A dust collecting and flushing device for a sludge drying machine

Abstract

The utility model discloses a dust collection and flushing device for a sludge dryer, and relates to the field of dust treatment. It comprises a cyclone separation unit and a flushing unit, wherein the cyclone separation unit comprises a conical body, wherein the upper end of the conical body is provided with a dusty air inlet and a clean air outlet, wherein the lower part of the conical body is provided with an ash hopper, wherein the lower end of the ash hopper is provided with a dust outlet, wherein the ash hopper extends into the flushing unit, wherein the flushing unit comprises an outer shell, wherein at least one group of liquid discharge ports is provided on the outer shell and is connected with a water inlet pipe, wherein the flushing unit further comprises a water supply pump connected with the water inlet pipe, wherein the outer shell is a six-sided square metal box, wherein the four sides of the outer shell are provided with reinforcing support ribs. It can not only solve the problem of blockage caused by dust accumulation, but also can flush and clean the ash hopper at any time, thus facilitating dust cleaning and ensuring the efficient operation of the cyclone separator.

Description

Technical Field

[0001] The utility model relates to the field of dust treatment, in particular to a dust collecting and flushing device for a sludge drying machine. Background Art

[0002] Sludge dryers play an important role in industrial production. They are used to dry sludge containing high moisture content for subsequent processing and utilization. However, this process is not without challenges. During the sludge drying process, a large amount of dust is generated because the organic and inorganic substances contained in the sludge will decompose and volatilize at high temperatures. This dust not only pollutes the environment, but may also pose a threat to the health of operators.

[0003] To avoid the scattering and diffusion of dust, cyclone separators are usually used to collect and separate dust. Cyclone separators are a type of equipment that uses the principle of centrifugal force to separate solid particles from gas. When dusty gas enters the cyclone separator, due to the high-speed rotation, the dust particles are thrown toward the outer wall by the centrifugal force, and then slide down along the wall into the ash hopper, while the clean gas is discharged from the top.

[0004] After the separator has been running for a long time, the dust accumulation in the ash hopper may gradually increase, and even cause blockage. This blockage will not only affect the separation efficiency of the cyclone separator, but may also cause unstable operation of the equipment, increase maintenance costs and failure rate. When there is too much dust accumulation, the airflow distribution inside the cyclone separator will be affected, the dust separation will not be complete, and some dust may escape into the external environment with the airflow, causing secondary pollution.

[0005] To solve this problem, the cyclone separator needs to be cleaned and maintained regularly. To solve this problem, the prior art invention patent with publication number CN115041310B discloses a high-efficiency cyclone separator with a spray device, which discloses that a spray structure is set in the cyclone separator, but the spray cannot solve the problem of dust accumulation in the ash hopper well. Utility Model Content

[0006] In order to solve the problems existing in the prior art, the purpose of the utility model is to disclose a dust collection and flushing device for a sludge dryer, which can flush the accumulated dust in the ash hopper of the cyclone separator, which can not only solve the problem of blockage caused by dust accumulation, but also can flush and clean the ash hopper at any time, thereby facilitating the cleaning of accumulated dust and ensuring the efficient operation of the cyclone separator.

[0007] To achieve the above-mentioned effects, the present application discloses a dust collection and flushing device for a sludge dryer, comprising a cyclone separation unit and a flushing unit, the cyclone separation unit comprising a conical body, the upper end of the conical body being provided with a dusty air inlet and a clean air outlet, the lower part of the conical body being provided with an ash hopper, the lower end of the ash hopper being provided with a dust outlet, the ash hopper extending into the flushing unit, the flushing unit comprising an outer shell, the outer shell being provided with at least one group of drainage ports and being connected to a water inlet pipe, the flushing unit also comprising a water supply pump communicated with the water inlet pipe, the outer shell being a six-sided square metal box, and reinforcing support ribs being provided on the four sides of the outer shell.

[0008] Furthermore, an inclined plate is provided at the bottom of the shell, the height of the inclined plate on one side of the water inlet pipe is higher than that on the opposite side, and the inclination angle of the inclined plate is not greater than 5°.

[0009] Furthermore, a valve is provided on the water inlet pipe, and the water supply pump is connected to an external water source pipe.

[0010] Furthermore, the shell is provided with at least one main liquid discharge port on the opposite side of the water inlet pipe, and a secondary liquid discharge port is provided on the same side of the water inlet pipe.

[0011] Furthermore, the ash hopper is in an inverted cone shape, and the distance between the dust outlet at the bottom of the ash hopper and the bottom of the outer shell is not less than 1 / 5 of the height of the outer shell.

[0012] Furthermore, a detachable upper plate is provided on the top of the shell, and a plurality of observation holes are provided on the upper plate, and the observation holes are protected by an upper cover.

[0013] Furthermore, the cyclone separation unit is supported and fixed on the first-stage platform through a main bracket, and the flushing unit is arranged at the lower part of the first-stage platform.

[0014] Furthermore, a monitoring unit is provided on the side of the ash hopper, and the monitoring unit is linked with the water supply pump.

[0015] The beneficial effects of the utility model include:

[0016] The new invention discloses a combination of a cyclone separation unit and a flushing unit, and the structural design of the ash hopper and the flushing unit can effectively transfer the separated dust to the flushing unit, thereby efficiently cleaning the dust and keeping the equipment clean. At the same time, through the arrangement of a water inlet pipe and a plurality of liquid discharge ports, it is possible to realize a plurality of ways of flushing the inside of the housing, ensuring that the ash hopper is not blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a side view of the utility model.

[0020] Figure 3 It is a schematic diagram of the internal structure of the shell of the utility model.

[0021] Figure 4 It is a side view of the interior of the shell of the utility model.

[0022] Among them: 1: conical body, 2: dusty air inlet, 3: clean air outlet, 4: ash hopper, 5: dust outlet, 6: shell, 7: drain port, 8: water inlet pipe, 9: water pump, 10: reinforced support ribs, 11: inclined plate, 12: valve, 13: external water source pipe, 14: main bracket, 15: first-level platform, 16: monitoring unit, 61: upper plate, 62: observation hole, 63: upper cover, 71: main drain port, 71: secondary drain port. DETAILED DESCRIPTION

[0023] The specific implementation methods of the utility model are further described in detail below in combination with the accompanying drawings. However, the following embodiments only list preferred embodiments, which only serve to explain and help understand the utility model and cannot be understood as limiting the utility model.

[0024] refer to Figure 1-4 A dust collection and flushing device for a sludge dryer comprises a cyclone separation unit and a flushing unit, the cyclone separation unit comprises a conical body 1, a dusty air inlet 2 and a clean air outlet 3 are arranged at the upper end of the conical body, a ash hopper 4 is arranged at the lower part of the conical body, a dust outlet 5 is arranged at the lower end of the ash hopper, the ash hopper extends into the flushing unit, the flushing unit comprises an outer shell 6, at least one group of drainage ports 7 are arranged on the outer shell and a water inlet pipe 8 is connected thereto, the flushing unit further comprises a water supply pump 9 communicated with the water inlet pipe 8, the outer shell 6 is a hexagonal square metal box, and reinforcing support ribs 10 are arranged on the four sides of the outer shell.

[0025] When in use, after the cyclone separation unit separates the dust from the dust-laden air, the dust will be collected and stored in the ash hopper 4. At the lower part of the ash hopper 4, a dust outlet 5 connected to the flushing unit is provided. When the dust accumulates to a certain extent, the ash hopper 4 will send the dust into the flushing unit through the dust outlet 5. The flushing unit includes a shell 6, which has a water inlet pipe 8 and is connected to a water pump 9. When the dust needs to be cleaned, the water pump 9 will start to deliver water to the flushing unit. The water entering the flushing unit will wash the dust in the ash hopper 4 at a uniform flow rate, mix it and flush it into dust-laden water. Finally, the dust-laden water will be discharged through the drain port 7 on the shell 6, completing the dust collection and cleaning process.

[0026] Through such a process, the flushing unit can effectively clean the dust separated by the cyclone separation unit and avoid clogging of the ash hopper, while also ensuring the normal operation and service life of the equipment.

[0027] Preferably, an inclined plate 11 is provided at the bottom of the housing, the height of the inclined plate on one side of the water inlet pipe is higher than that on the opposite side, and the inclination angle of the inclined plate is not greater than 5°. The inclined plate 11 uses gravity to allow dust-containing water to flow naturally to a place with a lower height, thereby promoting the smooth flow of water and further improving the flushing efficiency. At the same time, it is also beneficial to reduce water accumulation, prevent excessive humidity inside the equipment, and facilitate long-term use of the equipment.

[0028] Preferably, a valve 12 is provided on the water inlet pipe, and the water pump 9 is connected to an external water source pipe 13. The setting of the valve 12 allows us to accurately control the water flow entering the flushing unit, and can also close the valve during non-working hours to avoid water accumulation or waste in the flushing unit.

[0029] Preferably, the housing is provided with at least one main drain port 71 on the opposite side of the water inlet pipe 8, and a secondary drain port 71 is provided on the same side of the water inlet pipe. Through the design of the main drain port and the secondary drain port, the ash hopper can be flushed in various ways. The ash hopper is in an inverted cone shape, and the distance between the dust outlet at the bottom of the ash hopper and the bottom of the housing is not less than 1 / 5 of the height of the housing.

[0030] In a further solution, a removable upper plate 61 is provided on the top of the housing, and a plurality of observation holes 62 are provided on the upper plate, and the observation holes are protected by an upper cover 63. The design of the observation holes 62 allows the operator to visually check the conditions inside the flushing unit, such as: water flow intensity, degree of dust mixing, etc. This instant feedback can help the operator to adjust the parameters immediately during the flushing process to ensure the flushing effect. The removable upper plate 61 can be disassembled when the equipment needs to be cleaned or maintained, which provides more direct access to the interior of the equipment and facilitates daily maintenance and routine maintenance.

[0031] Preferably, the cyclone separation unit is supported and fixed on the first-stage platform 15 by a main bracket 14, and the flushing unit is arranged at the lower part of the first-stage platform 15. The vertical layout of the cyclone separation unit and the flushing unit can effectively reduce the floor space, increase the space utilization rate, and simplify the equipment layout design. A monitoring unit 16 is provided on the side of the ash hopper 4, and the monitoring unit is linked with the water supply pump 9. The monitoring unit 16 can detect the amount of dust in the ash hopper 4 in real time, so as to ensure that the flushing process is always carried out in the best state, thereby ensuring the cleaning efficiency.

[0032] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A dust collecting and flushing device for a sludge dryer, characterized in that: The invention comprises a cyclone separation unit and a flushing unit. The cyclone separation unit comprises a conical body (1). The upper end of the conical body is provided with a dusty air inlet (2) and a clean air outlet (3). The lower part of the conical body is provided with an ash hopper (4). The lower end of the ash hopper is provided with a dust outlet (5). The ash hopper extends into the flushing unit. The flushing unit comprises an outer shell (6). The outer shell is provided with at least one set of liquid discharge ports (7) and is connected to a water inlet pipe (8). The flushing unit also comprises a water supply pump (9) communicated with the water inlet pipe (8). The outer shell (6) is a hexagonal square metal box. Four sides of the outer shell are provided with reinforcing support ribs (10).

2. A dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: An inclined plate (11) is provided at the bottom of the shell, the height of the inclined plate on one side of the water inlet pipe being higher than that on the opposite side, and the inclination angle of the inclined plate is not greater than 5°.

3. A dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: The water inlet pipe is provided with a valve (12), and the water supply pump (9) is in communication with an external water source pipe (13).

4. A dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: The housing is provided with at least one main liquid discharge port (71) on the opposite side of the water inlet pipe (8), and a secondary liquid discharge port (72) is provided on the same side of the water inlet pipe.

5. The dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: The ash hopper is in an inverted cone shape, and the distance between the dust outlet at the bottom of the ash hopper and the bottom of the outer shell is not less than 1 / 5 of the height of the outer shell.

6. The dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: A detachable upper plate (61) is provided on the top of the housing, and a plurality of observation holes (62) are provided on the upper plate. The observation holes are protected by an upper cover (63).

7. The dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: The cyclone separation unit is supported and fixed on the first-stage platform (15) via a main bracket (14), and the flushing unit is arranged at the lower part of the first-stage platform (15).

8. The dust collecting and flushing device for a sludge dryer according to claim 1, characterized in that: A monitoring unit (16) is provided on the side of the ash hopper (4), and the monitoring unit is linked to the water supply pump (9).

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