Compressor air filter element blowing and dust filtering device and using method thereof

Abstract

The invention relates to the technical field of compressor air filter element dust removal, in particular to a compressor air filter element blowing and dust filtering device and a using method thereof, an air source distributor is arranged outside a shell of the blowing and dust filtering device, the air source distributor is provided with an air inlet and a plurality of air outlets, the air inlet is connected with an external air source, and the air outlet is connected with an air outlet. The plurality of air outlets are respectively connected with one air supply pipe; the purging air pipe is arranged in the compressor air filter element, and the purging air pipe and the compressor air filter element are coaxial; the auxiliary purging air pipe is arranged in the purging dust filtering device shell, and the auxiliary purging air pipe is arranged outside the compressor air filter element; and the purging air pipe and the auxiliary purging air pipe are respectively connected with the air supply pipe. A coaxial rotating blowing structure is adopted, the air filter element of the compressor rotates at a constant speed under the driving of the speed reducing motor, and 360-degree dead-corner-free cleaning of the air filter element of the compressor is achieved in cooperation with the combined blowing design of the internal coaxial blowing air pipe and the external auxiliary air pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of compressor air filter element dust cleaning, in particular to a compressor air filter element purging and dust filtering device and a use method thereof. BACKGROUND

[0002] In the operation of the compressor air filtering system, the compressor air filter element, as the core component for intercepting dust and impurities, is subjected to high-speed airflow impact and particle accumulation for a long time, resulting in a significant increase in air inlet resistance, a decrease in filtering efficiency, and further causing problems such as increased energy consumption of the compressor and shortened equipment life. The traditional maintenance of the compressor air filter element relies on an open purging process, which has three major technical defects: first, the open purging leads to secondary diffusion of dust, which not only pollutes the working environment but also increases the load of subsequent dust removal equipment and the cost of environmental protection management of enterprises; second, the compressor air filter element has a cleaning blind area under static purging, and the residual particles on the surface of the filter paper accelerate the aging of the filter material, resulting in less than 10 times of repeated use of the compressor air filter element, and the annual replacement cost accounts for more than 30% of the total equipment maintenance cost; third, the equipment needs to be shut down for more than 8 hours during the purging process, which seriously affects the production capacity of continuous production enterprises. Although the existing technology attempts to increase the strength of the support structure of the compressor air filter element or optimize the filter paper material to extend the service life, it does not solve the problems of dust leakage and incomplete cleaning during the purging process. SUMMARY

[0003] In view of the incomplete cleaning and dust leakage of the compressor air filter element in the existing technology, the present application provides a compressor air filter element purging and dust filtering device and a use method thereof.

[0004] To achieve the above-mentioned purpose, the technical solution of the present application is as follows:

[0005] A compressor air filter element purging and dust filtering device, comprising a purging and dust filtering device housing, a compressor air filter element, a blowing device, a filter element rotating device, a dust suction device, and a dust collecting device;

[0006] The compressor air filter element is arranged inside the purging and dust filtering device housing; the blowing device comprises a gas supply pipe and a purging pipe; the dust suction device is used to discharge dust in the purging and dust filtering device housing, and the dust suction device is connected to the dust collecting device;

[0007] The filter core rotating device comprises a speed reducer motor, a hollow output shaft, a filter core rotating disc, a spring pressure disc, a thrust bearing and a deep groove ball bearing; the speed reducer motor is arranged at the bottom of the purging and dust filtering device shell, and the output end of the speed reducer motor is the hollow output shaft; the filter core rotating disc is arranged at the bottom of the compressor air filter core, the bottom of the filter core rotating disc is provided with a hollow rotating shaft, the hollow rotating shaft penetrates through the hollow output shaft, and the hollow output shaft and the hollow rotating shaft are fixed through a fastening device, the hollow output shaft and the hollow rotating shaft are coaxial with the compressor air filter core; the air feeding pipe penetrates through the hollow rotating shaft and the filter core rotating disc, the lower end of the hollow output shaft is provided with the thrust bearing, the inner ring of the thrust bearing is matched with a shaft sleeve, the shaft sleeve is arranged outside the air feeding pipe, and the outer ring of the thrust bearing is matched with the hollow output shaft; the bearing seat is fixed on the filter core rotating disc, the deep groove ball bearing is arranged on the bearing seat, and the bearing seat is matched with the outer ring of the deep groove ball bearing; a matching shaft is arranged at the connection position of the air feeding pipe and the purging pipe, and the matching shaft is matched with the inner ring of the deep groove ball bearing; the spring pressure disc is arranged at the top of the compressor air filter core, and a bearing is arranged between the spring pressure disc and the cover plate at the top of the purging and dust filtering device shell.

[0008] Further, the blowing device further comprises a gas source distributor and an auxiliary purging pipe; the gas source distributor is arranged outside the purging and dust filtering device shell, the gas source distributor is provided with one air inlet and a plurality of air outlets, the air inlet is connected with an external gas source, and the plurality of air outlets are respectively connected with one air feeding pipe; the purging pipe is arranged inside the compressor air filter core, and the purging pipe is coaxial with the compressor air filter core; the auxiliary purging pipe is arranged inside the purging and dust filtering device shell, and the auxiliary purging pipe is arranged outside the compressor air filter core; the purging pipe and the auxiliary purging pipe are respectively connected with the air feeding pipe; the surface of the purging pipe is provided with a blowing air hole, the surface of the auxiliary purging pipe facing the compressor air filter core is provided with a blowing air hole; and each air feeding pipe is provided with a flow regulating valve.

[0009] Further, the dust collecting device comprises a gas supplementing port, a spoiler, a negative pressure fan and a dust outlet; the dust outlet is arranged at the upper part of the purging and dust filtering device shell, the gas supplementing port is arranged at the bottom of the purging and dust filtering device shell, the dust outlet is provided with a spoiler, and the dust outlet is connected with the input end of the negative pressure fan.

[0010] Further, the dust collecting device comprises a cloth bag dust collector, and the cloth bag dust collector is connected with the output end of the negative pressure fan.

[0011] Further, the bottom of the purging and dust filtering device shell is provided with a motor fixing support, and the speed reducer motor is fixed on the motor fixing support.

[0012] Further, the edge of the filter element rotating disc is provided with a limiting plate.

[0013] Further, an auxiliary support structure is arranged on the filter element rotating disc.

[0014] The application also comprises the following technical solutions:

[0015] A use method of the compressor air filter element blowing and dust filtering device, comprising the following steps:

[0016] S1, opening the cover plate, vertically arranging the compressor air filter element on the filter element rotating device, and closing the cover plate;

[0017] S2, opening the external compressed air, the compressed air entering the air source distributor, the air source distributor dividing the compressed air into multiple air flows, the air flows entering different air conveying pipes respectively, and finally entering the blowing pipe and the auxiliary blowing pipe and being sprayed from the blowing holes;

[0018] S3, starting the speed reducer motor, and rotating the compressor air filter element under the action of the rotating compressor air filter element device;

[0019] S4, the gas sprayed from the blowing pipe and the auxiliary blowing pipe stripping the dust on the compressor air filter element;

[0020] S5, starting the negative pressure fan, supplementing the gas through the air supplementing port, ensuring the dust suction efficiency of the negative pressure fan, and controlling the flow direction and flow rate of the dust-containing gas through the negative pressure fan through the spoiler;

[0021] S6, the bag-type dust collector recycling the dust-containing gas flowing out from the negative pressure fan.

[0022] Compared with the prior art, the application has the following beneficial effects:

[0023] The application provides a compressor air filter element blowing and dust filtering device, which adopts a coaxial rotating blowing structure, the compressor air filter element rotates at a constant speed under the driving of a speed reducer motor, and is combined with the combined blowing design of the internal coaxial blowing pipe and the external auxiliary pipe, so that the compressor air filter element is cleaned without dead angle at 360 degrees, and the blowing efficiency is greatly improved; the blowing and dust filtering device housing and the negative pressure dust collecting system form an air flow closed loop, the blown dust is discharged into the dust collecting bag, and the problem of secondary dust pollution caused by open blowing is avoided; the filter element rotating disc, the spring pressure disc, the limiting plate and the bearing are arranged, so that the compressor air filter element rotates without obstruction and is clamped without deviation; the thrust bearing and the deep groove ball bearing are arranged, so that the blowing pipe stably sprays and blows. BRIEF DESCRIPTION OF DRAWINGS

[0024] The embodiments of the present application will be further described below with reference to the drawings, in which:

[0025] Figure 1 A structure schematic view of an embodiment of the air filter core purging and dust collecting device of the compressor is shown;

[0026] Figure 2 A sectional view of an embodiment of the air filter core purging and dust collecting device of the compressor is shown;

[0027] Figure 3 A side view of an embodiment of the air filter core purging and dust collecting device of the compressor is shown;

[0028] Figure 4 A structure schematic view of Figure 2 is shown;

[0029] Figure 5 A structure schematic view of Figure 2 is shown;

[0030] Figure 6 A structure schematic view of Figure 2 is shown;

[0031] Figure 7 A structure schematic view of an embodiment of the air filter core purging and dust collecting device, the negative pressure fan and the bag-type dust collector is shown;

[0032] The figure marks: 101-air source distributor, 102-air feeding pipe, 103-purging pipe, 104-assistant purging pipe, 105-flow regulating valve, 201-reduction motor, 202-motor fixing support, 203-hollow output shaft, 204-filter core rotating disc, 205-cover plate, 206-spring pressure disc, 207-limiting plate, 208-thrust bearing, 209-shaft sleeve, 210-deep groove ball bearing, 211-assistant support structure, 212-bearing seat, 213-matching shaft, 301-air supplementing port, 302-turbolator, 303-negative pressure fan, 304-dust discharging port, 401-bag-type dust collector. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings. It should be understood that the specific embodiments described here are only used to explain the present application, and are not used to limit the present application.

[0034] Reference is made to the drawings Figures 1-7 An air filter core purging and dust collecting device of the compressor, comprising a purging and dust collecting device shell, a compressor air filter core, a blowing device, a filter core rotating device, a dust collecting device and a dust collecting device.

[0035] The compressor air filter element is arranged inside the purging and dust filtering device shell; the blowing device comprises air feeding pipes 102 and purging pipes 103; the dust suction device is used for discharging dust in the purging and dust filtering device shell, and the dust suction device is connected to the dust collecting device;

[0036] The filter element rotating device comprises a speed reducer 201, a hollow output shaft 203, a filter element rotating disc 204, a spring pressing disc 206, a thrust bearing 208 and a deep groove ball bearing 210; the speed reducer 201 is arranged at the bottom of the purging and dust filtering device shell, and the output end of the speed reducer 201 is the hollow output shaft 203; the filter element rotating disc 204 is arranged at the bottom of the compressor air filter element, the bottom of the filter element rotating disc 204 is provided with a hollow rotating shaft, the hollow rotating shaft penetrates through the hollow output shaft 203, and the hollow output shaft 203 and the hollow rotating shaft are fixed through a fastening device, and the hollow output shaft 203 and the hollow rotating shaft are coaxial with the compressor air filter element; the air feeding pipe 102 penetrates through the hollow rotating shaft and the filter element rotating disc 204, the lower end of the hollow output shaft 203 is provided with the thrust bearing 208, the inner ring of the thrust bearing 208 is matched with a shaft sleeve 209 arranged outside the air feeding pipe 102, and the outer ring of the thrust bearing 208 is matched with the hollow output shaft 203; the filter element rotating disc 204 is fixed with a bearing seat 212, the deep groove ball bearing 210 is arranged on the bearing seat 212, and the bearing seat 212 is matched with the outer ring of the deep groove ball bearing 210; a matching shaft 213 is arranged at the connection position of the air feeding pipe 102 and the purging pipe 103, and the matching shaft 213 is matched with the inner ring of the deep groove ball bearing 210; the top of the compressor air filter element is provided with the spring pressing disc 206, and a bearing is arranged between the spring pressing disc 206 and the cover plate 205 at the top of the purging and dust filtering device shell.

[0037] In an embodiment of the present application, the blowing device further comprises an air source distributor 101 and an auxiliary purging pipe 104; the air source distributor 101 is arranged outside the purging and dust filtering device shell, the air source distributor 101 is provided with one air inlet and a plurality of air outlets, the air inlet is connected to an external air source, and the plurality of air outlets are respectively connected to one air feeding pipe 102; the purging pipe 103 is arranged inside the compressor air filter element, and the purging pipe 103 is coaxial with the compressor air filter element; the auxiliary purging pipe 104 is arranged inside the purging and dust filtering device shell, and the auxiliary purging pipe 104 is arranged outside the compressor air filter element; the purging pipe 103 and the auxiliary purging pipe 104 are respectively connected to the air feeding pipe 102; the surface of the purging pipe 103 is provided with blowing air holes, and the surface of the auxiliary purging pipe 104 facing the compressor air filter element is provided with blowing air holes; each air feeding pipe 102 is provided with a flow regulating valve 105.

[0038] In an embodiment of the present application, the dust suction device comprises a gas supplement port 301, a spoiler 302, a negative pressure fan 303 and a dust outlet 304; the dust outlet 304 is arranged at the upper part of the sweeping dust filtering device shell, the gas supplement port 301 is arranged at the bottom of the sweeping dust filtering device shell, the dust outlet 304 is provided with the spoiler 302, and the dust outlet is connected to the input end of the negative pressure fan 303.

[0039] In an embodiment of the present application, the dust suction device comprises a bag filter 401 connected to the output end of the negative pressure fan 303.

[0040] In an embodiment of the present application, the bottom of the sweeping dust filtering device shell is provided with a motor fixing support 202, and the reduction motor 201 is fixed on the motor fixing support 202.

[0041] In an embodiment of the present application, the edge of the filter element rotating disc 204 is provided with a limiting plate 207.

[0042] In an embodiment of the present application, the filter element rotating disc 204 is provided with an auxiliary support structure 211, when the length of the compressor air filter element is insufficient to make the upper surface thereof in contact with the spring pressure plate 206, the auxiliary support structure 211 is added below the compressor air filter element to make the upper surface of the compressor air filter element in contact with the spring pressure plate 206.

[0043] A use method of the above-mentioned compressor air filter element sweeping dust filtering device, comprising the following steps:

[0044] S1, opening the cover plate 205, vertically arranging the compressor air filter element on the filter element rotating device, and closing the cover plate 205;

[0045] S2, opening the external compressed air, the compressed air entering the air source distributor 101, the air source distributor 101 dividing the compressed air into multiple air streams, the air streams entering different air conveying pipes 102 respectively, and finally entering the sweeping air pipe 103 and the auxiliary sweeping air pipe 104 and being sprayed from the blowing air holes;

[0046] S3, starting the reduction motor 201, and rotating the compressor air filter element under the action of the rotating compressor air filter element device;

[0047] S4, the gas sprayed from the sweeping air pipe 103 and the auxiliary sweeping air pipe 104 stripping the dust on the compressor air filter element;

[0048] S5, starting the negative pressure fan 303, supplementing the gas through the gas supplement port 301 to ensure the dust suction efficiency of the negative pressure fan 303, and controlling the flow direction and flow rate of the dust-containing gas through the negative pressure fan 303 through the spoiler 302;

[0049] S6, the bag filter 401 recycling the dust-containing gas flowing out from the negative pressure fan 303.

[0050] Reference is made to the accompanying drawings Figures 4-6 , the hollow output shaft 203 and the filter element rotating disc 204 are fixed by the fastening device, so that the filter element rotating disc 204 can rotate with the hollow output shaft 203, and in turn drive the compressor air filter element on the filter element rotating disc to rotate; the setting of the thrust bearing 208 and the deep groove ball bearing 210 makes the air supply pipe 102 and the purge pipe 103 not rotate with the hollow output shaft 203 and the filter element rotating disc 204; the setting of the rotating compressor air filter element and the non-rotating purge pipe 103 realizes 360° dead angle cleaning of the compressor air filter element. The spring pressure plate 206 is provided with a spring, which provides downward pressure to press the compressor air filter element, so that a frictional force is formed between the compressor air filter element and the filter element rotating disc, thereby enabling the filter element rotating disc to drive the compressor air filter element to rotate, and the pressure provided by the spring pressure plate 206 can also prevent the compressor air filter element from deviating during rotation. During the rotation of the compressor air filter element, the spring pressure plate 206 will also rotate under the action of the frictional force, and a bearing is arranged between the spring pressure plate 206 and the cover plate 205, which can reduce the rotational resistance of the spring pressure plate 206 when the compressor air filter element rotates.

[0051] In use, the reduction motor 201 is started, the hollow output shaft 203 of the reduction motor 201 rotates, drives the filter element rotating disc 204, and in turn drives the compressor air filter element to rotate; the compressor air filter element is provided with a purge pipe 103 inside, and the thrust bearing 208 and the deep groove ball bearing 210 are used to ensure that the purge pipe 103 can stably perform the purging operation. The limiting plate 207 is arranged at the edge of the filter element rotating disc, and the spring pressure plate 206 is arranged at the top of the compressor air filter element, so as to ensure that the compressor air filter element rotates around the center and does not deviate radially.

[0052] The purge pipe 103 and the auxiliary purge pipe 104 spray high-speed gas through the surface gas injection holes according to the situation, so as to realize the purging of the compressor air filter element. The purge pipe 103 disperses high-speed gas near the inner surface of the compressor air filter element, separates the dust on the surface of the compressor air filter element, and realizes efficient purging of the compressor air filter element; the auxiliary purge pipe 104 disperses high-speed gas near the outer surface of the compressor air filter element, assists in separating the dust on the surface of the compressor filter element, and realizes efficient purging of the compressor air filter element.

[0053] The application provides a kind of compressor air filter core purging dust device, adopt coaxial rotation purging structure, compressor air filter core is driven under the deceleration motor at uniform speed rotation, cooperate inside coaxial blowing pipe and the combined type blowing design of external auxiliary air pipe, realize compressor air filter core 360 ° dead angle cleaning, greatly improve the purging efficiency;Purging dust device shell and negative pressure dust collection system form airflow closed loop, dust blown out is discharged into dust collection bag, avoid the problem of open type purging secondary dust pollution;Filter core rotating disc, spring pressure disc, limit plate and bearing setting make compressor air filter core rotation without obstruction while ensuring compressor air filter core clamping without deviation;Thrust bearing and deep groove ball bearing setting ensure that blowing pipe stable jet purging;The device purging efficiency is high, purging effect is good, can effectively reduce the replacement frequency of compressor air filter core, reduce maintenance cost.

[0054] Some example embodiments of the application are described above, it can be understood that the above-mentioned embodiments are only used to explain the application, and do not constitute a limitation on the scope of protection of the application. The features in these embodiments can be recombined in a suitable manner, and the schemes obtained thereby are still within the scope of protection required by the application. Based on the above-mentioned embodiments, all other embodiments obtained by those skilled in the art without creative labor, i.e. all modifications, equivalent replacements and improvements, etc. made within the spirit and principles of the present application, are also within the scope of protection required by the application.

Claims

1. A compressor air filter element purge dust filtering device, characterized in that: It includes a dust purge filter housing, a compressor air filter element, a blowing device, a filter element rotating device, a dust suction device and a dust collecting device; The compressor air filter element is arranged inside the housing of the purge dust filter device; the blowing device comprises an air supply pipe (102) and a purge air pipe (103); the dust suction device is used to discharge dust in the housing of the purge dust filter device, and the dust suction device is connected to the dust collecting device; The filter element rotating device comprises a reduction motor (201), a hollow output shaft (203), a filter element turntable (204), a spring pressure plate (206), a thrust bearing (208) and a deep groove ball bearing (210); the reduction motor (201) is arranged at the bottom of the dust purge filter housing, and the output end of the reduction motor (201) is the hollow output shaft (203); the filter element turntable (204) is arranged at the bottom of the compressor air filter element, and a hollow rotating shaft is provided at the bottom of the filter element turntable (204), and the hollow rotating shaft passes through the hollow output shaft (203), and the hollow output shaft (203) and the hollow rotating shaft are fixed by a fastening device, and the hollow output shaft (203) and the hollow rotating shaft are both coaxial with the compressor air filter element; the air supply pipe (102) passes through the hollow rotating shaft and the filter element turntable (204), and the lower end of the hollow output shaft (203) is provided with a hollow rotating shaft. The thrust bearing (208) is provided, the inner ring of the thrust bearing (208) cooperates with the shaft sleeve (209), the shaft sleeve (209) is arranged outside the air supply pipe (102), and the outer ring of the thrust bearing (208) cooperates with the hollow output shaft (203); a bearing seat (212) is fixed on the filter element turntable (204), the deep groove ball bearing (210) is provided on the bearing seat (212), and the bearing seat (212) The air supply pipe (102) and the purge air pipe (103) are connected to each other at a joint provided with a matching shaft (213), and the matching shaft (213) matches the inner ring of the deep groove ball bearing (210); the top of the compressor air filter element is provided with the spring pressure plate (206), and a bearing is provided between the spring pressure plate (206) and the cover plate (205) on the top of the purge dust filter housing.

2. A compressor air filter element purge dust filtering device according to claim 1, characterized in that: The blowing device further comprises an air source distributor (101) and an auxiliary purge air pipe (104); the air source distributor (101) is arranged outside the housing of the purge dust filter device, the air source distributor (101) is provided with an air inlet and a plurality of air outlets, the air inlet is connected to an external air source, and the plurality of air outlets are respectively connected to one of the air supply pipes (102); the purge air pipe (103) is arranged inside the compressor air filter element, and the purge air pipe (103) is coaxial with the compressor air filter element; the auxiliary The purge air pipe (104) is arranged inside the shell of the purge dust filter device, and the auxiliary purge air pipe (104) is arranged outside the compressor air filter element; the purge air pipe (103) and the auxiliary purge air pipe (104) are respectively connected to the air supply pipe (102); the surface of the purge air pipe (103) is provided with a spraying air hole, and the surface of the auxiliary purge air pipe (104) facing the compressor air filter element is provided with a spraying air hole; each of the air supply air pipes (102) is provided with a flow regulating valve (105).

3. A compressor air filter element purge dust filtering device according to claim 2, characterized in that: The dust collecting device comprises an air supply port (301), a spoiler (302), a negative pressure fan (303) and a dust outlet (304); the dust outlet (304) is arranged at the upper part of the shell of the purge and dust filtering device, the air supply port (301) is arranged at the bottom of the shell of the purge and dust filtering device, the dust outlet (304) is provided with a spoiler (302), and the dust outlet is connected to the input end of the negative pressure fan (303).

4. A compressor air filter element purge dust filtering device according to claim 3, characterized in that: The dust collecting device comprises a bag dust collector (401), and the bag dust collector (401) is connected to the output end of the negative pressure fan (303).

5. The compressor air filter element purge dust filtering device according to claim 1, characterized in that: A motor fixing bracket (202) is provided at the bottom of the dust purge filter housing, and the reduction motor (201) is fixed on the motor fixing bracket (202).

6. A compressor air filter element purge dust filtering device according to claim 1, characterized in that: A limiting plate (207) is provided on the edge of the filter element turntable (204).

7. The compressor air filter element purge dust filtering device according to claim 1, characterized in that: An auxiliary support structure (211) is provided on the filter element turntable (204).

8. A method for using the compressor air filter element purge dust filter device according to claim 4, characterized in that: The following steps are involved: S1. Open the cover plate (205), vertically set the compressor air filter element on the filter element rotating device, and cover the cover plate (205); S2. Open the external compressed air, and the compressed air enters the air source distributor (101). The air source distributor (101) divides the compressed air into multiple air streams, which enter different air supply pipes (102) respectively, and finally enter the purge air pipe (103) and the auxiliary purge air pipe (104) and are ejected from the blowing holes; S3, starting the reduction motor (201), and the compressor air filter element rotates under the action of the compressor air filter element rotating device; The gas ejected from S4, the purge air pipe (103) and the auxiliary purge air pipe (104) removes the dust on the compressor air filter element; S5, start the negative pressure fan (303), add gas to the gas supply port (301), ensure the dust collection efficiency of the negative pressure fan (303), and control the flow direction and flow rate of the dust-laden gas through the negative pressure fan (303) through the spoiler (302); S6. The bag dust collector (401) recovers the dust-laden gas flowing out from the negative pressure fan (303).

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