CN206762469U - Automatic Load adjusting apparatus for bundled tube dedusting demister - Google Patents
Automatic Load adjusting apparatus for bundled tube dedusting demister Download PDFInfo
- Publication number
- CN206762469U CN206762469U CN201720648012.4U CN201720648012U CN206762469U CN 206762469 U CN206762469 U CN 206762469U CN 201720648012 U CN201720648012 U CN 201720648012U CN 206762469 U CN206762469 U CN 206762469U
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- CN
- China
- Prior art keywords
- float
- dedusting demister
- bundled tube
- ring
- fin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Automatic Load adjusting apparatus for bundled tube dedusting demister, belong to smoke wet method sulphur removing and dust removing demisting technical field, gas flow rate is low when the utility model is in order to solve the work of dedusting demister underload, causes dedusting fog removal performance to decline, the problem of fine solid particle and gypsum droplet are difficult to remove.Flinger ring is arranged in the outlet above bundled tube dedusting demister cylinder, flinger ring is sequentially arranged above with guide ring and float support ring, wedge-shaped indentation is provided with above the inwall of float support ring, multiple fin annular spreads are at the wedge-shaped indentation of float support ring, float is slidably connected with fin, the outer wall of float is provided with the chute being engaged with fin, and the lower end of float is engaged with the wedge-shaped indentation in float support ring, and top plate is fixedly mounted on the top of fin.Automatic Load adjusting apparatus of the present utility model for bundled tube dedusting demister can be according to the automatic load adjustment for carrying out dedusting demister of change of bundled tube dedusting demister gas flow rate.
Description
Technical field
It the utility model is related to a kind of automatic Load adjusting apparatus, and in particular to for the automatic of bundled tube dedusting demister
Load adjusting device, belong to smoke wet method sulphur removing and dust removing demisting technical field.
Background technology
China's Desulphurization for Coal-fired Power Plant technique generally uses Limestone-gypsum Wet Flue Gas Desulfurization Process technique, and the technique is in running
In can produce a certain amount of fine solid particle and " gypsum rain ".Although traditional dedusting demisting technique can remove most pollutant,
But fine solid particle and gypsum droplet can not be removed, the exceeded present situations of PM2.5 can not be alleviated.In addition, with power plants
Air Pollutant Emission new standard implement in full and《The energy-saving and emission-reduction of coal electricity upgrade and transformation action plan (2014-2020
Year)》Appearance, at present many key areas reach minimum discharge, i.e. soot emissions for thermal power plant's smoke dust discharge concentration requirement
Limit value need to be controlled in 5mg/Nm3(standard state, butt, 6% oxygen) below, dedusting demisting technique traditional at present can not meet existing
Environmental protection need.
Therefore, Treatment process route is cooperateed with to increasingly become main flow to realize the minimum discharge of flue dust using flue gas, first
Kind technology is one-level tubular type+three-level ridge type high efficiency demister, and this is mechanical demister, is to powder based on inertial collision theory
Dirt and droplet are removed, and its cut diameter is 20 μm, and the dust and gypsum droplet removal efficiency of more than 20 μm of particle diameter are more than
99%, and it is relatively low to the dust below 20 μm of particle diameter and gypsum droplet removal efficiency so that it can not be kept away in desulfurizing tower exiting flue gas
Exempt to carry a large amount of fine solid particle and gypsum droplets, easily trigger chimney gypsum rain phenomenon.
Second of mainstream technology is bundled tube dedusting demister, and its design utilizes the centrifugal force that drop is subject to and its quality
Proportional relation, so the drop of greater particle size is more easy to encounter blade wall and be captured, thus big particle diameter drop can be protected all the time
Hold higher removal efficiency, and by the change of its structural parameters, disclosure satisfy that efficiently separate tiny drop and meanwhile ensure compared with
Low pressure drop.Bundled tube dedusting demister uses horizontal mounting design, multitube vertical arrangement, installed in absorption tower internal upper part with
Remove the droplet and particulate matter of flue gas entrainment.Compared with one-level tubular type+three-level ridge type high efficiency demister, bundled tube dedusting demisting
The cut diameter of device is stronger to fine solid particle and gypsum droplet removal ability up to 5 μm, is more easy to realize the wet-esp on not
Reach flue dust minimum discharge in the case of device.However, bundled tube dedusting demister is in the case of boiler at low load, due to cigarette in tower
Gas velocity step-down causes centrifugal force caused by flue gas rotation to reduce rapidly so that its dedusting fog removal performance is remarkably decreased, now
The problem of being difficult to remove there is fine solid particle and gypsum droplet.
Utility model content
The purpose of this utility model is to provide the automatic Load adjusting apparatus for bundled tube dedusting demister, to solve to remove
Gas flow rate is low when dirt demister underload works, and causes dedusting fog removal performance to decline, fine solid particle and gypsum droplet are difficult to
Except the problem of.
The automatic Load adjusting apparatus for bundled tube dedusting demister includes flinger ring, guide ring, float support
Ring, fin, float and top plate；
Flinger ring is arranged in the outlet above bundled tube dedusting demister cylinder, and being sequentially arranged above with for flinger ring is led
Ring and float support ring are flowed, wedge-shaped indentation is provided with above the inwall of float support ring, multiple fin annular spreads support in float
At the wedge-shaped indentation of ring, float is slidably connected with fin, and the outer wall of float is provided with the chute being engaged with fin, under float
End is engaged with the wedge-shaped indentation in float support ring, and top plate is fixedly mounted on the top of fin.
Preferably：The tapered ramp of the float lower end is provided with multiple annular grooves, and O-ring seal is provided with annular groove.
The utility model has the following effects that compared with existing product：Can be according to the void tower gas of bundled tube dedusting demister
The automatic load adjustment for carrying out dedusting demister of change of rate of flow of fluid, during load reduction, the gas stream of bundled tube dedusting demister
Speed also decreases, and when load reduction is to certain value, flue gas can not hold up float, and load adjusting device is closed automatically, make to bear
Cyclone enclosed in lotus adjusting apparatus coverage, gas can only flow through from unclosed cyclone, because overall circulation area drops
It is low so that the gas flow rate for flowing through unclosed cyclone ensured, conversely, when load is increased to certain value, in enclosed area
Automatically float is driven on top to the cyclone in domain so that the load adjusting device puts into operation, so that gas flow rate is stable, ensure that and removes
Dirt defogging effect；Simple system is reliable, investment operating cost is low, according to load automatic adjustment switch, can effectively stablize gas
Rate of flow of fluid, solve the problems, such as that fine solid particle is difficult to remove with gypsum droplet, realize the minimum discharge of desulfurization fume.
Brief description of the drawings
Fig. 1 is the front view of the automatic Load adjusting apparatus described in the utility model for bundled tube dedusting demister；
Fig. 2 is Fig. 1 top view；
Fig. 3 is Fig. 2 A-A sectional views；
Fig. 4 is the structural representation of float.
In figure：1- flinger rings, 2- guide rings, 3- floats support ring, 4- fins, 5- floats, 6- top plates, 7- annular grooves, 8-
Bundled tube dedusting demister.
Embodiment
The utility model preferred embodiment is elaborated below according to accompanying drawing.
As shown in Figures 1 to 4, the automatic Load adjusting apparatus described in the utility model for bundled tube dedusting demister
Including flinger ring 1, guide ring 2, float support ring 3, fin 4, float 5 and top plate 6；
The flinger ring 1 is arranged in the outlet above the cylinder of bundled tube dedusting demister 8, and the top of flinger ring 1 is successively
Guide ring 2 and float support ring 3 are installed, wedge-shaped indentation, multiple annulars point of fin 4 are provided with above the inwall of float support ring 3
At the wedge-shaped indentation of float support ring 3, float 5 is slidably connected cloth with fin 4, and the outer wall of float 5 is provided with to match with fin 4
The chute of conjunction, the lower end of float 5 are engaged with the wedge-shaped indentation in float support ring 3, and top plate 6 is fixedly mounted on the top of fin 4
End.
Further：The tapered ramp of the lower end of float 5 is provided with multiple annular grooves 7, and fluid sealant is provided with annular groove 7
Circle.
Further：Automatic Load adjusting apparatus described in the utility model is installed on the top of bundled tube dedusting demister 8,
The edge of bundled tube dedusting demister 8 is blocked using neck, is flinger ring 1 above neck, it is to avoid restraining in cylinder that it, which is acted on,
The liquid film formed on wall from the droplet that flue gas is separated is carried away by smoke secondary；Be connected with flinger ring 1 for water conservancy diversion
Ring 2, it is similar to the structure of venturi, plays a part of water conservancy diversion and reduces flue gas resistance；It is up float support ring 3 again, will
It is designed to inclined structure, can play quick hydrophobic effect；A plurality of annular groove 7 is arranged at the bottom of float 5, float 5 not by
When top is opened, flue gas is not easy to leak at the contact gap between float 5 and float support ring 3, plays certain sealing function；It is floating
Son 5 is supported by several fins 4, the interior smooth of fin 4, in cylinder, to reduce the frictional force between float 5 and fin 4, will be managed
All bodys are divided into m region on beam formula dedusting demister, and use described in the utility model is not installed in the region for having at least 1/3
In the automatic Load adjusting apparatus of bundled tube dedusting demister, remaining most 2/3 region be uniform-distribution with that weight do not wait from
Dynamic load adjusting apparatus, using the buoyancy and the magnitude relationship of self gravitation suffered by float 5, automatically adjust load adjusting device
Switch, when buoyancy suffered by float 5 is more than self gravitation, float 5 rises, gas by fin 4 gap flow out, when float 5
When suffered buoyancy is less than or equal to self gravitation, float is fallen, and the load adjusting device is closed automatically, is thus played in stabilizer
The effect of gas flow rate.
Carrying out practically comprises the following steps：
1st, when the superficial gas flow velocity of bundled tube dedusting demister is reduced to V1When, float is fallen, and automatic the 1st set of closing is negative
Lotus adjusting apparatus, make there is no gas to flow through in the range of the 1st set of load adjusting device, so that being not turned off the bundled tube dedusting in region
The superficial gas flow velocity of demister does not continue to reduce or slows down the speed of reduction；
2nd, when the superficial gas flow velocity of bundled tube dedusting demister continues to be reduced to V2When, it is automatic to close the 2nd set of load tune
Engagement positions；The rest may be inferred, and V is reduced to when the superficial gas flow velocity of bundled tube dedusting demister continues to decrease up tonWhen, it is automatic to close
N-th set of load adjusting device is closed, until the efficiency of the dedusting demister meets the requirements；
3rd, when the superficial gas flow velocity of bundled tube dedusting demister is improved to VnWhen, float rises, and automatically opens up n-th set and bears
Lotus adjusting apparatus, the cyclone of original closing off-duty is set to put into operation again, so that the void tower gas of bundled tube dedusting demister
Rate of flow of fluid does not continue to improve or slows down the speed of raising；
4th, when the superficial gas flow velocity of bundled tube dedusting demister is improved to Vn-1When, open (n-1)th set of load adjustment dress
Put；The rest may be inferred, when the superficial gas flow velocity of bundled tube dedusting demister continues to improve to V1When, open the 1st set of load adjustment
Device；
Wherein, n is the quantity of load adjusting device, and n >=1, n are positive integer.ViSet for user according to actual conditions
The superficial gas flow velocity of bundled tube dedusting demister when the dedusting demister efficiency is reduced to some values, GiFor the weight of float
Amount, V1>V2>……>Vn, G1>G2>……>Gn, i=1,2 ... ..., n.
Further：Load adjusting device described in the utility model can be according to the superficial gas of bundled tube dedusting demister
The automatic load adjustment for carrying out bundled tube dedusting demister of change of flow velocity.During load reduction, the sky of bundled tube dedusting demister
Tower gas flow rate also decreases.When load reduction is to certain value, flue gas can not hold up float, and load adjusting device closes automatically
Close, make the cyclone enclosed in load adjusting device coverage, gas can only flow through from unclosed cyclone.Due to overall circulation
Area is reduced so that the gas flow rate for flowing through unclosed cyclone is ensured.Conversely, when load is increased to certain value, it is in
Drive float in the cyclone top of closed area so that the load adjusting device automatically engages operation, so as to ensure that dedusting defogging effect.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (2)
1. the automatic Load adjusting apparatus for bundled tube dedusting demister, it is characterised in that：Including flinger ring (1), guide ring
(2), float support ring (3), fin (4), float (5) and top plate (6)；
The flinger ring (1) is arranged in the outlet above bundled tube dedusting demister (8) cylinder, the top of flinger ring (1) according to
It is secondary that guide ring (2) and float support ring (3) are installed, it is provided with wedge-shaped indentation, multiple fins above the inwall of float support ring (3)
(4) at the wedge-shaped indentation of float support ring (3), float (5) is slidably connected annular spread with fin (4), the outer wall of float (5)
The chute being engaged with fin (4) is provided with, the lower end of float (5) is engaged with the wedge-shaped indentation in float support ring (3), is pushed up
Plate (6) is fixedly mounted on the top of fin (4).
2. the automatic Load adjusting apparatus according to claim 1 for bundled tube dedusting demister, it is characterised in that：Institute
The tapered ramp for stating float (5) lower end is provided with multiple annular grooves (7), and O-ring seal is provided with annular groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648012.4U CN206762469U (en) | 2017-06-06 | 2017-06-06 | Automatic Load adjusting apparatus for bundled tube dedusting demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720648012.4U CN206762469U (en) | 2017-06-06 | 2017-06-06 | Automatic Load adjusting apparatus for bundled tube dedusting demister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206762469U true CN206762469U (en) | 2017-12-19 |
Family
ID=60636461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720648012.4U Expired - Fee Related CN206762469U (en) | 2017-06-06 | 2017-06-06 | Automatic Load adjusting apparatus for bundled tube dedusting demister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206762469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964205A (en) * | 2017-06-06 | 2017-07-21 | 哈尔滨锅炉厂环保工程技术有限公司 | Automatic Load adjusting apparatus and method of adjustment for bundled tube dedusting demister |
-
2017
- 2017-06-06 CN CN201720648012.4U patent/CN206762469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964205A (en) * | 2017-06-06 | 2017-07-21 | 哈尔滨锅炉厂环保工程技术有限公司 | Automatic Load adjusting apparatus and method of adjustment for bundled tube dedusting demister |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |