CN213433015U

CN213433015U - Drying device for preparing polycarboxylate superplasticizer

Info

Publication number: CN213433015U
Application number: CN202021508672.0U
Authority: CN
Inventors: 梁佳宇; 阮煜翔; 石礼钰
Original assignee: Zhejiang Huixiang New Material Technology Co Ltd
Current assignee: Zhejiang Huixiang New Material Technology Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-06-15
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a drying device for preparing a polycarboxylate water reducer, which comprises a fixing frame, a hollow sphere arranged on the fixing frame, a rotating fixed shaft penetrating into the hollow sphere, a driving mechanism for driving the hollow sphere to rotate around the rotating fixed shaft, a feeding mechanism, a heating mechanism and a scraper blade for scraping a cavity wall dry product, wherein the hollow sphere comprises a main sphere cavity, an inlet and an outlet arranged on the main sphere cavity and a rotating sleeve, the feeding mechanism comprises an atomizer, a feeding pipe and a feeding hole, the rotating fixed shaft is provided with a plurality of scraper blades along the circumferential direction, the outer edges of the scraper blades are matched and attached to the inner wall of the main sphere cavity, and the scraper blades are provided with a plurality of through holes allowing the dry product to pass through, the corrosion of the water reducing agent to the device is avoided, so that the economic and environmental protection performance of the drying device is improved.

Description

Drying device for preparing polycarboxylate superplasticizer

Technical Field

The utility model belongs to the technical field of the water-reducing agent preparation facilities, especially, relate to a drying device that preparation polycarboxylate water-reducing agent used.

Background

The polycarboxylate superplasticizer is a high-performance water reducing agent, is a cement dispersing agent in cement concrete application, is widely applied to various building engineering, is green, environment-friendly, non-flammable and non-explosive, can be safely transported by trains and automobiles, and has low mixing amount and high water reducing rate; the polycarboxylic acid water reducing agent has good compatibility with cement, and the prepared concrete has small shrinkage. Because the liquid polycarboxylic acid water reducing agent is inconvenient to transport, the polycarboxylic acid water reducing agent is usually prepared into powder after drying treatment.

However, during the preparation process, the powdery dry product is often bonded on the inner wall of the device and cannot fall down, powder remains in the device, the collection amount of the dry finished product is seriously influenced, waste is generated, the powder can corrode the device, the service life is influenced, and the maintenance cost of the device is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a can reduce the drying device that preparation polycarboxylate water reducing agent used that water-reducing agent powder remained, used economic environmental protection.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a drying device for preparing a polycarboxylate superplasticizer comprises a fixing frame, a hollow sphere arranged on the fixing frame, a rotating fixed shaft penetrating into the hollow sphere, a driving mechanism for driving the hollow sphere to rotate around the rotating fixed shaft, a feeding mechanism for inputting a raw material of the polycarboxylate superplasticizer, a heating mechanism arranged in the hollow sphere and a powder scraping thin plate for scraping a cavity wall drying product, wherein an exhaust pipe is arranged at the top of the fixing frame, and a discharge hole is arranged at the bottom of the fixing frame; the hollow sphere comprises a main sphere cavity, an inlet and an outlet arranged on the main sphere cavity and rotary sleeves arranged at two ends of the main sphere cavity, the main sphere cavity is respectively communicated with the exhaust pipe and the discharge hole through the inlet and the outlet, and the rotary sleeves are rotatably connected to the rotary fixed shaft; the feeding mechanism comprises an atomizer for atomizing a liquid water reducing agent, a feeding pipe arranged in the rotary fixed shaft and a feeding hole circumferentially arranged on the rotary fixed shaft, and the feeding pipe is communicated with the main ball cavity through the feeding hole; the rotary fixed shaft is provided with a plurality of powder scraping thin plates along the circumferential direction, the outer edges of the powder scraping thin plates are matched and tightly attached to the inner wall of the main ball cavity, and the powder scraping thin plates are provided with a plurality of material passing holes allowing dry products to pass through.

The utility model discloses a setting of scraping powder sheet metal and pivoted hollow spheroid can be through hollow spheroid's rotation, make the dry product fall on main ball cavity inner wall evenly, avoid the dry product all to pile up the piece and be difficult to take out in the bottom, scrape the powder that can't fall through scraping the powder sheet metal and will adhere to on hollow spheroid inner wall simultaneously, make the powder finally discharge along the discharge opening, thereby reduce water-reducing agent powder and remain, increase the dry yield of water-reducing agent, avoid water-reducing agent to remain and produce the corruption to the device, thereby improve the economic environmental protection nature of this drying device; when the driving mechanism drives the hollow sphere, the hollow sphere rotates around the rotating fixed shaft, the water reducing agent atomized by the atomizer enters the main sphere cavity through the feeding pipe, is treated by the heating mechanism and is dried into a dry product, and the dry product is uniformly attached to the inner wall section by section along with the rotation of the main sphere cavity and is not easy to concentrate and accumulate at one position of the main sphere cavity to accumulate into a powder block; meanwhile, when the inner wall of the main ball cavity moves relative to the powder scraping thin plate, the inner wall of the main ball cavity and the powder scraping thin plate generate friction, the powder scraping thin plate shakes to shake dry products on the powder scraping thin plate and scrape the dry products on the inner wall, the powder can fall to the bottom of the main ball cavity through the material outlet, and then along with the rotation of the hollow ball body, when an inlet and an outlet on the hollow ball body are in butt joint with the material outlet, the dry products can be directly discharged from the material outlet.

Furthermore, a plurality of conical bosses used for scattering caking products are arranged on the powder scraping thin plate, and the conical bosses are arranged along the opposite direction of the rotation of the hollow sphere.

The utility model discloses a setting of toper boss rotates along with hollow sphere, and when scraping the dry result contact of powder sheet metal and blocking, the powder piece that looses can be inserted to the toper boss, makes the dry result can pass through the through-feed hole, falls main ball chamber bottom, finally discharges through the discharge opening.

Further, be equipped with in the exit and be used for controlling the dry product and pass through the subassembly that ends, it is including locating to lead to the subassembly fixed plate on the hollow sphere, be used for the upset to open the returning face plate that allows the passageway that the dry product passes through and be used for control the returning face plate winds fixed plate pivoted axis of rotation, but the terminal surface joint that the axis of rotation was kept away from to the returning face plate in on the pore wall of exit, all be equipped with the exhaust filtration pore that can hinder the dry product to pass through on fixed plate and the returning face plate.

The utility model can limit the dried product from directly falling into the gap between the fixing frame and the hollow sphere through the inlet and the outlet by arranging the through-stop component, and influence the hollow sphere to rotate along the fixing frame; meanwhile, through the arrangement of the exhaust filter holes, the dry products are prevented from being discharged together when the waste gas is discharged; when the hollow sphere rotates to the inlet and the outlet to be communicated with the discharge hole, the turnover plate can turn downwards around the fixed plate, and the inlet and the outlet are opened to allow a dried product to be discharged; then the hollow ball body continues to rotate, the wall of the feeding hole on the fixing frame can extrude the turnover plate, so that the turnover plate rotates towards the center of the hollow ball body around the fixing plate, and finally the turnover plate is rotatably clamped on the wall of the inlet and the outlet, so that the inlet and the outlet are blocked, and the dried product is prevented from floating; meanwhile, when the hollow sphere rotates to the exhaust hole to be opposite to the inlet and the outlet, the waste gas is exhausted while the dry product is retained in the main sphere cavity due to the limitation of the exhaust filter hole.

Furthermore, the go-stop assembly further comprises a folding cover plate arranged on the rotating shaft in a covering mode, one end of the folding cover plate is fixedly connected to the fixing plate, and the other end of the folding cover plate is fixedly connected to the turnover plate.

The utility model discloses a setting of folding apron can hinder dry product to get into the turning clearance of fixed plate and returning face plate, guarantees the validity of mechanism, avoids leading to and ends the subassembly and became invalid, makes dry product spill from importing and exporting.

Furthermore, be equipped with the stirring subassembly that is used for stirring dry product in the discharge opening, the stirring subassembly includes the (mixing) shaft, locates the epaxial puddler of stirring and be used for driving the agitator motor of (mixing) shaft.

The utility model discloses a setting of stirring subassembly, the dry result of discharge hole department can turn, breaks up dry result, avoids dry result to pile up the agglomeration so that to the whereabouts difficulty, influences the discharge velocity of dry result, and the puddler also can produce decurrent upset direction simultaneously, makes dry result discharge sooner.

Furthermore, the outer wall of the motor is abutted to the outer wall of the fixing frame.

The utility model discloses a motor and mount butt because the motor rotates can produce the vibration, can drive the mount vibration, and the vibration of mount slaps the hollow spheroid outer wall to make the inner wall and scrape the dry product on the powder sheet metal and change the whereabouts.

Furthermore, the heating mechanism comprises a heating ball arranged in the main ball cavity, an electric heating resistance wire and a wire, wherein the electric heating resistance wire and the wire are arranged in the heating ball, the heating ball is filled with heat conducting liquid, the rotating fixed shaft is arranged in the heating ball in a penetrating mode, a liquid inlet cavity and a liquid through hole used for communicating the liquid inlet cavity with the heating ball are formed in the rotating fixed shaft, the wire is arranged in the side wall of the rotating fixed shaft, and the electric heating resistance wire is spirally wound on the rotating fixed shaft and is immersed in the heat conducting liquid.

The utility model can heat the water reducing agent uniformly by the arrangement of the heating mechanism, thereby avoiding the drying quality from being influenced by nonuniform heating; the electric heating resistance wires heat the heat conducting liquid through conducting the power supply through the conducting wires, and the heat of the heat conducting liquid is uniformly distributed in the main ball cavity through the conduction of the heating ball wall, so that the water reducing agent is dried into powder.

Furthermore, a heat conducting rod connected with the electric heating resistance wire is arranged in the powder scraping thin plate.

The utility model discloses a scrape the setting of the heat conduction pole in the powder sheet metal, the heat conduction that can the heat conduction pole makes and scrapes the powder sheet metal and is close with heating ball temperature, avoids the difference in temperature to influence the quality of dry result, simultaneously, scrapes the powder sheet metal and also can heat vaporific water-reducing agent, increase heating area to accelerate dry efficiency.

To sum up, the utility model has the advantages of it is following: the utility model can make the dry product fall into the main ball cavity evenly through the rotation of the hollow sphere by the arrangement of the powder scraping thin plate and the rotating hollow sphere, and avoid the dry product from piling up and blocking the bottom to be difficult to take out; meanwhile, powder which is bonded on the inner wall of the hollow sphere and cannot fall down is scraped off through the powder scraping sheet, so that the powder can be discharged along the discharge hole finally, the residue of the water reducing agent powder is reduced, the yield of the water reducing agent drying is increased, the corrosion of the water reducing agent residue on the device is avoided, and the economic and environmental protection performance of the drying device is improved; the utility model avoids the dry product from blocking to influence the discharge through the arrangement of the conical boss and the arrangement of the stirring component, reduces the corrosion of the dry product to the device, and ensures the yield; through the setting of heating mechanism, make the heating even, guarantee the quality of dry product.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a front sectional view of the present invention.

Detailed Description

As shown in the figure, a drying device that preparation polycarboxylate water reducing agent used, includes mount 1, hollow spheroid 2, rotatory dead axle 3, actuating mechanism, feed mechanism, heating mechanism and scrapes the powder sheet metal, hollow spheroid 2 is located on mount 1, rotatory dead axle 3 wears to locate in the hollow spheroid 2.

Further, the driving mechanism comprises a driving motor, a driving bevel gear and a driven bevel gear, the driving motor is a commonly used motor, the driving bevel gear is fixedly connected to a motor shaft, the driven bevel gear is fixedly connected to the hollow sphere 2, and the driving motor can drive the driving bevel gear and drive the hollow sphere 2 to rotate around the rotating fixed shaft 3 through the transmission action of the gears; the top of the fixing frame 1 is provided with an exhaust pipe 11, the bottom of the fixing frame is provided with a discharge hole 12, the hollow sphere 2 comprises a main sphere cavity 21, an inlet and an outlet 22 and a rotary sleeve 23, the rotary sleeve 23 is fixedly connected to two ends of the main sphere cavity 21 and is rotatably connected to the rotary fixed shaft 3, the main sphere cavity 21 is uniformly provided with a plurality of inlets and outlets 22 around the circumference of the rotary sleeve 23, the inlets and outlets 22 can be respectively communicated with the exhaust pipe 11 and the discharge hole 12 through the rotation of the hollow sphere 2,

furthermore, a through-stop assembly is arranged in the inlet/outlet 22, the through-stop assembly comprises a fixed plate 41, a turning plate 42, a rotating shaft 43 and a folding cover plate 44, the fixed plate 41 is fixedly connected to the main ball cavity 21, the turning plate 42 is rotatably connected to the fixed plate 41 through the rotating shaft 43, and when the turning plate 42 is turned to a position parallel to the fixed plate 41, the end surface of the turning plate, which is far away from the rotating shaft 43, can be clamped on the hole wall of the inlet/outlet 22; the folding cover plate 44 is covered on the rotating shaft, two ends of the folding cover plate 44 are respectively and fixedly connected to the fixing plate 41 and the turnover plate 42, and the folding cover plate 44 can prevent the powdery product from being clamped into a rotating gap of the rotating shaft 43, so that the normal movement of the mechanism is ensured; the fixed plate 41 and the turnover plate 42 are both provided with exhaust filtering holes 45, and the exhaust filtering holes 45 can prevent the powdery products from flying out.

Further, a stirring assembly for stirring the dried product is arranged in the discharge hole 12, the stirring assembly comprises a stirring shaft 51, a stirring rod 52 arranged on the stirring shaft 51 and a stirring motor 53 for driving the stirring shaft 51, and the outer wall of the motor is abutted to the outer wall of the fixing frame 1.

Specifically, the heating mechanism comprises a heating ball 61, an electric resistance wire 62 and a wire, the heating ball 61 is fixedly connected to the rotating fixed shaft 3, the rotating fixed shaft 3 is filled with heat conducting liquid, the rotating fixed shaft 3 is arranged in the heating ball 61 in a penetrating manner, a liquid inlet cavity 31 and a liquid through hole 32 are formed in the rotating fixed shaft 3, the liquid through hole 32 is circumferentially arranged on the rotating fixed shaft 3, and the heat conducting liquid can enter the heating ball 61 through the liquid inlet cavity 31 and the liquid through hole 32; the lead is arranged in the side wall of the rotating fixed shaft 3, and the electric heating resistance wire 62 is spirally wound on the rotating fixed shaft 3 and is immersed in the heat-conducting liquid.

Furthermore, four powder scraping thin plates are arranged along the circumferential direction of the rotating fixed shaft 3, the outer edges of the powder scraping thin plates are closely fitted with the inner wall of the main ball cavity 21, a plurality of material through holes 72 and conical bosses 73 are arranged on the powder scraping thin plates, the material through holes 72 can allow dried products to pass through, and the conical bosses 73 are arranged along the opposite direction of the rotation of the hollow ball body 2; the powder scraping thin plate is embedded with a heat conducting rod, and the heat conducting rod is connected with the heat conducting liquid.

Further, feed mechanism includes atomizer 33, inlet pipe 34 and feed port 35, inlet pipe 34 is located in the rotatory dead axle 3, feed port 35 follows 3 circumference of rotatory dead axle are equipped with a plurality of feed ports 35, atomizer 33 can atomize liquid water-reducing agent, and the warp pass through the input of feed port 35 behind the inlet pipe 34 in the main ball chamber 21.

The specific implementation process comprises the following steps:

the electric heating resistance wires 62 are electrified to heat the heat conduction liquid, the heat conduction liquid enables the surface temperature of the heating ball 61 to be raised and uniformly distributed, and meanwhile, the powder scraping thin plate is heated through the heat conduction rod to keep the temperature of the powder scraping thin plate close to that of the heating ball 61; the hollow sphere 2 rotates around the rotating fixed shaft 3 under the driving of the driving system; the liquid water reducing agent stock solution is atomized by the atomizer 33 and then is input into the main ball cavity 21 through the feed pipe 34, and is heated at high temperature and dried into powder; with the rotation of the hollow sphere 2, the dried product can be uniformly attached to the inner wall of the main sphere cavity 21 and the powder scraping sheet section by section, and is not easy to accumulate into blocks; meanwhile, the powder scraping sheet is in contact with the inner wall of the main ball cavity 21, can scrape the dried product on the inner wall, and shakes the dried product down to the bottom of the main ball cavity 21 through friction vibration with the main ball cavity 21; when the hollow sphere 2 rotates to the position where the inlet/outlet 22 is opposite to the discharge hole 12, the turnover plate 42 is turned over relative to the fixed plate 41, the inlet/outlet 22 is opened, and the dried product can flow out of the discharge hole 12 through the inlet/outlet 22; when the hollow sphere 2 rotates to the position where the inlet/outlet 22 is opposite to the exhaust hole, the exhaust gas generated by drying is exhausted through the exhaust hole; meanwhile, the stirring motor 53 drives the stirring rod 52, so that the dry product in the discharge hole 12 can be turned over, the dry product in the discharge hole 12 is scattered, the dry product is discharged more quickly, and the discharge speed of the dry product is increased.

Claims

1. The utility model provides a drying device that preparation polycarboxylate water reducing agent used, includes mount (1), locates hollow spheroid (2) on mount (1), wear to locate rotatory dead axle (3) in hollow spheroid (2), be used for the drive hollow spheroid (2) wind rotatory dead axle (3) pivoted actuating mechanism, the feed mechanism who is used for inputing the water reducing agent raw materials, locate heating mechanism in hollow spheroid (2) and be used for scraping the powder sheet metal of scraping of cavity wall drying product, its characterized in that: the top of the fixed frame (1) is provided with an exhaust pipe (11), and the bottom of the fixed frame is provided with a discharge hole (12); the hollow sphere (2) comprises a main sphere cavity (21), a plurality of inlets and outlets (22) arranged on the main sphere cavity (21) and rotary sleeves (23) arranged at two ends of the main sphere cavity (21), the main sphere cavity (21) is respectively communicated with the exhaust pipe (11) and the discharge hole (12) through the inlets and outlets (22), and the rotary sleeves (23) are rotatably connected to the rotary fixed shaft (3); the feeding mechanism comprises an atomizer (33) for atomizing a liquid water reducing agent, a feeding pipe (34) arranged in the rotary fixed shaft (3) and a feeding hole (35) circumferentially arranged on the rotary fixed shaft (3), and the feeding pipe (34) is communicated with the main ball cavity (21) through the feeding hole (35); be equipped with a plurality ofly along circumference on rotatory dead axle (3) scrape the powder sheet metal, the outer fringe of scraping the powder sheet metal with main ball chamber (21) inner wall cooperation is hugged closely, it is equipped with a plurality of through-put holes (72) that allow dry product to pass through on the powder sheet metal to scrape.

2. The drying device for preparing the polycarboxylate superplasticizer according to claim 1, is characterized in that: the powder scraping thin plate is provided with a plurality of conical bosses (73) used for crashing and dispersing the dried products of the lumps, and the conical bosses (73) are arranged along the opposite direction of the rotation of the hollow sphere (2).

3. The drying device for preparing the polycarboxylate superplasticizer according to claim 1, is characterized in that: be equipped with in exit (22) and be used for controlling the logical subassembly that ends that dry product passes through, lead to and end the subassembly including locating fixed plate (41) on hollow sphere (2), be used for opening flip plate (42) that allow the passageway that dry product passes through and be used for control flip plate (42) wind fixed plate (41) pivoted axis of rotation (43), but the terminal surface joint that axis of rotation (43) was kept away from in flip plate (42) in the pore wall of exit (22), all be equipped with on fixed plate (41) and flip plate (42) and hinder exhaust filtration pore (45) that dry product passes through.

4. The drying device for preparing the polycarboxylate superplasticizer according to claim 3, being characterized in that: the go-stop assembly further comprises a folding cover plate (44) covering the rotating shaft (43), one end of the folding cover plate (44) is fixedly connected to the fixing plate (41), and the other end of the folding cover plate (44) is fixedly connected to the turnover plate (42).

5. The drying device for preparing the polycarboxylate superplasticizer according to claim 1, is characterized in that: be equipped with the stirring subassembly that is used for stirring dry product in discharge opening (12), the stirring subassembly includes (mixing) shaft (51), locates puddler (52) on (mixing) shaft (51) and is used for the drive agitator motor (53) of (mixing) shaft (51).

6. The drying device for preparing the polycarboxylate superplasticizer according to claim 5, being characterized in that: the motor is abutted against the outer wall of the fixing frame (1).

7. The drying device for preparing the polycarboxylate superplasticizer according to claim 1, is characterized in that: the heating mechanism comprises a heating ball (61) arranged in a main ball cavity, and a resistance wire (62) and a wire which are arranged in the heating ball (61), wherein the heating ball (61) is filled with heat-conducting liquid, a rotating fixed shaft (3) is arranged in the heating ball (61) in a penetrating way, a liquid inlet cavity (31) and a liquid through hole (32) used for communicating the liquid inlet cavity (31) with the heating ball (61) are formed in the rotating fixed shaft (3), the wire is arranged in the side wall of the rotating fixed shaft (3), and the resistance wire (62) is spirally wound on the rotating fixed shaft (3) and is immersed in the heat-conducting liquid.

8. The drying device for preparing the polycarboxylate superplasticizer according to claim 7, is characterized in that: and a heat conducting rod connected with the electric heating resistance wire (62) is arranged in the powder scraping thin plate.