CN101941820A - Method for making baking-free bricks by using dye waste water coagulated sludge and baking-free bricks - Google Patents
Method for making baking-free bricks by using dye waste water coagulated sludge and baking-free bricks Download PDFInfo
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- CN101941820A CN101941820A CN201010251161XA CN201010251161A CN101941820A CN 101941820 A CN101941820 A CN 101941820A CN 201010251161X A CN201010251161X A CN 201010251161XA CN 201010251161 A CN201010251161 A CN 201010251161A CN 101941820 A CN101941820 A CN 101941820A
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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
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- 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
Abstract
The invention discloses a method for making baking-free bricks by using dye waste water coagulated sludge, which comprises the following steps of: uniformly blending cement and the dye waste water coagulated sludge of which the moisture content is 40 to 60 weight percent, molding and maintaining to obtain the baking-free bricks, wherein the raw material comprises the following components in percentage by weight: 20 to 60 percent of cement, 40 to 80 percent of dye waste water coagulated sludge and the balance of water. The baking-free bricks prepared by the preparation method have the advantages of avoiding secondary pollution, along with high compression strength, high durability and high water permeability speed. The method has the advantages that: a production process is simple; less equipment is needed; investment is small; industrial production and production operation are easily carried out; a large amount of dye waste water coagulated sludge can be consumed; considerable environmental benefit and economical benefit are generated; and conditions for sustainable development of dye chemical industry are created.
Description
Technical field
The present invention relates to dye chemical industry industry solid waste resource recovery and utilize technical field, relate in particular to a kind of waste water from dyestuff coagulate sludge that utilizes and prepare the non-burning brick of non-burning brick method and preparation thereof.
Background technology
In recent years, China's dyestuff output and export volume rapid growth, dye species surpasses 1400, and kind commonly used has 700～800, is main products with dispersed dye, reactive dyestuffs and matching stain wherein.The fast development of China's dye industry produces a large amount of waste water from dyestuff thereupon, for environment protection has brought huge pressure.So-called waste water from dyestuff is meant with raw materials such as benzene, toluene and naphthalenes, through nitrated, iodate, carries out diazotization, coupling and vulcanization reaction then and makes the waste water of discharging in the dyestuff process, mainly originates from reactor, filter and equipment and ground and cleans.According to statistics, produce dyestuff per ton and produce waste water 50～80m approximately
3The waste water from dyestuff coagulate sludge is that waste water from dyestuff is by adding an amount of carbide slag or lime and a small amount of bodied ferric sulfate, through coagulation, precipitation, concentrate, operation such as press filtration obtains, wherein contain a large amount of gypsum and silicon-dioxide, not only amount is big, and complicated component, China is considered as dangerous solid waste with it at present, mostly to stack or the land-fill method disposal, the hidden danger that has secondary pollution, the safety of serious threat soil, underground water and surface water.In addition, because the soil growing tension, the place that is fit to waste water from dyestuff coagulate sludge landfill is fewer and feweri, and the processing of waste water from dyestuff coagulate sludge and problems such as disposal and recycling become the big problem that restricts China's dyestuffs industries Sustainable development.
Cement is powdery hydraulicity inorganic coagulation material.Add water and stir the back and become slurry, can in air, harden or in water, better harden, and can gluing is together securely materials such as sand, stones.Cement is important material of construction, and mortar that water mud is made or concrete are firm durable, are widely used in engineerings such as civil construction, water conservancy, national defence.Cement is according to composition and unusual Portland cement, special cement and the characteristic cement of being divided into of purposes.Special cement refers to be used for the cement special of certain engineering; And characteristic cement mainly is meant to have certain property, is applied to the cement of the occasion of particular requirement, as sulfate resistance characteristic cement.
The waste water from dyestuff coagulate sludge is the by product that wastewater treatment produces, and it is present developing direction that its resource utilization is utilized again.The waste water from dyestuff coagulate sludge that dye wastewater treatment produces is because hazardous and noxious substances content height is not suitable for the agricultural or gardens utilization of compost.The waste water from dyestuff coagulate sludge is as the raw material of building materials, and the raw material as cement baking, light ceramic and fragment of brick carries out big quantity research in recent years, has obtained significant progress, but has had following outstanding problem:
(1) utilize the waste water from dyestuff coagulate sludge as the raw material of producing cement, need to solve problems such as mud storage, raw material allotment and odor prevention, this has brought very big difficulty to production management; Even more serious is, utilize the waste water from dyestuff coagulate sludge to produce cement, if waste water from dyestuff coagulate sludge volume surpasses 10%, not only strength of cement is affected, and can reduce the throughput of cement furnace, shorten the stove refractory life, simultaneously, stove flue gas intractability increases, and is difficult to qualified discharge.
(2) waste water from dyestuff coagulate sludge potting grain has two kinds of methods, and a kind of is that mummification waste water from dyestuff coagulate sludge is added to baking ceramsite in the clay, and another kind is to utilize the waste water from dyestuff coagulate sludge to burn ash and clay baking ceramsite.Yet the haydite cylindrical compress strength that makes is low, and problems such as waste water from dyestuff coagulate sludge incorporation is low, gas cleaning is big, cost height are difficult to solve.In addition, the waste water from dyestuff coagulate sludge burns in advance and needs sludge drying, and energy expenditure is higher.
(3) present, making brick from sludge refers to the preparation vitrified brick basically.Making brick from sludge also has two kinds of methods, a kind of is the mud of mummification to be mixed with clay bake bricks, another kind is waste water from dyestuff coagulate sludge burning ash to be added in the clay bake bricks, and all has problems such as waste water from dyestuff coagulate sludge incorporation is low, gas cleaning is big, cost height.Similarly, need sludge drying if the waste water from dyestuff coagulate sludge burns then in advance, energy expenditure is higher.Waste water from dyestuff coagulate sludge vitrified brick is restricted, because waste water from dyestuff coagulate sludge vitrified brick need add a large amount of clays, certainly will destroy a large amount of limited cultivated land resources, and country has prohibited and produced solid clay brick.
Present disclosed patent or the document of delivering, it is different with the present invention that various mud prepare non-burning brick method, is the waste water from dyestuff coagulate sludge to be burned ash mix with cement, fly ash gel material, and through moulding, maintenance obtains product.In fact strict, it is non-burning brick that they should be referred to as the preparation of sludge incineration ash.Similarly, mud burns in advance and needs sludge drying, and energy expenditure is higher, and gas cleaning is big.Consult existing bibliographical information, adopt silicate cement, ordinary Portland cement, the direct solidification sludge of slag cement gelling material, when the mud volume surpassed 30%, ultimate compression strength can not be used as material of construction less than 10MPa.
In a word, the recycling of huge, the poisonous and hazardous waste water from dyestuff coagulate sludge of quantity, be directly connected to the Sustainable development of dye chemical industry industry, and lack mature and reliable, economically viable technology at present, realize stabilization, the innoxious and resource utilization of waste water from dyestuff coagulate sludge.
Summary of the invention
The invention provides a kind of waste water from dyestuff coagulate sludge and prepare the non-burning brick of non-burning brick method and preparation thereof, the non-burning brick environmental friendliness, the low cost of manufacture that prepare by this method, and ultimate compression strength and good water permeability, realize the cyclic utilization of waste, promote the Sustainable development of dye chemical industry industry.
A kind of waste water from dyestuff coagulate sludge prepares non-burning brick method, comprising: with cement and water ratio (water weight percent content) is that 40～60% waste water from dyestuff coagulate sludge mixes, and prepares non-burning brick through moulding, maintenance then; Wherein, the weight percent of described raw material consists of:
Cement 20～60%
Waste water from dyestuff coagulate sludge 40～80%
All the other are water.
The waste water from dyestuff coagulate sludge can be the mud that the waste water from dyestuff coagulating sedimentation obtains, for example: waste water in dye production adds an amount of carbide slag or lime and a small amount of bodied ferric sulfate, through coagulation, precipitation, concentrate, waste water from dyestuff coagulate sludge that operation such as press filtration obtains, wherein the weight percent content of gypsum is 15～40%, and the weight percent content of silicon-dioxide is 5～40%.。
Principle of the present invention is: hydration reaction takes place and generates calcium hydroxide, hydrated calcium silicate, drated calcium aluminate, hydrated calcium ferrite and ettringite (CaO.Al in dyestuff coagulate sludge and cement mixing, the mineral tricalcium silicate in the cement clinker, Dicalcium Phosphate (Feed Grade), tricalcium aluminate, tetracalcium aluminoferrite etc.
2O
3.3CaSO
4.32H
2Compound such as O), these hydrated products by various physics chemical action and mud granule gluing together, it is non-burning brick to form the very high mud of ultimate compression strength, the main chemical reactions process is as follows:
2(3CaO.SiO
2)+6H
2O→3CaO.2SiO
2.3H
2O+3Ca(OH)
2
2(2CaO.SiO
2)+4H
2O→3CaO.2SiO
2.3H2O+Ca(OH)
2
3CaO.Al
2O
3+6H
2O→3CaO.Al
2O
3.6H
2O
4CaO.Al
2O
3.Fe
2O
3+7H
2O→3CaO.Al
2O
3.6H
2O+CaO.Fe
2O
3.H
2O
CaO.Al
2O
3+10H
2O→CaO.Al
2O
3.10H
2O
12CaO.7Al
2O
3+51H
2O→6(2CaO.Al
2O
3.8H
2O)+2Al(OH)
3
2CaO.Al
2O
3+11H
2O→2CaO.Al
2O
3.8H
2O+2Al(OH)
3
12CaO.7Al
2O
3+12CaSO
4.H
2O+113H
2O→4(CaO.Al
2O
3.3CaSO
4.32H
2O)+6Al(OH)
3
3CaO.Al
2O
3+3CaSO
4.H
2O+32H
2O→4(CaO.Al
2O
3.3CaSO
4.32H
2O)+4Al(OH)
3
2SiO
2+3Ca(OH)
2→3CaO.2SiO
2.3H
2O
In the actual fabrication process, the weight ratio of generally selecting waste water from dyestuff coagulate sludge and cement for use is 1: 0.5～1.5, and water cement ratio is 0.4～0.6, is 200～500kg/m with the non-burning brick volumeter cement consumption that finally makes
3The porosity of cement in hydration process depends on water cement ratio, and the intensity of concrete material improves with the reduction of water cement ratio, so water cement ratio can not be too high; But water cement ratio also can not be too low, and too low then cement can not get the intensity that sufficient aquation equally also can influence concrete material, i.e. the final non-burning brick intensity of influence.
According to reality building needs, in the non-burning brick mixing process of preparation, can add versicolor toning agent, to satisfy the needs of different occasions.
Above-mentioned moulding process is generally: with jolt ramming in the compound injection model that mixes, leave standstill the demoulding in 2～24 hours then in air, can determine the size and the size of model according to actual needs.
In order to obtain the second best in quality floor tile, need in adapt circumstance, to carry out maintenance after the moulding, the purpose of maintenance is in order to guarantee that cement hydration process can normally carry out, hydrated cementitious can only take place in the kapillary of filling for water, therefore, must create conditions prevents that moisture from being lost by evaporation in the kapillary, and, the cement gel that produces in cement hydration process has very big specific surface area, and a large amount of free water become surface adsorption water.At this moment, if do not allow moisture enter cement stone, then the water of water supplyization reaction will be fewer and feweri, can occur in some cases from doing phenomenon hydrated cementitious being proceeded.Therefore, in preserving period, must keep concrete full water state, perhaps approach this state.Only under full water state, hydrated cementitious speed is only maximum.The temperature difference of concrete material and ambient air also can influence the hydration process of cement, the too low aquation that is unfavorable for cement of ambient temperature.For making the non-burning brick middle sufficient aquation of cement of concrete, the present invention selects two sections maintenance processes for use, and first section is maintenance in the water, the general maintenance time is 3～7 days, curing temperature is normal temperature (referring generally to about 25 ℃), and second section is air care, and curing time does not have strict restriction; Maintenance has been avoided taking place in the cement hydration process from doing phenomenon in the water.Under the normal temperature condition in the water maintenance combine with air care, effectively avoided degradation phenomenas such as the non-burning brick volumetric expansion of mud, contraction, crack, the non-burning brick good water permeability for preparing.
Cement generally selects for use sulfate resistance characteristic cement or gypsum weight percent content to be lower than 1.5% special silicate cement, satisfies service requirements with intensity and the weather resistance that guarantees mud baking-free water-permeable floor tile.
According to reality building needs, the suitable surface treatment of non-burning brick process that can finish maintenance is prepared smooth surface or the non-burning brick of special decorative effect is arranged.Prepare non-burning brick be directly used in ground, walkway or other building occasion uses.
The beneficial effect that the present invention obtains is embodied in:
(1) the present invention with commercially available cheap cement as gelling material, the inorganic components and the gypsum of the similar clay mineral in the waste water from dyestuff coagulate sludge have effectively been utilized, and make the water reducer and the toughener of cement with some organism in the mud, the mud baking-free water-permeable floor tile that meets service requirements by mixing stirring, moulding, the demoulding, maintaining process flow process production intensity height, good endurance, wear resistance, this floor tile is adapted at the walkway and lays, and also can be used for other job facilities;
(2) selection of cement proportion and cement type makes it and sludge quality coupling, so that under the situation that the use properties of mud baking-free water-permeable floor tile meets the demands, increase economic efficiency, prevents secondary pollution; And the mud amount of dissolving is big, does not need pyroprocessing, avoids secondary pollution, has reduced the recycling sludge cost significantly, saves mud landfill disposal costs or sludge incineration processing costs;
(3) the present invention prepares non-burning brick process by the control cement hydration process, makes the various parameters of cement and mud mixture slurry satisfy the requirement of making mud baking-free water-permeable floor tile;
(4) by method provided by the invention prepare non-burning brick, ultimate compression strength can reach more than the 39MPa, be higher than MU30 and require (the maximum intensity grade of common building brick), be higher than also that China building materials association formulated in 2005 now still in the technological standard (JC/T945-2005) of the water seepage road face brick of carrying out.
Description of drawings
Preparation technology's schema that Fig. 1 is non-burning brick for the present invention prepares.
Embodiment
Embodiment 1
Select waste water from dyestuff 2000g, add 16g lime and be neutralized to pH=4～5, add the 6g bodied ferric sulfate then, through coagulation, precipitation, concentrate, the water content that operations such as press filtration obtain is the waste water from dyestuff coagulate sludge of 60% (weight percent), wherein organic content 7.5%, the vitriol total amount is 27.99%, be mainly gypsum, other vitriol, sodium sulfate as different crystal water, sal epsom, ferric sulfate, Tai-Ace S 150, content seldom, these materials can not produce a very large impact the weather resistance of hydrated cementitious and concrete product, its main butt chemical ingredients is as shown in table 1.
Main butt chemical ingredients in the waste water from dyestuff coagulate sludge of table 1 embodiment 1
| Composition | CaO | MgO | Fe 2O 3 | Al 2O 3 | Na 2O | ZnO | SiO 2 | Burn and lose (850 ℃) |
| Content (%) | 12.11 | 1.05 | 0.39 | 1.81 | 5.34 | 1.30 | 32.26 | ?17.31 |
The dyestuff coagulate sludge 1000g that takes by weighing above-mentioned water ratio 60% joins in the cement mortar mixer, add 1000g sulfate resistance characteristic cement (the waste water from dyestuff coagulate sludge is 1: 1 with the ratio of cement weight), after stirring, the demoulding in 24 hours is left standstill in injection model jolt ramming in air; Maintenance 7 days under the normal temperature condition in water, maintenance is 5 days in the air, and the surface obtains non-burning brick through coarse processing of past, and preparation technology's flow process is as shown in Figure 1.
Embodiment 2
According to the similar preparation method of embodiment 1, select waste water from dyestuff 1000g, add the 10g carbide slag and be neutralized to pH=7～8, add the 4g bodied ferric sulfate then, through coagulation, precipitation, concentrate, operation such as press filtration prepares the waste water from dyestuff coagulate sludge that water content is 50% (weight percent), organic content 10.5%, vitriol total amount are 23.99%, and its main butt chemical ingredients is as shown in table 2.
Main butt chemical ingredients in the waste water from dyestuff coagulate sludge of table 2 embodiment 2
| Composition | CaO | MgO | Fe 2O 3 | Al 2O 3 | Na 2O | ZnO | SiO 2 | Burn and lose (850 ℃) |
| Content (%) | 27.31 | 0.09 | 1.18 | 0.44 | 3.12 | 0.02 | 6.06 | ?26.77 |
Take by weighing above-mentioned water ratio and be 50% dyestuff coagulate sludge 800g, join in the cement mortar mixer, add toning agent 5g, add 650g sulfate resistance characteristic cement (ratio of waste water from dyestuff coagulate sludge and cement weight 1: 0.8), after stirring, the demoulding in 24 hours is left standstill in injection model jolt ramming in air; Maintenance 5 days under the normal temperature condition in water, maintenance is 7 days in the air, and coarse processing obtained non-burning brick through the past on the surface.
Embodiment 3
According to the similar preparation method of embodiment 1, preparing water content is the waste water from dyestuff coagulate sludge of 40% (weight percent), wherein adds carbide slag and transfers to pH=10～11, organic content 6.5%, the vitriol total amount is 33.33%, and its main butt chemical ingredients is as shown in table 3.
Main butt chemical ingredients in the waste water from dyestuff coagulate sludge of table 3 embodiment 3
| Composition | CaO | MgO | Fe 2O 3 | Al 2O 3 | Na 2O | ZnO | SiO 2 | Burn and lose (850 ℃) |
| Content (%) | 15.46 | 0.41 | 0.73 | 1.26 | 1.59 | 0.16 | 16.11 | ?11.38 |
Take by weighing above-mentioned water ratio and be 40% dyestuff coagulate sludge 700g, add water 100g, join in the cement mortar mixer, add toning agent 10g, add the not gypseous special silicate cement of 700g (ratio of waste water from dyestuff coagulate sludge and cement weight 1: 1), after stirring, the demoulding in 24 hours is left standstill in injection model jolt ramming in air; Maintenance 5 days under the normal temperature condition in water, maintenance is 7 days in the air, and coarse processing obtained non-burning brick through the past on the surface.
Embodiment 4
Prepare the waste water from dyestuff coagulate sludge that water content is 45% (weight percent) according to embodiment 1 similar preparation method, wherein add carbide slag and transfer to pH=8～9, organic content 7.5%, vitriol total amount are 36.0%, and its main butt chemical ingredients is as shown in table 4.
Main butt chemical ingredients in the waste water from dyestuff coagulate sludge of table 4 embodiment 4
| Composition | CaO | MgO | Fe 2O 3 | Al 2O 3 | Na 2O | ZnO | SiO 2 | Burn and lose (850 ℃) |
| Content (%) | 16.31 | 0.52 | 0.82 | 1.30 | 1.61 | 0.21 | 20.11 | ?12.12 |
Take by weighing above-mentioned water ratio and be 45% dyestuff coagulate sludge 700g, add water 100g, join in the cement mortar mixer, add toning agent 11g, add 350g and contain the special silicate cement (ratio of waste water from dyestuff coagulate sludge and cement weight 1: 0.5) of 1.2% gypsum, after stirring, the demoulding in 24 hours is left standstill in injection model jolt ramming in air; Maintenance 5 days under the normal temperature condition in water, maintenance is 7 days in the air, and coarse processing obtained non-burning brick through the past on the surface.
Embodiment 5
Prepare the waste water from dyestuff coagulate sludge that water content is 55% (weight percent) according to embodiment 1 similar preparation method, wherein add carbide slag and transfer to pH=9～10, organic content 8.3%, vitriol total amount are 41.3%, and its main butt chemical ingredients is as shown in table 5.
Main butt chemical ingredients in the waste water from dyestuff coagulate sludge of table 5 embodiment 5
| Composition | CaO | MgO | Fe 2O 3 | Al 2O 3 | Na 2O | ZnO | SiO 2 | Burn and lose (850 ℃) |
| Content (%) | 28.0 | 0.56 | 0.87 | 1.50 | 1.71 | 0.25 | 25.3 | ?14.21 |
Take by weighing above-mentioned water ratio and be 55% dyestuff coagulate sludge 500g, add water 100g, join in the cement mortar mixer, add toning agent 13g, add 1500g and contain the silicate cement (ratio of waste water from dyestuff coagulate sludge and cement weight 1: 1.5) of 1.5% gypsum, after stirring, the demoulding in 24 hours is left standstill in injection model jolt ramming in air; Maintenance 5 days under the normal temperature condition in water, maintenance is 7 days in the air, and coarse processing obtained non-burning brick through the past on the surface.
Performance test
Non-burning brickly carry out the test of ultimate compression strength and penetrating quality with what embodiment 1～5 prepared, test result is as shown in table 6: wherein, non-burning brick intensity test method is with reference to standard GB/T50081-2002; When loading equably continuously in process of the test, strength grade＜C30, loading speed 0.3～0.5MPa p.s.; Strength grade 〉=C30 and＜during C60, loading speed 0.5～0.8MPa p.s..With baking bricks of preparing through 15 freezing and thawing tests, brick surfacial spalling decortication phenomenon does not appear, do not observe surperficial scum situation yet, the freeze-thaw cycle mass loss rate is all less than 11% (national standard requires to be lower than 15%), the ultimate compression strength rate of loss all below 8.5%, meets building requirements; Permeability coefficient is higher, is suitable for the road surfacing brick.
Table 6 ultimate compression strength and penetrating quality test result
According to the environment protection industry standard HJ/T299-2007 of the People's Republic of China (PRC) of nearest revision, with nitric acid/sulfuric acid mixed solution (digestion agent 1
#: with mass ratio is that 2: 1 the vitriol oil and concentrated nitric acid mixed solution is added to the water, and in about 2 mixed solutions of 1L water, making pH is 3.20 ± 0.05) and pure water (digestion agent 2
#) be digestion agent, simulation mud is in use non-burning brick, unwanted component as heavy metal, organism, leaches from mud is non-burning brick and the process that enters environment, test result is as shown in table 7, by table 7 result as can be known, prepare by the waste water from dyestuff coagulate sludge that non-burning brick to contain zinc concentration very low, be far smaller than the leaching toxicity limit value 100mg/L of State Standard of the People's Republic of China GB5085.3-2007 regulation, do not detect other heavy metal, so the non-burning brick possibility that does not have heavy metal contamination of mud; The chemical oxygen demand (COD) of leach liquor (COD), total organic carbon amount (TOC) and organism are (as benzene, aniline, oil of mirbane) the leaching toxicity limit value that content is all stipulated less than State Standard of the People's Republic of China GB5085.3-2007, the limit value of integrated wastewater discharge standard (GB8978-1996), the limit value of town sewage plant pollutant emission standard (GB18918-2002), the limit value of the limit value of chemical pharmaceutical wastewater discharge standard (GB21904-2008) and textile dyeing and finishing industrial water pollution emission standard (GB4287-92), so mud is in use non-burning brick, does not exist organism to cause the possibility of environmental pollution.
Table 7 leaches toxotest
Claims (10)
1. a waste water from dyestuff coagulate sludge prepares non-burning brick method, comprising: with cement and weight in wet base per-cent is that 40～60% waste water from dyestuff coagulate sludge mixes, and then through moulding, maintenance prepares non-burning brick;
Wherein, the weight percent of described raw material consists of:
Cement 20～60%
Waste water from dyestuff coagulate sludge 40～80%
Surplus is a water.
2. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, the weight ratio of described waste water from dyestuff coagulate sludge and cement is 1: 0.5～1.5; Water cement ratio is 0.4～0.6, is 200～500kg/m with the non-burning brick volumeter cement consumption that finally makes
3
3. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, the weight percent content of gypsum is 15～40% in the described waste water from dyestuff coagulate sludge, and the weight percent content of silicon-dioxide is 5～40%.
4. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, described molding time is 2～24 hours.
5. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, described maintenance processes is two sections maintenance processes, and first section is maintenance in the water, and second section is air care.
6. waste water from dyestuff coagulate sludge according to claim 5 prepares non-burning brick method, it is characterized in that, curing time is 3～7 days in the described water, and curing temperature is a normal temperature in the water.
7. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, described cement is sulfate resistance characteristic cement.
8. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, described cement is that the gypsum weight percent content is in the special silicate cement below 1.5%.
9. waste water from dyestuff coagulate sludge according to claim 1 prepares non-burning brick method, it is characterized in that, and is described non-burning brick through surface treatment.
10. prepare non-burning brick that non-burning brick method prepares according to the described waste water from dyestuff coagulate sludge of the arbitrary claim of claim 1～9.
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| CN107324710A (en) * | 2017-07-31 | 2017-11-07 | 河南工程学院 | A kind of preparation method for the sludge organism charcoal water-permeable brick for possessing high absorption property |
| CN107399936A (en) * | 2017-07-31 | 2017-11-28 | 河南工程学院 | A kind of preparation method of sludge organism charcoal water-permeable brick for purification of water quality |
| CN110357543A (en) * | 2019-08-31 | 2019-10-22 | 郑州恒博环境科技股份有限公司 | A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge |
| CN110395948A (en) * | 2019-07-31 | 2019-11-01 | 淮北市菲美得环保科技有限公司 | A kind of non-sintered water-permeable brick and preparation method thereof based on printing and dyeing sludge |
| CN111320421A (en) * | 2018-12-14 | 2020-06-23 | 杨延勇 | Method for preparing brick making material by using printing and dyeing sludge |
| CN112209731A (en) * | 2020-09-24 | 2021-01-12 | 生态环境部南京环境科学研究所 | Textile materialized sludge-based non-sintered ceramsite and preparation method and application thereof |
| CN112707751A (en) * | 2021-01-15 | 2021-04-27 | 杭州左纳实业有限公司 | Method for preparing cement floor color paste and cement curing reinforcing agent from dye residual paste and application |
| CN113024180A (en) * | 2019-12-24 | 2021-06-25 | 湖南军信环保股份有限公司 | Method for manufacturing environment-friendly baking-free light brick |
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| CN102225857B (en) * | 2011-04-21 | 2013-04-17 | 株洲政中新型环保免烧砖有限公司 | Non-burnt brick produced by sludge and producing method thereof |
| CN102225857A (en) * | 2011-04-21 | 2011-10-26 | 株洲政中新型环保免烧砖有限公司 | Non-burnt brick produced by sludge and producing method thereof |
| CN102503253A (en) * | 2011-10-12 | 2012-06-20 | 无锡晨驰江河科技有限公司 | Lake and river sludge processing method |
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| CN105481192B (en) * | 2016-01-20 | 2017-12-12 | 杭州萧索环保科技有限公司 | A kind of dyeing and printing sewage handles recovery method |
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| CN106064959A (en) * | 2016-05-26 | 2016-11-02 | 湖州德海新型建材有限公司 | A kind of printing and dyeing sludge prepares the method for sound insulation air-entrained concrete building block |
| CN106064923A (en) * | 2016-05-26 | 2016-11-02 | 湖州德海新型建材有限公司 | A kind of printing and dyeing sludge prepares the method for air-entrained concrete building block |
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| CN107399936B (en) * | 2017-07-31 | 2020-01-07 | 河南工程学院 | Preparation method of sludge biochar water permeable brick for water purification |
| CN107399936A (en) * | 2017-07-31 | 2017-11-28 | 河南工程学院 | A kind of preparation method of sludge organism charcoal water-permeable brick for purification of water quality |
| CN107324710A (en) * | 2017-07-31 | 2017-11-07 | 河南工程学院 | A kind of preparation method for the sludge organism charcoal water-permeable brick for possessing high absorption property |
| CN107324710B (en) * | 2017-07-31 | 2020-01-21 | 河南工程学院 | Preparation method of sludge biochar water permeable brick with high adsorption performance |
| CN111320421A (en) * | 2018-12-14 | 2020-06-23 | 杨延勇 | Method for preparing brick making material by using printing and dyeing sludge |
| CN110395948A (en) * | 2019-07-31 | 2019-11-01 | 淮北市菲美得环保科技有限公司 | A kind of non-sintered water-permeable brick and preparation method thereof based on printing and dyeing sludge |
| CN110357543A (en) * | 2019-08-31 | 2019-10-22 | 郑州恒博环境科技股份有限公司 | A kind of light flame-retardant wall body brick and preparation method thereof containing desulfurization wastewater sludge |
| CN113024180A (en) * | 2019-12-24 | 2021-06-25 | 湖南军信环保股份有限公司 | Method for manufacturing environment-friendly baking-free light brick |
| CN112209731A (en) * | 2020-09-24 | 2021-01-12 | 生态环境部南京环境科学研究所 | Textile materialized sludge-based non-sintered ceramsite and preparation method and application thereof |
| CN112209731B (en) * | 2020-09-24 | 2022-08-19 | 生态环境部南京环境科学研究所 | Textile materialized sludge-based non-sintered ceramsite and preparation method and application thereof |
| CN112707751A (en) * | 2021-01-15 | 2021-04-27 | 杭州左纳实业有限公司 | Method for preparing cement floor color paste and cement curing reinforcing agent from dye residual paste and application |
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Inventor after: Chen Quanyuan Inventor after: Xu Wanfu Inventor after: Xie Xuebao Inventor after: Xue Gang Inventor after: Fu Weisong Inventor after: Huang Lu Inventor after: Chen Huaxiang Inventor after: Ning Qiuyan Inventor before: Chen Quanyuan Inventor before: Xu Wanfu Inventor before: Xie Xuebao Inventor before: Xue Gang Inventor before: Fu Weisong Inventor before: Huang Lu Inventor before: Chen Huaxiang |
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Application publication date: 20110112 |