CN110425158A - A kind of evaporator vapour compression machine and working method - Google Patents
A kind of evaporator vapour compression machine and working method Download PDFInfo
- Publication number
- CN110425158A CN110425158A CN201910831076.1A CN201910831076A CN110425158A CN 110425158 A CN110425158 A CN 110425158A CN 201910831076 A CN201910831076 A CN 201910831076A CN 110425158 A CN110425158 A CN 110425158A
- Authority
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- China
- Prior art keywords
- rotor
- primary blades
- blades
- steam
- vapour compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006835 compression Effects 0.000 title claims abstract description 28
- 238000007906 compression Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 12
- 230000005611 electricity Effects 0.000 claims 1
- 238000010025 steaming Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D23/00—Other rotary non-positive-displacement pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/28—Evaporating with vapour compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of evaporator vapour compression machines, including compressor shaft, primary blades rotor and the guided rotor being set on compressor shaft, primary blades rotor outer periphery is uniformly provided with multiple primary blades, guided rotor periphery is uniformly provided with multiple guide blades, and guided rotor is located at the lower section of primary blades rotor, guided rotor lower part is equipped with hemisphere paddy cover, primary blades periphery is equipped with several diffuser vanes, diffuser channel has been correspondingly connected on the outside of diffuser vane, main cover plate is equipped with below primary blades and guide blades, main cover plate top connects diffuser channel, and main cover plate, guided rotor, primary blades rotor and the shield on connect compressor axis top form compressor compresses cavity；Guide blades of the invention are axial-flow type, primary blades be it is centrifugal, have quantity of steam is big, temperature rise is low, compact-sized, less energy consumption, noise is low, plasticity is good and the significant advantage of negative-pressure operation；Using second level split-type design, transport, installation, maintenance and debugging cost have been saved.
Description
Technical field
The present invention relates to Compressor Technology fields, and in particular to a kind of evaporator vapour compression machine and working method.
Background technique
Currently, compressor used in domestic evaporator is all mostly to be compressed based on the centrifugal compressor of Three Yuan theory manufacture
The universal models of machine producer.The design of compressor largely uses aerodynamic model, has difference with working environment used in evaporator
It is different.The particularity of big flow, low-temperature-rise required by evaporator process, low energy consumption and negative-pressure operation is lack of pertinence and is had
The special design of effect property.In addition domestic existing evaporator compressor there is also volumes big, high noise, installation land occupation are big etc. asks
Topic.
The gear-box that number of patent application (201310334649.2) centrifugal vapor compressor uses, causes transmission loss,
Working efficiency is low, and uses centrifugal three-dimensional flow blade, is not suitable for the working environment of evaporator requirement, impeller in documents
Primary blades, leaflet piece and impeller are one of the forming, it has not been convenient to transport installation and maintenance replacement.Therefore, a kind of satisfaction evaporation is designed
The vapour compression machine of big flow, low-temperature-rise, low energy consumption and negative-pressure operation that device technique requires is problem to be solved.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of evaporator vapour compression machine and
Working method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of evaporator vapour compression machine, including pressure
Contracting arbor, the primary blades rotor being set on compressor shaft and guided rotor, the primary blades rotor outer periphery are uniformly provided with multiple
Primary blades, guided rotor periphery is uniformly provided with multiple guide blades, and guided rotor is located at the lower section of primary blades rotor, and guidance turns
Sub- lower part is equipped with hemisphere paddy cover, and primary blades periphery is equipped with several diffuser vanes, has been correspondingly connected with expansion on the outside of diffuser vane
Device channel is dissipated, is equipped with main cover plate below primary blades and guide blades, main cover plate top connects diffuser channel, and main cover plate, draws
The shield for leading rotor, primary blades rotor and connect compressor axis top forms compressor compresses cavity.
Particularly, the compressor shaft top is connected with shield, connects diffuser channel both ends on the inside of shield.
Particularly, steam inlet is formed between the main cover plate, hemisphere paddy cover and guided rotor, and passes through hemisphere paddy cover
It shunts.
Particularly, the diffuser channel uses Integral 90 deg bend, forms steam (vapor) outlet.
Particularly, the guide blades are rotated using axial-flow type, and primary blades use centrifugal rotation.
Particularly, the primary blades and guide blades are split type and independently installed using second level, primary blades and guidance leaf
Piece and primary blades rotor and guided rotor use unlike material.
Particularly, the compressor shaft upper end connects motor shaft.
A kind of working method of evaporator vapour compression machine, comprising the following steps:
1) when vapour compression machine is run, motor drives compressor shaft by motor shaft, makes primary blades rotor and guided rotor
Rotation；
2) steam is shunted by hemisphere paddy cover, and forms steam between main cover plate, hemisphere paddy cover and guided rotor
Entrance enters, and the guide blades of rotation status form axial-flow type working principle, and steam is made to uniformly enter compressor pressure from surrounding
Contracting cavity；
3) then steam improves the pressure of steam under the centrifugal action of primary blades by primary blades, make steam quickly into
Enter diffuser vane；
4) steam is quickly spread and is promoted diffuser channel by diffuser vane, make steam from steam inlet opposite direction
Steam (vapor) outlet discharge.
The invention has the following advantages:
Evaporator of the invention with vapour compression machine guide blades is axial-flow type, primary blades be it is centrifugal, make both vapor compression
Machine is with quantity of steam is big, temperature rise is low, compact-sized, less energy consumption, noise is low, plasticity is good and the significant advantage of negative-pressure operation；It adopts
With second level split-type design, transport, installation, basis maintenance and debugging cost have been saved in split installation design；Using motor shaft
With compressor shaft direct connection, transmission loss is saved, is improved efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of evaporator vapour compression machine.
Fig. 2 is the bottom view of evaporator vapour compression machine.
In figure: 1- compressor shaft；2- primary blades rotor；3- primary blades；4- shield；5- guide blades；6- guided rotor；7-
Hemisphere paddy cover；8- main cover plate；9- diffuser vane；10- diffuser channel.
Specific embodiment
Below with reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
The further details of explanation of site preparation.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of labour.
As shown in Figs. 1-2, a kind of evaporator vapour compression machine including compressor shaft 1, is set on compressor shaft 1
Primary blades rotor 2 and guided rotor 6,2 periphery of primary blades rotor are uniformly provided with multiple primary blades 3, and 6 periphery of guided rotor is uniformly set
There are multiple guide blades 5, and guided rotor 6 is located at the lower section of primary blades rotor 2,6 lower part of guided rotor is equipped with hemisphere paddy cover
7,3 periphery of primary blades is equipped with several diffuser vanes 9, has been correspondingly connected with diffuser channel 10, primary blades on the outside of diffuser vane 9
3 and guide blades 5 below be equipped with main cover plate 8,8 top of main cover plate connect diffuser channel 10, and main cover plate 8, guided rotor 6,
The shield 4 on 1 top of primary blades rotor 2 and connect compressor axis forms compressor compresses cavity.
1 top of compressor shaft is connected with shield 4, connects 10 both ends of diffuser channel on the inside of shield 4；Main cover plate 8, hemisphere paddy
Steam inlet is formed between cover 7 and guided rotor 6, and is shunted by hemisphere paddy cover 7；Diffuser channel 10 uses Integral 90 deg
Bend forms steam (vapor) outlet；Guide blades 5 are rotated using axial-flow type, and primary blades 3 use centrifugal rotation；Primary blades 3 and guidance
Blade 5 is split type and independently installed using second level, and primary blades 3 and guide blades 5 are used with primary blades rotor 2 and guided rotor 6
Unlike material；1 upper end of compressor shaft connects motor shaft, saves transmission loss, improves efficiency.
Evaporator vapour compression machine establishes steam power model, applied thermodynamics, dynamics calculation in product design
Software and its operation process simulation software improve accuracy in computation, by the comprehensive simulation model prediction machine in actual condition
Under performance parameter, with improve machine exploitation success rate, so that electromechanical integration is strengthened.Compressor whole design uses
Axis stream adds centrifugal integrated structure, and ensure that has biggish quantity of steam under lower revolving speed, the working condition of low-temperature-rise.Pressure
The blade of contracting machine uses second level split-type design, guide blades and primary blades, guide blades and guide blades rotor, primary blades
It is seperated individually designed, manufacture with primary blades rotor, and on-site assembly can be carried out at the construction field (site).
When operation, under the action of guide blades 5 rotate, steam is shunted through hemisphere paddy cover, equal from surrounding with axis manifold formula
It is even to enter compressor.Enter primary blades 3 after the guided blade 5 of steam, under the centrifugal action of primary blades 3, the pressure of steam is passed through
Diffuser vane 9 enters diffuser channel 10, is arranged from the steam (vapor) outlet of diffuser channel 10 with the direction opposite with steam inlet
Out.
A kind of working method of evaporator vapour compression machine, comprising the following steps:
1) when vapour compression machine is run, motor drives compressor shaft 1 by motor shaft, turns primary blades rotor 2 and guidance
Son 6 rotates；
2) steam is shunted by hemisphere paddy cover 7, and is formed between main cover plate 8, hemisphere paddy cover 7 and guided rotor 6
Steam inlet enters, and the guide blades 5 of rotation status form axial-flow type working principle, and steam is made to uniformly enter compression from surrounding
Machine compression chamber；
3) and then steam passes through primary blades 3 and improves the pressure of steam under the centrifugal action of primary blades 3, keeps steam quick
Into diffuser vane 9；
4) steam is quickly spread and is promoted diffuser channel 10 by diffuser vane 9, makes steam from opposite with steam inlet
The steam (vapor) outlet in direction is discharged.
The present invention is not limited to the above-described embodiments, anyone should learn that the structure made under the inspiration of the present invention becomes
Change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (8)
1. a kind of evaporator vapour compression machine, which is characterized in that including compressor shaft, the primary blades being set on compressor shaft
Rotor and guided rotor, the primary blades rotor outer periphery are uniformly provided with multiple primary blades, and guided rotor periphery is uniformly provided with multiple
Guide blades, and guided rotor is located at the lower section of primary blades rotor, guided rotor lower part is equipped with hemisphere paddy cover, primary blades periphery
Equipped with several diffuser vanes, it is correspondingly connected with diffuser channel on the outside of diffuser vane, has been set below primary blades and guide blades
There is main cover plate, main cover plate top connects diffuser channel, and main cover plate, guided rotor, primary blades rotor and connect compressor
The shield on axis top forms compressor compresses cavity.
2. evaporator vapour compression machine according to claim 1, which is characterized in that the compressor shaft top is connected with
Shield, shield inside connect diffuser channel both ends.
3. evaporator vapour compression machine according to claim 1, which is characterized in that the main cover plate, hemisphere paddy cover and
Steam inlet is formed between guided rotor, and is shunted by hemisphere paddy cover.
4. evaporator vapour compression machine according to claim 1, which is characterized in that the diffuser channel is using one
90 degree of bends of formula form steam (vapor) outlet.
5. evaporator vapour compression machine according to claim 1, which is characterized in that the guide blades use axial-flow type
Rotation, primary blades use centrifugal rotation.
6. evaporator vapour compression machine according to claim 1, which is characterized in that the primary blades and guide blades are adopted
Split type and independently installed with second level, primary blades and guide blades and primary blades rotor and guided rotor use unlike material.
7. evaporator vapour compression machine according to claim 1, which is characterized in that the compressor shaft upper end connection electricity
Arbor.
8. the working method of -7 any evaporator vapour compression machines according to claim 1, it is characterised in that: including with
Lower step:
1) when vapour compression machine is run, motor drives compressor shaft by motor shaft, rotates primary blades rotor and guided rotor；
2) steam is shunted by hemisphere paddy cover, and forms steam inlet between main cover plate, hemisphere paddy cover and guided rotor
Into the guide blades of rotation status form axial-flow type working principle, and steam is made to uniformly enter compressor compresses chamber from surrounding
Body；
3) and then steam passes through primary blades and improves the pressure of steam under the centrifugal action of primary blades, and steam is made to rapidly enter expansion
Dissipate device blade；
4) steam is quickly spread and is promoted diffuser channel by diffuser vane, makes steam from the steaming with steam inlet opposite direction
Vapor outlet discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831076.1A CN110425158A (en) | 2019-09-04 | 2019-09-04 | A kind of evaporator vapour compression machine and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910831076.1A CN110425158A (en) | 2019-09-04 | 2019-09-04 | A kind of evaporator vapour compression machine and working method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110425158A true CN110425158A (en) | 2019-11-08 |
Family
ID=68417297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910831076.1A Pending CN110425158A (en) | 2019-09-04 | 2019-09-04 | A kind of evaporator vapour compression machine and working method |
Country Status (1)
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| CN (1) | CN110425158A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173683A (en) * | 2006-10-30 | 2008-05-07 | 三菱重工业株式会社 | Centrifugal compressor |
| CN202833328U (en) * | 2012-09-25 | 2013-03-27 | 张晓光 | Axial-flow type steam compressor |
| CN103362863A (en) * | 2013-08-02 | 2013-10-23 | 无锡杰尔压缩机有限公司 | Centrifugal vapor compressor |
| CN107120315A (en) * | 2017-05-16 | 2017-09-01 | 珠海格力电器股份有限公司 | Stator blade, compressor arrangement and compressor |
| CN107725481A (en) * | 2017-10-10 | 2018-02-23 | 山东大学 | A kind of structure and method for improving centrifugal vapor compressor compression ratio |
| CN108843618A (en) * | 2018-04-28 | 2018-11-20 | 西北工业大学 | A kind of plenum member |
| CN210371234U (en) * | 2019-09-04 | 2020-04-21 | 大连天孚环境科技有限公司 | Steam compressor for evaporator |
-
2019
- 2019-09-04 CN CN201910831076.1A patent/CN110425158A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173683A (en) * | 2006-10-30 | 2008-05-07 | 三菱重工业株式会社 | Centrifugal compressor |
| JP2008111369A (en) * | 2006-10-30 | 2008-05-15 | Mitsubishi Heavy Ind Ltd | Centrifugal compressor |
| CN202833328U (en) * | 2012-09-25 | 2013-03-27 | 张晓光 | Axial-flow type steam compressor |
| CN103362863A (en) * | 2013-08-02 | 2013-10-23 | 无锡杰尔压缩机有限公司 | Centrifugal vapor compressor |
| CN107120315A (en) * | 2017-05-16 | 2017-09-01 | 珠海格力电器股份有限公司 | Stator blade, compressor arrangement and compressor |
| CN107725481A (en) * | 2017-10-10 | 2018-02-23 | 山东大学 | A kind of structure and method for improving centrifugal vapor compressor compression ratio |
| CN108843618A (en) * | 2018-04-28 | 2018-11-20 | 西北工业大学 | A kind of plenum member |
| CN210371234U (en) * | 2019-09-04 | 2020-04-21 | 大连天孚环境科技有限公司 | Steam compressor for evaporator |
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