CN107143910B - Circulating water comprehensive utilization system of gas distributed energy station and operation method thereof - Google Patents
Circulating water comprehensive utilization system of gas distributed energy station and operation method thereof Download PDFInfo
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- CN107143910B CN107143910B CN201710351029.8A CN201710351029A CN107143910B CN 107143910 B CN107143910 B CN 107143910B CN 201710351029 A CN201710351029 A CN 201710351029A CN 107143910 B CN107143910 B CN 107143910B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention provides a circulating water comprehensive utilization system of a gas distributed energy station and an operation method thereof, belonging to the technical field of distributed energy stations. It has solved the unreasonable scheduling problem of prior art design. The system for comprehensively utilizing the circulating water of the gas distributed energy station comprises a circulating water return header pipe and is characterized by further comprising a ground heating water preheating subsystem, a lubricating oil preheating subsystem, a gas preheating subsystem, a cooling spraying subsystem and a ground heating water preheating subsystem, wherein the ground heating water preheating subsystem is sequentially arranged on the circulating water return header pipe according to the flowing direction sequence of the circulating water return and is positioned on the circulating water outlet side of a condenser, the lubricating oil preheating subsystem is positioned on the outer side of an oil outlet header pipe in a lubricating system of the energy station and is close to an oil storage tank end, the gas preheating subsystem is positioned on the air inlet side of a boiler, the cooling spraying subsystem is positioned at the tail end of the circulating water return header pipe, and the ground heating water preheating subsystem and the like. The arrangement of the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the fuel gas preheating subsystem and the cooling spraying subsystem which are connected with the circulating water return main pipe enhances the utilization rate of circulating water and reduces energy consumption.
Description
Technical Field
The invention belongs to the technical field of equipment of distributed energy stations, and particularly relates to a circulating water comprehensive utilization system of a gas distributed energy station and an operation method thereof.
Background
The fuel gas distributed energy is a modern energy supply mode which utilizes fuel gas as fuel, realizes gradient utilization of energy through combined supply of cold, heat and electricity and the like, and realizes energy supply nearby a load center, and is an important mode for high-efficiency utilization of fuel gas. The gas distributed energy in China is still in the starting stage, and the gas distributed energy is pushed, so that the method has important practical significance and strategic significance. The gas distributed energy station is thermal power generation and has a large demand on water, and the gas distributed energy station is mostly distributed in a commercial residential area with concentrated population, so that the problems of water resource shortage and water supply shortage exist, the problem of shortage in circulating water supply for the gas distributed energy station exists, and the defects of low utilization rate of circulating water heat, large heat loss and the like exist.
In order to solve the problems of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a circulating water indoor cooling system [ application No.: 201410269857.3], including the cistern, the cistern bottom is equipped with the sedimentation tank, the cold water pipe is connected to cistern bottom one side, cold water union coupling filter, the filter is through connecting water piping connection circulating water pump, circulating water pump passes through out the water piping connection heat exchanger, the hot-water line is connected to the heat exchanger, the hot-water line connection drenches the sprayer, cistern top one side is equipped with the cooling fan, it arranges in to drench the sprayer the cistern top.
The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the heat loss of the circulating water is large, and the heat utilization rate is poor.
Disclosure of Invention
The invention aims to solve the problems and provides a circulating water comprehensive utilization system of a gas distributed energy station, which is reasonable in design and good in use effect.
The second purpose of the present invention is to solve the above problems and provide a method for operating a gas distributed energy plant circulating water comprehensive utilization system that is convenient to operate and control.
In order to achieve the purpose, the invention adopts the following technical scheme: the invention discloses a circulating water comprehensive utilization system of a gas distributed energy station, which comprises a circulating water return header pipe and is characterized by further comprising a floor heating water preheating subsystem, a lubricating oil preheating subsystem, a gas preheating subsystem and a cooling spraying subsystem, wherein the floor heating water preheating subsystem is sequentially arranged on the circulating water return header pipe according to the circulating water return flow direction sequence and is positioned at the circulating water outlet side of a condenser, the lubricating oil preheating subsystem is positioned at the outer side of an oil outlet header pipe in a lubricating system of the energy station and is close to an oil storage tank end, the gas preheating subsystem is positioned at the air inlet side of a boiler, the cooling spraying subsystem is positioned at the tail end of the circulating water return header pipe, and the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the gas preheating subsystem and the cooling spraying subsystem are respectively connected with a control module. The return water with higher temperature in the circulating water return main pipe is supplied to the floor heating water preheating subsystem, the lubricating oil preheating subsystem and the fuel gas preheating subsystem for heat exchange to obtain required heat, the absorbed heat return water can also be used for providing a water source for the cooling spraying subsystem, and the utilization rate of the return water is improved.
Foretell gas distributing type energy station circulating water comprehensive utilization system, ground warm water preheats the subsystem and gets into the branch pipe and return water outflow branch pipe including locating the return water on the circulating water return house steward, return water gets into to be equipped with between branch pipe and the return water outflow branch pipe and carries out the heat exchanger for ground heating of heat exchange with ground warm water, carry ground warm delivery pipe of warm water and ground warm up to be connected with heat exchanger for ground, ground warm delivery pipe is last to be close to ground warm water outlet end among the heat exchanger for ground and is equipped with ground warm water temperature collector, be close to return water entering branch pipe entrance point on the circulating water return house steward and be equipped with ground warm water heat control valve, the circulating water return house steward is last to be close to ground warm water heat control valve entrance point department and is equipped with ground warm water heat pump, ground warm water collector, ground warm water heat water preheat control valve and ground warm water heat pump are connected with control module respectively. Simple structure, simple to operate, ground warm up with setting up of heat exchanger has made things convenient for the heat exchange of return water and the ground heating water that the user needs.
The system comprises a circulating water return hose wound outside an oil outlet main pipe, wherein two ends of the circulating water return hose are respectively connected with the circulating water return main pipe, an oil temperature collector is arranged on the oil outlet main pipe and close to the water outlet end of the circulating water return hose, a lubricating oil preheating control valve is arranged on the circulating water return main pipe and close to the inlet end of the circulating water return hose, a lubricating oil preheating pump is arranged on the circulating water return main pipe and close to the inlet end of the lubricating oil preheating control valve, and the oil temperature collector, the lubricating oil preheating control valve and the lubricating oil preheating pump are respectively connected with a control module. Realize the quick heat absorption of the lubricating oil of oil outlet main pipe and heat up through winding the circulating water return hose around the setting of establishing in the oil outlet main pipe outside, simple structure, the heat absorption is effectual, and can increase or reduce as required around the number of turns of establishing the circulating water return hose in the oil outlet main pipe outside, convenient regulation.
The circulating water comprehensive utilization system of the gas distributed energy station comprises a preheating tank arranged on a circulating water return main pipe, a heat release pipe wound on the inner side wall of the preheating tank is arranged in the preheating tank, two ends of the heat release pipe are respectively connected with the circulating water return main pipe, a gas temperature collector and a gas pressure collector are further arranged in the preheating tank, a gas preheating control valve is arranged on the circulating water return main pipe close to the inlet end of the heat release pipe, a gas preheating pump is arranged on the circulating water return main pipe close to the inlet end of the gas preheating control valve, and the gas temperature collector, the gas pressure collector, the gas preheating control valve and the gas preheating pump are respectively connected with a control module. Through the preheating treatment of the fuel gas, the combustion efficiency of the fuel gas is improved.
The cooling spraying subsystem comprises an ambient temperature collector arranged outside the gas distributed energy station and a plurality of spraying branch pipes fixedly arranged above the gas distributed energy station, a plurality of spraying heads are arranged on the spraying branch pipes at intervals, all the spraying branch pipes are connected with a spraying main pipe, the spraying main pipe is connected with a circulating water return main pipe, a spraying control valve is arranged on the spraying main pipe close to the inlet end of the spraying main pipe, a spraying pump is arranged on the spraying main pipe at the inlet end of the spraying control valve, and the ambient temperature collector, the spraying control valve and the spraying pump are respectively connected with a control module.
The cooling spraying subsystem further comprises a spray water collecting tank arranged at the bottom of the gas distributed energy station, and the spray water collecting tank is connected with the return water outlet end of the return water main pipe through a spray water filtering tank. Further improves the recycling efficiency of the circulating water and saves the using amount of the circulating water.
The circulating water comprehensive utilization system of the gas distributed energy station comprises a floor heating water temperature data storage unit for storing a floor heating water temperature data threshold value, an oil temperature data storage unit for storing a lubricating oil temperature data threshold value, a gas temperature data storage unit for storing a gas preheating temperature data threshold value, an environment temperature data storage unit for storing an environment temperature data threshold value outside the energy station, a data comparison unit and an instruction issuing unit, wherein the floor heating water temperature data storage unit, the oil temperature data storage unit, the gas temperature data storage unit and the environment temperature data storage unit are respectively connected with the data comparison unit, the data comparison unit is respectively connected with the instruction issuing unit, the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the gas preheating subsystem and the cooling spraying subsystem, and the instruction issuing unit is respectively connected with the floor heating water preheating subsystem, the gas preheating subsystem and the cooling spraying subsystem, The lubricating oil preheating subsystem, the fuel gas preheating subsystem and the cooling spraying subsystem are connected.
The operation method of the circulating water comprehensive utilization system of the gas distributed energy station comprises the following steps: step A: various data are collected through the data collection function in the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the fuel gas preheating subsystem and the cooling spraying subsystem; and B: the data collected from the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the fuel gas preheating subsystem and the cooling spraying subsystem are transmitted to the control module, and the control module compares the received various data with the threshold values of the various data stored in the control module; and C: if the control module finds that the acquired data are within the threshold range of various data stored in the control module, the control module starts any one of the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the fuel gas preheating subsystem and the cooling spraying subsystem to send a normal execution signal to start the execution function of each subsystem, otherwise, if the control module finds that the acquired data are not within the threshold range of various data stored in the control module, namely, the acquired data are abnormal, the control module sends an execution stopping signal to the corresponding abnormal subsystem to close the execution function of the abnormal subsystem; step D: and C, repeatedly executing the step A. The use efficiency of circulating water is improved, convenient operation.
In the operation method of the circulating water comprehensive utilization system of the gas distributed energy source station, in the step C, when an emergency occurs in a certain subsystem, the control module can firstly suspend the execution of other subsystems in the normal operation state according to the supply condition of the backwater in the circulating water backwater main pipe and the emergency priority principle so as to better supply the backwater in the circulating water backwater main pipe to the subsystem in the emergency, and then the subsystem in the suspended state is operated again after the subsystem is recovered to be normal. The emergency treatment enhances the application range.
Compared with the prior art, the circulating water comprehensive utilization system of the gas distributed energy station and the operation method thereof have the advantages that: the arrangement of the floor heating water preheating subsystem, the lubricating oil preheating subsystem, the fuel gas preheating subsystem and the cooling spraying subsystem which are connected with the circulating water return main pipe enhances the utilization rate of circulating water and reduces energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 provides a schematic diagram of a structure in an embodiment of the present invention.
Fig. 2 provides another schematic structural diagram in an embodiment of the invention.
In the figure, a floor heating water temperature data storage unit a1, an oil temperature data storage unit a2, a fuel gas temperature data storage unit a3, an environment temperature data storage unit a4, a data comparison unit a5, an instruction issue unit a6, a circulating water return main pipe b, an oil storage tank d1, an oil outlet main pipe d2, a floor heating water supply pipe f, a floor heating water preheating subsystem 1, a return water inlet branch pipe 11, a return water outlet branch pipe 12, a floor heating heat exchanger 13, a floor heating water temperature collector 14, a floor heating water preheating control valve 15, a floor heating water preheating pump 16, a lubricating oil preheating subsystem 2, a circulating water return hose 21, an oil temperature collector 22, a lubricating oil preheating control valve 23, a lubricating oil preheating pump 24, a fuel gas preheating subsystem 3, a preheating tank 31, a heat release pipe 32, a fuel gas temperature collector 33, a fuel gas pressure collector 34, a fuel gas preheating control valve 35, a preheating heat pump 36, a cooling spraying subsystem 4, A spray header 41, spray branch pipes 42, a spray header 43, an ambient temperature collector 44, a spray control valve 45, a spray pump 46, a spray water collecting tank 47, and a spray water filtering tank 48.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
As shown in fig. 1 to 2, the system for comprehensively utilizing circulating water in a distributed gas energy station comprises a circulating water return header pipe b, and is characterized by further comprising a ground heating water preheating subsystem 1, a lubricating oil preheating subsystem 2, a gas preheating subsystem 3 and a cooling spraying subsystem 4, wherein the ground heating water preheating subsystem 1 is arranged on the circulating water return header pipe b in sequence according to the flow direction of the circulating water return and is positioned at the outlet side of the circulating water in a condenser, the lubricating oil preheating subsystem 2 is positioned outside an oil outlet header pipe d2 in a lubricating system of the energy station and is close to the end d1 of an oil storage tank, the gas preheating subsystem 3 is positioned at the air inlet side of a boiler, the cooling spraying subsystem 4 is positioned at the tail end of the circulating water return header pipe b, the ground heating water preheating subsystem 1, the lubricating oil preheating subsystem 2, the gas preheating subsystem 3 and the cooling spraying subsystem 4 are respectively connected with a control module, and the circulating water return with higher temperature in the circulating water return header pipe b is supplied to the ground heating water preheating subsystem 1, the lubricating oil preheating subsystem 2, The gas preheating subsystem 3 is used for heat exchange to obtain required heat, and the absorbed heat return water can also be used for providing a water source for the cooling spraying subsystem 4, so that the return water utilization rate is improved.
Specifically, the floor heating water preheating subsystem 1 comprises a return water inlet branch pipe 11 and a return water outlet branch pipe 12 which are arranged on a circulating water return main pipe b, a floor heating heat exchanger 13 which exchanges heat with floor heating water is arranged between the return water inlet branch pipe 11 and the return water outlet branch pipe 12, a floor heating water supply pipe f which conveys the floor heating water is connected with the floor heating heat exchanger 13, a floor heating water temperature collector 14 is arranged at a floor heating water outlet end of the floor heating water supply pipe f, which is close to the floor heating heat exchanger 13, a floor heating water preheating control valve 15 is arranged at an inlet end of the circulating water return main pipe b, which is close to the return water inlet branch pipe 11, a floor heating water preheating pump 16 is arranged at an inlet end of the circulating water return main pipe b, which is close to the floor heating water preheating control valve 15, the floor heating water temperature collector 14, the floor heating water preheating control valve 15 and the floor heating water preheating pump 16 are respectively connected with a control module, the structure is simple and the installation is convenient, the arrangement of the heat exchanger 13 for floor heating facilitates the heat exchange between the return water and the floor heating water required by the user; the lubricating oil preheating subsystem 2 comprises a circulating water return hose 21 wound outside an oil outlet main pipe d2, two ends of the circulating water return hose 21 are respectively connected with a circulating water return main pipe b, an oil temperature collector 22 is arranged on the oil outlet main pipe d2 and close to the water outlet end of the circulating water return hose 21, a lubricating oil preheating control valve 23 is arranged on the circulating water return main pipe b and close to the inlet end of the circulating water return hose 21, a lubricating oil preheating pump 24 is arranged on the circulating water return main pipe b and close to the inlet end of the lubricating oil preheating control valve 23, the oil temperature collector 22, the lubricating oil preheating control valve 23 and the lubricating oil preheating pump 24 are respectively connected with a control module, the lubricating oil of the oil outlet main pipe d2 can quickly absorb heat and heat by winding the circulating water return hose 21 outside the oil outlet main pipe d2, the structure is simple, the heat absorption effect is good, and the number of turns of the circulating water return hose 21 wound outside the oil outlet main pipe d2 can be increased or reduced according to needs, the adjustment is convenient; the fuel gas preheating subsystem 3 comprises a preheating tank 31 arranged on a circulating water return main pipe b, a heat release pipe 32 wound on the inner side wall of the preheating tank 31 is arranged in the preheating tank 31, two ends of the heat release pipe 32 are respectively connected with the circulating water return main pipe b, a fuel gas temperature collector 33 and a fuel gas pressure collector 34 are also arranged in the preheating tank 31, a fuel gas preheating control valve 35 is arranged on the circulating water return main pipe b close to the inlet end of the heat release pipe 32, a fuel gas preheating pump 36 is arranged on the circulating water return main pipe b close to the inlet end of the fuel gas preheating control valve 35, and the fuel gas temperature collector 33, the fuel gas pressure collector 34, the fuel gas preheating control valve 35 and the fuel gas preheating pump 36 are respectively connected with a control module; the cooling spray subsystem 4 comprises an ambient temperature collector 44 arranged outside the gas distributed energy station and a plurality of spray branch pipes 42 fixedly arranged above the gas distributed energy station, a plurality of spray headers 43 are arranged on the spray branch pipes 42 at intervals, all the spray branch pipes 42 are connected with a spray header 41, the spray header 41 is connected with a circulating water return header b, a spray control valve 45 is arranged on the spray header 41 near the inlet end of the spray header, a spray pump 46 is arranged on the spray header 41 at the inlet end of the spray control valve 45, and the ambient temperature collector 44, the spray control valve 45 and the spray pump 46 are respectively connected with a control module; the cooling spray subsystem 4 further comprises a spray water collecting tank 47 arranged at the bottom of the gas distributed energy station, and the spray water collecting tank 47 is connected with a return water outlet end of the circulating water return header pipe b through a spray water filtering tank 48, so that the recycling efficiency of the circulating water is further improved, and the using amount of the circulating water is saved.
Further, the control module comprises a floor heating water temperature data storage unit a1 for storing a floor heating water temperature data threshold, an oil temperature data storage unit a2 for storing a lubricating oil temperature data threshold, a fuel gas temperature data storage unit a3 for storing a fuel gas preheating temperature data threshold, an ambient temperature data storage unit a4 for storing an ambient temperature data threshold outside the energy station, a data comparison unit a5 and an instruction issuing unit a6, the floor heating water temperature data storage unit a1, the oil temperature data storage unit a2, the fuel gas temperature data storage unit a3, the ambient temperature data storage unit a4 are respectively connected with the data comparison unit a5, the data comparison unit a5 is respectively connected with the instruction issuing unit a6, the floor heating water preheating subsystem 1, the lubricating oil preheating subsystem 2, the fuel gas preheating subsystem 3 and the cooling spraying subsystem 4, the instruction issuing unit a6 is respectively connected with the floor heating water preheating subsystem 1, the lubricating oil preheating subsystem 1, the cooling water preheating subsystem, the cooling spraying subsystem 4 and the energy station, The lubricating oil preheating subsystem 2, the fuel gas preheating subsystem 3 and the cooling spraying subsystem 4 are connected.
The operation method of the circulating water comprehensive utilization system of the gas distributed energy station comprises the following steps: step A: various data are collected through the data collection function in the floor heating water preheating subsystem 1, the lubricating oil preheating subsystem 2, the fuel gas preheating subsystem 3 and the cooling spraying subsystem 4; and B: the data collected from the floor heating water preheating subsystem 1, the lubricating oil preheating subsystem 2, the gas preheating subsystem 3 and the cooling spraying subsystem 4 are transmitted to the control module, and the control module compares the received various data with the threshold values of the various data stored in the control module; and C: if the control module finds that the acquired data are within the threshold range of various data stored in the control module, the control module starts any one of the floor heating water preheating subsystem 1, the lubricating oil preheating subsystem 2, the gas preheating subsystem 3 and the cooling spraying subsystem 4 to send a normal execution signal so as to start the execution function of each subsystem, otherwise, if the control module finds that the acquired data are not within the threshold range of various data stored in the control module, namely, the acquired data are abnormal, the control module sends an execution stopping signal to the corresponding abnormal subsystem so as to close the execution function of the abnormal subsystem; step D: and step A is repeatedly executed, the using efficiency of the circulating water is improved, and the operation is convenient.
Specifically, in the step C, when an emergency occurs in a certain subsystem, the control module can suspend the execution of other subsystems in the normal operation state according to the supply condition of the return water in the return water main pipe b of the circulating water and according to the emergency priority principle, so that the return water in the return water main pipe b of the circulating water is better supplied to the subsystem in which the emergency occurs, and after the subsystem is recovered to be normal, the subsystem in the suspended state is re-operated, and the emergency is treated, so that the application range of the subsystem is expanded.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the floor heating water temperature data storage unit a1, the oil temperature data storage unit a2, the gas temperature data storage unit a3, the environment temperature data storage unit a4, the data comparison unit a5, the instruction issue unit a6, the circulating water return main pipe b, the oil storage tank d1, the oil outlet main pipe d2, the floor heating water supply pipe f, the floor heating water preheating subsystem 1, the return water inlet branch pipe 11, the return water outlet branch pipe 12, the floor heating heat exchanger 13, the floor heating water temperature collector 14, the floor heating water preheating control valve 15, the floor heating water preheating pump 16, the lubricating oil preheating subsystem 2, the circulating water return hose 21, the oil temperature collector 22, the lubricating oil preheating control valve 23, the lubricating oil preheating pump 24, the gas preheating subsystem 3, the preheating tank 31, the heat release pipe 32, the gas temperature collector 33, the gas pressure collector 34, the gas preheating control valve 35, the gas preheating pump 36, The term of the reduced temperature spray subsystem 4, spray header 41, spray manifolds 42, spray headers 43, ambient temperature collector 44, spray control valves 45, spray pumps 46, spray water collection tanks 47, spray water lauter tanks 48, etc., although the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. The circulating water comprehensive utilization system of the gas distributed energy station comprises a circulating water return header pipe (b), and is characterized by further comprising a floor heating water preheating subsystem (1) which is sequentially arranged on the circulating water return header pipe (b) according to the flowing direction sequence of the circulating water return and is positioned on the circulating water outlet side of a condenser, a lubricating oil preheating subsystem (2) which is positioned on the outer side of an oil outlet header pipe (d 2) in the lubricating system of the energy station and is close to the end of an oil storage tank (d 1), a gas preheating subsystem (3) which is positioned on the air inlet side of a boiler, and a cooling spraying subsystem (4) which is positioned at the tail end of the circulating water return header pipe (b), wherein the floor heating water preheating subsystem (1), the lubricating oil preheating subsystem (2), the gas preheating subsystem (3) and the spraying cooling subsystem (4) are respectively connected with a control module;
the floor heating water preheating subsystem (1) comprises a return water inlet branch pipe (11) and a return water outlet branch pipe (12) which are arranged on a circulating water return main pipe (b), a floor heating heat exchanger (13) for heat exchange with floor heating water is arranged between the return water inlet branch pipe (11) and the return water outlet branch pipe (12), a floor heating water supply pipe (f) for conveying the floor heating water is connected with the floor heating heat exchanger (13), a floor heating water temperature collector (14) is arranged on the floor heating water supply pipe (f) and close to a floor heating water outlet end in the floor heating heat exchanger (13), a floor heating water preheating control valve (15) is arranged on the circulating water return main pipe (b) and close to an inlet end of the floor heating water preheating control valve (15), and a floor heating water preheating pump (16) is arranged on the circulating water return main pipe (b), the floor heating water temperature collector (14), the floor heating water preheating control valve (15) and the floor heating water preheating pump (16) are respectively connected with the control module;
the lubricating oil preheating subsystem (2) comprises a circulating water return hose (21) wound on the outer side of an oil outlet main pipe (d 2), two ends of the circulating water return hose (21) are respectively connected with a circulating water return main pipe (b), an oil temperature collector (22) is arranged on the oil outlet main pipe (d 2) and close to the water outlet end of the circulating water return hose (21), a lubricating oil preheating control valve (23) is arranged on the circulating water return main pipe (b) and close to the inlet end of the circulating water return hose (21), a lubricating oil preheating pump (24) is arranged on the circulating water return main pipe (b) and close to the inlet end of the lubricating oil preheating control valve (23), and the oil temperature collector (22), the lubricating oil preheating control valve (23) and the lubricating oil preheating pump (24) are respectively connected with a control module;
the fuel gas preheating subsystem (3) comprises a preheating tank (31) arranged on a circulating water return main pipe (b), a heat-radiating pipe (32) wound on the inner side wall of the preheating box (31) is arranged in the preheating box, two ends of the heat release pipe (32) are respectively connected with a circulating water return header pipe (b), a gas temperature collector (33) and a gas pressure collector (34) are also arranged in the preheating tank (31), a fuel gas preheating control valve (35) is arranged on the circulating water return main pipe (b) close to the inlet end of the heat release pipe (32), a gas preheating pump (36) is arranged on the circulating water return main pipe (b) near the inlet end of the gas preheating control valve (35), the gas temperature collector (33), the gas pressure collector (34), the gas preheating control valve (35) and the gas preheating pump (36) are respectively connected with the control module.
2. The gas distributed energy resource station circulating water comprehensive utilization system as claimed in claim 1, the cooling spraying subsystem (4) comprises an environment temperature collector (44) arranged outside the gas distributed energy station and a plurality of spraying branch pipes (42) fixedly arranged above the gas distributed energy station, a plurality of spray headers (43) are arranged on the spray branch pipes (42) at intervals, all the spray branch pipes (42) are connected with the spray header pipe (41), the spraying main pipe (41) is connected with the circulating water return main pipe (b), a spraying control valve (45) is arranged on the spraying main pipe (41) close to the inlet end thereof, a spray pump (46) is arranged at the inlet end of the spray control valve (45) on the spray header pipe (41), and the environment temperature collector (44), the spraying control valve (45) and the spraying pump (46) are respectively connected with the control module.
3. The gas distributed energy source station circulating water comprehensive utilization system according to claim 2, characterized in that the cooling spray subsystem (4) further comprises a spray water collecting tank (47) arranged at the bottom of the gas distributed energy source station, and the spray water collecting tank (47) is connected with a return water outlet end of the circulating water return header pipe (b) through a spray water filtering tank (48).
4. The circulating water comprehensive utilization system of the gas distributed energy station as claimed in any one of claims 1 to 3, wherein the control module comprises a floor heating water temperature data storage unit (a 1) for storing a floor heating water temperature data threshold, an oil temperature data storage unit (a 2) for storing a lubricating oil temperature data threshold, a gas temperature data storage unit (a 3) for storing a gas preheating temperature data threshold, an environment temperature data storage unit (a 4) for storing an environment temperature data threshold outside the energy station, a data comparison unit (a 5) and an instruction issue unit (a 6), the floor heating water temperature data storage unit (a 1), the oil temperature data storage unit (a 2), the gas temperature data storage unit (a 3) and the environment temperature data storage unit (a 4) are respectively connected with the data comparison unit (a 5), and the data comparison unit (a 5) is respectively connected with the instruction issue unit (a 6), The system comprises a ground heating water preheating subsystem (1), a lubricating oil preheating subsystem (2), a gas preheating subsystem (3) and a cooling spraying subsystem (4), wherein an instruction issuing unit (a 6) is respectively connected with the ground heating water preheating subsystem (1), the lubricating oil preheating subsystem (2), the gas preheating subsystem (3) and the cooling spraying subsystem (4).
5. An operation method of the gas distributed energy source station circulating water comprehensive utilization system according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
step A: various data are collected through the data collection function in the floor heating water preheating subsystem (1), the lubricating oil preheating subsystem (2), the fuel gas preheating subsystem (3) and the cooling spraying subsystem (4);
and B: the data collected in the floor heating water preheating subsystem (1), the lubricating oil preheating subsystem (2), the fuel gas preheating subsystem (3) and the cooling spraying subsystem (4) are transmitted to the control module, and the control module compares the received various data with the threshold values of the various data stored in the control module;
and C: if the control module finds that the acquired data are located in the threshold range of various data stored in the control module, the control module starts any one of the ground warm water preheating subsystem (1), the lubricating oil preheating subsystem (2), the gas preheating subsystem (3) and the cooling spraying subsystem (4) to send a normal execution signal to start the execution function of each subsystem, otherwise, if the control module finds that the acquired data are not located in the threshold range of various data stored in the control module, namely, the acquired data are abnormal, the control module sends an execution stopping signal to the corresponding abnormal subsystem to close the execution function of the abnormal subsystem;
step D: and D, repeatedly executing the step A.
6. The operation method of the circulating water comprehensive utilization system of the gas distributed energy resource station according to claim 5, wherein in the step C, when an emergency occurs in one subsystem, the control module can suspend the execution of other subsystems in the normal operation state according to the supply condition of the backwater in the circulating water backwater main pipe (b) and the priority principle of the emergency, so that the backwater in the circulating water backwater main pipe (b) is better supplied to the subsystem in the emergency, and after the subsystem is recovered to be normal, the subsystem in the suspended state is re-operated.
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