A tower type multiple effect evaporator

Abstract

The utility model relates to the technical field of evaporators, and in particular to a tower type multi-effect evaporator, which includes an evaporation tank, a separation tank, a rotary drum, an impeller, a transmission assembly and a compressor. An evaporator is arranged in the evaporation tank. The input end of the separation tank is connected to the output end of the evaporation tank, the separation tank is connected to a guide pipe, and the guide pipe is connected to a liquid outlet pipe. The rotary drum is located in the guide pipe, and a through hole is arranged on the rotary drum, and an arc plate is slidably arranged in the through hole. The impeller is rotatably arranged in the separation tank, and the transmission assembly is connected to the impeller and the rotary drum to drive the rotary drum to rotate when the high-temperature steam pushes the impeller, so as to prevent the outside air from entering the separation tank along the guide pipe when the liquid is discharged. The compressor is connected to the output end of the separation tank and the air inlet end of the evaporator. Under the premise of ensuring the normal separation and discharging of the gas-liquid separator, the utility model effectively prevents the outside air from entering the separator along the liquid outlet, thereby avoiding the adverse effects of low-temperature air on high-temperature steam.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporators, in particular to a tower type multiple-effect evaporator. Background Art

[0002] The working principle of the multiple-effect evaporator is to heat the liquid to make it evaporate, and then make the steam contact and transfer heat with the unevaporated liquid, repeating the cycle to achieve multi-stage evaporation. The multiple-effect evaporator has the advantages of low energy consumption, high efficiency, stable operation, etc., and is widely used.

[0003] The technical solution disclosed in the Chinese patent with the authorization announcement number CN218221100U heats the heating chamber by entering the heat exchange chamber from the inlet with high-temperature steam, and heats the material by setting up heat exchange tubes to form heat exchange between the high-temperature steam and the material. According to different processing requirements, the depth of the first heat exchange section inserted into the second heat exchange section is changed by controlling the first fixed disk through the control component, so as to change the contact heat exchange area between the heat exchange tube and the material, thereby adjusting the heat exchange range of the heat exchanger and making the evaporator body have a wider processing control range, so as to improve the versatility and practicality of the evaporator, and the material is thermally exchanged with the heat in the preheating channel and the waste heat pipe, and the material transmitted into the evaporator body is preheated, so as to further improve the processing efficiency of the material.

[0004] However, the device still has some shortcomings: during the separation of materials in the separator, the compressor extracts steam from the separator, which easily causes low-temperature air from the outside to enter the separator through the liquid outlet pipe, thereby reducing the steam temperature. Utility Model Content

[0005] The utility model aims to propose a tower type multi-effect evaporator in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is: a tower type multi-effect evaporator comprises an evaporation tank, in which an evaporator is arranged.

[0007] The separation tank has an input end connected to the output end of the evaporation tank, the separation tank is connected to the guide pipe, and the guide pipe is connected to the liquid outlet pipe.

[0008] The rotating drum is located in the guide tube and rotates therewith, and a through hole connected with the material discharge channel of the guide tube is arranged on the rotating drum, and an arc plate is slidably arranged in the through hole.

[0009] The impeller is rotatably arranged in the separation tank and close to the steam outlet of the separation tank.

[0010] The transmission assembly is connected to the impeller and the drum so that when the high-temperature steam drives the impeller to rotate, the drum is driven to rotate, thereby discharging the separated liquid while preventing the outside air from entering the separation tank along the guide pipe.

[0011] and a compressor, wherein the compressor is connected to the output end of the separation tank and the air inlet end of the evaporator.

[0012] Preferably, the output end of the evaporation tank is connected to a connecting pipe A and a connecting pipe B which are distributed from top to bottom, and both the connecting pipe A and the connecting pipe B are connected to the separation tank.

[0013] Preferably, an arcuate groove connected to the channel is provided on the inner wall of the guide tube, the rotating drum is located in the arcuate groove and slides with its inner wall, and the arcuate plate slides with the inner wall of the arcuate groove, and both ends of the arcuate plate are provided with arc surfaces that are consistent and fit with the curvature of the outer wall of the rotating drum.

[0014] Preferably, a slide groove communicating with the through hole is provided in the rotating drum, a sliding block is provided on the arc plate, and the sliding block is inserted into the slide groove on the corresponding side and is slidably connected thereto.

[0015] Preferably, the transmission assembly includes a rotating shaft A, a rotating shaft B and a synchronization assembly, the rotating shaft A is coaxially connected to the rotating drum and is rotationally connected to the guide tube, a bevel gear A is arranged on the mounting shaft of the impeller, the rotating shaft B is connected to the bevel gear B and is rotationally connected to the separation tank, and the bevel gear A and the bevel gear B are meshed and connected, and the rotating shaft A and the rotating shaft B are transmission connected through the synchronization assembly.

[0016] Preferably, the synchronous assembly includes a pulley A, a pulley B and a toothed belt, the pulley A is connected to the rotating shaft A, the pulley B is connected to the rotating shaft B, and the pulley A and the pulley B are driven by the toothed belt.

[0017] Preferably, the output end of the compressor is connected to a return pipe, the other end of the return pipe is inserted into the evaporation tank and connected to the air inlet end of the evaporator, and the return pipe is connected to the air inlet pipe of an external steam output device.

[0018] Compared with the prior art, the utility model has the following beneficial technical effects:

[0019] By setting a guide tube, a rotating drum is set in the guide tube, and a through hole is set on the rotating drum. Through the circular rotation of the rotating drum, the liquid in the separation tank is discharged after passing through the through hole, and an arc plate is set in the through hole. When the through hole and the channel of the guide tube are correspondingly connected, the arc plate automatically slides down below the through hole, discharges the liquid falling in the rotating drum, and closes the lower opening of the through hole, effectively preventing the rotating drum from bringing low-temperature air from the outside into the separation tank during rotation. At the same time, the rotation of the rotating drum in the utility model is driven by the impeller and the transmission assembly, and no additional energy-consuming devices are required. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a structural schematic diagram of an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the separation tank;

[0022] Figure 3 It is a schematic diagram of the connection structure between the impeller and the drum;

[0023] Figure 4 Schematic diagram of the internal structure of the drum.

[0024] Figure numerals: 1, evaporator; 2, connecting pipe A; 3, connecting pipe B; 4, separation tank; 5, guide pipe; 501, arc groove; 6, liquid outlet pipe; 7, rotating drum; 701, through hole; 702, slide groove; 71, arc plate; 711, slider; 8, rotating shaft A; 9, impeller; 10, bevel gear A; 11, rotating shaft B; 12, bevel gear B; 13, transmission assembly; 14, compressor; 15, return pipe; 16, intake pipe. DETAILED DESCRIPTION

[0025] Embodiment 1

[0026] like Figure 1-Figure 4As shown, a tower type multi-effect evaporator proposed by the utility model comprises an evaporation tank 1, a separation tank 4, a rotary drum 7, an impeller 9, a transmission assembly and a compressor 14. An evaporator is arranged in the evaporation tank 1. The output end of the evaporation tank 1 is connected to the connecting pipe A2 and the connecting pipe B3 distributed from top to bottom. The input end of the separation tank 4 is connected to both the connecting pipe A2 and the connecting pipe B3, and the separation tank 4 is connected to the guide pipe 5, and the guide pipe 5 is connected to the liquid outlet pipe 6. An arc groove 501 connected to its channel is arranged on the inner wall of the guide pipe 5. The rotary drum 7 is located in the arc groove 501 and slides with its inner wall, and a through hole 701 connected to the material discharge channel of the guide pipe 5 is arranged on the rotary drum 7, and an arc plate 71 is slidably arranged in the through hole 701. The arc plate 71 slides with the inner wall of the arc groove 501, and both ends of the arc plate 71 are arranged with arc surfaces that are consistent with and fit with the arc of the outer wall of the rotary drum 7. A chute 702 connected to the through hole 701 is arranged in the drum 7, and a slider 711 is arranged on the arc plate 71, and the slider 711 is inserted into the chute 702 on the corresponding side and slidably connected thereto. The impeller 9 is rotatably arranged in the separation tank 4 and close to the steam outlet of the separation tank 4. The transmission assembly includes a rotating shaft A8, a rotating shaft B11 and a synchronous assembly. The rotating shaft A8 is coaxially connected to the drum 7 and is rotatably connected to the guide tube 5. A bevel gear A10 is arranged on the mounting shaft of the impeller 9. The rotating shaft B11 is connected to the bevel gear B12 and is rotatably connected to the separation tank 4, and the bevel gear A10 and the bevel gear B12 are meshed and connected. The rotating shaft A8 and the rotating shaft B11 are connected through the synchronous assembly. The synchronous assembly includes a pulley A, a pulley B and a toothed belt. The pulley A is connected to the rotating shaft A8, and the pulley B is connected to the rotating shaft B11. The pulley A and the pulley B are driven by the toothed belt. The transmission assembly is connected to the impeller 9 and the drum 7 so that the drum 7 is driven to rotate when the high-temperature steam drives the impeller 9 to rotate, and the separated liquid is discharged while preventing the outside air from entering the separation tank 4 along the guide pipe 5. The input end of the compressor 14 is connected to the output end of the separation tank 4, and the output end of the compressor 14 is connected to the return pipe 15. The other end of the return pipe 15 is inserted into the evaporation tank 1 and connected to the air inlet end of the evaporator. The return pipe 15 is connected to the air inlet pipe 16 of the external steam output device.

[0027] In this embodiment, the mixed liquid in the evaporation tank 1 is separated into gas and liquid under the action of the high-temperature steam in the evaporator, and then the mixed gas and liquid enter the separation tank 4. In the separation tank 4, the liquid descends into the guide tube 5, enters the through hole 701 and falls on the arc plate 71. At this time, since the high-temperature steam ascends and drives the impeller 9 to rotate, the impeller 9 drives the rotating drum 7 to rotate through the transmission assembly. During the rotation of the rotating drum 7, the bottom of the arc plate 71 keeps sliding with the inner wall of the arc groove 501 and is closed. As the rotating drum 7 rotates, the opening of the through hole 701 is inverted, and the liquid originally falling on the top of the arc plate 71 is discharged along the liquid outlet pipe 6, and the arc plate 71 slides down to the lowest point under the action of gravity. This cycle is repeated, effectively preventing the external low-temperature air from entering the separation tank 4, thereby ensuring that the steam temperature is not affected.

[0028] Embodiment 2

[0029] like Figure 2 As shown, the tower multi-effect evaporator proposed by the utility model, compared with the first embodiment, a mounting frame is arranged in the separation tank 4, the impeller 9 is rotatably connected to the mounting frame, a cavity is arranged in the mounting frame, and the bevel gear A10 and the bevel gear B12 are both located in the cavity.

[0030] In this embodiment, the closed cavity of the mounting frame is used to seal and protect the bevel gear A10 and the bevel gear B12, which can effectively extend their service life.

[0031] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tower type multiple effect evaporator, characterized in that: include An evaporation tank (1), wherein an evaporator is arranged in the evaporation tank (1); A separation tank (4), wherein the input end of the separation tank (4) is connected to the output end of the evaporation tank (1), the separation tank (4) is connected to the guide pipe (5), and the guide pipe (5) is connected to the liquid outlet pipe (6); A rotating drum (7), the rotating drum (7) is located in the guide tube (5) and rotates therewith, and a through hole (701) is provided on the rotating drum (7) and communicates with the material discharge channel of the guide tube (5), and an arc plate (71) is slidably provided in the through hole (701); An impeller (9) is rotatably disposed in the separation tank (4) and close to the steam outlet of the separation tank (4); A transmission assembly, the transmission assembly is connected to the impeller (9) and the drum (7) so that when the high-temperature steam drives the impeller (9) to rotate, the drum (7) is driven to rotate, thereby discharging the separated liquid and preventing external air from entering the separation tank (4) along the guide pipe (5); and a compressor (14), wherein the compressor (14) is connected to the output end of the separation tank (4) and the air inlet end of the evaporator.

2. A tower type multiple-effect evaporator according to claim 1, characterized in that: The output end of the evaporation tank (1) is connected to a connecting pipe A (2) and a connecting pipe B (3) which are distributed from top to bottom, and the connecting pipe A (2) and the connecting pipe B (3) are both connected to a separation tank (4).

3. A tower type multiple-effect evaporator according to claim 1, characterized in that: An arc-shaped groove (501) communicating with the channel is arranged on the inner wall of the guide tube (5), the rotating drum (7) is located in the arc-shaped groove (501) and slides with the inner wall thereof, and the arc-shaped plate (71) slides with the inner wall of the arc-shaped groove (501), and both ends of the arc-shaped plate (71) are arranged with arc surfaces having the same arc as and matching with the outer wall of the rotating drum (7).

4. A tower type multiple-effect evaporator according to claim 3, characterized in that: A slide groove (702) communicating with the through hole (701) is arranged in the rotating drum (7), a slider (711) is arranged on the arc plate (71), and the slider (711) is inserted into the slide groove (702) on the corresponding side and is slidably connected thereto.

5. A tower type multiple effect evaporator according to claim 1, characterized in that: The transmission assembly comprises a rotating shaft A (8), a rotating shaft B (11) and a synchronous assembly. The rotating shaft A (8) is coaxially connected to the rotating drum (7) and is rotationally connected to the guide tube (5). A bevel gear A (10) is arranged on the mounting shaft of the impeller (9). The rotating shaft B (11) is connected to the bevel gear B (12) and is rotationally connected to the separation tank (4). The bevel gear A (10) and the bevel gear B (12) are meshed and connected. The rotating shaft A (8) and the rotating shaft B (11) are transmission-connected via the synchronous assembly.

6. A tower type multiple-effect evaporator according to claim 5, characterized in that: The synchronous assembly comprises a pulley A, a pulley B and a toothed belt. The pulley A is connected to a rotating shaft A (8), the pulley B is connected to a rotating shaft B (11), and the pulley A and the pulley B are driven by the toothed belt.

7. A tower type multiple effect evaporator according to claim 1, characterized in that: The output end of the compressor (14) is connected to a return pipe (15), the other end of the return pipe (15) is inserted into the evaporation tank (1) and is connected to the air inlet end of the evaporator, and the return pipe (15) is connected to an air inlet pipe (16) of an external steam output device.

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