CN208532304U - A kind of sewage-treatment plant - Google Patents
A kind of sewage-treatment plant Download PDFInfo
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- CN208532304U CN208532304U CN201821172000.XU CN201821172000U CN208532304U CN 208532304 U CN208532304 U CN 208532304U CN 201821172000 U CN201821172000 U CN 201821172000U CN 208532304 U CN208532304 U CN 208532304U
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- sewage
- electrolytic cell
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- pac
- treatment plant
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Abstract
The utility model belongs to technical field of sewage purification, disclose a kind of sewage-treatment plant, including electrolytic cell, isolating device, sewage pipe, sewage stirring machine, PAC charging device and PAM charging device, the electrolytic cell includes electrode plates group, PAC feeding port and PAM feeding port, the PAC feeding port is located at the electrolytic cell lower part, the PAM feeding port is located at the upper part of the electrolytic cell, the isolating device is located in the electrolytic cell and including dirt inlet and sewage draining exit, the agitator arm of the sewage stirring machine is located in the isolating device, the electrode plates group is located at outside the isolating device, the dirt inlet connects the sewage pipe, the sewage draining exit is connected to the isolating device and the electrode plates group and is located in the middle part of the electrolytic cell.The utility model overcomes traditional electrolyte decontamination apparatus because destroying the defect that flocculating effect brought by electrolysis bubble is poor, filter device takes up a large area using high-speed air stirring by the way that an isolating device is arranged in electrolytic cell.
Description
Technical field
The utility model belongs to technical field of sewage purification, and in particular to a kind of sewage-treatment plant.
Background technique
Sewage treatment is the key that one ring of Production in Chemical Plant, and sewage water treatment method includes Chemical treatment, microorganism
The multiple means such as processing and electrolytic oxidation process, wherein electrolyzing sewage processing technique is to utilize electrolytic anode by COD object in sewage
The principle of matter oxidation reduces waste water COD, is usually used cooperatively with flocculant, flocculant by the COD substance flocculation sedimentation after reduction,
Last complement filter device, separates water and crust block.
However, traditional electrolytic cell generallys use air blower or air for the factors such as electrolytic efficiency, electrode passivation consider
Compressor carries out air stirring, on the one hand air stirring can be such that waste water generates outside electrification spray spillage electrolytic cell, cause safety hidden
Suffer from；On the other hand, bubble caused by air stirring is big and is unevenly distributed, and air pocket smashes the minute bubbles that electrolysis generates, no
It is electrolysed generated slag body conducive to flocculant package, causes flocculating effect poor, while slag body sinks to bottom of electrolytic tank, separately needs to filter
Device separates pulp water, causes the raising of occupied area and cost.
Traditional electrolyte slot is horizontal type structure, and spacing between plates big (40mm-80mm), voltage high (50V-450V), electric current are small
(20A/m2), high voltage is unfavorable for production safety, and low current and big spacing between plates then reduce electrolytic efficiency.
In addition, traditional electrolyte slot is not due to having apparatus for eliminating sludge, it is poly- in cathode when calcium ion and magnesium ion in sewage are electrolysed
Collection, makes electrode passivation, causes electrode plate generally just need to remove cleaning within 7 days or so in operation, reduces the efficiency of production.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of certainly floating conducive to slag body
Sewage-treatment plant.
The technology employed by the present utility model is include electrolytic cell, isolating device, sewage pipe, sewage stirring machine,
PAC charging device and PAM charging device, the electrolytic cell include electrode plates group, PAC feeding port and PAM feeding port, described
PAC feeding port is located at the electrolytic cell lower part, and the PAM feeding port is located at the upper part of the electrolytic cell, and the isolating device is located at
In the electrolytic cell and including dirt inlet and sewage draining exit, the agitator arm of the sewage stirring machine is located in the isolating device,
The electrode plates group is located at outside the isolating device, the dirt inlet connection sewage pipe, described in the sewage draining exit conducting
Isolating device and the electrode plates group are simultaneously located in the middle part of the electrolytic cell.
Further, metal ion removal device is equipped in the isolating device, the metal ion removal device includes
Negative pole part and anode portion, the isolating device bottom are equipped with the scale removing mouth extended to except the electrolytic cell.
Further, the sewage-treatment plant further includes from floating trough, and the electrolytic cell includes being connected with described from floating trough
The pulp water outlet connect, the pulp water outlet are located at the upper part of the electrolytic cell.
Further, the sewage-treatment plant further includes Slag Scraping Device and slag charge collecting tank, described to open up from floating trough top
There is dross outlet, the dross outlet connects the slag charge collecting tank, and the Slag Scraping Device is located at dross outlet.
Further, described from floating trough includes anti-shock baffle, and the anti-shock baffle is by the pulp water outlet and institute
Slag Scraping Device is stated to keep apart.
Further, the sewage stirring machine is low speed sewage stirring machine, and the mixing speed of the sewage stirring machine is less than
Equal to 1.5r/min.
Further, the electrode plates group includes anode pole piece group and cathode sheet group, and the anode pole piece group includes
The spacing of multiple anode pole pieces, two neighboring anode pole piece is 10mm-25mm, and the cathode sheet group includes multiple cathode poles
Piece, the spacing of two neighboring cathode sheet are 10mm-25mm.
Further, the voltage between the anode pole piece group and cathode sheet group is 0V-15V.
Further, the electric current on the anode pole piece and cathode sheet is 100A/m2-200A/m2。
Further, the sewage-treatment plant further includes control system, sump, submersible sewage pump and liquidometer, described latent
Dirt pump connects the sump and the sewage pipe, and the liquidometer is inserted into the sump, and the PAC charging device includes
PAC blender and PAC add metering pump, and the PAM charging device includes PAM blender and PAM adds metering pump, the liquid level
Meter, submersible sewage pump, PAC blender, PAC add metering pump, PAM blender, PAM and add metering pump, sewage stirring machine, metal ion
Removal device, anode pole piece group, cathode sheet group and Slag Scraping Device are electrically connected with the control system.
The utility model has the following beneficial effects:
1, the utility model in electrolytic cell by being arranged an isolating device, by the agitator arm and electrode of sewage stirring machine
Pole piece group is kept apart, it is ensured that is electrolysed the minute bubbles such as oxygen, the hydrogen of generation and will not be stirred impeller and smash, being conducive to flocculant will
The slag body package generated after SS particle and COD oxidation in sewage, generates the flocculate of high surface area, wraps up simultaneously in flocculate
Minute bubbles abundant are conducive to flocculate and float, and accomplish being automatically separated for water and slag, thus no longer need to filter equipment to grain slag
It is separated, saves production cost, decrease the occupied area of deslagging device.
2, the utility model is by, at the middle part of electrolytic cell, ensure that sewage is being electrolysed for the sewage outfalls setting of isolating device
Evenly dispersed in slot, under the premise of agitator arm is segregate, the sewage dispersibility in electrolytic cell does not decline to a great extent, protects
Electrolytic efficiency is demonstrate,proved.Meanwhile by the setting of PAC feeding port in bottom of electrolytic tank, PAM setting in upper part of the electrolytic cell, sewage enter every
From when space, first because gravity moves downward and starts gradually to be electrolysed, electrolysate encounters lower part in the electrolytic cell outside device
PAC flocculant start aggregation flocculation, occur the cell reaction of water in electrode plates group, the oxygen and hydrogen minute bubbles of generation,
Minute bubbles are wrapped in flocculate together with slag body, and minute bubbles drive flocculate to float toward upper part of the electrolytic cell, then encounter PAM and help
Solidifying agent, increases flocculate further.PAC flocculant and PAM flocculation aid can be launched simultaneously, it is not necessary to which manual control is launched successive
Sequentially, it reduces human cost, ensure that production safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model sewage-treatment plant；
Fig. 2 is flow direction schematic diagram in the utility model sewage-treatment plant.
In figure: 1- electrolytic cell；2- isolating device；3- sewage pipe；4- sewage stirring machine；5-PAC charging device, 6-PAM are thrown
Expect device；7- electrode plates group；8- is from floating trough；9- Slag Scraping Device；10- control system；20 sumps；11-PAC feeding port；12-
PAM feeding port；13- pulp water outlet；21- metal ion removal device；211- anode portion；212- negative pole part；22- dirt inlet；
23- scale removing mouth；24- sewage draining exit；51-PAC blender；52-PAC adds metering pump；61-PAM blender；62-PAM adds metering
Pump；71- anode pole piece group；72- cathode sheet group；711- anode pole piece；721- cathode sheet；81- anti-shock baffle；82- is clear
Water outlet；The outlet of 84- dross；83- slag charge collecting tank；202- liquidometer；201- submersible sewage pump.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
As shown in Figure 1, the sewage-treatment plant of the present embodiment includes that electrolytic cell 1, isolating device 2, sewage pipe 2, sewage stir
Machine 4, PAC charging device 5 and PAM charging device 6 are mixed, the electrolytic cell 1 includes electrode plates group 7, PAC feeding port 11 and PAM
Feeding port 12, the PAC feeding port 11 are located at 1 lower part of electrolytic cell, and the PAM feeding port 12 is located on the electrolytic cell 1
Portion, the isolating device 2 are located in the electrolytic cell 1 and including dirt inlet 22 and sewage draining exit 24, and the sewage stirring machine 4 stirs
It mixes impeller to be located in the isolating device 2, main function is the mobility that sewage is stirred evenly to and increased sewage, the electrode
Pole piece group 7 is located at outside the isolating device 2, and the dirt inlet 22 connects the sewage pipe 2, the sewage draining exit 24 be connected to it is described every
From device 2 and the electrode plates group 7 and it is located at 1 middle part of electrolytic cell.
With such a structure, isolating device 2 keeps apart agitator arm and electrode plates group 7, solves tradition
Electrolytic cell 1 be also easy to produce the defect of charged liquid spluttering under stirring, ensure that production safety.It is also avoided that electrolysis simultaneously
The oxygen and hydrogen minute bubbles that water generates are stirred impeller and smash, and wrap up oxygen while wrapping up oxidizing slag body conducive to flocculant
With hydrogen minute bubbles, and then flocculate is made to float.
Further, it is additionally provided with metal ion removal device 21 in isolating device 2, specifically, metal ion removal device
21 include negative pole part 212 and anode portion 211, and under energized state, calcium ion and magnesium ion in sewage are reduced in negative pole part 212
At dirty shape object, dirty shape object is attached to cathode, and under the action of sewage stirring machine 4, dirty shape object is detached from negative pole part 212, fall to every
From 2 bottom of device, finally it is discharged from scale removing mouth 23.
With such a structure, the metal ions such as calcium ion, magnesium ion are removed in isolating device 2, Bu Huizai
It flows into electrode plates group 7, prevents the passivation of electrode plates.This diminution also to pole piece spacing creates condition: due to electricity
The passivation phenomenon of pole pole piece is improved, and can reduce pole piece spacing as much as possible, without worrying that metal ion reduzate connects
Logical pole piece causes the interelectrode obstruction of same polarity or the interelectrode short circuit of heteropolarity.Further, the shortening of pole piece spacing is also
The reduction of two interstage voltages creates condition: under same current condition, the spacing between pole piece is shorter, and two step voltages are lower, into
And improve production safety.
The working principle of the utility model are as follows: sewage enters isolating device 2, calcium ion and magnesium in sewage from sewage pipe 2
Ion is reduced into dirty shape object in negative pole part 212, and the impeller of sewage stirring machine 4 stirs sewage in isolating device 2, promotes sewage
The sewage for being uniformly dispersed, while stirring drives dirty shape object to fall off, and dirty shape object falls into scale removing mouth 23 after falling off, and removes metal ion
Sewage isolating device 2 is discharged from sewage draining exit 24, then enter electrode plates group 7 in the middle part of the isolation channel, sewage is under the effect of gravity
It moves down, under the effect of electrode plates group 7 oxidation or reduction reaction occur for SS particle and COD particle therein, slag body is generated,
Slag body encounters PAC flocculant and is flocculated package, and the oxygen or hydrogen minute bubbles on electrode slice are also flocculated agent package, generates bubble
Flocculate abundant, flocculate up float, and encounter PAM flocculation aid on 1 top of electrolytic cell, further generate large area flocculation
Object, this large area flocculate float on 1 liquid level of electrolytic cell, and dross can be removed by way of fishing for, does not need to be further added by
Filter device separates pulp water.
In order to avoid electrification slagging-off, the utility model further includes one from floating trough 8, and 1 top of electrolytic cell is discharged equipped with a pulp water
Mouth 13, lower part are equipped with clear water outlet 82, and pulp water outlet 13 is connect with from floating trough 8, and flocculate floats on 1 surface of electrolytic cell, most
Enter eventually from pulp water outlet 13 from floating trough 8, flocculate floats from floating trough 8, then carries out dross and pull out, compared in electricity
The mode skimmed in solution slot 1 is safer.
In order to improve the degree of automation of the present apparatus, the utility model further includes a Slag Scraping Device 9 and slag charge collecting tank 83, institute
It states from 8 top of floating trough and offers dross outlet 84, the 84 connection slag charge collecting tank 83 of dross outlet, the Slag Scraping Device 9
Positioned at dross outlet 84.Specifically, Slag Scraping Device 9 includes a rotating belt and the multiple scraper plates being fixed on rotating belt,
By the rotation of rotating belt, dross is scraped in slag charge collecting tank 83.
In order to make flocculate preferably float from floating trough 8, it is described from floating trough 8 further include anti-shock baffle 81, it is described
Anti-shock baffle 81 keeps apart the pulp water outlet 13 and the Slag Scraping Device 9.After with such a structure, arranged from pulp water
The pulp water of 13 discharge of outlet will not cause to impact to slag region is scraped, and the flocculate to have floated is avoided to be beaten again by slag-water slurry
It dissipates or pours from 8 bottom of floating trough, ensure that slagging-off effect.
In order to further increase the degree of automation of this sewage-treatment plant, the utility model further includes a control system
10, sump 20, submersible sewage pump 201 and liquidometer 202, the submersible sewage pump 201 connect the sump 20 and the sewage pipe 2,
The liquidometer 202 is inserted into the sump 20, and the PAC charging device 5 includes that PAC blender 51 and PAC add metering pump
52, the PAM charging device 6 includes that PAM blender 61 and PAM add metering pump 62, the liquidometer 202, submersible sewage pump 201,
PAC blender 51, PAC add metering pump 52, PAM blender 61, PAM and add metering pump 62, sewage stirring machine 4, metal ion
Removal device 21, electrode plates group 7 and Slag Scraping Device 9 are electrically connected with the control system 10.After with such a structure, behaviour
Author only needs that 20 liquid level monitoring of sump can be carried out by operation control system 10, sewage is pumped into, the control of PAC and PAM dosage,
Sewage mixing control, the voltage and current control of metal ion removal device 21, the voltage and current control of electrode plates group 7 and scrape slag
The control of machine 9, departing from dangerous live line work environment, further ensures production safety without carrying out execute-in-place.
It is noted that blender used by the utility model is sewage stirring machine 4, mixing speed is less than or equal to
1.5r/min.Specifically, in the present embodiment, the mixing speed of mixing speed 1.5r/min, 1.5r/min can avoid dirt
The air pocket for being unfavorable for flocculant package is formed in water, the dirty shape object for being but enough that cathode is promoted to be formed falls off.
As described above, due to the utility model in isolating device 2 be provided with metal ion removal device 21, metal from
Son is removed in isolating device 2, avoids the passivation of motor pole piece group, is created condition for the diminution of pole piece spacing.Specifically
Ground, in the present embodiment, the electrode plates group 7 include anode pole piece group 71 and 721 group 71172 of cathode sheet, the sun
Pole pole piece group 71 includes multiple anode pole pieces, and the spacing of two neighboring anode pole piece is 10mm-25mm, the cathode sheet 721
Group 71172 includes multiple cathode sheets 721, and the spacing of two neighboring cathode sheet 721 is 10mm-25mm.Compared to traditional electricity
Pole plate spacing is generally 40mm-80mm in solution slot 1, and the utility model greatly reduces pole plate spacing, increases electrolytic efficiency.
Reduction of the shortening of pole plate spacing also to voltage between plate creates condition, specifically, in the present embodiment, described
Voltage between anode pole piece group 71 and 721 group 71172 of cathode sheet is 0V-15V, uses 50V- compared to traditional electrolyte slot 1
The high pressure of 450V, the utility model greatly reduce voltage between pole plate, improve the security performance of production.
Electrolytic efficiency in order to further increase, the utility model is also by pole piece electric current from traditional 20A/m2It is promoted
100A/m2-200A/m2, 10 times are improved than the prior art, greatly improves electrolytic efficiency.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (10)
1. a kind of sewage-treatment plant, it is characterised in that: thrown including electrolytic cell, isolating device, sewage pipe, sewage stirring machine, PAC
Expect device and PAM charging device, the electrolytic cell include electrode plates group, PAC feeding port and PAM feeding port, the PAC feeds intake
Mouth is located at the electrolytic cell lower part, and the PAM feeding port is located at the upper part of the electrolytic cell, and the isolating device is located at the electrolysis
In slot and including dirt inlet and sewage draining exit, the agitator arm of the sewage stirring machine is located in the isolating device, the electrode
Pole piece group is located at outside the isolating device, and the dirt inlet connects the sewage pipe, and the sewage draining exit is connected to the isolating device
With the electrode plates group and in the middle part of the electrolytic cell.
2. sewage-treatment plant according to claim 1, it is characterised in that: gone in the isolating device equipped with metal ion
Except device, the metal ion removal device includes negative pole part and anode portion, and the isolating device bottom is described equipped with extending to
Scale removing mouth except electrolytic cell.
3. sewage-treatment plant according to claim 1, it is characterised in that: further include from floating trough, the electrolytic cell includes
With the pulp water outlet being connected from floating trough, the pulp water outlet is located at the upper part of the electrolytic cell.
4. sewage-treatment plant according to claim 3, it is characterised in that: further include Slag Scraping Device and slag charge collecting tank, institute
It states from floating trough top and offers dross outlet, the dross outlet connects the slag charge collecting tank, and the Slag Scraping Device is located at described
Dross outlet.
5. sewage-treatment plant according to claim 4, it is characterised in that: it is described from floating trough include anti-shock baffle, institute
It states anti-shock baffle and keeps apart the pulp water outlet with the Slag Scraping Device.
6. sewage-treatment plant according to claim 1, it is characterised in that: the sewage stirring machine is the stirring of low speed sewage
The mixing speed of machine, the sewage stirring machine is less than or equal to 1.5r/min.
7. sewage-treatment plant according to claim 1, it is characterised in that: the electrode plates group includes anode pole piece group
With cathode sheet group, the anode pole piece group includes multiple anode pole pieces, and the spacing of two neighboring anode pole piece is 10mm-
25mm, the cathode sheet group include multiple cathode sheets, and the spacing of two neighboring cathode sheet is 10mm-25mm.
8. sewage-treatment plant according to claim 7, it is characterised in that: the anode pole piece group and cathode sheet group it
Between voltage be 0V-15V.
9. sewage-treatment plant according to claim 7, it is characterised in that: the electricity on the anode pole piece and cathode sheet
Stream is 100A/m2-200A/m2。
10. sewage-treatment plant according to claim 7, it is characterised in that: further include control system, sump, latent dirt
Pump and liquidometer, the submersible sewage pump connect the sump and the sewage pipe, and the liquidometer is inserted into the sump, described
PAC charging device includes PAC blender and PAC adds metering pump, and the PAM charging device includes that PAM blender and PAM are added
Metering pump, the liquidometer, submersible sewage pump, PAC blender, PAC add metering pump, PAM blender, PAM and add metering pump, sewage
Blender, metal ion removal device, anode pole piece group, cathode sheet group and Slag Scraping Device are electrically connected with the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172000.XU CN208532304U (en) | 2018-07-23 | 2018-07-23 | A kind of sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172000.XU CN208532304U (en) | 2018-07-23 | 2018-07-23 | A kind of sewage-treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208532304U true CN208532304U (en) | 2019-02-22 |
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ID=65385982
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821172000.XU Active CN208532304U (en) | 2018-07-23 | 2018-07-23 | A kind of sewage-treatment plant |
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| Country | Link |
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| CN (1) | CN208532304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040887A (en) * | 2019-05-10 | 2019-07-23 | 四川省科源工程技术测试中心 | A kind of organic liquid waste processing method and processing device |
-
2018
- 2018-07-23 CN CN201821172000.XU patent/CN208532304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040887A (en) * | 2019-05-10 | 2019-07-23 | 四川省科源工程技术测试中心 | A kind of organic liquid waste processing method and processing device |
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