CN106198175A - A kind of sample ashing device of fast heating intelligent temperature control - Google Patents
A kind of sample ashing device of fast heating intelligent temperature control Download PDFInfo
- Publication number
- CN106198175A CN106198175A CN201610727419.6A CN201610727419A CN106198175A CN 106198175 A CN106198175 A CN 106198175A CN 201610727419 A CN201610727419 A CN 201610727419A CN 106198175 A CN106198175 A CN 106198175A
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- sample
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- temperature
- optical wave
- insulating lining
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention relates to a kind of fast heating intelligent temperature controlled sample cineration device, multidigit sample pipe support is provided with the air tube lid of ventilation, can be passed through the gases such as air or oxygen when sample ashing, accelerates sample ashing speed.Sample pipe support is positioned on liftable sample pipe frame platform, and the freely adjustable height of liftable sample pipe frame platform makes the thermal treatment zone position change residing for sample.Temperature sensor can monitor temperature, the output of regulation optical wave heating pipe in real time, improves temperature-controlled precision.Temperature controlling mode can be from colored touch screen input, it is possible to is controlled by network remote from mobile phone or computer client, reduces labor intensity.The present invention proposes a kind of with gold-plated optical wave heating pipe as heating element heater, and specimen locations form directly can be concentrated heating with radiation by the optical wave heating pipe in band reflecting layer, saves electric energy.Integrated ceramic wool insulation liner as heat-insulated cavity, real-time accurate temperature controlling, remotely monitor.Programming rate of the present invention is fast, is greatly enhanced work efficiency, has saved the energy.
Description
Technical field
The present invention relates to a kind of heater sample quick high-temp can being ashed, particularly relate to one and be rapidly heated intelligence
The sample ashing device of energy temperature control.
Background technology
In the field organic matter samples such as food, environment, life sciences, various trace element detections are increasingly by the whole society
Concern.Before being measured various trace element by analytical tool, most samples have to pass through pre-treatment, make
Obtain heavy metal element inorganization, and proceed in liquid solution.According to document announcement, current Dry ashing is to analyze one in work
Important method.
From the point of view of current state-of-the-art, Dry ashing mainly based on manual operations, the equipment bag mainly used
Include the vessel of electric hot plate, Muffle furnace and routine, there is many deficiencies: (1) labor intensity is big, and the time cycle is long；(2) reagent
Consumption is big, easily causes object element exogenous pollution；(3) operant skill of operator is big on result impact, is difficult to accomplish mark
Standardization controls；(4) easily losing sample in processing procedure, poor repeatability, the chance introducing error is many.Specifically, sample treatment
Time the most easily bring pollution into, element to be measured by reagent, vessel etc. stain measurement result will be caused higher.For lead, cadmium, arsenic, hydrargyrum etc.
The most volatile inorganic heavy metal element, it is impossible to and before difficult volatilization inorganic heavy metal element is by the sample of a step
Processing procedure measures simultaneously, makes Lower result.
Summary of the invention
In order to overcome current sample ashing speed slow, the longest, Muffle furnace heats up slow, the deficiency that energy consumption is high, the present invention
Provide a kind of sample ashing device being rapidly heated temperature automatically controlled.
The present invention adopts the technical scheme that: the sample ashing device of a kind of fast heating intelligent temperature control, including air tube lid
(A), multidigit sample pipe support (B), sample pipe (B1), liftable sample pipe frame platform (C), insulating lining (D), optical wave heating pipe (E), temperature pass
Sensor (F), insulating lining support plate (G), two layers of heat insulation support plate (H), colored touch screen (I), intelligent control circuit (J), control electricity
Road radiator fan (K), circuit substrate (L), side plate (M), base plate (L) is provided with liftable sample pipe frame platform (C), liftable sample pipe support
Platform (C) is provided with multidigit sample pipe support (B), and multidigit sample pipe support (B) is provided with multiple sample pipe (B1), and multidigit sample pipe support (B) is upper places
Having air tube lid (A), air tube lid (A) to be provided with air tube, it is internal that the air tube of air tube lid (A) is inserted into sample pipe (B1)；Side plate (M) is provided with
Insulating lining support plate (G) and two layers of heat insulation support plate (H), two layers of heat insulation support plate (H) are positioned at insulating lining support plate (G) lower section, insulation
Liner support plate (G) is provided with insulating lining (D), and insulating lining (D) is provided with hole, sample position (D1), temperature sensor fixing hole
(D2), optical wave heating pipe installing hole (D3), heat dam (D4)；Hole, each sample position (D1) and optical wave heating pipe installing hole (D3) phase
Logical, optical wave heating pipe installing hole (D3) is provided with optical wave heating pipe (E)；Temperature sensor fixing hole (D2) is provided with temperature sensing
Device (F)；Circuit substrate (L) is positioned at the lower section of the heat insulation support plate of secondary (H)；Side plate (M) is provided with colored touch screen (I)；At the bottom of circuit
Plate (L) is provided with intelligent control circuit (J), and intelligent control circuit (J) connects optical wave heating pipe (E), temperature sensor (F), coloured silk
Color touch screen (I)；Circuit substrate (L) is provided with control circuit radiator fan (K).
Described liftable sample pallet (C) freely adjustable height, thus change sample pipe (B1) and insert insulating lining (D)
Hole, sample position (D1) in the degree of depth.
Described insulating lining (D) is by ceramic fibre or mullite insulation material is integrally formed forms, and it is shaped as rectangular
Body, on insulating lining (D), proper alignment hole, ordered series of numbers sample position (D1), and the both sides in hole, each column sample position (D1) are respectively arranged with an optical wave heating pipe
Installing hole (D3), hole, each sample position (D1) communicates with optical wave heating pipe installing hole (D3), and optical wave heating pipe (E) is positioned over light wave and adds
In heat pipe installing hole (D3), it is evenly distributed with several heat dam (D4) running through insulating lining (D) in insulating lining (D) both sides.
Intelligent control circuit (J) uses 32 micro-processing controls chips, has bluetooth, WiFi module, can by mobile phone or
Computer client remotely controls.
Described optical wave heating pipe (E) is shortwave diplopore halogen heating pipe or carbon medium wave diplopore adds heat pipe, heats pipe shell
For quartz material, one side has gold-plated reflector layer.
Described temperature sensor (F) is thermocouple, the temperature sensor fixing hole (D2) being installed on insulating lining (D)
In, the temperature in body of heater can be monitored in real time, it is achieved accurate temperature controlling.
Two layers of described heat insulation support plate (H) distance insulating lining support plate (G) 50～80mm, it are placed with ceramic fibre and protect
Wen Mian.
Its temperature controls to control high-power IGBT module by intelligent control circuit (J) or full isolation one-way SCR exchanges
Voltage regulating module controls the power output of optical wave heating pipe (E), is fed back by real time temperature, uses according to the change of stove body temperature
Pulse or pulse width modulation mode control the power output of optical wave heating pipe (E) in real time, use 10-15 level temperature programmed control, temperature control model
It is trapped among room temperature between 1000 DEG C.
The present invention proposes a kind of with gold-plated optical wave heating pipe as heating element heater, integrated ceramic wool insulation liner
As heating cavity, real-time accurate temperature controlling, remotely monitor.Compared with prior art, the invention has the beneficial effects as follows:
1) programming rate is fast, and ashing elapsed time foreshortens to 20-60min, saves more than 10 times than conventional ashing method.
2) specific gas can be passed through in sample pipe by air tube lid, accelerate sample ashing speed, shorten ashing time, timesharing
Section accurate temperature controlling, reduces volatile element loss.
3) eliminate conventional ashing method first in electric furnace pan carbonization, then proceed to the loaded down with trivial details flow process of Muffle furnace ashing.Can be once
Completing sample carbonization podzolic process, many gradients accurate temperature controlling in sample pipe, it is to avoid the error that manual operation causes, precision obtains
Ensure.
4) can remotely monitor, reduce labor intensity, improve work efficiency.
5) specimen locations form directly can be concentrated heating with radiation by the optical wave heating pipe in band reflecting layer, saves electric energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the sample pipe frame structure schematic diagram in the present invention.
Fig. 3 is the air tube lid structural representation in the present invention.
Fig. 4 is the structural representation of insulating lining in the present invention.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the present invention, real below in conjunction with the present invention
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly fully described by, it is clear that described embodiment
It is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
A kind of sample ashing device for fast heating intelligent temperature control, including air tube lid A,
Multidigit sample pipe support B, sample pipe B1, liftable sample pipe frame platform C, insulating lining D, optical wave heating pipe E, temperature sensor F,
Insulating lining support plate G, two layers of heat insulation support plate H, colored touch screen I, intelligent control circuit J, control circuit radiator fan K, circuit
Base plate L, side plate M.
During sample ashing, target sample is placed in sample pipe B1, then air tube lid A is positioned on multidigit sample pipe support B, gas
Needle cover A has air tube, and the air tube under air tube lid A is inserted into inside sample pipe B1, can be passed through the specific gas being suitable for this sample
Accelerate ashing speed, reduce element loss to be measured.Side plate M is provided with liftable sample pipe frame platform C, is positioned over by multidigit sample pipe support B
On liftable sample pipe frame platform C, multidigit sample pipe support B is provided with multiple sample pipe B1, regulates the height of liftable sample pipe frame platform C, thus
Change sample pipe B1 and insert the degree of depth of insulating lining D, make the sample in sample pipe B1 be in the heating interval that this sample is suitable for.In insulation
Lining support plate G and two layers of heat insulation support plate H is separately fixed on side plate M, and two layers of heat insulation support plate H are positioned at below insulating lining support plate G, protects
Temperature liner support plate G and two layers of heat insulation support plate H spacing 50～80mm, place between insulating lining support plate G and two layers of heat insulation support plate H
Ceramic wool insulation is cotton, and heat can be stoped to scatter and disappear, and the circuit board preventing lower section is overheated.Insulating lining D is positioned over insulating lining
On support plate G, insulating lining D is by ceramic fibre or mullite insulation material is integrally formed forms, and it has good heat insulation effect.
Sample position hole D1, temperature sensor fixing hole D2, optical wave heating pipe installing hole D3, heat dam D4 it is provided with on insulating lining D.Insulation
On liner D, proper alignment the sample position hole D1 of a diameter of 30mm of ordered series of numbers, and the both sides of each column sample position hole D1 are respectively arranged with an optical wave heating pipe
Installing hole D3, optical wave heating pipe installing hole D3 and sample position hole D1 communicate in inside, and optical wave heating pipe E is positioned over optical wave heating Guan An
In dress hole D3, its special structure design can be significantly reduced heat and scatter and disappear, and the heat radiation of optical wave heating pipe E can be directly through
Optical wave heating pipe E and the quartz container of sample pipe B1, act on sample, makes sample be brought rapidly up ashing.Due to sample pipe B1 and light
Wave heating pipe E is closely integrated on insulating lining D, and thermal loss is the least, and sample area temperature can be made to raise rapidly.Temperature sensing
Device F is installed in the temperature sensor fixing hole D2 on insulating lining D, and temperature sensor F is thermocouple, the general that it can be real-time
The temperature signal in current sample district is sent to intelligent control circuit, and processor controls the output work of optical wave tube E according to pre-set programs
Rate, to realize required design temperature.Described optical wave heating pipe E is shortwave diplopore halogen heating pipe or the heating of carbon medium wave diplopore
Pipe, heating pipe shell is quartz material, and one side has gold-plated reflector layer.Owing to being that light radiation directly heats, and on optical wave heating pipe E
There is again gold-plated reflector layer, infrared radiant energy major part can be made to be applied directly on sample, and need not be by the heating cavity of insulating lining D
Entirety is heated to design temperature, so temperature-responsive is sensitive, temperature control is accurate, and warming and cooling rate is fast.Uniform in insulating lining D both sides
The several heat dam D4s that run through insulating lining D of high 50mm width 4mm spacing 10mm are distributed.Heat dam D4 on insulating lining D
Too much being transmitted on side plate M of heat can be stoped, prevent side plate M temperature too high.Colored touch screen I is fixed on side plate M, logical
Cross colored touch screen I and can input the temperature control program of this sample ashing applicable.Circuit substrate L is positioned at the lower section of secondary heat insulation support plate H；
Circuit substrate L is provided with intelligent control circuit J, intelligent control circuit J and connects optical wave heating pipe E, temperature sensor F, on side plate M
It is provided with colored touch screen I；Colored touch screen I connects intelligent control circuit J, circuit substrate L and is provided with control circuit radiator fan
K.Intelligent control circuit J uses 32 micro-processing controls chips, has bluetooth, WiFi module, can pass through mobile phone or computer client
End remotely controls.After intelligent control circuit J starts the temperature control program of input, temperature control program can be inputted by colored touch screen I,
Heating curve shows in real time on colored touch screen I, the most also can be accessed mobile phone or computer client journey by bluetooth, WiFi network
Sequence, carries out real-time remote monitoring heating curve, to reduce the labor intensity of operator.Its temperature controls to pass through Intelligent control electric
Road J controls high-power IGBT module or the power output of full isolation one-way SCR AC voltage adjusting module control optical wave heating pipe E,
Power output control mode uses high-frequency pulsed width modulation, is fed back by temperature sensor real time temperature, according to stove body temperature
Change uses pulse or pulse width modulation mode to control the power output of optical wave heating pipe E in real time, uses 10-15 level temperature programmed control,
Temperature control scope is between room temperature to 1000 DEG C.Temperature control is accurate, responds sensitive.After heating schedule completes, can directly sample pipe support B be taken
Walking, the solutionization carrying out sample in sample pipe B1 processes, and need not carry out sample transfer, simplifies operating procedure greatly, reduces sample
The risk that product pollute.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, technical scheme can be carried out multiple letter
Monotropic shape, these simple deformation belong to protection scope of the present invention.
Claims (8)
1. a sample ashing device for fast heating intelligent temperature control, including air tube lid (A), multidigit sample pipe support (B), sample pipe
(B1), liftable sample pipe frame platform (C), insulating lining (D), optical wave heating pipe (E), temperature sensor (F), insulating lining support plate
(G), at the bottom of two layers of heat insulation support plate (H), colored touch screen (I), intelligent control circuit (J), control circuit radiator fan (K), circuit
Plate (L), side plate (M), it is characterised in that: base plate (L) is provided with liftable sample pipe frame platform (C), and liftable sample pipe frame platform (C) sets
There are multidigit sample pipe support (B), multidigit sample pipe support (B) to be provided with multiple sample pipe (B1), multidigit sample pipe support (B) is placed with air tube lid
(A), air tube lid (A) is provided with air tube, and it is internal that the air tube of air tube lid (A) is inserted into sample pipe (B1)；Side plate (M) is provided with insulating lining
Support plate (G) and two layers of heat insulation support plate (H), two layers of heat insulation support plate (H) are positioned at insulating lining support plate (G) lower section, insulating lining support plate
(G) being provided with insulating lining (D), insulating lining (D) is provided with hole, sample position (D1), temperature sensor fixing hole (D2), light wave add
Heat pipe installing hole (D3), heat dam (D4)；Hole, each sample position (D1) communicates with optical wave heating pipe installing hole (D3), optical wave heating pipe
Installing hole (D3) is provided with optical wave heating pipe (E)；Temperature sensor fixing hole (D2) is provided with temperature sensor (F)；At the bottom of circuit
Plate (L) is positioned at the lower section of the heat insulation support plate of secondary (H)；Side plate (M) is provided with colored touch screen (I)；Circuit substrate (L) is provided with intelligence
Energy control circuit (J), intelligent control circuit (J) connects optical wave heating pipe (E), temperature sensor (F), colored touch screen (I)；Electricity
Road base plate (L) is provided with control circuit radiator fan (K).
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: described can
Lifting sample pallet (C) freely adjustable height, thus change in the hole, sample position (D1) that sample pipe (B1) inserts insulating lining (D)
The degree of depth.
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: described guarantor
Temperature liner (D) is by ceramic fibre or mullite insulation material is integrally formed forms, and it is shaped as cuboid, on insulating lining (D)
Proper alignment hole, ordered series of numbers sample position (D1), and the both sides in hole, each column sample position (D1) are respectively arranged with optical wave heating pipe installing hole (D3), each
Hole, sample position (D1) communicates with optical wave heating pipe installing hole (D3), and optical wave heating pipe (E) is positioned over optical wave heating pipe installing hole (D3)
In, several heat dam (D4) running through insulating lining (D) it is evenly distributed with in insulating lining (D) both sides.
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: Based Intelligent Control
Circuit (J) uses 32 micro-processing controls chips, has bluetooth, WiFi module, can be carried out far by mobile phone or computer client
Process control.
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: described light
Wave heating pipe (E) is shortwave diplopore halogen heating pipe or carbon medium wave diplopore adds heat pipe, and heating pipe shell be quartzy material, and one side has
Gold-plated reflector layer.
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: described temperature
Degree sensor (F) is thermocouple, is installed in the temperature sensor fixing hole (D2) on insulating lining (D), can monitor stove in real time
Internal temperature, it is achieved accurate temperature controlling.
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: described two
The heat insulation support plate of layer (H) distance insulating lining support plate (G) 50～80mm, it is placed with ceramic wool insulation cotton.
The sample ashing device of a kind of fast heating intelligent temperature control the most as claimed in claim 1, it is characterised in that: its temperature control
Make and control high-power IGBT module or full isolation one-way SCR AC voltage adjusting module control light wave by intelligent control circuit (J)
Add the power output of heat pipe (E), fed back by real time temperature, use pulse or pulsewidth modulation side according to the change of stove body temperature
Formula controls the power output of optical wave heating pipe (E) in real time, uses 10-15 level temperature programmed control, and temperature control scope is in room temperature to 1000 DEG C
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727419.6A CN106198175B (en) | 2016-08-25 | 2016-08-25 | A kind of sample ashing device of fast heating intelligent temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727419.6A CN106198175B (en) | 2016-08-25 | 2016-08-25 | A kind of sample ashing device of fast heating intelligent temperature control |
Publications (2)
| Publication Number | Publication Date |
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| CN106198175A true CN106198175A (en) | 2016-12-07 |
| CN106198175B CN106198175B (en) | 2018-11-09 |
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| CN201610727419.6A Active CN106198175B (en) | 2016-08-25 | 2016-08-25 | A kind of sample ashing device of fast heating intelligent temperature control |
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| CN106843316A (en) * | 2017-03-01 | 2017-06-13 | 华中科技大学 | A kind of control method that is rapidly heated based on light-heating type, device and heating furnace |
| CN106979887A (en) * | 2017-05-10 | 2017-07-25 | 安徽中创食品检测有限公司 | Food inspection Muffle furnace burn-proof device |
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| CN106979887A (en) * | 2017-05-10 | 2017-07-25 | 安徽中创食品检测有限公司 | Food inspection Muffle furnace burn-proof device |
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| Publication number | Publication date |
|---|---|
| CN106198175B (en) | 2018-11-09 |
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