Multi-stage vacuum evaporator

Abstract

The utility model discloses a multistage vacuum evaporator, which belongs to the technical field of vacuum evaporators and comprises a base, a liquid collecting box is slidably mounted on one side of the top of the base, a heating plate is slidably mounted on one side, far away from the liquid collecting box, of the top of the base, and a reaction box is fixedly mounted on the top of the base. An evaporation cavity is formed in one side in the reaction box. According to the multi-stage vacuum evaporator, the evaporation cavity, the buffer cavity, the raw material cavity, the guide slope, the liquid guide groove and the spiral condensation pipe are arranged, steam generated by heating in the evaporation cavity is input and immersed in the spiral condensation pipe in the raw material cavity to be condensed, liquid in the raw material cavity is preheated while condensation is conducted, and cyclic utilization of heat energy is achieved; the utilization rate of heat energy is improved, liquid remaining in the evaporation cavity, the buffer cavity and the raw material cavity after evaporation reaction is guided to the liquid guide groove under the guiding effect of the inclined face of the guide slope to be concentrated, and the remaining liquid can be conveniently and completely discharged from the liquid discharge valve.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum evaporators, in particular to a multi-stage vacuum evaporator. Background Art

[0002] Evaporation is the physical process of converting liquid into gas. Generally speaking, an evaporator is an object that converts liquid substances into gas. The multi-stage vacuum evaporator is mainly composed of two parts: a heating chamber and an evaporation chamber. The heating chamber provides the liquid with the heat required for evaporation, causing the liquid to boil and vaporize, and the evaporation chamber completely separates the gas and liquid phases.

[0003] When the existing multi-stage vacuum evaporator discharges the liquid remaining in the evaporation chamber and the raw material chamber after the liquid is heated and evaporated, the operator needs to dump the entire reaction box and then discharge the remaining liquid. Since the reaction box is large in size and the liquid inside has a certain weight, it is not convenient to dump the reaction box to discharge, so improvement is needed. Utility Model Content

[0004] In order to overcome the above-mentioned defects, the utility model provides a multi-stage vacuum evaporator, which solves the problem that when the existing multi-stage vacuum evaporator discharges the liquid remaining after heating and evaporation, the operator needs to dump the entire reaction box to discharge the liquid. Since the reaction box is large in size and contains liquid with a certain weight, it is difficult to dump the reaction box.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage vacuum evaporator, comprising a base, a liquid collecting box is slidably mounted on one side of the top of the base, a heating plate is slidably mounted on the side of the top of the base away from the liquid collecting box, a reaction box is fixedly mounted on the top of the base, an evaporation chamber is arranged on one side of the interior of the reaction box, and the evaporation chamber corresponds to the liquid collecting box, a stirring mechanism is arranged on the top of the evaporation chamber, a buffer chamber is arranged at the central position of the interior of the reaction box, and a first rectangular groove is arranged between the evaporation chamber and the buffer chamber;

[0006] A raw material chamber is provided inside the reaction box, which is located on the side of the buffer chamber away from the evaporation chamber. A spiral condenser is provided inside the raw material chamber, and the input end of the spiral condenser is connected to the top of the evaporation chamber, and the output end of the spiral condenser passes through the bottom of one side of the raw material chamber and corresponds to the liquid collecting box. A second rectangular groove is provided at the bottom between the buffer chamber and the raw material chamber, guide slopes are provided on both sides of the bottom of the evaporation chamber and the bottom of the buffer chamber, and a liquid guide groove is provided at one end of the guide slope, and a drain valve is provided on the outside of the liquid guide groove of the reaction box.

[0007] As a further solution of the utility model: a first slot and a second slot are respectively provided on both sides of the top of the base, a first slide groove is provided at the bottom of both sides of the inner wall of the first slot, and a second slide groove is provided at the bottom of both sides of the inner wall of the second slot.

[0008] As a further solution of the utility model: first slide bars are fixedly installed on the bottom of both sides of the liquid collecting box, and the first slide bars correspond to the first slide grooves, and two groups of first handles are symmetrically fixedly installed on one side of the liquid collecting box.

[0009] As a further solution of the utility model: second slide bars are fixedly installed at the bottom of both sides of the heating plate, and the second slide bars correspond to the second slide grooves, a heating wire is embedded in an S shape on the top of the heating plate, and a second handle is fixedly installed at the central position of one side of the heating plate.

[0010] As a further solution of the utility model: the stirring mechanism includes a stirring shaft, a stirring blade is fixedly installed on the bottom end of the stirring shaft located inside the evaporation chamber, and a first bevel gear is fixedly installed on the top end of the stirring shaft extending through the evaporation chamber to the top of the reaction box.

[0011] As a further solution of the utility model: a stirring motor is fixedly installed on one side of the first bevel gear at the top of the reaction box, and a second bevel gear is fixedly installed on the output end of the stirring motor, and the second bevel gear is meshed with the first bevel gear.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The multi-stage vacuum evaporator is provided with an evaporation chamber, a buffer chamber, a raw material chamber, a guide slope, a liquid guide groove and a spiral condenser tube. The steam generated by heating inside the evaporation chamber is input into the spiral condenser tube immersed in the raw material chamber for condensation. During condensation, the liquid inside the raw material chamber is preheated, so as to realize the recycling of thermal energy and improve the utilization rate of thermal energy. The liquid remaining in the evaporation chamber, the buffer chamber and the raw material chamber after the evaporation reaction is guided to the liquid guide groove for concentration under the guiding action of the inclined surface of the guide slope, so that the residual liquid can be discharged from the drain valve conveniently.

[0014] 2. The multi-stage vacuum evaporator is provided with a stirring shaft, a stirring blade, a first bevel gear, a stirring motor and a second bevel gear. When the liquid inside the evaporation chamber is heated and evaporated, the stirring motor is started to drive the second bevel gear to rotate, thereby controlling the first bevel gear meshing with the second bevel gear to drive the stirring shaft to rotate synchronously, so that the stirring blade is stirred in the high-temperature liquid, ensuring that the liquid is heated evenly when the liquid is heated and evaporated inside the evaporation chamber.

[0015] 3. The multi-stage vacuum evaporator is provided with a base, a liquid collecting box, a heating plate and a heating wire. After the heating wire is coiled in an S shape and fixed on the top of the heating plate, the heating plate is controlled to be inserted into the top of one side of the base, and the liquid collecting box is inserted into the side of the base away from the heating plate. After the liquid to be reacted is poured into the reaction box, the power is turned on, so that the heating wire starts to heat the liquid in the evaporation chamber. At the same time, the steam generated by the heating is condensed into liquid in the raw material chamber through the spiral condenser tube and guided to the liquid collecting box for centralized treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the unfolded structure of the utility model;

[0017] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the base, liquid collecting box and heating plate of the utility model;

[0018] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the reaction box, spiral condenser tube and stirring mechanism of the utility model;

[0019] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the reaction box of the utility model;

[0020] In the figure: 1. base; 101. first slot; 102. first slide; 103. second slot; 104. second slide; 2. liquid collecting box; 201. first slide; 202. first handle; 3. heating plate; 301. second slide; 302. heating wire; 303. second handle; 4. reaction box; 401. evaporation chamber; 402. buffer chamber; 403. raw material chamber; 404. first rectangular groove; 405. second rectangular groove; 406. guide slope; 407. liquid guide groove; 5. spiral condenser; 6. stirring mechanism; 601. stirring shaft; 602. stirring blade; 603. first bevel gear; 604. stirring motor; 605. second bevel gear; 7. drain valve. DETAILED DESCRIPTION

[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0022] like Figure 1-4 As shown, the utility model provides a technical solution: a multi-stage vacuum evaporator, including a base 1, a first slot 101 and a second slot 103 are respectively provided on both sides of the top of the base 1, a first slide groove 102 is provided at the bottom of both sides of the inner wall of the first slot 101, and a second slide groove 104 is provided at the bottom of both sides of the inner wall of the second slot 103. By providing the first slide groove 102 and the second slide groove 104, the liquid collecting box 2 and the heating plate 3 can be inserted into the designated position on the top of the base 1.

[0023] A liquid collecting box 2 is slidably installed on one side of the top of the base 1, and first slide bars 201 are fixedly installed on the bottom of both sides of the liquid collecting box 2, and the first slide bars 201 correspond to the first slide grooves 102. Two groups of first handles 202 are symmetrically fixedly installed on one side of the liquid collecting box 2. Because the liquid collecting box 2 is provided, the liquid condensed by the spiral condenser 5 is concentrated in the liquid collecting box 2 for centralized treatment.

[0024] A heating plate 3 is slidably installed on the top of the base 1, which is located on the side away from the liquid collecting box 2. Second slide bars 301 are fixedly installed on the bottom of both sides of the heating plate 3, and the second slide bars 301 correspond to the second slide grooves 104. A heating wire 302 is inlaid and installed in an S shape on the top of the heating plate 3. A second handle 303 is fixedly installed at the central position of one side of the heating plate 3. Because the heating wire 302 is provided, the S-shaped heating wire 302 is fixed on the top of the heating plate 3, which increases the heating area of ​​the evaporation chamber 401 by the heating wire 302 and improves the heating evaporation speed.

[0025] A reaction box 4 is fixedly installed on the top of the base 1, and an evaporation chamber 401 is provided on one side inside the reaction box 4, and the evaporation chamber 401 corresponds to the liquid collecting box 2. A stirring mechanism 6 is provided on the top of the evaporation chamber 401, and the stirring mechanism 6 includes a stirring shaft 601. The stirring shaft 601 is located at the bottom end of the inner side of the evaporation chamber 401 and is fixedly installed with a stirring blade 602. The top end of the stirring shaft 601 passes through the evaporation chamber 401 and extends to the top of the reaction box 4 where a first bevel gear 603 is fixedly installed. Because the stirring blade 602 is provided, under the meshing action of the first bevel gear 603 and the second bevel gear 605, the rotation of the stirring motor 604 is transmitted to the stirring blade 602, so that the liquid inside the evaporation chamber 401 is stirred, so that the liquid is heated evenly when heated and evaporated.

[0026] A stirring motor 604 is fixedly installed on one side of the first bevel gear 603 at the top of the reaction box 4, and a second bevel gear 605 is fixedly installed on the output end of the stirring motor 604, and the second bevel gear 605 is meshed with the first bevel gear 603. Because the second bevel gear 605 is provided, when the stirring motor 604 is started to drive the second bevel gear 605 to rotate, the first bevel gear 603 is also driven to rotate, thereby providing power for the rotation of the stirring shaft 601.

[0027] A buffer chamber 402 is provided at the central position inside the reaction box 4, and a first rectangular groove 404 is provided between the evaporation chamber 401 and the buffer chamber 402; a raw material chamber 403 is provided inside the reaction box 4 at a side of the buffer chamber 402 away from the evaporation chamber 401. Due to the provision of the first rectangular groove 404, the liquid inside the raw material chamber 403 and the buffer chamber 402 can enter the evaporation chamber 401 only after reaching a certain volume, so as to avoid the bottom of the evaporation chamber 401 being burnt due to too fast evaporation of a small amount of liquid;

[0028] A spiral condenser tube 5 is provided inside the raw material chamber 403, and the input end of the spiral condenser tube 5 is connected to the top of the evaporation chamber 401, and the output end of the spiral condenser tube 5 passes through the bottom of one side of the raw material chamber 403 and corresponds to the liquid collecting box 2. Due to the provision of the spiral condenser tube 5, the contact area between the steam inside the spiral condenser tube 5 and the low-temperature liquid in the raw material chamber 403 is increased, thereby improving the condensation efficiency of the steam inside the spiral condenser tube 5;

[0029] A second rectangular groove 405 is provided at the bottom between the buffer chamber 402 and the raw material chamber 403, guide slopes 406 are provided on both sides of the bottom of the evaporation chamber 401 and the bottom of the buffer chamber 402, and a liquid guide groove 407 is provided at one end of the guide slope 406. The reaction box 4 is located on the outside of the liquid guide groove 407 and is provided with a drain valve 7. By providing the guide slope 406, the liquid inside the evaporation chamber 401 and the buffer chamber 402 is guided to the inside of the liquid guide groove 407, so that the liquid is concentrated in the liquid guide groove 407 and discharged through the drain valve 7.

[0030] The working principle of the utility model is:

[0031] Hold the first handle 202 to insert the first slide bars 201 on both sides of the liquid collecting box 2 into the first slide groove 102, so that the liquid collecting box 2 is inserted into the first slot 101, and at the same time, the heating wire 302 is coiled on the top of the heating plate 3, and then hold the second handle 303 to insert the second slide bars 301 on both sides of the heating plate 3 into the second slide groove 104, so that the heating plate 3 is inserted into the second slot 103, and the liquid to be evaporated is poured into the raw material chamber 403. The liquid flows into the buffer chamber 402 through the second rectangular groove 405 until the liquid soaks the first rectangular groove 404 and flows into the evaporation chamber 401. The heating wire 302 is connected to the power supply to start working, and the inside of the evaporation chamber 401 is heated. The liquid is heated and evaporated, and at the same time, the stirring motor 604 is started to drive the second bevel gear 605 to rotate. The second bevel gear 605 is meshed with the first bevel gear 603 to transmit the rotation to the stirring shaft 601, driving the stirring blade 602 to rotate inside the evaporation chamber 401 to stir the liquid, so that the liquid is heated evenly. The liquid is continuously heated and evaporated to generate steam, which is input into the spiral condenser 5 for condensation. The condensed liquid is discharged to the liquid collecting box 2 for centralized treatment. After the liquid in the evaporation chamber 401 evaporates for a certain period of time, the remaining concentrated liquid is concentrated in the liquid guide groove 407 through the guide slope 406, and the drain valve 7 is opened for discharge.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0033] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A multi-stage vacuum evaporator, comprising a base (1), characterized in that: A liquid collecting box (2) is slidably mounted on one side of the top of the base (1); a heating plate (3) is slidably mounted on the side of the top of the base (1) that is located away from the liquid collecting box (2); a reaction box (4) is fixedly mounted on the top of the base (1); an evaporation chamber (401) is provided on one side inside the reaction box (4), and the evaporation chamber (401) corresponds to the liquid collecting box (2); a stirring mechanism (6) is provided on the top of the evaporation chamber (401); a buffer chamber (402) is provided at a central position inside the reaction box (4), and a first rectangular groove (404) is provided between the evaporation chamber (401) and the buffer chamber (402); A raw material chamber (403) is provided inside the reaction box (4) at a side of the buffer chamber (402) away from the evaporation chamber (401); a spiral condenser (5) is provided inside the raw material chamber (403); the input end of the spiral condenser (5) is connected to the top of the evaporation chamber (401); the output end of the spiral condenser (5) passes through the bottom of one side of the raw material chamber (403) and corresponds to the liquid collecting box (2); a second rectangular groove (405) is provided at the bottom between the buffer chamber (402) and the raw material chamber (403); guide slopes (406) are provided on both sides of the bottom of the evaporation chamber (401) and the bottom of the buffer chamber (402); a liquid guide groove (407) is provided at one end of the guide slope (406); and a drain valve (7) is provided on the outside of the liquid guide groove (407) of the reaction box (4).

2. A multi-stage vacuum evaporator according to claim 1, characterized in that: A first slot (101) and a second slot (103) are respectively provided on both sides of the top of the base (1); first slide grooves (102) are provided at the bottom of both sides of the inner wall of the first slot (101); and second slide grooves (104) are provided at the bottom of both sides of the inner wall of the second slot (103).

3. A multi-stage vacuum evaporator according to claim 2, characterized in that: First slide bars (201) are fixedly mounted on the bottom of both sides of the liquid collecting box (2), and the first slide bars (201) correspond to the first slide grooves (102). Two sets of first handles (202) are symmetrically fixedly mounted on one side of the liquid collecting box (2).

4. A multi-stage vacuum evaporator according to claim 2, characterized in that: A second slide bar (301) is fixedly installed at the bottom of both sides of the heating plate (3), and the second slide bar (301) corresponds to the second slide groove (104). A heating wire (302) is embedded in an S-shape on the top of the heating plate (3), and a second handle (303) is fixedly installed at the central position of one side of the heating plate (3).

5. The multi-stage vacuum evaporator according to claim 1, characterized in that: The stirring mechanism (6) comprises a stirring shaft (601), a stirring blade (602) being fixedly mounted on the bottom end of the stirring shaft (601) located inside the evaporation chamber (401), and a first bevel gear (603) being fixedly mounted on the top end of the stirring shaft (601) extending through the evaporation chamber (401) to the top of the reaction box (4).

6. A multi-stage vacuum evaporator according to claim 5, characterized in that: A stirring motor (604) is fixedly mounted on one side of the first bevel gear (603) at the top of the reaction box (4), and a second bevel gear (605) is fixedly mounted on the output end of the stirring motor (604), and the second bevel gear (605) is meshed with the first bevel gear (603).

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