CN105776582B - A kind of method and device thereof removing underground water temporary hardness - Google Patents
A kind of method and device thereof removing underground water temporary hardness Download PDFInfo
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- CN105776582B CN105776582B CN201610217896.8A CN201610217896A CN105776582B CN 105776582 B CN105776582 B CN 105776582B CN 201610217896 A CN201610217896 A CN 201610217896A CN 105776582 B CN105776582 B CN 105776582B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 253
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 59
- 239000003651 drinking water Substances 0.000 description 9
- 235000020188 drinking water Nutrition 0.000 description 9
- 239000008233 hard water Substances 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000002352 surface water Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
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- 239000003673 groundwater Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 235000013311 vegetables Nutrition 0.000 description 1
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Classifications
-
- 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
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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)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of method and device thereof for removing underground water temporary hardness, method includes obtaining raw water and mixed in hydrochloric acid dissolved with CO2The water of gas, dissolved with CO2The water and air of gas carry out mixing wastewater with air and obtain the water steeped containing tiny air, the CO dissolved in the tiny air bubble and water in water2Gas, which combines to emerge, makes CO2It escapes into atmosphere with tiny air bubble by the CO in water2Gas removal；Device includes catchment stripping area and the gas-water mixing zone set gradually from top to bottom, and connection is catchmented stripping area and gas-water mixing zone setting gas-water mixer, and the device simple structure, occupied area is small；Reaction principle is simple, easy to operate, has very high scale removal rate for the big underground water of temporary hardness.
Description
Technical field
The invention belongs to field of water treatment equipment, and in particular to a kind of method and its dress for removing underground water temporary hardness
It sets.
Technical background
Underground water is the important and good drinking water source of China resident.Big and medium-sized cities are generallyd use since water consumption is big
Surface water water source earth surface water source mainly includes river, lake, reservoir etc., its main feature is that hardness is low, but suspended impurity is more, organic
Object and bacterium are more, and water process is relative complex, and influence and pollution vulnerable to external environment, and standby using underground water as city
Use water source.Compared to surface water, underground water has suspended impurity few, and organic matter and bacterium are few, and water process is relatively easy, and not
Vulnerable to the influence and pollution of external environment, groundwater source is generallyd use in small and medium-sized cities, town and rural area.
The generally existing hardness of underground water and the high problem of temporary hardness (scale).Scale is during boiling water by temporary
What hardness was formed, i.e. carbonate hardness is a part of total hardness, is equivalent in conjunction with heavy carbonate in water and a small amount of carbonate
Calcium, magnesium be formed by hardness, when boiling boiling, calcium, magnesium heavy carbonate decompose and generate precipitating to reduce the hardness of water, can
To remove part hardness with the method boiled.If calcium and magnesium are mainly with shapes such as sulfate, nitrate and chlorides in hard water
Formula exists, as permanent hardness.
Scale leads to the aesthetic difference of drinking water more, and to resident living and health, there are potential impacts.Although China
The total hardness of regulation water must not exceed 450mg/L in " standards for drinking water quality ", but there is no limit regulations to temporary hardness.
A large amount of existing HCO in the surface water of Karst region3 -And CO3 2-There is a large amount of precipitatings and floating material after boiled in water in ion,
Turbidity is caused to increase, part water turbidity is more than 5NTU, this and Drinking Water in China about turbidity and there must not be visible regulation contradiction.
China's " standards for drinking water quality " is formulated in reference WHO and western developed country relevant criterion, and foundation is formulated
It is to drink unboiled water, and often differ greatly to boil water to drink with China resident, the former mainly drinks the calcium and magnesium ion of dissolution, I
What state resident drank is that part ion is converted into calcium carbonate, and long-term drinking high carbon acid calcium water influences normal person unknown.Do not pass through
Once often people's long-term drinking hard water of reference hard water, then will appear malaise symptoms, cause diarrhea and functions of intestines and stomach disorder, i.e., so-called
" not acclimatized "；It is done washing with hard water, soap foams less, causes to waste；The flesh of fish, vegetables are cooked with hard water, it can be because being not easy to be cooked
And reduce the nutritive value of food；It is washed hair with hard water, hair can be made to cohere, embrittlement etc..
The technology of processing high hardness water mainly has medicament tenderizer, ion-exchange and film tenderizer at present.Medicament softening
Method is suitable for the small situation of water consumption, and high expensive is run when water consumption is big, makes answering for water due to joined chemical substance
With being greatly limited.Ion exchange softening method complex process equipment, needs to consume a large amount of acid or salt is cooked regenerative agent, cost
It is relatively high.Power consumption is larger in film tenderizer operational process, and water producing cost is higher.Ion-exchange and film tenderizer all need
Relatively complicated preprocessing process is wanted, to mitigate the pollution that resin or membrane material are subject in main process, ion exchange makes water
Middle sodium ion etc. increases.
Existing softening technology processing cost is high, is badly in need of a kind of economy and goes underground water scale technique.The common earth's surface in China
Water source total hardness meets " standards for drinking water quality ", but common, the existing processing of the dissatisfied complaint of the masses caused by scale
Technology, complicated and huge processing system need to be built in water factory, and processing cost is high.And show dissolving calcium from existing research achievement
Magnesium ion does not make significant difference to human body, seeks the technology for economically removing underground water scale, for improve drinking water sense organ and
It is extremely important that calcium carbonate potential problems are drunk in elimination, main to collect up to the present both at home and abroad about drinking water hardness treatment research
In reduced in technique in total hardness, and, no mature technology and equipment rare to scale, that is, temporary hardness research.Therefore the present invention
It puts forth effort on and seeks a kind of simple and easy, and cost quite cheap processing method removes temporary hardness.
Summary of the invention
For the problem that current drinking water temporary hardness is big, easy fouling, the purpose of the present invention is to provide one kind removably
Be lauched the method and device thereof of temporary hardness, from go water removal in HCO3 -And CO3 2-Angle set out, it is temporary hard in water to reduce
Degree reduces the generation of scale, and using air and has CO2The water of gas mixes, and makes the air bubble generated by the CO in water2Gas
Body takes the water surface out of.
In order to realize that above-mentioned task, the present invention take following technical solution:
A method of removal underground water temporary hardness obtains raw water and mixed in hydrochloric acid dissolved with CO2The water of gas, dissolved with
CO2The water of gas and air carry out mixing wastewater with air and obtain the water steeped containing tiny air, the tiny air bubble in water with it is molten in water
The CO of solution2Gas, which combines to emerge, makes CO2It escapes into atmosphere with tiny air bubble by the CO in water2Gas removal.
Specifically, dissolved with CO2The water of gas and the mixed volume ratio of air are 1:6.
More specifically, the size of the diameter of tiny air bubble is 0.5~5mm.
The device for realizing the method for the removal underground water temporary hardness is blown including catchmenting of setting gradually from top to bottom
De- area and gas-water mixing zone connect catchment stripping area and gas-water mixing zone setting gas-water mixer, and raw water and acid are in mixing wastewater with air
Area is mixed to get dissolved with CO2The water of gas, dissolved with CO2The water of gas is sent to after mixing in gas-water mixer with air to catchment
Stripping area, the CO dissolved in the tiny air bubble and water in water2Gas combines to emerge in the stripping area that catchments makes CO2With small
Air bubble escapes into the CO in water in atmosphere2Gas removal.
Specifically, the gas-water mixing zone includes the gas chamber of the sealing set gradually from top to bottom and the water chamber of sealing,
Gas-water mixer successively includes air water diffuser, mixing wastewater with air section and air inlet inlet segment from top to bottom；Sky is continuously filled in gas chamber
Gas, water chamber are continuously filled with the mixing liquid of raw water and acid, air and mixing liquid and are pressed into mixing wastewater with air section, warp through air inlet inlet segment
Air-water mixture after mixing wastewater with air section is sufficiently mixed is diffused into the stripping area that catchments through air water diffuser.
More specifically, the gas-water mixer includes air water diffuser cap and the gas that is connected to air water diffuser cap from top to bottom
Water mixing tube is coaxially disposed mixing wastewater with air wheel close to the end of air water diffuser cap in mixing battery, remote in mixing battery
Air inlet inlet opening is arranged along the length direction of mixing battery in end from air water diffuser cap on the tube wall of mixing battery.
In addition, mixing battery periphery setting installation set casing, installation set casing be outer diameter from end to middle part by
Decrescence small shell.
Further, the height of the gas chamber and water chamber ratio be 6:1, air inlet inlet opening gas chamber connection area with into
Gas inlet opening is 6:1 in the connection area ratio of water chamber.
The stripping pond in addition, the stripping area setting of catchmenting is catchmented, the top in stripping pond of catchmenting is arranged finger-type slot and catchments
Aperture of catchmenting is arranged in slot, the edge of finger-type slot, and the lower part of catch basin is connected to outlet pipe.
Advantages of the present invention are as follows:
(1) the invention firstly uses acid and the HCO in water3 -And CO3 2-The CO of dissolution is generated after reaction2Gas, then will be molten
There is CO2The water of gas mixes with air to obtain the water containing tiny air bubble, the tiny air bubble in water and the CO in water2Gas
In conjunction with and emerge to by the CO in water2Gas removal, while also can increase the dissolved oxygen in water, method of the invention is not
Only the hardness in water is cleverly eliminated, while the dissolved oxygen in water can also be improved, conducive to the health of human body；
(2) device of realization the method for the invention, consists of two parts, including air distribution and water distribution part and stripping catchment
Part, air distribution and water distribution part are added raw water for hydrochloric acid and sufficiently react, and the water after completing reaction enters air water room and forms water layer, together
When air water room entered by air inlet pipe by the air of blower blows form gas-bearing formation；Gas and water catchment in stripping partially passes through air water
Mixer, which is sufficiently mixed, generates micro-bubble under the shearing of mixing wastewater with air wheel at the same time, and micro-bubble is in uphill process
In with the CO that is dissolved in water2It is combined into air pocket, these air pockets rise to the water surface to make CO2Ease is into air；
(3) the gas-water mixer structure in the present invention is simple, and mixing wastewater with air effect is good, can be processed into finished product, and air water is mixed
Clutch material of main part is easily bought and cheap, and pool capacity is smaller, keeps the air distribution and water distribution in air water room more uniform, and it is temporary to improve water outlet
When hardness removal rate；Occupied area is small, can build interior in, and no toxic and harmful gas generates, convenient for management, capital cost
It is small；Used hydrochloric acid belongs to common medicament, easily buys, easily configures, adding less, operating cost is low.
Detailed description of the invention
Fig. 1 is the front section view of the device of removal underground water temporary hardness of the invention, and arrow is water (flow) direction in figure；
Fig. 2 is the cut away left side view of Fig. 1；
Fig. 3 is the overhead sectional view of Fig. 1, and arrow is water (flow) direction in figure；
Fig. 4 is the front view of gas-water mixer of the invention；
Fig. 5 is bottom view of the mixing wastewater with air wheel of gas-water mixer in mixing battery；
Each label indicates in figure are as follows: 1- catchment stripping area, 11- catchment stripping pond, 12- finger-type slot, 121- catchment aperture,
13- catch basin, 14- outlet pipe；
2- gas-water mixing zone, 21- water chamber, 211- water inlet pipe, the first inlet valve of 212-, 213- static mixer, 214-
Two inlet valves, 215- acid inlet tube, 216- acid inlet valve, 22- gas chamber, 221- air inlet pipe, 222- intake valve, 23- manhole, 24- are solid
Fixed board pillar, 25- gas-water mixer fixed plate, 26- fixed plate supporting beam；
3- gas-water mixer, A- air water diffuser, B- mixing wastewater with air section, C- air inlet inlet segment, 31- air water diffuser cap, 32-
Mixed wheel mounting rack, 33- mixing wastewater with air wheel, 34- mixing battery, 35- air inlet inlet opening, 36- install set casing；
The present invention is illustrated below in conjunction with specification drawings and specific embodiments.
Specific embodiment
The method of removal underground water temporary hardness of the invention, including raw water and mixed in hydrochloric acid are obtained dissolved with CO2Gas
Water, dissolved with CO2The water and air of gas carry out mixing wastewater with air and obtain the water steeped containing tiny air, the tiny air bubble in water
With the CO dissolved in water2Gas, which combines to emerge, makes CO2It escapes into atmosphere with tiny air bubble by the CO in water2Gas is gone
It removes；Dissolved with CO2The water of gas and the mixed volume ratio of air are 1:6；The size of the diameter of tiny air bubble is 0.5~5mm, water
In tiny air bubble with water in CO2Gas is combined and is emerged thus by the CO in water2Gas removal, while can also increase
Add the dissolved oxygen in water, method of the invention not only cleverly eliminates the hardness in water, while can also improve molten in water
Oxygen is solved, conducive to the health of human body.
In conjunction with Fig. 1-5, the device of the method for the removal underground water temporary hardness is realized, including successively set from top to bottom
Catchment stripping area 1 and the gas-water mixing zone 2 set connect catchment stripping area 1 and the setting gas-water mixer 3 of gas-water mixing zone 2, raw water
It is mixed to get in gas-water mixing zone 2 dissolved with CO with acid2The water of gas, dissolved with CO2The water and air of gas are in gas-water mixer 3
Send the stripping area 1 that catchments after mixing to, the CO dissolved in the tiny air bubble and water in water2Gas combines floating in the stripping area that catchments
The water surface makes CO out2It escapes into atmosphere with tiny air bubble by the CO in water2Gas removal.
Gas-water mixing zone 2 includes the gas chamber 22 of the sealing set gradually from top to bottom and the water chamber 21 of sealing, mixing wastewater with air
Device 3 successively includes air water diffuser A, mixing wastewater with air section B and air inlet inlet segment C from top to bottom；It is continuously filled with air in gas chamber 22,
Water chamber 21 is continuously filled with the mixing liquid of raw water and acid, air and mixing liquid and is pressed into mixing wastewater with air section B through air inlet inlet segment C,
Air-water mixture after mixing wastewater with air section B is sufficiently mixed is diffused into through air water diffuser A to catchment in stripping area 1.
Specific structure, gas-water mixer 3 include air water diffuser cap 31 and are connected to air water diffuser cap 31 from top to bottom
Mixing battery 34 is coaxially disposed mixing wastewater with air wheel 33 close to the end of air water diffuser cap 31 in mixing battery 34, in gas
End of the water mixing tube 34 far from air water diffuser cap 31 along mixing battery 34 length direction mixing battery 34 tube wall
Upper setting air inlet inlet opening 35, air inlet inlet opening be elongated strip hole, can be arranged on mixing battery multiple air inlets into
Water hole, the height ratio for being determined as gas chamber and water chamber according to gas-water ratio is 6:1；Mixing wastewater with air wheel passes through across in mixing battery
Mixed wheel mounting rack be fixed in mixing battery.
The gas chamber 22 and water chamber 21 of gas-water mixing zone 2 are two individually sealing rooms, and gas-water mixer 3 passes through 22 He of gas chamber
Water chamber 21 is fastened on the roof of gas chamber 22, in the periphery of mixing battery 34 setting installation set casing 36, installs set casing 36
For the shell that outer diameter is gradually reduced from end to middle part, shape is similar to " hourglass " shape, and gas-water mixer 3 is in installation set casing 36
Diameter minimum at be stuck on the roof of gas chamber 22, the roof of gas chamber 22 is also referred to as gas-water mixer fixed plate 25, mixing wastewater with air
Device fixed plate 25 is supported by fixed plate pillar 24, and fixed plate supporting beam is arranged in gas-water mixer fixed plate 25
26, enhance the fastness of support plate, the air inlet inlet segment C of gas-water mixer 3 makes air inlet inlet opening 35 across the roof of water chamber 21
Water chamber 21, which can be connected to, can also be connected to gas chamber 22.
Air in the gas chamber 22 of gas-water mixing zone 2 in the air inlet pipe 221 and air inlet pipe 221 that are connected to gas chamber 22 by setting
The intake valve 222 set controls the size for being passed through air mass flow；Water chamber 21 by the water inlet pipe 211 that is connected to water chamber 21 by raw water with
Acid mixing liquid be passed through water chamber 21, set gradually on water inlet pipe 211 first inlet valve 212, static mixer 213 and second into
Water valve 214 is connected to acid inlet tube 215 on the pipeline between the second inlet valve 214 and static mixer 213, sets on acid inlet tube 215
Acid inlet valve 216 is set, the same side of gas-water mixing zone 2 is arranged in the air inlet pipe 221 and water inlet pipe 211 of gas chamber 22 and water chamber 21,
Manhole 23, the convenient maintenance to gas chamber 22, water chamber 21 and gas-water mixer 3 is arranged in the other side of gas-water mixing zone 2.
The setting of stripping area 1 of catchmenting is catchmented stripping pond 11, the top setting finger-type slot 12 and catch basin 13 in stripping pond 11 of catchmenting,
Aperture 121 of catchmenting is arranged in the edge of finger-type slot 12, and the lower part of catch basin 13 is connected to outlet pipe 14.
The process of the specific processing water of apparatus of the present invention includes:
Raw water is connect by water inlet pipe 211 with acid inlet tube 215, and hydrochloric acid is added in raw water by acid inlet tube 215, acid inlet valve
216 be check valve, and the hydrochloric acid and raw water for being added to water inlet pipe 211 are sufficiently mixed in static mixer 213, makes to react HCO3 -+H+=H2O+CO2↑ sufficiently carry out, so as to cause CO in water2The content of gas increases, and water at this time is dissolved with CO2The water of gas.
Dissolved with CO2The water of gas enters water chamber 21, enters gas chamber 22 by air inlet pipe 221 by the air of air blower bulging,
Air inlet pipe 221 is equipped with intake valve 222.Air and dissolved with CO2The water of gas is sufficiently mixed and is produced by gas-water mixer 3
Raw micro-bubble, reaching this effect is realized by the unique hydraulics of gas-water mixer 3.Such as 5 institute of attached drawing 4 and attached drawing
Show, the lower end of gas-water mixer 3 be it is closed, lower end be equipped with 4 identical elongateds air inlet inlet opening 35, gas and water can only be from these
Four air inlet inlet openings 35 enter, into gas-water mixer 35 gas and water in the process flowed up along mixing battery 34
In will drive 33 high speed rotation of mixing wastewater with air wheel and mix gas and water and generate micro-bubble.Mixed air water expands by air water
Dissipate cap 31 be uniformly distributed to catchment in stripping pond 11, gas-water mixer 3 generate micro-bubble in uphill process with dissolution
CO in water2It is combined into air pocket, these air pockets rise to the water surface to make CO2Ease is into air.Deviate from CO2Water by
Aperture 121 of catchmenting enters in finger-type slot 12, and the water after finger-type slot 12 is collected enters in catch basin 13, finally defeated by outlet pipe 14
It is sent to subsequent processing units.
Claims (5)
1. realizing the device of the method for removal underground water temporary hardness, which is characterized in that the method for removal underground water temporary hardness
Including obtaining raw water and mixed in hydrochloric acid dissolved with CO2The water of gas, dissolved with CO2The water of gas carries out mixing wastewater with air with air and obtains
Water containing tiny air bubble, the CO dissolved in the tiny air bubble and water in water2Gas, which combines to emerge, makes CO2With small
Air bubble escapes into the CO in water in atmosphere2Gas removal；Dissolved with CO2The water of gas and the mixed volume ratio of air are 1:6；
The size of the diameter of the tiny air bubble is 0.5~5mm；
Device includes catchment stripping area (1) and the gas-water mixing zone (2) set gradually from top to bottom, and stripping area (1) is catchmented in connection
Gas-water mixer (3) are set with gas-water mixing zone (2), raw water and acid are mixed to get in gas-water mixing zone (2) dissolved with CO2Gas
Water, dissolved with CO2The water of gas is sent to catchment stripping area (1) after mixing in gas-water mixer (3) with air, small in water
The CO dissolved in air bubble and water2Gas emerges in stripping area (1) combination of catchmenting makes CO2It is escaped into tiny air bubble big
By the CO in water in gas2Gas removal；
The gas-water mixing zone (2) include the sealing set gradually from top to bottom gas chamber (22) and sealing water chamber (21),
Gas-water mixer (3) successively includes air water diffuser (A), mixing wastewater with air section (B) and air inlet inlet segment (C) from top to bottom；
Air is continuously filled in gas chamber (22), water chamber (21) is continuously filled with the mixing liquid of raw water and acid, air and mixing liquid
It is pressed into mixing wastewater with air section (B) through air inlet inlet segment (C), the air-water mixture after mixing wastewater with air section (B) is sufficiently mixed is through air water
Diffuser (A) is diffused into catchment stripping area (1)；
The height ratio of the gas chamber (22) and water chamber (21) is 6:1.
2. device as described in claim 1, which is characterized in that the gas-water mixer (3) includes that air water expands from top to bottom
The mixing battery (34) for dissipating cap (31) and being connected to air water diffuser cap (31) is spread in mixing battery (34) close to air water
The end of cap (31) is coaxially disposed mixing wastewater with air wheel (33), on the end edge of mixing battery (34) far from air water diffuser cap (31)
Air inlet inlet opening (35) are arranged in the length direction of mixing battery (34) on the tube wall of mixing battery (34).
3. device as claimed in claim 2, which is characterized in that in the periphery of mixing battery (34) setting installation set casing
(36), installation set casing (36) is the shell that outer diameter is gradually reduced from end to middle part.
4. it is according to claim 2 realize removal underground water temporary hardness method device, which is characterized in that air inlet into
Water hole (35) is 6:1 in the connection area ratio of water chamber (21) in the connection area of gas chamber (22) and air inlet inlet opening (35).
5. device as described in claim 1, which is characterized in that stripping pond (11) are catchmented in described stripping area (1) setting of catchmenting,
It catchments top setting finger-type slot (12) and catch basin (13) in stripping pond (11), aperture of catchmenting is arranged in the edge of finger-type slot (12)
(121), the lower part of catch basin (13) is connected to outlet pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217896.8A CN105776582B (en) | 2016-04-08 | 2016-04-08 | A kind of method and device thereof removing underground water temporary hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217896.8A CN105776582B (en) | 2016-04-08 | 2016-04-08 | A kind of method and device thereof removing underground water temporary hardness |
Publications (2)
| Publication Number | Publication Date |
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| CN105776582A CN105776582A (en) | 2016-07-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009101250A (en) * | 2006-07-11 | 2009-05-14 | Makoto Minamidate | Fine bubble generating apparatus |
| CN204529359U (en) * | 2015-02-12 | 2015-08-05 | 中国地震局地壳应力研究所 | De-gassing vessel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009101250A (en) * | 2006-07-11 | 2009-05-14 | Makoto Minamidate | Fine bubble generating apparatus |
| CN204529359U (en) * | 2015-02-12 | 2015-08-05 | 中国地震局地壳应力研究所 | De-gassing vessel |
Non-Patent Citations (1)
| Title |
|---|
| 去除地下水暂时硬度方法研究;吴东升等;《供水技术》;20160229;第10卷(第1期);第14-18页第1-3节 * |
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