CN208332643U - A kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system - Google Patents
A kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system Download PDFInfo
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- CN208332643U CN208332643U CN201820911462.2U CN201820911462U CN208332643U CN 208332643 U CN208332643 U CN 208332643U CN 201820911462 U CN201820911462 U CN 201820911462U CN 208332643 U CN208332643 U CN 208332643U
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Abstract
The utility model is a kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system, including lag cooler, it include waste residue heat exchanger channels and cooling medium heat exchanger tube in the lag cooler, the entrance of waste residue heat exchanger channels can be connected to the waste residue outlet of fluid bed heat homogeneous solution-type reactor, the system further includes cooling water water pump, the entrance of cooling water water pump can be connected to by first connecting portion with heat supply network water return pipeline, the outlet of cooling water water pump can be connected to the entrance of cooling medium heat exchanger tube, the outlet of cooling medium heat exchanger tube can be connected to by second connecting portion with heat supply network water return pipeline, second connecting portion is located at the downstream position of first connecting portion, pumps for hot water supply net is set on the heat supply network water return pipeline in second connecting portion downstream, the outlet of heat supply network water return pipeline is connected to setting with the pipe inlet of fluid bed heat homogeneous solution-type reactor.The system uses cooling medium of the heat supply network return water as lag cooler, alleviates scale problems in lag cooler, guarantees the continuous operation of equipment, improve waste heat recovery efficiency.
Description
Technical field
The present invention relates to municipal Heat Supply Engineering field more particularly to a kind of fluid bed heat homogeneous solution-type reactor waste residue heat recovery
System.
Background technique
For fluid-bed boiler slagging temperature usually at 800 DEG C or so, direct emission both will increase security risk, will also result in heat
The waste of amount and the reduction of economic benefit, therefore in industrial processes, the red slag of boiler discharge need to be cooled to by lag cooler
80 DEG C or so are just transported outward.
Initially, more common lag cooler cooling medium is recirculated water (General low temperature cold water) in engineering practice.It is cooling
It when passing through lag cooler with recirculated water, exchanges heat with the red slag of boiler in lag cooler, red slag is cooling, and the temperature of recirculated water increases
(about increasing 10 DEG C), the recirculated water after heating is sent to be cooled down into cooling tower, and the heat carried out from waste residue is scattered to greatly
In gas, recirculated water after cooling is then pumped into lag cooler by circulation, so in cycles.
Cooling medium using recirculated water (General low temperature cold water) as lag cooler, the hardness of recirculated water is higher, lag cooler
It is easy fouling inside heat exchanger tube, makes heat transfer deterioration, leads to the reduction of lag cooler cooling effect, influences the continuous operation of equipment, it cannot
It works normally.Therefore, the dirty removing processings such as pickling, while circulating water for cooling need to periodically be carried out using the lag cooler of the cooling medium
Heat exchange heating forms high temperature circulation water, is sent in cooling tower and carries out heat exchange cooling down with atmosphere, leads to the circulation of high temperature
The heat that water carries directly scatters and disappears in an atmosphere, so that waste heat is not used in waste residue, the thermal efficiency of system is reduced, and makes
At energy waste.
Currently, the lag cooler of the fluidized-bed combustion boiler of large power plant is cooling to be situated between to reduce the influence of the higher recirculated water of hardness
Matter uses the lower condensed water of hardness, soft water or demineralized water as cooling medium, and the cooling medium after heating, which is sent to, to be removed
In oxygen device or low-pressure heater.This method can not only alleviate the problem of lag cooler fouling to a certain extent, but also recycle liter
The heat carried in cooling water after temperature, but the applicability of this method be limited only in therrmodynamic system containing thermal deaerator or
The facilities such as low-pressure heater, in municipal Heat Supply Engineering, boiler only provides hot water in heating plant, does not generate steam, removes at this time
Oxygen device selection thermal deaerator is simultaneously improper, and in this case, also and not comprising gland heater, low pressure in therrmodynamic system
Heater etc., this method for simple heat supply, do not use the hot-water boiler of steam oxygen-eliminating device not have applicability.
The present inventor based on years of experience and practice in relevant industries, proposes a kind of fluid bed heat homogeneous solution-type reactor as a result,
Waste residue waste heat recycling system, to overcome the deficiencies of existing technologies.
Summary of the invention
The purpose of the present invention is to provide a kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling systems, overcome existing skill
The problems such as cooling medium that cooling effect is poor, hardness is low caused by cooling medium with high hardness present in art is using limitation, should
Fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system uses cooling medium of the heat supply network return water as lag cooler, alleviates lag cooler
Interior scale problems guarantee the continuous operation of equipment, improve waste heat recovery efficiency.
The object of the present invention is achieved like this, a kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system, including
Lag cooler, the interior lag cooler includes waste residue heat exchanger channels and cooling medium heat exchanger tube, the entrance energy of the waste residue heat exchanger channels
It is connected to the waste residue outlet of fluid bed heat homogeneous solution-type reactor, the fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system includes cooling
The entrance of water water pump, the cooling water water pump can be connected to by first connecting portion with heat supply network water return pipeline, the cooling water water pump
Outlet can be connected to the entrance of the cooling medium heat exchanger tube, the outlet of the cooling medium heat exchanger tube can pass through the second connection
Portion is connected to heat supply network water return pipeline, and the second connecting portion is located at the downstream position of the first connecting portion, is located at described second
Pumps for hot water supply net, the outlet of the heat supply network water return pipeline and the fluid bed heat are set on the heat supply network water return pipeline in interconnecting piece downstream
The pipe inlet of homogeneous solution-type reactor is connected to setting.
In a preferred embodiment of the present invention, connection setting heat supply network moisturizing pipeline, institute on the heat supply network water return pipeline
The entrance for stating cooling water water pump can also be connected to by pipeline valve with the heat supply network moisturizing pipeline.
In a preferred embodiment of the present invention, the heat supply network moisturizing pipeline includes the first moisturizing branch and the second moisturizing
Branch, the first moisturizing branch can be connected to setting, the cooling water with the heat supply network water return pipeline by first branch valve
The entrance of water pump can be connected to by second branch valve with the second moisturizing branch.
In a preferred embodiment of the present invention, the fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system also wraps
Indirect heat exchanger is included, setting indirect heat exchange working medium heat exchanger channels and heat supply network return water heat exchanger channels in the indirect heat exchanger are described
The outlet of the entrance of heat supply network return water heat exchanger channels and the cooling water water pump, the outlet energy of the heat supply network return water heat exchanger channels
It is connected to by the second connecting portion with heat supply network water return pipeline；The outlet and the cooling of the indirect heat exchange working medium heat exchanger channels
The entrance of media for heat exchange pipe is connected to, the outlet of the cooling medium heat exchanger tube and the entrance of the indirect heat exchange working medium heat exchanger channels
Connection.
In a preferred embodiment of the present invention, the interior setting of the indirect heat exchange working medium heat exchanger channels can circulate
Indirect heat exchange working medium, the thermal coefficient of the indirect heat exchange working medium are higher than the thermal coefficient of heat supply network return water.
In a preferred embodiment of the present invention, the cooling medium heat exchanger tube includes low-temperature zone heat exchanger tube and high temperature section
Heat exchanger tube, the high temperature section heat exchanger tube are arranged close to the entrance of the waste residue heat exchanger channels, and the low-temperature zone heat exchanger tube is far from institute
State the entrance setting of waste residue heat exchanger channels, the entrance of the high temperature section heat exchanger tube by the first heat supply network return water Zhi Liuguan with it is described cold
But the outlet of the outlet of water water pump, the high temperature section heat exchanger tube is connect by the first heat supply network return water return pipe with described second
The entrance of portion's connection, the low-temperature zone heat exchanger tube is connected by the outlet of the second heat supply network return water Zhi Liuguan and the cooling water water pump
Logical, the outlet of the low-temperature zone heat exchanger tube is connected to by the second heat supply network return water return pipe with the second connecting portion.
From the above mentioned, fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system provided by the invention has following beneficial to effect
Fruit:
(1) in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, the entrance of cooling medium heat exchanger tube
It is connected to heat supply network water return pipeline, heat supply network return water hardness is low, can effectively alleviate the internal duct of lag cooler as cooling medium
Scale problems, be conducive to the continuous operation of equipment, improve waste heat recovery efficiency；Heat supply network return water and the heat exchange of high temperature waste residue,
Realize the thermal energy recycling of high temperature waste residue, and the heat exchange heating of heat supply network return water returns to heat supply network water return pipeline, improves fluidized bed hot water
The inflow temperature of boiler, reduces the fuel consumption of fluid bed heat homogeneous solution-type reactor, to reach the mesh for promoting whole economic efficiency
's；
(2) in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, heat supply network moisturizing and heat supply network return water are mixed
Cooperation is the cooling medium in lag cooler, effectively alleviates the scale problems of the internal duct of lag cooler；Heat supply network moisturizing pipeline point
Two local road designs are not stopped to realize in fluid bed heat homogeneous solution-type reactor by the connected state of each branch of branch road valve switching control
Lag cooler is overhauled under conditions of furnace, is conducive to the stability of city planting ductwork；
(3) in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, indirect heat exchange form can be used
Waste heat recycling is carried out, high, good heat-transfer heat-exchange working medium absorbs the waste residue in lag cooler as heat carrier using thermal coefficient
Waste heat, then to heat supply network return water carry out heat release heat exchange, indirect heat exchange working medium realize energy transmission, promoted waste heat recovery efficiency；
It (4), can be using the shape of classification heat exchange in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention
Formula carries out waste heat recycling, and heat supply network return water divides temperature section to recycle the residual temperature heat of waste residue, reduces low temperature in lag cooler
The temperature of Duan Huanre intraductal heat exchange heat supply network return water, increases the temperature difference of waste residue Yu heat supply network return water, improves heat exchange efficiency.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1: for the schematic diagram of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention.
Fig. 2: the schematic diagram of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system when for present invention moisturizing containing heat supply network.
Fig. 3: the schematic diagram of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system when for indirect heat exchange of the present invention.
Fig. 4: the schematic diagram of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system when exchanging heat for present invention classification.
In figure:
100, fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system；
1, lag cooler；
11, waste residue heat exchanger channels；
12, cooling medium heat exchanger tube；121, low-temperature zone heat exchanger tube；122, high temperature section heat exchanger tube；
2, fluid bed heat homogeneous solution-type reactor；21, waste residue outlet；
3, cooling water water pump；
4, heat supply network water return pipeline；
41, first connecting portion；42, second connecting portion；
5, pumps for hot water supply net；
61, the first moisturizing branch；611, first branch valve；
62, the second moisturizing branch；621, second branch valve；
7, indirect heat exchanger；
71, indirect heat exchange working medium heat exchanger channels；72, heat supply network return water heat exchanger channels；73, working medium circulating pump；
81, the first heat supply network return water Zhi Liuguan；82, the second heat supply network return water Zhi Liuguan；
91, the first heat supply network return water return pipe；92, the second heat supply network return water return pipe.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
As shown in Figure 1, the present invention provides a kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system 100, including cold
Slag machine 1, includes waste residue heat exchanger channels 11 and cooling medium heat exchanger tube 12 in lag cooler 1, and the entrances of waste residue heat exchanger channels 11 can be with
The waste residue outlet 21 of fluid bed heat homogeneous solution-type reactor 2 is connected to, and fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system 100 further includes cold
But the entrance of water water pump 3, cooling water water pump 3 can be connected to by first connecting portion 41 with heat supply network water return pipeline 4, cooling water water pump 3
Outlet can be connected to the entrance of cooling medium heat exchanger tube 12, the outlet of cooling medium heat exchanger tube 12 can pass through second connecting portion 42
It is connected to heat supply network water return pipeline 4, second connecting portion 42 is located at the downstream position of first connecting portion 41, is located at second connecting portion downstream
Heat supply network water return pipeline on be arranged pumps for hot water supply net 5, the outlet of heat supply network water return pipeline 4 and the water pipe of fluid bed heat homogeneous solution-type reactor 2 enter
Mouth connection setting.
When fluid bed heat homogeneous solution-type reactor 2 and lag cooler 1 work normally, high temperature waste residue by fluid bed heat homogeneous solution-type reactor 2 waste residue
Outlet 21 is discharged into the waste residue heat exchanger channels 11 of lag cooler 1, the heat supply network return water of the low temperature released at this time by cooling water water pump 3 into
Enter cooling medium heat exchanger tube 12, heat supply network return water and the heat exchange of high temperature waste residue, fully absorbs heat supply network return water after the heat of high temperature waste residue
It heats up and heat supply network water return pipeline 4 is returned to by second connecting portion, heat supply network return water under the action of pumps for hot water supply net 5, after heating
Into the water pipe of fluid bed heat homogeneous solution-type reactor 2, fluid bed heat homogeneous solution-type reactor 2 is heated to design supply water temperature to it and is sent into heat supply network water supplying pipe
It heats in road (prior art).Waste residue after cooling is then discharged by lag cooler 1, is sent by conveying equipment (prior art) to cinder field
It is stored.
In fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, the entrance and heat of cooling medium heat exchanger tube
The connection of net water return pipeline, heat supply network return water hardness is low, can effectively alleviate the knot of the internal duct of lag cooler as cooling medium
Dirty problem is conducive to the continuous operation of equipment, improves waste heat recovery efficiency；Heat supply network return water and the heat exchange of high temperature waste residue are realized
The thermal energy of high temperature waste residue recycles, and the heat exchange heating of heat supply network return water returns to heat supply network water return pipeline, improves fluid bed heat homogeneous solution-type reactor
Inflow temperature, reduce the fuel consumption of fluid bed heat homogeneous solution-type reactor, thus achieve the purpose that promoted whole economic efficiency.
Further, as shown in Fig. 2, connection setting heat supply network moisturizing pipeline, cooling water water pump 3 enter on heat supply network water return pipeline 4
Mouth can also be connected to by pipeline valve with heat supply network moisturizing pipeline.Heat supply network moisturizing hardness is low, is mixed with heat supply network return water as cold slag
Cooling medium in machine 1 effectively alleviates the scale problems of the internal duct of lag cooler 1.In the present embodiment, heat supply network moisturizing
Pipeline includes the first moisturizing branch 61 and the second moisturizing branch 62, the first moisturizing branch 61 can by first branch valve 611 and
The connection setting of heat supply network water return pipeline 4, the entrance of cooling water water pump 3 can pass through second branch valve 621 and the second moisturizing branch 62
Connection.
When fluid bed heat homogeneous solution-type reactor 2 and lag cooler 1 work normally, high temperature waste residue by fluid bed heat homogeneous solution-type reactor 2 waste residue
Outlet 21 is discharged into the waste residue heat exchanger channels 11 of lag cooler 1, and the second moisturizing branch 62 is connected to the entrance of cooling water water pump 3, the
One moisturizing branch 61 disconnects, the heat supply network return water that the heat supply network moisturizing of low temperature is released through the second moisturizing branch 62 with cooling water water pump 3
Mixing, heat supply network return water temperature lower, and mixed cooling water enters cooling medium heat exchanger tube 12, heat supply network return water and high temperature waste residue
Heat exchange, heat supply network return water heats up and returns to heat supply network water return pipeline 4 by second connecting portion after fully absorbing the heat of high temperature waste residue,
Under the action of pumps for hot water supply net 5, the heat supply network return water after heating enters the water pipe of fluid bed heat homogeneous solution-type reactor 2, fluid bed heat kettle
Furnace 2 is heated to design supply water temperature feeding heat supply network water supply line (prior art) to it and heats.Waste residue after cooling then by
Lag cooler 1 is discharged, and is sent by conveying equipment (prior art) to cinder field and is stored.
When lag cooler 1 is unable to operate normally due to failure, the waste residue that fluid bed heat homogeneous solution-type reactor generates does not enter lag cooler 1
And directly transported by conveying equipment, at this point, the second moisturizing branch 62 disconnects, stop cooling water water pump 3, the moisturizing of low temperature is through first
Moisturizing branch 61 is directly entered heat supply network water return pipeline 4, and is sent by pumps for hot water supply net 5 to fluid bed heat kettle together with heat supply network return water
It is heated in furnace.
Heat supply network moisturizing pipeline bifurcates design, passes through 621 switching control of first branch valve 611 and second branch valve
The connected state of each branch overhauls lag cooler under conditions of fluid bed heat 2 not blowing out of homogeneous solution-type reactor to realize, favorably
In the stability of city planting ductwork.Heat supply network moisturizing pipeline can also be set to entering for cooling water water pump 3 according to traditional pressurization methods
Near mouthful.
Further, fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system 100 can be carried out using indirect heat exchange form
Waste heat recycling.As shown in figure 3, fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system 100 includes indirect heat exchange in which
Device 7, the interior setting indirect heat exchange working medium heat exchanger channels 71 of indirect heat exchanger 7 and heat supply network return water heat exchanger channels 72, the heat exchange of heat supply network return water
The entrance in channel 72 and the outlet of cooling water water pump 3, the outlet of heat supply network return water heat exchanger channels 72 can pass through second connecting portion
It is connected to heat supply network water return pipeline 4；The outlet of indirect heat exchange working medium heat exchanger channels 71 is changed by working medium circulating pump 73 with cooling medium
The entrance of heat pipe 12 is connected to, and the outlet of cooling medium heat exchanger tube 12 is connected to the entrance of indirect heat exchange working medium heat exchanger channels 71.?
In present embodiment, the indirect heat exchange working medium (such as conduction oil) that setting can circulate in indirect heat exchange working medium heat exchanger channels 71,
The thermal coefficient of indirect heat exchange working medium is higher than the thermal coefficient of heat supply network return water.When carrying out waste heat recycling using indirect heat exchange form,
The entrance of cooling water water pump 3 in system can also be connected to by pipeline valve with heat supply network moisturizing pipeline, and heat supply network moisturizing pipeline is set
It sets as previously described.
When fluid bed heat homogeneous solution-type reactor 2 and lag cooler 1 work normally, high temperature waste residue by fluid bed heat homogeneous solution-type reactor 2 waste residue
Outlet 21 is discharged into the waste residue heat exchanger channels 11 of lag cooler 1, and heat supply network return water flows into heat supply network return water heat exchanger channels 72, indirect heat exchange work
Mass flow enters cooling medium heat exchanger tube 12 and the heat exchange of high temperature waste residue, after the heat for fully absorbing high temperature waste residue, indirect heat exchange working medium
It heats up and flows back to indirect heat exchange working medium heat exchanger channels 71, the indirect heat exchange working medium after heating and heat supply network return water carry out heat exchange, rise
Heat supply network return water after temperature enters the water pipe of fluid bed heat homogeneous solution-type reactor 2, and fluid bed heat homogeneous solution-type reactor 2 is heated to design supply water temperature to it
Heat supply network water supply line (prior art) is sent into heat.Waste residue after cooling is then discharged by lag cooler 1, (existing by conveying equipment
Have technology) it send to cinder field and is stored.
Fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system 100 carries out waste heat recycling, benefit using indirect heat exchange form
It uses the heat-exchange working medium of thermal coefficient height, good heat-transfer as heat carrier, the waste heat of the waste residue in lag cooler is absorbed, then to heat
Net return water carries out heat release heat exchange, and indirect heat exchange working medium realizes energy transmission, promotes waste heat recovery efficiency.
Further, fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system 100 can also be using the form of classification heat exchange
Carry out waste heat recycling.As shown in figure 4, cooling medium heat exchanger tube 12 includes that low-temperature zone heat exchanger tube 121 and high temperature section are changed in which
Heat pipe 122 (the waste residue temperature of the inlet of waste residue heat exchanger channels 11 is higher than the waste residue temperature in the exit of waste residue heat exchanger channels 11,
High temperature and low temperature herein is relative temperature), high temperature section heat exchanger tube 122 is arranged close to the entrance of waste residue heat exchanger channels 11, low temperature
Section heat exchanger tube 121 is arranged far from the entrance of waste residue heat exchanger channels 11, and the entrance of high temperature section heat exchanger tube 122 passes through the first heat supply network return water
The outlet of the outlet of Zhi Liuguan 81 and cooling water water pump 3, high temperature section heat exchanger tube 122 passes through the first heat supply network return water return pipe 91
It is connected to second connecting portion, the entrance of low-temperature zone heat exchanger tube 121 passes through the second heat supply network return water Zhi Liuguan 82 and cooling water water pump 3
The outlet of outlet, low-temperature zone heat exchanger tube 121 is connected to by the second heat supply network return water return pipe 92 with second connecting portion.Using point
When grade heat transfer form carries out waste heat recycling, the entrance of the cooling water water pump 3 in system can also pass through pipeline valve and heat supply network moisturizing
Pipeline connection, the setting of heat supply network moisturizing pipeline are as previously described.
When fluid bed heat homogeneous solution-type reactor 2 and lag cooler 1 work normally, high temperature waste residue by fluid bed heat homogeneous solution-type reactor 2 waste residue
Outlet 21 is discharged into the waste residue heat exchanger channels 11 of lag cooler 1, and a part of heat supply network return water, which passes through, passes through cooling water water pump 3 and the first heat supply network
Return water Zhi Liuguan 81 flows into high temperature section heat exchanger tube 122, and a part of heat supply network return water, which passes through, passes through cooling water water pump 3 and the second heat supply network return water
Zhi Liuguan 82 flows into low-temperature zone heat exchanger tube 121, and heat supply network return water divides temperature section to recycle the residual temperature heat of waste residue, after heating
Heat supply network return water return to heat supply network water return pipeline through the first heat supply network return water return pipe 91 and the second heat supply network return water return pipe 92, enter back into
The water pipe of fluid bed heat homogeneous solution-type reactor 2, fluid bed heat homogeneous solution-type reactor 2 are heated to design supply water temperature to it and are sent into heat supply network water supply line
(prior art) heats.Waste residue after cooling is then discharged by lag cooler 1, by conveying equipment (prior art) send to cinder field into
Row storage.
Heat supply network return water divides temperature section to recycle the residual temperature heat of waste residue, reduces low-temperature zone in lag cooler 1 and exchanges heat
The heat exchange temperature of heat supply network return water, increases the temperature difference of waste residue Yu heat supply network return water, improves heat exchange efficiency in pipe 121.
From the above mentioned, fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system provided by the invention has following beneficial to effect
Fruit:
(1) in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, the entrance of cooling medium heat exchanger tube
It is connected to heat supply network water return pipeline, heat supply network return water hardness is low, can effectively alleviate the internal duct of lag cooler as cooling medium
Scale problems, be conducive to the continuous operation of equipment, improve waste heat recovery efficiency；Heat supply network return water and the heat exchange of high temperature waste residue,
Realize the thermal energy recycling of high temperature waste residue, and the heat exchange heating of heat supply network return water returns to heat supply network water return pipeline, improves fluidized bed hot water
The inflow temperature of boiler, reduces the fuel consumption of fluid bed heat homogeneous solution-type reactor, to reach the mesh for promoting whole economic efficiency
's；
(2) in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, heat supply network moisturizing and heat supply network return water are mixed
Cooperation is the cooling medium in lag cooler, effectively alleviates the scale problems of the internal duct of lag cooler；Heat supply network moisturizing pipeline point
Two local road designs are not stopped to realize in fluid bed heat homogeneous solution-type reactor by the connected state of each branch of branch road valve switching control
Lag cooler is overhauled under conditions of furnace, is conducive to the stability of city planting ductwork；
(3) in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention, indirect heat exchange form can be used
Waste heat recycling is carried out, high, good heat-transfer heat-exchange working medium absorbs the waste residue in lag cooler as heat carrier using thermal coefficient
Waste heat, then to heat supply network return water carry out heat release heat exchange, indirect heat exchange working medium realize energy transmission, promoted waste heat recovery efficiency；
It (4), can be using the shape of classification heat exchange in fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system of the invention
Formula carries out waste heat recycling, and heat supply network return water divides temperature section to recycle the residual temperature heat of waste residue, reduces low temperature in lag cooler
The temperature of Duan Huanre intraductal heat exchange heat supply network return water, increases the temperature difference of waste residue Yu heat supply network return water, improves heat exchange efficiency.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (6)
1. a kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system, including lag cooler, the interior lag cooler includes waste residue
The entrance of heat exchanger channels and cooling medium heat exchanger tube, the waste residue heat exchanger channels can connect with the waste residue outlet of fluid bed heat homogeneous solution-type reactor
It is logical, which is characterized in that the fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system includes cooling water water pump, the cooling water
The entrance of water pump can be connected to by first connecting portion with heat supply network water return pipeline, and the outlet of the cooling water water pump can be with the cooling
The entrance of media for heat exchange pipe is connected to, and the outlet of the cooling medium heat exchanger tube can be connected by second connecting portion and heat supply network water return pipeline
Logical, the second connecting portion is located at the downstream position of the first connecting portion, and the heat supply network positioned at the second connecting portion downstream returns
Pumps for hot water supply net is set on waterpipe, and the outlet of the heat supply network water return pipeline connects with the pipe inlet of the fluid bed heat homogeneous solution-type reactor
Logical setting.
2. fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system as described in claim 1, which is characterized in that the heat supply network
Connection setting heat supply network moisturizing pipeline, the entrance of the cooling water water pump can also pass through pipeline valve and the heat supply network on water return pipeline
Moisturizing pipeline connection.
3. fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system as claimed in claim 2, which is characterized in that the heat supply network
Moisturizing pipeline includes the first moisturizing branch and the second moisturizing branch, and the first moisturizing branch can pass through first branch valve and institute
The connection setting of heat supply network water return pipeline is stated, the entrance of the cooling water water pump can pass through second branch valve and the second moisturizing branch
Road connection.
4. fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system as described in claim 1, which is characterized in that the fluidisation
Bed hot-water boiler waste residue waste heat recycling system further includes indirect heat exchanger, and indirect heat exchange work is arranged in the indirect heat exchanger
Matter heat exchanger channels and heat supply network return water heat exchanger channels, the outlet of the entrance of the heat supply network return water heat exchanger channels and the cooling water water pump
Connection, the outlet of the heat supply network return water heat exchanger channels can be connected to by the second connecting portion with heat supply network water return pipeline；Described
The outlet for connecing heat-exchange working medium heat exchanger channels is connected to the entrance of the cooling medium heat exchanger tube, and the cooling medium heat exchanger tube goes out
Mouth is connected to the entrance of the indirect heat exchange working medium heat exchanger channels.
5. fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system as claimed in claim 4, which is characterized in that described indirect
The indirect heat exchange working medium that setting can circulate in heat-exchange working medium heat exchanger channels, the thermal coefficient of the indirect heat exchange working medium are higher than
The thermal coefficient of heat supply network return water.
6. fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system as described in claim 1, which is characterized in that the cooling
Media for heat exchange pipe includes low-temperature zone heat exchanger tube and high temperature section heat exchanger tube, and the high temperature section heat exchanger tube is close to the waste residue heat exchanger channels
Entrance setting, the low-temperature zone heat exchanger tube far from the waste residue heat exchanger channels entrance be arranged, the high temperature section heat exchanger tube
Entrance passes through the outlet of the first heat supply network return water Zhi Liuguan and the cooling water water pump, and the outlet of the high temperature section heat exchanger tube is logical
It crosses the first heat supply network return water return pipe to be connected to the second connecting portion, the entrance of the low-temperature zone heat exchanger tube is returned by the second heat supply network
It is flowed back by the second heat supply network return water the outlet of the outlet of water Zhi Liuguan and the cooling water water pump, the low-temperature zone heat exchanger tube
Pipe is connected to the second connecting portion.
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| CN201820911462.2U CN208332643U (en) | 2018-06-13 | 2018-06-13 | A kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592378A (en) * | 2018-06-13 | 2018-09-28 | 北京京诚科林环保科技有限公司 | A kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592378A (en) * | 2018-06-13 | 2018-09-28 | 北京京诚科林环保科技有限公司 | A kind of fluid bed heat homogeneous solution-type reactor waste residue waste heat recycling system |
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