CN218046954U

CN218046954U - Bag-type dust collector with good dust removal performance

Info

Publication number: CN218046954U
Application number: CN202222369190.7U
Authority: CN
Inventors: 张成子; 彭扬东; 彭建斌; 李海峰; 桂树强
Original assignee: MCC Wukan Engineering Technology Co Ltd
Current assignee: MCC Wukan Engineering Technology Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-16
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a sack cleaner that dust removal nature is good. The bag-type dust collector comprises an upper box body provided with an air outlet pipe, a middle box body provided with an air inlet pipe, a lower box body provided with a dust exhaust port, a plurality of filter bags positioned in the box body and a back blowing assembly, wherein a partition plate is arranged between the upper box body and the middle box body, the filter bags are arranged in filter bag mounting holes in the partition plate, air inlets of the filter bags are positioned at the lower part of the middle box body, and air outlets of the filter bags are positioned in the upper box body; the back blowing assembly is positioned above the partition plate and is provided with a plurality of air blowing ports which correspond to the air outlets of the filter bags one by one; the baffle is arranged below the partition plate and located between the filter bags and the air inlet pipe, the inner side of each filter bag is provided with a limiting frame, the outer side of each filter bag is provided with a clamping ring, and the adjacent two clamping rings and the clamping rings are connected with the baffle through transverse columns. The utility model discloses it is effective carry out inside and outside spacing to the filter bag to restriction filter bag shrinkage expansion ratio, make to blow damage reduction to the filter bag of reciprocating of dirt and deashing, effectively reduce the filter bag surface area ash volume.

Description

Bag-type dust collector with good dust removal performance

Technical Field

The utility model relates to a dust remover technical field, concretely relates to sack cleaner that dust removal nature is good.

Background

The bag-type dust collector is a very common dust collecting device in the industrial production process, and belongs to the dry type dust filtering device. The bag-type dust collector is usually suitable for collecting fine, dry and non-fibrous dust, a woven filter cloth or a non-woven felt is arranged in the bag-type dust collector to form a bag, air containing dust is sent into a box body of the dust collector through an air inlet pipe, the air containing the dust passes through the bag, the dust with large particles and large specific gravity falls into an ash bucket due to the sedimentation of gravity, and the dust is blocked when the gas containing the fine dust passes through a filter material, so that the gas is purified.

At present, a bag-type dust collector is used for removing ash by bag-type reverse blowing, wherein the bag-type reverse blowing is to make a main airflow generated by high-pressure pulse air reversely rush through a bag to shake the bag so as to remove dust accumulated on the surface of the bag, and the flaky dust falls into an ash bucket positioned at the lower part of the dust collector and is discharged out of the machine by a discharging device; with the development of technology, the blowback control becomes finer and finer, for example, chinese patent invention CN1000917750A provides a bag dust removing method and device for a bag dust collector, the method includes: detecting the working pressure value inside the box body of the bag-type dust collector in real time; determining a dedusting pressure value according to a working pressure value inside the box body when the bag-type dust remover works and a working pressure value inside the box body before the bag-type dust remover works; and generating a purging instruction based on the dust removal pressure value, so that a bag reverse purging system arranged in the bag-type dust remover performs reverse purging on a bag according to the purging instruction to remove dust from the bag. The invention can improve the bag-type dust removal efficiency and ensure the operation reliability of the bag-type dust remover on the premise of ensuring the service life of the bag, thereby greatly improving the service life and the service efficiency of the bag-type dust remover.

However, the above-mentioned bag-type dust removal method still has the following disadvantages: when dust is accumulated on the surface of the filter bag, the filter bag is compressed to be bent towards the middle under the air pressure, and when dust is removed by back blowing, the filter bag expands and swells under the high pressure; thus, the service life of the filter bag is still reduced after repeated times, and the filter bag is blown; and when the dust content is higher, the back blowing frequency is very high, further damaging the filter bag.

Therefore, in order to solve the above problems, it is necessary to design a bag-type dust collector with reasonable and high-efficiency dust collection performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sack cleaner that dust removal nature is good sets up simply, effectively carries out inside and outside spacing to the filter bag to restriction filter bag shrinkage expansion ratio, makes to blow damage reduction of reciprocating to the filter bag of dirt and deashing, and spacing structure also can drive the filter bag and shake moreover, effectively reduces filter bag surface area ash volume, effectively reduces the blowback frequency, filter bag long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a sack cleaner that dust removal nature is good, includes box, well box, lower box, blowback subassembly and is located a plurality of filter bags of box, upward be equipped with out the tuber pipe on the box, be connected with the air-supply line on the well box, lower box and well box intercommunication to be equipped with dust exhaust mouth, its characterized in that in its bottom: the upper box body and the middle box body are separated by a sealing partition plate, filter bag mounting holes with the same number as the filter bags are formed in the partition plate, the filter bags are mounted in the filter bag mounting holes, the air inlets of the filter bags are positioned at the lower part of the middle box body, and the air outlets of the filter bags are positioned in the upper box body; the back-blowing component is positioned above the partition plate, and a back-blowing pipe of the back-blowing component is provided with a plurality of air blowing ports which are in one-to-one correspondence with the air outlets of the filter bag; a baffle plate is arranged below the partition plate, is positioned between the filter bag and the air inlet pipe and forms an air inlet channel communicated with the air inlet pipe and a plurality of filter bag air inlets in the middle box body; the dust remover is still including setting up at the inboard spacing of every filter bag and setting up the snap ring in every filter bag outside, spacing includes ring body, lower ring body and connects the support column of connecting ring body and lower ring body, the snap ring sets up in the lower part of filter bag, and between two adjacent snap rings and all connect through the spreader between snap ring and the baffle.

The utility model discloses better technical scheme: the upper ring body is fixed at the air outlet end of the filter bag, one side of the upper ring body, which is far away from the lower ring body, is provided with a fixing ring, the outer diameter of the fixing ring is larger than the inner diameter of the filter bag mounting hole, and the fixing ring extends out of the filter bag and is positioned above the partition plate.

The utility model discloses better technical scheme: the baffle is a corrugated tile type plate, and the length of the baffle extends to the air inlet end of the filter bag.

The utility model discloses better technical scheme: the clamping ring is arranged at the position, higher than the lower ring body, of the lower part of the filter bag; and the inner diameter of the clamping ring is equal to the outer diameter of the filter bag.

The utility model discloses better technical scheme: each air outlet on the back flushing pipe is over against the central position of the air outlet of each filter bag.

The utility model discloses better technical scheme: the limiting frame is an integrally formed rigid part and is provided with at least one supporting column; the lower fixing ring of the limiting frame is fixedly arranged at the air inlet end of the filter bag.

The utility model discloses better technical scheme: the air outlet end of the filter bag is positioned between the fixing ring and the partition plate.

The utility model discloses better technical scheme: the inner diameter of the fixing ring is equal to that of the upper ring body, and the outer diameters of the upper ring body 4 and the lower ring body are equal to that of the filter bag.

The fixing ring on the upper part of the limiting frame can bear the whole weight of the limiting frame, so that the weight of the limiting frame can not be shared to the filter bag, and the filter bag is not easy to damage; the upper end of filter bag can also be effectively centre gripping, when preventing that the filter bag from droing, the filter bag of also being convenient for is dismantled and is changed, only needs to pull down spacing, just can change the filter bag, and whole dust remover work efficiency is higher best, and solid fixed ring downside is provided with the function arch, and the upside of division board is provided with the cooperation recess for the function arch can be gone into to cooperation groove, increases frictional force, and when preventing the blowback, the filter bag drops downwards. The baffle plate of the utility model has two functions, one is to shield the entering air from directly blowing the filter bag, so as to prevent uneven dust deposition outside the filter bag, thereby reducing the dust removal efficiency; the other is a vibration source serving as a clamping ring and used for reducing the dust accumulation on the outer surface of the filter bag to a certain extent. If the baffle vibration effect is still insufficient, an oscillator can be arranged at the joint of the baffle and the partition plate, so that the baffle can vibrate effectively. The snap ring can block in the ring body outside down, also can block in the outside of support column, all can carry out certain spacing and play the effect of promoting the vibration to the filter bag.

The utility model discloses set up simply, it is inside and outside spacing effectively to carry out the filter bag to restriction filter bag shrinkage expansion ratio, make to blow the damage reduction of reciprocating to the filter bag of dirt and deashing, spacing structure also can drive the filter bag and shake moreover, effectively reduces filter bag surface area ash content, effectively reduces the blowback frequency, filter bag long service life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the center opening partition plate of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the middle stop frame of the present invention;

fig. 4 is a schematic perspective view of the snap ring of the present invention.

In the figure: 1-limiting frame, 100-upper ring body, 101-lower ring body, 102-supporting column, 103-connecting transverse column, 104-fixing ring, 2-separating plate, 200-filter bag mounting hole, 201-baffle, 3-upper box body, 300-air outlet pipe, 4-middle box body, 400-air inlet pipe, 5-lower box body, 500-dust exhaust port, 6-filter bag, 7-snap ring, 8-back blowing component, 800-back blowing pipe, 801-air blowing port.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of modules and steps and the steps set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

Meanwhile, it should be understood that the flows in the drawings are not merely performed individually for convenience of description, but a plurality of steps are performed crosswise to each other.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and systems known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of this specification where appropriate.

An embodiment provides a bag-type dust collector with good dust removing performance, as shown in fig. 1, the bag-type dust collector includes an upper box 3, a middle box 4, a lower box 5, a back-blowing assembly 8, and a plurality of filter bags 6 located in the boxes, an air outlet pipe 300 is provided on the upper box 3, an air inlet pipe 400 is connected to the middle box 4, the lower box 5 is communicated with the middle box 4, and a dust exhaust port 500 is provided at the bottom of the lower box, the upper box 3 and the middle box 4 are separated by a sealing partition plate 2, as shown in fig. 2, filter bag mounting holes 200 having the same number as the number of the filter bags 6 are provided on the partition plate 2, the filter bags 6 are mounted in the filter bag mounting holes 200, an air inlet is located at the lower part of the middle box, an air outlet is located in the upper box 3, the partition plate 2 completely separates the upper box 3 from the middle box 4, and the outer sides of the filter bags 6 are tightly attached to penetrate through the inner walls of the filter bag mounting holes 200, so that the air in the middle box 4 is filtered by the filter bags 6. As shown in fig. 1, the back-blowing assembly 8 is located above the partition board 2, a plurality of air blowing ports 801 corresponding to the air outlets of the filter bags 6 one by one are arranged on a back-blowing pipe 800 of the back-blowing assembly 8, and each air outlet 801 faces the center of the air outlet of each filter bag 6. As shown in fig. 2, a baffle plate 201 is arranged below the partition plate 2, and the baffle plate 201 is a corrugated plate, so that the vibration effect is better when air in the air inlet pipe is blown. The baffle 201 is located between the filter bag 6 and the air inlet pipe 400, the length of the baffle extends to the air inlet end of the filter bag 6, and an air inlet channel communicating the air inlet pipe 400 and the air inlets of the filter bags 6 is formed in the middle box body 4.

The embodiment provides a sack cleaner that dust collection nature is good, as shown in fig. 1, the dust remover still includes setting up at the inboard spacing 1 of every filter bag 6 and setting up the snap ring 7 in every filter bag 6 outside, as shown in fig. 3, spacing 1 includes ring body 100, lower ring body 101 and connects many support columns 102 of ring body 100 with lower ring body 101, and spacing 1 is integrated into one piece's rigid member, and structural strength can be higher, makes spacing 1 damage when preventing the snap ring 7 vibration, and the quantity of support columns 102 has a plurality ofly, supports the side of filter bag 6 for the outside of filter bag 6 also is nearly circularly. As shown in fig. 1, the upper ring body 100 is fixed at an air outlet end of the filter bag 6, the lower fixing ring 104 is fixedly installed at the air inlet end of the filter bag 6, the fixing ring 104 is arranged at one side of the upper ring body 100 away from the lower ring body 101, the outer diameter of the fixing ring 104 is larger than the inner diameter of the filter bag installation hole 200, the fixing ring 104 extends out of the filter bag 6 and is located above the partition plate 2, and the air outlet end of the filter bag 6 is located between the fixing ring 104 and the partition plate 2. The snap ring 7 is arranged at the lower part of the filter bag 6, and is connected between two adjacent snap rings 7 and between the snap ring 7 and the baffle 201 through the transverse column 103. The retainer ring 7 is arranged at the position, higher than the lower ring body 101, of the lower part of the filter bag 6; and the inner diameter of the clamping ring 7 is equal to the outer diameter of the filter bag 6. The inner diameter of the fixing ring 104 is equal to the inner diameter of the upper ring 100, and the outer diameters of the upper ring 100 and the lower ring 101 are equal to the inner diameter of the filter bag 6.

In this embodiment, the baffle 201 is disposed at the lower end of the partition plate 2 and located between the filter bag 6 and the air inlet pipe 400, one of the functions of the baffle 201 is to block the inlet air from directly blowing into the filter bag 6, so as to prevent the filter bag 6 from shaking excessively, and of course, the height of the lower end of the partition plate 2 is not higher than that of the lower end of the filter bag 6, so that the air blown into the middle box body 4 first reaches the lower part of the partition plate 2, i.e. the lower part of the filter bag 6, under the guidance of the baffle 201, enters the filter bag 6 from the lower end and the side surface of the filter bag 6, and finally reaches the inside of the upper box body 3. The length of the support columns 102 of the limiting frame 1 is almost equal to that of the filter bags 6, and the limiting frame 1 is equivalent to the function of supporting and limiting the inner sides of the filter bags 6, so that the filter bags 6 are prevented from being excessively shrunk under air pressure when dust is deposited on the outer surfaces of the filter bags 6.

When the utility model is used, the air inlet pipe 400 of the bag-type dust remover is connected to the middle box body 4 in the middle of the whole dust removing structure, and reaches the upper box body 3 after being filtered by the filter bag 200 at the middle box body 4, and clean air is discharged from the air outlet pipe 300 at the side surface of the upper box body 3; the filtered dust falls to the lower case 5 below the middle case 4 and is discharged through the dust discharge port 500 at the lower portion of the lower case 5. When the dust deposition on the outer side of the filter bag 6 is large, and the air pressure difference between the inner side and the outer side of the filter bag 6 is too large, the blowback assembly 8 is started, high-pressure air is blown into the filter bag 6 through the blowback pipe 800 and the air outlet 801, and the dust deposition on the outer side of the filter bag 6 is blown down to fall into the lower box body 5. The inner diameter of the snap ring 7 is equal to the outer diameter of the filter bag 6, the snap ring 7 is sleeved on the outer side of the filter bag 6 which is supported by the limiting frame 1, the snap ring 7 is directly contacted with the outer surface of the filter bag 6, and even the snap ring 7 is contacted with the limiting frame 1 at a distance of the filter bag 6. The clamping ring 7 can limit the outer side of the filter bag 6 to a certain extent, and the filter bag 6 is prevented from being expanded excessively when the back blowing assembly works in a back blowing mode. Spacing 1 and snap ring 7 are spacing inside and outside 6 filter bags respectively, prevent that 6 transition of filter bag shrink inflation from excessive to reduce 6 damage risks of filter bag.

The utility model discloses a filter bag 6 is equipped with a plurality ofly, and 6 outsides of every filter bag all are provided with highly the same snap ring 7, carry out rigid connection through connecting the spreader 103 between the snap ring 7 in the 6 outsides of two adjacent filter bags, and the snap ring 7 that is closest to baffle 201 then directly is connected with baffle 201 through connecting the spreader 103. When air-supply line 400 department blows in and takes the dust air, the air can directly blow baffle 201 department for baffle 201 vibration, thereby drive all snap rings 7 and vibrate, thereby make filter bag 6 take place the vibration, thereby shake the deposition of 6 surface of filter bag and fall, thereby reduce blowback trigger frequency, further prevent that filter bag 6 from damaging, with the life of extension filter bag 6.

The utility model relates to a sack cleaner that dust removal nature is good sets up simply, and it is spacing inside and outside effectively carrying on the filter bag to restriction filter bag shrinkage expansion ratio, make to blow the damage reduction of reciprocating to the filter bag of dirt and deashing, spacing structure also can drive the filter bag and shake moreover, effectively reduces filter bag surface area ash content, effectively reduces the blowback frequency, filter bag long service life.

The present invention is not limited to the above-described specific embodiments, and various modifications and changes are possible. Any modification, equivalent replacement, improvement and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. The utility model provides a sack cleaner that dust removal nature is good, includes box (3), well box (4), lower box (5), blowback subassembly (8) and is located a plurality of filter bags (6) of box, upward be equipped with on box (3) and go out tuber pipe (300), be connected with air-supply line (400) on well box (4), lower box (5) and well box (4) intercommunication to be equipped with dust exhaust mouth (500), its characterized in that in its bottom: the upper box body (3) and the middle box body (4) are separated by a sealing partition plate (2), filter bag mounting holes (200) with the same number as that of the filter bags (6) are formed in the partition plate (2), the filter bags (6) are mounted in the filter bag mounting holes (200), air inlets of the filter bags are located at the lower part of the middle box body, and air outlets of the filter bags are located in the upper box body (3); the back blowing component (8) is positioned above the partition plate (2), and a plurality of air blowing ports (801) which are in one-to-one correspondence with the air outlets of the filter bags (6) are arranged on a back blowing pipe (800) of the back blowing component (8); a baffle plate (201) is arranged below the partition plate (2), the baffle plate (201) is positioned between the filter bags (6) and the air inlet pipe (400), and an air inlet channel for communicating the air inlet pipe (400) with the air inlets of the filter bags (6) is formed in the middle box body (4); the dust remover is characterized by further comprising a limiting frame (1) arranged on the inner side of each filter bag (6) and a clamping ring (7) arranged on the outer side of each filter bag (6), wherein the limiting frame (1) comprises an upper ring body (100), a lower ring body (101) and a supporting column (102) connected with the upper ring body (100) and the lower ring body (101), the clamping ring (7) is arranged on the lower portion of each filter bag (6), and is connected between two adjacent clamping rings (7) and a baffle plate (201) through a transverse column (103).

2. The bag-type dust collector with good dust collection performance according to claim 1, characterized in that: the upper ring body (100) is fixed at an air outlet end of the filter bag (6), a fixing ring (104) is arranged on one side, far away from the lower ring body (101), of the upper ring body (100), the outer diameter of the fixing ring (104) is larger than the inner diameter of the filter bag mounting hole (200), and the fixing ring (104) extends out of the filter bag (6) and is located above the partition plate (2).

3. The bag-type dust collector with good dust collection performance according to claim 1 or 2, characterized in that: the baffle (201) is a corrugated tile type plate, and the length of the baffle extends to the air inlet end of the filter bag (6).

4. The bag-type dust collector with good dust collection performance according to claim 1 or 2, characterized in that: the clamping ring (7) is arranged at the position, higher than the lower ring body (101), of the lower part of the filter bag (6); and the inner diameter of the snap ring (7) is equal to the outer diameter of the filter bag (6).

5. The bag-type dust collector with good dust collection performance according to claim 1 or 2, characterized in that: each air blowing port (801) on the back blowing pipe (800) is over against the center of the air outlet of each filter bag (6).

6. The bag-type dust collector with good dust collection performance according to claim 1 or 2, characterized in that: the limiting frame (1) is an integrally formed rigid part and is provided with at least one supporting column (102); the lower fixing ring (104) of the limiting frame (1) is fixedly arranged at the air inlet end of the filter bag (6).

7. The bag-type dust collector with good dust collection performance according to claim 2, characterized in that: the air outlet end of the filter bag (6) is positioned between the fixing ring (104) and the partition plate (2).

8. The bag-type dust collector with good dust collection performance according to claim 2, characterized in that: the inner diameter of the fixing ring (104) is equal to that of the upper ring body (100), and the outer diameters of the upper ring body (100) and the lower ring body (101) are equal to that of the filter bag (6).