CN216260921U

CN216260921U - Efficient rice processing system for rice hull carbon-heat co-production

Info

Publication number: CN216260921U
Application number: CN202122323811.3U
Authority: CN
Inventors: 孙志刚; 李超; 张耀辉; 杨开; 谢亮; 李同欢; 宫晓波; 於积林; 何国健
Original assignee: Nanjing Nanguo Power Equipment Co ltd; Yihai Taizhou Oils and Grains Industries Co Ltd
Current assignee: Nanjing Nanguo Power Equipment Co ltd; Yihai Taizhou Oils and Grains Industries Co Ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-12
Anticipated expiration: 2031-09-26

Abstract

The utility model provides a rice husk charcoal-heat co-production efficient rice processing system, which comprises: rice hulling device, rice hulling device separates into brown rice and rice husk with the rice, still includes: the processing production line of the brown rice is provided with a rice hull pyrolysis device, the rice hull pyrolysis device is used for processing the rice hulls into rice hull carbon, the processing production line of the brown rice is provided with a rice milling device, a color sorting device, a polishing device and a finished product packaging line, the brown rice is processed into loose rice and rice bran through the rice milling device, the loose rice is processed into polished rice after sequentially passing through the color sorting device and the polishing device, and the finished product packaging line is used for standard package packaging of the polished rice. According to the utility model, rice is separated into brown rice and rice hulls through the rice threshing device, the brown rice processing production line and the rice hull processing production line are arranged to process the brown rice and the rice hulls respectively, the rice hulls are processed into rice hull carbon by the rice hull pyrolysis device, the agricultural products are deeply processed, and resource waste and environmental pollution are avoided.

Description

Efficient rice processing system for rice hull carbon-heat co-production

Technical Field

The utility model relates to the field of deep processing of agricultural products, in particular to a rice hull charcoal-heat co-production efficient rice processing system.

Background

At present, a large amount of rice hulls are generated in the production process of rice processing systems in various places, and besides a small part of the rice hulls are crushed to be used as feed, most of the rice hulls are not effectively utilized and are often transported away for burning, so that resource waste is caused, and environmental pollution is also caused.

The patent with the patent number of 'CN 200510037268.3' discloses a method for rice hull treatment of a rice processing system, and through processing the rice hulls into rice hull blocks, the rice hull blocks are convenient to store and transport, and resource loss and annular pollution caused by direct burning are avoided.

Disclosure of Invention

To solve the above problems in the background art, the present invention provides a rice husk char-thermal cogeneration efficient rice processing system, comprising: rice hulling device, rice hulling device separates into brown rice and rice husk, be equipped with brown rice discharge device, rice husk discharge device on the rice hulling device, still include: the processing production line of the brown rice and the rice hull is characterized by comprising a brown rice processing production line and a rice hull processing production line, wherein a rice hull pyrolysis device is arranged on the rice hull processing production line, a rice hull bin and a spiral feeding device are arranged on the rice hull pyrolysis device, the rice hull bin is connected with a rice hull discharging device, two ends of the spiral feeding device are respectively connected with the rice hull bin and the rice hull pyrolysis device, the rice hull is processed and prepared into rice hull carbon by the rice hull pyrolysis device, a rice milling device, a color sorting device, a polishing device and a finished product packaging line are arranged on the brown rice processing production line, the brown rice is subjected to rice scattering and rice bran through the rice milling device, the scattered rice is subjected to color sorting device and polishing device in sequence to obtain polished rice, and the finished product packaging line is used for carrying out standard package packaging on the polished rice.

Further, still be equipped with exhaust-heat boiler, flue gas processing system on the rice husk processing production line, the last thermal storage oxidizing chamber that is equipped with of exhaust-heat boiler, tail gas exhaust flue, the thermal storage oxidizing chamber pass through the connecting pipe with the top of rice husk pyrolysis device links to each other, tail gas exhaust flue with flue gas processing system links to each other.

Further, the waste heat boiler includes: the denitration device comprises a first hearth, a second hearth and a third hearth, wherein the first hearth, the second hearth and the third hearth are arranged side by side and are in an end-to-end S-shaped structure, a denitration spray gun is installed in the first hearth, a convection evaporator is installed in the second hearth, a denitration catalyst is installed in the third hearth, a heat storage oxidation chamber is installed at the end part of the first hearth, and a tail gas exhaust flue is installed at the tail part of the third hearth.

Further, the method also comprises the following steps: the air heater, air heater installs on the tail gas exhaust flue, air heater utilizes exhaust gas temperature to give the boiler air supply heating, air heater's air side outlet end is equipped with two branch pipelines, and two branch pipelines are connected to respectively on rice husk pyrolysis device, the heat accumulation oxidizing chamber.

Further, the flue gas treatment system comprises: the tail gas exhaust flue comprises a dry desulfurization tower, a bag-type dust remover and a chimney, wherein the bottom of the dry desulfurization tower is communicated with the end part of the tail gas exhaust flue, and two ends of the bag-type dust remover are respectively connected with the top of the dry desulfurization tower and the bottom of the chimney.

Further, the method also comprises the following steps: puffing system, leaching system, refining system, rice bran experience puffing system, leaching system, refining system in proper order and prepare into refined rice oil.

Compared with the prior art, the utility model provides the efficient rice processing system of the rice hull carbon-heat co-production device, which has the following beneficial effects:

1. according to the rice hull carbon heat co-production efficient rice processing system, rice is separated into brown rice and rice hulls through the rice threshing device, the brown rice processing production line and the rice hull processing production line are arranged, the brown rice and the rice hulls are processed respectively, the rice hulls are processed and prepared into rice hull carbon through the rice hull pyrolysis device, agricultural products are deeply processed, and resource waste and environmental pollution are avoided.

2. The brown rice is processed into finished products through the separating device, and meanwhile, the puffing system, the leaching system and the refining system are arranged to process the byproduct rice bran to produce rice oil, so that the agricultural products are deeply processed, and the product utilization rate is improved.

Drawings

Fig. 1 is a schematic structural diagram of a rice husk charcoal thermal cogeneration efficient rice processing system.

FIG. 2 is a flow chart of a rice husk char thermal co-production efficient rice processing system.

Wherein: 1-rice hulling device; 101-rice hull discharging device; 102-brown rice discharge device; 2-a rice milling device; 3-a color selection device; 4-a polishing device; 5-finished product packaging line; 6-rice hull bin; 7-a spiral feeding device; 8-a rice hull pyrolysis device; 9-a regenerative oxidation chamber; 10-a first hearth; 11-a second hearth; 12-a third hearth; 13-convection evaporator; 14-a dry desulfurization tower; 15-bag dust collector; 16-a chimney; 17-an air preheater; 18-a bulking system; 19-a leaching system; 20-refining system.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present invention provides a rice husk char-thermal cogeneration rice processing system, comprising: rice hulling device 1, rice hulling device 1 separates the rice into brown rice and rice husk, is equipped with brown rice discharge device 102, rice husk discharge device 101 on the rice hulling device 1, still includes: brown rice processing lines, rice husk processing lines, be equipped with rice husk pyrolysis device 8 on the rice husk processing lines, be equipped with rice husk storehouse 6 on the rice husk pyrolysis device 8, spiral feeder 7, rice husk storehouse 6 links to each other with rice husk row hopper 101, spiral feeder 7's both ends respectively with rice husk storehouse 6, rice husk pyrolysis device 8 links to each other, utilize rice husk pyrolysis device to process the rice husk into rice husk charcoal, be equipped with husk rice device 2 on the brown rice processing lines, look selection device 3, burnishing device 4, finished product packaging line 5, brown rice obtains scattered rice and rice bran through husk rice device 2, scattered rice obtains the polished rice after look selection device 3 and burnishing device 4 in proper order, finished product packaging line 5 carries out the standard package packing with the polished rice. According to the utility model, the rice is separated into the brown rice and the rice hulls through the rice hulling device, the brown rice processing production line and the rice hull processing production line are arranged to process the brown rice and the rice hulls respectively, the rice hulls are processed into the rice hull carbon by the rice hull pyrolysis device, the agricultural products are deeply processed, and resource waste and environmental pollution are avoided.

The working principle of the rice hull pyrolysis device 8 is that rice hulls are pyrolyzed at a certain temperature, separated volatile matters and incompletely combusted particulate matters are discharged through a chimney at the tail part, and the remainder is rice hull carbon. The rice hull carbon production process belongs to incomplete combustion, smoke of the rice hull carbon production process contains a large number of volatile components (mainly CO, H2 and CH 4) and incomplete combustion particles, in order to recycle the smoke generated in a rice hull pyrolysis device 8 and reduce environmental pollution, a waste heat boiler and a smoke treatment system are further arranged on a rice hull processing production line, a heat storage oxidation chamber 9 is arranged on the waste heat boiler, a tail gas exhaust flue is arranged on the waste heat boiler, the heat storage oxidation chamber 9 is connected with the top of the rice hull pyrolysis device 8 through a connecting pipe, and the tail gas exhaust flue is connected with the smoke treatment system. Specifically, the waste heat boiler of the present invention comprises: first furnace 10, second furnace 11, third furnace 12, first furnace 10, second furnace 11, third furnace 12 set up side by side and end to end S-shaped structure, install the denitration spray gun in the first furnace 10, install convection current evaporimeter 13 in the second furnace 11, install the denitration catalyst in the third furnace 12, the tip at first furnace 10 is installed to heat accumulation oxidizing chamber 9, the tail gas discharge pipe is installed at 12 afterbody of third furnace. The flue gas treatment system of the utility model specifically comprises: the device comprises a dry desulfurization tower 14, a bag-type dust remover 15 and a chimney 16, wherein the bottom of the dry desulfurization tower 14 is communicated with the end part of a tail gas exhaust flue, and two ends of the bag-type dust remover 15 are respectively connected with the top of the dry desulfurization tower 14 and the bottom of the chimney 16. Combustible flue gas generated in the rice hull pyrolysis device 8 and air enter the heat accumulation oxidation chamber 9 together, the flue gas mixed with oxygen enters the first hearth 10, the second hearth 11 and the third hearth 12 to be incinerated and heated, so that a medium in the convection evaporator 13 is boiled and steam is generated, and the steam generated by the convection evaporator 13 is used for supplying heat; after being combusted, the flue gas enters a dry desulfurization tower 14, a bag-type dust remover 15 and a chimney 16 in sequence through a tail gas discharge pipe for purification treatment and is finally discharged outwards, so that the full utilization and harmless treatment of flue gas energy are realized.

When air needs to be injected into the rice husk pyrolysis device 8 and the heat accumulation oxidation chamber 9, the reaction process is unstable due to too low air temperature, and in order to further improve the utilization rate of energy and ensure stable reaction, the utility model is also provided with: air heater 17, air heater 17 installs on the tail gas discharge pipe, and air heater 17 utilizes exhaust gas temperature to give the boiler air supply heating, and air heater 17's exit end is equipped with two branch pipelines, and two branch pipelines are connected to respectively on rice husk pyrolysis device 8, the heat accumulation oxidizing chamber 9. Utilize the heat on the tail gas discharge pipe to carry out preheating treatment to cold air, cold air preheats the back and then pours into rice husk pyrolysis device 8, heat accumulation oxidizing chamber 9 respectively into, can make full use of the heat on the tail gas discharge pipe, effectively reduce the tail gas temperature, can guarantee the stability of reaction again and go on.

The brown rice of the utility model obtains loose rice and rice bran through the rice milling device 2, and the fine rice is prepared through processing the loose rice, and the rice bran is taken as a byproduct, so as to further improve the utilization rate of agricultural products, the utility model also comprises: the rice bran is sequentially processed by the puffing system 18, the leaching system 19 and the refining system 20 to prepare the refined rice oil.

As shown in fig. 2, the present invention divides rice into brown rice and rice hulls by a rice hulling apparatus 1; wherein the rice hulls are pyrolyzed into rice hull carbon by the rice hull pyrolysis device 8, and fuel gas in the pyrolysis process of the rice hull pyrolysis device 8 is combusted by the waste heat boiler to generate steam; the brown rice is divided into bulk rice and rice bran by a rice milling device 2, the bulk rice is processed into a main product (polished rice), and the rice bran is puffed, leached and refined to obtain the rice oil.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A high-efficient corn system of processing of rice husk charcoal heat coproduction includes: rice hulling device (1), rice hulling device (1) processes the rice into brown rice and rice husk, be equipped with brown rice discharge device (102), rice husk discharge device (101) on rice hulling device (1), its characterized in that still includes: a brown rice processing production line and a rice hull processing production line, wherein a rice hull pyrolysis device (8) is arranged on the rice hull processing production line, the rice hull pyrolysis device (8) is provided with a rice hull bin (6) and a spiral feeding device (7), the rice hull bin (6) is connected with the rice hull discharging device (101) in a sealed conveying way, two ends of the spiral feeding device (7) are respectively connected with the rice hull bin (6) and the rice hull pyrolysis device (8), the rice hulls are processed and prepared into rice hull carbon by the rice hull pyrolysis device, the brown rice processing production line is provided with a rice milling device (2), a color sorting device (3), a polishing device (4) and a finished product packaging line (5), the brown rice obtains loose rice and rice bran through the rice milling device (2), the loose rice sequentially passes through the color sorting device (3) and the polishing device (4) to obtain polished rice, and the finished product packaging line (5) carries out standard weight packaging treatment on the polished rice.

2. The rice husk carbon-heat co-production efficient rice processing system as claimed in claim 1, wherein a waste heat boiler and a flue gas treatment system are further arranged on the rice husk processing production line, the waste heat boiler is provided with a heat accumulation oxidation chamber (9), a tail gas exhaust flue is arranged at the tail of the boiler, the heat accumulation oxidation chamber (9) is connected with the top of the rice husk pyrolysis device (8) through a gas guide channel, and the tail gas exhaust flue is connected with the flue gas treatment system.

3. The system for processing rice husk char-heat co-production efficient rice as claimed in claim 2, wherein said waste heat boiler comprises: first furnace (10), second furnace (11), third furnace (12), first furnace (10), second furnace (11), third furnace (12) set up side by side and end to end S-shaped structure, install the denitration spray gun in first furnace (10), install convection current evaporimeter (13) in second furnace (11), install the denitration catalyst in third furnace (12), install heat accumulation oxidizing chamber (9) the tip of first furnace (10), the tail gas exhaust flue is installed third furnace (12) afterbody.

4. The system for processing rice husk char-thermal cogeneration efficient rice as claimed in claim 3, further comprising: air heater (17), air heater (17) are installed on the tail gas exhaust flue, air heater (17) utilize exhaust gas temperature to give boiler air supply heating, the export of air heater (17) air end is equipped with two pipelines along separate routes, and two pipelines are connected to respectively on rice husk pyrolysis device (8), heat accumulation oxidizing chamber (9).

5. The system for processing rice husk char-thermal cogeneration efficient rice as claimed in claim 3, wherein said flue gas treatment system comprises: the device comprises a dry desulfurization tower (14), a bag-type dust remover (15) and a chimney (16), wherein the bottom of the dry desulfurization tower (14) is communicated with the end part of a tail gas exhaust flue, and two ends of the bag-type dust remover (15) are respectively connected with the top of the dry desulfurization tower (14) and the bottom of the chimney (16).

6. The system for processing rice husk char-thermal cogeneration efficient rice as claimed in claim 1, further comprising: the rice bran processing system comprises a puffing system (18), a leaching system (19) and a refining system (20), wherein the rice bran sequentially passes through the puffing system (18), the leaching system (19) and the refining system (20) to prepare the refined rice oil.