CN109610893B - Arrangement structure of coal-fired power plant main power house with limited site - Google Patents
Arrangement structure of coal-fired power plant main power house with limited site Download PDFInfo
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- CN109610893B CN109610893B CN201811468372.1A CN201811468372A CN109610893B CN 109610893 B CN109610893 B CN 109610893B CN 201811468372 A CN201811468372 A CN 201811468372A CN 109610893 B CN109610893 B CN 109610893B
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Abstract
The invention discloses an arrangement structure for reforming a main power plant of an old power plant, which comprises a steam turbine room, boiler rooms and a centralized control building, wherein the boiler rooms are positioned at the left side and the right side of the steam turbine room, and the centralized control building is arranged between the two boiler rooms; the centralized control room is arranged in the centralized control building, a boiler operation layer is arranged in the boiler room, a steam turbine room operation layer is arranged in the steam turbine room, the centralized control room and the boiler operation layer are on the same flat layer and are located on the upper layer of the steam turbine room operation layer, and the centralized control room is connected with a connecting channel leading to the steam turbine room operation layer and a first connecting platform leading to the boiler operation layer. The side coal bunker and the centralized control building are integrally arranged into a south-north strip shape, the steam turbine room running layer is embedded in the middle of the steam turbine room, and the boiler rooms are arranged on two sides of the centralized control building, so that all areas are reasonably arranged. The centralized control room is arranged at the intersection of the steam turbine room and the comprehensive control building and is located at the core position, and the steam turbine room, the boiler room and the comprehensive control building are convenient to remove from each floor. The centralized control room is positioned above the steam turbine room running layer, so that the platform of the steam turbine running layer can be observed conveniently.
Description
Technical Field
The invention relates to the technical field of arrangement forms of main plants of coal-fired power plants, in particular to an arrangement structure of a main plant of a coal-fired power plant with a limited site.
Background
The project is located in Gillgis Techjenkian, a modification project of old factories. And (3) removing part of the original old unit and building in the original site. The requirements of owners and the limitations of site conditions cause the layout of the project and the conventional power plant to be very different: the engineering is to demolish and build newly on the original place, the place of the engineering is in the north-south direction, the main factory building is on the north side of the place, and the chimney is on the south side. The undetached old plant unit is still in operation, part of main pipelines of the old plant pass through the north side of the engineering field, and the old plant can not be dismantled under the clear requirement of an owner, and meanwhile, a main traffic road of the power plant is arranged on the south side of the field. The west side of the site is also a main traffic road of the power plant, and the east side is a unit of the old plant which is still running. Thus, the site of the project is severely limited. The conventional coal fired power plant main building layout is: the three rows of the steam engine room, the oxygen removal bunker bay and the boiler room are arranged in series, but the traditional three row arrangement cannot be arranged in a row due to the site limitation of the project.
Gelgistan is located in the middle Asia and China Xinjiang Uygur autonomous region to border, the inland latitude is higher, the local winter time is longer and very cold, so that the local heating period is up to half a year. The power plant reconstructed by the project is the most important winter heat source in the local, and in order to meet the local higher heating requirement, a boiler with larger output is selected to supply heat on the matching of the machine and the boiler in the project, so that the volume of a boiler room is enlarged, and the volume of a steam turbine room is smaller, so that a large boiler room is required to be matched with a small steam turbine room. Because the height of each layer all has improved in the boiler room, this has also led to the centralized control room and has received the influence with arranging of steam turbine room operation layer, and usual, centralized control room and steam turbine room operation layer are located same layer, and the centralized control room of being convenient for is controlled and is observed steam turbine room operation layer, nevertheless need rearrange the centralized control room in this patent with the boiler of matcing big volume and the steam turbine of small volume simultaneously.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide a main plant which is simple in structure and reasonable in arrangement.
In order to achieve the purpose, the layout structure of the coal-fired power plant main plant with limited site comprises a steam turbine room, boiler rooms and a centralized control building, wherein the boiler rooms are positioned at the left side and the right side of the steam turbine room, and the centralized control building is arranged between the two boiler rooms; the centralized control room is connected with a connecting channel leading to the steam turbine room running layer and a first connecting platform leading to the boiler running layer.
Furthermore, the left side and the right side of the centralized control building are provided with side coal bunkers, and the side coal bunkers and the centralized control building are connected into a whole comprehensive control building.
Furthermore, the centralized control room is located in the middle of the intersection of the steam turbine room and the comprehensive control building, a second connecting platform is respectively connected between the left side and the right side of the steam turbine room and the two boiler rooms, and a second connecting platform is also respectively connected between the left side and the right side of the comprehensive control building and the two boiler rooms.
Further, the centralized control room with the junction of steam turbine room is equipped with the vestibule, the vestibule is located the upper strata on steam turbine room operation layer, connect respectively at the both ends of interface channel the vestibule with steam turbine room operation layer.
Preferably, the connecting channel is a steel ladder symmetrically arranged at the left end and the right end of the porch.
Furthermore, a third connecting platform and a connection channel which are communicated with the boiler operation layer are respectively arranged between the left side and the right side of the steam turbine room operation layer and the boiler operation layer, the third connecting platform and the boiler operation layer are positioned on the same flat layer, and two ends of the connection channel are respectively connected with the third connecting platform and the steam turbine room operation layer.
Further, the third connecting platform and the communication channel are arranged at positions corresponding to the steam turbine of the steam turbine room running layer.
Preferably, the communication channel is a steel ladder.
The invention has the beneficial effects that: the invention arranges the side coal bunker and the centralized control building into a south-north strip shape integrally, the middle part of the steam turbine room is embedded into the running layer of the steam turbine room, and the boiler rooms are arranged at two sides of the centralized control building, so that all areas are arranged reasonably. The centralized control room is arranged at the intersection of the steam turbine room and the comprehensive control building and is located at the core position, and the steam turbine room, the boiler room and the comprehensive control building are convenient to remove from each floor. The centralized control room is positioned on the upper layer of the operation layer of the steam turbine room, so that the platform of the operation layer of the steam turbine can be observed conveniently. Simultaneously, still set up the vestibule in the centralized control room face steam turbine room operation layer platform side, both increased the syllable-dividing effect of centralized control room, increased the security again for the field of vision that follows the steam turbine operation layer of centralized control room observation is better simultaneously. Two steel ladders are arranged at two ends of the porch and lead to the operation layer of the steam turbine room. The third connecting platform and the communication channel are arranged to facilitate the communication between the steam turbine operation layer and the boiler operation layer.
Drawings
FIG. 1 is a plan view of a 0.00 m-floor main building layout according to the present invention;
FIG. 2 is a plan view of an operational level of the boiler operational level of the present invention connected to a steam turbine room operational level;
FIG. 3 is an elevation view of the boiler operating floor and steam turbine room operating floor of the present invention;
the system comprises a steam turbine room 1, a steam boiler room 2, a centralized control building 3, a centralized control room 4, a steam turbine room running layer 5, a lateral coal bunker 6, a comprehensive control building 7, a second connecting platform 8, a door gallery 9, a connecting channel 10, a boiler running layer 11, a third connecting platform 12, a connection channel 13 and a first connecting platform 14.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The arrangement structure of the coal-fired power plant main power house with limited site as shown in fig. 1-3 comprises a steam turbine room 1 and boiler rooms 2, wherein the boiler rooms 2 are positioned at the left side and the right side of the steam turbine room 1, a centralized control building 3 is arranged between the two boiler rooms 2, the left side and the right side of the centralized control building 3 are side coal bunkers 6, and the side coal bunkers 6 are connected with the centralized control building 3 to form an integral comprehensive control building 7.
Be equipped with centralized control room 4 in centralized control building 3, centralized control room 4 is located steam turbine room 1 with the middle part of the crossing department of comprehensive control building 7 is equipped with boiler operation layer 11 in boiler room 2, is equipped with steam turbine room operation layer 5 in steam turbine room 1, and centralized control room 4 is in same flat bed with boiler operation layer 11, all is located steam turbine room operation layer 5 upper strata, the junction of centralized control room 4 and steam turbine room 1 is equipped with vestibule 9, and vestibule 9 is located steam turbine room operation layer 5's upper strata, and vestibule 9's both ends are connected with a steel ladder respectively, and vestibule 9 and steam turbine room operation layer 5 are connected respectively to the both ends of steel ladder. The left and right sides of the centralized control room 4 are also connected with first connecting platforms 14 leading to the boiler operation layer 11.
A second connecting platform 8 is respectively connected between the left side and the right side of the steam turbine room 1 and the two boiler rooms 2, and a second connecting platform 8 is also respectively connected between the left side and the right side of the integrated control building 7 and the two boiler rooms 2.
A third connecting platform 12 and a steel ladder communicated with the boiler operation layer 11 are respectively arranged between the left side and the right side of the steam turbine room operation layer 5 and the boiler operation layer 11, and the third connecting platform 12 and the steel ladder are arranged at positions corresponding to the steam turbine of the steam turbine room operation layer 5. The third connecting platform 12 and the boiler operation layer 11 are located on the same flat layer, and two ends of the steel ladder are respectively connected with the third connecting platform 12 and the steam turbine room operation layer 5.
In the present invention,
a steam turbine room: three layers are divided. The elevations were. + -. 0.00m, 4.50m and 9.00m, respectively. The steam turbine generator is arranged on a 9.00m running layer of a steam turbine room, the large platform is arranged, and the distance between the central lines of the steam turbine generator and the A shaft is 11.00 m. And +/-0.00 m is provided with a turbine generator base, an excitation booth, auxiliary equipment, an overhaul site and the like. Auxiliary equipment, a generator outgoing line platform, a factory power distribution room and the like are arranged on the 4.50m layers. And 9.00m layers are provided with a steam turbine generator. The steam turbine room roof is a solid steel beam and sandwich plate roof, the bottom elevation of the roof truss is 22.30m, a bridge crane is arranged below the roof truss, and the elevation of the rail top is 19.20 m. The roof is provided with a roof ventilator.
The steam turbine room 1/01 ~ 1 axle is the heat supply network initial station region: the two layers are divided into two layers, and the elevation is respectively +/-0.00 m and 6.50 m. A heat supply network circulating pump is arranged at 0.00m, and a heat supply network heater is arranged at 6.50 m.
A side coal bunker: totally dividing into four layers, wherein the elevations are respectively +/-0.00 m, 12.60m, 26.40m and 32.00m, and coal mills are arranged on the +/-0.00 m layers; a coal feeder and a coal hopper are arranged on 12.60m layers; the belt tensioning device is arranged in 18.60m layers; 27.40m layers of belt conveyors are arranged; 32.00m layers of transfer stations between coal bunkers are arranged.
Centralized control building: dividing the plate into five layers, wherein the elevations are respectively +/-0.00 m, 4.50m, 9.00m, 12.60m and 18.60 m; wherein the +/-0.00 m layer is provided with a 380kV distribution room, a storage battery room and a chemical dosing room; 4.50m layers of instruments, high-temperature racks, 380V boiler distribution rooms and electrical secondary equipment rooms are arranged; the 9.00m layer is a cable interlayer; a centralized control room, a thermal control electronic equipment room, a switching room and an engineer station are arranged at 12.60 m; 2 deaerators, air conditioners and belt tensioning devices were arranged in 18.60m layers.
Boiler room: the boiler is arranged in an island mode and is sealed in a close-fitting mode. Each boiler is provided with a passenger-cargo dual-purpose elevator. Closed staircases are arranged at two ends of the comprehensive control building 7, and walkways are arranged in the building and lead to the staircases at two ends. On the 12.6m floor of the integrated control building 7, the integrated control building 7 is effectively connected with the boiler room 2 through a second connecting platform 8. The centralized control room 4 is arranged at the intersection of the steam turbine room 1 and the comprehensive control building 7 and is located at a core position, and the operation of going to each layer of the steam turbine room 1, the boiler room 2 and the comprehensive control building 7 is convenient. Because of the arrangement mode of the large and small boilers, the elevation of the steam turbine room running layer 5 is 9.0m, and the boiler running layer 11 is 12.6m, the centralized control room 4 is arranged at 12.6m, and the observation of the steam turbine room running layer 5 is more convenient. Meanwhile, a 3.0 m-wide porch is arranged on the side, facing the platform 5 of the steam turbine room running layer, of the centralized control room 4, so that the sound insulation effect of the centralized control room 4 is improved, and the safety is also improved. Two connecting channels 10 are arranged at two ends of the porch 9 and lead to the 9.0m steam turbine room running layer 5. This design makes the air distribution more visible from the turbine room floor 5 to the central control room 4. In order to facilitate the connection between the steam turbine room operation layer 5 and the boiler operation layer 11, two steel ladders (connection channels 13) and a third connecting platform 12 are respectively arranged in the row B of the steam turbine room. A 3.3m wide through stokehole channel (a second connecting platform 8) is arranged between the row B of the steam turbine room and the boiler room 2 on the 0.00m layer; a channel (a second connecting platform 8) with the width of 3.5m is reserved between the two sides of the comprehensive control building 7 and the two furnaces, and the channel is vertically intersected with the front channel of the furnaces. The three channels ensure the effective connection and evacuation requirements of 0.00m between three areas of the main factory building. A reinforced concrete closed staircase is arranged at the intersection of the steam turbine room 1 and the comprehensive control building 7, is the most main evacuation staircase in the main plant area and can be communicated to floors and roofs of all layers of the main plant; the other end of the integrated control building 7 is also provided with a reinforced concrete closed staircase which can be communicated with floors of each floor of the integrated control building; a fixed end (in a heat supply network initial station) of the steam turbine room 1 is provided with a fire-fighting steel ladder, an extension end is provided with a fire-fighting steel ladder, and the distance between every two ladders is smaller than 100 m. Steel ladders for evacuation and maintenance are arranged beside the two turbines, and a certain number of evacuation and maintenance steel ladders are arranged on the operation layer 5 and the middle layer of the turbine room; the main equipment lifts and transports equipment through lifting holes arranged on an overhaul field in the middle of the steam turbine room 1 and floors on each layer of the upper part of the overhaul field; an electric rolling door for large equipment to come in and go out is installed at an entrance of the overhaul site.
Fire prevention of main workshop
The fire risk classification of the main building is class D, the fire rating is class II. Evacuation and fire prevention are strictly performed according to the building design fire protection code (GB50016-2014) and the design fire protection code of power plants and substations (GB 50229-2012).
The steam turbine room 1 and the boiler room 2 are separated by aerated concrete blocks, and doors on the wall are all B-level fireproof doors. A transformer is arranged in the range of 10m outside the row A of the steam turbine room, 300-thick aerated concrete blocks are adopted in the outer wall of the steam turbine room in each 3m outside the projection range of the outline of the transformer, and the fire resistance limit of the wall body is guaranteed not to be lower than 3 h. Because other outer walls are made of composite profiled steel plates, in order to ensure the same vertical surface effect, a layer of profiled steel plates is added on the outer side of the aerated concrete block wall. The integrated control building 7 and the boiler room 2 are separated by aerated concrete blocks, and the door opening on the wall is a second-level fireproof door.
The door of the evacuation staircase is a class B fireproof door; b-level fireproof doors are adopted for doors on the power distribution device room, the excitation equipment room, the cable interlayer, the cable shaft and partition walls of each workshop of the main plant; the fire door is opened towards the evacuation direction uniformly.
The arrangement of this patent has adopted the form of arranging of side coal bunker, but nevertheless is not in the mode of conventional side coal bunker, optimizes the mode of arranging of side coal bunker 6 according to actual conditions. Make side coal bunker 6 in the both sides of centralized control building 3, both guaranteed that side coal bunker 6 and boiler are closer apart from, shortened the length of various pipelines, embodied the advantage of side coal bunker 6 completely, added two again in the middle of side coal bunker 6 and strided, be used for arranging equipment reserve room, the rational utilization space between two stoves. In a limited field, the side coal bunker 6 and the centralized control building 3 are integrated into a whole to form a comprehensive control building 7, and the deoxidization coal bunker bay is integrated in the comprehensive control building 7, so that the limited field area is fully utilized. The method not only meets the requirements of process specialties, but also can perfect the overall arrangement of the main plant, and simultaneously, compared with the arrangement scheme of the conventional front coal bunker, the method has the advantages that the cost of the coal bunker and the four pipelines is relatively saved, and the method has better economic benefit. Due to the particularity of the project, the arrangement mode of the coal bunker on the normal side is innovated, under the restriction of urgent construction period and complex external conditions, specific conditions of a plant site are combined according to local conditions, a targeted design is adopted, the characteristics of the project, the requirements of each process specialty, convenience in operation and maintenance, convenience in construction conditions, environmental protection, engineering cost and other factors are comprehensively considered, comprehensive comparison is carried out according to the principles of 'safe first, human-oriented, environmental protection and economy', and finally a main plant arrangement scheme which is most suitable for engineering conditions is obtained.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a limited coal fired power plant main building's in place arrangement structure, includes steam turbine room (1), boiler room (2) and centralized control building (3), its characterized in that: the boiler rooms (2) are positioned at the left side and the right side of the steam turbine room (1), and the centralized control building (3) is arranged between the two boiler rooms (2); a centralized control room (4) is arranged in the centralized control building (3), a boiler operation layer (11) is arranged in the boiler room (2), a steam turbine room operation layer (5) is arranged in the steam turbine room (1), the centralized control room (4) and the boiler operation layer (11) are on the same level and are both positioned on the upper layer of the steam turbine room operation layer (5), and the centralized control room (4) is connected with a connecting channel (10) leading to the steam turbine room operation layer (5) and a first connecting platform (14) leading to the boiler operation layer (11);
the left side and the right side of the centralized control building (3) are provided with lateral coal bunkers (6), and the lateral coal bunkers (6) are connected with the centralized control building (3) to form an integral comprehensive control building (7);
the centralized control room (4) is located in the middle of the intersection of the steam turbine room (1) and the comprehensive control building (7), second connecting platforms (8) are connected between the left side and the right side of the steam turbine room (1) and the two boiler rooms (2) respectively, and the second connecting platforms (8) are connected between the left side and the right side of the comprehensive control building (7) and the two boiler rooms (2) respectively.
2. The site limited coal fired power plant main building layout structure of claim 1, wherein: centralized control room (4) with the junction of steam turbine room (1) is equipped with vestibule (9), vestibule (9) are located the upper strata of steam turbine room operation layer (5), connect channel's both ends are connected respectively vestibule (9) with steam turbine room operation layer (5).
3. The site-limited coal fired power plant main building layout structure of claim 2, wherein: the connecting channel is a steel ladder symmetrically arranged at the left end and the right end of the porch (9).
4. The site limited coal fired power plant main building layout structure of claim 1, wherein: the steam turbine room operation layer (5) is characterized in that a third connecting platform (12) and a connection channel (13) which are communicated with the boiler operation layer (11) are arranged between the left side and the right side of the steam turbine room operation layer (5) and the boiler operation layer (11) respectively, the third connecting platform (12) and the boiler operation layer (11) are located on the same flat layer, and two ends of the connection channel (13) are connected with the third connecting platform (12) and the steam turbine room operation layer (5) respectively.
5. The site limited coal fired power plant main building layout structure of claim 4, wherein: the third connecting platform (12) and the communication channel (13) are arranged at positions corresponding to the steam turbine of the steam turbine room running layer (5).
6. The site-limited coal-fired power plant main building layout structure of claim 4 or 5, characterized in that: the communication channel (13) is a steel ladder.
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| CN201811468372.1A CN109610893B (en) | 2018-12-03 | 2018-12-03 | Arrangement structure of coal-fired power plant main power house with limited site |
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| CN109610893B true CN109610893B (en) | 2021-01-12 |
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| CN202139876U (en) * | 2011-06-23 | 2012-02-08 | 中国电力工程顾问集团西北电力设计院 | Transverse structure of 1000MW stage set turbo generator set of thermal power plant |
| CN203487818U (en) * | 2013-08-09 | 2014-03-19 | 华能国际电力股份有限公司 | Main power house of thermal power plant |
| CN203947816U (en) * | 2014-03-05 | 2014-11-19 | 内蒙古电力勘测设计院有限责任公司 | A kind of indirect air cooling unit arrangement based on three tower unifications |
| CN105421831B (en) * | 2015-10-29 | 2018-03-06 | 中国电建集团河北省电力勘测设计研究院有限公司 | Thermal power plant main building arrangement form based on joint side coal bunker scheme |
| CN106499226B (en) * | 2016-11-14 | 2019-04-09 | 中国能源建设集团江苏省电力建设第三工程有限公司 | A kind of method of main building construction in layer |
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Address after: 430040 No. 1, Xinqiao four road, Jin Yin Hu District, Dongxihu District, Wuhan, Hubei Patentee after: Hubei Electric Power Planning, Design and Research Institute Co.,Ltd. Address before: 430040 No. 1, Xinqiao four road, Jin Yin Hu District, Dongxihu District, Wuhan, Hubei Patentee before: POWERCHINA HUBEI ELECTRIC ENGINEERING Corp.,Ltd. |