CN206566745U - A kind of small-sized industrial boiler flue gas desulfurization device - Google Patents
A kind of small-sized industrial boiler flue gas desulfurization device Download PDFInfo
- Publication number
- CN206566745U CN206566745U CN201720269798.9U CN201720269798U CN206566745U CN 206566745 U CN206566745 U CN 206566745U CN 201720269798 U CN201720269798 U CN 201720269798U CN 206566745 U CN206566745 U CN 206566745U
- Authority
- CN
- China
- Prior art keywords
- desulfurizing tower
- flue gas
- small
- gas desulfurization
- industrial boiler
- 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.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of small-sized industrial boiler flue gas desulfurization device, it is complicated that it solves desulphurization plant in the prior art, build the problem of cost is high, realize the treatment of wastes with processes of wastes against one another, calcium carbonate, magnesia, ammoniacal liquor, seawater resources and its processing cost are saved again, are more simplified numerous and diverse desulphurization system, are reduced investment cost, the discharge of accessory substance is considerably reduced, its scheme used is：A kind of small-sized industrial boiler flue gas desulfurization device, including the desulfurizing tower with packing area, desulfurizing tower side is connected to be passed through alkaline mine water into desulfurizing tower with mine water storage tank by pipeline, desulfurizing tower is provided with smoke inlet, exhanst gas outlet is provided with the top of desulfurizing tower, mine water inlet is set on the top of packing area.
Description
Technical field
The utility model is related to industrial waste gas purifying environmental protection and energy field, more particularly to a kind of small-sized industrial boiler cigarette
Desulfurization device.
Background technology
In order to ensure downhole safety during coal production, it is necessary to exclude substantial amounts of mine water.Mine water is mainly derived from underground
In water, process of coal mining, underground water is contacted with coal and rock beds, occurs a series of physical, chemistry and biochemical reaction, and its characteristic takes
Certainly in the geological environment and the mineral chemical composition of coal measure strata of coal-forming.
With infrared ray light shine Coal Resource Development, inflow rate of mine water and water in gob area amount constantly increase, in 2006
Great Liu towers ore deposit, live chickens rabbit well, Shang Wankuang, benefit Lian Takuang, Harrar Gou Kuang, stone Ge platforms ore deposit, Ulan Mulun ore deposit mine year water yield are put down
It is 1470.5m3/ h, total amount adds up to 1266.7 ten thousand m3.PH is generally 7.5~8.37 in infrared ray light shine mine water, and category is neutral~
Alkalescent water；Salinity excursion is 341.6~1915.4mg/L, belongs to fresh water~brackish water, water quality type is mainly SO4·
Cl(HCO3)-Na type water, it is mainly Ca, K, Mg etc. containing salt component, soluble solids and sulfate radical, the chlorion of part water quality contain
Amount is exceeded, and hardness is higher, substantially belongs to high suspended matter mine water.
Mining area coal-fired industry arcola is mainly used in well head insulation, provides bath water and mining area heat supply, and most of arcolas do not have
There is SO in the effective desulphurization plant of outfit, actual boiler emission flue gas2Concentration about 400~1000mg/Nm3, result in environment
Pollution；Or it is a small number of using numerous and diverse equipment progress desulfurization, it is complicated, and need other buying lime stone, lime etc. de-
Sulphur agent, builds cost higher.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of small-sized industrial boiler flue gas desulfurization device,
The device makes the compositions such as bicarbonate radical in mine water, calcium, magnesium ion be applied in flue gas desulfurization using alkaline mine water, both real
The treatment of wastes with processes of wastes against one another is showed, the resources such as calcium carbonate, magnesia, ammoniacal liquor, seawater is saved again, more simplified numerous and diverse desulphurization system, dropped
Low investment cost.
A kind of concrete scheme of small-sized industrial boiler flue gas desulfurization device is as follows：
A kind of small-sized industrial boiler flue gas desulfurization device, including：
Desulfurizing tower with packing area, desulfurizing tower side is connected to be passed through alkali into desulfurizing tower with mine water storage tank by pipeline
Property mine water, desulfurizing tower is provided with smoke inlet, exhanst gas outlet is provided with the top of desulfurizing tower, sets mine water to enter on the top of packing area
Mouthful.
Above-mentioned flue gas desulfurization device, makes mine water fully be contacted with flue gas by filler, containing a large amount of in alkaline mine water
HCO3 -, alkaline mine water is as desulfurization absorbent, instead of the limestone/lime in wet desulfurizing process, magnesia, ammonia/ammonia
Water, seawater, with reference to wet desulfuration tower, simplify numerous and diverse desulphurization system, reduce flue gas flow rate in investment cost, desulfurizing tower and lead to
Controlled in the case of often in 2-3m/s.
The main chemical reactions of desulfurization are following (by taking bicarbonate radical as an example)：
Key reaction in slurries is：
SO2+H2O=H2SO3
Other reactions：
MCO3+H2SO3——→MSO3+CO2+H2O
HF+M(HCO3)2——→MF2+CO2+H2O
HCl+M(HCO3)2——→MCl2+CO2+H2O
Further, in order to be utilized to desulfurization waste liquor, the desulfurization tower bottom is connected with sedimentation basin, sedimentation basin and ore deposit
Well water processing unit is connected, and supernatant can return to treating mine drainage unit and carry out in subsequent treatment, sedimentation basin in sedimentation basin
Sludge can be cleared regularly, be handled together with boiler ash.
In order to which mine water and flue gas are fully contacted in reinforcing desulfuration tower, arrangement air gun, air in the desulfurizing tower
Spray gun is connected with oxidation fan, and air gun is located at the lower section of packing area.
Convenient to drain the mine water in pipeline in order to after delivery pump stops, the bottom of the pipeline is provided with atmospheric valve
Door, in addition, eroding velocity of the slurries in wear-resisting pipeline is more than the scale velocity of mine water, therefore may be selected less pipeline pipe
Footpath.
Mechanical demister is set at the top of the desulfurizing tower, and demister is located at the top of mine water inlet, for removing
The drop carried in flue gas, to reduce the corrosion to chimney.
Because having higher chlorine ion concentration in mine water, accordingly, it would be desirable to antiseptic control is carried out to whole system, it is described de-
The material of sulphur tower is glass-lined steel scale or fiberglass, and glass steel material is plastic due to its anticorrosive anti-wear, short construction period, material
Property it is strong the features such as, during applied to desulfurizing tower more economically be applicable.
The material of the pipeline is fiberglass or PP materials.
Compared with prior art, the beneficial effects of the utility model are：
1) mine water is made to be applied in flue gas desulfurization by the connection of mine water storage tank and desulfurizing tower in the utility model,
Waste liquid after desulfurization returns to treating mine drainage unit, both realizes the treatment of wastes with processes of wastes against one another, calcium carbonate, magnesia, ammoniacal liquor, sea are saved again
Water resource and its processing cost, more simplify numerous and diverse desulphurization system, reduce investment cost, considerably reduce accessory substance
Discharge, can produce good environmental benefit and social benefit.
2) corrosion in the utility model in order to avoid chlorion to equipment such as pipelines, the special material to desulfurizing tower and pipeline etc.
Material is selected, and effectively extends the service life of device.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is the simplified schematic diagram of device in the utility model；
Arrangement figure in desulfurizing tower in Fig. 2 the utility model；
Shown in figure：1. oxidation fan, 2. mine water storage tanks, 3. desulfurizing towers, 4. smoke inlets, 5. sedimentation basins, 6. mines
Unit for treating water, 7. exhanst gas outlets, 8. demisters, 9. mine water inlets, 10. packing areas, 12. oxidation troughs.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As the deficiency that background technology is introduced, and mining area desulphurization plant present in prior art lacks, equipment is numerous and diverse,
In order to solve technical problem as above, present applicant proposes a kind of small-sized industrial boiler flue gas desulfurization device.
In a kind of typical embodiment of the application, there is provided a kind of small-sized industrial boiler flue gas desulfurization as shown in Figure 1
Device, the device includes the desulfurizing tower 3 with packing area, and the side of desulfurizing tower 3 and mine water storage tank 2 are connected with to desulfurization by pipeline
Alkaline mine water is passed through in tower 3, desulfurizing tower 3 is provided with smoke inlet 4, and the top of desulfurizing tower 3 is provided with exhanst gas outlet, in packing area 10
Top sets mine water inlet 9.
Mine water is set fully to be contacted with flue gas by filler in above-mentioned flue gas desulfurization device, the device, in alkaline mine water
Contain substantial amounts of HCO3 -, alkaline mine water is as desulfurization absorbent, instead of in the limestone-gypsum method in wet desulfurizing process
Limestone/lime, the magnesia in magnesium processes desulfurization, the ammoniacal liquor in the ammonia process of desulfurization, seawater in sea water desulfuration etc., make mine water should
Use in flue gas desulfurization, the waste liquid after desulfurization returns to treating mine drainage unit, both realizes the treatment of wastes with processes of wastes against one another, carbonic acid is saved again
Calcium, magnesia, ammoniacal liquor, seawater resources and its processing cost, more simplify numerous and diverse desulphurization system, reduce investment cost, pole
The earth reduces the discharge of accessory substance, can produce good environmental benefit and social benefit.
In said process, the main chemical reactions of desulfurization are following (by taking bicarbonate radical as an example)：
Key reaction in slurries is：
SO2+H2O=H2SO3
Other reactions：
MCO3+H2SO3——→MSO3+CO2+H2O
HF+M(HCO3)2——→MF2+CO2+H2O
HCl+M(HCO3)2——→MCl2+CO2+H2O
By above-mentioned course of reaction, realize to SO2Removal, it is described in order to not make desulfurization waste liquor cause secondary pollution
Desulfurization tower bottom is connected with sedimentation basin 5, and sedimentation basin 5 is connected with treating mine drainage unit 6, and supernatant can return in sedimentation basin 5
The sludge that treating mine drainage unit 6 is carried out in subsequent treatment, sedimentation basin can be cleared regularly, be handled together with boiler ash.
Arranged in order to which the sulphite produced after mine water and smoke contacts is converted into sulfate, the desulfurizing tower 3
Air gun, air gun is connected with oxidation fan 1, and air gun is located at the lower section of smoke inlet 4, so in desulfurizing tower 3
Oxidation trough 12 is formed on bottom.
Convenient to drain the mine water in pipeline in order to after delivery pump stops, the bottom of the pipeline is provided with atmospheric valve
Door, in addition, eroding velocity of the slurries mine water in wear-resisting pipeline is more than the scale velocity of mine water, therefore may be selected less
Pipeline caliber, to improve the flowing velocity of mine water.
Mechanical demister 8 is set at the top of the desulfurizing tower 3, and demister 8 is located at the top of mine water inlet 9, is used for
The drop carried in flue gas is removed, to reduce the corrosion to chimney.
Because having higher chlorine ion concentration in mine water, accordingly, it would be desirable to antiseptic control is carried out to whole system, it is described de-
The material of sulphur tower is glass-lined steel scale or fiberglass, and glass steel material is plastic due to its anticorrosive anti-wear, short construction period, material
Property it is strong the features such as, during applied to desulfurizing tower more economically be applicable.
In addition, the material of the pipeline is fiberglass or PP materials, to possess antiseptic property.In the chemical composition of mine water
Alkaline components content is different, to determine mine water consumption according to specific constituent analysis when being applied as desulfurizing agent.With pH value
For 8.1~8.3, HCO3 -Concentration is about 1200mg/L, CO3 2-Exemplified by the mine water that concentration is about 100mg/L, through measuring, ore deposit
Well water is to SO2Absorptive capacity be about 1~1.06kg/m3。
Just for example, for 1,10t/h boilers, exhaust gas volumn is about 30,000 Nm3/ h, uses the low-sulfur coal of sulphur content 0.5%,
Air-introduced machine exhaust gas temperature is 150 DEG C, SO in flue gas2Content is 890mg/Nm3.Mine water used in the project, pH value be 8.1~
8.3, HCO3 -Concentration is about 1200mg/L, CO3 2-Concentration is about 100mg/L.
Calculated according to said apparatus, desulfurizer is normally after operation, and flue gas exit temperature is 50 DEG C or so, and outlet is net
SO in flue gas2Concentration ＜ 400mg/Nm3, desulfuration efficiency is about 60~80%, and mine water traffic demand is about per hour for normal operation
14m3。
It can be seen that, the utility model has suitable desulfurization performance and desulfuration efficiency, disclosure satisfy that the industry for using low-sulfur coal
Arcola SO2Emission request, cost is only the 1/2 of conventional wet desulphurization system, shows good effect.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (7)
1. a kind of small-sized industrial boiler flue gas desulfurization device, it is characterised in that including：
Desulfurizing tower with packing area, desulfurizing tower side is connected to be passed through alkaline ore deposit into desulfurizing tower with mine water storage tank by pipeline
Well water, desulfurizing tower is provided with the top of smoke inlet, desulfurizing tower and is provided with exhanst gas outlet, and mine water inlet is set on the top of packing area.
2. a kind of small-sized industrial boiler flue gas desulfurization device according to claim 1, it is characterised in that the desulfurizing tower bottom
Portion is connected with sedimentation basin, and sedimentation basin is connected with treating mine drainage unit.
3. a kind of small-sized industrial boiler flue gas desulfurization device according to claim 1, it is characterised in that in the desulfurizing tower
Air gun is arranged, air gun is connected with oxidation fan.
4. a kind of small-sized industrial boiler flue gas desulfurization device according to claim 1, it is characterised in that the bottom of the pipeline
Portion is provided with emptying valve.
5. a kind of small-sized industrial boiler flue gas desulfurization device according to claim 1, it is characterised in that in the desulfurizing tower
Top mechanical demister is set.
6. a kind of small-sized industrial boiler flue gas desulfurization device according to claim 1, it is characterised in that the desulfurizing tower
Material is glass-lined steel scale or fiberglass.
7. a kind of small-sized industrial boiler flue gas desulfurization device according to claim 1, it is characterised in that the material of the pipeline
Expect for fiberglass or PP materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269798.9U CN206566745U (en) | 2017-03-20 | 2017-03-20 | A kind of small-sized industrial boiler flue gas desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269798.9U CN206566745U (en) | 2017-03-20 | 2017-03-20 | A kind of small-sized industrial boiler flue gas desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206566745U true CN206566745U (en) | 2017-10-20 |
Family
ID=60055838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720269798.9U Active CN206566745U (en) | 2017-03-20 | 2017-03-20 | A kind of small-sized industrial boiler flue gas desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206566745U (en) |
-
2017
- 2017-03-20 CN CN201720269798.9U patent/CN206566745U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101797466B (en) | Wet flue gas desulphurizing method utilizing carbide slag slurry and device thereof | |
| RU2449828C2 (en) | Method to reduce co2 concentration in fluid and device to this end | |
| US10875785B2 (en) | Recovery of valuable resources from produced water and coal combustion products | |
| CN103480260B (en) | Wet flue gas desulphurization technology by utilization of ethylene waste lye | |
| CN101347706A (en) | Flue gas desulfurization technique using dual alkali method with acetylene sludge as recycling agent | |
| CN101983098A (en) | Systems and methods for processing co2 | |
| CN111318156A (en) | Co-treatment method and device for red mud dealkalization and flue gas desulfurization | |
| CN206566745U (en) | A kind of small-sized industrial boiler flue gas desulfurization device | |
| CN206138996U (en) | Novel cement kiln semi -dry desulfurization system | |
| CN108079772A (en) | Desulfurization water system wastewater zero discharge water tracing system and thermal power plant's water system | |
| RU2656289C1 (en) | Brine processing technological system during the gaseous and liquid products underground storages construction in stone salt deposits | |
| CN108479372A (en) | A kind of denitration of boiler smoke dust-extraction unit and its application method | |
| TWI457167B (en) | Apparatus for flue gas desulfurization with zero emission using system for recovery and recycle of magnesium hydroxide | |
| Vyawahre et al. | Acid mine drainage: a case study of an Indian coal mine | |
| CN210595646U (en) | Desulfurization waste water zero release flue evaporation system | |
| CN108607297A (en) | Recycle fluidized bed dry flue gas desulfurization system | |
| CN201634520U (en) | Movable seawater recovery device for seawater desulphurization industrial test | |
| CN214764516U (en) | Device for mineralizing and sealing by carbon dioxide magnesium method | |
| CN205730838U (en) | The device of doctor solution is prepared in a kind of alkaline residue dissolving | |
| CN102580498B (en) | Comprehensive treatment method for high-concentration ammonia nitrogen waste water and boiler flue gas | |
| CN204352706U (en) | A kind of New-type boiler dust removal with desulfurization by water film system | |
| CN209714393U (en) | A kind of fume gas condensation water recovery device | |
| CN104071819B (en) | A kind of gravity treatment air blast oxidation purification technique and device thereof | |
| CN213132299U (en) | Draught fan blade anti-corrosion structure of incinerator tail gas treatment device | |
| CN102120128A (en) | Flue gas desulfurization process for small-sized heating or short-running-cycle boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250014 5th Floor, Swan Building, 157 Lishan Road, Lixia District, Jinan City, Shandong Province Patentee after: Guoneng (Shandong) energy environment Co.,Ltd. Address before: 250014, Shandong City, Ji'nan province Lishan Road No. 173, Lishan County, block B, South four Patentee before: SHANDONG SHENHUA SHANDA ENERGY ENVIRONMENTAL Co.,Ltd. |
|
| CP03 | Change of name, title or address |