CN112191314A - Environment-friendly construction waste crushing device - Google Patents
Environment-friendly construction waste crushing device Download PDFInfo
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- CN112191314A CN112191314A CN202011080856.6A CN202011080856A CN112191314A CN 112191314 A CN112191314 A CN 112191314A CN 202011080856 A CN202011080856 A CN 202011080856A CN 112191314 A CN112191314 A CN 112191314A
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- crushing
- shell
- environment
- construction waste
- crushing device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
Abstract
The invention discloses an environment-friendly construction waste crushing device which comprises a shell, a crushing device, a material returning device and a dust-falling conveying device, wherein the crushing device comprises a top cover which is in threaded connection with the top of the shell, the inside of the shell is fixedly connected with a crushing box, the inside of the crushing box is rotatably connected with three transmission shafts, one transmission shaft is sleeved at the output end of a servo motor, the servo motor is arranged on the outer side wall of one end of the shell, the top of the top cover is fixedly connected with a feed hopper, the inside of the feed hopper is communicated with the inside of the crushing box, the material returning device comprises two material returning barrels which are fixedly connected with the two sides inside the shell, the inside of each material returning barrel is rotatably connected with a transmission rod, the bottom of. Two transfer lines drive first hank dragon and will follow the material that the back flow got into upwards to carry along the feed back section of thick bamboo, carry to broken incasement from newly through the feed back pipe to smash the waste material repeatedly until reaching crushing requirement.
Description
Technical Field
The invention relates to a crushing device, in particular to an environment-friendly construction waste crushing device.
Background
The construction waste refers to residue, waste soil, waste material, sludge and other wastes generated in the process of constructing, laying or dismantling and repairing various buildings, structures, pipe networks and the like by construction units or individuals. Along with the acceleration of industrialization and urbanization processes, the construction industry is rapidly developed at the same time, the quantity of the generated construction waste is increased day by day, the quantity of the Chinese construction waste accounts for more than one third of the total quantity of the urban waste, the quantity of the Chinese construction waste accounts for 30% -40% of the total quantity of the urban waste, calculated according to the standard of 500-600 tons/ten thousand square meters, and by 2020, the newly added construction area of China is about 300 square meters, and the newly generated construction waste is a shocking number.
Present some building waste reducing mechanism, kibbling thorough, the effect is relatively poor inadequately, can not circulate and smash, and general reducing mechanism produces more dust of raising easily to influence crushing environment, general reducing mechanism does not possess the screening and presses down the dirt function, influences the use. Therefore, an environment-friendly construction waste crushing device is provided for solving the problems.
Disclosure of Invention
An environment-friendly construction waste crushing device comprises a shell, a crushing device, a feed back device and a dust fall conveying device;
the crushing device comprises a top cover which is in threaded connection with the top of a shell, the inside of the shell is fixedly connected with a crushing box, the inside of the crushing box is rotatably connected with three transmission shafts, one of the transmission shafts is sleeved at the output end of a servo motor, the servo motor is arranged on the outer side wall of one end of the shell, the top of the top cover is fixedly connected with a feed hopper, and the inside of the feed hopper is communicated with the inside of the crushing box;
the feed back device comprises two feed back barrels fixedly connected to two sides inside the shell, the interior of each feed back barrel is rotatably connected with a transmission rod, the bottom of the crushing box is communicated with the feed receiving box, and two sides of the top end of the feed receiving box are fixedly connected with return pipes;
dust fall conveyor is including installing the water tank in the inside one side of casing, the water pump is installed to the inside of water tank, the one end lateral wall intercommunication inlet tube of water tank, inlet tube fixed connection is in inside one side of casing, the one end lateral wall fixed connection of casing is arranged the hopper, four walking wheels are installed to the bottom of casing.
Furthermore, the outer side of the transmission shaft is sleeved with three crushing rollers, and the three crushing rollers are meshed with each other and rotate in the crushing box.
Furthermore, first belt pulley has been cup jointed in the one end outside of transmission shaft, the quantity of first belt pulley is three, three it has first drive belt to wind on the first belt pulley.
Further, vibrating motors are installed on the outer side walls of the two ends of the crushing box, one side of the top of the crushing box is communicated with one end of the material return pipe, and the other end of the material return pipe is communicated with one side of the top of the material return pipe.
Further, connect the inside center fixed connection unloading sieve of workbin, the unloading sieve is the triangle-shaped distribution, both ends bottom one side of unloading sieve is provided with the one end of back flow, the back flow intercommunication connects the bottom of workbin and feed back cylinder.
Further, connect a plurality of atomizer of the inner wall fixed connection of workbin, atomizer communicates the one end of outlet pipe, the other end of outlet pipe communicates the output of water pump.
Further, the inside bottom fixed connection of casing is arranged a material section of thick bamboo, the inside rotation of arranging the material section of thick bamboo is connected the dead lever, the outside welding of dead lever has the second auger, the second auger rotates and connects the inside at row material section of thick bamboo, the top intercommunication of arranging the material section of thick bamboo connects the bottom of workbin, the one end intercommunication of arranging the material section of thick bamboo is arranged the one end of hopper.
Further, the one end of dead lever runs through the cylinder and rotate and connect in the inner wall one side of casing, the gear wheel has been cup jointed to the one end of dead lever, the gear wheel meshing connects the pinion, the pinion cup joints the one end at the extension rod, extension rod fixed connection is in one of them the one end of transfer line.
Further, the internally mounted of casing has the auger motor, the output end cup joints another the one end of transfer line, the outside welding of transfer line has first auger, first auger rotates to be connected in the inside of returning the feed cylinder.
Furthermore, the number of transfer line is two, two the outside of transfer line all has cup jointed the second belt pulley, the number of second belt pulley is two, two around having twined second driving belt between the second belt pulley.
The invention has the beneficial effects that: the invention provides an environment-friendly construction waste crushing device which can be used for circularly crushing and is convenient to screen and suppress dust.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic overall perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present invention;
fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present invention.
In the figure: 1. the device comprises a shell, 101, traveling wheels, 2, a top cover, 3, a feeding hopper, 4, a crushing box, 5, a crushing roller, 6, a transmission shaft, 7, a first transmission belt, 8, a vibration motor, 9, a material return pipe, 10, a twisting motor, 11, a material return cylinder, 12, a return pipe, 13, a material discharge screen, 14, a material receiving box, 15, a transmission rod, 16, a first packing auger, 17, a first belt pulley, 18, a second transmission belt, 19, a water inlet pipe, 20, an atomizing nozzle, 21, a water outlet pipe, 22, a fixing rod, 23, a second packing auger, 24, a material discharge cylinder, 25, a material discharge hopper, 26, a water pump, 27, a pinion, 28, a gearwheel, 29, an extension rod, 30, a servo motor, 31, a second belt pulley, 32 and a water tank.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the present invention.
It should be noted that the terms first, second and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "up" may also be used to indicate some dependency or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "nested" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, an environment-friendly construction waste crushing device includes a housing 1, a crushing device, a material returning device and a dust-settling conveying device;
the crushing device comprises a top cover 2 in threaded connection with the top of a shell 1, a crushing box 4 is fixedly connected inside the shell 1, three transmission shafts 6 are rotatably connected inside the crushing box 4, one of the transmission shafts 6 is sleeved at the output end of a servo motor 30, the servo motor 30 is installed on the outer side wall of one end of the shell 1, a feed hopper 3 is fixedly connected with the top of the top cover 2, and the inside of the feed hopper 3 is communicated with the inside of the crushing box 4;
the feed back device comprises two feed back cylinders 11 fixedly connected to two sides inside the shell 1, the inner parts of the feed back cylinders 11 are rotatably connected with a transmission rod 15, the bottom of the crushing box 4 is communicated with a feed receiving box 14, and two sides of the top end of the feed receiving box 14 are fixedly connected with return pipes 12;
dust fall conveyor is including installing the water tank 32 in the inside one side of casing 1, the internally mounted of water tank 32 has water pump 26, the one end lateral wall intercommunication inlet tube 19 of water tank 32, inlet tube 19 fixed connection is in the inside one side of casing 1, the one end lateral wall fixed connection hopper 25 of casing 1, four walking wheels 101 are installed to the bottom of casing 1.
The crushing rollers 5 are sleeved on the outer side of the transmission shaft 6, the number of the crushing rollers 5 is three, and the three crushing rollers 5 are meshed with each other and rotate in the crushing box 4, so that the structure is more reasonable, and the connection is convenient; the outer side of one end of the transmission shaft 6 is sleeved with three first belt pulleys 17, and the three first belt pulleys 17 are wound with the first transmission belt 7, so that the structure is more reasonable and the connection is convenient; the outer side walls of two ends of the crushing box 4 are respectively provided with a vibration motor 8, one side of the top of the crushing box 4 is communicated with one end of a material return pipe 9, and the other end of the material return pipe 9 is communicated with one side of the top of a material return barrel 11, so that the structure is more reasonable, and the connection is convenient; the inner center of the material receiving box 14 is fixedly connected with a blanking screen 13, the blanking screen 13 is distributed in a triangular shape, one end of a return pipe 12 is arranged on one side of the bottom of each of two ends of the blanking screen 13, and the return pipe 12 is communicated with the material receiving box 14 and the bottom of the material return cylinder 11, so that the structure is reasonable and convenient to connect; the inner wall of the material receiving box 14 is fixedly connected with a plurality of atomizing nozzles 20, the atomizing nozzles 20 are communicated with one end of a water outlet pipe 21, and the other end of the water outlet pipe 21 is communicated with the output end of a water pump 26, so that the structure is more reasonable, and the connection is convenient; the bottom end in the shell 1 is fixedly connected with a discharging barrel 24, the inside of the discharging barrel 24 is rotatably connected with a fixing rod 22, a second packing auger 23 is welded on the outer side of the fixing rod 22, the second packing auger 23 is rotatably connected in the discharging barrel 24, the top of the discharging barrel 24 is communicated with the bottom of a material receiving box 14, one end of the discharging barrel 24 is communicated with one end of a discharging hopper 25, the structure is more reasonable, and the connection is convenient; one end of the fixed rod 22 penetrates through the discharging cylinder 24 and is rotatably connected to one side of the inner wall of the shell 1, one end of the fixed rod 22 is sleeved with a large gear 28, the large gear 28 is meshed with a small gear 27, the small gear 27 is sleeved at one end of an extension rod 29, and the extension rod 29 is fixedly connected to one end of one of the transmission rods 15, so that the structure is more reasonable, and the connection is convenient; an auger motor 10 is arranged in the shell 1, the output end of the auger motor 10 is sleeved at one end of the other transmission rod 15, a first auger 16 is welded at the outer side of the transmission rod 15, and the first auger 16 is rotatably connected in the material return barrel 11, so that the structure is more reasonable and the connection is convenient; the number of the transmission rods 15 is two, the outer sides of the transmission rods 15 are respectively sleeved with the second belt pulleys 31, the number of the second belt pulleys 31 is two, the second transmission belts 18 are wound between the second belt pulleys 31, the structure is more reasonable, and the connection is convenient.
When the invention is used, electrical components appearing in the invention are externally connected with a power supply and a control switch when in use, then construction waste to be crushed is added through a feed hopper 3, the waste falls into a crushing box 4 through the feed hopper 3, a servo motor 30 is started, the servo motor 30 drives three transmission shafts 6 to rotate through a first belt pulley 17 and a first transmission belt 7, crushing rollers 5 sleeved outside the three transmission shafts 6 crush the fallen waste, the crushed waste falls down through the vibration of a vibration motor 8 on the crushing box 4, the crushed waste falls onto a blanking screen 13 inside a material receiving box 14 from the crushing box 4, the waste meeting the crushing requirement passes through the blanking screen 13 in triangular distribution, the waste which does not meet the crushing requirement falls into a return pipe 12 along the blanking screen 13, and a packing auger motor 10 is started, the auger motor 10 drives one of the transmission rods 15 to rotate, the two transmission rods 15 synchronously rotate through the second belt pulley 31 and the second transmission belt 18, the two transmission rods 15 drive the first auger 16 to convey materials entering from the return pipe 12 upwards along the return cylinder 11 and convey the materials into the crushing box 4 through the return pipe 9, so that the waste materials are repeatedly crushed until the crushing requirement is met, the water pump 26 conveys water into the atomizing nozzle 20 through the water outlet pipe 21 in the falling process of the waste materials meeting the screening requirement, the falling dust is reduced through the atomizing nozzle 20 to avoid scattering of the dust, the waste materials fall into the discharging cylinder 24 through the material receiving box 14, the pinion 27 sleeved with the extension rod 29 at one end of the transmission rod 15 is in mutual meshing transmission with the bull gear 28 at one end of the fixed rod 22, and the fixed rod 22 drives the second auger 23 to discharge the waste materials falling into the discharging cylinder 24 from the discharging cylinder 24 and the discharging hopper 25, the discharge of the waste material after conveniently smashing facilitates the use.
The invention has the advantages that:
1. the automatic feeding device is reasonable in structure, the servo motor drives the three transmission shafts to rotate through the first belt pulley and the first transmission belt, the crushing rollers sleeved on the outer sides of the three transmission shafts crush falling waste materials, the crushed waste materials are accelerated to fall down through vibration of the vibration motor to the crushing box, the crushed waste materials fall onto the discharging screen inside the receiving box from the crushing box, and the waste materials meeting the crushing requirements pass through the discharging screen in triangular distribution;
2. the material crushing device is reasonable in structure, the auger motor drives one of the transmission rods to rotate, the two transmission rods synchronously rotate through the second belt pulley and the second transmission belt, the two transmission rods drive the first auger to convey materials entering from the return pipe upwards along the material return cylinder, and the materials are conveyed into the crushing box from the material return pipe, so that the waste materials are repeatedly crushed until the crushing requirement is met, and the crushing is more thorough;
3. the dust-removing device is reasonable in structure, water is conveyed into the atomizing nozzle through the water outlet pipe by the water pump, falling dust is removed through the atomizing nozzle, dust is prevented from scattering, waste materials fall into the discharging cylinder through the material receiving box, the small gear sleeved with the extension rod at one end of the transmission rod and the large gear at one end of the fixing rod are in meshed transmission with each other, the fixing rod drives the second auger to discharge the waste materials falling into the discharging cylinder from the discharging cylinder and the discharging hopper, the crushed waste materials are conveniently discharged, and the dust-removing device is convenient to use.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an environmental protection building waste reducing mechanism which characterized in that: comprises a shell (1), a crushing device, a feed back device and a dust fall conveying device;
the crushing device comprises a top cover (2) which is in threaded connection with the top of a shell (1), the inside of the shell (1) is fixedly connected with a crushing box (4), the inside of the crushing box (4) is rotatably connected with three transmission shafts (6), one of the transmission shafts (6) is sleeved at the output end of a servo motor (30), the servo motor (30) is installed on the outer side wall of one end of the shell (1), the top of the top cover (2) is fixedly connected with a feed hopper (3), and the inside of the feed hopper (3) is communicated with the inside of the crushing box (4);
the feed back device comprises two feed back cylinders (11) fixedly connected to two sides inside the shell (1), the inner parts of the feed back cylinders (11) are rotatably connected with a transmission rod (15), the bottom of the crushing box (4) is communicated with a feed receiving box (14), and two sides of the top end of the feed receiving box (14) are fixedly connected with return pipes (12);
dust fall conveyor is including installing water tank (32) in inside one side of casing (1), the internally mounted of water tank (32) has water pump (26), the one end lateral wall intercommunication inlet tube (19) of water tank (32), inlet tube (19) fixed connection is in inside one side of casing (1), the one end lateral wall fixed connection of casing (1) is arranged hopper (25), four walking wheels (101) are installed to the bottom of casing (1).
2. The environment-friendly construction waste crushing device according to claim 1, wherein: crushing rollers (5) are sleeved on the outer side of the transmission shaft (6), the number of the crushing rollers (5) is three, and the crushing rollers (5) are meshed with each other and rotate inside the crushing box (4).
3. The environment-friendly construction waste crushing device according to claim 1, wherein: first belt pulley (17) have been cup jointed in the one end outside of transmission shaft (6), the quantity of first belt pulley (17) is three, three first belt pulley (17) is gone up the winding and is had first drive belt (7).
4. The environment-friendly construction waste crushing device according to claim 1, wherein: vibrating motor (8) are all installed to the both ends lateral wall of broken case (4), the one end of top one side intercommunication feed back pipe (9) of broken case (4), the other end intercommunication feed back cylinder (11) of feed back pipe (9) top one side.
5. The environment-friendly construction waste crushing device according to claim 1, wherein: connect the inside center fixed connection unloading sieve (13) of workbin (14), unloading sieve (13) are triangular distribution, the both ends bottom one side of unloading sieve (13) is provided with the one end of back flow (12), back flow (12) intercommunication connects the bottom of workbin (14) and feed back section of thick bamboo (11).
6. The environment-friendly construction waste crushing device according to claim 1, wherein: connect a plurality of atomizer (20) of inner wall fixed connection of workbin (14), atomizer (20) communicate the one end of outlet pipe (21), the other end of outlet pipe (21) communicates the output of water pump (26).
7. The environment-friendly construction waste crushing device according to claim 1, wherein: the inside bottom fixed connection of casing (1) is arranged a section of thick bamboo (24), the inside rotation of arranging a section of thick bamboo (24) is connected dead lever (22), the outside welding of dead lever (22) has second auger (23), second auger (23) rotate to be connected in the inside of arranging a section of thick bamboo (24), the top intercommunication of arranging a section of thick bamboo (24) connects the bottom of workbin (14), the one end intercommunication of arranging a section of thick bamboo (24) is arranged the one end of fighting (25).
8. The environment-friendly construction waste crushing apparatus according to claim 7, wherein: the one end of dead lever (22) is run through row material section of thick bamboo (24) and is rotated and connect in the inner wall one side of casing (1), gear wheel (28) have been cup jointed to the one end of dead lever (22), pinion (27) are connected in gear wheel (28), the one end at extension rod (29) is cup jointed in pinion (27), extension rod (29) fixed connection is in one of them the one end of transfer line (15).
9. The environment-friendly construction waste crushing device according to claim 1, wherein: the internally mounted of casing (1) has auger motor (10), the output of auger motor (10) cup joints another the one end of transfer line (15), the outside welding of transfer line (15) has first auger (16), first auger (16) rotate to be connected in the inside of feed back cylinder (11).
10. The environment-friendly construction waste crushing device according to claim 1, wherein: the quantity of transfer line (15) is two, two second belt pulley (31) have all been cup jointed in the outside of transfer line (15), the quantity of second belt pulley (31) is two, two second drive belt (18) have been twined between second belt pulley (31).
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|---|---|---|---|
| CN202011080856.6A CN112191314A (en) | 2020-10-11 | 2020-10-11 | Environment-friendly construction waste crushing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011080856.6A CN112191314A (en) | 2020-10-11 | 2020-10-11 | Environment-friendly construction waste crushing device |
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| CN114273052A (en) * | 2021-12-15 | 2022-04-05 | 枣庄鑫金山智能装备有限公司 | Inside is from feed back circulation type system sand machine |
| CN114798111A (en) * | 2022-04-29 | 2022-07-29 | 毅康科技有限公司 | System and method for accurately controlling adding amount of external carbon source |
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