CN204779141U - Heavy metal wastewater retrieval and utilization treatment facility - Google Patents

Heavy metal wastewater retrieval and utilization treatment facility Download PDF

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Publication number
CN204779141U
CN204779141U CN201520322038.0U CN201520322038U CN204779141U CN 204779141 U CN204779141 U CN 204779141U CN 201520322038 U CN201520322038 U CN 201520322038U CN 204779141 U CN204779141 U CN 204779141U
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CN
China
Prior art keywords
tubular membrane
circulation
membrane microfiltration
pump
heavy metal
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520322038.0U
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Chinese (zh)
Inventor
翟锦树
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SHENZHEN SHULI WATER TREATMENT EQUIPMENT CO Ltd
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SHENZHEN SHULI WATER TREATMENT EQUIPMENT CO Ltd
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Priority to CN201520322038.0U priority Critical patent/CN204779141U/en
Application granted granted Critical
Publication of CN204779141U publication Critical patent/CN204779141U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a heavy metal wastewater retrieval and utilization treatment facility, add medicine hybrid system, circulation concentrated tank, circulating pump and tubular membrane microfiltration system including elevator pump, pipeline, elevator pump, circulation concentrated tank, circulating pump and tubular membrane microfiltration system connect gradually, the pipeline adds medicine hybrid system and elevator pump linkage, the elevator pump is gone into the waste water pump in the circulation concentrated tank, the pipeline adds the medicine hybrid system to be thrown with chemical agent in waste water is gone into to the pump, forms the hydroxide or the sulphide of metal, deposits in circulation concentrated tank lower part, and make the water entering tubular membrane microfiltration system among the circulation concentrated tank filter under the promotion of circulating pump, concentrate that the tubular membrane microfiltration system holds back has a metal mud sediment flows back in the circulation concentrated tank and deposits circulation concentrated tank lower part. The utility model discloses saved sludge impoundment and sedimentation tank, easily realized automatic control, the operation management of being convenient for.

Description

A kind of heavy metal wastewater thereby Treatment for Reuse equipment
Technical field
The utility model belongs to technical field of waste water processing, particularly relates to a kind of heavy metal wastewater thereby Treatment for Reuse equipment.
Background technology
Current, the prevailing technology of domestic and international process electroplating wastewater is still chemical precipitation method, namely by adding the medicament such as sodium hydroxide or sodium sulphite, the heavy metal ion in waste water is made to form oxyhydroxide or the sulfide of this metal, precipitate under optimal ph condition, then sludge press filtration is become mud cake, the Hazardous wastes process unit delivering qualification outward disposes.Existing treatment process, transfers to heavy metal contaminants in mud in fact exactly from waste water, and available " process, disposal " four words are summarized.In sum, the shortcoming of prior art is: the not recyclable processing of metal body refuse, and waste water can not reuse, is unfavorable for energy-conserving and environment-protective.
Utility model content
The utility model provides a kind of heavy metal wastewater thereby Treatment for Reuse equipment, be intended to solve the not recyclable processing of existing chemical precipitation method metal body refuse, waste water can not reuse, be unfavorable for the technical problem of energy-conserving and environment-protective.
The utility model solves the technical scheme that its technical problem adopts:
A kind of heavy metal wastewater thereby Treatment for Reuse equipment, comprise lift pump, pipeline dosing mixing system, circulation concentrated water tank, recycle pump and tubular membrane microfiltration systems, described lift pump, the concentrated water tank of circulation, recycle pump are connected successively with tubular membrane microfiltration systems, described pipeline dosing mixing system and lift pump link, and waste water pumps in the concentrated water tank of circulation by described lift pump; Described pipeline dosing mixing system adds chemical agent pumping in waste water, forms oxyhydroxide or the sulfide of metal, precipitates at circulation condensed water lower box part; And under the promotion of described recycle pump, make the circulation water concentrated in water tank enter tubular membrane microfiltration systems filter, the concentrated solution with metal body refuse that described tubular membrane microfiltration systems retains to be back in the concentrated water tank of circulation and to be deposited to circulation condensed water lower box part.
Described a kind of heavy metal wastewater thereby Treatment for Reuse equipment also comprises micro-filtration water tank, and described micro-filtration water tank is connected with described tubular membrane microfiltration systems, the current water filtering tank in a subtle way after described tubular membrane microfiltration systems filters.
Described a kind of heavy metal wastewater thereby Treatment for Reuse equipment also comprises former pond, and described former pond is connected with lift pump, described former pond splendid attire waste water, and starts lift pump when the liquid level in former pond reaches design high-water.
Described tubular membrane microfiltration systems adopts macromolecular material polyvinylidene difluoride (PVDF) to be raw material, through sinter molding.
Described pump flow (Q)=8.0m3/h × tubular membrane microfiltration systems element number, lift (H)=60m.
Described pipeline dosing mixing system adds chemical agent and comprises sodium hydroxide, sodium sulphite or Powdered Activated Carbon pumping in waste water.
Beneficial effect
The utility model eliminates sludge sump and settling tank, is easy to realize automatic control, is convenient to operational management.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of heavy metal wastewater thereby Treatment for Reuse equipment of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment,
Composition graphs 1, a kind of heavy metal wastewater thereby Treatment for Reuse equipment that the utility model provides comprises former pond, lift pump, pipeline dosing mixing system, the concentrated water tank of circulation, recycle pump, tubular membrane microfiltration systems and micro-filtration water tank, wherein, former pond, lift pump, the concentrated water tank of circulation, recycle pump, tubular membrane microfiltration systems and micro-filtration water tank connect successively, waste water in former pond pumped in the concentrated water tank of circulation by lift pump and carry out preliminary sedimentation, and under the promotion of recycle pump, make the circulation water concentrated in water tank enter tubular membrane microfiltration systems filter, production water after filtration flows in micro-filtration water tank can supply reuse, be back in the concentrated water tank of circulation by the concentrated solution with metal body refuse that tubular membrane microfiltration systems retains, the flocculation sediments such as metal body refuse are to circulation condensed water lower box part, regularly can enter pressure filter and carry out mud-water separation, be beneficial to recycling.
Former pond is used for splendid attire waste water, and when the liquid level in former pond reaches design high-water, lift pump starts, and when the liquid level in former pond drops to design lowest stage, lift pump stops; Lift pump is used for being pumped into by the waste water in former pond in the concentrated water tank of circulation.
Pipeline dosing mixing system and lift pump link, namely when lift pump starts, the volume pump of pipeline dosing mixing system starts thereupon, when lift pump stops, the volume pump of pipeline dosing mixing system stops thereupon, for adding sodium hydroxide, sodium sulphite or Powdered Activated Carbon etc. pumping in waste water, makes the rapid reactions such as the metal ion in waste water, suspended particulate, colloid substances, form oxyhydroxide or the sulfide of this metal, and precipitate at circulation condensed water lower box part.
When the liquid level in the concentrated water tank that circulates reaches design high-water, recycle pump starts, and tubular membrane microfiltration systems brings into operation, and under the promotion of recycle pump, make the circulation waste water concentrated in water tank enter tubular membrane microfiltration systems carry out cross flow filter, the production water after filtration flows into micro-filtration water tank for recycling; Be back in the concentrated water tank of circulation by the concentrated solution with metal body refuse that tubular membrane microfiltration systems retains, the flocculation sediments such as metal body refuse are to circulation condensed water lower box part, regularly can enter pressure filter and carry out mud-water separation, metal body refuse metal content is high, can process recovery; When the liquid level in the concentrated water tank that circulates drops to design lowest stage, recycle pump stops, and tubular membrane microfiltration systems is out of service.
In the utility model embodiment, tubular membrane microfiltration systems with macromolecular material polyvinylidene difluoride (PVDF) (PVDF) for raw material, through sinter molding; The water inlet of tubular membrane microfiltration systems is promoted to carry out cross flow filter by large discharge recycle pump, carries out design calculation, pump flow (Q)=8.0m3/h × tubular membrane microfiltration systems element number, lift (H)=60m by equipment scale; Its flooding velocity is large, and flow velocity is high, and carrying capacity is strong.
The utility model is processed by following process heavy metal waste water:
Step one: by former pond splendid attire waste water;
Step 2: when the liquid level in former pond reaches design high-water, starts lift pump, and pumps in the concentrated water tank of circulation by lift pump by the waste water in former pond;
Step 3: add sodium hydroxide, sodium sulphite or Powdered Activated Carbon etc. pumping in waste water by pipeline dosing mixing system, make the rapid reactions such as the metal ion in waste water, suspended particulate, colloid substances, form oxyhydroxide or the sulfide of this metal, and precipitate at circulation condensed water lower box part;
In step 3, pipeline dosing mixing system and lift pump link, and when namely lift pump starts, the volume pump of pipeline dosing mixing system starts thereupon, and when lift pump stops, the volume pump of pipeline dosing mixing system stops thereupon.
Step 4: when the liquid level in the concentrated water tank that circulates reaches design high-water, recycle pump starts, and tubular membrane microfiltration systems brings into operation, and under the promotion of recycle pump, make the circulation waste water concentrated in water tank enter tubular membrane microfiltration systems carry out cross flow filter;
Step 5: the production water after filtration flows into micro-filtration water tank, for recycling, be back in the concentrated water tank of circulation by the concentrated solution with metal body refuse that tubular membrane microfiltration systems retains, the flocculation sediments such as metal body refuse are to circulation condensed water lower box part, regularly can enter pressure filter and carry out mud-water separation, metal body refuse metal content is high, can process recovery;
Step 6: when the liquid level in former pond drops to design lowest stage, lift pump stops, and when the liquid level in the concentrated water tank that circulates drops to design lowest stage, recycle pump stops, and tubular membrane microfiltration systems is out of service.
A kind of heavy metal wastewater thereby Treatment for Reuse Apparatus and method for of the utility model embodiment carries out waste water separating treatment with tubular membrane microfiltration systems, the concentrated solution with metal body refuse retained through tube type filter membrance system is back in the concentrated water tank of circulation, the flocculation sediments such as metal body refuse are to circulation condensed water lower box part, regularly can enter pressure filter and carry out mud-water separation, metal body refuse metal content is high, can recovery be processed, filter produce water also can reuse, be conducive to energy-conserving and environment-protective; The water inlet of tubular membrane microfiltration systems is promoted to carry out cross flow filter by large discharge recycle pump, and its flooding velocity is large, and flow velocity is high, and carrying capacity is strong; And the utility model technique is simple, saves sludge sump and settling tank, is easy to realize automatic control, is convenient to operational management.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (6)

1. a heavy metal wastewater thereby Treatment for Reuse equipment, it is characterized in that, comprise lift pump, pipeline dosing mixing system, circulation concentrated water tank, recycle pump and tubular membrane microfiltration systems, described lift pump, the concentrated water tank of circulation, recycle pump are connected successively with tubular membrane microfiltration systems, described pipeline dosing mixing system and lift pump link, and waste water pumps in the concentrated water tank of circulation by described lift pump; Described pipeline dosing mixing system adds chemical agent pumping in waste water, forms oxyhydroxide or the sulfide of metal, precipitates at circulation condensed water lower box part; And under the promotion of described recycle pump, make the circulation water concentrated in water tank enter tubular membrane microfiltration systems filter, the concentrated solution with metal body refuse that described tubular membrane microfiltration systems retains to be back in the concentrated water tank of circulation and to be deposited to circulation condensed water lower box part.
2. a kind of heavy metal wastewater thereby Treatment for Reuse equipment according to claim 1, it is characterized in that, described a kind of heavy metal wastewater thereby Treatment for Reuse equipment also comprises micro-filtration water tank, described micro-filtration water tank is connected with described tubular membrane microfiltration systems, the current water filtering tank in a subtle way after described tubular membrane microfiltration systems filters.
3. a kind of heavy metal wastewater thereby Treatment for Reuse equipment according to claim 1, it is characterized in that, described a kind of heavy metal wastewater thereby Treatment for Reuse equipment also comprises former pond, described former pond is connected with lift pump, described former pond splendid attire waste water, and start lift pump when the liquid level in former pond reaches design high-water.
4. a kind of heavy metal wastewater thereby Treatment for Reuse equipment according to claim 1, is characterized in that, described tubular membrane microfiltration systems adopts macromolecular material polyvinylidene difluoride (PVDF) to be raw material, through sinter molding.
5. a kind of heavy metal wastewater thereby Treatment for Reuse equipment according to claim 1, is characterized in that, described pump flow (Q)=8.0m3/h × tubular membrane microfiltration systems element number, lift (H)=60m.
6. a kind of heavy metal wastewater thereby Treatment for Reuse equipment according to claim 1, is characterized in that, described pipeline dosing mixing system adds chemical agent and comprises sodium hydroxide, sodium sulphite or Powdered Activated Carbon pumping in waste water.
CN201520322038.0U 2015-05-19 2015-05-19 Heavy metal wastewater retrieval and utilization treatment facility Expired - Fee Related CN204779141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520322038.0U CN204779141U (en) 2015-05-19 2015-05-19 Heavy metal wastewater retrieval and utilization treatment facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520322038.0U CN204779141U (en) 2015-05-19 2015-05-19 Heavy metal wastewater retrieval and utilization treatment facility

Publications (1)

Publication Number Publication Date
CN204779141U true CN204779141U (en) 2015-11-18

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Application Number Title Priority Date Filing Date
CN201520322038.0U Expired - Fee Related CN204779141U (en) 2015-05-19 2015-05-19 Heavy metal wastewater retrieval and utilization treatment facility

Country Status (1)

Country Link
CN (1) CN204779141U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186194A (en) * 2016-08-29 2016-12-07 北京航天长城节能环保科技有限公司 Autocontrol oil-contained waste water treatment system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106186194A (en) * 2016-08-29 2016-12-07 北京航天长城节能环保科技有限公司 Autocontrol oil-contained waste water treatment system
CN106186194B (en) * 2016-08-29 2019-03-29 航天长城节能环保科技有限公司 Autocontrol oil-contained waste water treatment system

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

Granted publication date: 20151118

Termination date: 20190519

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