CN204704831U - Power plant's deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine - Google Patents

Power plant's deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine Download PDF

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Publication number
CN204704831U
CN204704831U CN201520289428.2U CN201520289428U CN204704831U CN 204704831 U CN204704831 U CN 204704831U CN 201520289428 U CN201520289428 U CN 201520289428U CN 204704831 U CN204704831 U CN 204704831U
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CN
China
Prior art keywords
air
introduced machine
outlet
absorbing tower
desulfuration absorbing
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Expired - Fee Related
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CN201520289428.2U
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Chinese (zh)
Inventor
范旭
杨劲
潘灏
刘建强
张超昱
唐晖
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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Priority to CN201520289428.2U priority Critical patent/CN204704831U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to the rear air and gas system combination layout structure of power plant's deduster four outlet and biserial air-introduced machine, comprise four house outlet, air-introduced machine structure, desulfuration absorbing tower, wet electrical dust precipitator and chimney, air-introduced machine structure forms biserial air-introduced machine structure by two air-introduced machines, and every two house outlet connect the air inlet of an air-introduced machine; The air outlet of described two air-introduced machines connects an air inlet of desulfuration absorbing tower, and the air outlet of desulfuration absorbing tower connects the air inlet of chimney by wet electrical dust precipitator; Desulfuration absorbing tower is vertical structure, and the air inlet of desulfuration absorbing tower is arranged on lower sidewall, air outlet is arranged on top; Air-introduced machine structure and four house outlet are arranged between desulfuration absorbing tower and chimney, air-introduced machine structure is positioned at the below of four house outlet, wet electrical dust precipitator is positioned at the top of four house outlet, wet electrical dust precipitator structure is positioned at directly over air-introduced machine, described house outlet is in being horizontally disposed with, and the air inlet of air-introduced machine structure is vertical setting, air outlet is in being horizontally disposed with.The utility model cost is low, and take up an area few, operational effect is good.

Description

Power plant's deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine
Technical field
The utility model relates to the rear air and gas system combination layout structure of deduster four outlet of a kind of power plant and biserial air-introduced machine, belongs to power plant's smoke evacuation and ventilation equipment technical field.
Background technology
In coal-fired station's project, boiler first organ timbering is one of important land requisition index to the distance of chimney center line, after flue gas system most equipment is all arranged in stove, and boiler room framework, front flue and deduster are arranged relatively fixing, after mainly deduster is concentrated on to the optimization of arranging after stove.To the version of air and gas system after deduster, domestic and international primary structure form is substantially all adopt each equipment in-line arrangement structure, namely after deduster 1-1, arrange air-introduced machine 1-2, after air-introduced machine 1-2, arrange desulfuration absorbing tower 1-3, wet electrical dust precipitator 1-4 and chimney 1-5.As shown in Figure 1, the each equipment had after the deduster 1-1 outlet of four outlets adopts in-line arrangement, air-introduced machine 1-2 is arranged in deduster 1-1 and exports between desulfuration absorbing tower 1-3, air-introduced machine outlet connects desulfuration absorbing tower 1-3 entrance, with desulfuration absorbing tower 1-3 center line in the structure that is staggeredly arranged, wet electrical dust precipitator 1-4 and air-introduced machine 1-2 position far away.
Flue after tradition deduster is arranged and has been widened the fore-and-aft distance of house outlet to chimney center line, adds the material consumption of floor space and flue; And adopting rectangular flue to arrange, resistance and the material consumption of flue will increase further, and auxiliary power consumption is increased, and have level 90 ° of elbows before desulfuration absorbing tower entrance, and Flow Field Distribution is uneven, and impact enters flue gas uniformity in desulfuration absorbing tower.
As can be seen here, after traditional deduster in arrangement, no matter air-introduced machine laterally or longitudinally arranges, all can owing to pulling open the fore-and-aft distance between deduster and desulfuration absorbing tower, and produce the problems such as the layout after deduster is taken up an area greatly, flue is long, flue resistance is large, but also increase flue resistance and flue consumption of materials.Virtually add coal-fired station's floor space and flue cost, increase initial cost cost, simultaneously also because the resistance of flue increases, also directly affect the performance driving economy in power plant.
Utility model content
The purpose of this utility model is, in order to the arrangement solving equipment after existing coal-fired station deduster takes up an area the technical problems such as large, flue is long, flue resistance is large, power plant's deduster four is provided to export and the rear air and gas system combination layout structure of biserial air-introduced machine.
The purpose of this utility model realizes by following technical scheme:
Power plant's deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, comprise four house outlet, air-introduced machine structure, desulfuration absorbing tower, wet electrical dust precipitator and chimney, its architectural feature is: air-introduced machine structure forms biserial air-introduced machine structure by two air-introduced machines, and every two house outlet connect the air inlet of an air-introduced machine; The air outlet of described two air-introduced machines connects an air inlet of desulfuration absorbing tower, and the air outlet of desulfuration absorbing tower connects the air inlet of chimney by wet electrical dust precipitator; Desulfuration absorbing tower is vertical structure, and the air inlet of desulfuration absorbing tower is arranged on lower sidewall, air outlet is arranged on top; Air-introduced machine structure and four house outlet are arranged between desulfuration absorbing tower and chimney, air-introduced machine structure is positioned at the below of four house outlet, wet electrical dust precipitator is positioned at the top of four house outlet, wet electrical dust precipitator structure is positioned at directly over air-introduced machine structure, described house outlet is in being horizontally disposed with, and the air inlet of air-introduced machine structure is vertical setting, air outlet is in being horizontally disposed with; Form deduster four to export and longitudinal and transverse, the three-dimensional combination layout structure of vertical three-dimensional of air and gas system after biserial air-introduced machine deduster.
The purpose of this utility model also realizes by following technical scheme:
Further, wet electrical dust precipitator is arranged on the flue of connection desulfuration absorbing tower and chimney, on the air-introduced machine of the described air-introduced machine mechanism center line between desulfuration absorbing tower and chimney, described air-introduced machine is arranged on immediately below wet electrical dust precipitator side by side, the air outlet of this air-introduced machine is just to the air inlet of desulfuration absorbing tower, make the flue of air-introduced machine and desulfuration absorbing tower form straight-through flue, described house outlet is located at air-introduced machine side, and every two house outlet access an air-introduced machine by flue.
Further, the curved buffering transition of flue that described air-introduced machine structure is connected with desulfuration absorbing tower connects.
Further, remain with maintenance distance between described two air-introduced machines, the air outlet of air-introduced machine is connected with the air inlet of desulfuration absorbing tower by flue arranged side by side.
Further, described four house outlet, every two house outlet are connected by the air inlet of one of collecting pipe with an air-introduced machine.
Further, described desulfuration absorbing tower passes through two output flue access wet electrical dust precipitators arranged side by side, and the output flue of wet electrical dust precipitator is by two access chimneys of collecting pipe.
Further, the turning of described each flue adopts circular slow turning head to connect.
Further, described air-introduced machine entrance is provided with the access head of 0-180 ° of corner.
The utility model has following outstanding beneficial effect:
1, the utility model due to desulfuration absorbing tower be vertical structure, the air inlet of desulfuration absorbing tower is arranged on lower sidewall, air outlet is arranged on top; Air-introduced machine structure and four house outlet are arranged between desulfuration absorbing tower and chimney, air-introduced machine structure is positioned at the below of four house outlet, wet electrical dust precipitator is positioned at the top of four house outlet, described house outlet is in being horizontally disposed with, and the air inlet of air-introduced machine structure is vertical setting, air outlet is in being horizontally disposed with; Longitudinal and transverse, the three-dimensional combination layout structure of vertical three-dimensional of air and gas system after the deduster of the outlet of formation deduster four and biserial air-introduced machine; Therefore effectively can utilize the transverse direction between desulfuration absorbing tower and chimney and vertical space, there is saving the area, reduce civil engineering cost, shorten house outlet and chimney air line distance significantly decrease flue quantity of material, reduce flue gas system crushing, reduce auxiliary power consumption, improve unit operation economy and improve the beneficial effects such as desulfuration efficiency.
2, the utility model air-introduced machine and wet electrical dust precipitator are located between desulfuration absorbing tower and chimney, be positioned on the center line of desulfuration absorbing tower and chimney, distribute in vertical type, fan out draft is just to desulfuration absorbing tower, the flue of air-introduced machine and desulfuration absorbing tower is made to form straight-through flue, have take up an area little, flue material is few, resistance is little and flue gas flow field is even, can reduce the advantages such as initial cost cost.
3, the air outlet of air-introduced machine of the present utility model is just to desulfuration absorbing tower, and the curved buffering transition of flue that air-introduced machine is connected with desulfuration absorbing tower connects.The exhaust resistance of effective minimizing air-introduced machine, makes smoke distribution even, improves desulfuration efficiency, thus improve the performance driving economy in power plant.
4, house outlet of the present utility model can be distributed in the side of air-introduced machine, and layout can variously be rationalized.And multiple house outlet is connected with the air inlet of air-introduced machine by collecting pipe one, two wet electrical dust precipitator air intake vents connect with desulfuration absorbing tower respectively by ventilation duct arranged side by side, and air outlet is communicated with chimney air-out passage by collecting pipe two.Effectively can lower the flowing resistance of ventilation shaft thus, improve the operational efficiency of air inducing equipment and flue.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model prior art.
Fig. 2 is the structural representation of the utility model specific embodiment.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the front view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to Fig. 2 to Fig. 4, the deduster four of power plant shown in the present embodiment exports and the rear air and gas system combination layout structure of biserial air-introduced machine, comprise four house outlet 1, air-introduced machine structure 2), desulfuration absorbing tower 3, wet electrical dust precipitator 4 and chimney 5, air-introduced machine structure 2 forms biserial air-introduced machine structure by two air-introduced machines, and every two house outlet 1 connect the air inlet of an air-introduced machine; The air outlet of described two air-introduced machines respectively connects an air inlet of desulfuration absorbing tower 3, and the air outlet of desulfuration absorbing tower 3 connects the air inlet of chimney 5 by wet electrical dust precipitator 4; Desulfuration absorbing tower 3 is vertical structure, and the air inlet of desulfuration absorbing tower 3 is arranged on lower sidewall, air outlet is arranged on top; Air-introduced machine structure 2 and four house outlet 1 are arranged between desulfuration absorbing tower 3 and chimney 5, air-introduced machine structure 2 is positioned at the below of four house outlet 1, wet electrical dust precipitator 4 is positioned at the top of four house outlet 1, described house outlet 1 is in being horizontally disposed with, and the air inlet of air-introduced machine structure 2 is vertical setting, air outlet is in being horizontally disposed with; Longitudinal and transverse, the three-dimensional combination layout structure of vertical three-dimensional of air and gas system after the deduster of the outlet of formation deduster four and biserial air-introduced machine.
In embodiment:
Equipment and flue combination layout structure after the deduster of deduster four outlet and biserial air-introduced machine and biserial air-introduced machine, include four house outlet 1, two air-introduced machines 2, a desulfuration absorbing tower 3, a wet electrical dust precipitator 4 and a chimney 5, described wet electrical dust precipitator 4 is arranged on and connects desulfuration absorbing tower 3 with on the flue of chimney 5, described air-introduced machine 2 and wet electrical dust precipitator 4 are located between desulfuration absorbing tower 3 and chimney 5, be positioned at desulfuration absorbing tower 3 with on the center line of chimney 5, distribute in vertical type, described air-introduced machine 2 is arranged on immediately below wet electrical dust precipitator 4 side by side, air-introduced machine 2 air outlet is just to desulfuration absorbing tower 3, air-introduced machine 2 is made to form straight-through flue with the flue of desulfuration absorbing tower 3, described house outlet 1 is located at position, air-introduced machine 2 one or both sides, every two house outlet 1 air intake vents access an air-introduced machine 2 by flue, equipment and flue combination layout structure after the deduster of the outlet of formation deduster four and biserial air-introduced machine.
The curved buffering transition of the flue that described air-introduced machine 2 is connected with desulfuration absorbing tower 3 connects.
Remain with maintenance distance between described two air-introduced machines 2, the air outlet of air-introduced machine 2 is connected with desulfuration absorbing tower 3 air intake vent by flue arranged side by side.Described four house outlet 1, every two house outlet 1 are connected by the air inlet of a collecting pipe 1 with an air-introduced machine 2.
Described desulfuration absorbing tower 3 passes through two output flue access wet electrical dust precipitators 4 arranged side by side, and the output flue of wet electrical dust precipitator 4 accesses discharge in chimney 5 by a collecting pipe 2 41.
The turning of described each flue adopts circular slow 6 connection of turning.
Above-mentioned collecting pipe one and collecting pipe two are utility model patent " cigarette air channel and two-in-one collecting pipe (patent No.: ZL 2,014 2 0211669.0) thereof " technology adopting the applicant's application, and described each equipment and flue can be fixed by common support framework.
For conventional coal-fired station, main building mainly arranges three parts after point steam turbine building, boiler room and stove.Boiler and the equal centralized arrangement of air and gas system are after boiler room (containing bunker bay) and stove, and wherein the relative position of boiler and deduster is substantially fixing.
In this combined layout scheme: every two house outlet 1 enter air-introduced machine 2 entrance by a collecting pipe 1, two horizontal parallel side-by-side of air-introduced machine are arranged between desulfuration absorbing tower and chimney, be positioned at below wet electrical dust precipitator 4, air-introduced machine 2 exhaust pass just connects desulfuration absorbing tower 3 entrance, desulfuration absorbing tower 3 exports employing two circular connecting pipe road uniform distribution flue gases, wet electrical dust precipitator 4 is entered by slow 6 slow the turning of turning of circle, wet electrical dust precipitator 4 is arranged directly over air-introduced machine 2, flue gas purifies further through wet electrical dust precipitator 4, chimney is entered by collecting pipe 2 41 interflow.The air-introduced machine 2 of final vertical distribution is up and down arranged with 5 one-tenth, chimney " one " font with the desulfuration absorbing tower 3 that wet electrical dust precipitator 4 and its both sides distribute.
The air-introduced machine 2 of upper associating arrangement is provided with the access head of 0-180 ° of corner by porch, make air-introduced machine 2 entrance can 0-180 ° of angle air intake, and outlet, just to desulfuration absorbing tower 3 entrance, makes desulfuration absorbing tower 3 inlet flue gas even flow field, improves desulfuration efficiency; Two air-introduced machine 2 both sides reserve separately and are not less than the wide maintenance distance place of 5m, are convenient to safeguard; Between each equipment, flue turning is by circular slow 6 switching of turning, and make the smooth and easy connection of flue, flue resistance reduces.After deduster, the layout of each equipment and flue makes full use of desulfuration absorbing tower 3 and chimney 5 transverse direction and vertical space, and the distance between house outlet 1 to chimney 5 center line is significantly reduced within 25 meters.

Claims (8)

1. power plant's deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, comprise four house outlet (1), air-introduced machine structure (2), desulfuration absorbing tower (3), wet electrical dust precipitator (4) and chimney (5), it is characterized in that: air-introduced machine structure (2) forms biserial air-introduced machine structure by two air-introduced machines, every two house outlet (1) connect the air inlet of an air-introduced machine; The air outlet of described two air-introduced machines respectively connects an air inlet of desulfuration absorbing tower (3), and the air outlet of desulfuration absorbing tower (3) connects the air inlet of chimney (5) by wet electrical dust precipitator (4); Desulfuration absorbing tower (3) is vertical structure, desulfuration absorbing tower (3) air inlet is arranged on lower sidewall, air outlet is arranged on top; Air-introduced machine structure (2) and four house outlet (1) are arranged between desulfuration absorbing tower (3) and chimney (5), air-introduced machine structure (2) is positioned at the below of four house outlet (1), wet electrical dust precipitator (4) is positioned at the top of four house outlet (1), wet electrical dust precipitator (4) is positioned at directly over air-introduced machine structure (2), described house outlet (1) is in being horizontally disposed with, and the air inlet of air-introduced machine structure (2) is vertical setting, air outlet is in being horizontally disposed with; Longitudinal and transverse, the three-dimensional combination layout structure of vertical three-dimensional of air and gas system after the deduster of the outlet of formation deduster four and biserial air-introduced machine.
2. power plant according to claim 1 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: wet electrical dust precipitator (4) is arranged on and connects desulfuration absorbing tower (3) with on the flue of chimney (5), the air-introduced machine of described air-introduced machine mechanism (2) is positioned on the center line between desulfuration absorbing tower (3) and chimney (5), described air-introduced machine is arranged on immediately below wet electrical dust precipitator (4) side by side, the air outlet of this air-introduced machine is just to the air inlet of desulfuration absorbing tower (3), the flue of air-introduced machine and desulfuration absorbing tower (3) is made to form straight-through flue, described house outlet (1) is located at air-introduced machine (2) position, one or both sides, every two house outlet (1) access an air-introduced machine (2) by flue.
3. power plant according to claim 1 and 2 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: the curved buffering transition of flue that described air-introduced machine structure (2) is connected with desulfuration absorbing tower (3) connects.
4. power plant according to claim 1 and 2 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: remain with maintenance distance between described two air-introduced machines, the air outlet of air-introduced machine is connected by the air inlet of flue arranged side by side with desulfuration absorbing tower (3).
5. power plant according to claim 1 and 2 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: described four house outlet (1), every two house outlet (1) are connected with the air inlet of an air-introduced machine by one of collecting pipe (11).
6. power plant according to claim 1 and 2 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: described desulfuration absorbing tower (3) is by two output flues access wet electrical dust precipitator (4) arranged side by side, and the output flue of wet electrical dust precipitator (4) is accessed in chimney (5) by collecting pipe two (41).
7. power plant according to claim 3 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: the turning of described each flue adopts circular slow turning head (6) connection.
8. power plant according to claim 1 and 2 deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine, it is characterized in that: described air-introduced machine entrance is provided with the access head of 0-180 ° of corner.
CN201520289428.2U 2015-05-06 2015-05-06 Power plant's deduster four exports and the rear air and gas system combination layout structure of biserial air-introduced machine Expired - Fee Related CN204704831U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791821A (en) * 2015-05-06 2015-07-22 中国能源建设集团广东省电力设计研究院有限公司 Combined arrangement structure of four outlets of dust remover and rear smoke and air systems of two rows of induced draft fans for power plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791821A (en) * 2015-05-06 2015-07-22 中国能源建设集团广东省电力设计研究院有限公司 Combined arrangement structure of four outlets of dust remover and rear smoke and air systems of two rows of induced draft fans for power plant
CN104791821B (en) * 2015-05-06 2018-01-26 中国能源建设集团广东省电力设计研究院有限公司 The power plant outlet of deduster four and the rear air and gas system combination layout structure of biserial air-introduced machine

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20151014

Termination date: 20180506