CN213202475U - Efficient treatment device for stone wastewater - Google Patents

Efficient treatment device for stone wastewater Download PDF

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Publication number
CN213202475U
CN213202475U CN202021821312.6U CN202021821312U CN213202475U CN 213202475 U CN213202475 U CN 213202475U CN 202021821312 U CN202021821312 U CN 202021821312U CN 213202475 U CN213202475 U CN 213202475U
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tank
cyclone
barrel
groove
vertical flow
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毛谷平
杜常宝
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Hubei Leiya Xinsheng Stone Industry Co Ltd
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Hubei Leiya Xinsheng Stone Industry Co Ltd
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Abstract

The utility model discloses a high-efficient processing apparatus of stone material waste water belongs to stone material waste water technical field. The device comprises a sedimentation tank, a filter press, a clean water tank, a flocculation tank, a vertical flow sedimentation tank and a buffer tank, wherein a filtrate outlet of the filter press is connected with the clean water tank; the bottom of the flocculation tank is connected with a feeding pipe of the vertical flow sedimentation tank through a pipeline with a delivery pump; the overflow weir of the vertical flow sedimentation tank is connected with the clean water tank through a pipeline, and the sediment outlet 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; the vertical flow sedimentation tank comprises a vertically arranged cylindrical barrel, a plurality of supporting legs for supporting the barrel, a sediment outlet at the bottom of the barrel, an overflow weir at the outer edge of the top of the barrel, a swirl tank at the center of the top of the barrel, a swirl pipe at the bottom of the swirl tank and a feeding pipe on the swirl tank. Can promote the processing speed of stone material waste water, the waste water after the processing can be arranged outward or recycle, recycles the demand that can satisfy the cooling water of stone material, labour saving and time saving.

Description

Efficient treatment device for stone wastewater
Technical Field
The utility model belongs to the technical field of the stone material processing, in particular to high-efficient processing apparatus of stone material waste water.
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, the stone wastewater is discharged or recycled after being settled for many times. In the prior art, large-particle stone powder is usually removed from stone wastewater through sedimentation, small-particle stone powder is settled through flocculation (sediment is cleaned regularly and can be discharged by a sludge pump or treated by solid waste after solid-liquid separation), clear water with low solid content is obtained by pressure filtration of supernatant liquid through a pressure filter, and the treated clear water is discharged or reused. However, the filter press has a very slow filter press speed, and cannot treat a large amount of wastewater, and particularly when wastewater is recycled, the wastewater treatment speed cannot keep up with the demand (it is not realistic to use a large number of filter presses (in consideration of labor, floor space, cost, etc.)).
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a high-efficient processing apparatus of stone material waste water can promote the processing speed of stone material waste water, and the waste water after handling can arrange outward or recycle, can satisfy the demand of the cooling water of stone material when recycling, and labour saving and time saving. The technical scheme is as follows:
the embodiment of the utility model provides a stone waste water high-efficiency treatment device, which comprises a sedimentation tank, a filter press, a clean water tank, a flocculation tank communicated with the sedimentation tank, a vertical flow sedimentation tank and a buffer tank, wherein the filtrate outlet of the filter press is connected with the clean water tank through a pipeline or a ditch; the bottom of the flocculation tank is connected with a feed pipe 7 of the vertical flow sedimentation tank through a pipeline with a delivery pump; the overflow weir 4 of the vertical flow sedimentation tank is connected with the clean water tank through a pipeline, and the sediment outlet 3 of the vertical flow sedimentation tank is connected with the buffer tank through a pipeline with a valve; the buffer tank is connected with a feed inlet of the filter press through a pipeline with a pressure filter pump; the vertical flow sedimentation tank 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 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 feed pipe 7 on the cyclone groove 5, wherein the bottom of the barrel 1 is a conical bottom, the cyclone groove 5 is a circular groove, the cyclone pipe 6 is a circular pipe, the cyclone groove 5 and the cyclone pipe 6 are coaxial with the barrel 1, the cyclone groove 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 groove 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 delivery pump in the embodiment of the utility model provides an is vacuum centrifugal pump.
Wherein, the embodiment of the utility model provides an in the clean water basin be located the below of overflow weir 4 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.
Preferably, the top of the buffer pool in the embodiment of the present invention is communicated with the flocculation pool through a downward inclined pipeline.
Further, the embodiment of the utility model provides a high-efficient processing apparatus of stone material waste water 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 one side of flocculation basin is located to the sedimentation tank, the opposite side of flocculation basin is located to the PAC dissolving tank, the quantity of PAC dissolving tank is 1-4, and a plurality of PAC dissolving tanks set up side by side, the middle part of flocculation basin is located to the delivery pump.
Further, the embodiment of the utility model provides an in the filtrating export of pressure filter pass through the irrigation canals and ditches and be connected with the clean water basin, be equipped with a irrigation canals and ditches and first gate valve along the output direction of filtrating on the irrigation canals and ditches between pressure filter and the clean water basin in proper order, the other end and the PAC dissolving tank or the flocculation basin of a irrigation canals and ditches are connected and are equipped with the second gate valve on it.
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 high-efficient processing apparatus of stone material waste water can promote the processing speed of stone material waste water, and the waste water after handling can arrange outward or recycle (can fall solid content to below 2%), can satisfy the demand of the cooling water of stone material when recycling, and labour saving and time saving (only need 1-3 workman clear up the filter residue of pressure filter and wash the filter cloth can usually).
Drawings
FIG. 1 is a schematic block diagram of an apparatus for efficiently treating stone wastewater according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a vertical flow sedimentation tank provided by an embodiment of the present invention;
fig. 3 is a top view of a vertical flow settling tank provided by 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.
Referring to fig. 1-3, the embodiment of the utility model provides a high-efficient processing apparatus of stone material waste water, the device include sedimentation tank, pressure filter, clean water basin, with the flocculation basin of sedimentation tank intercommunication (the clear liquid overflow of sedimentation tank to flocculation basin usually, the upper portion and the flocculation basin intercommunication of sedimentation tank promptly), vertical sedimentation tank and buffer pool etc. the structure in sedimentation tank, flocculation basin and clean water basin is unanimous with prior art, the pressure filter is the plate frame pressure filter, the filtrating export of pressure filter passes through pipeline or irrigation canals and ditches etc. and is connected with the clean water basin. The buffer tank is used for storing the sediments separated from the vertical flow sedimentation tank and conveying the sediments to the filter press. The bottom of the flocculation tank is connected with a feed pipe 7 of the vertical flow sedimentation tank through a pipeline with a delivery pump and is used for conveying 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 (for delivering supernatant) of the vertical sedimentation basin is connected to the clean water basin by a pipeline, and the sediment outlet 3 thereof is connected to the buffer basin by a pipeline with a valve (for delivering sediment, which is opened when the sediment reaches a certain level, for example, to half the height of the conical bottom). The buffer tank is connected with the feed inlet of the filter press through a pipeline with a pressure filter pump so as to filter-press the sediment, and after the sediment is treated by the vertical flow sedimentation tank, the solid content of the sediment is high, the treatment capacity is small, and only a small amount of filter press treatment is needed.
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 (located in the lower portion of the barrel 1, the plurality of support legs 2 are uniformly distributed and vertically arranged), 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, 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. It is composed ofIn, 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 water is in the rising process, the solid is precipitated downwards to the conical bottom due to the self weight, and the clear water is discharged to the top of the barrel 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, 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 dissolves the pond and is used for dissolving the PAC, PAC dissolves pond and flocculation basin intercommunication and be equipped with the valve between and be used for sending it to the flocculation basin after the PAC dissolves, and PAC dissolves the pond than the 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 one side of flocculation basin is located to the sedimentation tank (sedimentation tank sets up side by side with the flocculation basin), and the opposite side of flocculation basin (the subaerial on one side of flocculation basin) is located to the PAC dissolving tank, and the quantity of PAC dissolving tank is 1-4, and a plurality of PAC dissolving tanks set up side by side, and the middle part of flocculation basin is located to the 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.
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" 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.
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 high-efficiency treatment device for stone wastewater comprises a sedimentation tank, a filter press, a clean water tank and a flocculation tank communicated with the sedimentation tank, wherein a filtrate outlet of the filter press is connected with the clean water tank through a pipeline or a ditch; the device is characterized by also comprising a vertical flow sedimentation tank and a buffer tank, wherein the bottom of the flocculation tank is connected with a feed pipe (7) of the vertical flow sedimentation tank through a pipeline with a delivery pump; the overflow weir (4) of the vertical flow sedimentation tank is connected with the clean water tank through a pipeline, and the sediment outlet (3) of the vertical flow sedimentation tank is connected with the buffer tank through a pipeline with a valve; the buffer tank is connected with a feed inlet of the filter press through a pipeline with a pressure filter pump;
the vertical flow sedimentation tank 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 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), wherein the bottom of the barrel (1) is a conical bottom, the cyclone groove (5) is a circular groove, the cyclone pipe (6) is a circular pipe, the cyclone groove (5) and the cyclone pipe (6) are coaxial with the barrel (1), the cyclone groove (5) is positioned above the liquid level in the barrel (1), and the feeding pipe (7) is tangent to the side wall at the bottom of the cyclone groove (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.
2. The efficient stone wastewater treatment device according to claim 1, wherein the delivery pump is a vacuum centrifugal pump.
3. The apparatus for high efficiency treatment of stone wastewater as claimed in claim 1, wherein the clean water tank is located below the overflow weir (4) and below the filter press, and the buffer tank is provided with a stirrer.
4. The stone wastewater high-efficiency treatment device as claimed in claim 1, wherein the number of the vertical flow sedimentation tanks 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.
5. The efficient stone wastewater treatment device according to claim 1, wherein the top of the buffer tank is communicated with the flocculation tank through a downward inclined pipeline.
6. The apparatus for efficiently treating stone wastewater as claimed in claim 1, further comprising at least one PAC dissolution tank, wherein the PAC dissolution tank is communicated with the flocculation tank and provided with a valve therebetween, and the PAC dissolution tank is higher than the flocculation tank and provided with a stirrer therein.
7. The apparatus of claim 6, wherein the settling tank is disposed at one side of the flocculation tank, the PAC dissolution tanks are disposed at the other side of the flocculation tank, the number of the PAC dissolution tanks is 1-4, the PAC dissolution tanks are disposed side by side, and the delivery pump is disposed at the middle of the flocculation tank.
8. The apparatus of claim 6, wherein the filtrate outlet of the filter press is connected to the clean water tank through a ditch, a branch ditch and a first gate valve are sequentially disposed on the ditch between the filter press and the clean water tank along the output direction of the filtrate, the other end of the branch ditch is connected to the PAC dissolution tank or the flocculation tank, and a second gate valve is disposed thereon.
9. The efficient stone wastewater treatment device according to claim 4, wherein the overflow weir (4) is an annular groove coaxial with the cylinder body (1), the top of the cylinder body (1) is of a zigzag structure, the number of the feeding pipes (7) is 1-4, the feeding pipes (7) are arranged side by side from top to bottom, a plurality of supporting plates (8) are arranged at the top of the cylinder body (1) along the radial direction of the cylinder body, the swirling groove (5) is fixed at the intersection of the supporting plates (8), and fences (9) are arranged on two sides of the supporting plates (8) to form a passageway.
10. The stone wastewater high-efficiency treatment device according to claim 1, wherein the diameter of the cyclone (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 (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).
CN202021821312.6U 2020-08-27 2020-08-27 Efficient treatment device for stone wastewater Active CN213202475U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN114870468A (en) * 2022-07-11 2022-08-09 山东泗水山岭石材厂 Stone material cutting cooling water treatment facilities

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN114870468A (en) * 2022-07-11 2022-08-09 山东泗水山岭石材厂 Stone material cutting cooling water treatment facilities

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