CN207795692U - A kind of centrifugal compressor with water injector - Google Patents
A kind of centrifugal compressor with water injector Download PDFInfo
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- CN207795692U CN207795692U CN201721401456.4U CN201721401456U CN207795692U CN 207795692 U CN207795692 U CN 207795692U CN 201721401456 U CN201721401456 U CN 201721401456U CN 207795692 U CN207795692 U CN 207795692U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
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- 238000012423 maintenance Methods 0.000 abstract description 5
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of centrifugal compressors with water injector, casing including centrifugal compressor, casing can axial admission also radial air inlet, using radial exhaust mode, multistage bend is set in casing, it further include water injector, water injector includes water supply pump, water supply pump is connected to multiple arc-shaped feed pipes by water pipe, each arc-shaped feed pipe is laid in outside the casing of every grade of corner, multiple arc-shaped feed pipes are distributed along the axial direction of casing, the multiple water supply straight tubes of radially inside connection of arc-shaped feed pipe, water supply straight tube passes radially through the casing of corner and extend into corner, the water outlet of water supply straight tube installs nozzle, nozzle can on-line cleaning, it checks, it replaces.The utility model uses water injector to realize that the purpose for reducing compressor exhaust temperature can single layer arrangement, saving unit hall space, the investment of reduction workshop and maintenance cost without arranging intercooler by being classified heat absorption mode of spraying water.
Description
Technical field
The utility model belongs to field of fluid machinery, is related to a kind of centrifugal compressor, and in particular to a kind of band water injector
Centrifugal compressor.
Background technology
In the experimental provisions such as industrial flow device and wind-tunnel, centrifugal compressor is core key equipment, be industrial flow,
The normal operation of the devices such as wind tunnel experiment provides power.By taking wind tunnel experiment as an example, wind tunnel experiment be in aircraft development work not
The component part that can lack, with the fast development of measuring technology, wind tunnel experiment all plays more next in dual-use field
More important role.Bleeder wind-tunnel is one of which common type, and centrifugal compressor is exactly bleeder wind-tunnel exhaust system
Important component, effect are to maintain wind tunnel test long-play under negative pressure state.
Currently, pumping wind tunnel experiment is higher and higher to negative pressure state requirement, for example wind tunnel experiment requires simulated pressure to reach
15kPa (A) requires air extraction compressor that the air in wind tunnel experiment cabin is discharged into atmospheric environment after 15kPa (A) pressurizations
In.At this point, if centrifugal compressor cold in being used without, wind turbine delivery temperature is often at 200 DEG C or more, the high temperature of discharge
On the one hand gas causes thermal pollution, on the other hand also influence the safety and steady operation of unit, thus needs using band cooling during rolling
The centrifugal compressor of device, although the compressor of this form reduces delivery temperature, arrangement intercooler needs occupy compared with
Large space, and compressor set needs rebuilding, and this increases workshop investment, and to consume a large amount of cooling waters, even if water is to follow
Ring utilizes, it is also desirable to have cooling tower and have the dissipation loss of considerable recirculated cooling water.
Invention content
For the defects in the prior art and insufficient, the utility model provides a kind of centrifugal compressed with water injector
Machine overcomes in existing centrifugal compressor and arranges intercooler, takes up space big, need to configure intercooler and be coupled pipeline, and
Consume the defect of a large amount of cooling waters.
In order to achieve the above objectives, the utility model takes the following technical solution：
A kind of centrifugal compressor with water injector includes the casing of centrifugal compressor, multistage bend is set in casing, is also wrapped
Water injector is included, water injector includes water supply pump, and water supply pump is connected to multiple arc-shaped feed pipes by water pipe, each arc-shaped confession
Water pipe is laid in outside the casing of every grade of corner, and multiple arc-shaped feed pipes are distributed along the axial direction of casing, arc-shaped feed pipe
Multiple water supply straight tubes are radially inside connected to, water supply straight tube passes radially through the casing of corner and extend into corner, supplies water straight
The water outlet of pipe installs nozzle.
The utility model also has following distinguishing feature：
The water supply straight tube includes that external water supply straight tube and private water supply straight tube, external water supply straight tube are located at outside casing,
Private water supply straight tube stretches into casing.
The upper orifice of the external water supply straight tube is connected to the arc-shaped feed pipe, the lower nozzle of external water supply straight tube
Welded flange.
The upper orifice external welding end plate of the private water supply straight tube, end plate are bolted on outside casing, described interior
The lower nozzle of portion's water supply straight tube is connected through a screw thread nozzle.
The lower nozzle of the external water supply straight tube is connected to the sealing of the upper orifice of private water supply straight tube, and the flange is logical
It crosses stay bolt and is fixedly connected with the end plate and casing.
The arc-shaped feed pipe is four/three-arc shape, and the water supply straight tube is four, and two neighboring water supply
It is laid on the inside of arc-shaped feed pipe at 90 degree of angles between straight tube.
The bend is two-stage bend, and the arc-shaped feed pipe is two.
It is fitted with regulating valve on the water pipe that each annular feed pipe is connected to.
Filter and pressure reducing valve are installed on the water pipe of the water outlet connection of the water supply pump.
Softened water equipment is installed on the water pipe of the water inlet connection of the water supply pump.
Compared with prior art, beneficial has the technical effect that the utility model：
The centrifugal compressor with water injector of the utility model, can axial admission also radial air inlet, be vented as radial direction
Exhaust mode, the utility model can be used as pumping wind-tunnel centrifugal compressor, be also applicable in other technological processes, using spray
Water installations realize the purpose for reducing compressor exhaust temperature by classification water spray heat absorption mode, and compressor porting quantity is few,
Without arranging intercooler, no intercooler connecting pipe, also without corresponding pipeline and cooler fluid resistance loss, pressure
Contracting unit can single layer arrangement, save unit hall space, reduce workshop investment and maintenance cost, the centrifugal compressed of the utility model
Machine floor space is smaller than the centrifugal compressor without charge air cooler, and wasted work and efficiency are suitable with the centrifugal compressor with charge air cooler, are
It is a kind of it is compact-sized, maintenance part is few, floor space is small, efficient, easy-operating novel centrifugal compressor, be also applicable in other
During field needs the centrifugal compressor for controlling temperature to design.
The utility model reduces the compressor second level and subsequent stages inlet temperature, and impeller unit wasted work is made to reduce, though
So water spray is so that gas flows at different levels are increased slightly, and after system considers, compressor wasted work can at least reduce by 3~5%, can be effectively real
Show energy-saving and controls compressor exhaust temperature.
For needing two sets or mostly set unit occasion used in parallel, the softened water equipment and water pump of water spray unit can be independent
Setting, can also be using two sets or by the way of more set compressors are shared.It, can be with for the wider applicable cases of operating mode variation range
Sparge pipe regulating valves at different levels are interlocked with compressor exhaust temperature, realize spray flow automatic adjustments at different levels to maintain to compress
Machine delivery temperature is stablized.The utility model structure with configure simple, compact, maintenance is convenient, manufacturing cost is low, occupy little space,
It is energy-saving, high-temperature exhaust air thermal pollution caused by environment is avoided, while reducing compressor body temperature and power house environment
Temperature optimizes workshop internal environment, extends service life of equipment.
Description of the drawings
Overall structure diagram when Fig. 1 is utility model works；
Overall structure front view when Fig. 2 is utility model works；
Fig. 3 is the A-A sectional views of Fig. 2 of the utility model；
Fig. 4 is the sectional view of the mounting structure of the water injector of the utility model；
Fig. 5 is the scheme of installation of the water supply straight tube of the utility model；
Each label is expressed as in figure:1- casings, 2- bends, 3- water injectors, the outsides 4- water supply straight tube, 5- private water supplies
Straight tube, 6- flanges, 7- end plates, 8- bolts, 10- stay bolts, 11- regulating valves, 12- filters, 13- pressure reducing valves, 14- softened waters are set
It is standby, 15- partition boards, 16- impellers, 17- main shafts, 18- spring bearings, 19- thrust bearings, 20- inlet plenums；
3-1- water supply pumps, 3-2- water pipes, the arc-shaped feed pipes of 3-3-, 3-4- water supply straight tubes, 3-5- nozzles.
The utility model is illustrated below in conjunction with specification drawings and specific embodiments.
Specific implementation mode
As shown in Figures 1 to 5, a kind of centrifugal compressor with water injector includes the partition board 15 of centrifugal compressor, impeller
16, main shaft 17, spring bearing 18, thrust bearing 19, inlet plenum 20 and casing 1 set multistage bend 2 in casing 1, further include water spray
Device 3, water injector 3 include water supply pump 3-1, and water supply pump 3-1 is connected to multiple arc-shaped feed pipe 3-3 by water pipe 3-2, each
Arc-shaped feed pipe 3-3 is laid in outside the casing 1 at every grade of bend 2, and reduction compressor is realized by classification water spray heat absorption mode
Delivery temperature, multiple arc-shaped feed pipe 3-3 are distributed along the axial direction of casing 1, and the radially inside connection of arc-shaped feed pipe 3-3 is more
A water supply straight tube 3-4, water supply straight tube 3-4 pass radially through the casing 1 at bend 2 and extend at bend 2, water supply straight tube 3-4
Water outlet installation nozzle 3-5.The water mist that nozzle 3-5 sprays is mixed with the high-temperature gas for flowing through bend 2, water mist evaporation endothermic
Mixed gas temperature is set to reduce by 20~30 DEG C, the centrifugal compressor with water injector of the utility model is filled using water spray
It sets 3 and realizes that the purpose for reducing compressor exhaust temperature can be single without arranging intercooler by classification water spray heat absorption mode
Layer arrangement saves unit hall space, reduces workshop investment and maintenance cost, floor space and the centrifugal compressed without charge air cooler
Machine is suitable, and wasted work and efficiency are close with the centrifugal compressor with charge air cooler, are that a kind of floor space is small, efficient, easy-operating
Novel centrifugal compressor.
In compliance with the above technical solution, specific embodiment of the utility model is given below, it should be noted that this practicality is new
Type is not limited to following specific examples, and it is new that all equivalent transformations made on the basis of the technical solutions of the present application each falls within this practicality
The protection domain of type.The utility model is described in further details with reference to embodiment.
Embodiment 1：
As shown in Figures 1 to 5, a kind of centrifugal compressor with water injector includes the partition board 15 of centrifugal compressor, impeller
16, main shaft 17, spring bearing 18, thrust bearing 19, inlet plenum 20 and casing 1 in the present embodiment, set two-stage bend in casing 1
2, further include water injector 3, water injector 3 includes water supply pump 3-1, and water supply pump 3-1 is arc-shaped by water pipe 3-2 connections two
Feed pipe 3-3, each arc-shaped feed pipe 3-3 are laid in outside the casing 1 at every grade of bend 2, two arc-shaped feed pipe 3-3
Along the axial direction distribution of casing 1, the edges radially inside connection multiple water supply straight tube 3-4, water supply straight tube 3-4 of arc-shaped feed pipe 3-3
It radially across the casing 1 at bend 2 and extend at bend 2, the water outlet installation nozzle 3-5 of water supply straight tube 3-4.Specifically,
In the present embodiment, arc-shaped feed pipe 3-3 is four/three-arc shape, and in the present embodiment, water supply straight tube 3-4 is four, and
It is laid on the inside of arc-shaped feed pipe 3-3 at 90 degree of angles between two neighboring water supply straight tube 3-4.To which nozzle 3-5 is uniform
It is distributed in bend 2 one weeks, more efficient reduction delivery temperature.
It is located at specifically, water supply straight tube 3-4 includes external water supply straight tube 4 and private water supply straight tube 5, external water supply straight tube 4
Outside casing 1, private water supply straight tube 5 stretches into casing 1.On the one hand external water supply straight tube 4 and private water supply straight tube 5 are used to supply
On the other hand water can set up arc-shaped feed pipe 3-3 and outside the casing 1 that is fixed at bend 2.
In the present embodiment, the upper orifice of external water supply straight tube 4 is connected to the arc-shaped feed pipe 3-3, for supplying water, outside
External water supply straight tube 4 can be fixedly connected on internal confession by the lower nozzle welded flange 6 of portion's water supply straight tube 4,6 one side of flange
On the other hand external water supply straight tube 4 can be fixed on outside casing 1 by the upper orifice of water straight tube 5.
Specifically, the upper orifice external welding end plate 7 of private water supply straight tube 5, end plate 7 is fixed on casing 1 by bolt 8
Outside, 7 one side of end plate is used to the upper orifice of private water supply straight tube 5 being fixed on casing 1, is on the other hand used to be fixedly connected
The lower nozzle of the lower nozzle of external water supply straight tube 4, private water supply straight tube 5 is connected through a screw thread nozzle 3-5, for spraying water,
Nozzle 3-5 can on-line cleaning, inspection, replacement.
The lower nozzle of external water supply straight tube 4 is connected to the sealing of the upper orifice of private water supply straight tube 5, realizes water supply work(
Can, flange 6 is fixedly connected with end plate 7 and casing 1 by stay bolt 10, and external water supply straight tube 4 and the sealing of private water supply straight tube 5 are connected
Lead to and is sealingly fastened in casing 1.
Embodiment 2：
The present embodiment is installed on the basis of embodiment 1 on the water pipe 3-2 that each arc-shaped feed pipe 3-3 is connected to
There are regulating valve 11, regulating valve 11 so that flow is sent to the spray at bends 2 at different levels with appropriate pressure for carrying out throttling pressure regulation to flow
Head 3-5.
Filter 12 and pressure reducing valve 13 are installed on the water pipe 3-2 of the water outlet connection of water supply pump 3-1, filter 12 is to water
Stream is further purified, and pressure reducing valve 13 can adjust inflow；It is installed on the water pipe 3-2 of the water inlet connection of water supply pump 3-1
There are softened water equipment 14, softened water equipment 14 that can dispel calcium, magnesium, sodium plasma in water, reduces the water hardness, prevent compressor
Runner generates fouling because of long-term water spray.
Claims (9)
1. a kind of centrifugal compressor with water injector includes the casing (1) of centrifugal compressor, multistage bend is set in casing (1)
(2), which is characterized in that further include water injector (3), water injector (3) includes water supply pump (3-1), and water supply pump (3-1) passes through water
It manages (3-2) and is connected to multiple arc-shaped feed pipes (3-3), each arc-shaped feed pipe (3-3) is laid in the machine at every grade of bend (2)
Outside, multiple arc-shaped feed pipes (3-3) are along the axial direction distribution of casing (1), and arc-shaped feed pipe (3-3) is radially inside for shell (1)
Multiple water supply straight tubes (3-4) are connected to, water supply straight tube (3-4) passes radially through the casing (1) at bend (2) and extend into bend
(2) at, the water outlet installation nozzle (3-5) of water supply straight tube (3-4).
2. the centrifugal compressor with water injector as described in claim 1, which is characterized in that water supply straight tube (3-4) packet
External water supply straight tube (4) and private water supply straight tube (5) are included, external water supply straight tube (4) is located at casing (1) outside, and private water supply is straight
Pipe (5) stretches into casing (1).
3. the centrifugal compressor with water injector as claimed in claim 2, which is characterized in that the external water supply straight tube (4)
Upper orifice be connected to the arc-shaped feed pipe (3-3), the lower nozzle welded flange (6) of external water supply straight tube (4)；
The upper orifice external welding end plate (7) of the private water supply straight tube (5), end plate (7) are fixed on casing by bolt (8)
(1) outside, the lower nozzle of the private water supply straight tube (5) is connected through a screw thread nozzle (3-5).
4. the centrifugal compressor with water injector as claimed in claim 3, which is characterized in that the external water supply straight tube (4)
The upper orifice sealing of lower nozzle and private water supply straight tube (5) be connected to, the flange (6) passes through the fixed company of stay bolt (10)
Connect the end plate (7) and casing (1).
5. the centrifugal compressor with water injector as described in claim 1, which is characterized in that the arc-shaped feed pipe (3-
3) it is four/three-arc shape, the water supply straight tube (3-4) is four, and at nine between two neighboring water supply straight tube (3-4)
Ten degree of angles are laid on the inside of arc-shaped feed pipe (3-3).
6. the centrifugal compressor with water injector as described in claim 1, which is characterized in that the bend (2) is that two-stage is curved
Road (2), the arc-shaped feed pipe (3-3) are two.
7. the centrifugal compressor with water injector as described in claim 1, which is characterized in that each arc-shaped feed pipe
It is fitted with regulating valve (11) on the water pipe (3-2) that (3-3) is connected to.
8. the centrifugal compressor with water injector as described in claim 1, which is characterized in that water supply pump (3-1's) goes out
Filter (12) and pressure reducing valve (13) are installed on the water pipe (3-2) of mouth of a river connection.
9. the centrifugal compressor with water injector as described in claim 1, which is characterized in that the water supply pump (3-1) into
Softened water equipment (14) is installed on the water pipe (3-2) of mouth of a river connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401456.4U CN207795692U (en) | 2017-10-27 | 2017-10-27 | A kind of centrifugal compressor with water injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721401456.4U CN207795692U (en) | 2017-10-27 | 2017-10-27 | A kind of centrifugal compressor with water injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795692U true CN207795692U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721401456.4U Active CN207795692U (en) | 2017-10-27 | 2017-10-27 | A kind of centrifugal compressor with water injector |
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| Country | Link |
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| CN (1) | CN207795692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761947A (en) * | 2019-11-04 | 2021-05-07 | 康普莱斯压缩技术(苏州)有限公司 | Screw compressor |
-
2017
- 2017-10-27 CN CN201721401456.4U patent/CN207795692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761947A (en) * | 2019-11-04 | 2021-05-07 | 康普莱斯压缩技术(苏州)有限公司 | Screw compressor |
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