CN209157862U - A kind of supercritical carbon dioxide supply regulator control system - Google Patents
A kind of supercritical carbon dioxide supply regulator control system Download PDFInfo
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- CN209157862U CN209157862U CN201821764934.2U CN201821764934U CN209157862U CN 209157862 U CN209157862 U CN 209157862U CN 201821764934 U CN201821764934 U CN 201821764934U CN 209157862 U CN209157862 U CN 209157862U
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- Prior art keywords
- carbon dioxide
- supercritical carbon
- transfer pipeline
- control system
- regulator control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
- B23Q11/1061—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using cutting liquids with specially selected composition or state of aggregation
Abstract
The utility model discloses a kind of supercritical carbon dioxides to supply regulator control system, including supercritical carbon dioxide generating means and supercritical carbon dioxide output device, stream of supercritical carbon dioxide quantity regulating device is additionally provided between supercritical carbon dioxide generating means and supercritical carbon dioxide output device, supercritical carbon dioxide output device includes discharge nozzle, stream of supercritical carbon dioxide quantity regulating device includes transfer pipeline, stream of supercritical carbon dioxide quantity regulating device is by switching transfer pipeline to adjust flow, the internal diameter of transfer pipeline is less than the internal diameter of discharge nozzle, before conveying supercritical carbon dioxide, meet the flow processing request of supercritical carbon dioxide to it by switching transfer pipeline, by the inner diameter values and length value that change transfer pipeline, the stream of supercritical carbon dioxide amount that system can be realized is adjusted, not only output is stablized, and And low in cost, easy maintenance, this utility model are used for the field of metal processing.
Description
Technical field
The utility model relates to the field of metal processing, supply regulator control system more particularly to a kind of supercritical carbon dioxide.
Background technique
With advancing by leaps and bounds for modern advanced manufacturing technique, all kinds of new materials, new process come into being, to machine cut speed
Degree, more stringent requirements are proposed for cutter life and processing efficiency.Clean manufacturing, green manufacturing have become the advanced manufacture skill of development
One of theme of art.Cutting technology is lubricated using sub-cooled, is had been found to solve the strong cutting heat of high hard high-strength material
Shock and vibration and plastic material cutting are also easy to produce the difficult processing characteristics effective scheme such as machined burrs.
Currently used sub-zero machining technology is main are as follows: (- 179 DEG C) low-temperature cold wind (- 30 DEG C) cooling technology, liquid nitrogen coolings
Technology, liquid carbon dioxide (- 78.5 DEG C) cooling technology etc..Wherein cooled technology uses pressure for 5.0-
The liquid carbon dioxide of 6.5MPa is conveyed by the road and is discharged in spray nozzle front end, can the rapid swelling heat absorption generation-at nozzle
It is cooling to be successfully applied to the cutting of hardworking material for 78.5 DEG C of (theoretical value) low temperature.To need as close possible to its theoretical low-temperature values
Liquid carbon dioxide pressure drop rate inside strict control transfer pipeline, and transfer pipeline need to effectively be kept the temperature, to keep away
Exempt from liquid carbon dioxide in channel interior ice blockage pipeline due to sudden pressure drop.Since cooled technology is above-mentioned
Disadvantage, the technology not yet realizes large scale application at present.
In view of the above-mentioned problems, being obtained in recent years using the cooling and lubricating that supercritical carbon dioxide fluid carries out machining
Concern.The carbon dioxide gas of low pressure is pressurized to 7.4MPA or more by pressure charging system and is warming up to 31.7 DEG C or more,
Carbon dioxide can be in a supercritical state.Supercritical carbon dioxide is ejected, due to supercritical carbon dioxide
The sudden pressure drop of fluid and moment heat absorption expansion, so that jeting area be made to achieve the effect that moment low temperature (- 78.5 DEG C).
Although supercritical carbon dioxide is extracted, etches and was cleaned in pharmaceuticals industry, chemical engineering and semi-conductor industry
It is widely applied in journey, but supercritical carbon dioxide is applied to processing cooling, realize that process temperature with high efficiency is still in deeply
Development phase.Patent ZL200680022912.2 discloses a kind of metal working lubricant method based on supercritical carbon dioxide,
This method is related to mixing lubricant in supercritical carbon dioxide fluid and applies overcritical titanium dioxide in process of metal working
The system of carbon forms.Patent 201710867324.9 discloses a kind of supercritical carbon dioxide central liquid supply system, and describes
Central liquid supply system composition and central fluid supply mode.Different from cooled technology, supercritical carbon dioxide is defeated
Send channel interior that need to maintain pressure more than or equal to 7.4MPa and temperature more than or equal to 31.7 DEG C always, it is overcritical to ensure
CO 2 fluid sudden pressure drop forms cryogenic media.
Existing supercritical carbon dioxide system is related to obtaining supercritical carbon dioxide fluid mode more, it was confirmed that overcritical two
Carbonoxide can be effectively applied to intermetallic composite coating, for how controlling supercritical carbon dioxide output, how ensuring dioxy in pipeline
It is in a supercritical state always and how to control supercritical carbon dioxide injection flow etc. and be not directed to change carbon.
Utility model content
The supercritical carbon dioxide that the purpose of this utility model is to provide a kind of flow controls precisely, conveying stability is strong
Supply regulator control system.
Technical solution adopted in the utility model is:
A kind of supercritical carbon dioxide supply regulator control system, including supercritical carbon dioxide generating means and overcritical dioxy
Change carbon output device, overcritical two are additionally provided between supercritical carbon dioxide generating means and supercritical carbon dioxide output device
Carbonoxide flow regulator, supercritical carbon dioxide output device include the discharging for conveying supercritical carbon dioxide fluid
Pipe, stream of supercritical carbon dioxide quantity regulating device includes transfer pipeline, and stream of supercritical carbon dioxide quantity regulating device passes through switching
For transfer pipeline to adjust flow, the internal diameter of transfer pipeline is less than the internal diameter of discharge nozzle.
Be further used as the improvement of technical solutions of the utility model, stream of supercritical carbon dioxide quantity regulating device further include into
Expect that interconnecting module and discharging interconnecting module, charging interconnecting module connect supercritical carbon dioxide generating means, discharge interconnecting module
Supercritical carbon dioxide output device is connected, further includes that both ends are flexibly connected with charging interconnecting module and discharging interconnecting module respectively
Transfer pipeline.
Be further used as the improvement of technical solutions of the utility model, transfer pipeline is quantitative capillary tube, transfer pipeline it is interior
The value range of bore dia D is 0.05~2mm.
It is further used as the improvement of technical solutions of the utility model, is respectively provided on charging interconnecting module and discharging interconnecting module
One card hole, the both ends of transfer pipeline are equipped with the clamp being detachably connected with card hole.
It is further used as the improvement of technical solutions of the utility model, clamp is in ladder shaft-like, is equipped with and middle tube in clamp
The through-hole that road communicates.
It is further used as the improvement of technical solutions of the utility model, supercritical carbon dioxide output device includes turning with discharging
The end of the connected discharge nozzle of connection module, discharge nozzle is equipped with nozzle, further includes the tracheae being set in outside discharge nozzle, one end of tracheae
It is connected with nozzle, there are cavity between tracheae and discharge nozzle, the other end of tracheae is equipped with air flow inlet.
It is further used as the improvement of technical solutions of the utility model, discharge nozzle is capillary.
It is further used as the improvement of technical solutions of the utility model, further includes secondary air device, secondary air device packet
Auxiliary gas source is included, auxiliary gas source is assisted being additionally provided with valve between gas source and air flow inlet and be added by piping connection air flow inlet
Thermal.
It is further used as the improvement of technical solutions of the utility model, assists being additionally provided with filtering dress between gas source and air flow inlet
It sets.
It is further used as the improvement of technical solutions of the utility model, one end of tracheae is connected with discharging interconnecting module, discharges
Interconnecting module is equipped with the air-flow converting interface being connected with air flow inlet.
The utility model has the beneficial effects that this supercritical carbon dioxide supplies regulator control system, overcritical titanium dioxide is being conveyed
Before carbon, meet the flow of supercritical carbon dioxide to it by stream of supercritical carbon dioxide quantity regulating device switching transfer pipeline
The stream of supercritical carbon dioxide amount tune of system can be realized by changing the inner diameter values or length value of transfer pipeline in processing request
Section, not only output is stablized, but also low in cost, easy maintenance.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is that the supercritical carbon dioxide output device of the utility model embodiment and stream of supercritical carbon dioxide amount are adjusted
The schematic diagram of device；
Fig. 3 is the structural schematic diagram of the stream of supercritical carbon dioxide quantity regulating device of the utility model embodiment；
Fig. 4 is that the supercritical carbon dioxide output device of the utility model embodiment and stream of supercritical carbon dioxide amount are adjusted
The perspective view of the explosion of device.
Specific embodiment
Referring to Fig.1~Fig. 4, the utility model are that a kind of supercritical carbon dioxide supplies regulator control system, including overcritical two
Aoxidize carbon generating apparatus 1 and supercritical carbon dioxide output device 2, supercritical carbon dioxide generating means 1 and overcritical dioxy
Change and be additionally provided with stream of supercritical carbon dioxide quantity regulating device 3 between carbon output device 2, supercritical carbon dioxide output device 2 wraps
The discharge nozzle 21 for conveying supercritical carbon dioxide fluid is included, stream of supercritical carbon dioxide quantity regulating device 3 includes middle tube
Road 31, stream of supercritical carbon dioxide quantity regulating device 3 is by switching transfer pipeline 31 to adjust flow, the internal diameter of transfer pipeline 31
Less than the internal diameter of discharge nozzle 21.
Specifically, supercritical carbon dioxide generating means 1 are used to the carbon dioxide transitions of low pressure be overcritical titanium dioxide
Carbon flow body mainly includes carbon dioxide source 11, supercharging device 12, storage container 13, heater 14, transfer pipeline and is arranged defeated
Send the controlled valve etc. on pipeline.Supercharging device 12 is used to carry out pressurizing action to low pressure CO 2.To guarantee overcritical two
Carbon oxide fluid state and property, carbon dioxide pressurization upper limit value are set in 7.5~30MPa, and are pressurized upper limit value according to practical
It is adjustable to cut application demand.Heater 14 is for carrying out heating movement to pressurized carbon dioxide.To guarantee overcritical dioxy
Supercritical carbon dioxide fluid state and property needed for changing carbon cooling and lubricating system, 14 heating upper limit of heater are set in
31.7~100 DEG C, and heating upper limit value is adjustable according to actual cut application demand.
As the utility model preferred embodiment, stream of supercritical carbon dioxide quantity regulating device 3 further includes that charging turns
Connection module 32 and discharging interconnecting module 33, charging interconnecting module 32 connect supercritical carbon dioxide generating means 1, feed switching model
Block 32 is specifically to connect with the transfer pipeline of supercritical carbon dioxide generating means 1, charging interconnecting module 32 and discharging switching model
The runner for supercritical carbon dioxide to be connected is equipped in block 33, and the both ends of runner are respectively provided with connection other component
Connection structure, connection structure can be screw thread.It is specifically defeated with supercritical carbon dioxide generating means 1 for feeding interconnecting module 32
It send and is additionally provided with seal nipple 34 between pipeline, for preventing supercritical carbon dioxide from leaking.
The interconnecting module 33 that discharges connects supercritical carbon dioxide output device 2, and discharge interconnecting module 33 and overcritical dioxy
Change carbon output device 2 between also be provided with seal nipple 34, further include both ends respectively with charging interconnecting module 32 and discharge switching model
The transfer pipeline 31 that block 33 is flexibly connected.
As the utility model preferred embodiment, transfer pipeline 31 is quantitative capillary tube, and quantitative capillary tube, which has, to be protected
The function of pressure, the value range of the diameter of bore D of transfer pipeline 31 are 0.05~2mm, and quantitative capillary tube road adjusts overcritical two
Oxidation carbon flow mode is to realize that stream of supercritical carbon dioxide amount is adjustable by replacement different inner diameters and the quantitative capillary tube of length
Range are as follows: 0.1~20kg/h.
The internal diameter of transfer pipeline 31 arranges 0.05~2mm, and the carbon dioxide viscosity under liquid condition is approximately equal to 0.0127.
It is calculated in conjunction with supercritical carbon dioxide density it is found that Reynolds number at this time is smaller, the influence of viscous force stream field is greater than inertia, stream
The disturbance of flow velocity can decay because of viscous force in, and fluid flowing is stablized, and be laminar flow.And the laminar flow can be generated in flowing it is larger
Interior friction, leads to energy loss, to reduce fluid flow rate.With this theorem, the stream of supercritical carbon dioxide may be implemented
Speed control then realizes the control of supercritical carbon dioxide output flow by coutroi velocity.
As the utility model preferred embodiment, feeds and be equipped with one on interconnecting module 32 and discharging interconnecting module 33
Card hole, card hole are connected to respective runner, and the both ends of transfer pipeline 31 are equipped with the clamp 311 being detachably connected with card hole.
As the utility model preferred embodiment, clamp 311 is in ladder shaft-like, is equipped with and middle tube in clamp 311
The through-hole that road 31 communicates, one end of clamp 311 in coniform, it is easy to demolition and with charging interconnecting module 32 and the interconnecting module that discharges
The centering in the channel in 33.
Specifically, clamp 311 primarily serves the sealing function at switching position, and clamp 311 can be directly embedded into card hole, with
Card hole interference or transition fit, to realize that the plug of clamp 311 or clamp 311 and card hole are equipped with mutually matched spiral shell
Line is detachably connected to realize, to realize the switching of the quantitative capillary tube of different size, increases the length of quantitative capillary tube,
The tube wall contact area of fluid and quantitative capillary tube can be made to become larger, to reduce the kinetic energy of fluid, reaching reduces flow velocity
Effect.
As the utility model preferred embodiment, supercritical carbon dioxide output device 2 includes and discharging switching model
The connected discharge nozzle 21 of block 33, the end of discharge nozzle 21 are equipped with nozzle 22, and nozzle 22 uses multiple flow passages structure, can allow to be passed through
Supercritical carbon dioxide fluid, while micro lubricating oil circuit and auxiliary gas can also be accessed.It further include being set in outside discharge nozzle 21
Tracheae 41, one end of tracheae 41 is connected with nozzle 22, and there are cavity, the other ends of tracheae 41 between tracheae 41 and discharge nozzle 21
Equipped with air flow inlet.
Specifically, air flow inlet can be passed through auxiliary gas, auxiliary gas has certain temperature after heating in advance, assists gas
Body enters in tracheae 41, is wrapped in discharge nozzle 21, it is therefore an objective to the supercritical carbon dioxide in discharge nozzle 21 be prevented to be transmitted across
Heat has loss in journey, avoids the pressure change of supercritical carbon dioxide, and then change the supercriticality of carbon dioxide.Auxiliary
Before gas guarantees that the high-pressure carbon dioxide in supercritical carbon dioxide output pipe is ejected through special nozzle 22, temperature
Value is in always or within the scope of above-critical state required temperature value, ensure that supercritical carbon dioxide fluid property and surpasses and faces
Boundary's carbon dioxide performance plays.And gas is assisted finally to spray outward at nozzle 22, it is also possible to prevent supercritical carbon dioxide
During injection, freeze at nozzle 22, and then plug nozzle 22.Assist gas in addition to other than compressed air, it can also be with
With other gases, such as nitrogen, inert gas.
As the utility model preferred embodiment, discharge nozzle 21 is capillary, the diameter of bore value of discharge nozzle 21
Range is 0.05~2mm, and compared to conventional pressure-resistant refrigerant pipe or steel pipe, capillary realizes supercritical carbon dioxide output
When pressure drop rate effectively control.
It further include secondary air device 4 as the utility model preferred embodiment, secondary air device 4 includes auxiliary
Gas source 42 is helped, auxiliary gas source 42 assists being additionally provided with valve 43 between gas source 42 and air flow inlet by piping connection air flow inlet
With heating device 44, heating device 44 is used to heat auxiliary gas.It is additionally provided between auxiliary gas source 42 and air flow inlet
Filter device.
As the utility model preferred embodiment, one end of tracheae 41 is connected with discharging interconnecting module 33, and discharging turns
Connection module 33 is equipped with the air-flow converting interface being connected with air flow inlet, and one end of air-flow converting interface connects air flow inlet, another
The outlet pipe of end connection secondary air device 4, realizes the switching of secondary air.
In addition, be additionally provided with control device 5 in the utility model, control device 5 and supercritical carbon dioxide generating means 1,
Supercritical carbon dioxide output device 2, secondary air device 4 are electrically connected, and control device 5 is for controlling heater 14, adding
Solenoid valve etc. in thermal 44 and pipeline, control device 5 can also each position of real-time monitoring supercritical carbon dioxide shape
State, such as pressure and temperature.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent deformation or replacement can be also made under the premise of utility model spirit, these equivalent deformations or replacement are all contained in the application
In claim limited range.
Claims (10)
1. a kind of supercritical carbon dioxide supplies regulator control system, it is characterised in that: including supercritical carbon dioxide generating means and
Supercritical carbon dioxide output device, between the supercritical carbon dioxide generating means and supercritical carbon dioxide output device
It is additionally provided with stream of supercritical carbon dioxide quantity regulating device, the supercritical carbon dioxide output device includes overcritical for conveying
The discharge nozzle of CO 2 fluid, the stream of supercritical carbon dioxide quantity regulating device include transfer pipeline, and described overcritical two
Carbonoxide flow regulator adjusts flow by switching the transfer pipeline, and the internal diameter of the transfer pipeline is less than discharge nozzle
Internal diameter.
2. supercritical carbon dioxide according to claim 1 supplies regulator control system, it is characterised in that: the overcritical dioxy
Changing carbon flow quantity regulating device further includes charging interconnecting module and discharging interconnecting module, the charging interconnecting module connection overcritical two
Aoxidize carbon generating apparatus, discharging interconnecting module connection supercritical carbon dioxide output device, further include both ends respectively with into
Expect the transfer pipeline of interconnecting module and the interconnecting module flexible connection that discharges.
3. supercritical carbon dioxide according to claim 2 supplies regulator control system, it is characterised in that: the transfer pipeline is
Quantitative capillary tube, the value range of the diameter of bore D of the transfer pipeline are 0.05~2mm.
4. supercritical carbon dioxide according to claim 2 supplies regulator control system, it is characterised in that: the charging switching model
On block and discharging interconnecting module it is respectively provided with a card hole, the both ends of the transfer pipeline are equipped with to be detachably connected with the card hole
Clamp.
5. supercritical carbon dioxide according to claim 4 supplies regulator control system, it is characterised in that: the clamp is in ladder
Shaft-like is equipped with the through-hole communicated with transfer pipeline in the clamp.
6. supercritical carbon dioxide according to claim 2 supplies regulator control system, it is characterised in that: the discharge nozzle with go out
Expect that interconnecting module is connected, it further includes the tracheae being set in outside the discharge nozzle, the gas that the end of the discharge nozzle, which is equipped with nozzle,
One end of pipe is connected with the nozzle, and there are cavity between the tracheae and discharge nozzle, the other end of the tracheae is equipped with air-flow
Entrance.
7. supercritical carbon dioxide according to claim 6 supplies regulator control system, it is characterised in that: the discharge nozzle is hair
Tubule.
8. supercritical carbon dioxide according to claim 6 supplies regulator control system, it is characterised in that: further include secondary air
Device, the secondary air device include auxiliary gas source, and the auxiliary gas source passes through piping connection air flow inlet, the auxiliary gas
Valve and heating device are additionally provided between source and air flow inlet.
9. supercritical carbon dioxide according to claim 8 supplies regulator control system, it is characterised in that: the auxiliary gas source and
Filter device is additionally provided between air flow inlet.
10. supercritical carbon dioxide according to claim 6 supplies regulator control system, it is characterised in that: the one of the tracheae
End is connected with discharging interconnecting module, and the discharging interconnecting module is equipped with the air-flow converting interface being connected with the air flow inlet.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821764934.2U CN209157862U (en) | 2018-10-29 | 2018-10-29 | A kind of supercritical carbon dioxide supply regulator control system |
| KR1020217016106A KR20210105341A (en) | 2018-10-29 | 2019-05-24 | Supercritical carbon dioxide supply control system and process |
| PCT/CN2019/088288 WO2020087918A1 (en) | 2018-10-29 | 2019-05-24 | Supercritical carbon dioxide supply regulation and control system and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821764934.2U CN209157862U (en) | 2018-10-29 | 2018-10-29 | A kind of supercritical carbon dioxide supply regulator control system |
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| Publication Number | Publication Date |
|---|---|
| CN209157862U true CN209157862U (en) | 2019-07-26 |
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ID=67335654
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821764934.2U Active CN209157862U (en) | 2018-10-29 | 2018-10-29 | A kind of supercritical carbon dioxide supply regulator control system |
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| CN (1) | CN209157862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318044A (en) * | 2018-10-29 | 2019-02-12 | 广州汇专工具有限公司 | A kind of supercritical carbon dioxide supply regulator control system |
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2018
- 2018-10-29 CN CN201821764934.2U patent/CN209157862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318044A (en) * | 2018-10-29 | 2019-02-12 | 广州汇专工具有限公司 | A kind of supercritical carbon dioxide supply regulator control system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200226 Address after: 510663 the first and second floors of gate machine building (Block C), Pinyao Electronic Industrial Park, No. 8, Yuner Road, south of Science City, Guangzhou high tech Industrial Development Zone, Guangdong Province Co-patentee after: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. GUANGZHOU BRANCH Patentee after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Address before: 510663, Guangdong, Guangzhou hi tech Industrial Development Zone, science, South Road, No. two, No. 8, Yao electronics industrial park gate building (C block), first and two floors Co-patentee before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Patentee before: CONPROFE GREEN TOOLS Co.,Ltd. |
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| TR01 | Transfer of patent right |