High-pressure heater
By adopting a combined structure of anti-high temperature deflector and partition deflector in the high-pressure heater, the deformation and leakage problems caused by high temperature concentration in traditional high-pressure heaters are solved, and higher safety, stability and heat exchange performance are achieved.
Patent Information
- Application Number
- CN202420654994.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The steam outlet end of traditional high-pressure heaters is prone to deformation and leakage due to long-term high temperature concentration, resulting in insufficient safety and stability.
A high-pressure heater is designed, adopting a combined structure of an anti-high-temperature deflector and a partition deflector. By separating the high-pressure bearing tank to prevent overheating steam chamber and a hydrophobic cooling chamber, multiple superheated steam ends are discharged in a stepped shape, and auxiliary heat diversion is carried out through the anti-high-temperature deflector to avoid high-temperature concentration.
It effectively avoids deformation and leakage caused by high temperature concentration, improves overall safety and operating stability, and improves heat exchange performance.
Smart Images
Figure CN222688900U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat exchange equipment, in particular to a high-pressure heater. Background Art
[0002] In thermal power plants and nuclear power plants, high-pressure heaters are important equipment in the feed water heat recovery system. The exhaust air of the steam turbine can be used to heat the boiler feed water to reach the required feed water temperature, thereby improving the thermal efficiency of the power plant and ensuring the output of the unit. It uses the steam that has done some work in the steam turbine to heat the feed water, thereby increasing the condensate temperature and achieving a heat exchange utilization effect on the high-temperature steam.
[0003] However, there are some problems with the sealing method of traditional high-pressure heaters. Due to the high pressure in the high-pressure water chamber, the traditional high-pressure and high-temperature steam is prone to deformation or even leakage at the steam outlet due to long-term high temperature concentration during long-term heat exchange. The ability to prevent overheated steam is relatively general. The local deformation caused by high temperature overheating affects the overall safety and operational stability of the device. For this reason, we propose a high-pressure heater to solve the above problems. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the shortcomings of the prior art, the utility model provides a high-pressure heater with an anti-overheated steam structure, which can avoid deformation or even leakage caused by high temperature concentration, has good overall safety and operating stability, improves the overall heat exchange performance, etc., and solves the problem that the steam outlet end of the existing high-pressure heater is prone to deformation and leakage due to long-term high temperature concentration, and has insufficient safety and stability.
[0006] (II) Technical solution
[0007] In order to realize the above-mentioned anti-overheated steam structure, deformation or even leakage caused by high temperature concentration can be avoided, the overall safety and operation stability are good, and the overall heat exchange performance is improved, the utility model provides the following technical solutions: a high-pressure heater, including a high-pressure bearing tank, and a water supply inlet and outlet pipe is provided on the side of the high-pressure bearing tank;
[0008] A high-pressure steam heat exchange pipe is provided inside the high-pressure bearing tank, a high-pressure steam introduction pipe is provided on the top of the high-pressure bearing tank, one end of each of the high-pressure steam heat exchange pipes is connected to the high-pressure steam introduction pipe, and the other end of each of the high-pressure steam heat exchange pipes is provided with a superheated steam end, a partition guide plate is provided in the middle of the high-pressure bearing tank, and a high-temperature protection guide plate is provided inside the high-pressure bearing tank;
[0009] Among them, the high-temperature protection guide plate corresponds to the position of the superheated steam end, and the bottom of the water supply inlet and outlet pipe is provided with a water inlet, and the top is provided with a water outlet.
[0010] Preferably, an upper drain inlet pipe is provided at the top of the side of the high-pressure bearing tank, and a crisis drain outlet pipe is provided at the bottom of the side of the high-pressure bearing tank, and the upper drain inlet pipe is located directly above the crisis drain outlet pipe.
[0011] Preferably, the partition guide plate is a heat-insulating plate, which divides the high-pressure bearing tank into an anti-overheated steam chamber and a hydrophobic cooling chamber, the superheated steam end and the anti-high-temperature guide plate are both located in the anti-overheated steam chamber, and the anti-overheated steam chamber and the hydrophobic cooling chamber are in a connected state.
[0012] Preferably, the high-pressure steam heat exchange tube is arranged in a U shape, and the partition guide plate is located on the inner side of the high-pressure steam heat exchange tube.
[0013] Preferably, a temperature meter is provided on the top of the high-pressure bearing tank, and bearing brackets are provided on both sides of the bottom of the high-pressure bearing tank.
[0014] Preferably, an auxiliary anti-overheating plate is provided on the side surface inside the high-pressure bearing tank, and the auxiliary anti-overheating plate is located between the anti-overheating steam chamber and the drain cooling chamber.
[0015] Preferably, the auxiliary overheating protection plate and the partition guide plate are both arranged in an inclined shape, and the multiple superheated steam ends are successively longer from bottom to top, and the superheated steam ends are matched and corresponded with the partition guide plate in an inclined shape.
[0016] Preferably, a safety valve is provided on the top of the high-pressure bearing tank.
[0017] (III) Beneficial effects
[0018] Compared with the prior art, the utility model provides a high-voltage heater, which has the following beneficial effects:
[0019] 1. The high-pressure heater has a water supply inlet and outlet pipe to guide the medium water source in the high-pressure bearing tank. The high-pressure steam inlet pipe can guide the high-pressure steam into the high-pressure steam heat exchange tube, and discharge it from the superheated steam end on the other end. The multiple superheated steam ends play a role of dispersed discharge. The multiple superheated steam ends are discharged in a stepped manner to avoid high-temperature concentration. At the same time, the high-temperature anti-guide plate performs auxiliary heat diversion effect to avoid local deformation caused by high-heat concentration, so that the device has an anti-superheated steam structure, which can avoid deformation or even leakage caused by high-temperature concentration, and has good overall safety and operation stability.
[0020] 2. The high-pressure heater can separate the high-pressure bearing tank into two upper and lower chambers by providing an anti-high-temperature guide plate inside the high-pressure bearing tank. After the high-temperature steam is discharged, it can be guided to the drain cooling chamber in a U shape after the anti-overheating operation is performed in the anti-overheating steam chamber, which plays a stable guiding operation and has a good anti-overheating effect. At the same time, the heat exchange capacity is excellent and the device runs stably, so that the overall structure of the device is simple, the heat exchange thread is relatively long, and the overall heat exchange performance is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a frontal perspective schematic diagram of the structure of the utility model;
[0022] Figure 2 This is a front view cross-sectional perspective diagram of the structure of the utility model;
[0023] Figure 3 It is a side view cross-sectional perspective schematic diagram of the structure of the utility model;
[0024] Figure 4 It is a bottom-up sectional perspective schematic diagram of the structure of the utility model.
[0025] In the figure: 1. High-pressure bearing tank; 2. Water inlet and outlet pipes; 3. High-pressure steam heat exchange pipe; 4. High-pressure steam inlet pipe; 5. Superheated steam end; 6. Partition guide plate; 7. High-temperature protection guide plate; 8. Upper drain inlet pipe; 9. Crisis drain outlet pipe; 10. Temperature meter; 11. Bearing bracket; 12. Auxiliary anti-overheating plate; 13. Safety valve. DETAILED DESCRIPTION
[0026] 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.
[0027] See also Figure 1-Figure 4 The high-pressure heater comprises a high-pressure bearing tank 1, and a water supply inlet and outlet pipe 2 is provided on the side of the high-pressure bearing tank 1;
[0028] A high-pressure steam heat exchange pipe 3 is provided inside the high-pressure bearing tank 1, a high-pressure steam introduction pipe 4 is provided on the top of the high-pressure bearing tank 1, one end of each of the high-pressure steam heat exchange pipes 3 is connected to the high-pressure steam introduction pipe 4, and the other end of each of the high-pressure steam heat exchange pipes 3 is provided with a superheated steam end 5, a partition guide plate 6 is provided in the middle of the high-pressure bearing tank 1, and a high-temperature protection guide plate 7 is provided inside the high-pressure bearing tank 1;
[0029] Among them, the high temperature protection guide plate 7 corresponds to the position of the superheated steam end 5, the bottom of the water supply inlet and outlet pipe 2 is provided with a water inlet, and the top is provided with a water outlet;
[0030] The beneficial effects to be expressed by this scheme are as follows: by setting the water supply inlet and outlet pipe 2, a diversion effect is played on the medium water source in the high-pressure bearing tank 1; the high-pressure steam inlet pipe 4 can guide the high-pressure steam into the high-pressure steam heat exchange tube 3, and discharge it from the superheated steam end 5 on the other end; the multiple superheated steam ends 5 play a role of dispersed discharge, and the multiple superheated steam ends 5 are discharged in a stepped manner to avoid high-temperature concentration; at the same time, the anti-high-temperature guide plate 7 performs auxiliary heat diversion effect to avoid local deformation caused by high-heat concentration; the setting of the partition guide plate 6 can separate the high-pressure bearing tank 1 into two upper and lower chambers, increase the steam heat exchange thread, play a stable diversion operation, and have a better anti-overheating effect, so that the device has an anti-overheated steam structure, which can avoid deformation or even leakage caused by high-temperature concentration, and has better overall safety and operation stability, thereby improving the overall heat exchange performance.
[0031] Furthermore, a superior drain inlet pipe 8 is provided at the top of the side of the high-pressure bearing tank 1, and a crisis drain outlet pipe 9 is provided at the bottom of the side of the high-pressure bearing tank 1, and the superior drain inlet pipe 8 is located directly above the crisis drain outlet pipe 9;
[0032] By setting up the upper drainage inlet pipe 8, it plays an auxiliary role in water diversion operation, and the emergency drainage outlet pipe 9 plays an auxiliary role in water discharge. In more urgent moments, the pressure can be quickly relieved and water can be discharged, and the overall practicality is good.
[0033] Furthermore, the partition guide plate 6 is a heat-insulating plate, and the partition guide plate 6 divides the high-pressure bearing tank 1 into an anti-overheated steam chamber and a drain cooling chamber. The superheated steam end 5 and the anti-high-temperature guide plate 7 are both located in the anti-overheated steam chamber, and the anti-overheated steam chamber and the drain cooling chamber are in a connected state.
[0034] By setting the partition guide plate 6 as a heat-insulating plate, it plays a role of high temperature resistance, avoids deformation caused by high temperature concentration, and has a good heat conduction effect. The setting of the partition guide plate 6 can separate the high-pressure bearing tank 1 into two upper and lower chambers. After the high-temperature steam is discharged, it can be prevented from overheating by the anti-overheating steam chamber.
[0035] The water is diverted to the drain cooling chamber in a zigzag shape, which stabilizes the diversion operation, has a good effect in preventing overheating, and has excellent heat exchange capacity.
[0036] Furthermore, the high-pressure steam heat exchange tube 3 is arranged in a U shape, and the partition guide plate 6 is located on the inner side of the high-pressure steam heat exchange tube 3;
[0037] By arranging the high-pressure steam heat exchange tube 3 in a U-shape, it can cooperate with the partition guide plate 6 to allow the steam to flow in the high-pressure steam heat exchange tube 3, and after one heat exchange, it is guided from the bottom of the partition guide plate 6 to the top of the partition guide plate 6, and then guided from the anti-overheating steam chamber to the drain cooling chamber, thereby increasing the heat exchange thread and improving the heat exchange efficiency and quality.
[0038] Furthermore, a temperature meter 10 is provided on the top of the high-pressure bearing tank 1, and bearing brackets 11 are provided on both sides of the bottom of the high-pressure bearing tank 1;
[0039] The temperature meter 10 is provided to measure the temperature, and the support bracket 11 is provided to support the device as a whole, so that the support bracket 11 can support and position the device, and the device can be placed more stably.
[0040] Furthermore, an auxiliary anti-overheating plate 12 is provided on the side of the interior of the high-pressure bearing tank 1, and the auxiliary anti-overheating plate 12 is located between the anti-overheating steam chamber and the drain cooling chamber;
[0041] By setting up the auxiliary anti-overheating plate 12, when the high-temperature steam is discharged from the high-pressure steam heat exchange tube 3 and is blocked by the partition guide plate 6 and flows in a U-shaped thread guide, the auxiliary anti-overheating plate 12 can assist in heat diversion to avoid deformation caused by heat concentration, and the operation of the device is safer and more stable.
[0042] Furthermore, the auxiliary overheating protection plate 12 and the partition guide plate 6 are both arranged in an inclined shape, and the multiple superheated steam ends 5 are successively longer from bottom to top, and the superheated steam ends 5 are matched and corresponded with the partition guide plate 6 in an inclined shape;
[0043] By arranging the auxiliary overheating protection plate 12 and the partition guide plate 6 in an inclined shape, the high-pressure steam diversion is stable and the backflow fragrance effect is good. Moreover, since the multiple superheated steam ends 5 are successively longer from bottom to top and discharged in a stepped manner, high temperature concentration is avoided. At the same time, the high-temperature protection guide plate 7 performs auxiliary heat diversion effect to avoid local deformation caused by high heat concentration. The diversion is convenient and the safety and stability are good.
[0044] Furthermore, a safety valve 13 is provided on the top of the high pressure bearing tank 1;
[0045] By setting the safety valve 13, a safety protection function is played to avoid potential safety hazards caused by excessive pressure in the tank, and the pressure relief protection capability is good.
[0046] It should be noted that the various devices in this application are common devices in the market, and can be selected according to specific needs during specific use. The circuit connection relationship of each device belongs to a simple series and parallel connection circuit. There is no innovation in the circuit connection. Those skilled in the art can easily implement it. It belongs to the existing technology and will not be elaborated.
[0047] Working principle: by providing a water supply inlet and outlet pipe 2 on the side of the high-pressure bearing tank 1, water source is introduced from the water inlet on the water supply inlet and outlet pipe 2, and after being heated and conducted by the high-pressure bearing tank 1, it is discharged from the water outlet on the water supply inlet and outlet pipe 2. The high-pressure steam introduction pipe 4 can introduce external high-pressure high-temperature steam into the high-pressure bearing tank 1, and it is guided from one end of multiple high-pressure steam heat exchange pipes 3 to the other end. During the guidance process, the water source of the high-pressure bearing tank 1 is heat exchanged. At the same time, the other end of the high-pressure steam heat exchange pipe 3 can discharge the high-temperature steam introduced by the high-pressure steam introduction pipe 4. During the discharge process, multiple superheated steam ends 5 play a role of dispersed discharge. Multiple superheated steam ends 5 are discharged in a stepped shape to avoid high-temperature concentration. At the same time, the anti-high-temperature guide plate 7 performs auxiliary heat diversion effect to avoid local deformation caused by high-heat concentration.
[0048] The setting of the partition guide plate 6 can separate the high-pressure bearing tank 1 into two upper and lower chambers. After the high-temperature steam is discharged, it can be guided to the drain cooling chamber in a U shape after the overheating prevention operation is carried out in the overheating prevention steam chamber, which plays a stable diversion operation and has a good overheating prevention effect. At the same time, the heat exchange capacity is excellent and the operation of the device is stable, so that the device has an overheating prevention steam structure, which can avoid deformation or even leakage caused by high temperature concentration, and the overall safety and operation stability are good, which improves the overall heat exchange performance.
[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-pressure heater, comprising a high-pressure carrying tank (1), characterized in that: A water supply inlet and outlet pipe (2) is provided on the side of the high-pressure bearing tank (1); A high-pressure steam heat exchange pipe (3) is provided inside the high-pressure bearing tank (1), a high-pressure steam introduction pipe (4) is provided on the top of the high-pressure bearing tank (1), one end of a plurality of the high-pressure steam heat exchange pipes (3) are connected to the high-pressure steam introduction pipe (4), and the other end of a plurality of the high-pressure steam heat exchange pipes (3) are provided with a superheated steam end (5), a partition guide plate (6) is provided in the middle of the high-pressure bearing tank (1), and a high-temperature protection guide plate (7) is provided inside the high-pressure bearing tank (1); The high temperature protection guide plate (7) corresponds to the position of the superheated steam end (5), and the water supply inlet and outlet pipe (2) is provided with a water inlet at the bottom and a water outlet at the top.
2. The high-voltage heater according to claim 1, characterized in that: An upper drain inlet pipe (8) is provided at the top of the side of the high-pressure bearing tank (1), and a crisis drain outlet pipe (9) is provided at the bottom of the side of the high-pressure bearing tank (1), wherein the upper drain inlet pipe (8) is located directly above the crisis drain outlet pipe (9).
3. The high-voltage heater according to claim 1, characterized in that: The partition guide plate (6) is a heat-insulating plate. The partition guide plate (6) divides the high-pressure bearing tank (1) into an anti-overheating steam chamber and a drain cooling chamber. The overheating steam end (5) and the high-temperature protection guide plate (7) are both located in the anti-overheating steam chamber. The anti-overheating steam chamber and the drain cooling chamber are in a connected state.
4. The high-voltage heater according to claim 1, characterized in that: The high-pressure steam heat exchange tube (3) is arranged in a U shape, and the partition guide plate (6) is located on the inner side of the high-pressure steam heat exchange tube (3).
5. The high-voltage heater according to claim 1, characterized in that: A temperature meter (10) is provided on the top of the high-pressure bearing tank (1), and bearing brackets (11) are provided on both sides of the bottom of the high-pressure bearing tank (1).
6. The high-voltage heater according to claim 3, characterized in that: An auxiliary overheating prevention plate (12) is provided on the side surface inside the high-pressure bearing tank (1), and the auxiliary overheating prevention plate (12) is located between the overheating prevention steam chamber and the drain cooling chamber.
7. The high-voltage heater according to claim 6, characterized in that: The auxiliary overheating protection plate (12) and the partition guide plate (6) are both arranged in an inclined shape, and the plurality of superheated steam ends (5) are successively longer from bottom to top, and the superheated steam ends (5) and the partition guide plate (6) are arranged in an inclined shape to match and correspond to each other.
8. The high-voltage heater according to claim 1, characterized in that: A safety valve (13) is provided on the top of the high-pressure bearing tank (1).