CN215982485U - Be used for online performance boiler monitoring protector of thermal power generating unit - Google Patents

Be used for online performance boiler monitoring protector of thermal power generating unit Download PDF

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Publication number
CN215982485U
CN215982485U CN202122466988.9U CN202122466988U CN215982485U CN 215982485 U CN215982485 U CN 215982485U CN 202122466988 U CN202122466988 U CN 202122466988U CN 215982485 U CN215982485 U CN 215982485U
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China
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boiler
fixedly connected
pressure
monitoring
transparent pipe
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CN202122466988.9U
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Inventor
万松森
周东阳
曹军
王承文
郑小刚
刘爱君
李军
肖勇
高海东
李清扬
王帆
廖学高
高于祥
海阔
宋志坚
周宇哲
苏鹏亮
马乐
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Xian Thermal Power Research Institute Co Ltd
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Xian Thermal Power Research Institute Co Ltd
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Abstract

The utility model discloses an online performance boiler monitoring and protecting device for a thermal power generating unit, which comprises a monitoring and protecting device body fixedly arranged on the right side of the top of a boiler, wherein the monitoring and protecting device body comprises a fixed plate fixedly arranged on the right side of the top of the boiler, a barometer is fixedly arranged on the top of the fixed plate, a detection end of the barometer extends into the boiler, a transparent pipe with a top end in a blocking structure is embedded in the top of the fixed plate, the bottom end of the transparent pipe extends into the boiler, and a pressure sensor is fixedly connected to the inner wall of the left side of the transparent pipe. The pressure relief device is convenient for monitoring the pressure in the boiler in real time, automatic pressure relief is convenient when the pressure in the boiler is high, the effect of protecting the pressure relief of the boiler is realized, the risk of damage to the boiler caused by long-time high pressure is reduced, the pressure relief pressure value is convenient to adjust according to actual needs, the phenomenon of insufficient pressure caused by pressure relief in the boiler is avoided, the application range is improved, the use requirement is met, and the use is facilitated.

Description

Be used for online performance boiler monitoring protector of thermal power generating unit
Technical Field
The utility model relates to the technical field of boiler monitoring and protecting equipment, in particular to an on-line performance boiler monitoring and protecting device for a thermal power generating unit.
Background
The pressure on-line monitoring of boiler in thermal power plant's centralized Control operation (Distributed Control System) to the unit, adopt thing networking controller cooperation pressure sensor's mode to monitor more, can on-line monitoring boiler real-time atmospheric pressure, reduce and explode the stove risk, the boiler is an energy conversion equipment, the energy to boiler input has chemical energy, the electric energy in the fuel, boiler output has steam, high-temperature water or organic heat carrier of certain heat energy, by wide application in numerous fields.
Most of the existing on-line performance boiler monitoring and protecting devices for thermal power generating units can only monitor the air pressure in the boiler in real time; its function that has automatic pressure release when being not convenient for high pressure, cause the damage to the boiler because of long-time high pressure easily, (though there are some automatic relief valves on the market, but pressure release pressure is adjusted according to actual need not to be convenient for mostly to ordinary relief valve, and to some boilers that need the pressure value to keep in the certain limit, the phenomenon that the pressure value is not enough in the boiler appears easily, and application scope is more restricted), can not satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides an online performance boiler monitoring and protecting device for a thermal power generating unit.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a boiler monitoring and protecting device for on-line performance of a thermal power generating unit comprises a monitoring and protecting device body fixedly arranged on the right side of the top of a boiler, wherein the monitoring and protecting device body comprises a fixed plate fixedly arranged on the right side of the top of the boiler, a barometer is fixedly arranged on the top of the fixed plate, a detection end of the barometer extends into the boiler, a transparent tube with a top end in a blocking structure is embedded in the top of the fixed plate, the bottom end of the transparent tube extends into the boiler, a pressure sensor is fixedly connected onto the inner wall of the left side of the transparent tube, a networking controller electrically connected with the pressure sensor is fixedly connected onto the left side of the transparent tube, a storage battery electrically connected with the networking controller is fixedly arranged on the left side of the transparent tube, a scale mark is arranged on the front side of the transparent tube, a pressure relief hole is formed in the inner wall of the right side of the transparent tube, and a piston is hermetically and slidably sleeved in the transparent tube, the piston is located the below in pressure release hole, and the top fixedly connected with spring of piston, fixedly connected with fixed plate between the both sides inner wall of hyaline tube, the top fixedly connected with guiding mechanism of piston rotates on the top inner wall of hyaline tube and is connected with screw thread lift pressure regulating mechanism, and screw thread lift pressure regulating mechanism's top extends to the top of hyaline tube, and the fixed plate slip cap is established on guiding mechanism and screw thread lift pressure regulating mechanism, screw thread lift pressure regulating mechanism's bottom and the top fixed connection of spring.
Preferably, the guide mechanism comprises two guide rods and two limiting blocks, the bottom ends of the two guide rods are fixedly connected with the top of the piston, the spring is located between the two guide rods, the bottom of each limiting block is fixedly connected with the top end of the corresponding guide rod, and the fixed plate is sleeved on the two guide rods in a sliding mode.
Preferably, screw thread lift pressure regulating mechanism includes the screw rod, rectangle pole, clamp plate and knob, the screw rod rotates to be connected on the top inner wall of hyaline tube, the top of screw rod extend to the top of hyaline tube and with the bottom fixed connection of knob, rectangle pole thread bush is established on the screw rod, the fixed plate slip bush is established on the rectangle pole, the bottom of rectangle pole and the top fixed connection of clamp plate, the bottom of clamp plate and the top fixed connection of spring.
Preferably, the top of the fixing plate is provided with a first round hole and a second round hole, the inner wall of the first round hole is fixedly connected with the outer side of the detection end of the barometer, and the inner wall of the second round hole is fixedly connected with the outer side of the transparent tube.
Preferably, the outer side of the piston is bonded and sleeved with a sealing ring, and the outer side of the sealing ring is in sliding connection with the inner wall of the transparent tube.
Preferably, two third round holes are formed in the top of the fixing plate, the inner walls of the third round holes are in sliding connection with the outer sides of the corresponding guide rods, and the bottoms of the limiting blocks are in movable contact with the top of the fixing plate.
Preferably, the top of the fixed plate is provided with a rectangular hole in sliding connection with the outer side of the rectangular rod, the top end of the rectangular rod is provided with a threaded hole in threaded connection with the screw rod, and the top of the left side of the rectangular rod is fixedly connected with a rectangular stop block located above the fixed plate.
Preferably, the inner wall of the top end of the transparent tube is provided with a mounting hole, a bearing is fixedly connected between the inner walls of two sides of the mounting hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
the pressure in the boiler is monitored by the pressure gauge, the pressure sensor monitors the pressure in the boiler and transmits the pressure to the networking controller, personnel can also monitor the pressure in the boiler remotely and online through the networking controller, when the pressure in the boiler is increased, high-temperature high-pressure gas pushes the piston upwards, the piston drives the two guide rods to move upwards and compress the spring, when the piston moves upwards to the bottom of the piston and is staggered with the pressure relief hole, the gas pressure is discharged outwards through the pressure relief hole, and the purpose of automatic pressure relief at high pressure is achieved;
need adjust the pressure release pressure according to actual need when heightening, forward rotation knob makes it drive the screw rod and rotates, the screw rod rotation can drive the rectangle pole and slide downwards in the rectangular hole, the rectangle pole drives the clamp plate and compresses the spring downwards, position through observing the scale mark and clamp plate bottom alignment of hyaline tube front side, can the downward compression degree of accurate adjustment to the spring, through the mode of adjusting the initial compression degree of spring, can adjust the spring to the decurrent elasticity that tightens of piston, and then improve the pressure release pressure value, make be convenient for adjust the pressure release pressure value according to actual need.
The pressure relief device is convenient for monitoring the pressure in the boiler in real time, automatic pressure relief is convenient when the pressure in the boiler is high, the effect of protecting the pressure relief of the boiler is realized, the risk of damage to the boiler caused by long-time high pressure is reduced, the pressure relief pressure value is convenient to adjust according to actual needs, the phenomenon of insufficient pressure caused by pressure relief in the boiler is avoided, the application range is improved, the use requirement is met, and the use is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an on-line performance boiler monitoring and protecting device for a thermal power generating unit, which is provided by the utility model;
fig. 2 is an enlarged sectional view of a portion a in fig. 1.
In the figure: 100 boilers, 1 fixing plate, 2 barometers, 3 transparent tubes, 4 pressure sensors, 5 networking controllers, 6 storage batteries, 7 pressure relief holes, 8 pistons, 9 fixing plates, 10 springs, 11 guide rods, 12 limiting blocks, 13 pressing plates, 14 rectangular rods, 15 screw rods, 16 knobs and 17 scale marks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, an on-line performance boiler monitoring and protecting device for a thermal power generating unit comprises a monitoring and protecting device body fixedly installed on the right side of the top of a boiler 100, the monitoring and protecting device body comprises a fixed plate 1 fixedly installed on the right side of the top of the boiler 100, a barometer 2 is fixedly installed on the top of the fixed plate 1, a detection end of the barometer 2 extends into the boiler 100, a transparent tube 3 with a top end of a blocking structure is embedded in the top of the fixed plate 1, the bottom end of the transparent tube 3 extends into the boiler 100, a pressure sensor 4 is fixedly connected to the inner wall of the left side of the transparent tube 3, a networking controller 5 electrically connected with the pressure sensor 4 is fixedly connected to the left side of the transparent tube 3, a storage battery 6 electrically connected with the networking controller 5 is fixedly installed to the left side of the transparent tube 3, a scale line 17 is arranged on the front side of the transparent tube 3, a pressure relief hole 7 is formed in the inner wall of the right side of the transparent tube 3, a piston 8 is hermetically and slidably sleeved in the transparent tube 3, the piston 8 is positioned below the pressure relief hole 7, the top of the piston 8 is fixedly connected with a spring 10, a fixing plate 9 is fixedly connected between the inner walls of two sides of the transparent tube 3, the top of the piston 8 is fixedly connected with a guide mechanism, a thread lifting pressure regulating mechanism is rotatably connected on the inner wall of the top end of the transparent tube 3, the top of the thread lifting pressure regulating mechanism extends to the upper part of the transparent tube 3, the fixing plate 9 is slidably sleeved on the guide mechanism and the thread lifting pressure regulating mechanism, and the bottom of the thread lifting pressure regulating mechanism is fixedly connected with the top end of the spring 10;
the guide mechanism comprises two guide rods 11 and two limiting blocks 12, the bottom ends of the two guide rods 11 are fixedly connected with the top of the piston 8, the spring 10 is positioned between the two guide rods 11, the bottom of each limiting block 12 is fixedly connected with the top end of the corresponding guide rod 11, and the fixing plate 9 is sleeved on the two guide rods 11 in a sliding manner;
the thread lifting pressure regulating mechanism comprises a screw rod 15, a rectangular rod 14, a pressure plate 13 and a knob 16, wherein the screw rod 15 is rotatably connected on the inner wall of the top end of a transparent tube 3, the top end of the screw rod 15 extends to the upper part of the transparent tube 3 and is fixedly connected with the bottom of the knob 16, the rectangular rod 14 is in threaded sleeve connection with the screw rod 15, a fixing plate 9 is in sliding sleeve connection with the rectangular rod 14, the bottom end of the rectangular rod 14 is fixedly connected with the top of the pressure plate 13, and the bottom of the pressure plate 13 is fixedly connected with the top end of a spring 10, so that the pressure in the boiler 100 can be conveniently monitored in real time, automatic pressure relief can be conveniently realized when high pressure exists in the boiler 100, the effect of pressure relief protection on the boiler 100 can be realized, and the risk of damage to the boiler 100 due to long-time high pressure can be reduced, and the pressure relief pressure value can be conveniently adjusted according to actual needs, the phenomenon of insufficient pressure caused by pressure relief in the boiler 100 is avoided, the application range is improved, the use requirements are met, and the use is facilitated.
In the utility model, the top of a fixed plate 1 is provided with a first round hole and a second round hole, the inner wall of the first round hole is fixedly connected with the outer side of a detection end of a barometer 2, the inner wall of the second round hole is fixedly connected with the outer side of a transparent tube 3, the outer side of a piston 8 is bonded and sleeved with a sealing ring, the outer side of the sealing ring is slidably connected with the inner wall of the transparent tube 3, the top of the fixed plate 9 is provided with two third round holes, the inner wall of each third round hole is slidably connected with the outer side of a corresponding guide rod 11, the bottom of a limiting block 12 is movably contacted with the top of the fixed plate 9, the top of the fixed plate 9 is provided with a rectangular hole slidably connected with the outer side of a rectangular rod 14, the top of the rectangular rod 14 is provided with a threaded hole in threaded connection with a screw rod 15, the top of the left side of the rectangular rod 14 is fixedly connected with a rectangular stop block positioned above the fixed plate 9, and the inner wall of the top of the transparent tube 3 is provided with a mounting hole, and the bearings are fixedly connected between the inner walls of the two sides of the mounting hole, and the inner sides of the inner rings of the bearings are fixedly connected with the outer sides of the screw rods 15, so that the pressure in the boiler 100 can be monitored in real time conveniently, automatic pressure relief is facilitated when the pressure in the boiler 100 is high, the effect of pressure relief protection on the boiler 100 is realized, the risk of damage to the boiler 100 caused by long-time high pressure is reduced, the pressure relief pressure value can be adjusted conveniently according to actual needs, the phenomenon of insufficient pressure caused by pressure relief in the boiler 100 is avoided, the application range is improved, the use requirement is met, and the use is facilitated.
The working principle is as follows: when the boiler is used, when high-temperature and high-pressure steam is generated in the boiler 100, the pressure gauge 2 monitors the pressure in the boiler 100, a person can watch the pressure in the boiler 100 through the pressure gauge 2, because the transparent pipe 3 is communicated with the interior of the boiler 100, the air pressure enters the transparent pipe 3, meanwhile, the pressure sensor 4 also monitors the pressure in the boiler 100 and transmits the pressure to the networking controller 5, the person can also remotely monitor the pressure in the boiler 100 on line through the networking controller 5, when the steam is not discharged to a designated device in time and the air pressure in the boiler 100 is increased, the high-temperature and high-pressure gas pushes the piston 8 upwards, under the thrust of the gas, the piston 8 slides upwards in the transparent pipe 3 and compresses the spring 10, the piston 8 drives the corresponding two guide rods 11 to respectively slide upwards in the corresponding third round holes, and when the piston 8 moves upwards to the bottom of the piston 8 and is staggered with the pressure release hole 7, at the moment, the gas pressure is discharged outwards through the pressure relief hole 7, so that the aim of automatic pressure relief at high pressure is fulfilled;
the decompression pressure needs to be adjusted according to actual needs, so as to ensure that when the pressure value in the boiler 100 is within a required range and is increased, the knob 16 is rotated in the forward direction, the knob 16 drives the screw rod 15 to rotate, under the action of the threaded hole formed in the rectangular rod 14, the screw rod 15 can drive the rectangular rod 14 to slide downwards in the rectangular hole, the rectangular rod 14 drives the pressing plate 13 to compress the spring 10 downwards, a person can accurately adjust the downward compression degree of the spring 10 by observing the position of the scale line 17 on the front side of the transparent pipe 3 aligned with the bottom of the pressing plate 13, after the adjustment is proper, the knob 16 is stopped to rotate, at the moment, under the self thread locking force of the screw rod 15 and the threaded hole, the fixation after the position adjustment of the pressing plate 13 is realized, the initial compression degree of the spring 10 can be adjusted according to actual needs, the downward tightening elastic force of the piston 8 by the adjusting spring 10 is reached, at the moment, the piston 8 can be pushed upwards for decompression by larger air pressure than before, and then improve the pressure release pressure value for be convenient for adjust the pressure release pressure value according to actual need, improve application scope.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a be used for online performance boiler of thermal power unit to monitor protector, characterized in that, including the monitoring protector body of fixed mounting in boiler (100) top right side, the monitoring protector body includes fixed plate (1) of fixed mounting in boiler (100) top right side, the top fixed mounting of fixed plate (1) has barometer (2), and the detection end of barometer (2) extends to in boiler (100), the top of fixed plate (1) is inlayed and is equipped with top transparent pipe (3) for block structure, and the bottom of transparent pipe (3) extends to in boiler (100), fixedly connected with pressure sensor (4) on the left side inner wall of transparent pipe (3), the left side fixedly connected with of transparent pipe (3) is with networking controller (5) electric connection with pressure sensor (4), the left side fixed mounting of transparent pipe (3) has and networking controller (5) electric connection's battery (6), the front side of hyaline tube (3) is provided with scale mark (17), pressure release hole (7) have been seted up on the right side inner wall of hyaline tube (3), hyaline tube (3) inner seal slip cover is equipped with piston (8), piston (8) are located the below of pressure release hole (7), top fixedly connected with spring (10) of piston (8), fixedly connected with fixed plate (9) between the both sides inner wall of hyaline tube (3), the top fixedly connected with guiding mechanism of piston (8), it is connected with screw thread lift pressure regulating mechanism to rotate on the top inner wall of hyaline tube (3), screw thread lift pressure regulating mechanism's top extends to the top of hyaline tube (3), fixed plate (9) slip cover is established on guiding mechanism and screw thread lift pressure regulating mechanism, screw thread lift pressure regulating mechanism's bottom and the top fixed connection of spring (10).
2. The on-line performance boiler monitoring and protecting device for the thermal power generating unit is characterized in that the guide mechanism comprises two guide rods (11) and two limiting blocks (12), the bottom ends of the two guide rods (11) are fixedly connected with the top of the piston (8), the spring (10) is located between the two guide rods (11), the bottom of each limiting block (12) is fixedly connected with the top end of the corresponding guide rod (11), and the fixing plate (9) is slidably sleeved on the two guide rods (11).
3. The on-line performance boiler monitoring and protecting device for the thermal power generating unit is characterized in that the thread lifting pressure regulating mechanism comprises a screw rod (15), a rectangular rod (14), a pressing plate (13) and a knob (16), the screw rod (15) is rotatably connected to the inner wall of the top end of the transparent pipe (3), the top end of the screw rod (15) extends to the upper portion of the transparent pipe (3) and is fixedly connected with the bottom of the knob (16), the rectangular rod (14) is sleeved on the screw rod (15) in a threaded mode, the fixing plate (9) is sleeved on the rectangular rod (14) in a sliding mode, the bottom end of the rectangular rod (14) is fixedly connected with the top of the pressing plate (13), and the bottom of the pressing plate (13) is fixedly connected with the top end of the spring (10).
4. The on-line performance boiler monitoring and protecting device for the thermal power generating unit according to claim 3, characterized in that a rectangular hole in sliding connection with the outer side of the rectangular rod (14) is formed in the top of the fixing plate (9), a threaded hole in threaded connection with the screw rod (15) is formed in the top end of the rectangular rod (14), and a rectangular stop block located above the fixing plate (9) is fixedly connected to the top of the left side of the rectangular rod (14).
5. The on-line performance boiler monitoring and protecting device for the thermal power generating unit according to claim 3, characterized in that a mounting hole is formed in the inner wall of the top end of the transparent pipe (3), a bearing is fixedly connected between the inner walls of two sides of the mounting hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the screw (15).
6. The on-line performance boiler monitoring and protecting device for the thermal power generating unit as claimed in claim 1, wherein a first round hole and a second round hole are formed in the top of the fixing plate (1), the inner wall of the first round hole is fixedly connected with the outer side of the detection end of the barometer (2), and the inner wall of the second round hole is fixedly connected with the outer side of the transparent pipe (3).
7. The on-line performance boiler monitoring and protecting device for the thermal power generating unit according to claim 6, characterized in that two third round holes are formed in the top of the fixing plate (9), the inner walls of the third round holes are slidably connected with the outer sides of the corresponding guide rods (11), and the bottoms of the limiting blocks (12) are in movable contact with the top of the fixing plate (9).
8. The on-line performance boiler monitoring and protecting device for the thermal power generating unit according to claim 1, characterized in that a sealing ring is bonded and sleeved on the outer side of the piston (8), and the outer side of the sealing ring is slidably connected with the inner wall of the transparent pipe (3).
CN202122466988.9U 2021-10-13 2021-10-13 Be used for online performance boiler monitoring protector of thermal power generating unit Active CN215982485U (en)

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Application Number Priority Date Filing Date Title
CN202122466988.9U CN215982485U (en) 2021-10-13 2021-10-13 Be used for online performance boiler monitoring protector of thermal power generating unit

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Application Number Priority Date Filing Date Title
CN202122466988.9U CN215982485U (en) 2021-10-13 2021-10-13 Be used for online performance boiler monitoring protector of thermal power generating unit

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CN215982485U true CN215982485U (en) 2022-03-08

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CN202122466988.9U Active CN215982485U (en) 2021-10-13 2021-10-13 Be used for online performance boiler monitoring protector of thermal power generating unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115090345A (en) * 2022-05-23 2022-09-23 刘全生 Universal distillation instrument based on pressure dynamic monitoring and automatic alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115090345A (en) * 2022-05-23 2022-09-23 刘全生 Universal distillation instrument based on pressure dynamic monitoring and automatic alarm

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