CN101913807A - Sludge brick and manufacturing method thereof - Google Patents
Sludge brick and manufacturing method thereof Download PDFInfo
- Publication number
- CN101913807A CN101913807A CN2010102402701A CN201010240270A CN101913807A CN 101913807 A CN101913807 A CN 101913807A CN 2010102402701 A CN2010102402701 A CN 2010102402701A CN 201010240270 A CN201010240270 A CN 201010240270A CN 101913807 A CN101913807 A CN 101913807A
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- China
- Prior art keywords
- sludge
- parts
- brick
- filled material
- dewatered
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Treatment Of Sludge (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a sludge brick (1) and a manufacturing method thereof. The sludge brick (1) is prepared from a ball filling material (2) and a sludge slurry (3), wherein the ball filling material (2) is prepared from a sludge filling material and dried sludge; the sludge filling material comprises magnesia, magnesium chloride, water, short glass fibers, a modifying agent, a filling agent, a coagulation accelerator or a retarder and the dried sludge. The manufacturing method of the sludge brick (1) comprises the following steps of weighing materials, mechanically stirring, granulating, injecting into a mould, demoulding, cleaning burrs and flashes, finally naturally curing and the like. The sludge brick (1) has the advantages of strong anti-pressure, anti-bending and anti-impact property, high high-temperature resisting and abrasion resisting performance, energy saving, environmental protection and the like and is free from burning steaming.
Description
Technical field
The present invention relates to a kind of sludge brick and preparation method thereof.
Background technology
At present, middle or small sewage treatment is sent into sludge drying factory and is stored by physics, chemistry, biology, the biochemical last mud that produces after the dehydration, carry out landfill after the mummification a few days.As rain drop erosion, immersion, various organism can cause " secondary pollution " to the water body of periphery in the mud in above process.
Sludge brick be exactly by a kind of very common, be easy to get, internal wall brick that cheap material is made on the spot by simple production technique, as material of construction, solved the secondary pollution of dewatered sludge.
Existing making brick from sludge technology comprises that mainly cement solidification method, lime solidification method, thermoplastic plastic solidify, curings such as melten glass solidifies, certainly glued curing, when adopting the cement solidification method curing cement, if contain special salt, can cause cured body to break, organic decomposition causes slight crack; When adopting the lime solidification method,, be difficult for producing because solidification intensity is lower; Thermoplastic plastic solidification method, melten glass solidification method, need professional and special conditions from curings such as glued solidification methods, application surface is narrow, is not easy to promote.
Summary of the invention
The technical problem to be solved in the present invention is: sludge brick and the compounding process thereof of producing a kind of functional, energy-conserving and environment-protective.
For solving the problems of the technologies described above, the technical scheme that the present invention takes comprises: sludge brick of the present invention is formulated by spheroid stopping composition and mud slurry, and described spheroid stopping composition is formulated by 1 part of sludge-filled material and 2 parts of dewatered sludges; Described sludge-filled material is made up of magnesium oxide, magnesium chloride, water, short glass fiber, properties-correcting agent, weighting agent, setting accelerator or retardant, dewatered sludge, and each component proportioning by weight is as follows:
10 parts in magnesium oxide
Magnesium chloride 5-10 part
5 parts in water
Short glass fiber 0.1-0.3 part
Properties-correcting agent 1-5 part
Weighting agent 2-3 part
Setting accelerator or retardant 0.2-0.3 part
50 parts of dewatered sludges,
The component of described mud slurry and sludge-filled material and parts by weight difference only are that the mud slurry does not comprise 50 parts dewatered sludge.
Further, blending process of the present invention may further comprise the steps:
(1), before material feeding, with the mould separant coating;
(2), with after magnesium oxide, magnesium chloride, water, properties-correcting agent, weighting agent, dewatered sludge, short glass fiber, retardant or the setting accelerator weighing, in the adding stirrer;
(3), generate sludge-filled material after 10-15 minute with 80-120 rev/min of speed stirring;
(4), claim 1 part in sludge-filled material, 2 parts of dewatered sludges carry out mechanical pelleting or manual mould granulation, solidify to generate the spheroid stopping composition;
(5), according to the step preparation mud slurry identical with sludge-filled material; The mud slurry only is that with the different of sludge-filled material it does not contain dewatered sludge in forming;
(6) the good mud slurry of flowability is injected mould, put into the spheroid stopping composition then, make the spheroid stopping composition be full of mould, then and mould by vibration;
(7), carry out demoulding, the demoulding time is 4-6 hour;
(8), deburr behind the demoulding, overlap;
(9), place at last dull and stereotyped go up spontaneous curing after 7 days finished bricks.
The technique effect that the present invention reaches be mainly reflected in following some:
1, sludge brick stopping composition powder filler gac of the present invention, special salt and organism in the waste are adsorbed, preset stable curing in the spheroid, counter-bending, ultimate compression strength exceeds the cement manyfold, high temperature resistant more than 1000 °, low temperature resistant-50 ℃, good combination property, can solve that solid breaks and organism decomposes the crack, prevent that infiltration from taking place.Under the situation that guarantees the dewatered sludge loading level, strengthen the ultimate compression strength of mud.
2,, according to its " toxicity ", when prefabricated spheroid, reduce, adsorb, chemistry such as neutralization handles early stage to heavy metal, organism, acid, alkali, dewatered sludge.
3, sludge brick solidifies back ultimate compression strength greater than 200 kilograms every square centimeter, well beyond the index of 100 kilograms every square centimeter of industry standards.
4, sludge brick of the present invention can harden more than 10 ℃ in room temperature and solidifies, has unburned, non-evaporating energy-saving environmental-protection function, have fabulous physics, mechanical property, every square centimeter of its flexural strength is greater than 600 kilograms, water-intake rate is less than 13%, every square centimeter of ultimate compression strength is greater than 500 kilograms, and wear resisting property is higher 3 times than cement, shock resistance be cement 1-5 doubly.
The ball-shaped diameter of the spheroid stopping composition of sludge brick of the present invention is 10-15mm.
Production unit of the present invention comprises: small-sized production platform pound, and machine mixer, mould, flat board or platform, large-scale production selects for use the production of stepping streamline to comprise material storehouse, forming ingredient workshop, cured article etc.
Description of drawings
Fig. 1 is a sludge brick structure sectional view of the present invention;
In Fig. 1, the 1-sludge brick; 2-spheroid stopping composition; 3-mud slurry.
Embodiment
In order to make those skilled in the art can further understand feature of the present invention and technology contents, now the present invention is described with embodiment and embodiment, these embodiments and embodiment only are used to explain the present invention, rather than are used for limiting scope of the present invention.
Embodiment 1:
At first before material feeding, with the mould separant coating, then, successively when 10 parts of magnesium oxide of weighing, 5 parts of magnesium chlorides, 5 parts of water, 0.1 part of short glass fiber, 2 parts of properties-correcting agent, 2 parts of weighting agents, summer with 0.2 part of retardant, add in the stirrer with 0.2 part of setting accelerator and 50 parts of dewatered sludges during winter, generate sludge-filled material after 10-15 minute with 80-120 rev/min of speed stirring; Claim 1 part in sludge-filled material then, 2 parts of dewatered sludges carry out mechanical pelleting or manual mould granulation, solidify to generate spheroid stopping composition 2; According to the step preparation mud slurry 3 identical with sludge-filled material; Mud slurry 3 only is that with the different of sludge-filled material it does not contain dewatered sludge in forming; The good mud slurry of flowability 3 is injected moulds, put into spheroid stopping composition 2 then, make spheroid stopping composition 2 be full of mould, then and mould by vibration; Carry out demoulding, the demoulding time is 4-6 hour; Deburr behind the demoulding, overlap; Place at last dull and stereotyped go up spontaneous curing after 7 days finished product sludge brick 1, its structure sectional view is seen accompanying drawing 1.
Embodiment 2:
At first before material feeding, with the mould separant coating, then, successively when 10 parts of magnesium oxide of weighing, 10 parts of magnesium chlorides, 5 parts of water, 0.3 part of short glass fiber, 5 parts of properties-correcting agent, 3 parts of weighting agents, summer with 0.3 part of retardant, add in the stirrer with 0.3 part of setting accelerator and 50 parts of dewatered sludges during winter; Generate sludge-filled material after 10-15 minute with 80-120 rev/min of speed stirring; Claim 1 part in sludge-filled material then, 2 parts of dewatered sludges carry out mechanical pelleting or manual mould granulation, solidify to generate spheroid stopping composition 2; According to the step preparation mud slurry 3 identical with sludge-filled material; Mud slurry 3 only is that with the different of sludge-filled material it does not contain dewatered sludge in forming; The good mud slurry of flowability 3 is injected moulds, put into spheroid stopping composition 2 then, make spheroid stopping composition 2 be full of mould, then and mould by vibration; Carry out demoulding, the demoulding time is 4-6 hour; Deburr behind the demoulding, overlap; Place at last dull and stereotyped go up spontaneous curing after 7 days finished product sludge brick 1, its structure sectional view is seen accompanying drawing 1
The above only is embodiments of the present invention, and unrestricted claim of the present invention, the equivalent transformation that every utilization specification sheets of the present invention and accompanying drawing content are done directly or indirectly is used in other relevant technical field, includes in claim of the present invention.
Claims (2)
1. a sludge brick (1) is formulated by spheroid stopping composition (2) and mud slurry (3), and spheroid stopping composition (2) is formulated by 1 part of sludge-filled material and 2 parts of dewatered sludges;
Described sludge-filled material is made up of magnesium oxide, magnesium chloride, water, short glass fiber, properties-correcting agent, weighting agent, setting accelerator or retardant, dewatered sludge, and each component proportioning by weight is as follows:
10 parts in magnesium oxide
Magnesium chloride 5-10 part
5 parts in water
Short glass fiber 0.1-0.3 part
Properties-correcting agent 1-5 part
Weighting agent 2-3 part
Setting accelerator or retardant 0.2-0.3 part
50 parts of dewatered sludges;
The component of described mud slurry and sludge-filled material and parts by weight difference only are that the mud slurry does not comprise 50 parts dewatered sludge.
2. the preparation method of the described sludge brick of claim 1 (1) may further comprise the steps:
1., before material feeding, with the mould separant coating;
2., magnesium oxide, magnesium chloride, water, properties-correcting agent, weighting agent, dewatered sludge, short glass fiber, retardant or setting accelerator in proportion after the weighing, are added in the stirrer;
3., generate sludge-filled material after 10-15 minute with 80-120 rev/min of speed stirring;
4., claim 1 part in sludge-filled material, 2 parts of dewatered sludges carry out mechanical pelleting or manual mould granulation, solidify to generate spheroid stopping composition (2);
5., according to the step identical preparation mud slurry (3) with sludge-filled material, mud slurry (3) does not contain dewatered sludge with different only being of sludge-filled material in its composition;
6., the good mud slurry of flowability (3) is injected mould, put into spheroid stopping composition (2) then, make spheroid stopping composition (2) be full of mould, then and mould by vibration;
7., carry out demoulding, the demoulding time is 4-6 hour;
8., deburr behind the demoulding, overlap;
9., place at last dull and stereotyped go up spontaneous curing after 7 days sludge brick (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102402701A CN101913807A (en) | 2010-07-25 | 2010-07-25 | Sludge brick and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102402701A CN101913807A (en) | 2010-07-25 | 2010-07-25 | Sludge brick and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101913807A true CN101913807A (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102402701A Pending CN101913807A (en) | 2010-07-25 | 2010-07-25 | Sludge brick and manufacturing method thereof |
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| CN (1) | CN101913807A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744771A (en) * | 2012-07-30 | 2012-10-24 | 青岛开世密封工业有限公司 | Slurry sealed and cured moulding mould and using method thereof |
| CN103664126A (en) * | 2012-09-20 | 2014-03-26 | 深圳市海川实业股份有限公司 | Sludge curing treatment agent and method for treating sludge by use of curing treatment agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1418843A (en) * | 2002-04-15 | 2003-05-21 | 吴伟文 | Preparation for converting mud into building material and method thereof |
| CN1796328A (en) * | 2004-12-28 | 2006-07-05 | 董庆海 | Concrete product prepared from sludge and prepartion method |
| CN101386690A (en) * | 2008-10-22 | 2009-03-18 | 中山大学 | Waste paper sludge composite filler and preparation method and application thereof |
-
2010
- 2010-07-25 CN CN2010102402701A patent/CN101913807A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1418843A (en) * | 2002-04-15 | 2003-05-21 | 吴伟文 | Preparation for converting mud into building material and method thereof |
| CN1796328A (en) * | 2004-12-28 | 2006-07-05 | 董庆海 | Concrete product prepared from sludge and prepartion method |
| CN101386690A (en) * | 2008-10-22 | 2009-03-18 | 中山大学 | Waste paper sludge composite filler and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 《石化技术与应用》 20090731 岳战林 含汞污泥制作路砖的研究 340-342 1-2 第27卷, 第4期 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744771A (en) * | 2012-07-30 | 2012-10-24 | 青岛开世密封工业有限公司 | Slurry sealed and cured moulding mould and using method thereof |
| CN103664126A (en) * | 2012-09-20 | 2014-03-26 | 深圳市海川实业股份有限公司 | Sludge curing treatment agent and method for treating sludge by use of curing treatment agent |
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Application publication date: 20101215 |