CN218900923U

CN218900923U - Waste gas discharge device

Info

Publication number: CN218900923U
Application number: CN202222692451.9U
Authority: CN
Inventors: 王成; 徐晓松
Original assignee: Chengxi Shipyard Co Ltd
Current assignee: Chengxi Shipyard Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-25
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a waste gas discharging device which comprises a plurality of discharging pipes, wherein the upper ends of the discharging pipes are connected with a waste gas exhaust pipe, the waste gas discharging device further comprises a solid particle separating barrel, the plurality of discharging pipes extend into the solid particle separating barrel from the upper end of the solid particle separating barrel, the upper end of the side wall of the solid particle separating barrel is provided with an overflow port, the bottom of the solid particle separating barrel is provided with a blind flange, the bottom of the blind flange is connected with a drain pipe and a drain valve, and the overflow port is connected with an overflow pipe. The solid particle separating barrel is used for precipitating particles in the condensed liquid, and the condensed liquid oil and water can overflow through the overflow port at the top, so that the separation of the solid particles and the liquid can be conveniently realized. The blind flange that the bottom set up can open after using a period and clear up the granule that deposits in the solid particle separation bucket, especially can effectual clearance to the solid particle that adheres to around the bottom.

Description

Waste gas discharge device

Technical Field

The utility model relates to the technical field of ship tail gas treatment, in particular to a waste gas discharging device.

Background

The international trade is carried out without leaving the ship for transporting goods, along with the continuous increase of the international trade volume and the continuous increase of the demand for freight ships, the ship transportation industry is rapidly developed, the ship transportation is increasingly used, and when a main engine and a generator of the ship are operated, discharged waste gas contains a large amount of oil mist and solid particles, most of the harmful substances are discharged to the outside of the ship through the waste gas, but still a part of the harmful substances are remained in a waste gas pipeline and a waste gas silencer along with the condensation of the flue gas, and a discharge pipeline is arranged at the bottom ends of the waste gas pipeline and the silencer for discharging condensation liquid for discharging the condensate in the waste gas pipeline in the prior art; when the exhaust gas in the exhaust gas pipeline and the silencer are condensed to form condensate, the condensate in the exhaust gas pipeline contains water, oil and solid particles, and the mixed substances can directly flow to a bilge water tank on a ship through a discharge pipeline, so that the bilge water tank can be seriously polluted by the treatment method in the prior art, and the difficulty of purifying the bilge water tank is increased.

Therefore, the conventional discharge treatment mode for the ship exhaust gas condensate has the following defects:

1. the various substances are mixed and discharged into the bilge water bin together, so that the bilge water bin is polluted.

2. Due to pollution of the bilge water bin, solid particles and oil stains can adhere to the bulkhead and are difficult to clean along with the increase of the service time.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides a waste gas discharge device which can be used for treating condensate collected by a discharge pipe, separating solid particles, oil and water in the condensate conveniently, enabling water to flow into a bilge water bin and reducing pollution of the bilge water bin.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a waste gas discharge device, includes a plurality of bleeder tubes, bleeder tube upper end links to each other with exhaust gas pipe, still includes solid particle separation barrel, a plurality of bleeder tube is stretched into inside the solid particle separation barrel by solid particle separation barrel upper end, and solid particle separation barrel lateral wall upper end is equipped with the overflow mouth.

Furthermore, the bottom of the solid particle separating barrel is provided with a blind flange, the bottom of the blind flange is connected with a drain pipe and a drain valve, and the overflow port is connected with an overflow pipe.

Furthermore, the top of the solid particle separating barrel is also connected with a flushing pipeline, and a flushing valve is arranged on the flushing pipeline.

Further, the outer wall of one side of the overflow port of the solid particle separating barrel is also connected with an oil-water separating box, the bottom of the oil-water separating box is connected with a water drain pipe, and the side wall of the upper part of the oil-water separating box is connected with an overflow pipe.

Further, the oil-water separation tank is internally provided with a floating disc structure capable of automatically closing the drain pipe, the floating disc structure comprises a float with a disc-shaped shape and a certain thickness, the whole density of the float is adjustable, the float is hollow, a partition plate is transversely arranged in the float, the partition plate divides the interior of the float into a water bin and an oil bin, and the water bin is filled with water and the oil bin is filled with oil.

Furthermore, the water bin and the oil bin are provided with filling holes on one side of the top, and sealing pieces are arranged on the filling holes.

Further, the floating disc structure further comprises a guide rod, the guide rod is vertically and fixedly arranged inside the oil-water separation box, the guide rod penetrates through the floater, and the floater is in sliding connection with the guide rod.

Further, the float is arranged on the upper side of the drain pipe, a conical concave sealing surface is arranged in the upper end of the drain pipe, and a conical sealing cone matched with the sealing surface is arranged at the center of the bottom of the float in a protruding mode.

Further, the interval between the bleeder tube and the blind flange is not less than 100mm, and the height of the solid particle separation barrel is not less than 1000mm.

Further, the outer surface of the sealing cone is provided with a flexible sealing gasket.

Compared with the prior art, the utility model has the beneficial effects that: 1. the solid particle separating barrel is used for precipitating particles in the condensed liquid, and the condensed liquid oil and water can overflow through the overflow port at the top, so that the separation of the solid particles and the liquid can be conveniently realized.

2. The blind flange that the bottom set up can open after using a period and clear up the granule that deposits in the solid particle separation bucket, especially can effectual clearance to the solid particle that adheres to around the bottom.

3. The utility model is also provided with an oil-water separation tank, and the primarily overflowed oil and hydraulic fluid are subjected to standing delamination, so that the water and the oil can be easily separated, and the water is discharged into a bilge water tank and cannot be polluted by the oil.

4. The float is provided with the hollow sump and the hollow oil sump, so that water and oil can be filled in the interior of the float, the density of the whole float is between that of the water and the oil, when the bottom water in the oil-water separation tank is more, the float floats near the oil-water boundary, the oil-water boundary layer falls down along with the water being discharged, and the float falls down to be attached to the sealing surface, so that the automatic sealing of the drain pipe is realized.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of the present utility model;

FIG. 2 is a schematic longitudinal section of a first embodiment of the present utility model;

FIG. 3 is a schematic longitudinal section of a second embodiment of the present utility model;

FIG. 4 is a schematic longitudinal cross-sectional plan view of a second embodiment of the present utility model;

in the figure: 1. a bleed tube; 2. a solid particle separation barrel; 3. an overflow port; 4. a blind flange; 5. a blow-down pipe; 6. an overflow pipe; 7. a flushing line; 8. an oil-water separation tank; 9. a flexible gasket; 10. a drain pipe; 11. a float; 12. a partition plate; 13. a water bin; 14. an oil bin; 15. an injection hole; 16. a seal; 17. a guide rod; 18. sealing surfaces; 19. and (5) sealing the cone.

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.

Exhaust gas discharged during operation of a main engine and a generator of the ship is discharged to the outside of the ship through an exhaust gas pipe, and a low-point drainage discharge pipe arranged at the bottom of the exhaust gas pipe is communicated into the exhaust gas discharge device for further separation treatment of condensed liquid.

Example 1

The waste gas discharge device comprises a plurality of discharge pipes 1, wherein the upper ends of the discharge pipes 1 are connected with a waste gas exhaust pipe, the waste gas discharge device further comprises a solid particle separation barrel 2, the solid particle separation barrel 2 can be designed into a cylindrical barrel shape or a rectangular barrel shape, the discharge pipes 1 extend into the solid particle separation barrel 2 from the upper ends of the solid particle separation barrels 2, so that condensate in each waste gas pipe can be collected into the solid particle separation barrel 2, the condensate is not fast enough, the flow rate of the condensate is not very fast, a good condition is provided for solid particle precipitation in the condensate, particles can conveniently sink into the bottom of the solid particle separation barrel 2 by self by utilizing gravity, as shown in fig. 1 and 2, the upper end of the side wall of the solid particle separation barrel 2 is provided with an overflow port 3, along with the accumulation of the condensate, the overflow port 3 at the top can flow out, the overflow port 3 is connected with an overflow pipe 6 and is connected to a cabin bottom water cabin, and oil-water is not separated and is collected at the same time;

after a certain period of time, certain solid particles can be deposited on the bottom of the solid particle separation barrel 2, so that a blind flange 4 is arranged on the bottom of the solid particle separation barrel 2, a drain pipe 5 and a drain valve are connected to the bottom of the blind flange 4, when the solid particles are accumulated to a certain degree, the drain valve at the bottom can be opened for discharging, and if the drain effect is not good after long-term use, the blind flange 4 at the bottom can be disassembled, so that the bottom is opened to be convenient for cleaning the internal solid particles.

The top of the solid particle separation barrel 2 can be further connected with a flushing pipeline 7, and when the flushing pipeline 7 is provided with a flushing valve in use, the flushing pipeline 7 can be matched with fresh water to clean the inside of the solid particle separation barrel 2, so that the cleaning cleanliness is improved. The interval between the discharge pipe 1 and the blind flange 4 is not less than 100mm for preventing accumulated solid particles from blocking the bottom water outlet, and a measuring hole can be formed in the side wall of the discharge pipe 1 for preventing blocking and incapable outflow, and the height of the solid particle separation barrel 2 is not less than 1000mm; the sufficient height of the solid particle separating barrel 2 can provide space for sedimentation of solid particles, and particles are prevented from flowing out of the overflow port 3.

Embodiment two:

as a further improvement to the first embodiment, in this embodiment, a treatment mechanism for separating the oil-water mixture discharged from the overflow port 3 is additionally provided, specifically, as shown in fig. 3 and 4, an oil-water separation tank 8 is further connected to the outer wall of the solid particle separation barrel 2 on one side where the overflow port 3 is provided, the condensed and collected oil-water condensate enters the oil-water separation tank 8 through the overflow port 3, the oil water can be kept still and layered when collected in the oil-water separation tank 8, a drain pipe 10 is connected and provided at the bottom of the oil-water separation tank 8, and an overflow pipe 6 is connected and provided at the upper side wall of the oil-water separation tank 8, so that oil and water can be respectively split, but because the oil and water flows condensed in the condensate are unstable, water is more in a period of time, or oil is more in a period of time, and can be better split when the water and the oil flows are unbalanced.

As an improvement, the oil-water separation tank 8 is internally provided with a floating disc structure capable of automatically closing the drain pipe 10, the floating disc structure comprises a float 11 which is disc-shaped and has a certain thickness, the oil and the water are separated into layers when standing, and the density of the water is 1g/cm ³ The method comprises the steps of carrying out a first treatment on the surface of the The density of the grease is between 0.91g/ml and 0.93 g/ml. Kerosene 0.8g/cm ³ Vegetable oil 0.9g/cm ³ Gasoline 0.71g/cm ³ The edible oil is approximately 0.92g/cm ³ ～0.93g/cm ³ The density of the diesel oil is 0.84g/cm ³ The density of water is constant, the density of oil is generally smaller than that of water, but the densities of the oil condensed by each ship are not uniform because the oil used by each ship is different, so the whole density of the float 11 is set to be adjustable, and in addition, the density of the material for manufacturing the float 11 needs to be noted, and the material can be made of plastic materials in actual use, and the common linear plastic densities are as follows: polypropylene 0.88g/cm ³ Polyethylene 0.96g/cm ³ Polyisobutene 0.91g/cm ³ 0.8g/cm of silicone rubber ³ Polymethylpentene 0.83g/cm ³ It can be seen that this is not quite different from the density range of the grease described above, and that in order to minimize the influence of the material of the float 11, a design structure as thin as possible can be used, but provided that the strength of the structure of the float 11 is maintained, reinforcing ribs can be provided inside to increase the strength. The inside of the floater 11 is hollow, the inside of the floater 11 is transversely provided with a partition plate 12, the partition plate 12 divides the inside of the floater 11 into a water bin 13 and an oil bin 14, the water bin 13 is filled with water, the oil bin 14 is filled with oil, the oil bin 14 can be filled with the oil condensed by the ship in advance when the ship is used, the lower water bin 13 is filled with water, and the density of the whole floater 11 is not less than that of the oil due to the adoption of the oil condensed by the ship, and the density of the whole floater 11 is between the condensed oil and the water after the water bin 13 is filled with water, so that the floater 11 floats at an oil-water layering position in actual use. The water sump 13, oil sump 14 top one side all is equipped with injection hole 15, is equipped with sealing member 16 on the injection hole 15, can adopt the submergence mode to annotate water sump 13 and oil sump 14 through injection hole 15 respectively with oil and water and seal through sealing member 16.

Further, the floating disc structure further comprises a guide rod 17, the guide rod 17 is vertically and fixedly arranged inside the oil-water separation box 8, the guide rod 17 is arranged through the float 11, the float 11 is slidably connected with the guide rod 17, the float 11 is arranged on the upper side of the drain pipe 10, the float 11 can longitudinally move on a guide line of the guide rod 17 in actual use, and when oil-water layering moves downwards, the float 11 is attached to the drain pipe 5, so that the effect of automatically sealing the drain pipe 5 is achieved.

Further, in order to avoid the phenomenon that when the float 11 falls, the bottom of the float 11 is tightly attached to the ground of the oil-water separation tank 8 to form vacuum, so that the float 11 is inconvenient to float after the water level rises, a conical concave sealing surface 18 is arranged in the upper end of the drain pipe 10, a conical sealing cone 19 matched with the sealing surface 18 is arranged at the center of the bottom of the float 11 in a protruding mode, when the float 11 falls, the sealing cone 19 at the bottom is singly contacted with the sealing surface 18 to realize sealing, the lower end face of the float 11 cannot be completely attached to the bottom face of the oil-water separation tank 8, namely, a certain water layer is reserved, and water is reserved around the sealing cone 19, so that when the water is collected again, the float 11 can be lifted by utilizing buoyancy, and the purpose of water flow discharge is realized. A flexible gasket 9 may also be provided on the outer surface of the sealing cone 19 to enhance the sealing effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a waste gas discharge device, includes a plurality of bleeder tubes (1), bleeder tube (1) upper end links to each other with exhaust gas pipe, and its characterized in that still includes solid particle separation barrel (2), a plurality of bleeder tube (1) are stretched into inside solid particle separation barrel (2) by solid particle separation barrel (2) upper end, and solid particle separation barrel (2) lateral wall upper end is equipped with overflow mouth (3).

2. The waste gas discharge device according to claim 1, wherein a blind flange (4) is arranged at the bottom of the solid particle separation barrel (2), a drain pipe (5) and a drain valve are connected to the bottom of the blind flange (4), and an overflow pipe (6) is connected to the overflow port (3).

3. A waste gas discharge device according to claim 2, characterized in that the top of the solid particle separation vessel (2) is further connected with a flushing line (7), and that the flushing line (7) is provided with a flushing valve.

4. The waste gas discharge device according to claim 1, wherein the outer wall of one side of the solid particle separating barrel (2) provided with the overflow port (3) is also connected with an oil-water separating box (8), the bottom of the oil-water separating box (8) is connected with a water drain pipe (10), and the side wall of the upper part of the oil-water separating box (8) is connected with an overflow pipe (6).

5. The waste gas discharging device according to claim 4, wherein the oil-water separation tank (8) is internally provided with a floating disc structure capable of automatically closing the drain pipe (10), the floating disc structure comprises a disc-shaped floater (11) with a certain thickness, the whole density of the floater (11) is adjustable, the floater (11) is internally hollow, the floater (11) is internally transversely provided with a partition plate (12), the partition plate (12) divides the floater (11) into a water bin (13) and an oil bin (14), and the water bin (13) is filled with water and the oil bin (14) is filled with oil.

6. The exhaust gas discharge device according to claim 5, wherein the water sump (13) and the oil sump (14) are provided with injection holes (15) on one side of the top, and sealing elements (16) are arranged on the injection holes (15).

7. The waste gas discharging device according to claim 5, wherein the floating disc structure further comprises a guide rod (17), the guide rod (17) is vertically and fixedly arranged inside the oil-water separation tank (8), the guide rod (17) penetrates through the floater (11), and the floater (11) is in sliding connection with the guide rod (17).

8. A waste gas discharging device according to claim 7, characterized in that the float (11) is arranged on the upper side of the water drain pipe (10), a conical concave sealing surface (18) is arranged in the upper end of the water drain pipe (10), and a conical sealing cone (19) matched with the sealing surface (18) is arranged at the bottom center of the float (11) in a protruding manner.

9. A waste gas drain according to claim 2, characterized in that the distance between the drain pipe (1) and the blind flange (4) is not less than 100mm, and the height of the solid particle separation tub (2) is not less than 1000mm.

10. A waste gas drain according to claim 8, wherein the outer surface of the sealing cone (19) is provided with a flexible sealing gasket (9).