Tank body of triple-effect evaporator

Abstract

The utility model belongs to the technical field of chemical production, and particularly relates to a triple-effect evaporator tank which comprises a shell, a fixing frame, a scraper mechanism and a dredging mechanism, the shell comprises an inner wall and an outer wall, and an inner cavity is formed in the inner wall; the fixing frame is arranged above the shell and comprises a top plate, a bottom plate and a supporting rod. The scraper mechanism comprises a servo motor and a rotating drum, the servo motor is mounted on the bottom plate, the rotating drum is arranged in an inner cavity of the shell, the top end of the rotating drum is in transmission connection with an output shaft of the servo motor, a stirring frame is mounted at the bottom end of the rotating drum, and a scraper is fixed to the outer side of the stirring frame; the dredging mechanism comprises a hydraulic oil cylinder and a dredging rod, the hydraulic oil cylinder is fixed to the bottom face of the top plate, the dredging rod penetrates through the rotary drum, a pointed cone is arranged at the bottom end of the dredging rod, and the top end of the dredging rod is fixedly connected with a piston rod of the hydraulic oil cylinder. According to the device, the phenomena of wall adhesion and crystallization on the inner wall of the shell can be reduced, and cleaning is convenient; and discharging blockage can be solved, discharging is accelerated, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical production, and concretely relates to a three-effect evaporator tank body. BACKGROUND

[0002] The three-effect evaporator is a kind of extraction concentration equipment, adopts the working principle of circulating external heating of tube type, and has the advantages of short physical heating time, fast evaporation speed, great concentration ratio, effectively keeping the original effect of material, remarkable energy-saving effect, and is widely suitable for the evaporation concentration process of liquid material in pharmaceutical, chemical, food, light industry and the like.

[0003] At present, the existing three-effect evaporator is prone to crystallization and wall sticking when producing magnesium chloride, calcium chloride and some polymers and the like, which are prone to crystallization and wall sticking, and it is very troublesome to clean up in the later period, and the discharge port is also blocked, leading to poor discharge and affecting production efficiency.

[0004] Therefore, it is urgent to improve. UTILITY MODEL CONTENTS

[0005] In view of the above defects in the prior art, the utility model provides a three-effect evaporator tank body, which comprises a shell, a fixing frame, a scraper mechanism and a dredging mechanism, the shell comprises an inner wall and an outer wall arranged inside and outside, a sandwich cavity is arranged between the inner wall and the outer wall, and an inner cavity is arranged in the inner wall.

[0006] The fixing frame is fixedly arranged above the shell, and the fixing frame comprises a top plate and a bottom plate arranged above and below, and a supporting rod fixedly connected between the top plate and the bottom plate.

[0007] The scraper mechanism comprises a servo motor and a rotating drum, the servo motor is installed on the bottom plate, the rotating drum is a tubular structure with an upper and lower through structure, the rotating drum is vertically arranged in the inner cavity of the shell, the top end of the rotating drum penetrates through the shell and the bottom plate and is connected in transmission with the output shaft of the servo motor through a bevel gear transmission pair, a stirring frame is installed at the bottom end of the rotating drum, the shape of the stirring frame is matched with the inner cavity of the shell, a connecting rod is fixedly connected between the inner side of the stirring frame and the rotating drum, a plurality of scrapers are fixed to the outer side of the stirring frame, and a through hole is formed in the bottom end of the stirring frame and communicated with the rotating drum.

[0008] The dredging mechanism comprises a hydraulic oil cylinder and a dredging rod, the oil cylinder seat of the hydraulic oil cylinder is fixed to the bottom surface of the top plate, the dredging rod is arranged in the rotating drum, the bottom end of the dredging rod penetrates through the through hole of the stirring frame and is provided with a sharp cone, the sharp cone corresponds to the second discharge port, and the top end of the dredging rod penetrates out of the rotating drum and is fixedly connected with the piston rod of the hydraulic oil cylinder.

[0009] Optionally, the shell is provided with an air inlet, an air outlet, a feeding port, a first discharging port, a second discharging port, a liquid inlet and a liquid outlet, the air inlet and the air outlet are communicated with the interlayer cavity, the air inlet is located at the bottom of the shell, and the air outlet is located at the top of the shell, the feeding port, the first discharging port, the second discharging port, the liquid inlet and the liquid outlet are communicated with the inner cavity, the feeding port is located at the lower part of the middle of the shell, the first feeding port and the second feeding port are respectively located at the upper end and the lower end of the shell, and the height of the liquid inlet is higher than that of the liquid outlet.

[0010] Optionally, the upper part of the shell is provided with an observation window.

[0011] Specifically, the running condition inside the shell is convenient for the staff to check.

[0012] Optionally, the side of the shell is provided with an inspection port and an inspection door.

[0013] Specifically, the equipment inside the shell is convenient for the maintenance personnel to maintain.

[0014] Optionally, the lower part of the shell is provided with a support frame.

[0015] Optionally, the inner cavity of the shell is provided with a mounting frame, the left and right ends of the mounting frame are fixed on the inner wall of the shell, and the middle part of the mounting frame is rotationally connected with the rotating drum.

[0016] Specifically, the mounting frame can improve the stability of the rotating drum during rotation.

[0017] Optionally, the scraper is fixed on the stirring frame through bolts, and a gap of 3-5mm is reserved between the scraper and the inner wall of the shell.

[0018] Specifically, the scraper adopts a detachable connection structure, which is convenient for disassembly, assembly and replacement, and since the rotating drum may shake during rotation, a certain gap is reserved between the scraper and the inner wall of the shell to prevent the stirring frame from being stuck.

[0019] Optionally, the bevel gear transmission pair comprises a horizontal bevel gear and a vertical bevel gear meshed and connected, the horizontal bevel gear is fixed on the outside of the rotating drum, and the vertical bevel gear is installed on the output shaft of the servo motor.

[0020] The utility model also includes other components that can make a three-effect evaporator tank body normal use, all are conventional technical means in the art. In addition, the devices or components not limited in the utility model all adopt conventional technical means in the art, such as servo motor and hydraulic oil cylinder.

[0021] The utility model discloses a working principle is, in the use process, can start servo motor drive rotary drum rotation, and then drive stirring frame rotation, one can accelerate the evaporation rate of liquid on one hand, the other hand can also scrape the relatively thick, relatively big material that adheres on the inner wall of shell, reduce the wall sticking, crystallization phenomenon on the inner wall of shell, when finding that the second discharge port is not unobstructed, can control hydraulic oil cylinder stretch piston rod, drive dredging rod down, utilize sharp cone to dredge the second discharge port, accelerate the discharge, improve production efficiency.

[0022] The utility model discloses a beneficial effect is, through scraper mechanism, can scrape the relatively thick, relatively big material that adheres on the inner wall of shell, reduce the wall sticking, crystallization phenomenon on the inner wall of shell, facilitate later cleaning, through dredging mechanism, can be unobstructed when discharging, to the discharge port is dredged, accelerate the discharge, improve production efficiency. DRAWINGS

[0023] The utility model is further described below in connection with the drawings and examples.

[0024] Figure 1 It is the whole structure schematic diagram of the utility model.

[0025] In the drawing: 1. shell, 2. fixed frame, 3. interlayer cavity, 4. inner cavity, 5. air inlet, 6. air outlet, 7. feeding port, 8. first discharge port, 9. second discharge port, 10. liquid inlet, 11. liquid outlet, 12. observation window, 13. inspection port, 14. support frame, 15. servo motor, 16. rotary drum, 17. bevel gear transmission pair, 18. stirring frame, 19. scraper, 20. mounting frame, 21. hydraulic oil cylinder, 22. dredging rod. DETAILED DESCRIPTION

[0026] The utility model is clearly described below in connection with the drawings in the embodiment of the utility model and specific implementation examples, and the description at here is only used to explain the utility model, but does not as the limitation to the utility model. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains under the premise of not making creative labor, any modification, equivalent replacement, improvement etc. that is done, should include in the protection scope of the utility model.

[0027] EMBODIMENT

[0028] As Figure 1As shown, the utility model embodiment provides a kind of three-effect evaporator tank, including shell 1, fixed support 2, scraper mechanism and dredging mechanism, shell 1 includes the inner wall and outer wall of inside and outside setting, and the interlayer cavity 3 of being provided with between inner wall and outer wall, the inside of inner wall is equipped with inner chamber 4, and shell 1 is provided with air inlet 5, air outlet 6, feed inlet 7, first discharge port 8, second discharge port 9, liquid inlet 10 and liquid outlet 11, air inlet 5 and air outlet 6 are all connected with interlayer cavity 3, and air inlet 5 is located at the bottom of shell 1, and air outlet 6 is located at the top of shell 1, feed inlet 7, first discharge port 8, second discharge port 9, liquid inlet 10 and liquid outlet 11 are all connected with inner chamber 4, feed inlet 7 is located at the lower position of middle part of shell 1, and first feed inlet 7 and second feed inlet 7 are respectively located at the upper and lower ends of shell 1, and the height of liquid inlet 10 is higher than the height of liquid outlet 11.

[0029] In addition, the upper portion of shell 1 is provided with an observation window 12, which facilitates the staff to check the running condition inside the shell 1. The side portion of the shell 1 is provided with an inspection port 13 and an inspection door, which facilitates the maintenance personnel to maintain the equipment inside the shell 1. The lower portion of the shell 1 is provided with a support frame 14.

[0030] The fixed support 2 is fixedly arranged above the shell 1, and the fixed support 2 includes a top plate and a bottom plate arranged in sequence from top to bottom, and a support rod fixedly connected between the top plate and the bottom plate.

[0031] The scraper mechanism includes a servo motor 15 and a rotating drum 16. The servo motor 15 is installed on the bottom plate. The rotating drum 16 has a tubular structure with a through structure from top to bottom. The rotating drum 16 is vertically arranged in the inner chamber 4 of the shell 1. The top end of the rotating drum 16 penetrates through the shell 1 and the bottom plate and is connected in transmission with the output shaft of the servo motor 15 through a bevel gear transmission pair 17. The bevel gear transmission pair 17 includes horizontally arranged bevel gears and vertically arranged bevel gears connected in meshing. The horizontally arranged bevel gears are fixed on the outside of the rotating drum 16. The vertically arranged bevel gears are installed on the output shaft of the servo motor 15. The bottom end of the rotating drum 16 is installed with a stirring frame 18. The shape of the stirring frame 18 matches the inner chamber 4 of the shell 1. A connecting rod is fixedly connected between the inside of the stirring frame 18 and the rotating drum 16. The outside of the stirring frame 18 is provided with a plurality of scrapers 19. The scrapers 19 are fixed on the stirring frame 18 through bolts. A gap of 5 mm is left between the scrapers 19 and the inner wall of the shell 1. The scrapers 19 adopt a detachable connection structure, which is convenient for disassembly, assembly and replacement. Since the rotating drum 16 may shake during rotation, a certain gap is left between the scrapers 19 and the inner wall of the shell 1 to avoid the stirring frame 18 from being stuck. A through hole is formed in the bottom end of the stirring frame 18 and is connected in communication with the rotating drum 16.

[0032] In addition, the inner cavity 4 of the shell 1 is further provided with a mounting frame 20, both ends of the mounting frame 20 are fixed on the inner wall of the shell 1, the middle part of the mounting frame 20 is rotationally connected with the rotating drum 16, and the mounting frame 20 can improve the stability of the rotating drum 16 during rotation.

[0033] The dredging mechanism comprises a hydraulic oil cylinder 21 and a dredging rod 22, the oil cylinder base of the hydraulic oil cylinder 21 is fixed on the bottom surface of the top plate, the dredging rod 22 is arranged in the rotating drum 16, the bottom end of the dredging rod 22 passes through the through hole of the stirring frame 18 and is provided with a sharp cone corresponding to the second discharge port 9, and the top end of the dredging rod 22 passes out of the rotating drum 16 and is fixedly connected with the piston rod of the hydraulic oil cylinder 21.

[0034] The working principle of the utility model is that, in the use process, the servo motor 15 can be started to drive the rotating drum 16 to rotate, thereby driving the stirring frame 18 to rotate, which can accelerate the evaporation rate of the liquid and scrape off the thick and large material adhered to the inner wall of the shell 1, thereby reducing the wall sticking and crystallization phenomenon on the inner wall of the shell 1; when it is found that the second discharge port 9 is not discharged smoothly, the hydraulic oil cylinder 21 can be controlled to stretch the piston rod, drive the dredging rod 22 to move downward, dredge the second discharge port 9 by the sharp cone, accelerate the discharge, and improve the production efficiency.

[0035] The above has described the embodiment of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A triple-effect evaporator vessel comprising a shell, a fixed rack, a wiper mechanism and a weeping mechanism, characterised in that: The shell comprises an inner wall and an outer wall arranged inside and outside, a sandwich cavity is arranged between the inner wall and the outer wall, and an inner cavity is arranged inside the inner wall; The fixing frame is fixedly arranged above the shell, and comprises a top plate and a bottom plate arranged in an up-down manner, and a supporting rod fixedly connected between the top plate and the bottom plate; The scraper mechanism comprises a servo motor and a rotating drum, the servo motor is installed on the bottom plate, the rotating drum is vertically arranged in the inner cavity of the shell, the top end of the rotating drum penetrates through the shell and the bottom plate and is in transmission connection with the output shaft of the servo motor through a bevel gear transmission pair, the bottom end of the rotating drum is provided with a stirring frame, the shape of the stirring frame is matched with the inner cavity of the shell, a plurality of scrapers are fixed to the outer side of the stirring frame, and a through hole in communication with the rotating drum is arranged at the bottom end of the stirring frame; The dredging mechanism comprises a hydraulic oil cylinder and a dredging rod, the oil cylinder seat of the hydraulic oil cylinder is fixed to the bottom surface of the top plate, the dredging rod penetrates through the rotating drum, the bottom end of the dredging rod penetrates through the through hole of the stirring frame and is provided with a sharp cone, and the top end of the dredging rod is fixedly connected with the piston rod of the hydraulic oil cylinder.

2. The three-way evaporator can body of claim 1, wherein: The shell is provided with an air inlet, an air outlet, a feeding port, a first discharging port, a second discharging port, a liquid inlet and a liquid outlet, the air inlet and the air outlet are in communication with the sandwich cavity, and the feeding port, the first discharging port, the second discharging port, the liquid inlet and the liquid outlet are in communication with the inner cavity.

3. The three-way evaporator canister of claim 2, wherein: An observation window is arranged on the upper part of the shell.

4. The three-way evaporator can body of claim 3, wherein: An inspection port and an inspection door are arranged on the side of the shell.

5. The three-way evaporator canister of claim 4, wherein: A supporting frame is arranged below the shell.

6. The three-way evaporator canister of claim 5, wherein: An installation frame is arranged in the inner cavity of the shell, the left and right ends of the installation frame are fixed to the inner wall of the shell, and the middle part of the installation frame is in rotary connection with the rotating drum.

7. The three-way evaporator canister of claim 6, wherein: The scraper is fixed to the stirring frame through bolts, and a gap of 3-5mm is left between the scraper and the inner wall of the shell.

8. The three-way evaporator can body of claim 7, wherein: The bevel gear transmission pair comprises horizontally arranged bevel gears and vertically arranged bevel gears in meshing connection, the horizontally arranged bevel gears are fixed to the outside of the rotating drum, and the vertically arranged bevel gears are installed on the output shaft of the servo motor.

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