Automatic temperature control water mist fire star extinguishing cyclone dust collector for biomass boiler

Abstract

The application relates to an automatic temperature-controlling water mist fire star extinguishing cyclone dust collector for a biomass boiler and relates to the technical field of flue gas dust removal, and comprises a dust collector, the dust collector comprises a shell, a rising cylinder is coaxially arranged in the shell, a nozzle upward spraying head is further arranged in the rising cylinder, water mist is sprayed from the nozzle of the spraying head to form a fire extinguishing area in the rising cylinder, the dust collector further comprises an air inlet pipe which is installed on the side of the shell and is tangentially communicated with the shell, the air inlet pipe is located below the spraying head, a support is further installed on the outside of the shell and is supported on the ground, an outlet flue dust collector is further installed on the upper end of the rising cylinder and extends to the outside of the shell and is bent to the side, the spraying head of the dust collector sprays water mist in the rising cylinder to form a fire extinguishing area, on one hand, the flue gas with fire stars is eliminated, the problem of bag burning is avoided, the service life of the bag is prolonged, on the other hand, the problems of dust caking and flue blockage caused by water spraying at the flue gas inlet are avoided, meanwhile, the structure of water spraying is less, the existing cyclone dust collector can be modified, and the modification cost is low.

Description

Technical Field

[0001] This application relates to the field of flue gas dust removal technology, and in particular to a cyclone dust collector for biomass boilers with automatic temperature control and water mist extinguishing function. Background Technology

[0002] Cyclone dust collectors are dry industrial dust removal equipment that relies on centrifugal force to achieve gas-solid separation. Dust-laden gas enters the cylinder tangentially, forming a vortex. Dust is thrown to the cylinder wall and settles along the conical section into the ash hopper. Clean airflow is discharged from the central exhaust pipe. The device itself has a simple structure, low cost, high temperature resistance, and is easy to maintain. It is widely used in building materials, metallurgy, mining and other industries, and is often used as a pre-treatment device. It efficiently captures coarse dust particles larger than 5 microns and is suitable for the purification and treatment of high-concentration dust-laden flue gas.

[0003] However, unburned fly ash and sparks are often carried in the flue gas of biomass boilers. Conventional cyclone dust collectors can only remove large dust particles and cannot eliminate sparks. When sparks enter the downstream bag filter, they can easily cause the filter bags to burn or break, leading to the failure of the dust collection system. In the existing technology, some cyclone dust collectors spray water at the inlet to cool down the dust, but the dust concentration at the inlet is high. After spraying water, problems such as dust agglomeration, wall adhesion, and flue blockage are likely to occur, affecting the normal operation of the system, requiring frequent maintenance and having unstable performance. Summary of the Invention

[0004] To address the problems of dust agglomeration, wall adhesion, and flue blockage caused by water spraying for cooling at the inlet of the aforementioned dust collector, this application provides an automatic temperature-controlled water mist spark extinguisher for biomass boilers, comprising a dust collector, which includes a shell, and an ascending cylinder coaxially arranged inside the shell.

[0005] The riser is also equipped with nozzles facing upwards. The nozzles spray water mist to create a fire extinguishing zone inside the riser. When the smoke inside the riser passes through the fire extinguishing zone, the temperature drops, extinguishing any sparks.

[0006] Preferably, the dust collector also includes an air inlet pipe installed on the side of the housing and tangentially connected to the housing, the air inlet pipe being located below the nozzle, a support bracket mounted on the ground on the outside of the housing, and an outlet flue extending to the outside of the housing and bending to the side being installed at the upper end of the riser.

[0007] Preferably, a protective tube extending to the inner wall of the rising cylinder is also installed on the side of the housing, a clamping seat is installed on the lower side of the nozzle, and a water supply pipe communicating with the nozzle input end and extending through the protective tube to the outside of the housing is installed on the side of the clamping seat. A baffle installed at the outer port of the protective tube is fitted on the water supply pipe.

[0008] Preferably, a set of clamping plates that can move towards the center are arranged circumferentially on the outside of the clamping seat inside the rising cylinder, and all the clamping plates together form a clamping area, with the height of the clamping plates being greater than the height of the clamping seat.

[0009] Preferably, a driving mechanism is also provided to drive the clamping plates to move towards the center. The driving mechanism includes multiple horizontal tubes located on one side of each clamping plate. One end of the horizontal tube is connected to the rising cylinder, and the other end extends to the outside of the housing. A shaft is coaxially rotatably installed inside the horizontal tube. The end of the shaft near the clamping plate is provided with an external thread. A threaded seat is threaded onto the external thread. A set of connecting rods that pass through the side wall of the rising cylinder and are connected to the corresponding clamping plate are installed on the threaded seat.

[0010] Preferably, one end of the shaft extends to the outside of the horizontal tube and is equipped with a gear. A mounting ring is rotatably mounted on the side of the housing above the gear. A lower end face toothed ring that meshes with the gear is mounted on the lower side of the mounting ring. A turntable for manual rotation is mounted on the upper side of the mounting ring.

[0011] Preferably, a protective cover covering the outside of all gears is rotatably mounted on the lower side of the mounting ring, outside the lower end face of the gear ring, and the lower edge of the protective cover is connected to the housing.

[0012] Preferably, each set of connecting rods is fitted with a metal telescopic tube on its outer side, with one end of the metal telescopic tube connected to the clamping plate and the other end connected to the inner wall of the rising cylinder.

[0013] Preferably, the horizontal tube is provided with multiple evenly distributed bearings, and the shaft passes through and is adapted to the inner ring of each bearing.

[0014] In summary, this application includes the following beneficial technical effects: The dust collector of this application sprays water mist from the nozzles inside the rising cylinder to form a fire extinguishing zone. On the one hand, this eliminates sparks from the flue gas, avoids the problem of bag burning, and extends the life of the bag. On the other hand, it avoids the problems of dust agglomeration and flue blockage caused by water spraying at the flue gas inlet. At the same time, the structure involving water spraying is small, and it can be modified on existing cyclone dust collectors, making it highly applicable and low in modification cost. Attached Figure Description

[0015] The present application will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the structure of this application.

[0017] Figure 2 This is a side view of this application.

[0018] Figure 3 This is a cross-sectional view of the dust collector in this application.

[0019] Figure 4 yes Figure 3 Enlarged view of section A in the middle.

[0020] Figure 5 This is a schematic diagram of the clamping state structure of the clamping piece in this application.

[0021] Figure 6 This is a cross-sectional view of this application.

[0022] Figure 7 This is a cross-sectional view of the drive mechanism of this application.

[0023] Figure 8 This is a schematic diagram of the external structure of the drive mechanism in this application.

[0024] In the diagram: 1. Dust collector; 11. Shell; 12. Inlet pipe; 13. Riser; 14. Support; 15. Protective pipe; 16. Water supply pipe; 17. Clamping seat; 18. Nozzle; 19. Baffle; 110. Solenoid valve; 112. Outlet flue; 2. Clamping plate; 3. Drive mechanism; 31. Horizontal tube; 32. Shaft; 33. External thread; 34. Threaded seat; 35. Connecting rod; 36. Bearing; 37. Metal telescopic tube; 38. Gear; 39. Mounting ring; 310. Lower end face toothed ring; 311. Turntable; 312. Protective cover. Detailed Implementation

[0025] The following is in conjunction with the appendix Figures 1-8 The embodiments of this application will be described in detail.

[0026] This application discloses an automatic temperature-controlled water mist extinguishing cyclone dust collector for biomass boilers. The nozzles of the dust collector spray water mist in the rising cylinder to form an extinguishing zone. On the one hand, this eliminates sparks in the flue gas, avoids the problem of bag burning, and extends the life of the filter bags. On the other hand, it avoids the problems of dust agglomeration and flue blockage caused by water spraying at the flue gas inlet. At the same time, the structure involving water spraying is small, and it can be modified on existing cyclone dust collectors, which is highly applicable and has low modification cost.

[0027] First embodiment, such as Figures 1-2 As shown, the dust collector 1 includes a housing 11, and a bracket 14 is mounted on the outside of the housing 11. The housing 11 is supported and fixed to the ground by the bracket 14.

[0028] like Figure 2 and Figure 3 As shown, the rising cylinder 13 is coaxially arranged inside the shell 11. The dust collector 1 also includes an air inlet pipe 12 located on the side of the shell 11 and tangentially connected to the shell 11. The flue gas generated by the biomass boiler can be tangentially introduced into the shell 11 through the air inlet pipe 12 and spirally rotated downward along the inner wall of the shell 11. The dust particles in the flue gas are thrown towards the inner wall of the shell 11 under the action of centrifugal force. After the particles collide and lose speed, they slide down along the inner wall of the shell 11. After the airflow reaches the bottom of the shell 11, it turns back to the center and spirals upward into the interior of the rising cylinder 13.

[0029] like Figure 3 and Figure 4As shown, the riser cylinder 13 is equipped with an upward-facing nozzle 18. The air inlet pipe 12 is located below the nozzle 18. An outlet flue 112 extending out of the housing 11 and bending to the side is installed at the upper end of the riser cylinder 13. The end of the outlet flue 112 is connected to the input end of the external bag filter. The water mist sprayed from the nozzle 18 can form a fire extinguishing zone inside the riser cylinder 13. When the flue gas flowing through the riser cylinder 13 passes through the fire extinguishing zone, the temperature drops rapidly to extinguish the sparks. At the same time, the water mist absorbs heat and vaporizes. The cooled and dust-removed flue gas can be transported to the inside of the bag filter through the riser cylinder 13 and the outlet flue 112 to complete the secondary dust removal operation.

[0030] like Figure 3 and Figure 4 As shown, a protective tube 15 extending to the inner wall of the riser cylinder 13 is installed on the side of the housing 11. A clamping seat 17 is fixed on the lower side of the nozzle 18. A water supply pipe 16 connected to the input end of the nozzle 18 is connected to the side of the clamping seat 17. The water supply pipe 16 extends through the protective tube 15 to the outside of the housing 11. A baffle 19 fixed to the outer port of the protective tube 15 is sleeved on the outside of the water supply pipe 16. The water supply pipe 16 is connected to the external water supply system through the baffle 19. The external water source can be stably delivered to the nozzle 18 through the water supply pipe 16 to complete the spraying operation. At the same time, the baffle 19 can completely block the port of the protective tube 15 to prevent the smoke inside the housing 11 from leaking out of the protective tube 15.

[0031] like Figure 3 and Figure 4 As shown, a temperature sensor (not shown) is installed on the inner wall of the outlet flue 112 near the lower end. A solenoid valve 110 is installed on the water supply pipe 16. A controller (not shown) is mounted on the outer side of the housing 11. The temperature sensor can monitor the temperature of the flue gas flowing through the outlet flue 112 in real time and transmit the temperature signal to the controller in real time. When the flue gas temperature rises, the controller can control the solenoid valve 110 to increase the water supply flow. When the flue gas temperature drops, the controller can control the solenoid valve 110 to decrease the water supply flow, thereby realizing the automatic adjustment of the spray water volume and saving water resources.

[0032] A rotary ash discharge valve (not shown) is installed at the lower port of the housing 11. A level gauge (not shown) is installed on the inner wall of the housing 11 near the lower port. The rotary ash discharge valve is initially closed. The level gauge can monitor the accumulation height of ash at the lower end of the housing 11 in real time. When the ash accumulation height reaches the preset threshold, the level gauge sends a trigger signal to the controller. After receiving the signal, the controller controls the rotary ash discharge valve to open, completing the unloading and discharge of ash inside the housing 11.

[0033] In summary, the flue gas from the biomass boiler enters the shell 11 tangentially through the inlet pipe 12 and spirals downwards along the inner wall of the shell 11. Dust particles in the flue gas are thrown towards the inner wall of the shell 11 under the action of centrifugal force. After the particles collide and lose speed, they slide down along the inner wall of the shell 11. After the airflow reaches the bottom of the shell 11, it turns back towards the center and spirals upwards into the interior of the riser 13. Before operation, the water supply pipe 16 is connected to the external water supply system. During operation, the water source is delivered to the nozzle 18 through the water supply pipe 16. The water mist sprayed from the nozzle 18 forms a fire extinguishing zone inside the riser 13. The flue gas flowing through the fire extinguishing zone cools down and extinguishes sparks, and the water mist absorbs heat and vaporizes. The treated flue gas is delivered to the bag filter dust collector through the riser 13 and the outlet flue 112 to complete secondary dust removal.

[0034] In the second embodiment of this application, based on the first embodiment, in order to solve the problem of water leakage and uneven distribution of spray mist caused by the vibration of the nozzle 18 due to airflow disturbance, and to avoid the defect that the nozzle 18 cannot be coaxially arranged with the riser 13 due to installation error.

[0035] Based on this, such as Figure 5 As shown, a set of clamping plates 2 that can move towards the center are arranged circumferentially on the outside of the clamping seat 17 inside the riser cylinder 13. All clamping plates 2 enclose a clamping area. During operation, the nozzle 18 and the clamping seat 17 are sent into the riser cylinder 13 through the water supply pipe 16 via the protective pipe 15 and placed between the clamping areas of each clamping plate 2. Then, all clamping plates 2 are controlled to move towards the center. The clamping seat 17 is clamped and fixed by multiple sets of clamping plates 2, and the nozzle 18 and the riser cylinder 13 are coaxially aligned. This not only solves the problem of coaxiality deviation of the nozzle 18, but also improves the installation stability of the nozzle 18 by clamping and fixing, and avoids the vibration of the nozzle 18 when the airflow flows through the riser cylinder 13, thus avoiding the failure of joint leakage and uneven water mist spray.

[0036] like Figure 5 As shown, the overall height of the clamping piece 2 is greater than the height of the clamping base 17. Even if the clamping base 17 experiences a slight vertical displacement, the clamping piece 2 can still stably clamp the clamping base 17, providing a good installation redundancy and adaptation effect.

[0037] In the third embodiment of this application, based on the second embodiment, the prior art mostly uses electric cylinders that match the number of clamping plates 2 to drive the displacement of each clamping plate 2. Since the clamping plates 2 only need to be adjusted and fixed occasionally and are used very infrequently, the procurement and deployment costs of high-precision electric cylinders are high. In order to ensure that each electric cylinder starts and stops synchronously and has consistent extension and retraction strokes, a synchronization module needs to be added inside the controller, which further increases the overall manufacturing cost of the equipment.

[0038] Based on this, such as Figures 5-7As shown, this device is equipped with a drive mechanism 3 for driving the clamping plate 2 to move towards the center. The drive mechanism 3 includes multiple sets of horizontal tubes 31 respectively located on one side of each clamping plate 2 and horizontal to the clamping plate 2. One end of the horizontal tube 31 is fixedly connected to the rising cylinder 13, and the other end extends to the outside of the housing 11. A shaft 32 is coaxially rotatably mounted inside the horizontal tube 31. The end of the shaft 32 near the clamping plate 2 is machined with an external thread 33. The outer thread of the external thread 33 is adapted to a thread seat 34. All thread seats 34 have the same initial position on the corresponding external thread 33. A set of connecting rods 35 that penetrate the side wall of the rising cylinder 13 and are connected to the corresponding clamping plate 2 are fixed on the thread seat 34.

[0039] When all shafts 32 rotate in the same direction, they can drive the corresponding external threads 33 to rotate synchronously, driving the threaded seat 34 to translate towards the center of the rising cylinder 13. Then, through the connecting rod 35, all clamping pieces 2 are driven to move synchronously towards the central clamping area. Since the specifications and dimensions of each external thread 33 are consistent and the initial position of the threaded seat 34 is uniform, it can be ensured that the movement stroke of all clamping pieces 2 is the same.

[0040] like Figure 7 and Figure 8 As shown, one end of the shaft 32 extends to the outside of the horizontal tube 31 and is fixedly mounted with a gear 38. The side of the housing 11 is rotatably mounted with an installation ring 39 above the gear 38. The lower end face toothed ring 310 that meshes with all the gears 38 is fixed on the lower side of the installation ring 39. A turntable 311 is mounted on the upper side of the installation ring 39. The operator can manually rotate the turntable 311 to drive the installation ring 39 and the lower end face toothed ring 310 to rotate synchronously. The rotating lower end face toothed ring 310 drives all the gears 38 to rotate synchronously in the same direction through meshing transmission. This structure adopts a manual drive method to adapt to the low-frequency adjustment of the clamping plate 2. Compared with the electric cylinder drive structure, it has a lower failure rate and a longer service life, which can significantly reduce the equipment manufacturing cost and maintenance cost.

[0041] like Figure 5 As shown, a protective cover 312 covering all gears 38 is rotatably mounted on the lower side of the mounting ring 39 outside the lower end face toothed ring 310. The bottom edge of the protective cover 312 is fixedly connected to the housing 11, which can enclose and protect the meshing transmission structure of gears 38 and lower end face toothed ring 310, and prevent dust accumulation from affecting transmission accuracy and transmission stability.

[0042] like Figure 6 and Figure 7 As shown, a metal telescopic tube 37 is sleeved on the outside of each set of connecting rods 35. One end of the metal telescopic tube 37 is fixedly connected to the clamping piece 2, and the other end is fixedly connected to the inner wall of the rising cylinder 13. The metal telescopic tube 37 can completely cover the connecting rod 35 to prevent dust from adhering to the surface of the connecting rod 35 and avoid dust jamming affecting the sliding fit between the connecting rod 35 and the side wall of the rising cylinder 13.

[0043] like Figure 7 As shown, multiple sets of evenly distributed bearings 36 are arranged inside the horizontal tube 31. The shaft 32 passes through the inner ring of each bearing 36 and is adapted and fixed to the inner ring of the bearing 36. Multiple sets of bearings 36 can provide multi-point support for the long shaft 32, preventing the shaft 32 from sagging and deforming in the middle, and ensuring the stability and accuracy of the transmission structure.

[0044] It should be noted that each horizontal tube 31 of the drive mechanism 3 is horizontal with the nozzle 18 and thus also above the air inlet pipe 12. When the flue gas spirals down after passing through the air inlet pipe 12, the horizontal tube 31 and the protective tube 15 will not obstruct the spiraling flue gas.

[0045] In summary, when the operator manually rotates the turntable 311 in the forward direction, the mounting ring 39 and the lower end face gear ring 310 drive each gear 38 to rotate in the same direction. The gears 38 drive the shaft 32 and the external thread 33 to rotate synchronously. Through the thread transmission, the threaded seat 34 is driven to move towards the center of the rising cylinder 13, which drives each clamping piece 2 to move synchronously towards the center and stretches the metal telescopic tube 37 until each clamping piece 2 tightly clamps the clamping seat 17, thus completing the fixation. When it is necessary to release the clamp, the operator rotates the turntable 311 in the reverse direction, which drives each gear 38, shaft 32 and external thread 33 to rotate in the opposite direction, drives the threaded seat 34 to move in the opposite direction, and drives each clamping piece 2 away from the center to release the clamping seat 17. At the same time, the metal telescopic tube 37 is compressed to complete the reset.

[0046] This application also discloses a method for using an automatic temperature-controlled water mist spark extinguisher cyclone dust collector for biomass boilers, the specific steps of which are as follows: S1. Structural Fixing: The nozzle 18 and the clamping seat 17 are fed into the riser cylinder 13 through the water supply pipe 16 and the protective pipe 15, so that the nozzle 18 and the clamping seat 17 are placed between the enclosing areas of each clamping piece 2. The driving mechanism 3 drives all the clamping pieces 2 to move towards the center. Multiple sets of clamping pieces 2 are used to clamp and fix the clamping seat 17 and achieve coaxial alignment between the nozzle 18 and the riser cylinder 13. Finally, the baffle 19 on the water supply pipe 16 is fixed to the port of the protective pipe 15 to complete the port sealing.

[0047] S2. Specific operation: The operator manually rotates the turntable 311, which drives the gears 38 to rotate synchronously in the same direction through the mounting ring 39 and the lower end face toothed ring 310. The gears 38 drive the shaft 32 and the external thread 33 to rotate, and drive the threaded seat 34 to move towards the center of the rising cylinder 13 through the thread transmission, which drives the clamping plates 2 to retract synchronously until the clamping seat 17 is clamped to complete the positioning and fixing of the nozzle 18. At the same time, the metal telescopic tube 37 is stretched to adapt to the displacement stroke.

[0048] S3. Dust removal and fire extinguishing operation: The flue gas from the external biomass boiler is connected to the device. The flue gas enters the shell 11 tangentially through the air inlet pipe 12 and spirals downward along the inner wall of the shell 11. Dust particles in the flue gas are thrown towards the inner wall of the shell 11 under the action of centrifugal force. After the particles collide and lose speed, they slide down along the inner wall of the shell 11. After the airflow reaches the bottom of the shell 11, it turns back to the center and spirals upward into the interior of the riser 13. The water supply pipe 16 is connected to the external water supply system in advance. During the operation, the water source is delivered to the nozzle 18 through the water supply pipe 16. The nozzle 18 sprays water inside the riser 13 to form a fire extinguishing zone. The flue gas flowing through the fire extinguishing zone is cooled and extinguishes sparks. The water mist absorbs heat and vaporizes. Finally, the purified flue gas is delivered to the bag filter through the riser 13 and the outlet flue 112 to complete the secondary dust removal operation.

[0049] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects.

[0050] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A cyclone dust collector for automatic temperature control and water mist extinguishing of sparks in a biomass boiler, comprising a dust collector (1), the dust collector (1) comprising a shell (11), and an ascending cylinder (13) coaxially arranged inside the shell (11), characterized in that: Inside the riser (13), there is also a nozzle (18) with the nozzle facing upward. The nozzle (18) sprays water mist to form a fire extinguishing zone inside the riser (13). When the smoke inside the riser (13) passes through the fire extinguishing zone, the temperature drops, extinguishing the sparks.

2. The cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 1, characterized in that: The dust collector (1) also includes an air inlet pipe (12) installed on the side of the housing (11) and tangentially connected to the housing (11). The air inlet pipe (12) is located below the nozzle (18). A bracket (14) supporting the ground is also installed on the outside of the housing (11). An outlet flue (112) extending to the outside of the housing (11) and bending to the side is also installed at the upper end of the riser (13).

3. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 1, characterized in that: A protective tube (15) extending to the inner wall of the riser (13) is also installed on the side of the housing (11). A clamping seat (17) is installed on the lower side of the nozzle (18). A water supply pipe (16) connected to the input end of the nozzle (18) and extending through the protective tube (15) to the outside of the housing (11) is installed on the side of the clamping seat (17). A baffle (19) installed at the outer port of the protective tube (15) is fitted on the water supply pipe (16).

4. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 1, characterized in that: Inside the rising cylinder (13), a set of clamping plates (2) that can move toward the center are arranged circumferentially on the outside of the clamping seat (17). All the clamping plates (2) together form a clamping area, and the height of the clamping plates (2) is greater than the height of the clamping seat (17).

5. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 4, characterized in that: A drive mechanism (3) is also provided to drive the clamping plate (2) to move towards the center. The drive mechanism (3) includes multiple horizontal tubes (31) located on one side of each clamping plate (2). One end of the horizontal tube (31) is connected to the rising cylinder (13), and the other end extends to the outside of the housing (11). A shaft (32) is coaxially rotatably installed inside the horizontal tube (31). An external thread (33) is provided at the end of the shaft (32) near the clamping plate (2). A threaded seat (34) is threaded on the external thread (33). A set of connecting rods (35) that pass through the side wall of the rising cylinder (13) and are connected to the corresponding clamping plate (2) is installed on the threaded seat (34).

6. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 5, characterized in that: One end of the shaft (32) extends to the outside of the horizontal tube (31) and is fitted with a gear (38). A mounting ring (39) is rotatably mounted on the side of the housing (11) above the gear (38). A lower end face toothed ring (310) that meshes with the gear (38) is mounted on the lower side of the mounting ring (39). A turntable (311) for manual rotation is mounted on the upper side of the mounting ring (39).

7. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 6, characterized in that: The mounting ring (39) is rotatably mounted on the lower side of the toothed ring (310) on the lower end face, and a protective cover (312) covering the outside of all gears (38) is also mounted on the outside of the toothed ring (310). The lower side of the protective cover (312) is connected to the housing (11).

8. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 5, characterized in that: Each set of connecting rods (35) is fitted with a metal telescopic tube (37) on the outside. One end of the metal telescopic tube (37) is connected to the clamping plate (2), and the other end is connected to the inner wall of the rising cylinder (13).

9. A cyclone dust collector for biomass boilers with automatic temperature control and water mist spark extinguishing as described in claim 5, characterized in that: The horizontal tube (31) is equipped with multiple evenly distributed bearings (36), and the shaft (32) passes through the inner ring of each bearing (36) and is adapted to it.

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