CN205549846U

CN205549846U - Double -deck defroster subassembly

Info

Publication number: CN205549846U
Application number: CN201521064163.2U
Authority: CN
Inventors: 罗静; 祁丽昉; 徐长香; 许祥俊; 昝红专
Original assignee: Nanjing New Century South Of River Environmental Protection Development In Science And Technology Co Ltd
Current assignee: Nanjing New Century South Of River Environmental Protection Development In Science And Technology Co Ltd
Priority date: 2015-12-17
Filing date: 2015-12-17
Publication date: 2016-09-07
Anticipated expiration: 2025-12-17

Abstract

The utility model provides a double -deck defroster subassembly, include the defroster module house rigde mounting structure and on house rigde mounting structure the two -layer defogging module of installation, every layer of defogging module includes the flat board that defroster blade retention that the multi -disc parallel was arranged constitutes, the defogging module covers and installs on house rigde mounting structure, still be equipped with washing unit above the defroster blade, washing unit include flushing water pipe, with the nozzle of flushing water pipe intercommunication, the house rigde mounting structure of defroster module, including a plurality of piles of triangle -shaped low -lying flatland framves that support at parallel rectangle, the lower part width of triangle -shaped low -lying flatland frame is the same with rectangle supporting width, connects through the connection crossbeam of a plurality of parallels between the adjacent triangle -shaped low -lying flatland frame, connects the crossbeam and is equipped with five, promptly four bights and the redundant apex angle position that puts up of triangle -shaped that support of rectangle, the triangle -shaped low -lying flatland has erect double -deck hypotenuse, and one deck defogging module is all installed to every layer of hypotenuse. Double -deck defroster subassembly guarantees wholeness and intensity under the air current to convenience when guaranteeing the installation.

Description

A kind of double-deck demister assembly

Technical field

The utility model relates to a kind of gas-liquid separation equipment, especially a kind of demister modules.

Background technology

Demister is widely used in the drop that gas in knockout tower is carried secretly, can effectively remove the droplet in gas.Owing to demister is while separating gas-liquid, the impurity in its drop can adsorb on demister blade, it is therefore desirable to increases flusher, is washed out by absorption impurity on demister blade.Existing demister uses the mode sprayed water from demister upper end or lower end to be rinsed demister blade, but owing to demister blade is irregular arc, uses this backwashing manner to be difficult to directly be flushed to the inside of demister blade, and developing result is undesirable.

The Chinese utility model patent of Patent No. 200920234912.X discloses the demister of a kind of anti-clogging, including the demister body being made up of demister blade, demister framework and the flusher being arranged on demister blade two ends, described demister leaf packet is containing introduction segment, front baffling section, rear baffling section and derives section, and the spray outlet direction of the flusher being arranged on demister blade introduction segment front end is consistent with the direction of introduction segment.Although this utility model enhances developing result, but due to the curved shape of demister blade, current still can not be made directly to spray the whole demister blade of covering, there is bigger dead angle and be difficult to be rinsed.

The Chinese utility model patent of Patent No. 201110312851.6 discloses a kind of Intelligent anti-blocking demister for wet process of FGD, including demister body, demister is the most internal is provided with at least one-level demister system, demister system is connected with PLC control system, it is characterised in that described every one-level demister system includes that the first flushing layer set gradually from bottom to top, swing type deflection plate are except mist layer, the second flushing layer, silk screen are except mist layer, the 3rd flushing layer.Described first rinses layer includes the nozzle that array is arranged on flushing water pipeline, and the injection direction of nozzle is corresponding except mist layer with swing type deflection plate；Described swing type deflection plate includes moving vane group, blade center axle, blade link gear except mist layer, drives motor；Described blade center axle is flexibly connected with moving vane group, and described moving vane group is connected with driving motor by blade link gear.The injection direction of the nozzle of this utility model can be corresponding with the angle of swing type deflection plate, but swing type deflection plate needs driving motor and is driven, structure is complicated and in swing type deflection plate swing process, the flow direction of air-flow changes, easily being formed and filter breach, the effect of filtration is undesirable.

Utility model content

The purpose of this utility model is, overcomes the deficiencies in the prior art, it is provided that a kind of raising removes fog effect, the double-deck demister assembly of portable construction.

In order to realize this purpose, the utility model adopts the following technical scheme that a kind of double-deck demister assembly, including the ridge type mounting structure of demister modules with install two-layer on ridge type mounting structure except mist module, except mist module, every layer includes that the demister blade of multi-disc parallel arrangement fixes the flat board of composition, be arranged on ridge type mounting structure except mist module covers；Being also arranged above flusher at demister blade, described flusher includes flushing water pipeline and the nozzle of flushing water pipeline communication；The ridge type mounting structure of demister modules, it is stacked in the triangles that Parallel Rectangular supports spreads out frame including some, the spread out lower width of frame of triangle is identical with rectangular support width, adjacent triangle spreads out between frame by some horizontal connections of parallel connection, connect and be horizontally set with five, i.e. four corners of rectangular support and triangle spreads out the angle position of frame；Triangle erection of spreading out has a double-deck hypotenuse, and every layer of hypotenuse is respectively mounted one layer except mist module.

Rectangular notch is all offered in the spread out connection transverse part position of angle position of frame of four corners of rectangular support and triangle, connects horizontal stroke for fixing.

Beneficial effect, technical solutions of the utility model have the following characteristics that the double-deck demister assembly that the ridge type mounting structure of module is constituted ensures globality under a gas flow and intensity, and ensure convenience when installing.And the material of mounting structure is saved.Its cross section of ridge type mounting structure is triangle, and described demister blade module is arranged on ridge type mounting structure both sides；Can improve except fog effect, structure is simple and clear, make the globality of demister modules more preferable for fixing baffle plate.All ensure that the normal work of work demister under various air-flows, improve except fog effect, the double-deck demister assembly of portable construction.

Accompanying drawing explanation

Fig. 1 is that the utility model embodiment bilayer triangle spreads out the structural representation of frame.

Fig. 2 is that one layer of triangle of the utility model embodiment frame that spreads out is mounted with one layer of structural representation except mist module.

Detailed description of the invention

As shown in the figure, principle by accompanying drawing and the utility model device can further illustrate the structure of the utility model device: when the wet flue gas carrying slurry droplet flows through demister section, owing to flow of flue gas direction constantly occurs deviation in demister runner, the drop carried in wet flue gas impinges upon demister surface under the effect of inertia force and forms thin liquid film on blade wall, falls at blade lower end formation drop thus reaches the purpose except mist.The dirt sticking to demister surface comes off through the flushing of flusher, makes demister keep efficient performance.It is mounted with that two layers of structure removing mist module are more preferable.

The ridge type mounting structure of demister modules, it is provided with some triangles being stacked in rectangular support 4 to spread out frame 2, the spread out lower width of frame of triangle is identical with rectangle width, the triangle of adjacent rectangular support spreads out between frame by connecting horizontal connection, connect and be horizontally set with five, i.e. four corners of rectangular support and triangle spreads out the angle position of frame.It is provided with cross bar 5 inside rectangular support, fixes and support rectangular support.The globality of rectangular support is more preferable, will not deform.Fume desulfurating absorption tower can be directly used in and be particularly suited for demister in ammonia process desulfuration tower, to the SO produced in desulfidation tail gas₂, the aerosol that produces of desulfurizing agent, the gas such as water and fine droplet have preferable removal effect, outlet droplet content to require to be not more than 75mg/Nm³(butt), the desulfurizer mist eliminator that when flue gas passes through simultaneously, pressure drop is less.

Rectangular notch 1,3,6 is all offered in the spread out connection transverse part position of angle position of frame of four corners of rectangular support and triangle, connects horizontal stroke for fixing.Triangle spreads out the angle position of frame, connects and can be provided with bayonet socket on horizontal, can fix at notch position.Often except mist module, group includes that the demister blade of multi-disc parallel arrangement fixes the flat board 7 of composition, is also arranged above flusher 8 at demister blade.

The top of the every blade that vane plate is arranged by even level is fixed by location-plate with bottom, is except the passage of fog stream between blade and blade, and the shape of leaf cross-section is S, V or W type.Fix blade (upper and lower is the most fixing), the most again composition flat board welded together with blade by location-plate, it is ensured that location-plate does not comes off, also increase the bearing capacity of demister simultaneously.

When the wet flue gas carrying slurry droplet flows through demister section, owing to flow of flue gas direction constantly occurs deviation in demister runner, the drop carried in wet flue gas impinges upon demister surface under the effect of inertia force and forms thin liquid film on blade wall, falls at blade lower end formation drop thus reaches the purpose except mist.The dirt sticking to demister surface comes off through the flushing of flusher, makes demister keep efficient performance.

Embodiment of the present utility model is not to limit the utility model.Limited modifications and variations are apparent from for the ordinary skill in the art, not departing from the utility model scope required for protection.

Claims

1. a double-deck demister assembly, it is characterized in that including the ridge type mounting structure of demister modules and two-layer being installed on ridge type mounting structure except mist module, except mist module, every layer includes that the demister blade of multi-disc parallel arrangement fixes the flat board of composition, be arranged on ridge type mounting structure except mist module covers；Being also arranged above flusher at demister blade, described flusher includes flushing water pipeline and the nozzle of flushing water pipeline communication；The ridge type mounting structure of demister modules, it is stacked in the triangles that Parallel Rectangular supports spreads out frame including some, the spread out lower width of frame of triangle is identical with rectangular support width, adjacent triangle spreads out between frame by some horizontal connections of parallel connection, connect and be horizontally set with five, i.e. four corners of rectangular support and triangle spreads out the angle position of frame；Triangle erection of spreading out has a double-deck hypotenuse, and every layer of hypotenuse is respectively mounted one layer except mist module.

Double-deck demister assembly the most according to claim 1, is characterized in that rectangular notch is all offered in the spread out connection transverse part position of angle position of frame of four corners of rectangular support and triangle, connects horizontal stroke for fixing.