CN114235540A - Automatic smear spray-painting device and spray-painting method - Google Patents
Automatic smear spray-painting device and spray-painting method Download PDFInfo
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- CN114235540A CN114235540A CN202111384825.4A CN202111384825A CN114235540A CN 114235540 A CN114235540 A CN 114235540A CN 202111384825 A CN202111384825 A CN 202111384825A CN 114235540 A CN114235540 A CN 114235540A
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- 238000007592 spray painting technique Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title description 5
- 239000007921 spray Substances 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 238000004043 dyeing Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000000889 atomisation Methods 0.000 claims description 11
- 238000010186 staining Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000010422 painting Methods 0.000 abstract description 2
- 210000004369 blood Anatomy 0.000 description 7
- 239000008280 blood Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 108010077544 Chromatin Proteins 0.000 description 1
- 206010036790 Productive cough Diseases 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 210000003855 cell nucleus Anatomy 0.000 description 1
- 210000003483 chromatin Anatomy 0.000 description 1
- 230000003583 cytomorphological effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011206 morphological examination Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 210000003802 sputum Anatomy 0.000 description 1
- 208000024794 sputum Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/06—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
- G01N1/31—Apparatus therefor
- G01N2001/317—Apparatus therefor spraying liquids onto surfaces
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Fiber Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an automatic smear spray-painting device, which comprises: a showerhead core having a showerhead inlet and at least one cavity injection port in communication with the showerhead inlet; the nozzle cap is provided with a nozzle cavity, at least two rotational flow inlets, a rotational flow chamber and a nozzle outlet which are sequentially communicated; the spray head core is inserted into the spray head cap in a matching mode, dye liquor enters the spray head cavity through the cavity filling opening after being injected from the spray head inlet, then enters the cyclone chamber through the cyclone inlet in a tangential direction, forms cyclone in the cyclone chamber and finally is sprayed out from the spray head outlet. The automatic smear spray-painting device provided by the invention can spray the dyeing liquid on the surface of the smear by arranging the small-sized low-pressure rotational flow atomizing nozzle with the plurality of tangential rotational flow inlets, and compared with manual drop-painting, the automatic smear spray-painting device has the advantages of uniform dyeing, high dyeing efficiency and the like.
Description
Technical Field
The invention relates to the technical field of clinical examination, in particular to an automatic smear spray-painting device and a spray-painting method.
Background
The morphological examination of microorganisms in medical examination is an important means for judging clinical pathogens, and before microscopic examination, a plurality of samples such as blood, urine, sputum and the like need to be smeared, and at present, an artificial drop staining mode is usually adopted. For example, microscopic examination of blood smears is the gold standard for blood cytomorphological analysis, and plays an important role in clinical examination, and the quality of the smear also affects the pathological diagnosis result. The clinical small-batch dyeing of the blood smear is usually carried out by manually dropping a dye solution by an inspection doctor, and the dyeing method has the defects of large dye solution consumption, uneven dyeing depth and dye deposition caused by uneven mixing of the dye solution, and difficult standardization of the finally prepared blood smear. Therefore, it is of great importance to improve the staining pattern of the smear.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an automatic smear spray-painting device aiming at the defects in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that: an automatic smear spray-painting device comprising:
a showerhead core having a showerhead inlet and at least one cavity injection port in communication with the showerhead inlet;
the nozzle cap is provided with a nozzle cavity, at least two rotational flow inlets, a rotational flow chamber and a nozzle outlet which are sequentially communicated;
the cyclone chamber comprises a cylindrical cavity section and an inverted conical cavity section which are communicated with each other, and an output port of the cyclone inlet is tangentially communicated with the cylindrical cavity section;
the spray head core is inserted into the spray head cap in a matching mode, dye liquor enters the spray head cavity through the cavity filling opening after being injected from the spray head inlet, then enters the cyclone chamber through the cyclone inlet in a tangential direction, forms cyclone in the cyclone chamber and finally is sprayed out from the spray head outlet.
Preferably, the cavity injection port is in communication with the showerhead inlet via a transfer passage.
Preferably, the nozzle core comprises a core body and an injection head connected to the tail end of the core body, the conveying channel is formed in the core body, and the nozzle inlet is formed at the front end of the core body;
at least one open groove communicated with the conveying channel is formed in the side wall of the injection head, and the open groove and a communication port of the conveying channel form the cavity injection port.
Preferably, a column hole is formed in the spray head cap from the bottom of the spray head cavity downwards, and the section of the column cavity is communicated with the bottom of the column hole.
Preferably, at least 2 rectangular grooves which penetrate through the column holes and are communicated with the cylindrical cavity section are formed in the bottom of the nozzle cavity downwards, and the ports, communicated with the cylindrical cavity section, of the rectangular grooves form the rotational flow inlets.
Preferably, the bottom of the nozzle cap is provided with an opening communicated with the nozzle outlet, and the diameter of the opening is larger than that of the nozzle outlet.
Preferably, the outer periphery of the core body is further provided with an annular upper positioning flange, and the upper end of the nozzle cap is provided with an annular lower positioning flange.
Preferably, after the nozzle core is inserted into the nozzle cap, the core is inserted into the nozzle cavity in a matching manner, the upper positioning flange is pressed against the lower positioning flange in a matching manner, and the injection head is inserted into the column hole in a matching manner; at the moment, the conveying channel is communicated with the spray head cavity through the open groove, and the spray head cavity is communicated with the spray head outlet sequentially through the rectangular groove, the cylindrical cavity section and the inverted conical cavity section.
Preferably, the rectangular groove comprises 4 rotational flow inlets which are uniformly arranged at intervals, and the open groove comprises 2 rotational flow inlets which are uniformly arranged at intervals so as to form 2 cavity injection ports.
Preferably, the diameter of the nozzle inlet is 3mm, the length and the width of the rectangular groove are 0.5mm and 0.3mm respectively, the inner diameter of the upper port of the inverted cone-shaped cavity section is 2mm, and the inner diameter of the lower port is 0.4 mm;
the pressure of dye liquor injected into the nozzle inlet is more than 0 and not more than 0.3 MPa.
Preferably, the step of staining the smear by the device comprises:
1) the dye liquor injection pressure is measured in advance to be P0The atomization angle of the dye liquor sprayed from the spray nozzle outlet is the cone angle of a cone-shaped body formed by diffusion of the dye liquor sprayed from the spray nozzle outlet after the dye liquor passes through the cone-shaped body;
2) determining the minimum circle O capable of completely covering the area to be dyed on the coatingminIs calculated from the center of the nozzle outlet to the minimum circle O according to the following formulaminThe vertical distance h between the centers of circles of (c):
3) make the outlet of the spray head at the minimum circle OminAt the position h right above the center of the circle, with the pressure as P0And injecting a dye solution into the nozzle inlet to dye the smear.
The invention has the beneficial effects that: the automatic smear spray-painting device provided by the invention can spray the dyeing liquid on the surface of the smear by arranging the small-sized low-pressure rotational flow atomizing nozzle with the plurality of tangential rotational flow inlets, and compared with manual drop-painting, the automatic smear spray-painting device has the advantages of uniform dyeing, high dyeing efficiency and the like.
Drawings
FIG. 1 is a schematic structural view of an automatic smear spray-painting apparatus according to the present invention;
FIG. 2 is a schematic structural view of the nozzle core of the present invention;
FIG. 3 is a schematic structural view of the head cap of the present invention;
FIG. 4 is a schematic view showing the internal structure of the automatic smear spray-painting apparatus according to the present invention;
FIG. 5 is a schematic sectional view showing the automatic smear spray-painting apparatus according to the present invention;
fig. 6 is a cross-sectional view of the nozzle cap of the present invention;
FIG. 7 is a schematic view of a dye coverage area in an embodiment of the present invention;
FIG. 8 is a schematic illustration of the spray angle at different injection pressures in an embodiment of the present invention;
FIG. 9 is a stained blood smear micrograph image in an example of the present invention.
Description of reference numerals:
1-nozzle core; 10-a core body; 11-an injection head; 12-grooving; 13-upper positioning flange;
2-nozzle cap; 20-column pore; 21-a rectangular groove; 22-lower locating flange; 23, opening holes;
3-nozzle inlet; 4, conveying a channel; 5-cavity injection port; 6-a nozzle cavity; 7-swirl inlet;
8-a swirl chamber; 80-a cylindrical cavity section; 81-inverted cone shaped cavity section;
9-nozzle outlet.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
As shown in fig. 1 to 6, an automatic smear spray-painting apparatus of the present embodiment includes:
a head core 1 having a head inlet 3 and at least one cavity injection port 5 communicating with the head inlet 3;
the nozzle cap 2 is provided with a nozzle cavity 6, at least two rotational flow inlets 7, a rotational flow chamber 8 and a nozzle outlet 9 which are communicated in sequence;
the cyclone chamber 8 comprises a cylindrical cavity section 80 and an inverted conical cavity section 81 which are communicated with each other, and an output port of the cyclone inlet 7 is tangentially communicated with the cylindrical cavity section 80;
the spray head core 1 is inserted in the spray head cap 2 in a matching way, dye liquor is injected from the spray head inlet 3 and then enters the spray head cavity 6 through the cavity injection port 5, and then enters the swirl chamber 8 through the swirl inlet 7 along the tangential direction, so that swirl is formed in the swirl chamber 8 and finally sprayed out from the spray head outlet 9.
In this embodiment, the cavity inlet 5 communicates with the showerhead inlet 3 through the transfer passage 4. The nozzle core 1 comprises a core body 10 and an injection head 11 connected to the tail end of the core body 10, a conveying channel 4 is formed in the core body 10, and a nozzle inlet 3 is formed at the front end of the core body 10; the side wall of the injection head 11 is provided with at least one open slot 12 communicated with the conveying channel 4, and the communicating port of the open slot 12 and the conveying channel 4 forms a cavity injection port 5. In the preferred embodiment, the slot 12 comprises 2, forming 2 cavity injection ports 5.
In this embodiment, a column hole 20 is formed in the nozzle cap 2 downward from the bottom of the nozzle cavity 6, and the cylindrical cavity section 80 is communicated with the bottom of the column hole 20. The bottom of the spray head cavity 6 is also downwards provided with at least 2 rectangular grooves 21 which penetrate through the column holes 20 and are communicated with the cylindrical cavity section 80, and the ports where the rectangular grooves 21 are communicated with the cylindrical cavity section 80 form a rotational flow inlet 7. In the preferred embodiment, the rectangular slot 21 comprises 4, forming 4 swirl inlets 7 arranged at regular intervals.
In this embodiment, the bottom of the nozzle cap 2 is provided with an opening 23 communicated with the nozzle outlet 9, and the diameter of the opening 23 is larger than that of the nozzle outlet 9.
In this embodiment, the outer periphery of the core 10 is further provided with an annular upper positioning flange 13, and the upper end of the head cap 2 is provided with an annular lower positioning flange 22. After the nozzle core 1 is inserted into the nozzle cap 2, the core 10 is inserted into the nozzle cavity 6 in a matching way, the upper positioning flange 13 is pressed on the lower positioning flange 22 in a matching way, and the injection head 11 is inserted into the column hole 20 in a matching way; at this time, the conveying passage 4 is communicated with the nozzle cavity 6 through the slot 12, and the nozzle cavity 6 is communicated with the nozzle outlet 9 through the rectangular groove 21, the cylindrical cavity section 80 and the inverted conical cavity section 81 in sequence.
In a preferred embodiment, the nozzle inlet 3 has a diameter of 3mm, the rectangular slot 21 has a length and a width of 0.5mm and 0.3mm, respectively, the inverted conical cavity section 81 has an upper port with an inner diameter of 2mm and a lower port with an inner diameter of 0.4 mm; the pressure of the dye liquor injection nozzle inlet 3 is 0.2-0.3 MPa.
The working process is as follows:
dye liquor is by injecting into by shower nozzle entry 3 under the pressure effect, then get into shower nozzle cavity 6 through 2 cavity injection mouths 5, it forms the whirl to get into the swirl chamber 8 along the tangential through 4 whirl entries 7 again, do high-speed rotary motion along toper swirl chamber 8 inner walls under the centrifugal force effect, because 8 below adoption back taper structures of swirl chamber, will obtain great axial velocity and radial velocity when dye liquor flows 8 end of swirl chamber, consequently, dye liquor can be spouted with the form of conical body liquid film in shower nozzle export 9 department, high-speed liquid film again with the relative violent motion of air, tear and break into tiny droplet.
Wherein, dye liquor from the spray nozzle 9 spun angle of atomization to the spatial region of atomizing field and the distribution of droplet, because dye liquor spreads into the atomizing form of approximate cone after 9 blowout of spray nozzle, through measuring the angle of atomization, according to the size in the region that the smear needs to be dyed again, can calculate out the height of spray nozzle 9 apart from the smear to can guarantee to carry out spray-dyeing according to the regional size of needs. Wherein, the atomization angle is the cone angle of the cone body formed by the dye liquid after being sprayed out from the nozzle outlet 9, and the cone angle is as follows: the angle between two generatrices of the axial section of the cone (section through the axis of the cone); the atomization field is the bottom surface of the cone, namely the spray dyeing area.
In a preferred embodiment, the step of staining the smear by the device comprises:
1) the dye liquor injection pressure is measured in advance to be P0The atomization angle of the dye liquor sprayed from the spray head outlet 9 is the cone angle of a cone body formed by diffusion of the dye liquor sprayed from the spray head outlet 9 after the dye liquor passes through the cone body;
2) referring to FIG. 7, a minimum circle O capable of completely covering the area to be dyed on the paint is determinedminIs calculated according to the following formulaCalculating the center of the nozzle outlet 9 to the minimum circle OminThe vertical distance h between the centers of circles of (c):
3) with the nozzle outlet 9 at the smallest circle OminAt the position h right above the center of the circle, with the pressure as P0Dye solution is injected into the nozzle inlet 3 to dye the smear.
For example, in one embodiment, atomization angle images under the conditions that the dye liquor injection pressures are respectively 0.1, 0.12, 0.14, 0.16, 0.18, 0.2, 0.22 and 0.24MPa are collected, corresponding atomization angles are measured, in order to reduce measurement errors and accurately estimate the sizes of the atomization angles, five images are respectively taken at each test pressure for measurement, and an average value is obtained; angle measurements were made by ImageJ software and referring to figure 8, it can be seen that as the injection pressure was gradually increased from 0.1MPa to 0.24MPa, the spray angle of the spray head increased from 56.72 ° to 77.17 °. When the injection pressure reaches 0.2MPa, the atomization angle is finally stabilized between 76 and 78 degrees. The data show that the minimum distance parameter between the smear and the spray head is between 34 and 51mm within the selected pressure range of 0.1 to 0.24 MPa.
In a further embodiment, the device is applied to staining of blood smears and compared to the effect of manual instillation. Specifically, two smears were individually subjected to Rayleigh-Giemsa spray staining (using the apparatus of the invention) and traditional manual drop staining. The parameters of spray-painting are that the smear is placed 35mm under the spray nozzle, the injection pressure is 0.2MPa, and the stained, washed and dried blood cells are observed under a microscope as shown in figure 9(a), so that the cell nucleus is purplish red, the chromatin structure is clear, and a better staining effect is achieved. Compared with the manual drop dyeing figure 9(b), the spray dyeing figure 9(a) has higher spray dyeing efficiency, more uniform dyeing and lighter background color, and is beneficial to subsequent operations of identification, classification, counting and the like.
It will be appreciated that the device of the present invention may also be applied to smear staining of microorganisms and other pathogens.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (10)
1. The utility model provides an automatic spray-painting device of smear which characterized in that includes:
a showerhead core having a showerhead inlet and at least one cavity injection port in communication with the showerhead inlet;
the nozzle cap is provided with a nozzle cavity, at least two rotational flow inlets, a rotational flow chamber and a nozzle outlet which are sequentially communicated;
the cyclone chamber comprises a cylindrical cavity section and an inverted conical cavity section which are communicated with each other, and an output port of the cyclone inlet is tangentially communicated with the cylindrical cavity section;
the spray head core is inserted into the spray head cap in a matching mode, dye liquor enters the spray head cavity through the cavity filling opening after being injected from the spray head inlet, then enters the cyclone chamber through the cyclone inlet in a tangential direction, forms cyclone in the cyclone chamber and finally is sprayed out from the spray head outlet.
2. The automatic smear spray painting apparatus according to claim 1 wherein the cavity injection port is in communication with the nozzle inlet through a transfer passage.
3. The automatic smear spray painting apparatus according to claim 2 wherein the nozzle core comprises a core body and an injection head connected to a distal end of the core body, the transfer passage being formed in the core body, the nozzle inlet being formed at a front end of the core body;
at least one open groove communicated with the conveying channel is formed in the side wall of the injection head, and the open groove and a communication port of the conveying channel form the cavity injection port.
4. The automatic smear spray painting device according to claim 3, wherein a column hole is opened downwards from the bottom of the nozzle cavity in the nozzle cap, and the section of the cylindrical cavity is communicated with the bottom of the column hole.
5. The automatic smear spray painting device according to claim 4, wherein the bottom of the nozzle cavity is further opened with at least 2 downward rectangular grooves passing through the column hole and communicating with the cylindrical cavity section, and the ports of the rectangular grooves communicating with the cylindrical cavity section form the cyclone inlet.
6. The automatic smear spray painting apparatus according to claim 5, wherein the core body is further provided at its outer circumference with an annular upper positioning flange, and the upper end of the head cap is provided with an annular lower positioning flange.
7. The automatic spray painting device for smears according to claim 6, wherein after the nozzle core is inserted into the nozzle cap, the core is inserted into the cavity of the nozzle in a matching manner, the upper positioning flange is pressed against the lower positioning flange in a matching manner, and the injection head is inserted into the column hole in a matching manner; at the moment, the conveying channel is communicated with the spray head cavity through the open groove, and the spray head cavity is communicated with the spray head outlet sequentially through the rectangular groove, the cylindrical cavity section and the inverted conical cavity section.
8. The automatic smear spray painting apparatus according to claim 7 wherein the rectangular slots comprise 4, forming 4 swirl inlets evenly spaced apart, the slots comprise 2, to form 2 cavity injection ports.
9. The automatic spray painting device for the smear according to claim 8, wherein the diameter of the nozzle inlet is 3mm, the length and the width of the rectangular groove are 0.5mm and 0.3mm, respectively, the inner diameter of the upper port of the inverted conical cavity section is 2mm, and the inner diameter of the lower port is 0.4 mm;
the pressure of dye liquor injected into the nozzle inlet is more than 0 and not more than 0.3 MPa.
10. An automatic smear spraying and dyeing apparatus according to any one of claims 1 to 9 wherein the apparatus staining the smear comprises:
1) the dye liquor injection pressure is measured in advance to be P0The atomization angle of the dye liquor sprayed from the spray nozzle outlet is the cone angle of a cone-shaped body formed by diffusion of the dye liquor sprayed from the spray nozzle outlet after the dye liquor passes through the cone-shaped body;
2) determining the minimum circle O capable of completely covering the area to be dyed on the coatingminIs calculated from the center of the nozzle outlet to the minimum circle O according to the following formulaminThe vertical distance h between the centers of circles of (c):
3) make the outlet of the spray head at the minimum circle OminAt the position h right above the center of the circle, with the pressure as P0And injecting a dye solution into the nozzle inlet to dye the smear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384825.4A CN114235540B (en) | 2021-11-22 | 2021-11-22 | Automatic smear spray-dyeing device and spray-dyeing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384825.4A CN114235540B (en) | 2021-11-22 | 2021-11-22 | Automatic smear spray-dyeing device and spray-dyeing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114235540A true CN114235540A (en) | 2022-03-25 |
| CN114235540B CN114235540B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111384825.4A Active CN114235540B (en) | 2021-11-22 | 2021-11-22 | Automatic smear spray-dyeing device and spray-dyeing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120168538A1 (en) * | 2009-10-16 | 2012-07-05 | Tiefu Han | Spin Annular Slit Spray Nozzle and Spray Apparatus Thereof |
| CN104368462A (en) * | 2014-11-21 | 2015-02-25 | 浙江爱力浦科技股份有限公司 | Spiral flow type methanol injection atomizer |
| CN105855078A (en) * | 2016-06-15 | 2016-08-17 | 北京航空航天大学 | Centrifugal nozzle with multihole cyclone wall and spray method |
| CN207076573U (en) * | 2016-11-30 | 2018-03-09 | 福建天广消防有限公司 | A kind of pressure type foam spray nozzle |
| CN110449283A (en) * | 2019-09-12 | 2019-11-15 | 河北工业大学 | A kind of novel atomized nozzle based on bubble cutting |
| CN212090635U (en) * | 2020-02-28 | 2020-12-08 | 萃联（中国）消防设备制造有限公司 | Vortex spraying atomizing nozzle |
| CN112254125A (en) * | 2020-10-14 | 2021-01-22 | 华中科技大学 | Spiral-flow type pressure atomizing nozzle |
-
2021
- 2021-11-22 CN CN202111384825.4A patent/CN114235540B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120168538A1 (en) * | 2009-10-16 | 2012-07-05 | Tiefu Han | Spin Annular Slit Spray Nozzle and Spray Apparatus Thereof |
| CN104368462A (en) * | 2014-11-21 | 2015-02-25 | 浙江爱力浦科技股份有限公司 | Spiral flow type methanol injection atomizer |
| CN105855078A (en) * | 2016-06-15 | 2016-08-17 | 北京航空航天大学 | Centrifugal nozzle with multihole cyclone wall and spray method |
| CN207076573U (en) * | 2016-11-30 | 2018-03-09 | 福建天广消防有限公司 | A kind of pressure type foam spray nozzle |
| CN110449283A (en) * | 2019-09-12 | 2019-11-15 | 河北工业大学 | A kind of novel atomized nozzle based on bubble cutting |
| CN212090635U (en) * | 2020-02-28 | 2020-12-08 | 萃联（中国）消防设备制造有限公司 | Vortex spraying atomizing nozzle |
| CN112254125A (en) * | 2020-10-14 | 2021-01-22 | 华中科技大学 | Spiral-flow type pressure atomizing nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114235540B (en) | 2024-01-23 |
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