CN206917855U - Vapor screw compressor unit - Google Patents

Vapor screw compressor unit Download PDF

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Publication number
CN206917855U
CN206917855U CN201720544486.4U CN201720544486U CN206917855U CN 206917855 U CN206917855 U CN 206917855U CN 201720544486 U CN201720544486 U CN 201720544486U CN 206917855 U CN206917855 U CN 206917855U
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China
Prior art keywords
oil
vapor
helical
unit
fuel tanking
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CN201720544486.4U
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Chinese (zh)
Inventor
刘聪
李军
霍正齐
梅毅
吴金亮
马志杰
夏航
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XINSHIJIE REFRIGERATION INDUSTRY Co Ltd WUHAN
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XINSHIJIE REFRIGERATION INDUSTRY Co Ltd WUHAN
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Abstract

The utility model discloses a kind of vapor screw compressor unit, including vapor helical-lobe compressor, main motor, Fuel Tanking Unit, oil cooler, oil strainer;Vapor aspirating air pipe, vapor discharge duct, blanket gas admission line and blanket gas discharge line are provided with the vapor helical-lobe compressor;The power output shaft of the main motor is connected by shaft coupling with the power input shaft of vapor helical-lobe compressor;The oil-out of the Fuel Tanking Unit and the oil inlet of oil cooler connect, the oil-out of the oil cooler and the oil inlet of oil strainer connect, the oil-out of the oil strainer is connected with the bearing bore oil inlet at vapor helical-lobe compressor both ends, and the bearing bore oil-out at the vapor helical-lobe compressor both ends and the oil inlet of Fuel Tanking Unit connect.Compressor set of the present utility model has roots-type and centrifugal water both vapor compression unit advantage concurrently, and equipment investment is small, operating cost economy, is particularly suitable for water vapor pressure compression system.

Description

Vapor screw compressor unit
Technical field
Compressor set is the utility model is related to, in particular to a kind of vapor screw compressor unit.
Background technology
Water vapour compressor set is that heat recovery system improves water vapour to caused water vapour by compression at present The key equipment of temperature and pressure, effect is that the water vapour of low pressure or low temperature pressurizes to heat up, to reach technique or engineering institute The temperature and pressure requirement needed.Water vapour compressor set is mainly used in the chemical fields such as evaporation, crystallization, tower, drying, overall Form complex, be mainly made up of three compressibility, water vapour cooler and lubricating system elementary cells, type is mainly wrapped Roots-type positive displacement and centrifugal two kinds of speed mode water vapour compressor set are included.
From the perspective of machinery, its stability of lower rotating speed is higher, and the vapour compression machine rotating speed of usual roots-type leads to Often between 980~1450r/min, and centrifugal compressor rotating speed is generally in more than 9000r/min.For the water vapour of roots-type For compressor, it is mainly that stability is higher, but its volume flow is too small, low unit efficiency is its birth defect;For from For core type water vapour compressor, it is mainly the advantages of dynamic balance property is good, with small vibration, however its by pressure ratio is small, temperature rise not Height, to the droplet sensitivity in working medium and being easy to the restrictions such as corrosion causes application narrower.
The content of the invention
The purpose of this utility model seeks to provide a kind of vapor screw compressor unit, the unit have concurrently roots-type with Centrifugal water both vapor compression unit advantage, equipment investment is small, operating cost economy, is particularly suitable for water vapor pressure compression system.
To achieve the above object, the vapor screw compressor unit designed by the utility model, including vapor screw rod Compressor, in addition to main motor, Fuel Tanking Unit, oil cooler, oil strainer;Water is provided with the vapor helical-lobe compressor Steam aspirating air pipe, vapor discharge duct, blanket gas admission line and blanket gas discharge line;The main motor moves Power output shaft is connected by shaft coupling with the power input shaft of vapor helical-lobe compressor;
The oil-out of the Fuel Tanking Unit and the oil inlet of oil cooler connect, the oil-out of the oil cooler and oily mistake The oil inlet connection of filter, the oil-out of the oil strainer connect with the bearing bore oil inlet at vapor helical-lobe compressor both ends Connect, the bearing bore oil-out at the vapor helical-lobe compressor both ends and the oil inlet of Fuel Tanking Unit connect.
Further, air-breathing screw down nonreturn valve, the vapor row are provided with the pipeline of the vapor aspirating air pipe Exhaust screw down nonreturn valve is provided with the pipeline of feed channel.
Further, it is provided with oil on the pipeline between the oil-out of the oil cooler and the oil inlet of oil strainer Pump.
Further, it is provided with pressure balance between the bearing bore at Fuel Tanking Unit and vapor the helical-lobe compressor both ends Pipeline.
Further, the sparge pipe for being connected with external spray cooling system is provided with the vapor aspirating air pipe Road.
Further, temperature-sensing valve is provided with the pipeline of the oil inlet of the oil-out of the Fuel Tanking Unit and oil cooler, Pipeline connection between the oil inlet that the temperature-sensing valve passes through the oil-out and oil strainer of bypass duct and oil cooler.
Further, between the oil-out of the oil strainer and the bearing bore oil inlet at vapor helical-lobe compressor both ends Pipeline on be provided with oil and match somebody with somebody seat.
Further, it also includes public base, and the vapor helical-lobe compressor, main motor, Fuel Tanking Unit, oil cooling are but Device, oil strainer are installed on public base.
Yet further, microcomputer control cabinet is additionally provided with the public base.
Further, the Fuel Tanking Unit is to be made up of in parallel or in series two oil tanks.
Compared with prior art, the utility model has the advantage of:
First, the utility model vapor screw compressor unit has roots-type concurrently and centrifugal water both vapor compression unit is excellent Point, its compressor rotary speed is generally between 2960~3600r/min, compression ratio be 2~5, temperature rise under conditions of 20~50 DEG C, Equipment investment is small, operating cost economy, is particularly suitable for water vapor pressure compression system.
Second, water vapour compression of the present utility model and bearing lubrication use labyrinth seal isolation design, water vapour and profit Lubricating oil does not contact, and eliminates the oil eliminator of complex and expensive, it is only necessary to increases the external blanket gas system of a cheap and simple.
It is third, of the present utility model in the external spray cooling system in water vapor screw compressor suction line porch, guarantor The discharge superheat after water vapour compression is demonstrate,proved, ensures the safe operation of water vapor screw compressor.
Fourth, an oil tank Curve guide impeller is two oil tanks in parallel under conditions of store oil amount is constant by the utility model, Both the design height of unit had been reduced, has added the stability of unit operation again, has been advantageous to main motor and water vapour screw compression Machine is safeguarded and maintenance.
Brief description of the drawings
Fig. 1 is a kind of pipeline connection diagram of vapor screw compressor unit;
Fig. 2 is the main structure diagram of vapor screw compressor unit shown in Fig. 1;
Fig. 3 is Fig. 2 side structure schematic view;
In figure, vapor helical-lobe compressor 1, main motor 2, Fuel Tanking Unit 3, oil cooler 4, oil strainer 5, vapor are inhaled Feed channel 6, vapor discharge duct 7, blanket gas admission line 8, blanket gas discharge line 9, shaft coupling 10, air-breathing cut-off non-return Valve 11, exhaust screw down nonreturn valve 12, oil pump 13, pressure-equalizing passageway 14, water pipeline 15, temperature-sensing valve 16, bypass duct 17, oil Distribute seat 18, public base 19, microcomputer control cabinet 20.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
A kind of vapor screw compressor unit shown in figure, including vapor helical-lobe compressor 1, in addition to main motor 2nd, Fuel Tanking Unit 3, oil cooler 4, oil strainer 5;Vapor aspirating air pipe 6 is provided with vapor helical-lobe compressor 1, water steams Gas discharge duct 7, blanket gas admission line 8 and blanket gas discharge line 9, it is provided with the pipeline of vapor aspirating air pipe 6 Air-breathing screw down nonreturn valve 11, exhaust screw down nonreturn valve 12 is provided with the pipeline of vapor discharge duct 7.The power of main motor 2 Output shaft is connected by shaft coupling 10 with the power input shaft of vapor helical-lobe compressor 1.The oil-out of Fuel Tanking Unit 3 and oil cooling But the oil inlet connection of device 4, the oil-out of oil cooler 4 are connected with the oil inlet of oil strainer 5, the oil-out of oil cooler 4 Oil pump 13, oil-out and the vapor screw compression of oil strainer 5 are provided with pipeline between the oil inlet of oil strainer 5 The bearing bore oil inlet connection at the both ends of machine 1, the bearing bore oil-out at the both ends of vapor helical-lobe compressor 1 and entering for Fuel Tanking Unit 3 Hydraulic fluid port is connected, and pressure-equalizing passageway 14 is provided between Fuel Tanking Unit 3 and the bearing bore at the both ends of vapor helical-lobe compressor 1, is stored up Oily device 3 is to be made up of in parallel or in series two oil tanks.It is provided with and is used for and external spray cooling on vapor aspirating air pipe 6 The water pipeline 15 of system connection.The oil-out of Fuel Tanking Unit 3 on the pipeline of the oil inlet of oil cooler 4 with being provided with temperature-sensing valve 16, pipeline connection between the oil inlet that temperature-sensing valve 16 passes through the oil-out and oil strainer 5 of bypass duct 17 and oil cooler 4. Oil is provided with pipeline between the oil-out of oil strainer 5 and the bearing bore oil inlet at the both ends of vapor helical-lobe compressor 1 With seat 18.It also includes public base 19, vapor helical-lobe compressor 1, main motor 2, Fuel Tanking Unit 3, oil cooler 4, oily mistake Filter 5 is installed on public base 19, and microcomputer control cabinet 20 is additionally provided with public base 19.
The course of work of the present utility model is as follows:
Vapor compression process:Vapor helical-lobe compressor is entered by the low-pressure low-temperature water vapour of air-breathing stop valve 11 In 1, vapor helical-lobe compressor 1 is driven to be compressed operating by shaft coupling 10 by main motor 2, low-pressure low-temperature water vapour is pressed The water vapour of high pressure-temperature is condensed to, is discharged through being vented screw down nonreturn valve 12, completes the compression process of vapor.
Lubrication oil circulation flow:Lubricating oil in Fuel Tanking Unit 3 by flowing out, after being cooled down by oil cooler 4, then by oil pump 13 pressurizations, then by the impurity screening of oil strainer 5, the bearing bore progress for finally entering the both ends of vapor helical-lobe compressor 1 is cold But lubricate, and returned to by the oil-out of the bearing bore bottom at both ends in Fuel Tanking Unit 3, complete lubrication oil circulation.
It these are only specific embodiment of the present utility model, it is noted that any those skilled in the art exist In technical scope disclosed in the utility model, the change or replacement that can readily occur in should all be covered in guarantor of the present utility model Within the scope of shield.

Claims (10)

1. a kind of vapor screw compressor unit, including vapor helical-lobe compressor (1), it is characterised in that:Also include main electricity Machine (2), Fuel Tanking Unit (3), oil cooler (4), oil strainer (5);Water steaming is provided with the vapor helical-lobe compressor (1) Aspiration feed channel (6), vapor discharge duct (7), blanket gas admission line (8) and blanket gas discharge line (9);It is described The power output shaft of main motor (2) is connected by shaft coupling (10) with the power input shaft of vapor helical-lobe compressor (1);
The oil-out of the Fuel Tanking Unit (3) is connected with the oil inlet of oil cooler (4), the oil-out of the oil cooler (4) It is connected with the oil inlet of oil strainer (5), oil-out and vapor helical-lobe compressor (1) both ends of the oil strainer (5) Bearing bore oil inlet connects, the bearing bore oil-out at vapor helical-lobe compressor (1) both ends and the oil-feed of Fuel Tanking Unit (3) Mouth connection.
2. vapor screw compressor unit according to claim 1, it is characterised in that:The vapor aspirating air pipe (6) air-breathing screw down nonreturn valve (11) is provided with pipeline, exhaust is provided with the pipeline of the vapor discharge duct (7) and is cut Only check-valves (12).
3. vapor screw compressor unit according to claim 2, it is characterised in that:Oil cooler (4) go out Oil pump (13) is provided with pipeline between the oil inlet of hydraulic fluid port and oil strainer (5).
4. according to the vapor screw compressor unit described in claim 1 or 2 or 3, it is characterised in that:The Fuel Tanking Unit (3) it is provided with pressure-equalizing passageway (14) between the bearing bore at vapor helical-lobe compressor (1) both ends.
5. vapor screw compressor unit according to claim 4, it is characterised in that:The vapor aspirating air pipe (6) water pipeline (15) for being connected with external spray cooling system is provided with.
6. vapor screw compressor unit according to claim 5, it is characterised in that:Fuel Tanking Unit (3) go out For hydraulic fluid port with being provided with temperature-sensing valve (16) on the pipeline of the oil inlet of oil cooler (4), the temperature-sensing valve (16) passes through bypass duct (17) pipeline connection between the oil inlet of the oil-out of oil cooler (4) and oil strainer (5).
7. according to the vapor screw compressor unit described in claim 1 or 2 or 3, it is characterised in that:The oil strainer (5) it is provided with oil on the pipeline between oil-out and the bearing bore oil inlet at vapor helical-lobe compressor (1) both ends and matches somebody with somebody seat (18)。
8. according to the vapor screw compressor unit described in claim 1 or 2 or 3, it is characterised in that:It also includes public bottom Seat (19), the vapor helical-lobe compressor (1), main motor (2), Fuel Tanking Unit (3), oil cooler (4), oil strainer (5) It is installed on public base (19).
9. vapor screw compressor unit according to claim 8, it is characterised in that:On the public base (19) also It is provided with microcomputer control cabinet (20).
10. according to the vapor screw compressor unit described in claim 1 or 2 or 3, it is characterised in that:The Fuel Tanking Unit (3) it is to be made up of in parallel or in series two oil tanks.
CN201720544486.4U 2017-05-12 2017-05-12 Vapor screw compressor unit Active CN206917855U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720544486.4U CN206917855U (en) 2017-05-12 2017-05-12 Vapor screw compressor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720544486.4U CN206917855U (en) 2017-05-12 2017-05-12 Vapor screw compressor unit

Publications (1)

Publication Number Publication Date
CN206917855U true CN206917855U (en) 2018-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720544486.4U Active CN206917855U (en) 2017-05-12 2017-05-12 Vapor screw compressor unit

Country Status (1)

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CN (1) CN206917855U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110115852A (en) * 2019-05-07 2019-08-13 中国科学院理化技术研究所 Organic solvent rectifying recyclable device
CN110671326A (en) * 2019-11-13 2020-01-10 山东钜容重工科技有限公司 Screw type water vapor compressor unit and working method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110115852A (en) * 2019-05-07 2019-08-13 中国科学院理化技术研究所 Organic solvent rectifying recyclable device
CN110671326A (en) * 2019-11-13 2020-01-10 山东钜容重工科技有限公司 Screw type water vapor compressor unit and working method

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