Printing waste gas waste heat recovery treatment device

Abstract

The utility model relates to the technical field of waste heat recovery, and discloses a printing waste gas waste heat recovery treatment device which comprises a recovery tank, a spiral pipe is arranged in the recovery tank, the two ends of the spiral pipe are fixedly embedded into the recovery tank, and a stirring shaft is rotationally connected to the center of the upper surface of the recovery tank. A plurality of stirring blades are fixedly connected to the outer surface of the stirring shaft. According to the printing waste gas waste heat recovery treatment device, through the arranged spiral pipe, the purpose that waste gas makes full contact with a water source in the recovery tank can be achieved, the heat exchange effect is effectively improved, through the arranged filter, the purpose of waste gas treatment can be achieved, and through the arranged air cylinder and the arranged piston, the waste heat can be recycled. The purpose that filtered gas extrudes a piston to drive an L-shaped toothed plate to move can be achieved, the effect that a meshing gear drives a stirring shaft and stirring blades to rotate is achieved, water can be evenly heated, and by arranging a second electromagnetic valve and a temperature sensor, the temperature of flowing-out hot water can be accurately controlled.

Description

Technical Field

[0001] The present application relates to the field of waste heat recovery technology, and specifically to a printing waste gas waste heat recovery and treatment device. Background Art

[0002] Waste heat recovery refers to an energy-saving and consumption-reducing measure that uses professional equipment and various technical means to recover and reuse waste heat generated in energy consumption processes such as industrial production, building heating, air conditioning, and furnaces.

[0003] The existing patent (publication number: CN218627902U) discloses a waste heat recovery device for light printing paper production, which enables the heat dissipation pipe to rotate through the body, thereby increasing the heat dissipation efficiency, making fuller use of waste heat, and improving reliability; it includes a bracket, a waste heat recovery water tank, a water inlet pipe, a water outlet pipe, a hand valve, a constraint ring, a rotating seat, a light printing paper production waste gas pipe, a waste heat recovery pipe, a motor, a reducer and a connecting frame, the outer side of the bottom end of the waste heat recovery water tank is connected to the top of multiple groups of brackets, the middle of the top of the waste heat recovery water tank is connected to the outer wall of the constraint ring, the inner wall of the constraint ring is rotatably connected to the outer wall of the rotating seat, a group of light printing paper production waste gas pipes are respectively connected to the left and right sides of the rotating seat, the connecting frame is fixed to the outer side of the middle of the bottom end of the waste heat recovery pipe, the upper left input end of the waste heat recovery water tank is connected to the water inlet pipe, the lower right output end of the waste heat recovery water tank is connected to the water outlet pipe, and a group of hand valves are installed on the water inlet pipe and the water outlet pipe.

[0004] However, the above-mentioned waste heat recovery pipe is rectangular. During the heat exchange process, the gas travels a short distance and the gas cannot exist in the waste heat recovery pipe for a long time, resulting in the exhaust gas still having a certain temperature and low heat exchange efficiency. At the same time, the above-mentioned document drives the waste heat recovery pipe to rotate through a motor to heat the water evenly, which wastes electricity. The energy saving generated by the heat exchange is not proportional to the required electricity. Utility Model Content

[0005] In response to the deficiencies in the prior art, the present application provides a printing waste gas waste heat recovery and treatment device, which has the advantages of high technology and heat exchange efficiency, and solves the problem that the above-mentioned waste heat recovery pipe is rectangular, and during the heat exchange process, the gas travels a short distance, and the gas cannot exist in the waste heat recovery pipe for a long time, causing the exhausted gas to still have a certain temperature and the heat exchange efficiency is low. At the same time, the above-mentioned document drives the waste heat recovery pipe to rotate through a motor to heat the water evenly, which wastes electricity, and the energy saving generated by the heat exchange is not proportional to the required electricity.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a printing waste gas waste heat recovery and treatment device, comprising a recovery tank, a spiral tube is provided inside the recovery tank, both ends of the spiral tube are fixedly embedded in the recovery tank, a stirring shaft is rotatably connected to the center of the upper surface of the recovery tank, a plurality of stirring blades are fixedly connected to the outer surface of the stirring shaft, a temperature sensor is installed on the inner bottom wall of the recovery tank, a water inlet pipe is fixedly connected to the top end of the recovery tank, and a water outlet pipe is fixedly connected to the bottom end of the recovery tank.

[0007] Through the above scheme, by means of the spiral tube, the purpose of sufficient contact between the exhaust gas and the water source in the recovery tank can be achieved, and the heat exchange effect can be effectively improved. By means of the filter, the purpose of treating the exhaust gas can be achieved. By means of the gas cylinder and the piston, the filtered gas can be squeezed by the piston to drive the L-shaped tooth plate to move. The meshing gears drive the stirring shaft and the stirring blades to rotate, and the water can be heated evenly. By means of the second solenoid valve and the temperature sensor, the temperature of the outflowing hot water can be accurately controlled.

[0008] Furthermore, the top end of the spiral tube is fixedly connected to a filter.

[0009] Through the above scheme and the setting of the filter, the purpose of filtering the exhaust gas can be achieved.

[0010] Furthermore, an air cylinder is fixedly connected to the top of the recovery tank, and an air inlet pipe and an air outlet pipe are fixedly connected to the outer surface of the air cylinder. A first solenoid valve is installed inside the air outlet pipe, and a connecting pipe is fixedly connected between the air outlet end of the filter and the air inlet pipe.

[0011] Through the above solution, gas escape can be avoided by setting the first solenoid valve.

[0012] Furthermore, a piston is slidably inserted into the interior of the gas cylinder, a plug block is fixedly connected to one side of the piston, a pressure sensor is installed inside the plug block, and the pressure sensor is located inside the gas cylinder. The plug block is slidably inserted into the gas cylinder, one side of the plug block is fixedly connected to an L-shaped tooth plate, the top end of the stirring shaft is fixedly connected to a gear, and the L-shaped tooth plate is meshingly connected to the gear.

[0013] Through the above scheme, by setting the L-shaped tooth plate, the purpose of driving the stirring shaft to rotate when the L-shaped tooth plate moves can be achieved.

[0014] Furthermore, a spring is fixedly connected to one side of the piston, and the other end of the spring is fixedly connected to the inner wall of the cylinder.

[0015] Through the above solution and the setting of the spring, the purpose of resetting the piston can be achieved.

[0016] Furthermore, a plurality of moving wheels are installed at the bottom of the recovery tank.

[0017] Through the above scheme, the whole can be easily moved by setting the moving wheels.

[0018] Furthermore, a second solenoid valve is installed inside the water outlet pipe.

[0019] Through the above solution, the outflow of water source can be controlled by setting the second solenoid valve.

[0020] Furthermore, a control host is fixedly connected to the outer surface of the recovery tank, and the first solenoid valve, the second solenoid valve, the temperature sensor and the pressure sensor are all electrically connected to the control host.

[0021] Through the above scheme, the purpose of controlling the electrical components can be achieved by controlling the settings of the host.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] This printing waste gas waste heat recovery and treatment device can achieve the purpose of full contact between the waste gas and the water source in the recovery tank through the set spiral tube, effectively improve the heat exchange effect, and can achieve the purpose of treating the waste gas through the set filter. Through the set air cylinder and piston, the filtered gas can squeeze the piston to drive the L-shaped gear plate to move, and the meshing gears can drive the stirring shaft and the stirring blades to rotate, so that the water can be heated evenly. Through the set second solenoid valve and temperature sensor, the temperature of the outflowing hot water can be accurately controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional cutaway view of the overall structure of this application Figure 1 ;

[0025] Figure 2 This is a three-dimensional cutaway view of the overall structure of this application Figure 2 ;

[0026] Figure 3 It is a three-dimensional schematic diagram of the overall structure of this application;

[0027] Figure 4 This is a top view of the overall structure of this application.

[0028] In the figure:

[0029] 1. Recovery tank; 2. Spiral tube; 3. Stirring shaft; 4. Stirring blade; 5. Temperature sensor; 6. Water inlet pipe; 7. Water outlet pipe; 8. Filter; 9. Air cylinder; 10. Air inlet pipe; 11. Air outlet pipe; 12. First solenoid valve; 13. Piston; 14. Insert block; 15. Pressure sensor; 16. L-shaped gear plate; 17. Gear; 18. Spring; 19. Moving wheel; 20. Second solenoid valve; 21. Control host; 22. Connecting pipe. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] See also Figure 1 , Figure 3 and Figure 4 A printing waste gas waste heat recovery and treatment device in this embodiment includes a recovery tank 1. A spiral tube 2 is provided inside the recovery tank 1. Both ends of the spiral tube 2 are fixedly embedded in the recovery tank 1. The top of the spiral tube 2 is fixedly connected to a filter 8. Through the setting of the filter 8, the purpose of filtering the waste gas can be achieved.

[0032] See also Figure 1 , Figure 2 and Figure 3 A plurality of moving wheels 19 are installed at the bottom of the recovery tank 1. The setting of the moving wheels 19 can facilitate the overall movement. A stirring shaft 3 is rotatably connected to the center of the upper surface of the recovery tank 1. A plurality of stirring blades 4 are fixedly connected to the outer surface of the stirring shaft 3. A temperature sensor 5 is installed on the inner bottom wall of the recovery tank 1. A water inlet pipe 6 is fixedly connected to the top of the recovery tank 1. A water outlet pipe 7 is fixedly connected to the bottom end of the recovery tank 1. A second solenoid valve 20 is installed inside the water outlet pipe 7. The setting of the second solenoid valve 20 can control the outflow of water.

[0033] See also Figure 1 , Figure 2 and Figure 3In addition, an air cylinder 9 is fixedly connected to the top of the recovery tank 1, and an air inlet pipe 10 and an air outlet pipe 11 are fixedly connected to the outer surface of the air cylinder 9 respectively. A first solenoid valve 12 is installed inside the air outlet pipe 11, and a connecting pipe 22 is fixedly connected between the air outlet end of the filter 8 and the air inlet pipe 10. The setting of the first solenoid valve 12 can prevent gas escape. A piston 13 is slidably inserted inside the air cylinder 9, and an insert block 14 is fixedly connected to one side of the piston 13. A spring 18 is fixedly connected to one side of the piston 13, and the other end of the spring 18 is fixedly connected to the inner wall of the air cylinder 9. The setting of the spring 18 can achieve the purpose of resetting the piston 13.

[0034] See also Figure 1 , Figure 2 and Figure 4 A pressure sensor 15 is installed inside the plug block 14, and the pressure sensor 15 is located inside the air cylinder 9. The plug block 14 is slidably plugged with the air cylinder 9. An L-shaped toothed plate 16 is fixedly connected to one side of the plug block 14, and a gear 17 is fixedly connected to the top of the stirring shaft 3. The L-shaped toothed plate 16 is meshed with the gear 17. Through the setting of the L-shaped toothed plate 16, the purpose of driving the stirring shaft 3 to rotate when the L-shaped toothed plate 16 moves can be achieved. A control host 21 is fixedly connected to the outer surface of the recovery tank 1, and the first solenoid valve 12, the second solenoid valve 20, the temperature sensor 5 and the pressure sensor 15 are all electrically connected to the control host 21. Through the setting of the control host 21, the purpose of controlling the electrical components can be achieved.

[0035] A printing waste gas waste heat recovery and treatment device in the present embodiment can achieve the purpose of full contact between the waste gas and the water source in the recovery tank 1 through the set spiral tube 2, effectively improve the heat exchange effect, and can achieve the purpose of treating the waste gas through the set filter 8. Through the set air cylinder 9 and piston 13, the filtered gas can squeeze the piston 13 to drive the L-shaped gear plate 16 to move, and the meshing gear 17 drives the stirring shaft 3 and the stirring blade 4 to rotate, so that the water can be heated evenly. Through the set second solenoid valve 20 and temperature sensor 5, the temperature of the outflowing hot water can be accurately controlled.

[0036] It should be noted that the filter 8 can be disassembled and the filter element can be replaced.

[0037] The working principle of the above embodiment is as follows: when in use, the water source output end is connected with the top water inlet pipe 6, and the water source enters the inside of the recovery tank 1, and then the bottom end of the spiral tube 2 is connected with the exhaust gas conveying device, and the exhaust gas enters the spiral tube 2 to heat the water by heat transfer. The temperature sensor 5 can detect the temperature of the water source, and the gas after heat exchange is filtered by the filter 8, and then enters the inside of the air cylinder 9, pushing the piston 13 to move and the spring 18 to pull up, so that the L-shaped tooth plate 16 is engaged with the gear 17, driving the stirring shaft 3 and the stirring blade 4 to rotate, so that the water source is evenly heated, and the pressure sensor 15 can detect the internal pressure of the air cylinder 9. When the preset threshold is reached, that is, the piston 13 reaches the other end of the air cylinder 9, the control host 21 drives the second solenoid valve 20 to open, release the internal gas, and at the same time the piston 13 loses pressure, the spring 18 drives the piston 13 to reset, and the tooth plate drives the rotating shaft to rotate again. When the internal temperature of the recovery tank 1 reaches the preset value, the control host 21 drives the first solenoid valve 12 to open, and the water source flows out.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A printing waste gas waste heat recovery and treatment device, comprising a recovery tank (1), characterized in that: The recovery tank (1) is provided with a spiral tube (2) inside, and both ends of the spiral tube (2) are fixedly embedded in the recovery tank (1); a stirring shaft (3) is rotatably connected to the center of the upper surface of the recovery tank (1); a plurality of stirring blades (4) are fixedly connected to the outer surface of the stirring shaft (3); a temperature sensor (5) is installed on the inner bottom wall of the recovery tank (1); a water inlet pipe (6) is fixedly connected to the top end of the recovery tank (1); and a water outlet pipe (7) is fixedly connected to the bottom end of the recovery tank (1).

2. The printing waste gas waste heat recovery treatment device according to claim 1 is characterized in that: The top end of the spiral tube (2) is fixedly connected to a filter (8).

3. The printing waste gas waste heat recovery treatment device according to claim 2 is characterized in that: The top of the recovery tank (1) is fixedly connected to an air cylinder (9), the outer surface of the air cylinder (9) is fixedly connected to an air inlet pipe (10) and an air outlet pipe (11), a first solenoid valve (12) is installed inside the air outlet pipe (11), and a connecting pipe (22) is fixedly connected between the air outlet end of the filter (8) and the air inlet pipe (10).

4. The printing waste gas waste heat recovery treatment device according to claim 3 is characterized by: A piston (13) is slidably inserted into the interior of the gas cylinder (9), a plug block (14) is fixedly connected to one side of the piston (13), a pressure sensor (15) is installed inside the plug block (14), and the pressure sensor (15) is located inside the gas cylinder (9). The plug block (14) is slidably inserted into the gas cylinder (9), an L-shaped toothed plate (16) is fixedly connected to one side of the plug block (14), a gear (17) is fixedly connected to the top end of the stirring shaft (3), and the L-shaped toothed plate (16) is meshingly connected to the gear (17).

5. The printing waste gas waste heat recovery treatment device according to claim 4 is characterized in that: A spring (18) is fixedly connected to one side of the piston (13), and the other end of the spring (18) is fixedly connected to the inner wall of the gas cylinder (9).

6. The printing waste gas waste heat recovery treatment device according to claim 1 is characterized by: A plurality of moving wheels (19) are installed at the bottom of the recovery tank (1).

7. The printing waste gas waste heat recovery treatment device according to claim 1 is characterized by: A second solenoid valve (20) is installed inside the water outlet pipe (7).

8. The printing waste gas waste heat recovery treatment device according to claim 1 is characterized in that: A control host (21) is fixedly connected to the outer surface of the recovery tank (1), and the first solenoid valve (12), the second solenoid valve (20), the temperature sensor (5) and the pressure sensor (15) are all electrically connected to the control host (21).

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