CN104386768A - Production method of water purifying filter material - Google Patents
Production method of water purifying filter material Download PDFInfo
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- CN104386768A CN104386768A CN201410685814.3A CN201410685814A CN104386768A CN 104386768 A CN104386768 A CN 104386768A CN 201410685814 A CN201410685814 A CN 201410685814A CN 104386768 A CN104386768 A CN 104386768A
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
- B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/42—Materials comprising a mixture of inorganic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
- B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Geology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a production method of a water purifying filter material. The production raw materials of the water purifying filter material comprise sludge and slush. A production process of the water purifying filter material comprises steps of batching, granulation, screening, drying, combustion for expansion, air cooling and natural cooling. By taking the sludge and the slush as raw materials, the production method realizes reutilization of wastes, improves the production environment and saves usable resources. The sludge contains a great amount of water, so no extra water is needed when the sludge is mixed and matched with the slush during a batching process, and thus use of water is saved. Main ingredients of the slush are SiO2, Al2O3 and FeO2 which are similar with ingredients of clay, and the inorganic ingredients form a base body of the water purifying filter material during the process of combustion for expansion so that the compressive strength of the water purifying filter material is guaranteed; the sludge contains lots of microbes so that lots of gases can be generated during the process of combustion for expansion, and lots of micro-pores are enabled to be formed in the water purifying filter material so that a small amount of an expanding agent can be doped externally or even not added, so the amount of used expanding agent is reduced and the material cost is greatly lowered.
Description
Technical field
The present invention relates to technical field of water purification, the method that after particularly utilizing the mud of channel deposit and sewage work to dispose of sewage, the mud of output is raw material production water purification filtrate.
Background technology
Water purification filtrate is a kind of material water being carried out to purifying treatment, the bacterium in its energy filtering water, chlorine residue and harmful solvability heavy metal ion etc.At present, water purification filtrate range of application is more and more wider, such as builds rapid filter, is applied to water factory; Make small-sized water purifier for family; Be applied to villages and towns in rural areas, town region, organ, build middle-size and small-size water treatment station; The industries such as natural mineral matter water purification filtrate also can be used as pharmacy, brews alcoholic beverages, beverage, food, printing and dyeing improve water quality; Be applied to the industry such as power plant, boiler demineralized water; Be used as the pre-treatment of the water technology such as electrodialysis, reverse osmosis; Swimming pool, bathing pool, hotel, restaurant, urban cells also can use natural mineral matter water purification filtrate when doing sewerage disposing; For sanitary sewage, Industrial Wastewater Treatment etc.At present, the mode of production of water purification filtrate mainly contains two kinds: one take clay as main raw material, add appropriate swelling agent, the addition of usual swelling agent is not less than 10% of clay weight, through preparing burden, granulating, burn the multiple working procedures such as swollen, form the water purification filtrate of spherical porous, the production method of this kind of water purification filtrate needs to add appropriate water at burden process; Another kind is with multiple natural crystal for raw material, through cleaning, calcining, pulverize, fire and the multiple working procedure such as stirring, forms filtrate.No matter existing be main raw material with clay, or are all the utilizations to useful resources in the mode that multiple natural crystal is main material production water purification filtrate, and need in process of production to consume and a large amount of use water.Utilize these useful resources to carry out production water purification filtration material for a long time, waste must be caused to ecological and resource.If but can with discarded resource for water purification filtrate prepared by raw material, a large amount of useful resources can not only be saved, reduce production cost, can also turn waste into wealth and improve the ecological environment, therefore, the research direction with long term growth prospect is become with discarded resource for raw material carrys out production water purification filtration material.
Summary of the invention
The present invention for solve in known technology the technical problem that exists and provide a kind of and realize waste resource recycling, conserve water and useful resources, reduction production cost the production method of water purification filtrate.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
1. a production method for water purification filtrate, is characterized in that, the raw materials for production of described water purification filtrate comprise sewage work dispose of sewage after the mud of output and the mud of channel deposit, the production process of described water purification filtrate is:
1) prepare burden: be that the mud of 80% and the mud after drying are puddled evenly in whipping appts by water content, form mixture, the water content of mixture is 15%-20%, and wherein each raw material accounts for: mud 20%-25%, mud 75%-80%;
2) granulate: by the first transfer mechanism, mixture is delivered to facility for granulating, by mixture ball up particle in facility for granulating;
3) screen: the spherical particle material of extrusion molding is delivered to screening plant through second conveyor structure, under the effect of screening plant trommel screen, filter out the more uniform spherical particle material of particle diameter ratio, this partial material is qualified material, other material is discharged by the waste outlet of trommel screen, and be delivered on the first transfer mechanism by the 3rd transfer mechanism, be more again delivered to facility for granulating by the first transfer mechanism;
4) dry: the qualified spherical particle material filtered out is discharged by the discharge port of trommel screen, and be delivered in the stoving oven that arranges by certain angle of inclination by the 4th transfer mechanism, temperature in stoving oven raises from feed inlet end gradually to discharge port end, the temperature of feed inlet end is 150 DEG C-250 DEG C, the temperature of discharge port end is 600 DEG C-700 DEG C, and the time that spherical particle material moves to discharge port end from the feed inlet end in stoving oven is 35min-45min;
5) burn expanded: by the spherical particle mass transport of drying to the rotary kiln that docks with stoving oven discharge port, the process of moving from feed inlet end to discharge port end in rotary kiln experience burning, expanded to making finished product, temperature wherein in rotary kiln raises from its feed inlet end gradually to discharge port end, the temperature of feed inlet end is 600 DEG C-700 DEG C, the temperature of discharge port end reaches 1200 DEG C, and the time that spherical particle material moves to discharge port end from the feed inlet end of rotary kiln is 20min-25min;
6) air-cooled: will to be delivered in the air cooler be connected with the discharge port of rotary kiln through the expanded finished product made of burning, lowered the temperature gradually the process of moving from feed inlet end to discharge port end in air cooler, when finished product is to air cooler discharge port position, its temperature is down to 200 DEG C-300 DEG C, and the time that finished product moves to discharge port end from the feed inlet end of air cooler is 15min-20min;
7) naturally cooling: the finished product of discharging from air cooler passes through transportation equipment amplifier to stock ground, naturally cools to room temperature in stock ground.
The present invention can also adopt following technical measures:
The raw materials for production of described water purification filtrate also comprise the additive of 3%-5% weight percent, and described additive is swelling agent.
The advantage that the present invention has and positively effect are:
The production method of this water purification filtrate, with mud and mud for main raw material, two kinds of raw materials all belong to waste resource, so just achieve refuse reclamation, improve ecotope and have saved useful resources.Due in mud containing a large amount of moisture, like this with mud mix operation, just do not need additionally adding water, thus save and use water.Mud is that the unconsolidated thin sand and soil in deposition river bed is removed in river course, and its main component is inorganic components, with SiO
2, Al
2o
3, FeO
2be main, be similar to clay component.These inorganic componentss in mud form the matrix of water purification filtrate in the expanded operation of burning, ensure that the ultimate compression strength of water purification filtrate; And containing a large amount of microorganisms in mud, microorganism is organic substance, such mud can produce a large amount of gas in the expanded operation of burning, thus ensure that the generation of a large amount of micropore on water purification filtrate matrix.Because mud can produce a large amount of gas in the expanded operation of burning, therefore, compared to existing be the method that main raw material carrys out production water purification filtration material with clay, a small amount of swelling agent can be mixed in addition, even can not add, thus just save the consumption of swelling agent, considerably reduce material cost.The water purification filtrate produced by present method is spherical vesicular structure, its surperficial many micropore, and in-house network is crisscross, not easily knot tying; Have that good particle diameter pole is joined, retaining power and adsorptive power comparatively strong, the high and long service life of filtrate utilization ratio; In addition, it can reach good tap density, and filter material layer is evenly distributed, and be easy to carry out back flushing, backwash volume is low, and water loss is little, and back flushing does not run material, and aging film easily comes off, and not easily occurs blocking.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, be described in detail as follows:
A production method for water purification filtrate, its raw materials for production comprise sewage work dispose of sewage after the mud of output and the mud of channel deposit, its production process is:
1) prepare burden: be that the mud of 80% and the mud after drying are puddled evenly in whipping appts by water content, form mixture, the water content of mixture is 15%-20%, and wherein each raw material accounts for: mud 20%-25%, mud 75%-80%.Above-mentioned water content is that the mixture of 15%-20% is checked by simple mode, such as holds a mixture with hand, and when mixture can just be shaping, and don't occur the state of dispersing, its water content just reaches preferable states.
2) granulate: by the first transfer mechanism, mixture is delivered to facility for granulating, by mixture ball up particle in facility for granulating, wherein the size of spherical particle is determined the size of the forming hole on pressure roller by facility for granulating group, extrude the spherical particle material of different-grain diameter, only need to select corresponding to pressure roller.
3) screen: the spherical particle material of extrusion molding is delivered to screening plant through second conveyor structure, under the effect of screening plant trommel screen, filter out the more uniform spherical particle material of particle diameter ratio, this partial material is qualified material, other material is discharged by the waste outlet of trommel screen, and is delivered on the first transfer mechanism by the 3rd transfer mechanism, is more again delivered to facility for granulating by the first transfer mechanism, such waste material can be used again, thus avoids material waste.
4) dry: the discharge port of the qualified material filtered out by trommel screen is discharged, and be delivered in the stoving oven that arranges by certain angle of inclination by the 4th transfer mechanism, temperature in stoving oven raises from feed inlet end gradually to discharge port end, the temperature of feed inlet end is 150 DEG C-250 DEG C, the temperature of discharge port end is 600 DEG C-700 DEG C, and the time that spherical particle material moves to discharge port end from the feed inlet end in stoving oven is 35min-45min.
5) burn expanded: by the spherical particle mass transport of drying to the rotary kiln that docks with stoving oven discharge port, the process of moving from feed inlet end to discharge port end in rotary kiln experience burning, expanded to making finished product, temperature wherein in rotary kiln raises from feed inlet end gradually to discharge port end, the temperature of feed inlet end is 600 DEG C-700 DEG C, the temperature of discharge port end reaches 1200 DEG C, and the time that spherical particle material moves to discharge port end from rotary kiln feed inlet end is 20min-25min.
6) air-cooled: will to be delivered in the air cooler be connected with the discharge port of rotary kiln through the expanded finished product made of burning, lowered the temperature gradually the process of moving from feed inlet end to discharge port end in air cooler, when finished product is to air cooler discharge port position, its temperature is down to 200 DEG C-300 DEG C, and the time that finished product moves to discharge port end from the feed inlet end of air cooler is 15min-20min.
7) naturally cooling: the finished product of discharging from air cooler passes through transportation equipment amplifier to stock ground, naturally cools to room temperature in stock ground.
Above-mentioned multiple transfer mechanism adopts belt conveyor.
The raw materials for production of this water purification filtrate also comprise the additive of 3%-5% weight percent, and described additive is swelling agent.The radix of additive weight percent is the gross weight of mud and mud in the first operation.A small amount of swelling agent is added in the raw materials for production of water purification filtrate, water purification filtrate can be made to produce more gas in the burning expanded stage, water purification filtrate can be made like this to produce more micropore, can further improve the adsorption of water purification filtrate product, and then further improve the utilization ratio of water purification filtrate.
Mud and the mud of producing the employing of this water purification filtrate are discarded resource, and at present, these two kinds of waste resources all fail reasonably to be utilized.A large amount of mud of sewage work's discharge every day are transported to special storage place, and idle heap puts away, and causes a large amount of soil occupied, also causes serious potential threat to ecotope.And a large amount of mud produced every year cover a large amount of useful land resources, cause the waste of land resources, such as, Tianjin is positioned at Jing-jin-ji region economic circle and Circum-Bohai Sea city joint, existing more than 1200 square kilometres of saline-alkali wastelands urgently develop, this is particularly rare in coastal cities at home, but the part for a long time in wasteland is covered by the mud in the Bohai Sea, these mud from the silt be mingled with in seawater, by a large amount of silt mud of impact of tide outside the estuario ebb gate in the river course such as new Yongding River, Ziyahe River, a kind of sugar, produced in chao'an county Xinhe River, solely stream distributary.Therefore, the key subjects that China's urban development faces have been become to the Appropriate application of mud and mud.
The water purification filtrate produced by present method achieves the cycling and reutilization of mud, also a large amount of mud can be used, so not only save with water, also save the useful resources such as clay, ore, the more important thing is the utilization achieving waste resource, decrease waste resource to appropriation of land and the impact on environment.
Claims (2)
1. a production method for water purification filtrate, is characterized in that, the raw materials for production of described water purification filtrate comprise sewage work dispose of sewage after the mud of output and the mud of channel deposit, the production process of described water purification filtrate is:
1) prepare burden: be that the mud of 80% and the mud after drying are puddled evenly in whipping appts by water content, form mixture, the water content of mixture is 15%-20%, and wherein each raw material accounts for: mud 20%-25%, mud 75%-80%;
2) granulate: by the first transfer mechanism, mixture is delivered to facility for granulating, by mixture ball up particle in facility for granulating;
3) screen: the spherical particle material of extrusion molding is delivered to screening plant through second conveyor structure, under the effect of screening plant trommel screen, filter out the more uniform spherical particle material of particle diameter ratio, this partial material is qualified material, other material is discharged by the waste outlet of trommel screen, and be delivered on the first transfer mechanism by the 3rd transfer mechanism, be more again delivered to facility for granulating by the first transfer mechanism;
4) dry: the qualified spherical particle material filtered out is discharged by the discharge port of trommel screen, and be delivered in the stoving oven that arranges by certain angle of inclination by the 4th transfer mechanism, temperature in stoving oven raises from feed inlet end gradually to discharge port end, the temperature of feed inlet end is 150 DEG C-250 DEG C, the temperature of discharge port end is 600 DEG C-700 DEG C, and the time that spherical particle material moves to discharge port end from the feed inlet end in stoving oven is 35min-45min;
5) burn expanded: by the spherical particle mass transport of drying to the rotary kiln that docks with stoving oven discharge port, the process of moving from feed inlet end to discharge port end in rotary kiln experience burning, expanded to making finished product, temperature wherein in rotary kiln raises from its feed inlet end gradually to discharge port end, the temperature of feed inlet end is 600 DEG C-700 DEG C, the temperature of discharge port end reaches 1200 DEG C, and the time that spherical particle material moves to discharge port end from the feed inlet end of rotary kiln is 20min-25min;
6) air-cooled: will to be delivered in the air cooler be connected with the discharge port of rotary kiln through the expanded finished product made of burning, lowered the temperature gradually the process of moving from feed inlet end to discharge port end in air cooler, when finished product is to air cooler discharge port position, its temperature is down to 200 DEG C-300 DEG C, and the time that finished product moves to discharge port end from the feed inlet end of air cooler is 15min-20min;
7) naturally cooling: the finished product of discharging from air cooler passes through transportation equipment amplifier to stock ground, naturally cools to room temperature in stock ground.
2. the production method of water purification filtrate according to claim 1, is characterized in that: the raw materials for production of described water purification filtrate also comprise the additive of 3%-5% weight percent, and described additive is swelling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685814.3A CN104386768B (en) | 2014-11-25 | 2014-11-25 | A kind of production method of water purification filtrate |
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|---|---|---|---|
| CN201410685814.3A CN104386768B (en) | 2014-11-25 | 2014-11-25 | A kind of production method of water purification filtrate |
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| CN104386768A true CN104386768A (en) | 2015-03-04 |
| CN104386768B CN104386768B (en) | 2016-04-27 |
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| CN201410685814.3A Expired - Fee Related CN104386768B (en) | 2014-11-25 | 2014-11-25 | A kind of production method of water purification filtrate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013387A (en) * | 2015-06-25 | 2015-11-04 | 天津市彤泰成科技有限公司 | Sludge and mud mixing device for water purification filter material production |
| CN108083427A (en) * | 2017-12-26 | 2018-05-29 | 安徽华骐环保科技股份有限公司 | A kind of new bio filtrate and preparation method thereof |
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| CN102491731A (en) * | 2011-12-08 | 2012-06-13 | 复旦大学 | Preparation method of biological ceramsite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013387A (en) * | 2015-06-25 | 2015-11-04 | 天津市彤泰成科技有限公司 | Sludge and mud mixing device for water purification filter material production |
| CN108083427A (en) * | 2017-12-26 | 2018-05-29 | 安徽华骐环保科技股份有限公司 | A kind of new bio filtrate and preparation method thereof |
| CN108083427B (en) * | 2017-12-26 | 2020-12-25 | 安徽华骐环保科技股份有限公司 | Novel biological filter material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104386768B (en) | 2016-04-27 |
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