CN115739913A - Engineering dregs solidification processing preliminary treatment integration is equipped - Google Patents

Engineering dregs solidification processing preliminary treatment integration is equipped Download PDF

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Publication number
CN115739913A
CN115739913A CN202211327860.7A CN202211327860A CN115739913A CN 115739913 A CN115739913 A CN 115739913A CN 202211327860 A CN202211327860 A CN 202211327860A CN 115739913 A CN115739913 A CN 115739913A
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China
Prior art keywords
machine
crushing
air
muck
divides
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CN202211327860.7A
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Chinese (zh)
Inventor
李江山
孙传博
薛强
陈新
马梓涵
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Priority to CN202211327860.7A priority Critical patent/CN115739913A/en
Publication of CN115739913A publication Critical patent/CN115739913A/en
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Abstract

The invention discloses an integrated device for solidification and pretreatment of engineering muck. The device includes: a feed hopper, an air drying box, a roller screening machine, a crushing box and a discharge hopper; the air-drying box is arranged below the feed hopper, the roller screening machine is arranged at the discharge end of the air-drying box and is a conical barrel, the discharge hopper is arranged below the roller screening machine, the crushing box is arranged at the discharge end of the roller screening machine, and the discharge hopper is arranged at the bottom of the crushing box. The equipment disclosed by the invention can realize the functions of drying, impurity removal, crushing and the like, overcomes the problems of different water contents of the engineering muck, inclusion of impurities such as branches and stones, caking and hardening of the muck and the like, can perform continuous operation to obtain the crushed and dried engineering muck, improves the quality and speed of the solidification treatment feeding of the engineering muck, and can realize large-scale solidification pretreatment of the engineering muck.

Description

Engineering muck solidification treatment pretreatment integrated equipment
Technical Field
The invention relates to the field of engineering muck recycling pretreatment, in particular to integrated equipment for engineering muck curing treatment pretreatment.
Background
The engineering slag soil mainly comprises soil, scattered mortar and concrete fragments, masonry produced by chiseling, waste metal, bamboo and wood, river and lake sludge, and the like, and the soil capable of being utilized by engineering accounts for about 60 percent. At present, the engineering residue soil yield in China is huge, but the technical standard of resource recycling and the industrial scale are relatively lagged, the treatment mode is mainly stacking and burying, and a series of construction problems, even secondary hazards of environment and safety are caused: 1) The requirement on treatment and management of engineering muck in China is strict, the muck management is difficult to meet the regulation of urban environmental protection control, and the construction efficiency is seriously influenced; 2) The phenomena of dust raising and scattering are difficult to avoid in the process of transporting the dregs, and the illegal handling phenomenon that the dregs are dumped at will in an embankment and a river channel also happens occasionally, so that the city appearance is damaged and the potential safety hazard of traffic is brought; 3) Untreated muck is transported and accumulated in a digestion site, and the muck of different stratum sources has great differences in water content, permeability, particle composition and erodibility; the nonuniformity in the filling body is obvious, a water-saturated soft and weak slip zone is easily formed under the rainfall condition, so that the slope body is unstable, and for example, the landslide accident of a muck storage field in Shenzhen causes serious loss to the life and property safety of people.
By combining the 'double-carbon' green development strategy of China, from the perspective of effective, large-amount and timely consumption of the muck, the engineering muck is used in the engineering field after being cured, and the method and the means are the most effective method and means for relieving the current engineering muck from being consumed without land in China. The existing research proposes that the solidification improvement measure is adopted to realize the reutilization of the engineering muck in the road engineering, however, no effective equipment is available to carry out the fine pretreatment on the engineering muck, so that the formed solidified muck has large variability and poor quality and does not meet the quality requirement. And the existing pretreatment mode for solidification treatment of engineering muck has low work efficiency and complex links, is difficult to treat engineering muck with different water contents and doped with impurities, cannot realize the functions of drying muck, crushing muck and the like by using the existing screening machine, and is lack of integrated treatment equipment.
Disclosure of Invention
In view of the problems, the invention aims to provide an integrated pretreatment device for solidification and pretreatment of engineering muck, and provides an integrated efficient pretreatment device capable of drying and crushing muck under the conditions of different water contents, impurity mixing in the muck, agglomeration and hardening of the muck and the like.
The technical solution is as follows:
an integrated pretreatment device for solidification treatment of engineering muck comprises a feed hopper, an air drying box, a roller screening machine, a crushing box and a discharge hopper. It is characterized in that: the air drying box is provided with a vertical negative air compressor, a horizontal conveying belt is arranged in the air inlet direction of the negative air compressor, and the horizontal conveying belt is perpendicular to the negative air compressor; the rotary drum screening machine is conical, a narrow opening of the rotary drum screening machine is connected with the air drying box, the aperture of a screen mesh of the rotary drum screening machine is gradually increased along the feeding direction, a connecting rod is arranged on the inner wall of the rotary drum screening machine and is hinged with at least one vibration hammer, the vibration hammer can be hammered at least once under the action of gravity when the rotary drum screening machine rotates for one circle, and the vibration hammer does not need to be externally connected with other power; the crushing box is provided with a toothed roller crusher, the toothed roller crusher comprises two toothed rollers, the two toothed rollers roll oppositely, the toothed rollers are transversely arranged in the crushing box body and symmetrically distributed relative to a vertical central axis, two groups of toothed rollers are meshed with each other, the distance between the two groups of toothed rollers is adjustable, the toothed roller crusher further comprises two motors and two temperature sensors, the two motors are respectively connected with the two toothed rollers, and the two temperature sensors are respectively connected with the two motors; the two torque sensors are connected to the two gear rollers and the crushing controller, and the crushing controller is electrically connected with the two motors, the two temperature sensors and the two torque sensors through direct currents. The motor drives the toothed rollers to roll, the temperature sensor is used for monitoring the temperature of the motor and transmitting a temperature signal to the crushing controller, the torque sensor is used for detecting the running condition of the toothed rollers, calculating and generating a torque signal and transmitting the torque signal to the crushing controller, and the crushing controller is used for receiving the torque signal, adjusting the distance between the two toothed rollers, receiving the temperature signal and controlling the running and suspension of the motor.
In this scheme, the air-drying box can carry out the mummification to high moisture content engineering dregs with lower consumption, and the conveyer belt sends the sediment after the mummification into cylinder screening machine.
In this scheme, the cylinder divides the sieve separator owing to be conical, and its self has certain inclination, can make the unable debris that sieve, the hard piece of jumbo size dregs of mixing in the dregs move to the discharge gate and fall into broken case by oneself under the action of gravity.
In this scheme, broken case is fluted roller crusher, two mutually rolling fluted rollers of fluted roller crusher can be broken effectively treat broken dregs, its adjustable interval can adapt to not the not broken dregs of waiting of equidimension, and strong adaptability also is favorable to the continuity of broken operation. The motor, the temperature sensor, the torque sensor and the crushing controller enable the crushing operation process to be monitored in real time and timely adjusted, continuous crushing operation is facilitated, and efficiency and stability are improved.
By adopting the technical scheme, the integrated equipment for solidification and pretreatment of the engineering muck can realize the functions of drying, impurity removal, crushing and the like, overcomes the problems of different water contents of the engineering muck, inclusion of sundries such as branches and stones, hardening of the muck agglomeration and the like, can perform continuous operation, improves the quality and level of the solidification and treatment feeding of the engineering muck, realizes effective pretreatment of the muck by recycling, realizes efficient and stable production of the engineering muck, and can achieve the aim of large-scale engineering muck pretreatment.
Drawings
In order to more clearly illustrate the embodiments of the present application 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.
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the air drying box of the present invention;
FIG. 3 is a schematic structural view of the roller screening machine equipped with the present invention;
FIG. 3a is a diagrammatic illustration of the planing surface of FIG. 3 of the specification;
FIG. 3b is a top view of FIG. 3 in the description;
FIG. 4 is a schematic view of the crushing box of the present invention;
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, but it should be noted that these embodiments do not limit the present invention, and those skilled in the art can make functional, methodological, or structural equivalent changes or substitutions according to these embodiments within the scope of the present invention.
Referring to fig. 1 and 2, the invention discloses an integrated pretreatment device for solidification treatment of engineering muck, which comprises a feed hopper 1, an air drying box 2, a roller screening machine 3, a crushing box 4 and a discharge hopper 5. Wherein, the feeding hopper 1 is arranged at the feeding end at the top of the air drying box 2, and the roller screening machine 3 is arranged at the discharging end at the side of the air drying box 2. The fed materials enter the feed hopper 1 and fall to the horizontal conveyor belt 22 in the air drying box 2 under the action of gravity, the negative pressure fan 21 and the conveyor belt 22 are manually opened or closed to carry out drying treatment on the dregs according to different water content of the fed materials, and the horizontal conveyor belt 22 is opened to convey the dregs into the roller screening machine 3 after the drying treatment is finished.
Referring to fig. 1 and 3, the rotary drum screening machine 3 is conical, an included angle between the central axis of the rotary drum screening machine 3 and the horizontal plane is 20-25 °, an included angle between the inner inclination angle of the conical wall of the rotary drum screening machine 3 is 15-20 °, a narrow opening is a feed inlet, the aperture of a screen 31 of the rotary drum screening machine 3 is gradually increased along the feeding direction, dried dregs enter the rotary drum screening machine 3, the vibration hammer 32 is hinged with the rotary drum screening machine 3 through a connecting rod 321, a baffle 322 is arranged at one side of the hinged position, which is opposite to the rotating direction of the rotary drum screening machine 3, so that the vibration hammer 32 can hammer in the opposite rotating direction of the rotary drum screening machine after the bottom end is upright, the vibration hammer 32 rotates along with the rotary drum screening machine 3 and periodically hammers the screen 31, and the situation that the dregs block the screen 31 can be effectively solved. The dregs fall into the discharge hopper 51 and the discharge hopper 52 respectively according to the difference of particle diameters after being sieved by the screen mesh 31 and are collected, and the sundries and the large-diameter hard dregs which cannot penetrate through the screen mesh enter the crushing box 4 through the wide discharge port of the roller sieving machine 3.
Referring to fig. 1 and 4, impurities and large-diameter hard slag soil blocks in various types of slag soil fall into a crushing box 4 through a discharge port of a roller screening machine 3, a crushing device is a toothed roller type crusher 40, the toothed roller type crusher 40 comprises two toothed rollers 41, the rolling of the two toothed rollers 41 is opposite, the distance between the two toothed rollers 41 is adjustable, in other embodiments, the crushing device 4 can be other crushing equipment meeting requirements, and the toothed rollers 41 can also be other setting modes meeting the effects. The gear roller 41 is driven by the motor to rotate, falling sundries are fed and crushed, and the crushed particles fall into the discharge hopper 53. The crushing box 4 further comprises:
the two motors 42 and the two temperature sensors 43, the two motors 42 are respectively connected with the two toothed rollers 41, and the two temperature sensors 43 are respectively connected with the two motors 42; two torque sensors 44 connected to the two spur rollers 41; and a crushing controller 45, wherein the crushing controller 45 is in direct current electrical connection with the two motors 42, the two temperature sensors 43 and the torque sensor 44.
The motor 42 drives the toothed rollers 41 to roll, the temperature sensor 43 is used for monitoring the temperature of the motor 42 and transmitting a temperature signal to the crushing controller 45, the torque sensor 44 is used for detecting the running condition of the toothed rollers 41, generating a torque signal and transmitting the torque signal to the crushing controller 45, and the crushing controller is used for receiving the torque signal and adjusting the distance between the two toothed rollers 41 or receiving the temperature signal and controlling the running of the motor 42. The two oppositely rolling toothed rollers 41 of the toothed roller crusher 40 can effectively crush sundries, the adjustable distance between the toothed rollers can adapt to sundries to be crushed with different sizes, the adaptability is strong, and the continuity of crushing operation is facilitated. The motor 42, the temperature sensor 43, the torque sensor 44 and the crushing controller 45 enable the crushing operation process to be monitored in real time and timely adjusted, continuous crushing operation is facilitated, and efficiency and stability are improved.
In conclusion, the integrated equipment for solidification treatment and pretreatment of the engineering muck overcomes the problems of different water contents of the engineering muck, inclusion of sundries such as branches and stones, agglomeration and hardening of the muck and the like, can perform continuous operation, and improves the quality and level of the feeding materials for solidification treatment of the engineering muck.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an engineering dregs solidification handles integration equipment of preliminary treatment which characterized in that: the integrated equipment for solidification treatment and pretreatment of engineering muck comprises:
a feed hopper, an air drying box, a roller screening machine, a crushing box and a discharge hopper; the air-drying box is arranged below the feeding hopper, a negative air compressor and a conveying belt are arranged in the air-drying box, the roller screening machine is a conical barrel, the direction of a main shaft is arranged towards the outlet of the air-drying box, at least one vibrating hammer is arranged on the inner wall of the roller screening machine along the feeding direction, at least two discharge hoppers are arranged at the bottom of the roller screening machine, the crushing box is arranged at the discharge end of the roller screening machine, and the discharge hoppers are arranged at the bottom of the crushing box.
2. The integrated engineering muck curing and pretreatment equipment according to claim 1, characterized in that:
the air-drying box is internally provided with a negative pressure fan and a horizontal conveyor belt, the conveyor belt is horizontally arranged at the bottom of the air-drying box, and the negative pressure fan is arranged at the feed end of the air-drying box and is vertical to the conveyor belt.
3. The integrated engineering muck curing and pretreatment equipment according to claim 2, characterized in that:
the cylinder divides the screen (ing) machine to be conical barrel, and the sieve mesh aperture enlarges along screen (ing) a section of thick bamboo top end to end gradually, and the cylinder divides the screen (ing) machine narrow end to set up in air-dried case conveying exit, and the main shaft direction sets up in air-dried case conveying exit orientation, is equipped with in the cylinder divides the screen (ing) machine along the isometric striker plate of axial and inner wall, and the striker plate divides the radial evenly distributed of screen (ing) machine along the cylinder.
4. The integrated engineering muck curing and pretreatment equipment according to claim 3, characterized in that:
the drum divides screen (ing) machine inner wall hoop equipartition to have along the vertical metal striker plate of direction of feed for rotatory promotion feeding dregs height makes the dregs drop and break into pieces under the action of gravity after reaching the take the altitude, and drum divides screen (ing) machine net wall screen cloth aperture to increase gradually along dividing screen (ing) machine axial, and drum divides screen (ing) machine bottom to be equipped with two at least play hoppers for the output of different aperture dregs.
5. The integrated engineering muck curing and pretreatment equipment according to claim 4, characterized in that:
the cylinder divides the sieve machine inner wall to be provided with a vibratory hammer at least, the vibratory hammer adopts the connecting rod to divide the sieve machine inner wall with the cylinder articulated, divides the sieve machine opposite direction's that rotates one side to be provided with the metal baffle in articulated department and cylinder, guarantees that the vibratory hammer can upright carry out the hammering to the opposite direction that the roll divides the sieve machine pivoted to the cylinder after the bottom, and the roll divides the sieve machine to rotate the hammering of a week vibratory hammer once, realizes that the cylinder divides the sieve machine wall vibration to remove stifled.
6. The integrated equipment for solidification, disposal and pretreatment of engineering muck according to claim 5, wherein:
the crushing box is arranged below an outlet of the conical roller screening machine and is used for crushing large sundries, hard muck and the like screened by the roller screening machine, a discharge hopper is arranged below the crushing box, a toothed roller type crusher is arranged in the crushing box, the toothed roller type crusher comprises two toothed rollers, the two toothed rollers roll in opposite directions, the toothed rollers are transversely arranged in a main body of the crushing box and are symmetrically distributed relative to a vertical central axis, the two groups of toothed rollers are meshed with each other, the distance between the two groups of toothed rollers is adjustable, the toothed roller type crusher further comprises a monitoring and adjusting device, the monitoring and adjusting device comprises two motors, two temperature sensors and two torque sensors, the two motors are respectively connected with the two toothed rollers, and the two temperature sensors are respectively connected with the two motors; the two torque sensors are connected with the two gear rollers and the crushing controller, and the crushing controller is electrically connected with the two motors, the two temperature sensors and the torque sensors;
the motor drives the toothed rollers to roll, the temperature sensor is used for monitoring the temperature of the motor and transmitting a temperature signal to the crushing controller, the torque sensor is used for detecting the running condition of the toothed rollers, calculating and generating a torque signal and transmitting the torque signal to the crushing controller, and the crushing controller is used for receiving the torque signal, adjusting the distance between the two toothed rollers, receiving the temperature signal and controlling the running and stopping of the motor.
CN202211327860.7A 2022-10-27 2022-10-27 Engineering dregs solidification processing preliminary treatment integration is equipped Pending CN115739913A (en)

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Application Number Priority Date Filing Date Title
CN202211327860.7A CN115739913A (en) 2022-10-27 2022-10-27 Engineering dregs solidification processing preliminary treatment integration is equipped

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Application Number Priority Date Filing Date Title
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CN115739913A true CN115739913A (en) 2023-03-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209565208U (en) * 2019-03-18 2019-11-01 河北跃洋生物科技有限公司 A kind of organic fertilizer screening plant
CN111744628A (en) * 2019-03-29 2020-10-09 温州桂森环境科技有限公司 Building garbage pretreatment process
KR102185882B1 (en) * 2019-10-15 2020-12-02 김천기 Recycled aggregate production system
CN112934336A (en) * 2021-03-31 2021-06-11 上海市政工程设计研究总院(集团)有限公司 Engineering muck pretreatment production equipment
CN214916887U (en) * 2021-04-27 2021-11-30 北京加隆工程机械有限公司 Dregs recycling system
CN114632798A (en) * 2022-03-18 2022-06-17 上海市政工程设计研究总院(集团)有限公司 Multistage pretreatment system and method for engineering muck

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209565208U (en) * 2019-03-18 2019-11-01 河北跃洋生物科技有限公司 A kind of organic fertilizer screening plant
CN111744628A (en) * 2019-03-29 2020-10-09 温州桂森环境科技有限公司 Building garbage pretreatment process
KR102185882B1 (en) * 2019-10-15 2020-12-02 김천기 Recycled aggregate production system
CN112934336A (en) * 2021-03-31 2021-06-11 上海市政工程设计研究总院(集团)有限公司 Engineering muck pretreatment production equipment
CN214916887U (en) * 2021-04-27 2021-11-30 北京加隆工程机械有限公司 Dregs recycling system
CN114632798A (en) * 2022-03-18 2022-06-17 上海市政工程设计研究总院(集团)有限公司 Multistage pretreatment system and method for engineering muck

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