CN217715546U

CN217715546U - Multiple-packing type secondary oil separator for screw compressor

Info

Publication number: CN217715546U
Application number: CN202220445196.5U
Authority: CN
Inventors: 张博
Original assignee: Taizhou Jingtian Environmental Protection Technology Co ltd
Current assignee: Shaanxi Borui Energy Equipment Co ltd
Priority date: 2021-12-22
Filing date: 2022-03-03
Publication date: 2022-11-01
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a multiple filler formula secondary oil separator for screw compressor, jar at the bottom of barrel shell and barrel, the installation of barrel shell is fixed on the upper end position of jar at the bottom of the barrel, the barrel shell is taken over because of the right business turn over of right-hand member, be convenient for like this to discharge the highly compressed refrigerant gas of high temperature inboard, thereby through export stuffing box subassembly, the vaporific cooling oil that will be used for lubricating cooling screw compressor rotor separates like this, accomplish first oil-gas separation, increase through barrel shell diameter, thereby the gas flow rate reduces, make the great oil grain of granule fall the separation in the inboard last filler of upper grid, accomplish the second oil-gas separation like this, then gaseous in carrying the inboard online silk defroster of upper cover, carry out the third separation, when taking over into through going up, the principle is the same, take over discharge in the right business turn over through the cubic oil-gas separation, accomplish whole oil-gas separation's process.

Description

Multiple-packing type secondary oil separator for screw compressor

Technical Field

The utility model relates to a freon refrigeration unit technical field, concretely relates to multiple filler formula secondary oil separator for screw compressor.

Background

On a Freon refrigerating unit, when a screw compressor with a built-in oil separator is matched with a conventional secondary oil separator, because the return oil cooling modes of the secondary oil separator are different, the inlet and the outlet of oil are difficult to unify when a pipeline is installed. For example, with the siphon oil cooling structure, the oil needs to be introduced from the side surface of the oil cylinder and discharged from the top of the oil. However, the oil cooling structure using air-cooled oil or water-cooled oil requires the oil to enter from the top and to be discharged from the side. Therefore, the installation can not be unified, and the pipe arrangement on site is inconvenient.

The traditional secondary oil separator adopts centrifugal filtration, utilizes the flow velocity of the exhaust gas of the compressor to carry out centrifugal separation, and separates mist oil particles in gaseous refrigerant, the refrigeration efficiency completely depends on the discharge capacity of the compressor, and when the refrigeration working condition is changed, the requirement of oil separation efficiency cannot be met.

Therefore, there is a need to provide a multi-packing type secondary oil separator for a screw compressor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple filler formula secondary oil separator for screw compressor to solve the current secondary oil separator who proposes in the above-mentioned background art and be not very efficient problem when the separation utilizes.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multiple filler formula secondary oil separator for screw compressor, includes barrel shell and barrel end jar, the barrel shell installation is fixed on the upper end position of barrel end jar, be provided with the oil return interface in the middle of the lower extreme of barrel end jar, the outside of oil return interface is located and is provided with the support base on the barrel end jar, the right-hand member inboard of barrel shell is provided with export stuffing box subassembly, the outside of export stuffing box subassembly is located and is provided with right business turn over takeover on the barrel shell, be provided with the upper exit takeover in the middle of the upper end of barrel shell, the left side that goes up the takeover is located and is provided with the relief valve interface on the barrel shell, the right side that goes up the business turn over takeover is located and is provided with the service valve interface on the barrel shell, the inboard that goes up the takeover is located inside the barrel shell and is provided with the net silk defroster, the outside of going up the net silk defroster is located and is provided with the filler on the barrel shell, the outside of going up the filler is located and is provided with the grid on the barrel shell.

The outlet stuffing box assembly comprises a silencing baffle, a right wire mesh demister, a stuffing box sleeve and a right grid, the bottom end of the stuffing box sleeve is provided with the silencing baffle, the right wire mesh demister is arranged inside the stuffing box sleeve and the silencing baffle, the right grid is arranged above the right wire mesh demister on the stuffing box sleeve, and the stuffing box sleeve is mounted and connected on the barrel shell.

The silencing baffle comprises a baffle shell and a silencing slotted hole, the silencing slotted hole is formed in the right side of the inside of the baffle shell, and the baffle shell is installed and connected to the stuffing box sleeve.

The right grid comprises an inner side grid rod, a metal outer ring and grid gaps, the inner side of the metal outer ring is provided with a plurality of inner side grid rods, the grid gaps are arranged between the metal outer ring and the inner side grid rods, and the metal outer ring is installed and connected on the stuffing box sleeve.

The stuffing box sleeve comprises an outer side slotted hole, a sleeve shell and an inner containing cavity, wherein the inner sides of two ends of the sleeve shell are provided with the outer side slotted hole, the inner containing cavity is arranged in the sleeve shell, and the sleeve shell is installed and connected on the barrel shell.

The upper grids are arranged in two numbers, and the upper grids are symmetrically fixed on the outer sides of two ends of the upper filler.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

1. the utility model discloses in, barrel shell is taken over because of the right side business turn over of right-hand member, be convenient for like this with the highly compressed refrigerant gas of high temperature to be discharged into the inboard, thereby through export packing box subassembly, like this will be used for the vaporific cooling oil separation of lubricated cooling screw compressor rotor to come out, thereby carry barrel shell's inside, accomplish first oil-gas separation, get into the increase that inside gas passes through barrel shell diameter, thereby the gas flow rate reduces, make the great oil granule of granule drop the separation in the inboard last filler of upper grid, accomplish second oil-gas separation like this, then gas is in carrying the inboard last net twine defroster of upper cover, carry out the third time separation, can take over through last business turn over and get rid of the outside at last, and when the product takes over into through last business turn over, the principle is the same, take over the discharge in the right side business turn over through the cubic oil-gas separation, accomplish whole oil-gas separation's process.

2. The utility model discloses in, through being provided with amortization baffle structure, reduced the great noise that high temperature high pressure gas caused when getting into the product and separating for more suitable personnel work in the refrigeration computer lab.

3. The utility model discloses in, through the oil-gas separation of cubic, improved branch oil efficiency greatly for in the entering refrigerating system that the coolant oil is few as far as possible, improve refrigeration efficiency and reduce the energy consumption, reduce user's actual oiling volume reduce cost.

Drawings

FIG. 1 is a schematic cross-sectional view of a multi-packing type secondary oil separator for a screw compressor according to the present invention;

FIG. 2 is a schematic view of an outlet stuffing box assembly of a multiple-stuffing secondary oil separator for a screw compressor according to the present invention;

FIG. 3 is a schematic structural view of a multiple packing type secondary oil separator for a screw compressor according to the present invention;

FIG. 4 is a schematic structural view of a multiple packing type secondary oil separator for a screw compressor according to the present invention;

fig. 5 is a schematic structural view of a multiple packing type secondary oil separator for a screw compressor according to the present invention.

In the figure: 1. an upper inlet and outlet connecting pipe; 2. a safety valve interface; 3. a service valve interface; 4. an upper wire demister; 5. an upper end enclosure; 6. an upper grid; 7. filling; 8. a barrel housing; 9. a barrel bottom tank; 10. a support base; 11. an oil return interface; 12. an outlet stuffing box assembly; 121. a silencing baffle; 111. a baffle housing; 112. a silencing slot; 122. a right wire mesh demister; 123. a stuffing box sleeve; 131. an outer slot; 132. a sleeve housing; 133. an inner cavity; 124. a right grid; 141. an inner side fence rod; 142. a metal outer ring; 143. a grid gap; 13. and a right inlet and outlet connecting pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Example one

Referring to fig. 1 and 2, a multiple packing type secondary oil separator for a screw compressor comprises a cylinder shell 8 and a cylinder bottom tank 9, wherein the cylinder shell 8 is fixedly arranged at the upper end position of the cylinder bottom tank 9, an oil return interface 11 is arranged in the middle of the lower end of the cylinder bottom tank 9, a support base 10 is arranged on the cylinder bottom tank 9 at the outer side of the oil return interface 11, an outlet stuffing box assembly 12 is arranged at the inner side of the right end of the cylinder shell 8, a right inlet and outlet connecting pipe 13 is arranged on the cylinder shell 8 at the outer side of the outlet stuffing box assembly 12, an upper inlet and outlet connecting pipe 1 is arranged in the middle of the upper end of the cylinder shell 8, a safety valve interface 2 is arranged on the cylinder shell 8 at the left side of the upper inlet and outlet connecting pipe 1, an inspection valve interface 3 is arranged on the cylinder shell 8 at the right side of the upper inlet and outlet connecting pipe 1, an upper mesh demister 4 is arranged inside the cylinder shell 8 at the inner side of the upper inlet and outlet connecting pipe 1, the outer side of the upper wire demister 4 is positioned on the cylinder shell 8 and is provided with an upper end enclosure 5, the lower part of the upper wire demister 4 is positioned inside the cylinder shell 8 and is provided with an upper filler 7, the outer side of the upper filler 7 is positioned on the cylinder shell 8 and is provided with an upper grid 6, when in use, the cylinder shell 8 is conveniently and stably placed and used due to a support base 10 at the lower end, the cylinder shell 8 is conveniently discharged into the inner side due to a right inlet and outlet connecting pipe 13 at the right end, so that high-temperature and high-pressure refrigerant gas passes through an outlet filling box component 12, mist cooling oil for lubricating and cooling a screw compressor rotor is separated out and is conveyed into the cylinder shell 8, the first oil-gas separation is completed, the gas entering the inner part falls and is separated in the upper filler 7 at the inner side of the upper grid 6 due to the increase of the diameter of the cylinder shell 8, so that the gas flow rate is reduced, and oil particles with larger particles fall and are separated, accomplish the oil-gas separation of second time like this, then gas carries the separation of third time in carrying the last net twine defroster 4 of upper cover 5 inboard, can get rid of the outside through last business turn over takeover 1 at last, and when the product was taken in through last business turn over takeover 1, the principle is the same, takes over 13 discharge in the takeover through right business turn over through the separation of cubic oil-gas, accomplishes whole oil-gas separation's process, and the cooling oil that filters down returns the compressor through the oil return interface 11 of bottom and carries out the cooling lubrication repeatedly.

The utility model discloses in, export packing box subassembly 12 includes amortization baffle 121, right side silk screen defroster 122, packing box sleeve 123 and right grid 124, the bottom of packing box sleeve 123 is provided with amortization baffle 121, the inside of packing box sleeve 123 and amortization baffle 121 is provided with right screen defroster 122, the top of right side silk screen defroster 122 is located and is provided with right grid 124 on packing box sleeve 123, packing box sleeve 123 erection joint is on barrel shell 8, the packing box sleeve 123 welding erection joint of export packing box subassembly 12 is on barrel shell 8, packing box sleeve 123 is convenient for stably place the use like this, packing box sleeve 123 is because of blockking of amortization baffle 121, right side silk screen defroster 122 is convenient for stably place the use like this, thereby effective separation uses, and right side silk screen defroster 122 is because of the right grid 124 in the outside, effectively block like this, and because of the clearance of right grid 124, make gas be convenient for carry and carry separation processes in right side silk screen defroster 122.

The utility model discloses in, go up grid 6 and be provided with two altogether, and go up grid 6 symmetry and fix on the both ends outside at last filler 7, because of two go up grid 6 symmetries and fix on the both ends outside at last filler 7 to go up filler 7 and be convenient for stably place the use, and go up filler 7 and go up silk defroster 4 structure the same, the oil separation of being convenient for like this uses.

The working principle is as follows: when the device is used, the cylinder shell 8 is convenient to stably place and use due to the supporting base 10 at the lower end, the cylinder shell 8 is convenient to discharge high-temperature and high-pressure refrigerant gas into the inner side due to the right inlet and outlet connecting pipe 13 at the right end, the mist-shaped cooling oil for lubricating and cooling the rotor of the screw compressor is separated out due to the outlet stuffing box assembly 12 and then conveyed into the cylinder shell 8, first oil-gas separation is completed, the gas entering the inner part is subjected to diameter increase of the cylinder shell 8, the gas flow rate is reduced, oil particles with larger particles fall and are separated in the upper stuffing 7 on the inner side of the upper grid 6, second oil-gas separation is completed, then the gas is conveyed into the upper wire demister 4 on the inner side of the upper end enclosure 5 to be subjected to third separation, finally the gas can be discharged to the outer side through the upper connecting pipe inlet and outlet 1, when products enter through the upper inlet and outlet connecting pipe 1, the principle is the same, the filtered cooling oil is discharged from the right inlet and outlet connecting pipe 13 through the three oil-gas separation, the whole oil-gas separation process is completed, and the filtered cooling oil returns to the compressor through the oil return port 11 at the bottom to repeatedly perform cooling and lubricating.

Example two

Referring to fig. 2-5, in the present embodiment, compared with the first embodiment, a silencing baffle 121 includes a baffle housing 111 and a silencing slot 112, the right side inside the baffle housing 111 is provided with the silencing slot 112, the baffle housing 111 is mounted and connected on a stuffing box sleeve 123, the baffle housing 111 of the silencing baffle 121 is welded and mounted and connected on the stuffing box sleeve 123, so that the baffle housing 111 is convenient to stably place and use, and due to the silencing slot 112 inside the baffle housing 111, air noise is effectively reduced, so that noise pollution is effectively avoided when the oil separator is used.

The utility model discloses in, right grid 124 includes inboard grid railing 141, metal outer loop 142 and grid clearance 143, the inboard of metal outer loop 142 is provided with a plurality of inboard grid railings 141, be provided with grid clearance 143 between metal outer loop 142 and the inboard grid railing 141, metal outer loop 142 erection joint is on packing box sleeve 123, the metal outer loop 142 welding erection joint of right grid 124 is on packing box sleeve 123, metal outer loop 142 is convenient for stably place the use like this, because of the grid clearance 143 between metal outer loop 142 and the inboard grid railing 141, make the gas be convenient for carry mobile use.

The utility model discloses in, stuffing box sleeve 123 includes outside slotted hole 131, sleeve shell 132 and inside appearance chamber 133, sleeve shell 132's both ends inboard is provided with outside slotted hole 131, sleeve shell 132's inside is provided with inside appearance chamber 133, sleeve shell 132 erection joint is on barrel shell 8, the sleeve shell 132 welding erection joint of stuffing box sleeve 123 is on barrel shell 8, thereby sleeve shell 132 is convenient for stably place the use, sleeve shell 132 is because of the region of outside slotted hole 131, make the installation of being convenient for fixed, and sleeve shell 132 is because of the region of inside appearance chamber 133, like this noise reduction baffle 121, right side silk screen defroster 122 and right grid 124 are convenient for stably place the use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

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.

Claims

1. A multiple packing formula secondary oil separator for screw compressor, includes barrel shell (8) and barrel end tank (9), its characterized in that: the cylinder shell (8) is fixedly arranged at the upper end of the cylinder bottom tank (9), an oil return port (11) is arranged in the middle of the lower end of the cylinder bottom tank (9), a supporting base (10) is arranged on the outer side of the oil return port (11) and positioned on the bottom tank (9) of the cylinder body, an outlet stuffing box component (12) is arranged on the inner side of the right end of the cylinder shell (8), a right inlet and outlet connecting pipe (13) is arranged on the cylinder shell (8) at the outer side of the outlet stuffing box component (12), an upper inlet and outlet connecting pipe (1) is arranged in the middle of the upper end of the cylinder shell (8), the left side of the upper inlet and outlet connecting pipe (1) is positioned on the shell (8) of the cylinder body and is provided with a safety valve interface (2), the right side of the upper inlet and outlet connecting pipe (1) is positioned on the shell (8) of the cylinder body and is provided with a maintenance valve interface (3), an upper wire demister (4) is arranged at the inner side of the upper inlet and outlet connecting pipe (1) and inside the cylinder shell (8), an upper end enclosure (5) is arranged on the outer side of the upper wire demister (4) and positioned on the cylinder shell (8), an upper filler (7) is arranged below the upper wire demister (4) and inside the cylinder shell (8), an upper grid (6) is arranged on the outer side of the upper filler (7) and positioned on the cylinder shell (8).

2. The multi-packing secondary oil separator for a screw compressor of claim 1, wherein: export stuffing box subassembly (12) is including amortization baffle (121), right wire mesh defroster (122), stuffing box sleeve (123) and right grid (124), the bottom of stuffing box sleeve (123) is provided with amortization baffle (121), the inside of stuffing box sleeve (123) and amortization baffle (121) is provided with right wire mesh defroster (122), the top of right wire mesh defroster (122) is located and is provided with right grid (124) on stuffing box sleeve (123), stuffing box sleeve (123) erection joint is on barrel shell (8).

3. The multi-packing secondary oil separator for a screw compressor of claim 2, wherein: the silencing baffle (121) comprises a baffle shell (111) and a silencing slot hole (112), the silencing slot hole (112) is formed in the right side of the inner part of the baffle shell (111), and the baffle shell (111) is installed and connected to the stuffing box sleeve (123).

4. The multi-packed secondary oil separator for a screw compressor of claim 2, wherein: the right grid (124) comprises an inner side grid rail (141), a metal outer ring (142) and grid gaps (143), the inner side of the metal outer ring (142) is provided with a plurality of inner side grid rails (141), the grid gaps (143) are arranged between the metal outer ring (142) and the inner side grid rails (141), and the metal outer ring (142) is installed and connected on the stuffing box sleeve (123).

5. The multi-packing secondary oil separator for a screw compressor of claim 2, wherein: stuffing box sleeve (123) includes outside slotted hole (131), sleeve shell (132) and inside appearance chamber (133), the both ends inboard of sleeve shell (132) is provided with outside slotted hole (131), the inside of sleeve shell (132) is provided with inside appearance chamber (133), sleeve shell (132) erection joint is on barrel shell (8).

6. The multi-packed secondary oil separator for a screw compressor of claim 1, wherein: the number of the upper grids (6) is two, and the upper grids (6) are symmetrically fixed on the outer sides of two ends of the upper filler (7).