CN118170076B - Cold end optimizing operation system of unit - Google Patents
Cold end optimizing operation system of unit Download PDFInfo
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- CN118170076B CN118170076B CN202410592169.4A CN202410592169A CN118170076B CN 118170076 B CN118170076 B CN 118170076B CN 202410592169 A CN202410592169 A CN 202410592169A CN 118170076 B CN118170076 B CN 118170076B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 182
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims description 39
- 239000012535 impurity Substances 0.000 claims description 32
- 230000000670 limiting effect Effects 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 11
- 241001233242 Lontra Species 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 claims description 4
- 238000007619 statistical method Methods 0.000 claims description 4
- 239000010813 municipal solid waste Substances 0.000 claims 2
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a unit cold end optimizing operation system, which comprises: the data monitoring module is used for acquiring real-time monitoring data in the circulating waterway; and the data early warning module is used for analyzing and judging the rationality of the real-time monitoring data according to the comparison with the historical data, and carrying out early warning when the comparison result is judged to be abnormal data. According to the unit cold end optimizing operation system provided by the invention, the optimal operation mode of the circulating water pump is calculated through the optimal vacuum preset by the condenser, the data of the unit cold end equipment is monitored in real time through the data monitoring module, the current operation mode is compared with the historical data through the data early warning module, if different, the system is early warned, the operation mode of the circulating water pump is switched through the data adjusting module to be in optimal state all the time, the real-time cold end optimal control under the current environmental condition is realized, and the energy saving potential of the thermal power unit is furthest mined.
Description
Technical Field
The invention relates to the technical field of thermal power generation, in particular to a unit cold end optimizing operation system.
Background
At present, a digital transfer system is mostly built in a newly built thermal power plant in China, design data, construction data and installation and debugging information of main and auxiliary equipment of the power plant can be widely collected through digital transfer in a power plant foundation period, and the digital transfer system is connected with a three-dimensional model in a hanging mode, so that a solid data foundation is laid for research and development of an intelligent production operation system of the power plant. The power plant DCS system is a control system for realizing the production and adjustment of the power plant, and realizes automatic control through logic configuration according to the state of the unit and the change of the external environment.
The efficiency of a thermal power generating unit is affected by cold end parameters, wherein the circulating water volume sometimes has adjusting conditions, and the cold end operation can be in an optimal state. However, at present, the temperature rise of the circulating water is simply controlled, and the cold end cannot reach the optimization level of the current environmental conditions, so that the energy-saving potential of the thermal power unit is not beneficial to being furthest excavated. Therefore, the application provides a unit cold end optimizing operation system, and provides a new technical scheme for solving the technical problems.
Disclosure of Invention
Based on the above technical problems, it is necessary to provide an optimized operation system for a cold end of a unit, by means of the preset optimal vacuum of a condenser, the optimal operation mode of a circulating water pump is calculated, the data of the cold end equipment of the unit is monitored in real time by means of a data monitoring module, the current operation mode is compared with historical data by means of a data early warning module, if the current operation mode is different from the historical data, the system is early warned, an instruction is input by means of a data adjusting module, the operation mode of the circulating water pump is switched, the operation mode of the circulating water pump is always in the optimal state, the optimal control of the real-time cold end under the current environmental condition is realized, and the energy-saving potential of the thermal power unit is furthest mined.
In order to solve the technical problems, the invention adopts the following technical scheme:
a unit cold end optimizing operation system is applied to unit cold end operation optimization.
The unit cold end optimizing operation system specifically comprises:
the data monitoring module is used for acquiring real-time monitoring data in the circulating waterway;
the data early warning module is used for analyzing and judging the rationality of the real-time monitoring data according to the comparison with the historical data, and carrying out early warning when the comparison result is judged to be abnormal data;
The data adjustment module is used for adjusting the optimal operation mode of the circulating water pump according to the optimal vacuum of the condenser;
The equipment maintenance early warning module is used for carrying out statistical change analysis according to comparison with the historical data and providing maintenance management early warning prompt for cold end facilities;
the consumption difference diagnosis module is used for comparing the consumption difference between the real-time operation mode and the assumed operation mode of the cold end equipment and displaying the result in an open loop;
the real-time monitoring data acquired by the data monitoring module comprises:
The thermal performance monitoring data of the cooling tower are used for analyzing the change of the cooling water temperature and the water quantity of the cooling tower and constructing a thermal performance calculation model of the cooling tower;
The circulating water pump operation monitoring data are used for constructing a circulating water pump characteristic change curve model;
The condenser operation monitoring data are used for constructing a condenser water resistance model and an end difference model;
The pipeline characteristic operation monitoring data are used for constructing a circulating water system pipeline resistance model;
And the unit load monitoring data is used for carrying out unit load gradual change statistical analysis.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the data monitored by the cooling tower thermal performance analysis module at least comprises shaft water level, water inlet water temperature and flow; the data monitored by the operation analysis module of the circulating water pump at least comprises the pressure and flow of the water outlet of the circulating water pump, the power consumption of a motor and the water level of a water suction tank; the data monitored by the condenser operation analysis module at least comprises the water temperature, the pressure and the vacuum degree of water entering and exiting the condenser; the data monitored by the pipeline characteristic operation analysis module at least comprises water flow and pressure in the pipeline.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the circulating water pump comprises two water pump bodies, two circulating water inlet pipelines, a circulating water delivery pipeline and a base underframe, wherein the two water pump bodies are arranged in parallel, the input ends of the two water pump bodies are fixedly connected with the circulating water inlet pipeline, the output ends of the two water pump bodies are fixedly connected with the circulating water delivery pipeline, the two water pump bodies are fixed on the base underframe, a filter valve is detachably fixed between the input end of the water pump body and the circulating water inlet pipeline, a first switch valve is detachably fixed between the filter valve and the circulating water inlet pipeline, a connecting pipe is detachably fixed between the output end of the water pump body and the circulating water delivery pipeline, and a second switch valve is detachably fixed between the connecting pipe and the circulating water delivery pipeline.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, one end of the upper end of the base underframe is fixedly provided with the base support frame, the lower end of the water pump main body is detachably fixed with the base support frame through the mounting frame, the outer side of the water pump main body and the outer side of the motor part are provided with the protection boxes for protecting the motor part of the water pump main body, the other end of the upper end of the base underframe is provided with the impurity collecting boxes, and the impurity collecting boxes are positioned at the position below the filter valve.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the mounting frame comprises a frame main body, rubber blocks are respectively arranged above two ends of the frame main body, a rubber pad is sleeved at the lower end of the water pump main body, the two ends of the lower end of the water pump main body are respectively and sequentially fixedly connected with the rubber block, the frame main body and the rubber pad from top to bottom through bolts, and a positioning buckle block is fixed at the lower end of the frame main body and extends to the inner side of the base support frame through the base support frame; an I-shaped connecting beam is arranged in the base support frame and is in transverse plug connection with the positioning buckle block, a bottom buckle block is fixed at the bottom of the inner side of the base support frame, and the lower end of the I-shaped connecting beam is in transverse plug connection with the bottom buckle block; and two ends of the I-shaped connecting beam are connected and fixed with the base support frame through the limiting assembly.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the limiting assembly comprises a limiting plugboard, the limiting plugboard is positioned at the outer side of the base support frame, limiting plugboards are fixed at four end angle positions of the lower end of the limiting plugboard, the limiting plugboards are in plug connection with the base support frame, the limiting plugboards are in plug connection with the base underframe, the two limiting plugboards on the same side are in plug connection with the same side of the I-shaped connecting beam, and nuts are in threaded connection with the bottoms of the limiting plugboards and positioned at the inner side of the base underframe.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the protective box comprises a box upper part and a box lower part, wherein the box upper part and the box lower part are arranged up and down symmetrically, one ends of the box upper part and the box lower part are buckled and connected with a water pump main body, sealing strips are fixed at buckling positions of the box upper part and the box lower part with the water pump main body, and the other ends of the box upper part and the box lower part are rotationally connected through hinges; the lower ends of the two ends of the protective box are respectively fixedly provided with a supporting ventilation assembly, the lower ends of the supporting ventilation assemblies are fixedly connected with the base underframe, the upper ends of the supporting ventilation assemblies are communicated with the interior of the protective box, and the lower ends of the supporting ventilation assemblies are communicated with the interior of the base underframe; the support ventilation assembly comprises a ventilation groove, the air guide assembly is placed on the inner side of the ventilation groove, a taking and placing opening is formed in one side of the ventilation groove, a sealing plate is placed on the inner side of the taking and placing opening, and support rods are fixed on the inner wall of the ventilation groove and located below the end part of the air guide assembly and used for lifting the air guide assembly.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the air guide assembly comprises a U-shaped underframe, the periphery side of the U-shaped underframe is attached to the inner wall of the ventilation groove, a plurality of air guide fans are embedded in the middle of the upper end of the U-shaped underframe, the air guide fans are arranged in parallel, a fixed clamping plate is buckled on the upper end of the U-shaped underframe and positioned on the upper part of the air guide fan, a filter frame is arranged on the upper end of the U-shaped underframe and positioned on the upper part of the fixed clamping plate, and the end part of the filter frame is vertically connected with the end part of the U-shaped underframe in an inserting mode; the lower extreme of fixed splint and the position department corresponding with four terminal angles of air guide fan all are fixed with the location inserted bar, the terminal angle grafting of location inserted bar and the corresponding position of air guide fan is connected, the bottom and the U-shaped chassis grafting of location inserted bar are connected, the inboard of filter frame is provided with dustproof otter board, the tip of dustproof otter board is fixed with sand grip one, dustproof otter board is connected with the filter frame lock through sand grip one, the tip inboard of filter frame is fixed with sand grip two vertically for promote the frictional force of filter frame and U-shaped chassis junction.
As a preferred implementation mode of the unit cold end optimizing operation system provided by the invention, the other end of the upper end of the base underframe is provided with a placing groove, the impurity collecting box is placed inside the placing groove, and positioning protruding blocks are fixed at the upper end of the base underframe and at the positions of the two ends of the placing groove and used for limiting the movement of the impurity collecting box; the impurity collection box comprises a box main body, wherein an end plate is fixed at the end part of the box main body and positioned above the base underframe, two ends of the end plate are respectively and rotatably connected with a movable wheel, the lower end of the movable wheel is attached to the upper end of the base underframe, and a grabbing handle is fixed at the middle part of the end plate; the inside of case main part has placed grid support frame, filtration sponge, filtration frame in proper order from down to the top, the inside bottom mounting of filtration frame has the filter screen board, the outside end fixing of filtration frame has the extension board.
Compared with the prior art, the invention has the following beneficial effects:
According to the unit cold end optimizing operation system provided by the invention, the optimal operation mode of the circulating water pump is calculated through the optimal vacuum preset by the condenser, the data of the unit cold end equipment is monitored in real time through the data monitoring module, the current operation mode is compared with the historical data through the data early warning module, if different, the system is early warned, the operation mode of the circulating water pump is switched through the data adjusting module input instruction, the operation mode of the circulating water pump is always in the optimal state, the real-time cold end optimal control under the current environmental condition is realized, and the energy saving potential of the thermal power unit is furthest mined.
According to the unit cold end optimizing operation system, through the structural design of the base support frame and the mounting frame, the circulating water pump can be mounted, fixed and supported, the mounting is convenient and quick, the disassembly and maintenance of the water pump main body are convenient, the motor part of the water pump main body can be protected through the protection box, and the damage phenomenon of the motor part is reduced.
According to the unit cold end optimizing operation system, through the structural design of the supporting ventilation assembly, heat dissipation of the motor part of the water pump main body can be achieved by matching with the protective box, the air guide assembly is convenient to install and detach, maintenance is simple, the whole structure is compact, simple and small, and cleaning is convenient.
According to the unit cold end optimizing operation system provided by the invention, through the structural design of the impurity collecting box, impurities can be collected when the impurity is discharged through the filter valve, solid-liquid separation is carried out, and the whole unit is convenient to take and place, so that the filtered solids can be cleaned conveniently.
Drawings
In order to more clearly illustrate the solution of the present invention, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a circulating water pump in a unit cold end optimizing operation system provided by the invention;
FIG. 2 is a side view of the whole structure of a circulating water pump in the unit cold end optimizing operation system provided by the invention;
FIG. 3 is a schematic diagram of the installation structure of a water pump main body in the circulating water pump provided by the invention;
FIG. 4 is a schematic view of a mounting frame according to the present invention;
FIG. 5 is a side view of a mounting bracket according to the present invention showing a securing structure;
FIG. 6 is a schematic view of a limiting assembly according to the present invention;
FIG. 7 is a schematic view of the structure of the protective housing and the supporting ventilation assembly provided by the invention;
FIG. 8 is a schematic structural diagram of a protective case according to the present invention;
FIG. 9 is a schematic view of a support ventilation assembly according to the present invention;
FIG. 10 is a front view of an air guide assembly according to the present invention;
FIG. 11 is a schematic diagram of a connection structure of an air guide assembly according to the present invention;
FIG. 12 is a schematic view of the connection structure of the U-shaped chassis and the filter frame provided by the invention;
FIG. 13 is a schematic view of the structure of the impurity collecting box according to the present invention;
fig. 14 is a schematic view of an installation structure of the impurity collection box provided by the invention;
FIG. 15 is a schematic view of the structure of the impurity collection box provided by the invention;
fig. 16 is a schematic view showing an internal structure of the case main body provided by the present invention.
The labels in the figures are illustrated below:
1-a water pump main body; 2-a circulating water inlet pipeline; 3-a circulating water supply pipeline; 4-a filter valve; 5-a first switching valve; 6-connecting pipes; 7-a second switching valve; 8-a base chassis; 9-a base support frame; 10-a impurity collection box; 11-a protective box; 12-mounting frame; 13-a rack body; 14-rubber blocks; 15-a rubber pad; 16-positioning the buckling blocks; 17-I-shaped connecting beams; 18-bottom button block; 19-limiting plugboards; 20-limiting inserted bars; 21-supporting a ventilation assembly; 22-upper part of the box body; 23-lower part of the case; 24-sealing strips; 25-hinges; 26-a ventilation slot; 27-an air guide assembly; 28-sealing plate; 29-supporting rods; 30-U-shaped underframe; 31-an air guide fan; 32-fixing clamp plates; 33-a filter holder; 34-positioning the inserted link; 35-dustproof screen plate; 36-first convex strips; 37-second convex strips; 38-placing a groove; 39-positioning the bump; 40-a box body; 41-end plates; 42-moving wheels; 43-grip; 45-sealing cover; 46-grid support frame; 47-filtering the sponge; 48-a filter frame; 49-extension plate; 50-a filter screen plate.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As described in the background art, the efficiency of a thermal power generating unit is affected by cold end parameters, where the amount of circulating water sometimes has an adjusting condition, and the cold end operation can be made to be in an optimal state. However, at present, the temperature rise of the circulating water is simply controlled, and the cold end cannot reach the optimization level of the current environmental conditions, so that the energy-saving potential of the thermal power unit is not beneficial to being furthest excavated.
In order to solve the technical problem, the invention provides a unit cold end operation optimizing system which is applied to unit cold end operation optimizing.
The unit cold end optimizing operation system specifically comprises:
the data monitoring module is used for acquiring real-time monitoring data in the circulating waterway;
the data early warning module is used for analyzing and judging the rationality of the real-time monitoring data according to the comparison with the historical data, and carrying out early warning when the comparison result is judged to be abnormal data;
The data adjustment module is used for adjusting the optimal operation mode of the circulating water pump according to the optimal vacuum of the condenser;
The equipment maintenance early warning module is used for carrying out statistical change analysis according to comparison with the historical data and providing maintenance management early warning prompt for cold end facilities;
the consumption difference diagnosis module is used for comparing the consumption difference between the real-time operation mode and the assumed operation mode of the cold end equipment and displaying the result in an open loop;
the real-time monitoring data acquired by the data monitoring module comprises:
The thermal performance monitoring data of the cooling tower are used for analyzing the change of the cooling water temperature and the water quantity of the cooling tower and constructing a thermal performance calculation model of the cooling tower;
The circulating water pump operation monitoring data are used for constructing a circulating water pump characteristic change curve model;
The condenser operation monitoring data are used for constructing a condenser water resistance model and an end difference model;
The pipeline characteristic operation monitoring data are used for constructing a circulating water system pipeline resistance model;
And the unit load monitoring data is used for carrying out unit load gradual change statistical analysis.
According to the unit cold end optimizing operation system provided by the invention, the optimal operation mode of the circulating water pump is calculated through the optimal vacuum preset by the condenser, the data of the unit cold end equipment is monitored in real time through the data monitoring module, the current operation mode is compared with the historical data through the data early warning module, if different, the system is early warned, the operation mode of the circulating water pump is switched through the data adjusting module input instruction, the operation mode of the circulating water pump is always in the optimal state, the real-time cold end optimal control under the current environmental condition is realized, and the energy saving potential of the thermal power unit is furthest mined.
In order to make the person skilled in the art better understand the solution of the present invention, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1:
a unit cold end optimization run system, comprising:
the data monitoring module is used for acquiring real-time monitoring data in the circulating waterway;
the data early warning module is used for analyzing and judging the rationality of the real-time monitoring data according to the comparison with the historical data, and carrying out early warning when the comparison result is judged to be abnormal data;
The data adjustment module is used for adjusting the optimal operation mode of the circulating water pump according to the optimal vacuum of the condenser;
The equipment maintenance early warning module is used for carrying out statistical change analysis according to comparison with the historical data and providing maintenance management early warning prompt for cold end facilities;
the consumption difference diagnosis module is used for comparing the consumption difference between the real-time operation mode and the assumed operation mode of the cold end equipment and displaying the result in an open loop;
the real-time monitoring data acquired by the data monitoring module comprises:
The thermal performance monitoring data of the cooling tower are used for analyzing the change of the cooling water temperature and the water quantity of the cooling tower and constructing a thermal performance calculation model of the cooling tower; further, the data monitored by the cooling tower thermal performance analysis module at least comprises shaft water level, water inlet water temperature and flow;
The circulating water pump operation monitoring data are used for constructing a circulating water pump characteristic change curve model; further, the data monitored by the operation analysis module of the circulating water pump at least comprises the pressure and flow of the water outlet of the circulating water pump, the power consumption of a motor and the water level of a water suction tank;
The condenser operation monitoring data are used for constructing a condenser water resistance model and an end difference model; further, the data monitored by the condenser operation analysis module at least comprises the water temperature, the pressure and the vacuum degree of water entering and exiting the condenser;
The pipeline characteristic operation monitoring data are used for constructing a circulating water system pipeline resistance model; further, the data monitored by the pipeline characteristic operation analysis module at least comprises water flow and pressure in the pipeline;
And the unit load monitoring data is used for carrying out unit load gradual change statistical analysis.
The optimal operation mode of the circulating water pump is calculated through the optimal vacuum preset by the condenser, the data of the cold end equipment of the unit is monitored in real time through the data monitoring module, the current operation mode is compared with the historical data through the data early warning module, if different, the system is early warned, the instruction is input through the data adjusting module, the operation mode of the circulating water pump is switched, the operation mode of the circulating water pump is always in the optimal state, the optimal control of the real-time cold end under the current environmental condition is realized, and the energy-saving potential of the thermal power unit is furthest excavated.
Example 2:
The unit cold end optimizing operation system provided in embodiment 1 is further optimized, specifically, as shown in fig. 1-6, the circulating water pump includes a water pump main body 1, a circulating water inlet pipeline 2, a circulating water delivery pipeline 3, and a base chassis 8, the number of the water pump main bodies 1 is two, two water pump main bodies 1 are arranged in parallel, input ends of the two water pump main bodies 1 are fixedly connected with the circulating water inlet pipeline 2, output ends of the two water pump main bodies 1 are fixedly connected with the circulating water delivery pipeline 3, the two water pump main bodies 1 are fixed on the base chassis 8, a filter valve 4 is detachably fixed between the input end of the water pump main body 1 and the circulating water inlet pipeline 2, a first switch valve 5 is detachably fixed between the filter valve 4 and the circulating water inlet pipeline 2, a connecting pipe 6 is detachably fixed between the output end of the water pump main body 1 and the circulating water delivery pipeline 3, and a second switch valve 7 is detachably fixed between the connecting pipe 6 and the circulating water delivery pipeline 3.
Further, one end of base chassis 8 upper end is fixed with base support frame 9, and the lower extreme of water pump main part 1 passes through mounting bracket 12 and base support frame 9 can dismantle fixedly, and the outside of water pump main part 1 just is provided with protective housing 11 in the outside at motor position for the protection of water pump main part 1 motor part, and miscellaneous case 10 of collection has been placed to the other end of base chassis 8 upper end, and the position department that the miscellaneous case 10 of collection is located filter valve 4 below.
It can be seen that the water pump main body 1 is fixed by the base underframe 8, the base supporting frame 9 and the mounting frame 12, the circulating water inlet pipeline 2 and the circulating water delivery pipeline 3 can be connected with a circulating water path at the cold end of the unit, the water pump main body 1 can drive the circulating water, the first switch valve 5 and the second switch valve 7 can control the opening and closing of the circulating water path, the filter valve 4 can filter impurities in the entering circulating water, and the impurity collecting box 10 can collect discharged impurities and perform solid-liquid separation in the impurity discharging process of the filter valve 4.
Specifically, the mounting frame 12 comprises a frame main body 13, rubber blocks 14 are respectively arranged above two ends of the frame main body 13, a rubber pad 15 is sleeved at the lower end of the water pump main body 1, the two ends of the lower end of the water pump main body 1 are respectively and sequentially fixedly connected with the rubber blocks 14, the frame main body 13 and the rubber pad 15 from top to bottom through bolts, a positioning buckle block 16 is fixed at the lower end of the frame main body 13, and the positioning buckle block 16 penetrates through the base support frame 9 and extends to the inner side of the base support frame 9; an I-shaped connecting beam 17 is arranged in the base support frame 9, the I-shaped connecting beam 17 is in transverse plug connection with the positioning buckle block 16, a bottom buckle block 18 is fixed at the bottom of the inner side of the base support frame 9, and the lower end of the I-shaped connecting beam 17 is in transverse plug connection with the bottom buckle block 18; both ends of the I-shaped connecting beam 17 are connected and fixed with the base support frame 9 through limiting components.
It can be known that before the water pump main body 1 is installed, the rubber block 14, the frame main body 13 and the rubber pad 15 are installed and fixed with the water pump main body 1 through bolts, so that the rubber block 14 is attached to the lower support leg of the water pump main body 1, the water pump main body 1 cannot directly contact with the frame main body 13, and further the influence of vibration on the integral structure of the circulating water pump in the running process of the water pump main body 1 is reduced; after the rubber block 14, the frame main body 13 and the rubber pad 15 are fixed with the water pump main body 1 through bolts, the rubber pad 15 faces, and the positioning and placement of the water pump main body 1 are completed through the insertion connection of the positioning buckle block 16 and the base support frame 9; after the water pump main body 1 is positioned and placed with the base support frame 9 through the mounting frame 12, the I-shaped connecting beam 17 is inserted from the side face of the base support frame 9, the upper end of the I-shaped connecting beam 17 is spliced with the positioning buckle block 16, the lower end of the I-shaped connecting beam 17 is spliced with the bottom buckle block 18, and the positioning buckle block 16 is pulled through the I-shaped connecting beam 17 and the bottom buckle block 18, so that the positioning buckle block 16 cannot move, and the water pump main body 1 is installed and fixed; after the I-shaped connecting beam 17 is inserted, the end part of the I-shaped connecting beam 17 is limited by the limiting component, so that the positioning buckle block 16 is prevented from being separated due to the movement of the I-shaped connecting beam 17.
Specifically, the spacing subassembly includes spacing picture peg 19, and spacing picture peg 19 is located base support frame 9 outside position department, and four end angular positions departments of the lower extreme of spacing picture peg 19 all are fixed with spacing inserted bar 20, and spacing inserted bar 20 is pegged graft with base support frame 9 and is connected, and spacing inserted bar 20 is pegged graft with base chassis 8 and is connected, and two spacing inserted bars 20 of homonymy are pegged graft with the homonymy of I-shaped tie beam 17, and the bottom of spacing inserted bar 20 just is located base chassis 8 inboard position department threaded connection has the nut.
After the i-shaped connecting beam 17 limits the positioning buckle block 16, the limiting inserting plate 19 is arranged at the outer side of the base support frame 9 and is positioned at the position above the end part of the i-shaped connecting beam 17, and the limiting inserting rod 20 sequentially passes through the upper end of the base support frame 9, the side surface of the i-shaped connecting beam 17, the lower end of the base support frame 9 and the upper end of the base underframe 8 and then is inserted into the supporting ventilation assembly 21, and then is fixed through the mounting nut, so that the movement limiting of the i-shaped connecting beam 17 is realized through the limiting inserting rod 20.
Example 3:
As shown in fig. 7-12, the protection box 11 includes a box upper portion 22 and a box lower portion 23, the box upper portion 22 and the box lower portion 23 are vertically symmetrically arranged, one ends of the box upper portion 22 and the box lower portion 23 are buckled and connected with the water pump main body 1, sealing strips 24 are fixed at buckling positions of the box upper portion 22 and the box lower portion 23 and the water pump main body 1, and the other ends of the box upper portion 22 and the box lower portion 23 are rotationally connected through hinges 25; the lower extreme at protective housing 11 both ends all is fixed with supports ventilation subassembly 21, supports ventilation subassembly 21's lower extreme and base chassis 8 fixed connection, supports ventilation subassembly 21's upper end and the inside intercommunication of protective housing 11, supports ventilation subassembly 21's lower extreme and the inside intercommunication of base chassis 8.
Further, support ventilation assembly 21 includes ventilation groove 26, and ventilation groove 26 inboard has placed air guide assembly 27, and the mouth of putting is got in the one side of ventilation groove 26 has been seted up, makes things convenient for air guide assembly 27 to get to put the clearance, gets to put mouthful inboard and has placed closing plate 28, realizes getting the shutoff of putting the mouth, and ventilation groove 26 inner wall just is located air guide assembly 27 tip below position department and all is fixed with bracing piece 29 for air guide assembly 27 lifts.
It can be seen that when the water pump main body 1 needs maintenance, only the upper case portion 22 needs to be turned over and opened, and the upper case portion 22 is buckled to lift the gaps between the upper case portion 22 and the water pump main body 1, and between the lower case portion 23 and the water pump main body 1 by the sealing strips 24; the support of the lower part 23 of the tank body can be realized through the support ventilation assembly 21, and air can be pumped into the protective tank 11 through the air guide assembly 27 in the support ventilation assembly 21, so that air circulation in the protective tank 11 is realized, and heat dissipation can be carried out on the motor part of the water pump main body 1 according to requirements.
Specifically, the air guide assembly 27 includes a U-shaped chassis 30, wherein the peripheral side of the U-shaped chassis 30 is attached to the inner wall of the ventilation slot 26, a plurality of air guide fans 31 are embedded in the middle of the upper end of the U-shaped chassis 30, the plurality of air guide fans 31 are arranged in parallel, a fixing clamping plate 32 is buckled on the upper end of the U-shaped chassis 30 and positioned on the upper portion of the air guide fans 31, a filter frame 33 is arranged on the upper end of the U-shaped chassis 30 and positioned on the upper portion of the fixing clamping plate 32, and the end of the filter frame 33 is vertically connected with the end of the U-shaped chassis 30 in an inserting manner; the lower extreme of fixed splint 32 and the position department that corresponds with four terminal angles of air guide fan 31 all are fixed with location inserted bar 34, and the terminal angle grafting of location inserted bar 34 and the corresponding position of air guide fan 31 is connected, and the bottom of location inserted bar 34 is connected with U-shaped chassis 30 grafting, and the inboard of filter frame 33 is provided with dustproof otter board 35, and the tip of dustproof otter board 35 is fixed with sand grip one 36, and dustproof otter board 35 passes through sand grip one 36 and filter frame 33 lock connection, and the tip inboard of filter frame 33 is fixed with sand grip two 37 vertically for promote the frictional force of filter frame 33 and U-shaped chassis 30 junction.
Through the above structural design, the air-pumping operation to the inside of the protective box 11 can be realized through the ventilation groove 26 by starting the air-guiding fan 31, the filtration of air can be realized through the dustproof screen 35 at the inner side of the filtration frame 33, the clamping and fixing of the air-guiding fan 31 can be realized through the fixing clamp plate 32 matched with the U-shaped underframe 30, and the movement limit of the air-guiding fan 31 can be realized through the fixing clamp plate 32; in the installation process, the air guide fan 31 is placed on the inner side of the upper end of the U-shaped underframe 30, the fixed clamping plate 32 is placed on the upper position of the air guide fan 31, and the air guide fan 31 and the U-shaped underframe 30 are inserted through the positioning inserting rod 34, so that the clamping, fixing and limiting effects of the air guide fan 31 are realized; after the air guide fan 31 is fixed, the dustproof screen 35 is buckled into the filter frame 33, the filter frame 33 carrying the dustproof screen 35 is arranged at the position above the fixed clamping plate 32, and the end part of the filter frame 33 is spliced with the end part of the U-shaped underframe 30, so that the assembly of the air guide assembly 27 can be completed.
Example 4:
13-16, the other end of the upper end of the base chassis 8 is provided with a placing groove 38, the impurity collecting box 10 is placed inside the placing groove 38, and positioning protruding blocks 39 are fixed at the upper end of the base chassis 8 and at the positions of the two ends of the placing groove 38 for limiting the movement of the impurity collecting box 10; the impurity collecting box 10 comprises a box main body 40, an end plate 41 is fixed at the end part of the box main body 40 and positioned above the base underframe 8, two ends of the end plate 41 are rotatably connected with a movable wheel 42, the lower end of the movable wheel 42 is attached to the upper end of the base underframe 8, and a grip 43 is fixed at the middle part of the end plate 41; the inside of the case body 40 is provided with a grid support frame 46, a filtering sponge 47 and a filtering frame 48 in sequence from bottom to top, the inside bottom end of the filtering frame 48 is fixed with a filtering screen 50, and the outside end of the filtering frame 48 is fixed with an extension plate 49.
Through the above structural design, the grabbing grip 43 at the upper end of the end plate 41 can grab the impurity collecting box 10, so that the impurity collecting box 10 is convenient to carry, after the impurity collecting box 10 is placed inside the placing groove 38, the impurity collecting box 10 can be moved through the moving wheel 42, when the impurity collecting box 10 moves to the position below the filter valve 4, the movement limit of the impurity collecting box 10 can be realized through the positioning protruding block 39, and the phenomenon that the impurity collecting box 10 accidentally moves is reduced; the filter screen 50 inside the filter frame 48 at the upper end of the tank main body 40 can sequentially filter and retain larger impurities on the upper part of the filter screen 50, the liquid containing impurities is secondarily filtered through the filter sponge 47, fine impurities are retained on the upper part of the filter sponge 47, and the rest of the liquid flows into the lower end of the tank main body 40 and can be discharged through a liquid outlet opening at the bottom of the tank main body 40, and the liquid outlet opening can be plugged through the sealing cover 45.
The invention is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present invention, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present invention, fall within the scope of protection of the present invention.
Claims (5)
1. An optimized operation system for a cold end of a unit is characterized by comprising:
the data monitoring module is used for acquiring real-time monitoring data in the circulating waterway;
the data early warning module is used for analyzing and judging the rationality of the real-time monitoring data according to the comparison with the historical data, and carrying out early warning when the comparison result is judged to be abnormal data;
The equipment maintenance early warning module is used for carrying out statistical change analysis according to comparison with the historical data and providing maintenance management early warning prompt for cold end facilities;
the consumption difference diagnosis module is used for comparing the consumption difference between the real-time operation mode and the assumed operation mode of the cold end equipment and displaying the result in an open loop;
the real-time monitoring data acquired by the data monitoring module comprises:
The thermal performance monitoring data of the cooling tower are used for analyzing the change of the cooling water temperature and the water quantity of the cooling tower and constructing a thermal performance calculation model of the cooling tower;
The circulating water pump operation monitoring data are used for constructing a circulating water pump characteristic change curve model;
The condenser operation monitoring data are used for constructing a condenser water resistance model and an end difference model;
The pipeline characteristic operation monitoring data are used for constructing a circulating water system pipeline resistance model;
the unit load monitoring data are used for carrying out unit load time-varying statistical analysis;
calculating an optimal operation mode of the circulating water pump through optimal vacuum preset by the condenser, monitoring data of cold end equipment of the unit in real time through a data monitoring module, comparing the current operation mode with historical data through a data early warning module, early warning the system if different, inputting an instruction through a data adjusting module, and switching the operation mode of the circulating water pump to ensure that the operation mode of the circulating water pump is always in the optimal state;
The thermal performance monitoring data of the cooling tower at least comprises a shaft water level, a water inlet water temperature and a flow; the operation monitoring data of the circulating water pump at least comprises the pressure and flow of a water outlet of the circulating water pump, the power consumption of a motor and the water level of a water suction tank; the condenser operation monitoring data at least comprises water temperature, pressure and vacuum degree of water entering and exiting the condenser; the pipeline characteristic operation monitoring data at least comprises water flow and pressure in a pipeline;
The circulating water pump comprises a water pump body (1), a circulating water inlet pipeline (2), a circulating water inlet pipeline (3) and a base underframe (8), wherein the number of the water pump bodies (1) is two, the two water pump bodies (1) are arranged in parallel, the input ends of the water pump bodies (1) are fixedly connected with the circulating water inlet pipeline (2), the output ends of the water pump bodies (1) are fixedly connected with the circulating water inlet pipeline (3), the two water pump bodies (1) are fixedly connected with the base underframe (8), a filter valve (4) is detachably fixed between the input ends of the water pump bodies (1) and the circulating water inlet pipeline (2), a first switch valve (5) is detachably fixed between the filter valve (4) and the circulating water inlet pipeline (2), a connecting pipe (6) is detachably fixed between the output ends of the water pump bodies (1) and the circulating water inlet pipeline (3), and a second switch valve (7) is detachably fixed between the connecting pipe (6) and the circulating water inlet pipeline (3);
The water pump is characterized in that one end of the upper end of the base underframe (8) is fixedly provided with a base support frame (9), the lower end of the water pump main body (1) is detachably fixed with the base support frame (9) through a mounting frame (12), the outer side of the water pump main body (1) and the outer side of the motor part are provided with a protective box (11) for protecting the motor part of the water pump main body (1), the other end of the upper end of the base underframe (8) is provided with a trash collection box (10), and the trash collection box (10) is positioned at the position below the filter valve (4);
The mounting frame (12) comprises a frame main body (13), rubber blocks (14) are respectively arranged above two ends of the frame main body (13), rubber pads (15) are sleeved at the lower end of the water pump main body (1), the two ends of the lower end of the water pump main body (1) are respectively and sequentially fixedly connected with the rubber blocks (14), the frame main body (13) and the rubber pads (15) from top to bottom through bolts, positioning buckle blocks (16) are fixed at the lower end of the frame main body (13), and the positioning buckle blocks (16) penetrate through the base support frame (9) and extend to the inner side of the base support frame (9); an I-shaped connecting beam (17) is arranged in the base support frame (9), the I-shaped connecting beam (17) is transversely connected with the positioning buckling block (16) in a plugging manner, a bottom buckling block (18) is fixed at the bottom of the inner side of the base support frame (9), and the lower end of the I-shaped connecting beam (17) is transversely connected with the bottom buckling block (18) in a plugging manner; both ends of the I-shaped connecting beam (17) are connected and fixed with the base support frame (9) through limiting components.
2. The unit cold end optimizing operation system according to claim 1, wherein the limiting assembly comprises a limiting insertion plate (19), limiting insertion rods (20) are fixed at four end angle positions of the lower end of the limiting insertion plate (19), the limiting insertion rods (20) are in plug connection with a base support frame (9), the limiting insertion rods (20) are in plug connection with a base underframe (8), the two limiting insertion rods (20) on the same side are in plug connection with the same side of an I-shaped connecting beam (17), and nuts are in threaded connection with the bottoms of the limiting insertion rods (20) and the positions, located on the inner sides of the base underframe (8).
3. The unit cold end optimizing operation system according to claim 1, wherein the protecting box (11) comprises a box upper part (22) and a box lower part (23), the box upper part (22) and the box lower part (23) are arranged symmetrically up and down, one ends of the box upper part (22) and the box lower part (23) are buckled and connected with the water pump main body (1), sealing strips (24) are fixed at buckling positions of the box upper part (22) and the box lower part (23) and the water pump main body (1), and the other ends of the box upper part (22) and the box lower part (23) are rotationally connected through hinges (25); the lower ends of the two ends of the protective box (11) are respectively fixedly provided with a supporting ventilation assembly (21), the lower ends of the supporting ventilation assemblies (21) are fixedly connected with the base underframe (8), the upper ends of the supporting ventilation assemblies (21) are communicated with the interior of the protective box (11), and the lower ends of the supporting ventilation assemblies (21) are communicated with the interior of the base underframe (8); support ventilation subassembly (21) including ventilation groove (26), air guide subassembly (27) have been placed to ventilation groove (26) inboard, get and put mouthful has been seted up to one side of ventilation groove (26), get and put mouthful inboard and have placed closing plate (28), ventilation groove (26) inner wall and be located air guide subassembly (27) tip below position department all are fixed with bracing piece (29) for lift of air guide subassembly (27).
4. A unit cold end optimizing operation system according to claim 3, wherein the air guide assembly (27) comprises a U-shaped underframe (30), the periphery of the U-shaped underframe (30) is attached to the inner wall of the ventilation groove (26), a plurality of air guide fans (31) are embedded in the middle of the upper end of the U-shaped underframe (30), the air guide fans (31) are arranged in parallel, a fixed clamping plate (32) is buckled at the upper end of the U-shaped underframe (30) and positioned at the upper part of the air guide fans (31), a filter frame (33) is arranged at the upper end of the U-shaped underframe (30) and positioned at the upper part of the fixed clamping plate (32), and the end part of the filter frame (33) is vertically connected with the end part of the U-shaped underframe (30) in a plugging mode; the utility model discloses a dust-proof filter device for the air guide fan, including fixed splint (32), filter frame (33), sand grip (36) are fixed with fixed splint (32), fixed splint (32) lower extreme and with the corresponding position department of four terminal angles of every air guide fan (31) all are fixed with location inserted bar (34), the terminal angle grafting of location inserted bar (34) and the corresponding position of air guide fan (31) is connected, the bottom of location inserted bar (34) is connected with U-shaped chassis (30) grafting, the inboard of filter frame (33) is provided with dustproof otter board (35), the tip of dustproof otter board (35) is fixed with sand grip (36), dustproof otter board (35) are connected with filter frame (33) lock through sand grip (36), the tip inboard of filter frame (33) is vertically fixed with sand grip two (37) for promote the frictional force of filter frame (33) and U-shaped chassis (30) junction.
5. The unit cold end optimizing operation system according to claim 1, wherein a placing groove (38) is formed at the other end of the upper end of the base chassis (8), the impurity collecting box (10) is placed inside the placing groove (38), and positioning protruding blocks (39) are fixed at the positions of the upper end of the base chassis (8) and the two ends of the placing groove (38) and used for limiting the movement of the impurity collecting box (10); the impurity collecting box (10) comprises a box main body (40), wherein an end plate (41) is fixed at the end part of the box main body (40) and positioned above the base underframe (8), two ends of the end plate (41) are respectively and rotatably connected with a movable wheel (42), the lower end of the movable wheel (42) is attached to the upper end of the base underframe (8), and a grabbing handle (43) is fixed at the middle part of the end plate (41); the inside of case main part (40) has placed grid support frame (46), filtration sponge (47), filtration frame (48) in proper order from down, the inside bottom mounting of filtration frame (48) has filtration otter board (50), the outside tip of filtration frame (48) is fixed with extension board (49).
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| CN213511142U (en) * | 2020-09-23 | 2021-06-22 | 湖南源安科技股份有限公司 | Water diversion assembly control system without bottom valve |
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| JP4201908B2 (en) * | 1999-02-09 | 2008-12-24 | 三菱重工業株式会社 | Pump installation base plate and manufacturing method thereof |
| CN104749999B (en) * | 2015-03-20 | 2018-06-26 | 国电科学技术研究院有限公司 | The Turbo-generator Set cold end system optimization operation of assembling wet cooling tower accurately instructs system |
| CN212898902U (en) * | 2020-08-14 | 2021-04-06 | 云和立信泵阀制造有限公司 | Portable installation mechanism of pump valve |
| CN213575928U (en) * | 2020-08-20 | 2021-06-29 | 中建八局第一建设有限公司 | Pump pipe support with stable structure and capable of eliminating pump pipe vibration and horizontal impact |
| CN112327688B (en) * | 2020-10-29 | 2021-11-12 | 四川绵阳鼎鑫智能装备有限公司 | Digital workshop simulation system |
| CN115586343B (en) * | 2022-10-08 | 2023-05-12 | 河南省地质研究院 | Underground water dynamic monitoring and automatic sampling device |
| CN115786649A (en) * | 2022-10-18 | 2023-03-14 | 上海五钢设备工程有限公司 | Trolley wheel dismounting tool and dismounting and mounting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107420142A (en) * | 2017-05-15 | 2017-12-01 | 西安热工研究院有限公司 | A kind of Turbine Cold Junction that pump is followed based on frequency conversion optimizes progress control method |
| CN213511142U (en) * | 2020-09-23 | 2021-06-22 | 湖南源安科技股份有限公司 | Water diversion assembly control system without bottom valve |
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