CN204239172U - A kind of vertical reciprocating piston type BOG gas compressor - Google Patents
A kind of vertical reciprocating piston type BOG gas compressor Download PDFInfo
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- CN204239172U CN204239172U CN201420628237.XU CN201420628237U CN204239172U CN 204239172 U CN204239172 U CN 204239172U CN 201420628237 U CN201420628237 U CN 201420628237U CN 204239172 U CN204239172 U CN 204239172U
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Abstract
A kind of vertical reciprocating piston type BOG gas compressor, it is formed primarily of fuselage, bent axle, connecting rod, crosshead, a three-stage cylinder body, secondary cylinder body, first stage piston, three grades of pistons, second piston, inlet valve, filter, motor, rigid coupling, air water pipe-line system, buffer, safety valve, nitrogen charging devices, a described three-stage cylinder body is by two cylinder body cast solids, and secondary cylinder casts separately one; A described three-stage cylinder body and secondary cylinder body are vertically mounted on fuselage side by side by bolt, be lined with cylinder sleeve respectively in a described three-stage cylinder body and secondary cylinder body, described bent axle is connected the piston in a three-stage cylinder body and the second piston in secondary cylinder body by connecting rod, crosshead and piston rod; One end rigid coupling of described bent axle connects with motor, and the other end connects external oil pump by free wheel device; It has rational in infrastructure, easy to install, and Security is high, the large and feature such as safe and reliable of decrement.
Description
Technical field
The utility model relates to a kind of supportingly provides 1000Nm for 100,000 tons/year of aromatic hydrocarbons projects
3/ h BOG(containing methane, carbon monoxide, acetylene, nitrogen) vertical reciprocating piston type BOG gas compressor, belong to piston gas compressor technical field.
Background technique
Existing for 1000Nm
3the compressor mainly oxygen of/h tolerance, carbon dioxide, nitrogen etc., are rarely used in the compressor of BOG gas, and in fuselage, body and sealer do not fill nitrogen, lack Security.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of rational in infrastructure, easy to install, Security is high, decrement is large and safe and reliable, not only reduce complete machine in the plant area of installing and shared by use, but also the vertical reciprocating piston type BOG gas compressor saved production cost.
The purpose of this utility model has been come by following technical solution, described vertical reciprocating piston type BOG gas compressor, it is formed primarily of fuselage, bent axle, connecting rod, crosshead, a three-stage cylinder body, secondary cylinder body, first stage piston, three grades of pistons, second piston, inlet valve, filter, motor, rigid coupling, air water pipe-line system, buffer, safety valve, nitrogen charging devices, a described three-stage cylinder body is by two cylinder body cast solids, secondary cylinder casts separately one, so that the coaxality of adjustment cylinder and crosshead slideway; A described three-stage cylinder body and secondary cylinder body are vertically mounted on fuselage side by side by bolt, cylinder sleeve is lined with respectively in a described three-stage cylinder body and secondary cylinder body, and the cooling water flow conduits be provided with for cylinder body cooling, described bent axle is connected the piston in a three-stage cylinder body and the second piston in secondary cylinder body by connecting rod, crosshead and piston rod, this bent axle connects with three connecting rods respectively, three connecting rods connect three crossheads through crosshead pin, and three crossheads and three piston rods are threaded connection; One end rigid coupling of described bent axle connects with motor, and the other end connects external oil pump by free wheel device.
The gas inlet of one-level cylinder block described in the utility model is connected BOG source of the gas by a filter with an inlet valve, the one-level gas compression outlet of one-level cylinder block connects the secondary gas import of secondary cylinder body, and the secondary gas compression outlet of secondary cylinder body connects three grades of gas inlets of three-stage cylinder body, and three of three-stage cylinder body grades of gas compression outlets reach the BOG pressurized gas relief opening of regulation requirement for pressure; Described piston is double action, is made up of piston body, piston rod, piston ring, guide ring, flinger ring; First stage piston body is cast by aluminum alloy; Two, three grades of pistons adopt gray cast iron; The guide ring of all pistons and piston ring all use intefused tetratiuorine ethene to make, and have good self lubricity and wear resistance.
The sealer that the middle body of fuselage described in the utility model and fuselage are arranged is circumscribed with nitrogen charging device, wherein said nitrogen charging device by two-way nitrogen blanketing valve road connects, can ensure that Leakage Gas to minimum reduction valve connects middle body and the sealer of fuselage respectively, and the discharge pipe that the gas discharge outlet of described middle body and sealer connects respectively is connected with Leakage prevention back flow of gas to the check valve in middle body and sealer.
The utility model belongs to the improvement to prior art, and it is owing to adopting vertical type, under the prerequisite ensureing air displacement, not only reduces complete machine in the plant area of installing and shared by use, also saves cost; This Compressor Group takes into full account the wave properties of BOG tolerance, operating flexibility 70% ~ 110%; Have rational in infrastructure, easy to install, Security is high, and decrement is large and safe and reliable, not only reduces complete machine in the plant area of installing and shared by using, but also the feature such as to save production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is workflow schematic diagram described in the utility model.
Fig. 3 described in the utility modelly has a kind of workflow schematic diagram.
Embodiment
Describe most preferred embodiment of the present utility model below with reference to accompanying drawings in detail.
Fig. 1, Fig. 2 and Fig. 3 illustrates an embodiment of the present utility model, a kind of vertical reciprocating piston type BOG gas compressor, and it is primarily of fuselage 10, bent axle 42, connecting rod 3, crosshead 4, one three-stage cylinder body 6, secondary cylinder body 9, first stage piston 5, three grades of pistons 7, second piston 8, inlet valve 13, filter 14, motor 23, rigid coupling (11), air water pipe-line system 19, buffer 15, safety valve 16, 17, 18, nitrogen charging device is formed, a described three-stage cylinder body 6 is by two cylinder body cast solids, a described three-stage cylinder body 6 and secondary cylinder body 9 are vertically mounted on fuselage 10 by bolt side by side, cylinder sleeve is lined with respectively in a described three-stage cylinder body 6 and secondary cylinder body 9, and the cooling water flow conduits be provided with for cylinder body cooling, described bent axle 2 is by connecting rod 3, crosshead 4 is connected the piston 5 in a three-stage cylinder body 6 with piston rod, 7 and secondary cylinder body 9 in second piston 8, this bent axle 2 connects with three connecting rods 3 respectively, and three connecting rods 3 connect three crossheads, 4, three crossheads 4 through crosshead pin and three piston rods are threaded connection, one end rigid coupling 11 of described bent axle 2 connects with motor 23, and the other end connects external oil pump by free wheel device, rotated by motoring bent axle, drive crosshead and piston reciprocates by connecting rod, thus to BOG air work, make BOG gas exhaust pressure reach 3.4MPa, air displacement 1000Nm
3/ h.
Shown in figure, the gas inlet of described one-level cylinder block is connected BOG source of the gas by a filter 14 with an inlet valve 13, the one-level gas compression outlet of one-level cylinder block connects the secondary gas import of secondary cylinder body 9, and the secondary gas compression outlet of secondary cylinder body connects three grades of gas inlets of three-stage cylinder body 9, and three of three-stage cylinder body grades of gas compression outlets reach the BOG pressurized gas relief opening of regulation requirement for pressure; Described piston is double action, is made up of piston body, piston rod, piston ring, guide ring, flinger ring; First stage piston body is cast by aluminum alloy; Two, three grades of pistons adopt gray cast iron; The guide ring of all pistons and piston ring all use intefused tetratiuorine ethene to make, and have good self lubricity and wear resistance.
The sealer that the middle body of fuselage described in the utility model and fuselage are arranged is circumscribed with nitrogen charging device, wherein said nitrogen charging device by two-way nitrogen blanketing valve road connects, can ensure that Leakage Gas to minimum reduction valve 16,17 connects middle body and the sealer of fuselage respectively, and the discharge pipe that the gas discharge outlet of described middle body and sealer connects respectively is connected with Leakage prevention back flow of gas to the check valve 22,23 in middle body and sealer.
The utility model arranges buffer 15 in air inlet place, ensures that compressor operating is steady; Safety valve 16,17,18 is set at the exhaust end of air water pipe-line system 19, prevents exhaust pressure from transfiniting, ensure compressor safe operation.
Cylinder block 6,9 water flowing cooled gas, oil cooler 22 water flowing cutting oil, entering water temp≤32 DEG C, return water temperature≤42 DEG C, and water monitor is set, each branch road streamflow regime can being monitored, preventing from because cutting off the water supply, compressor being broken down.
Claims (3)
1. a vertical reciprocating piston type BOG gas compressor, it is primarily of fuselage (10), bent axle (42), connecting rod (3), crosshead (4), one three-stage cylinder body (6), secondary cylinder body (9), first stage piston (5), three grades of pistons (7), second piston (8), inlet valve (13), filter (14), motor (23), rigid coupling (11), air water pipe-line system (19), buffer (15), safety valve (16, 17, 18), nitrogen charging device is formed, it is characterized in that a described three-stage cylinder body (6) is by two cylinder body cast solids, a described three-stage cylinder body (6) and secondary cylinder body (9) are vertically mounted on fuselage (10) by bolt side by side, cylinder sleeve is lined with respectively in a described three-stage cylinder body (6) and secondary cylinder body (9), and the cooling water flow conduits be provided with for cylinder body cooling, described bent axle (2) is by connecting rod (3), crosshead (4) is connected the piston (5 in a three-stage cylinder body (6) with piston rod, 7) second piston (8) and in secondary cylinder body (9), this bent axle (2) connects with three connecting rods (3) respectively, and three connecting rods (3) connect three crossheads (4) through crosshead pin, and three crossheads (4) and three piston rods are threaded connection, one end rigid coupling (11) of described bent axle (2) connects with motor (23), and the other end connects external oil pump by free wheel device.
2. vertical reciprocating piston type BOG gas compressor according to claim 1, it is characterized in that the gas inlet of described one-level cylinder block is connected BOG source of the gas by a filter (14) with an inlet valve (13), the one-level gas compression outlet of one-level cylinder block connects the secondary gas import of secondary cylinder body (9), and the secondary gas compression outlet of secondary cylinder body connects three grades of gas inlets of three-stage cylinder body (9), and the outlet of three of three-stage cylinder body grades of gas compressions reaches the BOG pressurized gas relief opening of regulation requirement for pressure; Described piston is double action, is made up of piston body, piston rod, piston ring, guide ring, flinger ring; First stage piston body is cast by aluminum alloy; Two, three grades of pistons adopt gray cast iron; The guide ring of all pistons and piston ring all use intefused tetratiuorine ethene to make.
3. vertical reciprocating piston type BOG gas compressor according to claim 1, it is characterized in that the sealer that the middle body of described fuselage and fuselage are arranged is circumscribed with nitrogen charging device, wherein said nitrogen charging device by two-way nitrogen blanketing valve road connects, can ensure that Leakage Gas to minimum reduction valve (16,17) connects middle body and the sealer of fuselage respectively, and the discharge pipe that the gas discharge outlet of described middle body and sealer connects respectively is connected with Leakage prevention back flow of gas to the check valve (22,23) in middle body and sealer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628237.XU CN204239172U (en) | 2014-10-28 | 2014-10-28 | A kind of vertical reciprocating piston type BOG gas compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628237.XU CN204239172U (en) | 2014-10-28 | 2014-10-28 | A kind of vertical reciprocating piston type BOG gas compressor |
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| CN204239172U true CN204239172U (en) | 2015-04-01 |
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| CN201420628237.XU Active CN204239172U (en) | 2014-10-28 | 2014-10-28 | A kind of vertical reciprocating piston type BOG gas compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747405A (en) * | 2015-02-27 | 2015-07-01 | 西安交通大学 | Low-temperature air cylinder working chamber component structure of liquefied natural gas vapor compressor |
| CN109973351A (en) * | 2019-03-29 | 2019-07-05 | 北海市传创环保科技有限公司 | A kind of recyclable device and its recovery method for fuel gas in petrochemical industry gas |
| CN111550382A (en) * | 2019-08-23 | 2020-08-18 | 株式会社神户制钢所 | Compressor unit |
-
2014
- 2014-10-28 CN CN201420628237.XU patent/CN204239172U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747405A (en) * | 2015-02-27 | 2015-07-01 | 西安交通大学 | Low-temperature air cylinder working chamber component structure of liquefied natural gas vapor compressor |
| CN104747405B (en) * | 2015-02-27 | 2017-04-26 | 西安交通大学 | Low-temperature air cylinder working chamber component structure of liquefied natural gas vapor compressor |
| CN109973351A (en) * | 2019-03-29 | 2019-07-05 | 北海市传创环保科技有限公司 | A kind of recyclable device and its recovery method for fuel gas in petrochemical industry gas |
| CN111550382A (en) * | 2019-08-23 | 2020-08-18 | 株式会社神户制钢所 | Compressor unit |
| CN111550382B (en) * | 2019-08-23 | 2021-09-17 | 株式会社神户制钢所 | Compressor unit |
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