CN205973858U - Denitration waste water evaporative concentration ware - Google Patents
Denitration waste water evaporative concentration ware Download PDFInfo
- Publication number
- CN205973858U CN205973858U CN201620700573.XU CN201620700573U CN205973858U CN 205973858 U CN205973858 U CN 205973858U CN 201620700573 U CN201620700573 U CN 201620700573U CN 205973858 U CN205973858 U CN 205973858U
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- Prior art keywords
- evaporation
- scraper plate
- plate
- concentration evaporator
- wastewater concentration
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Abstract
The utility model provides a denitration waste water evaporative concentration ware, includes flue gas heat transmission pipe, support, sprays the mechanism, scrapes sediment mechanism and collection slag chute, flue gas heat transmission pipe cross section is square, and one of which side is evaporating plate, this evaporating plate through the support with spray the mechanism and be connected, spray the mechanism including spraying liquid pipe and a plurality of just right evaporating plate's nozzle, it includes scraper blade and electric motor to scrape sediment mechanism, electric motor drives the scraper blade and scrapes at evaporating plate's surface, the collection slag chute is located under the scraper blade. Compared with the prior art, the utility model discloses a denitration waste water evaporative concentration ware, simple structure, operation stability, convenient operation, strong adaptability and sexual valence relative altitude.
Description
Technical field
The utility model is related to filed of flue gas purification, more particularly, to a kind of denitration wastewater concentration evaporator.
Background technology
China is coal-fired big country, and coal accounts for the 75% of primary energy total quantity consumed.A large amount of consumption of the energy cause seriously
Air environmental pollution, that wherein prominent is SO2The acid rain harm causing with NOx emission, and the ozone layer that NOx causes is broken
Go bad and photochemical fog.At present, China's sulfur dioxide (SO2) emissions total amount occupies first place in the world, the warp that acid rain and sulfur dioxide pollution cause
Ji loss is every year more than 100,000,000,000 yuan.In recent years, country successively puts into effect the multinomial strength that is intended to and advances SO2The measure reducing discharging, delays
The policies and regulations of solution sulfur dioxide (SO2) emissions growth, thermal power plant takes active action, or builds FGD device, or changes clean fuel,
Or adopt clean-burning technology, or close, stop old, little unit, make the SO soaring for many years2Total emission volumn has tentatively been held back
System.However, nitrogen oxides but increasingly highlight it is well known that nitrogen oxides the extent of injury than sulfur dioxide had and
No too late or even more deep and broad, following Acid Rain Pollution of China will control SO from sulfuric acid type to the compound development of sulfuric acid/nitric acid2
Discharge with nitrogen oxides has been extremely urgent.
In multiple denitrating techniques, application wet method ozone denitrating technique carries out denitrating flue gas and processes denitration efficiency height.However,
Nitrate wastewater can be produced, this effluent part can not directly be discharged after denitration, need to be through processing.
Conventional desalination process for waste water has reverse osmosis process, ion-exchange process and evaporation technology.Reverse osmosis process and from
Sub- exchange process construction cost and operating cost are higher.And for middle-size and small-size Industrial Boiler, carried out using evaporation technology
Wastewater treatment, needs the special evaporimeter that designs to carry out processing waste water, can increase investment and operating cost.
Utility model content
The utility model is to overcome the shortcoming of prior art in deficiency, provides a kind of structure to be simple and convenient to operate, is suitable for
The denitration wastewater concentration evaporator that property is strong and cost performance is high.
In order to achieve the above object, the utility model employs the following technical solutions：A kind of denitration wastewater concentration evaporator, bag
Include flue gas heat transfer pipe, support, spraying mechanism, slag scraping mechanism and dreg collecting slot；Described flue gas heat transfer pipe cross section is square, its
One side is evaporation plate, and this evaporation plate is connected with spraying mechanism by support；Described spraying mechanism includes spraying liquid pipe and multiple
Nozzle just to described evaporation plate；Described slag scraping mechanism includes scraper plate and electro-motor, and described electro-motor drives scraper plate steaming
The outer surface sending out plate scrapes；Described dreg collecting slot is located at the underface of described scraper plate.
Further, described electro-motor is connected with one end of scraper plate, and drives scraper plate along connecting shaft in evaporation plate outer surface
90 ° are carried out back rotation.Described electro-motor drives scraper plate to rotate, thus will be (inorganic for the solid-state being attached in evaporation plate evaporation product
Salt crystal and a small amount of lime white) scrape and in dreg collecting slot, concentrate outward transport to process.
Further, described slag scraping mechanism includes the one-to-one scraper plate of multiple and described nozzle and electro-motor.Electronic horse
Reach, scraper plate and nozzle correspond setting, nozzle by waste water be sprayed onto its just to evaporation plate on, high-temperature flue gas and waste water heat transfer
So that waste water is evaporated and obtain solid-state evaporation product and gaseous state evaporation product, solid-state evaporation product is scraped by scraper plate corresponding with this nozzle
Fall in dreg collecting slot.
Further, described nozzle is atomizer.This setting can ensure spray waste water can in evaporation plate evaporating completely.
Further, described nozzle inclination Jet with downward flow direction.
Further, the spray angle of described nozzle is 120 °.This spray angle can reach optimal waste water evaporation effect.
Further, the flow of described nozzle is 10.8L/min.This setting can ensure that the waste water spraying can be complete in evaporation plate
Pervaporation.
Compared to prior art, a kind of denitration wastewater concentration evaporator of the present utility model, structure is simple, by high temperature cigarette
Gas carries out heat transfer to evaporation plate, and to evaporation plate spent shower water, makes waste water and evaporation plate moment in of short duration contact process
Carry out a large amount of heat transfers, complete efficient two-phase laminated flow.After denitration wastewater separation of solid and liquid, (inorganic salts crystallize solid-state evaporation product
Thing and a small amount of lime white) it is attached in evaporation plate, concentration outward transport is scraped by slag scraping mechanism and processes.This denitration wastewater concentration evaporator
Stable, easy to operate, strong adaptability and cost performance is high.
In order to more fully understand and implement, describe the utility model below in conjunction with the accompanying drawings in detail.
Brief description
Fig. 1 is the structural representation of denitration wastewater concentration evaporator of the present utility model
Fig. 2 is the side view of denitration wastewater concentration evaporator of the present utility model
Specific embodiment
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of denitration wastewater concentration evaporator of the present utility model
Figure, Fig. 2 is the side view of denitration wastewater concentration evaporator of the present utility model.A kind of denitration wastewater of the present utility model concentrates steams
Send out device, including flue gas heat transfer pipe 10, support 20, spraying mechanism 30, slag scraping mechanism 40 and dreg collecting slot 50；Described flue gas heat-transfer pipe
One side in road 10 is connected with spraying mechanism 30 by support 20；Described flue gas heat transfer pipe 10 two ends respectively with boiler export
Connect with electrostatic precipitator entrance；High-temperature flue gas to be clean enter in this flue gas heat transfer pipe 10 from boiler export, make flue gas
The pipeline wall temperature of heat transfer pipe 10 raises；And denitration wastewater is sprayed onto the one side of flue gas heat transfer pipe 10 by spraying mechanism 30
On, because waste water is huge with the temperature difference of flue gas heat transfer pipe 10, so that the two moment in of short duration contact process is carried out greatly
Calorimetric is transmitted, and completes efficient two-phase laminated flow.
Specifically, described flue gas heat transfer pipe 10 cross section is square, and its one side is evaporation plate 11, and this evaporation plate 11 is led to
Cross support 20 to be connected with spraying mechanism 30.Described spraying mechanism 30 include spray liquid pipe 31 and multiple just to described evaporation plate 11
Nozzle 32；Described slag scraping mechanism 40 includes scraper plate 41 and electro-motor 42, and described electro-motor 42 is connected with one end of scraper plate 41,
And drive scraper plate 41 to carry out back rotation along connecting shaft for 90 ° in evaporation plate 11 outer surface, thus scrape being attached on evaporation plate 11 outer surface
Evaporation product.Described dreg collecting slot 50, located at the underface of described scraper plate 41, evaporates in order to collect the waste water being scraped by scraper plate 41
Solid product.
Further, described slag scraping mechanism 40 includes the one-to-one scraper plate 41 of multiple and described nozzle 32 and electro-motor
42.Electro-motor 42, scraper plate 41 correspond setting with nozzle 32, nozzle 32 by denitration wastewater be sprayed onto its just to evaporation plate 11
On, high-temperature flue gas and waste water heat transfer make waste water evaporation obtain solid-state evaporation product and gaseous state evaporation product, and solid-state evaporates product
By scraping in dreg collecting slot 50 with this corresponding scraper plate 41 of nozzle 32.
Preferably, described nozzle 32 is atomizer, and it sprays diagonally downward, and spray angle a is 120 °；Its flow is
10.8L/min.
By flue gas heat transfer pipe 10 two ends of denitration wastewater concentration evaporator described in the utility model access boiler with quiet
Between electric cleaner, pending high-temperature flue gas enter described flue gas heat transfer pipe 10 from boiler export, according to boiler working condition
Condition, electrostatic precipitator exiting flue gas cigarette temperature is stablized between 140～160 DEG C；The flue gas of high temperature carries out heat biography to evaporation plate 11
Pass, and denitration wastewater is ejected into evaporation plate 11 outer surface by spraying mechanism 30 simultaneously；Because waste water evaporation constantly consumes evaporation plate
All the time there is temperature difference so that depositing between high-temperature flue gas and evaporation plate in the heat of 11 outer surfaces, therefore high-temperature flue gas and evaporation plate 11
In continuous heat transfer process.Because denitration wastewater is in normal temperature state before evaporation process, its temperature between 20～40 DEG C,
It is directly sprayed from reservoir on evaporation plate 11 outer surface of high temperature, it is huge with the temperature difference of evaporation plate 11, therefore can
Enough in of short duration contact process, moment carries out a large amount of heat transfers, completes efficient two-phase laminated flow, generates solid-state evaporation product (no
Machine salt crystal and a small amount of lime white) and gaseous state evaporation product (water vapour)；Wherein, solid-state evaporation product is attached on evaporation plate 10
On, scraped by scraper plate 41 and in dreg collecting slot 50, concentrate outward transport to process；Gaseous state evaporation product is atomized into vapour, and self heat is dissipated in greatly
In gas.
Compared to prior art, a kind of denitration wastewater concentration evaporator of the present utility model, structure is simple, by high temperature cigarette
Gas carries out heat transfer to evaporation plate 11, and to evaporation plate 11 spent shower water, makes waste water and evaporation plate 11 in of short duration contact process
Middle moment carries out a large amount of heat transfers, completes efficient two-phase laminated flow.After denitration wastewater separation of solid and liquid, solid-state evaporation product is (inorganic
Salt crystal and a small amount of lime white) it is attached in evaporation plate 11, concentration outward transport is scraped by slag scraping mechanism 40 and processes.This denitration wastewater
Concentration evaporator is stable, easy to operate, strong adaptability and cost performance high.
The above is only preferred embodiment of the present utility model it is noted that above-mentioned preferred embodiment should not regard
It is to restriction of the present utility model, protection domain of the present utility model should be defined by claim limited range.For
For those skilled in the art, without departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of denitration wastewater concentration evaporator it is characterised in that：Including flue gas heat transfer pipe, support, spraying mechanism, Slag Scraping Device
Structure and dreg collecting slot；Described flue gas heat transfer pipe cross section is square, and its one side is evaporation plate, and this evaporation plate passes through support and spray
Drench mechanism to connect；Described spraying mechanism includes spraying liquid pipe and multiple nozzle just to described evaporation plate；Described slag scraping mechanism bag
Include scraper plate and electro-motor, described electro-motor drives scraper plate to scrape in the outer surface of evaporation plate；Described dreg collecting slot is located at described
The underface of scraper plate.
2. denitration wastewater concentration evaporator according to claim 1 it is characterised in that：Described electro-motor and the one of scraper plate
End connects, and drives scraper plate to carry out back rotation along connecting shaft for 90 ° in evaporation plate outer surface.
3. denitration wastewater concentration evaporator according to claim 1 it is characterised in that：Described slag scraping mechanism include multiple with
The one-to-one scraper plate of described nozzle and electro-motor.
4. denitration wastewater concentration evaporator according to claim 1 it is characterised in that：Described nozzle is atomizer.
5. denitration wastewater concentration evaporator according to claim 4 it is characterised in that：Described nozzle inclination Jet with downward flow direction.
6. denitration wastewater concentration evaporator according to claim 5 it is characterised in that：The spray angle of described nozzle is
120°.
7. denitration wastewater concentration evaporator according to claim 6 it is characterised in that：The flow of described nozzle is 10.8L/
min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700573.XU CN205973858U (en) | 2016-07-05 | 2016-07-05 | Denitration waste water evaporative concentration ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700573.XU CN205973858U (en) | 2016-07-05 | 2016-07-05 | Denitration waste water evaporative concentration ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205973858U true CN205973858U (en) | 2017-02-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620700573.XU Expired - Fee Related CN205973858U (en) | 2016-07-05 | 2016-07-05 | Denitration waste water evaporative concentration ware |
Country Status (1)
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| CN (1) | CN205973858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905967A (en) * | 2016-07-05 | 2016-08-31 | 江门市同力环保科技有限公司 | Denitration waste water concentration evaporator |
-
2016
- 2016-07-05 CN CN201620700573.XU patent/CN205973858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105905967A (en) * | 2016-07-05 | 2016-08-31 | 江门市同力环保科技有限公司 | Denitration waste water concentration evaporator |
| CN105905967B (en) * | 2016-07-05 | 2019-06-18 | 江门市同力环保科技有限公司 | A kind of denitration wastewater concentration evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190705 |