CN220513705U - Exhaust gas filter for small petrochemical equipment - Google Patents

Abstract

The utility model relates to the technical field of gas filters, in particular to a small petrochemical equipment exhaust gas filter; the utility model discloses a small petrochemical equipment exhaust gas filter, which comprises a shell, wherein a fixing mechanism and a filtering mechanism are arranged in an inner cavity of the shell, the fixing mechanism comprises a cover plate, a supporting ring is arranged at the bottom of the cover plate, a hand wheel is rotated to drive a locking block to move, the fixing mechanism can be quickly disassembled after the locking block is separated from a locking groove of the shell, an air filter element can be quickly cleaned or replaced, the filtering effect of petrochemical waste gas can be quickened through an induced draft fan, filtered gas is discharged from an exhaust hole of the cover plate, rain water can be prevented from entering the shell along the exhaust hole to normally work through an umbrella cap, the integral tightness of the device can be ensured through the mutual matching of a first sealing ring and a second sealing ring, and the waste gas is effectively prevented from overflowing, so that the reliability and the efficiency of the gas filtering of the device are improved.

Description

Exhaust gas filter for small petrochemical equipment

Technical Field

The utility model relates to the technical field of gas filters, in particular to a small petrochemical equipment exhaust gas filter.

Background

At present, the petrochemical industry can produce a large amount of waste gas when producing petroleum related products, and the waste gas needs to be discharged through filtration treatment, at present, some small-size petrochemical equipment can adopt an air filter element to filter in order to reduce filtration cost, particle impurities in the waste gas are trapped inside the filter element during filtration, however, the continuous circulation is realized, more and more particles are trapped, the filtration speed is slower and slower, and imported waste gas still continuously enters, the filtration hole is smaller and smaller, and then the blockage is formed, so that the filtration effect is influenced.

In order to solve the problem that the filter holes on the surface of the filter element are blocked by the particle impurities, the filter element is detached from the inside of the filter, then the detached filter element is cleaned, and the filter element is reinstalled in the inside of the filter after the cleaning is finished, although the method solves the problem that the filter holes on the surface of the filter element are blocked by the particle impurities, when the filter element in the filter is detached, the shell of the whole filter is often required to be detached firstly, then the filter element in the filter element is exposed, and then the filter element is detached from the inside of the shell, so that the whole detachment process is complicated, and aiming at the situation, the technical innovation is carried out on the basis of the existing small petrochemical equipment exhaust gas filter.

Disclosure of Invention

The present utility model aims to provide a small petrochemical equipment exhaust gas filter to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a small-size petrochemical industry equipment exhaust gas filter, includes the casing, fixed establishment and filtering mechanism are laid to the inner chamber of casing, fixed establishment includes the apron, the bottom of apron is provided with the supporting ring, the inner chamber of supporting ring is provided with the draught fan, the exhaust hole has evenly been seted up in the top of apron, the draught fan is corresponding with the exhaust hole, the lateral wall of supporting ring evenly is provided with the second sealing ring, the top of apron is provided with the guide rail, the inner chamber of guide rail is provided with two-way lead screw, the left side that the left side of two-way lead screw runs through the guide rail is connected with the hand wheel, the even spiro union of lateral wall of two-way lead screw has two sets of thread bush, the top of thread bush is provided with the locking piece, filtering mechanism is located the bottom of supporting ring and cooperatees with the supporting ring.

Preferably, the filtering mechanism comprises an annular supporting plate, an air filter element is placed on the annular supporting plate, and two groups of first sealing rings are uniformly arranged on the outer side wall of the air filter element.

Preferably, the left side intercommunication of casing has the intake pipe, the left side intercommunication of intake pipe has flange, the locking groove has all been seted up to the left and right sides of casing.

Preferably, two groups of support columns are uniformly arranged at the top of the cover plate, and umbrella caps are arranged at the tops of the support columns.

Preferably, the annular supporting plate is welded in the inner cavity of the shell, the outer side walls of the two groups of the first sealing rings are all attached to the inner side wall of the shell, and the top of the air filter element is attached to the bottom of the supporting ring.

Preferably, the support ring is located in the inner cavity of the shell, the outer side wall of the second sealing ring is attached to the inner side wall of the shell, the bottom of the cover plate is attached to the top of the shell, and the locking block is arranged in the locking groove of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses small-size petrochemical industry equipment discharges gas filter, rotates the hand wheel and drives the locking piece and remove, can dismantle fixed establishment fast after the locking piece separates with the locked groove of casing, and then can clear up or change air filter core fast;

can accelerate petrochemical industry waste gas's filter effect through the draught fan, the exhaust hole of the gaseous follow apron after the filtration discharges, can prevent through the umbrella cap that the rainy day rainwater from entering the casing along the exhaust hole and carry out the normal work of device in, can guarantee the whole leakproofness of device through first sealing ring and second sealing ring mutually supporting, effectively prevent waste gas excessive to this improves gaseous filterable reliability and the efficiency of device.

Drawings

FIG. 1 is a schematic view of the structure of the exhaust gas filter of the present compact petrochemical equipment;

FIG. 2 is a front cross-sectional view of the present compact petrochemical plant exhaust gas filter;

fig. 3 is an enlarged view of a portion a of fig. 2 of the exhaust gas filter for the small-sized petrochemical equipment.

In the figure: 1. an air filter element; 11. a first seal ring; 12. an annular supporting plate; 2. a guide rail; 21. a two-way screw rod; 22. a locking piece; 23. a hand wheel; 24. a cover plate; 25. a support ring; 26. a second seal ring; 27. an induced draft fan; 28. a thread sleeve; 3. a housing; 31. an air inlet pipe; 32. a connecting flange; 4. a support column; 41. umbrella cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the small petrochemical equipment exhaust gas filter comprises a shell 3, a fixing mechanism and a filtering mechanism are arranged in an inner cavity of the shell 3, the fixing mechanism comprises a cover plate 24, a supporting ring 25 is fixedly arranged at the bottom of the cover plate 24, an induced draft fan 27 is fixedly arranged in the inner cavity of the supporting ring 25, exhaust holes are uniformly formed in the top of the cover plate 24 in a penetrating manner, the induced draft fan 27 corresponds to the exhaust holes, the filtering effect of petrochemical waste gas can be accelerated through the induced draft fan 27, filtered gas is discharged from the exhaust holes of the cover plate 24, a second sealing ring 26 is uniformly and fixedly arranged on the outer side wall of the supporting ring 25, a guide rail 2 is fixedly arranged at the top of the cover plate 24, a bidirectional screw rod 21 is rotatably arranged in the inner cavity of the guide rail 2, a hand wheel 23 is connected to the left side of the guide rail 2 in a penetrating manner, two groups of thread sleeves 28 are uniformly screwed on the outer side wall of the bidirectional screw rod 21, the top of the thread sleeve 28 is fixedly provided with a locking block 22, the rotating hand wheel 23 drives the bidirectional screw rod 21 to rotate, the bidirectional screw rod 21 drives the thread sleeve 28 to move, the thread sleeve 28 drives the locking block 22 to move, the filtering mechanism is positioned at the bottom of the supporting ring 25 and matched with the supporting ring 25, the filtering mechanism comprises an annular supporting plate 12, an air filter element 1 is placed on the annular supporting plate 12, two groups of first sealing rings 11 are uniformly and fixedly arranged on the outer side wall of the air filter element 1, the integral tightness of the device can be ensured by the mutual matching of the first sealing rings 11 and the second sealing rings 26, the waste gas is effectively prevented from overflowing, an air inlet pipe 31 is communicated with the left side of the shell 3, a connecting flange 32 is communicated with the air inlet pipe 31 by utilizing the connecting flange 32, and the discharged waste gas directly enters the shell 3 to be filtered by the air filter element 1, the left and right sides of casing 3 has all been seted up the locked groove, the top of apron 24 is evenly fixed and is provided with two sets of support columns 4, the fixed chute cap 41 that is provided with in top of support column 4, can prevent through chute cap 41 that the rainy day rainwater from getting into in the casing 3 along the exhaust hole and carrying out the normal work of device, annular layer board 12 welds the inner chamber at casing 3, the lateral wall of two sets of first sealing rings 11 all laminates with the inside wall of casing 3 mutually, the top of air filter 1 laminates with the bottom of holding ring 25 mutually, can extrude air filter 1 downwards when holding ring 25 installs in casing 3, thereby guarantee the stability of air filter 1 in casing 3, holding ring 25 is located the inner chamber at casing 3, the lateral wall of second sealing ring 26 laminates mutually with the inside wall of casing 3, the bottom of apron 24 laminates mutually with the top of casing 3, locking piece 22 slides and sets up in the locked groove of casing 3, utilize locking piece 22 to fix fixed establishment on casing 3, after the locked groove separation of locking piece 22 and casing 3 alright quick dismantlement fixed establishment, and then can clear up or change air filter 1 fast.

Working principle: utilize flange 32 to communicate intake pipe 31 and petrochemical industry's blast pipe, and then make the exhaust gas of discharging directly get into in the casing 3 and filter by air filter 1, can accelerate petrochemical industry waste gas's filter effect through draught fan 27, the exhaust hole of apron 24 discharges, can prevent through umbrella cap 41 that rainy day rainwater from getting into in the casing 3 along the exhaust hole and carrying out device normal work, can guarantee device wholeness leakproofness through first sealing ring 11 and second sealing ring 26 mutually supporting, effectively prevent waste gas excessive, utilize locking piece 22 to fix fixed establishment on casing 3, rotate hand wheel 23 and drive two-way lead screw 21 and rotate, drive threaded sleeve 28 through two-way lead screw 21 and remove, drive locking piece 22 through threaded sleeve 28 and remove, after the locked groove separation of locking piece 22 and casing 3 alright dismantle fixed establishment fast, and then can clear up or change air filter 1 fast.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Small-size petrochemical equipment exhaust gas filter, including casing (3), its characterized in that: the utility model discloses a filter device, including casing (3), fixed establishment and filtering mechanism have been laid to the inner chamber of casing (3), fixed establishment includes apron (24), the bottom of apron (24) is provided with holding ring (25), the inner chamber of holding ring (25) is provided with draught fan (27), exhaust hole has evenly been seted up to the top of apron (24), draught fan (27) are corresponding with the exhaust hole, the lateral wall of holding ring (25) evenly is provided with second sealing ring (26), the top of apron (24) is provided with guide rail (2), the inner chamber of guide rail (2) is provided with two-way lead screw (21), the left side of two-way lead screw (21) runs through the left side of guide rail (2) and connects hand wheel (23), the lateral wall even spiro union of two sets of thread bush (28), the top of thread bush (28) is provided with locking piece (22), filtering mechanism is located the bottom of holding ring (25) and cooperatees with holding ring (25).

2. The small petrochemical plant exhaust gas filter according to claim 1, wherein: the filtering mechanism comprises an annular supporting plate (12), an air filter element (1) is placed on the annular supporting plate (12), and two groups of first sealing rings (11) are uniformly arranged on the outer side wall of the air filter element (1).

3. The small petrochemical plant exhaust gas filter according to claim 2, wherein: the left side intercommunication of casing (3) has intake pipe (31), the left side intercommunication of intake pipe (31) has flange (32), the locking groove has all been seted up to the left and right sides of casing (3).

4. The small petrochemical plant exhaust gas filter according to claim 2, wherein: two groups of support columns (4) are uniformly arranged at the top of the cover plate (24), and umbrella caps (41) are arranged at the tops of the support columns (4).

5. A compact petrochemical plant exhaust gas filter according to claim 3, wherein: the annular supporting plates (12) are welded in the inner cavity of the shell (3), the outer side walls of the two groups of first sealing rings (11) are attached to the inner side walls of the shell (3), and the top of the air filter element (1) is attached to the bottom of the supporting ring (25).

6. A compact petrochemical plant exhaust gas filter according to claim 3, wherein: the support ring (25) is located in the inner cavity of the shell (3), the outer side wall of the second sealing ring (26) is attached to the inner side wall of the shell (3), the bottom of the cover plate (24) is attached to the top of the shell (3), and the locking block (22) is arranged in the locking groove of the shell (3).