CN204084939U

CN204084939U - A kind of two thermal source lithium bromide absorption type heat pump

Info

Publication number: CN204084939U
Application number: CN201420181764.0U
Authority: CN
Inventors: 康益军; 魏曼曼; 刘兴原; 赵岩; 杨坤
Original assignee: Tongfang Kawasaki Advanced Energy Saving Machine Co Ltd
Current assignee: Tongfang Energy Saving Equipment Co ltd
Priority date: 2014-04-15
Filing date: 2014-04-15
Publication date: 2015-01-07
Anticipated expiration: 2024-04-15

Abstract

The utility model discloses a kind of two thermal source lithium bromide absorption type heat pump, comprise by the interconnective generator of pipeline, condenser, evaporimeter, absorber and heat exchanger, wherein, absorber comprises the first absorber and the second absorber; Evaporimeter comprises the first evaporimeter and the second evaporimeter; Condenser comprises the first condenser and the second condenser; Generator comprises the first generator and the second generator; Heat exchanger comprises First Heat Exchanger and the second heat exchanger; Remaining hot water pipeline is successively through the first evaporimeter and the second evaporimeter; Hot water line is successively through the first absorber, the first condenser, the second absorber and the second condenser.Compared with prior art, the utility model can utilize two thermal source to carry out work, and the scope of application is wider.

Description

A kind of two thermal source lithium bromide absorption type heat pump

Technical field

The utility model relates to a kind of heat pump, particularly a kind of two thermal source lithium bromide absorption type heat pump.

Background technology

As shown in Figure 1, it comprises generator 1, condenser 2, evaporimeter 3, absorber 4 and heat exchanger 5 to the lithium bromide absorption type heat pump structure of existing single source (thermal source comprises steam, hot water etc., is only described for steam herein).During work, the weak solution (lithium-bromide solution) of absorber 4 is by entering generator 1 from the entrance of generator 1 after heat exchanger 5 and absorbing heat from heat source, produce steam, weak solution becomes concentrated solution, the concentrated solution of generator 1 is got back to absorber 4 through heat exchanger 5 and absorbs the steam of flash-pot 3, release heat simultaneously, the hot water be introduced in absorber 4 pipe absorbs, hot water realizes once heating up, concentrated solution becomes weak solution again simultaneously, weak solution is pumped into generator 1 by solution pump 6 again, circulates and so forth.The steam that weak solution produces when becoming concentrated solution in generator 1 enters condenser 2 condensation, steam liquefy water, release heat, absorbed by hot water in pipe, hot water realizes last intensification, and the aqueous water of condenser 2 enters the heat of remaining hot water in absorption tube in evaporimeter 3, becomes steam, steam enters absorber 4 and is absorbed by the concentrated solution in absorber 4, and remaining hot water is lowered the temperature heat release in evaporimeter 3.Refrigerant pump 7 is for being delivered to evaporimeter 3 top by condensate water bottom described evaporimeter 3.

But in actual production, inventor finds, this type of heat pump can only be applicable to the situation of the single steam of onsite application, and when user needs the different steam of use two kinds of pressure as thermal source and more utilizes low-pressure steam, then can not meet job requirement.

Utility model content

In view of the problems referred to above that prior art exists, the purpose of this utility model is that providing a kind of can utilize two thermal source to carry out two thermal source lithium bromide absorption type heat pumps of work.

To achieve these goals, two thermal source lithium bromide absorption type heat pumps that the utility model provides, comprise by the interconnective generator of pipeline, condenser, evaporimeter, absorber and heat exchanger, the remaining hot water pipeline that described pipeline comprises conveying remaining hot water, the condensate line carried the hot water line of hot water, carry the weak solution pipeline of weak solution, carry the concentrated solution pipeline of concentrated solution and the solidifying water of conveying, it is characterized in that, described absorber has the first separate absorber and the second absorber, and described evaporimeter comprises the first evaporimeter and the second evaporimeter;

Described condenser comprises the first condenser be connected with described first evaporimeter bottom by condensate line and the second condenser be connected with described second evaporimeter bottom by another condensate line;

Described generator comprises the first generator and the second generator, and described first generator is connected with described first absorber bottom by weak solution pipeline, and is connected with the middle part of described first absorber by concentrated solution pipeline; Described second generator is connected with the bottom of described second absorber by another weak solution pipeline, and is connected with the middle part of described second absorber by another concentrated solution pipeline;

Described heat exchanger is used for making to carry out heat exchange between weak solution pipeline and concentrated solution pipeline, it comprises and is arranged at the weak solution pipeline between described first generator and described first absorber and the First Heat Exchanger on concentrated solution pipeline, and is arranged at the weak solution pipeline between described second generator and described second absorber and the second heat exchanger on concentrated solution pipeline;

Described remaining hot water pipeline is successively through described first evaporimeter and described second evaporimeter;

Described hot water line is successively through the first absorber, the first condenser, the second absorber and the second condenser.

As preferably, described weak solution pipeline is provided with solution pump.

Compared with prior art, the utility model has following beneficial effect:

1, two thermal source can be utilized to carry out work, the scope of application is wider;

2, low-pressure steam is lower than the cost of high steam, a considerable number of, more utilizes low-pressure steam significantly to reduce costs, economize energy.

Accompanying drawing explanation

Fig. 1 is the principle schematic of the lithium bromide absorption type heat pump of the single heat source of prior art;

Fig. 2 is the principle schematic of of the present utility model pair of thermal source lithium bromide absorption type heat pump.

Detailed description of the invention

Below in conjunction with accompanying drawing, structure of the present utility model is further described in detail.

Figure 1 shows that the single heat source lithium bromide absorption type heat pump of prior art, as shown in Figure 1, general lithium bromide absorption type heat pump all comprises by the interconnective generator 1 of various pipeline usually, condenser 2, evaporimeter 3, absorber 4 and heat exchanger 5, described pipeline generally comprises the remaining hot water pipeline of conveying remaining hot water, the hot water line of conveying hot water, the weak solution pipeline of conveying weak solution, the condensate line of the concentrated solution pipeline of conveying concentrated solution and the solidifying water of conveying, these pipelines are respectively used to connect relevant device, play the effect of conveying medium, do not illustrate one by one in FIG.As described in present context technology, traditional this lithium bromide absorption type heat pump can only be applicable to the situation of single source.Figure 2 shows that the principle schematic of of the present utility model pair of thermal source lithium bromide absorption type heat pump, as shown in Figure 2, generator in the utility model, condenser, evaporimeter, absorber and heat exchanger are all respectively provided with two covers, except remaining hot water pipeline and hot water line, all the other pipelines are independent all separately to be arranged.Particularly, wherein said absorber has the first separate absorber 14 and the second absorber 24, and described evaporimeter comprises described first evaporimeter 13 and the second evaporimeter 23;

Described condenser comprises the first condenser 12 be connected with described first evaporimeter 13 bottom by condensate line 121 and the second condenser 22 be connected with described second evaporimeter 23 bottom by another condensate line 221;

Described generator comprises the first generator 11 and the second generator 21, described first generator 11 is connected with described first absorber 14 bottom by weak solution pipeline 111, and the bottom of the first generator 11 is connected with the middle part of described first absorber 14 by concentrated solution pipeline 112; Described second generator 21 is connected with the bottom of described second absorber 24 by another weak solution pipeline 211, and the bottom of the second generator 21 is connected with the middle part of described second absorber 24 by another concentrated solution pipeline 212;

Described heat exchanger is used for making to carry out heat exchange between weak solution pipeline and concentrated solution pipeline, it comprises and is arranged at the weak solution pipeline 111 between described first generator 11 and described first absorber 14 and the First Heat Exchanger 15 on concentrated solution pipeline 112, and is arranged at the weak solution pipeline 211 between described second generator 21 and described second absorber 24 and the second heat exchanger 25 on concentrated solution pipeline 212; Preferably, as shown in Figure 2, described weak solution pipeline can arrange solution pump respectively, as the solution pump 16 be arranged in Fig. 2 on weak solution pipeline 111 and the solution pump 26 be arranged on weak solution pipeline 211.

Described remaining hot water pipeline 20 is successively through described first evaporimeter 13 and described second evaporimeter 23;

Described hot water line 30 is successively through the first absorber 14, first condenser 12, second absorber 24 and the second condenser 22.

In the technical solution of the utility model, remaining hot water is introduced into the first evaporimeter 13 by remaining hot water pipeline 20, enter the second evaporimeter 23 again, respectively by heat conduction to the chilled water in evaporimeter, chilled water in evaporimeter then recycles respectively by respective circulation line pumping, sees the refrigerant pump 17 in accompanying drawing and refrigerant pump 27.The temperature of remaining hot water self is in this course by high step-down.For evaporimeter, the quality of its evaporation effect is directly proportional to remaining hot water temperature, and the evaporation effect of the first evaporimeter 13 therefore in the first absorber 14 is better than the evaporation effect of the second evaporimeter 23 in the second absorber 24.Meanwhile, hot water is introduced into the first absorber 14 by hot water line 30, then enters in the first condenser 12 and absorb heat, then enters the second absorber 24, finally enters after carrying out secondary heat absorption in the second condenser 22, finally just enter user side.The temperature of hot water raises gradually in the process, for absorber, wherein lithium-bromide solution assimilation effect quality is then inversely proportional to the temperature of hot water, and the heat absorption effect therefore in the first absorber 14 is better than the heat absorption effect in the second absorber 24.Based on above-mentioned condition, when reality uses, as shown in Figure 2, low-pressure steam can be passed into as thermal source in the first generator 11 of connection first absorber 14, and pass into high steam as thermal source in the second generator 21 of connection second absorber 24.Can find out, the utility model is compared to prior art and two thermal source (low-pressure steam thermal source and high steam thermal source) can be utilized to carry out work, and the scope of application is wider; Low-pressure steam is lower than the cost of high steam, a considerable number of, more utilizes low-pressure steam significantly to reduce costs, economize energy.

Certainly, the above is the preferred embodiment of invention, should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.

Claims

1. a two thermal source lithium bromide absorption type heat pump, comprise by the interconnective generator of pipeline, condenser, evaporimeter, absorber and heat exchanger, the remaining hot water pipeline that described pipeline comprises conveying remaining hot water, the condensate line carried the hot water line of hot water, carry the weak solution pipeline of weak solution, carry the concentrated solution pipeline of concentrated solution and the solidifying water of conveying, it is characterized in that, described absorber has the first separate absorber and the second absorber, and described evaporimeter comprises the first evaporimeter and the second evaporimeter;

2. two thermal source lithium bromide absorption type heat pump as claimed in claim 1, is characterized in that, described weak solution pipeline is provided with solution pump.