Pipeline wastewater waste heat recovery heat exchanger

Abstract

This utility model provides a pipeline-type wastewater waste heat recovery heat exchanger, including a shell, a recovery pipe inserted inside the shell, a sealing cover detachably connected to the top of the shell, a mounting shell fixedly connected to the top of the sealing cover, a stirring rod rotatably connected to the top wall of the inner cavity of the mounting shell, the stirring rod penetrating into the inner cavity of the shell, a drive assembly for driving the stirring rod to rotate fixedly connected to the top of the sealing cover, the stirring rod being hollow, and a drain pipe being provided near the top of the side wall of the shell. This design not only integrates the drive assembly and the stirring rod together, but also allows the stirring rod to directly participate in the wastewater circulation process through its hollow design, reducing the use of other transmission structures, avoiding structural complexity caused by using multiple structures, and improving the speed of equipment maintenance due to the fewer structures.

Description

Technical Field

[0001] This utility model relates to the field of wastewater waste heat recovery heat exchange devices, and in particular to a pipeline wastewater waste heat recovery heat exchanger. Background Technology

[0002] A pipeline-type wastewater waste heat recovery heat exchanger is a heat exchange device used to recover waste heat from industrial or domestic wastewater. Its core feature is that it achieves indirect heat transfer between wastewater and cold medium through a pipeline structure, thereby improving energy utilization efficiency.

[0003] A waste heat recovery device for heat exchanger wastewater is disclosed in patent publication number CN220602263U, including a recovery box. The recovery box is equipped with a water supply pipe, a drain pipe and a heat exchange pipe. A rotating fan blade is rotatably installed inside the heat exchange pipe. A reciprocating screw is rotatably installed inside the recovery box. The reciprocating screw is connected to the rotating fan blade through a rotating mechanism. A screw sleeve is threadedly fitted on the outer wall of the reciprocating screw through a limiting mechanism. A lifting frame is provided inside the recovery box. The lifting frame is connected to the screw sleeve through a fixing mechanism. This invention achieves the stirring operation of low-temperature liquid in the recovery tank by setting up components such as a reciprocating screw, screw sleeve, connecting plate and lifting frame, ensuring the uniformity of the overall temperature. Although the reciprocating screw in this device does not need to be equipped with a separate power unit by setting up rotating fan blades, drive gear and transmission gear, the drive wheel and transmission gear are located outside the recovery tank and lack protection devices. The drive wheel and transmission gear may lose meshing if they are impacted. In addition, the reciprocating screw is located inside the recovery tank, and since the recovery tank stores a large amount of wastewater, it may corrode the reciprocating screw, thereby reducing the service life of the reciprocating screw.

[0004] Therefore, it is necessary to provide a new type of pipeline wastewater waste heat recovery heat exchanger to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a pipeline-type wastewater waste heat recovery heat exchanger.

[0006] The pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model includes: an outer shell, a recovery pipe inserted inside the outer shell, a sealing cover detachably connected to the top of the outer shell, an installation shell fixedly connected to the top of the sealing cover, a stirring rod rotatably connected to the top wall of the inner cavity of the installation shell, the stirring rod being inserted into the inner cavity of the outer shell, a driving assembly for driving the stirring rod to rotate fixedly connected to the top of the sealing cover, the stirring rod being hollow, and a drain pipe being provided near the top of the side wall of the outer shell.

[0007] Preferably, the drive assembly includes a water supply pipe that penetrates the side wall of the mounting housing, and a water supply pump is provided at the end of the water supply pipe away from the side wall of the mounting housing. A rotary pipe is inserted on the side of the mounting housing away from the water supply pump, and the other end of the rotary pipe is fixedly connected to the top wall of the mounting housing.

[0008] Preferably, the recovery pipe includes a heat exchange pipe disposed in the inner cavity of the outer shell, one end of the heat exchange pipe is fixedly connected to a water inlet pipe, the water inlet pipe penetrates the side wall of the outer shell, and the other end of the heat exchange pipe away from the water inlet pipe is fixedly connected to a water outlet pipe, the water outlet pipe penetrates the side wall of the outer shell.

[0009] Preferably, the heat exchange tube is spiral-shaped, and the stirring rod is inserted into the inside of the heat exchange tube.

[0010] Preferably, a plurality of stirring blades are fixedly connected to the outer wall of the stirring rod, and the plurality of stirring blades are fixedly connected to the outer wall of the stirring rod along a spiral curve array.

[0011] Preferably, the rotary tube extends from the side wall of the mounting housing and bends into a ring shape to one side of the mounting housing.

[0012] Preferably, the water inlet pipe is detachably connected to the side wall of the outer casing near the bottom end, and a water stop valve is provided inside the water inlet pipe.

[0013] Preferably, the water outlet pipe is detachably connected to the side wall of the outer casing near the top, and a water stop valve is provided inside the water outlet pipe.

[0014] Compared with related technologies, the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model has the following beneficial effects: 1. This utility model provides a pipeline-type wastewater waste heat recovery heat exchanger. In specific implementation, the drive component and the stirring rod are integrated together, and the stirring rod directly participates in the wastewater circulation process through the hollow setting, reducing the use of other transmission structures, avoiding the structural complexity caused by using multiple structures, and improving the speed of equipment maintenance by reducing the number of structures.

[0015] 2. The stirring rod is not only responsible for stirring the wastewater to ensure a more uniform heat distribution, but also participates in the heat exchange process as part of the water supply path, enriching the function of the stirring rod. Multiple stirring blades arranged along the spiral curve further enhance the stirring effect, allowing the wastewater to come into more full contact with the heat exchange tube and improving the heat recovery efficiency. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure of the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model. Figure 2 A schematic diagram of the internal structure of the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model; Figure 3 A schematic diagram of the overall structure of the stirring rod of the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model.

[0017] The following are the labels in the diagram: 1. Outer shell; 2. Recovery pipe; 21. Heat exchange pipe; 22. Inlet pipe; 23. Outlet pipe; 3. Sealing cap; 4. Mounting shell; 5. Stirring rod; 51. Baffle; 52. Stirring blades; 6. Drive assembly; 61. Water supply pipe; 62. Water supply pump; 63. Rotary pipe; 7. Drain pipe; 8. Stop valve. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Please refer to the following: Figure 1 — Figure 3 ,in, Figure 1 A schematic diagram of the overall structure of the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model. Figure 2 A schematic diagram of the internal structure of the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model; Figure 3 A schematic diagram of the overall structure of the stirring rod of the pipeline-type wastewater waste heat recovery heat exchanger provided by this utility model.

[0020] In practical implementation, a pipeline-type wastewater waste heat recovery heat exchanger has the following structure: Figure 1 — Figure 3 As shown, it includes: an outer shell 1, a recycling pipe 2 inserted inside the outer shell 1, a sealing cap 3 threadedly connected to the top of the outer shell 1, an integrally connected mounting shell 4 to the top of the sealing cap 3, a stirring rod 5 rotatably connected to the top wall of the inner cavity of the mounting shell 4, the stirring rod 5 being inserted into the inner cavity of the outer shell 1, a driving assembly 6 for driving the stirring rod 5 to rotate integrally connected to the top of the sealing cap 3, the stirring rod 5 being hollow, and a drain pipe 7 being provided on the side wall of the outer shell 1 near the top. The drive assembly 6 includes a water supply pipe 61, which penetrates the side wall of the mounting housing 4. A water supply pump 62 is provided at one end of the water supply pipe 61 away from the side wall of the mounting housing 4. A rotary pipe 63 is inserted on the side of the mounting housing 4 away from the water supply pump 62. The other end of the rotary pipe 63 is fixedly connected to the top wall of the mounting housing 4. It should be noted that the stirring rod 5 is driven to rotate by the driving component 6, thereby stirring the wastewater in the inner cavity of the outer shell 1. The stirring rod 5 is hollow. The wastewater is pumped to the water supply pipe 61 by the water pump, and then transported to the top of the mounting shell 4 through the rotary pipe 63. It then flows into the inner cavity of the stirring rod 5 and is transported to the inner cavity of the outer shell 1 through the stirring rod 5 to achieve the purpose of water supply. At the same time, multiple baffles 51 are inserted near the top of the side wall of the stirring rod 5. The multiple baffles 51 are all located inside the mounting shell 4. Multiple... Multiple stirring blades 52 are fixedly connected to the outer wall of the stirring rod 5 along a spiral curve array. The multiple stirring blades 52 are located in the inner cavity of the outer shell 1. Under the action of the water supply pump 62, the wastewater applies pressure to the baffle 51, thereby pushing the baffle 51 to rotate around the stirring rod 5 as the central axis. The multiple baffles 51 drive the stirring rod 5 to rotate, so that the stirring rod 5 stirs the wastewater in the inner cavity of the outer shell 1 through the multiple stirring blades 52, thereby making the wastewater heat evenly and avoiding local overheating that would affect the heating efficiency of the recovery pipe 2.

[0021] The recovery pipe 2 includes a heat exchange pipe 21, which is disposed in the inner cavity of the outer shell 1. One end of the heat exchange pipe 21 is integrally connected to a water inlet pipe 22, which penetrates the side wall of the outer shell 1. The other end of the heat exchange pipe 21 away from the water inlet pipe 22 is integrally connected to a water outlet pipe 23, which penetrates the side wall of the outer shell 1. The heat exchange tube 21 is spiral-shaped, and the stirring rod 5 is inserted into the inside of the heat exchange tube 21. It should be noted that the rotary pipe 63 extends from the side wall of the mounting shell 4 and bends into a ring shape on one side of the mounting shell 4. The inlet pipe 22 is bolted to the side wall of the outer shell 1 near the bottom end, and a stop valve 8 is provided inside the inlet pipe 22. The outlet pipe 23 is bolted to the side wall of the outer shell 1 near the top end, and a stop valve 8 is provided inside the outlet pipe 23. The solution that needs to absorb heat enters the rotary pipe 63 through the inlet pipe 22 located at the bottom end, thereby prolonging the time that the solution stays in the rotary pipe 63, so that the solution can fully absorb the heat of the wastewater.

[0022] The circuits and controls involved in this utility model are all existing technologies and will not be described in detail here.

[0023] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A pipe-type waste heat recovery heat exchanger characterized by, Includes an outer shell (1), a recycling pipe (2) is inserted inside the outer shell (1), a sealing cap (3) is detachably connected to the top of the outer shell (1), an installation shell (4) is fixedly connected to the top of the sealing cap (3), a stirring rod (5) is rotatably connected to the top wall of the inner cavity of the installation shell (4), the stirring rod (5) is inserted into the inner cavity of the outer shell (1), a driving assembly (6) for driving the stirring rod (5) to rotate is fixedly connected to the top of the sealing cap (3), the stirring rod (5) is hollow, and a drain pipe (7) is opened on the side wall of the outer shell (1) near the top.

2. The pipe wastewater heat recovery exchanger according to claim 1, characterized in that, The drive assembly (6) includes a water supply pipe (61) that penetrates the side wall of the mounting housing (4) and a water supply pump (62) is provided at one end of the water supply pipe (61) away from the side wall of the mounting housing (4). A rotary pipe (63) is inserted on the side of the mounting housing (4) away from the water supply pump (62) and the other end of the rotary pipe (63) is fixedly connected to the top wall of the mounting housing (4).

3. The pipe wastewater heat recovery exchanger according to claim 2, characterized in that, The recovery pipe (2) includes a heat exchange pipe (21), which is located inside the outer shell (1). One end of the heat exchange pipe (21) is fixedly connected to a water inlet pipe (22), which penetrates the side wall of the outer shell (1). The other end of the heat exchange pipe (21) away from the water inlet pipe (22) is fixedly connected to a water outlet pipe (23), which penetrates the side wall of the outer shell (1).

4. The pipe wastewater heat recovery exchanger according to claim 3, characterized in that, The heat exchange tube (21) is spiral-shaped, and the stirring rod (5) is inserted into the inside of the heat exchange tube (21).

5. The pipe wastewater heat recovery exchanger according to claim 4, characterized in that, Multiple stirring blades (52) are fixedly connected to the outer wall of the stirring rod (5), and the multiple stirring blades (52) are fixedly connected to the outer wall of the stirring rod (5) along a spiral curve array.

6. The pipe wastewater heat recovery exchanger according to claim 5, wherein The rotary tube (63) extends from the side wall of the mounting shell (4) and bends into a ring shape on one side of the mounting shell (4).

7. The pipe wastewater heat recovery exchanger according to claim 6, characterized in that, The water inlet pipe (22) is detachably connected to the side wall of the outer casing (1) near the bottom end, and a water stop valve (8) is provided inside the water inlet pipe (22).

8. The pipe wastewater heat recovery exchanger according to claim 7, characterized in that, The water outlet pipe (23) is detachably connected to the top of the side wall of the outer casing (1), and a water stop valve (8) is provided inside the water outlet pipe (23).

Images