CN108927280A - Bottom slag washing and sorting system - Google Patents
Bottom slag washing and sorting system Download PDFInfo
- Publication number
- CN108927280A CN108927280A CN201710552254.8A CN201710552254A CN108927280A CN 108927280 A CN108927280 A CN 108927280A CN 201710552254 A CN201710552254 A CN 201710552254A CN 108927280 A CN108927280 A CN 108927280A
- Authority
- CN
- China
- Prior art keywords
- sewage
- pond
- bottom slag
- water
- slag washing
- 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.)
- Granted
Links
- 239000002893 slag Substances 0.000 title claims abstract description 41
- 238000005406 washing Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000010865 sewage Substances 0.000 claims abstract description 51
- 238000012216 screening Methods 0.000 claims abstract description 37
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 239000010882 bottom ash Substances 0.000 claims description 43
- 238000000926 separation method Methods 0.000 claims description 27
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000008400 supply water Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
- B03B5/56—Drum classifiers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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)
- Processing Of Solid Wastes (AREA)
Abstract
A bottom slag washing and sorting system is suitable for washing and sorting bottom slag generated by an incinerator by using operation water. The sewage flowing out of the bottom slag washing and sorting system enters a sewage treatment system for subsequent treatment. The bottom slag washing and sorting system comprises a bottom slag wet screening unit, a water storage device and a filtering unit. The bottom slag wet screening unit uses the operation water to carry out wet screening treatment on the bottom slag to generate sewage. The water storage device comprises a first pool and a second pool. And sewage generated by the bottom slag wet screening unit flows into the first tank to reduce the pH value and defoam. The filtering unit filters the bottom slag by the water supply processed by the first tank to obtain fine aggregate, and discharges a part of the generated sewage to the sewage treatment system for subsequent treatment. And the other part of the sewage generated by the filtering unit is used as recovered water, flows into the second tank to reduce the pH value and defoam, so that the recovered water flowing out of the second tank can flow back to the bottom slag wet screening unit for recycling.
Description
Technical field
The present invention relates to a kind of processing systems for the bottom ash that incinerator generates, and sort system more particularly to a kind of bottom slag washing
System.
Background technique
Garbage disposal is the great environmental project that is faced after mankind's intense industrialization and urbanization.At numerous rubbish
Being pocessed again in reason mode, after first being incinerated incineration firing with incinerator is a kind of current wide adopted garbage disposal side
Formula.Rubbish is handled with incinerator burning at least has following several benefits：(1) rubbish by burning incinerate after can be by rubbish
Volume significantly reduce；(2) the contained substance harmful to environment can be removed by incinerating burning in rubbish；(3) it burns
The burning for changing furnace is implemented in the environment of control, and discharge gas can be reduced by monitoring appropriate and processing to human body
Harm；And the recyclable recycling of bottom ash (Bottom Ash) after (4) burning, to improve the economic benefit of garbage disposal.
After incinerating operation, the thing for remaining on incineration siege is bottom ash.The bottom ash treatment process taken at present is equal
After first storing bottom ash, then carry out dry type screening, wet type screening, magnetic separation, eddy current choosing, it is broken and etc. after to obtain required for
Product.
Refering to fig. 1, bottom ash wet screening system 101 using operation carries out wet type screening with water 100 in existing incinerator plant area
Process.Then, the water supply for leaving the bottom ash wet screening system 101 sequentially enters sewage disposal system 102, primary sedimentation tank 103, equalization basin
104, pH value adjustment pond 105, fastly mixed pond 106, slowly mixed pond 107, final deposition pool 108, buffer pool 109, filter plant 110, activated carbon
Adsorption plant 111 and recovery pond 112 are handled, and are finally flowed through and are released pond 113 and discharged.In addition, flowing out the buffer pool 109
Part supply water and flow out the recovery pond 112 part supply water can flow back to the bottom ash wet screening system 101 again and can recycle again benefit
With.
However, the processing cost of sewage caused by above-mentioned existing bottom ash wet screening system 101 is higher, and recycle-water circulation benefit
Efficiency it is lower and more not environmentally, therefore, it is necessary to seek solution.
Summary of the invention
The purpose of the present invention is to provide a kind of bottom slag washing separation systems.
Bottom slag washing separation system of the present invention, suitable for carrying out washing sorting to the bottom ash that incinerator generates with water with operation
Processing.The sewage for flowing out the bottom slag washing separation system enters sewage disposal system and carries out subsequent processing.Bottom slag washing sorting
System includes a bottom ash wet screening unit, a water storage apparatus and a filter element.The bottom ash wet screening unit is used for the work
Industry carries out wet type Screening Treatment to the bottom ash with water, and thus generates sewage.The water storage apparatus includes first pond and one
Second pond, the sewage which generates flow into first pond and reduce pH-value and defoam.The filter element be used for
Treated in first pond supplies water and is filtered processing to the bottom ash, to obtain fine aggregate, and by a part of the sewage of generation
It is emitted into the sewage disposal system and carries out subsequent processing, the another part for the sewage which generates is as recycle-water, stream
Entering second pond reduces pH-value and defoams, so that the recycle-water for flowing out second pond can flow back to bottom ash wet screening unit recycling again
It utilizes.
Bottom slag washing separation system of the present invention, accommodating sulfuric acid is to reduce the dirt of bottom ash wet screening unit generation in first pond
The pH-value of water, and sulfuric acid is accommodated in second pond to reduce the pH-value of the sewage of filter element generation.
Bottom slag washing separation system of the present invention, the sulfuric acid in first pond and the sulfuric acid in second pond make the acid of sewage
Base number is reduced to pH6 to pH8.
Bottom slag washing separation system of the present invention accommodates dirt of the defoaming agent to generate to the bottom ash wet screening unit in first pond
Water is defoamed.
Bottom slag washing separation system of the present invention, in second pond accommodating defoaming agent with sewage that the filter element is generated into
Row defoaming.
Bottom slag washing separation system of the present invention, the water storage apparatus further include the blender being set in first pond,
The blender with a vertical shaft, one is used to that the motor of shaft rotation, a row to be driven to be fixedly arranged on the shaft lower end
With the spray that can be fixedly arranged on the shaft upper end with the chain that the shaft rotates together and a row can rotate together with the shaft
Hydrophone.
Bottom slag washing separation system of the present invention, the row chain item of the blender of the water storage apparatus are mild steel link chain.
The motor of bottom slag washing separation system of the present invention, the blender of the water storage apparatus drives the shaft with per minute
5 turns of rotational speed.
Bottom slag washing separation system of the present invention, which is plate and frame type filter-press, bag filters formula dewaterer, centrifugal de-
Water dispenser or spiral dryer.
The beneficial effects of the present invention are：Tong Over is arranged first pond and drops to the water supply from the bottom ash wet screening unit
Low pH-value, defoaming operation, then Tong Over be arranged second pond to the recycle-water from the filter element carry out reduction pH-value,
Operation is defoamed, recycle recycle-water can by the bottom ash wet screening unit, thus levels off to zero-emission, and the processing cost of sewage
It is lower, and the efficiency for recycling water circulation use is higher and more environmentally friendly.
Detailed description of the invention
Fig. 1 is a flow chart, and illustrate the bottom ash wet screening system of existing incinerator plant area uses Water flow-path；
Fig. 2 is a flow chart, and illustrate the embodiment of bottom slag washing separation system of the present invention uses Water flow-path；
Fig. 3 is a front view, illustrates the plate and frame type filter-press in the embodiment；
Fig. 4 is side view diagram, illustrates the water storage apparatus in the embodiment；
Fig. 5 is a top view, illustrates the water storage apparatus；And
Fig. 6 is side view diagram, illustrates the blender being set in the water storage apparatus.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and embodiments.
Referring to Fig.2, the embodiment of bottom slag washing separation system of the present invention, is suitable for operation with water 100 to incinerator (figure
Do not show) generate bottom ash carry out washing sorting process.The sewage for flowing out the bottom slag washing separation system flows into sewage disposal system
102 carry out subsequent processing.In the present embodiment, which includes bottom ash wet screening unit 2, one filterings
Unit 3 and a water storage apparatus 4.
The bottom ash wet screening unit 2 is used to carry out wet type Screening Treatment to the bottom ash with water 100 with the operation, and thus generate
Sewage.It in the present embodiment, is to set a water supplying unit when carrying out wet type Screening Treatment to bottom ash with the bottom ash wet screening unit 2
It is placed in a rotary screen, bottom ash is washed away with water jets under high pressure while carrying out rolling screening in the rotary screen, mode removes whereby
Bottom ash partial size is less than 5.5mm person.Organic matter in bottom ash and chloride ion can be made molten by the mode of washing away of water jets under high pressure
It is pulled away in water, while water jets under high pressure can also wash away the sieve pore of the rotary screen, sieve pore is avoided to be blocked and reduced and sieve by bottom ash
Select efficiency.Since the structure of the water supplying unit and the rotary screen is not the focus of this case, so forgiving can be not required in the present embodiment separately
It is painted its thin portion structure outside.
Refering to Fig. 2,4,5, which includes that 41, one, the first pond, second pond 42 and one are set to this
Blender 43 in first pond 41.As shown in Figure 4,5, in the present embodiment, which is by a bottom wall 410, and number
It is formed constructed by piece vertical wall 411,412,413,414.The bottom wall 410 and the vertical wall 411,412,413,414 are common
Define the accommodating space for accommodating sewage and the blender 43.Second pond 42 is by a bottom wall 420 and several pieces are vertical
It is formed constructed by wall 421,422,423,414, and the vertical wall 414 is shared by both first pond 41 and second pond 42.
The bottom wall 420 and the vertical wall 421,422,423,414 define the accommodating space for accommodating sewage jointly.
As shown in Fig. 2, the sewage that the bottom ash wet screening unit 2 generates, which flows into first pond 41, to be reduced pH-value and defoams.
Refering to Fig. 2,3, which, which is used to supply water so that treated in first pond 41, carries out dewatering and filtering to the bottom ash
Processing, to obtain fine aggregate, and is pressed into sludge cake, and a part of the sewage of generation is emitted into the sewage disposal system
102 carry out subsequent processing.In the present embodiment, the filter element 3 can be for example, plate and frame type filter-press (as shown in Figure 3),
Bag filter formula dewaterer, centrifugal drier or spiral dryer etc..
As shown in Fig. 2, the filter element 3 generate sewage another part as recycle-water, flow into second pond 42 into
One step reduces pH-value and defoaming.In the present embodiment, in first pond 41 and second pond 42 sulfuric acid is accommodated so that sewage
PH-value is reduced to pH6 to pH8.
Refering to Fig. 5,6, in the present embodiment, which there are one vertical shaft 431, one to be used to drive the axis
The chain that the motor 432 of the rotation of bar 431, a row are fixedly arranged on the lower end 439 of the shaft 431 can rotate together with the shaft 431
The water jet 434 that item 433 and a row are fixedly arranged on the upper end 438 of the shaft 431 can rotate together with the shaft 431.It should
Row chain item 433 can be for example, mild steel link chain.
In the present embodiment, which can drive the shaft 431 to rotate, such as with 5 turns of rotational speed per minute,
It thus drives the row chain item 433 to stir sewage, digs the precipitating silt in sewage, can prevent sediment deposition (otherwise can be hard
Change).In addition, being sprayed water in the present embodiment using row's water jet 434 to break up bubble.
In the present embodiment, can be defoamed by the defoaming agent being placed in first pond 41, and when sewage flow to this
When two ponds 42, the defoaming agent being placed in second pond 42 can play the effect further defoamed.
Referring to Fig.2, then, when the another part for the sewage that the filter element 3 generates completes drop in second pond 42
After the operations such as low pH-value, defoaming, recycling recycle-water can be generated and flow back to the bottom ash wet screening unit 2 recycling.
In addition, the sewage disposal system 102 also receives when necessary other than receiving the sewage from the filter element 3
It completes to reduce the sewage generated after the operations such as pH-value, defoaming in second pond 42.Then, the sewage disposal system 102 is left
Supply water sequentially enter primary sedimentation tank 103, equalization basin 104, pH value adjustment pond 105, fastly mixed pond 106, slowly mixed pond 107, final deposition pool 108,
Buffer pool 109, filter plant 110, active carbon adsorption equipment 111 and recovery pond 112 are handled, and are finally flowed through and are released pond 113
It is discharged.Furthermore the part water supply for flowing out the buffer pool 109 and the part for flowing out the recovery pond 112 are supplied water and can be flowed back to again
The bottom ash wet screening unit 2 and can recycling and reusing.
In conclusion bottom slag washing separation system of the present invention has the water storage apparatus 4 of blender 43 to sewage by setting
Reduction pH-value, stirring, defoaming operation are carried out, recycle it can by the bottom ash wet screening unit 2, thus levels off to zero-emission
It puts, and the processing cost of sewage is lower, and the efficiency for recycling water circulation use is higher and more environmentally friendly, so this can be reached really
The purpose of invention.
Claims (9)
1. a kind of bottom slag washing separation system, suitable for being carried out at washing sorting with water to the bottom ash that incinerator generates with operation
Reason, the sewage for flowing out the bottom slag washing separation system flow into sewage disposal system and carry out subsequent processing, bottom slag washing sorting system
System includes a bottom ash wet screening unit, and the bottom ash wet screening unit is for carrying out at wet type screening the bottom ash with water with the operation
Reason, and thus generate sewage, which is characterized in that the bottom slag washing separation system also includes：
One water storage apparatus, including first pond and second pond, the sewage which generates flow into this
One pond reduces pH-value and defoams；And
One filter element is filtered processing to the bottom ash for supplying water so that treated in first pond, to obtain fine aggregate,
And a part of the sewage of generation is emitted into the sewage disposal system and carries out subsequent processing, the sewage which generates
Another part is as recycle-water, and flowing into second pond reduces pH-value and defoam, so that the recycle-water for flowing out second pond can be again
Flow back to bottom ash wet screening unit recycling.
2. bottom slag washing separation system according to claim 1, it is characterised in that：Sulfuric acid is accommodated in first pond to reduce
The pH-value for the sewage that the bottom ash wet screening unit generates, and sulfuric acid is accommodated in second pond to reduce the dirt of filter element generation
The pH-value of water.
3. bottom slag washing separation system according to claim 2, it is characterised in that：Sulfuric acid in first pond and this
Sulfuric acid in two ponds makes the pH-value of sewage be reduced to pH6 to pH8.
4. bottom slag washing separation system according to claim 1, it is characterised in that：Defoaming agent is accommodated in first pond with right
The sewage that the bottom ash wet screening unit generates is defoamed.
5. bottom slag washing separation system according to claim 1, it is characterised in that：Defoaming agent is accommodated in second pond with right
The sewage that the filter element generates is defoamed.
6. bottom slag washing separation system according to claim 1, it is characterised in that：The water storage apparatus further includes a setting
Blender in first pond, the blender have a vertical shaft, the motor for being used to that the shaft to be driven to rotate, one
Row is fixedly arranged on the shaft lower end can be fixedly arranged on the shaft upper end with the chain that the shaft rotates together and a row with energy
The water jet rotated together with the shaft.
7. bottom slag washing separation system according to claim 6, it is characterised in that：The blender of the water storage apparatus is somebody's turn to do
Row chain item is mild steel link chain.
8. bottom slag washing separation system according to claim 6, it is characterised in that：The blender of the water storage apparatus is somebody's turn to do
Motor drives the shaft with 5 turns of rotational speed per minute.
9. bottom slag washing separation system according to claim 1, it is characterised in that：The filter element is plate and frame filters pressing
Machine, bag filter formula dewaterer, centrifugal drier or spiral dryer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106117512A TWI620600B (en) | 2017-05-26 | 2017-05-26 | Bottom slag water washing and sorting system |
| TW106117512 | 2017-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927280A true CN108927280A (en) | 2018-12-04 |
| CN108927280B CN108927280B (en) | 2020-05-12 |
Family
ID=62639811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710552254.8A Active CN108927280B (en) | 2017-05-26 | 2017-07-07 | Bottom slag washing and sorting system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108927280B (en) |
| TW (1) | TWI620600B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI734083B (en) * | 2019-03-07 | 2021-07-21 | 富鈞水資股份有限公司 | Sewage automatic allocation system and its allocation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359789A (en) * | 1972-01-31 | 1982-11-23 | Monogram Industries, Inc. | Sewerless disposal system |
| CN104084415A (en) * | 2014-07-02 | 2014-10-08 | 天津壹鸣环境工程有限公司 | Technology for reducing waste incineration fly ash via water logging pretreatment |
| CN105772484A (en) * | 2016-03-23 | 2016-07-20 | 武汉纺织大学 | Urban domestic sludge incineration ash harmless treatment technology and phosphorus compound recycling method |
| CN105858952A (en) * | 2016-04-20 | 2016-08-17 | 余荣和 | Sewage pretreatment method |
| CN106045225A (en) * | 2016-07-29 | 2016-10-26 | 南京福昌环保有限公司 | Wastewater treatment technology for recycling acroleic acid and residual ester liquid |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4077718B2 (en) * | 2002-12-03 | 2008-04-23 | 新日鉄エンジニアリング株式会社 | Melt treatment facility in waste melting treatment |
| TW200938301A (en) * | 2008-03-11 | 2009-09-16 | Kobin Environmental Entpr Co Ltd | Water-washing process for incineration bottom residues |
| TW200951228A (en) * | 2008-06-02 | 2009-12-16 | Da Di Liang Environmental Prot Services Ltd | Water-washing treating method for slag |
| TW201116344A (en) * | 2009-11-06 | 2011-05-16 | Wei-Zhou Xie | System and method for processing incinerator bottom ash |
| WO2014056065A1 (en) * | 2012-10-12 | 2014-04-17 | Blue Sky Mines Ltd. | Methods of and systems for treating incinerated waste |
| JP6330210B2 (en) * | 2013-08-22 | 2018-05-30 | 三菱重工環境・化学エンジニアリング株式会社 | Wastewater treatment facility |
-
2017
- 2017-05-26 TW TW106117512A patent/TWI620600B/en active
- 2017-07-07 CN CN201710552254.8A patent/CN108927280B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4359789A (en) * | 1972-01-31 | 1982-11-23 | Monogram Industries, Inc. | Sewerless disposal system |
| CN104084415A (en) * | 2014-07-02 | 2014-10-08 | 天津壹鸣环境工程有限公司 | Technology for reducing waste incineration fly ash via water logging pretreatment |
| CN105772484A (en) * | 2016-03-23 | 2016-07-20 | 武汉纺织大学 | Urban domestic sludge incineration ash harmless treatment technology and phosphorus compound recycling method |
| CN105858952A (en) * | 2016-04-20 | 2016-08-17 | 余荣和 | Sewage pretreatment method |
| CN106045225A (en) * | 2016-07-29 | 2016-10-26 | 南京福昌环保有限公司 | Wastewater treatment technology for recycling acroleic acid and residual ester liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201900280A (en) | 2019-01-01 |
| TWI620600B (en) | 2018-04-11 |
| CN108927280B (en) | 2020-05-12 |
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Effective date of registration: 20200804 Address after: 2-11 / F, 52 Wufu San Road, Qianjin District, Kaohsiung, Taiwan, China Patentee after: Jingji Co., Ltd Address before: Pingdong County Patentee before: YINGCHENG Co.,Ltd. |
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