CN203310172U - Single-effect overlapping type lithium bromide absorption type cold water machine set with switching valves - Google Patents
Single-effect overlapping type lithium bromide absorption type cold water machine set with switching valves Download PDFInfo
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- CN203310172U CN203310172U CN2013202822868U CN201320282286U CN203310172U CN 203310172 U CN203310172 U CN 203310172U CN 2013202822868 U CN2013202822868 U CN 2013202822868U CN 201320282286 U CN201320282286 U CN 201320282286U CN 203310172 U CN203310172 U CN 203310172U
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- cooling water
- water inlet
- absorber
- valve
- water outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 title abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 80
- 239000006096 absorbing agent Substances 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 12
- 239000013535 sea water Substances 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 6
- 238000010977 unit operation Methods 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 description 27
- 239000003507 refrigerant Substances 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a single-effect overlapping type lithium bromide absorption type cold water machine set with switching valves. The single-effect overlapping type lithium bromide absorption type cold water machine set comprises a first generator (1a), a first condenser (2a), a first absorber (3a), a first evaporator (4a), a first solution heat exchanger (6a), a circulating water pump (10), a second generator (1b), a second condenser (2b), a second absorber (3b), a second evaporator (4b) and a second solution heat exchanger (6b). A cold water outlet pipeline of the first evaporator (4a) is additionally provided with a cold water outlet switching valve (11a). A cold water inlet switching valve (12a) is additionally arranged on a cold water inlet pipeline of the first evaporator (4a). A cooling water inlet pipe of the second absorber (3b) is additionally provided with a cooling water inlet pipeline which is provided with a cooling water inlet valve (12b). A cooling water outlet pipe of the second absorber (3b) is additionally provided with a cooling water outlet pipeline which is provided with a cooling water outlet valve (11b). The single-effect overlapping type lithium bromide absorption type cold water machine set can improve machine set energy using efficiency and lowers machine set operation cost.
Description
Technical field
The present invention relates to a kind of superposition type of single-action with transfer valve lithium bromide adsorption water chilling unit.Belong to air conditioner technical field.
Background technology
The current single-effect type lithium bromide adsorption water chilling unit refrigeration degree of depth is minimum generally 7 ℃ of left and right.And in Practical Project, often run into cooling water temperature higher and simultaneously need again to produce the situation of lower temperature cold water, be difficult to realize by traditional mono-potency lithium bromide absorption chiller, in order to realize the cryogenic refrigeration demand, the normal single-action superposition type lithium bromide adsorption water chilling unit that adopts, it is by the first generator 1a, the first condenser 2a, the first absorber 3a, the first evaporimeter 4a, the first solution heat exchanger 6a, the first cryogenic fluid pump 7a, the first solution pump 8a, the pipeline of first throttle device 9a and connecting components and valve etc. form independently the first kind of refrigeration cycle, by the second generator 1b, the second condenser 2b, the second absorber 3b, the second evaporimeter 4b, the second solution heat exchanger 6b, the second cryogenic fluid pump 7b, the second solution pump 8b, the pipeline of the second throttling arrangement 9b and connecting components and valve etc. form independently the second kind of refrigeration cycle, as Fig. 1.The cold water that the first kind of refrigeration cycle is produced is transported to the absorber of the second kind of refrigeration cycle by water circulating pump 10, as the cooling water of absorber, obtain required low temperature cold demand, but its COP value is lower, and has also increased the power consumption of water circulating pump 10.In early autumn or late autumn especially winter, when outside air temperature is low, cooling water temperature also can be lower, if still adopt former single-action superposition type unit, exist energy utilization rate lower, the problems such as the water pump power consumption is larger, the cold demands of how to improve the unit efficiency of energy utilization, reduce the unit operation cost, satisfied difference being freezed the degree of depth and load become one of research topic of lithium bromide adsorption water chilling unit on-line execute.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of single-action superposition type lithium bromide adsorption water chilling unit that improves unit efficiency of energy utilization, reduction unit operation cost, meets the cold demand of the different refrigeration degree of depth and loads is provided.
Purpose of the present invention realizes like this: a kind of superposition type of single-action with transfer valve lithium bromide adsorption water chilling unit, comprise the first generator, the first condenser, the first absorber, the first evaporimeter, the first solution heat exchanger, the first cryogenic fluid pump, the first solution pump, the first throttle device, water circulating pump, the second generator, the second condenser, the second absorber, the second evaporimeter, the second solution heat exchanger, the second cryogenic fluid pump, the pipeline of the second solution pump and the second throttling arrangement connecting components and valve, the cold water that goes out the first evaporimeter accesses the second absorber by water circulating pump, it is characterized in that: set up the cooling water outlet transfer valve on the first evaporimeter cooling water outlet pipeline, on the first evaporimeter cooling water inlet pipeline, set up the cooling water inlet transfer valve, on the second absorber cooling water inlet pipe, set up a cooling water inlet pipe road, and on this cooling water inlet pipe road, cooling sea water inlet valve is set, on the second absorber cooling water outlet pipe, set up a coolant outlet pipeline, and on this coolant outlet pipeline, cooling sea water outlet valve is set.Externally the cooling water temperature that provides of system is than under the condition of satisfied the second kind of refrigeration cycle operation of low energy, the first kind of refrigeration cycle is out of service, switches by valve, and the cooling water that external system provides directly enters the second absorber, the second kind of refrigeration cycle independent operating, just can make the cold water needed.
In these cases, the first kind of refrigeration cycle is not moved, if there is more cold demand, can increase the unit cooling ability by operation the first kind of refrigeration cycle yet.Described situation is achieved in that before the first evaporimeter cooling water outlet pipeline cooling water outlet transfer valve sets up a road cooling water outlet pipe, and sets up the cooling water outlet valve on this cooling water outlet pipe; Before the first evaporimeter cooling water inlet pipeline cooling water inlet transfer valve, set up a road cold water inlet tube, and on this cold water inlet tube, set up the cooling water inlet valve.Externally the cooling water temperature that provides of system meets under the condition of first, second kind of refrigeration cycle operation than low energy, by valve, switch, the cooling water that external system provides directly parallel connection enters the first absorber, the second absorber, the first kind of refrigeration cycle and the second kind of refrigeration cycle be independent operating simultaneously, meets more cold demand.
The invention has the beneficial effects as follows:
By increasing above-mentioned cold water, cooling water pipeline and valve, realize overlapping unit the first kind of refrigeration cycle and the second kind of refrigeration cycle independent operating or operation simultaneously, units consumption and operating cost reduce, and the COP value improves, and cooling ability strengthens.
The accompanying drawing explanation
Fig. 1 is single-action superposition type lithium bromide adsorption water chilling unit schematic flow sheet in the past.
Fig. 2 is the schematic flow sheet of the superposition type of the single-action with transfer valve lithium bromide adsorption water chilling unit of the present invention the second kind of refrigeration cycle energy independent operating.
Fig. 3 is the not only independent but also schematic flow sheet that can move simultaneously of first, second kind of refrigeration cycle of the superposition type of the single-action with transfer valve lithium bromide adsorption water chilling unit of the present invention.
Reference numeral:
The first generator 1a, the first condenser 2a, the first absorber 3a, the first evaporimeter 4a, the first solution heat exchanger 6a, the first cryogenic fluid pump 7a, the first solution pump 8a, first throttle device 9a, water circulating pump 10, cooling water outlet transfer valve 11a, cooling water inlet transfer valve 12a, cooling water inlet valve 13a, cooling water outlet valve 14a, the second generator 1b, the second condenser 2b, the second absorber 3b, the second evaporimeter 4b, the second solution heat exchanger 6b, the second cryogenic fluid pump 7b, the second solution pump 8b, the second throttling arrangement 9b, cooling sea water outlet valve 11b, cooling sea water inlet valve 12b.
The specific embodiment
As shown in Figure 2, the energy-saving superposition type lithium bromide adsorption water chilling of this single-action with transfer valve unit is comprised of the pipeline of the first generator 1a, the first condenser 2a, the first absorber 3a, the first evaporimeter 4a, the first solution heat exchanger 6a, the first cryogenic fluid pump 7a, the first solution pump 8a, first throttle device 9a, water circulating pump 10, the second generator 1b, the second condenser 2b, the second absorber 3b, the second evaporimeter 4b, the second solution heat exchanger 6b, the second cryogenic fluid pump 7b, the second solution pump 8b and the second throttling arrangement 9b connecting components and valve etc.Go out the cold water of the first evaporimeter 4a by water circulating pump 10 access the second absorber 3b.The pipeline of the first generator 1a, the first condenser 2a, the first absorber 3a, the first evaporimeter 4a, the first solution heat exchanger 6a, the first cryogenic fluid pump 7a, the first solution pump 8a, first throttle device 9a and connecting components and valve etc. form independently the first kind of refrigeration cycle, form independently the second kind of refrigeration cycle by the pipeline of the second generator 1b, the second condenser 2b, the second absorber 3b, the second evaporimeter 4b, the second solution heat exchanger 6b, the second cryogenic fluid pump 7b, the second solution pump 8b, the second throttling arrangement 9b and connecting components and valve etc.On the first evaporimeter 4a cooling water outlet pipeline, set up cooling water outlet transfer valve 11a; On the first evaporimeter 4a cooling water inlet pipeline, set up cooling water inlet transfer valve 12a; On the second absorber 3b cooling water inlet pipe, set up a cooling water inlet pipe road, and on this cooling water inlet pipe road, cooling sea water inlet valve 12b is set; On the second absorber 3b cooling water outlet pipe, set up a coolant outlet pipeline, and on this coolant outlet pipeline, cooling sea water outlet valve 11b is set.
Externally the cooling water temperature that provides of system is than under the condition of satisfied the second kind of refrigeration cycle operation of low energy, the first kind of refrigeration cycle is out of service, by closing cooling water outlet stop valve 11a, cooling water inlet transfer valve 12a, the cooling water pipeline of the first evaporimeter cold water pipeline and the second absorber is cut off fully, and cooling sea water outlet valve 11b, cooling sea water inlet valve 12b are opened simultaneously, allow the cooling water that external system provides directly enter the second absorber 3b, the second kind of refrigeration cycle independent operating, just can make the cold water needed.
In the second generator 1b, bromize lithium dilute solution is heated by thermal source, after going out refrigerant vapour, become concentrated solution, the concentrated solution produced enters the second absorber 3b through the second solution heat exchanger 6b, absorption, from the refrigerant vapour of the second evaporimeter 4b, becomes weak solution, then is driven by the second solution pump 8b, through the second solution heat exchanger 6b, enter the second generator 1b, complete the second solution circulation.In the second condenser 2b, refrigerant vapour from the second generator 1b is condensed into water as refrigerant, through the second throttling arrangement 9b, enter the second evaporimeter 4b, outside the second evaporimeter 4b heat-transfer pipe, evaporate the heat of absorption tube inner cold water, the refrigerant vapour produced is absorbed by the bromize lithium concentrated solution in the second absorber 3b, completes the second refrigerant cycle.
As shown in Figure 3, on the basis of above-mentioned flow process, before the first evaporimeter 4a cooling water outlet pipeline cooling water outlet transfer valve 11a, set up a road cooling water outlet pipe, and on this cooling water outlet pipe, set up cooling water outlet valve 14a; Before the first evaporimeter 4a cooling water inlet pipeline cooling water inlet transfer valve 12a, set up a road cold water inlet tube, and on this cold water inlet tube, set up cooling water inlet valve 13a.Externally the cooling water temperature that provides of system is than low energy satisfied first, under the condition of the second kind of refrigeration cycle operation, by closing cooling water outlet stop valve 11a, cooling water inlet transfer valve 12a, the cooling water pipeline of the first evaporimeter cold water pipeline and the second absorber is cut off fully, simultaneously by cooling sea water outlet valve 11b, cooling sea water inlet valve 12b, cooling water inlet valve 13a, cooling water outlet valve 14a opens, the cooling water that external system provides directly parallel connection enters the first absorber 3a, the second absorber 3b, the first kind of refrigeration cycle and the second kind of refrigeration cycle energy independent operating, meet more cold demand.
During unit operation, the cooling water serial or parallel connection enters the first absorber 3a, the first condenser 2a and the second condenser 2b.
Claims (3)
1. the superposition type of the single-action with transfer valve lithium bromide adsorption water chilling unit, comprise the first generator (1a), the first condenser (2a), the first absorber (3a), the first evaporimeter (4a), the first solution heat exchanger (6a), the first cryogenic fluid pump (7a), the first solution pump (8a), first throttle device (9a), water circulating pump (10), the second generator (1b), the second condenser (2b), the second absorber (3b), the second evaporimeter (4b), the second solution heat exchanger (6b), the second cryogenic fluid pump (7b), pipeline and the valve of the second solution pump (8b) and the second throttling arrangement (9b) connecting components, go out the cold water of the first evaporimeter (4a) by water circulating pump (10) access the second absorber (3b), it is characterized in that: set up cooling water outlet transfer valve (11a) on the first evaporimeter (4a) cooling water outlet pipeline, on the first evaporimeter (4a) cooling water inlet pipeline, set up cooling water inlet transfer valve (12a), on the second absorber (3b) cooling water inlet pipe, set up a cooling water inlet pipe road, and on this cooling water inlet pipe road, cooling sea water inlet valve (12b) is set, on the second absorber (3b) cooling water outlet pipe, set up a coolant outlet pipeline, and on this coolant outlet pipeline, cooling sea water outlet valve (11b) is set.
2. a kind of superposition type of single-action with transfer valve lithium bromide adsorption water chilling unit according to claim 1, it is characterized in that: set up a road cooling water outlet pipe the first evaporimeter (4a) cooling water outlet pipeline cooling water outlet transfer valve (11a) is front, and on this cooling water outlet pipe, set up cooling water outlet valve (14a); Set up a road cold water inlet tube the first evaporimeter (4a) cooling water inlet pipeline cooling water inlet transfer valve (12a) is front, and on this cold water inlet tube, set up cooling water inlet valve (13a).
3. a kind of superposition type of single-action with transfer valve lithium bromide adsorption water chilling unit according to claim 1 and 2, it is characterized in that: during unit operation, the cooling water serial or parallel connection enters the first absorber (3a), the first condenser (2a) and the second condenser (2b).
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CN2013202822868U CN203310172U (en) | 2013-05-22 | 2013-05-22 | Single-effect overlapping type lithium bromide absorption type cold water machine set with switching valves |
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CN2013202822868U CN203310172U (en) | 2013-05-22 | 2013-05-22 | Single-effect overlapping type lithium bromide absorption type cold water machine set with switching valves |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104089429A (en) * | 2014-06-27 | 2014-10-08 | 双良节能系统股份有限公司 | Overlapped air cooling single effect lithium bromide absorption refrigeration machine |
CN107560222A (en) * | 2017-08-04 | 2018-01-09 | 上海交通大学 | Using the absorption heat reservoir and its control method of absorption refrigeration cooling |
CN107560223A (en) * | 2017-09-26 | 2018-01-09 | 双良节能系统股份有限公司 | A kind of hot water type lithium bromide absorption cooling water dispenser group of variable effect operation |
-
2013
- 2013-05-22 CN CN2013202822868U patent/CN203310172U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104089429A (en) * | 2014-06-27 | 2014-10-08 | 双良节能系统股份有限公司 | Overlapped air cooling single effect lithium bromide absorption refrigeration machine |
CN107560222A (en) * | 2017-08-04 | 2018-01-09 | 上海交通大学 | Using the absorption heat reservoir and its control method of absorption refrigeration cooling |
CN107560222B (en) * | 2017-08-04 | 2020-07-14 | 上海交通大学 | Absorption type heat storage system adopting absorption type refrigeration and cooling and control method thereof |
CN107560223A (en) * | 2017-09-26 | 2018-01-09 | 双良节能系统股份有限公司 | A kind of hot water type lithium bromide absorption cooling water dispenser group of variable effect operation |
CN107560223B (en) * | 2017-09-26 | 2023-08-25 | 双良节能系统股份有限公司 | Hot water type lithium bromide absorption water chilling unit capable of effectively running |
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Granted publication date: 20131127 Termination date: 20210522 |
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CF01 | Termination of patent right due to non-payment of annual fee |