CN113368635A - Environment-friendly degradable dust suppressant and preparation method and preparation device thereof - Google Patents
Environment-friendly degradable dust suppressant and preparation method and preparation device thereof Download PDFInfo
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- CN113368635A CN113368635A CN202110654268.7A CN202110654268A CN113368635A CN 113368635 A CN113368635 A CN 113368635A CN 202110654268 A CN202110654268 A CN 202110654268A CN 113368635 A CN113368635 A CN 113368635A
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- 239000000428 dust Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title abstract description 19
- 241000196324 Embryophyta Species 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 16
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 16
- 239000010902 straw Substances 0.000 claims abstract description 15
- 229920002472 Starch Polymers 0.000 claims abstract description 13
- 239000008107 starch Substances 0.000 claims abstract description 13
- 235000019698 starch Nutrition 0.000 claims abstract description 13
- 230000001629 suppression Effects 0.000 claims abstract description 13
- 240000007594 Oryza sativa Species 0.000 claims abstract description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 6
- 235000009566 rice Nutrition 0.000 claims abstract description 6
- 229920000742 Cotton Polymers 0.000 claims abstract description 3
- 241000209140 Triticum Species 0.000 claims abstract description 3
- 235000021307 Triticum Nutrition 0.000 claims abstract description 3
- 240000008042 Zea mays Species 0.000 claims abstract description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 3
- 235000005822 corn Nutrition 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 37
- 230000001681 protective effect Effects 0.000 claims description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 235000019439 ethyl acetate Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 235000019864 coconut oil Nutrition 0.000 claims description 2
- 239000003240 coconut oil Substances 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 229940043237 diethanolamine Drugs 0.000 claims description 2
- 238000005886 esterification reaction Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 229940071160 cocoate Drugs 0.000 claims 2
- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 claims 1
- 230000032050 esterification Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 244000082204 Phyllostachys viridis Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an environment-friendly degradable dust suppressant, a preparation method and a preparation device thereof, and relates to the technical field of dust suppressants. The environment-friendly degradable dust suppressant comprises 3-4.5 parts of plant fiber, 1.5-2 parts of coconut diethanolamide, 5-7 parts of esterified starch and 100-150 parts of water, the preparation process is simple, the plant fiber used as the preparation raw material is crop straw such as rice hulls, rice straws, wheat straws, corn straws, cotton straws, sawdust and bamboo dust, the environment-friendly degradable dust suppressant is safe and environment-friendly, waste resources are developed and reused, the preparation cost is effectively reduced, secondary pollution to the environment is also prevented, and the dust suppression effect is better.
Description
Technical Field
The invention relates to the technical field of dust suppressants, in particular to an environment-friendly degradable dust suppressant, and a preparation method and a preparation device thereof.
Background
The ecological high-efficiency dust suppressant is formed by combining novel multifunctional high-molecular polymers, cross-linking molecules in the polymers form a net structure, various ion groups are arranged among the molecules, and the polymer has high charge density, generates strong affinity with ions, can quickly capture and firmly adsorb particle dust through coagulation, bonding and other actions, and can be solidified to form a film on the surface of the dust after being dried, so that the ecological high-efficiency dust suppressant has strong dust suppression and dust prevention effects. However, most of the existing dust depressants are not environment-friendly, most of the dust depressants cannot be degraded, secondary pollution to the environment is easily caused, the production cost is high, and the production process is complex.
Disclosure of Invention
In order to solve the technical problems, the invention provides an environment-friendly degradable dust suppressant, a preparation method and a preparation device thereof.
In order to realize the technical purpose, the product adopts the following scheme: the environment-friendly degradable dust suppressant consists of the following substances in parts by weight:
3-4.5 parts of plant fiber;
1.5-2 parts of coconut diethanolamide;
5-7 parts of acetate starch;
100-150 parts of water.
Furthermore, the plant fiber is plant fiber powder of 1000-1600 meshes, which is prepared by crushing crop straws through a crusher. The crop straw comprises one or more of rice hull, rice straw, wheat straw, corn straw, cotton stalk and wood dust.
Further, cocoanut oil diethanolamide is prepared by esterification reaction of coconut oil and methanol to generate cocoanut oil ester, and the cocoanut oil ester and diethanol amine react for 2 hours at 4 ℃, and the reaction equation is as follows:
the environment-friendly degradable dust suppressant provided by the invention has the advantages of simple raw material components, low cost, degradability and good dust suppression effect.
In order to realize the technical purpose, the device adopts the following scheme: the stirring machine comprises a protective box, a heating plate, a rotating assembly, a cover plate assembly and a first stirring rod, wherein the rotating assembly is arranged in the protective box, and the cover plate assembly is arranged at the upper end of the protective box; the rotary assembly comprises a rotary motor, a disc, a cross splicing block, a mixing drum, a cross splicing groove, an annular chute, an annular slide block, a first splicing groove, a fixed block and a first splicing rod, the rotary motor is fixed on the inner wall of the lower end of the protective box, the disc is fixedly sleeved on the output shaft end of the rotary motor, the cross splicing block is fixed at the center of the upper end face of the disc, the mixing drum is arranged on the upper end face of the disc, the cross splicing groove is formed in the outer wall of the lower end of the mixing drum, and the cross splicing block is inserted into the cross splicing groove; an annular sliding chute is arranged on the inner wall of the upper part of the protective box, an annular sliding block is arranged in the annular sliding chute, a first inserting groove is distributed on the end face of the annular sliding block exposed outside the annular sliding chute, a first inserting rod is distributed on the outer wall of the upper part of the mixing drum, and the first inserting rod is inserted in the first inserting groove; a heating plate is arranged on the inner wall of the protection box below the annular sliding chute; the cover plate assembly comprises a sealing cover, an annular convex block, a fixing groove, an annular groove, a fixing rod, a stirring shaft and a stirring blade, the annular groove is formed in the upper end ring surface of the protection box, the annular convex block is arranged on the lower end surface of the sealing cover, the annular convex block is inserted into the annular groove, the stirring shaft is fixed to the center of the lower end surface of the sealing cover, the stirring blade is arranged on the stirring shaft, and the inner wall of the stirring cylinder is provided with the first stirring rod.
Compared with the prior art, the device has the beneficial effects that: the device has simple structure and convenient operation, the arranged rotating assembly and the cover plate assembly generate two types of relatively reverse stirring, so that the raw materials are stirred more uniformly, and the stirring cylinder rotates to heat the raw materials uniformly; the mixing drum is convenient to disassemble and clean and maintain, the service life of the mixer is effectively prolonged, and the popularization value is high.
Preferably, the bottom of the annular groove is fixedly distributed with fixing rods; the lower terminal surface of annular lug distributes and has the fixed slot, and the dead lever cartridge is in the fixed slot.
In order to realize the technical purpose, the method adopts the following scheme: the preparation method of the environment-friendly degradable dust suppressant comprises the following steps:
step one, sequentially adding 3-4.5 parts of plant fiber, 1.5-2 parts of coconut diethanolamide, 5-7 parts of acetic ester starch and 50-70 parts of water into the stirrer, fully stirring for 10-15 min at the rotating speed of 800-860 r/min at the temperature of 37-55 ℃, and uniformly mixing to obtain a thick dust suppression liquid;
and step two, adding the rest water into the dust suppression liquid obtained in the step one, and fully stirring for 15-25 min at the rotating speed of 500-600 r/min at the temperature of 45-60 ℃ to obtain the dust suppression agent.
Compared with the prior art, the method has the beneficial effects that: the invention has simple preparation flow and higher qualification rate of prepared products, and the used raw materials are degradable waste crop straws, thereby realizing the reutilization of resources and preventing secondary pollution to the environment.
Drawings
FIG. 1 is a front perspective view of the mixing provided by the present invention;
FIG. 2 is a top cut-away perspective view of the agitation provided by the present invention;
FIG. 3 is a front cut-away view of the agitation provided by the present invention;
FIG. 4 is a partial enlarged view of area A in FIG. 3;
labeled as: 1. a protective box; 2. heating plates; 3. a rotating assembly; 4. a cover plate assembly; 5. a first stirring rod; 31. a rotating electric machine; 32. a disc; 33. a cross-shaped plugging block; 34. a mixing drum; 35. a cross-shaped plugging groove; 36. an annular chute; 37. an annular slider; 38. a first insertion groove; 39. a fixed block; 310. a first plug-in rod; 41. a sealing cover; 42. an annular projection; 43. fixing grooves; 44. an annular groove; 45. fixing the rod; 46. a stirring shaft; 47. stirring the leaves.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
Referring to fig. 1 to 4, the stirring machine provided by the present invention comprises a protection box 1, a heating plate 2, a rotating assembly 3, a cover plate assembly 4 and a first stirring rod 5, wherein the rotating assembly 3 is arranged on the inner wall of the bottom end of the protection box 1, and the cover plate assembly 4 is arranged on the outer wall of the top end of the protection box 1. The rotating assembly 3 comprises a rotating motor 31, a disc 32, a cross plug block 33, a mixing drum 34, a cross plug groove 35, an annular sliding groove 36, an annular sliding block 37, a first plug groove 38, a fixing block 39 and a first plug rod 310, the rotating motor 31 is fixedly installed on the inner wall of the bottom end of the protection box 1, the disc 32 is fixedly sleeved on one end of an output shaft of the rotating motor 31, the cross plug block 33 is welded on the outer wall of the upper end of the disc 32, and the mixing drum 34 is installed on the outer wall of the upper end of the disc 32. A cross-shaped insertion groove 35 is formed in the outer wall of the lower end of the mixing drum 34 corresponding to the cross-shaped insertion block 33, and the outer wall of the cross-shaped insertion block 33 is attached to the inner wall of the cross-shaped insertion groove 35. An annular sliding groove 36 is formed in the middle of the inner wall of the protective box 1, a rotatable annular sliding block 37 is placed in the annular sliding groove 36, the annular sliding block 37 is located on the outer upper end face of the annular sliding groove 36 and provided with a vertical first inserting groove 38, the stirring barrel 34 is located on the outer side wall above the annular sliding block 37 and is welded with a fixed block 39 in a distributed mode, a vertical first inserting rod 310 corresponding to the first inserting groove 38 is welded on the lower end face of the fixed block 39, and the free end of the first inserting rod 310 is inserted into the first inserting groove 38. The heating plates 2 are symmetrically fixed on the inner wall of the protective box 1 below the annular chute 36. Preferably, the protective box 1 is formed by welding an upper box body and a lower box body, a seam between the upper box body and the lower box body is positioned in the annular sliding groove 36, the annular sliding block 37 is placed in the annular sliding groove 36, and then the upper box body is covered on the lower box body for welding, so that the annular sliding block 37 is placed.
The cover plate assembly 4 is composed of a sealing cover 41, an annular convex block 42, a fixing groove 43, an annular groove 44, a fixing rod 45, a stirring shaft 46 and a stirring blade 47, the annular groove 44 is formed in the annular surface of the upper end of the protection box 1, the fixing rod 45 is distributed and welded on the groove bottom of the annular groove 44, and the sealing cover 41 is pressed on the upper end of the protection box 1. The lower end face of the sealing cover 41 is welded with an annular projection 42 corresponding to the annular groove 44, and the outer wall of the annular projection 42 is attached to the inner wall of the annular groove 44. The lower end surface of the annular protrusion 42 is provided with a fixing groove 43 corresponding to the fixing rod 45, and the upper end of the fixing rod 45 is inserted into the fixing groove 43. The central welding of the lower terminal surface of sealed lid 41 has (mixing) shaft 46, and the welding of the lower part of (mixing) shaft 46 has the horizontal stirring leaf 47 of symmetry setting, and the welding of the inner wall of churn 34 has the first puddler 5 of the horizontal of symmetry setting, and first puddler 5 and stirring leaf 47 are the interval setting in vertical direction.
When the mixer is in use, put into churn 34 the raw materials, put into protection box 1 churn 34, make cross plug block 33 align and insert in cross inserting groove 35, make first spliced pole 310 insert in first inserting groove 38, carry out spacing fixed to churn 34, then cover sealed lid 41, annular lug 42 inserts annular groove 44, makes fixed slot 43 peg graft with dead lever 45, carries out sealed fixed to churn 34. Finally start rotating electrical machines 31, rotating electrical machines 31 drives the disc 32 rotatory to it is rotatory to drive cross plug block 33, cross plug block 33 and the cooperation of cross inserting groove 35, it is rotatory to drive churn 34, it is rotatory to drive first puddler 5, first puddler 5 cooperates with immovable (mixing) shaft 46 and stirring leaf 47, stir the raw materials in the churn 34, start hot plate 2 according to the demand, carry out the even heating to the raw materials of churn 34 inside.
Example 1:
an environment-friendly degradable dust suppressant comprises plant fibers, coconut diethanolamide, esterified starch and water, and the weight parts of the components are as follows: 3 parts of plant fiber, 1.7 parts of coconut diethanolamide, 5 parts of acetate starch and 120 parts of water.
The preparation method comprises the following steps: step one, raw material selection: 3 parts of plant fiber, 1.7 parts of coconut diethanolamide, 5 parts of acetate starch and 120 parts of water. Step two, preparing a dust suppression liquid: 3 parts of plant fiber, 1.7 parts of coconut diethanolamide, 5 parts of acetic ester starch and 50 parts of water in the raw materials are sequentially added into a stirrer to be stirred and mixed, the mixture is fully stirred for 10-15 min at the rotating speed of 800-860 r/min at the temperature of 37-55 ℃, and the thick dust suppression liquid is obtained after uniform mixing. And step three, continuously adding the remaining 70 parts of water, and fully stirring at the rotating speed of 500-600 r/min at the temperature of 45-60 ℃ for 15-25 min to obtain the dust suppressant.
Example 2:
an environment-friendly degradable dust suppressant comprises plant fibers, coconut diethanolamide, esterified starch and water, and the weight parts of the components are as follows: 4 parts of plant fiber, 2 parts of coconut diethanolamide, 7 parts of acetate starch and 150 parts of water.
The preparation method comprises the following steps: step one, raw material selection: 4 parts of plant fiber, 2 parts of coconut diethanolamide, 7 parts of acetate starch and 150 parts of water. Step two, preparing a dust suppression liquid: 4 parts of plant fiber, 2 parts of coconut diethanolamide, 7 parts of acetic ester starch and 70 parts of water in the raw materials are sequentially added into a stirrer to be stirred and mixed, the mixture is fully stirred for 10-15 min at the rotating speed of 800-860 r/min at the temperature of 37-55 ℃, and the thick dust suppression liquid is obtained after uniform mixing. And step three, continuously adding the remaining 80 parts of water, and fully stirring for 15-25 min at the rotating speed of 500-600 r/min at the temperature of 45-60 ℃ to prepare the dust suppressant.
Comparative example:
calcium chloride is purchased by oneself and is directly mixed with water to be used as a dust suppressant for spraying.
The qualification rate of the dust suppressant is measured by spraying the same unit volume of dust suppressant (examples and comparative examples) and calculating the dust concentration reduction ratio within 1 minute.
And (3) adsorption detection: the dust concentration in the area was measured after spraying the dust suppressant (examples and comparative examples) in a fixed range.
And (3) detecting environmental protection: and (4) determining the content of heavy metals in the three dust suppressants and pollutants in degraded products.
And (3) detecting the dust resistance: and detecting the wind erosion rate and the retention time of the accumulation body.
The detection results are shown in table 1:
| dust suppressant yield/%) | Wind erosion Rate/% | Thickness of cured layer/mm | Retention time/day | Environmental protection property/%) | Adsorption/mg. m-3 | |
| Example one | 95 | 0.36 | 18 | 130 | 1.53 | 0.50 |
| Example two | 94 | 0.4 | 20 | 140 | 2.09 | 0.47 |
| Comparative example | 70 | 1.57 | 6 | 80 | 46.28 | 1.23 |
The data comparison shows that the qualification rate and the dust resistance of the dust suppressant prepared by the invention are obviously higher than those of the comparative example, the plant fiber required by the preparation is environment-friendly, degradable and renewable crop straw, the preparation cost is lower, secondary pollution to the environment is avoided, the environment-friendly performance is better than that of the market, and the dust suppressant has better dust resistance and adsorbability than that of the comparative example and less environmental pollution.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (7)
1. The environment-friendly degradable dust suppressant is characterized by comprising the following substances in parts by weight:
3-4.5 parts of plant fiber;
1.5-2 parts of coconut diethanolamide;
5-7 parts of acetate starch;
100-150 parts of water.
2. The environment-friendly degradable dust suppressant according to claim 1, wherein the plant fiber is plant fiber powder of 1000-1600 meshes prepared by crushing crop straw stalks with a crusher.
3. The environment-friendly degradable dust suppressant according to claim 2, wherein the crop stalks comprise one or more of rice hulls, rice straws, wheat straws, corn stalks, cotton stalks and wood chips.
4. The environment-friendly degradable dust suppressant according to claim 1, wherein cocodiethanolamide is prepared by esterification of coconut oil with methanol to form cocoate, and cocoate is further reacted with diethanol amine.
5. A stirrer for preparing the environment-friendly degradable dust suppressant according to any one of claims 1 to 4, which comprises a protective box, a heating plate, a rotating component, a cover plate component and a first stirring rod, wherein the rotating component is arranged in the protective box, and the cover plate component is arranged at the upper end of the protective box;
the rotary assembly comprises a rotary motor, a disc, a cross splicing block, a mixing drum, a cross splicing groove, an annular chute, an annular slide block, a first splicing groove, a fixed block and a first splicing rod, the rotary motor is fixed on the inner wall of the lower end of the protective box, the disc is fixedly sleeved on the output shaft end of the rotary motor, the cross splicing block is fixed at the center of the upper end face of the disc, the mixing drum is arranged on the upper end face of the disc, the cross splicing groove is formed in the outer wall of the lower end of the mixing drum, and the cross splicing block is inserted into the cross splicing groove;
an annular sliding chute is arranged on the inner wall of the upper part of the protective box, an annular sliding block is arranged in the annular sliding chute, a first inserting groove is distributed on the end face of the annular sliding block exposed outside the annular sliding chute, a first inserting rod is distributed on the outer wall of the upper part of the mixing drum, and the first inserting rod is inserted in the first inserting groove; a heating plate is arranged on the inner wall of the protection box below the annular sliding chute;
the cover plate assembly comprises a sealing cover, an annular convex block, a fixing groove, an annular groove, a fixing rod, a stirring shaft and a stirring blade, the annular groove is formed in the upper end ring surface of the protection box, the annular convex block is arranged on the lower end surface of the sealing cover, the annular convex block is inserted into the annular groove, the stirring shaft is fixed to the center of the lower end surface of the sealing cover, the stirring blade is arranged on the stirring shaft, and the inner wall of the stirring cylinder is provided with the first stirring rod.
6. The mixer of claim 5 wherein the bottom of the annular groove has fixed bars; the lower terminal surface of annular lug distributes and has the fixed slot, and the dead lever cartridge is in the fixed slot.
7. A method for preparing the environment-friendly degradable dust suppressant according to any one of claims 1 to 4, which is characterized by comprising the following steps:
step one, sequentially adding 3-4.5 parts of plant fiber, 1.5-2 parts of coconut diethanolamide, 5-7 parts of acetic ester starch and 50-70 parts of water into a stirrer of claim 5 or claim 6, fully stirring for 10-15 min at the rotating speed of 800-860 r/min at the temperature of 37-55 ℃, and uniformly mixing to obtain a thick dust suppression liquid;
and step two, adding the rest water into the dust suppression liquid obtained in the step one, and fully stirring for 15-25 min at the rotating speed of 500-600 r/min at the temperature of 45-60 ℃ to obtain the dust suppression agent.
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| CN202110654268.7A CN113368635A (en) | 2021-06-11 | 2021-06-11 | Environment-friendly degradable dust suppressant and preparation method and preparation device thereof |
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| CN202110654268.7A CN113368635A (en) | 2021-06-11 | 2021-06-11 | Environment-friendly degradable dust suppressant and preparation method and preparation device thereof |
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2021
- 2021-06-11 CN CN202110654268.7A patent/CN113368635A/en active Pending
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Application publication date: 20210910 |