CN214513661U - Novel water-collecting gas-distributing device - Google Patents

Abstract

The utility model provides a novel cloth gas that catchments device, there is the circular dish that converges that sets up in the bottom, be fixed with the cloth gas unit that catchments in the dish top of converging, it is two-layer about the cloth gas unit that catchments, there is the interval between the two-layer cloth gas unit that catchments, it comprises a plurality of fan-shaped water catch bowl to catchment the cloth gas unit, the summit of a plurality of water catch bowl collects the centre of a circle that forms the cloth gas unit that catchments, a plurality of water catch bowl circumference equidistant settings, form whole circular shape cloth gas unit that catchments, the upper strata is catchmented the water catch bowl that the cloth gas unit had and the lower floor catchments the water catch bowl dislocation set that the cloth gas unit had. The water collecting tank of the novel water and gas collecting and distributing dual-purpose device for the marine washing tower adopts a radial arrangement mode, and the upper water collecting and gas distributing units and the lower water collecting and gas distributing units are arranged in a staggered mode, so that on one hand, the water collecting capacity of the device is ensured, and on the other hand, enough space is reserved for gas flowing. The gas flow resistance is reduced, and the uniformity of gas flow is improved.

Description

Novel water-collecting gas-distributing device

Technical Field

The invention relates to the field of ship washing towers, in particular to a device for shielding washing water and ensuring the fluidity of flue gas in an I-shaped washing tower.

Background

The marine I-shaped washing tower has the characteristics of small diameter and high ship applicability, but the difficulty of arranging a filler structure in the washing tower is increased due to the small diameter. In order to improve the working effect of the washing tower, the spraying amount of the washing water needs to be increased, but the water drainage difficulty of the washing tower and the risk of the washing water flowing back to the smoke exhaust pipe are increased. The traditional solution is to arrange one or more conical cap structures at the bottom of a main spray layer of a washing tower (as shown in fig. 1), but the traditional solution has the following disadvantages:

(1) the conical cap structure naturally has the problem of large gas flow resistance, so that the overall pressure drop of the washing tower is increased; on the other hand, the adaptive power of the washing tower is reduced, and the operation efficiency of the washing tower is reduced.

(2) The size of the cone cap structure can be reduced as much as possible in order to reduce the influence of the cone cap structure on gas flow, but the water retaining area of the cone cap structure is sacrificed, and the load of a water outlet at the bottom of the tower body and the risk of washing water flowing backwards into the smoke exhaust pipe are increased.

(3) In addition, after the gas is discharged from the cone cap structure, a negative pressure area is formed near the central area of the top of the cone cap, and the flue gas passing through the cone is high in flow velocity and large in flow rate in the area close to the tower wall; the central flow velocity of the washing tower is low, the flow is small, so that the washing water is not uniformly contacted with the flue gas, and the operation efficiency of the washing tower is reduced.

Disclosure of Invention

In order to solve the problems, the invention provides a novel water collecting and gas distributing device, which aims to achieve the purposes of ensuring the water retaining area, reducing the gas flow resistance and improving the gas flow uniformity, and adopts the technical scheme that:

the utility model provides a novel cloth gas that catchments device, has the circular dish that converges that sets up in the bottom, is fixed with the cloth gas unit that catchments in the dish top of converging, and the cloth gas unit that catchments is two-layer from top to bottom, and there is the interval between the two-layer cloth gas unit that catchments, and the cloth gas unit that catchments comprises a plurality of fan-shaped water catch bowl, and the quantity of water catch bowl can be arbitrary quantity, and is decided according to scrubbing tower inner structure and size. The vertexes of the plurality of water collecting grooves are collected to form the circle center of the water collecting and gas distributing unit, the plurality of water collecting grooves are circumferentially arranged at equal intervals to form the water collecting and gas distributing unit which is integrally circular, and the water collecting grooves of the upper layer water collecting and gas distributing unit and the water collecting grooves of the lower layer water collecting and gas distributing unit are arranged in a staggered mode. The water-collecting gas distribution unit and the confluence disc are circular, the water-collecting grooves of the two layers of water-collecting gas distribution units are arranged in a staggered mode, washing water can be contained to the maximum extent of 360 degrees and is introduced into the confluence disc, and meanwhile, the flue gas flows uniformly through the space between the water-collecting grooves, and the flue gas is prevented from generating negative pressure at the center of the device.

The radiuses of the two layers of water collecting and gas distributing units are the same, and the radiuses of the water collecting and gas distributing units are smaller than the radius of the confluence disc. The washing water received by the water collecting tank can completely flow into the confluence disc.

One end of the water collecting tank far away from the circle center is inclined downwards relative to the horizontal plane. The setting of downward sloping makes the washing water flow more smoothly to converging in the dish for washing water flow velocity, and then accelerates to the outer drainage speed of tower.

The inside outlet that is provided with of cylinder manifold. The washing water accumulated in the confluence disc is discharged through the water outlet.

The lower surface of the water collecting tank is welded with a circular grid frame. The grid frame plays a supporting role for the water collecting tank, and the stability of the water collecting tank when the water collecting tank is filled with washing water is ensured.

The water collecting tank of the novel water and gas collecting and distributing dual-purpose device for the marine washing tower adopts a radial arrangement mode, and the upper water collecting and gas distributing units and the lower water collecting and gas distributing units are arranged in a staggered mode, so that on one hand, the water collecting capacity of the device is ensured, and on the other hand, enough space is reserved for gas flowing. The gas flow resistance is reduced, and the uniformity of gas flow is improved.

Drawings

FIG. 1 is a schematic view of a prior art cone cap structure;

FIG. 2 is a schematic structural view of the present invention;

wherein: 1-water collecting tank, 2-water collecting and gas distributing unit, 3-confluence disc and 4-grid frame.

Detailed Description

The invention is further explained by combining the attached drawings, as shown in figure 2, the novel water and gas collecting and distributing device for the I-shaped washing tower is provided with a circular collecting tray 3 positioned at the bottom, and the collecting tray is welded with the inner wall of the washing tower and is fixed below a main spraying layer of the I-shaped washing tower. A drain outlet (not shown) is arranged in the confluence disc. An upper layer of water collecting and gas distributing unit 2 and a lower layer of water collecting and gas distributing unit 2 are arranged above the confluence disc, the water collecting and gas distributing unit is composed of 8 fan-shaped water collecting grooves 1, the top points of the fan-shaped water collecting grooves are converged into a circle of the water collecting and gas distributing unit, and the 8 fan-shaped water collecting grooves are circumferentially arranged at equal intervals to form a whole water collecting and gas distributing unit which is circular.

The water collecting tank of the upper layer water collecting and gas distributing unit is positioned above the gap between the water collecting tanks of the lower layer water collecting and gas distributing unit; the water collecting tank of the lower water collecting and gas distributing unit is positioned below a gap between the water collecting tanks of the upper water collecting and gas distributing unit, the water collecting tank is of a fan-shaped groove-shaped structure and is enclosed into a whole to form a circular water collecting and gas distributing unit, and one end, away from the circle center, of the water collecting tank is inclined downwards relative to the horizontal plane. By adopting the structure design, the washing water which is drenched from the upper part of the device can be collected in the largest range, and the washing water is introduced into the confluence disc. The setting of dislocation structure makes the whole many places spaces that exist of cloth gas unit that catchments, also the central point that the cloth gas unit that catchments puts, the peripheral position all has the space to the space is arranged evenly, and then guarantees that the flue gas circulation is even, can not put at the central point of device and produce the negative pressure.

Because the water catch bowl is fan-shaped groove structure, it still has the effect of connecing the washing water greatly when guide washing water inflow converges the dish, delays the time that the washing water flows in from the water catch bowl and converges the dish, and then guarantees to converge the catchment in the dish and can discharge from the outlet smoothly, prevents to converge the dish in catchment too much and spills over and converge the dish, leads to converging the dish drainage unsmooth.

The welding of water catch bowl below has circular net rack 4, and the net rack props up the water catch bowl, has guaranteed water catch bowl stable in structure, prevents that the water catch bowl from when receiving the washing water, can not bear the impact force when the washing water falls down. The grid frame is welded with the inner wall of the washing tower, and the water collecting layer is further fixed.

The novel water-collecting gas-distributing device is positioned between the main spraying layer and the cooling spraying layer in the I-shaped washing tower, collects washing water flowing down from the washing tower sprayed by the main spraying layer, and introduces the washing water into the confluence disc.

The double-layer water and gas collecting and distributing unit is matched with the confluence disc to seal the flowing section of the washing water, so that the washing water is contained and drained in the maximum range. Sufficient gas flowing space exists between the double-layer water collecting and gas distributing units, and the flowing position of the space extends from the center to the edge, so that gas is uniformly distributed from the center to the edge while the flowing resistance of the gas is degraded, and the smoke can uniformly flow upwards and is in contact with a spraying layer above the device. Compared with the traditional water collecting and air distributing device, the pressure drop is effectively reduced by 200 Pa and 300 Pa.

Claims (5)

1. The utility model provides a novel water collection gas distribution device which characterized in that: there is circular collection tray (3) that sets up in the bottom, be fixed with collection water gas distribution unit (2) above the collection tray, it is upper and lower two-layer to collect water gas distribution unit, there is the interval between the two-layer collection water gas distribution unit, it comprises a plurality of fan-shaped water catch bowl (1) to collect water gas distribution unit, the summit of a plurality of water catch bowl collects the centre of a circle that forms the collection water gas distribution unit, a plurality of water catch bowl circumference equidistant settings, form whole circular shape collection water gas distribution unit, the water catch bowl that upper strata collection water gas distribution unit has and the water catch bowl dislocation set that lower floor collection water gas distribution unit has.

2. The novel water collecting and air distributing device as claimed in claim 1, characterized in that: the radiuses of the two layers of water collecting and gas distributing units are the same, and the radiuses of the water collecting and gas distributing units are smaller than the radius of the confluence disc.

3. The novel water collecting and air distributing device as claimed in claim 1, characterized in that: one end of the water collecting tank far away from the circle center is inclined downwards relative to the horizontal plane.

4. The novel water collecting and air distributing device as claimed in claim 1, characterized in that: the inside outlet that is provided with of cylinder manifold.

5. The novel water collecting and air distributing device as claimed in claim 1, characterized in that: the lower surface of the water collecting tank is welded with a circular grid frame (4).

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