CN213493817U - Cold and hot two water bath fatty acid methylation system - Google Patents
Cold and hot two water bath fatty acid methylation system Download PDFInfo
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- CN213493817U CN213493817U CN202022171667.1U CN202022171667U CN213493817U CN 213493817 U CN213493817 U CN 213493817U CN 202022171667 U CN202022171667 U CN 202022171667U CN 213493817 U CN213493817 U CN 213493817U
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Abstract
The utility model relates to an analysis and test technical field, in particular to fatty acid methyl esterification system. A cold and hot water bath fatty acid methylation system comprises: the device comprises a spherical glass condensation pipe, a sample bottle, a hot water bath, a cooling circulating water machine, a cold water bath, a fixing plate and a lifting mechanism. The lower end of the spherical glass condenser pipe is provided with a sample bottle; the upper part of the spherical glass condenser pipe is connected with a lifting mechanism; the hot water bath is arranged below the sample bottle; the water outlet of the cooling circulating water machine is communicated with the water inlet of the cold water bath tank, a cold water pump is arranged in the cold water bath tank, the cold water pump is communicated with the cold water inlet of the spherical glass condenser pipe, and the cold water outlet of the spherical glass condenser pipe is communicated with the water return port of the cooling circulating water machine. The utility model realizes the integral lifting of the spherical glass condenser tube and the sample bottle, and is convenient for mounting and dismounting the sample bottle; the cold water bath can let the user cool off the sample nearby fast, and cold water bath and spherical glass condenser pipe share a cooling circulation water machine, practices thrift the cost.
Description
Technical Field
The utility model relates to an analysis and test technical field, in particular to fatty acid methyl esterification system.
Background
According to the national food safety standard GB5009.168-2016, when fatty acid analysis and test are carried out on food, saponification of fat in the food and methyl esterification of fatty acid are required. When an analysis tester is engaged in the work, as shown in fig. 1, existing experimental equipment is generally built by scattered equipment such as a heating water bath, an iron stand, a spherical glass condensation pipe, a cooling circulating water machine and the like. The iron support fixes the spherical glass condenser, the sample bottle is connected below the condenser, and the sample bottle is arranged in the heating water bath. The output port of the cooling circulating water machine is connected with the water inlet at the lower end of the condenser, the water outlet of the condenser is connected with the water return port of the cooling circulating water machine, and under the action of circulating cold water of the cooling circulating water machine, heated steam in the sample bottle enters the condensation cavity and is condensed into liquid, and the liquid flows back to the sample bottle.
The existing experimental equipment has the following defects: 1. before the methyl esterification reaction of fatty acid, a reagent needs to be added from the top end of a condenser by using a liquid transfer gun, an operator generally takes a sample bottle off a spherical glass condenser due to the limitation of a top end space, and immediately installs the sample bottle on the spherical glass condenser again after the reagent is added, so that the operation needs to be very quick, otherwise, sample components in the sample bottle may volatilize, and the analysis result is inaccurate. When the sample bottle is mounted and dismounted, the iron support must be dismounted first, and the operation is complex. 2. The processed sample must be cooled to room temperature quickly, which cannot be realized by the existing experimental equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aiming at the defects of the prior art, a cold and hot double water bath fatty acid methylation system is provided.
The technical scheme of the utility model is that: a cold and hot double water bath fatty acid methylation system comprises: the device comprises a spherical glass condensation pipe, a sample bottle, a hot water bath, a cooling circulating water machine, a cold water bath, a fixing plate and a lifting mechanism.
The lower end of the spherical glass condenser pipe is provided with a sample bottle; the upper part of the spherical glass condenser pipe is connected with a lifting mechanism through a fixing plate, and the spherical glass condenser pipe can ascend/descend under the action of the lifting mechanism.
The hot water bath is arranged below the sample bottles and used for heating the sample bottles.
The cold water bath is used for cooling the sample bottle. A cold water pump is arranged in the cold water bath tank, the cold water pump is connected into a cold water inlet of the spherical glass condenser pipe through a pipeline, a cold water outlet of the spherical glass condenser pipe is connected into a water return port of the cooling circulating water machine through a pipeline, and a water outlet of the cooling circulating water machine is connected into a water inlet of the cold water bath tank through a pipeline.
When the device works, the lifting mechanism is firstly at a descending position, so that a sample in the sample bottle is heated in a hot water bath; and (3) starting a cold water pump and a cooling circulating water machine, conveying cold water in the cold water bath tank to the spherical glass condenser pipe under the action of the cooling pump, discharging the cold water from a cold water outlet at the upper part of the spherical glass condenser pipe after the spherical glass condenser pipe is filled, conveying the cold water to the cooling circulating water machine through a pipeline, cooling the circulating water by the cooling circulating water machine, and conveying the cooled circulating water to the cold water bath tank under the action of the cold water pump to form circulation. The evaporated vapor in the sample bottle is condensed by the circulating cold water and flows back to the sample bottle. After the sample heating is finished, the spherical glass condenser tube and the sample bottle are integrally lifted up by the lifting mechanism, the sample bottle is taken down by a worker, and the sample bottle is rapidly put into the cold water bath tank for cooling.
On the basis of the scheme, further, the cold and hot double water bath fatty acid methylation system further comprises: a controller; the controller is in signal connection with the lifting mechanism to control the action of the lifting mechanism and realize automatic control.
On the basis of the scheme, further, the spherical glass condenser tube comprises: the cold water cavity and the condensation cavity are arranged in the cold water cavity; the cold water inlet and the cold water outlet are respectively positioned at the upper part and the lower part of the cold water cavity; an inclined liquid feeding pipe is arranged on the condensation cavity, and one end of the liquid feeding pipe penetrates through the cold water cavity and is sealed by a sealing cover. Set up the liquid feeding pipe on the condensation chamber, can avoid adding the problem that the operation is difficult that brings of reagent from the top of condenser pipe to and can avoid taking off the inaccurate problem of analysis result that the sample bottle added reagent and brought. Furthermore, the liquid feeding pipe is a transparent glass pipe for convenient observation.
On the basis of the scheme, the cold water bath tank is arranged close to the hot water bath tank, so that an operator can conveniently and quickly transfer the sample bottle nearby.
On the basis of the scheme, further, a plurality of spherical glass condenser pipes are arranged in the system and are arranged in an array mode.
Specifically, the spherical glass condenser tubes may be connected in series; the cold water pump is connected with a cold water inlet of the first spherical glass condenser pipe through a pipeline, the adjacent spherical glass condenser pipes are communicated through a pipeline, and a cold water outlet of the spherical glass condenser pipe at the tail end is connected with a water return port of the cooling circulating water machine through a pipeline.
Alternatively, the spherical glass condenser tubes may be connected in parallel; the cold water pump is respectively connected with the cold water inlets of all the spherical glass condenser pipes through pipelines, and the cold water outlets of all the spherical glass condenser pipes are respectively connected with the water return ports of the cooling circulating water machine through pipelines.
Has the advantages that: the utility model utilizes the lifting mechanism to realize the integral lifting of the spherical glass condenser tube and the sample bottle, thereby being convenient for installing and disassembling the sample bottle and having convenient operation; the utility model discloses set up the cold water bath, can cool off the sample fast, simultaneously, cold water bath and spherical glass condenser pipe sharing one water chiller practices thrift the cost.
Drawings
FIG. 1 is a schematic diagram showing the structure of a fatty acid methyl esterification system of the prior art;
FIG. 2 is a schematic structural view in example 1 of the present invention;
FIG. 3 is a schematic structural view of a spherical glass condenser tube according to example 2 of the present invention;
FIGS. 4 and 5 are schematic structural views in embodiment 4 of the present invention;
FIGS. 6 and 7 are schematic structural views in embodiment 5 of the present invention;
in the figure: 1-spherical glass condenser tube, 11-cold water inlet, 12-cold water outlet, 13-cold water cavity, 14-condenser cavity, 15-liquid feeding tube, 16-sealing cover, 2-sample bottle, 3-fixing plate, 4-lifting mechanism, 5-hot water bath, 6-cold water bath, 7-cold water pump, 8-controller and 9-cooling circulating water machine.
Detailed Description
Example 1, referring to fig. 2, a cold and hot aqueous bath fatty acid methylation system comprising: the device comprises a spherical glass condensation pipe 1, a sample bottle 2, a hot water bath 5, a cooling circulating water machine 9, a cold water bath 6, a fixing plate 3 and a lifting mechanism 4.
The lower end of the spherical glass condenser pipe 1 is provided with a sample bottle 2; the upper part of the spherical glass condensation pipe 1 is connected with a lifting mechanism 4 through a fixing plate 3, and the spherical glass condensation pipe ascends/descends under the action of the lifting mechanism 4.
A hot water bath 5 is provided below the sample bottles 2 for heating the sample bottles 2.
A cold water bath 6 is used to cool the sample bottles 2. A cold water pump 7 is arranged in the cold water bath 6, the cold water pump 7 is connected into a cold water inlet 11 of the spherical glass condenser pipe 1 through a pipeline, a cold water outlet 12 of the spherical glass condenser pipe 1 is connected into a water return port of the cooling circulating water machine 9 through a pipeline, and a water outlet of the cooling circulating water machine 9 is connected into a water inlet of the cold water bath 6 through a pipeline.
When the device works, the lifting mechanism 4 is firstly at a descending position, so that a sample in the sample bottle 2 is heated in the hot water bath 5; and (3) starting a cooling pump 7 and a cooling circulating water machine 9, conveying cold water in the cold water bath 6 to the spherical glass condenser pipe 1 under the action of the cooling pump 7, discharging the cold water from a cold water outlet 12 at the upper part of the spherical glass condenser pipe after filling the spherical glass condenser pipe 1, conveying the cold water to the cooling circulating water machine 9 through a pipeline, cooling the circulating water by the cooling circulating water machine 9, and conveying the cooled circulating water into the cold water bath 5 under the action of the cold water pump 7 to form circulation. The evaporated vapor in the sample bottle 2 is condensed by the circulating cold water and flows back to the sample bottle 2. After the sample heating is finished, the spherical glass condenser tube 1 and the sample bottle 2 are integrally lifted up by the lifting mechanism 4, the sample bottle 2 is taken down by a worker, and the sample bottle 2 is rapidly placed in the cold water bath 6 for cooling. To facilitate the user's immediate and rapid transfer of the sample vial 2 nearby, a cold water bath 6 is preferably provided adjacent to the hot water bath 5.
In this embodiment, the system for fatty acid methylation by cold and hot water baths further comprises: a controller 8; the controller 8 establishes signal connection with the lifting mechanism 4 to control the action of the lifting mechanism 4, thereby realizing automatic control.
Example 2, referring to fig. 3, on the basis of example 1, a spherical glass condenser tube 1 is further modified.
The spherical glass condenser tube 1 includes: a cold water chamber 13 and a condensation chamber 14 disposed in the cold water chamber 13; the cold water inlet 11 and the cold water outlet 12 are respectively positioned at the upper part and the lower part of the cold water cavity 13; an inclined liquid feeding pipe 15 is arranged on the condensation chamber 14, and one end of the liquid feeding pipe 15 penetrates through the cold water chamber 13 and is sealed by a sealing cover 16. The liquid adding pipe 15 is arranged on the condensing cavity 14, so that the problem of difficult operation caused by adding the reagent from the top end of the condensing pipe can be avoided, and the problem of inaccurate analysis result caused by taking off the sample bottle and adding the reagent can be avoided. The filling tube 15 is preferably a transparent glass tube for easy observation.
Before carrying out fatty acid methyl esterification reaction, operating personnel takes off sealed lid 16, adds reactant from the one end of liquid feeding pipe 15, and reactant flows into condensation chamber 14 through liquid feeding pipe 15, gets into sample bottle 2 through condensation chamber 14 in, carries out the methyl esterification reaction of sample, and the liquid feeding finishes operating personnel and seals liquid feeding pipe 15 with sealed lid 16 again.
In example 3, based on example 1 or 2, further, a plurality of spherical glass condensation tubes 1 are arranged in the cold and hot double water bath fatty acid methylation system, and the spherical glass condensation tubes 1 are arranged in an array. At this time, the number of the lifting mechanisms 4 is two, and the two lifting mechanisms are respectively arranged on the left and right sides of the fixed plate 3.
Example 4 referring to fig. 4 and 5, in example 3, spherical glass condenser tubes 1 are connected in series. The only difference between fig. 4 and 5 is that the spherical glass condenser tube 1 used in fig. 5 is provided with a filling tube 15.
The cold water pump 7 is connected to a cold water inlet 11 of the first spherical glass condenser pipe 1 through a pipeline, the adjacent spherical glass condenser pipes 1 are communicated through a pipeline, and a cold water outlet 12 of the spherical glass condenser pipe 1 at the tail end is connected to a water return port of the cooling circulating water machine 9 through a pipeline.
Example 5 referring to fig. 6 and 7, in example 3, spherical glass condenser tubes 1 are connected in parallel. The only difference between fig. 6 and 7 is that the spherical glass condenser tube 1 used in fig. 7 is provided with a filling tube 15.
The cold water pump 7 is respectively connected with the cold water inlets 11 of all the spherical glass condensation pipes 1 through pipelines, and the cold water outlets 12 of all the spherical glass condensation pipes 1 are respectively connected with the water return ports of the cooling circulating water machine 9 through pipelines.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A cold and hot double water bath fatty acid methylation system comprises: spherical glass condenser tube (1), sample bottle (2), hot water bath (5), cooling water circulating machine (9), its characterized in that, it still includes: a cold water bath (6), a fixing plate (3) and a lifting mechanism (4);
the lower end of the spherical glass condensation pipe (1) is provided with the sample bottle (2); the upper part of the spherical glass condensation pipe (1) is connected with the lifting mechanism (4) through a fixing plate (3), and the spherical glass condensation pipe can ascend/descend under the action of the lifting mechanism (4);
the hot water bath (5) is arranged below the sample bottle (2);
the cooling water circulation device is characterized in that a cooling water pump (7) is arranged in the cooling water bath (6), the cooling water pump (7) is connected into a cooling water inlet (11) of the spherical glass condensation pipe (1) through a pipeline, a cooling water outlet (12) of the spherical glass condensation pipe (1) is connected into a water return port of the cooling water circulation machine (9) through a pipeline, and a water outlet of the cooling water circulation machine (9) is connected into a water inlet of the cooling water bath (6) through a pipeline.
2. The cold and hot double water bath fatty acid methylation system according to claim 1, further comprising: a controller (8); the controller (8) is in signal connection with the lifting mechanism (4) and controls the action of the lifting mechanism (4).
3. The cold and hot double water bath fatty acid methylation system according to claim 1, wherein the spherical glass condensation tube (1) comprises: a cold water cavity (13) and a condensation cavity (14) arranged in the cold water cavity (13); the cold water inlet (11) and the cold water outlet (12) are respectively positioned at the upper part and the lower part of the cold water cavity (13); an inclined liquid feeding pipe (15) is arranged on the condensation cavity (14), and one end of the liquid feeding pipe (15) penetrates through the cold water cavity (13) and is sealed by a sealing cover (16).
4. The cold and hot double water bath fatty acid methylation system according to claim 3, wherein the liquid feeding pipe (15) is a transparent glass pipe.
5. The cold and hot water bath fatty acid methylation system according to claim 1, wherein the cold water bath (6) is arranged close to the hot water bath (5).
6. The system for methylating fatty acid in cold and hot double water baths according to any one of claims 1 to 5, wherein a plurality of spherical glass condensation tubes (1) are arranged in the system, and the spherical glass condensation tubes (1) are arranged in an array.
7. The cold and hot double water bath fatty acid methylation system according to claim 6, wherein the spherical glass condensation tubes (1) are connected in series; the cold water pump (7) is connected into a cold water inlet (11) of the first spherical glass condensation pipe (1) through a pipeline, the adjacent spherical glass condensation pipes (1) are communicated through a pipeline, and a cold water outlet (12) of the ball-shaped glass condensation pipe (1) at the tail end is connected into a water return port of the cooling circulating water machine (9) through a pipeline.
8. The cold and hot double water bath fatty acid methylation system according to claim 6, wherein the spherical glass condensation pipes (1) are connected in parallel; the cold water pump (7) is respectively connected into cold water inlets (11) of the spherical glass condensation pipes (1) through pipelines, and cold water outlets (12) of the spherical glass condensation pipes (1) are respectively connected into water return ports of the cooling circulating water machine (9) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171667.1U CN213493817U (en) | 2020-09-28 | 2020-09-28 | Cold and hot two water bath fatty acid methylation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022171667.1U CN213493817U (en) | 2020-09-28 | 2020-09-28 | Cold and hot two water bath fatty acid methylation system |
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| Publication Number | Publication Date |
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| CN213493817U true CN213493817U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022171667.1U Active CN213493817U (en) | 2020-09-28 | 2020-09-28 | Cold and hot two water bath fatty acid methylation system |
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| CN (1) | CN213493817U (en) |
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