CN114163022A - Novel get rid of mine water hardness device - Google Patents
Novel get rid of mine water hardness device Download PDFInfo
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- CN114163022A CN114163022A CN202111477994.2A CN202111477994A CN114163022A CN 114163022 A CN114163022 A CN 114163022A CN 202111477994 A CN202111477994 A CN 202111477994A CN 114163022 A CN114163022 A CN 114163022A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 271
- 238000006243 chemical reaction Methods 0.000 claims abstract description 72
- 238000009826 distribution Methods 0.000 claims abstract description 69
- 239000002245 particle Substances 0.000 claims abstract description 26
- 238000004062 sedimentation Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 239000003814 drug Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 19
- 238000007790 scraping Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 12
- 239000007787 solid Substances 0.000 abstract description 6
- 239000013078 crystal Substances 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000012267 brine Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a novel device for removing mine water hardness, which comprises a water distribution area, a reaction area, a separation area, a clear water area and a reflux assembly, wherein the reaction area is arranged on the bottom of the reaction area; the water distribution area is arranged at the bottom end of the device shell; the reaction zone is arranged between the water distribution component and the device shell; the bottom end of the reaction zone is communicated with a grain discharging component; the separation zone is arranged at the top end of the reaction zone and is used for separating large-particle substances generated by the reaction, and an inclined plate sedimentation tank is arranged at the top end of the separation zone; the clear water area is arranged at the top end of the inclined plate sedimentation tank, and the bottom end of the clear water area is provided with an acid adding pump; the backflow component is arranged on the outer wall of the device shell, and two ends of the backflow component are respectively communicated with the reaction zone and the water distribution component. The mine water hardness removal device has the advantages of simple and compact structure, small ground area, small medicine adding amount, stable effluent water quality, high treatment efficiency, better mine water hardness removal effect, better treated water quality and more convenience for reuse, and the hardness of mine water and a small amount of solid suspended matters in mine water can be taken out.
Description
Technical Field
The invention relates to the technical field of environmental engineering, in particular to a novel device for removing mine water hardness.
Background
Coal resources and water resource distribution areas in China are uneven, direct discharge of mine water wastes water resources and causes pollution to surface water and ground environment, and therefore comprehensive utilization of mine water is greatly promoted in China in recent years. The mine water is recycled, namely, the mine water is purified by a certain technical means, and the treated water is used for mining area production, life and other purposes, so that the problem of shortage of production water and domestic water in the mining area in China can be solved, underground water resources can be saved, and the sustainable development of the coal industry and the mining area economy is facilitated. Aiming at the water demand and discharge limitation of large coal bases, the method carries out advanced treatment, concentration, crystallization and salt separation on the mine water, and realizes zero discharge of the mine water is a practical choice.
At present, the research on zero discharge of wastewater mainly focuses on the fields of coal chemical wastewater, desulfurization wastewater and the like, the research on zero discharge of mine water mainly focuses on the aspects of underground treatment and utilization of clean mine water and mine water containing suspended matters, and ground zero discharge of the mine water is realized by reducing well lifting. The strong brine contains a large amount of colloid, suspended matters and a large amount of ions easy to scale, and common scale components are as follows: calcium carbonate, calcium sulfate, magnesium salts, silicates, etc., can seriously affect the proper operation of the membrane system and require proper pretreatment techniques. The traditional pretreatment of the strong brine comprises flocculation, precipitation, multi-medium filtration, activated carbon filtration, microfiltration, ultrafiltration and other pretreatment methods. The pretreated strong brine can achieve the effects of preventing scaling, colloid pollution, microbial pollution, organic matter pollution, membrane deterioration and the like. However, the traditional pretreatment technology has the problems of low operation efficiency, high energy consumption and easy secondary pollution, and simultaneously, the equipment occupies a large area and cannot meet the installation requirement of a narrow space. There is a need for a device for removing mine water hardness that has a small footprint and a high processing speed.
Disclosure of Invention
The invention aims to provide a novel device for removing mine water hardness, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a novel device for removing mine water hardness, which comprises
The water distribution area is arranged at the bottom end of the device shell; the water distribution area comprises a water distribution component arranged in the device shell, and the water distribution component extends out of the device shell;
the reaction zone is arranged between the water distribution assembly and the device shell and is used for mixing and reacting mine water and a medicament; the bottom end of the reaction zone is communicated with a grain discharging assembly;
the separation area is arranged at the top end of the reaction area and is used for separating large-particle substances generated by the reaction; the top end of the separation area is provided with an inclined plate sedimentation tank; an acid adding pump is arranged at the top end of the inclined plate sedimentation tank;
the clear water area is arranged at the top end of the inclined plate sedimentation tank and is used for discharging the treated clear water;
and the backflow component is arranged on the outer wall of the device shell, and two ends of the backflow component are respectively communicated with the reaction zone and the water distribution component.
Preferably, the water distribution assembly comprises a water distribution pipe arranged in the device shell, the bottom of the water distribution pipe is communicated with a water inlet pipe, and the water inlet pipe extends out of the device shell; a first dosing pump is arranged on the water distribution pipe; and a liquid shed is fixedly connected to the top end of the water distribution pipe.
Preferably, arrange a grain subassembly including the intercommunication arrange a grain pipe in device shell bottom, arrange a grain pipe with be provided with electronic auger in the perpendicular pipe end in device shell bottom.
Preferably, the inclined plate sedimentation tank comprises two filter plates which are arranged in parallel, and the edges of the two filter plates are fixedly arranged with the inner wall of the device shell; an inclined filtering layer and a guide plate are arranged between the two filtering plates from bottom to top; and a cleaning assembly is arranged below the filter plate at the lower end and is in sliding contact with the filter plate at the lower end.
Preferably, the inclined filter layer comprises a plurality of inclined filter plates which are arranged in an inclined mode, and the inclined filter plates and the bottom surface of the guide plate are arranged at an angle; the center of the guide plate is provided with a through hole.
Preferably, the sweeping assembly comprises a scraping brush arranged at the lower end of the filter plate at the lower end, and the scraping brush is in sliding contact with the filter plate at the lower end; one end of the scraping brush, which is close to the center of the filter plate, is vertically and fixedly connected with a transmission shaft, and the transmission shaft penetrates through the filter plate at the lower end and is rotationally connected with the filter plate; the top end of the transmission shaft extends into the through hole and is fixedly connected with an impeller, and the impeller is rotatably connected with the through hole.
Preferably, the clean water area comprises a clean water cap fixedly mounted at the top end of the device shell, and the bottom end of the clean water cap is fixedly mounted with the outer wall of the device shell; the bottom end of the clear water cap is lower than the top end of the device shell; a clear water channel is formed between the clear water cap and the device shell; the bottom end of the clear water channel is communicated with a clear water pipe.
Preferably, the bottom end of the clear water channel is obliquely arranged, and the clear water pipe is communicated with the lowest point of the clear water channel.
Preferably, the backflow component comprises a backflow pipe, an outlet of the backflow pipe is communicated with an inner cavity of the water distribution pipe, and the height of the outlet of the backflow pipe is higher than that of the water inlet pipe; the inlet of the return pipe is communicated with the top end of the reaction zone, and the inlet position of the return pipe is not lower than the top end of the water distribution pipe; the backflow pipe is provided with a dosing assembly, and the backflow pipe is provided with a backflow pump.
Preferably, the dosing assembly comprises a second dosing pump, and an outlet of the second dosing pump is communicated with the return pipe; and the reflux pipe is also provided with a reflux valve, and the reflux valve is linked with the second dosing pump.
The invention discloses the following technical effects: the invention discloses a novel device for removing mine water hardness, wherein mine water and medicines are introduced through a water distribution area, the mine water and the medicines are uniformly mixed in the water distribution area and then enter a reaction area, and generated crystal precipitates are discharged by a grain discharge component; filtering the reacted mine water through an inclined plate sedimentation tank, adjusting the pH value through an acid adding pump, neutralizing, and then discharging the mine water in a clear water area; the water in the reaction zone is repeatedly refluxed and added with the chemicals through the reflux assembly, so that the reaction water in the reaction is further reacted, the reaction residue is reduced, and the water purification effect is improved. The mine water hardness removal device has the advantages of simple and compact structure, small ground area, small medicine adding amount, stable effluent water quality, high treatment efficiency, better mine water hardness removal effect, better treated water quality and more convenience for reuse, and the hardness of mine water and a small amount of solid suspended matters in mine water can be taken out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of the novel device for removing mine water hardness;
FIG. 2 is a schematic diagram of the novel apparatus for removing mine water hardness in accordance with the present invention;
FIG. 3 is a schematic structural view of a sloping plate sedimentation tank according to the present invention;
wherein, 1, the device shell; 2. a water distribution area; 3. a reaction zone; 4. a separation zone; 5. a sloping plate sedimentation tank; 6. a clear water zone; 7. adding an acid pump; 8. a reflow assembly; 21. a water distribution pipe; 22. a water inlet pipe; 23. a first dosing pump; 24. a liquid shed; 25. a water inlet valve; 26. a dosing valve; 31. a grain discharging pipe; 32. an electric auger; 33. a pellet discharge valve; 51. a filter plate; 52. an inclined filtering layer; 53. a baffle; 54. a through hole; 55. scraping and brushing; 56. a drive shaft; 57. an impeller; 61. a clear water cap; 62. a clear water channel; 63. a clear water pipe; 64. a clean water valve; 65. a pH sensor; 81. a return pipe; 82. a second dosing pump; 83. a reflux valve; 84. a reflux pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-3, the present invention provides a novel apparatus for removing hardness from mine water, comprising
The water distribution area 2 is arranged at the bottom end of the device shell 1; the water distribution area 2 comprises a water distribution component arranged in the device shell 1, and the water distribution component extends out of the device shell 1;
the reaction zone 3 is arranged between the water distribution component and the device shell 1, and the reaction zone 3 is used for mixing reaction of mine water and a medicament; the bottom end of the reaction zone 3 is communicated with a grain discharging component;
the separation zone 4 is arranged at the top end of the reaction zone 3 and is used for separating large-particle substances generated by the reaction; the top end of the separation area 4 is provided with an inclined plate sedimentation tank 5;
the clear water area 6 is arranged at the top end of the inclined plate sedimentation tank 5 and used for discharging the treated clear water; the bottom end of the clear water area 6 is provided with an acid adding pump 7;
the backflow component 8 is arranged on the outer wall of the device shell 1, and two ends of the backflow component 8 are respectively communicated with the reaction zone 3 and the water distribution component.
The novel device for removing mine water hardness disclosed by the invention is characterized in that mine water and medicines are introduced through the water distribution area 2, the mine water and the medicines are uniformly mixed in the water distribution area 2 and then enter the reaction area 3, and generated crystal precipitates are discharged by the particle discharging component; the mine water after reaction is filtered by an inclined plate sedimentation tank 5, neutralized by adjusting the pH value by an acid adding pump 7, and then enters a clear water zone 6 to be discharged; the water in the reaction zone 3 is repeatedly added with chemicals through the reflux assembly 8, so that the reaction water in the reaction is further reacted, the reaction residue is reduced, and the water purification effect is improved.
In a further optimized scheme, the water distribution assembly comprises a water distribution pipe 21 arranged in the device shell 1, the bottom of the water distribution pipe 21 is communicated with a water inlet pipe 22, and the water inlet pipe 22 extends out of the device shell 1; a first dosing pump 23 is arranged on the water distribution pipe 21; the top end of the water distribution pipe 21 is fixedly connected with a liquid shed 24. Mine water enters the water distribution pipe 21 through the water inlet pipe 22, the first chemical adding pump 23 adds a chemical into the water inlet pipe 22, the mine water and the chemical gradually fill the water distribution pipe 21 after entering the water distribution pipe 21, and finally flow out of the top end of the water distribution pipe 21 and enter the reaction zone 3; the water inlet pipe 22 is used for feeding water from the bottom end of the water distribution pipe 21 and discharging water from the top end of the water distribution pipe 21, and the water is gradually and uniformly mixed with the added medicament in the process of rising from the lower end and finally enters the reaction zone 3 for reaction; meanwhile, the water inlet pipe 22 is communicated with the side wall of the lower end of the water distribution pipe 21, and the mine water entering the water distribution pipe 21 has certain impact force, so that the entering water flow finally rotates along the inner wall of the water distribution pipe 21, and the mixing effect is improved; the liquid shed 24 is used for preventing the particles filtered from the bottom end of the inclined plate sedimentation tank 5 and the suspended particles in the water from falling into the water distribution pipe 21 to cause the particles in the water distribution pipe 21 to precipitate and accumulate; meanwhile, the liquid shed 24 changes the flow direction of the water flowing out of the water distribution pipe 21, so that the water is scattered all around and cannot directly enter the inclined plate sedimentation tank 5.
Further, the first medicine adding pump 23 adds NaOH and Na as the medicines2CO3Is a common alkaline additive and is commonly used for sewage treatment; this is the prior art and will not be described in detail.
Further, the apparatus comprises a control means (not shown) for controlling the on/off and speed of the first dosing pump 23 and the water inlet pump (not shown); a dosing valve 26 is arranged at the outlet of the first dosing pump 23, a water inlet valve 25 is arranged on the water inlet pipe 22, the dosing valve 26 is linked with the first dosing pump 23, and the water inlet valve 25 is linked with the water inlet pump; when the first dosing pump 23 and the water inlet pump are started, the dosing valve 26 and the water inlet valve 25 are opened together, and the chemicals and the mine water are injected into the water distribution pipe 21; when the first medicine adding valve 26 and the water inlet valve 25 are closed, the water inlet valve 25 and the pressurizing valve are closed, and water in the water distribution pipe 21 is prevented from flowing backwards; the first dosing pump 23 and the water inlet pump are electrically connected with the control device, and the speed of introducing water into a mine and dosing can be controlled through the control device.
In a further optimized scheme, the grain discharging component comprises a grain discharging pipe 31 communicated with the bottom of the device shell 1, and an electric auger 32 is arranged in a pipe end of the grain discharging pipe 31 perpendicular to the bottom end of the device shell 1. Mine water mixed with the medicament uniformly enters a reaction zone 3, and the mine water and added NaOH and Na2CO3The reaction is carried out to generate CaCO in the reaction zone 33A crystal; produced CaCO3The crystal can be used as a seed crystal to regenerate CaCO in the later reaction3The crystal seeds can be attached to the surface of the crystal seeds, and finally the crystal seeds are precipitated to the bottom of the reaction zone 3, fall onto the bottom wall of the reaction shell and are finally discharged from the grain discharge pipe 31; an electric packing auger 32 is rotatably connected to the end, perpendicular to the reaction shell, of the grain discharge pipe 31, the electric packing auger 32 rotates to accelerate the generated grain precipitates to discharge the grain discharge pipe 31, and the grain precipitates are prevented from being accumulated at an inlet of the grain discharge pipe 31 to cause blockage of the grain discharge pipe 31.
Further, a grain discharging valve 33 is arranged on the grain discharging pipe 31, a suction pump (not shown in the figure) is arranged at the tail end of the grain discharging pipe 31, the suction pump is linked with the grain discharging valve 33 and the electric packing auger 32, and the suction pump is electrically connected with the control device. When the particle sediment needs to be discharged, the suction pump is controlled and started through the control panel, the particle discharge valve 33 is opened along with the suction pump, the electric auger 32 is also started together, and the particle sediment at the bottom end of the reaction zone 3 is discharged; when the particle discharging is not needed, the suction pump is closed, the particle discharging valve 33 is closed, and the electric packing auger 32 stops rotating, so that the substances in the reaction area 3 are prevented from leaking.
Further, in order to prevent the accumulation of the particle deposits at the bottom end of the device housing 1, the bottom end of the device housing 1 is an arc-shaped surface, the lowest point of the arc-shaped surface is located at the center position, and the particle discharge pipe 31 is communicated with the lowest point of the bottom end of the device housing 1.
In a further optimized scheme, the inclined plate sedimentation tank 5 comprises two filter plates 51 which are arranged in parallel, and the edges of the two filter plates 51 are fixedly arranged with the inner wall of the device shell 1; an inclined filtering layer 52 and a guide plate 53 are arranged between the two filtering plates 51 from bottom to top; a cleaning assembly is arranged below the lower end filter plate 51 and is in sliding contact with the lower end filter plate 51; the inclined filter layer 52 comprises a plurality of inclined filter plates which are arranged in an inclined mode, and the inclined filter plates and the bottom surface of the flow guide plate 53 are arranged at an angle; the center of the guide plate 53 is provided with a through hole 54; the cleaning assembly comprises a scraping brush 55 arranged at the lower end of the filter plate 51 at the lower end, and the scraping brush 55 is in sliding contact with the filter plate 51 at the lower end; one end of the scraping brush 55 close to the center of the filter plate 51 is vertically and fixedly connected with a transmission shaft 56, and the transmission shaft 56 penetrates through the filter plate 51 at the lower end and is rotationally connected with the filter plate 51; the top end of the transmission shaft 56 extends into the through hole 54 and is fixedly connected with an impeller 57, and the impeller 57 is rotatably connected with the through hole 54. After the reaction, the large-particle sediment of the mine water sinks to the bottom end of the device shell 1, and the small-particle suspended matters are suspended in the water and need to be filtered; when the water in the reaction zone 3 gradually rises, the water containing less sediment is primarily filtered by the filter plate 51 at the lower end at the upper part and then enters the inclined plate sedimentation tank 5, passes through the inclined filter plate arranged at an angle, passes through the through holes 54 of the guide plate 53 and finally passes through the filter plate 51 at the upper end and enters the clean water zone 6; through multi-layer filtration, the filtration effect is good, and the obtained clear water suspended solids are few; the inclined filter plates arranged at the angles increase the filtering area of water flow, improve the filtering speed and simultaneously reduce the adhesion and accumulation of particulate matters on the inclined filter plates; when rivers pass through from through hole 54, promote impeller 57 and rotate, one for the impact force that reduces rivers, make rivers more gentle, two for transmitting impeller 57's rotation through transmission shaft 56 and scraping brush 55, drive and scrape brush 55 and rotate under filter 51 of lower extreme, scrape the bottom surface of brush 55 to filter 51 and clear up, sweep the particulate matter that will bond on filter 51, prevent that the precipitate from blockking up the filter effect that filter 51 leads to and reducing.
Furthermore, the filtering plate 51 on the lower layer, the inclined filtering plate and the filtering plate 51 on the upper end gradually decrease the filtering holes, so that the filtering effect is improved.
Further, a PH sensor 65 is installed on the top end of the inclined plate sedimentation tank 5, the PH sensor 65 is electrically connected with the acid adding pump 7, the PH sensor 65 and the acid adding pump 7 are electrically connected with the control device, the PH value of the filtered clear water is detected by the PH sensor 65 and fed back to the control device, and the control device adds dilute sulfuric acid or dilute hydrochloric acid to the water to adjust the pH value of the clear water according to the detection result hole in the acid adding pump 7 until the pH value is 6-8 neutral.
According to a further optimized scheme, the clear water area 6 comprises a clear water cap 61 fixedly mounted at the top end of the device shell 1, and the bottom end of the clear water cap 61 is fixedly mounted with the outer wall of the device shell 1; the bottom end of the clear water cap 61 is lower than the top end of the device shell 1; a clear water channel 62 is formed between the clear water cap 61 and the device shell 1; the bottom end of the clear water channel 62 is communicated with a clear water pipe 63. The clear water after adjusting the pH value to the neutral range overflows from the top end of the device shell 1 to the outside and enters the clear water channel 62, and finally flows out of the clear water pipe 63 to finish the purification treatment.
In a further optimized scheme, the bottom end of the clear water channel 62 is obliquely arranged, and the clear water pipe 63 is communicated with the lowest point of the clear water channel 62. The clear water channel 62 is provided with a certain inclination, and the clear water pipe 63 is communicated with the lowest point of the clear water channel 62, so that the clear water discharge speed in the clear water channel 62 is ensured, and the clear water residue in the clear water channel 62 is prevented.
Further, a clean water valve 64 is arranged on the clean water pipe 63, and the clean water valve 64 is electrically connected with the control panel to control the discharge speed of the clean water in the clean water channel 62.
In a further optimized scheme, the backflow component 8 comprises a backflow pipe 81, an outlet of the backflow pipe 81 is communicated with an inner cavity of the water distribution pipe 21, and the height of the outlet of the backflow pipe 81 is higher than that of the water inlet pipe 22; the inlet of the return pipe 81 is communicated with the top end of the reaction zone 3, and the inlet position of the return pipe 81 is not lower than the top end of the water distribution pipe 21; the reflux pipe 81 is provided with a dosing assembly, and the reflux pipe 81 is provided with a reflux pump 84. The reflux pump 84 and the pressurizing assembly are electrically connected with the control device, the reflux pump 84 and the dosing assembly are controlled to be started every 30-60 min, mine water which is incompletely reacted is sucked from the top end of the reaction zone 3 and enters the water distribution pipe 21, secondary dosing is carried out through the dosing assembly, the mine water and the dosing assembly are uniformly mixed again and then enter the reaction zone 3 to react, and large-particle suspended matters are generated; the large suspended particles are settled by gravity and discharged through the particle discharge pipe 31.
In a further optimized scheme, the dosing assembly comprises a second dosing pump 82, and an outlet of the second dosing pump 82 is communicated with the return pipe 81; the return pipe 81 is also provided with a return valve 83, and the return valve 83 is linked with the second dosing pump 82. The second dosing pump 82 adds PAC and PAM to the incompletely reflected mine water; the return valve 83 and the second dosing pump 82 are electrically connected to the control device. The return valve 83 is linked with the return pump 84; when the reflux pump 84 is started to carry out reflux, the reflux valve 83 is started along with the reflux pump, the loop valve drives the second dosing pump 82 to start, PAC and PAM are added into the refluxed mine water, secondary reaction is carried out, the completion rate of the reaction is improved, and the purification effect of the mine water is further improved.
Further, the distance h from the outlet of the return pipe 81 to the top of the water distributor 21160cm-80cm, the vertical distance h between the outlet of the water inlet pipe 22 and the outlet of the return pipe 81240cm-50cm, the distance h between the water inlet pipe 22 and the bottom of the reaction zone 33Is 20cm-35 cm; height h of the separation zone 44Is 40cm-60 cm.
The using method comprises the following steps:
mine water enters the water distribution pipe 21 from the water inlet pipe 22, NaOH and Na are added into the device through the first dosing pump 232CO3Adjusting the pH value; the water in the water distribution pipes 21 flows into the reaction zone 3 from the top ends of the water distribution pipes 21, and CaCO is generated in the reaction zone 33A crystal; produced CaCO3The crystal can be used as a seed crystal to regenerate CaCO in the later reaction3The crystal seed can be attached to the surface of the crystal seed; CaCO3The crystal is discharged from the grain discharging pipe 31;
opening a return valve 83 every 30-60 min, and enabling the mine water which is not completely reacted to enter the reaction zone 3 again through a return pipe 81 by a return pump 84; PAC and PAM are added into the reaction zone 3 through a second dosing pump 82 externally connected with a return pipe 81, so that large-particle suspended solids are generated in the mine water; large-particle suspended matters are discharged through the particle discharge pipe 31 after being settled under the action of gravity;
the treated mine water is filtered by an inclined plate sedimentation tank 5, the pH value of the filtered water is detected by a pH sensor 65, and when the pH value is higher than 9, dilute sulfuric acid or dilute hydrochloric acid is added into a clear water zone 6 by an acid adding pump 7 to adjust the pH value of the mine water to 6-8;
when the pH value of the mine water is in a neutral range, the mine water enters the clear water area 6 and is discharged by a clear water pipe 63.
The specific embodiment is as follows:
injecting Ore water into the device from the water inlet pipe 22, adding NaOH and Na into the device by the medicine adding pump2CO3Adjusting the pH to produce CaCO in the reaction zone 33A crystal; produced CaCO3The crystal can be used as a seed crystal to regenerate CaCO in the later reaction3The crystal seed can be attached to the surface of the crystal seed; CaCO3 crystal is discharged from the grain discharge pipe 31; opening a loop valve every 60min to enable the mine water which is not completely reacted to enter the reaction zone 3 again through a return pipe 81; PAC and PAM are added into the reaction zone 3 through a second dosing pump 82 externally connected with a return pipe 81, so that large-particle suspended solids are generated in the mine water; large-particle suspended matters are discharged through the particle discharge pipe 31 after being settled under the action of gravity; the height of the reaction zone 3 is set to be 1.2m, and the distance h from the top of the reaction zone 3 to the pipe orifice of the reflux pipe 81 is set160cm, the distance h between the 81-channel orifice of the return pipe and the 22 th water inlet pipe240cm, the distance h between the water inlet pipe 22 and the bottom of the reaction zone 33Is 20 cm; the treated mine water passes through an inclined plate sedimentation tank 5, and the height h of the inclined plate sedimentation tank 5 is set4When the pH value is higher than 9, dilute hydrochloric acid is added into the device through an acid adding pipe to adjust the pH value of the mine water, wherein the pH value is 40 cm; mine water with the pH value of 6-8 enters the clear water area 6 and is discharged by the water outlet pipe.
The total hardness of the mine water before treatment is 3560mg/L, and the total hardness of the treated effluent is 45 mg/L.
The mine water hardness removal device has the advantages of simple and compact structure, small ground area, small medicine adding amount, stable effluent water quality, high treatment efficiency, better mine water hardness removal effect, better treated water quality and more convenience for reuse, and the hardness of mine water and a small amount of solid suspended matters in mine water can be taken out.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above embodiments are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a novel get rid of mine water hardness device which characterized in that: comprises that
The water distribution area (2), the water distribution area (2) is arranged at the bottom end of the device shell (1); the water distribution area (2) comprises a water distribution component arranged in the device shell (1), and the water distribution component extends out of the device shell (1);
the reaction zone (3) is arranged between the water distribution assembly and the device shell (1), and the reaction zone (3) is used for mixing reaction of mine water and a medicament; the bottom end of the reaction zone (3) is communicated with a grain discharging assembly;
a separation zone (4), wherein the separation zone (4) is arranged at the top end of the reaction zone (3) and is used for separating large-particle substances generated by the reaction; the top end of the separation area (4) is provided with an inclined plate sedimentation tank (5); an acid adding pump (7) is arranged at the top end of the inclined plate sedimentation tank (5);
the clear water area (6), the clear water area (6) is set up in the top of the said tilted plate sedimentation tank (5), the clear water used for discharging after processing;
the backflow component (8) is arranged on the outer wall of the device shell (1), and two ends of the backflow component (8) are respectively communicated with the reaction zone (3) and the water distribution component.
2. The novel apparatus for removing mine water hardness as claimed in claim 1, wherein: the water distribution assembly comprises water distribution pipes (21) arranged in the device shell (1), the bottoms of the water distribution pipes (21) are communicated with a water inlet pipe (22), and the water inlet pipe (22) extends out of the device shell (1); a first dosing pump (23) is arranged on the water distribution pipe (21); the top end of the water distribution pipe (21) is fixedly connected with a liquid shed (24).
3. The novel apparatus for removing mine water hardness as claimed in claim 1, wherein: arrange a grain subassembly including the intercommunication arrange a grain pipe (31) of device shell (1) bottom, arrange a grain pipe (31) with be provided with electronic auger (32) in the perpendicular pipe end in device shell (1) bottom.
4. The novel apparatus for removing mine water hardness as claimed in claim 1, wherein: the inclined plate sedimentation tank (5) comprises two filter plates (51) which are arranged in parallel, and the edges of the two filter plates (51) are fixedly arranged with the inner wall of the device shell (1); an inclined filtering layer (52) and a guide plate (53) are arranged between the two filtering plates (51) from bottom to top; and a cleaning assembly is arranged below the filter plate (51) at the lower end and is in sliding contact with the filter plate (51) at the lower end.
5. The novel apparatus for removing mine water hardness of claim 4, wherein: the inclined filter layer (52) comprises a plurality of inclined filter plates which are arranged in an inclined mode, and the inclined filter plates and the bottom surface of the guide plate (53) are arranged in an angled mode; the center of the guide plate (53) is provided with a through hole (54).
6. The novel apparatus for removing mine water hardness of claim 5, wherein: the sweeping assembly comprises a scraping brush (55) arranged at the lower end of the filter plate (51) at the lower end, and the scraping brush (55) is in sliding contact with the filter plate (51) at the lower end; one end of the scraping brush (55) close to the center of the filter plate (51) is vertically and fixedly connected with a transmission shaft (56), and the transmission shaft (56) penetrates through the filter plate (51) at the lower end and is rotationally connected with the filter plate (51); the top end of the transmission shaft (56) extends into the through hole (54) and is fixedly connected with an impeller (57), and the impeller (57) is rotatably connected with the through hole (54).
7. The novel apparatus for removing mine water hardness as claimed in claim 1, wherein: the clear water area (6) comprises a clear water cap (61) fixedly mounted at the top end of the device shell (1), and the bottom end of the clear water cap (61) is fixedly mounted with the outer wall of the device shell (1); the bottom end of the clear water cap (61) is lower than the top end of the device shell (1); a clear water channel (62) is formed between the clear water cap (61) and the device shell (1); the bottom end of the clear water channel (62) is communicated with a clear water pipe (63).
8. The novel apparatus for removing mine water hardness of claim 7, wherein: the bottom end of the clear water channel (62) is obliquely arranged, and the clear water pipe (63) is communicated with the lowest point of the clear water channel (62).
9. The novel apparatus for removing mine water hardness of claim 2, wherein: the backflow component (8) comprises a backflow pipe (81), an outlet of the backflow pipe (81) is communicated with an inner cavity of the water distribution pipe (21), and the height of the outlet of the backflow pipe (81) is higher than that of the water inlet pipe (22); the inlet of the return pipe (81) is communicated with the top end of the reaction zone (3), and the inlet position of the return pipe (81) is not lower than the top end of the water distribution pipe (21); the backflow pipe (81) is provided with a dosing assembly, and the backflow pipe (81) is provided with a backflow pump (84).
10. The novel apparatus for removing mine water hardness as claimed in claim 9, wherein: the medicine feeding assembly comprises a second medicine feeding pump (82), and an outlet of the second medicine feeding pump (82) is communicated with the return pipe (81); the backflow pipe (81) is further provided with a backflow valve (83), and the backflow valve (83) is linked with the second dosing pump (82).
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| CN202111477994.2A CN114163022B (en) | 2021-12-06 | 2021-12-06 | Device for removing hardness of mine water |
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