Heat preservation shell of hot water circulating pump
Through the combination of multi-layer structure and temperature sensor heating blocks, the insulation performance and icing problems of the thermal insulation shell of the hot water circulation pump are solved, achieving efficient insulation and convenient maintenance.
Patent Information
- Application Number
- CN202422756234.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-11-13
AI Technical Summary
The existing thermal insulation shell of hot water circulation pump lacks a multi-layer insulation structure, resulting in average insulation performance, difficulty in effectively in cold environments, and is prone to damage due to icing.
It adopts a multi-layer structural design, including a lower shell composed of stainless steel shell layer, vacuum insulation layer, aerogel layer, glass fiber insulation cotton layer and high-density polyethylene inner shell layer, and is equipped with a temperature sensor and heating block to monitor and heat the pipe port temperature to prevent icing.
It improves insulation performance, ensures the flow effect of the medium, expands the scope of application, and improves the disassembly and maintenance convenience of the insulation shell.
Smart Images

Figure CN223282275U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot water circulation systems, in particular to a heat-insulating shell of a hot water circulation pump. Background Art
[0002] Hot water circulation pumps are essential key equipment in heating, hot water supply, and industrial cooling systems. However, in cold seasons or low-temperature working environments, traditional hot water circulation pumps are prone to rapid heat loss, resulting in reduced efficiency and may even be damaged by ice forming inside the pump body. Therefore, it is particularly important to develop a hot water circulation pump insulation shell that can effectively keep warm and improve thermal energy utilization.
[0003] The reference announcement number is CN216742169U, which is an insulation shell of a hot water circulation pump. It includes a transport pipe, a protective structure is provided on the outer wall of the transport pipe, a first fixing device is provided on the outer wall of the protective structure, an insulation pipe is provided between the two protective structures, and a sunshade sleeve is provided on the outer wall of the insulation pipe. A second fixing device is provided on one side of the outer wall of the first fixing device, and the second fixing device includes a fixing seat, a fixing groove, a second slide groove and a screw hole. The insulation shell of the hot water circulation pump can reduce the flow of external air into the insulation pipe and improve the insulation effect by arranging the insulation pipe, the protective sleeve and the sunshade sleeve, and can avoid the arc flange from being directly fixed on the surface of the insulation pipe by arranging the protective structure, the first fixing device and the second fixing device, reduce damage to the insulation pipe and increase the service life of the insulation pipe. According to the above, although the insulation shell can be well applied, this type of insulation shell usually does not have a multi-layer insulation structure, which makes the insulation performance of the insulation shell general and difficult to meet the established expectations, and needs to be improved. Utility Model Content
[0004] The purpose of the present utility model is to provide an insulation shell for a hot water circulation pump to solve the problem in the above background technology that although the insulation shell can be well applied, usually such insulation shell is not provided with a multi-layer insulation structure, so that the insulation performance of the insulation shell is general and it is difficult to achieve the established expectations.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulation shell of a hot water circulation pump, comprising a lower shell, an upper shell is installed on the top of the lower shell, an upper frame is provided at the edge position of the lower end of the upper shell, and upper reinforcing ribs with equal spacing are provided on the outer wall of the upper shell above the upper frame, a lower frame is provided at the edge position of the upper end of the lower shell, a liquid inlet is provided on the outer wall of one side of the lower shell, one end of the liquid inlet is connected to the outer wall of the lower shell, a liquid outlet is provided on the outer wall of the lower shell away from the liquid inlet, and the liquid outlet is provided. One end is connected with the outer wall of the lower shell, and a cylindrical shell is provided on the top of the upper shell. The lower shell includes a stainless steel outer shell layer, a vacuum insulation layer, an aerogel layer, a glass fiber thermal insulation cotton layer and a high-density polyethylene inner shell layer. A glass fiber thermal insulation cotton layer is provided at the center position inside the lower shell, a high-density polyethylene inner shell layer is provided on the outer wall of the glass fiber thermal insulation cotton layer, a stainless steel outer shell is provided on the outer wall of the high-density polyethylene inner shell layer, an aerogel layer is provided on the inner wall of the glass fiber thermal insulation cotton layer, and a vacuum insulation layer is provided on the inner wall of the aerogel layer.
[0006] Preferably, an inspection cover is installed at the center position of the bottom of the lower shell, and a plurality of fixing bolts are installed at the bottom end of the inspection cover. The top ends of the fixing bolts pass through the inspection cover and are threadedly connected to the bottom end of the lower shell. The fixing bolts are arranged so that the inspection cover can be installed at the bottom end of the lower shell.
[0007] Preferably, the bottom end of the lower frame is provided with lower reinforcing ribs with equal spacing, and the inner wall of the lower reinforcing rib is fixedly connected to the outer wall of the lower shell. The lower reinforcing rib is provided to reinforce the contact position between the lower frame and the lower shell.
[0008] Preferably, a first locking bolt is installed at the bottom end of the lower frame between the lower reinforcing ribs, and the top end of the first locking bolt passes through the lower frame and is threadedly connected to the bottom end of the upper frame. The first locking bolt is set to lock the upper shell and place it on the top end of the lower shell.
[0009] Preferably, a second locking bolt is installed at the bottom end of the lower frame on one side of the lower reinforcing rib, and the bottom end of the second locking bolt passes through the lower frame and is threadedly connected to the bottom end of the upper reinforcing rib. The second locking bolt is set to further lock the upper shell and place it on the top end of the lower shell.
[0010] Preferably, heating blocks are provided at the bottom of the liquid inlet and outlet, and temperature sensors are provided at the top of the liquid inlet and outlet. By setting the temperature sensors and heating blocks, the internal medium of the insulation shell can be heated when the internal temperature of the insulation shell is low.
[0011] Compared with the prior art, the beneficial effects of the present invention are: the insulation shell of the hot water circulation pump not only ensures the insulation performance of the insulation shell, but also ensures the flow effect of the medium, improves the application range of the insulation shell, and achieves the purpose of disassembling the insulation shell, thereby improving the convenience of maintenance of the insulation shell;
[0012] (1) The lower shell is formed by combining a stainless steel outer shell layer, a vacuum insulation layer, an aerogel layer, a glass fiber insulation cotton layer, and a high-density polyethylene inner shell layer, and the material structure of the upper shell, the liquid inlet pipe port, the liquid outlet pipe port, the cylindrical shell and other related components are consistent with the material structure of the lower shell, so that the overall thermal insulation performance of the thermal insulation shell is effectively improved, thereby reducing the intrusion of external cold air into the interior of the thermal insulation shell, thereby ensuring the thermal insulation performance of the thermal insulation shell;
[0013] (2) The temperature inside the liquid inlet and outlet is monitored by a temperature sensor. If the monitored temperature does not reach the set value and is low, the heating block will heat the inside of the liquid inlet and outlet, thereby effectively reducing the phenomenon of ice formation of the medium inside the insulation shell, thereby ensuring the flow effect of the medium and improving the application range of the insulation shell;
[0014] (3) By screwing the first locking bolt and the second locking bolt to screw the upper ends of the first locking bolt and the second locking bolt out to the outside of the upper frame and the upper reinforcing rib respectively, the upper shell can be pulled to be detached from the top of the lower shell to achieve the purpose of disassembling the insulation shell, thereby improving the convenience of maintenance of the insulation shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a rear view structural diagram of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;
[0018] Figure 4 This is a schematic diagram of the front cross-sectional structure of the utility model;
[0019] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the lower shell of the utility model.
[0020] In the figure: 1. Lower shell; 101. Stainless steel outer shell; 102. Vacuum insulation layer; 103. Aerogel layer; 104. Glass fiber insulation cotton layer; 105. High-density polyethylene inner shell; 2. Upper shell; 3. Lower reinforcing rib; 4. Upper reinforcing rib; 5. Upper frame; 6. Lower frame; 7. First locking bolt; 8. Second locking bolt; 9. Liquid inlet; 10. Liquid outlet; 11. Cylindrical shell; 12. Inspection cover; 13. Tightening bolt; 14. Temperature sensor; 15. Heating block. DETAILED DESCRIPTION
[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0022] See also Figure 1-5 The utility model provides an embodiment of a heat preservation shell of a hot water circulation pump, comprising a lower shell 1, an inspection cover 12 is installed at the center of the bottom of the lower shell 1, and a plurality of fastening bolts 13 are installed at the bottom end of the inspection cover 12. The top ends of the fastening bolts 13 pass through the inspection cover 12 and are threadedly connected to the bottom end of the lower shell 1;
[0023] When in use, the inspection cover 12 is mounted on the bottom end of the lower housing 1 by tightening the bolts 13;
[0024] The upper shell 2 is mounted on the top of the lower shell 1. An upper frame 5 is provided at the edge of the lower end of the upper shell 2. Upper reinforcing ribs 4 are provided on the outer wall of the upper shell 2 above the upper frame 5. A lower frame 6 is provided at the edge of the upper end of the lower shell 1. Lower reinforcing ribs 3 are provided at equal intervals at the bottom end of the lower frame 6. The inner wall of the lower reinforcing rib 3 is fixedly connected to the outer wall of the lower shell 1.
[0025] When in use, the lower reinforcing rib 3 is provided to reinforce the contact position between the lower frame 6 and the lower shell 1;
[0026] The bottom ends of the lower frames 6 between the lower reinforcement ribs 3 are all installed with first locking bolts 7, the top ends of the first locking bolts 7 pass through the lower frames 6 and are threadedly connected to the bottom ends of the upper frames 5;
[0027] When in use, the first locking bolt 7 is provided to lock the upper shell 2 onto the top of the lower shell 1;
[0028] A second locking bolt 8 is installed at the bottom end of the lower frame 6 on one side of the lower reinforcing rib 3. The bottom end of the second locking bolt 8 passes through the lower frame 6 and is threadedly connected to the bottom end of the upper reinforcing rib 4.
[0029] When in use, the second locking bolt 8 is provided to further lock the upper shell 2 onto the top of the lower shell 1;
[0030] A liquid inlet pipe port 9 is provided on the outer wall of one side of the lower shell 1, one end of which is connected to the outer wall of the lower shell 1. A liquid outlet pipe port 10 is provided on the outer wall of the lower shell 1 away from the liquid inlet pipe port 9, one end of which is connected to the outer wall of the lower shell 1. A heating block 15 is provided at the bottom of each of the liquid inlet pipe port 9 and the liquid outlet pipe port 10, and a temperature sensor 14 is provided at the top of each of the liquid inlet pipe port 9 and the liquid outlet pipe port 10.
[0031] When in use, the temperature sensor 14 and the heating block 15 are arranged so that the internal medium of the heat preservation shell can be heated when the internal temperature of the heat preservation shell is low;
[0032] A cylindrical shell 11 is provided at the top of the upper shell 2, and the lower shell 1 includes a stainless steel outer shell layer 101, a vacuum insulation layer 102, an aerogel layer 103, a glass fiber thermal insulation cotton layer 104 and a high-density polyethylene inner shell layer 105. A glass fiber thermal insulation cotton layer 104 is provided at the center position inside the lower shell 1, and a high-density polyethylene inner shell layer 105 is provided on the outer wall of the glass fiber thermal insulation cotton layer 104. The outer wall of the high-density polyethylene inner shell layer 105 is provided with a stainless steel outer shell 101, an aerogel layer 103 is provided on the inner wall of the glass fiber thermal insulation cotton layer 104, and a vacuum insulation layer 102 is provided on the inner wall of the aerogel layer 103.
[0033] When the embodiment of the present application is in use, the lower shell 1 is first formed by combining the stainless steel outer shell layer 101, the vacuum insulation layer 102, the aerogel layer 103, the glass fiber insulation cotton layer 104 and the high-density polyethylene inner shell layer 105, and the material structure of the upper shell 2, the liquid inlet pipe port 9, the liquid outlet pipe port 10, the cylindrical shell 11 and other related components is consistent with the material structure of the lower shell 1, so that the overall insulation performance of the insulation shell is improved. Specifically: due to the setting of the stainless steel outer shell layer 101, and a number of lower reinforcing ribs 3 are set at the contact position between the lower shell 1 and the lower frame 6, and a number of upper reinforcing ribs 4 are set at the connection position between the upper frame 5 and the upper shell 2, so as to ensure the stability and durability of the overall structure of the insulation shell, and due to the setting of the vacuum insulation layer 102, the heat is reduced from being directly transferred to the outside of the insulation shell. In addition, the aerogel layer 103, the glass fiber insulation cotton layer 104 and the high-density polyethylene inner shell layer 105 are set to form a multi-layer composite structure, that is, When the temperature of the liquid inlet 9 and the liquid outlet 10 is lower than the set value, the heating block 15 will heat the inside of the liquid inlet 9 and the liquid outlet 10, thereby effectively reducing the phenomenon of ice formation in the medium inside the heat preservation shell and ensuring the flow effect of the medium. Finally, by screwing the first locking bolt 7 and the second locking bolt 8, the upper ends of the first locking bolt 7 and the second locking bolt 8 are screwed out to the outside of the upper frame 5 and the upper reinforcement rib 4 respectively, the upper shell 2 can be pulled out to the top of the lower shell 1 to facilitate the disassembly and maintenance of the heat preservation shell. After the top end of the fastening bolt 13 is screwed out to the outside of the lower shell 1, the inspection cover 12 can be removed from the bottom end of the lower shell 1, and the inner side of the upper shell 2 can be inspected and maintained by the preset groove at the bottom of the lower shell 1 without removing the upper shell 2 from the top of the lower shell 1, thereby completing the use of the heat preservation shell.
Claims
1. A heat-insulating shell of a hot water circulation pump, characterized in that: The invention comprises a lower shell (1), wherein an upper shell (2) is installed at the top of the lower shell (1), an upper frame (5) is provided at the edge of the lower end of the upper shell (2), and upper reinforcing ribs (4) with equal spacing are provided on the outer wall of the upper shell (2) above the upper frame (5), and a lower frame (6) is provided at the edge of the upper end of the lower shell (1), a liquid inlet (9) is provided on the outer wall of one side of the lower shell (1), and one end of the liquid inlet (9) is connected to the outer wall of the lower shell (1), and a liquid outlet (10) is provided on the outer wall of the side of the lower shell (1) away from the liquid inlet (9), and one end of the liquid outlet (10) is connected to the outer wall of the lower shell (1), and the top of the upper shell (2) is provided with a cylindrical shell. The lower shell (11) comprises a stainless steel outer shell (101), a vacuum insulation layer (102), an aerogel layer (103), a glass fiber thermal insulation cotton layer (104) and a high-density polyethylene inner shell (105); a glass fiber thermal insulation cotton layer (104) is provided at the center of the lower shell (1); a high-density polyethylene inner shell (105) is provided on the outer wall of the glass fiber thermal insulation cotton layer (104); a stainless steel outer shell (101) is provided on the outer wall of the high-density polyethylene inner shell (105); an aerogel layer (103) is provided on the inner wall of the glass fiber thermal insulation cotton layer (104); and a vacuum insulation layer (102) is provided on the inner wall of the aerogel layer (103).
2. The heat-insulating shell of a hot water circulation pump according to claim 1, characterized in that: An inspection cover (12) is installed at the center of the bottom of the lower shell (1), and a plurality of fixing bolts (13) are installed at the bottom end of the inspection cover (12). The top ends of the fixing bolts (13) pass through the inspection cover (12) and are threadedly connected to the bottom end of the lower shell (1).
3. The heat-insulating shell of a hot water circulation pump according to claim 1, characterized in that: The bottom end of the lower frame (6) is provided with lower reinforcing ribs (3) at equal intervals, and the inner wall of the lower reinforcing rib (3) is fixedly connected to the outer wall of the lower shell (1).
4. The heat-insulating shell of a hot water circulation pump according to claim 3, characterized in that: The bottom end of the lower frame (6) between the lower reinforcing ribs (3) is equipped with a first locking bolt (7), and the top end of the first locking bolt (7) passes through the lower frame (6) and is threadedly connected to the bottom end of the upper frame (5).
5. The heat-insulating shell of a hot water circulation pump according to claim 3, characterized in that: A second locking bolt (8) is installed at the bottom end of the lower frame (6) on one side of the lower reinforcing rib (3), and the bottom end of the second locking bolt (8) passes through the lower frame (6) and is threadedly connected to the bottom end of the upper reinforcing rib (4).
6. The heat-insulating shell of a hot water circulation pump according to claim 1, characterized in that: The bottoms of the liquid inlet (9) and the liquid outlet (10) are both provided with heating blocks (15), and the tops of the liquid inlet (9) and the liquid outlet (10) are both provided with temperature sensors (14).