CN2280263Y

CN2280263Y - Bubble type low pressure boiler

Info

Publication number: CN2280263Y
Application number: CN 96242559
Authority: CN
Inventors: 李学德
Original assignee: Jingfa Refrigerating & Air-Conditioning Industry Co Ltd Hengyang
Current assignee: Jingfa Refrigerating & Air-Conditioning Industry Co Ltd Hengyang
Priority date: 1996-11-28
Filing date: 1996-11-28
Publication date: 1998-04-29
Anticipated expiration: 2006-11-28

Abstract

The utility model relates to a refrigeration facility, particularly a bubble type low pressure boiler, which is composed of a body (1), a condenser water plate (2), a heat transfer steam pipe (3), a heat transfer water pipe (10), a refrigerant water pipe (4) and a cooling water pipe (5). The heat transfer water pipe is positioned below the heat transfer steam pipe in order to effectively improve the heat transfer effect. The utility model has the advantages of favorable evaporation effect, smaller heat transfer area, smaller volume of the low pressure generator and lower fabrication cost.

Description

The bubble type low pressure generator

The utility model relates to refrigeration plant, the bubble type low pressure generator in particularly a kind of lithium bromide refrigerating unit.

Existing low pressure generator is as shown in Figure 1: it is by body (1), condenser water pond (2), heat transfer steam pipe (3), cryogen water pipe (4) and cooling water pipe (5) are formed, the dense molten outlet of bromize lithium dilute solution inlet tube (6) and lithium bromide (7) is arranged on the body, water as refrigerant outlet (8) is arranged at condenser water pond (2) bottom, one end of cryogen water pipe (4) connects with the outlet of heat transfer steam pipe (3), the other end is positioned at the top of condenser water pond (2), the import of heat transfer steam pipe connects with the primary steam pipe (9) of coming from high pressure generator, and cooling water pipe (5) passes through from the condenser water pond.During work, a steam that produces from high pressure generator directly enters heat transfer steam pipe (3), become water as refrigerant after discharging latent heat, in the cryogen water pipe enters condenser water pond (2) and the water quench in the water pipe that is cooled (5), enter in the evaporation absorber by water as refrigerant outlet (8) again.

There is following weak point in the low pressure generator of this structure: owing to the temperature of the primary steam that enters the heat transfer steam pipe is lower, the bubble that lithium-bromide solution forms in evaporation process is longer attached to the time on the tube wall of heat transfer steam pipe, evaporation effect is poor, the heat-transfer area that requires is big, thereby volume is big, the cost of manufacture height.

The purpose of this utility model is intended to overcome the above-mentioned weak point of prior art and a kind of bubble type low pressure generator is provided.

The technical solution of the utility model: be provided with the heat transfer water pipe below the heat transfer steam pipe, its import connects with heating vapour-condensing water pipe from high pressure generator, exports that the hot-water line of water regenerator connects with leading to fixed attention.

The utility model compared with prior art, has following advantage owing to adopt as above design, because the water temperature that enters in the heat transfer water pipe is higher, big with the temperature difference of lithium-bromide solution, boiling is fierce, and the bubble of generation is many, these bubbles constantly impact attached to the bubble on the heat transfer steam pipe, thereby improved heat-transfer effect effectively, evaporation effect is good, and heat-transfer area reduces, dwindle the volume of low pressure generator, reduced cost of manufacture.

Below in conjunction with drawings and Examples detailed structure of the present utility model is further described.

Accompanying drawing 1 is the structural representation of existing low pressure generator.

Accompanying drawing 2 is a structural representation of the present utility model.

As shown in Figure 2: the bubble type low pressure generator is made up of body (1), condenser water pond (2), heat transfer steam pipe (3), heat transfer water pipe (10), cryogen water pipe (4) and cooling water pipe (5), the dense molten outlet of bromize lithium dilute solution inlet tube (6) and lithium bromide (7) is arranged on the body, water as refrigerant outlet (8) is arranged at condenser water pond (2) bottom, one end of cryogen water pipe (4) connects with the outlet of heat transfer steam pipe (3), the other end is positioned at the top of condenser water pond (2), and cooling water pipe (5) passes through from the condenser water pond; The import of heat transfer steam pipe connects with the primary steam pipe (9) that produces from high pressure generator, and the import of heat transfer water pipe connects with heating vapour-condensing water pipe (11) from high pressure generator, exports that the hot-water line (12) of water regenerator connects with leading to fixed attention.

Claims

1, a kind of bubble type low pressure generator, it is by body, the condenser water pond, the heat transfer steam pipe, cryogen water pipe and cooling water pipe are formed, the dense molten outlet of bromize lithium dilute solution inlet tube and lithium bromide is arranged on the body, the Water in Condenser tray bottom has the water as refrigerant outlet, one end of cryogen water pipe connects with the outlet of heat transfer steam pipe, the other end is positioned at the top of condenser water pond, the import of heat transfer steam pipe connects with the primary steam pipe of coming from high pressure generator, cooling water pipe passes through from the condenser water pond, it is characterized in that below the heat transfer steam pipe, being provided with the heat transfer water pipe, its import connects with heating vapour-condensing water pipe from high pressure generator, exports that the hot-water line of water regenerator connects with leading to fixed attention.