CN109279713A - A kind of wastewater from chemical industry internal metal ion coagulation method - Google Patents

A kind of wastewater from chemical industry internal metal ion coagulation method Download PDF

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Publication number
CN109279713A
CN109279713A CN201811425244.9A CN201811425244A CN109279713A CN 109279713 A CN109279713 A CN 109279713A CN 201811425244 A CN201811425244 A CN 201811425244A CN 109279713 A CN109279713 A CN 109279713A
Authority
CN
China
Prior art keywords
metal ion
wastewater
settling tank
flocks case
flocks
Prior art date
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.)
Pending
Application number
CN201811425244.9A
Other languages
Chinese (zh)
Inventor
李双建
姚明
赵晓刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI LVJUREN ENVIRONMENT TECHNOLOGY Co Ltd
Original Assignee
ANHUI LVJUREN ENVIRONMENT TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANHUI LVJUREN ENVIRONMENT TECHNOLOGY Co Ltd filed Critical ANHUI LVJUREN ENVIRONMENT TECHNOLOGY Co Ltd
Priority to CN201811425244.9A priority Critical patent/CN109279713A/en
Publication of CN109279713A publication Critical patent/CN109279713A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62Heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention discloses a kind of wastewater from chemical industry internal metal ion condensing means, including flocks case and settling tank, inlet tube is communicated at the top of the flocks case, the agent for capturing inlet pipe positioned at inlet tube side is communicated at the top of the flocks case, the inner wall of the flocks case is rotatably connected to agitating shaft, the bottom of the agitating shaft runs through flocks case and extends to the outside of flocks case, the bottom of the flocks case is provided with driving device, the flocks case is flexibly connected with driving device, flocks case side lower end offers liquid outlet, the inner wall of the liquid outlet is provided with the first strainer, the bottom of the flocks case is provided with first and unloads dirty switch, the side of the liquid outlet is communicated with charge tube, the charge tube is connected to settling tank.The present invention is solved containing a large amount of metal ion in waste water, and metal ion removal is more troublesome, directly carries out being discharged into external environment, it is easy to the problem of impacting external environment.

Description

A kind of wastewater from chemical industry internal metal ion coagulation method
Technical field
The present invention relates to chemical wastewater treatment technical fields, specially a kind of wastewater from chemical industry internal metal ion condensation side Method.
Background technique
Wastewater from chemical industry refer to chemical plant production product process produced in waste water, such as produce ethylene, polyethylene, rubber, The oily waste water of the devices such as polyester, methanol, ethylene glycol, Oil Tank, space division air compression station, it is general reachable after biochemical treatment To national secondary discharge standard, now due to the shortage of water resource, the water of discharge standard need to be up to using further depth After reason, reach the recycling of industrial moisturizing requirement, since impurities in water is mainly suspended particulate and fine, soft fur fiber, utilizes machinery Work principle of filter is removed impurity using Millipore filtration techniques, by PLC or time relay controlling filter equipment working condition, It realizes automatic backwash, automatic running, promotes head needed for water pump provides filter, water outlet is introduced directly into production system.
In chemical production process, a large amount of wastewater from chemical industry can be generated, a large amount of metal ion, gold are contained in some waste water Belong to ion remaval to be more troublesome, directly carries out being discharged into external environment, it is easy to impact external environment.
Summary of the invention
The purpose of the present invention is to provide a kind of wastewater from chemical industry internal metal ion coagulation methods, to solve above-mentioned background skill Contain a large amount of metal ion in the waste water proposed in art, metal ion removal is more troublesome, directly carries out being discharged into extraneous ring In border, it is easy to the problem of being impacted to external environment.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of wastewater from chemical industry internal metal ion is solidifying Device, including flocks case and settling tank are tied, inlet tube is communicated at the top of the flocks case, is communicated at the top of the flocks case Agent for capturing inlet pipe positioned at inlet tube side, the inner wall of the flocks case are rotatably connected to agitating shaft, the bottom of the agitating shaft Through flocks case and extend to the outside of flocks case, the bottom of the flocks case is provided with driving device, the flocks case and drives Dynamic device is flexibly connected, and flocks case side lower end offers liquid outlet, and the inner wall of the liquid outlet is provided with the first strainer, The bottom of the flocks case is provided with first and unloads dirty switch, and the side of the liquid outlet is communicated with charge tube, the charge tube with Settling tank is connected to, and is communicated at the top of the settling tank and is thrown alkali pipe, the bottom of the settling tank is provided with drain pipe, the precipitating The inner wall bottom of case is provided with the second strainer above settling tank, and the bottom of the settling tank, which is provided with second, unloads dirt and open It closes.
Preferably, the agent for capturing inlet pipe is the import for launching metal agent for capturing, and metal agent for capturing is novel heavy metal Agent for capturing N-915.
Preferably, the junction of the agitating shaft and flocks case is provided with axle envelope, and the axle envelope and agitating shaft are socketed.
Preferably, the driving device includes driving box, and the inside of the driving box is fixedly installed with motor, the electricity The output shaft surface of machine is fixedly connected with first gear, and the bottom of the agitating shaft is fixedly connected with second gear, and described first Gear is engaged with second gear.
Preferably, the shape of second strainer is arc-shaped.
Preferably, described first dirty switch is unloaded and second to unload dirty switch be anticorrosion valve.
Preferably, the wastewater from chemical industry internal metal ion condensing means coagulation method step are as follows:
A, wastewater from chemical industry is injected into flocks case, agent for capturing is launched from agent for capturing inlet pipe into flocks case;
B, driving device work provides power, rotates agitating shaft, can stir to waste water, so as to make to capture Agent and wastewater from chemical industry are sufficiently mixed, and agent for capturing reacts rapidly with the heavy metal ion in waste water, generate salt not soluble in water;
C, a small amount of flocculant is added into flocks case from inlet tube, can forms flocculent deposit, the first strainer is by flocculent deposit It is filtered;
D, it opens first and unloads dirty switch, flocks case is discharged in flocculent deposit;
E, the waste water after the first strainer filtering enters in settling tank by charge tube, by throwing alkali pipe to settling tank The chemical precipitation agents such as middle investment sodium hydroxide or calcium hydroxide, after the reaction was completed, waste water by drain pipe be discharged settling tank, second Strainer obstructs sediment in settling tank;
F, it opens second and unloads dirty switch, sediment is discharged.
Compared with prior art, the beneficial effects of the present invention are:
1. wastewater from chemical industry, is injected into flocks case by the present invention by inlet tube, agent for capturing is launched from agent for capturing inlet pipe Into flocks case, while driving device work provides power, rotates agitating shaft, so as to make agent for capturing and wastewater from chemical industry It is sufficiently mixed, agent for capturing reacts rapidly with the heavy metal ion in waste water, salt not soluble in water is generated, then from inlet tube to solidifying A small amount of flocculant is added in wadding case, flocculent deposit can be formed, so as to by metal ion most of in waste water in solid form It separates, under the action of the first strainer, stays in the flocculent deposit separated in flocks case, opening first is unloaded dirt and opened It closes, flocks case can be discharged in flocculent deposit, so as to handle metal ion in wastewater from chemical industry, avoid it and directly arrange It puts, the phenomenon that a large amount of metal ion influences environmental sanitation occurs.
2. the waste water after the first strainer filtering enters in settling tank by charge tube by setting settling tank, lead to It crosses throwing alkali pipe and puts into the chemical precipitation agents such as sodium hydroxide or calcium hydroxide into settling tank, make wastewater fraction metal ion and precipitating Agent reacts to form hydroxide precipitating, and after the reaction was completed, settling tank is discharged by drain pipe in waste water, and the second strainer hinders sediment It is interposed between in settling tank, finally opens second and unload dirty switch, sediment can be discharged, so as to make to the metal in wastewater from chemical industry Ion remaval effect is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is the cross-sectional view of the embodiment of the present invention.
In figure: 1, flocks case;2, settling tank;3, inlet tube;4, agent for capturing inlet pipe;5, agitating shaft;6, driving device;61, Driving box;62, motor;63, first gear;7, liquid outlet;8, the first strainer;9, first dirty switch is unloaded;10, charge tube;11, it throws Alkali pipe;12, drain pipe;13, the second strainer;14, second dirty switch is unloaded.
Specific embodiment
In order to solve containing a large amount of metal ion in waste water, metal ion removal is more troublesome, is directly discharged into In external environment, it is easy to which the problem of impacting to external environment, the embodiment of the invention provides inside a kind of wastewater from chemical industry Metal ion coagulation method.Following will be combined with the drawings in the embodiments of the present invention, technical solution in the embodiment of the present invention into Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work Every other embodiment, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of wastewater from chemical industry internal metal ion condensing means, including flocks case are present embodiments provided referring to FIG. 1-2, 1 and settling tank 2, the top of flocks case 1 be communicated with inlet tube 3, the top of flocks case 1 is communicated with catching positioned at 3 side of inlet tube Agent inlet pipe 4 is caught, agent for capturing inlet pipe 4 is the import for launching metal agent for capturing, and metal agent for capturing is novel heavy metal agent for capturing N- 915, the inner wall of flocks case 1 is rotatably connected to agitating shaft 5, and the bottom of agitating shaft 5 through flocks case 1 and extends to flocks case 1 Outside, the bottom of flocks case 1 are provided with driving device 6, and flocks case 1 is flexibly connected with driving device 6,1 side lower end of flocks case Liquid outlet 7 is offered, the inner wall of liquid outlet 7 is provided with the first strainer 8, and the bottom of flocks case 1 is provided with first and unloads dirty switch 9, The side of liquid outlet 7 is communicated with charge tube 10, and charge tube 10 is connected to settling tank 2, and the top of settling tank 2, which is communicated with, throws alkali pipe 11, the bottom of settling tank 2 is provided with drain pipe 12, and the inner wall bottom of settling tank 2 is provided with the second filter above settling tank 2 Net 13, the bottom of settling tank 2 are provided with second and unload dirty switch 14.
In the present embodiment, wastewater from chemical industry is injected into flocks case 1 by inlet tube 3, by agent for capturing from agent for capturing inlet pipe 4 It launches in flocks case 1, while the work of driving device 6 provides power, rotates agitating shaft 5, agitating shaft 5 has for surface The rotation axis of paddle, and paddle has good corrosion resistance, can stir to waste water, so as to make agent for capturing and change Work waste water is sufficiently mixed, and agent for capturing reacts rapidly with the heavy metal ion in waste water, generates salt not soluble in water, then from feed liquor A small amount of flocculant is added into flocks case 1 for pipe 3, can form flocculent deposit, so as to by metal ion most of in waste water with solid The form of body is separated, and under the action of the first strainer 8, stays in the flocculent deposit separated in flocks case 1, opens the One unloads dirty switch 9, flocks case 1 can be discharged in flocculent deposit and avoided so as to handle metal ion in wastewater from chemical industry The phenomenon that its direct emission, a large amount of metal ion influences environmental sanitation, occurs, and passes through by the filtered waste water of the first strainer 8 It crosses charge tube 10 to enter in settling tank 2, puts into the chemistry such as sodium hydroxide or calcium hydroxide into settling tank 2 by throwing alkali pipe 11 Precipitating reagent makes wastewater fraction metal ion react to form hydroxide precipitating with precipitating reagent, and after the reaction was completed, waste water passes through drain Settling tank 2 is discharged in pipe 12, and the second strainer 13 obstructs sediment in settling tank 2, finally opens second and unloads dirty switch 14 Sediment is discharged, it is more preferable to the metal ion removal effect in wastewater from chemical industry so as to make, it solves in waste water containing a large amount of Metal ion, metal ion removal be more troublesome, directly carry out being discharged into external environment, it is easy to cause external environment The problem of influence.
Embodiment 2
It is further improved on the basis of embodiment 1 referring to FIG. 1-2: the junction of agitating shaft 5 and flocks case 1 Be provided with axle envelope, axle envelope and agitating shaft 5 are socketed, and axle envelope can be defined the position of agitating shaft 5, and the waterproof performance of axle envelope compared with It is good, it can avoid waste water when agitating shaft 5 rotates and oozed out from junction, driving device 6 includes driving box 61, the inside of driving box 61 It is fixedly installed with motor 62, the output shaft surface of motor 62 is fixedly connected with first gear 63, and the bottom of agitating shaft 5 is fixedly connected There is second gear, first gear 63 is engaged with second gear, and when needing to mix agent for capturing and waste water, the work of motor 62 is driven First gear 63 rotates, and first gear 63 drives agitating shaft 5 to be rotated by second gear, so as to make agitating shaft 5 to useless Water is mixed.
Wherein, the shape of the second strainer 13 is arc-shaped, and circular arc type can obstruct sediment, prevent precipitate bulk It on sub second strainer 13, prevents at the second strainer 13 there is a phenomenon where blocking, first, which unloads dirty switch 9 and second, unloads dirty switch 14 It is anticorrosion valve, the service life is longer for anticorrosion valve, and the model JM744X of valve.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of description of the present invention and simplification of the description, Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation Make, therefore is not considered as limiting the invention.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned The concrete meaning of term in the present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of wastewater from chemical industry internal metal ion condensing means, including flocks case (1) and settling tank (2), it is characterised in that: institute It states and is communicated at the top of flocks case (1) inlet tube (3), is communicated at the top of the flocks case (1) positioned at inlet tube (3) side The inner wall of agent for capturing inlet pipe (4), the flocks case (1) is rotatably connected to agitating shaft (5), and the bottom of the agitating shaft (5) is run through The bottom of flocks case (1) and the outside for extending to flocks case (1), the flocks case (1) is provided with driving device (6), described solidifying Wadding case (1) is flexibly connected with driving device (6), and flocks case (1) the side lower end offers liquid outlet (7), the liquid outlet (7) inner wall is provided with the first strainer (8), and the bottom of the flocks case (1) is provided with first and unloads dirty switch (9), the liquid out The side of mouth (7) is communicated with charge tube (10), and the charge tube (10) is connected to settling tank (2), the top of the settling tank (2) It is communicated with and throws alkali pipe (11), the bottom of the settling tank (2) is provided with drain pipe (12), the inner wall bottom of the settling tank (2) It is provided with the second strainer (13) being located above settling tank (2), the bottom of the settling tank (2) is provided with second and unloads dirty switch (14)。
2. wastewater from chemical industry internal metal ion condensing means according to claim 1, it is characterised in that: the agent for capturing into Pipe (4) is the import for launching metal agent for capturing, and metal agent for capturing is novel heavy metal agent for capturing N-915.
3. wastewater from chemical industry internal metal ion condensing means according to claim 1, it is characterised in that: the agitating shaft (5) axle envelope is provided with the junction of flocks case (1), the axle envelope and agitating shaft (5) are socketed.
4. wastewater from chemical industry internal metal ion condensing means according to claim 1, it is characterised in that: the driving device It (6) include driving box (61), the inside of the driving box (61) is fixedly installed with motor (62), the output of the motor (62) Axis surface is fixedly connected with first gear (63), and the bottom of the agitating shaft (5) is fixedly connected with second gear, first tooth Wheel (63) is engaged with second gear.
5. wastewater from chemical industry internal metal ion condensing means according to claim 1, it is characterised in that: second strainer (13) shape is arc-shaped.
6. wastewater from chemical industry internal metal ion condensing means according to claim 1, it is characterised in that: described first unloads dirt Switch (9) and second to unload dirty switch (14) be anticorrosion valve.
7. wastewater from chemical industry internal metal ion condensing means according to claim 1, it is characterised in that: in the wastewater from chemical industry Portion's metal ion condensing means coagulation method step are as follows:
A, wastewater from chemical industry is injected into flocks case (1), agent for capturing is launched from agent for capturing inlet pipe (4) in flocks case (1);
B, driving device (6) work provides power, rotates agitating shaft (5), can stir to waste water, so as to make to catch It catches agent and wastewater from chemical industry is sufficiently mixed, agent for capturing reacts rapidly with the heavy metal ion in waste water, generates salt not soluble in water;
C, middle from inlet tube (3) to flocks case (1) that a small amount of flocculant is added, flocculent deposit can be formed, the first strainer (8) will be cotton-shaped Precipitating is filtered;
D, it opens first and unloads dirty switch (9), flocks case (1) is discharged in flocculent deposit;
E, it is entered in settling tank (2) by the first strainer (8) filtered waste water by charge tube (10), by throwing alkali pipe (11) chemical precipitation agents such as sodium hydroxide or calcium hydroxide are put into settling tank (2), after the reaction was completed, waste water passes through drain pipe (12) settling tank (2) are discharged, the second strainer (13) obstructs sediment in settling tank (2);
F, it opens second and unloads dirty switch (14), sediment is discharged.
CN201811425244.9A 2018-11-27 2018-11-27 A kind of wastewater from chemical industry internal metal ion coagulation method Pending CN109279713A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811425244.9A CN109279713A (en) 2018-11-27 2018-11-27 A kind of wastewater from chemical industry internal metal ion coagulation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811425244.9A CN109279713A (en) 2018-11-27 2018-11-27 A kind of wastewater from chemical industry internal metal ion coagulation method

Publications (1)

Publication Number Publication Date
CN109279713A true CN109279713A (en) 2019-01-29

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CN201811425244.9A Pending CN109279713A (en) 2018-11-27 2018-11-27 A kind of wastewater from chemical industry internal metal ion coagulation method

Country Status (1)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208087373U (en) * 2018-01-27 2018-11-13 深圳市全弘自动化设备有限公司 A kind of wastewater treatment equipment of fully automatic electric coating apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208087373U (en) * 2018-01-27 2018-11-13 深圳市全弘自动化设备有限公司 A kind of wastewater treatment equipment of fully automatic electric coating apparatus

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Application publication date: 20190129