CN212982681U - Stone material waste water cyclic utilization system - Google Patents
Stone material waste water cyclic utilization system Download PDFInfo
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- CN212982681U CN212982681U CN202021822434.7U CN202021822434U CN212982681U CN 212982681 U CN212982681 U CN 212982681U CN 202021822434 U CN202021822434 U CN 202021822434U CN 212982681 U CN212982681 U CN 212982681U
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- 239000004575 stone Substances 0.000 title claims abstract description 59
- 239000002351 wastewater Substances 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 title claims abstract description 29
- 125000004122 cyclic group Chemical group 0.000 title abstract description 9
- 238000005189 flocculation Methods 0.000 claims abstract description 69
- 230000016615 flocculation Effects 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000004062 sedimentation Methods 0.000 claims abstract description 61
- 239000004576 sand Substances 0.000 claims abstract description 26
- 239000013049 sediment Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000000706 filtrate Substances 0.000 claims abstract description 14
- 238000003860 storage Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 24
- 238000004064 recycling Methods 0.000 claims description 17
- 239000011449 brick Substances 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims 3
- 238000000926 separation method Methods 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 7
- 238000003825 pressing Methods 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 5
- 230000002262 irrigation Effects 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003818 cinder Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011085 pressure filtration Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The utility model discloses a stone material waste water cyclic utilization system belongs to stone material processing technology field. The device comprises a wastewater collection tank, a sedimentation tank, a flocculation tank, a cyclone separator, a vibrating screen, a vertical flow sedimentation tank, a buffer tank, a clean water tank and a filter press, wherein a grid is arranged in the wastewater collection tank, and the sedimentation tank is connected with a feed inlet of the cyclone separator; the cyclone separator is positioned right above the vibrating screen, a discharge hole at the bottom of the cyclone separator is output to the vibrating screen, and a water outlet at the upper part of the cyclone separator is connected with the flocculation tank; a water receiving tank is arranged right below the vibrating screen and connected with the flocculation tank, and a fine sand output belt is arranged between a coarse material outlet of the vibrating screen and a fine sand storage yard; the clear liquid outlet of the sedimentation tank is connected with the flocculation tank, and the bottom of the flocculation tank is connected with the feed pipe of the vertical flow sedimentation tank; the overflow weir at the top of the vertical flow sedimentation tank is connected with the clean water tank through a pipeline, and the sediment outlet at the bottom of the vertical flow sedimentation tank is connected with the buffer tank; the buffer tank is connected with the filter press through a pipeline with a pressure filter pump; the filtrate outlet of the filter press is connected with a clean water tank.
Description
Technical Field
The utility model belongs to the technical field of the stone material processing, in particular to stone material waste water cyclic utilization system, this system by-product building raw materials when recycling stone material waste water, especially can by-product sand for building and brickmaking raw materials.
Background
The rapid development of the economy of China promotes the rapid development of the stone industry, and a large and small stone industry cluster or stone industry area and industry town appear in the whole country. The stone plate processing and producing process needs a large amount of cooling water and generates a large amount of stone waste water, the solid content of the stone waste water can reach about 18 percent generally, and the stone waste water cannot be directly discharged; generally, stone wastewater is discharged or recycled after being settled for many times, but the settled wastewater has a solid content of more than 5%, is slightly turbid, often cannot meet the discharge standard, has a poor effect when being directly recycled, and can achieve the cooling effect by adding other coolants. In addition, the sediment obtained by settling is not easy to handle and is generally sent to a slag yard for landfill. The slag yard landfill has high treatment cost, and waste water with high solid content can be generated after the landfill is washed by rainwater, so that the environment can be polluted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a stone material waste water cyclic utilization system, its in-process that handles stone material waste water respectively by-product sand for building and brickmaking raw materials, the building sand all can be sold with the brickmaking raw materials outward, also can cooperate the brickmaking. Meanwhile, the system has large treatment capacity which can reach 1500 square/h, and the consumption of cooling water can be ensured; the treatment effect is good, the solid content of the treated clear water is less than 2 percent, the cooling effect of stone processing can be ensured, and other cooling agents are not required to be added; the treatment cost is low, only 2-3 workers are needed, and the treatment cost is about 1 yuan/m3The benefits of the waste water, the building sand and the brick making raw material which are byproducts can be completely offset. The technical scheme is as follows:
the embodiment of the utility model provides a stone material waste water cyclic utilization system, this system includes waste water collecting tank, sedimentation tank, flocculation basin, cyclone, shale shaker, vertical sedimentation tank, buffer tank, clean water basin and pressure filter, be equipped with the grid in the waste water collecting tank, the bottom of sedimentation tank is connected with cyclone's feed inlet through the pipeline that has first delivery pump; the cyclone separator is positioned right above the vibrating screen, a discharge hole at the bottom of the cyclone separator is output to the vibrating screen, and a water outlet at the upper part of the cyclone separator is connected with the flocculation tank through a pipeline; a water receiving tank is arranged right below the vibrating screen and used for receiving fine materials and water output from the vibrating screen, the water receiving tank is connected with the flocculation tank, and a fine sand output belt is arranged between a coarse material outlet of the vibrating screen and a fine sand storage yard; the clear liquid outlet of the sedimentation tank is connected with a flocculation tank, and the bottom of the flocculation tank is connected with a feed pipe 7 of the vertical flow sedimentation tank through a pipeline with a second delivery pump; the overflow weir 4 at the top of the vertical flow sedimentation tank is connected with the clean water tank through a pipeline, and the sediment outlet 3 at the bottom of the vertical flow sedimentation tank is connected with the buffer tank through a pipeline with a valve; the buffer tank is connected with the filter press through a pipeline with a pressure filter pump; and a filtrate outlet of the filter press is connected with a clean water tank.
Wherein, the grid interval of the grid in the embodiment of the utility model is 8-12mm, and the screen mesh aperture of the vibrating screen is 0.7-2.0 mm.
Specifically, the embodiment of the utility model provides a clean water basin is located the below of overflow weir and the below of pressure filter, be equipped with the agitator in the buffer pool.
Preferably, the number of the vertical flow sedimentation tanks in the embodiment of the utility model is two, and each vertical flow sedimentation tank is connected with the flocculation tank through 1-4 pipelines with delivery pumps; the number of the filter presses is two; the two filter presses are arranged side by side, feed inlets of the two filter presses are connected with the buffer tank through pipelines with pressure filter pumps, filtrate outlets of the two filter presses are communicated with the clean water tank through ditches, and the two filter presses share one slag discharge groove.
Further, the utility model provides a stone material waste water cyclic utilization system still includes at least one PAC dissolving tank, PAC dissolving tank and flocculation basin intercommunication are equipped with the valve between and, PAC dissolving tank is higher than the flocculation basin and is equipped with the agitator in it.
Specifically, the embodiment of the utility model provides an in the front side of flocculation basin is located to the sedimentation tank, the rear side of flocculation basin is located to the PAC dissolving tank, the quantity of PAC dissolving tank is 1-4, sets up side by side about a plurality of PAC dissolving tanks, the left side or the right side of flocculation basin are located to the shale shaker, the water receiving tank passes through the pipeline and is connected with the flocculation basin, the middle part of flocculation basin is located to the second delivery pump.
Preferably, the embodiment of the utility model provides a slag discharging groove of pressure filter is equipped with filter residue output belt, the other end of filter residue output belt is connected with the former feed tank of brickmaking machine, the clean water basin is connected with the former feed tank of brickmaking machine through the pipeline of taking the third delivery pump, be equipped with raw materials conveyor belt between the former feed tank of fine sand store yard and brickmaking machine.
The vertical flow sedimentation tank in the embodiment of the utility model comprises a vertically arranged cylindrical barrel 1, a plurality of support legs 2 for supporting the barrel 1, a sediment outlet 3 at the bottom of the barrel 1, an overflow weir 4 at the outer edge of the top of the barrel 1, a cyclone tank 5 at the center of the top of the barrel 1, a cyclone pipe 6 at the bottom of the cyclone tank 5 and a feed pipe 7 on the cyclone tank 5, wherein the bottom of the barrel 1 is a conical bottom, the cyclone tank 5 is a circular tank, the cyclone pipe 6 is a circular pipe, the cyclone tank 5 and the cyclone pipe 6 are coaxial with the barrel 1, the cyclone tank 5 is positioned above the liquid level in the barrel 1, and the feed pipe 7 is tangent to the side wall at the bottom of the cyclone tank 5; the upper end of the cyclone tube 6 upwards extends into the cyclone groove 5 and is higher than the feeding tube 7, and the lower end of the cyclone tube extends to the lower part of the barrel body 1 and is positioned above the conical bottom.
Wherein, the embodiment of the utility model provides an overflow weir 4 is the annular coaxial with barrel 1, barrel 1's top is serration structure, the quantity of inlet pipe 7 is 1-4, and many inlet pipes 7 set up side by side from top to bottom, barrel 1 top is equipped with polylith backup pad 8 along its footpath, whirl groove 5 is fixed in polylith backup pad 8 junction, the both sides of backup pad 8 are equipped with rail 9 and form the passageway.
Specifically, the diameter of the cyclone groove 5 in the embodiment of the present invention is 1/8-1/4 of the diameter of the cylinder 1, the diameter of the cyclone tube 6 is 1/3-3/5 of the diameter of the cyclone groove 5, the height of the conical bottom is 2/5-11/20 of the height of the cylinder 1, and the length of the cyclone tube 6 extending into the liquid level is 1/3-7/15 of the height of the cylinder 1; the height of the cylinder body 1 is 12-25m, and the diameter of the cylinder body is 6-10 m; the distance between the upper end of the cyclone tube 6 and the bottom of the cyclone tank 5 is 0.25-0.45 m; the total flow of the feed pipe 7 is smaller than the flow of the cyclone tube 6.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a stone material waste water cyclic utilization system, its in-process that handles stone material waste water is by-product building sand and brickmaking raw materials respectively, and building sand and brickmaking raw materials all can be sold outward, also can cooperate the brickmaking. Meanwhile, the system has large treatment capacity which can reach 1500 square/h, and the consumption of cooling water can be ensured; the treatment effect is good, the solid content of the treated clear water is less than 2 percent, the cooling effect of stone processing can be ensured, and other cooling agents are not required to be added; the treatment cost is low, only 2-3 workers are needed, and the treatment cost is about 1 yuan/m3The benefits of the waste water, the building sand and the brick making raw material which are byproducts can be completely offset. In addition, the system has no waste water discharge and no solid waste generation, and can continuously run only by supplementing about 5 percent of clear water, thereby saving the cost for waste water and solid waste treatment and saving water resources.
Drawings
FIG. 1 is a schematic block diagram of a stone waste water recycling system in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vertical flow sedimentation tank provided by the embodiment of the present invention;
fig. 3 is a top view of a vertical flow sedimentation tank provided by an embodiment of the present invention;
FIG. 4 is a flow chart of a method for recycling stone wastewater and by-producing building raw materials according to an embodiment of the present invention.
In the figure: 1 barrel, 2 supporting legs, 3 sediment outlets, 4 overflow weirs, 5 cyclone grooves, 6 cyclone pipes, 7 feeding pipes, 8 supporting plates and 9 fences.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, embodiment 1 provides a stone wastewater recycling system, which includes a wastewater collection tank, a sedimentation tank, a flocculation tank, a cyclone separator, a vibrating screen, a vertical sedimentation tank, a buffer tank, a clean water tank, a filter press, and the like, wherein a grid is arranged in the wastewater collection tank (large-particle-size stones cannot enter the sedimentation tank, and large-particle-size stones can also be used as building materials (such as aggregates) and can also be directly buried), and the bottom of the sedimentation tank is connected with a feed inlet of the cyclone separator through a pipeline with a first delivery pump for delivering sediments at the bottom of the sedimentation tank to the cyclone separator for treatment. The cyclone separator is positioned right above the vibrating screen, a discharge port at the bottom of the cyclone separator (positioned right above a screen of the vibrating screen) is output to the vibrating screen, and a water outlet at the upper part of the cyclone separator is connected with the flocculation tank through a pipeline. A water receiving tank is arranged right below the fine material outlet of the vibrating screen and used for receiving the fine materials and water output from the vibrating screen, and the water receiving tank is connected with the flocculation tank through a ditch or a pipeline. And a fine sand output belt is arranged between the coarse material outlet of the vibrating screen and the fine sand storage yard and is used for conveying the screened fine sand. The clear liquid outlet (usually overflow) of the sedimentation tank is connected with the flocculation tank, the bottom of the flocculation tank is connected with the feed pipe 7 of the vertical flow sedimentation tank through a pipeline with a second delivery pump for sending the side sediment at the bottom of the flocculation tank to the vertical flow sedimentation tank for treatment, and a flocculating agent, in this embodiment PAC, is added into the flocculation tank. The overflow weir 4 at the top of the vertical sedimentation basin is connected with the clean water basin through a pipeline (outputting supernatant liquor), and the sediment outlet 3 at the bottom of the vertical sedimentation basin is connected with the buffer basin through a pipeline with a valve (specifically a pneumatic valve) (outputting sediment which is opened when the sediment reaches a certain degree, such as half height of the conical bottom). The buffer tank is connected with a filter press through a pipeline with a filter press pump so as to filter-press the sediments. The filtrate outlet of the filter press is connected with the clean water tank through a pipeline or a ditch to output the filtrate. And the clean water pool is output to the stone processing workshop.
Wherein, the grid interval of the grid in the embodiment of the utility model is 8-12mm, and the screen mesh aperture of the vibrating screen is 0.7-2.0 mm. The grid spacing of the grid and the screen mesh aperture of the vibrating screen can be designed according to actual needs, and the building sand in the embodiment can be used as a brick making raw material. Specifically, the grid interval of the grid is 10mm, and the screen mesh aperture of the vibrating screen is 1 mm.
Specifically, the utility model provides an in the embodiment of the vibrating screen slope set up, set up by cyclone to feeder hopper slant downwards, its inclination can be less, if be less than 15. The cyclone separator (vertical setting) is arranged right above the upper part of the screen of the vibrating screen, the feeding end of the output belt is provided with a feeding hopper (conventional structure), the feeding hopper is arranged right below the lower end of the screen of the vibrating screen and used for receiving coarse materials, and the fine sand output belt (which can be composed of a plurality of belts) is arranged obliquely from the feeding end to the discharging end and the discharging end to the yard.
Wherein, the embodiment of the utility model provides a water receiving tank (specifically can be the rectangular channel, requires can receive the thin material and the water of shale shaker output completely) for big-end-up's bucket column structure, and it is located the screen cloth of shale shaker under, and its bottom is passed through the pipeline and is connected with the flocculation basin.
Preferably, the embodiment of the utility model provides an on the pipeline between sludge pump and cyclone's the feed inlet be equipped with the buffer tank (play the cushioning effect, specifically can be airtight box structure, but its bottom sets up open closed drain), cyclone and buffer tank all locate support (frame rack structure), the buffer tank is located the top of shale shaker.
Specifically, the embodiment of the utility model provides an in waste water collecting pit, sedimentation tank and flocculation basin by a cell body (specifically along around to setting up) cut apart through the grid that sets gradually around and the partition wall and form, the liquid level in the cell body is lower in the top of partition wall forms the overflow mouth and makes sedimentation tank and flocculation tank intercommunication, and the left side or the right side of flocculation tank are located to the shale shaker.
Wherein, the delivery pump in the embodiment of the utility model provides an is vacuum centrifugal pump.
Wherein, the clean water tank in the embodiment of the utility model is positioned below the overflow weir 4 and the filter press to reduce the use of the water pump; the buffer pool is internally provided with a stirrer, and the bottom of the buffer pool is preferably lower than the bottom of the cylinder body 1 so as to ensure that sediments are output to the buffer pool.
Preferably, the number of the vertical flow sedimentation tanks in the embodiment of the present invention is two, and each vertical flow sedimentation tank is connected with the flocculation tank through 1-4 (specifically, 3) pipelines with a delivery pump. The number of filter presses is two, and the alternative use is in order to guarantee workman's saturation of work (single filter press usually needs two workman's cooperation, and one workman removes the sheet frame, and another clears up the filter cloth). Two pressure filters set up side by side, and its feed inlet all is connected with the buffer pool through the pipeline of taking the pressure filtration pump, and its filtrating export all communicates through irrigation canals and ditches and clean water basin, and a row's cinder notch of its sharing (locate the below between two pressure filters, the pressure filter is equipped with the conveyer belt through the guide board guide of slope to arranging the cinder notch in arranging the cinder notch, similar with conventional structure).
Preferably, the top of the buffer pool in the embodiment of the present invention is communicated with the flocculation pool through an obliquely downward pipeline to deliver the sediment to the flocculation pool when the buffer pool is about to overflow.
Further, see fig. 1, the embodiment of the utility model provides a high-efficient processing apparatus of stone material waste water still includes that at least one PAC dissolving tank is used for dissolving the PAC, PAC dissolving tank and flocculation basin intercommunication and be equipped with the valve between and be used for sending it to the flocculation basin after the PAC, PAC dissolving tank than flocculation basin height (reduce the use of pump) and be equipped with the agitator in it.
Specifically, the embodiment of the utility model provides an in the front side of flocculation basin is located to the sedimentation tank (sedimentation tank sets up side by side with the flocculation basin), and the PAC dissolving tank is located the rear side of flocculation basin (the subaerial on one side of flocculation basin), and the quantity of PAC dissolving tank is 1-4, sets up side by side about a plurality of PAC dissolving tanks, and the middle part of flocculation basin is located to the second delivery pump. The water for dissolving PAC can be clear water or filtrate of a filter press.
Further, the embodiment of the utility model provides an in the filtrating export of pressure filter pass through the irrigation canals and ditches (its part is parallel with the pressure filter and is located the filtrating export of pressure filter directly under) and be connected with the clean water basin, be equipped with a irrigation canals and ditches and first gate valve (open under the normal conditions) in proper order along the output direction of filtrating on the irrigation canals and ditches between pressure filter and the clean water basin, the other end and the PAC dissolving tank or the flocculation basin of branch irrigation canals and ditches are connected (are used for dissolving the PAC, or return the flocculation basin with filtrating when filtrating more muddy and handle once more) and be equipped with the second gate valve.
Preferably, the embodiment of the present invention provides a slag discharging groove of a filter press is provided with a filter residue output belt, the other end of the filter residue output belt is connected with a raw material groove of a brick making machine, a clean water tank is connected with the raw material groove of the brick making machine through a pipeline with a third delivery pump, and a raw material delivery belt is arranged between a fine sand storage yard and the raw material groove of the brick making machine.
Wherein, referring to fig. 2 and 3, the vertical flow sedimentation tank in this embodiment includes a vertically arranged and cylindrical barrel 1, a plurality of support legs 2 for supporting the barrel 1 (disposed at the lower part of the barrel 1, the plurality of support legs 2 are uniformly distributed and vertically disposed), a sediment outlet 3 (bottom end of the conical bottom) at the bottom of the barrel 1, an overflow weir 4 at the outer edge of the top of the barrel 1 (similar to a conventional structure, the supernatant overflows from the top of the barrel 1 into the overflow weir 4), a cyclone tank 5 at the center of the top of the barrel 1, a cyclone pipe 6 at the bottom of the cyclone tank 5, and a feeding pipe 7 on the cyclone tank 5, etc. Wherein, the bottom of barrel 1 is conical bottom so that the deposit of ejection of compact and deposit, and whirl groove 5 is circular slot (vertical setting), and whirl pipe 6 is the pipe (vertical setting, and its diameter is less than the diameter of circular slot), and whirl groove 5 and whirl pipe 6 are all coaxial with barrel 1, and whirl groove 5 is located the liquid level top (adjacent top) in barrel 1. The feed pipe 7 is tangent to the side wall of the bottom of the swirl tank 5 so that the incoming liquid moves in a circular motion around the annular groove between the swirl tank 5 and the swirl pipe 6 to form a vortex. The upper end of the cyclone tube 6 extends upwards into the cyclone trough 5 and is higher than the feed tube 7 (but the distance between the upper end of the cyclone tube and the bottom of the cyclone trough 5 cannot be too large to ensure that liquid enters the cyclone tube 6 in a vortex) to form a ring groove, and the lower end of the cyclone tube is connected to the lower part of the cylinder 1 and is located above the conical bottom. The liquid is transported spirally downwards in the cyclone tube 6, and the solids therein are accumulated towards the middle part of the cyclone tube 6 (falling into the conical bottom part under the action of self gravity) under the centrifugal force. The bottom end of the cyclone tube 6 extends into the depth of the cylinder body 1, and sediment accumulated at the conical bottom cannot be disturbed to ensure the separation effect; meanwhile, when the liquid flows out from the lower end of the cyclone tube 6, the solid is precipitated downwards to be conical due to the self weight of the solid in the process of rising waterAnd the bottom part is clear water to the top part of the cylinder body 1. Through production practice, the solid content of the wastewater can be reduced from more than 15% to less than 2%, and the solid content of the wastewater is almost the same as that of filtrate output by a filter press, so that the wastewater can be completely discharged or recycled. In addition, the processing speed of the device is very high, and the two volumes are 800m3The wastewater treatment capacity of the vertical flow sedimentation tank can reach 1500m3/h。
Wherein, see fig. 2 and 3, overflow weir 4 in the embodiment of the present invention is the annular coaxial with barrel 1, the top of barrel 1 is the serration structure (clear liquid gets into overflow weir 4 from the serration structure), the quantity of inlet pipe 7 is 1-4 (respectively be connected with the flocculation basin through a pipeline of taking the delivery pump), many inlet pipes 7 (if have) set up side by side from top to bottom (partially open as required or whole), barrel 1 top is radially equipped with polylith backup pad 8 (the level sets up along it, specifically be the steel sheet, be equipped with anti-skidding arch on it), whirl groove 5 is fixed in polylith backup pad 8's intersection (barrel 1's center department), the both sides of backup pad 8 are equipped with rail 9 (vertical setting) and form the passageway in order to prevent that the workman from falling to barrel 1.
Specifically, the diameter of the cyclone groove 5 in the embodiment of the present invention is 1/8-1/4 of the diameter of the cylinder 1, the diameter of the cyclone tube 6 is 1/3-3/5 of the diameter of the cyclone groove 5, the height of the conical bottom is 2/5-11/20 of the height of the cylinder 1, and the length of the cyclone tube 6 extending into the liquid level is 1/3-7/15 of the height of the cylinder 1. The height of the cylinder body 1 is 12-25m, and the diameter is 6-10 m. The distance between the upper end of the cyclone tube 6 and the bottom of the cyclone groove 5 is 0.25-0.45 m. The total flow of the feed pipe 7 is smaller than the flow of the cyclone tube 6.
More specifically, the cylinder 1 has a diameter of 8m and a height of 15 m. The height of the conical bottom is 7m, and the cone angle is about 60 degrees. The swirl groove 5 had a diameter of 1.5m and a height of 1.5 m. The diameter of the cyclone tube is 0.76m, the length of the cyclone tube extending into the liquid level is 6m, and the distance between the upper end of the cyclone tube and the bottom of the cyclone groove is 0.4 m. The number of feed pipes 7 was 3, the diameter of which was 0.16 m.
Wherein, "first", "second" and "second" in the embodiment of the present invention only play a distinguishing role, and have no other special meaning. Wherein, the pipeline in this embodiment is provided with a pump, a valve and/or a flowmeter and the like according to actual needs.
Example 2
Referring to fig. 1 to 4, embodiment 2 provides a method for recycling stone wastewater and by-producing building raw materials, comprising:
(1) and (3) separating stones: stone wastewater in a stone processing workshop is collected, and large-particle-size stones are separated by adopting a grid and then sent to a sedimentation tank.
(2) Fine sand separation: sending the sediment at the bottom of the sedimentation tank to a cyclone separator for separation, and sending the supernatant (which can adopt an overflow mode) of the sedimentation tank to a flocculation tank; the water output from the upper part of the cyclone separator is sent to the flocculation tank, and the slurry output from the lower part of the cyclone separator is sent to the vibrating screen. Coarse materials obtained by the separation of the vibrating screen can be used as building sand, and fine materials obtained by the separation and water are sent to a flocculation tank.
(3) Flocculation: PAC is added into the flocculation tank, and the dosage of the PAC is 50-500g/m3And (4) waste water.
(4) Vertical flow sedimentation: sending the sediment at the bottom of the flocculation tank to a vertical flow sedimentation tank for separation; clear water output by an overflow weir 4 at the top of the vertical flow sedimentation tank is sent to a clear water tank, and sediment output by a sediment outlet 3 at the bottom of the vertical flow sedimentation tank is sent to a filter press. The method adopts a specific vertical flow sedimentation tank for separation, and the solid content of the separated clear water is less than 2 percent and the separation speed is high.
(5) And (3) filter pressing: and (3) carrying out filter pressing by using a filter press, sending the obtained filtrate to a clean water tank, using the obtained filter residue as a brick making raw material, and sending the recovered liquid in the clean water tank to a stone processing workshop for recycling.
Wherein, in the step (1), the grid interval of the grid is 8-12mm, in particular 10 mm. In the step (2), the vibrating screen is positioned right below the cyclone separator, and the aperture of the screen mesh of the vibrating screen is 0.7-2.0mm, specifically 1 mm.
Preferably, in step (3), the amount of PAC is 100-3And (5) dissolving the wastewater, PAC in clear water or the filtrate obtained in the step (5), and then sending the wastewater and PAC into a flocculation tank.
Wherein, in the step (5), the filtrate with the solid content of less than 2 percent is obtained by pressure filtration.
Wherein, the utility model discloses it is realThe stone waste water in the embodiment is granite processing waste water, and the consumption of cooling water in the stone processing process is 1m3/60-120m2Cutting the surface.
Specifically, the utility model provides a method of stone material waste water cyclic utilization byproduct building raw materials includes:
(1) and (3) separating stones: collecting stone waste water in a stone processing workshop, separating stones with large particle sizes by using a grating, and then sending the stones to a sedimentation tank, wherein the stone waste water is granite processing waste water, and the distance between the gratings of the grating is 8-12 mm.
(2) Fine sand separation: sending the sediment at the bottom of the sedimentation tank to a cyclone separator for separation, and sending the supernatant of the sedimentation tank to a flocculation tank; the water output from the upper part of the cyclone separator is sent to a flocculation tank, and the slurry output from the lower part of the cyclone separator is sent to a vibrating screen; coarse materials obtained by the separation of the vibrating screen can be used as building sand, and fine materials obtained by the separation and water are sent to a flocculation tank; the aperture of the screen mesh of the vibrating screen is 0.7-2.0 mm.
(3) Flocculation: PAC is added into the flocculation tank, and the dosage of the PAC is 100-200g/m3And (4) waste water.
(4) Vertical flow sedimentation: sending the sediment at the bottom of the flocculation tank to a vertical flow sedimentation tank for separation; clear water output by an overflow weir 4 at the top of the vertical flow sedimentation tank is sent to a clear water tank, and sediment output by a sediment outlet 3 at the bottom of the vertical flow sedimentation tank is sent to a filter press for filter pressing.
(5) And (3) filter pressing: and (3) carrying out filter pressing by a filter press to obtain filtrate with the solid content of less than 2%, sending the filtrate to a clean water tank, using filter residues obtained by filter pressing as a brick making raw material, and sending the recovered liquid in the clean water tank to a stone processing workshop for recycling.
Further, the brick is prepared from the following raw materials in parts by weight: and (3) recovering 55-60 parts of filter residue, 7-15 parts of cement, 22-28 parts of stone powder and 3-10 parts of water, wherein the recovered filter residue is the filter residue in the step (5), the stone powder is selected from waste materials of a stone processing workshop, fine sand or a mixture thereof obtained in the step (2) and the like, the water is selected from clear water or recovered liquid obtained in the step (5) and the like, and the particle size of the waste materials is less than 10 mm. The detection shows that the prepared brick meets the national brick standard.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A stone wastewater recycling system is characterized by comprising a wastewater collecting tank, a settling tank, a flocculation tank, a cyclone separator, a vibrating screen, a vertical flow settling tank, a buffer tank, a clean water tank and a filter press, wherein a grid is arranged in the wastewater collecting tank, and the bottom of the settling tank is connected with a feed inlet of the cyclone separator through a pipeline with a first conveying pump; the cyclone separator is positioned right above the vibrating screen, a discharge hole at the bottom of the cyclone separator is output to the vibrating screen, and a water outlet at the upper part of the cyclone separator is connected with the flocculation tank through a pipeline; a water receiving tank is arranged right below the vibrating screen and used for receiving fine materials and water output from the vibrating screen, the water receiving tank is connected with the flocculation tank, and a fine sand output belt is arranged between a coarse material outlet of the vibrating screen and a fine sand storage yard; the clear liquid outlet of the sedimentation tank is connected with a flocculation tank, and the bottom of the flocculation tank is connected with a feeding pipe (7) of the vertical flow sedimentation tank through a pipeline with a second delivery pump; an overflow weir (4) at the top of the vertical flow sedimentation tank is connected with a clean water tank through a pipeline, and a sediment outlet (3) at the bottom of the vertical flow sedimentation tank is connected with a buffer tank through a pipeline with a valve; the buffer tank is connected with the filter press through a pipeline with a pressure filter pump; and a filtrate outlet of the filter press is connected with a clean water tank.
2. The stone wastewater recycling system of claim 1, wherein the grid pitch of the grid is 8-12mm, and the mesh diameter of the vibrating screen is 0.7-2.0 mm.
3. The stone wastewater recycling system of claim 1, wherein the clean water tank is located below the overflow weir and below the filter press, and the buffer tank is provided with a stirrer.
4. The stone wastewater recycling system according to claim 1, wherein the number of the vertical sedimentation tanks is two, and each vertical sedimentation tank is connected with the flocculation tank through 1-4 pipelines with a delivery pump; the number of the filter presses is two; the two filter presses are arranged side by side, feed inlets of the two filter presses are connected with the buffer tank through pipelines with pressure filter pumps, filtrate outlets of the two filter presses are communicated with the clean water tank through ditches, and the two filter presses share one slag discharge groove.
5. The stone wastewater recycling system according to claim 1, further comprising at least one PAC dissolving tank, wherein the PAC dissolving tank is connected to the flocculation tank and has a valve therebetween, and the PAC dissolving tank is higher than the flocculation tank and has a stirrer therein.
6. The stone wastewater recycling system according to claim 5, wherein the sedimentation tank is disposed at the front side of the flocculation tank, the PAC dissolution tanks are disposed at the rear side of the flocculation tank, the number of the PAC dissolution tanks is 1-4, the PAC dissolution tanks are arranged side by side from left to right, the vibrating screen is disposed at the left side or the right side of the flocculation tank, the water receiving tank is connected with the flocculation tank through a pipeline, and the second transfer pump is disposed at the middle part of the flocculation tank.
7. The stone waste water recycling system according to claim 1, wherein the residue discharge tank of the filter press is provided with a residue discharge belt, the other end of the residue discharge belt is connected to the raw material tank of the brick making machine, the clean water tank is connected to the raw material tank of the brick making machine through a pipeline with a third transfer pump, and a raw material transfer belt is arranged between the fine sand storage yard and the raw material tank of the brick making machine.
8. The stone wastewater recycling system of claim 1, wherein the vertical sedimentation tank comprises a vertically arranged and cylindrical barrel (1), a plurality of support legs (2) for supporting the barrel (1), a sediment outlet (3) at the bottom of the barrel (1), an overflow weir (4) at the outer edge of the top of the barrel (1), a cyclone groove (5) at the center of the top of the barrel (1), a cyclone pipe (6) at the bottom of the cyclone groove (5) and a feeding pipe (7) on the cyclone groove (5), the bottom of the cylinder body (1) is a conical bottom, the rotary chute (5) is a circular chute, the cyclone tube (6) is a circular tube, the cyclone groove (5) and the cyclone tube (6) are coaxial with the cylinder body (1), the rotary chute (5) is positioned above the liquid level in the barrel (1), and the feeding pipe (7) is tangent to the side wall of the bottom of the rotary chute (5); the upper end of the cyclone tube (6) upwards extends into the cyclone groove (5) and is higher than the feeding tube (7), and the lower end of the cyclone tube extends to the lower part of the barrel body (1) and is positioned above the conical bottom.
9. The stone wastewater recycling system according to claim 8, wherein the overflow weir (4) is an annular groove coaxial with the cylinder (1), the top of the cylinder (1) is a zigzag structure, the number of the feeding pipes (7) is 1-4, the feeding pipes (7) are arranged side by side up and down, a plurality of supporting plates (8) are arranged at the top of the cylinder (1) along the radial direction of the cylinder, the swirling groove (5) is fixed at the intersection of the supporting plates (8), and fences (9) are arranged at two sides of the supporting plates (8) to form a passageway.
10. The stone wastewater recycling system of claim 9, wherein the diameter of the cyclone tank (5) is 1/8-1/4 of the diameter of the cylinder (1), the diameter of the cyclone tube (6) is 1/3-3/5 of the diameter of the cyclone tank (5), the height of the conical bottom is 2/5-11/20 of the height of the cylinder (1), and the length of the cyclone tube (6) extending into the liquid level is 1/3-7/15 of the height of the cylinder (1); the height of the cylinder body (1) is 12-25m, and the diameter of the cylinder body is 6-10 m; the distance between the upper end of the cyclone tube (6) and the bottom of the cyclone groove (5) is 0.25-0.45 m; the total flow of the feeding pipe (7) is less than that of the cyclone pipe (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021822434.7U CN212982681U (en) | 2020-08-27 | 2020-08-27 | Stone material waste water cyclic utilization system |
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| CN202021822434.7U CN212982681U (en) | 2020-08-27 | 2020-08-27 | Stone material waste water cyclic utilization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847731A (en) * | 2020-08-27 | 2020-10-30 | 湖北磊雅鑫盛石业有限公司 | Method for recycling stone wastewater and by-producing building raw materials |
| CN111847730A (en) * | 2020-08-27 | 2020-10-30 | 湖北磊雅鑫盛石业有限公司 | Stone material waste water cyclic utilization system |
-
2020
- 2020-08-27 CN CN202021822434.7U patent/CN212982681U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111847731A (en) * | 2020-08-27 | 2020-10-30 | 湖北磊雅鑫盛石业有限公司 | Method for recycling stone wastewater and by-producing building raw materials |
| CN111847730A (en) * | 2020-08-27 | 2020-10-30 | 湖北磊雅鑫盛石业有限公司 | Stone material waste water cyclic utilization system |
| CN111847730B (en) * | 2020-08-27 | 2024-09-24 | 湖北磊雅鑫盛石业有限公司 | Stone material waste water cyclic utilization system |
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