WO2021031134A1

WO2021031134A1 - Mass deacidification apparatus for books, and control system for same

Info

Publication number: WO2021031134A1
Application number: PCT/CN2019/101677
Authority: WO
Inventors: 张世著; 石欣超; 刘闯; 李论; 张将
Original assignee: 南京华鼎纳米技术研究院有限公司
Priority date: 2019-08-16
Filing date: 2019-08-21
Publication date: 2021-02-25
Also published as: CN112391873B; CN112391873A

Abstract

A mass deacidification apparatus for books comprises: a liquid storage tank (1), a deacidification treatment tank (2), conveyance devices (3, 4), a book retaining device (7), a drive motor (8), an automatic feeder machine (9), an air suction pump (10), a condensate recycling device (11), height detectors (76, 77), and sensors (71, 72, 73, 74, 75). A pipeline is used to establish connections. A gas pipeline (91) positioned between and passing through the deacidification treatment tank (2) and the liquid storage tank (1) assists transfer of a deacidification liquid between the deacidification treatment tank (2) and the liquid storage tank (1), and prevents safety risks caused by an excessively high or low pressure in one of the tanks resulting from delivering the deacidification liquid by only using a pump. The invention optimizes the layout of a liquid pipeline, and adds valves and pumps on the pipeline in a practical manner, thereby improving the stability of the apparatus, and facilitating maintenance. The invention provides high stability, superior safety, and a high level of automation and processing efficiency, and is particularly suitable for book deacidification treatments of large batches and at large intervals.

Description

Large-scale book deacidification equipment and its control system

Technical field

The patent of the present invention relates to the technical field of deacidification protection of large books, in particular to the deacidification protection technology of paper cultural relics, archives, and books, in particular to a large-scale book deacidification equipment and its control system.

Background technique

The existing large-scale book deacidification equipment is mainly liquid-phase equipment, which is mainly composed of liquid storage tanks, deacidification treatment tanks and corresponding liquid transmission pipelines and liquid circulation pipelines. Liquid immersion method, deacidification treatment. Further, in order to recover and reuse the deacidification liquid in the deacidification treatment tank, a condensation recovery device, an air pump and corresponding liquid recovery pipelines are added between the liquid storage tank and the deacidification treatment tank. In this way, the deacidification liquid gas dispersed in the paper deacidification equipment is collected, recovered by condensation, and finally returned to the liquid storage tank for further use. For example, the US patent US5120500-Process and Device for Nonpolluting Mass Deacidification of Books and Other Paper Products and US6325982B1-Method and Apparatus for the Deacidification of Library Materials, Chinese patent CN207362604U-A paper-based anhydrous liquid phase deacidification system "CN106192573A-A device and method suitable for batch deacidification of paper documents" all adopt the above-mentioned method. However, the above-mentioned deacidification treatment process and equipment lack a reasonable control system, which causes the equipment to be operated manually, and the execution and conversion of each step is determined by the experience of the operator; any failure of the equipment is in use , All need to shut down for troubleshooting and repair, which reduces the efficiency of the equipment; the lack of real-time monitoring of equipment status and parameters in the equipment results in poor equipment safety. The above-mentioned defects limit the application of book deacidification equipment.

Summary of the invention

In view of this, this application provides large-scale book deacidification equipment and its control system. The paper and book deacidification equipment provided in this application has a short processing time, and can simultaneously deacidify single pages, multiple pages and the entire book, and is efficient high. The technical solution is as follows: including the liquid storage tank 1, the deacidification treatment tank 2, the first conveying device 3, the second conveying device 4, the book holding device 7, and the driving motor 8. Among them:

The bottom ends of the liquid storage tank 1 and the deacidification treatment tank 2 are placed on the same horizontal plane; the upper parts of the liquid storage tank 1 and the deacidification treatment tank 2 are connected by a first gas pipeline 91, and the pipeline is provided with a first valve 21; The upper part of the other side of the liquid tank 1 is provided with a liquid supplement pipe 99, and the thirteenth valve 33 is arranged on the liquid supplement pipe 99;

The bottom of the liquid storage tank 1 and the deacidification treatment tank 2 are connected by a first liquid pipeline 92, the first conveying device 3 is arranged in the first liquid pipeline 92, and the second valve 22 and the third valve 27 are both arranged in the first liquid pipeline 92. A liquid pipeline 92 is located on both sides of the first conveying device 3.

On the first liquid pipeline 92, the pipeline leading from the bottom of the liquid storage tank 1 is connected with 52 second three-way pipe fittings, and a sixth three-way pipe fitting 56 and an eighty-third way pipe fitting are respectively provided on both sides of the first conveying device 3. Through pipe 58; the pipeline leading from the bottom of the penetration deacidification tank 2 is connected with a 53 third three-way pipe, which is connected with the third valve 27. The first liquid pipeline 92 (from the liquid storage tank to the deacidification treatment tank) is sequentially connected with: the second three-way pipe 52, the second valve 22, the sixth three-way pipe 56, the first conveying device 3, and the eighth The three-way pipe 58, the third valve 27, and the third three-way pipe 53.

The second liquid pipeline 94 and the first liquid pipeline 92 share a pipeline section that penetrates into the liquid storage tank 1 and a pipeline section that penetrates into the deacidification treatment tank 2. The second liquid pipeline 94 (from the liquid storage tank to The direction of the deacidification tank) are connected in sequence: the sixth valve 26, the eighth three-way pipe 58, the first conveying device 3, the sixth three-way pipe 56, the seventh valve 23, the first three-way pipe 51, and the third Three-way pipe 53.

One side of the deacidification treatment tank 2 is equipped with a first liquid circulation pipe 93; a second liquid circulation pipe 95; on the other side, a third liquid circulation pipe 96 and a fourth liquid circulation pipe 97 are respectively installed: One end of the first liquid circulation pipeline 93 is connected with the first three-way pipe 51 and the other end is inserted into the deacidification treatment tank 2 away from the bottom end of the deacidification treatment tank 2, and the pipe port is provided with a spray device. The first liquid circulation pipeline 93 is provided with a fourth valve 24 and a second conveying device 4; the fourth valve 24 is connected to the first three-way pipe 51, and the second conveying device 4 is connected to the fourth valve 24.

The second liquid circulation pipeline 95 and the first liquid circulation pipeline 93 are connected by a fourth three-way pipe 54. The second liquid circulation pipeline 95 is inserted into the deacidification treatment tank at the bottom end away from the deacidification treatment tank 2. 2. An injection device is provided on the pipeline port, and an eighth valve 28 is installed on the second liquid circulation pipeline 95 between the fourth three-way pipe 54 and the injection device of the second liquid circulation pipeline 95.

A fifth valve 25 is installed on the first liquid circulation pipe 93 between the fourth three-way pipe 54 and the spray device of the first liquid circulation pipe 93.

The third liquid circulation pipeline 96 is connected to the first liquid circulation pipeline 93 through a seventh three-way pipe 57. The fourth liquid circulation pipeline 97 is connected to the third liquid circulation pipeline 96 through the fifth three-way pipe 55. The third liquid circulation pipe 96 and the fourth liquid circulation pipe 97 are respectively inserted into the deacidification treatment tank 2 at the bottom end away from the deacidification treatment tank 2, and the pipe ports are equipped with spray devices. The third liquid circulation pipe 96 A ninth valve 29 and a tenth valve 30 are installed between the fifth three-way pipe 55 and the spray device with the fourth liquid circulation pipeline 97, respectively.

The top of the deacidification treatment tank 2 is provided with a cover, and the connecting part of the book clamping device 7 passes through the cover of the deacidification treatment tank 2 and is connected to the rotating shaft of the driving motor 8 on the cover.

Further, a cover is provided on the top of the liquid storage tank 1, one end of the first gas condensing pipe 83 passes through the cover and a first air pressure sensor 71 is provided at the port position, and the other end is connected to the condensate recovery device 11. The first gas condensing pipe A first one-way air valve 81 is provided on the path 83, and the first air pressure sensor 71 is suspended above the liquid level of the liquid storage tank 1 for measuring the internal air pressure of the liquid storage tank 1. One end of the condensed liquid return line 85 is connected to the condensate recovery device 11, and the other end passes through the cover of the liquid storage tank 1 and is inserted into the tank. The condensed liquid return line 85 is provided with an eleventh valve 31.

Further, a cover is provided on the top of the deacidification treatment tank 2, and the connecting part of the drive motor 8 and the book holding device 7 is located at the upper end of the deacidification treatment tank 2 is installed with a second air pressure sensor 74, the second air pressure sensor 74 is suspended It is used to measure the internal air pressure of the deacidification treatment tank 2 above the liquid level of the deacidification treatment tank 2; one end of the second gas condensing pipe 84 passes through the cover of the deacidification treatment tank 2, and the other end is connected to the suction pump 10, A second one-way gas valve 82 is provided on the outer path of the second gas condensing pipeline 84; the suction pump 10 is connected to the condensate collector 11 through the pipeline.

Further, one end of the first buoy liquid level sensor 72 passes through the cover of the liquid storage tank 1, the probe of which is placed in the tank, and the other end is located outside the cover of the liquid storage tank 1.

Further, one end of the concentration sensor 73 passes through the cover of the liquid storage tank 1, and its probe is placed in the tank, and the probe position is slightly higher than the bottom of the liquid storage tank 1; the other end is located outside the cover of the liquid storage tank 1.

Further, the automatic feeder 9 is arranged on the cover of the liquid storage tank 1, and its conveying pipeline passes through the cover of the liquid storage tank 1 and is inserted into the tank for feeding alkaline particles.

Furthermore, one end of the second buoy liquid level sensor 75 passes through the cover of the deacidification tank 2, and its probe is located inside the deacidification tank 2.

Further, one end of the second gas pipeline 98 passes through the cover of the deacidification treatment tank 2, and the pipeline outside the cover of the second gas pipeline 98 is provided with a twelfth valve 32.

Further, a first height detector 76 and a second height detector 77 are provided on the inner wall of the deacidification treatment tank 2. The height of the first height detector 76 is higher than the height of the book holding device 7 by about 5 cm, and the second height The detector 77 is about 15 cm higher than the first height detector 76.

Furthermore, a stirring device 16 is provided in the liquid storage tank 1.

Further, the first delivery device 3 and the second delivery device 4 are centrifugal pumps that can only be forwardly delivered, or peristaltic pumps that can deliver both forward and reverse.

Further, the spraying device is a spray gun or a nozzle.

Further, the driving motor 8 is a stepping motor or a servo motor.

Further, the spraying device is a spray gun or a nozzle.

A large-scale book deacidification equipment control system, including an intelligent console and the equipment described in any one of the above, wherein all the valves, the first one-way air valve 81, the second one-way air valve 82, the first conveying device 3, The second conveying device 4, the suction pump 10, the condensate recovery device 11, the automatic feeder 9, the driving motor 8, all sensors and height detectors are connected to the intelligent console and controlled by the intelligent console.

Further, before the deacidification work of books, the smart console will close all valves, start to detect the liquid level in the liquid storage tank 1 through the first buoy liquid level sensor 72, and open the thirteenth when it is lower than the preset liquid level. The valve 33 performs rehydration, and then the concentration sensor 73 starts to detect the concentration in the liquid storage tank 1. When the concentration is lower than the preset concentration, the automatic feeder 9 adds alkaline substance particles to the liquid storage tank 1, and finally the first air pressure sensor 71 starts to detect The air pressure in the liquid storage tank 1 can be deacidified for books when the air pressure is stably maintained in the preset range.

Further, when performing deacidification of books, first place the book to be processed in the deacidification treatment tank 2 through the book holding device 7 and close the cover of the deacidification treatment tank 2, and then pass the first height detection The device 76 and the second height detector 77 determine the height of the book, and then carry out liquid transfer. The specific process is: then open the first valve 21, the second valve 22, the first conveying device 3, the third valve 27, and the sixth valve in sequence. 26 and the seventh valve 23, the deacidification liquid flows from the liquid storage tank 1 to the deacidification treatment tank 2 via the first liquid pipeline 92 and the second liquid pipeline 94; the deacidification treatment is measured by the second float level sensor 75 The liquid level of tank 2, when the required liquid level is reached; when the books in the deacidification treatment tank 2 begin to undergo deacidification treatment, first close the second valve 22 and the sixth valve 26 in turn, and then open the tenth valve in turn 30. The ninth valve 29, the fourth valve 24, the second conveying device 4, the fifth valve 25 and the eighth valve 28, the deacidified liquid passes through the first liquid circulation pipeline 93, the second liquid circulation pipeline 95, and the The three-liquid circulation pipeline 96 and the fourth liquid circulation pipeline 97 realize the circulation in the deacidification treatment tank 2, and respectively pass through the first liquid circulation pipeline 93, the second liquid circulation pipeline 95, and the third liquid circulation pipeline. The spraying device of the road 96 and the fourth liquid circulation pipeline 97 realizes the directional diffusion of the deacidification liquid into the book. During the deacidification treatment, the driving motor 8 drives the book clamping device 7 to rotate and pull the reciprocating movement to improve the book Uniformity of deacidification treatment.

Further, during the deacidification process: when the first air pressure sensor 71 detects that the air pressure in the liquid storage tank 1 is greater than the preset value, the first one-way gas valve 81 is opened and the first gas condensation pipe 83 reaches the condensation recovery device 11 After being cooled and condensed into liquid, it passes through the condensed liquid return line 85 and returns to the liquid storage tank 1.

Further, when the book deacidification process is over, the eighth valve 28, the fifth valve 25, the second conveying device 4, the fourth valve 24, the ninth valve 29 and the tenth valve 30 are closed in sequence, and then the second valve is opened in sequence. Valve 22 and the sixth valve 26, the deacidification liquid flows from the deacidification treatment tank 2 to the liquid storage tank 1. When the second buoy liquid level sensor 75 detects that the liquid level of the deacidification tank 2 is at a low level, the system first closes all the valves; then opens the second one-way valve 82, starts the air pump 10, and turns the deacidification tank The gas in 2 is extracted through the second gas condensing pipe 84 and then passed through the condensation recovery device 11 to cool and condense the extracted gas into a liquid. When the second air pressure sensor 74 in the deacidification treatment tank 2 detects that the air pressure in the deacidification treatment tank 2 is lower than 16K Pa, the system closes the second one-way valve 82 and then opens the twelfth valve 32. After running for 10 minutes , Measure the air pressure in the deacidification tank 2 again. When the air pressure is in the normal range and remains stable, the system opens the deacidification tank 2 and then starts the eleventh valve 31 to cool the condensed liquid and return it through the condensed liquid The pipeline 85 returns to the liquid storage tank 1. When the system opens the deacidification tank 2, the deacidified books can be taken out. Finally, the intelligent control system closes all valves, and then the system automatically shuts down.

Beneficial effect

The invention facilitates the transfer of the deacidification liquid between the deacidification treatment tank and the deacidification treatment tank through the gas pipeline between the deacidification treatment tank and the liquid storage tank, and eliminates the need for only pumping A safety hazard caused by the transmission of deacidified liquid due to excessive or low air pressure of a certain tank; through the optimization of the liquid pipeline layout, and the reasonable addition of valves and pumps to the pipeline, the use of equipment is improved Stability and easy maintenance. The paper and book deacidification method provided by this application has high stability, good safety, high degree of automation and high processing efficiency, and is especially suitable for the deacidification treatment of books in large quantities and long periods.

Description of the drawings

The present invention will be further described below in conjunction with the drawings.

Figure 1 is a schematic diagram of the structure of the deacidification treatment equipment of the present invention.

1- liquid storage tank; 2- deacidification treatment tank; 3- first conveying device; 4- second conveying device;

7-Book holding device; 8-Step motor; 9-Automatic feeder; 10-Air pump;

11-Condensation recovery device; 16-Stirring device;

21-The first valve; 22-The second valve; 23-The seventh valve; 24-The fourth valve;

25-The fifth valve; 26-The sixth valve; 27-The third valve; 28-The eighth valve;

29-Ninth valve; 30-Tenth valve; 31-Eleventh valve; 32-Twelfth valve;

33-The thirteenth valve;

51-The first three-way pipe fitting; 52-The second three-way pipe fitting; 53-The third three-way pipe fitting;

54-The fourth three-way pipe fitting; 55-The fifth three-way pipe fitting; 56-The sixth three-way pipe fitting;

57-The seventh three-way pipe fitting; 58-The eighth three-way pipe fitting;

71-The first air pressure sensor; 72-The first buoy liquid level sensor; 73-The concentration sensor;

74-The second air pressure sensor; 75-The second buoy liquid level sensor;

76-first height detector; 77-second height detector;

81-The first one-way air valve; 82-The second one-way air valve;

83-The first gas condensation pipeline; 84-The second gas condensation pipeline;

85- Condensed liquid return line;

91-The first gas pipeline; 92-The first liquid pipeline; 93-The first liquid circulation pipeline;

94-second liquid pipeline; 95-second liquid circulation pipeline; 96-third liquid circulation pipeline; 97 fourth liquid circulation pipeline; 98-second gas pipeline; 99-refill pipeline.

detailed description

A large-scale book deacidification equipment includes: a liquid storage tank 1, a deacidification treatment tank 2, a first conveying device 3, a second conveying device 4, a book holding device 7, a driving motor 8, an automatic feeder 9, and an air pump 10 , Condensation collector 11, first height detector 76, second height detector 77, first air pressure sensor 71, first buoy liquid level sensor 72, concentration sensor 73, second air pressure sensor 74, second buoy liquid level sensor 75, of which:

The bottom ends of the liquid storage tank 1 and the deacidification treatment tank 2 are placed on the same horizontal plane. The upper part of the liquid storage tank 1 and the deacidification treatment tank 2 are connected by a first gas pipeline 91, and the pipeline is provided with a first valve 21. An upper part of the other side of the liquid storage tank 1 is provided with a liquid supplement pipe 99, and the thirteenth valve 33 is arranged on the liquid supplement pipe 99.

On the first liquid pipeline 92, the pipeline leading from the bottom of the liquid storage tank 1 is connected with a second three-way pipe 52, and a sixth three-way pipe 56 and an eighth third are respectively provided on both sides of the first conveying device 3. Through pipe 58; the pipeline leading from the bottom of the penetration deacidification tank 2 is connected with a 53 third three-way pipe, which is connected with the third valve 27. The first liquid pipeline 92 (from the liquid storage tank to the deacidification treatment tank) is sequentially connected with: the second three-way pipe 52, the second valve 22, the sixth three-way pipe 56, the first conveying device 3, and the eighth The three-way pipe 58, the third valve 27, and the third three-way pipe 53.

The first conveying device 3 and the second conveying device 4 may be either a centrifugal pump that can only be forwardly conveyed, or a peristaltic pump that can be conveyed in both forward and reverse directions.

The inner wall of the deacidification tank 2 is provided with a first height detector 76 and a second height detector 77. The height of the first height detector 76 is higher than the height of the book holding device 7 by about 5 cm, and the second height detector 77 It is about 15 cm higher than the first height detector 76.

The top of the liquid storage tank 1 is provided with a cover. One end of the first gas condensing pipe 83 passes through the cover and a first air pressure sensor 71 is provided at the port position, and the other end is connected to the condensate collector 11, and the first gas condensing pipe 83 is A first one-way air valve 81 is provided, and a first air pressure sensor 71 is suspended above the liquid surface of the liquid storage tank 1 for measuring the internal air pressure of the liquid storage tank 1. One end of the condensed liquid return line 85 is connected to the condensate recovery device 11, and the other end passes through the cover of the liquid storage tank 1 and is inserted into the tank. The condensed liquid return line 85 is provided with an eleventh valve 31.

One end of the first buoy liquid level sensor 72 and the concentration sensor 73 pass through the cover of the liquid storage tank 1, and the probe is placed in the tank, and the other end is located outside the cover of the liquid storage tank 1. The probe position of the concentration sensor 73 is slightly higher At the bottom of the liquid storage tank 1.

The automatic feeder 9 is arranged on the cover of the liquid storage tank 1, and its conveying pipeline passes through the cover of the liquid storage tank 1, and is inserted into the tank for feeding alkaline particles.

A stirring device 16 is provided in the liquid storage tank 1 to prevent precipitation of the liquid due to long-term storage.

A cover is provided on the top of the deacidification treatment tank 2, and one end of the second buoy liquid level sensor 75 and the second gas pipeline 98 passes through the cover of the deacidification treatment tank 2, and the probe of the second buoy liquid level sensor 75 is located in the deacidification treatment tank 2. Inside the processing tank 2; a twelfth valve 32 is provided on the pipeline outside the cover of the second gas pipeline 98. The connecting part of the book holding device 7 passes through the cover of the deacidification tank 2 and is connected to the rotating shaft of the driving motor 8 on the cover. The upper end of the connecting part of the drive motor 8 and the book holding device 7 in the deacidification tank 2 is equipped with a second air pressure sensor 74, which is suspended above the liquid level of the deacidification tank 2 for Measure the internal air pressure of the deacidification treatment tank 2; one end of the second gas condensing pipe 84 passes through the cover of the deacidification treatment tank 2, and the other end is connected with the air pump 10, and the second gas condensing pipe 84 is provided with a first Two one-way air valves 82; the air pump 10 is connected to the condensate recovery device 11 through a pipeline.

The first conveying device 3 and the second conveying device 4 are centrifugal pumps that can only transmit forward, or peristaltic pumps that can transmit both forward and reverse.

The spraying device is a spray gun or a nozzle.

The driving motor 8 is a stepping motor or a servo motor.

All valves, the first one-way air valve 81, the second one-way air valve 82, the first conveying device 3, the second conveying device 4, the suction pump 10, the condensation recovery device 11, the automatic feeder 9, the drive motor 8, all Both the sensor and the height detector are connected to and controlled by the smart console.

(All valves refer to: first valve 21; second valve 22; third valve 27; fourth valve 24; fifth valve 25; sixth valve 26; seventh valve 23; eighth valve 28; ninth valve 29 ; The tenth valve 30; the eleventh valve 31; the twelfth valve 32; the thirteenth valve 33.

All sensors and height detectors refer to: the first air pressure sensor 71; the first buoy liquid level sensor 72; the concentration sensor 73; the second air pressure sensor 74; the second buoy liquid level sensor 75;

The first height detector 76; the second height detector 77. )

Before the deacidification of books, the smart console will close all valves, and start to detect the liquid level in the liquid storage tank 1 through the first buoy liquid level sensor 72, and open the thirteenth valve 33 when it is lower than the preset liquid level. Then the concentration sensor 73 starts to detect the concentration in the liquid storage tank 1. When the concentration is lower than the preset concentration, the automatic feeder 9 adds alkaline substance particles to the liquid storage tank 1, and finally the first air pressure sensor 71 starts to detect the liquid storage tank The air pressure in 1, when the air pressure is stably maintained in the preset range, the deacidification of books can be performed.

In the deacidification work of books, the book to be processed is first placed in the deacidification treatment tank 2 through the book holding device 7, and the cover of the deacidification treatment tank 2 is closed, and then passes through the first height detector 76, The second height detector 77 judges the height of the book, and then performs liquid transfer. The specific process is: then open the first valve 21, the second valve 22, the first conveying device 3, and the third valve 27 in turn, and the deacidified liquid will be removed from the storage. The liquid tank 1 flows into the deacidification treatment tank 2 through the first liquid pipeline 92; the second buoy liquid level sensor 75 measures the liquid level height of the deacidification treatment tank 2, when the required liquid level height is reached; the deacidification treatment tank When the books in 2 are deacidified, first close the second valve 22, the first conveying device 3 and the third valve 27 in sequence, and then open the fourth valve 24, the second conveying device 4, the eighth valve 28, and the third valve in sequence. 9 valve 29, fifth valve 25 and tenth valve 30, the deacidified liquid passes through the first liquid circulation pipeline 93, the second liquid circulation pipeline 95, the third liquid circulation pipeline 96 and the fourth liquid circulation pipeline 97 Realize the circulation in the deacidification treatment tank 2, and respectively pass through the spraying device of the first liquid circulation pipeline 93, the second liquid circulation pipeline 95, the third liquid circulation pipeline 96 and the fourth liquid circulation pipeline 97, The directional diffusion of the deacidification liquid into the book is realized. During the deacidification treatment, the drive motor 8 drives the book clamping device 7 to rotate and pull back and forth to improve the uniformity of the book deacidification treatment.

When the book deacidification process is over, the system first closes the fourth valve 24, the eighth valve 28, the ninth valve 29, the fifth valve 25, the tenth valve 30, and the second conveying device 4 in sequence, and then opens the seventh valve 23 in sequence , The first conveying device 3, the sixth valve 26, the deacidification liquid flows from the deacidification treatment tank 2 to the liquid storage tank 1. When the second buoy liquid level sensor 75 detects that the liquid level of the deacidification tank 2 is at a low level, the system first closes all the valves; then opens the second one-way valve 82, starts the air pump 10, and turns the deacidification tank The gas in 2 is extracted through the second gas condensing pipe 84 and then passed through the condensation recovery device 11 to cool and condense the extracted gas into a liquid. When the second air pressure sensor 74 in the deacidification treatment tank 2 detects that the air pressure in the deacidification treatment tank 2 is lower than 16KPa, the system closes the second one-way valve 82 and then opens the twelfth valve 32. After running for 10 minutes, Measure the air pressure in the deacidification treatment tank 2 again. When the air pressure is in the normal range and remains stable, the system opens the deacidification treatment tank 2 and then activates the eleventh valve 31 to cool the condensed liquid and pass the condensed liquid return pipe Road 85, return to the liquid storage tank 1. When the system opens the deacidification tank 2, the deacidified books can be taken out.

During the deacidification process: when the first air pressure sensor 71 detects that the air pressure in the liquid storage tank 1 is greater than the preset value, the first one-way air valve 81 is opened, and the first gas condensing pipe 83 reaches the condensate recovery vessel 11 for cooling. After being condensed into a liquid, it passes through the condensed liquid return line 85 and returns to the liquid storage tank 1.

Finally, the intelligent control system closes all valves, and then the system automatically shuts down.

Explanation of experimental results

The deacidification equipment in this patent is used to deacidify books that have been acidified, and Hanna’s model HI 99171 portable pH meter (electrode model HI1414D) and the alkali storage of paper and cardboard in accordance with GB/T 24998-2010 According to the standards of "Determination", the pH value and alkali retention of books before and after deacidification were measured. The results are shown in Table-1.

Table 1 pH and alkali retention measurement results of deacidified books

It can be seen from the above results that the pH value of all books after deacidification by this equipment is higher than 7, and the alkali retention is above 0.3mol/kg. The deacidification effect of books meets actual needs.

The present invention is not limited to the specific technical solutions described in the foregoing embodiments, and all technical solutions formed by equivalent replacements fall within the protection scope of the present invention.

Claims

A large-scale book deacidification equipment, which is characterized by comprising: a liquid storage tank (1), a deacidification treatment tank (2), a first conveying device (3), a second conveying device (4), and a book holding device ( 7), drive motor (8) where:

The bottom ends of the liquid storage tank (1) and the deacidification treatment tank (2) are placed on the same horizontal plane; the upper part of the liquid storage tank (1) and the deacidification treatment tank (2) is connected by the first gas pipeline (91), which The pipeline is provided with a first valve (21); the upper part of the other side of the liquid storage tank (1) is provided with a supplementary pipeline (99), and the thirteenth valve (33) is arranged on the supplementary pipeline (99);

The bottom of the liquid storage tank (1) and the deacidification tank (2) are connected by a first liquid pipeline (92), the first conveying device (3) is arranged in the first liquid pipeline (92), and the second valve (22) and the third valve (27) are both arranged on the first liquid pipeline (92), located on both sides of the first conveying device (3);

On the first liquid pipeline (92), a second three-way pipe (52) is connected to the pipeline leading from the bottom of the penetrating liquid storage tank (1), and a sixth pipe is provided on both sides of the first conveying device (3). The three-way pipe fitting (56) and the eighth three-way pipe fitting (58); the pipeline leading from the bottom of the penetrating deacidification treatment tank (2) is connected with a third three-way pipe fitting (53), which is connected with the third valve (27); The first liquid pipeline (92), in the direction from the liquid storage tank to the deacidification treatment tank, is sequentially connected with: a second three-way pipe () 52, a second valve (22), a sixth three-way pipe (56), The first conveying device (3), the eighth three-way pipe (58), the third valve (27), and the third three-way pipe (53);

The second liquid pipeline (94) and the first liquid pipeline (92) share a pipeline section that penetrates into the liquid storage tank (1) and a pipeline section that penetrates into the deacidification treatment tank (2). The second liquid pipeline The road (94), from the liquid storage tank to the deacidification treatment tank, is sequentially connected with: the sixth valve (26), the eighth three-way pipe (58), the first conveying device (3), and the sixth three-way pipe (56), the seventh valve (23), the first three-way pipe fitting (51), and the third three-way pipe fitting (53);

One side of the deacidification tank (2) is installed with the first liquid circulation pipeline (93); the second liquid circulation pipeline (95); the other side is installed with the third liquid circulation pipeline (96) and the second Four-liquid circulation pipeline (97): One end of the first liquid circulation pipeline (93) is connected with the first three-way pipe (51) and the other end is inserted into the deacidification treatment tank at the bottom end away from the deacidification treatment tank (2) (2) The pipe port is provided with a spray device; the first liquid circulation pipe (93) is provided with a fourth valve (24) and a second conveying device (4); the fourth valve (24) and the first three The through pipe (51) is connected, and the second conveying device (4) is connected with the fourth valve (24);

The second liquid circulation pipeline (95) and the first liquid circulation pipeline (93) are connected by a fourth three-way pipe (54), and the second liquid circulation pipeline (95) is in a direction away from the deacidification treatment tank ( 2) Insert the deacidification treatment tank (2) at the bottom end, the pipe port is provided with a spraying device, the fourth three-way pipe (54) and the second liquid circulation pipe (95) between the spraying device An eighth valve (28) is installed on the liquid circulation pipeline (95);

A fifth valve (25) is installed on the first liquid circulation pipeline (93) between the fourth three-way pipe (54) and the spray device of the first liquid circulation pipeline (93);

The third liquid circulation pipe (96) is connected to the first liquid circulation pipe (93) through the seventh three-way pipe (57); the fourth liquid circulation pipe (97) is connected to the first liquid circulation pipe (93) through the fifth three-way pipe (55) Three liquid circulation pipelines (96) are connected; the third liquid circulation pipeline (96) and the fourth liquid circulation pipeline (97) are respectively inserted into the deacidification treatment tank (2) at the bottom end away from the deacidification treatment tank (2), The pipe ports are equipped with spray devices. The third liquid circulation pipe (96) and the fourth liquid circulation pipe (97) are installed between the fifth three-way pipe (55) and the spray device. Valve (29) and the tenth valve (30);

The top of the deacidification tank (2) is provided with a cover, and the connecting part of the book clamping device (7) passes through the cover of the deacidification tank (2) and is connected with the rotating shaft of the driving motor (8) on the cover.
The large-scale book deacidification equipment according to claim 1, characterized in that: the top of the liquid storage tank (1) is provided with a cover, one end of the first gas condensing pipeline (83) passes through the cover, and the port is provided with The first air pressure sensor (71), the other end is connected with the condensation recovery device (11), the first gas condensation pipe (83) is provided with a first one-way air valve (81), and the first air pressure sensor (71) is suspended on Above the liquid level of the liquid storage tank (1), it is used to measure the internal air pressure of the liquid storage tank (1); one end of the condensed liquid return line (85) is connected to the condensate collector (11), and the other end passes through the liquid storage tank ( The cover of 1) is inserted into the tank, and an eleventh valve (31) is provided on the condensed liquid return line (85).
A large-scale book deacidification equipment according to claim 1, characterized in that: the top of the deacidification treatment tank (2) is provided with a cover, and the connecting part of the driving motor (8) and the book clamping device (7) is located in the deacidification treatment tank (2). A second air pressure sensor (74) is installed at the upper end of the acid treatment tank (2). The second air pressure sensor (74) is suspended above the liquid level of the acid treatment tank (2) for measuring the deacidification treatment tank (2). ) Internal air pressure; one end of the second gas condensing pipe (84) passes through the cover of the deacidification treatment tank (2), and the other end is connected to the suction pump (10), and the second gas condensing pipe (84) is on the outer road A second one-way air valve (82) is provided; the air suction pump (10) is connected with the condensation recovery device (11) through a pipeline.
The deacidification equipment for large books according to claim 1 or 2, characterized in that one end of the first buoy liquid level sensor (72) passes through the lid of the liquid storage tank (1), and the probe is placed in the tank, The other end is located outside the lid of the liquid storage tank (1).
The large-scale book deacidification equipment according to claim 4, characterized in that one end of the concentration sensor (73) passes through the cover of the liquid storage tank (1), and the probe is placed in the tank, and the probe position is slightly higher than The bottom of the liquid storage tank (1); the other end is located outside the cover of the liquid storage tank (1).
A large-scale book deacidification equipment according to claim 5, characterized in that: the automatic feeding machine (9) is arranged on the cover of the liquid storage tank (1), and its conveying pipeline passes through the liquid storage tank (1). The cover is inserted into the tank for delivering alkaline particles.
The deacidification equipment for large books according to claim 1 or 3, characterized in that: one end of the second buoy liquid level sensor (75) passes through the cover of the deacidification tank (2), and its probe is located in the deacidification treatment The inside of the tank (2).
The large-scale book deacidification equipment according to claim 7, characterized in that: one end of the second gas pipeline (98) passes through the cover of the deacidification treatment tank (2), and the second gas pipeline (98) A twelfth valve (32) is provided on the pipeline outside the cover body.
The deacidification equipment for large books according to claim 8, characterized in that: the inner wall of the deacidification treatment tank (2) is provided with a first height detector (76) and a second height detector (77). The height of a height detector (76) is about 5 cm higher than the height of the book holding device (7), and the second height detector (77) is about 15 cm higher than the first height detector 76.
A large-scale book deacidification equipment according to claim 1, characterized in that: a stirring device (16) is provided in the liquid storage tank (1).
The large-scale book deacidification equipment according to claim 1, characterized in that: the first conveying device (3) and the second conveying device (4) are centrifugal pumps that can only transfer in the forward direction, or both A peristaltic pump that can transfer to the opposite direction.
A large-scale book deacidification equipment according to claim 1, wherein the spray device is a spray gun or a nozzle.
The large-scale book deacidification equipment according to claim 1, wherein the driving motor (8) is a stepping motor or a servo motor.
A large-scale book deacidification equipment control system, characterized in that it comprises an intelligent console and the equipment according to any one of claims 1 to 13, wherein all valves, the first one-way air valve (81), and the second one-way air valve Air valve (82), first conveying device (3), second conveying device (4), air pump (10), condensate collector (11), automatic feeder (9), drive motor (8), all sensors Both the height detector and the height detector are connected to the smart console and controlled by the smart console.
The control system of a large-scale book deacidification equipment according to claim 14, characterized in that: before the book deacidification work, the intelligent console will close all the valves and start to detect through the first buoy liquid level sensor (72) When the liquid level in the liquid storage tank (1) is lower than the preset liquid level, the thirteenth valve (33) is opened for refilling, and then the concentration sensor (73) starts to detect the concentration in the liquid storage tank (1). When the concentration is set, the automatic feeder (9) adds alkaline particles to the liquid storage tank (1), and finally the first air pressure sensor (71) starts to detect the air pressure in the liquid storage tank (1). When the range is set, deacidification of books can be performed.
The control system of a large-scale book deacidification equipment according to claim 14, characterized in that: when the book is deacidified, the book to be processed is first placed in the deacidification treatment through the book clamping device (7). In the tank (2), close the cover of the deacidification tank (2), and then use the first height detector (76) and the second height detector (77) to determine the height of the book, and then transfer the liquid. The specific process is : Open the first valve (21), the second valve (22), the first conveying device (3), the third valve (27), the sixth valve (26) and the seventh valve (23) in sequence to deacidify The liquid flows from the liquid storage tank (1) to the deacidification treatment tank (2) through the first liquid pipeline (92) and the second liquid pipeline (94); the deacidification treatment is measured by the second float level sensor (75) The liquid level of the tank (2), when the required liquid level is reached; when the books in the deacidification treatment tank (2) start to undergo deacidification treatment, first close the second valve (22) and the sixth valve (26) ), and then open the tenth valve (30), ninth valve (29), fourth valve (24), second conveying device (4), fifth valve (25) and eighth valve (28) in sequence, then The acid liquid passes through the first liquid circulation pipeline (93), the second liquid circulation pipeline (95), the third liquid circulation pipeline (96) and the fourth liquid circulation pipeline (97) to realize the deacidification treatment tank ( 2) in the circulation, and respectively through the first liquid circulation pipeline (93), the second liquid circulation pipeline (95), the third liquid circulation pipeline (96) and the fourth liquid circulation pipeline (97) injection The device realizes the directional diffusion of the deacidification liquid into the book. During the deacidification treatment, the driving motor (8) drives the book clamping device (7) to rotate and pull back and forth to improve the uniformity of the book deacidification treatment.
The control system of a large book deacidification equipment according to claim 16, characterized in that: in the deacidification process: when the first air pressure sensor (71) detects that the air pressure in the liquid storage tank (1) is greater than a preset value When the time, open the first one-way gas valve (81) through the first gas condensing pipe (83) to the condensate recovery device (11) to be cooled and condensed into liquid, then pass through the condensed liquid return pipe (85), and return to the liquid storage In the tank (1).
The control system of a large-scale book deacidification equipment according to claim 14, characterized in that: when the book deacidification treatment is completed, the eighth valve (28), the fifth valve (25) and the second conveying device are closed in sequence. (4), the fourth valve (24), the ninth valve (29) and the tenth valve (30), and then open the second valve (22) and the sixth valve (26) in turn, the deacidification liquid will be removed from the deacidification treatment The tank (2) flows to the liquid storage tank (1); when the second buoy liquid level sensor (75) detects that the liquid level of the deacidification treatment tank (2) is at a low level, the system first closes all valves; then opens The second one-way valve (82) starts the air pump (10), and the gas in the deacidification tank (2) is pumped out through the second gas condensing pipeline (84), and then the gas will be pumped out through the condensate recovery device (11) Cooling and condensing into liquid; when the second air pressure sensor (74) in the deacidification treatment tank (2) detects that the air pressure in the deacidification treatment tank (2) is lower than 16K Pa, the system closes the second check valve (82) ), and then open the twelfth valve (32). After running for 10 minutes, measure the air pressure in the deacidification tank (2) again. When the air pressure is in the normal range and remains stable, the system opens the deacidification tank (2). Then the eleventh valve (31) is activated, and the condensed liquid is cooled and returned to the liquid storage tank (1) through the condensed liquid return line (85); when the system opens the deacidification treatment tank (2), it can be Take out the deacidified books; finally, the intelligent control system closes all valves, and then the system automatically shuts down.