CN207778546U - Waste heat heat accumulation recovery system - Google Patents

Waste heat heat accumulation recovery system Download PDF

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Publication number
CN207778546U
CN207778546U CN201820056139.1U CN201820056139U CN207778546U CN 207778546 U CN207778546 U CN 207778546U CN 201820056139 U CN201820056139 U CN 201820056139U CN 207778546 U CN207778546 U CN 207778546U
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heat
regenerative apparatus
waste
heat exchanger
valve
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CN201820056139.1U
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王丽
雷勇
雷鹏飞
王晗
刘晓勇
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SUUNPOWER CO Ltd
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SUUNPOWER CO Ltd
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Abstract

The utility model provides a kind of waste heat heat accumulation recovery system, including:Waste material unit, heat storage units and heating unit.Waste material unit includes useless material discharge device and the useless material recycling device that is in fluid communication with useless material discharge device.Heat storage units include regenerative apparatus, regenerative apparatus can switch between heat accumulation state and heat release state, when regenerative apparatus is in heat accumulation state, heat storage units are in fluid communication with the waste material unit, regenerative apparatus absorbs and the thermal energy of storage of waste material, when regenerative apparatus is in heat release state, the stored thermal energy of regenerative apparatus release.When regenerative apparatus is in heat release state, heating unit is in fluid communication with heat storage units, to receive the thermal energy of heat storage units release.Waste heat heat accumulation recovery system according to the present utility model can realize that intermittent or continuity waste material thermal energy is recycled with highest rate, continuous-stable or intermittent heating according to need, the bidirectional balanced regulating measure in realization hot junction are realized when with heat.

Description

Waste heat heat accumulation recovery system
Technical field
The utility model is related to field of energy utilization, and specifically, the utility model is related to a kind of waste heat heat accumulation recovery systems.
Background technology
With energy-saving and emission-reduction in recent years, the New Measures such as cost efficiency, domestic Ferrous Metallurgy, nonferrous metallurgy, cement, stone The industries such as change, ceramics, chemical industry, glass have greatly developed energy conservation, are concentrated mainly on primary energy saving and secondary energy sources return It receives and two levels, primary energy consumption amount is utilized to gradually reduce, secondary energy sources yield steps up.
Previous energy conservation is concentrated mainly on the use of high-temperature energy-conservation technology, such as production equipment saving coal, Saving oil, saving is electric, save water, saving combustion gas, saves the relevant technologies such as steam and high-temperature residual heat recycling, overbottom pressure time Receive the residual heat and energies recovery technologies such as utilization, by-product gas recycling.The use of these technologies tends to obtain preferable effect Fruit makes the energy consumption of enterprise be substantially reduced, and obtains preferable economic benefit.
For the comprehensive energy saving of enterprise, the mainly consumption of comprehensive assessment primary energy, the recycling of secondary energy sources, Yi Jipai Put the heat energy utilization of exhaust gas waste heat, high temperature continuity heat source can by device mainly have burning boiler, waste heat boiler etc..This The use of a little measures plays positive effect for the energy consumption reduction of large size industrial enterprise, can also save energy to a certain extent The consumption in source.But still have a large amount of low temperature waste material, in a manner of exhaust gas or waste liquid, by slatterning in vain, and bring Serious thermal pollution.Especially large-scale and middle-size and small-size industrial enterprise is widely present the sewage or flue gas of intermittent, small flow Discharge etc., these sewage or flue gas never have good Land use systems.
In heating field, always based on steam heating and vapor heated concentration heat exchange station heat supply, at nearly 1 year, country Clean heating is promoted, takes a series of electricity for coal, gas for behaves such as coal, photo-thermal heating.But since operating cost is excessively high, throws Provide that cost is excessively high or the reasons such as technology is immature, there is no the double excellent modes of especially desirable Technological Economy by industrial exhaust heat knot It closes regenerative apparatus and is used as the personal heat of enterprise or the regulating measure of district heating for heating field.
Accordingly, it is desirable to provide a kind of waste heat heat accumulation recovery system to solve the above problems at least partly.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed Technical solution key feature and essential features, do not mean that more attempt determine technical solution claimed guarantor Protect range.
To solve the above problems at least partly, according to the utility model discloses a kind of waste heat heat accumulation recovery systems.Institute Stating waste heat heat accumulation recovery system includes:Waste material unit, heat storage units and heating unit.The waste material unit includes waste material Tapping equipment and the useless material recycling device being in fluid communication with the useless material discharge device, the useless material discharge device are used for Discharge waste material, the useless material recycling device is for recycling the waste material.The heat storage units include regenerative apparatus, described Regenerative apparatus can switch between heat accumulation state and heat release state, when the regenerative apparatus is in the heat accumulation state, institute Heat storage units to be stated with the waste material unit to be in fluid communication, the regenerative apparatus absorbs and stores the thermal energy of the waste material, when When the regenerative apparatus is in the heat release state, the stored thermal energy of the regenerative apparatus release.At the regenerative apparatus When the heat release state, the heating unit is in fluid communication with the heat storage units, to receive the heat storage units release Thermal energy.
Waste heat heat accumulation recovery system according to the present utility model can realize intermittent waste material or continuity waste material Thermal energy is recycled with highest rate, and continuous-stable or intermittent heating according to need are realized when with heat, is the thermal energy of intermittent waste material Recycling provides effective means, the bidirectional balanced regulating measure in realization hot junction.
Optionally, the regenerative apparatus includes heat-storing material and the fluid delivery tube that is set to inside the heat-storing material Road, the heat-storing material by the thermal energy storage of the fluid in the fluid-transporting tubing or can discharge the thermal energy of storage To the fluid in the conveyance conduit.
According to this programme, regenerative apparatus can realize the storage and release of thermal energy, so that between regenerative apparatus can be realized The storage of the thermal energy of having a rest property heat source or continuity heat source, and releasing for intermittence or continuity thermal energy can be achieved as desired by It puts.
Optionally, the waste material is waste liquid, when the regenerative apparatus is in the heat accumulation state, from the waste material The waste liquid of tapping equipment discharge flows into the regenerative apparatus and after the regenerative apparatus absorbs thermal energy cooling described in inflow Useless material recycling device.
According to this programme, the recycling of the thermal energy of waste material can be realized, the thermal energy of waste material is prevented to be wasted.
Optionally, the heat storage units further include First Heat Exchanger, when the regenerative apparatus is in the heat release state, The high temperature side of the First Heat Exchanger is in fluid communication with the regenerative apparatus to form first circulation circuit, and the first circulation is returned First circulation working medium is provided in the pipeline on road, the low temperature side of the First Heat Exchanger is in fluid communication with the heating unit.
According to this programme, when regenerative apparatus is in heat release state, First Heat Exchanger and regenerative apparatus form circulation loop, So that first circulation working medium can constantly absorb the thermal energy stored in regenerative apparatus, and thermal energy heat exchange is released to first and is followed Ring working medium enters First Heat Exchanger after the heat absorption heating of first circulation working medium, in First Heat Exchanger heat release enable heating medium Enough heatings of absorbing heat in First Heat Exchanger.
Optionally, the heating unit include be arranged the First Heat Exchanger downstream and with the First Heat Exchanger The buffer tank of low temperature fluid communication.
According to this programme, can will be temporarily stored in buffer tank by the heating medium of heating, to further realize interval Property or continuity heat supply.
Optionally, the heat storage units further include the pressurizer tank being arranged in the first circulation circuit, the pressurizer tank The pressure of the first circulation working medium in pipeline for stablizing the first circulation circuit.
According to this programme, when the hypertonia of first circulation working medium in first circulation circuit or it is too low when, pressurizer tank energy It is enough to realize upper water or moisturizing is carried out to first circulation circuit.
Optionally, it is provided with first between the regenerative apparatus and the useless material discharge device and the First Heat Exchanger Triple valve is provided with the second triple valve between the regenerative apparatus and the useless material recycling device and the First Heat Exchanger.
It can be preferably by the opening and closing of the valve to the first triple valve and the second triple valve according to this programme It controls fluid and enters or flow out regenerative apparatus, switched with realizing regenerative apparatus between heat accumulation state and heat release state.
Optionally, the waste material is exhaust gas, and the heat storage units further include the second heat exchanger, at the regenerative apparatus When the heat accumulation state, the high temperature side of second heat exchanger is in fluid communication with the waste material unit, second heat exchange The low temperature side of device and the regenerative apparatus are in fluid communication to form second circulation circuit, and the is provided in the second circulation circuit Two cycle fluids.
According to this programme, when regenerative apparatus is in heat accumulation state, be discharged from useless material discharge device with residual temperature Exhaust gas flows into the material recycling device that gives up after heat release cools down in the second heat exchanger.Second heat exchanger is recycled back to regenerative apparatus formation Road rises so that second circulation working medium can constantly absorb the thermal energy of exhaust gas released in the second heat exchanger by heat absorption After second circulation working medium after temperature enters regenerative apparatus, regenerative apparatus absorbs the heat of the second circulation working medium after heat absorption heats up Can, can realize the continuous storage of thermal energy.
Optionally, the heating unit includes being arranged in the buffer tank in the regenerative apparatus downstream and positioned at the accumulation of heat The heating medium source for supplying heating medium of device upstream, it is described when the regenerative apparatus is in the heat release state Heating medium flows into after the regenerative apparatus heats up via regenerative apparatus release thermal energy and flows into the buffer tank.
According to this programme, can will be temporarily stored in buffer tank by the heating medium of heating, it is continuous to further realize Property or intermittent heat supply.
Optionally, it is provided with third threeway between the regenerative apparatus and second heat exchanger and the buffer tank Valve is provided with the 4th triple valve between the regenerative apparatus and second heat exchanger and the heating medium source.
It can be preferably by the opening and closing of the valve to third triple valve and the 4th triple valve according to this programme It controls fluid and enters or flow out regenerative apparatus, switched with realizing regenerative apparatus between heat accumulation state and heat release state.
Description of the drawings
The following drawings of the utility model embodiment is used to understand this practicality in this as the part of the utility model It is novel.Embodiment shown in the drawings of the utility model and its description, for explaining the principles of the present invention.In attached drawing In,
Fig. 1 be according to the flow diagram of the waste heat heat accumulation recovery system of the first embodiment of the utility model, wherein Waste material is waste liquid, and regenerative apparatus is in heat accumulation state;
Fig. 2 is the flow diagram of the waste heat heat accumulation recovery system in Fig. 1, and wherein regenerative apparatus is in heat release state;
Fig. 3 be according to the flow diagram of the waste heat heat accumulation recovery system of the second embodiment of the utility model, wherein Waste material is exhaust gas, and regenerative apparatus is in heat accumulation state;And
Fig. 4 is the waste heat heat accumulation recovery system flow diagram in Fig. 3, and wherein regenerative apparatus is in heat release state.
Specific implementation mode
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model Solution.It will be apparent, however, to one skilled in the art that the utility model embodiment may not need one or more These a details and be carried out.In other examples, in order to avoid obscuring with the utility model embodiment, for Some technical characteristics well known in the art are not described.
In order to thoroughly understand the utility model embodiment, detailed structure will be proposed in following description.Obviously, originally The execution of utility model embodiment is not limited to the specific details that those skilled in the art is familiar with.
First embodiment
Figures 1 and 2 show that the schematic diagram of the waste heat heat accumulation recovery system 100 of the first embodiment of the utility model. In the present embodiment, waste heat heat accumulation recovery system 100 may include mainly waste material unit, heat storage units and heating unit. The waste heat heat accumulation recovery system 100 of the first embodiment of the utility model is described in detail below in conjunction with Fig. 1 and Fig. 2.
The waste material unit of waste heat heat accumulation recovery system 100 includes useless material discharge device 21 and useless material recycling device 22.Useless material discharge device 21 is used for discharge waste material.In general, these waste material all have waste heat.Useless material recycling device 22 For recycling above-mentioned waste material.Wherein, in the present embodiment, waste material can be waste liquid.
Useless material discharge device 21 and useless material recycling device 22 are in fluid communication.It should be noted that herein referred " connects It is logical " can directly be connected to, can also be indirect communication.The stream in one in two devices or unit that are in fluid communication with each other Body can enter another.
Specifically, in the present embodiment, giving up can be through pipe between material discharge device 21 and useless material recycling device 22 The direct fluid communications of road L1.Valve 23 can be provided on pipeline L1.Optionally, valve 23 can be motor-driven valve.Valve 23 It can selectively turn on or close.When valve 23 is opened, the material discharge device 21 that gives up is direct with useless material recycling device 22 It is in fluid communication, the waste liquid from useless material discharge device 21 can flow directly into useless material recycling device 22 via pipeline L1.It is useless Material discharge device 21 and useless material recycling device 22 can also be by the heat storage units that next will be described in detail indirectly It is in fluid communication.
Specifically, heat storage units include regenerative apparatus 31.Regenerative apparatus 31 can be in heat accumulation state (Fig. 1) and heat release state Switch between (Fig. 2).When regenerative apparatus 31 is in heat accumulation state, heat storage units are in fluid communication with waste material unit.Specifically, Heat storage units can be in fluid communication with the useless material discharge device 21 and useless material recycling device 22 of waste material unit so that store Thermal 31 can absorb and store the thermal energy for the waste material being discharged from useless material discharge device 21, and in regenerative apparatus 31 The waste material to cool down by heat release can flow into useless material recycling device 22.
When regenerative apparatus 31 is in heat release state, regenerative apparatus 31 can discharge stored thermal energy.Specifically, when When regenerative apparatus 31 is in heat release state, heat storage units and the heating unit that next will be described in detail are in fluid communication so that The thermal energy that the regenerative apparatus 31 of heat storage units is discharged can be absorbed by flowing through the heating medium of heating unit.
Specifically, in the present embodiment, regenerative apparatus 31 is the regenerative apparatus based on heat-storing material.Heat-storing material can Think such as solid heat storage material, mainly solid material is utilized to have the characteristics that good sensible heat heat storage capacity, and in accumulation of heat Material internal is provided with fluid-transporting tubing.High temperature refrigerant (such as waste material with waste heat) flows into the fluid of regenerative apparatus 31 To solid heat storage material exothermic when in conveyance conduit, heat-storing material by heat storage in regenerative apparatus 31, cryogenic fluid (such as Heating medium) flow into regenerative apparatus 31 fluid-transporting tubing when heat-storing material release heat for cryogenic fluid absorb heat.
Heat storage units further include First Heat Exchanger 32.First Heat Exchanger 32 and regenerative apparatus 31 are arranged in the first circuit C1 On.First Heat Exchanger 32 has two entrances valve and two outlet valves, respectively high temperature side inlet valve 321, high temperature side outlet valve 322, low temperature side inlet valve 323 and low temperature side outlet valve 324.High temperature side inlet valve 321 and the setting of high temperature side outlet valve 322 are the On primary Ioops C1.From high temperature side inlet valve 321 to the height for constituting First Heat Exchanger 32 pipeline of high temperature side outlet valve 322 Warm side.From low temperature side inlet valve 323 to the low temperature side for constituting First Heat Exchanger 32 pipeline of low temperature side outlet valve 324. When regenerative apparatus 31 is in heat release state, high temperature side and the regenerative apparatus 31 of First Heat Exchanger 32 are in fluid communication, the first heat exchange The low temperature side of device 32 is in fluid communication with heating unit.
Heat storage units further include the first triple valve 33.First triple valve 33 is located at regenerative apparatus 31 and useless material discharge device Between 21 and First Heat Exchanger 32 (specifically, the high temperature side inlet valve 321 of First Heat Exchanger 32).By the first triple valve 33, Regenerative apparatus 31 can be connected to useless material discharge device 21 or First Heat Exchanger 32.Specifically, when regenerative apparatus 31 is in storage When Warm status, regenerative apparatus 31 is in fluid communication by the first triple valve 33 with useless material discharge device 21;At regenerative apparatus 31 When heat release state, regenerative apparatus 31 is in fluid communication by the first triple valve 33 with useless material discharge device 21.
Optionally, it gives up and is also provided with valve 34 and measuring device between material discharge device 21 and regenerative apparatus 31 35.Optionally, valve 34 can be motor-driven valve.Measuring device 35 is arranged in the downstream of valve 34, for measuring from valve 34 The flow of the waste liquid of outflow.Measuring device 35 and valve 34 can be arranged in the upstream of the first triple valve 33, i.e. the first threeway Between valve 33 and useless material discharge device 21.
Heat storage units can also include the first adjusting valve group 36, and first, which adjusts valve group 36, is arranged on the first circuit C1 simultaneously position Between the first triple valve 33 and regenerative apparatus 31.Specifically, first adjust valve group 36 include regulating valve 361, preceding valve 362, after Valve 363 and bypass valve 364.Preceding valve 362 and rear valve 363 can be shut-off valve.Under normal circumstances, when waste liquid needs to flow through first When adjusting valve group 36, regulating valve 361, preceding valve 362 and rear valve 363 are in the open state, what bypass valve 364 was closed, Waste liquid flows successively through preceding valve 362, regulating valve 361 and rear valve 363.When regulating valve 361 occurs leakage or blocks, can close Preceding valve 362 and rear valve 363 open bypass valve 364, and waste liquid can be flowed out by bypass valve 364 at this time.
Heat storage units can also include the second triple valve 37, and the second triple valve 37 is located at regenerative apparatus 31 and useless material recycle Between device 22 and First Heat Exchanger 32 (specifically, the high temperature side outlet valve 322 of First Heat Exchanger 32).Pass through the second triple valve 37, regenerative apparatus 31 can be in fluid communication with useless material recycling device 22 or First Heat Exchanger 32.Specifically, when regenerative apparatus 31 When in heat accumulation state, regenerative apparatus 31 is in fluid communication by the second triple valve 37 with useless material recycling device 22;When accumulation of heat fills When setting 31 in heat release state, regenerative apparatus 31 is in fluid communication by the second triple valve 37 with First Heat Exchanger 32.
As shown in Fig. 2, heat storage units can also include the pump 38 and pressurizer tank 39 being arranged in the first circuit C1.It is excellent to pump 38 Selection of land is arranged between the second triple valve 37 and First Heat Exchanger 32.When regenerative apparatus 31 is in heat release state, pump 38 can be with For pumping liquid to regenerative apparatus 31.Pressurizer tank 39 is preferably provided between pump 38 and First Heat Exchanger 32.Pressurizer tank 39 The pressure that liquid in the first circuit C1 can be stablized, with when hypertonia in the pipeline of the first circuit C1 or it is too low when, in realization Water carries out moisturizing to the pipeline in the first circuit C1.
It should be noted that useless material discharge device 21 and useless material recycling device 22 can also pass through First Heat Exchanger 32 High temperature fluid communication.The material discharge device 21 that gives up can directly be flowed with the high temperature side inlet valve 321 of First Heat Exchanger 32 Body is connected to, and giving up material recycling device 22 can be with 322 in direct fluid communication of high temperature side outlet valve of First Heat Exchanger 32.Work as accumulation of heat When device 31 breaks down, the waste material that useless material discharge device 21 discharges can directly carry out hot friendship in First Heat Exchanger 32 It changes after releasing energy and flows into useless material recycling device 22.Certainly, in this case, even if in 31 normal work of regenerative apparatus Make and regenerative apparatus 31 is when be in heat accumulation state, the waste stream being discharged from useless material discharge device 21 is through valve 34 and measurement After device 35, fraction waste material can also flow into measuring device 35 and First Heat Exchanger 32 high temperature side inlet valve 321 it Between pipeline in, and First Heat Exchanger 32 is flowed into the high temperature side inlet valve 321 of First Heat Exchanger 32 is opened in a state that High temperature side and as the cycle fluid in the first circuit C1.
As described above, when regenerative apparatus 31 is in heat release state, heating unit is in fluid communication with heat storage units, to connect Store up the thermal energy of hot cell release.Specifically, as described above, in the present embodiment, heating unit can be with the first heat exchange The low temperature fluid communication of device 32.
Heating unit may include being located at (specifically, the low temperature side inlet valve of First Heat Exchanger 32 of First Heat Exchanger 32 323) the heating medium source 41 and second of upstream adjusts valve group 42.Heating medium source 41 is located at second and adjusts the upper of valve group 42 Trip.Heating medium source 41 is for supplying heating medium, and heating medium is usually domestic water, and the temperature of domestic water can be substantially At 15 ° or so.
Preferably measuring device 43, measuring device 43 are additionally provided between heating medium source 41 and second adjusts valve group 42 For measuring the flow for flowing into the heating medium that second adjusts valve group 42.Second adjusts the structure that valve group 42 and first adjusts valve group 36 It makes roughly the same with function, is no longer described in detail here.
Heating unit can also include positioned at the buffer tank 44 in 32 downstream of First Heat Exchanger and under buffer tank 44 The transport device 48 of trip.When regenerative apparatus 31 is in heat release state, buffer tank 44 can connect with 32 fluid of First Heat Exchanger It is logical.Specifically, buffer tank 44 can with the low temperature fluid communication of First Heat Exchanger 32 so that heating medium can be first It absorbs heat and heats up in heat exchanger 32.
Heating unit can also include pump 45.Pump 45 can be arranged between buffer tank 44 and transport device 48.Pump 45 Upstream and downstream can also be respectively arranged with valve 46 and valve 47.Valve 46 can be shut-off valve.Valve 47 can be electricity Dynamic valve.
The course of work of the waste heat heat accumulation recovery system 100 of present embodiment will be described in detail below.Waste heat The course of work of heat accumulation recovery system 100 includes mainly the heat accumulation process of regenerative apparatus 31 or the exothermic process of regenerative apparatus 31.
With reference to figure 1, the arrow in Fig. 1 shows waste heat heat accumulation recovery system 100 when regenerative apparatus 31 is in heat accumulation state In fluid flow direction.When regenerative apparatus 31 is in heat accumulation state, the height of valve 23 and First Heat Exchanger 32 on pipeline L1 Warm side entrance valve 321 is closed.First triple valve 33 is in the shape for making useless material discharge device 21 be in fluid communication with regenerative apparatus 31 State.Second triple valve 37 is in the state for making regenerative apparatus 31 be in fluid communication with useless material recycling device 22.Therefore, from waste material Most of waste stream is through 33 He of the first triple valve after the waste liquid that tapping equipment 21 is discharged passes through valve 34 and measuring device 35 First adjusts valve group 36 enters regenerative apparatus 31 later, and the heat accumulating in regenerative apparatus 31 absorbs the thermal energy of waste material, waste The material recycling device 22 that gives up is flowed into after flowing through the second triple valve 37 after material cooling.
With reference to figure 2, the arrow in Fig. 2 shows waste heat heat accumulation recovery system 100 when regenerative apparatus 31 is in heat release state In fluid flow direction.When regenerative apparatus 31 is in heat release state, valve 34 is closed, the first triple valve 33 and Two triple valves 37 are in the state for the high temperature fluid communication for making regenerative apparatus 31 and First Heat Exchanger 32, i.e. First Heat Exchanger 32 high temperature side and regenerative apparatus 31 is in fluid communication in the first circuit C1 to form first circulation circuit.In first circulation circuit In can be provided with first circulation working medium, first circulation working medium can be water or under heat accumulation state flow into valve as described above The waste material in pipeline between door 34 and the high temperature side inlet valve 321 of First Heat Exchanger 32.The low temperature side of First Heat Exchanger 32 It can be in fluid communication with heating unit.
Specifically, on the one hand, the first circulation working medium in first circulation circuit passes through the second threeway under the action of pumping 38 After valve 37 enters the thermal energy heating that regenerative apparatus 31 absorbs the release of regenerative apparatus 31, the first adjusting valve group 36 and the one or three is passed through The high temperature side for flowing into First Heat Exchanger 32 after port valve 33 via the high temperature side inlet valve 321 of First Heat Exchanger 32, through heat exchange After cooling regenerative apparatus is again flowed into through high temperature side outlet valve 322, pump 38 and the second triple valve 37 by First Heat Exchanger 32 The thermal energy that heat absorption and heat storage apparatus 31 is discharged in 31 so recycles.On the other hand, the heating medium stream that heating medium source 41 is supplied The low temperature side that valve group 42 flows into First Heat Exchanger 32 via the low temperature side inlet valve 323 of First Heat Exchanger 32 later is adjusted through second Heat exchange heating is carried out, buffer tank 44 then can be flowed into via the low temperature side outlet valve 324 of First Heat Exchanger 32 to be temporarily stored in In buffer tank 44.The temperature of heating medium after heat exchange heats up can reach 85~90 DEG C, when needing heat supply by valve Door 46 and 47 is opened, and under the action of pumping 45, the heating medium in buffer tank 44 by heating can be transported to transport dress Set 48.
It should be noted that when 21 intermittent discharge waste material of useless material discharge device, regenerative apparatus 31 can be intermittently The energy of storage of waste material.When useless 21 continuous discharge waste material of material discharge device, by adjusting the valve 23 on pipeline L1 It can allow the thermal energy of the continuously or intermittently storage of waste material of regenerative apparatus 31 with valve 34.In addition, passing through regulation pipe Valve 23 on the L1 of road and valve 34 can also utilize regenerative apparatus 31 while useless 21 discharge waste material of material discharge device Stored thermal energy.Specifically, when needing to utilize the thermal energy stored by regenerative apparatus 31, the valve on pipeline L1 can be opened 23 and close valve 34 so that the waste material that useless material discharge device 21 is discharged directly can flow into waste material via pipeline L1 In retracting device 22.
Waste heat heat accumulation recovery system 100 according to the present embodiment can realize the heat of intermittent waste liquid or continuity waste liquid It can be recycled with highest rate, continuous-stable or intermittent heating according to need are realized when with heat, be that the thermal energy of intermittent waste liquid recycles Provide effective means, the bidirectional balanced regulating measure in realization hot junction.
Second embodiment
Fig. 3 and Fig. 4 shows the schematic diagram of the waste heat heat accumulation recovery system 200 of the second embodiment of the utility model. In the present embodiment, waste heat heat accumulation recovery system 200 equally may include waste material unit, heat storage units and heating unit.
Waste material unit equally includes useless material discharge device 221 and useless material recycling device 222.Useless material discharge device 221 and useless material recycling device 222 be in fluid communication.Unlike first embodiment, give up what material discharge device 221 discharged Waste material is exhaust gas.
Heat storage units equally include regenerative apparatus 231.Regenerative apparatus 231 can be cut between heat accumulation state and heat release state It changes.When regenerative apparatus 231 is in heat accumulation state, heat storage units are in fluid communication with waste material unit so that 231 energy of regenerative apparatus The enough thermal energy for absorbing and storing the waste material being discharged from useless material discharge device 221.Specifically, in the present embodiment, heat accumulation The second heat exchanger 51 and the waste material unit of unit are in fluid communication, this will be described below.When regenerative apparatus 231 is in When heat release state, regenerative apparatus 231 can discharge stored thermal energy.Specifically, when regenerative apparatus 231 is in heat release state When, heat storage units and the heating unit that next will be described in detail are in fluid communication so that flow through the heating medium of heating unit The thermal energy stored by the regenerative apparatus 231 of heat storage units can be absorbed.As shown in Figure 3 and Figure 4, heat storage units include the second heat exchange Device 51.When regenerative apparatus 231 is in heat accumulation state, the second heat exchanger 51 and waste material unit fluid communication.Specifically, second Heat exchanger 51 has two entrances valve and two outlet valves, respectively high temperature side inlet valve 511, high temperature side outlet valve 512, low temperature Side entrance valve 513 and low temperature side outlet valve 514.Wherein, from high temperature side inlet valve 511 to the pipeline of high temperature side outlet valve 512 it Between constitute the high temperature side of the second heat exchanger 51.It is constituted from low temperature side inlet valve 513 to the pipeline of low temperature side outlet valve 514 The low temperature side of second heat exchanger 51.
When regenerative apparatus 231 is in heat accumulation state, the high temperature fluid communication of waste material unit and the second heat exchanger 51. Specifically, the high temperature side inlet valve 511 of 221 and second heat exchanger 51 of useless material discharge device is in fluid communication.Useless material recycle dress 222 are set to be connected to the high temperature side outlet valve 512 of the second heat exchanger 51.
When regenerative apparatus 231 is in heat accumulation state, the low temperature side liquid of regenerative apparatus 231 and the second heat exchanger 51 connects It is logical.Specifically, regenerative apparatus 231 and the second heat exchanger 51 are arranged on second servo loop C2, the both ends of regenerative apparatus 231 respectively with The low temperature side outlet valve 514 and low temperature side inlet valve 513 of second heat exchanger 51 are in fluid communication.It is provided with second in second servo loop C2 Cycle fluid.When regenerative apparatus 231 is in heat accumulation state, second circulation working medium can flow in second servo loop C2, with shape At second circulation circuit.
In the present embodiment, there are two regenerative apparatus 231 in parallel for setting.Two accumulation of heat dresses can be realized as needed It sets 231 to work at the same time, or only there are one regenerative apparatus 231 to work, and another regenerative apparatus 231 is filled as spare accumulation of heat It sets.Skilled person will appreciate that the quantity of regenerative apparatus 231 is not limited to present embodiment, can be set according to actual needs The quantity of regenerative apparatus 231.
Heating unit includes buffer tank 71.Third triple valve 61, third triple valve 61 are provided on second servo loop C2 It is arranged in regenerative apparatus 231 and the second heat exchanger 51 (specifically, the low temperature side outlet valve 514 of the second heat exchanger 51) and buffered water Between case 71.By third triple valve 61, regenerative apparatus 231 can be connected to the second heat exchanger 51 or buffer tank 71.Specifically Ground, when regenerative apparatus 231 is in heat accumulation state, regenerative apparatus 231 passes through 51 fluid of third triple valve 61 and the second heat exchanger Connection;When regenerative apparatus 231 is in heat release state, regenerative apparatus 231 passes through third triple valve 61 and useless material discharge device 221 are in fluid communication.
Heat storage units further include being arranged on second servo loop C2 and between third triple valve 61 and regenerative apparatus 231 Third adjusts valve group 62.The quantity that third adjusts valve group 62 is corresponding with the quantity of regenerative apparatus 231, i.e., third adjusts valve group 62 Quantity is also two, to be connected on two regenerative apparatus 231, to adjust separately two regenerative apparatus 231.Third tune It is identical with the structure and function of the first adjusting valve group 36 to save valve group 62, is no longer described in detail here.
Heat storage units further include being arranged on second servo loop C2 and positioned at the low temperature of regenerative apparatus 231 and the second heat exchanger 51 Valve 63 between side entrance valve 513.The quantity of valve 63 is similarly two, to be connected on two regenerative apparatus 231, To adjust separately the flow for entering the second heat exchanger 51 from two regenerative apparatus 231.
As shown in figure 4, heating unit may include positioned at the heating medium source 72 of the upstream of regenerative apparatus 231.Work as accumulation of heat When device 231 is in heat release state, regenerative apparatus 231 is in fluid communication with heating medium source 72.Heating medium source 72 is used for storage Thermal 231 supplies heating medium, and heating medium is usually domestic water, and the temperature of domestic water can be with substantially 15 ° or so.
Heat storage units can also include the 4th triple valve 64 being arranged on second servo loop on C2 and pump 65.4th triple valve 64 are arranged between regenerative apparatus 231 and the second heat exchanger 51 and heating medium source 72.4th triple valve 64 is likewise provided as two A, pump 65 is arranged between two the 4th triple valves 64.By the 4th triple valve 64, regenerative apparatus 231 can be with the second heat exchange Device 51 or heating medium source 72 are in fluid communication.Specifically, when regenerative apparatus 231 is in heat accumulation state, regenerative apparatus 231 passes through 4th triple valve 64 and the second heat exchanger 51 are in fluid communication;When regenerative apparatus 231 is in heat release state, regenerative apparatus 231 is logical The 4th triple valve 64 is crossed with heating medium source 72 to be in fluid communication.
Heating unit can also include the transport device 76 positioned at 71 downstream of buffer tank.Buffer tank 71 and transport device Pump 73 is also provided between 76.It can also be respectively arranged with valve 74 and valve 75 in the upstream and downstream of pump 73.Valve 74 can be shut-off valve, and valve 75 can be motor-driven valve.
The course of work of the waste heat heat accumulation recovery system 200 of present embodiment will be described in detail below.
With reference to figure 3, the arrow in Fig. 3 shows waste heat heat accumulation recovery system 200 when regenerative apparatus 231 is in heat accumulation state In fluid flow direction.When regenerative apparatus 231 is in heat accumulation state, high temperature side and the waste material list flow filament of the second heat exchanger 51 Body is connected to;Third triple valve 61, which is in, makes the low temperature side outlet valve 514 of regenerative apparatus 231 and the second heat exchanger 51 fluid communication State;4th triple valve 64 is in the state for making the low temperature side inlet valve 513 of regenerative apparatus and the second heat exchanger 51 be in fluid communication. I.e. the low temperature side of the second heat exchanger 51 is in fluid communication in second servo loop C2 to form second circulation circuit with regenerative apparatus 231.
Therefore, from the exhaust gas with residual temperature of the discharge of useless material discharge device 221 via the high temperature side of the second heat exchanger 51 After inlet valve 511 flows into the heat exchange cooling of the second heat exchanger 51, waste is flowed into via the high temperature side outlet valve 512 of the second heat exchanger 51 Expect retracting device 22.Second circulation working medium in second servo loop C2 can come from heating medium source 72.Second circulation working medium into It is stored after entering the low temperature side heat exchange heating of the second heat exchanger 51 by entering via third adjusting valve group 62 after third triple valve 61 Thermal 231.Heat accumulating in regenerative apparatus 231 can absorb the thermal energy of the second circulation working medium by heating, and should Thermal energy storage is in regenerative apparatus 231, and second circulation working medium is in regenerative apparatus 231 successively via 63 He of valve after heat release cooling 4th triple valve 64 again flows into the second heat exchanger 51 and carries out heat exchange heating again, sequentially forms circulation loop.
Arrow in Fig. 4 shows the stream in the waste heat heat accumulation recovery system 200 when regenerative apparatus 231 is in heat release state The flow direction of body.When regenerative apparatus 231 is in heat release state, third triple valve 61, which is in, makes regenerative apparatus 231 and buffer tank 71 states being in fluid communication, the 4th triple valve 64 are in the state for making regenerative apparatus 231 be in fluid communication with heating medium source 72.This When, the heating medium from heating medium source 72, which flows into regenerative apparatus 231 to absorb after regenerative apparatus 231 discharges thermal energy heating, to flow Enter buffer tank 71.
Specifically, under the action of pumping 73, after heating medium that heating medium source 72 is supplied flows through the 4th triple valve 64 Entering regenerative apparatus 231 via valve 63, the temperature of the heat accumulating in regenerative apparatus 231 is higher than the temperature of heating medium, because This regenerative apparatus 231 discharges thermal energy to heating medium, and heating medium adjusts valve group after heating in regenerative apparatus 231 by third 62 and third triple valve 61 flow into buffer tank 71, to be temporarily stored in buffer tank 71.Heating medium after heat exchange heats up Temperature can reach 85~90 DEG C.Valve 74 and 75 is opened when needing heat supply, under the action of pumping 73, buffer tank 71 The interior heating medium by heating can be transported to transport device 76.
Heat supply and heat exchange device 90 in Fig. 4 is original heating system.Heat supply and heat exchange device 90 can also be into transport device 76 Convey heat source.Original heating system and the waste heat heat accumulation recovery system of the utility model can be each other as the spare systems of other side System, to further realize continuous heat supply or be interrupted the function of heat supply.
Waste heat heat accumulation recovery system according to the present utility model, can be controlled according to actual conditions, by waste material Thermal energy is stored or is discharged as needed.For example, the continuous small flow waste material discharged in industrial production can be utilized It is continuously stored, and can after a period of time has passed, can be at times discharge the thermal energy of storage is few with product Cheng Duo.The thermal energy that the waste material of intermittent discharge can also be collected at times, carry out it is centrally stored, then as needed can be with Realize continuous heat supply.
The waste heat heat accumulation recovery system of the utility model, energy loss of the regenerative apparatus in heat accumulation and exothermic process are less than 15%.The recycling that waste material waste heat can be realized by the waste heat heat accumulation recovery system of the utility model, will be originally used for heat supply Heat source can be used for other purposes, realize one-in-and-one-out economic benefits and social benefits benefit.
Unless otherwise defined, the technology of technical and scientific term used herein and the technical field of the utility model The normally understood meaning of personnel is identical.Term used herein is intended merely to describe specifically to implement purpose, it is not intended that limit The utility model processed.Terms such as herein presented " settings " can both indicate that a component was attached directly to another portion Part can also indicate that a component is attached to another component by middleware.It describes in one embodiment herein Feature can be applied to another embodiment in combination individually or with other feature, unless this feature is in another implementation It is not suitable for or is otherwise noted in mode.
The utility model is illustrated by the above embodiment, but it is to be understood that, the above embodiment It is only intended to the purpose illustrated and illustrated, and is not intended to limit the invention within the scope of described embodiment.This Field technology personnel it is understood that introduction according to the present utility model can also make more kinds of variants and modifications, this A little variants and modifications are all fallen within the utility model range claimed.

Claims (10)

1. a kind of waste heat heat accumulation recovery system, which is characterized in that the waste heat heat accumulation recovery system includes:
Waste material unit, the waste material unit include useless material discharge device and are in fluid communication with the useless material discharge device Useless material recycling device, the useless material discharge device is used for discharge waste material, and the useless material recycling device is for recycling The waste material;
Heat storage units, the heat storage units include regenerative apparatus, the regenerative apparatus can heat accumulation state and heat release state it Between switch, when the regenerative apparatus is in the heat accumulation state, the heat storage units and the waste material unit are in fluid communication, The regenerative apparatus absorbs and stores the thermal energy of the waste material, described when the regenerative apparatus is in the heat release state The stored thermal energy of regenerative apparatus release;And
Heating unit, when the regenerative apparatus is in the heat release state, the heating unit and the heat storage units fluid Connection, to receive the thermal energy of the heat storage units release.
2. waste heat heat accumulation recovery system according to claim 1, which is characterized in that the regenerative apparatus includes heat-storing material With the fluid-transporting tubing being set to inside the heat-storing material, the heat-storing material can will be in the fluid-transporting tubing The thermal energy storage of fluid or the fluid that the thermal energy of storage can be released in the conveyance conduit.
3. waste heat heat accumulation recovery system according to claim 1, which is characterized in that the waste material is waste liquid, when described When regenerative apparatus is in the heat accumulation state, the waste liquid discharged from the useless material discharge device flows into the regenerative apparatus And flow into the useless material recycling device after the regenerative apparatus absorbs thermal energy cooling.
4. waste heat heat accumulation recovery system according to claim 3, which is characterized in that the heat storage units further include first changing Hot device, when the regenerative apparatus is in the heat release state, the high temperature side of the First Heat Exchanger and the regenerative apparatus stream Body is connected to form first circulation circuit, is provided with first circulation working medium in the pipeline in the first circulation circuit, and described first The low temperature side of heat exchanger is in fluid communication with the heating unit.
5. waste heat heat accumulation recovery system according to claim 4, which is characterized in that the heating unit includes being arranged in institute State First Heat Exchanger downstream and with the buffer tank of the low temperature fluid communication of the First Heat Exchanger.
6. waste heat heat accumulation recovery system according to claim 4, which is characterized in that the heat storage units further include that setting exists Pressurizer tank in the first circulation circuit, what the pressurizer tank was used to stablize in the pipeline in the first circulation circuit first follows The pressure of ring working medium.
7. waste heat heat accumulation recovery system according to claim 4, which is characterized in that the regenerative apparatus and the waste material The first triple valve, the regenerative apparatus and the useless material recycling device are provided between tapping equipment and the First Heat Exchanger The second triple valve is provided between the First Heat Exchanger.
8. waste heat heat accumulation recovery system according to claim 1, which is characterized in that the waste material is exhaust gas, the storage Hot cell further includes the second heat exchanger, when the regenerative apparatus is in the heat accumulation state, the high temperature of second heat exchanger Side is in fluid communication with the waste material unit, and low temperature side and the regenerative apparatus of second heat exchanger are in fluid communication to be formed Second circulation circuit is provided with second circulation working medium in the second circulation circuit.
9. waste heat heat accumulation recovery system according to claim 8, which is characterized in that the heating unit includes being arranged in institute The buffer tank in regenerative apparatus downstream and the heating medium source for supplying heating medium positioned at the regenerative apparatus upstream are stated, When the regenerative apparatus is in the heat release state, the heating medium flows into the regenerative apparatus via the regenerative apparatus The buffer tank is flowed into after release thermal energy heating.
10. waste heat heat accumulation recovery system according to claim 9, which is characterized in that the regenerative apparatus and described second Third triple valve, the regenerative apparatus and second heat exchanger and the confession are provided between heat exchanger and the buffer tank The 4th triple valve is provided between thermal medium source.
CN201820056139.1U 2018-01-12 2018-01-12 Waste heat heat accumulation recovery system Active CN207778546U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036383A (en) * 2018-01-12 2018-05-15 思安新能源股份有限公司 Waste heat heat accumulation recovery system
CN111351103A (en) * 2020-03-18 2020-06-30 济南东盛热电有限公司 Direct-supply and indirect-supply switchable heating system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036383A (en) * 2018-01-12 2018-05-15 思安新能源股份有限公司 Waste heat heat accumulation recovery system
CN111351103A (en) * 2020-03-18 2020-06-30 济南东盛热电有限公司 Direct-supply and indirect-supply switchable heating system
CN111351103B (en) * 2020-03-18 2021-07-20 济南东盛热电有限公司 Direct-supply and indirect-supply switchable heating system

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