CN101581302A - Hydrojet cooling screw type refrigerating compressor set for ship - Google Patents
Hydrojet cooling screw type refrigerating compressor set for ship Download PDFInfo
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- CN101581302A CN101581302A CNA2009100120089A CN200910012008A CN101581302A CN 101581302 A CN101581302 A CN 101581302A CN A2009100120089 A CNA2009100120089 A CN A2009100120089A CN 200910012008 A CN200910012008 A CN 200910012008A CN 101581302 A CN101581302 A CN 101581302A
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- type refrigerating
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Abstract
The invention relates to a hydrojet cooling screw type refrigerating compressor set for a ship, which comprises a stander and a motor, a compressor and an oil content device arranged on the stander, wherein the compressor comprises an intermediate body provided with an air suction inlet on the upper part and a machine body consisting of an exhaust end seat and an air suction end seat, a twin-screw rotor is supported in the machine body, and an adjusting valve set controlled by an adjusting oil cylinder is arranged in the machine body; the machine body is provided with a high-temperature working condition air supplementing opening, a low-temperature working condition air supplementing opening, a high-temperature working condition hydrojet opening and a low-temperature working condition hydrojet opening which are communicated with an inside compression chamber of the machine body; the machine body is also provided with a rotor oil injection opening; the twin-screw rotor is supported on the machine body through a rolling bearing; and the oil content device is upright. The hydrojet cooling screw type refrigerating compressor set has the advantages of simple overall structure, small volume, small occupied space, large refrigerating capacity and low running cost.
Description
Technical field
The present invention relates to a kind of refrigeration plant, particularly a kind of Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel.
Background technique
The Marine Refrigerating Compressor group comprises frame at present, and the motor as power source is installed on frame, is connected with piston compressor with motor by hitch bar, and the outlet of piston compressor and horizontal oil content device join.During installation, the oil content device joins with shipborne condenser, vaporizer successively.The Marine Refrigerating Compressor group of existing this structure causes refrigerating capacity little owing to be piston type, complex structure, and floor space is big; The screw type refrigerating compressor of land use at present is that employing oil spout mode in compression chamber is cooled off, lubricates, sealed compressor, because lubricant oil large usage quantity, the load of required oil cooler and volume are all bigger, among each purposes of lubricant oil, the large percentage of cooling oil, this screw compressor also is not suitable for peculiar to vessel.
Summary of the invention
The purpose of this invention is to provide the Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel that a kind of overall structure is simple, volume is little, it is little to take up room, refrigerating capacity is big, operating cost is low, overcome the deficiencies in the prior art.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention, it comprises frame 19 and the motor, compressor, the oil content device that are positioned on the frame 19; Wherein compressor comprises the body that intermediate 5, exhausting end base 4 and suction end base 7 by top band intakeport 1 constitute, and at the body internal support twin-screw rotor 2 is arranged, and is provided with in the body by the modulating valve group of regulating oil cylinder 10 controls; It is characterized in that: on body, be provided with the worst hot case gas supplementing opening 11, worst cold case gas supplementing opening 12, worst hot case mouth spray 13 and the worst cold case mouth spray 14 that are connected with body inboard compression chamber; On body, also be provided with rotor oil injection opening 15; Twin-screw rotor 2 is bearing on the body by rolling bearing; Described oil content device is vertical.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention, intakeport 1 place of wherein said intermediate 5 tops is provided with filter.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention, the power rotor axle 3 of wherein said twin-screw rotor 2 connect and clamp the shell type diaphragm coupling.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention, wherein said oil content apparatus structure is: upright shell 18 is arranged, in housing 18, be provided with filter screen 29 and be positioned at dividing plate 28 above the filter screen 29, at housing 18 inboard epicoele 26, lumen 37 and the cavity of resorptions 30 of forming; Housing 18 is provided with import 25, air outlet 21 and oil outlet 24, and import 25 is communicated with cavity of resorption 30, and air outlet 21 is communicated with epicoele 26, and oil outlet 24 is communicated with the bottom of cavity of resorption 30; On dividing plate 28, be provided with the filter core 27 that is communicated with lumen 37 and epicoele 26.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention, the outside of wherein said housing 18 are provided with level meter 22 that is communicated with cavity of resorption 30 and the safety valve 38 that is communicated with epicoele 26; The bottom of housing 18 is connected to slag-off valve 23; The top of housing 18 is provided with loam cake 20.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention, wherein said cavity of resorption 30 inboards have arc to enter pipe connection import 25.
Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel of the present invention compared with prior art has following advantage: this refrigeration compressor set overall structure is simple, volume is little, it is little to take up room.
Because the gas supplementing opening that is connected with compression chamber is arranged on the body of compressor, during work according to the operating mode difference, select different gas supplementing openings, be communicated with by valve, pipeline and economizer, be back to compression chamber from gas supplementing opening after making the part high-pressure liquid medium form gas, the part highly pressurised liquid is cold excessively in addition, has improved the refrigerating capacity of compressor, can improve about 10%, increase Applicable scope; According to the operating mode difference, by the modulating valve group by the control of adjusting oil cylinder of establishing in the body, the interior Energy Efficiency Ratio of pressing volume ratio and improving compressor of can regulate; The liquid medium that sprays into by the spray hole on the body has played effective cooling action to delivery temperature and lubricating oil temperature, has guaranteed the normal operation of compressor; Rolling bearing system between rotor shaft and the body provides convenience for fuel feeding is lubricated, the Lubrication of Rolling Contact Bearing position can be connected by the fluid of the oil content device in pipeline and the system during work, make the designs simplification of the fuel feeding lubrication system of bearing, reduce the device fabrication cost; The intakeport place is provided with filter, during work the gas that sucks in the compression chamber is filtered, and has guaranteed the safety of equipment operation; Power rotor is coupling and clamps the shell type diaphragm coupling, and is safe and reliable, adjusts easy accessibility, and the centering performance is good.
Vertical oil content device is particularly suitable for peculiar to vessel, has saved the shared space of equipment, and its inner structural design has Oil-gas Separation advantage completely.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention;
Fig. 2 is a schematic top plan view shown in Figure 1;
Fig. 3 is that schematic representation is looked on a left side shown in Figure 1;
Fig. 4 is the overall structure schematic representation of compressor bank of the present invention;
Fig. 5 is the oil content apparatus structure schematic representation among the present invention;
Fig. 6 is a schematic top plan view shown in Figure 5.
Embodiment
As shown in Figure 1, 2, 3: 5 is intermediate, and 4 is exhausting end base, and 7 is suction end base, is bolted to connection the formation body.2 is the twin-screw rotor that is arranged in parallel, and each rotor is bearing on the body by bearing.On suction end base 7, be fixedly connected with the adjusting oil cylinder 10 that joins with hydraulic control device, by with regulate a piston 9, two pistons 8 and the regulation valve body 6 that oil cylinder 10 matches and in body, form the modulating valve group, be used for whole compressor is regulated control.Above intermediate 5, be provided with intakeport 1.Below exhausting end base 4, be provided with relief opening 16.
On body, be processed with worst hot case gas supplementing opening 11 and worst cold case gas supplementing opening 12.Each gas supplementing opening is communicated with the compression chamber of body inboard.
On body, be processed with worst hot case mouth spray 13 and worst cold case mouth spray 14.Each spray hole is communicated with the compression chamber of body inboard.
On body, also be processed with rotor oil injection opening 15.
Above-mentioned each hole can utilize bolt or cover plate shutoff before compressor is installed, to prevent to enter other foreign material.
Twin-screw rotor 2 is bearing on the body by rolling bearing.
Intakeport 1 place above intermediate 5 is provided with pneumatic filter, and filter is three layers of 80-120 purpose metal mesh structure, and supports by the metal retainer.
The power rotor axle 3 of twin-screw rotor 2 connects and clamps the shell type diaphragm coupling.
When compressor is installed, worst hot case gas supplementing opening 11, worst cold case gas supplementing opening 12 are connected with high-pressure liquid medium in the refrigeration system by valve, pipeline and economizer.Select to open corresponding gas supplementing opening according to the temperature of operating mode during work, in compression chamber, mend dielectric gas, make the part high-pressure liquid medium cold excessively, to improve refrigerating capacity.
When compressor is installed, worst hot case mouth spray 13, worst cold case mouth spray 14 are connected with high-pressure liquid medium in the refrigeration system by valve, pipeline.Select to open corresponding mouth spray according to the temperature of operating mode during work, in compression chamber, spray into liquid medium, reach cooling purpose.
When compressor is installed, join by the oil content device in the lubrication channel on the body and oil pump and the system, when beginning to start, to the bearing portion fuel feeding, during normal operation, utilize the oil pressure in the oil content device can be by oil pump to the bearing portion fuel feeding, need not the oil pump operation, reach self-lubricated purpose.
Shown in Fig. 5,6: 18 is the housing in the oil content device, is provided with filter screen 29 and is positioned at dividing plate 28 above the filter screen 29 in housing 18.Wherein filter screen 29 can be wire netting is welded on housing 18 by support frame inboard formation; Or utilize intermediate course to be full of double-deck orifice plate wiry to fixedly connected formation with housing 18.At housing 18 inboard epicoele 26, lumen 37 and the cavity of resorptions 30 of forming.
The outer side surface of housing 18 is provided with import 25, air outlet 21 and oil outlet 24.Wherein import 25 is communicated with cavity of resorption 30, and air outlet 21 is communicated with epicoele 26, and oil outlet 24 is communicated with the bottom of cavity of resorption 30.
On dividing plate 28, be provided with the filter core 27 that is communicated with lumen 37 and epicoele 26.Concrete structure is to be processed with through hole on dividing plate 28, and filter core 27 is fixed in the through hole of dividing plate 28 tops, and the inlet of filter core 27 is connected with through hole.Filter core 27 is three, and circumferencial direction evenly distributes above dividing plate 28.Described filter core 27 is selected for use the effective macromolecular material of lubricating oil separation is made.
In the outside of housing 18 level meter 22 that is communicated with cavity of resorption 30 is installed, to understand the oil mass of housing 18 inboards at any time; In housing 18 outsides pressure that the safety valve 38 that is communicated with epicoele 26 is used to control housing 18 inner chambers is installed; The bottom of housing 18 is connected to the impurity that slag-off valve 23 is used to discharge deposition in the housing 18; There is loam cake 20 at top at housing 18 by bolt, during to the component inspection of housing 18 inboards, can open loam cake 20 and handle.
There is arc to enter pipe in cavity of resorption 30 inboards of housing 18 and connects import 25, the gas mixture that enters in housing 18 cavity of resorptions 30 by import 25 is fully rotated along its inwall in cavity of resorption 30, under action of centrifugal force, make oil component fall to separating as far as possible.
When this unit is installed, by support the oil content device is fixed on the frame 19, oil outlet 24 is divided into two-way by pipeline and compressor joins, and one the tunnel is to join with compressor through valve 32, grade one filter 33, fuel supply line 34; Another road is to join with compressor by oil pump 35, secondary filter 36.
Claims (6)
1, a kind of Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel, it comprises frame (19) and is positioned at motor, compressor, oil content device on the frame (19); Wherein compressor comprises by the body of intermediate (5), exhausting end base (4) and suction end base (7) formation of top band intakeport (1), at the body internal support twin-screw rotor (2) is arranged, and is provided with in the body by the modulating valve group of regulating oil cylinder (10) control; It is characterized in that: on body, be provided with the worst hot case gas supplementing opening (11), worst cold case gas supplementing opening (12), worst hot case mouth spray (13) and the worst cold case mouth spray (14) that are connected with body inboard compression chamber; On body, also be provided with rotor oil injection opening (15); Twin-screw rotor (2) is bearing on the body by rolling bearing; Described oil content device is vertical.
2, Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel according to claim 1 is characterized in that: the intakeport (1) of described intermediate (5) top locates to be provided with filter.
3, Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel according to claim 2 is characterized in that: the power rotor axle (3) of described twin-screw rotor (2) connects and clamps the shell type diaphragm coupling.
4, according to claim 1 or 2 or 3 described Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel, it is characterized in that: described oil content apparatus structure is: upright shell (18) is arranged, in housing (18), be provided with filter screen (29) and be positioned at the dividing plate (28) of filter screen (29) top, at inboard epicoele (26), lumen (37) and the cavity of resorption (30) of forming of housing (18); Housing (18) is provided with import (25), air outlet (21) and oil outlet (24), and import (25) is communicated with cavity of resorption (30), and air outlet (21) are communicated with epicoele (26), and oil outlet (24) is communicated with the bottom of cavity of resorption (30); On dividing plate (28), be provided with the filter core (27) that is communicated with lumen (37) and epicoele (26).
5, Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel according to claim 4 is characterized in that: the outside of described housing (18) is provided with level meter (22) that is communicated with cavity of resorption (30) and the safety valve (38) that is communicated with epicoele (26); The bottom of housing (18) is connected to slag-off valve (23); The top of housing (18) is provided with loam cake (20).
6, Hydrojet cooling screw type refrigerating compressor bank peculiar to vessel according to claim 5 is characterized in that: described cavity of resorption (30) inboard has arc to enter pipe connection import (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100120089A CN101581302A (en) | 2009-06-15 | 2009-06-15 | Hydrojet cooling screw type refrigerating compressor set for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100120089A CN101581302A (en) | 2009-06-15 | 2009-06-15 | Hydrojet cooling screw type refrigerating compressor set for ship |
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| Publication Number | Publication Date |
|---|---|
| CN101581302A true CN101581302A (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100120089A Pending CN101581302A (en) | 2009-06-15 | 2009-06-15 | Hydrojet cooling screw type refrigerating compressor set for ship |
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| CN (1) | CN101581302A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979880A (en) * | 2010-04-26 | 2011-02-23 | 上海维尔泰克螺杆机械有限公司 | Screw compressor |
| CN107701442A (en) * | 2017-10-29 | 2018-02-16 | 上海齐耀膨胀机有限公司 | Screw type water steam compression system |
-
2009
- 2009-06-15 CN CNA2009100120089A patent/CN101581302A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979880A (en) * | 2010-04-26 | 2011-02-23 | 上海维尔泰克螺杆机械有限公司 | Screw compressor |
| WO2011134261A1 (en) * | 2010-04-26 | 2011-11-03 | 上海维尔泰克螺杆机械有限公司 | Screw compressor |
| CN101979880B (en) * | 2010-04-26 | 2013-07-31 | 上海维尔泰克螺杆机械有限公司 | Screw compressor |
| CN107701442A (en) * | 2017-10-29 | 2018-02-16 | 上海齐耀膨胀机有限公司 | Screw type water steam compression system |
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Application publication date: 20091118 |