PVC-O two-step method water circulation efficient energy-saving device
By designing a water cycle efficient energy-saving device, which uses the temperature difference of water for recycling and cooling, the problem of efficient use of water resources in the production of PVC-O pipes is solved, and the effect of energy saving and consumption reduction is achieved.
Patent Information
- Application Number
- CN202323387995.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2033-12-13
AI Technical Summary
In the two-step production process of PVC-O pipes, a large amount of hot and cold water is required in the pipe expansion and shaping process, resulting in an increase in production costs.
A water circulation and high-efficiency energy-saving device is designed. By diversion and discharge of production water, the water with higher temperature is directly recycled into the hot water pipe, and the water with lower temperature enters the cooling water tank and is naturally cooled and then recycled into the cold water tank.
It effectively saves a lot of energy consumption of heating water, reduces production costs, and improves the efficiency of water circulation.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the field of water circulation devices, in particular to a PVC-O two-step water circulation high-efficiency energy-saving device. Background Art
[0002] Biaxially oriented (PVC-O) pipes are manufactured through a special orientation process. This process is to stretch the PVC-U pipe produced by extrusion in the axial direction and in the radial direction, so that the PVC long-chain molecules in the pipe are arranged regularly in the biaxial direction, and a new type of PVC pipe with high strength, high toughness, high impact resistance and fatigue resistance is obtained, and its performance is far better than that of ordinary PVC-U pipes. Research and development of PVC-O pipes can greatly save raw material resources, reduce costs, improve product performance, and have obvious economic and social benefits.
[0003] When producing PVC-O by the two-step method, during the tube expansion production, the mold and the tube blank need to be heated and cooled during the heating tube expansion and cooling shaping process, which consumes a large amount of hot water and cold water, increasing the production cost.
[0004] In view of this, research and improvement are conducted on the existing problems, and a PVC-O two-step water circulation high-efficiency energy-saving device is provided, in which the production water is discharged in a diverted manner, so that the first part of the water with a higher temperature directly returns to the hot water pipe, and the second part of the water with a lower temperature enters the cooling water tank for natural cooling, and returns to the cold water tank after cooling, which can save a lot of energy consumption for heating water. The purpose is to solve the problem and improve the use value through this technology. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes a PVC-O two-step water circulation high-efficiency energy-saving device.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PVC-O two-step water circulation high-efficiency energy-saving device, comprising a PVC production device, one end of the PVC production device is connected to a control center, one end of the PVC production device is connected to an electrically controlled cold water valve, the other end of the PVC production device is connected to an electrically controlled hot water valve, one end of the electrically controlled hot water valve is connected to a hot water discharge pipe, one end of the hot water discharge pipe is connected to a pressure pump, one end of the pressure pump is connected to a hot water recovery pipe, one end of the hot water recovery pipe is connected to a hot water tank, one end of the hot water tank is connected to a first pumping pipe, and one end of the first pumping pipe is connected to a first water pump.
[0007] As a further description of the above technical solution:
[0008] The control center is fixedly connected to the PVC production device, the electric-controlled cold water valve is fixedly connected to the PVC production device, and the electric-controlled hot water valve is fixedly connected to the PVC production device.
[0009] As a further description of the above technical solution:
[0010] One end of the hot water discharge pipe is fixedly connected to the electric-controlled hot water valve and the other end is fixedly connected to the booster pump. One end of the hot water recovery pipe is fixedly connected to the booster pump and the other end is fixedly connected to the hot water tank.
[0011] As a further description of the above technical solution:
[0012] A water inlet is fixedly connected to the top of the hot water tank, one end of the first water pumping pipe is fixedly connected to the hot water tank and the other end is fixedly connected to the first water pump, one end of the first water pump is fixedly connected to the first water supply pipe, and one end of the first water supply pipe is fixedly connected to the PVC production device.
[0013] As a further description of the above technical solution:
[0014] One end of the electrically controlled cold water valve is fixedly connected to a cold water discharge pipe, and one end of the cold water discharge pipe is fixedly connected to a cooling water tank.
[0015] As a further description of the above technical solution:
[0016] One end of the cooling water tank is fixedly connected to a connecting pipe, one end of the connecting pipe is fixedly connected to a return water pump, one end of the return water pump is fixedly connected to a cold water recovery pipe, and one end of the cold water recovery pipe is fixedly connected to a cold water tank.
[0017] As a further description of the above technical solution:
[0018] A water inlet is fixedly connected to the top of the cold water tank, a second water pumping pipe is fixedly connected to the bottom of the cold water tank, one end of the second water pumping pipe is fixedly connected to a second water pump, one end of the second water pump is fixedly connected to a second water supply pipe, and one end of the second water supply pipe is fixedly connected to the PVC production device.
[0019] The utility model has the following beneficial effects: in the utility model, by discharging production water in separate streams, the water with a higher temperature in the front part directly returns to the hot water pipe, and the water with a lower temperature in the back part enters the cooling water tank for natural cooling, and returns to the cold water tank after cooling, which can save a lot of energy consumption for heating water, and the hotter water is discharged through the electrically controlled hot water valve, and the water with a lower temperature is discharged through the electrically controlled cold water valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of a PVC-O two-step water circulation high-efficiency energy-saving device proposed by the utility model;
[0021] Figure 2 This is a schematic diagram of the structure of a hot water tank and a cold water tank of a PVC-O two-step water circulation high-efficiency energy-saving device proposed by the utility model;
[0022] Figure 3 This is a schematic diagram of the cooling water tank structure of a PVC-O two-step water circulation high-efficiency energy-saving device proposed by the utility model.
[0023] Legend:
[0024] 1. PVC production device; 2. Control center; 3. Electric-controlled cold water valve; 4. Electric-controlled hot water valve; 5. Hot water discharge pipe; 6. Pressure pump; 7. Hot water recovery pipe; 8. Hot water tank; 9. Water inlet; 10. First water extraction pipe; 11. First water pump; 12. First water supply pipe; 13. Cold water discharge pipe; 14. Cooling water tank; 15. Connecting pipe; 16. Return water pump; 17. Cold water recovery pipe; 18. Cold water tank; 19. Second water extraction pipe; 20. Second water pump; 21. Second water supply pipe. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, 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 an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0027] Reference Figure 1-3 , an embodiment provided by the utility model:
[0028] A PVC-O two-step water circulation high-efficiency energy-saving device comprises a PVC production device 1, one end of the PVC production device 1 is connected to a control center 2, one end of the PVC production device 1 is connected to an electrically controlled cold water valve 3, the other end of the PVC production device 1 is connected to an electrically controlled hot water valve 4, one end of the electrically controlled hot water valve 4 is connected to a hot water discharge pipe 5, one end of the hot water discharge pipe 5 is connected to a pressure pump 6, one end of the pressure pump 6 is connected to a hot water recovery pipe 7, one end of the hot water recovery pipe 7 is connected to a hot water tank 8, one end of the hot water tank 8 is connected to a first pumping pipe 10, and one end of the first pumping pipe 10 is connected to a first water pump 11.
[0029] Specifically, the control center 2 is fixedly connected to the PVC production device 1, the electric-controlled cold water valve 3 is fixedly connected to the PVC production device 1, and the electric-controlled hot water valve 4 is fixedly connected to the PVC production device 1. The water output time of the electric-controlled hot water valve 4 and the electric-controlled cold water valve 3 is set through the control center 2.
[0030] Specifically, one end of the hot water discharge pipe 5 is fixedly connected to the electric-controlled hot water valve 4 and the other end is fixedly connected to the booster pump 6. One end of the hot water recovery pipe 7 is fixedly connected to the booster pump 6 and the other end is fixedly connected to the hot water tank 8. The hot water is input into the hot water tank 8 through the booster pump 6.
[0031] Specifically, a water inlet 9 is fixedly connected to the top of the hot water tank 8, one end of the first water pumping pipe 10 is fixedly connected to the hot water tank 8 and the other end is fixedly connected to the first water pump 11, one end of the first water pump 11 is fixedly connected to the first water delivery pipe 12, one end of the first water delivery pipe 12 is fixedly connected to the PVC production device 1, and hot water is stored through the hot water tank 8.
[0032] Specifically, one end of the electric-controlled cold water valve 3 is fixedly connected to a cold water discharge pipe 13 , and one end of the cold water discharge pipe 13 is fixedly connected to a cooling water tank 14 . The cooling water tank 14 stores hot water with a relatively low temperature and cools it.
[0033] Specifically, one end of the cooling water tank 14 is fixedly connected to a connecting pipe 15 , one end of the connecting pipe 15 is fixedly connected to a return water pump 16 , one end of the return water pump 16 is fixedly connected to a cold water recovery pipe 17 , one end of the cold water recovery pipe 17 is fixedly connected to a cold water tank 18 , and the cooled water is sent back to the cold water tank 18 through the return water pump 16 .
[0034] Specifically, a water inlet 9 is fixedly connected to the top of the cold water tank 18, a second water pumping pipe 19 is fixedly connected to the bottom of the cold water tank 18, one end of the second water pumping pipe 19 is fixedly connected to a second water pump 20, one end of the second water pump 20 is fixedly connected to a second water supply pipe 21, one end of the second water supply pipe 21 is fixedly connected to the PVC production device 1, and cold water is stored through the cold water tank 18.
[0035] Working principle: When the energy-saving device is in use, the user sets the water outlet time of the electric hot water valve 4 and the electric cold water valve 3 through the control center 2. The electric hot water valve 4 will release the first part of hot water with a higher temperature, and the booster pump 6 will send it back to the hot water tank 8. Since the temperature of this part of hot water is higher, less energy is required to heat it again. The electric cold water valve 3 will release the latter part of water with a lower temperature. This part of water enters the cooling water tank 14 for natural cooling. The cooled water will be sent back to the cold water tank 18 through the return water pump 16, avoiding the latter part of water with residual temperature entering the cold water tank 18, which will increase the water temperature in the cold water tank 18 and affect production.
[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A water circulation high-efficiency energy-saving device for a PVC-O two-step process, comprising a PVC production device (1), characterized in that: One end of the PVC production device (1) is connected to a control center (2), one end of the PVC production device (1) is connected to an electrically controlled cold water valve (3), and the other end of the PVC production device (1) is connected to an electrically controlled hot water valve (4), one end of the electrically controlled hot water valve (4) is connected to a hot water discharge pipe (5), one end of the hot water discharge pipe (5) is connected to a pressure pump (6), one end of the pressure pump (6) is connected to a hot water recovery pipe (7), one end of the hot water recovery pipe (7) is connected to a hot water tank (8), one end of the hot water tank (8) is connected to a first pumping pipe (10), and one end of the first pumping pipe (10) is connected to a first water pump (11).
2. A water circulation high-efficiency energy-saving device for a PVC-O two-step method according to claim 1, characterized in that: The control center (2) is fixedly connected to the PVC production device (1), the electrically controlled cold water valve (3) is fixedly connected to the PVC production device (1), and the electrically controlled hot water valve (4) is fixedly connected to the PVC production device (1).
3. A water circulation high-efficiency energy-saving device for a PVC-O two-step method according to claim 1, characterized in that: One end of the hot water discharge pipe (5) is fixedly connected to the electrically controlled hot water valve (4) and the other end is fixedly connected to the booster pump (6); one end of the hot water recovery pipe (7) is fixedly connected to the booster pump (6) and the other end is fixedly connected to the hot water tank (8).
4. A water circulation high-efficiency energy-saving device for a PVC-O two-step method according to claim 1, characterized in that: A water inlet (9) is fixedly connected to the top of the hot water tank (8); one end of the first water pumping pipe (10) is fixedly connected to the hot water tank (8) and the other end is fixedly connected to the first water pump (11); one end of the first water pump (11) is fixedly connected to the first water supply pipe (12); one end of the first water supply pipe (12) is fixedly connected to the PVC production device (1).
5. A PVC-O two-step water circulation high-efficiency energy-saving device according to claim 1, characterized in that: One end of the electrically controlled cold water valve (3) is fixedly connected to a cold water discharge pipe (13), and one end of the cold water discharge pipe (13) is fixedly connected to a cooling water tank (14).
6. A PVC-O two-step water circulation high-efficiency energy-saving device according to claim 5, characterized in that: One end of the cooling water tank (14) is fixedly connected to a connecting pipe (15), one end of the connecting pipe (15) is fixedly connected to a return water pump (16), one end of the return water pump (16) is fixedly connected to a cold water recovery pipe (17), and one end of the cold water recovery pipe (17) is fixedly connected to a cold water tank (18).
7. A PVC-O two-step water circulation high-efficiency energy-saving device according to claim 6, characterized in that: A water inlet (9) is fixedly connected to a top end of the cold water tank (18), a second water pumping pipe (19) is fixedly connected to a bottom end of the cold water tank (18), one end of the second water pumping pipe (19) is fixedly connected to a second water pump (20), one end of the second water pump (20) is fixedly connected to a second water supply pipe (21), and one end of the second water supply pipe (21) is fixedly connected to the PVC production device (1).