Cutting resin cleaning device

Abstract

The utility model provides a cutting resin cleaning device. The cutting resin cleaning device comprises an ether tank, a resin cleaning tank and a waste liquid tank, a liquid outlet of the ether tank is communicated with the resin cleaning tank, and a waste liquid outlet in the bottom of the resin cleaning tank is communicated with the waste liquid tank; the resin cleaning tank comprises a tank body, a waste liquid detection unit, a stirring unit, a filtering unit and a lifting unit, the stirring unit is rotationally arranged in the tank body, the filtering unit is located at the bottom of the stirring unit, and waste liquid after cleaning is discharged from a waste liquid outlet after passing through the filtering unit; the lifting unit is connected with the filtering unit and drives the filtering unit to ascend and descend in the tank body, and the waste liquid detection unit is arranged at the bottom of the tank body. The whole system disclosed by the utility model adopts a closed mode, so that the harm of chemical reagents such as ether, acid and the like to the body of an operator is reduced to the greatest extent.

Description

Technical Field

[0001] The utility model relates to the field of resin cleaning, in particular to a cut-off resin cleaning device. Background Art

[0002] Currently, the entire process of adding ether, stirring and cleaning the resin, and transferring the waste liquid during the cleaning of synthetic peptide cut-off resins must be completed manually. However, the manual operation process lacks the accuracy of solution addition and the uniformity of resin stirring, and there is no measure to detect the cleaning effect during the cleaning process.

[0003] In the Chinese patent document with the announcement number CN201711326U, a tank cleaning system is disclosed, including a nozzle, a pulley, a recovery water tank, a first water pump, and a second water pump. The recovery water tank is connected to the tank outlet through a water pipe, and a first water pump is arranged between the recovery water tank and the tank outlet; the nozzle is connected to the recovery water tank through a water pipe, and a second water pump is arranged between the nozzle and the recovery water tank; the pulley is installed on the top of the tank, and the nozzle is raised and lowered in the tank through the pulley. This cleaning system also cannot determine whether it is clean. Utility Model Content

[0004] In view of the defects in the prior art, the utility model aims to provide a cutting resin cleaning device.

[0005] A cut-off resin cleaning device provided by the utility model comprises: an ether tank, a resin cleaning tank and a waste liquid tank;

[0006] The liquid outlet of the ether tank is connected to the resin cleaning tank, and the waste liquid outlet at the bottom of the resin cleaning tank is connected to the waste liquid tank;

[0007] The resin cleaning tank includes a tank body, a waste liquid detection unit, a stirring unit, a filtering unit and a lifting unit. The stirring unit is rotatably arranged inside the tank body, and the filtering unit is located at the bottom of the stirring unit. After cleaning, the waste liquid passes through the filtering unit and is discharged from the waste liquid outlet; the lifting unit is connected to the filtering unit to drive the filtering unit to rise and fall inside the tank body, and the waste liquid detection unit is arranged at the bottom of the tank body.

[0008] Preferably, an ether inlet hose and an air inlet and outlet are arranged on the top of the ether tank, and a spray ball is arranged on the top of the ether tank.

[0009] Preferably, the outer sides of the ether tank, the resin cleaning tank and the waste liquid tank are all provided with insulation jackets, and the ether tank, the resin cleaning tank and the waste liquid tank are all provided with liquid level gauges.

[0010] Preferably, the resin cleaning tank body comprises an upper tank and a lower tank, the upper tank and the lower tank are connected by a fixed buckle, a sealing gasket is arranged at the connection between the upper tank and the lower tank, and the filter unit is arranged on the lower tank.

[0011] Preferably, the lifting unit comprises a telescopic cylinder, a fixed end of the telescopic cylinder is arranged on the tank body, and a driving end of the telescopic cylinder is connected to the stirring unit.

[0012] Preferably, it also includes a retraction spring, and two ends of the retraction spring are respectively connected to the fixed end and the driving end of the telescopic cylinder.

[0013] Preferably, the driving unit comprises a stirring motor, a stirring shaft and a stirring blade; the stirring motor is fixedly connected to the lifting unit, and the rotating shaft of the stirring motor is connected to the stirring blade via the stirring shaft.

[0014] Preferably, the waste liquid detection unit comprises an online pH meter.

[0015] Preferably, the waste liquid detection unit comprises an online conductivity meter.

[0016] Preferably, the top of the waste liquid tank is provided with a vacuum port for sucking the waste liquid, and an air inlet for discharging the waste liquid.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The whole system disclosed in the utility model adopts a closed mode, thereby minimizing the harm caused to the body of operators by chemical reagents such as ether and acid.

[0019] 2. The utility model can accurately determine the liquid level of the tank system of the ether tank, the resin cleaning tank and the waste liquid tank by using a tank liquid level gauge, thereby ensuring the accurate addition of the ether amount during resin cleaning. At the same time, the balance of the liquid levels of the three tanks can be used to determine whether the resin is drained after cleaning and filtration, thereby ensuring the resin cleaning effect;

[0020] 3. The utility model solves the problem of uneven stirring during the resin cleaning process by adopting a retractable stirring device, thereby achieving uniform and thorough resin cleaning.

[0021] 4. The utility model adopts an online pH meter and conductivity meter to display the pH and conductivity values ​​in real time during the waste liquid filtration stage. The pH and conductivity values ​​can be used to relatively accurately judge the acidity and alkalinity of the waste liquid and the conductivity of the waste liquid, that is, to judge the residual amount of acid in the resin, and then to judge the resin cleaning effect;

[0022] 5. By using a heat-insulating jacket, the temperature of the tank contents can be ensured in real time, thereby improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0024] Figure 1 It is an overall schematic diagram of the cleaning device disclosed in the utility model;

[0025] Figure 2 It is a schematic diagram of the principle of the telescopic cylinder in the utility model.

[0026] Description of reference numerals:

[0027] DETAILED DESCRIPTION

[0028] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0029] The utility model discloses a cut-off resin cleaning device, comprising: an ether tank 1, a resin cleaning tank 11 and a waste liquid tank 32; in a preferred embodiment, the ether tank 1 and the resin cleaning tank 11 are placed in a 1# fume hood, and the waste liquid tank is placed in a 2# fume hood. The volume of the ether tank 1 is 100L, the volume of the resin cleaning tank 11 is 40L, and the volume of the waste liquid tank 32 is 100L.

[0030] The liquid outlet of the ether tank 1 is connected to the resin cleaning tank 11, and the waste liquid outlet at the bottom of the resin cleaning tank 11 is connected to the waste liquid tank. The top of the ether tank 1 is provided with an ether inlet hose 2 and an air inlet and outlet 4. The air inlet and outlet 4 is used for vacuuming or nitrogen pressurizing when the ether enters the ether tank 1 or is transferred to the resin cleaning tank 11. The ether inlet hose 2 is used for vacuuming the collected ether into the ether tank 1. A spray ball 10 is provided at the top of the ether tank 1, and the cleaning liquid is transported to the spray ball 10 through the tank cleaning pipe 3.

[0031] The ether tank 1, the resin cleaning tank 11 and the waste liquid tank are all provided with a liquid level gauge 6 and a heat-insulating jacket 5; the liquid level gauge 6 is used to display the amount of ether entering the ether tank 1 and the amount of ether transferred to the resin cleaning tank 11; the heat-insulating jacket 5 is used to ensure that the temperature of the ether is the temperature required by the process, and refrigerant is added to the heat-insulating jacket 5 before the resin is cleaned. The tank support 7 is a device for supporting the tank.

[0032] The resin cleaning tank 11 includes a tank body, a resin feed port 12, a stirring unit, a filtering unit and a lifting unit. The resin feed port 12 is arranged at the top of the tank body, the cleaning tank top valve 9 is an ether transfer port, the stirring unit is rotatably arranged inside the tank body, the filtering unit is located at the bottom of the stirring unit, and the waste liquid after cleaning passes through the filtering unit and is discharged from the waste liquid outlet; the lifting unit is connected to the filtering unit to drive the filtering unit to rise and fall inside the tank body. The cleaning tank top valve 9 is an ether transfer port; the feeding port 12 is an addition port for the resin to be cleaned, and the exhaust port 13 is used to vent the pressure in the tank.

[0033] The lifting unit includes a telescopic cylinder, the fixed end of which is arranged on the tank body, and the driving end of which is connected to the stirring unit. The telescopic cylinder includes a compressed air inlet 16, a compressed air exhaust port 17, a cylinder sleeve 18, a top limit stop 19, and a retraction spring 15; the driving unit includes a stirring motor 14, a stirring shaft 20, and a stirring blade 21; by supplying compressed air to the compressed air inlet 16, the air pressure in the cylinder increases to lift the cylinder sleeve 18, thereby driving the stirring motor 14, the stirring shaft 20, and the stirring blade 21 to rise; by exhausting the telescopic stirring compressed air exhaust port 17, the cylinder sleeve 18 falls back under its own gravity and the pulling and contraction of the retraction spring 15, and the height is reduced, thereby driving the stirring motor 14, the stirring shaft 20, and the stirring blade 21 to lower. The top limit stop 19 limits the stroke of the cylinder sleeve 18.

[0034] The resin cleaning tank 11 includes an upper tank and a lower tank, which are connected by a fixed buckle. A sealing gasket 23 is provided at the connection between the upper tank and the lower tank, and the filtering unit is provided on the lower tank. A product collection port 24 is also provided on the lower tank for collecting resin after resin cleaning and drying. The filtering unit is a filter sand core 25, which is used to filter waste liquid during the resin cleaning and drying stage. The waste liquid is extracted from the bottom of the sand core, and the product, i.e., the resin, is above the filter sand core 25.

[0035] An online pH meter 26 and an online conductivity meter 27 are provided at the bottom of the resin cleaning tank 11. They are instruments for monitoring the acidity and alkalinity of the waste liquid and the conductivity of the waste liquid during the waste liquid extraction process, and are used to judge the effect of resin cleaning.

[0036] The top valve 29 of the waste liquid tank is a valve that needs to be opened when the waste liquid is pumped into the waste liquid tank 32; the vacuum port 30 is a connection port for the vacuum pump during the filtration process. The waste liquid tank 32 needs to be evacuated during the filtration stage, and the waste liquid in the resin cleaning tank 11 can be transferred to the waste liquid tank 32 after evacuation; the air inlet 31 is used to add nitrogen to the waste liquid tank 32 when the waste liquid is collected, so as to provide power for removing the waste liquid; the liquid level gauge 6 in the waste liquid tank 32 is an instrument for displaying the amount of waste liquid transferred in; the bottom valve 33 of the waste liquid tank is a valve that needs to be opened when the waste liquid is removed after the resin cleaning is completed; the tank body support 7 is a device for supporting the tank body.

[0037] Overall resin cleaning process: When cleaning, add the resin to be cleaned to the resin cleaning tank 11. Ether at -20°C is added to the ether tank 1 through the ether inlet hose 2. After nitrogen pressurization, the ether (the amount of ether is controlled by the liquid level meter) is transferred to the resin cleaning tank 11 through the ether tank bottom valve 8 and the spray ball 10. The position of the retractable stirring blade is adjusted so that the distance between the blade position and the filter sand core 25 is 3-4 cm. The retractable stirring motor 14 is started, and the stirring motor speed is adjusted. The resin is stirred and cleaned for 15-20 minutes. After cleaning, the stirring motor 14 is turned off, and the compressed air inlet 16 is opened to raise the stirring blade 21 and detach it from the resin plane. The bottom valve 28 of the resin cleaning tank is opened, and the top valve 29 of the waste liquid tank is opened. The waste liquid is vacuumed to the waste liquid tank 32. During the waste liquid extraction and filtration process, the acidity and alkalinity of the waste liquid and the conductivity of the waste liquid are measured by the online pH meter 26 and the online conductivity meter 27 to ensure the cleaning effect. Repeat the above steps repeatedly until the number of cleaning times required by the process is reached. After the resin cleaning is completed, the product collection port 24 is opened and the product is shoveled off with a shovel to collect the resin.

[0038] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.

Claims

1. A cutting resin cleaning device, characterized in that: include: An ether tank (1), a resin cleaning tank (11) and a waste liquid tank (32); The liquid outlet of the ether tank (1) is in communication with the resin cleaning tank (11), and the waste liquid outlet at the bottom of the resin cleaning tank (11) is in communication with the waste liquid tank (32); The resin cleaning tank (11) comprises a tank body, a waste liquid detection unit, a stirring unit, a filtering unit and a lifting unit. The stirring unit is rotatably arranged inside the tank body. The filtering unit is located at the bottom of the stirring unit. After cleaning, the waste liquid passes through the filtering unit and is discharged from the waste liquid outlet. The lifting unit is connected to the filtering unit to drive the filtering unit to rise and fall inside the tank body. The waste liquid detection unit is arranged at the bottom of the tank body.

2. The cut resin cleaning device according to claim 1, characterized in that: An ether inlet hose (2) and an air inlet and outlet (4) are arranged on the top of the ether tank (1), and a spray ball (10) is arranged inside the top of the ether tank (1).

3. The cut resin cleaning device according to claim 2, characterized in that: The outer sides of the ether tank (1), the resin cleaning tank (11) and the waste liquid tank (32) are all provided with heat-insulating jackets (5), and the ether tank (1), the resin cleaning tank (11) and the waste liquid tank (32) are all provided with liquid level gauges (6).

4. The cut resin cleaning device according to claim 1, characterized in that: The tank body comprises an upper tank and a lower tank, the upper tank and the lower tank are connected via a fixing buckle (22), a sealing gasket (23) is arranged at the connection between the upper tank and the lower tank, and the filter unit is arranged on the lower tank.

5. The cut resin cleaning device according to claim 1, characterized in that: The lifting unit comprises a telescopic cylinder, a fixed end of the telescopic cylinder is arranged on the tank body, and a driving end of the telescopic cylinder is connected to the stirring unit.

6. The cut resin cleaning device according to claim 5, characterized in that: It also comprises a retraction spring (15), the two ends of which are respectively connected to the fixed end and the driving end of the telescopic cylinder.

7. The cut resin cleaning device according to claim 1, characterized in that: The stirring unit comprises a stirring motor (14), a stirring shaft (20) and a stirring blade (21); the stirring motor (14) is fixedly connected to the lifting unit, and the rotating shaft of the stirring motor (14) is connected to the stirring blade (21) via the stirring shaft (20).

8. The cut resin cleaning device according to claim 1, characterized in that: The waste liquid detection unit comprises an online pH meter (26).

9. The cut resin cleaning device according to claim 1, characterized in that: The waste liquid detection unit comprises an online conductivity meter (27).

10. The cut resin cleaning device according to claim 1, characterized in that: The top of the waste liquid tank (32) is provided with a vacuum port (30) for sucking the waste liquid, and an air inlet (31) for discharging the waste liquid.

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