CN217612133U - Disinfection spraying device capable of enhancing diffusivity - Google Patents
Disinfection spraying device capable of enhancing diffusivity Download PDFInfo
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- CN217612133U CN217612133U CN202221138974.2U CN202221138974U CN217612133U CN 217612133 U CN217612133 U CN 217612133U CN 202221138974 U CN202221138974 U CN 202221138974U CN 217612133 U CN217612133 U CN 217612133U
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Abstract
The utility model provides a disinfection spraying device for enhancing diffusivity; the sterilizing and killing device comprises a steam source, a disinfectant source and a spray head, wherein a mixing channel is arranged in the spray head, the steam source is communicated with the inlet end of the mixing channel through a first pipeline, the disinfectant source is communicated with the inlet end of the mixing channel through a second pipeline, and the outlet end of the mixing channel is open; the inner wall of the mixing channel is provided with a spiral guide groove to disturb different media in the mixing channel to realize mixing; aiming at the problem that the sterilization effect is not good due to insufficient diffusivity during sterilization in the current public space, steam output by a steam source is mixed with disinfectant liquid drops output by a disinfectant source, the steam entrains the disinfectant liquid drops to improve the suspension time of the disinfectant liquid drops, the sterilization capacity of viruses in the space is improved, meanwhile, the nozzle with the spiral guide groove is used for disturbing the mixture of the steam and the disinfectant liquid drops, the mixing degree is improved, and the mixture is promoted to diffuse in the space area.
Description
Technical Field
The utility model relates to a kill equipment field, in particular to disinfection atomizer of reinforcing diffusivity.
Background
The disinfection and killing of the public area is a routine flow of cleaning work, and along with submission of requirements on the safe environment of the public area, the public area needs to be disinfected periodically, for example, the public area needs to be disinfected periodically, and the disinfection and killing requirements exist in places with large mobility of people, such as hospitals and service halls, and in addition, outdoor or indoor temporary medical facilities.
The inventor finds that the disinfection of public space mostly adopts a manual spray disinfection mode at present, various disinfection robots exist in the market at present, but the defects still exist, when the disinfectant is directly sprayed or diluted, the diffusivity is poor, the suspension state is difficult to form, and the virus disinfection performance in the space is poor; in addition, the disinfectant with large liquid drops is difficult to suspend, can quickly settle to the surface of a public facility under the action of gravity, influences the disinfection effect, is difficult to comprehensively and uniformly cover the space during manual disinfection, and is difficult to effectively popularize in a large range due to the problems of cost and reliability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defect that prior art exists, provide a disinfection atomizer of reinforcing diffusivity, utilize steam source output steam and disinfectant source output disinfectant liquid drop to mix, steam smugglies its suspension time secretly, improves the ability of killing of virus in the space, simultaneously, utilizes the shower nozzle that has the heliciform guide slot to realize the disturbance to steam, disinfection liquid drop mixture, improves the mixedness and promotes the diffusion of mixture in the space region.
In order to realize the purpose, the following technical scheme is adopted:
a disinfection spraying device for enhancing diffusivity comprises a steam source, a disinfectant source and a spray head, wherein a mixing channel is arranged in the spray head, the steam source is communicated with the inlet end of the mixing channel through a first pipeline, the disinfectant source is communicated with the inlet end of the mixing channel through a second pipeline, and the outlet end of the mixing channel is open; the inner wall of the mixing channel is provided with a spiral guide groove to disturb different media in the mixing channel to realize mixing.
Further, the nozzle is connected with an impeller, and the impeller faces the outlet end of the mixing channel.
Further, the impellers are coaxially distributed with the outlet end of the mixing channel; the nozzle is connected with the impeller through the wheel carrier, and the impeller is rotatably arranged on the wheel carrier.
Furthermore, along the axial direction of the mixing channel, the mixing channel is a reducing channel.
Further, the diameter of the mixing channel gradually increases in the direction from the inlet end to the outlet end of the mixing channel.
Furthermore, the inner wall of the mixing channel is provided with a plurality of spiral guide grooves which are distributed upwards along the mixing channel at uniform intervals, and spiral guide bulges are formed between the adjacent spiral guide grooves.
Furthermore, the track lines of the guide grooves are all spiral lines around the axis of the mixing channel, and the rotating directions of all the guide grooves in the same mixing channel are the same.
Furthermore, a first pipe orifice of the first pipeline communicated with the mixing channel and a second pipe orifice of the second pipeline communicated with the mixing channel are arranged in a staggered mode, and the second pipe orifice is closer to the outlet end of the mixing channel than the first pipe orifice.
Further, the second pipe orifice is arranged in a necking mode.
Further, a pumping assembly is connected to the source of sterilant.
Compared with the prior art, the utility model has the advantages and positive effect be:
(1) Aiming at the problem that the sterilization effect is not good due to insufficient diffusivity during sterilization in the current public space, steam output by a steam source is mixed with disinfectant liquid drops output by a disinfectant source, the steam entrains the disinfectant liquid drops to improve the suspension time of the disinfectant liquid drops, the sterilization capacity of viruses in the space is improved, meanwhile, the nozzle with the spiral guide groove is used for disturbing the mixture of the steam and the disinfectant liquid drops, the mixing degree is improved, and the mixture is promoted to diffuse in the space area.
(2) Set up the impeller in shower nozzle exit position, when the disinfectant was exported from shower nozzle exit position in steam smuggleing secretly, utilize the air current that forms to drive the impeller and rotate, the impeller carries the disinfectant to steam smuggleing secretly when rotating and carries out radial promotion to for it applys radial initial velocity, improve the diffusibility of disinfectant in the space, realize the even cover of disinfectant.
(3) The mixing channel is configured to be a reducing channel, so that mixture airflow of steam output by the steam source and disinfectant output by the disinfectant source is fully mixed in the spray head, the mixture airflow is disturbed by utilizing the uniformly distributed guide grooves, and steam carrying disinfectant liquid drops are kept suspended in the space for a certain time.
(4) The positions of the first pipe orifice and the second pipe orifice are configured, and the first pipe orifice for outputting steam is positioned behind the second pipe orifice for outputting disinfectant along the output direction of the mixture airflow, so that the steam airflow can impact disinfectant liquid drops in front, and the mixing degree of the disinfectant liquid drops is improved.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of a diffusion-enhanced disinfecting spray apparatus according to example 1 of the present invention.
Fig. 2 is a schematic view of a showerhead according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of the internal structure of the sprinkler in embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of an impeller in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of another impeller in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of another impeller in embodiment 1 of the present invention.
In the figure, 1 is a liquid drop generator, 2 is a steam generator, 3 is a second pipeline, 4 is a first pipeline, 5 is a spray head, 6 is an impeller, 7 is a heater, 8 is a booster pump, 9 is a guide groove, and 10 is a wheel frame.
Detailed Description
Example 1
In a typical embodiment of the present invention, as shown in fig. 1-6, a diffusion enhanced disinfection spray device is provided.
The disinfection spraying device with the enhanced diffusivity shown in fig. 1 is used for outputting a mixture of steam carrying disinfectant liquid drops to carry out disinfection work, and the steam carrying the disinfectant liquid drops forms fog to suspend in a space, so that the disinfection capability of viruses in the space is improved, and especially the disinfection requirement of a large-space public area can be met.
With reference to fig. 1, the disinfection spraying device with enhanced diffusivity mainly comprises a steam source, a disinfectant source, a pipeline and a nozzle 5, wherein the pipeline obtains a steam output nozzle 5 from the steam source, and obtains a disinfectant liquid drop input nozzle 5 from the disinfectant source, the nozzle 5 mixes steam and disinfectant and outputs the mixed steam and disinfectant, the mixing degree is improved by using the disturbance of a guide groove 9 in the nozzle, and a fog-like mixture meeting the disinfection requirement of a public space is output.
In the embodiment, the steam source and the disinfectant source are respectively communicated with the spray head 5 through pipelines; as shown in fig. 3, a mixing channel is arranged in the nozzle 5, the steam source is communicated with the inlet end of the mixing channel through a first pipeline 4, the disinfectant source is communicated with the inlet end of the mixing channel through a second pipeline 3, and the outlet end of the mixing channel is open.
Meanwhile, the guide groove 9 of the spray head 5 is arranged on the inner wall of the mixing channel and is spiral, so that the air flow can be disturbed when passing through, and different media in the mixing channel can be disturbed to realize mixing; in this embodiment, the steam medium output from the first pipeline 4 and the disinfectant droplet medium output from the second pipeline 3 are disturbed to achieve the purpose of thorough mixing.
As shown in fig. 1, after mixing of steam and disinfectant is realized by using a nozzle 5 and its internal structure, the diffusion capacity of the mixture when outputting is improved by using an impeller 6, the nozzle 5 is connected with the impeller 6, and the impeller 6 faces the outlet end of the mixing channel; the impeller 6 and the outlet end of the mixing channel are coaxially distributed; the nozzle 5 is connected to the impeller 6 through the wheel frame 10, and the impeller 6 is rotatably mounted on the wheel frame 10.
As shown in fig. 3, 4, 5 and 6, the impeller 6 may take various forms, and a plurality of blades included in the impeller 6 have a streamline shape and are uniformly distributed in a circumferential direction of a rotation axis thereof.
For the installation of the impeller 6, the impeller 6 can be used as the shaft of the impeller 6 through a connecting piece such as a screw rod, the wheel frame 10 is connected through the screw rod, and the impeller 6 is installed on the wheel frame 10; meanwhile, in order to reduce the influence on the diffusion effect of the mixture, the wheel frame 10 adopts a frame type structure, so that the shielding of the mixture diffusion is reduced, and the resistance of the mixture output is reduced.
When the steam entrains the disinfectant and is output from the outlet position of the spray head 5, the formed air flow is utilized to drive the impeller 6 to rotate, and the impeller 6 radially pushes the steam entrains the disinfectant when rotating, so that the radial initial speed is applied to the steam entrains the disinfectant, the diffusion capacity of the disinfectant in the space is improved, and the disinfectant is uniformly covered.
For the structure of the nozzle 5, with reference to fig. 2 and 3, the mixing channel is a variable diameter channel along the axial direction of the mixing channel; the diameter of the mixing channel increases gradually in the direction from the inlet end to the outlet end of the mixing channel. The mixing channel is in a horn-shaped structure with gradually changed radial sectional area, so that the mixing effect is promoted by utilizing the change of the sectional area.
In addition, the volume of a mixing channel in the spray head 5 can be improved through the gradual change of the sectional area, and the mixing channel is configured into a reducing channel, so that the mixture airflow of the steam output by the steam source and the disinfectant output by the disinfectant source is fully mixed in the spray head 5.
As shown in fig. 3, the inner wall of the mixing channel is provided with a plurality of spiral guide grooves 9, the spiral guide grooves 9 are distributed upwards along the mixing channel, all the spiral guide grooves 9 are distributed at equal intervals, spiral guide protrusions are formed between the adjacent spiral guide grooves 9, the guide grooves 9 and the guide protrusions are sequentially distributed in turn along the circular direction, and the disturbance of the air flow in the mixing channel is realized.
The trajectory lines of the guide grooves 9 are spiral lines around the axis of the mixing channel, the rotating directions of all the guide grooves 9 in the same mixing channel are the same, the uniformly distributed guide grooves 9 are used for disturbing the mixture airflow, the mixture airflow is given a spiral initial speed, the impeller 6 is convenient to push to rotate, and the steam carrying disinfectant liquid drops are kept suspended in the space for a certain time.
As shown in fig. 1, for the steam source, which uses a steam generator 2, water can be heated by a heater 7, and steam generated after the water is evaporated is delivered to a spray head 5 through a first pipeline 4; the disinfectant source is connected with a pumping assembly; the disinfectant source adopts a liquid drop generator 1, a pressurizing pump 8 is selected as a pumping component, disinfectant liquid drops are formed under the action of the liquid drop generator 1, and the disinfectant liquid drops are output to the second pipeline 3 through the pressurizing pump 8 and then are supplied to the spray head 5.
Steam generator 2, droplet generator 1 combine the pipeline to form atomizer, can seal droplet generator 1, steam generator 2 and corresponding supply circuit, control scheme etc. in the inside of box, draw out to the box outside through first pipeline 4 and second pipeline 3 and communicate with shower nozzle 5.
A first pipe orifice of the first pipeline 4 communicated with the mixing channel and a second pipe orifice of the second pipeline 3 communicated with the mixing channel are arranged in a staggered mode, and the second pipe orifice is closer to the outlet end of the mixing channel than the first pipe orifice.
The positions of the first pipe orifice and the second pipe orifice are configured, and the first pipe orifice for outputting steam is positioned behind the second pipe orifice for outputting disinfectant along the output direction of the mixture airflow, so that the steam airflow can impact disinfectant liquid drops in front, and the mixing degree of the disinfectant liquid drops is improved.
In this embodiment, the second mouth of pipe throat sets up, and second pipeline 3 is as the liquid pipe, and liquid drop generator 1 one side that disinfectant corresponds is connected with force (forcing) pump 8, and one side links to each other with the liquid pipe, and force (forcing) pump 8's output parameter selection is 0.4Mpa ~ 0.6Mpa, makes liquid drop generator 1 form produced liquid drop diameter be 5 microns ~ 20 microns under the high pressure effect, satisfies public area's the demand of killing.
It can be understood that the liquid pipe is made of stainless steel, the inlet of the liquid pipe is connected with the liquid drop generator 1 in a matching way, and the outlet is matched with the mixed spray head 5 after being contracted. The first pipeline 4 is used as a steam pipe, the power of the heater 7 is matched with the required steam flow, and the formed steam is conveyed to the mixing nozzle 5 through the steam pipe.
In addition, the steam pipe is made of stainless steel, and the length design is according to the formula
Calculation of where G g Is the steam flow rate, C p Is the specific heat capacity of steam, k is the heat exchange coefficient of the stainless steel pipeline under the design condition, D is the equivalent diameter of the steam pipe, t in And t out Temperature t of steam at inlet and outlet of steam pipe air Is the ambient air temperature. This design allows the temperature of the formed vapor to be reduced before reaching the mixing head 5, preventing the disinfectant droplets from failing due to high temperatures.
The nozzle 5 is further provided with an angle adjusting structure for adjusting the direction of the outlet of the nozzle 5 so as to change the output direction of the mixture airflow, one side of the mixing nozzle 5 is connected with the outlet of the steam pipe and the outlet of the liquid pipe, wherein the outlet of the steam pipe is vertically below the outlet of the liquid pipe, and in the posture shown in fig. 3, the right side of the nozzle 5 is used as the front, the left side of the nozzle 5 is used as the back, and the outlet of the liquid pipe is about 10 mm-50 mm behind the outlet of the steam pipe.
In this embodiment, when the device is actually running, a set of operating parameters is given:
the flow rate of the disinfectant is 140ml/min, and the pressure is 0.4Mpa;
the steam flow in the steam generator 2 is 540ml/min;
the second pipe orifice of the second pipeline 3 corresponding to the disinfectant is contracted to the diameter of 2mm;
the length of the first pipeline 4 corresponding to the steam is 2m;
the length of a mixing channel in the nozzle 5 is 10mm, and the maximum diameter of an outlet end is 5mm;
the disinfectant range sprayed by the disinfection spraying device with enhanced diffusivity can meet the requirement in space, and the mixture of the disinfectant and the steam can realize stable diffusion under the action of the impeller 6.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A disinfection spraying device for enhancing diffusivity is characterized by comprising a steam source, a disinfectant source and a spray head, wherein a mixing channel is arranged in the spray head, the steam source is communicated with the inlet end of the mixing channel through a first pipeline, the disinfectant source is communicated with the inlet end of the mixing channel through a second pipeline, and the outlet end of the mixing channel is open; the inner wall of the mixing channel is provided with a spiral guide groove to disturb different media in the mixing channel to realize mixing.
2. The enhanced diffusivity sterilization spray device of claim 1 wherein said spray head has an impeller attached thereto, the impeller being directed toward the outlet end of the mixing channel.
3. An enhanced diffusivity sanitizing spray device as claimed in claim 2 wherein said impellers are located coaxially with the outlet end of the mixing channel; the nozzle is connected with the impeller through the wheel carrier, and the impeller is rotatably arranged on the wheel carrier.
4. The enhanced diffusivity sterilization spray device of claim 1 wherein along the axial direction of said mixing channel, the mixing channel is a variable diameter channel.
5. An enhanced diffusivity disinfection spray device as claimed in claim 4 wherein the diameter of the mixing channel increases progressively from the inlet end to the outlet end of the mixing channel.
6. An enhanced diffusibility disinfectant spray device as set forth in claim 1, wherein said mixing channel is provided with a plurality of spiral guide grooves on an inner wall thereof, all of which are uniformly spaced upward along the mixing channel, and spiral guide protrusions are formed between adjacent spiral guide grooves.
7. An enhanced diffusivity disinfection spray device as claimed in claim 6 wherein said guide slots have trajectories which are all helical about the axis of the mixing channel and all guide slots in the same mixing channel have the same direction of rotation.
8. The enhanced diffusivity sterilization spray device of claim 1 wherein the first orifice of the first tubing communicating mixing channel is offset from the second orifice of the second tubing communicating mixing channel, the second orifice being closer to the outlet end of the mixing channel than the first orifice.
9. An enhanced diffusivity sanitizing spray device as claimed in claim 8 wherein said second orifice constriction is provided.
10. The enhanced diffusivity sanitizing spray device of claim 1 wherein said source of sanitizer is coupled to a pumping assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138974.2U CN217612133U (en) | 2022-05-12 | 2022-05-12 | Disinfection spraying device capable of enhancing diffusivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221138974.2U CN217612133U (en) | 2022-05-12 | 2022-05-12 | Disinfection spraying device capable of enhancing diffusivity |
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| Publication Number | Publication Date |
|---|---|
| CN217612133U true CN217612133U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221138974.2U Active CN217612133U (en) | 2022-05-12 | 2022-05-12 | Disinfection spraying device capable of enhancing diffusivity |
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| CN (1) | CN217612133U (en) |
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- 2022-05-12 CN CN202221138974.2U patent/CN217612133U/en active Active
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