CN212987175U - Overpressure protection device for subcritical generator set - Google Patents

Overpressure protection device for subcritical generator set Download PDF

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Publication number
CN212987175U
CN212987175U CN202021754280.2U CN202021754280U CN212987175U CN 212987175 U CN212987175 U CN 212987175U CN 202021754280 U CN202021754280 U CN 202021754280U CN 212987175 U CN212987175 U CN 212987175U
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China
Prior art keywords
fixedly connected
installation shell
pipe
protection device
overpressure protection
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CN202021754280.2U
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Chinese (zh)
Inventor
陈献春
陈宇
陈稻香
林拱光
张民赦
朱畅
刘周扬
林林星
薛建成
林志炜
郑逸飞
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Fujian Electric Power Pilot Tests Co ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
State Grid Fujian Electric Power Co Ltd
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Fujian Electric Power Pilot Tests Co ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
State Grid Fujian Electric Power Co Ltd
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Application filed by Fujian Electric Power Pilot Tests Co ltd, State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd, State Grid Fujian Electric Power Co Ltd filed Critical Fujian Electric Power Pilot Tests Co ltd
Priority to CN202021754280.2U priority Critical patent/CN212987175U/en
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Abstract

The utility model discloses a subcritical generating set is with superpressure protection device, including cooler bin and installation shell, the top welding of cooler bin has the intake pipe, and one side welding of cooler bin has the outlet duct, the top welding of installation shell has the fixed block, and one side welding of installation shell has the connecting pipe, and the bottom of installation shell, the one end of intake pipe and the one end of connecting pipe all weld the flange, be equipped with the regulator in the installation shell, and the intake pipe both sides all weld the gas distribution pipe, a plurality of gas leakage holes have been seted up to one side of gas distribution pipe, and the other end of gas distribution pipe is linked together with the outlet duct. The utility model discloses can adjust the row's pressure value in the boiler, improve the suitability of device, still avoid the emergence of the accident that the staff was scalded by steam, improve operational environment's security, can also prick the big bubble that produces in the gaseous entering coolant liquid to avoid having improved work efficiency because of the too big cooling rate who influences the coolant liquid of bubble.

Description

Overpressure protection device for subcritical generator set
Technical Field
The utility model relates to an overvoltage protection technical field especially relates to an overvoltage protection device for subcritical generating set.
Background
Subcritical means power plant's boiler's steam parameter, specifically means the rated gauge pressure of superheater export steam, and when atmospheric pressure reached the critical value in the boiler, the staff need carry out the pressure release in to the boiler, if untimely carrying out the pressure release, lead to explosion accident easily to take place, crisis staff's life safety, however, the superpressure protection device on the existing market still can not satisfy people's demand.
The overpressure protection device used in the current market reduces the pressure in the furnace through direct exhaust, and the directly exhausted steam has high temperature and is easy to scald people if not treated, so that an overpressure protection device for a subcritical generator set is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an overpressure protection device for a subcritical generator set.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an overpressure protection device for subcritical generating set, includes cooler bin and installation shell, the top welding of cooler bin has the intake pipe, and one side welding of cooler bin has the outlet duct, the top welding of installation shell has the fixed block, and one side welding of installation shell has the connecting pipe, and the bottom of installation shell, the one end of intake pipe and the one end of connecting pipe all weld the flange, be equipped with the regulator in the installation shell, and the intake pipe both sides all weld the gas distribution pipe, a plurality of gas leakage holes have been seted up to one side of gas distribution pipe, and the other end of gas distribution pipe is linked together with the outlet duct.
Preferably, two baffles are welded on the inner wall of one side of the cooling box, and a plurality of hooks are welded on one side of each baffle.
Preferably, the pressure regulating device comprises a plug and a spring, the plug is located inside the mounting shell, and one end of the spring is fixedly connected with the top of the plug.
Preferably, the other end of the spring is fixed with a pressing plate through a bolt, a fixing hole is formed in the top of the pressing plate, a guide rod is inserted into the fixing hole, and one end of the guide rod is fixedly connected with the bottom of the fixing block.
Preferably, the upper surface of the fixed block is provided with a mounting hole, a screw rod is inserted into the mounting hole, the screw rod is sleeved with the pressing plate, and one side of the nut is sleeved with the nut.
Preferably, one side of the screw rod is provided with a top cover, one side of the top cover is provided with a mounting hole, and the top cover is fixedly connected with the fixed block.
Preferably, a drain pipe is welded at one side of the cooling box, a water inlet pipe is welded at the top of the cooling box, a window is arranged at one side of the cooling box, and a plurality of supporting legs are welded at the bottom of the cooling box.
The utility model has the advantages that:
1. the screw rod is arranged to rotate under the driving of the nut, and meanwhile, the pressing plate slides back and forth on the screw rod, so that the spring stretches or stretches to adjust the tightness degree of the plug, the pressure discharge value in the boiler can be adjusted, and the applicability of the device is improved.
2. The setting through the end cap can be at rebound under the impact of pressure to open the passageway between installation shell and the connecting pipe, in rethread intake pipe got into the branch trachea, steam passed through the gas leakage hole and gets into in the cooler bin, the coolant liquid in the rethread cooler bin cooled down, and the gas through the cooling was discharged from the outlet duct, has avoided the emergence of the accident that the staff was scalded by steam, improves operational environment's security.
3. Big bubbles generated when gas enters the cooling liquid are broken through the hook under the matching of the baffle, so that the cooling speed of the cooling liquid is prevented from being influenced due to the overlarge bubbles, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of an overpressure protection device for a subcritical generator set according to the present invention;
fig. 2 is a schematic cross-sectional structural view of a cooling box of the overpressure protection device for the subcritical generator set according to the present invention;
fig. 3 is the utility model provides an installation shell sectional structure schematic diagram of an overpressure protection device for a subcritical generating set.
In the figure: 1. a cooling tank; 2. an air outlet pipe; 3. mounting a shell; 4. a flange; 5. a drain pipe; 6. a window; 7. supporting legs; 8. an air inlet pipe; 9. hooking; 10. a gas distributing pipe; 11. a baffle plate; 12. a plug; 13. a top cover; 14. a spring; 15. pressing a plate; 16. a guide bar; 17. a nut; 18. a screw; 19. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.
Referring to fig. 1-3, an overpressure protection device for a subcritical generator set comprises a cooling box 1 and an installation shell 3, wherein an air inlet pipe 8 is welded at the top of the cooling box 1, an air outlet pipe 2 is welded at one side of the cooling box 1, a fixed block 19 is welded at the top of the installation shell 3, a connecting pipe is welded at one side of the installation shell 3, a channel between the installation shell 3 and the connecting pipe is opened under the impact of pressure, flanges 4 are welded at the bottom of the installation shell 3, one end of the air inlet pipe 8 and one end of the connecting pipe, a pressure regulating device is arranged in the installation shell 3, air distributing pipes 10 are welded at two sides of the air inlet pipe 8 and enter the air distributing pipes 10 through the air inlet pipe 8, a plurality of air leakage holes are formed at one side of the air distributing pipes 10, the other ends of the air distributing pipes 10 are communicated with the air outlet pipe 2, hot, the cooled gas is discharged from the gas outlet pipe 2.
In the utility model, two baffles 11 are welded on the inner wall of one side of the cooling box 1, a plurality of hooks 9 are welded on one side of the baffles 11, the large bubbles generated when gas enters cooling liquid are punctured by the cooperation of the hooks 9 under the cooperation of the baffles 11, so as to prevent the cooling speed of the cooling liquid from being influenced by the overlarge bubbles, the pressure regulating device comprises a plug 12 and a spring 14, the plug 12 is positioned inside the mounting shell 3, one end of the spring 14 is fixedly connected with the top of the plug 12, the degree of tightness of the plug 12 is adjusted by stretching or stretching the spring 14, thereby the pressure discharge value in the boiler can be regulated, the other end of the spring 14 is fixed with a pressing plate 15 through bolts, the top of the pressing plate 15 is provided with a fixed hole, a guide rod 16 is inserted in the fixed hole, the addition of the guide rod 16 improves the stability during the work, one end of the guide rod 16 is fixedly connected with the bottom of the fixed block 19, the, it has screw rod 18 to peg graft in the mounting hole, screw rod 18 cup joints mutually with clamp plate 15, and nut 17 has been cup jointed to one side of nut 17, rotate under nut 17's drive through screw rod 18, the slip of clamp plate 15 making a round trip on screw rod 18 simultaneously, one side of screw rod 18 is equipped with top cap 13, one side of top cap 13 is equipped with the installing port, fixed connection between top cap 13 and the fixed block 19, one side welding of cooler bin 1 has drain pipe 5, derive the coolant liquid in the cooler bin 1 through drain pipe 5, the top welding of cooler bin 1 has the inlet tube, and one side of cooler bin 1 is equipped with window 6, conveniently observe the liquid level in the cooler bin 1 through window 6, so that in time add the coolant liquid, the bottom welding of cooler bin 1 has a plurality of supporting legss 7, supporting legs 7 plays a supporting role to cooler bin 1.
The working principle is as follows: when in use, firstly, the boiler, the mounting shell 3 and the cooling box 1 are connected together through the flange 4, then the plug 12 moves upwards under the impact of pressure intensity, so as to open a channel between the mounting shell 3 and a connecting pipe, then the hot air enters the air distributing pipe 10 through the air inlet pipe 8, enters the cooling box 1 through the air leakage hole, then is cooled through the cooling liquid in the cooling box 1, the cooled air is discharged from the air outlet pipe 2, a large amount of bubbles are generated when the hot air enters the cooling liquid, the bubbles are punctured through the hook 9 under the matching of the baffle 11, so as to avoid the influence of the excessive bubbles on the cooling speed of the cooling liquid, when the pressure discharge value of the boiler is adjusted, the nut 17 is rotated through the mounting port, the screw rod 18 is rotated under the driving of the nut 17, and the pressing plate 15 slides back and forth on the screw rod 18, so that the spring 14 stretches or stretches to adjust the tightness degree of the plug 12, thereby the pressure discharge value in the boiler can be adjusted.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides an overpressure protection device for subcritical generating set, includes cooler bin (1) and installation shell (3), its characterized in that, top fixedly connected with intake pipe (8) of cooler bin (1), and one side fixedly connected with outlet duct (2) of cooler bin (1), top fixedly connected with fixed block (19) of installation shell (3), one side fixedly connected with connecting pipe of installation shell (3), and the equal fixedly connected with flange (4) of the bottom of installation shell (3), the one end of intake pipe (8) and the one end of connecting pipe, be equipped with the pressure regulating device in installation shell (3), and intake pipe (8) both sides equal fixedly connected with gas distribution pipe (10), a plurality of gas leakage holes have been seted up to one side of gas distribution pipe (10), and the other end and outlet duct (2) of gas distribution pipe (10) are linked together.
2. Overpressure protection device for subcritical generator set according to claim 1, characterized in that two baffles (11) are fixedly connected to one side inner wall of cooling box (1), and a plurality of hooks (9) are fixedly connected to one side of baffles (11).
3. An overpressure protection device for a subcritical generator set according to claim 1, characterized in that the pressure regulating device comprises a plug (12) and a spring (14), the plug (12) is located inside the mounting shell (3), and one end of the spring (14) is fixedly connected with the top of the plug (12).
4. The overpressure protection device for the subcritical generator set according to claim 3, wherein the other end of the spring (14) is fixedly connected with a pressure plate (15), a fixing hole is formed in the top of the pressure plate (15), a guide rod (16) is inserted into the fixing hole, and one end of the guide rod (16) is fixedly connected with the bottom of the fixing block (19).
5. The overpressure protection device for the subcritical generator set according to claim 4, wherein a mounting hole is formed in the upper surface of the fixing block (19), a screw rod (18) is inserted into the mounting hole, the screw rod (18) is sleeved with the pressing plate (15), and a nut (17) is sleeved on one side of the nut (17).
6. The overpressure protection device for the subcritical generator set according to claim 5, wherein a top cover (13) is arranged on one side of the screw rod (18), a mounting opening is arranged on one side of the top cover (13), and the top cover (13) is fixedly connected with the fixing block (19).
7. The overpressure protection device for the subcritical generator set according to claim 1, wherein a drain pipe (5) is fixedly connected to one side of the cooling box (1), a water inlet pipe is fixedly connected to the top of the cooling box (1), a window (6) is arranged on one side of the cooling box (1), and a plurality of supporting legs (7) are fixedly connected to the bottom of the cooling box (1).
CN202021754280.2U 2020-08-20 2020-08-20 Overpressure protection device for subcritical generator set Active CN212987175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021754280.2U CN212987175U (en) 2020-08-20 2020-08-20 Overpressure protection device for subcritical generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021754280.2U CN212987175U (en) 2020-08-20 2020-08-20 Overpressure protection device for subcritical generator set

Publications (1)

Publication Number Publication Date
CN212987175U true CN212987175U (en) 2021-04-16

Family

ID=75434149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021754280.2U Active CN212987175U (en) 2020-08-20 2020-08-20 Overpressure protection device for subcritical generator set

Country Status (1)

Country Link
CN (1) CN212987175U (en)

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