CN107884557A - A kind of timber quick methanol detection device and its detection method - Google Patents
A kind of timber quick methanol detection device and its detection method Download PDFInfo
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- CN107884557A CN107884557A CN201711320004.8A CN201711320004A CN107884557A CN 107884557 A CN107884557 A CN 107884557A CN 201711320004 A CN201711320004 A CN 201711320004A CN 107884557 A CN107884557 A CN 107884557A
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- tank body
- heater
- formaldehyde
- wood powder
- inner chamber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/46—Wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of timber quick methanol detection device and its detection method, wherein detection means includes tank body, heater, discharge blower fan, sensor, controller and display, the tank body is placed on the heating surface of heater, the lower end of the tank body is provided with the feed pipe connected with the inner chamber of tank body, and this feed pipe is provided with the charging plug for being used for closing feed pipe；The bottom of the tank body is connected with the drainage conduit connected with the inner chamber of tank body, and the connector between this drainage conduit and tank body is connected positioned at the lower end of the charging mouth of pipe, the discharge blower fan with drainage conduit；The upper end of the tank body is provided with air inlet, and this air inlet is provided with and is used to control the logical switch valve closed of air inlet；The sensor is installed on the inner chamber of tank body, and the sensor, heater, discharge blower fan and display are connected with controller.The present invention is simple in construction, easy to operate, and the degree of accuracy of detection is high, and detection speed is fast.
Description
Technical field
The present invention relates to timber formaldehyde examination technology, and in particular to a kind of timber quick methanol detection device and its detection side
Method.
Background technology
Timber is the material often used in current house decoration and furniture.And formaldehyde would generally be contained in composite wood, wood
The formaldehyde that material volatilizes can cause damage to the health of people.For this reason, it may be necessary to the content of formaldehyde in timber is detected.Mesh
Preceding conventional formaldehyde examination technical scheme has climate box method, immersion method, long test period, equipment heaviness, test equipment be present
And single testing cost it is high the problem of, it is difficult to promoted on a large scale in market and portable use.
The content of the invention
The invention aims to overcome above the shortcomings of the prior art, there is provided and it is a kind of simple and reasonable for structure,
Can quick detection and the accurate timber quick methanol detection device of detection.Meanwhile present invention also offers a kind of timber formaldehyde is fast
The detection method of speed detector.
The purpose of the present invention is realized by following technical scheme：This timber quick methanol detection device, including tank body, plus
Hot device, discharge blower fan, sensor, controller and display, the tank body are placed on the heating surface of heater, under the tank body
End is provided with the feed pipe connected with the inner chamber of tank body, and this feed pipe is provided with the charging plug for being used for closing feed pipe；The tank body
Bottom be connected with the drainage conduit connected with the inner chamber of tank body, connector between this drainage conduit and tank body is positioned at the charging mouth of pipe
Lower end, the discharge blower fan are connected with drainage conduit；The upper end of the tank body is provided with air inlet, and this air inlet is provided with and is used to control
The logical switch valve closed of air inlet；The sensor is installed on the inner chamber of tank body, the sensor, heater, discharge blower fan and aobvious
Show that device is connected with controller.
Preferably, the feed pipe is inclined upwardly relative to tank body, the axis of the feed pipe and the central shaft phase of tank body
The corner dimension of friendship is 30 °~60 °.
Preferably, the controller is ECU (electronic control unit) controller, and the ECU controllers pass through communicating circuit
It is connected with display.
Preferably, the bottom surface of the lower end of the connector between the drainage conduit and tank body and the inner chamber of tank body maintains an equal level.
Preferably, the area of the heating surface of the heater is more than the area of tank body bottom surface.
A kind of detection method based on above-mentioned timber quick methanol detection device, it is characterised in that comprise the following steps：
1) A grams of wood powder is weighed, and this powder is added to the inner chamber of tank body from feed pipe, then again fills in charging plug
Feed pipe, and switch valve is closed, to ensure the sealing of tank body；
2) controller sends instruction startup heater, and the wood powder for being pointed to the inner chamber of tank body is heated, then timber
Intrinsic formaldehyde starts gradually to evaporate into the inner chamber of tank body as the temperature in tank body rises in powder, and with the sky in tank body
Gas mixes；
3) heater keeps heating-up temperature, the intrinsic formaldehyde in wood powder is persistently volatilized, and sensor is examined every 1S
The content of formaldehyde in air in 1 tank body to be surveyed, and the numerical value of content of formaldehyde is sent to controller, the volume of tank body is B liters, and
The content of formaldehyde that sensor detects is Cmg/L；According to calculation formula G=100B*C/A, then controller calculates wood powder reality
When the formaldehyde that volatilizes relative to wood powder real-time content, wherein G be according to the formaldehyde that wood powder volatilizes relative to
The real-time content of wood powder；
4) the real-time content G that controller calculates is shown in the display, wherein being vertical by horizontal seat ticket, G values of time shaft
Coordinate, the change curve that the G values drawn are formed in the display with time shaft；
5) the real-time content reading in the display, being spaced 1S is respectively G1 and G2, and content of formaldehyde growth rate is △, and △=
(G2-G1)/G1；As △≤0.001, judge that the intrinsic formaldehyde in wood powder all volatilizees, then it is last in display
The real-time content G of display is the content of wood powder；
6) controller points out that heater is closed in instruction, and opens switch valve and discharge blower fan, then wood powder is in discharge wind
Tank body is extracted under condition of negative pressure caused by machine, and ozone enters the inner chamber of tank body by air inlet, by Kimura's powder
Tank body is cooled down while emptying.
Preferably, in step 2), heater is 105 °~120 ° to the heating-up temperature in tank body.
Preferably, in step 6), the time that discharge blower fan continues exhausting is 8min~15min.
The present invention has the following advantages relative to prior art：
1st, timber quick methanol detection device of the invention is mainly by tank body, heater, discharge blower fan, sensor, control
Device and display are formed, and its is simple in construction, easy to operate.
2nd, the structure of timber quick methanol detection device of the invention is simple, light weight, is easy to carry, and manufacturing cost is low,
Used beneficial to marketing.
3rd, the detection method based on timber quick methanol detection device in the present invention, easy to operate, the degree of accuracy of detection is high,
And detection speed is fast.
Brief description of the drawings
Fig. 1 is the structural representation of the timber quick methanol detection device of the present invention.
Wherein, 1 is tank body, and 2 be heater, and 3 be discharge blower fan, and 4 be sensor, and 5 be controller, and 6 be display, and 7 are
Feed pipe, 8 be charging plug, and 9 be drainage conduit, and 10 be air inlet, and 11 be switch valve, and 12 be wood powder.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
Timber quick methanol detection device as shown in Figure 1, including tank body, heater, discharge blower fan, sensor, control
Device and display, the tank body are placed on the heating surface of heater, and the lower end of the tank body is provided with what is connected with the inner chamber of tank body
Feed pipe, and this feed pipe is provided with the charging plug for being used for closing feed pipe；The bottom of the tank body is connected with the inner chamber with tank body
The drainage conduit of connection, the connector between this drainage conduit and tank body is positioned at the lower end of the charging mouth of pipe, the discharge blower fan and discharge
Pipe connects；The upper end of the tank body is provided with air inlet, and this air inlet is provided with and is used to control the logical switch valve closed of air inlet；It is described
Sensor is installed on the inner chamber of tank body, and the sensor, heater, discharge blower fan and display are connected with controller.
The feed pipe is inclined upwardly relative to tank body, the angle that the axis of the feed pipe intersects with the central shaft of tank body
Size is 30 °~60 °.The axis of feed pipe is preferably 45 ° with the corner dimension that the central shaft of tank body intersects in the present embodiment, is fitted
When big I ensure that wood powder smoothly flows therein the inner chamber of tank body.
The controller is ECU controllers, and the ECU controllers are connected by communicating circuit with display.The letter of this structure
It is single, and ensure that the reliability of work.
The bottom surface of the lower end of connector between the drainage conduit and tank body and the inner chamber of tank body maintains an equal level.This setting can facilitate
Remaining waste residue after the completion of cleaning test, ensure that the cleannes of the inner chamber of tank body, one-time detection result under the influence of avoiding.
The area of the heating surface of the heater is more than the area of tank body bottom surface.This setting makes the bottom surface of tank body to paste completely
Tightly in the heating surface of heater, the uniformity of heating ensure that.
A kind of detection method based on above-mentioned timber quick methanol detection device, it is characterised in that comprise the following steps：
1) A grams of wood powder is weighed, and this powder is added to the inner chamber of tank body from feed pipe, then again fills in charging plug
Feed pipe, and switch valve is closed, to ensure the sealing of tank body；
2) controller sends instruction startup heater, and the wood powder for being pointed to the inner chamber of tank body is heated, then timber
Intrinsic formaldehyde starts gradually to evaporate into the inner chamber of tank body as the temperature in tank body rises in powder, and with the sky in tank body
Gas mixes；
3) heater keeps heating-up temperature, the intrinsic formaldehyde in wood powder is persistently volatilized, and sensor is examined every 1S
The content of formaldehyde in air in 1 tank body to be surveyed, and the numerical value of content of formaldehyde is sent to controller, the volume of tank body is B liters, and
The content of formaldehyde that sensor detects is Cmg/L；According to calculation formula G=100B*C/A, then controller calculates wood powder reality
When the formaldehyde that volatilizes relative to wood powder real-time content, wherein G be according to the formaldehyde that wood powder volatilizes relative to
The real-time content of wood powder；
4) the real-time content G that controller calculates is shown in the display, wherein being vertical by horizontal seat ticket, G values of time shaft
Coordinate, the change curve that the G values drawn are formed in the display with time shaft；
5) the real-time content reading in the display, being spaced 1S is respectively G1 and G2, and content of formaldehyde growth rate is △, and △=
(G2-G1)/G1；As △≤0.001, judge that the intrinsic formaldehyde in wood powder all volatilizees, then it is last in display
The real-time content G of display is the content of wood powder；
6) controller points out that heater is closed in instruction, and opens switch valve and discharge blower fan, then wood powder is in discharge wind
Tank body is extracted under condition of negative pressure caused by machine, and ozone enters the inner chamber of tank body by air inlet, by Kimura's powder
Tank body is cooled down while emptying.
Above-mentioned detection method is simple to operate, safe, and cost is low, and accuracy is high and detection speed is fast, is easy to push away
Extensively.
In step 2), heater is 110 ° to the heating-up temperature in tank body.
In step 6), the time that discharge blower fan continues exhausting is 10min.
Embodiment 2
Based on the detection method of above-mentioned timber quick methanol detection device in addition to following technical characteristic with embodiment 1：
In step 2), heater is 105 ° to the heating-up temperature in tank body.In step 6), the time that discharge blower fan continues exhausting is
15min。
Embodiment 3
Based on the detection method of above-mentioned timber quick methanol detection device in addition to following technical characteristic with embodiment 1：
In step 2), heater is 120 ° to the heating-up temperature in tank body.In step 6), the time that discharge blower fan continues exhausting is
8min。
Above-mentioned embodiment is the preferred embodiments of the present invention, can not be limited the invention, and others are appointed
The change or other equivalent substitute modes what is made without departing from technical scheme, are included in the protection of the present invention
Within the scope of.
Claims (8)
- A kind of 1. timber quick methanol detection device, it is characterised in that：Including tank body, heater, discharge blower fan, sensor, control Device and display processed, the tank body are placed on the heating surface of heater, and the lower end of the tank body is provided with to be connected with the inner chamber of tank body Feed pipe, and this feed pipe is provided with and is used to close the charging plug of feed pipe；The bottom of the tank body be connected with tank body The drainage conduit of chamber connection, the connector between this drainage conduit and tank body is positioned at the lower end of the charging mouth of pipe, the discharge blower fan and row Expects pipe connects；The upper end of the tank body is provided with air inlet, and this air inlet is provided with and is used to control the logical switch valve closed of air inlet；Institute The inner chamber that sensor is installed on tank body is stated, the sensor, heater, discharge blower fan and display are connected with controller.
- 2. timber quick methanol detection device according to claim 1, it is characterised in that：The feed pipe is relative to tank body It is inclined upwardly, the corner dimension that the axis of the feed pipe intersects with the central shaft of tank body is 30 °~60 °.
- 3. timber quick methanol detection device according to claim 1, it is characterised in that：The controller controls for ECU Device, the ECU controllers are connected by communicating circuit with display.
- 4. timber quick methanol detection device according to claim 1, it is characterised in that：Between the drainage conduit and tank body The lower end of connector and the bottom surface of inner chamber of tank body maintain an equal level.
- 5. timber quick methanol detection device according to claim 1, it is characterised in that：The heating surface of the heater Area is more than the area of tank body bottom surface.
- 6. a kind of detection method of the timber quick methanol detection device based on described in Claims 1 to 5 any one, its feature It is, comprises the following steps：1) A grams of wood powder is weighed, and this powder is added to the inner chamber of tank body from feed pipe, charging plug is then filled in into charging again Pipe, and switch valve is closed, to ensure the sealing of tank body；2) controller sends instruction startup heater, and the wood powder for being pointed to the inner chamber of tank body is heated, then wood powder In intrinsic formaldehyde start gradually to evaporate into the inner chamber of tank body as the temperature in tank body rises, and mixed with the air in tank body Close；3) heater keeps heating-up temperature, the intrinsic formaldehyde in wood powder is persistently volatilized, and sensor detects 1 time every 1S Content of formaldehyde in tank body in air, and the numerical value of content of formaldehyde is sent to controller, the volume of tank body is B liters, and is sensed The content of formaldehyde that device detects is Cmg/L；According to calculation formula G=100B*C/A, then controller calculates wood powder and waved in real time For the formaldehyde sent relative to the real-time content of wood powder, wherein G is the formaldehyde volatilized according to wood powder relative to timber The real-time content of powder；4) the real-time content G that controller calculates is shown in the display, wherein using time shaft as horizontal seat ticket, G values are ordinate, The change curve that the G values drawn are formed in the display with time shaft；5) the real-time content reading in the display, being spaced 1S is respectively G1 and G2, and content of formaldehyde growth rate is △, △=(G2- G1)/G1；As △≤0.001, judge that the intrinsic formaldehyde in wood powder all volatilizees, then finally shown in display Real-time content G be wood powder content；6) controller points out that heater is closed in instruction, and opens switch valve and discharge blower fan, then wood powder is produced in discharge blower fan Tank body is extracted under raw condition of negative pressure, and ozone enters the inner chamber of tank body by air inlet, by Kimura's powder evacuation While tank body is cooled down.
- 7. the detection method of timber quick methanol detection device according to claim 6, it is characterised in that：In step 2), Heater is 105 °~120 ° to the heating-up temperature in tank body.
- 8. the detection method of timber quick methanol detection device according to claim 6, it is characterised in that：In step 6), The time that discharge blower fan continues exhausting is 8min~15min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320004.8A CN107884557A (en) | 2017-12-12 | 2017-12-12 | A kind of timber quick methanol detection device and its detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320004.8A CN107884557A (en) | 2017-12-12 | 2017-12-12 | A kind of timber quick methanol detection device and its detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107884557A true CN107884557A (en) | 2018-04-06 |
Family
ID=61774010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711320004.8A Withdrawn CN107884557A (en) | 2017-12-12 | 2017-12-12 | A kind of timber quick methanol detection device and its detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107884557A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887938A (en) * | 2019-12-03 | 2020-03-17 | 张媛淇 | Environmental protection material toxic substance volatilization check out test set |
| CN117761263A (en) * | 2024-02-22 | 2024-03-26 | 苏州市产品质量监督检验院(苏州市质量技术监督综合检验检测中心、苏州市质量认证中心) | Formaldehyde gas detection system and method |
-
2017
- 2017-12-12 CN CN201711320004.8A patent/CN107884557A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887938A (en) * | 2019-12-03 | 2020-03-17 | 张媛淇 | Environmental protection material toxic substance volatilization check out test set |
| CN117761263A (en) * | 2024-02-22 | 2024-03-26 | 苏州市产品质量监督检验院(苏州市质量技术监督综合检验检测中心、苏州市质量认证中心) | Formaldehyde gas detection system and method |
| CN117761263B (en) * | 2024-02-22 | 2024-05-03 | 苏州市产品质量监督检验院(苏州市质量技术监督综合检验检测中心、苏州市质量认证中心) | Formaldehyde gas detection system and method |
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Application publication date: 20180406 |
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