A continuously adsorbing and desorbing device and method capable of being automatically controlled

Abstract

The application discloses a kind of continuous adsorption and desorption device and method of automatic control, including cabinet, multiple adsorption columns, multiple electromagnetic valves and control system, each adsorption column has liquid inlet and liquid outlet, in the top of each adsorption column, through three-way upper liquid pipe, it is connected with raw material tank, desorption agent tank, cleaning agent tank respectively, three-way upper liquid pipe is installed three electromagnetic valves respectively, in the bottom of each adsorption column, through three-way lower liquid pipe, it is connected with three pumps respectively, three-way lower liquid pipe is installed three electromagnetic valves respectively.The device structure of the application is reasonable in design, and the adsorption is recycled.By automatic flushing soaking, perfect liberation of artificial, improve work efficiency and productivity.Intelligent degree is higher, one-key operation, automatic alarm, process indication, perfect solution to complex operation problem.In the treatment of high concentration wastewater, it performs outstandingly, and the adsorption effect is good, which shows that the design is suitable for various wastewater treatment occasions.

Description

Technical Field

[0001] This invention belongs to the field of chemical adsorption and desorption, and in particular to an automated continuous adsorption and desorption device and method. Background Technology

[0002] Existing adsorption-desorption devices suffer from cumbersome pretreatment processes for adsorbents, requiring manual cleaning and soaking, which are complex and inefficient. Their structural design is also flawed, leading to poor adsorption performance, especially when treating high-concentration wastewater. The adsorbent's limited adsorption capacity necessitates periodic replacement, but there's no clear indicator of when replacement is needed. Furthermore, the devices lack automation, requiring manual intervention and impacting overall efficiency. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an automated and controllable continuous adsorption-desorption device and method, which improves adsorption efficiency and work efficiency.

[0004] The technical solution adopted by this invention to solve the technical problem is:

[0005] The first aspect of the present invention is to provide an automated controllable continuous adsorption-desorption device, including a cabinet, multiple adsorption columns, multiple solenoid valves and a control system. Each adsorption column has an inlet and an outlet. The top of each adsorption column is connected to a raw material tank, a desorbent tank and a cleaning agent tank respectively through three inlet pipes. Three solenoid valves are installed on the three inlet pipes respectively. The bottom of each adsorption column is connected to three pumps respectively through three outlet pipes. Three solenoid valves are installed on the three outlet pipes respectively.

[0006] Moreover, there are five adsorption columns, namely adsorption column Z1, adsorption column Z2, adsorption column Z3, adsorption column Z4, and adsorption column Z5.

[0007] The top of the adsorption column Z1 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f16, f15, and f14 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f13, f12, and f11 are installed on the three outlet pipes respectively.

[0008] The top of the adsorption column Z2 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f26, f25, and f24 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f23, f22, and f21 are installed on the three outlet pipes respectively.

[0009] The top of the adsorption column Z3 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f36, f35, and f34 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f33, f32, and f31 are installed on the three outlet pipes respectively.

[0010] The top of the adsorption column Z4 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f46, f45, and f44 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f43, f42, and f41 are installed on the three outlet pipes respectively.

[0011] The top of the adsorption column Z5 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f56, f55, and f54 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f53, f52, and f51 are installed on the three outlet pipes respectively.

[0012] Install a connecting pipe between solenoid valve f11 and solenoid valve f24, and install solenoid valve f01 on the connecting pipe;

[0013] Install a connecting pipe between solenoid valve f21 and solenoid valve f34, and install solenoid valve f02 on the connecting pipe;

[0014] Install a connecting pipe between solenoid valve f31 and solenoid valve f44, and install solenoid valve f03 on the connecting pipe;

[0015] Install a connecting pipe between solenoid valve f41 and solenoid valve f54, and install solenoid valve f04 on the connecting pipe;

[0016] Install a connecting pipe between solenoid valve f51 and solenoid valve f14, and install solenoid valve f05 on the connecting pipe.

[0017] Furthermore, the cabinet is a rectangular frame with observation windows on both side panels.

[0018] Furthermore, a heat dissipation vent is provided on the lower cabinet of the adsorption column observation window.

[0019] In addition, a PLC automatic control display screen, progress indicator lights, and flow detection window are installed on the front of the cabinet.

[0020] Furthermore, there is a drain outlet at the top of the back of the cabinet and a drain inlet at the bottom.

[0021] Furthermore, cabinet doors are installed on the back of the cabinet, and casters are installed at the four corners of the bottom plate of the cabinet.

[0022] The second aspect of the present invention provides an adsorption / desorption method for the aforementioned automatically controllable continuous adsorption / desorption device, which includes the following operating modes:

[0023] (1) When multiple adsorption columns are connected in parallel and running continuously,

[0024] Open solenoid valves f13, f14, f23, f24, f33, f34, f43, f44, f53, and f54; start pump B01.

[0025] Elution of adsorption column Z1: Close solenoid valves f13 and f14, open solenoid valves f12 and f15, and simultaneously start pump B02 to elute adsorption column Z1. After the timed elution is completed, automatically close solenoid valves f12 and f15 and pump B02, and simultaneously open solenoid valves f11 and f16, and simultaneously start pump B03. Adsorption column Z1 is rinsed for a certain period of time, and after completion, automatically close solenoid valves f11 and f16 and shut off pump B03. After 5 seconds, open solenoid valves f13 and f14, and adsorption column Z1 continues to adsorb. The elution and cleaning process for adsorption columns Z2, Z3, Z4, and Z5 is the same as that for adsorption column Z1.

[0026] (2) When multiple adsorption columns are connected in series for adsorption and operating continuously...

[0027] Open valves: solenoid valves f13, f05, f04, f03, f02, f24; open pump B01; adsorption columns Z1, Z2, Z3, Z4, and Z5 adsorb simultaneously.

[0028] After a certain period of time, elution is performed using adsorption column Z1.

[0029] Open solenoid valve f53, close solenoid valve f13, close solenoid valve f05, open solenoid valve f15, open solenoid valve f12, start pump B02 to elute adsorption column Z1. After a certain time, close solenoid valve f15, open solenoid valve f12, and stop pump B02. Open solenoid valve f11, open solenoid valve f16, start pump B03 to flush adsorption column Z1. After a certain time, close solenoid valve f11, open solenoid valve f16, stop pump B03, open f13, open f05, close f53, and adsorb adsorption column Z1.

[0030] After a certain period of time, elution was performed using the Z5 adsorption column.

[0031] Open solenoid valves f43, f14, and f01; close solenoid valves f13 and f24; close solenoid valves f04 and f05; open solenoid valves f55 and f52; start pump B02 to perform elution of adsorption column Z5; after a certain period of time, close solenoid valves f55 and f52; stop pump B02. Open solenoid valves f51 and f56; start pump B03 to perform flushing of adsorption column Z5; after a certain period of time, close solenoid valves f51 and f56; stop pump B03; close solenoid valves f14, f43, and f01; open solenoid valves f04 and f05; open solenoid valves f13 and f24 to perform adsorption of adsorption column Z5.

[0032] After a certain period of time, elution was performed using the Z4 adsorption column.

[0033] Open solenoid valves f33, f54, and f01; close solenoid valves f13 and f24; close solenoid valves f03 and f04; open solenoid valves f45 and f42; start pump B02 to perform elution of adsorption column Z4; after a certain period of time, close solenoid valves f45 and f42; stop pump B02. Open solenoid valves f41 and f46; start pump B03 to perform flushing of adsorption column Z4; after a certain period of time, close solenoid valves f41 and f46; stop pump B03. Close solenoid valves f33, f54, and f01; open solenoid valves f13 and f24; open solenoid valves f03 and f04 to perform adsorption of adsorption column Z4.

[0034] After a certain period of time, elution was performed using the Z3 adsorption column.

[0035] Open solenoid valves f23, f44, and f01; close solenoid valves f13 and f24; close solenoid valves f02 and f03; open solenoid valves f35 and f32; start pump B02 to perform elution of adsorption column Z3; after a certain period of time, close solenoid valves f35 and f32; stop pump B02; open solenoid valves f31 and f36; start pump B03 to perform flushing of adsorption column Z3; after a certain period of time, close solenoid valves f31 and f36; stop pump B03; close solenoid valves f23, f44, and f01; open solenoid valves f13 and f24; open solenoid valves f02 and f03 to perform adsorption of adsorption column Z3.

[0036] After a certain period of time, elution is performed using the Z2 adsorption column.

[0037] Open solenoid valve f34, close solenoid valve f24, close solenoid valve f02, open solenoid valve f25, open solenoid valve f22, start pump B02 to perform adsorption column Z2 elution. After a certain period of time, close solenoid valve f25, close solenoid valve f22, and stop pump B02. Open solenoid valve f21, open solenoid valve f26, start pump B03 to perform adsorption column Z2 flushing. After a certain period of time, close solenoid valve f21, close solenoid valve f26, stop pump B03, close solenoid valve f34, open solenoid valve f24, open solenoid valve f02 to perform adsorption column Z2 adsorption.

[0038] (3) Single column desorption

[0039] To perform desorption of adsorption column Z1, open solenoid valves f13 and f14; start pump B01; and perform desorption of adsorption column Z1.

[0040] (4) Single column flushing

[0041] Perform flushing of adsorption column Z1 by opening solenoid valves f11 and f16; start pump B03; and perform flushing of adsorption column Z1.

[0042] The advantages and positive effects of this invention are:

[0043] This device features a rational structural design and cyclic adsorption. Automated rinsing and soaking completely eliminates manual labor, significantly improving work efficiency and productivity. Its high level of automation, with one-button operation, automatic alarms, and progress indicators, perfectly solves the problem of complex operation. It performs exceptionally well in treating high-concentration wastewater, demonstrating excellent cyclic adsorption efficiency, indicating that this design is suitable for various wastewater treatment applications. Attached Figure Description

[0044] Figure 1 This is a frontal perspective view of the device of the present invention;

[0045] Figure 2 This is a schematic diagram of the reverse three-dimensional structure of the device of the present invention;

[0046] Figure 3 This is a connection diagram of the adsorption column, solenoid valve, and pump of the present invention.

[0047] Among them, 1. Observation window, 2. Heat dissipation vent, 3. PLC automatic control display screen, 4. Process indicator light, 5. Flow detection window, 6. Roller, 7. Cabinet, 8. Cabinet door, 9. Water inlet, 10. Water outlet. Detailed Implementation

[0048] The present invention will be further described in detail below through specific embodiments. The following embodiments are merely descriptive and not limiting, and should not be used to limit the scope of protection of the present invention.

[0049] like Figure 1-2The illustrated continuous adsorption-desorption device with automated control includes a cabinet, multiple adsorption columns, multiple solenoid valves, and a control system.

[0050] The cabinet is a rectangular frame made of metal, and its surface is coated with a non-slip and wear-resistant white paint. Observation windows 1 are made on both side panels of the cabinet, providing a perfect view for determining when the adsorbent needs to be replaced, making operation simpler and more intuitive.

[0051] A heat dissipation vent 2 is installed on the lower part of the cabinet below the adsorption column observation window. A PLC automatic control display screen, progress indicator light 4, and flow detection window 5 are installed on the front of the cabinet. A drain outlet 10 is located at the upper part of the back of the cabinet, and a drain inlet 9 is located at the lower part, for adding water and wastewater, and discharging treated water. A cabinet door 8 is installed on the back of the cabinet, and casters 6 are installed at the four corners of the cabinet's base plate for easy short-distance movement.

[0052] like Figure 3 As shown, there are 5 adsorption columns, namely adsorption column Z1, adsorption column Z2, adsorption column Z3, adsorption column Z4 and adsorption column Z5. Each adsorption column has an inlet and an outlet.

[0053] The top of the adsorption column Z1 is connected to the raw material tank, desorbent tank, and cleaning agent tank via three inlet pipes. Solenoid valves f16, f15, and f14 are installed on each of these three inlet pipes. The bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes. Solenoid valves f13, f12, and f11 are installed on each of these three outlet pipes.

[0054] The top of adsorption column Z2 is connected to the raw material tank, desorbent tank, and cleaning agent tank via three inlet pipes. Solenoid valves f26, f25, and f24 are installed on each of these three inlet pipes. The bottom of adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes. Solenoid valves f23, f22, and f21 are installed on each of these three outlet pipes.

[0055] The top of adsorption column Z3 is connected to the raw material tank, desorbent tank, and cleaning agent tank via three inlet pipes. Solenoid valves f36, f35, and f34 are installed on each of these three inlet pipes. The bottom of adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes. Solenoid valves f33, f32, and f31 are installed on each of these three outlet pipes.

[0056] The top of adsorption column Z4 is connected to the raw material tank, desorbent tank, and cleaning agent tank via three inlet pipes. Solenoid valves f46, f45, and f44 are installed on each of these three inlet pipes. The bottom of adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes. Solenoid valves f43, f42, and f41 are installed on each of these three outlet pipes.

[0057] The top of adsorption column Z5 is connected to the raw material tank, desorbent tank, and cleaning agent tank via three inlet pipes. Solenoid valves f56, f55, and f54 are installed on each of these three inlet pipes. The bottom of adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes. Solenoid valves f53, f52, and f51 are installed on each of these three outlet pipes.

[0058] Install a connecting pipe between solenoid valve f11 and solenoid valve f24, and install solenoid valve f01 on the connecting pipe.

[0059] Install a connecting pipe between solenoid valve f21 and solenoid valve f34, and install solenoid valve f02 on the connecting pipe.

[0060] Install a connecting pipe between solenoid valve f31 and solenoid valve f44, and install solenoid valve f03 on the connecting pipe.

[0061] Install a connecting pipe between solenoid valve f41 and solenoid valve f54, and install solenoid valve f04 on the connecting pipe.

[0062] Install a connecting pipe between solenoid valve f51 and solenoid valve f14, and install solenoid valve f05 on the connecting pipe.

[0063] The control system includes a flow meter, multiple pumps, and a controller. The flow meter measures the influent and wastewater flow rates, the multiple pumps transport the feed solution into the adsorbent column for circulation, and the controller provides on / off control to the solenoid valves and controls the operation of both devices.

[0064] The solenoid valve controls the adsorbent column for adsorption, rinsing, and shut-off. Combined with the control system, it enables one-button operation of multiple adsorbent columns for cyclic adsorption, desorption, and rinsing.

[0065] Operating principle combined with appendix Figure 3 Provide a detailed explanation;

[0066] (1) Parallel adsorption, continuous operation

[0067] Check that the valves are closed, open solenoid valves f13, f14, f23, f24, f33, f34, f43, f44, f53, and f54, and start pump B01.

[0068] Z1 Elution: Close solenoid valves f13 and f14, open solenoid valves f12 and f15, and simultaneously start pump B02 for Z1 elution. The "Z1 Elution" button will automatically light up. After the timed elution is completed (elution time can be set and changed), solenoid valves f12 and f15 and pump B02 will automatically close, while solenoid valves f11 and f16 will open and pump B03 will start. The "Z1 Rinse" button will automatically light up, and a certain amount of rinsing will be performed (rinsing time can be set and changed). After completion, solenoid valves f11 and f16 will automatically close, and pump B03 will be turned off. The elution button will be turned off. After 5 seconds, solenoid valves f13 and f14 will be opened, and the "Z1 Adsorption" button will automatically light up.

[0069] Eluting is performed using Z2, Z3, Z4, and Z5. The washing process is the same as Z1.

[0070] (2) Series adsorption (lamp), continuous operation

[0071] Click the "Series Adsorption" button;

[0072] The system checks that the valves are closed, and opens the following solenoid valves: f13, f05, f04, f03, f02, f24; pump B01 is started; lamps Z1, Z2, Z3, Z4, and Z5 light up.

[0073] After a certain period of time (in automatic mode); click "Z1 Washout" (in manual mode).

[0074] Open solenoid valve f53, close solenoid valve f13, close solenoid valve f05. Open solenoid valves f15 and f12, start pump B02, the "Z1 Washing" light illuminates; after a certain time (time can be set); close solenoid valves f15 and f12, stop pump B02; open solenoid valves f11 and f16, start pump B03, the "Z1 Rinsing" light illuminates; after a certain time (time can be set); close solenoid valves f11 and f16, stop pump B03. Open f13 and f05, close f53 to begin Z1 adsorption on the adsorption column;

[0075] After a certain period of time (in automatic mode); click "Z5 Wash-off" (in manual mode).

[0076] Open solenoid valves f43, f14, and f01; close solenoid valves f13 and f24; close solenoid valves f04 and f05. Open solenoid valves f55 and f52, start pump B02, and the "Z5 Washout" light will illuminate; after a set time (time can be set); close solenoid valves f55 and f52, and stop pump B02. Open solenoid valves f51 and f56, start pump B03, and the "Z5 Rinse" light will illuminate; after a set time (time can be set); close solenoid valves f51 and f56, and stop pump B03. Close solenoid valves f14, f43, and f01; open solenoid valves f04, f05, f13, and f24, and the "Z5 Adsorption" light will illuminate.

[0077] After a certain period of time (in automatic mode); click "Z4 Washout" (in manual mode).

[0078] Open solenoid valves f33, f54, and f01; close solenoid valves f13 and f24; close solenoid valves f03 and f04. Open solenoid valves f45 and f42, start pump B02, and the "Z4 Washout" light will illuminate; after a set time (time can be set); close solenoid valves f45 and f42, and stop pump B02. Open solenoid valves f41 and f46, start pump B03, and the "Z4 Rinse" light will illuminate; after a set time (time can be set); close solenoid valves f41 and f46, and stop pump B03. Close solenoid valves f33, f54, and f01; open solenoid valves f13, f24, f03, and f04, and the "Z4 Adsorption" light will illuminate.

[0079] After a certain period of time (in automatic mode); click "Z3 Washout" (in manual mode).

[0080] Open solenoid valves f23, f44, and f01; close solenoid valves f13 and f24; close solenoid valves f02 and f03. Open solenoid valves f35 and f32, start pump B02, and the "Z3 Washout" light will illuminate; after a set time (time can be set); close solenoid valves f35 and f32, and stop pump B02. Open solenoid valves f31 and f36, start pump B03, and the "Z4 Rinse" light will illuminate; after a set time (time can be set); close solenoid valves f31 and f36, and stop pump B03. Close solenoid valves f23, f44, and f01; open solenoid valves f13, f24, f02, and f03, and the "Z3 Adsorption" light will illuminate.

[0081] After a certain period of time (in automatic mode); click "Z2 Washout" (in manual mode).

[0082] Open solenoid valve f34, close solenoid valve f24, close solenoid valve f02. Open solenoid valves f25 and f22, start pump B02, the "Z2 Washing" light illuminates; after a certain time (time can be set); close solenoid valves f25 and f22, stop pump B02; open solenoid valves f21 and f26, start pump B03, the "Z2 Flushing" light illuminates; after a certain time (time can be set); close solenoid valves f21 and f26, stop pump B03. Close solenoid valve f34, open solenoid valves f24 and f02, the "Z2 Adsorption" light illuminates.

[0083] (3) Top washing of the liquid

[0084] Replace the water in the pores of the adsorbent column with a small amount of product solution (this can introduce water into the product). This avoids diluting the product and allows for water reuse, saving on the total water consumption of the system. Click the "Single Injection Desorption" button;

[0085] Select "Z1 column desorption" (in manual mode).

[0086] The system checks that the valves are closed, opens the solenoid valves f13 and f14; starts pump B01; the "Z1 Desorption" indicator light illuminates.

[0087] (4) Single column

[0088] Countercurrent flushing within a single column can easily remove solid suspended matter from the top of the adsorption column, loosen the adsorbent, and prevent clumping.

[0089] Click the "Single Injection Backflow Flush" button;

[0090] If you select "Z1 column counterflow" (in manual mode)

[0091] The system checks that the valves are closed, opens the solenoid valves f11 and f16; starts the B03 pump; the "Z1 flush" indicator light illuminates.

[0092] (5) The adsorption, desorption, and rinsing processes can be varied.

[0093] The system is designed with multiple programs to control the switching of various solenoid valves, enabling simultaneous adsorption and desorption, and automatic rinsing after desorption is completed.

[0094] The above description is only a preferred embodiment of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the inventive concept, and these all fall within the protection scope of the present invention.

Claims

1. An automated, continuously controllable adsorption-desorption device, characterized in that, The system includes a cabinet, multiple adsorption columns, multiple solenoid valves, and a control system. Each adsorption column has an inlet and an outlet. The top of each adsorption column is connected to the raw material tank, desorbent tank, and cleaning agent tank via three inlet pipes. Three solenoid valves are installed on each of the three inlet pipes. The bottom of each adsorption column is connected to three pumps via three outlet pipes. Three solenoid valves are installed on each of the three outlet pipes. The adsorption columns consist of five columns: adsorption column Z1, adsorption column Z2, adsorption column Z3, adsorption column Z4, and adsorption column Z5. The top of the adsorption column Z1 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f16, f15, and f14 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f13, f12, and f11 are installed on the three outlet pipes respectively. The top of the adsorption column Z2 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f26, f25, and f24 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f23, f22, and f21 are installed on the three outlet pipes respectively. The top of the adsorption column Z3 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f36, f35, and f34 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f33, f32, and f31 are installed on the three outlet pipes respectively. The top of the adsorption column Z4 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f46, f45, and f44 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f43, f42, and f41 are installed on the three outlet pipes respectively. The top of the adsorption column Z5 is connected to the raw material tank, the desorbent tank, and the cleaning agent tank via three inlet pipes; solenoid valves f56, f55, and f54 are installed on the three inlet pipes respectively; the bottom of the adsorption column Z1 is connected to pumps B01, B02, and B03 via three outlet pipes; solenoid valves f53, f52, and f51 are installed on the three outlet pipes respectively. Install a connecting pipe between solenoid valve f11 and solenoid valve f24, and install solenoid valve f01 on the connecting pipe; Install a connecting pipe between solenoid valve f21 and solenoid valve f34, and install solenoid valve f02 on the connecting pipe; Install a connecting pipe between solenoid valve f31 and solenoid valve f44, and install solenoid valve f03 on the connecting pipe; Install a connecting pipe between solenoid valve f41 and solenoid valve f54, and install solenoid valve f04 on the connecting pipe; Install a connecting pipe between solenoid valve f51 and solenoid valve f14, and install solenoid valve f05 on the connecting pipe.

2. The continuously adsorption / desorption device with automatic controllability according to claim 1, characterized in that, The cabinet is a rectangular frame with observation windows on both side panels.

3. The continuously adsorption / desorption device with automatic control according to claim 2, characterized in that, A heat dissipation vent is provided on the lower cabinet of the adsorption column observation window.

4. The continuously adsorption / desorption device with automatic control according to claim 3, characterized in that, The front of the cabinet is equipped with a PLC automatic control display screen, progress indicator lights, and flow detection window.

5. The continuously adsorption / desorption device with automatic control according to claim 4, characterized in that, There is a drain outlet at the top of the back of the cabinet and a drain inlet at the bottom.

6. The continuously adsorption / desorption device with automatic control according to claim 5, characterized in that, Install cabinet doors on the back of the cabinet and install casters at the four corners of the cabinet's bottom plate.

7. The adsorption-desorption method of the automated controllable continuous adsorption-desorption device according to any one of claims 1-6, characterized in that, The operating modes are as follows: (1) When multiple adsorption columns are connected in parallel and running continuously, Open solenoid valves f13, f14, f23, f24, f33, f34, f43, f44, f53, and f54; start pump B01. Elution of adsorption column Z1: Close solenoid valves f13 and f14, open solenoid valves f12 and f15, and simultaneously start pump B02 to elute adsorption column Z1. After the timed elution is completed, automatically close solenoid valves f12 and f15 and pump B02, and simultaneously open solenoid valves f11 and f16, and simultaneously start pump B03. Adsorption column Z1 is rinsed for a certain period of time, and after completion, automatically close solenoid valves f11 and f16 and shut off pump B03. After 5 seconds, open solenoid valves f13 and f14, and adsorption column Z1 continues to adsorb. The elution and cleaning process for adsorption columns Z2, Z3, Z4, and Z5 is the same as that for adsorption column Z1. (2) When multiple adsorption columns are connected in series for adsorption and operate continuously, Open valves: solenoid valves f13, f05, f04, f03, f02, f24; open pump B01; adsorption columns Z1, Z2, Z3, Z4, and Z5 adsorb simultaneously. After a certain period of time, elution is performed using adsorption column Z1. Open solenoid valve f53, close solenoid valve f13, close solenoid valve f05, open solenoid valve f15, open solenoid valve f12, start pump B02 to elute adsorption column Z1. After a certain time, close solenoid valve f15, open solenoid valve f12, and stop pump B02. Open solenoid valve f11, open solenoid valve f16, start pump B03 to flush adsorption column Z1. After a certain time, close solenoid valve f11, open solenoid valve f16, stop pump B03, open f13, open f05, close f53, and adsorb adsorption column Z1. After a certain period of time, elution was performed using the Z5 adsorption column. Open solenoid valves f43, f14, and f01; close solenoid valves f13 and f24; close solenoid valves f04 and f05; open solenoid valves f55 and f52; start pump B02 to perform elution of adsorption column Z5; after a certain period of time, close solenoid valves f55 and f52; stop pump B02. Open solenoid valves f51 and f56; start pump B03 to perform flushing of adsorption column Z5; after a certain period of time, close solenoid valves f51 and f56; stop pump B03; close solenoid valves f14, f43, and f01; open solenoid valves f04 and f05; open solenoid valves f13 and f24 to perform adsorption of adsorption column Z5. After a certain period of time, elution was performed using the Z4 adsorption column. Open solenoid valves f33, f54, and f01; close solenoid valves f13 and f24; close solenoid valves f03 and f04; open solenoid valves f45 and f42; start pump B02 to perform elution of adsorption column Z4. After a certain period of time, close solenoid valves f45 and f42 and stop pump B02. Open solenoid valves f41 and f46; start pump B03 to perform flushing of adsorption column Z4. After a certain period of time, close solenoid valves f41 and f46 and stop pump B03. Close solenoid valves f33, f54, and f01; open solenoid valves f13 and f24; open solenoid valves f03 and f04 to perform adsorption of adsorption column Z4. After a certain period of time, elution was performed using the Z3 adsorption column. Open solenoid valves f23, f44, and f01; close solenoid valves f13 and f24; close solenoid valves f02 and f03; open solenoid valves f35 and f32; start pump B02 to perform elution of adsorption column Z3; after a certain period of time, close solenoid valves f35 and f32; stop pump B02; open solenoid valves f31 and f36; start pump B03 to perform flushing of adsorption column Z3; after a certain period of time, close solenoid valves f31 and f36; stop pump B03; close solenoid valves f23, f44, and f01; open solenoid valves f13 and f24; open solenoid valves f02 and f03 to perform adsorption of adsorption column Z3. After a certain period of time, elution is performed using the Z2 adsorption column. Open solenoid valve f34, close solenoid valve f24, close solenoid valve f02, open solenoid valve f25, open solenoid valve f22, start pump B02 to perform adsorption column Z2 elution. After a certain period of time, close solenoid valve f25, close solenoid valve f22, and stop pump B02. Open solenoid valve f21, open solenoid valve f26, start pump B03 to perform adsorption column Z2 flushing. After a certain period of time, close solenoid valve f21, close solenoid valve f26, stop pump B03, close solenoid valve f34, open solenoid valve f24, open solenoid valve f02 to perform adsorption column Z2 adsorption.

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