CN211215583U - Porous sand filter suitable for mine water - Google Patents
Porous sand filter suitable for mine water Download PDFInfo
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- CN211215583U CN211215583U CN201922100296.5U CN201922100296U CN211215583U CN 211215583 U CN211215583 U CN 211215583U CN 201922100296 U CN201922100296 U CN 201922100296U CN 211215583 U CN211215583 U CN 211215583U
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Abstract
The utility model belongs to the technical field of water purification, in particular to a multi-hole sand filter suitable for mine water inlet, which comprises a plurality of single-lattice sand filters arranged in parallel, wherein a water inlet weir is arranged above the single-lattice sand filters, the water inlet end of the water inlet weir is provided with a water inlet main valve, the water inlet weir is provided with a water inlet valve corresponding to each single-lattice sand filter, and the water outlet end of the water inlet weir is provided with a backwashing drainage main valve; the water inlet end of the backwashing water inlet main pipe is provided with a backwashing water inlet main valve, and each single-lattice sand filter is internally provided with a quartz sand filter material. The sand filter joint solves the problem of poor sedimentation effect of the horizontal flow type water collecting and adjusting tank, and simultaneously does not need to add chemicals, thereby saving the chemical adding cost.
Description
Technical Field
The utility model belongs to the technical field of the aqueous cleaning, concretely relates to porous sand filter suitable for ore deposit is intake.
Background
At present, the mine water treatment process generally comprises the steps of lifting the mine water to a water collection regulating reservoir through a pump, regulating the water quality and the water quantity of the water in the regulating reservoir, staying for sedimentation, sucking a large amount of coal slime into a sludge reservoir through a travelling pump suction dredge at the bottom of the reservoir, lifting the water in the regulating reservoir through a pipeline mixer through the pump, simultaneously adding a coagulant PAC and a coagulant aid PAM in front of the pipeline mixer, after mixing reaction, entering a high-efficiency inclined-tube sedimentation reservoir to generate a large amount of organic micelles to sink and remove most suspended matters (turbidity) in the inclined-tube sedimentation reservoir, entering supernatant of the sedimentation reservoir into a valveless filter, filtering solids which are difficult to settle in the water through the interception and interception of filter materials, wherein the precipitated raw water also contains organic suspended matters which are fine in particles and form a sol state with the water, and the matters have strong polymerization, The sedimentation stability can not be removed by the conventional gravity natural sedimentation method, and the filtering medium (quartz sand) in the valveless filter intercepts colloid and fine substances in water, thereby ensuring the quality of the effluent water. The effluent enters a clean water tank, bacteria in the water are killed in the clean water tank through the strong oxidation of chlorine dioxide, and the disinfected water is reused as production water for underground dust prevention, fire control and the like or is comprehensively utilized after advanced treatment. The valveless filter backflushes and refluxes to the water collecting regulating pool for retreatment. And discharging the sludge in the water collecting adjusting tank and the coagulation reaction inclined tube sedimentation tank into a sludge concentration tank, pumping the sludge into a filter press for dehydration after concentration, transporting the sludge outwards, and refluxing the supernatant in the sludge concentration tank to the adjusting water collecting tank.
The prior treatment process and the used filter have the following problems: 1. the dosage is large, millions of dosing expenses are spent each year, and great pressure is brought to the operation cost of a coal mine; 2. the advection type water collecting and adjusting tank has poor sedimentation effect, the bottom sludge accumulation is less, and the effect of preliminary sedimentation cannot be achieved effectively. The advection type sedimentation tank occupies a large area and has high manufacturing cost; 3. the salt content of the mine water is increased due to the addition of chemicals, and the discharged water affects the environmental quality; 4. the added coagulant aid is polyacrylamide generally, and if membrane method advanced treatment equipment is arranged subsequently, the membrane fouling and blocking degree is increased easily, and the normal operation of the membrane treatment equipment is seriously influenced.
Therefore, the defect of the prior art is overcome, and the research on the device which can finish the pretreatment of the mine water without adding chemicals is of great significance.
Disclosure of Invention
An object of the utility model is to provide a porous sand filter suitable for mine water to the problem that exists among the prior art, this sand filter festival solves the not good problem of advection formula catchment equalizing basin sedimentation effect, need not add the medicine simultaneously, practices thrift and adds the medicine expense.
The technical scheme of the utility model is that:
a multi-pore sand filter suitable for mine water comprises a plurality of single-lattice sand filters arranged in parallel, wherein a water inlet weir is arranged above the plurality of single-lattice sand filters, the water inlet end of the water inlet weir is provided with a water inlet main valve, the water inlet weir is respectively provided with a water inlet valve corresponding to each single-lattice sand filter, and the water outlet end of the water inlet weir is provided with a backwashing drainage main valve; the water inlet end of the backwashing water inlet main pipe is provided with a backwashing water inlet main valve, and each single-lattice sand filter is internally provided with a quartz sand filter material.
Specifically, the particle sizes of the quartz sand filter materials are sequentially increased from top to bottom, the particle size of the lowest layer of quartz sand filter material is phi 2-16 mm, the height of the lowest layer of quartz sand filter material is 550mm, the particle size of the middle layer of quartz sand filter material is phi 1.2-2.8 mm, the height of the middle layer of quartz sand filter material is 1000mm, and the particle size of the upper layer of quartz sand filter material is phi 0.5-1.0 mm.
Specifically, the backwashing water inlet main pipe is connected with an air inlet branch pipe, the air inlet branch pipe is connected with the Roots blower, and an air main valve is arranged on the air inlet branch pipe.
Specifically, a backwashing pump is arranged at the water inlet end of the backwashing water inlet main pipe.
Specifically, a floating ball liquid level meter is arranged on the surface of each single-lattice sand filter.
Specifically, the inlet valve select for use the electrically regulated slide valve, the total valve of intaking, backwash drainage valve and backwash water intaking total valve all select for use electric valve, the drainage valve select for use electric drainage valve or pneumatic drainage valve, the porous sand filter still include PLC control system, electrically regulated slide valve, electric drainage valve or pneumatic drainage valve, the total valve of intaking, backwash drainage valve and backwash water intaking total valve be connected with PLC control system respectively.
Specifically, the drainage branch pipe adopts a mother branch pipe type.
The utility model has the advantages that: the sand filter tank is a positive flow deep bed filter tank designed by a theory of 'homodromous coagulation', a quartz sand filter material with larger grain size than a commonly used filter material is adopted, the grain size of the quartz sand filter material 11 is sequentially increased from top to bottom, the grain size of the lowest layer of the quartz sand filter material is phi 2-16 mm, the height is 550mm, the grain size of the middle layer of the quartz sand filter material is phi 1.2-2.8 mm, the height is 1000mm, the grain size of the upper layer of the quartz sand filter material is phi 0.5-1.0 mm, the grain size and the occupied proportion of the adopted filter material are different greatly, and the filter tank is used for filtering by the whole filter material, so that the surface filtration of a filter layer formed by the common filter tank is avoided, the resistance of the filter layer is reduced, the premature penetration of grains is also avoided, and the filter speed can; the addition and the uniform mixing of the fine filter material in the filter layer greatly reduce the local porosity of the coarse filter material, improve the flocculation effect of fine particles in sewage, be more beneficial to removing the fine particles and greatly improve the sewage interception capability of the filter.
The inlet water adopts a weir type structure, each single lattice sand filter is provided with an inlet water electric adjusting gate valve for adjusting the inlet water uniformity of each lattice sand filter, the opening degree of each electric adjusting gate valve is determined through debugging, and each electric adjusting gate valve is opened according to the debugged opening degree during operation, so that the operation period of each lattice sand filter is basically consistent; each valve is opened fully during backwashing, so that backwash water can be discharged smoothly, a good backwashing effect is achieved, backwashing water consumption is low, operation is stable, and deep filtration is adopted.
The sand filter provided by the utility model saves the dosing cost; the problem of poor sedimentation effect of the horizontal flow type water collection regulating tank is solved, the stable water quality entering each single-lattice sand filter is ensured, the normal operation of the sand filter is ensured, the cleaning period and cost are reduced, and the service life of the sand filter is prolonged; the sand filter provided by the utility model has simple equipment and low investment, and compared with a sedimentation tank, the civil engineering investment cost can be reduced by more than half; the whole treatment process is environment-friendly, the salt content of the discharged water is not increased, and the safety of each subsequent water consumption point is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of a system for pretreating mine water by using the sand filter provided by the utility model;
fig. 3 is a schematic view of the structure of a drain tap.
1 single-lattice filter, 2 backwashing water inlet main pipe, 3 water inlet weir, 4 water inlet main valve, 5 water inlet valve I,
6 water inlet valves II, 7 water inlet valves III, 8 water inlet valves IV, 9 water inlet valves V, 10 backwashing drainage main valves, 11 filter materials, 12 drainage valves I, 13 drainage branch pipes, 14 drainage valves II, 15 drainage valves III, 16 drainage valves IV, 17 drainage valves V, 18 air main valves and 19 backwashing water inlet main valves.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Example 1
Fig. 1 is a schematic structural diagram of a multi-pore sand filter suitable for mine water provided in this embodiment, the sand filter of this embodiment includes five single-cell sand filters 1 arranged in parallel, a water inlet weir 3 is arranged above the five single-cell sand filters 1, an electric water inlet main valve 4 is arranged at a water inlet end of the water inlet weir 3, the water inlet weir 3 is respectively provided with an electric adjusting gate valve corresponding to each single-cell sand filter 1, the gate valves corresponding to the single-cell sand filters are respectively a water inlet valve one 5, a water inlet valve two 6, a water inlet valve three 7, a water inlet valve four 8 and a water inlet valve five 9, and an electric backwashing water discharge main valve 10 is arranged at a water outlet end of the water inlet weir 3; the bottom of each of the five single-lattice sand filters 1 is provided with a backwashing water inlet main pipe 2, the backwashing water inlet main pipe 2 is respectively communicated with each single-lattice sand filter 1 through a water discharge branch pipe 13, and the water discharge branch pipe 13 adopts a mother branch pipe type, as shown in figure 3. An electric drainage valve is respectively arranged on a drainage branch pipe 13 corresponding to each single-lattice sand filter 1, the electric drainage valve is respectively a drainage valve I12, a drainage valve II 14, a drainage valve III 15, a drainage valve IV 16 and a drainage valve V17, the water inlet end of the backwashing water inlet main pipe 2 is provided with an electric backwashing water inlet main valve 15, a quartz sand filter material 11 is respectively arranged in each single-lattice sand filter 1, the backwashing water inlet main pipe 2 is connected with a gas inlet branch pipe, the gas inlet branch pipe is connected with a Roots blower, and the gas inlet branch pipe is provided with a gas main valve 18. And a backwashing pump is arranged at the water inlet end of the backwashing water inlet main pipe 2, and a floating ball liquid level meter is arranged on the surface of each single-lattice sand filter 1.
The particle sizes of the quartz sand filter materials 11 are sequentially increased from top to bottom, the particle size of the lowest layer of quartz sand filter material is phi 2-16 mm, the height of the lowest layer of quartz sand filter material is 550mm, the particle size of the middle layer of quartz sand filter material is phi 1.2-2.8 mm, the height of the middle layer of quartz sand filter material is 1000mm, and the particle size of the upper layer of quartz sand filter material is phi 0.5-1.0 mm.
The multi-pore sand filter further comprises a PLC control system, wherein the electric adjusting gate valve, the electric drainage valve or the pneumatic drainage valve, the water inlet main valve 4, the backwashing drainage main valve 10 and the backwashing water inlet main valve 15 are respectively connected with the PLC control system, and the automatic control of operation and backwashing can be realized.
As shown in figure 2, the functional block diagram of the sand filter for pretreating mine inflow water is provided, mine inflow water is firstly filtered by the multi-hole sand filter provided by the utility model, and clear water after filtering enters a clean water tank to save space, the clear water tank and the sludge concentration tank can be built in the sand filter, the effluent and the backwash drainage of the sand filter flow into the clear water tank and the sludge concentration tank in a gravity mode, the effluent of the clear water tank can reach a water consumption point or a subsequent advanced treatment system after being sterilized and disinfected, the resistance of a filter layer is increased after the porous sand filter operates for a period of time, backwashing is needed, backwashing is carried out in a mode of combining water backwashing and gas scrubbing, backwash water enters the sludge concentration tank, adding a flocculating agent and a coagulant aid into the sludge concentration tank to concentrate the sludge, returning supernatant to the porous sand filter tank through a water pump to be treated, and desliming the sludge in a desliming machine.
When the multi-pore sand filter provided by the embodiment operates, a water inlet main valve 4 is opened, a water inlet valve I5 is opened simultaneously, a water inlet valve II 6, a water inlet valve III 7, a water inlet valve IV 8 and a water inlet valve V9 are opened, a water discharge valve I12, a water discharge valve II 14, a water discharge valve III 15, a water discharge valve IV 16 and a water discharge valve V17 are opened simultaneously, a backwashing water inlet main valve 19 is closed simultaneously, an air main valve 18 and a backwashing water discharge main valve 10 are closed simultaneously, sewage passes through a quartz sand filter material layer, discharged water directly flows into a clean water tank by gravity, a floating ball liquid level meter is arranged on the surface of each sand filter 1, the liquid level can continuously rise along with the increase of impurities intercepted by filtration, when the liquid level rises to a certain degree, the fact: firstly, closing a water inlet main valve 4, a water inlet valve I5, a water inlet valve II 6, a water inlet valve III 7, a water inlet valve IV 8 and a water inlet valve V9, closing a water outlet valve I12, a water outlet valve II 14, a water outlet valve III 15, a water outlet valve IV 16 and a water outlet valve V17, then opening a backwashing water inlet main valve 19, a backwashing water outlet main valve 10 and an air main valve 18, backwashing the filter, controlling the backwashing time of the backwashing within 30 minutes, after the backwashing is finished, closing the water inlet main valve 4, the backwashing water inlet main valve 19, the backwashing water outlet main valve 10 and the air main valve 18, opening the water inlet valve I5, the water inlet valve II 6, the water inlet valve III 7, the water inlet valve IV 8 and the water inlet valve V9, opening the water outlet valve I12, the water outlet valve II 14, the water outlet valve III 15, the water outlet valve IV 16 and the water outlet valve V17, emptying the filter, and ensuring that a filter layer is in a, microorganism breeding can be avoided, and icing can not happen in northern areas in winter, so that the device cannot run during starting.
In the actual construction process, more single-lattice sand filter tanks can be set according to different mine water treatment scales. The utility model discloses unique part still lies in each single check sand filter simultaneous operation but can carry out independent backwash, and the backwash is effectual.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The multi-pore sand filter suitable for mine water is characterized by comprising a plurality of single-lattice sand filters (1) arranged in parallel, wherein a water inlet weir (3) is arranged above the plurality of single-lattice sand filters (1), the water inlet end of the water inlet weir (3) is provided with a water inlet main valve (4), the water inlet weir (3) is respectively provided with a water inlet valve corresponding to each single-lattice sand filter (1), and the water outlet end of the water inlet weir (3) is provided with a backwashing drainage main valve (10); a plurality of single check sand filter (1) bottom set up backwash inlet manifold (2), backwash inlet manifold (2) communicate with every single check sand filter (1) through drainage branch pipe (13) respectively, be provided with the drain valve on drainage branch pipe (13) that every single check sand filter (1) corresponds respectively, backwash inlet manifold (2) intake end set up backwash inlet manifold (19), every single check sand filter (1) in be provided with quartz sand filter material (11) respectively.
2. The porous sand filter tank suitable for mine water according to claim 1, wherein the particle sizes of the quartz sand filter materials (11) are sequentially increased from top to bottom, the particle size of the lowest layer of quartz sand filter material is phi 2-16 mm, the height of the lowest layer of quartz sand filter material is 550mm, the particle size of the middle layer of quartz sand filter material is phi 1.2-2.8 mm, the height of the middle layer of quartz sand filter material is 1000mm, and the particle size of the upper layer of quartz sand filter material is phi 0.5-1.0 mm.
3. The porous sand filter tank for mine water according to claim 1, characterized in that the backwash water inlet main pipe (2) is connected with an air inlet branch pipe, the air inlet branch pipe is connected with a Roots blower, and the air inlet branch pipe is provided with an air main valve (18).
4. The porous sand filter tank applicable to mine water is characterized in that a backwashing pump is arranged at the water inlet end of the backwashing water inlet main pipe (2).
5. The porous sand filter tank applicable to mine water is characterized in that a floating ball liquid level meter is arranged on the surface of each single-lattice sand filter tank (1).
6. The multi-pore sand filter suitable for mine water according to claim 1, wherein the water inlet valve is an electrically adjustable gate valve, the main water inlet valve (4), the main backwashing water drainage valve (10) and the main backwashing water inlet valve (19) are electrically operated valves, the water drainage valve is an electrically operated water drainage valve or a pneumatically operated water drainage valve, the multi-pore sand filter further comprises a PLC control system, and the electrically adjustable gate valve, the electrically operated water drainage valve or the pneumatically operated water drainage valve, the main water inlet valve (4), the main backwashing water drainage valve (10) and the main backwashing water inlet valve (19) are respectively connected with the PLC control system.
7. The porous sand filter tank for mine water according to claim 1, wherein the drain branch pipe (13) is a mother branch pipe type.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100296.5U CN211215583U (en) | 2019-11-29 | 2019-11-29 | Porous sand filter suitable for mine water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922100296.5U CN211215583U (en) | 2019-11-29 | 2019-11-29 | Porous sand filter suitable for mine water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113307430A (en) * | 2021-07-12 | 2021-08-27 | 冯殿和 | Combined multifunctional water treatment system |
| CN113800711A (en) * | 2021-09-02 | 2021-12-17 | 江苏南大华兴环保科技股份公司 | Pretreatment method and system for high-concentration oily perfume wastewater |
| CN114477321A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Device for purifying washing water of MTO device and using method |
| CN115367852A (en) * | 2022-08-30 | 2022-11-22 | 西安建筑科技大学 | Micro-sand drying method for circulating agglomeration granulation fluidized bed |
-
2019
- 2019-11-29 CN CN201922100296.5U patent/CN211215583U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477321A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Device for purifying washing water of MTO device and using method |
| CN114477321B (en) * | 2020-10-27 | 2023-07-04 | 中国石油化工股份有限公司 | Device for purifying MTO device washing water and using method thereof |
| CN113307430A (en) * | 2021-07-12 | 2021-08-27 | 冯殿和 | Combined multifunctional water treatment system |
| CN113307430B (en) * | 2021-07-12 | 2024-05-24 | 冯殿和 | Combined multifunctional water treatment system |
| CN113800711A (en) * | 2021-09-02 | 2021-12-17 | 江苏南大华兴环保科技股份公司 | Pretreatment method and system for high-concentration oily perfume wastewater |
| CN115367852A (en) * | 2022-08-30 | 2022-11-22 | 西安建筑科技大学 | Micro-sand drying method for circulating agglomeration granulation fluidized bed |
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