Internal cooling type solution heat exchanger
By employing a frame structure and liquid film technology in an internally cooled solution heat exchanger, the corrosion problems of metal heat exchangers and the complexity of packing materials are solved, achieving efficient air dehumidification and equipment miniaturization.
Patent Information
- Application Number
- CN202423310002.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the existing technology, lithium chloride/lithium bromide dehumidification solutions are corrosive to metals, which limits the use of metal heat exchangers. In addition, conventional internal cooling dehumidifiers require packing to enhance the dehumidification effect, but the use of packing increases the complexity of the equipment and space requirements.
Design an internally cooled solution heat exchanger with a frame structure. The heat exchange tubes pass through the through holes of the packing plate and form a liquid film on the surface of the packing plate and the heat exchange tubes. The heat and mass transfer effect is enhanced by the repeated formation and destruction of the liquid film, eliminating the need for additional packing.
It achieves efficient dehumidification without the need for fillers, reduces equipment size, lowers costs, and improves the heat and moisture exchange efficiency between air and solution.
Smart Images
Figure CN223807670U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of internal cooling solution heat exchanger, specifically relates to an internal cooling solution heat exchanger. BACKGROUND
[0002] Solution dehumidification device adopts hygroscopic solution to process air, utilizes the heat and moisture transfer between solution and air to realize the humidity processing process of air.According to whether there is cold input in the dehumidification process, it can be divided into adiabatic type and internal cooling type dehumidifier.In the adiabatic type dehumidifier, the latent heat of vaporization is released in the dehumidification process, which will cause the temperature of the solution to rise, resulting in the dehumidification capacity of the solution to drop.In the internal cooling type dehumidifier, the cooling medium (such as cooling water, cold air, etc.) is introduced into the dehumidification process, and the heat released in the dehumidification process is taken away, so that the dehumidification capacity of the solution is maintained.Compared with the adiabatic type dehumidifier, the internal cooling type dehumidifier has better dehumidification effect.In the internal cooling type solution dehumidifier, the solution and air are in direct contact to carry out heat transfer and mass transfer process;the cooling medium is in indirect contact with the solution to reduce the temperature of the solution, so that the solution has strong dehumidification capacity.
[0003] The conventional lithium chloride / lithium bromide dehumidification solution is corrosive to metal, so most of the heat exchangers are made of plastic materials.With the use of new dehumidification solution without corrosion, the use of metal heat exchanger becomes possible, but in order to ensure the moisture transfer effect between air and solution, it is generally necessary to cooperate with the filler to provide a solution heat exchanger without additional filler, which is a technical problem to be solved by the person skilled in the art. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at the deficiency of prior art, and provides an internal cooling solution heat exchanger.
[0005] In order to achieve the above-mentioned purpose, the utility model provides an internal cooling solution heat exchanger, which comprises a frame, a plurality of transversely arranged heat exchange pipes are arranged on the frame, the two ends of each heat exchange pipe are connected with liquid inlet pipe and liquid outlet pipe respectively, a plurality of filler plates are arranged on the inner side of the frame along the vertical direction, and the heat exchange pipes pass through the through holes on the filler plates.
[0006] Further, the two ends of the plurality of filler plates are fixedly connected with an end plate, and the outer side of the end plate is arranged on the inner side of the frame.
[0007] Further, the two ends of the filler plate are adhesively fixed with the end plate.
[0008] Further, the cross section of the frame is in the shape of a rectangular frame.
[0009] Further, the filler plate is a straight plate or a corrugated plate.
[0010] Further, upper and lower ends of the frame respectively protrude from upper and lower ends of the filler plate.
[0011] Further, the liquid inlet pipe and the liquid outlet pipe are connected with the liquid inlet main pipe and the liquid outlet main pipe respectively, the liquid inlet pipe, the liquid outlet pipe, the liquid inlet main pipe and the liquid outlet main pipe are arranged at one end of the frame, the liquid inlet main pipe and the liquid outlet main pipe are connected with a plurality of liquid inlet branch pipes and liquid outlet branch pipes respectively, and each liquid inlet branch pipe and liquid outlet branch pipe is connected with two ends of the heat exchange pipe.
[0012] Further, the heat exchange pipe is arranged in a back-and-forth manner.
[0013] Beneficial effects: the present application forms a relatively stable liquid film on the surface of the filler plate and the copper pipe while realizing heat and mass exchange with the solution, increases the contact area between the solution and the air, and facilitates heat and moisture exchange between the air and the solution; the formation-disturbance-destruction-formation process of the liquid film is repeated, which enhances the heat and mass transfer between the air and the liquid film, and accordingly plays a role in strengthening heat and mass transfer; no additional filler is arranged in the solution tank, the volume of the solution tank is reduced, the size of the dehumidification unit is reduced, and the cost and installation space are reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic diagram of the internal cooling type solution heat exchanger of the embodiment of the present application;
[0015] Figure 2 is a partial top view structural schematic diagram of the internal cooling type solution heat exchanger of the embodiment of the present application. DETAILED DESCRIPTION
[0016] The present application will be further illustrated below in combination with the drawings and specific embodiments, and the embodiments are implemented on the premise of the technical scheme of the present application, and it should be understood that the embodiments are only used for illustrating the present application and are not used for limiting the scope of the present application.
[0017] As shown in Figure 1 and Figure 2 , the embodiment of the present application provides an internal cooling type solution heat exchanger, which comprises a frame 1, the cross section of the frame 1 is preferably arranged in a rectangular frame shape, which is formed by four mounting plates bolted and fixedly connected. A plurality of heat exchange pipes 2 arranged transversely are arranged on the frame 1, the heat exchange pipes 2 are preferably copper pipes and are arranged in a back-and-forth manner. Two ends of each heat exchange pipe 2 are connected with a liquid inlet pipe 3 and a liquid outlet pipe 4 respectively, liquid such as water can be fed into the liquid inlet pipe 3 and flow out from the liquid outlet pipe 4 after passing through the heat exchange pipe 2. A plurality of filler plates 5 are arranged on the inner side of the frame 1, the filler plates 5 are preferably organic plant fiber filler plates, the plurality of filler plates 5 are arranged in a vertical interval, and the heat exchange pipes 2 pass through a plurality of through holes in the plurality of filler plates 5.
[0018] In order to keep the stable spacing between the plurality of filler plates 5, preferably, one end plate 6 is fixedly connected at both ends of the plurality of filler plates 5, and the outer side of the end plate 6 is preferably attached to the inner side of the frame 1. The material of the end plate 6 can be the same as that of the filler plate 5, and the end plate 6 can be fixed at the end of the filler plate 5 by bonding or the like.
[0019] The upper and lower ends of the frame 1 of the embodiment of the utility model are preferably respectively protruded from the upper and lower ends of the filler plate 5, which facilitates installation and placement and contact with external objects to cause deformation.
[0020] The filler plate 5 of the embodiment of the utility model can be a straight plate or a corrugated plate. Figure 2 The structure of the filler plate 5 as a straight plate is schematically shown.
[0021] The liquid inlet pipe 3 and the liquid outlet pipe 4 are respectively connected with the liquid inlet main pipe 7 and the liquid outlet main pipe 8, and the liquid inlet pipe 3, the liquid outlet pipe 4, the liquid inlet main pipe 7 and the liquid outlet main pipe 8 are all preferably arranged at one end of the outer side of the frame 1, the liquid inlet main pipe 7 and the liquid outlet main pipe 8 are respectively connected with a plurality of liquid inlet branch pipes 9 and liquid outlet branch pipes 10, and each liquid inlet branch pipe 9 and liquid outlet branch pipe 10 is respectively connected with both ends of the heat exchange pipe 2. The liquid flowing from the liquid inlet pipe 3 first passes through the liquid inlet main pipe 7, then is distributed by the liquid inlet branch pipe 9, and then flows into a plurality of heat exchange pipes 2. The liquid flowing from the heat exchange pipe 2 first flows into the liquid outlet branch pipe 10, then is collected by the liquid outlet main pipe 8, and then flows out from the liquid outlet pipe 4.
[0022] In use, the above-mentioned internal cooling type solution heat exchanger is installed in a solution dehumidification box and a solution regeneration box using a non-corrosive ionic solution such as CreCOPlus 5100, and is placed at the lower side of a liquid distributor. The liquid inlet pipe 3 of the internal cooling type solution heat exchanger installed in the solution dehumidification box is connected with a liquid with a relatively low temperature, and the dehumidification solution sprayed from the liquid distributor falls on the heat exchange pipe 2 and the filler plate 5, the low-temperature liquid flowing into the heat exchange pipe 2 can cool the dehumidification solution sprayed from the liquid distributor, and the dehumidification solution on the filler plate 5 contacts with air, thereby dehumidifying the air. The liquid inlet pipe 3 of the internal cooling type solution heat exchanger installed in the solution regeneration box is connected with a liquid with a relatively high temperature, and the regeneration solution sprayed from the liquid distributor falls on the heat exchange pipe 2 and the filler plate 5, the high-temperature liquid flowing into the heat exchange pipe 2 can heat the regeneration solution sprayed from the liquid distributor, and the regeneration solution on the filler plate 5 contacts with air, and the air can take away the moisture in the regeneration solution, thereby realizing solution regeneration.
[0023] The above merely describes preferred embodiments of the present application, and it should be noted that other non-specifically described parts belong to the prior art or common knowledge for ordinary skilled in the art. Without departing from the principles of the present application, several improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.
Claims
1. An internally cooled solution heat exchanger characterized by, The application relates to a heat exchange device, which comprises a frame, a plurality of transversely arranged heat exchange pipes, liquid inlet pipes and liquid outlet pipes, and a plurality of vertically arranged filler plates.
2. A solution heat exchanger of claim 1, wherein The two ends of the plurality of filler plates are fixedly connected with end plates.
3. An internally cooled solution heat exchanger according to claim 2, wherein, The two ends of the filler plates are fixedly connected with the end plates.
4. The inner cooling type solution heat exchanger according to claim 1, wherein The cross section of the frame is in the shape of a rectangular frame.
5. An internally cooled solution heat exchanger according to claim 1 wherein, The filler plates are straight or corrugated.
6. An internally cooled solution heat exchanger according to claim 1 wherein, The upper and lower ends of the frame protrude from the upper and lower ends of the filler plates.
7. An internally cooled solution heat exchanger according to claim 1 wherein, The liquid inlet pipes and the liquid outlet pipes are connected with liquid inlet main pipes and liquid outlet main pipes, respectively.
8. An internally cooled solution heat exchanger according to claim 1 wherein, The heat exchange pipes are arranged in a back-and-forth mode.