CN206398828U - Based on mixing sensible heat solid material accumulation of heat from thermal power plant unit - Google Patents
Based on mixing sensible heat solid material accumulation of heat from thermal power plant unit Download PDFInfo
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- CN206398828U CN206398828U CN201621329238.XU CN201621329238U CN206398828U CN 206398828 U CN206398828 U CN 206398828U CN 201621329238 U CN201621329238 U CN 201621329238U CN 206398828 U CN206398828 U CN 206398828U
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- heat
- regenerative apparatus
- accumulation
- circulating fan
- mixing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Wind Motors (AREA)
Abstract
The utility model discloses it is a kind of based on mixing sensible heat solid material accumulation of heat from thermal power plant unit, unit is up-down structure accumulation of heat unit, including regenerative apparatus, switch board, heat exchanger（7）, circulating fan（4）And circulating pump（8）.There is heat exchanger below regenerative apparatus（7）, circulating pump（8）And circulating fan（4）；Heat storage is provided with device, heat storage has the hot-air channel through whole heat storage；Regenerative apparatus bottom is provided with air inlet and air outlet；The high temperature air channel for being provided with the cryogenic wind-tunnel 3 connected with air inlet below device and being connected with air outlet（6）, regenerative apparatus connects frequency conversion circulating fan by cryogenic wind-tunnel, connects heat-exchanger rig by high temperature air channel, the ready-made water circulation system of end heating equipment is connected to by circulating pump, and heat-exchanger rig is connected with circulating fan, circulating fan and circulating pump connection switch board.Its advantage：Accumulation of heat, energy storage density are high；Personalized temperature control, automaticity is high；System thermal efficiency is high, and operation safety, improvement cost is low.
Description
Technical field
The present invention relates to a kind of family based on mixing sensible heat solid material accumulation of heat with monomer it is middle-size and small-size from thermal power plant unit and its
Control method, belongs to regenerative resource, environmental protection and energy saving, heating field.
Background technology
The today developed rapidly in social economy, the life of people is become better and better, but while development, our resources
Constraint is becoming tight, and environmental pollution is serious, and all kinds of environmental problems have a strong impact on health of people and life, people for pure and fresh air,
Clean drinking-water, the hope of graceful environment is more and more stronger.For a good environment, nowadays people are more directed to newly
The research and application of the energy, to reduce coal, the destruction to environment such as oil, increasing new product occurs.Winter now
Most of heating is all to provide heating by coal is burnt, and this is serious burden to environment.
The content of the invention
Goal of the invention：It is middle-size and small-size from heat supply machine with monomer that invention provides a kind of family based on mixing sensible heat solid material accumulation of heat
Group and its control method.
Technical scheme：Invention is achieved through the following technical solutions：
The present invention provide a kind of family based on mixing sensible heat solid material accumulation of heat with monomer it is middle-size and small-size from thermal power plant unit and its
Control method, it carries out accumulation of heat using trough-electricity, heat release when needed, and to solve the problems, such as heat supply, the present invention is applied to 300-
Confession thermal region under 5000 square metres.
The present invention is made up of accumulation of heat structure, the circulatory system, the part of control system three.Segment by regenerative apparatus, control
Cabinet processed, heat exchanger, circulating fan and water circulation system etc. are constituted.Invention is up-down structure accumulation of heat unit, regenerative apparatus
It is placed in metal frame, heat exchanger -7, circulating pump -8, circulating fan -4 has been disposed below.Fig. 1 supplements the accumulation of heat for leaving gap
Body -2, air stream -1, gas passage -5.
Unit control system mainly includes data collecting system, protection system, the part of execution system three.System control process
It is divided into：Heat storage, heat control, heat release, heat conveying Four processes.The distribution of heating element heater multiple spot is embedded in accumulation of heat
In body, the heat of generation is stored in heat storage by thermal element to be added after starting；The high temperature heat stored in heat storage passes through
Circulating fan, according to the temperature requirements of setting, by the outside release of air channel circulation, blower fan is driven by stepless frequency control motor；
By air-water heat exchanger, the heat exchange of circulated air and load cycle water is realized, Flow-rate adjustment is carried out by load water pump, hot water is carried
It is supplied in end-equipment（Such as fan coil, radiator or domestic hot-water）.
The present invention using it is advanced mixing high-temperature heat accumulation material and Intelligent time-sharing section accumulation of heat, exothermic process control there is provided
Efficiently, the heat supply running pattern of energy-conservation.
Particularly advantage of the invention is as follows：
1) the heat-storing material function admirable of selection of the invention, can be achieved up to 500kWh/m3 thermal storage density.High density
Heat-storing material is the mixing sensible heat material of high density magnesia and silicon nitride, and air channel interior circulation uses all steel structure, efficiently
Spiral shell-and-tube heat exchanger uses stainless steel material, and accumulation of heat structure takes close-coupled " recessed " formula structure, and overall performance is stable, tool
There are high temperature resistant, durable, long lifespan feature.
2) high energy storage density, takes heat on demand, and personalized temperature control, system thermal efficiency is high, and floor space is small.Close-coupled heat storage
Structure, energy storage density is high, and volume is the 1/10 of normal pressure storage tank boiler；Heater element surface load is high, radiant heat transfer efficiency high；
Insulation material is high-tech nanometer technology, and heat leakage rate is low；Personalized temperature control method takes heat on demand, and system overall thermal efficiency is up to 95%
More than.
3) install convenient, operation safety, high to boiler room adaptability, improvement cost is low.Product module formula is installed, and scene is applied
Work is convenient.It can be designed and be laid out according to boiler room particular/special requirement size, original boiler room interface mode is not changed and is carried out.Fortune
Row safety, no discharge, noise, without inflammable and explosive danger.
4) automaticity is high, equipment networking operation, optimal control, intelligent O＆M in the large data sets of backstage.
Product utilization night cheap electric power, by heating element heater heating heat-storing material, automatic storage heat, daytime, circulation was handed over
Mutually discharge heat.It can be run with electrically direct-heating unified boiler, data pass through network remote storage, intelligent predicting and diagnosis.By rear
Platform big data is analyzed, and fault diagnosis simultaneously assesses energy consumption and utilizes level.The transmission of O＆M information is carried out by the network platform.Lifting clothes
Business value and O＆M level.
）Fire coal is substituted, and reduces haze, promotes regenerative resource to dissolve, stable power network.Solid electric heat-storage device is sharp by night
The form for being converted into heat energy with less electric energy is stored, and heat release heating is carried out during daytime peak of power consumption, is substituted former
There is straight-heating boiler, noxious gas emission will be efficiently reduced, alleviate haze.And effectively improve paddy electricity and dissolve, alleviate network load,
Distributed rationally grid power resource, significant role is played to stabilization of power grids economical operation.
Brief description of the drawings：
Fig. 1：Heat storage body structure figure；
Fig. 2：The local control system composition of thermal power plant unit and Internet architecture mode；
Fig. 3：Run main program control block diagram；
Fig. 4：Heat release control block diagram；
Fig. 5:Accumulation of heat control block diagram.
Embodiment：
As shown in figure 1, the present invention provides a kind of family middle-size and small-size confession of monomer based on mixing sensible heat solid material accumulation of heat
Heat engine group, should be up-down structure accumulation of heat unit from thermal power plant unit, including regenerative apparatus, switch board, heat exchanger, circulating fan and follow
Ring pump；Regenerative apparatus is placed in metal frame, and heat exchanger -7, circulating pump -8 and circulating fan -4 have been disposed below in regenerative apparatus,
Heat storage is provided with regenerative apparatus, heat storage has the passage through whole heat storage, as hot-air channel, places add in addition
Heated filament and temperature sensor, air inlet and air outlet are provided with regenerative apparatus bottom；In the lower section of regenerative apparatus, be provided with
The cryogenic wind-tunnel -3 of air inlet connection and high temperature air channel -6 connected with air outlet, regenerative apparatus connect frequency conversion by cryogenic wind-tunnel
Circulating fan, regenerative apparatus connects heat-exchanger rig by high temperature air channel -6, and heat-exchanger rig is connected to end by circulating pump -8 and used
The hot ready-made water circulation system of equipment, heat-exchanger rig is also connected with circulating fan, circulating fan and circulating pump connection switch board.
Heat exchanger -7 is air-water heat exchanger, and part and the high temperature air channel and frequency conversion circulating fan of the gas of air-water heat exchanger connect
Connect, the part of the water of air-water heat exchanger is connected to end heating equipment by circulating pump.
There is insulation crust outside regenerative apparatus.
Heat storage is made up of high density heat-storing material, and the high density heat-storing material is the mixed of high density magnesia and silicon nitride
Sensible heat material is closed, air channel interior circulation uses all steel structure, and the shell of heat storage uses high-efficient spiral type shell, the efficient spiral shell
Rotating shell-and-tube heat exchanger uses stainless steel material, and accumulation of heat structure takes close-coupled " recessed " formula structure.
The present invention is illustrated below：
First, mechanical part（Implicit thermal structure and the circulatory system）
Accumulation of heat structure includes：Internal heat storage, the insulation of heat storage bottom, outer layer have inner protective layer and outer protection successively
Layer, heat storage has the passage through whole heat storage, and as hot-air channel, heater strip and temperature sensor are placed in addition,
Bottom is provided with air inlet and air outlet.In the lower section of regenerative apparatus, cryogenic wind-tunnel and high temperature air channel are provided with, is had absolutely in outside
Edge shell, regenerative apparatus by cryogenic wind-tunnel connect frequency conversion fan, by frequency conversion fan drive low temperature it is distinguished and admirable enter heat storage in, pass through
High temperature air channel connects heat exchanger.As shown in Figure 1.
Heat-storing material is using mixing sensible heat heat-storing material.It has a higher thermal conductivity factor and specific heat capacity, and thermal coefficient of expansion
Very little, thermal shock resistance is excellent.The heat of thermal source is delivered to rapidly heat storage everywhere after heating, the heat of storage is more.
2nd, electric control system（Containing local control system and upper layer data high in the clouds）
Local control system mainly includes data collecting system, protection system, the part of execution system three.System control process
It is divided into：Heat storage, heat control, heat release, heat conveying Four processes.The distribution of heating element heater multiple spot is embedded in accumulation of heat
In body, the heat of generation is stored in heat storage by thermal element to be added after starting；The high temperature heat stored in heat storage passes through
Circulating fan, according to the temperature requirements of setting, by the outside release of air channel circulation, blower fan is driven by stepless frequency control motor；
By air-water heat exchanger, the heat exchange of circulated air and load cycle water is realized, Flow-rate adjustment is carried out by load water pump, hot water is carried
It is supplied in end-equipment（Such as fan coil, radiator or domestic hot-water）.As shown in Figure 2.
System CPU is using 32 ARM microprocessor parallel processing techniques, using real-time RTOS operating systems, display unit
Using configuration screen, data upper layer transport is transferred to high in the clouds using GPRS/WIFI modes by public network.Conveniently realize accumulation of heat unit,
Control is coordinated in the distributed cascade of directly-heated unit or other combustion gas powering devices, and high efficiency meets terminal user's heating demands.Base
Heating target temperature closed-loop control is carried out in heat supply water temperature or oil temperature return difference, return water temperature, leaving water temperature Three models, according to visitor
Family is selected or ambient temperature assesses heat consumption and carries out target temperature setting, and realization takes heat on demand.As shown in Figure 3.
Upper layer data high in the clouds, also known as " distributed interconnection+wisdom heating energy management system ", are heating interconnection webmasters
The core component of reason system, collecting device layer energy consumption data, ambient parameter data, equipment operational factor, economy
There is provided the data processing based on regulatory requirement, calculating analysis, diagrammatic representation, safe early warning for the various data messages such as indication information
And intelligent control, it is supplied to all levels of management personnel to use by good human-computer interaction interface.
PID self-correcting exothermic process frequency conversion fans rotating speed control based on least square method recursive parameter estimation.System is put
Thermal process can be set to backwater temperature difference, return water temperature, three kinds of situations of leaving water temperature, simultaneously according to the difference of control targe pattern
The upper limit in view of exporting wind-warm syndrome, carries out the calculating of offset temperature, and the increment type PID closed loop control of frequency conversion fan is carried out according to deviation
System.Because the flow of heat exchange power and recirculated water and wind, temperature, density have substantial connection, with stronger time-varying and non-
Linear character, using the identification that relation function is carried out based on least square method, so as to carry out pid parameter estimation and correction.To repair
The speed control and heat exchange power size of positive PID frequency conversion fans.As shown in Figure 4.
The operation logic control predicted based on neutral net ANN amount of stored heat under multi-mode at times.Transported according to thermal power plant unit
Line discipline, performs the accumulation of heat of paddy electricity period, peak, the economical operation requirement of usually section heat release are used based on the different peak Pinggu in each department
The electric period, carry out accumulation of heat, heat release, put the judgements of three operation phase when storing.Simultaneously according to ambient weather temperature, the day of accumulation
Amount of stored heat learning curve carries out the prediction of amount of stored heat, based on ANN Learning Rule for Neural prediction day amount of stored heat.Using 3-8-1
Neural network structure, based on history data carry out neutral net training.To realize estimating for next day amount of stored heat, reach
Profound Energy Saving Control effect.As shown in Figure 5.
The present invention can replace conventional boiler to be used for warming with good.Solve and warm oneself the pollution to environment simultaneously
And the problem of also solve national power structure, corresponding national peak load shifting policy.Made full use of, carried by power network valley power
High electric power effective supply, alleviates network load, is distributed rationally grid power resource, help to maintain the peace of power network
Entirely, it is stable, economical operation.
For the various technologies of electric heat-storage heating, according to the difference of heat-storing material used, respectively there is feature.Using conventional water
Accumulation of heat floor space is big, using the fused salt accumulation of heat of photo-thermal power generation, there is life-span and low-temperature solid crystallisation problems, and this invention is selected
Solid heat storage material compared with the former two, with high regenerator temperature, high heat-retaining capacity density, while having excellent heat conduction energy
Power, anti-thermal shock, the advantages of service life is long.The popularization that invention can make electricity warm oneself is greatly improved, economical and practical, is had
Huge potential prospect.
Claims (5)
1. it is a kind of based on mixing sensible heat solid material accumulation of heat from thermal power plant unit, it is characterised in that：Above and below should being from thermal power plant unit
Structure accumulation of heat unit, including regenerative apparatus, switch board, heat exchanger (7), circulating fan (4) and circulating pump (8)；Regenerative apparatus is put
Put in metal frame, regenerative apparatus has been disposed below in heat exchanger (7), circulating pump (8) and circulating fan (4), regenerative apparatus and set
Be equipped with heat storage, heat storage has the passage through whole heat storage, as hot-air channel, be provided with regenerative apparatus bottom into
Air port and air outlet；In the lower section of regenerative apparatus, it is provided with the cryogenic wind-tunnel (3) connected with air inlet and is connected with air outlet
High temperature air channel (6), regenerative apparatus connects frequency conversion circulating fan (4) by cryogenic wind-tunnel (3), and regenerative apparatus passes through high temperature air channel
(6) heat-exchanger rig is connected, heat-exchanger rig is connected to the ready-made water circulation system of end heating equipment, heat exchange dress by circulating pump (8)
Put and be also connected with circulating fan, circulating fan (4) and circulating pump (8) connection switch board.
2. it is according to claim 1 it is a kind of based on mixing sensible heat solid material accumulation of heat from thermal power plant unit, it is characterised in that：
Heater strip and temperature sensor, temperature sensor connection switch board are placed in heat storage.
3. it is according to claim 1 it is a kind of based on mixing sensible heat solid material accumulation of heat from thermal power plant unit, it is characterised in that：
Heat exchanger is air-water heat exchanger, and the part of the gas of air-water heat exchanger is connected with high temperature air channel and frequency conversion circulating fan, air water heat exchange
The part of the water of device is connected to end heating equipment by circulating pump.
4. it is according to claim 1 it is a kind of based on mixing sensible heat solid material accumulation of heat from thermal power plant unit, it is characterised in that：
There is insulation crust outside regenerative apparatus.
5. it is according to claim 1 it is a kind of based on mixing sensible heat solid material accumulation of heat from thermal power plant unit, it is characterised in that：
Heat storage is made up of high density heat-storing material, and the high density heat-storing material is the mixing of existing high density magnesia and silicon nitride
Sensible heat material, the shell of heat storage uses high-efficient spiral type shell, and the high-efficient spiral type shell-and-tube heat exchanger (7) uses stainless steel
Material, accumulation of heat structure takes close-coupled " recessed " formula structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329238.XU CN206398828U (en) | 2016-12-06 | 2016-12-06 | Based on mixing sensible heat solid material accumulation of heat from thermal power plant unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329238.XU CN206398828U (en) | 2016-12-06 | 2016-12-06 | Based on mixing sensible heat solid material accumulation of heat from thermal power plant unit |
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| Publication Number | Publication Date |
|---|---|
| CN206398828U true CN206398828U (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329238.XU Expired - Fee Related CN206398828U (en) | 2016-12-06 | 2016-12-06 | Based on mixing sensible heat solid material accumulation of heat from thermal power plant unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462098A (en) * | 2017-09-07 | 2017-12-12 | 江苏中科智储科技有限公司 | One kind is variable to flow to formula solid heat storage device |
| CN109114664A (en) * | 2018-08-22 | 2019-01-01 | 能拓能源股份有限公司 | A kind of big data accumulation of heat heating control method and system based on autonomous learning |
| CN110296535A (en) * | 2019-07-22 | 2019-10-01 | 西安合和节能技术有限公司 | A kind of solid gas heat exchange ventilation device of solid heat collecting system |
| CN114993085A (en) * | 2022-05-25 | 2022-09-02 | 西安交通大学 | Solid heat storage energy storage circulating device |
-
2016
- 2016-12-06 CN CN201621329238.XU patent/CN206398828U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462098A (en) * | 2017-09-07 | 2017-12-12 | 江苏中科智储科技有限公司 | One kind is variable to flow to formula solid heat storage device |
| CN109114664A (en) * | 2018-08-22 | 2019-01-01 | 能拓能源股份有限公司 | A kind of big data accumulation of heat heating control method and system based on autonomous learning |
| CN110296535A (en) * | 2019-07-22 | 2019-10-01 | 西安合和节能技术有限公司 | A kind of solid gas heat exchange ventilation device of solid heat collecting system |
| CN114993085A (en) * | 2022-05-25 | 2022-09-02 | 西安交通大学 | Solid heat storage energy storage circulating device |
| CN114993085B (en) * | 2022-05-25 | 2023-08-08 | 西安交通大学 | Solid heat accumulation energy storage circulating device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20181206 |