A saturated steam type temperature and pressure reduction system

Abstract

The present invention discloses a saturated steam type temperature and pressure reduction system, comprising: a pressure reducing component, which comprises a pressure reducing support component, a pressure reducing adjustment component and an auxiliary temperature reducing component, wherein the pressure reducing adjustment component reduces the pressure of the input saturated steam in the pressure reducing support component, and the auxiliary temperature reducing component performs auxiliary temperature reduction on the saturated steam in the pressure reducing support component; a temperature reducing component, which comprises a temperature reducing shell and a radiator, wherein the radiator receives the saturated steam after being reduced pressure delivered by the pressure reducing adjustment component in the temperature reducing shell, and the temperature reducing water continuously input and output in the temperature reducing shell cools the radiator. The present invention has a simple structural design, a small overall system size, high temperature and pressure reduction efficiency, low noise, can automatically adjust the pressure reduction amount of saturated steam, has a large temperature and pressure reduction load adjustment range, avoids the use of a pressure reducing valve, and effectively prevents the valve core of the pressure reducing valve from being damaged, the sealing is not tight, and the safety risks of noise and cavitation are easily generated during the pressure reduction process.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature reduction and pressure reduction, and more specifically, to a saturated steam type temperature reduction and pressure reduction system. Background Art

[0002] Temperature and pressure reduction devices are widely used in the electric power, textile and petrochemical industries. They can reduce the temperature and pressure of high-temperature and high-pressure steam delivered from industrial boilers or thermal power plants, so that the temperature and pressure parameters of the treated steam meet the requirements of the production process.

[0003] In a traditional cooling and pressure reducing device, cooling water needs to be sprayed through an atomizing nozzle in the low-pressure superheated steam in the venturi tube of the desuperheater, and the cooling water can be contacted with the steam and quickly atomized under the condition of the steam flow rate in the load range of 30% to 100%, and mixed with the steam and vaporized at the same time, so as to achieve the effect of cooling and reducing the pressure of saturated steam. The existing method of spraying cooling water through an atomizing nozzle has a complex and cumbersome overall structure, the flow rate of cooling water and the outlet steam temperature are not easy to control, the load adjustment range is limited, and the use of a pressure reducing valve in a traditional cooling and pressure reducing device makes the valve core of the pressure reducing valve easy to be damaged, the sealing is not tight, and it is easy to generate noise and cavitation during the pressure reducing process, which poses a great safety risk. Summary of the invention

[0004] In order to overcome the above defects, the present invention provides a saturated steam type temperature and pressure reduction system, which specifically adopts the following technical solutions:

[0005] A saturated steam type temperature and pressure reduction system, comprising:

[0006] A decompression member, comprising a decompression support member, a decompression adjustment member and an auxiliary temperature reduction member, wherein the decompression adjustment member decompresses the input saturated steam in the decompression support member, and the auxiliary temperature reduction member auxiliaryly cools the saturated steam in the decompression support member;

[0007] The cooling component is connected to the pressure reducing component and comprises a cooling shell and a radiator. The radiator receives the saturated steam after the pressure reduction delivered by the pressure reducing adjusting component in the cooling shell. The cooling water continuously input and output in the cooling shell cools the radiator.

[0008] Preferably, the decompression support member includes a decompression support shell and a decompression support leg, the decompression support shell is in the shape of a large-diameter circular tube, one end of the decompression support leg is arranged on the side wall of the decompression support shell, and a plurality of the decompression support legs are evenly distributed around the circumference of the decompression support shell.

[0009] Preferably, the pressure reducing adjusting component comprises a first pressure reducing adjusting component, a second pressure reducing adjusting component and a pressure reducing exhaust component, and the first pressure reducing adjusting component, the second pressure reducing adjusting component and the pressure reducing exhaust component are all arranged on the pressure reducing support shell; the first pressure reducing adjusting component comprises a first pressure reducing inner tube, a first pressure reducing outer tube, a first telescopic pressure reducing component and a saturated steam input component, the first pressure reducing inner tube is embedded in the pressure reducing support shell, and the axis of the first pressure reducing inner tube coincides with the axis of the pressure reducing support shell, the first pressure reducing outer tube is embedded in the pressure reducing support shell, and the first pressure reducing outer tube is sleeved on the outside of the first pressure reducing inner tube, a first annular pressure reducing chamber is formed between the first pressure reducing outer tube and the first pressure reducing inner tube, and the inner cavity of the first pressure reducing inner tube forms a first auxiliary temperature reducing chamber.

[0010] Preferably, the first telescopic decompression component includes a telescopic decompression adjustment power component and a telescopic decompression adjustment component, the telescopic decompression adjustment power component is arranged on the decompression support shell, and the telescopic decompression adjustment component is arranged on the telescopic decompression adjustment power component and the first decompression inner tube; the telescopic decompression adjustment power component includes a telescopic decompression adjustment transmission plate, a first motor and an adjustment gear, the telescopic decompression adjustment transmission plate is in the shape of an arc plate, and a sliding seal is performed between the outer wall of the telescopic decompression adjustment transmission plate and the inner wall of the first decompression outer tube; the first motor is arranged on the outer wall of the first decompression outer tube, the adjustment gear is arranged on the rotating shaft of the first motor, and the gear teeth of the adjustment gear penetrate through the first decompression outer tube and mesh with the teeth on the outer wall of the telescopic decompression adjustment transmission plate.

[0011] Preferably, the telescopic decompression adjustment part includes a telescopic decompression adjustment plate and a telescopic decompression adjustment groove, the telescopic decompression adjustment plate is in the shape of a rectangular plate, and is provided with decompression holes, the decompression holes are in the shape of trumpet holes, and a plurality of the decompression holes are distributed in a matrix on the telescopic decompression adjustment plate; one side of the telescopic decompression adjustment plate is embedded in the first rotating groove on the outer wall of the first decompression inner tube through the first rotating shaft provided thereon, and the two ends of the telescopic decompression adjustment plate are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell.

[0012] Preferably, the telescopic decompression adjustment groove is in the shape of a rectangular groove, the telescopic decompression adjustment groove sliding seal sleeve is mounted on the other side of the telescopic decompression adjustment plate, and the second rotating shaft arranged on the bottom of the telescopic decompression adjustment groove is embedded in the second rotating groove on the inner wall of the telescopic decompression adjustment transmission plate; a plurality of the telescopic decompression adjustment parts are distributed at equal intervals on the telescopic decompression adjustment transmission plate around the circumference of the first decompression inner tube; two sets of the first telescopic decompression parts are arranged in the first decompression chamber, and the two sets of the first telescopic decompression parts are distributed along the circumference in the first decompression chamber.

[0013] Preferably, a cooling and decompression partition component is further provided in the first decompression chamber, and the cooling and decompression partition component is used to separate the two sets of the first telescopic decompression components from one end; the cooling and decompression partition component includes a cooling and decompression partition plate and a cooling and decompression partition groove, the cooling and decompression partition plate is in the shape of a rectangular plate, one side of the cooling and decompression partition plate is embedded in the third rotating groove on the outer wall of the first decompression inner tube through the third rotating shaft provided thereon, and the two ends of the cooling and decompression partition plate are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell; the cooling and decompression partition groove is in the shape of a rectangular groove, and the groove of the cooling and decompression partition groove The sliding seal sleeve is mounted on the other side of the cooling and decompression partition plate; the bottom of the cooling and decompression partition groove is embedded in the fourth rotating groove on the inner wall of the telescopic decompression adjustment transmission plate through the fourth rotating shaft arranged thereon; the saturated steam input part includes a steam input pipe and a steam input main pipe, the steam input pipe is in the shape of a rectangular tube, one end of the steam input pipe passes through the first decompression inner pipe, and the penetration point is located at the other end separation between the two sets of the first telescopic decompression parts, one end of the steam input main pipe passes through the bottom end surface of the decompression support shell and is connected to the other end of the steam input pipe.

[0014] Preferably, the second pressure reducing adjustment member includes a second pressure reducing inner tube, a relay selection ventilation member, a second pressure reducing outer tube and a second telescopic pressure reducing member, the inner diameter of the second pressure reducing inner tube is larger than the outer diameter of the first pressure reducing outer tube, the second pressure reducing inner tube is embedded in the pressure reducing support shell, and the axis of the second pressure reducing inner tube coincides with the axis of the first pressure reducing outer tube; the closed chamber formed between the second pressure reducing inner tube and the first pressure reducing outer tube is a second auxiliary cooling chamber; the relay selection ventilation member includes a relay selection ventilation pipe and a relay selection ventilation valve, one end of the relay selection ventilation pipe passes through the first pressure reducing outer tube, and the other end of the relay selection ventilation pipe passes through the second pressure reducing inner tube, and the relay selection ventilation valve is embedded in the relay selection ventilation pipe to control the passage and disconnection of the relay selection ventilation pipe; the relay selection ventilation member is provided with two sets, and the two sets of the relay selection ventilation members are respectively connected to the partitions at both ends between the two sets of the first telescopic pressure reducing members.

[0015] Preferably, the inner diameter of the second decompression outer tube is larger than the outer diameter of the second decompression inner tube, the second decompression outer tube is embedded in the decompression support shell, and the second decompression outer tube is sleeved outside the second decompression inner tube, an annularly sealed second decompression chamber is formed between the second decompression outer tube and the second decompression inner tube, and a third auxiliary temperature reduction chamber is formed between the second decompression outer tube and the inner wall of the decompression support shell; the second telescopic decompression member has the same structure as the first telescopic decompression member, and the specific size of the second telescopic decompression member matches the second decompression inner tube and the second decompression outer tube; the second telescopic decompression member is provided with two sets, and the two sets of the second telescopic decompression members are distributed circumferentially in the second decompression chamber; the decompression exhaust member includes a decompression exhaust support The invention relates to a pipe, a decompression discharge pipe, a decompression discharge confluence pipe and a decompression discharge main pipe, wherein the decompression discharge branch pipe is in a rectangular tube shape, one end of the decompression discharge branch pipe penetrates into the decompression support shell and then penetrates the side wall of the second decompression outer pipe, and the penetration point is located between one end of the two sets of second telescopic decompression parts; the penetration points of the two decompression discharge branch pipes and the decompression support shell are respectively located between the two ends of the two sets of second telescopic decompression parts; one end of the decompression discharge pipe is connected with the other end of the decompression discharge branch pipe, and the two decompression discharge pipes correspond to the two decompression discharge branch pipes one by one; the two ends of the decompression discharge confluence pipe are respectively connected with the other ends of the two decompression discharge pipes, and one end of the decompression discharge main pipe is connected with the decompression discharge confluence pipe.

[0016] Preferably, the auxiliary cooling component comprises an auxiliary cooling liquid input component and an auxiliary cooling liquid output component, and the auxiliary cooling liquid input component and the auxiliary cooling liquid output component are both arranged on the decompression support shell; the auxiliary cooling liquid input component comprises an auxiliary cooling input branch pipe, an auxiliary cooling input main pipe and a turbulence plate, one end of the auxiliary cooling input branch pipe is vertically connected to the bottom surface of the decompression support shell, and a plurality of the auxiliary cooling input branch pipes are respectively connected to the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber; one end of the auxiliary cooling input main pipe is respectively connected to a plurality of auxiliary The other end of the cooling input branch pipe is connected through; the auxiliary cooling liquid output component includes an auxiliary cooling output branch pipe and an auxiliary cooling output main pipe, one end of the auxiliary cooling output branch pipe is connected through the top surface of the decompression support shell, and multiple auxiliary cooling output branch pipes are respectively connected with the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber; one end of the auxiliary cooling output main pipe is respectively connected with the other ends of multiple auxiliary cooling output branch pipes; multiple turbulence plates are respectively arranged in the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber.

[0017] The present invention has at least the following beneficial effects:

[0018] 1) The saturated steam type temperature and pressure reduction system of the present invention has a simple structural design, a small overall system size, high temperature and pressure reduction efficiency, low noise, can automatically adjust the pressure reduction amount of saturated steam, has a large temperature and pressure reduction load adjustment range, avoids the use of a pressure reducing valve, and effectively prevents the valve core of the pressure reducing valve from being damaged, poorly sealed, easily generating noise, and the safety risks of cavitation during the pressure reduction process;

[0019] 2) The saturated steam type temperature and pressure reduction system of the present invention is provided with a telescopic pressure reduction adjustment power member and a telescopic pressure reduction adjustment member, and the telescopic pressure reduction adjustment power member automatically controls the exposed area of ​​the pressure reduction hole on the telescopic pressure reduction adjustment member according to the pressure reduction requirement, thereby automatically controlling the pressure reduction amount of the saturated steam;

[0020] 3) The saturated steam type temperature reduction and pressure reduction system of the present invention is provided with a temperature reduction and pressure reduction partition component, which separates two sets of the first telescopic pressure reduction components in the first pressure reduction chamber. By controlling two relay selection ventilation valves, one of which is closed and the other is opened, one set of the first telescopic pressure reduction components and two sets of the first telescopic pressure reduction components can be controlled to be used simultaneously, which significantly improves the saturated steam pressure reduction load adjustment range and pressure reduction efficiency;

[0021] 4) The saturated steam type cooling and pressure reduction system of the present invention is provided with an auxiliary cooling component, which wraps the first pressure reduction chamber and the second pressure reduction chamber in cooling water, thereby blocking the noise leakage of the first pressure reduction chamber and the second pressure reduction chamber during the pressure reduction process, and significantly reducing the system noise.

[0022] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view of the pressure reducing component in the saturated steam type temperature and pressure reducing system of the present invention;

[0024] Figure 2 A top view of a pressure reducing component in a saturated steam type temperature and pressure reducing system of the present invention;

[0025] Figure 3 It is a bottom-up three-dimensional structural schematic diagram of a pressure reducing component in the saturated steam type temperature and pressure reducing system of the present invention;

[0026] Figure 4 It is a pressure reducing component in the saturated steam type temperature and pressure reducing system of the present invention. Figure 1 The first main view of the section in the AA direction;

[0027] Figure 5 It is a pressure reducing component in the saturated steam type temperature and pressure reducing system of the present invention. Figure 1 The second main view of the section in the middle AA direction;

[0028] Figure 6 It is a pressure reducing component in the saturated steam type temperature and pressure reducing system of the present invention. Figure 1 Schematic diagram of the three-dimensional structure of the cross section in the AA direction;

[0029] Figure 7 It is a pressure reducing component in the saturated steam type temperature and pressure reducing system of the present invention. Figure 6 A partial enlarged view of B in the middle;

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the telescopic pressure reducing adjustment plate in the saturated steam type temperature reducing and pressure reducing system of the present invention;

[0031] Fig. 9 It is a schematic diagram of the three-dimensional structure of the longitudinal section of the telescopic pressure reducing adjustment plate in the saturated steam type temperature reducing and pressure reducing system of the present invention;

[0032] Fig.10 It is a three-dimensional structural schematic diagram of the relay selection ventilation parts of the saturated steam type temperature and pressure reduction system of the present invention;

[0033] Fig.11 It is a schematic diagram of the longitudinal cross-section of the three-dimensional structure of the relay selection ventilation component of the saturated steam type temperature reduction and pressure reduction system of the present invention.

[0034] Wherein: 1-decompression support shell, 2-decompression support leg, 3-first decompression inner tube, 4-first decompression outer tube, 5-telescopic decompression adjustment transmission plate, 6-first motor, 7-telescopic decompression adjustment plate, 8-telescopic decompression adjustment groove, 9-decompression hole, 10-first rotating shaft, 11-temperature reduction and decompression partition plate, 12-temperature reduction and decompression partition groove, 13-steam input pipe, 14-steam input main pipe, 15-second decompression inner tube, 16-second decompression outer tube, 17-relay selection ventilation pipe, 18-valve body, 19-valve core, 20-second motor, 21-decompression discharge branch pipe, 22-decompression discharge pipe, 23-decompression discharge manifold, 24-decompression discharge main pipe, 25-auxiliary temperature reduction input branch pipe, 26-auxiliary temperature reduction input main pipe, 27-turbulator, 28-auxiliary temperature reduction output branch pipe, 29-auxiliary temperature reduction output main pipe, 30-second telescopic decompression member. DETAILED DESCRIPTION

[0035] The technical solution of the present invention will be described in detail below by way of embodiments with reference to the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0036] The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. The term " / and" in this article describes another type of association object relationship, indicating that there can be two relationships. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship.

[0037] according to Figure 1-Figure 11 As shown, a saturated steam type temperature and pressure reduction system includes a pressure reducing component and a temperature reducing component, and the temperature reducing component is connected to the pressure reducing component. The pressure reducing component includes a pressure reducing support component, a pressure reducing adjustment component and an auxiliary temperature reducing component, and the pressure reducing adjustment component and the auxiliary temperature reducing component are both arranged on the pressure reducing support component. The pressure reducing support component includes a pressure reducing support shell 1 and a pressure reducing support leg 2, the pressure reducing support shell 1 is in the shape of a large diameter circular tube, and both end surfaces of the pressure reducing support shell 1 are closed, one end of the pressure reducing support leg 2 is fixedly arranged on the side wall of the pressure reducing support shell 1, and four pressure reducing support legs 2 are evenly distributed around the pressure reducing support shell 1 in the circumferential direction, so that the pressure reducing support shell 1 is installed on the ground through the pressure reducing support legs 2.

[0038] The decompression adjustment member includes a first decompression adjustment member, a second decompression adjustment member and a decompression exhaust member, and the first decompression adjustment member, the second decompression adjustment member and the decompression exhaust member are all arranged on the decompression support shell 1. The first decompression adjustment member includes a first decompression inner tube 3, a first decompression outer tube 4, a first telescopic decompression member and a saturated steam input member, and the first decompression inner tube 3, the first decompression outer tube 4 and the saturated steam input member are all arranged on the decompression support shell 1, and the first telescopic decompression member is arranged on the first decompression inner tube 3 and the first decompression outer tube 4. The first decompression inner tube 3 is embedded in the decompression support shell 1, and the two end surfaces of the first decompression inner tube 3 are fixedly arranged on the two end surfaces of the decompression support shell 1, and the axis of the first decompression inner tube 3 coincides with the axis of the decompression support shell 1. The inner diameter of the first decompression outer tube 4 is larger than the outer diameter of the first decompression inner tube 3. The first decompression outer tube 4 is embedded in the decompression support shell 1, and the two end surfaces of the first decompression outer tube 4 are fixedly arranged on the two end surfaces of the decompression support shell 1. At the same time, the first decompression outer tube 4 is sleeved outside the first decompression inner tube 3, so that an annular first decompression chamber is formed between the first decompression outer tube 4 and the first decompression inner tube 3 for saturated steam to flow and reduce pressure. The inner cavity of the first decompression inner tube 3 constitutes a first auxiliary temperature reduction chamber.

[0039] The first telescopic decompression member includes a telescopic decompression adjustment power member and a telescopic decompression adjustment member. The telescopic decompression adjustment power member is arranged on the decompression support shell 1, and the telescopic decompression adjustment member is arranged on the telescopic decompression adjustment power member and the first decompression inner tube 3. The telescopic decompression adjustment power member includes a telescopic decompression adjustment transmission plate 5, a first motor 6 and an adjustment gear. The telescopic decompression adjustment transmission plate 5 is in the shape of an arc plate. The radius of the arc of the outer wall of the telescopic decompression adjustment transmission plate 5 is the same as the radius of the inner wall of the first decompression outer tube 4. The outer wall of the telescopic decompression adjustment transmission plate 5 is attached to the inner wall of the first decompression outer tube 4, and the outer wall of the telescopic decompression adjustment transmission plate 5 and the inner wall of the first decompression outer tube 4 are subjected to sliding sealing treatment. At the same time, the two ends of the telescopic decompression adjustment transmission plate 5 are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell 1. The first motor 6 is fixedly arranged on the outer wall of the first decompression outer tube 4, and the adjustment gear is fixedly arranged on the rotating shaft of the first motor 6, and the gear teeth of the adjustment gear penetrate the first decompression outer tube 4 and mesh with the teeth on the outer wall of the telescopic decompression adjustment transmission plate 5. The teeth are evenly distributed along the outer wall of the telescopic decompression adjustment transmission plate 5 circumferentially, so that the first motor 6 drives the telescopic decompression adjustment transmission plate 5 to slide in a circumferential reciprocating sealing manner along the inner wall of the first decompression outer tube 4 through the adjustment gear and the teeth.

[0040] The telescopic decompression adjustment member includes a telescopic decompression adjustment plate 7 and a telescopic decompression adjustment groove 8. The telescopic decompression adjustment plate 7 is in the shape of a rectangular plate. The telescopic decompression adjustment plate 7 is provided with a decompression hole 9. The decompression hole 9 is in the shape of a trumpet hole. A plurality of the decompression holes 9 are distributed in a matrix on the telescopic decompression adjustment plate 7. A first rotating shaft 10 is fixedly provided on one side of the telescopic decompression adjustment plate 7. The first rotating shaft 10 is fitted in the first rotating groove on the outer wall of the first decompression inner tube 3, and the first rotating shaft 10 can rotate in the first rotating groove, thereby allowing the telescopic decompression adjustment plate 7 to rotate around the first rotating groove through the first rotating shaft 10. Furthermore, a rotational sealing treatment is performed between the first rotating shaft 10 and the first rotating groove, and the two ends of the telescopic decompression adjustment plate 7 are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell 1.

[0041] The telescopic decompression adjustment groove 8 is in the shape of a rectangular groove, and the telescopic decompression adjustment groove 8 is slidably mounted on the other side of the telescopic decompression adjustment plate 7, so that the other side of the telescopic decompression adjustment plate 7 can be sealed and slid in the telescopic decompression adjustment groove 8 along the groove depth direction. A second rotating shaft is arranged on the bottom of the telescopic decompression adjustment groove 8, and the second rotating shaft is fitted in the second rotating groove on the inner wall of the telescopic decompression adjustment transmission plate 5, and the second rotating shaft can rotate in the second rotating groove, thereby allowing the telescopic decompression adjustment groove 8 to rotate around the second rotating groove through the second rotating shaft. When the first motor 6 drives the telescopic decompression adjustment transmission plate 5 to rotate circumferentially, the telescopic decompression adjustment transmission plate 5 will pull the telescopic decompression adjustment groove 8 through the second rotating shaft to adjust the area of ​​the telescopic decompression adjustment groove 8 on the telescopic decompression adjustment plate 7, and then adjust the covering and sealing amount of the decompression hole 9 to achieve the adjustment of the decompression amount of the saturated steam.

[0042] There are multiple telescopic decompression adjustment members, which are evenly spaced around the circumference of the first decompression inner tube 3 on the telescopic decompression adjustment transmission plate 5. Two sets of the first telescopic decompression members are provided in the first decompression chamber, and the two sets of the first telescopic decompression members are symmetrically distributed in the first decompression chamber.

[0043] A cooling and decompression partition component is also provided in the first decompression chamber, and the cooling and decompression partition component is used to separate the two sets of the first telescopic decompression components from one end. Specifically, the cooling and decompression partition component includes a cooling and decompression partition plate 11 and a cooling and decompression partition groove 12. The cooling and decompression partition plate 11 is in the shape of a rectangular plate. A third rotating shaft is provided on one side of the cooling and decompression partition plate 11. The third rotating shaft is fitted in the third rotating groove on the outer wall of the first decompression inner tube 3, and the cooling and decompression partition plate 11 is located between one end of the two sets of the first telescopic decompression components to separate the two sets of the first telescopic decompression components from one end, so that the two sets of the first telescopic decompression components can be used together or separately. Furthermore, the two ends of the cooling and decompression partition plate 11 are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell 1. The cooling and decompression partition groove 12 is in the shape of a rectangular groove, and the notch sliding sealing sleeve of the cooling and decompression partition groove 12 is mounted on the other side of the cooling and decompression partition plate 11. A fourth rotating shaft is arranged on the bottom of the cooling and decompression partition groove 12, and the fourth rotating shaft is cooperated and embedded in the fourth rotating groove on the inner wall of the telescopic decompression adjustment transmission plate 5, so that the cooling and decompression partition plate 11 can not only separate the first decompression chamber, but also guide the saturated steam entering the first decompression chamber.

[0044] The saturated steam input part includes a steam input pipe 13 and a steam input main pipe 14. The steam input pipe 13 is in a rectangular tube shape. One end of the steam input pipe 13 horizontally penetrates the first decompression inner pipe 3, and its penetration point is located at the other end separation between the two sets of the first telescopic decompression parts. It is used to input saturated steam to be cooled and decompressed into the first decompression inner pipe 3. One end of the steam input main pipe 14 penetrates the bottom end surface of the decompression support shell 1 and is connected to the other end of the steam input pipe 13. The steam input main pipe 14 is used to input saturated steam into the first decompression inner pipe 3 through the steam input pipe 13.

[0045] The second decompression adjustment member includes a second decompression inner tube 15, a relay selection ventilation member, a second decompression outer tube 16 and a second telescopic decompression member 30. The inner diameter of the second decompression inner tube 15 is greater than the outer diameter of the first decompression outer tube 4. The second decompression inner tube 15 is embedded in the decompression support shell 1, and the two end surfaces of the second decompression inner tube 15 are respectively fixedly connected to the two end surfaces of the decompression support shell 1, and the axis of the second decompression inner tube 15 coincides with the axis of the first decompression outer tube 4. The closed chamber formed between the second decompression inner tube 15 and the first decompression outer tube 4 is a second auxiliary temperature reduction chamber. The relay selection ventilation member includes a relay selection ventilation pipe 17 and a relay selection ventilation valve. One end of the relay selection ventilation pipe 17 is horizontally penetrated on the first decompression outer tube 4, and its penetration is located on one side of the temperature reduction and pressure reduction partition member. The other end of the relay selection ventilation pipe 17 is penetrated with the second decompression inner tube 15, so that the relay selection ventilation pipe 17 inputs the saturated steam in the first decompression outer tube 4 into the second decompression inner tube 15.

[0046] The relay selection ventilation valve includes a valve body 18, a valve core 19, and a second motor 20. The valve body 18 is in a rectangular frame shape, and an arc groove is provided on the inner side of the raft body. The valve body 18 is embedded in the relay selection ventilation pipe 17, and the raft body can pass through the two ends of the relay selection ventilation pipe 17. The valve core 19 is in a cylindrical shape, and a relay ventilation through hole is provided on the side of the valve core 19. The valve core 19 is embedded in the arc groove, and the second motor 20 is fixedly arranged on the relay selection ventilation pipe 17, and the rotating shaft of the second motor 20 is fixedly connected to one end of the valve core 19. When the second motor 20 drives the valve core 19 to rotate in the valve body 18, the two ends of the relay selection ventilation pipe 17 can be passed through the relay ventilation through hole, and the two ends of the relay selection ventilation pipe 17 can also be disconnected by rotating the valve core 19. It should be noted that, since the relay selective ventilation valve has only two states, open and closed, it will not be damaged by saturated steam like the pressure reducing valve, and the risk of cavitation will be reduced, thereby reducing the safety of the pressure reducing valve. The relay selective ventilation parts are provided with two sets, and the two sets of the relay selective ventilation parts are respectively connected to the partitions at both ends between the two sets of the first telescopic pressure reducing parts.

[0047] The inner diameter of the second decompression outer tube 16 is larger than the outer diameter of the second decompression inner tube 15. The second decompression outer tube 16 is embedded in the decompression support shell 1, and the second decompression outer tube 16 is sleeved outside the second decompression inner tube 15, so that an annular sealed second decompression chamber is formed between the second decompression outer tube 16 and the second decompression inner tube 15, and the second decompression chamber is used to perform secondary decompression and decompression on the saturated steam transported by the first decompression chamber. The outer diameter of the second decompression outer tube 16 is smaller than the inner wall radius of the decompression support shell 1, and a third auxiliary decompression chamber is formed between the second decompression outer tube 16 and the inner wall of the decompression support shell 1.

[0048] The second telescopic decompression member 30 has the same structure as the first telescopic decompression member, and the specific size of the second telescopic decompression member 30 matches the second decompression inner tube 15 and the second decompression outer tube 16. Two sets of the second telescopic decompression member 30 are provided, and the two sets of the second telescopic decompression member 30 are symmetrically distributed in the second decompression chamber. The two sets of the second telescopic decompression member 30 can be used together or separately as needed.

[0049] It should be noted that, in the process of different saturated steam temperature and pressure reduction requirements, a third pressure reduction adjustment member can be added as needed, and the third pressure reduction adjustment member has the same structure as the second pressure reduction adjustment member, but the component size of the third pressure reduction adjustment member is larger than the component size of the second pressure reduction adjustment member, so that the saturated steam after being decompressed by the second pressure reduction adjustment member can be subjected to a third temperature and pressure reduction treatment by the third pressure reduction adjustment member.

[0050] The decompression exhaust member includes a decompression discharge branch pipe 21, a decompression discharge pipe 22, a decompression discharge manifold 23 and a decompression discharge main pipe 24. The decompression discharge branch pipe 21 is in a rectangular tube shape. One end of the decompression discharge branch pipe 21 penetrates the decompression support shell 1 and then penetrates the side wall of the second decompression outer pipe 16, and its penetration point is located between one end of the two sets of second telescopic decompression members 30. The saturated steam in the second decompression outer pipe 16 after being reduced in temperature and pressure is discharged to the outside. Two decompression discharge branch pipes 21 are provided, and the penetration points of the two decompression discharge branch pipes 21 and the decompression support shell 1 are respectively located between the two ends of the two sets of second telescopic decompression members 30. One end of the decompression discharge pipe 22 is connected to the other end of the decompression discharge branch pipe 21, and the two decompression discharge pipes 22 are arranged one by one with the two decompression discharge branch pipes 21. The two ends of the decompression discharge manifold 23 are connected to the other ends of the two decompression discharge pipes 22. One end of the reduced pressure discharge main pipe 24 is connected to the reduced pressure discharge manifold 23 to transport the saturated steam after multiple temperature reduction and pressure reduction to the temperature reduction component. Furthermore, each of the reduced pressure discharge branch pipes 21 is provided with a selective relay ventilation valve, and the selective relay ventilation valve has the same structure as the relay selective ventilation valve.

[0051] The auxiliary cooling component includes an auxiliary cooling liquid input component and an auxiliary cooling liquid output component, and the auxiliary cooling liquid input component and the auxiliary cooling liquid output component are both arranged on the decompression support shell 1. The auxiliary cooling liquid input component includes an auxiliary cooling input branch pipe 25, an auxiliary cooling input main pipe 26 and a turbulent plate 27. One end of the auxiliary cooling input branch pipe 25 is vertically connected to the bottom surface of the decompression support shell 1. There are three auxiliary cooling input branch pipes 25, and the three auxiliary cooling input branch pipes 25 are respectively connected to the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber. One end of the auxiliary cooling input main pipe 26 is respectively connected to the other ends of the three auxiliary cooling input branch pipes 25. The auxiliary cooling input main pipe 26 is used to input cooling liquid into the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber through the auxiliary cooling input branch pipe 25, so as to pre-cool the saturated steam in the first decompression chamber and the second decompression chamber. The auxiliary cooling liquid output part includes an auxiliary cooling output branch pipe 28 and an auxiliary cooling output main pipe 29. One end of the auxiliary cooling output branch pipe 28 is vertically connected to the top surface of the decompression support shell 1. There are three auxiliary cooling output branch pipes 28, and the three auxiliary cooling output branch pipes 28 are respectively connected to the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber. One end of the auxiliary cooling output main pipe 29 is respectively connected to the other ends of the three auxiliary cooling output branch pipes 28. The auxiliary cooling output main pipe 29 is used to discharge the cooling liquid in the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber through the auxiliary cooling output branch pipe 28 to pre-cool the saturated steam in the first decompression chamber and the second decompression chamber. The turbulence plate 27 is in the shape of a spiral plate, and a plurality of the turbulence plates 27 are respectively arranged in the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber, so as to make the cooling liquid in the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber flow from bottom to top in a turbulent spiral shape, so as to improve the cooling efficiency.

[0052] The desuperheating component includes a desuperheating shell and a radiator. The radiator is embedded in the desuperheating shell, and the radiator input end is connected to the other end of the pressure reducing discharge main pipe 24. The radiator output end cools the saturated steam and discharges it for standby use. The bottom end of the desuperheating shell is connected to a desuperheating water input pipe, and the top end of the desuperheating shell is connected to a desuperheating water output pipe. The desuperheating water input pipe is used to transport desuperheating water into the desuperheating shell to cool the saturated steam in the radiator.

[0053] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A saturated steam type temperature and pressure reduction system, characterized in that: include: A decompression member, comprising a decompression support member, a decompression adjustment member and an auxiliary temperature reduction member, wherein the decompression adjustment member decompresses the input saturated steam in the decompression support member, and the auxiliary temperature reduction member auxiliaryly cools the saturated steam in the decompression support member; A cooling element connected to the pressure reducing element, comprising a cooling shell and a radiator, wherein the radiator receives the saturated steam after being decompressed and delivered by the pressure reducing adjusting element in the cooling shell, and the cooling water continuously input and output in the cooling shell cools the radiator; The decompression adjustment member includes a first decompression adjustment member, a second decompression adjustment member and a decompression exhaust member, and the first decompression adjustment member, the second decompression adjustment member and the decompression exhaust member are all arranged on the decompression support shell of the decompression support member; the first decompression adjustment member includes a first decompression inner tube, a first decompression outer tube, a first telescopic decompression member and a saturated steam input member, the first decompression inner tube is embedded in the decompression support shell, and the axis of the first decompression inner tube coincides with the axis of the decompression support shell, the first decompression outer tube is embedded in the decompression support shell, and the first decompression outer tube is sleeved outside the first decompression inner tube, an annular first decompression chamber is formed between the first decompression outer tube and the first decompression inner tube, and the inner cavity of the first decompression inner tube forms a first auxiliary temperature reduction chamber; The first telescopic decompression component includes a telescopic decompression adjustment power component and a telescopic decompression adjustment component, the telescopic decompression adjustment power component is arranged on the decompression support shell, and the telescopic decompression adjustment component is arranged on the telescopic decompression adjustment power component and the first decompression inner tube; the telescopic decompression adjustment power component includes a telescopic decompression adjustment transmission plate, a first motor and an adjustment gear, the telescopic decompression adjustment transmission plate is in the shape of an arc plate, and a sliding seal is performed between the outer wall of the telescopic decompression adjustment transmission plate and the inner wall of the first decompression outer tube; the first motor is arranged on the outer wall of the first decompression outer tube, the adjustment gear is arranged on the rotating shaft of the first motor, and the gear teeth of the adjustment gear penetrate through the first decompression outer tube and mesh with the teeth on the outer wall of the telescopic decompression adjustment transmission plate.

2. The saturated steam type temperature and pressure reduction system according to claim 1, characterized in that: The decompression support member also includes a decompression support leg. The decompression support shell is in the shape of a large-diameter circular tube. One end of the decompression support leg is arranged on the side wall of the decompression support shell. A plurality of the decompression support legs are evenly distributed around the circumference of the decompression support shell.

3. The saturated steam type temperature and pressure reduction system according to claim 1, characterized in that: The telescopic decompression adjustment member includes a telescopic decompression adjustment plate and a telescopic decompression adjustment groove. The telescopic decompression adjustment plate is in the shape of a rectangular plate. The telescopic decompression adjustment plate is provided with decompression holes. The decompression holes are in the shape of trumpet holes. A plurality of the decompression holes are distributed in a matrix on the telescopic decompression adjustment plate. One side of the telescopic decompression adjustment plate is embedded in the first rotating groove on the outer wall of the first decompression inner tube through the first rotating shaft provided thereon. The two ends of the telescopic decompression adjustment plate are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell.

4. The saturated steam type temperature and pressure reduction system according to claim 3, characterized in that: The telescopic decompression adjustment groove is in the shape of a rectangular groove, and the telescopic decompression adjustment groove sliding seal sleeve is mounted on the other side of the telescopic decompression adjustment plate. The second rotating shaft arranged on the bottom of the telescopic decompression adjustment groove is fitted into the second rotating groove on the inner wall of the telescopic decompression adjustment transmission plate; a plurality of the telescopic decompression adjustment parts are distributed at equal intervals on the telescopic decompression adjustment transmission plate around the circumference of the first decompression inner tube; two sets of the first telescopic decompression parts are arranged in the first decompression chamber, and the two sets of the first telescopic decompression parts are distributed along the circumference in the first decompression chamber.

5. The saturated steam type temperature and pressure reduction system according to claim 4, characterized in that: The first decompression chamber is also provided with a cooling and decompression partition component, and the cooling and decompression partition component is used to separate the two sets of the first telescopic decompression components from one end; the cooling and decompression partition component includes a cooling and decompression partition plate and a cooling and decompression partition groove, the cooling and decompression partition plate is in the shape of a rectangular plate, one side of the cooling and decompression partition plate is embedded in the third rotating groove on the outer wall of the first decompression inner tube through the third rotating shaft provided thereon, and the two ends of the cooling and decompression partition plate are respectively subjected to sliding sealing treatment with the two end surfaces of the decompression support shell; the cooling and decompression partition groove is in the shape of a rectangular groove, and the groove of the cooling and decompression partition groove is sliding The dynamic sealing sleeve is mounted on the other side of the cooling and decompression partition plate; the bottom of the cooling and decompression partition groove is embedded in the fourth rotating groove on the inner wall of the telescopic decompression adjustment transmission plate through the fourth rotating shaft arranged thereon; the saturated steam input part includes a steam input pipe and a steam input main pipe, the steam input pipe is in the shape of a rectangular tube, one end of the steam input pipe passes through the first decompression inner pipe, and the penetration point is located at the other end separation between the two sets of the first telescopic decompression parts, and one end of the steam input main pipe passes through the bottom end surface of the decompression support shell and is connected to the other end of the steam input pipe.

6. The saturated steam type temperature and pressure reduction system according to claim 5, characterized in that: The second pressure reducing adjustment part includes a second pressure reducing inner tube, a relay selection ventilation part, a second pressure reducing outer tube and a second telescopic pressure reducing part. The inner diameter of the second pressure reducing inner tube is larger than the outer diameter of the first pressure reducing outer tube. The second pressure reducing inner tube is embedded in the pressure reducing support shell, and the axis of the second pressure reducing inner tube coincides with the axis of the first pressure reducing outer tube. The closed chamber formed between the second pressure reducing inner tube and the first pressure reducing outer tube is a second auxiliary cooling chamber. The relay selection ventilation part includes a relay selection ventilation pipe and a relay selection ventilation valve. One end of the relay selection ventilation pipe passes through the first pressure reducing outer tube, and the other end of the relay selection ventilation pipe passes through the second pressure reducing inner tube. The relay selection ventilation valve is embedded in the relay selection ventilation pipe to control the passage and disconnection of the relay selection ventilation pipe. The relay selection ventilation part is provided with two sets, and the two sets of the relay selection ventilation parts are respectively connected to the partitions at both ends between the two sets of the first telescopic pressure reducing parts.

7. The saturated steam type temperature and pressure reduction system according to claim 6, characterized in that: The inner diameter of the second decompression outer tube is larger than the outer diameter of the second decompression inner tube, the second decompression outer tube is embedded in the decompression support shell, and the second decompression outer tube is sleeved outside the second decompression inner tube, an annularly sealed second decompression chamber is formed between the second decompression outer tube and the second decompression inner tube, and a third auxiliary temperature reduction chamber is formed between the second decompression outer tube and the inner wall of the decompression support shell; the second telescopic decompression member has the same structure as the first telescopic decompression member, and the specific size of the second telescopic decompression member matches the second decompression inner tube and the second decompression outer tube; the second telescopic decompression member is provided with two sets, and the two sets of the second telescopic decompression members are distributed circumferentially in the second decompression chamber; the decompression exhaust member includes a decompression discharge branch pipe, A reduced pressure discharge pipe, a reduced pressure discharge confluence pipe and a reduced pressure discharge main pipe, wherein the reduced pressure discharge branch pipe is in a rectangular tube shape, one end of the reduced pressure discharge branch pipe penetrates through the reduced pressure support shell and then penetrates through the side wall of the second reduced pressure outer tube, and the penetration point is located between one end of two sets of second telescopic reduced pressure parts; the penetration points of the two reduced pressure discharge branch pipes and the reduced pressure support shell are respectively located between the two ends of the two sets of second telescopic reduced pressure parts; one end of the reduced pressure discharge pipe is connected with the other end of the reduced pressure discharge branch pipe, and the two reduced pressure discharge pipes correspond to the two reduced pressure discharge branch pipes one by one; the two ends of the reduced pressure discharge confluence pipe are respectively connected with the other ends of the two reduced pressure discharge pipes, and one end of the reduced pressure discharge main pipe is connected with the reduced pressure discharge confluence pipe.

8. The saturated steam type temperature and pressure reduction system according to claim 7, characterized in that: The auxiliary cooling component includes an auxiliary cooling liquid input component and an auxiliary cooling liquid output component, and the auxiliary cooling liquid input component and the auxiliary cooling liquid output component are both arranged on the decompression support shell; the auxiliary cooling liquid input component includes an auxiliary cooling input branch pipe, an auxiliary cooling input main pipe and a turbulence plate, one end of the auxiliary cooling input branch pipe is vertically connected to the bottom surface of the decompression support shell, and multiple auxiliary cooling input branch pipes are respectively connected to the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber; one end of the auxiliary cooling input main pipe is respectively connected to multiple auxiliary cooling chambers The other end of the input branch pipe is connected through; the auxiliary cooling liquid output component includes an auxiliary cooling output branch pipe and an auxiliary cooling output main pipe, one end of the auxiliary cooling output branch pipe is connected through the top surface of the pressure reducing support shell, and multiple auxiliary cooling output branch pipes are respectively connected with the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber; one end of the auxiliary cooling output main pipe is respectively connected with the other ends of multiple auxiliary cooling output branch pipes; multiple turbulence plates are respectively arranged in the first auxiliary cooling chamber, the second auxiliary cooling chamber and the third auxiliary cooling chamber.

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