CN211799173U

CN211799173U - Bag type filtering device

Info

Publication number: CN211799173U
Application number: CN202020234577.XU
Authority: CN
Inventors: 王金伟
Original assignee: Shanghai Ao Dong Electromechanical Co ltd
Current assignee: Shanghai Ao Dong Electromechanical Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-30
Anticipated expiration: 2030-02-28

Abstract

The utility model provides a bag filter equipment relates to filtration equipment technical field, when having solved among the prior art with the impaired needs of the auxiliary component of the inside intercommunication of filter and having changed, all must shut down and just can change the repair after the step-down, easily influences work efficiency's technical problem. The bag type filtering device comprises a cylinder body, a cover body, a connecting assembly, a filtering assembly, a feeding channel and a discharging channel, wherein mounting ports for mounting auxiliary parts are formed in the cylinder body and the cover body respectively, switch valves are arranged between the mounting ports and the auxiliary parts, and the auxiliary parts are detachably connected with the switch valves; the connecting assembly is connected with the cover body and the cylinder body, and the filtering assembly is arranged in the cylinder body and divides the cylinder body into an upper cavity and a lower cavity; the auxiliary part comprises a first pressure gauge for measuring the pressure value of the upper chamber, a second pressure gauge for measuring the pressure value of the lower chamber and an exhaust valve communicated with the upper chamber. The utility model is used for improve pocket type filter equipment's work efficiency.

Description

Bag type filtering device

Technical Field

The utility model belongs to the technical field of the filtration equipment technique and specifically relates to a bag filter equipment is related to.

Background

The bag filter is a multipurpose filtering device with novel structure, small volume, simple and flexible operation, energy conservation, high efficiency, closed work and strong applicability. The bag filter is a novel filtering system, the filter bag is supported by a metal inner net in the filter, liquid flows in from an inlet and flows out after being filtered by the filter bag, impurities are intercepted in the filter bag, and the filter bag can be replaced or cleaned for subsequent use.

When the filter bag works, pressure difference exists between the inner side and the outer side of the filter bag, the filtering quality is closely related to the pressure difference between the inner side and the outer side of the filter bag under the condition that the liquid input pressure is stable, and if the pressure difference is too large, the filtering aperture of the filter bag is blocked, and the filtering speed is reduced. When the bag filter starts to work, the pressure difference is checked periodically, and when the pressure difference reaches a certain interval, the filter bag is replaced in time to avoid the filter bag from being broken to influence the filtering effect. If the pressure difference drops suddenly, should still stop filtering immediately to whether the inspection leaks, therefore, the pressure of the inside and outside both sides of filter bag needs real-time supervision, need install with the inside auxiliary component of measuring pressure of the inside intercommunication of filter, simultaneously, for the use needs, still need to install other auxiliary components that have functions such as exhaust on the wall of filter, this kind of auxiliary component all need with the inside intercommunication of filter, consequently, when the damaged needs of auxiliary component are changed, all must shut down and can change the repair after stepping down, seriously influence work efficiency. In addition, the traditional bag filter needs manpower to lift the upper cover for disassembly when the cover is opened, the filter element is replaced and cleaned, and the disassembly process is time-consuming and labor-consuming.

Therefore, how to solve the technical problem that the work efficiency is easily affected by stopping the machine and reducing the pressure before replacing and repairing the damaged auxiliary parts communicated with the interior of the filter in the prior art, which becomes an important technical problem to be solved by the personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bag filter equipment, solved among the prior art with the impaired time that needs to be changed of the auxiliary part of the inside intercommunication of filter, all must shut down and just can change the repair after the step-down, easily influence work efficiency's technical problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of bag filter equipment, include: the device comprises a cylinder body and a cover body for covering an opening at the upper part of the cylinder body, wherein mounting openings for mounting auxiliary parts are formed in the cylinder body and the cover body, switch valves are arranged between the mounting openings and the auxiliary parts, and the auxiliary parts are detachably connected with the switch valves; the connecting component is used for connecting the cover body and the barrel body and can separate or buckle the cover body and the barrel body; a filter assembly disposed inside the cylinder and dividing the cylinder into an upper chamber and a lower chamber; the feeding channel is communicated with the upper cavity, the discharging channel is communicated with the lower cavity, and the feeding channel and the discharging channel are arranged on the barrel body; the auxiliary part comprises a first pressure gauge for measuring the pressure value of the upper chamber, a second pressure gauge for measuring the pressure value of the lower chamber and an exhaust valve communicated with the upper chamber.

Preferably, the connecting assembly comprises a plurality of fastening assemblies arranged at the circumferential direction of the joint of the cylinder body and the cover body and a lifting assembly, one end of the lifting assembly is connected with the cylinder body, and the other end of the lifting assembly is connected with the cover body.

Preferably, the lifting unit includes a first lifting unit for finely adjusting the height of the lid and a second lifting unit for substantially lifting the lid, the first lifting unit is disposed at the upper end of the second lifting unit, the upper end and the lower end of the second lifting unit are rotatably connected, and the rotation axis of the second lifting unit is along the vertical direction.

Preferably, the first lifting assembly comprises a sleeve fixedly connected with the upper end of the second lifting assembly and a screw rod vertically penetrating through the sleeve and in threaded connection with the sleeve, the lower end of the screw rod is connected with the cover body, and a hand wheel is arranged at the upper end of the screw rod.

Preferably, the second lifting assembly comprises a curved bar and a driving member for driving the curved bar to vertically lift, the driving member is fixedly connected with the outer side wall of the cylinder, a first end of the curved bar is connected with the driving member, and a second end of the curved bar extends to the upper side of the cover body and is connected with the first lifting assembly.

Preferably, the second lifting assembly further comprises a guide member sleeved outside the curved bar and having an end fixedly connected with the cylinder.

Preferably, the fastening assembly comprises an eyebolt, an eyenut and a flange, wherein the tail of the eyebolt is hinged to the upper portion of the side wall of the barrel, the eyenut is sleeved on the eyebolt, the flange is arranged on the circumferential edge of the cover body and used for abutting against the eyenut, and a groove used for allowing the eyebolt to extend into is formed in the flange.

Preferably, equal fixedly connected with connecting pipe of installing port department, the ooff valve connect in on the connecting pipe, the accessory with connecting pipe tip is threaded connection.

Preferably, the drive member comprises a pneumatic or hydraulic cylinder.

Preferably, the lower end of the screw rod is rotatably connected with the cover body, and the rotation axis of the screw rod is along the axial direction of the screw rod.

The utility model provides a bag type filtering device, including barrel, lid, coupling assembling, filtering component, feed channel and discharging channel, the lid covers in the upper portion opening part of barrel, has all seted up a plurality of installing ports on barrel and the lid for the installation auxiliary component. All install the ooff valve between installing port and the auxiliary part, be connected for dismantling between auxiliary part and the ooff valve, the installation and the change of the auxiliary part of being convenient for. The connecting assembly is connected with the cover body and the barrel body and used for separating or buckling the cover body and the barrel body, the filtering assembly is arranged inside the barrel body and divides the interior of the barrel body into an upper cavity and a lower cavity from top to bottom, the feeding channel is communicated with the upper cavity, the discharging channel is communicated with the lower cavity, the feeding channel and the discharging channel penetrate through and are fixedly connected to the side wall of the barrel body, the auxiliary parts comprise a first pressure gauge, a second pressure gauge and an exhaust valve. If the damaged when needing to be changed of accessory appears in the work, after the staff can close the ooff valve, dismantle the change to accessory again, in order to avoid influencing the pressure differential in the barrel inner chamber and also avoid gaseous or liquid blowout in the barrel simultaneously, take place danger, accessory replacement in-process, can normally work in the bag filter equipment, shut down and step-down process have been avoided, the work efficiency is improved, when the accessory that has solved among the prior art and the inside intercommunication of filter is impaired needs to be changed, all must shut down and just can change the repair after the step-down, easily influence work efficiency's technical problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a bag filter device provided by an embodiment of the present invention;

fig. 2 is a left side view of a bag filter apparatus provided by an embodiment of the present invention;

fig. 3 is a view of the cross-sectional position a-a in fig. 2.

Figure 1-cylinder; 2-a cover body; 3-mounting a port; 4-a switch valve; 5-a feed channel; 6-a discharge channel; 7-an upper chamber; 8-a lower chamber; 9-a first pressure gauge; 10-a second pressure gauge; 11-an exhaust valve; 12-a fastening assembly; 1201-eye bolt; 1202-eye nut; 1203-flange; 1204-grooves; 13-a first lifting assembly; 1301-a sleeve; 1302-screw rod; 1303-hand wheel; 14-a second lifting assembly; 1401-a knee lever; 1402-a drive member; 1403-a guide; 15-connecting pipe; 16-filtration module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of the utility model is to provide a bag filter equipment, solved among the prior art with the impaired time that needs to be changed of the auxiliary part of the inside intercommunication of filter, all must shut down and just can change the repair after the step-down, easily influence work efficiency's technical problem.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-3, the utility model provides a bag filter, including barrel 1, lid 2, coupling assembling, filtering component 16, feedstock channel 5 and discharging channel 6, lid 2 and barrel 1 set up along upper and lower direction, and lid 2 covers in the upper portion opening part of barrel 1 to make lid 2 and barrel 1 inside form jointly and filter the cavity. A plurality of mounting openings 3 are formed in the barrel body 1 and the cover body 2 for mounting auxiliary parts. Switch valves 4 are installed between the installation port 3 and the auxiliary parts for workers to control whether the installation port 3 is communicated with the auxiliary parts. The auxiliary parts are detachably connected with the switch valve 4, so that the auxiliary parts can be conveniently installed and replaced. Coupling assembling is connected with lid 2 and barrel 1, be used for with lid 2 and barrel 1 separation or lock, filtering component 16 sets up inside barrel 1, and with inside barrel 1, filter the cavity promptly, divide into upper chamber 7 and lower chamber 8 from top to bottom, feedstock channel 5 is linked together with upper chamber 7, discharging channel 6 is linked together with lower chamber 8, feedstock channel 5 and discharging channel 6 all run through and fixed connection is on barrel 1 lateral wall, the auxiliary part includes first manometer 9, second manometer 10 and discharge valve 11, first manometer 9 and discharge valve 11 are all installed at the lid and are coveredThe position of the mounting port 3 of the body 2 is used for enabling the first pressure gauge 9 to measure the pressure value of the upper chamber 7 and facilitating the introduction of compressed air through the exhaust valve 11, so that the residual liquid discharge is accelerated, and the waiting time is shortened. The second pressure gauge 10 is installed at the position of the installation port 3 of the cylinder 1 to measure the pressure value of the lower chamber 8. So set up, when bag filter equipment during operation, treat that filtering liquid gets into by feed channel 5 department, after upper chamber 7, filter component 16 and lower cavity 8, flow from discharge channel 6 department, the staff opens on-off valve 4 to make the auxiliary part communicate with each other with barrel 1 inner chamber, the staff can regularly inspect the pressure differential of first manometer 9 and second manometer 10, and then decide the time of opening lid 2 through coupling assembling and changing the filter bag, the pressure differential that general filter bag can bear is 0.5-1kg/cm²(0.05-0.1 MPa). If the damaged when needing to be changed of accessory appears in the work, after staff can close ooff valve 4, dismantle the change to accessory again, also avoid gaseous or liquid blowout in the barrel 1 simultaneously to avoid influencing the pressure differential in the 1 inner chamber of barrel, take place danger, accessory replacement in-process, can normally work in the bag filter equipment, shut down and step-down process have been avoided, work efficiency is improved, when the accessory who has solved among the prior art and the inside intercommunication of filter is damaged needs to be changed, all must shut down and just can change the repair after the step-down, easily influence work efficiency's technical problem.

Wherein, filtering component 16 includes the supporting network, sets up filter bag or wedge type net in the supporting network and with barrel 1 inner wall connection be used for the backup pad of bearing supporting network, is provided with the at least two holes that supply supporting network and feed channel 5 to communicate in the backup pad. One or both of the lower part of the cover body 2 and the upper part of the cylinder body 1 are provided with sealing grooves, sealing rings are arranged in the sealing grooves to improve the sealing effect between the cover body 2 and the cylinder body 1, and the sealing rings can be but are not limited to O-shaped sealing rings.

As the embodiment of the utility model provides an optional embodiment, coupling assembling includes fastening components 12 and lifting unit, and fastening components 12 set up in the circumference of barrel 1 and lid 2 junction for carry out the pressfitting fastening to the junction of barrel 1 and lid 2. One end of the lifting component is connected with the barrel body 1, and the other end of the lifting component is connected with the cover body 2, so that the cover body 2 is lifted upwards to a certain height, and a worker can replace the filter screen conveniently.

Further, the lifting assembly comprises a first lifting assembly 13 and a second lifting assembly 14, the first lifting assembly 13 is connected with the upper portion of the cover body 2 and used for finely adjusting the height of the cover body 2, the lower end of the second lifting assembly 14 is fixedly connected with the barrel body 1, the upper end of the second lifting assembly is fixedly connected with the first lifting assembly 13 and used for greatly lifting the cover body 2 and the first lifting assembly 13, the upper end of the second lifting assembly 14 can rotate relative to the lower end, the rotating axis of the second lifting assembly is arranged along the vertical direction, and when a large enough space exists around the barrel body 1, a worker can adjust the first lifting assembly 13 to adjust the cover body 2 upwards for a certain distance and can transversely rotate to one side of the barrel body 1 so as to expose the opening on the upper portion of the barrel body 1 and facilitate filter bag. When the space around the cylinder 1 is limited, the second lifting assembly 14 can simultaneously lift the cover 2 and the first lifting assembly 13 by a large distance for the worker to replace the filter bag.

Further, the first lifting assembly 13 comprises a sleeve 1301 and a screw rod 1302, the sleeve 1301 is fixedly connected with the upper end of the second lifting assembly 14, and the screw rod 1302 vertically penetrates through the sleeve 1301 and is in threaded connection with the sleeve 1301, that is, an inner side wall of the sleeve 1301 is provided with an inner thread in threaded connection with the screw rod 1302. The lower end of the screw rod 1302 is connected with the cover body 2, and the upper end of the screw rod 1302 is fixedly connected with a hand wheel 1303, so that a worker can hold the screw rod conveniently. So set up, the staff can rotate hand wheel 1303, drive screw 1302 and move for sleeve 1301, and then drive lid 2 and rise or descend.

Further, the second lifting assembly 14 includes a curved bar 1401 and a driving member 1402, a moving end of an upper portion of the driving member 1402 is connected to the curved bar 1401, and further drives the curved bar 1401 to vertically lift, a base of the driving member 1402 is fixedly connected to an outer side wall of the barrel 1, a first end of the curved bar 1401 is connected to the driving member 1402, a second end of the curved bar extends to a top of the cover body 2 and is connected to the first lifting assembly 13, that is, a second end of the curved bar 1401 is fixedly connected to the sleeve 1301, so that the moving end of the driving member 1402 drives the curved bar 1401 to move, and further drives the sleeve 1301, the screw 1302 and the cover body 2 to.

Further, the second lifting assembly 14 further comprises a guide member 1403, the guide member 1403 is sleeved outside the curved rod 1401, and the end portion of the guide member 1403 is fixedly connected with the cylinder 1, that is, the curved rod 1401 can move relative to the guide member 1403, and the guide member 1403 guides and supports the curved rod 1401, so that the connection between the curved rod 1401 and the driving member 1402 is prevented from being stressed too much. Specifically, the guide 1403 may be a strip-shaped plate structure, one end of which is provided with a through hole for the curved rod 1401 to penetrate through, and the other end of which is fixedly connected with the barrel 1.

Further, the driving member 1402 comprises an air cylinder or a hydraulic cylinder, and a piston rod of the air cylinder or the hydraulic cylinder is connected with the lower end of the curved rod 1401. The piston rod can be fixedly connected with the curved rod 1401, the piston rod and the curved rod 1401 are rod pieces with circular cross sections, the curved rod 1401 can drive the piston rod to rotate together when rotating, or the piston rod and the curved rod 1401 are rotatably connected, the rotating axis of the piston rod is along the axis direction of the piston rod, optionally, the piston rod or the curved rod 1401 is provided with an open slot at the end part of one of the piston rod and the open slot is internally provided with a bearing, and the end part of the other one of the piston rod and the curved rod is connected with the.

As the embodiment of the utility model provides an optional implementation mode, fastening components 12 includes eyebolt 1201, eyenut 1202 and flange 1203, eyebolt 1201's afterbody is articulated with barrel 1 lateral wall upper portion, eyenut 1202 overlaps and locates on eyebolt 1201, flange 1203 sets up in the circumference edge of lid 2, and, the outside recess 1204 of opening has been seted up to the side of flange 1203, so set up, when lid 2 moves down and pastes with barrel 1 upper portion, upwards rotate eyebolt 1201, make it get into in the recess 1204, then, the staff can tighten eyenut 1202, make its butt in flange 1203 upper portion, a plurality of fastening components 12 combined action, can be with lid 2 and barrel 1 pressfitting locking. If the barrel 1 needs to be opened, a worker only needs to unscrew the eyenut 1202, pull the eyebolt 1201 away from the groove 1204, and then rotate the cover body 2 to a reasonable position in a reverse or clockwise mode.

Further, the lower end of the screw 1302 is rotatably connected with the cover body 2, the rotation axis of the screw 1302 is along the axial direction of the screw 1302, that is, when the worker rotates the hand wheel 1303 and the screw 1302, the worker can only drive the cover body 2 to vertically move, and the cover body 2 cannot be driven to rotate. Alternatively, the lower end of the screw 1302 and the cover 2 may be connected by a bearing.

As the embodiment of the utility model provides an optional embodiment, the equal fixedly connected with connecting pipe 15 in installing port 3 department, ooff valve 4 are connected in connecting pipe 15 middle part position department, and auxiliary part is threaded connection with the 15 tip of connecting pipe, plays to connect and sealing action, all is connected through connecting pipe 15 between installing port 3 and ooff valve 4 and between auxiliary part and the ooff valve 4 promptly, is convenient for reserve sufficient operating space for the staff.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A bag filter apparatus, comprising:

the device comprises a cylinder body (1) and a cover body (2) for covering an opening at the upper part of the cylinder body (1), wherein mounting ports (3) for mounting auxiliary parts are formed in the cylinder body (1) and the cover body (2), switch valves (4) are arranged between the mounting ports (3) and the auxiliary parts, and the auxiliary parts are detachably connected with the switch valves (4);

the connecting component is used for connecting the cover body (2) and the barrel body (1) and can separate or buckle the cover body (2) and the barrel body (1);

a filter assembly (16) disposed inside the cylinder (1) and dividing the cylinder (1) into an upper chamber (7) and a lower chamber (8);

a feed channel (5) for communicating with the upper chamber (7) and a discharge channel (6) for communicating with the lower chamber (8), the feed channel (5) and the discharge channel (6) being both provided on the cylinder (1);

the auxiliary parts comprise a first pressure gauge (9) for measuring the pressure value of the upper chamber (7), a second pressure gauge (10) for measuring the pressure value of the lower chamber (8) and an exhaust valve (11) communicated with the upper chamber (7).

2. The bag filter arrangement according to claim 1, characterised in that the connection assembly comprises a plurality of fastening assemblies (12) arranged circumferentially at the connection of the cylinder (1) and the cover (2) and a lifting assembly connected at one end to the cylinder (1) and at the other end to the cover (2).

3. The bag-type filtration device according to claim 2, wherein the lifting assembly comprises a first lifting assembly (13) for finely adjusting the height of the cover body (2) and a second lifting assembly (14) for substantially lifting the cover body (2), the first lifting assembly (13) is arranged at the upper end of the second lifting assembly (14), the upper end and the lower end of the second lifting assembly (14) are rotatably connected, and the rotation axis of the second lifting assembly is in the vertical direction.

4. The bag filter device according to claim 3, wherein the first lifting assembly (13) comprises a sleeve (1301) fixedly connected with the upper end of the second lifting assembly (14) and a screw rod (1302) vertically penetrating the sleeve (1301) and in threaded connection with the sleeve (1301), the lower end of the screw rod (1302) is connected with the cover body (2), and the upper end is provided with a hand wheel (1303).

5. The bag type filtering device according to claim 3, wherein the second lifting assembly (14) comprises a curved rod (1401) and a driving member (1402) for driving the curved rod (1401) to vertically lift, the driving member (1402) is fixedly connected with the outer side wall of the barrel body (1), the first end of the curved rod (1401) is connected with the driving member (1402), and the second end extends to the upper part of the cover body (2) and is connected with the first lifting assembly (13).

6. The bag filter apparatus of claim 5, wherein the second lifting assembly (14) further comprises a guide member (1403) sleeved outside the curved bar (1401) and having an end fixedly connected to the cylinder (1).

7. The bag type filtering device according to claim 2, characterized in that the fastening assembly (12) comprises an eye bolt (1201) with the tail part hinged with the upper part of the side wall of the cylinder body (1), an eye nut (1202) sleeved on the eye bolt (1201) and a flange (1203) arranged on the circumferential edge of the cover body (2) and used for abutting against the eye nut (1202), and a groove (1204) for extending the eye bolt (1201) is arranged on the flange (1203).

8. The bag filter according to claim 1, wherein a connecting pipe (15) is fixedly connected to each of the mounting ports (3), the on-off valve (4) is connected to the connecting pipe (15), and the auxiliary member is threadedly connected to the end of the connecting pipe (15).

9. The bag filter arrangement according to claim 5, wherein the drive member (1402) comprises a pneumatic or hydraulic cylinder.

10. The bag filter arrangement according to claim 4, wherein a rotatable connection is provided between the lower end of the screw (1302) and the cover (2), the axis of rotation of which is in the axial direction of the screw (1302).