CN210097193U - Pulse bag type dust collector - Google Patents

Abstract

The utility model relates to a dust collecting equipment technical field specifically discloses pulse bag collector, including the dust removal box, fan and pulse recoil device, including filter chamber and air-purifying chamber in the dust removal box, filter chamber and air-purifying chamber are through the filter bag intercommunication that is equipped with, be located and be equipped with feed inlet and bin outlet on the dust removal box of filter chamber, be equipped with the pivot in the filter chamber, the pivot is rotated and is connected on the dust removal box, a plurality of cams of fixedly connected with in the pivot, be connected with first elastic component between filter bag and the dust removal box, be connected with the second elastic component between the adjacent filter bag, the cam can offset with first elastic component or second elastic component, the internal installation of dust removal box is used for the skeleton that the filter bag struts, the filter bag internal. This scheme is through setting up pivot, cam, first elastic component and second elastic component, has solved the problem that dust removal ability descends after the dust remover deashing among the prior art.

Description

Pulse bag filter

technical field

The utility model relates to the technical field of dust removal equipment, in particular to a pulse bag type dust collector.

Background technique

With the development of modern industry, the pollution of dust to the environment is becoming more and more serious. It has become the consensus of the Chinese people to control the pollution of dust and purify the living environment of human beings. In order to maintain a clean production environment, it is necessary to clean up the dust-contaminated places at any time. At present, the pulse bag filter used in the process of the dust collector, with the progress of dust removal, the filter bag of the dust collector will slowly Adhesion to the upper layers of dust will reduce the dust removal efficiency over time. Therefore, the surface of the filter bag is often cleaned according to different usage conditions in order to restore a good dust removal effect. Usually, the back blowing device of the pulse bag filter can directly spray the inner surface of the filter bag to achieve the cleaning effect of the filter bag, but only rely on the wind to blow the inner surface of the filter bag, so that the dust on the outer surface of the filter bag Falling, often the effect is not very good, there is still a lot of dust attached to the mesh of the filter bag, resulting in the dust removal ability of the dust collector is not as good as before.

Utility model content

The purpose of the utility model is to provide a pulse bag type dust collector to solve the problem of the dust removal ability of the dust collector caused by only relying on the backflushing device to achieve the dust cleaning effect on the filter bag in the prior art, and cannot clean the dust on the outer surface of the filter bag. falling problem.

In order to achieve the above object, the basic scheme of the present utility model is as follows:

The pulse bag type dust collector includes a dust removal box, a fan and a pulse recoil device. The dust removal box includes a filter room and a clean air room. The filter room and the clean air room are connected through the provided filter bag. The dust removal box located in the filter room There is a feeding port and a discharging port on it, a rotating shaft is arranged in the filter chamber, the rotating shaft is rotatably connected to the dust removal box, a number of cams are fixedly connected to the rotating shaft, and a first elastic piece is connected between the filter bag and the dust removal box. A second elastic member is connected between the adjacent filter bags, the cam can be abutted against the first elastic member or the second elastic member, and the skeleton used to open the filter bag is installed in the dust removal box, and the inner diameter of the filter bag is larger than the outer diameter of the skeleton.

Technical principles and beneficial effects:

After the pulse bag filter works normally for a period of time, the dust on the outer surface of the filter bag accumulates more and more, and the dust removal capacity of the filter bag decreases. At this time, the pulse recoil device is activated, so that the pulse recoil device is ejected into the filter bag. Gas, dust on the outer surface of the filter bag is blown off to achieve the purpose of cleaning. In the process of cleaning the dust, the shaft is manually rotated to drive the cam to rotate, and the outer contour of the cam hits the first rubber rope and the second rubber rope, so that the first rubber rope and the second rubber rope lightly drive the filter bag. Vibration, in severe cases, drives the filter bag to swing. During the vibration or swing of the filter bag, the dust on the filter bag that is difficult to be blown out by the gas is shaken off. Compared with the prior art, this solution can shake off the dust that is difficult to remove on the filter bag. , so that the cleaning effect is better, thereby ensuring that the dust removal effect of the dust collector does not change.

Further, there is a corresponding cam under each of the first elastic member or the second elastic member, the cam is disk-shaped, and the contour lines of adjacent cams do not overlap on the projection along the axial direction of the rotating shaft.

Beneficial effect: the outer contours of adjacent cams do not overlap, so that when one of the cams abuts against the first elastic member (hit the first elastic member), the adjacent cams can not abut against the second elastic member, thereby making the filter bag Swing to the side of the first elastic member; on the contrary, the filter bag swings to the side of the second elastic member, the shaft rotates continuously, and the cam intermittently abuts against the first elastic member and the second elastic member, so that the filter bag continuously swings left and right.

Further, the first elastic member and the second elastic member are both rubber cords.

Beneficial effect: The rubber rope has high wear resistance, so it is more suitable for use inside the dust collector.

Further, the rotating shaft is driven by a motor. Driven by the motor, making the rotation of the shaft more convenient

Further, the filter chamber is also provided with a filter screen, and a third elastic member is connected between the filter screen and the dust removal box, and the cam can abut against the filter screen.

Beneficial effects: When the pulse bag filter is working normally, the mesh of the filter screen is large, which can block the light weight but large volume sundries, and prevent such sundries from rising to the outer surface of the filter bag with the airflow. This affects the dust removal effect.

In the process of the cam hitting the first rubber rope and the second rubber rope, the cam is also hitting the filter screen continuously, and the filter screen shakes up and down under the combined action of the cam and the spring, thereby removing the debris and dust attached to the filter screen. Shake off to clean the filter.

Further, the third elastic member is a spring.

Beneficial effects: the purchase of the spring is simple and the cost is low.

Further, the clean air chamber is provided with an air outlet, and an activated carbon plate is arranged on the air outlet.

Beneficial effects: At the same time of dust removal, the activated carbon plate is used to remove the peculiar smell of the filtered air.

Further, the feed port is connected with a suction arm.

Beneficial effect: After using the suction arm, the suction arm can only be moved to absorb the dust-containing gas at different positions near the dust collector without moving the dust removal box, which is easy to operate. Wide range of dust removal.

Further, the bottom of the filter chamber is in the shape of a funnel, so that the debris in the dust-laden gas can fall.

Further, casters are provided at the bottom of the dust removal box. It is convenient for the pulse bag filter to move to other places for dust removal.

Description of drawings

Fig. 1 is the front view of the first embodiment of the present utility model;

FIG. 2 is a front view of the second embodiment of the present invention.

Detailed ways

The following is further described in detail by specific embodiments:

The reference signs in the accompanying drawings include: dust removal box 1, installation chamber 2, clean air chamber 3, filter chamber 4, filter bag 5, feed port 6, discharge port 7, suction arm 8, casters 9, The rotating shaft 10 , the motor 11 , the cam 12 , the first rubber rope 13 , the second rubber rope 14 , the frame 15 , the filter screen 16 , and the spring 17 .

Example 1

Embodiment 1 is basically as shown in accompanying drawing 1:

The pulse bag filter includes a dust removal box 1, a fan and a pulse recoil device. The dust removal box 1 includes an installation chamber 2, a clean air chamber 3 and a filter chamber 4 in sequence from top to bottom. The fan is installed in the installation chamber through bolts. 2. The pulse recoil device is installed in the clean air chamber 3 through screws; the filter chamber 4 and the clean air chamber 3 are connected through the installed filter bag 5 (the filter bag 5 is a cloth bag), and the number of filter bags 5 is four, four The filter bags 5 are arranged in two rows and two columns; the clean air chamber 3 is provided with an air outlet, and an activated carbon plate is installed on the air outlet; An ash hopper is installed below the material port 7, and a suction arm 8 is installed on the material inlet 6; the bottom of the filter chamber 4 is funnel-shaped, and the bottom of the dust removal box 1 is provided with casters 9, which are universal wheels.

Each row of filter bags 5 in the filter chamber 4 is provided with a rotating shaft 10, the outer wall of the dust removal box 1 is fixedly connected with a motor 11 by bolts, and the rotating shaft 10 and the output shaft of the motor 11 are connected by a coupling; the rotating shaft 10 is connected by a bearing It is rotatably connected to the dust removal box 1, and each rotating shaft 10 is connected with three cams 12. The cams 12 are all disk-shaped. A first rubber rope 13 is connected between the filter bag 5 and the dust removal box 1. A second rubber cord 14 is connected between the bags 5 , and there is a corresponding cam 12 under the first rubber cord 13 or the second rubber cord 14 , and the cam 12 can abut against the first rubber cord 13 or the second rubber cord 14 , adjacent to The contour lines of the cam 12 do not overlap in the projection along the axial direction of the rotating shaft 10. The skeleton 15 used to open the filter bag 5 is installed in the dust removal box 1. The inner diameter of the filter bag 5 is larger than the outer diameter of the skeleton 15, which is a filter bag. The left and right swing of the 5 provides space.

The specific implementation process is as follows:

When the pulse bag filter is working normally, both the filter chamber 4 and the clean air chamber 3 are in a negative pressure state under the action of the fan, and the airflow that forms a negative pressure flows from the filter chamber 4 to the clean air chamber 3; The suction arm 8 and the feed port 6 enter the filter chamber 4, and a part of the heavier debris falls into the ash hopper through the discharge port 7 under the action of inertia and gravity, and the rest of the dust particles rise to the outside of the filter bag 5 with the airflow. On the surface of the filter bag 5, the dust particles are retained on the outer surface of the filter bag 5, and the purified gas enters the clean air chamber 3 through the filter bag 5, and then is discharged from the exhaust port of the clean air chamber 3, so as to achieve the purpose of dust removal.

As the filtration continues, the dust on the outer surface of the filter bag 5 accumulates more and more, and the dust removal capacity of the filter bag 5 decreases. At this time, the pulse recoil device is activated, so that the pulse recoil device ejects gas into the filter bag 5, filtering The dust on the outer surface of the bag 5 is blown off to achieve the purpose of cleaning the dust.

During the cleaning process, the motor 11 is manually activated to rotate the shaft 10, which drives the cam 12 to rotate. And the second rubber rope 14 drives the filter bag 5 to vibrate, and the outer contours of the adjacent cams 12 do not overlap, so when the left cam 12 and the left first rubber rope 13 abut (hit the left first rubber rope 13) when , the adjacent cams 12 can not be in contact with the second rubber rope 14 in the middle, thereby causing the filter bag 5 to swing to the left; on the contrary, the filter bag 5 swings to the right; The rubber rope 13 and the second rubber rope 14 are in contact with each other, so that the filter bag 5 continuously swings left and right; during the vibration or swing of the filter bag 5, the dust on the filter bag 5 that is difficult to be blown out by the gas is shaken off, so that the cleaning effect is better. .

Embodiment 2

The first embodiment is basically as shown in FIG. 2 , and the second embodiment is improved on the basis of the first embodiment. A spring 17 is connected between them, the spring 17 forms a support for the filter screen 16, and the cam 12 can abut against the filter screen 16.

The specific implementation process is as follows:

When the pulse bag filter is working normally, the mesh of the filter screen 16 is relatively large, which is used to block the light weight but large volume debris, so as to prevent such debris from rising to the outer surface of the filter bag 5 with the airflow. This affects the dust removal effect.

When the motor 11 starts and the cam 12 hits the first rubber rope 13 and the second rubber rope 14, the cam 12 also hits the filter screen 16 continuously, and the filter screen 16 moves up and down under the combined action of the cam 12 and the spring 17. Shake, and then shake off the sundries and dust adhering to the filter screen 16 , and play the role of cleaning the filter screen 16 .

The above descriptions are only the embodiments of the present invention, and the common knowledge such as the well-known specific structures and characteristics in the solutions are not described too much here. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present utility model, several deformations and improvements can also be made, which should also be regarded as the protection scope of the present utility model, and these will not affect the present utility model. The effect of the implementation of the new model and the practicability of the patent. The scope of protection claimed in this application shall be based on the content of the claims, and the descriptions of the specific implementation manners in the description can be used to interpret the content of the claims.

Claims (10)

1. Pulse bag filter, including a dust removal box, a fan and a pulse recoil device. The dust removal box includes a filter chamber and a clean air chamber. The filter chamber and the clean air chamber are connected through the provided filter bag, and the dust removal located in the filter chamber. The box body is provided with a feeding port and a discharging port, which is characterized in that: a rotating shaft is arranged in the filter chamber, the rotating shaft is rotatably connected to the dust removal box body, a number of cams are fixedly connected to the rotating shaft, and a filter bag is connected to the dust removal box body. The first elastic piece, the second elastic piece is connected between the adjacent filter bags, the cam can be abutted against the first elastic piece or the second elastic piece, the skeleton used to open the filter bag is installed in the dust removal box, and the inner diameter of the filter bag is larger than that of the skeleton the outer diameter. 2 . The pulse bag filter according to claim 1 , wherein there is a corresponding cam under each of the first elastic member or the second elastic member, the cam is in the shape of a disk, and the contour lines of the adjacent cams are formed. 3 . The projections along the axial direction of the axis of rotation do not coincide. 3 . The pulse bag filter according to claim 2 , wherein the first elastic member and the second elastic member are rubber ropes. 4 . 4. The pulse bag filter according to claim 3, wherein the rotating shaft is driven by a motor. 5 . The pulse bag filter according to claim 4 , wherein the filter chamber is further provided with a filter screen, a third elastic member is connected between the filter screen and the dust removal box, and the cam can be offset against the filter screen. 6 . . 6 . The pulse bag filter according to claim 5 , wherein the third elastic member is a spring. 7 . 7 . The pulse bag filter according to claim 1 , wherein the clean air chamber is provided with an air outlet, and an activated carbon plate is arranged on the air outlet. 8 . 8. The pulse bag filter according to claim 1, wherein a suction arm is connected to the feed port. 9 . The pulse bag filter according to claim 1 , wherein the bottom of the filter chamber is funnel-shaped. 10 . 10 . The pulse bag filter according to claim 1 , wherein the bottom of the dust box is provided with casters. 11 .

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