Condenser axial steam admission chamber temperature and pressure reduction structure

Abstract

The utility model belongs to the technical field of condensers, and particularly relates to a condenser axial steam admission chamber temperature and pressure reduction structure which comprises a shell, six mounting blocks are fixed in the shell, and outer spray pipes are fixed in through holes formed in the side walls of the mounting blocks. By arranging the shell, the outer spray pipes, the adjusting pipe, the driving mechanism, the annular pipe, the mounting ring and the auxiliary pressure reducing plate, in the process of using the condenser axial steam inlet chamber with the temperature and pressure reducing structure, cooling water can be sprayed out through the outer spray pipes arranged in an annular array mode after being conveyed into the adjusting pipe; through the arrangement of the outer spray pipe, when high-temperature and high-pressure steam enters the shell, temperature and pressure reduction operation can be conducted on the high-temperature and high-pressure steam, and the adjusting pipe can be rotationally adjusted in the outer spray pipe, so that the water spray amount of cooling water can be adjusted according to use requirements, and use is convenient; and the high-temperature and high-pressure steam subjected to water spraying temperature and pressure reduction can be further decompressed, so that the pressure reduction of the high-temperature and high-pressure steam is more thorough.

Description

TECHNICAL FIELD

[0001] The utility model relates to condenser technical field, concretely is a kind of condenser axial admission chamber with desuperheating and pressure reducing structure. BACKGROUND

[0002] Condenser is the heat exchanger that steam turbine exhaust condenses into water, also called rewatering device, condenser is mainly used in steam turbine power plant, is divided into water condenser and air condenser two kinds, condenser needs to use desuperheater when using, it can be reduced to the low-pressure low-temperature steam used by high-temperature high-pressure steam, with boiler superheater outlet as an example, steam generated by boiler passes through heater outlet to steam turbine and does work, steam turbine has a range requirement to the steam parameter entering, if the steam parameter of superheater outlet exceeds the upper limit required by steam turbine, it will cause damage to steam turbine, so desuperheater must be used to reduce parameter to within applicable range, but the desuperheater of condenser axial admission chamber cannot adjust the ejection amount of cooling water according to use needs when using, so that it cannot reach better desuperheating and pressure reducing effect, so as to affect the normal use effect of condenser, therefore we propose a kind of condenser axial admission chamber with desuperheating and pressure reducing structure to solve the above problems. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a kind of condenser axial admission chamber with desuperheating and pressure reducing structure, solve the problems raised in the above background art.

[0004] The utility model discloses a kind of condenser axial admission chamber with desuperheating and pressure reducing structure, to achieve the above purposes specifically using the following technical solutions:

[0005] A kind of condenser axial admission chamber with desuperheating and pressure reducing structure, including shell, the inside of the shell is fixed with six installation blocks, the through hole of the side wall of the installation block is fixed with outer spray pipe inside, one side wall of the shell is rotated with six adjustment pipes matched with outer spray pipe by bearing, the side wall of the shell is provided with the drive mechanism for driving six adjustment pipes synchronous rotation adjustment, one end of the adjustment pipe is respectively inserted in the inside of corresponding outer spray pipe, the outer wall of the shell is fixed with annular pipe by two connecting plates, the import end of the adjustment pipe is all communicated with annular pipe, water inlet pipe is fixedly connected on the annular pipe, the inside of the shell is fixed with installation ring at equal intervals, the inside of the installation ring is fixed with auxiliary pressure reducing plate, the outer wall of the shell is fixedly connected with flow guide shell, the bottom end of the flow guide shell is fixedly connected with drain pipe.

[0006] Further, the driving mechanism comprises an annular track fixed to one side wall of the shell, a rotary groove is formed in the annular track, a gear ring is rotatably connected inside the rotary groove, one side wall of the shell is rotatably connected with a rotating shaft through a bearing, a driving gear is fixed to the surface of the rotating shaft, and a driven gear is fixed to the surface of each adjusting pipe.

[0007] Further, the shell is communicated with flow guide pipes at both ends, and a flange is fixed to one end of each flow guide pipe.

[0008] Further, an installation frame is fixed to the through hole formed in the surface of the shell, and a transparent plate is fixed inside the installation frame.

[0009] Further, a sealing rotary ring matched with the mounting block is fixed to the surface of each adjusting pipe, and the sealing rotary ring is rotatably arranged on the corresponding mounting block.

[0010] Further, a first connecting head is fixed to each outlet pipeline of the annular pipe, a second connecting head is fixed to one end of each adjusting pipe, and the first connecting head is sealingly and rotatably connected with the corresponding second connecting head.

[0011] Compared with the prior art, the condenser axial steam inlet chamber with temperature and pressure reduction structure has the following beneficial effects:

[0012] The shell, the outer spray pipe, the adjusting pipe, the driving mechanism, the annular pipe, the installation ring and the auxiliary pressure relief plate are arranged, in the process of using the condenser axial steam inlet chamber with temperature and pressure reduction structure, the cooling water is sprayed out by the outer spray pipe arranged in an annular array after being delivered to the inside of the adjusting pipe, so that the high-temperature and high-pressure steam can be subjected to temperature and pressure reduction operation when entering the inside of the shell, the adjusting pipe can be adjusted in rotation in the inside of the outer spray pipe, the water spraying amount of the cooling water can be adjusted according to the use requirement, the use is convenient, and the high-temperature and high-pressure steam after water spraying, temperature reduction and pressure reduction can be subjected to pressure reduction by the auxiliary pressure relief plate, so that the pressure reduction is more thorough. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a first perspective view of the overall structure of the utility model;

[0014] Figure 2 It is a second perspective view of the overall structure of the utility model;

[0015] Figure 3 It is a sectional view of the shell structure of the utility model;

[0016] Figure 4 It is a structure of the utility model Figure 1 enlarged schematic view of A place in the utility model

[0017] Figure 5 For the utility model Figure 3 The structure amplification schematic view of B place in the middle.

[0018] In the figure: 1, the shell; 2, the mounting block; 3, the outer nozzle; 4, the adjusting pipe; 5, the drive mechanism; 501, the annular track; 502, the gear ring; 503, the rotating shaft; 504, the driving gear; 505, the driven gear; 6, the annular pipe; 7, the mounting ring; 8, the auxiliary pressure reducing plate; 9, the water inlet pipe; 10, the flow guide shell; 11, the drain pipe; 12, the flow guide pipe; 13, the flange; 14, the mounting frame; 15, the transparent plate; 16, the sealing rotating ring; 17, the first connector; 18, the second connector. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0020] As Figure 1 , Figure 2 , Figure 3 Figure 5As shown, the utility model discloses an axial inlet chamber of condenser with temperature and pressure reducing structure, including the casing 1, the mouth of casing 1 surface is set up and is fixed with the installation frame 14, the inside fixed of installation frame 14 is with the transparent plate 15, so that the staff is more convenient when viewing the inside condition of casing 1 from outside, the inside fixed of casing 1 is six installation blocks 2, the through hole inside of installation block 2 side wall is all fixed with the outer spray pipe 3, the one side of casing 1 is rotated with six adjustment pipe 4 of adapting with outer spray pipe 3 through bearing, the surface of adjustment pipe 4 is all fixed with the sealing rotary ring 16 of adapting with installation block 2, sealing rotary ring 16 rotates on corresponding installation block 2 respectively, its can play the role of enhancing the sealing property of adjustment pipe 4 and outer spray pipe 3 after splicing, so that can avoid the influence to the spray effect of outer spray pipe 3 in the cooling water delivery process, the one side of casing 1 is provided with the drive mechanism 5 for driving six adjustment pipe 4 synchronous rotation adjustment, one end of adjustment pipe 4 is inserted in the inside corresponding outer spray pipe 3 respectively, the outer wall of casing 1 is fixed with annular pipe 6 through two connecting plates, the import end of adjustment pipe 4 all communicates with annular pipe 6, the inlet pipe 9 is fixed on annular pipe 6, the inside fixed of installation ring 7 of casing 1 equidistant, the inside fixed of auxiliary pressure reducing plate 8 of installation ring 7, the outer wall of casing 1 is fixed with the flow guide shell 10, the bottom end of flow guide shell 10 is fixed with the drain pipe 11, when using this axial inlet chamber of condenser with temperature and pressure reducing structure, after installing it in the appropriate position, the import end of casing 1 can be fixed with the steam pipeline communication, and the other end of casing 1 can be fixed with the import end of inlet chamber communication, then the delivery and output pipeline of cooling water can be communicated with inlet pipe 9 and drain pipe 11 respectively, when high temperature and high pressure steam enters the inside of casing 1, cooling water can be delivered to the inside of annular pipe 6 through inlet pipe 9, then is shunted to the inside of six adjustment pipe 4 through annular pipe 6, finally can be sprayed in mist form through outer spray pipe 3, at this time, the temperature and pressure reduction of high temperature and high pressure steam can be realized, and when high temperature and high pressure steam continues to flow, it can be further pressure reducing under the action of installation ring 7 and auxiliary pressure reducing plate 8, when the water spray of outer spray pipe 3 needs to be adjusted, since two groups of different spacing through holes are set up on single adjustment pipe 4, starting drive mechanism 5 can drive adjustment pipe 4 to rotate in the inside of outer spray pipe 3, when adjustment pipe 4 rotates to one hundred and eighty degrees, at this time, another group of through holes will be communicated with outer spray pipe 3, since the through hole spacing of adjustment pipe 4 after adjustment is larger than before, thus can shield part of water outlet hole of outer spray pipe 3, therefore, the water spray of outer spray pipe 3 can be adjusted according to needs.

[0021] As Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, in some embodiments, the drive mechanism 5 includes an annular rail 501 fixed to one side wall of the housing 1. A gear ring 502 is rotatably connected inside the rotating groove of the annular rail 501. A rotating shaft 503 is rotatably connected to one side wall of the housing 1 via a bearing. A drive gear 504 is fixed to the surface of the rotating shaft 503, and driven gears 505 are fixed to the surfaces of the adjusting tubes 4. The drive gear 504 and the six driven gears 505 are all meshed with the gear ring 502. In use, the motor is started to drive the rotating shaft 503 to rotate. After the rotating shaft 503 rotates, it will drive the drive gear 504 to rotate. When the drive gear 504 rotates, it will drive the gear ring 502 to rotate. Finally, after the gear ring 502 rotates, it will drive the six driven gears 505 to rotate. Therefore, it can drive the six adjusting tubes 4 to rotate synchronously. The annular rail 501 can support the gear ring 502, making it more stable during rotation.

[0022] like Figure 1 and Figure 3 As shown, in some embodiments, both ends of the shell 1 are connected to a guide pipe 12, and a flange 13 is fixed to one end of each guide pipe 12. By using the cooperation of the guide pipe 12 and the flange 13, it is more convenient to connect and fix one end of the shell 1 to the steam pipeline and the other end of the shell 1 to the inlet end of the steam inlet chamber of the condenser.

[0023] like Figure 1 and Figure 5 As shown, in some embodiments, each of the six outlet pipes of the annular pipe 6 is connected and fixed with a first connector 17, and each of the regulating pipes 4 is connected and fixed with a second connector 18. The first connector 17 is respectively sealed and rotatably connected to the corresponding second connector 18. The first connector 17 and the second connector 18 are rotatable sealed connection joints. Since this is the prior art, the connection between the two is not described in detail. Therefore, when the regulating pipe 4 is rotated and adjusted, it will not be separated from the annular pipe 6 or interfered with, thus ensuring the normal delivery of cooling water.

[0024] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A condenser axial steam inlet chamber with desuperheating and pressure reduction structure, comprising a shell (1), characterized in that: The housing (1) has six mounting blocks (2) fixed inside. The mounting blocks (2) have through holes in their side walls, each fixed with an external spray pipe (3). The housing (1) has six adjusting pipes (4) that are adapted to the external spray pipes (3) rotating on one side wall via bearings. The housing (1) has a drive mechanism (5) for driving the six adjusting pipes (4) to rotate synchronously. One end of each adjusting pipe (4) is inserted into the corresponding external spray pipe (3). The housing (1) has an annular pipe (6) fixed to its outer wall via two connecting plates. The inlet end of each adjusting pipe (4) is connected to the annular pipe (6). The annular pipe (6) is connected to and fixed with a water inlet pipe (9). The housing (1) has mounting rings (7) fixed at equal intervals inside. Each mounting ring (7) has an auxiliary pressure reducing plate (8) fixed inside. The housing (1) has a flow guide shell (10) fixed to its outer wall. The bottom end of the flow guide shell (10) is connected to and fixed with a drain pipe (11).

2. The condenser axial steam inlet chamber with desuperheating and pressure reduction structure according to claim 1, characterized in that: The drive mechanism (5) includes an annular rail (501) fixed to one side wall of the housing (1). A gear ring (502) is rotatably connected inside the rotating groove of the annular rail (501). A rotating shaft (503) is rotatably connected to one side wall of the housing (1) through a bearing. A drive gear (504) is fixed on the surface of the rotating shaft (503). Driven gears (505) are fixed on the surface of the adjusting tube (4). The drive gear (504) and the six driven gears (505) are all meshed with the gear ring (502).

3. The condenser axial steam inlet chamber with desuperheating and pressure reduction structure according to claim 1, characterized in that: Both ends of the housing (1) are connected to a guide pipe (12), and one end of the guide pipe (12) is fixed with a flange (13).

4. The condenser axial steam inlet chamber with desuperheating and pressure reduction structure according to claim 1, characterized in that: An installation frame (14) is fixed at the opening on the surface of the housing (1), and a transparent plate (15) is fixed inside the installation frame (14).

5. A condenser axial steam inlet chamber with desuperheating and pressure reduction structure according to claim 1, characterized in that: Each of the regulating tubes (4) has a sealing rotating ring (16) that is compatible with the mounting block (2) fixed on its surface. The sealing rotating ring (16) rotates on the corresponding mounting block (2).

6. A condenser axial steam inlet chamber with desuperheating and pressure reduction structure according to claim 1, characterized in that: The six outlet pipes of the annular pipe (6) are all connected and fixed with a first connector (17), and one end of the regulating pipe (4) is connected and fixed with a second connector (18). The first connector (17) is respectively sealed and rotatedly connected with the corresponding second connector (18).

Images