Waste heat boiler heat exchange tube with good heat exchange effect

Abstract

The utility model discloses a waste heat boiler heat exchange tube with a good heat exchange effect, which comprises a heat exchange tube, the upper end of the heat exchange tube is contacted with an upper shell, the lower end of the heat exchange tube is contacted with a lower shell, the upper shell is contacted with the lower shell, the front end and the rear end of the upper shell are fixedly connected with connecting seats, the front end and the rear end of the lower shell are fixedly connected with supporting seats, and the supporting seats are fixedly connected with the connecting seats. A hinge seat is fixedly connected to the top of the supporting seat, and a hinge rod is hinged to the interior of the hinge seat. Through the effect of the motor, the output end of the motor can drive the square rod to rotate, then the rotating shaft can rotate, the rotating shaft can drive the blades to rotate when rotating, the blades can stir fluid in the heat exchange pipes to form vortexes, flowing of the fluid can be accelerated, and therefore the heat exchange efficiency is improved, and the heat exchange effect is improved. And the rotating shaft can further drive the scraper to rotate, the scraper can rotate along the inner wall of the heat exchange pipe, scale impurities on the inner wall can be cleaned and scraped, and therefore the heat exchange effect is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange tubes, in particular to a waste heat boiler heat exchange tube with good heat exchange effect. Background Art

[0002] The waste heat boiler consists of a drum, a movable smoke hood, a furnace flue section, an inclined flue section 1, an inclined flue section 2, a final flue section 1, a final flue section 2, a feeding pipe (feeding chute), an oxygen gun nozzle, a nitrogen sealing device and a nitrogen sealing plug, an inlet hole, a micro differential pressure taking device, a flue support and a hanger, etc. The waste heat boiler needs to be connected to the heat exchange pipe when working.

[0003] The utility model patent with the patent authorization announcement number CN215675129U discloses a heat exchange tube for a boiler, including a heat exchange tube body and a protective shell, wherein the heat exchange tube body is composed of a first heat exchange tube and a second heat exchange tube, and the surface of the first heat exchange tube is fixedly connected with a first connection block, the surface of the first connection block is fixedly connected with a first flow increaser tube, and the surface of the first flow increaser tube is fixedly connected with a first clamping block, the surface of the second heat exchange tube is fixedly connected with a second connection block, and the surface of the second connection block is fixedly connected with a second flow increaser tube. The utility model solves the problem that the connection between the two heat exchange tubes is prone to cracking when the existing heat exchange tube is in use, thereby affecting the service life of the boiler, through the mutual cooperation of the threaded sleeve and the threaded ring, the connection is more stable and not prone to breakage, and the overall protection capability is improved through the first flow increaser tube and the second flow increaser tube, and the heat exchange efficiency is improved by increasing the area of ​​the first heat exchange tube and the second heat exchange tube.

[0004] In the above-mentioned prior art, during the use of the heat exchange tube, the slow flow rate of the fluid in the heat exchange tube will affect the heat exchange efficiency, thereby affecting the heat exchange effect, and the two shells are connected and fixed by bolts. When they need to be disassembled, they first need to use tools such as wrenches to remove the bolts before the shells can be disassembled, which is not convenient. Therefore, improvements are needed. Utility Model Content

[0005] The utility model aims to provide a waste heat boiler heat exchange tube with good heat exchange effect, solves the problem that slow fluid flow rate affects the heat exchange effect, and also solves the problem that it is inconvenient to disassemble the shell.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat boiler heat exchange tube with good heat exchange effect, including a heat exchange tube, the upper end of the heat exchange tube contacts with an upper shell, the lower end of the heat exchange tube contacts with a lower shell, the upper shell contacts with the lower shell, the front and rear ends of the upper shell are fixedly connected with a connecting seat, the front and rear ends of the lower shell are fixedly connected with a supporting seat, the top of the support seat is fixedly connected with a hinged seat, the interior of the hinged seat is hinged with a hinged rod, the hinged rod is in contact with the connecting seat, the heat exchange tube is provided with an acceleration mechanism, and the hinged rod is provided with a connecting mechanism.

[0007] Preferably, the acceleration mechanism includes a motor, and two symmetrically distributed motors are fixedly connected to the top of the upper shell, the output end of the motor is connected to the upper shell through a bearing, the lower end of the motor output end is fixedly connected to a square rod, the outer side of the square rod is slidably sleeved with a connecting sleeve, the lower end of the connecting sleeve is fixedly connected to a rotating rod, the rotating rod is connected to the heat exchange tube through a bearing, the lower end of the rotating rod is fixedly connected to a first bevel gear, the first bevel gear is meshed with a second bevel gear, the inner side of the second bevel gear is fixedly sleeved with a rotating shaft, the rotating shaft is connected to the heat exchange tube through a bearing, one end of the rotating shaft is fixedly connected to a blade, the other end of the rotating shaft is fixedly connected to a scraper, and the scraper contacts the top of the inner wall of the heat exchange tube. By designing the acceleration mechanism, the flow of fluid in the heat exchange tube can be accelerated.

[0008] Preferably, a sealing ring is fixedly connected inside the heat exchange tube, and the sealing ring is rotatably connected to the rotating rod. By designing the sealing ring, the connection between the rotating rod and the heat exchange tube can be sealed.

[0009] Preferably, a square groove is provided inside the connecting sleeve, and a square rod is slidably connected inside the square groove. By designing the square groove, the square rod can slide relative to the connecting sleeve, and the square rod can drive the connecting sleeve to rotate.

[0010] Preferably, the connection mechanism includes a slider, a slide bar, a spring, a connection block, a pull block, and an insert block. The hinge rod is slidably sleeved with a slider inside, the upper end of the slider is fixedly connected with a slide bar, the slide bar is slidably connected to the hinge rod, a spring is arranged on the outside of the slide bar, the end of the slider away from the inner side wall of the hinge rod is fixedly connected with a connection block, the connection block is slidably connected to the hinge rod, the connection block is in contact with a connection seat, the top of the connection block is fixedly connected with a pull block, the bottom of the connection block is fixedly connected with an insert block, and the insert block is in contact with the connection seat. By designing the connection mechanism, it is convenient to split the upper shell and the lower shell.

[0011] Preferably, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the hinge rod. The spring is designed so that the force of the spring can act on the slider.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model designs the function of the motor. The output end of the motor can drive the square rod to rotate, and then realize the rotation of the shaft. When the shaft rotates, it can drive the blades to rotate. The blades can stir the fluid inside the heat exchange tube to form a vortex, which can accelerate the flow of the fluid to improve the heat exchange efficiency and the heat exchange effect. The shaft can also drive the scraper to rotate. The scraper can rotate along the inner wall of the heat exchange tube to clean and scrape off scale impurities on the inner wall, thereby further improving the heat exchange effect.

[0014] 2. The utility model can connect and fix the upper shell and the lower shell by designing the connection between the plug block and the connecting seat, so as to support and fix the heat exchange tube. The plug block and the connecting seat can be separated by pulling the pull rod, and the upper shell and the lower shell can be easily disassembled, which is convenient for the inspection and maintenance of the internal structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A front cross-sectional view of a local structure;

[0017] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of point B.

[0020] In the figure: 1. heat exchange tube; 2. upper shell; 3. lower shell; 4. connecting seat; 5. supporting seat; 6. hinged seat; 7. hinged rod; 8. acceleration mechanism; 9. connecting mechanism; 81. motor; 82. square rod; 83. connecting sleeve; 84. square groove; 85. rotating rod; 86. sealing ring; 87. first bevel gear; 88. second bevel gear; 89. rotating shaft; 891. blade; 892. scraper; 91. slider; 92. slide rod; 93. spring; 94. connecting block; 95. pull block; 96. plug block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 4 A heat exchange tube for a waste heat boiler with good heat exchange effect comprises a heat exchange tube 1, the upper end of the heat exchange tube 1 contacts an upper shell 2, the lower end of the heat exchange tube 1 contacts a lower shell 3, the upper shell 2 contacts the lower shell 3, the front and rear ends of the upper shell 2 are fixedly connected with a connecting seat 4, the front and rear ends of the lower shell 3 are fixedly connected with a supporting seat 5, the top of the supporting seat 5 is fixedly connected with a hinge seat 6, the interior of the hinge seat 6 is hinged with a hinge rod 7, the hinge rod 7 contacts the connecting seat 4, an acceleration mechanism 8 is arranged on the heat exchange tube 1, and a connecting mechanism 9 is arranged on the hinge rod 7.

[0023] See also Figure 1 , Figure 2 , Figure 3 The acceleration mechanism 8 includes a motor 81. Two symmetrically distributed motors 81 are fixedly connected to the top of the upper shell 2. The output end of the motor 81 is connected to the upper shell 2 through a bearing. The lower end of the output end of the motor 81 is fixedly connected to a square rod 82. The outer side of the square rod 82 is slidably sleeved with a connecting sleeve 83. The connecting sleeve 83 is provided with a square groove 84. The square groove 84 is slidably connected to the square rod 82. By designing the square groove 84, the square rod 82 can slide relative to the connecting sleeve 83, and the square rod 82 can drive the connecting sleeve 83 to rotate. The lower end of the connecting sleeve 83 is fixedly connected to a rotating rod 85. The rotating rod 85 is connected to the heat exchange tube 1 through a bearing. A sealing ring 86 is fixedly connected inside, and the sealing ring 86 is rotatably connected to the rotating rod 85. By designing the sealing ring 86, the connection between the rotating rod 85 and the heat exchange tube 1 can be sealed. The lower end of the rotating rod 85 is fixedly connected to a first bevel gear 87, and a second bevel gear 88 is meshed on the first bevel gear 87. The interior of the second bevel gear 88 is fixedly sleeved with a rotating shaft 89, and the rotating shaft 89 is connected to the heat exchange tube 1 through a bearing. One end of the rotating shaft 89 is fixedly connected to a blade 891, and the other end of the rotating shaft 89 is fixedly connected to a scraper 892, and the scraper 892 contacts the top of the inner wall of the heat exchange tube 1. By designing the acceleration mechanism 8, the flow of the fluid in the heat exchange tube 1 can be accelerated.

[0024] See also Figure 1 , Figure 4 , Figure 5The connecting mechanism 9 includes a slider 91, a slide rod 92, a spring 93, a connecting block 94, a pull block 95, and an insert block 96. The slider 91 is slidably sleeved inside the hinged rod 7. The upper end of the slider 91 is fixedly connected to the slide rod 92. The slide rod 92 is slidably connected to the hinged rod 7. A spring 93 is arranged on the outer side of the slide rod 92. One end of the spring 93 is fixedly connected to the slider 91, and the other end of the spring 93 is fixedly connected to the hinged rod 7. By designing the spring 93, the force of the spring 93 can act on the slider 91. One end of the slider 91 away from the inner side wall of the hinged rod 7 is fixedly connected to the connecting block 94. The connecting block 94 is slidably connected to the hinged rod 7. The connecting block 94 contacts the connecting seat 4. The top of the connecting block 94 is fixedly connected to the pull block 95, and the bottom of the connecting block 94 is fixedly connected to the insert block 96. The insert block 96 contacts the connecting seat 4. By designing the connecting mechanism 9, it is convenient to split the upper shell 2 and the lower shell 3.

[0025] The specific implementation process of the utility model is as follows: when in use, when the heat exchange tube 1 is working, the motor 81 works at the same time, the output end of the motor 81 drives the square rod 82 to rotate, the square rod 82 drives the connecting sleeve 83 to rotate, the connecting sleeve 83 drives the rotating rod 85 to rotate, the rotating rod 85 drives the first bevel gear 87 to rotate, the first bevel gear 87 drives the second bevel gear 88 and the rotating shaft 89 to rotate, and the rotating shaft 89 will drive the blade 891 to rotate when rotating. The blade 891 can stir the fluid inside the heat exchange tube 1 to form a vortex, which can accelerate the flow of the fluid to improve the heat exchange efficiency and the heat exchange effect. The rotating shaft 89 can also drive the scraper 892 to rotate. The scraper 892 can rotate along the inner wall of the heat exchange tube 1 to clean and scrape away scale impurities on the inner wall, thereby further improving the heat exchange effect. When it is necessary to separate the upper shell 2 and the lower shell 3, first pull up the pulling block 95, the pulling block 95 drives the connecting block 94 to move, the connecting block 94 drives the slider 91 and the slide rod 92 to move up, the slider 91 squeezes the spring 93, and at the same time the connecting block 94 drives the plug block 96 to move, so that the plug block 96 is separated from the connecting seat 4, and then the hinge rod 7 is rotated, the hinge rod 7 drives the connecting block 94 and the plug block 96 to rotate so that they are completely separated from the connecting seat 4, at this time, the upper shell 2 can be moved up to be removed, and the upper shell 2 and the lower shell 3 can be easily separated, which is convenient for the inspection and maintenance of the internal structure.

[0026] Although embodiments of the present invention 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 invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat exchange tube for a waste heat boiler having good heat exchange effect, comprising a heat exchange tube (1), characterized in that: The upper end of the heat exchange tube (1) contacts an upper shell (2), and the lower end of the heat exchange tube (1) contacts a lower shell (3). The upper shell (2) contacts the lower shell (3). The front and rear ends of the upper shell (2) are fixedly connected to a connecting seat (4). The front and rear ends of the lower shell (3) are fixedly connected to a supporting seat (5). The top of the supporting seat (5) is fixedly connected to a hinge seat (6). The hinge seat (6) is hinged with a hinge rod (7) inside. The hinge rod (7) contacts the connecting seat (4). An acceleration mechanism (8) is provided on the heat exchange tube (1), and a connecting mechanism (9) is provided on the hinge rod (7).

2. The heat exchange tube for waste heat boiler with good heat exchange effect according to claim 1, characterized in that: The acceleration mechanism (8) comprises a motor (81), two symmetrically distributed motors (81) are fixedly connected to the top of the upper shell (2), the output ends of the motors (81) are connected to the upper shell (2) via bearings, the lower end of the output end of the motor (81) is fixedly connected to a square rod (82), the outer side of the square rod (82) is slidably sleeved with a connecting sleeve (83), the lower end of the connecting sleeve (83) is fixedly connected to a rotating rod (85), and the rotating rod (85) is connected to the heat exchange tube (1) via bearings. The lower end of the rotating rod (85) is fixedly connected to a first bevel gear (87), the first bevel gear (87) is meshed with a second bevel gear (88), the interior of the second bevel gear (88) is fixedly sleeved with a rotating shaft (89), the rotating shaft (89) is connected to the heat exchange tube (1) via a bearing, one end of the rotating shaft (89) is fixedly connected to a blade (891), and the other end of the rotating shaft (89) is fixedly connected to a scraper (892), and the scraper (892) contacts the top of the inner wall of the heat exchange tube (1).

3. The heat exchange tube for a waste heat boiler with good heat exchange effect according to claim 1, characterized in that: A sealing ring (86) is fixedly connected to the interior of the heat exchange tube (1), and the sealing ring (86) is rotatably connected to the rotating rod (85).

4. The heat exchange tube for waste heat boiler with good heat exchange effect according to claim 2, characterized in that: A square groove (84) is provided inside the connecting sleeve (83), and a square rod (82) is slidably connected inside the square groove (84).

5. The heat exchange tube for waste heat boiler with good heat exchange effect according to claim 1, characterized in that: The connecting mechanism (9) comprises a slider (91), a slide rod (92), a spring (93), a connecting block (94), a pull block (95), and an insert block (96); the slider (91) is slidably sleeved inside the hinged rod (7); the upper end of the slider (91) is fixedly connected to the slide rod (92); the slide rod (92) is slidably connected to the hinged rod (7); a spring (93) is arranged on the outer side of the slide rod (92); one end of the slider (91) away from the inner side wall of the hinged rod (7) is fixedly connected to the connecting block (94); the connecting block (94) is slidably connected to the hinged rod (7); the connecting block (94) is in contact with the connecting seat (4); the top of the connecting block (94) is fixedly connected to the pull block (95); the bottom of the connecting block (94) is fixedly connected to the insert block (96); the insert block (96) is in contact with the connecting seat (4).

6. The heat exchange tube for waste heat boiler with good heat exchange effect according to claim 5, characterized in that: One end of the spring (93) is fixedly connected to the slider (91), and the other end of the spring (93) is fixedly connected to the hinge rod (7).

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