CN201531282U - Vacuum deoxygenation condensation system - Google Patents
Vacuum deoxygenation condensation system Download PDFInfo
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- CN201531282U CN201531282U CN2009202508978U CN200920250897U CN201531282U CN 201531282 U CN201531282 U CN 201531282U CN 2009202508978 U CN2009202508978 U CN 2009202508978U CN 200920250897 U CN200920250897 U CN 200920250897U CN 201531282 U CN201531282 U CN 201531282U
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Abstract
The utility model discloses a vacuum deoxygenation condensation system, comprising a steam turbine connected with a generator, a steam condenser connected with an output end of the steam turbine and provided with a water injection pumping device for keeping the vacuum environment and a boiler feed pump connected with the output end of the steam turbine by a steam condenser hot well at the lower part of the steam condenser, wherein an upper taking port of the steam condenser is provided with a chemical compensation water and a system drain line; the water injection pumping device comprises a water injection pump with an input end connected with a water injection circulation water box and an output end connected with a water injection vacuum pump and the output end of the water injection vacuum pump is connected with the water injection circulation water box by a device interface. The advantages of the utility model are that: the problems of the traditional vacuum deoxygenation condensation system are fundamentally solved: dispersed device arrangement, complicated pipe, not convenient construction and large fund investment.
Description
Technical field
The utility model relates to a kind of key equipment of industrial afterheat power generation technology, and in particular, the utility model relates to a kind of 25MW of being applicable to, the 1.6MPa deaeration in condenser condenser system with tubine.
Background technique
Thermal de-aeration in the oxygen-eliminating device is generally adopted in large-size thermal power plant boiler feed water at present, and the industrial afterheat power generation system then generally adopts deaeration in condenser in the oxygen-eliminating device.Comparatively speaking, the latter's deoxidation method can reduce steam turbine last stage and bleed, and reduces boiler feed temperature, and, because this system has utilized exhaust heat boiler economizer section fully to reclaim smoke discharging residual heat, so, can improve the heat recovery rate of system, reduce temperature of exhaust fume, increase generated energy.But the setting type of system still follows the setting type of traditional Thermal Power Station.
Traditional vacuum deoxygenation condenser system as shown in Figure 1: the exhaust steam of steam turbine 1 is passed in the vapour condenser 3, arrive condensate pump 9 through the condenser hotwell 4 that is arranged on described vapour condenser 3 bottoms then, be delivered to it independently by described condensate pump 9 that oxygen-eliminating device 10 carries out deaeration in condenser again, the water of condensation behind the deaeration in condenser then by boiler feed pump 5 pressurized delivered to the exhaust heat boiler hot water section.Wherein: the jetting air extractor that the vacuum environment of described vapour condenser 3 is made up of jetting cyclic water tank 6, water-jet pump 7 and jetting vacuum pump 8 is kept; The jetting air extractor that the vacuum environment of described oxygen-eliminating device 10 is made up of water-jet pump 11 and vacuum pump 12 is kept.
The formation of said system and setting type have the following disadvantages:
(1) because the requirement of described boiler feed pump 5 net positive suction heads, described vapour condenser 3, condensate pump 9, vacuum dust cather 10 and boiler feed pump 5 are arranged by different floor heights usually, equipment in the system is disperseed, and make the setting of connecting tube be tending towards complicated;
(2) factors such as existing equipment dispersion, pipeline complexity during aforementioned system is provided with are design, the construction of carrying out system in the steam turbine building of space compactness and bring very big inconvenience, and simultaneously, the fund input that needs is also very big.
The model utility content
The purpose of this utility model solves the existing apparatus arrangement dispersion of traditional deaeration in condenser condenser system, pipeline complexity, construction inconvenience and the big problem of fund input exactly, and a kind of novel deaeration in condenser condenser system is provided for this reason.
Deaeration in condenser condenser system of the present utility model, comprise the steam turbine that connects generator, the output terminal connection of described steam turbine is kept the vapour condenser of its vacuum environment by the jetting air extractor and is passed through the condenser hotwell connection boiler feed pump of described vapour condenser bottom, and the top of described vapour condenser is got mouth and is provided with chemistry filled water and system's hydrophobic pipeline.
Described jetting air extractor comprises that its input end connects the water-jet pump of jetting cyclic water tank, its output terminal connection jetting vacuum pump, and described jetting vacuum delivery side of pump takes back described jetting cyclic water tank by equipment interface.
The utility model utilizes the vacuum environment of described vapour condenser to reach the hydrophobic purpose of carrying out deaeration in condenser of chemistry filled water and system, compared with prior art, has following beneficial effect:
(1) vapour condenser, condensate pump, vacuum dust cather in the original system are arranged with the same floor height that the dispersed placement of the different floor heights of boiler feed pump is reduced to vapour condenser of the present utility model and two equipment of boiler feed pump, to improve the equipment of entire system, reduce occupation area of equipment, simplify connecting tube, thereby shorten engineering design and installation period.
(2) the higher water of oxygen content is injected in the condenser vacuum environment of the present utility model with chemistry filled water and system be hydrophobic etc., utilizes its vacuum environment to carry out deoxygenation, to satisfy the requirement of power generation system to feed water quality.
(3) the same floor height setting type of boiler feed pump and vapour condenser in the utility model has not only satisfied the requirement of boiler feed pump net positive suction head, and has satisfied boiler feed water lift of pump and traffic requirement.
Description of drawings
Fig. 1 is the structural representation of traditional deaeration in condenser condenser system;
Fig. 2 is the structural representation of deaeration in condenser condenser system of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Fig. 1, Fig. 2 show the formation situation of traditional deaeration in condenser condenser system and the utility model deaeration in condenser condenser system respectively.
Referring to Fig. 1, for traditional deaeration in condenser condenser system, the exhaust steam that connects the steam turbine 1 of generator 2 at first enters vapour condenser 3 and is cooled in described vapour condenser 3 that (vacuum environment of described vapour condenser 3 is by jetting cyclic water tank 6 in water cooling, water-jet pump 7 is kept with the jetting air extractor that jetting vacuum pump 8 is formed), thereby by gaseous state be cooled to described vapour condenser 3 in the corresponding saturated liquid water of pressure arrive the condenser hotwell 4 that is arranged on described vapour condenser 3 bottoms, again by the condensate pump 9 that connects described condenser hotwell 4 with its extraction and deliver to high-order vacuum dust cather 10 and carry out deaeration in condenser, chemistry filled water injects described vacuum dust cather 10 simultaneously, at last, water of condensation behind the deaeration in condenser to exhaust heat boiler economizer hot water section, is so far finished the work cycle of a deaeration in condenser by boiler feed pump 5 pressurized delivered.
Referring to Fig. 2, for deaeration in condenser condenser system of the present utility model, the exhaust steam that connects the steam turbine 101 of generator 102 enters vapour condenser 103 and is condensed into water of condensation, utilize its vacuum environment to carry out deoxygenation and assemble in the described condenser hotwell 4 being condensed into water in the described vapour condenser 103 hydrophobic being injected into of chemistry filled water and system simultaneously, again directly by boiler feed pump 105 pressurized delivered to the boiler economizer hot water section, thereby finish the work cycle of a deaeration in condenser.The vacuum environment of described vapour condenser 103 is kept with the jetting air extractor that jetting vacuum pump 108 is formed by jetting cyclic water tank 106, water-jet pump 107.
As seen, system of the present utility model setting, comprise the steam turbine 101 that is connected with generator 102, the output terminal of described steam turbine 101 connects the vapour condenser 103 of being kept its vacuum environment by the jetting air extractor, and the condenser hotwell 104 that passes through described vapour condenser 103 bottoms connects boiler feed pumps 105, described jetting air extractor comprises that its input end connects the water-jet pump 107 of jetting cyclic water tank 106, its output terminal connection jetting vacuum pump 108, and the output terminal of described jetting vacuum pump 108 takes back described jetting cyclic water tank 106 by equipment interface.
Contrast traditional deaeration in condenser condenser system, the supporting jetting air extractor that system and device of the present utility model has reduced the vacuum dust cather 10 among Fig. 1 and has been made up of water-jet pump 11 and vacuum pump 12, also reduced the setting of condensate pump 9, hydrophobic the changing of chemistry filled water and system that will be arranged on described vapour condenser 3 bottoms simultaneously originally is located at its top.The form that is provided with has like this been simplified the layout of system architecture and connecting tube, has also reduced equipment investment and floor space, has also brought facility for the design of this system, installation and debugging on the basis that guarantees good deaerating effect.
The utility model to the improvement of traditional deaeration in condenser condenser system for following consideration:
(1) because in the industrial afterheat power generation system, the main source of oxygen is chemistry filled water and the system oxygen content in hydrophobic, so, can utilize the vacuum environment in the vapour condenser that it is carried out deaeration in condenser.
(2) because in legacy system, the working pressure of described vapour condenser and vacuum dust cather is all 0.007Mpa substantially, so, utilize the vacuum environment of vapour condenser to carry out deoxygenation, just can cancel the inessential setting of vacuum dust cather.
(3) because the degree of vacuum in the described vapour condenser is higher, corresponding the reducing of oxygen partial pressure power meeting on its water surface is so the oxygen in the water will be overflowed and discharge by the outlet pipe of described Condenser Top naturally, thereby reaches the deoxygenation purpose.
Another difference of the utility model and prior art is: the hydrophobic top that all is arranged on described vapour condenser 103 of chemistry filled water in the system and system.In order to satisfy the purpose of condensation exhaust steam in steam turbine and deaeration in condenser, the utility model adopts cooling water that the exhaust steam in steam turbine of described vapour condenser 103 inside is carried out condensation, and the vacuum environment of utilizing described vapour condenser 103 is to the hydrophobic deaeration in condenser that carries out of chemistry filled water and system, increase the volume of described condenser hotwell 104 simultaneously, so that the requirement of the water yield sum of the water yield of described condenser hotwell 104 and chemistry filled water satisfies power generation system when starting boiler feed capacity.
The following examples are 5000t/d new type nonaqueous cement clinker production line afterheat generating systems:
The auxiliary construction of this system comprises: 1 head kiln waste Heat Boiler, 1 kiln tail waste heat boiler, 9MW filling condensing steam turbine generator group, 1 cover deaeration in condenser condenser system.
The steam merga pass main steam line that described head kiln waste Heat Boiler and kiln tail waste heat boiler produce enters described steam turbine 101 expansion actings and drives generator 102 and generates electricity, described steam turbine 101 exhausts enter the vapour condenser 103 that has the deaeration in condenser function, and (working pressure in the described vapour condenser 103 is 0.007MPa, the chemistry filled water amount is 1850kg/h, cooling water temperature is 27 ℃, flow is 3000t/h, water of condensation water outlet oxygen content is less than 0.05mg/L), and be condensed into water by described condenser hotwell 104 and directly deliver to head kiln waste Heat Boiler economizer section, thereby finish a work cycle through 105 pressurizations of described boiler feed pump.
Because the vapour condenser 103 in the system is arranged in same floor height with boiler feed pump 105, and the flow of described boiler feed pump 105 is 50m
3/ h, lift are 300m, and import step pressure is 0.0266MPa (2.72m water column), can satisfy the requirement that net positive suction head is 1m, thereby described boiler feed pump 105 can be moved by continous-stable.The water of condensation that described condenser hotwell 104 is discharged (the process deoxygenation) the directly import from described boiler feed pump 105 enters, and becomes boiler feed water through the outlet of described boiler feed pump 105.
Simplification setting of the present utility model makes described boiler feed pump 105 not only satisfy the requirement of inlet's net positive suction head, has also satisfied the lift and the traffic requirement of boiler feed water simultaneously; And described boiler feed pump 105 is arranged with floor height with described vapour condenser 103, also provides convenience for design in the steam turbine building of space compactness, installation native system.
Below in conjunction with the accompanying drawings and embodiments the utility model is schematically described, this description does not have restricted.Those skilled in the art will be understood that in actual applications the structure of each parts, shape or set-up mode all may some change take place according to production requirement and on-the-spot installation situation in the utility model; And under enlightenment of the present utility model, other staff also may make the design similar to the utility model or the utility model is carried out some interpolations or change.Special needs to be pointed out is that only otherwise break away from design aim of the present utility model, all conspicuous changes and have the similar Design that is equal to replacement all should belong to protection domain of the present utility model.
Claims (2)
1. deaeration in condenser condenser system, comprise the steam turbine that connects generator, it is characterized in that, the output terminal connection of described steam turbine is kept the vapour condenser of its vacuum environment by the jetting air extractor and is passed through the condenser hotwell connection boiler feed pump of described vapour condenser bottom, and the top of described vapour condenser is got mouth and is provided with chemistry filled water and system's hydrophobic pipeline.
2. deaeration in condenser condenser system according to claim 1, it is characterized in that, described jetting air extractor comprises that its input end connects the water-jet pump of jetting cyclic water tank, its output terminal connection jetting vacuum pump, and described jetting vacuum delivery side of pump takes back described jetting cyclic water tank by equipment interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202508978U CN201531282U (en) | 2009-11-26 | 2009-11-26 | Vacuum deoxygenation condensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202508978U CN201531282U (en) | 2009-11-26 | 2009-11-26 | Vacuum deoxygenation condensation system |
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| Publication Number | Publication Date |
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| CN201531282U true CN201531282U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202508978U Expired - Lifetime CN201531282U (en) | 2009-11-26 | 2009-11-26 | Vacuum deoxygenation condensation system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536366A (en) * | 2010-11-22 | 2012-07-04 | 中材节能发展有限公司 | Dual-parameter dual-drive steam turbine power generator set |
| CN102997215A (en) * | 2012-06-14 | 2013-03-27 | 深圳市广前电力有限公司 | Quick start method and system of combined cycle unit |
| CN103075211A (en) * | 2013-01-09 | 2013-05-01 | 北京世纪源博科技股份有限公司 | Thermosyphon waste heat power generating system |
| CN103437841A (en) * | 2013-08-29 | 2013-12-11 | 宁夏天纵泓光余热发电技术有限公司 | Waste heat power generation system |
| CN103453777A (en) * | 2013-08-29 | 2013-12-18 | 宁夏天纵泓光余热发电技术有限公司 | Smoke residual heat power generating system |
| CN105910092A (en) * | 2015-11-26 | 2016-08-31 | 中国能源建设集团浙江省电力设计院有限公司 | Back pressure turbine vacuum deaerator system and condensation water circulation method |
-
2009
- 2009-11-26 CN CN2009202508978U patent/CN201531282U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536366A (en) * | 2010-11-22 | 2012-07-04 | 中材节能发展有限公司 | Dual-parameter dual-drive steam turbine power generator set |
| CN102536366B (en) * | 2010-11-22 | 2015-01-21 | 中材节能发展有限公司 | Dual-parameter dual-drive steam turbine power generator set |
| CN102997215A (en) * | 2012-06-14 | 2013-03-27 | 深圳市广前电力有限公司 | Quick start method and system of combined cycle unit |
| CN103075211A (en) * | 2013-01-09 | 2013-05-01 | 北京世纪源博科技股份有限公司 | Thermosyphon waste heat power generating system |
| CN103437841A (en) * | 2013-08-29 | 2013-12-11 | 宁夏天纵泓光余热发电技术有限公司 | Waste heat power generation system |
| CN103453777A (en) * | 2013-08-29 | 2013-12-18 | 宁夏天纵泓光余热发电技术有限公司 | Smoke residual heat power generating system |
| CN105910092A (en) * | 2015-11-26 | 2016-08-31 | 中国能源建设集团浙江省电力设计院有限公司 | Back pressure turbine vacuum deaerator system and condensation water circulation method |
| CN105910092B (en) * | 2015-11-26 | 2018-06-12 | 中国能源建设集团浙江省电力设计院有限公司 | A kind of back pressure unit vacuum dust cather system and condensation water round-robin method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SINOMA ENERGY CONSERVATION CO., LTD. Free format text: FORMER NAME: SINOMA ENERGY CONSERVATION DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 300400 Tianjin city Beichen District Longzhou Road No. 1 Beichen building Patentee after: Sinoma Energy Conservation Ltd. Address before: 300400 Tianjin city Beichen District Longzhou Road No. 1 Beichen building Patentee before: Sinoma Energy Conservation Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |