CN110079145A - A kind of gypsum putty production technology based on desulfurization gypsum powder - Google Patents
A kind of gypsum putty production technology based on desulfurization gypsum powder Download PDFInfo
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- CN110079145A CN110079145A CN201910311109.XA CN201910311109A CN110079145A CN 110079145 A CN110079145 A CN 110079145A CN 201910311109 A CN201910311109 A CN 201910311109A CN 110079145 A CN110079145 A CN 110079145A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
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Abstract
The invention discloses a kind of gypsum putties based on desulfurization gypsum powder, including following raw material and its weight fraction: desulfurized gypsum 45-50 mass parts;Talcum powder 40-45 mass parts;Calcium base 30-45 mass parts;Water-soluble cracking resistance rubber powder 10-20 mass parts;Good fortune tap fiber 2-5 mass parts;Anti-blushing agent 3-6 mass parts.The present invention passes through the addition of good fortune tap fiber, the advantages of being provided simultaneously with polypropylene fibre and aramid fiber, make gypsum putty that there is good cracking resistance and adhesion strength, increase the service life of gypsum putty, by the way that anti-blushing agent is added in gypsum putty, the humidity resistance of gypsum putty can effectively be promoted, extend the storage time of gypsum putty and moisture-proof after use, the present invention can greatly improve the service life of gypsum putty, cracking resistance and adhesion strength are promoted, the storage time of gypsum putty is extended.
Description
Technical field
The present invention relates to desulfurization gypsum powder technical field, specially a kind of gypsum putty based on desulfurization gypsum powder produces work
Skill.
Background technique
Attention now with country to environmental protection, China come into effect power plant desulfurization technology the early 1990s, but big simultaneously
The stacking area land occupation of the desulfuration waste of amount is made good use of to reduce the solid waste landed property of power plant emission
Desulfurized gypsum is imperative.Exploitation desulfurized gypsum dry powder batch wall putty material is one of the effective way using desulfurized gypsum, together
When can reduce the cost of batch wall putty, desulfurized gypsum is also known as flue gas desulfurization gypsum, sulphur gypsum or FGD gypsum, main component and
The natural gypsum is the same, is calcium sulphate dihydrate CaSO42H2O, content >=93%.Desulfurized gypsum is the byproduct of FGD process, FGD
Process is a technology using the sulfur dioxide in lime-coal-fired or oily flue gas of lime stone recycling.The technology is lime-
Lime stone, which is ground, is made slurries, and the flue gas containing SO2 after dedusting is made to remove SO2 by slurry wash device.Lime slurry
It is reacted with SO2 and generates calcium sulfate and calcium sulfite, calcium sulfite is converted to calcium sulfate through oxidation, obtains industry by-product gypsum, claims
For desulfurized gypsum, it is widely used in the industries such as building materials.The meaning of its processing and utilization is very great, it not only effectively promotes country
The further development of environment-protective circulating economy, and it is also greatly reduced the yield of ore cream, protect resource, desulfurized gypsum master
If adding water that slurries are made lime-agstone, squeezes into absorption tower as absorbent pump and come into full contact with flue gas and mix, cigarette
Calcium hydroxide in sulfur dioxide and slurries in gas and the air blasted from tower lower part carry out oxidation reaction and generate calcium sulfate,
Calcium sulfite after reaching certain saturation degree, is discharged absorption tower, then concentrated, dehydration, makes its water content less than 10%, crystalline
At the mixture of dihydrate gypsum and calcium sulfite, is then sent with conveyer to gypsum bunker and stacked.
Existing desulfurized gypsum subsequent can generally be processed into gypsum putty, but existing desulfurized gypsum putty is generally all adopted
With polypropylene fibre, crack resistance, the adhesion strength of these fibers be not it is very high, therefore, it is proposed that a kind of be based on desulfurized gypsum
The gypsum putty production technology of powder.
Summary of the invention
The gypsum putty production technology based on desulfurization gypsum powder that the purpose of the present invention is to provide a kind of, solves background skill
The problem of proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of gypsum putty based on desulfurization gypsum powder, packet
Include following raw material and its weight fraction: desulfurized gypsum 45-50 mass parts;Talcum powder 40-45 mass parts;Calcium base 30-35 mass parts;
Water-soluble cracking resistance rubber powder 10-20 mass parts;Good fortune tap fiber 2-5 mass parts;Anti-blushing agent 2-4 mass parts.
As a kind of preferred embodiment of the invention, 45 mass parts of desulfurized gypsum;40 mass parts of talcum powder;30 matter of calcium base
Measure part;Water-soluble 10 mass parts of cracking resistance rubber powder;2 mass parts of good fortune tap fiber: 2 mass parts of anti-blushing agent.
As a kind of preferred embodiment of the invention, 42 mass parts of desulfurized gypsum;43 mass parts of talcum powder;32 matter of calcium base
Measure part;Water-soluble 17 mass parts of cracking resistance rubber powder;3 mass parts of good fortune tap fiber;3 mass parts of anti-blushing agent.
As a kind of preferred embodiment of the invention, 50 mass parts of desulfurized gypsum;45 mass parts of talcum powder;35 matter of calcium base
Measure part;Water-soluble 20 mass parts of cracking resistance rubber powder;5 mass parts of good fortune tap fiber;4 mass parts of anti-blushing agent.
As a kind of preferred embodiment of the invention, preparation step is as follows:
A. above-mentioned raw materials are weighed according to parts by weight;
B. after the completion of step a, desulfurized gypsum and talcum powder are put into stirred tank, temperature when mixing is 25-30
DEG C, the mixed time is 5-10min, and calcium base is then added into stirred tank again and water-soluble cracking resistance rubber powder is mixed, mixes
When temperature be 40-50 DEG C, the mixed time is 20-30min, and revolving speed when mixing is 800-1200r/min;
C. after the completion of step b, then good fortune tap fiber and anti-blushing agent is added into mixture and is mixed, temperature when mixing
Be 35-45 DEG C, the mixed time is 15-25min, and revolving speed when mixing is 1100-1500r/min, finally to mixture into
Row drying, is milled using ball mill, weighing pack;
It d. is finished product after metering packing after the completion of step c, finished room ageing can go out after placing 15~30d
Factory uses.
As a kind of preferred embodiment of the invention, the calcium base is atlapulgite, natural bleaching soil and organic swelling
One or more of soil.
As a kind of preferred embodiment of the invention, the anti-blushing agent is sodium dihydrogen phosphate, tricalcium phosphate, 12 water phosphorus
One or more of sour trisodium, calcium chloride, silica, anhydrous calcium chloride additives.
As a kind of preferred embodiment of the invention, the good fortune tap fiber is polypropylene fibre and aramid fiber according to matter
Amount is mixed than 3: 1.
Compared with prior art, beneficial effects of the present invention are as follows:
The advantages of present invention passes through the addition of good fortune tap fiber, has been provided simultaneously with polypropylene fibre and aramid fiber, makes gypsum
Putty has good cracking resistance and adhesion strength, increases the service life of gypsum putty, by adding in gypsum putty
Enter anti-blushing agent, can effectively promote the humidity resistance of gypsum putty, after the storage time and use that extend gypsum putty
Moisture-proof, the present invention can greatly improve the service life of gypsum putty, promote cracking resistance and adhesion strength, it is greasy to extend gypsum
The storage time of son.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of flow chart of the gypsum putty production technology based on desulfurization gypsum powder of the present invention;
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of gypsum putty based on desulfurization gypsum powder, including with
Lower raw material and its weight fraction: desulfurized gypsum 45-50 mass parts;Talcum powder 40-45 mass parts;Calcium base 30-35 mass parts;It is water-soluble
Property cracking resistance rubber powder 10-20 mass parts;Good fortune tap fiber 2-5 mass parts;Anti-blushing agent 2-4 mass parts.
Further, 45 mass parts of desulfurized gypsum;40 mass parts of talcum powder;30 mass parts of calcium base;Water-soluble cracking resistance rubber powder
10 mass parts;2 mass parts of good fortune tap fiber: 2 mass parts of anti-blushing agent.
Further, 42 mass parts of desulfurized gypsum;43 mass parts of talcum powder;32 mass parts of calcium base;Water-soluble cracking resistance rubber powder
17 mass parts;3 mass parts of good fortune tap fiber;3 mass parts of anti-blushing agent.
Further, 50 mass parts of desulfurized gypsum;45 mass parts of talcum powder;35 mass parts of calcium base;Water-soluble cracking resistance rubber powder
20 mass parts;5 mass parts of good fortune tap fiber;4 mass parts of anti-blushing agent.
Further, preparation step is as follows:
A. above-mentioned raw materials are weighed according to parts by weight;
B. after the completion of step a, desulfurized gypsum and talcum powder are put into stirred tank, temperature when mixing is 25-30
DEG C, the mixed time is 5-10min, and calcium base is then added into stirred tank again and water-soluble cracking resistance rubber powder is mixed, mixes
When temperature be 40-50 DEG C, the mixed time is 20-30min, and revolving speed when mixing is 800-1200r/min;
C. after the completion of step b, then good fortune tap fiber and anti-blushing agent is added into mixture and is mixed, temperature when mixing
Be 35-45 DEG C, the mixed time is 15-25min, and revolving speed when mixing is 1100-1500r/min, finally to mixture into
Row drying, is milled using ball mill, weighing pack;
It d. is finished product after metering packing after the completion of step c, finished room ageing can go out after placing 15~30d
Factory uses.
Further, the calcium base is one or more of atlapulgite, natural bleaching soil and organobentonite.
Further, the anti-blushing agent is sodium dihydrogen phosphate, tricalcium phosphate, ten phosphate dihydrate trisodiums, calcium chloride, titanium dioxide
One or more of silicon, anhydrous calcium chloride additives.
Further, the good fortune tap fiber is that polypropylene fibre and aramid fiber are mixed according to mass ratio 3: 1.
Embodiment one
The gypsum putty material, including following raw material and its weight fraction: 45 mass parts of desulfurized gypsum;Talcum powder 40
Mass parts;30 mass parts of calcium base;Water-soluble 10 mass parts of cracking resistance rubber powder;2 mass parts of good fortune tap fiber: 2 mass parts of anti-blushing agent.
Preparation step is as follows:
A. above-mentioned raw materials are weighed according to parts by weight;
B. after the completion of step a, desulfurized gypsum and talcum powder are put into stirred tank, temperature when mixing is 25-30
DEG C, the mixed time is 5-10min, and calcium base is then added into stirred tank again and water-soluble cracking resistance rubber powder is mixed, mixes
When temperature be 40-50 DEG C, the mixed time is 20-30min, and revolving speed when mixing is 800-1200r/min;
C. after the completion of step b, then good fortune tap fiber and anti-blushing agent is added into mixture and is mixed, temperature when mixing
Be 35-45 DEG C, the mixed time is 15-25min, and revolving speed when mixing is 1100-1500r/min, finally to mixture into
Row drying, is milled using ball mill, weighing pack;
It d. is finished product after metering packing after the completion of step c, finished room ageing can go out after placing 15~30d
Factory uses.
Embodiment two
The gypsum putty material, including following raw material and its weight fraction: 42 mass parts of desulfurized gypsum;Talcum powder 43
Mass parts;32 mass parts of calcium base;Water-soluble 17 mass parts of cracking resistance rubber powder;3 mass parts of good fortune tap fiber;3 mass parts of anti-blushing agent.
Preparation step is as follows:
A. above-mentioned raw materials are weighed according to parts by weight;
B. after the completion of step a, desulfurized gypsum and talcum powder are put into stirred tank, temperature when mixing is 25-30
DEG C, the mixed time is 5-10min, and calcium base is then added into stirred tank again and water-soluble cracking resistance rubber powder is mixed, mixes
When temperature be 40-50 DEG C, the mixed time is 20-30min, and revolving speed when mixing is 800-1200r/min;
C. after the completion of step b, then good fortune tap fiber and anti-blushing agent is added into mixture and is mixed, temperature when mixing
Be 35-45 DEG C, the mixed time is 15-25min, and revolving speed when mixing is 1100-1500r/min, finally to mixture into
Row drying, is milled using ball mill, weighing pack;
It d. is finished product after metering packing after the completion of step c, finished room ageing can go out after placing 15~30d
Factory uses.
Embodiment three
The gypsum putty material, including following raw material and its weight fraction: 50 mass parts of desulfurized gypsum;Talcum powder 45
Mass parts;35 mass parts of calcium base;Water-soluble 20 mass parts of cracking resistance rubber powder;5 mass parts of good fortune tap fiber;4 mass parts of anti-blushing agent.
Preparation step is as follows:
A. above-mentioned raw materials are weighed according to parts by weight;
B. after the completion of step a, desulfurized gypsum and talcum powder are put into stirred tank, temperature when mixing is 25-30
DEG C, the mixed time is 5-10min, and calcium base is then added into stirred tank again and water-soluble cracking resistance rubber powder is mixed, mixes
When temperature be 40-50 DEG C, the mixed time is 20-30min, and revolving speed when mixing is 800-1200r/min;
C. after the completion of step b, then good fortune tap fiber and anti-blushing agent is added into mixture and is mixed, temperature when mixing
Be 35-45 DEG C, the mixed time is 15-25min, and revolving speed when mixing is 1100-1500r/min, finally to mixture into
Row drying, is milled using ball mill, weighing pack;
It d. is finished product after metering packing after the completion of step c, finished room ageing can go out after placing 15~30d
Factory uses.
Conventional gypsum putty material data parameters table 1 is as follows:
Test item | Effect of prestressed | Adhesion strength | Dampproof effect |
Parameter index | Difference | It is weak | Generally |
One gypsum putty material data parameter list 2 of embodiment is as follows:
Test item | Effect of prestressed | Adhesion strength | Dampproof effect |
Parameter index | It is weak | Generally | Well |
Two gypsum putty material data parameter list 3 of embodiment is as follows:
Test item | Effect of prestressed | Adhesion strength | Dampproof effect |
Parameter index | Well | Well | It is excellent |
Three gypsum putty material data parameter list 4 of embodiment is as follows:
Test item | Effect of prestressed | Adhesion strength | Dampproof effect |
Parameter index | It is excellent | It is excellent | By force |
It to sum up states, is obtained referring to the data comparison of table 1, table 2, table 3 and table 4, the present invention passes through the addition of good fortune tap fiber, together
When have the advantages of polypropylene fibre and aramid fiber, make gypsum putty have good cracking resistance and adhesion strength, increase
The service life for having added gypsum putty can effectively promote the moisture-proof of gypsum putty by the way that anti-blushing agent is added in gypsum putty
Performance extends the storage time of gypsum putty and moisture-proof after use, and the present invention can greatly improve making for gypsum putty
With the service life, cracking resistance and adhesion strength are promoted, the storage time of gypsum putty is extended.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of gypsum putty based on desulfurization gypsum powder, it is characterised in that: including following raw material and its weight fraction: desulfurization stone
Cream 45-50 mass parts;Talcum powder 40-45 mass parts;Calcium base 30-35 mass parts;Water-soluble cracking resistance rubber powder 10-20 mass parts;Good fortune
Tap fiber 2-5 mass parts;Anti-blushing agent 2-4 mass parts.
2. a kind of gypsum putty based on desulfurization gypsum powder according to claim 1, it is characterised in that: 45 matter of desulfurized gypsum
Measure part;40 mass parts of talcum powder;30 mass parts of calcium base;Water-soluble 10 mass parts of cracking resistance rubber powder;2 mass parts of good fortune tap fiber: moisture-proof
2 mass parts of agent.
3. a kind of gypsum putty based on desulfurization gypsum powder according to claim 1, it is characterised in that: 42 matter of desulfurized gypsum
Measure part;43 mass parts of talcum powder;32 mass parts of calcium base;Water-soluble 17 mass parts of cracking resistance rubber powder;3 mass parts of good fortune tap fiber;It is moisture-proof
3 mass parts of agent.
4. a kind of gypsum putty based on desulfurization gypsum powder according to claim 1, it is characterised in that: 50 matter of desulfurized gypsum
Measure part;45 mass parts of talcum powder;35 mass parts of calcium base;Water-soluble 20 mass parts of cracking resistance rubber powder;5 mass parts of good fortune tap fiber;It is moisture-proof
4 mass parts of agent.
5. a kind of gypsum putty production technology based on desulfurization gypsum powder according to claim 1, it is characterised in that: preparation
Steps are as follows:
A. above-mentioned raw materials are weighed according to parts by weight;
B. after the completion of step a, desulfurized gypsum and talcum powder to be put into stirred tank, temperature when mixing is 25-30 DEG C,
The mixed time is 5-10min, and calcium base is then added into stirred tank again and water-soluble cracking resistance rubber powder is mixed, when mixing
Temperature be 40-50 DEG C, the mixed time is 20-30min, and revolving speed when mixing is 800-1200r/min;
C. after the completion of step b, then good fortune tap fiber and anti-blushing agent is added into mixture and is mixed, temperature when mixing is
35-45 DEG C, the mixed time is 15-25min, and revolving speed when mixing is 1100-1500r/min, is finally carried out to mixture
It is dry, it is milled using ball mill, weighing pack;
It d. is finished product after metering packing, can dispatch from the factory after 15~30d of finished room ageing placement makes after the completion of step c
With.
6. a kind of gypsum putty based on desulfurization gypsum powder according to claim 1, it is characterised in that: the calcium base is to live
One or more of property carclazyte, natural bleaching soil and organobentonite.
7. a kind of gypsum putty based on desulfurization gypsum powder according to claim 1, it is characterised in that: the anti-blushing agent is
One of sodium dihydrogen phosphate, tricalcium phosphate, ten phosphate dihydrate trisodiums, calcium chloride, silica, anhydrous calcium chloride additives or
It is several.
8. a kind of gypsum putty based on desulfurization gypsum powder according to claim 1, it is characterised in that: the good fortune tap fiber
It is mixed for polypropylene fibre and aramid fiber according to mass ratio 3: 1.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115557770A (en) * | 2022-10-22 | 2023-01-03 | 江苏元丰新型建材科技有限公司 | Light plastering gypsum capable of eliminating formaldehyde and releasing negative oxygen ions and preparation method thereof |
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