Glass sand secondary circulation washs recovery unit
Technical Field
The utility model belongs to the field of glass recycling equipment, and particularly relates to a glass sand secondary circulation cleaning and recycling device.
Background
The glass is an inorganic nonmetallic material, and mainly comprises silicon dioxide and other oxides, and has high chemical stability due to good light transmittance, so that the glass is widely used in modern industry and applied to the fields of construction, daily use, art, medical treatment, chemistry, electronics, instruments, nuclear engineering and the like. The production of glass products is to crush quartz sand, sodium carbonate, limestone, feldspar and other raw materials, add other ingredients according to the requirement, then melt the raw materials at high temperature to prepare liquid glass, inject the liquid glass into a forming die for forming and cooling, and then obtain the finished products through other treatments. The production process of glass products is quite mature, so that the usage amount of the glass products is very large, a large amount of glass waste products are generated behind the huge usage amount, the glass waste products are difficult to degrade due to the characteristics of the glass, the environment is greatly harmed, the broken glass is quite sharp, serious injury is caused to human bodies, and therefore, great efforts are required for recycling the glass waste products.
The main treatment mode of the glass waste at present is recovery treatment, after the glass waste is crushed, the glass waste is doped into glass production raw materials to prepare new glass products, because the glass waste is selected from garbage, a large amount of impurities such as soil, plastics, metal fragments and the like can be doped, the glass production has higher requirements on the components of the raw materials, and the existence of the impurities can influence the firing quality of the glass, therefore, the glass fragments need to be screened in a glass recovery link, the glass fragments are cleaned, the impurities such as metal and the like are removed, and the purity of the glass fragments is ensured.
The existing glass recovery and cleaning equipment only cleans glass for one to two times, then recovers cleaned glass fragments, and directly discards generated cleaning water, and in the actual cleaning process, a large amount of small particles and powdery glass exist in the glass fragments, and the glass basically flows out along with the cleaning water in the cleaning process, is not selected into a recovered glass stack, so that the glass recovery rate is reduced, and meanwhile, a large amount of glass particles and powder in the cleaning wastewater also cause the difficulty of wastewater treatment to rise, so that the water treatment cost is greatly increased, and huge problems are brought to the links of glass recovery and wastewater treatment.
Disclosure of utility model
In order to solve the problem of small particle and powder recovery in the glass recovery process, the utility model provides a glass sand secondary circulation cleaning recovery device, which completely eliminates impurities in glass fragments by cleaning for three times in the recovery cleaning process and greatly improves the glass recovery utilization rate.
The utility model provides a glass sand secondary cycle washs recovery unit, is by belt cleaning device, screen washing device and stirs the washing device and constitute, carries out first cleaning screening by belt cleaning device, and screen washing device carries out the second cleaning screening, stirs the washing device and carries out the third cleaning screening.
The cleaning device consists of a frame body, a conveyor belt, a hopper, a scattering screen and a water spraying pipe, wherein the hopper is arranged at the upper end of the frame body, glass fragments to be cleaned and recovered are thrown into the cleaning device through the hopper, the scattering screen is arranged below the hopper, the glass fragments are scattered through the scattering screen, the conveyor belt is obliquely arranged below the frame body, the lowest end of the conveyor belt is positioned under the screen surface of the scattering screen, the discharge port of the scattering screen extends out of the conveyor belt, the glass fragments uniformly scattered through the scattering screen fall onto the conveyor belt, and large fragments fall out of the cleaning device through the scattering screen. The highest end of the conveyor belt faces the screening and washing device, and glass fragments are conveyed to the screening and washing device through the conveyor belt for second-time washing. And the water spraying pipe is arranged above the conveyor belt, so that the water spraying pipe is connected with an external water pipe, and when the conveyor belt conveys the glass fragments, water sprayed by the water spraying pipe is sprayed onto the glass fragments for automatic cleaning.
The screen washing device comprises a screen washing tank, a screen washing barrel, a motor I, a feed chute, a discharge chute I, a discharge chute II and a collecting box, wherein the screen washing barrel is used as a main body part for screening glass, the screen washing barrel is rotatably and transversely arranged on the screen washing tank, a plurality of cleaning holes for cleaning are formed in the side wall of the screen washing barrel, cleaning wastewater can flow into the screen washing tank through the cleaning holes, the position of one end of the screen washing barrel, which is close to the cleaning device, is higher than the position of one end, which is close to the stirring device, of the screen washing barrel during installation, glass fragments can automatically fall out from the lower end of the screen washing barrel, and when the screen washing tank is arranged, the screen washing barrel needs to be completely covered by the screen washing barrel in the vertical direction, so that the screening washing wastewater can be completely collected. The motor I is used as a power device for driving the screen washing barrel, the motor I is arranged on the screen washing groove, the motor I is positioned on one side of the screen washing barrel, the output end of the motor I is connected with the screen washing barrel, and the screen washing barrel is driven to rotate through the motor I. The feeding chute is used for conveying the glass fragments cleaned by the cleaning device into the screen washing barrel, and the feeding chute is arranged on the screen washing chute, so that the inlet of the feeding chute is positioned below the conveyor belt, and the outlet of the feeding chute extends into the higher end of the screen washing barrel. The collecting box is used for collecting the cleaned glass recovery, and the collecting box is arranged on the side face of the screening washing groove. The first discharging groove is arranged at the bottom of the screening washing groove, the outlet of the first discharging groove extends into the stirring and washing device, and the wastewater collected by the screening washing groove is sent into the stirring and washing device for third cleaning. The second discharging groove is positioned below the lower end of the screen washing barrel, the outlet of the second discharging groove stretches into the collecting box, and glass fragments which are cleaned and screened by the screen washing barrel are collected into the collecting box.
The stirring and washing device consists of a stirring and washing tank, an auger, a motor II and a discharging tank III, wherein the stirring and washing tank is installed in an inclined posture, the lowest end of the stirring and washing tank is located below the discharging tank I, and wastewater flowing out of the discharging tank I enters the bottom end of the stirring and washing tank. And a packing auger is arranged in the stirring tank, a second motor is arranged at the highest end of the stirring tank, the output end of the second motor is connected with the packing auger, the packing auger is driven to rotate by the second motor, and the packing auger is utilized to convey waste water to the highest end. And then the discharging groove III is arranged on the side surface of the highest end of the stirring and washing groove, so that the outlet of the discharging groove III extends into the collecting box. The auger is in the upward movement process of conveying waste water, waste water can flow back to the lower part due to the action of gravity, and because glass small particles and powder contained in the waste water have larger weight, the waste water is deposited at the bottom of the waste water and can move upward along with the auger, the cleaning of the glass small particles and the powder and the separation of the glass small particles and the powder from water are completed in the process, and finally the glass small particles and the powder are collected into the collecting box through the discharging groove III.
In order to further improve the screening effect, an electromagnet is arranged on the bottom surface of the discharging chute III, and finely crushed metal fragments are sucked out by the electromagnet.
In order to improve the screening effect of the dispersing screen, the dispersing screen consists of a vibrating groove and a vibrating screen, the vibrating groove is arranged below the hopper, and the vibrating screen is arranged below the vibrating groove. Let vibration groove and shale shaker slope setting, make the highest end of vibration groove be located the hopper below, the lowest end of vibration groove is located the shale shaker highest end top, and the conveyer belt is stretched out to the lowest end of shale shaker to at the highest end installation vibrator of vibration groove and shale shaker, let shale shaker and vibration groove constantly vibrate in the course of the work through the vibrator. Glass fragments in the hopper are scattered by a first step when falling into the vibrating screen, the scattered glass fragments fall into the vibrating screen for vibration screening, qualified glass fragments fall into the conveying belt from the screen surface for cleaning and screening, and other sundries fall out of the cleaning device through an outlet of the vibrating screen.
In order to improve the waste water collection efficiency to the screen washing in-process production, set up the screen washing groove into the shape that the opening width is greater than the bottom width, let the screen washing groove be close to the one end that stirs the washing device and be less than and be close to belt cleaning device one end, install the blown down tank one and be close to the one end that stirs the washing device at the screen washing groove, let waste water flow into in the blown down tank one automatically under the action of gravity through the setting of slope.
According to the glass sand secondary circulation cleaning and recycling device, various impurities such as silt and metal in glass fragments are completely removed through three times of cleaning and screening, the influence of impurities in recycled glass on glass production is avoided, the glass recycling rate can be greatly improved, glass small particles, powder and the like in waste water for cleaning are screened out, the waste water treatment difficulty is reduced, and the pollution to the environment is reduced.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a screening and stirring device;
FIG. 3 is a schematic perspective view of a stirring and washing device;
FIG. 4 is a schematic side view of a screen washing apparatus and a agitator washing apparatus;
The device comprises a 1-cleaning device, a 2-screening device, a 3-stirring device, a 11-frame body, a 12-conveying belt, a 13-hopper, a 14-spray pipe, a 15-vibrating tank, a 16-vibrating screen, a 21-screening tank, a 22-screening tank, a 23-motor I, a 24-feeding tank, a 25-discharging tank I, a 26-discharging tank II, a 27-collecting tank, a 31-stirring tank, a 32-auger, a 33-motor II, a 34-discharging tank III and a 35-electromagnet.
Detailed Description
For further explanation of the inventive concept, the following description of specific embodiments of the present utility model will be given with reference to the accompanying drawings:
in the actual manufacturing process, as shown in fig. 1, the cleaning and recovering device further comprises a component for installing and connecting each component, a main body bracket and the like, and the components do not play an actual role in the function of the cleaning and recovering device, so the components are not described in detail in the drawings and the description, and the arrangement mode of each connecting component can be clear to a person skilled in the art according to the description of the description.
According to the design drawing of the cleaning device 1, a frame body 11 is welded, a hopper 13 is welded and fixed at the upper end of the right side of the frame body 11, two long metal grooves and two short metal grooves are taken, a vibrator is fixed on one side of each short metal groove to serve as a vibrating groove 15, a vibrator is fixed on one side of each long metal groove to serve as a vibrating screen 16, and sieve holes are formed in the bottom surface of the vibrating screen 16. The vibrating trough 15 is arranged below the hopper 13, one end of the vibrating trough 15, which is provided with a vibrator, is higher than the other end, the vibrating screen 16 is fixed below the vibrating trough 15, one end of the vibrating screen 16, which is provided with the vibrator, is positioned at the lower end of the vibrating trough 15, and the other end of the vibrating screen 16 is lower than the end at which the vibrator is arranged. The conveyor belt 12 is installed below the vibrating screen 16, the screen holes of the vibrating screen 16 are located right above the conveyor belt 12, the lowest end of the vibrating screen 16 is located outside the conveyor belt 12, and the other end of the conveyor belt 12 is inclined upwards towards the screen washing device 2. The spout 14 is installed above the conveyor 12 so that the spout 14 can spray water toward the conveyor 12, and an external water pipe is connected to the spout 14 to supply water, as shown in fig. 1.
Taking a metal groove with a trapezoid cross section as a screening groove 21, wherein the groove bottom width of the screening groove 21 is smaller than the groove top width, manufacturing a main body support for installing all parts of the screening device 2 according to a design drawing, fixing the screening groove 21 on the main body support, and enabling the screening groove 21 to be obliquely arranged, so that one end of the screening groove 21 close to the cleaning device 1 is higher. Then a metal cylinder is taken as a screen washing barrel 22, the diameter of the screen washing barrel 22 is smaller than the top width of the screen washing groove 21, a plurality of water outlet holes are formed in the side wall of the screen washing barrel 22, then a rotating shaft is arranged on the central shaft inside the screen washing barrel 22, the rotating shaft is connected with the inner wall of the screen washing barrel 22 through steel bars, two ends of the rotating shaft are connected to the screen washing groove 21 through bearings, the rotating shaft is inclined when the screen washing barrel is arranged, one end of the rotating shaft, which is close to the cleaning device 1, is higher than the other end of the rotating shaft, a motor I23 is arranged at the lower end of the screen washing groove 21, and the motor I23 is connected with the rotating shaft. A feed chute 24 is mounted at the upper end of the screen wash chute 21 with the discharge opening of the feed chute 24 extending into the screen wash tank 22 such that the feed chute 24 is positioned below the outlet end of the conveyor belt 12. A collecting box 27 is arranged on the side surface of the screen washing groove 21, the discharge groove I25 is arranged at the bottom of one end of the screen washing groove 21, which is close to the stirring and washing device 3, and the outlet end of the discharge groove I25 stretches into the stirring and washing device 3. A second discharge chute 26 is mounted below the lower end of the screen wash bucket 22 such that the outlet of the second discharge chute 26 extends into a collection bin 27, as shown in fig. 2.
The stirring tank 31 is arranged below the outlet of the first discharging tank 25, the stirring tank 31 is obliquely arranged, the lowest end of the stirring tank 31 is positioned below the first discharging tank 25, an auger 32 is arranged in the stirring tank 31, a second motor 33 is arranged at the highest end of the stirring tank 31, the second motor 33 is connected with the auger 32, a third discharging tank 34 is arranged on the side face of the highest end of the stirring tank 31, the outlet of the third discharging tank 34 stretches into the collecting tank 27, and four electromagnets 35 are transversely arranged on the bottom of the third discharging tank 34, as shown in fig. 3 and 4.
When the glass is recovered and cleaned, the cleaning device 1 is used for carrying out first cleaning, glass fragments to be recovered are placed into the hopper 13, the glass fragments fall into the vibrating groove 15 from the hopper 13, the vibrating groove 15 vibrates to uniformly disperse the glass fragments, the glass fragments are prevented from piling up together, then fall into the vibrating screen 16 from the outlet of the vibrating groove 15, the vibrating screen 16 continuously vibrates, the glass fragments fall onto the conveyor belt 12 through the sieve holes of the vibrating screen 16, and other larger metal fragments and garbage fall out of the cleaning device 1 from the outlet of the vibrating screen 16. The glass fragments on the conveyor belt 12 are driven to move obliquely upwards, the water spraying pipe 14 continuously sprays water to the conveyor belt 12 in the moving process, most of silt on the glass fragments is washed by water and flows downwards along with the water, and the washed glass fragments reach the highest point of the conveyor belt 12 to finish first cleaning and then fall into the screening and washing device 2.
Glass fragments fall into the feed chute 24 from the conveyor belt 12, are guided into the screen washing barrel 22 through the feed chute 24, the screen washing barrel 22 is driven by the motor one 23 to continuously rotate, the glass fragments can continuously rotate in the screen washing barrel 22, water can be injected into the screen washing barrel 22 at the moment, fine silt in the glass fragments is further washed, and the fine silt is brought into the screen washing barrel 21 by water flow through the water outlet holes. The glass fragments after the second cleaning pass from the lower end of the screen washing barrel 22 fall into a second discharging groove 26, and are poured into a collecting box 27 through the second discharging groove 26 to be accumulated. The sewage flowing out of the water outlet holes is collected into a first discharge chute 25 through the screening and washing chute 21, and is sent into the stirring and washing device 3 through the first discharge chute 25.
Sewage enters the stirring and washing tank 31 through the discharging tank I25, the motor II 33 drives the auger 32 to continuously rotate, the sewage is continuously upwards carried under the drive of the auger 32, the glass is continuously upwards driven to the top of the stirring and washing tank 31 due to the fact that the weight of the glass is larger than that of water and other impurities, the water and other impurities cannot be deposited at the bottom, and then automatically downwards flow back after rising to a certain height, so that the glass is separated from the impurities. After the glass is brought to the top of the stirred tank 31, it is recovered into the collection tank 27 via discharge chute three 34, where it is subjected to metal scrap by electromagnet 35. After three cleaning steps, the collected glass in the collection box 27 reaches the recycling standard, and can be directly recycled.
The above description is only of the preferred embodiments of the present utility model, and it should be understood that various changes and modifications can be made by those skilled in the art, and any modifications, equivalents, improvements and the like made by the present utility model should be included in the scope of the present utility model.