CN210977640U - Tail gas filtering device - Google Patents

Abstract

The application discloses tail gas filter equipment relates to tail gas filtration technical field. The exhaust gas filter device can comprise a box body (01), a first plugging piece (02) and a filter component (03). Air inlet (011) of this box body (01) can be used for being connected with tail gas discharge pipe, and fill opening (013) of this box body (01) can be used for pouring into fire extinguishing medium (A) into box body (01), and this fire extinguishing medium (A) can make the spark in the tail gas that tail gas discharge pipe discharged extinguish to can avoid this tail gas to initiate the conflagration. The gas vent (012) of this box body (01) can communicate with filter assembly (03), and this filter assembly (03) can filter the solid particle thing in this tail gas. Therefore, the tail gas filtering device can improve the filtering effect of particles in the tail gas of the cabinet body on the premise of avoiding fire caused by sparks, thereby avoiding the pollution to the environment caused by the tail gas exhausted by the tail gas filtering device.

Description

Tail gas filtering device

Technical Field

The application relates to the technical field of tail gas filtration, in particular to a tail gas filtering device.

Background

During the operation of the workover rig, the tail gas carrying substances such as sparks and solid particles is usually discharged through a tail gas discharge pipe of the workover rig.

In the related art, in order to avoid the problem of fire caused by sparks in exhaust gas, a fire cap is usually sleeved on the exhaust gas discharge pipe of the workover rig. The fire-proof cap can prevent sparks from being discharged out of the fire-proof cap, so that fire caused by the sparks can be avoided.

However, the filtering effect of the fire-proof cap on solid particles in tail gas discharged from a tail gas discharge pipe of the workover rig is poor, so that the tail gas passing through the fire-proof cap easily causes environmental pollution.

SUMMERY OF THE UTILITY MODEL

The application provides a tail gas filter equipment can solve the relatively poor problem of solid particle's the filter effect of the fire cap among the correlation technique in to the exhaust tail gas of the tail gas discharge pipe of workover rig. The technical scheme is as follows:

the device comprises: the fire extinguishing device comprises a box body, a tail gas discharging pipe and a gas inlet, wherein the box body is provided with a gas inlet, a gas outlet and a filling opening, the gas inlet is configured to be connected with the tail gas discharging pipe, fire extinguishing media injected through the filling opening are filled in the box body, and the gas inlet, the gas outlet and the filling opening are all located on one side, away from a bearing surface used for bearing the fire extinguishing media, in the box body;

a first closure member removably connected to the fill port;

and the filtering component is positioned in the box body and connected with the box body, the filtering component is communicated with the exhaust port, and the filtering component is configured to filter solid particles in the tail gas discharged by the tail gas discharge pipe.

Optionally, the filter assembly includes: the first exhaust pipe is connected with the box body, and the at least one filter plate is connected with the inner wall of the first exhaust pipe;

wherein, the orthographic projection of each filter plate on a target plane covers the orthographic projection of the opening of the second end of the first exhaust pipe on the target plane, and the target plane is a plane perpendicular to the axis of the first exhaust pipe.

Optionally, each of the filter panels comprises: a filter plate body provided with a plurality of filter holes.

Optionally, the at least one filter plate comprises: the filter plate comprises a plurality of filter plates, wherein any two adjacent plate surfaces of the filter plates are intersected.

Optionally, the apparatus further comprises: be located the box body is external and with one end box body fixed connection's connecting pipe, and with the connecting pipe is kept away from the one end fixed connection's of box body ring flange, the connecting pipe with the air inlet intercommunication, the ring flange be configured into with exhaust delivery union coupling.

Optionally, the cartridge further has a discharge port, and the apparatus further comprises: a second block piece detachably connected with the discharge port; the fire extinguishing medium filled in the box body can be discharged from the box body through the discharge port, and the discharge port is positioned on one side close to the bearing surface in the box body.

Optionally, the apparatus further comprises: and the second exhaust pipe is positioned outside the box body and is fixedly connected with the box body, and the second exhaust pipe is communicated with the exhaust port.

Optionally, the second exhaust pipe is a bent pipe body.

Optionally, the fire extinguishing medium comprises: water or sand.

Optionally, the box body is shaped like a cube, and the air inlet and the air outlet are located on the same side wall of the box body.

The technical scheme provided by the application has the beneficial effects that:

the application provides a tail gas filter equipment, the device can include box body, first shutoff piece and filtering component. The air inlet of this box body can be used for being connected with exhaust emission pipe, and the fill opening of this box body can be used for pouring into the medium of putting out a fire into to the box body, and this medium of putting out a fire can make the spark in the tail gas that exhaust emission pipe discharged extinguish to can avoid this spark to initiate the conflagration. The gas vent of this box body can communicate with filtering component, and this filtering component can filter the solid particle thing in this tail gas. Therefore, the tail gas filtering device can improve the filtering effect on solid particles in tail gas discharged by the tail gas discharge pipe on the premise of avoiding the fire caused by the sparks, thereby avoiding the pollution to the environment caused by the tail gas discharged by the tail gas filtering device.

Drawings

Fig. 1 is a cross-sectional view of an exhaust gas filtering device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of another exhaust gas filtering device according to an embodiment of the present invention;

fig. 3 is a top view of an exhaust gas filtering device according to an embodiment of the present invention;

fig. 4 is a top view of another exhaust gas filtering device according to an embodiment of the present invention;

fig. 5 is a top view of another exhaust gas filtering device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a filter plate according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a tail gas filter equipment, see fig. 1, this tail gas filter equipment can include: a cartridge 01, a first closure 02, and a filter assembly 03. The case 01 has an air inlet 011, an air outlet 012, and a filling port 013. Wherein, the box body 01 is filled with the fire extinguishing medium a injected through the filling port 013, the air inlet 011 is configured to be connected with the exhaust gas discharging pipe, and the air outlet 012 is configured to discharge the exhaust gas filtered by the filtering component 03.

The air inlet 011, the air outlet 012 and the filling port 013 can be located on one side of the carrying surface S for carrying the fire extinguishing medium a in the box body 01. For example, referring to fig. 1, the air inlet 011, the air outlet 012 and the filling port 013 are all located on the opposite side of the box body 01 from the carrying surface S.

The first blocking member 02 can be removably coupled to the fill port 013. When the fire extinguishing medium a needs to be injected into the box body 01, the connection between the first blocking piece 02 and the filling port 013 can be removed, and at this time, the fire extinguishing medium a can be injected into the box body 01 through the filling port 013. After the fire extinguishing medium a is injected into the case 01, the first closing member 02 may be attached to the filling port 013 such that the first closing member 02 can close the filling port 013 to prevent exhaust gas entering the case 01 from being discharged from the filling port 013. Due to the fact that the filling opening 013 is arranged, the fire extinguishing medium A can be conveniently filled into the box body 01, and the fire extinguishing medium A can be conveniently replaced.

This filter assembly 03 can be located this box body 01 and be connected with box body 01, and this filter assembly 03 can communicate with this gas vent 012, and this filter assembly 03 is configured as the solid particle thing in the tail gas of filtering the exhaust emission pipe emission to avoid this tail gas to cause the pollution to the environment.

Will the embodiment of the utility model provides a tail gas filter equipment and tail gas discharge pipe are connected the back, and tail gas discharge pipe exhaust tail gas can get into in the box body 01 through the air inlet 011 on the box body 01. First, the sparks in the tail gas entering the box body 01 contact with the fire extinguishing medium a filled in the box body 01, and the fire extinguishing medium a can extinguish the sparks, so that fires caused by the sparks in the tail gas can be avoided. The exhaust gas from which sparks are removed can then pass through the filter assembly 03 in the cartridge 01, and the filter assembly 03 can filter solid particles in the exhaust gas. Finally, the exhaust port 012 of this box body 01 can be followed to the tail gas after filtration of filter component 03 discharges, has avoided the solid particle thing in the tail gas to cause the pollution to the environment from this, and then has avoided tail gas discharge pipe exhaust tail gas to cause the pollution to the environment.

To sum up, the embodiment of the utility model provides a tail gas filter equipment, the device can include box body, first shutoff piece and filtering component. The air inlet of this box body can be used for being connected with exhaust emission pipe, and the fill opening of this box body can be used for pouring into the medium of putting out a fire into to the box body, and this medium of putting out a fire can make the spark in the tail gas that exhaust emission pipe discharged extinguish to can avoid this spark to initiate the conflagration. The gas vent of this box body can communicate with filtering component, and this filtering component can filter the solid particle thing in this tail gas. Therefore, the tail gas filtering device can improve the filtering effect on solid particles in tail gas discharged by the tail gas discharge pipe on the premise of avoiding the fire caused by the sparks, thereby avoiding the pollution to the environment caused by the tail gas discharged by the tail gas filtering device.

Alternatively, the fire extinguishing medium a may comprise: water or sand, etc. which can extinguish sparks in exhaust gas discharged from the exhaust gas discharge pipe. The embodiment of the utility model provides a do not restrict this fire extinguishing medium A's type, only need guarantee this fire extinguishing medium A can make the spark in this tail gas extinguish can.

In the embodiment of the present invention, the shape of the box body 01 may be cylindrical, or, the air inlet 011 and the air outlet 012 may be located on the same side wall of the box body 01. The following examples are all described by taking the case 01 as a cube.

In the embodiment of the present invention, referring to fig. 2, the filtering component 03 in the exhaust gas filtering apparatus may include: be located this box body 01 and the first exhaust pipe 031 of being connected with this box body 01 to and be located first exhaust pipe 031 and at least one filter 032 of being connected with the inner wall of this first exhaust pipe 031. A first end of the first exhaust pipe 031 communicates with the exhaust port 012; the opening of the second end of the first exhaust pipe 031 does not contact the inner wall of the box body 01. It is ensured that the exhaust gas entering the box body 01 can enter from the second end of the first exhaust pipe 031 and exit from the first end of the first exhaust pipe 031. As can be seen from fig. 2, the first end of the first exhaust pipe 031 can be the end far away from the fire extinguishing medium a, and the second end can be the end near the fire extinguishing medium a.

Wherein, the orthographic projection of each filter plate 032 on the target plane covers the orthographic projection of the opening of the second end of the first exhaust pipe 031 on the target plane. And the orthographic projection of each filter plate 032 on the target plane covers the orthographic projection of the exhaust port 012 arranged on the box body 01 on the target plane. The target plane is a plane perpendicular to the axis of the first exhaust pipe 031. From this, can guarantee on the one hand that the tail gas that enters into box body 01 all discharges outside this box body 01 through first blast pipe 031, has ensured the filter effect to tail gas. On the other hand, can guarantee that the tail gas that gets into through the second end of first exhaust pipe 031 can all discharge from the first end of first exhaust pipe 031 after filter 032, further ensure the filter effect to tail gas.

In the embodiment of the present invention, the orthographic projection of the first exhaust pipe 031 on the target plane may be circular, elliptical or polygonal (e.g. rectangular). The embodiment of the utility model provides a do not restrict the shape of this first exhaust pipe 031 orthographic projection on the target plane, only need guarantee this first exhaust pipe 031 and this gas vent 012 intercommunication can.

Assuming that the orthographic projection of the first exhaust pipe 031 on the target plane is rectangular, the first exhaust pipe 031 may be surrounded by at least one connecting plate 0311, and accordingly, the filter plate 032 may be rectangular in shape. The orthographic projection of each connecting plate 0311 on the plane of the air inlet 011 does not cover the air inlet 011, so as to ensure that the exhaust entering from the air inlet 011 is not blocked by the connecting plate 0311.

In an alternative implementation, referring to fig. 2 and 3, the at least one coupling plate 0311 may comprise one coupling plate 0311. The connecting plate 0311 and the sidewall of the box 01 can form the first exhaust pipe 031. Correspondingly, one side of every filter 032 can be connected with the face of this connecting plate 0311, and remaining three sides can be connected with the inner wall of this box body 01 respectively to guarantee the orthographic projection of every filter 032 on the target plane, cover the orthographic projection of the opening of the second end of first exhaust pipe 031 on the target plane.

In another alternative implementation, the at least one coupling plate 0311 may include a plurality of coupling plates 0311. For example, referring to fig. 4, the at least one connection plate 0311 may include three connection plates 0311, and the first exhaust pipe 031 may be defined by the three connection plates 0311 and the inner wall of the box body 01. Correspondingly, one side of every filter 032 can be connected with the inner wall of this box body 01, and remaining three sides are connected with the face one-to-one of three connecting plate 0311 respectively to guarantee the orthographic projection of every filter 032 on the target plane, cover the orthographic projection of the opening of the second end of first exhaust pipe 031 on the target plane.

For another example, referring to fig. 5, the at least one connecting plate 0311 may include four connecting plates 0311, and the four connecting plates 0311 may enclose the first exhaust pipe 031. Correspondingly, four sides of each filter plate 032 are all connected with the plate surface one-to-one correspondence of 4 connecting plates 0311 to guarantee the orthographic projection of each filter plate 032 on the target plane, cover the orthographic projection of the opening of the second end of the first exhaust pipe 031 on the target plane.

As can also be seen in fig. 2, the at least one filter plate 032 may comprise: a plurality of filter plates 032. The plate surfaces of any two adjacent filter plates 032 may intersect, that is, the filter plates 032 may be arranged in a cross manner. Therefore, on the one hand, the filtering effect of the filtering component 03 can be effectively ensured, and on the other hand, the cross filtering plates 032 can reduce the noise when the tail gas is exhausted.

Optionally, in the plurality of filter plates 032, each filter plate 032 may be parallel to the plate surface of one filter plate 032 disposed at an interval therebetween. Also, each filter plate 032 may be in contact with its neighboring filter plate 032.

In an embodiment of the present invention, referring to fig. 6, each filter plate 032 may include: the filter plate body 0321 is provided with a plurality of filter holes 0321a on the filter plate body 0321. The maximum width of each filter hole 0321a is smaller than the diameter of the solid particles in the exhaust gas discharged from the exhaust gas discharge pipe, so that the filter assembly 03 can be ensured to filter the solid particles in the exhaust gas, and the pollution of the exhaust gas to the environment is avoided.

Alternatively, each filter hole 0321a may be a circular hole, an elliptical hole, or a polygonal hole (e.g., a square hole). The embodiment of the utility model provides a do not restrict to this shape of filtering hole 0321a, only need guarantee that this maximum width of filtering hole 0321a is less than this solid particle's diameter.

If the filtering bores 0321a are circular bores, the maximum width of the filtering bores 0321a is the diameter of the circular bore 0321 a. If the filtering hole 0321a is an elliptical hole, the maximum width of the filtering hole 0321a is the major diameter of the elliptical hole. If the filtering hole 0321a is a polygonal hole, the maximum width of the filtering hole 0321a is the diameter of the circumscribed circle of the polygonal hole.

In the related art, the fire cap may be connected to an exhaust gas discharge pipe of a workover rig by means of a clampband. For example, the collar may be attached to the exhaust pipe and the operator may then tighten the nuts on either side of the collar to attach the cap to the exhaust pipe. However, in the related art, if the exhaust gas discharge pipe vibrates violently, the nut of the clamp is easy to loosen and even fall off, so that the connection between the fire-proof cap and the exhaust gas discharge pipe is disconnected, and the exhaust gas discharged from the exhaust gas discharge pipe is directly discharged without passing through the fire-proof cap.

In the embodiment of the present invention, as shown in fig. 2, the tail gas filtering device may further include: and the connecting pipe 04 is positioned outside the box body 01, one end of the connecting pipe 04 is fixedly connected with the box body 01, and the connecting pipe 04 is communicated with the air inlet 011. This connecting pipe 04 is configured as and tail gas discharge pipe fixed connection, from this when tail gas discharge pipe vibrations are more violent, can avoid appearing the phenomenon of the disconnection of connection between this tail gas discharge pipe and the connecting pipe 04 among the tail gas filter equipment, and then has avoided appearing the phenomenon that tail gas does not pass through tail gas filter equipment and directly discharges.

It should be noted that, there are a plurality of modes of connecting pipe 04 and exhaust gas discharge pipe fixed connection, the embodiment of the present invention is schematically illustrated by taking the following three realizable modes as examples:

in a first implementation, the connection tube 04 may be welded to the exhaust pipe.

In a second implementation, the connection pipe 04 may be screwed to the exhaust gas discharge pipe. For example, an internal thread may be disposed on the connection pipe 04, an external thread matched with the internal thread may be disposed on the exhaust gas discharge pipe, and the threaded connection between the exhaust gas discharge pipe and the connection pipe 04 may be achieved through the matching of the internal thread and the external thread.

In a third implementation manner, referring to fig. 2, the exhaust gas filtering device may further include: and the flange 05 is positioned outside the box body 01 and fixedly connected with one end, far away from the box body 01, of the connecting pipe 04, and the flange 05 is configured to be connected with the tail gas discharge pipe. It should be noted that a flange is also provided on the exhaust gas discharge pipe. Correspondingly, the exhaust gas discharge pipe may be fixedly connected with the connection pipe 04 through a flange, for example, first, the flange 05 included in the exhaust gas filtering device may be aligned with the flange on the exhaust gas discharge pipe, and then the aligned two flanges may be fixed by bolts, so as to fixedly connect the connection pipe 04 with the exhaust gas discharge pipe. Alternatively, one end of the connection pipe 04 (i.e., the end far from the case 01) may be welded to the flange 05, and the other end of the connection pipe 04 (i.e., the end near the case 01) may be welded to the case 01.

Referring to fig. 2, the cartridge 01 further has a discharge port 014, and the exhaust gas filtering device may further include: a second closing member 06 detachably connected to the discharge port 014. The discharging port 014 may be located at a side close to the carrying surface S in the case 01. For example, referring to FIG. 2, the vent 014 can be located adjacent to the load bearing surface S.

The fire extinguishing medium a filled in the box body 01 or a mixture of the fire extinguishing medium a and extinguished spark particles can be discharged from the box body 01 through the discharge port 014. When it is necessary to discharge the fire extinguishing medium a or the mixture of the fire extinguishing medium a and the extinguished spark particles in the box body 01, the connection between the second closing piece 06 and the discharge port 014 may be removed, and at this time, the fire extinguishing medium a or the mixture of the fire extinguishing medium a and the extinguished spark particles may be discharged through the discharge port 014. After the discharge of the extinguishing medium a or the mixture of extinguishing medium a with extinguished spark particles or the like, the second closing piece 06 can be mounted on the discharge opening 014 so that the second closing piece 06 can close the discharge opening 014.

Alternatively, the discharge opening 014 may be in contact with the extinguishing medium a, whereby the extinguishing medium a, or a mixture of the extinguishing medium a and extinguished spark particles, etc., may be easily discharged.

The embodiment of the utility model provides an in, this tail gas filter equipment can also include: and the first connecting cylinder 07 and the second connecting cylinder 08 are positioned outside the box body 01 and connected with the box body 01. The first connecting cylinder 07 is in communication with the filling opening 013, and accordingly, the first blocking piece 02 can be arranged in the first connecting cylinder 07 to block the filling opening 013. The second connector barrel 08 communicates with the discharge opening 014 and, correspondingly, a second closure member 06 may be provided in the second connector barrel 08 to effect closure of the discharge opening 014.

Optionally, the inner walls of the first connecting cylinder 07 and the second connecting cylinder 08 are both provided with internal threads, and correspondingly, the first blocking piece 02 and the second blocking piece 06 may both be screw plugs with external threads.

In the embodiment of the present invention, referring to fig. 2, the exhaust gas filtering apparatus may further include a first connection rope L1 and a second connection rope L2, wherein one end of the first connection rope L1 may be connected to the first plugging member 02 and the other end may be connected to the first connection tube 07, one end of the second connection rope L2 may be connected to the second plugging member 06 and the other end may be connected to the second connection tube 08, the first connection rope L1 may prevent the first plugging member 02 from being easily lost after the first plugging member 02 is disconnected from the first connection tube 07, and similarly, the second connection rope L2 may prevent the second plugging member 06 from being easily lost after the second plugging member 06 is disconnected from the first connection tube 07.

Optionally, referring to fig. 2, the exhaust gas filtering apparatus may further include: the second exhaust pipe 09 is located outside the box body 01 and is fixedly connected with the box body 01, and the second exhaust pipe 09 is communicated with the exhaust port 012 to exhaust the filtered exhaust gas. Optionally, the second exhaust pipe 09 is a bent pipe.

The embodiment of the utility model provides an in, this tail gas discharge pipe can be the tail gas discharge pipe of workover rig or the tail gas discharge pipe of vehicle.

It should be noted that, if the tail gas discharge pipe is the tail gas discharge pipe of the workover rig, the tail gas filtering device can be fixed on the workover rig after being connected with the tail gas discharge pipe, so as to avoid the back and forth swing of the tail gas filtering device.

To sum up, the embodiment of the utility model provides a tail gas filter equipment, the device can include box body, first shutoff piece and filtering component. The air inlet of this box body can be used for being connected with exhaust emission pipe, and the fill opening of this box body can be used for pouring into the medium of putting out a fire into to the box body, and this medium of putting out a fire can make the spark in the tail gas that exhaust emission pipe discharged extinguish to can avoid this spark to initiate the conflagration. The gas vent of this box body can communicate with filtering component, and this filtering component can filter the solid particle thing in this tail gas. Therefore, the tail gas filtering device can improve the filtering effect on solid particles in tail gas discharged by the tail gas discharge pipe on the premise of avoiding the fire caused by the sparks, thereby avoiding the pollution to the environment caused by the tail gas discharged by the tail gas filtering device.

The above description is only exemplary of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like that are made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. An exhaust gas filtering device, comprising:

a cartridge (01) having an air inlet (011), an air outlet (012), and a filling port (013), the air inlet (011) configured to be connected with an exhaust gas discharge pipe, wherein the cartridge (01) is filled with a fire extinguishing medium (A) injected through the filling port (013), the air inlet (011), the air outlet (012), and the filling port (013) all being located at a side away from a carrying surface (S) within the cartridge (01) for carrying the fire extinguishing medium (A);

a first blocking piece (02) detachably connected to the filling opening (013);

and a filter assembly (03) located in the box body (01) and connected with the box body (01), the filter assembly (03) is communicated with the exhaust port (012), and the filter assembly (03) is configured to filter solid particles in the exhaust gas discharged by the exhaust gas discharge pipe.

2. The device according to claim 1, characterized in that said filtering assembly (03) comprises: the air purifier comprises a first exhaust pipe (031) connected with the box body (01) and at least one filter plate (032) connected with the inner wall of the first exhaust pipe (031), wherein the first end of the first exhaust pipe (031) is communicated with the exhaust port (012);

wherein an orthographic projection of each filter plate (032) on a target plane, which is a plane perpendicular to an axis of the first exhaust pipe (031), covers an orthographic projection of an opening of the second end of the first exhaust pipe (031) on the target plane.

3. The apparatus according to claim 2, wherein each of said filter plates (032) comprises: a filter plate body (0321) provided with a plurality of filter holes (0321 a).

4. The apparatus according to claim 2, wherein said at least one filter plate (032) comprises: a plurality of filter plates (032), the plate surfaces of any two adjacent filter plates (032) are intersected.

5. The apparatus of claim 1, further comprising: be located outside box body (01) and one end with box body (01) fixed connection's connecting pipe (04), and with connecting pipe (04) are kept away from the one end fixed connection's of box body (01) ring flange (05), connecting pipe (04) with air inlet (011) intercommunication, ring flange (05) configured with exhaust emission pipe connects.

6. The device according to claim 1, characterized in that the cartridge (01) further has an outlet (014), the device further comprising: a second closing member (06) detachably connected to the discharge port (014);

the fire extinguishing medium (A) filled in the box body (01) can be discharged from the box body (01) through the discharge port (014), and the discharge port (014) is located on one side close to the bearing surface (S) in the box body (01).

7. The apparatus of claim 1, further comprising: be located box body (01) outside and with box body (01) fixed connection's second blast pipe (09), second blast pipe (09) with gas vent (012) intercommunication.

8. The device according to claim 7, characterized in that said second exhaust duct (09) is a bent tubular body.

9. The device according to any one of claims 1 to 8, wherein the extinguishing medium (A) comprises: water or sand.

10. The device according to any one of claims 1 to 8, characterized in that the box (01) is cubical in shape, the air inlet (011) and the air outlet (012) being located on the same side wall of the box (01).

Images