CN214019266U - Organic solvent evaporation recovery device for testing total migration volume of food contact material - Google Patents
Organic solvent evaporation recovery device for testing total migration volume of food contact material Download PDFInfo
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- CN214019266U CN214019266U CN202022024987.4U CN202022024987U CN214019266U CN 214019266 U CN214019266 U CN 214019266U CN 202022024987 U CN202022024987 U CN 202022024987U CN 214019266 U CN214019266 U CN 214019266U
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Abstract
The utility model relates to a food contact material total migration volume test organic solvent evaporation recovery unit, including generating device, transmission device and recovery unit, generating device includes heating module and evaporating dish, a plurality of standing groove has evenly been seted up on heating module's surface, every the evaporating dish has all been placed to the inside of standing groove, heating module with transmission device fixed connection, transmission device keeps away from heating module's one end with recovery unit is connected, heating module with pass through between the recovery unit transmission device is linked together to sealed setting. The utility model discloses have and can reach the purpose of retrieving organic solvent when satisfying total migration volume test requirement, both reduced the detection cost, can reduce environmental pollution again, have very high social and economic value's effect.
Description
Technical Field
The utility model belongs to the technical field of the check out test set technique and specifically relates to a food contact material total migration volume test organic solvent evaporation recovery unit is related to.
Background
In the series of standards such as the food contact material sanitation standard 4806.7-4806.11 and the like, the total migration amount is detected (for example, 4806.7 and 4806.10 both specify that the total migration amount of corresponding products is less than 10mg/dm2), and in the detection process of the sanitation limit by adopting the detection standard 31604.8, detection is performed after related simulative substances are dried by distillation. When the total migration amount is detected, organic solvents such as isooctane and 95% ethanol are often used as food simulants, and when the organic solvents are used as the food simulants, 200mL of the organic solvents are consumed for detecting a parallel sample, so that a large amount of the solvents are evaporated to the environment. The solvent is evaporated and then dissipated into the environment, so that the environment is polluted, the human health is influenced, the organic solvent is greatly wasted, and the test cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detection organic solvent evaporation recovery unit with retrieve function to the not enough of prior art existence.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the organic solvent evaporation and recovery device comprises a generating device, a transmission device and a recovery device, wherein the generating device comprises a heating module and an evaporation vessel, a plurality of placing grooves are uniformly formed in the surface of the heating module, the evaporation vessel is placed in each placing groove, the heating module is fixedly connected with the transmission device, one end, far away from the heating module, of the transmission device is connected with the recovery device, and the heating module is communicated with the recovery device through the transmission device.
Through adopting above-mentioned technical scheme, after the heating of hot plate, be located the inside organic solvent of evaporating dish and carry out the simulation experiment after, a large amount of solvent evaporation is retrieved through the inside that transmission device carried recovery unit, not only can reuse, can reduce organic solvent to environmental pollution effectively moreover.
The present invention may be further configured in a preferred embodiment as: the transmission device comprises a gas collecting hood and a gas conveying pipe, the gas collecting hood is located above the heating module, one end of the gas conveying pipe is connected with the top of the gas collecting hood, and the other end of the gas conveying pipe is connected with the recovery device.
Through adopting above-mentioned technical scheme, the gas collecting channel can play good sealed effect, avoids the experimentation, and organic solvent reveals, and the gas-supply pipe can in time be carried the organic solvent who collects to recovery unit and is retrieved and recycle.
The present invention may be further configured in a preferred embodiment as: and a negative pressure fan is arranged on one side of the inside of the gas transmission pipe, which is close to the gas collecting hood.
Through adopting above-mentioned technical scheme, under negative-pressure air fan's drive, the inside organic solvent that is located the gas collecting channel can be quick carry to recovery unit's inside.
The present invention may be further configured in a preferred embodiment as: the recovery device comprises a condensation pipe and a collecting bottle, the gas pipe is connected with the side wall of the condensation pipe, and the collecting bottle is arranged below the condensation pipe.
Through adopting above-mentioned technical scheme, under the effect of condenser pipe, the organic solvent that is the gaseous state can liquefy, turns into liquid again to the inside of entering the collecting bottle is collected.
The present invention may be further configured in a preferred embodiment as: the condenser pipe comprises a shell and a heat exchange pipe, wherein an inlet and an outlet are formed in the bottom of the heat exchange pipe, the inlet and the outlet penetrate through the shell and are communicated with the outside, the gas pipe is connected with the shell, and the joint of the gas pipe and the shell is located below the heat exchange pipe.
Through adopting above-mentioned technical scheme, the heat exchange tube is through the import and the export with outside intercommunication to the inside input condensate of condenser pipe, liquefies the inside organic solvent that enters into the condenser pipe, and it is long when being located the gas-supply pipe of heat exchange tube below can improve the contact between organic solvent and the heat exchange tube, fully cools off organic solvent, and work efficiency is higher.
The present invention may be further configured in a preferred embodiment as: the top of the shell is also provided with an exhaust port.
Through adopting above-mentioned technical scheme, the gas vent can in time discharge the waste gas that produces in the cooling process in time, avoids device internal pressure too big, influences the plant use.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the technical scheme that the transmission device is arranged above the generation device and the recovery device is connected with the transmission device is adopted, so that the aim of recovering the organic solvent can be fulfilled while the requirement of a total migration volume test is met, the detection cost is reduced, the environmental pollution can be reduced, and the effect of very high social significance and economic value is achieved;
2. the technical scheme of the transmission device consisting of the gas collecting hood and the gas conveying pipe is adopted, so that the sealing performance is good, and the evaporated organic solvent can be conveniently conveyed to the interior of the recovery device;
3. the technical scheme of the recovery device comprising the condensation pipe and the collection bottle is adopted, so that the purity of the recovered organic solvent can be improved, and the effect of timely discharging the internal impurity gas is achieved.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is a schematic sectional view of fig. 1.
The reference numbers in the drawings are:
1. a generating device; 11. a heating module; 111. a placement groove; 12. an evaporating dish; 13. a support pillar; 2. a transmission device; 21. a gas-collecting hood; 22. a gas delivery pipe; 23. a negative pressure fan; 3. a recovery device; 31. a condenser tube; 311. a housing; 312. a heat exchange pipe; 3121. an inlet; 3122. an outlet; 313. an exhaust port; 32. and (6) collecting the bottle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, for the utility model discloses a food contact material total migration volume test organic solvent evaporation recovery unit, including generating device 1, transmission device 2 and recovery unit 3, transmission device 2 installs in generating device 1's top, and transmission device 2 keeps away from generating device 1's one end and is connected with recovery unit 3. Under the collection of the conveying device 2, the organic solvent evaporated by the generating device 1 is conveyed to the interior of the recovery device 3 for collection, and the organic solvent is recovered, so that the detection cost is reduced, and the pollution to the environment can be reduced.
The generating device 1 comprises a heating module 11 and a plurality of evaporating dishes 12, a plurality of placing grooves 111 for placing the evaporating dishes 12 are uniformly formed in the surface of the heating module 11, the evaporating dishes 12 are placed in the placing grooves 111, the organic solvent is placed in the evaporating dishes 12, and a simulation experiment is performed under the heating of the heating module 11. To facilitate heating the evaporation pan 12, the heating module 11 may be heated by using an electric heating plate or a water bath.
The transmission device 2 comprises a gas collecting hood 21, gas conveying pipes 22 and a negative pressure fan 23, the gas collecting hood 21 is sleeved above the heating module 11, the bottom of the gas collecting hood 21 is clamped with the heating module 11, four support columns 13 are further arranged at four corners of the heating module 11 for improving the stability of connection between the gas collecting hood 21 and the heating module, the center of the top of the gas collecting hood 21 is fixedly connected with one end of each gas conveying pipe 22, and the other end of each gas conveying pipe 22 is connected with the recovery device 3. The negative pressure fan 23 is installed in the gas transmission pipe 22, the evaporated organic solvent can enter the gas transmission pipe 22 in time and be transmitted to the inside of the recovery device 3 under the driving of the negative pressure fan 23, and the negative pressure fan 23 adopts a fan with adjustable wind speed in order to adapt to the evaporation speed of the organic solvent. In order to facilitate observation of the state of the sample inside the evaporating dish 12 by the staff, the gas collecting hood 21 is made of a transparent glass plate, and the bottom of the gas collecting hood is provided with a lifting plate, so that the position of the gas collecting hood 21 can be conveniently adjusted, the side wall of the gas collecting hood 21 is provided with a plurality of air inlets, and under the work of the negative pressure fan 23, the problem that the inside of the gas collecting hood 21 is in a negative pressure state to influence the precision of an experimental result is avoided.
The recovery device 3 comprises a condensation pipe 31 and a collection bottle 32, wherein the condensation pipe 31 is in threaded connection with the top of the collection bottle 32 through threads at the bottom. The condensation pipe 31 comprises a shell 311, a heat exchange pipe 312 and an exhaust port 313, wherein the exhaust port 313 is installed at the top of the shell 311, the exhaust port 313 can be connected with a fume hood or an exhaust fan through a leather hose, and other waste gas and air which cannot be condensed can be discharged out of a laboratory, so that the pollution of waste to the environment of the laboratory is prevented. The heat exchange tube 312 is located inside the housing 311, and is spirally disposed, and the bottom of the heat exchange tube is provided with an inlet 3121 and an outlet 3122, both the inlet 3121 and the outlet 3122 penetrate through the side wall of the housing 311 to communicate with an external cooling tube, so that the cooling liquid can enter the inside of the heat exchange tube 312, and the evaporated organic solvent is liquefied. In order to further improve the full contact between the evaporated organic solvent and the heat exchange tube 312, the joint of the gas pipe 22 and the outer shell 311 is arranged below the heat exchange tube 312.
After heating module 11 evaporates the organic solvent when using, the vapour of resultant can up loss, can be fast with all inside of inhaling the gas-supply pipe 22 of organic solvent under negative pressure fan 23's the drive in leading-in condenser pipe 31 on right side, this condenser pipe 31 can get into solvent receiving flask 32 with the organic solvent vapour condensation that gets into, but this recovery solvent reuse after the redistilling.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a food contact material total migration volume test organic solvent evaporation recovery unit, includes generating device (1), transmission device (2) and recovery unit (3), its characterized in that: the generating device (1) comprises a heating module (11) and an evaporation dish (12), a plurality of placing grooves (111) are uniformly formed in the surface of the heating module (11), each evaporation dish (12) is placed inside each placing groove (111), the heating module (11) is fixedly connected with the transmission device (2), one end, far away from the heating module (11), of the transmission device (2) is connected with the recovery device (3), and the heating module (11) is communicated with the recovery device (3) through the transmission device (2).
2. The organic solvent evaporation recovery device for testing total migration of food contact materials according to claim 1, wherein: the conveying device (2) comprises a gas collecting hood (21) and a gas conveying pipe (22), the gas collecting hood (21) is located above the heating module (11), one end of the gas conveying pipe (22) is connected with the top of the gas collecting hood (21), and the other end of the gas conveying pipe is connected with the recovery device (3).
3. The organic solvent evaporation recovery device for testing total migration volume of food contact material according to claim 2, wherein: and a negative pressure fan (23) is arranged on one side of the interior of the gas conveying pipe (22) close to the gas collecting hood (21).
4. The organic solvent evaporation recovery device for testing total migration volume of food contact material according to claim 2, wherein: the recovery device (3) comprises a condensation pipe (31) and a collecting bottle (32), the gas conveying pipe (22) is connected with the side wall of the condensation pipe (31), and the collecting bottle (32) is installed below the condensation pipe (31).
5. The device for testing the evaporation and recovery of the organic solvent for the total migration amount of the food contact material, according to claim 4, wherein: the condenser pipe (31) comprises a shell (311) and a heat exchange pipe (312), an inlet (3121) and an outlet (3122) are arranged at the bottom of the heat exchange pipe (312), the inlet (3121) and the outlet (3122) penetrate through the shell (311) and are communicated with the outside, the gas conveying pipe (22) is connected with the shell (311), and the joint of the gas conveying pipe (22) and the shell (311) is positioned below the heat exchange pipe (312).
6. The device for testing the evaporation and recovery of the organic solvent for the total migration amount of the food contact material, according to claim 5, wherein: the top of the shell (311) is also provided with an exhaust port (313).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022024987.4U CN214019266U (en) | 2020-09-15 | 2020-09-15 | Organic solvent evaporation recovery device for testing total migration volume of food contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022024987.4U CN214019266U (en) | 2020-09-15 | 2020-09-15 | Organic solvent evaporation recovery device for testing total migration volume of food contact material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214019266U true CN214019266U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022024987.4U Active CN214019266U (en) | 2020-09-15 | 2020-09-15 | Organic solvent evaporation recovery device for testing total migration volume of food contact material |
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| Country | Link |
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| CN (1) | CN214019266U (en) |
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2020
- 2020-09-15 CN CN202022024987.4U patent/CN214019266U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210909 Address after: No.47, Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province 213000 Patentee after: Changzhou Industrial and consumer goods inspection Co.,Ltd. Address before: No.47, Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province 213000 Patentee before: CHANGZHOU SAFETY TESTING CENTER FOR ENTRY-EXIT INDUSTRY AND CONSUMABLE PRODUCTS |
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| TR01 | Transfer of patent right |