Omnibearing water-cooled wall coking monitoring device

Abstract

The utility model discloses an omni-directional water-cooled wall coking monitoring device which comprises a mounting frame, a monitoring rod is arranged below the mounting frame, a through sliding groove is formed in the mounting frame, a connecting frame is arranged outside the monitoring rod, a protective cover is arranged at one end of the monitoring rod, and the other end of the monitoring rod is connected with the connecting frame. A high-temperature-resistant optical probe is arranged at the other end of the monitoring rod, a digital camera is arranged in the protective cover, a data line is arranged in the monitoring rod, a driving cavity is formed in the connecting frame, a first gear and a second gear are arranged in the driving cavity, and the second gear is arranged outside the monitoring rod. A digital image is adopted to monitor the water-cooled wall, water-cooled wall coking within the radius of 10 meters around the probe is obtained through the rotating mechanism and the propelling device, all-directional monitoring of water-cooled wall coking is achieved, the coking condition of a boiler is mastered in time, and a combustion scheme can be processed and adjusted in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to water cooling wall monitoring technical field, concretely is a kind of all -round water cooling wall coking monitoring device. BACKGROUND

[0002] In the thermal power generation industry, as the key component of boiler, water cooling wall is in the operation of high temperature, high pressure harsh environment for a long time, and is prone to coking phenomenon. Coking not only reduces the thermal efficiency of boiler, and seriously, it will also cause water cooling wall tube over-temperature, burst pipe and other safety accidents, seriously affect the stable operation of power generation equipment. Real-time monitoring of water cooling wall coking, timely discovery and processing coking problem, for the safe operation of boiler has important significance.

[0003] Chinese patent publication No. CN115031256A, authorized announcement date is September 9, 2022, a kind of direct-flow boiler water cooling wall hydrodynamic safety and coking real-time monitoring method, including the following steps: in the vertical water cooling wall outlet corresponding each throttle orifice ring arrangement one temperature measuring point;In the spiral water cooling wall outlet corresponding each throttle orifice ring arrangement one temperature measuring point;Temperature measuring point installs temperature element;Temperature element is connected with collector, collector again with the connection of distributed control system;Collector carries out real-time acquisition to the data signal of multiple temperature elements;Distributed control system carries out real-time detection, calculation, analysis and display to the data signal collected by collector.The present application effectively displays water cooling wall pipe wall temperature distribution in real time, monitors water cooling wall hydrodynamic safety, prevents water cooling wall pipe over-temperature;It can be judged whether the flame center position in the furnace is deflected;Monitor the coking condition on water cooling wall, judge coking position and size range;Boiler can judge the area where steam-water separation point is located when running in low load dry state.

[0004] The existing monitoring device pushes the monitoring probe into the furnace monitoring position, the monitoring probe does not have rotating function, can only monitor the coking of water cooling wall in one direction, cannot monitor the coking condition on the back of monitoring probe, reduces water cooling wall coking monitoring effect, cannot meet the use demand. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of all -round water cooling wall coking monitoring device, to solve the problem that existing monitoring device is pushed into the furnace monitoring position by monitoring probe in the above background art, monitoring probe does not have rotating function, can only monitor the coking of water cooling wall in one direction, cannot monitor the coking condition on the back of monitoring probe, reduces water cooling wall coking monitoring effect, cannot meet the use demand.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of all-around water-cooled wall coking monitoring device, including mounting bracket, the lower portion of the mounting bracket is provided with monitoring rod, through sliding slot is provided on the mounting bracket, the outside of the monitoring rod is provided with connecting frame, and connecting frame is rotatably connected with monitoring rod, connecting frame and mounting bracket are slidably connected, one end of the monitoring rod is provided with protective cover, and protective cover is fixedly connected with monitoring rod, the other end of the monitoring rod is provided with high-temperature-resistant optical probe, and high-temperature-resistant optical probe is threadedly connected with monitoring rod, the inside of the protective cover is provided with digital camera, and digital camera is connected with protective cover by screw, the inside of the monitoring rod is provided with data line, and the two ends of data line are electrically connected with high-temperature-resistant optical probe and digital camera respectively, the inside of the connecting frame is provided with drive cavity, the inside of the drive cavity is provided with first gear and second gear, and first gear is meshingly connected with second gear, first gear and second gear are rotatably connected with connecting frame, the second gear is arranged outside the monitoring rod, and the second gear is fixedly connected with the monitoring rod, one side of the connecting frame is provided with first motor, and first motor is connected with connecting frame by screw, and the output end of the first motor is connected with first gear.

[0007] Preferably, the contact between the monitoring rod and the connecting frame is provided with a bearing, the bearing is provided with two, and the two bearings are arranged on the two sides of the second gear, the bearing is arranged outside the monitoring rod, and the inner and outer walls of the bearing are respectively matched with the monitoring rod and the connecting frame.

[0008] Preferably, one side of the mounting bracket is provided with a second motor, and the second motor is connected with the mounting bracket by a screw, a threaded hole is arranged on the connecting frame, a lead screw is arranged in the threaded hole, one end of the lead screw is connected with the output end of the second motor, the lead screw is threadedly connected with the connecting frame, and the lead screw is rotatably connected with the mounting bracket.

[0009] Preferably, a rolling groove is arranged on the inner wall of the through sliding slot, the rolling groove is provided with two, and the two rolling grooves are arranged on the two sides of the connecting frame, a rolling ball is arranged on the side wall of the connecting frame, one end of the rolling ball extends into the inside of the rolling groove, and the rolling ball is rotatably connected with the mounting bracket and the connecting frame.

[0010] Preferably, one side of the protective cover is provided with an air inlet pipe, one end of the air inlet pipe penetrates and extends into the inside of the protective cover, a connecting ring is arranged at the contact between the air inlet pipe and the protective cover, and the connecting ring is fixedly connected with the protective cover, the connecting ring is arranged outside the air inlet pipe, and the air inlet pipe and the protective cover are rotatably connected through the connecting ring.

[0011] Preferably, one end of the protective cover is provided with an exhaust hole, a dust screen is arranged in the inside of the exhaust hole, and the dust screen is connected with the protective cover as a whole.

[0012] Compared with the prior art, the utility model has the advantages of

[0013] 1. The utility model discloses a device through the setting of high temperature -resistant optical probe, digital camera, monitoring rod, first motor, first gear and second gear, high temperature -resistant optical probe sends into the hearth monitoring position, and high temperature -resistant optical probe and digital camera detect the coking condition of water -cooling wall, and first motor drives the rotation of first gear, and first gear is connected with second gear and engages, and with the rotation of first gear drives the rotation of monitoring rod, and with the rotation of monitoring rod drives the rotation of high temperature -resistant optical probe, changes the detection angle of high temperature -resistant optical probe, lets high temperature -resistant optical probe three hundred and sixty degrees rotation record the coking condition of water -cooling wall, realizes the all -round monitoring of water -cooling wall coking,

[0014] 2. The utility model discloses a device through the setting of connecting frame, through sliding slot, second motor and screw rod, and second motor drives the rotation of screw rod, and with the rotation of screw rod exerts the push -and -pull force to connecting frame, makes connecting frame move along through sliding slot, changes the depth that high temperature -resistant optical probe sends into the hearth, satisfies the hearth water -cooling wall coking monitoring at different depth,

[0015] 3. The utility model discloses a device through the setting of air inlet pipe, connecting ring and exhaust hole, and air inlet pipe injects cold wind into the protective cover, and exhaust hole discharges the air in the protective cover, utilizes cold wind to play the role of heat dissipation cooling, and air inlet pipe and protective cover are rotatably connected through connecting ring, and when rotating monitoring rod, will not cause the distortion of air inlet pipe. DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the sectional view of the utility model;

[0018] Figure 3 It is the connecting relationship diagram of connecting frame and mounting frame of the utility model;

[0019] Figure 4 It is the A area local enlarged view of the utility model Figure 2 .

[0020] In the drawing: 1, mounting frame;2, connecting frame;3, monitoring rod;4, protective cover;5, air inlet pipe;6, connecting ring;7, exhaust hole;8, high temperature -resistant optical probe;9, screw hole;10, first motor;11, through sliding slot;12, second motor;13, screw rod;14, digital camera;15, dust screen;16, rolling groove;17, ball;18, drive cavity;19, first gear;20, second gear;21, data line;22, bearing. SPECIFIC IMPLEMENTATION

[0021] Clearly, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of all-around water cooling wall coking monitoring device, monitoring rod 3 is provided in the lower of mounting bracket 1, through sliding slot 11 is provided on mounting bracket 1, connecting frame 2 is provided at the outside of monitoring rod 3, and connecting frame 2 is rotatably connected with monitoring rod 3, connecting frame 2 is slidably connected with mounting bracket 1, one end of monitoring rod 3 is provided with protective cover 4, and protective cover 4 is fixedly connected with monitoring rod 3, the other end of monitoring rod 3 is provided with high temperature resistant optical probe 8, and high temperature resistant optical probe 8 is threadedly connected with monitoring rod 3, digital camera 14 is provided in the inside of protective cover 4, and digital camera 14 is connected with protective cover 4 by screw, data line 21 is provided in the inside of monitoring rod 3, and the two ends of data line 21 are electrically connected with high temperature resistant optical probe 8 and digital camera 14 respectively, driving cavity 18 is provided in the inside of connecting frame 2, first gear 19 and second gear 20 are provided in the inside of driving cavity 18, and first gear 19 is meshingly connected with second gear 20, first gear 19 and second gear 20 are rotatably connected with connecting frame 2, second gear 20 is provided at the outside of monitoring rod 3, and second gear 20 is fixedly connected with monitoring rod 3, first motor 10 is provided at the side of connecting frame 2, and first motor 10 is connected with connecting frame 2 by screw, the output end of first motor 10 is connected with first gear 19, bearing 22 is provided at the contact of monitoring rod 3 and connecting frame 2, bearing 22 is provided with two, and the two bearings 22 are provided at the two sides of second gear 20, bearing 22 is provided at the outside of monitoring rod 3, and the inner and outer walls of bearing 22 are respectively matched with monitoring rod 3 and connecting frame 2.

[0023] When using: mounting bracket 1 is fixedly installed with boiler, connecting frame 2 is moved along through sliding slot 11, high temperature resistant optical probe 8 is sent into furnace monitoring position, and the coking condition of water cooling wall is detected by high temperature resistant optical probe 8 and digital camera 14, and the detection process starts first motor 10 to drive first gear 19 to rotate, first gear 19 is meshingly connected with second gear 20, along with the rotation of first gear 19, monitoring rod 3 is rotated, along with the rotation of monitoring rod 3, high temperature resistant optical probe 8 is rotated, the detection angle of high temperature resistant optical probe 8 is changed, high temperature resistant optical probe 8 is rotated 360 degrees to record the coking condition of water cooling wall, and all-around monitoring of water cooling wall coking is realized.

[0024] Please refer to Figure 1 , Figure 2 And Figure 3The side of the mounting frame 1 is provided with a second motor 12, and the second motor 12 is connected with the mounting frame 1 through screws, the connecting frame 2 is provided with a threaded hole 9, the inside of the threaded hole 9 is provided with a lead screw 13, one end of the lead screw 13 is connected with the output end of the second motor 12, the lead screw 13 is threadedly connected with the connecting frame 2 in penetration, and the lead screw 13 is rotationally connected with the mounting frame 1, the inner wall of the through sliding groove 11 is provided with a rolling groove 16, the rolling groove 16 is provided with two, and the two rolling grooves 16 are arranged on the two sides of the connecting frame 2, the side wall of the connecting frame 2 is provided with a rolling ball 17, one end of the rolling ball 17 extends into the inside of the rolling groove 16, and the rolling ball 17 is rotationally connected with the mounting frame 1 and the connecting frame 2, the second motor 12 is started to drive the lead screw 13 to rotate, and the connecting frame 2 is subjected to a push-pull force with the rotation of the lead screw 13, so that the connecting frame 2 moves along the through sliding groove 11, the depth of the high-temperature-resistant optical probe 8 into the furnace is changed, the rolling ball 17 rolls along the rolling groove 16 with the movement of the connecting frame 2, and the connecting frame 2 can be guided and limited, and the moving resistance of the connecting frame 2 can be reduced.

[0025] Please refer to Figure 1 and Figure 2 The side of the protective cover 4 is provided with an air inlet pipe 5, one end of the air inlet pipe 5 penetrates and extends into the inside of the protective cover 4, the air inlet pipe 5 is provided with a connecting ring 6 at the contact position with the protective cover 4, the connecting ring 6 is fixedly connected with the protective cover 4, the connecting ring 6 is arranged outside the air inlet pipe 5, and the air inlet pipe 5 is rotationally connected with the protective cover 4 through the connecting ring 6, one end of the protective cover 4 is provided with an air exhaust hole 7, the inside of the air exhaust hole 7 is provided with a dust screen 15, and the dust screen 15 is connected with the protective cover 4 in an integrated manner, cold air is injected into the protective cover 4 through the air inlet pipe 5, air in the protective cover 4 is exhausted through the air exhaust hole 7, and the cold air is used for heat dissipation and cooling.

[0026] Working principle: the mounting frame 1 is fixedly installed with the boiler, the second motor 12 is started to drive the lead screw 13 to rotate, the connecting frame 2 is subjected to a push-pull force with the rotation of the lead screw 13, so that the connecting frame 2 moves along the through sliding groove 11, the high-temperature-resistant optical probe 8 is sent to the monitoring position in the furnace, and the coking condition of the water cooling wall is detected through the high-temperature-resistant optical probe 8 and the digital camera 14; in the detection process, the first motor 10 is started to drive the first gear 19 to rotate, the first gear 19 is meshingly connected with the second gear 20, the monitoring rod 3 is driven to rotate with the rotation of the first gear 19, the high-temperature-resistant optical probe 8 is driven to rotate with the rotation of the monitoring rod 3, the detection angle of the high-temperature-resistant optical probe 8 is changed, the high-temperature-resistant optical probe 8 is rotated by 360 degrees to record the coking condition of the water cooling wall, and the coking of the water cooling wall is monitored in all directions; cold air is injected into the protective cover 4 through the air inlet pipe 5, air in the protective cover 4 is exhausted through the air exhaust hole 7, and the cold air is used for heat dissipation and cooling.

[0027] Those aspects of the description which are not otherwise fully described are deemed to be part of the prior art to those of ordinary skill in the art.

[0028] While embodiments of the present application have been shown and described, it is to be understood that various other modifications can be made by those skilled in the art without departing from the spirit and scope of the present application, which is defined by the appended claims and their equivalents.

Claims

1. A full circumference water-cooled wall coking monitoring device comprising a mounting bracket (1), characterised in that: The lower part of the mounting frame (1) is provided with a monitoring rod (3), the mounting frame (1) is provided with a through sliding groove (11), the outside of the monitoring rod (3) is provided with a connecting frame (2), and the connecting frame (2) is rotatably connected with the monitoring rod (3), the connecting frame (2) is slidably connected with the mounting frame (1), one end of the monitoring rod (3) is provided with a protective cover (4), and the protective cover (4) is fixedly connected with the monitoring rod (3), the other end of the monitoring rod (3) is provided with a high-temperature-resistant optical probe (8), and the high-temperature-resistant optical probe (8) is threadedly connected with the monitoring rod (3), the inside of the protective cover (4) is provided with a digital camera (14), and the digital camera (14) is connected with the protective cover (4) through screws, the inside of the monitoring rod (3) is provided with a data line (21), and the two ends of the data line (21) are respectively electrically connected with the high-temperature-resistant optical probe (8) and the digital camera (14), the inside of the connecting frame (2) is provided with a driving cavity (18), the inside of the driving cavity (18) is provided with a first gear (19) and a second gear (20), and the first gear (19) is meshedly connected with the second gear (20), the first gear (19) and the second gear (20) are rotatably connected with the connecting frame (2), the second gear (20) is arranged outside the monitoring rod (3), and the second gear (20) is fixedly connected with the monitoring rod (3), one side of the connecting frame (2) is provided with a first motor (10), and the first motor (10) is connected with the connecting frame (2) through screws, and the output end of the first motor (10) is connected with the first gear (19).

2. A full circumference water-cooled wall coking monitoring device according to claim 1, characterized in that: The contact part of the monitoring rod (3) and the connecting frame (2) is provided with a bearing (22), the bearing (22) is provided with two, and the two bearings (22) are arranged on the two sides of the second gear (20), the bearing (22) is arranged outside the monitoring rod (3), and the inner and outer walls of the bearing (22) are respectively matched with the monitoring rod (3) and the connecting frame (2).

3. A full circumference water-cooled wall coking monitoring device according to claim 1, characterized in that: One side of the mounting frame (1) is provided with a second motor (12), and the second motor (12) is connected with the mounting frame (1) through screws, a threaded hole (9) is arranged on the connecting frame (2), a lead screw (13) is arranged in the threaded hole (9), one end of the lead screw (13) is connected with the output end of the second motor (12), the lead screw (13) is throughly threadedly connected with the connecting frame (2), and the lead screw (13) is rotatably connected with the mounting frame (1).

4. A full circumference water-cooled wall coking monitoring device according to claim 1, characterized in that: The inner wall of the through sliding groove (11) is provided with a rolling groove (16), the rolling groove (16) is provided with two, and the two rolling grooves (16) are arranged on the two sides of the connecting frame (2), the side wall of the connecting frame (2) is provided with a rolling ball (17), one end of the rolling ball (17) extends into the inside of the rolling groove (16), and the rolling ball (17) is rollingly connected with the mounting frame (1) and the connecting frame (2).

5. A full circumference water-cooled wall coking monitoring device according to claim 1, characterized in that: One side of the protective cover (4) is provided with an air inlet pipe (5), and one end of the air inlet pipe (5) penetrates and extends to the inside of the protective cover (4), the contact part of the air inlet pipe (5) and the protective cover (4) is provided with a connecting ring (6), and the connecting ring (6) is fixedly connected with the protective cover (4), the connecting ring (6) is arranged outside the air inlet pipe (5), and the air inlet pipe (5) and the protective cover (4) are rotatably connected through the connecting ring (6).

6. A full circumference water-cooled wall coking monitoring device according to claim 1, characterized in that: One end of the protective cover (4) is provided with an exhaust hole (7), the inside of the exhaust hole (7) is provided with a dust screen (15), and the dust screen (15) is connected with the protective cover (4) in an integrated manner.

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