CN217464933U - Screw rod refrigeration compressor waste heat recovery energy-saving equipment - Google Patents
Screw rod refrigeration compressor waste heat recovery energy-saving equipment Download PDFInfo
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- CN217464933U CN217464933U CN202221089311.6U CN202221089311U CN217464933U CN 217464933 U CN217464933 U CN 217464933U CN 202221089311 U CN202221089311 U CN 202221089311U CN 217464933 U CN217464933 U CN 217464933U
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Abstract
The utility model discloses a screw rod compressor waste heat recovery economizer, include: the inner side of the horizontal oil-gas separator is provided with a heat exchange structure and a filtering structure; the heat exchange structure comprises: the device comprises a sine wave-shaped heat exchange device fixing flange, a horizontal oil-gas separator flange, a plurality of sine wave-shaped plate pipe pieces and a cooling medium flow direction regulating chamber; the utility model relates to a screw rod refrigeration compressor technical field sets up the heat exchanger in the horizontal oil and gas separator, through carry the refrigerant in the heat exchanger so that the refrigerant carries out the heat transfer with overheated lubricating oil and overheated refrigerant simultaneously, can effectively cool down overheated lubricating oil and overheated refrigerant in the oil and gas separator to effectively reduce the operation energy consumption of condenser, and effectively increased the operating efficiency of compressor.
Description
Technical Field
The utility model relates to a screw rod compressor technical field specifically is a screw rod compressor waste heat recovery economizer.
Background
The basic flow of the lubricating oil cooling, air suction and air exhaust of the domestic existing screw refrigerating compressor is as follows:
(1) the basic flow of cooling the lubricating oil of the screw refrigerating compressor is as follows: starting a motor to drive an oil pump, and stopping the oil pump and the motor when the pressure difference between the exhaust pressure and the suction pressure of the unit meets the requirement, and supplying oil by means of the pressure difference; pumping lubricating oil from an oil cooler into a lubricating oil distribution pipeline through a filter to seal the running of a screw rotor of a compressor and a gap of a sealing rotor, simultaneously carrying out oil injection lubrication on a bearing of the rotor, increasing the extrusion heating temperature of the lubricating oil in the working volume of the rotor of the compressor, increasing the temperature of the lubricating oil in the bearing of the rotor, discharging high-temperature lubricating oil into a horizontal oil-gas separator under the action of the exhaust pressure of the compressor to separate overheated refrigerant and oil, enabling the lubricating oil to enter the oil cooler after passing through the filter, enabling an auxiliary liquid reservoir to enter liquid refrigerant ammonia or fluorine from an inlet, and enabling evaporated gas to enter the auxiliary liquid reservoir; the other path of lubricating oil enters the energy control slide valve, and the lubricating oil is subjected to load shedding or load increasing after being distributed; the capacity range of the screw compressor is controlled to be 10% -100%, so that the volume ratio in the screw compressor is adjusted according to different evaporation temperatures, and therefore the optimal discharge pressure is obtained and the maximum efficiency is kept. (2) The basic flow of the suction of the screw refrigerating compressor is as follows: the screw compressor sucks gaseous ammonia gas formed by evaporation of the liquid ammonia pumped into the evaporator from the low-pressure circulating barrel through the suction filter. (3) The basic process of the screw refrigerating compressor exhaust is as follows: the superheated refrigerant separated in the horizontal oil-gas separator enters a condenser to be converted into liquid refrigerant, and the liquid refrigerant flows into a liquid receiver through gravity. The technology has the obvious disadvantages that the oil temperature of the unit is high in summer and easily exceeds a preset value, the exhaust temperature of the compressor is high, the condenser runs with high energy consumption, and the temperature of the liquid refrigerant in the liquid receiver is high; under the circumstances, the compressor often needs to be unloaded, so that the operation efficiency of the compressor is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a screw rod compressor waste heat recovery economizer has solved current partial background technical problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a screw rod refrigeration compressor waste heat recovery energy-saving device comprises: the inner side of the horizontal oil-gas separator is provided with a heat exchange structure and a filtering structure;
the heat exchange structure comprises: the device comprises a sine wave-shaped heat exchange device fixing flange, a horizontal oil-gas separator flange, a plurality of sine wave-shaped plate pipe pieces and a cooling medium flow direction regulating chamber;
sine wave form heat exchange device mounting flange install in on the horizontal oil and gas separator flange, horizontal oil and gas separator flange install in on the horizontal oil and gas separator, the cooling medium flow is transferred to the room install in the inboard of horizontal oil and gas separator, a plurality of sine wave form plate section of jurisdiction both sides install respectively in horizontal oil and gas separator flange and the cooling medium flow is transferred to on the room.
Preferably, the filter structure comprises: the filter, the exhaust interface and the oil outlet;
the filter is installed on the inner side of the horizontal oil-gas separator, the exhaust interface is installed at the top end of the horizontal oil-gas separator, and the oil outlet is installed at the bottom end of the horizontal oil-gas separator.
Preferably, a cold-side medium inlet port is arranged on the fixing flange of the sine wave heat exchange device.
Preferably, the sine wave heat exchange device fixing flange is provided with an air inlet.
Preferably, a cooling medium outlet is arranged on the fixing flange of the sine wave heat exchange device.
Preferably, the sine wave-shaped heat exchange device fixing flange and the horizontal oil-gas separator flange are provided with medium inlet and outlet isolation plates.
The utility model provides a screw rod compressor waste heat recovery economizer. The method has the following beneficial effects: according to the waste heat recovery energy-saving equipment of the screw refrigerating compressor, the heat exchanger is arranged in the horizontal oil-gas separator, the refrigerant is conveyed in the heat exchanger to exchange heat with the superheated lubricating oil and the superheated refrigerant at the same time, the superheated lubricating oil and the superheated refrigerant in the oil-gas separator can be effectively cooled, so that the operation energy consumption of the condenser is effectively reduced, and the operation efficiency of the compressor is effectively increased.
Drawings
Fig. 1 is the utility model discloses a screw compressor waste heat recovery economizer's front view cross-sectional schematic diagram.
Fig. 2 is the utility model relates to a screw rod compressor waste heat recovery economizer's side view schematic section view.
Fig. 3 is the utility model discloses a sinusoidal wave shaped plate section of jurisdiction schematic diagram of screw compressor waste heat recovery economizer.
In the figure: 100. a cold side medium inlet port; 101. a fixing flange of the sine wave heat exchange device; 102. A horizontal oil-gas separator flange; 103. a high-temperature ammonia gas or high-temperature fluorine gas inlet; 104. a sine wave shaped plate segment; 105. a cooling medium flow direction adjusting chamber; 106. a filter; 107. an ammonia or fluorine gas exhaust interface; 108. a horizontal oil-gas separator; 109. an oil outlet; 110. a media access barrier; 111. And a cooling medium outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1-3, a heat exchange structure and a filtering structure are installed inside the horizontal oil-gas separator 108;
specifically, the heat exchange structure includes: the device comprises a sine wave-shaped heat exchange device fixing flange 101, a horizontal oil-gas separator flange 102, a plurality of sine wave-shaped plate pipe pieces 104 and a cooling medium flowing direction regulating chamber 105;
specifically, the sine wave-shaped heat exchange device fixing flange 101 is mounted on the horizontal oil-gas separator flange 102, the horizontal oil-gas separator flange 102 is mounted on the horizontal oil-gas separator 108, the cooling medium flow direction adjusting chamber 105 is mounted inside the horizontal oil-gas separator 108, and two sides of the sine wave-shaped plate tube pieces 104 are respectively mounted on the horizontal oil-gas separator flange 102 and the cooling medium flow direction adjusting chamber 105.
In the above, the sine wave heat exchanger unit is composed of a plurality of sine wave plates, the outside of the sine wave heat exchanger unit is connected with steel pipes, and the steel pipes are welded to the external sine wave heat exchanger unit fixing flange 101 and the horizontal oil-gas separator flange 102; the characteristics of small smooth transition flow resistance of sine wave shape, large heat exchange area, temperature resistance of 500 ℃ and pressure resistance of 6.3MPa are fully utilized; the fluid is easy to form turbulent flow and complex three-dimensional flow in the flowing process, the heat transfer coefficient is high, a sine wave heat exchange device is additionally provided with a shell, a cold side inlet and a hot side outlet are designed according to requirements and can be used as a heat exchange device for high-temperature ammonia gas and high-temperature fluorine gas, the heat exchange device is submerged in high-temperature lubricating oil and the high-temperature ammonia gas or the high-temperature fluorine gas, a cold side medium enters from a port, the medium is discharged from a cooling medium outlet 111 after being heated to a certain temperature after passing through the heat exchange device, the temperature of the high-temperature lubricating oil and the high-temperature ammonia gas or the high-temperature fluorine gas in the horizontal separator is cooled to a certain temperature, and the sine wave heat exchange device is also suitable for the vertical oil separator.
Preferably, the filter structure further comprises: filter 106, exhaust interface and outlet 109;
the filter 106 is installed inside the horizontal oil-gas separator 108, the exhaust port is installed at the top end of the horizontal oil-gas separator 108, and the oil outlet 109 is installed at the bottom end of the horizontal oil-gas separator 108.
Preferably, the sine wave heat exchange device fixing flange 101 is provided with a cold-side medium inlet port 100.
Preferably, the sine wave heat exchange device fixing flange 101 is provided with an air inlet.
Preferably, the sine wave-shaped heat exchange device fixing flange 101 is provided with a cooling medium outlet 111.
Preferably, medium inlet and outlet isolation plates are arranged on the sine wave-shaped heat exchange device fixing flange 101 and the horizontal type oil-gas separator flange 102.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A screw rod refrigeration compressor waste heat recovery energy-saving device comprises: the horizontal oil-gas separator is characterized in that a heat exchange structure and a filtering structure are mounted on the inner side of the horizontal oil-gas separator;
the heat exchange structure comprises: the device comprises a sine wave-shaped heat exchange device fixing flange, a horizontal oil-gas separator flange, a plurality of sine wave-shaped plate pipe pieces and a cooling medium flow direction regulating chamber;
sine wave form heat exchange device mounting flange install in on the horizontal oil and gas separator flange, horizontal oil and gas separator flange install in on the horizontal oil and gas separator, the cooling medium flow is transferred to the room install in the inboard of horizontal oil and gas separator, a plurality of sine wave form plate section of jurisdiction both sides install respectively in horizontal oil and gas separator flange and the cooling medium flow is transferred to on the room.
2. The screw refrigerating compressor waste heat recovery energy-saving device according to claim 1, wherein the filtering structure comprises: the filter, the exhaust interface and the oil outlet;
the filter is installed on the inner side of the horizontal oil-gas separator, the exhaust interface is installed at the top end of the horizontal oil-gas separator, and the oil outlet is installed at the bottom end of the horizontal oil-gas separator.
3. The screw refrigerating compressor waste heat recovery energy-saving device according to claim 1, wherein the sine wave heat exchange device fixing flange is provided with a cold-side medium inlet port.
4. The screw refrigerating compressor waste heat recovery energy-saving device according to claim 1, wherein the sine wave heat exchange device fixing flange is provided with an air inlet.
5. The screw refrigerating compressor waste heat recovery energy-saving device according to claim 1, wherein the sine wave heat exchange device fixing flange is provided with a cooling medium outlet.
6. The screw refrigerating compressor waste heat recovery energy-saving device according to claim 1, wherein the sine wave heat exchange device fixing flange and the horizontal oil-gas separator flange are provided with medium inlet and outlet isolation plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221089311.6U CN217464933U (en) | 2022-05-07 | 2022-05-07 | Screw rod refrigeration compressor waste heat recovery energy-saving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221089311.6U CN217464933U (en) | 2022-05-07 | 2022-05-07 | Screw rod refrigeration compressor waste heat recovery energy-saving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217464933U true CN217464933U (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221089311.6U Active CN217464933U (en) | 2022-05-07 | 2022-05-07 | Screw rod refrigeration compressor waste heat recovery energy-saving equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217464933U (en) |
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2022
- 2022-05-07 CN CN202221089311.6U patent/CN217464933U/en active Active
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