Evaporation and concentration equipment for production

Abstract

The utility model relates to the technical field of concentration equipment, in particular to evaporation concentration equipment for production, which comprises a thermal evaporation tank, a threaded rod is rotatably arranged on the top wall in the thermal evaporation tank, a cleaning plate is arranged in the thermal evaporation tank in a lifting and sliding manner, and the center of the cleaning plate is sleeved on the threaded rod through a threaded hole. Meanwhile, a plurality of windows are formed in the cleaning plate around the threaded rod, a filter screen is hinged to the interior of each window, a supporting rod is hinged to the position between the end, close to the threaded rod, of each filter screen and the top wall of the thermal evaporation tank, a liquid inlet formed in the thermal evaporation tank is located above the cleaning plate, and the cleaning plate and the filter screens are combined; through structural connection, the filter screen can be in an open or closed state, so that the filter screen does not block rising of steam while filtering is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of concentration equipment, in particular to evaporation concentration equipment for production. Background Art

[0002] Hot concentration equipment is required in the production of chondroitin sulfate. The liquid injected into the concentration tank needs to be filtered to remove the particulate impurities. The filter installed in the tank body will affect the rise of steam to a certain extent. At the same time, when stirring and evaporating in the tank body, a large amount of liquid will splash on the inner wall of the middle and lower part of the tank body, which needs to be cleaned.

[0003] In current evaporation and concentration equipment for production, the filtration of liquid and the cleaning of tank walls require different mechanisms to be implemented. This solution provides an evaporation and concentration equipment for production, which combines the above functions through structural settings. Utility Model Content

[0004] The utility model aims at least to solve the problem in the prior art that the filter screen and the cleaning element are controlled independently.

[0005] The present invention provides an evaporation and concentration equipment for production, which is achieved by the following specific technical means: it comprises a thermal evaporation tank, a threaded rod is rotatably provided on the top wall of the thermal evaporation tank, a cleaning plate is lifted and slidably provided in the thermal evaporation tank, the center of the cleaning plate is sleeved on the threaded rod through a threaded hole, and at the same time, a plurality of groups of windows are provided on the cleaning plate around the threaded rod, a filter screen is hingedly connected in each group of the windows, and a support rod is hingedly connected to the top wall of the thermal evaporation tank at one end of each group of the filter screen close to the threaded rod, the liquid inlet provided on the thermal evaporation tank is located above the cleaning plate, when liquid is injected into the thermal evaporation tank through the liquid inlet, the filter screen is closed and blocked in the window, at this time, the cleaning plate is in the upper middle part of the thermal evaporation tank, and the liquid entering from the liquid inlet is filtered by the filter screen, when evaporating, the filter screen is lifted up and the window is opened, so as to facilitate the rise of steam, and when cleaning is needed, the cleaning plate is driven by the rotation of the threaded rod to move up and down in the thermal evaporation tank to clean the tank wall.

[0006] Preferred technical solution 1: A stirring shaft is rotatably provided on the bottom wall of the thermal evaporation tank, the stirring shaft is located below the threaded rod, and a stirring member is fixed on the stirring shaft. As the amount of liquid in the thermal evaporation tank decreases, the position of the cleaning plate can be continuously moved downward.

[0007] Preferred technical solution 2: The cleaning plate is an upward convex arc structure, and an annular enclosure is provided on the cleaning plate.

[0008] Preferred technical solution three: the window is a triangular structure, the filter is also a triangular structure, and the top corner of the filter is hinged to the support rod.

[0009] Preferred technical solution four: a scraper is fixed to the top of the threaded rod, the top wall of the thermal evaporation tank is an upward concave arc structure, the scraper is in contact with the top wall of the thermal evaporation tank for scraping, a guide groove is fixed on the side of the scraper, and an annular groove is fixed in the thermal evaporation tank below the upward convex arc top wall, the bottom of the guide groove is located in the annular groove, and a drainage pipe extending to the outside of the thermal evaporation tank is provided in the annular groove.

[0010] Preferred technical solution five: The top cover of the thermal evaporation tank is provided with a cooling cover for cooling the top wall of the thermal evaporation tank.

[0011] The above structure enables this solution to have the following beneficial effects:

[0012] 1. Combine the cleaning plate with the filter screen and connect them through the structure so that the filter screen can be in an open or closed state, so that it can complete the filtration without blocking the rising of steam;

[0013] 2. One set of control motors can simultaneously control the working status of the cleaning plate and the filter, and can also collect the steam coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0016] Figure 2 This is a cross-sectional view of this scheme;

[0017] Figure 3 This is a schematic diagram of the structure of the scraper, guide groove and annular groove of this scheme;

[0018] Figure 4 This is a schematic diagram of the structure of the cleaning plate of this scheme.

[0019] Among them, 1. thermal evaporation tank, 11. liquid inlet, 2. threaded rod, 3. cleaning plate, 31. window, 4. annular enclosure, 5. filter screen, 6. support rod, 7. stirring shaft, 71. stirring element, 8. scraper, 81. guide groove, 9. annular groove, 91. drain pipe, 10. cooling hood. DETAILED DESCRIPTION

[0020] The technical solutions 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 only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 , an evaporation and concentration equipment for production includes a thermal evaporation tank 1, a threaded rod 2 is rotatably provided on the top wall of the thermal evaporation tank 1, a motor 2 connected to the threaded rod 2 is provided on the top of the thermal evaporation tank 1, a cleaning plate 3 is provided in the thermal evaporation tank 1 for lifting and sliding, the cleaning plate 3 slides along the vertical groove opened on the inner wall of the thermal evaporation tank 1 through a protrusion fixed on the side, the center of the cleaning plate 3 is sleeved on the threaded rod 2 through a threaded hole, and at the same time, a plurality of groups of windows 31 are provided on the cleaning plate 3 around the threaded rod 2, each group of windows 31 is hingedly connected with a filter screen 5, the outer side of the filter screen 5 is connected to a side wall of the window 31 away from the threaded rod 2 by a hinge, and one end of each group of filters 5 close to the threaded rod 2 is hingedly connected to a support rod 6 before the top wall of the thermal evaporation tank 1, and a liquid inlet 11 provided on the thermal evaporation tank 1 is located at the cleaning plate 3. , when liquid is injected into the thermal evaporation tank 1 through the liquid inlet 11, the cleaning plate 3 is driven upward by the rotation of the threaded rod 2, so that the cleaning plate 3 is close to the liquid inlet 11, until the filter screen 5 is closed and blocked in the window 31 under the push of the support rod 6. At this time, the cleaning plate 3 is in the upper middle part of the thermal evaporation tank 1, and the liquid entering from the liquid inlet 11 is filtered by the filter screen 5, and the filtrate falls into the bottom of the thermal evaporation tank 1. During evaporation, the threaded rod 2 rotates to drive the cleaning plate 3 to move downward, and the filter screen 5 is lifted up under the pull of the support rod 6, and the window 31 is opened to facilitate the rise of steam. At this time, the cleaning plate 3 is located above the liquid level and can stop at a certain distance from the liquid level. When cleaning is needed, the cleaning plate 3 is driven by the rotation of the threaded rod 2 to move up and down in the thermal evaporation tank 1 to clean the tank wall;

[0022] A stirring shaft 7 is rotatably provided on the inner bottom wall of the thermal evaporation tank 1, and a motor 1 connected to the stirring shaft 7 is provided at the bottom of the thermal evaporation tank 1. The stirring shaft 7 is located below the threaded rod 2, and a stirring member 71 is fixed on the stirring shaft 7. As the amount of liquid in the thermal evaporation tank 1 decreases, the position of the cleaning plate 3 can be continuously moved downward, so that the liquid originally splashed at a high place can be scraped off.

[0023] See also Figure 2-Figure 4, evaporation and concentration equipment for production, the cleaning plate 3 is an upward convex arc structure, and an annular enclosure 4 is sleeved on the cleaning plate 3. The annular enclosure 4 cooperates with the arc structure of the cleaning plate 3, so that when the filter screen 5 is lifted, the impurities on the filter screen 5 can slide along the filter screen 5 to the cleaning plate 3 and be collected on the side of the cleaning plate 3. The window 31 is a triangular structure, and the filter screen 5 is also a triangular structure. The top angle of the filter screen 5 is hinged to the support rod 6. The setting of the triangular structure is used to ensure that the impurities can slide smoothly onto the cleaning plate 3.

[0024] See also Figure 2-Figure 3 , an evaporation concentration equipment for production, a scraper 8 is fixed on the top of the threaded rod 2, the top wall of the thermal evaporation tank 1 is an upward concave arc structure, the scraper 8 is in contact with the top wall of the thermal evaporation tank 1, and guide grooves 81 are fixed on both sides of the scraper 8. The guide groove 81 is used to hold the water scraped by the scraper 8. At the same time, an annular groove 9 is fixed below the upper convex arc top wall in the thermal evaporation tank 1. The bottom of the guide groove 81 is located in the annular groove 9, so that the water in the guide groove 81 flows into the annular groove 9. A drain pipe 91 extending to the outside of the thermal evaporation tank 1 is provided in the annular groove 9, and the top of the support rod 6 is hinged to the bottom wall of the annular groove 9;

[0025] A cooling hood 10 is provided on the top of the thermal evaporation tank 1 , and an air cooling device is provided inside the cooling hood 10 for cooling the top wall of the thermal evaporation tank 1 , so that the rising steam is liquefied into water droplets that are scraped off and collected by the scraper 8 .

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A production evaporation concentration device, comprising a thermal evaporation tank (1), characterized in that: A threaded rod (2) is rotatably provided on the top wall of the thermal evaporation tank (1), and a cleaning plate (3) is provided in the thermal evaporation tank (1) for lifting and sliding. The center of the cleaning plate (3) is sleeved on the threaded rod (2) through a threaded hole. At the same time, a plurality of groups of windows (31) are provided on the cleaning plate (3) around the threaded rod (2), and a filter screen (5) is hingedly connected in each group of the windows (31). The outer side of the filter screen (5) is connected to a side wall of the window (31) away from the threaded rod (2) through a hinge, and one end of each group of the filter screen (5) close to the threaded rod (2) is hingedly connected to a support rod (6) before the top wall of the thermal evaporation tank (1). The liquid inlet (11) provided on the thermal evaporation tank (1) is located above the cleaning plate (3).

2. The evaporation and concentration equipment for production according to claim 1, characterized in that: A stirring shaft (7) is rotatably provided on the inner bottom wall of the thermal evaporation tank (1); the stirring shaft (7) is located below the threaded rod (2), and a stirring member (71) is fixed on the stirring shaft (7).

3. The evaporation and concentration equipment for production according to claim 1, characterized in that: The cleaning plate (3) is an upward convex arc-shaped structure, and an annular enclosure (4) is sleeved on the cleaning plate (3).

4. The evaporation and concentration equipment for production according to claim 3, characterized in that: The window (31) is a triangular structure, the filter screen (5) is also a triangular structure, and the top corner of the filter screen (5) is hinged to the support rod (6).

5. The evaporation and concentration equipment for production according to claim 1, characterized in that: A scraper (8) is fixed to the top of the threaded rod (2); the top wall of the thermal evaporation tank (1) is an upward concave arc structure; the scraper (8) is in contact with the top wall of the thermal evaporation tank (1) by scraping; guide grooves (81) are fixed on both sides of the scraper (8); the guide grooves (81) are used to hold water scraped off by the scraper (8); and an annular groove (9) is fixed below the upward convex arc top wall in the thermal evaporation tank (1); the bottom of the guide groove (81) is located in the annular groove (9); and a drainage pipe (91) extending to the outside of the thermal evaporation tank (1) is provided in the annular groove (9).

6. The evaporation and concentration equipment for production according to claim 5, characterized in that: The top cover of the thermal evaporation tank (1) is provided with a cooling cover (10) for cooling the top wall of the thermal evaporation tank (1).

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