Bamboo hat type desulfurization system absorption tower spraying and water collecting device

Abstract

The utility model discloses a bamboo hat type desulfurization system absorption tower spraying and water collecting device, a flue gas uniform distribution device, a desulfurization spraying layer and a dedusting and demisting device are sequentially installed inside a desulfurization tower body from bottom to top, the flue gas uniform distribution device is composed of a water collecting plate and a plurality of turbulent flow cylinders, and a plurality of turbulent flow blades are evenly and fixedly installed on the inner walls of the turbulent flow cylinders. The water collecting plate is fixedly installed in the desulfurizing tower body, a supporting cylinder is detachably installed on the upper portion of the turbulent flow cylinder, a bamboo hat cover is installed on the upper portion of the supporting cylinder, and the two ends of the water collecting plate communicate with water discharging pipes. According to the utility model, the gas passing resistance can be effectively reduced, and the turbulent flow blades have a rotational flow effect, so that the disturbance of flue gas is increased, and the gas-liquid reaction effect is enhanced; spraying water of the desulfurization spraying layer can be blocked by the bamboo hat cover and can fall to the surface of the water collecting plate, the water discharging pipe is externally connected with the water collecting tank, the spraying water can be collected, the collecting process is simple, the collected spraying water serves as circulating water, and waste is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to desulfurizing tower equipment technical field more specifically, especially relates to a hat -shaped desulfurization system absorption tower spray water collecting device. BACKGROUND

[0002] At present, in order to eliminate plume phenomenon or recover flue gas waste heat and moisture, the method of spraying cooling water in the flue by using heat pump is adopted after the flue gas desulfurizing tower of coal-fired power plant, but the method needs to build a large-sized spray tower, and usually there is no suitable installation position for units above 300MW.

[0003] Meanwhile, when the existing absorption tower spray device sprays cooling water, the cooling water will fall into the bottom of the desulfurizing tower from the turbulence layer, and the cooling water will mix with the impurity particles in the flue gas, which is inconvenient to collect, resulting in excessive water resource loss caused by excessive water use. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of hat -shaped desulfurization system absorption tower spray water collecting devices, which are convenient to collect spray water and improve gas-liquid reaction effect.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a kind of hat -shaped desulfurization system absorption tower spray water collecting device, including desulfurizing tower body, smoke tower, flue gas distribution device, desulfurization spray layer and heat exchange temperature rising device, the desulfurizing tower body is connected with the smoke inlet of smoke tower by heat exchange temperature rising device, the flue gas distribution device, desulfurization spray layer and dust and mist removal device are installed in desulfurizing tower body inside from bottom to top in turn, the flue gas distribution device is formed by water collecting plate and multiple turbulence cylinders, multiple turbulence vanes are uniformly fixed and installed on the inner wall of turbulence cylinder, the water collecting plate is fixed and installed in desulfurizing tower body inside, multiple installation ports for turbulence cylinder insertion are uniformly arranged on the surface of water collecting plate, detachable support cylinder is installed on the upper portion of turbulence cylinder, and hat cover is installed on the upper portion of support cylinder, the both ends of water collecting plate are connected with water drain pipe.

[0006] Preferably, the turbulence vane is a smooth twisted vane.

[0007] Preferably, the desulfurization spray layer is a spray water pump.

[0008] Preferably, a water baffle is installed at the top edge of the water collecting plate.

[0009] Preferably, the inner bottom of the hat cover is fixedly connected with the upper end of the support cylinder through a support frame.

[0010] Preferably, the dust and mist removal device is a cyclone coupling type high-efficiency dust and mist remover.

[0011] Preferably, an external connector is threadedly connected to the lower end of the water drain pipe.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a smoke gas uniform distribution device is provided with the turbulence blade in the turbulence cylinder, and when the flue gas passes through the bottom of the smoke gas uniform distribution device, the pore diameter is relatively big, can effectively reduce the resistance of gas passing, the turbulence blade has the effect of cyclone, increases the disturbance of flue gas and enhances the gas-liquid reaction effect, and the spraying water of the desulfurization spraying layer can be blocked by the conical hat cover, and the spraying water can fall to the surface of the water collecting plate, is connected with the water collecting tank through the water drain pipe, can collect the spraying water, and the collecting process is simple, and the collected spraying water is used as the circulating water, avoids the waste. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0015] Figure 1 It is the structure diagram of the spraying water collecting device of the conical hat type desulfurization system absorption tower of the utility model;

[0016] Figure 2 It is the structure diagram of the water collecting plate and turbulence cylinder of the utility model;

[0017] Figure 3 It is the side view of the smoke gas uniform distribution device of the utility model;

[0018] Figure 4 It is Figure 3 The structure enlarged schematic diagram of A in the figure.

[0019] In the figure: 1 is the desulfurization tower body, 2 is the smoke tower, 3 is the smoke gas uniform distribution device, 31 is the turbulence cylinder, 32 is the turbulence blade, 33 is the water collecting plate, 34 is the water drain pipe, 35 is the external connector, 36 is the support cylinder, 37 is the conical hat cover, 38 is the support frame, 39 is the water baffle, 4 is the desulfurization spraying layer, 5 is the dust and mist removal device, 6 is the heat exchange and temperature rising device. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0021] Reference Figures 1-4The utility model provides a hat -shaped desulfurization system absorption tower spray water collecting device, including desulfurization tower body 1, smoke tower 2, smoke gas even distribution device 3, desulfurization spray layer 4 and heat exchange temperature rising device 6, desulfurization tower body 1 passes through heat exchange temperature rising device 6 and the smoke inlet communication connection of smoke tower 2, smoke gas even distribution device 3, desulfurization spray layer 4 and dust and mist removal device 5 are installed in desulfurization tower body 1 inside in proper order from below to top, smoke gas even distribution device 3 is by water collecting board 33 and a plurality of turbulence cylinder 31 constitute, turbulence cylinder 31 inner wall evenly fixed mounting has a plurality of turbulence vane 32, water collecting board 33 fixed mounting is in desulfurization tower body 1 inside, and the surface of water collecting board 33 evenly has a plurality of installation port for turbulence cylinder 31 inserts, and turbulence cylinder 31 upper portion detachably mounted has support cylinder 36, and support cylinder 36 upper portion is installed with hat -shaped cover 37, and water board 33 both ends are communicated and are connected with the drain pipe 34.

[0022] In the embodiment, the turbulence vane 32 is a smooth twisted blade, which can enhance the gas disturbance and improve the gas-liquid mixing effect.

[0023] In the embodiment, the desulfurization spray layer 4 is a spray water pump, which improves the uniformity of water spraying.

[0024] Further, to avoid the spray water from spilling from the edge of the water collecting board 33, in the embodiment, the water collecting board 33 is provided with a water baffle 39 at the top edge.

[0025] Further, to ensure that the flue gas can pass through the gap between the hat-shaped cover 37 and the support cylinder 36, in the embodiment, the inner bottom of the hat-shaped cover 37 is fixedly connected with the upper end of the support cylinder 36 through a support frame 38.

[0026] In the embodiment, the dust and mist removal device 5 is a cyclone coupling type high-efficiency dust and mist remover, which is provided with two stages. The first stage device separates the water mist and the ultra-fine dust wrapped therein from the flue gas at a relatively low flue gas flow rate than the second stage. Then, a cooling spray liquid collecting device is arranged between the two stages to cool, spray, wrap, and coalesce, so as to condense and cool and improve the efficiency of the second-stage dust and mist remover, so that the dust has no place to hide and is completely captured.

[0027] Further, to facilitate the connection of the water collecting tank to the drain pipe 34, in the embodiment, the lower end of the drain pipe 34 is threadedly connected with an external connector 35, and the other end of the external connector 35 extends outside the desulfurization tower body 1.

[0028] The specific working steps are as follows: the flue gas passes through the bottom of the flue gas uniform distribution device 3, when passing through the turbulence cylinder 31, the internal turbulence blades 32 play a cyclone role, improve the gas-liquid mixing effect, under the premise of ensuring the smooth passage of the flue gas, the spraying water of the desulfurization spraying layer 4 can be blocked by the conical hat cover 37, the spraying water can fall to the surface of the water collecting plate 33, and the spraying water can be collected through the water outlet pipe 34 and the external collecting water tank, so as to be used as circulating water.

[0029] Although the embodiments of the utility model are described in combination with the drawings, the patent owner can make various modifications or changes within the scope of the appended claims, as long as they do not exceed the protection scope described in the claims of the utility model, and should be within the protection scope of the utility model.

Claims

1. A bucket-type desulfurization system absorber tower spray water collection device, comprising a desulfurization tower body, a flue gas tower, a flue gas equalization device, a desulfurization spray layer, and a heat exchange and heating device, wherein the desulfurization tower body is connected to the flue gas inlet of the flue gas tower through the heat exchange and heating device, characterized in that: The flue gas distribution device, desulfurization spray layer, and dust removal and demisting device are installed sequentially from bottom to top inside the desulfurization tower body. The flue gas distribution device consists of a water collection plate and multiple baffles. Multiple baffles are evenly fixedly installed on the inner wall of the baffles. The water collection plate is fixedly installed inside the desulfurization tower body. Multiple installation ports for inserting baffles are evenly opened on the surface of the water collection plate. A support cylinder is detachably installed on the upper part of the baffles. A hood is installed on the upper part of the support cylinder. Both ends of the water collection plate are connected to a drain pipe.

2. The spray water collection device for the absorber tower of a bucket-type desulfurization system according to claim 1, characterized in that: The turbulence-causing blades are smooth, twisted blades.

3. The spray water collection device for the absorber tower of a bucket-type desulfurization system according to claim 1, characterized in that: The desulfurization spray layer is a spray water pump.

4. The spray water collection device for the absorber tower of a bucket-type desulfurization system according to claim 1, characterized in that: A water baffle is installed at the top edge of the water collection plate.

5. The spray water collection device for the absorber tower of a bucket-type desulfurization system according to claim 1, characterized in that: The bottom of the inner part of the straw hat cover is fixedly connected to the upper end of the support cylinder by a support frame.

6. The spray water collection device for the absorber tower of a bucket-type desulfurization system according to claim 1, characterized in that: The dust removal and demisting device is a cyclone coupling type high-efficiency dust removal and demisting device.

7. The spray water collection device for the absorber tower of a bucket-type desulfurization system according to claim 1, characterized in that: The lower end of the drain pipe is threadedly connected to an external connector.

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