CN107281820A - Desulfurizing tower heats demister - Google Patents
Desulfurizing tower heats demister Download PDFInfo
- Publication number
- CN107281820A CN107281820A CN201710592949.9A CN201710592949A CN107281820A CN 107281820 A CN107281820 A CN 107281820A CN 201710592949 A CN201710592949 A CN 201710592949A CN 107281820 A CN107281820 A CN 107281820A
- Authority
- CN
- China
- Prior art keywords
- heating
- demister
- plate
- desulfurizing tower
- heats
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention provides a kind of desulfurizing tower heating demister, including at least one heating demisting unit；Each heating demisting unit includes leaving exhaust gases passes of the spacing formation for flow of flue gas between the multiple plates being arranged in rows, adjacent plate, and the plate is provided with spigot surface；The plate of each heating demisting unit is connected by heating tube, and the plate is fixedly connected in the heating tube.The present invention connects demisting plate by heating tube, and heating enters the flue gas in downstream while can thoroughly, efficiently removing the drop in flue gas, preferably safeguards downstream fume gas reheater not by low-temperature corrosion；And demister of the present invention can flexible arrangement, may be mounted in desulfurizing tower and used separately as demister, can also be arranged on the centre position of multi-stage demister, or be placed in the downstream of desulfurizing tower supports the use as a part for smoke re-heater with smoke re-heater；In addition, the present invention can also be used independently as heater, it is arranged on before demister or after demister.
Description
Technical field
The present invention relates to a kind of wet desulfurization flue gas desulfurizer, more particularly to a kind of desulfurizing tower with heating function is removed
Mist device.
Background technology
At this stage, wet desulphurization is carried out to sulfur-containing smoke gas by wet desulfurization system using limestone-gypsum method extensively should
With fossil-fired unit at home, it has the advantages that fast desulphurization reaction, efficiency high, sulfur-removing additives utilization rate are high.But, it is wet
Flue gas water content height after method desulfurization, temperature are low, easy condensation, also containing the strong corrosive material such as fluoride and chloride, for
Flue gas upstream device is easier to form the corrosion of low temperature and high relative humidity diluted acid type, i.e., to upstream device, and such as chimney has stronger corrosivity.
Set to reduce on extent of corrosion of the flue gas after desulfurization to equipment, the discharge path typically after flue gas desulfurization
Demister and heater, demister are used to remove the drop in flue gas, and these drops not only contain moisture, also contain corrosive goods
Matter, is the main corrosion source of equipment；Heater is used to improve flue-gas temperature, reduces the condensation number of drop, and prevents corrosion reaction
Generation.Existing demister plate, includes each plate of the discharge path bending along flue gas, adjacent plate formation bending channel
Pass through for flue gas, when guttiferous flue gas is by bending channel, drop therein can not change stream in time under effect of inertia
Dynamic path, and hit plate and be trapped on plate, reach the purpose of demisting.
The drop in flue gas can not thoroughly, be efficiently removed due to demister, containing corrosive substance and large quantity of moisture
Flue gas will further flow to heater, heater is in severe working environment, relatively be vulnerable to corrosion, and reduce and use the longevity
Life.
A kind of desulfurizer mist eliminator is disclosed in the Chinese invention patent specification of Application No. 201611216437.4, is taken off
Sulphur tower includes side below desulfurization tower body, desulfurization tower body and is provided with gas outlet, demisting with water outlet, top is circulated provided with air inlet
Device includes wave deflector and the jet pipe being connected respectively with the contour support member of wall in desulfurizing tower body.Above-mentioned desulfurizing tower demisting
Although device can remove the drop in flue gas, heater below is still located in the presence of a harsh environment, still easily corrosion.
Therefore, how a kind of demister with heating function is provided, makes it have and preferably removes fog effect, while can
Effective corrosion of the reducing smoke to upstream device, is skilled person's technical issues that need to address.
The content of the invention
Demister is heated the technical problem to be solved in the present invention is to provide a kind of desulfurizing tower, to overcome the upper of prior art
State defect.
To achieve the above object, the present invention provides a kind of desulfurizing tower heating demister, including at least one heating demisting
Unit；Each heating demisting unit, which includes leaving spacing formation between the multiple plates being arranged in rows, adjacent plate, supplies flue gas
The exhaust gases passes of flowing, the plate is provided with spigot surface；The plate of each heating demisting unit is connected by heating tube, described
Plate is fixedly connected in the heating tube.
Preferably, the centre position of the plate is provided with connecting hole, and the heating tube sequentially passes through the connection of each plate
Hole.
Preferably, the heating tube is coiled pipe or U-tube.
Preferably, the heating tube includes heating main, and the heating main is in charge of provided with many heating, every heating
It is in charge of the corresponding plate of connection.
Preferably, the heating demisting unit is sequentially arranged provided with two or more along flow of flue gas direction.
Preferably, the plate is streamlined or fold-line-shaped.
Preferably, the heating medium in the heating tube is hot water or hot blast.
Preferably, the plate and heating tube are made of stainless steel, fluoroplastics, polypropylene or fibre reinforced materials.
As described above, desulfurizing tower heating demister of the present invention, has the advantages that：The present invention is by demisting
Plate is connected by heating tube, and heating enters the flue gas in downstream while can thoroughly, efficiently removing the drop in flue gas, compared with
Safeguard downstream fume gas reheater not by low-temperature corrosion well.Demister of the present invention can flexible arrangement, may be mounted in desulfurizing tower
Used separately as demister, the centre position of multi-stage demister can also be arranged on, or be placed in the downstream of desulfurizing tower as cigarette
A part for gas reheater is supported the use with smoke re-heater；The present invention can also be used independently as heater, be arranged on demisting
Before device or after demister.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of heating demisting unit.
Fig. 2 is the structural representation of second of embodiment of heating demisting unit.
Fig. 3 is the structural representation of the third embodiment of heating demisting unit.
Fig. 4 is the structural representation of the 4th kind of embodiment of heating demisting unit.
Fig. 5 is structural representation of the invention.
Component label instructions
1 heating demisting unit
2 plates
21 spigot surfaces
3 exhaust gases passes
4 heating tubes
5 flushers
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate specification to be taken off
The content shown, so that those skilled in the art is understood with reading, is not limited to enforceable qualifications of the invention, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influenceing the present invention
Under the effect that can be generated and the purpose that can reach, it all should still fall and obtain the model that can cover in disclosed technology contents
In enclosing.Meanwhile, cited such as " on ", " under ", "left", "right", the term of " centre ", are merely convenient to chat in this specification
That states understands, and is not used to limit enforceable scope of the invention, and being altered or modified for its relativeness is changing skill without essence
Held in art, when being also considered as enforceable category of the invention.
As shown in Figures 1 to 5, the present invention provides a kind of desulfurizing tower heating demister, the desulfurizing tower heating demisting dress
Put in desulfurizing tower or be connected on rear side of desulfurizing tower, the desulfurizing tower is the ordinary skill in the art, refers to background
The desulfurizing tower of technology, will not be repeated here.The desulfurizing tower heating demister includes one, two or more heating demisting lists
Member 1, as shown in figure 5, when heating demisting unit 1 provided with two or more, arranged along flow of flue gas direction, can be more effective
Ground removes the drop in flue gas, and desulfurizing tower heating demister also includes the flushing dress for being used to clean the heating demisting unit 1
Put 5.
The heating demisting unit 1 being related in the present invention can with horizontally disposed or be arranged vertically, in the examples below, with
It is reference direction to heat demisting unit 1 horizontally disposed, and the directions of arrow of the wherein Fig. 1 into Fig. 4, Fig. 5 represents flow of flue gas direction,
As shown in Figures 1 to 4, each heating demisting unit 1 includes multiple plates 2, and multiple plates 2 are arranged in order in a row, usual institute
State each shape of plate 2 identical, should be arranged in parallel.Exhaust gases passes of the spacing formation for flow of flue gas are left between adjacent plate 2
3, spigot surface 21 of the plate 2 provided with guiding flow of flue gas, when guttiferous flue gas passes through exhaust gases passes 3, flue gas
Drop can not change flow path in time under effect of inertia, hit plate 2 to be trapped on plate 2, in the present invention
Heating demisting unit 1 also include heating unit, realized by heating tube 4, the plate 2 of each heating demisting unit 1 is by adding
Together, the plate 2 is fixed in the heating tube 4 serial or parallel connection of heat pipe 4, and the plate 2 and the heating tube 4 can be with
Be built in sections, can also be integrally formed and the heating demisting unit 1 is made, the heating tube 4 can improve flue-gas temperature, reduce drop
Condensation number, and avoid the generation of low-temperature corrosion.
Three kinds of embodiments of heating demisting unit 1 given below, wherein the first and second of embodiment are plate 2
It is connected in series by heating tube 4, the third embodiment is that plate 2 is connected in parallel by heating tube 4：
The first embodiment, as depicted in figs. 1 and 2, the centre position of each plate 2 are equipped with connecting hole (figure
In do not show), the heating tube 4 sequentially passes through the connecting hole of each plate 2 so that all plates 2 are sequentially fixed at described
In heating tube 4, heating tube 4 can improve the flue-gas temperature in exhaust gases passes 3, it is to avoid the acid dew corrosion of upstream device.
Second of embodiment, as shown in Figure 3 and Figure 4, the heating tube 4 are coiled pipe or U-tube, when the plate 2
Provided with two, the plate 2 can be connected using U rows pipe, when the plate 2 is set more than two, coiled pipe can be used by institute
Plate 2 is stated to be sequentially connected.It is coiled pipe or U row pipes by the heating tube 4 so that the temperature everywhere in the exhaust gases passes 3 is more
Uniformly, the condensation number of drop is more reliably reduced.
The third embodiment, the heating tube 4 includes a heating main, and the heating main is provided with many heating
It is in charge of, every heating is in charge of to be connected with heating main, and the corresponding plate (not shown) of connection, heating are in charge of in every heating
The diameter being in charge of can be selected according to specific suitable environment, and the heating medium flow entered by adjusting changes heating-up temperature.
As shown in Figures 1 to 4, it is preferable that the plate 2 is streamlined or fold-line-shaped, passes through guttiferous flue gas curved
During triton road, drop therein can not change flow path in time under effect of inertia, and hit plate and be trapped in plate
On piece, the purpose of demisting is reached.
Preferably, the heating medium in the heating tube 4 is hot water or hot blast.Preferably, the plate 2 and heating tube 4
It is made of stainless steel, fluoroplastics, polypropylene or fibre reinforced materials.Demister of the present invention can flexible arrangement, may be mounted at
Used in desulfurizing tower separately as demister, the centre position of multi-stage demister can also be arranged on, or be placed under desulfurizing tower
Trip is supported the use as a part for smoke re-heater with smoke re-heater；The present invention can also be used independently as heater, if
Put before demister or after demister.The present invention manufacture, it is easy to use, can preferably safeguard downstream fume gas reheater not by low
Temperature corrosion, with very high economic value and social benefit.
In summary, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. a kind of desulfurizing tower heats demister, it is characterised in that including at least one heating demisting unit (1)；Each heating
Demisting unit (1), which includes leaving spacing formation between multiple plates (2) for being arranged in rows, adjacent plate (2), supplies flow of flue gas
Exhaust gases passes (3), the plate (2) be provided with spigot surface (21)；The plate (2) of each heating demisting unit (1) is by adding
Heat pipe (4) is connected, and the plate (2) is fixedly connected in the heating tube (4).
2. desulfurizing tower according to claim 1 heats demister, it is characterised in that：The centre position of the plate (2)
Provided with connecting hole, the heating tube (4) sequentially passes through the connecting hole of each plate (2).
3. desulfurizing tower according to claim 1 heats demister, it is characterised in that：The heating tube (4) is coiled pipe
Or U-tube.
4. desulfurizing tower according to claim 1 heats demister, it is characterised in that：It is total that the heating tube includes heating
Pipe, the heating main is in charge of provided with many heating, and the corresponding plate of connection is in charge of in every heating.
5. desulfurizing tower according to claim 1 heats demister, it is characterised in that：The heating demisting unit (1) sets
Have two or more, be sequentially arranged along flow of flue gas direction.
6. desulfurizing tower according to claim 1 heats demister, it is characterised in that：The plate (2) it is streamlined or
Fold-line-shaped.
7. desulfurizing tower according to claim 1 heats demister, it is characterised in that：Heating in the heating tube (4)
Medium is hot water or hot blast.
8. desulfurizing tower according to claim 1 heats demister, it is characterised in that：The plate (2) and heating tube (4)
It is made of SUS316L steel, SUS317L steel, fluoroplastics, polypropylene or fibre reinforced materials.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592949.9A CN107281820A (en) | 2017-07-19 | 2017-07-19 | Desulfurizing tower heats demister |
| PCT/CN2018/092104 WO2019015443A1 (en) | 2017-07-19 | 2018-06-21 | Heating and demisting apparatus of desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592949.9A CN107281820A (en) | 2017-07-19 | 2017-07-19 | Desulfurizing tower heats demister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107281820A true CN107281820A (en) | 2017-10-24 |
Family
ID=60102252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710592949.9A Pending CN107281820A (en) | 2017-07-19 | 2017-07-19 | Desulfurizing tower heats demister |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107281820A (en) |
| WO (1) | WO2019015443A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015443A1 (en) * | 2017-07-19 | 2019-01-24 | 上海伏波环保设备有限公司 | Heating and demisting apparatus of desulfurization tower |
| CN109395494A (en) * | 2018-12-12 | 2019-03-01 | 稳中环保科技投资(广州)有限公司 | A kind of intelligence harmful substance-processing apparatus |
| CN111729407A (en) * | 2020-06-09 | 2020-10-02 | 范兰 | Oil removing and whitening device |
| CN111974192A (en) * | 2019-05-22 | 2020-11-24 | 镇江东亚碳素焦化有限公司 | Desulfurization system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202343016U (en) * | 2011-11-02 | 2012-07-25 | 浙江宏电环保科技有限公司 | Integrated demister module |
| CN202682935U (en) * | 2012-07-05 | 2013-01-23 | 上海瑞亚安环保设备有限公司 | Demister blade spaced fixing structure |
| CN104623985A (en) * | 2015-01-30 | 2015-05-20 | 福建龙净环保股份有限公司 | Flue gas heating device and flue gas processor thereof |
| CN105781744A (en) * | 2016-04-26 | 2016-07-20 | 哈尔滨工程大学 | Gas turbine gas and water separation blade with anti-icing function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161647A (en) * | 1998-12-01 | 2000-06-16 | Babcock Hitachi Kk | Waste gas processing device, and gas re-heater |
| CN203017796U (en) * | 2013-01-09 | 2013-06-26 | 永清环保股份有限公司 | Dehumidifying defogging device of moisture in condensed smoke |
| CN105983287A (en) * | 2015-01-27 | 2016-10-05 | 德梅斯特(上海)环保科技有限公司 | High-effective dust and mist removal integrated system |
| CN107281820A (en) * | 2017-07-19 | 2017-10-24 | 上海伏波环保设备有限公司 | Desulfurizing tower heats demister |
-
2017
- 2017-07-19 CN CN201710592949.9A patent/CN107281820A/en active Pending
-
2018
- 2018-06-21 WO PCT/CN2018/092104 patent/WO2019015443A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202343016U (en) * | 2011-11-02 | 2012-07-25 | 浙江宏电环保科技有限公司 | Integrated demister module |
| CN202682935U (en) * | 2012-07-05 | 2013-01-23 | 上海瑞亚安环保设备有限公司 | Demister blade spaced fixing structure |
| CN104623985A (en) * | 2015-01-30 | 2015-05-20 | 福建龙净环保股份有限公司 | Flue gas heating device and flue gas processor thereof |
| CN105781744A (en) * | 2016-04-26 | 2016-07-20 | 哈尔滨工程大学 | Gas turbine gas and water separation blade with anti-icing function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015443A1 (en) * | 2017-07-19 | 2019-01-24 | 上海伏波环保设备有限公司 | Heating and demisting apparatus of desulfurization tower |
| CN109395494A (en) * | 2018-12-12 | 2019-03-01 | 稳中环保科技投资(广州)有限公司 | A kind of intelligence harmful substance-processing apparatus |
| CN111974192A (en) * | 2019-05-22 | 2020-11-24 | 镇江东亚碳素焦化有限公司 | Desulfurization system |
| CN111729407A (en) * | 2020-06-09 | 2020-10-02 | 范兰 | Oil removing and whitening device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019015443A1 (en) | 2019-01-24 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |
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| RJ01 | Rejection of invention patent application after publication |