CN213101539U

CN213101539U - Rotational flow plate type desulfurizing tower

Info

Publication number: CN213101539U
Application number: CN202021533491.3U
Authority: CN
Inventors: 刘思玮; 李欣; 王彬; 范嘉鸣
Original assignee: Changchun Jingyuetan Heating Co ltd
Current assignee: Changchun Jingyuetan Heating Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-04
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a rotational flow plate type desulfurizing tower, which comprises a desulfurizing tower main body, a rotational flow plate, a spraying device, a cylinder, a filter element, a cover and an oil aggregation component; the spraying device is three layers, an air inlet for air inflow is arranged on one side of the top of the desulfurizing tower main body, an air outlet for air outflow is arranged on the other side, the cylinder with an opening on the upper surface is arranged on the lower part of the desulfurizing tower main body and is provided with a protective part for covering the cylinder, the O-shaped ring is arranged on the outer side of the upper end part of the cylinder, the rotational flow plate is arranged in the upper end part of the cylinder, and the rotational flow plate has the function of generating rotational flow in the air; below the whirl plate, a hollow filter element and a hollow cover are installed, the cover being provided on an inner periphery of the filter element, and in the structure of the cover, two cylindrical members are provided to form a double structure. The filter medium is sandwiched between two cylindrical members, the oil-agglutinating member is provided on the inner periphery of the cylindrical members, and the cap and the filter element are integrally provided.

Description

Rotational flow plate type desulfurizing tower

Technical Field

The invention belongs to the technical field of flue gas desulfurization, and particularly relates to a rotational flow plate type desulfurizing tower.

Background

Atmospheric pollution caused by oxysulfide in coal-fired flue gas is harmful to human health, and the generated atmospheric environmental problems such as acid rain, photochemical pollution and the like challenge sustainable development of human society, so that different desulfurization and denitrification devices and processes are adopted in the coal-fired industry to treat the flue gas so as to reduce environmental pollution. At present, the most common desulfurizing tower is applied in industry, and in the desulfurizing process, the reaction time of a desulfurizing agent and SO2 in flue gas is short, the desulfurizing efficiency is influenced, and the flue gas desulfurizing cost is high.

Disclosure of Invention

The utility model mainly aims at providing a board-like desulfurizing tower of whirl aims at solving the lower problem of current desulfurization technique desulfurization efficiency. In order to achieve the purpose, the invention provides a rotational flow plate type desulfurizing tower, which comprises a desulfurizing tower main body, a rotational flow plate, a spraying device, a cylinder, a filter element, a cover and an oil aggregation component, wherein the rotational flow plate is arranged on the main body; the spraying device is three layers, an air inlet for air inflow is arranged on one side of the top of the desulfurizing tower main body, an air outlet for air outflow is arranged on the other side, the cylinder with an opening on the upper surface is arranged on the lower part of the desulfurizing tower main body and is provided with a protective part for covering the cylinder, the O-shaped ring is arranged on the outer side of the upper end part of the cylinder, the rotational flow plate is arranged in the upper end part of the cylinder, and the rotational flow plate has the function of generating rotational flow in the air; below the whirl plate, a hollow filter element and a hollow cover are installed, the cover being provided on an inner periphery of the filter element, and in the structure of the cover, two cylindrical members are provided to form a double structure. The filter medium is sandwiched between two cylindrical members, the oil-agglutinating member is provided on the inner periphery of the cylindrical members, and the cap and the filter element are integrally provided.

Further, a plurality of blades and slits are provided at the outer peripheral end of the swirl plate through which air passes to generate a vortex.

Further, the cylindrical member is formed with a plurality of holes through which the filter medium and the oil agglutinating member communicate with each other.

Further, a baffle plate is disposed below the filter element and the hood, the baffle plate having an upwardly convex umbrella shape with its tip end inclined downward.

Further, a manual discharge mechanism for discharging water droplets, foreign matters, and oil accumulated at the inner lower end of the cylinder is provided at the bottom of the cylinder and the guard.

Further, the spraying device comprises a plurality of spraying pipelines distributed in an elliptical mode, and nozzles are arranged on the spraying pipelines.

The utility model discloses a board-like desulfurizing tower of whirl is the equipment of SO2 in the middle-size and small-size coal fired boiler administers the flue gas of wide application, utilizes to install the whirl board additional in the tower body, and extension flue gas persistence time increases medicament and sulfur dioxide's reaction time, makes the abundant countercurrent contact of gas-liquid, and the desulfurization rate can reach more than 90%, has dust removal effect simultaneously concurrently, and the capital construction is with little investment, and the operation is simpler, has better desulfurization and dust removal function. The independent design of the desulfurizing tower and the selection of all accessory equipment are executed according to the national unified standard, and the emission indexes of the flue gas are lower than the environmental protection monitoring requirement, the maximum utilization of the desulfurizing agent can be realized at the same time through the searching operation and optimization for several years, the production input cost is saved, and the emission of the desulfurizing byproducts is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a rotational flow plate-type desulfurization tower provided by the present invention;

FIG. 2 is an enlarged view of a portion of the cylindrical member at S in FIG. 1;

FIG. 3 is a schematic view of a cylindrical member of a spiral-flow plate-type desulfurization tower according to the present invention;

FIG. 4 is a schematic view of a swirl plate of the swirl plate-type desulfurization tower according to the present invention;

fig. 5 is a schematic view of a spray device of the rotational flow plate-type desulfurization tower provided by the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in FIG. 1, an air inlet 16 for air inflow is provided on one side of a main body 25 at the top of a swirl plate-type desulfurization tower 1, an air outlet 17 for air outflow is provided on the other side, and gas enters in the direction of arrow A and flows out in the direction of arrow E. A cylinder 18 having an open upper surface is installed at a lower portion of the main body 25, and a shielding member 19 is provided to cover the cylinder 18. The cylinder 18 has a function of storing water droplets and the like, and has a sufficient space. An O-ring 26 is installed outside the upper end of the cylinder 18 to prevent leakage from the space between the body 25 and the cylinder 18 to the outside. A swirl plate 11 mounted in the main body 25 is arranged inside the upper end of the cylinder 18. The swirl plate 11 has a function of generating a swirl in the air. A plurality of blades 11a and slits 11B are provided at the outer circumferential end of the whirl plate 11, and the air passing through the whirl plate 11 in the direction of the arrow B generates a vortex. The cyclone plate 11 in the tower body is utilized, the smoke retention time is effectively prolonged, the reaction time of the medicament and sulfur dioxide is increased, the gas and the liquid are fully contacted in a countercurrent mode, the desulfurization rate can reach more than 90%, and meanwhile, the dust removal effect is achieved.

Below the swirl plate 11, a hollow filter element 12 and a hollow cover 13 are mounted. The cover 13 is provided on the inner periphery of the filter element 12. The material of the filter element 12 is polypropylene fibers and has a diameter of about 20 to 70 μm. The thickness of the filter element 12 is about 2 to 3 mm. In the structure of the cover 13, two cylindrical members 21 are provided to form a double structure. The filter medium 22 is sandwiched between the two cylindrical members 21, and the oil agglutinating member 23 is provided on the inner periphery of the cylindrical members 21. The thickness of the filter media 22 is about 0.4mm and the thickness of the filter media 22 is 0.4 mm. The oil-agglomerating member 23 has a thickness of about

The thickness of the cylindrical member 21 is about 1 mm. The diameter of the filter media 22 is about 0.5 to 4 μm. As shown in fig. 1. The cylindrical member 21 is formed with a plurality of holes 21a, and the filter medium 22 and the oil agglutinating member 23 communicate with each other through the holes 21 a. The cylindrical member 21 has a function as a reinforcing material, and the material may be resin. The strength of the cylindrical member 21 is ensured as a whole by integrating the cover 13 and the filter element 12. Therefore, since the resin is cheaper than the stainless steel plate, cost reduction can be achieved.

Further, a baffle 15 is provided below the filter element 12 and the cover 13. The baffle 15 has an upwardly convex umbrella shape, and its tip is inclined downward. A minute gap 15a is formed between the outer peripheral surface of the baffle 15 and the inner peripheral surface of the cylinder 18. The baffle 15 has a function of preventing foreign matter falling downward from the gap 15a from being blown up.

Inside the baffle 15, a bottom-position passage 38 is formed at a bottom position of the hollow portion of the cover 13, and a valve body 46 and a spring support member 44 for accommodating the spring 24 are provided opposite to the bottom-position passage 38. The spring 24 is disposed on the lower surface of the shutter 15. One end of the spring 24 is in contact with the upper surface of the spring support member 44, and the other end of the spring 24 is in contact with the valve body 46. The spring 24 biases the valve body 46 upwardly. The valve body 46 and the spring 24 constitute the opening-closing valve 14. The opening and closing valve 14 is opened and closed by a pressure difference of air in the hollow portion of the cylinder 18 and the cover 13. The spring support member 44 has a channel 45 formed therein.

Further, a manual discharge mechanism 20 for discharging water droplets, foreign matters, and oil accumulated at the inner lower end of the cylinder 18 is provided at the bottom of the cylinder 18 and the guard 19. The manual discharge mechanism 20 includes: a discharge flow path support portion 40 provided on the bottom surface of the protector 19 and having a partial female screw on the inner periphery thereof; and a discharge flow path member 41 having a partial male screw on its outer circumference. Further, a valve seat member 42 and a valve body 43 are arranged in the cylinder 18. The interior of the cylinder 18 communicates with the outside through a flow path in the discharge flow path member 41.

The air inlet 16 communicates with an annular channel 28 on the inlet side of the swirl plate 11 via an air inlet channel 27. Further, the air inlet 16 communicates with a swirl passage 29 as an outlet side of the swirl plate 11 through an intake passage 27. The swirl passage 29 communicates with a central lower passage 30 of the hollow portion of the cover 13 via the filter element 12 and the cover 13, and communicates via an upper passage 31 of the cover 13 located at the upper center and an outlet passage 32 of the air outlet 17.

The three-layer spray device 2 is arranged in the swirl plate type desulfurization tower 1, the spray device 2 in the tower adopts a swirl nozzle made of 316L stainless steel, the swirl nozzle has a good contact area with flue gas, and no dead angle and flue gas contact reaction can be realized by three-layer arrangement. As shown in fig. 1, three levels of showers 2 are provided, from top to bottom, on the top and bottom of the upper channel 31 and on the top of the lower channel 30, respectively.

Preferably, the spraying device 2 comprises a plurality of spraying pipes 211 distributed in an elliptical manner, and the spraying pipes 211 are provided with nozzles 212, so that the contact area of water and flue gas is further increased, the nozzles 212 are arranged in an inclined manner, the flue gas and water in the desulfurization tower can have the longest reaction time and the most efficient reaction result, and most of ash generated by the flue gas can be washed away at the same time. Although not shown, in a conventional arrangement known in the art, the spray device 2 is externally connected to a water storage tank for supplying water to the spray device 2.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A rotational flow plate type desulfurizing tower is characterized by comprising a desulfurizing tower main body, a rotational flow plate, a spraying device, a cylinder, a filter element, a cover and an oil aggregation component; the spraying device is three layers, an air inlet for air inflow is arranged on one side of the top of the desulfurizing tower main body, an air outlet for air outflow is arranged on the other side, the cylinder with an opening on the upper surface is arranged on the lower part of the desulfurizing tower main body and is provided with a protective part for covering the cylinder, the O-shaped ring is arranged on the outer side of the upper end part of the cylinder, the rotational flow plate is arranged in the upper end part of the cylinder, and the rotational flow plate has the function of generating rotational flow in the air; below the whirl plate, a hollow filter element and a hollow cap are installed, the cap being provided on an inner periphery of the filter element, in the structure of the cap, two cylindrical members are provided to form a double structure, a filter medium is sandwiched between the two cylindrical members, an oil aggregation member is provided on an inner periphery of the cylindrical members, and the cap and the filter element are integrally provided.

2. The spiral-flow plate desulfurization tower of claim 1, wherein a plurality of vanes and slits are provided at the outer circumferential end of the spiral-flow plate, and the air passing through the spiral-flow plate generates a vortex.

3. The swirl plate desulfurization tower of claim 1, wherein the cylindrical member is formed with a plurality of holes, and the filter medium and the oil coalescing member communicate with each other through the holes.

4. The spiral-flow tray desulfurization tower of claim 1, wherein a baffle is disposed below the filter element and the hood, the baffle having an upwardly convex umbrella shape and a tip end thereof inclined downward.

5. The swirl plate desulfurization tower according to claim 1, wherein a manual discharge mechanism for discharging water droplets, foreign matters, and oil accumulated at the inner lower end of the cylinder is provided at the bottom of the cylinder and the guard.

6. The spiral-flow plate desulfurization tower of claim 1, wherein the spray device comprises a plurality of spray pipes distributed in an elliptical manner, and nozzles are arranged on the spray pipes.