Sludge drying machine

Abstract

The utility model discloses a sludge drying machine which comprises a case, an outer cylinder, an inner cylinder, a driving assembly and a hot air assembly, when in use, sludge is loaded into the inner cylinder, the hot air assembly starts to continuously supply hot air into the inner cylinder, so that the temperature in the inner cylinder is increased, the driving assembly drives the inner cylinder to rotate, water in the sludge is separated from the sludge under the action of centrifugal force, the water is evaporated into water vapor in a high-temperature environment, and the water vapor enters the outer cylinder through the sieve pores and then is discharged from the outer cylinder. The steam enters the case and is exhausted from the steam exhaust port; when water in the sludge is completely evaporated, the sludge starts to be dried, small particles in the sludge enter the outer cylinder through the sieve holes and are discharged through the slag discharge port, large particles are left in the inner cylinder, a worker only needs to clean the large particles in the inner cylinder, automatic drying and dewatering of the sludge are achieved, and the working efficiency is improved. Meanwhile, particulate matters in the sludge are classified, so that subsequent transportation and treatment are facilitated, and the treatment efficiency of the sludge is improved.

Description

Technical Field

[0001] The utility model relates to a sludge drying machine. Background Art

[0002] In sewage treatment, filter plates are used to filter solid pollutants in sewage. After long-term use, sludge will be deposited on the filter plates. The sludge will affect the filtering effect of the filter plates. Therefore, the sludge on the filter plates needs to be scraped off regularly. The scraped sludge needs to be further processed to facilitate subsequent storage and transportation. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a sludge dryer, including a chassis, an outer cylinder, an inner cylinder, a driving assembly, and a hot air assembly; the chassis is provided with a sealed hatch, and the chassis is provided with a steam exhaust port; the outer cylinder is fixed in the chassis, and a slag discharge port is provided on the cylinder wall of the outer cylinder, and the slag discharge port is located at the rear of the internal space of the outer cylinder, and the slag discharge port faces downward; the inner cylinder is rotatably installed in the outer cylinder, and a plurality of sieve holes are provided on the inner cylinder, and a feed port is provided on the inner cylinder, and the feed port faces the sealed hatch; the driving assembly is installed in the chassis, the driving assembly is connected to the inner cylinder, and the driving assembly is used to rotate the inner cylinder; the hot air assembly is installed in the chassis, and the hot air assembly is the same as the inner cylinder through a pipeline, and the hot air assembly is used to transport hot air to the inner cylinder.

[0004] According to some embodiments of the utility model, two mounting plates are symmetrically mounted on the outer wall of the outer cylinder, and a tension spring is connected between the mounting plates and the frame of the chassis.

[0005] According to some embodiments of the utility model, the inner cylinder includes a first cylinder body and a second cylinder body, the second cylinder body is closed by the sealed cabin door, a plurality of sieve holes are opened on the cylinder wall of the first cylinder body, the first cylinder body is connected to the driving assembly, a rotating shaft is provided on the first cylinder body, and the rotating shaft passes through the outer cylinder and is connected to the driving assembly.

[0006] According to some embodiments of the utility model, a bearing sleeve is sleeved on the rotating shaft, and the bearing sleeve is fixed on the outer cylinder.

[0007] According to some embodiments of the present invention, the diameter of the first cylinder is greater than the diameter of the second cylinder.

[0008] According to some embodiments of the utility model, the driving assembly includes a driving motor, a first pulley, and a second pulley. The first pulley is installed on the driving motor, the second pulley is installed on the rotating shaft, and a transmission belt is wound between the first pulley and the second pulley.

[0009] According to some embodiments of the utility model, the hot air assembly includes a turbine fan, a bellows, and an air outlet pipe. The turbine fan is installed at the air inlet of the bellows, and is used to supply air into the bellows. A heating pipe is installed in the bellows, and one end of the air outlet pipe is connected to the air outlet of the bellows, and the other end of the air outlet pipe passes through the sealed cabin door and faces the inner cavity of the inner cylinder.

[0010] The utility model has at least the following beneficial effects:

[0011] When in use, the sludge is loaded into the inner cylinder, and the hot air component starts to continuously supply hot air into the inner cylinder to increase the temperature in the inner cylinder. The driving component drives the rotating inner cylinder to remove water in the sludge from the sludge under the action of centrifugal force. The water evaporates into water vapor under high temperature environment, and the water vapor enters the outer cylinder through the sieve holes, enters the chassis and is discharged from the exhaust port; when the water in the sludge is completely evaporated, the sludge begins to dry, and the small particles in the sludge enter the outer cylinder through the sieve holes and are discharged through the slag discharge port, while the large particles remain in the inner cylinder. The staff only needs to clean the large particles in the inner cylinder, thus realizing automatic drying and dehydration of the sludge. At the same time, the particles in the sludge are classified to facilitate subsequent transportation and treatment, thereby improving the sludge treatment efficiency.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the cross section of AA;

[0016] Figure 3 for Figure 1 Schematic cross-section of the middle BB;

[0017] Figure 4 It is a rear view schematic diagram of an embodiment of the utility model;

[0018] Figure 5 It is a top view schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] Reference Figure 1 , 2 As shown in Figure 5, a sludge dryer includes a chassis 100, an outer cylinder 200, an inner cylinder 300, a drive assembly 400, and a hot air assembly 500; the chassis 100 is equipped with a sealed hatch 600, and the chassis 100 is provided with a steam exhaust port 110; the outer cylinder 200 is fixed in the chassis 100, and a slag discharge port 210 is provided on the cylinder wall of the outer cylinder 200, and the slag discharge port 210 is located at the rear of the inner space of the outer cylinder 200, and the slag discharge port 210 faces downward; the inner cylinder 300 is rotatably mounted on the outer cylinder 200, a plurality of sieve holes 301 are opened on the inner cylinder 300, and a feed port 302 is provided on the inner cylinder 300, and the feed port 302 faces the sealed hatch 600; a driving component 400 is installed in the chassis 100, and the driving component 400 is connected to the inner cylinder 300, and the driving component 400 is used to rotate the inner cylinder 300; a hot air component 500 is installed in the chassis 100, and the hot air component 500 is the same as the inner cylinder 300 through a pipeline, and the hot air component 500 is used to transport hot air to the inner cylinder 300.

[0021] When in use, the sludge is loaded into the inner cylinder 300, and the hot air component 500 starts to continuously send hot air into the inner cylinder 300 to increase the temperature in the inner cylinder 300. The driving component 400 drives the rotating inner cylinder 300 to remove water in the sludge from the sludge under the action of centrifugal force. The water evaporates into water vapor under high temperature environment. After the water vapor enters the outer cylinder 200 through the sieve hole 301, it enters the chassis 100 and is discharged from the exhaust port 110; when the water in the sludge is completely evaporated, the sludge begins to dry, and the small particles in the sludge enter the outer cylinder 200 through the sieve hole 301 and are discharged through the slag discharge port 210, while the large particles remain in the inner cylinder 300. The staff only needs to clean the large particles in the inner cylinder 300, thereby realizing automatic drying and dehydration of the sludge. At the same time, the particles in the sludge are classified to facilitate subsequent transportation and treatment, thereby improving the sludge treatment efficiency.

[0022] Reference Figure 4As shown, two mounting plates 220 are symmetrically mounted on the outer wall of the outer cylinder 200, and a tension spring 230 is connected between the mounting plates 220 and the frame of the chassis 100. The tension spring 230 ensures that the outer cylinder 200 remains stable during the high-speed centrifugal rotation of the inner cylinder 300 to avoid large-scale shaking.

[0023] Reference Figure 2 As shown, specifically, the inner cylinder 300 includes a first cylinder body 310 and a second cylinder body 320. The second cylinder body 320 is closed by a sealed cabin door 600. A plurality of sieve holes 301 are opened on the cylinder wall of the first cylinder body 310. The first cylinder body 310 is connected to the driving assembly 400. A rotating shaft 311 is provided on the first cylinder body 310. The rotating shaft 311 passes through the outer cylinder 200 and is connected to the driving assembly 400.

[0024] In order to improve the stability of the rotating shaft 311 during rotation, a bearing sleeve 312 is sleeved on the rotating shaft 311 , and the bearing sleeve 312 is fixed on the outer cylinder 200 .

[0025] The diameter of the first cylinder 310 is greater than the diameter of the second cylinder 320, so as to prevent the sludge in the first cylinder 310 from being thrown out of the second cylinder 320 during the centrifugal dehydration process.

[0026] Reference Figure 4 As shown, specifically, the driving assembly 400 includes a driving motor 410, a first pulley 420, and a second pulley 430. The first pulley 420 is installed on the driving motor 410, and the second pulley 430 is installed on the rotating shaft 311. A transmission belt 440 is wound between the first pulley 420 and the second pulley 430.

[0027] Reference Figure 3 As shown, specifically, the hot air assembly 500 includes a turbine fan 510, a bellows 520, and an air outlet pipe 530. The turbine fan 510 is installed at the air inlet of the bellows 520. The turbine fan 510 is used to supply air into the bellows 520. A heating pipe 540 is installed in the bellows 520. One end of the air outlet pipe 530 is connected to the air outlet of the bellows 520, and the other end of the air outlet pipe 530 passes through the sealed cabin door 600 and faces the inner cavity of the inner cylinder 300.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A sludge dryer, characterized in that: include: A machine box (100), wherein a sealed door (600) is installed on the machine box (100), and a steam exhaust port (110) is opened on the machine box (100); An outer cylinder (200), the outer cylinder (200) being fixed in the casing (100), a slag discharge port (210) being opened on a cylinder wall of the outer cylinder (200), the slag discharge port (210) being located at the rear of the internal space of the outer cylinder (200), and the slag discharge port (210) facing downwards; an inner cylinder (300), the inner cylinder (300) being rotatably mounted in the outer cylinder (200), the inner cylinder (300) being provided with a plurality of sieve holes (301), the inner cylinder (300) being provided with a feed port (302), and the feed port (302) being directed toward the sealed hatch (600); a driving assembly (400), the driving assembly (400) being installed in the chassis (100), the driving assembly (400) being connected to the inner cylinder (300), and the driving assembly (400) being used to rotate the inner cylinder (300); A hot air component (500), the hot air component (500) is installed in the chassis (100), the hot air component (500) is connected to the inner cylinder (300) through a pipeline, and the hot air component (500) is used to transport hot air to the inner cylinder (300).

2. A sludge dryer according to claim 1, characterized in that: Two mounting plates (220) are symmetrically mounted on the outer wall of the outer cylinder (200), and a tension spring (230) is connected between the mounting plates (220) and the frame of the chassis (100).

3. A sludge dryer according to claim 1, characterized in that: The inner cylinder (300) comprises a first cylinder body (310) and a second cylinder body (320), wherein the second cylinder body (320) is closed by the sealed hatch (600), a plurality of sieve holes (301) are provided on the cylinder wall of the first cylinder body (310), the first cylinder body (310) is connected to the driving assembly (400), a rotating shaft (311) is provided on the first cylinder body (310), and the rotating shaft (311) passes through the outer cylinder (200) and is connected to the driving assembly (400).

4. A sludge dryer according to claim 3, characterized in that: A bearing sleeve (312) is sleeved on the rotating shaft (311), and the bearing sleeve (312) is fixed on the outer cylinder (200).

5. A sludge dryer according to claim 3, characterized in that: The diameter of the first cylinder (310) is greater than the diameter of the second cylinder (320).

6. A sludge dryer according to claim 3, characterized in that: The driving assembly (400) comprises a driving motor (410), a first pulley (420), and a second pulley (430); the first pulley (420) is mounted on the driving motor (410); the second pulley (430) is mounted on the rotating shaft (311); and a transmission belt (440) is wound between the first pulley (420) and the second pulley (430).

7. A sludge dryer according to claim 1, characterized in that: The hot air assembly (500) comprises a turbine fan (510), a bellows (520), and an air outlet pipe (530); the turbine fan (510) is installed at the air inlet of the bellows (520); the turbine fan (510) is used to supply air into the bellows (520); a heating pipe (540) is installed in the bellows (520); one end of the air outlet pipe (530) is connected to the air outlet of the bellows (520); and the other end of the air outlet pipe (530) passes through the sealed cabin door (600) and faces the inner cavity of the inner cylinder (300).

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