CN113019527A

CN113019527A - Preparation method of ceramsite concrete

Info

Publication number: CN113019527A
Application number: CN202110263720.7A
Authority: CN
Inventors: 李云华; 戴仁杰
Original assignee: Hefei Kuirong Building Materials Co ltd
Current assignee: Hefei Kuirong Building Materials Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-06-25

Abstract

The invention relates to a preparation method of ceramsite concrete, which uses ceramic crushing equipment, wherein the ceramic crushing equipment comprises a box body, a primary crushing device, a secondary crushing device and a material collecting box, and the concrete process flow when the ceramic crushing equipment is adopted to manufacture and process ceramic concrete is as follows: pottery washing, one-level are smashed, the second grade is smashed, the processing of polishing mixes with thick liquids, and one-level reducing mechanism includes actuating mechanism, crushing pressure disk, fixed plate, divides flitch, baffle, No. one, No. two baffles, No. three baffles and elevator. According to the invention, the primary crushing device and the secondary crushing device are matched together to realize the function of making the ceramic product into ceramic particles with the size meeting the requirement, and the ceramic product is subjected to multiple crushing treatments and screening treatments in the crushing process, so that the size uniformity of the prepared ceramic particles is effectively improved, and the overall quality of the ceramsite concrete prepared by using the ceramic particles as the raw material is ensured.

Description

Preparation method of ceramsite concrete

Technical Field

The invention relates to the field of concrete, in particular to a preparation method of ceramsite concrete.

Background

The ceramsite concrete is commonly called light concrete, and solves the defect of small choice of surface dry density of common concrete, so that the selection range of the surface dry density of the concrete is more perfect. In addition, the ceramsite concrete also has the advantages of light weight, good thermal insulation performance, good impermeability, good fire resistance and the like, and is more and more widely applied to buildings.

In the process of manufacturing ceramsite concrete, waste ceramic products are required to be used as raw materials for preparing ceramsite, and the prior method for preparing ceramsite has the following problems:

(1) when the ceramic product is crushed by using the conventional crushing equipment, the crushed ceramic particles are usually not screened or only screened once, so that the ceramic particles with different sizes are mixed together, and the quality of the ceramic concrete finished product is influenced;

(2) when screening ceramic particles, the ceramic particles with unqualified sizes are stacked on the screen, and the ceramic particles with unqualified sizes can be sent into the crushing equipment again only by a manual mode or a configuration driving device, so that the complexity and the investment cost of work are increased.

In order to solve the problems, the invention provides a preparation method of ceramsite concrete.

Disclosure of Invention

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

a preparation method of ceramsite concrete uses a ceramic crushing device, the ceramic crushing device comprises a box body, a primary crushing device, a secondary crushing device and a material collecting box, and the concrete process flow when the ceramic crushing device is adopted to manufacture and process ceramic concrete is as follows:

s1, ceramic cleaning: cleaning the collected waste ceramic products by using a water flushing method to remove dirt adhered to the surfaces of the ceramic products;

s2, primary crushing: putting the ceramic product into a box body, and carrying out primary crushing treatment on the ceramic product through a primary crushing device so as to process the waste ceramic product into ceramic fragments with smaller sizes;

s3, secondary crushing: performing secondary crushing treatment on the ceramic fragments through a secondary crushing device to process the ceramic fragments into ceramic particles with specified sizes;

s4, polishing treatment: polishing the ceramic particles by using a ball mill to polish and smoothen edges and corners of the ceramic particles;

s5, slurry mixing: putting the ceramic particles into the concrete slurry, and fully stirring to obtain ceramsite concrete slurry;

the upper end of the box body is provided with a feed inlet, the lower end of the box body is provided with a placing groove, a material collecting groove is arranged in the placing groove, a primary crushing device and a secondary crushing device are sequentially arranged in the box body from top to bottom, and the material collecting box is positioned under the secondary crushing device;

the primary crushing device comprises a driving mechanism, a crushing pressure plate, a fixed plate, a material distribution plate, a first clapboard, a second clapboard, a third clapboard and a lifting block, wherein the driving mechanism is arranged at the upper end of the box body;

two first baffles are symmetrically arranged between the lower end of the crushing pressure plate and the upper end of the fixed plate from left to right, a second baffle and a third baffle are sequentially arranged inside the first baffle from outside to inside, the lower ends of the first baffle and the second baffle are connected with the fixed plate, the upper ends of the first baffle and the second baffle are in sliding connection with the crushing pressure plate, the lower end of the third baffle is in sliding connection with the inner wall of a blanking hole formed in the fixed plate, the upper end of the third baffle is detachably connected with the lower end of the crushing pressure plate, material passing holes are formed in the side walls of the first baffle, the second baffle and the third baffle, the diameter of the material passing hole formed in the first baffle is the largest, the diameter of the material passing hole formed in the third baffle is the smallest, the bottom end of the third baffle is closely attached to the top end of a lifting block arranged on the material distributing plate, when the third baffle performs vertical reciprocating linear motion along with, the material distributing plate can do reciprocating linear motion up and down, so that the aim of improving the distribution uniformity of the ceramic fragments on the material distributing plate is fulfilled; drive through actuating mechanism and smash the pressure disk and carry out reciprocating linear motion from top to bottom to ceramic fragment with the great ceramic fragment crushing of size is the less ceramic fragment of size, and the screening back through a baffle, No. two baffles and No. three baffles in proper order by the ceramic fragment of crushing could fall to the branch flitch from the blanking mouth on, and fall into second grade reducing mechanism through dividing the material mouth, in order to carry out second grade shredding to it.

The secondary crushing device comprises a rotary motor, rotary rods, driving gears, driven gears, crushing grinding rollers and arc-shaped screens, wherein the rotary motor is installed on the side wall of the box body through a motor base, two rotary rods are symmetrically installed on the inner wall of the box body in a front-back mode, one end of one rotary rod is connected with one end of the rotary motor through a coupler, the driving gear is installed at the other end of the rotary rod, the driving gear is meshed with the driven gears, the driven gears are installed on the other rotary rod, the crushing grinding rollers are installed on the two rotary rods, the arc-shaped screens are arranged below the crushing grinding rollers, the arc-shaped screens are installed on the inner wall of the box body, and the upper ends of; after the rotating electrical machines is started, under the mutually supporting of driving gear and driven gear, two rotary rods of front and back symmetrical arrangement can rotate in opposite directions, make two smash the roller and can pulverize the processing to ceramic fragment, the ceramic granule that pulverizes falls on the radial sieve, the ceramic granule that the size reaches the requirement sees through the sieve mesh and falls into in the case that gathers materials, and the ceramic granule that the size is not conform to the requirement then piles up on the radial sieve, later take to crushing roller top along with being rotated crushing roller, after it falls into the gap between two crushing rollers, can obtain again and pulverize the processing, until its size can meet the requirements, need not to pour the ceramic granule that is not conform to the size requirement again into between two crushing rollers through manual mode or set up actuating mechanism in addition.

Preferably, actuating mechanism includes driving motor, the actuating lever, rotation cam and lifter, driving motor passes through the motor cabinet and installs on the box lateral wall, the driving motor output shaft is connected with actuating lever one end through the shaft coupling, the actuating lever other end rotates and installs on the box lateral wall, the actuating lever mid-mounting has the rotation cam, the spread groove upper end sliding connection of seting up at rotation cam upper end and lifter middle part, after starting driving motor alright drive the rotation cam on the actuating lever and carry out the circumferential rotation, and then drive the lifter and carry out reciprocal linear motion from top to bottom, make crushing pressure disk can extrude pottery from top to bottom, in order to extrude the less ceramic fragment of size with bold ceramic fragment.

Preferably, the crushing roller comprises guide rings, grinding teeth, fixing rods and adjusting rods, the rotating rod is of a hollow structure, a plurality of guide rings are uniformly sleeved on the rotating rod from left to right, the diameters of the guide rings gradually decrease from the middle to the left and right sides so as to guide ceramic fragments onto the grinding rings, the grinding rings are arranged between the left and right adjacent guide rings, the grinding rings are sleeved on the rotating rod, a plurality of grinding teeth are uniformly arranged on the side walls of the grinding rings along the circumferential direction of the grinding rings in a detachable mode, the guide rings and the grinding rings are fixed on the rotating rod through the fixing rods, the fixing rods are slidably mounted on the rotating rod, one end of each fixing rod, located inside the rotating rod, is closely attached to the adjusting rod, one end of each fixing rod, located inside the rotating rod, is of an inclined plane structure with the height gradually; adjust the horizontal position of regulating stem through artifical mode to reach the purpose of adjusting the dead lever position, when the dead lever portion stretches out the rotary rod lateral wall, the guide ring can be fixed on the rotary rod with rolling the ring, otherwise can pull down guide ring and rolling ring from the rotary rod, in order to maintain cleaning work with rolling the ring to the guide ring.

Preferably, the arc-shaped screen comprises a fixed frame body, a rotating rod, a rotating screen and a return spring, the fixed frame body is arranged on the inner wall of the box body, two rotating grooves are symmetrically formed in the fixed frame body in the front and back direction, the rotating rods are rotatably arranged on the left inner wall and the right inner wall of each rotating groove, the rotating screen is detachably arranged between the rotating rods which are symmetrically arranged in the left and right direction, the return spring is detachably arranged between the rotating screen and the fixed frame body, the cross section of the rotating screen is of an inverted structure, and ceramic particles can be prevented from falling outside the rotating; after the ceramic particles fall on the rotary screen, impact is generated on the rotary screen, so that the rotary screen can shake, the purpose of improving the distribution uniformity of the ceramic particles on the rotary screen is achieved, and the speed of screening the ceramic particles is accelerated.

Preferably, crushing pressure disk includes pressure disk main part and crushing clamp plate two parts, and the terminal surface is the inclined plane structure of highly progressively rising from the centre to the left and right sides under the pressure disk main part, installs crushing clamp plate through detachable mode on the terminal surface under the pressure disk main part, can change crushing clamp plate according to the actual degree of wear of crushing clamp plate, and need not to change whole crushing pressure disk.

Preferably, extrusion rods are installed at the left end and the right end of the crushing pressure plate, the bottom of each extrusion rod is an inverted isosceles trapezoid structure with inclined front and back ends, a moving block is arranged below each extrusion rod, the moving block is a right-angled trapezoid structure with an inclined surface at one end close to each extrusion rod, the moving block is installed at the upper end of a moving plate, the moving plate is slidably installed on a fixed plate, a spring is connected between the moving plate and the fixed plate, the moving plate can slide front and back relative to the fixed plate, a plurality of homogenizing rods are evenly installed on the moving plate, when the extrusion rods linearly reciprocate up and down along with the crushing pressure plate, thrust far away from the direction of each extrusion rod can be intermittently generated on the moving block, the moving plate synchronously moves along with the moving plate, and when the thrust disappears, the moving plate drives the moving block to return, make even material pole can constantly stir the ceramic chip between crushing pressure disk and the fixed plate, prevent that ceramic chip from piling up and the condition of immobilization from appearing.

Preferably, the diameter size of the branch material mouth of seting up on the branch flitch is the trend of from the centre to controlling both sides crescent to the most part of pottery piece falls out from the branch material mouth that is located branch flitch middle part and leads to the inhomogeneous condition of distribution of pottery piece to take place, and divides the diameter of material mouth all to be greater than the diameter of the material passing mouth of seting up on No. three baffles, takes place in order to avoid the unable condition through the material passing mouth of pottery piece.

The invention has the beneficial effects that:

1. according to the invention, the primary crushing device and the secondary crushing device are matched together to realize the function of making the ceramic product into ceramic particles with the size meeting the requirement, and in the crushing process, the ceramic product is subjected to multiple crushing treatments and screening treatments, so that the size uniformity of the prepared ceramic particles is effectively improved, and the overall quality of the ceramsite concrete prepared by taking the ceramic product as the raw material is ensured.

2. The primary crushing device provided by the invention drives the crushing pressure plate to perform vertical reciprocating linear motion through the driving mechanism so as to crush ceramic fragments with larger size into ceramic fragments with smaller size, and the crushed ceramic fragments can fall onto the material distribution plate from the blanking port after being sequentially screened by the first partition plate, the second partition plate and the third partition plate and fall into the secondary crushing device through the material distribution port so as to perform secondary crushing treatment on the ceramic fragments.

3. According to the two-stage crushing device provided by the invention, ceramic fragments are crushed by the two crushing rollers which rotate in opposite directions, the crushed ceramic particles fall on the arc-shaped screen, the ceramic particles with the size meeting the requirement fall into the material collecting box through the screen holes, the ceramic particles with the size not meeting the requirement are accumulated on the arc-shaped screen, and then the ceramic particles are brought above the crushing rollers along with the rotating crushing rollers, and can be crushed again after falling into a gap between the two crushing rollers, and the ceramic particles not meeting the size requirement can be poured between the two crushing rollers without a manual mode or an additional driving mechanism.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of a method of the present invention;

FIG. 2 is a front cross-sectional view of the ceramic pulverizing apparatus of the present invention;

FIG. 3 is a top view of the fixation plate of the present invention;

FIG. 4 is a perspective view of the crushing roller and the rotating rod according to the present invention;

FIG. 5 is a perspective view of the arcuate screen of the present invention;

FIG. 6 is a perspective view of the distributor plate of the present invention;

fig. 7 is a front sectional view of the crushing roller, the rotating rod and the driven gear of the present invention.

Fig. 8 is a right side view of the invention between the ram, moving block and moving plate.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 8, a method for preparing ceramsite concrete uses a ceramic crushing apparatus, which comprises a box body 1, a primary crushing device 2, a secondary crushing device 3 and a material collecting box 4, wherein the concrete process flow of the ceramic crushing apparatus for manufacturing and processing ceramic concrete is as follows:

s2, primary crushing: putting the ceramic product into a box body 1, and carrying out primary crushing treatment on the ceramic product through a primary crushing device 2 so as to process the waste ceramic product into ceramic fragments with smaller sizes;

s3, secondary crushing: the ceramic fragments are subjected to secondary crushing treatment by a secondary crushing device 3 to be processed into ceramic particles with specified sizes;

the upper end of the box body 1 is provided with a feeding hole, the lower end of the box body 1 is provided with a placing groove, a material collecting groove is placed in the placing groove, a primary crushing device 2 and a secondary crushing device 3 are sequentially arranged in the box body 1 from top to bottom, and a material collecting box 4 is positioned under the secondary crushing device 3;

the primary crushing device 2 comprises a driving mechanism 21, a crushing pressure plate 22, a fixed plate 23, a material distribution plate 24, a first partition plate 25, a second partition plate 26, a third partition plate 27 and a lifting block 28, the driving mechanism 21 is installed at the upper end of the box body 1, the lower end of the driving mechanism 21 is connected with the crushing pressure plate 22, the fixed plate 23 and the material distribution plate 24 are sequentially arranged at the lower end of the crushing pressure plate 22 from top to bottom, the crushing pressure plate 22, the fixed plate 23 and the material distribution plate 24 are all installed on the inner wall of the box body 1, the material distribution plate 24 is in sliding connection with the inner wall of the box body 1, a spring is connected between the lower end of the material distribution plate 24 and the inner wall of the box body 1, a;

two first baffles 25 are symmetrically arranged between the lower end of the crushing pressure plate 22 and the upper end of the fixed plate 23 from left to right, a second baffle 26 and a third baffle 27 are sequentially arranged on the inner side of the first baffle 25 from outside to inside, the lower ends of the first baffle 25 and the second baffle 26 are both connected with the fixed plate 23, the upper ends of the first baffle 25 and the second baffle 26 are both connected with the crushing pressure plate 22 in a sliding way, the lower end of the third baffle 27 is connected with the inner wall of a blanking port arranged on the fixed plate 23 in a sliding way, the upper end of the third baffle 27 is detachably connected with the lower end of the crushing pressure plate 22, material passing ports are arranged on the side walls of the first baffle 25, the second baffle 26 and the third baffle 27, the diameter of the material passing port arranged on the first baffle 25 is the largest, the diameter of the material passing port arranged on the third baffle 27 is the smallest, the bottom end of the third baffle 27 is clung to, the lifting block 28 can be intermittently pressed downwards, so that the material distributing plate 24 can do reciprocating linear motion up and down under the matching action of the spring, and the aim of improving the distribution uniformity of the ceramic fragments on the material distributing plate 24 is fulfilled; drive crushing pressure disk 22 through actuating mechanism 21 and carry out reciprocating linear motion from top to bottom to ceramic fragment that is the size is less is crushed to the great ceramic fragment of size, and the ceramic fragment that is crushed just can fall to on the branch flitch 24 from the blanking mouth after the screening of a baffle 25, No. two baffles 26 and No. three baffles 27 in proper order, and fall into second grade reducing mechanism 3 through dividing the material mouth, in order to carry out second grade shredding to it.

Actuating mechanism 21 includes driving motor 211, the actuating lever 212, rotation cam 213 and lifter 214, driving motor 211 passes through the motor cabinet and installs on 1 lateral wall of box, driving motor 211 output shaft is connected with actuating lever 212 one end through the shaft coupling, the actuating lever 212 other end rotates and installs on 1 lateral wall of box, actuating lever 212 mid-mounting has rotation cam 213, the spread groove upper end sliding connection who offers in rotation cam 213 upper end and lifter 214 middle part, can drive rotation cam 213 on the actuating lever 212 after starting driving motor 211 and carry out the circumferential rotation, and then drive lifter 214 and carry out reciprocal linear motion from top to bottom, make crushing pressure disk 22 can extrude the pottery from top to bottom, in order to extrude the less ceramic fragment of size with bold ceramic fragment.

Crushing pressure disk 22 includes pressure disk main part 221 and crushing clamp plate 222 two parts, and the terminal surface is the inclined plane structure of progressively heightening from the middle to the left and right sides height under the pressure disk main part 221, installs crushing clamp plate 222 through detachable mode on the terminal surface under the pressure disk main part 221, can change crushing clamp plate 222 according to the actual wearing and tearing degree of crushing clamp plate 222, and need not to change whole crushing pressure disk 22.

The left end and the right end of the crushing pressure plate 22 are both provided with an extrusion rod 22a, the bottom of the extrusion rod 22a is an inverted isosceles trapezoid structure with inclined front and back ends, a moving block 23a is arranged below the extrusion rod 22a, the moving block 23a is a right-angled trapezoid structure with an inclined front end and a back end close to the extrusion rod 22a, the moving block 23a is arranged at the upper end of a moving plate 23b, the moving plate 23b is slidably arranged on a fixed plate 23, a spring is connected between the moving plate 23b and the fixed plate 23, the moving plate 23b can slide back and forth relative to the fixed plate 23, a plurality of material homogenizing rods 23c are uniformly arranged on the moving plate 23b, when the extrusion rod 22a linearly reciprocates up and down along with the crushing pressure plate 22, the moving block 23a can be intermittently pushed away from the direction of the extrusion rod 22a, the moving plate 23b synchronously moves along with the moving plate 23b, and, with this reciprocation, the moving plate 23b can perform a back-and-forth reciprocating linear motion, so that the homogenizing rod 23c can constantly stir the ceramic chips between the pulverizing platen 22 and the fixed plate 23, preventing the occurrence of a situation where the ceramic chips are accumulated and immobilized.

The diameter size of the branch material mouth of seting up on the branch flitch 24 is the trend that both sides increase gradually about from the centre to the most part of pottery piece falls out from the branch material mouth that is located branch flitch 24 middle part and leads to the inhomogeneous condition of distribution of pottery piece to take place, and divides the diameter of material mouth all to be greater than the diameter of the material passing mouth of seting up on No. three baffles 27, takes place in order to avoid the unable condition through the material passing mouth of pottery piece.

The secondary crushing device 3 comprises a rotary motor 31, rotary rods 32, driving gears 33, driven gears 34, crushing grinding rollers 35 and arc-shaped screens 36, the rotary motor 31 is installed on the side wall of the box body 1 through a motor base, two rotary rods 32 are symmetrically installed on the inner wall of the box body 1 in a front-back rotating mode, one end of one rotary rod 32 is connected with one end of the rotary motor 31 through a coupler, the driving gear 33 is installed at the other end of the rotary rod 32, the driving gears 33 are meshed with the driven gears 34, the driven gears 34 are installed on the other rotary rod 32, the crushing grinding rollers 35 are installed on the two rotary rods 32, the arc-shaped screens 36 are arranged below the crushing grinding rollers 35, the arc-shaped screens 36 are installed on the inner wall of the box body 1, and the upper ends of the; after the rotating motor 31 is started, under the mutual matching action of the driving gear 33 and the driven gear 34, the two rotating rods 32 symmetrically arranged front and back can rotate in opposite directions, so that the two crushing rollers 35 can crush ceramic fragments, the crushed ceramic particles fall on the arc-shaped screen 36, the ceramic particles with the size meeting the requirements fall into the material collecting box 4 through the screen holes, the ceramic particles with the size not meeting the requirements are accumulated on the arc-shaped screen 36, then the ceramic particles are taken to the upper part of the crushing rollers 35 along with the rotated crushing rollers 35, and the crushed ceramic particles can be crushed again after falling into the gap between the two crushing rollers 35 until the size meets the requirements, and the ceramic particles which do not meet the size requirements can be poured between the two crushing rollers 35 again without a manual mode or an additional driving mechanism.

The crushing roller 35 comprises guide rings 351, a grinding ring 352, grinding teeth 353, a fixing rod 354 and an adjusting rod 355, wherein the rotating rod 32 is of a hollow structure, a plurality of guide rings 351 are uniformly sleeved on the rotating rod 32 from left to right, the diameters of the guide rings 351 are gradually reduced from the middle to the left and right sides so as to guide ceramic fragments onto the grinding ring 352, the grinding ring 352 is arranged between the left and right adjacent guide rings 351, the grinding ring 352 is sleeved on the rotating rod 32, a plurality of grinding teeth 353 are uniformly arranged on the side wall of the grinding ring 352 along the circumferential direction in a detachable mode, the guide rings 351 and the grinding ring 352 are both fixed on the rotating rod 32 through the fixing rod 354, the fixing rod 354 is slidably mounted on the rotating rod 32, one end of the fixing rod 354 located inside the rotating rod 32 is tightly attached to the adjusting rod 355, one end of the fixing rod 354 located inside the rotating rod 32 is of an, the adjusting rod 355 is slidably mounted on the inner wall of the rotating rod 32; the horizontal position of the adjusting rod 355 is manually adjusted to achieve the purpose of adjusting the position of the fixing rod 354, when the fixing rod 354 partially extends out of the side wall of the rotating rod 32, the guide ring 351 and the rolling ring 352 can be fixed on the rotating rod, otherwise, the guide ring 351 and the rolling ring 352 can be detached from the rotating rod, so that the guide ring 351 and the rolling ring 352 can be maintained and cleaned.

The arc-shaped screen 36 comprises a fixed frame 361, a rotating rod 362, a rotating screen 363 and a return spring 364, wherein the fixed frame 361 is installed on the inner wall of the box body 1, two rotating grooves are symmetrically formed in the fixed frame 361 in the front and back direction, the rotating rods 362 are rotatably installed on the left inner wall and the right inner wall of each rotating groove, the rotating screen 363 is detachably installed between the rotating rods 362 which are symmetrically arranged in the left and right direction, the return spring 364 is detachably installed between the rotating screen 363 and the fixed frame 361, the cross section of the rotating screen 363 is of an inverted omega-shaped structure, and the ceramic particles can be prevented from being scattered outside the; after falling on the rotary screen 363, the ceramic particles impact the rotary screen 363, so that the rotary screen 363 can shake, the purpose of improving the distribution uniformity of the ceramic particles on the rotary screen 363 is achieved, and the speed of screening the ceramic particles is increased.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The preparation method of the ceramsite concrete uses a ceramic crushing device, the ceramic crushing device comprises a box body (1), a primary crushing device (2), a secondary crushing device (3) and a material collecting box (4), and the preparation method is characterized in that: the concrete process flow when the ceramic concrete is manufactured and processed by adopting the ceramic crushing equipment is as follows:

s2, primary crushing: putting the ceramic product into a box body (1), and carrying out primary crushing treatment on the ceramic product through a primary crushing device (2) so as to process the waste ceramic product into ceramic fragments with smaller sizes;

s3, secondary crushing: performing secondary crushing treatment on the ceramic fragments through a secondary crushing device (3) to process the ceramic fragments into ceramic particles with specified sizes;

the automatic feeding device is characterized in that a feeding hole is formed in the upper end of the box body (1), a placing groove is formed in the lower end of the box body (1), a material collecting groove is arranged in the placing groove, a primary crushing device (2) and a secondary crushing device (3) are sequentially arranged in the box body (1) from top to bottom, and a material collecting box (4) is located under the secondary crushing device (3);

the primary crushing device (2) comprises a driving mechanism (21), a crushing pressure plate (22), a fixing plate (23), a material distributing plate (24), a first clapboard (25), a second clapboard (26), a third clapboard (27) and a lifting block (28), the driving mechanism (21) is arranged at the upper end of the box body (1), the lower end of the driving mechanism (21) is connected with the crushing pressure plate (22), the fixing plate (23) and the material distributing plate (24) are sequentially arranged at the lower end of the crushing pressure plate (22) from top to bottom, the crushing pressure plate (22), the fixing plate (23) and the material distributing plate (24) are all arranged on the inner wall of the box body (1), the material distributing plate (24) is in sliding connection with the inner wall of the box body (1), a spring is connected between the lower end of the material distributing plate (24) and the inner wall of the box body (1), a blanking port is formed in the middle of the fixing plate (23), and a plurality of material distributing ports are formed in the material distributing plate (24);

two first partition plates (25) are symmetrically arranged between the lower end of the crushing pressure plate (22) and the upper end of the fixed plate (23) from left to right, a second partition plate (26) and a third partition plate (27) are sequentially arranged on the inner side of the first partition plate (25) from outside to inside, the lower ends of the first partition plate (25) and the second partition plate (26) are both connected with the fixed plate (23), the upper ends of the first partition plate (25) and the second partition plate (26) are both connected with the crushing pressure plate (22) in a sliding manner, the lower end of the third partition plate (27) is connected with the inner wall of a blanking port arranged on the fixed plate (23) in a sliding manner, the upper end of the third partition plate (27) is detachably connected with the lower end of the crushing pressure plate (22), the side walls, the diameter of a material passing opening formed in the first partition plate (25) is the largest, the diameter of a material passing opening formed in the third partition plate (27) is the smallest, and the bottom end of the third partition plate (27) is tightly attached to the top end of a lifting block (28) arranged on the material distributing plate (24);

the two-stage crushing device (3) comprises a rotating motor (31), rotating rods (32), a driving gear (33), a driven gear (34), a crushing roller (35) and an arc screen (36), wherein the rotating motor (31) is installed on the side wall of the box body (1) through a motor base, two rotating rods (32) are symmetrically installed on the inner wall of the box body (1) in front and back directions in a rotating mode, one end of one rotating rod (32) is connected with one end of the rotating motor (31) through a coupler, the driving gear (33) is installed at the other end of the rotating rod, the driving gear (33) is meshed with the driven gear (34), the driven gear (34) is installed on the other rotating rod (32), the crushing roller (35) is installed on the two rotating rods (32), the arc screen (36) is arranged below the crushing roller (35), and the arc screen (36) is installed, the upper end of the arc-shaped screen (36) is of an arc-shaped surface structure which is matched with the lower end of the crushing roller (35) in a concave-convex way.

2. The method for preparing ceramsite concrete according to claim 1, wherein the method comprises the following steps: actuating mechanism (21) include driving motor (211), actuating lever (212), rotate cam (213) and lifter (214), driving motor (211) are installed on box (1) lateral wall through the motor cabinet, driving motor (211) output shaft is connected with actuating lever (212) one end through the shaft coupling, the actuating lever (212) other end is rotated and is installed on box (1) lateral wall, actuating lever (212) mid-mounting has rotation cam (213), the spread groove upper end sliding connection of seting up in rotation cam (213) upper end and lifter (214) middle part.

3. The method for preparing ceramsite concrete according to claim 1, wherein the method comprises the following steps: the crushing roller (35) comprises guide rings (351), rolling rings (352), rolling teeth (353), a fixing rod (354) and an adjusting rod (355), the rotating rod (32) is of a hollow structure, a plurality of guide rings (351) are uniformly sleeved on the rotating rod (32) from left to right, the diameter of each guide ring (351) is gradually reduced from the middle to the left and right sides, a rolling ring (352) is arranged between the left and right adjacent guide rings (351), the rolling ring (352) is sleeved on the rotating rod (32), a plurality of rolling teeth (353) are uniformly arranged on the side wall of the rolling ring (352) along the circumferential direction in a detachable mode, the guide rings (351) and the rolling rings (352) are fixed on the rotating rod (32) through the fixing rod (354), the fixing rod (354) is slidably mounted on the rotating rod (32), one end of the fixing rod (354) inside the rotating rod (32) is tightly attached to the adjusting rod (355), one end of the fixed rod (354) positioned in the rotating rod (32) is of an inclined plane structure with the height gradually reduced from left to right, and the adjusting rod (355) is slidably arranged on the inner wall of the rotating rod (32).

4. The method for preparing ceramsite concrete according to claim 1, wherein the method comprises the following steps: arc screen cloth (36) are including fixed framework (361), dwang (362), rotate screen cloth (363) and reset spring (364), fixed framework (361) are installed on box (1) inner wall, two rotation grooves have been seted up to the symmetry around on fixed framework (361), rotate and install dwang (362) on the inner wall about the rotation groove, detachable installs rotation screen cloth (363) between the dwang (362) of bilateral symmetry arrangement, reset spring (364) are installed to detachable between rotation screen cloth (363) and the fixed framework (361), rotation screen cloth (363) cross-section is the omega type structure of invering, can prevent that the ceramic granule from spilling the condition of falling rotation screen cloth 363 outside and taking place.

5. The method for preparing ceramsite concrete according to claim 1, wherein the method comprises the following steps: crushing pressure disk (22) include pressure disk main part (221) and crushing clamp plate (222) two parts, and the terminal surface is the inclined plane structure of progressively heightening from the centre to the left and right sides height under pressure disk main part (221), installs crushing clamp plate (222) through detachable mode on the terminal surface under pressure disk main part (221).

6. The method for preparing ceramsite concrete according to claim 1, wherein the method comprises the following steps: crushing pressure disk (22) are controlled both ends and are all installed squeeze bar (22a), squeeze bar (22a) bottom is the inverted isosceles trapezoid structure of front and back both ends for the inclined plane, moving block (23a) have been arranged to squeeze bar (22a) below, moving block (23a) are the right trapezoid structure of inclined plane for the one end that is close to squeeze bar (22a), moving block (23a) are installed in movable plate (23b) upper end, movable plate (23b) slidable mounting is on fixed plate (23), be connected with the spring between movable plate (23b) and fixed plate (23), but movable plate (23b) relatively fixed plate (23) fore-and-aft slip, evenly install many evenings pole (23c) on movable plate (23 b).

7. The method for preparing ceramsite concrete according to claim 1, wherein the method comprises the following steps: the diameter of the material distributing opening formed in the material distributing plate (24) is gradually increased from the middle to the left side and the right side, and the diameter of the material distributing opening is larger than that of the material passing opening formed in the third partition plate (27).