CN105042608B - The rear air and gas system combination layout structure that power plant's deduster six exports - Google Patents
The rear air and gas system combination layout structure that power plant's deduster six exports Download PDFInfo
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- CN105042608B CN105042608B CN201510228076.4A CN201510228076A CN105042608B CN 105042608 B CN105042608 B CN 105042608B CN 201510228076 A CN201510228076 A CN 201510228076A CN 105042608 B CN105042608 B CN 105042608B
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Abstract
The present invention relates to the rear air and gas system combination layout structures that power plant's deduster six exports, including six house outlets, air-introduced machine structure, desulfuration absorbing tower, wet electrical dust precipitator structure and chimney, air-introduced machine structure is by two draft mechanisms at biserial air-introduced machine structure, every three house outlets connect the air inlet of an air-introduced machine, and the air outlet of two air-introduced machines respectively connects an air inlet of desulfuration absorbing tower；Wet electrical dust precipitator structure is made of four wet electrical dust precipitators；Desulfuration absorbing tower is set there are one air inlet and four air outlets；Air-introduced machine structure and six house outlets are arranged between desulfuration absorbing tower and chimney, air-introduced machine structure is located at the lower section of six house outlets, wet electrical dust precipitator structure is located at the top of six house outlets, wet electrical dust precipitator structure is located at the surface of air-introduced machine, six house outlets are in being horizontally disposed with, and the air inlet of air-introduced machine structure is vertical setting, air outlet is in horizontally disposed.The present invention is at low cost, takes up an area less, operational effect is good.
Description
Technical field
The present invention relates to the rear air and gas system combination layout structures that a kind of power plant deduster six exports, and belong to power plant's smoke evacuation
And ventilation equipment technical field.
Background technology
In coal-fired station's project the distance of boiler the first organ timbering to chimney center line be important land requisition index it
One, after flue gas system most equipment is all disposed within stove, and boiler room frame, preceding flue and deduster arrangement are relatively solid
It is fixed, after being concentrated mainly on deduster to the optimization arranged after stove.It is main both at home and abroad to arrange pattern to the arrangement form after deduster
It is substantially using each equipment in-line arrangement, deduster 1-1 arranges air-introduced machine 1-2 later, arranges that desulfurization absorbs after air-introduced machine 1-2
Tower 1-3, wet electrical dust precipitator 1-4 and chimney 1-5.As shown in Figure 1, each equipment uses in-line arrangement, air-introduced machine after deduster 1-1
1-2 is arranged between deduster 1-1 and desulfuration absorbing tower 1-3, and the outlet of biserial air-introduced machine only enters towards desulfuration absorbing tower 1-3
Mouthful, it is to be staggeredly arranged with desulfuration absorbing tower 1-3 center lines, wet electrical dust precipitator 1-4 and air-introduced machine 1-2 positions are farther out.
Flue arrangement after traditional deduster has widened house outlet to the fore-and-aft distance of chimney center line, increases and accounts for
The material consumption of ground area and flue；And rectangular flue is used to arrange, the resistance and material consumption of flue will further increase,
So that auxiliary power consumption increases, and there are 90 ° of elbows of level before desulfuration absorbing tower entrance, Flow Field Distribution is uneven, influences to enter desulfurization suction
Receive flue gas uniformity in tower.
It, can be due to no matter air-introduced machine is laterally or longitudinally to arrange it can be seen that after traditional deduster in arrangement
The fore-and-aft distance between deduster and desulfuration absorbing tower is pulled open, and generates the arrangement after deduster and takes up an area big, flue length, flue resistance
The problems such as power is big, but also increase flue resistance and flue consumption of materials.Virtually increase coal-fired station's occupation of land
Area and flue cost increase initial cost cost, increase as well as the resistance of flue, also directly affect the fortune in power plant
Row economy.
Invention content
The purpose of the present invention is taken up an area to solve the arrangement of equipment after existing coal-fired station's deduster
The technical problems such as greatly, flue is long, flue resistance is big provide a kind of rear air and gas system combined layout that power plant's deduster six exports
Structure.
The purpose of the present invention can be achieved through the following technical solutions：
The rear air and gas system combination layout structure that power plant's deduster six exports, including six house outlets, air-introduced machines
Structure, desulfuration absorbing tower, wet electrical dust precipitator structure and chimney, air-introduced machine structure is by two draft mechanisms at biserial air-introduced machine knot
Structure, every three house outlets connect the air inlet of an air-introduced machine, and the air outlet connection desulfurization of two air-introduced machines absorbs
One air inlet of tower；Wet electrical dust precipitator structure is made of four wet electrical dust precipitators；Desulfuration absorbing tower is entered the wind there are one setting
Mouth and four air outlets, four air outlets of desulfuration absorbing tower respectively connect the air inlet of a wet electrical dust precipitator, four wet types
The air inlet of the air outlet collecting pipe connection chimney of electric precipitator；Desulfuration absorbing tower is vertical structure, the air inlet of desulfuration absorbing tower
Mouth setting is arranged in lower sidewall, air outlet at top；Air-introduced machine structure and six house outlets are arranged in desulfuration absorbing tower
Between chimney, air-introduced machine structure is located at the lower section of six house outlets, and wet electrical dust precipitator structure is located at six dedusters
The top of outlet, wet electrical dust precipitator structure are located at right over air-introduced machine structure, and six house outlets are in be horizontally disposed with,
The air inlet of air-introduced machine structure is vertical setting, air outlet is in horizontally disposed；Form the outlet of deduster six and biserial air-introduced machine
The three-dimensional combination layout structure of the longitudinal and transverse of air and gas system, vertical three-dimensional after deduster.
The purpose of the present invention can be also achieved through the following technical solutions：
Further, wet electrical dust precipitator structure is mounted on the flue of connection desulfuration absorbing tower and chimney, the air inducing
For the air-introduced machine of machine structure on the vertical center line between desulfuration absorbing tower and chimney, the air-introduced machine is mounted on wet type side by side
Immediately below electrostatic precipitator structure, the air inlet of the air outlet face desulfuration absorbing tower of the air-introduced machine makes air-introduced machine be absorbed with desulfurization
The flue of tower forms straight-through flue, and the house outlet is located at one side position of air-introduced machine, and every three house outlets pass through cigarette
Road accesses an air-introduced machine.
Further, the arc-shaped buffering transition of flue that the air-introduced machine of the air-introduced machine structure is connect with desulfuration absorbing tower connects
It connects, the flue of the air-introduced machine and desulfuration absorbing tower is made to form straight-through flue.
Further, maintenance distance, the air outlet of the air-introduced machine are remained between the air-introduced machine of the air-introduced machine structure
Connected with the air inlet of desulfuration absorbing tower by flue arranged side by side.
Further, in six house outlets, every three house outlets pass through a three-in-one collecting pipe and one
The air inlet of air-introduced machine connects.
Further, four air outlets of the desulfuration absorbing tower it is upper by double-deck arranged side by side four output flues access,
Four output flues of the air inlet of the wet electrical dust precipitator of lower distribution, wet electrical dust precipitator structure are converged by a four-in-one
Pipe accesses in chimney.
Further, the turning of each flue is using round slow turning head connection.
Further, the air-introduced machine entrance is equipped with the access head of 0-180 ° of corner.
Beneficial effects of the present invention：
1, wet electrical dust precipitator structure of the invention is made of four wet electrical dust precipitators；Desulfuration absorbing tower set there are one into
Air port and four air outlets, four air outlets of desulfuration absorbing tower respectively connect the air inlet of a wet electrical dust precipitator, and four wet
The air inlet of the air outlet collecting pipe connection chimney of formula electric precipitator；Desulfuration absorbing tower is vertical structure, desulfuration absorbing tower into
Air port setting is arranged in lower sidewall, air outlet at top；Air-introduced machine structure and six house outlet settings are absorbed in desulfurization
Between tower and chimney, air-introduced machine structure is located at the lower section of six house outlets, and wet electrical dust precipitator structure is located at six dedustings
The top of device outlet, six house outlets are in horizontally disposed, and the air inlet of air-introduced machine structure is vertical setting, air outlet
In horizontally disposed；It forms the outlet of deduster six and the longitudinal and transverse of air and gas system, vertical three-dimensional after the deduster of biserial air-introduced machine is three-dimensional
Combination layout structure；Therefore the distance of house outlet and chimney center line can be shortened, there is the material that flue is greatly decreased
Doses reduces flue gas system crushing, so that equipment is more efficiently run, reduce auxiliary power consumption, improving unit operation economy and account for
Ground is small, flue material is few, resistance is small and flue gas flow field is uniform, reduces the advantageous effects such as initial cost cost.
2, the air outlet face desulfuration absorbing tower of air-introduced machine of the invention, and the flue that air-introduced machine is connect with desulfuration absorbing tower
Arc-shaped buffering transition connection.The effective exhaust resistance for reducing air-introduced machine, keeps smoke distribution uniform, improves desulfuration efficiency, from
And improve the performance driving economy in power plant.
3, house outlet of the invention can be distributed in the side of air-introduced machine, and arrangement various can be rationalized.And multiple dedustings
Device outlet is connected by collecting pipe one with the air inlet of air-introduced machine, and six wet electrical dust precipitator air intake vents are led to by arranged side by side respectively
Air hose connects with desulfuration absorbing tower, and air outlet is communicated by four-in-one collecting pipe with chimney air-out passage.Thus can effectively subtract
The ventilation resistance of low pass wind pipeline improves the operational efficiency of air inducing equipment and flue.
4, the installation of vertical double-layer block form, the incoming end of wet electrical dust precipitator pass through wet electrical dust precipitator of the invention up and down
Four bilayers access flue arranged side by side accesses desulfuration absorbing tower, and output end is exported by four bilayers output flue arranged side by side, defeated
It is accessed in chimney and is discharged by a four-in-one collecting pipe when going out, thus reduce wet electrical dust precipitator area occupied, and make flue gas point
Cloth more uniformly exports, and improves the discharge efficiency of flue.
Description of the drawings
Fig. 1 is the structural schematic diagram of the prior art of the present invention.
Fig. 2 is the structural schematic diagram of a specific embodiment of the invention.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the front view of Fig. 2.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is described in further detail.
Embodiment 1：
The rear air and gas system combination layout structure that shown power plant deduster six exports referring to Figure 2 to Figure 4, including six removed
Dirt device outlet 1, air-introduced machine structure 2, desulfuration absorbing tower 3, wet electrical dust precipitator structure 4 and chimney 5, air-introduced machine structure 2 is by two
Draft mechanism connects the air inlet of an air-introduced machine, two air inducing at biserial air-introduced machine structure, every three house outlets 1
The air outlet of machine respectively connects an air inlet of desulfuration absorbing tower 3；Wet electrical dust precipitator structure 4 is by four wet electrical dust precipitator structures
At；Desulfuration absorbing tower 3 is equipped with two air inlets and four air outlets, and respectively connection one is wet for four air outlets of desulfuration absorbing tower 3
The air inlet of formula electric precipitator, the air inlet of the air outlet collecting pipe connection chimney 5 of four wet electrical dust precipitators；Desulfuration absorbing tower
3 be vertical structure, and the air inlet setting of desulfuration absorbing tower 3 is arranged in lower sidewall, air outlet at top；2 He of air-introduced machine structure
Six house outlets 1 are arranged between desulfuration absorbing tower 3 and chimney 5, and air-introduced machine structure 2 is located at six house outlets 1
Lower section, wet electrical dust precipitator structure 4 are located at the top of six house outlets 1, and six house outlets 1 are set in level
It sets, the air inlet of air-introduced machine structure 2 is vertical setting, air outlet is in horizontally disposed；Form the outlet of deduster six and biserial air inducing
The three-dimensional combination layout structure of the longitudinal and transverse of air and gas system, vertical three-dimensional after the deduster of machine.
In embodiment：
The wet electrical dust precipitator 4 is mounted on the flue of connection desulfuration absorbing tower 3 and chimney 5, the air-introduced machine knot
The air-introduced machine and wet electrical dust precipitator 4 of structure 2 are located between desulfuration absorbing tower 3 and chimney 5, are located at desulfuration absorbing tower 3 and chimney 5
It on vertical center line, is distributed in vertical type, the air-introduced machine horizontal alignment of the air-introduced machine structure 2 is mounted on wet electrical dust precipitator 4
Underface, the installation of about 4 vertical double-layer block form of wet electrical dust precipitator, the fan out draft face desulfurization of air-introduced machine structure 2
The flue on absorption tower 3, the air-introduced machine for making air-introduced machine structure 2 and desulfuration absorbing tower 3 forms straight-through flue, the house outlet 1
It is located at one side position of air-introduced machine of air-introduced machine structure 2,1 air intake vent of every three house outlets accesses an air-introduced machine by flue
The air-introduced machine of structure 2 forms equipment and flue combination layout structure after the deduster of the outlet of deduster six and biserial air-introduced machine.
The arc-shaped buffering transition connection of flue that the air-introduced machine 2 is connect with desulfuration absorbing tower 3.
Maintenance distance is remained between the air-introduced machine of two air-introduced machine structures 2, the air-introduced machine of air-introduced machine structure 2 goes out
Air port is connected by flue arranged side by side with 3 air intake vent of desulfuration absorbing tower.Six house outlets 1, every three house outlets 1
Connected with the air inlet of an air-introduced machine 2 by a three-in-one collecting pipe 11, which is the applicant's application
Patent of invention " cigarette air duct and its three-in-one collecting pipe (patent No.：ZL 2014 is 20211274.0) " technology.
The desulfuration absorbing tower 3 passes through double-deck four output flues arranged side by side wet-esp that access is distributed up and down side by side
Four output flues of device 4, wet electrical dust precipitator 4 access discharge in chimney 5 by a four-in-one collecting pipe 41.The four-in-one is converged
Flow tube 11 is patent of invention " cigarette air duct and its four-in-one collecting pipe (patent No. of the applicant's application：ZL ZL 2014 2
0211431.8 ") technology.
The turning of each flue is connected using round slow turning head 6.
Above-mentioned each equipment and flue can common support frame be fixed.
For conventional coal-fired station, main building mainly arranges three parts after point steam turbine building, boiler room and stove.Pot
Behind boiler room (containing bunker bay) and stove, the relative position of wherein boiler and deduster is basic for stove and the equal centralized arrangement of air and gas system
It is fixed.
In this combined layout scheme：Every three house outlets 1 enter an air-introduced machine by a three-in-one collecting pipe 11
The air-introduced machine entrance of structure 2, two air-introduced machines are horizontally-parallel to be arranged in juxtaposition between desulfuration absorbing tower and chimney, is located at wet type electricity
4 lower section of deduster, 3 entrance of the air-introduced machine exhaust pass face desulfuration absorbing tower connection of air-introduced machine structure 2, desulfuration absorbing tower 3 go out
Mouth evenly distributes flue gas using four circular connecting pipe roads, is rotated into wet electrical dust precipitator 4 by the way that the slow turning head 6 of circle is slow, wet
Formula electric precipitator 4 arranges that flue gas is further purified through wet electrical dust precipitator 4, is gone out in the surface of the air-introduced machine of air-introduced machine structure 2
Mouth enters chimney using the interflow of four-in-one collecting pipe 41.The air-introduced machine and wet type of the final air-introduced machine structure 2 of vertical distribution up and down
The desulfuration absorbing tower 3 and chimney 5 that electric precipitator 4 is distributed with its both sides are arranged at linear type.
The air-introduced machine of the air-introduced machine structure 2 of upper joint arrangement is equipped with the access wind of 0-180 ° of corner by inlet
Case, make air-introduced machine structure 2 air-introduced machine entrance can 0-180 ° of angle air inlet, 3 entrance of outlet face desulfuration absorbing tower so that desulfurization
3 inlet flue gas even flow field of absorption tower improves desulfuration efficiency；The air-introduced machine both sides of two air-introduced machine structures 2 respectively reserve not small
In 5m wide maintenance apart from place, convenient for safeguarding；Flue turning is transferred by the slow turning head 6 of circle between each equipment, makes cigarette
The smooth connection in road, flue resistance reduce.Each equipment and the arrangement of flue make full use of desulfuration absorbing tower 3 and chimney 5 after deduster
Laterally and vertically space, the distance between house outlet 1 to 5 center line of chimney are greatly decreased within 27 meters.
Claims (8)
1. the rear air and gas system combination layout structure that power plant's deduster six exports, including six house outlets (1), air-introduced machines
Structure (2), desulfuration absorbing tower (3), wet electrical dust precipitator structure (4) and chimney (5), it is characterised in that：Air-introduced machine structure (2) by
For two draft mechanisms at biserial air-introduced machine structure, every three house outlets (1) connect the air inlet of an air-introduced machine, and described two
The air outlet of platform air-introduced machine respectively connects an air inlet of desulfuration absorbing tower (3)；Wet electrical dust precipitator structure (4) is by four wet types
Electric precipitator is constituted；Desulfuration absorbing tower (3) is equipped with two air inlets and four air outlets, four outlet air of desulfuration absorbing tower (3)
Mouth respectively connects the air inlet of a wet electrical dust precipitator, the air outlet collecting pipe connection chimney (5) of four wet electrical dust precipitators
Air inlet；Desulfuration absorbing tower (3) is vertical structure, and the air inlet setting of desulfuration absorbing tower (3) is arranged in lower sidewall, air outlet
At top；Air-introduced machine structure (2) and six house outlets (1) are arranged between desulfuration absorbing tower (3) and chimney (5), air inducing
Machine structure (2) is located at the lower section of six house outlets (1), and wet electrical dust precipitator structure (4) is located at six house outlets (1)
Top, wet electrical dust precipitator structure (4) is located at the surface of air-introduced machine structure (2), and six house outlets (1) are in water
Flat setting, the air inlet of air-introduced machine structure (2) is vertical setting, air outlet is in horizontally disposed；The air-introduced machine of upper and lower vertical distribution
The desulfuration absorbing tower (3) and chimney (5) that the air-introduced machine and wet electrical dust precipitator (4) of structure (2) are distributed with its both sides are at " one " word
Shape is arranged；Form the outlet of deduster six and the longitudinal and transverse of air and gas system, the three-dimensional joint of vertical three-dimensional after the deduster of biserial air-introduced machine
Arrangement.
2. the rear air and gas system combination layout structure that power plant according to claim 1 deduster six exports, feature exist
In：Wet electrical dust precipitator structure (4) is mounted on the flue of connection desulfuration absorbing tower (3) and chimney (5), the air-introduced machine structure
(2) air-introduced machine is located on the vertical center line between desulfuration absorbing tower (3) and chimney (5), and the air-introduced machine is mounted on side by side
Immediately below wet electrical dust precipitator structure (4), the air inlet of the air outlet face desulfuration absorbing tower (3) of the air-introduced machine makes air-introduced machine
Straight-through flue is formed with the flue of desulfuration absorbing tower (3), the house outlet (1) is located at the air-introduced machine of air-introduced machine structure (2)
Side, every three house outlets (1) access the air-introduced machine of an air-introduced machine structure (2) by flue.
3. the rear air and gas system combination layout structure that power plant according to claim 1 or 2 deduster six exports, feature
It is：The arc-shaped buffering transition connection of flue that the air-introduced machine of the air-introduced machine structure (2) is connect with desulfuration absorbing tower (3), makes
The flue of the air-introduced machine and desulfuration absorbing tower (3) forms straight-through flue.
4. the rear air and gas system combination layout structure that power plant according to claim 1 or 2 deduster six exports, feature
It is：Maintenance distance is remained between the air-introduced machine of the air-introduced machine structure (2), the air outlet of the air-introduced machine passes through cigarette arranged side by side
Road connects with the air inlet of desulfuration absorbing tower (3).
5. the rear air and gas system combination layout structure that power plant according to claim 1 or 2 deduster six exports, feature
It is：In six house outlets (1), every three house outlets (1) are drawn by a three-in-one collecting pipe (11) with one
The air inlet of wind turbine connects.
6. the rear air and gas system combination layout structure that power plant according to claim 1 or 2 deduster six exports, feature
It is：Four air outlets of the desulfuration absorbing tower (3) are accessed upper and lower distribution wet by double-deck four output flues arranged side by side
Four output flues of the air inlet of formula electric precipitator, wet electrical dust precipitator structure (4) pass through a four-in-one collecting pipe (41)
It accesses in chimney (5).
7. the rear air and gas system combination layout structure that power plant according to claim 1 or 2 deduster six exports, feature
It is：The turning of each flue is connected using round slow turning head (6).
8. the rear air and gas system combination layout structure that power plant according to claim 1 deduster six exports, feature exist
In：Air-introduced machine (2) entrance is equipped with the access head of 0-180 ° of corner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510228076.4A CN105042608B (en) | 2015-05-06 | 2015-05-06 | The rear air and gas system combination layout structure that power plant's deduster six exports |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105402762B (en) * | 2015-12-02 | 2018-06-05 | 中国能源建设集团广东省电力设计研究院有限公司 | Deduster six exports and flue gas system combination layout structure after biserial air-introduced machine |
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| CN204704832U (en) * | 2015-05-06 | 2015-10-14 | 中国能源建设集团广东省电力设计研究院有限公司 | The rear air and gas system combination layout structure that power plant exports with deduster six |
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| JPS60156563A (en) * | 1984-01-26 | 1985-08-16 | Mitsubishi Heavy Ind Ltd | Waste gas treating apparatus |
| EP1182400A1 (en) * | 1997-04-21 | 2002-02-27 | Mitsubishi Heavy Industries, Ltd. | Flue gas treating system and process |
| CN201715526U (en) * | 2009-08-11 | 2011-01-19 | 浙江省电力设计院 | Connecting device of front flue of dust collector of heat power plant |
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