Background technology
Horizontal liquid reservoir is for the visual plant in liquid refrigeration system, the flash steam producing after throttling for separating of liquid refrigerant, and the drop of carrying secretly in separating evaporator back-steam, required refrigerant liquid while storing liquid pump work, and in the refrigeration system without discharge opeing bucket, double as discharge opeing bucket and use.It requires more much smaller than vertical low pressure circulation receiver to the height space of installation site.
China patent CN201449091U discloses a kind of ammonia liquid reservoir for ammonia compression refrigerating system, described laterally barrel-shaped liquid reservoir body upper surface offers inlet, balance port, air liberation port, at same end face, be equipped with Pressure gauge, safety valve and liquid valve central tube, and connect respectively and establish the liquid level meter being connected at the upper and lower end face of side, described liquid receiver body is provided with an oil storage bubble in its lower surface towards gravity direction, and offers one with the fuel outlet of fuel outlet valve on oil storage bubble.Above-mentioned liquid reservoir can easily be discharged the long-pending oil in liquid reservoir by the controlled fuel outlet valve of flow, improve the energy-conservation and high efficiency of ammonia refrigeration system.
But, when evaporimeter back-steam of the prior art enters liquid reservoir inside from horizontal liquid reservoir one end, air-flow can be got back in compressor air suction mouth by steam outlet pipe at high speed, steam time in liquid reservoir with drop is shorter, can not obtain effective gas-liquid separation and just directly enter in compressor, can cause compressor liquid hammer.
Summary of the invention
The utility model is the problems referred to above that exist for existing technology, the horizontal liquid reservoir that provides a kind of refrigeration system to use, technical problem to be solved in the utility model is: how by improving the gas-liquid separation performance of this liquid reservoir, thereby avoid compressor to occur liquid hit phenomenon.
The purpose of this utility model can realize by following technical proposal:
The horizontal liquid reservoir that a kind of refrigeration system is used, described liquid reservoir comprises the surge drum that along continuous straight runs arranges, in described surge drum, offer inner chamber, on the sidewall of described surge drum, be provided with steam inlet pipe and steam outlet pipe with described intracavity inter-connection, it is characterized in that, described steam inlet pipe and steam outlet pipe are bend pipe, the inner of described steam inlet pipe and the inner of steam outlet pipe are all arranged in described inner chamber, the inner of described steam inlet pipe and the inner of steam outlet pipe are respectively towards different directions, and the outer end of described steam inlet pipe and the outer end of steam outlet pipe all extend to outside described surge drum.
Its operation principle is as follows: the steam inlet pipe of this horizontal liquid reservoir is connected with evaporimeter muffler, and this steam outlet pipe of horizontal liquid reservoir and the air entry of compressor are connected, and meanwhile, this horizontal liquid reservoir is also provided with the structures such as feed tube, and not in this to go forth.And the application's innovative point is, the steam flowing out from evaporimeter passes through steam inlet pipe, surge drum, steam outlet pipe successively, finally enter compressor, because the steam inlet pipe in the application and steam outlet pipe are bend pipe, can reduce the flow velocity of steam and change the flow direction of steam, increase steam and be positioned at the holdup time of surge drum, thereby improve its gas-liquid separation effect; And the inner of steam inlet pipe and the inner of steam outlet pipe are respectively towards different directions, can reduce the flow velocity of steam, improve the ability of this liquid reservoir gas-liquid separation, thereby avoid liquid, along with steam enters compressor, compressor is caused to liquid hammer.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, described surge drum comprises cylindrical shell, left end socket and right end socket, and described left end socket and right end socket are respectively with the left end of described cylindrical shell with right-hand member is connected mutually and three's combination surrounds described inner chamber.Be designed with after left end socket and right end socket, can meet installation and the sealing of surge drum integral body.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, described steam inlet pipe is near described right end socket, and the inner of described steam inlet pipe is towards described right end socket, and the outer end of described steam inlet pipe extends to outside this surge drum along the short transverse of described surge drum.The inner of steam inlet pipe is towards right end socket, and air flow stream just can be returned and enter in steam outlet pipe to meeting with obstruction after right end socket, and as above design has increased the stroke of steam, reduces the flow velocity of steam, thereby has improved the gas-liquid separation effect of this liquid reservoir.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, as a kind of scheme, described steam outlet pipe is near described left end socket, and the inner of described steam outlet pipe is towards described left end socket, and the outer end of described steam outlet pipe extends to outside this surge drum along the short transverse of described surge drum.The inner of steam outlet pipe is towards left end socket, and steam meets with obstruction from flowing to right end socket after steam inlet pipe flows into, and then changed course flow to left end socket place and meets with obstruction, finally just enter in steam outlet pipe, increase greatly the stroke of steam, reduced the flow velocity of steam, improved the gas-liquid separation effect of this liquid reservoir.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, as another kind of scheme, the top of described cylindrical shell is provided with the storage drum with described intracavity inter-connection, described storage drum and steam outlet pipe are all near described left end socket, the inner of described steam outlet pipe is positioned at described storage drum, and the outer end of described steam outlet pipe extends to outside described surge drum.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, as a kind of scheme, the bottom of described cylindrical shell is provided with drain pipe and the drain line with described intracavity inter-connection, the inner of described drain pipe and the inner of drain line are all arranged in the height that is greater than the latter to described inner chamber and the former height, and the outer end of described drain pipe and the outer end of drain line all extend to outside described cylindrical shell.The height of drain pipe is greater than the height of drain line, can avoid the lubricating oil of reservoir bottom by drain pipe, to enter evaporimeter with ammoniacal liquor, improves the heat transfer property of evaporimeter.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, as another kind of scheme, described liquid reservoir also comprises oil storage bag, drain line and drain pipe, the upper end of described oil storage bag be fixed on described cylindrical shell bottom and with described intracavity inter-connection, described drain line is fixed on the lower end of described oil storage bag and is connected with this oil storage bag, and described drain pipe is fixed on the sidewall of described oil storage bag and is connected with this oil storage bag.Be designed with after oil storage bag, the oil storage performance that can improve this liquid reservoir drain line is designed in the lower end of oil storage bag, and drain pipe designs on the sidewall of oil storage bag simultaneously, can avoid equally the lubricating oil of reservoir bottom by drain pipe, to enter evaporimeter with ammoniacal liquor, improve the heat transfer property of evaporimeter.
In the horizontal liquid reservoir of using in above-mentioned a kind of refrigeration system, on the sidewall of described cylindrical shell, be provided with the feed tube with described intracavity inter-connection.
Compared with prior art, the utlity model has following advantage:
1, the steam inlet pipe in the application and steam outlet pipe are bend pipe, can reduce the flow velocity of steam and change the flow direction of steam, increase steam and are positioned at the holdup time of surge drum, thereby improve its gas-liquid separation effect;
2, steam inlet pipe the inner towards with steam outlet pipe the inner towards intersecting or in opposite directions, directly to enter steam outlet pipe for fear of steam out in steam inlet pipe equally, reduce the flow velocity of steam, improve the ability of this liquid reservoir gas-liquid separation, thereby avoid liquid, along with steam enters compressor, compressor is caused to liquid hammer;
3, the height of drain pipe is greater than the height of drain line, can avoid the lubricating oil of reservoir bottom by drain pipe, to enter evaporimeter with ammoniacal liquor, improves the heat transfer property of evaporimeter.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-:
As shown in Figure 1, this liquid reservoir comprises the surge drum 1 that along continuous straight runs arranges, and offers inner chamber 11, specifically in surge drum 1, surge drum 1 comprises cylindrical shell 12, left end socket 13 and right end socket 14, the inner chamber 11 that left end socket 13 and right end socket 14 are connected mutually and form with left end and the right-hand member of cylindrical shell 12 respectively.On the sidewall of cylindrical shell 12, be provided with the feed tube 7 being connected with inner chamber 11.
As shown in Figure 1, on the sidewall of surge drum 1, be provided with the steam inlet pipe 2 and the steam outlet pipe 3 that are connected with inner chamber 11, steam inlet pipe 2 and steam outlet pipe 3 are bend pipe, the inner of the inner of steam inlet pipe 2 and steam outlet pipe 3 is all arranged in inner chamber 11, the inner of the inner of steam inlet pipe 2 and steam outlet pipe 3 is respectively towards different directions, and the outer end of the outer end of steam inlet pipe 2 and steam outlet pipe 3 all extends to outside surge drum 1.In the present embodiment, steam inlet pipe 2 is near right end socket 14, and the inner of steam inlet pipe 2 is towards right end socket 14, and the outer end of steam inlet pipe 2 extends to outside this surge drum 1 along the short transverse of surge drum 1.Steam outlet pipe 3 is near left end socket 13, and the inner of steam outlet pipe 3 is towards left end socket 13, and the outer end of steam outlet pipe 3 extends to outside this surge drum 1 along the short transverse of surge drum 1.
As shown in Figure 1, the bottom of cylindrical shell 12 is provided with drain pipe 4 and the drain line 5 being connected with inner chamber 11, the inner of the inner of drain pipe 4 and drain line 5 is all arranged in the height that is greater than the latter to inner chamber 11 and the former height, and the outer end of the outer end of drain pipe 4 and drain line 5 all extends to outside cylindrical shell 12.
Operation principle of the present utility model is as follows: the steam inlet pipe of this horizontal liquid reservoir is connected with evaporimeter muffler, this steam outlet pipe of horizontal liquid reservoir and the air entry of compressor are connected, the steam flowing out from evaporimeter enters inner chamber through steam inlet pipe successively, flow on right end socket and meet with obstruction, then end socket place meets with obstruction after flowing left, finally turn back and flow in steam outlet pipe, steam generation repeatedly turns to and slows down, can increase the holdup time of steam in surge drum, thereby improve the gas-liquid separation effect of this liquid reservoir.
Embodiment bis-:
As shown in Figure 2, the present embodiment and embodiment mono-are roughly the same, difference is, in the present embodiment, the top of cylindrical shell 12 is provided with the storage drum 15 being connected with inner chamber 11, storage drum 15 and steam outlet pipe 3 are all near left end socket 13, and the inner of steam outlet pipe 3 is positioned at storage drum 15, and the outer end of steam outlet pipe 3 extends to outside surge drum 1.As preferably, steam outlet pipe 3 the inners towards with steam inlet pipe 2 the inners towards perpendicular.
As shown in Figure 2, this liquid reservoir also comprises oil storage bag 6, drain line 5 and drain pipe 4, the upper end of oil storage bag 6 is fixed on the bottom of cylindrical shell 12 and is connected with inner chamber 11, drain line 5 is fixed on the lower end of oil storage bag 6 and is connected with this oil storage bag 6, and drain pipe 4 is fixed on the sidewall of oil storage bag 6 and is connected with this oil storage bag 6.As preferably, drain pipe 4 has two and being circumferentially uniformly distributed along oil storage bag 6.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.