CN117619484A - A carburizing agent preparation device and its preparation method - Google Patents

Abstract

The invention discloses a carburizing agent preparation device and a preparation method thereof, belonging to the technical field of carburizing agent processing, and includes a mixing cylinder. A grinding cylinder connected to the inside of the screen box is fixed on the top side of the screen box. The grinding cylinder A grinding assembly connected to the first driving motor is provided inside, a screening assembly is provided inside the screen box, and a scraping assembly for scraping the inner wall of the mixing barrel is connected to the stirring shaft; in the present invention, the grinding assembly is used to grind the The raw materials inside the barrel are ground and pulverized, which effectively improves the uniform mixing efficiency of the raw materials. The ground raw materials fall into the screen box, and the raw materials are screened through the screening assembly to screen out the larger particles that are not qualified for grinding and the fineness is qualified. The particles are screened out by the screening component and fall into the inside of the mixing barrel to ensure efficient and uniform mixing efficiency. The raw materials adhered to the inner wall of the mixing barrel are scraped off by the scraping component for mixing processing, saving raw materials and effectively improving the mixing of raw materials. sufficiency.

Description

A carburizing agent preparation device and its preparation method

Technical field

The invention belongs to the technical field of carburizing agent processing, and specifically relates to a carburizing agent preparation device and a preparation method thereof.

Background technique

In the smelting process of iron and steel products, factors such as long smelting time, holding time, and overheating time often increase the smelting loss of carbon in the molten iron, causing the carbon content in the molten iron to decrease, resulting in The carbon content in the molten iron cannot reach the theoretical value expected for refining. Carbon-containing substances added to make up for the carbon content lost during the steel smelting process are called carburizers. The effect of carburizer particle size on carburizer absorption rate depends on the combined effect of carburizer dissolution and diffusion rate and oxidation loss rate. Under normal circumstances, the carburizer particles are small, dissolve quickly, and lose quickly; the production of carburant requires crushing of raw materials.

For example, Chinese Patent Publication No.: CN211329617U discloses a crushing machine for producing carburizing agent, which includes a crushing machine housing, a feed port located at the upper end of the crushing machine housing, and a crushing machine housing. The discharge port at the lower end of the body, the impact rack installed in the inner cavity of the crushing casing, the rotor used in conjunction with the impact rack, the crushing cavity formed by the rotor and the impact rack, and the screen plate installed at the lower end of the rotor, and The access door used in conjunction with the sieve plate; the crusher used to produce carburizer can achieve the purpose of improving the crushing efficiency of carburizer raw materials; however, the raw material crushing effect in the above application is not ideal, and the raw material fineness is not uniform enough, affecting uniformity Mixing efficiency, at the same time, when the sieve plate is screening materials, the mesh is easily blocked, requiring frequent cleaning, which is inconvenient to use.

Therefore, a carburizing agent preparation device and a preparation method thereof are needed to solve the problem that the carburizing agent preparation device in the prior art has an unsatisfactory crushing effect on the raw materials and the fineness of the raw materials is not uniform enough, which affects the uniform mixing efficiency and the sieve plate when screening materials. When used, the mesh is prone to clogging and requires frequent cleaning.

Contents of the invention

The object of the present invention is to provide a carburizing agent preparation device and a preparation method thereof to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solution: a carburizing agent preparation device, including a mixing barrel, a sieve box connected to the inside of the mixing barrel is fixed on the top side of the mixing barrel, and the sieve A grinding cylinder connected to the inside of the screen box is fixed on the top side of the material box. A first driving motor is provided on one side of the grinding cylinder. A grinding assembly connected to the first driving motor is provided in the grinding cylinder. A screening assembly is provided in the sieve box. A stirring shaft is rotatably connected to the center of the bottom side wall of the mixing barrel. A plurality of annularly distributed main stirring rods are fixed on the sides of the mixing shaft. A second drive motor is fixed on the outer wall of the bottom end of the mixing barrel. The output end of the second drive motor is coaxially fixed with the bottom end of the mixing shaft. A pair of mixing barrels is connected to the mixing shaft. A scraper assembly that scrapes the inner wall.

It should be noted in the solution that the grinding assembly includes a grinding roller disposed inside the grinding barrel and grindingly matched with the inner wall of the grinding barrel. A first connecting rod is fixed on the top of the grinding roller, and the top of the first connecting rod is fixed. A loop-shaped tooth plate is fixed, and an incomplete gear meshingly connected with the loop-shaped tooth plate is fixed on the output end of the first driving motor.

It is further worth mentioning that the screening assembly includes a screen plate arranged inside the screen box, and a leakage screen plate located below the screen plate is fixed on the inner wall of the screen box. The leakage screen plate A return spring is provided between the screen plate and the screen plate. There are multiple return springs, and the multiple return springs are equidistantly distributed.

It should be further noted that the scraper assembly includes a second connecting rod fixed to the side of the stirring shaft. There are two second connecting rods, and the two second connecting rods are symmetrically distributed. The second connecting rod is symmetrically distributed. A rubber block is fixed at one end of the connecting rod away from the stirring shaft, and a scraper rod that is in sliding contact with the inner wall of the mixing barrel is fixed at one end of the rubber block away from the second connecting rod.

As a preferred embodiment, the screen plate is arranged obliquely to the horizontal direction, and a discharge port located at the lower end of the screen plate is provided on the side of the screen box.

As a preferred embodiment, a guide hopper is fixed on the top of the grinding drum, a guide slope is provided on the top of the grinding roller, and a material intake port is provided on the side of the mixing tube. A cover is hinged in the mouth, and a handle is fixed on the outer wall of the cover.

As a preferred embodiment, a plurality of equidistantly distributed auxiliary mixing rods are fixed on the main mixing rod, and a through hole is provided on the side of the auxiliary mixing rod. The through hole is provided with multiple and multiple auxiliary mixing rods. The through holes are equidistantly distributed.

As a preferred embodiment, a plurality of symmetrically distributed leg rods are fixed on the outer wall of the bottom end of the mixing barrel, and a bottom plate is fixed on the bottom ends of the plurality of leg rods. A thermometer is fixed on the outer wall of the cylinder, a support is fixed on the top side of the screen box, and the first driving motor is fixed on the top of the support.

A method for preparing a carburizing agent, including the following steps:

S1. When using, put the raw materials into the inside of the grinding barrel through the top opening of the grinding barrel, start the first driving motor and the second driving motor to work, the output end of the first driving motor drives the incomplete gear to rotate, and through the incomplete The cooperation of the gear and the tooth plate drives the first connecting rod to move up and down, and then drives the grinding roller to move up and down through the first connecting rod, so that the grinding roller and the inner wall of the grinding cylinder form a continuous relative motion, so that the grinding roller can The raw materials inside the grinding drum are ground and pulverized;

S2. The ground raw materials fall into the screen box. The raw materials are screened through the set sieve plate to screen out the larger particles that fail to be ground. The particles that pass the fineness are screened out and fall into the mixing cylinder. ;

S3. The falling material impacts the screen plate, and multiple return springs are set to cause the screen plate to continuously vibrate, thereby accelerating the screening of the screen plate and the larger particles on the top and sides of the screen plate to roll from the discharge port. fall;

S4. The second drive motor drives the stirring shaft to rotate, and the rotating stirring shaft drives multiple main stirring rods to stir the raw materials inside the mixing barrel, so that the raw materials are mixed;

S5. The stirring shaft drives the second connecting rod to rotate, and the second connecting rod drives the scraping rod to scrape off the raw materials adhered to the inner wall of the mixing barrel for mixing processing.

Compared with the prior art, the carburizing agent preparation device and preparation method provided by the present invention at least include the following beneficial effects:

(1) The raw materials inside the grinding cylinder are ground and pulverized through the grinding assembly, thereby effectively improving the fineness of the raw materials, facilitating subsequent mixing and mixing of the raw materials, and effectively improving the uniform mixing efficiency of the raw materials. The ground raw materials fall into the screen box Inside, the raw materials are screened through the screening component, and the larger particles that fail to be ground are screened out. The particles with qualified fineness are screened out through the screening component and fall into the inside of the mixing barrel to ensure that the fineness of the raw materials falling into the mixing barrel is qualified. , ensuring efficient and uniform mixing efficiency.

(2) The rotating stirring shaft drives multiple main stirring rods to stir the raw materials inside the mixing barrel, so that the raw materials are mixed evenly. At the same time, the stirring shaft drives the scraper assembly to work, and the scraper assembly controls the mixing barrel. The raw materials adhered to the inner wall are scraped off for mixing processing, saving raw materials and effectively improving the adequacy of raw material mixing.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic diagram 2 of the overall structure of the present invention;

Figure 3 is a schematic diagram of the overall cross-sectional structure of the present invention;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 3;

Figure 5 is a schematic diagram of the partial structure of the grinding assembly of the present invention;

Figure 6 is a partial structural diagram of the scraper assembly of the present invention;

Figure 7 is an enlarged structural schematic diagram of position B in Figure 6.

In the picture: 1. Grinding component; 101. Grinding roller; 102. First connecting rod; 103. Return tooth plate; 104. Incomplete gear; 105. Guide hopper; 2. Screening component; 201. Screen plate; 202 , Discharge port; 203, leakage screen; 204, return spring; 3, scraper assembly; 301, second connecting rod; 302, scraper rod; 303, rubber block; 4, mixing cylinder; 5, screen Material box; 6. Grinding barrel; 7. First drive motor; 8. Support; 9. Material intake port; 10. Cover plate; 11. Handle; 12. Leg rod; 13. Bottom plate; 14. Second drive Motor; 15. Thermometer; 16. Stirring shaft; 17. Main stirring rod; 18. Auxiliary stirring rod; 19. Through hole.

Detailed ways

The present invention will be further described below in conjunction with examples.

Please refer to Figures 1-7. The present invention provides a carburizing agent preparation device, which includes a mixing barrel 4. A screen box 5 connected to the inside of the mixing barrel 4 is fixed on the top side of the mixing barrel 4. The screen box A grinding barrel 6 connected to the inside of the screen box 5 is fixed on the top side of the grinding barrel 5. A first driving motor 7 is provided on one side of the grinding barrel 6. A grinding assembly connected to the first driving motor 7 is provided in the grinding barrel 6. 1. A screening assembly 2 is provided in the screen box 5. A stirring shaft 16 is rotatably connected to the center of the bottom side wall of the mixing drum 4. A plurality of annularly distributed main stirring rods are fixed on the sides of the stirring shaft 16. 17. The second drive motor 14 is fixed on the outer wall of the bottom end of the mixing barrel 4. The output end of the second drive motor 14 is coaxially fixed with the bottom end of the stirring shaft 16. The mixing shaft 16 is connected with a pair of mixing materials. The scraper assembly 3 is used for scraping the inner wall of the barrel 4; when in use, the raw materials are put into the inside of the grinding barrel 6 through the top opening of the grinding barrel 6, and the first driving motor 7 and the second driving motor 14 are started to work. The output end of the drive motor 7 drives the grinding component 1 to work, and the raw materials inside the grinding barrel 6 are ground and pulverized through the grinding component 1, thereby effectively improving the fineness of the raw materials, facilitating subsequent mixing and mixing of the raw materials, and effectively improving the uniform mixing efficiency of the raw materials. , the ground raw materials fall into the inside of the screening box 5, and the raw materials are screened through the screening assembly 2, and the larger particles that are unqualified for grinding are screened out, and the particles with qualified fineness are screened out through the screening assembly 2 and fall to the mixture. Inside the barrel 4, ensure that the raw materials falling into the mixing barrel 4 have qualified fineness and ensure efficient and uniform mixing efficiency. The output end of the second drive motor 14 drives the stirring shaft 16 to rotate, and the rotating stirring shaft 16 drives multiple main components. The stirring rod 17 stirs the raw materials inside the mixing barrel 4 so that the raw materials are mixed evenly. At the same time, the stirring shaft 16 drives the scraper assembly 3 to work, and the scraper assembly 3 uses the scraper assembly 3 to remove the raw materials adhered to the inner wall of the mixing barrel 4. Scraping is carried out for mixing processing, saving raw materials and effectively improving the adequacy of raw material mixing.

As further shown in Figures 1, 3 and 5, it is worth describing in detail that the grinding assembly 1 includes a grinding roller 101 disposed inside the grinding cylinder 6 and grindingly matched with the inner wall of the grinding cylinder 6. The top end of the grinding roller 101 is fixed. There is a first connecting rod 102, a circular toothed plate 103 is fixed at the top of the first connecting rod 102, and an incomplete gear 104 meshed with the circular toothed plate 103 is fixed on the output end of the first driving motor 7; when in use , put the raw materials into the inside of the grinding barrel 6 through the top opening of the grinding barrel 6, start the first driving motor 7 to work, the output end of the first driving motor 7 drives the incomplete gear 104 to rotate, through the incomplete gear 104 and the loop The cooperation of the tooth plate 103 drives the first connecting rod 102 to move up and down, and then drives the grinding roller 101 to move up and down through the first connecting rod 102, so that the grinding roller 101 and the inner wall of the grinding cylinder 6 form a continuous relative motion, thereby grinding through The roller 101 grinds and pulverizes the raw materials inside the grinding barrel 6, thereby effectively improving the fineness of the raw materials, facilitating subsequent stirring and mixing of the raw materials, and effectively improving the uniform mixing efficiency of the raw materials.

As further shown in Figure 4, it is worth explaining in detail that the screening assembly 2 includes a screen plate 201 arranged inside the screen box 5, and a leakage material located below the screen plate 201 is fixed on the inner wall of the screen box 5. There are return springs 204 between the screen plate 203, the leakage screen plate 203 and the screen plate 201. There are multiple return springs 204 and the multiple return springs 204 are equidistantly distributed; the ground raw materials fall into the screen material. Inside the box 5, the raw materials are screened through the set sieve plate 201 to screen out the larger particles that are unqualified for grinding. The particles with qualified fineness are screened out through the screening assembly 2 and fall into the mixing tube 4 to ensure that they fall into the mixing tube. The fineness of the raw materials inside the barrel 4 is qualified, ensuring efficient and uniform mixing efficiency. At the same time, the falling material impacts the screen plate 201, and the multiple return springs 204 set up cause the screen plate 201 to continuously vibrate, thereby accelerating the screen plate. 201 screening and accelerating the rolling down of larger particles on the top side of the screen plate 201.

As further shown in Figures 3, 6 and 7, it is worth describing in detail that the scraper assembly 3 includes a second connecting rod 301 fixed to the side of the stirring shaft 16. The second connecting rod 301 is provided with two and two connecting rods. The second connecting rods 301 are symmetrically distributed. A rubber block 303 is fixed at one end of the second connecting rod 301 away from the stirring shaft 16. The rubber block 303 is fixed at one end away from the second connecting rod 301 and is in sliding contact with the inner wall of the mixing barrel 4. The scraper rod 302; during specific operation, the second drive motor 14 drives the stirring shaft 16 to rotate, the stirring shaft 16 drives the second connecting rod 301 to rotate, and the second connecting rod 301 drives the scraping rod 302 to mix the material. The raw materials adhered to the inner wall of the barrel 4 are scraped off for mixing processing, saving raw materials and effectively improving the adequacy of raw material mixing. The rubber block 303 is provided to make the scraper rod 302 elastically contact the inner wall of the mixing barrel 4 to avoid The scraper rod 302 causes scratches on the inner wall of the mixing tube 4 .

This solution has the following working process: when used, the raw materials are put into the inside of the grinding barrel 6 through the top opening of the grinding barrel 6, the first driving motor 7 and the second driving motor 14 are started to work, and the output end of the first driving motor 7 The incomplete gear 104 is driven to rotate, and the first connecting rod 102 is driven to move up and down through the cooperation of the incomplete gear 104 and the circular tooth plate 103, and then the grinding roller 101 is driven to move up and down through the first connecting rod 102, so that the grinding The roller 101 and the inner wall of the grinding barrel 6 form a continuous relative motion, so that the raw materials inside the grinding barrel 6 are ground and pulverized by the grinding roller 101, thereby effectively improving the fineness of the raw materials and facilitating the subsequent stirring and mixing of the raw materials. Fall into the inside of the screening box 5, and the raw materials are screened through the set screen plate 201 to screen out the larger particles that are unqualified for grinding, and the particles that pass the fineness are screened out and fall into the mixing tube 4 to ensure that they fall into the mixing tube 4. The fineness of the raw materials inside the mixing drum 4 is qualified. At the same time, the falling materials impact the screen plate 201. The multiple return springs 204 are arranged to cause the screen plate 201 to continuously vibrate, thereby accelerating the screening and acceleration of the screen plate 201. When larger particles roll down on the top side of the screen plate 201, the second drive motor 14 drives the stirring shaft 16 to rotate, and the rotating stirring shaft 16 drives a plurality of main stirring rods 17 to stir the raw materials inside the mixing barrel 4. , so that the raw materials are mixed, the stirring shaft 16 drives the second connecting rod 301 to rotate, and the second connecting rod 301 drives the scraping rod 302 to scrape off the raw materials adhered to the inner wall of the mixing barrel 4 for mixing processing. .

As further shown in Figure 4, it is worth describing in detail that the screen plate 201 is arranged obliquely to the horizontal direction, and the side of the screen box 5 is provided with a discharge port 202 located at the lower end of the screen plate 201; specifically During operation, the tilted screen plate 201 enables larger particles on the screen plate 201 to roll down quickly and out of the discharge port 202 .

As further shown in Figures 1, 3 and 5, it is worth explaining in detail that the top of the grinding barrel 6 is fixed with a guide hopper 105, the top of the grinding roller 101 is provided with a guide slope, and the side of the mixing barrel 4 is A material intake port 9 is provided, a cover plate 10 is hinged in the material intake port 9, and a handle 11 is fixed on the outer wall of the cover plate 10; during specific work, the raw materials fall into the grinding roller 101 and the mixing roller through the guide slope provided. Grinding and pulverizing are performed between the inner walls of the barrel 4. After the grinding is completed, the cover 10 is opened to facilitate the discharging of materials through the discharging port 9.

As further shown in Figures 6 and 7, it is worth describing in detail that a plurality of auxiliary mixing rods 18 distributed equidistantly are fixed on the main mixing rod 17, and a through hole 19 is provided on the side of the auxiliary mixing rod 18. Multiple holes 19 are provided, and multiple through holes 19 are equidistantly distributed; during specific operation, multiple auxiliary stirring rods 18 and multiple through holes 19 are provided for auxiliary stirring to improve the mixing effect.

As further shown in Figure 1, it is worth describing in detail that a plurality of symmetrically distributed leg rods 12 are fixed on the outer wall of the bottom end of the mixing tube 4, and a bottom plate is jointly fixed on the bottom ends of the plurality of leg rods 12. 13. A thermometer 15 is fixed on the outer wall of the mixing drum 4, a support 8 is fixed on the top side of the screen box 5, and the first driving motor 7 is fixed on the top of the support 8.

A method for preparing a carburizing agent, including the following steps:

S1. When using, put the raw materials into the inside of the grinding barrel 6 through the top opening of the grinding barrel 6, start the first driving motor 7 and the second driving motor 14 to work, and the output end of the first driving motor 7 drives the incomplete gear 104 It rotates, and the first connecting rod 102 is driven to move up and down through the cooperation of the incomplete gear 104 and the circular toothed plate 103, and then the grinding roller 101 is driven to move up and down through the first connecting rod 102, so that the grinding roller 101 and the grinding cylinder The inner walls of 6 form continuous relative motion, so that the raw materials inside the grinding cylinder 6 are ground and pulverized by the grinding roller 101;

S2. The ground raw materials fall into the sieve box 5. The raw materials are screened through the set sieve plate 201 to screen out the larger particles that are unqualified for grinding, and the particles that pass the fineness are screened out and fall into the mixing material. Inside barrel 4;

S3. The falling material impacts the screen plate 201, and multiple return springs 204 are provided to cause the screen plate 201 to continuously vibrate, thereby accelerating the screening of the screen plate 201 and the larger particles on the top side of the screen plate 201. Rolling down from the discharge port 202;

S4. The second drive motor 14 drives the stirring shaft 16 to rotate, and the rotating stirring shaft 16 drives multiple main stirring rods 17 to stir the raw materials inside the mixing barrel 4, so that the raw materials are mixed;

S5. The stirring shaft 16 drives the second connecting rod 301 to rotate, and the second connecting rod 301 drives the scraping rod 302 to scrape off the raw materials adhered to the inner wall of the mixing barrel 4 for mixing processing.

In summary: the grinding assembly 1 grinds and pulverizes the raw materials inside the grinding cylinder 6, thereby effectively improving the fineness of the raw materials, facilitating subsequent mixing and mixing of the raw materials, and effectively improving the uniform mixing efficiency of the raw materials. The ground raw materials fall into the screen. Inside the material box 5, the raw materials are screened through the screening assembly 2, and the larger particles that fail to be ground are screened out. The particles with qualified fineness are screened out through the screening assembly 2 and fall into the mixing barrel 4 to ensure that they fall into the mixing barrel. 4. The fineness of the raw materials inside is qualified to ensure efficient and uniform mixing efficiency. The output end of the second drive motor 14 drives the stirring shaft 16 to rotate. The rotating stirring shaft 16 drives a plurality of main stirring rods 17 to mix the inside of the mixing barrel 4. The raw materials are stirred, so that the raw materials are mixed evenly. At the same time, the stirring shaft 16 drives the scraper assembly 3 to work. The scraper assembly 3 scrapes off the raw materials adhered to the inner wall of the mixing barrel 4 for mixing processing, saving raw materials. , effectively improve the adequacy of raw material mixing.

The first drive motor 7 and the second drive motor 14 can be purchased from the market. The first drive motor 7 and the second drive motor 14 are equipped with power supplies. They are mature technologies in this field and have been fully disclosed, so they will not be repeated in the description.

Claims (9)

1. The utility model provides a carburant preparation facilities, includes compounding section of thick bamboo (4), its characterized in that, be fixed with on the top side of compounding section of thick bamboo (4) with inside sieve bin (5) of intercommunication of compounding section of thick bamboo (4), be fixed with on the top side of sieve bin (5) with sieve bin (5) inside intercommunication grinding vessel (6), one side of grinding vessel (6) is provided with first driving motor (7), be provided with in grinding vessel (6) with grinding component (1) of first driving motor (7) transmission connection, be provided with screening component (2) in sieve bin (5), the bottom lateral wall center department rotation of compounding section of thick bamboo (4) is connected with stirring axostylus axostyle (16), be fixed with a plurality of main puddles (17) that are annular distribution on the side of stirring axostylus axostyle (16), be fixed with second driving motor (14) on the bottom lateral wall of compounding section of thick bamboo (4), the output of second driving motor (14) is fixed with the bottom coaxial of stirring axostylus axostyle (16), be connected with on stirring axostyle (16) and scrape compounding axostyle (3) to carry out compounding section of thick bamboo (4).

2. The carburant preparation device according to claim 1, wherein the grinding assembly (1) comprises a grinding roller (101) arranged inside the grinding cylinder (6) and in grinding fit with the inner side wall of the grinding cylinder (6), a first connecting rod (102) is fixed at the top end of the grinding roller (101), a circular toothed plate (103) is fixed at the top end of the first connecting rod (102), and an incomplete gear (104) meshed and connected with the circular toothed plate (103) is fixed at the output end of the first driving motor (7).

3. The carburant preparation device according to claim 1, wherein the screening assembly (2) comprises a screen plate (201) arranged inside the screen box (5), a material leakage screen plate (203) arranged below the screen plate (201) is fixed on the inner side wall of the screen box (5), a reset spring (204) is arranged between the material leakage screen plate (203) and the screen plate (201), and the reset springs (204) are distributed in an equidistant manner.

4. A carburant preparation device according to claim 3, wherein the scraping assembly (3) comprises a second connecting rod (301) fixed to the side of the stirring shaft (16), the second connecting rods (301) are provided with two second connecting rods (301) which are symmetrically distributed, one end of each second connecting rod (301) away from the stirring shaft (16) is fixed with a rubber block (303), and one end of each rubber block (303) away from each second connecting rod (301) is fixed with a scraping rod (302) which is in sliding contact with the inner side wall of the mixing cylinder (4).

5. A carburant preparation device according to claim 3, wherein the screen plate (201) is arranged obliquely to the horizontal, and the side of the screen box (5) is provided with a discharge opening (202) at the lower end of the screen plate (201).

6. The carburant preparation device according to claim 2, characterized in that the top end of the grinding cylinder (6) is fixed with a guide hopper (105), the top end of the grinding roller (101) is provided with a guide inclined plane, the side surface of the mixing cylinder (4) is provided with a material taking opening (9), the material taking opening (9) is internally hinged with a cover plate (10), and the outer side wall of the cover plate (10) is fixed with a handle (11).

7. The carburant preparation device according to claim 1, characterized in that the main stirring rod (17) is fixed with a plurality of auxiliary stirring rods (18) which are equidistantly distributed, the side surfaces of the auxiliary stirring rods (18) are provided with through holes (19), and the through holes (19) are provided with a plurality of through holes (19) which are equidistantly distributed.

8. The carburant preparation device according to claim 7, wherein a plurality of symmetrically distributed support legs (12) are fixed on the outer side wall of the bottom end of the mixing cylinder (4), a bottom plate (13) is commonly fixed at the bottom ends of the support legs (12), a thermometer (15) is fixed on the outer side wall of the mixing cylinder (4), a support (8) is fixed on the top end side surface of the sieving box (5), and the first driving motor (7) is fixed on the top end of the support (8).

9. A process for preparing a carburant according to any one of claims 1 to 8, comprising the steps of:

s1, when the grinding machine is used, raw materials are thrown into the grinding cylinder (6) through the top end opening of the grinding cylinder (6), a first driving motor (7) and a second driving motor (14) are started to work, an output end of the first driving motor (7) drives an incomplete gear (104) to rotate, a first connecting rod (102) is driven to move up and down through the cooperation of the incomplete gear (104) and a return toothed plate (103), and then a grinding roller (101) is driven to move up and down through the first connecting rod (102), so that continuous relative movement is formed between the grinding roller (101) and the inner side wall of the grinding cylinder (6), and raw materials in the grinding cylinder (6) are ground and crushed through the grinding roller (101);

s2, the ground raw materials fall into a screening bin (5), the raw materials are screened through a screen plate (201), particles with large unqualified grinding are screened out, and particles with qualified fineness are screened out and fall into a mixing cylinder (4);

s3, the material falls to impact the screen plate (201), and the screen plate (201) continuously vibrates through a plurality of reset springs (204) arranged, so that screening of the screen plate (201) is accelerated, and larger particles on the side surface of the top end of the screen plate (201) are accelerated to roll off from a discharge hole (202);

s4, a second driving motor (14) drives a stirring shaft lever (16) to rotate, and the rotating stirring shaft lever (16) drives a plurality of main stirring rods (17) to stir raw materials in the mixing cylinder (4) so as to uniformly mix the raw materials;

s5, the stirring shaft rod (16) drives the second connecting rod (301) to rotate, and the second connecting rod (301) drives the scraping rod (302) to scrape raw materials adhered to the inner side wall of the mixing cylinder (4) so as to carry out mixing processing.