CN209333515U - A kind of self-cleaning perchloric acid laboratory hood - Google Patents
A kind of self-cleaning perchloric acid laboratory hood Download PDFInfo
- Publication number
- CN209333515U CN209333515U CN201822130955.5U CN201822130955U CN209333515U CN 209333515 U CN209333515 U CN 209333515U CN 201822130955 U CN201822130955 U CN 201822130955U CN 209333515 U CN209333515 U CN 209333515U
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- Prior art keywords
- agitation tank
- laboratory hood
- pipeline
- tank
- cleaning
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Abstract
The utility model discloses a kind of self-cleaning perchloric acid laboratory hoods, including laboratory hood, further include several sprinkler heads, automatic liquid matching component, lye tank and metering pump；Several sprinkler heads are installed in the gas gathering mask of laboratory hood；The automatic liquid matching component includes Agitation Tank, stirring motor and blender；The Agitation Tank is installed in laboratory hood；The stirring motor is installed in Agitation Tank, and is arranged with separation sleeve outside stirring motor, the liquid for being isolated in Agitation Tank；The blender is fixedly arranged on the end of the drive shaft of stirring motor, and blender protrudes into Agitation Tank；The metering pump is installed in lye tank；The first water inlet is offered on the Agitation Tank, first water inlet is connected to by the first pipeline with tap water transfer pipeline；The second water inlet is offered on the Agitation Tank, second water inlet is connect by the second pipeline with metering pump；Water outlet is offered on the Agitation Tank, the water outlet is connect with several sprinkler heads respectively by third pipeline.
Description
Technical field
The utility model relates to laboratory equipment fields, and in particular to a kind of self-cleaning perchloric acid laboratory hood.
Background technique
Air draft cabinet equipment is widely used in Modern Laboratory, is adjusted by the air quantity of laboratory hood, to guarantee lab assistant
Safety and laboratory environment it is not contaminated.
Due to the particularity of perchloric acid, perchloric acid laboratory hood also needs to protect other than the air volume control with laboratory hood guarantees
The inner wall and duct wall for demonstrate,proving vent cabinet cannot generate perchloric acid cohesion and crystallization.Because perchloric acid crystallization runs up to certain thickness
Afterwards, it encounters water or vibration and easily generates burning or explosion, to easily be damaged to lab assistant and equipment.
Currently, generally using following treatment measures to eliminate perchloric acid cohesion and crystallize issuable security risk:
(1) lab assistant frequency laboratory hood and pipeline are manually cleaned；(2) in the market, using aqueous slkali to perchloric acid
Laboratory hood carries out spray cleaning, and spray assemblies include: to neutralize liquid storing barrel, recycling bin, lye tank, circulating pump, match liquid pump and spray
Head etc..
However, existing cleaning way, usually has the problem that the mode (1) manually cleaned exists and does not wash clean clearly
The problem of, in addition, having an effect on the working time of laboratory scientific research personnel preciousness；(2) since laboratory hood space is limited, laboratory hood
Lower cabinet is occupied by spray assemblies completely, and the actually active space of laboratory hood is less；The overall structure and pipeline of spray assemblies compared with
It is extremely disadvantageous in maintenance for complexity；In addition, when cleaning solution is delivered to spray head by circulating pump, larger the making an uproar of circulating pump generation
Sound easily influences the normal experimental work of lab assistant.
Utility model content
The purpose of this utility model is to provide a kind of self-cleaning perchloric acid laboratory hoods, are delivered to spray head spray in cleaning solution
During leaching, noise is lower.
To achieve the above object, the utility model provides the following technical solutions: a kind of self-cleaning perchloric acid laboratory hood, including
Laboratory hood further includes several sprinkler heads, automatic liquid matching component, lye tank and metering pump；
Several sprinkler heads are installed in the gas gathering mask of laboratory hood；
The automatic liquid matching component includes Agitation Tank, stirring motor and blender；The Agitation Tank is installed in laboratory hood；
The stirring motor is installed in Agitation Tank, and is arranged with separation sleeve outside stirring motor, the liquid for being isolated in Agitation Tank；Institute
On the end for stating the drive shaft that blender is fixedly arranged on stirring motor, and blender protrudes into Agitation Tank, for stirring in Agitation Tank
Liquid；
The lye tank is installed in laboratory hood；The metering pump is installed in lye tank；
The first water inlet is offered on the Agitation Tank, first water inlet passes through the first pipeline and tap water delivery pipe
Road connection, and electrically operated valve A is installed on the first pipeline；
The second water inlet is offered on the Agitation Tank, second water inlet is connect by the second pipeline with metering pump,
And second pipeline form the fluid flow paths between Agitation Tank and lye tank；
Water outlet is offered on the Agitation Tank, the water outlet is connect with several sprinkler heads respectively by third pipeline,
And third pipeline forms the fluid flow paths of Agitation Tank and several sprinkler heads.
Further, the Agitation Tank is installed on the bottom plate inside laboratory hood.
Further, the lye tank is installed on the bottom plate inside laboratory hood.
Further, electrically operated valve B is installed on second pipeline.
Further, further include controller, the controller for control electrically operated valve A, electrically operated valve B, metering pump and
The running of stirring motor.
Further, from front to back, the front end of the bottom plate of the gas gathering mask is higher than the rear end of bottom plate.
Further, further include recycling bin, the recycling bin is fixedly arranged on supporting bable tops, and accept cleaning perchloric acid after
Waste water.
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model provides power using the pressure of tap water for sprinkler head, eliminates the use of water circulating pump, no
Only save cost, meanwhile, improve the space utilization rate of laboratory hood, reduce the noise of equipment, have structure it is simple, convenient for dimension
The characteristics of shield；
(2) the utility model uses automatic solution proportioning apparatus, it can be achieved that matching liquid online；In addition, built-in stirring motor, it can be fast
Speed stirs evenly lye, saves laboratory hood space, more efficiently.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the right side view of Fig. 1；
In figure: 1- Agitation Tank, 2- metering pump, 3- lye tank, 4- electrically operated valve B, 5- sprinkler head, 6- laboratory hood, 7- are electronic
Valve A.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1: please referring to Fig. 1 and Fig. 2, and the utility model provides a kind of technical solution: a kind of self-cleaning perchloric acid row
Wind cabinet, including laboratory hood 6；It further include several sprinkler heads 5, automatic liquid matching component, lye tank 3, metering pump 2, controller and recycling
Bucket；
Several sprinkler heads 5 are installed in the gas gathering mask of laboratory hood 6；
The automatic liquid matching component includes Agitation Tank 1, stirring motor and blender；Wherein, 1 row of being installed on of Agitation Tank
On bottom plate inside wind cabinet 6；The stirring motor is installed in Agitation Tank 1, and stirring motor outside be arranged with separation sleeve, for every
From the liquid in Agitation Tank 1；The blender is fixedly arranged on the end of the drive shaft of stirring motor, and blender protrudes into Agitation Tank
In 1, for stirring the liquid in Agitation Tank 1；
The lye tank 3 is installed on the bottom plate inside laboratory hood 6；The metering pump 2 is installed in lye tank 3, described
Metering pump 2 is used for the dispatching of lye；
The first water inlet is offered on the Agitation Tank 1, first water inlet is conveyed by the first pipeline and tap water
Pipeline connection, and electrically operated valve A7 is installed on the first pipeline, water inlet of the electrically operated valve A7 for Agitation Tank 1 controls；
The second water inlet is offered on the Agitation Tank 1, second water inlet is connected by the second pipeline and metering pump 2
It connects, and the second pipeline forms the fluid flow paths between Agitation Tank 1 and lye tank 3；Motor-driven valve is installed on second pipeline
The feed liquor of door B4, the electrically operated valve B4 for lye controls；
Water outlet is offered on the Agitation Tank 1, the water outlet is connected with several sprinkler heads 5 respectively by third pipeline
It connects, and third pipeline forms the fluid flow paths of Agitation Tank 1 and several sprinkler heads 5；
From front to back, the front end of the bottom plate of the gas gathering mask is higher than the rear end of bottom plate；The recycling bin is fixedly arranged on supporting table
On face, and accept the waste water after cleaning perchloric acid；
The controller is used to control the running of electrically operated valve A7, electrically operated valve B4, metering pump 2 and stirring motor.
In order to which the structural framing with better high temperature resistant, anticorrosion ability, the laboratory hood 6 is made of stainless steel,
The liner of laboratory hood 6 is made of 316 stainless steels；
The number of the sprinkler head 5 is 4, and is high-speed water mist nozzle；The third pipeline is stainless steel pipes；
The Agitation Tank 1 is cylindrical structure, outer diameter 18cm, a height of 40cm.
The course of work:
(1) controller control electrically operated valve A7 is opened, and tap water flows into Agitation Tank 1 along the first pipeline；In tap water
Under the action of pressure, along third pipeline, tap water is delivered to sprinkler head 5, and sprinkler head 5 sprays tap water, meanwhile, adsorb high chlorine
Acid mist and the tube wall for cleaning laboratory hood 6；
(2) due to the adsorption rate of tap water is low and cannot play neutralize perchloric acid purpose, tap water spray one section when
Between after, electrically operated valve A7 close, be then turned on metering pump 2 and electrically operated valve B4, and convey in a certain amount of lye to Agitation Tank 1；
(3) metering pump 2 and electrically operated valve B4 are closed, stirring motor is then turned on, so that lye and tap water uniform stirring；
(4) after the completion of stirring, stirring motor is closed, electrically operated valve A7 is then turned on, under the action of tap water pressure, along
Third pipeline, mixed liquor are delivered to sprinkler head 5, and sprinkler head 5 sprays mixed liquor, meanwhile, it adsorbs perchloric acid mist and cleans laboratory hood 6
Tube wall.
In addition, if not washing clean clearly, can be cleaned with repetitive cycling.
The utility model entirely with liquid and whipping process it is shorter；The utility model passes through automatic control means, using certainly
Water and the alternating of lye spray, complete perchloric acid mist absorb while, laboratory hood 7 can be cleaned it is cleaner, meanwhile,
The usage amount of lye is saved, more efficiently, safely.
The utility model can be applied to laboratory equipment field.Due to handling experiment before many metals or soil investigation
In, perchloric acid can be used often and is chemically reacted with experimental subjects, and a large amount of acid mist can be generated in chemical reaction process, it is high
Chloric acid is diffused into the deflector of laboratory hood 7 and the inner wall of exhaust duct by the wind-force of laboratory hood 7.In such application scenarios
Under, by the automatic running of the utility model, perchloric acid mist can quickly be absorbed, and clean air draft inside pipe wall, prevent acid mist
Exhaust duct is diffused to, can be eliminated safe hidden trouble, guarantees laboratory equipment and the safety of staff.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that can these embodiments be carried out with a variety of variations, repaired in the case where not departing from the principles of the present invention and spirit
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of self-cleaning perchloric acid laboratory hood, including laboratory hood (6), it is characterised in that: further include several sprinkler heads (5), from
It is dynamic to match liquid component, lye tank (3) and metering pump (2)；
Several sprinkler heads (5) are installed in the gas gathering mask of laboratory hood (6)；
The automatic liquid matching component includes Agitation Tank (1), stirring motor and blender；The Agitation Tank (1) is installed on laboratory hood
(6) in；The stirring motor is installed in Agitation Tank (1), and is arranged with separation sleeve outside stirring motor, for Agitation Tank to be isolated
(1) liquid in；The blender is fixedly arranged on the end of the drive shaft of stirring motor, and blender protrudes into Agitation Tank (1),
For stirring the liquid in Agitation Tank (1)；
The lye tank (3) is installed in laboratory hood (6)；The metering pump (2) is installed in lye tank (3)；
The first water inlet is offered on the Agitation Tank (1), first water inlet passes through the first pipeline and tap water delivery pipe
Road connection, and electrically operated valve A(7 is installed on the first pipeline)；
The second water inlet is offered on the Agitation Tank (1), second water inlet is connected by the second pipeline and metering pump (2)
It connects, and the second pipeline forms the fluid flow paths between Agitation Tank (1) and lye tank (3)；
Water outlet is offered on the Agitation Tank (1), the water outlet is connected with several sprinkler heads (5) respectively by third pipeline
It connects, and third pipeline forms the fluid flow paths of Agitation Tank (1) and several sprinkler heads (5).
2. self-cleaning perchloric acid laboratory hood according to claim 1, it is characterised in that: Agitation Tank (1) row of being installed on
On the internal bottom plate of wind cabinet (6).
3. self-cleaning perchloric acid laboratory hood according to claim 1, it is characterised in that: lye tank (3) row of being installed on
On the internal bottom plate of wind cabinet (6).
4. self-cleaning perchloric acid laboratory hood according to claim 1, it is characterised in that: be equipped with electricity on second pipeline
Movable valve B(4).
5. self-cleaning perchloric acid laboratory hood according to claim 4, it is characterised in that: it further include controller, the control
Device is used to control electrically operated valve A(7), electrically operated valve B(4), the runnings of metering pump (2) and stirring motor.
6. self-cleaning perchloric acid laboratory hood according to claim 1, it is characterised in that: from front to back, the gas gathering mask
The front end of bottom plate is higher than the rear end of bottom plate.
7. self-cleaning perchloric acid laboratory hood according to claim 6, it is characterised in that: it further include recycling bin, the recycling
Bucket is fixedly arranged on supporting bable tops, and accepts the waste water after cleaning perchloric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130955.5U CN209333515U (en) | 2018-12-19 | 2018-12-19 | A kind of self-cleaning perchloric acid laboratory hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130955.5U CN209333515U (en) | 2018-12-19 | 2018-12-19 | A kind of self-cleaning perchloric acid laboratory hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209333515U true CN209333515U (en) | 2019-09-03 |
Family
ID=67757764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130955.5U Active CN209333515U (en) | 2018-12-19 | 2018-12-19 | A kind of self-cleaning perchloric acid laboratory hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209333515U (en) |
-
2018
- 2018-12-19 CN CN201822130955.5U patent/CN209333515U/en active Active
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