CN115920616B - Flue gas desulfurization tower for recycling sulfur dioxide - Google Patents
Flue gas desulfurization tower for recycling sulfur dioxide Download PDFInfo
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- CN115920616B CN115920616B CN202211616889.7A CN202211616889A CN115920616B CN 115920616 B CN115920616 B CN 115920616B CN 202211616889 A CN202211616889 A CN 202211616889A CN 115920616 B CN115920616 B CN 115920616B
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Abstract
The application provides a flue gas desulfurization tower for recycling sulfur dioxide, which relates to the field of desulfurization towers, wherein an adaptive movable plate, a guide rod and an adaptive filter element are arranged in the tower body, the adaptive movable plate is connected with the guide rod in a sliding way along the vertical direction, the adaptive filter element is arranged around the guide rod, the lower end of the adaptive filter element is fixedly connected with the upper surface of the adaptive movable plate, the upper end of the adaptive filter element is fixedly connected with the inner side wall of the tower body, a through hole is arranged on the adaptive movable plate, the through hole is positioned at the outer side of a surrounding area of the lower end of the adaptive filter element, and the adaptive filter element has air permeability, water absorption and elasticity; the top fixedly connected with shower head in the tower body, the top fixedly connected with water tank outside the tower body, the second circulating water pump of establishing ties between the export of water tank and the shower head, second circulating water pump are suitable for the water pump in the water tank to go into the shower head, and the shower head is suitable for in spraying the water to the self-adaptation filter piece around the space and on the self-adaptation filter piece.
Description
Technical Field
The application relates to the technical field of desulfurizing towers, in particular to a flue gas desulfurizing tower for recycling sulfur dioxide.
Background
The desulfurizing tower is a tower type equipment for desulfurizing industrial waste gas, which generally comprises a tower body, a water tank is arranged in the tower body, a circulating water pump is used for pumping water solution in the water tank to an air inlet, waste gas is contacted with the water solution when entering the inside of the tower body from the air inlet, part of pollutant (such as sulfur dioxide gas) in the waste gas is adsorbed by the water, however, the flow of the waste gas entering from the air inlet changes at different time, when the flow is large, the desulfurization rate (sulfur dioxide absorptivity) can be reduced, and the desulfurization rate of the desulfurizing tower in the prior art can not be adaptively adjusted according to the change of the inlet flow.
Disclosure of Invention
The application provides a flue gas desulfurization tower for recycling sulfur dioxide, which is used for solving the technical problem that the desulfurization rate of the desulfurization tower in the prior art cannot be adaptively adjusted according to the change of inlet air flow.
In the embodiment of the application, a flue gas desulfurization tower for recycling sulfur dioxide is provided, and comprises a tower body, wherein the bottom of the tower body is provided with an exhaust gas inlet and a first circulating water pump, one end of the first circulating water pump stretches into the exhaust gas inlet, the other end of the first circulating water pump stretches into the bottom of the tower body, the top of the tower body is provided with an exhaust gas outlet, the inside of the tower body is provided with an adaptive movable plate, a guide rod and an adaptive filter element, the guide rod is vertically arranged, the upper end of the guide rod is fixedly connected with the top of the tower body, the adaptive movable plate is in sliding connection with the guide rod along the vertical direction, the adaptive movable plate is horizontally arranged, the adaptive filter element is arranged around the guide rod, the adaptive filter element is positioned above the adaptive movable plate, the lower end of the adaptive filter element is fixedly connected with the upper surface of the adaptive movable plate, the upper end of the adaptive filter element is fixedly connected with the inner side wall of the tower body, the adaptive filter element and the adaptive filter element are arranged in a space surrounding the upper part of the tower body and the lower part of the tower body, and the adaptive filter element is provided with an air-absorbing filter area; the top fixedly connected with shower head in the tower body, the top fixedly connected with water tank outside the tower body, the export of water tank with connect in series between the shower head has the second circulating water pump, the second circulating water pump is suitable for with the water pump in the water tank in the shower head, the shower head is suitable for with water spray to in the self-adaptation filter spare surrounds the space and on the self-adaptation filter spare.
In some implementations of the embodiments of the present application, a limiting ring is fixedly connected to the lower end of the guide rod, the limiting ring is located below the adaptive movable plate, the adaptive movable plate can abut against the limiting ring after sliding down along the guide rod, and the adaptive movable plate pulls down the adaptive filter element by gravity to make the adaptive filter element in a stretched state.
In some implementations of the embodiments of the present application, a counterweight ring is sleeved on the guide rod, the counterweight ring is slidably connected with the guide rod along a vertical direction, the counterweight ring is located above the adaptive movable plate, a lower surface of the counterweight ring abuts against an upper surface of the adaptive movable plate along a vertical direction, and the counterweight ring presses down the adaptive movable plate by gravity.
In some implementations of the embodiments of the present application, a guide sealing sleeve is fixedly connected to an inner side wall of the tower body, the guide sealing sleeve is disposed around the adaptive movable plate, an outer side surface of the adaptive movable plate is slidably connected to an inner side surface of the guide sealing sleeve in a vertical direction, and the outer side surface of the adaptive movable plate is tightly matched with the inner side surface of the guide sealing sleeve.
In some embodiments of the present application, the shape of the spray header is annular, the spray header is disposed around the upper end of the guide rod, spray holes are uniformly distributed on the lower surface of the spray header along the circumferential direction, the mist droplets sprayed from each spray hole are conically dispersed in the upper space, the mist droplet coverage spaces sprayed from two opposite spray holes on two sides of the guide rod overlap in the upper space, the coverage area of the overlapping area is the same as the area of the surrounding area of the upper end of the adaptive filter, and the coverage boundary of the overlapping area coincides with the boundary of the surrounding area of the upper end of the adaptive filter.
In some implementations of the embodiments of the present application, a shielding plate is fixedly connected to an inner wall of the tower body, the shielding plate is horizontally disposed, a spraying port is disposed at a center of the shielding plate, the guide rod is located at a center of the spraying port, the shielding plate is located above the adaptive filter, an upper end of the adaptive filter is fixedly connected to an edge of the spraying port, an upper end of the adaptive filter is fixedly connected to the inner wall of the tower body through the shielding plate, and a coverage boundary of the overlapping region coincides with a boundary of a surrounding region of the spraying port.
In some implementations of the embodiments of the present application, an annular recovery groove is fixedly connected to the inner wall of the tower body, the annular recovery groove is disposed around the central axis of the guide rod, an opening of the annular recovery groove is disposed upwards, the annular recovery groove is located below the adaptive movable plate, and the through hole is located right above the opening of the annular recovery groove.
In some implementations of the embodiments of the present application, a third circulating water pump is fixedly connected to the outer side wall of the tower body, an inlet of the third circulating water pump is communicated with the inner space of the annular recovery tank, and an outlet of the third circulating water pump is connected with an inlet of the water tank.
In some implementations of the embodiments of the present application, an infrared distance sensor is fixedly connected to the top in the tower body, a detection direction of the infrared distance sensor is vertically downward, the infrared distance sensor is located inside a surrounding area of the adaptive filter, the infrared distance sensor is adapted to detect a vertical distance between the adaptive movable plate and the infrared distance sensor, a controller is fixedly connected to a side wall outside the water tank, the second circulating water pump and the infrared distance sensor are respectively connected with the controller, and the controller is adapted to control the second circulating water pump to work according to the vertical distance between the adaptive movable plate and the infrared distance sensor.
In some implementations of the embodiments of the application, the adaptive filter surface has a dense distribution of mesh openings;
or, the surface of the adaptive filter element is provided with densely distributed grids, and the grids are arranged vertically.
The application has the following beneficial effects:
in the working process, the waste gas enters the tower body from the waste gas inlet, the water at the bottom of the tower body is sprayed into the waste gas inlet by the first circulating water pump to be absorbed with the waste gas for the first time, the particulate matters and part of the gas in the waste gas are absorbed, and the water sprayed into the waste gas port flows back to the bottom of the tower body from the waste gas inlet; after the waste gas enters the lower space, the lower space generates certain air pressure to push the self-adaptive movable plate to move upwards, when the air pressure of the lower space is not changed, the upper position and the lower position of the self-adaptive movable plate are balanced, the waste gas sequentially passes through the through holes and the self-adaptive filter piece to enter the upper space, the second circulating water pump sprays water in the water tank into the second space through the spray head and is scattered on the self-adaptive filter piece to absorb the waste gas entering the upper space, and the self-adaptive filter piece has adsorptivity due to the adsorption of spray water, so that the waste gas is adsorbed by the self-adaptive filter piece when passing through the self-adaptive filter piece; when the exhaust gas flow of the exhaust gas inlet is increased, the air pressure of the lower space is increased, the self-adaptive movable plate is pushed to move upwards, the self-adaptive filter piece is contracted, the ventilation channel on the surface of the self-adaptive filter piece is contracted, the channel length is increased, the resistance to the exhaust gas is increased, the path length of the exhaust gas flowing through the ventilation channel is increased, the reduction of the exhaust gas filtering degree caused by the increase of the exhaust gas flow is avoided, and the desulfurization rate is improved or the reduction of the desulfurization rate is avoided; when the exhaust gas flow of the exhaust gas inlet is reduced, the air pressure of the lower space is reduced, the self-adaptive movable plate moves downwards, the self-adaptive filter piece is stretched, the ventilation channel on the surface of the self-adaptive filter piece is increased and the length is reduced, the desulfurization working efficiency is improved under the condition that the desulfurization rate is kept unchanged, and the desulfurization rate is adaptively adjusted according to the change of the air inlet flow.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a flue gas desulfurization tower for recovering sulfur dioxide in an embodiment of the present application;
FIG. 2 is a schematic drawing showing a structure of an adaptive filter according to an embodiment of the present application, which is a comparison of the stretching before and after the stretching;
FIG. 3 is a schematic drawing showing a comparison of the stretched front and back of an expanded view of another adaptive filter according to an embodiment of the present application.
Reference numerals:
101. a tower body; 102. an exhaust gas inlet; 103. a first circulating water pump; 104. an exhaust gas outlet; 105. a self-adaptive movable plate; 106. a guide rod; 107. an adaptive filter; 108. an upper space; 109. a lower space; 110. a through hole; 111. a spray header; 112. a second circulating water pump; 113. a limiting ring; 114. a counterweight ring; 115. a guide sealing sleeve; 116. a shielding plate; 117. a spray port; 118. an annular recovery tank; 119. a third circulating water pump; 120. an infrared distance sensor; 121. and a controller.
Detailed Description
The following detailed description of embodiments of the application, taken in conjunction with the accompanying drawings and examples, uses terminology in the description of the embodiments of the application in order to explain the application by way of example only and is not intended to be limiting of the application.
As shown in fig. 1, in the embodiment of the present application, there is provided a flue gas desulfurization tower for recovering sulfur dioxide, including a tower body 101, wherein a flue gas inlet 102 and a first circulating water pump 103 are provided at the bottom of the tower body 101, one end of the first circulating water pump 103 extends into the interior of the flue gas inlet 102, the other end of the first circulating water pump 103 extends into the bottom of the tower body 101, a flue gas outlet 104 is provided at the top of the tower body 101, an adaptive movable plate 105, a guide rod 106 and an adaptive filter 107 are provided in the interior of the tower body 101, the guide rod 106 is vertically provided, the upper end of the guide rod 106 is fixedly connected with the top of the tower body 101, the adaptive movable plate 105 is slidably connected with the guide rod 106 in a vertical direction, the adaptive movable plate 105 is horizontally provided, the adaptive filter 107 is provided around the guide rod 106, the adaptive filter 107 is located above the adaptive movable plate 105, the lower end of the adaptive filter 107 is fixedly connected with the upper surface of the adaptive movable plate 105, the adaptive filter 107 is fixedly connected with the upper end of the adaptive movable plate 105, the adaptive filter 107 is provided with the inner side wall of the adaptive filter 107, and the inner side of the adaptive filter 107 is provided with an air-permeable region 110, and the adaptive filter 107 is provided around the inner side of the adaptive movable plate 101, and the adaptive filter 107 is provided with an air-permeable region, and the air-permeable region is formed by the adaptive filter 107; the top fixedly connected with shower head 111 in the tower body 101, the top fixedly connected with water tank outside the tower body 101, the export of water tank with connect in series between the shower head 111 has second circulating water pump 112, second circulating water pump 112 is suitable for with the water pump in the water tank in shower head 111, shower head 111 is suitable for with water spray to in the self-adaptation filter 107 surrounds the space and on the self-adaptation filter 107.
Through the above implementation manner of this embodiment, during the working process, the exhaust gas enters the tower body 101 from the exhaust gas inlet 102, the first circulating water pump 103 sprays the water at the bottom of the tower body 101 into the exhaust gas inlet 102 to perform the first absorption with the exhaust gas, so as to absorb the particulate matters and part of the gas in the exhaust gas, and the water sprayed into the exhaust gas port flows back to the bottom of the tower body 101 from the exhaust gas inlet 102; after the waste gas enters the lower space 109, the lower space 109 generates certain air pressure to push the self-adaptive movable plate 105 to move upwards, when the air pressure of the lower space 109 is not changed any more, the upper and lower positions of the self-adaptive movable plate 105 reach balance, the waste gas sequentially passes through the through holes 110 and the self-adaptive filter 107 to enter the upper space 108, the second circulating water pump 112 sprays water in the water tank into the second space through the spray header 111 and falls on the self-adaptive filter 107, the waste gas entering the upper space 108 is absorbed, and the self-adaptive filter 107 has adsorptivity due to the adsorption of spray water, and the waste gas is adsorbed by the self-adaptive filter 107 when passing through the self-adaptive filter 107; when the exhaust gas flow rate of the exhaust gas inlet 102 increases, the air pressure of the lower space 109 increases, pushing the adaptive movable plate 105 to move upward, the adaptive filter 107 shrinking, the ventilation channel on the surface of the adaptive filter 107 shrinking and the channel length increasing, the resistance to the exhaust gas increasing, the path length of the exhaust gas flowing through the ventilation channel increasing (the thickness increasing, and thus the ventilation channel length increasing), helping to avoid the reduction of the exhaust gas filtration degree due to the increase of the exhaust gas flow rate, the improvement of the desulfurization rate or the avoidance of the reduction of the desulfurization rate; when the exhaust gas flow rate of the exhaust gas inlet 102 decreases, the air pressure of the lower space 109 decreases, the adaptive movable plate 105 moves downward, the adaptive filter 107 is stretched, the ventilation channel on the surface of the adaptive filter 107 increases and the length decreases, and the desulfurization work efficiency is provided while the desulfurization rate is maintained unchanged, so that the desulfurization rate is adaptively adjusted according to the change of the intake air flow rate.
In some implementations of this embodiment, a limiting ring 113 is fixedly connected to the lower end of the guide rod 106, the limiting ring 113 is located below the adaptive movable plate 105, the adaptive movable plate 105 can abut against the limiting ring 113 after sliding down along the guide rod 106, and the adaptive movable plate 105 pulls down the adaptive filter 107 by gravity, so that the adaptive filter 107 is in a stretched state.
With the above implementation of the present embodiment, when no exhaust gas is introduced, the air pressure in the upper space 108 is the same as the air pressure in the lower space 109, and preferably, the adaptive movable plate 105 is just in contact with the stop collar 113, and no extrusion occurs between the adaptive movable plate 105 and the stop collar 113; after the exhaust gas is introduced, the adaptive movable plate 105 can adaptively lift according to the exhaust gas flow, and the limiting ring 113 helps to avoid the adaptive movable plate 105 from sliding down from the guide rod 106 due to inertia when the air pressure of the lower space 109 suddenly drops.
In some implementations of this embodiment, the guide rod 106 is sleeved with a weight ring 114, the weight ring 114 is slidably connected with the guide rod 106 along a vertical direction, the weight ring 114 is located above the adaptive movable plate 105, a lower surface of the weight ring 114 abuts against an upper surface of the adaptive movable plate 105 along a vertical direction, and the weight ring 114 presses the adaptive movable plate 105 down by gravity.
Through the above implementation manner of the embodiment, in the installation process, the weight of the adaptive movable plate 105 makes the adaptive filter element 107 stretch downwards, a certain distance exists between the adaptive movable plate 105 and the limiting ring 113, and the tension of the adaptive movable plate 105 to the adaptive filter element 107 is increased through the counterweight ring 114, so that the adaptive movement just contacts with the limiting ring 113; by reducing the weight of the weight ring 114, the self-adaptive performance of the self-adaptive movable plate 105 can be adjusted, for example, after the weight of the weight ring 114 is reduced, the distance between the self-adaptive movable plate 105 and the limiting ring 113 is changed, so that when the self-adaptive movable plate 105 moves downwards, the self-adaptive movable plate 105 can move downwards for a certain distance by virtue of inertia, the collision between each downward movement and the limiting ring 113 is avoided, and the collision force between the self-adaptive movable plate 105 and the limiting ring 113 can be adjusted by adjusting the weight.
In some implementations of this embodiment, the inner side wall of the tower body 101 is fixedly connected with a guide sealing sleeve 115, the guide sealing sleeve 115 is disposed around the adaptive movable plate 105, an outer side surface of the adaptive movable plate 105 is slidably connected with an inner side surface of the guide sealing sleeve 115 along a vertical direction, and the outer side surface of the adaptive movable plate 105 is tightly matched with the inner side surface of the guide sealing sleeve 115.
By the above-described embodiment of the present embodiment, the guide sealing sleeve 115 seals the edge of the adaptive movable plate 105 and guides the adaptive movable plate 105 in the vertical direction, thereby improving the stability of the up-and-down movement of the adaptive movable plate 105 and the sensitivity of the up-and-down movement according to the change of the lower air pressure.
In some implementations of this embodiment, the shape of the spray header 111 is annular, the spray header 111 is disposed around the upper end of the guide rod 106, spray holes are uniformly distributed on the lower surface of the spray header 111 along the circumferential direction, the droplets ejected from each spray hole diverge in a tapered manner in the upper space 108, the droplet coverage spaces ejected from two opposite spray holes located on two sides of the guide rod 106 overlap in the upper space 108, the coverage area of the overlapping area is the same as the area of the surrounding area of the upper end of the adaptive filter 107, and the coverage boundary of the overlapping area coincides with the boundary of the surrounding area of the upper end of the adaptive filter 107.
With the above embodiment of the present example, when the exhaust gas passes through the adaptive filter 107, the exhaust gas is adsorbed by the water in the adaptive filter 107, enters the surrounding area of the adaptive filter 107, is adsorbed by dense droplets (droplets in the overlapping area), passes through dense droplets, is adsorbed by sparse droplets (droplets outside the overlapping area), and is finally discharged from the exhaust gas outlet 104.
In some implementations of this embodiment, the inner wall of the tower body 101 is fixedly connected with a shielding plate 116, the shielding plate 116 is horizontally disposed, a spraying opening 117 is disposed at the center of the shielding plate 116, the guide rod 106 is located at the center of the spraying opening 117, the shielding plate 116 is located above the adaptive filter 107, the upper end of the adaptive filter 107 is fixedly connected with the edge of the spraying opening 117, the upper end of the adaptive filter 107 is fixedly connected with the inner wall of the tower body 101 through the shielding plate 116, and the coverage boundary of the overlapping area coincides with the boundary of the surrounding area of the spraying opening 117.
In some implementations of this embodiment, an annular recovery groove 118 is fixedly connected to the inner wall of the tower body 101, the annular recovery groove 118 is disposed around the central axis of the guide rod 106, an opening of the annular recovery groove 118 is disposed upwards, the annular recovery groove 118 is located below the adaptive movable plate 105, and the through hole 110 is located right above the opening of the annular recovery groove 118.
Through the above implementation of the present embodiment, the water flowing onto the adaptive movable plate 105 drops into the annular recovery groove 118 from the through hole 110, so as to recycle the sprayed water.
In some implementations of this embodiment, a third circulating water pump 119 is fixedly connected to an outer side wall of the tower body 101, an inlet of the third circulating water pump 119 is communicated with an inner space of the annular recovery tank 118, and an outlet of the third circulating water pump 119 is connected with an inlet of the water tank.
With the above-described embodiment of the present embodiment, the third circulation water pump 119 pumps the water collected in the annular recovery tank 118 back into the water tank for circulation spraying, and it should be understood that the water in the water tank needs to be replaced in whole or in part periodically because the water in the water tank is circulated and used to increase the concentration of impurities and solutes in the water.
In some implementations of this embodiment, an infrared distance sensor 120 is fixedly connected to the top in the tower 101, a detection direction of the infrared distance sensor 120 is vertically downward, the infrared distance sensor 120 is located at an inner side of a surrounding area of the adaptive filter 107, the infrared distance sensor 120 is adapted to detect a vertical distance between the adaptive movable plate 105 and the infrared distance sensor 120, a controller 121 is fixedly connected to a side wall outside the water tank, the second circulating water pump 112 and the infrared distance sensor 120 are respectively connected to the controller 121, and the controller 121 is adapted to control the second circulating water pump 112 to work according to the vertical distance between the adaptive movable plate 105 and the infrared distance sensor 120.
Through the above embodiment of the present embodiment, after the adaptive movable plate 105 moves up and down, the flow rate of the exhaust gas passing through the adaptive filter 107 is changed, and when the flow rate increases (the corresponding adaptive movable plate 105 moves up), the controller 121 controls the second circulating water pump 112 to increase the working power, increase the spray density and the spray speed, and help to increase the desulfurization rate of the exhaust gas with high flow rate.
As shown in fig. 2, in some implementations of the present example, the surface of the adaptive filter 107 has densely distributed mesh openings;
alternatively, as shown in fig. 3, the surface of the adaptive filter 107 has a dense distribution of grids, and the grids are disposed vertically.
Preferably, the self-adaptive filter 107 is made by wrapping cotton threads outside an elastic core thread, the cotton threads on the surface have good water absorption, and the elastic core thread enables the whole self-adaptive filter 107 to have good elasticity.
By the above-described implementation of the present embodiment, the grid is arranged vertically to facilitate the downward flow of water along the surface of the adaptive filter 107, shortening the residence time of water on the adaptive filter 107 (increasing the refresh rate of water on the adaptive filter 107).
The water in this example is a solution with sodium hydroxide added.
The above examples are intended to be illustrative of the application and not limiting, and those skilled in the art, after reading the present specification, may make modifications to the embodiments of the application as necessary without inventive contribution, but are protected by the patent laws within the scope of the appended claims.
Claims (8)
1. The flue gas desulfurization tower for recycling sulfur dioxide comprises a tower body, wherein an exhaust gas inlet and a first circulating water pump are arranged at the bottom of the tower body, one end of the first circulating water pump stretches into the exhaust gas inlet, the other end of the first circulating water pump stretches into the bottom of the tower body, and an exhaust gas outlet is formed in the top of the tower body. The top in the tower body is fixedly connected with a spray header, the top outside the tower body is fixedly connected with a water tank, a second circulating water pump is connected in series between an outlet of the water tank and the spray header, the second circulating water pump is suitable for pumping water in the water tank into the spray header, and the spray header is suitable for spraying water into a surrounding space of the self-adaptive filter and on the self-adaptive filter;
the inner side wall of the tower body is fixedly connected with a guide sealing sleeve, the guide sealing sleeve is arranged around the self-adaptive movable plate, the outer side surface of the self-adaptive movable plate is in sliding connection with the inner side surface of the guide sealing sleeve along the vertical direction, and the outer side surface of the self-adaptive movable plate is tightly matched with the inner side surface of the guide sealing sleeve;
the surface of the self-adaptive filter element is provided with densely distributed meshes;
or, the surface of the adaptive filter element is provided with densely distributed grids, and the grids are arranged vertically.
2. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 1, wherein a limiting ring is fixedly connected to the lower end of the guide rod, the limiting ring is located below the self-adaptive movable plate, the self-adaptive movable plate can be abutted to the limiting ring after sliding downwards along the guide rod, and the self-adaptive movable plate pulls down the self-adaptive filter element by means of gravity to enable the self-adaptive filter element to be in a stretched state.
3. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 1, wherein a counterweight ring is sleeved on the guide rod, the counterweight ring is slidably connected with the guide rod along the vertical direction, the counterweight ring is positioned above the self-adaptive movable plate, the lower surface of the counterweight ring is abutted with the upper surface of the self-adaptive movable plate along the vertical direction, and the counterweight ring presses down the self-adaptive movable plate by means of gravity.
4. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 1, wherein the spray header is annular in shape, the spray header is arranged around the upper end of the guide rod, spray holes are distributed on the lower surface of the spray header at equal intervals along the circumferential direction, mist drops sprayed by the spray holes are scattered in a conical manner in the upper space, mist drop coverage spaces sprayed by two opposite spray holes on two sides of the guide rod are overlapped in the upper space, the coverage area of the overlapped area is identical to the area of the surrounding area of the upper end of the adaptive filter, and the coverage boundary of the overlapped area coincides with the boundary of the surrounding area of the upper end of the adaptive filter.
5. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 4, wherein a shielding plate is fixedly connected to the inner wall of the tower body, the shielding plate is horizontally arranged, a spraying opening is formed in the center of the shielding plate, the guide rod is located at the center of the spraying opening, the shielding plate is located above the adaptive filter, the upper end of the adaptive filter is fixedly connected with the edge of the spraying opening, the upper end of the adaptive filter is fixedly connected with the inner wall of the tower body through the shielding plate, and the covering boundary of the overlapping area coincides with the boundary of the surrounding area of the spraying opening.
6. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 1, wherein an annular recycling groove is fixedly connected to the inner wall of the tower body, the annular recycling groove is arranged around the central axis of the guide rod, an opening of the annular recycling groove is upwards, the annular recycling groove is positioned below the self-adaptive movable plate, and the through hole is positioned right above the opening of the annular recycling groove.
7. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 6, wherein a third circulating water pump is fixedly connected to the outer side wall of the tower body, an inlet of the third circulating water pump is communicated with the inner space of the annular recycling tank, and an outlet of the third circulating water pump is connected with an inlet of the water tank.
8. The flue gas desulfurization tower for recycling sulfur dioxide according to claim 1, wherein an infrared distance sensor is fixedly connected to the top in the tower body, the detection direction of the infrared distance sensor is vertical downwards, the infrared distance sensor is located on the inner side of the surrounding area of the self-adaptive filter, the infrared distance sensor is suitable for detecting the vertical distance between the self-adaptive movable plate and the infrared distance sensor, a controller is fixedly connected to the side wall outside the water tank, the second circulating water pump and the infrared distance sensor are respectively connected with the controller, and the controller is suitable for controlling the second circulating water pump to work according to the vertical distance between the self-adaptive movable plate and the infrared distance sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211616889.7A CN115920616B (en) | 2022-12-16 | 2022-12-16 | Flue gas desulfurization tower for recycling sulfur dioxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211616889.7A CN115920616B (en) | 2022-12-16 | 2022-12-16 | Flue gas desulfurization tower for recycling sulfur dioxide |
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| CN115920616A CN115920616A (en) | 2023-04-07 |
| CN115920616B true CN115920616B (en) | 2023-09-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110960939A (en) * | 2019-12-27 | 2020-04-07 | 江苏海拓科技有限公司 | Telescopic respirator |
| CN212417457U (en) * | 2020-04-01 | 2021-01-29 | 中鼎联盛科技有限公司 | A environmental protection mechanical device for exhaust-gas treatment |
| CN113694584A (en) * | 2021-08-19 | 2021-11-26 | 深圳市迪卫尔环保科技有限公司 | Device and method for adjusting local filtering grade of tap water treatment filter screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7513372B2 (en) * | 2000-08-17 | 2009-04-07 | Carew E Bayne | Wave coil filter assembly |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960939A (en) * | 2019-12-27 | 2020-04-07 | 江苏海拓科技有限公司 | Telescopic respirator |
| CN212417457U (en) * | 2020-04-01 | 2021-01-29 | 中鼎联盛科技有限公司 | A environmental protection mechanical device for exhaust-gas treatment |
| CN113694584A (en) * | 2021-08-19 | 2021-11-26 | 深圳市迪卫尔环保科技有限公司 | Device and method for adjusting local filtering grade of tap water treatment filter screen |
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