CN103868126A - Afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water - Google Patents
Afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water Download PDFInfo
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- CN103868126A CN103868126A CN201410071224.1A CN201410071224A CN103868126A CN 103868126 A CN103868126 A CN 103868126A CN 201410071224 A CN201410071224 A CN 201410071224A CN 103868126 A CN103868126 A CN 103868126A
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Abstract
The invention relates to an afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water. The afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water comprises a primary network hot water pipeline system (1), a first-loop secondary network hot water pipeline system (2), a second-loop secondary network hot water pipeline system (3), a first heat exchanger (4), a second heat exchanger (5), a hot-water-type lithium bromide absorption unit (6) and a direct-burning-type lithium bromide absorption unit (7), wherein primary network hot water which flows out of the primary network hot water pipeline system (1) firstly enters a generator (604) of the hot-water-type lithium bromide absorption unit (6), comes out, serially enters the first heat exchanger (4) and the second heat exchanger (5), flows through an evaporator (701) of the direct-burning-type lithium bromide absorption unit (7) and finally flows out through the primary network hot water pipeline system (1). The afterburning-type lithium bromide absorption heat exchange system capable of simultaneously providing two loops of hot water has the advantages that under the situations that primary network hot water return water temperature is reduced and effective heat emission temperature difference of primary network hot water is increased, the peak heat supply load of a centralized heat supply system can be borne, the two loops of hot water can be simultaneously provided, the two loops of hot water are mutually independent and the temperature and the pressure can be respectively different.
Description
Technical field
The present invention relates to a kind of suction-type lithium bromide heat-exchange system.Belong to air conditioner technical field.
Background technology
In conventional central heating system, a secondary net hot water is heated after intensification at thermal source place, is sent to each hot user by heating network, after each hot user place lowers the temperature by heat exchanger heat exchange with secondary network hot water, then returns to thermal source place heat temperature raising by heating network.
Each hot user locates common heat exchanger (being water-water heat exchanger in diagram) as shown in Figure 1 using, one secondary net hot water and secondary network hot water carry out heat exchange by heat exchanger tube (shell-and-tube heat exchanger) or heat-transfer surface (plate type heat exchanger), heat in one secondary net hot water is delivered in secondary network hot water, one secondary net hot water temperature declines, secondary network hot water temperature raises, complete the process of secondary network hot water heat-obtaining from a secondary net hot water, secondary network hot water be transported to again with thermal field for production or life, heating.By configuring multiple heat exchangers, can meet the different hot water demands (different pressures or different temperatures) at same hot user place.
For reducing heating network construction cost and heat delivery cost, need to increase the supply water temperature of a secondary net hot water as far as possible or reduce its return water temperature, to increase supply backwater temperature difference, thereby in the situation that carrying identical heat, reduce required flow.But due to the heatproof restriction of heating network, the supply water temperature of a secondary net hot water can not be too high.And the common heat exchanger adopting, a secondary net hot water and secondary network hot water need certain heat transfer temperature difference could realize effective heat exchange, so the return water temperature of a secondary net hot water in theory need be higher than the inlet temperature of secondary network hot water.After the temperature of secondary network hot water is determined, the return water temperature of a secondary net hot water is restricted, and the temperature difference utilized of a secondary net hot water is subject to secondary network hot water temperature's restriction.If can adopt new flow process and system, in the situation that guaranteeing secondary network hot water temperature, reduce the return water temperature of a secondary net hot water, break through its restriction bottleneck higher than secondary network hot water inlet temperature, can realize the object of aforementioned minimizing heating network construction cost and heat delivery cost.
In addition, heat demand need to meet cold snap because of central heating system time, thereby heating network is all the design and establishing carrying out according to maximum heating demand, but in actual moving process, the heating system overwhelming majority time is all to move under part heating demand, and this has just caused the waste of heating network heat capacity.If can adopt new flow process and system, the device assumes of being located by hot user is fallen the heat supply peakload of peak period, make central heating network only bear basic load to a certain degree, in same set under heat capacity, the construction cost of heating network can reduce, the oepration at full load time lengthening of heating network, the investment utilization ratio of heating network can get a promotion.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of return water temperature that reduces a secondary net hot water in original technical foundation is provided, increase the effective heat release temperature difference of a secondary net hot water to realize, and can bear central heating system spike heating demand, and can provide the suction-type lithium bromide heat-exchange system of two-way hot water simultaneously, two-way hot water is separate, and temperature and pressure can be different.
The object of the present invention is achieved like this: a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously, comprise a secondary net hot water tube system, first via secondary network hot water tube system and First Heat Exchanger, described system also has additional the second road secondary network hot water tube system, the second heat exchanger, hot water lithium bromide absorbing unit and direct-burning type lithium bromide absorption type unit, hot water lithium bromide absorbing unit comprises evaporimeter, absorber, condenser and generator, direct-burning type lithium bromide absorption type unit comprises evaporimeter, absorber, condenser and generator, after the generator that a secondary net hot water that goes out a described secondary net hot water tube system is introduced into hot water lithium bromide absorbing unit is once lowered the temperature as driving heat source, out, series connection enters First Heat Exchanger and the cooling of the second heat exchanger again, flow through again after the evaporimeter of direct-burning type lithium bromide absorption type unit, flow out through a secondary net hot water tube system, go out the evaporimeter of the hot water backwater's of described the second road secondary network hot water tube system all or part of hot water lithium bromide absorbing unit of flowing through, after cooling, entering the second heat exchanger and a secondary net hot water heat exchange heats up again, the hot water backwater who goes out described the second road secondary network hot water tube system hot water backwater's remainder and go out the first via secondary network hot water tube system hot water lithium bromide absorbing unit absorber of flowing through separately, condenser and direct-burning type lithium bromide absorption type unit absorber, different parts and First Heat Exchanger in condenser, temperature flows out through secondary network hot water tube system separately after raising again.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, the hot water backwater who goes out described the second road secondary network hot water tube system evaporimeter of hot water lithium bromide absorbing unit of first flowing through, after cooling, enter again the second heat exchanger and a secondary net hot water heat exchange and heat up, finally flow out through the second road secondary network hot water tube system again; The hot water backwater who goes out described first via secondary network hot water tube system is divided into two strands, one series connection flow through absorber, the condenser of hot water lithium bromide absorbing unit, another burst of series connection flowed through after absorber, the absorber of direct-burning type lithium bromide absorption type unit heat up, after the hot water backwater that two strands of first via secondary network hot water tube systems are come converges, finally series connection First Heat Exchanger and the secondary net hot water heat exchange intensification of flowing through again, finally flows out through first via secondary network hot water tube system again.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, the hot water backwater who goes out described the second road secondary network hot water tube system is flow through evaporimeter and second heat exchanger of hot water lithium bromide absorbing unit of all series connection, the hot water that goes out described first via secondary network hot water tube system flow through absorber, condenser and the first heat exchanger in the absorber of hot water lithium bromide absorbing unit, condenser and direct-burning type lithium bromide absorption type unit.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, the hot water backwater who goes out described the second road secondary network hot water tube system is divided into two strands, one series connection flow through evaporimeter and second heat exchanger of hot water lithium bromide absorbing unit, the flow through absorber of hot water lithium bromide absorbing unit of another strand, the absorber of condenser and direct-burning type lithium bromide absorption type unit, any one or more in condenser, the hot water backwater who goes out the described first via secondary network hot water tube system absorber of hot water lithium bromide absorbing unit of only flowing through, the absorber of condenser and direct-burning type lithium bromide absorption type unit, remainder in condenser and First Heat Exchanger.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, the hot water backwater who goes out described the second road secondary network hot water tube system is divided into two strands, one series connection flow through evaporimeter and second heat exchanger of hot water lithium bromide absorbing unit, the flow through absorber of hot water lithium bromide absorbing unit of another strand, the absorber of condenser and direct-burning type lithium bromide absorption type unit, after any one or more in condenser, two strands of water converge, flow through the again absorber of hot water lithium bromide absorbing unit, the absorber of condenser and direct-burning type lithium bromide absorption type unit, in condenser, remainder is any one or more, the hot water backwater who goes out the described first via secondary network hot water tube system absorber of hot water lithium bromide absorbing unit of only flowing through, the absorber of condenser and direct-burning type lithium bromide absorption type unit 7, remainder in condenser and First Heat Exchanger.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, the hot water backwater who goes out described the second road secondary network hot water tube system is divided into two strands, one series connection is flowed through after the evaporimeter and the second heat exchanger of hot water lithium bromide absorbing unit, parallel connection or random order series connection again, the flow through absorber of hot water lithium bromide absorbing unit of connection in series-parallel, the absorber of condenser and direct-burning type lithium bromide absorption type unit, any one or more in condenser, the flow through absorber of hot water lithium bromide absorbing unit of another strand, the absorber of condenser and direct-burning type lithium bromide absorption type unit, in condenser, remaining is any one or more, the hot water backwater who goes out the described first via secondary network hot water tube system absorber of hot water lithium bromide absorbing unit of only flowing through, the absorber of condenser and direct-burning type lithium bromide absorption type unit, remainder in condenser and First Heat Exchanger.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, go out the hot water backwater that described the second road secondary network hot water tube system comes and be divided into two strands, one series connection flow through evaporimeter and second heat exchanger of hot water lithium bromide absorbing unit, parallel connection or random order series connection again, the flow through absorber of hot water lithium bromide absorbing unit of connection in series-parallel, the absorber of condenser and direct-burning type lithium bromide absorption type unit, any one or more in condenser, the absorber of hot water lithium bromide absorbing unit and another strand also flowed through, the absorber of condenser and direct-burning type lithium bromide absorption type unit, in condenser, remaining is any one or more, after two strands of water converge, flow through the again absorber of hot water lithium bromide absorbing unit, the absorber of condenser and direct-burning type lithium bromide absorption type unit, in condenser, remainder is any one or more, only the flow through absorber of hot water lithium bromide absorbing unit of the hot water backwater that first via secondary network hot water tube system is come, the absorber of condenser and direct-burning type lithium bromide absorption type unit, remainder in condenser and First Heat Exchanger.
A kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously of the present invention, comprise a secondary net hot water tube system, first via secondary network hot water tube system and First Heat Exchanger, described system also has additional the second road secondary network hot water tube system, the second heat exchanger, hot water lithium bromide absorbing unit and direct-burning type lithium bromide absorption type unit, hot water lithium bromide absorbing unit comprises evaporimeter, absorber, condenser and generator, direct-burning type lithium bromide absorption type unit comprises evaporimeter, absorber, condenser and generator, a secondary net hot water that goes out a described secondary net hot water tube system is introduced into the generator of hot water lithium bromide absorbing unit, out, series connection enters First Heat Exchanger and the second heat exchanger again, flow through again after the evaporimeter of direct-burning type lithium bromide absorption type unit, flow out through a secondary net hot water tube system, the hot water backwater's parallel connection that goes out described the second road secondary network hot water tube system is divided into two strands, the evaporimeter of one hot water lithium bromide absorbing unit of first flowing through, after cooling, entering the second heat exchanger and a secondary net hot water heat exchange heats up again, another plume heats up through the absorber of hot water lithium bromide absorbing unit, two strands of secondary network hot water flow out by secondary network hot water tube system after supplying water and converging, the hot water backwater who goes out the described first via secondary network hot water tube system absorber of direct-burning type lithium bromide absorption type unit of first flowing through, in parallel flowing through after the condenser of hot water lithium bromide absorbing unit and the intensification of the condenser of direct-burning type lithium bromide absorption type unit again, finally series connection First Heat Exchanger and the secondary net hot water heat exchange intensification of flowing through again, finally flow out through first via secondary network hot water tube system again.
The present invention is by arranging hot water lithium bromide absorbing unit, direct-burning type lithium bromide absorption type unit and two heat exchangers, by the evaporimeter of all or part of hot water lithium bromide absorbing unit of first flowing through of the second road secondary network hot water, after cooling, enter again in the second heat exchanger and a secondary net hot water heat exchange, the temperature that can make once net hot water go out heat exchanger is fallen lowlyer than secondary network return water temperature, the last secondary net flow of hot water that allows again, through the evaporimeter of direct-burning type lithium bromide absorption type unit, can further be even lower the return water temperature of a secondary net.In addition, different parts and (or) First Heat Exchanger that the second road secondary network hot water tube system hot water backwater's remainder and first via secondary network hot water tube system hot water backwater flow through in hot water lithium bromide absorbing unit absorber, condenser and direct-burning type lithium bromide absorption type unit absorber, condenser separately, can obtain heat and temperature rising.Direct-burning type lithium bromide absorption type unit of the present invention does not need operation in the time of part heating demand, only by a secondary net hot water liberated heat heating secondary network hot water; In the time that the heat of a secondary net hot water can not meet heat demand, restart direct-burning type lithium bromide absorption type unit, can further reduce on the one hand the return water temperature of a secondary net hot water, extract more heat in secondary network hot water, on the other hand, the heat that fuel combustion produces can be supplied the breach between a secondary net hot water thermal amount and heating demand, bears spike heating demand.Compared with conventional art, the present invention can realize in the situation that reducing a secondary net hot water backwater temperature, increasing the effective heat release temperature difference of a secondary net hot water, can also bear central heating system spike heating demand, and can provide the suction-type lithium bromide heat-exchange system of two-way hot water simultaneously, two-way hot water is separate, and temperature and pressure can be different.
The invention has the beneficial effects as follows:
1, when a secondary net hot water flow is fixing, adopt unit of the present invention can reduce its return water temperature, improve and effectively utilize the temperature difference, can increase the extraction of heat and utilize quantity, improve the heat capacity of system.
2, when identical heating demand, afterburning fuel can be born spike heating demand, and heating network only needs to bear basic load to a certain degree, thereby reduces the flow of a secondary net hot water, reduces it and carry the construction cost at cost and heating network, thermal source place.
3, temperature difference, the different two-way hot water of pressure can be provided simultaneously, two kinds of different heat demand of the same area can be met simultaneously.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of common heat exchanger multichannel heat supply in the past.
Fig. 2 provides one of application example of the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water simultaneously for the present invention.
Fig. 3 for the present invention provide simultaneously the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water application example two.
Reference numeral in figure:
One secondary net hot water tube system 1, first via secondary network hot water tube system 2, the second road secondary network hot water tube system 3, First Heat Exchanger 4, the second heat exchanger 5, hot water lithium bromide absorbing unit 6, direct-burning type lithium bromide absorption type unit 7, evaporimeter 601, absorber 602, condenser 603 and the generator 604 of hot water lithium bromide absorbing unit 6, evaporimeter 701, absorber 702, condenser 703 and the generator 704 of direct-burning type lithium bromide absorption type unit 7.
One secondary net hot water enters A1, a secondary net hot water and goes out A2, first via secondary network hot water backwater and enter B1, first via secondary network hot water backwater and go out that B2, the second road secondary network hot water backwater enter C1, the second road secondary network hot water backwater goes out C2.
The specific embodiment
Fig. 2 provides a kind of application example figure of the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water for time involved in the present invention.This system is made up of a secondary net hot water tube system 1, first via secondary network hot water tube system 2, the second road secondary network hot water tube system 3, First Heat Exchanger 4, the second heat exchanger 5, hot water lithium bromide absorbing unit 6 and direct-burning type lithium bromide absorption type unit 7.Hot water lithium bromide absorbing unit 6 comprises evaporimeter 601, absorber 602, condenser 603 and generator 604.Direct-burning type lithium bromide absorption type unit 7 comprises evaporimeter 701, absorber 702, condenser 703 and generator 704.After the generator 604 that the secondary net hot water that one secondary net hot water tube system 1 is come is introduced into hot water lithium bromide absorbing unit 6 is once lowered the temperature as driving heat source, series connection enters First Heat Exchanger 4 and the second heat exchanger 5 is lowered the temperature again, flow through again after the evaporimeter 701 of direct-burning type lithium bromide absorption type unit 7, flow out through a secondary net hot water tube system 1; The hot water backwater that first via secondary network hot water tube system 2 is come is divided into two strands, one series connection flow through absorber 602, the condenser 603 of hot water lithium bromide absorbing unit 6, another burst of series connection flowed through after absorber 702, the absorber 703 of direct-burning type lithium bromide absorption type unit 7 heat up, after the hot water backwater that two strands of first via secondary network hot water tube systems 2 are come converges, finally series connection First Heat Exchanger 4 and the secondary net hot water heat exchange intensification of flowing through again, finally flows out through first via secondary network hot water tube system 2 again; First the flow through evaporimeter 601 of hot water lithium bromide absorbing unit 6 of the hot water backwater that the second road secondary network hot water tube system 3 is come, after cooling, enter again the second heat exchanger 5 and a secondary net hot water heat exchange and heat up, finally flow out through the second road secondary network hot water tube system 3 again.
Shown in Fig. 2 time, provide in the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water, the hot water backwater that the second road secondary network hot water tube system 3 is come is flow through evaporimeter 601 and second heat exchanger 5 of hot water lithium bromide absorbing unit 6 of all series connection, the hot water that first via secondary network hot water tube system 2 is come flow through absorber 702, condenser 703 and the first heat exchanger 4 in absorber 602, condenser 603 and the direct-burning type lithium bromide absorption type unit 7 of hot water lithium bromide absorbing unit 6.Its hot water backwater that can be also the second road secondary network hot water tube system 3 is come is divided into two strands, one series connection flow through evaporimeter 601 and second heat exchanger 5 of hot water lithium bromide absorbing unit 6, the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of another strand, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, any one or more in condenser 703, only the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of the hot water backwater that first via secondary network hot water tube system 2 is come, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, remainder in condenser 703 and First Heat Exchanger 4, its hot water backwater that can also be the second road secondary network hot water tube system 3 is come is divided into two strands, one series connection flow through evaporimeter 601 and second heat exchanger 5 of hot water lithium bromide absorbing unit 6, the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of another strand, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, after any one or more in condenser 703, two strands of water converge, flow through the again absorber 602 of hot water lithium bromide absorbing unit 6, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, in condenser 703, remainder is any one or more, only the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of the hot water backwater that first via secondary network hot water tube system 2 is come, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, remainder in condenser 703 and First Heat Exchanger 4, or second the hot water backwater that comes of road secondary network hot water tube system 3 be divided into two strands, one series connection is flowed through after the evaporimeter 601 and the second heat exchanger 5 of hot water lithium bromide absorbing unit 6, parallel connection or random order series connection again, the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of connection in series-parallel, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, any one or more in condenser 703, the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of another strand, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, in condenser 703, remaining is any one or more, only the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of the hot water backwater that first via secondary network hot water tube system 2 is come, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, remainder in condenser 703 and First Heat Exchanger 4, or second the hot water backwater that comes of road secondary network hot water tube system 3 be divided into two strands, one series connection is flowed through after the evaporimeter 601 and the second heat exchanger 5 of hot water lithium bromide absorbing unit 6, parallel connection or random order series connection again, the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of connection in series-parallel, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, any one in condenser 703, the absorber 602 of hot water lithium bromide absorbing unit 6 and another strand also flowed through, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, in condenser 703 remaining any one, after two strands of water converge, flow through the again absorber 602 of hot water lithium bromide absorbing unit 6, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, any one of remainder in condenser 703, only the flow through absorber 602 of hot water lithium bromide absorbing unit 6 of the hot water backwater that first via secondary network hot water tube system 2 is come, the absorber 702 of condenser 603 and direct-burning type lithium bromide absorption type unit 7, residue in condenser 703 that and First Heat Exchanger 4.
It can be single-action, economic benefits and social benefits or diarcs unit that hot water lithium bromide absorbing unit and direct-burning type lithium bromide absorption type unit in the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water are provided shown in Fig. 2 time.One secondary net hot-water heating system and secondary network hot-water heating system can be closed circulation systems, can be also open systems.
Fig. 3 provide for time involved in the present invention the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water all the other application example figure two.This system is made up of a secondary net hot water tube system 1, first via secondary network hot water tube system 2, the second road secondary network hot water tube system 3, First Heat Exchanger 4, the second heat exchanger 5, hot water lithium bromide absorbing unit 6 and direct-burning type lithium bromide absorption type unit 7.Hot water lithium bromide absorbing unit 6 comprises evaporimeter 601, absorber 602, condenser 603 and generator 604.Direct-burning type lithium bromide absorption type unit 7 comprises evaporimeter 701, absorber 702, condenser 703 and generator 704.After the generator 604 that the secondary net hot water that one secondary net hot water tube system 1 is come is introduced into hot water lithium bromide absorbing unit 6 is once lowered the temperature as driving heat source, series connection enters cooling in First Heat Exchanger 4 and the second heat exchanger 5 again, flow through again after the evaporimeter 701 of direct-burning type lithium bromide absorption type unit 7, flow out through a secondary net hot water tube system 1; First the flow through absorber 702 of direct-burning type lithium bromide absorption type unit 7 of the hot water backwater that first via secondary network hot water tube system 2 is come, in parallel flowing through after the condenser 603 of hot water lithium bromide absorbing unit 6 and 703 intensifications of the condenser of direct-burning type lithium bromide absorption type unit 7 again, finally series connection First Heat Exchanger 4 and the secondary net hot water heat exchange intensification of flowing through again, finally flows out through first via secondary network hot water tube system 2 again; Hot water backwater's parallel connection that the second road secondary network hot water tube system 3 is come is divided into two strands, the evaporimeter 601 of one hot water lithium bromide absorbing unit 6 of first flowing through, after cooling, entering the second heat exchanger 5 and a secondary net hot water heat exchange heats up again, another plume heats up through the absorber 602 of hot water lithium bromide absorbing unit 6, and two strands of secondary network hot water flow out by secondary network hot water tube system 3 after supplying water and converging.
Claims (10)
1. one kind provides the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water simultaneously, comprise a secondary net hot water tube system (1), first via secondary network hot water tube system (2) and First Heat Exchanger (4), it is characterized in that described system also has additional the second road secondary network hot water tube system (3), the second heat exchanger (5), hot water lithium bromide absorbing unit (6) and direct-burning type lithium bromide absorption type unit (7), hot water lithium bromide absorbing unit (6) comprises evaporimeter (601), absorber (602), condenser (603) and generator (604), direct-burning type lithium bromide absorption type unit (7) comprises evaporimeter (701), absorber (702), condenser (703) and generator (704), a secondary net hot water that goes out a described secondary net hot water tube system (1) is introduced into the generator (604) of hot water lithium bromide absorbing unit (6), out, series connection enters First Heat Exchanger (4) and the second heat exchanger (5) again, flow through again after the evaporimeter (701) of direct-burning type lithium bromide absorption type unit (7), flow out through a secondary net hot water tube system (1), go out the evaporimeter (601) of the hot water backwater's of described the second road secondary network hot water tube system (3) all or part of hot water lithium bromide absorbing unit (6) of flowing through, enter again the second heat exchanger (5), go out flow through the separately absorber (602) of hot water lithium bromide absorbing unit (6) of hot water backwater's the remainder of described the second road secondary network hot water tube system (3) and the hot water backwater that goes out first via secondary network hot water tube system (2), the absorber (602) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), different parts in condenser (703) and First Heat Exchanger (4), flow out through secondary network hot water tube system separately again.
2. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously according to claim 1, first the flow through evaporimeter (601) of hot water lithium bromide absorbing unit (6) of the hot water backwater who it is characterized in that described the second road secondary network hot water tube system (3), after cooling, enter again the second heat exchanger (5) and heat up with a secondary net hot water heat exchange, finally flow out through the second road secondary network hot water tube system (3) again, the hot water backwater who goes out described first via secondary network hot water tube system (2) is divided into two strands, the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of one series connection, condenser (603), the flow through absorber (702) of direct-burning type lithium bromide absorption type unit (7) of another burst of series connection, after absorber (703) heats up, after the hot water backwater that two strands of first via secondary network hot water tube systems (2) are come converges, finally again series connection flow through First Heat Exchanger (4) with one the heat exchange of secondary net hot water heat up, finally flow out through first via secondary network hot water tube system (2) again.
3. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously according to claim 1, the hot water backwater who it is characterized in that described the second road secondary network hot water tube system (3) is flow through evaporimeter (601) and second heat exchanger (5) of hot water lithium bromide absorbing unit (6) of all series connection, the hot water that goes out described first via secondary network hot water tube system (2) absorber (602) of hot water lithium bromide absorbing unit (6) of flowing through, absorber (702) in condenser (603) and direct-burning type lithium bromide absorption type unit (7), condenser (703) and the first heat exchanger (4).
4. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously according to claim 1, the hot water backwater who it is characterized in that described the second road secondary network hot water tube system (3) is divided into two strands, one series connection flow through evaporimeter (601) and second heat exchanger (5) of hot water lithium bromide absorbing unit (6), the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of another strand, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), any one or more in condenser (703), the hot water backwater who goes out described first via secondary network hot water tube system (2) absorber (602) of hot water lithium bromide absorbing unit (6) of only flowing through, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), remainder in condenser (703) and First Heat Exchanger (4).
5. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously according to claim 1, the hot water backwater who it is characterized in that described the second road secondary network hot water tube system (3) is divided into two strands, one series connection flow through evaporimeter (601) and second heat exchanger (5) of hot water lithium bromide absorbing unit (6), the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of another strand, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), after any one or more in condenser (703), two strands of water converge, flow through the again absorber (602) of hot water lithium bromide absorbing unit (6), the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), in condenser (703), remainder is any one or more, the hot water backwater who goes out described first via secondary network hot water tube system (2) absorber (602) of hot water lithium bromide absorbing unit (6) of only flowing through, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), remainder in condenser (703) and First Heat Exchanger (4).
6. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously according to claim 1, the hot water backwater who it is characterized in that described the second road secondary network hot water tube system (3) is divided into two strands, one series connection is flowed through after the evaporimeter (601) and the second heat exchanger (5) of hot water lithium bromide absorbing unit (6), parallel connection or random order series connection again, the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of connection in series-parallel, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), any one or more in condenser (703), the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of another strand, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), in condenser (703), remaining is any one or more, the hot water backwater who goes out described first via secondary network hot water tube system (2) absorber (602) of hot water lithium bromide absorbing unit (6) of only flowing through, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), remainder in condenser (703) and First Heat Exchanger (4).
7. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously according to claim 1, it is characterized in that the hot water backwater that described the second road secondary network hot water tube system (3) is come is divided into two strands, one series connection is flowed through after the evaporimeter (601) and the second heat exchanger (5) of hot water lithium bromide absorbing unit (6), parallel connection or random order series connection again, the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of connection in series-parallel, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), any one in condenser (703), the absorber (602) of hot water lithium bromide absorbing unit (6) and another strand also flowed through, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), in condenser (703) remaining any one, after two strands of water converge, flow through the again absorber (602) of hot water lithium bromide absorbing unit (6), the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), any one of the middle remainder of condenser (703), only the flow through absorber (602) of hot water lithium bromide absorbing unit (6) of the hot water backwater that first via secondary network hot water tube system (2) is come, the absorber (702) of condenser (603) and direct-burning type lithium bromide absorption type unit (7), residue in condenser (703) that and First Heat Exchanger (4).
8. one kind provides the fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water simultaneously, comprise a secondary net hot water tube system (1), first via secondary network hot water tube system (2) and First Heat Exchanger (4), it is characterized in that described system also has additional the second road secondary network hot water tube system (3), the second heat exchanger (5), hot water lithium bromide absorbing unit (6) and direct-burning type lithium bromide absorption type unit (7), hot water lithium bromide absorbing unit (6) comprises evaporimeter (601), absorber (602), condenser (603) and generator (604), direct-burning type lithium bromide absorption type unit (7) comprises evaporimeter (701), absorber (702), condenser (703) and generator (704), a secondary net hot water that goes out a described secondary net hot water tube system (1) is introduced into the generator (604) of hot water lithium bromide absorbing unit (6), out, series connection enters First Heat Exchanger (4) and the second heat exchanger (5) again, flow through again after the evaporimeter (701) of direct-burning type lithium bromide absorption type unit (7), flow out through a secondary net hot water tube system (1), the hot water backwater's parallel connection that goes out described the second road secondary network hot water tube system (3) is divided into two strands, the evaporimeter (601) of one hot water lithium bromide absorbing unit (6) of first flowing through, enter again the second heat exchanger (5), another plume is through the absorber (602) of hot water lithium bromide absorbing unit (6), two strands of secondary network hot water flow out by secondary network hot water tube system (3) after supplying water and converging, the hot water backwater who goes out described first via secondary network hot water tube system (2) absorber (702) of direct-burning type lithium bromide absorption type unit (7) of first flowing through, the flow through condenser (603) of hot water lithium bromide absorbing unit (6) and the condenser (703) of direct-burning type lithium bromide absorption type unit (7) of parallel connection again, the finally series connection First Heat Exchanger (4) of flowing through again, finally flow out through first via secondary network hot water tube system (2) again.
9. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously described in one of them according to claim 1 ~ 8, is characterized in that hot water lithium bromide absorbing unit (6) and the direct-burning type lithium bromide absorption type unit (7) in described system is single-action, economic benefits and social benefits or diarcs unit.
10. a kind of fuel supplementing type suction-type lithium bromide heat-exchange system that two-way hot water is provided simultaneously described in one of them according to claim 1 ~ 8, it is characterized in that a secondary net hot water tube system (1), first via secondary network hot water tube system (2) and the second road secondary network hot water tube system (3) in described system they are closed circulation systems, or open system.
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| CN201410071224.1A CN103868126B (en) | 2014-03-01 | 2014-03-01 | The fuel supplementing type suction-type lithium bromide heat-exchange system of two-way hot water is provided simultaneously |
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| CN112555960A (en) * | 2020-11-27 | 2021-03-26 | 清华大学 | Double-water-outlet temperature heating station |
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