Rain shielding curtain device at inlet of wet desulphurization absorption tower

Abstract

The utility model belongs to the technical field of absorption towers, and particularly relates to a wet desulphurization absorption tower inlet rain shielding curtain device which comprises an absorption tower main body and an air inlet, the air inlet is installed on one side of the absorption tower main body, and the lower end of the air inlet is connected with one side of a rain shielding curtain main body. According to the wet desulphurization absorption tower inlet rain shielding curtain device, the rain shielding curtain body is pulled to block the air inlet and the driving motor, external rainwater can be prevented from directly entering the absorption tower body through the air inlet through the installed rain shielding curtain body, absorption liquid is not prone to being diluted by the external rainwater, and the absorption efficiency is improved. The filter screen plate can filter out dust flying catkins carried by the airflow, then the driving motor is started, the cleaning brush can clean the filter screen plate, meanwhile, the rain shielding curtain body shields outside rainwater, the rainwater is prevented from diluting the absorption liquid, and the wet desulphurization absorption tower keeps a stable desulphurization effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tower technology field, concretely is a kind of wet flue gas desulfurization tower entrance rain curtain device. BACKGROUND

[0002] Wet flue gas desulfurization tower is a kind of equipment widely used in flue gas desulfurization process, mainly used for removing sulfur dioxide in industrial exhaust gas, to reduce pollution to the environment, the main role of wet flue gas desulfurization tower is to remove sulfur dioxide in flue gas, sulfur dioxide is one of the main pollutants when burning coal, oil and natural gas and other fuels, it has serious influence on air quality and human health, wet flue gas desulfurization tower utilizes liquid absorbent and sulfur dioxide in flue gas to react, to convert it into harmless or easily handled compounds;

[0003] The gas inlet of wet flue gas desulfurization tower generally needs to meet certain airflow requirements, and a certain opening size is usually maintained during design to ensure sufficient airflow flow, and the tower usually uses suction or negative pressure to introduce gas into the tower, since the gas pressure in the tower is lower than that of the external environment, the airflow will be attracted into the tower without leaking outward, this negative pressure environment prevents gas from leaking to the outside from the gas inlet or other open parts, since the tower is usually located in an open or semi-open environment, wind force can easily blow rainwater into the tower inlet under weather conditions such as strong wind or heavy rain, and the external rainwater directly entering the tower can dilute the absorption liquid, reduce its desulfurization efficiency, and further affect the desulfurization effect, therefore, we propose a wet flue gas desulfurization tower entrance rain curtain device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of wet flue gas desulfurization tower entrance rain curtain device to solve the problem that wind force easily blows rainwater into the tower inlet, and external rainwater directly enters the tower, dilutes the absorption liquid and affects the desulfurization effect as described in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wet flue gas desulfurization tower entrance rain curtain device, including absorption tower main body and gas inlet, the side of the absorption tower main body is equipped with gas inlet, the lower end of the gas inlet is connected with the side of rain curtain main body, and the other side of rain curtain main body is fixed with magnetic ring one, the side of the gas inlet close to rain curtain main body is fixed with the side of support plate, and the other side of support plate is connected with magnetic ring two, the inner side of the gas inlet is connected with filter screen, the middle part of filter screen is movably connected with bevel gear one by bearing, and bevel gear one is opposite with bevel gear two.

[0006] Preferably, the side of the bevel gear two is fixed with bevel gear three through shaft, and bevel gear three is movably connected with gas inlet by bearing.

[0007] Preferably, the bevel gear three is connected with the bevel gear four, and the bevel gear four is movably connected with the air inlet through a bearing.

[0008] Preferably, the lower side of the bevel gear four is fixed with the output end of the driving motor, and the driving motor is connected with the air inlet.

[0009] Preferably, the side of the filter screen plate away from the bevel gear one is movably connected with the connecting rod through a bearing, and the connecting rod is fixed with the bevel gear one.

[0010] Preferably, the connecting rod is slidably connected with the sliding plate, and one end of the connecting rod is sleeved with a connecting spring.

[0011] Preferably, the two ends of the connecting spring are fixed with the connecting rod and the sliding plate respectively, and one side of the sliding plate is movably connected with the cleaning brush through a bearing.

[0012] Preferably, the side of the cleaning brush away from the sliding plate is fixed with the toothed disc, and the toothed disc is connected with the toothed ring.

[0013] Preferably, the toothed ring is fixed with the air inlet, the outer side of the convex teeth of the toothed disc is bonded with a connecting pad one, and the outer side of the convex teeth of the toothed ring is bonded with a connecting pad two.

[0014] Preferably, the connecting pad one and the connecting pad two are made of deformable rubber material, and the connecting pad one is extruded with the connecting pad two.

[0015] Compared with the prior art, the wet desulphurization absorption tower inlet rain curtain device has the advantages that: the rain curtain main body can block the air inlet and the driving motor, the external rainwater cannot directly enter the inside of the absorption tower main body through the air inlet, the external rainwater is not easy to dilute the absorption liquid, the filter screen plate can filter the dust and flying floss carried by the airflow, the driving motor is started again, the cleaning brush can clean the filter screen plate, the rain curtain main body blocks the external rainwater, the rainwater cannot dilute the absorption liquid, and the wet desulphurization absorption tower can maintain stable desulphurization effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the absorption tower main body, the air inlet and the connection structure schematic view of the utility model;

[0017] Figure 2 It is the air inlet, the rain curtain main body and the connection structure schematic view of the utility model;

[0018] Figure 3 It is the rain curtain main body, the support plate and the connection structure schematic view of the utility model;

[0019] Figure 4 It is the rain curtain main body, the support plate and the connection structure schematic view of the utility model;Figure 2 A local enlarged structure schematic view at middle B;

[0020] Figure 5 The utility model discares Figure 3 A local enlarged structure schematic view at middle C;

[0021] Figure 6 The utility model discares Figure 3 A local enlarged structure schematic view at middle C.

[0022] In the drawing: 1, absorption tower main body;101, air inlet;2, rain curtain main body;201, magnetic ring one;202, branch plate;203, magnetic ring two;204, filter screen plate;205, bevel gear one;206, bevel gear two;207, bevel gear three;208, bevel gear four;209, drive motor;210, connecting rod;211, slide plate;212, connecting spring;213, cleaning brush;214, toothed disc;215, toothed ring;216, connecting pad one;217, connecting pad two. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-6The utility model provides a technical scheme: a kind of wet desulphurization absorption tower entrance rain curtain device, including absorption tower main body 1 and air inlet 101, the side of absorption tower main body 1 is equipped with air inlet 101, the lower end of air inlet 101 is connected with the side of rain curtain main body 2, and the other side of rain curtain main body 2 is fixed with magnetic ring one 201, the side of air inlet 101 close to rain curtain main body 2 is fixed with the side of support plate 202, and the other side of support plate 202 is connected with magnetic ring two 203, the inside of air inlet 101 is connected with filter screen plate 204, the middle part of filter screen plate 204 is movably connected with bevel gear one 205 by bearing, and bevel gear one 205 is opposite with bevel gear two 206, the side of bevel gear two 206 is fixed with bevel gear three 207 by shaft, and bevel gear three 207 is movably connected with air inlet 101 by bearing, bevel gear three 207 is opposite with bevel gear four 208, and bevel gear four 208 is movably connected with air inlet 101 by bearing, the downside of bevel gear four 208 is fixed with the output end of driving motor 209, and driving motor 209 is connected with air inlet 101, the side of filter screen plate 204 away from bevel gear one 205 is movably connected with connecting rod 210 by bearing, and connecting rod 210 is fixed with bevel gear one 205, connecting rod 210 is slidably connected with slide plate 211, and one end of connecting rod 210 is sleeved with connecting spring 212, both ends of connecting spring 212 are fixed with connecting rod 210 and slide plate 211 respectively, and the side of slide plate 211 is movably connected with cleaning brush 213 by bearing, the side of cleaning brush 213 away from slide plate 211 is fixed with tooth disc 214, and tooth disc 214 is opposite with tooth ring 215, tooth ring 215 is fixed with air inlet 101, the outside of convex tooth of tooth disc 214 is bonded with connecting pad one 216, the outside of convex tooth of tooth ring 215 is bonded with connecting pad two 217, connecting pad one 216 and connecting pad two 217 adopt deformable rubber material, and connecting pad one 216 is extruded with connecting pad two 217, magnetic ring one 201 and magnetic ring two 203 are magnetically attracted, bevel gear one 205 and bevel gear two 206 are meshingly connected, bevel gear three 207 and bevel gear four 208 are meshingly connected, connecting rod 210 is matched with slide plate 211, and the cross-sectional shape of slide plate 211 is rectangular.

[0025] In specific implementation, according to Figures 1-6, the rain curtain body 2 is pulled to separate the magnetic ring one 201 from the magnetic ring two 203, at this time the rain curtain body 2 is lowered under the influence of the gravity of the magnetic ring one 201, so that the rain curtain body 2 can shield the air inlet 101, and the rain curtain body 2 can shield the driving motor 209 at the same time, at this time the airflow can pass through the filter screen plate 204 through the air inlet 101 into the inside of the absorption tower body 1, by installing the rain curtain body 2, the external rainwater can be prevented from directly entering the inside of the absorption tower body 1 through the air inlet 101, so that the external rainwater is not easy to dilute the absorption liquid, and the desulfurization efficiency of the absorption liquid is not easy to be reduced, and the filter screen plate 204 can filter the dust and flying fibers carried by the airflow, and then the driving motor 209 is started, the output end of the driving motor 209 drives the bevel gear four 208 to rotate, the bevel gear three 207 and the bevel gear four 208 are in meshing butt joint, so that the bevel gear three 207 can rotate with the bevel gear four 208, so that the bevel gear three 207 can drive the bevel gear two 206 to rotate, the bevel gear one 205 and the bevel gear two 206 are in meshing butt joint, so that the bevel gear one 205 can rotate with the bevel gear two 206, so that the bevel gear one 205 drives the connecting rod 210 to rotate, the connecting rod 210 and the sliding plate 211 are matched, the cross-sectional shape of the sliding plate 211 is rectangular, so that the connecting rod 210 can drive the sliding plate 211 to rotate at the same time, so that the sliding plate 211 drives the cleaning brush 213 to move, and the cleaning brush 213 moves to drive the gear disc 214 to move along the gear ring 215, the connecting pad one 216 and the connecting pad two 217 are made of deformable rubber material, and the connecting pad one 216 and the connecting pad two 217 are extruded, so that the gear disc 214 can rotate when moving along the gear ring 215, so that the gear disc 214 can drive the cleaning brush 213 to rotate, so that the cleaning brush 213 can move and rotate at the same time, at this time the connecting spring 212 has an inward contraction force, so that the connecting spring 212 can drive the cleaning brush 213 and the filter screen plate 204 to be extruded through the sliding plate 211, so that the cleaning brush 213 can quickly clean the filter screen plate 204, so that the filter screen plate 204 can easily maintain stable efficiency to filter the dust and flying fibers of the external air, and the rain curtain body 2 shields the external rainwater, prevents the rainwater from diluting the absorption liquid, and maintains the stable desulfurization effect of the wet desulfurization absorption tower.

[0026] In summary, after the wet desulphurization absorption tower is installed in an open or semi-open environment, the rain screen body 2 is pulled, the rain screen body 2 is caused to sag under the influence of the gravity of the magnetic ring one 201, the rain screen body 2 can block the air inlet 101 and the driving motor 209, the rain screen body 2 can prevent external rainwater from directly entering the inside of the absorption tower body 1 through the air inlet 101, the external rainwater is not easy to dilute the absorption liquid, the driving motor 209 is started again, the cleaning brush 213 can quickly clean the filter screen plate 204, so that the filter screen plate 204 can conveniently maintain stable efficiency to filter the dust and flying floss of external air, meanwhile, the rain screen body 2 blocks the external rainwater, prevents the rainwater from diluting the absorption liquid, and causes the wet desulphurization absorption tower to maintain stable desulphurization effect, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wet desulfurization absorption tower entrance rain curtain device, comprising an absorption tower body (1) and an air inlet (101), characterized in that: One side of the absorption tower body (1) is provided with the air inlet (101), the lower end of the air inlet (101) is connected with one side of a rain curtain body (2), the other side of the rain curtain body (2) is fixed with a magnetic ring one (201), one side of the air inlet (101) close to the rain curtain body (2) is fixed with one side of a support plate (202), the other side of the support plate (202) is connected with a magnetic ring two (203), the inner side of the air inlet (101) is connected with a filter screen plate (204), the middle part of the filter screen plate (204) is movably connected with a bevel gear one (205) through a bearing, and the bevel gear one (205) is opposite to a bevel gear two (206).

2. A wet desulphurization tower inlet rain curtain device according to claim 1, characterized in that: One side of the bevel gear two (206) is fixed with a bevel gear three (207) through a shaft rod, and the bevel gear three (207) is movably connected with the air inlet (101) through a bearing.

3. A wet desulphurisation tower inlet rain shield according to claim 2, characterised in that: The bevel gear three (207) is opposite to a bevel gear four (208), and the bevel gear four (208) is movably connected with the air inlet (101) through a bearing.

4. A wet desulphurisation tower inlet rain shield according to claim 3, characterised in that: The lower side of the bevel gear four (208) is fixed with an output end of a driving motor (209), and the driving motor (209) is connected with the air inlet (101).

5. A wet desulphurization tower inlet rain curtain device according to claim 1, characterized in that: The side of the filter screen plate (204) away from the bevel gear one (205) is movably connected with a connecting rod (210) through a bearing, and the connecting rod (210) is fixed with the bevel gear one (205).

6. A wet desulphurisation tower inlet rain shield according to claim 5, characterised in that: The connecting rod (210) is slidably connected with a sliding plate (211), and one end of the connecting rod (210) is sleeved with a connecting spring (212).

7. A wet desulphurisation tower inlet rain shield according to claim 6, characterised in that: The two ends of the connecting spring (212) are respectively fixed with the connecting rod (210) and the sliding plate (211), and one side of the sliding plate (211) is movably connected with a cleaning brush (213) through a bearing.

8. A wet desulphurisation tower inlet rain shield according to claim 7, characterised in that: The side of the cleaning brush (213) away from the sliding plate (211) is fixed with a toothed disc (214), and the toothed disc (214) is opposite to a toothed ring (215).

9. A wet desulphurisation tower inlet rain shield according to claim 8, characterised in that: The toothed ring (215) is fixed with the air inlet (101), the outer side of the convex teeth of the toothed disc (214) is bonded with a connecting pad one (216), and the outer side of the convex teeth of the toothed ring (215) is bonded with a connecting pad two (217).

10. A wet desulphurisation tower inlet rain shield apparatus according to claim 9, characterised in that: The connecting pad one (216) and the connecting pad two (217) are made of deformable rubber material, and the connecting pad one (216) is pressed with the connecting pad two (217).

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