CN107014177A - Dustless test tube baker - Google Patents
Dustless test tube baker Download PDFInfo
- Publication number
- CN107014177A CN107014177A CN201710393197.3A CN201710393197A CN107014177A CN 107014177 A CN107014177 A CN 107014177A CN 201710393197 A CN201710393197 A CN 201710393197A CN 107014177 A CN107014177 A CN 107014177A
- Authority
- CN
- China
- Prior art keywords
- air
- test tube
- blowing
- heater
- drying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to a kind of dustless test tube baker, this dustless test tube baker includes pedestal, heater is internally provided with pedestal；Drying pipe is provided with the top of pedestal, the upper end of drying pipe is provided with permanent magnets；The supporting clamping that also includes is covered with drying pipe, and the clamping cover includes the housing made by permanent-magnet material, flexible holding sheet is set in the enclosure interior, the holding sheet is matched with test tube bottom shape；The housing and permanent magnets homopolar-repulsion；The heater is arranged on air-blowing intracavitary, and drying pipe is connected with the top plate of air-blowing chamber；Air-blowing shell fragment is installed below heater, air inlet pipe is installed in the air-tight chamber of upside, the filter layer for only allowing gas to flow into is provided with the air inlet pipe；The baker structure is novel, unique, can carry out high efficiency drying to test tube, while being prevented effectively from test tube bottom print stain occurs, and can effectively prevent the dust in air from polluting inboard wall of test tube.
Description
Technical field
It is a kind of test tube baker particularly the present invention relates to a kind of chemical device.
Background technology
Test tube is one of conventional equipment of chemical field；Test tube needs to be cleaned after use, drying process, in case under
It is secondary to use；Traditional clean operation it is cumbersome, it is necessary to clean, dry, many more manipulations such as cleaning；Particularly test tube is in elongated pipe
Shape, the inner bottom part of test tube is difficult touching, it is more difficult to wiped, while being also not easy to ventilation, is difficult drying, therefore test tube is cleaned, dried
Be waste time and energy, the work that efficiency is low, have a strong impact on the process and efficiency of chemical experiment；The test tube baker used on the market
Blowing mouth is made to elongated tubulose, test tube tips upside down on blowing mouth to carry out drying operation；But due to test tube bottom and blowing
There is contact point in mouth, therefore, and the test tube bottom after drying can remain the print stain after drying, and this print stain is more difficult to cleaning, to experiment
Cause certain error；In addition this baker also has that drying is uneven, drying gas carries dust to enter test tube etc. more
Plant drawback.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of dustless test tube baker, the baker structure is novel, unique, can
High efficiency drying is carried out to test tube, while being prevented effectively from test tube bottom print stain occurs, experimental precision is improved, and can effectively prevent air
In dust secondary pollution inboard wall of test tube.
To solve the above problems, the technical solution adopted in the present invention is：This dustless test tube baker includes pedestal,
Pedestal is internally provided with heater, and the heater powered by power supply；Drying pipe is provided with the top of pedestal, in drying pipe
Tube wall on offer steam vent；
The drying pipe is vertical to be arranged on pedestal, and the unidirectional gas for only allowing gas to discharge is provided with the drying pipe
Door；The upper end of drying pipe is provided with permanent magnets；With drying pipe is supporting also includes clamping cover, the clamping cover include by
The housing that permanent-magnet material is made, flexible holding sheet, the holding sheet and test tube bottom shape are set in the enclosure interior
Matching；The housing and permanent magnets homopolar-repulsion；
The heater is arranged on air-blowing intracavitary, and drying pipe is connected with the top plate of air-blowing chamber；Drum is installed below heater
Air-blowing chamber is separated into about two independent air-tight chambers by gas shell fragment, the air-blowing shell fragment；The air-blowing shell fragment is by memory gold
Category is made；The air-blowing shell fragment raises up in low temperature, downwardly convex during high temperature；The air-tight cavity indoor location in upside
There is air inlet pipe, the filter layer for only allowing gas to flow into is provided with the air inlet pipe.
The beneficial effects of the invention are as follows：When needing drying test tube, the bottom installed in test tube of cover fastening, folder will be clamped
Hold layer and be squeezed and deformation and fix test tube；Test tube is tipped upside down on drying pipe, clamping cover and permanent magnets homopolar-repulsion, in magnetic reprimand
In the presence of power, clamping cover carries the top that test tube is suspended on permanent magnets；The bottom of test tube is not contacted with drying pipe；Due to test tube
The deviation of installation, the mouth of pipe of test tube may touch the tube wall of drying pipe；But, the mouth of pipe easy cleaning of test tube, Bu Huizao
It is difficult into great cleaning, while the operation deviation can be avoided by correctly installing test tube and clamping cover.
To heating installation power supply, heater starts continuous heating gas and presses close to its air-blowing shell fragment；The air-blowing bullet in low temperature
Piece raises up, close to heater, and with the heating of heater, air-blowing shell fragment heated fast deformation is simultaneously downwardly convex；On now
The air-tight chamber volume of side becomes big, air pressure diminishes, and air is sucked by force, while air is inhaled into, by filter layer, and then
Dust in air is intercepted, filtered；Air-blowing shell fragment fast cooling and resilience after away from heater, by the airtight of upside
Air in chamber is pressed in drying pipe, and then from the discharge of each steam vent, invisible spectro droplet is evaporated, blown by the gas of high temperature
From；And then make test tube drying, cleaning.
The present invention is not used during the blowing part such as air blower, baker efforts, and the noise of generation is smaller, energy
Enough effectively reduction noise pollution, quiet environment is left to laboratory；In drying course, clean gas sprays from drying pipe,
Inboard wall of test tube is difficult test tube after adhering dust, drying and keeps clean；More importantly drying pipe will not be contacted with test tube inner bottom surface,
Print stain will not be produced, the cleanliness factor of test tube is effectively improved.
Preferably, offering vertical gas port in permanent magnets；In order to accelerate the drying effect of test tube inner bottom surface.
Preferably, being provided with the permanent magnetism piece of homopolar-repulsion between the bottom plate of air-blowing shell fragment and air-blowing chamber；In order to carry
It is high
Preferably, offering heat emission hole on the bottom plate of the heater；In order to accelerate radiating, the cooling of air-blowing shell fragment.
Preferably, the air-blowing shell fragment is when raising up and heater contacts；In order to the transmission of accelerated heat, plus
The springing speed of fast air-blowing shell fragment.
Preferably, the afterbody of drying pipe holds rotatable connection with base via shaft, in the drying inner coaxial tube
It is installed with water conservancy diversion screw thread；When water conservancy diversion screw thread flows through in gas, drying pipe is promoted around own axis, and then cause from baking
The flow rotation injection that main sprays, improves the uniformity and drying efficiency of drying.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of this dustless test tube baker one embodiment.
Embodiment
Embodiment：
In the embodiment shown in fig. 1, this dustless test tube baker includes pedestal 1, and heater is internally provided with pedestal 1
21, the heater 21 is powered by power supply；Drying pipe 3 is provided with the top of pedestal 1, is offered on the tube wall of drying pipe 3
Steam vent；
The drying pipe 3 is vertical to be arranged on pedestal 1, dries the afterbody and pedestal 1 of pipe 3 by the rotatable connection of bearing,
It is coaxial in the drying pipe 3 to be installed with water conservancy diversion screw thread 31；Being provided with the drying pipe 3 only allows gas to discharge
Unidirectional valve 32；
The upper end of drying pipe 3 is provided with permanent magnets 33；Vertical gas port is offered in permanent magnets 33；Match somebody with somebody with drying pipe 3
The clamping that also includes of set covers 4, and the clamping cover 4 includes the housing made by permanent-magnet material, is set in the enclosure interior
Flexible holding sheet 41, the holding sheet 41 is matched with test tube bottom shape；The housing and the homopolar-repulsion of permanent magnets 33；
The heater 21 is arranged in air-blowing chamber 2, and drying pipe 3 is connected with the top plate of air-blowing chamber 2；Pacify in the lower section of heater 21
Equipped with air-blowing shell fragment 5, air-blowing chamber 2 is separated into about two independent air-tight chambers by the air-blowing shell fragment 5；The air-blowing shell fragment
5 are made by memory metal；The air-blowing shell fragment 5 raises up in low temperature, downwardly convex during high temperature；The air-blowing shell fragment 5 exists
Contacted when raising up with heater 21；The permanent magnetism piece of homopolar-repulsion is installed between the bottom plate of air-blowing shell fragment 5 and air-blowing chamber 2
51；Heat emission hole is offered on the bottom plate of the heater 21；Air inlet pipe 6 is installed in the air-tight chamber of upside,
The filter layer for only allowing gas to flow into is provided with the air inlet pipe 6.
When needing drying test tube, the bottom installed in test tube of the fastening of cover 4 will be clamped, holding sheet 41 is squeezed deformation simultaneously
Test tube is fixed；Test tube is tipped upside down on drying pipe 3, clamping cover 4 and the homopolar-repulsion of permanent magnets 33, in the presence of magnetic repulsion,
Clamping cover 4 carries the top that test tube is suspended on permanent magnets 33；The bottom of test tube is not contacted with drying pipe 3；Installed due to test tube
Deviation, the mouth of pipe of test tube may touch the tube wall of drying pipe 3；But, the mouth of pipe easy cleaning of test tube is not resulted in much
Cleaning it is difficult, while the operation deviation can be avoided by correctly installing test tube and clamping cover 4.
Heater 21 is powered, heater 21 starts continuous heating gas and presses close to its air-blowing shell fragment 5；Roused in low temperature
Gas shell fragment 5 raises up, close to heater 21, and with the heating of heater 21, the heated fast deformation of air-blowing shell fragment 5 is simultaneously convex downwards
Rise；Now the air-tight chamber volume of upside becomes big, air pressure diminishes, and air is sucked by force, while air is inhaled into, and is passed through
Filtering layer, and then the dust in air is intercepted, filtered；Air-blowing shell fragment 5 fast cooling and resilience after away from heater 21,
Air in the air-tight chamber of upside is pressed in drying pipe 3, and then from the discharge of each steam vent, the gas of high temperature will be invisible spectro
Droplet evaporates, blown off；And then make test tube drying, cleaning.
In the present embodiment, the gas of high temperature sprays simultaneously from steam vent and gas port, madial wall and interior bottom to test tube
Face is synchronously dried, and effectively increases drying efficiency, and drying pipe 3 is not contacted with test tube, can promote the stream of high-temperature gas in test tube
It is dynamic, the complete drying of test tube can be realized；Meanwhile, when gas flows through water conservancy diversion screw thread 31, air-flow drives drying pipe 3 to rotate, and enters
And promote the injection of gas rotating sprayed from steam vent, accelerate the drying of test tube, effectively improve the drying uniformity and drying is imitated
Rate, effectively prevents that dry pipe 3 contacts formation print stain for a long time with the certain point of inboard wall of test tube；
In the present embodiment, contact heater 21 when air-blowing shell fragment 5 raises up, by direct heat transfer can be at double plus
The fast heating deformation of air-blowing shell fragment 5；Heat emission hole promotes heat losses, temperature reduction simultaneously, and both effectively raise air-blowing shell fragment 5
The frequency upspring, and then strengthen the intensity of drying；The permanent magnetism piece 51 being arranged on the bottom plate of air-blowing chamber 2 can strengthen air-blowing shell fragment 5 to
On the dynamics upspring, and then strengthen the spouting velocity of air-flow；With many raising drying efficiencies.
The present invention is not used during the blowing part such as air blower, baker efforts, and the noise of generation is smaller, energy
Enough effectively reduction noise pollution, quiet environment is left to laboratory；In drying course, clean gas sprays from drying pipe 3,
Inboard wall of test tube is difficult test tube after adhering dust, drying and keeps clean；More importantly drying pipe 3 will not connect with test tube inner bottom surface
Touch, print stain will not be produced, the cleanliness factor of test tube is effectively improved.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of dustless test tube baker, this dustless test tube baker includes pedestal（1）, in pedestal（1）Be internally provided with
Heater（21）, the heater（21）Powered by power supply；In pedestal（1）Top be provided with drying pipe（3）, in drying pipe
（3）Tube wall on offer steam vent；It is characterized in that：The drying pipe（3）Vertical is arranged on pedestal（1）On, described
Drying pipe（3）Inside it is provided with the unidirectional valve for only allowing gas to discharge（32）；Drying pipe（3）Upper end be provided with permanent magnets
（33）；Managed with drying（3）Supporting also includes clamping cover（4）, the clamping cover（4）Include the shell made by permanent-magnet material
Body, flexible holding sheet is set in the enclosure interior（41）, the holding sheet（41）Matched with test tube bottom shape；It is described
Housing and permanent magnets（33）Homopolar-repulsion；The heater（21）Installed in air-blowing chamber（2）It is interior, drying pipe（3）With air-blowing chamber（2）
Top plate connection；In heater（21）Lower section air-blowing shell fragment is installed（5）, the air-blowing shell fragment（5）By air-blowing chamber（2）Separate
Into about two independent air-tight chambers；The air-blowing shell fragment（5）Made by memory metal；The air-blowing shell fragment（5）In low temperature
When raise up, it is downwardly convex during high temperature；Air inlet pipe is installed in the air-tight chamber of upside（6）, in the air inlet pipe
（6）Inside it is provided with the filter layer for only allowing gas to flow into.
2. dustless test tube baker according to claim 1, it is characterised in that：Drying pipe（3）Afterbody and pedestal（1）It is logical
The rotatable connection of bearing is crossed, in the drying pipe（3）It is interior coaxial to be installed with water conservancy diversion screw thread（31）.
3. dustless test tube baker according to claim 1 or 2, it is characterised in that：In permanent magnets（33）On offer it is perpendicular
Straight gas port.
4. dustless test tube baker according to claim 1 or 2, it is characterised in that：In air-blowing shell fragment（5）With air-blowing chamber
（2）Bottom plate between the permanent magnetism piece of homopolar-repulsion is installed（51）.
5. dustless test tube baker according to claim 4, it is characterised in that：In the heater（21）Bottom plate on open
Provided with heat emission hole.
6. dustless test tube baker according to claim 4, it is characterised in that：The air-blowing shell fragment（5）Raising up
When and heater（21）Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393197.3A CN107014177B (en) | 2017-05-27 | 2017-05-27 | Dustless test tube baker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393197.3A CN107014177B (en) | 2017-05-27 | 2017-05-27 | Dustless test tube baker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107014177A true CN107014177A (en) | 2017-08-04 |
| CN107014177B CN107014177B (en) | 2019-05-24 |
Family
ID=59451241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710393197.3A Expired - Fee Related CN107014177B (en) | 2017-05-27 | 2017-05-27 | Dustless test tube baker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107014177B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830691A (en) * | 2017-10-25 | 2018-03-23 | 湖南辉讯企业管理有限公司 | A kind of test tube drying unit |
| CN108007097A (en) * | 2017-11-21 | 2018-05-08 | 宁波江北文增新材料科技有限公司 | Material drying unit |
| CN108286894A (en) * | 2018-02-06 | 2018-07-17 | 中国人民解放军第八医院 | A kind of drying device of medical treatment specimen collection container |
| CN112677651A (en) * | 2020-12-23 | 2021-04-20 | 江西万丽龙实业有限公司 | Printing matter surface ink drying device of printing machine delivery part |
| CN113446827A (en) * | 2021-08-31 | 2021-09-28 | 海门市佳宏世泰实验器材有限公司 | Umbrella type drying equipment for glass test tubes |
| CN115717814A (en) * | 2022-10-31 | 2023-02-28 | 浙江华才检测技术有限公司 | Test tube drying device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19735204A1 (en) * | 1997-08-14 | 1999-02-18 | Silvia Dipl Ing Fath | Process and assembly to dry organic kitchen wastes using electro- magnetic field |
| CN201502452U (en) * | 2009-08-14 | 2010-06-09 | 宁波贝斯特航空技术工程有限公司 | Carburetor with air intake compensation structure |
| CN202876660U (en) * | 2012-09-28 | 2013-04-17 | 萍乡市环球化工填料有限公司 | Totally closed assembled low-pressure molecular sieve |
| CN104612837A (en) * | 2013-11-04 | 2015-05-13 | 陕西四季春清洁热源股份有限公司 | Inlet airflow adjusting valve plate of heat pump engine |
| CN204849134U (en) * | 2015-06-04 | 2015-12-09 | 苏州富莱克斯氨纶有限公司 | Spandex spouts a structure |
| CN105300060A (en) * | 2015-11-16 | 2016-02-03 | 刘操 | Cleaning and drying device for machining fire extinguisher bottles |
| CN105823314A (en) * | 2016-03-30 | 2016-08-03 | 芜湖富春染织有限公司 | Yarn drying device |
-
2017
- 2017-05-27 CN CN201710393197.3A patent/CN107014177B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19735204A1 (en) * | 1997-08-14 | 1999-02-18 | Silvia Dipl Ing Fath | Process and assembly to dry organic kitchen wastes using electro- magnetic field |
| CN201502452U (en) * | 2009-08-14 | 2010-06-09 | 宁波贝斯特航空技术工程有限公司 | Carburetor with air intake compensation structure |
| CN202876660U (en) * | 2012-09-28 | 2013-04-17 | 萍乡市环球化工填料有限公司 | Totally closed assembled low-pressure molecular sieve |
| CN104612837A (en) * | 2013-11-04 | 2015-05-13 | 陕西四季春清洁热源股份有限公司 | Inlet airflow adjusting valve plate of heat pump engine |
| CN204849134U (en) * | 2015-06-04 | 2015-12-09 | 苏州富莱克斯氨纶有限公司 | Spandex spouts a structure |
| CN105300060A (en) * | 2015-11-16 | 2016-02-03 | 刘操 | Cleaning and drying device for machining fire extinguisher bottles |
| CN105823314A (en) * | 2016-03-30 | 2016-08-03 | 芜湖富春染织有限公司 | Yarn drying device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830691A (en) * | 2017-10-25 | 2018-03-23 | 湖南辉讯企业管理有限公司 | A kind of test tube drying unit |
| CN108007097A (en) * | 2017-11-21 | 2018-05-08 | 宁波江北文增新材料科技有限公司 | Material drying unit |
| CN108286894A (en) * | 2018-02-06 | 2018-07-17 | 中国人民解放军第八医院 | A kind of drying device of medical treatment specimen collection container |
| CN112677651A (en) * | 2020-12-23 | 2021-04-20 | 江西万丽龙实业有限公司 | Printing matter surface ink drying device of printing machine delivery part |
| CN113446827A (en) * | 2021-08-31 | 2021-09-28 | 海门市佳宏世泰实验器材有限公司 | Umbrella type drying equipment for glass test tubes |
| CN113446827B (en) * | 2021-08-31 | 2021-11-12 | 海门市佳宏世泰实验器材有限公司 | Umbrella type drying equipment for glass test tubes |
| CN115717814A (en) * | 2022-10-31 | 2023-02-28 | 浙江华才检测技术有限公司 | Test tube drying device |
| CN115717814B (en) * | 2022-10-31 | 2024-08-27 | 浙江华才检测技术有限公司 | Test tube drying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107014177B (en) | 2019-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jingsheng Inventor after: Zhao Yaqin Inventor before: Zhao Yaqin |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190428 Address after: 264200 No. 14 Baoquan Road, Huancui District, Weihai City, Shandong Province Applicant after: Wang Jingsheng Address before: 215000 room 1418, block D, Yue Yue Plaza, 2188 Kaiping Road, Wujiang District, Suzhou, Jiangsu. Applicant before: Zhao Yaqin |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200527 |