CN213634192U

CN213634192U - Control device for centralized control operation of thermal power plant

Info

Publication number: CN213634192U
Application number: CN202022899119.0U
Authority: CN
Inventors: 李业伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-06
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a control device for centralized control operation of a thermal power plant, which comprises a pipe body, wherein the bottom on the right side of the pipe body is fixedly communicated with an air suction pipe, the bottom of the pipe body is fixedly provided with a water collecting ring pipe, the bottom of the water collecting ring pipe is fixedly connected with a bottom pipe, the pipe body is provided with a control device, the top of the pipe body is fixedly provided with an air inlet pipe, the left side and the right side of the air inlet pipe are respectively communicated with a first air pipe and a second air pipe, the air inlet pipe is provided with a first electromagnetic valve, the first electromagnetic valve is positioned at the top ends of the first air pipe and the second air pipe, the first air pipe and the second air pipe are respectively provided with a second electromagnetic valve and a third electromagnetic valve, a motor is started through a PLC control panel, a power shaft rod is rotated to drive a fan to rotate to generate air flow, the purpose of energy-saving consumption of the air conditioning system is achieved, the condenser pipe is cooled, and the condensation effect of water vapor of the condenser pipe is improved.

Description

Control device for centralized control operation of thermal power plant

Technical Field

The utility model belongs to the technical field of the cooling arrangement of thermal power plant, specifically be a control device of thermal power plant with centralized control operation.

Background

The power generation of current thermal power plant adopts centralized control technique to handle, adopts generator, boiler and turboset to assemble the processing, realizes integrated control operation standard, and the external environment of thermal power plant operation contains the electronic environment, and the operation safety of whole thermal power plant is directly influenced to external system's safety, stabilizes the temperature regulation to integrated component through controlling air conditioning system, ensures control temperature humidity, ensures external environment's rationality, guarantees the validity of simulator operation.

The air conditioning system has overlarge operating pressure, an indirect cooling control device is needed, the energy-saving requirement is not considered in the aspects of design and equipment type selection of the existing indirect cooling control device, and the problem of large energy saving is solved; meanwhile, the automation level is low, the working temperature of each integrated assembly cannot be monitored in real time with the operation of an air conditioning system, and the labor capacity of workers is increased easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal power plant is with controlling means of centralized control operation to the design that solves prior art existence and the problem of the energy-conserving demand of all not having considered in the aspect of the equipment lectotype.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a controlling means of thermal power plant with centralized control operation, includes the body, the bottom mounting intercommunication on body right side has the breathing pipe, the bottom fixed mounting of body has the water-collecting ring pipe, the bottom fixedly connected with bottom tube of water-collecting ring pipe, install controlling means on the body, the top fixed mounting of body has the intake pipe, the left and right sides of intake pipe communicates respectively has first breather pipe and second breather pipe, install first solenoid valve in the intake pipe, first solenoid valve is located first breather pipe and second breather pipe's top, install second solenoid valve and third solenoid valve on first breather pipe and the second breather pipe respectively.

Preferably, the air suction pipe is provided with an air valve and an air pump, the bottom end of the air pump is fixedly connected with a support frame, and the inner side wall of the pipe body is provided with a condensation pipe.

Preferably, the right side of the water collecting ring pipe is communicated with a water outlet pipe, and one end, far away from the water collecting ring pipe, of the water outlet pipe is connected with a water storage tank.

Preferably, a motor is fixedly installed in the bottom pipe, the output end of the motor is connected with a power shaft rod through a speed reducer, and a fan is fixedly installed on the power shaft rod.

Preferably, controlling means includes the guard box, guard box fixed mounting is on the body, the top of guard box articulates there is the case lid, the temperature instrument is installed in the front of guard box, evenly be connected with many SMD temperature sensor on the temperature instrument, the right side fixed mounting of guard box has PLC control panel, install singlechip and accumulator, PC in the guard box. The single chip microcomputer, the storage and the temperature instrument are electrically connected with the PLC control panel.

Preferably, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the motor are all electrically connected with the PLC control panel.

The utility model has the advantages that:

1. when the temperature of the boiler is overhigh, a first electromagnetic valve is opened through a PLC control panel, mixed gas with water vapor in the boiler is transmitted into a pipe body through an air inlet pipe, the mixed gas containing the water vapor is contacted with a condenser pipe, the water vapor in the mixed gas can be condensed on the condenser pipe, an air valve is opened, an air pump is started again to enable an air suction pipe to generate suction, the mixed gas with the water vapor removed from the pipe body is discharged, the air valve is closed, a motor is started through the PLC control panel, a power shaft rod is rotated to drive a fan to rotate to generate air flow, cold air in the pipe body is transmitted into the air inlet pipe, the boiler is accelerated to be cooled, the purpose of energy saving and consumption of an air conditioning system is achieved, meanwhile, the condenser pipe is cooled, the condensation effect of the water vapor of the condenser pipe is improved, a generator and a steam turbine unit are analogized at the back, when the condensed, the water can enter the water storage tank through the water outlet pipe, so that the centralized treatment is facilitated, and the waste is avoided;

2. the temperature instrument is connected with the generator, the boiler and the steam turbine set by the multiple patch type temperature sensors, the working temperatures of the generator, the boiler and the steam turbine set are detected and determined, the degree data displayed on the temperature instrument is received by the single chip microcomputer and transmitted to the PLC control panel, the degree data is transmitted to the storage device to be stored, and the degree data is transmitted to the indoor computer of the air conditioning system to be monitored in real time through the PC.

Drawings

FIG. 1: the structure of the control device for centralized control operation of the thermal power plant is the schematic diagram;

FIG. 2: is a schematic diagram of the internal structure of the tube body of the utility model;

FIG. 3: do the utility model discloses guard box inner structure schematic diagram.

In the figure: 1. a pipe body; 11. an air intake duct; 12. an air valve; 13. an air pump; 14. a support frame; 15. a condenser tube; 2. a water collecting ring pipe; 21. a water outlet pipe; 22. a water storage tank; 3. a bottom tube; 31. a motor; 32. a fan; 4. a control device; 41. a protection box; 42. a temperature meter; 43. a surface mount type temperature sensor; 44. a PLC control panel; 45. a single chip microcomputer; 46. a reservoir; 47. a PC machine; 5. an air inlet pipe; 51. a first vent pipe; 52. a second vent pipe; 53. a first solenoid valve; 54. a second solenoid valve; 55. and a third solenoid valve.

Detailed Description

The technical solution provided by the present invention is clearly and completely described below with reference to the embodiments and the accompanying drawings.

Please refer to fig. 1-3, the present invention provides a technical solution: a control device for centralized control operation of a thermal power plant comprises a pipe body 1, wherein the bottom end of the right side of the pipe body 1 is fixedly communicated with an air suction pipe 11, the bottom end of the pipe body 1 is fixedly provided with a water collecting ring pipe 2, the bottom end of the water collecting ring pipe 2 is fixedly connected with a bottom pipe 3, the pipe body 1 is provided with a control device 4, the top end of the pipe body 1 is fixedly provided with an air inlet pipe 5, the left side and the right side of the air inlet pipe 5 are respectively communicated with a first air pipe 51 and a second air pipe 52, the air inlet pipe 5 is provided with a first electromagnetic valve 53, the first electromagnetic valve 53 is positioned at the top ends of the first air pipe 51 and the second air pipe 52, the first air pipe 51 and the second air pipe 52 are respectively provided with a second electromagnetic valve 54 and a; collecting condensed water through the water collecting ring pipe 2; the control device 4 controls the opening and closing of the first solenoid valve 53, the second solenoid valve 54 and the third solenoid valve 55; is connected with the boiler through an air inlet pipe 5; is communicated with the generator chamber through a first breather pipe 51; and communicates with the turbine unit chamber through a second vent pipe 52.

Referring to fig. 1-2, an air valve 12 and an air pump 13 are installed on the air suction pipe 11, a support frame 14 is fixedly connected to the bottom end of the air pump 13, a condensation pipe 15 is arranged on the inner side wall of the pipe body 1, and the air delivery state of the air suction pipe 11 can be controlled through the air valve 12; the first electromagnetic valve 53 is opened, the mixed gas with water vapor in the boiler is transmitted into the tube body 1 through the air inlet pipe 5, the mixed gas containing the water vapor is contacted with the condensation pipe 15, the water vapor in the mixed gas can be condensed on the condensation pipe 15, then the air valve 12 is opened, the air pump 13 is started to enable the air suction pipe 11 to generate suction, and the mixed gas with the water vapor removed in the tube body 1 is discharged.

Referring to fig. 1, the right side intercommunication of water collection ring pipe 2 has outlet pipe 21, the one end of keeping away from water collection ring pipe 2 on outlet pipe 21 is connected with storage water tank 22, the mist that contains vapor contacts with condenser pipe 15, vapor in the mist can condense on condenser pipe 15, the water that condenses flows to water collection ring pipe 2 along with condenser pipe 15 in, when the water of condensation accumulates to certain volume, can enter into storage water tank 22 through outlet pipe 21 in, be convenient for centralized processing, avoid extravagant.

Referring to fig. 1, fixed mounting has motor 31 in the bottom tube 3, the motor 31 output is connected with the power shaft pole through the speed reducer, fixed mounting has fan 32 on the power shaft pole, through starter motor 31, thereby make the power shaft pole rotate and drive the rotatory air current that produces of fan 32, transmit intake pipe 5 or first breather pipe 51 with the air conditioning in the body 1, in the second breather pipe 52, accelerate to cool down integrated component, can cool down for condenser pipe 15 simultaneously, improve the condensation effect of the vapor of condenser pipe 15.

Referring to fig. 1 and 3, the control device 4 includes a protection box 41, the protection box 41 is fixedly installed on the pipe body 1, a box cover is hinged to the top end of the protection box 41, a temperature instrument 42 is installed on the front surface of the protection box 41, a plurality of patch type temperature sensors 43 are uniformly connected to the temperature instrument 42, a PLC control panel 44 is fixedly installed on the right side of the protection box 41, and a single chip microcomputer 45, a storage 46 and a PC 47 are installed in the protection box 41. The single chip microcomputer 45, the storage 46 and the temperature instrument 42 are electrically connected with the PLC control panel 44, and the single chip microcomputer 45, the storage 46 and the PC 47 are protected by the protection box 41, so that working components are not easy to damage; the temperature instrument 42 is connected with the generator, the boiler and the steam turbine set by a plurality of patch type temperature sensors 43, so as to detect the working temperature of the generator, the boiler and the steam turbine set, and then the temperature instrument 42 is watched to determine the temperature degree; the degree data displayed on the temperature instrument 42 is received by the singlechip 45, then is transmitted to the storage 46 for storage, and is transmitted to the control room of the air conditioning system by the PC 47, and the PC 47 is connected with the computer in the control room of the air conditioning system by network signals for real-time monitoring; the degrees displayed on the temperature instrument 42 are transmitted to the PLC control panel 44 through the single chip microcomputer 45, and the judgment control operation is carried out through the PLC control panel 44.

Referring to fig. 1, the first solenoid valve 53, the second solenoid valve 54, the third solenoid valve 55 and the motor 31 are electrically connected to the PLC control panel 44, and the PLC control panel 44 controls the operating states of the first solenoid valve 53, the second solenoid valve 54, the third solenoid valve 55 and the motor 31, so as to control the air inlet pipe 5, the first vent pipe 51 and the second vent pipe 52 to transport cold air, stably adjust the temperature of the integrated component, control the temperature and humidity, ensure the rationality of the external environment, ensure the effectiveness of the operation of the integrated component, and reduce the temperature adjustment pressure of the air conditioning system.

The working principle is as follows: when in use, a plurality of patch type temperature sensors 43 are used for connecting the temperature instrument 42 with the generator, the boiler and the steam turbine set so as to detect and determine the working temperature of the generator, the boiler and the steam turbine set, the data of the degree displayed on the temperature instrument 42 is received by the singlechip 45 and transmitted to the PLC control panel 44, and is transmitted to the memory 46 for storage, and is transmitted to the computer in the control room of the air conditioning system for real-time monitoring through the PC 47, the PLC control panel 44 controls the first electromagnetic valve 53, the second electromagnetic valve 54 and the third electromagnetic valve 55 according to the temperature of each integrated component, when the temperature of the boiler is overhigh, the first electromagnetic valve 53 is opened through the PLC control panel 44, the mixed gas with water vapor in the boiler is transmitted into the pipe body 1 through the air inlet pipe 5, the mixed gas containing the water vapor is contacted with the condensing pipe 15, the water vapor in the mixed gas can be condensed on the condensing pipe 15, the air valve 12 is opened again, the air pump 13 is started again to enable the air suction pipe 11 to generate suction, mixed gas with water vapor removed in the pipe body 1 is discharged, the motor 31 is started through the PLC control panel 44, the power shaft rod is made to rotate to drive the fan 32 to rotate to generate air flow, cold air in the pipe body 1 is transmitted into the air inlet pipe 5, the boiler is accelerated to be cooled, the working pressure of an air conditioning system is reduced, meanwhile, the condenser pipe 15 is cooled, and the following generator and the steam turbine set are analogized.

Claims

1. The utility model provides a controlling means of thermal power plant with centralized control operation, includes body (1), its characterized in that: the utility model discloses a water collecting device, including body (1), bottom fixed intercommunication on body (1) right side has breathing pipe (11), the bottom fixed mounting of body (1) has water-collecting ring pipe (2), the bottom fixedly connected with bottom tube (3) of water-collecting ring pipe (2), install controlling means (4) on body (1), the top fixed mounting of body (1) has intake pipe (5), the left and right sides of intake pipe (5) communicates respectively has first breather pipe (51) and second breather pipe (52), install first solenoid valve (53) on intake pipe (5), first solenoid valve (53) are located the top of first breather pipe (51) and second breather pipe (52), install second solenoid valve (54) and third solenoid valve (55) on first breather pipe (51) and second breather pipe (52) respectively.

2. The thermal power plant centralized control operation control device according to claim 1, characterized in that: the air suction pipe is characterized in that an air valve (12) and an air pump (13) are installed on the air suction pipe (11), a support frame (14) is fixedly connected to the bottom end of the air pump (13), and a condensation pipe (15) is arranged on the inner side wall of the pipe body (1).

3. The thermal power plant centralized control operation control device according to claim 1, characterized in that: the water collecting ring pipe is characterized in that the right side of the water collecting ring pipe (2) is communicated with a water outlet pipe (21), and one end, far away from the water collecting ring pipe (2), of the water outlet pipe (21) is connected with a water storage tank (22).

4. The thermal power plant centralized control operation control device according to claim 1, characterized in that: the motor (31) is fixedly installed in the bottom pipe (3), the output end of the motor (31) is connected with a power shaft rod through a speed reducer, and a fan (32) is fixedly installed on the power shaft rod.

5. The thermal power plant centralized control operation control device according to claim 1, characterized in that: controlling means (4) are including guard box (41), guard box (41) fixed mounting is on body (1), the top of guard box (41) articulates there is the case lid, temperature instrument (42) are installed in the front of guard box (41), evenly be connected with many SMD temperature sensor (43) on temperature instrument (42), the right side fixed mounting of guard box (41) has PLC control panel (44), install singlechip (45) and accumulator (46), PC (47) in guard box (41), singlechip (45) and accumulator (46), temperature instrument (42) all with PLC control panel (44) electric connection.

6. The thermal power plant centralized control operation control device according to claim 1, characterized in that: the first electromagnetic valve (53), the second electromagnetic valve (54), the third electromagnetic valve (55) and the motor (31) are all electrically connected with the PLC control panel (44).