CN106248871B - A kind of formaldehyde absorbing test chamber - Google Patents
A kind of formaldehyde absorbing test chamber Download PDFInfo
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- CN106248871B CN106248871B CN201610543626.6A CN201610543626A CN106248871B CN 106248871 B CN106248871 B CN 106248871B CN 201610543626 A CN201610543626 A CN 201610543626A CN 106248871 B CN106248871 B CN 106248871B
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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
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Abstract
The present invention provides a kind of formaldehyde absorbing test chamber for avoiding gas leakage in cabin, including casing, the body side is provided with hatch door, gas introducing port and gloves mounting hole, towards chemical defence gloves are provided with casing, the chemical defence gloves rim seal is fixed on gloves mounting hole the gloves mounting hole.The beneficial effects of the present invention are：The hermetically sealed can equipped with the formaldehyde adsorbent measured is put into cabin before being passed through formaldehyde gas, after formaldehyde being passed through into containment housing, hermetically sealed can is opened by the chemical defence gloves being sealingly disposed on casing, the formaldehyde adsorbent measured is poured into carrying apparatus, chemical defence gloves on gloves mounting hole are used for the operation under complete closed environment in cabin, can avoid formaldehyde effusion in cabin so that influence test result.
Description
This case is the Application No. 201510079613.3 using the applying date as 2015-02-13, a kind of entitled " formaldehyde absorbing
The divisional application that the patent of invention of test chamber " is carried out for female case.
Background technology
Atmosphere pollution (such as formaldehyde) adsorption test method mainly has at present：
1st, absorption method is forced：Nitrogen is set to carry formaldehyde and its water steaming by formalin (38-40%) pure nitrogen gas
Gas, and by the mixed gas by the adsorption column equipped with formaldehyde adsorbent after, test after adsorption column concentration of formaldehyde in gas.
This method formaldehyde mixed gas is to be forced through adsorption column, it is impossible to the suction of adsorbent PARA FORMALDEHYDE PRILLS(91,95) in effective simulating living room environment
It is attached.
2nd, gravimetric method：The adsorbent of known weight is put into the container containing finite concentration formaldehyde, the timing of absorption one
Between after, test adsorbent absorption before and after weight change.Because formaldehyde on the market is solution state (38-40%), the survey
Contain a large amount of vapor in test ring border, so after adsorbent absorption, weightening is mostly that absorption vapor causes, it is impossible to is reflected actual
Test result.
3rd, Chromatography test method method：Nitrogen is set to carry formaldehyde and its water by formalin (38-40%) pure nitrogen gas
Steam, by a container equipped with formaldehyde adsorbent, testing the change of formaldehyde gas concentration before and after absorption.Institute in this method
The gas chromatograph used is expensive, and maintenance is costly, and medium-sized and small enterprises are difficult to receive.
The utility model patent of Application No. 200920069641.7 discloses a kind of adsorption effect of PARA FORMALDEHYDE PRILLS(91,95) adsorbent
The test device of evaluation, including casing and case lid, case lid center are provided with perforate.When needing to add formaldehyde adsorbent, by one
Pvc pipe is stretched into case by perforate, the adsorbent of bulky grain by above case lid on the pallet that the pvc pipe enters casing；
If little particle adsorbent, then it is wrapped with cloth, directly from top, circular hole is placed in pallet, can if quantity of sorbent is larger
To use multiple cloth bags.Due to adding adsorbent to be carried out after formaldehyde gas is passed through casing, easily cause the leakage of formaldehyde gas,
Influence test result.
The content of the invention
The technical problems to be solved by the invention are：A kind of formaldehyde absorbing test for avoiding gas leakage in cabin is provided
Cabin.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of formaldehyde absorbing test chamber, including casing, the body side are provided with hatch door, gas introducing port and gloves installation
Hole, the gloves mounting hole are fixed on gloves installation towards chemical defence gloves, the chemical defence gloves rim seal is provided with casing
Kong Shang.
The beneficial effects of the present invention are：The hermetically sealed can equipped with the formaldehyde adsorbent measured is put before being passed through formaldehyde gas
Enter in cabin, after being passed through formaldehyde into containment housing, open hermetically sealed can by the chemical defence gloves being sealingly disposed on casing, will measure
Good formaldehyde adsorbent pours into carrying apparatus, the behaviour that the gloves on gloves mounting hole are used in cabin under closed environment completely
Make, formaldehyde effusion in cabin can be avoided so that influence test result.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention 1, embodiment 2, embodiment 3 and the formaldehyde absorbing test chamber schematic diagram of embodiment 4；
Fig. 2 is the carrying apparatus schematic diagram of the formaldehyde absorbing test chamber of the embodiment of the present invention 1；
Fig. 3 is the carrying apparatus schematic diagram of the formaldehyde absorbing test chamber of the embodiment of the present invention 2.
Label declaration：
1st, cavity cylinder；2nd, sample stage；3rd, screen cloth；4th, fan；5th, base；6th, loading cup；7th, edge；8th, casing；9th, cabin
Door；10th, gas introducing port；11st, gloves mounting hole；12nd, air-introduced machine；13rd, methylene oxide detecting instrument；14th, humidity regulation hole；15th, loading
Device.
Embodiment
To describe the technology contents of the present invention, the objects and the effects in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：Formaldehyde absorbing test chamber casing is provided with gloves mounting hole, gloves mounting hole court
Chemical defence gloves are installed into casing, chemical defence gloves rim seal is fixed on gloves mounting hole, the chemical defence on gloves mounting hole
Gloves are used for the operation under complete closed environment in cabin, can avoid formaldehyde effusion in cabin so that influence test result.
Fig. 1 to Fig. 3, a kind of formaldehyde absorbing test chamber, including casing 8 are refer to, the side of casing 8 is provided with hatch door 9, gas
Body entrance hole 10 and gloves mounting hole 11, the gloves mounting hole 11 is towards being provided with chemical defence gloves, the chemical defence hand in casing 8
The sealing of set edge 7 is fixed on gloves mounting hole 11.
It was found from foregoing description, the beneficial effects of the present invention are：It is passed through equipped with the formaldehyde measured before formaldehyde gas
The hermetically sealed can of adsorbent is put into cabin, after being passed through formaldehyde into containment housing 8, passes through the chemical defence hand being sealingly disposed on casing 8
Set opens hermetically sealed can, the formaldehyde adsorbent measured is poured into carrying apparatus 15, the chemical defence gloves on gloves mounting hole 11
For the operation under complete closed environment in cabin, formaldehyde effusion in cabin can be avoided so that influence test result.
Including cavity cylinder 1, fan 4 and sample stage further, in addition to the carrying apparatus 15 that is positioned in casing 8,
2, the upper bottom surface opening of cavity cylinder 1, the sample stage 2 is removably mounted in upper bottom surface opening, and the sample stage 2 is set
There is through hole, screen cloth 3 is provided with above the through hole, opening is provided with below the side wall of cavity cylinder 1, the fan 4 is arranged on sky
In chamber cylinder 1, the position of the fan 4 is higher than side wall lower opening, and the air outlet of the fan 4 is gone to the bottom towards cavity cylinder 1
Face.
Seen from the above description, formaldehyde adsorbent is positioned in the screen cloth 3 at the top of cavity cylinder 1 during use, due to sky
Provided with the fan 4 that wind direction is downward in chamber cylinder 1, side wall lower opening strengthens gas circulation, can make formaldehyde adsorbent and formaldehyde gas
Body fully contacts, so as to improve formaldehyde absorbing test result accuracy；Clearing machine air draught is simulated to remove through adsorbent layer
The environment of formaldehyde, the methanal removing effect of adsorbent Dynamic Adsorption under air flow can be more embodied relative to standing adsorption；When
Small-sized air inducing fan 4 in test barrel can also simulate the methanal removing environment of adsorbent Static Adsorption under air flow when closing.
Further, the sample stage 2 includes base 5 and loading cup 6, and the base 5 is lid, and the lid closes
The upper bottom surface opening, the through hole are arranged on the lid, and the loading cup 6 is positioned over above the through hole, the load
The bottom opening of thing cup 6, the screen cloth 3 are arranged in the bottom opening of loading cup 6.
Seen from the above description, loading cup 6 need to only be removed above through hole, you can according to formaldehyde adsorbent granular size
The suitable loading cup 6 of slot size of screen cloth 3 is changed, it is easy to use.
Further, the sample stage 2 is provided with edge 7, and the edge 7 is fixed on the outer wall of cavity cylinder 1.
Seen from the above description, sample stage 2 is only made up of the screen cloth 3 provided with edge 7, and simple in construction, convenient disassembly can root
The suitable screen cloth 3 of slot size is changed according to formaldehyde adsorbent granular size.
Further, the material of the screen cloth 3 is cotton or metal.
Further, in addition to the carrying apparatus 15 that is positioned in casing 8, the carrying apparatus 15 is beaker.
Seen from the above description, it is applied to the situation that formaldehyde adsorbent is liquid using beaker as carrying apparatus 15.
Further, in addition to air-introduced machine 12, the air-introduced machine 12 are arranged on the top of casing 8.
Seen from the above description, air-introduced machine 12 can be opened when test chamber needs and removes formaldehyde zero and take what is remained in cabin away
Formaldehyde.
Further, in addition to methylene oxide detecting instrument 13, the methylene oxide detecting instrument 13 are arranged on the top of casing 8.
Seen from the above description, provided with methylene oxide detecting instrument 13 can in real-time monitored cabin concentration of formaldehyde value change.
Further, in addition to humidity regulation hole 14, the humidity regulation hole 14 are arranged in the side wall of casing 8.
Seen from the above description, the side wall of casing 8 is provided with humidity regulation hole 14 for initial humidity in adjusting cabin, flat to ensure
Experimental condition is identical in row experiment.
Further, the material of the chemical defence gloves is natural emulsion.
Further, the material of the casing 8 is glass.
Seen from the above description, situation about can intuitively be seen in casing 8 outside casing 8 using glass material casing 8,
Convenient operation.
Referring to Fig.1 and 2, embodiments of the invention 1 are：A kind of formaldehyde absorbing test chamber, including casing 8, the case
The side of body 8 is provided with hatch door 9, gas introducing port 10 and gloves mounting hole 11, and the gloves mounting hole 11 is towards being provided with casing 8
Chemical defence gloves, the sealing of chemical defence gloves edge 7 are fixed on gloves mounting hole 11.Also include the loading being positioned in casing 8
Device 15, including cavity cylinder 1, fan 4 and sample stage 2, the upper bottom surface opening of cavity cylinder 1, the sample stage 2 are detachable
Ground is arranged in upper bottom surface opening, and the sample stage 2 is provided with through hole, and screen cloth 3, the cavity cylinder 1 are provided with above the through hole
Opening is provided with below side wall, the fan 4 is arranged in cavity cylinder 1, and the position of the fan 4 is higher than side wall lower opening,
The air outlet of the fan 4 is towards the bottom surface of cavity cylinder 1.The sample stage 2 includes base 5 and loading cup 6, the base 5
For lid, the lid closes the upper bottom surface opening, and the through hole is arranged on the lid, and the loading cup 6 is placed
Above the through hole, the bottom opening of loading cup 6, the screen cloth 3 is arranged in the bottom opening of loading cup 6.It is described
The material of screen cloth 3 is cotton or metal.Also include air-introduced machine 12, the air-introduced machine 12 is arranged on the top of casing 8.Also include formaldehyde to examine
Instrument 13 is surveyed, the methylene oxide detecting instrument 13 is arranged on the top of casing 8.Also include humidity regulation hole 14, the humidity regulation hole 14 is set
Put in the side wall of casing 8.The material of the chemical defence gloves is natural emulsion.The material of the casing 8 is glass.
Fig. 1 and Fig. 3 are refer to, embodiments of the invention 2 are：A kind of formaldehyde absorbing test chamber, including casing 8, the case
The side of body 8 is provided with hatch door 9, gas introducing port 10 and gloves mounting hole 11, and the gloves mounting hole 11 is towards being provided with casing 8
Chemical defence gloves, the sealing of chemical defence gloves edge 7 are fixed on gloves mounting hole 11.Also include the loading being positioned in casing 8
Device 15, including cavity cylinder 1, fan 4 and sample stage 2, the upper bottom surface opening of cavity cylinder 1, the sample stage 2 are detachable
Ground is arranged in upper bottom surface opening, and the sample stage 2 is provided with through hole, and screen cloth 3, the cavity cylinder 1 are provided with above the through hole
Opening is provided with below side wall, the fan 4 is arranged in cavity cylinder 1, and the position of the fan 4 is higher than side wall lower opening,
The air outlet of the fan 4 is towards the bottom surface of cavity cylinder 1.The sample stage 2 is provided with edge 7, and the edge 7 is fixed on cavity
The outer wall of cylinder 1.The material of the screen cloth 3 is cotton or metal.Also include air-introduced machine 12, the air-introduced machine 12 pushes up installed in casing 8
Portion.Also include methylene oxide detecting instrument 13, the methylene oxide detecting instrument 13 is arranged on the top of casing 8.Also include humidity regulation hole 14, it is described
Humidity regulation hole 14 is arranged in the side wall of casing 8.The material of the chemical defence gloves is natural emulsion.The material of the casing 8 is
Glass.
Fig. 1 is refer to, embodiments of the invention 3 are：A kind of formaldehyde absorbing test chamber, including casing 8, the side of casing 8
Face is provided with hatch door 9, gas introducing port 10 and gloves mounting hole 11, and the gloves mounting hole 11 is towards being provided with chemical defence in casing 8
Gloves, the sealing of chemical defence gloves edge 7 are fixed on gloves mounting hole 11.Also include the carrying apparatus being positioned in casing 8
15, the carrying apparatus 15 is beaker.Also include air-introduced machine 12, the air-introduced machine 12 is arranged on the top of casing 8.Also include formaldehyde
Detector 13, the methylene oxide detecting instrument 13 are arranged on the top of casing 8.Also include humidity regulation hole 14, the humidity regulation hole 14
It is arranged in the side wall of casing 8.The material of the chemical defence gloves is natural emulsion.The material of the casing 8 is glass.
Fig. 1 is refer to, embodiments of the invention 4 are：The method that formaldehyde absorbing test chamber carries out formaldehyde absorbing test：
(1) hatch door 9 is opened, the hermetically sealed can in advance equipped with the adsorbent measured is put into cabin；
(2) under constant temperature, hatch door 9 is closed, air-introduced machine 12 is opened, makes air circulation in cabin, while lead by gas
Enter the certain density formaldehyde of the injection of hole 10, observe methylene oxide detecting instrument 13, gas introducing port 10 can be closed when reaching required concentration
Valve, while observable hygrometer observation humidity, humidity can be adjusted by humidity regulation hole 14 and is allowed to keep one with initial humidity
Cause；
(3) blank cycle 8-10 hours, formaldehyde in cabin is made to reach Dynamic Adsorption balance, the concentration value of methylene oxide detecting instrument 13 is constant
；
(4) after concentration of formaldehyde value is constant, initial concentration of formaldehyde is recorded, built-in function is carried out by chemical defence gloves, opens
Hermetically sealed can pours into the formaldehyde adsorbent measured in screen cloth 3；
(5) equilibrium adsorption records final concentration of formaldehyde, or can observe methanal removing by recorder after 8 hours
Versus time curve judges the dynamic saturation adsorptive value of formaldehyde adsorbent；
(6) dynamic adsorption capacity of adsorbent PARA FORMALDEHYDE PRILLS(91,95) is calculated by concentration difference before and after formaldehyde；
(7) blance test 3 times, try to achieve average value.
In summary, formaldehyde absorbing test chamber beneficial effect provided by the invention is：It will be equipped with before being passed through formaldehyde gas
The hermetically sealed can of the formaldehyde adsorbent measured is put into cabin, after being passed through formaldehyde into containment housing, by being sealingly disposed in casing
On chemical defence gloves open hermetically sealed can, the formaldehyde adsorbent measured is poured into carrying apparatus, it is anti-on gloves mounting hole
Change gloves for the operation under complete closed environment in cabin, formaldehyde effusion in cabin can be avoided so that influence test result；Loading fills
Clearing machine air draught can be simulated through the environment of adsorbent layer removing formaldehyde provided with fan in putting, and more can relative to standing adsorption
Embody the methanal removing effect of adsorbent Dynamic Adsorption under air flow；Also may be used when the small-sized air inducing in test barrel, which is fanned, closes
Simulate the methanal removing environment of adsorbent Static Adsorption under air flow.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (5)
- A kind of 1. formaldehyde absorbing test chamber, it is characterised in that：Including casing, the body side is provided with hatch door, gas introducing port With gloves mounting hole, the gloves mounting hole towards chemical defence gloves are provided with casing, fix by the chemical defence gloves rim seal On gloves mounting hole；Also include the hermetically sealed being positioned in casing, formaldehyde adsorbent is filled in the hermetically sealed can；Also include the carrying apparatus being positioned in casing, the carrying apparatus includes cavity cylinder, fan and sample stage, the sky Chamber cylinder upper bottom surface opening, the sample stage are removably mounted in upper bottom surface opening, and the sample stage is provided with through hole, described Screen cloth is provided with above through hole, opening is provided with below the cavity column side wall, the fan is arranged in cavity cylinder, the wind The position of fan is higher than side wall lower opening, and the air outlet of the fan is towards cavity cylinder bottom surface；Also include air-introduced machine, the air-introduced machine is arranged on casing top；Also include methylene oxide detecting instrument, the methylene oxide detecting instrument is arranged on casing top；Also include humidity regulation hole, the humidity regulation hole is arranged on wall box.
- 2. formaldehyde absorbing test chamber according to claim 1, it is characterised in that：The sample stage includes base and loading Cup, the base is lid, and the lid closes the upper bottom surface opening, and the through hole is arranged on the lid, described Loading cup is positioned over above the through hole, and the loading cup bottom opening, the screen cloth is arranged at the loading cup bottom opening It is interior.
- 3. formaldehyde absorbing test chamber according to claim 1, it is characterised in that：The sample stage is provided with edge, the side Edge is fixed on cavity cylinder outer wall.
- 4. formaldehyde absorbing test chamber according to claim 1, it is characterised in that：The material of the chemical defence gloves is genuine milk Glue.
- 5. formaldehyde absorbing test chamber according to claim 1, it is characterised in that：The material of the casing is glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543626.6A CN106248871B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test chamber |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079613.3A CN104614496B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test cabin |
| CN201610543626.6A CN106248871B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test chamber |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510079613.3A Division CN104614496B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test cabin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106248871A CN106248871A (en) | 2016-12-21 |
| CN106248871B true CN106248871B (en) | 2018-02-16 |
Family
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545173.0A Active CN106226468B (en) | 2015-02-13 | 2015-02-13 | A kind of adsorbent test device |
| CN201510079613.3A Active CN104614496B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test cabin |
| CN201610543626.6A Active CN106248871B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test chamber |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545173.0A Active CN106226468B (en) | 2015-02-13 | 2015-02-13 | A kind of adsorbent test device |
| CN201510079613.3A Active CN104614496B (en) | 2015-02-13 | 2015-02-13 | A kind of formaldehyde absorbing test cabin |
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| CN (3) | CN106226468B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226468B (en) * | 2015-02-13 | 2018-06-19 | 福建省鑫森炭业股份有限公司 | A kind of adsorbent test device |
| CN105278568B (en) * | 2015-11-11 | 2018-03-02 | 友好净控科技（浙江）有限公司 | A kind of hysteresis quality concentration of formaldehyde autocontrol method |
| CN107561221A (en) * | 2017-09-02 | 2018-01-09 | 广州澳企实验室技术股份有限公司 | One kind detection cabin |
| CN211318349U (en) * | 2019-10-09 | 2020-08-21 | 苏州市吴江东南建筑检测有限公司 | Environmental seal cabin test system |
| CN112178865B (en) * | 2020-08-17 | 2022-04-01 | 珠海格力电器股份有限公司 | Air conditioner pollutant detection method, purification method, control method and air conditioner |
| CN112014264A (en) * | 2020-08-21 | 2020-12-01 | 华侨大学 | Device for gas component adsorption and desorption test |
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| US7531365B2 (en) * | 2004-01-08 | 2009-05-12 | International Flavors & Fragrances Inc. | Analysis of the headspace proximate a substrate surface containing fragrance-containing microcapsules |
| CN201135847Y (en) * | 2007-12-14 | 2008-10-22 | 白珺仁 | Formaldehyde adsorption formaldehyde removing device |
| US7827855B2 (en) * | 2008-07-01 | 2010-11-09 | Praxair Technology, Inc. | Method and kit for adsorbent performance evaluation |
| CN201397323Y (en) * | 2009-03-31 | 2010-02-03 | 华东理工大学 | Testing device for evaluating absorbing effect of formaldehyde absorbent |
| CN101644666B (en) * | 2009-09-04 | 2011-01-12 | 清华大学 | Experimental device for measuring formaldehyde adsorption property of adsorbent and measuring method thereof |
| DE102009059824A1 (en) * | 2009-12-21 | 2011-06-22 | Inficon GmbH, 50968 | Method and device for determining the leak |
| CN101852691B (en) * | 2010-04-30 | 2013-07-24 | 清华大学 | Passive adsorbing and sampling device for detecting concentration of volatile contaminant in indoor air |
| CN202044961U (en) * | 2011-04-11 | 2011-11-23 | 济宁医学院 | Gas purification glove box for chemical experiment |
| CN202066840U (en) * | 2011-04-26 | 2011-12-07 | 广东工业大学 | Active carboncoal absorbent absorption performance test device |
| CN202119741U (en) * | 2011-06-15 | 2012-01-18 | 中国科学院广州能源研究所 | Adsorbent performance testing device |
| CN103760153A (en) * | 2011-10-20 | 2014-04-30 | 杨晓莉 | Method for fast detecting formaldehyde content of foods, furniture and home decoration |
| CN202735311U (en) * | 2012-06-04 | 2013-02-13 | 辽宁石油化工大学 | Test device for determining formaldehyde adsorption and degradation property |
| CN203053950U (en) * | 2013-01-24 | 2013-07-10 | 昆明理工大学 | Estimating device of heavy metal ion absorbents in exhaust gas |
| CN103675125B (en) * | 2013-11-27 | 2015-04-15 | 江苏省环境监测中心 | Test device for sampling efficiency of volatile organic compounds in air |
| CN203909001U (en) * | 2014-04-08 | 2014-10-29 | 辽宁石油化工大学 | Experimental facility used for measuring formaldehyde adsorption capacity of material in indoor environment and provided with LED lamp |
| CN203909016U (en) * | 2014-05-16 | 2014-10-29 | 湖南文象炭基环保材料股份有限公司 | Device for detecting effects of materials for absorption removal of formaldehyde gas |
| CN204514888U (en) * | 2015-02-13 | 2015-07-29 | 福建省鑫森炭业股份有限公司 | A kind of formaldehyde absorbing test chamber |
| CN106226468B (en) * | 2015-02-13 | 2018-06-19 | 福建省鑫森炭业股份有限公司 | A kind of adsorbent test device |
-
2015
- 2015-02-13 CN CN201610545173.0A patent/CN106226468B/en active Active
- 2015-02-13 CN CN201510079613.3A patent/CN104614496B/en active Active
- 2015-02-13 CN CN201610543626.6A patent/CN106248871B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104614496B (en) | 2016-06-15 |
| CN106248871A (en) | 2016-12-21 |
| CN106226468B (en) | 2018-06-19 |
| CN106226468A (en) | 2016-12-14 |
| CN104614496A (en) | 2015-05-13 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Formaldehyde adsorption test cabin Effective date of registration: 20180817 Granted publication date: 20180216 Pledgee: Industrial Commercial Bank of China Ltd Shaowu branch Pledgor: Fujian Xinsen Carbon Co., Ltd. Registration number: 2018350000077 |
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