CN207986882U - A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device - Google Patents
A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device Download PDFInfo
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- CN207986882U CN207986882U CN201721845605.6U CN201721845605U CN207986882U CN 207986882 U CN207986882 U CN 207986882U CN 201721845605 U CN201721845605 U CN 201721845605U CN 207986882 U CN207986882 U CN 207986882U
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Abstract
The utility model is related to a kind of rubbish percolation liquid membrane filtering and concentrating liquid processing devices, including the first reactive tank connected in sequence, the second reactive tank, the charging device for being connected to respective reaction slot, intermediate pool, equipment for separating liquid from solid；The charging device includes the alkali throwing device and sodium carbonate softening agent throwing device for being connected to the lime softening agent throwing device of first reactive tank, and being connected to second reactive tank；Pipeline between the intermediate pool and the equipment for separating liquid from solid is equipped with delivery pump, and adds flocculant by flocculating agent feeding device on the transfer pipeline.The utility model provides a kind of stabilization reliable for operation, high treating effect, it is easy to accomplish the rubbish percolation liquid membrane filtering and concentrating liquid processing device of automation.By the linkage of the utility model each unit, effective control of adding of agent effectively mitigates the operation stability of concentrate successive depths processing pressure, safeguards system.
Description
Technical field
The utility model is related to a kind of rubbish percolation liquid membrane filtering and concentrating liquid processing devices.
Background technology
Domestic waste most important composition part in China's is rubbish from cooking, accounts for 60% or more, thus has and contain
The features such as water rate is very high, perishable smelly.It needs rubbish storage making moisture in dump pit 5~7 days or so before consumer waste incineration
It fully leaches, to improve calorific value.During rubbish decomposed draining, a large amount of landfill leachate will be generated, accounts for about 15~25%
Or so, the pollutants such as inorganic ions such as a large amount of organic matter, ammonia nitrogen and calcium and magnesium contained in rubbish also leach out.Work as rubbish
Storage time is longer, and percolate is in slant acidity, and the wherein inorganic ions content such as calcium and magnesium is also higher.
The main technique of domestic incineration plant consumer waste infiltration liquid processing at present is " MBR+ UF membranes ", and wherein UF membrane is logical
Often by nanofiltration, it is reverse osmosis be used as advanced treatment process, resulting concentration liquid measure accounts for about the 20~30% of total treating capacity.Double films
Method application makes to retain a large amount of non-degradables and Humus organic matter difficult to degrade, calcium ions and magnesium ions, monovalent ion etc. in concentrate
Substance has the characteristics that biodegradability, hardness is not high, conductivity is big.Wherein, hardness height is easy to that equipment and pipeline is made to tie
Dirt, clogging, seriously affect the recycling of concentrate.For concentrate feature with high hardness, develop a kind of economical rationality,
The feasible device of effect stability be very it is necessary to.
Invention content
The technical problems to be solved in the utility model, is to provide a kind of stabilization reliable for operation, and high treating effect is easy to real
The rubbish percolation liquid membrane filtering and concentrating liquid processing device now automated.
The utility model is realized in this way：
A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device, including the first reactive tank connected in sequence, the second reaction
Slot, the charging device for being connected to respective reaction slot, intermediate pool, equipment for separating liquid from solid.
The equipment for separating liquid from solid is plate and frame filter-pressing device.
First reactive tank, the second reactive tank are equipped with pH on-line measuring devices and agitating device in slot respectively.
The charging device includes being connected to the lime softening agent throwing device of first reactive tank, and be connected to institute
State the alkali throwing device and sodium carbonate softening agent throwing device of the second reactive tank.
The sodium carbonate softening agent throwing device pumps sodium carbonate through metering pump to the second reactive tank.
Pipeline between the lime softening agent throwing device and the first reactive tank is equipped with the screw pump of conveying, delivery pipe
Butterworth Hatch is arranged in road, convenient for detergent line to prevent pipeline blockage from passing through.
Pipeline between the intermediate pool and the equipment for separating liquid from solid is equipped with delivery pump, and on the transfer pipeline
Flocculant is added by flocculating agent feeding device.
Agitating device and liquid level gauge are equipped in the intermediate pool.
The utility model has the advantage of：By the linkage of the utility model each unit, effective control of adding of agent, shape
At a kind of simple in structure, stabilization reliable for operation, easily operated maintenance, the device of total hardness high treating effect effectively mitigates concentration
The operation stability of liquid successive depths processing pressure, safeguards system.
Description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Refering to Figure 1, a kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device of the utility model, including sequentially
First reactive tank 1 of connection, the charging device for being connected to respective reaction slot, intermediate pool 3, is separated by solid-liquid separation dress at the second reactive tank 2
It sets.
The equipment for separating liquid from solid is plate and frame filter-pressing device 4.
First reactive tank 1, the second reactive tank 2 are equipped with pH on-line measuring devices 5 and agitating device 6 in slot respectively.
The charging device includes being connected to the lime softening agent throwing device 7 of first reactive tank 1, and be connected to
The alkali throwing device 8 and sodium carbonate softening agent throwing device 9 of second reactive tank 2.
Pipeline between the lime softening agent throwing device 7 and the first reactive tank 1 is equipped with the screw pump of conveying, conveying
Butterworth Hatch is arranged in pipeline, convenient for detergent line to prevent pipeline blockage from passing through.
The sodium carbonate softening agent throwing device 9 pumps sodium carbonate through metering pump to the second reactive tank 2.
Pipeline between the intermediate pool 3 and plate and frame filter-pressing device 4 is equipped with delivery pump, and on the transfer pipeline
Flocculant is added by flocculating agent feeding device 10.
Agitating device 6 and liquid level gauge 11 are equipped in the intermediate pool 3.
In use, the concentrate that certain incineration plant landfill leachate generates after nanofiltration, reverse-osmosis treated, water outlet is soft with lime
Agent enters the first reactive tank 1, control ph together, and underwater stirrer 6 is arranged, and uniformly mixes to ensure reaction uniformity,
Prevent limy muddy water mixed solution from precipitating.First reactive tank 1 removes carbonate hardness in concentrate by adding white lime,
Lime softening medicament is conveyed after needing agitated dissolving by screw pump.Water outlet is together with alkali, sodium carbonate softening agent after first reaction
Into the second reactive tank 2, control ph, and underwater stirrer 6 is set, be uniformly mixed and enters intermediate pool after fully reacting
3.Second reactive tank 2 removes noncarbonate class hardness in concentrate by adding sodium carbonate, and sodium carbonate softens medicament need to be agitated
It is conveyed by metering pump after dissolving.Liquid level gauge 11 and underwater stirrer 6 is arranged in intermediate pool 3, prevents sludge settling.Water outlet passes through
Delivery pump is delivered to plate and frame filter-pressing device 4 and is squeezed.PAM flocculants are added on transfer pipeline, using cation polypropylene
Amide.The removal rate for going out total hardness of water after sofening treatment is up to the removal rate of 95% or more, COD and reaches 20%, and coloration is gone
Except rate is 50% or more, basicity removal rate reaches 90% or more.
The device of the utility model is using chemical medicine system and two-stage reaction slot composition, in two reactive tanks, according to
Technique needs to add corresponding softening medicament, and controls the pH value of reaction, makes medicament by sufficient mechanical agitation
It is thoroughly mixed and reacts with water inlet, it is effectively that the carbonate of the overwhelming majority and noncarbonate class hardness is different at two respectively
Removal in reactive tank, to improve bating effect.A large amount of calcium-magnesium-containing mud mixed liquids are generated by softening process and directly pass through sheet frame
Filter press filtering water outlet, while PAM flocculants are added, reinforcing mat catches, rolls up the effect of sweeping, and forms bulky grain floccule body, ensures filtering
The effect of water outlet.
Although the foregoing describe specific embodiment of the present utility model, those familiar with the art answers
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (6)
1. a kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device, it is characterised in that：Including passing through pipeline sequentially connected
One reactive tank, the second reactive tank, the charging device for being connected to respective reaction slot, intermediate pool, equipment for separating liquid from solid；It is described to feed intake
Device includes being connected to the lime softening agent throwing device of first reactive tank, and be connected to the alkali of second reactive tank
Throwing device and sodium carbonate softening agent throwing device；Pipeline between the intermediate pool and the equipment for separating liquid from solid is equipped with
Delivery pump, and flocculant is added by flocculating agent feeding device on the transfer pipeline.
2. rubbish percolation liquid membrane filtering and concentrating liquid processing device as described in claim 1, it is characterised in that：The separation of solid and liquid
Device is plate and frame filter-pressing device.
3. rubbish percolation liquid membrane filtering and concentrating liquid processing device as described in claim 1, it is characterised in that：First reaction
Slot, the second reactive tank are equipped with pH on-line measuring devices and agitating device in slot respectively.
4. rubbish percolation liquid membrane filtering and concentrating liquid processing device as described in claim 1, it is characterised in that：The sodium carbonate is soft
Agent throwing device pumps sodium carbonate through metering pump to the second reactive tank.
5. rubbish percolation liquid membrane filtering and concentrating liquid processing device as described in claim 1, it is characterised in that：The lime softening
Pipeline between agent throwing device and the first reactive tank is equipped with the screw pump of conveying, and Butterworth Hatch is arranged in transfer pipeline.
6. rubbish percolation liquid membrane filtering and concentrating liquid processing device as described in claim 1, it is characterised in that：The intermediate pool
It is interior to be equipped with agitating device and liquid level gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845605.6U CN207986882U (en) | 2017-12-26 | 2017-12-26 | A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721845605.6U CN207986882U (en) | 2017-12-26 | 2017-12-26 | A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207986882U true CN207986882U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721845605.6U Active CN207986882U (en) | 2017-12-26 | 2017-12-26 | A kind of rubbish percolation liquid membrane filtering and concentrating liquid processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921903A (en) * | 2019-11-27 | 2020-03-27 | 赤峰科安水处理技术设备有限责任公司 | Novel method for hardness-reducing purification treatment of high-concentration salt wastewater |
| CN113562883A (en) * | 2021-08-23 | 2021-10-29 | 厦门嘉戎技术股份有限公司 | Landfill leachate pretreatment process |
-
2017
- 2017-12-26 CN CN201721845605.6U patent/CN207986882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921903A (en) * | 2019-11-27 | 2020-03-27 | 赤峰科安水处理技术设备有限责任公司 | Novel method for hardness-reducing purification treatment of high-concentration salt wastewater |
| CN113562883A (en) * | 2021-08-23 | 2021-10-29 | 厦门嘉戎技术股份有限公司 | Landfill leachate pretreatment process |
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