Power plant circulating water temperature monitoring device

Abstract

The utility model discloses a power plant circulating water temperature monitoring device, and relates to the technical field of power plant circulating water temperature monitoring, the power plant circulating water temperature monitoring device comprises a mounting plate, a water temperature monitoring assembly and a cleaning assembly, the left and right sides of the mounting plate are respectively provided with a rotating motor, the lower side of each rotating motor is provided with a rotating shaft, and the lower part of each rotating shaft is fixedly provided with a mounting rod; a water temperature monitoring assembly is mounted on one side of the exterior of the mounting rod, a cleaning assembly is mounted on the outer side of the water temperature monitoring assembly and comprises a second telescopic rod, a connecting plate, a shaft sleeve, a cleaning ring, a dirt removal brush and fan blades, and the connecting plate is fixed to one end of the second telescopic rod. According to the power plant circulating water temperature monitoring device, the water temperature monitoring assembly can monitor the temperature of circulating water at different heights and positions in the cooling water pool, and the cleaning ring inner wall decontamination brush can move in a reciprocating mode to clean and decontaminate the outside of a probe of the temperature sensor; impurities are prevented from adhering to the surface of the probe of the temperature sensor to affect the water temperature monitoring accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of power plant circulating water temperature monitoring, in particular to a power plant circulating water temperature monitoring device. Background Art

[0002] A thermal power plant is a factory that uses combustibles as fuel to produce electricity. The circulating water system is one of the most important systems in a thermal power plant. During the use of the circulating water system, a water temperature monitoring device is required to monitor the temperature of the circulating water in the power plant.

[0003] Existing power plant circulating water temperature monitoring devices usually use temperature sensors to monitor water temperature. However, when the temperature sensor is placed in the water for a long time, impurities are easily attached to the surface of the probe, which affects the monitoring sensitivity of the temperature sensor and thus affects the accuracy of water temperature monitoring.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a power plant circulating water temperature monitoring device is proposed. Utility Model Content

[0005] The utility model aims to provide a circulating water temperature monitoring device for a power plant to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power plant circulating water temperature monitoring device, comprising a mounting plate, a water temperature monitoring component and a cleaning component, wherein rotating motors are mounted on both sides of the mounting plate, and a rotating shaft is arranged on the lower side of the rotating motor, a mounting rod is fixed below the rotating shaft, and a water temperature monitoring component is mounted on the outer side of the mounting rod, a cleaning component is mounted on the outer side of the water temperature monitoring component, and the cleaning component comprises a second telescopic rod, a connecting plate, a shaft sleeve, a cleaning ring, a decontamination brush and fan blades, a connecting plate is fixed to one end of the second telescopic rod, and a shaft sleeve is fixed to the side of the connecting plate close to the water temperature monitoring component, a cleaning ring is rotatably arranged on the inner side of the shaft sleeve through a bearing, and a decontamination brush is fixed to the inner wall of the cleaning ring, and fan blades are mounted on the outer wall of the protruding shaft sleeve portion of the cleaning ring.

[0007] Furthermore, a lifting assembly is arranged on the upper side of the mounting plate, and the lifting assembly includes a support plate and a hanger, hangers are fixed on both sides above the support plate, and the hangers are in an inverted "L" shape, and bolts penetrate the upper side of the hangers.

[0008] Furthermore, the lifting assembly also includes a cylinder and a piston rod. The cylinder is installed above the middle of the support plate, and the piston rod is arranged on the lower side of the cylinder, and the bottom of the piston rod is fixedly connected to the mounting plate.

[0009] Furthermore, the water temperature monitoring assembly includes a fixed inner rod, a movable outer rod, a fixed plate and a temperature sensor. The movable outer rod is slidably installed on the outer side of the fixed inner rod, and four groups of fixed inner rods and movable outer rods are provided. A fixed plate is welded to the other end of the movable outer rod, and a temperature sensor is installed on the outer side of the fixed plate.

[0010] Furthermore, the water temperature monitoring assembly also includes a connecting rod and a first telescopic rod, a connecting rod is connected between adjacent movable outer rods, a first telescopic rod is installed in the middle of the outside of the mounting rod, and the other end of the first telescopic rod is fixedly connected to the connecting rod.

[0011] Furthermore, the cleaning ring and the decontamination brush are located outside the probe of the temperature sensor, and four groups of cleaning rings and temperature sensors are provided.

[0012] The utility model provides a power plant circulating water temperature monitoring device, which has the following beneficial effects:

[0013] The utility model is provided with a water temperature monitoring component. The lifting component enables the water temperature monitoring component to monitor the temperature of circulating water at different heights in the cooling water pool. The rotating motor and the rotating shaft facilitate the steering of the mounting rod, so that the water temperature monitoring component on one side of the mounting rod can face different directions, so that the four groups of temperature sensors can monitor the temperature of circulating water at different positions in the cooling water pool.

[0014] The utility model is provided with a cleaning component, which can easily drive the reciprocating extension and retraction of the connecting plate, the shaft sleeve and the cleaning ring through the second telescopic rod, so that the decontamination brush on the inner wall of the cleaning ring can reciprocate to clean and decontaminate the outside of the probe of the temperature sensor, thereby preventing impurities from sticking to the probe surface of the temperature sensor and affecting the accuracy of water temperature monitoring; at the same time, the impact of water flow during movement can drive the rotation of the fan blades, so that the fan blades drive the rotation of the cleaning ring in the shaft sleeve, and then the decontamination brush can rotate and clean while moving, which has a better effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a power plant circulating water temperature monitoring device according to the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a water temperature monitoring component of a power plant circulating water temperature monitoring device of the utility model;

[0017] Figure 3 The utility model is a schematic diagram of the structure of a cleaning component of a power plant circulating water temperature monitoring device.

[0018] In the figure: 1. mounting plate; 2. lifting assembly; 201. support plate; 202. bracket; 203. cylinder; 204. piston rod; 3. rotating motor; 4. rotating shaft; 5. mounting rod; 6. water temperature monitoring assembly; 601. fixed inner rod; 602. movable outer rod; 603. fixing plate; 604. temperature sensor; 605. connecting rod; 606. first telescopic rod; 7. cleaning assembly; 701. second telescopic rod; 702. connecting plate; 703. bushing; 704. cleaning ring; 705. decontamination brush; 706. fan blade. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] like Figure 1 As shown, a circulating water temperature monitoring device for a power plant includes a mounting plate 1, a water temperature monitoring component 6 and a cleaning component 7. Rotating motors 3 are mounted on both left and right sides of the mounting plate 1, and a rotating shaft 4 is arranged on the lower side of the rotating motor 3. A lifting component 2 is arranged on the upper side of the mounting plate 1, and the lifting component 2 includes a supporting plate 201 and a hanging bracket 202. Hanging brackets 202 are fixed on both sides above the supporting plate 201, and the hanging brackets 202 are in an inverted "L"-shaped structure, and bolts penetrate the upper side of the hanging bracket 202; the lifting component 2 also includes a cylinder 203 and a piston rod 204, a cylinder 203 is mounted above the middle of the supporting plate 201, and a piston rod 204 is arranged on the lower side of the cylinder 203, and the bottom of the piston rod 204 is fixedly connected to the mounting plate 1;

[0021] The specific operation is as follows: the cylinder 203 and the piston rod 204 are used to drive the mounting plate 1 to rise and fall, thereby adjusting the position height of the water temperature monitoring components 6 on both sides below the mounting plate 1, so as to monitor the temperature of the circulating water at different heights in the cooling water pool. The bracket 202 on the upper side of the support plate 201 can be hung on the edge of the cooling water pool or other frames, and the installation of the bracket 202 can be achieved by tightening the bolts.

[0022] like Figure 1 and Figure 2As shown, a mounting rod 5 is fixed below the rotating shaft 4, and a water temperature monitoring assembly 6 is installed on one side of the outside of the mounting rod 5, the water temperature monitoring assembly 6 includes a fixed inner rod 601, a movable outer rod 602, a fixed plate 603 and a temperature sensor 604, a movable outer rod 602 is slidably installed on the outer side of the fixed inner rod 601, and the fixed inner rod 601 and the movable outer rod 602 are each provided with four groups, a fixed plate 603 is welded to the other end of the movable outer rod 602, and a temperature sensor 604 is installed on the outer side of the fixed plate 603; the water temperature monitoring assembly 6 also includes a connecting rod 605 and a first telescopic rod 606, a connecting rod 605 is connected between adjacent movable outer rods 602, a first telescopic rod 606 is installed in the middle of the outer side of the mounting rod 5, and the other end of the first telescopic rod 606 is fixedly connected to the connecting rod 605;

[0023] The specific operation is as follows: the rotating motor 3 and the rotating shaft 4 are used to drive the mounting rod 5 to turn, so that the water temperature monitoring component 6 on one side of the mounting rod 5 can be oriented to different directions. The first telescopic rod 606 is used to telescopically push the connecting rod 605 to move, thereby pushing the movable outer rod 602 to move, so as to adjust the total length of the four groups of fixed inner rods 601 and movable outer rods 602, so that the four groups of temperature sensors 604 can monitor the temperature of the circulating water at different positions in the cooling water pool.

[0024] like Figure 1 and Figure 3 As shown, a cleaning component 7 is installed on the outside of the water temperature monitoring component 6, and the cleaning component 7 includes a second telescopic rod 701, a connecting plate 702, a sleeve 703, a cleaning ring 704, a decontamination brush 705 and a fan blade 706. A connecting plate 702 is fixed to one end of the second telescopic rod 701, and a sleeve 703 is fixed to the side of the connecting plate 702 close to the water temperature monitoring component 6, a cleaning ring 704 is rotatably provided on the inner side of the sleeve 703 through a bearing, and a decontamination brush 705 is fixed to the inner wall of the cleaning ring 704, and a fan blade 706 is installed on the outer wall of the cleaning ring 704 protruding from the sleeve 703; the cleaning ring 704 and the decontamination brush 705 are located outside the probe of the temperature sensor 604, and the cleaning ring 704 and the temperature sensor 604 are both provided with four groups;

[0025] The specific operation is as follows: the second telescopic rod 701 is used to drive the connecting plate 702, the sleeve 703, and the cleaning ring 704 to reciprocate and retract, so that the decontamination brush 705 on the inner wall of the cleaning ring 704 can reciprocate to clean and decontaminate the outside of the probe of the temperature sensor 604, thereby preventing impurities from sticking to the probe surface of the temperature sensor 604 and affecting the accuracy of water temperature monitoring. At the same time, the impact of water flow during movement can drive the rotation of the fan blades 706, so that the fan blades 706 drive the rotation of the cleaning ring 704 inside the sleeve 703, and then the decontamination brush 705 can rotate and clean while moving, which is more effective.

[0026] In summary, if Figure 1-Figure 3 As shown, when the power plant circulating water temperature monitoring device is used, first, the bracket 202 on the upper side of the support plate 201 can be hung on the edge of the cooling water pool of the power plant circulating water or other frames, and then the bracket 202 can be installed by bolt locking, and then the cylinder 203 and the piston rod 204 can be used to drive the installation plate 1 to rise and fall, so as to adjust the position height of the water temperature monitoring components 6 on both sides below the installation plate 1, and the rotating motor 3 and the rotating shaft 4 can be used to drive the rotation of the installation rod 5, so that the water temperature monitoring component 6 on one side of the installation rod 5 can face different directions, and then the first telescopic rod 606 is telescopically pushed to move the connecting rod 605, so as to push the movable outer rod 602 to move, so as to adjust the total length of the four groups of fixed inner rods 601 and movable outer rods 602, so that the four groups of temperature sensors 604 can monitor the temperature of the circulating water at different heights and positions in the cooling water pool;

[0027] After long-term use, the second telescopic rod 701 can be used to drive the connecting plate 702, the shaft sleeve 703, and the cleaning ring 704 to reciprocate and retract, so that the decontamination brush 705 on the inner wall of the cleaning ring 704 can reciprocate to clean and decontaminate the outside of the probe of the temperature sensor 604, thereby preventing impurities from sticking to the probe surface of the temperature sensor 604 and affecting the accuracy of water temperature monitoring. At the same time, the impact of water flow during movement can drive the rotation of the fan blades 706, so that the fan blades 706 drive the rotation of the cleaning ring 704 inside the shaft sleeve 703, and then the decontamination brush 705 can rotate and clean while moving, thus completing the use process of the power plant circulating water temperature monitoring device.

[0028] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A circulating water temperature monitoring device for a power plant, comprising a mounting plate (1), a water temperature monitoring component (6) and a cleaning component (7), characterized in that: The left and right sides of the mounting plate (1) are both equipped with a rotating motor (3), and a rotating shaft (4) is arranged at the lower side of the rotating motor (3), a mounting rod (5) is fixed below the rotating shaft (4), and a water temperature monitoring component (6) is installed on the outer side of the mounting rod (5), and a cleaning component (7) is installed on the outer side of the water temperature monitoring component (6), and the cleaning component (7) comprises a second telescopic rod (701), a connecting plate (702), a shaft sleeve (703), a cleaning ring (704), a cleaning rod (705), a cleaning rod (706), a cleaning rod (707), a cleaning rod (708), a cleaning rod (709), a cleaning rod (710), a cleaning rod (711), a cleaning rod (712), a cleaning rod (713), a cleaning rod (714), a cleaning rod (715), a cleaning rod (716), a cleaning rod (717), a cleaning rod (718), a cleaning rod (719), a cleaning rod (720), a cleaning rod (721), a cleaning rod (722), a cleaning rod (723), a cleaning rod (724), a cleaning rod (725), a cleaning rod (726), a cleaning rod (727), a cleaning rod (728), a cleaning rod (729), a cleaning rod (730), a cleaning rod (731), a cleaning rod (732), a cleaning rod (733), a cleaning rod (734), a cleaning rod (735), a cleaning rod (736), a cleaning rod (737), a cleaning rod (738), a cleaning rod (739), a cleaning rod (739), a cleaning rod (731), a cleaning rod (731), a cleaning rod (732), a cleaning rod (733), a cleaning rod (734), a cleaning rod (735), a cleaning rod (736), a cleaning rod (737), a cleaning rod (738), a cleaning rod (739), A dirt brush (705) and a fan blade (706), a connecting plate (702) is fixed to one end of the second telescopic rod (701), and a shaft sleeve (703) is fixed to the side of the connecting plate (702) close to the water temperature monitoring component (6), a cleaning ring (704) is rotatably arranged on the inner side of the shaft sleeve (703) through a bearing, and a dirt removal brush (705) is fixed to the inner wall of the cleaning ring (704), and a fan blade (706) is installed on the outer wall of the cleaning ring (704) protruding from the shaft sleeve (703).

2. A power plant circulating water temperature monitoring device according to claim 1, characterized in that: A lifting assembly (2) is arranged on the upper side of the mounting plate (1), and the lifting assembly (2) comprises a support plate (201) and a hanger (202), the hangers (202) are fixed on both sides above the support plate (201), the hangers (202) are in an inverted "L"-shaped structure, and bolts penetrate the upper side of the hangers (202).

3. A power plant circulating water temperature monitoring device according to claim 2, characterized in that: The lifting assembly (2) further comprises a cylinder (203) and a piston rod (204); the cylinder (203) is installed above the middle of the support plate (201), and the piston rod (204) is arranged on the lower side of the cylinder (203); and the bottom of the piston rod (204) is fixedly connected to the mounting plate (1).

4. A power plant circulating water temperature monitoring device according to claim 1, characterized in that: The water temperature monitoring component (6) comprises a fixed inner rod (601), a movable outer rod (602), a fixed plate (603) and a temperature sensor (604); the movable outer rod (602) is slidably mounted on the outer side of the fixed inner rod (601); four groups of the fixed inner rod (601) and the movable outer rod (602) are provided; the other end of the movable outer rod (602) is welded with a fixed plate (603), and the temperature sensor (604) is mounted on the outer side of the fixed plate (603).

5. A power plant circulating water temperature monitoring device according to claim 4, characterized in that: The water temperature monitoring assembly (6) further comprises a connecting rod (605) and a first telescopic rod (606), wherein the connecting rod (605) is connected between adjacent movable outer rods (602), the first telescopic rod (606) is installed in the middle of the outside of the installation rod (5), and the other end of the first telescopic rod (606) is fixedly connected to the connecting rod (605).

6. A power plant circulating water temperature monitoring device according to claim 4, characterized in that: The cleaning ring (704) and the decontamination brush (705) are located outside the probe of the temperature sensor (604), and the cleaning ring (704) and the temperature sensor (604) are both provided in four groups.

Images