CN201497266U

CN201497266U - Vertical oil separator for refrigerating unit

Info

Publication number: CN201497266U
Application number: CN2009202308257U
Authority: CN
Inventors: 缪志华; 李建豪; 谭来仔
Original assignee: NANJING WUZHOU REFRIGERATION GROUP CO Ltd
Current assignee: NANJING WUZHOU REFRIGERATION GROUP CO Ltd
Priority date: 2009-09-01
Filing date: 2009-09-01
Publication date: 2010-06-02
Anticipated expiration: 2019-09-01

Abstract

The utility model discloses a vertical oil separator for a refrigerating unit. The vertical oil separator comprises an outer barrel body; an inner barrel body with two ends opened fit to the outer barrel body is arranged in the outer inner barrel body; and an upper filter screen is arranged between the outer wall of an upper barrel opening of the inner barrel body and the inner wall of the outer barrel body. The inner barrel body is conical, thereby enlarging the total area of the filter screen, further reducing the gas flow rate and enhancing the oil-gas separating effect. In the barrel body with the size identical with that of the prior vertical oil separator, the circulation cross section of the filter screen is doubled, thereby effectively reducing the gas flow rate, enhancing the oil seperation efficiency and reducing the resistance loss to the maximum; moreover, if the oil seperation effect is the same as that of the prior vertical oil separator, the volume of the vertical oil separator provided by the utility model is greatly reduced, thereby saving material and occupied space and having strong use value.

Description

A kind of refrigeration unit vertical oil separator

Technical field

The utility model relates to a kind of refrigeration unit oil eliminator, relates in particular to a kind of vertical oil separator that is used for full-liquid type refrigeration unit, industrial freezing unit and other refrigeration unit.

Background technology

In refrigeration unit such as full-liquid type refrigeration unit, industrial freezing unit, more or less contain a certain amount of refrigeration oil in the exhaust of compressor, if and these oil can not be defined as back compressor, will cause two big unfavorable factors: the one, along with the increase of running time, compressor is finally understood oil starvation; The 2nd, in the refrigeration system in condenser and the evaporimeter oil content increase, on heat exchanger tube, can form one deck heavy oil film, increase thermal resistance, influence heat exchange.Therefore, general all oil eliminator is set at compressor to the exhaust section of condenser, and present vertical oil separator substantially all is following version, and as shown in Figure 1: existing refrigeration unit vertical oil separator comprises an outer bucket 31, is provided with a columniform interior bucket 32 in the outer bucket 31; On the bottom of interior bucket 32, fill up one deck screen pack 33, the exhaust outlet of the straight-through outer bucket 31 in the upper end of interior bucket 32.The oil-containing gases of discharging from exhaust outlet of compressor tangentially enters oil eliminator, spiral is descending in the interlayer of bucket 31 and interior bucket 32 outside, the cutting out partial oil droplet, then by screen pack 33, further isolate oil droplet, gas is discharged from exhaust outlet, and the refrigeration oil that is separated returns compressor from the bottom oil-out.Because the cross-sectional area of too little, the interior bucket of the interlayer spacing between the inside and outside bucket is too little, all can cause air resistance to increase, thereby cause the reduction of oil-dividing efficiency, so the profile of oil eliminator is all huger, not only waste material but also take than large space.

Summary of the invention

Goal of the invention: the purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of oil-dividing efficiency high refrigeration unit vertical oil separator.

Technical scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

A kind of refrigeration unit vertical oil separator comprises exterior bowl, is provided with the inner drum of adaptive with it both ends open in exterior bowl, is provided with screen pack between the outer wall of the last bung of inner drum and the inwall of exterior bowl.

In the utility model, preferred, described inner drum is conical, changes conical bucket into, has increased the gross area of screen pack, and then has reduced gas flow rate, has improved the effect of Oil-gas Separation.

Beneficial effect: with the onesize staving of existing vertical oil separator in, it is above that the flow area of screen pack is doubled, thereby reduced the flow velocity of gas effectively, promotes oil-dividing efficiency to greatest extent and reduce drag losses; If identical with the oily effect of the branch of existing vertical oil separator, then the volume of vertical oil separator of the present utility model will significantly reduce, and not only economize material but also reduced to take up room, and have very strong use value.

Description of drawings

Fig. 1 is the structural representation of existing refrigeration unit vertical oil separator.

Fig. 2 is the structural representation of refrigeration unit vertical oil separator of the present utility model.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model is further elaborated.

As shown in Figure 2, be provided with a conical inner drum 2 in the exterior bowl 1 of refrigeration unit vertical oil separator of the present utility model, leave the space of gas communication between exterior bowl 1 and the inner drum 2.Be provided with air inlet 11 in the side of exterior bowl 1, air inlet 11 tangential feedings between exterior bowl 1 and the inner drum 2, the top of exterior bowl 1 is an exhaust outlet 12.The upper end of inner drum 2 is last bung 21, and the lower end is following bung 22.Be provided with screen pack 3 between the inwall of the outer wall of last bung 21 and exterior bowl 1; Following bung 22 fills up down screen pack 4; The utility model filters existing single channel and becomes dual channel filtered, thereby has increased the gross area of screen pack greatly, has strengthened the effect of Oil-gas Separation.Same, the inner drum 2 in the utility model also can be other similar conical bucket, as long as its upper opening is little, thereby reach can increase the area effect that goes up screen pack 3 bucket can, and be not limited to conical bucket.The exhaust outlet 12 on last bung 21 straight-through exterior bowl 1 tops of interior bucket 2.

The oil-containing gases of discharging from exhaust outlet of compressor tangentially enters by oil eliminator by air inlet 11, round inner drum 2 centrifugal flow, cutting out partial oil droplet; Respectively by last screen pack 3 and following screen pack 4, dual channel filtered is further isolated oil droplet, is pooled to the top then, discharges from exhaust outlet 12, and the refrigeration oil that is separated returns compressor from the bottom oil drain out.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. refrigeration unit vertical oil separator, it is characterized in that: comprise exterior bowl (1), in exterior bowl (1), be provided with the inner drum (2) of the adaptive with it equal opening in two ends, be provided with screen pack (3) between last bung (21) outer wall of inner drum (2) and the inwall of exterior bowl (1).

2. refrigeration unit vertical oil separator according to claim 1 is characterized in that: described inner drum (2) is for conical.