CN202315689U - Water mist catching device and smoke atomizing, temperature reduction and washing system using same - Google Patents
Water mist catching device and smoke atomizing, temperature reduction and washing system using same Download PDFInfo
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- CN202315689U CN202315689U CN2011204924424U CN201120492442U CN202315689U CN 202315689 U CN202315689 U CN 202315689U CN 2011204924424 U CN2011204924424 U CN 2011204924424U CN 201120492442 U CN201120492442 U CN 201120492442U CN 202315689 U CN202315689 U CN 202315689U
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Abstract
The utility model discloses a water mist catching device and a smoke atomizing, temperature reduction and washing system using the water mist catching device. The water mist catching device comprises a shell, wherein an inlet and an outlet are formed on the shell; a flow baffle plate is arranged in the shell; and the plate surface of the flow baffle plate is opposite to the flow direction of the inlet of the shell. The smoke atomizing, temperature reduction and washing system using the water mist catching device comprises a spraying pump, a water tank, an atomizing spraying device and the water mist catching device, wherein the water inlet of the spraying pump is communicated with the water tank; the water outlet of the spraying pump is communicated with the atomizing spraying device; the atomizing spraying device is arranged in a flue; the water mist catching device is positioned on the rear side of the atomizing spraying device along a smoke flow direction; and the inlet of shell of the water mist catching device is communicated with the flue. The water mist catching device can effectively catch water drops in the smoke, so that the water drops containing dust and oil cannot enter an absorption tower along with the smoke after water is sprayed, and the oil and the dust cannot be brought into the absorption tower; and therefore, SO2 can be absorbed by slurry, and the desulfurization efficiency is improved.
Description
Technical field
The utility model belongs to the flue gases purification field, is specifically related to a kind of water smoke capturing device and uses the flue gas mist cooling washing system of this water smoke capturing device.
Background technology
Coal fired power generation is one of main path of coal utilization, and coal-fired fired power generating unit need be discharged a large amount of pollutants, wherein SO
2And dust is comparatively serious to the harm of environment, also is the major pollutants that need emphasis control.Thereby, need desulphurization system be set at the fume emission place of coal fired power generation.Flue gas desulfurization technique comprises wet desulphurization and dry desulfurization etc., and wherein the utilization of wet desulphurization technology is the most extensive.The principle of wet flue gas desulfurization absorption tower is to utilize the lime stone alkaline slurry to spray from the top down, and flue gas flows from bottom to top, and lime stone slurry drops in the SO that absorbs in the dropping process in the flue gas
2, generate byproducts such as gypsum, reach the SO that removes in the flue gas
2Purpose.
In wet desulfurizing process; There is not the setting of GGH because mostly present desulphurization system is no bypass; At the boiler startup igniting initial stage, when deduster still can not normally move, do not handle the follow-up desulphurization system of meeting entering if having the flue gas of oil and dirt; Can influence slurries quality in the absorption tower when serious, thereby influence desulfurization degree.Event need be provided with flue gas mist cooling washing system before the absorption tower; Start spray when (general cigarette temperature is above 180 ℃) or boiler startup are lighted a fire when the flue gas overtemperature; Reduce the tower entrance flue gas temperature to reach, the washing flue gas is protected the purpose of desulfuration absorbing tower simultaneously.If if but do not have enough straight sections behind the washing system, water droplet has been caught oily dirt afterwards not as good as being collected, and will get into the absorption tower with flue gas, can bring greasy dirt and flue dust into absorption tower, influences slurries to SO
2Absorption, reduce desulfuration efficiency, increase the load on absorption tower, influence outlet flue gas qualification rate also influences the quality of byproducts such as gypsum, simultaneously, the spray water directly gets into the absorption tower, causes the waste of water resource, improves production cost.
Therefore, need improve existing flue gas mist cooling washing system structure, not get into the absorption tower with flue gas after making shower water spray, flue gas is played effective cleaning function, can not bring greasy dirt and flue dust into absorption tower, the assurance slurries are to SO
2Absorption, improve desulfuration efficiency, guarantee the quality of byproducts such as outlet flue gas qualification rate and gypsum, and save production cost.
Summary of the invention
In view of this; The utility model provides a kind of water smoke capturing device and has used the flue gas mist cooling washing system of this water smoke capturing device; Can effectively capture the water droplet in the flue gas; Make the water droplet of shower water spray back dust-laden and greasy dirt not get into the absorption tower, can not bring greasy dirt and flue dust into absorption tower, guarantee that slurries are to SO with flue gas
2Absorption, improve desulfuration efficiency, guarantee the quality of byproducts such as outlet flue gas qualification rate and gypsum, and save production cost.
The utility model discloses a kind of water smoke capturing device, comprise housing, said housing is provided with import and outlet, is provided with flow-stopping plate in the said housing, and the plate face of said flow-stopping plate and the inlet flow of housing are to relatively.
Further, the import of said housing is positioned at side, and outlet is positioned at case top;
Further, said flow-stopping plate in housing, vertically be provided with and the plate face of flow-stopping plate perpendicular to the inlet flow of housing to;
Further, the inlet flow of said flow-stopping plate and housing is provided with collecting tank to relative plate face bottom, and said collecting tank is obliquely installed and its two ends and housing sidewall are joined;
Further, lateral separation distribution and in the vertical direction are staggered between the said flow-stopping plate;
Further, said housing bottom is provided with the collection bucket that is communicated with the housing inner chamber, and said collection bucket bottom is provided with leakage fluid dram;
Further, the import department of said housing is provided with inlet pipeline, and the exit is provided with outlet conduit;
Further, said inlet pipeline be cross-sectional area along inlet flow to diminishing reducing pipe.
The invention also discloses a kind of flue gas mist cooling washing system that uses above-mentioned water smoke capturing device; Comprise spray pump, water tank, atomizing sprayer and said water smoke capturing device; The water inlet of said spray pump is communicated with water tank; Delivery port is communicated with atomizing sprayer, and said atomizing sprayer is arranged in the flue, and said water smoke capturing device is communicated with flue along the import that flue gas flow direction is positioned at the housing of atomizing sprayer rear side and water smoke capturing device.
Further, the housing bottom of said water smoke capturing device is communicated with water tank.
The beneficial effect of the utility model is: the water smoke capturing device of the utility model is provided with flow-stopping plate; Flue gas carries droplets impact its on flow-stopping plate, and water droplet is because inertia is tackled by flow-stopping plate, and the water droplet of being tackled is toward current downflow; Flue gas then changes flow direction back and flows out from outlet; Therefore, the water smoke capturing device of the utility model can separate flue gas with water droplet, can effectively capture the water droplet in the flue gas; Install the flue gas mist cooling washing system of this water smoke capturing device additional, the water droplet of shower water spray back dust-laden and greasy dirt is captured by the water smoke capturing device, does not get into the absorption tower with flue gas, can not bring greasy dirt and flue dust into absorption tower, has guaranteed that slurries are to SO
2Absorption, improved desulfuration efficiency, guaranteed the quality of byproducts such as outlet flue gas qualification rate and gypsum, and practiced thrift production cost; Throw the oil drop fire at boiler cold-state especially and start, when deduster does not also put into operation or during the deduster fault, start this washing system and carry out the flue gas washing cooling, with water smoke capturing device collection water smoke, easy to use.
Description of drawings
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model is done further to describe in detail below, wherein:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B place enlarged drawing of Fig. 1.
The specific embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiment of the utility model is described in detail.
Fig. 1 is the structural representation of the utility model, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the B place enlarged drawing of Fig. 1; As shown in the figure; The water smoke capturing device of the utility model comprises housing 1, and said housing 1 is provided with import 11 and outlet 12; Be provided with flow-stopping plate 2 in the said housing 1, the plate face of said flow-stopping plate 2 and the inlet flow of housing 1 are to relatively; Flue gas carries water droplet and flows into from import 11, impinges upon on the flow-stopping plate 2, and water droplet is owing to inertia is tackled by flow-stopping plate 2; The water droplet of being tackled is toward current downflow; Flue gas then changes and flows to the back and flow out from exporting 12, therefore realized separating of flue gas and water droplet, captured the water droplet in the flue gas.
In the present embodiment, the import 11 of said housing 1 is positioned at housing 1 side, and outlet 12 is positioned at housing 1 top; The flue gas that carries water droplet is flowed into from housing 1 side, and the flue gas after the separate water droplets upwards flow, and flows out from housing 1 top, just in time complies with the flow of flue gas direction needs of the absorption tower inlet that need upwards flow into eminence after flue gas comes out from booster fan.
In the present embodiment, said flow-stopping plate 2 in housing 1, vertically be provided with and the plate face of flow-stopping plate 2 perpendicular to the inlet flow of housing 1 to; The flue gas that carries water droplet vertically clashes into flow-stopping plate 2, and the water droplet of being tackled is along flow-stopping plate 2 toward current downflow, and flue gas flows after changing direction vertically upward, and more easy separation goes out water droplet.
As the further improvement of the utility model, said flow-stopping plate 2 is provided with collecting tank 21 with the inlet flow of housing 1 to relative plate face bottom, and said collecting tank 21 is obliquely installed and its two ends and housing 1 sidewall join; The water droplet of being tackled is along flow-stopping plate 2 toward current downflow; Collected by collecting tank 21 then,, collected water droplet is compiled and flow to housing 1 sidewall of both sides because collecting tank 21 is obliquely installed; Flow to housing 1 bottom along housing 1 sidewall at last, avoided water droplet directly to drip and taken away again by flue gas.
As the further improvement of the utility model, lateral separation distribution and in the vertical direction are staggered between the said flow-stopping plate 2; The flow-stopping plate 2 of multi-layer intercrossed arrangement is set, strengthens capture effect water droplet.
As the further improvement of the utility model, said housing 1 bottom is provided with the collection bucket 13 that is communicated with housing 1 inner chamber, and said collection bucket 13 bottoms are provided with leakage fluid dram 14; The water that comes together in the collection bucket 13 gets into water tank 4 recycles, and the conserve water resource reduces production costs.
As the further improvement of the utility model, import 11 places of said housing 1 are provided with inlet pipeline 15, export 12 places and are provided with outlet conduit 16; Inlet pipeline 15 and outlet conduit 16 are convenient to and being connected of front and back section flue.
As the further improvement of the utility model, said inlet pipeline 15 be cross-sectional area along inlet flow to diminishing reducing pipe; The reducing pipe has acceleration to water droplet, strengthens the effect of droplets impact its flow-stopping plate 2, strengthens the separating effect of water droplet on flow-stopping plate 2.
The flue gas mist cooling washing system of the above-mentioned water smoke capturing device of the use of the utility model; Comprise spray pump 3, water tank 4, atomizing sprayer 5 and said water smoke capturing device; The water inlet of said spray pump 3 is communicated with water tank 4; Delivery port is communicated with atomizing sprayer 5, and said atomizing sprayer 5 is arranged in the flue 6, and said water smoke capturing device is positioned at the housing 1 of atomizing sprayer 5 rear sides and water smoke capturing device along flue gas flow direction import 11 is communicated with flue 6 through inlet pipeline 15; Housing 1 bottom of said water smoke capturing device is communicated with water tank 4 through leakage fluid dram 14.
Before whole flue gas mist cooling washing system is arranged in absorption tower inlet, between the flue behind the booster fan; Throwing the oil drop fire at boiler cold-state starts, when deduster does not also put into operation or during the deduster fault, starts spray pump 3 and carry out the cooling of flue gas spray washing with atomizing sprayer 5, behind the shower water spray; The water droplet of dust-laden and greasy dirt is captured by the water smoke capturing device; The water droplet of dust-laden and greasy dirt does not get into the absorption tower with flue gas, can not bring greasy dirt and flue dust into absorption tower, has guaranteed that slurries are to SO
2Absorption, improved desulfuration efficiency, guaranteed the quality of byproducts such as outlet flue gas qualification rate and gypsum, and practiced thrift production cost.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the preferred embodiment through with reference to the utility model is described the utility model; But those of ordinary skill in the art should be appreciated that and can make various changes to it in form with on the details, and the spirit and the scope of the utility model that does not depart from appended claims and limited.
Claims (10)
1. water smoke capturing device; It is characterized in that: comprise housing (1); Said housing (1) is provided with import (11) and outlet (12), is provided with flow-stopping plate (2) in the said housing (1), and the inlet flow of the plate face of said flow-stopping plate (2) and housing (1) is to relatively.
2. water smoke capturing device according to claim 1 is characterized in that: the import (11) of said housing (1) is positioned at housing (1) side, and outlet (12) is positioned at housing (1) top.
3. water smoke capturing device according to claim 2 is characterized in that: said flow-stopping plate (2) in housing (1), vertically be provided with and the plate face of flow-stopping plate (2) perpendicular to the inlet flow of housing (1) to.
4. water smoke capturing device according to claim 3; It is characterized in that: the inlet flow of said flow-stopping plate (2) and housing (1) is provided with collecting tank (21) to relative plate face bottom, and said collecting tank (21) is obliquely installed and its two ends and housing (1) sidewall join.
5. water smoke capturing device according to claim 3 is characterized in that: lateral separation distribution and in the vertical direction are staggered between the said flow-stopping plate (2).
6. according to any described water smoke capturing device of claim 1 to 5, it is characterized in that: said housing (1) bottom is provided with the collection bucket (13) that is communicated with housing (1) inner chamber, and said collection bucket (13) bottom is provided with leakage fluid dram (14).
7. water smoke capturing device according to claim 6 is characterized in that: the import (11) of said housing (1) locates to be provided with inlet pipeline (15), and outlet (12) locates to be provided with outlet conduit (16).
8. water smoke capturing device according to claim 7 is characterized in that: said inlet pipeline (15) for cross-sectional area along inlet flow to diminishing reducing pipe.
9. use the flue gas mist cooling washing system of any described water smoke capturing device of claim 1 to 8; It is characterized in that: comprise spray pump (3), water tank (4), atomizing sprayer (5) and said water smoke capturing device; The water inlet of said spray pump (3) is communicated with water tank (4); Delivery port is communicated with atomizing sprayer (5); Said atomizing sprayer (5) is arranged in the flue (6), and said water smoke capturing device is positioned at the housing (1) of atomizing sprayer (5) rear side and water smoke capturing device along flue gas flow direction import (11) is communicated with flue (6).
10. flue gas mist cooling washing system according to claim 9 is characterized in that: the housing of said water smoke capturing device (1) bottom is communicated with water tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924424U CN202315689U (en) | 2011-12-01 | 2011-12-01 | Water mist catching device and smoke atomizing, temperature reduction and washing system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204924424U CN202315689U (en) | 2011-12-01 | 2011-12-01 | Water mist catching device and smoke atomizing, temperature reduction and washing system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202315689U true CN202315689U (en) | 2012-07-11 |
Family
ID=46427691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204924424U Expired - Lifetime CN202315689U (en) | 2011-12-01 | 2011-12-01 | Water mist catching device and smoke atomizing, temperature reduction and washing system using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202315689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801176A (en) * | 2014-01-27 | 2014-05-21 | 浙江大学 | Flue gas denitration technology and flue gas denitration device implemented by combining ozonation and spraying cooling |
-
2011
- 2011-12-01 CN CN2011204924424U patent/CN202315689U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801176A (en) * | 2014-01-27 | 2014-05-21 | 浙江大学 | Flue gas denitration technology and flue gas denitration device implemented by combining ozonation and spraying cooling |
| CN103801176B (en) * | 2014-01-27 | 2016-06-15 | 浙江大学 | A kind of ozone oxidation is in conjunction with the flue-gas denitration process of spraying cooling and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |