CN101612762A - Domestic sludge and river lakebed mud method for manufacturing bricks by mixing - Google Patents
Domestic sludge and river lakebed mud method for manufacturing bricks by mixing Download PDFInfo
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- CN101612762A CN101612762A CN200910031831A CN200910031831A CN101612762A CN 101612762 A CN101612762 A CN 101612762A CN 200910031831 A CN200910031831 A CN 200910031831A CN 200910031831 A CN200910031831 A CN 200910031831A CN 101612762 A CN101612762 A CN 101612762A
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Abstract
The present invention relates to a kind of brick-making method, specifically a kind of domestic sludge and river lakebed mud method for manufacturing bricks by mixing.According to technical scheme provided by the invention, described domestic sludge and river lakebed mud method for manufacturing bricks by mixing comprise the steps: that a. domestic sludge handle to dispose: the liquid sludge of sewage treatment plant, the mud cake of making through flocculation dewatering, press filtration; B. lakebed mud in river handle to be disposed: the mud-water separation technology of utilization river lakebed mud, the slime water of mud containing rate 10～15% in the lake, river is transported in the default mummifying pool, and form the precipitation bed mud; The precipitation bed mud reaches 60～70% mud containing rate again after mummification in 3～4 months, become lake, the river mummification bed mud of brickmaking; C. compound preparation: mud cake, slag, lake, river mummification bed mud are prepared by mass ratio, measured the slag moisture content and reach 15～25%, be used for the brickmaking base; During preparation, the amount that adds mud cake in per two parts of slags is 1～3 mass parts, and the amount that adds lake, river mummification bed mud is 5～7 mass parts.The present invention can improve environment so that handle domestic sludge better.
Description
Technical field
The present invention relates to a kind of brick-making method, specifically a kind of domestic sludge and river lakebed mud method for manufacturing bricks by mixing.
Background technology
Traditional brickmaking mode need consume a large amount of clays, has has seriously occupied the arable land.For the government that protects farmland has issued relevant policies, go into overdrive " prohibit real limit sticking ", utilize clay-brickmaking not only unrealistic but also do not have may again.Simultaneously, along with the fast development in city and market town, environmental pollution is also serious day by day.House refuse, sewage have had a strong impact on people's living environment.At present, government has exerted to set up town dweller's house refuse and sewage collecting net, rubbish and sewage are concentrated are administered, the solution that this is relative environmental pollution.But the disposal of the domestic sludge of large-scale sewage disposal also exists some perfect not to the utmost places.
Summary of the invention
The objective of the invention is to design a kind of domestic sludge and river lakebed mud method for manufacturing bricks by mixing,, improve environment so that handle domestic sludge better.
According to technical scheme provided by the invention, described domestic sludge and river lakebed mud method for manufacturing bricks by mixing comprise the steps:
A, domestic sludge handle and dispose: the liquid sludge of sewage treatment plant, the mud cake of making through flocculation dewatering, press filtration;
B, river lakebed mud handle and dispose: the mud-water separation technology of utilization river lakebed mud is transported to the slime water of mud containing rate 10～15% in the lake, river in the default mummifying pool; In course of conveying, described slime water forms the precipitation bed mud after the mud-water separation PROCESS FOR TREATMENT of river lakebed mud; The precipitation bed mud reaches 60～70% mud containing rate again after mummification in 3～4 months, become lake, the river mummification bed mud of brickmaking;
C, compound preparation: mud cake, slag, lake, river mummification bed mud are prepared by mass ratio, and wherein the slag particle diameter must not mix back 1～2 week of ageing greater than 3mm, measures the compound moisture content and reaches 15～25%, is used for the brickmaking base; During preparation, the amount that adds mud cake in per two parts of slags is 1～3 mass parts, and the amount that adds lake, river mummification bed mud is 5～7 mass parts.
The mud-water separation technology of described river lakebed mud is as follows:
(1), the configuration of coagulant: in clean water body, add Fecl
3(being JZI), and stir control Fecl
3Mass percent concentration be 10%～40%, standby;
(2), the configuration of flocculant: adding polyacrylamide (being JZO) in clean water body, English name Polyscrylamide, and stirring, the mass percent concentration of control polyacrylamide are 0.1～0.2% standby;
(3), slime water imports: utilizing cutter suction dredger or slush pump hydraulicking unit is the slime water of 10～20% mud containing rates with river, the dilution of lakebed mud, pumps into the slime water pipeline then;
(4), coagulation: the slime water pipe outlet of step (3) connects the entrance point of first blender, the coagulant that step (1) configures flows into pipeline by coagulant and inserts first blender, the port of export of first blender connects the coagulation pipe head, slime water used time of first blender of flowing through is 3～5 seconds, slime water used time of coagulation pipeline of flowing through is 20～50 seconds, and the coagulant solution consumption of controlling slime water per ton is 0.4～1.5Kg;
(5), flocculation: the coagulation pipe outlet of step (4) connects the entrance point of second blender, the flocculant that step (2) configures inserts second blender by the flocculant flow ipe, the port of export of described second blender connects the flocculation pipe head, the slime water flocculation of flowing through is 10～40 seconds the used time of pipeline, and the flocculant solution consumption of controlling slime water per ton is 5～25Kg.
The caliber of described slime water pipeline, coagulation pipeline and the pipeline that flocculates is identical.
The flow velocity of described slime water in the slime water pipeline is 1.5～3 meter per seconds.
Described first blender is horizontal tubular body, and the caliber of slime water pipeline is 1: 1.5～1 with the ratio of the mixed zone internal diameter of first blender: 3.5.
Second blender also is horizontal tubular body, and the caliber of coagulation pipeline is 1: 1.5～1: 3.5 with the ratio of the mixed zone internal diameter of second blender
The present invention the synthetic construction material that is converted into clean environment firendly of two kinds of mud, has obtained phasic results with domestic sludge and the river lakebed mud mixed preparing sintered building brick that sucks out through a large amount of strands of drying and other treatment.The secondary pollution that this has not only solved the outlet of two kinds of mud but also has solved two kinds of mud both made full use of discarded object, can save land land resource in a large number again, both can benefit society, can obtain actual economic benefit again.
The characteristic of mud and bed mud brickmaking and advantage: making brick from sludge, existing at home many families report be a kind of practicable industrialization approach, but mud cake and the manufacturing bricks by mixing that mummification bed mud in lake, river combines belongs to initiative.This be because: 1), owing to be difficult for mummification at present river lakebed mud also is difficult to exploitation:, stack the nature mummification for a long time, therefore overlong time is utilized to have difficulties; 2) if river lakebed mud sucts bank through strand, generally adopt cement, flyash, lime and binding agent mixing mummification, the soil property of bed mud changes, generally as the building banket and road banket, brickmaking is impossible; 3), bed mud is mainly used in agricultural and view, compost is made in a spot of exploitation, also in development.Adopt CWJZ bed mud drying technique, make the quick mummification of river lakebed mud, the efficient resource utilization has become possibility, utilize firing brick-and tile after domestic sludge and the quick mummification of river lakebed mud, not only energy-conservation but also environmental protection when satisfying the building function needs, helps saving soil and comprehensive utilization of resources again.In addition, key is; Adopt CWJZ bed mud drying technique, promoted the mummification of bed mud on the one hand, on the other hand, owing to added JZI and two kinds of flocculants of JZO in the lakebed mud of river, the variation of matter does not take place in shale, utilizes this mud kind brickmaking but to bring new characteristic: the JZI water-repelling agent that 1. have strong oxidizing property, its main component is iron molecule owing to having added, can remove the compound stink first, the finished bricks color is reddened, increase attractive in appearance; 2. have more strongly adherent big molecule synthesis material JZO flocculant owing to having added, compound can be mixed, increase plasticity, not easy to crack in the sintering process.Because this two kinds of new features are arranged, mixing sludge brickmaking has distinguished novelty.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Described domestic sludge and river lakebed mud method for manufacturing bricks by mixing comprise the steps:
A, domestic sludge are handled and are disposed: the liquid sludge of sewage treatment plant, making mud cake through traditional flocculation dewatering, press filtration (promptly earlier flocculates liquid sludge with cationic flocculant, supernatant flows out, flocculation mud is behind vacuum suction filter, deliver to filter-pressing device by conveyer belt and carry out mechanism filter-pressing, obtain the mud cake of moisture content about 80% this moment); Through the extruding of cagem type filter press, obtain the sludge cake of mud containing rate about 60% again.
B, river lakebed mud handle and dispose: the mud-water separation technology of utilization river lakebed mud is transported to the slime water of mud containing rate 10～15% in the lake, river in the default mummifying pool; In course of conveying, described slime water forms the precipitation bed mud after the mud-water separation PROCESS FOR TREATMENT of river lakebed mud; The precipitation bed mud reaches 60～70% mud containing rate again after mummification in 3～4 months, become lake, the river mummification bed mud of brickmaking;
C, compound preparation: mud cake, slag and lake, river mummification bed mud are mixed with compound by dried shale amount ratio, wherein the slag particle diameter must not be greater than 3mm, mix back 1～2 week of ageing, the moisture content of measuring compound reaches at 15～25% o'clock, can utilize traditional any brick-making method brickmaking base; The described preparation by dried shale amount ratio is meant the moisture content that the moisture content at the bottom of mud cake, slag and the mummification of lake, river all is converted to dried mud, and the moisture content of supposing dried mud is 0%, calculate the addition of mud cake, slag and lake, river mummification bed mud then, below addition at the bottom of described mud cake, slag and the mummification of lake, river be exactly to come by this way to determine; During preparation, the amount that adds mud cake in per two parts of slags is 1～3 mass parts, and the amount that adds lake, river mummification bed mud is 5～7 mass parts.
The different proportioning analysis contrasts of above-mentioned compound
Through the experiment contrast, adopt the compound brickmaking effect of second kind of proportioning comparatively desirable.
Described CWJZ promptly refers to the mud-water separation technology of described river lakebed mud, sees the patent of the same name of the applicant's application for details, and this technology comprises following steps:
The configuration of a, coagulant: in clean water body, add Fecl
3(being JZI), and stir control Fecl
3Mass percent concentration be 10%～40%, standby;
The configuration of b, flocculant: adding polyacrylamide (being JZO) in clean water body, English name Polyscrylamide, and stirring, the mass percent concentration of control polyacrylamide are 0.1～0.2% standby;
C, slime water import: utilizing cutter suction dredger or slush pump hydraulicking unit is that the slime water of 10～20% mud containing rates pumps into the slime water pipeline then with the bed-silt dilution.
D, the slime water pipe outlet of coagulation: step c connects the entrance point of first blender, the coagulant that step a configures flows into pipeline by coagulant and inserts first blender, described first blender is horizontal tubular body, the port of export of first blender connects the coagulation pipe head, the caliber of slime water pipeline is 1: 1.5～1: 3.5 with the ratio of the mixed zone internal diameter of first blender, slime water used time of first blender of flowing through is 3～5 seconds, slime water used time of coagulation pipeline of flowing through is 20～50 seconds, and the coagulant solution consumption of controlling slime water per ton is 0.4～1.5Kg;
E, flocculation: the coagulation pipe outlet of steps d connects the entrance point of second blender, the flocculant that step b configures inserts second blender by the flocculant flow ipe, described second blender also is horizontal tubular body, the port of export of second blender connects the flocculation pipe head, the caliber of coagulation pipeline is 1: 1.5～1: 3.5 with the ratio of the mixed zone internal diameter of second blender, the slime water flocculation of flowing through is 10～40 seconds the used time of pipeline, and the flocculant solution consumption of controlling slime water per ton is 5～25Kg.
The caliber of described slime water pipeline, coagulation pipeline and the pipeline that flocculates is identical.The flow velocity of described slime water in the slime water pipeline is 1.5～3 meter per seconds.
Mud cake that utilization of the present invention forms after domestic sludge is handled and lake, river mummification bed mud and slag manufacturing bricks by mixing have advantageous advantage:
1), the source of mud cake and lake, river mummification bed mud is than horn of plenty.The mud cake source is got and is expected the sewage treatment plant numerous in the city, can carry out the policy arrangement according to government; Mummification bed mud in lake, river is then through the desilting of lake, river, and raw material is inexhaustible, and particularly the water environment regulation has been one of important decision of government, and the desilting of lake, river is large in number and widely distributed, and lake, river mummification bed mud will be very abundant.
2), domestic sludge contains abundant organic matter, the general after measured content of organic matter is mixed in the base brick between 40～60% in proportion, can the instead of part cinder, when firing temperature reaches 620 ℃, abundant organic mass-energy self-sustaining burning in the domestic sludge.Its calorific value reaches the colm level between 2800～3500 kilocalories after measured, therefore can save and add energy consumption.Amount of energy saving is 1/3rd of a conventional brickmaking kiln, highlights unrivaled economy.
3), the dried mud cake density of domestic sludge is than the little about 1.348g/cm of clay
3, mix in lake, the river mummification bed mud, can alleviate base substrate weight.
4), domestic sludge organic fugitive constituent methane between 200～500 ℃ is separated out in a large number, do not reach burning point this moment, if the discharging would pollute, and in tunnel cave, can draw back in the combustion chamber its circulation fully that burning had both increased calorific value, the pollution of having avoided discharge of methane to cause again by taking out air-heater.
5), after domestic sludge reaches burning point (620 ℃) internal combustion, organic matter all decomposes, carbonization, makes the inner hole that produces of brick, has both increased the water absorption rate of brick, has alleviated the weight of finished bricks again.
6), because mud cake and the original particle of lake, river mummification bed mud are tiny, most of particle is between 70～200 μ, it is specious evenly, not coarse therefore to fire finished bricks.
With mud cake and lake, river mummification bed mud manufacturing bricks by mixing in proportion, be a kind of fully can cause industrialization, that have a extensive future.The achievement of this work is very obvious, has conspicuous Significance for Environment and economic implications: the outlet that has solved two kinds of mud; Avoided the secondary pollution of mud bed mud; Saved the energy; Market-oriented many performances, the polytypic brick opened up is to satisfy market demand; Have superior economy, plan year 4000 ten thousand to 5,000 ten thousand standard bricks of system, degradation is multifactor down obtaining under government policy support and self energy consumption, and annual earnings are estimated about 5,000,000 yuan.
Claims (5)
1, domestic sludge and river lakebed mud method for manufacturing bricks by mixing is characterized in that described method comprises the steps:
A, domestic sludge are handled: the liquid sludge of sewage treatment plant, make mud cake through flocculation dewatering, press filtration;
B, river lakebed mud handle: the mud-water separation technology of utilization river, lakebed mud is transported to the slime water of mud containing rate 10～15% in the lake, river in the default mummifying pool; In course of conveying, described slime water forms the precipitation bed mud after the mud-water separation PROCESS FOR TREATMENT of river lakebed mud; The precipitation bed mud reaches 60～70% mud containing rate again after mummification in 3～4 months, become lake, the river mummification bed mud of brickmaking;
C, compound preparation: it is that prepare by mass ratio 0% back that mud cake, slag and lake, river mummification bed mud all are converted to moisture content, wherein the slag particle diameter must not be greater than 3mm, mix back 1～2 week of ageing, measure the compound moisture content and reach 15～25%, be used for the brickmaking base; During preparation, the amount that adds mud cake in per two parts of slags is 1～3 mass parts, and the amount that adds lake, river mummification bed mud is 5～7 mass parts.
2, domestic sludge and river lakebed mud method for manufacturing bricks by mixing according to claim 1 is characterized in that the mud-water separation technology of described river lakebed mud is as follows:
(1), the configuration of coagulant: in clean water body, add Fecl
3, and stir control Fecl
3Mass percent concentration be 10%～40%, standby;
(2), the configuration of flocculant: adding polyacrylamide in clean water body, and stirring, the mass percent concentration of control polyacrylamide is 0.1～0.2% standby;
(3), slime water imports: utilizing cutter suction dredger or slush pump hydraulicking unit is the slime water of 10～20% mud containing rates with river, the dilution of lakebed mud, pumps into the slime water pipeline then;
(4), coagulation: the slime water pipe outlet of step (3) connects the entrance point of first blender, the coagulant that step (1) configures flows into pipeline by coagulant and inserts first blender, the port of export of first blender connects the coagulation pipe head, slime water used time of first blender of flowing through is 3～5 seconds, slime water used time of coagulation pipeline of flowing through is 20～50 seconds, and the coagulant solution consumption of controlling slime water per ton is 0.4～1.5Kg;
(5), flocculation: the coagulation pipe outlet of step (4) connects the entrance point of second blender, the flocculant that step (2) configures inserts second blender by the flocculant flow ipe, the port of export of described second blender connects the flocculation pipe head, the slime water flocculation of flowing through is 10～40 seconds the used time of pipeline, and the flocculant solution consumption of controlling slime water per ton is 5～25Kg.
As domestic sludge and river lakebed mud method for manufacturing bricks by mixing as described in the claim 2, it is characterized in that 3, the caliber of described slime water pipeline, coagulation pipeline and flocculation pipeline is identical.
4, as domestic sludge and river lakebed mud method for manufacturing bricks by mixing as described in the claim 2, it is characterized in that the flow velocity of described slime water in the slime water pipeline is 1.5～3 meter per seconds.
5, as domestic sludge and river lakebed mud method for manufacturing bricks by mixing as described in the claim 2, it is characterized in that described first blender is horizontal tubular body, the caliber of slime water pipeline is 1: 1.5～1: 3.5 with the ratio of the mixed zone internal diameter of first blender; Described second blender also is horizontal tubular body, and the caliber of coagulation pipeline is 1: 1.5～1: 3.5 with the ratio of the mixed zone internal diameter of second blender.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491724A (en) * | 2011-11-11 | 2012-06-13 | 上海鑫晶山建材开发有限公司 | Iron ore slag sintered brick and a preparation technology of same |
| CN103159389A (en) * | 2011-12-16 | 2013-06-19 | 贵阳铝镁设计研究院有限公司 | Efficient treatment method for sludge and sludge drying bed |
| CN103739118A (en) * | 2014-01-06 | 2014-04-23 | 博天环境集团股份有限公司 | Treatment method for analyzing waste liquid |
| CN103936256A (en) * | 2014-04-25 | 2014-07-23 | 武汉大学 | Method for mixing and drying sewage and sludge at normal temperature |
| CN104016656A (en) * | 2014-05-23 | 2014-09-03 | 华北有色工程勘察院有限公司 | Preparation technology and device for mine water-plugging curtain lake mud slurry |
| CN106759602A (en) * | 2016-12-26 | 2017-05-31 | 江苏龙腾工程设计股份有限公司 | River course green ecological desilting processing system and its processing method |
| CN110668788A (en) * | 2019-10-17 | 2020-01-10 | 湖北玉鑫新型墙材有限公司 | Method for making bricks by using sludge wastewater |
| CN113621378A (en) * | 2021-08-05 | 2021-11-09 | 浙江华东工程建设管理有限公司 | Method for improving acid red soil in dry land, improved red soil and application thereof |
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2009
- 2009-06-25 CN CN200910031831A patent/CN101612762A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491724A (en) * | 2011-11-11 | 2012-06-13 | 上海鑫晶山建材开发有限公司 | Iron ore slag sintered brick and a preparation technology of same |
| CN103159389A (en) * | 2011-12-16 | 2013-06-19 | 贵阳铝镁设计研究院有限公司 | Efficient treatment method for sludge and sludge drying bed |
| CN103739118A (en) * | 2014-01-06 | 2014-04-23 | 博天环境集团股份有限公司 | Treatment method for analyzing waste liquid |
| CN103739118B (en) * | 2014-01-06 | 2016-01-20 | 博天环境集团股份有限公司 | The treatment process of analysis |
| CN103936256A (en) * | 2014-04-25 | 2014-07-23 | 武汉大学 | Method for mixing and drying sewage and sludge at normal temperature |
| CN103936256B (en) * | 2014-04-25 | 2016-01-20 | 武汉大学 | A kind of method of mud and mud mixing mummification under normal temperature |
| CN104016656A (en) * | 2014-05-23 | 2014-09-03 | 华北有色工程勘察院有限公司 | Preparation technology and device for mine water-plugging curtain lake mud slurry |
| CN104016656B (en) * | 2014-05-23 | 2016-05-18 | 华北有色工程勘察院有限公司 | Mine water blockoff curtain lake mud slurries preparation technology and equipment thereof |
| CN106759602A (en) * | 2016-12-26 | 2017-05-31 | 江苏龙腾工程设计股份有限公司 | River course green ecological desilting processing system and its processing method |
| CN110668788A (en) * | 2019-10-17 | 2020-01-10 | 湖北玉鑫新型墙材有限公司 | Method for making bricks by using sludge wastewater |
| CN113621378A (en) * | 2021-08-05 | 2021-11-09 | 浙江华东工程建设管理有限公司 | Method for improving acid red soil in dry land, improved red soil and application thereof |
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