CN219091146U - Laboratory heat preservation heat filtration crystallization device - Google Patents
Laboratory heat preservation heat filtration crystallization device Download PDFInfo
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- CN219091146U CN219091146U CN202320073837.3U CN202320073837U CN219091146U CN 219091146 U CN219091146 U CN 219091146U CN 202320073837 U CN202320073837 U CN 202320073837U CN 219091146 U CN219091146 U CN 219091146U
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Abstract
The utility model discloses a laboratory heat preservation heat filtration crystallization device, belongs to the technical field of experimental equipment, and solves the problems of poor heat filtration effect caused by uncontrollable heat filtration temperature and poor heat preservation effect in the existing heat filtration experiment; the device comprises a collector and a crystallizer, wherein the collector is communicated with the crystallizer through a heat preservation pipe; the heat preservation pipe is communicated with the constant temperature circulating water bath to form a heat preservation loop, a first liquid inlet for collecting solution is formed in the crystallizer, a connecting port connected with an air pump is formed in the collector, and the air pump drives the solution in the crystallizer to be pumped into the collector through the heat preservation pipe for carrying out a thermal filtration experiment; according to the utility model, the heat-insulating pipe is matched with the constant-temperature circulating water bath to form a heat-insulating loop, so that in two or more substance separation experiments with larger solubility difference, substances with larger solubility change along with temperature are prevented from crystallizing due to temperature reduction during hot filtration, the experiment proceeding speed is improved, and the product yield is ensured.
Description
Technical Field
The utility model relates to the technical field of experimental equipment, in particular to a laboratory heat preservation, thermal filtration and crystallization device.
Background
In the scientific research and experimental teaching process, the hot filtration experiment is one of the main methods for purifying the solid compounds, and is also one of the main experimental operation contents of laboratory student experiments and scientific research activities.
At present, a laboratory heat preservation heat filtration crystallization device mainly comprises a metal jacket heat filtration funnel, and consists of a single-layer glass funnel and a metal (copper) jacket, wherein water in the metal jacket is heated by an alcohol lamp, so that a solution in the funnel is indirectly heated to improve the heat filtration temperature, the temperature is uncontrollable, the effect of heating liquid is poor, filtrate is extremely easy to condense and block a funnel neck, the filtration speed is slow, the metal jacket has high cost, and the open flame of the alcohol lamp has potential safety hazard problem on flammable and explosive solvents.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a laboratory heat preservation heat filtration crystallization device, which solves the problems of poor heat filtration effect caused by uncontrollable heat filtration temperature and poor heat preservation effect in the existing heat filtration experiment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a laboratory heat preservation heat filters crystallization device, it includes collector and crystallizer, communicates through the insulating tube between collector and the crystallizer, and the insulating tube forms the heat preservation return circuit with constant temperature circulation water bath intercommunication, has seted up the first inlet of collecting solution on the crystallizer, has seted up the connector of being connected with the air pump on the collector, and the solution in the air pump drive crystallizer is through the insulating tube extraction to the collector in carry out the heat filtration experiment.
According to the utility model, the heat-insulating pipe is matched with the constant-temperature circulating water bath to form a heat-insulating loop, so that in two or more substance separation experiments with larger solubility difference, substances with larger solubility change along with temperature are prevented from crystallizing due to temperature reduction during hot filtration, the experiment proceeding speed is improved, and the product yield is ensured.
Further, the heat preservation pipe includes the water bath pipe, and water bath pipe and constant temperature circulation water bath intercommunication, and the inside cavity of water bath pipe is provided with the connecting pipe in the hollow water bath pipe.
In this scheme, the insulating tube includes the water bath pipe, is provided with the connecting pipe in the water bath pipe, adopts above-mentioned scheme, and water bath pipe and constant temperature circulation water bath intercommunication form the heat preservation return circuit, realize the temperature control to the connecting pipe, prevent that the temperature of connecting pipe from appearing changing, ensure that the solubility is great along with the temperature change the material and not crystallization because of the reduction of temperature during hot filtration.
Further, a second liquid inlet is formed in the collector, a liquid outlet is formed in the crystallizer, one end of the connecting pipe is inserted into the second liquid inlet, and the other end of the connecting pipe is inserted into the liquid outlet to communicate the collector with the crystallizer.
Further, one end of the connecting pipe inserted into the liquid outlet extends to the bottom of the crystallizer, and a sand filtering funnel is arranged at the end part of the connecting pipe extending to the bottom of the crystallizer.
In this scheme, the tip of connecting pipe intubate in the liquid outlet is provided with sand filter funnel, adopts above-mentioned scheme, and the connecting pipe extends to the bottom of crystallizer, makes the extraction solubility that the connecting pipe can be abundant follow the great material solution of temperature variation, and sand filter funnel can avoid taking away together the granule that will subside in the bottom.
Further, a first heat preservation device is arranged outside the collector, a first heat preservation cavity is arranged in the first heat preservation device, and the first heat preservation cavity is respectively communicated with the outlet end of the constant temperature circulating water bath and the inlet end of the water bath pipe.
In this scheme, be equipped with first heat retainer outward in the collector, adopt above-mentioned scheme, be equipped with first heat retainer outward at the collector to with first heat retainer respectively with constant temperature circulation water bath and water bath pipe intercommunication, make collector and connecting pipe be in constant temperature state, prevent in the hot filtration test that temperature deviation from appearing, the crystallization phenomenon appears in the great material solution of leading to the solubility along with temperature variation, influence test progress.
Further, a second heat preservation device is arranged outside the crystallizer, a second heat preservation cavity is arranged in the second heat preservation device, and the second heat preservation cavity is respectively communicated with the loop end of the constant temperature circulating water bath and the outlet end of the water bath pipe.
In this scheme, be provided with the second heat retainer outside the crystallizer, adopt above-mentioned scheme, be provided with the second heat retainer outside the crystallizer to with second heat retainer respectively with constant temperature circulation water bath and water bath pipe intercommunication, make crystallizer, collector and connecting pipe all be in constant temperature state, prevent in the hot filtration test, appear temperature deviation, lead to the solubility to appear crystallization phenomenon along with the great material solution of temperature variation, influence test progress.
Further, a stirring port is arranged on the crystallizer, and a stirrer is arranged in the stirring port.
In this scheme, install the agitator in the crystallizer, adopt above-mentioned scheme, the agitator can stir the solution of putting into in the crystallizer, makes the solution fully react, prevents that solution granule from piling up at the bottom of the crystallizer bottle.
The utility model discloses a laboratory heat preservation, thermal filtration and crystallization device, which has the beneficial effects that:
according to the utility model, the heat-preserving pipe, the first heat-preserving device, the second heat-preserving device and the constant-temperature circulating water bath are matched to form a heat-preserving loop, so that the temperature change of the collector, the crystallizer and the connecting pipe is avoided, and in the separation experiment of two or more substances with larger solubility difference, the substances with larger solubility are prevented from crystallizing due to the reduction of temperature during the hot filtration period, thereby improving the experiment proceeding speed and ensuring the product yield.
Drawings
FIG. 1 is a schematic diagram of a laboratory thermal insulation, thermal filtration and crystallization device according to the present utility model.
1, a collector; 2. a crystallizer; 3. a first warmer; 31. a first thermal insulation chamber; 4. a second heat retainer; 41. a second insulating cavity; 5. a heat preservation pipe; 6. a water bath tube; 7. a connecting pipe; 8. sand filtering funnel; 9. a connection port; 10. a first liquid inlet; 11. constant temperature circulating water bath; 12. a second liquid inlet; 13. a liquid outlet; 14. a stirring port; 15. a stirrer.
Detailed Description
While specific embodiments of the present utility model have been described in order to facilitate understanding of the present utility model by those skilled in the art, it should be apparent that the present utility model is not limited to the scope of the specific embodiments, and that all the utility models which make use of the inventive concept are within the spirit and scope of the present utility model as defined and defined by the appended claims to those skilled in the art.
Example 1
Referring to fig. 1, a schematic structural diagram of a laboratory thermal insulation thermal filtration crystallization device according to the present embodiment is provided, which aims to solve the problem that the thermal filtration temperature is uncontrollable, the thermal insulation effect is poor, and the filtration effect is poor in the existing thermal filtration experiment, and detailed description will be given below on the specific structure in the present embodiment.
The laboratory heat preservation, thermal filtration and crystallization device comprises a collector 1 and a crystallizer 2, wherein the collector 1 is communicated with the crystallizer 2 through a heat preservation pipe 5; the heat preservation pipe 5 is communicated with the constant temperature circulating water bath 11 to form a heat preservation loop.
Specifically, a first liquid inlet 10 for collecting solution is formed in the crystallizer 2, a connection port 9 connected with an air pump is formed in the collector 1, and the air pump pumps the solution in the crystallizer 2 into the collector 1 through the heat preservation pipe 5 for performing a thermal filtration experiment.
In this embodiment, the air pump and the constant temperature circulation water bath 11 both adopt the prior art, wherein the air pump adopts the existing vacuum pump, the specific model of the vacuum pump is VP-15S, the constant temperature circulation water bath 11 adopts the existing constant temperature circulation water bath pot, and the specific model of the constant temperature circulation water bath pot is HH-501.
The heat preservation pipe 5 is matched with the constant temperature circulating water bath 11 to form a heat preservation loop, and in the separation experiments of two or more substances with larger solubility difference, substances with larger solubility along with temperature change are prevented from crystallizing due to temperature reduction during hot filtration, so that the experiment proceeding speed is improved, and the product yield is ensured.
The crystallizer 2 is provided with a stirring port 14, a stirrer 15 is arranged in the stirring port 14, and the stirrer 15 can stir the solution put in the crystallizer 2, so that the solution can fully react, and solution particles are prevented from accumulating at the bottom of the crystallizer 2.
Example 2
Referring to fig. 1, a schematic structural diagram of a laboratory thermal insulation, thermal filtration and crystallization device according to this embodiment is provided, which aims to insulate the connection channel between the collector 1 and the crystallizer 2, and a further scheme of the insulation pipe 5 is provided in this embodiment.
The heat preservation pipe 5 includes water bath pipe 6, and water bath pipe 6 and constant temperature circulation water bath 11 intercommunication are intraductal cavity of water bath pipe 6, are provided with connecting pipe 7 in the hollow water bath pipe 6.
Specifically, a second liquid inlet 12 is formed in the collector 1, a liquid outlet 13 is formed in the crystallizer 2, one end of a connecting pipe 7 is inserted into the second liquid inlet 12, and the other end of the connecting pipe 7 is inserted into the liquid outlet 13 to communicate the collector 1 with the crystallizer 2.
In this embodiment, the water bath pipe 6 is communicated with the constant temperature circulating water bath 11 to form a heat insulation loop, so as to realize temperature control of the connecting pipe 7, prevent the temperature of the connecting pipe 7 from changing, and ensure that substances with larger solubility along with temperature change are not crystallized due to temperature reduction during hot filtration.
One end of the connecting pipe 7 inserted into the liquid outlet 13 extends to the bottom of the crystallizer 2, and the end of the connecting pipe 7 extending to the bottom of the crystallizer 2 is provided with a sand filtering funnel 8.
In this embodiment, the connecting pipe 7 extends to the bottom of the crystallizer 2, so that the connecting pipe 2 can sufficiently extract the substance solution with large solubility changing with temperature, and the sand filter funnel 8 can avoid the particles settled at the bottom from being pumped away together.
Example 3
Referring to fig. 1, a schematic structure of a laboratory heat preservation, thermal filtration and crystallization device according to this embodiment is provided, wherein the purpose of the laboratory heat preservation, thermal filtration and crystallization device is to preserve heat of a collector 1 and a crystallizer 2, and a further scheme of the collector 1 and the crystallizer 2 is provided in this embodiment.
The collector 1 is provided with a first heat preservation device 3 outward, and a first heat preservation cavity 31 is arranged in the first heat preservation device 3, and the first heat preservation cavity 31 is respectively communicated with the outlet end of the constant temperature circulating water bath 11 and the inlet end of the water bath pipe 6.
Specifically, the crystallizer 2 is provided with a second heat preservation device 4 outside, a second heat preservation cavity 41 is arranged in the second heat preservation device 4, and the second heat preservation cavity 41 is respectively communicated with the loop end of the constant temperature circulating water bath 11 and the outlet end of the water bath pipe 6.
In this embodiment, be provided with first heat retainer 3 outside collector 1, be provided with second heat retainer 4 outside crystallizer 2, and first heat retainer 31 has been seted up in the first heat retainer 3, second heat retainer 41 has been seted up in the second heat retainer 4, put into first heat retainer 3 with collector 1, put into second heat retainer 4 with crystallizer 2, first heat retainer 31 and second heat retainer 41 respectively with constant temperature circulation water bath 11 and water bath pipe 6 intercommunication, constant temperature circulation water bath 11 provides invariable temperature, make crystallizer 2, collector 1 and heat preservation pipe 5 all be in the constant temperature state, prevent in the hot filtration test, the temperature deviation appears, the crystallization phenomenon appears along with the great material solution of temperature variation to lead to the solubility, influence test progress.
The working principle of the laboratory heat preservation, thermal filtration and crystallization device is as follows:
in practical application, referring to fig. 1, a collector 1 is placed in a first heat retainer 3, a crystallizer 2 is placed in a second heat retainer 4, and the collector 1 is communicated with the crystallizer 2 through a heat retaining pipe 5.
Then, the first heat retainer 3 is communicated with the heat retaining pipe 5 and the second heat retainer 4 in sequence, and the first heat retainer 3 and the second heat retainer 4 are communicated with the constant temperature circulating water bath 11.
Finally, pour the solution to be tested into the crystallizer 2 through first inlet 10 to seal through sealed plug, collector 1 passes through connector 9 and air pump intercommunication, and the air pump draws the solution in the crystallizer 2 in the collector 1 through insulating tube 5, carries out the hot filtration experiment, and constant temperature circulation water bath 11 provides invariable temperature, makes crystallizer 2, collector 1 and insulating tube 5 all be in constant temperature state, prevents in the hot filtration experiment that temperature deviation from appearing, leads to the solubility to appear crystallization phenomenon along with the great material solution of temperature variation, influences test progress.
Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.
Claims (7)
1. The utility model provides a laboratory heat preservation hot filtration crystallization device which characterized in that: comprises a collector (1) and a crystallizer (2);
the collector (1) is communicated with the crystallizer (2) through a heat preservation pipe (5); the heat preservation pipe (5) is communicated with the constant temperature circulating water bath (11) to form a heat preservation loop;
the crystallizer is characterized in that a first liquid inlet (10) for collecting solution is formed in the crystallizer (2), a connecting port (9) connected with an air pump is formed in the collector (1), the air pump drives the solution in the crystallizer (2), and the solution is extracted into the collector (1) through a heat preservation pipe (5) to carry out a thermal filtration experiment.
2. The laboratory adiabatic heat filtration crystallization device of claim 1, wherein: the heat preservation pipe (5) comprises a water bath pipe (6), and the water bath pipe (6) is communicated with a constant temperature circulating water bath (11); the inside of the water bath pipe (6) is hollow, and a connecting pipe (7) is arranged in the hollow water bath pipe (6).
3. The laboratory adiabatic heat filtration crystallization device of claim 2, wherein: a second liquid inlet (12) is formed in the collector (1), and a liquid outlet (13) is formed in the crystallizer (2); one end of the connecting pipe (7) is inserted into the second liquid inlet (12), and the other end of the connecting pipe (7) is inserted into the liquid outlet (13) to communicate the collector (1) with the crystallizer (2).
4. A laboratory adiabatic heat filtration crystallization device according to claim 3, wherein: one end of the connecting pipe (7) inserted into the liquid outlet (13) extends to the bottom of the crystallizer (2), and a sand filtering funnel (8) is arranged at the end part of the connecting pipe (7) extending to the bottom of the crystallizer (2).
5. The laboratory adiabatic heat filtration crystallization device of claim 2, wherein: the collector (1) is provided with a first heat preservation device (3) outside, a first heat preservation cavity (31) is arranged in the first heat preservation device (3), and the first heat preservation cavity (31) is communicated with the outlet end of the constant temperature circulating water bath (11) and the inlet end of the water bath pipe (6).
6. The laboratory adiabatic heat filtration crystallization device of claim 5, wherein: the crystallizer is characterized in that a second heat preservation device (4) is arranged outside the crystallizer (2), a second heat preservation cavity (41) is arranged in the second heat preservation device (4), and the second heat preservation cavity (41) is respectively communicated with the loop end of the constant temperature circulating water bath (11) and the outlet end of the water bath pipe (6).
7. The laboratory adiabatic heat filtration crystallization device of claim 1, wherein: the crystallizer (2) is provided with a stirring port (14), and a stirrer (15) is arranged in the stirring port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073837.3U CN219091146U (en) | 2023-01-10 | 2023-01-10 | Laboratory heat preservation heat filtration crystallization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320073837.3U CN219091146U (en) | 2023-01-10 | 2023-01-10 | Laboratory heat preservation heat filtration crystallization device |
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| Publication Number | Publication Date |
|---|---|
| CN219091146U true CN219091146U (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320073837.3U Active CN219091146U (en) | 2023-01-10 | 2023-01-10 | Laboratory heat preservation heat filtration crystallization device |
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| CN (1) | CN219091146U (en) |
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2023
- 2023-01-10 CN CN202320073837.3U patent/CN219091146U/en active Active
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