CN208671706U - Intermittent heat source hot water heat storage comprehensive utilization system - Google Patents
Intermittent heat source hot water heat storage comprehensive utilization system Download PDFInfo
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- CN208671706U CN208671706U CN201821271094.6U CN201821271094U CN208671706U CN 208671706 U CN208671706 U CN 208671706U CN 201821271094 U CN201821271094 U CN 201821271094U CN 208671706 U CN208671706 U CN 208671706U
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to an intermittent type heat source hot water heat-retaining integrated utilization system, including high-efficient energy storage water pitcher, the upper portion intercommunication of high-efficient energy storage water pitcher sets up high-temperature water passageway pipe, the lower part intercommunication sets up low temperature water passageway pipe, intermittent type heat source hot water heat-retaining integrated utilization system still includes waste heat utilization portion and waste heat supply portion, low temperature water passageway pipe, first low temperature water pipe, waste heat supply portion, first high temperature water pipe and high temperature water passageway pipe intercommunication constitute and fill hot circulation passageway, high temperature water passageway pipe, second high temperature water pipe, waste heat utilization portion, second low temperature water pipe and low temperature water passageway pipe constitute exothermic circulation passageway. The intermittent heat source hot water heat storage comprehensive utilization system can collect, store and utilize hot water intermittently generated in a plurality of processes, simplifies equipment, and can improve the heat energy utilization efficiency and continuity.
Description
Technical field
The utility model relates to smelt heat recovery technical field more particularly to a kind of discontinuous heat source hot water heat accumulation
Utilization system.
Background technique
The exhaust gas volumn that each production technology generates in steel plant is huge, contains abundant sensible heat in high-temperature flue gas, and steel plant's sheet
Body is also big power consumer, huge for consumptions such as electric energy, heating water, production hot water, steam, and people have passed through in recent years
Research and practice, for high temperature flue gas (being greater than 200 DEG C), before having had many exhaust heat recovering method and equipment, such as iron
Sintering waste heat recovery system, make steel region converter vapourization cooling system and electric furnace waste-heat recovery device, for high temperature cigarette
There are many solutions for gas, can produce the high parameter steam for power generation, but for the low temperature of the above residual neat recovering system
The flue gas of exhaust and low-temperature zone, often discharges or is directly entered plant area's gaspipe network, heat is not utilized, causes low temperature
The waste of flue gas calorific value.
As various high-temperature water utilize the development of technology: such as ORC electricity generation system (being generated electricity using water at low temperature), water cooler
(can produce cooling for the slurries of sulfur removal technology) and conventional heating system, 100 DEG C or so of high-temperature water can also obtain sufficiently
Utilization, and this high-temperature water can be easier to obtain by the heat exchange with low-temperature flue gas (less than 200 DEG C).However steel plant
Each production technology be often be interrupted and dispersion, if merely for a certain technique be arranged low-temperature flue gas heat-exchange system, equipment
Cost of investment can greatly improve, and the hot water generated also tends to discontinuously, it is difficult to be fully utilized.
A kind of residual-heat utilization method exists in the prior art, utilizes smoke gas afterheat heat exchanger and exhaust heat of slag flushing water in steel mill
Heat exchanger heats heat supply network return water, when thermic load is in danger peak value, restarts gas fired-boiler and heats to hot net water,
Energy cascade utilization is realized, but the peak regulating method needs to consume combustion gas, generates additional energy consumption, in addition pipeline for gas
Installation and construction be also required to cost and land occupation.In addition, this method is merely with the single waste heat in steel mill, i.e., more than washing slag water
Heat.In addition, energy storage canister is used merely to storage heat supply network moisturizing, utilization rate of waste heat can not be improved well.
Another residual-heat utilization method exists in the prior art, generates steaming using the waste heat of converter, shaft furnace, heating furnace
Steam integration, the distribution of different parameters are completed hair into the not at the same level of steam turbine by storage heater and electrically operated valve by vapour
Electricity has collected the steam for the different parameters that distinct device generates in steel mill.But the technology only collects and incorporates high-temperature flue gas
Waste heat product-steam, but to generate steam after low-temperature flue gas, do not give and utilize, and steam accumulator finite volume,
The quantity of steam that can be stored and adjust is limited, if production is interrupted for a long time, can also impact to steam turbine power generation.
The present inventor based on years of experience and practice in relevant industries, proposes a kind of discontinuous heat source hot water as a result,
Heat accumulation utilization system, to overcome the deficiencies of existing technologies.
Utility model content
The purpose of this utility model is to provide a kind of discontinuous heat source hot water heat accumulation utilization systems, overcome existing skill
Discontinuous waste heat present in art recycles the problems such as category is single, heat recovery rate is low, the discontinuous heat source hot water heat accumulation
The raw hot water of stopping pregnancy among multiple processes can be summarized storage and utilized by utilization system, realize the simplification of equipment, and energy
Improve utilization efficiency of heat energy and continuity.
The purpose of this utility model is achieved in that a kind of discontinuous heat source hot water heat accumulation utilization system, including
The high efficiency energy storage water pot of heat from heat source can be stored and discharge, the high efficiency energy storage water pot includes energy storage water tank, the energy storage water tank
Top connection setting high temperature water passage pipe, the energy storage water tank lower part connection setting low temperature water passage pipe, the high-temperature water
The water distributor open at one end for being connected to setting dish-type and energy water distribution uniformity of tube channel and the low temperature water passage pipe；The interruption
Formula heat source hot water heat accumulation utilization system further includes UTILIZATION OF VESIDUAL HEAT IN portion and the waste heat supply unit that can be interrupted offer heat source thermal energy, institute
Another end opening for stating high temperature water passage pipe passes through the high-temperature water outlet of the first high-temperature conduit and waste heat supply unit or passes through
Second high-temperature conduit is connected to the high temperature water inlet in UTILIZATION OF VESIDUAL HEAT IN portion, and another end opening of the low temperature water passage pipe passes through first
Low temperature water pipe is connected to the low temperature water inlet of waste heat supply unit or is gone out by the second low temperature water pipe and the water at low temperature in UTILIZATION OF VESIDUAL HEAT IN portion
Mouth connection, the low temperature water passage pipe, the first low temperature water pipe, the waste heat supply unit, first high-temperature conduit and institute
It states the connection of high temperature water passage pipe and constitutes and fill thermal cycle channel, the high temperature water passage pipe, second high-temperature conduit, the waste heat
Heat release circulation canal is constituted using portion, the second low temperature water pipe and the low temperature water passage pipe.
In a better embodiment of the utility model, the water distributor includes the water distribution trunk being radially arranged
It manages, connection setting is in horizontally disposed water distributor group on the water distribution main pipe, and the water distributor group includes multiple coaxial and diameters
To spaced annular water distributor, the circumferentially spaced multiple nozzles of setting on each annular water distributor, each annular cloth
The spray flow of water pipe is in cumulative setting from close energy storage water tank radial center to separate energy storage water tank radial center.
In a better embodiment of the utility model, by multiple along week between the two neighboring annular water distributor
To spaced cross over pipe radial communication, the cross over pipe positioned at the radially opposite sides of the same annular water distributor is in circumferentially staggered
Setting.
In a better embodiment of the utility model, the caliber of each annular water distributor is from close to energy storage water tank diameter
To center to being in cumulative setting far from energy storage water tank radial center, the nozzle quantity on each annular water distributor is from close to accumulation of energy
Water tank radial center is to separate energy storage water tank radial center in cumulative setting；
The annular water distributor close to energy storage water tank side wall is set as first annular water distributor, on the first annular water distributor
The nozzle of setting is first jet, what setting was arranged on each annular water distributor of the first annular water distributor radially inner side
Nozzle is second nozzle, and the sectional area of the first jet is in tapered setting, the section of the second nozzle from entrance to outlet
Accumulating is in cumulative setting from entrance to outlet, and the discharge pressure of each first jet and each second nozzle is in identical setting.
In a better embodiment of the utility model, the outside cladding setting multilayer heat insulation knot of the energy storage water tank
Structure, circumferentially pressure sensor is arranged in uniform intervals to the inside bottom of the energy storage water tank.
In a better embodiment of the utility model, gone here and there on the first low temperature water pipe and the second low temperature water pipe
It is connected to water pump.
In a better embodiment of the utility model, the waste heat supply unit includes low-temperature flue gas waste heat recoverer,
The low-temperature flue gas waste heat recoverer includes flue gas heat-exchange unit, includes exhaust gases passes and waste heat recycle-water in the flue gas heat-exchange unit
Channel, the entrance of the waste heat recycling aquaporin and the outlet of the first low temperature water pipe, the waste heat recycle aquaporin
Outlet be connected to the entrance of first high-temperature conduit.
In a better embodiment of the utility model, the flue gas heat-exchange unit includes sintering circular-cooler flue gas heat exchange
Device, electric furnace flue gas heat exchanger and converter gas heat exchanger, the entrance of the exhaust gases passes of sintering circular-cooler flue gas heat-exchange unit and sintering
The low-temperature flue gas outlet of ring cold machine, the outlet of the exhaust gases passes of sintering circular-cooler flue gas heat-exchange unit and the sky of sintering circular-cooler
The connection of gas entrance；The entrance of waste heat recycling aquaporin of sintering circular-cooler flue gas heat-exchange unit and going out for the first low temperature water pipe
Mouth connection, the outlet of the waste heat recycling aquaporin of sintering circular-cooler flue gas heat-exchange unit and the entrance company of first high-temperature conduit
It is logical；
The entrance of the exhaust gases passes of electric furnace flue gas heat exchanger and the low-temperature flue gas outlet of electric furnace, electric furnace flue gas heat exchanger
The outlets of exhaust gases passes be connected to coal gas system；The entrance and one described the of the waste heat recycling aquaporin of electric furnace flue gas heat exchanger
The outlet of one low temperature water pipe, the outlet of the waste heat recycling aquaporin of electric furnace flue gas heat exchanger and first high-temperature conduit
Entrance connection；
The entrance of the exhaust gases passes of converter gas heat exchanger and the low-temperature flue gas outlet of converter, converter gas heat exchanger
The outlets of exhaust gases passes be connected to coal gas system；The entrance and one described the of the waste heat recycling aquaporin of converter gas heat exchanger
The outlet of one low temperature water pipe, the outlet of the waste heat recycling aquaporin of converter gas heat exchanger and first high-temperature conduit
Entrance connection.
In a better embodiment of the utility model, the UTILIZATION OF VESIDUAL HEAT IN portion includes heat supply heat exchanger channels, institute
State the entrance of heat supply heat exchanger channels and the outlet of second high-temperature conduit；The heat supply heat exchanger channels go out
Mouth is connected to the entrance of the second low temperature water pipe.
In a better embodiment of the utility model, the heat supply heat exchanger channels include the supply of heating station heat
Heat exchanger channels, water cooler heat supply heat exchanger channels and ORC electricity generation system heat supply heat exchanger channels；
Heating station heat supplies the entrance of heat exchanger channels and the outlet of second high-temperature conduit, described to adopt
The outlet of warm station heat supply heat exchanger channels is connected to the entrance of the second low temperature water pipe；The water cooler heat supply
The outlet of the entrance of heat exchanger channels and second high-temperature conduit, the water cooler heat supply heat exchanger channels go out
Mouth is connected to the entrance of the second low temperature water pipe；The entrance of the ORC electricity generation system heat supply heat exchanger channels and an institute
The outlet of the second high-temperature conduit is stated, the outlet of the ORC electricity generation system heat supply heat exchanger channels is low with one described second
The entrance of warm water tube is connected to.
From the above mentioned, discontinuous heat source hot water heat accumulation utilization system provided by the utility model has following beneficial to effect
Fruit:
In the discontinuous heat source hot water heat accumulation utilization system of the utility model, thermal cycle channel is filled by each of steel plant
The low-temperature flue gas thermal energy that production technology continuously or discontinuously, dispersedly provides absorbs to form high-temperature water by heat transfer form, and should
Part high-temperature water collects is stored in the inner cavity top of high efficiency energy storage water pot and realizes and fill heat, realizes that waste heat adequately recycle and equipment
Simplify；Interruption and the low-temperature flue gas thermal energy of dispersion collect and are medium by thermal energy storage, high efficiency energy storage using the biggish water of specific heat capacity
Water pot volume is larger, can store the hot water for being interrupted or continuously generating in multiple processes, can be by putting after charging process
High-temperature water continuous-stable is delivered to UTILIZATION OF VESIDUAL HEAT IN portion and realizes heat release by thermal cycle channel, greatly improves thermal water utilization efficiency and continuous
Property；The discontinuous heat source hot water heat accumulation utilization system of the utility model makes the utilizability of low-temperature flue gas thermal energy break through season
Limiting factor is measuring upper scale, and practicability is more extensive, and economic benefit is more lasting, more significant.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1: for the discontinuous heat source hot water heat accumulation utilization system schematic diagram of the utility model.
Fig. 2: for the schematic diagram of the high efficiency energy storage water pot of the utility model.
Fig. 3: for cross-sectional view at A-A in Fig. 2.
In figure:
200, discontinuous heat source hot water heat accumulation utilization system；
201, the first high-temperature conduit；202, the first low temperature water pipe；203, the second high-temperature conduit；204, the second low temperature water pipe；
300, UTILIZATION OF VESIDUAL HEAT IN portion；
301, heating station heat supplies heat exchanger channels；302, water cooler heat supplies heat exchanger channels；
400, waste heat supply unit；
401, sintering circular-cooler flue gas heat-exchange unit；402, electric furnace flue gas heat exchanger；403, converter gas heat exchanger；
100, high efficiency energy storage water pot；
1, energy storage water tank；
11, high temperature water passage pipe；12, low temperature water passage pipe；
2, water distributor；
21, water distribution main pipe；22, water distributor group；221, first annular water distributor；23, cross over pipe；
31, first jet；32, second nozzle；
4, multiple layer heat insulation structure；
5, water pump；
91, sintering circular-cooler；92, electric furnace；93, coal gas system；94, converter；95, heating heat-exchange station；96, water cooler；
97, ORC electricity generation system.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of discontinuous heat source hot water heat accumulation utilization system 200, packet
The high efficiency energy storage water pot 100 that can store and discharge heat from heat source is included, high efficiency energy storage water pot 100 includes energy storage water tank 1, energy storage water tank
The lower part connection setting low temperature water passage pipe 12 of 1 top connection setting high temperature water passage pipe 11, energy storage water tank 1 (needs to illustrate
, high-temperature water, water at low temperature mentioned in text are opposite temperature, and the top water temperature of energy storage water tank 1 is higher than energy storage water tank 1
Lower part water temperature, temperature do not limit explicitly, and high temperature coolant-temperature gage therein is not higher than the low-temperature flue gas of waste heat supply unit discharge
Temperature, the temperature of general low-temperature flue gas is less than 200 DEG C), the both ends open of high temperature water passage pipe 11 and low temperature water passage pipe 12
It is disengaging two-way opening, high temperature water passage pipe 11 is connected to setting dish-type and energy with the open at one end of low temperature water passage pipe 12
The water distributor 2 of even water distribution；Discontinuous heat source hot water heat accumulation utilization system 200 further includes UTILIZATION OF VESIDUAL HEAT IN portion 300 and can be interrupted
The waste heat supply unit of heat source thermal energy (the low-temperature flue gas thermal energy that each production technology of steel plant is interrupted and is dispersedly provided) is provided
400, the high temperature water out that another end opening of high temperature water passage pipe 11 passes through the first high-temperature conduit 201 and waste heat supply unit 400
Connection or be connected to by the second high-temperature conduit 203 with the high temperature water inlet in UTILIZATION OF VESIDUAL HEAT IN portion 300, low temperature water passage pipe 12 it is another
End opening is connected to the low temperature water inlet of waste heat supply unit 400 by the first low temperature water pipe 202 or by the second low temperature water pipe 204
With the water at low temperature outlet in UTILIZATION OF VESIDUAL HEAT IN portion 300, low temperature water passage pipe 12, the first low temperature water pipe 202, waste heat supply unit 400,
First high-temperature conduit 201 is connected to composition with high temperature water passage pipe 11 and fills thermal cycle channel, high temperature water passage pipe 11, the second high-temperature water
Pipe 203, UTILIZATION OF VESIDUAL HEAT IN portion 300, the second low temperature water pipe 204 and low temperature water passage pipe 12 constitute heat release circulation canal, fill thermal cycle
Channel is selected one with heat release circulation canal and is connected to, and thermal cycle channel is filled when filling heat in connected state, and heat release circulation canal is in when heat release
Connected state.
In the discontinuous heat source hot water heat accumulation utilization system of the utility model, thermal cycle channel is filled by each of steel plant
The low-temperature flue gas thermal energy that production technology continuously or discontinuously, dispersedly provides absorbs to form high-temperature water by heat transfer form, and should
Part high-temperature water collects is stored in the inner cavity top of high efficiency energy storage water pot and realizes and fill heat, realizes that waste heat adequately recycle and equipment
Simplify；Interruption and the low-temperature flue gas thermal energy of dispersion collect and are medium by thermal energy storage, high efficiency energy storage using the biggish water of specific heat capacity
Water pot volume is larger, can store the hot water for being interrupted or continuously generating in multiple processes, can be by putting after charging process
High-temperature water continuous-stable is delivered to UTILIZATION OF VESIDUAL HEAT IN portion and realizes heat release by thermal cycle channel, greatly improves thermal water utilization efficiency and continuous
Property；The discontinuous heat source hot water heat accumulation utilization system of the utility model makes the utilizability of low-temperature flue gas thermal energy break through season
Limiting factor is measuring upper scale, and practicability is more extensive, and economic benefit is more lasting, more significant.
Further, as shown in Figure 2 and Figure 3, water distributor 2 includes the water distribution main pipe 21 being radially arranged, water distribution main pipe
Connection setting is in horizontally disposed water distributor group 22 on 21, and water distributor group 22 includes the annular of multiple coaxial and spaced radial settings
Water distributor, (nozzle be the structure for allowing liquid bidirectional flowing, nozzle to the multiple nozzles of circumferentially spaced setting on each annular water distributor
When external pressure is greater than annular water distribution overpressure, liquid is flowed out out of energy storage water tank through nozzle, water distributor, nozzle exterior pressure
When less than annular water distribution overpressure, liquid flows into energy storage water tank through nozzle, water distributor), it, can be with height to be operated convenient for water distribution
The opening up setting for each nozzle that warm water tube channel 11 is connected to, the spray flow of each annular water distributor is from close to energy storage water tank diameter
To center to separate energy storage water tank radial center in cumulative setting.
High efficiency energy storage water pot in the discontinuous heat source hot water heat accumulation utilization system of the utility model can be evenly distributed with water distribution,
Each annular water distributor of novel cloth hydrophone and radial water distribution main pipe can make high-temperature water be evenly distributed, and each annular water distributor
Spray flow from close to energy storage water tank radial center to far from energy storage water tank radial center be in cumulative setting, guarantor unit's area
Upper cloth water is identical, to realize the uniform injection of high-temperature water in energy storage water tank, guarantees that mesolimnion is stablized, improves energy storage water tank
Utilization efficiency effectively improves heating efficiency；Water distribution main pipe is radially arranged, and main pipeline (high temperature water passage pipe) can be made to bear
Propulsive thrust it is more uniform, reduce water distributor ontology thermal stress, increase water distributor overall stability, effectively improve accumulation of energy water
Intensity after tank enlargement；The water tank cross-sectional area that the high efficiency energy storage water pot is able to achieve average amount of water sprayed equalization minimizes, effectively
The investment and occupied area of ground reduction equipment.
Further, as shown in figure 3, passing through the cross over pipe of multiple circumferentially spaced settings between two neighboring annular water distributor
23 radial communications, in the present embodiment, at Radius be arranged adjacent two cross over pipe 23 between circumferential angle be
90°；To balance the pressure difference between two neighboring annular water distributor, positioned at the cross over pipe of the radially opposite sides of same annular water distributor
23 be in circumferentially staggered setting.Each annular water distributor can make each nozzle (water distribution mouth) static pressure at same radius position identical, respectively
The cross over pipe being arranged between annular water distributor can balance radial hydraulic pressure, so that the pressure balance between each annular water distributor, identical quiet
Pressure will increase the self-balancing ability of liquid level, guarantee the uniformity of water distribution.Water distribution is uniformly stablized, and can guarantee that mesolimnion is stablized, no
The original balance of water destruct in energy storage water tank 1 can newly be entered, to improve energy storage water tank utilization rate.
Further, small close to the position cloth water area of energy storage water tank radial center, the position far from energy storage water tank radial center
Set that cloth water area is big, to keep the water distribution on each annular water distributor uniform, close to the annular water distributor of energy storage water tank radial center
Spray flow should be less than the spray flow of the annular water distributor far from energy storage water tank radial center；Meanwhile close to energy storage water tank diameter
Hydraulic pressure into the annular water distributor (inner ring annular water distributor) at center is greater than the annular water distribution far from energy storage water tank radial center
The hydraulic pressure in (outer ring annular water distributor) is managed, the caliber of each annular water distributor is from close energy storage water tank radial center to far from accumulation of energy
Water tank radial center is in cumulative setting, and the nozzle quantity on each annular water distributor is stored from close to energy storage water tank radial center to separate
Energy water tank radial center is in cumulative setting.
As shown in Figure 2 and Figure 3, the annular water distributor close to energy storage water tank side wall is set as first annular water distributor 221, the
The nozzle being arranged on one annular water distributor 221 is first jet 31, and setting is located at each of first annular 221 radially inner side of water distributor
The nozzle being arranged on annular water distributor is second nozzle 32, and the sectional area of first jet 31 is in tapered setting from entrance to outlet
(entrance of first jet 31 is connected to first annular water distributor 221, and the outlet of first jet 31 is arranged upward, constitutes positive loudspeaker
The setting of shape structure, i.e. necking), in cumulative setting, (second nozzle 32 enters from entrance to outlet for the sectional area of second nozzle 32
Mouth is connected to the annular water distributor of first annular 221 radially inner side of water distributor, and the outlet of second nozzle 32 is arranged upward, is constituted
Horn-like structure, i.e. flaring setting), the discharge pressure of each first jet and each second nozzle is in identical setting.Close to accumulation of energy
Hydraulic pressure in the annular water distributor (inner ring annular water distributor) of water tank radial center is greater than the ring far from energy storage water tank radial center
Hydraulic pressure in shape water distributor (outer ring annular water distributor), the second nozzle 32 of horn-like structure can increase water outlet sectional area and reduce
Outlet pressure, the second nozzle 32 of just horn-like structure can reduce water outlet sectional area and increase outlet pressure, originally close to accumulation of energy water
The nozzle resistance of case radial center loses the small big caused pressure difference of nozzle resistance loss far from energy storage water tank radial center
It can be balanced by the way that different form of nozzle is arranged, the nozzle discharge pressure on entire water distributor is made to reach consistent.
Further, as shown in figure 3, the outside cladding setting multiple layer heat insulation structure 4 of energy storage water tank 1, enhances energy storage water tank
Thermal insulation, reduce heat loss, original layered structure is destroyed in energy storage water tank after preventing thermal loss excessive, increases accumulation of energy water
Tank utilization rate.
The inside bottom of energy storage water tank 1 circumferentially uniform intervals be arranged pressure sensor, large-scale energy storage water tank volume compared with
Big and height is very high, and conventional magnetic turning plate and the installation of electrode points liquidometer are complex, and pressure is arranged in the bottom of energy storage water tank 1
(water) the density difference of heat storage medium under the different temperatures original different to the pressure generated is utilized in sensor, pressure sensor
Reason, pressure sensor can be converted into water volume in energy storage water tank 1 by density, calculate liquid level in energy storage water tank 1, pressure
Sensor is easy for installation, and it is simple, accurate to calculate.
Further, as shown in Figure 1, being serially connected with water pump 5, water pump 5 on the first low temperature water pipe 202 and the second low temperature water pipe 204
The pressure for improving water at low temperature, makes it more smoothly enter the waste heat recycle-water in low temperature water passage pipe 12 or each flue gas heat-exchange unit
Channel.
Further, waste heat supply unit 400 includes low-temperature flue gas waste heat recoverer, and low-temperature flue gas waste heat recoverer includes flue gas
Heat exchanger, interior flue gas heat-exchange unit includes that exhaust gases passes and waste heat recycle aquaporin, and the entrance that waste heat recycles aquaporin is low with first
The outlet of the outlet of warm water tube, waste heat recycling aquaporin is connected to the entrance of the first high-temperature conduit.The utility model utilizes
Heat source be low temperature, interruption or continuous heat source, after all heat sources are not easy to be utilized or other UTILIZATION OF VESIDUAL HEAT IN processes utilize
The heat source that low temperature and interruption generate can collect for further utilizing.
As shown in Figure 1, in a specific embodiment of the utility model, 3 sections of low-temperature flue gas of sintering circular-cooler, electric furnace low temperature
Flue gas and converter low-temperature flue gas can constitute discontinuous heat source, and flue gas heat-exchange unit includes sintering circular-cooler flue gas heat-exchange unit 401, electric furnace
Flue gas heat-exchange unit 402 and converter gas heat exchanger 403；
The entrance of the exhaust gases passes of sintering circular-cooler flue gas heat-exchange unit 401 and the low-temperature flue gas of sintering circular-cooler 91 export and connect
Logical, the outlet of the exhaust gases passes of sintering circular-cooler flue gas heat-exchange unit 401 is connected to the air intake of sintering circular-cooler 91；Sintered ring
The entrance of the waste heat recycling aquaporin of cold flue gas heat-exchange unit 401 and the outlet of one first low temperature water pipe 202, sintered ring are cold
The outlet of the waste heat recycling aquaporin of machine flue gas heat-exchange unit 401 is connected to the entrance of one first high-temperature conduit 201；Sintering circular-cooler
91 can generally generate three sections of low-temperature flue gas, and flue gas caused by sintering circular-cooler 91 is substantially continuous, wherein 1,2 section of low-temperature flue gas quilt
It is introduced into waste heat boiler and is utilized, but 3 sections of low-temperature flue gas are often diffused, sintered ring in the utility model because temperature is lower
3 sections of low-temperature flue gas of cold 91 are incorporated by one of heat source, more than the heating of the exhaust gases passes of sintering circular-cooler flue gas heat-exchange unit 401
Low temperature coolant-temperature gage is improved to 80~100 DEG C, generates substantially continuous high-temperature water by water at low temperature in heat recovery water channel, the part
High-temperature water enters high efficiency energy storage water pot 100 by the first high-temperature conduit 201；
The entrance of the exhaust gases passes of electric furnace flue gas heat exchanger 402 and the low-temperature flue gas outlet of electric furnace 92, electric furnace flue gas
The outlet of the exhaust gases passes of heat exchanger 402 is connected to coal gas system 93；The waste heat recycling aquaporin of electric furnace flue gas heat exchanger 402
The outlet of entrance and one first low temperature water pipe 202, the outlet and one of the waste heat recycling aquaporin of electric furnace flue gas heat exchanger 402
The entrance of first high-temperature conduit 201 is connected to；Electric furnace 92 is often interruption production in production, one process flow of every progress, just
The flue gas of a cycle is generated, flue gas is discharged after the utilization of steam heat recovery boiler, and steam heat recovery boiler is discharged low
Warm flue gas, which draws, does one of heat source, heats waste heat by the exhaust gases passes of electric furnace flue gas heat exchanger 402 and recycles water at low temperature in aquaporin,
Low temperature coolant-temperature gage is improved to 80~100 DEG C, intermittent high-temperature water is generated, which passes through the first high-temperature conduit 201
Into high efficiency energy storage water pot 100；
The entrance of the exhaust gases passes of converter gas heat exchanger 403 and the low-temperature flue gas outlet of converter 94, converter gas
The outlet of the exhaust gases passes of heat exchanger 403 is connected to coal gas system 93；The waste heat recycling aquaporin of converter gas heat exchanger 403
The outlet of entrance and one first low temperature water pipe 202, the outlet and one of the waste heat recycling aquaporin of converter gas heat exchanger 403
The entrance of first high-temperature conduit 201 is connected to；Converter 94 generates high-temperature flue gas when only blowing, the high temperature cigarette in STEELMAKING PRODUCTION
After gas is by converter vapourization cooling system and dust pelletizing system, high-temperature flue gas part enters plant area's coal gas system, remaining low temperature cigarette
Gas, which draws, does one of heat source, heats waste heat by the exhaust gases passes of converter gas heat exchanger 403 and recycles water at low temperature in aquaporin, will be low
Warm water temperature is improved to 80~100 DEG C, generates intermittent high-temperature water, which is entered by the first high-temperature conduit 201
High efficiency energy storage water pot 100.
Further, UTILIZATION OF VESIDUAL HEAT IN portion 300 includes that heat supplies heat exchanger channels, and heat supplies the entrance and second of heat exchanger channels
The outlet of high-temperature conduit 203；The outlet of heat supply heat exchanger channels is connected to the entrance of the second low temperature water pipe 204.This reality
With novel UTILIZATION OF VESIDUAL HEAT IN user's heat feature be continuous-stable or stage by stage use the user of hot water, such as plant area's heat supply
User (heating heat-exchange station 95), ORC electricity generation system 97, water cooler of desulphurization system 96 etc., but be not limited only to mention in text
Three of the above form, it is all to need continuously or discontinuously being used with the UTILIZATION OF VESIDUAL HEAT IN that can be used as the utility model per family using hot water
Family.
As shown in Figure 1, it includes heating station heat that heat, which supplies heat exchanger channels, in a specific embodiment of the utility model
It supplies heat exchanger channels, water cooler heat supply heat exchanger channels and ORC electricity generation system heat and supplies heat exchanger channels；
Heating station heat supplies the entrance of heat exchanger channels 301 and the outlet of one second high-temperature conduit 203, heating station heat
The outlet of amount supply heat exchanger channels is connected to the entrance of one second low temperature water pipe 204；High efficiency energy storage water pot 100 can be high by second
Warm water tube 203 stablizes discharge high-temperature water, and stable high-temperature water can be used as the supplemental heat source at the heating heat-exchange station 95 of plant area, to subtract
The consumption of other few energy.When starting exothermic process, the high-temperature water on large-scale 100 upper layer of high efficiency energy storage water pot passes through
The water distributor of high-temperature water, high temperature water passage pipe 11 flow out water pot to the second high-temperature conduit 203, pass through the switching of valve and water pump
Power, high-temperature water can enter in the heating station heat supply heat exchanger channels 301 at plant area's heating heat-exchange station, set in heating heat-exchange station 95
Heating water heat circulation canal is set, heating station heat supplies the high-temperature water in heat exchanger channels 301 to heating water heat circulation canal
Interior heating water heating, for plant area's heating service, heating station heat supplies the water at low temperature in heat exchanger channels 301 after heat exchange through second
Low temperature water pipe 204 flow back into low temperature water passage pipe 12, by the water at low temperature water distributor of lower layer it is uniform and stable return to high efficiency energy storage
100 lower layer of water pot；
Water cooler heat supplies the entrance of heat exchanger channels 302 and the outlet of one second high-temperature conduit 203, cooling-water machine
The outlet of group heat supply heat exchanger channels is connected to the entrance of one second low temperature water pipe 204；High efficiency energy storage water pot 100 can be by the
Two high-temperature conduits 203 stablize discharge high-temperature water, and stable high-temperature water can be used as the supplemental heat source of water cooler, to reduce other
The consumption of the energy.When starting exothermic process, the high-temperature water on large-scale 100 upper layer of high efficiency energy storage water pot passes through high-temperature water
Water distributor, high temperature water passage pipe 11 flow out water pot to the second high-temperature conduit 203, by the switching of valve and the power of water pump,
High-temperature water can enter in water cooler 96, and high-temperature water is used to provide high warm for the heat absorption formula refrigeration cycle of water cooler 96
Source, electric energy, generates cold water product in addition, and high temperature coolant-temperature gage is higher, and power consumption is fewer, recycles the cold water of generation for desulphurization system
Middle cool slurry, the water at low temperature after heat exchange flow back into low temperature water passage pipe 12 through the second low temperature water pipe 204, pass through the low temperature of lower layer
Water cloth hydrophone it is uniform and stable return to 100 lower layer of high efficiency energy storage water pot；
ORC electricity generation system heat supplies the entrance of heat exchanger channels and the outlet of one second high-temperature conduit 203, ORC hair
The outlet of electric system heat supply heat exchanger channels is connected to the entrance of one second low temperature water pipe 204.High efficiency energy storage water pot 100 can lead to
It crosses the second high-temperature conduit 203 and stablizes discharge high-temperature water, heat source of the stable high-temperature water as ORC electricity generation system.When beginning heat release
When process, the high-temperature water on large-scale 100 upper layer of high efficiency energy storage water pot passes through the water distributor of high-temperature water, high temperature water passage pipe
11 outflow water pots to the second high-temperature conduit 203, by the switching of valve and the power of water pump, high-temperature water can enter ORC power generation system
It is produced electricl energy in system 97 (low boiling working fluid power generation, the prior art), the water at low temperature after heat exchange is flow back into through the second low temperature water pipe 204
Low temperature water passage pipe 12, by the water at low temperature water distributor of lower layer it is uniform and stable return to 100 lower layer of high efficiency energy storage water pot.
200 use process of discontinuous heat source hot water heat accumulation utilization system of the utility model includes charging process and puts
Thermal process, in charging process, low temperature water passage pipe 12, the first low temperature water pipe 202, waste heat supply unit 400, the first high-temperature conduit
The 201 thermal cycle channels of filling constituted with high temperature water passage pipe 11 are connected to, and UTILIZATION OF VESIDUAL HEAT IN portion 300 and high efficiency energy storage water pot 100 are in disconnected
Open state；The underlying low temperature water of energy storage water tank 1 enters waste heat supply unit from the outflow of the first low temperature water pipe 202 through the water distributor of lower layer
400 (including sintering circular-cooler flue gas heat-exchange unit 401, electric furnace flue gas heat exchanger 402 and converter gas heat exchangers 403), through flue gas
The heat that low-temperature flue gas is drawn in heat exchanger heat exchange constitutes high-temperature water (heat transfer process in each flue gas heat-exchange unit is as previously described), more than
The high-temperature water that heat supply portion 400 is flowed out enters high temperature water passage pipe 11, and the water distributor for passing through upper layer through the first high-temperature conduit 201
By 1 top of energy storage water tank for being distributed in large-scale high efficiency energy storage water pot 100 that high-temperature water is uniform and stable, hot water layer is gradually to storage
Energy 1 lower stable of water tank expansion, carries out with production, and high-temperature water will be interrupted into energy storage water tank 1, until energy storage water tank 1 is full of
Hot water completes a charging process.
In exothermic process, high temperature water passage pipe 11, the second high-temperature conduit 203, UTILIZATION OF VESIDUAL HEAT IN portion 300, the second low temperature water pipe
The 204 heat release circulation canals constituted with low temperature water passage pipe 12 are connected to, and waste heat supply unit 400 and high efficiency energy storage water pot 100 are in disconnected
Open state；The upper layer high-temperature water of energy storage water tank 1 is oozed from the second high-temperature conduit 203 to UTILIZATION OF VESIDUAL HEAT IN through the water distributor on upper layer
Portion 300 (including heating station heat supply heat exchanger channels, water cooler heat supply heat exchanger channels and ORC electricity generation system heat supply
To heat exchanger channels), cooled down through the supply heat exchanger channels heat exchange of each heat, the water at low temperature flowed out from UTILIZATION OF VESIDUAL HEAT IN portion 300 is through second
Low temperature water pipe 204 enters low temperature water passage pipe 12, and uniformly and stably enters 1 lower layer of energy storage water tank by the water distributor of lower layer,
Water at low temperature gradually to stable expansion above energy storage water tank 1, realizes uniform and stable exothermic process, meets each user's of on-site
It needs.
From the above mentioned, discontinuous heat source hot water heat accumulation utilization system provided by the utility model has following beneficial to effect
Fruit:
In the discontinuous heat source hot water heat accumulation utilization system of the utility model, thermal cycle channel is filled by each of steel plant
The low-temperature flue gas thermal energy that production technology continuously or discontinuously, dispersedly provides absorbs to form high-temperature water by heat transfer form, and should
Part high-temperature water collects is stored in the inner cavity top of high efficiency energy storage water pot and realizes and fill heat, realizes that waste heat adequately recycle and equipment
Simplify；Interruption and the low-temperature flue gas thermal energy of dispersion collect and are medium by thermal energy storage, high efficiency energy storage using the biggish water of specific heat capacity
Water pot volume is larger, can store the hot water for being interrupted or continuously generating in multiple processes, can be by putting after charging process
High-temperature water continuous-stable is delivered to UTILIZATION OF VESIDUAL HEAT IN portion and realizes heat release by thermal cycle channel, greatly improves thermal water utilization efficiency and continuous
Property；The discontinuous heat source hot water heat accumulation utilization system of the utility model makes the utilizability of low-temperature flue gas thermal energy break through season
Limiting factor is measuring upper scale, and practicability is more extensive, and economic benefit is more lasting, more significant.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent change under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (10)
1. a kind of discontinuous heat source hot water heat accumulation utilization system, which is characterized in that including that can store and discharge heat from heat source
High efficiency energy storage water pot, the high efficiency energy storage water pot includes energy storage water tank, the top of energy storage water tank connection setting high-temperature water
Tube channel, the lower part connection setting low temperature water passage pipe of the energy storage water tank, the high temperature water passage pipe and the water at low temperature are logical
The connection setting dish-type open at one end of deferent and the water distributor of energy water distribution uniformity；The comprehensive benefit of the discontinuous heat source hot water heat accumulation
With system further include UTILIZATION OF VESIDUAL HEAT IN portion and can be interrupted offer heat source thermal energy waste heat supply unit, the high temperature water passage pipe it is another
End opening passes through the high-temperature water outlet of the first high-temperature conduit and waste heat supply unit or by the second high-temperature conduit and waste heat benefit
It is connected to the high temperature water inlet in portion, another end opening of the low temperature water passage pipe passes through the first low temperature water pipe and waste heat supply unit
The connection of low temperature water inlet or pass through the water at low temperature outlet of the second low temperature water pipe and UTILIZATION OF VESIDUAL HEAT IN portion, the low temperature aquaporin
Pipe, the first low temperature water pipe, the waste heat supply unit, first high-temperature conduit are connected to composition with the high temperature water passage pipe
Fill thermal cycle channel, the high temperature water passage pipe, second high-temperature conduit, the UTILIZATION OF VESIDUAL HEAT IN portion, second water at low temperature
Pipe and the low temperature water passage pipe constitute heat release circulation canal.
2. discontinuous heat source hot water heat accumulation utilization system as described in claim 1, which is characterized in that the water distributor packet
The water distribution main pipe being radially arranged is included, connection setting is in horizontally disposed water distributor group on the water distribution main pipe, described
Water distributor group includes the annular water distributor of multiple coaxial and spaced radial settings, circumferentially spaced on each annular water distributor to set
Multiple nozzles are set, the spray flow of each annular water distributor is from close energy storage water tank radial center to far from energy storage water tank radial direction
Center is in cumulative setting.
3. discontinuous heat source hot water heat accumulation utilization system as claimed in claim 2, which is characterized in that two neighboring described
By the cross over pipe radial communication of multiple circumferentially spaced settings between annular water distributor, positioned at the same annular water distributor
The cross over pipe of radially opposite sides is in circumferentially staggered setting.
4. discontinuous heat source hot water heat accumulation utilization system as claimed in claim 3, which is characterized in that each annular cloth
The caliber of water pipe is in cumulative setting from close energy storage water tank radial center to separate energy storage water tank radial center, each annular cloth
Nozzle quantity on water pipe is from close energy storage water tank radial center to separate energy storage water tank radial center in cumulative setting；
The annular water distributor close to energy storage water tank side wall is set as first annular water distributor, is arranged on the first annular water distributor
Nozzle be first jet, setting is located at the nozzle being arranged on each annular water distributor of the first annular water distributor radially inner side
For second nozzle, the sectional area of the first jet is in tapered setting from entrance to outlet, and the sectional area of the second nozzle is certainly
Entrance is in cumulative setting to outlet, and the discharge pressure of each first jet and each second nozzle is in identical setting.
5. discontinuous heat source hot water heat accumulation utilization system as claimed in claim 4, which is characterized in that the energy storage water tank
Outside cladding setting multiple layer heat insulation structure, the inside bottom of the energy storage water tank circumferentially uniform intervals be arranged pressure sensing
Device.
6. discontinuous heat source hot water heat accumulation utilization system as described in claim 1, which is characterized in that first low temperature
Water pump is serially connected on water pipe and the second low temperature water pipe.
7. discontinuous heat source hot water heat accumulation utilization system as described in claim 1, which is characterized in that the waste heat supply
Portion includes low-temperature flue gas waste heat recoverer, and the low-temperature flue gas waste heat recoverer includes flue gas heat-exchange unit, the flue gas heat-exchange unit
Interior includes that exhaust gases passes and waste heat recycle aquaporin, the entrance of the waste heat recycling aquaporin and going out for the first low temperature water pipe
The outlet of mouth connection, the waste heat recycling aquaporin is connected to the entrance of first high-temperature conduit.
8. discontinuous heat source hot water heat accumulation utilization system as claimed in claim 7, which is characterized in that the flue gas heat exchange
Device includes sintering circular-cooler flue gas heat-exchange unit, electric furnace flue gas heat exchanger and converter gas heat exchanger, sintering circular-cooler flue gas heat exchange
The flue gas of the entrance of the exhaust gases passes of device and the low-temperature flue gas outlet of sintering circular-cooler, sintering circular-cooler flue gas heat-exchange unit is logical
The outlet in road is connected to the air intake of sintering circular-cooler；The entrance of the waste heat recycling aquaporin of sintering circular-cooler flue gas heat-exchange unit
With the outlet of the first low temperature water pipe, the outlet and one of the waste heat recycling aquaporin of sintering circular-cooler flue gas heat-exchange unit
The entrance of first high-temperature conduit is connected to；
The entrance of the exhaust gases passes of electric furnace flue gas heat exchanger and the low-temperature flue gas outlet of electric furnace, the cigarette of electric furnace flue gas heat exchanger
The outlet in gas channel is connected to coal gas system；The entrance of the waste heat recycling aquaporin of electric furnace flue gas heat exchanger is low with one described first
The outlet of warm water tube, the outlet of waste heat recycling aquaporin and the entering for first high-temperature conduit of electric furnace flue gas heat exchanger
Mouth connection；
The entrance of the exhaust gases passes of converter gas heat exchanger and the low-temperature flue gas outlet of converter, the cigarette of converter gas heat exchanger
The outlet in gas channel is connected to coal gas system；The entrance of the waste heat recycling aquaporin of converter gas heat exchanger is low with one described first
The outlet of warm water tube, the outlet of waste heat recycling aquaporin and the entering for first high-temperature conduit of converter gas heat exchanger
Mouth connection.
9. discontinuous heat source hot water heat accumulation utilization system as described in claim 1, which is characterized in that the UTILIZATION OF VESIDUAL HEAT IN
Portion includes heat supply heat exchanger channels, and the outlet of the entrance and second high-temperature conduit of the heat supply heat exchanger channels connects
It is logical；The outlet of the heat supply heat exchanger channels is connected to the entrance of the second low temperature water pipe.
10. discontinuous heat source hot water heat accumulation utilization system as claimed in claim 9, which is characterized in that the heat supplies
It include heating station heat supply heat exchanger channels, water cooler heat supply heat exchanger channels and ORC electricity generation system heat to heat exchanger channels
Amount supply heat exchanger channels；
Heating station heat supplies the entrance of heat exchanger channels and the outlet of second high-temperature conduit, the heating station
The outlet of heat supply heat exchanger channels is connected to the entrance of the second low temperature water pipe；The water cooler heat supply heat exchange
The outlet of the entrance in channel and second high-temperature conduit, the outlet of water cooler heat supply heat exchanger channels with
The entrance of the one second low temperature water pipe is connected to；The entrance of ORC electricity generation system heat supply heat exchanger channels and one described the
The outlet of two high-temperature conduits, the outlet and second water at low temperature of the ORC electricity generation system heat supply heat exchanger channels
The entrance of pipe is connected to.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821271094.6U CN208671706U (en) | 2018-08-08 | 2018-08-08 | Intermittent heat source hot water heat storage comprehensive utilization system |
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|---|---|---|---|
| CN201821271094.6U CN208671706U (en) | 2018-08-08 | 2018-08-08 | Intermittent heat source hot water heat storage comprehensive utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917415A (en) * | 2018-08-08 | 2018-11-30 | 北京京诚科林环保科技有限公司 | Intermittent heat source hot water heat storage comprehensive utilization system |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108917415A (en) * | 2018-08-08 | 2018-11-30 | 北京京诚科林环保科技有限公司 | Intermittent heat source hot water heat storage comprehensive utilization system |
| CN108917415B (en) * | 2018-08-08 | 2024-03-19 | 北京京诚科林环保科技有限公司 | Intermittent heat source hot water heat storage comprehensive utilization system |
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