Boiler economizer

Abstract

The utility model discloses a boiler economizer and relates to the technical field of boiler equipment. The boiler economizer comprises a tail gas tank, one side of the tail gas tank is fixedly connected with a smoke inlet pipe, the other side of the tail gas tank is fixedly connected with a smoke outlet pipe, the top of the tail gas tank is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a water tank, one side of the water tank is fixedly connected with a water inlet pipe, and the other side of the water tank is fixedly connected with a water outlet pipe. A uniform heating device and an auxiliary heating device are arranged on the water tank; through the uniform heating device, when water is put into the water tank from the water inlet pipe, a spiral conveying blade is impacted to drive a rotating rod to rotate, the rotating rod can drive a transmission rod to rotate through a transmission belt, and the transmission rod can drive stirring blades, an elastic telescopic rod and a knocking head to rotate; and after rotating to a fixed position, a knocking head knocks an arc-shaped convex block to generate vibration, so that the heating effect of water is enhanced, and the practicability is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler equipment, in particular to a boiler economizer. Background Art

[0002] Generally, economizers are installed in the flue at the rear of the boiler to use the heat of the low-temperature flue gas at the rear of the boiler to heat the boiler feed water. Water flows from bottom to top in the economizer, and the flue gas flushes the serpentine pipe system from top to bottom, forming convection heat transfer, and transferring the heat of the flue gas to the water in the serpentine pipe system. Since it absorbs the heat of the low-temperature flue gas, it reduces the exhaust temperature of the flue gas, saves energy and improves efficiency, so it is called an economizer.

[0003] According to a disclosed one (publication number: CN 218379372 U), it includes: a water tank, which is formed with a first accommodating chamber, a water inlet and a water outlet; the water inlet and the water outlet are both connected to the first accommodating chamber; a tail gas pipe, which is formed with a second accommodating chamber, an air inlet and an air outlet, the air inlet and the air outlet are connected to the second accommodating chamber; the tail gas pipe is connected to the water tank; and a heat-conducting component, the two ends of the heat-conducting component in the extension direction are respectively located in the first accommodating chamber and the second accommodating chamber. In the above application, the heat in the tail gas pipe can be introduced into the water tank through the arrangement of the above structure, thereby increasing the heat exchange efficiency of the economizer, but the above application cannot make the water in the water tank be heated evenly, and is not very practical. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a boiler economizer that solves the problems raised in the above background technology. To achieve the above purpose, the utility model is implemented through the following technical solutions: a boiler economizer, including an exhaust box and an arc-shaped protruding block, one side of the exhaust box is fixedly connected to a smoke inlet pipe, the other side of the exhaust box is fixedly connected to a smoke outlet pipe, the top of the exhaust box is fixedly connected to a connecting plate 1, the top of the connecting plate 1 is fixedly connected to a water tank, one side of the water tank is fixedly connected to a water inlet pipe, the other side of the water tank is fixedly connected to a water outlet pipe, and the water tank is provided with a uniform heating device and an auxiliary heating device;

[0005] The uniform heating device includes a rotating rod, the outside of which is fixedly connected to a spiral conveying blade, the upper end of the rotating rod is connected to a transmission rod via a transmission belt, the outside of the transmission rod is fixedly connected to a stirring blade, the top and bottom sides of the stirring blade are fixedly connected to an elastic telescopic rod, the side of the elastic telescopic rod away from the stirring blade is fixedly connected to a knocking head, and the arc-shaped protrusion block is fixedly connected to the upper and lower inner walls inside the water tank.

[0006] Preferably, the bottom of the rotating rod is rotatably connected to the inner wall of the water tank, the spiral conveying blades are arranged on the sides of the water inlet pipe and the water outlet pipe, and the rotating rod can effectively drive the transmission rod to rotate through the transmission belt.

[0007] Preferably, the bottom of the transmission rod is rotatably connected to the inner wall of the water tank, and the elastic telescopic rod, the knocking head and the arc-shaped protrusion block are provided in two groups, and the elastic telescopic rod, the knocking head and the arc-shaped protrusion block are symmetrically arranged, and the transmission rod can effectively drive the stirring blade, the elastic telescopic rod and the knocking head to rotate.

[0008] Preferably, the auxiliary heating device includes a connecting rod, a side of which is fixedly connected to a triangular top block, one side of the triangular top block is slidably connected to the second connecting plate, the other side of the triangular top block is provided with a swing plate, and the side of the swing plate is rotatably connected to a torsion spring rod.

[0009] Preferably, a side of the connecting rod away from the triangular top block is fixedly connected with an elastic telescopic rod, and the shape of the connecting rod is set to be L-shaped. The connecting rod can effectively drive the triangular top block to push the swing plate.

[0010] Preferably, the swing plate is rotatably connected to the side of the stirring blade away from the transmission rod through a torsion spring rod, and two groups of the swing plates are provided. The swing plates can swing effectively to enhance the heat mixing state of the water in the water tank.

[0011] The utility model provides a boiler economizer, which has the following beneficial effects:

[0012] (1) The present application uses a uniform heating device, which can drive the rotating rod to rotate by impacting the spiral conveying blade when water is put into the water tank from the water inlet pipe. The rotating rod will drive the transmission rod to rotate through the transmission belt, and the transmission rod will drive the stirring blade, the elastic telescopic rod and the knocking head to rotate. After the knocking head rotates to a fixed position, it will knock the arc-shaped protrusion block to generate vibration, thereby enhancing the heating effect of the water, and has strong practicality.

[0013] (2) The present application uses an auxiliary heating device, which can be squeezed when the striking head strikes the arc-shaped protruding block. The elastic telescopic rod will be squeezed and contracted, and at the same time drive the connecting rod to push the triangular top block, and the triangular top block will push the swing plate to move. The swing plate will rotate under the action of the thrust and the torsion spring rod to produce a swinging effect, thereby further enhancing the practicality of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional internal structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at A in the middle;

[0017] Figure 4 For this utility model Figure 2 Schematic diagram of the structure at point B in the middle.

[0018] In the figure: 1. exhaust box; 2. smoke inlet pipe; 3. smoke outlet pipe; 4. connecting plate 1; 5. water tank; 6. water inlet pipe; 7. water outlet pipe; 8. uniform heating device; 81. rotating rod; 82. spiral conveying blade; 83. transmission belt; 84. transmission rod; 85. stirring blade; 86. elastic telescopic rod; 87. knocking head; 88. arc-shaped raised block; 9. auxiliary heating device; 91. connecting rod; 92. triangular top block; 93. connecting plate 2; 94. swing plate; 95. torsion spring rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Embodiment 1

[0021] See also Figure 1-3 A boiler economizer comprises a tail gas box 1, one side of the tail gas box 1 is fixedly connected with a smoke inlet pipe 2, the other side of the tail gas box 1 is fixedly connected with a smoke outlet pipe 3, the top of the tail gas box 1 is fixedly connected with a connecting plate 4, the top of the connecting plate 4 is fixedly connected with a water tank 5, one side of the water tank 5 is fixedly connected with a water inlet pipe 6, the other side of the water tank 5 is fixedly connected with a water outlet pipe 7, and a uniform heating device 8 and an auxiliary heating device 9 are arranged on the water tank 5;

[0022] The uniform heating device 8 includes a rotating rod 81, the outside of which is fixedly connected with a spiral conveying blade 82, the upper end of which is connected to a transmission rod 84 through a transmission belt 83, the outside of which is fixedly connected with a stirring blade 85, the sides of the top and bottom stirring blades 85 are fixedly connected with an elastic telescopic rod 86, the side of the elastic telescopic rod 86 away from the stirring blade 85 is fixedly connected with a knocking head 87, and an arc-shaped protruding block 88 is fixedly connected to the upper and lower inner walls of the water tank 5. The bottom of the rotating rod 81 is rotatably connected to the inner wall of the water tank 5, the spiral conveying blade 82 is arranged on the side of the water inlet pipe 6 and the water outlet pipe 7, and the rotating rod 81 can effectively drive the transmission rod 84 to rotate through the transmission belt 83. The bottom of the transmission rod 84 is rotatably connected to the inner wall of the water tank 5, and two groups of elastic telescopic rods 86, knocking heads 87 and arc-shaped protruding blocks 88 are provided, and the elastic telescopic rods 86, knocking heads 87 and arc-shaped protruding blocks 88 are symmetrically arranged, and the transmission rod 84 can effectively drive the stirring blades 85, the elastic telescopic rods 86 and the knocking heads 87 to rotate. The present application uses a uniform heating device 8 to drive the rotating rod 81 to rotate by impacting the spiral conveying blades 82 when water is put into the water tank 5 from the water inlet pipe 6, and the rotating rod 81 will drive the transmission rod 84 to rotate through the transmission belt 83, and the transmission rod 84 will drive the stirring blades 85, the elastic telescopic rod 86 and the knocking heads 87 to rotate. After rotating to a fixed position, the knocking heads 87 will knock the arc-shaped protruding blocks 88 to generate vibrations, thereby enhancing the heating effect of water, and the practicality is strong.

[0023] When this embodiment is used, the smoke exhaust pipe of the boiler is first connected to the smoke inlet pipe 2 to allow the smoke generated in the boiler to enter the interior of the exhaust box 1. The smoke will generate heat in the exhaust box 1, and then water will be injected into the interior of the water tank 5 through the water inlet pipe 6. The water flow will impact the spiral conveying blade 82 to drive the rotating rod 81 to rotate. At the same time, the spiral conveying blade 82 can transport the water at the bottom of the water tank 5 to the upper end of the water tank 5, so that the water is heated more evenly. While rotating, the rotating rod 81 will drive the transmission rod 84 to rotate through the transmission belt 83. The transmission rod 84 will drive the stirring blade 85, the elastic telescopic rod 86 and the knocking head 87 to rotate. After rotating a certain distance, the knocking head 87 will knock with the arc-shaped protrusion block 88 to generate vibration, thereby enhancing the heating effect of the water inside the water tank 5, and has strong practicality.

[0024] Embodiment 2

[0025] See also Figure 1-4On the basis of the first embodiment, the auxiliary heating device 9 includes a connecting rod 91, a triangular top block 92 is fixedly connected to the side of the connecting rod 91, one side of the triangular top block 92 is slidably connected to the second connecting plate 93, and a swing plate 94 is provided on the other side of the triangular top block 92, and a torsion spring rod 95 is rotatably connected to the side of the swing plate 94. The auxiliary heating device 9 can effectively assist the water in the water tank 5 to be heated. The side of the connecting rod 91 away from the triangular top block 92 is fixedly connected to the elastic telescopic rod 86, and the shape of the connecting rod 91 is set to be L-shaped. The connecting rod 91 can effectively drive the triangular top block 92 to push the swing plate 94. The swing plate 94 is rotatably connected to the side of the stirring blade 85 away from the transmission rod 84 through the torsion spring rod 95. The swing plate 94 is provided with two groups, and the swing plate 94 can effectively swing to enhance the heat mixing state of the water in the water tank 5. The present application uses an auxiliary heating device 9, which can be squeezed when the knocking head 87 and the arc-shaped protruding block 88 knock. The elastic telescopic rod 86 will be squeezed and contracted, and at the same time drive the connecting rod 91 to push the triangular top block 92. The triangular top block 92 will push the swing plate 94 to move. The swing plate 94 will rotate under the action of the thrust and the torsion spring rod 95 to produce a swinging effect, thereby further enhancing the practicality of the entire device.

[0026] During use, on the basis of the first embodiment, while the striking head 87 strikes the arc-shaped protruding block 88, the elastic telescopic rod 86 will be subjected to an extrusion force, the elastic telescopic rod 86 will contract and drive the connecting rod 91 to push the triangular top block 92 to move, the triangular top block 92 will push the swing plate 94 to swing, further enhancing the heating effect of the water inside the water tank 5 and further enhancing the practicality of the entire device.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A boiler economizer, comprising a tail gas box (1) and an arc-shaped protruding block (88), characterized in that: One side of the tail gas box (1) is fixedly connected to a smoke inlet pipe (2), the other side of the tail gas box (1) is fixedly connected to a smoke outlet pipe (3), the top of the tail gas box (1) is fixedly connected to a connecting plate (4), the top of the connecting plate (4) is fixedly connected to a water tank (5), one side of the water tank (5) is fixedly connected to a water inlet pipe (6), the other side of the water tank (5) is fixedly connected to a water outlet pipe (7), and the water tank (5) is provided with a uniform heating device (8) and an auxiliary heating device (9); The uniform heating device (8) comprises a rotating rod (81), the outside of which is fixedly connected to a spiral conveying blade (82), the upper end of which is connected to a transmission rod (84) via a transmission belt (83), the outside of which is fixedly connected to a stirring blade (85), the uppermost and lowermost sides of the stirring blade (85) are fixedly connected to elastic telescopic rods (86), the side of the elastic telescopic rod (86) away from the stirring blade (85) is fixedly connected to a knocking head (87), and the arc-shaped protruding block (88) is fixedly connected to the upper and lower inner walls of the water tank (5).

2. A boiler economizer according to claim 1, characterized in that: The bottom of the rotating rod (81) is rotatably connected to the inner wall of the water tank (5), and the spiral conveying blades (82) are arranged on the sides of the water inlet pipe (6) and the water outlet pipe (7).

3. A boiler economizer according to claim 2, characterized in that: The bottom of the transmission rod (84) is rotatably connected to the inner wall of the water tank (5), and the elastic telescopic rod (86), the knocking head (87) and the arc-shaped protruding block (88) are provided in two groups, and the elastic telescopic rod (86), the knocking head (87) and the arc-shaped protruding block (88) are symmetrically arranged.

4. A boiler economizer according to claim 3, characterized in that: The auxiliary heating device (9) comprises a connecting rod (91), a side edge of the connecting rod (91) is fixedly connected to a triangular top block (92), one side of the triangular top block (92) is slidably connected to a second connecting plate (93), and a swing plate (94) is provided on the other side of the triangular top block (92), and a side edge of the swing plate (94) is rotatably connected to a torsion spring rod (95).

5. A boiler economizer according to claim 4, characterized in that: The side of the connecting rod (91) away from the triangular top block (92) is fixedly connected to an elastic telescopic rod (86), and the shape of the connecting rod (91) is set to be L-shaped.

6. A boiler economizer according to claim 5, characterized in that: The swing plate (94) is rotatably connected to the side of the stirring blade (85) away from the transmission rod (84) through a torsion spring rod (95), and two groups of the swing plates (94) are provided.

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