CN104150630A - Heavy metal capture device - Google Patents
Heavy metal capture device Download PDFInfo
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- CN104150630A CN104150630A CN201410411193.XA CN201410411193A CN104150630A CN 104150630 A CN104150630 A CN 104150630A CN 201410411193 A CN201410411193 A CN 201410411193A CN 104150630 A CN104150630 A CN 104150630A
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Abstract
The invention provides a heavy metal capture device, which comprises a circulating pump, the water outlet of the circulating pump is connected to a membrane module through a waste pipe, the inlet pipe of the membrane module is connected to the air inlet pipe, a clear water outlet is arranged at bottom of the membrane module, a concentrate outlet is arranged at top of the membrane module, the concentrate outlet of the membrane module is connected to the capture through the concentrate pipeline, an overflowing liquid outlet is arranged at top of the capture, the overflowing liquid outlet at top of the capture is connected to a waste water pool through the overflow pipeline, a water outlet is arranged at central section of the capture, the water outlet at central section of the capture is connected to the inlet pipeline of a circulating pump by separating a clean waterpipe, a sewage draining exit is arranged at the bottom of the capture, a sludge condensation pot is connected to the sewage draining exit through a blowing pipe, the sludge condensation pot is connected to a filter press through a press filtration pump, and the filtrate outlet of the filter press is connected to the waste water pool through a filtrate pipe. The device has the advantages of less land occupation, simple operation, high automation degree, high work efficiency, long usage life and low cost.
Description
Technical field
The invention belongs to water treatment field of Environment Protection, be specifically related to a kind of heavy metal chelating machine.
Background technology
Heavy metal refers to the metal of relative density more than 5, comprises copper, lead, zinc, tin, nickel, cobalt, antimony, mercury, cadmium and 10 kinds of metals of bismuth.They are present in environment with simple substance, chemical combination state form, and migration in environment, accumulation have just formed heavy metal contamination.Heavy metal contamination is mainly manifested in the contaminated wastewater containing heavy metal.Mechanical workout, mining, chemical industry, iron and steel and non-ferrous metal metallurgy etc. are all the main sources of heavy metal wastewater thereby.In recent years, along with industry is fast-developing, waste water discharges in a large number, water source and heavy metal in soil accumulation aggravation, and its heavy metal contamination causing is more and more serious.Due to the kind difference of heavy metal wastewater thereby, all there is larger difference in Pollutant levels, other impurity concentration and solution medium, and these factors have increased the difficulty of heavy metal containing wastewater treatment.The method of conventional process heavy metal wastewater thereby has the precipitator method, physico-chemical processes, electrochemical process and biochemical process etc., and these methods are processed heavy metal wastewater thereby and are difficult to obtain desirable effect.Just current, the conventional technique of heavy metal containing wastewater treatment as Fig. 1 be " sloping plate deposition+filtration of chemical method+coagulation " combination process, mainly there is following problem in this technique: 1, loaded down with trivial details, the complicated operation of technique, working strength are large; 2, need to add a large amount of medicaments, running cost is high, and causes secondary pollution; 3, the pH value difference that forms hydroxide colloid due to different heavy metal ion, the poor processing effect of this method, can not qualified discharge.If the emission request of waste water strictly need reach zero release, follow-uply need to carry out evaporation concentration, energy consumption is large like this, process cost is high, cost is too high.
Summary of the invention
The object of the invention is to solve the drawback that prior art exists, provide a kind of floor space little, simple to operate, level of automation is high, stable effluent quality, the membrane sepn that service efficiency is high, the life-span is long, cost is low and heavy metal wastewater treatment apparatus.
In order to realize foregoing invention object, the technical solution adopted in the present invention is: a kind of heavy metal chelating machine, comprise recycle pump, the water outlet of described recycle pump is connected with membrane module by waste pipe, the inlet channel of described membrane module is connected with inlet pipe, the bottom of described membrane module is provided with the Graceful mouth of a river, the top of described membrane module is provided with concentrated solution outlet, the concentrated solution outlet of described membrane module is connected with catcher by concentrated solution pipeline, the top of described catcher is provided with overflow box outlet, described overflow box outlet is connected with wastewater disposal basin by overflow spout, the middle part of described catcher is provided with water outlet, described water outlet is connected with recycle pump inlet channel by separating fresh water pipeline, the bottom of described catcher is provided with sewage draining exit, sewage draining exit is connected with sludge concentrating pot by blow-off line, described sludge concentrating pot is connected with pressure filter by filter pressing pump, described pressure filter is provided with filtrate outlet, described filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, wherein, described membrane module comprises columned housing, the top of described housing is provided with concentrated solution outlet, the bottom of housing is provided with the Graceful mouth of a river, the bottom of housing is provided with water-in, the bottom of the inside of housing is provided with columnar bracket, described columnar bracket is positioned at the top at the described housing bottom Graceful mouth of a river, between the outer wall of columnar bracket and housing wall, form cylindrical cavity A, the inwall of columnar bracket has surrounded cylindrical cavity B, described cylindrical cavity A is communicated with right side, the bottom water-in of described housing, the bottom of described columnar bracket contacts with inner walls sealing, between the top of columnar bracket and housing, be provided with space, the top of the columnar bracket film silk that has been fixed, the upper end that is fixed, the lower end of described film silk is floating, the inboardend of film silk is communicated with described cylindrical cavity B, the bottom of described film silk is fixed with net defence around.
On described recycle pump inlet channel, be provided with flow valve.
In the inlet pipe that the inlet channel of described membrane module connects, be provided with intake valve.
On the separation fresh water pipeline that the water outlet at the middle part of described catcher connects, be provided with throttling valve, on the blow-off line that the sewage draining exit of the bottom of described catcher connects, be provided with wash water valve, on the overflow spout that the overflow box outlet at the top of described catcher connects, be provided with surplus valve.
The bottom outside of the columnar bracket of the enclosure interior of described membrane module is sealed and is contacted by ring baffle with inner walls, the top of columnar bracket is provided with porous web plate, the top of support arranges the outstanding baffle plate to tank wall direction, and described film silk is fixed on the top of described baffle plate.
Described membrane module is external-compression type membrane module, and what it adopted is the mode of operation of air supporting and cross-flow.
Described catcher adopts gravity cyclone separator.
Described pressure filter is plate and frame(type)filter press.
The beneficial effect that the present invention produces is: the ingenious treatment process that merges external pressure membrane technique, cross-flow mode of operation, air supporting mode of operation and catcher of device provided by the present invention, make film system contamination resistance strong, stable, not only can carry out rationally processing to carry out reuse to various heavy metal wastewater therebies, and the heavy metal body refuse purity reclaiming is high, can receive the recycling of slag, realize without dirt zero release.Concrete principle is as follows: on membrane module inlet channel, be connected with inlet pipe, be provided with intake valve in inlet pipe, can regulate like this gas flow entering in membrane module, the enclosure interior bottom of membrane module is positioned at top, the Graceful mouth of a river and is provided with columnar bracket, columnar bracket outer wall and housing wall have surrounded cylindrical cavity A, columnar bracket inwall has surrounded cylindrical cavity B, wherein cylindrical cavity A is mixing wastewater with air district and is communicated with membrane module water-in, make like this gas and the heavy metal wastewater thereby that enter membrane module bottom in cylindrical cavity A, fully to mix, utilize like this stirring action of gas to prevent that suspended substance is in film surface attachment, effectively the film pollution that concentration polarization brings has even been eliminated in reduction, ensure the long-time steady operation of film, cylindrical cavity B is clear water split tunnel, make like this clear water after membrane filtration directly discharge by cylindrical cavity B, the bottom outside of columnar bracket is sealed and is contacted by ring baffle with inner walls, makes not to be communicated with between A, two cylindrical cavities of B, between the top of columnar bracket and housing, is provided with cavity, and this is the passage that air-water mixture upwards walks to enter the floating end of film silk, the top of support arranges the outstanding baffle plate to tank wall direction, film silk is fixed on the top of this baffle plate, the upper end that is fixed, the lower end of film silk is floating, the floating end that air-water mixture after mixing upwards enters film silk along the cavity between columnar bracket and housing after discharging by porous web plate filters, making like this membrane filtration in comparatively stable scope, avoid film to be subject to large fluctuation impacts, avoid waste water to pile up the film fracture causing at inboardend, and oil droplet in waste water, heavy metal precipitation particle and other suspended substances can adhere to the surface of small bubbles, rise and be with membrane system with bubble, further reducing film pollutes, and airborne carbon dioxide can react not tolerant separating out of Formed hydrochlorate fully with heavy metal ion, efficiently solve heavy metal water pollution problems, the inboardend of film silk is communicated with described cylindrical cavity B, make like this waste water fully to act on film, clear water after membrane filtration directly enters water-dilution channel from the inboardend of film bottom and directly discharges, and the inboardend of film silk is fixed with net defence around, has avoided like this swing of film silk, meanwhile, film silk, with its high-precision crown_interception, has been held back the heavy metal carbonate deposition and the hydroxide colloid that generate, has ensured the cleaning of processing water, the top of membrane module is provided with concentrated solution liquid outlet, the concentrated solution outlet of membrane module is connected with catcher by concentrated solution pipeline, makes like this concentrated solution that carries a large amount of microbubbles discharge and directly enter catcher by concentrated solution pipeline from the concentrated solution outlet at the top of membrane module, the top of catcher is provided with overflow box outlet and is connected with wastewater disposal basin by overflow spout, after making so on the one hand to enter catcher, the bubble of floating just can be by these suspended substances from overflow outlet discharge by simple overflow at the top of catcher by sticking to its surperficial greasy dirt suspended substance holder to liquid level rapidly, reduce film and pollute, the suspended substance, the greasy dirt eddy flow that make on the other hand to go out through catcher gravity cyclonic separation enter wastewater disposal basin to top overflow box outlet and do circular treatment, the surplus valve arranging on overflow spout can regulate overflowing liquid floating matter uninterrupted, the middle part of catcher is provided with water outlet and is connected with recycle pump inlet channel by separating fresh water pipeline, make like this to process isolated clear water through catcher and again get back to recycle pump and do circular treatment, further reduce heavy metal content in water outlet and ensure that the water of processing is cleaner, separate be provided with throttling valve on fresh water pipeline can adjusting water outlet flow and Controlling System pressure, catcher bottom is provided with sewage draining exit and is connected with sludge concentrating pot by blow-off line, make like this heavy metal carbonate deposition and the hydroxide colloid that deposit to catcher bottom regularly enter sludge concentrating pot, when blowdown, have the effect on system decompression and flushing membrane surface concurrently, flow valve on blow-off line can regulate blowdown flow rate size, sludge concentrating pot is connected with plate-and-frame filter press by filter pressing pump, plate-and-frame filter press is provided with filtrate outlet, this filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, make like this heavy metal waste slag in sludge concentrating pot regularly to squeeze into plate-and-frame filter press by filter pressing pump and carry out press filtration processing, the water after press filtration is got back to wastewater disposal basin by filtrate pipeline.
The present invention processes waste water with pure physical method, break traditional coagulation-settlement process, avoid adding secondary pollution and the traditional technology that the medicaments such as flocculation agent bring and deposit the series of problems such as a large amount of silts, the equal automatic operating of all flow processs of this equipment, fault detects automatically, has floor space little, simple to operate, working efficiency is high, long service life, the advantage that cost is low.
Brief description of the drawings
Fig. 1 is current heavy metal waste water treatment process schematic diagram.
Fig. 2 is structural representation of the present invention.
Fig. 3 is membrane module structure schematic diagram in the present invention.
In figure: 1, recycle pump 2, membrane module 3, catcher 4, flow valve 5, throttling valve 6, wash water valve 7, surplus valve 8, sludge concentrating pot 9, filter pressing pump 10, plate-and-frame filter press 11, filtrate pipeline 12, intake valve 13, porous web plate 14, net defence 15, cylindrical cavity A 16, cylindrical cavity B 17, ring baffle 18, baffle plate.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1
As shown in Figures 2 and 3, a kind of heavy metal chelating machine, comprise recycle pump 1, the water outlet of described recycle pump 1 is connected with membrane module 2 by waste pipe, the inlet channel of described membrane module 2 is connected with inlet pipe, the bottom of described membrane module 2 is provided with the Graceful mouth of a river, the top of described membrane module 2 is provided with concentrated solution liquid outlet, the concentrated solution outlet of described membrane module 2 is connected with catcher 3 by concentrated solution pipeline, the top of described catcher 3 is provided with overflow box outlet, described overflow box outlet is connected with wastewater disposal basin by overflow spout, the middle part of described catcher 3 is provided with water outlet, described water outlet is connected with recycle pump inlet channel by separating fresh water pipeline, the bottom of described catcher 3 is provided with sewage draining exit, sewage draining exit is connected with sludge concentrating pot 8 by blow-off line, described sludge concentrating pot 8 is connected with pressure filter 10 by filter pressing pump 9, described pressure filter 10 is provided with filtrate outlet, described filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, wherein, described membrane module 2 comprises columned housing, the top of described housing is provided with concentrated solution outlet, the bottom of housing is provided with the Graceful mouth of a river, the bottom of housing is provided with water-in, the bottom of the inside of housing is provided with columnar bracket, described columnar bracket is positioned at the top at the described housing bottom Graceful mouth of a river, between the outer wall of columnar bracket and inner walls, form cylindrical cavity A, the inwall of columnar bracket has surrounded cylindrical cavity B, described cylindrical cavity A is communicated with right side, the bottom water-in of described housing, the bottom of described columnar bracket contacts with inner walls sealing, between the top of columnar bracket and housing, be provided with space, the top of the columnar bracket film silk that has been fixed, the upper end that is fixed, the lower end of described film silk is floating, the inboardend of film silk is communicated with described cylindrical cavity B, the bottom of described film silk is fixed with net defence around.
Heavy metal wastewater thereby is supplied with recycle pump through transport pipe, the water outlet of recycle pump is connected with membrane module by waste pipe, the inlet channel of membrane module is connected with inlet pipe, the bottom of the enclosure interior of membrane module is positioned at top, the Graceful mouth of a river and is provided with columnar bracket, between the outer wall of columnar bracket and inner walls, form cylindrical cavity A, the inwall of columnar bracket has surrounded cylindrical cavity B, wherein cylindrical cavity A is mixing wastewater with air district and is communicated with membrane module water-in, first the gas and the heavy metal wastewater thereby that enter in membrane module by recycle pump outlet conduit fully mix in cylindrical cavity A, utilize the stirring action of gas to prevent that suspended substance is in film surface attachment, effectively the film pollution that concentration polarization brings has even been eliminated in reduction, ensure the long-time steady operation of film, cylindrical cavity B is clear water split tunnel, clear water after membrane filtration is directly discharged by cylindrical cavity B, the bottom outside of columnar bracket contacts with inner walls sealing, makes not to be communicated with between A, two cylindrical cavities of B, between the top of columnar bracket and housing, is provided with space, and this is the passage that air-water mixture upwards walks to enter the floating end of film silk, the upper end that is fixed, the lower end of film silk is floating, the floating end that air-water mixture after mixing upwards enters film silk along the cavity between columnar bracket and housing filters, making membrane filtration in comparatively stable scope, avoid film to be subject to large fluctuation impacts, avoid waste water to pile up the film fracture causing at inboardend, and oil droplet in waste water, heavy metal precipitation particle and other suspended substances can adhere to the surface of small bubbles, rise and be with membrane system with bubble, further reducing film pollutes, and airborne carbon dioxide can react not tolerant separating out of Formed hydrochlorate fully with heavy metal ion, efficiently solve heavy metal water pollution problems, the inboardend of film silk is communicated with described cylindrical cavity B, make like this waste water fully to act on film, clear water after membrane filtration directly enters water-dilution channel from the inboardend of film bottom and directly discharges, and the inboardend of film silk is fixed with net defence around, has avoided the swing of film silk, meanwhile, film silk, with its high-precision crown_interception, has been held back the heavy metal carbonate deposition and the hydroxide colloid that generate, has ensured the cleaning of processing water, the top of membrane module is provided with concentrated solution liquid outlet, the concentrated solution outlet of membrane module is connected with catcher by concentrated solution pipeline, and the concentrated solution that membrane module was processed like this carries a large amount of microbubbles and discharges and directly enter catcher by concentrated solution pipeline from the concentrated solution outlet at the top of membrane module, the top of catcher is provided with overflow box outlet and is connected with wastewater disposal basin by overflow spout, entering the bubble floating rapidly after catcher discharges these suspended substances by simple overflow at the top of catcher sticking to its surperficial greasy dirt suspended substance holder to liquid level from overflow outlet, reducing film pollutes, in addition, suspended substance, the greasy dirt eddy flow of processing isolated light specific gravity through catcher enter wastewater disposal basin to top overflow box outlet and do circular treatment, the middle part of catcher is provided with water outlet and is connected with recycle pump inlet channel by separating fresh water pipeline, make like this to process isolated clear water through catcher and again get back to recycle pump and do circular treatment, further reduce heavy metal content in water outlet and ensure that the water of processing is cleaner, the bottom of catcher is provided with sewage draining exit and is connected with sludge concentrating pot by blow-off line, make like this heavy metal carbonate deposition and the hydroxide colloid that deposit to catcher bottom regularly enter sludge concentrating pot, when blowdown, have the effect on system decompression and flushing membrane surface concurrently, sludge concentrating pot is connected with pressure filter by filter pressing pump, pressure filter is provided with filtrate outlet, this filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, make like this heavy metal waste slag in sludge concentrating pot regularly to squeeze into pressure filter by filter pressing pump and carry out press filtration processing, the water after press filtration by filtrate pipeline to getting back to wastewater disposal basin.
To sum up, it is little that the present invention has floor space, simple to operate, and automatization degree is high, and working efficiency is high, long service life, the advantage that cost is low.
Embodiment 2
As shown in Figures 2 and 3, a kind of heavy metal chelating machine, comprise recycle pump 1, the water outlet of described recycle pump 1 is connected with membrane module 2 by waste pipe, the inlet channel of described membrane module 2 is connected with inlet pipe, the bottom of described membrane module 2 is provided with the Graceful mouth of a river, the top of described membrane module 2 is provided with concentrated solution outlet, the concentrated solution outlet of described membrane module 2 is connected with catcher 3 by concentrated solution pipeline, the top of described catcher 3 is provided with overflow box outlet, described overflow box outlet is connected with wastewater disposal basin by overflow spout, the middle part of described catcher 3 is provided with water outlet, described water outlet is connected with recycle pump inlet channel by separating fresh water pipeline, the bottom of described catcher 3 is provided with sewage draining exit, sewage draining exit is connected with sludge concentrating pot by blow-off line, described sludge concentrating pot 8 is connected with pressure filter 10 by filter pressing pump 9, described pressure filter 10 is provided with filtrate outlet, described filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, wherein, described membrane module 2 comprises columned housing, the top of described housing is provided with concentrated solution outlet, the bottom of housing is provided with the Graceful mouth of a river, the bottom of housing is provided with water-in, the bottom of the inside of housing is provided with columnar bracket, described columnar bracket is positioned at the top at the described housing bottom Graceful mouth of a river, between the outer wall of columnar bracket and inner walls, form cylindrical cavity A, the inwall of columnar bracket has surrounded cylindrical cavity B, described cylindrical cavity A is communicated with the lower water inlet of described housing, the bottom of columnar bracket contacts with inner walls sealing, between the top of columnar bracket and housing, be provided with space, the top of the columnar bracket film silk that has been fixed, the upper end that is fixed, the lower end of described film silk is floating, the inboardend of film silk is communicated with described cylindrical cavity B, the bottom of described film silk is fixed with net defence around.
On the inlet channel of described recycle pump 1, be provided with flow valve 4.
In the inlet pipe that the inlet channel of described membrane module 2 connects, be provided with intake valve 12.
On the separation clear water pipe that the water outlet at the middle part of described catcher 3 connects, be provided with throttling valve 5, on the blow-off pipe that the sewage draining exit of the bottom of described catcher 3 connects, be provided with wash water valve 6, on the upflow tube that the overflow box outlet at the top of described catcher 3 connects, be provided with surplus valve 7.
The bottom outside of the columnar bracket of the enclosure interior of described membrane module is sealed and is contacted by ring baffle with inner walls, the top of columnar bracket is provided with porous web plate, the top of support arranges the outstanding baffle plate to tank wall direction, and described film silk is fixed on the top of described baffle plate.
Described membrane module 2 is external-compression type membrane module, and what it adopted is the mode of operation of air supporting and cross-flow.
Described catcher 3 adopts gravity cyclone separator.
Described pressure filter 10 is plate and frame(type)filter press.
Heavy metal wastewater thereby is supplied with recycle pump through transport pipe, and the water outlet of recycle pump is connected with membrane module by waste pipe, on membrane module inlet channel, is connected with inlet pipe, is provided with intake valve in inlet pipe, regulates intake valve can regulate the gas flow entering in membrane module, the enclosure interior bottom of membrane module is positioned at top, the Graceful mouth of a river and is provided with columnar bracket, between the outer wall of columnar bracket and inner walls, form cylindrical cavity A, the inwall of columnar bracket has surrounded cylindrical cavity B, wherein cylindrical cavity A is mixing wastewater with air district and is communicated with right side, the bottom water-in of housing, first the gas and the heavy metal wastewater thereby that enter in membrane module by recycle pump outlet conduit fully mix in cylindrical cavity A, utilize the stirring action of gas to prevent that suspended substance is in film surface attachment, effectively the film pollution that concentration polarization brings has even been eliminated in reduction, ensure the long-time steady operation of film, cylindrical cavity B is clear water split tunnel, clear water after membrane filtration is directly discharged by cylindrical cavity B, the bottom outside of columnar bracket is sealed and is contacted by ring baffle with inner walls, makes not to be communicated with between A, two cylindrical cavities of B, between the top of columnar bracket and housing, is provided with space, and this is the passage that air-water mixture upwards walks to enter the floating end of film silk, the top of support arranges the outstanding baffle plate to tank wall direction, film silk is fixed on the top of this baffle plate, the upper end that is fixed, the lower end of film silk is floating, the floating end that air-water mixture after mixing upwards enters film silk along the cavity between columnar bracket and housing after discharging by porous web plate under pressure filters, making membrane filtration in comparatively stable scope, avoid film to be subject to large fluctuation impacts, avoid waste water to pile up the film fracture causing at inboardend, and oil droplet in waste water, heavy metal precipitation particle and other suspended substances can adhere to the surface of small bubbles, rise and be with membrane system with bubble, further reducing film pollutes, and airborne carbon dioxide can react not tolerant separating out of Formed hydrochlorate fully with heavy metal ion, efficiently solve heavy metal water pollution problems, the inboardend of film silk is communicated with described cylindrical cavity B, make like this waste water fully to act on film, clear water after membrane filtration directly enters water-dilution channel from the inboardend of film bottom and directly discharges, and the inboardend of film silk is fixed with net defence around, has avoided the swing of film silk, meanwhile, film silk, with its high-precision crown_interception, has been held back the heavy metal carbonate deposition and the hydroxide colloid that generate, has ensured the cleaning of processing water, the top of membrane module is provided with concentrated solution liquid outlet, the concentrated solution outlet of membrane module is connected with catcher by concentrated solution pipeline, and the concentrated solution that membrane module was processed like this carries a large amount of microbubbles and discharges and directly enter catcher by concentrated solution pipeline from the concentrated solution outlet at the top of membrane module, the top of catcher is provided with overflow box outlet and is connected with wastewater disposal basin by overflow spout, entering the bubble floating rapidly after catcher discharges these suspended substances by simple overflow at the top of catcher sticking to its surperficial greasy dirt suspended substance holder to liquid level from overflow outlet, reducing film pollutes, the suspended substance of the light specific gravity going out through catcher gravity cyclonic separation in addition,, greasy dirt eddy flow enter wastewater disposal basin to top overflow box outlet and do circular treatment, the surplus valve arranging on overflow spout can regulate overflowing liquid floating matter uninterrupted, the middle part of catcher is provided with water outlet and is connected with recycle pump inlet channel by separating fresh water pipeline, make like this to process isolated clear water through catcher and again get back to recycle pump and do circular treatment, further reduce heavy metal content in water outlet and ensure that the water of processing is cleaner, separate be provided with throttling valve on fresh water pipeline can adjusting water outlet flow and Controlling System pressure, the bottom of catcher is provided with sewage draining exit and is connected with sludge concentrating pot by blow-off line, make like this heavy metal carbonate deposition and the hydroxide colloid that deposit to catcher bottom regularly enter sludge concentrating pot, when blowdown, have the effect on system decompression and flushing membrane surface concurrently, flow valve on blow-off line can regulate blowdown flow rate size, sludge concentrating pot is connected with plate-and-frame filter press by filter pressing pump, plate-and-frame filter press is provided with filtrate outlet, this filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, make like this heavy metal waste slag in sludge concentrating pot regularly to squeeze into plate-and-frame filter press by filter pressing pump and carry out press filtration processing, the water after press filtration by filtrate pipeline to getting back to wastewater disposal basin.
The key point of apparatus of the present invention is the ingenious external pressure membrane technique that merged, cross-flow mode of operation, the treatment process of air supporting mode of operation and catcher, efficiently solve the blockage problem of film, ensure the long-time steady operation of film, because membrane process itself is a physical separating process, so this device has been broken traditional coagulation-settlement process, do not need to add any flocculation agent, the series of problems such as the secondary pollution that medicament brings are avoided, can carry out rationally processing to carry out reuse to various heavy metal wastewater therebies, the heavy metal body refuse purity reclaiming is high, can receive the recycling of slag, realize without dirt zero release, and stable effluent quality, in water, heavy metal content is better than national drinking water standard.
To sum up, it is little that the present invention has floor space, simple to operate, and level of automation is high, and working efficiency is high, long service life, the advantage that cost is low.
Claims (8)
1. a heavy metal chelating machine, it is characterized in that: comprise recycle pump, the water outlet of described recycle pump is connected with membrane module by waste pipe, the inlet channel of described membrane module is connected with inlet pipe, the bottom of described membrane module is provided with the Graceful mouth of a river, the top of described membrane module is provided with concentrated solution outlet, the concentrated solution outlet of described membrane module is connected with catcher by concentrated solution pipeline, the top of described catcher is provided with overflow box outlet, described overflow box outlet is connected with wastewater disposal basin by overflow spout, the middle part of described catcher is provided with water outlet, described water outlet is connected with recycle pump inlet channel by separating fresh water pipeline, the bottom of described catcher is provided with sewage draining exit, sewage draining exit is connected with sludge concentrating pot by blow-off line, described sludge concentrating pot is connected with pressure filter by filter pressing pump, described pressure filter is provided with filtrate outlet, described filtrate outlet is connected with wastewater disposal basin by filtrate pipeline, wherein, described membrane module comprises columned housing, the top of described housing is provided with concentrated solution outlet, the bottom of housing is provided with the Graceful mouth of a river, the right side, bottom of housing is provided with water-in, the bottom of the inside of housing is provided with columnar bracket, described columnar bracket is positioned at the top at the described housing bottom Graceful mouth of a river, between the outer wall of columnar bracket and inner walls, form cylindrical cavity A, the inwall of columnar bracket has surrounded cylindrical cavity B, described cylindrical cavity A is communicated with right side, the bottom water-in of described housing, the bottom of described columnar bracket contacts with inner walls sealing, between the top of columnar bracket and housing, be provided with gap, the top of the columnar bracket film silk that has been fixed, the upper end that is fixed, the lower end of described film silk is floating, the inboardend of film silk is communicated with described cylindrical cavity B, the bottom of described film silk is fixed with net defence around.
2. a kind of heavy metal chelating machine as claimed in claim 1, is characterized in that: on described recycle pump inlet channel, be provided with flow valve.
3. a kind of heavy metal chelating machine as claimed in claim 1, is characterized in that: in the inlet pipe that the inlet channel of described membrane module connects, be provided with intake valve.
4. a kind of heavy metal chelating machine as claimed in claim 1, it is characterized in that: on the separation fresh water pipeline that the water outlet at the middle part of described catcher connects, be provided with throttling valve, on the blow-off line that the sewage draining exit of the bottom of described catcher connects, be provided with wash water valve, on the overflow spout that the overflow box outlet at the top of described catcher connects, be provided with surplus valve.
5. a kind of heavy metal chelating machine as claimed in claim 1, it is characterized in that: the bottom outside of the columnar bracket of the enclosure interior of described membrane module is sealed and contacted by ring baffle with inner walls, the top of columnar bracket is provided with porous web plate, the top of support arranges the outstanding baffle plate to tank wall direction, and described film silk is fixed on the top of described baffle plate.
6. a kind of heavy metal chelating machine as claimed in claim 1, is characterized in that: described membrane module is external-compression type membrane module, what it adopted is the mode of operation of air supporting and cross-flow.
7. a kind of heavy metal chelating machine as claimed in claim 1, is characterized in that: described catcher adopts gravity cyclone separator.
8. a kind of heavy metal chelating machine as claimed in claim 1, is characterized in that: described pressure filter is plate and frame(type)filter press.
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| CN201410411193.XA CN104150630B (en) | 2014-08-20 | 2014-08-20 | A kind of heavy metal chelating machine |
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| CN201410411193.XA CN104150630B (en) | 2014-08-20 | 2014-08-20 | A kind of heavy metal chelating machine |
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| CN104150630B CN104150630B (en) | 2016-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277246A (en) * | 2016-08-16 | 2017-01-04 | 涂瑞强 | A kind of reactor of Beneficiation Wastewater |
| CN108455763A (en) * | 2018-04-26 | 2018-08-28 | 厦门清胜环保科技有限公司 | A kind of ore pulp wastewater efficient process tank |
| CN109738264A (en) * | 2019-01-09 | 2019-05-10 | 中国科学院合肥物质科学研究院 | A kind of automation soil pumping and filtering device |
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| CN202237816U (en) * | 2011-08-18 | 2012-05-30 | 郑州银科尔科技有限公司 | Efficient self-cleaning membrane separation and purification device |
| CN103908818A (en) * | 2014-04-18 | 2014-07-09 | 济南华闻节能工程技术有限公司 | Film lamination filter for condensed water treatment |
| CN204162514U (en) * | 2014-08-20 | 2015-02-18 | 郑州银科尔科技有限公司 | A kind of heavy metal chelating machine |
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2014
- 2014-08-20 CN CN201410411193.XA patent/CN104150630B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03169394A (en) * | 1989-11-30 | 1991-07-23 | Fujitsu Ltd | Suspension wastewater recovery apparatus |
| JP2001121147A (en) * | 1999-10-25 | 2001-05-08 | Hitachi Ltd | Membrane separation purifying apparatus |
| CN202237816U (en) * | 2011-08-18 | 2012-05-30 | 郑州银科尔科技有限公司 | Efficient self-cleaning membrane separation and purification device |
| CN103908818A (en) * | 2014-04-18 | 2014-07-09 | 济南华闻节能工程技术有限公司 | Film lamination filter for condensed water treatment |
| CN204162514U (en) * | 2014-08-20 | 2015-02-18 | 郑州银科尔科技有限公司 | A kind of heavy metal chelating machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277246A (en) * | 2016-08-16 | 2017-01-04 | 涂瑞强 | A kind of reactor of Beneficiation Wastewater |
| CN108455763A (en) * | 2018-04-26 | 2018-08-28 | 厦门清胜环保科技有限公司 | A kind of ore pulp wastewater efficient process tank |
| CN108455763B (en) * | 2018-04-26 | 2024-05-31 | 厦门清胜环保科技有限公司 | High-efficient treatment jar of ore pulp sewage |
| CN109738264A (en) * | 2019-01-09 | 2019-05-10 | 中国科学院合肥物质科学研究院 | A kind of automation soil pumping and filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104150630B (en) | 2016-04-06 |
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