CN107971299A - A kind of supercritical carbon dioxide cleaning equipment and its cleaning method - Google Patents
A kind of supercritical carbon dioxide cleaning equipment and its cleaning method Download PDFInfo
- Publication number
- CN107971299A CN107971299A CN201711405985.6A CN201711405985A CN107971299A CN 107971299 A CN107971299 A CN 107971299A CN 201711405985 A CN201711405985 A CN 201711405985A CN 107971299 A CN107971299 A CN 107971299A
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- supply
- carbon dioxide
- cleaning
- pressure
- organization
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Cleaning In General (AREA)
Abstract
The present invention provides a kind of supercritical carbon dioxide cleaning equipment, including wiper mechanism, heating arrangements, cooling body, pressure organization of supply, carbon dioxide organization of supply, collecting mechanism, check valve, throttle valve, first control device and second control device；The carbon dioxide organization of supply is connected with the cooling body gas circuit, and the cooling body is connected with the pressure organization of supply gas circuit, and the pressure organization of supply is connected by the check valve with the wiper mechanism gas circuit；The heating arrangements are used to heat the gas circuit between the wiper mechanism and the pressure organization of supply；The wiper mechanism is connected by the throttle valve with the collecting mechanism；The first control device is electrically connected with the pressure organization of supply and the cooling body, and the second control device is electrically connected with the heating arrangements, and second control mechanism is electrically connected with the wiper mechanism.
Description
Technical field
The present invention relates to supercritical carbon dioxide fluid cleaning technique, more particularly to a kind of cleaning of supercritical carbon dioxide to set
Standby and its cleaning method.
Background technology
Supercritical fluid technique is widely used in food production because the features such as its is easy to operate, pollution-free, selectivity is good
Industry, medical pharmacy, dairy industry, tobacco, oil, agricultural industry, environmental protection etc..Supercritical carbon dioxide fluid technology is new
The Environment protection cleaning technology of type practicality, it has larger density, permeability strong and good mass transfer ability, viscosity and surface
Power is relatively low.
But current supercritical carbon dioxide cleaning equipment, there are segmental defect, in structure, its is complicated, gas circuit
Connect that cumbersome and when being cleaned operational efficiency is not high, and cleaning structure assembling is time-consuming especially when replacement is when clear thing；
In cleaning, when taking out carbon dioxide after thing to be cleaned and supercritical carbon dioxide reaction, because by ambient temperature and gas
Pressure influences, and the physical property of supercritical carbon dioxide is converted into gaseous state from Supercritical Conditions so that its solubility declines, former
The part dirt of this dissolving can be re-attached on thing to be cleaned, reduce the clean level of cleaning.
The content of the invention
It is an object of the invention to overcome the shortcomings of the prior art, there is provided a kind of supercritical carbon dioxide cleaning is set
It is standby including wiper mechanism, heating arrangements, cooling body, pressure organization of supply, carbon dioxide organization of supply, collecting mechanism, unidirectional
Valve, throttle valve, first control device and second control device；
The carbon dioxide organization of supply is connected with the cooling body gas circuit, and the cooling body is supplied with the pressure
Mechanism gas circuit connection, the pressure organization of supply are connected by the check valve with the wiper mechanism gas circuit；The heater
Structure is used to heat the gas circuit between the wiper mechanism and the pressure organization of supply；The wiper mechanism passes through the throttle valve
It is connected with the collecting mechanism；The first control device is electrically connected with the pressure organization of supply and the cooling body
Connect, the second control device is electrically connected with the heating arrangements, and second control mechanism is electrically connected with the wiper mechanism.
As a further improvement, the cooling body includes refrigerator and the first fan；Wherein, first fan is used for
Air-flow is transferred to the refrigerator；The pressure organization of supply includes high-pressure pump, high-pressure pump driving motor, high pressure revolution speed control
Device and gas pressure detector processed；Wherein, the high-pressure pump driving motor is connected with the high-pressure pump；The high pressure revolution speed control
Device processed controls the working speed of the high-pressure pump driving motor；The gas pressure detector is connected with the output channel of the high-pressure pump
Connect, for detecting the output pressure of the high-pressure pump；The first control device includes the first controller and the first operator control panel, its
In, first controller respectively with the high-pressure pump driving motor, the gas pressure detector, the motor speed controller,
First operator control panel is electrically connected.
As a further improvement, the heating arrangements include the second fan, the first connecting pipe, heating pipe, the first company
Fitting and adding thermal resistance, wherein, the first connecting pipe first end passes through described first with the heating pipe first end
Connector is connected；Air-flow is transferred to the second end of first connecting pipe by second fan, and the adding thermal resistance is set
In in the heating pipe；Second control mechanism includes thermoregulator and temperature sensor, wherein, the temperature passes
Sensor is provided close at the heating pipe, and the thermoregulator is electrically connected with second fan, the adding thermal resistance respectively
Connect and the temperature sensor is electrically connected.
As a further improvement, first connecting tube is conical pipe, wherein, the first connecting tube second end radius is big
In the first connecting tube first end radius；
The heating pipe is provided with air outlet, and the air outlet faces the wiper mechanism and the pressure organization of supply
Between gas circuit part；Wherein, it is helical structure with the part of the gas circuit of the air outlet face.
As a further improvement, the wiper mechanism includes cleaning kettle, cleaning kettle intake valve and cleaning kettle air outlet valve；Its
In, the cleaning kettle includes kettle cover, cylinder and end socket；Described cylinder one end is coaxially disposed and is connected with the end socket；It is described
The gas introducing cleaning kettle that kettle intake valve is used for pressure organization of supply supply is cleaned, the cleaning kettle air outlet valve is arranged on
On the end socket；
The cylinder other end includes Quick Release portion and supporting part, and the Quick Release portion is coaxially disposed simultaneously with supporting part edge
Connection, the Quick Release portion include some limited blocks, and the limited block extends inwardly along Quick Release portion radial direction；The kettle cover
Including some limiting slots, limited block described in the limiting slot matches, and the kettle cover is arranged on by the limited block in the Quick Release portion
On the supporting part.
As a further improvement, the wiper mechanism further comprises the first adjusting switch, the second adjusting switch and stream
Gauge, wherein, the throttle valve is connected with the flowmeter, and the flowmeter is connected with the cleaning kettle air outlet valve, uses
In the flow for detecting the cleaning kettle air outlet valve；First adjusting switch, second adjusting switch respectively with the throttling
Valve is connected, for adjusting the throttle valve.
As a further improvement, the end socket is circle, the curved edge of the end socket is arranged on outside the cylinder.
As a further improvement, first adjusting switch switchs for flow velocity coarse adjustment, second adjusting switch is stream
Fast essence adjusting switch.
Compared with prior art, this equipment has the beneficial effect that, on the cylinder of cleaning kettle, design quick-disassembly structure cause with
The efficiency in assembling process improves with kettle cover for it, accelerates the replacement efficiency of thing to be cleaned.
The gas circuit connecting pipe road of pressure organization of supply and wiper mechanism uses helical structure, and the part is managed in heat supply mechanism
When road is heated, the heating surface area and heated time of the part are increased, gas circuit is reduced and heating plant takes overall set
While standby space, also allow the gas circuit in the air path part to be fully heated, stabilize the supercritical fluid of carbon dioxide
State；Overall structure is simply light, function is easy.
The present invention also provides a kind of supercritical carbon dioxide cleaning method, comprise the following steps,
Carbon dioxide organization of supply is opened, to supply gaseous carbon dioxide；
Cooling body is run while carbon dioxide organization of supply is opened, for the gaseous carbon dioxide that cools down；
Heating arrangements are run, when the gaseous carbon dioxide temperature in gas circuit reaches the overcritical value of carbon dioxide,
Operating pressure organization of supply simultaneously remains off cleaning kettle air outlet valve, at the same make the pressure organization of supply with cleaning kettle into
Air valve switch state is consistent, and then carries out static rinse to the thing to be cleaned in the cleaning kettle；Wherein, it is described static clear
I.e. described thing to be cleaned is fully reacted with the supercritical carbon dioxide in the cleaning kettle；
The cleaning kettle outlet valve is opened to terminate the static rinse, proceeds by dynamic cleaning；Wherein, it is described dynamic
State cleaning washes away the thing to be cleaned for the supercritical carbon dioxide；
Discharge the supercritical carbon dioxide containing pollutant and receive the supercritical carbon dioxide containing pollutant
Collect to collecting mechanism.
As a further improvement, when it is described " open the cleaning kettle outlet valve to terminate the static rinse, start into
Mobile state cleans " when, keep the charge flow rate of the cleaning kettle to clean kettle with described to go out throughput consistent.
Compared with prior art, this method has the beneficial effect that：
When supplying carbon dioxide, cool down carbon dioxide so that its molecular structure, which expands with heat and contract with cold, adds transmission titanium dioxide
The efficiency of carbon.
Dynamic cleaning is used after static rinse, the carbon dioxide containing pollutant after cleaning is discharged, is avoided clear
When thing to be cleaned is taken out after washing, because being influenced by ambient pressure, temperature, the Supercritical Conditions of carbon dioxide are converted to gas
The problem of state, solubility reduce, and partial contamination thing is re-attached on thing to be cleaned.
Brief description of the drawings
Fig. 1 is the structure diagram of cooling body and pressure organization of supply in first embodiment of the invention.
Fig. 2 is the integrally-built axonometric drawing on first embodiment of the invention edge.
Fig. 3 is the section view axonometric drawing one of heating arrangements and cleaning structure in first embodiment of the invention.
Fig. 4 is the section view axonometric drawing two of heating arrangements and cleaning structure in first embodiment of the invention.
Fig. 5 is the structure diagram of heating arrangements in first embodiment of the invention.
Fig. 6 is the structure diagram of first embodiment of the invention middle cylinder body.
Fig. 7 is the structure diagram of kettle cover in first embodiment of the invention.
Fig. 8 is the flow diagram of second embodiment of the invention method.
Component symbol explanation
Wiper mechanism 1
Clean kettle 110
Kettle cover 111
Limiting slot 111A
Cylinder 112
Quick Release portion 1121
Limited block 1121A
Supporting part 1122
End socket 113
Clean kettle intake valve 120
Clean kettle air outlet valve 130
First adjusting switch 140
Second adjusting switch 150
Flowmeter 160
Heating arrangements 2
Second fan 210
First connecting pipe 220
Heating pipe 230
Air outlet 231
First connector 240
Cooling body 3
Refrigerator 310
First fan 320
Pressure organization of supply 4
High-pressure pump 410
High-pressure pump drives motor 420
High-pressure pump rotational speed governor 430
Gas pressure detector 440
First control device 5
First controller 510
First operator control panel 520
Second control device 6
Thermoregulator 610
Temperature sensor 620
Flow indicator 630
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in mode, is clearly and completely described the technical solution in embodiment of the present invention, it is clear that described reality
The mode of applying is a part of embodiment of the present invention, rather than whole embodiments.Embodiment in the present invention, this area are general
The every other embodiment that logical technical staff is obtained without creative efforts, belongs to protection of the present invention
Scope.Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement guarantor below
The scope of the present invention of shield, but it is merely representative of the selected embodiment of the present invention.Embodiment in the present invention, this area are general
The every other embodiment that logical technical staff is obtained without creative efforts, belongs to protection of the present invention
Scope.
In the description of the present invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are attached
Orientation or position relationship shown in figure, are for only for ease of and describe the present invention and simplify description, rather than indicate or imply and is signified
Equipment or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Limitation.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
- Fig. 7 is please referred to Fig.1, the first embodiment of the invention provides a kind of supercritical carbon dioxide cleaning equipment, including clear
Washing machine structure 1, heating arrangements 2, cooling body 3, pressure organization of supply 4, carbon dioxide organization of supply, collecting mechanism, check valve, section
Flow valve, first control device 5 and second control device 6；Carbon dioxide organization of supply is connected with 3 gas circuit of cooling body, cooling
Mechanism 3 is connected with 4 gas circuit of pressure organization of supply, and pressure organization of supply 4 is connected by check valve with 1 gas circuit of wiper mechanism；Heating
Mechanism 2 is used to heat the gas circuit between wiper mechanism 1 and pressure organization of supply 4；Wiper mechanism 1 passes through throttle valve and collecting mechanism
It is connected；First control device 5 is electrically connected with pressure organization of supply 4 and cooling body 3, second control device 6 and heater
Structure 2 is electrically connected, and the second control mechanism is electrically connected with wiper mechanism 1.
Carbon dioxide organization of supply can be carbon dioxide canister.
Cooling body 3 includes 310 and first fan 320 of refrigerator；Wherein, the first fan 320 is connected with refrigerator 310
Connect, the first fan 320 is used to air-flow being transferred to refrigerator 310；Pressure organization of supply 4 includes high-pressure pump 410, high-pressure pump drives
Motor 420, high-pressure pump rotational speed governor 430 and gas pressure detector 440；Wherein, high-pressure pump driving motor 420 driving wheel with
The driving wheel of high-pressure pump 410 is connected using belt；High-pressure pump rotational speed governor 430 controls the work of high-pressure pump driving motor 420
Rotating speed, specifically, high-pressure pump 410 is preferably, output pressure is high, noise is small and the plunger pump with air-flow velocity regulating power, high
Press pump 410 further comprises Rotating speed measring wheel, and Rotating speed measring wheel is provided with a gap, and high-pressure pump rotational speed governor 430 is opened for photoelectricity
Close, optoelectronic switch is blocked or reflected and be detected by detecting the light beam launched optoelectronic switch of gap；Gas pressure detector
440 are connected with the output channel of high-pressure pump 410, for detecting the output pressure of high-pressure pump 410；First control device 5 includes
First controller 510 and the first operator control panel 520, wherein, the first controller 510 is examined with high-pressure pump driving motor 420, air pressure respectively
Device 440, motor speed controller, the first operator control panel 520 is surveyed to be electrically connected.
During carbon dioxide switchs to supercritical fluid, air pressure and temperature be key factor, especially air pressure because
Element, has been applied to dynamic cleaning, it is necessary to clean gas flow and the cleaning of kettle intake valve 120 during cleaning of the invention
The consistent pressure oscillation so as to stablize inside cleaning kettle 110 of the gas flow of kettle intake valve 130, prevent because pressure is too small can not
Dynamic cleaning is efficiently carried out, is also prevented from the infringement of the physical arrangement caused by hypertonia is to cleaning kettle 110.
Heating arrangements 2 include the second fan 210, the first connecting pipe 220, heating pipe 230 (T-shaped), the first connector
240 and adding thermal resistance, wherein, 220 first end of the first connecting pipe passes through the first connector with 230 first end of heating pipe
240 are connected；Second fan 210 is connected (second end is the other end relative to first end) with the second end of the first pipeline,
Air-flow is transferred to the second end of the first connecting pipe 220 by the second fan 210, and adding thermal resistance is arranged in heating pipe 230；Second
Control mechanism includes thermoregulator 610 and temperature sensor 620, wherein, temperature sensor 620 is provided close to heating pipe
At 230, thermoregulator 610 is electrically connected respectively with the second fan 210, adding thermal resistance and temperature sensor 620 is electrically connected.
In the present embodiment, heating pipe 230 includes orthogonal first pipe portion, the second pipe for T-shaped heating pipe 230
Portion, the second pipe portion are connected with the first end of the first connecting tube by the first connector 240 of preferably clip in the present embodiment,
Realize dismountable connection relation.Second pipe portion is below the gas circuit between wiper mechanism 1 and pressure organization of supply 4, and second
The part of gas circuit between pipe portion face wiper mechanism 1 and pressure organization of supply 4 is provided with air outlet 231, passes heating pipe 230
Pipeline between defeated thermal current and wiper mechanism 1 and pressure organization of supply 4 can be heated fully, and in order to further expand it
Heating surface (area) (HS, wherein, the part with the gas circuit of 231 face of air outlet is helical structure, and the probe of temperature sensor 620 is arranged on spiral shell
Revolve above mechanism；As preference, the first connecting tube is conical pipe, wherein, the first connecting tube second end radius is more than first and connects
Adapter first end radius, the air-flow velocity passed over by physical arrangement the second fan 210 of enhancing of conical pipe, from air-flow stream
The aspect of speed strengthens the efficiency of heating surface of heating arrangements 2.
Wiper mechanism 1 includes cleaning kettle 110, cleaning kettle intake valve 120 and cleaning kettle intake valve 130；Wherein, kettle is cleaned
110 include kettle cover 111, cylinder 112 and end socket 113；112 one end of cylinder is coaxially disposed and is connected with end socket 113；Clean kettle into
Air valve 120 is used for the gas that pressure organization of supply 4 is supplied and introduces cleaning kettle 110, and cleaning kettle intake valve 130 is arranged on end socket 113；
Kettle cover 111 is equipped with handle, convenient to capture kettle cover 111.112 other end of cylinder includes Quick Release portion 1121 and supporting part 1122,
With supporting part 1122 along being coaxially disposed and being connected, Quick Release portion 1121 includes some Quick Release portion 1121A, Quick Release portion in Quick Release portion 1121
1121A is uniformly distributed in Quick Release portion 1121, and Quick Release portion 1121A extends inwardly along 1121 radial direction of Quick Release portion；Kettle cover 111 wraps
Some limiting slot 111A are included, limiting slot 111A Quick Release portion 1121A matches, the Quick Release portion that kettle cover 111 passes through Quick Release portion 1121
1121A is arranged on supporting part 1122.
Cleaning kettle 110 is the unit for placing thing to be cleaned, and the replacement velocity of thing to be cleaned directly affects entirely overcritical
The cleaning efficiency of carbon dioxide cleaning equipment, 111 Quick Release portion 1121A structures of kettle cover in the present embodiment are spacing with cylinder 112
Groove 111A structures, improve the replacement efficiency of thing to be cleaned in cleaning kettle 110 and then improve the work effect of whole cleaning equipment
Rate.
Wiper mechanism 1 further comprises the first adjusting switch 140, the second adjusting switch 150 and flowmeter 160, wherein,
Throttle valve is connected with flowmeter 160, and flowmeter 160 is connected with cleaning kettle intake valve 130, and kettle intake valve is cleaned for detecting
130 flow；First adjusting switch 140, the second adjusting switch 150 are connected with throttle valve respectively, for adjust throttle valve into
And the gas flow of cleaning kettle intake valve 130 is adjusted, its gas flow is kept phase with cleaning the gas flow of kettle intake valve 120
To the state of balance, specifically, second control device 6 further comprises flow indicator 630, flowmeter 160 and flow indication
Device 630 is electrically connected, and the first controller 510 is electrically connected with flow indicator 630, for show 120 flow of cleaning kettle intake valve with
And 130 flow of cleaning kettle intake valve, it is convenient to adjust.Wherein, the work of high-pressure pump 410 can be passed through by cleaning 120 flow of kettle intake valve
Make speed etc. to be reversely pushed out.
End socket 113 is circle, and the curved edge of end socket 113 is arranged on outside cylinder 112.End socket 113 is preferably ellipsoidal structure,
Analyze oval structure from membrane stress, the stress along warp is change, maximum in the stress of apex, under the line on have
Hoop pressure stress, strengthens the intensity of end socket 113 in the case where the making of end socket 113 material is constant, improves holding for cleaning kettle 110
It is stressed.
First adjusting switch 140 switchs for flow velocity coarse adjustment, and the second adjusting switch 150 is flow velocity essence adjusting switch.
10 times of the adjusting unit essence adjusting switch of coarse adjustment switch, the scale interval of smart adjusting switch is 1, convenient accurate
Adjust the flow velocity of cleaning kettle intake valve 130.
Referring to Fig. 8, Fig. 8 is second of embodiment of the present invention, there is provided a kind of supercritical carbon dioxide cleaning method, bag
Include following steps,
S10, runs heating arrangements 2, the gas circuit between wiper mechanism 1 and pressure organization of supply 4 is preheated, makes the gas
The temperature on road reaches the temperature conditionss of supercritical carbon dioxide.
Gas circuit between wiper mechanism 1 and pressure organization of supply 4 is preheated, and reduces gaseous carbon dioxide in cleaning machine
The time that gas circuit between structure 1 and pressure organization of supply 4 is heated, improves the operational efficiency of integral device.
S20, opens carbon dioxide organization of supply, and the same of carbon dioxide organization of supply is being opened to supply gaseous carbon dioxide
Shi Yunhang cooling bodies 3, for the gaseous carbon dioxide that cools down.
Cool down gaseous carbon dioxide, expands with heat and contract with cold, carbon dioxide volume diminishes, the dioxy that high-pressure pump 410 can once transport
It is just more to change carbon, improves the efficiency that press pump transports gaseous carbon dioxide, it is preferred that be previously run before not actuated high-pressure pump 410
Cooling body 315~20 minutes.
S30, when the gaseous carbon dioxide temperature in the gas circuit between wiper mechanism 1 and pressure organization of supply 4 reaches dioxy
When changing the overcritical value of carbon, operating pressure organization of supply 4, opens cleaning kettle intake valve 120, and then to being treated in cleaning kettle 110
Cleaning materials carries out static rinse；Wherein, static is clearly that thing to be cleaned is filled with cleaning the supercritical carbon dioxide in kettle 110
Divide reaction；Here it is worth noting that do not emphasized out in above-mentioned middle cleaning kettle intake valve 120 and cleaning kettle intake valve 130
Closed mode is belonged to before opening state.
Thing to be cleaned and supercritical carbon dioxide can be dissolved when fully reacting it is to be cleaned in pollutant.
S40, opens cleaning 110 outlet valve of kettle, terminates static rinse, proceed by dynamic cleaning；Wherein, dynamic cleaning
Thing to be cleaned is washed away for supercritical carbon dioxide.
Dynamic cleaning process is discharged the supercritical carbon dioxide containing pollutant from cleaning kettle 110 is interior using air-flow.It is worth
It is noted that when " opening cleaning 110 outlet valve of kettle to terminate static rinse, proceed by dynamic cleaning ", cleaning is kept
To go out throughput consistent with cleaning kettle 110 for the charge flow rate of kettle 110.Prevent cleaning 110 air pressure inside shakiness of kettle from causing, to cleaning
Kettle 110, which is formed, to be destroyed.
S50, discharge the supercritical carbon dioxide containing pollutant and by the supercritical carbon dioxide containing pollutant collect to
Collecting mechanism.
Supercritical carbon dioxide in cleaning kettle 110 is being discharged cleaning 110 defensive position external atmosphere pressure of kettle and extraneous temperature
Its solubility of the influence of degree can substantially reduce, therefore pollutant can be separated from supercritical carbon dioxide, and be discharged into receipts
In collecting mechanism.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention.
Claims (10)
1. a kind of supercritical carbon dioxide cleaning equipment, it is characterised in that including wiper mechanism, heating arrangements, cooling body, pressure
Power organization of supply, carbon dioxide organization of supply, collecting mechanism, check valve, throttle valve, first control device and the second control dress
Put；
The carbon dioxide organization of supply is connected with the cooling body gas circuit, the cooling body and the pressure organization of supply
Gas circuit connects, and the pressure organization of supply is connected by the check valve with the wiper mechanism gas circuit；The heating arrangements are used
Gas circuit between the heating wiper mechanism and the pressure organization of supply；The wiper mechanism passes through the throttle valve and institute
Collecting mechanism is stated to be connected；The first control device is electrically connected with the pressure organization of supply and the cooling body, institute
State second control device to be electrically connected with the heating arrangements, second control mechanism is electrically connected with the wiper mechanism.
2. equipment according to claim 1, it is characterised in that the cooling body includes refrigerator and the first fan；Its
In, first fan is used to air-flow being transferred to the refrigerator；The pressure organization of supply includes high-pressure pump, high-pressure pump drives
Dynamic motor, high-pressure pump rotational speed governor and gas pressure detector；Wherein, the high-pressure pump driving motor is connected with the high-pressure pump
Connect；The high-pressure pump rotational speed governor controls the working speed of the high-pressure pump driving motor；The gas pressure detector with it is described
The output channel of high-pressure pump is connected, for detecting the output pressure of the high-pressure pump；The first control device includes first
Controller and the first operator control panel, wherein, first controller is detected with high-pressure pump driving motor, the air pressure respectively
Device, the motor speed controller, first operator control panel are electrically connected.
3. equipment according to claim 1, it is characterised in that the heating arrangements include the second fan, the first connecting tube
Road, heating pipe, the first connector and adding thermal resistance, wherein, the first connecting pipe first end and the heating pipe
First end is connected by first connector；Air-flow is transferred to the second of first connecting pipe by second fan
End, the adding thermal resistance are arranged in the heating pipe；Second control mechanism includes thermoregulator and temperature sensing
Device, wherein, the temperature sensor is provided close at the heating pipe, the thermoregulator respectively with second wind
Fan, the adding thermal resistance are electrically connected and the temperature sensor is electrically connected.
4. equipment according to claim 3, it is characterised in that first connecting tube is conical pipe, wherein, described first
Connecting tube second end radius is more than the first connecting tube first end radius；
The heating pipe is provided with air outlet, and the air outlet is faced between the wiper mechanism and the pressure organization of supply
Gas circuit part；Wherein, it is helical structure with the part of the gas circuit of the air outlet face.
5. equipment according to claim 1, it is characterised in that the wiper mechanism includes cleaning kettle, cleaning kettle intake valve
And cleaning kettle air outlet valve；Wherein, the cleaning kettle includes kettle cover, cylinder and end socket；Described cylinder one end and the end socket
It is coaxially disposed and connects；The gas that the cleaning kettle intake valve is used for pressure organization of supply supply introduces the cleaning kettle,
The cleaning kettle air outlet valve is arranged on the end socket；
The cylinder other end includes Quick Release portion and supporting part, and the Quick Release portion is coaxially disposed and connects with supporting part edge
Connect, the Quick Release portion includes some limited blocks, and the limited block extends inwardly along Quick Release portion radial direction；The kettle cover bag
Some limiting slots are included, limited block described in the limiting slot matches, and the kettle cover is arranged on institute by the limited block in the Quick Release portion
State on supporting part.
6. equipment according to claim 5, it is characterised in that the wiper mechanism further comprise the first adjusting switch,
Second adjusting switch and flowmeter, wherein, the throttle valve is connected with the flowmeter, the flowmeter and the cleaning
Kettle air outlet valve is connected, for detecting the flow of the cleaning kettle air outlet valve；First adjusting switch, described second, which are adjusted, to open
Pass is connected with the throttle valve respectively, for adjusting the throttle valve.
7. equipment according to claim 5, it is characterised in that the end socket is circle, and the curved edge of the end socket is set
In outside the cylinder.
8. equipment according to claim 5, it is characterised in that first adjusting switch switchs for flow velocity coarse adjustment, institute
It is flow velocity essence adjusting switch to state the second adjusting switch.
9. a kind of usage right requires the supercritical carbon dioxide cleaning method of equipment described in 1-8, it is characterised in that including following
Step,
The heating arrangements are run, the gas circuit between the wiper mechanism and the pressure organization of supply is preheated, makes this
The temperature of gas circuit reaches the temperature conditionss of supercritical carbon dioxide；
The carbon dioxide organization of supply is opened, to supply gaseous carbon dioxide；
The cooling body is run while the carbon dioxide organization of supply is opened, for the gaseous state titanium dioxide that cools down
Carbon,
When the gaseous carbon dioxide temperature in the gas circuit between the wiper mechanism and the pressure organization of supply reaches two
During the overcritical value of carbonoxide, the pressure organization of supply is run, opens the cleaning kettle intake valve, and then to the cleaning kettle
Interior thing to be cleaned carries out static rinse；Wherein, it is described it is static be clearly the thing to be cleaned with it is described clean in kettle super face
Boundary's carbon dioxide is fully reacted；The cleaning kettle outlet valve is opened, terminates the static rinse, it is clear to proceed by dynamic
Wash；Wherein, the dynamic cleaning washes away the thing to be cleaned for the supercritical carbon dioxide；
Discharge the supercritical carbon dioxide containing pollutant and by the supercritical carbon dioxide containing pollutant collect to
Collecting mechanism.
10. the cleaning method of supercritical carbon dioxide according to claim 9, it is characterised in that when described " described in unlatching
Kettle outlet valve is cleaned, terminates the static rinse, proceeds by dynamic cleaning " when, keep the charge flow rate for cleaning kettle
It is consistent to go out throughput with the cleaning kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405985.6A CN107971299B (en) | 2017-12-22 | 2017-12-22 | Supercritical carbon dioxide cleaning equipment and cleaning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711405985.6A CN107971299B (en) | 2017-12-22 | 2017-12-22 | Supercritical carbon dioxide cleaning equipment and cleaning method thereof |
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| Publication Number | Publication Date |
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| CN107971299A true CN107971299A (en) | 2018-05-01 |
| CN107971299B CN107971299B (en) | 2023-04-11 |
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| CN201711405985.6A Active CN107971299B (en) | 2017-12-22 | 2017-12-22 | Supercritical carbon dioxide cleaning equipment and cleaning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114130762A (en) * | 2021-11-02 | 2022-03-04 | 国核电站运行服务技术有限公司 | Supercritical carbon dioxide cleaning device and use method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08197021A (en) * | 1995-01-25 | 1996-08-06 | Sharp Corp | Washer using supercritical fluid |
| KR20020027749A (en) * | 2000-10-05 | 2002-04-15 | 김현효 | Recycling System and Method of Supercritical Carbon Dioxide |
| US6670402B1 (en) * | 1999-10-21 | 2003-12-30 | Aspen Aerogels, Inc. | Rapid aerogel production process |
| US20040045837A1 (en) * | 2001-11-14 | 2004-03-11 | Hideo Yoshida | Method for treating the surface of object and apparatus thereof |
| CN103406304A (en) * | 2012-09-29 | 2013-11-27 | 山东常林机械集团股份有限公司 | Method for cleaning precision part through supercritical carbon dioxide under assist of ultrasonic wave |
| CN104707355A (en) * | 2015-03-20 | 2015-06-17 | 南通东泽数控机床有限公司 | 5 L supercritical carbon dioxide extraction nanocrystal device |
| CN105032328A (en) * | 2015-08-24 | 2015-11-11 | 郑州大学 | Chemical parallel reaction device |
| CN205493753U (en) * | 2016-03-12 | 2016-08-24 | 华北电力大学（保定） | A carbon dioxide cycle system for surpassing supercritical carbon dioxide dish washer |
| CN106623275A (en) * | 2016-12-20 | 2017-05-10 | 武汉大学 | Fouling cleaning device and method for supercritical carbon dioxide pulse jet flow oil pipe |
| CN107419462A (en) * | 2017-08-08 | 2017-12-01 | 百事基材料（青岛）股份有限公司 | A kind of supercritical CO 2 dyeing system and dyeing |
| CN208019071U (en) * | 2017-12-22 | 2018-10-30 | 厦门理工学院 | A kind of supercritical carbon dioxide cleaning equipment |
-
2017
- 2017-12-22 CN CN201711405985.6A patent/CN107971299B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08197021A (en) * | 1995-01-25 | 1996-08-06 | Sharp Corp | Washer using supercritical fluid |
| US6670402B1 (en) * | 1999-10-21 | 2003-12-30 | Aspen Aerogels, Inc. | Rapid aerogel production process |
| KR20020027749A (en) * | 2000-10-05 | 2002-04-15 | 김현효 | Recycling System and Method of Supercritical Carbon Dioxide |
| US20040045837A1 (en) * | 2001-11-14 | 2004-03-11 | Hideo Yoshida | Method for treating the surface of object and apparatus thereof |
| CN103406304A (en) * | 2012-09-29 | 2013-11-27 | 山东常林机械集团股份有限公司 | Method for cleaning precision part through supercritical carbon dioxide under assist of ultrasonic wave |
| CN104707355A (en) * | 2015-03-20 | 2015-06-17 | 南通东泽数控机床有限公司 | 5 L supercritical carbon dioxide extraction nanocrystal device |
| CN105032328A (en) * | 2015-08-24 | 2015-11-11 | 郑州大学 | Chemical parallel reaction device |
| CN205493753U (en) * | 2016-03-12 | 2016-08-24 | 华北电力大学（保定） | A carbon dioxide cycle system for surpassing supercritical carbon dioxide dish washer |
| CN106623275A (en) * | 2016-12-20 | 2017-05-10 | 武汉大学 | Fouling cleaning device and method for supercritical carbon dioxide pulse jet flow oil pipe |
| CN107419462A (en) * | 2017-08-08 | 2017-12-01 | 百事基材料（青岛）股份有限公司 | A kind of supercritical CO 2 dyeing system and dyeing |
| CN208019071U (en) * | 2017-12-22 | 2018-10-30 | 厦门理工学院 | A kind of supercritical carbon dioxide cleaning equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130762A (en) * | 2021-11-02 | 2022-03-04 | 国核电站运行服务技术有限公司 | Supercritical carbon dioxide cleaning device and use method thereof |
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| CN107971299B (en) | 2023-04-11 |
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