Coal slime dewatering device

Abstract

The utility model discloses a coal slime dewatering device which comprises a machine body, a feeding mechanism, a material conveying chain plate group and a heating pipe, the machine body is fixed on the ground, the feeding mechanism is arranged on one side of the machine body, the material conveying chain plate group is arranged in the machine body and comprises a plurality of conveying chain plates, and the heating pipe is arranged on the machine body. The multiple conveying chain plates are arranged in an end-to-end staggered mode so that materials on the tail portion of the upper layer of conveying chain plate can fall on the head portion of the lower layer of conveying chain plate, multiple heating pipes are arranged above the multiple conveying chain plates, and baffles are arranged on the two sides of the multiple conveying chain plates. According to the coal slime dewatering device, the occupied area of coal slime dewatering is reduced, the heat energy utilization rate is improved, coal slime is evenly distributed on the conveying chain plate, and the heating effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal slime dewatering technical field, concretely relates to a coal slime dewatering device. BACKGROUND

[0002] Coal slime is formed by coal powder containing water, and is a product in the process of coal production. Its properties differ greatly according to different varieties and formation mechanisms, and its usability also differs greatly. There are many types of coal slime, and it has a wide range of uses.

[0003] Generally, coal slime needs to be dewatered to reduce water content before use. The commonly used coal slime dewatering methods include gravity dewatering, mechanical force dewatering, and thermal energy dewatering. Thermal energy dewatering is generally selected for large-scale coal slime dewatering. Thermal energy dewatering includes sun exposure and heating drying. Sun exposure generally involves sunning coal slime in a fixed location. This method not only requires a large amount of labor, but also occupies a large area. The currently used heating drying method involves slowly transporting coal slime on one side of a single-layer conveying surface while heating. This method occupies a large area and has low heat utilization efficiency. SUMMARY

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a coal slime dewatering device.

[0005] The utility model employs the technical scheme: a coal slime dewatering device, including machine body, feeding mechanism, material conveying chain plate group, heating pipe, the machine body is fixed with ground, the feeding mechanism sets up with machine body one side, the material conveying chain plate group sets up in the machine body, the material conveying chain plate group includes a plurality of conveying chain plates, a plurality of the conveying chain plates are staggered and arranged at the tail of the upper layer of material conveying chain plate, so that the material at the tail of the upper layer of material conveying chain plate can fall on the head of the next layer of conveying chain plate, a plurality of heating pipes are arranged above the plurality of material conveying chain plates, and baffles are arranged on both sides of the plurality of material conveying chain plates.

[0006] Further, the feeding mechanism includes a feeding hopper, a feeding pipe, a feeding shaft, a first driving motor, a first driving gear, a first driven gear, and a first transmission chain. The bottom of the feeding hopper is in communication with the feeding pipe. The feeding shaft is rotatably arranged in the feeding pipe. The feeding shaft includes a stirring and scattering section and an auger feeding section. Stirring blades are arranged on the stirring and scattering section. Auger blades are arranged on the auger feeding section. The stirring and scattering section is located on one side below the feeding hopper of the feeding shaft. The auger feeding section is located on the other side. A discharging hole is arranged on the feeding pipe below the auger feeding section. The first driving motor is connected with the first driving gear. The first driving gear is connected with the first driven gear through the transmission chain. The first driven gear is connected with the feeding shaft.

[0007] Further, the feeding chain plate group comprises a first feeding chain plate, a second feeding chain plate, a third feeding chain plate and a driving mechanism, the first feeding chain plate is arranged below the feeding mechanism, the second feeding chain plate is arranged below the first feeding chain plate, and the third feeding chain plate is arranged below the second feeding chain plate, and the first feeding chain plate, the second feeding chain plate and the third feeding chain plate are all driven by the driving mechanism;

[0008] Further, the driving mechanism comprises a second driving motor, a second driving gear, a first chain plate driving gear, a second chain plate driving gear, a third chain plate driving gear and a second transmission chain, the second driving motor is fixed on the machine body, the output end of the second driving motor is connected with the second driving gear, the first chain plate driving gear is used for driving the first feeding chain plate, the second chain plate driving gear is used for driving the second feeding chain plate, the third chain plate driving gear is used for driving the third feeding chain plate, the second transmission chain is sleeved on the second driving gear and the third chain plate driving gear, the second driving gear is located above the third chain plate driving gear, the chain on the right side of the second transmission chain is matched with the right side teeth of the first chain plate driving gear, and the chain on the left side of the second transmission chain is matched with the right side teeth of the second chain plate driving gear;

[0009] Further, a first tensioning wheel is arranged between the second driving gear and the first chain plate driving gear, and a second tensioning wheel is arranged between the second driving gear and the second chain plate driving gear;

[0010] Further, a scattering mechanism is arranged below the material falling position of each feeding chain plate except the feeding chain plate located at the lowermost layer, the scattering mechanism comprises a third driving motor, a third driving gear, a scattering shaft, scattering blades, a scattering driving gear and a third transmission chain, the output end of the third driving motor is connected with the third driving gear, the third driving gear is connected with the scattering driving gear through the third transmission chain, the scattering driving gear is sleeved and fixed at one end of the scattering shaft, and the scattering blades are uniformly arranged on the scattering shaft;

[0011] Further, a flattening mechanism is arranged above each feeding chain plate, the flattening mechanism comprises a fourth driving motor, a fourth driving gear, a fourth transmission chain, a flattening driving gear, a flattening shaft and a flattening plate frame, the output end of the fourth driving motor is connected with the fourth driving gear, the fourth driving gear is connected with the flattening driving gear through the fourth transmission chain, the flattening driving gear is sleeved and fixed at one end of the flattening shaft, the flattening shaft is fixed with the flattening plate frame, the flattening plate frame is provided with flattening teeth, and the rotating direction of the flattening plate frame is opposite to the moving direction of the corresponding feeding chain plate;

[0012] Further, a scraping mechanism is arranged below the last layer of the group of material conveying chain plates, the scraping mechanism comprises a fifth driving motor, a fifth driving gear, a second driven gear, a fifth transmission chain, a scraper chain driving gear, a scraper chain and a scraper, the output end of the fifth driving motor is connected with the fifth driving gear, the fifth driving gear is connected with the second driving gear through the fifth transmission chain, the second driven gear is connected with the scraper chain driving gear through a rotating shaft, two scraper chain driving gears are arranged on the rotating shaft, each scraper chain driving gear is matched with a scraper chain, the scraper chain is further connected with a scraper chain driven gear on the side away from the scraper chain driving gear, and a plurality of scrapers are fixed on the scraper chain.

[0013] Further, at least one circulating fan is arranged in the machine body.

[0014] Further, a temperature sensor is arranged in the machine body, the temperature sensor is connected with the controller, and the controller is connected with the second driving motor and the heating pipe controller.

[0015] The coal slime is heated and dehydrated by arranging a plurality of material conveying chain plates and corresponding heating pipes for each material conveying chain plate, so that the occupation area of the coal slime dehydration is reduced, the heating pipes in the same layer can heat the coal slime above and below, and the heat energy utilization rate is improved; the feeding mechanism is arranged to stir and scatter the coal slime and make the coal slime uniformly fall on the material conveying chain plate through the falling holes, so that the heating of the coal slime is more uniform; the scattering mechanism is arranged to scatter the coal slime during the heating process, so that the coal slime is uniformly heated and the heating effect is improved; the flattening mechanism is arranged to uniformly distribute the coal slime on the material conveying chain plate, so that the heating effect is improved; and the circulating fan is arranged to accelerate the hot air flow and improve the heating and dehydration effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the material receiving mechanism of the utility model.

[0018] Figure 3 It is a driving mechanism schematic diagram of the utility model group of material conveying chain plates.

[0019] Figure 4 It is a structural schematic diagram of the utility model.

[0020] Figure 5 It is a structural schematic diagram of the scattering mechanism of the utility model.

[0021] Figure 6 It is a structural schematic diagram of the flattening mechanism of the utility model.

[0022] Figure 7The hanging material mechanism structure schematic view of the utility model.

[0023] In the figure: 1. machine body, 2. feeding mechanism, 201. feeding hopper, 202. material conveying pipe, 2021. blanking hole, 203. feeding rotating shaft, 2031. stirring and scattering section, 2032. auger material conveying section, 2033. stirring blade, 2034. auger blade, 204. first driving motor, 205. first driving gear, 206. first driven gear, 207. first transmission chain, 3. material conveying chain plate group, 301. first material conveying chain plate, 302. second material conveying chain plate, 303. third material conveying chain plate, 304. driving mechanism, 3041. second driving motor, 3042. second driving gear, 3043. first chain plate driving gear, 3044. second chain plate driving gear, 3045. third chain plate driving gear, 3046. second transmission chain, 3047. first tensioning wheel, 3048. second tensioning wheel, 4. heating pipe, 5. scattering mechanism, 501. third driving motor, 502. third driving gear, 503. scattering shaft, 504. scattering blade, 505. scattering driving gear, 506. third transmission chain, 6. flattening mechanism, 601. fourth driving motor, 602. fourth driving gear, 603. fourth transmission chain, 604. flattening driving gear, 605. flattening shaft, 606. flattening plate frame, 6061. flattening tooth, 7. material scraping mechanism, 701. fifth driving motor, 702. fifth driving gear, 703. second driven gear, 704. fifth transmission chain, 705. scraper chain driving gear, 706. scraper chain, 707. scraper, 8. temperature sensor. DETAILED DESCRIPTION

[0024] In order to make the technical scheme of the utility model more clearly understood, the utility model will be further explained below with reference to the drawings.

[0025] As Figures 1-7 shown, a coal slime dewatering device, including machine body 1, feeding mechanism 2, material conveying chain plate group 3, heating pipe 4, the machine body 1 is fixed with ground, the shell of machine body 1 encloses the device heating part, the shell of machine body 1 can select the material with the function of heat preservation, the feeding mechanism 2 is arranged with machine body 1 on one side, the material conveying chain plate group 3 is arranged in machine body 1, the material conveying chain plate group 3 includes multiple conveying chain plates, multiple the conveying chain plates are staggered at the head and tail and arranged so that the material of the tail of the upper layer material conveying chain plate can fall on the head of the next layer conveying chain plate, multiple the conveying chain plates are provided with multiple heating pipes 4 above, multiple the conveying chain plates are provided with baffle on both sides, the coal slime to be dewatered falls on the first layer conveying chain plate through the feeding mechanism 2, and the coal slime on the conveying chain plate is heated and dewatered by the heating pipe 4, since the conveying chain plate is staggered at the head and tail and arranged, the coal slime falls on the next layer conveying chain plate from the upper layer conveying chain plate, and is output by the last layer conveying chain plate to be collected.

[0026] Specifically, the feeding mechanism 2 comprises a feeding hopper 201, a feeding pipe 202, a feeding shaft 203, a first driving motor 204, a first driving gear 205, a first driven gear 206, and a first transmission chain 207. The bottom of the feeding hopper 201 is in communication with the feeding pipe 202. The feeding shaft 203 is rotatably arranged in the feeding pipe 202. The feeding shaft 203 comprises a stirring and dispersing section 2031 and an auger feeding section 2032. The stirring and dispersing section 2031 is provided with stirring blades 2033. The auger feeding section 2032 is provided with auger blades 2034. The stirring and dispersing section 2031 is located on one side below the feeding hopper 201 of the feeding shaft 203. The auger feeding section 2032 is located on the other side. The feeding pipe 202 below the auger feeding section 2032 is provided with a discharging hole 2021. The first driving motor 204 is connected with the first driving gear 205. The first driving gear 205 is connected with the first driven gear 206 through the first transmission chain. The first driven gear 206 is connected with the feeding shaft 203. The coal slurry enters the feeding pipe 202 through the feeding hopper 201. The coal slurry is first stirred and dispersed by the stirring and dispersing section 2031 of the feeding shaft 203. Then the coal slurry is pushed forward by the auger feeding section 2032 of the feeding shaft 203. The coal slurry reaches the discharging hole 2021 of the feeding pipe. The coal slurry falls from the discharging hole 2021 under the action of gravity.

[0027] Preferably, the feeding chain plate group 3 comprises a first feeding chain plate 301, a second feeding chain plate 302, a third feeding chain plate 303, and a driving mechanism 304. The first feeding chain plate 301 is arranged below the feeding mechanism 2. The second feeding chain plate 302 is arranged below the first feeding chain plate 301. The third feeding chain plate 303 is arranged below the second feeding chain plate 302. The first feeding chain plate 301, the second feeding chain plate 302, and the third feeding chain plate 303 are all driven by the driving mechanism 304.

[0028] Specifically, the driving mechanism 304 comprises a second driving motor 3041, a second driving gear 3042, a first chain plate driving gear 3043, a second chain plate driving gear 3044, a third chain plate driving gear 3045, and a second transmission chain 3046. The second driving motor 3041 is fixed on the machine body 1, and the output end of the second driving motor 3041 is connected with the second driving gear 3042. The first chain plate driving gear 3043 is used for driving the first feeding chain plate 301, the second chain plate driving gear 3044 is used for driving the second discharging chain plate, and the third chain plate driving gear 3045 is used for driving the third chain plate. The second transmission chain 3046 is sleeved on the second driving gear 3042 and the third chain plate driving gear 3045. The second driving gear 3042 is located above the third chain plate driving gear 3045. The chain on the right side of the second transmission chain 3046 is matched with the right side teeth of the first chain plate driving gear 3043, and the chain on the left side of the second transmission chain 3046 is matched with the right side teeth of the second chain plate driving gear 3044. The coal slime falls on the first feeding plate. The second driving motor 3041 is started, the second driving motor 3041 drives the second driving gear 3042 to rotate, the second driving gear 3042 drives the first chain plate driving gear 3043, the second chain plate driving gear 3044 and the third chain plate driving gear 3045 to rotate through the second transmission chain 3046, and the first chain plate driving gear 3043, the second chain plate driving gear 3044 and the third chain plate driving gear 3045 drive the first feeding chain plate 301, the second feeding chain plate 302 and the third feeding chain plate 303 to rotate, respectively.

[0029] Preferably, the first tensioning wheel 3047 is arranged between the second driving gear 3042 and the first chain plate driving gear 3043, and the second tensioning wheel 3048 is arranged between the second driving gear 3042 and the second chain plate driving gear 3044. The first tensioning wheel 3047 and the second tensioning wheel 3048 can be adjusted after being used for a certain period of time, so as to ensure the use of the second transmission chain 3046.

[0030] Preferably, a scattering mechanism 5 is arranged below the material falling position of each of the material conveying chain plates except the lowest one, the scattering mechanism 5 comprises a third driving motor 501, a third driving gear 502, a scattering shaft 503, scattering blades 504, a scattering driving gear 505 and a third transmission chain 506, the output end of the third driving motor 501 is connected with the third driving gear 502, the third driving gear 502 is connected with the scattering driving gear 505 through the third transmission chain 506, the scattering driving gear 505 is fixedly sleeved on one end of the scattering shaft 503, the scattering blades 504 are uniformly arranged on the scattering shaft 503, the third driving motor 501 drives the third driving gear 502 to rotate, the third driving gear 502 drives the scattering driving gear 505 to rotate through the third transmission chain 506, the scattering driving gear 505 drives the scattering shaft 503 to rotate, and the scattering shaft 503 drives the scattering blades 504 to rotate, the scattering blades 504 scatter the falling beauties;

[0031] Preferably, a flattening mechanism 6 is arranged above each of the material conveying chain plates, the flattening mechanism 6 comprises a fourth driving motor 601, a fourth driving gear 602, a fourth transmission chain 603, a flattening driving gear 604, a flattening shaft 605 and a flattening plate frame 606, the output end of the fourth driving motor 601 is connected with the fourth driving gear 602, the fourth driving gear 602 is connected with the flattening driving gear 604 through the fourth transmission chain 603, the flattening driving gear 604 is fixedly sleeved on one end of the flattening shaft 605, the flattening shaft 605 is fixedly provided with the flattening plate frame 606, the flattening plate frame 606 is provided with flattening teeth 6061, and the rotating direction of the flattening plate frame 606 is opposite to the moving direction of the corresponding material conveying chain plate;

[0032] Preferably, a material scraping mechanism 7 is arranged below the last layer of the material conveying chain plates of the material conveying chain plate group 3, the material scraping mechanism 7 comprises a fifth driving motor 701, a fifth driving gear 702, a second driven gear 703, a fifth transmission chain 704, a scraper chain driving gear 705, a scraper chain 706 and a scraper 707, the output end of the fifth driving motor 701 is connected with the fifth driving gear 702, the fifth driving gear 702 is connected with the second driven gear through the fifth transmission chain 704, the second driven gear 703 is connected with the scraper chain driving gear 705 through a rotating shaft, the rotating shaft is provided with two scraper chain driving gears 705, each of the scraper chain driving gears 705 is matched with a scraper chain 706, the scraper chain 706 is further connected with a scraper chain driven gear on the side away from the scraper chain driving gear 705, and the scraper chain 706 is fixedly provided with a plurality of scrapers 707;

[0033] Preferably, at least one circulating fan is arranged in the machine body 1;

[0034] Preferably, the machine body 1 is provided with a temperature sensor 8 connected with a controller, and the controller is connected with the second driving motor 3041 and a heating pipe controller.

[0035] Working principle: when using, add the non-dewatered coal slime from the feeding hopper of the feeding mechanism 2, because the non-dewatered coal slime has a certain fluidity due to its high water content, the first driving motor 204 is started to drive the first driving gear 205 to rotate, and the first driving gear 205 drives the first driven gear 206 to rotate through the chain transmission, and the first driven gear 206 drives the feeding shaft 203 to rotate, the coal slime entering the feeding pipe 202 is first stirred and dispersed by the stirring and dispersing section 2031 of the feeding shaft 203, and then is pushed forward by the auger feeding section 2032 of the feeding shaft 203, and the coal slime reaches the feeding hole 2021 of the feeding pipe, and the coal slime falls from the feeding hole 2021 under the action of gravity and falls on the first feeding plate, and the second driving motor 3041 is started to drive the second driving gear 3042 to rotate, and the second driving gear 3042 drives the first chain plate driving gear 3043, the second chain plate driving gear 3044 and the third chain plate driving gear 3045 to rotate through the second transmission chain 3046, and the first chain plate driving gear 3043, the second chain plate driving gear 3044 and the third chain plate driving gear 3045 drive the first feeding chain plate 301, the second feeding chain plate 302 and the third feeding chain plate 303 to rotate, respectively, the heating pipe 4 is first opened to preheat, the coal slime passes through the stirring shaft 503 for further stirring and dispersion during falling from the upper feeding chain plate to the lower feeding chain plate, and the coal slime is flattened by the flattening plate frame 606 driven by the flattening shaft 605 during conveying on the feeding chain plate, and the coal slime falls from the third feeding chain plate 303 for collection after heating is completed, and the circulating fan operates to accelerate the hot air flow in the machine body 1, and the temperature sensor 8 monitors the temperature in the machine, and if the temperature is lower than a certain value, on the one hand, the controller controls the heating pipe 4 to increase the power of the heating pipe 4, and on the other hand, the controller controls the second driving motor 3041 to reduce the rotating speed to prolong the heating time of the coal slime, and the fifth driving motor 701 is started at a certain time interval, the fifth driving motor 701 drives the fifth driving gear 702 to rotate, the fifth driving gear 702 drives the second driven gear 703 to rotate through the fifth transmission chain 704, the second driven gear 703 drives the scraper chain driving gear 705 to rotate through the rotating shaft, thereby driving the scraper chain 706 to move, the scraper chain 706 drives the scraper 707 to move, and the scraper 707 scrapes the residual coal slime on the third feeding chain plate 303.

[0036] The above only describes the preferred embodiments of the present application, and equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the present application are included in the patent application range of the present application.

Claims

1. A coal slime dewatering device, characterized in that, The utility model relates to a kind of material feeding machine, including body, feeding mechanism, material conveying chain plate group, heating pipe, the body is fixed with ground, the feeding mechanism is arranged with body upper side, the material conveying chain plate group is arranged in body, the material conveying chain plate group includes multiple conveying chain plates, multiple the conveying chain plates are staggered to be arranged so that the material of upper layer material conveying chain plate tail can fall in the first part of next layer conveying chain plate, multiple the conveying chain plates are all set with multiple heating pipes, multiple the conveying chain plates both sides are all set with baffle.

2. The coal slime dewatering device according to claim 1, characterized in that, The feeding mechanism includes a feeding hopper, a material conveying pipe, a feeding shaft, a first drive motor, a first driving gear, a first driven gear, and a first transmission chain. The bottom of the feeding hopper is connected with the material conveying pipe. The feeding shaft is rotatably arranged in the material conveying pipe. The feeding shaft includes a stirring and dispersing section and an auger feeding section. The stirring and dispersing section is provided with stirring blades. The auger feeding section is provided with auger blades. The stirring and dispersing section is located on one side below the feeding hopper of the feeding shaft. The auger feeding section is located on the other side. The material conveying pipe below the auger feeding section is provided with a discharging hole. The first drive motor is connected with the first driving gear. The first driving gear is connected with the first driven gear through the transmission chain. The first driven gear is connected with the feeding shaft.

3. The coal slime dewatering device according to claim 1, characterized in that, The material conveying chain plate group includes a first material conveying chain plate, a second material conveying chain plate, a third material conveying chain plate, and a driving mechanism. The first material conveying chain plate is arranged below the feeding mechanism. The second material conveying chain plate is arranged below the first material conveying chain plate. The third material conveying chain plate is arranged below the second material conveying chain plate. The first material conveying chain plate, the second material conveying chain plate, and the third material conveying chain plate are all driven by the driving mechanism.

4. The coal slurry dewatering device of claim 3, wherein The driving mechanism includes a second drive motor, a second driving gear, a first chain plate driving gear, a second chain plate driving gear, a third chain plate driving gear, and a second transmission chain. The second drive motor is fixed on the body. The output end of the second drive motor is connected with the second driving gear. The first chain plate driving gear is used for driving the first material conveying chain plate. The second chain plate driving gear is used for driving the second material conveying chain plate. The third chain plate driving gear is used for driving the third material conveying chain plate. The second transmission chain is sleeved on the second driving gear and the third chain plate driving gear. The second driving gear is located above the third chain plate driving gear. The right side of the second transmission chain is matched with the right side of the first chain plate driving gear. The left side of the second transmission chain is matched with the right side of the second chain plate driving gear.

5. A coal slurry dewatering device according to claim 4, wherein A first tensioning wheel is arranged between the second driving gear and the first chain plate driving gear. A second tensioning wheel is arranged between the second driving gear and the second chain plate driving gear.

6. The coal slurry dewatering device of claim 1, wherein A scattering mechanism is arranged below the material falling position of each of the material conveying chain plates except the lowest material conveying chain plate, the scattering mechanism comprising a third driving motor, a third driving gear, a scattering shaft, scattering blades, a scattering driving gear, and a third transmission chain, the output end of the third driving motor being connected with the third driving gear, the third driving gear being connected with the scattering driving gear through the third transmission chain, the scattering driving gear being fixedly sleeved on one end of the scattering shaft, and the scattering shaft being uniformly provided with the scattering blades.

7. The coal slurry dewatering device of claim 1, wherein A flattening mechanism is arranged above each of the material conveying chain plates, the flattening mechanism comprising a fourth driving motor, a fourth driving gear, a fourth transmission chain, a flattening driving gear, a flattening shaft, and a flattening plate frame, the output end of the fourth driving motor being connected with the fourth driving gear, the fourth driving gear being connected with the flattening driving gear through the fourth transmission chain, the flattening driving gear being fixedly sleeved on one end of the flattening shaft, the flattening shaft being fixedly provided with the flattening plate frame, the flattening plate frame being provided with flattening teeth, and the rotating direction of the flattening plate frame being opposite to the moving direction of the corresponding material conveying chain plate.

8. The coal slurry dewatering device of claim 1, wherein A material scraping mechanism is arranged below the last layer of the material conveying chain plates, the material scraping mechanism comprising a fifth driving motor, a fifth driving gear, a second driven gear, a fifth transmission chain, a scraper chain driving gear, a scraper chain, and scrapers, the output end of the fifth driving motor being connected with the fifth driving gear, the fifth driving gear being connected with the second driving gear through the fifth transmission chain, the second driven gear being connected with the scraper chain driving gear through a rotating shaft, the rotating shaft being provided with two scraper chain driving gears, each of the scraper chain driving gears being matched with one of the scraper chains, the scraper chain being further connected with a scraper chain driven gear on the side away from the scraper chain driving gear, and the scraper chain being fixedly provided with a plurality of scrapers.

9. The coal slurry dewatering device of claim 1, wherein At least one circulating fan is arranged in the machine body.

10. The coal slurry dewatering device of claim 1, wherein A temperature sensor is arranged in the machine body, the temperature sensor being connected with a controller, and the controller being connected with the second driving motor and the heating pipe controller.

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