CN109012067A - A kind of efficient desulfurizing and dust collecting process and equipment - Google Patents
A kind of efficient desulfurizing and dust collecting process and equipment Download PDFInfo
- Publication number
- CN109012067A CN109012067A CN201810642897.6A CN201810642897A CN109012067A CN 109012067 A CN109012067 A CN 109012067A CN 201810642897 A CN201810642897 A CN 201810642897A CN 109012067 A CN109012067 A CN 109012067A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- heat exchange
- desulfurizing
- dust collecting
- desulfurizing tower
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of efficient desulfurizing and dust collecting process, comprising the following steps: 1, flue gas heat exchange；2, flue gas desulfurization；3, reaction water treatment；4, aqueous solution monitors；5, water circulation use；6, flue gas ash removal；7, flue gas；8, it discharges fume.The invention also discloses a kind of efficient desulfurizing and dust collecting equipment, including smoke outlet, smoke outlet connects heat exchange box, sets heat exchanger plates in heat exchange box, connects desulfurizing tower into cigarette district, sprinkler tip is set at the top of desulfurizing tower, desulfurizing tower connects dirt pocket by smoke pipeline by rotation axis connection pivoting leaf, desulfurizing tower, and desulfurizing tower connects Calcified pond and alkaline pond by sedimentation basin, alkaline pond sets PH detector, and alkaline pond connects sprinkler tip by water pipe.The present invention is recycled by the reaction water in heat exchange box and desulfurizing tower, avoids secondary pollution, improves the utilization rate of the energy；Pivoting leaf is set in desulfurizing tower and improves desulphurization reaction efficiency, so that sulfide in flue gas reaction is thoroughly, reduces erosion of the flue gas to inner wall.
Description
Technical field
The present invention relates to smoke gas treatment technical fields, and in particular to a kind of efficient desulfurizing and dust collecting process and equipment.
Background technique
During carrying out industrial production, industrial smoke can be generated, a large amount of harmful substances are contained in these flue gases,
Middle sulfide is the most significant, and sulfide follows flue gas to discharge into the atmosphere and causes acid rain, causes environmental pollution, also contains in flue gas
A large amount of dusts and deleterious particle, discharge into the atmosphere and pollute to atmosphere, and the flue gas of present industrial production discharge all can be through
Can be just discharged into atmosphere after crossing certain processing, present processing is generally divided into wet process and two kinds of dry method, now the most commonly used is
Wet method sulphur removing and dust removing is reacted in desulfurizing tower by the sulfide in flue gas with solution, current wet desulphurization be all according to
By the mobility of flue gas itself reacted in desulfurizing tower after discharge, this mode, flue gas is easy to save bit by bit in desulfurizing tower
Flowing, causes desulfurization to be not thorough, and reaction is uneven, and can erosion desulfurization inner wall of tower；Present wet desulfurizing dust-remover structure
Complexity, and secondary pollution can be generated；Contain amount of heat in the flue gas just generated, but the flue-gas temperature after desulfurization is too low,
The flue gas of low temperature can generate low-temperature corrosion and the atmosphere hoist height that falls progressively, present technology be all flue gas discharge when to flue gas into
Row heating, does not utilize the flue gas before desulfurization, wastes big energy, utilization rate is not high, inadequate economical environment-protective.
Summary of the invention
The main purpose of the present invention is to provide a kind of efficient desulfurizing and dust collecting process and equipment, can effectively solve background skill
Present cleaner desulfurization is not thorough, reacts uneven in art, flue gas is easy erosion inner wall, and structure is complicated, it is secondary to be easy to cause
The low problem of pollution, energy utilization rate.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of efficient desulfurizing and dust collecting process, comprising the following steps: 1, flue gas heat exchange: after cigarette is discharged in boiler, by heat exchange box,
Cooled down by the heat exchanger plates in heat exchange box to flue gas；2, flue gas desulfurization: the flue gas after heat exchange enters desulfurization chamber, desulfurization chamber
Wet desulphurization is carried out to flue gas, the acid water of desulphurization reaction flows to sedimentation basin by sewage mouth；3, reaction water treatment: toward acid water
Interior plus lime generates slightly solubility sediment by reaction, and the supernatant water after reaction is alkaline aqueous solution；4, aqueous solution monitors: logical
It crosses pH detector to detect supernatant after reaction, pH value required for desulfurization is maintained by addition alkaline matter；5, water follows
Ring utilizes: the water solution cycle that detection reaches pH value is reused into flue gas desulfurization room；6, flue gas ash removal: the cigarette after desulfurization
Gas is dusted processing to it；7, flue gas: the flue gas after dedusting heats flue gas by heat exchange box；8, it discharges fume: adding
Flue gas after heat is discharged by chimney.
Preferably, in step 4, alkaline aqueous solution can be industrial neutral and alkali waste water, recycle to industrial wastewater,
Increase environmentally friendly utilization rate.
Preferably, the aqueous solution recycled in step 5 is filtered, and prevents aqueous solution from containing impurity, and blocking follows
Loop system.
A kind of efficient desulfurizing and dust collecting equipment, including smoke outlet, smoke outlet connect heat exchange box, set heat exchanger plates in heat exchange box, change
Hot plate is divided into heat exchange box into cigarette district and smoke evacuation area, connects desulfurizing tower into cigarette district, sets sprinkler tip at the top of desulfurizing tower, desulfurizing tower is set
Pivoting leaf, pivoting leaf are connect by rotary shaft with desulfurizing tower, and desulfurizing tower connects dirt pocket, dirt pocket connection row by smoke pipeline
Cigarette district, smoke evacuation area connect chimney, and desulfurization tower bottom sets sewage mouth, and sewage mouth connects sedimentation basin, and sedimentation basin connects Calcified pond, precipitating
Pond connects alkaline pond, and alkaline pond sets PH detector, and alkaline pond connects sprinkler tip by water pipe.
Preferably, partition is set in desulfurizing tower, by segmentation flue gas, flows up flue gas, rotated using pivoting leaf, flue gas
It flows downward, increases the flow path of flue gas, improve the reaction rate of flue gas.
Preferably, desulfurization tower bottom is convex shape, so that the acid water quick collecting discharge after reaction.
Preferably, dirt pocket 8 is U-shaped shape, and U-shaped both ends are separately connected desulfurizing tower smoke pipeline and heat exchange box smoke evacuation area, make
Flue gas increases purifying rate with by increasing at a distance from dedusting liquid.
Preferably, cleaning mouth is set on U-shaped, after a period of use, dedusting liquid is discharged, by cleaning mouth to the precipitating of bottom
Object is cleared up.
Preferably, alkaline pond and water pipe junction set strainer, for filtering out impurity, prevent impurity from blocking sprinkler tip.
Compared with traditional technology, the beneficial effect comprise that: by the reaction water in heat exchange box and desulfurizing tower into
Row recycles, and avoids secondary pollution, improves the utilization rate of the energy；Pivoting leaf is set in desulfurizing tower and improves desulphurization reaction efficiency, is made
It obtains sulfide in flue gas reaction thoroughly, reduces erosion of the flue gas to inner wall.The configuration of the present invention is simple operates convenient, operating efficiency
Height, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
In figure: 1, smoke outlet；2, heat exchange box；21, smoke evacuation area；22, into cigarette district；3, heat exchanger plates；4, desulfurizing tower；5, watering spray
Head；6, rotary shaft；7, pivoting leaf；8, dirt pocket；9, sedimentation basin；10, Calcified pond；11, alkaline pond；12, PH detector；13, it filters
Net；14, water pipe；15, partition；16, smoke pipeline；17, chimney；18, sewage mouth.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
A kind of efficient desulfurizing and dust collecting process, comprising the following steps: 1, flue gas heat exchange: after cigarette is discharged in boiler, by heat exchange box,
Cooled down by the heat exchanger plates in heat exchange box to flue gas；2, flue gas desulfurization: the flue gas after heat exchange enters desulfurization chamber, desulfurization chamber
Wet desulphurization is carried out to flue gas, the acid water of desulphurization reaction flows to sedimentation basin by sewage mouth；3, reaction water treatment: toward acid water
Interior plus lime generates slightly solubility sediment by reaction, and the supernatant water after reaction is alkaline aqueous solution；4, aqueous solution monitors: logical
It crosses pH detector to detect supernatant after reaction, pH value required for desulfurization is maintained by addition alkaline matter；5, water follows
Ring utilizes: the water solution cycle that detection reaches pH value is reused into flue gas desulfurization room；6, flue gas ash removal: the cigarette after desulfurization
Gas is dusted processing to it；7, flue gas: the flue gas after dedusting heats flue gas by heat exchange box；8, it discharges fume: adding
Flue gas after heat is discharged by chimney.
As shown in Figure 1, a kind of efficient desulfurizing and dust collecting equipment, including smoke outlet 1, smoke outlet 1 connect heat exchange box 2, heat exchange box 2
Heat exchanger plates 3 are inside set, heat exchanger plates 3 are divided into heat exchange box 2 into cigarette district 22 and smoke evacuation area 21, connect desulfurizing tower 4, desulfurizing tower into cigarette district 22
4 tops set sprinkler tip 5, and desulfurizing tower 4 sets pivoting leaf 7, and pivoting leaf 7 is connect by rotary shaft 6 with desulfurizing tower 4, and desulfurizing tower 4 passes through
Smoke pipeline 16 connects dirt pocket 8, the connection smoke evacuation of dirt pocket 8 area 21, and smoke evacuation area 21 connects chimney 17, and 4 bottom of desulfurizing tower sets dirt
The mouth of a river 18, sewage mouth 8 connect sedimentation basin 9, and sedimentation basin 9 connects Calcified pond 10, and sedimentation basin 9 connects alkaline pond 11, and alkaline pond 11 is set
PH detector 12, alkaline pond 11 connect sprinkler tip 5 by water pipe 14.
In the present embodiment, partition 15 is set in desulfurizing tower 4, by dividing flue gas, is flowed up flue gas, is revolved using pivoting leaf
Turn, flue gas flows downward, and increases the flow path of flue gas, improves the reaction rate of flue gas.
In the present embodiment, 4 bottom of desulfurizing tower is convex shape, so that the acid water quick collecting discharge after reaction.
In the present embodiment, dirt pocket 8 is U-shaped shape, and U-shaped both ends are separately connected desulfurizing tower smoke pipeline and heat exchange box smoke evacuation
Area makes flue gas with by increasing at a distance from dedusting liquid, increases purifying rate.
Cleaning mouth is set in the present embodiment, on U-shaped, after a period of use, dedusting liquid is discharged, by cleaning mouth to bottom
Sediment is cleared up.
In the present embodiment, alkaline pond 11 sets strainer 13 with 14 junction of water pipe, for filtering out impurity, prevents impurity from blocking
Sprinkler tip.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (9)
- , flue gas heat exchange 1. a kind of efficient desulfurizing and dust collecting process, comprising the following steps: (1): after cigarette is discharged in boiler, by heat exchange box, Cooled down by the heat exchanger plates in heat exchange box to flue gas；(2), flue gas desulfurization: the flue gas after heat exchange enters desulfurization chamber, desulfurization Room carries out wet desulphurization to flue gas, and the acid water of desulphurization reaction flows to sedimentation basin by sewage mouth；(3), reaction water treatment: toward acid Property water in plus lime, generate slightly solubility sediment by reaction, supernatant water after reaction is alkaline aqueous solution；(4), aqueous solution is supervised It surveys: supernatant after reaction being detected by pH detector, pH value required for desulfurization is maintained by addition alkaline matter； (5), water circulation use: the water solution cycle that detection reaches pH value is reused into flue gas desulfurization room；(6), flue gas ash removal: Flue gas after desulfurization is dusted processing to it；(7), flue gas: the flue gas after dedusting adds flue gas by heat exchange box Heat；(8), discharge fume: the flue gas after heating is discharged by chimney.
- 2. a kind of efficient desulfurizing and dust collecting process according to claim 1, it is characterised in that: in the step 4, alkalinity is water-soluble Liquid can be industrial neutral and alkali waste water, recycle to industrial wastewater, increase environmentally friendly utilization rate.
- 3. a kind of efficient desulfurizing and dust collecting process according to claim 1, it is characterised in that: recycled in the step 5 The aqueous solution utilized is filtered, and prevents aqueous solution from containing impurity, blocks the circulatory system.
- 4. a kind of efficient desulfurizing and dust collecting equipment needed for right 1, including smoke outlet, it is characterised in that: the smoke outlet connection Heat exchange box sets heat exchanger plates in the heat exchange box, and the heat exchanger plates are divided into heat exchange box into cigarette district and smoke evacuation area, described to connect into cigarette district Desulfurizing tower is connect, sprinkler tip is set at the top of the desulfurizing tower, the desulfurizing tower sets pivoting leaf, and the pivoting leaf is by rotary shaft and takes off The connection of sulphur tower, the desulfurizing tower connect dirt pocket, the dirt pocket connection smoke evacuation area, the smoke evacuation area connection by smoke pipeline Chimney, the desulfurization tower bottom set sewage mouth, and the sewage mouth connects sedimentation basin, and the sedimentation basin connects Calcified pond, described heavy Shallow lake pond connects alkaline pond, and the alkalinity pond sets PH detector, and the alkalinity pond connects sprinkler tip by water pipe.
- 5. a kind of efficient desulfurizing and dust collecting equipment according to claim 4, it is characterised in that: set partition in the desulfurizing tower.
- 6. a kind of efficient desulfurizing and dust collecting equipment according to claim 4, it is characterised in that: the desulfurization tower bottom is convex Shape.
- 7. a kind of efficient desulfurizing and dust collecting equipment according to claim 4, it is characterised in that: U-type groove is set in the dirt pocket, The U-type groove both ends are separately connected desulfurizing tower smoke pipeline and heat exchange box smoke evacuation area.
- 8. a kind of efficient desulfurizing and dust collecting equipment according to claim 4, it is characterised in that: the U-lag sets cleaning mouth.
- 9. a kind of efficient desulfurizing and dust collecting equipment according to claim 4, it is characterised in that: the alkalinity pond is connect with water pipe Place sets strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642897.6A CN109012067A (en) | 2018-06-21 | 2018-06-21 | A kind of efficient desulfurizing and dust collecting process and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642897.6A CN109012067A (en) | 2018-06-21 | 2018-06-21 | A kind of efficient desulfurizing and dust collecting process and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109012067A true CN109012067A (en) | 2018-12-18 |
Family
ID=64610503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810642897.6A Pending CN109012067A (en) | 2018-06-21 | 2018-06-21 | A kind of efficient desulfurizing and dust collecting process and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109012067A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201101939Y (en) * | 2007-08-27 | 2008-08-20 | 于波涛 | Desulfurating dust removing device for flue gas |
| CN106540529A (en) * | 2016-12-23 | 2017-03-29 | 大连海事大学 | A kind of gas pollutant integrated treatment unit |
| CN207137677U (en) * | 2017-12-25 | 2018-03-27 | 詹伟南 | A kind of novel waste gas treatment device |
-
2018
- 2018-06-21 CN CN201810642897.6A patent/CN109012067A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201101939Y (en) * | 2007-08-27 | 2008-08-20 | 于波涛 | Desulfurating dust removing device for flue gas |
| CN106540529A (en) * | 2016-12-23 | 2017-03-29 | 大连海事大学 | A kind of gas pollutant integrated treatment unit |
| CN207137677U (en) * | 2017-12-25 | 2018-03-27 | 詹伟南 | A kind of novel waste gas treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 岳涛等主编: "《工业锅炉大气污染控制技术与应用》", 30 November 2016, 中国环境出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207137617U (en) | Store kiln gas purifier | |
| CN206566727U (en) | Waste gas cleaning system for injection machine | |
| CN107777820B (en) | Process for applying waste heat of exhaust steam of air cooling island to zero discharge treatment of wastewater of thermal power plant | |
| CN208008493U (en) | A kind of equipment that flue residue heat is used for Waste Water From Fire Power Plant zero discharge treatment | |
| CN202700306U (en) | Efficient wet type venturi pipe combined dedusting desulfurizer | |
| CN101972578A (en) | Rotary kiln flue gas treating device capable of automatically controlling blowing rate of draught fan | |
| CN112121567A (en) | Dedusting treatment system and method for flue gas of steel slag hot stewing pool | |
| CN102847400B (en) | Flue gas dedusting and desulfurization system for medium-small size coal fired boiler | |
| CN206204347U (en) | A kind of coal gas of converter double tower cooling and purifying recovery system | |
| CN105148716A (en) | Flue gas desulfurization tower for coal-fried boilers | |
| CN109351143A (en) | A kind of Industrial Boiler with can waste heat recycling Refining Equipmeut for Desulfuration in Gas | |
| CN103691294B (en) | Wet type double alkali method desulfurizing dust arrester and technique | |
| CN206391808U (en) | A kind of steel mill dust arrester | |
| CN207769482U (en) | A kind of sludge incineration tail gas processing system | |
| CN109012067A (en) | A kind of efficient desulfurizing and dust collecting process and equipment | |
| CN103614509B (en) | A kind of carbon steel converter dry cloth bag dedusting process of whole process recovery waste heat and device thereof | |
| CN213221491U (en) | Biomass fuel boiler flue gas purification device | |
| CN214019842U (en) | Dedusting treatment system for flue gas of steel slag hot stewing pool | |
| CN205435276U (en) | Flue dust purification device | |
| CN211328868U (en) | High-efficient gas desulfurization device | |
| CN204073751U (en) | A kind of dedusting and desulphurization integrated system based on spray drying tower | |
| CN202993238U (en) | Boiler flue heat recovery energy-saving and environment-friendly system | |
| CN208389773U (en) | A kind of condensing type heating stove wet-desulfurizing dust remover | |
| CN102954481B (en) | Boiler flue heat recovery energy-conserving and environment-protective system | |
| CN206886713U (en) | Improved desulfurizing waste water processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
|
| RJ01 | Rejection of invention patent application after publication |