Circulating drying air detection system for drying oven

Abstract

The utility model discloses a drying oven circulating dry air detection system which comprises a printing machine, a drying oven on the printing machine and a combustion chamber arranged on one side of the printing machine. A centrifugal fan is arranged at the top of the combustion chamber, a dry hot air inlet pipe is arranged at an air outlet of the centrifugal fan and communicated with the drying oven, and a waste heat air inlet is formed in the bottom of the combustion chamber. The waste heat air inlet is communicated with the drying oven through a waste heat recycling circulating air inlet pipe, a fresh air inlet pipe is arranged on the side face of the combustion chamber, the dry hot air inlet pipe is arranged, and the pipe wall of the waste heat recycling circulating air inlet pipe and the pipe wall of the fresh air inlet pipe are each provided with a temperature and humidity air pressure integrator. Data collected by the temperature, humidity and wind pressure integrator are transmitted to the printer computer terminal through the serial server. According to the utility model, various parameters in the drying process can be accurately detected in real time, the influence of hot air on detection equipment can be effectively prevented, the operation state of the system can be intensively displayed and controlled, and the control precision and stability in the drying process are improved, so that the drying quality of printed matters is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printing equipment technical field discloses a drying oven circulation drying wind detection system. BACKGROUND

[0002] In the printing industry, in order to improve the quality and production efficiency of printed matter, it is usually necessary to use an oven to dry the printed matter. The traditional drying system usually only provides simple hot air flow adjustment, and cannot accurately control the temperature, humidity and air pressure during the drying process. This control method often leads to uneven drying of the printed matter, which in turn affects the quality of the printed matter. Especially in high-speed printing production lines, uneven drying can cause color inconsistency and deformation on the surface of the printed matter, affecting the final effect of the printed matter.

[0003] In order to solve the above problems, some devices for monitoring and regulating the drying process have been developed in the prior art. For example, some drying systems are provided with temperature and humidity sensors and air velocity sensors in the air pipe to monitor and adjust the state of the air in real time. However, these devices are usually installed at different positions, which not only increases the complexity of installation and maintenance, but also may affect the performance and life of the detection equipment due to the high temperature environment of the drying hot air, resulting in inaccurate detection data. In addition, the existing drying system usually lacks a unified control and display terminal, making it difficult to realize centralized monitoring and management of the entire drying process. SUMMARY

[0004] To solve the above problems, the utility model provides a drying oven circulation drying wind detection system, which can not only accurately detect various parameters in the drying process in real time, but also effectively prevent the influence of hot air on the detection equipment, and can display and control the system operation state centrally, improve the control accuracy and stability of the drying process, and improve the drying quality of the printed matter.

[0005] The technical scheme provided by the utility model is as follows:

[0006] A drying oven circulation drying wind detection system, comprising a printing machine, an oven on the printing machine, a combustion chamber arranged on one side of the printing machine, a centrifugal fan arranged at the top of the combustion chamber, a drying hot air inlet pipe communicated with the oven arranged at the air outlet of the centrifugal fan, a waste heat inlet arranged at the bottom of the combustion chamber, a waste heat recycling circulation inlet pipe communicated with the oven arranged at the waste heat inlet, and a fresh air inlet arranged at the side of the combustion chamber.

[0007] A temperature and humidity air pressure integrator is arranged on the pipe wall of the drying hot air inlet pipe, the waste heat recycling circulation inlet pipe and the fresh air inlet pipe.

[0008] The signal line collection box body is internally provided with a serial port server, the temperature and humidity air pressure integrator is electrically connected with the serial port server, data collected by the temperature and humidity air pressure integrator is transmitted to a printing machine computer terminal through the serial port server, the printing machine computer terminal is in communication with a central control terminal, and the central control terminal is used for controlling system operation.

[0009] In some embodiments, the temperature and humidity air pressure integrator comprises a fixed plate, the fixed plate is provided with a box body, the box body is internally provided with an air speed transmitter and a temperature and humidity sensor, the air speed transmitter is provided with an air speed and volume receiving probe, the temperature and humidity sensor is provided with a temperature and humidity receiving probe, and the air speed and volume receiving probe and the temperature and humidity receiving probe extend out of the box body through the fixed plate.

[0010] In some embodiments, the pipe wall is provided with a square hole, the air speed and volume receiving probe and the temperature and humidity receiving probe extend into the pipeline from the square hole, and the fixed plate is welded on the pipe wall.

[0011] In some embodiments, the box body is provided with a cover plate on a side away from the fixed plate, and the cover plate is detachably mounted on the box body.

[0012] In some embodiments, the printing machine computer terminal is in communication with the central control terminal through a switch.

[0013] In some embodiments, the central control terminal is in communication with a display terminal, and the display terminal is a display board, and the display terminal displays system operation conditions.

[0014] In summary, the printing machine computer terminal is in communication with the central control terminal through a switch.

[0015] (1) The temperature and humidity air pressure integrator is arranged on the pipe wall of the dry hot air inlet pipe, the waste heat recycling circulation inlet pipe and the fresh air inlet pipe, the state of different air in each pipeline can be detected in real time, and the quality control of the printing paper drying can be improved.

[0016] (2) The temperature and humidity detection and air pressure detection are integrated, the fixed plate can be directly welded and mounted on the pipe wall of each air pipe, the fixed plate has universality, only the temperature and humidity receiving probe and the air speed and volume receiving probe extend into the pipeline during detection, the influence of hot air on electronic components of the detection equipment is avoided, and the stability of the detection system is improved.

[0017] (3) The central control terminal is in communication with the display terminal, is used for displaying the working state of the printing machine, is located in a display area of a factory, or is located in an office area, the working personnel can see the running state of the system at any time, faults can be eliminated at any time, and the printing quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the oven circulating drying air detection system.

[0019] Figure 2 It is a schematic view of a drying oven circulating drying air detection system;

[0020] Figure 3 It is a schematic view of a drying oven circulating drying air detection system side view structure;

[0021] Figure 4 It is a schematic view of a temperature and humidity air pressure integrator structure;

[0022] Figure 5 It is a schematic view of a pipe wall structure.

[0023] The reference signs are as follows:

[0024] 1, printing machine; 2, drying oven; 3, combustion chamber; 4, centrifugal fan; 5, drying hot air inlet pipe; 6, waste heat inlet; 7, waste heat recycling circulating inlet pipe; 8, fresh air inlet pipe; 9, temperature and humidity air pressure integrator; 10, pipe wall; 11, signal line collection box; 12, serial server; 13, printing machine computer terminal; 14, central control end; 15, switch; 16, display end;

[0025] 901, fixed plate; 902, box; 903, air speed transmitter; 904, temperature and humidity sensor; 905, air speed and volume receiving probe; 906, temperature and humidity receiving probe; 907, square hole; 908, cover plate. DETAILED DESCRIPTION

[0026] In order to deepen the understanding of the present application, the present application will be further described in conjunction with the embodiments and drawings, which are only used to explain the present application and do not constitute a limitation on the protection scope of the present application.

[0027] As shown in Figures 1-5 A drying oven circulating drying air detection system, comprising a printing machine 1, a drying oven 2 arranged on the printing machine 1, and a combustion chamber 3 arranged on one side of the printing machine 1.

[0028] The printing machine 1 is placed on the workshop floor and is used for printing operation on the printed paper, and the printing machine 1 in the embodiment is a gravure printing machine.

[0029] The centrifugal fan 4 is arranged at the top of the combustion chamber 3, and the air outlet of the centrifugal fan 4 is provided with a drying hot air inlet pipe 5 in communication with the drying oven 2, so that the drying hot air generated in the combustion chamber 3 is transported into the drying oven 2 through the drying hot air inlet pipe 5 to dry the surface of the printed paper.

[0030] The combustion chamber 3 is provided with a waste heat inlet 6 at the bottom, and the waste heat inlet 6 is in communication with the drying oven 2 through a waste heat recycling circulating inlet pipe 7, and the waste heat outlet is the air outlet of the drying oven, so that the waste heat air dried in the drying oven 2 is returned to the combustion chamber 3 through the waste heat recycling circulating inlet pipe 7 for waste heat utilization.

[0031] The combustion chamber 3 is provided with a fresh air inlet pipe 8, the outlet of which is in communication with the outside air, and the fresh air is heated in the combustion chamber 3 to form initial dry hot air entering the oven 2.

[0032] The pipe wall 10 of the dry hot air inlet pipe 5, the waste heat recycling air inlet pipe 7 and the fresh air inlet pipe 8 is provided with a temperature and humidity air pressure integrator 9, which is used to detect the real-time data of the air in each air pipe.

[0033] The printing machine 1 is provided with a signal line summary box 11, and the signal line summary box 11 is provided with a serial port server 12, each temperature and humidity air pressure integrator 9 is electrically connected with the serial port server 12, and the data collected by each temperature and humidity air pressure integrator 9 is transmitted to the printing machine computer terminal 13 through the serial port server 12, the printing machine computer terminal 13 transmits the collected detection data to the central control end 14 through the switch 15, and the central control end 14 is responsible for integrating and processing the data, so as to perform corresponding operation on the printing machine 1.

[0034] The temperature and humidity air pressure integrator 9 in the embodiment comprises a fixed plate 901, the fixed plate 901 is provided with a box 902, the box 902 is provided with a wind speed transmitter 903 and a temperature and humidity sensor 904, the wind speed transmitter 903 is provided with a wind speed and volume receiving probe 905, the temperature and humidity sensor 904 is provided with a temperature and humidity receiving probe 906, and the wind speed and volume receiving probe 905 and the temperature and humidity receiving probe 906 extend out of the box 902 through the fixed plate 901. The pipe wall 10 is provided with a square hole 907, the wind speed and volume receiving probe 905 and the temperature and humidity receiving probe 906 extend into the pipeline from the square hole 907, and the fixed plate 901 is welded on the pipe wall 10.

[0035] Specifically, the temperature and humidity detection and air pressure detection are integrated in the embodiment, and the fixed plate 901 can be directly welded and installed on the pipe wall 10 of each air pipe, which has universality, only the temperature and humidity receiving probe 906 and the wind speed and volume receiving probe 905 extend into the pipeline, the influence of hot air on the electronic components of the detection equipment is avoided, and the stability of the detection system is improved.

[0036] In a more preferred embodiment, the box 902 is provided with a cover plate 908 away from the fixed plate 901, and the cover plate 908 is detachably installed on the box 902.

[0037] The cover plate 908 can be detachably installed on the box 902 by screws, buckles or the like, and the inside of the box 902 can be exposed by detaching the cover plate 908, so that the inside of the temperature and humidity air pressure integrator 9 can be conveniently maintained by the staff, and the stability of the detection system is improved.

[0038] As a further optimization, the central control end 14 is in communication with a display end 16, which is a look board, to display the operation of the system.

[0039] The look board is used to display the working state of the detection system, and is located in a display area of the factory or in an office area, so that the working personnel can see the operation state of the detection system at any time, and the faults can be eliminated at any time, thereby improving the printing quality.

[0040] It should be noted that the implementation not shown or described in the drawings or the specification is known to those skilled in the art, and is not described in detail. In addition, the above definitions of elements and methods are not limited to the specific structures, shapes or ways mentioned in the embodiments.

[0041] It should also be noted that this paper can provide examples of parameters containing specific values, but these parameters do not have to be exactly equal to the corresponding values, but can be approximately equal to the corresponding values within an acceptable error tolerance or design constraint. The direction language mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", "inside", "outside", etc. are only the direction of the drawings, and are not used to limit the protection scope of the application.

[0042] The above description shows and describes the preferred embodiments of the present application, as mentioned above, it should be understood that the present application is not limited to the form disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application described herein by the above teaching or related art or knowledge. The changes and modifications made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of protection of the appended claims of the present application.

Claims

1. An oven cycle dry air detection system characterized by, The application relates to a printing machine, which comprises a printing machine (1), an oven (2) on the printing machine (1), a combustion chamber (3) arranged on one side of the printing machine (1), a centrifugal fan (4) arranged on the top of the combustion chamber (3), a dry hot air inlet pipe (5) arranged on the air outlet of the centrifugal fan (4) and communicated with the oven (2), a waste heat inlet (6) arranged on the bottom of the combustion chamber (3), a waste heat recycling circulation inlet pipe (7) communicated with the oven (2) through the waste heat inlet (6), and a fresh air inlet pipe (8) arranged on the side of the combustion chamber (3). A temperature and humidity air pressure integrator (9) is arranged on the pipe wall (10) of the dry hot air inlet pipe (5), the waste heat recycling circulation inlet pipe (7) and the fresh air inlet pipe (8). A signal line collection box (11) is arranged on the printing machine (1), a serial port server (12) is arranged in the signal line collection box (11), the temperature and humidity air pressure integrator (9) is electrically connected with the serial port server (12), data collected by the temperature and humidity air pressure integrator (9) is transmitted to a printing machine computer terminal (13) through the serial port server (12), the printing machine computer terminal (13) is communicated with a central control terminal (14), and the central control terminal (14) is used for controlling system operation.

2. The oven cycle dry air detection system of claim 1, wherein, The temperature and humidity air pressure integrator (9) comprises a fixed plate (901), a box (902) is arranged on the fixed plate (901), a wind speed transmitter (903) and a temperature and humidity sensor (904) are arranged in the box (902), the wind speed transmitter (903) is provided with a wind speed and volume receiving probe (905), the temperature and humidity sensor (904) is provided with a temperature and humidity receiving probe (906), the wind speed and volume receiving probe (905) and the temperature and humidity receiving probe (906) are arranged to extend out of the box (902) through the fixed plate (901).

3. The oven cycle dry air detection system of claim 2, wherein, A square hole (907) is formed in the pipe wall (10), the wind speed and volume receiving probe (905) and the temperature and humidity receiving probe (906) extend into the pipeline through the square hole (907), and the fixed plate (901) is welded on the pipe wall (10).

4. The oven cycle dry air detection system of claim 3, wherein, A cover plate (908) is arranged on the side, away from the fixed plate (901), of the box (902) and detachably mounted on the box (902).

5. The oven cycle dry air detection system of claim 1, wherein, The printing machine computer terminal (13) is communicated with the central control terminal (14) through a switch (15).

6. The oven cycle dry air detection system of claim 5, wherein, The central control terminal (14) is communicated with a display terminal (16), and the display terminal is a look board used for displaying system operation conditions.

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