Multi-level hydrochloric acid rectification and purification device

Abstract

The utility model relates to the field of chemical production, in particular to a multi-level hydrochloric acid rectifying and purifying device. The multi-level hydrochloric acid rectifying and purifying device comprises a support frame, an experiment table, a controller, a heating tank, a three-necked flask, a first rectifying tower, a second rectifying tower, a condensing pipe, a connecting pipe, a baffle plate and the like, an experiment table is placed on the right side of the supporting frame, a controller is fixedly connected to the front portion of the experiment table, a heating groove is fixedly connected to the top of the experiment table, three-necked flasks are placed in the heating groove, and a first rectifying tower and a second rectifying tower are clamped to middle bottle openings of the three-necked flasks on the left side and the right side respectively. By arranging the first rectifying tower and the second rectifying tower, multi-stage separation is realized, the purity of hydrochloric acid is remarkably improved in the multi-stage separation process, and energy utilization can be optimized in each tower, unnecessary energy consumption is reduced, the whole rectifying process is optimized, and the product quality and the production efficiency are also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical production especially relates to a multilevel hydrochloric acid rectification purification device. BACKGROUND

[0002] Hydrochloric acid is the aqueous solution of hydrogen chloride, chemical formula is HCl, is a colorless or yellowish transparent liquid, has strong irritating smell and corrosive liquid, belongs to monovalent inorganic strong acid.

[0003] The rectification purification process is a kind of chemical process using the volatility difference of each component in liquid mixture, realizes separation and purification by multiple partial vaporization and condensation, and hydrochloric acid is widely used in industry and laboratory, and many applications have strict requirements on the purity of hydrochloric acid, impurities such as moisture, other acidic substances, metal ions in hydrochloric acid can be removed by rectification and purification, so as to improve the purity of hydrochloric acid.

[0004] The traditional hydrochloric acid purification method is mainly realized by electric heating rectification, when using this method to purify hydrochloric acid, there are problems of high energy consumption and small product quantity, in addition, when using some existing purification devices to purify hydrochloric acid, its structure is complex, and the operation process is complicated, so as to cause low working efficiency.

[0005] Therefore, a multilevel hydrochloric acid rectification purification device is particularly needed to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0006] In order to overcome the defects of high energy consumption and small product quantity of the existing device, the utility model provides a multilevel hydrochloric acid rectification purification device.

[0007] A multilevel hydrochloric acid rectification purification device, including support frame, experiment table, controller, heating tank, three neck flask, first rectification tower, second rectification tower, condenser pipe, connecting pipe, baffle, glass tube and collecting bottle, the right side of support frame is placed with experiment table, the front part of experiment table is fixedly connected with controller, the top of experiment table is fixedly connected with heating tank, the inside of heating tank is placed with three neck flask, the middle bottle mouth of left and right two sides three neck flasks is respectively clamped with first rectification tower and second rectification tower, and one condenser pipe is fixedly covered on the outside of second rectification tower, and the connecting pipe is connected and communicated between the top of first rectification tower and second rectification tower, and the middle bottle mouth of right side three neck flask is fixedly connected with baffle, the right side bottle mouth of right side three neck flask is clamped with glass tube, and the right side bottom of glass tube is fixedly connected with collecting bottle.

[0008] Optionally, the baffle body is arc-shaped, extends from the middle bottle mouth to the lower left side, and the baffle is made of glass.

[0009] Optionally, the rear side of first rectification tower and the rear side of condenser pipe are fixedly connected with the upper part of support frame.

[0010] Optionally, the right side of the collecting bottle is provided with an outlet.

[0011] Optionally, the support frame is provided with a storage cabinet at the top of the left side, and the front side of the storage cabinet is symmetrically provided with a cabinet door connected through a hinge.

[0012] Optionally, the support frame is provided with a temperature sensor at the left side, and the temperature sensor is electrically connected to the controller.

[0013] Optionally, the support frame is provided with a heating pipe inside each heating groove, and the heating pipe is electrically connected to the controller.

[0014] Optionally, the support frame is provided with a universal wheel at each corner of the bottom.

[0015] The beneficial effects of the present application are as follows: 1. The first and second rectifying towers are provided, realizing multi-stage separation. The multi-stage separation process significantly improves the purity of hydrochloric acid. Through multi-stage rectification, energy utilization can be optimized in each tower, unnecessary energy consumption is reduced, the entire rectification process is optimized, and the quality and production efficiency of the product are improved.

[0016] 2. The storage cabinet is provided, providing a place for experimenters to centrally store reagents, tools and other items required for experiments. This not only facilitates experimental operation, but also keeps the experimental table clean and improves the convenience of operation.

[0017] 3. The arc-shaped baffle is provided, which can effectively guide the downward flow of liquid and prevent gas from flowing back into the liquid channel, thereby ensuring the separation effect of gas and liquid. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a three -neck flask and the like component's three -dimensional structure schematic diagram of support frame, experiment table.

[0019] Figure 2 The utility model discloses a three -neck flask and the like component's three -dimensional structure schematic diagram of support frame, experiment table.

[0020] Figure 3 The utility model discloses a three -neck flask and the like component's three -dimensional structure schematic diagram of support frame, experiment table.

[0021] Figure 4 The utility model discloses a three -neck flask and the like component's three -dimensional structure schematic diagram of support frame, experiment table.

[0022] Figure 5 The utility model discloses a three -neck flask and the like component's three -dimensional structure schematic diagram of support frame, experiment table.

[0023] Explanation of reference signs: 1: support frame, 2: experiment table, 3: controller, 4: heating tank, 5: three-necked flask, 6: first rectifying column, 7: second rectifying column, 8: condenser tube, 9: connecting pipe, 10: baffle, 11: glass tube, 12: collection bottle, 13: storage cabinet, 14: temperature sensor, 15: heating pipe, 16: universal wheel. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are described below with reference to the drawings.

[0025] Embodiment: a multilevel hydrochloric acid rectification purification device, as shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , including support frame 1, experiment table 2, controller 3, heating tank 4, three-necked flask 5, first rectifying column 6, second rectifying column 7, condenser tube 8, connecting pipe 9, baffle 10, glass tube 11 and collection bottle 12, support frame 1 right side lower part is placed with experiment table 2, and the left side of experiment table 2 front part is connected with controller 3 by bolt, and the top of experiment table 2 is installed with heating tank 4 left and right symmetry, and heating tank 4 inside is placed with three-necked flask 5, and the middle bottle mouth of left and right two three-necked flasks 5 is respectively clamped with first rectifying column 6 and second rectifying column 7, and the outer side of second rectifying column 7 is fixed with a condenser tube 8 by buckle, and the rear side of first rectifying column 6 and the rear side of condenser tube 8 are all connected with the upper part of support frame 1 by bolt, and the top of first rectifying column 6 and second rectifying column 7 is connected and communicated with connecting pipe 9, and the middle bottle mouth of right three-necked flask 5 is equipped with baffle 10, and the main part of baffle 10 is arc, and it extends from the middle bottle mouth to left lower side, and baffle 10 is glass material, and the right side bottle mouth of right three-necked flask 5 is clamped with glass tube 11, and the right side bottom of glass tube 11 is clamped with collection bottle 12, and the right side lower part of collection bottle 12 is equipped with outlet.

[0026] As shown in Figure 1 , Figure 2 and Figure 5 , it also includes universal wheel 16, and the four corners of support frame 1 bottom are respectively arranged with universal wheel 16.

[0027] When the experimenter needs to use the device to carry out multilevel rectification and purification on hydrochloric acid solution, the experimenter first needs to wear protective equipment, choose protective glasses or full face mask that meet safety standards, ensure good sealing, prevent hydrochloric acid vapor or liquid from splashing into eyes, avoid chemical burns, after the experimenter takes protective measures, the device can be moved to the designated position, then the hydrochloric acid solution to be purified is poured into the left side of the three-necked flask 5 left side bottle mouth, so that the hydrochloric acid solution to be purified enters the left side of the three-necked flask 5.

[0028] Then the cooling water is connected from the lower end of the condenser tube 8, so that the cooling water enters from the lower end of the condenser tube 8 and flows out from the upper end, which can ensure that the cooling water fully contacts the hydrochloric acid vapor in the condenser tube 8, so as to achieve the best cooling effect. When the cooling water flows in the condenser tube 8, it can absorb the heat of the hydrochloric acid vapor, so that the vapor is condensed into liquid.

[0029] As Figure 5 shown, it also includes a heating tube 15, and each heating groove 4 is internally provided with a heating tube 15, and the heating tube 15 is electrically connected with the controller 3.

[0030] The heating tube 15 generates heat under the control of the controller 3, and the heat is transferred to the three-neck flask 5, so that the hydrochloric acid solution in the three-neck flask 5 is continuously heated. The components with lower boiling points in the heated hydrochloric acid solution will vaporize into gas and rise into the first rectifying tower 6. After the hydrochloric acid vapor enters the first rectifying tower 6, the gas will undergo multiple gas-liquid exchanges in the tower, so that the components with different boiling points are further separated. Through the first rectifying tower 6, not only the preliminary separation and purification of hydrochloric acid are realized, but also the yield of hydrochloric acid is effectively ensured.

[0031] The relatively pure hydrogen chloride vapor enters the second rectifying tower 7 through the connecting pipe 9. The condenser tube 8 outside the second rectifying tower 7 can cool the hydrogen chloride vapor inside the second rectifying tower 7, so that the hydrogen chloride vapor is re-liquefied and flows into the flask from the middle bottle opening of the right three-neck flask 5.

[0032] Under the blocking action of the arc-shaped baffle 10, when the hydrogen chloride liquid passes through the baffle 10, the baffle 10 forms a curved surface in space, which can better guide the hydrogen chloride liquid into the right three-neck flask 5. At the same time, it ensures that the right three-neck flask 5 generates hydrogen chloride vapor with higher purity. From the right side of the three-neck flask 5, the hydrogen chloride vapor enters the collection bottle 12 through the glass tube 11, and then enters the next process from the lower right outlet of the collection bottle 12.

[0033] As Figure 1 and Figure 5 shown, it also includes a temperature sensor 14, and the temperature sensor 14 is placed on the left side of the support frame 1. The temperature sensor 14 is electrically connected with the controller 3.

[0034] The temperature sensor 14 can monitor the temperature change outside the first rectifying tower 6 and the second rectifying tower 7 in real time. If the temperature of a certain area abnormally rises, it may indicate that the heating system or the cooling system has a problem. Once the temperature anomaly is found, the temperature sensor 14 can timely send an alarm and take measures to avoid safety problems caused by too high or too low temperature. The experimental personnel can maintain the device in time through the signal of the temperature sensor 14, which can reduce the damage and maintenance cost of the device.

[0035] As Figure 1and Figure 5 The support frame 1 is provided with a storage cabinet 13 at the top of the left side, and the front side of the storage cabinet 13 is symmetrically connected with cabinet doors through hinges.

[0036] The experiment personnel can rotate to open the cabinet doors, and store reagents, tools or other articles required by the experiment in the storage cabinet 13. The storage cabinet 13 not only facilitates the experimental operation, but also keeps the experiment table 2 clean, improves the convenience of operation and the overall management efficiency of the laboratory.

[0037] After the multi-stage separation of hydrochloric acid is completed, the experiment personnel can close the electrical elements of the device by the controller 3, and move the device to a suitable position.

[0038] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A multi-stage hydrochloric acid distillation and purification apparatus, characterized in that, The system includes a support frame (1), an experimental platform (2), a controller (3), a heating tank (4), a three-necked flask (5), a first distillation column (6), a second distillation column (7), a condenser (8), a connecting pipe (9), a baffle (10), a glass tube (11), and a collection bottle (12). The experimental platform (2) is placed on the right side of the support frame (1). The controller (3) is fixed to the front of the experimental platform (2). The heating tank (4) is fixed to the top of the experimental platform (2). Three-necked flasks (5) are placed inside the heating tank (4). The middle mouths of the two three-necked flasks (5) are respectively fitted with a first distillation column (6) and a second distillation column (7). A condenser tube (8) is fixedly fitted on the outside of the second distillation column (7) by a buckle. The tops of the first distillation column (6) and the second distillation column (7) are connected and communicated by a connecting pipe (9). A baffle (10) is fixedly connected to the middle mouth of the three-necked flask (5) on the right side. A glass tube (11) is fitted to the right mouth of the three-necked flask (5) on the right side. A collection bottle (12) is fixedly connected to the bottom right side of the glass tube (11).

2. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 1, characterized in that, The main body of the baffle (10) is arc-shaped, extending from the middle bottle opening to the lower left side, and the baffle (10) is made of glass.

3. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 2, characterized in that, The rear side of the first distillation column (6) and the rear side of the condenser (8) are both fixed to the upper part of the support frame (1).

4. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 3, characterized in that, The collection bottle (12) has an outlet on its right side.

5. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 4, characterized in that, It also includes a storage cabinet (13), with the storage cabinet (13) located on the top left side of the support frame (1), and the storage cabinet (13) has doors symmetrically connected to the front left and right sides by hinges.

6. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 5, characterized in that, It also includes a temperature sensor (14), which is placed on the left side of the support frame (1) and is electrically connected to the controller (3).

7. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 6, characterized in that, It also includes a heating tube (15), and each heating tank (4) is fixedly connected to a heating tube (15), and the heating tube (15) is electrically connected to the controller (3).

8. The multi-stage hydrochloric acid distillation and purification apparatus according to claim 7, characterized in that, It also includes casters (16), with casters (16) arranged at each corner of the bottom of the support frame (1).

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