CN212914578U

CN212914578U - Rotary evaporation device for detection pretreatment of chemical residual substances in food

Info

Publication number: CN212914578U
Application number: CN202020800825.2U
Authority: CN
Inventors: 陈源; 林瑶; 苏建峰; 郑坤明; 赵炜冰; 吴晓萍
Original assignee: FUJIAN CCIC-FAIRREACH FOOD SAFETY TESTING CO LTD
Current assignee: FUJIAN CCIC-FAIRREACH FOOD SAFETY TESTING CO LTD
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-04-09
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a rotary evaporation device for the pre-treatment of chemical residue in food in the technical field of rotary evaporator, which comprises a water bath kettle, wherein the water bath kettle comprises a sealing box body, the sealing box body comprises a hemispherical inner wall, a hemispherical heating pipe, a first heat preservation layer and a box body shell, the top of the sealing box body is provided with a sealing cover, the sealing cover comprises a hemispherical cavity, a second heat preservation layer and a cover body shell, the sealing box body and the sealing cover are respectively provided with an inclined groove which is adaptive to the bottleneck of the rotary bottle, and a feeding device is arranged on a sleeve pipe, the utility model has reasonable structural design, the sealing box body and the sealing cover are matched for use, the evaporation of water is reduced, the heat loss is avoided, the heating effect of the water bath is enhanced, the liquid splashing is prevented, the heating pipe is hemispherical, the rotary bottle can be heated, the efficiency is high.

Description

Rotary evaporation device for detection pretreatment of chemical residual substances in food

Technical Field

The utility model relates to a rotary evaporator technical field specifically is a chemical residue detects processing and uses rotary evaporator in food.

Background

Before food detection, pretreatment such as extraction, purification, concentration and the like needs to be carried out on a sample to be detected so as to eliminate interference of a matrix, protect an instrument, improve the sensitivity of a detection method and improve the accuracy of a detection result. The rotary evaporator is a common device for the detection pretreatment of chemical residual substances in food, and the existing rotary evaporator has the problems of small evaporation area, low solution diffusion effect and low condensation efficiency.

To this end, those skilled in the relevant art have made improvements, such as "a pesticide residue rotary evaporation type device food detection device" proposed in chinese patent application No. CN201820394935.6, which is a technical feature of this application document: "a pesticide residue rotary evaporation formula device food detection device includes: the device comprises a body, a condenser and a collecting bottle; the one side at the body is installed to the lift curb plate, be provided with the water bath on the lift curb plate, rotatory bottle sets up the upper portion at the body, rotatory bottle passes through rotary seal axle and this body coupling, it is big to have an evaporation area, solution diffusion effect is high, and the efficient advantage of condensation, but the technical scheme in this application file still exists not enoughly, the continuous evaporation of vapor when the device is using leads to water bath heat to run off, the water bath liquid level descends to make rotatory bottle the condition of being heated change, influence the distillation of sample, the condition that liquid splashes probably takes place for the water bath simultaneously, scald the staff easily.

Based on this, the utility model designs a chemical residue detects preceding processing and uses rotary evaporation device in food to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemical residue detects preceding processing and uses rotary evaporation device in food to solve the aforesaid and constantly evaporate like the device when using, lead to water bath heat to run off, the water bath liquid level descends to make the rotatory bottle condition of being heated change, influences the distillation of sample, and the condition that liquid splashes probably takes place for the water bath simultaneously, scalds staff's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chemical residue detects processing and uses rotatory evaporation plant in food, includes the body, rotatory sealed axle, rotatory bottle, water-bath, support, sleeve pipe, condenser pipe, receiving flask, the water-bath includes sealed box, the inside hemisphere inner wall that is provided with of sealed box, the hemisphere inner wall outside is provided with the hemisphere heating pipe, the hemisphere heating pipe outside is provided with first heat preservation, the first heat preservation outside is provided with the box shell, sealed box top is provided with sealed lid, the inside hemisphere cavity that is provided with of sealed lid, hemisphere cavity outer wall is provided with the second heat preservation, the second heat preservation outside is provided with the lid shell, sealed box with sealed covering be provided with respectively with the slope recess that suits with rotatory bottleneck portion, be provided with feeding device on the sleeve pipe.

Preferably, a pressure relief valve is arranged at the top of the sealing cover.

Preferably, a heating liquid adding pipe is arranged on one side of the sealed box body.

Preferably, a sealing ring is arranged between the rotary bottle and the water bath kettle.

Preferably, feeding device is including setting up the feeding bottle on the support, feeding bottle bottom is provided with the discharging pipe, the discharging pipe bottom is provided with the preheating tube, the preheating tube outer wall has cup jointed spiral heating pipe, the preheating tube bottom is provided with the filling tube, the filling tube is connected the sleeve pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable structural design, on one hand, the sealing box body and the sealing cover are matched for use, so that the evaporation of water is reduced in the heating process, the heat loss is avoided, the heating effect of the water bath can be enhanced, the distillation speed is increased, meanwhile, the liquid is prevented from splashing to scald workers, the heating pipe is arranged into a hemisphere shape similar to that of the rotary bottle, the temperature at each part of the water bath is more uniform, and the rotary bottle is heated more uniformly, thereby being beneficial to improving the evaporation speed of a sample; on the other hand is provided with feeding device, can realize reinforced in succession, need not to dismantle rotatory bottle, convenient operation, efficient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the water bath kettle of the present invention;

FIG. 3 is a side view of the water bath structure of the present invention;

fig. 4 is a schematic view of the structure of the preheating pipe of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a body; 2. rotating the seal shaft; 3. rotating the bottle; 4. a water bath kettle; 5. a support; 6. a sleeve; 7. a condenser tube; 8. a collection bottle; 9. sealing the box body; 10. a hemispherical inner wall; 11. a hemispherical heating tube; 12. a first insulating layer; 13. a case body shell; 14. a sealing cover; 15. a hemispherical cavity; 16. a second insulating layer; 17. a cover body housing; 18. inclining the groove; 19. a pressure relief valve; 20. a heating liquid addition pipe; 21. a seal ring; 22. a feed tube; 23. a preheating pipe; 24. a spiral heating pipe; 25. a discharge pipe; 26. a feeding bottle; 27. a feeding device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a rotary evaporation device for pretreatment of detection of chemical residues in food comprises a body 1, a rotary sealing shaft 2, a rotary bottle 3, a water bath pot 4, a support 5, a sleeve 6, a condenser pipe 7 and a collecting bottle 8, wherein the water bath pot 4 comprises a sealing box body 9, a hemispherical inner wall 10 is arranged inside the sealing box body 9, heating liquid is arranged in the hemispherical inner wall 10, a hemispherical heating pipe 11 is arranged outside the hemispherical inner wall 10, the hemispherical heating pipe 11 is formed by winding a heating wire on the outer wall of the hemispherical inner wall 10, a first heat-insulating layer 12 is arranged outside the hemispherical heating pipe 11 to reduce heat loss of the water bath pot 4, a box shell 13 is arranged outside the first heat-insulating layer 12, a sealing cover 14 is arranged at the top of the sealing box body 9, a hemispherical cavity 15 is arranged inside the sealing cover 14, a second heat-insulating layer 16 is arranged on the outer wall of the, a cover body shell 17 is arranged on the outer side of the second heat-insulating layer 16, inclined grooves 18 which are matched with the neck of the rotary bottle 3 are respectively arranged on the sealing box body 9 and the sealing cover 14, and a feeding device 27 is arranged on the sleeve 6.

Further, a pressure release valve 19 is arranged at the top of the sealing cover 14, and when the steam pressure in the water bath 4 is too high, the pressure is released to a safe range through the pressure release valve 19.

Furthermore, a heating liquid adding pipe 20 is arranged on one side of the sealed box body 9, and a control valve is arranged on the heating liquid adding pipe 20 to supplement the heating liquid of the water bath kettle 4, so that the liquid level change is reduced, and the heating liquid is prevented from being burnt out.

Furthermore, a sealing ring 21 is arranged between the rotary bottle 3 and the water bath kettle 4, so that the air tightness of the water bath kettle 4 is improved, and the leakage of water vapor is reduced.

Further, feeding device 27 is including setting up feeding bottle 26 on support 5, feeding bottle 26 bottom is provided with discharging pipe 25, be provided with the control valve on the discharging pipe 25, discharging pipe 25 bottom is provided with preheating pipe 23, preheating pipe 23 outer wall has cup jointed spiral heating pipe 24, heating temperature is less than sample gasification temperature, preheating pipe 23 bottom is provided with filling tube 22, be provided with the control valve on the filling tube 22, filling tube 22 connecting sleeve 6, preheat the supply sample, reduce the cooling effect of supply sample to the pipe wall in sleeve 6, avoid the material that has gasified to receive the cold liquefaction, guarantee distillative efficiency.

One specific application of this embodiment is: putting a proper amount of sample into a rotary bottle 3 in advance, fixing the rotary bottle 3 on a rotary sealing shaft 2, adjusting a sealing box body 9 to a proper height through a lifting side plate on a body 1, enabling the neck of the rotary bottle 3 to be positioned in an inclined groove 18, sealing a sealing cover 14 with the sealing box body 9, controlling a hemispherical heating pipe 11 through a control panel on the body 1 to heat a heating liquid, transmitting heat to the rotary bottle 3 by the heating liquid, heating the sample in the rotary bottle 3, controlling the rotary bottle 3 to rotate by the body 1 at the same time, and collecting the gasified sample after entering a condensing pipe 7 through an inner pipe of a sleeve 6 for condensation by a collecting bottle 8; when the sample amount in the rotary bottle 3 is reduced to a certain degree, the liquid in the feeding bottle 26 enters the rotary bottle 3 from the outer tube of the sleeve 6 by preheating through the preheating tube 23, and rotary evaporation is carried out, so that continuous feeding is realized.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a chemistry residual substance detects preceding processing and uses rotary evaporation device in food, includes body (1), rotary seal axle (2), rotatory bottle (3), water bath (4), support (5), sleeve pipe (6), condenser pipe (7), receiving flask (8), its characterized in that: the water bath (4) comprises a sealed box body (9), a hemispherical inner wall (10) is arranged inside the sealed box body (9), a hemispherical heating pipe (11) is arranged on the outer side of the hemispherical inner wall (10), a first heat preservation layer (12) is arranged on the outer side of the hemispherical heating pipe (11), a box body shell (13) is arranged on the outer side of the first heat preservation layer (12), a sealing cover (14) is arranged on the top of the sealing box body (9), a hemispherical cavity (15) is arranged inside the sealing cover (14), a second insulating layer (16) is arranged on the outer wall of the hemispherical cavity (15), a cover body shell (17) is arranged on the outer side of the second heat-insulating layer (16), inclined grooves (18) matched with the neck of the rotary bottle (3) are respectively formed in the sealing box body (9) and the sealing cover (14), and a feeding device (27) is arranged on the sleeve (6).

2. The rotary evaporation device for use in the pretreatment of detection of chemical residues in food according to claim 1, wherein: and a pressure release valve (19) is arranged at the top of the sealing cover (14).

3. The rotary evaporation device for use in the pretreatment of detection of chemical residues in food according to claim 1, wherein: a heating liquid adding pipe (20) is arranged on one side of the sealed box body (9).

4. The rotary evaporation device for use in the pretreatment of detection of chemical residues in food according to claim 1, wherein: a sealing ring (21) is arranged between the rotary bottle (3) and the water bath pot (4).

5. The rotary evaporation device for use in the pretreatment of detection of chemical residues in food according to claim 1, wherein: feeding device (27) is including setting up feeding bottle (26) on support (5), feeding bottle (26) bottom is provided with discharging pipe (25), discharging pipe (25) bottom is provided with preheating tube (23), spiral heating pipe (24) have been cup jointed to preheating tube (23) outer wall, preheating tube (23) bottom is provided with filling tube (22), filling tube (22) are connected sleeve pipe (6).