CN215003020U

CN215003020U - Flue gas washing cooling tower

Info

Publication number: CN215003020U
Application number: CN202121143400.XU
Authority: CN
Inventors: 蔡少林; 李海艳; 段振
Original assignee: China Shipbuilding Power Engineering Institute Co Ltd
Current assignee: China Shipbuilding Power Engineering Institute Co Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-03
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a flue gas washing cooling tower, this flue gas washing cooling tower includes the tower body, the shower, the filler sprays the case, packing and defroster, the tower body has flue gas entry and the exhanst gas outlet that the level set up, the shower is established in the tower body, be equipped with first shower nozzle on the shower, the filler sprays the case and establishes on the tower body, the filler sprays to be equipped with second shower nozzle packing on the case, the packing is established in the tower body, the packing is located second shower nozzle below, the defroster is established in the tower body, and be located one side of the orientation exhanst gas outlet of packing. The flue gas washing cooling tower is small in height, can be used when the height and the size are limited, but the length and the size are surplus, and meanwhile, the washing efficiency of the flue gas washing cooling tower can be improved, and the carrying amount of liquid drops at a flue gas outlet is reduced.

Description

Flue gas washing cooling tower

Technical Field

The utility model relates to an air purification equipment field especially relates to a flue gas washing cooling tower.

Background

With the stricter environmental regulations, the diesel engine flue gas is usually washed to remove sulfur oxides and particulate matters contained in the flue gas, or the flue gas is mixed with air after being washed and cooled to participate in combustion again, so that the generation of nitrogen oxides is controlled. At present, the main type of the washing tower is vertical or U-shaped, and the space for washing and cooling reaction is carried out in a vertical tower body, so that a large height space is occupied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flue gas washing cooling tower, this flue gas washing cooling tower highly less, can be limited at height-size, but length dimension uses when being surplus, can also improve flue gas washing cooling tower's washing efficiency simultaneously, has reduced the exhanst gas outlet liquid drop and has carried the volume.

For realizing the technical effect, the utility model discloses a flue gas washing cooling tower's technical scheme as follows:

the utility model discloses a flue gas washing cooling tower, include: the tower body is provided with a flue gas inlet and a flue gas outlet which are horizontally arranged; the spray pipe is arranged in the tower body, and a first spray head is arranged on the spray pipe; the packing spraying box is arranged on the tower body, a second nozzle packing element is arranged on the packing spraying box and arranged in the tower body, and the packing element is positioned below the second nozzle; the demister is arranged in the tower body and is positioned on one side, facing the flue gas outlet, of the packing element.

In some embodiments, a plurality of baffles are disposed at intervals in the tower body near the flue gas inlet.

In some embodiments, the surface of the filler element is provided with a wave-shaped bulge, and the surface of the wave-shaped bulge is provided with a slot structure.

In some embodiments, the packing element is a stainless steel element.

In some embodiments, the packing spray box is removably connected to the tower.

In some embodiments, the shower is a U-tube.

In some embodiments, the spraying pipes, the filler pieces and the filler spraying boxes are all multiple, the spraying pipes and the filler pieces are distributed at intervals, and the filler spraying boxes are arranged corresponding to the filler pieces.

In some embodiments, the flue gas scrubbing cooling tower further comprises: the water supply main pipe is communicated with the spray pipe and the filler spray box; the waste water collecting tank is arranged in the tower body and is positioned below the spraying pipe and the filling member.

In some specific embodiments, a partition plate is arranged below the filler piece, the partition plate extends into the wastewater collection tank, the lower end of the partition plate is spaced from the bottom wall of the wastewater collection tank, and the partition plate is used for blocking flue gas.

In some embodiments, the flue gas washing and cooling tower further comprises a demisting cleaning pipe, wherein a third spray head is arranged on the demisting cleaning pipe, and the third spray head is used for spraying liquid towards the demister.

The utility model discloses a flue gas washing cooling tower's beneficial effect: the flue gas inlet and the flue gas outlet are horizontally arranged, so that the tower body is in a long strip shape, the tower body is convenient to transport and install, the tower body can be used when the height size is limited but the length size is surplus, and the convenience and the flexibility of the flue gas washing cooling tower are improved; because the flue gas gets into the twice washing of tower body back through shower and filler piece, can promote the washing and the cooling effect to the flue gas, the liquid content in the flue gas can be got rid of to the defroster that adds to reduce the gas outlet liquid drop and carry the volume.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a flue gas scrubbing cooling tower according to an embodiment of the present invention.

Fig. 2 is a schematic view of the section a-a shown in fig. 1.

Fig. 3 is a schematic view of the section B-B shown in fig. 1.

Fig. 4 is a schematic view of the section C-C shown in fig. 1.

Fig. 5 is a schematic view of the cross-section D-D shown in fig. 1.

Reference numerals:

1. a tower body; 11. a flue gas inlet; 12. a flue gas outlet;

2. a shower pipe; 21. a first nozzle;

3. a filler spray box; 31. a second nozzle;

4. a packing member; 41. a wave-shaped bulge; 42. a slot structure;

5. a demister; 6. a water main; 7. a wastewater collection tank; 8. a partition plate;

9. a demisting cleaning pipe; 91. a third spray head; 92. an on-off valve;

10. a baffle.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structure of the flue gas scrubbing cooling tower according to the embodiment of the present invention will be described with reference to fig. 1 to 5.

The utility model discloses a flue gas washing cooling tower, as shown in figure 1, this flue gas washing cooling tower includes tower body 1, shower 2, the filler sprays case 3, packing 4 and defroster 5, tower body 1 has flue gas entry 11 and exhanst gas outlet 12 that the level set up, shower 2 is established in tower body 1, be equipped with first shower nozzle 21 on shower 2, filler sprays case 3 and establishes on tower body 1, the filler is sprayed and is equipped with 31 packing 4 of second shower nozzle on the case 3, packing 4 is established in tower body 1, packing 4 is located 31 below of second shower nozzle, defroster 5 is established in tower body 1, and be located one side towards exhanst gas outlet 12 of packing 4.

It can be understood that, because the flue gas inlet 11 and the flue gas outlet 12 are arranged horizontally, the inlet and the outlet can be made into a round shape or a rectangular shape according to the needs, the long-strip tower body 1 is convenient to transport and install, saves the space, can be used when the height is limited, but the length is surplus, and the tower body 1 can also be designed into the size of a standard container, so that the convenience and the flexibility are further improved.

It should be additionally noted that, in the actual working process, after the flue gas enters the tower body 1 through the flue gas inlet 11, the spray pipe 2 uniformly sprays the washing water into the tower body 1, so that the flue gas and the washing water are mixed, and the temperature of the flue gas is reduced. When the flue gas flows to filler spraying case 3 below, the second shower nozzle 31 of filler spraying case 3 bottom evenly sprays the washing water to filler 4 top, and under the effect of gravity, the washing water is along filler 4 surface downflow, and filler 4 has increased the area of contact of flue gas and washing water to washing and cooling effect have been improved. The flue gas washed by the filler parts 4 can be discharged from the flue gas inlet 11 after liquid drops are removed by the demister 5. In this embodiment, flue gas gets into behind the tower body 1 twice washing through shower 2 and filler piece 4, can promote washing and the cooling effect to the flue gas, and the liquid content in the flue gas can be got rid of to the defroster 5 that adds to reduce 12 liquid drops carrying capacity in exhanst gas outlet.

In some embodiments, as shown in fig. 1, a plurality of baffles 10 are provided at intervals in the tower 1 near the flue gas inlet 11. It will be appreciated that the deflector 10 allows the flue gases to flow more evenly towards the shower 2 and towards the packing element 4. In this embodiment, the number and the shape of the baffles 10 can be selected according to actual needs, and the number and the shape of the baffles 10 are not limited herein.

In some embodiments, as shown in fig. 5, the surface of the packing element 4 has a wave-shaped protrusion 41, and the surface of the wave-shaped protrusion 41 is provided with a groove structure 42. The wavy bulge 41 and the slot structures 42 increase the contact area of the flue gas and the washing water, and the wavy bulge 41 changes the flow direction of the flue gas, so that the flue gas impacts the washing water on the surface of the packing element 4 and fully contacts the washing water when flowing transversely through the packing element 4, thereby improving the washing and cooling effects of the washing water on the flue gas.

In some embodiments, the packing element 4 is a stainless steel element. The stainless steel metal material has good heat transfer effect, and can further improve the heat exchange effect of the flue gas and the washing water, thereby improving the cooling effect of the washing water on the flue gas. Of course, in other embodiments of the present invention, the packing element 4 may be made of other materials, and is not limited to the stainless steel material of the embodiment.

In some embodiments, the packing spray box 3 is removably connected to the tower 1. It will be appreciated that when the filler spray box 3 is removed, the second spray head 31 can be easily cleaned from clogging, while the filler element 4 can be removed from the upper opening for replacement or cleaning. In this embodiment, filler spray box 3 can be dismantled with tower body 1 and be connected and can be connected or modes such as buckle connection through the connecting piece, does not restrict the concrete structure that filler spray box 3 can be dismantled with tower body 1 and be connected here.

In some embodiments, as shown in fig. 2, the shower pipe 2 is a U-shaped pipe. Therefore, the spraying range of the spraying pipe 2 is improved, and the washing and cooling effects on the flue gas are improved.

In some embodiments, as shown in fig. 1, there are a plurality of spray pipes 2, packing elements 4 and packing spray boxes 3, the spray pipes 2 and the packing elements 4 are distributed at intervals, and the packing spray boxes 3 are disposed corresponding to the packing elements 4. From this, can realize that the flue gas washes and cools off many times in tower body 1 to promote the washing and the cooling effect of the flue gas washing cooling tower of this embodiment.

In some embodiments, as shown in fig. 1, the flue gas washing and cooling tower further comprises a water supply main 6 and a wastewater collection tank 7, wherein the water supply main 6 is communicated with the spray pipes 2 and the packing spray boxes 3, and the wastewater collection tank 7 is arranged inside the tower body 1 and is positioned below the spray pipes 2 and the packing elements 4. It can be understood that the washed wastewater is collected in the wastewater collection tank 7 at the bottom of the tower body 1 and then discharged, so that the phenomenon that excessive wastewater is accumulated inside the tower body 1 is avoided. The water supply main pipe 6 ensures that the spray pipe 2 and the filler spray box 3 can be stably connected with an external water source, so that the flue gas washing and cooling tower of the embodiment has enough washing water to wash and cool the flue gas.

In some embodiments, as shown in fig. 1 and 3, a partition plate 8 is disposed below the packing member 4, the partition plate 8 extends into the wastewater collection tank 7, a lower end of the partition plate 8 is spaced from a bottom wall of the wastewater collection tank 7, and the partition plate 8 is used for blocking flue gas. It will be appreciated that the partition 8 prevents the flow of unwashed or undrained flue gas directly through the waste water collection tank 7 to the flue gas outlet 12, thereby ensuring the scrubbing and cooling effect of the flue gas scrubbing and cooling tower. It should be noted that, in the present embodiment, the shape and size of the partition plate 8 can be selected according to actual needs, and the shape of the partition plate 8 is not specifically limited herein.

In some embodiments, as shown in fig. 1, the flue gas washing and cooling tower further comprises a demisting cleaning pipe 9, a third spray head 91 is arranged on the demisting cleaning pipe 9, and the third spray head 91 is used for spraying liquid towards the demister 5. Thus, the third nozzle 91 is periodically opened to clean the demister 5, thereby ensuring the demisting effect of the demister 5.

Example (b):

as shown in fig. 1, the flue gas washing cooling tower of the embodiment comprises a tower body 1, a spray pipe 2, a filler spray box 3, a filler 4, a demister 5, a water supply main pipe 6, a wastewater collection tank 7, a demisting cleaning pipe 9 and a partition plate 8.

As shown in fig. 1-5, the tower body 1 has a horizontally disposed flue gas inlet 11 and a horizontally disposed flue gas outlet 12, and five guide plates 10 disposed at intervals are disposed in the tower body 1 and near the flue gas inlet 11. The spray pipes 2 are two U-shaped pipes, the two spray pipes 2 are arranged in the tower body 1 at intervals, one side, facing the flue gas outlet 12, of the spray pipe 2 close to the flue gas inlet 11 is provided with four first spray heads 21 arranged at intervals along the vertical direction, and two opposite sides of the other spray pipe 2 are provided with four first spray heads 21 arranged at intervals along the vertical direction. The packing sprays the case 3 and is two, and every can dismantle and establish on tower body 1, and every packing sprays and is equipped with six second shower nozzles 31 that set up along the horizontal direction interval on the case 3, and packing 4 is two and be stainless steel spare, and two packing 4 and two shower 2 alternate distributions, and the seasoning is sprayed case 3 corresponding setting with the packing. Each of the elements 4 has a surface with a wave-shaped protrusion 41, and the surface of the wave-shaped protrusion 41 is provided with a groove structure 42. The demister 5 is arranged in the tower body 1 and is located at one side of the packing element 4 facing the flue gas outlet 12. Defogging scavenge pipe 9 is two, and is located the both sides of defroster 5, all is equipped with on every defogging scavenge pipe 9 along vertical direction interval distribution's four third shower nozzles 91, and third shower nozzle 91 is used for towards defroster 5 hydrojets. Each demisting cleaning pipe 9 is provided with a switch valve 92. The water supply header 6 is communicated with the two spray pipes 2, the two packing spray boxes 3 and the two demisting cleaning pipes 9, and the wastewater collection tank 7 is arranged in the tower body 1 and is positioned below the spray pipes 2 and the packing elements 4. Baffle 8 is established in the below of filler part 4 and stretches into wastewater collection groove 7, and the lower extreme of baffle 8 and wastewater collection groove 7's diapire interval set up, and baffle 8 is used for blockking the flue gas.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A flue gas scrubbing cooling tower, comprising:

the tower comprises a tower body (1), wherein the tower body (1) is provided with a flue gas inlet (11) and a flue gas outlet (12) which are horizontally arranged;

the spray pipe (2) is arranged in the tower body (1), and a first spray head (21) is arranged on the spray pipe (2);

the packing spray box (3) is arranged on the tower body (1), and a second spray head (31) is arranged on the packing spray box (3)

The packing element (4), the packing element (4) is arranged in the tower body (1), and the packing element (4) is positioned below the second spray head (31);

the demister (5) is arranged in the tower body (1), and is positioned on one side, facing the flue gas outlet (12), of the filler piece (4).

2. The flue gas scrubbing cooling tower of claim 1, wherein a plurality of spaced baffles (10) are provided within said tower (1) adjacent said flue gas inlet (11).

3. The flue gas scrubbing cooling tower of claim 1, wherein said packing elements (4) have surface protrusions (41) in the shape of waves, and the surface of said protrusions (41) is provided with a groove structure (42).

4. The flue gas scrubbing cooling tower of claim 1, wherein said packing elements (4) are stainless steel elements.

5. The flue gas scrubbing cooling tower of claim 1, wherein said packing spray box (3) is removably connected to said tower (1).

6. The flue gas scrubbing cooling tower of claim 1, wherein said spray pipes (2) are U-shaped pipes.

7. The flue gas washing and cooling tower of any one of claims 1 to 6, wherein the spray pipe (2), the packing (4) and the packing spray box (3) are all provided in plurality, the spray pipe (2) and the packing (4) are distributed at intervals, and the packing spray box (3) is arranged corresponding to the packing (4).

8. The flue gas scrubbing cooling tower of any one of claims 1-6, further comprising:

the water supply main pipe (6), the water supply main pipe (6) is communicated with the spray pipe (2) and the filler spray box (3);

the waste water collecting tank (7) is arranged in the tower body (1), and is positioned below the spraying pipe (2) and the packing piece (4).

9. The flue gas washing and cooling tower of claim 8, wherein a partition plate (8) is arranged below the packing element (4), the partition plate (8) extends into the wastewater collection tank (7), the lower end of the partition plate (8) is arranged at a distance from the bottom wall of the wastewater collection tank (7), and the partition plate (8) is used for blocking flue gas.

10. The flue gas scrubbing cooling tower of any one of claims 1 to 6, further comprising a demisting cleaning pipe (9), wherein a third spray head (91) is disposed on said demisting cleaning pipe (9), and said third spray head (91) is used for spraying liquid towards said demister (5).