CN109541148A - A kind of efficient on-line continuous formaldehyde removal rate evaluation working station - Google Patents
A kind of efficient on-line continuous formaldehyde removal rate evaluation working station Download PDFInfo
- Publication number
- CN109541148A CN109541148A CN201811619404.3A CN201811619404A CN109541148A CN 109541148 A CN109541148 A CN 109541148A CN 201811619404 A CN201811619404 A CN 201811619404A CN 109541148 A CN109541148 A CN 109541148A
- Authority
- CN
- China
- Prior art keywords
- unit
- gas
- paraformaldehyde
- heating device
- removal rate
- 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
Links
Classifications
-
- 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
Abstract
The present invention provides a kind of on-line continuous formaldehyde removal rate evaluation working station, which needs external high pure air source and computer.High pure air source is connect with two-way flow controlling unit；First via flow controlling unit is connect with paraformaldehyde gasification unit, paraformaldehyde cracking unit and mixed gas unit；Second road flow controlling unit is connect with mixed gas unit；Mixed gas unit is connected with gas distribution member, gas flow rate control unit module, gas circuit control unit module, gas-solid reaction unit module, gas circuit detection unit module and tail gas buffer cell；Gas circuit detection unit module is connected with external computer above-mentioned.Paraformaldehyde gasification unit includes heating device, includes a cylindrical container being completely submerged in heating device in device, includes the cylindric bottle equipped with paraformaldehyde in cylindrical container.It includes heating device that paraformaldehyde, which cracks unit, includes a reaction tube in heating device.The work station is compact-sized, reliable performance, efficiently.
Description
Technical field
The present invention relates to a kind of efficient on-line continuous formaldehyde removal rate evaluation working station, the work station is used for Research Center
Institute, University Enterprise researcher efficiently, online, continuously detect the formaldehyde removal rate of catalysis or adsorbent material.
Background technique
Formaldehyde (HCHO) is the common interior of one kind, in-vehicle air pollution object, and the influence to human health is mainly manifested in
Allotriosmia, stimulation, allergy, abnormal pulmonary function, dysfunction of liver etc., National Institute and health tissues have been announced
Formaldehyde may have carcinogenesis to people, therefore by people's extensive concern.
" Air Quality Evaluation guide in passenger car " (GB/T 27630-2011) and " Indoor Air Quality standards " (GB/
T 18883-2002) in provide formaldehyde maximum permissible concentration be 0.1 mg/m3；" sanitary standard of formaldehyde in indoor air "
(GB/T16127-1995) regulation formaldehyde maximum permissible concentration is 0.08 mg/m3。
It is larger in view of the harmfulness of formaldehyde, and country's control is increasingly stringenter, therefore numerous scientific research institutions, colleges and universities and enterprise
It is different types of except formaldehyde materials in exploitation.Lack a kind of efficient formaldehyde removal rate evaluating apparatus during this, thus
Greatly reduce the efficiency that scientific research personnel's exploitation removes formaldehyde materials.
The object of the invention is to solve the above problems, provided for numerous scientific research institutions, colleges and universities and enterprise a kind of effective
Formaldehyde removal rate evaluation working station improves the development efficiency of scientific research personnel by the popularization and use of the work station.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the invention to propose a kind of efficient on-line continuous formaldehyde removal rate evaluation
Work station, makes up that existing evaluation and test means intermittently operated, temperature control is unstable, stream of gaseous formaldehyde is unstable, long, number of stablizing the time
The deficiencies of according to hand-kept.
The object of the invention is realized by following proposal: a kind of efficient on-line continuous formaldehyde removal rate evaluation working station, including
Following content:
Work station is external for providing stable high pure air source, is controlled by computerized control system, computerized control system completion pair
Data collection, processing and display；
High pure air source is divided into two-way and connect with flow controlling unit one and flow controlling unit two；Flow controlling unit one and more
Polyformaldehyde gasification unit, paraformaldehyde cracking unit are connected with mixed gas unit；Flow controlling unit two is connect with mixed gas unit；It is mixed
Gas unit is sequentially connected with gas distribution member, gas flow rate control unit module, gas circuit control unit module；Gas circuit control is single
Element module is connected with gas-solid reaction unit module, gas circuit detection unit module and tail gas buffer cell respectively；Gas circuit detection unit I
Module is connected with the computerized control system.
Flow controlling unit one, flow controlling unit two are mass flowmenter.
Paraformaldehyde gasification unit includes a kind of temperature in -100 DEG C of room temperature controllable, the paraformaldehyde gas that precision is 0.1 DEG C
Change unit heating device, which contains insulating layer；It include a cylinder being completely submerged in heating device in device
Shape container；Include the cylindric bottle equipped with paraformaldehyde in cylindrical container.
The insulating layer of the paraformaldehyde gasification unit heating device is mineral wool；Cylindrical container is double-layer stainless steel；Circle
Column bottle is stainless steel material.
Cylindric bottle has lid；Stainless steel tube is housed on lid；The length of stainless steel tube can adjust 5-100mm,
Diameter can be adjusted in 0.05-3mm.
The paraformaldehyde cracking unit is that a kind of temperature is controllable at 150-250 DEG C, and precision is that 1 DEG C of paraformaldehyde is split
Unit heating device is solved, which contains insulating layer；It include a cracking reaction pipe in heating device.
The insulating layer that the paraformaldehyde cracks unit heating device is mineral wool；Cracking reaction pipe is quartz glass tube.
The mixed gas unit contains polytetrafluoroethyllining lining；The gas flow rate control unit module is spinner
Meter；The tail gas buffer cell is stainless steel material.
The gas-solid reaction unit module includes that a kind of temperature is controllable at -200 DEG C of room temperature, and precision is that 1 DEG C of gas-solid is anti-
Unit module heating device is answered, which contains insulating layer；Several gas-solid reaction glass tubes can be placed in heating device；
The insulating layer of the gas-solid reaction unit module heating device is mineral wool；Gas-solid reaction glass tube material is quartz material.
The paraformaldehyde cracking unit and mixed gas unit connecting line have polytetrafluoroethyllining lining, and pipeline is no more than
200mm, while the pipeline and the heat preservation of mixed gas unit heating tape are at 100 DEG C or more.
The external high pure air source of work station and computer.High pure air source is connect with two-way flow controlling unit；First via stream
Amount control unit is connect with paraformaldehyde gasification unit, paraformaldehyde cracking unit and mixed gas unit；Second tunnel flow control list
It is first to be connect with mixed gas unit；Mixed gas unit and gas distribution member, gas flow rate control unit module, gas circuit control unit mould
Block, gas-solid reaction unit module, gas circuit detection unit module are connected with tail gas buffer cell；Gas circuit detection unit module with it is aforementioned
External computer be connected.
Wherein paraformaldehyde gasification unit includes heating device, is completely submerged in heating device in device comprising one
Cylindrical container, cylindrical container is interior to include the cylindric bottle equipped with paraformaldehyde.
Wherein paraformaldehyde cracking unit includes heating device, includes a reaction tube in heating device.
Wherein gas-solid reaction unit module includes heating device, can place several gas-solid reaction glass tubes in heating device.
Wherein paraformaldehyde cracking unit and mixed gas unit connecting line have polytetrafluoroethyllining lining, and pipeline is no more than
200mm, while the pipeline and mixed gas unit are kept the temperature using heating tape at 100 DEG C or more.
Paraformaldehyde is a kind of granular solid-state formaldehyde, can evaporate in certain temperature range and generate paraformaldehyde steaming
Vapour, formaldehyde vapor can be decomposed by further heating up.Formaldehyde vapor is a kind of unstable substance, and concentration is high or temperature is lower
When be easy to polymerize again as paraformaldehyde solid, therefore when concentration is higher need keep the temperature then dilution with
To stable formaldehyde gas.In the present invention, stable formaldehyde gas source is obtained by modes such as gas circuit heat preservation, gas dilutions.
In gas-solid reaction unit module, is controlled by temperature in certain temperature range, material in the temperature range can be studied
Material removes aldehyde performance, to widen research range.
Another characteristic of the invention is with multichannel while can to detect formaldehyde removal rate, can be with if necessary to channel
It further increases.
The work station stable temperature control, precision are high, formaldehyde gas concentration, stability of flow, and work station is compact-sized, performance
Reliably, data computer automatically records monitoring, be scientific research institutions, University Enterprise researcher efficiently, online, continuous detection catalysis or
The ideal equipment of person's adsorbent material formaldehyde removal rate.
The work station needs external high pure air source and computer.High pure air source is connect with two-way flow controlling unit；First
Road flow controlling unit is connect with paraformaldehyde gasification unit, paraformaldehyde cracking unit and mixed gas unit；Second road flow control
Unit processed is connect with mixed gas unit；Mixed gas unit and gas distribution member, gas flow rate control unit module, gas circuit control unit
Module, gas-solid reaction unit module, gas circuit detection unit module are connected with tail gas buffer cell；Gas circuit detection unit module is with before
The external computer stated is connected.Paraformaldehyde gasification unit includes heating device, is completely submerged in heating comprising one in device and fills
Cylindrical container in setting, cylindrical container is interior to include the cylindric bottle equipped with paraformaldehyde.Paraformaldehyde cracks unit packet
It include a reaction tube in heating device containing heating device.Gas-solid reaction unit module includes heating device, can in heating device
Place several gas-solid reaction glass tubes.The work station stable temperature control, precision are high, formaldehyde gas concentration, stability of flow, work
Station structure is compact, reliable performance, be scientific research institutions, University Enterprise researcher efficiently, online, continuous detection catalysis or absorption
The ideal equipment of material formaldehyde removal rate.
Detailed description of the invention
Fig. 1 is work station top view；
Fig. 2 is work station main view；
Fig. 3 is work station paraformaldehyde gasification unit schematic diagram；
Fig. 4 is work station equiaxed perspective view；
Figure label explanation:
I --- high pure air source；II --- computerized control system；
1 --- flow controlling unit one；2 --- flow controlling unit two；
3 --- paraformaldehyde gasification unit；4 --- paraformaldehyde cracks unit；5 --- mixed gas unit；
6 --- gas distribution member；7 --- gas flow rate control unit module；8 --- gas circuit control unit module；
9 --- gas-solid reaction unit module；10 --- gas circuit detection unit module；11 --- tail gas buffer cell；
12 --- paraformaldehyde gasification unit heating device；
13 --- cylindrical container；14 --- cylindric bottle；15 --- lid；
16 --- stainless steel tube；
17 --- paraformaldehyde cracks unit heating device；18 --- cracking reaction pipe；
19 --- gas-solid reaction unit module heating device；20 --- gas-solid reaction glass tube.
Specific embodiment
Following instance is for being described in more detail the present invention, but the present invention is not limited thereto.
Referring to Fig. 1-4, the present embodiment selects 111 Zero gas generator of thermoelectricity Model to provide stable high pure air source, defeated
Pressure is set as 22.5psi out.
Such as Fig. 1, work station is external for providing stable high pure air source I, is controlled by computerized control system II, the computer control
The complete paired data of system processed is collected, handles and is shown；
High pure air source I is divided into two-way and connect with flow controlling unit 1 and flow controlling unit 22；Flow controlling unit 1
It is connect with paraformaldehyde gasification unit 3, paraformaldehyde cracking unit 4 and mixed gas unit 5；Flow controlling unit 22 and mixed gas list
Member 5 connects；Mixed gas unit 5 and gas distribution member 6, gas flow rate control unit module 7, gas circuit control unit module 8 are successively
It is connected；Gas circuit control unit module 8 buffers with gas-solid reaction unit module 9, gas circuit detection unit module 10 and tail gas single respectively
Member 11 is connected；Gas circuit detection unit module 10 is connected with the computerized control system II.
The high pure air come out from Zero gas generator, enters flow controlling unit 1, selection is Brook all the way
Instrument company matching quality flowmeter, flow-control scope 0-100ml/min；Another way enters flow controlling unit
22, selection be Sevenstar-HC D07-11C, flow-control scope 0-3000ml/min.
The high pure air stream that flow controlling unit 1 comes out enters paraformaldehyde gasification unit 3, and it includes with mineral wool
The heating device of heat preservation, temperature-control range are -100 DEG C of room temperature, and precision is 0.1 DEG C；Include a double-layer stainless steel customization in device
Container, diameter 50mm, long 150mm include cylindric stainless steel cylinder, diameter 40mm, high 30mm, fill in advance in stainless steel cylinder
10 grams of paraformaldehydes are sealed with stainless steel lid, while installing the stainless steel tube of internal diameter 1mm long 50mm.In paraformaldehyde gas
Change at unit 3, paraformaldehyde in stainless steel cylinder by certain time balance, can be stable be evaporated, as air-flow is by band
Out.
The paraformaldehyde air-flow that paraformaldehyde gasification unit 3 comes out proceeds immediately to paraformaldehyde cracking unit 4, it includes
Heating device with mineral wool heat preservation, temperature-control range are -300 DEG C of room temperature, and precision is 1 DEG C；Comprising one long in heating device
The quartz material cracking reaction pipe of 180mm caliber 32mm.At a proper temperature, paraformaldehyde can decompose generation formaldehyde gas.
Paraformaldehyde cracks the high pure air that the formaldehyde gas that unit 4 comes out and flow controlling unit 2 come out and enters and mix
Gas unit 5, mixes the rustless steel container that gas unit 5 is inner liner polytetrafluoroethylene, and formaldehyde gas is diluted here.
Enter gas distribution member 6 by diluted formaldehyde gas, which is that the stainless steel of inner liner polytetrafluoroethylene holds
Device.
The dilution stream of gaseous formaldehyde that gas distribution member 6 comes out carries out flow control by gas flow rate control unit module 7,
The gas flow rate control unit module has selected KD800-6F glass rotameter, flow-control scope 0-800ml/min.
After gas flow rate control unit module 7, air-flow enters gas circuit control unit module 8, which is two four
Pass ball valve.
There are two types of flow directions for the air-flow that gas circuit control unit module 8 comes out: one kind being that airflow through gas-solid reaction unit module
9, subsequently into gas circuit detection unit module 10；Another kind is that air-flow is directly entered gas circuit detection unit module 10.Herein, gas-solid
The heating device that reaction member module 9 has selected mineral wool to keep the temperature, -200 DEG C of temperature range room temperature, precision are 1 DEG C, the gas-solid list
Member has selected the reaction tube of U-shaped quartz material, bore 5mm；Gas circuit detection unit module 10 has selected Shenzhen Yuan Te YT-
95H-CH2O-A formaldehyde on-line detector, range 0-20ppm.
The gas come out from gas circuit detection unit module 10 enters tail gas buffer cell 11, holds for the stainless steel of customization
Device, having a size of 250*40*150mm.The tail gas that tail gas buffer cell 11 comes out can be discharged into outdoor, can also be with solvent absorption.
It is the air circuit connection of work station, the circuit connection of work station above are as follows: gas circuit detection unit module 10 passes through data
Collector is connect with desktop computer, while being installed upper computer software progress data and being recorded and handle in real time.
Pass through the stainless steel in flow controlling unit 1 and flow controlling unit 22 and paraformaldehyde gasification unit 3
The temperature of pipe parameter and paraformaldehyde gasification unit is set, can be to the concentration of formaldehyde of output, flow in a certain range
Inside accurately control.Specifically, one 1 gas flow of flow controlling unit is set as 40ml/min, 22 gas of flow controlling unit
Flow set is 1560ml/min, and the temperature of paraformaldehyde gasification unit is set as 35 DEG C, stainless steel tube internal diameter 1mm long 50mm.
Wherein paraformaldehyde cracking unit 4 in heating device controlled at 170 DEG C.After overmulling gas unit and other allocation units,
It is detected by gas circuit detection unit module 10, available concentration is the formaldehyde of 3.2ppm, in 2.9ppm to 3.5ppm range
Interior fluctuation meets the evaluation of formaldehyde removal rate and requires.Paraformaldehyde cracks unit 4 and 5 connecting line liner polytetrafluoro of mixed gas unit
Ethylene, pipeline is no more than 150mm, while the pipeline and the heat preservation of mixed 5 heating tape of gas unit are at 100 DEG C or more.When concentration of formaldehyde is steady
After fixed, it is packed into assessment material in reaction tube 20, the stream of gaseous formaldehyde is then switched by gas circuit control unit module 8 and is entered instead
Should pipe 20, the reaction temperature of gas-solid reaction unit module 9 is set as room temperature herein, and air-flow passes through gas circuit detection unit module 10 and examines
It surveys, the formaldehyde removal rate of material can be obtained.
The work station stable temperature control, the formaldehyde gas concentration that equilibrium state obtains are stablized, and gas flow is convenient for adjusting,
Work station is compact-sized convenient for placing, work station reliable performance, data computer real-time automatic recording, and material may be implemented except aldehyde
The continuous online evaluation of energy, to substantially increase Efficiency.The work station is scientific research institutions, University Enterprise researcher's height
Imitate the ideal equipment of on-line continuous detection catalysis or adsorbent material formaldehyde removal rate.
The description of above embodiments, which is easy for those skilled in the art, to be understood and applied the invention.It is familiar with
The personnel of art technology easily make various modifications to these embodiments, and General Principle described herein is applied to it
In his embodiment without having to go through creative labor.Therefore, the present invention is not limited to embodiment here, those skilled in the art
Announcement according to the present invention, the improvement made for the present invention and modification all should be within protection scope of the present invention.
Claims (10)
1. a kind of efficient on-line continuous formaldehyde removal rate evaluation working station, which is characterized in that including following content:
Work station is external for providing stable high pure air source (I), is controlled by computerized control system (II), the computerized control system
Complete paired data is collected, handles and is shown；
High pure air source (I) is divided into two-way and connect with flow controlling unit one (1) and flow controlling unit two (2)；Flow control
Unit one (1) is connect with paraformaldehyde gasification unit (3), paraformaldehyde cracking unit (4) and mixed gas unit (5)；Flow control
Unit two (2) is connect with mixed gas unit (5)；Mixed gas unit (5) and gas distribution member (6), gas flow rate control unit module
(7), gas circuit control unit module (8) is sequentially connected；Gas circuit control unit module (8) respectively with gas-solid reaction unit module (9),
Gas circuit detection unit module (10) is connected with tail gas buffer cell (11)；Gas circuit detection unit module (10) and the computer control
System (II) processed is connected.
2. efficient on-line continuous formaldehyde removal rate evaluation working station as described in claim 1, which is characterized in that flow controlling unit
One (1), flow controlling unit two (2) are mass flowmenter.
3. efficient on-line continuous formaldehyde removal rate evaluation working station as described in claim 1, which is characterized in that paraformaldehyde gasification
Unit (3) includes a kind of temperature in -100 DEG C of room temperature controllable, the paraformaldehyde gasification unit heating devices that precision is 0.1 DEG C
(12), which contains insulating layer；It include a cylindrical container (13) being completely submerged in heating device in device；
Include the cylindric bottle (14) equipped with paraformaldehyde in cylindrical container.
4. efficient on-line continuous formaldehyde removal rate evaluation working station as claimed in claim 3, which is characterized in that the paraformaldehyde gas
The insulating layer for changing unit heating device (12) is mineral wool；Cylindrical container (13) is double-layer stainless steel；Cylindric bottle (14)
For stainless steel material.
5. efficient on-line continuous formaldehyde removal rate evaluation working station as claimed in claim 3, which is characterized in that cylindric bottle
(14) lid (15) are had；Stainless steel tube (16) are housed on lid (15)；The length of stainless steel tube (16) can adjust 5-
100mm, diameter can be adjusted in 0.05-3mm.
6. efficient on-line continuous formaldehyde removal rate evaluation working station as described in claim 1, which is characterized in that the poly first
Aldehyde lyase unit (4) is that the paraformaldehyde that a kind of temperature is controllable at 150-250 DEG C, and precision is 1 DEG C cracks unit heating device
(17), which contains insulating layer；It include a cracking reaction pipe (18) in heating device.
7. efficient on-line continuous formaldehyde removal rate evaluation working station as claimed in claim 6, which is characterized in that the paraformaldehyde is split
The insulating layer for solving unit heating device (17) is mineral wool；Cracking reaction pipe (18) is quartz glass tube.
8. efficient on-line continuous formaldehyde removal rate evaluation working station as described in claim 1, which is characterized in that the mixed gas list
First (5) contain polytetrafluoroethyllining lining；The gas flow rate control unit module (7) is spinner flowmeter；The tail gas
Buffer cell (11) is stainless steel material.
9. efficient on-line continuous formaldehyde removal rate evaluation working station as described in claim 1, which is characterized in that the gas-solid is anti-
Answering unit module (9) includes a kind of temperature in -200 DEG C of room temperature controllable, the gas-solid reaction unit module heating devices that precision is 1 DEG C
(19), which contains insulating layer；Several gas-solid reaction glass tubes (20) can be placed in heating device；
The insulating layer of the gas-solid reaction unit module heating device (19) is mineral wool；Gas-solid reaction glass tube (20) material is stone
English material.
10. efficient on-line continuous formaldehyde removal rate evaluation working station as described in claim 1, which is characterized in that the poly
Formaldehyde cracks unit (4) and mixed gas unit (5) connecting line has polytetrafluoroethyllining lining, and pipeline is no more than 200mm, simultaneously should
Pipeline and the heat preservation of mixed gas unit (5) heating tape are at 100 DEG C or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619404.3A CN109541148A (en) | 2018-12-28 | 2018-12-28 | A kind of efficient on-line continuous formaldehyde removal rate evaluation working station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619404.3A CN109541148A (en) | 2018-12-28 | 2018-12-28 | A kind of efficient on-line continuous formaldehyde removal rate evaluation working station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109541148A true CN109541148A (en) | 2019-03-29 |
Family
ID=65857079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619404.3A Pending CN109541148A (en) | 2018-12-28 | 2018-12-28 | A kind of efficient on-line continuous formaldehyde removal rate evaluation working station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541148A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174475A (en) * | 2019-06-05 | 2019-08-27 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of multichannel on-line continuous VOC removal rate evaluation working station |
| CN111141885A (en) * | 2019-05-07 | 2020-05-12 | 杭州超钜科技有限公司 | Automatic detection device and detection method for gas mercury detector |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877338A (en) * | 2006-07-20 | 2006-12-13 | 中国计量科学研究院 | Dynamic air-distributing device for formaldehyde standard gas |
| CN102416296A (en) * | 2011-10-24 | 2012-04-18 | 沈阳建筑大学 | Method for treating formaldehyde by using activated carbon fiber loaded titanium-containing blast furnace slag |
| CN202453333U (en) * | 2011-12-01 | 2012-09-26 | 广州市威格林环保科技有限公司 | Multi-channel device for evaluating catalysts |
| CN206321619U (en) * | 2016-11-24 | 2017-07-11 | 厦门沁华科技有限公司 | Load type gold catalyst removes formaldehyde evaluation system |
| CN106984188A (en) * | 2017-04-23 | 2017-07-28 | 王海峰 | A kind of application of Degradation Formaldehyde Laboratory Module, experimental method and photoactivation agent degradation of formaldehyde |
| CN207146658U (en) * | 2017-08-27 | 2018-03-27 | 西安德正环保科技有限公司 | A kind of air cleaning facility is with removing formaldehyde plant |
| CN207440030U (en) * | 2017-09-21 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of comparative evaluation device of denitrating catalyst |
| CN108414681A (en) * | 2018-01-25 | 2018-08-17 | 李勇 | A kind of wall paper removes the detection method of formaldehyde efficiency |
| CN207882241U (en) * | 2018-03-03 | 2018-09-18 | 上海东星环保油墨有限公司 | A kind of detection device of formaldehyde removal rate |
| CN208066339U (en) * | 2018-01-30 | 2018-11-09 | 北京中教金源科技有限公司 | A kind of high temperature photo-thermal catalyst reaction device |
| CN208224202U (en) * | 2018-05-02 | 2018-12-11 | 东莞市华生益环保净化科技有限公司 | A kind of device detecting formaldehyde removal rate material |
-
2018
- 2018-12-28 CN CN201811619404.3A patent/CN109541148A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877338A (en) * | 2006-07-20 | 2006-12-13 | 中国计量科学研究院 | Dynamic air-distributing device for formaldehyde standard gas |
| CN102416296A (en) * | 2011-10-24 | 2012-04-18 | 沈阳建筑大学 | Method for treating formaldehyde by using activated carbon fiber loaded titanium-containing blast furnace slag |
| CN202453333U (en) * | 2011-12-01 | 2012-09-26 | 广州市威格林环保科技有限公司 | Multi-channel device for evaluating catalysts |
| CN206321619U (en) * | 2016-11-24 | 2017-07-11 | 厦门沁华科技有限公司 | Load type gold catalyst removes formaldehyde evaluation system |
| CN106984188A (en) * | 2017-04-23 | 2017-07-28 | 王海峰 | A kind of application of Degradation Formaldehyde Laboratory Module, experimental method and photoactivation agent degradation of formaldehyde |
| CN207146658U (en) * | 2017-08-27 | 2018-03-27 | 西安德正环保科技有限公司 | A kind of air cleaning facility is with removing formaldehyde plant |
| CN207440030U (en) * | 2017-09-21 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of comparative evaluation device of denitrating catalyst |
| CN108414681A (en) * | 2018-01-25 | 2018-08-17 | 李勇 | A kind of wall paper removes the detection method of formaldehyde efficiency |
| CN208066339U (en) * | 2018-01-30 | 2018-11-09 | 北京中教金源科技有限公司 | A kind of high temperature photo-thermal catalyst reaction device |
| CN207882241U (en) * | 2018-03-03 | 2018-09-18 | 上海东星环保油墨有限公司 | A kind of detection device of formaldehyde removal rate |
| CN208224202U (en) * | 2018-05-02 | 2018-12-11 | 东莞市华生益环保净化科技有限公司 | A kind of device detecting formaldehyde removal rate material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111141885A (en) * | 2019-05-07 | 2020-05-12 | 杭州超钜科技有限公司 | Automatic detection device and detection method for gas mercury detector |
| CN110174475A (en) * | 2019-06-05 | 2019-08-27 | 上海纳米技术及应用国家工程研究中心有限公司 | A kind of multichannel on-line continuous VOC removal rate evaluation working station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105158028B (en) | A kind of stationary source diluting and sampling system for particle | |
| CN101357305B (en) | Preparation device and method of low-concentration gas of certain humidity | |
| CN109541148A (en) | A kind of efficient on-line continuous formaldehyde removal rate evaluation working station | |
| CN106525520B (en) | Dilution multi-stage sampling device for flue gas mixing channel of fixed combustion source | |
| CN104198227A (en) | Catering source particulate matter and volatile organic compound sampling system | |
| CN104568519B (en) | Constant current temperature control atmospheric sampling equipment | |
| CN102798565A (en) | Gas distribution device utilizing saturated steam method to simulate exhalation gas alcohol content and concentration algorithm thereof | |
| CN101380541B (en) | Aerosol drying equipment | |
| CN104713938B (en) | The on-line analysis system and method for a kind of continuous monitoring catalysis reduction nitrobenzene reaction | |
| US20100201006A1 (en) | Method and apparatus for stable and adjustable gas humidification | |
| CN102621276B (en) | Device capable of controllably correcting ratio, gradient and vertical fractional distillation process measurement of oxyhydrogen stable isotope in atmospheric water | |
| CN207351774U (en) | A kind of volatile organic matter purge and trap device | |
| JPH0365231A (en) | Method and apparatus for manufacturing gas-vapor mixture | |
| CN206710422U (en) | A kind of system of continuous on-line determination soil CH_4 uptake flux | |
| CN102692481B (en) | Mercury scale gas generating device | |
| CN110174475A (en) | A kind of multichannel on-line continuous VOC removal rate evaluation working station | |
| CN106769264A (en) | One kind dilution particle sampler and its method for sampling | |
| CN104535725B (en) | Monitoring system | |
| CN106706082A (en) | Field service type standard meter method-based flow detection equipment | |
| CN107271236A (en) | System and its purposes in hud typed aerosol is prepared occur for a kind of hud typed aerosol | |
| CN109729895A (en) | A kind of laboratory system of weather modification | |
| CN205213538U (en) | Smoked gas device of intelligence ozone | |
| CN108982280B (en) | Pulverized coke demercuration performance evaluation method and system based on entrained flow bed | |
| CN107607673A (en) | The experimental provision of volatile environmental pollutants adsorption efficiency in a kind of evaluation gas phase | |
| CN204346770U (en) | Constant current temperature control atmosphere sampler |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
|
| RJ01 | Rejection of invention patent application after publication |