Boiler flue gas cooler

Abstract

The utility model discloses a boiler flue gas cooler, and particularly relates to the technical field of coolers, which comprises a cooling assembly for cooling flue gas in a boiler, the cooling assembly comprises a water inlet tank and a water outlet tank which are distributed up and down, the water inlet tank is arranged at the bottom of the water outlet tank, the front side of the water inlet tank fixedly communicates with a water inlet pipe, the front side of the water outlet tank fixedly communicates with a water outlet pipe, and multiple sets of condensation parts are arranged on the rear sides of the water inlet tank and the water outlet tank; and each group of condensing parts comprises a condensing pipe with a wavy section. According to the utility model, the condensation pipes in the plurality of groups of condensation pieces are communicated with the water inlet tank and the water outlet tank, so that cooling water can circulate in the condensation pipes in a reciprocating manner, and the condensation pipes in contact with high-temperature flue gas can be cooled and absorb heat; and the contact surface with the flue gas and the circulation efficiency of cooling water can be increased, so that the cooling efficiency of the flue gas can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coolers, and more specifically to a boiler flue gas cooler. Background Art

[0002] Boiler flue gas coolers are highly efficient and environmentally friendly devices that reduce exhaust gas temperatures, thereby saving energy and reducing emissions, thereby improving economic efficiency. In the future, as technology advances and environmental protection requirements increase, the application of boiler flue gas coolers will become more widespread, and their technology and structure will be further optimized.

[0003] As shown in the application document with the prior art publication number CN220852198U, it includes a cooler shell, a first cleaning mechanism, a driving mechanism, a second cleaning mechanism and a third cleaning mechanism; the motor drives the first rotating shaft to rotate, the first rotating shaft drives the first pulley and the second pulley to rotate, the first pulley drives the third pulley to rotate through the first belt, thereby driving the second rotating shaft to rotate, and then driving the first gear to rotate, the second pulley drives the fourth pulley to rotate through the second belt, thereby driving the third rotating shaft to rotate, and then driving the second gear to rotate, and the first gear and the second gear can respectively drive the first rack and the second rack to reciprocate left and right inside the cooler shell, so that the first cleaning brush and the second cleaning brush can clean the top and bottom ends of the heat exchange tube, and under the joint action of the first cleaning mechanism, the second cleaning mechanism and the third cleaning mechanism, the heat exchange tube can be cleaned more comprehensively.

[0004] However, the heat exchange efficiency of the flue gas in the above technical solution is low, and it cannot fully absorb and cool the heat in the flue gas. In addition, the technology lacks a structure for packaging the heat exchange tubes, which affects the convenience of transporting the cooler in this technical solution and easily allows external dust and other impurities to enter the heat exchange tubes and cause pollution. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a boiler flue gas cooler. Through the connection between multiple groups of condensing tubes in the condensing parts and the water inlet tank and the water outlet tank, the cooling water can circulate back and forth inside the condensing tubes, thereby cooling the condensing tubes in contact with the high-temperature flue gas and absorbing heat. In addition, multiple condensing tubes with wavy cross-sections can increase the contact area with the flue gas and the circulation efficiency of the cooling water, thereby effectively improving the cooling efficiency of the flue gas to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a boiler flue gas cooler, comprising a cooling assembly for cooling the flue gas in the boiler;

[0007] The cooling assembly includes a water inlet box and a water outlet box distributed vertically. The water inlet box is arranged at the bottom of the water outlet box. The front side of the water inlet box is fixedly connected to a water inlet pipe. The front side of the water outlet box is fixedly connected to a water outlet pipe. The rear sides of the water inlet box and the water outlet box are provided with multiple groups of condensing elements.

[0008] Each group of condensing parts includes a condensing tube with a wavy cross-section. The condensing tube is arranged at the rear side of the water inlet tank and the water outlet tank. The front side of the bottom end of the condensing tube is fixedly connected to the water inlet tank, and the front side of the top end of the condensing tube is fixedly connected to the water outlet tank.

[0009] In a preferred embodiment, two groups of fixing structures for fixing multiple groups of condensing parts are provided on the rear side of the water inlet tank and the water outlet tank; each group of fixing structures includes a top plate and a bottom plate, and the top plate and the bottom plate are respectively arranged on the top and bottom of the multiple groups of condensing parts, and a plurality of spaced fixing parts are installed between the top plate and the bottom plate, and each fixing part is sleeved on the outside of two adjacent condensing tubes. The condensing tubes can be supported and fixed by the fixing parts between the top plate and the bottom plate to ensure the stability of the condensing tubes and prevent the condensing tubes from collapsing and tilting.

[0010] In a preferred embodiment, two spaced-apart support members are installed between two corresponding front and rear top plates located on top of the multiple groups of condensing parts, and a plurality of spaced-apart lifting rings are installed on the top of the support members. The plurality of lifting rings on the support members can facilitate the operation of lifting equipment by the staff to lift and transport the utility model.

[0011] In a preferred embodiment, a connecting piece is installed between the water inlet tank and the water outlet tank, and the front side of the connecting piece is fixedly connected with two spaced-apart mounting pipes. The mounting pipes on the connecting piece can facilitate the installation and fixation of the sealing plate, thereby making it convenient for the staff to store and fix the sealing plate, the card column and the sealing column.

[0012] In a preferred embodiment, a sealing plate is provided on the front side of each mounting tube, a deformable clamping column is installed on the rear side of the sealing plate, a sealing column is provided on the outside of the clamping column and is installed on the rear side of the sealing plate, and the rear end of the clamping column extends to the interior of the mounting tube. Through the deformable clamping column, the staff can operate the sealing plate to embed the clamping column into the water inlet pipe and the water outlet pipe, so that the sealing plate can seal the water inlet pipe or the water outlet pipe, preventing external impurities from entering the interior of the condenser pipe through the water inlet pipe and causing pollution, thereby ensuring the performance of the utility model and improving the convenience of the staff in transporting the utility model.

[0013] In a preferred embodiment, the diameter of the sealing plate is larger than the diameter of the mounting tube. By setting the diameter of the sealing plate to be larger than the diameter of the mounting tube, the sealing plate can seal and close the mounting tube in all directions.

[0014] The technical effects and advantages of this utility model are:

[0015] 1. Through the connection between multiple groups of condensing tubes in the condensing unit and the water inlet and outlet tanks, the cooling water can be circulated back and forth inside the condensing tubes, thereby cooling and absorbing heat from the condensing tubes in contact with the high-temperature flue gas. In addition, the multiple condensing tubes with wavy cross-sections can increase the contact surface with the flue gas and the circulation efficiency of the cooling water, thereby effectively improving the cooling efficiency of the flue gas.

[0016] 2. Through the deformable clamping column, the staff can operate the sealing plate to embed the clamping column into the water inlet pipe and the water outlet pipe, so that the sealing plate can seal the water inlet pipe or the water outlet pipe, preventing external impurities from entering the condenser tube through the water inlet pipe and causing pollution, thereby ensuring the performance of the utility model and improving the convenience of the staff in transporting the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a rear view of the condenser tube of the present invention;

[0019] Figure 3 This is the front view of the water inlet pipe of the utility model;

[0020] Figure 4 This is the main view of the installation pipe of the utility model;

[0021] Figure 5 This is a side sectional view of the installation pipe of the present utility model.

[0022] The accompanying drawings are marked as follows: 1. Water inlet tank; 2. Water outlet tank; 3. Water inlet pipe; 4. Water outlet pipe; 5. Condenser; 6. Top plate; 7. Bottom plate; 8. Fixing part; 9. Support part; 10. Lifting ring; 11. Connecting part; 12. Mounting pipe; 13. Closing plate; 14. Clamping column; 15. Closing column. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Refer to the instruction manual Figure 1-5 , the utility model provides a boiler flue gas cooler, comprising a cooling assembly for cooling the flue gas in the boiler;

[0025] like Figure 1-4As shown, the cooling assembly includes an inlet tank 1 and an outlet tank 2 distributed upper and lower, the inlet tank 1 is arranged at the bottom of the outlet tank 2, the front side of the inlet tank 1 is fixedly connected with an inlet pipe 3, the front side of the outlet tank 2 is fixedly connected with an outlet pipe 4, and the rear sides of the inlet tank 1 and the outlet tank 2 are provided with multiple groups of condensation components; each group of condensation components includes a condensation tube 5 with a wavy cross-section, the condensation tube 5 is arranged at the rear sides of the inlet tank 1 and the outlet tank 2, the front side of the bottom end of the condensation tube 5 is fixedly connected with the inlet tank 1, and the front side of the top end of the condensation tube 5 is fixedly connected with the outlet tank 2.

[0026] like Figure 1 and 2 As shown, two groups of fixing structures for fixing multiple groups of condensing parts are provided on the rear side of the water inlet tank 1 and the water outlet tank 2; each group of fixing structures includes a top plate 6 and a bottom plate 7, and the top plate 6 and the bottom plate 7 are respectively arranged on the top and bottom of the multiple groups of condensing parts, and a plurality of spaced fixing parts 8 are installed between the top plate 6 and the bottom plate 7, and each fixing part 8 is sleeved on the outside of two adjacent condensing tubes 5. The condensing tubes 5 can be supported and fixed by the fixing parts 8 between the top plate 6 and the bottom plate 7 to ensure the stability of the condensing tubes 5 and prevent the condensing tubes 5 from collapsing and tilting.

[0027] like Figure 1 and 2 As shown, two spaced-apart support members 9 are installed between two corresponding front and rear top plates 6 located at the top of the multiple groups of condensing parts, and a plurality of spaced-apart lifting rings 10 are installed on the top of the support members 9. The plurality of lifting rings 10 on the support members 9 can facilitate the staff to operate the lifting equipment to lift and transport the utility model.

[0028] like Figure 1 、 3As shown in Figures 4 and 5, a connector 11 is installed between the water inlet box 1 and the water outlet box 2. The front side of the connector 11 is fixedly connected with two spaced installation pipes 12. The installation pipes 12 on the connector 11 can facilitate the installation and fixation of the sealing plate 13, so that the staff can store and fix the sealing plate 13, the clamping column 14 and the sealing column 15. A sealing plate 13 is provided on the front side of each installation tube 12, and a deformable clamping column 14 is installed on the rear side of the sealing plate 13. A sealing column 15 installed on the rear side of the sealing plate 13 is provided on the outside of the clamping column 14, and the rear end of the clamping column 14 extends to the installation tube 12. Inside, through the deformable clamping column 14, the staff can operate the sealing plate 13 to embed the clamping column 14 into the water inlet pipe 3 and the water outlet pipe 4, so that the sealing plate 13 can seal the water inlet pipe 3 or the water outlet pipe 4, and prevent external impurities from entering the condenser pipe 5 through the water inlet pipe 3 and causing pollution, thereby ensuring the performance of the utility model and improving the convenience of transporting the utility model by the staff. The diameter of the sealing plate 13 is larger than the diameter of the installation pipe 12. By setting the diameter of the sealing plate 13 to be larger than the diameter of the installation pipe 12, the sealing plate 13 can seal and close the installation pipe 12 in all directions.

[0029] By connecting multiple groups of condensing tubes 5 in the condensing elements with the water inlet tank 1 and the water outlet tank 2, the cooling water can be circulated back and forth inside the condensing tubes 5, thereby cooling the condensing tubes 5 in contact with the high-temperature flue gas and absorbing heat, thereby achieving the purpose of cooling the flue gas. In addition, multiple condensing tubes 5 with wavy cross-sections can increase the contact area with the flue gas and the circulation efficiency of the cooling water, thereby effectively improving the cooling efficiency of the flue gas.

[0030] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A boiler flue gas cooler, characterized in that: It includes a cooling assembly for cooling the flue gas in the boiler; The cooling assembly comprises an inlet tank (1) and an outlet tank (2) distributed vertically, the inlet tank (1) being arranged at the bottom of the outlet tank (2), the front side of the inlet tank (1) being fixedly connected to a water inlet pipe (3), the front side of the outlet tank (2) being fixedly connected to a water outlet pipe (4), and the rear sides of the inlet tank (1) and the outlet tank (2) being provided with a plurality of condensing elements; Each group of condensing parts comprises a condensing tube (5) with a wave-shaped cross section, the condensing tube (5) being arranged at the rear side of the water inlet tank (1) and the water outlet tank (2), the front side of the bottom end of the condensing tube (5) being fixedly connected to the water inlet tank (1), and the front side of the top end of the condensing tube (5) being fixedly connected to the water outlet tank (2).

2. The boiler flue gas cooler according to claim 1, characterized in that: Two sets of fixing structures for fixing multiple sets of condensing elements are provided on the rear sides of the water inlet tank (1) and the water outlet tank (2); Each set of fixing structures comprises a top plate (6) and a bottom plate (7), wherein the top plate (6) and the bottom plate (7) are respectively arranged at the top and bottom of the multiple sets of condensing elements, and a plurality of spaced fixing elements (8) are installed between the top plate (6) and the bottom plate (7), and each fixing element (8) is sleeved on the outside of two adjacent condensing tubes (5).

3. The boiler flue gas cooler according to claim 2, characterized in that: Two spaced support members (9) are installed between two corresponding top plates (6) located on top of the multiple groups of condensing elements, and a plurality of spaced hanging rings (10) are installed on the top of the support members (9).

4. The boiler flue gas cooler according to claim 1, characterized in that: A connecting piece (11) is installed between the water inlet box (1) and the water outlet box (2), and the front side of the connecting piece (11) is fixedly connected to two spaced-apart installation pipes (12).

5. The boiler flue gas cooler according to claim 4, characterized in that: A sealing plate (13) is provided on the front side of each mounting tube (12), a deformable clamping column (14) is installed on the rear side of the sealing plate (13), a sealing column (15) installed on the rear side of the sealing plate (13) is provided outside the clamping column (14), and the rear end of the clamping column (14) extends into the interior of the mounting tube (12).

6. The boiler flue gas cooler according to claim 5, characterized in that: The diameter of the sealing plate (13) is larger than the diameter of the mounting tube (12).

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