Energy-saving dehydration device
By introducing new hydrophobic devices and steam injectors to recover heat, and combining sedimentation tanks, filters and pH adjustment tanks to treat wastewater, the energy saving and water resource utilization problems of existing devices are solved, and cost reduction and resource recovery are achieved.
Patent Information
- Application Number
- CN202422225822.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing dehydration device cannot recover the heat of the steam-water mixed steam after evaporating the solution, which has poor energy saving effect and high production cost. At the same time, it lacks a wastewater treatment structure and fails to effectively utilize water resources.
A new hydrophobizer is used to discharge the steam condensate, and a steam injector is used to extract steam and water mixed steam to recover heat and generate low-pressure steam. At the same time, a sedimentation tank, filter and pH adjustment tank are set up to treat wastewater for recycling.
The reuse of heat energy is realized, production costs are reduced, and wastewater can be recycled and water resources are saved through the treatment structure.
Smart Images
Figure CN223055106U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of production equipment, in particular to an energy-saving dehydration device. Background Technique
[0002] The dehydration device in chemical production is used to remove moisture from liquid mixtures or solutions to improve the purity of products or meet specific process requirements.
[0003] However, the existing dehydration devices have the following disadvantages:
[0004] (1) After evaporating the solution, the existing dehydration devices cannot extract the steam-water mixture that should be in a saturated state to recover this part of heat, resulting in poor energy-saving effect and high production cost;
[0005] (2) The existing dehydration devices lack a treatment structure for the discharged wastewater, and the water resources cannot be recycled. Summary of the Invention
[0006] The purpose of the utility model is to provide an energy-saving dehydration device to solve the problems in the above background technique that after evaporating the solution, the existing dehydration devices cannot extract the steam-water mixture that should be in a saturated state to recover this part of heat, resulting in poor energy-saving effect and high production cost, and the dehydration device lacks a treatment structure for the discharged wastewater, and the water resources cannot be recycled.
[0007] To achieve the above purpose, the utility model provides the following technical solution: an energy-saving dehydration device, including a steam heat exchanger, the output end of the steam heat exchanger is connected with a connecting pipe I, one end of the connecting pipe I is connected with a steam trap, one end of the steam trap is connected with a steam-water mixing pipe, one end of the steam-water mixing pipe is connected with a steam ejector, the input end of the steam ejector is connected with a medium-pressure steam pipe, a pressure interlock control mechanism is installed on the surface of the medium-pressure steam pipe, the output end of the steam ejector is connected with a low-pressure steam pipe, and the middle part of the steam trap is connected with a drain pipe.
[0008] When using the energy-saving dehydration device of this technical solution, the dehydration device discharges steam condensate by using a new type of steam trap, and uses a steam ejector to extract the steam-water mixture that should be in a saturated state to recover this part of heat and regenerate lower-pressure steam.
[0009] As a preferred technical solution of the utility model, one end of the drain pipe is connected with a sedimentation tank. The sedimentation tank is set to remove solid particles and impurities in the wastewater.
[0010] As a preferred technical solution of the utility model, one end of the sedimentation tank is connected with a connecting pipe II, and one end of the connecting pipe II is connected with a filter. The filter is set to remove smaller particles in the wastewater.
[0011] As a preferred technical solution of the present utility model, one end of the filter is connected with a third connecting pipe, and one end of the third connecting pipe is connected with a pH adjustment tank. The pH adjustment tank can be provided to add chemical additives to adjust the pH value of water.
[0012] As a preferred technical solution of the present utility model, one end of the pH adjustment tank is connected with a recovery pipe. The provided recovery pipe is used for the recycling of purified water.
[0013] As a preferred technical solution of the present utility model, a pressure sensor is installed on the surface of the first connecting pipe. The pressure sensor is provided to monitor the steam pressure inside the first connecting pipe.
[0014] As a preferred technical solution of the present utility model, one end of the low-pressure steam pipe is connected with a low-pressure main pipe network. The low-pressure main pipe network is used for transporting low-pressure steam.
[0015] As a preferred technical solution of the present utility model, a cut-off valve is installed on the surface of the steam-water mixing pipe. The cut-off valve is provided to control the opening and closing of the steam-water mixing pipe.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0017] 1. This dehydration device uses a new type of steam trap to discharge steam condensate, and uses a steam ejector to extract the steam-water mixed steam that should be in a saturated state to recover this part of heat energy and regenerate lower-pressure steam, achieving the recycling of this part of thermal energy and reducing production costs;
[0018] 2. The wastewater discharged from this dehydration device through the steam trap will pass through a sedimentation tank to remove solid particles and impurities, then pass through a filter to remove smaller particles, and finally add chemical additives to the pH adjustment tank to adjust the pH value of the water, thereby enabling the recycling of the discharged wastewater and saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a schematic structural diagram of the present utility model;
[0020] Figure 2 is a schematic structural diagram of the steam trap of the present utility model;
[0021] Figure 3 is a schematic structural diagram of the drain pipe of the present utility model.
[0022] In the figure: 1. Steam heat exchanger; 2. First connecting pipe; 3. Pressure sensor; 4. Steam trap; 5. Drain pipe; 6. Steam-water mixing pipe; 7. Steam ejector; 8. Low-pressure steam pipe; 9. Low-pressure main pipe network; 10. Medium-pressure steam pipe; 11. Pressure interlock control mechanism; 12. Isolation valve; 13. Sedimentation tank; 14. Second connecting pipe; 15. Filter; 16. Third connecting pipe; 17. pH adjustment tank; 18. Recovery pipe. Specific implementation manner
[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0024] Please refer to Figures 1-3 , the present invention provides an energy-saving dehydration device, including a steam heat exchanger 1. The output end of the steam heat exchanger 1 is connected to a first connecting pipe 2. One end of the first connecting pipe 2 is connected to a steam trap 4 for dehydration. One end of the steam trap 4 is connected to a steam-water mixing pipe 6. One end of the steam-water mixing pipe 6 is connected to a steam ejector 7. The input end of the steam ejector 7 is connected to a medium-pressure steam pipe 10. A pressure interlock control mechanism 11 is installed on the surface of the medium-pressure steam pipe 10. The output end of the steam ejector 7 is connected to a low-pressure steam pipe 8 for discharging low-pressure steam. The middle part of the steam trap 4 is connected to a drain pipe 5 for discharging waste water.
[0025] During use, the dehydration device uses the new steam trap 4 to discharge steam condensate, and uses the steam ejector 7 to extract the steam-water mixed steam that should be in a saturated state to recover this part of heat, and regenerate lower-pressure steam, so as to recycle this part of thermal energy and reduce production costs.
[0026] One end of the drain pipe 5 is connected to a sedimentation tank 13. One end of the sedimentation tank 13 is connected to a second connecting pipe 14. One end of the second connecting pipe 14 is connected to a filter 15. One end of the filter 15 is connected to a third connecting pipe 16. One end of the third connecting pipe 16 is connected to a pH adjustment tank 17 for treating waste water. One end of the pH adjustment tank 17 is connected to a recovery pipe 18 for recovering water resources.
[0027] During use, the waste water discharged by the dehydration device through the steam trap 4 will pass through the sedimentation tank 13 to remove solid particles and impurities, then pass through the filter 15 to remove smaller particles, and finally add chemical additives in the pH adjustment tank 17 to adjust the pH value of the water, and recover it through the recovery pipe 18, so that the discharged waste water can be recycled and water resources can be saved.
[0028] A pressure sensor 3 is installed on the surface of the first connecting pipe 2 to monitor the pressure. One end of the low-pressure steam pipe 8 is connected to the low-pressure main network pipe 9 for transporting low-pressure steam. A cut-off valve 12 is installed on the surface of the steam-water mixing pipe 6 to control the opening and closing.
[0029] During use, there is a pressure interlock control mechanism 11 at the inlet of the steam ejector 7, which cooperates with the pressure sensor 3 at the input end of the steam trap 4 to perform the function of interlock control. The steam ejector 7 outputs low-pressure steam to the low-pressure main network. A cut-off valve 12 is provided between the steam trap 4 and the steam ejector 7 to control the flow of the steam-water mixture.
[0030] During specific use, for an energy-saving dehydration device of the present utility model, the steam ejector 7 outputs low-pressure steam to the low-pressure main network. There is a pressure interlock control mechanism 11 at the inlet of the steam ejector 7. A cut-off valve 12 is installed at the side port of the steam ejector 7. The steam trap 4 is arranged on one side of the steam ejector 7. The input end of the steam trap 4 is communicated with the output end of the steam heat exchanger 1. There is an interlock control function between the pressure sensor 3 at the input end of the steam trap 4 and the input end of the steam ejector 7. This dehydration device uses a new type of steam trap 4 to discharge the steam condensate, and uses the steam ejector 7 to extract and recover the heat of the steam-water mixed steam that should be in a saturated state, and regenerate lower-pressure steam, achieving the reuse of this part of the thermal energy, reducing the production cost. The wastewater discharged from this dehydration device through the steam trap 4 will pass through a sedimentation tank 13 to remove solid particles and impurities, then pass through a filter 15 to remove smaller particulate matters, and finally add chemical additives in a pH adjustment tank 17 to adjust the pH value of the water, and recover it through a recovery pipe 18, thereby enabling the recovery and utilization of the discharged wastewater and saving water resources.
[0031] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. An energy-saving dehydration device, comprising a steam heat exchanger (1), characterized in that: The output end of the steam heat exchanger (1) is connected with a first connecting pipe (2). One end of the first connecting pipe (2) is connected with a steam trap (4). One end of the steam trap (4) is connected with a steam-water mixing pipe (6). One end of the steam-water mixing pipe (6) is connected with a steam injector (7). The input end of the steam injector (7) is connected with a medium-pressure steam pipe (10). A pressure interlock control mechanism (11) is installed on the surface of the medium-pressure steam pipe (10). The output end of the steam injector (7) is connected with a low-pressure steam pipe (8). The middle part of the steam trap (4) is connected with a drain pipe (5).
2. An energy-saving dehydration device according to claim 1, characterized in that: One end of the drain pipe (5) is connected with a sedimentation tank (13).
3. An energy-saving dehydration device according to claim 2, characterized in that: One end of the sedimentation tank (13) is connected with a second connecting pipe (14). One end of the second connecting pipe (14) is connected with a filter (15).
4. An energy-saving dehydration device according to claim 3, characterized in that: One end of the filter (15) is connected with a third connecting pipe (16). One end of the third connecting pipe (16) is connected with a pH adjustment tank (17).
5. An energy-saving dehydration device according to claim 4, characterized in that: One end of the pH adjustment tank (17) is connected with a recovery pipe (18).
6. An energy-saving dehydration device according to claim 1, characterized in that: A pressure sensor (3) is installed on the surface of the first connecting pipe (2).
7. An energy-saving dehydration device according to claim 1, characterized in that: One end of the low-pressure steam pipe (8) is connected with a low-pressure main network pipe (9).
8. An energy-saving dehydration device according to claim 1, characterized in that: A cut-off valve (12) is installed on the surface of the steam-water mixing pipe (6).