CN106902707B - VOC, formaldehyde evaporate and charge chamber with higher speed - Google Patents
VOC, formaldehyde evaporate and charge chamber with higher speed Download PDFInfo
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- CN106902707B CN106902707B CN201710223256.2A CN201710223256A CN106902707B CN 106902707 B CN106902707 B CN 106902707B CN 201710223256 A CN201710223256 A CN 201710223256A CN 106902707 B CN106902707 B CN 106902707B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/02—Feed or outlet devices therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention discloses a VOC and formaldehyde accelerated evaporation and feeding chamber which comprises an evaporation chamber, a rapid air inlet device and/or a slow air inlet device, a controller, a pressure sensor for detecting the pressure in the evaporation chamber, at least one group of vacuum devices for vacuumizing the evaporation chamber and at least one group of feeding devices for adding liquid substances and/or gaseous substances to products, wherein the pressure sensor, the vacuum device, the rapid air inlet device and/or the slow air inlet device are respectively connected with the evaporation chamber, the controller is respectively in communication connection with the pressure sensor, the vacuum device, the feeding devices, the rapid air inlet device and/or the slow air inlet device, and the feeding devices are directly connected with the evaporation chamber or connected with the air inlet end of the rapid air inlet device or the air inlet end of the slow air inlet device. The invention can well treat VOC and formaldehyde contained in the product, and can add some characteristic substances into the product after the vacuum pumping is finished so as to improve the quality of the product.
Description
Technical Field
The invention relates to VOC and formaldehyde treatment and product feeding equipment, in particular to a VOC and formaldehyde accelerated evaporation and feeding chamber.
Background
Along with the continuous improvement of the living standard of people, the requirements of people on the product quality are also greatly improved, and particularly, the indexes of VOC and formaldehyde in the product must be limited in a reasonable range so as to ensure that the human body is not damaged by toxic substances such as formaldehyde and the like. For example, products such as plastic parts, textiles and the like contain toxic substances such as VOC, formaldehyde and the like, and in order to guarantee the health of people, the VOC and the formaldehyde contained in the products such as the plastic parts, the textiles and the like need to be treated, so that qualified products are obtained.
Although the existing VOC and formaldehyde treatment equipment can well treat VOC and formaldehyde contained in the product, in the process of treating the VOC and the formaldehyde contained in the product, the existing VOC and formaldehyde treatment equipment can simultaneously extract water in the product, so that the quality of the product is influenced, and meanwhile, the existing VOC and formaldehyde treatment equipment cannot add other substances (such as ammonia gas, ozone, bactericide, perfume and the like) to the product so as to improve the quality of the product.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the VOC and formaldehyde accelerated evaporation and feeding chamber which can better treat VOC and formaldehyde contained in the product and can add some characteristic substances into the product after vacuumizing so as to improve the product quality.
In order to achieve the above purpose, the present invention provides an accelerated evaporation and feeding chamber for VOC and formaldehyde, which comprises an evaporation chamber, a fast air inlet device and/or a slow air inlet device, a controller, a pressure sensor for detecting the pressure in the evaporation chamber, at least one set of vacuum device for evacuating the evaporation chamber, and at least one set of feeding device for adding liquid and/or gaseous substances to a product, wherein the pressure sensor, the vacuum device, the fast air inlet device and/or the slow air inlet device are respectively connected with the evaporation chamber, the controller is respectively in communication connection with the pressure sensor, the vacuum device, the feeding device, the fast air inlet device and/or the slow air inlet device, and the feeding device is directly connected with the evaporation chamber, or the feeding device is connected with the air inlet end of the fast air inlet device or the air inlet end of the slow air inlet device.
Preferably, the feeding device comprises a feeding temporary storage and a quantitative sample feeding device in communication connection with the controller, the feeding temporary storage is connected with the evaporation chamber through a pipeline, the quantitative sample feeding device is connected with the feeding temporary storage through a pipeline, a front valve of the feeding temporary storage is connected to the pipeline between the feeding temporary storage and the evaporation chamber, and a rear valve of the feeding temporary storage is connected to the pipeline between the quantitative sample feeding device and the feeding temporary storage.
Preferably, a heating device for controlling temperature is installed inside the charging temporary storage.
Preferably, the vacuum device comprises a check valve and a variable-frequency control vacuum pump, the check valve and the vacuum pump are connected to an exhaust pipeline of the evaporation chamber, the check valve is located at the air inlet end of the vacuum pump or at the air outlet end of the vacuum pump, and the vacuum pump is in communication connection with the controller.
Preferably, the evaporation chamber is further connected with an exhaust fan through a pipeline, an exhaust fan valve is connected to the pipeline between the exhaust fan and the evaporation chamber, the air outlet end of the exhaust fan is connected with a purification treatment device used for purifying gas exhausted from the evaporation chamber, and the purification treatment device is activated carbon, an oxidant for removing formaldehyde or a water tank.
Preferably, the exhaust pipe of the evaporation chamber is further provided with a VOC and formaldehyde recovery device located at the air outlet end of the vacuum device and/or a purification treatment device for purifying the gas exhausted from the evaporation chamber, the VOC and formaldehyde recovery device comprises a box body and a refrigerating device arranged in the box body, the refrigerating device mainly comprises a compressor, a condenser and an evaporator arranged in the formaldehyde recovery device, the bottom of the box body is provided with a drainage control valve for controlling the recovered liquid, and the purification treatment device is activated carbon, an oxidant for removing formaldehyde or a water tank.
Preferably, a circulating fan, a heater and/or a temperature sensor are/is arranged in the evaporation chamber, the heater is an electric heater arranged in the evaporation chamber or a heating lamp arranged outside the evaporation chamber, and light emitted by the heating lamp is projected through glass on the evaporation chamber to heat the evaporation chamber so as to heat the product.
Preferably, the evaporation chamber and/or the vacuum line of the vacuum device is equipped with a detector for detecting formaldehyde and/or VOCs.
Preferably, the quick air inlet device is composed of a quick air inlet pipeline and a first vacuum valve connected to the quick air inlet pipeline, one end of the quick air inlet pipeline is connected with the evaporation chamber, and the first vacuum valve is in communication connection with the controller.
Preferably, the slow air inlet device is composed of a slow air inlet pipeline and a second vacuum valve connected to the slow air inlet pipeline, one end of the slow air inlet pipeline is connected with the evaporation chamber, and the second vacuum valve is in communication connection with the controller.
Preferably, the fast air inlet, the slow air inlet and/or the pressure relief opening of the evaporation chamber are/is provided with a filtering device, and the filtering device is activated carbon, an oxidant for removing formaldehyde and/or a dust filter.
Preferably, a high-pressure air inlet device is arranged at a fast air inlet, a slow air inlet, a pressure relief opening, a feeding opening of the evaporation chamber and/or an air inlet independently arranged on the evaporation chamber.
Preferably, the evaporation chamber is provided with a front sealing door and/or a rear sealing door, and the front sealing door and the rear sealing door are of manual, electric or pneumatic structures respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by constructing the quick air inlet device and/or the slow air inlet device which are connected with the evaporation chamber, the pressure sensor for detecting the pressure in the evaporation chamber, the vacuum device for vacuumizing the evaporation chamber and the feeding device for adding liquid substances and/or gaseous substances to the product, VOC and formaldehyde contained in the product can be well treated, and some characteristic substances can be added to the product after vacuumizing is completed, so that the quality of the product is improved.
2. The quick air inlet device and/or the slow air inlet device can control the air inlet speed of the evaporation chamber according to the performance of a product, and the product in the evaporation chamber is prevented from being damaged due to the large fluctuation of the pressure in the evaporation chamber.
Drawings
FIG. 1 is a schematic view of the structure of a VOC and formaldehyde evaporation accelerating and feeding chamber provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides an evaporation chamber for accelerating evaporation of VOC and formaldehyde and a charging chamber, including an evaporation chamber 1, a fast air inlet device 2, a slow air inlet device 3, a controller 4, a pressure sensor 5 for detecting a pressure in the evaporation chamber 1, at least one set of vacuum device 6 for evacuating the evaporation chamber 1, and at least one set of charging device 8 for adding a liquid substance and/or a gaseous substance to a product, wherein the pressure sensor 5, the vacuum device 6, the fast air inlet device 2, and the slow air inlet device 3 are respectively connected to the evaporation chamber 1, the controller 4 is respectively connected to the pressure sensor 5, the vacuum device 6, the charging device 8, the fast air inlet device 2, and the slow air inlet device 3 in a communication manner, and the charging device 8 is directly connected to the evaporation chamber 1.
It should be noted that, in another embodiment, the VOC and formaldehyde accelerated evaporation and charging chamber may be provided with only the fast air inlet 2 or only the slow air inlet 3. In addition, the charging device 8 can also be connected to the air inlet end of the quick air inlet device 2 or the air inlet end of the slow air inlet device 3, so that the quick air inlet device 2 or the slow air inlet device 3 is indirectly connected with the evaporation chamber 1.
The respective constituent elements of the present embodiment will be described in detail below with reference to the accompanying drawings.
The evaporation chamber 1 is provided with a front sealing door 10 and/or a rear sealing door 11, and the front sealing door 10 and the rear sealing door 11 are of manual, electric or pneumatic structures respectively.
The evaporation chamber 1 is internally provided with a detector for detecting formaldehyde and/or VOC, a circulating fan 9 and a heater 12, the heater 12 is an electric heater arranged in the evaporation chamber or a heating lamp arranged outside the evaporation chamber, and light emitted by the heating lamp is projected through glass on the evaporation chamber to heat the product in the evaporation chamber. The evaporation chamber 1 may be provided with a temperature sensor. In another embodiment, the detector may also be arranged on the vacuum line of the vacuum device 6.
Specifically, the quick air inlet device 2 may be composed of a quick air inlet pipeline 21 and a first vacuum valve 22 connected to the quick air inlet pipeline 21, one end of the quick air inlet pipeline 21 is connected to the quick air inlet of the evaporation chamber 1, and the first vacuum valve 22 is in communication connection with the controller 4. The slow air inlet device 3 may be composed of a slow air inlet pipeline 31 and a second vacuum valve 32 connected to the slow air inlet pipeline 31, one end of the slow air inlet pipeline 31 is connected to the slow air inlet of the evaporation chamber 1, and the second vacuum valve 32 is in communication connection with the controller 4. Wherein, quick air inlet unit 2 and/or slow air inlet unit 3 can come to control the air intake speed of evaporating chamber according to the performance of product, avoid evaporating chamber pressure fluctuation by a wide margin and cause the product damage in the evaporating chamber.
Specifically, the vacuum device 6 includes a check valve 61 and a vacuum pump 62 communicatively connected to the controller 4, the check valve 61 and the vacuum pump 62 are connected to the exhaust line of the evaporation chamber 1, and the check valve 61 may be located at the air inlet end of the vacuum pump 62 or at the air outlet end of the vacuum pump 62. The controller 4 may acquire the internal pressure of the evaporation chamber acquired by the pressure sensor 5, and then control the operation of one or more sets of vacuum pumps through a frequency converter or a switch, thereby controlling the internal pressure of the evaporation chamber 1.
As a better implementation mode, the exhaust pipeline of the evaporation chamber 1 can also be provided with a VOC and formaldehyde recovery device 7 positioned at the air outlet end of the vacuum device 6, the VOC and formaldehyde recovery device 7 comprises a box body 71 and a refrigerating device 72 arranged in the box body 71, the refrigerating device 72 mainly comprises a compressor, a condenser and an evaporator arranged in the formaldehyde recovery device 7, the bottom of the box body 71 is provided with a drainage control valve 73 for controlling the recovery liquid, and the VOC and formaldehyde in the gas exhausted from the evaporation chamber 1 can be condensed into liquid state by the VOC and formaldehyde recovery device 7 for recycling, thereby changing waste into valuable.
As another preferred embodiment, the exhaust pipeline of the evaporation chamber 1 may further be provided with a purification treatment device 13, and the purification treatment device 13 may be separately installed at the air outlet end of the vacuum device 6, or may be combined with the VOC and formaldehyde recovery device 7 and installed at the air outlet end of the VOC and formaldehyde recovery device 7. The purification treatment device 13 can purify the gas discharged from the evaporation chamber 1. In specific implementation, the purification treatment device 13 may be preferably provided as activated carbon, an oxidizing agent for removing formaldehyde, or a water tank.
Specifically, the feeding device 8 may include a feeding temporary storage device 80 and a quantitative sample feeding device 81 in communication connection with the controller 4, the feeding temporary storage device 80 is connected to the feeding port of the evaporation chamber 1 through a pipe, the quantitative sample feeding device 81 is connected to the feeding temporary storage device 80 through a pipe, a front feeding temporary storage device valve 82 is connected to the pipe between the feeding temporary storage device 80 and the evaporation chamber 1, and a rear feeding temporary storage device valve 83 is connected to the pipe between the quantitative sample feeding device 81 and the feeding temporary storage device 80.
Preferably, the charging temporary storage 80 may be provided with a heating device for controlling the temperature, so that the temperature of the charged material can be consistent with the temperature in the evaporation chamber 1 without affecting the evaporation chamber 1.
In addition, the evaporation chamber 1 can be connected with an exhaust fan 14 through a pipeline, and an exhaust fan valve 15 is connected on the pipeline between the exhaust fan 14 and the evaporation chamber 1. Preferably, a purification treatment device 13 for purifying the gas exhausted from the evaporation chamber 1 may be connected to the outlet end of the exhaust fan 14, and the purification treatment device 13 may be preferably configured as activated carbon, an oxidizing agent for removing formaldehyde, or a water tank.
In another embodiment, the evaporation chamber 1 may be provided with a filter device at the fast inlet, the slow inlet and/or the pressure relief, which may preferably be arranged as activated carbon, formaldehyde removing oxidant and/or dust filtration.
In another embodiment, the fast air inlet, the slow air inlet, the pressure relief opening, the feed opening of the evaporation chamber 1 and/or the independently arranged air inlet of the evaporation chamber 1 may also be provided with a high pressure air inlet device, which may preferably be configured as compressed air or canned gas, which pressurizes the product with high pressure.
The working principle of the invention is as follows:
the front sealing door 10 or the rear sealing door 11 of the evaporation chamber 1 is opened, a product to be subjected to VOC and formaldehyde removal is placed in the evaporation chamber 1, the front sealing door 10 and the rear sealing door 11 are closed, the first vacuum valve 22 and the second vacuum valve 32 are closed, the vacuum pump 62 is started for vacuumizing, gas discharged from the vacuum pump 62 can be recycled through the VOC and formaldehyde recovery device 7, and the gas treated by the VOC and formaldehyde recovery device 7 can be further treated through the purification treatment device 13.
When the products put into the evaporation chamber 1 are textile products and the like which are easy to absorb air, the first vacuum valve 22 of the quick air inlet device 2 is opened, after the pressure in the evaporation chamber 1 is balanced, the front sealing door 10 or the rear sealing door 11 is opened, and the products with VOC and formaldehyde removed are taken out; when the product put into the evaporation chamber 1 is a plastic part or other product which is not easy to absorb air, the second vacuum valve 32 of the slow air inlet device 3 is opened, and after the pressure in the evaporation chamber 1 is balanced, the front sealing door 10 or the rear sealing door 11 is opened, and the product with the VOC and the formaldehyde removed is taken out.
In order to improve the treatment speed of harmful substances in the product, the heater can be started to heat the product, and the release of the harmful substances in the product is accelerated.
The charging treatment process comprises the following steps: the front valve 82 of the feeding temporary storage is closed, the rear valve 83 of the feeding temporary storage is opened, the quantitative sample feeding device 81 feeds a certain amount of liquid and/or gaseous substances (such as water, ammonia gas, ozone, bactericide, spice and the like) into the feeding temporary storage 80, the controller 4 can control the amount of the fed substances according to the setting, then the rear valve 83 of the feeding temporary storage is closed, and the evaporation chamber 1 is vacuumized under the condition that all the valves are closed. After the vacuum operation is completed, the front valve 82 of the charging temporary storage is opened, and the added substance enters the evaporation chamber 1 to evaporate, because the pressure inside the product is low, and the gaseous substance or the gaseous substance formed by the rapid evaporation of the liquid substance in the vacuum environment can permeate into the product. Then the evaporation chamber 1 releases the pressure again, and the residual substances in the evaporation chamber 1 can be discharged through an exhaust fan, thereby completing the whole feeding process.
In conclusion, the invention can better treat VOC and formaldehyde contained in the product, and can add some characteristic substances into the product after the vacuum pumping is finished so as to improve the quality of the product.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (7)
1. The VOC and formaldehyde accelerated evaporation and feeding chamber comprises an evaporation chamber (1), and is characterized by further comprising a quick air inlet device (2), a slow air inlet device (3), a controller (4), a pressure sensor (5) for detecting the pressure in the evaporation chamber (1), at least one group of vacuum devices (6) for vacuumizing the evaporation chamber (1), and at least one group of feeding devices (8) for adding liquid and gaseous substances to products, wherein the pressure sensor (5), the vacuum device (6), the quick air inlet device (2) and the slow air inlet device (3) are respectively connected with the evaporation chamber (1), the controller (4) is respectively in communication connection with the pressure sensor (5), the vacuum device (6), the feeding device (8), the quick air inlet device (2) and the slow air inlet device (3), the feeding device (8) is directly connected with the evaporation chamber (1), or the feeding device (8) is connected with the air inlet end of the quick air inlet device (2) or the air inlet end of the slow air inlet device (3);
the feeding device (8) comprises a feeding temporary storage device (80) and a quantitative sample feeding device (81) in communication connection with the controller (4), the feeding temporary storage device (80) is connected with the evaporation chamber (1) through a pipeline, the quantitative sample feeding device (81) is connected with the feeding temporary storage device (80) through a pipeline, a front feeding temporary storage device valve (82) is connected to the pipeline between the feeding temporary storage device (80) and the evaporation chamber (1), and a rear feeding temporary storage device valve (83) is connected to the pipeline between the quantitative sample feeding device (81) and the feeding temporary storage device (80);
the charging temporary storage (80) is internally provided with a heating device for controlling temperature;
the exhaust pipe of evaporating chamber (1) still installs VOC, formaldehyde recovery unit (7) that are located vacuum device (6) the end of giving vent to anger on the road and is used for carrying out purification treatment's purification unit (13) to the gas of following evaporating chamber (1) exhaust, VOC, formaldehyde recovery unit (7) include box (71) and install refrigerating plant (72) in box (71), refrigerating plant (72) mainly comprise compressor, condenser and the evaporimeter of installing in formaldehyde recovery unit (7), drainage control valve (73) that are used for controlling the recovery liquid are installed to the bottom of box (71).
2. A VOC, formaldehyde accelerated evaporation and charging chamber according to claim 1, wherein: vacuum apparatus (6) include check valve (61) and frequency conversion control's vacuum pump (62), check valve (61) and vacuum pump (62) are connected on the exhaust pipeline of evaporating chamber (1), check valve (61) are located the inlet end of vacuum pump (62) or are located the end of giving vent to anger of vacuum pump (62), vacuum pump (62) are connected with controller (4) communication.
3. A VOC, formaldehyde accelerated evaporation and charging chamber according to claim 1, wherein: evaporating chamber (1) still has exhaust fan (14) through the pipe connection, be connected with exhaust fan valve (15) on the pipeline between exhaust fan (14) and evaporating chamber (1), the gas outlet end of exhaust fan (14) is connected with and is used for carrying out purification treatment's purification unit (13) to the gas of following evaporating chamber (1) combustion gas.
4. The evaporation accelerating and charging chamber for VOC and formaldehyde as claimed in claim 1, wherein said evaporation chamber (1) is equipped with a circulating fan (9), a heater (12) and/or a temperature sensor, said heater (12) is an electric heater installed inside the evaporation chamber or a heating lamp installed outside the evaporation chamber, said heating lamp emits light to heat the product inside the evaporation chamber by projecting the light through the glass on the evaporation chamber.
5. An accelerated evaporation and charging chamber for VOC and formaldehyde in accordance with claim 1, characterized in that the vacuum pipe of the vacuum device (6) in the evaporation chamber (1) is equipped with a detector for detecting formaldehyde and/or VOC.
6. The VOC and formaldehyde accelerated evaporation and feeding chamber as claimed in claim 1, wherein said rapid air inlet device (2) is composed of a rapid air inlet pipeline (21) and a first vacuum valve (22) connected to the rapid air inlet pipeline (21), one end of the rapid air inlet pipeline (21) is connected to the evaporation chamber (1), and said first vacuum valve (22) is connected to the controller (4) in communication; the slow air inlet device (3) is composed of a slow air inlet pipeline (31) and a second vacuum valve (32) connected to the slow air inlet pipeline (31), one end of the slow air inlet pipeline (31) is connected with the evaporation chamber (1), and the second vacuum valve (32) is in communication connection with the controller (4).
7. The VOC, formaldehyde accelerated evaporation and feeding chamber as claimed in claim 1, wherein the fast air inlet, the slow air inlet and the pressure relief port of the evaporation chamber (1) are provided with filtering devices, and the fast air inlet, the slow air inlet, the pressure relief port, the feeding port and the air inlet independently arranged on the evaporation chamber (1) are provided with high pressure air inlet devices.
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| CN201710223256.2A CN106902707B (en) | 2017-04-07 | 2017-04-07 | VOC, formaldehyde evaporate and charge chamber with higher speed |
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| CN201710223256.2A CN106902707B (en) | 2017-04-07 | 2017-04-07 | VOC, formaldehyde evaporate and charge chamber with higher speed |
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| CN109966846A (en) * | 2019-04-15 | 2019-07-05 | 东莞市升微机电设备科技有限公司 | A kind of VOC, formaldehyde, free gaseous state object and/or hydrocarbon accelerate vaporization chamber |
Citations (1)
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| CN103412097B (en) * | 2013-08-30 | 2016-01-13 | 昆山市创新科技检测仪器有限公司 | The pick-up unit of a kind of VOC and burst size of methanal and detection method thereof |
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| DE102004041846B4 (en) * | 2004-04-27 | 2007-08-02 | Von Ardenne Anlagentechnik Gmbh | Evaporation device and method for evaporating coating material |
| CN102008829B (en) * | 2010-09-30 | 2012-09-05 | 温州市天龙轻工设备有限公司 | Multi-effect vacuum forced circulation evaporation device and material concentrating method thereof |
| CN101995452B (en) * | 2010-10-25 | 2013-07-10 | 东莞市升微机电设备科技有限公司 | Test chamber for rapidly detecting release amount of formaldehyde in artificial board and product |
| JP5925852B2 (en) * | 2014-09-09 | 2016-05-25 | アネスト岩田株式会社 | Vacuum evaporation type VOC recovery apparatus and method |
| CN205164167U (en) * | 2015-10-15 | 2016-04-20 | 安徽汇佳生物科技有限公司 | Evaporimeter circulation system of repacking |
| CN105510368A (en) * | 2015-12-02 | 2016-04-20 | 北京金自天正智能控制股份有限公司 | Vacuum degree control system, control method and X-ray fluorescence spectrograph |
| CN205269498U (en) * | 2015-12-31 | 2016-06-01 | 北京鸿远通达科技有限公司 | A gaseous pollutant generator for air purifier detects |
| CN206688656U (en) * | 2017-04-07 | 2017-12-01 | 东莞市升微机电设备科技有限公司 | A kind of VOC, formaldehyde accelerate evaporation and feed compartment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103412097B (en) * | 2013-08-30 | 2016-01-13 | 昆山市创新科技检测仪器有限公司 | The pick-up unit of a kind of VOC and burst size of methanal and detection method thereof |
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