Evaporation and crystallization integrated equipment

Abstract

The utility model discloses evaporation and crystallization integrated equipment which comprises a crystallization tank, a spiral material lifting barrel for conveying crystals upwards is installed on the inner side of the crystallization tank, an exhaust pipe is fixed to the position, close to the left side, of the upper surface of the crystallization tank, and the upper end of the spiral material lifting barrel penetrates through the top of the crystallization tank. The lower end of the spiral lifting barrel extends to the bottom of the inner side of the crystallizing tank, and a heating chamber is arranged at the lower end of the crystallizing tank. Liquid in the heating chamber is conveyed to the dispersing pipe through the liquid pump and the liquid conveying pipe and is uniformly conveyed into the crystallizing tank, at the moment, crystal substances are filtered out through the filter screen hopper and are conveyed into the spiral material lifting barrel, and meanwhile, uncrystallized liquid is concentrated at the bottom in the crystallizing tank to be continuously crystallized and downwards settled; at the moment, the continuously working spiral lifting barrel lifts the crystal substances filtered by the filter screen hopper and the crystal substances precipitated in the crystallizing tank upwards and discharges the crystal substances outwards, so that the crystal substances are cleaned and discharged in real time, and the accumulation of the crystal substances can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporation and crystallization, in particular to an integrated evaporation and crystallization device. Background Art

[0002] Evaporation crystallization refers to the process of separating the solvent from the solute by increasing the temperature and polymerizing the solute into a solid (crystal).

[0003] The Chinese patent with announcement number CN203425537U discloses an integrated evaporation and crystallization device, including a vapor-liquid separator and a crystallizer, the vapor-liquid separator has a top exhaust port and a middle feed port, the crystallizer has a middle liquid outlet and a bottom outlet, the vapor-liquid separator is connected to the top of the crystallizer, the bottom of the vapor-liquid separator has a central circulation pipe extending into the crystallizer, and a vapor phase pipe is connected between the crystallizer and the vapor-liquid separator. The integrated evaporation and crystallization device of the utility model has the advantages of short circulation route, less heat energy loss and high crystallization efficiency.

[0004] When the above-mentioned integrated evaporation and crystallization equipment is crystallizing the liquid, the crystals will be concentrated and precipitated at the bottom discharge port. It does not have the function of cleaning and discharging the crystals in real time. It is easy for the crystals to accumulate, making it inconvenient to clean and handle the crystals. At the same time, the precipitated and accumulated crystals are easy to cause the bottom discharge port to be blocked, thus affecting the normal crystallization work. Utility Model Content

[0005] In order to solve the problem that the above-mentioned integrated evaporation and crystallization equipment does not have the function of cleaning and discharging the crystals in real time, the present application provides an integrated evaporation and crystallization equipment, which adopts the following technical solution:

[0006] An integrated evaporation and crystallization device comprises a crystallization tank, wherein a spiral lifting barrel for conveying crystallized material upward is installed on the inner side of the crystallization tank, and the upper surface of the crystallization tank is fixed to an exhaust pipe near the left side, the upper end of the spiral lifting barrel penetrates the top of the crystallization tank, and the lower end of the spiral lifting barrel extends to the inner bottom of the crystallization tank, a heating chamber is arranged at the lower end of the crystallization tank, and the heating chamber is connected to a liquid pump through a pipeline, and the liquid outlet of the liquid pump is connected to a liquid delivery pipe, a dispersion pipe connected to the liquid delivery pipe is installed near the upper end of the inner side of the crystallization tank, and a filter net bucket is arranged at the lower side of the crystallization tank, a feed port connected to the inner bottom of the filter net bucket is opened on the outer side wall of the spiral lifting barrel, a reflux pipe connected to the heating chamber is fixed near the lower end of the crystallization tank, and a valve is installed on the reflux pipe.

[0007] Optionally, a spiral blade rod is installed on the inner side of the spiral lifting barrel, and the upper end of the central axis of the spiral blade rod passes through the top of the spiral lifting barrel and is connected to a motor, and a discharge pipe is fixed on the right side of the spiral lifting barrel near the upper end.

[0008] Optionally, the dispersion pipe comprises an annular pipe, and a plurality of evenly arranged nozzles are fixed to the lower side of the annular pipe.

[0009] Optionally, a collecting hopper is fixed near the lower end of the crystallization tank, and a sedimentation tank is fixed at the lower end of the collecting hopper.

[0010] Optionally, a support ring is fixed to the outer edge of the filter net bucket, and a ferrule is fixed to the inner center of the filter net bucket.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, the liquid in the heating chamber is sent to the dispersion pipe and evenly sent into the crystallization tank through the liquid pump and the liquid sending pipe. At this time, the crystals are filtered out through the filter net bucket and sent into the spiral lifting cylinder. At the same time, the uncrystallized liquid is concentrated at the bottom of the crystallization tank to continue to crystallize and precipitate downwards. At this time, the continuously working spiral lifting cylinder lifts the crystals filtered out by the filter net bucket and the precipitated crystals in the crystallization tank upwards and discharges them outwards, thereby realizing real-time cleaning and discharge of the crystals, thereby effectively avoiding the accumulation of crystals. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a cross-sectional view of an integrated evaporation and crystallization device of the utility model;

[0015] Figure 2 It is a schematic diagram of a spiral lifting barrel of an evaporation and crystallization integrated equipment shown in the utility model;

[0016] Figure 3 It is a schematic diagram of a dispersion pipe of an integrated evaporation and crystallization device shown in the utility model;

[0017] Figure 4 It is a schematic diagram of a crystallization tank of an integrated evaporation and crystallization device shown in the utility model;

[0018] Figure 5 It is a schematic diagram of a filter screen bucket of an evaporation and crystallization integrated device shown in the utility model.

[0019] In the figure: 1. Heating chamber; 2. Liquid pump; 3. Liquid delivery pipe; 4. Crystallization tank; 41. Collection bucket; 42. Sedimentation tank; 5. Dispersion pipe; 51. Ring pipe; 52. Spray pipe; 6. Exhaust pipe; 7. Spiral lifting barrel; 71. Discharge pipe; 72. Motor; 73. Spiral blade rod; 74. Feed inlet; 8. Filter net bucket; 81. Support ring; 82. Ferrule; 9. Reflux pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0021] Please refer to Figure 1 and Figure 2 As shown, an integrated evaporation and crystallization device comprises a crystallizer 4, a spiral lifting barrel 7 for conveying the crystals upward is installed on the inner side of the crystallizer 4, and the upper surface of the crystallizer 4 is fixed to the exhaust pipe 6 near the left side, the upper end of the spiral lifting barrel 7 passes through the top of the crystallizer 4, and the lower end of the spiral lifting barrel 7 extends to the inner bottom of the crystallizer 4, a heating chamber 1 is provided at the lower end of the crystallizer 4, and the heating chamber 1 is connected with a liquid pump 2 through a pipeline, and the liquid outlet end of the liquid pump 2 is connected with a liquid feeding pipe 3, a dispersion pipe 5 connected with the liquid feeding pipe 3 is installed near the upper end of the inner side of the crystallizer 4, and a filter net bucket 8 is provided on the lower side of the crystallizer 4, a feed port 74 connected to the inner bottom of the filter net bucket 8 is provided on the outer side wall of the spiral lifting barrel 7, and a A reflux pipe 9 connected to the heating chamber 1 and provided with a valve, the reflux pipe 9 is opened to allow the reflux pipe 9 to send the precipitated liquid in the crystallizer 4 back to the heating chamber 1 for further heating and circulating crystallization treatment, and the liquid in the heating chamber 1 is sent to the dispersion pipe 5 and evenly sent into the crystallizer 4 through the liquid pump 2 and the liquid sending pipe 3, at which time the crystals are filtered out through the filter net bucket 8 and sent into the spiral lifting barrel 7, while the uncrystallized liquid is concentrated at the bottom of the crystallizer 4 for further crystallization and downward precipitation, and the spiral lifting barrel 7 which is constantly working at this time lifts the crystals filtered out by the filter net bucket 8 and the precipitated crystals in the crystallizer 4 upward and discharges them outward, thereby achieving real-time cleaning and discharge of the crystals, thereby effectively avoiding the accumulation of crystals.

[0022] Please refer to Figure 2 As shown, a spiral blade rod 73 is installed on the inner side of the spiral lifting barrel 7, and the upper end of the central axis of the spiral blade rod 73 passes through the top of the spiral lifting barrel 7 and is connected to a motor 72. A discharge pipe 71 is fixed on the right side of the spiral lifting barrel 7 near the upper end. The spiral blade rod 73 is driven by the motor 72 to rotate continuously, thereby lifting the crystals upward and discharging them to the outside through the discharge pipe 71.

[0023] Please refer to Figure 3 As shown, the dispersion pipe 5 includes an annular pipe 51, and a plurality of uniformly arranged nozzles 52 are fixed to the lower side of the annular pipe 51. The plurality of nozzles 52 on the lower side of the annular pipe 51 uniformly spray the liquid toward the filter net 8, thereby achieving more uniform filtration.

[0024] Please refer to Figure 4 As shown, a collecting hopper 41 is fixed near the lower end of the crystallization tank 4 for collecting liquid, and a sedimentation tank 42 is fixed at the lower end of the collecting hopper 41 for collecting precipitated crystals.

[0025] Please refer to Figure 5 As shown, a support ring 81 is fixed to the outer edge of the filter net bucket 8 for supporting the filter net bucket 8 , and a ferrule 82 is fixed to the inner center of the filter net bucket 8 for being sleeved on the outer side of the spiral lifting barrel 7 .

[0026] Working principle: The heating chamber 1 heats the liquid and sends the liquid in the heating chamber 1 to the dispersion pipe 5 and evenly into the crystallization tank 4 through the liquid pump 2 and the liquid delivery pipe 3. At this time, the crystals are filtered out through the filter net 8 and sent into the spiral lifting barrel 7. At the same time, the uncrystallized liquid is concentrated at the bottom of the crystallization tank 4 to continue to crystallize and settle downward in the sedimentation tank 42. At this time, the motor 72 drives the spiral blade rod 73 to rotate continuously, thereby lifting the crystals upward and discharging them to the outside through the discharge pipe 71.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An integrated evaporation and crystallization device, comprising a crystallization tank (4), characterized in that: A spiral lifting cylinder (7) for conveying the crystallized material upward is installed on the inner side of the crystallizer (4), and the upper surface of the crystallizer (4) is fixed to the exhaust pipe (6) near the left side, the upper end of the spiral lifting cylinder (7) passes through the top of the crystallizer (4), and the lower end of the spiral lifting cylinder (7) extends to the inner bottom of the crystallizer (4), and the lower end of the crystallizer (4) is provided with a heating chamber (1), and the heating chamber (1) is connected to a liquid pump (2) through a pipeline, and the liquid pump (2) The liquid outlet end is connected to a liquid delivery pipe (3); a dispersion pipe (5) connected to the liquid delivery pipe (3) is installed on the inner side of the crystallizer (4) near the upper end; a filter net bucket (8) is arranged on the lower side of the crystallizer (4); a feed port (74) connected to the inner bottom of the filter net bucket (8) is opened on the outer side wall of the spiral lifting cylinder (7); a reflux pipe (9) connected to the heating chamber (1) is fixed near the lower end of the crystallizer (4); and a valve is installed on the reflux pipe (9).

2. The evaporation and crystallization integrated equipment according to claim 1, characterized in that: A spiral blade rod (73) is installed on the inner side of the spiral lifting barrel (7), and the upper end of the central axis of the spiral blade rod (73) passes through the top of the spiral lifting barrel (7) and is connected to a motor (72). A discharge pipe (71) is fixed on the right side of the spiral lifting barrel (7) near the upper end.

3. The evaporation and crystallization integrated equipment according to claim 1, characterized in that: The dispersion pipe (5) comprises an annular pipe (51), and a plurality of uniformly arranged nozzles (52) are fixed on the lower side of the annular pipe (51).

4. The evaporation and crystallization integrated equipment according to claim 1, characterized in that: A collecting hopper (41) is fixed near the lower end of the crystallization tank (4), and a sedimentation tank (42) is fixed at the lower end of the collecting hopper (41).

5. The evaporation and crystallization integrated equipment according to claim 1, characterized in that: A support ring (81) is fixed to the outer edge of the filter net bucket (8), and a collar (82) is fixed to the inner center of the filter net bucket (8).

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