Efficient heat recovery heat exchanger
By designing efficient heat recovery heat exchangers for supporting frames, heat exchange pipes, filters and inlet and outlet liquid components, the problem of insufficient fluid circuit design in the prior art is solved, more efficient heat recovery and energy utilization is achieved, and the stability and maintenance convenience of the system are improved.
Patent Information
- Application Number
- CN202422366796.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing heat exchangers are not countercurrent in the fluid circuit design, resulting in low heat recovery efficiency.
An efficient heat recovery heat exchanger is designed, including a support frame, multiple heat exchange tubes, filter mesh and liquid inlet assembly, and liquid outlet assembly. Through a uniformly distributed heat exchange layer and reversing tube structure, the effective heat transfer of fluid between different temperature areas is ensured, and the uniform distribution and discharge of the medium is achieved through the design of the liquid inlet assembly and liquid outlet assembly.
It improves energy utilization efficiency, reduces energy waste, improves environmental quality, and ensures the stability and ease of maintenance of the system.
Smart Images
Figure CN223138420U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchangers, in particular to a high-efficiency heat recovery heat exchanger. Background Art
[0002] A heat recovery heat exchanger is an energy-saving device that transfers heat between fluids at different temperatures, recovers the waste heat generated in the production process, and converts it into useful heat energy, thereby improving energy utilization efficiency, reducing energy consumption, and at the same time reducing environmental pollution. The heat recovery heat exchanger is based on the theories of heat conduction and heat convection in thermodynamics, and enables fluids at different temperatures (such as gases, liquids, etc.) to exchange heat with the air in the surface fin area inside it. When the fluid passes through the heat exchange device and the air on the windward side of the fins, it transfers the heat energy it carries to the air, thereby realizing the increase or decrease of the air temperature.
[0003] In the existing heat exchangers, the countercurrent design of the loop is not sufficient and the distribution is uneven, resulting in low heat recovery efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a high-efficiency heat recovery heat exchanger, aiming to better recover heat and improve the utilization rate of energy.
[0005] To achieve the above purpose, the utility model provides a high-efficiency heat recovery heat exchanger, which includes a heat exchange component, a liquid inlet component, and a liquid outlet component;
[0006] The heat exchange component includes a support frame, a plurality of heat exchange tubes, and a filter screen. The support frame has a cold air end and a hot air end, and a plurality of heat exchange layers are distributed between the cold air end and the hot air end. A plurality of the heat exchange tubes are fixed between the cold air end and the hot air end of the support frame, and each heat exchange layer has a part of the heat exchange tube;
[0007] The liquid inlet component is communicated with the liquid inlet ends of the plurality of heat exchange tubes, and the liquid outlet component is communicated with the liquid outlet ends of the plurality of heat exchange tubes.
[0008] Among them, the liquid inlet component is arranged at the hot air end of the support frame, and the liquid outlet component is arranged at the cold air end of the support frame.
[0009] Among them, the heat exchange component further includes an exhaust pipe and a liquid discharge pipe. The liquid discharge pipe is communicated with the plurality of heat exchange tubes and is located at the bottom of the support frame. The exhaust pipe is communicated with the plurality of heat exchange tubes and is located at the top of the heat exchange tubes.
[0010] Among them, the ends of the exhaust pipe and the liquid discharge pipe are detachably connected with plugs. Opening the plugs enables the gas in the heat exchange tubes to be discharged from the exhaust pipe, and the liquid in the heat exchange tubes to be discharged from the liquid discharge pipe.
[0011] Among them, the heat exchange component further includes a reinforcing rib plate, which is fixedly connected to the support frame and is located on one side of the support frame.
[0012] Among them, the liquid inlet component includes a liquid inlet pipe, a plurality of first branch pipes, and a first connector. The plurality of first branch pipes are respectively communicated with the plurality of heat exchange pipes. The liquid inlet pipe is communicated with the plurality of first branch pipes. The first connector is detachably connected to the liquid inlet pipe.
[0013] Among them, the liquid outlet component includes a liquid outlet pipe, a plurality of second branch pipes, and a second connector. The plurality of second branch pipes are respectively communicated with the plurality of heat exchange pipes. The liquid outlet pipe is communicated with the plurality of second branch pipes. The second connector is detachably connected to the liquid outlet pipe.
[0014] Among them, the heat exchange pipe includes a plurality of connecting pipe units, and each two connecting pipe units are connected by a reversing pipe, so that the coolant changes the flow direction relative to the support frame when passing through the reversing pipe.
[0015] An efficient heat recovery heat exchanger of the present utility model is designed in structure to improve energy utilization efficiency, reduce energy waste, and improve environmental quality. The heat exchange component is the core component of the whole device and is responsible for realizing the effective transfer of heat. Specifically, the heat exchange component includes: The support frame is the frame structure of the whole heat exchange component, ensuring that all components are assembled stably and reliably. The support frame has two ends, one end is the cold air end and the other end is the hot air end. A plurality of heat exchange pipes are evenly distributed in the support frame, connecting the cold air end and the hot air end. The filter screen is installed around the heat exchange pipes or at specific positions to filter impurities in the flowing air and protect the heat exchange pipes from pollution. The liquid inlet component is communicated with the liquid inlet ends of the plurality of heat exchange pipes and is responsible for introducing a cooling or heating medium (such as water or other liquids) into the heat exchange pipes. The liquid outlet component is communicated with the liquid outlet ends of the plurality of heat exchange pipes and is responsible for discharging the liquid after heat exchange. Inside the support frame, between the cold air end and the hot air end, there are multiple heat exchange layers distributed. Each heat exchange layer contains a part of the heat exchange pipes. Such a design can ensure the effective transfer of heat between different temperature regions. The designs of the liquid inlet component and the liquid outlet component ensure that the liquid can be evenly distributed to each heat exchange pipe and can be smoothly discharged after heat exchange, thus ensuring the efficient operation of the whole system. When the air containing heat (hot air) enters the support frame through the hot air end, it will exchange heat with the cooling or heating medium in the heat exchange pipes. In this process, the heat is transferred to the medium, and the air is cooled or heated and then discharged from the cold air end. At the same time, the liquid inlet component continuously supplies new medium to the heat exchange pipes, and the liquid outlet component collects the medium that has completed heat exchange and exports it from the system. Description of the Drawings
[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 It is a structural diagram of an efficient heat recovery heat exchanger according to the first embodiment of the present invention.
[0018] Figure 2 It is a right-side structural diagram of an efficient heat recovery heat exchanger according to the first embodiment of the present invention.
[0019] Figure 3 It is a left-side structural diagram of an efficient heat recovery heat exchanger according to the first embodiment of the present invention.
[0020] Figure 4 It is a liquid flow direction diagram according to the first embodiment of the present invention.
[0021] Heat exchange component 101, liquid inlet component 102, liquid outlet component 103, support frame 104, heat exchange tube 105, filter screen 106, cold air end 107, hot air end 108, heat exchange layer 109, exhaust pipe 110, liquid discharge pipe 111, plug 112, reinforcing rib plate 113, liquid inlet pipe 114, first branch pipe 115, first connector 116, liquid outlet pipe 117, second branch pipe 118, second connector 119, connecting pipe unit 120, reversing pipe 121. Specific embodiments
[0022] The following will describe in detail the embodiments of the present invention. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.
[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, in the description of the present invention, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.
[0024] First Embodiment
[0025] Please refer to Figures 1 to 4 , the utility model provides an efficient heat recovery heat exchanger, which includes a heat exchange component 101, a liquid inlet component 102, and a liquid outlet component 103; the heat exchange component 101 includes a support frame 104, a plurality of heat exchange tubes 105, and a filter screen 106. The support frame 104 has a cold air end 107 and a hot air end 108. Between the cold air end 107 and the hot air end 108, there are a plurality of heat exchange layers 109. A plurality of the heat exchange tubes 105 are fixed between the cold air end 107 and the hot air end 108 of the support frame 104, and each heat exchange layer 109 has a part of the heat exchange tube 105; the liquid inlet component 102 is communicated with the liquid inlet ends of the plurality of heat exchange tubes 105, and the liquid outlet component 103 is communicated with the liquid outlet ends of the plurality of heat exchange tubes 105.
[0026] The utility model relates to an efficient heat recovery heat exchanger, and its structural design aims to improve the energy utilization efficiency, reduce energy waste, and improve the environmental quality. The heat exchange component 101 is the core component of the whole device and is responsible for realizing the effective transfer of heat. Specifically, the heat exchange component 101 includes: the support frame 104 serves as the frame structure of the whole heat exchange component 101 to ensure that all components are stably and reliably assembled together. The support frame 104 has two ends, one end is the cold air end 107, and the other end is the hot air end 108. A plurality of heat exchange tubes 105 are evenly distributed in the support frame 104, connecting the cold air end 107 and the hot air end 108. The filter screen 106 is installed around the heat exchange tubes 105 or at a specific position to filter impurities in the flowing air and protect the heat exchange tubes 105 from pollution. The liquid inlet component 102 is connected to the liquid inlet ends of the plurality of heat exchange tubes 105 and is responsible for introducing a cooling or heating medium (such as water or other liquids) into the heat exchange tubes 105. The liquid outlet component 103 is connected to the liquid outlet ends of the plurality of heat exchange tubes 105 and is responsible for discharging the liquid after heat exchange. Inside the support frame 104, between the cold air end 107 and the hot air end 108, there are multiple heat exchange layers 109 distributed. Each heat exchange layer 109 contains a part of the heat exchange tube 105. Such a design can ensure the effective transfer of heat between different temperature regions. The designs of the liquid inlet component 102 and the liquid outlet component 103 ensure that the liquid can be evenly distributed into each heat exchange tube 105 and can be smoothly discharged after heat exchange, thus ensuring the efficient operation of the whole system. When the air containing heat (hot air) enters the support frame 104 through the hot air end 108, it will exchange heat with the cooling or heating medium in the heat exchange tubes 105. In this process, the heat is transferred to the medium, and the air is cooled or heated and then discharged from the cold air end 107. At the same time, the liquid inlet component 102 continuously supplies new medium to the heat exchange tubes 105, and the liquid outlet component 103 collects the medium that has completed heat exchange and exports it from the system.
[0027] The liquid inlet assembly 102 is arranged at the hot air end 108 of the support frame 104, and the liquid outlet assembly 103 is arranged at the cold air end 107 of the support frame 104. The liquid inlet assembly 102 is arranged at the hot air end 108 of the support frame 104 and is responsible for introducing the cooling or heating medium into the heat exchange tubes 105. The liquid outlet assembly 103 is arranged at the cold air end 107 of the support frame 104 and is responsible for discharging the medium after heat exchange. At the same time, it can make the heat in the cooling medium dissipate better.
[0028] The heat exchange assembly 101 further includes an exhaust pipe 110 and a drain pipe 111. The drain pipe 111 is communicated with a plurality of the heat exchange tubes 105 and is located at the bottom of the support frame 104. The exhaust pipe 110 is communicated with a plurality of the heat exchange tubes 105 and is located at the top of the heat exchange tubes 105.
[0029] The heat exchange assembly 101 further includes an exhaust pipe 110 and a drain pipe 111. The design of these two pipes can ensure the pressure balance inside the heat exchange tubes 105 and the convenience of maintenance work.
[0030] The drain pipe 111 is communicated with a plurality of heat exchange tubes 105 and is located at the bottom of the support frame 104 for discharging the liquid in the pipe.
[0031] The exhaust pipe 110 is communicated with a plurality of heat exchange tubes 105 and is located at the top of the heat exchange tubes 105 for discharging the gas in the pipe.
[0032] The ends of the exhaust pipe 110 and the drain pipe 111 are detachably connected with plugs 112. Opening the plugs 112 enables the gas in the heat exchange tubes 105 to be discharged from the exhaust pipe 110, and the liquid in the heat exchange tubes 105 to be discharged from the drain pipe 111.
[0033] By providing the plugs 112, the gas in the heat exchange tubes 105 can be conveniently discharged, and at the same time, it is also convenient to replace the coolant from the drain pipe 111.
[0034] The heat exchange assembly 101 further includes reinforcing rib plates 113. The reinforcing rib plates 113 are fixedly connected to the support frame 104 and are located on one side of the support frame 104.
[0035] The reinforcing rib plates 113 are fixedly connected to the support frame 104 and are located on one side of the support frame 104 for enhancing the stability of the whole structure.
[0036] The liquid inlet assembly 102 includes a liquid inlet pipe 114, a plurality of first branch pipes 115, and a first connector 116. The plurality of first branch pipes 115 are respectively communicated with a plurality of heat exchange pipes 105. The liquid inlet pipe 114 is communicated with the plurality of first branch pipes 115. The first connector 116 is detachably connected to the liquid inlet pipe 114.
[0037] The plurality of first branch pipes 115 are respectively communicated with a plurality of heat exchange pipes 105, ensuring that the medium can be evenly distributed into each heat exchange pipe 105.
[0038] The liquid inlet pipe 114 is communicated with the plurality of first branch pipes 115, responsible for introducing the medium from the outside into each of the first branch pipes 115.
[0039] The first connector 116 is detachably connected to the liquid inlet pipe 114, facilitating replacement or maintenance.
[0040] The liquid outlet assembly 103 includes a liquid outlet pipe 117, a plurality of second branch pipes 118, and a second connector 119. The plurality of second branch pipes 118 are respectively communicated with a plurality of heat exchange pipes 105. The liquid outlet pipe 117 is communicated with the plurality of second branch pipes 118. The second connector 119 is detachably connected to the liquid outlet pipe 117.
[0041] The plurality of second branch pipes 118 are respectively communicated with a plurality of heat exchange pipes 105, responsible for collecting the medium after heat exchange.
[0042] The liquid outlet pipe 117 is communicated with the plurality of second branch pipes 118, responsible for discharging the medium from the system.
[0043] The second connector 119 is detachably connected to the liquid outlet pipe 117, facilitating the maintenance and cleaning of the system.
[0044] The heat exchange pipe 105 includes a plurality of connecting pipe units 120. Each two connecting pipe units 120 are connected by a reversing pipe 121, so that the coolant changes the flow direction relative to the support frame 104 when passing through the reversing pipe 121.
[0045] The heat exchange pipe 105 is composed of a plurality of connecting pipe units 120. Each two connecting pipe units 120 are connected by a reversing pipe 121.
[0046] Such a design enables the coolant to change the flow direction relative to the support frame 104 when passing through the reversing pipe 121, increasing the contact time between the medium and air, thereby improving the heat exchange efficiency.
[0047] Through the above design, the high-efficiency heat recovery heat exchanger can effectively recover and utilize heat, while ensuring the stability and easy maintainability of the system.
[0048] The above-disclosed is only a preferred embodiment of the present utility model. Of course, it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present utility model still fall within the scope covered by the utility model.
Claims
1. An efficient heat recovery heat exchanger, characterized in that it includes a heat exchange component, a liquid inlet component, and a liquid outlet component; the heat exchange component includes a support frame, a plurality of heat exchange tubes, and a filter screen. The support frame has a cold air end and a hot air end, and a plurality of heat exchange layers are distributed between the cold air end and the hot air end. A part of the heat exchange tubes is fixed between the cold air end and the hot air end of the support frame, and each heat exchange layer has a part of the heat exchange tubes; the liquid inlet component is communicated with the liquid inlet ends of the plurality of heat exchange tubes, and the liquid outlet component is communicated with the liquid outlet ends of the plurality of heat exchange tubes.
2. The efficient heat recovery heat exchanger according to claim 1, characterized in that the liquid inlet component is arranged at the hot air end of the support frame, and the liquid outlet component is arranged at the cold air end of the support frame.
3. The efficient heat recovery heat exchanger according to claim 2, characterized in that the heat exchange component further includes an exhaust pipe and a liquid discharge pipe. The liquid discharge pipe is communicated with the plurality of heat exchange tubes and is located at the bottom of the support frame. The exhaust pipe is communicated with the plurality of heat exchange tubes and is located at the top of the heat exchange tubes.
4. The efficient heat recovery heat exchanger according to claim 3, characterized in that the ends of the exhaust pipe and the liquid discharge pipe are detachably connected with plugs. Opening the plugs enables the gas in the heat exchange tubes to be discharged from the exhaust pipe, and the liquid in the heat exchange tubes to be discharged from the liquid discharge pipe.
5. The efficient heat recovery heat exchanger according to claim 4, characterized in that the heat exchange component further includes a reinforcing rib plate, and the reinforcing rib plate is fixedly connected with the support frame and is located on one side of the support frame.
6. The efficient heat recovery heat exchanger according to claim 5, characterized in that the liquid inlet component includes a liquid inlet pipe, a plurality of first branch pipes, and a first connector. The plurality of first branch pipes are respectively communicated with the plurality of heat exchange tubes. The liquid inlet pipe is communicated with the plurality of first branch pipes, and the first connector is detachably connected with the liquid inlet pipe.
7. The efficient heat recovery heat exchanger according to claim 6, characterized in that the liquid outlet component includes a liquid outlet pipe, a plurality of second branch pipes, and a second connector. The plurality of second branch pipes are respectively communicated with the plurality of heat exchange tubes. The liquid outlet pipe is communicated with the plurality of second branch pipes, and the second connector is detachably connected with the liquid outlet pipe.
8. The efficient heat recovery heat exchanger according to claim 7, characterized in that the heat exchange tubes include a plurality of connecting pipe units, and each two connecting pipe units are connected by a reversing pipe, so that the coolant changes the flow direction relative to the support frame when passing through the reversing pipe.