CN108203150A - For the processing system of industrial wastewater - Google Patents

For the processing system of industrial wastewater Download PDF

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Publication number
CN108203150A
CN108203150A CN201810060537.5A CN201810060537A CN108203150A CN 108203150 A CN108203150 A CN 108203150A CN 201810060537 A CN201810060537 A CN 201810060537A CN 108203150 A CN108203150 A CN 108203150A
Authority
CN
China
Prior art keywords
processing system
industrial wastewater
application
suction port
intake section
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
CN201810060537.5A
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Chinese (zh)
Inventor
陈贤瑜
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810060537.5A priority Critical patent/CN108203150A/en
Publication of CN108203150A publication Critical patent/CN108203150A/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
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • C02F2101/18Cyanides

Abstract

The invention discloses a kind of processing system for industrial wastewater, neutralization device, the catalyst case being connected with the processing unit, reactant room and the agitating device in the processing unit including processing unit, on rear side of the processing unit;The processing unit include reaction tank, set on reaction tank bottom intake section and with the matched air inlet component of the intake section;The agitating device is equipped with the aeration devices that can be connected with the air inlet component;The aeration opening is equipped with extension, and unidirectional outlet part is removably connected on the extension.The thiocyanation that the present invention can be effectively removed in waste water closes object, and oxidation efficiency is high, and cost of water treatment is low;Agitating device is uniformly mixed sewage and catalyst, and being mixed between sewage, gas and catalyst is more uniformly distributed, and oxidation effectiveness is good, and oxidation efficiency is high.

Description

For the processing system of industrial wastewater
Technical field
The invention belongs to technical field of sewage, more particularly, to a kind of processing system for industrial wastewater.
Background technology
Rhodanide is in the SCN for often generating certain surplus during preparing industrial products when adding excess-, should be from Sub- good water solubility, therefore industrial processes can generate a large amount of sulfur-bearing cyanide wastewaters.Sulfur-bearing cyanide wastewater compound waste water one As handled using oxidizing process, mainly using three kinds of wet oxidation process, chlorine oxidation process and Ozonation methods at Reason.It now there are three types of processing method is required to that individual aerator is set to be aerated, so that gas can be in reaction tank It reacts with waste water.But under this kind of mode, the effect of aeration is poor, and the gas in reaction tank is entered by exposure and is difficult to fully with waste water In SCN-Reaction causes the rhodanide in waste water to remove incomplete.
Secondly as aerator has been separately provided, not only the construction cost of equipment is higher, and the spoilage of equipment compared with Height, repair are frequent;And often there are impurity or sludge energy, in order to avoid aerator blocks, aerator in waste water It needs often to be backwashed, not only waste water resource, increases the workload of worker;Can also occupy equipment normal use when Between, influence the working efficiency of equipment.
Invention content
The present invention in order to overcome the deficiencies of the prior art and provide a kind of removal of rhodanide completely, aeration devices without into The processing system for industrial wastewater of row backwash.
To achieve these goals, the present invention uses following technical scheme:A kind of processing system for industrial wastewater, packet Include processing unit, the neutralization device on rear side of the processing unit, the catalyst case being connected with the processing unit, reactant room and Agitating device in the processing unit;The processing unit include reaction tank, set on reaction tank bottom intake section and with The matched air inlet component of the intake section;The agitating device is equipped with the aeration devices that can be connected with the air inlet component; The aeration opening is equipped with extension, and unidirectional outlet part is removably connected on the extension.By being filled in stirring in the present invention It puts and is provided with aeration devices so that gas can directly be entered by exposure to waste water during mixing component stirs waste water, protect Waste water can fully be confused by demonstrate,proving the gas exposed to waste water so that gas, waste water and the catalyst of ejection can fill the most That divides is mixed and is reacted, and the thiocyanation effectively removed in waste water closes object;And for comparing traditional aeration mode, due to stirring It mixes device to be always stirred waste water, so as to the water that when gas is sprayed from agitating device into waste water, gas touches Stream is part the most disorderly, the gas so as to spray can the most adequately be closed with the thiocyanation in waste water object contact and Reaction, so as to which the thiocyanation contained in maximally efficient removal waste water closes object, and under this kind of processing mode, thiocyanation closes in waste water Object removal effect is good, is not in remaining situation substantially;By the setting of unidirectional outlet part, the gas in agitating paddle ensure that Unidirectional outlet part can just be in opening state when body sprays outward, and in the state of non-jet, unidirectional outlet part is in closed form Impurity in state, waste water and waste water etc. cannot be introduced into agitating paddle and agitating shaft, without carrying out backwash behaviour to agitating shaft Make, improve working efficiency, reduce the waste of water resource;Meanwhile agitating shaft is not in the increased situation of weight, prevents stirring parts It is overweight and occur actuator can not drive its rotate and situation about scrapping, equipment failure rate is low, and maintenance rate is low.
Further, it is arranged with cutting ferrule outside the unidirectional outlet part;The setting of cutting ferrule can ensure that unidirectional outlet part can be by It is firmly located in outside extension, during preventing agitating shaft rotation, unidirectional outlet part is fallen down, and further prevents waste water It enters in agitating shaft.
Further, the agitating device is stirred including agitating shaft, the agitating paddle being detachably connected with the agitating shaft and driving Mix the actuator that shaft rotation is moved;The aeration devices include be set on agitating shaft on inlet channel, on agitating paddle with the air inlet The aeration channel and multiple aeration openings being connected with the aeration channel that channel is connected;By the way that aeration opening is arranged on agitating paddle On, the outlet area for increasing gas of high degree, so as to increasing between the gas of ejection and waste water for high degree Contact area, for the treatment effect of waste water.
Further, the air inlet component include inlet suction port matched with the intake section and with the inlet suction port phase The air inlet pipe of cooperation;First seal is equipped between the inlet suction port and the intake section;Inlet suction port is more easy to and agitating shaft Coordinated, and connector is typically constructed of metal, and the structures such as surface can be freely threaded as needed, recess portion, protrusion are come Realize and agitating shaft between sealing coordinate, compared to air inlet pipe directly with stir axis connection mode for, air inlet component with Sealing cooperation between agitating shaft is more easy to realize, and the effect for sealing cooperation is also more preferable, is not easy to let out so as to be used for a long time The situation of leakage extends the service life of equipment.
Further, the intake section is the opening set on reaction tank bottom;Inlet suction port lateral wall is equipped with two connections Portion, the connecting portion are connected by fixing piece and the reaction tank;By the setting of connecting portion and fixing piece, inlet suction port can be limited On fixed position, so as on the basis of it can realize that inlet suction port is dismountable and prevent inlet suction port in agitating shaft Occurs the situation of displacement during rotation.
Further, the first seal is included set on the internal thread of the intake section inner wall and set on the air inlet connecting The external screw thread of head outer surface;Realize that the sealing between inlet suction port and intake section coordinates by threaded, easy to process, assembling Simply.
Further, the first seal is to be fixedly arranged on the rubber layer of the inlet suction port outer surface;Work as inlet suction port When being connected with intake section, the rubber layer fits closely the inner wall with intake section, and sealing effect is good, and long-time service is not easy to send out Raw leakage.
Further, the inlet suction port is equipped with a plug division, and the agitating shaft lower part is equipped with to match with the plug division The link slot of conjunction is equipped with leakage-proof structure between the plug division and the link slot;Since agitating shaft maintains the state of rotation always, So as to, always in the state being rotatably assorted, easily be leaked between link slot and plug division;By the setting of leakage-proof structure, It can ensure that the two is equally reached good sealing cooperation under rotary state.
Further, the leakage-proof structure includes the first application of anti-leakage layers set on the link slot inner wall, set on the grafting Second application of anti-leakage layers of portion's outer wall and the lubricant layer between first application of anti-leakage layers and the second application of anti-leakage layers;Two sealants are matched It closes, sealing effect is good;And the setting for passing through lubricant layer, it is ensured that first, second application of anti-leakage layers is in the state of fitting closely, not Very big abrasion can be generated, so as to which sealing cooperation between the two is always in good state, long-time service will not occur Application of anti-leakage layers is worn and there is a situation where leak.
Further, the link slot inner wall is equipped with the groove of annular, and first application of anti-leakage layers is at least partially disposed in this In groove;The leakage-proof structure further includes the movable sleeve between first application of anti-leakage layers and the second application of anti-leakage layers, the movable sleeve portion It is placed in the groove;By the setting of movable sleeve, the contact area between first, second application of anti-leakage layers can be reduced, so as to subtract Small frictional force between the two, while movable part can also also rotate while agitating shaft rotates so that agitating shaft is opposite The rotation of inlet suction port is more smoothly;Simultaneously as frictional force between the two reduces so that abrasion is reduced, and uses the longevity Life length;Meanwhile the contact area between movable sleeve and first, second application of anti-leakage layers is smaller, compared to the position directly for first, the For the situation that two application of anti-leakage layers are in direct contact, pressure size has obtained increasing the increase of degree, so that link slot and grafting Leak preventing effect between portion further gets a promotion;Secondly by the setting of groove, play the role of positioning movable sleeve, Movable sleeve is effectively prevent to be dropped out from first, second application of anti-leakage layers, improves the stability of equipment;And since the first leakproof layer segment is put In in the groove, so as to which the outboard sidewalls that ensure that movable sleeve are in contact always with application of anti-leakage layers, avoid leaking.
In conclusion the thiocyanation that the present invention can be effectively removed in waste water closes object, oxidation efficiency is high, and cost of water treatment is low; Agitating device is uniformly mixed sewage and catalyst, and being mixed between sewage, gas and catalyst is more uniformly distributed, oxidation Effect is good, and oxidation efficiency is high;Unidirectional outlet part is set, without carrying out backwash operation to agitating shaft, working efficiency is improved, reduces The waste of water resource;Meanwhile agitating shaft is not in the increased situation of weight, equipment failure rate is low, and maintenance rate is low.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the enlarged drawing at A in Fig. 1.
Fig. 3 is the enlarged drawing at B in Fig. 2.
Fig. 4 is the enlarged drawing at D in Fig. 2.
Specific embodiment
In order to which those skilled in the art is made to be better understood from the present invention program, below in conjunction in the embodiment of the present invention Attached drawing carries out the technical solution in the embodiment of the present invention clear, complete description.
As shown in Figs 1-4, a kind of processing system for industrial wastewater including processing unit 1, neutralizes device 2, catalyst Room 3, reactant room 4 and agitating device 5;The processing unit 1 includes reaction tank 11, the intake section 12 set on reaction tank bottom And air inlet component 6 matched with the intake section, the air inlet component 6 can be passed through nitrogen dioxide into reaction tank;The catalyst Catalyst in room 3 is sodium-based montmorillonite, water, manganese nitrate, copper nitrate, sodium metasilicate, activated carbon are according to 0.5:2:1:1:1:1.5 than Calcination forms example at high temperature, and catalyst case 3 is connected by pipeline with reaction tank, and pipeline is equipped with centrifugal pump;The reactant It is 20% hydrochloric acid solution in room 4, which is connected with reative cell again by pipeline, is also equipped with centrifuging on pipeline Pump;The agitating device 5 is equipped with the aeration devices 7 that can be connected with the air inlet component 6;Specifically, the agitating device 5 Including agitating paddle 52 made of agitating shaft made of stainless steel 51, stainless steel and actuator 53;The agitating paddle 52 is screwed onto On the agitating shaft 51, the actuator 53 is the motor directly bought on the market, is arranged on the upper position of reative cell, motor Output shaft and the top of agitating shaft be connected, so as to which agitating shaft be driven to rotate;The aeration devices 7 include inlet channel 71, expose Gas channel 72 and aeration opening 73, the inlet channel 71 are set on agitating shaft, and the aeration channel 72 is set on the agitating paddle On, and when agitating paddle is connected on agitating shaft, which is connected with the inlet channel;The aeration opening 73 is set To be multiple, and it is evenly spaced be arranged on the outer surface of the agitating paddle, each aeration opening 73 with it is described aeration channel phase Connection;Preferably, 73 inner wall of aeration opening has extended outward to form an extension 731, it is single which is equipped with one To outlet part 91, cutting ferrule 92 is arranged with outside the unidirectional outlet part 91
Unidirectional outlet part 91 is removably connected with, cutting ferrule 92 is arranged with outside the unidirectional outlet part.
The air inlet component 6 includes inlet suction port 61 and air inlet pipe 62, and the inlet suction port 61 and air inlet pipe 62 be not by Rust steel is made;The intake section 12 is the opening set on reaction tank bottom, and the inlet suction port 61 is matched with the intake section, Preferably, first seal 63 is equipped between the inlet suction port 61 and the intake section 12;Specifically, the first seal 63 include the internal thread set on 12 inner wall of intake section and the external screw thread set on 61 outer surface of inlet suction port;In other realities It applies in example, the first seal 63 is to be fixedly arranged on the rubber layer 631 of the inlet suction port outer surface, when inlet suction port is inserted into During intake section, the inner wall sealing cooperation of rubber layer and intake section;62 end of air inlet pipe is inserted into the inlet suction port, and It is interference fitted with the inlet suction port;The inlet suction port 61 is equipped with a plug division 613, and 51 lower part of agitating shaft is equipped with and this The matched link slot 511 in plug division is equipped with leakage-proof structure between the plug division 613 and the link slot 511;Specifically, institute It states leakage-proof structure and includes the first application of anti-leakage layers 81, the second application of anti-leakage layers 82, lubricant layer 83 and movable sleeve 84;First application of anti-leakage layers 81st, the second application of anti-leakage layers 82 is made of rubber, which is set on the link slot inner wall, second application of anti-leakage layers 82 On the plug division outer wall
;The lubricant layer 83 is lubricating oil, is arranged on the first application of anti-leakage layers and the second application of anti-leakage layers, effectively reduces friction between the two Power;Further, 511 inner wall of link slot is equipped with the groove 512 of annular, and first application of anti-leakage layers 81 corresponds to groove Part is equally recessed inwardly, and is fixed together with the inner wall of groove, so that the first application of anti-leakage layers is partially disposed in the groove; The movable sleeve 84 is equally set between 81 and second application of anti-leakage layers 82 of the first application of anti-leakage layers, specifically, the movable sleeve 84 is placed in In the groove 512, and part is extend out to outside groove, inconsistent with the second application of anti-leakage layers, realizes leakproof.
Further, inlet suction port 61 moves in order to prevent, we direct out in the lateral wall of inlet suction port prolongs It stretches and forms two connecting portions 611, which is connected by fixing piece 612 and 11 bottom of reaction tank;Preferably, this is solid Part is determined for screw, and screw does not penetrate reaction tank bottom, effectively prevent situation about leaking occur.
The neutralization device 2 is arranged on rear side of processing unit, is connected by pipeline with the processing unit, neutralization dress It puts 2 by pipeline with liquid caustic soda storage tank 10 to be connected, which is 20% liquid caustic soda, and pipeline is equipped with centrifugal pump, can be by liquid Alkali is pumped into neutralization pond, and neutralization reaction is carried out with the hydrochloric acid in processed waste water.
Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment should all belong to the scope of protection of the invention.

Claims (9)

1. a kind of processing system for industrial wastewater, including processing unit(1), neutralization device on rear side of the processing unit (2), reactant room(4)And the agitating device in the processing unit(5);It is characterized in that:The processing unit(1)Including Reaction tank(11), intake section set on reaction tank bottom(12)And with the matched air inlet component of the intake section(6);The stirring Device(5)Being equipped with can be with the air inlet component(6)The aeration devices being connected(7);The aeration opening(73)It is equipped with extension Portion(731), the extension(731)On be removably connected with unidirectional outlet part(91);Cutting ferrule is arranged with outside the unidirectional outlet part (92).
2. a kind of processing system for industrial wastewater according to claim 1, it is characterised in that:The agitating device (5)Including agitating shaft(51)And the agitating paddle that the agitating shaft is detachably connected(52)And the actuator of driving agitating shaft rotation (53);The aeration devices(7)Including the inlet channel being set on agitating shaft(71), on agitating paddle with the inlet channel phase The aeration channel of connection(72)And multiple aeration openings being connected with the aeration channel(73).
3. a kind of processing system for industrial wastewater according to claim 2, it is characterised in that:The air inlet component (6)Including with the matched inlet suction port of the intake section(61)With with the matched air inlet pipe of the inlet suction port(62);It is described Inlet suction port(61)With the intake section(12)Between be equipped with first seal(63).
4. a kind of processing system for industrial wastewater according to claim 3, it is characterised in that:The intake section(12) To be set on the opening of reaction tank bottom;Inlet suction port(61)Lateral wall is equipped with two connecting portions(611), the connecting portion(611)It is logical Cross fixing piece(612)With the reaction tank(11)It is connected.
5. a kind of processing system for industrial wastewater according to claim 4, it is characterised in that:The first seal (63)Including being set on the intake section(12)The internal thread of inner wall and set on the inlet suction port(61)The external screw thread of outer surface.
6. a kind of processing system for industrial wastewater according to claim 4, it is characterised in that:The first seal (63)To be fixedly arranged on the rubber layer of the inlet suction port outer surface(631).
7. a kind of processing system for industrial wastewater according to claim 5 or 6, it is characterised in that:The air inlet connecting Head(61)It is equipped with a plug division(613), the agitating shaft(51)Lower part is equipped with and the matched link slot in the plug division (511), the plug division(613)With the link slot(511)Between be equipped with leakage-proof structure.
8. a kind of processing system for industrial wastewater according to claim 7, it is characterised in that:The leakage-proof structure packet Include the first application of anti-leakage layers set on the link slot inner wall(81), set on the second application of anti-leakage layers of the plug division outer wall(82)And it is set on Lubricant layer between first application of anti-leakage layers and the second application of anti-leakage layers(83).
9. a kind of processing system for industrial wastewater according to claim 8, it is characterised in that:The link slot (511)Inner wall is equipped with the groove of annular(512), first application of anti-leakage layers(81)It is at least partially disposed in the groove;It is described anti- Drain structure is further included set on first application of anti-leakage layers(81)With the second application of anti-leakage layers(82)Between movable sleeve(84), the movable sleeve(84) It is partially disposed in the groove(512)It is interior.
CN201810060537.5A 2018-01-22 2018-01-22 For the processing system of industrial wastewater Pending CN108203150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810060537.5A CN108203150A (en) 2018-01-22 2018-01-22 For the processing system of industrial wastewater

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Application Number Priority Date Filing Date Title
CN201810060537.5A CN108203150A (en) 2018-01-22 2018-01-22 For the processing system of industrial wastewater

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111217476A (en) * 2019-11-30 2020-06-02 江西艾迪尔新能源有限公司 Epichlorohydrin waste water's processing apparatus based on membrane separation technique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2613482Y (en) * 2003-04-03 2004-04-28 西安交通大学 Aeration stirring device
CN103588329A (en) * 2013-11-28 2014-02-19 南京大学 Condensation mother liquid waste water pretreatment and resource system and method in compound neutralization reactor in disperse blue 56 production process
DE102015106823A1 (en) * 2015-04-30 2016-11-03 GIP Grundwasser-Ingenieurbau-Planung GmbH Modular system and method for flexible deferrisation of water
CN106554137A (en) * 2017-01-13 2017-04-05 苏州柯米智能科技有限公司 Effluent treatment plant
CN106957115A (en) * 2017-04-05 2017-07-18 绍兴柯桥江滨水处理有限公司 A kind of processing system and processing method of sulfur-bearing cyanogen waste water

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2613482Y (en) * 2003-04-03 2004-04-28 西安交通大学 Aeration stirring device
CN103588329A (en) * 2013-11-28 2014-02-19 南京大学 Condensation mother liquid waste water pretreatment and resource system and method in compound neutralization reactor in disperse blue 56 production process
DE102015106823A1 (en) * 2015-04-30 2016-11-03 GIP Grundwasser-Ingenieurbau-Planung GmbH Modular system and method for flexible deferrisation of water
CN106554137A (en) * 2017-01-13 2017-04-05 苏州柯米智能科技有限公司 Effluent treatment plant
CN106957115A (en) * 2017-04-05 2017-07-18 绍兴柯桥江滨水处理有限公司 A kind of processing system and processing method of sulfur-bearing cyanogen waste water

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
宋业林等: "《水处理设备实用手册》", 31 July 2004, 中国石化出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111217476A (en) * 2019-11-30 2020-06-02 江西艾迪尔新能源有限公司 Epichlorohydrin waste water's processing apparatus based on membrane separation technique

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Application publication date: 20180626