Efficient anti-scaling confluence device

Abstract

The utility model discloses an efficient anti-scaling confluence device which comprises an outer cylinder, an inner cylinder is arranged on the inner surface of the outer cylinder, the outer cylinder is fixedly connected with the inner cylinder through a plurality of reinforcing ribs, the outer cylinder and the inner cylinder are hollow pipelines, the inner wall of the inner cylinder and the outer wall of the outer cylinder are fixedly connected with a plurality of twisted blades together, the twisted blades are in spiral twisted shapes, and the twisted blades are arranged on the outer surface of the outer cylinder. And the plurality of twisted blades are distributed in an annular array. The pore plate and the twisted blades are arranged in the device, when flue gas flows from bottom to top, one part of the flue gas passes through the pore plate of the inner cylinder, the other part of the flue gas forms rotational flow through the twisted blades between the inner cylinder and the outer cylinder, under the action of the flow channel design, the contact duration and the mixing degree of the flue gas and a desulfurizing agent are greatly improved, and the mass transfer effect is optimized; furthermore, the desulfurization efficiency is efficiently improved on the premise of not adding power and material input of the desulfurization system.

Description

TECHNICAL FIELD

[0001] The utility model belongs to what technical field, specifically, it is a kind of high -efficient anti -scale confluence device. BACKGROUND

[0002] In coal-fired power plant desulfurization system, wet desulfurization accounts for more than 90%, and the form of circulating spray of absorbent solution in tower is often used to absorb sulfur dioxide in flue gas through gas-liquid reaction, and the existing system can only meet the index of 35mg / Nm 3 of outlet sulfur dioxide. With the increasingly stringent environmental standards, the environmental protection of flue gas emission proposes "special emission limit value during heavy pollution weather response", and the sulfur dioxide emission limit value during heavy pollution weather response is 15mg / Nm 3 , and the existing desulfurization system must be reformed.

[0003] At the same time, the patent specification with the application number CN222042813U discloses a device for preventing pipeline scaling, which comprises a water pipeline, a magnetization treatment assembly, a static mixer and an exhaust valve, wherein the water pipeline has a magnetization treatment section, a water inlet end and a water outlet end, the magnetization treatment section is used for magnetizing the water flowing therethrough, and the water inlet end and the water outlet end are used for connecting the water pipeline to the water delivery system. The magnetization treatment assembly comprises a plurality of magnets, and the plurality of magnets are uniformly distributed along the extension direction of the water pipeline and the magnetic pole directions of any two adjacent magnets are opposite. The plurality of magnets form a plurality of magnetic fields with opposite directions, and the water flow passes through the plurality of magnetic fields with different directions perpendicular to the magnetic fields, which can improve the electrical conductivity, reduce the surface tension and reduce the film formation. The boiling point of the magnetized water is reduced, the evaporation rate is accelerated, and the overflow of CO2 dissolved in water can be accelerated;

[0004] The existing desulfurization confluence device generally adopts a simple flow guide structure during use, and cannot fully mix flue gas and desulfurizing agent, which makes the contact time of the two too short and the mass transfer effect poor. In order to achieve the specified desulfurization efficiency, the power input must be continuously increased, the circulating pump power must be increased or the number of spray layers must be increased, which leads to continuous increase of energy consumption and material consumption, and the operation cost is unbearable. Secondly, such device often lacks effective temperature control design, and in the high temperature environment of desulfurization tower, heat continuously accumulates, which not only easily causes the device shell to be deformed due to high temperature, affects the overall structural stability, but also causes the desulfurizing agent to change in nature due to overheating, reduces the desulfurization effect. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the background art, the utility model provides a kind of high -efficient anti -fouling confluence device, with the contact time and mixing degree of flue gas and desulfurizer are greatly improved, mass transfer effect is optimized, and then under the premise of not adding desulfurization system power and material input, the advantages of high -efficiently improving desulfurization efficiency and reducing the influence of desulfurization effect caused by the change of desulfurizer property due to high temperature.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high -efficient anti -fouling confluence device, including outer tube, the inner surface of the outer tube is equipped with inner tube, the outer tube is fixedly connected with inner tube by multiple reinforcing ribs, the outer tube and inner tube are all hollow pipeline, the inner wall of the inner tube and the outer wall of the outer tube are fixedly connected with multiple twist blades, multiple the twist blades are annular array distribution.

[0007] Preferably, the twist blade is helical twist shape.

[0008] Preferably, the inner tube and outer tube are made of corrosion -resistant duplex stainless steel, and the inner and outer surfaces of the inner tube and outer tube are coated with high-temperature resistant coating.

[0009] Preferably, the inner surface of the inner tube is fixedly connected with a guide plate, and the guide plate is provided with multiple guide holes at one end.

[0010] Preferably, the upper and lower ends of the guide hole are arc-shaped.

[0011] Preferably, the outer side of the outer tube is sleeved with a protective sleeve, the protective sleeve and the outer tube are filled with heat insulation cotton, and the top end of the outer tube is provided with an extension ring, and the bottom end of the extension ring is matched with the protective sleeve.

[0012] Preferably, the outer tube can be provided with multiple heat dissipation fins, and the multiple heat dissipation fins are all through the protective sleeve and fixedly connected with the outer surface of the outer tube.

[0013] Preferably, the heat dissipation fin is provided with multiple through holes at one end, and the multiple heat dissipation holes are equally spaced.

[0014] The utility model discloses a kind of high -efficient anti -fouling confluence device, and flue gas flows from bottom to top, part of it is through inner tube orifice plate, another part is formed by twist blade between inner and outer tube The cyclone, under the effect of this flow channel design, the contact time and mixing degree of flue gas and desulfurizer are greatly improved, mass transfer effect is optimized, and then under the premise of not adding desulfurization system power and material input, the advantages of high -efficiently improving desulfurization efficiency.

[0015] The utility model discloses a set of heat dissipation and heat insulation synergies, and the heat dissipation fins can timely dissipate the heat generated in the operation of the device, guarantee the stable operation of the internal key components of the device and reduce the influence of the change of the desulfurizing agent caused by high temperature on the desulfurization effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] The description and drawings of the utility model constitute a part of the utility model, and are used to provide further understanding on the utility model, and the illustrative embodiment of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0017] Figure 1 It is the whole structure schematic diagram of the high -efficient anti -incrustation current collecting device of the utility model;

[0018] Figure 2 It is the whole structure bottom view of the high -efficient anti -incrustation current collecting device of the utility model;

[0019] Figure 3 It is the guide vane structure schematic diagram of the high -efficient anti -incrustation current collecting device of the utility model;

[0020] Figure 4 It is the twist curved blade structure schematic diagram of the high -efficient anti -incrustation current collecting device of the utility model.

[0021] Among them, the above-mentioned drawing includes following sign:

[0022] 1, outer tube;2, guide plate;3, twist blade;4, extension ring;5, inner tube;6, heat dissipation fin;7, heat dissipation hole;8, protective sleeve;9, guide hole. DETAILED DESCRIPTION

[0023] It should be explained that the embodiment in the utility model and the feature in the embodiment can be combined mutually without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiment.

[0024] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor should belong to the protection scope of the utility model.

[0025] It should be noted that the terms "first", "second", and the like in the description and in the claims of the utility model and the above drawings are used to distinguish similar objects and do not have to be used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances to implement the embodiments of the utility model described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or equipment including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or equipment.

[0026] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, they indicate the presence of a feature, step, operation, device, component and / or combination thereof.

[0027] As shown in Figures 1 to 4 The utility model provides a kind of high-efficiency anti-fouling converging device, including outer tube 1, the inner surface of outer tube 1 is equipped with inner tube 5, outer tube 1 is fixedly connected with inner tube 5 by multiple reinforcing ribs, outer tube 1 and inner tube 5 are both hollow pipeline, the double-layer hollow pipeline structure of outer tube 1 and inner tube 5 strengthens the stability of device whole, and annular array distribution twist blade 3 can disturb the flue gas flowing in the inside of device, make its flow state more complex, reduce the probability that dirt adheres in pipeline inner wall, improve anti-fouling performance, the inner wall of inner tube 5 and the outer wall of outer tube 1 are fixedly connected with multiple twist blades 3, and multiple twist blades 3 are annular array distribution.

[0028] As a more preferred embodiment, optionally, twist blade 3 is helical twist, and the design of helical twist further optimizes the flow trajectory of flue gas, compared with ordinary shape blade, can produce more intense cyclone effect, increase the mixing and contact time of flue gas and desulfurizer, improve mass transfer effect.

[0029] As shown in Figures 1 to 4 More preferably, inner tube 5 and outer tube 1 are made of corrosion-resistant duplex stainless steel, and the inner and outer surfaces of inner tube 5 and outer tube 1 are coated with a high-temperature-resistant coating, which can resist the corrosion of various corrosive media and greatly prolong the service life of the device. The high-temperature-resistant coating ensures that the device can operate stably under high-temperature conditions and avoids performance degradation of the material due to high temperature.

[0030] As shown in Figure 3As a more preferred embodiment, the inner surface of the inner cylinder 5 is fixedly connected with the flow guide plate 2, and a plurality of flow guide holes 9 are formed in one end of the flow guide plate 2, which can preliminarily distribute and guide the flue gas flowing into the inner cylinder 5, so that the flue gas enters the subsequent pipeline area in a more uniform state, avoids the difference in fouling caused by too fast or too slow local flow rate, and improves the uniformity of the flue gas.

[0031] More preferably, as shown in Figure 3 As shown, the upper and lower ends of the flow guide hole 9 are arc-shaped, which can reduce the resistance when the flue gas passes through, and make the flue gas flow more smoothly.

[0032] In the technical scheme of the embodiment, more preferably, the outer side of the outer cylinder 1 is sleeved with a protective sleeve 8, the protective sleeve 8 and the outer cylinder 1 are filled with heat insulation cotton, the top end of the outer cylinder 1 is provided with an extension ring 4, the bottom end of the extension ring 4 is attached to the protective sleeve 8, which effectively blocks the external heat from entering the inside of the device, and the extension ring 4 can effectively protect the heat insulation cotton inside the protective sleeve 8 from being sprayed.

[0033] As shown in Figure 1 In the technical scheme of the embodiment, a plurality of heat dissipation fins 6 can be arranged on the outside of the outer cylinder 1, the plurality of heat dissipation fins 6 penetrate the protective sleeve 8 and are fixedly connected with the outer surface of the outer cylinder 1, the heat dissipation fins 6 can quickly dissipate the heat of the outer cylinder 1, cooperate with the heat insulation cotton, further optimize the heat dissipation performance of the device, maintain a suitable temperature difference between the inside and outside, inhibit the fouling phenomenon caused by temperature factors, and ensure long-term and efficient operation of the device.

[0034] In the technical scheme of the embodiment, more preferably, a plurality of through-type heat dissipation holes 7 are formed in one end of the heat dissipation fin 6, and the plurality of heat dissipation holes 7 are distributed at equal intervals, which increases the contact area between the heat dissipation fin 6 and the air, and the air can flow more smoothly through the heat dissipation fin 6, accelerates heat exchange, strengthens the heat dissipation effect, and avoids damage to the device due to high temperature.

[0035] From the above, the technical scheme of the utility model can make the flue gas evenly dispersed by the diversion plate 2 of the inner cylinder 5, avoid the uneven flow rate in local area, change the flow direction of the flue gas by the twisted blade 3 in the inner cylinder 1, produce complex and changeable spiral flow, increase the mixing and contact time of the flue gas and desulfurizing agent, improve the mass transfer effect, realize the same desulfurizing agent and flue gas volume to improve the desulfurizing efficiency, rely on the circulating pump and the spraying layer to save energy and reduce consumption and improve the dust removal effect of the demister, meanwhile, the protective sleeve 8 sleeved on the outer cylinder 1 and the heat insulation cotton are matched to block the internal heat conduction, prevent the scale from accelerating due to the high temperature, and the heat dissipation fin 6 and the heat dissipation hole 7 on the outer cylinder 1 timely dissipate the excess heat generated during the operation of the device, and maintain the suitable temperature environment inside and outside.

[0036] Unless specifically stated otherwise, the relative arrangements of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure. At the same time, it should be understood that the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship for the convenience of description. The technology, methods and equipment known to those skilled in the related art can not be discussed in detail, but under appropriate circumstances, the technology, methods and equipment should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so further discussion is not needed in subsequent drawings once an item is defined in one drawing.

[0037] For the convenience of description, spatial relative terms such as "above", "upper", "upper surface", "upper" and the like can be used herein to describe the spatial positional relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "above" other devices or structures will be positioned "below" or "below" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used herein is interpreted accordingly.

[0038] In the description of the utility model, need understanding is, the orientation word such as " before, after, top, bottom, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and so on indicated orientation or positional relationship usually is based on the orientation or positional relationship shown in drawing, just is for the convenience of describing the utility model and simplifying description, under the condition of not making opposite statement, these orientation words do not indicate and suggest the device or element indicated must have a particular orientation or with a particular orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation word " inside, outside " refers to the inside and outside relative to the outline of each component.

[0039] The above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-efficiency anti-fouling current collecting device comprising an outer cylinder (1), characterized in that: The inner surface of the outer cylinder (1) is provided with an inner cylinder (5), the outer cylinder (1) is fixedly connected with the inner cylinder (5) through a plurality of reinforcing ribs, the outer cylinder (1) and the inner cylinder (5) are both hollow pipes, and the inner wall of the inner cylinder (5) is fixedly connected with the outer wall of the outer cylinder (1) and a plurality of twisted blades (3).

2. The high efficiency anti-fouling current collection device of claim 1, wherein: The twisted blade (3) is helically twisted.

3. The high efficiency anti-fouling flow junction device of claim 1, wherein: The inner cylinder (5) and the outer cylinder (1) are both made of corrosion-resistant duplex stainless steel, and the inner and outer surfaces of the inner cylinder (5) and the outer cylinder (1) are coated with a high-temperature-resistant coating.

4. The high efficiency anti-fouling flow junction device of claim 1, wherein: The inner surface of the inner cylinder (5) is fixedly connected with a guide plate (2), and a plurality of guide holes (9) are formed in one end of the guide plate (2).

5. The high efficiency anti-fouling flow junction device of claim 4, wherein: The upper and lower ends of the guide hole (9) are both arc-shaped.

6. The high efficiency anti-fouling flow junction device of claim 1, wherein: The outer side of the outer cylinder (1) is sleeved with a protective sleeve (8), heat insulation cotton is filled between the protective sleeve (8) and the outer cylinder (1), the top end of the outer cylinder (1) is provided with an extension ring (4), and the bottom end of the extension ring (4) is attached to the protective sleeve (8).

7. The high efficiency anti-fouling flow junction device of claim 1, wherein: A plurality of heat dissipation fins (6) can be arranged on the outer side of the outer cylinder (1), and the heat dissipation fins (6) are all penetrated through the protective sleeve (8) and fixedly connected with the outer surface of the outer cylinder (1).

8. The high efficiency anti-fouling flow junction device of claim 7, wherein: A plurality of penetrating heat dissipation holes (7) are formed in one end of the heat dissipation fin (6), and the heat dissipation holes (7) are equally spaced.

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