Disclosure of Invention
Aiming at the technical problems existing in the treatment of the waste water and waste slurry of the existing premixed concrete mixing plant, the invention provides the premixed concrete mixing plant waste water and waste slurry recycling device which is reasonable in design, simple in structure and capable of effectively improving the treatment efficiency and reducing the treatment cost.
In order to achieve the purpose, the technical scheme includes that the waste water and waste slurry recycling device of the ready-mixed concrete mixing plant comprises a device body which is in a cylindrical shape, a driving motor is arranged at the top of the device body, a speed reducer is connected to the power end of the driving motor, a rotating shaft is connected to the output end of the speed reducer, the rotating shaft stretches into the device body to be arranged, a laminate is arranged in the device body, the laminate divides the interior of the device body into an upper cavity and a lower cavity, a partition plate is arranged on the side wall of the rotating shaft, the partition plate is uniformly distributed on the rotating shaft in a ring shape, the partition plate divides the upper cavity of the device body into a plurality of treatment grids, a waste water and waste slurry pipe is further arranged at the top of the device body, the waste water and slurry pipe stretches into the device body, a discharging pipe is further arranged on the side wall of the device body, a conveyer is arranged between the overflow pipe and the discharging pipe and corresponds to different treatment grids, a conveyer is arranged below the conveyer of the conveyer, the conveyer is divided into an upper cavity and a lower cavity, a conveyer is meshed with one end of a conveyer cylinder of a conveyer, a conveyer cylinder of the conveyer is meshed with one end of a conveyer, and a conveyer cylinder of the conveyer is meshed with one end of a conveyer cylinder of the conveyer.
Preferably, the side wall of the auger conveyor is provided with a water outlet, a central plate is arranged in a lower cavity of the device body, the central plate divides the lower cavity of the device body into a left cavity and a right cavity, the central plate forms end supports for the auger conveyor and the screen cylinder, the auger conveyor and the screen cylinder are respectively arranged in the left cavity and the right cavity, and a water outlet pipe matched with the water outlet is arranged at the bottom of the device body.
Preferably, the overflow pipe comprises a first overflow pipe and a second overflow pipe, the first overflow pipe and the second overflow pipe are arranged at intervals up and down along the rotation direction of the partition board, and the first overflow pipe and the second overflow pipe respectively correspond to different treatment grids.
Preferably, the first overflow pipe and the second overflow pipe are both communicated with a liquid separating pipe, a filter screen is arranged in the liquid separating pipe, the filter screen is obliquely arranged in the liquid separating pipe, an impurity pipe is further communicated on the liquid separating pipe, the pipe orifice of the impurity pipe is arranged near the bottom of the liquid inlet direction of the filter screen, and a detachable sealing cover is arranged at one end, far away from the liquid separating pipe, of the impurity pipe.
Preferably, the filter screen on the side wall of the screen cylinder is arranged at least in two stages from the feeding direction to the discharging direction.
Compared with the prior art, the invention has the advantages and positive effects that:
1. The invention provides a waste water and waste slurry recycling device of a ready-mixed concrete mixing plant, which utilizes a device body in a cylindrical shape to be matched with a baffle plate to enable a formed treatment grid to finish collecting and standing waste water and waste slurry, utilizes the matched arrangement of a driving motor and a speed reducer to realize separation of water and aggregate under the condition of slow rotation by utilizing the arrangement of an overflow pipe and a discharge slot, simultaneously completes cleaning of the treatment grid, further completes grading treatment of the water and the aggregate by arranging an auger conveyor and a screen drum, and further realizes multistage treatment and recycling treatment under the condition of no pump.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a waste water and waste slurry recycling device of a ready-mixed concrete mixing plant provided in embodiment 1;
FIG. 2 is a cross-sectional view of the apparatus for recycling waste water and waste slurry of a ready-mixed concrete mixing plant according to example 1;
FIG. 3 is a semi-sectional view of the apparatus for recycling waste water and waste slurry of a ready-mixed concrete mixing plant provided in example 1;
Fig. 4 is a schematic structural view of a liquid separation tube provided in embodiment 1;
In the above figures, 1, a device body, 11, a laminate, 111, a discharge slot hole, 12, a central plate, 13, a waste water and waste slurry pipe, 14, a first overflow pipe, 15, a second overflow pipe, 16, a water outlet pipe, 17, a discharge cylinder, 2, a driving motor, 21, a speed reducer, 22, a rotating shaft, 23, a partition plate, 3, an auger conveyor, 31, a conveying shaft, 32, a driving gear, 33, a water outlet hole, 34, an auger motor, 4, a screen cylinder, 41, a meshing gear, 42, a filter screen, 5, a liquid separation pipe, 51, a filter screen, 52, an impurity pipe, 53 and a sealing cover.
Detailed Description
In order that the above objects, features and advantages of the application will be more clearly understood, a further description of the application will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the disclosure that follow.
The embodiment, as shown in figures 1-4, aims to solve the technical problems that the transmission pump is easy to damage, the use cost is high and the efficiency is low due to the fact that the waste water and waste slurry are incoherent and a large amount of aggregate is contained in the existing premixed concrete mixing plant, including being the device body 1 of tube-shape setting, in order to avoid the use of pump, the setting height of device body 1 should be at subaerial, just like current waste water storage pond, and it digs down, utilizes the effect of gravity, makes its flow direction device body 1 to reduce the setting of pump.
Considering that the waste water and waste slurry in the ready mixed concrete mixing plant are mainly used for cleaning the waste water and waste slurry generated by the mixing transportation vehicle, the mixing host machine and the flushing production field, the mixing transportation vehicle is not continuously cleaned, the filling time is far longer than the cleaning time, the waste water and waste slurry are not continuously generated, and the waste water and waste slurry is also the reason why the waste water storage pool is arranged, in order to avoid cleaning the waste water storage pool, in the embodiment, the top of the device body 1 is also provided with a waste water and waste slurry pipe 13, and the waste water and waste slurry pipe 13 extends into the device body 1.
The top of the device body 1 is provided with a driving motor 2, the main purpose of the driving motor 2 is to drive a rotating shaft 22, the side wall of the rotating shaft 22 is provided with a partition plate 23, the partition plates 23 are uniformly distributed on the rotating shaft 22 in a ring shape, in the embodiment, 6 partition plates 23 are arranged in total, a treatment grid formed between the partition plates 23 is used for storing waste water and waste pulp, when the waste water and waste pulp is stored to a designated height, the rotating shaft 22 rotates, an empty treatment grid is used for continuously storing, the waste water and waste pulp in the treatment grid can be completely scraped away by the arrangement of the partition plates 23, meanwhile, due to the incoherence of the waste water and waste pulp, the time of the waste water and waste pulp in the treatment grid is long, the long time can be used for precipitation, and in order to avoid damaging the precipitation result as much as possible, the rotating shaft 22 needs to slowly rotate, and for this reason, the power end of the driving motor 2 is connected with a speed reducer 21, and the rotating shaft 22 stretches into the device body 1 to be arranged, thus, the arrangement of the speed reducer 21 ensures that the waste water and waste pulp is completely scraped.
Considering that the main objects in the waste water and slurry are water and aggregate, the aggregate can be arranged at the lowest position by sedimentation, and for collecting the aggregate, in the embodiment, a laminate 11 is arranged in the device body 1, the laminate 11 divides the interior of the device body 1 into an upper cavity and a lower cavity, thus, the lower cavity is used for collecting the aggregate, an overflow pipe is arranged on the side wall of the upper device body 1, a discharge slot 111 is further arranged on the laminate 11, the overflow pipe and the discharge slot 111 are adjacently arranged and correspond to different treatment grids, the overflow pipe and the discharge slot 111 are sequentially arranged in a clockwise rotation direction, and the overflow pipe and the discharge slot 111 are arranged at one end with the longest rotation, so that enough sedimentation time can be given. The overflow pipe is mainly used for treating most of water, and due to the action of precipitation, the water on the upper layer is clean and contains less impurities, and the water can be directly and coarsely filtered and then used for cleaning backwater for reuse.
The waste water and the waste pulp which remove most of the moisture enter the chamber of the lower layer through the discharging slot 111, the auger conveyor 3 is arranged in the chamber of the lower layer, specifically speaking, the auger conveyor 3 is arranged below the discharging slot 111, in the embodiment, considering the problem of the use environment, in order to ensure the service life of the auger motor 34, the auger motor 34 is arranged outside the device body 1, simultaneously, the conveying shaft 31 of the auger conveyor 3 extends out of the shell of the auger conveyor 3, simultaneously, the conveying shaft 31 of the auger conveyor 3 extends out of one end of the auger conveyor 3 to be sleeved with the driving gear 32, the screen drum 4 is arranged below the auger conveyor 3, one end of the screen drum 4 is sleeved with the meshing gear 41, the meshing gear 41 is meshed with the driving gear 32, in this way, under the condition that the auger conveyor 3 rotates, the screen drum 4 is also driven to rotate, and the material receiving parts of the screen drum 4 are arranged at the outlet of the auger conveyor 3, so that the aggregate conveyed by the auger conveyor 3 enters the screen drum 4, the screen drum 4 rotates, the fine particles are meshed with the fine particles are arranged at the bottom of the screen drum 1 and the side wall of the screen drum 4, and the fine particles are meshed with the fine particles are arranged at the bottom of the screen drum 1, and the side wall of the screen drum is far from the bottom of the screen drum 1, and the screen drum is arranged at the bottom of the screen drum 17, and the bottom of the screen drum is convenient to be arranged. Thus, fine particles are separated out through the discharge cylinder 17, and aggregates are separated out through the other end of the screen cylinder 4.
In order to separate the waste water from the fine particles, in the present embodiment, a water outlet 33 is provided in the casing wall of the packing auger 3, so that the residual waste water may leak directly under the action of the water outlet 33, and in order to facilitate collection of the residual waste water, a central plate 12 is provided in the lower chamber in the apparatus body 1, the central plate 12 divides the lower chamber in the apparatus body 1 into left and right two chambers, and at the same time, the central plate 12 forms end supports for the packing auger 3 and the screen drum 4, and in the present embodiment, the packing auger 3 and the screen drum 4 are located in the left and right two chambers, i.e., the packing auger 3 and the screen drum 4 have a length of about the radius of the apparatus body 1, and at the same time, a water outlet pipe 16 is provided at the bottom of the apparatus body 1, which is matched with the water outlet 33. Thus, the sorting of the wastewater, the fine particles and the aggregate is completed. The fine particles can be directly used for producing concrete, the aggregate is proportioned and then used for producing the concrete, and the wastewater can be subjected to plate filtration treatment and then used for the next step.
In order to reduce the water entering the lower chamber as much as possible, in this embodiment, the overflow pipe includes a first overflow pipe 14 and a second overflow pipe 15, the first overflow pipe 14 and the second overflow pipe 15 are disposed at intervals up and down along the rotation direction of the partition 23, and the first overflow pipe 14 and the second overflow pipe 15 respectively correspond to different treatment grids. In this way, the water of the first overflow pipe 14 can be used directly, while the second overflow pipe 15 is used for judging whether to plate filter or reenter the stirring station according to the water quality condition.
Considering that the use environment of the mixing station is not limited to smoking and other actions, the mixing station contains a large amount of sundries such as cigarette ends, and the sundries can enter the device body 1, and because the mixing station is light in weight and has floating characteristics, for this purpose, the first overflow pipe 14 and the second overflow pipe 15 are both communicated with the liquid separating pipe 5, the filter screen 51 is arranged in the liquid separating pipe 5, the filter screen 51 is obliquely arranged in the liquid separating pipe 5, the liquid separating pipe 5 is also communicated with the impurity pipe 52, the pipe orifice of the impurity pipe 52 is arranged near the bottom of the liquid inlet direction of the filter screen 51, and one end of the impurity pipe 52, which is far away from the liquid separating pipe 5, is provided with the detachable sealing cover 53. Thus, the cover 53 is removed as needed to collect impurities, so that the overflowed water is free of such impurities as leaves, tobacco ends, wood sticks and the like.
Considering the graded use of aggregate, for this purpose, in this embodiment, the filter screen 42 of the side wall of the screen drum 4 is disposed in at least two stages from the feeding direction to the discharging direction. Therefore, the aggregate can be divided into at least two types, and the subsequent use is more convenient.
Through foretell setting, the unable long-time problem of using of waste water storage pool clearance, storage and pump of effectual solution, simultaneously, the effectual classification has been realized to the scheme that this embodiment provided, has reduced the trouble of follow-up processing, has improved work efficiency.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.