CN210044948U - Desulfurization and denitrification tower defogging device - Google Patents
Desulfurization and denitrification tower defogging device Download PDFInfo
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- CN210044948U CN210044948U CN201920430135.XU CN201920430135U CN210044948U CN 210044948 U CN210044948 U CN 210044948U CN 201920430135 U CN201920430135 U CN 201920430135U CN 210044948 U CN210044948 U CN 210044948U
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Abstract
The utility model provides a SOx/NOx control tower defogging device, installs in SOx/NOx control tower through strutting arrangement, contains two-layer baffling plate layer (2, 4), two-stage washing unit (1, 5) and multiaspect ball layer (3), multiaspect ball layer (3) are located the intermediate position, and first baffling plate layer (2) are hugged closely to its upside, and second baffling plate layer (4) are hugged closely to the downside, first baffling plate layer (2) and second baffling plate layer (4) comprise a plurality of baffling board, and the opening is located vertical direction, and the flue gas of being convenient for gets into, and one-level washing unit (1) are installed to first baffling plate layer (2) top, and second baffling plate layer (4) below is installed second grade washing unit (5). Through this SOx/NOx control tower defogging device, behind the entrapment of the droplet in the flue gas through two-layer baffling board and multiaspect clean shot, droplet detach efficiency can reach 99%, and device simple structure, defroster section flow area high-usage, be convenient for install, overhaul, maintain and change.
Description
Technical Field
The utility model relates to a flue gas purification equipment specifically is a SOx/NOx control tower defogging device.
Background
In order to fundamentally treat the increasingly severe haze weather, the state and various industries in various regions put forward more strict emission requirements than the national standard. With implementation of the emission standard of atmospheric pollutants of thermal power plants (GB13223-2011) and the issuance of the plan of actions of energy conservation, emission reduction, upgrade and modification of coal and electricity (2014-2020), the requirement on dust emission is gradually increased, and innovative advanced technologies are urgently needed to effectively reduce the concentration of dust emission.
At present, wet desulphurization is mostly adopted for desulphurization of coal-fired boilers all over the country, and during the operation of an absorption tower, fog with the particle size of 10-60 microns is easily generated, which not only contains moisture, but also dissolves sulfuric acid, sulfate, sulfur dioxide and the like, so that the purified gas needs to be demisted before leaving the absorption tower.
Dust removal defogging device is generally installed in the SOx/NOx control tower, and traditional defroster generally includes the defroster skeleton and installs the defroster folded plate on the defroster skeleton, forms the defroster passageway between the adjacent defroster folded plate, when the gas that contains the mist flows through the defroster with certain speed, can catch through the effect of defroster folded plate and collect into rivers and fall down. The demisting effect of the method is limited by the demister structure, the water load of the system, the air flow direction, the arrangement mode of the demisters and other factors, the demisting efficiency is only 70-80%, and the demisting cannot be thoroughly removed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a SOx/NOx control tower defogging device uses two-layer baffle plate layer from top to bottom to be equipped with the multiaspect ball layer in the centre, effectually increased the chance of being caught when the droplet passes, improve the defogging effect, defogging efficiency reaches 99%, and simple structure, defogging device section flow area high-usage, be convenient for install, overhaul, maintain and change.
The purpose of the utility model is realized through the following technical scheme.
The utility model provides a SOx/NOx control tower defogging device installs in the SOx/NOx control tower through strutting arrangement, contains two-layer baffling plate layer, two-stage washing unit and multiaspect ball layer, multiaspect ball layer is located the intermediate position, and first baffling plate layer is hugged closely to its upside, and second baffling plate layer is hugged closely to the downside, first baffling plate layer and second baffling plate layer comprise a plurality of baffling board, and the opening is located vertical direction, and the flue gas of being convenient for gets into, and one-level washing unit is installed to first baffling plate layer top, and second baffling plate layer below installs the second grade washing unit.
Above desulfurization denitration tower defogging device, multiaspect ball layer contains a plurality of multiaspect clean shot.
Furthermore, each hemisphere of the multi-surface hollow sphere is provided with 8-12 semi-sector blades, and the sector blades of the two hemispheres are staggered.
Preferably, each hemisphere of the polyhedral hollow sphere is provided with 12 semi-fan-shaped blades.
Above desulfurization denitration tower defogging device, the baffling board in first baffling board layer and the second baffling board layer is bow-shaped folded plate pattern, possess 1 ~ 3 blade passageways, and the blade interval is between 25 ~ 40mm, and the baffling board height is greater than 200 mm.
Preferably, the baffle plate of the flap pattern is provided with 3 blade channels, the blade interval is 32mm, and the height is 250 mm.
Above desulfurization and denitrification tower defogging device, all contain a plurality of nozzle in one-level washing unit and the second grade washing unit for wash first baffling plate layer and second baffling plate layer downwards or upwards.
Preferably, the nozzle is a silicon carbide spiral nozzle.
The defogging device for the desulfurization and denitrification tower further comprises a control system, wherein the control system is used for controlling the opening of the nozzle in the flushing device and can be remotely controlled or arranged on the desulfurization and denitrification tower.
To sum up, the beneficial effects of the utility model are that: the defogging device for the desulfurization and denitrification tower uses the upper baffle plate layer and the lower baffle plate layer, and the multi-surface ball layer is arranged in the middle, so that the chance of capturing fog drops when the fog drops pass through is effectively increased, and the undelivered fog drops can be captured on the multi-surface ball layer or the next baffle plate layer, thereby greatly improving the defogging effect, and the defogging efficiency reaches 99%; the polyhedral hollow sphere has light weight, high strength, large free space, high temperature resistance, corrosion resistance, good surface hydrophilicity, small wind resistance and large specific surface area, and can fully absorb fog drops carried in smoke; the washing devices above and below the baffle plate layer can regularly wash off slurry, solid sediments and the like on the demister to keep the demister clean and tidy.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
the components represented by the reference numerals in the figures are:
1. one-level washing unit, 2, first baffle layer, 3, multiaspect ball layer, 4, second baffle layer, 5, second level washing unit.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Other terms used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between," "adjacent," etc.). In addition, references to orientations such as "vertical," "horizontal," "upper," "lower," "front," "rear," and the like, merely indicate relative or reference relationships and are not to be construed as absolute directions in actual use space.
Example 1
Referring to fig. 1, fig. 1 is a SOx/NOx control tower defogging device of this embodiment, installs in SOx/NOx control tower through strutting arrangement, contains two-layer baffling plate layer, two-stage washing unit and multiaspect ball layer 3, and the flue gas that has the liquid drop gets into defroster passageway, because the deflection of broken line on the baffling plate, realizes gas-liquid separation under the effect of inertial force, and partial liquid drop striking is got off by the entrapment on the baffling plate blade, just can fully solve the gas-liquid second entrapment through the effect of multiaspect ball layer 3 again.
In this embodiment, multiaspect sphere layer 3 is located the intermediate position, and first baffle layer 2 is hugged closely to its upside, and second baffle layer 4 is hugged closely to the downside, and this layer contains a plurality of multiaspect clean shot, makes spherically by polypropylene (PP) plastics, by a spherical of two hemisphere synthesis, is equipped with 12 half fan-shaped blades on every hemisphere, and the fan-shaped blade of two hemispheres staggers each other, and there is a reinforcing ring at the middle part of multiaspect clean shot along whole girth, and blade evenly distributed is on it, and upper and lower ball lamella are crisscross each other, is the radiation shape along the center pin and arranges. The filler is characterized by large specific surface area and high void ratio.
Furthermore, the diameter of the polyhedral hollow sphere is 76mm, and the specific surface area is 150 square meters per meter
3Porosity of 0.92m
3/m
3。
In this embodiment, the first baffle layer 2 and the second baffle layer 4 are composed of a plurality of baffles, the baffles are in an arch-shaped baffle pattern and have 3 blade channels, the blade pitch is 32mm, and the pressure drop is as follows: less than or equal to 100Pa and the height of 250 mm. After installation, the opening of the baffle layer is positioned in the vertical direction, so that the flue gas can enter from the lower part conveniently.
In this embodiment, one-level washing unit 1 is installed to first baffling board layer 2 top, and second baffling board layer 4 below is installed second grade washing unit 5, fixes in the SOx/NOx control tower through the support, all contain a plurality of nozzle in one-level washing unit 1 and the second grade washing unit 5 for wash first baffling board layer 2 and second baffling board layer 4 downwards or upwards, regularly wash away thick liquid, the solid deposit on the defroster, keep the defroster clean and tidy.
Preferably, the nozzle is a silicon carbide spiral nozzle, liquid is continuously tangent by a spiral line and changes direction after collision along with a continuously-reduced spiral body to form a sheet-shaped spray to form a concentric shaft-shaped cone, and the liquid is not blocked in a channel from the inlet of the nozzle cavity to the outlet, so that the nozzle has high absorption efficiency.
Further, the silicon carbide spiral nozzle is controlled to be opened by a remote control device or a control switch arranged on the desulfurization and denitrification tower.
Specifically, when the mist droplets entrained in the flue gas flow through the demister at a certain speed, the mist droplets collide with the arcuate baffle plate on the first baffle plate layer 2 and are attached to the surface of the baffle plate due to the inertial impact of the gas. The fog drops form larger drops by diffusion on the surface of the baffle plate and gravity settling of the fog drops and move forwards to the turning position of the baffle plate along with the airflow, the drops are larger and larger due to the turning centrifugal force and the friction action and the adsorption action of the turning centrifugal force and the baffle plate and the surface tension of the liquid, and the drops are separated from the surface of the baffle plate until the accumulated drops are larger and the gravity generated by the accumulated drops exceeds the resultant force of the rising force of the gas and the surface tension of the liquid. The many folds of baffling board on the baffle layer have increased the chance that the droplet was caught to the structure, and the droplet that is not got rid of enters into multiaspect ball layer 3, and under the multi-leaf of multiaspect clean ball blockked, further entrapment droplet, through these two-layer effect, the droplet has mostly been caught, for guaranteeing the maximize of droplet removal efficiency, last processing is done with remaining a small amount of droplets to second baffle layer 4 on the multiaspect ball layer 3, makes defogging efficiency reach more than 99%. After using this device for a long time, baffle layer and multiaspect ball layer 3 can remain some thick liquids, solid deposit etc. this moment, and these filths are washed regularly to the one-level washing unit 1 of available first baffle layer 2 top and the second grade washing unit 5 of second baffle layer 4 below, keep the defroster clean and tidy.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a SOx/NOx control tower defogging device, installs in SOx/NOx control tower through strutting arrangement, its characterized in that: contain two-layer baffling plate layer (2, 4), two-stage washing unit (1, 5) and multiaspect ball layer (3), multiaspect ball layer (3) are located the intermediate position, and first baffling plate layer (2) are hugged closely to its upside, and second baffling plate layer (4) are hugged closely to the downside, first baffling plate layer (2) and second baffling plate layer (4) comprise a plurality of baffling board, and the opening is located vertical direction, and the flue gas of being convenient for gets into, and one-level washing unit (1) are installed to first baffling plate layer (2) top, and second baffling plate layer (4) below is installed second flushing unit (5).
2. The desulfurization and denitrification tower defogging device as recited in claim 1, wherein: the polyhedral ball layer (3) comprises a plurality of polyhedral hollow balls.
3. The desulfurization and denitrification tower defogging device as recited in claim 2, wherein: each hemisphere of the multi-surface hollow sphere is provided with 8-12 semi-fan-shaped blades, and the fan-shaped blades of the two hemispheres are staggered.
4. The desulfurization and denitrification tower defogging device as recited in claim 3, wherein: each hemisphere of the polyhedral hollow sphere is provided with 12 semi-fan-shaped blades.
5. The desulfurization and denitrification tower defogging device as recited in claim 1, wherein: the baffle plates in the first baffle plate layer (2) and the second baffle plate layer (4) are in an arched baffle plate type and have 1-3 blade channels, the blade distance is 25-40 mm, and the height of the baffle plate is greater than 200 mm.
6. The desulfurization and denitrification tower defogging device of claim 5, wherein: the baffle of folded plate pattern possesses 3 blade passageways, and the blade interval is 32mm, and the height is 250 mm.
7. The desulfurization and denitrification tower defogging device as recited in claim 1, wherein: the first-level flushing device (1) and the second-level flushing device (5) both comprise a plurality of nozzles for flushing the first baffle layer (2) and the second baffle layer (4) downwards or upwards.
8. The desulfurization and denitrification tower defogging device of claim 7, wherein: the nozzle is a silicon carbide spiral nozzle.
9. The desulfurization and denitrification tower defogging device as recited in claim 1, wherein: the device also comprises a control system which is used for controlling the opening of the nozzle in the flushing device and can be remotely controlled or arranged on the desulfurization and denitrification tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430135.XU CN210044948U (en) | 2019-04-01 | 2019-04-01 | Desulfurization and denitrification tower defogging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430135.XU CN210044948U (en) | 2019-04-01 | 2019-04-01 | Desulfurization and denitrification tower defogging device |
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| CN210044948U true CN210044948U (en) | 2020-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754066A (en) * | 2021-09-28 | 2021-12-07 | 湖南工业大学 | Biological detention system for rainwater collection and treatment in building community |
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2019
- 2019-04-01 CN CN201920430135.XU patent/CN210044948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754066A (en) * | 2021-09-28 | 2021-12-07 | 湖南工业大学 | Biological detention system for rainwater collection and treatment in building community |
| CN113754066B (en) * | 2021-09-28 | 2023-11-21 | 湖南工业大学 | A biological retention system for building district rainwater is collected and is handled |
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