Coal water slurry additive drying machine

Abstract

The utility model relates to the technical field of coal water slurry additives, and provides a coal water slurry additive drying machine which comprises a tank body, a fixing plate is fixed on the outer side of the tank body, a rotating structure is fixed at the top end of the tank body, and a drying structure is installed at the bottom end of the fixing plate. The drying structure is arranged, the annular channel is matched with the first inclined spraying holes and the second inclined spraying holes, it is ensured that hot air is evenly distributed, the problem of local overheating or insufficient drying is solved, rapid drying is achieved through cooperative work of the air heater and the bottom heating plate, and then the working efficiency is improved; the inner wall of the tank body and the filter screen are cleaned through the scraper and the bristles, material accumulation is prevented, residues are reduced, and the utilization rate of raw materials is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal water slurry additive, especially to a coal water slurry additive drying machine. BACKGROUND

[0002] The coal water slurry additive is a chemical additive for improving the performance of the coal water slurry, and mainly functions to optimize the fluidity, stability, and combustion efficiency of the slurry, so as to meet the requirements of industrial applications. The coal water slurry additive drying machine is a device specially used for removing the water in the coal water slurry additive, and aims to improve the solid content, storage stability, and use efficiency of the additive, so that it is easier to transport, store, and accurately add. The patent with the publication number CN216169984U discloses an environmental protection type coal water slurry additive production full-automatic spray drying machine, which comprises a drying chamber. A first cleaning mechanism is symmetrically installed on the top of the drying chamber. A feeding pipe is installed through the bottom of the drying chamber. One end of the feeding pipe is connected with a collecting mechanism. The utility model cleans the inner wall of the drying chamber through the first cleaning mechanism, collects the produced environmental protection type coal water slurry additive through the collecting mechanism, provides gas through the first cleaning mechanism, and collects the gas through the collecting mechanism, so as to solve the problem that it is not convenient to discharge the material due to the negative pressure formed in the drying chamber when the induced draft fan is used to extract the powder.

[0003] The environmental protection type coal water slurry additive production full-automatic spray drying machine in the above has a low drying efficiency and a limited processing capacity, and it is not convenient to make the atomized particles fully contact with the hot air, thereby reducing the work efficiency. SUMMARY

[0004] The utility model discloses a coal water slurry additive drying machine, which solves the defect of insufficient drying of the existing coal water slurry additive drying machine.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a coal water slurry additive drying machine, which comprises a tank body.

[0006] A fixing plate is fixed to the outer side of the tank body. A rotating structure is fixed to the top end of the tank body. A drying structure is installed at the bottom end of the fixing plate.

[0007] The drying structure includes a hot air blower mounted on the top of a fixed plate, an air inlet pipe mounted on one side of the hot air blower, an annular channel inside the tank, a first oblique spray hole inside the annular channel, a second oblique spray hole on one side of the first oblique spray hole, a filter screen installed inside the tank at one end of the first and second oblique spray holes, a connecting rod at the top of the tank, a scraper fixed at one end of the connecting rod, a groove on the outside of the filter screen on one side of the scraper, bristles fixed on one side of the groove, a heating plate mounted at the bottom of the tank, and a pressure relief pipe fixed on one side of the top of the tank.

[0008] Preferably, each of the fixed plates has a support leg fixed at its bottom edge, a discharge pipe fixed at the bottom of the tank, a valve installed on the outside of the discharge pipe, a rotating structure including a motor fixed to the top of the tank, a rotating shaft fixed to the output end of the motor, a drive gear fixed to the outside of the rotating shaft, a driven gear installed on one side of the drive gear, a connecting pipe installed inside the tank, a first cavity inside the connecting pipe, a rotating disk fixed to the outside of the connecting pipe, a second cavity inside the rotating disk, an atomizing nozzle fixed to the bottom of the rotating disk, a material tank fixed to one side of the top of the fixed plate, a material suction pipe fixed to the top of the material tank, a material suction machine installed at one end of the material suction pipe at the top of the tank, a feeding pipe installed at the output end of the material suction machine, and a limit ring fixed to one end of the feeding pipe inside the first cavity.

[0009] Preferably, the driving gear and the driven gear are meshed, and the top end of the connecting pipe passes through the top end of the tank and is fixedly connected to the bottom end of the driven gear.

[0010] With the above structure, during use, the driving gear drives the driven gear to drive the connecting pipe and make the rotating disk rotate, so that the solution is thrown out from the inside of the rotating disk under the action of centrifugation, and the rotation of the connecting pipe drives the scraper to facilitate the cleaning of the inner wall of the tank.

[0011] Preferably, the rotating disks are evenly spaced on the outside of the connecting pipe inside the tank, the first cavity and the second cavity are connected, and the atomizing nozzles are evenly spaced at the bottom of the rotating disks.

[0012] With the above structure, during use, the solution is evenly sprayed into the tank through the atomizing nozzle and the rotation of the rotating disk, forming fine droplets and greatly increasing the drying surface area.

[0013] Preferably, the bottom end of the extraction tube extends through the top of the material tank to the bottom of the inside of the material tank, and one end of the feeding tube extends through the inside of the driven gear to the inside of the first cavity and is fixed with a limit ring.

[0014] With the above structure, when in use

[0015] Preferably, the first and second oblique spray holes are distributed at equal intervals on one side of the annular channel, and the outer side of the filter screen abuts against the inner wall of the tank.

[0016] With the above structure, the limiting ring enables the feeding pipe and the driven gear to adopt a dynamic sealing structure during use, thereby achieving stable delivery of the solution.

[0017] Preferably, one end of the connecting rod is fixedly connected to both sides of the connecting pipe, and the connecting rods are symmetrically distributed at the top of the tank body on both sides of the connecting pipe.

[0018] Preferably, one side of the scraper abuts against the inner wall of the tank, and one side of the brush bristles abuts against one side of the filter screen.

[0019] With the above structure, during use, the rotation of the connecting pipe causes the connecting rod to move the scraper along the inner wall of the tank, while the brush cleans the filter screen, preventing dry particles from clogging the mesh and ensuring smooth hot air flow.

[0020] The advantages of the coal-water slurry additive dryer provided by this utility model are as follows:

[0021] By incorporating a rotating structure, the rotating disk causes the solution to form fine droplets under the action of atomizing nozzles and centrifugal force, thereby significantly increasing the contact area with hot air and accelerating the evaporation rate of water.

[0022] By incorporating a drying structure, a ring channel combined with first and second oblique spray holes ensures uniform hot air distribution, avoiding localized overheating or insufficient drying. Furthermore, the hot air blower works in conjunction with the bottom heating plate to achieve rapid drying, thereby improving work efficiency. Scrapers and brushes clean the inner wall of the tank and the filter screen, preventing material accumulation, reducing residue, and improving raw material utilization. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0024] Figure 2 This is a frontal cross-sectional view of the present invention.

[0025] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0026] Figure 4 This is a side sectional view of the present invention.

[0027] Figure 5 For the present utility modelFigure 4 Enlarged structural diagram at point B.

[0028] The following are the annotations in the diagram: 1. Tank body; 2. Fixed plate; 3. Support leg; 4. Rotating structure; 401. Motor; 402. Rotating shaft; 403. Driving gear; 404. Driven gear; 405. Connecting pipe; 406. First cavity; 407. Rotating disk; 408. Second cavity; 409. Atomizing nozzle; 410. Material tank; 411. Extraction pipe; 412. Extractor; 413. Feeding pipe; 414. Limiting ring; 5. Drying structure; 501. Hot air blower; 502. Air inlet pipe; 503. Annular channel; 504. First oblique spray hole; 505. Second oblique spray hole; 506. Filter screen; 507. Connecting rod; 508. Scraper; 509. Tank body; 510. Brush bristles; 511. Heating plate; 512. Pressure relief pipe; 6. Discharge pipe; 7. Valve. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0030] Please see Figures 1-5 The present invention provides a water-coal slurry additive dryer, including a tank 1.

[0031] Reference Figures 1-4As shown, a fixing plate 2 is fixed to the outside of the tank body 1, and support legs 3 are fixed to the bottom edge of the fixing plate 2. A rotating structure 4 is fixed to the top of the tank body 1. The rotating structure 4 includes a motor 401 fixed to the top of the tank body 1. A rotating shaft 402 is fixed to the output end of the motor 401. A drive gear 403 is fixed to the outside of the rotating shaft 402. A driven gear 404 is installed on one side of the drive gear 403. A connecting pipe 405 is installed inside the tank body 1. A first cavity 406 is provided inside the connecting pipe 405. A rotating disk 407 is fixed to the outside of the connecting pipe 405. A second cavity 408 is provided inside the rotating disk 407. An atomizing nozzle 409 is fixed to the bottom of the rotating disk 407. A material tank 410 is fixed to one side of the top of the fixing plate 2. A material extraction pipe 411 is fixed to the top of the material tank 410. One end of the material extraction pipe 411... A material extractor 412 is installed at the top of the tank body 1. A feeding pipe 413 is installed at the output end of the material extractor 412. A limit ring 414 is fixed at one end of the feeding pipe 413 inside the first cavity 406. The driving gear 403 and the driven gear 404 are meshed. The top end of the connecting pipe 405 passes through the top of the tank body 1 and is fixedly connected to the bottom end of the driven gear 404. Rotating disks 407 are evenly distributed on the outside of the connecting pipes 405 inside the tank body 1. The first cavity 406 and the second cavity 408 are connected. Atomizing nozzles 409 are evenly distributed at the bottom end of the rotating disk 407. The bottom end of the material extractor 411 passes through the top of the material tank 410 and extends to the bottom end inside the material tank 410. One end of the feeding pipe 413 passes through the inside of the driven gear 404 and extends to the inside of the first cavity 406 and is fixed with a limit ring 414.

[0032] The coal-water slurry additive solution is stored in the tank 410. Through the action of the pump 412, it is pumped through the pumping pipe 411 and the feeding pipe 413 to the first cavity 406 inside the connecting pipe 405. The starting motor 401 drives the rotating shaft 402 to drive the driving gear 403 to rotate, which in turn causes the driven gear 404 and the connecting pipe 405 to rotate synchronously. This causes the rotating disk 407 on the outside of the connecting pipe 405 to rotate with it. Under the action of centrifugal force, the solution is evenly sprayed into the tank 1 through the atomizing nozzle 409 to form fine droplets, which greatly increases the drying surface area.

[0033] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, a drying structure 5 is installed at the bottom of the fixed plate 2. The drying structure 5 includes a hot air blower 501 installed at the top of the fixed plate 2. An air inlet pipe 502 is installed on one side of the hot air blower 501. An annular channel 503 is provided inside the tank body 1. A first oblique spray hole 504 is provided inside the annular channel 503. A second oblique spray hole 505 is provided on one side of the first oblique spray hole 504. A filter screen 506 is installed inside the tank body 1 at one end of the first oblique spray hole 504 and the second oblique spray hole 505. A connecting rod 507 is provided at the top of the tank body 1. A scraper 508 is fixed at one end of the connecting rod 507. A trough 509 is provided on the outside of the filter screen 506 on one side of the scraper 508. The trough 509 contains... A brush 510 is fixed on one side, a heating plate 511 is installed at the bottom of the tank 1, a pressure relief pipe 512 is fixed on one side of the top of the tank 1, the first oblique spray hole 504 and the second oblique spray hole 505 are equally spaced on one side of the annular channel 503, the outer side of the filter screen 506 abuts against the inner wall of the tank 1, one end of the connecting rod 507 is fixedly connected to both sides of the connecting pipe 405, the connecting rod 507 is symmetrically distributed at the top of the tank 1 on both sides of the connecting pipe 405, one side of the scraper 508 abuts against the inner wall of the tank 1, one side of the brush 510 abuts against one side of the filter screen 506, a discharge pipe 6 is fixed at the bottom of the tank 1, and a valve 7 is installed on the outer side of the discharge pipe 6.

[0034] Hot air generated by the hot air blower 501 enters the annular channel 503 through the air inlet pipe 502 and is sprayed out at a specific angle through the first oblique spray hole 504 and the second oblique spray hole 505, forming a uniform hot air flow. This allows the atomized droplets to fully contact the hot air inside the tank 1, causing the moisture to evaporate rapidly. The oblique spray hole design enhances the turbulent mixing of hot air and atomized particles, improving drying efficiency. The heating plate 511 at the bottom of the tank 1 provides an additional heat source to ensure that residual moisture is completely removed and to prevent wet materials from accumulating at the bottom. As the connecting pipe 405 rotates, the connecting rod 507 drives the scraper 508 to move along the inner wall of the tank, while the brush 510 cleans the filter screen 506 to prevent the dried particles from clogging the mesh and to ensure smooth hot air flow.

Claims

1. A coal-water slurry additive dryer, comprising a tank (1); characterized in that: A fixing plate (2) is fixed to the outside of the tank (1), a rotating structure (4) is fixed to the top of the tank (1), and a drying structure (5) is installed at the bottom of the fixing plate (2); the drying structure (5) includes a hot air blower (501) installed at the top of the fixing plate (2), an air inlet pipe (502) is installed on one side of the hot air blower (501), an annular channel (503) is provided inside the tank (1), a first oblique spray hole (504) is provided inside the annular channel (503), and a second oblique spray hole (505) is provided on one side of the first oblique spray hole (504). The first oblique spray hole (504) and the second oblique spray hole (505) are equipped with a filter screen (506) inside the tank (1). A connecting rod (507) is provided at the top of the tank (1). A scraper (508) is fixed at one end of the connecting rod (507). A groove (509) is provided on the outside of the filter screen (506) on one side of the scraper (508). A brush bristle (510) is fixed on one side inside the groove (509). A heating plate (511) is installed at the bottom of the tank (1). A pressure relief pipe (512) is fixed on one side of the top of the tank (1).

2. The water-coal slurry additive dryer according to claim 1, characterized in that: Support legs (3) are fixed at the bottom edge of the fixed plate (2). A discharge pipe (6) is fixed at the bottom of the tank (1). A valve (7) is installed on the outside of the discharge pipe (6). The rotating structure (4) includes a motor (401) fixed to the top of the tank (1). A rotating shaft (402) is fixed at the output end of the motor (401). A drive gear (403) is fixed on the outside of the rotating shaft (402). A driven gear (404) is installed on one side of the drive gear (403). A connecting pipe (405) is installed inside the tank (1). A first cavity (406) is provided inside the connecting pipe (405). A rotating disk (407) is fixed on the outside of the connecting pipe (405). A second cavity (408) is provided inside the rotating disk (407). An atomizing nozzle (409) is fixed at the bottom of the rotating disk (407). A material tank (410) is fixed on one side of the top of the fixed plate (2). A material extraction pipe (411) is fixed at the top of the material tank (410). A material extraction machine (412) is installed at the top of the tank body (1) at one end of the material extraction pipe (411). A feeding pipe (413) is installed at the output end of the material extraction machine (412). A limit ring (414) is fixed at one end of the feeding pipe (413) inside the first cavity (406).

3. The water-coal slurry additive dryer according to claim 2, characterized in that: The driving gear (403) and the driven gear (404) are meshed together, and the top end of the connecting pipe (405) passes through the top end of the tank (1) and is fixedly connected to the bottom end of the driven gear (404).

4. A coal-water slurry additive dryer according to claim 2, characterized in that: The rotating disk (407) is evenly distributed on the outside of the connecting pipe (405) inside the tank (1), the first cavity (406) and the second cavity (408) are connected, and the atomizing nozzles (409) are evenly distributed at the bottom of the rotating disk (407).

5. A water-coal slurry additive dryer according to claim 2, characterized in that: The bottom end of the extraction pipe (411) extends through the top of the material tank (410) to the bottom of the inside of the material tank (410), and one end of the feeding pipe (413) extends through the inside of the driven gear (404) to the inside of the first cavity (406) and is fixed with a limit ring (414).

6. A coal-water slurry additive dryer according to claim 1, characterized in that: The first oblique spray hole (504) and the second oblique spray hole (505) are distributed at equal intervals on one side of the annular channel (503), and the outer side of the filter screen (506) abuts against the inner wall of the tank (1).

7. A coal-water slurry additive dryer according to claim 2, characterized in that: One end of the connecting rod (507) is fixedly connected to both sides of the connecting pipe (405), and the connecting rod (507) is symmetrically distributed at the top of the tank (1) on both sides of the connecting pipe (405).

8. A coal-water slurry additive dryer according to claim 1, characterized in that: One side of the scraper (508) abuts against the inner wall of the tank (1), and one side of the bristles (510) abuts against one side of the filter screen (506).

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