CN205133296U - Dense water of high salt softens system - Google Patents

Dense water of high salt softens system Download PDF

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Publication number
CN205133296U
CN205133296U CN201520902857.2U CN201520902857U CN205133296U CN 205133296 U CN205133296 U CN 205133296U CN 201520902857 U CN201520902857 U CN 201520902857U CN 205133296 U CN205133296 U CN 205133296U
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CN
China
Prior art keywords
filter
order reaction
treatment mechanism
tubular
dense water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520902857.2U
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Chinese (zh)
Inventor
陈天升
梁炳臣
胡晓飞
王云龙
史金龙
于辰
强彤起
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Hebei Boruida Numerical Control Technology Co Ltd
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Hebei Boruida Numerical Control Technology Co Ltd
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Priority to CN201520902857.2U priority Critical patent/CN205133296U/en
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Publication of CN205133296U publication Critical patent/CN205133296U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Dense water of high salt softens system, including pre -treatment mechanism, tubular filtration treatment mechanism, mud storage tank and filter press, pre -treatment mechanism is become with the second order reaction bank of cells by the first order reaction groove of series connection, tubular filtration treatment mechanism includes concentrated groove, tubular filter and filtration water tank, the import of concentrated groove communicates with each other with the second order reaction groove, the export of concentrated groove communicates with each other with the tubular filter, the tubular filter has a dense water reflux pipeline, the tubular filter export links to each other with filtration water tank, dense water reflux pipeline communicates with each other through a pipeline and mud storage tank, the mud storage tank links to each other with filter press, filter press's liquid outlet communicates with each other with pre -treatment mechanism's first order reaction groove. The utility model discloses a tubular filtration membrane carries out cross -flow to the dense water of high salt and filters, has shortened the wastewater treatment process flow, reduces the medicament and throws the variety that adds and throw the dosage, reduces area, and comprehensive cost descends greatly.

Description

The dense water softening system of high salt
Technical field
The utility model relates to water-treatment technology field, is specifically related to the dense water softening system of a kind of high salt.
Background technology
High-salt wastewater refers to the waste water of total saliferous massfraction at least 1%. and it is mainly from the collection processing etc. of chemical plant and oil and natural gas. and this waste water contains many kinds of substance (comprising salt, oil, organic heavy metal and radioactive substance).The way of production of brine waste is extensive, and the water yield also increases year by year.The impact that organic pollutant in removal saline sewage causes environment is most important.The device technique flow process of the dense water of the high salt of process traditional is at present complicated, and need the operations such as precipitation, filtration, ultrafiltration and reverse osmosis, the additive that needs add is wide in variety and dosage large, and floor space is excessive in addition, causes integrated operation high cost.
Utility model content
The utility model provides the dense water softening system of a kind of high salt, to solve the problem that flow process is complicated, occupation of land is large and processing cost is high that prior art exists.
The utility model solves the technical scheme that its technical problem adopts:
The dense water softening system of a kind of high salt, comprise pre-treatment mechanism, tubular filter processing mechanism, mud storage tank and plate-and-frame filter press, pre-treatment mechanism is made up of the first order reaction groove be connected in series and second order reaction groove, tubular filter processing mechanism comprises thickener, pipe filter and filtering trough, thickener import communicates with second order reaction groove, thickener outlet communicates with pipe filter, pipe filter has a concentrate recirculation pipeline, pipe filter outlet is connected with filtering trough, concentrate recirculation pipeline is communicated with mud storage tank by a pipeline, mud storage tank is connected with plate-and-frame filter press, the liquid exit of plate-and-frame filter press communicates with the first order reaction groove of pre-treatment mechanism.
Above-mentioned pipe filter has fluid cross-flow structure, built-in some filtering membranes.
The principle of work of this device: through the local water source of suitable pre-treatment (filtration, chlorination etc.) as water inlet, lifting enters pre-treatment mechanism, sodium hydroxide and lime is added in first order reaction groove, pH is elevated to more than 11.0, form the throw out of calcium carbonate and magnesium hydroxide, carry silicon-dioxide simultaneously and form co-precipitation; Continue to supplement in second order reaction groove and add sodium hydroxide to maintain the pH value of about 10.5 to continue precipitation of calcium carbonate, two reactive tanks carry out mechanical stirring and pH monitoring respectively, the hardness components such as the calcium magnesium in water are made to form precipitation, in the thickener that reacted water overflows to tubular filter processing mechanism, be transported to pipe filter with recycle pump and carry out solid-liquid separation.Now the water of large discharge circulates between thickener and pipe filter, part film is then sent to filtering trough short through water (being equal to the water yield of input), pH is adjusted back the rear section of neutrality as production unit water or the water inlet as subsequent disposal such as reverse osmosis.
Meanwhile, pipe filter also produces a certain amount of concentrated solution (mud), needs to be sent to sludge dewatering system, and after plate-and-frame filter press dehydration, dehydrated sludge cake outward transport or directly landfill, disengaging water is then back to system front end and again processes.(first mud generating capacity depends on the water yield and influent quality calcium ions and magnesium ions concentration especially wherein, and next depends on the type of institute's adding medicine, such as adds lime and naturally can bring calcium ion into, can form more mud; If again such as in order to silica removal needs to add magnesium salts, so these magnesium salts also can form corresponding insolubles naturally, finally become mud)
Consider into water generally containing certain organism, a kind of technique of feasible organics removal is add appropriate Powdered Activated Carbon in reactive tank simultaneously, Powdered Activated Carbon relative to particle charcoal specific surface area and loading capacity higher, corresponding consumption is less, and existing reactive tank and stirrer equipment can be used, without the need to arranging activated charcoal filter specially.Need mixing stirring device (burgy dissolving tank) and conveying chemicals dosing plant (pneumatic diaphragm pump is as circulation medicine system) of Powdered Activated Carbon for this reason.
The utility model adopts tubular filter film to carry out cross-flow filtration to the dense water of high salt, shortens sewage treatment technology process, and reduce kind and the dosage of adding of agent, reduce floor space, comprehensive cost declines greatly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is schematic flow sheet of the present utility model.
1 pre-treatment mechanism, 2 tubular filter processing mechanisms, 11 first order reaction grooves, 12 second order reaction grooves, 21 thickeners, 22 pipe filters, 23 filtering troughs, 3 mud storage tanks, 4 plate-and-frame filter press in figure.
Embodiment
As shown in the figure, the dense water softening system of a kind of high salt, comprise pre-treatment mechanism 1, tubular filter processing mechanism 2, mud storage tank 3 and plate-and-frame filter press 4, pre-treatment mechanism 1 is made up of the first order reaction groove 11 be connected in series and second order reaction groove 12, tubular filter processing mechanism 2 comprises thickener 21, pipe filter 22 and filtering trough 23, thickener 21 import communicates with second order reaction groove 12, thickener 21 outlet communicates with pipe filter 22, pipe filter 22 has a concentrate recirculation pipeline, pipe filter 22 exports and is connected with filtering trough 23, concentrate recirculation pipeline is communicated with mud storage tank 3 by a pipeline, mud storage tank 3 is connected with plate-and-frame filter press 4, the liquid exit of plate-and-frame filter press 4 communicates with the first order reaction groove 11 of pre-treatment mechanism, pipe filter 22 has fluid cross-flow structure, built-in some filtering membranes.
The principle of work of this device: through the local water source of suitable pre-treatment (filtration, chlorination etc.) as water inlet, lifting enters pre-treatment mechanism, sodium hydroxide and lime is added in first order reaction groove, pH is elevated to more than 11.0, form the throw out of calcium carbonate and magnesium hydroxide, carry silicon-dioxide simultaneously and form co-precipitation; Continue to supplement in second order reaction groove and add sodium hydroxide to maintain the pH value of about 10.5 to continue precipitation of calcium carbonate, two reactive tanks carry out mechanical stirring and pH monitoring respectively, the hardness components such as the calcium magnesium in water are made to form precipitation, in the thickener that reacted water overflows to tubular filter processing mechanism, be transported to pipe filter with recycle pump and carry out solid-liquid separation.Now the water of large discharge circulates between thickener and pipe filter, part film is then sent to filtering trough short through water (being equal to the water yield of input), pH is adjusted back the rear section of neutrality as production unit water or the water inlet as subsequent disposal such as reverse osmosis.
Meanwhile, pipe filter also produces a certain amount of concentrated solution (mud), needs to be sent to sludge dewatering system, and after plate-and-frame filter press dehydration, dehydrated sludge cake outward transport or directly landfill, disengaging water is then back to system front end and again processes.(first mud generating capacity depends on the water yield and influent quality calcium ions and magnesium ions concentration especially wherein, and next depends on the type of institute's adding medicine, such as adds lime and naturally can bring calcium ion into, can form more mud; If again such as in order to silica removal needs to add magnesium salts, so these magnesium salts also can form corresponding insolubles naturally, finally become mud)
Consider into water generally containing certain organism, a kind of technique of feasible organics removal is add appropriate Powdered Activated Carbon in reactive tank simultaneously, Powdered Activated Carbon relative to particle charcoal specific surface area and loading capacity higher, corresponding consumption is less, and existing reactive tank and stirrer equipment can be used, without the need to arranging activated charcoal filter specially.Need mixing stirring device (burgy dissolving tank) and conveying chemicals dosing plant (pneumatic diaphragm pump is as circulation medicine system) of Powdered Activated Carbon for this reason.

Claims (2)

1. the dense water softening system of high salt, it is characterized in that comprising pre-treatment mechanism, tubular filter processing mechanism, mud storage tank and plate-and-frame filter press, pre-treatment mechanism is made up of the first order reaction groove be connected in series and second order reaction groove, tubular filter processing mechanism comprises thickener, pipe filter and filtering trough, thickener import communicates with second order reaction groove, thickener outlet communicates with pipe filter, pipe filter has a concentrate recirculation pipeline, pipe filter outlet is connected with filtering trough, concentrate recirculation pipeline is communicated with mud storage tank by a pipeline, mud storage tank is connected with plate-and-frame filter press, the liquid exit of plate-and-frame filter press communicates with the first order reaction groove of pre-treatment mechanism.
2. the dense water softening system of high salt according to claim 1, is characterized in that pipe filter has fluid cross-flow structure, built-in some filtering membranes.
CN201520902857.2U 2015-11-14 2015-11-14 Dense water of high salt softens system Expired - Fee Related CN205133296U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520902857.2U CN205133296U (en) 2015-11-14 2015-11-14 Dense water of high salt softens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520902857.2U CN205133296U (en) 2015-11-14 2015-11-14 Dense water of high salt softens system

Publications (1)

Publication Number Publication Date
CN205133296U true CN205133296U (en) 2016-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520902857.2U Expired - Fee Related CN205133296U (en) 2015-11-14 2015-11-14 Dense water of high salt softens system

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107445334A (en) * 2017-08-06 2017-12-08 陕西蔚蓝节能环境科技集团有限责任公司 A kind of reverse osmosis concentrated water softening removes silicon treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107445334A (en) * 2017-08-06 2017-12-08 陕西蔚蓝节能环境科技集团有限责任公司 A kind of reverse osmosis concentrated water softening removes silicon treatment process

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160406

Termination date: 20181114