CN114440580A

CN114440580A - Rice production is with rice stoving screening equipment that heat utilization rate is high

Info

Publication number: CN114440580A
Application number: CN202210047912.9A
Authority: CN
Inventors: 杨昆仑
Original assignee: Lu'an Fengshuo Rice Industry Co ltd
Current assignee: Lu'an Fengshuo Rice Industry Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-06

Abstract

The invention discloses rice drying and screening equipment with high heat utilization rate for rice production, relates to the field of rice processing, and aims to solve the problems that the existing drying equipment provided by the background technology is low in heat utilization rate and excessive rice drying is caused due to long-time rapid heating and drying. The rice drying machine can slowly convey and dry rice, screen the rice while conveying, improve the working efficiency, can apply the heat of the servo motor to the drying process, and can recycle the waste heat, thereby improving the heat utilization rate and the practicability.

Description

Rice production is with rice stoving screening equipment that heat utilization rate is high

Technical Field

The invention relates to the technical field of rice processing, in particular to rice drying and screening equipment with high heat utilization rate for rice production.

Background

The rice, also called rice, is the food made after the working procedures such as the rice is cleared up, rice hulling, rice milling, finished product arrangement, etc., the carbohydrate in the rice is about 75%, protein 7% -8%, fat 1.3% -1.8%, and contain abundant vitamin B complex, etc., the carbohydrate in the rice is mainly starch, the protein contained is mainly the glutelin, secondly it is gliadin and globulin, the biological value of its protein and composition proportion of amino acid are higher than cereal crops such as wheat, barley, millet, corn, etc., digestibility 66.8% -83.1%, it is a higher one in the cereal protein too.

In order to improve the storage life of rice, the moisture of the rice needs to be reduced, the existing method is to reduce the moisture of the rice by airing and drying, the airing way is used for carrying out dehydration treatment on the rice, the time consumption is long, the large-scale production is not facilitated, the moisture removal is not uniform, the drying way can be used for drying in a large scale at present, the working efficiency is higher, but the existing drying machine mostly adopts a heat supply source to directly heat a container containing the rice, wherein the heat supply raw materials mainly comprise coal, diesel oil, kerosene and the like, and a large amount of pollution can be generated in the drying process; the heat supply source can make the local high temperature to the container simultaneously, lead to the rice of this department to appear the phenomenon of local dewfall, a large amount of nibs appear in the rice even, thereby the quality of rice has been reduced, and heat utilization rate is low, in addition, according to research show, should avoid the rapid heating stoving for a long time when the rice is dried, can lead to the rice drying excessive like this, the dehydration is too fast, the phenomenon that the rice trunk splits appears, in order to solve current drying equipment heat utilization rate low, rapid heating stoving for a long time, lead to the excessive problem of rice drying, the rice stoving screening plant that the rice production heat utilization rate is high is provided now.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides rice drying and screening equipment with high heat utilization rate for rice production.

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

rice drying and screening equipment with high heat utilization rate for rice production comprises a bottom plate, wherein supporting plates are welded on the outer walls of two ends of the top of the bottom plate, a screening mechanism is arranged above the bottom plate and comprises a screening cylinder, a brush plate and a first discharging pipe, wherein the two ends of the screening cylinder are welded on the outer walls of the tops of the two supporting plates respectively, the two ends of the brush plate are welded on the inner walls of the upper parts of two sides of the screening cylinder respectively, the first discharging pipe is sleeved on the inner wall of the bottom of the screening cylinder, a feeding mechanism is arranged on one side of the screening cylinder and comprises an L-shaped ventilation pipe, a fan, a heating net and a first filtering plate, the ventilation pipe is sleeved on the inner wall of one side of the screening cylinder, the heating net is embedded on the inner wall of the lower part of the ventilation pipe, the heating net is embedded on the inner wall of one end of the top of the feeding pipe, the outer wall of one end, positioned in the screening cylinder, of the ventilation pipe is connected with a conveying pipe through a bearing, and the inner wall of the conveying pipe is welded with helical blades distributed at equal intervals, the conveying pipe is positioned on the outer wall of one end outside the sieving cylinder and is connected with a second discharging pipe with an L-shaped structure through a bearing, the outer wall of one end at the top of the bottom plate is welded with a fixed plate, one outer wall at one side of the top of the bottom plate is connected with a servo motor through a bolt, one outer wall at one side of the top of the bottom plate is connected with a reduction gearbox through a bolt, the output end of the reduction gearbox is connected with a rotating shaft through a coupler, one outer wall at one side of the top of the bottom plate is welded with a fixed seat, one side of the second discharging pipe is provided with a recovery mechanism, the recovery mechanism comprises a connecting pipe sleeved on the inner wall at one side of the second discharging pipe, a second filtering plate embedded on the inner wall at one end of the connecting pipe, a fan embedded on the inner wall at one end of the connecting pipe, a heat-preserving pipe sleeved on the outer wall at one end of the connecting pipe, a heat-insulating pipe, The first supporting seat is welded on the outer wall of one side of the top of the bottom plate and the second supporting seat is welded on the outer wall of one end, far away from the first supporting seat, of the top of the bottom plate.

Preferably, all fixedly connected with blotter on the four corners outer wall of bottom plate bottom, and all be equipped with the non-slip raised that the equidistance distributes on the outer wall of four blotter bottoms.

Preferably, a feed inlet is formed in the inner wall, close to the top end of the first filter plate, of the top of the ventilation pipe, and a funnel-shaped feed hopper is sleeved in the feed inlet.

Preferably, it has the installing port to open on the outer wall of screening section of thick bamboo one side, and the conveyer pipe middle part passes through the bearing and connects in the installing port, the conveyer pipe includes screening section and transport section, and opens the filtration mouth that has the equidistance to distribute on the screening section outer wall, brush board bottom overlap joint is on conveyer pipe screening section top outer wall.

Preferably, the outer wall of one side of the fixing plate is provided with a mounting hole, and the top end of the second discharge pipe is sleeved in the mounting hole.

Preferably, servo motor output shaft one end is passed through the coupling joint and is connected in the reducing gear box input, it has the fixed orifices to open on fixing base one side outer wall, and rotation axis one end passes through the bearing and connects in the fixed orifices, the belt pulley has been cup jointed on the rotation axis one end outer wall, and has cup jointed driven pulley on the conveyer pipe one end outer wall, and the belt pulley passes through the belt and forms the transmission fit with driven pulley.

Preferably, recovery pipe one end cup joints on the inner wall that ventilation pipe one side was located the fan top, and the recovery pipe is close to and installs the check valve to the double-layered on the one end outer wall of ventilation pipe, first supporting seat top cup joints on insulating tube one end outer wall, and second supporting seat top cup joints on recovery pipe one end outer wall.

The invention has the beneficial effects that:

1. the rice screening machine is provided with a screening mechanism, a feeding mechanism, a conveying pipe and spiral blades, a servo motor is started, the servo motor drives a rotating shaft to rotate after being decelerated by a reduction gearbox, the output torque of the rotating shaft is increased after the reduction gearbox decelerates, the conveying pipe can be driven to rotate, a fan and a heating net are started, rice is added into a ventilation pipe from a feeding hopper, the fan conveys heat at the heating net to the position below the feeding hopper, the rice below the feeding hopper is blown into the conveying pipe, the conveying pipe rotates to screen small-particle rice grains in the rice, the rice can be conveyed and dried slowly, the rice is screened while being conveyed, and the working efficiency is improved;

2. be provided with recovery mechanism, the fan is when rotating, in the heat transport that produces the servo motor operation enters into the ventilation pipe, hot-blast entering into the second discharging pipe behind the conveyer pipe simultaneously, in the fan will have the air transport of waste heat to carry into and carry out waste heat recycling in the ventilation pipe, can use servo motor's heat to the stoving in-process, can retrieve the recycle to the waste heat simultaneously, improved heat utilization rate and practicality.

Drawings

FIG. 1 is a schematic perspective view of a rice drying and screening apparatus with high heat utilization rate for rice production according to the present invention;

FIG. 2 is a schematic view of a back side three-dimensional structure of the rice drying and screening device with high heat utilization rate for rice production provided by the invention;

FIG. 3 is a schematic view of a cross-sectional three-dimensional structure of a feeding mechanism of the rice drying and screening device with high heat utilization rate for rice production, which is provided by the invention;

FIG. 4 is a schematic view of a three-dimensional structure of a section of a screening mechanism and a section of a conveying pipe of the rice drying and screening device with high heat utilization rate for rice production, which is provided by the invention;

fig. 5 is a schematic sectional three-dimensional structure diagram of a second discharge pipe and a connecting pipe of the rice drying and screening device with high heat utilization rate for rice production provided by the invention.

In the figure: 1 bottom plate, 2 support plates, 3 screening mechanisms, 301 screening barrels, 302 brush plates, 303 first discharging pipes, 4 feeding mechanisms, 401 ventilating pipes, 402 fans, 403 heating nets, 404 first filtering plates, 5 conveying pipes, 6 spiral blades, 7 second discharging pipes, 8 fixing plates, 9 servo motors, 10 reduction boxes, 11 rotating shafts, 12 fixing seats, 13 recovery mechanisms, 1301 connecting pipes, 1302 second filtering plates, 1303 fans, 1304 heat-insulating pipes, 1305 connecting pieces, 1306 recovery pipes, 1307 first supporting seats and 1308 second supporting seats.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Embodiment 1, referring to fig. 1-4, a rice drying and screening device with high heat utilization rate for rice production comprises a bottom plate 1, wherein supporting plates 2 are welded on the outer walls of two ends of the top of the bottom plate 1, a screening mechanism 3 is arranged above the bottom plate 1, the screening mechanism 3 comprises a screening barrel 301 with two ends of the bottom welded on the outer walls of the tops of the two supporting plates 2 respectively, a brush plate 302 with two ends welded on the inner walls of the upper parts of two sides of the screening barrel 301 respectively, and a first discharging pipe 303 sleeved on the inner wall of the bottom of the screening barrel 301, a feeding mechanism 4 is arranged on one side of the screening barrel 301, the feeding mechanism 4 comprises a ventilating pipe 401 sleeved on the inner wall of one side of the screening barrel 301 and having an L-shaped structure, a fan 402 embedded on the inner wall of the lower part of the ventilating pipe 401, a heating net 403 embedded on the inner wall of one end of the top of the feeding pipe 401, and a first filtering plate 404 embedded on the inner wall of the top of the feeding pipe 401 near the heating net 403, the ventilation pipe 401 is located and sieves on the one end outer wall in a section of thick bamboo 301 and is connected with conveyer pipe 5 through the bearing, the welding has equidistant distributed helical blade 6 on the 5 inner walls of conveyer pipe, conveyer pipe 5 is located and sieves the second discharging pipe 7 that is connected with "L" shape structure through the bearing on the outside one end outer wall of a section of thick bamboo 301, the welding has fixed plate 8 on the 1 top of bottom plate one end outer wall, there is servo motor 9 through bolted connection on the 1 top of bottom plate one side outer wall, there is reducing gear box 10 through bolted connection on the 1 top of bottom plate one side outer wall, there is rotation axis 11 reduction box 10 output through the coupling joint, the welding has fixing base 12 on the 1 top of bottom plate one side outer wall.

Further, the four corner outer walls at the bottom of the bottom plate 1 are fixedly connected with cushion pads, the outer walls at the bottom of the four cushion pads are respectively provided with anti-skid bulges distributed at equal intervals, the inner wall of the top of the ventilation pipe 401, which is close to the top end of the first filter plate 404, is provided with a feed inlet, a funnel-shaped feed hopper is sleeved in the feed inlet, the outer wall at one side of the sieving barrel 301 is provided with a mounting opening, the middle part of the conveying pipe 5 is connected in the mounting opening through a bearing, the conveying pipe 5 comprises a sieving section and a conveying section, the outer wall of the sieving section is provided with filter openings distributed at equal intervals, the bottom end of the brush plate 302 is lapped on the outer wall at the top of the sieving section of the conveying pipe 5, the outer wall at one side of the fixed plate 8 is provided with a mounting hole, the top end of the second discharging pipe 7 is sleeved in the mounting hole, one end of the output shaft of the servo motor 9 is connected to the input end of the reduction box 10 through a coupler, the outer wall at one side of the fixed seat 12, one end of the rotating shaft 11 is connected in the fixed opening through a bearing, the outer wall of one end of the rotating shaft 11 is sleeved with a belt pulley, the outer wall of one end of the conveying pipe 5 is sleeved with a driven belt pulley, and the belt pulley is in transmission fit with the driven belt pulley through a belt.

Can carry out slow transport and stoving to the rice, sieve the rice when carrying, improve work efficiency.

Embodiment 2, refer to fig. 1-2 and 5, rice production is with rice stoving screening equipment that heat utilization efficiency is high, second discharging pipe 7 one side is equipped with recovery mechanism 13, recovery mechanism 13 includes connecting pipe 1301 of cup jointing on second discharging pipe 7 one side inner wall, inlay the second filter 1302 on the one end inner wall of connecting pipe 1301, inlay the fan 1303 that inlays on the connecting pipe 1301 and is close to second filter 1302 one end inner wall, the insulating tube 1304 of cup jointing on the outer wall of connecting pipe 1301 one end, the hourglass hopper-shaped connecting piece 1305 of cup jointing on the outer wall of insulating tube 1304 one end, the recovery pipe 1306 of cup jointing on the inner wall of connecting piece 1305 one end, weld first supporting seat 1307 on the outer wall of bottom plate 1 top one side and weld second supporting seat 1308 on the outer wall of bottom plate 1 top one end far away from first supporting seat 1307.

Furthermore, one end of a recovery pipe 1306 is sleeved on the inner wall of the ventilation pipe 401 on the side located above the fan 402, a check valve is installed on the outer wall of one end, close to the ventilation pipe 401, of the recovery pipe 1306 in a butt-clamping mode, the top end of a first support seat 1307 is sleeved on the outer wall of one end of the heat preservation pipe 1304, and the top end of a second support seat 1308 is sleeved on the outer wall of one end of the recovery pipe 1306.

Can use servo motor's heat to the stoving in-process, can retrieve the waste heat simultaneously and recycle, improve heat utilization efficiency and practicality.

Start servo motor 9, servo motor 9 is after the reduction of reducing gear box 10, drive rotation axis 11 and rotate, make rotation axis 11's output torque increase after the reduction of reducing gear box 10, and then can drive conveyer pipe 5 and rotate, start fan 402 and heating net 403, add the rice in ventilation pipe 401 from the feeder hopper, fan 402 carries the heat of heating net 403 department to the feeder hopper below, blow the rice of feeder hopper below into conveyer pipe 5, conveyer pipe 5 rotates and sieves the tiny particle grain of rice in the rice, fan 402 is when rotating, in heat that produces servo motor 9 operation is carried into ventilation pipe 401, hot-blast air enters into in second discharging pipe 7 behind conveyer pipe 5 simultaneously, fan 1303 will have the air of waste heat carry in the recovery pipe 1306, and carry out waste heat recycle in ventilation pipe 401.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Rice production is with rice stoving screening equipment that heat utilization rate is high, including bottom plate (1), its characterized in that, backup pad (2) have all been welded on the both ends outer wall at bottom plate (1) top, bottom plate (1) top is equipped with screening mechanism (3), screening mechanism (3) include that the bottom both ends weld respectively in a screening section of thick bamboo (301) on two backup pad (2) top outer walls, both ends weld respectively in brush board (302) on the upper portion inner wall of a screening section of thick bamboo (301) both sides and cup joint first discharging pipe (303) on the inner wall of a screening section of thick bamboo (301) bottom, screening section of thick bamboo (301) one side is equipped with feed mechanism (4), feed mechanism (4) are including cup joint ventilation pipe (401) of "L" shape structure on the inner wall of a screening section of thick bamboo (301) one side, inlay fan (402) on ventilation pipe (401) lower part inner wall, inlay heating network (403) on inlet pipe (401) top one end inner wall and inlay in inlet pipe (401) The top is close to a first filter plate (404) on the inner wall of one end of a heating net (403), a conveying pipe (5) is connected to the outer wall of one end, located in a screening cylinder (301), of the ventilating pipe (401) through a bearing, spiral blades (6) distributed equidistantly are welded on the inner wall of the conveying pipe (5), a second discharging pipe (7) of an L-shaped structure is connected to the outer wall of one end, located outside the screening cylinder (301), of the conveying pipe (5) through a bearing, a fixing plate (8) is welded on the outer wall of one end of the top of a bottom plate (1), a servo motor (9) is connected to the outer wall of one side of the top of the bottom plate (1) through bolts, a reduction gearbox (10) is connected to the outer wall of one side of the top of the bottom plate (1) through bolts, the output end of the reduction gearbox (10) is connected with a rotating shaft (11) through a coupler, a fixing seat (12) is welded to the outer wall of one side of the top of the bottom plate (1), second discharging pipe (7) one side is equipped with retrieves mechanism (13), retrieve mechanism (13) including cup joint connecting pipe (1301) on second discharging pipe (7) one side inner wall, inlay second filter (1302) on connecting pipe (1301) one end inner wall, inlay fan (1303) on connecting pipe (1301) is close to second filter (1302) one end inner wall, cup joint insulating tube (1304) on connecting pipe (1301) one end outer wall, cup joint hourglass hopper-shaped connecting piece (1305) on insulating tube (1304) one end outer wall, cup joint recovery pipe (1306) on connecting piece (1305) one end inner wall, weld first supporting seat (1307) on bottom plate (1) top one side outer wall and weld second supporting seat (1308) on the one end outer wall of keeping away from first supporting seat (1307) at bottom plate (1) top.

2. The rice drying and screening device with high heat utilization rate for rice production as claimed in claim 1, wherein the outer walls of four corners of the bottom plate (1) are fixedly connected with cushion pads, and the outer walls of the bottoms of the four cushion pads are provided with anti-skid protrusions distributed at equal intervals.

3. The rice drying and screening device with high heat utilization rate for rice production as claimed in claim 1, wherein the top of the ventilation pipe (401) is provided with a feed inlet on the inner wall near the top end of the first filter plate (404), and a funnel-shaped feed hopper is sleeved in the feed inlet.

4. The rice drying and screening device with high heat utilization rate for rice production as claimed in claim 1, wherein a mounting opening is formed in the outer wall of one side of the screening drum (301), the middle part of the conveying pipe (5) is connected to the mounting opening through a bearing, the conveying pipe (5) comprises a screening section and a conveying section, filtering openings are formed in the outer wall of the screening section and are distributed equidistantly, and the bottom end of the brush plate (302) is lapped on the outer wall of the top of the screening section of the conveying pipe (5).

5. The rice drying and screening device with the high heat utilization rate for rice production as claimed in claim 1, wherein a mounting hole is formed in the outer wall of one side of the fixing plate (8), and the top end of the second discharging pipe (7) is sleeved in the mounting hole.

6. The rice production is with rice stoving screening equipment that heat utilization rate is high according to claim 1, characterized in that, servo motor (9) output shaft one end is passed through the coupling joint and is connected in reducing gear box (10) input, open on the outer wall of fixing base (12) one side has the fixed port, and rotation axis (11) one end passes through the bearing and connects in the fixed port, the belt pulley has been cup jointed on the outer wall of rotation axis (11) one end, and has cup jointed driven pulley on the outer wall of conveyer pipe (5) one end, and the belt pulley passes through the belt and forms the transmission cooperation with driven pulley.

7. The rice drying and screening device with the high heat utilization rate for rice production as claimed in claim 1, wherein one end of the recovery pipe (1306) is sleeved on the inner wall of the ventilation pipe (401) and located above the fan (402), a check valve is installed on the outer wall of one end, close to the ventilation pipe (401), of the recovery pipe (1306) in a clamped mode, the top end of the first supporting seat (1307) is sleeved on the outer wall of one end of the heat preservation pipe (1304), and the top end of the second supporting seat (1308) is sleeved on the outer wall of one end of the recovery pipe (1306).