36results about How to "Improve oil separation efficiency" patented technology

A low-temp throttle refrigerator with switchable gas tank and mixed working medium is composed of refrigerating compressor, switchable gas tank with high-and low-pressure electromagnetic valves, oil-gas separator, and fine oil-gas separator containing fibrous filtering core. Its advantages are high reliability and safety, high oil separating efficiency, and long service life.

The invention discloses a condenser and a refrigeration system. The condenser comprises a shell, a condensation tube bundle and an oil separation device. The oil separation device comprises an inner separation plate and an oil separation structure. The shell is divided by the inner separation plate into a condensation chamber and an oil separation chamber located above the condensation chamber. The condensation tube bundle is arranged in the condensation chamber in the front-back direction. The shell is provided with a refrigerant inlet communicated with the oil separation chamber and a refrigerant outlet communicated with the condensation chamber. The oil separation structure comprises a baffle plate, a filtering screen, a refrigerant communicating opening and an oil return opening, and the baffle plate and the filtering screen are arranged in the oil separation chamber. A refrigerant enters the oil separation chamber through the refrigerant inlet and sequentially passes through the baffle plate and the filtering screen, oil in the refrigerant is separated, and the separated refrigerant enters the condensation chamber through the refrigerant communicating opening to be condensed; and the condensed refrigerant flows out of the refrigerant outlet, and separated oil liquid flows out of the oil separation chamber through the oil return opening. According to the condenser and the refrigeration system, the oil separation efficiency of the refrigerant is high.

The oil mist separator separates oil from blow-by gas which flows through a gas flow passage. A chamber, which is partitioned from the gas flow passage including a gas introduction port, is provided between a cylinder head cover and a baffle plate. A first guide wall, which extends with a downward inclination toward the chamber so as to cover the gas introduction port and the chamber, is provided above the gas introduction port and the chamber. A drain hole for discharging the oil within the chamber is formed in the baffle plate.

The invention discloses an oil separating barrel, a screw compressor and an air conditioner. The oil separation tank includes: a barrel body with an exhaust port; a primary oil separation filter installed in the barrel body, and a first cavity is formed between the primary oil separation filter screen and the end of the barrel body; an exhaust pipe is located in the barrel Inside the body, and one end of the exhaust pipe passes through the primary oil filter and enters the first cavity; the secondary oil filter is installed at the exhaust port. The invention improves the oil separation efficiency through secondary filtration, increases the oil separation efficiency of the compressor itself, maintains the oil circulation stability of the compressor, reduces the load of the unit on returning oil to the compressor, and has the characteristics of simple structure and low cost .

The present invention discloses an oil separator of air conditioner. It includes external shell which is used for forming appearance, refrigerant discharge tube which is extended into the interior of external shell, one side of said refrigerant discharge tube is equipped with an oil-separating fan, the oil-separating fan is set in the interior of external shell, and can be rotated to produce vortex flow, the refrigerant in the external shell interior can be passed through the refrigerant discharge tube and discharged, the side face of the external shell is equipped with refrigerant supply tube, said refrigerant supply tube can supply refrigerant to the interior of the external shell, the oil-separating fan can be rotated by utilizing refrigerant discharged from refrigerant supply tube so as to separate the lubricating oil from refrigerant.

The invention discloses a three-stage separated efficient horizontal type oil distribution device which comprises multiple screw compressors. Each screw compressor is connected with an inlet of a horizontal type oil separator through an exhaust branch, an outlet of the horizontal type oil separator is connected with an inlet of a condenser through a pipe, an outlet of the condenser 3 is connected with a low-pressure circulating bucket through a pipe, a throttle valve is arranged between the condenser and the low-pressure circulating bucket, the bottom of the low-pressure circulating bucket is connected with an evaporator through a fluorine pump, an outlet of the evaporator is connected with the low-pressure circulating bucket through a pipe, and a return air pipe of the low-pressure circulating bucket is connected with the compressors. The three-stage separated efficient horizontal type oil distribution device has the advantages of improving the oil distribution efficiency, achieving 10 PPM, effectively decreasing frozen oil entering a low-pressure system and accordingly improving the working efficiency of a parallelly connected compressor unit.

The invention discloses an exhaust structure of a compressor and the compressor. The exhaust structure of the compressor comprises an oil separation filter net (1), an oil separation barrel (2) and anexhaust pipe (3); and the exhaust pipe (3) extends into a cavity formed by the oil separation filter net (1) and the oil separation barrel (2), and is upwards bent in the cavity. The exhaust structure of the compressor can prevent refrigerant gas, exhausted by the exhaust pipe, from sweeping bottom oil drops to improve the oil separation efficiency.

The invention discloses a rotation compressor. The rotation compressor comprises a shell, a compression mechanism, a motor assembly and an oil separation assembly. The shell is provided with an exhaust port. The compression mechanism is arranged in the shell and provided with a compression cavity. The motor assembly is arranged in the shell and comprises a rotor and a stator. The motor assembly is located between the compression mechanism and the exhaust port, and an exhaust channel is defined jointly by the motor assembly and the compression mechanism. One end of the exhaust channel is communicated with the compression cavity, and the other end of the exhaust channel is communicated with the exhaust port. The oil separation assembly is arranged in the exhaust channel and provided with a fluid collision face suitable for being impacted by fluid in the exhaust channel. According to the rotation compressor, the possibility that refrigerating machine oil in the rotation compressor enters a heat exchanger can be reduced, the heat exchange capability of the heat exchanger is guaranteed, and the heat exchange efficiency is improved. Meanwhile, the phenomenon that abrasion is increased due to the fact that the interior of the rotation compressor is lack of refrigerating machine oil can be prevented, and therefore the performance of the compressor is guaranteed, and reliability of working of the compressor is improved.

The invention relate to an exhaust bearing block, a screw compressor and an air conditioning unit, wherein the exhaust bearing block comprises an exhaust cavity, an exhaust hole is formed in the exhaust cavity, the exhaust cavity is configured to have a plurality of turning structures, exhaust air flow can change directions for a plurality of times in the exhaust cavity, and finally is exhausted from the exhaust hole, the opening of the exhaust hole is designed in such a way that under the condition that the exhaust bearing block is covered by a shell, gas exhausted from the exhaust hole has components flowing in a rotating manner along the inner wall of the shell and around the axis of the shell. The exhaust bearing block can play the role of improving the oil separation efficiency from multiple aspects, including centrifugal effect, uniform flow field, impacting separation and the like.

An oil separator includes a container having an inner circumferential surface of a cylindrical shape; an inlet pipe that penetrates through from an outside of the container to an inside of the container, comprises an inlet port through which the oil-containing refrigerant is introduced to the container; and a refrigerant discharge pipe that is provided coaxially with a central axis of the container in a top of the container, projects from the top of the container toward a bottom of the container, and comprises a discharge port which is disposed below the inlet port and allows oil removed refrigerant to be discharged. The oil-containing refrigerant flowing out of the inlet port of the inlet pipe is not branched by the refrigerant discharge pipe, and forms a single flow flowing in one direction along an outer circumferential surface of the refrigerant discharge pipe and the inner circumferential surface of the container.

The invention provides an integrated oil distribution system with pipelines in a pump room being centralized. The integrated oil distribution system comprises a horizontal oil distribution plate whichis arranged in the pump room and a storage tank for storing oil which is arranged on the oil distribution plate; the storage tank is arranged at the periphery of the oil distribution plate and is connected with oil supply equipment outside the oil distribution plate through external connection pipelines; an oil pump is arranged on the oil distribution plate; the oil inlet end of the oil pump is connected with the storage tank through an adapter pipe fitting; the oil outlet end of the oil pump is connected with oil outlet equipment of the pump room through the external connection pipelines; the oil distribution plate is internally provided with embedded pipe fittings; and connecting joints for connecting with the adapter pipe fitting are arranged at the two ends of the embedded pipe fittings. By concentrating the external connection pipelines on the oil distribution plate, the problem of winding and pollution caused by a too long hose in a hose oil distribution system is solved, and the safety and reliability of the oil distribution system are improved.

The invention relates to an oil separator barrel, a screw compressor and an air conditioner, wherein the oil separator barrel includes an end cover, an oil filter screen arranged in the oil separator barrel, and a separation cavity formed between the oil filter screen and the end cover, and the separation cavity is close to One side of the oil filter screen is provided with a guide ring, which is used to guide the gas discharged from the exhaust pipe of the compressor to the oil filter screen. The oil separator barrel is equipped with a guide ring on the side close to the oil filter screen in the separation chamber. On the one hand, the guide ring can make the mixed gas of the refrigerant and the refrigerating oil more uniform, and on the other hand, it can promote the flow direction of the mixed gas that should flow along the inner wall of the oil separator barrel. The central position of the oil separation barrel improves the efficiency of oil separation.

The invention discloses a multifunctional integrated oil-mud-water separation device, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a device shell, and the interior of the device shell is fixedly connected with an oil separation tank. The device shell is arranged, the oil separation tank is arranged in the device shell, a piston is slidably connected to the inner side of the oil separation tank, sewage in the oil separation tank is centrifuged through a centrifugal rotating disc on the inner side of the piston, collection of oil in the sewage is accelerated, and finally the oil enters the oil separation tank through an oil discharge pipe under pushing of the piston, so that separation of an oil layer is accelerated, and the oil separation efficiency is improved; and an electric valve is arranged, after the oil layer is separated, the electric valve at the bottom end of a blow-off pipe is opened, sewage obtained after oil separation in the oil separation tank enters a mud-water separation box through a blow-off hose and a connecting pipe, mud and water are separated through a filter pressing membrane plate in the mud-water separation box, and then the mud-water separation effect is achieved.

The invention discloses a compressor and refrigeration equipment. The compressor comprises a pump body assembly, a silencer and an oil separation structure, wherein the pump body assembly is provided with an exhaust port, the silencer covers the exhaust port and is provided with a discharge port, the oil separation structure covers the air outlet side of the discharge port and forms a containing cavity, the oil separation structure is provided with an exhaust channel and a filtering piece located in the exhaust channel, an oil discharge channel is arranged at the joint of the silencer or the pump body assembly and the oil separation structure, and the oil discharge channel communicates with the containing cavity and the interior of a shell of the compressor. According to the compressor and the refrigeration equipment, the oil separation structure is arranged, a mixture discharged from the discharge port is diffused into the containing cavity and is discharged out of the oil separation structure after passing through the filtering piece of the exhaust channel, so that refrigeration oil and a gaseous refrigerant in the mixture are effectively separated, moreover, the refrigeration oil separated in the containing cavity can flow back to the joint under the action of gravity and flows back to an oil pool of the compressor through the oil discharge channel in time, so that the backflow speed of the refrigeration oil is increased, and the operation reliability of the compressor is improved.

The invention relates to a precise oil-gas separation device and application of the precise oil-gas separation device in a screw-type compressor. The precise oil-gas separation device comprises an upper cover, a barrel body and a filtering core, wherein the upper cover is provided with an air inlet and an air inlet channel which are isolated from each other as well as an air outlet and an air outlet channel which are isolated from each other; the filtering core is hollowly tubular; a condensation fiber net is arranged on the inner wall/outer wall of the hollowly tubular filtering core; a foldable type filtering layer is clamped between the inner wall and the outer wall of the hollowly tubular filtering core; the upper cover is connected with the barrel body through threads; the filtering core is positioned between the upper cover and the barrel body; the bottom of the filtering core is positioned on an oil outlet seat at the bottom of the barrel body; a pipe neck of the filtering core is sleeved on a vertical downward section of the air inlet channel of the upper cover. The precise oil-gas separation device has the advantages that (1) the oil separation rate of the precise oil-gas separation device can reach 99.74% to 99.99%, so that the oil separation efficiency is high and the investment cost of user equipment is lowered; (2) the oil content of compressed air discharged from the screw-type compressor on which the precise oil-gas separation device is mounted is commonly decreased from 3PPM/M<3> to a range within 0.001PPM/M<3> to 0.002PPM/M<3>. Thus, the screw-type compressor can be used for replacing an oilless compressor or is directly used as a low-pressure compressor.