CN202139132U - Heavy metal treatment micro-filtration system - Google Patents

Heavy metal treatment micro-filtration system Download PDF

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Publication number
CN202139132U
CN202139132U CN201120242368U CN201120242368U CN202139132U CN 202139132 U CN202139132 U CN 202139132U CN 201120242368 U CN201120242368 U CN 201120242368U CN 201120242368 U CN201120242368 U CN 201120242368U CN 202139132 U CN202139132 U CN 202139132U
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China
Prior art keywords
reaction tank
heavy metal
microfiltration systems
output terminal
dense
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Expired - Fee Related
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CN201120242368U
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Chinese (zh)
Inventor
张燕厚
梁继业
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GUANGDONG VICDI TECHNOLOGY CO., LTD.
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Dongguan Vicdi Film Science & Technology Co Ltd
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Abstract

The utility model discloses a heavy metal treatment micro-filtration system, which comprises a heavy metal concentrated water pretreatment system and a pipe type micro-filtration system. The heavy metal concentrated water pretreatment system comprises a first reaction tank, a second reaction tank, a concentrated water tank and a sludge treatment system. The first reaction tank and the second reaction tank are both connected to a mixing device, and the first reaction tank is provided with a heavy metal concentrated water input end. An output end of the first reaction tank is connected to an input end of the second reaction tank, an output end of the second reaction tank is connected to an input end of the concentrated water tank which is provided with a supernate output end located at the upper portion and a sludge output end located at the lower portion, and the sludge output end is connected to the sludge treatment system. An input end of the pipe type micro-filtration system is connected to a supernate output end of a sedimentation tank, a high pressure pump is disposed on a pipeline between the concentrated water tank and the pipe type micro-filtration system, and the pipe type micro-filtration system is provided with a filtered fluid output end and a concentrated solution output end which is connected to the concentrated water tank.

Description

Heavy metal is handled microfiltration systems
Technical field
The utility model relates to the sewage treatment equipment art, refers in particular to a heavy metal species and handles microfiltration systems.
Background technology
At present, the waste water that contains heavy metal of discharging in the Industrial processes such as smelting ore deposit, machinofacture, chemical industry, electronics, instrument is that environmental pollution the most seriously and to the mankind endangers one of maximum trade effluent, and its water quality and quantity is relevant with production technique.Can adopt embrane method to handle during generally to the processing of heavy metal wastewater thereby, and embrane method mainly contain electrodialysis and reverse osmosis method in handling.Electrodialytic characteristics are that cycles of concentration is limited, must be through multistage electrodialysis process, but could be concentrated to useful matter in the waste water degree of reuse; Reverse osmosis method is used to handle electroplate rinsing wastewaters such as nickel plating, copper facing, zinc-plated, cadmium plating.Electroosmotic drainage and reverse osmosis method to nickel, copper, zinc, the isoionic clearance of cadmium mostly greater than 99%; Therefore heavy metal wastewater thereby just can concentrate and the reuse heavy metal through reverse-osmosis treated; Reverse osmosis water (product water) but also reuse when quality is good; But reverse osmosis membrane generally is used for producing high-quality tap water, the non-height of its price, and life-time service increases cost for wastewater treatment.
Application number is that 200920180176.4 utility model discloses a kind of heavy metal containing wastewater treatment system, and the improvements of this patent are the stepped successively arrangement of each structures from top to bottom, though total system can utilize overflow to accomplish; But structures will be through stirring in overflow, and PH is regulated in dosing; Add processes such as flocculation agent; The control in the pharmaceutical quantities during this, level of response, reaction times needs well to control, and when the water yield is unstable, can not get a desired effect.
The utility model content
In view of this; The utility model is to the disappearance of prior art existences, and its main purpose provides heavy metal species processing microfiltration systems, and it can effectively remove pollutents such as nickel in the waste water, zinc, copper, lead, chromium; Removal efficient is high, and can reach concentrating and the reuse effect of heavy metal.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
One heavy metal species is handled microfiltration systems, it is characterized in that: comprise heavy metal dense water pretreatment system and tubular type microfiltration systems;
The dense water pretreatment of this heavy metal system comprises first reaction tank, second reaction tank, dense pond and sludge treating system; This first reaction tank is provided with the dense water input terminus of heavy metal; And the output terminal of this first reaction tank connects the input terminus of second reaction tank; The output terminal of this second reaction tank connects the input terminus in dense pond, and this dense pond has superposed supernatant output terminal and the mud output terminal that is positioned at the bottom, and this mud output terminal is connected in the sludge treating system;
The input terminus of this tubular type microfiltration systems is connected with the supernatant output terminal of settling tank; And the pipeline between dense pond and tubular type microfiltration systems is provided with HPP; This tubular type microfiltration systems has filtered liq output terminal and liquid concentrator output terminal, and this liquid concentrator output terminal is connected in the dense pond.
Preferably, the stepped successively arrangement in said first reaction tank, second reaction tank and dense pond.
Preferably, said tubular type microfiltration systems mainly is to adopt the tube type filter membrance of cross flow filter to constitute by several, and this tube type filter membrance is shaggy fluorocarbon.
Preferably, further include in the said tubular type microfiltration systems and clean post and intake valve, this cleans post and all is connected with tube type filter membrance with intake valve.
Preferably, the sludge treatment device in the said sludge treating system is a plate-and-frame filter press.
After the utility model adopts technique scheme; Its beneficial effect is, realizes that through heavy metal dense water pretreatment system and the two cooperation of tubular type microfiltration systems heavy metal wastewater thereby is carried out chemical precipitation to be handled, and carries out micro-filtration to unprecipitated liquid and handles; And advance to such an extent that dewatering and recovery is handled to sedimentary mud; Reach the removal effect of heavy metal contaminants such as nickel in the waste water, zinc, copper, lead, chromium and solid particulate, the removal efficient of pollutent is high, and the heavy metal recovering effect is good.In addition, tube type filter membrance can clean with the pharmaceutical chemicals that passes through, and life-time service need not to change, thereby effectively reduces the processing cost of waste water.
Be constitutional features and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the utility model process flow sheet.
The accompanying drawing identifier declaration:
10, the dense water pretreatment of heavy metal system
11, first reaction tank
12, second reaction tank
13, dense pond
14, sludge treating system
15, whipping appts
16, chemical medicinal cupping
20, tubular type microfiltration systems
21, power-driven pump.
Embodiment
As shown in Figure 1; It has demonstrated the concrete structure of the embodiment of the utility model; This heavy metal is handled microfiltration systems and is comprised heavy metal dense water pretreatment system and tubular type microfiltration systems, and this heavy metal pretreatment system 10 mainly is made up of first reaction tank 11, second reaction tank 12, dense pond 13 and sludge treating system 14.
Particularly; Be connected with sewage inlet on this first reaction tank 11; The dense water of heavy metal is injected in first reaction tank 11 through sewage inlet, and also is connected with chemical medicinal cupping 16 on this first reaction tank, when the dense water of heavy metal reaches a certain amount of; Select different chemical agents according to different water quality, and regulate pH value.And be outside equipped with whipping appts in this first reaction tank, the axle of band blade extend in the dense water of heavy metal and stirs in this whipping appts, so that the dense water of chemical agent and heavy metal fully reacts, generates deposition.In the present embodiment, said chemical agent is instigated the sedimentary deposition factor of the dense water generates of heavy metal.
Said second reaction tank 12 is positioned at by first reaction tank, 11 sides; Visit second reaction tank and also be connected with chemical medicinal cupping 16; It is low that these second reaction tank, 12 residing geographical position can be compared to first reaction tank 11 most, forms ladder with first reaction tank 11 and arrange, so that the dense water of heavy metal in first reaction tank 11 can inject this second reaction tank 12 naturally; Certainly, also can the dense water of heavy metal in first reaction tank 11 be injected in second reaction tank 12 through power-driven pump or alternate manner.When the dense water of heavy metal in second reaction tank 12 reaches a certain amount of, to select chemical agent according to different water quality, and regulate pH value, this second reaction tank also is provided with whipping appts outward, so that chemical reaction is more abundant, further generates deposition.In the present embodiment, described chemical agent is HCl and NaOH.
Said dense pond 13 is close to second reaction tank 12 and is provided with; It is low that the geography in this dense pond 13 cans be compared to second reaction tank 12 highly most; Forming ladder with second reaction tank 12 arranges; So that the dense water of heavy metal in second reaction tank 12 can inject this dense pond 13 through the mode of overflow, certainly, also can the sewage in second reaction tank 12 be injected in the dense pond 13 through power-driven pump or alternate manner.The dense water of heavy metal precipitates in this dense pond, and mud is formed on the bottom that throw out sinks to dense pond 13, and liquid floats over the top formation supernatant in dense pond 13 on then.The upper end in said dense pond 13 is provided with the supernatant outlet end, is provided with dirty pond outlet end in the bottom in dense pond 13, and the pipeline of outlet end is provided with sludge pump in dirty pond, and this sludge pump is regularly beaten away the mud of 13 bottoms, dense pond and is sent in the sludge treating system 14.
Said sludge treating system 14 has a plate-and-frame filter press; Its sludge pump with 13 bottoms, aforementioned dense pond links to each other; And the mud of being sent here by sludge pump carried out processed; Mud solid content after the dehydration contains the plurality of heavy metal material greater than 70% in the sewage sludge solid, these heavy metal substances can be used for Treatment for Reuse.
Said tubular type microfiltration systems 20 mainly is to adopt the tube type filter membrance of cross flow filter to constitute by several, and the number of this tube type filter membrance can design according to water quality and quantity; The cross flow filter technology makes fenestra be difficult for stopping up, and membrane flux is big, good filtration effect.The minimum-value aperture of this tube type filter membrance can reach 0.05 micron, thereby can effectively diameter be come out at the granule sieving more than 0.05 micron.The tube type filter membrance material preferably adopts shaggy fluorocarbon, and this material has the obstruction of being difficult for, wear-resistant, corrosion resistant characteristic, is beneficial to clean the fouling on this film with acid-base solution; Because this tube type filter membrance is the publicly-owned technology of convention, does not add at this and gives detailed description.In the utility model; One end of this tubular type microfiltration systems 20 joins through the supernatant outlet end of water inlet pipe and 13 upper ends, aforementioned dense pond, is provided with a power-driven pump 21 in this water inlet pipe, also is provided with a concentrated water drainage on this tubular type microfiltration systems 20 and goes out an end and a filtered liq outlet end; This concentrated water drainage goes out end and is provided with the dense water pipe that joins with dense pond; This dense water pipe is provided with valve, and this filtered liq outlet end directly is discharged to filtered water in the municipal wastewater pipe network, also can advance a bit to handle the back and reclaim.During normal the operation; Said power-driven pump 21 is got to the tube type filter membrance surface continuously with supernatant; Form a high speed velocity of shear, the pressure of liquid orders about certain water through fenestra, and the particle bigger than membrane pore size tackled with liquid concentrator and got back in the dense pond 13 through dense water pipe.
In addition; On this tubular type microfiltration systems 20, also include by cleaning the back-purge system that bumper post and intake valve are formed, this back-purge system is connected with the automation controller of PLC programming; This back-purge system cooperates the velocity of shear of aforementioned power-driven pump 21 to realize backwash in per 10 to 15 minutes once with compressed-air actuated mode; Avoid alluvial of tube type filter membrance hole and obstruction and limited flow rate, the assurance system is continuous, and it is stable to produce water.Yet As time goes on, solia particle still can be in the cumulative of tube type filter membrance, limited flow rate; When flow velocity be reduced to clean film flow velocity 30~40% the time, can shut down tube type filter membrance is isolated, clean with acid-base solution again; In the present embodiment, remove bacterium with Youxiaolin earlier, clean dirt with hydrochloric acid again; Tube type filter membrance after the cleaning can improve circulation speed once more, and does not influence the life-span of film, avoids dismounting and changes personnel and the material cost of bringing.
The principle of work of native system is that the water inlet that contains deliquescent metal gets into first reaction tank 11; And the chemical agent generation precipitated metal thing different according to different water quality addings; Then the water outlet of first reaction tank 11 gets into second reaction tank 12, selects chemical agent, regulates the pH value according to different water quality, and further generate deposition; The water outlet of second reaction tank 12 gets into the mud that dense pond deposition 13 forms bilevel supernatant; Mud is fed in the sludge treating system 14 and further handles through plate-and-frame filter press, and supernatant is fed in the tubular type microfiltration systems 20, reaches the effect of solid-liquid separation through cross flow filter; Produce water and be discharged to the municipal wastewater pipe network or further handle the back recovery, dense water cycle is returned the solid-liquid separation of carrying out tubular type microfiltration systems 20 after dilute in dense pond 13 again and is handled.
The design focal point of the utility model is; Realize that through heavy metal dense water pretreatment system and the two cooperation of tubular type microfiltration systems heavy metal wastewater thereby is carried out chemical precipitation to be handled; Unprecipitated liquid is carried out micro-filtration handle, and advance to such an extent that dewatering and recovery is handled, reach the removal effect of heavy metal contaminants such as nickel in the waste water, zinc, copper, lead, chromium and solid particulate sedimentary mud; The removal efficient of pollutent is high, and the heavy metal recovering effect is good.In addition, tube type filter membrance can clean with the pharmaceutical chemicals that passes through, and life-time service need not to change, thereby effectively reduces the processing cost of waste water.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.

Claims (6)

1. a heavy metal species is handled microfiltration systems, it is characterized in that: comprise heavy metal dense water pretreatment system and tubular type microfiltration systems;
The dense water pretreatment of this heavy metal system comprises first reaction tank, second reaction tank, dense pond and sludge treating system; All be connected with whipping appts on said first reaction tank and second reaction tank; And this first reaction tank is provided with the dense water input terminus of heavy metal; And the output terminal of this first reaction tank connects the input terminus of second reaction tank; The output terminal of this second reaction tank connects the input terminus in dense pond, and this dense pond has superposed supernatant output terminal and the mud output terminal that is positioned at the bottom, and this mud output terminal is connected in the sludge treating system;
The input terminus of this tubular type microfiltration systems is connected with the supernatant output terminal of settling tank; And the pipeline between dense pond and tubular type microfiltration systems is provided with HPP; This tubular type microfiltration systems has filtered liq output terminal and liquid concentrator output terminal, and this liquid concentrator output terminal is connected in the dense pond.
2. heavy metal according to claim 1 is handled microfiltration systems, it is characterized in that: the stepped successively arrangement in said first reaction tank, second reaction tank and dense pond.
3. heavy metal according to claim 1 is handled microfiltration systems, it is characterized in that: said tubular type microfiltration systems mainly is to adopt the tube type filter membrance of cross flow filter to constitute by several, and this tube type filter membrance is shaggy fluorocarbon.
4. heavy metal according to claim 3 is handled microfiltration systems, it is characterized in that: further include in the said tubular type microfiltration systems and clean post and intake valve, this cleans post and all is connected with tube type filter membrance with intake valve.
5. heavy metal according to claim 1 is handled microfiltration systems, and it is characterized in that: the sludge treatment device in the said sludge treating system is a plate-and-frame filter press.
6. heavy metal according to claim 1 is handled microfiltration systems, and it is characterized in that: said first reaction tank all is connected with chemical medicinal cupping with second reaction tank.
CN201120242368U 2011-07-11 2011-07-11 Heavy metal treatment micro-filtration system Expired - Fee Related CN202139132U (en)

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CN201120242368U CN202139132U (en) 2011-07-11 2011-07-11 Heavy metal treatment micro-filtration system

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Application Number Priority Date Filing Date Title
CN201120242368U CN202139132U (en) 2011-07-11 2011-07-11 Heavy metal treatment micro-filtration system

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103274560A (en) * 2013-06-04 2013-09-04 苏州南风优联环保工程有限公司 Zero discharging process of heavy metal wastewater
CN103819022A (en) * 2014-02-27 2014-05-28 南昌航空大学 High-efficiency solid-liquid separation device
CN104609589A (en) * 2013-11-04 2015-05-13 南京源泉环保科技股份有限公司 Solid-liquid separation method of electroplating wastewater
CN106477762A (en) * 2015-09-01 2017-03-08 约瑟夫·安德鲁·兰德 Industrial concentrated water sofening treatment technique based on DF tubular membrane and system
CN107814446A (en) * 2017-12-02 2018-03-20 天津海普尔膜科技有限公司 A kind of electroplating wastewater integrative processing equipment
CN113620454A (en) * 2020-05-08 2021-11-09 无锡蓝湾资源再生科技有限公司 Tubular microfiltration membrane treatment system for copper-containing wastewater

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103274560A (en) * 2013-06-04 2013-09-04 苏州南风优联环保工程有限公司 Zero discharging process of heavy metal wastewater
CN103274560B (en) * 2013-06-04 2016-03-23 苏州南风优联环保工程有限公司 Heavy metal wastewater thereby technique of zero discharge
CN104609589A (en) * 2013-11-04 2015-05-13 南京源泉环保科技股份有限公司 Solid-liquid separation method of electroplating wastewater
CN103819022A (en) * 2014-02-27 2014-05-28 南昌航空大学 High-efficiency solid-liquid separation device
CN106477762A (en) * 2015-09-01 2017-03-08 约瑟夫·安德鲁·兰德 Industrial concentrated water sofening treatment technique based on DF tubular membrane and system
CN107814446A (en) * 2017-12-02 2018-03-20 天津海普尔膜科技有限公司 A kind of electroplating wastewater integrative processing equipment
CN113620454A (en) * 2020-05-08 2021-11-09 无锡蓝湾资源再生科技有限公司 Tubular microfiltration membrane treatment system for copper-containing wastewater

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: GUANGDONG WEIDA TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: DONGGUAN VICDI FILM SCIENCE + TECHNOLOGY CO., LTD.

CP03 Change of name, title or address

Address after: 523000 Guangdong province Dongguan city Humen town village unity Avenue Guangdong industrial zone / Polytron Technologies Inc

Patentee after: GUANGDONG VICDI TECHNOLOGY CO., LTD.

Address before: 523000 Guangdong province Dongguan city Humen town village unity Avenue in Dongguan City Industrial Zone vicdi Membrane Technology Co. Ltd

Patentee before: Dongguan Vicdi Film Science & Technology Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120208

Termination date: 20190711

CF01 Termination of patent right due to non-payment of annual fee