High-pressure sealing adjusting device for waste heat power generation

Abstract

The utility model discloses a waste heat power generation high-pressure sealing adjusting device, which relates to the technical field of waste heat power generation and comprises a steam adjusting pipe, a pressure relief pipe is fixed and communicated with the upper part close to the steam inlet end of the steam adjusting pipe, and a partial pressure steam storage hollow pipe is fixed and communicated with the upper end of the pressure relief pipe. Through the arrangement of the pressure relief pipe, the pressure-dividing steam storage hollow pipe, the compensation backflow steam pipe and the self-adjusting one-way valve, the purpose of automatic real-time adjustment is achieved, dependence on the detection result of a pressure detection element is not needed, and the pressure-dividing steam storage device is simple in structure, convenient to operate and high in practicability. Compared with the prior art, the waste heat power generation high-pressure sealing adjusting device is timely in response, stable and reliable, large damage to the steam adjusting pipe when the pressure detection element is damaged or the detected pressure value has errors is avoided, and therefore the waste heat power generation high-pressure sealing adjusting device is more stable and reliable in the actual using process and better in using effect.

Description

Technical Field

[0001] This utility model relates to the field of waste heat power generation technology, and in particular to a high-pressure sealing and regulating device for waste heat power generation. Background Technology

[0002] Waste heat power generation is a technology that uses excess heat energy from the production process to convert it into electrical energy. High-temperature flue gas heats a waste heat boiler to generate superheated steam, which is then piped to a steam turbine to drive the turbine and generate electricity. When the steam enters, there are often situations where the steam pressure is insufficient or excessive. Insufficient steam pressure will affect the turbine's power generation operation, while excessive steam pressure will cause the pipes to be unable to withstand the pressure and thus rupture.

[0003] To address the aforementioned issues, patent document CN221762037U discloses a high-pressure sealing and regulating device for waste heat power generation, comprising a steam regulating pipe, a pressure reducing mechanism, and a pressure boosting mechanism. The steam regulating pipe includes a straight pipe section and a variable diameter pipe section, with a pressure detection valve installed on the straight pipe section. The pressure reducing mechanism includes four pressure reducing pipes arranged in an array around the steam regulating pipe. The starting end of each pressure reducing pipe is installed on the straight pipe section, and the ending end of each pressure reducing pipe is connected to the end of the steam regulating pipe, and the ending end of the pressure reducing pipe communicates with the steam regulating pipe. The pressure boosting mechanism includes a fixing rod and a booster pump. Two fixing rods are symmetrically installed on the straight pipe section of the steam regulating pipe, and an mounting plate is installed at the end of each fixing rod. The booster pump is located at the lower end of the mounting plate.

[0004] Based on the above search and combined with existing technology, it was found that most existing waste heat power generation high-pressure sealing regulation devices operate by: detecting pressure - controlling the pressure relief solenoid valve or controlling the start of the booster pump - balancing the pressure - detecting again. This regulation method is an automated regulation with lag, that is, it detects the pressure difference first and then adjusts and compensates, and it is highly dependent on the normal operation of the pressure detection element. If the pressure detection element is damaged or falsely alarms, it may lead to the inability to regulate or the incorrect regulation, resulting in greater damage. Therefore, a waste heat power generation high-pressure sealing regulation device is needed. Utility Model Content

[0005] The purpose of this application is to provide a high-pressure sealing and regulating device for waste heat power generation to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this application provides the following technical solution: a waste heat power generation high-pressure sealing and regulating device, including a steam regulating pipe, a pressure relief pipe fixed and connected to the upper part near the steam inlet end of the steam regulating pipe, a pressure-splitting steam storage hollow pipe fixed and connected to the upper end of the pressure relief pipe, a channel connected to the pressure relief pipe in the middle of the pressure-splitting steam storage hollow pipe, a cavity opened inside the pressure-splitting steam storage hollow pipe, an air inlet opened on the inner side of the pressure-splitting steam storage hollow pipe, and a return port opened at one end of the outer side of the pressure-splitting steam storage hollow pipe;

[0007] The cavity of the pressure-splitting steam storage hollow pipe is equipped with a steam storage bladder that can expand and deform. The steam storage bladder has an air inlet and an air outlet. The air inlet corresponds to and is connected to the air inlet port, and the air outlet corresponds to and is connected to the return port.

[0008] A compensating return steam pipe is fixed on one side of the partial pressure storage hollow pipe and connected to the return port. The lower end of the compensating return steam pipe is fixed and connected to the steam regulating pipe, and the compensating return steam pipe is located on the side of the partial pressure storage hollow pipe close to the steam outlet end of the steam regulating pipe.

[0009] Both the pressure relief pipe and the compensation return steam pipe are equipped with self-regulating one-way valves. The self-regulating one-way valve in the pressure relief pipe opens and connects the pressure relief pipe to the air inlet when the pressure in the steam regulating pipe is higher than the preset pressure, allowing the steam in the steam regulating pipe to enter the steam storage bladder. The self-regulating one-way valve in the compensation return steam pipe opens and connects the compensation return steam pipe to the steam regulating pipe when the pressure in the steam regulating pipe is lower than the preset pressure, allowing the steam stored in the steam storage bladder to flow back to the steam regulating pipe through the exhaust port, return port, and compensation return steam pipe for pressure compensation.

[0010] Preferably, a partition is fixed inside the cavity of the pressure-splitting steam storage hollow pipe, and the partition is provided with multiple partitions to divide the cavity into multiple steam storage chambers that are evenly arranged vertically.

[0011] The steam bladder is provided with multiple steam storage bladders, each located in a separate steam storage chamber. A diversion vent is provided at the upper end of the steam storage bladder. The diversion vent on the lower steam storage bladder is connected to the air inlet on the upper steam storage bladder via a connecting pipe. A self-regulating one-way valve is installed inside the connecting pipe. The self-regulating one-way valve in the connecting pipe opens when the lower steam storage bladder is filled with steam and deforms to fill the steam storage chamber, and when steam further enters, thus allowing excess steam to enter the upper steam storage bladder from the lower steam storage bladder.

[0012] Preferably, the self-regulating check valve includes a valve plate, a tension spring, and a bracket. The valve plate is slidably installed inside the pipe fitting, the bracket is a horizontal bracket and its ends are fixed to the inner wall of the pipe fitting, and the two ends of the tension spring are fixed to the valve plate and the bracket, respectively.

[0013] The inner valve plate located in the pressure relief pipe and connecting pipe is located at the upper end of the support, while the inner valve plate located in the compensation return steam pipe is located at the lower end of the support.

[0014] Preferably, the connecting pipe includes a graded connecting rigid pipe and a graded connecting flexible pipe. The graded connecting rigid pipe is fixedly inserted through the partition and its upper end is connected to the air inlet at the lower end of the gas storage bag. The upper end of the graded connecting flexible pipe is fixed and connected to the lower end of the graded connecting rigid pipe, and the lower end of the graded connecting flexible pipe is connected to the diversion air hole at the upper end of the gas storage bag.

[0015] The self-regulating check valve is installed inside the tiered connecting rigid pipe.

[0016] Preferably, one side of the compensation return steam pipe is fixed and connected to multiple vertically arranged pressure-dividing return branch pipes, and multiple return ports are opened and correspond one-to-one with the multiple pressure-dividing return branch pipes. The multiple return ports also correspond one-to-one with the multiple exhaust holes on the multiple steam storage bags.

[0017] A self-regulating check valve is also installed on the inside of the connection between the pressure-return branch pipe and the compensation return pipe. The self-regulating check valve is used to open when a negative pressure is formed in the compensation return pipe, so that the steam in the steam storage bag flows into the compensation return pipe through the exhaust port, return port, and pressure-return branch pipe.

[0018] Preferably, a pressure detection valve is fixedly installed on one side of the steam outlet of the steam regulating pipe, and a booster pump is fixed on one side of the steam inlet of the steam regulating pipe by a fixing bracket. The inlet of the booster pump is fixed and connected to the main pipe and the temporary steam suction pipe. The outlet of the booster pump is fixed and connected to the booster pipe. The lower end of the booster pipe is fixed and connected to the steam regulating pipe.

[0019] The topmost stage connecting rigid pipe is fixedly inserted through the top of the pressure-splitting steam storage hollow pipe, and a self-regulating one-way valve is also installed inside the topmost stage connecting rigid pipe.

[0020] One end of the temporary steam intake pipe is fixedly sleeved outside the uppermost graded connecting hard pipe and connected to the graded connecting hard pipe. The self-regulating one-way valve in the uppermost graded connecting hard pipe is used to open when the booster pump is started, so that the steam stored in the steam storage bag enters the booster pump through the temporary steam intake pipe and then enters the steam regulating pipe again through the booster pipe.

[0021] In summary, the technical effects and advantages of this utility model are as follows:

[0022] 1. In this utility model, by setting up a pressure relief pipe, a pressure-splitting steam storage hollow pipe, a compensating return steam pipe, and a self-regulating one-way valve, when the pressure in the steam regulating pipe is higher than the preset pressure after steam enters the steam regulating pipe, the self-regulating one-way valve in the pressure relief pipe opens and connects the pressure relief pipe with the air inlet, allowing the steam in the steam regulating pipe to enter the steam storage bladder; when the pressure in the steam regulating pipe is lower than the preset pressure, the self-regulating one-way valve in the compensating return steam pipe opens and connects the compensating return steam pipe with the steam regulating pipe, allowing the steam stored in the steam storage bladder to flow back to the steam regulating pipe through the exhaust port, return port, and compensating return steam pipe for pressure compensation;

[0023] This achieves automatic real-time adjustment without relying on the detection results of pressure detection elements. Relatively speaking, the response is more timely and stable and reliable. It avoids greater damage to the steam regulating pipe when the pressure detection element is damaged or the detected pressure value is incorrect. As a result, the waste heat power generation high-pressure sealing regulating device is more stable and reliable in actual use and has a better effect.

[0024] 2. In this utility model, the cavity of the pressure-splitting steam storage hollow pipe is divided into multiple steam storage chambers, and a steam storage bladder is provided in each steam storage chamber. The multiple steam storage bladders are connected in one direction through a connecting pipe and a self-regulating one-way valve. When the lower steam storage bladder stores enough steam to expand and deform to fill the steam storage chamber, the steam continuing to enter the lower steam storage bladder increases the pressure inside the steam storage bladder, thereby opening the self-regulating one-way valve and allowing the excess steam in the lower steam storage bladder to enter the upper steam storage bladder. This achieves multi-stage, pressure-progressive separate steam storage, which can be used to adapt to different high-pressure conditions. It can also achieve automatic graded steam storage, relying on the detection results of the pressure detection element, and has better practicality. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the three-dimensional structure in this embodiment;

[0027] Figure 2 This is a schematic cross-sectional view of the structure in this embodiment;

[0028] Figure 3 This is a schematic cross-sectional view of the pressure-splitting steam storage hollow pipe and steam storage bladder in this embodiment;

[0029] Figure 4 This is a schematic cross-sectional view of the compensation reflux steam pipe in this embodiment.

[0030] In the diagram: 1. Steam regulating pipe; 2. Pressure detection valve; 3. Pressure relief pipe; 4. Pressure-dividing steam storage hollow pipe; 41. Baffle plate; 42. Steam storage chamber; 43. Air inlet; 44. Stage connecting rigid pipe; 45. Stage connecting flexible pipe; 46. Return port; 5. Compensating return steam pipe; 51. Pressure-dividing return branch pipe; 6. Booster pump; 61. Temporary steam suction pipe; 62. Booster pipe; 7. Steam storage bladder; 71. Air inlet; 72. Diverting air inlet; 73. Exhaust port; 8. Self-adjusting one-way valve; 81. Valve plate; 82. Tension spring; 83. Support. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Example: Reference Figure 1-4 The waste heat power generation high-pressure sealing and regulating device shown includes a steam regulating pipe 1, a pressure relief pipe 3 fixed and connected to the upper part near the steam inlet end of the steam regulating pipe 1, a pressure-splitting steam storage hollow pipe 4 fixed and connected to the upper end of the pressure relief pipe 3, a channel connected to the pressure relief pipe 3 in the middle of the pressure-splitting steam storage hollow pipe 4, a cavity opened in the pressure-splitting steam storage hollow pipe 4, an air inlet 43 opened on the inner side of the pressure-splitting steam storage hollow pipe 4, and a return port 46 opened at one end of the outer side of the pressure-splitting steam storage hollow pipe 4;

[0033] The cavity of the pressure-splitting steam storage hollow pipe 4 is equipped with an expandable and deformable steam storage bladder 7. The steam storage bladder 7 is provided with an air inlet 71 and an exhaust 73. The air inlet 71 corresponds to and is connected to the air inlet 43, and the exhaust 73 corresponds to and is connected to the return port 46.

[0034] A compensating return steam pipe 5 is fixed on one side of the pressure-splitting steam storage hollow pipe 4 and is connected to the return port 46. The lower end of the compensating return steam pipe 5 is fixed and connected to the steam regulating pipe 1, and the compensating return steam pipe 5 is located on the side of the pressure-splitting steam storage hollow pipe 4 close to the steam outlet end of the steam regulating pipe 1.

[0035] Both the pressure relief pipe 3 and the compensation return steam pipe 5 are equipped with self-regulating one-way valves 8. When the pressure in the steam regulating pipe 1 is higher than the preset pressure, the self-regulating one-way valve 8 in the pressure relief pipe 3 opens and connects the pressure relief pipe 3 with the air inlet 43, allowing the steam in the steam regulating pipe 1 to enter the steam storage bladder 7. When the pressure in the compensation return steam pipe 5 is lower than the preset pressure, the self-regulating one-way valve 8 in the compensation return steam pipe 5 opens and connects the compensation return steam pipe 5 with the steam regulating pipe 1, allowing the steam stored in the steam storage bladder 7 to flow back to the steam regulating pipe 1 through the exhaust port 73, the return port 46, and the compensation return steam pipe 5 for pressure compensation.

[0036] Based on the above structure, after steam enters the steam regulating pipe 1, when the pressure in the steam regulating pipe 1 is higher than the preset pressure, the self-regulating one-way valve 8 in the pressure relief pipe 3 opens and connects the pressure relief pipe 3 with the air inlet 43, so that the steam in the steam regulating pipe 1 enters the steam storage bladder 7; when the pressure in the steam regulating pipe 1 is lower than the preset pressure, the self-regulating one-way valve 8 in the compensation return steam pipe 5 opens and connects the compensation return steam pipe 5 with the steam regulating pipe 1, so that the steam stored in the steam storage bladder 7 flows back to the steam regulating pipe 1 through the exhaust port 73, the return port 46 and the compensation return steam pipe 5 for pressure compensation;

[0037] This achieves automatic real-time adjustment without relying on the detection results of the pressure detection element (the pressure detection valve 2 mentioned in the prior art and later). Relatively speaking, the response is more timely and stable and reliable. It avoids greater damage to the steam regulating pipe 1 when the pressure detection element is damaged or the detected pressure value is incorrect. As a result, the waste heat power generation high-pressure sealing regulating device is more stable and reliable in actual use and has a better effect.

[0038] Furthermore, a partition plate 41 is fixed inside the cavity of the pressure-splitting steam storage hollow pipe 4. The partition plate 41 is provided with multiple partition plates and divides the cavity into multiple steam storage chambers 42 that are evenly arranged vertically.

[0039] Multiple steam bladders 7 are provided and are located in multiple steam storage chambers 42 respectively. A diversion air hole 72 is opened at the upper end of the steam bladder 7. The diversion air hole 72 on the lower steam bladder 7 is connected to the air inlet 71 on the upper steam bladder 7 through a connecting pipe. A self-adjusting one-way valve 8 is installed in the connecting pipe. The self-adjusting one-way valve 8 in the connecting pipe opens when the lower steam bladder 7 is filled with steam and deforms to fill the steam storage chamber 42, and when steam is further introduced, so that excess steam enters the upper steam bladder 7 from the lower steam bladder 7.

[0040] By dividing the cavity of the pressure-splitting steam storage hollow pipe 4 into multiple steam storage chambers 42, and providing a steam storage bladder 7 in each steam storage chamber 42, and connecting the multiple steam storage bladders 7 in one direction through a connecting pipe and a self-regulating one-way valve 8, when the lower steam storage bladder 7 stores enough steam (i.e., the steam storage bladder 7 expands and deforms to fill the steam storage chamber 42), the steam continuing to enter the lower steam storage bladder 7 increases the pressure inside the steam storage bladder 7, thereby opening the self-regulating one-way valve 8 and allowing the excess steam in the lower steam storage bladder 7 to enter the upper steam storage bladder 7. This achieves multi-stage, pressure-progressive separate steam storage, which can be used under different high-pressure conditions and can also achieve automatic graded steam storage. Relying on the detection results of the pressure detection element, it has better practicality.

[0041] Furthermore, the connecting pipe includes a graded connecting rigid pipe 44 and a graded connecting flexible pipe 45. The graded connecting rigid pipe 44 is fixedly inserted through the partition 41 and its upper end is connected to the air inlet 71 at the lower end of the air storage bag 7. The upper end of the graded connecting flexible pipe 45 is fixed and connected to the lower end of the graded connecting rigid pipe 44, and the lower end of the graded connecting flexible pipe 45 is connected to the diversion air hole 72 at the upper end of the air storage bag 7.

[0042] The self-regulating check valve 8 is installed inside the graded connecting rigid pipe 44;

[0043] The self-regulating check valve 8 includes a valve plate 81, a tension spring 82 and a bracket 83. The valve plate 81 is slidably installed inside the pipe fitting. The bracket 83 is a horizontal bracket and its end is fixed to the inner wall of the pipe fitting. The two ends of the tension spring 82 are fixed to the valve plate 81 and the bracket 83 respectively.

[0044] Among them, the inner valve plate 81 located in the pressure relief pipe 3 and the connecting pipe is located at the upper end of the support 83, and the inner valve plate 81 located in the compensation return steam pipe 5 is located at the lower end of the support 83.

[0045] When the pressure in the steam regulating pipe 1 is higher than the preset pressure, the valve plate 81 in the pressure relief pipe 3 overcomes the tension of the tension spring 82 under the action of pressure, so that the valve plate 81 rises and moves to the upper end of the air inlet 43, thereby realizing the connection between the steam regulating pipe 1 and the steam storage bag 7, and finally realizing the effect of high pressure steam in the steam regulating pipe 1 entering the steam storage bag 7 for storage and pressure relief.

[0046] When the lower steam bladder 7 is full of steam, more steam enters the steam bladder 7, which further increases the pressure inside the steam bladder 7. This causes the self-regulating check valve 8 in the staged connecting hard pipe 44 to open, allowing excess steam in the lower steam bladder 7 to enter the upper steam bladder 7, thereby achieving the purpose of staged pressure relief.

[0047] Furthermore, a number of vertically arranged pressure-reducing branch pipes 51 are fixed and connected to one side of the compensation return steam pipe 5. Multiple return ports 46 are opened and correspond one-to-one with the multiple pressure-reducing branch pipes 51. The multiple return ports 46 also correspond one-to-one with the multiple exhaust holes 73 on the multiple steam storage bags 7.

[0048] A self-regulating check valve 8 is also installed on the inner side of the connection between the pressure-returning branch pipe 51 and the compensation return steam pipe 5. The self-regulating check valve 8 is used to open when a negative pressure is formed in the compensation return steam pipe 5, so that the steam in the steam storage bag 7 flows into the compensation return steam pipe 5 through the exhaust port 73, the return port 46, and the pressure-returning branch pipe 51. In this way, the steam stored in the steam storage bag 7 can be returned to the steam regulating pipe 1 for pressure compensation when the pressure in the steam regulating pipe 1 is lower than the preset pressure.

[0049] Furthermore, a pressure detection valve 2 is fixedly installed on one side of the steam outlet end of the steam regulating pipe 1, and a booster pump 6 is fixed on one side of the steam inlet end of the steam regulating pipe 1 by a fixing bracket. The inlet end of the booster pump 6 is fixed and connected to the main pipe and the temporary steam suction pipe 61. The outlet end of the booster pump 6 is fixed and connected to the booster pipe 62. The lower end of the booster pipe 62 is fixed and connected to the steam regulating pipe 1.

[0050] The topmost graded connecting rigid pipe 44 is fixedly inserted through the top of the pressure-splitting steam storage hollow pipe 4, and a self-regulating one-way valve 8 is also installed inside the topmost graded connecting rigid pipe 44.

[0051] One end of the temporary steam intake pipe 61 is fixedly sleeved outside the uppermost graded connecting hard pipe 44 and connected to the graded connecting hard pipe 44. The self-regulating check valve 8 in the uppermost graded connecting hard pipe 44 is used to open when the booster pump 6 is started, so that the steam stored in the steam storage bag 7 enters the booster pump 6 through the temporary steam intake pipe 61 and then enters the steam regulating pipe 1 again through the booster pipe 62.

[0052] By using the existing booster pump 6 and pressure detection valve 2, and connecting the air inlet of booster pump 6 to the uppermost staged connecting rigid pipe 44, when pressure detection valve 2 detects that the pressure in steam regulating pipe 1 is too low and external pressurization is required, booster pump 6 opens and mixes external pressurized gas or high-pressure steam with the remaining steam in steam storage bladder 7 and adds it to steam regulating pipe 1. This satisfies the external pressurization requirement and allows the remaining steam in steam storage bladder 7 to be utilized while external pressurization is being performed, reducing the amount of pressure replenishment required and saving more energy.

[0053] The working principle of this utility model is as follows: During daily use, when steam enters the steam regulating pipe 1 and the pressure inside the steam regulating pipe 1 is higher than the preset pressure, the valve plate 81 in the pressure relief pipe 3 overcomes the tension of the tension spring 82 under the action of pressure, thereby causing the valve plate 81 to rise and move to the upper end of the air inlet 43, so that the pressure relief pipe 3 is connected to the air inlet 43, thereby realizing the connection between the steam regulating pipe 1 and the steam storage bag 7, allowing the steam in the steam regulating pipe 1 to enter the steam storage bag 7; when the pressure inside the steam regulating pipe 1 is lower than the preset pressure, the self-adjusting one-way valve 8 in the compensation return steam pipe 5 opens, and at the same time, the self-adjusting one-way valve 8 in the pressure distribution return branch pipe 51 opens, connecting the compensation return steam pipe 5 and the steam regulating pipe 1, and allowing the steam in the steam storage bag 7 to return to the steam regulating pipe 1 through the exhaust hole 73, the return port 46, the pressure distribution return branch pipe 51 and the compensation return steam pipe 5 for pressure compensation;

[0054] This achieves automatic real-time adjustment without relying on the detection results of pressure detection elements. Relatively speaking, the response is more timely and stable and reliable. It avoids greater damage to the steam regulating pipe 1 when the pressure detection element is damaged or the detected pressure value is incorrect. As a result, the waste heat power generation high-pressure sealing regulating device is more stable and reliable in actual use and has a better performance.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-pressure sealing and regulating device for waste heat power generation, comprising a steam regulating pipe (1), characterized in that: A pressure relief pipe (3) is fixed and connected to the upper part of the steam inlet end of the steam regulating pipe (1). A pressure-splitting steam storage hollow pipe (4) is fixed and connected to the upper end of the pressure relief pipe (3). A channel communicating with the pressure relief pipe (3) is provided in the middle of the pressure-splitting steam storage hollow pipe (4). A cavity is opened inside the pressure-splitting steam storage hollow pipe (4). An air inlet (43) is opened on the inner side of the pressure-splitting steam storage hollow pipe (4). A return port (46) is opened at one end of the outer side of the pressure-splitting steam storage hollow pipe (4). The cavity of the pressure-splitting steam storage hollow pipe (4) is equipped with a steam storage bladder (7) that can expand and deform. The steam storage bladder (7) is provided with an air inlet (71) and an exhaust port (73). The air inlet (71) corresponds to and is connected to the air inlet (43). The exhaust port (73) corresponds to and is connected to the return port (46). A compensating return steam pipe (5) connected to the return port (46) is fixed on one side of the pressure-splitting steam storage hollow pipe (4). The lower end of the compensating return steam pipe (5) is fixed and connected to the steam regulating pipe (1), and the compensating return steam pipe (5) is located on the side of the pressure-splitting steam storage hollow pipe (4) close to the steam outlet end of the steam regulating pipe (1). The pressure relief pipe (3) and the compensation return steam pipe (5) are both equipped with self-regulating one-way valves (8). The self-regulating one-way valve (8) in the pressure relief pipe (3) opens and connects the pressure relief pipe (3) and the air inlet (43) when the pressure in the steam regulating pipe (1) is higher than the preset pressure, so that the steam in the steam regulating pipe (1) enters the steam storage bladder (7). The self-regulating one-way valve (8) in the compensation return steam pipe (5) opens and connects the compensation return steam pipe (5) and the steam regulating pipe (1) when the pressure in the steam regulating pipe (1) is lower than the preset pressure, so that the steam stored in the steam storage bladder (7) flows back to the steam regulating pipe (1) through the exhaust hole (73), the return port (46) and the compensation return steam pipe (5) for pressure compensation.

2. The waste heat power generation high-pressure sealing regulation device according to claim 1, characterized in that: The cavity of the pressure-splitting steam storage hollow tube (4) is fixed with a partition (41), and the partition (41) is provided with multiple partitions that divide the cavity into multiple steam storage cavities (42) that are evenly arranged vertically. The steam storage bladder (7) is provided with multiple steam storage chambers (42) respectively. The upper end of the steam storage bladder (7) is provided with a diversion air hole (72). The diversion air hole (72) on the lower steam storage bladder (7) is connected to the air inlet (71) on the upper steam storage bladder (7) through a connecting pipe. A self-adjusting one-way valve (8) is installed in the connecting pipe. The self-adjusting one-way valve (8) in the connecting pipe opens when the lower steam storage bladder (7) is filled with steam and deforms to fill the steam storage chamber (42) and further steam enters, so that excessive steam enters the upper steam storage bladder (7) from the lower steam storage bladder (7).

3. The waste heat power generation high-pressure sealing regulation device according to claim 2, characterized in that: The self-regulating one-way valve (8) includes a valve plate (81), a tension spring (82) and a bracket (83). The valve plate (81) is slidably installed inside the pipe fitting. The bracket (83) is a horizontal bracket and its end is fixed to the inner wall of the pipe fitting. The two ends of the tension spring (82) are fixed to the valve plate (81) and the bracket (83) respectively. The inner valve plate (81) of the pressure relief pipe (3) and the connecting pipe is located at the upper end of the support (83), and the inner valve plate (81) of the compensation return steam pipe (5) is located at the lower end of the support (83).

4. The waste heat power generation high-pressure sealing regulation device according to claim 2, characterized in that: The connecting pipe includes a graded connecting rigid pipe (44) and a graded connecting flexible pipe (45). The graded connecting rigid pipe (44) is fixedly inserted through the partition (41) and its upper end is connected to the air inlet (71) at the lower end of the air storage bag (7). The upper end of the graded connecting flexible pipe (45) is fixed and connected to the lower end of the graded connecting rigid pipe (44). The lower end of the graded connecting flexible pipe (45) is connected to the diversion air hole (72) at the upper end of the air storage bag (7). The self-regulating check valve (8) is installed inside the graded connecting rigid pipe (44).

5. The waste heat power generation high-pressure sealing regulation device according to claim 4, characterized in that: The compensation return steam pipe (5) is fixed on one side and connected to multiple vertically arranged pressure distribution return branch pipes (51). The return port (46) is provided with multiple ports and corresponds one-to-one with the multiple pressure distribution return branch pipes (51). The multiple return ports (46) also correspond one-to-one with the multiple exhaust holes (73) on the multiple steam storage bags (7). A self-regulating check valve (8) is also installed on the inner side of the connection between the pressure-return branch pipe (51) and the compensation return steam pipe (5). The self-regulating check valve (8) is used to open when a negative pressure is formed in the compensation return steam pipe (5), and allow the steam in the steam storage bag (7) to flow into the compensation return steam pipe (5) through the exhaust hole (73), the return port (46), and the pressure-return branch pipe (51).

6. The waste heat power generation high-pressure sealing regulation device according to claim 4, characterized in that: A pressure detection valve (2) is fixedly installed on one side of the steam outlet end of the steam regulating pipe (1). A booster pump (6) is fixed on one side of the steam inlet end of the steam regulating pipe (1) by a fixing bracket. The inlet end of the booster pump (6) is fixed and connected to the main pipe and the temporary steam suction pipe (61). The outlet end of the booster pump (6) is fixed and connected to the booster pipe (62). The lower end of the booster pipe (62) is fixed and connected to the steam regulating pipe (1). The uppermost graded connecting hard pipe (44) is fixedly inserted through the top of the pressure-splitting steam storage hollow pipe (4), and a self-regulating one-way valve (8) is also installed inside the uppermost graded connecting hard pipe (44). One end of the temporary steam intake pipe (61) is fixedly sleeved outside the uppermost graded connecting hard pipe (44) and connected to the graded connecting hard pipe (44). The self-regulating one-way valve (8) in the uppermost graded connecting hard pipe (44) is used to open when the booster pump (6) is started, so that the steam stored in the steam storage bag (7) enters the booster pump (6) through the temporary steam intake pipe (61) and enters the steam regulating pipe (1) again through the booster pipe (62).

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