CN101349486A - Composite absorption type heat pump formed by increasing high temperature heat supply end - Google Patents
Composite absorption type heat pump formed by increasing high temperature heat supply end Download PDFInfo
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- CN101349486A CN101349486A CNA2008101396208A CN200810139620A CN101349486A CN 101349486 A CN101349486 A CN 101349486A CN A2008101396208 A CNA2008101396208 A CN A2008101396208A CN 200810139620 A CN200810139620 A CN 200810139620A CN 101349486 A CN101349486 A CN 101349486A
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Abstract
A compound absorption type heat pump which is formed by increasing high temperature heat supply ends belongs to the technical field of the heat pump/refrigeration, wherein a double-effect absorption heat pump which is formed by a high pressure generator, a lower pressure generator, a condenser, an evaporator, an absorber, a first throttle valve, a second throttle valve, a solution pump and a solution heat exchanger is further provided with a new condenser and a new throttle valve, wherein the high pressure generator is further provided with a cryogen steam channel to communicate with the new condenser, and the new condenser which is communicated with the evaporator through the new throttle valve, and is communicated with heated dielectric or other necessary changes through pipes, and a single-effect flow is formed by the high pressure generator, the new condenser, the new throttle valve, the evaporator, the absorber and the first solution pump and the like, which can form a compound flow with a double-effect flow. The compound absorption heat pump increases the property index of a heat pump when supplies heat with high temperature in wide temperature range, can deeply utilize residue heat when in refrigeration, and can realize the conversion or engagement of single-effect flow or double-effect flow.
Description
Technical field:
The invention belongs to low temperature exhaust heat utilization and absorption type heat pump.
Background technology:
Adopting absorption heat pump/Refrigeration Technique to carry out UTILIZATION OF VESIDUAL HEAT IN is effective means.Simple in structure, performance index is high, can satisfy the demands and a machine double-purpose (or many with) is the direction and the requirement of absorption heating/Refrigeration Technique development.When carrying out the heat utilization of waste heat, the heat supply temperature height of single-action unit but performance index is low, the performance index height of economic benefits and social benefits unit but heat supply temperature is low that is to say the relation that mutual restriction is arranged between the running parameter of unit and its performance index.Like this, when heated medium need be heated to higher temperature by lower relatively temperature, adopt the heat pump flowsheet of single effect number often can't be implemented in that unit obtains higher performance index when satisfying the heat supply temperature demand.In addition, occasion such as heat supply that needs higher temperature winter and summer cooling, unit in the winter time will be according to the single-action mode operation to provide the heating parameter of higher temperature as heat pump, and unit need be according to economic benefits and social benefits and above mode operation obtaining higher performance index when freezing summer, and this needs a cover unit can realize conversion between single-action and the economic benefits and social benefits.
Maximize and realize conversion between single-action and the economic benefits and social benefits as far as possible for what when meeting consumers' demand, realize the unit performance index, consider the simplification of heat pump/refrigerating system simultaneously, in same unit, realize effectively and reasonably compound of heat pump/refrigerating flow process, realize that composite absorption heat pump/cooling flow is highly significant.
Summary of the invention:
Main purpose of the present invention is that a kind of composite absorption heat pump that forms by increasing high-temperature heat supply end will be provided, it is characterized in that in double effect absorption type heat pump, increasing condenser and choke valve, when providing refrigerant vapour, provide refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased condenser for low pressure generator by high pressure generator; Newly-increased condenser and newly-increased choke valve constitute the single-action heat pump flowsheet by means of the part parts of former double-effect heat pump structure and finish heat supply to the heated medium high temperature section, the absorber of former double-effect heat pump flow process and condenser are finished the heat supply to the heated medium low-temperature zone, thereby form a kind of composite absorption heat pump flow process that contains single-action and double-effect process.
The object of the present invention is achieved like this: by high pressure generator, low pressure generator, condenser, evaporimeter, absorber, the first throttle valve, second choke valve, solution pump, first solution heat exchanger, in the double effect absorption type heat pump that second solution heat exchanger and cryogen liquid recirculation pump are formed, increase condenser and choke valve newly, high pressure generator is set up the newly-increased condenser of refrigerant vapour channel connection, increase condenser newly or have cryogen liquid pipeline to be communicated with evaporimeter through newly-increased choke valve, or having cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve, newly-increased condenser also has pipeline to be communicated with heated medium; High pressure generator, newly-increased condenser, newly-increased choke valve, evaporimeter, absorber, solution pump and first solution heat exchanger constitute new single-action heat pump flowsheet, form the combined heat-pump flow process with former double-effect heat pump flow process, the combined heat-pump flow process is finished by newly-increased condenser the high temperature section heat supply of heated medium, and the combined heat-pump flow process is finished by absorber and condenser the low-temperature zone heat supply of heated medium; The more former double-effect heat pump of combined heat-pump has just increased a condenser and a choke valve on critical piece, it still is integral structure, but contain heat supply end of single-action flow process and two heat supply ends of double-effect process, can make unit when keeping higher performance index, have higher heat supply temperature; On the heated medium pipeline, increase by first control valve again, set up by-pass line and increase the composite absorption heat pump that second control valve can be realized cooperating of single-action and economic benefits and social benefits or conversion at by-pass line; In the three-effect absorption-type heat pump, increase first condenser, second condenser, first throttle valve and second choke valve newly, can be implemented in the composite absorption heat pump that forms by increasing by two high-temperature heat supply ends in the three-effect absorption-type heat pump.
When this composite adsorption type unit is used as refrigeration machine, can reduce the cooling medium requirement of temperature eventually; Can obtain when utilizing waste heat to freeze than former dual-effect refrigeration flow process more refrigeration capacity.
Further specify below in conjunction with accompanying drawing and the objective of the invention is how to realize.
As shown in Figure 1, the purpose that increases high-temperature heat supply end and form composite absorption heat pump in the double effect absorption type heat pump that adopts the circulation of series connection solution is achieved in that by high pressure generator, low pressure generator, condenser, evaporimeter, absorber, first throttle valve, second choke valve, solution pump, first solution heat exchanger, second solution heat exchanger and cryogen liquid recirculation pump to be formed, in the double effect absorption type heat pump that solution series circulates, increases a condenser and a choke valve; High pressure generator is set up the newly-increased condenser of refrigerant vapour channel connection, and newly-increased condenser has cryogen liquid pipeline to be communicated with evaporimeter through newly-increased choke valve, and newly-increased condenser also has pipeline to be communicated with heated medium; High pressure generator, newly-increased condenser, newly-increased choke valve, evaporimeter, absorber, solution pump and first solution heat exchanger, and piggybacking constitutes new single-action heat pump flowsheet in low pressure generator---the solution that is entered high pressure generator by low pressure generator externally drives the refrigerant vapour that discharges under the effect of heat, and a part enters low pressure generator and participates in that the corresponding flow process of economic benefits and social benefits is laggard goes into evaporimeter and absorb heat into refrigerant vapour; Another part enters newly-increased condenser heat release and becomes cryogen liquid in the heated medium of flowing through in it, and this part cryogen liquid enters evaporimeter through newly-increased choke valve throttling step-down cooling and absorbs waste heat and become refrigerant vapour; Absorbing above-mentioned two parts steam from the concentrated solution of high pressure generator in the absorber becomes weak solution and heat release in the heated medium of flowing through in it, weak solution enters low pressure generator through solution pump pressurization and is heated and discharges the refrigerant medium that participates in double-effect process, and the solution after concentration improves enters high pressure generator and externally drives under the effect of heat and discharges the refrigerant medium that participates in the single-action flow process; New single-action heat pump flowsheet and former double-effect heat pump flow process are formed the combined heat-pump flow process, and the combined heat-pump flow process is finished by newly-increased condenser the high temperature section heat supply of heated medium, and the combined heat-pump flow process is finished by absorber and condenser the low-temperature zone heat supply of heated medium; Single-action, double-effect process common suction device.
Shown in Figure 2, in the double effect absorption type heat pump that adopts the circulation of series connection solution, increase high-temperature heat supply end and the composite absorption heat pump that forms, it and difference shown in Figure 1 are: on the structure, newly-increased condenser has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve among Fig. 2; On the flow process, the cryogen liquid that participates in the single-action flow process enters evaporimeter through the throttling of first throttle valve again after newly-increased choke valve throttling enters condenser.
Shown in Figure 3, in the double effect absorption type heat pump that adopts solution circulation in parallel, increase high-temperature heat supply end and form the composite absorption heat pump purpose and be achieved in that by high pressure generator, low pressure generator, condenser, evaporimeter, absorber, first throttle valve, second choke valve, solution pump, first solution heat exchanger, second solution heat exchanger and cryogen liquid recirculation pump and form, in the solution double effect absorption type heat pump that circulates in parallel, increase a condenser and a choke valve; High pressure generator is set up the newly-increased condenser of refrigerant vapour channel connection, and newly-increased condenser has cryogen liquid pipeline to be communicated with condenser through newly-increased choke valve, and newly-increased condenser also has pipeline to be communicated with heated medium; High pressure generator, newly-increased condenser, newly-increased choke valve, evaporimeter, absorber, the solution pump and first solution heat exchanger, and piggybacking is in condenser, the first throttle valve constitutes new single-action heat pump flowsheet---and the weak solution that enters high pressure generator by absorber externally drives the refrigerant vapour that discharges under the effect of heat and enters newly-increased condenser heat release and become cryogen liquid in the heated medium of flowing through in it, this part cryogen liquid enters evaporimeter through first throttle valve throttling step-down cooling again after newly-increased choke valve throttling step-down cooling enters a little heat release of condenser, absorbing waste heat becomes refrigerant vapour to provide to absorber, absorbed from the concentrated solution of high pressure generator and heat release in the heated medium of flowing through in it, the refrigerant medium that is absorbed by concentrated solution in absorber becomes the part of weak solution, under pressurizeing the effect that enters high pressure generator and externally driving heat, solution pump becomes refrigerant vapour again, new single-action heat pump flowsheet and former double-effect heat pump flow process are formed the combined heat-pump flow process, the combined heat-pump flow process is finished by newly-increased condenser the high temperature section heat supply of heated medium, and the combined heat-pump flow process is finished by absorber and condenser the low-temperature zone heat supply of heated medium.
Shown in Figure 4, the composite absorption heat pump that in the double effect absorption type heat pump that adopts the circulation of series connection solution, increases high-temperature heat supply end and form, on the heated medium pipeline, increase by first control valve, set up by-pass line and increase by second control valve and can realize that the purpose of cooperating of single-action and economic benefits and social benefits or conversion is achieved in that first control valve cuts out at by-pass line, (newly-increased choke valve cuts out the unlatching of second control valve, as keep certain water seal between newly-increased condenser and the evaporimeter) time unit press double-effect process work, unit was worked by the mode based on double-effect process when first control valve and second control valve were all opened, first control valve is opened, unit was worked by the mode based on complex flow when second control valve cut out, and can change the ratio of unit single-action and economic benefits and social benefits when regulating the relative opening degree of first control valve and second control valve.In like manner, other concrete structure, according to increasing by first control valve in the composite absorption heat pump provided by the invention, setting up by-pass line and increase by second control valve and also can realize cooperating or conversion of single-action and economic benefits and social benefits at by-pass line; In the triple effect heat pump, increase high-temperature heat supply end in foundation the present invention and form composite absorption heat pump, increase corresponding bypass and control valve, can realize single-action, economic benefits and social benefits, mutual cooperation or the conversion of triple effect.
Shown in Figure 5, the purpose that increases high-temperature heat supply end and form composite absorption heat pump in the three-effect absorption-type heat pump that adopts the circulation of series connection solution is achieved in that by high pressure generator, the middle generator of pressing, low pressure generator, condenser, evaporimeter, absorber, the first throttle valve, second choke valve, the 3rd choke valve, solution pump, first solution heat exchanger, second solution heat exchanger, the 3rd solution heat exchanger and cryogen liquid recirculation pump are formed, in the three-effect absorption-type heat pump of solution series circulation, increase two condensers---first condenser newly, second condenser and two choke valves---first throttle valve, second choke valve; High pressure generator is set up newly-increased first condenser of refrigerant vapour channel connection, and newly-increased first condenser has cryogen liquid pipeline to be communicated with evaporimeter through newly-increased first throttle valve, and newly-increased first condenser also has pipeline to be communicated with heated medium; The middle generator of pressing is set up newly-increased second condenser of refrigerant vapour channel connection, and newly-increased second condenser has cryogen liquid pipeline to be communicated with evaporimeter through increasing second choke valve newly, and newly-increased second condenser also has pipeline to be communicated with heated medium; High pressure generator, newly-increased first condenser, newly-increased first throttle valve, evaporimeter, absorber, solution pump, first solution heat exchanger, and piggybacking constitutes new single-action heat pump flowsheet in low pressure generator, middle pressure generator and other solution heat exchanger etc., middle pressure generator, newly-increased second condenser, newly-increased second choke valve, evaporimeter, absorber, solution pump, first solution heat exchanger, and piggybacking constitutes new double-effect heat pump flow process in low pressure generator, high pressure generator and other solution heat exchanger etc.; New single-action heat pump flowsheet and new double-effect heat pump flow process and former triple effect heat pump flowsheet are formed the combined heat-pump flow process, and the combined heat-pump flow process is finished by newly-increased first condenser of single-action flow process, newly-increased second condenser of double-effect process and the absorber and the condenser of triple effect flow process respectively the heat supply of high temperature section, middle-temperature section and the low-temperature zone of heated medium; Single-action, economic benefits and social benefits and triple effect common suction device.
In like manner, in the three-effect absorption-type heat pump of solution circulation in parallel or the circulation of series-parallel connection solution, increase high-temperature heat supply end and will constitute corresponding composite absorption heat pump; This example is to increase high-temperature heat supply end in the three-effect absorption-type heat pump and the representative of the composite absorption heat pump that forms.
Description of drawings:
Fig. 1 be according to provided by the present invention, in the double effect absorption type heat pump that adopts the circulation of series connection solution, increase high-temperature heat supply end and the system architecture and the schematic flow sheet of the composite absorption heat pump that forms.
Fig. 2 also be according to provided by the present invention, in the double effect absorption type heat pump that adopts the circulation of series connection solution, increase high-temperature heat supply end and the system architecture and the schematic flow sheet of the composite absorption heat pump that forms; Be that with difference shown in Figure 1 newly-increased condenser is communicated with evaporimeter through newly-increased choke valve among Fig. 1, and newly-increased condenser is communicated with condenser through newly-increased choke valve among Fig. 2.
Fig. 3 be according to provided by the present invention, in the double effect absorption type heat pump that adopts solution circulation in parallel, increase high-temperature heat supply end and the system architecture and the schematic flow sheet of the composite absorption heat pump that forms.
Fig. 4 be according to provided by the invention, in the double effect absorption type heat pump that adopts the circulation of series connection solution, increase high-temperature heat supply end and form composite absorption heat pump, and on the heated medium pipeline, increase by first control valve, set up by-pass line and increase heat pump structure and the flow chart that second control valve is formed at by-pass line.
Fig. 5 be according to provided by the invention, in the three-effect absorption-type heat pump that adopts the circulation of series connection solution, increase high-temperature heat supply end and form the system architecture and the schematic flow sheet of composite absorption heat pump; It is that the multiple-effect absorption heat pump increases high-temperature heat supply end and forms the representative of composite absorption heat pump.
Among Fig. 1～Fig. 4,1-increases condenser newly, and 2-increases choke valve newly; The A1-high pressure generator, B1-low pressure generator, C1-condenser, the D1-evaporimeter, the E1-absorber, F1-first throttle valve, G1-second choke valve, the H1-solution pump, I1-first solution heat exchanger, J1-second solution heat exchanger, K1-cryogen liquid recirculation pump (option), L1-first control valve, M1-second control valve.
Among Fig. 5,1-increases first condenser newly, and 2-increases the first throttle valve newly, and 3-increases second condenser newly, and 4-increases second choke valve newly; The A2-high pressure generator is pressed generator among the B2-, the C2-low pressure generator, the D2-condenser, E2-evaporimeter, F2-absorber, G2-first throttle valve, H2-second choke valve, I2-the 3rd choke valve, J2-solution pump, K2-first solution heat exchanger, L2-second solution heat exchanger, M2-the 3rd solution heat exchanger, N2-cryogen liquid recirculation pump (option).
The specific embodiment:
Describe the present invention in detail below in conjunction with accompanying drawing and example.
To be example according to the composite absorption heat pump that increases high-temperature heat supply end and form in the double effect absorption type heat pump that adopts the circulation of series connection solution provided by the present invention, as shown in Figure 1, the object of the present invention is achieved like this:
1. on the structure, in the double effect absorption type heat pump that high pressure generator (A1), low pressure generator (B1), condenser (C1), evaporimeter (D1), absorber (E1), first throttle valve (F1), second choke valve (G1), solution pump (H1), first solution heat exchanger (I1), second solution heat exchanger (J1) and cryogen liquid recirculation pump (K1) are formed, solution series circulates, increase a condenser (1) and a choke valve (2); Set up the newly-increased condenser (1) of refrigerant vapour channel connection from high pressure generator (A1), newly-increased condenser (1) is set up cryogen liquid pipeline and is communicated with evaporimeter (D1) through newly-increased choke valve (2), and newly-increased condenser (1) also has pipeline to be communicated with heated medium; High pressure generator (A1), newly-increased condenser (1), newly-increased choke valve (2), evaporimeter (D1), absorber (E1), solution pump (H1) and first solution heat exchanger (I1), and piggybacking constitutes new single-action heat pump structure in low pressure generator (B1).
2. on the flow process, newly-increased condenser (1) is realized the high-temperature heat supply to heated medium, finish and heated medium carried out the new single-stage heat pump of high temperature section heat supply is performed such: the solution that is entered high pressure generator (A1) by low pressure generator (B1) externally drives the refrigerant vapour that discharges under the effect of heat, and a part enters low pressure generator (B1) and participates in that the corresponding flow process of economic benefits and social benefits is laggard goes into evaporimeter (D1) and absorb heat into refrigerant vapour; Another part enters newly-increased condenser (1) heat release and becomes cryogen liquid in the heated medium of flowing through in it, and this part cryogen liquid enters evaporimeter (D1) through newly-increased choke valve (2) throttling step-down cooling and absorbs waste heat and become refrigerant vapour; Absorbing above-mentioned two parts steam from the concentrated solution of high pressure generator (A1) in the absorber (E1) becomes weak solution and heat release in the heated medium of flowing through in it, weak solution enters low pressure generator (B1) through solution pump (H1) pressurization and is heated and discharges the refrigerant medium that participates in double-effect process, and the solution after concentration improves enters high pressure generator (A1) and externally drives under the effect of heat and discharges the refrigerant medium that participates in the single-action flow process; New single-action heat pump flowsheet and former double-effect heat pump flow process are formed the combined heat-pump flow process, condenser (1)---bring in and finish by newly-increased by the high-temperature heat supply of combined heat-pump to the high temperature section heat supply of heated medium for the combined heat-pump flow process, and the combined heat-pump flow process is finished by absorber (E1) and condenser (C1) the low-temperature zone heat supply of heated medium; Single-action, double-effect process common suction device (E1); Newly-increased high-temperature heat supply end belongs to the single-action flow process, and its performance index is low than double-effect process, but its heat supply temperature height.
The present invention also can regard in the single-action heat pump flowsheet result who increases low-temperature heat supply terminal as---by generator (A1), condenser (1), choke valve (2), evaporimeter (D1), absorber (E1), in the single-effective absorption unit that solution pump (H1) and first solution heat exchanger (I1) are formed, increase low pressure generator (B1), low-pressure condenser (C1), first throttle valve (F1), second choke valve (G1) and second solution heat exchanger (J1), having solution pipeline to change absorber (E1) into through solution pump (H1) connection high pressure generator (A1) absorber (E1) has solution pipeline to be communicated with low pressure generator (B1) through solution pump (H1), low pressure generator (B1) has solution pipeline to be communicated with high pressure generator (A1) and refrigerant vapour channel connection low-pressure condenser (C1) is arranged through second solution heat exchanger (J1) again, high pressure generator (A1) has cryogen liquid pipeline to be communicated with low-pressure condenser (C1) through second choke valve (G1) after setting up refrigerant vapour channel connection low pressure generator (B1) again, and low-pressure condenser (C1) has cryogen liquid pipeline to be communicated with evaporimeter (D1) through first throttle valve (F1); The low-pressure condenser (C1) that increases is finished the low-temperature zone heat supply to heated medium.
Shown in Figure 2 is to form composite absorption heat pump according to increase high-temperature heat supply end in the double effect absorption type heat pump that adopts the circulation of series connection solution provided by the present invention; More shown in Figure 1, the difference of the two is: on the structure, newly-increased condenser (1) has cryogen liquid pipeline to be communicated with condenser (C1) through newly-increased choke valve (2) among Fig. 2; On the flow process, the cryogen liquid that participates in new single-action flow process enters evaporimeter (D1) through first throttle valve (F1) throttling again after newly-increased choke valve (2) throttling enters condenser (C1).
Shown in Figure 3, in the double effect absorption type heat pump that adopts solution circulation in parallel, increase high-temperature heat supply end and form composite absorption heat pump according to provided by the present invention, it be realize so of the present invention:
1. on the structure, forming by high pressure generator (A1), low pressure generator (B1), condenser (C1), evaporimeter (D1), absorber (E1), first throttle valve (F1), second choke valve (G1), solution pump (H1), first solution heat exchanger (I1), second solution heat exchanger (J1) and cryogen liquid recirculation pump (K1), in the double effect absorption type heat pump of solution circulation in parallel, increasing a condenser (1) and a choke valve (2); High pressure generator (A1) is set up the newly-increased condenser (1) of refrigerant vapour channel connection, and newly-increased condenser (1) has cryogen liquid pipeline to be communicated with condenser (C1) through newly-increased choke valve (2), and newly-increased condenser (1) also has pipeline to be communicated with heated medium; High pressure generator (A1), newly-increased condenser (1), newly-increased choke valve (2), evaporimeter (D1), absorber (E1), solution pump (H1) and first solution heat exchanger (I1), and piggybacking constitutes new single-action heat pump flowsheet in condenser (C1), first throttle valve (F1); Single-action, double-effect process common suction device (E1), newly-increased high-temperature heat supply end---newly-increased condenser (1) belongs to the single-action flow process.
2. on the flow process, the weak solution that enters high pressure generator (A1) by absorber (E1) externally drives the refrigerant vapour that discharges under the effect of heat and enters newly-increased condenser (1) heat release and become cryogen liquid in the heated medium of flowing through in it, this part cryogen liquid enters evaporimeter (D1) through first throttle valve (F1) throttling step-down cooling again after newly-increased choke valve (2) throttling step-down cooling enters a little heat release of condenser (C1), absorbing waste heat becomes refrigerant vapour to provide to absorber (E1), absorbed from the concentrated solution of high pressure generator (A1) and heat release in the heated medium of flowing through in it, the refrigerant medium that is absorbed by concentrated solution in absorber (E1) becomes the part of weak solution, under pressurizeing the effect that enters high pressure generator (A1) and externally driving heat, solution pump (H1) becomes refrigerant vapour again; New single-action heat pump flowsheet and former double-effect heat pump flow process are formed the combined heat-pump flow process, condenser (1)---bring in and finish by newly-increased by the high-temperature heat supply of combined heat-pump to the high temperature section heat supply of heated medium for the combined heat-pump flow process, and the combined heat-pump flow process is finished by absorber (E1) and condenser (C1) the low-temperature zone heat supply of heated medium; Single-action, double-effect process common suction device (E1); Newly-increased high-temperature heat supply end belongs to the single-action flow process, and its performance index is low than double-effect process, but its heat supply temperature height.
As shown in Figure 4, realize according to increasing bypass line and two control valves on the composite absorption heat pump provided by the present invention again single-action and economic benefits and social benefits cooperate or the purpose of conversion is achieved in that increase by first control valve (L1) on the heated medium pipeline that is entering newly-increased condenser (1), sets up by-pass line and increase by second control valve (M1) at by-pass line; Unit is pressed double-effect process work when closing first control valve (L1), unlatching second control valve (M1)---newly-increased not heat release of condenser (1) this moment, and newly-increased choke valve (2) cuts out; First control valve (L1) and second control valve (M1) when all opening unit work by mode based on double-effect process, first control valve (L1) is opened, second control valve (M1) when closing unit work by mode based on complex flow, can change the ratio of unit single-action and economic benefits and social benefits when regulating the relative opening degree of first control valve (L1) and second control valve (M1).
Composite absorption heat pump shown in Figure 5, that form according to two high-temperature heat supply ends of increase in the three-effect absorption-type heat pump of employing series connection solution circulation provided by the present invention, it is that realization is of the present invention like this:
1. on the structure, by high pressure generator (A2), the middle generator (B2) of pressing, low pressure generator (C2), condenser (D2), evaporimeter (E2), absorber (F2), first throttle valve (G2), second choke valve (H2), the 3rd choke valve (I2), solution pump (J2), first solution heat exchanger (K2), second solution heat exchanger (L2), the 3rd solution heat exchanger (M2) and cryogen liquid recirculation pump (N2) are formed, in the three-effect absorption-type heat pump of solution series circulation, increase two condensers newly---newly-increased first condenser (1), newly-increased second condenser (3) and two choke valves---newly-increased first throttle valve (2), newly-increased second choke valve (4); Set up newly-increased first condenser (1) of refrigerant vapour channel connection from high pressure generator (A2), newly-increased first condenser (1) has cryogen liquid pipeline to be communicated with evaporimeter (E2) through newly-increased first throttle valve (2), and newly-increased first condenser (1) also has pipeline to be communicated with heated medium; Set up newly-increased second condenser (3) of refrigerant vapour channel connection from middle pressure generator (B2), newly-increased second condenser (3) has cryogen liquid pipeline to be communicated with evaporimeter (E2) through newly-increased second choke valve (4), and newly-increased second condenser (3) also has pipeline to be communicated with heated medium.
2. on the flow process, high pressure generator (A2), newly-increased first condenser (1), newly-increased first throttle valve (2), evaporimeter (E2), absorber (F2), solution pump (J2), first solution heat exchanger (K2), and piggybacking is in low pressure generator (C2), middle generator (B2) and other solution heat exchangers etc. of pressing constitute new single-action heat pump flowsheets, the middle generator (B2) of pressing, newly-increased second condenser (3), newly-increased second choke valve (4), evaporimeter (E2), absorber (F2), solution pump (J2), first solution heat exchanger (K2), and piggybacking is in low pressure generator (C2), high pressure generator (A2) and other solution heat exchanger etc. constitute new double-effect heat pump flow process; New single-action heat pump flowsheet and new double-effect heat pump flow process and former triple effect heat pump flowsheet are formed the combined heat-pump flow process, the combined heat-pump flow process is finished single-action, economic benefits and social benefits and triple effect common suction device (F2) by newly-increased first condenser (1) of single-action flow process, newly-increased second condenser (3) of double-effect process and the absorber (F2) of triple effect flow process with condenser (D2) respectively to the heat supply of high temperature section, middle-temperature section and the low-temperature zone of heated medium.
The effect that the technology of the present invention can realize---the composite absorption heat pump that forms by increasing high-temperature heat supply end proposed by the invention has following effect and advantage:
1. as heat pump, can remedy and supply heat energy when simple double effect absorption type heat pump is used for wider heating range, higher final temperature Hypodynamic defective, performance index in the time of can remedying in other words the single-action unit for wider heating range, low initial temperature Relatively low defective.
2. creatively only increase condenser and choke valve and just formed integral type combined heat-pump structure, simple in structure, thereby Reduce largely equipment manufacturing cost.
3. can realize the conversion of single-action and double-effect process or cooperate, realize the as far as possible maximization of energy-saving benefit, as winter Adopt the single-action flow process during high-temperature heat supply, adopt economic benefits and social benefits or multiple-effect flow process during summer cooling.
4. the adjusting of unit load and heating parameter be can carry out within the specific limits, load, heat supply temperature variation are being applied to The occasion that scope is bigger can be given full play to two flow processs advantage separately, improves the synthesis energy saving benefit.
Claims (3)
1. composite absorption heat pump that forms by increasing high-temperature heat supply end, it is characterized in that in double effect absorption type heat pump, increasing condenser and choke valve, when providing refrigerant vapour, provide refrigerant vapour to form new single-action high-temperature heat supply end to newly-increased condenser for low pressure generator by high pressure generator; By high pressure generator (A1), low pressure generator (B1), condenser (C1), evaporimeter (D1), absorber (E1), first throttle valve (F1), second choke valve (G1), solution pump (H1), first solution heat exchanger (I1), in the double effect absorption type heat pump that second solution heat exchanger (J1) and cryogen liquid recirculation pump (K1) are formed, increase condenser (1) and choke valve (2) newly, high pressure generator (A1) is set up the newly-increased condenser (1) of refrigerant vapour channel connection, increase condenser (1) newly or have cryogen liquid pipeline to be communicated with evaporimeter (D1) through newly-increased choke valve (2), or having cryogen liquid pipeline to be communicated with condenser (C1) through newly-increased choke valve (2), newly-increased condenser (1) also has pipeline to be communicated with heated medium; High pressure generator (A1), newly-increased condenser (1), newly-increased choke valve (2), evaporimeter (D1), absorber (E1), solution pump (H1) and first solution heat exchanger (I1), and by means of the new single-action heat pump flowsheet of low pressure generator (B1) formation, form the combined heat-pump flow process with former double-effect heat pump flow process, the combined heat-pump flow process is finished by newly-increased condenser (1) the high temperature section heat supply of heated medium, and the combined heat-pump flow process is finished by absorber (E1) and condenser (C1) the low-temperature zone heat supply of heated medium; On the heated medium pipeline, increase by first control valve (L1) again, set up by-pass line and increase the composite absorption heat pump that second control valve (M1) can be realized cooperating of single-action and economic benefits and social benefits or conversion at by-pass line; In the three-effect absorption-type heat pump, increase first condenser (1), second condenser (3), first throttle valve (2) and second choke valve (4) newly, can be implemented in the composite absorption heat pump that forms by increasing by two high-temperature heat supply ends in the three-effect absorption-type heat pump.
2. claim 1 saidly increases by first control valve (L1) again, sets up by-pass line and increase the composite absorption heat pump that second control valve (M1) can be realized cooperating of single-action and economic benefits and social benefits or conversion on by-pass line on the heated medium pipeline, it is characterized in that increasing by first control valve (L1) with entering on the pipeline of newly-increased condenser (1) and other establishes increase by second control valve (M1) on the by-pass line; First control valve (L1) cuts out, second control valve (M1) is opened, newly-increased choke valve (2) when closing unit by double-effect process work, first control valve (L1) and second control valve (M1) when all opening unit work by mode based on double-effect process, first control valve (L1) is opened, second control valve (M1) when closing unit work by mode based on complex flow, can change the ratio of unit single-action and economic benefits and social benefits when regulating the relative opening degree of first control valve (L1) and second control valve (M1).
3. the said composite absorption heat pump that in the three-effect absorption-type heat pump, forms of claim 1 by increasing by two high-temperature heat supply ends, the high pressure generator (A2) that it is characterized in that the three-effect absorption-type heat pump is established the refrigerant vapour passage in addition provides refrigerant vapour to form high-temperature heat supply end to newly-increased first condenser (1), middle pressure generator (B2) establish in addition the refrigerant vapour passage to newly-increased second condenser (3) provide refrigerant vapour form in warm heat supply end.
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| CNA2008101396208A CN101349486A (en) | 2008-08-26 | 2008-08-26 | Composite absorption type heat pump formed by increasing high temperature heat supply end |
| CN2009101684411A CN101644505B (en) | 2008-08-25 | 2009-08-20 | Composite adsorption type heat pump adding high-temperature heat supply end on the basis of double-effect or multiple-effect |
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| CNA2008101396208A CN101349486A (en) | 2008-08-26 | 2008-08-26 | Composite absorption type heat pump formed by increasing high temperature heat supply end |
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| CN2009101684411A Active CN101644505B (en) | 2008-08-25 | 2009-08-20 | Composite adsorption type heat pump adding high-temperature heat supply end on the basis of double-effect or multiple-effect |
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| WO2010118636A1 (en) * | 2009-04-14 | 2010-10-21 | Li Huayu | Method for increasing heating temperature of heat pump and high temperature second-type absorption heat pump |
| CN102353170A (en) * | 2011-08-03 | 2012-02-15 | 李华玉 | Composite absorption type heat pump on basis of double-effect or triple-effect |
| WO2012048445A1 (en) * | 2010-10-14 | 2012-04-19 | Li Huayu | Biabsorption-bigeneration system and third kind absorption heat pump with multiterminal heat supply |
| CN102589185A (en) * | 2012-02-19 | 2012-07-18 | 李华玉 | Third type absorption heat pump with regenerative cooling end |
| CN102679615A (en) * | 2012-05-04 | 2012-09-19 | 李华玉 | Sectional heat return third-class absorption heat pump |
| WO2012159228A1 (en) * | 2011-05-23 | 2012-11-29 | Li Huayu | Third-type absorption-generation system and third-type absorption heat pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010118636A1 (en) * | 2009-04-14 | 2010-10-21 | Li Huayu | Method for increasing heating temperature of heat pump and high temperature second-type absorption heat pump |
| WO2012048445A1 (en) * | 2010-10-14 | 2012-04-19 | Li Huayu | Biabsorption-bigeneration system and third kind absorption heat pump with multiterminal heat supply |
| WO2012159228A1 (en) * | 2011-05-23 | 2012-11-29 | Li Huayu | Third-type absorption-generation system and third-type absorption heat pump |
| CN102353170A (en) * | 2011-08-03 | 2012-02-15 | 李华玉 | Composite absorption type heat pump on basis of double-effect or triple-effect |
| CN102353170B (en) * | 2011-08-03 | 2014-09-03 | 李华玉 | Composite absorption type heat pump on basis of double-effect or triple-effect |
| CN102589185A (en) * | 2012-02-19 | 2012-07-18 | 李华玉 | Third type absorption heat pump with regenerative cooling end |
| CN102679615A (en) * | 2012-05-04 | 2012-09-19 | 李华玉 | Sectional heat return third-class absorption heat pump |
| CN102679615B (en) * | 2012-05-04 | 2014-09-03 | 李华玉 | Sectional heat return third-class absorption heat pump |
| WO2013170406A1 (en) * | 2012-05-14 | 2013-11-21 | Li Huayu | Multistage condensation type iii absorption heat pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101644505B (en) | 2012-03-21 |
| CN101644505A (en) | 2010-02-10 |
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