CN112645560A - Sludge treatment system of thermal power plant - Google Patents
Sludge treatment system of thermal power plant Download PDFInfo
- Publication number
- CN112645560A CN112645560A CN202011520088.1A CN202011520088A CN112645560A CN 112645560 A CN112645560 A CN 112645560A CN 202011520088 A CN202011520088 A CN 202011520088A CN 112645560 A CN112645560 A CN 112645560A
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- CN
- China
- Prior art keywords
- sludge
- module
- sintering
- power plant
- thermal power
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a sludge treatment system of a thermal power plant, which belongs to the technical field of the thermal power plant, and comprises a sludge dewatering module, a water filtering module, a sintering module, a metal precipitation module and a collection module, wherein the sludge dewatering module is used for dewatering sludge and performing dry-wet separation, the water filtering module is used for filtering water collected in the sludge dewatering module, filtering and collecting the water, the sintering module is used for sintering the dewatered sludge, collecting sintering products and collecting generated flue gas, the metal precipitation module is used for precipitating internal metal elements after sludge sintering, and the collection module is used for collecting the metal elements after metal precipitation and collecting the treated sludge; the system makes full use of the hydrated metal elements in the sludge, improves the utilization value of the sludge and makes full use of water resources.
Description
Technical Field
The invention belongs to the technical field of thermal power plants, and particularly relates to a sludge treatment system of a thermal power plant.
Background
The sludge is a necessary product after sewage treatment, the sludge is a high-moisture porous medium substance with high moisture content, the moisture content of untreated sludge is as high as 75-99%, and the untreated sludge mainly comprises adsorption water, internal water, fine water and interstitial water. The sludge contains organic matters, nitrogen, phosphorus, potassium and various trace elements with potential utilization values, but also contains pathogenic substances such as parasitic ova and pathogenic microorganisms, and heavy metals such as copper, zinc and chromium. Meanwhile, the composite material also contains polychlorinated biphenyl, dioxins and other harmful substances which are difficult to degrade. Due to the different special structure and composition of the sludge, the sludge treatment and disposal methods are different, even the treatment is difficult, and if the sludge is not properly treated, the secondary pollution can be caused to the environment.
Disclosure of Invention
The invention aims to provide a sludge treatment system of a thermal power plant, which makes full use of hydrated metal elements in sludge, improves the utilization value of the sludge and makes full use of water resources.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermal power plant sludge treatment system, this thermal power plant sludge treatment system include that sludge dewatering module, water strain module, sintering module, metal precipitate module, collection module, sludge dewatering module is used for mud to dewater to do the wet-dry separation, water strain the water that the module is arranged in filtering the sludge dewatering module and collects, filter to accomplish and collect, sintering module is used for sintering the mud after the dehydration, collect the sintering product and collect the flue gas that produces, the inside metallic element that the module is used for mud sintering after is precipitated to the metal is precipitated, collection module is used for collecting the metallic element after the metal is precipitated and collects, and collect the mud after accomplishing the processing.
The sludge dewatering module comprises a sludge dewatering box body, a filter plate is fixed in the sludge dewatering box body, a sludge placing box is fixed at the upper end of the filter plate, the sludge placing box top is connected with the cover plate, a steam delivery pipe is fixed at the upper end of the cover plate, and the steam delivery pipe is far away from the cover plate end and faces the inside of the sludge dewatering box body.
Preferably, the sludge placing box is provided with two layers, a heating plate is fixed between the two layers, and the heating plate is arranged in a circle along the circumferential direction of the sludge placing box.
Preferably, the heating temperature is 100-.
Preferably, the water filter module comprises a connecting pipeline, one end of the connecting pipeline is connected to the side face of the sludge dewatering box body, the other end of the connecting pipeline is fixed with a water filter box, and a semipermeable membrane is arranged inside the water filter box.
Preferably, the sintering module comprises a sludge outlet with one end connected to the side of the sludge dewatering box body, the other end of the sludge outlet is fixed with a sintering box, the top of the sintering box is connected with a flue gas outlet pipe, and the outlet end of the flue gas outlet pipe is provided with an air purification structure.
Preferably, the temperature inside the sintering box is set to 500-.
Preferably, the sintering module further comprises a crushing box connected to one end of the sintering box, and the other end of the crushing box is connected to the metal precipitation module.
Preferably, the metal precipitation module comprises a metal precipitation box fixedly connected to the bottom of the crushing box, the upper end of the metal precipitation box is connected with an acid liquid inlet pipeline, and the bottom of the metal precipitation box is provided with a metal precipitation liquid outlet.
Preferably, the collecting module comprises a collecting box fixedly connected to one side of the metal precipitation box and a flue gas collecting box connected to the upper end of the outlet of the flue gas outlet pipe.
The invention has the beneficial effects that:
1. this sludge treatment system of thermal power plant, sludge dewatering module place the case through setting up mud, place the case through mud and heat the inside mud of placing, and the inside moisture content of fully separating mud is convenient for follow-up mud and is handled.
2. This sludge treatment system of thermal power plant when sludge dewatering, collects the water of the inside desorption of mud, and in the utilization, make full use of water resource, the water economy energy.
3. This sludge treatment system of thermal power plant is after sintering to mud, smashes sintering product to carry out metal through the acidizing fluid and separate out, fully extract the inside metallic element of mud, improve the value of utilizing of mud.
Drawings
FIG. 1 is a schematic system diagram of a sludge treatment system of a thermal power plant according to the present invention;
FIG. 2 is a schematic structural diagram of a sludge treatment system of a thermal power plant provided by the invention;
in the figure: 1. a sludge dewatering tank body; 2. filtering the plate; 3. a sludge placing box; 4. connecting the cover plate; 5. a vapor delivery pipe; 6. heating plates; 7. connecting a pipeline; 8. a water filter tank; 9. a semi-permeable membrane; 10. a sludge outlet; 11. sintering box; 12. a flue gas delivery pipe outlet; 13. a crushing box; 14. a metal precipitation tank; 15. the acid liquor enters a pipeline; 16. a metal separated liquid outlet; 17. a collection box; 18. and a flue gas collecting box.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 2 together, a sludge treatment system of a thermal power plant according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
This thermal power plant's sludge treatment system includes that sludge dewatering module, water strain module, sintering module, metal precipitate module, collection module, sludge dewatering module is used for mud to dewater to do wet-dry separation, water strain the water that the module was arranged in filtering the sludge dewatering module and collects, and filter, and accomplish and collect, sintering module is used for sintering the mud after the dehydration, collect the sintering product and collect the flue gas that produces, the metal precipitates the inside metallic element that the module is arranged in mud sintering and precipitates, collection module is used for collecting the metallic element after the metal precipitates and collects, and collect the mud after accomplishing the processing.
Specifically, the sludge dewatering module includes sludge dewatering box 1, and 1 inside filter plate 2 that is fixed with of sludge dewatering box, and 2 upper ends of filter plate are fixed with mud and place case 3, and 3 top connection apron 4 of case are placed to mud, and 4 upper ends of apron are fixed with steam delivery pipe 5, and steam delivery pipe 5 keeps away from 4 ends of apron and sets up towards 1 inside of sludge dewatering box.
Specifically, case 3 is placed to mud is equipped with the bilayer, is fixed with hot plate 6 between two-layer, and 3 circumferencial directions of case set up a week are placed along mud to hot plate 6.
Specifically, the heating temperature is 100-120 ℃.
Specifically, the module is strained to water includes connecting tube 7, and connecting tube 7 one end is connected 1 side of the sludge dewatering box, the other end are fixed with water filter box 8, and water filter box 8 is inside to be equipped with pellicle 9.
Specifically, the sintering module includes that one end is connected the mud delivery port 10 of 1 side of sludge dewatering box, and the other end of mud delivery port 10 is fixed with sintering case 11, and 11 tops of sintering case are connected with flue gas delivery pipe 12, and flue gas delivery pipe export 12 end sets up the air purification structure.
Specifically, the temperature inside the sintering chamber 11 is set to 500-.
Specifically, the sintering module further comprises a crushing box 13 connected to one end of the sintering box 11, and the other end of the crushing box 13 is connected to the metal precipitation module.
Specifically, the metal precipitation module comprises a metal precipitation tank 14 fixedly connected to the bottom of the crushing tank 13, an acid liquid inlet pipeline 15 is connected to the upper end of the metal precipitation tank 14, and a metal precipitation liquid outlet 16 is formed in the bottom of the metal precipitation tank 14.
Specifically, the collection module comprises a collection box 17 fixedly connected to one side of the metal precipitation box 14, and further comprises a flue gas collection box 18 connected to the upper end of the flue gas outlet pipe outlet 12, and the collected flue gas is used as fuel.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A sludge treatment system of a thermal power plant is characterized by comprising a sludge dewatering module, a water filtering module, a sintering module, a metal precipitation module and a collection module, wherein the sludge dewatering module is used for dewatering sludge and performing dry-wet separation, the water filtering module is used for filtering water collected in the sludge dewatering module, filtering and collecting are completed, the sintering module is used for sintering dewatered sludge, collecting sintering products and collecting generated flue gas, the flue gas is connected to the collection module and used as fuel, the metal precipitation module is used for precipitating internal metal elements after sludge sintering, and the collection module is used for collecting metal elements after metal precipitation and collecting treated sludge;
the sludge dewatering module comprises a sludge dewatering box body, a filter plate is fixed in the sludge dewatering box body, a sludge placing box is fixed at the upper end of the filter plate, the sludge placing box top is connected with the cover plate, a steam delivery pipe is fixed at the upper end of the cover plate, and the steam delivery pipe is far away from the cover plate end and faces the inside of the sludge dewatering box body.
2. The sludge treatment system of the thermal power plant as claimed in claim 1, wherein the sludge placing box is provided with two layers, a heating plate is fixed between the two layers, and the heating plate is arranged in a circle along the circumferential direction of the sludge placing box.
3. The sludge treatment system for thermal power plant as claimed in claim 1, wherein the heating temperature is 100-120 ℃.
4. The sludge treatment system of the thermal power plant as claimed in claim 1, wherein the water filtering module comprises a connecting pipeline, one end of the connecting pipeline is connected to the side surface of the sludge dewatering box body, a water filtering box is fixed at the other end of the connecting pipeline, and a semipermeable membrane is arranged inside the water filtering box.
5. The sludge treatment system of the thermal power plant according to claim 1, wherein the sintering module comprises a sludge outlet with one end connected to the side surface of the sludge dewatering box body, the other end of the sludge outlet is fixed with a sintering box, the top of the sintering box is connected with a flue gas outlet pipe, and the outlet end of the flue gas outlet pipe is provided with an air purification structure.
6. The sludge treatment system of the thermal power plant as claimed in claim 5, wherein the temperature inside the sintering box is set to 500-600 ℃.
7. The thermal power plant sludge treatment system of claim 5 wherein the sintering module further comprises a crushing tank connected to one end of the sintering tank, the other end of the crushing tank being connected to the metal precipitation module.
8. The sludge treatment system of the thermal power plant as claimed in claim 1, wherein the metal precipitation module comprises a metal precipitation tank fixedly connected to the bottom of the crushing tank, an acid liquid inlet pipeline is connected to the upper end of the metal precipitation tank, and a metal precipitation liquid outlet is formed in the bottom of the metal precipitation tank.
9. The thermal power plant sludge treatment system of claim 8 wherein the collection module comprises a collection tank fixedly attached to one side of the metal stripping tank.
10. The thermal power plant sludge treatment system according to claim 5, wherein the collection module further comprises a flue gas collection box connected to an upper end of the flue gas delivery pipe outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520088.1A CN112645560A (en) | 2020-12-21 | 2020-12-21 | Sludge treatment system of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520088.1A CN112645560A (en) | 2020-12-21 | 2020-12-21 | Sludge treatment system of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112645560A true CN112645560A (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011520088.1A Pending CN112645560A (en) | 2020-12-21 | 2020-12-21 | Sludge treatment system of thermal power plant |
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| Country | Link |
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| CN (1) | CN112645560A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960725A (en) * | 1973-11-05 | 1976-06-01 | System Ab Infoteknik | Method for sludge treatment |
| TWM253599U (en) * | 2004-03-05 | 2004-12-21 | Jung-Shin Wu | Fully automatic heavy metal sludge recovery treatment device |
| CN101161598A (en) * | 2007-08-10 | 2008-04-16 | 南京大学 | Resource method of deposed salt slag or heavy metal sewage sludge and its private facilities |
| CN103819064A (en) * | 2014-03-10 | 2014-05-28 | 中钢集团武汉安全环保研究院有限公司 | Method for removing heavy metals from sludge by pickling of composite acids |
| CN205774026U (en) * | 2016-07-11 | 2016-12-07 | 常州瑞福电力成套设备有限公司 | A kind of thermal power plant sludge treating system |
| CN110922027A (en) * | 2019-12-20 | 2020-03-27 | 苏州首创嘉净环保科技股份有限公司 | Sludge dewatering, deodorizing and drying device with solar panel heating |
| CN210506009U (en) * | 2019-08-06 | 2020-05-12 | 滨海金尼环保科技有限公司 | Sludge transformation is dewatering device for powdered ore |
-
2020
- 2020-12-21 CN CN202011520088.1A patent/CN112645560A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960725A (en) * | 1973-11-05 | 1976-06-01 | System Ab Infoteknik | Method for sludge treatment |
| TWM253599U (en) * | 2004-03-05 | 2004-12-21 | Jung-Shin Wu | Fully automatic heavy metal sludge recovery treatment device |
| CN101161598A (en) * | 2007-08-10 | 2008-04-16 | 南京大学 | Resource method of deposed salt slag or heavy metal sewage sludge and its private facilities |
| CN103819064A (en) * | 2014-03-10 | 2014-05-28 | 中钢集团武汉安全环保研究院有限公司 | Method for removing heavy metals from sludge by pickling of composite acids |
| CN205774026U (en) * | 2016-07-11 | 2016-12-07 | 常州瑞福电力成套设备有限公司 | A kind of thermal power plant sludge treating system |
| CN210506009U (en) * | 2019-08-06 | 2020-05-12 | 滨海金尼环保科技有限公司 | Sludge transformation is dewatering device for powdered ore |
| CN110922027A (en) * | 2019-12-20 | 2020-03-27 | 苏州首创嘉净环保科技股份有限公司 | Sludge dewatering, deodorizing and drying device with solar panel heating |
Non-Patent Citations (1)
| Title |
|---|
| 生态环境部环境工程评估中心编: "《火电行业环境保护法律法规、技术规范与标准汇编》", 31 January 2019, 中国环境出版集团 * |
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Application publication date: 20210413 |