CN204705071U - A kind of power plant central refrigerating system cold source equipment structure - Google Patents
A kind of power plant central refrigerating system cold source equipment structure Download PDFInfo
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- CN204705071U CN204705071U CN201520324973.0U CN201520324973U CN204705071U CN 204705071 U CN204705071 U CN 204705071U CN 201520324973 U CN201520324973 U CN 201520324973U CN 204705071 U CN204705071 U CN 204705071U
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Abstract
The utility model discloses a kind of power plant central refrigerating system cold source equipment structure, comprise lithium bromide adsorption water chilling unit 1, cooling by wind 2, a cold water circulation pump 3, No. two cold water circulation pumps 4, described lithium bromide adsorption water chilling unit 1 side connects cooling water backwater end 5 respectively, cooling water water inlet end 6, described lithium bromide adsorption water chilling unit 1 opposite side connects water collector end 7 respectively, water knockout drum end 8, described lithium bromide adsorption water chilling unit 1 be connected No. two cold water circulation pumps 4 between water collector end 7, described cooling by wind 2 side connects water collector end 7 respectively, water knockout drum end 8, described cooling by wind 2 be connected a cold water circulation pump 3 between water collector end 7.In the utility model, power plant is in starting period, turn(a)round, runtime, all there is reliable and stable low-temperature receiver, at arbitrary device or component inspection, along bad time, corresponding stand-by equipment is had to continue to play a role, to a great extent, reliable and stable low-temperature receiver can be provided, can economize on electricity again, reduce operating cost.
Description
Technical field
The utility model relates to the technical field of a kind of power plant refrigeration, specifically a kind of collocation form for power plant's central refrigerating system cold source equipment.
Background technology
The common central refrigerating system cold source equipment combination of current domestic contrast mainly contains following 4 kinds: water cooled chiller+cooling tower, water resource heat pump handpiece Water Chilling Units+cooling tower, cooling by wind, lithium bromide adsorption water chilling unit+cooling tower.Wherein, water cooled chiller+cooling tower pipe-line system is complicated, and water cooled chiller power consumption is high; Water resource heat pump handpiece Water Chilling Units+cooling tower device systems is huge, and flow process is complicated, and overall cost is higher, and large by local water condition restriction, has certain influence, disagree with the water-saving policy of country water body.Wind water chilling unit system is simple, arrangement convenience, but unit volume is comparatively large, and arrange that site requirements is higher, consumption rate is quite high, and affects by local air velocity, temperature, and system is unstable.Lithium bromide adsorption water chilling unit+cooling tower can utilize residual heat of electric power plant, used heat and other low grade heat energies, and operating cost is few, and security is good, take heat energy as power, power consumption is few, but when power plant's starting period and turn(a)round provide without heat energy, has the shortcoming that unit can not run.Therefore, be necessary that design is a kind of and reliable and stable low-temperature receiver can be provided, can economize on electricity again, reduce power plant's refrigeration system of operating cost.
Summary of the invention
For now at present Problems existing and deficiency, provide a kind of power plant central refrigerating system cold source equipment structure, concrete technical scheme is as follows:
A kind of power plant central refrigerating system cold source equipment structure, comprise lithium bromide adsorption water chilling unit 1, cooling by wind 2, a cold water circulation pump 3, No. two cold water circulation pumps 4, described lithium bromide adsorption water chilling unit 1 side connects cooling water backwater end 5 respectively, cooling water water inlet end 6, described lithium bromide adsorption water chilling unit 1 opposite side connects water collector end 7 respectively, water knockout drum end 8, described lithium bromide adsorption water chilling unit 1 be connected No. two cold water circulation pumps 4 between water collector end 7, described cooling by wind 2 side connects water collector end 7 respectively, water knockout drum end 8, described cooling by wind 2 be connected a cold water circulation pump 3 between water collector end 7.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, be provided with closed cooling tower 9, described closed cooling tower 9 is connected on the pipeline of cooling water water inlet end 6 and cooling water backwater end 5.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, described lithium bromide adsorption water chilling unit 1 is more than two or two, is arranged in parallel between described lithium bromide adsorption water chilling unit 1.
Alternately, the configuration structure of above-mentioned a kind of power plant central refrigerating heating system, a described cold water circulation pump 3 is more than two or two, is arranged in parallel between a described cold water circulation pump 3.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, described No. two cold water circulation pumps 4 are more than three or three, are arranged in parallel between described No. two cold water circulation pumps 4.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, described lithium bromide adsorption water chilling unit 1 is steam double-effect type lithium bromide adsorption water chilling unit.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, arranges electric butterfly valve 10 between described lithium bromide adsorption water chilling unit 1 and cooling water backwater end 5.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, arranges electric butterfly valve 10 between described lithium bromide adsorption water chilling unit 1 and No. two cold water circulation pumps 4.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, arranges electric butterfly valve 10 between described cooling by wind 2 and a cold water circulation pump 3.
Alternately, above-mentioned a kind of power plant central refrigerating system cold source equipment structure, the both sides of described electric butterfly valve 10 arrange butterfly valve 11 respectively.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
Power plant's central refrigerating system cold source equipment structure structure in the utility model is simple, includes lithium bromide adsorption water chilling unit, cooling by wind simultaneously.Two cover units can independently run.When power plant normally runs, use lithium bromide adsorption water chilling unit refrigeration.When power plant overhauls, start time, use cooling by wind refrigeration, make power plant in starting period, turn(a)round, runtime, all have reliable and stable low-temperature receiver.Two cover refrigeration systems can be set to independently run, and use in different engineering processes, non-interference each other.When arbitrary device or component inspection, corresponding stand-by equipment is had to continue to play a role.When arbitrary device or parts damages, the connected mode convenient for maintaining personnel of this central refrigerating system change.In addition, to a great extent, reliable and stable low-temperature receiver can be provided, can economize on electricity again, reduce operating cost.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is structural representation in the utility model.
Reference numeral:
CHS be cold water supplying pipe,
CHR be cold-water return pipe,
CWS be cooling water supply pipe,
CWR be CWR,
1 be lithium bromide adsorption water chilling unit, 2 for cooling by wind, 3 to be a cold water circulation pump, 4 be No. two cold water circulation pumps, 5 be cooling water backwater end, 6 be cooling water water inlet end, 7 be water collector end, 8 be water knockout drum end, 9 be closed cooling tower, 10 be electric butterfly valve, 11 be butterfly valve, 12 be check-valves, 13 for head, 15 sized by flexible joint, 14 be hand rotating brush filter, 16 be steam, 17 for condensate water, 18 is for being connected to condensed-water recovering device.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
The utility model provides a kind of refrigeration system cold source equipment combination, can provide reliable and stable low-temperature receiver, can economize on electricity again, reduces power plant's refrigeration system of operating cost.
As shown in Figure 1, a kind of power plant central refrigerating system cold source equipment structure, comprise lithium bromide adsorption water chilling unit 1, cooling by wind 2, a cold water circulation pump 3, No. two cold water circulation pumps 4, described lithium bromide adsorption water chilling unit 1 side connects cooling water backwater end 5 respectively, cooling water water inlet end 6, described lithium bromide adsorption water chilling unit 1 opposite side connects water collector end 7 respectively, water knockout drum end 8, described lithium bromide adsorption water chilling unit 1 be connected No. two cold water circulation pumps 4 between water collector end 7, described cooling by wind 2 side connects water collector end 7 respectively, water knockout drum end 8, described cooling by wind 2 be connected a cold water circulation pump 3 between water collector end 7.Steam 16 passes in lithium bromide adsorption water chilling unit 1, and the condensate water 17 of formation reclaims by being connected to condensed-water recovering device 18.
Be provided with closed cooling tower 9, described closed cooling tower 9 is connected on the pipeline of cooling water backwater end 5, cooling water water inlet end 6.
Described lithium bromide adsorption water chilling unit 1 is more than two or two, is arranged in parallel between described 2x60% lithium bromide adsorption water chilling unit 1.Described lithium bromide adsorption water chilling unit 1 is steam double-effect type lithium bromide adsorption water chilling unit.
A described cold water circulation pump 3 is more than two or two, is arranged in parallel between described 2x100% cold water circulation pump 3.Described No. two cold water circulation pumps 4 are more than three or three, are arranged in parallel between described 3x50% No. bis-cold water circulation pumps 4.Wherein 100% refer to 100% output, such as feedwater requires that 100t is per hour, and namely 100% capacity requires that the flow of water pump wants 100t per hour.Namely 50% capacity requires that pump capacity is that 50t is per hour.
Between described lithium bromide adsorption water chilling unit 1 and cooling water backwater end 5, electric butterfly valve 10 is set.Between described lithium bromide adsorption water chilling unit 1 and No. two cold water circulation pumps 4, electric butterfly valve 10 is set.Between described cooling by wind 2 and a cold water circulation pump 3, electric butterfly valve 10 is set.The both sides of described electric butterfly valve 10 arrange butterfly valve 11 respectively.At the correspondence position of pipeline, according to specific needs check-valves 12, flexible joint 13, concentric reducer 14, hand rotating brush filter 15 are set with the situation of reality.
The utility model system operation mode is:
During normal cooling, run according to full factory of power plant refrigeration duty selection steam double-effect type lithium bromide adsorption water chilling unit 2x60%, No. two cold water circulation pumps 4.Select cooling by wind 1x100% according to power plant in the refrigeration duty of starting period and turn(a)round, a cold water circulation pump 3 runs.According to specific needs and actual conditions, described cooling by wind 2, cooling tower 9 are arranged in the good place of outdoor air flow.Described lithium bromide adsorption water chilling unit 1, No. two cold water circulation pumps 4 are arranged in indoor.
In power plant's starting period and turn(a)round: described cooling by wind 2 and the cold water circulation pump 3 be equipped with put into operation, and the unit valve that puts into operation all is in opening.Described lithium bromide adsorption water chilling unit 1 and be equipped with all valves on No. two cold water circulation pumps 4, cooling tower 9 and No. two cold water circulation pump 4 pipelines and be all in closed condition.
Power plant's error-free running period: described lithium bromide adsorption water chilling unit 1 and be equipped with all valves on No. two cold water circulation pumps 4, cooling tower 9 and cold No. two cold water circulation pump 4 pipelines and be all in opening.Described cooling by wind 2 and be equipped with all valves on cold water circulation pump 3 pipeline and be all in closed condition.
The utility model is not limited to aforesaid detailed description of the invention.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (10)
1. power plant's central refrigerating system cold source equipment structure, comprise lithium bromide adsorption water chilling unit (1), cooling by wind (2), a cold water circulation pump (3), No. two cold water circulation pumps (4), it is characterized in that: described lithium bromide adsorption water chilling unit (1) side connects cooling water backwater end (5) respectively, cooling water water inlet end (6), described lithium bromide adsorption water chilling unit (1) opposite side connects water collector end (7) respectively, water knockout drum end (8), described lithium bromide adsorption water chilling unit (1) be connected No. two cold water circulation pumps (4) between water collector end (7), described cooling by wind (2) side connects water collector end (7) respectively, water knockout drum end (8), a cold water circulation pump (3) is connected between described cooling by wind (2) with water collector end (7).
2. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, it is characterized in that: be provided with closed cooling tower (9), described closed cooling tower (9) is connected on the pipeline of cooling water water inlet end (6) and cooling water backwater end (5).
3. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, it is characterized in that: described lithium bromide adsorption water chilling unit (1) is more than two or two, be arranged in parallel between described lithium bromide adsorption water chilling unit (1).
4. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, is characterized in that: a described cold water circulation pump (3) is more than two or two, is arranged in parallel between a described cold water circulation pump (3).
5. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, is characterized in that: described No. two cold water circulation pumps (4) are more than three or three, is arranged in parallel between described No. two cold water circulation pumps (4).
6. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, is characterized in that: described lithium bromide adsorption water chilling unit (1) is steam double-effect type lithium bromide adsorption water chilling unit.
7. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, is characterized in that: arrange electric butterfly valve (10) between described lithium bromide adsorption water chilling unit (1) and cooling water backwater end (5).
8. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, is characterized in that: arrange electric butterfly valve (10) between described lithium bromide adsorption water chilling unit (1) and No. two cold water circulation pumps (4).
9. a kind of power plant as claimed in claim 1 central refrigerating system cold source equipment structure, is characterized in that: arrange electric butterfly valve (10) between described cooling by wind (2) and a cold water circulation pump (3).
10. a kind of power plant as claimed in claim 9 central refrigerating system cold source equipment structure, is characterized in that: the both sides of described electric butterfly valve (10) arrange butterfly valve (11) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520324973.0U CN204705071U (en) | 2015-05-20 | 2015-05-20 | A kind of power plant central refrigerating system cold source equipment structure |
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| CN201520324973.0U CN204705071U (en) | 2015-05-20 | 2015-05-20 | A kind of power plant central refrigerating system cold source equipment structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320425A (en) * | 2016-09-18 | 2017-01-11 | 上海展华电子有限公司 | Water chiller unit heat energy recovery and utilization system |
| CN107843125A (en) * | 2017-10-16 | 2018-03-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Distributed busbar protection recirculating cooling water system |
| CN109186125A (en) * | 2018-09-12 | 2019-01-11 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of power plant's central refrigerating system cold source configuration structure and operating method |
-
2015
- 2015-05-20 CN CN201520324973.0U patent/CN204705071U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320425A (en) * | 2016-09-18 | 2017-01-11 | 上海展华电子有限公司 | Water chiller unit heat energy recovery and utilization system |
| CN107843125A (en) * | 2017-10-16 | 2018-03-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Distributed busbar protection recirculating cooling water system |
| CN107843125B (en) * | 2017-10-16 | 2019-09-13 | 中国能源建设集团广东省电力设计研究院有限公司 | Distributed busbar protection recirculating cooling water system |
| CN109186125A (en) * | 2018-09-12 | 2019-01-11 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of power plant's central refrigerating system cold source configuration structure and operating method |
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