Novel liquid sodium hydrosulfide evaporative crystallization flaking device

Abstract

The utility model discloses a novel liquid sodium hydrosulfide evaporative crystallization flaking device, which belongs to the technical field of evaporative crystallization devices, and is characterized in that the inner wall of an evaporation device shell is fixedly connected with a first support plate, the surface of the first support plate is fixedly connected with an evaporation box, and the inner wall of the evaporation box is fixedly provided with a heater and a guide rail; according to the novel liquid sodium hydrosulfide evaporative crystallization flaking device, through the arrangement of the crystallization boxes with different heights in the evaporation box, the contact area with liquid sodium hydrosulfide can be increased, the evaporation speed is further increased, meanwhile, the crystallization boxes have the moving function, and therefore the crystallization efficiency is improved. The device is simple in structure and convenient to use, crystallized and flaked sodium hydrosulfide can be conveniently taken out, the use convenience is greatly improved, heat of steam generated by evaporation can be recycled through the first supporting plate, the suction fan, the recovery pipe and the second supporting plate, then the steam is discharged, energy consumption is greatly reduced, and the device has an energy-saving function.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporation crystallization devices, and more specifically to a novel liquid sodium hydrosulfide evaporation crystallization flake forming device. Background Art

[0002] Evaporation crystallization equipment is widely used in the pharmaceutical, fine chemical, bioengineering and other industries, including the evaporation crystallization of liquid sodium hydrosulfide. However, the contact area between the evaporation crystallization equipment and the liquid is small during use, which reduces the evaporation rate. In addition, it is not easy to quickly remove the crystal flakes, and the steam is directly discharged, resulting in energy waste.

[0003] For example, a high-efficiency evaporation crystallization device disclosed in announcement number CN204767564U includes an outer shell and an inner cavity, an insulation chamber and a cooling chamber are provided between the outer shell and the inner cavity, and a plurality of evaporation crystallization chambers are provided in the inner cavity.

[0004] It can be seen from the above-mentioned public scheme that the contact area between the evaporation crystallization chamber and the liquid is limited, which greatly reduces the evaporation rate of the liquid. In addition, it is not easy to remove the crystal flakes inside the evaporation crystallization chamber, and the steam outlet pipe is directly discharged after cooling through the cooling chamber, which consumes energy and wastes heat energy. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a novel liquid sodium hydrosulfide evaporation crystallization flake forming device. The novel liquid sodium hydrosulfide evaporation crystallization flake forming device can increase the contact area with the liquid sodium hydrosulfide and thus improve the evaporation rate by means of crystallization boxes with different heights arranged inside the evaporation box. At the same time, the crystallization box has a movable function, which is convenient for taking out the crystallized and flaked sodium hydrosulfide, greatly improving the convenience of use. Moreover, by means of the first support plate, the suction fan, the recovery pipe and the second support plate, the steam generated by evaporation can be recycled for heat utilization and then discharged, which greatly reduces the energy consumption and has the function of energy saving.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A novel liquid sodium hydrosulfide evaporation crystallization flake forming device comprises an evaporation device shell, the inner wall of the evaporation device shell is fixedly connected with a first support plate, the surface of the first support plate is fixedly connected with an evaporation box, the inner wall of the evaporation box is fixedly installed with a heater and a guide rail, the surface of the guide rail is slidably connected with a crystallization box, one end of the evaporation box is provided with a steam outlet, one side of the evaporation device shell is fixedly connected with a heat preservation shell, one side of the heat preservation shell is fixedly connected with a preheating box, the inner wall of the preheating box is fixedly connected with a second support plate, the surface of the second support plate is fixedly connected with a liquid storage tank, a delivery pump is fixedly installed on the side of the preheating box, a liquid suction pipe and a liquid adding pipe are provided on the surface of the delivery pump, and a liquid inlet is provided on the other side of the preheating box The invention discloses a novel liquid sodium hydrosulfide evaporation crystallization flake forming device, wherein the crystallization boxes with different heights arranged inside the evaporation box can not only increase the contact area with the liquid sodium hydrosulfide, but also improve the evaporation speed. At the same time, the crystallization box has a movable function, which is convenient for taking out the sodium hydrosulfide after crystallization and flake forming, thus greatly improving the convenience of use. Moreover, through the first support plate, the suction fan, the recovery pipe and the second support plate, the steam generated by evaporation can be recycled and then discharged, thus greatly reducing the energy consumption and having the function of energy saving.

[0008] Furthermore, the side of the evaporator housing is provided with equidistantly distributed openings, the inner wall of the opening is in contact with a sealing plate, one side of the sealing plate is provided with a handle, and the other side of the sealing plate is provided with symmetrical insulation rods, thereby ensuring the sealing of the opening and facilitating the rapid removal of the crystallization box from the evaporator housing.

[0009] Furthermore, a guide groove is provided at the bottom of the crystallization box, and the inner wall of the guide groove is in contact with the surface of the guide rail. A heating plate is provided inside the crystallization box, and an overflow hole is provided on the side of the crystallization box. A gap is left between the side of the crystallization box and the inner wall of the evaporation box to facilitate the liquid to flow downward into the lower crystallization box.

[0010] Furthermore, the cross-sectional shape of the heat-insulating rod is cylindrical, one end of the heat-insulating rod is fixedly connected to the end surface of the crystallization box, and the heat-insulating rod is made of high-temperature resistant non-heat-conductive material.

[0011] Furthermore, an adsorption block is fixedly embedded on the side of the sealing plate, and the adsorption block is made of a strong magnet to facilitate the positioning of the sealing plate.

[0012] Furthermore, the sides of the first support plate and the second support plate are provided with through holes to facilitate the circulation of steam.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In this solution, the crystallization boxes of different heights are arranged inside the evaporation box, which can not only increase the contact area with the liquid sodium hydrosulfide, thereby improving the evaporation rate, but also the crystallization box has the function of being movable, which is convenient for taking out the crystallized sodium hydrosulfide, thereby greatly improving the convenience of use.

[0015] (2) This solution can recover the heat of the steam generated by evaporation and then discharge it by setting up the first support plate, the suction fan, the recovery pipe and the second support plate, which greatly reduces the energy consumption and has the function of energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 for Figure 1 A magnified view of part A;

[0018] Figure 3 It is a side view of the first support plate structure of the utility model.

[0019] Description of the numbers in the figure:

[0020] 1 evaporation device shell, 11 opening, 12 first support plate, 13 through hole, 2 evaporation box, 21 guide rail, 22 crystallization box, 23 overflow hole, 24 insulation rod, 25 sealing plate, 26 adsorption block, 27 handle, 28 steam outlet, 3 preheating box, 31 liquid inlet pipe, 32 delivery pump, 33 liquid adding pipe, 34 exhaust pipe, 35 insulation shell, 36 drain pipe, 37 second support plate, 38 liquid storage tank, 4 suction fan, 41 sealing cover, 42 recovery pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0022] Example 1

[0023] See also Figure 1-3A novel liquid sodium hydrosulfide evaporation crystallization flake forming device comprises an evaporation device shell 1, the evaporation device shell 1 is provided with a heat preservation layer, the inner wall of the evaporation device shell 1 is fixedly connected with a first support plate 12, the first support plate 12 is a heat-conducting metal, which can increase the contact with the steam, so as to recover the heat, the surface of the first support plate 12 is fixedly connected with an evaporation box 2, the inner wall of the evaporation box 2 is fixedly installed with a heater and a guide rail 21, the surface of the guide rail 21 is slidably connected with a crystallization box 22, the crystallization boxes 22 are gradually widened from top to bottom, so that the liquid overflowing from the upper end crystallization box 22 can fall into the lower end crystallization box 22 for evaporation, one end of the evaporation box 2 is provided with a steam outlet 28, and one side of the evaporation device shell 1 is fixedly connected with a heat preservation shell 3 5. A preheating box 3 is fixedly connected to one side of the heat preservation shell 35. A heating device is arranged inside the preheating box 3, which belongs to the prior art. A second support plate 37 is fixedly connected to the inner wall of the preheating box 3. A liquid storage tank 38 is fixedly connected to the surface of the second support plate 37. A delivery pump 32 is fixedly installed on the side of the preheating box 3. A liquid suction pipe and a liquid adding pipe 33 are arranged on the surface of the delivery pump 32. One end of the liquid suction pipe is communicated with the inside of the liquid storage tank 38. A liquid inlet pipe 31 is arranged on the other side of the preheating box 3. An exhaust pipe 34 is arranged at one end of the preheating box 3. A drain pipe 36 and a suction fan 4 are arranged at the bottom of the preheating box 3. A sealing cover 41 is arranged at the suction end of the suction fan 4. A recovery pipe 42 is fixedly sleeved on the surface of the sealing cover 41. One end of the recovery pipe 42 is communicated with the inside of the evaporation device shell 1.

[0024] The side of the evaporation device shell 1 is provided with equidistantly distributed openings 11, and the inner wall of the opening 11 is in contact with a sealing plate 25. A handle 27 is provided on one side of the sealing plate 25, and a symmetrical insulation rod 24 is provided on the other side of the sealing plate 25, which ensures the sealing at the opening 11 and facilitates the crystallization box 22 to quickly take out the evaporation device shell 1. A guide groove is provided at the bottom of the crystallization box 22, and the inner wall of the guide groove is in contact with the surface of the guide rail 21. A heating plate is provided inside the crystallization box 22, and an overflow hole 23 is provided on the side of the crystallization box 22. A gap is left between the side of the crystallization box 22 and the inner wall of the evaporation box 2, so that the liquid can flow downward into the lower end crystallization box 22.

[0025] In this embodiment, the crystallization boxes 22 of different heights arranged inside the evaporation box 2 can not only increase the contact area with the liquid sodium hydrosulfide, thereby improving the evaporation rate, but also the crystallization box 22 has a movable function, which is convenient for taking out the crystallized sodium hydrosulfide, thereby greatly improving the convenience of use.

[0026] Example 2

[0027] See also Figure 1-3A novel liquid sodium hydrosulfide evaporation crystallization flake forming device comprises an evaporation device shell 1, the evaporation device shell 1 is provided with a heat preservation layer, the inner wall of the evaporation device shell 1 is fixedly connected with a first support plate 12, the first support plate 12 is a heat-conducting metal, which can increase the contact with the steam, so as to recover the heat, the surface of the first support plate 12 is fixedly connected with an evaporation box 2, the inner wall of the evaporation box 2 is fixedly installed with a heater and a guide rail 21, the surface of the guide rail 21 is slidably connected with a crystallization box 22, the crystallization boxes 22 are gradually widened from top to bottom, so that the liquid overflowing from the upper end crystallization box 22 can fall into the lower end crystallization box 22 for evaporation, one end of the evaporation box 2 is provided with a steam outlet 28, and one side of the evaporation device shell 1 is fixedly connected with a heat preservation shell 3 5. A preheating box 3 is fixedly connected to one side of the heat preservation shell 35. A heating device is arranged inside the preheating box 3, which belongs to the prior art. A second support plate 37 is fixedly connected to the inner wall of the preheating box 3. A liquid storage tank 38 is fixedly connected to the surface of the second support plate 37. A delivery pump 32 is fixedly installed on the side of the preheating box 3. A liquid suction pipe and a liquid adding pipe 33 are arranged on the surface of the delivery pump 32. One end of the liquid suction pipe is communicated with the inside of the liquid storage tank 38. A liquid inlet pipe 31 is arranged on the other side of the preheating box 3. An exhaust pipe 34 is arranged at one end of the preheating box 3. A drain pipe 36 and a suction fan 4 are arranged at the bottom of the preheating box 3. A sealing cover 41 is arranged at the suction end of the suction fan 4. A recovery pipe 42 is fixedly sleeved on the surface of the sealing cover 41. One end of the recovery pipe 42 is communicated with the inside of the evaporation device shell 1.

[0028] An adsorption block 26 is fixedly embedded on the side of the sealing plate 25. The adsorption block 26 is made of a strong magnet to facilitate the positioning of the sealing plate 25. The sides of the first support plate 12 and the second support plate 37 are provided with through holes 13 to facilitate the circulation of steam. The cross-sectional shape of the insulation rod 24 is cylindrical. One end of the insulation rod 24 is fixedly connected to the end face of the crystallization box 22. The insulation rod 24 is made of high-temperature resistant non-heat-conductive material.

[0029] In this embodiment, by providing the first support plate 12, the suction fan 4, the recovery pipe 42 and the second support plate 37, the steam generated by evaporation can be recovered for heat utilization and then discharged, which greatly reduces the energy consumption and has the function of energy saving.

[0030] During use of the novel liquid sodium hydrosulfide evaporation crystallization flake forming device, the preheated liquid sodium hydrosulfide enters the uppermost crystallization box 22 inside the evaporation box 2 through the liquid adding pipe 33 under the operation of the delivery pump 32, and is heated and evaporated by the crystallization box 2 and the evaporation box 2 at the same time, and then the excess liquid sodium hydrosulfide flows downward into the lower crystallization box 22, and is also evaporated during the flow process, at this time, the suction fan 4 works to generate suction, and the suction acts on the inside of the evaporation device shell 1 through the recovery pipe 42, so that the steam generated by evaporation is discharged from the evaporation box 2 through the steam outlet 28, and then contacts the surface of the first support plate 12, the inner wall of the evaporation device shell 1 and the outer surface of the evaporation box 2, so as to recover the heat of the steam, and recover the heat once. After that, it enters the preheating box 3 to be heat-recovered again, and finally discharged through the exhaust pipe 34. After the liquid sodium hydrosulfide evaporates and crystallizes in the crystallization box 22 to form flakes, the crystallization box 22 can be directly taken out for collection. The crystallization boxes 22 with different heights arranged inside the evaporation box 2 can not only increase the contact area with the liquid sodium hydrosulfide, thereby increasing the evaporation rate, but also the crystallization box 22 has the function of being movable, which is convenient for taking out the sodium hydrosulfide after crystallization and flakes, greatly improving the convenience of use. In addition, the steam generated by evaporation can be recycled and utilized for heat by the first support plate 12, the suction fan 4, the recovery pipe 42 and the second support plate 37, and then discharged, which greatly reduces the energy consumption and has the function of energy saving.

[0031] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A novel liquid sodium hydrosulfide evaporation crystallization flake forming device, comprising an evaporation device housing (1), characterized in that: The inner wall of the evaporation device housing (1) is fixedly connected to a first support plate (12); the surface of the first support plate (12) is fixedly connected to an evaporation box (2); a heater and a guide rail (21) are fixedly mounted on the inner wall of the evaporation box (2); the surface of the guide rail (21) is slidably connected to a crystallization box (22); one end of the evaporation box (2) is provided with a steam outlet (28); one side of the evaporation device housing (1) is fixedly connected to a heat preservation shell (35); one side of the heat preservation shell (35) is fixedly connected to a preheating box (3); the inner wall of the preheating box (3) is fixedly connected to a second support plate (37), a liquid storage tank (38) is fixedly connected to the surface of the second support plate (37), a delivery pump (32) is fixedly installed on the side of the preheating box (3), a liquid suction pipe and a liquid adding pipe (33) are provided on the surface of the delivery pump (32), a liquid inlet pipe (31) is provided on the other side of the preheating box (3), an exhaust pipe (34) is provided at one end of the preheating box (3), a drain pipe (36) and a suction fan (4) are provided at the bottom of the preheating box (3), a sealing cover (41) is provided at the suction end of the suction fan (4), and a recovery pipe (42) is fixedly sleeved on the surface of the sealing cover (41).

2. A novel liquid sodium hydrosulfide evaporation crystallization flake forming device according to claim 1, characterized in that: The side of the evaporation device housing (1) is provided with openings (11) distributed at equal intervals, the inner wall of the opening (11) is in contact with a sealing plate (25), one side of the sealing plate (25) is provided with a handle (27), and the other side of the sealing plate (25) is provided with symmetrical heat-insulating rods (24).

3. A novel liquid sodium hydrosulfide evaporation crystallization flake forming device according to claim 1, characterized in that: A guide groove is provided at the bottom of the crystallization box (22), and the inner wall of the guide groove is in contact with the surface of the guide rail (21). A heating plate is provided inside the crystallization box (22), and an overflow hole (23) is provided on the side of the crystallization box (22).

4. A novel liquid sodium hydrosulfide evaporation crystallization flake forming device according to claim 2, characterized in that: The cross-sectional shape of the heat-insulating rod (24) is cylindrical, one end of the heat-insulating rod (24) is fixedly connected to the end surface of the crystallization box (22), and the heat-insulating rod (24) is made of high-temperature resistant non-heat-conductive material.

5. A novel liquid sodium hydrosulfide evaporation crystallization flake forming device according to claim 2, characterized in that: An adsorption block (26) is fixedly embedded on the side of the sealing plate (25), and the adsorption block (26) is made of a strong magnet.

6. A novel liquid sodium hydrosulfide evaporation crystallization flake forming device according to claim 1, characterized in that: The side edges of the first support plate (12) and the second support plate (37) are both provided with through holes (13).

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