A high-efficiency negative pressure desalination device and method suitable for wooden thin plate cultural relics

Abstract

The present invention relates to a highly efficient negative pressure desalination device and method for wooden veneer artifacts. The device comprises an ultrasonic atomization assembly, a saturated pulp, and a negative pressure decontamination assembly. The saturated pulp is positioned on both sides of the wooden veneer artifact. The saturated pulp connects to the ultrasonic atomization assembly at the front of the artifact, providing atomized water. The saturated pulp connects to the negative pressure decontamination assembly at the rear of the artifact. The negative pressure decontamination assembly creates a negative pressure at the end of the device by vacuuming, thereby providing power to the front end of the device. The saturated pulp near the ultrasonic atomization assembly continuously supplies water, causing the water in the saturated pulp, under the action of negative pressure, to flow through the wooden veneer artifact, displacing any remaining salt within the artifact. Salt-containing wastewater flows from the artifact into the saturated pulp near the negative pressure decontamination assembly and then flows out. Compared to existing technologies, the present invention achieves highly efficient desalination of wooden veneer artifacts affected by salt damage.

Description

Technical Field

[0001] The invention belongs to the technical field of cultural relic protection and restoration, and relates to a high-efficiency negative pressure desalination device and method suitable for wooden thin plate cultural relics. Background Art

[0002] Numerous wooden veneer artifacts, such as those from ancient wooden ships and tombs, have been unearthed through archaeological excavations over the years, providing valuable material for research. However, many of these artifacts are subject to the deterioration of salts during their long-term preservation. Depending on the preservation environment, these salts can include salt from seawater, soil, or air. These salts can cause salt stains on the surface, corrode the structure, and cause deformation, cracking, or brittleness.

[0003] Currently, the primary method for removing salt damage from thin wooden panels is through deionized water immersion, combined with auxiliary circulating water, heating, ultrasonic waves, or electric fields to accelerate desalination. However, these methods are time-consuming, inefficient, and require significant water consumption. Large or complex artifacts require significant space, and salt deep within the artifacts is difficult to completely remove, potentially generating secondary contamination during the desalination process.

[0004] Patent CN115069663A discloses a three-in-one desalination device and desalination method for salt-containing cultural relics, comprising: a first tank for accommodating the cultural relics to be processed and subjecting the cultural relics to high and low pressure environments and high and low pressure circulating water operations; a second tank for providing deionized water to the first tank and regulating the pressure of the first tank; a third tank for discharging the deionized water in the first tank and regulating and balancing the pressure of the first tank; and a conductivity measuring unit for monitoring the conductivity of the solution in the first tank; wherein the air pressure range of the first tank is -0.1 to 0.5 MPa under normal temperature conditions. Although this patent can perform real-time monitorable desalination treatment on cultural relics by regulating and balancing circulating water, when desalting large or immovable cultural relics, there is a problem that it is difficult to monitor desalination in local areas in real time, or even impossible to perform desalination.

[0005] Patent CN112452916A discloses an ultrasonic desalination and desalination device and method for marine artifacts, comprising: a water tank, a desalination mechanism, an ultrasonic assembly, a desalination mechanism, and a condensation tank. The desalination mechanism is disposed at the side of the desalination mechanism and comprises: a housing, an annular water pipe, a desalination chamber, a first heating plate, an ultrasonic unit, and a central block. The annular water pipe is wound around the housing and communicates with the desalination chamber, and the desalination chamber is communicated with the annular water pipe. The first heating plate is disposed on the side wall of the desalination chamber; the ultrasonic unit is disposed at the bottom of the desalination chamber; and the central block is disposed in the desalination chamber and comprises a heating chamber and a second heating plate, the upper end of which communicates with the desalination chamber, and the second heating plate is disposed within the heating chamber. Although this patent uses ultrasound to desalinate marine artifacts, it can only be used for movable artifacts. Furthermore, applying ultrasound directly in the desalination chamber where the artifacts are placed is more likely to damage the artifacts, and real-time monitoring of desalination is impossible, resulting in certain limitations. Summary of the Invention

[0006] The purpose of the present invention is to overcome at least one of the defects of the above-mentioned prior art, namely, that wooden veneer cultural relics are severely damaged by salt in the seawater, salt in the soil or salt in the air in which the cultural relics are located, and to provide a high-efficiency negative pressure desalination device and method suitable for wooden veneer cultural relics. The present invention has a high-efficiency desalination effect on wooden veneer cultural relics affected by salt damage.

[0007] The purpose of the present invention can be achieved by the following technical solutions:

[0008] One of the technical solutions of the present invention is to provide a high-efficiency negative pressure desalination device suitable for wooden veneer cultural relics, the device comprising an ultrasonic atomization component, a saturated pulp and a negative pressure decontamination component, wherein the saturated pulp is arranged on both sides of the wooden veneer cultural relics;

[0009] The water-saturated paper pulp is connected to an ultrasonic atomizing assembly at the front side of the wooden veneer cultural relic, and the ultrasonic atomizing assembly is used to provide atomized water;

[0010] The saturated paper pulp is connected to a negative pressure decontamination assembly at the rear side of the wooden veneer artifact, and the negative pressure decontamination assembly creates a negative pressure state at the end of the device by vacuuming, thereby providing power to the front end of the device;

[0011] The saturated pulp near the ultrasonic atomization component is used to continuously supply water, so that the water in the saturated pulp flows through the wooden veneer artifact under the action of negative pressure, driving away the salt remaining inside the wooden veneer artifact;

[0012] The salty wastewater flows from the wooden veneer artifacts into the saturated pulp near the side of the negative pressure decontamination component and flows further out.

[0013] Furthermore, the saturated pulp is movably installed on both sides of the desalination part of the wooden thin plate cultural relic, and is used to desalinate various parts of the wooden thin plate cultural relic by moving the saturated pulp on both sides.

[0014] Furthermore, the ultrasonic atomization assembly includes a liquid supply tank, a piezoelectric transducer and an atomizing nozzle. The liquid supply tank is used to store water. The liquid supply tank is connected to the atomizing nozzle through a pipeline. Piezoelectric transducers are arranged on both sides of the pipeline. The piezoelectric transducer and the atomizing nozzle are used to ultrasonically atomize water.

[0015] As a preferred technical solution, the water source includes deionized water, distilled water or ultrapure water.

[0016] As a preferred technical solution, the liquid supply tank is provided with a water inlet, which is used to introduce external water source.

[0017] Furthermore, an expanding head is provided on the front side of the saturated pulp near the ultrasonic atomization component. The expanding head is connected to the atomization nozzle through a pipeline. The expanding head is used to connect the pipeline to transmit atomized water to a larger area of ​​saturated pulp.

[0018] Furthermore, the negative pressure decontamination assembly includes a liquid storage tank and a vacuum component, the liquid storage tank is used to collect salt-containing wastewater, the vacuum component is connected to the liquid storage tank, the vacuum component includes a vacuum pump or a vacuum generator, and the vacuum component is used to vacuum the liquid storage tank.

[0019] As a preferred technical solution, the liquid supply tank and the liquid storage tank are both made of lightweight pressure-resistant plastic or carbon fiber.

[0020] Furthermore, the liquid storage tank is provided with a pressure sensor, which is used to detect the pressure change in the device in real time and transmit a signal to the vacuum component according to the detected pressure value. When the pressure exceeds a safety threshold, the vacuum component stops working;

[0021] The pressure in the device may need to be lower than the safety strength threshold of the wooden veneer artifacts. By changing the power of the vacuum component to change the pressure in the device, the requirements for different wooden veneer artifacts can be met, and the scope of application is wider.

[0022] As a preferred technical solution, a drain outlet is provided at the bottom of the liquid storage tank, and the drain outlet is used to discharge saline wastewater.

[0023] Furthermore, an expansion head is provided on the rear side of the saturated pulp near the negative pressure decontamination component, which is connected to the liquid storage tank through a pipeline. The expansion head is used to provide a flow channel for salt-containing wastewater to flow into the pipeline for a larger area of ​​saturated pulp.

[0024] Furthermore, the device also includes a pull-out detection component, which is pull-out installed at the saturated pulp on the back side of the wooden veneer cultural relic, and is used to detect the salt ion concentration in the saline wastewater in real time and determine the desalination end point. The pull-out design allows operators to easily take samples, thereby improving the convenience and humanization of operation, taking into account the needs of actual operations, and providing a more convenient and effective working environment for staff.

[0025] Furthermore, the pulling detection component is arranged between the rear side of the saturated pulp close to the negative pressure decontamination component and the expansion head, and includes a salt concentration color test paper or a conductivity meter, which detects the salt ion concentration in the saline wastewater in real time by measuring the color reaction or conductivity.

[0026] As a preferred technical solution, the salt ion concentration in the saline wastewater is detected by salt concentration colorimetric test paper; generally, the darker the color, the higher the salt ion concentration. When the salt concentration colorimetric test paper does not show color, it is the end point of desalination.

[0027] As a preferred technical solution, the desalination endpoint is determined by detecting the conductivity of the saline wastewater; the desalination effect of the wooden veneer cultural relics is determined by detecting the salt ion concentration in the saline wastewater by detecting the conductivity of the saline wastewater; the higher the conductivity, the more salt substances are in the wooden veneer cultural relics; the lower the conductivity, the less salt substances are in the wooden veneer cultural relics; the judgment threshold of the conductivity is 1-5μS / cm.

[0028] One of the technical solutions of the present invention is to provide a high-efficiency negative pressure desalination method applicable to wooden veneer cultural relics. The method uses the above-mentioned device to perform high-efficiency negative pressure desalination on wooden veneer cultural relics. The method comprises the following steps:

[0029] S1. Install water-saturated paper pulp on both sides of the wooden veneer artifact, secure the wooden veneer artifact to the bracket, and assemble the device;

[0030] S2. Turn on the ultrasonic atomization component to provide atomized water; turn on the negative pressure decontamination component, adjust the pressure in the device, provide power for the water, and regulate the water flow rate;

[0031] S3. After a period of desalination, sampling and testing are performed to check whether desalination is complete;

[0032] S4. If the salt ion concentration reaches the standard, the desalination demand is met;

[0033] S5. If the salt ion concentration does not meet the standard, desalination treatment needs to be continued until the salt ion concentration meets the standard;

[0034] S6. The salt substances attached to the wooden veneer cultural relics are cleaned, the desalination is completed, the ultrasonic atomization component and the negative pressure decontamination component are turned off, and the device is removed.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] (1) The present invention continuously supplies water to the saturated pulp applied to one side of the wooden veneer artifact through an ultrasonic atomization component, and applies negative pressure to the other side of the wooden veneer artifact, so as to promote the water in the saturated pulp to flow through the wooden veneer artifact and drive the salt inside the wooden veneer artifact to continuously and directionally migrate toward the negative pressure decontamination component, thereby achieving the purpose of removing the salt ions inside the wooden veneer artifact;

[0037] (2) The present invention does not require a large immersion device, requires less water after atomization, is fast and efficient, and will not cause secondary damage to cultural relics;

[0038] (3) The present invention detects the salt ion concentration in the saline wastewater in real time through a pull-out detection component to determine the desalination end point. The pull-out design allows operators to easily take samples, thereby improving the convenience and humanization of the operation. Taking into account the needs of actual operations, a more convenient and effective working environment is provided for the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 Schematic diagram of the structure of a high-efficiency negative pressure desalination device suitable for wooden veneer cultural relics in an embodiment of the present invention;

[0040] Figure 2 Schematic diagram of the process of a high-efficiency negative pressure desalination method applicable to wooden veneer cultural relics in an embodiment of the present invention.

[0041] Description of the marks in the figure:

[0042] 1—ultrasonic atomization component, 2—saturated pulp, 3—wooden thin plate artifacts, 4—negative pressure decontamination component, 5—pipeline, 6—expansion head, 7—pull-out detection component;

[0043] 11—liquid supply tank, 12—piezoelectric transducer, 13—atomizing nozzle, 41—liquid storage tank, 42—vacuum component. DETAILED DESCRIPTION

[0044] The present invention is described in detail below with reference to specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0045] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, used to describe common objects, merely refer to different instances of the same object and are not intended to imply that the objects described must be in a given order, whether temporally, spatially, sequentially, or in any other manner.

[0046] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0047] Example:

[0048] A high-efficiency negative pressure desalination device suitable for wooden thin plate cultural relics, such as Figure 1 As shown, it includes an ultrasonic atomization component 1, a saturated paper pulp 2 and a negative pressure decontamination component 4, and the saturated paper pulp 2 is arranged on both sides of a wooden thin plate cultural relic 3;

[0049] The saturated paper pulp 2 is connected to the ultrasonic atomization component 1 on the front side of the wooden veneer cultural relic 3, and the ultrasonic atomization component 1 is used to provide atomized water;

[0050] The saturated paper pulp 2 is connected to the negative pressure decontamination component 4 at the rear side of the wooden veneer artifact 3. The negative pressure decontamination component 4 creates a negative pressure state at the end of the device by vacuuming, thereby providing power to the front end of the device.

[0051] The saturated pulp 2 near the ultrasonic atomization assembly 1 is used to continuously supply water, so that the water in the saturated pulp 2 flows through the wooden veneer artifact 3 under the action of negative pressure, driving away the salt remaining inside the wooden veneer artifact 3;

[0052] The salty wastewater flows from the wooden veneer artifact 3 into the saturated paper pulp 2 near the side of the negative pressure decontamination component 4, and further flows out;

[0053] The saturated pulp 2 is movably installed on both sides of the desalination part of the wooden thin plate cultural relic 3. By moving the saturated pulp 2 on both sides, it is used to desalinate various parts of the wooden thin plate cultural relic 3;

[0054] The ultrasonic atomization assembly 1 includes a liquid supply tank 11, a piezoelectric transducer 12 and an atomizing nozzle 13. The liquid supply tank 11 is used to store a water source, preferably deionized water in this embodiment. The liquid supply tank 11 is connected to the atomizing nozzle 13 through a pipeline 5. Piezoelectric transducers 12 are provided on both sides of the pipeline 5. The piezoelectric transducer 12 and the atomizing nozzle 13 are used to ultrasonically atomize water.

[0055] The liquid supply tank 11 is provided with a water inlet, which is used to introduce external water;

[0056] A diameter expansion head 6 is provided on the front side of the saturated pulp 2 near one side of the ultrasonic atomization assembly 1. The diameter expansion head 6 is connected to the atomization nozzle 13 through the pipeline 5. The diameter expansion head 6 is used to connect the pipeline 5 to transmit atomized water to a larger area of ​​the saturated pulp 2;

[0057] The negative pressure decontamination assembly 4 includes a liquid storage tank 41 and a vacuum component 42. The liquid storage tank 41 is used to collect saline wastewater. The vacuum component 42 is connected to the liquid storage tank 41. The vacuum component 42 includes a vacuum pump or a vacuum generator. In this embodiment, a vacuum pump is preferably used. The vacuum component 42 is used to evacuate the liquid storage tank 41.

[0058] In this embodiment, the material of the liquid supply tank 11 and the liquid storage tank 41 is lightweight pressure-resistant plastic or carbon fiber. In this embodiment, lightweight pressure-resistant plastic is preferred. The lightweight pressure-resistant plastic complies with GB / T 34329-2017 "General Requirements for Fiber-Reinforced Plastic Pressure Vessels";

[0059] The liquid storage tank 41 is provided with a pressure sensor, which is used to detect the pressure changes in the device in real time and transmit a signal to the vacuum component 42 according to the detected pressure value. When the pressure exceeds the safety threshold, the vacuum component 42 stops working;

[0060] The pressure in the device may need to be lower than the safety strength threshold of the wooden veneer artifact 3. By changing the power of the vacuum component 42 to change the pressure in the device, the requirements for different wooden veneer artifacts 3 can be met, and the application range is wider;

[0061] A drain outlet is provided at the bottom of the liquid storage tank 41 for discharging saline wastewater;

[0062] An expansion head 6 is provided on the rear side of the saturated pulp 2 near the negative pressure decontamination assembly 4. The expansion head 6 is connected to the liquid storage tank 41 through the pipeline 5. The expansion head 6 is used to provide a larger area of ​​saturated pulp 2 with a channel for the saline wastewater to flow out to the pipeline 5.

[0063] The device also includes a pull-out detection assembly 7, which is retractably mounted on the saturated pulp 2 on the rear side of the wooden veneer artifact 3. It is used to detect the salt ion concentration in the saline wastewater in real time and determine the desalination endpoint. The retractable design allows operators to easily take samples, thereby improving the convenience and humanization of operation. Taking into account the needs of actual operations, it provides a more convenient and effective working environment for staff.

[0064] The pull-out detection component 7 is arranged between the rear side of the saturated pulp 2 and the expansion head 6 near the negative pressure decontamination component 4, and includes a salt concentration color test paper or a conductivity meter, which detects the salt ion concentration in the saline wastewater in real time by measuring the color reaction or conductivity;

[0065] In some embodiments, the salt ion concentration in the saline wastewater is detected by using salt concentration colorimetric test paper; generally, the darker the color, the higher the salt ion concentration. When the salt concentration colorimetric test paper does not show color, it can be considered the desalination end point.

[0066] In other embodiments, the desalination endpoint is determined by detecting the conductivity of the saline wastewater. By detecting the conductivity of the saline wastewater, the salt ion concentration in the saline wastewater can be detected, thereby determining the desalination effect of the wooden veneer artifact 3. The higher the conductivity, the more salt substances are in the wooden veneer artifact 3; the lower the conductivity, the less salt substances are in the wooden veneer artifact 3. The judgment threshold of the conductivity is 1-5 μS / cm, and can be preferably 3 μS / cm.

[0067] An efficient negative pressure desalination method for wooden veneer artifacts, such as Figure 2 As shown, the above device is used to perform efficient negative pressure desalination of wooden thin plate cultural relics. The specific steps are as follows:

[0068] S1. Install saturated pulp 2 on both sides of the wooden veneer artifact 3, fix the wooden veneer artifact 3 on a bracket, and assemble the device to ensure that the saturated pulp 2 on both sides is moved to desalinate various parts of the wooden veneer artifact 3;

[0069] S2. Turn on the ultrasonic atomization component 1 to provide atomized water; turn on the negative pressure decontamination component 4, adjust the pressure in the device, provide power for the water, and regulate the water flow rate;

[0070] S3. After a period of desalination, a sampling test is performed using the pull-out detection component 7 to detect whether desalination is complete.

[0071] S4. If the salt ion concentration of the salt concentration color test paper reaches the standard, or the sample conductivity reaches the standard, the desalination requirement is met;

[0072] S5: If the salt ion concentration of the pull-out detection component 7 does not meet the standard, the desalination process needs to be continued until the salt ion concentration of the pull-out detection component 7 meets the standard;

[0073] S6. The salt substances attached to the wooden veneer cultural relics 3 are cleaned, and the desalination is completed. The ultrasonic atomization component 1 and the negative pressure decontamination component 4 are turned off, and the device is removed.

[0074] This method places a wooden veneer artifact 3 between two saturated pulp 3 blocks. A vacuum element 42 at the end adjusts the pressure within the device, further controlling the flow rate of the atomized water. As the atomized water passes through the wooden veneer artifact 3, it removes the salt from the artifact, achieving desalination. This method eliminates the need for a large immersion device and, compared to immersion desalination, requires less water after atomization. It also reduces desalination time, thereby improving desalination efficiency and protecting the artifact from mechanical damage.

[0075] The device is installed and negative pressure is provided to the device through the vacuum component 42 , so that the wooden veneer cultural relic 3 can be efficiently desalinated while protecting the wooden veneer cultural relic 3 .

[0076] The above description of the embodiments is intended to facilitate understanding and use of the invention by those skilled in the art. It will be apparent that those skilled in the art can readily make various modifications to these embodiments and apply the general principles described herein to other embodiments without requiring inventive effort. Therefore, the present invention is not limited to the above-described embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention, without departing from the scope of the present invention, should be within the scope of protection of the present invention.

Claims

1. A high-efficiency negative pressure desalination device suitable for wooden veneer cultural relics, characterized in that: The device comprises an ultrasonic atomization component (1), a saturated paper pulp (2), and a negative pressure decontamination component (4), wherein the saturated paper pulp (2) is arranged on both sides of a wooden veneer cultural relic (3). The water-saturated paper pulp (2) is connected to the ultrasonic atomization component (1) on the front side of the wooden veneer cultural relic (3), and the ultrasonic atomization component (1) is used to provide atomized water. The saturated paper pulp (2) is connected to the negative pressure decontamination component (4) at the rear side of the wooden thin plate cultural relic (3). The negative pressure decontamination component (4) causes the end of the device to be in a negative pressure state by vacuuming, thereby providing power to the front end of the device. The saturated pulp (2) near one side of the ultrasonic atomization component (1) is used for continuous water supply, so that the water in the saturated pulp (2) flows through the wooden veneer artifact (3) under the action of negative pressure, driving the salt remaining inside the wooden veneer artifact (3). The salty wastewater flows from the wooden veneer artifact (3) into the saturated paper pulp (2) near the side of the negative pressure decontamination component (4), and further flows out; The saturated paper pulp (2) is movably installed on both sides of the desalination part of the wooden thin plate cultural relic (3); The device further comprises a pull-out detection component (7), which is pull-out-mounted at the saturated paper pulp (2) on the rear side of the wooden veneer cultural relic (3).

2. The high-efficiency negative pressure desalination device for wooden veneer cultural relics according to claim 1 is characterized in that: The ultrasonic atomization assembly (1) comprises a liquid supply tank (11), a piezoelectric transducer (12) and an atomizing nozzle (13). The liquid supply tank (11) is used to store a water source. The liquid supply tank (11) is connected to the atomizing nozzle (13) via a pipeline (5). Piezoelectric transducers (12) are provided on both sides of the pipeline (5). The piezoelectric transducer (12) and the atomizing nozzle (13) are used to ultrasonically atomize water.

3. The high-efficiency negative pressure desalination device for wooden veneer cultural relics according to claim 2, characterized in that: A diameter expansion head (6) is provided on the front side of the saturated pulp (2) close to one side of the ultrasonic atomization component (1), and the diameter expansion head (6) is connected to the atomization nozzle (13) through a pipeline (5).

4. The high-efficiency negative pressure desalination device for wooden veneer cultural relics according to claim 1 is characterized in that: The negative pressure decontamination assembly (4) comprises a liquid storage tank (41) and a vacuum component (42), wherein the liquid storage tank (41) is used to collect saline wastewater, and the vacuum component (42) is connected to the liquid storage tank (41), and the vacuum component (42) comprises a vacuum pump or a vacuum generator, and the vacuum component (42) is used to evacuate the liquid storage tank (41).

5. The high-efficiency negative pressure desalination device for wooden veneer cultural relics according to claim 4 is characterized in that: The liquid storage tank (41) is provided with a pressure sensor.

6. The high-efficiency negative pressure desalination device for wooden veneer cultural relics according to claim 4, characterized in that: An expanding head (6) is provided on the rear side of the saturated pulp (2) near the negative pressure decontamination assembly (4), and the expanding head (6) is connected to the liquid storage tank (41) via a pipeline (5).

7. The high-efficiency negative pressure desalination device for wooden veneer cultural relics according to claim 6, characterized in that: The pull-out detection component (7) is arranged between the rear side of the saturated paper pulp (2) close to the negative pressure decontamination component (4) and the expansion head (6), and includes a salt concentration color development test paper.

8. A high-efficiency negative pressure desalination method suitable for wooden veneer cultural relics, characterized in that: The method uses the device according to any one of claims 1 to 7 to perform high-efficiency negative pressure desalination on wooden veneer cultural relics, and the method comprises the following steps: S1, installing saturated paper pulp (2) on both sides of the wooden thin plate artifact (3), fixing the wooden thin plate artifact (3) on the bracket, and assembling the device; S2, turning on the ultrasonic atomization component (1) to provide atomized water; turning on the negative pressure decontamination component (4), adjusting the pressure in the device, providing power for the water, and regulating the flow rate of the water; S3. After a period of desalination, sampling and testing are performed to check whether desalination is complete; S4. If the salt ion concentration reaches the standard, the desalination demand is met; S5. If the salt ion concentration does not meet the standard, desalination treatment needs to be continued until the salt ion concentration meets the standard; S6. The salt substances attached to the wooden veneer artifact (3) are cleaned, and the desalination is completed. The ultrasonic atomization component (1) and the negative pressure decontamination component (4) are turned off, and the device is removed.

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