CN1246448A

CN1246448A - Process for purifying high-turbidity water and equipment thereof

Info

Publication number: CN1246448A
Application number: CN 99114372
Authority: CN
Inventors: 吴紫城
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-08-11
Filing date: 1999-08-11
Publication date: 2000-03-08
Anticipated expiration: 2019-08-11
Also published as: CN1107656C

Abstract

A process for purifying high-turbility water is especially suitable for the water supply works (water works), and includes such steps as pumping the high-turbility water from water source to silt separator, separating out granular silt from water, filtering by ultra filtration membrane filter and reverse osmosis treating to obtain high-quality water. Its purifying equipment is composed of machine frame, water pump, silt separator, ultrafilter and reverse osmosis apparatus.

Description

Process for purifying high-turbidity water and equipment thereof

What the present invention relates to is the purifier apparatus of a kind of ultra's processing and purification process and processing and purifying employing.Be specially adapted to water-supply plant (waterworks) and produce tap water in this way, draining factory carries out sewage disposal.

The waterworks produces the tap water typical process and will pass through flocculation for entering water factory in the water suction with river band turbidity such as the Changjiang river or the Yellow River at present, precipitation, filter, annotate the chlorine supervisor, this Technology has following weak point: 1, production cycle is long, flocculation, precipitation needs the regular hour, 2, be subjected to weather effect big, the clear water that sinks in the settling tank when raining heavily can become muddy, 3, occupation area of equipment is big, flocculation, precipitation, filtering all needs certain floor space, 4, daily consumption is arranged: for example spray flocculation agent and chlorine, 5, to the heavy metal contamination in the rivers water, Organic pollutants are handled as yet.

The objective of the invention is to exist weak point that a kind of process for purifying high-turbidity water and equipment thereof are provided at present tap water production technique, ultra through process for purifying high-turbidity water and the processing of purification process device thereof can reduce to low-down level with ultra's turbidity, adopt the technology of reverse osmosis membrane that the various inorganicss in the water, organism, virus, bacterium are rejected, produce pure water.

Process for purifying high-turbidity water and equipment thereof take following scheme to realize: ultra's purification process is:

1, from water source sucking-off and supercharging, input silt particle separator makes the ultra have certain pressure to the employing water pump with the ultra, and pressure range is 2～6kg/cm ²

2, the silt particle separator separates eliminating with the big or middle particle silt particle among the ultra.Ultra with certain pressure enters along the tangent line flow deflector tangential direction on the top of silt particle separator at a high speed, silt particle is under action of centrifugal force among the ultra, be thrown on the silt particle shell separator inwall, along moving under the spiral race alignment, so because great bottom that in the process under the screw, is deposited in gradually of the ratio of silt particle, silt particle separator wash water valve is often opened during the equipment operation, silt particle is discharged from the bottom, current are then because the fluid continuity principle, rise near the spiral medullary ray of silt particle separator, flow out from silt particle separator center water pipe.Roughly all can remove more than big-and-middle-sized silt particle particle 20 μ in the branch of silt particle separator is dried up.

3, will filter by the ultrafiltration membrance filter device through the turbidity water that the silt particle separator was handled, turbidity water flows through ultra-filtration membrane all to be removed all suspended substances and bacterium in the water, and the turbidity in the water can be reduced to below 1 degree at this moment.

4, pure water is handled:

Handle through reverse osmosis unit through ultrafiltration membrance filter device treated water above-mentioned, various inorganicss in the water, organism, virus, bacterium are rejected, produce pure water, looking the water quality situation can install security personnel's strainer additional in the reverse osmosis unit prime, and the water that the ultrafiltration membrance filter device is come out enters the reverse osmosis unit processing again after the filtration of fine filtering core in security personnel's strainer.

Ultra's purifier apparatus is made of frame, water pump, silt particle separator, ultrafiltration membrance filter device, reverse osmosis unit.Water pump links to each other with the silt particle separator by pipeline, water pump links to each other with Yuan Shui (ultra) by pipeline, with ultra's sucking-off supercharging, send into the silt particle separator, the silt particle separator has housing, former water water inlet pipe is arranged at housing top, and housing top is provided with the tangent line flow deflector near water pipe water-in inwall, lower unit has supporting plate in the housing, supporting plate has the garden arc surface, and the housing internal upper part is provided with rising pipe, and housing bottom is equipped with wash water valve.Ultrafiltration membrance filter device water inlet pipe and silt particle separator rising pipe join, and ultrafiltration membrance filter device rising pipe is connected with reverse osmosis unit, and device has ultra-filtration membrane in the ultrafiltration membrance filter device, and sewage valve is arranged at ultrafiltration membrance filter device bottom.Device has reverse osmosis membrane in the reverse osmosis unit, and wash water valve is arranged at the reverse osmosis unit bottom, and reverse osmosis unit is equipped with the pure water inlet control valve.In order further to guarantee the reverse osmosis unit works better, look the water quality situation and install security personnel's strainer additional in the reverse osmosis unit prime, in security personnel's strainer the fine filtering core is housed.

Ultra's purification process and equipment thereof can be processed into purified water with the ultra, are to adopt a kind of brand-new method and apparatus to come treating water.The present invention is applicable to water-supply plant (waterworks) production tap water, be applicable to that also draining factory carries out sewage disposal, for example oily water separation, the separation of iron filings, scum, the separation of silt particle, the recycling or the like of sanitary wastewater (kitchen water, washing water, laundry water etc.).Ultra's turbidity through the inventive method and device processes thereof can be removed the various inorganicss in the water, organism, virus, bacterium, produces the high-quality purified water for drinking that meets national standard.Ultra's purification process technological process is simple, easy to operate, good reliability, the treating plant project organization is reasonable, can be assemblied on the same frame, volume is little, in light weight, floor space is little, Installation and Debugging are easy to operate, it is fast to handle ultra's time, can move continuously, excellent popularization use value is arranged.

The invention will be further described below with reference to accompanying drawing.

Fig. 1 is a purifying high-turbidity water device structure synoptic diagram.

Fig. 2 is a silt particle cyclone separator arrangement synoptic diagram in the purifying high-turbidity water equipment.

Fig. 3 is a silt particle separator top sectional view in the purifying high-turbidity water equipment.

With reference to accompanying drawing, process for purifying high-turbidity water is: 1, employing water pump 2 from rivers, lake, the pool medium water source sucking-off and supercharging, makes the ultra have 2～6kg pressure ultra's (former water), sends into silt particle separator 4.

2, using the silt particle separator drains the big or middle particle silt particle separation among the ultra.Have the top water-in of ultra's high speed of certain pressure along the silt particle separator, because the water-in inwall is provided with tangent line flow deflector 18, ultra's high speed tangential direction enters the silt particle separator, silt particle among the ultra is under action of centrifugal force, be thrown on silt particle shell separator 6 inwalls, move downward along spiral-line, because silt particle is than great, so the process that spiral moves downward is deposited in the bottom gradually, discharge from silt particle separator bottom blow-down valve 16, the supporting plate 17 that is provided with band garden arc surface in silt particle separator bottom can be assembled current rising current, current then because the fluid continuity principle rises near the spiral medullary ray of silt particle separator, flow out from silt particle separator center rising pipe 5.The big-and-middle-sized silt particle particle of doing in the water (more than 20 μ) through the silt particle separator roughly all can be removed.

3, will filter by ultrafiltration membrance filter device 7 through the turbidity water that the silt particle separator was handled, all suspended substances and bacterium in the turbidity water are all removed, and this moment, the turbidity of water can be reduced to below 1 degree.

4, pure water is handled:

Handle through reverse osmosis unit 11 through ultrafiltration membrance filter device treated water above-mentioned, various inorganicss in the water, organism, virus, bacterium are rejected, produce pure water, look the water quality situation and can after reverse osmosis unit 11 primes install water that security personnel's strainer 9 pairs of ultrafiltration membrance filter devices come out additional further the fine filtering core filters in security personnel's strainer, enter reverse osmosis unit again and handle.

Constitute by frame 1, water pump 2, silt particle separator 4, ultrafiltration membrance filter device 7, reverse osmosis unit 11 with reference to accompanying drawing purifying high-turbidity water equipment.Water pump 2, silt particle separator 4, ultrafiltration membrance filter device 7, reverse osmosis unit 11, security personnel's strainer 9 can install on same frame 1.Water pump 2 is connected with the ultra source by pipeline, silt particle separator 4 water inlet pipes 3 are connected with water pump 2 outlets, the silt particle separator has housing 6, former water water inlet pipe 3 is arranged at housing top, housing 6 tops are provided with tangent line flow deflector 18 near water inlet pipe 3 water-in inwalls, lower unit has supporting plate 17 in the housing, supporting plate has the garden arc surface, can assemble, the rising current, makes to handle current and flow out from housing top rising pipe 5.Rising pipe 5 is located at the housing central upper portion, and wash water valve 14 is equipped with in housing 6 bottoms.Silt particle separator rising pipe 6 links to each other with ultrafiltration membrance filter device 7 water inlet pipes, device has ultra-filtration membrane 8 in the ultrafiltration membrance filter device 7, the ultra-filtration membrane device is in the film pipe, can adopt some of ceramic filtration membrane to be assembled into one group, pressure water enters in the ceramic filtration membrane hole after filtering, and water flows out from the filter membrane hole wall, filtering membrane is a kind of filter core of crossing, and it has very little aperture, can make turbidity water flow through ultra-filtration membrane and all suspended substances in the water and bacterium are all removed the turbidity that make water reduces to below 1 degree.Ultrafiltration membrance filter device 7 bottoms are equipped with sewage valve 15 and are used to get rid of the strainer effluent sewerage, ultrafiltration membrance filter device 7 rising pipes communicate with reverse osmosis unit 11 water-ins, device has reverse osmosis membrane 12 in the reverse osmosis unit, reverse osmosis unit 11 pure water outlet units have pure water discharge control valve 13, and the reverse osmosis unit lower unit has wash water valve 16.Looking the water quality situation can install security personnel's strainer 9 additional in reverse osmosis unit 11 primes, in security personnel's strainer 5 μ fine filtering cores is housed.

Claims

1, a kind of process for purifying high-turbidity water is characterized in that purification process is:

(1), the employing water pump from water source sucking-off supercharging, is imported the silt particle separator with the ultra;

(2), the silt particle separator separates eliminating with the big or middle particle silt particle among the ultra;

(3), will filter all suspended substances and removal of bacteria in the turbidity water by the ultrafiltration membrance filter device through turbidity water that the silt particle separator was handled, the turbidity of water can be reduced to below 1 degree;

(4), pure water is handled:

(a) the above-mentioned water of crossing through ultrafiltration membrane treatment is handled through reverse osmosis unit, the various inorganicss in the water, organism, virus, bacterium are rejected, produce pure water.

2, process for purifying high-turbidity water according to claim 1 is characterized in that water pump supercharging pressure scope is 2～6kg/cm ²,

3, process for purifying high-turbidity water according to claim 1, it is characterized in that looking the water quality situation can install security personnel's strainer additional in the reverse osmosis unit prime, and the water that the ultrafiltration membrance filter device is come out enters the reverse osmosis unit processing again after the filtration of fine filtering core in security personnel's strainer.

4, a kind of purifying high-turbidity water equipment, it is characterized in that treating plant is by frame, water pump, the silt particle separator, the ultrafiltration membrance filter device, reverse osmosis unit constitutes, water pump links to each other with the silt particle separator by pipeline, the silt particle separator has housing, housing top is provided with the tangent line flow deflector near water inlet pipe water-in inwall, lower unit has supporting plate in the housing, housing top is provided with rising pipe, housing bottom is equipped with wash water valve, ultrafiltration membrance filter device water inlet pipe and silt particle separator rising pipe join, ultrafiltration membrance filter device rising pipe is connected with reverse osmosis unit, and device has reverse osmosis membrane in the reverse osmosis unit.

5, purifying high-turbidity water equipment according to claim 4 is characterized in that installing security personnel's strainer additional in the reverse osmosis unit prime, in the fine filtering core is housed.