CN110369403A - Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution dry ice cleaning method - Google Patents
Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution dry ice cleaning method Download PDFInfo
- Publication number
- CN110369403A CN110369403A CN201910634725.9A CN201910634725A CN110369403A CN 110369403 A CN110369403 A CN 110369403A CN 201910634725 A CN201910634725 A CN 201910634725A CN 110369403 A CN110369403 A CN 110369403A
- Authority
- CN
- China
- Prior art keywords
- dry ice
- nozzle
- gas
- cleaning
- periphery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 235000011089 carbon dioxide Nutrition 0.000 title claims abstract description 150
- 238000004140 cleaning Methods 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 38
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 238000010926 purge Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 79
- 239000002245 particle Substances 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- 238000013461 design Methods 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0092—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by cooling
Abstract
Present invention discloses Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution dry ice cleaning methods, wherein Dry ice cleaning nozzle, including nozzle body, have structure and the dry ice jet-impingement channel of connection dry ice delivery pipe；Curtain nozzle; it is disposed around the periphery of nozzle body; it includes being disposed around the inner cavity of nozzle body periphery and with inner cavity connection for connecting the connector of protection gas source by protective gas pipe, and curtain nozzle forms the protection air curtain for being disposed around the dry ice jet stream periphery that nozzle body ejects.This programme is by being arranged the protection air curtain formed by protective gas in dry ice jet stream periphery; it can be effectively by clean the surface and extraneous air partition; the pollutants such as impurity, vapor are avoided to contact with clean the surface; simultaneously; by protecting air curtain to purge the surface after cleaning, the surface after cleaning can either be dried, be restored to room temperature, solve the problems, such as that vapor condensation is hazed; again can overall process protected, to guarantee cleaning effect.
Description
Technical field
The present invention relates to Dry ice cleaning apparatus field, especially Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution is dry
Ice cleaning method.
Background technique
Dry ice cleaner is one kind of cleaning machine, and Dry ice cleaning mode obtains swift and violent development in the world.
The dry ice pellet of dry ice cleaner is ejected into the working surface for needing to clean by pressure-air by dry ice cleaning system,
Different substances is set to generate disengaging under different contraction speeds using the physics reflection of the temperature difference.When -78 degrees Celsius of dry ice pellet
Brittle explosion phenomenon can be generated after touching fouled surfaces, so that dirt be made to shrink and loosen, dry ice pellet can transient evaporation therewith
And expand 800 times, generate powerful peeling force, dirt is quick, thoroughly fall off from body surface, thus reach quickly,
Efficiently, safety, energy-efficient cleaning effect.
For existing Dry ice cleaning mode in cleaning, vapor and impurity in air can be mixed into the position that cleaning is completed
Place, one side impurity can cause secondary pollution to the surface after cleaning, on the other hand, due to the position after cleaning temperature compared with
It is low, easily form condensed water with the steam in air, especially optical mirror slip, precision die, circuit element cleaning in and it is clear
After washing, steam can be generated in product surface, be easy absorption dust, impurity etc., cause secondary pollution, influence product cleaning effect.
Summary of the invention
The object of the invention is to provide a kind of by protection air curtain to solve the above-mentioned problems in the prior art
By cleaning area and it is extraneous separate, thus the Dry ice cleaning nozzle protected to the surface after cleaning, dry ice cleaner and anti-
Secondary pollution dry ice cleaning method.
The purpose of the present invention is achieved through the following technical solutions:
Dry ice cleaning nozzle, including
Nozzle body has structure and the dry ice jet-impingement channel of connection dry ice delivery pipe；
Curtain nozzle is disposed around the periphery of the nozzle body comprising be disposed around the nozzle body periphery inner cavity and
Connector in communication with the inner cavity for by protective gas pipe connection protection gas source, the curtain nozzle formation are disposed around
The protection air curtain for the dry ice jet stream periphery that the nozzle body ejects.
Preferably, in the Dry ice cleaning nozzle, dry ice jet-impingement channel include connection pipe linkage section and
Accelerate to spray section, the input end size of the pipe linkage section is greater than the size of itself and the common end for accelerating to spray section, the acceleration
The size for spraying the common end of Duan Yuguan linkage section is less than the outlet end size for accelerating to spray section.
Preferably, in the Dry ice cleaning nozzle, the distance of outlet end to the surface to be cleaned of the nozzle body is big
In the outlet side of the curtain nozzle to the surface of object to be cleaned.
Preferably, in the Dry ice cleaning nozzle, the nozzle body is removable installed in the curtain nozzle
In centre bore.
Preferably, in the Dry ice cleaning nozzle, the protection gas source is the dried and clean gas by heating and purification
Body.
Dry ice cleaner, including any of the above-described Dry ice cleaning nozzle.
Preferably, in the dry ice cleaner, the nozzle body connects dry ice gas mixing by dry ice delivery pipe
Device, the dry ice gas mixer include can rotation shaft, form fluted, the shaft on the periphery of the shaft
Periphery periphery be equipped with the upper feeding block and lower mixing chamber that be bondeds with its periphery, the upper feeding block with can with it is described
The feed opening of groove connection, the lower mixing chamber has the granular gas mixing chamber that can be connected to the groove, described lower mixed
It closes cavity to be set in a pedestal, the pedestal has the air inlet and air outlet being connected to the granular gas mixing chamber.
Preferably, in the dry ice cleaner, the lower mixing chamber includes bottom discharge block and rocker piece, is gone out under described
Expect the channel of the inside groove with communication groove and rocker piece on block, the inside groove company of the air inlet and air outlet and the floating
Logical, the channel includes the through-hole of at least two bottoms for being located at the discharging block, the through-hole it is of different size, width is larger
Through-hole close to the air inlet.
Preferably, in the dry ice cleaner, deflector is provided in the inside groove of the rocker piece, the deflector
Top surface is opposite with the discharging basal surface position in partition portion of two through-holes of block, the two sides of the deflector and deflector two
The bottom surface of the inside groove of side is respectively formed the cambered surface continuously risen from air inlet to gas outlet direction or curved surface and from air inlet to out
The cambered surface or curved surface that port direction continuously declines.
Preferably, it in the dry ice cleaner, is formed at the inner wall of the air inlet and extends to the rocker piece
Air inlet at the first side wall is formed with the outlet for extending to the second sidewall of the rocker piece at the inner wall of the gas outlet
Hole；The lower vertex of the first of the rocker piece is formed with the air inlet notch being connected to the air inlet, and the second of the rocker piece
Lower vertex forms the outlet air notch of the venthole connection.
Anti-secondary pollution dry ice cleaning method, includes the following steps:
S1 provides any of the above-described dry ice cleaner；
S2, supply protective gas forms protection air curtain, and is directed at surface to be cleaned；
S3 forms dry ice jet stream and cleans to surface to be cleaned；
S4 after completing cleaning, stops dry ice jet stream, keeps protection air curtain to be opened into the dry tack free for completing cleaning and restores to room
Temperature.
The advantages of technical solution of the present invention, is mainly reflected in:
This programme deft design, structure is simple, can by the way that the protection air curtain formed by protective gas is arranged in dry ice jet stream periphery
Effectively by clean the surface and extraneous air partition, to avoid what the pollutants such as impurity, vapor contacted with clean the surface from asking
Topic, meanwhile, it in operation, on the one hand can be to the surface after cleaning by protecting air curtain to purge the surface after cleaning
It is dried, it is accelerated to be restored to room temperature, solve the problems, such as that vapor condensation is hazed, on the other hand, room temperature can be restored to
Overall process in protected, to guarantee cleaning effect.
The design in the dry ice jet-impingement channel of this programme can be accelerated the flowing of air-flow using structure self-characteristic, be mentioned
The mobile power of high dry ice particles, so that cleaning efficiency is improved, meanwhile, the end of nozzle body is located at the inside of curtain nozzle
Design, can make nozzle body obtain optimal the cleaning area of coverage and power, realize the perfect unity of the two.
On the one hand dry, clean gas can be avoided as protective gas and bring pollution source into, on the other hand, have
Conducive to removal condensed water, while it can speed up the product surface after cleaning and restoring room temperature, prevent the condensed water in air cold again
It coagulates to product surface.
The dry ice gas mixer of this programme by setting can rotation shaft and upper feeding block and lower mixing chamber cooperate,
So as to be realized the lasting of dry ice powder, effective supply by the principle of gravity fall using dry ice powder；Meanwhile granular gas
The design of mixing chamber effectively can be such that dry ice particles are sufficiently mixed with pressure-air, to make the dry ice particles point in air-flow
Cloth is uniform, to improve the efficiency and effect finally cleaned；Also, lower mixing chamber can floating structure, effectively compensate for portion
The gap that generation is worn between part reduces the risk of dry ice particles and high pressure gas leakage.
The efficiency of feed is effectively guaranteed in the design of the upper feeding block of the dry ice gas mixer of this programme, while effectively
The contact surface reduced between upper feeding block and shaft, effectively reduce abrasion, reduce wearing clearance leakage risk,
In addition upper feeding block moves down design, can also make up its gap between shaft if necessary, further decreases leakage
It may.
The granular gas mixing chamber of the dry ice gas mixer of this programme and the design of feed-throughs size are effectively dry
The diffusion suspension of ice particle in the cavity provides space and precondition, thus effectively subsequent dry ice particles in the gas flow equal
It is even to spread and follow air-flow mobile, advantageously ensure that the efficiency and effect of cleaning；Meanwhile the design of inner cavity, it is effective to guarantee
The smoothness of air-flow flowing, reduces the loss of air flow power to a certain degree.
The notch design of the stomata and base bottom of the rocker piece of the dry ice gas mixer of this programme, can be not additional
On the basis of increasing components, make full use of existing pressure-air as power source, with drive rocker piece lifting thus with
The periphery of shaft remains fitting, not only simplifies structure, in turn avoids leaking.
Detailed description of the invention
Fig. 1 is the cross-sectional view of Dry ice cleaning nozzle of the present invention；
Fig. 2 is the schematic diagram of the nozzle body of Dry ice cleaning nozzle of the present invention；
Fig. 3 is the connection schematic diagram of Dry ice cleaning nozzle and dry ice gas mixer of the present invention；
Fig. 4 is the cross-sectional view of dry ice gas mixer of the present invention；
Fig. 5 is the perspective view of dry ice gas mixer of the present invention；
Fig. 6 is the top view of dry ice gas mixer of the present invention;
Fig. 7 is the shaft of dry ice gas mixer of the present invention and the cross-sectional view in upper feeding block region；
Fig. 8 is the feed block of dry ice gas mixer of the present invention and the cross-sectional view in bottom discharge block region；
Fig. 9 is the perspective view of the bottom discharge block of dry ice gas mixer of the present invention；
Figure 10 is the cross-sectional view of the shaft of dry ice gas mixer of the present invention, lower mixing chamber and base area；
Figure 11 is the top perspective view of the rocker piece of dry ice gas mixer of the present invention；
Figure 12 is the lower mixing chamber of dry ice gas mixer of the present invention and the cross-sectional view of base area；
Figure 13 is the face upwarding stereogram of the rocker piece of dry ice gas mixer of the present invention.
Specific embodiment
The purpose of the present invention, advantage and feature, by by the non-limitative illustration of preferred embodiment below carry out diagram and
It explains.These embodiments are only the prominent examples using technical solution of the present invention, it is all take equivalent replacement or equivalent transformation and
The technical solution of formation, all falls within the scope of protection of present invention.
In the description of scheme, it should be noted that term " center ", "upper", "lower", "left", "right", "front", "rear",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description and simplification description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Also, in the description of scheme
In, it is proximal end by the direction of proximal operator using operator as reference, the direction far from operator is distal end.
The Dry ice cleaning nozzle that discloses of the present invention is illustrated with reference to the accompanying drawing, it is especially suitable for optical mirror slip,
The cleaning for the product that there is high-cleanness, high to require for precision die, circuit element etc., it is of course also possible to be used for other purity requirements
The cleaning of relatively low product.
As shown in Fig. 1, the Dry ice cleaning nozzle includes
Nozzle body 10 has structure and the dry ice jet-impingement channel 101 of connection dry ice delivery pipe 20；
Curtain nozzle 30 is disposed around the periphery of the nozzle body 10 comprising is disposed around the interior of 10 periphery of nozzle body
Chamber 301 and the connector 302 for connecting protection gas source for passing through protective gas pipe 40 being connected to the inner cavity 301, it is described
Curtain nozzle 30 forms the protection air curtain 60 for being disposed around 50 periphery of dry ice jet stream that the nozzle body 10 ejects.
Due to protecting the presence of air curtain 60, so that it can effectively separate on the surface after cleaning with outside air, from
And the colder surface after extraneous air and cleaning is avoided to liquefy compared with cold contact, to easily adsorb dust and pollute asking for particle
Topic, the secondary pollution after effectively preventing Dry ice cleaning.
Wherein, as shown in Fig. 2, dry ice jet-impingement channel 101 includes the pipe linkage section 1011 of connection and accelerates
Section 1012 is sprayed, what the pipe linkage section 1011 and acceleration sprayed section 1012 can be straight hole section, or it is pyramidal,
Such as the frustum of a cone or rectangular frustum, it is preferable that the input end size of the pipe linkage section 1011 is greater than it and accelerates to spray section 1012
Common end size, the size of the common end for accelerating to spray section 1012 and pipe linkage section 1011, which is less than, to be accelerated to spray section
1012 outlet end size.
Such structure design is advantageous in that: when the air-flow for carrying dry ice enters pipe linkage section 1011, with Guan Lian
The size for connecing section 1011 is gradually reduced, so that the pressure of air-flow is gradually increased, therefore when air-flow enters the accelerating jetting section
When 1012, to make air-flow accelerate under biggish gas pressure, and then the injection rate of dry ice particles is improved.
In addition, being taper since the acceleration sprays section 1012, the dry ice jet stream 50 formed is similarly taper,
Overlay area with more remote then bigger at a distance from surface to be cleaned 70, such as outlet end 102 of the nozzle body 10 with it is described
The outlet side 304 of curtain nozzle 30 is concordant, at this point, its area of coverage is relatively small, in consideration of it, as shown in Fig. 1, the nozzle master
Object to be cleaned is arrived in the outlet side 304 that the distance of the outlet end 102 of body 10 to surface to be cleaned 70 is greater than the curtain nozzle 30
Surface.
Meanwhile for the ease of the assembling of the nozzle body 10 and the protection curtain nozzle 30, as shown in Fig. 1, institute
It states nozzle body 10 to be set in the centre bore 303 of the curtain nozzle 30 using removably mode, such as the centre bore
303 be screw hole, and the side of the nozzle body 10 has screw thread, so that the two can be spirally connected, certainly, the two can also pass through
Cooperation of being full of is assembled into one, or is glued and is integrated or is welded as a whole, and even, they can be with integrated injection molding.
Further, in order to avoid protecting the secondary pollution of gas source bring, the protection gas source is preferably the gas by purification
Body, the gas can be the inert gas etc. of nitrogen, non-environmental-pollution, preferably purified air, and the purification of air is
Known technology does not repeat；Meanwhile in order to avoid vapor carried possible in protective gas etc. and surface colder after cleaning
It is condensed after contact, the protective gas also passes through heat drying, on the one hand avoids carrying around vapor, on the other hand can be advantageous
Surface after cleaning quickly recovers to room temperature state.
A kind of dry ice cleaner is disclosed in the another embodiment of this programme, including above-mentioned Dry ice cleaning nozzle, such as attached drawing 3
Shown, the nozzle body 10 of the Dry ice cleaning nozzle connects dry ice gas mixer 80 by dry ice delivery pipe 20, described
The top of dry ice gas mixer 80 is provided with dry ice lumps feeding mechanism (not shown), deicing (not shown),
The smashed dry ice powder of deicing by transfer passage (not shown) connect the dry ice gas mixer 80 into
Expect hole 21, the shaft connection of the dry ice gas mixer 80 drives the power device (not shown) of its rotation, described dry
The air inlet 51 of ice gas mixer 80 connects high-pressure air source (not shown), and gas outlet 52 is connected by dry ice delivery pipe 20
The Dry ice cleaning nozzle.
Wherein, dry ice lumps feeding mechanism, deicing, transfer passage are known technology, and are not repeated, and the dry ice is defeated
Pipe 20 is sent to can be hose or hard plastic tube or metal tube, preferably flexible pipe, so as to easily carry out nozzle direction court
Upper setting, to adapt to the inclination of the positions such as turning, cavity top surface.
The dry ice gas mixer 80, as shown in attached drawing 4, attached drawing 5, including can rotation shaft 1, the shaft 1
Form fluted 11 on periphery, the periphery periphery of the shaft 1 is equipped with the upper feeding block 2 be bonded with its periphery and lower mixes
Close cavity 34a, the upper feeding block 2 has the feed opening 21 that be connected to the groove, and the lower mixing chamber 34a is with can be with
The granular gas mixing chamber 34b that the groove 11 is connected to, the lower mixing chamber 34a be set in a pedestal 5 and its one to
On thrust under the action of be bonded with the holding of the periphery of the shaft, the pedestal 5 with and the granular gas mixing chamber
34b, the air inlet 51 of connection and gas outlet 52.
In use, dry ice particles are from the groove 11 that the feed opening 21 drops into the shaft, after 11 rotation of groove with
Lower mixing chamber connection, so that the dry ice particles in groove 11 fall into the granular gas mixing chamber under the effect of gravity
It is discharged in 34b and from the gas outlet 52 under the action of high pressure draught, to easily realize the supply of dry ice powder, protects
It has demonstrate,proved the mixing of pressure-air and dry ice particles and ensure that the power of air-flow.
Additionally, due to lower mixing chamber by upward thrust, so that moving up for lower mixing chamber can compensate lower mixing chamber
It with the abrasion between shaft contacts face, and then remains lower mixing chamber with the periphery of shaft 1 and is bonded, so as to have
Effect prevents high pressure gas and small dry ice particles from entering between lower mixing chamber and the contact surface of shaft 1, leaks outside
The problem of.
From the point of view of specific, as shown in Fig. 5, the shaft 1 is rotationally set up on two supporting plates 6, two supporting plates 6
Be fixed on bottom plate 7, be fixed with bearing 8 on each supporting plate 6, the shaft 1 be plugged in the inner ring of two bearings 8 to
One end of shaft 1 with rotation, in actual use, can be made to connect power source, such as motor or motor+transmission mechanism, to drive
The rotation of shaft 1.
The quantity of groove 11 in the shaft 1, which can according to need, to be configured, and the shape of the groove 11 can
To be various feasible shapes, for example, it can be one group of cuboid or hemispherical or elliposoidal etc., it is preferred that such as 6 institute of attached drawing
Show, the groove 11 is three circles 111,112,113, and every circle includes one group of groove for dividing equally the periphery of the shaft 1, described recessed
Slot is gradually reduced by the size of open end internally, to form the shape of an approximate inversed taper platform, and any circle is any recessed
Any groove of slot and another circle shifts to install, and such distribution mode uniformly enters Particulate Air convenient for dry ice powder and mixes
It closes in chamber.
The upper feeding block 2 is set between two supporting plates 6, also, as shown in attached drawing 5, attached drawing 6, described enterprising
Material block 7 can be fixedly connected by bolt with two supporting plates 6, at this point, the position of the upper feeding block 2 is fixed, still, with
Device prolonged use, the abrasion between the upper feeding block 2 and shaft 1 can make their contact surface generate it is certain between
Gap, at this point, dry ice powder can enter the gap location of their contact surface in the rotation process of shaft 1, one is dry to reduce
The supply of ice powder, on the other hand, dry ice powder can also further increase the abrasion of their contact surfaces, lead to wear problem
It aggravates.
Therefore, in an alternative embodiment, the position for making the upper feeding block 2 is fixed on the supporting plate 6,
For example, the upper feeding block 2 being connected between two supporting plates 6 of sliding up and down of with respect to two supporting plates 6, i.e., it is described on
The two sides of feed block be formed with guide groove or guiding raised line (not shown), the inner surface of the supporting plate 6 be formed with it is described
Guide groove or the guiding matched structure of raised line (sanitary china in figure), due in use, thereon other can be born on upper feeding block 2
The lower pressure of component, therefore, when the contact surface of upper feeding block 2 and shaft is worn, upper feeding block 2 can be acted in pressure
Under move down to always with the periphery of shaft 1 holding be bonded.
Certainly, in other embodiments, can also using other modes make the upper feeding block 2 can have it is certain to
Lower mobile space, for example, the periphery for the spiral shell peg or pin (not shown) that the upper feeding block 2 is connect with the supporting plate 6 is set with
Flexible circle (not shown) to make elastic ring deform by the lower pressure that upward feed block 2 applies, and then makes on described
Feed block 2 can be with minute movement to make up the gap that abrasion generates.
Meanwhile in order to improve the feed efficiency of dry ice powder, as shown in attached drawing 6, attached drawing 7, make the upper feeding block 2 into
Expect that the radian r1 of the periphery of shaft corresponding to the discharge end in hole 21 is not less than the distal end long side of the two neighboring groove 11
The radian r2 of the periphery of corresponding shaft, and the discharge end of the feed opening 21 can be simultaneously in every circle groove 11
At least one carries out filler, does so that the feed opening 21 on the upper feeding block 2 can simultaneously add multiple grooves 11 simultaneously
Ice powder.
In addition, the groove 11 in the shaft 1 passes through the lower mixing chamber 34a in the rotation process of the shaft 1
On channel 31 after can realize blanking, therefore, when the position turned to after the groove 11, upper feeding block and shaft 1
Periphery no longer needs to keep air-tight state again, it is preferred, therefore, that as shown in Fig. 8, the upper feeding block 2 and the shaft 1
The distance of the end 22,23 of the both sides of fitting to the upper surface 32 of the lower mixing chamber 3 is different, enterprising so as to reduce
The contact area of material block 2 and shaft 1 is to reduce abrasion.
The lower mixing chamber 34a can be integrated injection molding, is also possible to separable assembled and forms, due to its internal junction
Structure is relative complex, for the ease of carrying out the processing and manufacturing of workpiece, it is preferred to use the mode of separable assembled.
Specifically, as shown in Fig. 4, the lower mixing chamber 34a includes bottom discharge block 3 and rocker piece 4, is gone out under described
Material block 3 and rocker piece 4 can be assembled integrally by way of being spirally connected, can also be by welding or riveting or Tenon or splicing
Mode is assembled into one, and is known technology and does not repeat herein.
As shown in attached drawing 9, attached drawing 10,3 global approximation of bottom discharge block is the component of a cuboid, under the component
End face is uncovered structure, and internal is cavity 33, and the upper surface of the component has the curvature in the shaft face of the shaft 1 identical
Arc-shaped slot 34, the periphery 12 of preferably semi-spherical grooves, the groove bottom 341 of the arc-shaped slot 34 and the shaft 1 pastes
It closes, the slot bottom position of the arc-shaped slot offers the channel of the inside groove 41 of the groove 11 and rocker piece 4 that are connected in the shaft 1
31, the channel 31 includes at least two through-holes, preferably two rows of, and every exhausting hole is two, and the distance of two through-hole distal ends
It is closely located with the distal end of the two circle grooves in outside, also, through-hole 311,312 described in every row is of different size, preferably leans on
The width of the through-hole 311 of the nearly air inlet 51 is greater than the width of the through-hole 312 close to the gas outlet 52, the original being designed in this way
Because that will be illustrated subsequent.
As shown in Fig. 4, for the open end of the bottom discharge block 3 towards the rocker piece, they cooperatively form described
Grain gas mixing chamber 34b, as shown in attached drawing 10, attached drawing 11,4 global approximation of rocker piece is the structure of the cuboid of a fillet
Part, the intermediate region of the upper surface of the component form the inside groove 41, are formed at the opposite two sides side plate of the component
The notch 46,47 being respectively communicated with the inside groove 41, the notch 46 are docked with air inlet 51, the notch 47 and air outlet 52
Docking, the bottom of the rocker piece 4 forms fluted 48, so that the groove 48 is embedded in when being installed on the pedestal 5
The boss 56 of 55 bottom of locating slot of the pedestal 5.
Further, entered in after the granular gas mixing chamber 34b for the ease of dry ice powder have enough spaces and
Time diffusion uniformly, as shown in attached drawing 10, attached drawing 11, is provided with deflector 42 in the inside groove 41 of the rocker piece 4, described to lead
The top surface 421 of flowing plate 42 is opposite with the discharging basal surface position in partition portion 35 of two through-holes of block 3, the preferably described deflector
42 top surface 421 is bonded with the bottom surface in partition portion 35, thus, the deflector 42 cooperates with partition portion mixes the granular gas
It closes chamber 34b and is divided into two chambers 34b1,34b2, two chambers are connected to through-hole 311,312 respectively.
Therefore, when being mixed, groove 11 is when turning to opposite with the through-hole 311,312 of bottom discharge fast 3, due to logical
Hole 311 is larger, therefore most of dry ice powder in groove 11 can be fallen under Gravitative Loads into chamber 34b1, same with this
When, when high pressure gas is entered in the chamber 34b1 from air inlet 51, can the dry ice particles of decline be applied with upward effect
Power so that most dry ice powder be made to spread suspension in chamber 34b1, therefore can uniformly be diffused with a large amount of dry ice in air-flow
Particle, while air-flow carries and is suspended in dry ice particles therein and enters the other side by through-hole 311, groove 11 and through-hole 312
Chamber 34b2 in, and from gas outlet 52 spray；In addition the dry ice powder of fraction enters chamber 34b2 by through-hole 312
In, and spread in chamber 34b2 under the blowing of air-flow and carried by air-flow from gas outlet 52 and spray, in this course, do
Ice particle can adequately be spread uniformly in the gas flow.
Meanwhile being directly impinging the resistance being subject on deflector 42 to reduce air-flow and leading to the loss of power, and
Improve the smoothness that high pressure gas is flowed in granular gas mixing chamber, as shown in figure 8, the two sides 422 of the deflector 42,
423 are respectively formed from air inlet to gas outlet direction with the bottom surface 411,412 of the cut zone of the inside grooves 41 of deflector two sides and connect
The continuous cambered surface risen or curved surface and the cambered surface continuously declined from air inlet to gas outlet direction or curved surface, preferably smooth surface,
To, when high pressure gas enters from air inlet 51, can rise along smooth surface, and be unlikely to be directly impinging deflector
After 42, is spread around under the blocking of deflector 42 and air flow power is caused to reduce；And for the ease of pressure-air from compared with
Small air inlet 51 is quickly spread after entering chamber 34b1, the cut zone that the inside groove 41 is formed through the isolation of deflector 42
Side 413 be the cambered surface being connected with the bottom surface 411,412, meanwhile, the side of the side 413 of cut zone and deflector 42
422,423 linking region is arc surface, consequently facilitating air-flow is along round and smooth diffusion into the surface, gap flow resistance.
The rocker piece 4 can be fixed in the locating slot 55 of the pedestal 5, it can also the relatively described pedestal 5 certainly
Carry out it is small move up and down, the gap that when circumference surface wear to make up bottom discharge block 3 and shaft 1 generates.
In order to enable the relatively described pedestal 5 of the rocker piece 4 to move up and down, in one embodiment, apply to it
Thrust can be in the (not shown)s production such as the spring in compressive state of the bottom of the rocker piece 4 setting or elastic component
It is raw.
In another feasible embodiment, one group of bottom for being located at the rocker piece 4 can be offered on the pedestal 5
The stomata (not shown) in portion, high-pressure air source can be connected to the stomata by pipeline (not shown), thus setting
When received shipment row, it can make rocker piece 4 that there is the power moved up by the top lift of the gas sprayed by stomata.
In another optional embodiment, in order to simplify the structure for driving the rocker piece 4 mobile, do not increase additional
Power source or component, it is preferred that as shown in Fig. 12, at the inner wall of the air inlet 51, specifically air inlet it is close with
The position that rocker piece 4 connects, the air inlet 53 being formed at the first side wall 42 for extending to the rocker piece 4, i.e., the described air inlet
The overturning angle to left down of hole 53, while the outlet side 531 of the air inlet 53 is close to the bottom surface 49 of the rocker piece 4, the outlet
It is formed with the venthole 54 for extending to the second sidewall 43 of the rocker piece 4 at mouthfuls 52 inner wall, i.e., the described venthole 54 is towards the right side
Lower inclination, meanwhile, the bottom surface 49 of the inlet end 541 of venthole 54 and the rocker piece 4 is close to work as high pressure gas from air inlet
Mouthfuls 51 when entering granular gas mixing chamber 34b, partial high pressure air can be entered by air inlet 53 bottom surface of rocker piece 4 with
Gap between the slot bottom of the locating slot of pedestal 5, and be discharged from the venthole of the other side 54, the bottom of rocker piece 4 is persistently received
To gas upward lifting force to making bottom discharge block 3 connected to it and the periphery of the shaft be held against.
Further, bottom surface and the pedestal 5 of the rocker piece 4 are entered from the air inlet 43 for the ease of high pressure gas
Between inner bottom surface, as shown in Fig. 13, it is formed at apex angle 410 under the first of the rocker piece 4 and connects with the air inlet 53
Logical air inlet notch 44, described second descends to form the outlet air notch 45 that the venthole 54 is connected at apex angle 420.
In actual use, the air inlet 51 connects high-pressure air source (not shown), and the rocker piece 4 is in the high pressure
It is lifted under the action of upward thrust caused by air-flow of the distribution of gas source from 4 flows of rocker piece, to make bottom discharge
Block 3 is bonded with the holding of the periphery of the shaft 1.
Finally, in order to reduce the abrasion between shaft 1 and upper feeding block 2 and the contact surface of bottom discharge block 3, they can be adopted
It is made of metal material, such as stainless steel, and can be with depositing diamond-like coating on their contact surface, or applies Boot
Fluorine long paint, in another embodiment, they can be directly made by teflon material, so as to utilize the wear-resisting of material
Property and self-lubricating property improve service life, while reduce abrasion generate gap possibility.
This programme further discloses a kind of anti-secondary pollution dry ice cleaning method, includes the following steps:
S1 provides the dry ice cleaner with above-mentioned Dry ice cleaning nozzle.
S2, the supply line for first opening protective gas supply protective gas, form protection air curtain by the curtain nozzle, and
And make to protect air curtain alignment surface to be cleaned.
S3, at this point, opening dry ice lumps feeding mechanism, deicing and supplying high-pressure air source, deicing crushes to obtain
Dry ice powder enter in dry ice gas mixer 80 mixed with the air-flow of high-pressure air source and with air-flow by dry ice delivery pipe 20 into
Enter the formation dry ice jet stream of nozzle body 10 to clean surface to be cleaned.
S4, after completing cleaning, nozzle body 10 stops injection dry ice jet stream, at this point, keeping the supply of protective gas makes to prevent
Shield air curtain is kept it turned on, until completing the dry tack free of cleaning and restoring to room temperature, is stopped protective gas supply, is completed most
Cleaning eventually.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention
Case is within the scope of the present invention.
Claims (11)
1. Dry ice cleaning nozzle, it is characterised in that: including
Nozzle body (10) has structure and the dry ice jet-impingement channel (101) of connection dry ice delivery pipe (20)；
Curtain nozzle (30), is disposed around the periphery of the nozzle body (10) comprising is disposed around the nozzle body (10) outside
The inner cavity (301) in week and the company for connecting protection gas source for passing through protective gas pipe (40) being connected to the inner cavity (301)
Interface (302), the curtain nozzle (30) form and are disposed around dry ice jet stream (50) periphery that the nozzle body (10) ejects
Protection air curtain (60).
2. Dry ice cleaning nozzle according to claim 1, it is characterised in that: dry ice jet-impingement channel (101) packet
It includes the pipe linkage section (1011) of connection and accelerates to spray section (1012), the input end size of the pipe linkage section (1011) is greater than it
It is described to accelerate to spray the common end of section (1012) and pipe linkage section (1011) with the size for the common end for accelerating to spray section 1012
Size is less than the outlet end size for accelerating to spray section (1012).
3. Dry ice cleaning nozzle according to claim 2, it is characterised in that: the outlet end of the nozzle body (10) to
The distance of clean the surface is greater than the outlet side to the surface of object to be cleaned of the curtain nozzle (30).
4. Dry ice cleaning nozzle according to claim 1, it is characterised in that: the nozzle body (10) is removably disposed
In the centre bore (303) of the curtain nozzle (30).
5. Dry ice cleaning nozzle according to claim 1, it is characterised in that: the protection gas source is by heating and purification
Dried and clean gas.
6. dry ice cleaner, it is characterised in that: including any Dry ice cleaning nozzle of claim 1-5.
7. dry ice cleaner according to claim 6, it is characterised in that: the nozzle body (10) passes through dry ice delivery pipe
(20) connect dry ice gas mixer 80(70), the dry ice gas mixer 80(70) include can rotation shaft (1), institute
It states and is formed on the periphery of shaft (1) fluted (11), the periphery periphery of the shaft (1) is equipped with to be bonded with its periphery
Upper feeding block (2) and lower mixing chamber (34a), the upper feeding block (2) have the feed opening (21) that can be connected to the groove,
The lower mixing chamber (34a) has the granular gas mixing chamber (34b) that can be connected to the groove (11), the lower mixing chamber
Body (34a) is set in a pedestal (5), and the pedestal (5) has the air inlet (51) being connected to the granular gas mixing chamber
With gas outlet (52).
8. dry ice cleaner according to claim 7, it is characterised in that: the lower mixing chamber includes bottom discharge block (3)
And rocker piece (4), the channel (31) of the inside groove (41) with communication groove (11) and rocker piece (4) on the bottom discharge block (3),
The air inlet (51) and gas outlet (52) are connected to the inside groove (41) of the rocker piece (4), and the channel (31) includes at least
The through-hole of two bottoms for being located at discharging block (3), the through-hole it is of different size, the biggish through-hole of width close to it is described into
Port.
9. dry ice cleaner according to claim 8, it is characterised in that: setting in the inside groove (41) of the rocker piece (4)
Have deflector (42), the partition portion (35) of two through-holes of the top surface (421) of the deflector (42) and discharging block (3)
Basal surface position is opposite, the bottom surface of the inside groove (41) of the two sides (422,423) and deflector two sides of the deflector (42) (411,
412) cambered surface continuously risen from air inlet to gas outlet direction or curved surface are respectively formed and is connected from air inlet to gas outlet direction
The cambered surface or curved surface of continuous decline.
10. dry ice cleaner according to claim 8, it is characterised in that: be formed at the inner wall of the air inlet (51)
The air inlet (53) at the first side wall (42) of the rocker piece (4) is extended to, is formed at the inner wall of the gas outlet (52)
Extend to the venthole (54) of the second sidewall (43) of the rocker piece (4)；Shape at the first of the rocker piece lower apex angle (410)
The air inlet notch (44) of air inlet described in Cheng Youyu (53) connection, the second of the rocker piece descend at apex angle (420) to be formed described
The outlet air notch (45) of venthole (54) connection.
11. anti-secondary pollution dry ice cleaning method, characterized by the following steps:
S1 provides the dry ice cleaner as described in claim 6-10 is any；
S2, supply protective gas forms protection air curtain, and is directed at surface to be cleaned
S3 forms dry ice jet stream and cleans to surface to be cleaned；
S4 after completing cleaning, stops dry ice jet stream, keeps protection air curtain to be opened into the dry tack free for completing cleaning and restores to room
Temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634725.9A CN110369403B (en) | 2019-07-15 | 2019-07-15 | Dry ice cleaning nozzle, dry ice cleaning machine and secondary pollution prevention dry ice cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634725.9A CN110369403B (en) | 2019-07-15 | 2019-07-15 | Dry ice cleaning nozzle, dry ice cleaning machine and secondary pollution prevention dry ice cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110369403A true CN110369403A (en) | 2019-10-25 |
| CN110369403B CN110369403B (en) | 2024-02-13 |
Family
ID=68253097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910634725.9A Active CN110369403B (en) | 2019-07-15 | 2019-07-15 | Dry ice cleaning nozzle, dry ice cleaning machine and secondary pollution prevention dry ice cleaning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110369403B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493782A (en) * | 2020-04-27 | 2020-08-07 | 深圳市中安动力科技有限公司 | Multifunctional tableware rapid spraying and washing device |
| CN111570413A (en) * | 2020-05-21 | 2020-08-25 | 镭射谷科技（深圳）股份有限公司 | Dry ice crusher and dry ice processing system who constitutes thereof |
| CN111922779A (en) * | 2020-09-14 | 2020-11-13 | 哈尔滨理工大学 | Low-temperature micro-lubricating double-nozzle device suitable for cutting SiCp/Al composite material |
| CN113457869A (en) * | 2021-09-01 | 2021-10-01 | 苏州好博医疗器械股份有限公司 | Spray head protection device of steam injection equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259555A (en) * | 2000-03-17 | 2001-09-25 | Nippon Sanso Corp | Dry ice snow-cleaning method and apparatus using the same |
| CN102335879A (en) * | 2011-09-30 | 2012-02-01 | 电子科技大学 | Dry ice particle spray rinsing device and use method thereof |
| CN203526146U (en) * | 2013-10-15 | 2014-04-09 | 迪普干冰制造(大连)有限公司 | Powder dry ice cleaning gun |
| TW201822906A (en) * | 2016-12-20 | 2018-07-01 | 冷研科技有限公司 | Dry ice cleaning device with dust collection capable of achieving dual purposed of applying dry ice cleaning and sucking dust and hazardous matter in air in one machine |
| CN109277220A (en) * | 2018-10-31 | 2019-01-29 | 厦门理工学院 | It is a kind of with the Dry ice cleaning nozzle for stablizing dry ice and flowing to function |
| CN109318133A (en) * | 2018-10-31 | 2019-02-12 | 儒众智能科技（苏州）有限公司 | A kind of liquid nitrogen and dry ice mixing deburring nozzle |
| CN208679490U (en) * | 2018-05-30 | 2019-04-02 | 机械工业第四设计研究院有限公司 | A kind of Dry ice cleaning nozzle with deflector |
| CN208787099U (en) * | 2018-05-31 | 2019-04-26 | 郓城万通干冰设备自动化有限公司 | A kind of ingredient sector and its dry ice cleaner |
| CN210647553U (en) * | 2019-07-15 | 2020-06-02 | 儒众智能科技（苏州）有限公司 | Dry ice cleaning nozzle and dry ice cleaning machine |
-
2019
- 2019-07-15 CN CN201910634725.9A patent/CN110369403B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259555A (en) * | 2000-03-17 | 2001-09-25 | Nippon Sanso Corp | Dry ice snow-cleaning method and apparatus using the same |
| CN102335879A (en) * | 2011-09-30 | 2012-02-01 | 电子科技大学 | Dry ice particle spray rinsing device and use method thereof |
| CN203526146U (en) * | 2013-10-15 | 2014-04-09 | 迪普干冰制造(大连)有限公司 | Powder dry ice cleaning gun |
| TW201822906A (en) * | 2016-12-20 | 2018-07-01 | 冷研科技有限公司 | Dry ice cleaning device with dust collection capable of achieving dual purposed of applying dry ice cleaning and sucking dust and hazardous matter in air in one machine |
| CN208679490U (en) * | 2018-05-30 | 2019-04-02 | 机械工业第四设计研究院有限公司 | A kind of Dry ice cleaning nozzle with deflector |
| CN208787099U (en) * | 2018-05-31 | 2019-04-26 | 郓城万通干冰设备自动化有限公司 | A kind of ingredient sector and its dry ice cleaner |
| CN109277220A (en) * | 2018-10-31 | 2019-01-29 | 厦门理工学院 | It is a kind of with the Dry ice cleaning nozzle for stablizing dry ice and flowing to function |
| CN109318133A (en) * | 2018-10-31 | 2019-02-12 | 儒众智能科技（苏州）有限公司 | A kind of liquid nitrogen and dry ice mixing deburring nozzle |
| CN210647553U (en) * | 2019-07-15 | 2020-06-02 | 儒众智能科技（苏州）有限公司 | Dry ice cleaning nozzle and dry ice cleaning machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111493782A (en) * | 2020-04-27 | 2020-08-07 | 深圳市中安动力科技有限公司 | Multifunctional tableware rapid spraying and washing device |
| CN111570413A (en) * | 2020-05-21 | 2020-08-25 | 镭射谷科技（深圳）股份有限公司 | Dry ice crusher and dry ice processing system who constitutes thereof |
| CN111922779A (en) * | 2020-09-14 | 2020-11-13 | 哈尔滨理工大学 | Low-temperature micro-lubricating double-nozzle device suitable for cutting SiCp/Al composite material |
| CN113457869A (en) * | 2021-09-01 | 2021-10-01 | 苏州好博医疗器械股份有限公司 | Spray head protection device of steam injection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110369403B (en) | 2024-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110369403A (en) | Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution dry ice cleaning method | |
| US20200130023A1 (en) | Vacuum spray apparatus and uses thereof | |
| US10730062B2 (en) | Nozzle system and method | |
| CN110238132A (en) | Solid particle and gas mixer, dry ice cleaner and its visualization cleaning method | |
| CN201235325Y (en) | Airflow type atomizer | |
| US5551458A (en) | Process for cleaning pipe lines | |
| US20220134366A1 (en) | Nozzle handle apparatus with built-in air regulation | |
| CN210647553U (en) | Dry ice cleaning nozzle and dry ice cleaning machine | |
| CN103889600A (en) | Vacuum steam cleaning apparatus and method | |
| CN110732236A (en) | Spray tower for air purification furnaces | |
| WO2022181666A1 (en) | Air nozzle | |
| CN110216090A (en) | A kind of cleaning device for kiln car | |
| CN210647552U (en) | Solid particle and gas mixer and dry ice cleaning machine | |
| CN112605070B (en) | Dry ice cleaning machine with dry ice batching dish seal structure | |
| JP3168316B2 (en) | Tube and equipment cleaning method, and tube and equipment cleaning apparatus used for implementing the method | |
| JP2004223410A (en) | Frozen carbon dioxide blast washing device | |
| CN207887428U (en) | A kind of application rotation cup cleaning device | |
| JP3547522B2 (en) | Exhaust turbine supercharger cleaning equipment | |
| KR200299381Y1 (en) | Dryice blasting machine | |
| JPS61265275A (en) | Blast equipment | |
| JP2020146656A (en) | Nozzle of dry ice cleaning machine | |
| CN215864508U (en) | Drying system | |
| JP4625159B2 (en) | Rotating nozzle unit for wet blasting | |
| JP2023024137A (en) | air nozzle | |
| CN219335221U (en) | Dry ice high-pressure spraying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |