Primary cyclone dryer for preventing atomized sludge from depositing

Abstract

The utility model relates to the technical field of sludge drying devices, and discloses a primary cyclone dryer for preventing atomized sludge from depositing, which comprises a primary cyclone dryer body, and the right side of the rear end of the primary cyclone dryer body is fixedly connected with an air inlet pipe. A discharging pipe is fixedly connected to the middle of the top end of the first-stage cyclone dryer body and penetrates through the upper side and the lower side, a surrounding plate is fixedly connected to the bottom of the outer wall of the first-stage cyclone dryer body and connected with a bottom plate through a limiting assembly, clamping grooves are formed in the left side and the right side of the top end of the surrounding plate correspondingly, and a scraping plate is fixedly connected to the left side of the top end of a rotating ring. The outward end of the scraper is attached to the inner wall of the first-stage cyclone dryer body. According to the first-stage cyclone dryer, the bottom plate is quickly detached from the bottom of the surrounding plate, so that sludge accumulated in the first-stage cyclone dryer body is conveniently discharged, the situation that the rotating effect of the sludge shearing plate is influenced by excessive sludge accumulation is avoided, and the unstable factor of the device during operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge drying devices, in particular to a primary cyclone dryer for preventing atomized sludge from settling. Background Art

[0002] Sludge drying is the process of dehydrating sludge containing water to reduce its moisture content to a certain level to achieve the purpose of drying. Common sludge drying methods include natural drying, mechanical dehydration, hot air drying, etc. These methods can effectively reduce the volume and weight of sludge and facilitate subsequent processing and disposal.

[0003] After searching, a sludge drying treatment system with announcement number CN116040911B includes a feed pretreatment mechanism, a sludge atomization mechanism, a cyclone separation mechanism and a waste heat collection mechanism; the feed pretreatment mechanism includes a wet material bin, a dry material bin and a mixer; the sludge atomization mechanism includes a pulverizer, an atomization pipe and an air injection mechanism; the cyclone separation mechanism includes at least one cyclone, and the feed port of the cyclone is connected to the other end of the atomization pipe.

[0004] Based on the above patent, dry sludge and wet sludge are mixed into semi-dry sludge through a mixer and discharged into a pulverizer, where they are pulverized by a pulverizing section. The pulverized sludge powder enters the middle of an atomizing tube. At the same time, an air injection mechanism blows compressed air into one end of the atomizing tube. The compressed air passes through swirl blades to form a rotating wind. The rotating wind is intensely mixed with the pulverized sludge powder, so that the sludge powder is atomized and discharged into the feed port of the cyclone, where it rotates, collides, and breaks. Since the sludge has a greater specific gravity than water, when the air flow rate decreases, the sludge gathers toward the bottom of the cyclone by centrifugal and gravity action, and is discharged through the lower discharge port of the cyclone. The moisture is discharged from the overflow port of the cyclone in the form of water mist, thereby achieving sludge drying and dehydration. However, due to the effect and efficiency of the front-end sludge atomization mechanism, the wet sludge coming out of the atomization mechanism often settles quickly to the bottom of the dryer after entering the first-stage cyclone dryer, and cannot rise with the rotating wind to enter the next-stage cyclone, resulting in the system being unable to operate stably for a long time. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a primary cyclone dryer for preventing the deposition of atomized sludge. The bottom plate is quickly disassembled from the bottom of the enclosure plate so as to discharge the sludge accumulated inside the primary cyclone dryer body and avoid excessive sludge accumulation affecting the rotation effect of the sludge shear plate.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A primary cyclone dryer for preventing atomized sludge from being deposited comprises a primary cyclone dryer body, an air inlet pipe is fixedly connected to the right side of the rear end of the primary cyclone dryer body, a discharge pipe is fixedly connected to the middle of the top end of the primary cyclone dryer body and passes through the upper and lower sides, a panel is fixedly connected to the bottom of the outer wall of the primary cyclone dryer body, the panel is connected to the bottom plate through a limiting assembly, slots are provided on the left and right sides of the top end of the panel, a swivel is rotatably connected to the lower side of the inner wall of the primary cyclone dryer body, a scraper is fixedly connected to the left side of the top end of the swivel, and the outward end of the scraper is in contact with the inner wall of the primary cyclone dryer body.

[0008] Furthermore, the limit assembly includes plug blocks fixedly connected to both left and right sides of the top of the bottom plate, the upper inner walls of the front ends of the plug blocks are slidably connected to the limit blocks, and the shape of the bottom ends of the plug blocks matches the shape of the inner walls of the slots.

[0009] Furthermore, the rear ends of the limit blocks are fixedly connected with springs, and the rear ends of the springs are fixedly connected to the inner wall of the insert blocks.

[0010] Furthermore, a connecting rod is fixedly connected to the left end of the inner wall of the swivel, a connecting block is fixedly connected to the right end of the connecting rod, and a bottom end of the connecting block is provided.

[0011] Furthermore, a motor is fixedly connected to the middle of the bottom end of the base plate, and a driving end of the motor passes through the inner wall of the base plate and is fixedly connected to a driving block.

[0012] Furthermore, sludge shearing plates are fixedly connected to four sides of the outer wall of the driving block, and a transmission rod is fixedly connected to the top of the driving block, and the shape of the top of the transmission rod matches the shape of the inner wall.

[0013] Furthermore, the distance between the bottom end of the limit block and the bottom end of the insert block is the same as the distance between the upper and lower ends of the enclosure.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by pressing the limit blocks on both sides to make them slide into the inner wall of the plug block and squeeze the spring, and then pushing the plug block downward to make it disengage from the slot, the bottom plate is quickly removed from the bottom of the enclosure plate, so as to discharge the sludge accumulated inside the primary cyclone dryer body, avoid excessive sludge accumulation affecting the rotation effect of the sludge shear plate, thereby reducing the instability factors of the device during operation.

[0016] 2. In the utility model, by starting the motor, the driving block drives the sludge shearing plate to rotate, and the precipitated sludge is sheared into particles of smaller diameter. At the same time, the sludge shearing plate running at high speed will form an upward airflow, driving these small-diameter particles to rise along the discharge pipe into the next-stage cyclone dryer, thereby reducing the accumulation of sludge at the bottom of the first-stage cyclone dryer body and improving the stability of the device during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a primary cyclone dryer for preventing atomized sludge from depositing proposed by the utility model;

[0018] Figure 2 This is a cross-sectional view of the primary cyclone dryer body of a primary cyclone dryer for preventing atomized sludge deposition proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the rotating ring structure of a primary cyclone dryer for preventing atomized sludge deposition proposed by the utility model;

[0020] Figure 4 This is a cross-sectional view of a primary cyclone dryer for preventing atomized sludge deposition proposed by the utility model;

[0021] Figure 5 The utility model discloses a plug-in cross-sectional view of a primary cyclone dryer for preventing atomized sludge from being deposited.

[0022] Legend:

[0023] 1. Primary cyclone dryer body; 2. Air inlet pipe; 3. Discharge pipe; 4. Enclosure; 5. Bottom plate; 6. Insert block; 7. Swivel; 8. Scraper; 9. Connecting block; 10. Connecting rod; 11. Slot; 12. Motor; 13. Driving block; 14. Sludge shearing plate; 15. Transmission rod; 16. Slot; 17. Limit block; 18. Spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-5The utility model provides an embodiment: a primary cyclone dryer for preventing atomized sludge from depositing, comprising a primary cyclone dryer body 1, an air inlet pipe 2 is fixedly connected to the right side of the rear end of the primary cyclone dryer body 1, one end of the air inlet pipe 2 is connected to a hot air device, and the top of the air inlet pipe 2 is connected to a sludge conveying device, and then the sludge is poured into the air inlet pipe 2, and the hot air device is started, and the sludge enters the primary cyclone dryer body 1 along with the hot air flow, a discharge pipe 3 is fixedly connected to the middle of the top of the primary cyclone dryer body 1 and runs through the upper and lower sides, a surrounding plate 4 is fixedly connected to the bottom of the outer wall of the primary cyclone dryer body 1, and slots 16 are provided on the left and right sides of the top of the surrounding plate 4, a swivel 7 is rotatably connected to the lower side of the inner wall of the primary cyclone dryer body 1, a scraper 8 is fixedly connected to the left side of the top of the swivel 7, and the outward end of the scraper 8 is in contact with the inner wall of the primary cyclone dryer body 1.

[0026] Specifically, the plug blocks 6 are fixedly connected to the left and right sides of the top of the bottom plate 5, and the inner wall of the upper side of the front end of the plug block 6 is slidably connected to the limit block 17. The distance between the bottom end of the limit block 17 and the bottom end of the plug block 6 is the same as the distance between the upper and lower ends of the enclosure 4. The shape of the bottom end of the plug block 6 matches the shape of the inner wall of the slot 16. The rear end of the limit block 17 is fixedly connected to the spring 18, and the rear end of the spring 18 is fixedly connected to the inner wall of the plug block 6. When too much sludge is accumulated at the bottom of the inner cavity of the primary cyclone dryer body 1 and does not enter the next stage of the cyclone dryer, the limit blocks 17 on both sides can be pressed to slide into the inner wall of the plug block 6 and squeeze the spring 18. When the limit block 17 is completely retracted into the plug block 6, the plug block 6 is pushed downward to be separated from the slot 16, and then the top of the bottom plate 5 is removed from the bottom of the enclosure 4, so as to discharge the accumulated sludge inside the primary cyclone dryer body 1 and avoid excessive sludge accumulation affecting the rotation effect of the sludge shear plate 14. In this way, the unstable factors of the device during operation are reduced.

[0027] Specifically, a motor 12 is fixedly connected to the middle of the bottom end of the bottom plate 5, and the driving end of the motor 12 penetrates the inner wall of the bottom plate 5 and is fixedly connected to a driving block 13. The four sides of the outer wall of the driving block 13 are fixedly connected to sludge shearing plates 14. When the motor 12 is started, the driving block 13 drives the sludge shearing plates 14 to rotate, and the precipitated sludge is sheared into particles with smaller diameters. At the same time, the sludge shearing plates 14 running at a high speed will form an upward airflow, which drives these small-diameter particles to rise along the discharge pipe 3 and enter the next-stage cyclone dryer, thereby reducing the sludge in the first-stage cyclone dryer itself. The accumulation at the bottom of the body 1 improves the stability of the device during operation. The left end of the inner wall of the swivel 7 is fixedly connected with a connecting rod 10, and the right end of the connecting rod 10 is fixedly connected with a connecting block 9. The bottom end of the connecting block 9 is provided with 11. The top of the driving block 13 is fixedly connected with a transmission rod 15. The shape of the top of the transmission rod 15 matches the shape of the inner wall of 11. During the rotation of the driving block 13, the swivel 7 is driven to rotate through the fit between the top of the transmission rod 15 and 11, so that the scraper 8 rotates on the lower side of the inner wall of the primary cyclone dryer body 1 and scrapes off some sludge attached to the inner wall.

[0028] Working principle: First, connect one end of the air inlet pipe 2 to the hot air device, and connect the top of the air inlet pipe 2 to the sludge conveying equipment. Then pour the sludge into the air inlet pipe 2, and start the hot air device. The sludge enters the first-stage cyclone dryer body 1 along with the hot air flow. Then start the motor 12, so that the driving block 13 drives the sludge shearing plate 14 to rotate, and the precipitated sludge is sheared into particles with smaller diameters. At the same time, the sludge shearing plate 14 running at high speed will form an upward airflow, driving these small-diameter particles to rise along the discharge pipe 3 into the next-stage cyclone dryer. During the rotation of the driving block 13, the top of the transmission rod 15 will cooperate with 11 to bring The movable ring 7 rotates, so that the scraper 8 rotates on the lower side of the inner wall of the primary cyclone dryer body 1 and scrapes off some sludge attached to the inner wall. When too much sludge is accumulated at the bottom of the inner cavity of the primary cyclone dryer body 1 and does not enter the next-stage cyclone dryer, the limit blocks 17 on both sides can be pressed to make it slide toward the inner wall of the plug block 6 and squeeze the spring 18. When the limit block 17 is completely retracted into the plug block 6, the plug block 6 is pushed downward to disengage from the slot 16, and then the top of the bottom plate 5 is removed from the bottom of the enclosure 4, so as to discharge the sludge accumulated inside the primary cyclone dryer body 1 and avoid excessive sludge accumulation affecting the rotation effect of the sludge shear plate 14.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A primary cyclone dryer for preventing atomized sludge from settling, comprising a primary cyclone dryer body (1), characterized in that: The rear right side of the primary cyclone dryer body (1) is fixedly connected with an air inlet pipe (2); the middle of the top of the primary cyclone dryer body (1) is fixedly connected with a discharge pipe (3) which runs through the upper and lower sides; the bottom of the outer wall of the primary cyclone dryer body (1) is fixedly connected with a panel (4); the panel (4) is connected with a bottom plate (5) through a limit assembly; the top left and right sides of the panel (4) are provided with a clamping groove (16); the lower side of the inner wall of the primary cyclone dryer body (1) is rotatably connected with a swivel (7); the left side of the top of the swivel (7) is fixedly connected with a scraper (8); the outward end of the scraper (8) is in contact with the inner wall of the primary cyclone dryer body (1).

2. A primary cyclone dryer for preventing atomized sludge deposition according to claim 1, characterized in that: The limit assembly comprises plug blocks (6) fixedly connected to both left and right sides of the top of the bottom plate (5); the inner wall of the upper front end of the plug block (6) is slidably connected to a limit block (17); and the shape of the bottom end of the plug block (6) matches the shape of the inner wall of the slot (16).

3. A primary cyclone dryer for preventing atomized sludge deposition according to claim 2, characterized in that: The rear ends of the limit blocks (17) are fixedly connected to springs (18), and the rear ends of the springs (18) are fixedly connected to the inner wall of the insert blocks (6).

4. The primary cyclone dryer for preventing atomized sludge from settling according to claim 1, characterized in that: The left end of the inner wall of the rotating ring (7) is fixedly connected with a connecting rod (10), the right end of the connecting rod (10) is fixedly connected with a connecting block (9), and the bottom end of the connecting block (9) is provided with (11).

5. The primary cyclone dryer for preventing atomized sludge from settling according to claim 1, characterized in that: A motor (12) is fixedly connected to the middle of the bottom end of the base plate (5); a driving end of the motor (12) passes through the inner wall of the base plate (5) and is fixedly connected to a driving block (13).

6. A primary cyclone dryer for preventing atomized sludge from settling according to claim 5, characterized in that: The four sides of the outer wall of the driving block (13) are fixedly connected with sludge shearing plates (14), and the top of the driving block (13) is fixedly connected with a transmission rod (15), and the shape of the top of the transmission rod (15) matches the shape of the inner wall (11).

7. The primary cyclone dryer for preventing atomized sludge from settling according to claim 2, characterized in that: The distance between the bottom end of the limit block (17) and the bottom end of the insert block (6) is the same as the distance between the upper and lower ends of the enclosure (4).

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