CN209322624U - A kind of purification of mine drainage processing unit - Google Patents

Abstract

The utility model discloses a kind of purification of mine drainage processing units, preformed precipitate pond including being sequentially communicated setting, absorbing well, absorption well, first filtering ponds, react settling zone, second filtering ponds and electric dialyzator, the detour pipeline being obliquely installed is equipped in the reaction settling zone, first filtering ponds react settling zone and are connected by the first metering pump with described, coagulant tank is equipped with above the water inlet end of the reaction settling zone, the reaction settling zone is connected with the coagulant tank by the second metering pump, the water outlet of the reaction settling zone is in low-level position and is connected with second filtering ponds, the water outlet of second filtering ponds is connected with the water inlet end of the electric dialyzator, the clear water water outlet of the electric dialyzator is communicated with clean solution tank, the concentrated water water outlet of the electric dialyzator is communicated with concentration basin.The additive amount of coagulant is adjusted in the utility model using metering pump, so that the coagulant additive amount in mine water is more reasonable, coagulation effect is improved.

Description

A kind of purification of mine drainage processing unit

Technical field

The utility model relates to the dirty water decontamination handles field more particularly to a kind of purification of mine drainage processing units.

Background technique

In progress of coal mining, underground water is contacted with coal seam, rock stratum, in addition the movable influence of the mankind, has occurred one Physics, chemistry and the biochemical reaction of series, thus water quality has significant coal industry feature: the mine water containing suspended matter Suspension content is significantly larger than surface water, and sensory properties is poor；And the granularity of contained suspended matter is small, light specific gravity, sinking speed are slow, Coagulation effect is poor；Also containing organic pollutants such as used oil, oil emulsions in mine water.The total ion concentration contained in mine water It is more much higher than general surface water, and be greatly sulfate ion.Often pH value is especially low for mine water, is often accompanied by a large amount of Ferrous ion, increase the difficulty of processing.

The control of coagulant is the important link during purification of mine drainage treatment process, and result directly influences mine The purified treatment effect of water.

In consideration of it, the present inventor furthers investigate described problem, there is this case generation then.

Utility model content

In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of coagulant injected volume and ratio is launched Controllably, the high purification of mine drainage processing unit of mine water intermediate ion removal rate.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of purification of mine drainage processing unit, including be sequentially communicated the preformed precipitate pond of setting, absorbing well, absorption well, the first filtering ponds, React settling zone, the second filtering ponds and electric dialyzator；It is connected between the preformed precipitate pond and the absorbing well, absorption well by first pipe, It is connected between the absorbing well, absorption well and first filtering ponds by second pipe, first filtering ponds react settling zone with described Between be connected to by third pipeline, be connected between the reaction settling zone and second filtering ponds by the 4th pipeline, it is described It is connected between second filtering ponds and the electric dialyzator by the 5th pipeline；The reaction settling zone is tilted-putted cabinet, The opposite two sidewalls in the reaction settling zone are equipped with the partition being staggered along the length direction of the reaction settling zone, adjacent The partition be reserved with contrary opening, thus in the reaction settling zone formed detour pipeline；The reaction is heavy The height of the water inlet position in shallow lake area is higher than the height of the reaction settling zone water outlet position；The water inlet of the third pipeline It is connect with the water outlet of first filtering ponds, the water outlet of the third pipeline connects with the water inlet for reacting settling zone It connects, the third pipeline is equipped with the first metering pump, the water outlet of the reaction settling zone and the water inlet of the 4th pipeline Connection, the water outlet of the 4th pipeline are connect with the water inlet of second filtering ponds；The water inlet of the reaction settling zone Top is additionally provided with coagulant tank, and the reaction settling zone is connect by adding tube with the coagulant tank, connected in the adding tube The second metering pump is connected to be connected；The clear water water outlet of the electric dialyzator is communicated with clean solution tank, the electrodialysis by outlet pipe The concentrated water water outlet of device is communicated with concentration basin by drainpipe.

It is connected with the first water pump on the second pipe, is equipped with coarse filtration layer in first filtering ponds；Second pipe The water inlet in road protrudes into the absorbing well, absorption well, and the water outlet of the second pipe is connect with the water inlet of first filtering ponds, And the water inlet of first filtering ponds is located at the top of the coarse filtration layer；The water outlet of first filtering ponds is described The lower section of coarse filtration layer.

It is connected with the second water pump on 4th pipeline, is equipped with thin filter layer, second mistake in second filtering ponds The water inlet in filter tank is located at the top of the thin filter layer, and the water outlet of second filtering ponds is located under the thin filter layer Side.

The lowest position of the bottom surface of the reaction settling zone is equipped with sludge hopper, is provided on the sludge hopper for being discharged The valve of deposit in the sludge hopper.

The position that the bottom surface of the reaction settling zone corresponds to water inlet is also connected with snorkel, and the snorkel is communicated with gas Body injection apparatus.

The present embodiment further includes PLC control system, and the bottom of first filtering ponds is equipped with pressure sensor, the pressure Sensor is connect with the input terminal of the PLC control system, first metering pump and second metering pump respectively with it is described The corresponding output end connection of PLC control system.

The present embodiment further includes the neutralization conditioning tank being located between the preformed precipitate pond and the absorbing well, absorption well, and the neutralization is adjusted It saves and is connected between pond and the preformed precipitate pond by water service pipe, pass through described the between the neutralization conditioning tank and the absorbing well, absorption well The connection of one pipeline, the top for neutralizing conditioning tank are equipped with the addition tank for adding neutralizer.

After the technical solution of the utility model, mine water can be realized by adjusting the first metering pump and the second metering pump It is mixed with coagulant by best proportion, greatly improves the using effect and utilization efficiency of coagulant, while mine water and mixed Solidifying agent circuitous flow in detour pipeline, produces reflux, so that coagulant is adequately mixed with mine water, it is further to increase The coagulation effect of coagulant.

Detailed description of the invention

Fig. 1 is the utility model integral layout schematic diagram；

Fig. 2 is the schematic diagram of the utility model detour pipeline.

In figure

- 100 water service pipe -110 of preformed precipitate pond

It neutralizes conditioning tank -200 and adds tank -210

- 220 absorbing well, absorption well -300 of first pipe

- 301 second pipe -310 of first water pump

- 400 coarse filtration layer -401 of first filtering ponds

- 402 pressure sensor -403 of first metering pump

Third pipeline -410 reacts settling zone -500

- 501 gas booster pump -502 of detour pipeline

- 503 partition -504 of second water pump

The 4th pipeline -510 of sludge hopper -505

- 520 check valve -521 of snorkel

The thin filter layer -601 of second filtering ponds -600

- 610 electric dialyzator -700 of 5th pipeline

- 701 concentration basin -702 of clean solution tank

- 710 drainpipe -720 of outlet pipe

- 800 second metering pump -801 of coagulant tank

Adding tube -810

Specific embodiment

The utility model is described further in the following with reference to the drawings and specific embodiments.

A kind of purification of mine drainage processing unit as illustrated in fig. 1 and 2, including be sequentially communicated setting preformed precipitate pond 100, in With conditioning tank 200, absorbing well, absorption well 300, the first filtering ponds 400, reaction settling zone 500, the second filtering ponds 600 and electric dialyzator 700。

It is connected between preformed precipitate pond 100 and neutralization conditioning tank 200 by water service pipe 110, neutralizes conditioning tank 200 and absorbing well, absorption well It being connected between 300 by first pipe 220, the top of neutralization conditioning tank 200 is equipped with the addition tank 210 for adding neutralizer, Be connected between absorbing well, absorption well 300 and the first filtering ponds 400 by second pipe 310, the first filtering ponds 400 with react settling zone 500 Between be connected to by third pipeline 410, react and be connected between settling zone 500 and the second filtering ponds 600 by the 4th pipeline 510, It is connected between second filtering ponds 600 and electric dialyzator 700 by the 5th pipeline 610；It is tilted-putted for reacting settling zone 500 One end of cabinet, reaction settling zone 500 is provided with water inlet, and the other end is provided with water outlet, reaction settling zone 500 it is opposite two Side wall is equipped with the partition 504 being staggered along the length direction of reaction settling zone 500, and adjacent partition 504 is reserved with direction Opposite opening, to form detour pipeline 501 in reaction settling zone 500；React the height of the water inlet position of settling zone 500 Degree is higher than the height of reaction 500 water outlet position of settling zone；The water outlet of the water inlet of third pipeline 410 and the first filtering ponds 400 The water outlet of mouth connection, third pipeline 410 is connect with the water inlet of reaction settling zone 500；Third pipeline 410 is equipped with the first meter Amount pump 402, reaction settling zone 500 water outlet connect with the water inlet of the 4th pipeline 510, the water outlet of the 4th pipeline 510 and The water inlet of second filtering ponds 600 connects；It reacts and is additionally provided with coagulant tank 800 above the water inlet of settling zone 500, reaction precipitating Area 500 is additionally provided with coagulant adding mouth close to the position of water inlet, this coagulant adding mouth and coagulant tank 800 pass through addition Pipe 810 connects, and is connected with the second metering pump 801 in adding tube 810；The clear water water outlet of electric dialyzator 700 passes through outlet pipe 710 It is communicated with clean solution tank 701, the concentrated water water outlet of electric dialyzator 700 is communicated with concentration basin 702 by drainpipe 720.

Condensed water in the present embodiment in concentration basin 702 is using conventional processing mode.Using the first metering pump 402 and Two metering pumps 801 react the inflow and coagulant additive amount of settling zone 500 to adjust, and then guarantee that mine water adequately flocculates Precipitating avoids the out of proportion of inflow and coagulant additive amount, saves a large amount of coagulant；Add the neutralizer in tank 210 Using lime, the pH value of mine water is adjusted, improves the effect of subsequent coagulation, while reducing the sulfate ion in mine water and carbon The concentration of sour hydrogen radical ion, avoids because bicarbonate ion concentration is excessively high, and not easily passs through the reason of electrodialysis removes and cause Salt rejection rate decline.

Preferably, it is connected with the first water pump 301 on second pipe 310, is equipped with coarse filtration layer 401 in the first filtering ponds 400； The water inlet of second pipe 310 protrudes into absorbing well, absorption well 300, the water inlet of the water outlet of second pipe 310 and the first filtering ponds 400 Connection, and the water inlet of the first filtering ponds 400 is located at the top of coarse filtration layer 401；The water outlet of first filtering ponds 400 is thick The lower section of filter layer 401.Porous sieve, the mine water in the first filtering ponds 400 can be used in coarse filtration layer 401 in the present embodiment It is extracted again by the first metering pump 402 after first passing through the filtering of coarse filtration layer 401, reduces the turbidity of mine water, so that the first meter The particle that amount pump 402 is drawn is reduced, and then avoids the blocking of the first metering pump 402；Grind the first metering pump 402 Damage amount is reduced, and the precision of the inflow of the first metering pump 402 is affected small.

Preferably, it is connected with the second water pump 503 on the 4th pipeline 510, is equipped with thin filter layer 601 in the second filtering ponds 600, The water inlet of second filtering ponds 600 is located at the top of thin filter layer 601, and the water outlet of the second filtering ponds 600 is located at thin filter layer 601 lower section.In the present embodiment, the filter of known use is can be used in thin filter layer 601, is used for filter and remove suspended substances, glue Body object, organic matter, when avoiding subsequent electrodialysis, the blocking of 700 water flow inside pipeline of electric dialyzator and the ion of electric dialyzator 700 The problems such as pollution of exchange membrane.

Preferably, the lowest position for reacting the bottom surface of settling zone 500 is equipped with sludge hopper 505, is arranged on sludge hopper 505 There is the valve of the deposit for being discharged in sludge hopper 505.In the present embodiment, the valve uses conventional manual control valve, when When deposit in sludge hopper 505 is more, hand control valve is opened, deposit is discharged, is re-closing off hand control valve after discharge, Cleaning is convenient.

Preferably, the position that the bottom surface of reaction settling zone 500 corresponds to water inlet is also connected with snorkel 520, snorkel 520 It is communicated with gas injection apparatus, check valve 521 is connected on snorkel 520, avoids the water of reaction settling zone 500 from being back to described Gas injection apparatus.The booster pump of gas injection apparatus using gas described in the present embodiment 502, can be stable to reaction settling zone 500 injection high pressure gas, increase the mixability of coagulant and mine water, to improve the effect of coagulation.

Preferably, the utility model further includes PLC control system, and the bottom of the first filtering ponds 400 is equipped with pressure sensor 403, pressure sensor 403 is connect with the input terminal of the PLC control system, and the first metering pump 402 and the second metering pump 801 divide Output end connection not corresponding with PLC control system.After PLC control system control, the first metering pump 402 can be automatic Adjust third pipeline 410 in mine water circulation, the second metering pump 801 can adjust automatically coagulant additive amount so that whole The degree of automation of a device is improved, and saves labour.

When work, mine water is passed through in preformed precipitate pond 100 and precipitates, and the mine water in preformed precipitate pond 100 passes through water service pipe 110 It is passed through after neutralizing in conditioning tank 200, addition tank 210 adds neutralizer into neutralization conditioning tank 200, adjusts pH value, while certain Decline the concentration of sulfate radical in mine water ion and bicarbonate ion.Neutralize the mine water in conditioning tank 200 It is passed through in absorbing well, absorption well 300 by first pipe 220.First water pump 301 takes out the water in absorbing well, absorption well 300 by second pipe 310 Enter in the first filtering ponds 400, mine water flows into the first filtering ponds of 401 lower section of coarse filtration layer by the filtering of coarse filtration layer 401 In 400.PLC control system sets the pump-out and the of the first metering pump 402 by the pressure that transmits in pressure sensor 403 Two metering pumps extract the amount of coagulant, and send a command to the first metering pump 402 and the second metering pump, the first metering pump 402 Filtered mine water in first filtering ponds 400 is pumped into reaction settling zone 500 by third pipeline 410, while the second meter Coagulant in coagulant tank 800 is pumped into reaction settling zone 500 by amount pump by adding tube 810, PLC control system order Gas booster pump 502 works, and gas booster pump 502 sprays gas to reaction settling zone 500, and mine water is being reacted with coagulant Settling zone 500 mixes, and by increasing mixability when detour pipeline 501, reaction precipitating enhancing, a small amount of sludge and sediment exist Assemble in sludge hopper 505；When the sludge in sludge hopper 505 is excessive, sludge is discharged in the valve for opening sludge hopper 505.Reaction is heavy The water outlet of mine water flow direction reaction settling zone 500 behind shallow lake.Second water pump 503 going out from reaction settling zone 500 by mine water The mouth of a river is evacuated in the second filtering ponds 600 by the 4th pipeline 510, by entering thin filter layer 601 after the filtering of thin filter layer 601 In second filtering ponds 600 of lower section.The mine water of thin 601 lower section of filter layer is passed through electric dialyzator 700 by the 5th pipeline 610 In, most ion in mine water is removed through electric dialyzator 700, is obtained containing the high condensed water of ion concentration and clear water, concentration Water is passed through in concentration basin 702, and clear water is passed through in clean solution tank 701.

The product form and style of the embodiment and schema and non-limiting the utility model patent, any affiliated technology neck The appropriate changes or modifications that the those of ordinary skill in domain does it all should be regarded as the patent model for not departing from the utility model patent Farmland.

Claims (7)

1. a kind of purification of mine drainage processing unit, it is characterised in that: preformed precipitate pond, absorbing well, absorption well, including being sequentially communicated setting One filtering ponds, reaction settling zone, the second filtering ponds and electric dialyzator；Pass through first between the preformed precipitate pond and the absorbing well, absorption well Pipeline connection, be connected between the absorbing well, absorption well and first filtering ponds by second pipe, first filtering ponds with it is described Reaction is connected between settling zone by third pipeline, passes through the 4th pipeline between the reaction settling zone and second filtering ponds Connection, is connected between second filtering ponds and the electric dialyzator by the 5th pipeline；The reaction settling zone is that inclination is put The cabinet set, the opposite two sidewalls in the reaction settling zone are staggered equipped with the length direction along the reaction settling zone Partition, the adjacent partition are reserved with contrary opening, to form detour pipeline in the reaction settling zone；Institute The height for stating the water inlet position of reaction settling zone is higher than the height of the reaction settling zone water outlet position；The third pipeline Water inlet connect with the water outlet of first filtering ponds, the water outlet of the third pipeline with it is described react settling zone into Mouth of a river connection, the third pipeline are equipped with the first metering pump, the water outlet and the 4th pipeline of the reaction settling zone Water inlet connection, the water outlet of the 4th pipeline are connect with the water inlet of second filtering ponds；The reaction settling zone It is additionally provided with coagulant tank above water inlet, the reaction settling zone is connect with the coagulant tank by adding tube, the addition The second metering pump is connected on pipe to be connected；The clear water water outlet of the electric dialyzator is communicated with clean solution tank by outlet pipe, described The concentrated water water outlet of electric dialyzator is communicated with concentration basin by drainpipe.

2. a kind of purification of mine drainage processing unit as described in claim 1, it is characterised in that: be connected on the second pipe First water pump, first filtering ponds are interior to be equipped with coarse filtration layer；The water inlet of the second pipe protrudes into the absorbing well, absorption well, institute The water outlet for stating second pipe is connect with the water inlet of first filtering ponds, and the water inlet of first filtering ponds is located at institute State the top of coarse filtration layer；The water outlet of first filtering ponds is in the lower section of the coarse filtration layer.

3. a kind of purification of mine drainage processing unit as described in claim 1, it is characterised in that: be connected on the 4th pipeline Second water pump, second filtering ponds are interior to be equipped with thin filter layer, and the water inlet of second filtering ponds is located at the thin filter layer Top, the water outlet of second filtering ponds is located at the lower section of the thin filter layer.

4. a kind of purification of mine drainage processing unit as described in claim 1, it is characterised in that: the bottom surface of the reaction settling zone Lowest position be equipped with sludge hopper, the valve of the deposit for being discharged in the sludge hopper is provided on the sludge hopper.

5. a kind of purification of mine drainage processing unit as described in claim 1, it is characterised in that: the bottom surface of the reaction settling zone The position of corresponding water inlet is also connected with snorkel, and the snorkel is communicated with gas injection apparatus.

6. a kind of purification of mine drainage processing unit as described in claim 1, it is characterised in that: it further include PLC control system, institute The bottom for stating the first filtering ponds is equipped with pressure sensor, and the pressure sensor is connect with the input terminal of the PLC control system, First metering pump and second metering pump output end connection corresponding with the PLC control system respectively.

7. a kind of purification of mine drainage processing unit as described in claim 1, it is characterised in that: further include being located at the preformed precipitate Neutralization conditioning tank between pond and the absorbing well, absorption well is connected between the neutralization conditioning tank and the preformed precipitate pond by water service pipe It connects, is connected between the neutralization conditioning tank and the absorbing well, absorption well by the first pipe, set above the neutralization conditioning tank There is the addition tank for adding neutralizer.