Novel energy recovery module for laboratory building ventilation

Abstract

The invention discloses a novel energy recovery module for laboratory building ventilation, and relates to the technical field of energy recovery, the novel energy recovery module comprises two end plates and a plurality of energy recovery core bodies mounted between the two end plates, each energy recovery core body comprises a shell with two sides provided with tube plates, the two tube plates respectively face the two end plates, the tube plates are provided with tube holes, and the tube holes are communicated with the shell. A heat exchange pipe is arranged in the shell, and the two ends of the heat exchange pipe are connected with the pipe holes in a sealed mode. The modular design is adopted, and the device can be directly assembled during use.

Description

Technical Field

[0001] The invention relates to the technical field of energy recovery, and in particular to a novel energy recovery module for laboratory building ventilation. Background Art

[0002] Heating, ventilation and air conditioning (HVAC) systems account for as much as 30%-40% of the total energy consumption of buildings, and in high-risk environments such as laboratories, this proportion rises to 60%-70%. Obviously, reducing the energy consumption of HVAC systems plays a key role in promoting building energy conservation. Large-volume fresh air constant temperature and humidity systems have been widely used in industries such as experimental animal rooms, biopharmaceuticals, medical and health, and semiconductor materials, which have special requirements for environmental control. The high energy consumption and high operating costs of laboratories are particularly significant. Therefore, under the premise of ensuring the quality of laboratory environment, achieving efficient energy recovery of exhaust air will have a significant impact on the high-quality and high-standard development of laboratories. The "paper core" energy recovery core commonly used in traditional European, American and Japanese fresh air systems has a comprehensive energy recovery rate of less than 10%, and there is a risk of cross-infection of fresh exhaust air; while the heat pipe energy recovery core has a non-standard design, a large volume, a long production and processing cycle, and cannot be modularly designed and manufactured. Summary of the invention

[0003] In view of the problem that the prior art lacks an energy recovery core with a modular design, the present invention provides a novel energy recovery module for laboratory building ventilation, which adopts a modular design and can be directly assembled when used.

[0004] To achieve the above object, the present invention can be carried out by adopting the following technical solutions:

[0005] The present invention provides a novel energy recovery module for laboratory building ventilation, which comprises:

[0006] two end plates, and a plurality of energy recovery cores installed between the two end plates;

[0007] The energy recovery core comprises a shell with tube sheets on both sides, the two tube sheets face the two end plates respectively, tube holes are opened on the tube sheets, heat exchange tubes are arranged in the shell, and both ends of the heat exchange tubes are sealed and connected to the tube holes.

[0008] As mentioned above, the novel energy recovery module for laboratory building ventilation, further, the four sides of the shell are provided with air holes for gas flow and heat exchange.

[0009] The novel energy recovery module for laboratory building ventilation as mentioned above further includes a tie rod, through which the two end plates are connected to form a fixed frame, and the energy recovery core is installed in the fixed frame.

[0010] As described above, the novel energy recovery module for laboratory building ventilation, further, the end plate is provided with a plurality of openings, the openings are adapted to the tube plate, and the end plate is fixedly connected to the tube plate.

[0011] As mentioned above, the new energy recovery module for laboratory building ventilation, further, a plurality of the energy recovery cores are arranged horizontally and their side walls are spliced ​​together to form a group of energy recovery core units, and a plurality of groups of the energy recovery core units are arranged at intervals along the height direction of the end plate.

[0012] As in the above-mentioned novel energy recovery module for laboratory building ventilation, further, the material of the end plate is metal.

[0013] As in the above-mentioned novel energy recovery module for laboratory building ventilation, further, the shell is made of plastic.

[0014] As in the above-mentioned novel energy recovery module for laboratory building ventilation, further, the heat exchange tube is a three-dimensional deformed tube.

[0015] As mentioned above, in the novel energy recovery module for laboratory building ventilation, further, the tube sheet is a polymer tube sheet.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The energy recovery module of the present invention does not require welding and can be directly assembled, which simplifies the manufacturing process, improves production efficiency, and reduces production cycle;

[0018] 2. The present invention can be manufactured in a modular manner. The energy recovery core is assembled first as a spare part, and then manufactured and assembled according to the actual required air volume, thereby reducing the production cycle;

[0019] 3. The energy recovery core of the present invention can be modularly designed according to the actual engineering wind volume requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 This is a schematic diagram of the overall structure of the energy recovery module in an embodiment of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the energy recovery core in an embodiment of the present invention;

[0023] Figure 3It is a structural schematic diagram of the end plate in an embodiment of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the pull rod in an embodiment of the present invention;

[0025] Among them, 1. Energy recovery core; 2. End plate; 3. Tie rod; 1-1. Tube plate; 1-1-1. Tube plate screw hole; 1-2. Shell; 1-3. Heat exchange tube; 2-1. End plate and tie rod connection screw hole; 2-2. End plate and tube plate connection screw hole; 2-3. Opening; 2-4. End plate lateral expansion screw hole; 2-5. End plate longitudinal expansion screw hole; 3-1. Tie rod and end plate connection screw hole. DETAILED DESCRIPTION

[0026] 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 described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0027] Example:

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations of the embodiments of the present invention are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0029] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0030] In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly defined. In addition, unless otherwise clearly defined and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] The present invention provides a novel energy recovery module for laboratory building ventilation, which comprises two end plates 2 and a plurality of energy recovery cores 1 installed between the two end plates 2. The energy recovery core 1 comprises a shell 1-2 with tube plates 1-1 on both sides, the two tube plates 1-1 respectively face the two end plates 2, tube holes are opened on the tube plates 1-1, heat exchange tubes 1-3 are arranged in the shell 1-2, and the two ends of the heat exchange tubes 1-3 are sealed and connected to the tube holes.

[0033] Specifically, see Figure 1 and Figure 2 The energy recovery module of the present invention includes two front and rear end plates 2, and multiple energy recovery cores 1 are installed between the two end plates 2. The overall structure of the energy recovery core 1 is: multiple heat exchange tubes 1-3 are inserted into the long strip shell 1-2, and tube sheets 1-1 are installed on both sides of the shell 1-2. The tube sheets 1-1 are provided with multiple tube holes that match the size of the heat exchange tubes 1-3. In this way, it is only necessary to insert each heat exchange tube 1-3 from left to right into each tube hole without welding. The new exhaust air volume processed by the energy recovery core ranges from 50-200m 3 / h, the number and length of the heat exchange tubes 1-3 can be adjusted according to actual conditions. In addition, the heat exchange tubes 1-3 can include but are not limited to three-dimensional deformed tubes, finned tubes, plain tubes, etc.; the tube sheet 1-1 can include but are not limited to polymer tube sheets, metal tube sheets, plastic tube sheets, etc.

[0034] In the above embodiment, further, the material of the end plate 2 is metal; the material of the shell 1-2 is plastic; the heat exchange tube 1-3 is a three-dimensional deformed tube; and the tube sheet 1-1 is a polymer tube sheet. Among them, the metal end plate has high strength and rigidity and good corrosion resistance and temperature resistance; the plastic shell has good thermal insulation and corrosion resistance and is relatively light; the three-dimensional deformed tube has high efficiency in heat transfer, can reduce flow resistance, and its compact design can save installation space and reduce costs; the polymer tube sheet has excellent corrosion resistance, is easy to construct and has low cost.

[0035] As an optional implementation, in some embodiments, the four sides of the shell 1-2 are provided with air holes for gas flow and heat exchange. Among them, four 100-200 mm air holes are respectively provided on the upper, lower, front and rear sides of the shell 1-2 for gas flow in and out for heat exchange.

[0036] As an optional implementation, in some embodiments, a tie rod 3 is further included, and the two end plates 2 are connected by the tie rod 3 to form a fixed frame, and the energy recovery core 1 is installed in the fixed frame. In this way, a more stable structure can be formed as a whole, thereby improving the stability of the energy recovery module. The specific installation method of the tie rod 3 is: the end plate and the tie rod connection screw holes 2-1 are opened at the four end corners of the end plate 2, and the tie rod and the end plate connection screw holes 3-1 are opened at both ends of the tie rod 3. After aligning the corresponding holes, they are connected and fixed by screws.

[0037] As an optional implementation, in some embodiments, the end plate 2 is provided with a plurality of openings 2-3, the openings 2-3 are adapted to the tube plate 1-1, and the end plate 2 is fixedly connected to the tube plate 1-1. Figure 3 and Figure 4 The end plate 2 is provided with a plurality of rectangular openings 2-3, and the size and shape of the openings 2-3 are the same as those of the tube sheet 1-1. Mounting holes are respectively provided above and below the openings 2-3 and above and below the tube sheet 1-1. The energy recovery core 1 is embedded in the openings 2-3. After the mounting holes at the openings 2-3 are aligned with the mounting holes on the tube sheet 1-1, they are connected and fixed by screws.

[0038] As an optional implementation, in some embodiments, multiple energy recovery cores 1 are horizontally arranged and their side walls are spliced ​​together to form a group of energy recovery core units, and multiple groups of energy recovery core units are spaced apart along the height direction of the end plate 2.

[0039] Specifically, the energy recovery core 1 of the present invention can be designed in a modular manner. For example, multiple energy recovery cores 1 are closely attached to each other horizontally to form an energy recovery core unit. Then, according to the actual use or the requirements of the engineering wind volume, multiple groups of energy recovery core units are arranged at a certain interval along the height direction of the end plate 2. Finally, a structure such as Figure 1 The energy recovery module shown.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0041] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable ordinary technicians in the field to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made based on the essence of the content of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel energy recovery module for laboratory building ventilation, characterized in that: include: two end plates, and a plurality of energy recovery cores installed between the two end plates; The energy recovery core comprises a shell with tube sheets on both sides, the two tube sheets face the two end plates respectively, tube holes are opened on the tube sheets, heat exchange tubes are arranged in the shell, and both ends of the heat exchange tubes are sealed and connected to the tube holes.

2. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: The four sides of the shell are all provided with air holes for gas flow and heat exchange.

3. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: It also includes a tie rod, through which the two end plates are connected to form a fixed frame, and the energy recovery core is installed in the fixed frame.

4. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: The end plate is provided with a plurality of openings, the openings are matched with the tube plate, and the end plate is fixedly connected to the tube plate.

5. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: A plurality of the energy recovery cores are arranged horizontally and their side walls are spliced ​​together to form a group of energy recovery core units. A plurality of groups of the energy recovery core units are arranged at intervals along the height direction of the end plate.

6. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: The material of the end plate is metal.

7. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: The shell is made of plastic.

8. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: The heat exchange tube is a three-dimensional deformed tube.

9. The novel energy recovery module for laboratory building ventilation according to claim 1 is characterized in that: The tube sheet is a polymer tube sheet.

Images