Novel efficient bag-type dust collector

Abstract

The utility model relates to a novel efficient bag-type dust collector which comprises a shell and a filter bag assembly, a collecting bin is arranged at the bottom of the shell, and the novel efficient bag-type dust collector is technically characterized in that the filter bag assembly consists of a conical support frame, a filter bag, a positioning shaft arranged at the center of the lower end of the conical support frame, and a hollow shaft arranged at the center of the upper end of the conical support frame; a first bearing seat corresponding to the hollow shaft is arranged at the top of the shell, an ash discharging opening is formed in the bottom of the collecting bin, an inner bearing seat connected with the positioning shaft is supported above the ash discharging opening, the upper end of the hollow shaft is connected with a vacuumizing pipe through a first rotating connector, and a rotating driving mechanism is arranged between the hollow shaft and the top face of the shell. A plurality of air nozzles facing the filter bag assembly are formed in the longitudinal stand pipe in the height direction at intervals, a side support is fixed to one side of the lower edge of the conical supporting frame, and a cleaning scraping brush making contact with the inner surface of the collecting bin is arranged at the tail end of the side support. According to the utility model, dual synchronous cleaning of the filter bag and the collecting bin is realized, and the dust removal efficiency is obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal equipment technical field, concretely relates to a novel high -efficient cloth bag dust collector. BACKGROUND

[0002] The bag type dust collector is generally applicable to trapping small, dry, non-fibrous dust, which utilizes the filtering effect of the fiber fabric to filter the dust-containing gas, when the dust-containing gas enters the bag type dust collector, the dust with large particles and specific gravity is settled down and falls into the collecting bin due to the action of gravity, and the gas containing small dust is blocked when passing through the filter bag, so that the gas is purified, but dust still adheres when the collecting bin is unloaded.

[0003] CN 222658097 U discloses a kind of high -efficient cloth bag dust collector, the bottom of its collecting bin is provided with drain pipe, and spray pipe is installed on the through hole;Multiple groups of branch pipes are arranged on the ring pipe, and the self-opening liquid outlet plate is movably arranged between the baffle and the limiting ring, multiple groups of second liquid holes are opened on the liquid outlet plate, and the second liquid holes are offset from the first liquid holes;Valve is installed on the drain pipe, multiple groups of rotating plates for controlling the opening and closing of drainage cavity are rotatably arranged on the base, and a rotating ring is also rotatably arranged on the base, and the rotating ring is movably connected with the rotating plate through swing arm.This dust collector can spray and purify dust in the collecting bin through the cooperation of spray pipe and collecting bin.But there are still the following problems:1, actually the surface of filter bag in dust collector is more likely to adhere dust, which affects the dust removal efficiency;2, the area of collecting bin is large, and many groups of branch pipes need to be densely arranged to spray cleaning liquid, which can achieve cleaning purpose, so the structure is relatively complex. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a novel high -efficient cloth bag dust collector with simple structure and reliable use to solve the above problems, realizing double synchronous cleaning of filter bag and collecting bin, and significantly improving dust removal efficiency.

[0005] The technical scheme of the utility model is:

[0006] The utility model provides a novel high -efficient cloth bag dust catcher, including the shell, the filter bag subassembly of being located in the shell, is equipped with the collection bin in the shell bottom, and its technical key points are: filter bag subassembly is by the conical support frame of upper wide lower narrow, the filter bag of cladding in the outer periphery of conical support frame, the locating shaft of being equipped with in the lower end center of conical support frame, hollow shaft that is equipped with in the upper end center of conical support frame is formed, the first bearing seat of corresponding hollow shaft is equipped with in the top of shell, the inner bearing seat that is connected with locating shaft is supported with ash outlet above the bottom of collection bin, the first rotary joint is connected to the vacuum pipe with the upper end of hollow shaft, and the rotary drive mechanism is arranged between the top surface of shell and hollow shaft, one side of the inner wall of shell is equipped with longitudinal vertical pipe, a plurality of air injection ports are arranged along the height direction of longitudinal vertical pipe and are directed to filter bag subassembly, the side support of lower along one side of conical support frame is fixed, and the cleaning scraper of the end of side support is in contact with the inner surface of collection bin.

[0007] The novel high -efficient cloth bag dust catcher, the rotating branch plate corresponding to the lower end of longitudinal vertical pipe is arranged on the inner wall of shell, the second bearing seat is led out from the top surface of shell and is connected with the second rotary joint at the upper end of longitudinal vertical pipe, the other end of second rotary joint is connected with the air charging pipeline, the rotary handle is arranged on the pipe segment outside the shell of longitudinal vertical pipe, and the long strip flexible barrier corresponding to longitudinal vertical pipe is arranged on the inner wall of shell.

[0008] The novel high -efficient cloth bag dust catcher, the first support corresponding to the vacuum pipe is arranged on the top surface of shell, and the second support corresponding to the air charging pipeline is arranged on the top surface of shell.

[0009] The novel high -efficient cloth bag dust catcher, the collection bin is a conical hopper, and the cleaning scraper is a linear brush body, one end of which is located on the upper edge of conical hopper, and the other end extends to the upper end of ash outlet.

[0010] The novel high -efficient cloth bag dust catcher, the rotary drive mechanism includes a driven wheel fixed to the hollow shaft on the shaft segment outside the shell, a drive motor fixed to the top surface of the shell, and a driving wheel fixed to the output shaft of the drive motor and engaged with the driven wheel.

[0011] The novel high -efficient cloth bag dust catcher, a plurality of support ribs are arranged between the outer ring of inner bearing seat and ash outlet.

[0012] The novel high -efficient cloth bag dust catcher, the inlet is arranged on the upper side wall of shell.

[0013] The utility model has the advantages of:

[0014] 1. The use of each jet port on the longitudinal standpipe to spray a cleaning airflow to the filter bag assembly, in the process, the rotating drive mechanism drives the filter bag assembly to rotate, so as to realize the cleaning of the dust adhered to the outer surface of the filter bag of the filter bag assembly; at the same time, in the process of rotating the filter bag assembly, the side support and the cleaning scraper rotate synchronously, and the cleaning scraper is used to clean the dust adhered to the inner surface of the collecting bin, and finally the ash outlet is used to suck out the dust through the vacuum pipeline, so as to achieve the purpose of cleaning the filter bag and the collecting bin comprehensively, thereby significantly improving the cleaning efficiency and further improving the dust removal efficiency. 2. The cleaning method of the cleaning scraper replaces the cleaning method of the prior art, and the structure is simpler and more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the utility model;

[0016] Figure 2 is Figure 1 A part of the enlarged view.

[0017] In the figure: 1. vacuum pipe, 2. first rotary joint, 3. first support, 4. driven wheel, 5. driving wheel, 6. first bearing seat, 7. driving motor, 8. shell, 9. smoke inlet, 10. filter bag, 11. side support, 12. cleaning scraper, 13. support rib, 14. ash outlet, 15. vacuum pipeline, 16. collecting bin, 17. inner bearing seat, 18. rotating support plate, 19. longitudinal standpipe, 20. jet port, 21. flexible blocking body, 22. inflation pipeline, 23. second support, 24. second rotary joint, 25. rotating handle, 26. second bearing seat, 27. conical support frame. DETAILED DESCRIPTION

[0018] The utility model is described in detail according to the drawings.

[0019] As Figure 1 , Figure 2 shown, the novel high-efficiency cloth bag dust collector includes a shell 8, a filter bag assembly arranged in the shell 8, a collecting bin 16 arranged at the bottom of the shell 8, and a smoke inlet 9 arranged on the sidewall of the upper portion of the shell 8.

[0020] The filter bag assembly is composed of a conical support frame 27 with a wide upper portion and a narrow lower portion, a filter bag 10 wrapped around the outer periphery of the conical support frame 27, a positioning shaft (hidden in the figure) arranged at the center of the lower end of the conical support frame 27, and a hollow shaft (hidden in the figure) arranged at the center of the upper end of the conical support frame 27. The top of the shell 8 is provided with a first bearing seat 6 corresponding to the hollow shaft, the bottom of the collecting bin 16 is provided with an ash outlet 14, and an inner bearing seat 17 connected with the positioning shaft is arranged above the ash outlet 14. The upper end of the hollow shaft is connected with a vacuum pipe 1 through a first rotary joint 2, and a plurality of support ribs 13 are arranged between the outer ring of the inner bearing seat 17 and the ash outlet 14.

[0021] The hollow shaft and the top surface of the shell 8 are provided with a rotary drive mechanism. In this embodiment, the rotary drive mechanism includes a driven wheel 4 fixed to the shaft segment of the hollow shaft outside the shell 8, a drive motor 7 fixed to the top surface of the shell 8, a driving wheel 5 fixed to the output shaft of the drive motor 7 and engaged with the driven wheel 4.

[0022] A longitudinal standpipe 19 is provided on one side of the inner wall of the shell 8, and a plurality of air injection ports 20 are provided on the longitudinal standpipe 19 at intervals in the height direction and face the filter bag assembly. In this embodiment, a rotating support plate 18 corresponding to the lower end of the longitudinal standpipe 19 is provided on the inner wall of the shell 8, the upper end of the longitudinal standpipe 19 leads out of the top surface of the shell 8 to a second bearing seat 26 and is connected to a second rotary joint 24, the other end of the second rotary joint 24 is connected to an air charging pipeline 22, a rotating handle 25 is provided on the pipe segment of the longitudinal standpipe 19 outside the shell 8, a long strip-shaped flexible barrier 21 corresponding to the longitudinal standpipe 19 is provided on the inner wall of the shell 8, and each air injection port 20 is opposite and connected to the long strip-shaped flexible barrier 21 when cleaning is not required.

[0023] The lower edge of the conical support frame 27 is fixed with a side bracket 11 on one side, and the end of the side bracket 11 is provided with a cleaning scraper 12 in contact with the inner surface of the collection bin 16. In this embodiment, the collection bin 16 is a conical hopper, and the cleaning scraper 12 is a linear brush body, one end of which is located on the upper edge of the conical hopper, and the other end extends to the upper end of the ash discharge port 14.

[0024] The top surface of the shell 8 is provided with a first bracket 3 corresponding to the vacuum extraction pipe 1, and the top surface of the shell 8 is provided with a second bracket 23 corresponding to the air charging pipeline 22.

[0025] Working principle:

[0026] In use, flue gas enters the shell 8 through the smoke inlet 9, and clean gas filtered by the filter bag 10 is discharged under the negative pressure of the vacuum extraction pipe 1, some dust falls on the inner surface of the collection bin 16 in the lower part of the shell 8, and some dust adheres to the surface of the filter bag 10.

[0027] When it is needed to clean, open the ash outlet 14 and communicate with the vacuum pipeline 15. Twist the rotary handle 25 to make each jet 20 face the filter bag assembly and be out of the shielding of the flexible shield 21. Start the driving motor 7 to drive the filter bag assembly to rotate through the driving wheel 5 and the driven wheel 4. In the process, the inflation pipeline 22 injects high-pressure cleaning gas flow to the vertical standpipe 19, and each jet 20 on the vertical standpipe 19 sprays cleaning gas flow to the filter bag assembly to clean the dust adhered to the outer surface of the filter bag 10 of the filter bag assembly. In the process of rotating the filter bag assembly, the side bracket 11 and the cleaning scraper 12 are synchronously rotated to clean the dust adhered to the inner surface of the collecting bin 16 by the cleaning scraper 12. Finally, the ash outlet 14 uses the vacuum pipeline to suck out all the dust.

[0028] The above detailed description of the embodiments of the present application is only a preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application should still belong to the scope of the present patent.

Claims

1. A new type of high efficiency bag filter, comprising a housing, a filter bag assembly arranged in the housing, and a collecting bin arranged at the bottom of the housing, characterized in that: The filter bag assembly is composed of a conical support frame with the upper part wide and the lower part narrow, a filter bag wrapped around the outer periphery of the conical support frame, a positioning shaft arranged at the lower end center of the conical support frame, and a hollow shaft arranged at the upper end center of the conical support frame, the shell top is provided with a first bearing seat corresponding to the hollow shaft, the collection bin bottom is provided with an ash discharge port, and the ash discharge port is supported with an inner bearing seat connected with the positioning shaft, the upper end of the hollow shaft is connected with a vacuum pipe through a first rotary joint, a rotary driving mechanism is arranged between the hollow shaft and the shell top surface, a longitudinal stand pipe is arranged on one side of the inner wall of the shell, a plurality of air injection ports facing the filter bag assembly are arranged on the longitudinal stand pipe at intervals along the height direction, a side bracket is fixed to one side of the lower edge of the conical support frame, and a cleaning scraper is arranged at the end of the side bracket and in contact with the inner surface of the collection bin.

2. The novel and efficient bag-type dust collector according to claim 1, characterized in that: A rotary support plate corresponding to the lower end of the longitudinal stand pipe is arranged on the inner wall of the shell, the upper end of the longitudinal stand pipe leads out of the second bearing seat on the shell top surface and is connected with a second rotary joint, the other end of the second rotary joint is connected with an air charging pipeline, a rotary handle is arranged on the pipe segment outside the shell, and a long strip-shaped flexible barrier corresponding to the longitudinal stand pipe is arranged on the inner wall of the shell.

3. The new and efficient baghouse according to claim 1, wherein: The shell top surface is provided with a first bracket corresponding to the vacuum pipe, and a second bracket corresponding to the air charging pipeline.

4. The new and efficient baghouse according to claim 1, wherein: The cleaning scraper is a linear brush body, one end of which is located on the conical chute upper edge, and the other end extends to the upper end of the ash discharge port.

5. The novel and efficient bag-type dust collector according to claim 1, characterized in that: The rotary driving mechanism includes a driven wheel fixed to the hollow shaft on the shaft segment outside the shell, a driving motor fixed to the shell top surface, and a driving wheel fixed to the output shaft of the driving motor and engaged with the driven wheel.

6. The novel and efficient bag-type dust collector according to claim 1, characterized in that: A plurality of support ribs are arranged between the outer ring of the inner bearing seat and the ash discharge port.

7. The new and efficient baghouse according to claim 1, wherein: An air inlet is arranged on the upper side wall of the shell.

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