JPS6118370Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an absorption refrigerator, and more particularly to an absorption refrigerator equipped with a high-stage generator, a low-stage generator, a high-stage condenser, and a low-stage condenser.

An absorption refrigerating machine constructed as described above is shown in, for example, Japanese Patent Publication No. 35663/1983. As shown in Fig. 4, in this conventional system, the generator and condenser are each divided into two parts, a high stage and a low stage, and each divided single generator a ₁ , a ₂ and condenser b ₁ and b ₂ are provided as a pair in independent rooms A and B, and generators a ₁ and a ₂ are provided in each of these rooms A and B.
were connected to each other in series to enable flow of solution from the high stage generator _a1 to the low stage generator _a2 . In addition, cooling water pipes c installed in each of the condensers b ₁ and b ₂
Then, cooling water is passed from the low stage condenser b ₂ corresponding to the low stage generator a ₂ to the high stage condenser b ₁ corresponding to the high stage generator a ₁ , and these low stage condensers
Refrigerant liquid pipes d ₂ and d ₁ were connected in parallel to b ₂ and high-stage condenser b ₁ , respectively.

As mentioned above, the high stage condenser _b1 and the low stage condenser
Connect refrigerant liquid pipes d ₁ and d ₂ to b ₂ separately, and after merging these refrigerant liquid pipes d ₁ and d ₂ , connect to high stage and low stage evaporators e ₁ and e ₂ . In case, low stage condenser b ₂
The liquid refrigerant, which has reached an average state between the liquid refrigerant that has become supercooled and the liquid refrigerant in the high-stage condenser b ₁ , was to be led to each of the evaporators e ₁ and e ₂ . Therefore, the refrigerating capacity of the liquid refrigerant from the low-stage condenser _b2 , which had once reached a supercooled state, was wasted.

However, the present invention was devised in view of the above-mentioned problems with conventional absorption refrigerators, and its purpose is to bring the liquid refrigerant from the condenser into a supercooled state as a whole, thereby increasing refrigeration efficiency. The object of the present invention is to provide an absorption refrigerating machine that can be lifted up, and has a partition wall, and a high chamber and a low chamber are formed horizontally across the partition wall. the high-stage generator is connected to the high-stage chamber, and the low-stage generator is connected to the low-stage chamber, and a flow hole is provided near the lower end of the partition wall, While allowing the condensate to flow from the tray chamber to the lower chamber, a weir higher in height than the distribution hole is provided on the lower chamber side of the distribution hole, and a refrigerant liquid pipe is connected to the lower chamber. It is characterized by the fact that

Embodiments of the present invention will be described below based on the drawings.

Reference numeral 1 denotes a box-shaped body, and a partition wall 2 is vertically disposed on a top plate 11 of the body 1, and a high chamber 3 and a low chamber 4 are formed on both sides in the horizontal direction by sandwiching the partition wall 2. Step room 3
A high-stage condenser 31 is disposed in the chamber 4, and a low-stage condenser 41 is disposed in the low-stage chamber 4, respectively. Furthermore, in the case shown in FIG. 1, below these condensers 31 and 41,
A high-stage generator 32 and a low-stage generator 42 are provided, the high-stage generator 32 is positioned above the low-stage generator 42, and the solution stored in the high-stage generator 32 has a depth of at least a certain depth. Then, the liquid flows into the low-stage generator 42 through a liquid seal mechanism 5 as shown in FIG. Then, the high stage generator 32 is placed in the high stage chamber 3, and the low stage generator 42 is placed in the high stage chamber 3.
are opened to the lower chamber 4, respectively.

Further, the hot water pipes H disposed in the high stage generator 32 and the low stage generator 42 are continuous, so that hot water flows from the low stage generator 42 to the high stage generator 32, while The cooling water piping c disposed between the high-stage condenser 31 and the low-stage condenser 41 is also continuous, so that the cooling water flows from the low-stage condenser 41 to the high-stage condenser 31. be.

Therefore, in the present invention, as shown in FIG. 2, a flow hole 21 is provided near the lower end of the partition wall 2 to enable flow of the condenser from the high chamber 3 to the low chamber 4, and Low chamber 4 of the communication hole 21
A weir 6 with a height higher than the position where the communication hole 21 is formed is provided on the side, and the refrigerant liquid pipe 7 is connected to the low chamber 4.
It connects to. The bottom walls 22 of the high chamber 3 and the low chamber 4 are inclined downward from the high chamber 3 side to the partition chamber 4 side, which facilitates the discharge of condensed liquid.

In addition, evaporators 81, 82 and absorbers 91, 92
The body 10, which has a circular cross section and is arranged with The absorber 91 is arranged in parallel, and the refrigerant liquid pipe 7 is connected to the high stage evaporator 8.
It opens at 1. Further, on the evaporator side and the absorber side of the wall 10a of the body 10, there are provided flow pipes 10b, 10b which open to the higher stage side, respectively, and a receiver 10 is provided at the lower end of the flow pipes 10b, 10b.
c and 10c are attached to form a liquid seal mechanism, and each of the evaporators 8
2, 81 and each absorber 92, 91 are connected to each other.

In addition, in FIG. 1, 83 is a refrigerant pump, and 93 is a refrigerant pump.
is a solution pump, 94 is a heat exchanger, E is a cold water pipe, and F is a cooling water pipe.

The solution that has become a concentrated solution in the generators 32 and 42 flows into the low stage absorber 92 side via the concentrated solution pipe D and the heat exchanger 94, and flows from the liquid sealing mechanism to the high stage absorber 92 side. After passing through the absorber 91, it is returned to the high stage generator 32 via the solution pump 93 and heat exchanger 94, while the generators 32, 42
The refrigerant gas generated in the condenser 31,
41, and flows into the high stage evaporator 81 side via the refrigerant liquid pipe 7 and evaporates,
The unevaporated refrigerant liquid is dispersed from the low-stage evaporator 82 side via the refrigerant pump 83, and when the liquid seal mechanism is configured, it flows down through the communication pipe 10b and the receiver 10c, and returns to the high-stage evaporator. The evaporated gas refrigerant is absorbed into the concentrated solution in each of the absorbers 91 and 92.

In the embodiment configured as described above, the refrigerant is condensed at high temperature and pressure in the high stage condenser 31, while the refrigerant is condensed at low temperature and pressure in the low stage condenser 41. However, the refrigerant condensed in the high-stage condenser 31 also flows into the low-stage chamber 4 side through the circulation hole 21 and the weir 6, and is cooled by the low-temperature cooling water flowing through the cooling water pipe c. The refrigerant is in a supercooled state equivalent to that of the refrigerant condensed in the low-stage condenser 41, and flows out into the refrigerant liquid pipe 7. Therefore, the condenser 3
The refrigerant condensed in 1 and 41 respectively is made into a supercooled refrigerant as a whole and is transferred to the evaporators 81 and 82.
It is possible to increase the refrigeration capacity.

As is clear from the above explanation, the absorption refrigerating machine of the present invention has a partition wall 2, and a high chamber 3 and a low chamber 4 are formed on both sides in the horizontal direction with the partition wall 2 in between. In each chamber 3, 4, each condenser 3
1 and 41, the high-stage generator 32 is connected to the high-stage chamber 3, and the low-stage generator 42 is connected to the low-stage chamber 4. holes 21 are provided to allow condenser flow from said high stage chamber 3 to said low stage chamber 4;
The communication hole 21 is located on the lower chamber 4 side of the communication hole 21.
Since a weir 6 with a higher height is provided and a refrigerant liquid pipe 7 is connected to the low stage chamber 4, the liquid refrigerant from the condensers 31 and 41 is kept in a supercooled state as a whole. This makes it possible to increase the refrigeration capacity.

[Brief explanation of the drawing]

FIG. 1 is a piping system diagram showing an embodiment of the present invention, FIGS. 2 and 3 are partially enlarged sectional views of main parts, and FIG. 4 is a piping system diagram showing a conventional example. 1... body, 2... partition wall, 21... distribution hole,
3...high stage chamber, 31...high stage condenser, 32...high stage generator, 4...low stage chamber, 41...low stage condenser,
42...Low stage generator, 6...Weir, 7...Refrigerant liquid pipe

Claims (1)

[Scope of utility model registration request] In an absorption refrigerator equipped with a high-stage generator 32, a low-stage generator 42, a high-stage condenser 31, and a low-stage condenser 41, it has a partition wall 2, and has partition walls 2 on both sides in the horizontal direction. Each condenser 31,
41, and the high stage generator 3 is placed in the high stage chamber 3.
2, and the low stage generator 42 is also installed in the low stage chamber 4.
are connected to each other, and a flow hole 21 is provided near the lower end of the partition wall 2 to enable flow of the condenser from the high stage chamber 3 to the low stage chamber 4. An absorption refrigerator characterized in that a weir 6 higher in height than the flow hole 21 is provided on the side of the chamber 4, and a refrigerant liquid pipe 7 is connected to the lower chamber 4.