A laboratory cryogenic cooling circulator

Abstract

The utility model relates to experimental apparatus technical field, concretely is a kind of laboratory low temperature cooling circulating device, including low temperature cold water machine, the hose of being connected in the water inlet and water outlet of cold water machine, the stainless steel coil pipe of being set in glass reaction bottle, the cold water machine import and export hose and the both ends intercommunication of stainless steel coil pipe in glass bottle;In practical application, after opening cold water machine, low temperature cold water can continuously circulate between cold water machine sink and stainless steel coil pipe, heat exchange is carried out with liquid in glass reaction bottle by stainless steel coil pipe, play the role of cooling the liquid in glass reaction bottle, make the liquid in glass bottle keep at certain low temperature level;The utility model can make the temperature in glass reaction bottle continuously below room temperature, above 10 DEG C, meet experimental demand, ensure the accuracy of experimental data.

Description

Technical Field

[0001] This utility model relates to the field of laboratory equipment technology, specifically a laboratory low-temperature cooling circulation device. Background Technology

[0002] In laboratory winemaking experiments, to ensure representativeness and rigor, wine is typically fermented in 5L, 10L, or 20L glass bottles. Winemaking also requires specific temperature control; generally, the fermentation temperature for dry red wine should be controlled between 25-28℃, and for dry white wine between 16-20℃, or even lower. However, wine fermentation is a heat-generating process, with natural temperatures reaching above 30℃, making lowering the fermentation temperature crucial. Unfortunately, glass bottles lack the necessary facilities for temperature control. Utility Model Content

[0003] The purpose of this invention is to address the above-mentioned shortcomings by providing a laboratory low-temperature cooling circulation device that can maintain the temperature in the glass reaction flask at 10°C or more below room temperature, thereby meeting the temperature requirements during the wine fermentation process.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A laboratory low-temperature cooling circulation device includes a chiller, hoses connected to the inlet and outlet of the chiller, and a stainless steel coil disposed in a glass reaction flask, wherein the inlet and outlet ends of the coil are respectively connected to the hoses at the inlet and outlet of the chiller.

[0006] Furthermore, the coil is made of food-grade stainless steel.

[0007] Furthermore, the spiral diameter of the coil gradually increases from the inlet end to the outlet end of the coil.

[0008] Furthermore, the maximum spiral diameter of the coil is smaller than the inner diameter of the glass reaction flask's mouth, allowing the coil to be easily removed from the glass reaction flask.

[0009] Furthermore, the inlet and outlet ends of the coil are respectively connected to an inlet pipe and an outlet pipe; it also includes a rubber stopper for fixing the inlet and outlet pipes, the rubber stopper being used to seal the mouth of the glass reaction flask, and the rubber stopper having a pre-drilled hole to facilitate the use of other probes, such as thermometers, in the glass reaction flask experiment.

[0010] Furthermore, the inlet end of the water inlet pipe, the outlet end of the water outlet pipe, and the hose are all connected by clamps for detachable connection.

[0011] Furthermore, the rubber plug and the coil are provided in at least one set, and the water inlet pipe and water outlet pipe between adjacent coils are connected in series through a connecting pipe. The water inlet pipe at the beginning and the water outlet pipe at the end are connected to the hoses at the inlet and outlet of the chiller.

[0012] The beneficial effects of this utility model are:

[0013] In practical applications, the chiller serves to lower water temperature and circulate the water. The coil is connected to the chiller, allowing the water in the hoses and coil to be cooled and circulated. Simultaneously, the grape fermentation broth in the glass reaction flask exchanges heat with the coil, thus achieving a cooling effect. This invention can maintain the temperature in the glass reaction flask at 10°C or more below room temperature, meeting the requirements for wine fermentation experiments. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure labels: 1. Water chiller; 2. Hose; 3. Rubber stopper; 4. Coil; 41. Inlet pipe; 42. Outlet pipe; 5. Glass reaction flask. Detailed Implementation

[0016] like Figure 1 As shown, a laboratory low-temperature cooling circulation device includes a chiller 1, a hose 2 connected to the inlet and outlet of the chiller 1, and a stainless steel coil 4 installed in a glass reaction flask 5. The inlet and outlet ends of the coil 4 are respectively connected to the hose 2 at the inlet and outlet of the chiller 1.

[0017] The chiller 1 lowers the water temperature and circulates the water. The coil 4 is connected to the chiller 1, allowing the water in the hose 2 and coil 4 to be cooled and circulated. Simultaneously, the grape fermentation broth in the glass reaction flask 5 exchanges heat with the coil 4, thus achieving a cooling effect. This invention can maintain the temperature in the glass reaction flask at 10°C or more below room temperature, meeting the requirements for wine fermentation experiments.

[0018] like Figure 1 As shown, the coil 4 is made of food-grade stainless steel 316. In this embodiment, the coil 4 made of food-grade stainless steel 316 is corrosion-resistant, has good stability, and will not affect the substances in the glass bottle.

[0019] like Figure 1 As shown, the spiral diameter of the coil 4 gradually increases from the water inlet end to the water outlet end. In this embodiment, as the cold water flows and heats up in the coil 4, the temperature gradually increases. When the spiral diameter of the coil 4 gradually increases from the water inlet end to the water outlet end, the liquid near the water outlet end of the coil 4 can obtain a longer heat exchange time and heat exchange area, and the heat exchange effect is better.

[0020] like Figure 1 As shown, the maximum spiral diameter of the coil 4 is smaller than the inner diameter of the mouth of the glass reaction flask 5, so that the coil 4 can be easily removed from the glass reaction flask 5. In this embodiment, when the maximum spiral diameter of the coil 4 is smaller than the inner diameter of the mouth of the glass reaction flask 5, it is convenient to remove the coil 4 from the mouth of the glass reaction flask 5, and it is also convenient to inject new reaction liquid into the glass reaction flask 5.

[0021] like Figure 1 As shown, the inlet and outlet ends of the coil 4 are connected to an inlet pipe 41 and an outlet pipe 42, respectively; it also includes a rubber stopper 3 for installing the inlet pipe 41 and the outlet pipe 42. The rubber stopper 3 is used to plug the mouth of the glass reaction flask 5, and a hole is reserved on the rubber stopper 3. In this embodiment, the coil 4 can be installed by installing the inlet pipe 41 and the outlet pipe 42 through the rubber stopper 3, and the hole facilitates the use of other probes, such as thermometers, in the experiment of the glass reaction flask 5.

[0022] like Figure 1 As shown, the inlet end of the water inlet pipe 41, the outlet end of the water outlet pipe 42, and the hose 2 are all connected by clamps for detachability. In this embodiment, a plug-in connection is used to connect the inlet end of the water inlet pipe 41 to the hose 2 at the outlet of the chiller 1, and the outlet end of the water outlet pipe 42 to the hose 2 at the inlet of the chiller 1, which is convenient and quick.

[0023] like Figure 1 As shown, at least one set of rubber stopper 3 and coil 4 is provided. Adjacent coils 4 are connected in series through water inlet pipe 41 and water outlet pipe 42. The first water inlet pipe 41 and the last water outlet pipe 42 are connected to the hose 2 of the water inlet and outlet of the chiller 1. In this embodiment, if multiple glass reaction flasks 5 need to be heated at the same time, the coils 4 in each glass reaction flask 5 can be connected in series through connecting pipes and then connected to the chiller 1 through hose 2, so as to achieve simultaneous cooling of multiple glass reaction flasks 5.

[0024] The specific embodiments described herein are merely illustrative examples of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the scope defined by this utility model.

Claims

1. A laboratory cryogenic cooling circulation device, characterized in that: Includes a chiller (1), a hose (2) connected to the inlet and outlet of the chiller (1), and a stainless steel coil (4) installed in a glass reaction flask (5). The inlet and outlet ends of the coil (4) are respectively connected to the hose (2) at the inlet and outlet of the chiller (1). The spiral diameter of the coil (4) gradually increases from the inlet end to the outlet end of the coil (4); The inlet and outlet ends of the coil (4) are respectively connected to an inlet pipe (41) and an outlet pipe (42); it also includes a rubber stopper (3) for fixing the inlet pipe (41) and the outlet pipe (42). The rubber stopper (3) is used to plug the mouth of the glass reaction flask (5). The rubber stopper (3) has a hole reserved on it to facilitate the use of other probes, such as thermometers, in the experiment of the glass reaction flask (5).

2. The laboratory cryogenic cooling circulation device according to claim 1, characterized in that, The coil (4) is made of food-grade stainless steel 316.

3. The laboratory cryogenic cooling circulation device according to claim 1, characterized in that, The maximum spiral diameter of the coil (4) is smaller than the inner diameter of the glass reaction flask (5), so that the coil (4) can be easily removed from the glass reaction flask (5).

4. A laboratory cryogenic cooling circulation device according to claim 1, characterized in that, The inlet end of the water inlet pipe (41), the outlet end of the water outlet pipe (42), and the hose (2) are all connected by clamps for detachability.

5. A laboratory cryogenic cooling circulation device according to claim 1, characterized in that, The rubber plug (3) and the coil (4) are provided in at least one set. The water inlet pipe (41) and the water outlet pipe (42) between adjacent coils (4) are connected in series through a connecting pipe. The water inlet pipe (41) at the beginning and the water outlet pipe (42) at the end are connected to the hose (2) at the inlet and outlet of the chiller (1).

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