CN113942122A

CN113942122A - Production line for producing concrete from construction waste

Info

Publication number: CN113942122A
Application number: CN202111224899.1A
Authority: CN
Inventors: 林应勤
Original assignee: Wenling Qianyuan Environmental Protection Technology Co ltd
Current assignee: Wenling Qianyuan Environmental Protection Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-01-18
Anticipated expiration: 2041-10-21
Also published as: CN113942122B

Abstract

The invention provides a production line for producing concrete from construction waste, and belongs to the technical field of machinery. The method solves the problems that the building waste treatment production line has low treatment efficiency and can not treat the building waste into directly used concrete. This production line of concrete is made to construction waste, including the feed bin that sets gradually, the batcher, jaw breaker, central feed bin, the reaction crusher, shale shaker one, shale shaker two, the system sand machine, sand washer, the concrete mixing plant, a plurality of not unidimensional grit can be sorted out respectively to shale shaker one and shale shaker two with the grit after smashing and export through corresponding the output tape, sand washer links to each other with one of them output tape, the concrete mixing plant includes a plurality of storage silos, conveyer belt and mixer, the equal design weighing scale of downside of storage silo, the conveyer belt links to each other with the feed inlet of mixer. This production line that building rubbish made concrete has can directly make building rubbish concrete and production efficiency height, safe environmental protection's advantage.

Description

Production line for producing concrete from construction waste

Technical Field

The invention belongs to the technical field of machinery, relates to a production line, and particularly relates to a production line for producing concrete from building wastes.

Background

Construction waste is solid waste generated during the process of building construction, reconstruction, extension or demolition. According to different generation sources of the construction waste, the construction waste can be divided into construction waste and demolition waste. The construction waste is solid waste generated in new construction, reconstruction or extension projects, and the demolition construction waste is construction waste generated in demolition and demolition of buildings.

With the acceleration of the urbanization process, a large amount of construction waste is generated in urban construction and old city reconstruction, the amount of the construction waste accounts for more than 1/3 of the total amount of the urban waste, wherein most of the construction waste is not treated and is transported to the suburbs or villages by construction units, the construction waste is stacked or buried in the open air, a large amount of land charge and waste clearing and transporting charge are consumed, a large amount of land is occupied, the phenomena of waste village and city are formed, the urban and rural image is seriously influenced, and then huge environmental problems, economic problems and even social problems are caused. The construction waste recycling work is combined with the production of economic wall materials, and the construction waste is used for producing the sand for construction, so that a large amount of construction waste which cannot be treated is consumed, the problem of reasonable utilization of resources is solved, the utilization efficiency of the resources can be effectively improved, the ecology is protected, and the economic development is promoted.

In the construction waste treatment technology in the prior art, construction waste is treated by adopting a method of crushing the construction waste and then manually sorting the construction waste or adding a chemical treatment agent into the construction waste to regenerate a construction material, but the construction waste treatment efficiency in the prior stage is low and the construction waste cannot be treated into directly used concrete.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a production line for producing concrete by using construction waste, which is high in production efficiency, safe and environment-friendly and can directly produce the concrete by using the construction waste.

The purpose of the invention can be realized by the following technical scheme: the production line for producing the concrete from the construction waste comprises a storage bin, a feeding machine, a jaw crusher, a central storage bin, an impact crusher, a vibrating screen I, a vibrating screen II, a sand making machine, a sand washing machine and a concrete mixing station which are sequentially arranged, and is characterized in that the feeding machine is arranged on the lower side of the storage bin, a discharge port of the storage bin is communicated with a feeding port of the feeding machine, the feeding machine is provided with two discharge ports, one discharge port of the feeding machine is communicated with a feed port of the jaw crusher, a discharge port of the jaw crusher is connected with the central storage bin through the conveying belt I, the central storage bin is connected with the impact crusher through the conveying belt II, the impact crusher is connected with the vibrating screen I and the vibrating screen II through the conveying belt III, and the vibrating screen II is connected with the sand making machine through the conveying belt IV, system sand machine pass through conveyer belt five and link to each other with sand washer, shale shaker one and shale shaker two can divide the grit of smashing after the bits of broken glass to select a plurality of unidimensional grit respectively and export through corresponding the output, sand washer and one of them output area link to each other, shale shaker one with conveyer belt one between be equipped with feed back conveyer belt one just feed back conveyer belt one will surpass the grit of setting for the size and loopback to conveyer belt one, the concrete mixing plant include a plurality of storage silos, conveyer belt and mixer, the storage silo be located the terminal one side of conveyer belt, the downside of storage silo all be equipped with the measurement of one-to-one, the measurement be located the upside of conveyer belt just the conveyer belt with the feed inlet of mixer link to each other.

When the garbage crusher works, construction garbage is guided into a bin, the construction garbage in the bin falls into a feeder, the feeder feeds the construction garbage to a jaw crusher, the construction garbage is crushed by the jaw crusher and falls onto a first conveying belt, the first conveying belt conveys the construction garbage to a central bin, impurities such as iron nails of the construction garbage on the first conveying belt are removed by an iron remover, then the central bin conveys the construction garbage to a counterattack crusher through a second conveying belt, the construction garbage is crushed again by the counterattack crusher, then the construction garbage is conveyed to a first vibrating screen and a second vibrating screen through a third conveying belt, crushed sand stones are respectively sorted out by the first vibrating screen and the second vibrating screen to be output through corresponding output belts, the second vibrating screen conveys part of the sand stones to a sand making machine through a fourth conveying belt, and the sand making machine makes the sand stones into regenerated sand, and carry to the sand washer through conveyer belt five, filter the regeneration sand through the sand washer and wash and carry to the output of corresponding output band, not unidimensional grit is carried to in the storage silo that corresponds, will surpass to set for the grit of size and loopback to conveyer belt one through feed back conveyer belt one, carry out breakage once more, the grit in the storage silo is sent to the conveyer belt according to setting for weight through the measurement balance, carries to the mixer through the conveyer belt and stirs into the concrete, has the advantage of production efficiency height and safety ring guarantor.

In the production line for producing concrete from construction waste, the lower parts of the storage bin and the metering scale are respectively provided with a control valve for controlling the flow of sand and stone. Open and close through control valve control storage silo and measurement scale, can control the weight of puting in the grit, have the advantage of being convenient for control grit ratio and reliable operation stability.

In the production line for producing concrete from building garbage, the other discharge port of the feeder is communicated with an auxiliary conveyor belt, the other end of the auxiliary conveyor belt is communicated with a soil removal vibrating screen, the soil removal vibrating screen is provided with a residue soil discharge port and a sand and stone discharge port, and a feed back conveyor belt II is arranged between the sand and stone discharge port and the conveyor belt I. The dregs and the grit of another discharge gate of batcher are carried to removing native shale shaker through supplementary conveyer belt, remove the dregs through removing native shale shaker, then send the grit back to conveyer belt one through feed back conveying belt two to in the central feed bin is sent to for a moment through the conveyer belt, improved construction waste's utilization ratio.

In the production line for producing concrete from construction waste, the upper side of the second conveying belt is provided with an iron remover, and the iron remover is a super-magnetic iron remover. The iron remover adopts a super-magnetic iron remover and has the advantage of good iron removing effect.

In the production line for producing concrete from construction waste, the lower side of the second vibrating screen is connected with a first output belt for conveying 0-5mm regenerated sand, a second output belt for conveying 5-10 mm broken stones and a third output belt for conveying 10-25 mm regenerated stones, and the return conveying belt is used for conveying stones exceeding 25 mm. By adopting the device, the gravel aggregate passing through the vibrating screen is classified into gravels with different sizes, so that the concrete can be directly prepared conveniently, and the device has the advantage of convenient use.

In the production line for producing concrete from construction waste, dust collectors are arranged on one sides of the fourth conveying belt and the fifth conveying belt. And dust collectors are arranged on one sides of the fourth conveying belt and the fifth conveying belt, so that dust is collected on a production line, and the environment-friendly effect is improved.

In the production line for producing concrete from construction waste, a sand and stone crushing device is arranged between the impact crusher and the first vibrating screen.

In the production line for producing concrete from the building waste, the gravel crushing device comprises a base and a support fixedly connected on the base, the upper side of the base is provided with a second bin, the upper end of the second bin is a feed inlet, the lower end of the second bin is a discharge port, the second bin is internally and transversely provided with two crushing rollers and a first driving mechanism for driving the two crushing rollers to rotate, the base is internally provided with a crushing cavity, the upper end of the crushing cavity is a feed inlet communicated with a discharge port of the second bin, the crushing cavity is internally provided with a crushing barrel, the outer side wall of the crushing barrel is provided with a plurality of rows of crushing holes, the base is provided with a stamping roller horizontally arranged and a second driving mechanism capable of driving the stamping roller to reciprocate and horizontally move, the stamping roller corresponds to the crushing holes one to one, and the stamping roller can stretch into the crushing holes, the lower extreme in crushing chamber be equipped with the filter, the base on be equipped with and to drive a crushing section of thick bamboo pivoted rotary mechanism, rotary mechanism can drive a crushing section of thick bamboo rotate and make the crushing hole just right with discharge gate, punching press roller and the filter plate of feed bin two in proper order.

The during operation, treat to smash the grit and enter into feed bin two in through the feed inlet, rotate through two crushing rollers and treat to smash the grit and carry out primary crushing processing, then the grit after primary crushing enters into the crushing downthehole through the discharge gate, rotary mechanism drives the crushing section of thick bamboo and rotates and make the crushing hole just right with the punching press roller, then two drive actuating mechanism drive punching press roller remove make the punching press roller toward the downthehole grit that removes the crushing hole carry out the regrinding, then two drive actuating mechanism drive punching press roller reset and make the punching press roller break away from the crushing hole, then rotary mechanism drives the crushing section of thick bamboo and rotates and make the crushing hole vertical down, the grit after smashing falls into and filters and discharges on the filter, and has the advantages of simple structure compactness, it is effectual and work efficiency is high to smash the grit.

In the production line for producing concrete from construction waste, the first driving mechanism is a first speed reduction motor with a shell fixedly connected to the base, and a rotating shaft of the first speed reduction motor is fixedly connected with the crushing roller. The first driving mechanism adopts the first speed reducing motor, and has the advantages of simple structure and reliable and stable work.

In the production line of foretell building rubbish system concrete, actuating mechanism two include that one end articulates the swivel mount on the base, the lower extreme both sides of swivel mount articulated have the connecting rod, the outer end of two connecting rods articulates there is the installation pole, the punching press roller link firmly the installation pole on, the support on be equipped with the punching press cylinder, the cylinder body of punching press cylinder articulate on the base, the piston rod of punching press cylinder with the middle part of swivel mount articulated mutually. Punching press cylinder drives the swivel mount swing and drives punching press roller reciprocating motion, makes the punching press roller can stretch into the crushing pore pair grit and smash, has crushing effectual and simple structure, easy dismounting's advantage.

In the production line for producing concrete from construction waste, a fisheye joint is arranged between the rotating frame and the connecting rod, and two ends of the fisheye joint are fixedly connected with the rotating frame and the connecting rod respectively. The fisheye joint is arranged between the rotating frame and the connecting rod, and the fisheye joint has the advantages of reliable work and convenience in installation.

In the production line for producing concrete from construction waste, a row of guide holes are horizontally formed in the side part of the base, the guide holes correspond to the stamping rollers one by one, the inner ends of the guide holes are communicated with the crushing cavity, and the stamping rollers penetrate through the guide holes. The punching roller penetrates through the guide hole, so that the movement of the punching roller is well guided, and the working reliability is improved.

In the production line for producing concrete from construction waste, the rotating mechanism comprises a rotating cylinder with a cylinder body hinged on a support, a swing rod is arranged between a piston rod of the rotating cylinder and the outer end of the crushing cylinder, and two ends of the swing rod are fixedly connected with the piston rod of the rotating cylinder and the outer end of the crushing cylinder respectively.

In the production line for manufacturing the concrete from the construction waste, two crushing barrels and two groups of stamping rollers, a second driving mechanism and a rotating mechanism are arranged in the crushing cavity, and the two groups of stamping rollers, the second driving mechanism and the rotating mechanism are arranged in a bilateral symmetry manner.

In the production line for producing concrete from construction waste, the lower end of the base is provided with a horizontally arranged chute, and a filter plate is inserted into the chute. In the spout is inserted to the filter, be convenient for screen the grit after the crushing, have simple structure and the better advantage of screening effect.

In the production line for manufacturing the concrete by the construction waste, two rows of pulleys are axially and fixedly connected to two sides of the sliding groove, two side edges of the filter plate are embedded in the sliding groove, and the lower end faces of two sides of the filter plate are abutted against the pulleys. Insert the spout along the pulley through the both sides border of filter in, have easy dismounting's laborsaving advantage.

In the production line of making the concrete at foretell building rubbish, the formula of strikeing breaker include hollow frame, the frame on be equipped with the casing, the casing include feed end, broken chamber, the lower extreme of frame be the discharge end, broken intracavity wear to be equipped with the rotor, the frame on be equipped with the motor just the motor drive the rotor rotate, the lateral wall ring of rotor be equipped with a plurality of boards hammers, broken intracavity be equipped with first counterattack board and second counterattack board, the one end of first counterattack board articulate the casing on, the other end of first counterattack board with the casing between be equipped with actuating mechanism three just actuating mechanism three can drive first counterattack board to the reciprocal swing of rotor. During operation, building rubbish enters into broken intracavity through the feed end, drives the rotor through the motor and rotates, and the rotor drives the board hammer and rotates, carries out the crushing processing to building rubbish, and part material is got rid of and is carried out the secondary breakage on first counterattack board and the second counterattack board, drives first counterattack board swing through actuating mechanism three, when carrying out the secondary breakage to the material, can make the breakage more even, has the advantage that job stabilization is reliable, work efficiency is high simultaneously.

In the production line for producing concrete from construction waste, the first impact plate comprises a plate body, a plurality of tooth-shaped bodies are inserted and fixedly connected onto the plate body, and the plate body is fixedly connected with the tooth-shaped bodies through screws. The tooth-shaped body is inserted on the plate body and is fixedly connected through the screw, and the plate has the advantages of being convenient to manufacture and replace the tooth-shaped body or the plate body.

In the production line for manufacturing the concrete from the construction waste, the driving mechanism III comprises a first oil cylinder with a cylinder body hinged on the shell, and a piston rod of the first oil cylinder is hinged with the other end of the first counterattack plate. And the driving mechanism III adopts the oil cylinder I, so that the angle of the first impact plate can be adjusted in the crushing process, and the crushing effect is improved.

In the production line for manufacturing the concrete from the construction waste, the driving mechanism III comprises a first air cylinder with a cylinder body hinged on the shell, and a piston rod of the first air cylinder is hinged with the other end of the first impact plate.

In the production line for producing concrete from construction waste, a driving mechanism IV is arranged between the second impact plate and the shell and can drive the second impact plate to reciprocate relative to the rotor. The driving mechanism drives the second impact plate to lift, so that the gap between the rotor and the second impact plate is adjusted, and the crushing efficiency is improved.

In the production line for producing concrete from construction waste, the driving mechanism IV is an oil cylinder II with a cylinder body fixedly connected on the shell, and a piston rod of the oil cylinder II is fixedly connected with the second counterattack plate. And the driving mechanism IV adopts the oil cylinder II, and has the advantages of large acting force, simple structure and convenience in installation.

In the production line for producing concrete from construction waste, the sections of the first impact plate and the second impact plate are in a sawtooth shape. By adopting the arrangement, the chopping device has the advantage of good chopping effect.

In the production line for producing concrete from construction waste, the rotating shaft of the motor and the outer end of the rotor are driven by a synchronous belt.

In the production line for producing concrete from construction waste, the cross section of the rotor is square, the outer side wall of the rotor is provided with a strip-shaped groove, the inner end of the plate hammer is embedded in the strip-shaped groove, and the plate hammer is fixedly connected with the rotor through a screw. By adopting the arrangement, the plate hammer has the advantages of good positioning effect and convenient connection.

Compared with the prior art, the production line for making the construction waste into the concrete has the following advantages:

1. the construction waste is crushed by the jaw crusher and the impact crusher, then the sand stones with different sizes are separated by the vibrating screen I and the vibrating screen II, the sand stones with different sizes are conveyed to the corresponding storage bins, conveyed to the conveying belt by the weighing scale according to the set weight, and conveyed to the mixer by the conveying belt to be mixed into concrete, so that the concrete mixing device has the advantage of high production efficiency;

2. the residue soil and the gravel at the other discharge port of the feeder are conveyed to the soil removal vibrating screen through the auxiliary conveying belt, the residue soil is removed through the soil removal vibrating screen, the gravel is returned to the first conveying belt through the second return conveying belt and is conveyed into the central storage bin through the first conveying belt for a while, and the utilization rate of the construction waste is improved;

3. the punching cylinder drives the rotating frame to swing and drives the punching roller to reciprocate, so that the punching roller can stretch into the crushing hole to crush the gravel, and the sand crushing device has the advantages of good crushing effect, simple structure and convenience in disassembly and assembly.

Drawings

FIG. 1 is a schematic view of a first embodiment of a concrete production line from construction waste.

FIG. 2 is a schematic view of the storage silo and blender of the present production line.

FIG. 3 is a schematic view of the blender of the present line.

Fig. 4 is a schematic perspective view of the impact crusher of the present production line.

Fig. 5 is a schematic cross-sectional view of the impact crusher of the present production line. .

FIG. 6 is a schematic view of a second embodiment of a concrete production line using construction waste.

FIG. 7 is a perspective view of the sand crushing apparatus according to the second embodiment of the production line.

FIG. 8 is a schematic top view of the sand crushing apparatus according to the second embodiment of the production line.

FIG. 9 is a schematic sectional view of the sand crushing apparatus according to the second embodiment of the production line.

FIG. 10 is a schematic view of the storage bin, scale and control valve of the present production line.

In the figure, 1, a stock bin; 2. a feeder; 3. a jaw crusher; 4. a central storage bin; 5. A counterattack crusher; 5a, a frame; 5b, a shell; 5b1, feed end; 5b2, crushing chamber; 5b3, a discharge end; 5c, a rotor; 5c1, strip-shaped grooves; 5d, a plate hammer; 5e, a motor; 5f, a first reaction plate; 5f1, a plate body; 5f2, tooth shape; 5g, a second counterattack plate; 5h, a first oil cylinder; 5i, screws; 5j, an oil cylinder II; 6. vibrating a screen I; 7. a second vibrating screen; 8. a sand making machine; 9. washing a sand machine; 10. a first conveying belt; 11. a second conveying belt; 12. conveying belt III; 13. conveying belt IV; 14. conveying belt five; 15. a de-ironing separator; 16. A first material returning conveying belt; 17. an auxiliary conveyor belt; 18. a soil removal vibrating screen; 19. a second feeding conveying belt; 20. outputting a first tape; 21. outputting a second belt; 22. outputting a third belt; 23. a dust remover; 24. a storage bin; 25. a conveyor belt; 26. a blender; 27. weighing; 28. A control valve; 29. a sand and stone crushing device; 29a, a base; 29a1, crushing cavity; 29a2, pilot hole; 29a3, scaffold; 29b and a second storage bin; 29b1, feed inlet; 29c, a crushing roller; 29d, a first driving mechanism; 29d1, a first speed reducing motor; 29e, crushing cylinder; 29e1, crush holes; 29f, a press roll; 29g, a second driving mechanism; 29g1, rotating frame; 29g2, connecting rod; 29g3, mounting bar; 29g4, fisheye linker; 29g5, ram cylinder; 29h, a filter plate; 29i, a rotation mechanism; 29i1, a rotary cylinder; 29i2 and a swing rod; 29j, a chute; 29k, pulley.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 5 and 10, the production line for producing concrete from construction waste comprises a storage bin 1, a feeder 2, a jaw crusher 3, a central storage bin 4, an impact crusher 5, a vibrating screen I6, a vibrating screen II 7, a sand making machine 8, a sand washing machine 9 and a concrete mixing station which are sequentially arranged, wherein the feeder 2 is arranged at the lower side of the storage bin 1, a discharge port of the storage bin 1 is communicated with a feeding port of the feeder 2, the feeder 2 is provided with two discharge ports, one discharge port of the feeder 2 is communicated with a feeding port of the jaw crusher 3, a discharge port of the jaw crusher 3 is connected with the central storage bin 4 through a conveyor belt I10, the central storage bin 4 is connected with the impact crusher 5 through a conveyor belt II 11, the impact crusher 5 is connected with a vibrating screen I6 and a vibrating screen II 7 through a conveyor belt III 12, the vibrating screen II 7 is connected with the sand making machine 8 through a conveyor belt IV 13, the sand making machine 8 is connected with the sand washing machine 9 through a fifth conveying belt 14, the first vibrating screen 6 and the second vibrating screen 7 can separate crushed sand from 0-5mm regenerated sand, 5-10 mm broken stone, 10-25 mm regenerated stone and stones exceeding 25mm respectively, the lower sides of the first vibrating screen 6 and the second vibrating screen 7 are connected with a first output belt 20 for conveying 0-5m regenerated sand, a second output belt 21 for conveying 5-10 mm broken stone and a third output belt 22 for conveying 10-25 mm regenerated stone, a first feed back conveying belt 16 is arranged between the first vibrating screen 6 and the first conveying belt 10, and the first feed back conveying belt 16 returns the stones exceeding 25mm to the first conveying belt 10.

The sand washer 9 is connected with one of the output belts, the concrete mixing station comprises a plurality of storage bins 24, a conveyor belt 25 and a mixer 26, the storage bins 24 are positioned at one side of the tail end of the conveyor belt, the lower sides of the storage bins 24 are respectively provided with a one-to-one corresponding metering scale 27, the lower parts of the storage bins 24 and the metering scales 27 are respectively provided with a control valve 28 for controlling the flow rate of sand and stone, the metering scales 27 are positioned at the upper side of the conveyor belt 25, and the conveyor belt 25 is connected with a feed inlet of the mixer 26.

Another discharge gate intercommunication of batcher 2 has supplementary conveyer belt 17, the other end intercommunication of supplementary conveyer belt 17 has except that native shale shaker 18, it has dregs discharge gate and grit discharge gate to remove native shale shaker 18, be equipped with feed back conveyer belt two 19 between grit discharge gate and the conveyer belt 10, detach the dregs through removing native shale shaker 18, then send the grit back to conveyer belt one 10 through feed back conveying belt two 19, and can deliver to central feed bin 4 in through conveyer belt one 10, improved construction waste's utilization ratio.

Impact crusher 5, including hollow frame 5a, be equipped with casing 5b on the frame 5a, casing 5b includes feed end 5b1, broken chamber 5b2, and the lower extreme of frame 5a is discharge end 5b3, wears to be equipped with rotor 5c in broken chamber 5b2, is equipped with motor 5e on the frame 5a, and through the synchronous belt phase drive between motor 5 e's the pivot and the outer end of rotor 5 c. The outer side wall of the rotor 5c is annularly provided with a plurality of plate hammers 5d, a first counterattack plate 5f and a second counterattack plate 5g are arranged in the crushing cavity 5b2, one end of the first counterattack plate 5f and one end of the second counterattack plate 5g, which are sawtooth-shaped, are hinged to the casing 5b, a third driving mechanism is arranged between the other end of the first counterattack plate 5f and the casing 5b, the third driving mechanism can drive the first counterattack plate 5f to swing back and forth relative to the rotor 5c, the first counterattack plate 5f comprises a plate body 5f1, a plurality of tooth-shaped bodies 5f2 are inserted into the plate body 5f1, and the plate body 5f1 and the tooth-shaped bodies 5f2 are fixedly connected through screws 5 i.

The third driving mechanism comprises a first oil cylinder 5h with a cylinder body hinged on the shell 5b, a piston rod of the first oil cylinder 5h is hinged with the other end of the first impact plate 5f, and the angle of the first impact plate 5f is adjusted through the first oil cylinder 5h in the crushing process, so that the crushing effect is improved. As another mode, the driving mechanism three comprises a first air cylinder with a cylinder body hinged on the shell 5b, and a piston rod of the first air cylinder is hinged with the other end of the first impact plate 5 f.

The driving mechanism four is arranged between the second impact plate 5g and the shell 5b and can drive the second impact plate 5g to reciprocate relative to the rotor 5c, the driving mechanism four is an oil cylinder two 5j with a cylinder body fixedly connected to the shell 5b, a piston rod of the oil cylinder two 5j is fixedly connected with the second impact plate 5g, and the oil cylinder two 5j drives the second impact plate 5g to ascend and descend, so that the gap between the rotor 5c and the second impact plate 5g is adjusted, the crushing efficiency is improved, and the crushing device has the advantages of being large in acting force, simple in structure and convenient to install.

Rotor 5 c's cross-section is squarely, and rotor 5 c's lateral wall all is equipped with bar groove 5c1, and inlay in bar groove 5c1 the inner of bar hammer 5d, and bar hammer 5d links firmly mutually through screw 5i with rotor 5c, and the location effect to bar hammer 5d is good and connect comparatively convenient advantage.

The upper side of the second conveying belt 11 is provided with an iron remover 15, and the iron remover 15 is a super-magnetic iron remover 15 and has the advantage of good iron removal effect. And dust collectors 23 are arranged on one sides of the fourth conveying belt 13 and the fifth conveying belt 14, so that dust is collected on the production line, and the environment-friendly effect is improved.

Impact crusher 5 is at the during operation, with building rubbish leading-in to feed bin 1 in, building rubbish in the feed bin 1 falls into batcher 2, batcher 2 gives building rubbish to jaw crusher 3, crowd garrulous building rubbish through jaw crusher 3, and fall into on conveyer belt 10, carry to central feed bin 4 through conveyer belt 10, through impurity such as iron nail of deironing ware 15 to the building rubbish on the conveyer belt 10, then central feed bin 4 carries building rubbish to impact crusher 5 through conveyer belt two 11, crush building rubbish once more through impact crusher 5, then carry to shale shaker 6 and shale shaker two 7 through conveyer belt three 12 again. When the impact crusher 5 crushes the construction waste, the construction waste enters the crushing cavity 5b2 through the feeding end 5b1, the rotor 5c is driven to rotate through the motor 5e, the rotor 5c drives the plate hammer 5d to rotate, the construction waste is crushed, and partial materials are thrown onto the first impact plate 5f and the second impact plate 5g to be crushed for the second time.

The first vibrating screen 6 and the second vibrating screen 7 can sort the crushed sand into 0-5mm regenerated sand, 5-10 mm crushed stone, 10-25 mm regenerated stone and stones exceeding 25mm respectively, and the crushed sand and stones are output through a first output belt 20, a second output belt 21 and a third output belt 22 respectively, a first feed back conveying belt 16 is arranged between the first vibrating screen 6 and the first conveying belt 10, and the first feed back conveying belt 16 returns the stones exceeding 25mm to the first conveying belt 10. And part of the sand and stones are conveyed to a sand making machine 8 through a fourth conveying belt 13 by the vibrating screen 7, the sand and stones are made into regenerated sand by the sand making machine 8, the regenerated sand is conveyed to a sand washing machine 9 through a fifth conveying belt 14, the regenerated sand is filtered and cleaned by the sand washing machine 9 and conveyed to a corresponding output belt for output, the corresponding sand and stones are conveyed to a corresponding storage bin 24 through a first output belt 20, a second output belt 21 and a third output belt 22, and a cement additive is added into the other storage bin 24. Opening and closing of storage silo 24 and measurement scale 27 is controlled through control valve 28, send sand, stone and cement in the storage silo 24 to conveyer belt 25 according to setting for weight on, carry to mixer 26 through conveyer belt 25 and stir into the concrete, have the advantage that production efficiency is high, have the advantage of being convenient for control grit ratio and reliable operation stability simultaneously. The lower side of the stirrer 26 is provided with a parking space for parking the concrete carrying cart, the parking space is provided with a spraying mechanism capable of spraying the concrete carrying cart, and when the concrete is filled into the carrying cart, the concrete carrying cart is convenient to clean.

Example two

The structure and principle of this embodiment are substantially the same as those of the first embodiment, except that: as shown in fig. 6 to 9, a sand crushing device 29 is arranged between the impact crusher 5 and the first vibrating screen 6, the sand crushing device 29 includes a base 29a and a support 29a3 fixedly connected to the base 29a, a second bin 29b is arranged on the upper side of the base 29a, the upper end of the second bin 29b is a feed inlet 29b1, the lower end of the second bin 29b is a discharge outlet, two crushing rollers 29c and a first driving mechanism 29d driving the two crushing rollers 29c to rotate are transversely arranged in the second bin 29b, engaging teeth are uniformly distributed on the outer side wall of the crushing rollers 29c, the first driving mechanism 29d is a first speed reduction motor 29d1 with a casing fixedly connected to the base 29a, and the rotating shaft of the first speed reduction motor 29d1 is fixedly connected to the crushing rollers 29c, so that the crusher has the advantages of simple structure and reliable and stable operation.

A crushing cavity 29a1 is arranged in the base 29a, the upper end of the crushing cavity 29a1 is a feed inlet 29b1 communicated with the discharge port of the second bin 29b, a crushing cylinder 29e is arranged in the crushing cavity 29a1, a plurality of rows of crushing holes 29e1 are arranged on the outer side wall of the crushing cylinder 29e, a horizontally arranged punching roller 29f and a second driving mechanism 29g capable of driving the punching roller 29f to reciprocate and horizontally move are arranged on the base 29a, the second driving mechanism 29g comprises a rotating frame 29g1 with one end hinged on the base 29a, connecting rods 29g2 are hinged on two sides of the lower end of the rotating frame 29g1, fisheye joints 29g4 are arranged between the rotating frame 29g1 and the connecting rods 29g2, and two ends of the fisheye joints 29g4 are fixedly connected with the rotating frame 29g1 and the connecting rods 29g2 respectively. The outer ends of the two connecting rods 29g2 are hinged with mounting rods 29g3, the stamping roller 29f is fixedly connected to the mounting rods 29g3, a stamping cylinder 29g5 is arranged on the support 29a3, the cylinder body of the stamping cylinder 29g5 is hinged to the base 29a, the piston rod of the stamping cylinder 29g5 is hinged to the middle of the rotating frame 29g1, and as the other mode, the stamping cylinder 29g5 is replaced by an oil cylinder.

The punching rollers 29f correspond to the crushing holes 29e1 one by one, the punching rollers 29f can extend into the crushing holes 29e1, the lower end of the crushing cavity 29a1 is provided with a filter plate 29h, the base 29a is provided with a rotating mechanism 29i capable of driving the crushing cylinder 29e to rotate, and the rotating mechanism 29i can drive the crushing cylinder 29e to rotate so that the crushing holes 29e1 can be opposite to the discharge hole of the second bin 29b, the punching rollers 29f and the filter plate 29h in sequence.

The side part of the base 29a is horizontally provided with a row of guide holes 29a2, the guide holes 29a2 correspond to the punching rollers 29f one by one, the inner ends of the guide holes 29a2 are communicated with the crushing cavity 29a1, and the punching rollers 29f pass through the guide holes 29a2, so that the guide holes have a good guide effect on the movement of the punching rollers 29f, and the working reliability is improved.

The rotating mechanism 29i comprises a rotating cylinder 29i1 with a cylinder body hinged on a support 29a3, a swing rod 29i2 is arranged between a piston rod of the rotating cylinder 29i1 and the outer end of the crushing cylinder 29e, and two ends of the swing rod 29i2 are fixedly connected with the piston rod of the rotating cylinder 29i1 and the outer end of the crushing cylinder 29e respectively.

Two crushing cylinders 29e, two groups of punching rollers 29f, two driving mechanisms 29g and a rotating mechanism 29i are arranged in the crushing cavity 29a1, and the two groups of punching rollers 29f, the two driving mechanisms 29g and the rotating mechanism 29i are arranged in a left-right symmetry manner.

The lower extreme of base 29a is equipped with the spout 29j that the level set up, inserts in the spout 29j and establishes filter 29h, and the both sides axial of spout 29j has linked firmly two rows of pulleys 29k, and the both sides edge of filter 29h inlays in spout 29j and the lower terminal surface of the both sides of filter 29h supports and leans on pulley 29k, has the laborsaving advantage of easy dismounting.

When the device works, the sand to be crushed enters the second storage bin 29b through the feeding port 29b1, the first speed reduction motor 29d1 drives the two crushing rollers 29c to rotate to crush the sand to be crushed for the first time, then the sand after the first crushing enters the crushing hole 29e1 through the discharging port, the rotary air cylinder 29i1 drives the crushing cylinder 29e to rotate through the swing rod 29i2 so that the crushing hole 29e1 is opposite to the punching roller 29f, then the punching air cylinder 29g5 drives the rotary frame 29g1 to swing, the rotary frame 29g1 drives the connecting rod 29g2 and the mounting rod 29g3 to move, so that the punching roller 29f is driven to move into the crushing hole 29e1 so as to crush the sand in the crushing hole 29e1 for the second time, then the punching air cylinder 29g5 drives the punching roller 29f to reset so that the punching roller 29f is separated from the crushing hole 29e1, and the rotary air cylinder 29i1 drives the swing rod 29e 2 to crush the sand to crush the hole 1 vertically, the crushed sand falls into the filter plate 29h for filtering and discharging, and has the advantages of simple and compact structure, good sand crushing effect and high working efficiency. Punching press cylinder 29g5 drives swivel mount 29g1 swing and drives punching press roller 29f reciprocating motion, makes punching press roller 29f can stretch into crushing hole 29e1 and smash the grit, has crushing effectual and simple structure, the convenient advantage of dismouting. The filter 29h inserts in the spout 29j, is convenient for screen the grit after the crushing, has simple structure and the better advantage of screening effect.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

The concrete structures of the feeder 2, the jaw crusher 3, the central bin 4 and the soil removal vibrating screen 18 refer to a solid waste tailing and building garbage comprehensive utilization production workshop (publication number: CN 109013015A); the specific structure of the sand making machine 8 and the sand washing machine 9 refers to a sand production line with a sand washing machine (application number 201711430270.6); concrete mixing plant reference is made to a concrete mixing plant (application No. 201811051054.5).

Although the terms silo 1, feeder 2, jaw crusher 3, center silo 4, impact crusher 5, frame 5a, housing 5b, feed end 5b1, crushing chamber 5b2, discharge end 5b3, rotor 5c, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The production line for producing concrete from construction waste comprises a storage bin (1), a feeding machine (2), a jaw crusher (3), a central storage bin (4), an impact crusher (5), a vibrating screen I (6), a vibrating screen II (7), a sand making machine (8), a sand washing machine (9) and a concrete mixing station which are sequentially arranged, and is characterized in that the feeding machine (2) is arranged on the lower side of the storage bin (1), a discharge port of the storage bin (1) is communicated with a feed port of the feeding machine (2), the feeding machine (2) is provided with two discharge ports, one discharge port of the feeding machine (2) is communicated with a feed port (29b1) of the jaw crusher (3), the discharge port of the jaw crusher (3) is connected with the central storage bin (4) through a conveying belt I (10), and the central storage bin (4) is connected with the impact crusher (5) through a conveying belt II (11), counterattack formula breaker (5) pass through conveyer belt three (12) with shale shaker one (6), shale shaker two (7) link to each other, shale shaker two (7) through conveyer belt four (13) with system sand machine (8) link to each other, system sand machine (8) link to each other with sand washer (9) through conveyer belt five (14), shale shaker one (6) and shale shaker two (7) can select the grit of a plurality of not unidimensional sand stones and export through corresponding the output band respectively after smashing, sand washer (9) link to each other with one of them output band, shale shaker one (6) with conveyer belt one (10) between be equipped with feed back conveyer belt one (16) and feed back conveyer belt one (16) will exceed set size sand stone and loopback to conveyer belt one (10), the concrete mixing plant include a plurality of storage silos (24), Conveyer belt (25) and mixer (26), storage silo (24) be located the terminal one side of conveyer belt, the downside of storage silo (24) all be equipped with one-to-one's measurement and call (27), storage silo (24) with the lower part of measurement and call (27) all be equipped with control valve (28) that are used for controlling the grit flow, measurement call (27) be located conveyer belt (25) the upside just conveyer belt (25) with the feed inlet (29b1) of mixer (26) link to each other.

2. The production line for producing concrete from construction waste according to claim 1, characterized in that the other discharge port of the feeder (2) is communicated with an auxiliary conveyor belt (17), the other end of the auxiliary conveyor belt (17) is communicated with a soil removal vibrating screen (18), the soil removal vibrating screen (18) is provided with a residue discharge port and a sand discharge port, and a second feed back conveyor belt (19) is arranged between the sand discharge port and the first conveyor belt (10).

3. The production line for producing concrete from construction wastes according to claim 1, wherein an iron remover (15) is arranged on the upper side of the second conveying belt (11), the iron remover (15) is a super magnetic iron remover (15), and dust removers (23) are arranged on one sides of the fourth conveying belt (13) and the fifth conveying belt (14).

4. The production line of construction waste into concrete according to claim 1, 2 or 3, characterized in that the lower sides of the first vibrating screen (6) and the second vibrating screen (7) are connected with a first output belt (20) for conveying 0-5mm regenerated sand, a second output belt (21) for conveying 5-10 mm crushed stone and a third output belt (22) for conveying 10-25 mm regenerated stone, and the first feed back conveyor belt (16) is used for conveying stone blocks exceeding 25 mm.

5. The production line of concrete made of construction waste according to claim 1, wherein a sand crushing device (29) is arranged between the impact crusher (5) and the first vibrating screen (6), the sand crushing device (29) comprises a base (29a) and a bracket (29a3) fixedly connected to the base (29a), a second bin (29b) is arranged on the upper side of the base (29a), a feeding port (29b1) is arranged at the upper end of the second bin (29b), a discharging port is arranged at the lower end of the second bin (29b), two crushing rollers (29c) and a first driving mechanism (29d) driving the two crushing rollers (29c) to rotate are transversely arranged in the second bin (29b), a crushing cavity (29a1) is arranged in the base (29a), and a feeding port (29b1) communicated with the discharging port of the second bin (29b) is arranged at the upper end of the crushing cavity (29a1), a crushing barrel (29e) is arranged in the crushing cavity (29a1), a plurality of rows of crushing holes (29e1) are formed in the outer side wall of the crushing barrel (29e), a punching roller (29f) which is horizontally arranged and a driving mechanism II (29g) capable of driving the punching roller (29f) to move horizontally in a reciprocating mode are arranged on the base (29a), the punching roller (29f) corresponds to the crushing holes (29e1) in a one-to-one mode, the punching roller (29f) can extend into the crushing holes (29e1), a filtering plate (29h) is arranged at the lower end of the crushing cavity (29a1), a rotating mechanism (29i) capable of driving the crushing barrel (29e) to rotate is arranged on the base (29a), and the rotating mechanism (29i) can drive the crushing barrel (29e) to rotate so that the holes (29e1) can sequentially correspond to a discharge hole (29b), The punching roller (29f) and the filter plate (29h) are opposite.

6. The production line of concrete from construction waste according to claim 5, wherein said first driving mechanism (29d) is a first deceleration motor (29d1) having a housing (5b) attached to a base (29a), said first deceleration motor (29d1) having a shaft fixedly connected to said crushing roller (29 c).

7. The production line of concrete from construction wastes according to claim 5, wherein the second driving mechanism (29g) comprises a rotating frame (29g1) with one end hinged on a base (29a), two sides of the lower end of the rotating frame (29g1) are hinged with connecting rods (29g2), the outer ends of the two connecting rods (29g2) are hinged with a mounting rod (29g3), the punching roller (29f) is fixedly connected on the mounting rod (29g3), the bracket (29a3) is provided with a punching cylinder (29g5), the cylinder body of the punching cylinder (29g5) is hinged on the base (29a), the piston rod of the punching cylinder (29g5) is hinged with the middle part of the rotating frame (29g1), a fish eye joint (29g4) is arranged between the rotating frame (29g1) and the connecting rods (29g2), and two ends of the fish eye joint (29g4) are respectively hinged with the connecting rods (29g2) of the rotating frame (29g1) Are fixedly connected.

8. A production line for making concrete from construction waste as claimed in claim 5, wherein a row of guide holes (29a2) is horizontally provided at the side of said base (29a), said guide holes (29a2) correspond one-to-one to said punching rollers (29f), the inner ends of said guide holes (29a2) communicate with said crushing chamber (29a1), and said punching rollers (29f) pass through said guide holes (29a 2).

9. The production line of concrete from construction waste according to claim 5, 6, 7 or 8, characterized in that said rotating mechanism (29i) comprises a rotating cylinder (29i 1) with a cylinder body hinged on a bracket (29a3), a swing link (29i2) is arranged between the piston rod of said rotating cylinder (29i 1) and the outer end of said crushing cylinder (29e), and both ends of said swing link (29i2) are respectively connected with the piston rod of said rotating cylinder (29i 1) and the outer end of said crushing cylinder (29 e).

10. The production line of the construction waste into concrete according to the claim 5, 6, 7 or 8, characterized in that two crushing cylinders (29e) and two sets of the punching rollers (29f), the second driving mechanism (29g) and the rotating mechanism (29i) are arranged in the crushing cavity (29a1), and the two sets of the punching rollers (29f), the second driving mechanism (29g) and the rotating mechanism (29i) are arranged in a left-right symmetry manner.