CN104925989A - Micro-flocculation and ultrafiltration integrated water treatment equipment - Google Patents
Micro-flocculation and ultrafiltration integrated water treatment equipment Download PDFInfo
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- CN104925989A CN104925989A CN201510261013.9A CN201510261013A CN104925989A CN 104925989 A CN104925989 A CN 104925989A CN 201510261013 A CN201510261013 A CN 201510261013A CN 104925989 A CN104925989 A CN 104925989A
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Abstract
The invention relates to micro-flocculation and ultrafiltration integrated water treatment equipment which comprises a water feeding and dosing chamber, a cross flow ultrafiltration chamber and an electric control chamber, wherein the water feeding and dosing chamber comprises at least one dosing tank and a flocculation reaction tank; chemicals in the dosing tank are added to the flocculation reaction tank by virtue of an automatic dosing component, and a micro-flocculation reaction is carried in the flocculation reaction tank; a rotary membrane turn plate is arranged in the cross flow ultrafiltration chamber; and ultrafiltration treatment is carried out by virtue of the rotary membrane turn plate. According to the integrated water treatment equipment disclosed by the invention, the rotary membrane turn plate is subjected to dynamic rotating operation and is loaded with a hydrophilic flat sheet membrane which is high in performance, high in strength and anti-fouling; through the unique dynamic rotating operation of the component, concentration polarization, temperature difference polarization, salt crystallization, scaling, gel layer, organic pollution and the like which are easy to be formed in a membrane distilling process can be effectively avoided, so as to reduce membrane pollution and to prolong the cleaning cycle and the service life of the distilling membrane component; and the entire set of equipment is simple, convenient in operation, stable and efficient, and the equipment can be used for a long time without the frequent changing of filter materials.
Description
Technical field
The invention belongs to membrane sepn field, be specifically related to a kind of tiny flocculation and ultrafiltration integrated water treatment equipment.
Background technology
Flocculating Settling Technology and ultra-filtration technique are all the technology of widespread use in water technology.In tradition water technology, coagulant precipitation technology is all as pre-treatment link, and ultra-filtration technique is an important step of water depth process, therebetween total needs other water technologies a lot, can not direct correlation.Often contain suspended substance and the microorganisms such as colloidal impurity and bacterium, fungi, algae, virus such as silt particle, clay, soil ulmin in natural water body and sewage, they have the stability of-Ding in water, are the major causes causing water body muddiness, color and peculiar smell.For efficient these impurity of removing fast, obtain the water object of required purposes water quality, need a kind of equipment of simple and reliable, safety and stability.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of tiny flocculation and ultrafiltration integrated water treatment equipment, flocculation and ultrafiltration two kinds of technology combine by this equipment, simple and reliable, safety and stability, easy to use, for water treatment provides more choices.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of tiny flocculation and ultrafiltration integrated water treatment equipment, it comprises and adds coyote hole, cross-flow ultrafiltration room and Electronic control room into water, described water inlet adds coyote hole, all through connection between cross-flow ultrafiltration room and Electronic control room, it is characterized in that, described water inlet adds coyote hole and comprises at least one dosing tank and flocculation reaction groove, medicine joins in described flocculation reaction groove by Automatic Dosing assembly by the medicine in described dosing tank, carries out tiny flocculation reaction at described flocculation reaction groove; Be provided with rotary film rotating disk in described cross-flow ultrafiltration room, carry out uf processing by described rotary film rotating disk.
In a preferred embodiment of the present invention, comprise further, described rotary film rotating disk comprises some groups of single-unit rotating disks, and described single-unit center of turntable is through quill shaft, described quill shaft drives it to rotate by drive-motor, and described single-unit rotating disk drives it to rotate by described quill shaft.
In a preferred embodiment of the present invention, comprise further, described single-unit rotating disk comprises some rotation cross-current type hydrophilic film assemblies, described rotation cross-current type hydrophilic film assembly comprises some hollow membrane constituent elements, described hollow membrane constituent element both sides are provided with wetting ability flat plate ultrafiltration membrane, and described hollow membrane constituent element is connected with described quill shaft.
In a preferred embodiment of the present invention, comprise further, described wetting ability flat plate ultrafiltration membrane comprise following in one or more: PTFE, PES, PVDF and PP.
In a preferred embodiment of the present invention, comprise further, the two ends of described quill shaft are equipped with bearing and sealing member, one end of described quill shaft connects described drive-motor, the other end of described quill shaft is connected with rising pipe, described rising pipe extends through described Electronic control room by described cross-flow ultrafiltration room, and described rising pipe is provided with out water pump and outlet valve.
In a preferred embodiment of the present invention, comprise further, each dosing tank is all connected with a set of Automatic Dosing assembly, and described Automatic Dosing assembly comprises the dosing pump and Adding medicine control valve that are linked together by pipeline, by described dosing pump and the Automatic Dosing of Adding medicine control valve.
In a preferred embodiment of the present invention, comprise further, the import of described dosing pump is connected with described dosing tank, described dosing pump outlet is connected with line mixer by pipeline, described Adding medicine control valve is arranged in the middle of described dosing pump and line mixer, the outlet of described line mixer is connected with described flocculation reaction groove by pipeline, and described flocculation reaction groove is connected with described cross-flow ultrafiltration room by overflow weir.
In a preferred embodiment of the present invention, comprise further, described line mixer is also connected with intake pump by pipeline, is provided with water inlet control valve and under meter between described intake pump and described line mixer.
In a preferred embodiment of the present invention, comprise further, be provided with mudhole bottom described cross-flow ultrafiltration room, described sewage draining exit is provided with wash water valve; Be provided with liquidometer in described cross-flow ultrafiltration room, detect the liquid level in described cross-flow ultrafiltration room by described liquidometer.
In a preferred embodiment of the present invention, comprise further, be provided with electric control gear in described Electronic control room, described electric control gear is connected with Adding medicine control valve, water inlet control valve, wash water valve and outlet valve with data line by wire.
The invention has the beneficial effects as follows:
One, water treating equipment of the present invention are in water treatment procedure, former water is by tiny flocculation-ultrafiltration technology, suspended substance in efficient these water of removing fast, can 100% be reached to the theoretical rejection of suspended substance, obtain the water of required purposes water quality, for common surface water, after this device processes, add ultraviolet sterilization, can directly reach tap water standard.
Two, the program control rotating operation of wetting ability rotary film rotating disk in water treating equipment of the present invention, the centrifugal force that motion produces, flow shear and strong current turbulence, the self-cleaning on film surface can be realized, effectively avoid the impact of concentration polarization and temperature difference polarization, reduce the pollution of salt-pepper noise, fouling, gel coat and organism etc., the cleaning interval of membrane component and prolong and work-ing life.
Three, the core membrane module of water treating equipment of the present invention is changed conveniently, and simultaneously because membrane module adopts plastic support, thus the antiseptic property of equipment is excellent.
Four, the integrated level of water treating equipment of the present invention is high, and simple structure is solid and reliable, easy cleaning easy care, and stdn of can maximizing is produced in batches.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of water treating equipment of the present invention.
Fig. 2 is rotary film turntable structure schematic diagram of the present invention.
Fig. 3 is the structural representation of rotation cross-current type hydrophilic film assembly of the present invention.
Wherein, 1-water inlet adds coyote hole, 2-cross-flow ultrafiltration room, 3-Electronic control room, 11-intake pump, 12-water inlet control valve, 13-dosing tank, 14-dosing pump, 15-Adding medicine control valve, 16-under meter, 17-line mixer, 18-flocculation reaction groove, 19-overflow weir, 21-drive-motor, the rotary film rotating disk of 22-, 23-liquidometer, 24-wash water valve, 31-goes out water pump, 32-outlet valve, 33-electric control gear, 34-rising pipe, 220-quill shaft, 221-single-unit rotating disk, 222-rotates cross-current type hydrophilic film assembly, 223-hollow membrane constituent element, 224-wetting ability flat plate ultrafiltration membrane, 225-sealing member, 226-bearing.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, a kind of tiny flocculation and ultrafiltration integrated water treatment equipment is disclosed in the present embodiment, it comprises and adds coyote hole 1, cross-flow ultrafiltration room 2 and Electronic control room 3 into water, above-mentioned water inlet adds coyote hole 1, all through connection between cross-flow ultrafiltration room 2 and Electronic control room 3, and above-mentioned equipment integration is integrated, be tiny flocculation and ultrafiltration combined water treatment equipment.
Add in coyote hole 1 in above-mentioned water inlet and enter sewage and tiny flocculation is carried out in dosing, then enter into cross-flow ultrafiltration room 2 and carry out uf processing, the electric control gear 19 in Electronic control room 3 is by the whole equipment of PLC time variable control.
Above-mentioned water inlet adds coyote hole 1 and comprises at least one dosing tank 13 and flocculation reaction groove 18, and medicine joins in above-mentioned flocculation reaction groove 18 by Automatic Dosing assembly by the medicine in above-mentioned dosing tank 13, carries out tiny flocculation reaction at above-mentioned flocculation reaction groove.
In the present embodiment, each dosing tank 13 is all connected with a set of Automatic Dosing assembly, and above-mentioned Automatic Dosing assembly comprises the dosing pump 14 and Adding medicine control valve 15 that are linked together by pipeline, by above-mentioned dosing pump 14 and Adding medicine control valve 15 Automatic Dosing.
The import of above-mentioned dosing pump 14 is connected with above-mentioned dosing tank 13, above-mentioned dosing pump 14 is exported and is connected with line mixer 17 by pipeline, above-mentioned Adding medicine control valve 15 is arranged in the middle of above-mentioned dosing pump 14 and line mixer 17, the outlet of above-mentioned line mixer 17 is connected with above-mentioned flocculation reaction groove 18 by pipeline, and above-mentioned flocculation reaction groove 18 is connected with above-mentioned cross-flow ultrafiltration room 2 by overflow weir 19.
Above-mentioned line mixer 17 is also connected with intake pump 11 by pipeline, be provided with water inlet control valve 12 and under meter 16 between above-mentioned intake pump 11 and above-mentioned line mixer 17, controlled to the former water water yield in above-mentioned line mixer 17 by above-mentioned water inlet control valve 12 and under meter 16.And reflux to prevent former water and be provided with vacuum breaker on the outlet pipeline of intake pump 11.
As Figure 2-3, in above-mentioned cross-flow ultrafiltration room 2, carry out uf processing, in above-mentioned cross-flow ultrafiltration room, be provided with rotary film rotating disk 22, carry out uf processing by above-mentioned rotary film rotating disk 22.
Concrete, above-mentioned rotary film rotating disk 22 comprises some groups of single-unit rotating disks 221, and above-mentioned single-unit center of turntable is through quill shaft 220, and above-mentioned quill shaft 220 drives it to rotate by drive-motor 21, and above-mentioned single-unit rotating disk 221 drives it to rotate by above-mentioned quill shaft 220.
Above-mentioned single-unit rotating disk 221 comprises some rotation cross-current type hydrophilic film assemblies 222, above-mentioned rotation cross-current type hydrophilic film assembly 222 comprises some hollow membrane constituent elements 223, above-mentioned hollow membrane constituent element 223 both sides are provided with wetting ability flat plate ultrafiltration membrane 224, and above-mentioned hollow membrane constituent element 223 is connected with above-mentioned quill shaft 220.The two ends of above-mentioned quill shaft 220 are equipped with bearing 226 and sealing member 225, one end of above-mentioned quill shaft 220 connects above-mentioned drive-motor 21, the other end of above-mentioned quill shaft 21 is connected with rising pipe 34, above-mentioned rising pipe 34 extends through above-mentioned Electronic control room 3 by above-mentioned cross-flow ultrafiltration room 2, and above-mentioned rising pipe 34 is provided with out water pump 31 and outlet valve 32.
In the present embodiment, above-mentioned wetting ability flat plate ultrafiltration membrane 224 can select the filter membrane of following material: PTFE, PES, PVDF and PP, and also can select other material filter membrane, this is not restricted.
Be provided with mudhole bottom above-mentioned cross-flow ultrafiltration room 2, above-mentioned sewage draining exit is provided with wash water valve 24, controls blowdown in cross-flow ultrafiltration room 2 by wash water valve 24; Be provided with liquidometer 23 in above-mentioned cross-flow ultrafiltration room 2, detect the liquid level in above-mentioned cross-flow ultrafiltration room 2 by above-mentioned liquidometer 23.
Further, be provided with electric control gear 33 in above-mentioned Electronic control room 3, above-mentioned electric control gear 33 is connected with Adding medicine control valve 7, water inlet control valve 12, wash water valve 24 and outlet valve 32 with data line by wire.Control Adding medicine control valve 7, water inlet control valve 12, wash water valve 24 and outlet valve 32 by above-mentioned electric control gear 33 to work.
The workflow of the equipment in the present embodiment: intake pump connects former water extraction for drawing water power at water-in by pipeline, intake pump water outlet is connected with line mixer import by pipeline, centre is provided with water inlet control valve and under meter adjust flux, vacuum breaker is provided with for preventing refluence, dosing pump import is connected with dosing tank by pipeline, dosing pump outlet is connected with line mixer import by pipeline, and centre is provided with Adding medicine control valve regulation flocculation agent chemical feeding quantity.Former water fully mixes in line mixer with flocculation agent, and line mixer outlet is connected with flocculation reaction groove by pipeline, and mixed solution fully reacts in flocculation reaction groove.Flocculation reaction groove is connected with cross-flow ultrafiltration room by overflow weir, and reacted mixed solution enters cross-flow ultrafiltration room by overflow weir, in cross-flow ultrafiltration room, carry out ultrafiltration.
Embodiment 2
Embodiment 2 carries out water treatment with the equipment in embodiment 1.
Carry out project pilot scale by certain petrochemical plant biochemical aeration processed waste water, main water quality characteristics is: pH 7.3, SS2243mg/L.In experimentation, rotating cross-current type hydrophilic film assembly speed of rotation is 80rpm, and membrane flux remains on 25 ~ 35L/h.m
2, the active sludge reuse retained.The pH 7.1, SS producing water does not detect, and colourity is 0.
Rotary film rotating disk of the present invention adopts dynamic rotary to run, and it loads the wetting ability flat sheet membrane that high-performance, high strength, anti-soil are stifled; Due to the rotation dynamic operation of assembly uniqueness, effectively can avoid the concentration polarization of easily formation in membrane distillation process, temperature difference polarization, salt-pepper noise, fouling, gel coat and Organic pollutants etc., decrease fouling membrane, extend cleaning interval and the work-ing life of distillation film component; Whole plant is simple, easy to operate, stability and high efficiency, can life-time service, does not need frequently to change filter material.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a tiny flocculation and ultrafiltration integrated water treatment equipment, it comprises and adds coyote hole, cross-flow ultrafiltration room and Electronic control room into water, described water inlet adds coyote hole, all through connection between cross-flow ultrafiltration room and Electronic control room, it is characterized in that, described water inlet adds coyote hole and comprises at least one dosing tank and flocculation reaction groove, medicine joins in described flocculation reaction groove by Automatic Dosing assembly by the medicine in described dosing tank, carries out tiny flocculation reaction at described flocculation reaction groove; Be provided with rotary film rotating disk in described cross-flow ultrafiltration room, carry out uf processing by described rotary film rotating disk.
2. a kind of tiny flocculation according to claim 1 and ultrafiltration integrated water treatment equipment, it is characterized in that, described rotary film rotating disk comprises some groups of single-unit rotating disks, described single-unit center of turntable is through quill shaft, described quill shaft drives it to rotate by drive-motor, and described single-unit rotating disk drives it to rotate by described quill shaft.
3. a kind of tiny flocculation according to claim 2 and ultrafiltration integrated water treatment equipment, it is characterized in that, described single-unit rotating disk comprises some rotation cross-current type hydrophilic film assemblies, described rotation cross-current type hydrophilic film assembly comprises some hollow membrane constituent elements, described hollow membrane constituent element both sides are provided with wetting ability flat plate ultrafiltration membrane, and described hollow membrane constituent element is connected with described quill shaft.
4. a kind of tiny flocculation according to claim 3 and ultrafiltration integrated water treatment equipment, is characterized in that, described wetting ability flat plate ultrafiltration membrane comprise following in one or more: PTFE, PES, PVDF and PP.
5. a kind of tiny flocculation according to claim 2 and ultrafiltration integrated water treatment equipment, it is characterized in that, the two ends of described quill shaft are equipped with bearing and sealing member, one end of described quill shaft connects described drive-motor, the other end of described quill shaft is connected with rising pipe, described rising pipe extends through described Electronic control room by described cross-flow ultrafiltration room, and described rising pipe is provided with out water pump and outlet valve.
6. a kind of tiny flocculation according to claim 1 and ultrafiltration integrated water treatment equipment, it is characterized in that, each dosing tank is all connected with a set of Automatic Dosing assembly, described Automatic Dosing assembly comprises the dosing pump and Adding medicine control valve that are linked together by pipeline, by described dosing pump and the Automatic Dosing of Adding medicine control valve.
7. a kind of tiny flocculation according to claim 6 and ultrafiltration integrated water treatment equipment, it is characterized in that, the import of described dosing pump is connected with described dosing tank, described dosing pump outlet is connected with line mixer by pipeline, described Adding medicine control valve is arranged in the middle of described dosing pump and line mixer, the outlet of described line mixer is connected with described flocculation reaction groove by pipeline, and described flocculation reaction groove is connected with described cross-flow ultrafiltration room by overflow weir.
8. a kind of tiny flocculation according to claim 7 and ultrafiltration integrated water treatment equipment, is characterized in that, described line mixer is also connected with intake pump by pipeline, is provided with water inlet control valve and under meter between described intake pump and described line mixer.
9. a kind of tiny flocculation according to claim 1 and ultrafiltration integrated water treatment equipment, is characterized in that, be provided with mudhole bottom described cross-flow ultrafiltration room, described sewage draining exit is provided with wash water valve; Be provided with liquidometer in described cross-flow ultrafiltration room, detect the liquid level in described cross-flow ultrafiltration room by described liquidometer.
10. according to a kind of tiny flocculation described in claim 1-9 any one and ultrafiltration integrated water treatment equipment, it is characterized in that, be provided with electric control gear in described Electronic control room, described electric control gear is connected with Adding medicine control valve, water inlet control valve, wash water valve and outlet valve with data line by wire.
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| CN108706686A (en) * | 2018-05-29 | 2018-10-26 | 苏州膜海分离技术有限公司 | Batch-type flocculation-hyperfiltration treatment technique of micro-polluted water |
| CN111302517A (en) * | 2020-02-27 | 2020-06-19 | 中国科学院生态环境研究中心 | Device and method for retarding membrane pollution |
| CN113044928A (en) * | 2021-05-31 | 2021-06-29 | 金科环境股份有限公司 | Ultra-filtration micro-flocculation precise dosing control method and system |
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Application publication date: 20150923 |