CN203130423U - Compressor with dual-chamber oil scraper device - Google Patents
Compressor with dual-chamber oil scraper device Download PDFInfo
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- CN203130423U CN203130423U CN 201320145532 CN201320145532U CN203130423U CN 203130423 U CN203130423 U CN 203130423U CN 201320145532 CN201320145532 CN 201320145532 CN 201320145532 U CN201320145532 U CN 201320145532U CN 203130423 U CN203130423 U CN 203130423U
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- oil
- ring
- scraper
- rings
- iron
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Abstract
The utility model discloses a compressor with a dual-chamber oil scraper device. A gland and an oil baffle plate are fixedly arranged on an oil scraper box; a spacer ring divides the oil scraper box into a left oil scraper chamber and a right oil scraper chamber so as to form two chambers; the right oil scraper chamber is formed by more than two groups of iron-based oil scraper rings, and the left oil scraper chamber is formed by two groups of copper-based oil scraper rings and a group of sealing rings; and the sealing rings, the copper-based oil scraper rings, a clapboard I, the spacer ring, a clapboard II, the iron-based oil scraper rings, the gland and the oil baffle plate are all sleeved on a piston rod. The more than two groups of iron-based oil scraper rings, the two groups of copper-based oil scraper rings, the one group of sealing rings, the clapboard I and the spacer ring are used for scrapping lubricating oil adhered to the piston rod at a slideway of a cross head, the lubricating oil can be thoroughly cleaned, the anti-backflow function of the oil baffle plate and the clapboard II is combined so as to prevent the lubricating oil from being brought into a cylinder or leaking outside by the piston rod, and the goals of no oil leakage, no pollution and longtime periodic stable operation are achieved.
Description
Technical field
The utility model relates to compressor, especially relates to a kind of compressor with two chambers oil-scraping device.
Background technique
Oil-scraping device is the indispensable critical piece of reciprocating-piston compressor, and especially the sort of compressed media is the compressor of special gas such as nitrogen, oxygen, carbon dioxide.With regard to chemical industry was produced urea, carbon dioxide was the high pressure feed for urea production.Carbon dioxide after the compressed machine compression, if the frizing poor effect at scraper ring place in the oil-scraping device, not only the lubricant oil leakage of oil is serious, lubrication oil consumption is high, and the lubricant oil that spills will pollute site environment, also can cause the equipment of system pipeline, urea device to stop up.On the one hand be because of lubricant oil that the scraper ring place spills be attached to do not scraped on the piston rod bring cylinder into after, brought in the urea device by carbon dioxide immediately, lubricant oil in this carbon dioxide will at high temperature be analysed carbon and be caused the equipment of urea device to stop up, the utilization efficiency of high compression ring equipment is descended, it (mainly is the heat exchange efficiency decline of heat exchanger that product yield reduces, do not reach technological requirement, causing ammonia and carbon dioxide reaction to change into the urea transformation rate descends), be that the whiteness of urea product descends because the pollution of lubricant oil causes on the other hand, problems such as output is influenced have a strong impact on the normal of urea device, stable and efficient operation and quality of product.Be the compressor of oxygen to compressed media, require especially the lubricant oil on the piston rod is thoroughly scraped totally, brought into cylinder by piston rod and to external leakage, allowed lubricant oil to enter anything but to stop lubricant oil, prevent the accident that causes therefrom.
Summary of the invention
The purpose of this utility model is to provide a kind of compressor of the two chambers of band oil-scraping device of oil-proof, pollution-free, long-period stable operation, this pair chamber oil-scraping device can prevent lubricant oil from the side of the crosshead of compressor along piston rod leakage of oil outward.
The purpose of this utility model is achieved in that
A kind of compressor with two chambers oil-scraping device, comprise fuselage, crosshead, scrape oil box, middle extend neck, piston rod, gland, oil baffle and oil return pond, scrape the right-hand member that oil box is installed in middle extend neck, gland and oil baffle are fixed on to be scraped on the oil box, the right-hand member of piston rod is fixed on the crosshead, the left end of piston rod is fixed on the piston and in cylinder and moves reciprocatingly, be provided with in the bottom of scraping oil box and scrape the oil box spill port, extend neck spill port in the middle of middle extend neck is provided with, be provided with the fuselage spill port at fuselage, feature is: be installed in the spacer ring of scraping oil box middle part and will scrape oil box and be divided into that oil pocket is scraped on the right side and oil pocket is scraped on a left side, at right frizing cavity inner sleeve four groups of iron-based scraper rings are arranged, between adjacent iron-based scraper ring, be with the dividing plate I, between the spacer ring of scraping the oil pocket left end and last group iron-based scraper ring, be with the dividing plate II, in oil pocket is scraped on a left side, be with one group of seal ring and two groups of copper base scraper rings from left to right successively, all be with the dividing plate I between seal ring and the copper base scraper ring and between two groups of copper base scraper rings; Be provided with the spacer ring oil outlet in the bottom of spacer ring, that scrapes oil box bottom scrapes the corresponding same horizontal line position that is in spacer ring oil outlet position of oil box spill port; Be provided with dividing plate I oil outlet in the dividing plate I, correspondence was in same horizontal line position, bottom when each dividing plate I oil outlet was installed.
The iron-based scraper ring forms one group and be installed in the spacer ring by two scraper rings, and scraper ring is radial slot and is made by ferrous based powder metallurgical, the scraper ring extension spring of iron-based is installed at the external annulus of iron-based scraper ring.
Copper base scraper ring forms one group and be installed in the spacer ring by two scraper rings, and scraper ring is radial slot and is made by copper-base powder metallurgy, the scraper ring extension spring of copper base is installed at the external annulus of copper base scraper ring.
Seal ring is made up of three flap seal rings, six flap seal rings, straight pin and seal ring extension spring, three flap seal rings form a ring, six flap seal rings form a ring, three flap seal rings and six flap seal rings are placed side by side by straight pin location and be installed in the spacer ring, on the external annulus of three flap seal rings and six flap seal rings the seal ring extension spring are installed all.
Spacer ring of the present utility model will be scraped oil box and be divided into that oil pocket is scraped on the right side and oil pocket is scraped on a left side, form two chambers, the right side is scraped oil pocket and is made up of the iron-based scraper ring more than two groups, a left side is scraped oil pocket and is added one group of seal ring by two groups of copper base scraper rings and form, and seal ring, copper base scraper ring, dividing plate I, spacer ring, dividing plate II, iron-based scraper ring, gland and oil baffle all are enclosed within on the piston rod.When the piston rod to-and-fro motion, at first, by iron-based scraper ring extension spring, two groups of above iron-based scraper rings are radially tightened up, the most of lubricant oil that is attached to piston rod at crosshead slideway place is scraped off, lubricant oil falls by deadweight by dividing plate I oil outlet and under the effect of oil baffle, then through the oil return pond of fuselage spill port inflow fuselage to the recovery that circulates of the lubrication station of compressor; Secondly, by copper base scraper ring extension spring, two groups of copper base scraper rings are radially tightened up, the secondary frizing of copper base scraper ring and seal ring are not scraped clean lubricant oil and are thoroughly scraped again totally being attached to jointly on the piston rod, brought into cylinder by piston rod and to external leakage to stop lubricant oil, the lubricant oil that scrapes off in the other direction with the iron-based scraper ring that copper base scraper ring and seal ring scrape again by dividing plate I oil outlet and through scrape the oil box spill port flow in the middle of the extend neck spill port, to the recovery that circulates of the lubrication station of compressor.The effect of spacer ring is: on the one hand the iron-based scraper ring not the opposite direction of scraping remain in lubricant oil that piston rod is with and pass through dividing plate I oil outlet and spacer ring oil outlet, again through scrape the oil box spill port flow in the middle of the extend neck spill port be recovered in the compressor lubrication station, reclaim lubricant oil that copper base scraper ring scrapes off on the other hand to the compressor lubrication station.Seal ring is pushed three flap seal rings and six flap seal rings the end face of seal ring to by the seal ring extension spring, and seal ring is radially tightened up, and forms end face axle envelope, is brought into cylinder by piston rod and to external leakage to stop lubricant oil.
Therefore, the utility model scrapes off the lubricant oil that the slideway place of crosshead is attached to piston rod by the iron-based scraper ring more than two groups, two groups of copper base scraper rings and one group of seal ring and spacer ring etc., thoroughly scrape totally, brought into cylinder by piston rod and to external leakage to stop lubricant oil.It has following advantage:
(1) scrapes in the oil box and to be divided into by spacer ring that oil pocket is scraped on the right side and oil pocket is scraped on a left side, form two chambers, prevent that the right side from scraping oil pocket and a left side and scraping the lubricant oil that the scraper ring in the oil pocket scrapes and form back mixing, played the effect of classification frizing.
(2) by the spacer ring oil outlet, the right makes lubricant oil fall behind by the fuselage spill port down by deadweight and flows in the oil return pond of fuselage under the obstruct of oil baffle, prevents from playing a reversed role under the dividing plate II intercepts on iron-based scraper ring most of lubricant oil left side of scraping off.
(3) material of iron-based scraper ring is harder, and not easy to wear, frizing is effective, and the combination of four groups of iron-based scraper rings can be wiped the most of lubricant oil on the piston rod off.
(4) material of copper base scraper ring is softer, and the combination frizing of two groups of copper base scraper rings is cleaner, can further the lubricant oil that is attached on the piston rod be scraped totally.
(5) the utility model is provided with three place's spill ports, and the fuselage spill port is arranged on the side-lower of fuselage, and the air-flow of having avoided causing because of the crosshead to-and-fro motion stops lubricant oil to be back to the oil return pond; Scrape the oil box spill port and further reclaim the lubricant oil that copper base scraper ring secondary frizing and iron-based scraper ring scrape off in the other direction, avoid lubricant oil in scraping oil box, constantly to assemble and finally leak outside; Middle extend neck spill port calculates gained, and it is unobstructed to have guaranteed that lubricant oil refluxes.
(6) left end at copper base scraper ring arranges one group of seal ring, and in the inside of scraping oil box, external sealed is become interior sealing, and the lubricant oil that copper base scraper ring is scraped flows into the spacer ring oil outlet to scraping the oil box spill port by the spacer ring oil outlet, has reduced the possibility to external leakage.
(7) oil-proof, pollution-free, long-period stable operation.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of scraping oil box among Fig. 1;
Fig. 3 is the positive view of dividing plate I;
Fig. 4 is the positive view of dividing plate II;
Fig. 5 is the positive view of spacer ring;
Fig. 6 is the positive view of iron-based, copper base scraper ring;
Fig. 7 is the left view of iron-based, copper base radial slot scraper ring;
Fig. 8 is the right elevation of iron-based, copper base radial slot scraper ring;
Fig. 9 is the positive view of seal ring;
Figure 10 is the left view (six flap seal rings) of seal ring;
Figure 11 is the right elevation (three flap seal rings) of seal ring.
Embodiment:
Below in conjunction with example and contrast accompanying drawing the utility model is described in further detail.
A kind of compressor with two chambers oil-scraping device, comprise fuselage 5, crosshead 4, scrape oil box 3, middle extend neck 2, piston rod 1, oil baffle 10, gland 11 and oil return pond 6, scrape the right-hand member that oil box 3 is installed in middle extend neck 2, oil baffle 10 and gland 11 are fixed on to be scraped on the oil box 3, the right-hand member of piston rod 1 is fixed on the crosshead 4, the left end of piston rod 1 is fixed on the piston, level is passed oil baffle 10 from right to left, gland 11 moves reciprocatingly at cylinder with the centre of scraping oil box 3, be provided with in the bottom of scraping oil box 3 and scrape oil box spill port 9, extend neck spill port 8 in the middle of middle extend neck 2 is provided with, be provided with fuselage spill port 7 at fuselage 5, being installed in the spacer ring 15 of scraping oil box 3 middle parts will scrape oil box and be divided into that oil pocket 3-2 is scraped on the right side and oil pocket 3-1 is scraped on a left side, in scraping oil pocket 3-2, the right side is with four groups of iron-based scraper rings 13, between adjacent iron-based scraper ring 13, be with dividing plate I 12, between the spacer ring 15 of scraping oil pocket 3-2 left end and last group iron-based scraper ring 13, be with dividing plate II 14, in oil pocket 3-1 is scraped on a left side, be with one group of seal ring 18 and two groups of copper base scraper rings 17 from left to right successively, all be with dividing plate I 12 between seal ring 18 and the copper base scraper ring 17 and between two groups of copper base scraper rings 17; Be provided with spacer ring oil outlet 15-1 in the bottom of spacer ring 15, that scrapes oil box 3 bottoms scrapes the corresponding same horizontal line position that is in spacer ring oil outlet 15-1 position of oil box spill port 9; Be provided with dividing plate I oil outlet 12-1 in dividing plate I 12, correspondence was in same horizontal line position, bottom when each dividing plate I oil outlet 12-1 installed.
Iron-based scraper ring 13 forms one group and be installed in the spacer ring 16 by two scraper rings 19, and scraper ring 19 is made for radial slot and by ferrous based powder metallurgical, and the scraper ring extension spring 20 of iron-based is installed at the external annulus of iron-based scraper ring 13.
Copper base scraper ring 17 forms one group and be installed in the spacer ring 16 by two scraper rings 19, and scraper ring 19 is made for radial slot and by copper-base powder metallurgy, and the scraper ring extension spring 20 of copper base is installed at the external annulus of copper base scraper ring 17.
Scrape oil box spill port 9 and answer the corresponding same horizontal line position that is in spacer ring oil outlet 15-1 position, make that scraping oil box spill port 9 is superimposed effectively with spacer ring oil outlet 15-1, allows lubricant oil flow out smoothly; Be provided with dividing plate I oil outlet 12-1 in each dividing plate I 12, each dividing plate I oil outlet 12-1 answers correspondence to be in same horizontal line position, bottom during installation, allows lubricant oil flow out smoothly effectively.
Claims (4)
1. be with pair compressor of chambers oil-scraping device for one kind, comprise fuselage, crosshead, scrape oil box, middle extend neck, piston rod, gland, oil baffle and oil return pond, scrape the right-hand member that oil box is installed in middle extend neck, gland and oil baffle are fixed on to be scraped on the oil box, the right-hand member of piston rod is fixed on the crosshead, the left end of piston rod is fixed on the piston and in cylinder and moves reciprocatingly, be provided with in the bottom of scraping oil box and scrape the oil box spill port, extend neck spill port in the middle of middle extend neck is provided with, be provided with the fuselage spill port at fuselage, it is characterized in that: be installed in the spacer ring of scraping oil box middle part and will scrape oil box and be divided into that oil pocket is scraped on the right side and oil pocket is scraped on a left side, at right frizing cavity inner sleeve four groups of iron-based scraper rings are arranged, between adjacent iron-based scraper ring, be with the dividing plate I, between the spacer ring of scraping the oil pocket left end and last group iron-based scraper ring, be with the dividing plate II, in oil pocket is scraped on a left side, be with one group of seal ring and two groups of copper base scraper rings from left to right successively, all be with the dividing plate I between seal ring and the copper base scraper ring and between two groups of copper base scraper rings; Be provided with the spacer ring oil outlet in the bottom of spacer ring, that scrapes oil box bottom scrapes the corresponding same horizontal line position that is in spacer ring oil outlet position of oil box spill port; Be provided with dividing plate I oil outlet in the dividing plate I, correspondence was in same horizontal line position, bottom when each dividing plate I oil outlet was installed.
2. compressor according to claim 1, it is characterized in that: the iron-based scraper ring forms one group and be installed in the spacer ring by two scraper rings, scraper ring is radial slot and is made by ferrous based powder metallurgical, the scraper ring extension spring of iron-based is installed at the external annulus of iron-based scraper ring.
3. compressor according to claim 1, it is characterized in that: copper base scraper ring forms one group and be installed in the spacer ring by two scraper rings, scraper ring is radial slot and is made by copper-base powder metallurgy, the scraper ring extension spring of copper base is installed at the external annulus of copper base scraper ring.
4. according to claim 2 or 3 described compressors, it is characterized in that: seal ring is made up of three flap seal rings, six flap seal rings, straight pin and seal ring extension spring, three flap seal rings form a ring, six flap seal rings form a ring, three flap seal rings and six flap seal rings are placed side by side by straight pin location and be installed in the spacer ring, on the external annulus of three flap seal rings and six flap seal rings the seal ring extension spring are installed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145532 CN203130423U (en) | 2013-03-28 | 2013-03-28 | Compressor with dual-chamber oil scraper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145532 CN203130423U (en) | 2013-03-28 | 2013-03-28 | Compressor with dual-chamber oil scraper device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130423U true CN203130423U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320145532 Withdrawn - After Issue CN203130423U (en) | 2013-03-28 | 2013-03-28 | Compressor with dual-chamber oil scraper device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203130423U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147960A (en) * | 2013-03-28 | 2013-06-12 | 江西气体压缩机有限公司 | Compressor with dual-chamber oil-scraping device |
-
2013
- 2013-03-28 CN CN 201320145532 patent/CN203130423U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147960A (en) * | 2013-03-28 | 2013-06-12 | 江西气体压缩机有限公司 | Compressor with dual-chamber oil-scraping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |