Cleaning system applied to low-temperature evaporator

Abstract

The invention belongs to the technical field of low-temperature evaporators, and discloses a cleaning system applied to a low-temperature evaporator, the cleaning system comprises an evaporation barrel and a steam outlet pipe, an evaporation assembly is arranged in the evaporation barrel, a cleaning assembly is arranged above the evaporation assembly, and a distribution type lifting assembly is fixedly sleeved with the evaporation barrel. During actual internal cleaning, on one hand, a liquid spraying pipe in an evaporation assembly directly faces an evaporation coil to conduct liquid flushing, continuous gas suction of a composite vacuum suction assembly is matched, intermittent suction is conducted in the rotating process, and the action of a distribution type lifting assembly is controlled; and meanwhile, the distributed lifting assembly is used for driving the cleaning assembly to reciprocate up and down to directly reach the outer side face of the evaporation coil to achieve flushing and friction cleaning during up-and-down movement, the rotary communicating sleeve is matched to drive the rotary communicating assembly to rotate, meanwhile, the inner wall of the evaporation barrel is rotationally stirred, stirring cleaning of the inner wall is completed, and the composite cleaning effect is good.

Description

Technical Field

[0001] The invention belongs to the technical field of low-temperature evaporators, and in particular relates to a cleaning system applied to low-temperature evaporators. Background Art

[0002] Low-temperature evaporators are mainly used to remove the solvent portion of a liquid solution through an evaporation process, thereby achieving a phase change between liquid and gas. An external heat source is used to heat the evaporated material to a temperature that causes it to evaporate, and then the steam is condensed through a cooling device to collect the desired product.

[0003] The cleaning system used in the prior art for the low-temperature evaporator usually needs to open the side window or the bottom outlet during use, extend the cleaning mechanism to the interior of the low-temperature evaporator cylinder, and directly flush it by rotation or flushing. However, due to the limitations of the window diameter and the size of the outlet, it is difficult for the cleaning equipment to fully enter the interior of the evaporator cylinder during actual cleaning, which limits the internal cleaning operation and makes cleaning difficult. At the same time, for the cleaning of the internal evaporator coil, due to the arrangement of the evaporator coil inside the low-temperature evaporator cylinder, the intricately coiled evaporator coil is difficult to fully contact with the cleaning mechanism, which limits the actual cleaning position and poor cleaning quality. In addition, the current cleaning steps can only be performed after the shutdown process, and the evaporator coil cannot be effectively cleaned during operation, resulting in poor overall cleaning effect. Summary of the invention

[0004] The object of the present invention is to provide a cleaning system for a low-temperature evaporator to solve the problems mentioned in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical scheme: a cleaning system for a low-temperature evaporator comprises an evaporator cylinder and a steam outlet pipe, an evaporator assembly is arranged inside the evaporator cylinder, a cleaning assembly is arranged above the evaporator assembly, a distributing lifting assembly is fixedly sleeved inside the evaporator cylinder, the top of the distributing lifting assembly is fixedly connected to the cleaning assembly, a rotating connecting sleeve is rotatably sleeved at the bottom of the evaporator cylinder, a rotating conducting assembly rotatably sleeved in the evaporator cylinder is fixedly connected to the outer surface of the rotating connecting sleeve, the top of the rotating conducting assembly is rotatably connected and connected to the distributing lifting assembly, a composite vacuum suction assembly and a power mechanism are respectively arranged at the bottom of the evaporator cylinder, the power mechanism drives the rotating connecting sleeve to rotate, the composite vacuum suction assembly controls the lifting action of the distributing lifting assembly through the rotating connecting sleeve and the rotating conducting assembly, the bottom of the distributing lifting assembly is fixedly connected to a sealing assembly, and the sealing assembly is located on the rotation path of the rotating conducting assembly.

[0006] Preferably, the steam outlet pipe is fixedly connected to the top of the evaporating cylinder, and the composite vacuum suction component sucks the air inside the evaporating cylinder.

[0007] Preferably, the evaporation component includes an evaporating coil, a liquid spray pipe and a spray hole, the inlet end and the outlet end of the evaporating coil both pass through the evaporating cylinder and extend to the outside, the liquid spray pipe is distributed in the gap between adjacent evaporating coils, the liquid inlet end of the liquid spray pipe passes through the evaporating cylinder and extends to the outside, and the spray holes are distributed around the outer surface of the liquid spray pipe.

[0008] Preferably, the rotating connecting sleeve includes a rotating tube, a gear 1, an internal cavity and a notch groove. The rotating tube is rotatably sleeved on the bottom of the evaporating cylinder through a bearing, the gear 1 is fixedly sleeved on the outer surface of the rotating tube, the internal cavity is opened in the inner wall of the rotating tube, the notch groove is opened at the top of the rotating tube, a through hole is provided on the outer side surface of the rotating tube, the through hole is connected to the internal cavity, and a sealing plug is provided at the bottom of the rotating tube.

[0009] Preferably, the rotating conducting assembly includes an arc-shaped air guide rod, a connecting ring, a top ring, an arc-shaped mouth and a suction hole, the arc-shaped air guide rod is fixedly connected to the outer surface of the rotating tube, the connecting ring is fixedly connected to the top of the arc-shaped air guide rod, the top ring is fixed to the top of the connecting ring, the arc-shaped mouth is opened at the top of the top ring and is connected to the interior of the connecting ring, the interior of the arc-shaped air guide rod is hollow and is respectively connected to the internal cavity and the interior of the connecting ring, and the suction hole is opened on the inner arc surface of the arc-shaped air guide rod and is connected to the interior of the arc-shaped air guide rod.

[0010] Preferably, the distributing lifting assembly includes a fixed ring, a fixed tube, a push rod, a spring and an annular groove, the fixed ring is fixedly sleeved on the inner wall of the evaporating cylinder, the fixed tube is fixedly connected to the top of the fixed ring, the lower end of the push rod is movably sleeved in the fixed tube and fixedly connected to the spring, the other end of the spring is fixed to the top of the fixed ring and is located in the fixed tube, the top of the push rod is fixedly connected to the cleaning assembly, the annular groove is opened at the bottom of the fixed ring, the inner surface of the annular groove is rotatably sleeved with the top ring, and the inner cavity of the fixed tube is connected to the arc-shaped air guide rod through an arc-shaped opening.

[0011] Preferably, the cleaning assembly includes a cleaning frame, a cleaning pad and a connecting frame, the cleaning frame is fixed to the bottom of the connecting frame, the cleaning pad is symmetrically installed on both sides of the inner wall of the cleaning frame, and the bottom of the cleaning frame has an opening, which corresponds one-to-one to the evaporating coil.

[0012] Preferably, the composite vacuum suction assembly includes a vacuum pump, a connecting sleeve, an intermediate tube and a storage cylinder. The connecting sleeve is fixed to the bottom of the evaporating cylinder body and is sleeved on the outside of the rotating tube. The intermediate tube is fixedly connected between the vacuum pump and the connecting sleeve. The vacuum pump sucks the air inside the rotating connecting sleeve through the intermediate tube and the connecting sleeve. The storage cylinder is fixedly connected to the bottom of the intermediate tube and is connected to the intermediate tube.

[0013] Preferably, the sealing assembly comprises a support rod and a sealing arc plate, the sealing arc plate is located on the rotation path of the suction hole, one end of the support rod is fixedly connected to the sealing arc plate, and the other end is fixed to the bottom of the distributing lifting assembly.

[0014] Preferably, the power mechanism includes a motor and a second gear, the motor drives the second gear to rotate, and the second gear is meshedly connected with the first gear.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The present invention utilizes the combined effects of the rotating connecting sleeve, the rotating conduction component, the distributing lifting component and the sealing component. When actually performing internal cleaning, on the one hand, liquid is directly flushed toward the evaporating coil through the liquid spray pipe in the evaporating component, and the compound vacuum suction component is used to continuously suck gas, and intermittently sucks and controls the movement of the distributing lifting component during the rotation process. At the same time, the distributing lifting component is used to drive the up and down reciprocating movement of the cleaning component to directly reach the outer side of the evaporating coil to achieve flushing and friction cleaning during the up and down movement. The rotating connecting sleeve is used to drive the rotation of the rotating conduction component, and the inner wall of the evaporating cylinder is rotated and stirred at the same time, so that the inner wall stirring cleaning is completed, and the compound cleaning effect is good.

[0017] 2. The present invention utilizes the composite vacuum suction component to continuously suck gas, and intermittently sucks and controls the movement of the distribution type lifting component during the rotation process. At the same time, the distribution type lifting component is used to drive the cleaning component to move back and forth up and down. During the evaporation operation, the cleaning component that moves up and down is removed to independently complete the friction descaling cleaning. During the evaporation process, real-time cleaning can be performed, and the surface wall thickness of the surface evaporator coil is uniform, ensuring the heat exchange rate, thereby improving the evaporation efficiency.

[0018] 3. The present invention firstly switches the position of the rotating conduction component after the evaporation is completed, keeps the suction hole open after being staggered with the sealing component, and cooperates with the composite vacuum suction component to achieve the suction effect on the bottom material with accumulated liquid and sediment inside after the evaporation is completed, cooperates with the suction hole with a small diameter to achieve solid-liquid separation, directly sucks in and separates the accumulated liquid under the vacuum suction effect, and quickly realizes the solid-liquid separation of the waste material at the bottom of the evaporation cylinder after the evaporation is completed, thereby improving the convenience of subsequent processing.

[0019] 4. The present invention utilizes the rotation effect of the rotary conduction component again to achieve internal rotation and scraping after solid-liquid separation, thereby accelerating the separation speed of internal solid sediments, quickly discharging the material through the disturbance effect, and thoroughly cleaning the inside of the evaporation cylinder, thereby greatly improving the solid separation efficiency after stirring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a back schematic diagram of the present invention;

[0022] Figure 3 It is a cross-sectional schematic diagram of the present invention;

[0023] Figure 4 It is a schematic diagram of the installation of the distribution type lifting assembly and the rotating conduction assembly of the present invention;

[0024] Figure 5 It is a schematic diagram of the connection between the distributing lifting assembly and the cleaning assembly of the present invention;

[0025] Figure 6 It is a cross-sectional schematic diagram of the distributing lifting assembly of the present invention;

[0026] Figure 7 It is a cross-sectional schematic diagram of the rotary conduction component and the rotary communication sleeve of the present invention;

[0027] Figure 8 It is a cross-sectional schematic diagram of the rotating connecting sleeve and the power mechanism of the present invention;

[0028] Fig. 9 is a schematic diagram of a sealing assembly of the present invention;

[0029] Fig.10 A schematic diagram of a composite vacuum suction assembly of the present invention;

[0030] Fig.11 Schematic diagram of the evaporation component of the present invention.

[0031] In the figure: 1. evaporation cylinder; 2. steam outlet pipe; 3. evaporation assembly; 31. evaporation coil; 32. spray pipe; 33. spray hole; 4. rotating connecting sleeve; 41. rotating pipe; 42. gear one; 43. internal cavity; 44. notch groove; 5. distribution lifting assembly; 51. fixed ring; 52. fixed pipe; 53. push rod; 54. spring; 55. ring groove; 6. rotating conduction assembly; 61. arc-shaped air guide rod; 62. connecting ring; 63. top ring; 64. arc-shaped mouth; 65. suction hole; 7. cleaning assembly; 71. cleaning frame; 72. cleaning pad; 73. connecting frame; 8. compound vacuum suction assembly; 81. vacuum pump; 82. connecting sleeve ring; 83. intermediate pipe; 84. storage cylinder; 9. power mechanism; 10. sealing assembly; 101. support rod; 102. sealing arc plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] like Figures 1 to 11 As shown, the embodiment of the present invention provides a cleaning system for a low-temperature evaporator, including an evaporating cylinder 1 and a steam outlet pipe 2. An evaporating assembly 3 is provided inside the evaporating cylinder 1, and a cleaning assembly 7 is provided above the evaporating assembly 3. A distributing lifting assembly 5 is fixedly sleeved inside the evaporating cylinder 1, and the top of the distributing lifting assembly 5 is fixedly connected to the cleaning assembly 7. A rotating connecting sleeve 4 is rotatably sleeved at the bottom of the evaporating cylinder 1, and a rotating conducting assembly 6 rotatably sleeved in the evaporating cylinder 1 is fixedly connected to the outer surface of the rotating connecting sleeve 4. The top of the rotating conducting assembly 6 is connected to the distributing lifting assembly 5. The distribution type lifting component 5 is rotatably connected and connected. A compound vacuum suction component 8 and a power mechanism 9 are respectively provided at the bottom of the evaporating cylinder 1. The power mechanism 9 drives the rotating connecting sleeve 4 to rotate. The compound vacuum suction component 8 controls the lifting action of the distribution type lifting component 5 through the rotating connecting sleeve 4 and the rotating conducting component 6. The bottom of the distributing type lifting component 5 is fixedly connected with a sealing component 10, and the sealing component is located on the rotating path of the rotating conducting component 6. The outside of the evaporating cylinder 1 is also provided with an external auxiliary vacuum pump component to realize the vacuum treatment inside the evaporating cylinder 1 and realize the low-temperature evaporation treatment.

[0034] Embodiment 1: When in use, the heat source is input into the evaporation coil 31 of the evaporation component 3, and the mixed solution to be treated is sprayed on the evaporation coil 31 on both sides through the liquid spray pipe 32 and the spray hole 33. The evaporated steam is discharged through the steam outlet pipe 2, and the remaining solution and part of the solute are accumulated inside the evaporation cylinder 1. When the machine is shut down for cleaning, the cleaning liquid is input through the liquid spray pipe 32 so that the cleaning liquid is sprayed onto the evaporation coil 31, and the composite vacuum suction component 8 is started. The vacuum pump 81 sucks the internal gas of the rotating connecting sleeve 4 through the intermediate pipe 83 and the connecting sleeve ring 82, and sucks the internal air of the rotating conduction component 6 through the internal cavity 43, and directly sucks the internal air of the distribution lifting component 5 through the internal cavity of the arc-shaped air guide rod 61, the connecting ring 62 and the arc-shaped mouth 64, so that a negative pressure is formed inside the fixed pipe 52, and the push rod 53 is driven downward by the negative pressure to move, and the top The downward movement of the cleaning assembly 7 causes the cleaning pad 72 to move downward and rub along the evaporating coil 31, completing a surface composite cleaning, and then starting the power mechanism 9, and rotating the connecting sleeve 4 to rotate, so that the rotating conduction assembly 6 rotates, and when the arc-shaped air guide rod 61 is staggered with the sealing assembly 10, the negative pressure environment inside the rotating conduction assembly 6 is bypassed through the suction hole 65, and the internal air pressure of the rotating conduction assembly 6 and the distribution-type lifting assembly 5 is restored, and the cleaning assembly 7 elastically moves up and resets, and with the slow rotation, the outer side surface of the evaporating coil 31 is reciprocated up and down to clean, and with the rotation of the arc-shaped air guide rod 61, the inner wall of the evaporating cylinder 1 is stirred and cleaned under the stirring effect, and the cleaning is complete and comprehensive; and during the evaporation operation, the up and down movement of the cleaning assembly 7 is controlled by the composite vacuum suction assembly 8, and the outer side surface of the evaporating coil 31 is basically cleaned during the evaporation operation.

[0035] Firstly, by utilizing the joint action of the rotating connecting sleeve 4, the rotating conducting component 6, the distributing lifting component 5 and the sealing component 10, when actually performing internal cleaning, on the one hand, liquid is directly flushed toward the evaporating coil 31 through the liquid spray pipe 32 in the evaporating component 3, and the compound vacuum suction component 8 continuously sucks gas, and intermittently sucks and controls the movement of the distributing lifting component 5 during the rotation process, and at the same time, the distributing lifting component 5 is used to drive the cleaning component 7 to move up and down to directly reach the outer side of the evaporating coil 31 to achieve flushing and friction cleaning during the up and down movement, and the rotating connecting sleeve 4 is used to drive the rotation of the rotating conducting component 6, and at the same time, the inner wall of the evaporating cylinder 1 is rotated and stirred to complete the inner wall stirring cleaning, and the compound cleaning effect is good.

[0036] In addition, by utilizing the composite vacuum suction component 8 to continuously suck gas, and intermittently sucking and controlling the movement of the distributing lifting component 5 during the rotation process, and utilizing the distributing lifting component 5 to drive the cleaning component 7 to move back and forth up and down, during the evaporation operation, the cleaning component 7 that moves up and down is removed, and the friction descaling cleaning is completed independently. During the evaporation process, real-time cleaning can be performed, and the surface wall thickness of the surface evaporating coil 31 is uniform, thereby ensuring the heat exchange rate and improving the evaporation efficiency.

[0037] Embodiment 2: After the evaporation process is completed, the residual liquid and mixture inside the evaporation cylinder 1 are left to stand, and the solid mixture is deposited. The position of the rotating connecting sleeve 4 is adjusted to drive the rotating conducting component 6 to rotate gently, ensure that the suction hole 65 and the sealing component 10 are misaligned, and keep the composite vacuum suction component 8 started. With the negative pressure adsorption effect, the air inside the arc-shaped air guide rod 61 is sucked, and the accumulated liquid in the evaporation cylinder 1 is sucked into the interior of the arc-shaped air guide rod 61 through the suction hole 65, and is sucked into the storage cylinder 84 through the internal cavity 43, the connecting sleeve ring 82 and the intermediate tube 83, so as to realize the precipitation and separation of the deposited liquid inside the evaporation cylinder 1, and complete the internal solid-liquid separation. Subsequently, the sealing plug at the bottom of the rotating tube 41 is opened, and the rotating connecting sleeve 4 is kept rotating. The arc-shaped air guide rod 61 rotates along the inner wall of the evaporation cylinder 1, and the internal deposited solids are scraped and separated downward through the rotating tube 41 to complete the internal cleaning.

[0038] First, after the evaporation is completed, by switching the position of the rotating conduction component 6, after staggering with the sealing component 10, the suction hole 65 is kept open, and the composite vacuum suction component 8 is cooperated to achieve the suction effect of the bottom material with accumulated liquid and sediment inside after the evaporation is completed. The suction hole 65 with a small diameter is cooperated to achieve solid-liquid separation. The accumulated liquid is directly sucked in and separated under the vacuum suction effect. After the evaporation is completed, the solid-liquid separation of the waste material at the bottom of the evaporation cylinder 1 is quickly achieved, thereby improving the convenience of subsequent processing.

[0039] In addition, by reusing the rotation effect of the rotary conduction component 6, internal rotation and scraping are achieved after solid-liquid separation, thereby accelerating the separation speed of internal solid sediments, and quickly discharging the material through the disturbance effect. At the same time, the inside of the evaporation cylinder 1 is thoroughly cleaned, greatly improving the solid separation efficiency after stirring.

[0040] Among them, the steam outlet pipe 2 is fixedly connected to the top of the evaporator cylinder 1, the composite vacuum suction component 8 sucks the air inside the evaporator cylinder 1, the evaporation component 3 includes an evaporation coil 31, a spray pipe 32 and a spray hole 33, the inlet end and the outlet end of the evaporation coil 31 both pass through the evaporator cylinder 1 and extend to the outside, the spray pipe 32 is distributed in the gap between adjacent evaporation coils 31, the liquid inlet end of the spray pipe 32 passes through the evaporator cylinder 1 and extends to the outside, and the spray holes 33 are distributed around the outer surface of the spray pipe 32.

[0041] The evaporation assembly 3 realizes low-temperature evaporation by introducing a heat source into the evaporation coil 31 and cooperating with the sprayed liquid under the negative pressure environment inside the evaporation cylinder 1. The arrangement of the liquid spray pipe 32 and the evaporation coil 31 improves the evaporation efficiency.

[0042] Among them, the rotating connecting sleeve 4 includes a rotating tube 41, a gear 42, an internal cavity 43 and a notch groove 44. The rotating tube 41 is rotatably sleeved on the bottom of the evaporating cylinder body 1 through a bearing, and the gear 42 is fixedly sleeved on the outer surface of the rotating tube 41. The internal cavity 43 is opened in the inner wall of the rotating tube 41, and the notch groove 44 is opened at the top of the rotating tube 41. A through hole is provided on the outer side surface of the rotating tube 41, and the through hole is connected to the internal cavity 43. A sealing plug is provided at the bottom of the rotating tube 41.

[0043] The rotating connecting sleeve 4 rotates to realize the rotation of the rotating conduction component 6, and realizes the conduction between the rotating conduction component 6 and the composite vacuum suction component 8. The notch groove 44 avoids obstruction of the discharge of materials at the bottom of the evaporation cylinder 1, and provides sufficient discharge space. The sealing plug is sealed during operation and opened during discharge.

[0044] Among them, the rotating conducting component 6 includes an arc-shaped air guide rod 61, a connecting ring 62, a top ring 63, an arc-shaped mouth 64 and a suction hole 65. The arc-shaped air guide rod 61 is fixedly connected to the outer surface of the rotating tube 41, the connecting ring 62 is fixedly connected to the top of the arc-shaped air guide rod 61, the top ring 63 is fixed to the top of the connecting ring 62, the arc-shaped mouth 64 is opened at the top of the top ring 63, and is connected with the interior of the connecting ring 62. The interior of the arc-shaped air guide rod 61 is hollow, and is respectively connected with the interior of the internal cavity 43 and the interior of the connecting ring 62. The suction hole 65 is opened on the inner arc surface of the arc-shaped air guide rod 61 and is connected with the interior of the arc-shaped air guide rod 61.

[0045] The rotating conduction component 6 realizes conduction during the rotation process. When intermittently sealing and opening with the sealing component 10, it cooperates with the arc-shaped mouth 64 and the suction hole 65 to realize intermittent suction of air for the distribution type lifting component 5, realizes intermittent lifting control of the distribution type lifting component 5, and when maintaining a continuous offset with the sealing component 10, it cooperates with the suction effect to realize the suction separation of the accumulated liquid and complete the solid-liquid separation.

[0046] Among them, the distributing lifting assembly 5 includes a fixed ring 51, a fixed tube 52, a push rod 53, a spring 54 and an annular groove 55. The fixed ring 51 is fixedly sleeved on the inner wall of the evaporating cylinder 1, the fixed tube 52 is fixedly connected to the top of the fixed ring 51, the lower end of the push rod 53 is movably sleeved in the fixed tube 52 and fixedly connected to the spring 54, the other end of the spring 54 is fixed to the top of the fixed ring 51 and is located in the fixed tube 52, the top of the push rod 53 is fixedly connected to the cleaning assembly 7, the annular groove 55 is opened at the bottom of the fixed ring 51, the inner surface of the annular groove 55 is rotatably sleeved with the top ring 63, and the inner cavity of the fixed tube 52 is connected to the arc-shaped air guide rod 61 through the arc-shaped opening 64.

[0047] The distribution type lifting assembly 5 controls the lifting and lowering of the push rod 53 through the change of internal air pressure, thereby controlling the lifting and lowering of the top cleaning assembly 7 to achieve the cleaning of the evaporating coil 31. The spring 54 quickly resets when the air pressure is restored to provide lifting power.

[0048] Among them, the cleaning component 7 includes a cleaning frame 71, a cleaning pad 72 and a connecting frame 73. The cleaning frame 71 is fixed at the bottom of the connecting frame 73, and the cleaning pad 72 is symmetrically installed on both sides of the inner wall of the cleaning frame 71. The bottom of the cleaning frame 71 has an opening, which corresponds one-to-one with the evaporating coil 31.

[0049] The cleaning assembly 7 achieves friction cleaning of the evaporating coil 31 through the cleaning pad 72, and the frame-type cleaning frame 71 is effectively inserted into the outer side of the evaporating coil 31 to achieve effective friction cleaning.

[0050] Among them, the composite vacuum suction assembly 8 includes a vacuum pump 81, a connecting ring 82, an intermediate tube 83 and a storage cylinder 84. The connecting ring 82 is fixed at the bottom of the evaporating cylinder body 1 and is sleeved on the outside of the rotating tube 41. The intermediate tube 83 is fixedly connected between the vacuum pump 81 and the connecting ring 82. The vacuum pump 81 sucks the air inside the rotating connecting sleeve 4 through the intermediate tube 83 and the connecting ring 82. The storage cylinder 84 is fixedly connected to the bottom of the intermediate tube 83 and is connected to the intermediate tube 83.

[0051] The composite vacuum suction component 8 utilizes the setting of the storage cylinder 84 to control the lifting and lowering of the distribution type lifting component 5 under the vacuum effect, and can also realize the suction and storage of accumulated liquid to complete the solid-liquid separation.

[0052] Among them, the sealing assembly 10 includes a support rod 101 and a sealing arc plate 102. The sealing arc plate 102 is located on the rotation path of the suction hole 65. One end of the support rod 101 is fixedly connected to the sealing arc plate 102, and the other end is fixed to the bottom of the distributing lifting assembly 5.

[0053] By utilizing the sealing component 10 to seal the suction hole 65, when sealing, negative pressure suction is achieved to contract the distributing lifting component 5, and when the seal is released, the spring resets the distributing lifting component 5, and at the same time, at the wrong start, guides the suction direction, directly acts on the accumulated liquid, and completes the suction out and separate storage of the accumulated liquid.

[0054] The power mechanism 9 includes a motor and a gear 2, the motor drives the gear 2 to rotate, and the gear 2 is meshed and connected with the gear 1 42 .

[0055] The working principle and use process of the present invention are as follows: when in use, a heat source is input into the evaporation coil 31 of the evaporation component 3, and the mixed solution to be treated is sprayed onto the evaporation coil 31 on both sides through the liquid spray pipe 32 and the spray hole 33, the evaporated steam is discharged through the steam outlet pipe 2, and the remaining solution and part of the solute are accumulated inside the evaporation cylinder 1, when the machine is shut down for cleaning, the cleaning liquid is input through the liquid spray pipe 32 so that the cleaning liquid is sprayed onto the evaporation coil 31, the composite vacuum suction component 8 is started, and the vacuum pump 81 sucks the internal gas of the rotating connecting sleeve 4 through the intermediate pipe 83 and the connecting sleeve ring 82, and sucks the internal air of the rotating conduction component 6 through the internal cavity 43 , the air inside the distribution lifting assembly 5 is directly sucked through the internal chamber of the arc-shaped air guide rod 61, the connecting ring 62 and the arc-shaped opening 64, so that negative pressure is formed inside the fixed pipe 52. Under the action of the negative pressure, the push rod 53 is driven downward to move, and the top cleaning assembly 7 is pulled downward to move, so that the cleaning pad 72 moves downward and rubs along the evaporating coil 31, completing a surface composite cleaning, and then the power mechanism 9 is started, and the connecting sleeve 4 is rotated to rotate, so that the rotating conduction assembly 6 rotates. When the arc-shaped air guide rod 61 is staggered with the sealing assembly 10, the negative pressure environment inside the rotating conduction assembly 6 is bypassed through the suction hole 65, and the rotating conduction assembly 6 and the distribution lifting assembly The air pressure inside the component 5 is restored, and the cleaning component 7 elastically moves up and resets. With the slow rotation, the outer side of the evaporating coil 31 is cleaned up and down reciprocatingly, and with the rotation of the arc-shaped air guide rod 61, the inner wall of the evaporating cylinder 1 is stirred and cleaned under the stirring effect, and the cleaning is complete and comprehensive; and during the evaporation operation, the up and down movement of the cleaning component 7 is controlled by the composite vacuum suction component 8, and the outer side of the evaporating coil 31 is basically cleaned during the evaporation operation; when the evaporation process is completed, the residual liquid and mixture inside the evaporating cylinder 1 are left to stand, and the solid mixture is deposited, and the position of the rotating connecting sleeve 4 is adjusted to drive the rotating conduction component 6 to rotate gently to ensure suction The hole 65 is misaligned with the sealing component 10, and the composite vacuum suction component 8 is kept started. With the negative pressure adsorption effect, the air inside the arc-shaped air guide rod 61 is sucked, and the accumulated liquid in the evaporating cylinder 1 is sucked into the interior of the arc-shaped air guide rod 61 through the suction hole 65, and is sucked into the storage cylinder 84 through the internal cavity 43, the connecting ring 82 and the intermediate tube 83, so as to realize the precipitation and separation of the deposited liquid inside the evaporating cylinder 1, and complete the internal solid-liquid separation. Then, the sealing plug at the bottom of the rotating tube 41 is opened, and the rotating connecting sleeve 4 is kept rotating. The arc-shaped air guide rod 61 rotates along the inner wall of the evaporating cylinder 1, and the internal deposited solids are scraped and separated downward through the rotating tube 41 to complete the internal cleaning.

[0056] 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 cleaning system for a low-temperature evaporator, comprising an evaporation cylinder (1) and a steam outlet pipe (2), characterized in that: An evaporation assembly (3) is provided inside the evaporation cylinder (1), a cleaning assembly (7) is provided above the evaporation assembly (3), a distribution type lifting assembly (5) is fixedly sleeved inside the evaporation cylinder (1), the top of the distribution type lifting assembly (5) is fixedly connected to the cleaning assembly (7), a rotatable connecting sleeve (4) is rotatably sleeved on the bottom of the evaporation cylinder (1), the outer surface of the rotatable connecting sleeve (4) is fixedly connected to a rotatable conducting assembly (6) rotatably sleeved in the evaporation cylinder (1), and the rotatable conducting assembly (6) is fixedly sleeved on the outer surface of the rotatable conducting assembly (6). The top is rotatably connected and communicated with the distributing lifting component (5); the bottom of the evaporating cylinder (1) is respectively provided with a composite vacuum suction component (8) and a power mechanism (9); the power mechanism (9) drives the rotating connecting sleeve (4) to rotate; the composite vacuum suction component (8) controls the lifting action of the distributing lifting component (5) through the rotating connecting sleeve (4) and the rotating conducting component (6); the bottom of the distributing lifting component (5) is fixedly connected with a sealing component (10); the sealing component is located on the rotating path of the rotating conducting component (6).

2. A cleaning system for a low-temperature evaporator according to claim 1, characterized in that: The steam outlet pipe (2) is fixedly connected to the top of the evaporating cylinder (1), and the composite vacuum suction component (8) sucks the air inside the evaporating cylinder (1).

3. A cleaning system for a low-temperature evaporator according to claim 2, characterized in that: The evaporation component (3) comprises an evaporation coil (31), a liquid spray pipe (32) and a spray hole (33); the inlet end and the outlet end of the evaporation coil (31) both pass through the evaporation cylinder (1) and extend to the outside; the liquid spray pipe (32) is distributed in the gap between adjacent evaporation coils (31); the liquid inlet end of the liquid spray pipe (32) passes through the evaporation cylinder (1) and extends to the outside; and the spray hole (33) is distributed around the outer surface of the liquid spray pipe (32).

4. The cleaning system for low-temperature evaporator according to claim 3, characterized in that: The rotating connecting sleeve (4) comprises a rotating tube (41), a gear one (42), an internal cavity (43) and a notch groove (44); the rotating tube (41) is rotatably sleeved on the bottom of the evaporating cylinder (1) via a bearing; the gear one (42) is fixedly sleeved on the outer surface of the rotating tube (41); the internal cavity (43) is opened in the inner wall of the rotating tube (41); the notch groove (44) is opened at the top of the rotating tube (41); a through hole is provided on the outer side surface of the rotating tube (41); the through hole is communicated with the internal cavity (43); and a sealing plug is provided at the bottom of the rotating tube (41).

5. The cleaning system for low-temperature evaporator according to claim 4, characterized in that: The rotating conduction assembly (6) comprises an arc-shaped air guide rod (61), a connecting ring (62), a top ring (63), an arc-shaped opening (64) and a suction hole (65); the arc-shaped air guide rod (61) is fixedly connected to the outer surface of the rotating tube (41); the connecting ring (62) is fixedly connected to the top of the arc-shaped air guide rod (61); the top ring (63) is fixed to the top of the connecting ring (62); the arc-shaped opening (64) is opened at the top of the top ring (63) and is connected to the inside of the connecting ring (62); the inside of the arc-shaped air guide rod (61) is hollow and is respectively connected to the inside of the internal cavity (43) and the inside of the connecting ring (62); the suction hole (65) is opened on the inner arc surface of the arc-shaped air guide rod (61) and is connected to the inside of the arc-shaped air guide rod (61).

6. A cleaning system for a low-temperature evaporator according to claim 5, characterized in that: The distributing lifting assembly (5) comprises a fixing ring (51), a fixing tube (52), a push rod (53), a spring (54) and an annular groove (55); the fixing ring (51) is fixedly sleeved on the inner wall of the evaporating cylinder (1); the fixing tube (52) is fixedly connected to the top of the fixing ring (51); the lower end of the push rod (53) is movably sleeved in the fixing tube (52) and is fixedly connected to the spring (54); the other end of the spring (54) is fixed to the top of the fixing ring (51) and is located in the fixing tube (52); the top of the push rod (53) is fixedly connected to the cleaning assembly (7); the annular groove (55) is provided at the bottom of the fixing ring (51); the inner surface of the annular groove (55) is rotatably sleeved with the top ring (63); the inner cavity of the fixing tube (52) is connected to the arc-shaped air guide rod (61) through the arc-shaped opening (64).

7. A cleaning system for a low-temperature evaporator according to claim 6, characterized in that: The cleaning assembly (7) comprises a cleaning frame (71), a cleaning pad (72) and a connecting frame (73); the cleaning frame (71) is fixed to the bottom of the connecting frame (73); the cleaning pad (72) is symmetrically mounted on two sides of the inner wall of the cleaning frame (71); the bottom of the cleaning frame (71) has an opening, which corresponds one to one with the evaporating coil (31).

8. The cleaning system for low-temperature evaporator according to claim 7, characterized in that: The composite vacuum suction assembly (8) comprises a vacuum pump (81), a connecting sleeve (82), an intermediate tube (83) and a storage cylinder (84); the connecting sleeve (82) is fixed to the bottom of the evaporating cylinder (1) and is sleeved on the outside of the rotating tube (41); the intermediate tube (83) is fixedly connected between the vacuum pump (81) and the connecting sleeve (82); the vacuum pump (81) sucks the air inside the rotating connecting sleeve (4) through the intermediate tube (83) and the connecting sleeve (82); the storage cylinder (84) is fixedly connected to the bottom of the intermediate tube (83) and is in communication with the intermediate tube (83).

9. A cleaning system for a low-temperature evaporator according to claim 8, characterized in that: The sealing assembly (10) comprises a support rod (101) and a sealing arc plate (102), wherein the sealing arc plate (102) is located on the rotation path of the suction hole (65), one end of the support rod (101) is fixedly connected to the sealing arc plate (102), and the other end is fixed to the bottom of the distributing lifting assembly (5).

10. A cleaning system for a low-temperature evaporator according to claim 9, characterized in that: The power mechanism (9) comprises a motor and a second gear, wherein the motor drives the second gear to rotate, and the second gear is meshedly connected with the first gear (42).

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