阅读说明：本技术 一种废气喷淋气压保护装置 (Waste gas sprays atmospheric pressure protection device ) 是由 许开华 魏琼 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种废气喷淋气压保护装置,包括水封罐和至少一个进气组件,水封罐内装盛有密封液,水封罐的侧壁开设有出水口；进气组件包括进气管和内置于进气管的气压件,进气管的出气端插入水封罐且其出气端的周向外壁开设有至少一出气孔,出气孔位于密封液的液面下,气压件包括密封件和弹性件,密封件可滑动内置于进气管并与进气管的内壁密封连接,以通过密封件滑动开闭进气管的进气端与出气孔间的路径；弹性件设置于密封件远离出气孔的一侧,并分别连接于进气管的内壁和密封件,用于提供密封件滑动后的回弹力。本发明所述的废气喷淋气压保护装置能有效避免设备中的废气直接通过水封罐。(The invention discloses a waste gas spraying air pressure protection device which comprises a water-sealed tank and at least one air inlet assembly, wherein sealing liquid is filled in the water-sealed tank, and the side wall of the water-sealed tank is provided with a water outlet; the air inlet component comprises an air inlet pipe and an air pressure piece arranged in the air inlet pipe, the air outlet end of the air inlet pipe is inserted into the water-sealed tank, the circumferential outer wall of the air outlet end of the air inlet pipe is provided with at least one air outlet hole, the air outlet hole is positioned below the liquid level of the sealing liquid, the air pressure piece comprises a sealing piece and an elastic piece, the sealing piece is arranged in the air inlet pipe in a sliding mode and is connected with the inner wall of the air inlet pipe in a sealing mode, and the path between the air inlet end of the air inlet pipe and the air outlet hole is opened and closed through sliding of the sealing piece; the elastic piece is arranged on one side, far away from the air outlet hole, of the sealing piece, is connected to the inner wall of the air inlet pipe and the sealing piece respectively, and is used for providing resilience force after the sealing piece slides. The waste gas spraying air pressure protection device can effectively prevent waste gas in equipment from directly passing through the water seal tank.)

1. An exhaust spray pressure protection device, comprising:

the water-sealed tank is filled with sealing liquid, and the side wall of the water-sealed tank is provided with a water outlet;

the air pressure piece comprises a sealing piece and an elastic piece, the sealing piece is slidably arranged in the air inlet pipe and is in sealing connection with the inner wall of the air inlet pipe, so that a path between the air inlet end of the air inlet pipe and the air outlet hole is opened and closed through sliding of the sealing piece; the elastic piece is arranged on one side, away from the air outlet hole, of the sealing piece, is respectively connected to the inner wall of the air inlet pipe and the sealing piece, and is used for providing resilience force after the sealing piece slides;

when intake pipe internal gas pressure does not reach and sets for the threshold value, the sealing member is located the venthole is located the top, the sealing member is sealed the route, works as intake pipe internal gas pressure is greater than when setting for the threshold value, the sealing member is opened the route.

2. The exhaust gas spraying air pressure protection device of claim 1, wherein at least one mounting hole is formed in the top of the water sealed tank, and the gas outlet end of the gas inlet pipe penetrates into the water sealed tank through the mounting hole and is connected to the inner wall of the mounting hole.

3. The exhaust gas spray air pressure protection device according to claim 1, wherein an inner wall of an air inlet end of the air inlet pipe is axially provided with a mounting groove, the air pressing member further comprises a fixing block and a screw rod, the fixing block is arranged in the mounting groove and detachably connected to the inner wall of the mounting groove, the fixing block is axially provided with a threaded hole and at least one ventilation hole, one end of the screw rod is in threaded connection with the threaded hole, and the other end of the screw rod is connected to one end of the elastic member, which is far away from the sealing member.

4. The exhaust gas spray pressure protection device of claim 3, wherein the pneumatic element further comprises a fixed disk slidably disposed in the intake pipe and having a communication gap between an outer wall thereof and an inner wall of the intake pipe, and the other end of the screw is connected to the elastic element through the fixed disk.

5. The exhaust spray plenum protection device of claim 3, wherein the plenum further comprises a stem coupled to an end of the screw and disposed on a side of the mounting block remote from the seal.

6. The exhaust gas spray air pressure protection device according to claim 3, wherein the fixed block is provided with a plurality of vent holes, and the plurality of vent holes are uniformly distributed along the circumferential direction of the air inlet pipe.

7. The exhaust spray plenum protection device of claim 5, wherein the air intake assembly further comprises a filter element comprising a filter cartridge slidably inserted into the mounting slot and disposed above the stem.

8. The exhaust gas spray pressure protection device of claim 7, wherein the interior of the filter cylinder is hollow and is open at the top, the cross section of the filter cylinder is in a truncated cone shape, the outer diameter of the filter cylinder is continuously reduced along the direction close to the rotating handle, the outer wall of the large-diameter end of the filter cylinder is attached to the inner wall of the mounting groove, and the bottom and the circumferential outer wall of the filter cylinder are provided with a plurality of filter holes.

9. The exhaust spray plenum protection device of claim 8, wherein the filter element further comprises retaining rods disposed radially of the filter cartridge and attached to the open end of the filter cartridge.

10. The exhaust gas spray pressure protection device of claim 1, wherein a flange is mounted on an end surface of the inlet end of the inlet pipe, and the flange is coaxially disposed with the inlet pipe.

Technical Field

The invention relates to the technical field of waste gas spraying, in particular to a waste gas spraying air pressure protection device.

Background

In the process of scrubbing the waste gas, the gas pressure in some equipment for treating the waste gas is too high to exceed the set gas pressure of the equipment, and the excessive gas in the equipment is generally discharged through a water-sealed tank so as to reduce the gas pressure in the equipment.

Notice No. CN208442843U discloses a let out explode jar, including a jar body, set up upper cover and the low head on a jar body, be provided with on the upper cover and communicate in jar internal portion let out explode the mouth, be provided with on the upper cover and communicate in jar internal portion's intake pipe and outlet duct, jar internal splendid attire has water-sealed liquid, the lower extreme of intake pipe is less than the liquid level of water-sealed liquid and the lower extreme of outlet duct is higher than the liquid level of water-sealed liquid, the outlet duct middle part is provided with the dust hood.

The air inlet pipe is communicated with equipment needing pressure relief protection, when air pressure in the equipment is too large, air enters the air inlet pipe and flushes out water sealing liquid, flushed air enters the spray tower through an air outlet of the water sealing tank, the pressure of pressure relief of the water sealing tank is related to the depth of the air inlet pipe immersed in the water sealing liquid, the deeper the depth is, the larger the pressure of pressure relief is, when the amount of the water sealing liquid in the water sealing tank is too small, waste gas in the equipment directly enters the spray tower through the water sealing tank, and the defect exists.

Disclosure of Invention

In view of this, it is necessary to provide a waste gas spraying pressure protection device, which solves the technical problem in the prior art that too little water-sealed liquid in the water-sealed tank may cause waste gas in the equipment to directly flow through the water-sealed tank.

In order to achieve the above technical object, a technical solution of the present invention provides a waste gas spray pressure protection device, including:

the water-sealed tank is filled with sealing liquid, and the side wall of the water-sealed tank is provided with a water outlet;

the air pressure piece comprises a sealing piece and an elastic piece, the sealing piece can be slidably arranged in the air inlet pipe and is in sealing connection with the inner wall of the air inlet pipe, so that a path between the air inlet end of the air inlet pipe and the air outlet hole is opened and closed through sliding of the sealing piece; the elastic piece is arranged on one side of the sealing piece, which is far away from the air outlet hole, is respectively connected to the inner wall of the air inlet pipe and the sealing piece, and is used for providing resilience force after the sealing piece slides;

when intake pipe internal gas pressure does not reach and sets for the threshold value, the sealing member is located the venthole is located the top, the sealing member is sealed the route, works as intake pipe internal gas pressure is greater than when setting for the threshold value, the sealing member is opened the route.

Furthermore, at least one mounting hole is opened at the top of water-sealed tank, the end of giving vent to anger of intake pipe warp the mounting hole penetrates the water-sealed tank, and be connected in the inner wall of mounting hole.

Furthermore, the inner wall of the air inlet end of the air inlet pipe is provided with a mounting groove along the axial direction, the pneumatic part further comprises a fixing block and a screw rod, the fixing block is arranged in the mounting groove and detachably connected to the inner wall of the mounting groove, the fixing block is provided with a threaded hole and at least one ventilation hole along the axial direction of the air inlet pipe, and one end of the screw rod is in threaded connection with the threaded hole and the other end of the screw rod is connected to one end, far away from the sealing element, of the elastic element.

Furthermore, the pneumatic part further comprises a fixed disk, the fixed disk is slidably arranged in the air inlet pipe, a circulation gap is formed between the outer wall of the fixed disk and the inner wall of the air inlet pipe, and the other end of the screw rod is connected to the elastic part through the fixed disk.

Furthermore, the pneumatic part further comprises a rotating handle, and the rotating handle is connected to one end of the screw rod and arranged on one side, far away from the sealing element, of the fixing block.

Furthermore, the number of the vent holes formed in the fixing block is multiple, and the vent holes are uniformly distributed along the circumferential direction of the air inlet pipe.

Furthermore, the air inlet assembly further comprises a filter element, wherein the filter element comprises a filter cartridge, and the filter cartridge is slidably inserted into the mounting groove and is arranged above the rotating handle.

Furthermore, the interior of the filter cylinder is hollow, the top of the filter cylinder is opened, the cross section of the filter cylinder is in a circular truncated cone shape, the outer diameter of the filter cylinder is continuously reduced along the direction close to the rotating handle, the outer wall of the large-diameter end of the filter cylinder is attached to the inner wall of the mounting groove, and a plurality of filter holes are formed in the bottom of the filter cylinder and the circumferential outer wall of the filter cylinder.

Further, the filter element further comprises a fixing rod, and the fixing rod is arranged along the radial direction of the filter cartridge and connected to the open end of the filter cartridge.

Furthermore, a flange plate is installed on the end face of the air inlet end of the air inlet pipe, and the flange plate and the air inlet pipe are coaxially arranged.

Compared with the prior art, the invention has the beneficial effects that: when the air pressure in the air inlet pipe is increased, the air pushes the sealing element to move, and the elastic element is stretched when the sealing element moves; when the air pressure in the air inlet pipe reaches a certain value, the air pushes the sealing piece to slide through the air outlet hole, the air in the air inlet pipe enters the water seal tank through the air outlet hole, and the flushed water seal liquid enters the spray tower through the water outlet of the water seal tank, so that the pressure relief of the equipment is realized, and due to the existence of the elastic piece and the sealing piece, the air pressure in the air inlet pipe can enter the water seal tank through the air outlet hole only after reaching the certain value, so that the waste gas of the equipment is prevented from being directly discharged into the spray tower through the air inlet pipe and the water seal tank; even there is not water in the water seal jar, the sealing member also can seal the intake pipe, can avoid waste gas directly to pass through the intake pipe.

Drawings

FIG. 1 is a perspective view of the exhaust spray plenum of the present invention;

FIG. 2 is a schematic structural view of the exhaust gas spray pressure protection device of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view at B of FIG. 3;

fig. 5 is a partially enlarged schematic view at C in fig. 3.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

The invention provides a waste gas spraying air pressure protection device which comprises a water seal tank 1 and at least one air inlet assembly 2, wherein the water seal tank 1 is hollow and contains sealing liquid, and the side wall of the water seal tank 1 is provided with a water outlet, as shown in figures 1 to 5.

The number of the air inlet assemblies 2 may be one, two, three, etc., and in the present embodiment, the number of the air inlet assemblies 2 is one.

The air inlet assembly 2 comprises an air inlet pipe 21 and an air pressure part 22 arranged in the air inlet pipe 21, the air outlet end of the air inlet pipe 21 is inserted into the water-sealed tank 1, the circumferential outer wall of the air outlet end of the air inlet pipe is provided with at least one air outlet hole, the air outlet holes are all positioned below the liquid level of sealing liquid, the air pressure part 22 comprises a sealing part 221 and an elastic part 222, the sealing part 221 can be arranged at the other end of the air inlet pipe 21 in a sliding mode and is connected with the inner wall of the air inlet pipe 21 in a sealing mode, and a path between the air inlet end of the air inlet pipe 21 and the air outlet holes is opened and closed through the sliding of the sealing part 221; the elastic member 222 is disposed on a side of the sealing member 221 away from the air outlet and is connected to the inner wall of the air inlet pipe 21 and the sealing member 221, respectively, for providing a resilient force after the sealing member 221 slides.

When the air pressure in the air inlet pipe 21 does not reach the set threshold value, the sealing piece 221 is positioned above the air outlet hole, the sealing piece 221 seals the path, and when the air pressure in the air inlet pipe 21 is greater than the set threshold value, the sealing piece 221 opens the path.

The threshold is set to be a pressure greater than the elastic restoring force of the spring when the sealing member 221 slides through the air outlet, and can be set as required.

Wherein, the flange plate 23 is installed to the terminal surface of the inlet end of intake pipe 21, and flange plate 23 sets up with intake pipe 21 is coaxial.

The sealing member 221 is a piston, and the elastic member 222 is a spring.

Wherein, the sealing member 221 is in sliding sealing connection with the inner wall of the air inlet pipe 21 through matching.

The flange plate 23 is arranged, so that the connection of the equipment and the air inlet pipe 21 is convenient to realize.

In this embodiment, at least one mounting hole is opened at the top of the water sealed tank 1, and the air outlet end of the air inlet pipe 21 penetrates into the water sealed tank 1 through the mounting hole and is connected to the inner wall of the mounting hole.

In this embodiment, the inner wall of the air inlet end of the air inlet pipe 21 is axially provided with an installation groove, the air pressure member 22 further includes a fixing block 223 and a screw 224, the fixing block 223 is disposed in the installation groove and detachably connected to the inner wall of the installation groove, the fixing block 223 is axially provided with a threaded hole and at least one ventilation hole along the air inlet pipe 21, one end of the screw 224 is threadedly connected to the threaded hole, and the other end of the screw is connected to one end of the elastic member 222 away from the sealing member 221.

Wherein, the threaded hole has been seted up to the bottom inner wall of mounting groove, and the fixed block 223 has seted up the through-hole relative to the threaded hole, passes through-hole and threaded connection in the threaded hole through the screw, has realized the relative detachable connection of intake pipe 21 of fixed block 223.

Through setting up fixed block 223 and screw 224, through rotating screw 224, can adjust the distance between screw 224 and the sealing member 221, when pressure release pressure needs to be increased, rotate screw 224, make screw 224 move to the direction of keeping away from sealing member 221, screw 224 drives sealing member 221 through elastic component 222 and upwards moves, make the distance between sealing member 221 and the venthole increase, elastic component 222 needs to be stretched longer length slider and just can slide through the venthole, the increase of pressure release pressure has been realized, when pressure release pressure needs to be reduced, rotate screw 224, make screw 224 move to the direction of being close to sealing member 221, screw 224 drives sealing member 221 through elastic component 222 and downwards moves, make the distance between sealing member 221 and the venthole increase, elastic component 222 needs to be stretched shorter length slider and just can slide through the venthole, the reduction of pressure release is realized.

Wherein the mounting groove is cylindrical and is arranged coaxially with the air inlet pipe 21.

In this embodiment, the air pressure member 22 further includes a fixing plate 225, the fixing plate 225 is slidably disposed in the air inlet pipe 21, a communication gap is formed between an outer wall of the fixing plate 225 and an inner wall of the air inlet pipe 21, and the other end of the screw 224 is connected to the elastic member 222 through the fixing plate 225.

By arranging the fixing disc 225, the connection between the elastic member 222 and the screw 224 can be realized, and the elastic member 222 can be prevented from scratching the inner wall of the air inlet pipe 21.

In this embodiment, the pneumatic element 22 further includes a handle 226, and the handle 226 is connected to one end of the screw 224 and is disposed on a side of the fixing block 223 away from the sealing element 221.

Wherein the stem 226 is disposed in a radial direction of the screw 224.

By providing a handle 226, rotation of the screw 224 is facilitated by the handle 226.

In this embodiment, the number of the vent holes formed in the fixing block 223 is plural, and the plurality of vent holes are uniformly distributed along the circumferential direction of the air inlet pipe 21.

In the embodiment, the air inlet assembly 2 further includes a filter element 24, and the filter element 24 includes a filter cartridge 241, and the filter cartridge 241 is slidably inserted into the mounting groove and disposed above the handle 226.

By arranging the filter cartridge 241, solid impurities possibly existing in the exhaust gas can be intercepted, the impurities in the exhaust gas can be prevented from entering the air outlet end of the air inlet pipe 21, and the impurities are prevented from being attached to the sealing element 221.

In this embodiment, the interior of the filter cylinder 241 is hollow and has an open top, the cross section of the filter cylinder 241 is in a circular truncated cone shape, the outer diameter of the filter cylinder 241 is continuously reduced along the direction close to the rotating handle 226, the outer wall of the large-diameter end of the filter cylinder 241 is attached to the inner wall of the mounting groove, and the bottom and the circumferential outer wall of the filter cylinder 241 are provided with a plurality of filter holes.

By arranging the filter cartridge 241 in a truncated cone shape, both the circumferential side wall and the bottom of the filter cartridge 241 can pass through gas, and the obstruction of the filter cartridge 241 to the gas passage is reduced.

In this embodiment, the filter element 24 further includes a fixing rod 242, and the fixing rod 242 is disposed along a radial direction of the filter cartridge 241 and is connected to an open end of the filter cartridge 241.

By providing the fixing rod 242, the filter cartridge 241 can be conveniently lifted by the fixing rod 242.

The specific working process of the invention is as follows: when the air pressure in the air inlet pipe 21 increases, the air pushes the sealing element 221 to move, and the sealing element 221 stretches the elastic element 222 when moving; when the air pressure in the air inlet pipe 21 reaches a certain value, the air pushes the sealing piece 221 to slide through the air outlet, the air in the air inlet pipe 21 enters the water-sealed tank 1 through the air outlet, and the flushed water-sealed liquid enters the spray tower through the water outlet of the water-sealed tank 1, so that the pressure relief of the equipment is realized, and due to the existence of the elastic piece 222 and the sealing piece 221, the air pressure in the air inlet pipe 21 can enter the water-sealed tank 1 through the air outlet only after reaching a certain value, so that the waste gas of the equipment is prevented from being directly discharged into the spray tower through the air inlet pipe 21 and the water-sealed tank 1; even if no water exists in the water-sealed tank 1, the sealing piece 221 can seal the air inlet pipe 21, so that waste gas can be prevented from directly passing through the air inlet pipe 21; after the sealing element 221 slides through the air outlet, a small amount of sealing liquid is brought into the air inlet pipe 21, so that the sealing liquid is gathered at the top of the sealing element 221, the sliding of the sealing element 221 can be lubricated through the sealing liquid, the top of the sealing element 221 can be sealed by water, and the sealing performance is enhanced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.