped, which is convenient for discharging wheat, a feed hopper 2 communicated with the material accumulation chamber 5 is provided on a side wall of the box 8, a discharge pipe 14 communicated with the screening chamber 12 is fixedly installed at the bottom of the box 8, the pair of grinding rollers 7 are rotatably installed at two sides of the grinding channel 6, cutting teeth are provided on an outer surface of the grinding rollers 7, a grinding gap is formed between the two grinding rollers 7, a screen 13 is vibratably provided in the screening chamber 12, the screen plate 13 is in transmission connection with a vibration motor (not shown in the figure), the screen plate 13 is transversely arranged and further comprises a first pipe fitting 16 and a second pipe fitting 19, a throat pipe 17 is connected between the first pipe fitting 16 and the second pipe fitting 19, the pipe diameter of the throat pipe 17 is smaller than the pipe diameters of the two pipe fittings, so that the first pipe fitting 16, the second pipe fitting 19 and the throat pipe 17 form a Venturi tube, the hot air blower 15 is connected with the first pipe fitting 16, the second pipe fitting 19 is connected with the drying tank 24, the discharging pipe 14 is connected with the throat pipe 17, a discharging pipe 23 is arranged at the bottom in the drying tank 24, a longitudinally arranged central column 25 is fixedly installed in the drying tank 24, a spiral plate 26 is spirally arranged on the outer wall of the central column 25, and the spiral plate 26 divides the drying tank 24 into spiral flow channels.

In the process of processing wheat, firstly, peeled wheat is put into a material accumulation cavity 5 of a box body through a feed hopper 2, the wheat in the material accumulation cavity 5 flows to a grinding channel 6 under the action of self weight, a grinding roller 7 rotates and grinds the wheat, the wheat is ground into flour and then falls onto a screen plate 13 through a grinding gap, a vibration motor drives the screen plate 13 to vibrate and screen flour, so that large particles in the flour are screened out and retained on the screen plate 13, the flour is discharged from a discharging pipe 14, a hot air blower 15 blows hot air into a Venturi tube, the flow velocity of the hot air is increased at the throat 17 due to the diameter reduction, so that negative pressure is formed at the discharging pipe 14, the flour in the discharging pipe 14 is sucked into the throat 17 and blown into a drying tank 24 through a second pipe 19, the flour is dried and conveyed, meanwhile, the blockage of the discharging pipe 14 can be avoided, and the smooth discharging of the flour is ensured, hot air and flour are blown into the spiral flow channel in the drying tank 24 simultaneously and flow from top to bottom, so that the contact area of the flour and the hot air is increased, the drying time is prolonged, a good drying effect is achieved, and the dried flour is discharged through the discharge pipe 23.

In order to ensure the smooth grinding of wheat, a pressing block 4 is longitudinally slidably mounted in the material accumulation cavity 5, and a hydraulic cylinder 1 for driving the pressing block 4 to longitudinally slide is fixedly mounted at the top of the box body 8. The hydraulic cylinder 1 slowly extrudes the pressing block 4 downwards, so that the wheat in the material accumulation cavity 5 is compacted, and the wheat is smoothly pressed into the grinding gap for grinding. Preferably, the top of the briquette 4 has an inclined guide surface 3 inclined downward along both sides, so that the wheat can be prevented from being accumulated on the top of the briquette 4, resulting in waste of raw materials.

In order to perform secondary heating on hot air, the central column 25 comprises an electric heating rod 28 and a heat-conducting metal shell 27, the heat-conducting metal shell 27 is sleeved outside the electric heating rod 28, so that the central column 25 serves as a heating element, the hot air in the spiral flow channel is secondarily heated to ensure the heat value of the hot air, and a constant-heat effect is achieved.

Referring to fig. 2, in this embodiment, the vibrating installation manner of the screen plate 13 is specifically that U-shaped slats 9 are symmetrically and fixedly installed on the inner walls of two sides of the screening chamber 12, the openings of the U-shaped slats 9 face inward, two sides of the screen plate 13 extend into the U-shaped slats 9, and a spring 11 is connected between the screen plate 13 and the U-shaped slats 9. The opening part of U-shaped slat 9 with install ripple cover 10 between the otter board 13, spring 11 is arranged in the cavity that ripple cover 10 and U-shaped slat 9 enclose to avoid in flour gets into U-shaped slat 9, and then avoid causing the influence to spring 11.

With reference to fig. 3, in this embodiment, in order to realize the circulation drying of flour, still include spiral auger 20, spiral auger 20's top has feed back pipe 18, spiral auger 20's bottom has inlet pipe 21, inlet pipe 21 with the lateral wall of discharging pipe 23 is connected, feed back pipe 18 with second pipe fitting 19 is connected, inlet pipe 21 rotates with the junction of discharging pipe 23 and installs reversing plate 22. When flour needs to be circularly dried, the reversing plate 22 is rotated to the horizontal position, so that the pipe opening of the discharging pipe 23 is blocked, flour enters the feeding pipe 21, is lifted upwards by the spiral auger 20 and is introduced into the second pipe fitting 19 again, and is mixed with hot air for drying again, and the drying effect is further improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.

Claims

1. A flour production facility which is characterized in that: the hot air machine comprises a box body, a drying tank, a hot air machine and a pair of grinding rollers, wherein the box body is provided with a material accumulation cavity positioned above and a screening cavity positioned below, a grinding channel is arranged between the material accumulation cavity and the screening cavity, the side wall of the box body is provided with a feed hopper communicated with the material accumulation cavity, the bottom of the box body is fixedly provided with a blanking pipe communicated with the screening cavity, the pair of grinding rollers are rotatably arranged at two sides of the grinding channel, a grinding gap is formed between the two grinding rollers, a screen plate is arranged in the screening cavity in a vibrating manner and transversely arranged, the hot air machine further comprises a first pipe fitting and a second pipe fitting, a throat pipe is connected between the first pipe fitting and the second pipe fitting, the pipe diameter of the throat pipe is smaller than the pipe diameters of the two pipe fittings, so that the first pipe fitting, the second pipe fitting and the throat pipe form a Venturi pipe, and the hot air, the second pipe fitting is connected with the drying tank, the discharging pipe is connected with the throat pipe, a discharging pipe is arranged at the bottom in the drying tank, a longitudinally-arranged central column is fixedly installed in the drying tank, a spiral plate is spirally arranged on the outer wall of the central column, and the spiral plate divides the drying tank into spiral flow channels.

2. Flour production plant according to claim 1, characterized in that: the material accumulation cavity is longitudinally and slidably provided with a pressing block, and the top of the box body is fixedly provided with a hydraulic cylinder for driving the pressing block to longitudinally slide.

3. Flour production plant according to claim 2, characterized in that: the top of the pressing block is provided with an inclined guide surface which inclines downwards along two sides.

4. Flour production plant according to claim 1, characterized in that: symmetrical fixed mounting has the U-shaped slat on the both sides inner wall in screening chamber, the opening of U-shaped slat is inwards, the both sides of otter board extend to in the U-shaped slat, and be connected with the spring between otter board and the U-shaped slat.

5. Flour production plant according to claim 4, characterized in that: a corrugated cover is arranged between the opening of the U-shaped batten and the screen plate, and the spring is positioned in a cavity formed by the corrugated cover and the U-shaped batten.

6. Flour production plant according to claim 1, characterized in that: still include spiral auger, spiral auger's top has the feed back pipe, spiral auger's bottom has the inlet pipe, the inlet pipe with the lateral wall of discharging pipe is connected, the feed back pipe with the second pipe connection, the inlet pipe rotates with the junction of discharging pipe and installs the switching-over board.

7. Flour production plant according to claim 1, characterized in that: the central column comprises an electric heating rod and a heat-conducting metal shell, and the heat-conducting metal shell is sleeved outside the electric heating rod.

8. Flour production plant according to claim 1, characterized in that: the outer surface of the grinding roller has cutting teeth.