CN109876343A - Protective device, applicator and the fire extinguishing system of applicator - Google Patents
Protective device, applicator and the fire extinguishing system of applicator Download PDFInfo
- Publication number
- CN109876343A CN109876343A CN201910276181.3A CN201910276181A CN109876343A CN 109876343 A CN109876343 A CN 109876343A CN 201910276181 A CN201910276181 A CN 201910276181A CN 109876343 A CN109876343 A CN 109876343A
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- Prior art keywords
- applicator
- shield
- covering members
- protective device
- absorption member
- Prior art date
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- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 41
- 239000006260 foam Substances 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims description 37
- 239000007921 spray Substances 0.000 claims description 28
- 238000012216 screening Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 4
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 33
- 230000000694 effects Effects 0.000 description 8
- 230000006399 behavior Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003595 mist Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- -1 starting source Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011493 spray foam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention is suitable for outdoor substation technical field of fire control, provides protective device, applicator and the fire extinguishing system of a kind of applicator.The protective device of applicator includes shield, covering members and at least one set of bindiny mechanism for being located at the outside of head body, and one end of shield has exit portal, and covering members are arranged at the exit portal of shield；Bindiny mechanism is for being flexibly connected shield and covering members, and the foam mixing liquid for spraying because of applicator is detached from covering members from exit portal.Applicator includes the protective device of head body and applicator.Fire extinguishing system includes applicator.The protective device of applicator provided by the invention; by the way that the shield being radiated at outside head body and the covering members being flexibly connected with shield are arranged; it is in head body in the environment of opposing seal; to completely cut off with natural causes such as extraneous dust storm, haze, sleet, applicator is made to keep cleaning and unobstructed.
Description
Technical field
The invention belongs to outdoor substation technical field of fire control, are to be related to a kind of protection of applicator more specifically
Device, applicator and fire extinguishing system.
Background technique
Foam firefighting technology is to develop relatively rapid novel main transformer depressor fire-fighting mode in the recent period, mainly by fluid reservoir, synthesize
Fire foam, starting source, nitrogen power source, control valve, water mist spraying head, pipeline, fire alarm and control system composition.It is adopted
With a certain proportion of synthesis type fire retardant extinguisher is added in water, under pressure, by dedicated water mist spraying head, by it
It is ejected on power transformer, extinguishes fire rapidly.Foam firefighting technology is a kind of fire-fighting technique of clean and effective, for change
The fire that main transformer occurs in power station has good extinguishing effect, and foam firefighting spray head is foam fire fighting system key
Component, therefore there is very practical value to the research of foam firefighting nozzle protecting device.
The extinguishment requirement of froth fire extinguishing system: spray intensity will reach 8L/minm2 or more, and the device feed flow time is wanted
Reaching 15min or more, spray outlet pressure will reach 0.35MPa or more, however for open air station, foam firefighting spray
Exposed summer rainwater is abundant in air, and foam firefighting spray head easily corrodes；Winter temperature is lower, is easy to happen icing,
It is wreaked havoc plus dust storm, haze in recent years, so that foam firefighting spray head easily blocks, this will largely effect on attack time and go out
Fiery effect, to influence the life cycle management of main transformer.The research of applicator protective device is only limited at present
Water spray spray head, when protective device is loaded on the region vulnerable to collision, for preventing from mechanically or physically damaging, firm protection is set up
Meter is for minimizing a possibility that damage of head, and water fender is in shelf or below grid-like interlayer or other need to protect
The region that shield spray head is not influenced by top spray head watering.Spray head fender bracket (cover) prevents to collide mainly for the protection of spray head
When damage spray head, the glass marble that can effectively prevent sprinkler tip is ruptured by collision, so as not to fire-fighting system generate false alarm and produce
Raw unnecessary loss.However the protective device of outdoor foam firefighting spray head is also not directed to, meanwhile, existing protective device
It is chiefly used in anticollision, for dust storm, haze, for rain and snow weather there is no preferable prevention effect, dust storm, haze, sleet etc. are natural
The blocking of nozzle mouth is easily caused, thus there is very urgent necessity for the protective device of outdoor applicator.
Summary of the invention
The purpose of the present invention is to provide a kind of protective devices of applicator, it is intended to solve bubble existing in the prior art
Foam applicator is easy the technical issues of being blocked by natural causes such as dust storm, haze, sleet.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of protective device of applicator, comprising:
Shield, for being located at the outside of head body, one end of the shield has exit portal；
Covering members, covering are arranged at the exit portal of the shield；And
At least one set of bindiny mechanism, for being flexibly connected the shield and the covering members, and for because fire-fighting is sprayed
The foam mixing liquid that head sprays is detached from the covering members from the exit portal.
Further, the covering members are haze dust storm net.
Further, the connection structure include magnetic absorption member and with can with the magnetic absorption member adsorb by magnetic absorption member；
The magnetic absorption member is arranged on the shield, described to be arranged on the covering members by magnetic absorption member；Alternatively, the magnetic absorption member is set
It sets on the covering members, it is described to be arranged on the shield by magnetic absorption member.
Further, it is hinged with the shield also to pass through hinge for the covering members.
Further, the bindiny mechanism is located at the middle part or top of the shield and the covering members, the hinge
Positioned at the lower part of the shield and the covering members.
Further, the protective device of the applicator further includes the pipeline button for being connected with head body screw thread
Silk, the one end of the shield far from the exit portal buckles silk with the pipeline and is connected.
Further, the shield is taper cover, and the exit portal is located at the big end of the taper cover, the screening
The outer rim of cover piece protrudes from the exit portal, and the outer rim of the covering members is less than or equal to the big end of the taper cover.
Further, the exit portal is equipped with gasket.
It is a further object of the present invention to provide a kind of applicators, the guarantor including head body and above-mentioned applicator
Protection unit.
Another object of the present invention is to provide a kind of fire extinguishing system, including above-mentioned applicator.
Protective device, applicator and the fire extinguishing system of applicator provided by the invention are radiated at spray head by setting
This external shield and the covering members being flexibly connected with shield, are in head body in the environment of opposing seal, from
And completely cut off with natural causes such as extraneous dust storm, haze, sleet, so that applicator is kept cleaning and unobstructed, delays applicator
Corrosion rate, while the foam mixing liquid that applicator sprays can be such that covering members and shield is detached from easily, thus not shadow
Ring fire-extinguishing operations.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of applicator provided in an embodiment of the present invention；
Fig. 2 is the perspective structure schematic diagram of applicator provided in an embodiment of the present invention；
Fig. 3 is schematic diagram of the applicator provided in an embodiment of the present invention when fire-fighting is applied.
In figure: 1- shield；2- covering members；3- hinge；4- pipeline button silk；5- gasket；6- bindiny mechanism；61- magnetic
Part；62- is by magnetic absorption member；7- head body.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that term " length ", " width ", " height ", " thickness ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " head ", " tail " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
It should also be noted that, unless otherwise clearly defined and limited, " installation ", " connected ", " connection ", " fixation ",
Terms such as " settings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element.For the ordinary skill in the art, Ke Yigen
The concrete meaning of above-mentioned term in the present invention is understood according to concrete condition.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In addition, " multiple ", " several " are meant that two or more, unless
Separately there is clearly specific restriction.
Referring to Figure 1 to Fig. 3, now the embodiment of the protective device of applicator provided by the invention is illustrated.Disappear
The protective device of preventing spray head, comprising: shield 1, covering members 2 and at least one set of bindiny mechanism 6.
Wherein, shield 1, is located at the periphery of (applicator) head body 7, and one end of shield 1 has exit portal.
When there is fire behavior, the foam mixing liquid that head body 7 ejects sprays from the exit portal of shield 1.
Covering members 2 are in the head body being arranged in shield 17 for covering at the exit portal of shield 1
Sealing state, such dust storm, haze, sleet would not dissipate easily to shield 1, thus to applicator cleaning and
It is unobstructed to bring guarantee, delay head body 7 to be corroded by natural cause.
Bindiny mechanism 6, for being flexibly connected shield 1 and covering members 2, such covering members 2 can be torn open from shield 1
Dress.
In addition, bindiny mechanism 6 be it is a kind of it is " light " connect, do not monitor fire behavior when, covering members 2 are fastened on out always
At loophole, shield 1 is in air-tight state；When there is fire behavior, the foam mixing liquid that head body 7 ejects (want by spray intensity
Reach 8L/minm2 or more) bindiny mechanism 6 of covering members 2 and shield 1 can be made to fail easily, such covering members 2
Just as the effect of foam mixing liquid and be detached from from shield 1, the exit portal of shield 1 is also just open, and applicator can
It is put out a fire with continuing spray foam mixed liquor.During entire fire behavior, the protection of applicator provided in an embodiment of the present invention
Device has substantially no effect on fire-extinguishing operations.
Optionally, bindiny mechanism 6 can be velcro and the types of attachment such as connect, is tightly coupled.
The protective device of applicator provided in an embodiment of the present invention, by the way that the shield being radiated at outside head body is arranged
And the covering members being flexibly connected with shield, be in head body in the environment of opposing seal, thus with extraneous dust storm,
The natural causes such as haze, sleet isolation, make applicator keep cleaning and it is unobstructed, delay the corrosion rate of applicator, simultaneously
The foam mixing liquid that applicator sprays can be such that covering members and shield are detached from easily, to not influence fire-extinguishing operations.
Here it should also be specified that application method described above is also only preferable application method of the invention,
It is not intended to restrict the invention, other behaviors based on application method and purposes of the invention should also be included in protection of the invention
Within the scope of.
A kind of specific embodiment of protective device as applicator provided by the invention, covering members 2 are haze
Dust storm net.The exit portal mean level or down-set of shield 1, so shield 1 is typically used as keeping out sleet, covering members
2 are generally possible to keep out haze and dust storm.Haze dust storm net can not only stop haze and dust storm, also have certain permeability
And visuality, in order to operator in the case where not dismantling covering members 2 from exit portal.
Referring to Figure 1 and Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Connection structure 6 include magnetic absorption member 61 and with can with magnetic absorption member 61 adsorb by magnetic absorption member 62；The setting of magnetic absorption member 61 is being protected
On cover 1, it is arranged on covering members 2 by magnetic absorption member 62.Magnetic absorption member 61 and shield 1 can effectively be met by the setting of magnetic absorption member 62
With " light " connection relationship of covering members 2, under no impact force action, covering members 2 can be attracted with shield 1, prevent sleet, mist
The intrusion of haze and dust storm magnetic absorption member 61 and will be separated, covering members under the percussion of foam mixing liquid by magnetic absorption member 62
2 also just fall off from shield 1.
Referring to Figure 1 and Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Connection structure 6 include magnetic absorption member 61 and with can with magnetic absorption member 61 adsorb by magnetic absorption member 62；The setting of magnetic absorption member 61 is covering
On part 2, it is arranged on shield 1 by magnetic absorption member 62.Magnetic absorption member 61 and shield 1 can effectively be met by the setting of magnetic absorption member 62
With " light " connection relationship of covering members 2, under no impact force action, covering members 2 can be attracted with shield 1, prevent sleet, mist
The intrusion of haze and dust storm magnetic absorption member 61 and can be separated, covering members 2 under the percussion of foam mixing liquid by magnetic absorption member 62
Also it just falls off from shield 1.
A kind of specific embodiment of protective device as applicator provided by the invention, magnetic absorption member 61 are magnet,
It can be magnet or ferromagnetism block by magnetic absorption member 62.Magnetic absorption member 61 and bonding, welding machine or card can be passed through by magnetic absorption member 62
It the forms such as connects to be arranged on covering members 2 or shield 1.
Referring to Figure 1 to Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Covering members 2 and shield 1 are also hinged by hinge 3.In this way under impact force action, the connection function of connection structure 6 fails, and hides
Cover piece 2 and shield 1, which are detached from, exposes exit portal not influence fire-extinguishing operations, but because of the hinged effect of hinge 3, covering members 2
There is no being completely fallen off from shield 1, to place the loss that falls off of covering members 2, convenient for reusing.
Referring to Figure 1 to Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Bindiny mechanism 6 is located at middle part or the upper position of shield 1 and covering members 2, and hinge 3 is then located under shield 1 and covering members 2
Portion position, with anti-interference.
Referring to Figure 1 to Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
For the ease of install shield 1, the protective device of applicator provided in an embodiment of the present invention further include for head body 7
The connected pipeline button silk 4 of screw thread, the one end of shield 1 far from exit portal buckles silk 4 with pipeline and is connected.
Specifically, pipeline button silk 4 is equipped with internal screw thread, and the periphery of head body 7 or pipeline is equipped with to be threadedly engaged with internal screw thread
External screw thread, in this way utilize pipeline button silk 4, shield 1 can be simply mounted on applicator, and pipeline button silk 4
The sealing performance of side is also fine, efficiently avoids haze and dust storm.
Referring to Figure 1 to Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Shield 1 is taper cover, and exit portal is located at the big end of taper cover.The outer rim of covering members 2 protrudes from exit portal, but covering members
2 outer rim is less than or equal to the big end of taper cover, such covering members 2 because the withstanding effect of taper cover without because of wind
Equal natural external forces and to falling off inside shield 1,2 meetings of covering members take off outward because of impact force inside shield 1
From.
Fig. 3 is referred to, a kind of specific embodiment of the protective device as applicator provided by the invention, in order to more
So that shield 1 is in sealed environment well, is equipped with gasket 5 at exit portal.
Referring to Figure 1 to Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Connection structure 6 shares three groups, and 90 degree of settings are separated by between the connection structure 6 of each adjacent sets.
Referring to Figure 1 to Fig. 3, a kind of specific embodiment of the protective device as applicator provided by the invention,
Each connection structure 6 is arranged at the top of hinge 3, and 90 degree of settings are respectively spaced between three groups of connection structures 6 and hinge 3.
Referring to Figure 1 to Fig. 3, the present invention also provides a kind of applicators, including head body 7 and above-mentioned fire-fighting
The protective device of spray head.
Applicator provided in an embodiment of the present invention, by be arranged the shield that is radiated at outside head body and with protection
The covering members being flexibly connected are covered, are in head body in the environment of opposing seal, thus with extraneous dust storm, haze, sleet
Etc. natural causes isolation, so that applicator is kept cleaning and unobstructed, delay the corrosion rate of applicator, while applicator sprays
Foam mixing liquid out can be such that covering members and shield are detached from easily, to not influence fire-extinguishing operations.
It further includes matched fluid reservoir, synthesis that the present invention also provides a kind of fire extinguishing systems including above-mentioned applicator
Fire foam, starting source, nitrogen power source, control valve, water mist spraying head, pipeline, fire alarm and control system etc..
Alarm and control system are for supervising fire behavior, once monitoring fire behavior, alarm and control system will be to control valves
Signal is controlled with sendings such as starting sources, starts the process of synthetic foam extinguishing chemical, fire foam is finally by pipeline transportation to spray
Head ontology 7 simultaneously sprays from head body.
Fire extinguishing system provided in an embodiment of the present invention, by be arranged the shield that is radiated at outside head body and with protection
The covering members being flexibly connected are covered, are in head body in the environment of opposing seal, thus with extraneous dust storm, haze, sleet
Etc. natural causes isolation, so that applicator is kept cleaning and unobstructed, delay the corrosion rate of applicator, while applicator sprays
Foam mixing liquid out can be such that covering members and shield are detached from easily, to not influence fire-extinguishing operations.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. the protective device of applicator characterized by comprising
Shield, for being located at the outside of head body, one end of the shield has exit portal；
Covering members, covering are arranged at the exit portal of the shield；And
At least one set of bindiny mechanism, for being flexibly connected the shield and the covering members, and for because applicator sprays
Foam mixing liquid out is detached from the covering members from the exit portal.
2. the protective device of applicator as described in claim 1, which is characterized in that the covering members are haze dust storm
Net.
3. the protective device of applicator as described in claim 1, which is characterized in that the connection structure include magnetic absorption member with
And with can with the magnetic absorption member adsorb by magnetic absorption member；The magnetic absorption member is arranged on the shield, described by magnetic absorption member
It is arranged on the covering members；Alternatively, the magnetic absorption member is arranged on the covering members, it is described to be prevented by magnetic absorption member setting described
On shield.
4. the protective device of applicator as described in claim 1, which is characterized in that the covering members and the shield are also
It is hinged by hinge.
5. the protective device of applicator as claimed in claim 4, which is characterized in that the bindiny mechanism is located at the protection
The middle part or top of cover and the covering members, the hinge are located at the lower part of the shield and the covering members.
6. the protective device of applicator as described in claim 1, which is characterized in that the protective device of the applicator is also
Including the pipeline button silk for being connected with head body screw thread, the one end of the shield far from the exit portal and the pipeline
Silk is detained to be connected.
7. the protective device of applicator as claimed in any one of claims 1 to 6, which is characterized in that the shield is taper
Cover, the exit portal are located at the big end of the taper cover, and the outer rim of the covering members protrudes from the exit portal, the screening
The outer rim of cover piece is less than or equal to the big end of the taper cover.
8. the protective device of applicator as claimed in any one of claims 1 to 6, which is characterized in that the exit portal is equipped with close
Packing.
9. applicator, including head body, which is characterized in that further include such as the described in any item fire-fighting sprays of claim 1-8
The protective device of head.
10. fire extinguishing system, which is characterized in that including applicator as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276181.3A CN109876343A (en) | 2019-04-08 | 2019-04-08 | Protective device, applicator and the fire extinguishing system of applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910276181.3A CN109876343A (en) | 2019-04-08 | 2019-04-08 | Protective device, applicator and the fire extinguishing system of applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109876343A true CN109876343A (en) | 2019-06-14 |
Family
ID=66936446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910276181.3A Pending CN109876343A (en) | 2019-04-08 | 2019-04-08 | Protective device, applicator and the fire extinguishing system of applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109876343A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803843A (en) * | 2020-06-01 | 2020-10-23 | 黄沪秀 | Sensor security alarm device for fire |
| CN115337433A (en) * | 2022-09-21 | 2022-11-15 | 甘泉县畜牧兽医服务中心 | Livestock breeding house is with disinfection atomizer for poultry |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111803843A (en) * | 2020-06-01 | 2020-10-23 | 黄沪秀 | Sensor security alarm device for fire |
| CN111803843B (en) * | 2020-06-01 | 2022-04-12 | 山东皓康智能科技有限公司 | Sensor security alarm device for fire |
| CN115337433A (en) * | 2022-09-21 | 2022-11-15 | 甘泉县畜牧兽医服务中心 | Livestock breeding house is with disinfection atomizer for poultry |
| CN115337433B (en) * | 2022-09-21 | 2024-03-01 | 甘泉县畜牧兽医服务中心 | Disinfection spraying device for livestock raising house for livestock raising |
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