CN105964321A - Device and method for heating asphalt in laboratory - Google Patents
Device and method for heating asphalt in laboratory Download PDFInfo
- Publication number
- CN105964321A CN105964321A CN201610505865.2A CN201610505865A CN105964321A CN 105964321 A CN105964321 A CN 105964321A CN 201610505865 A CN201610505865 A CN 201610505865A CN 105964321 A CN105964321 A CN 105964321A
- Authority
- CN
- China
- Prior art keywords
- temperature
- tank body
- heater
- colophonium
- heating
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/002—Working-up pitch, asphalt, bitumen by thermal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0684—Venting, avoiding backpressure, avoid gas bubbles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/143—Quality control, feedback systems
- B01L2200/147—Employing temperature sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/14—Means for pressure control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1805—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks
- B01L2300/1827—Conductive heating, heat from thermostatted solids is conducted to receptacles, e.g. heating plates, blocks using resistive heater
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1883—Means for temperature control using thermal insulation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Clinical Laboratory Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a device and a method for heating asphalt in a laboratory. The device comprises a furnace disc, a tank, a seal cover and exhaust barrels. The tank is positioned on the furnace disc, a heat-insulation layer and a temperature sensing layer are sequentially arranged on the side surfaces of the tank from the inside to the outside, a plurality of temperature sensors are arranged in the temperature sensing layer, the seal cover is positioned at a top opening of the tank, one end of each exhaust barrel is communicated with a corresponding side surface of the tank, a gas outlet is formed in the other end of each exhaust barrel, adjusting valves are arranged on the exhaust barrels, an electric heater and a controller are arranged in the furnace disc, a temperature control rotary knob and a heat-insulation rotary knob are arranged on the side surfaces of the furnace disc, the temperature control rotary knob is used for adjusting the heating temperatures, the heat-insulation rotary knob is used for adjusting the heat-insulation temperatures, and the controller is connected with output ends of the temperature sensors, a control end of the heater, the temperature control rotary knob and the heat-insulation rotary knob. The device and the method have the advantage that the asphalt can be efficiently and safely heated by the aid of the device and the method.
Description
Technical field
The invention belongs to field of road, relate to a kind of laboratory pitch heater and method.
Background technology
Colophonium at room temperature can be condensed into solid-state, therefore carries out during asphalt test first in laboratory
First need asphalt sample is heated, and China also do not have corresponding requirements to indoor asphalt heater,
From universal electric furnace before to closed electric furnace, in use, the weak point of device is the most gradually
Come out, such as in terms of asphalt temperature control, with common electric furnace in Colophonium heating process very
Easily make asphalt temperature too high cause aging；Cause owing to not being incubated for a long time after heating completes
Asphalt temperature reduces, viscous pot；The gas produced in heating process directly volatilizees in atmosphere to people
Body produces injury；The most usually have with heater size owing to holding the equipment of Colophonium
It is uneven that difference causes Colophonium to be heated, and service efficiency is substantially reduced.Therefore, research one can be more
Good control temperature, improves efficiency and security performance higher laboratory pitch heater is ten
Divide necessity.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of laboratory drip
Blue or green heater and method, this device and method can high efficiency, safety complete Colophonium is added
Heat.
For reaching above-mentioned purpose, laboratory pitch heater of the present invention includes stone or metal plate for standing a stove on as a precaution against fire, tank
Body, closed cover and aiutage；
Tank body is positioned on stone or metal plate for standing a stove on as a precaution against fire, and the side of tank body is sequentially provided with heat-insulation layer and temperature-sensitive layer from inside to outside,
If being provided with dry temperature sensor in temperature-sensitive layer, closed cover is positioned at the top open part of tank body, aiutage
One end be connected with the side of tank body, the other end of aiutage is provided with gas outlet, and aiutage sets
Having regulation valve, be provided with electric heater and controller in stone or metal plate for standing a stove on as a precaution against fire, the side of stone or metal plate for standing a stove on as a precaution against fire is provided with for regulating heating
The temperature control knob of temperature and for regulating the insulation knob of holding temperature, controller and temperature sensor
Outfan, the control end of heater, temperature control knob and insulation knob be connected.
The side of described tank body is provided with some heat insulation handles.
The side of stone or metal plate for standing a stove on as a precaution against fire is additionally provided with LCDs and on and off switch.
The outer wall of temperature-sensitive layer is provided with containment vessel.
If being provided with the dried layer resistance wire for heating in described heater.
The heating region of described stone or metal plate for standing a stove on as a precaution against fire upper surface is identical with the form and dimension of tank body bottom surface.
Laboratory pitch heating means of the present invention comprise the following steps:
1) open closed cover, Colophonium is poured in tank body, then cover closed cover, rotate temperature control rotation
Colophonium in tank body is heated by button by heater, when the Colophonium in tank body is heated to preset temperature
When spending, then rotate temperature control knob and close heater；
2) temperature control knob regulation holding temperature, Colophonium in temperature sensor real-time monitoring of tank body are rotated
Temperature information, and described temperature information is forwarded in controller, the temperature of current Colophonium is less than
Equal to when presetting minimum holding temp threshold values, then the Colophonium in tank body is heated by heater；
In current tank body, the temperature of Colophonium is more than or equal to when presetting maximum holding temperature threshold values, then close heating
Device, and then make the asphalt thermal insulation Preset Time in tank body, in heating and insulating process, work as tank body
When interior air pressure is more than the preset pressure value of regulation valve, then by gas outlet, the gas in tank body is entered
Row pressure release；
3) rotary heat-insulating knob stops insulation, opens closed cover, is separated with stone or metal plate for standing a stove on as a precaution against fire by tank body and pour out
Colophonium, complete asphaltogenic heating.
The method have the advantages that
Laboratory pitch heater of the present invention and method, when concrete operations, pass through temperature control
Colophonium in tank body is heated by knob controllable heating device, by insulation knob, heater, temperature
The realization that cooperates between degree sensor and controller is to the insulation of Colophonium in tank body, thus realizes
Quick heating to Colophonium, in heating and insulating process, when the air pressure in tank body is more than regulation valve
Preset pressure value time, then by gas outlet, the gas in tank body is carried out pressure release, it is to avoid in tank body
Outer air pressure is inconsistent and produces blast equivalent risk, improves the safety of Colophonium heating.It addition, pass through
Heat-insulation layer prevents the temperature of Colophonium to scatter and disappear, thus ensures that heater is to uniformly the adding of Colophonium in tank body
Heat, improves the efficiency of heating, and convenient and simple for operation.
Further, the heating region of stone or metal plate for standing a stove on as a precaution against fire upper surface is identical with the form and dimension of tank body bottom surface, from
And make Colophonium thermally equivalent in heating process, accelerate Colophonium heating, reduce the risk of heating.
Further, the side of tank body is provided with heat insulation handle, after being extracted by tank body by heat insulation handle again
Pour out the Colophonium after heating, safely, quickly, effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Wherein, 1 be on and off switch, 2 be temperature control knob, 3 be insulation knob, 4 for liquid crystal display
Screen, 5 be tank body, 6 for heat-insulation layer, 7 for temperature-sensitive layer, 8 for containment vessel, 9 be closed cover, 10
For stone or metal plate for standing a stove on as a precaution against fire, 11 be resistance wire, 12 be aiutage, 13 be regulation valve, 14 be gas outlet, 15 be
Heat insulation handle.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
With reference to Fig. 1, laboratory pitch heater of the present invention include stone or metal plate for standing a stove on as a precaution against fire 10, tank body 5,
Closed cover 9 and aiutage 12；Tank body 5 is positioned on stone or metal plate for standing a stove on as a precaution against fire 10, and the side of tank body 5 sets the most successively
Having heat-insulation layer 6 and temperature-sensitive layer 7, if being provided with dry temperature sensor in temperature-sensitive layer 7, closed cover 9 is positioned at tank
The top open part of body 5, one end of aiutage 12 is connected with the side of tank body 5, aiutage 12
The other end is provided with gas outlet 14, and aiutage 12 is provided with regulation valve 13, is provided with electric heater in stone or metal plate for standing a stove on as a precaution against fire 10
And controller, the side of stone or metal plate for standing a stove on as a precaution against fire 10 is provided with the temperature control knob 2 for regulating heating-up temperature and for regulating
The insulation knob 3 of holding temperature, controller and the outfan of temperature sensor, the control end of heater,
Temperature control knob 2 and insulation knob 3 are connected.
It should be noted that the side of described tank body 5 is provided with some heat insulation handles 15；The side of stone or metal plate for standing a stove on as a precaution against fire 10
Face is additionally provided with LCDs 4 and on and off switch 1；The outer wall of temperature-sensitive layer 7 is provided with containment vessel 8；Add
If being provided with the dried layer resistance wire 11 for heating in hot device；The heating region of stone or metal plate for standing a stove on as a precaution against fire 10 upper surface and tank
The form and dimension of body 5 bottom surface is identical.
Laboratory pitch heating means of the present invention comprise the following steps:
1) open closed cover 9, Colophonium is poured in tank body 5, then cover closed cover 9, rotate control
Colophonium in tank body 5 is heated, when the Colophonium in tank body 5 is heated to by temperature knob 2 by heater
During preset temperature, then rotate temperature control knob 2 and close heater；
2) rotate temperature control knob 2 and regulate holding temperature, Colophonium in temperature sensor real-time monitoring of tank body 5
Temperature information, and described temperature information is forwarded in controller, the temperature of current Colophonium is little
In equal to when presetting minimum holding temp threshold values, then the Colophonium in tank body 5 is added by heater
Heat；In current tank body 5, the temperature of Colophonium is more than or equal to when presetting maximum holding temperature threshold values, then close
Heater, and then make the asphalt thermal insulation Preset Time in tank body 5, in heating and insulating process, when
When air pressure in tank body 5 is more than the preset pressure value of regulation valve 13, then by gas outlet 14 to tank body 5
Interior gas carries out pressure release；
3) rotary heat-insulating knob 3 stops insulation, opens closed cover 9, by tank body 5 and stone or metal plate for standing a stove on as a precaution against fire 10
Separate and pour out Colophonium, complete asphaltogenic heating.
Claims (7)
1. a laboratory pitch heater, it is characterised in that include stone or metal plate for standing a stove on as a precaution against fire (10), tank body
(5), closed cover (9) and aiutage (12)；
Tank body (5) is positioned on stone or metal plate for standing a stove on as a precaution against fire (10), and the side of tank body (5) is sequentially provided with guarantor from inside to outside
Temperature layer (6) and temperature-sensitive layer (7), temperature-sensitive layer (7) if in be provided with dry temperature sensor, closed cover
(9) top open part of tank body (5), one end of aiutage (12) and tank body (5) it are positioned at
Side is connected, and the other end of aiutage (12) is provided with gas outlet (14), on aiutage (12)
It is provided with regulation valve (13), in stone or metal plate for standing a stove on as a precaution against fire (10), is provided with electric heater and controller, the side of stone or metal plate for standing a stove on as a precaution against fire (10)
Face is provided with the temperature control knob (2) for regulating heating-up temperature and for regulating the insulation rotation of holding temperature
Button (3), controller and the outfan of temperature sensor, the control end of heater, temperature control knob (2)
And insulation knob (3) is connected.
Laboratory pitch heater the most according to claim 1, it is characterised in that described tank
The side of body (5) is provided with some heat insulation handles (15).
Laboratory pitch heater the most according to claim 1, it is characterised in that stone or metal plate for standing a stove on as a precaution against fire (10)
Side be additionally provided with LCDs (4) and on and off switch (1).
Laboratory pitch heater the most according to claim 1, it is characterised in that temperature-sensitive layer
(7) outer wall is provided with containment vessel (8).
Laboratory pitch heater the most according to claim 1, it is characterised in that described in add
If being provided with the dried layer resistance wire (11) for heating in hot device.
Laboratory pitch heater the most according to claim 1, it is characterised in that described stove
The heating region of dish (10) upper surface is identical with the form and dimension of tank body (5) bottom surface.
7. laboratory pitch heating means, it is characterised in that based on the reality described in claim 1
Test room asphalt heater, comprise the following steps:
1) open closed cover (9), Colophonium be poured in tank body (5), then cover closed cover (9),
Rotate temperature control knob (2) by heater, the Colophonium in tank body (5) to be heated, when tank body (5)
When interior Colophonium is heated to preset temperature, then rotates temperature control knob (2) and close heater；
2) temperature control knob (2) regulation holding temperature, temperature sensor real-time monitoring of tank body (5) are rotated
The temperature information of interior Colophonium, and described temperature information is forwarded in controller, the temperature of current Colophonium
Degree is less than or equal to when presetting minimum holding temp threshold values, then heater is to the drip in tank body (5)
Green grass or young crops is heated；The temperature of current tank body (5) interior Colophonium is more than or equal to presetting maximum holding temperature valve
During value, then close heater, and then make the asphalt thermal insulation Preset Time in tank body (5), in heating
And in insulating process, when the air pressure in tank body (5) is more than the preset pressure value of regulation valve (13),
Then by gas outlet (14), the gas in tank body (5) is carried out pressure release；
3) rotary heat-insulating knob (3) stop insulation, open closed cover (9), by tank body (5) with
Stone or metal plate for standing a stove on as a precaution against fire (10) separates and pours out Colophonium, complete asphaltogenic heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610505865.2A CN105964321A (en) | 2016-06-30 | 2016-06-30 | Device and method for heating asphalt in laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610505865.2A CN105964321A (en) | 2016-06-30 | 2016-06-30 | Device and method for heating asphalt in laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105964321A true CN105964321A (en) | 2016-09-28 |
Family
ID=56954172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610505865.2A Pending CN105964321A (en) | 2016-06-30 | 2016-06-30 | Device and method for heating asphalt in laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105964321A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362815A (en) * | 2016-10-12 | 2017-02-01 | 徐可心 | Heating device for biological experiments of senior high school students |
| CN108435028A (en) * | 2018-04-23 | 2018-08-24 | 长安大学 | A kind of use for laboratory modified pitch automation preparation facilities |
| CN109387077A (en) * | 2017-08-14 | 2019-02-26 | 龙岩紫荆创新研究院 | A kind of vacuum hotpressing stove temperature control system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6408683B2 (en) * | 1998-06-15 | 2002-06-25 | Wisconsin Alumni Research Foundation | Laboratory asphalt stability test and apparatus |
| US7497136B2 (en) * | 2006-12-13 | 2009-03-03 | Espec Corp. | Environmental test apparatus |
| CN201424215Y (en) * | 2009-02-18 | 2010-03-17 | 楼瑞进 | Numerical control constant temperature electric heating insulation barrel |
| CN102133515A (en) * | 2011-03-09 | 2011-07-27 | 史建军 | Electric heat constant-temperature chemical reaction pot |
| CN105181434A (en) * | 2015-09-22 | 2015-12-23 | 成都炭素有限责任公司 | Pitch melting device used in laboratory |
| CN205067203U (en) * | 2015-09-22 | 2016-03-02 | 成都炭素有限责任公司 | Pitch melting equipment is used in laboratory |
| CN205275524U (en) * | 2015-10-10 | 2016-06-01 | 陕西飞机工业（集团）有限公司 | Heat preservation stove is melted in pitch electrical heating |
| CN205761248U (en) * | 2016-06-30 | 2016-12-07 | 长安大学 | A kind of asphalt heater |
-
2016
- 2016-06-30 CN CN201610505865.2A patent/CN105964321A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6408683B2 (en) * | 1998-06-15 | 2002-06-25 | Wisconsin Alumni Research Foundation | Laboratory asphalt stability test and apparatus |
| US7497136B2 (en) * | 2006-12-13 | 2009-03-03 | Espec Corp. | Environmental test apparatus |
| CN201424215Y (en) * | 2009-02-18 | 2010-03-17 | 楼瑞进 | Numerical control constant temperature electric heating insulation barrel |
| CN102133515A (en) * | 2011-03-09 | 2011-07-27 | 史建军 | Electric heat constant-temperature chemical reaction pot |
| CN105181434A (en) * | 2015-09-22 | 2015-12-23 | 成都炭素有限责任公司 | Pitch melting device used in laboratory |
| CN205067203U (en) * | 2015-09-22 | 2016-03-02 | 成都炭素有限责任公司 | Pitch melting equipment is used in laboratory |
| CN205275524U (en) * | 2015-10-10 | 2016-06-01 | 陕西飞机工业（集团）有限公司 | Heat preservation stove is melted in pitch electrical heating |
| CN205761248U (en) * | 2016-06-30 | 2016-12-07 | 长安大学 | A kind of asphalt heater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362815A (en) * | 2016-10-12 | 2017-02-01 | 徐可心 | Heating device for biological experiments of senior high school students |
| CN109387077A (en) * | 2017-08-14 | 2019-02-26 | 龙岩紫荆创新研究院 | A kind of vacuum hotpressing stove temperature control system |
| CN108435028A (en) * | 2018-04-23 | 2018-08-24 | 长安大学 | A kind of use for laboratory modified pitch automation preparation facilities |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |