CN220115301U - Self-cleaning type ventilation device for closed storage bin - Google Patents

Abstract

The utility model relates to the field of closed storage bins, in particular to a self-cleaning type ventilation device for a closed storage bin, which comprises a connecting base, wherein the connecting base is connected to the storage bin, an air inlet communicated with the storage bin is formed in the connecting base, and the air inlet penetrates through the connecting base; the air filtering assembly is arranged on one side, far away from the storage bin, of the connecting base and comprises a filter bag and a mounting bracket, the filter bag is mounted on the connecting base through the mounting bracket, and the filter bag is sleeved on the mounting bracket; the cleaning assembly comprises an air pipe, an electromagnetic valve and a blowing pipe, wherein the air pipe is externally connected with compressed air, one end of the electromagnetic valve is communicated with the air pipe, the other end of the electromagnetic valve is communicated with the blowing pipe, and one end of the blowing pipe, far away from the electromagnetic valve, extends to the upper side of the filter bag. The utility model has the effects of reducing manual cleaning work on the filter bag and saving manpower and time.

Description

Self-cleaning type ventilation device for closed storage bin

Technical Field

The utility model relates to the field of closed storage bins, in particular to a self-cleaning type ventilation device for a closed storage bin.

Background

Some closed storage bins are arranged in a powder production line such as dry powder mortar, a small amount of dust-containing gas can be generated during feeding of the storage bins, dust refers to fine powder dust entrained by the gas, when materials enter the closed storage bins, the pressure in the storage bins can be increased due to the entering of the dust-containing gas, and the discharging speed of the materials can be reduced, so that air exhaust and pressure relief are needed during feeding of the storage bins. Because dust-laden gas is usually only produced when the silo is fed, and the exhaust gas amount is very low, the cost of using the dust remover is high, and therefore, workers often choose to use a ventilation device for exhausting.

The traditional ventilation device is that a ventilation port is arranged on a feed bin, then a filter bag is arranged at the ventilation port, fine powder dust in dust-containing gas is filtered inside the filter bag and can be recycled, and the filtered gas can be discharged from a filter hole. After a period of time, more and more powder is stained on the filter bag, can influence the ventilation effect of filter bag, consequently need the staff often clear up the filter bag, consume manpower and time, need improve.

Disclosure of Invention

In order to reduce manual cleaning work on a filter bag and save manpower and time, the utility model provides a self-cleaning type ventilation device for a closed storage bin.

The utility model provides a self-cleaning type ventilation device for a closed storage bin, which adopts the following technical scheme:

a self-cleaning ventilation device for a closed storage bin, comprising:

the connecting base is connected to the storage bin, an air inlet communicated with the storage bin is formed in the connecting base, and the air inlet penetrates through the connecting base;

the air filtering assembly is arranged on one side, far away from the storage bin, of the connecting base and comprises a filter bag and a mounting bracket, the filter bag is mounted on the connecting base through the mounting bracket, and the filter bag is sleeved on the mounting bracket;

the cleaning assembly comprises an air pipe, an electromagnetic valve and a blowing pipe, wherein the air pipe is externally connected with compressed air, one end of the electromagnetic valve is communicated with the air pipe, the other end of the electromagnetic valve is communicated with the blowing pipe, one end of the blowing pipe, far away from the electromagnetic valve, extends to the upper side of the filter bag, and the blowing pipe blows the compressed air towards the filter bag under the action of the electromagnetic valve.

Through adopting above-mentioned technical scheme, the injection pipe is with compressed air towards the filter bag injection under the effect of solenoid valve, and the control system through setting up solenoid valve opens regularly and closes the solenoid valve, makes the clearance subassembly can the regular injection filter bag, has realized self-cleaning filter bag, need not the staff and often clears up the filter bag, has reduced the manual work to the clearance work of filter bag, has practiced thrift manpower and time.

Optionally, the installing support includes solid fixed ring and connecting rod, gu fixed ring sets up a plurality of along the axial equidistance of connecting the base, and is a plurality of gu fixed ring all sets up with connecting the base is coaxial, the connecting rod sets up a plurality of along gu fixed ring's circumference, every the connecting rod is connected with a plurality of solid fixed ring simultaneously.

Through adopting above-mentioned technical scheme, fixed ring and connecting rod interconnect shaping become cylindric installing support, provide stable support for the installation of filter bag.

Optionally, be provided with annular baffle on the connection base, the baffle includes interconnect's vertical portion and horizontal portion, the horizontal portion is connected with the inner wall of connecting the last air inlet of base, the one end that the horizontal portion was kept away from to vertical portion is connected with a solid fixed ring that is closest to the connection base, the sack of filter bag extends to the outside of baffle vertical portion.

Through adopting above-mentioned technical scheme, the setting of baffle makes the dust-laden gas get into ventilation unit from the air inlet of connection base after, just can discharge through the filtration of filter bag.

Optionally, the sack of filter bag is close to the air inlet, the filter bag passes through the vertical portion connection of clamp and baffle, the clamp is located the position that is close to the filter bag sack, the clamp is used for the vertical portion hooping of filter bag and baffle.

Through adopting above-mentioned technical scheme, the clamp is tightly fixed in the installing support with the vertical portion hooping of filter bag and baffle messenger filter bag, and the clamp is located the position that is close to the filter bag sack and has improved the laminating degree between whole and the installing support of filter bag, has reduced the sack of filter bag and has produced the possibility of rocking under the effect of air current, has improved the accuracy in the dirty gas entering filter bag.

Optionally, be provided with the protective housing on the connection base, the both ends of protective housing all are the opening setting, the gas filtering subassembly cover is located in the protective housing.

By adopting the technical scheme, the contact between the filter bag and the outside is reduced, and the cleaning degree of the filter bag is improved.

Optionally, a protective cover is arranged at one end of the protective shell far away from the connecting base, the protective cover comprises a cover plate and an edge which are connected with each other, the edge is in an annular shape, the edge is connected to one surface of the cover plate close to the protective shell, and a ventilation channel is arranged between the protective cover and the protective shell; the cleaning assembly is mounted on the protective cover.

By adopting the technical scheme, the contact between the filter bag and the outside is further reduced, the cleanliness of the filter bag is further improved, and the filtered gas is discharged from the ventilation channel.

Optionally, the protective housing and the protective cover are detachably connected through a connecting component.

Through adopting above-mentioned technical scheme, be convenient for overhaul the change to the clearance subassembly after dismantling the protective cover.

Optionally, coupling assembling includes first connecting plate, second connecting plate and connecting bolt, first connecting plate is connected on the periphery lateral wall of protective housing, the second connecting plate is connected on the inner periphery lateral wall of border, the face of first connecting plate and the laminating of the face of second connecting plate, threaded connection has coupling nut after connecting bolt passes first connecting plate and second connecting plate, the one side butt of first connecting plate is kept away from to coupling nut and second connecting plate, the one side butt of second connecting plate is kept away from to coupling nut and first connecting plate.

Through adopting above-mentioned technical scheme, when the installation protective cover, with first connecting plate and second connecting plate alignment and pass first connecting plate and second connecting plate with connecting bolt in proper order to make the nut of connecting bolt and the one side butt that the second connecting plate was kept away from to first connecting plate, then threaded connection goes up coupling nut, makes the one side butt that first connecting plate was kept away from to coupling nut and second connecting plate.

Optionally, the one end that the jetting pipe was kept away from the solenoid valve is towards the filter bag kink setting.

Through adopting above-mentioned technical scheme, improved the cleaning component and carried out the accuracy of jetting to the filter bag.

Optionally, the one end that the protective housing is close to the feed bin is through ring flange and connection base detachable connection.

Through adopting above-mentioned technical scheme, with the protective housing dismantlement back, can change the filter bag.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the electromagnetic valve is periodically opened and closed through the control system provided with the electromagnetic valve, so that the cleaning assembly can periodically spray the filter bag, the filter bag is automatically cleaned, a worker is not required to frequently clean the filter bag, the manual cleaning work of the filter bag is reduced, and the labor and time are saved;

2. the fixing ring and the connecting rod are connected with each other to form a cylindrical mounting bracket, so that stable support is provided for mounting the filter bag;

3. the arrangement of the baffle plate enables dust-containing gas to enter the ventilation device from the air inlet connected with the base and then be discharged after being filtered by the filter bag.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate a certain embodiment of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective schematic view of the whole structure of a self-cleaning ventilation device for a closed storage bin in an embodiment of the utility model.

Fig. 2 is a schematic bottom view of the connection assembly shown after hiding the connection base, flange, baffle, and filter bag according to an embodiment of the present utility model.

FIG. 3 is a schematic view showing the positional relationship among the mounting bracket, the baffle plate and the connecting base after hiding the filter bag in the embodiment of the utility model.

Reference numerals illustrate: 1. the base is connected; 11. an air inlet; 2. a gas filtering component; 21. a filter bag; 22. a mounting bracket; 221. a fixing ring; 222. a connecting rod; 3. a protective shell; 31. a flange plate; 4. a protective cover; 41. a cover plate; 42. an edge; 5. cleaning the assembly; 51. an air pipe; 52. an electromagnetic valve; 53. a blowing pipe; 6. a ventilation channel; 7. a baffle; 71. a vertical portion; 72. a horizontal portion; 8. a connection assembly; 81. a first connection plate; 82. a second connecting plate; 83. a connecting bolt; 84. a coupling nut; 9. and (5) clamping the clamp.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a self-cleaning type ventilation device for a closed storage bin.

Referring to fig. 1-3, the self-cleaning ventilation device for the closed storage bin comprises a connecting base 1, wherein the connecting base 1 is connected to the storage bin, an air inlet 11 communicated with the storage bin is formed in the connecting base 1, and the air inlet 11 penetrates through two axial ends of the connecting base 1. The side of the connecting base 1, which is far away from the storage bin, is provided with a gas filtering component 2, the gas filtering component 2 comprises a filter bag 21 and a mounting bracket 22, the filter bag 21 is mounted on the connecting base 1 through the mounting bracket 22, and the filter bag 21 is sleeved on the mounting bracket 22.

Referring to fig. 1 to 3, a protection case 3 is connected to a connection base 1, and the protection case 3 is detachably connected to the connection base 1 through a flange 31, and the protection case 3 is detached to allow replacement of the filter bag 21. Both ends of protective housing 3 all are the opening setting, and in protective housing 3 was located to the cover of gas filtering subassembly 2, reduced the contact of filter bag 21 with the external world, improved the clean degree of filter bag 21. The protective housing 3 is kept away from the one end of connecting base 1 and is provided with shield 4, and shield 4 includes interconnect's apron 41 and border 42, and apron 41 is circular setting, and border 42 is annular setting, and border 42 integrated into one piece is close to the one side of protective housing 3 in apron 41, and the size of apron 41 is greater than protective housing 3 open-ended size, is provided with ventilative passageway 6 between shield 4 and the protective housing 3. The arrangement of the protective cover 4 further reduces the contact between the filter bag 21 and the outside, further improves the cleanliness of the filter bag 21, and the filtered gas is discharged from the ventilation channel 6.

Referring to fig. 1-3, be provided with cleaning element 5 on the shield lid 4, cleaning element 5 includes trachea 51, solenoid valve 52 and jetting pipe 53, trachea 51 external compressed air, solenoid valve 52's one end and trachea 51 intercommunication, solenoid valve 52's the other end and jetting pipe 53 intercommunication, the one end that the solenoid valve 52 was kept away from to jetting pipe 53 passes the border 42 of shield lid 4 and stretches to the top of filter bag 21 after, the one end that the solenoid valve 52 was kept away from to jetting pipe 53 is towards filter bag 21 setting of buckling, improved cleaning element 5 and carried out the accuracy of jetting to filter bag 21. The blowing pipe 53 blows compressed air toward the filter bag 21 by the electromagnetic valve 52, and the powder dust adhering to the filter bag 21 is blown back into the bin. In the present embodiment, the solenoid valve 52 is a pulse solenoid valve 52. The electromagnetic valve 52 is opened and closed regularly by the control system provided with the electromagnetic valve 52, so that the cleaning assembly 5 can spray the filter bag 21 regularly, the filter bag 21 is automatically cleaned, frequent cleaning of the filter bag 21 by workers is not needed, manual cleaning of the filter bag 21 is reduced, and manpower and time are saved.

Referring to fig. 1 to 3, the mounting bracket 22 includes fixing rings 221 and connecting rods 222, the fixing rings 221 are equidistantly disposed along the axial direction of the connection base 1, the fixing rings 221 are coaxially disposed with the connection base 1, the connecting rods 222 are equidistantly disposed along the circumferential direction of the fixing rings 221, and the four connecting rods 222 are fixedly connected with the fixing rings 221. The fixing ring 221 and the connecting rod 222 are connected with each other to form a cylindrical mounting bracket 22, which provides stable support for mounting the filter bag 21.

Referring to fig. 1 to 3, the connection base 1 is provided with an annular baffle 7, the baffle 7 includes a vertical portion 71 and a horizontal portion 72 which are connected to each other, the horizontal portion 72 is fixedly connected to an inner wall of the air inlet 11 on the connection base 1, one end of the vertical portion 71 which is far from the horizontal portion 72 is fixedly connected to a fixing ring 221 which is closest to the connection base 1, and a mouth of the filter bag 21 extends to an outer side of the vertical portion 71 of the baffle 7. The baffle 7 is arranged so that the dust-containing gas is discharged after entering the ventilation device from the air inlet 11 connected with the base 1 and being filtered by the filter bag 21.

Referring to fig. 1 to 3, the mouth of the filter bag 21 is adjacent to the air inlet 11, the filter bag 21 is connected to the vertical portion 71 of the baffle 7 by the collar 9, the collar 9 is located adjacent to the mouth of the filter bag 21, and the collar 9 is used to clamp the filter bag 21 to the vertical portion 71 of the baffle 7. The clamp 9 is tightly fixed on the installing support 22 with the filter bag 21 and the vertical portion 71 of baffle 7 hooping, and the clamp 9 is located the position that is close to the mouth of filter bag 21 has improved the laminating degree between the whole and the installing support 22 of filter bag 21, has reduced the mouth of filter bag 21 and has produced the possibility that rocks under the effect of air current, has improved the accuracy nature that dust-laden gas got into in the filter bag 21.

Referring to fig. 1-3, the protecting cover 4 is detachably connected with the protecting shell 3 through the connecting assembly 8, and the cleaning assembly 5 is convenient to overhaul and replace after the protecting cover 4 is detached. The connecting assemblies 8 are equidistantly arranged in four groups along the circumferential direction of the protective shell 3. The connecting assembly 8 comprises a first connecting plate 81, a second connecting plate 82 and a connecting bolt 83, wherein the first connecting plate 81 is fixedly connected to the outer peripheral side wall of the protective shell 3, the second connecting plate 82 is fixedly connected to the inner peripheral side wall of the edge 42, the plate surface of the first connecting plate 81 is attached to the plate surface of the second connecting plate 82, and the connecting bolt 83 penetrates through the first connecting plate 81 and the second connecting plate 82 and is connected with a connecting nut 84 in a threaded mode. The coupling nut 84 abuts against a surface of the second coupling plate 82 away from the first coupling plate 81, and the nut of the coupling bolt 83 abuts against a surface of the first coupling plate 81 away from the second coupling plate 82. When the protective cover 4 is installed, the first connecting plate 81 and the second connecting plate 82 are aligned, the connecting bolts 83 sequentially penetrate through the first connecting plate 81 and the second connecting plate 82, the nuts of the connecting bolts 83 and the face, away from the second connecting plate 82, of the first connecting plate 81 are abutted, then the connecting nuts 84 are connected in a threaded mode, the connecting nuts 84 and the second connecting plate 82 are abutted to the face, away from the first connecting plate 81, of the first connecting plate, and therefore installation is completed, and when the protective cover 4 needs to be detached, the connecting nuts 84 and the connecting bolts 83 can be detached.

The embodiment of the utility model discloses a self-cleaning ventilation device for a closed storage bin, which is implemented by the following principle:

when the filter bag 21 is installed, the protective shell 3 is detached from the connection base 1, the filter bag 21 is sleeved on the installation support 22, the filter bag 21 and the vertical portion 71 of the baffle 7 are fastened and fixed by the clamp 9, and finally the protective shell 3 is installed on the connection base 1 through the flange plate.

When cleaning the filter bag 21, the pulse solenoid valve 52 is automatically and periodically opened, and compressed air is blown to the filter bag 21 through the blowing pipe 53, thereby automatically cleaning the filter bag 21 at regular time.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. Self-cleaning ventilation device for closed feed bin, characterized by comprising:

the connecting base (1), the connecting base (1) is connected to the bin, an air inlet (11) communicated with the bin is formed in the connecting base (1), and the air inlet (11) penetrates through the connecting base (1);

the air filtering assembly (2) is arranged on one side, far away from the storage bin, of the connecting base (1), the air filtering assembly (2) comprises a filter bag (21) and a mounting bracket (22), the filter bag (21) is mounted on the connecting base (1) through the mounting bracket (22), and the filter bag (21) is sleeved on the mounting bracket (22);

the cleaning assembly (5), the cleaning assembly (5) comprises an air pipe (51), an electromagnetic valve (52) and a blowing pipe (53), the air pipe (51) is externally connected with compressed air, one end of the electromagnetic valve (52) is communicated with the air pipe (51), the other end of the electromagnetic valve (52) is communicated with the blowing pipe (53), one end of the blowing pipe (53) away from the electromagnetic valve (52) extends to the upper side of the filter bag (21), and the blowing pipe (53) blows compressed air towards the filter bag (21) under the action of the electromagnetic valve (52).

2. The self-cleaning ventilation device for a closed storage bin according to claim 1, wherein: the mounting bracket (22) comprises a fixed ring (221) and connecting rods (222), wherein the fixed ring (221) is arranged at equal intervals along the axial direction of the connecting base (1), the fixed rings (221) are arranged coaxially with the connecting base (1), the connecting rods (222) are arranged at multiple intervals along the circumferential direction of the fixed ring (221), and each connecting rod (222) is connected with the fixed rings (221) simultaneously.

3. The self-cleaning ventilation device for a closed storage bin according to claim 2, wherein: be provided with annular baffle (7) on connection base (1), baffle (7) are including interconnect's vertical portion (71) and horizontal portion (72), the inner wall connection of air inlet (11) on horizontal portion (72) and connection base (1), the one end that horizontal portion (72) was kept away from to vertical portion (71) is connected with a solid fixed ring (221) that is closest to connection base (1), the sack of filter bag (21) extends to the outside of baffle (7) vertical portion (71).

4. A self-cleaning ventilation device for a closed silo according to claim 3, wherein: the utility model discloses a filter bag, including filter bag (21), clamp (9), baffle (7), air inlet (11) is close to the sack of filter bag (21), filter bag (21) are connected through clamp (9) and vertical portion (71) of baffle (7), clamp (9) are located the position that is close to filter bag (21) sack, clamp (9) are used for hooping filter bag (21) and vertical portion (71) of baffle (7).

5. The self-cleaning ventilation device for a closed storage bin according to claim 1, wherein: the novel air filter is characterized in that a protective shell (3) is arranged on the connecting base (1), two ends of the protective shell (3) are respectively provided with an opening, and the air filter assembly (2) is covered in the protective shell (3).

6. The self-cleaning ventilation device for a closed storage bin according to claim 5, wherein: the protective cover is characterized in that one end, far away from the connecting base (1), of the protective shell (3) is provided with a protective cover (4), the protective cover (4) comprises a cover plate (41) and an edge (42) which are connected with each other, the edge (42) is in an annular arrangement, the edge (42) is connected to one surface, close to the protective shell (3), of the cover plate (41), and a ventilation channel (6) is arranged between the protective cover (4) and the protective shell (3); the cleaning component (5) is arranged on the protective cover (4).

7. The self-cleaning ventilation device for a closed storage bin according to claim 6, wherein: the protective housing (3) and protective cover (4) are through coupling assembling (8) detachable connection.

8. The self-cleaning ventilation device for a closed storage bin according to claim 7, wherein: coupling assembling (8) are including first connecting plate (81), second connecting plate (82) and connecting bolt (83), first connecting plate (81) are connected on the periphery lateral wall of protective housing (3), second connecting plate (82) are connected on the inner periphery lateral wall of border (42), the face laminating of face and second connecting plate (82) of first connecting plate (81), threaded connection has coupling nut (84) behind connecting bolt (83) passed first connecting plate (81) and second connecting plate (82), one side butt of first connecting plate (81) is kept away from to coupling nut (84) and second connecting plate (82), one side butt of second connecting plate (82) is kept away from to the nut of connecting bolt (83) and first connecting plate (81).

9. The self-cleaning ventilation device for a closed storage bin according to claim 1, wherein: one end of the blowing pipe (53) far away from the electromagnetic valve (52) is bent towards the filter bag (21).

10. The self-cleaning ventilation device for a closed storage bin according to claim 5, wherein: one end of the protective shell (3) close to the storage bin is detachably connected with the connecting base (1) through a flange plate (31).