CN111380342A - Drying treatment method for concrete additive - Google Patents
Drying treatment method for concrete additive Download PDFInfo
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- CN111380342A CN111380342A CN202010190909.3A CN202010190909A CN111380342A CN 111380342 A CN111380342 A CN 111380342A CN 202010190909 A CN202010190909 A CN 202010190909A CN 111380342 A CN111380342 A CN 111380342A
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- 238000001035 drying Methods 0.000 title claims abstract description 141
- 239000000654 additive Substances 0.000 title claims abstract description 88
- 230000000996 additive effect Effects 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 239000013590 bulk material Substances 0.000 claims description 46
- 230000008569 process Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000002274 desiccant Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000013019 agitation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a concrete additive drying treatment method, in particular to a concrete additive drying treatment device which comprises a base, a drying tank arranged on the base, a drying liner arranged in the drying tank, a feeding ring group arranged in the drying tank and a drying and stirring mechanism arranged on the drying tank, wherein the feeding ring group is arranged on the drying tank; the device involved in the treatment method provided by the invention can create a better drying environment, control and realize intermittent feeding, realize a small amount of drying mode for multiple times of scientification, fully utilize the drying process in a drying feeding path, and avoid the problems of low efficiency and high energy consumption caused by directly stacking and drying the additive.
Description
Technical Field
The invention relates to the technical field of building material processing, and particularly provides a drying treatment method for a concrete additive.
Background
The concrete additive is a chemical substance which is mixed in the process of stirring concrete, accounts for less than 5% of the mass of cement and can obviously improve the performance of the concrete. The concrete additive has the characteristics of multiple varieties, small mixing amount, great influence on the performance of concrete, low investment, quick response and obvious technical and economic benefits. With the continuous progress of scientific technology, additives are increasingly used, and the additives become 5 important components of concrete besides 4 basic components.
After concrete additive production preparation is accomplished, in order to facilitate long-term storage and transportation, inefficacy or influence result of use when avoiding using, generally need carry out drying process to it in the preparation production process of additive, current in drying process, the dry mode of adoption is various, but all ubiquitous certain problem needs improvement, for example the additive of throwing in every time is many for it is low in efficiency, the energy consumption is high at whole dry in-process, in addition because the reason of drying mode and the drying time and the drying effect of the in-process of the dry feeding of additive of not make full use of.
Based on the problems, the invention provides a drying treatment method for a concrete additive.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for drying a concrete additive, and the treatment method provided by the present invention further relates to a device for drying a concrete additive, which can solve the problems mentioned in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a concrete additive drying treatment method specifically comprises the following steps:
s1, preheating the tank body: before the drying treatment, the drying tank is preheated by introducing dry air into a space between the drying inner container and the drying tank from the bottom of the drying inner container, so that the drying tank reaches a certain temperature capable of performing the drying treatment;
s2, adding additives: putting the additive to be dried into a feed hopper;
s3, stirring and drying: the drying and stirring mechanism drives the feeding ring group to rotate along with the rotation, so that the additive put into the feeding hopper in the step S2 intermittently enters the inner space of the drying liner, and the drying and stirring mechanism is used for dispersing and stirring the drying agent in the process that the additive enters from the feeding ring group;
s4, discharging: discharging the dried additive in the step S3 to enable the dried additive to be cleaned out of the drying tank;
the concrete additive drying treatment method adopting the steps S1-S4 is further adopted to carry out drying treatment on the concrete additive, and the concrete additive drying treatment device concretely comprises a base, a drying tank arranged on the base, a drying inner container arranged in the drying tank, a feeding ring group arranged in the drying tank and a drying stirring mechanism arranged on the drying tank; wherein:
the drying tank comprises a tank body fixedly mounted on the base and a top cover fixedly mounted at the top end of the tank body, the drying inner container comprises a cylinder shell part, a funnel part and a hot air cover, the cylinder shell part is positioned in the tank body, a gap for circulation of drying hot air is reserved between the cylinder shell part and the tank body, an air outlet ring with air holes uniformly distributed is arranged at the top end of the cylinder shell part, the air outlet ring is fixedly connected with the inner wall of the tank body, the funnel part is fixedly connected to the bottom end of the cylinder shell part, the hot air cover is fixedly mounted at the bottom end of the base, a discharge pipe for discharging drying additives is arranged in the center of the bottom end of the funnel part, the discharge pipe penetrates out of the center of the hot air cover, and the hot air cover and the hot air pipe are in sealing connection;
a feed inlet is formed in the side wall position, close to the top end, of the tank body, a feed hopper is arranged on the outer side wall of the tank body, which is located at the feed inlet position, the feed ring group is rotatably connected with the inner wall of the tank body, and an additive put in the feed hopper can enter the feed ring group from the feed inlet;
the drying and stirring mechanism comprises a stirring motor, a rotating shaft, a bulk material hopper, a bulk material mechanism, a bulk material rod group and a stirring slurry, wherein the stirring motor is fixedly arranged at the center of the top end of the top cover, the rotating shaft is fixedly connected with an output shaft of the stirring motor, the bulk material hopper, the bulk material mechanism, the bulk material rod group and the stirring slurry are all positioned in the drying inner container, the bulk material hopper is fixedly arranged on the rotating shaft, a primary separating ring and a secondary separating ring which are vertical to the inner wall of the bulk material hopper are arranged on the inner wall of the bulk material hopper, the radius of the primary separating ring is larger than that of the secondary separating ring, staggered gaps are formed in the primary separating ring and the secondary separating ring, the bulk material mechanism comprises a fixed disk, a bulk material motor fixedly arranged on the fixed disk and a bulk material dispenser fixedly connected to the output shaft of the bulk material motor, and the bottom, the central shaft of the output shaft of the bulk motor coincides with the central shaft of the rotating shaft, three petal bulk material plates which are opposite to each other and distributed in an annular array mode are arranged on the bulk material device, two sections of smooth transitions are arranged on the petal bulk material plates, the first section of smooth transition at the upper position on each petal bulk material plate is in a convex shape, the second section of smooth transition at the lower position on each petal bulk material plate is in a concave shape, the bulk material rod group is fixedly installed on the fixed disc, the stirring slurry is fixedly connected to the bottom end of the bulk material rod group, and the central shaft of the stirring slurry coincides with the central shaft of the rotating shaft.
Preferably, be equipped with rotatory guide ring on the inner wall of the jar body, rotatory guide ring is located the feed inlet with go out between the gas ring, feeding ring group includes that one-level ring portion integrated into one piece is in the one-level does not trade the second grade ring portion of bottom, be equipped with on the one-level ring portion can correspond to the feeding breach of feed inlet, be equipped with on the one-level ring portion and follow the guide slide that feeding breach department was drawn forth, evenly embedded round ball, the round on the lateral wall of second grade ring portion the ball with rotatory guide ring rolling contact.
Preferably, three bending rods are distributed on the bulk cargo rod group opposite to the rotary shaft annular array, and two sides of each bending rod are provided with a row of loosening needles.
Preferably, the stirring paddle is uniformly provided with three scraper blades, and the scraper blades can rotate along with the rotating shaft along with the inner wall of the funnel part.
Preferably, the top cover is provided with three heat dissipation mesh windows, and the three heat dissipation mesh windows are uniformly distributed around the stirring motor.
Preferably, the bottom of the hot air hood is uniformly provided with four vent pipes communicated with the bottom of the hot air hood relative to the center of the hot air hood.
The technical scheme has the following advantages or beneficial effects:
the invention provides a concrete additive drying treatment method, which relates to a concrete additive drying treatment device, in the device, a mode of introducing dry hot air into a gap between a drying inner container and a tank body is adopted for heating, so that a drying environment with higher uniformity and stability can be created, drying treatment is facilitated, an arranged feeding ring group can intermittently control feeding of additives in a rotating process, a small quantity of feeding modes for multiple times can be realized, the additives fed in batches can be fully, effectively and quickly dried, an arranged drying and stirring mechanism can realize stirring of the additives, a dispersing hopper and a dispersing mechanism arranged in the mechanism can improve the time of the additives in a falling path, primary drying is realized in the path, the defect of accumulation and drying is avoided, and the dispersing rod group can promote the additives to be fully loosened, in conclusion, the device involved in the treatment method provided by the invention can create a better drying environment, control and realize intermittent feeding, realize a small amount of multiple scientific drying modes, fully utilize the drying process in a drying feeding path, and avoid the problems of low efficiency and high energy consumption caused by directly stacking additive drying.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a flow chart of a method for drying a concrete additive according to the present invention;
FIG. 2 is a schematic perspective view of a concrete additive drying device according to the present invention;
FIG. 3 is a schematic diagram of a half-sectional structure of a concrete additive drying device provided by the present invention;
FIG. 4 is a schematic view showing an assembled structure of a base, a can body, a drying inner container and a drying agitation mechanism not equipped with an agitation motor;
FIG. 5 is a schematic view of the assembly structure of the base, the tank and the drying liner;
FIG. 6 is an enlarged partial schematic view at A of FIG. 5;
FIG. 7 is a schematic view of the assembled structure of the can body and the dry liner with the hot gas hood removed;
FIG. 8 is a schematic view of the assembled configuration of the dry agitation mechanism and the feed ring set without the agitator motor at one of the viewing angles;
fig. 9 is a schematic view of an assembled structure of a dry agitation mechanism and a feed ring set, without an agitation motor, from another perspective.
In the figure: 1. a base; 2. a drying tank; 21. a tank body; 211. rotating the guide ring; 212. a feed inlet; 213. a feed hopper; 22. a top cover; 221. a heat dissipation mesh window; 3. drying the inner container; 31. a cartridge portion; 311. an air outlet ring; 32. a funnel part; 321. a discharge pipe; 33. a hot gas hood; 331. a breather pipe; 4. a feed ring set; 41. a primary ring part; 411. a feed gap; 412. a material guiding sliding plate; 42. a secondary ring part; 421. a ball bearing; 5. a drying and stirring mechanism; 51. a stirring motor; 52. a rotating shaft; 53. a bulk hopper; 531. a primary separating ring; 532. a secondary spacer ring; 54. a bulk material mechanism; 541. fixing the disc; 542. a bulk motor; 543. a material scattering device; 5431. a petal bulk material plate; 55. a bulk rod group; 551. bending the rod; 5511. loosening the needle; 56. agitating the slurry; 561. scraper blade type blade.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
Referring to fig. 1-9, a method for drying a concrete additive, the method comprising the steps of:
s1, preheating the tank body 21: before the drying treatment, the drying tank 2 is preheated by introducing drying air into the space between the drying inner container 3 and the drying tank 2 from the bottom of the drying inner container 3, so that the drying tank can reach a certain temperature for drying treatment;
s2, adding additives: putting the additive to be dried into a feed hopper 213;
s3, stirring and drying: the drying and stirring mechanism 5 drives the feeding ring group 4 to rotate, so that the additive put into the feeding hopper 213 in the step S2 intermittently enters the inner space of the drying liner 3, and the drying and stirring mechanism 5 performs bulk scattering and stirring on the drying agent in the process that the additive enters from the feeding ring group 4;
s4, discharging: discharging the additive dried in the step S3, so that the dried additive is cleaned from the drying tank 2;
the concrete additive drying treatment method adopting the steps S1-S4 is adopted to dry the concrete additive, and the concrete additive drying treatment device concretely comprises a base 1, a drying tank 2 welded and installed on the base 1, a drying liner 3 arranged in the drying tank 2, a feeding ring group 4 arranged in the drying tank 2 and a drying and stirring mechanism 5 arranged on the drying tank 2; wherein:
the drying tank 2 comprises a tank body 21 fixedly installed on the base 1 in a welding manner and a top cover 22 fixedly installed at the top end of the tank body 21 through bolts, the drying liner 3 comprises a cylinder shell part 31, a funnel part 32 and a hot air cover 33, the cylinder shell part 31 is positioned in the tank body 21, a gap for dry hot air circulation is reserved between the cylinder shell part 31 (the cylinder shell part 31 can be made of aluminum materials with good heat conductivity) and the tank body 21, an air outlet ring 311 with air holes uniformly distributed is arranged at the top end of the cylinder shell part 31 (the introduced dry hot air can circulate along the gap, the cylinder shell part 31 and the funnel part 32 are continuously heated and are emitted from the air holes of the air outlet ring 311, the emitted dry hot air flow is beneficial to driving air carrying water vapor to be rapidly discharged in the process of ascending circulation, the air outlet ring 311 is fixedly connected with the inner wall of the tank body 21 in a welding manner, the funnel part 32 is fixedly connected at the bottom, the hot air hood 33 is fixedly installed at the bottom end of the base 1 through bolts (in principle, the sealing of the installation position of the hot air hood 33 and the base 1 should be ensured), a discharge pipe 321 for discharging the dry additives is arranged at the center of the bottom end of the funnel part 32 (the position of the discharge pipe 321 can be provided with a control valve such as a butterfly valve, etc.), the discharge pipe 321 penetrates out from the center of the hot air hood 33, and the hot air hood 33 and the hot air pipe are kept in sealing connection;
when the preheating operation of the tank 21 in step S1 is performed, the hot air is introduced into the hot air hood 33 through the four air pipes 331 connected to the external pipes 331, and the hot air is circulated upward along the passage gaps, during the circulation of the hot air, the drum shell 31 and the funnel 32 are gradually heated to a temperature substantially equal to that of the hot air, and the uniformity and stability of the temperature can be maintained, so that a stable drying environment for the additive can be provided after the preheating operation is completed, which is beneficial to the rapid drying of the additive.
A feed inlet 212 is arranged on the side wall of the tank body 21 close to the top end, a feed hopper 213 is arranged on the outer side wall of the tank body 21 at the position of the feed inlet 212, the feed ring group 4 is rotatably connected with the inner wall of the tank body 21, and the additive put in the feed hopper 213 can enter the feed ring group 4 from the feed inlet 212; after the additive feeding operation of step S2 is performed, the additive to be dried is temporarily fed and stored in the feeding hopper 213, and the additive to be dried is intermittently fed into the feeding hopper 213 continuously as the drying of the feeding material proceeds.
The drying and stirring mechanism 5 comprises a stirring motor 51, a rotating shaft 52, a bulk material bucket 53, a bulk material mechanism 54, a bulk material rod group 55 and stirring slurry 56, wherein the stirring motor 51 is fixedly arranged at the center of the top end of the top cover 22 through bolts, the rotating shaft 52 is fixedly connected with an output shaft of the stirring motor 51, the bulk material bucket 53, the bulk material mechanism 54, the bulk material rod group 55 and the stirring slurry 56 are all positioned in the drying inner container 3, the bulk material bucket 53 is fixedly arranged on the rotating shaft 52 through bolts, a primary separating ring 531 and a secondary separating ring 532 (shown in figure 7) which are vertical relative to the inner wall of the bulk material bucket 53 are arranged on the inner wall of the bulk material bucket 53, the radius of the primary separating ring 531 is larger than that of the secondary separating ring 532, the primary separating ring 531 and the secondary separating ring 532 are provided with staggered gaps, the bulk material mechanism 54 comprises a fixed disc 541, a bulk material, the bottom of bulk cargo motor 542 and the bottom fixed connection of rotation axis 52, and the center pin of the output shaft of bulk cargo motor 542 and the center pin coincidence of rotation axis 52, be equipped with three petal bulk cargo board 5431 that the annular array of bulk cargo motor 542 output shaft distributes relatively on the balk cargo ware 543, be equipped with two sections rounding off on the petal bulk cargo board 5431, the first section rounding off that lies in top position department on the petal bulk cargo board 5431 is protruding form, the second section rounding off that lies in below position department on the petal bulk cargo board 5431 is interior concave form, bulk cargo pole group 55 fixed mounting is on fixed disk 541, stir thick liquid 56 fixed connection in the bottom of bulk cargo pole group 55, and stir the center pin coincidence of thick liquid 56 and rotation axis 52.
In the process of performing the agitation drying operation of step S3, after the agitation motor 51 is started, the feeding ring set 4 will rotate along the rotary guide ring 211 along with the rotating shaft 52, and along with the rotation process, when the feeding gap 411 and the feeding gap 212 are overlapped, the additive will slide down along the material guide sliding plate 412 from the feeding gap 212 through the feeding gap 411, and when the feeding gap 212 is located at a non-overlapped position, the feeding gap 212 will always be in a closed state, so that intermittent batch and fractional feeding is realized, so that the additive entering into the drying space can be dried quickly and effectively by adopting a drying mode of a small number of times, the additive sliding down from the material guide sliding plate 412 will further drop into the bulk material hopper 53, and along with the rotation of the bulk material hopper 53, the additive must pass through the gap of the primary separating ring 531 and the gap of the secondary separating ring 532 in sequence to detach the discrete material hopper 53, so as to prolong the time of the additive in the, the first wave drying can be performed, when the stirring motor 51 is started, the bulk material motor 542 is synchronously started, the bulk material motor 542 drives the bulk material device 543 to rotate, the rotation direction of the bulk material device 543 is opposite to the rotation direction of the rotation shaft 52, the additives falling from the bulk material hopper 53 fall on the petal bulk material plate 5431 (the specific falling position is related to the rotation speed of the stirring motor 51), a part of the additives slide down along the petal bulk material plate 5431 to increase the time on the path, and the other part of the additives are scattered by the petal bulk material plate 5431 to be scattered.
Further, be equipped with rotatory guide ring 211 on the inner wall of jar body 21, rotatory guide ring 211 is located between feed inlet 212 and the gas outlet ring 311, feeding ring group 4 includes that one-level ring portion 41 integrated into one-level does not trade the second grade ring portion 42 of bottom, be equipped with on the one-level ring portion 41 and can be corresponding to the feeding breach 411 of feed inlet 212, be equipped with the guide slide 412 of drawing forth from feeding breach 411 on the one-level ring portion 41, evenly embedded round ball 421 that are equipped with on the lateral wall of second grade ring portion 42, round ball 421 and rotatory guide ring 211 rolling contact. The feeding ring group 4 is used for forming intermittent additive feeding control, so that a small-amount and multiple-time feeding mode is realized, and the drying effect is improved.
Furthermore, three bending rods 551 are distributed on the bulk material rod group 55 in an annular array relative to the rotating shaft 52, and a row of loosening needles 5511 is arranged on both sides of each bending rod 551. As the additive is continuously fed, a pile is formed in the drying space formed by the cylinder shell part 31 and the funnel part 32, the bent rod 551 can stir the piled additive, and the loosening needle 5511 can loosen the additive along with the stirring process, so that the additive is sufficiently loosened to facilitate quick drying.
Further, three scraper blades 561 are uniformly provided on the agitating paddle 56, and the scraper blades can rotate along the rotating shaft 52 against the inner wall of the funnel part 32. The scraper blade 561 provides agitation on the one hand and scrapes off additive accumulated in the funnel 32 on the other hand.
Further, three heat-radiating mesh windows 221 are installed on the top cover 22, and the three heat-radiating mesh windows 221 are uniformly distributed around the agitator motor 51. The hot air will entrain moisture out of the louvres 221.
Further, the bottom of the hot air hood 33 is uniformly provided with four air pipes 331 communicating therewith with respect to the center thereof. The vent pipe 331 may be externally connected to a pipeline to introduce the dry hot air.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (6)
1. A drying treatment method of concrete additives is characterized in that: the processing method specifically comprises the following steps:
s1, preheating the tank body (21): before the drying treatment, the drying tank (2) is preheated by introducing drying air into the space between the drying inner container (3) and the drying tank (2) from the bottom of the drying inner container (3) so as to reach a certain temperature capable of performing the drying treatment;
s2, adding additives: putting the additive to be dried into a feed hopper (213);
s3, stirring and drying: the drying and stirring mechanism (5) drives the feeding ring group (4) to rotate, so that the additive put into the feeding hopper (213) in the step S2 intermittently enters the inner space of the drying inner container (3), and the drying and stirring mechanism (5) is used for dispersing and stirring the drying agent in the process that the additive enters from the feeding ring group (4);
s4, discharging: discharging the dried additive in the step S3 to enable the dried additive to be cleaned out of the drying tank (2);
the concrete additive drying treatment method adopting the steps S1-S4 further concretely relates to a concrete additive drying treatment device in the process of drying the concrete additive, which concretely comprises a base (1), a drying tank (2) arranged on the base (1), a drying liner (3) arranged in the drying tank (2), a feeding ring group (4) arranged in the drying tank (2) and a drying and stirring mechanism (5) arranged on the drying tank (2); wherein:
the drying tank (2) comprises a tank body (21) fixedly mounted on the base (1) and a top cover (22) fixedly mounted at the top end of the tank body (21), the drying liner (3) comprises a shell part (31), a funnel part (32) and a hot air cover (33), the shell part (31) is positioned in the tank body (21), a gap for dry hot air circulation is reserved between the shell part (31) and the tank body (21), an air outlet ring (311) with air holes uniformly distributed is arranged at the top end of the shell part (31), the air outlet ring (311) is fixedly connected with the inner wall of the tank body (21), the funnel part (32) is fixedly connected with the bottom end of the shell part (31), the hot air cover (33) is fixedly mounted at the bottom end of the base (1), a discharge pipe (321) for discharging dry additives is arranged at the center of the bottom end of the funnel part (32), the discharge pipe (321) penetrates out of the center of the hot air hood (33), and the hot air hood (33) is in sealed connection with the hot air pipe;
a feed inlet (212) is formed in the side wall of the tank body (21) close to the top end, a feed hopper (213) is formed in the outer side wall of the tank body (21) at the position of the feed inlet (212), the feed ring group (4) is rotatably connected with the inner wall of the tank body (21), and an additive put in the feed hopper (213) can enter the feed ring group (4) from the feed inlet (212);
the drying and stirring mechanism (5) comprises a stirring motor (51), a rotating shaft (52), a dispersing hopper (53), a dispersing mechanism (54), a dispersing rod group (55) and a stirring slurry (56), wherein the stirring motor (51) is fixedly arranged at the center of the top end of the top cover (22), the rotating shaft (52) is fixedly connected with an output shaft of the stirring motor (51), the dispersing hopper (53), the dispersing mechanism (54), the dispersing rod group (55) and the stirring slurry (56) are all positioned in the drying liner (3), the dispersing hopper (53) is fixedly arranged on the rotating shaft (52), a primary separating ring (531) and a secondary separating ring (532) which are vertical to the inner wall of the dispersing hopper (53) are arranged on the inner wall of the dispersing hopper (53), the radius of the primary separating ring (531) is larger than that of the secondary separating ring (532), staggered gaps are formed in the primary separating ring (531) and the secondary separating ring (532), bulk cargo mechanism (54) include fixed disk (541), fixed mounting bulk cargo motor (542) on fixed disk (541) and fixed connection in bulk cargo ware (543) on bulk cargo motor (542) output shaft, the bottom of bulk cargo motor (542) with the bottom fixed connection of rotation axis (52), just the center pin of bulk cargo motor's (542) output shaft with the center pin coincidence of rotation axis (52), be equipped with three relatively on bulk cargo ware (543) petal bulk cargo board (5431) that bulk cargo motor (542) output shaft ring array distributes, be equipped with two sections rounding off on petal bulk cargo board (5431), the first section rounding off that lies in top position department on petal bulk cargo board (5431) is protruding form, the second section rounding off that lies in bottom position department on petal bulk cargo board (5431) is interior concavity, bulk cargo pole group (55) fixed mounting be in on fixed disk (541), the stirring paddle (56) is fixedly connected to the bottom end of the bulk material rod group (55), and the central axis of the stirring paddle (56) is coincident with the central axis of the rotating shaft (52).
2. The method for drying a concrete additive according to claim 1, wherein: be equipped with rotation guide ring (211) on the inner wall of the jar body (21), rotation guide ring (211) are located feed inlet (212) with go out between gas ring (311), feeding ring group (4) include one-level ring portion (41) integrated into one piece be in the one-level does not trade second grade ring portion (42) of bottom, be equipped with on one-level ring portion (41) can correspond to feeding breach (411) of feed inlet (212), be equipped with on one-level ring portion (41) and follow guide slide (412) that feeding breach (411) department was drawn forth, even embedded round ball (421), the round on the lateral wall of second grade ring portion (42) ball (421) with rotation guide ring (211) rolling contact.
3. The method for drying a concrete additive according to claim 1, wherein: three bending rods (551) are distributed on the bulk material rod group (55) in an annular array relative to the rotating shaft (52), and two sides of each bending rod (551) are respectively provided with a row of loosening needles (5511).
4. The method for drying a concrete additive according to claim 1, wherein: three scraper blades (561) are uniformly arranged on the stirring paddle (56), and can rotate along with the rotating shaft (52) along with the inner wall of the funnel part (32).
5. The method for drying a concrete additive according to claim 1, wherein: the top cover (22) is provided with three heat dissipation mesh windows (221), and the three heat dissipation mesh windows (221) are uniformly distributed around the stirring motor (51).
6. The method for drying a concrete additive according to claim 1, wherein: the bottom of the hot air cover (33) is evenly provided with four vent pipes (331) communicated with the bottom of the hot air cover relative to the center of the hot air cover.
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Effective date of registration: 20210922 Address after: 230001 east side of Wuli North Road, economic development zone, Lujiang County, Hefei City, Anhui Province Applicant after: ANHUI PROVINCE MINGDA ADDITIVE Ltd. Address before: 310016 No.5, No.2 street, Xiasha Higher Education Park, Jianggan District, Hangzhou City, Zhejiang Province (Zhejiang University of Technology) Applicant before: Sheng Yaming |
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