CN108000704B - Utilize the environment-friendly treatment method of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block - Google Patents
Utilize the environment-friendly treatment method of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block Download PDFInfo
- Publication number
- CN108000704B CN108000704B CN201711127332.6A CN201711127332A CN108000704B CN 108000704 B CN108000704 B CN 108000704B CN 201711127332 A CN201711127332 A CN 201711127332A CN 108000704 B CN108000704 B CN 108000704B
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- Prior art keywords
- building block
- flue gas
- tailing
- desulfurized gesso
- soda soil
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
Abstract
The invention discloses a kind of environment-friendly treatment methods using desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block, including crushing, mixing, preparation is added, evaporation, molding, drying and other steps, the present invention is by desulfurized gesso of flue gas, clay, tailing mixes after crushing, activating agent is added, after waterproofing agent and exciting agent, it is squeezed into building block, fresh-water pool is built for salt-soda soil and send water channel, fume treatment can be efficiently solved, the waste of the generation of the related industries such as mineral mining, greatly solve the waste disposal issues of relevant enterprise, the recycling of waste is also achieved simultaneously, utilize desulfurized gesso of flue gas, clay, the building block of mine tailing support, it is used on salt-soda soil, it is influenced by salt-soda soil salt and alkali component small, the pond and water channel built up are securely solid, national energy-saving is met to the recycling of enterprise's waste The state basic policy of emission reduction helps to save resource.
Description
Technical field
The present invention relates to desulfurized gesso of flue gas processing technology fields more particularly to a kind of utilization desulfurized gesso of flue gas to make salt
Alkali hydraulic engineering building block environment-friendly treatment method.
Background technique
China's saline alkali land area is larger, it is desirable to rationally be utilized in salt-soda soil, it is necessary to first carry out soil property to salt-soda soil and control
Reason.In soil property governance process, fresh water irrigation is inevitable one of steps necessary.Water is used during the desalinization of soil by flooding or leaching in salt-soda soil
Amount is big, depends merely on that the long-range transfer efficiency of pipeline is low, and pipeline consumable quantity is big, it is therefore desirable to arrange that special fresh water stores in salt-soda soil region
Pond and send water channel.It reservoir and send water channel in architectural process, will use a large amount of building block.
And in the big enterprise of each Coal-fired capacity, coal-fired flue-gas cannot be directly discharged in air, need to take off flue gas
Sulphuring treatment, in order to avoid pollution air.Therefore traditional limestone/lime-gypsum method flue gas desulfurization technique will form a large amount of desulfurization
Gypsum, and most relevant enterprises cannot all be effectively utilized desulfurized gypsum, form the burden of enterprise.
There are also the biggish fields of a waste production in China, that is, exploitation of mineral resources field.China is rich in minerals, in mineral products
A large amount of tailing rubbish can be generated in exploitation treatment process, during traditional exploitation of mineral resources, tailing often all uses tailing
The method that heap is abandoned.Tailing heap after utility is extracted is abandoned on the soil of large area, and this heap digging soil method occupies
A large amount of soil also will cause environment, soil pollution in wind and rain weather, therefore be unfavorable for environmental protection.
Therefore the how effectively processing desulfurized gypsum, tailing of environmental protection, used the reservoir built on salt-soda soil and
It send on water channel, will have greater significance for energy-saving and emission-reduction.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of recyclings of realization desulfurized gypsum, prevent desulfurized gypsum heap
Abandon the environment-friendly treatment method using desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block of pollution environment.
In order to solve the above technical problems, the technical scheme is that making salt-soda soil water conservancy using desulfurized gesso of flue gas
The environment-friendly treatment method of engineering building block, includes the following steps,
Step 1: crushing
Desulfurized gesso of flue gas is crushed using grinding device, crushes desulfurized gesso of flue gas in powdered；
Clay is ground into clay end using grinding device；
Tailings utilization grinding device is ground into tailing end；
Step 2: mixing
It takes the desulfurized gesso of flue gas end, clay end, tailing end of weight to be mixed, water conservancy stirring is then added
Slurry is made in device stirring；
Slurry after stirring is stood 1~2 hour, agitating device is again started up and continuously stirs 20~30 minutes, this step
It carries out minimum 3 times；
Step 3: preparation is added
In the slurry stood, the activating agent, waterproofing agent and exciting agent of weight is added, is again started up stirring dress
It sets and continuously stirs 20~30 minutes, slurry is uniformly mixed with activating agent, waterproofing agent and exciting agent, form building block raw material；
Step 4: evaporation
Heating, drying will be carried out in building block feedstock transportation to drying equipment, the drying temperature of drying equipment is 90~110 DEG C,
The building block feed moisture content of drying equipment output is 10~15%；
Step 5: molding
By the building block feedstock transportation of drying equipment output to block forming equipment, using block forming equipment by building block raw material
It is squeezed into building block；
Step 6: dry
By the building block of extrusion forming in room temperature standing and drying, building block enumerated into storage after dry.
The building block extrusion forming is cuboid structure as a preferred technical solution, and the length of the building block is
30cm, width 15cm, with a thickness of 15cm.
The thickness face of the building block is equipped with snap-in groove, another thickness of the building block on one side as a preferred technical solution,
Degree face is equipped with buckle protrusion, and the snap-in groove inner surface contour is corresponding to the raised outer wall profile of the buckle.
The desulfurized gesso of flue gas is last as a preferred technical solution, clay is last, tailing end weight is,
Desulfurized gesso of flue gas end 30~40, clay end 20~30, tailing end 50~60.
The tailing includes soft rock tailing, hard rock tailing or thin tailing as a preferred technical solution,.
The soft rock tailing includes duff waste residue or/and trona insoluble matter as a preferred technical solution,；
The hard rock tailing includes lead ore, zinc ore, Copper Ores, gold ore, silver ore, platinum ore, nickel ores, cobalt ore
Stone, tin ore, tungsten ore, chrome ore or/and titanium ore tailing；
The thin tailing includes phosphate clay, bauxite red soil, the thin tailing of iron or/and tar sand tailing.
The weight of the activating agent, the waterproofing agent and the exciting agent is as a preferred technical solution,
Activating agent 0.3~0.4, waterproofing agent 0.2~0.3, exciting agent 0.3~0.4.
As improvement to above-mentioned technical proposal, the exciting agent includes the component of following weight:
Magnesia 2~5, bentonite 2~4, lime 3~5, calcium stearate 0.2~0.4.
By adopting the above-described technical solution, the beneficial effects of the present invention are: by desulfurized gesso of flue gas, clay, mine tailing
Mixing is squeezed into building block after activating agent, waterproofing agent and exciting agent is added after broken, is built fresh-water pool for salt-soda soil and is sent
Water channel, can efficiently solve the waste of the generation of the related industries such as fume treatment, mineral mining, to avoid largely useless
Gurry heap abandons the waste formed to land seizure, and above-mentioned substance is avoided to generate a possibility that polluting to atmosphere, soil, greatly
Ground solves the waste disposal issues of relevant enterprise, while also achieving the recycling of waste, utilizes flue gas desulfurization stone
The building block that cream, clay, mine tailing support, uses on salt-soda soil, small, the pond built up and water is influenced by salt-soda soil salt and alkali component
Canal is securely solid, meets the recycling of enterprise's waste the state basic policy of national energy conservation and emission reduction, helps to save resource.
Specific embodiment
Below with reference to embodiment, the present invention is further explained.In the following detailed description, it is only retouched by way of explanation
Certain exemplary embodiments of the invention are stated.Undoubtedly, those skilled in the art will recognize, without departing from
In the case where the spirit and scope of the present invention, the described embodiments may be modified in various different ways.Therefore,
Description is regarded as illustrative in nature, and is not intended to limit the scope of the claims.
In national enterprise production process, a large amount of desulfurized gesso of flue gas, tailing can be generated, the present embodiment is exactly to introduce such as
What effectively recycles above-mentioned three, be made building block for building, the fields such as water conservancy, to realize energy-saving and emission-reduction.
The present embodiment is related to a kind of environmental protection treatment side using desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block
Method includes the following steps,
Step 1: crushing
Desulfurized gesso of flue gas is crushed using grinding device, crushes desulfurized gesso of flue gas in powdered, it is spare；
Clay is ground into clay end using grinding device, it is spare；
Tailings utilization grinding device is ground into tailing end, it is spare.
By pulverising step, powder is respectively prepared in desulfurized gesso of flue gas, tailing and clay, in order to energy between each component
Enough mixing sufficiently, improve the cohesiveness of component, to improve the load bearing stength of building block.
The weight at desulfurized gesso of flue gas end, clay end, tailing end in the present embodiment is flue gas desulfurization stone
Cream end 30~40, clay end 20~30, tailing end 50~60.By proportion test when desulfurized gesso of flue gas end, clay end,
The weight at tailing end be it is following proportion be desulfurized gesso of flue gas end 35, clay end 25, tailing end 55 when, building block obtained
Maximum intensity, bearing capacity are best.
The tailing includes soft rock tailing, hard rock tailing or thin tailing, and specifically, the soft rock tailing includes duff waste residue
Or/and trona insoluble matter；The hard rock tailing include lead ore, zinc ore, Copper Ores, gold ore, silver ore, platinum ore,
Nickel ores, cobalt ore, tin ore, tungsten ore, chrome ore or/and titanium ore tailing；The thin tailing include phosphate clay,
The thin tailing of bauxite red soil, iron or/and tar sand tailing, certainly, the tailing can also include thick tailing, in order to by mining industry
The tailing of each type can be reused using this method.
Step 2: mixing
It takes the desulfurized gesso of flue gas end, clay end, tailing end of weight to be mixed, water conservancy stirring is then added
Slurry is made in device stirring；
Slurry after stirring is stood 1~2 hour, agitating device is again started up and continuously stirs 20~30 minutes, this step
It carries out minimum 3 times.By repeatedly stirring and standing, it is uniformly mixed desulfurized gesso of flue gas end, clay end, tailing end, between component
Cohesiveness increases, and helps to improve the intensity of product.
Step 3: preparation is added
In the slurry stood, the activating agent, waterproofing agent and exciting agent of weight is added, is again started up stirring dress
It sets and continuously stirs 20~30 minutes, slurry is uniformly mixed with activating agent, waterproofing agent and exciting agent, form building block raw material.
Specifically, the weight of the activating agent, the waterproofing agent and the exciting agent is, activating agent 0.3~
0.4, waterproofing agent 0.2~0.3, exciting agent 0.3~0.4.The activating agent, the waterproofing agent and described are added in building block raw material
The purpose of exciting agent is, improves the use intensity of building block, prolongs its service life.
The exciting agent includes the component of following weight: magnesia 2~5, bentonite 2~4, lime 3~5, hard
Resin acid calcium 0.2~0.4.By actual test, when the weight that the weight of activating agent is 0.35, waterproofing agent
0.25, when the weight 0.35 of exciting agent, the weight of magnesia is 4, bentonitic weight is 3, stone
When the weight of ash is 4, the weight of calcium stearate is 0.3, manufactured block strength is maximum, and service life is most
It is long.
Step 4: evaporation
Heating, drying will be carried out in building block feedstock transportation to drying equipment, the drying temperature of drying equipment is 90~110 DEG C,
The building block feed moisture content of drying equipment output is 10~15%, and building block raw material is evaporated, its moisture content is reduced, convenient for squeezing
It is molded.
Step 5: molding
By the building block feedstock transportation of drying equipment output to block forming equipment, using block forming equipment by building block raw material
It is squeezed into building block, the building block of extrusion forming is wetter, not directly enumerates storage, and the easy stress of the building block of bottom is excessive and generates and splits
Line or deformation influence its normal use in building.
Step 6: dry
By the building block of extrusion forming in room temperature standing and drying, building block enumerated into storage after dry, building block is dry high
It is enumerated, the building block of bottom will not be affected, and can be used directly.
The embodiment of the present invention building block extrusion forming is cuboid structure, and the length of the building block is 30cm, and width is
15cm, with a thickness of 15cm, it is of course possible to which other length are arranged according to the difference of client's use condition according to the difference of field of employment
The building block of degree.
The thickness face of the building block is equipped with snap-in groove on one side, and another thickness face of the building block is equipped with buckle protrusion, institute
It is corresponding to the raised outer wall profile of the buckle to state snap-in groove inner surface contour, it, can be by adjacent two in this way when carrying out assembling block
The snap-in groove of row is buckled together with the buckle convex clip, improves the fastness of construction wall.
The present invention mixes after crushing desulfurized gesso of flue gas, clay, tailing, after activating agent, waterproofing agent and exciting agent is added,
It is squeezed into building block, build fresh-water pool for salt-soda soil and send water channel, fume treatment, mineral mining can be efficiently solved
Etc. the generation of related industries waste, so that a large amount of waste heaps be avoided to abandon the waste formed to land seizure, and avoid
A possibility that above-mentioned substance generates pollution to atmosphere, soil, greatly solves the waste disposal issues of relevant enterprise, simultaneously
The recycling of waste is also achieved, the building block supported using desulfurized gesso of flue gas, clay, mine tailing is made on salt-soda soil
With being influenced by salt-soda soil salt and alkali component small, the pond and water channel built up are securely solid, meet the recycling of enterprise's waste
The state basic policy of national energy conservation and emission reduction helps to save resource.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. utilizing the environment-friendly treatment method of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block, it is characterised in that: including
Following steps,
Step 1: crushing
Desulfurized gesso of flue gas is crushed using grinding device, crushes desulfurized gesso of flue gas in powdered；
Clay is ground into clay end using grinding device；
Tailings utilization grinding device is ground into tailing end；
Step 2: mixing
It takes the desulfurized gesso of flue gas end, clay end, tailing end of weight to be mixed, water conservancy agitating device is then added
Slurry is made in stirring；
Slurry after stirring is stood 1~2 hour, agitating device is again started up and continuously stirs 20~30 minutes, this step carries out
Minimum 3 times；
Step 3: preparation is added
In the slurry stood, the activating agent, waterproofing agent and exciting agent of weight is added, is again started up agitating device company
Continuous stirring 20~30 minutes, slurry is uniformly mixed with activating agent, waterproofing agent and exciting agent, forms building block raw material；
Step 4: evaporation
Heating, drying will be carried out in building block feedstock transportation to drying equipment, the drying temperature of drying equipment is 90~110 DEG C, drying
The building block feed moisture content of equipment output is 10~15%；
Step 5: molding
By the building block feedstock transportation of drying equipment output to block forming equipment, using block forming equipment by building block material extruding
At building block；
Step 6: dry
By the building block of extrusion forming in room temperature standing and drying, building block enumerated into storage after dry.
2. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as described in claim 1
Method, it is characterised in that: the building block extrusion forming is cuboid structure, and the length of the building block is 30cm, width 15cm,
With a thickness of 15cm.
3. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as described in claim 1
Method, it is characterised in that: the thickness face of the building block is equipped with snap-in groove on one side, and it is convex that another thickness face of the building block is equipped with buckle
It rises, the snap-in groove inner surface contour is corresponding to the raised outer wall profile of the buckle.
4. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as described in claim 1
Method, it is characterised in that: the desulfurized gesso of flue gas is last, clay is last, tailing end weight is,
Desulfurized gesso of flue gas end 30~40, clay end 20~30, tailing end 50~60.
5. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as claimed in claim 4
Method, it is characterised in that: the tailing includes soft rock tailing, hard rock tailing or thin tailing.
6. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as claimed in claim 5
Method, it is characterised in that: the soft rock tailing includes duff waste residue or/and trona insoluble matter；
The hard rock tailing include lead ore, zinc ore, Copper Ores, gold ore, silver ore, platinum ore, nickel ores, cobalt ore,
Tin ore, tungsten ore, chrome ore or/and titanium ore tailing；
The thin tailing includes phosphate clay, bauxite red soil, the thin tailing of iron or/and tar sand tailing.
7. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as described in claim 1
Method, it is characterised in that: the weight of the activating agent, the waterproofing agent and the exciting agent is,
Activating agent 0.3~0.4, waterproofing agent 0.2~0.3, exciting agent 0.3~0.4.
8. utilizing the environmental protection treatment side of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block as claimed in claim 7
Method, it is characterised in that: the exciting agent includes the component of following weight:
Magnesia 2~5, bentonite 2~4, lime 3~5, calcium stearate 0.2~0.4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711127332.6A CN108000704B (en) | 2017-11-15 | 2017-11-15 | Utilize the environment-friendly treatment method of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block |
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| CN201711127332.6A CN108000704B (en) | 2017-11-15 | 2017-11-15 | Utilize the environment-friendly treatment method of desulfurized gesso of flue gas production salt-soda soil hydraulic engineering building block |
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| CN108000704B true CN108000704B (en) | 2019-09-10 |
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| CN107056201A (en) * | 2017-03-29 | 2017-08-18 | 合肥天沃能源科技有限公司 | A kind of air entrained concrete containing recessed native powder and preparation method thereof |
| CN107324747A (en) * | 2017-07-28 | 2017-11-07 | 贞丰县恒山建材有限责任公司 | A kind of novel water permeable brick and preparation method thereof |
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2017
- 2017-11-15 CN CN201711127332.6A patent/CN108000704B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100121935A (en) * | 2009-05-11 | 2010-11-19 | 김희경 | Recycling rubber grass block |
| CN103723988A (en) * | 2013-12-09 | 2014-04-16 | 广西大学 | Light and high strength aerated concrete prepared with glass powder and preparation method thereof |
| CN107056201A (en) * | 2017-03-29 | 2017-08-18 | 合肥天沃能源科技有限公司 | A kind of air entrained concrete containing recessed native powder and preparation method thereof |
| CN106946546A (en) * | 2017-04-06 | 2017-07-14 | 合肥欧克斯新型建材有限公司 | A kind of wear-resisting permeable square brick and preparation method thereof |
| CN107324747A (en) * | 2017-07-28 | 2017-11-07 | 贞丰县恒山建材有限责任公司 | A kind of novel water permeable brick and preparation method thereof |
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