CN207786313U - Smoke multistage high-effective dust-removing demister - Google Patents
Smoke multistage high-effective dust-removing demister Download PDFInfo
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- CN207786313U CN207786313U CN201721266410.6U CN201721266410U CN207786313U CN 207786313 U CN207786313 U CN 207786313U CN 201721266410 U CN201721266410 U CN 201721266410U CN 207786313 U CN207786313 U CN 207786313U
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Abstract
The utility model provides a kind of smoke multistage high-effective dust-removing demister, including：Desulfurizing tower, the water spray circulatory system, hydraulic barrier demister, mesh mist eliminator and multistage cyclone dedusting demister；The water spray circulatory system includes rising gas cap return water layer, water circulated sprinkling layer, circulating water chennel and water circulating pump；The water circulated sprinkling layer is mounted on the top of desulfurizing tower, and a liter gas cap return water layer, water spray layer, hydraulic barrier demister, mesh mist eliminator and multistage cyclone dedusting demister are sequentially installed on the water circulated sprinkling layer top；The outside of the desulfurizing tower is equipped with circulating water chennel, and described liter of gas cap return water layer is connected to by water return pipeline with the circulating water chennel, rises gas cap return water layer and is made of multiple liters of gas caps；Circulating water chennel is connected to by circulating water line with the water spray layer, and water spray layer is made of pipeline and multiple atomizers, and circulating pump is mounted on the pipeline of water circulated sprinkling.
Description
Technical field
The utility model is related to smoke multistage high-effective dust-removing demister technical fields, in particular to a kind of flue gas
Multi-stage, efficient dedusting demister technical field.
Background technology
Flue gas desulfurization refers to the method fixed the sulfur dioxide gas in comburant with lye as solid or liquid.Mesh
Before, the mode of flue gas desulfurization mainly has dry desulfurization, semi-dry desulphurization and wet desulphurization.Wet Flue Gas Desulfurization Technique is with containing absorption
The solution or slurries of agent desulfurization and processing desulfurization product under wet condition, this method is high with desulfuration efficiency, the reaction time is short,
The advantages that equipment is simple and be widely used.
And a sixty-four dollar question existing for Wet Flue Gas Desulfurization Technique is exactly micro- containing sulfate radical, inferior sulfate radical etc. in exhaust
Droplet, so being extremely difficult to the requirement of environmental protection.Therefore, it is necessary to develop one kind can effectively reduce in desulfurizing tower exiting flue gas
Fine solid particle and droplet content novel combination type dedusting demister.
CN204768177U discloses a kind of ridge demister, including the first demister, the second demister and
Three demisters, and first demister is located at the top of the second demister, and second demister is located at the
The top of three demisters is equipped with flushing inside first demister, the second demister and third demister
Waterpipe device and spray nozzle device.
CN104368217A discloses a kind of combined type cyclone demisting dust pelletizing system and treatment process, including is sequentially connected and connects
Absorption tower and net flue, be equipped with former gas inlet in the side on absorption tower, spraying layer be equipped in absorption tower, wherein inhaling
It receives and is additionally provided with cyclone in tower, cyclone is located at the top of spraying layer, and spraying layer is located at the top of former gas inlet.
However, above-mentioned dedusting demister can not adapt to flue gas situation complicated in absorption tower, when boiler load is low
When exhaust gas volumn is small cyclone effect be deteriorated or smoke distribution it is non-uniform when cyclone also fall flat.
Utility model content
The main purpose of the utility model is to provide a kind of smoke multistage high-effective dust-removing demisters, to solve existing skill
Wet desulfurization flue gas outlet dirt in art and the exceeded problem of mist.
To achieve the goals above, one side according to the present utility model provides a kind of smoke multistage high-effective dust-removing
Demister, including：Desulfurizing tower, the water spray circulatory system, hydraulic barrier demister, mesh mist eliminator and multistage cyclone dedusting
Demister；The water spray circulatory system includes rising gas cap return water layer, water circulated sprinkling layer, circulating water chennel and water circulating pump；Institute
The top that water circulated sprinkling layer is mounted on desulfurizing tower is stated, a liter gas cap return water is sequentially installed on the water circulated sprinkling layer top
Layer, water spray layer, hydraulic barrier demister, mesh mist eliminator and multistage cyclone dedusting demister；The outside of the desulfurizing tower is set
There are circulating water chennel, described liter of gas cap return water layer to be connected to the circulating water chennel by water return pipeline, rises gas cap return water layer by multiple
Rise gas cap composition；Circulating water chennel is connected to by circulating water line with the water spray layer, and water spray layer has pipeline and multiple atomizations
Nozzle forms, and circulating pump is mounted on the pipeline of water circulated sprinkling.
Further, the atomizing mouth of the water spray layer is arranged in below the hydraulic barrier demister, position with
Hydraulic barrier demister corresponds to, and the nozzle spray direction is downward, is contacted with flue gas adverse current, and spray angle is 90 °~120 °, spray
The drop particle diameter of leaching is 100 microns~300 microns.
Further, described liter of gas cap return water layer is located at the lower section of the hydraulic barrier demister, described liter of gas cap return water
The lower plane of layer has angle of inclination.
Further, the mesh mist eliminator is located at the upper layer of the hydraulic barrier demister, the mesh mist eliminator by
Arrange uniform silk screen composition.
Further, the multistage cyclone dedusting demister is located at the upper layer of the mesh mist eliminator, the multistage cyclone
Dedusting demister is made of level Four spiral board, speedup gas block apparatus, Dust collecting net and center water-spray system, all materials
It is all made of macromolecule clear water material.
Using the technical solution of the utility model, the discharge of aerosol in wet desulphurization can be effectively removed, is made entire
System stable operation.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 diagrammatically illustrates the structure of the embodiment of smoke multistage high-effective dust-removing demister according to the present utility model
Figure；
Fig. 2 diagrammatically illustrates the structure chart of hydraulic barrier formula dedusting demister；
Fig. 3 diagrammatically illustrates the structure chart of silk screen；
Fig. 4 diagrammatically illustrates the layout drawing of cyclone high-effective dust-removing demister；
Fig. 5 diagrammatically illustrates structure chart of the cyclone high-effective dust-removing demister in tower；
Wherein, above-mentioned attached drawing includes the following drawings label：
1, desulfurizing tower；2, bottom of tower slurries；3, the water spray circulatory system；4, hydraulic barrier formula dedusting demister；5, silk screen removes
Day with fog；6, cyclone high-effective dust-removing demister；7, technique water pump；8, technique sink；9, circulating pump；10, circulating slot；11, process water,
12, gas after foam removal；13, gas containing foam；14, corrugated sheet；15, the drop trapped；16, mesh mist eliminator；17, high-effective dust-removing removes
Mist is laid out；18, cyclone high-effective dust-removing Defrosting structure；
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Shown in Fig. 1 to Fig. 5, the utility model provides a kind of applied to desulfurization technology multi-stage, efficient dedusting demisting dress
It sets, including desulfurizing tower 1, the water spray circulatory system, hydraulic barrier demister 4, mesh mist eliminator 5 and cyclone high-effective dust-removing demisting
Device 6.
The water spray circulatory system includes rising gas cap return water layer, water circulated sprinkling layer 3, circulating water chennel 10 and water circulating pump
9；
The water circulated sprinkling layer 3 is mounted on the top of desulfurizing tower 1, and a liter gas is sequentially installed on water circulated sprinkling layer top
Cap return water layer, water spray layer 3, hydraulic barrier demister 4, silk screen 5 and cyclone high-effective dust-removing demister 6；The outside of desulfurizing tower 1 is set
There is circulating water chennel 10, rise gas cap return water layer and be connected to circulating water chennel 10 by water return pipeline, rises gas cap return water layer by multiple liters of gas
Cap forms；Circulating water chennel 10 is connected to by circulation waterway with water spray layer 3, and water spray layer 3 is by pipeline and multiple atomizer groups
At circulating pump 9 is mounted on circulating water pipe road.
Specifically, hydraulic barrier demister 4 by baffle groups at baffle plate equidistantly arranges in tower.
Specifically, the atomizing mouth of water spray layer is arranged in below hydraulic barrier demister, and position is removed with hydraulic barrier
Day with fog corresponds to, and nozzle spray direction is downward, is contacted with flue gas adverse current, and spray angle is 90 °~120 °, and the drop particle diameter of spray is
100 microns~300 microns.
Specifically, the lower section that gas cap return water layer is located at hydraulic barrier demister is risen, the lower plane for rising gas cap return water layer has
Angle of inclination.
Specifically, mesh mist eliminator is located at the upper layer of hydraulic barrier demister, and mesh mist eliminator is by arranging uniform silk screen
Composition.
Specifically, cyclone high-effective dust-removing demister is located at the upper layer of mesh mist eliminator, which is
It is made of level Four spiral board, speedup gas block apparatus, Dust collecting net and center water-spray system, all materials are all made of macromolecule
Clear water material.
The efficient absorption tower Multifunctional smoke tapping equipment of the utility model, in ammonia process of desulfurization denitration dust collecting integral
In project, gas inlet exhaust gas volumn is 320000Nm3/ h, import SO2A concentration of 1000mg/Nm3, import NOxA concentration of 800
mg/Nm3, after desulphurization denitration dust removal integrated plant, desulfuration efficiency 97%, denitration efficiency 93.75% exports dirt and contains
Amount is 5mg/Nm3.Whole system stable operation.The smoke multistage high-effective dust-removing demister flue gas flow field of the utility model is distributed
Uniformly, no bias current, resistance is small, system for desulfuration and denitration stable operation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
By four dedusting demisting forms, dust removal efficiency higher；First of spraying and dedusting demisting plays spray, demisting, cold
Solidifying, diluting effect；Shower water used in spraying and dedusting demisting unit is the recycled process water, due to the reduction of temperature, water therein
Steam forms water droplet, also functions to the effect for reducing flue-gas temperature；Meanwhile spray unit can also capture a part of dust and solvable
Property salt；Recirculated water reaches a certain concentration and is exhausted directly to slurries area.
After hydraulic barrier formula demister and silk screen, a part of dust and salt particle are retained.
When wet flue gas after spray cleaning passes through cyclone high-effective dust-removing demister, using the kinetic energy of flue gas in absorption tower, make
Flue gas cyclone barrel generates gas-liquid impingement, and in cyclone and its top forms the violent rotation and disturbance of gas-liquid two-phase, makes cigarette
The reunion that collides with each other of the finely ground particles such as fine drop, fine solid particle particle, aerosol in gas is condensed into big drop, big drop
The purification purpose for being reached removal finely ground particles by the capture of cyclone cylinder surface liquid film again, to improve finely ground particles in flue gas
Removal efficiency.
It is simple in structure using dedusting demisting integration form, it occupies little space, maintenance is convenient, it can be achieved that the automatic control of operation
System, and the salt content being greatly lowered in desulfurizing tower exiting flue gas；Solve the problems, such as that traditional dedusting defogging effect is poor, entirely
It is system reliable operation, stabilization, efficient.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of smoke multistage high-effective dust-removing demister, which is characterized in that including：Desulfurizing tower, the water spray circulatory system, baffling
Baffle demister, mesh mist eliminator and multistage cyclone dedusting demister；The water spray circulatory system includes rising gas cap return water
Layer, water circulated sprinkling layer, circulating water chennel and water circulating pump；The water circulated sprinkling layer is mounted on the top of desulfurizing tower, described
Water circulated sprinkling layer top is sequentially installed with a liter gas cap return water layer, water spray layer, hydraulic barrier demister, mesh mist eliminator and more
Grade cyclone dedusting demister；The outside of the desulfurizing tower be equipped with circulating water chennel, described liter of gas cap return water layer by water return pipeline with
The circulating water chennel connection, rises gas cap return water layer and is made of multiple liters of gas caps；Circulating water chennel passes through circulating water line and the water
Spraying layer is connected to, and water spray layer is made of pipeline and multiple atomizers, and circulating pump is mounted on the pipeline of water circulated sprinkling.
2. smoke multistage high-effective dust-removing demister according to claim 1, which is characterized in that the hydraulic barrier demister
By baffle groups at the baffle plate equidistantly arranges in tower.
3. smoke multistage high-effective dust-removing demister according to claim 1, which is characterized in that the atomization of the water spray layer
Mouth is arranged in below the hydraulic barrier demister, and position is corresponding with hydraulic barrier demister, the nozzle spray direction
Downwards, it is contacted with flue gas adverse current, spray angle is 90 °~120 °, and the drop particle diameter of spray is 100 microns~300 microns.
4. smoke multistage high-effective dust-removing demister according to claim 1, which is characterized in that described liter of gas cap return water layer position
In the lower section of the hydraulic barrier demister, the lower plane of described liter of gas cap return water layer has angle of inclination.
5. smoke multistage high-effective dust-removing demister according to claim 1, which is characterized in that the mesh mist eliminator is located at
The upper layer of the hydraulic barrier demister, the mesh mist eliminator is by arranging that uniform silk screen forms.
6. smoke multistage high-effective dust-removing demister according to claim 5, which is characterized in that the multistage cyclone dedusting removes
Day with fog is located at the upper layer of the mesh mist eliminator, and the multistage cyclone dedusting demister is by level Four spiral board, the stifled dress of speedup gas
It sets, Dust collecting net and center water-spray system composition, all materials are all made of macromolecule clear water material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266410.6U CN207786313U (en) | 2017-09-28 | 2017-09-28 | Smoke multistage high-effective dust-removing demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266410.6U CN207786313U (en) | 2017-09-28 | 2017-09-28 | Smoke multistage high-effective dust-removing demister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207786313U true CN207786313U (en) | 2018-08-31 |
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ID=63275411
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266410.6U Expired - Fee Related CN207786313U (en) | 2017-09-28 | 2017-09-28 | Smoke multistage high-effective dust-removing demister |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013742A (en) * | 2019-05-15 | 2019-07-16 | 宁波友联哈博环境科技有限公司 | A kind of low energy consumption ship tail gas receives the device and method of water and the utilization of resources |
| CN111151106A (en) * | 2018-11-07 | 2020-05-15 | 洛阳德明石化设备有限公司 | System for improving gas-liquid separation effect of WGS (WGS) desulfurizing tower and application of system |
| CN112090260A (en) * | 2020-08-20 | 2020-12-18 | 浙江理工大学 | Demister for wet desulphurization tower and wet desulphurization tower |
| CN113318541A (en) * | 2021-06-30 | 2021-08-31 | 柯美瑞(唐山)环保科技有限公司 | Rolling mill flue gas ultralow emission purifier |
-
2017
- 2017-09-28 CN CN201721266410.6U patent/CN207786313U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151106A (en) * | 2018-11-07 | 2020-05-15 | 洛阳德明石化设备有限公司 | System for improving gas-liquid separation effect of WGS (WGS) desulfurizing tower and application of system |
| CN110013742A (en) * | 2019-05-15 | 2019-07-16 | 宁波友联哈博环境科技有限公司 | A kind of low energy consumption ship tail gas receives the device and method of water and the utilization of resources |
| CN112090260A (en) * | 2020-08-20 | 2020-12-18 | 浙江理工大学 | Demister for wet desulphurization tower and wet desulphurization tower |
| CN113318541A (en) * | 2021-06-30 | 2021-08-31 | 柯美瑞(唐山)环保科技有限公司 | Rolling mill flue gas ultralow emission purifier |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20190928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |