Rice hull-based silicon dioxide wet sol preparation device

Abstract

The utility model relates to a rice hull-based silicon dioxide wet sol preparation device which comprises a treatment mechanism, the treatment mechanism comprises a treatment table, a treatment cavity, a front groove, a fan, a spray head, a first treatment groove, a second treatment groove and a third treatment groove, the treatment cavity is formed in the inner side of the treatment table, the front groove is formed in one side of the treatment cavity, and the fan is arranged in the front groove; a treatment tank I, a treatment tank II and a treatment tank III are formed in the other side of the treatment cavity. Through the treatment tank I, the treatment tank II and the treatment tank III, a plurality of processes of cleaning, carbonizing, activating and acidizing the rice hulls can be realized by only using one device, so that silicon dioxide gel is obtained, and high-purity silicon dioxide particles can be obtained through subsequent modification and screening treatment.

Description

Technical Field

[0001] The invention belongs to the field of rice husk-based silicon dioxide wet sol preparation devices, in particular to a rice husk-based silicon dioxide wet sol preparation device. Background Art

[0002] Rice, an important food crop in the world, accounts for a large proportion of people's daily food. According to statistics from relevant United Nations agencies, the annual global rice production is 500-600 million tons. Rice husk is the main by-product of rice processing, and the quality of rice husk can reach about 23% of the quality of rice itself. Compared with traditional non-renewable resources, it has the huge advantages of being cheap and abundant in yield. Rice husk ash is produced after high-temperature incineration, and rice husk ash contains rich amorphous silicon dioxide components.

[0003] The existing relevant patent, patent number CN202010450122.6, "A device for preparing rice husk-based silica", has "rice husks only burn between combustion zones. Due to the short combustion time, the surface of the rice husk burns first, and then is separated and re-enters the airflow mill. In other words, a rice husk is burned multiple times, which is not only conducive to controlling the system temperature, but also prevents the growth of silica particles. The temperature-controlled powder only needs to be added for the first time. When the temperature in the combustion tube is higher than the melting point of the temperature-controlled powder (about 700°C), the particles absorb heat and melt to ensure the body The temperature of the system does not rise, and the unmelted particles are separated by two particle classifiers and enter the high-speed jet device. The melted particles are cooled down by the material pipeline and the combustion tube after the second particle classifier to become particles, and are separated in the cyclone separator and enter the high-speed jet device. In other words, the temperature controls the powder to circulate in the whole system. However, there are still some shortcomings. It obtains silicon dioxide by combustion and separation. This method requires multiple combustion and separation treatments, and the purity of the final product is still very low, which is time-consuming and labor-intensive. Therefore, a rice husk-based silicon dioxide wet sol preparation device is proposed. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the following technical problems in the prior art: silicon dioxide is obtained by combustion followed by separation, which requires multiple combustion and separation processes, and the purity of the final product is still very low, which is time-consuming and labor-intensive.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a rice husk-based silicon dioxide wet sol preparation device, comprising:

[0007] A processing mechanism, the processing mechanism comprises a processing table, a processing chamber, a pre-slot, a heating lamp, a nozzle, a processing tank 1, a processing tank 2 and a processing tank 3, the processing table is provided with a processing chamber on the inner side, the processing chamber is provided with a pre-slot on one side, the processing tank 1, the processing tank 2 and the processing tank 3 are provided on the other side of the processing chamber, a plurality of nozzles are arranged on one side of the inner wall of the processing chamber, the processing chamber is provided with a drainage hole at a position below the nozzle, a heating lamp is arranged at the top of the processing chamber, and electric heating wires are arranged in the processing tank 1, the processing tank 2 and the processing tank 3;

[0008] The material transport mechanism comprises a sealing cover and a square bowl, one side of the sealing cover is movably plugged into the openings of the first processing tank, the second processing tank and the third processing tank.

[0009] As a preferred technical solution of a rice husk-based silica wet sol preparation device, the material transport mechanism also includes a material transport rod, a square basket and a closing plate. A square basket is provided on the top of the square bowl, and the square basket is arranged on the material transport rod. The square basket is surrounded by four filter screens. A sealing cover is installed in the middle section of the material transport rod. The material transport mechanism also includes a material transport rack. The inner side of the front groove is fixedly connected to two horizontally installed material transport racks. A transverse groove is opened on the inner side of each of the material transport rods. The material transport rod passes through the two transverse grooves in sequence. The inner cavity of the square bowl is slidably connected to a closing plate, and the closing plate is movably abutted against the square basket.

[0010] The material transport rod slides on the transverse groove, so that the square basket and the square bowl enter the processing tank one, the processing tank two or the processing tank three, and are processed in the processing tank one, the processing tank two and the processing tank three to achieve cleaning, carbonization, activation and acid treatment.

[0011] As a preferred technical solution of a rice husk-based silica wet sol preparation device, the material transport mechanism also includes a push rod, the middle part of the top of the closing plate is fixedly connected with the push rod, the upper side surface of the closing plate is a spherical surface, one side of the top of the push rod is rounded, the bottom end of the closing plate is provided with a locking groove, the inner bottom wall of the inner cavity of the square bowl is provided with a locking column, the top of the locking column is provided with an annular groove, the inner wall of the square bowl is provided with a plurality of elastic frames, the locking groove is movably connected with the locking column, the elastic frame is movably connected with the annular groove, the push rod passes through the outside of the material transport rod, the top end of the push rod is provided with an abutting rod, the lower side of the abutting rod is provided with a spring, the spring abuts against the upper side of the material transport rod, and the elastic frame is surrounded by a spring plate;

[0012] During the rice husk cleaning stage, the closing plate is located at the bottom of the square basket, the rice husk is on the inner side of the square basket, the square basket is close to the nozzle, the nozzle is connected to the water supply pipe, and the water supply pipe sprays water into the square basket through the nozzle to clean the rice husk. After the square basket and the square bowl enter the processing tank one, the inner top wall of the processing tank one squeezes the push rod and the closing plate downward, the push rod compresses the spring, so that the locking groove on the closing plate is plugged into the locking column, and the elastic frame extends into the annular groove to lock the closing plate to the bottom of the square bowl, so that the contents of the square basket enter the square bowl, and an exhaust hole is opened at the bottom of the square bowl.

[0013] As a preferred technical solution of a rice husk-based silica wet sol preparation device, the processing mechanism further includes air pipe 1, air pipe 2, pipeline 1 and pipeline 2, the top of the processing tank 1 is provided with air pipe 2, the bottom end of the air pipe 2 is a curved pipe, the bottom of the processing tank 1 extends into air pipe 1, the top of the processing tank 2 extends into multiple pipelines 1, and the bottom ends of the multiple pipelines 2 extend into the top of the processing tank 3;

[0014] The sealing cover can seal processing tank one, processing tank two and processing tank three, nitrogen is injected into air pipe two, and air is discharged from air pipe one so that the inner cavity of air pipe two is filled with nitrogen. One-way valves are arranged in air pipe one and air pipe two, and exhaust pipes can be arranged in processing tank three and processing tank two to evacuate the inner cavities of processing tank three and processing tank two.

[0015] As a preferred technical solution of a rice husk-based silicon dioxide wet sol preparation device, the processing mechanism further includes piezoelectric ceramics, the inner bottom wall of the second processing tank is provided with a rubber pad, the top of the rubber pad is provided with a piezoelectric ceramic, and the piezoelectric ceramics are movably connected to the square bowl;

[0016] The piezoelectric ceramic vibrates after being energized, causing the square bowl to vibrate to fully mix the carbonized rice husk and sodium hydroxide powder.

[0017] The beneficial effects of the rice husk-based silica wet sol preparation device of the present invention are as follows: through the treatment tank one, the treatment tank two and the treatment tank three, only one device can be used to realize the multiple processes of washing, carbonizing, activating and acidifying the rice husk, thereby obtaining silica gel, and subsequently performing modification and screening treatment to obtain high-purity silica particles;

[0018] After carbonization is completed, the square bowl can be separated from the material transport rod, and then multiple square bowls can be placed in the corresponding processing tank two or processing tank three, which can efficiently process rice husks and extract silica particles in large quantities, greatly shortening the production time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 It is a schematic diagram of the front cross-sectional structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the side cross-sectional structure of the present invention;

[0022] Figure 3 It is a schematic diagram of the internal structure of the square bowl of the present invention;

[0023] Figure 4 For the present invention Figure 3 Schematic diagram of the local enlarged structure of part A.

[0024] Figure numerals: 100, processing mechanism; 101, processing table; 102, processing chamber; 103, pre-slot; 105, fan; 106, nozzle; 107, processing slot one; 108, processing slot two; 109, processing slot three; 110, air pipe one; 111, air pipe two; 112, pipeline one; 113, pipeline two; 114, piezoelectric ceramics; 200, material transport mechanism; 201, material transport rack; 202, material transport rod; 203, sealing cover; 204, square basket; 205, square bowl; 206, spring; 207, abutment rod; 208, push rod; 210, bottom plate; 211, locking groove; 212, locking column; 213, annular groove; 214, elastic rack. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] like Figure 1-4 As shown, the present invention provides a rice husk-based silicon dioxide wet sol preparation device, comprising:

[0030] A processing mechanism 100, the processing mechanism 100 comprises a processing table 101, a processing chamber 102, a pre-slot 103, a heating lamp 105, a nozzle 106, a processing tank 107, a processing tank 2 108 and a processing tank 3 109, the processing table 101 has a processing chamber 102 on its inner side, a pre-slot 103 on one side of the processing chamber 102, a processing tank 107, a processing tank 2 108 and a processing tank 3 109 on the other side of the processing chamber 102, a plurality of nozzles 106 are arranged on one side of the inner wall of the processing chamber 102, a drainage hole is arranged at a position below the nozzle 106 in the processing chamber 102, a heating lamp 105 is arranged at the top of the processing chamber 102, and electric heating wires are arranged in the processing tank 107, the processing tank 2 108 and the processing tank 3 109;

[0031] The heating wire generates heat to heat the corresponding cavity.

[0032] The material transport mechanism 200 includes a sealing cover 203 and a square bowl 205, and one side of the sealing cover 203 is movably connected with the openings of the processing tank 1 107, the processing tank 2 108 and the processing tank 3 109;

[0033] The material transport mechanism 200 further includes a material transport rod 202, a square basket 204 and a closing plate 210. The top of the square bowl 205 is provided with a square basket 204, the square basket 204 is arranged on the material transport rod 202, the square basket 204 is surrounded by filter screens on four sides, and a sealing cover 203 is installed in the middle section of the material transport rod 202;

[0034] The material transport mechanism 200 also includes a material transport rack 201. The inner side of the front slot 103 is fixedly connected to two horizontally installed material transport racks 201. The inner side of each material transport rod 202 is provided with a transverse groove. The material transport rod 202 passes through the two transverse grooves in sequence. The inner cavity of the square bowl 205 is slidably connected to a closing plate 210. The closing plate 210 is movably abutted against the square basket 204.

[0035] The material transport rod 202 slides on the transverse groove, allowing the square basket 204 and the square bowl 205 to enter the processing tank 1 107 or the processing tank 2 108 or the processing tank 3 109, and are processed in the processing tank 1 107, the processing tank 2 108 and the processing tank 3 109 to achieve cleaning, carbonization, activation and acid treatment.

[0036] The material transport mechanism 200 also includes a push rod 208, the middle part of the top of the closing plate 210 is fixedly connected with the push rod 208, the upper side surface of the closing plate 210 is a spherical surface, one side of the top of the push rod 208 is rounded, the bottom end of the closing plate 210 is provided with a locking groove 211, the inner bottom wall of the inner cavity of the square bowl 205 is provided with a locking column 212, the top of the locking column 212 is provided with an annular groove 213, the inner wall of the square bowl 205 is provided with a plurality of elastic frames 214, the locking groove 211 and the locking column 212 are movably plugged, the elastic frame 214 and the annular groove 213 are movably plugged, the push rod 208 passes through the outside of the material transport rod 202, the top end of the push rod 208 is provided with an abutting rod 207, the lower side of the abutting rod 207 is provided with a spring 206, the spring 206 abuts against the upper side of the material transport rod 202, and the elastic frame 214 is surrounded by a spring plate;

[0037] In the rice husk cleaning stage, the closing plate 210 is located at the bottom of the square basket 204, the rice husk is on the inner side of the square basket 204, the square basket 204 is close to the nozzle 106, the nozzle 106 is connected to the water supply pipe, and the water supply pipe sprays water into the square basket 204 through the nozzle 106 to clean the rice husk. After the square basket 204 and the square bowl 205 enter the processing tank 107, the inner top wall of the processing tank 107 squeezes the push rod 208 and the closing plate 210 downward, the push rod 208 compresses the spring 206, so that the locking groove 211 on the closing plate 210 is plugged with the locking column 212, and the elastic frame 214 extends into the annular groove 213, so that the closing plate 210 is locked to the bottom of the square bowl 205, so that the content of the square basket 204 enters the square bowl 205, and the bottom end of the square bowl 205 is provided with an exhaust hole.

[0038] The processing mechanism 100 further includes an air pipe 110, an air pipe 2 111, a pipe 112 and a pipe 2 113. The top of the processing tank 107 is provided with an air pipe 2 111, the bottom end of the air pipe 2 111 is a curved pipe, the bottom of the processing tank 107 extends into the air pipe 110, the top of the processing tank 2 108 extends into a plurality of pipes 112, and the bottom ends of the plurality of pipes 2 113 extend into the top of the processing tank 3 109;

[0039] The sealing cover 203 can seal the processing tank 1 107, the processing tank 2 108 and the processing tank 3 109, nitrogen is injected into the air pipe 2 111, and the air is discharged from the air pipe 1 110, so that the inner cavity of the air pipe 2 111 is filled with nitrogen. Both the air pipe 1 110 and the air pipe 2 111 are provided with a one-way valve, and the processing tank 3 109 and the processing tank 2 108 can be provided with an exhaust pipe to evacuate the inner cavity of the processing tank 3 109 and the processing tank 2 108.

[0040] The processing mechanism 100 further includes a piezoelectric ceramic 114. The inner bottom wall of the second processing tank 108 is provided with a rubber pad, and the top of the rubber pad is provided with a piezoelectric ceramic 114. The piezoelectric ceramic 114 is movably connected to the square bowl 205.

[0041] The piezoelectric ceramic 114 vibrates after being energized, and the square bowl 205 vibrates to fully mix the carbonized rice husk and the sodium hydroxide powder.

[0042] The specific implementation method is as follows: the preparation of silica gel mainly includes the following steps:

[0043] Pre-treating the rice husks: using the nozzle 106 to rinse in the treatment chamber 102, the rice husks in the square basket 204 are cleaned to remove impurities, and then the heating lamp 105 generates heat to dry the rice husks in the square basket 204;

[0044] During the cleaning stage, the spring 206 is kept in contact with the material transport rod 202 so that the closing plate 210 seals the bottom of the square basket 204;

[0045] Carbonization treatment: The dried rice husk in the square bowl 205 is carbonized in a treatment tank 107 under a nitrogen atmosphere, usually at a certain temperature, such as 370-420° C. or 670-710° C., to carbonize the rice husk;

[0046] Activation treatment: The carbonized rice husk in the square bowl 205 is mixed with an activator in the treatment tank 2 108, and alkaline powder such as sodium hydroxide is injected into the square bowl 205 through the pipe 1 112. The piezoelectric ceramic 114 vibrates the square bowl 205 to fully mix the carbonized rice husk and the sodium hydroxide powder, and activates them at a certain temperature, which is maintained at 730-780°C. The activated product is obtained;

[0047] Acid treatment: In treatment tank three 109, the activated product in square bowl 205 is injected with acid solution through pipeline two 113 into square bowl 205 for pickling. The acid solution uses concentrated hydrochloric acid solution until the pH value of the solution reaches a specific value, generally about 8, thereby obtaining silica gel.

[0048] The square basket 204 is hinged or hung to the material transporting rod 202 .

[0049] In the above steps, after carbonization is completed, the square bowl 205 can be separated from the material transport rod 202, and multiple square bowls 205 can be placed in the corresponding processing tank 2 108 or processing tank 3 109.

[0050] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0051] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A rice husk-based silicon dioxide wet sol preparation device, characterized in that: include: A processing mechanism (100), the processing mechanism (100) comprising a processing table (101), a processing chamber (102) being provided on the inner side of the processing table (101), a pre-slot (103) being provided on one side of the processing chamber (102), a processing slot 1 (107), a processing slot 2 (108) and a processing slot 3 (109) being provided on the other side of the processing chamber (102), a plurality of nozzles (106) being arranged on one side of the inner wall of the processing chamber (102), a liquid discharge hole being arranged in the processing chamber (102) at a position below the nozzles (106), a heating lamp (105) being arranged at the top of the processing chamber (102), and electric heating wires being arranged in the processing slot 1 (107), the processing slot 2 (108) and the processing slot 3 (109); A material transport mechanism (200), the material transport mechanism (200) comprising a sealing cover (203) and a square bowl (205), one side of the sealing cover (203) being movably plugged into the openings of the first processing tank (107), the second processing tank (108) and the third processing tank (109).

2. The rice husk-based silicon dioxide wet sol preparation device according to claim 1, characterized in that: The material transport mechanism (200) further comprises a material transport rod (202), a square basket (204) and a closing plate (210); a square basket (204) is arranged at the top of the square bowl (205); the square basket (204) is arranged on the material transport rod (202); the square basket (204) is surrounded by filter screens on four sides; and a sealing cover (203) is arranged in the middle section of the material transport rod (202).

3. A rice husk-based silicon dioxide wet sol preparation device according to claim 2, characterized in that: The material transport mechanism (200) further comprises a material transport rack (201), the inner side of the front groove (103) is fixedly connected to two horizontally arranged material transport racks (201), the inner side of each material transport rod (202) is provided with a transverse groove, the material transport rod (202) passes through the two transverse grooves in sequence, the inner cavity of the square bowl (205) is slidably connected to a closing plate (210), and the closing plate (210) is movably abutted against the square basket (204).

4. The device for preparing rice husk-based silicon dioxide wet sol according to claim 3, characterized in that: The material transport mechanism (200) further comprises a push rod (208), the push rod (208) is fixedly connected to the middle of the top of the closing plate (210), the upper side surface of the closing plate (210) is a spherical surface, one side of the top of the push rod (208) is rounded, the bottom end of the closing plate (210) is provided with a locking groove (211), the inner bottom wall of the inner cavity of the square bowl (205) is provided with a locking column (212), the top of the locking column (212) is provided with an annular groove (213), and the The inner wall of the square bowl (205) is provided with a plurality of elastic frames (214), the locking groove (211) is movably connected with the locking column (212), the elastic frame (214) is movably connected with the annular groove (213), the push rod (208) passes through the outer side of the material transport rod (202), the top end of the push rod (208) is provided with an abutment rod (207), the lower side of the abutment rod (207) is provided with a spring (206), and the spring (206) abuts against the upper side of the material transport rod (202).

5. A rice husk-based silicon dioxide wet sol preparation device according to claim 4, characterized in that: The processing mechanism (100) further comprises an air pipe 1 (110), an air pipe 2 (111), a pipeline 1 (112) and a pipeline 2 (113); the top of the processing tank 1 (107) is provided with an air pipe 2 (111); the bottom end of the air pipe 2 (111) is a curved pipe; the bottom of the processing tank 1 (107) extends into the air pipe 1 (110); the top of the processing tank 2 (108) extends into a plurality of pipelines 1 (112); the bottom ends of the plurality of pipelines 2 (113) extend into the top of the processing tank 3 (109).

6. The device for preparing rice husk-based silicon dioxide wet sol according to claim 5, characterized in that: The processing mechanism (100) further comprises piezoelectric ceramics (114); the inner bottom wall of the second processing tank (108) is provided with a rubber pad; the top of the rubber pad is provided with a piezoelectric ceramic (114); and the piezoelectric ceramics (114) are movably connected to the square bowl (205).

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