CN115414844B - Wetting dust suppressant and preparation method and application thereof - Google Patents
Wetting dust suppressant and preparation method and application thereof Download PDFInfo
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- CN115414844B CN115414844B CN202211147619.6A CN202211147619A CN115414844B CN 115414844 B CN115414844 B CN 115414844B CN 202211147619 A CN202211147619 A CN 202211147619A CN 115414844 B CN115414844 B CN 115414844B
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- 239000000428 dust Substances 0.000 title claims abstract description 27
- 238000009736 wetting Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 181
- 239000007788 liquid Substances 0.000 claims abstract description 86
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000008367 deionised water Substances 0.000 claims abstract description 29
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 29
- 230000000977 initiatory effect Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 21
- 208000028659 discharge Diseases 0.000 claims description 20
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 229920002401 polyacrylamide Polymers 0.000 description 19
- 239000000243 solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a wetting dust suppressant and a preparation method and application thereof, belonging to the technical field of inhibitor preparation, wherein the wetting dust suppressant comprises the following components: s1: injecting deionized water into the liquid supply bin above the base, respectively throwing SLS and NPS into the two primary proportioning bins, respectively throwing PAM and plasma water into the two secondary proportioning bins, and S2: the main mixing fan blade is switched with the linkage control component between the primary proportioning bin, so that the main mixing fan blade is linked with the primary proportioning bin; the preparation of the compound wetting type inhibitor by using the proportioning mixing of the inhibitor and the secondary mixing after the compounding is carried out, so that the primary mixing, the secondary compounding and the tertiary mixing are integrated, the primary proportioning feeding and the secondary proportioning feeding are switched for the second time through the main mixing fan blade of the main driving mixing, and meanwhile, the proportioning mixing of the compound liquid is realized by using the initiation period mixing, the automatic production is realized, the characteristic of small volume is satisfied, and the problem of cost improvement caused by site occupation is reduced.
Description
Technical Field
The invention relates to the technical field of inhibitor preparation, in particular to a wetting dust suppressant and a preparation method and application thereof.
Background
The wetting dust suppressant consists of one or more surfactants and inorganic salts, the effect of the suppressant can be further improved through a compounding mode, the surfactants play a role in wetting, the inorganic salts play a role in absorbing moisture, and as a plurality of substances exist in the wetting dust suppressant and need to react with other mixed substances for secondary reaction after the mutual reaction, the whole preparation process is complicated, the quantity of automatic manufacturing equipment is increased, the occupation of space is increased, the area of a factory building is increased, the renting of the factory building is increased, and the cost of the dust suppressant is increased.
Disclosure of Invention
The invention aims to provide a wetting dust suppressant, a preparation method and application thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a method for preparing a wetting dust suppressant, comprising:
s1: injecting deionized water into the liquid supply bin above the base, respectively putting SLS and NPS into the two primary proportioning bins, and respectively putting PAM and plasma water into the two secondary proportioning bins;
s2: the main mixing fan blade is switched with the linkage control component between the primary proportioning bin, so that the main mixing fan blade is linked with the primary proportioning bin;
s3: starting a water pump in the liquid supply bin to enable deionized water to be injected into the total mixing bin at a constant speed, driving the main mixing blades to rotate through a motor at the top of the total mixing bin, enabling the linkage control assembly to drive a primary discharge disc at the bottom ends of the two primary proportioning bins to rotate at different rotation speeds for discharging, and enabling SLS and NPS to be discharged into the total mixing bin to be mixed with the deionized water;
s31: closing the main mixing fan blade, enabling the liquid in the total mixing bin to stand still, recording the liquid level in the total mixing bin through the liquid level sensor, and transmitting data to a control system;
s32, continuously starting the main mixing fan blade, adjusting the temperature to 50 ℃ through the total mixing bin, and stirring and initiating the main mixing fan blade for 30min;
s4: acquiring liquid level data acquired by a liquid level sensor through a control system, starting a linkage control assembly between the secondary mixing blanking assembly and the proportioning mixing bin, enabling the secondary mixing liquid discharging disc and the secondary mixing blanking assembly to be separated from linkage, controlling two secondary discharging discs at the bottom end of the secondary proportioning bin to rotate at different rotating speeds through an external control system, throwing PAM and plasma water into the proportioning mixing bin, and enabling the main mixing fan blade to drive the auxiliary mixing fan blade to finish mixing of PAM mixed liquid in the proportioning mixing bin through the secondary mixing blanking assembly before the initiation period of S32 is ended;
s5: the linkage control assembly between the primary proportioning bin and the main mixing fan blade is switched, so that the linkage of the primary proportioning bin and the main mixing fan blade is invalid, the linkage control assembly between the secondary mixed liquid discharging disc and the secondary mixed discharging assembly is switched, the linkage between the secondary mixed liquid discharging disc and the secondary mixed discharging assembly is effective, at the moment, the main mixing fan blade continues to rotate, the secondary mixed discharging assembly drives the secondary mixed liquid discharging disc to rotate along with the fact that the secondary mixed discharging assembly drives the secondary mixed liquid discharging disc to rotate, the total mixing bin adjusts the temperature to be 80 ℃, the temperature is slowly added dropwise, the stirring reaction is carried out for 60min, the SLS-PAM mixed liquid is obtained, and the solid wetting dust suppressant is obtained through concentration and drying.
Wetting dust suppressant: in the deionized water mixed solution of SLS and NPS, the mass of SLS in every 100ML deionized water is 1 gram, the mass of NPS in every 100ML deionized water is 0.05 gram, the mass of FAM in every 100ML deionized water in the PAM mixed solution is 6 grams, and the deionized water ratio in the SLS mixed solution and the PAM mixed solution is 4:1.
as still further aspects of the invention: the linkage control assembly comprises a supporting frame, a bevel gear A and a toothed belt transmission disc, wherein the supporting frame provides support for a rotating disc and a driving motor, the driving motor provides power for the rotating disc, the rotating disc rotates on the bottom surface of the supporting frame, the extending frame is fixed on one side of the rotating disc to provide a rotation supporting point for the toothed belt transmission disc, and the toothed belt transmission disc is fixedly connected with the bevel gear A.
As still further aspects of the invention: the top diameter of the proportioning mixing bin is larger than the bottom diameter of the total mixing bin, the bottom pipeline axis of the proportioning mixing bin is located at one side of the top pipeline axis of the proportioning mixing bin, the secondary mixing discharging assembly comprises an extending shaft, a pinion and a secondary conical gear, the pinion and the secondary conical gear are fixedly connected to the extending shaft, the extending shaft penetrates through the bottom surface of the proportioning mixing bin and is fixedly connected with the secondary mixing fan blade, the pinion is connected with the main driving gear through a toothed belt transmission, the main driving gear is fixedly connected to the upper portion of the main mixing fan blade, the toothed belt transmission disc on the proportioning mixing bin is meshed with the secondary conical gear, the secondary mixing liquid discharging disc inside the proportioning mixing bin is fixedly connected with the discharging gear A, the discharging gear A rotates to the outside of the proportioning mixing bin, and the discharging gear A is connected with the toothed belt transmission disc through the toothed belt transmission.
As still further aspects of the invention: the outside of secondary ratio feed bin all rotates and is connected with unloading gear B, unloading gear B with inside the secondary feed tray fixed connection of secondary ratio feed bin, two between the unloading gear B pass through differential combination gear train A transmission and connect, one of them unloading gear B is fixed connection with external control motor output.
As still further aspects of the invention: one of them the outside rotation of proportioning bin once is connected with unloading gear C, another the outside rotation of proportioning bin once is connected with unloading gear D, unloading gear D with through differential combination gear train B transmission connection between the unloading gear C, extension board fixed connection is in one side of proportioning bin once, for differential combination gear train B provides the rotation fulcrum.
As still further aspects of the invention: the top of main mixed flabellum fixedly connected with main drive bevel gear, the primary ratio feed bin on the toothed belt driving disk with main drive bevel gear meshes mutually.
As a still further scheme of the invention, the preparation method of the wetting dust suppressant can be applied to preparation of various compound inhibitors.
Compared with the prior art, the invention has the beneficial effects that:
the device has the advantages that after the structure is simplified, primary mixing, secondary mixing and tertiary mixing are integrated, primary mixing blades for primary driving mixing are used for carrying out secondary switching on primary mixing throwing and secondary mixing throwing, meanwhile, mixing of mixed liquid in an initiation period is utilized for realizing mixing of the mixed liquid in the mixing mode, automatic production is realized, the small size is met, and the problem of cost improvement caused by site occupation is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an apparatus for a process for preparing a wet dust suppressant;
FIG. 2 is a schematic view of a device feed section of a method of preparing a wet dust suppressant;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is a schematic diagram showing the cooperation of the linkage control assembly and the secondary mixing and discharging assembly in a wet dust suppressant preparation method device;
FIG. 5 is an enlarged schematic view of portion A of FIG. 1;
in the figure: 1. a total mixing bin; 11. a liquid level sensor; 12. a primary mixing blade; 121. a main drive gear; 122. a main drive bevel gear; 2. proportioning and mixing the bins; 21. auxiliary mixing fan blades; 22. a secondary mixed liquid discharge tray; 23. a blanking gear A; 3. a secondary proportioning bin; 31. a secondary discharge tray; 32. a differential combination gear set A; 33. a blanking gear B; 4. a first proportioning bin; 41. a blanking gear C; 42. an extension plate; 43. a differential combination gear set B; 44. a blanking gear D; 45. a primary discharge tray; 5. a liquid supply bin; 6. a linkage control assembly; 61. a support frame; 611. a drive motor; 612. a rotating disc; 613. an extension frame; 62. a conical gear A; 63. a toothed belt drive disc; 7. a base; 8. a secondary mixing and blanking assembly; 81. a pinion gear; 82. a secondary bevel gear; 83. and (5) extending the shaft.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Please refer to fig. 1-5
S1: injecting deionized water into the liquid supply bin 5 above the base 7, respectively putting SLS and NPS into the two primary proportioning bins 4, and respectively putting PAM and plasma water into the two secondary proportioning bins 3;
the base 7 connects the liquid supply bin 5 and the total mixing bin 1 into a whole, a liquid feeding mechanism is arranged in the liquid supply bin 5, deionized water is pumped by a pump, and then liquid is fed into the total mixing bin 1 through the liquid supply bin 5, so that primary mixed liquid is obtained for mixing with subsequent SLS and NPS;
s2: the main mixing fan blade 12 and the primary proportioning bin 4 are linked by switching the linkage control assembly 6 between the main mixing fan blade 12 and the primary proportioning bin 4;
the linkage control assembly 6 comprises a support frame 61, a bevel gear A62 and a toothed belt transmission disc 63, wherein the support frame 61 provides support for a rotating disc 612 and a driving motor 611, the driving motor 611 provides power for the rotating disc 612, the rotating disc 612 rotates on the bottom surface of the support frame 61, an extension frame 613 is fixed on one side of the rotating disc 612 to provide a rotation support point for the toothed belt transmission disc 63, and the toothed belt transmission disc 63 is fixedly connected with the bevel gear A62;
s3: starting a water pump in the liquid supply bin 5 to enable deionized water to be injected into the total mixing bin 1 at a constant speed, driving the main mixing fan blades 12 to rotate through a motor at the top of the total mixing bin 1, enabling the linkage control assembly 6 to drive the primary discharge discs 45 at the bottom ends of the two primary proportioning bins 4 to rotate at different rotation speeds for discharging, and enabling SLS and NPS to be discharged into the total mixing bin 1 to be mixed with the deionized water;
one of the primary proportioning bins 4 is externally connected with a discharging gear C41 in a rotating way, the other primary proportioning bin 4 is externally connected with a discharging gear D44 in a rotating way, the discharging gear D44 is in transmission connection with the discharging gear C41 through a differential combination gear set B43, an extension plate 42 is fixedly connected to one side of the primary proportioning bin 4 to provide a rotating pivot for the differential combination gear set B43, the top of a main mixing fan blade 12 is fixedly connected with a main driving conical gear 122, and a toothed belt transmission disc 63 on the primary proportioning bin 4 is meshed with the main driving conical gear 122;
S2-S3 is the first liquid mixing stage, in this stage, because main mixing flabellum 12 needs to rotate under the drive of motor, make SLS and NPS can with deionized water homogeneous mixing, drive the rolling disc 612 to rotate through driving motor 611 on support frame 61 this moment, make extension frame 613 drive toothed belt drive disc 63 take place the rotation, at this moment, conical gear A62 and main drive conical gear 122 intermeshing, and then make main mixing flabellum 12 drive conical gear A62 and can take place the rotation, at this moment, drive blanking gear D44 through toothed belt drive disc 63 cooperation toothed belt rotation, and be linked through differential combination gear B43 between blanking gear D44 and the blanking gear C41, in order to provide the installation space for differential combination gear B43, therefore, the extension board 42 has been set up, differential combination gear B43 meshes with blanking gear C41 this moment, because differential combination gear B43 and blanking gear C41' S diameter are different, therefore realize blanking gear C41 and blanking gear D44 differential rotation, thereby control two proportion inside 4 feed bin 45 and the continuous addition of liquid, thereby, and the efficiency of adding in order to the continuous mixing is realized, and the continuous addition of liquid is realized at this time.
S31: closing the main mixing fan blades 12, enabling the liquid in the total mixing bin 1 to stand, recording the liquid level in the total mixing bin 1 through the liquid level sensor 11, and transmitting data to a control system;
because the liquid level in the total mixing bin 1 is not accurate under the condition that the main mixing fan blade 12 rotates, the liquid level at the edge of the total mixing bin 1 is increased, and the liquid level at the center is reduced, the main mixing fan blade 12 is adopted to stop, the liquid level is measured through the liquid level sensor 11, the liquid level is obtained, in order to enable the liquid level to be more real, a certain amount of water is injected into the total mixing bin 1, the difference between the actual liquid level of the water and the injection liquid level is observed, the difference is the liquid level error caused by the main mixing fan blade 12, the actual liquid level can be obtained through the actual liquid level interval difference liquid level at the moment, the ion water throwing amount can be calculated through the liquid level, and further the processor is used for fine adjustment of subsequent equipment.
S32, continuously starting the main mixing fan blade 12, regulating the temperature to 50 ℃ through the total mixing bin 1, and stirring and initiating for 30 minutes through the main mixing fan blade 12;
s4: acquiring liquid level data acquired by a liquid level sensor 11 through a control system, starting a linkage control assembly 6 between a secondary mixing blanking assembly 8 and a proportioning mixing bin 2, enabling a secondary mixed liquid discharge disc 22 and the secondary mixing blanking assembly 8 to be separated from linkage, controlling two secondary discharge discs 31 at the bottom end of a secondary proportioning bin 3 to rotate at different rotating speeds through an external control system, throwing PAM and plasma water into the proportioning mixing bin 2, and driving a secondary mixing fan blade 21 to finish mixing of PAM mixed liquid in the proportioning mixing bin 2 through the secondary mixing blanking assembly 8 by a main mixing fan blade 12 before the initiation period of S32 is ended;
the outside of the secondary proportioning bin 3 is rotationally connected with a discharging gear B33, the discharging gear B33 is fixedly connected with a secondary discharging disc 31 inside the secondary proportioning bin 3, the two discharging gears B33 are in transmission connection through a differential combination gear set A32, and one discharging gear B33 is fixedly connected with the output end of an external control motor;
in order to improve efficiency, in the process of initiating liquid in the total mixing bin 1, at this time, the conical gear A62 on the auxiliary conical gear 82 is lifted through the linkage control component 6, so that the conical gear A62 is meshed and separated with the auxiliary conical gear 82, at this time, the main driving gear 121 is meshed with the auxiliary gear 81 through a toothed belt, the auxiliary gear 81 can drive the extension shaft 83 to rotate, the auxiliary mixing fan blade 21 is fixedly connected with the auxiliary mixing fan blade 21 due to the fact that the auxiliary mixing fan blade 21 rotates at a high speed in the mixing bin 2, and the linkage control component 6 between the secondary mixing liquid discharge disc 22 and the secondary mixing blanking component 8 cannot realize linkage between the two, at this time, the secondary mixing liquid discharge disc 22 is in a closed state for the mixing bin 2, and after the liquid level sensor 11 acquires the liquid level, one of the blanking gears B33 can be driven to rotate through the control driving motor, at this time, the other blanking gear B33 is driven to rotate in a differential mode through the differential combination gear set A32, so that deionized water and PAM in the secondary mixing bin 3 are put into the mixing bin 2 according to a certain proportion with the mixing liquid in the total mixing bin 1, and the mixing bin 2 can be put into the mixing bin 21 for mixing liquid.
S5: switching the linkage control assembly 6 between the primary proportioning bin 4 and the main mixing fan blade 12 to enable the linkage between the primary proportioning bin 4 and the main mixing fan blade 12 to fail, switching the linkage control assembly 6 between the secondary mixed liquor discharge disc 22 and the secondary mixed blanking assembly 8 to enable the linkage between the secondary mixed liquor discharge disc 22 and the secondary mixed blanking assembly 8 to be effective, continuously rotating the main mixing fan blade 12 at the moment, driving the secondary mixed liquor discharge disc 22 to rotate along with the secondary mixed blanking assembly 8, regulating the temperature to 80 ℃ through the total mixing bin 1, slowly dripping, stirring and reacting for 60min to obtain SLS-PAM mixed liquor, and concentrating and drying to obtain the solid wetting dust suppressant;
the top diameter of the proportioning mixing bin 2 is larger than the bottom diameter of the total mixing bin 1, the bottom pipeline axis of the proportioning mixing bin 2 is positioned at one side of the top pipeline axis of the proportioning mixing bin 2, the secondary mixing blanking assembly 8 comprises an extension shaft 83, a pinion 81 and a pinion bevel gear 82 which are fixedly connected to the extension shaft 83, the extension shaft 83 passes through the bottom surface of the proportioning mixing bin 2 and is fixedly connected with the auxiliary mixing fan blade 21, the pinion 81 is in toothed belt transmission connection with the main driving gear 121, the main driving gear 121 is fixedly connected above the main mixing fan blade 12, a toothed belt transmission disc 63 positioned on the proportioning mixing bin 2 is meshed with the pinion bevel gear 82, a secondary mixing liquid discharge disc 22 inside the proportioning mixing bin 2 is fixedly connected with a blanking gear A23, the blanking gear A23 rotates outside the proportioning mixing bin 2, and the blanking gear A23 is in toothed belt transmission connection with the toothed belt transmission disc 63;
after the PAM liquid is mixed, the mixed liquid in the total mixing bin 1 is initiated for 30min to be ended, the linkage control assembly 6 is started at the moment, the rotating disc 612 is driven to rotate through the driving motor 611, the extension frame 613 drives the toothed belt driving disc 63 to rotate, the conical gear A62 is meshed with the auxiliary conical gear 82, at the moment, the main mixing fan blade 12 can drive the conical gear A62 to rotate through the auxiliary conical gear 82 when the liquid in the total mixing bin 1 is mixed, at the moment, the toothed belt driving disc 63 drives the blanking gear A23 to rotate, so that the secondary mixed liquid discharging disc 22 can slowly drop the PAM mixed liquid into the total mixing bin 1, mix the PAM mixed liquid through the main mixing fan blade 12, and stir the reaction at 80 ℃ for 60min to be ended.
The dust suppressant comprises the following components in percentage by weight: in the deionized water mixed solution of SLS and NPS, the mass of SLS in every 100ML deionized water is 1 gram, the mass of NPS in every 100ML deionized water is 0.05 gram, the mass of FAM in every 100ML deionized water in the PAM mixed solution is 6 grams, and the deionized water ratio in the SLS mixed solution and the PAM mixed solution is 4:1, SLS is sodium lignin sulfonate, PAM is polyacrylamide, NPS is sodium persulfate, SLS is prepared into slurry by adding water into calcium hydroxide, standing and precipitating after mechanical stirring for 30min at 95 ℃ in papermaking waste liquid, filtering the precipitate, washing with deionized water, adding sulfuric acid, stirring for 30min, filtering, removing impurities, adding calcium carbonate solution, stirring for 2h at 90 ℃ for standing and precipitating, removing precipitated impurities, drying to obtain SLS solid, and grafting the SLS to PAM to reduce the contact angle of the solution and improve the wetting effect.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. A preparation method of a wetting dust suppressant is characterized by comprising the following steps: an apparatus comprising preparing a wet dust suppressant, the apparatus comprising: the device comprises a total mixing bin (1), a liquid level sensor (11), a main mixing fan blade (12), a proportioning mixing bin (2), a secondary mixed liquid discharge disc (22), a secondary proportioning bin (3), a primary proportioning bin (4), a liquid supply bin (5), a linkage control assembly (6), a base (7) and a secondary mixing blanking assembly (8);
the preparation method comprises the following steps:
s1: injecting deionized water into the liquid supply bin (5) above the base (7), respectively putting SLS and NPS into the two primary proportioning bins (4), and respectively putting PAM and plasma water into the two secondary proportioning bins (3);
s2: the main mixing fan blade (12) and the primary proportioning bin (4) are linked by switching the linkage control assembly (6) between the main mixing fan blade (12) and the primary proportioning bin (4);
s3: starting a water pump in the liquid supply bin (5) to enable deionized water to be injected into the total mixing bin (1) at a constant speed, driving the main mixing fan blades (12) to rotate through a motor at the top of the total mixing bin (1), enabling the linkage control assembly (6) to drive a primary discharge disc (45) at the bottom ends of the primary proportioning bins (4) to rotate at different rotating speeds for discharging, and enabling SLS and NPS to be discharged into the total mixing bin (1) to be mixed with the deionized water;
s31: closing the main mixing fan blades (12), enabling the liquid in the total mixing bin (1) to stand, recording the liquid level in the total mixing bin (1) through the liquid level sensor (11), and transmitting data to a control system;
s32, continuously starting the main mixing fan blade (12), adjusting the temperature to 50 ℃ through the total mixing bin (1), and stirring and initiating for 30min through the main mixing fan blade (12);
s4: acquiring liquid level data acquired by a liquid level sensor (11) through a control system, starting a linkage control assembly (6) between a secondary mixing blanking assembly (8) and a proportioning mixing bin (2), enabling a secondary mixing liquid discharge disc (22) to be separated from linkage with the secondary mixing blanking assembly (8), controlling two secondary discharge discs (31) at the bottom end of the secondary proportioning bin (3) to rotate at different rotating speeds through an external control system, throwing PAM and plasma water into the proportioning mixing bin (2), and driving a secondary mixing fan blade (21) to finish mixing PAM mixed liquid in the proportioning mixing bin (2) through the secondary mixing blanking assembly (8) before the initiation period of S32 is ended;
s5: the method comprises the steps of switching a linkage control assembly (6) between a primary proportioning bin (4) and a main mixing fan blade (12), enabling the linkage of the primary proportioning bin (4) and the main mixing fan blade (12) to be invalid, switching a linkage control assembly (6) between a secondary mixed liquid discharge disc (22) and a secondary mixing blanking assembly (8), enabling linkage between the secondary mixed liquid discharge disc (22) and the secondary mixing blanking assembly (8) to be effective, enabling the main mixing fan blade (12) to continuously rotate at the moment, enabling the secondary mixed liquid discharge disc (22) to rotate along with the driving of the secondary mixing blanking assembly (8), adjusting the temperature to be 80 ℃ through the total mixing bin (1), slowly dripping, stirring and reacting for 60min, obtaining SLS-PAM mixed liquid, and concentrating and drying to obtain solid wet dust suppressant.
2. A wet dust suppressant according to claim 1, wherein: in the deionized water mixed solution of SLS and NPS, the mass of SLS in every 100ML deionized water is 1 gram, the mass of NPS in every 100ML deionized water is 0.05 gram, the mass of FAM in every 100ML deionized water in the PAM mixed solution is 6 grams, and the deionized water ratio in the SLS mixed solution and the PAM mixed solution is 4:1.
3. the method for preparing a wet dust suppressant according to claim 1, wherein: the coordinated control subassembly (6) is including support frame (61), conical gear A (62), toothed belt drive dish (63), support frame (61) are rolling disc (612), driving motor (611) provide support, driving motor (611) do rolling disc (612) provide power, rolling disc (612) rotate the bottom surface of support frame (61), extension frame (613) are fixed one side of rolling disc (612) is for toothed belt drive dish (63) provides rotation supporting point, toothed belt drive dish (63) with conical gear A (62) fixed connection.
4. A method of preparing a wet dust suppressant according to claim 3, wherein: the top diameter of the proportioning mixing bin (2) is larger than the bottom diameter of the total mixing bin (1), the bottom pipeline axis of the proportioning mixing bin (2) is located at one side of the top pipeline axis of the proportioning mixing bin (2), the secondary mixing blanking component (8) comprises an extension shaft (83) and a secondary gear (81) and a secondary bevel gear (82) which are fixedly connected to the extension shaft (83), the extension shaft (83) penetrates through the bottom surface of the proportioning mixing bin (2) and is fixedly connected with the secondary mixing fan blade (21), the secondary gear (81) is connected with a main driving gear (121) through a toothed belt, the main driving gear (121) is fixedly connected to the upper portion of the main mixing fan blade (12), the toothed belt driving disk (63) located on the proportioning mixing bin (2) is meshed with the secondary bevel gear (82), the secondary mixing liquid discharging disk (22) inside the proportioning mixing bin (2) is fixedly connected with a blanking gear A (23), and the blanking gear A (23) is rotatably connected with the toothed belt driving disk (23) through the toothed belt.
5. The method for preparing a wet dust suppressant according to claim 1, wherein: the outside of secondary ratio feed bin (3) all rotates and is connected with unloading gear B (33), unloading gear B (33) with inside secondary bin (31) fixed connection of secondary ratio feed bin (3), two between unloading gear B (33) are through differential combination gear train A (32) transmission connection, one of them unloading gear B (33) is with external control motor output fixed connection.
6. The method for preparing a wet dust suppressant according to claim 1, wherein: one of them the outside rotation of proportioning bin (4) once is connected with unloading gear C (41), and another the outside rotation of proportioning bin (4) once is connected with unloading gear D (44), unloading gear D (44) with connect through differential combination gear train B (43) transmission between unloading gear C (41), extension board (42) fixed connection is in one side of proportioning bin (4) once, for differential combination gear train B (43) provides the rotation fulcrum.
7. A method of preparing a wet dust suppressant according to claim 3, wherein: the top of main mixing flabellum (12) is fixedly connected with main drive bevel gear (122), toothed belt driving disk (63) on primary proportioning bin (4) with main drive bevel gear (122) meshes.
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| US9127195B1 (en) * | 2010-03-23 | 2015-09-08 | Fritz Industries, Inc. | Method of making a viscous aqueous liquid |
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