CN206563501U - A kind of rotary kiln cement clinker production line waste heat recycling system - Google Patents
A kind of rotary kiln cement clinker production line waste heat recycling system Download PDFInfo
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- CN206563501U CN206563501U CN201720292899.8U CN201720292899U CN206563501U CN 206563501 U CN206563501 U CN 206563501U CN 201720292899 U CN201720292899 U CN 201720292899U CN 206563501 U CN206563501 U CN 206563501U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model provides a kind of rotary kiln cement clinker production line waste heat recycling system, and it includes rotary kiln heat exchange closure assembly, cylinder of rotary kiln waste-heat recovery device, the Room residual heat heat-exchanging device of grate-cooler three and grate-cooler waste-heat recovery device；The utility model scatters and disappears for the heat of rotary kiln cement clinker production line to be recycled and is invented, by setting heat exchange copper tube, using current as cooling medium, the heat of rotary kiln heat exchange cover, cylinder of rotary kiln waste heat and the Room high-temperature gas of grate-cooler three is reclaimed.Absorb the water after heat and be changed into steam and hot water, it is pooled in steam heat collection device and hot-water heat collector, for life and production and application, efficiently solve the lost problem of waste heat of cement production enterprise clinker production line, improve cement plant overall economic efficiency, and energy-saving and emission-reduction can be promoted, reduce harm of the energy resource consumption to environment.
Description
Technical field
The utility model is related to the technical field of cement plant waste heat recovery, and in particular to it is ripe that one kind is applied to rotary kiln cement
Expect the waste heat recycling system of production line.
Background technology
Cement industry is the pillar industry of national building field, belongs to high energy consumption, high pollution, low value-added industry.
In national " 13 " planning, the emphasis transformation related industry that energy resource consumption is big, environmental pollution is serious, therefore, cement industry is
One of emphasis reducing energy consumption object.
Cement production process includes grinding for the preparation of raw material, clinker burning cooling and cement, wherein clinker burning
It is the maximum step of power consumption, rotary kiln discharges heat energy by fuel combustion and complete the pre- of raw material as the equipment of clinker burning
The processes such as heat, decomposition and chemical reaction, so as to be fired into clinker, its energy consumption accounts for more than the 80% of overall energy consumption, in revolution
In kiln running, its drum surface temperature can reach 350 DEG C or so, and substantial amounts of heat is by equipment surface with heat loss through radiation
Form is lost in environment；Clinker after calcining needs quickly to cool by grate-cooler.In grate-cooler, the high temperature of a Room
Gas sends into combustion-supporting in kiln, part high-temperature gas feeding kiln hood waste heat boiler as Secondary Air；The high-temperature gas of two Room passes through pipe
Road leads to kiln tail dore furnace；Emitted after the waste gas removing dust device of three Room.Therefore, the radiating and cooling of cylinder of rotary kiln are passed through
The waste gas discharge radiating of the Room of machine three not only causes the energy largely to waste, but also can produce thermal pollution to environment.
The content of the invention
The purpose of this utility model exactly provides a kind of revolution for the weak point in the presence of above-mentioned prior art
Kiln cement clinker production line waste heat recycling system.The utility model can effectively solve rotary kiln and comb in the production line of cement plant
The waste heat of the Room of cold three scatters and disappears problem, can realize to more than rotary kiln in cement production enterprise clinker production line and the Room of grate-cooler three
Heat seal reason is reclaimed and utilized, it is to avoid because waste heat loss and caused by energy waste, can improve the using energy source of cement production process
Efficiency.
The purpose of this utility model can be realized by following technique measures：
Rotary kiln cement clinker production line waste heat recycling system of the present utility model include rotary kiln heat exchange closure assembly,
Cylinder of rotary kiln waste-heat recovery device, the Room residual heat heat-exchanging device of grate-cooler three and grate-cooler waste-heat recovery device；
A, rotary kiln heat exchange closure assembly include the heat exchange of at least two arcuate structures set around cylinder of rotary kiln
Cover, is arranged on the heat exchanger between each heat exchange cover and cylinder of rotary kiln；One side of the heat exchanger is provided with steam (vapor) outlet, separately
One side is provided with admission port；The centering angle of each heat exchange cover is 90o；
B, described cylinder of rotary kiln waste-heat recovery device include passing through steam conveying pipe and related valve and heat exchange
The heat exchanger heat collector that the steam (vapor) outlet of device is connected, the feedwater being connected by the admission port of heat exchanger and downside feedwater longitudinal tubule (L tubule)
Pipe；Be provided with steam conveying pipe for by liquid condensation water it is counter deliver to downside feedwater longitudinal tubule (L tubule) in, ensure steam pipeline
The steam trap of the steam-purity value in road；Heat collector steam outlet pipe, thermometer, pressure gauge, water level are provided with steam heat collection device
Meter, inspection hole, regulating valve, accident adjutage；The feed pipe passes through gate valve, dirt separator, flowmeter, pressure display table and feedwater
Pump is connected；
C, the Room residual heat heat-exchanging device of the grate-cooler three include the comb being connected between the Room of grate-cooler three and inertial dust collection room
The Room wind pipe of cold three, is provided with inertial dust collection room baffle plate between the inertial dust collection room and wind pipe, the inertia is removed
Dirt room bottom is provided with dust-precipitator；
D, the grate-cooler waste-heat recovery device include the high-temperature gas Heat Room being connected with inertial dust collection room, described
The vapor heat exchanger being made up of some heat exchange copper tubes and hot water heat exchanger two parts are disposed with high-temperature gas Heat Room, it is described
Vapor heat exchanger is disposed adjacent to high-temperature gas porch；The hot water heat exchanger is disposed adjacent to high-temperature gas exit.
Heat exchanger described in the utility model includes multiple spiral fin coils and the steam (vapor) outlet phase with spiral fin coil
The upside steam longitudinal tubule (L tubule) of connection, the downside being connected with the water inlet of spiral fin coil feedwater longitudinal tubule (L tubule)；The upside steam longitudinal tubule (L tubule)
One end be provided with steam (vapor) outlet, downside feedwater longitudinal tubule (L tubule) one end be provided with admission port；And the spiral fin coil and and spiral
Upside steam longitudinal tubule (L tubule) that the steam (vapor) outlet of finned tube is connected, the downside being connected with the water inlet of spiral fin coil feedwater longitudinal tubule (L tubule)
Foundation of steel frame is connected by support frame to be fixed, outside laying square steel skeleton and heat preservation rock, inside and outside laying galvanized iron sheet are played
The effect that insulation and reflected radiation are radiated, using water as cooling medium, by the heat of cylinder of rotary kiln in helical fin copper pipe
Amount transmission, in vapour form convergence discharge.Wherein, blower fan alignment helical fin copper pipe and rotary kiln space, strengthen air flow,
Increase heat convection.
The hot water heat exchanger is made up of multirow S type heat exchange copper tubes, and the hot water outlet and heat of the hot water heat exchanger
Water heat collector is connected, and sets gas-liquid separator in the hot water pipeline exit of hot-water heat collector, steam in system is discharged, it is ensured that
The normal conveying of hot water.
Heat exchange copper tube described in the utility model in vapor heat exchanger is using the heat exchange copper tube being vertically arranged by multirow
Composition, lower end is connected with feedwater transverse tube, and upper end is connected with steam heat collection device, and in the jet chimney exit of steam heat collection device
Be provided with steam trap, by liquid condensation water it is counter deliver to feedwater transverse tube in, it is ensured that the steam-purity value of steam conveying pipe.
The beneficial effects of the utility model are as follows：
The utility model scatters and disappears for the heat of rotary kiln cement clinker production line to be recycled and is invented, by setting
Heat exchange copper tube is put, using current as cooling medium, to rotary kiln heat exchange cover, cylinder of rotary kiln waste heat and the Room High Temperature Gas of grate-cooler three
The heat of body is reclaimed.Absorb the water after heat and be changed into steam and hot water, be pooled in steam heat collection device and hot-water heat collector,
For life and production and application, the lost problem of waste heat of cement production enterprise clinker production line is efficiently solved, cement plant is improved
Overall economic efficiency, and energy-saving and emission-reduction can be promoted, reduce harm of the energy resource consumption to environment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cement rotary kiln A types waste-heat recovery device profile of the present utility model（A kind of embodiment）.
Fig. 3 is cement rotary kiln Type B waste-heat recovery device profile of the present utility model（Second of embodiment）.
Fig. 4 is cement rotary kiln c-type waste-heat recovery device profile of the present utility model（The third embodiment）.
Fig. 5 is Fig. 1 front view.
Fig. 6 is the structure of heat exchanger in Fig. 1
Fig. 7 is the side view of heat exchanger.
Fig. 8 is heat collector heating power general flow chart.
Fig. 9 is heat collector drawing.
Figure 10 is the Room left view of grate-cooler three.
Figure 11 is vapor heat exchanger plan.
Figure 12 is hot water heat exchanger plan.
Figure 13 is that hot water heat exchanger supplies backwater layout drawing.
Figure 14 is the Steam Recovery flow chart of vapor heat exchanger.
Figure 15 is the Recovery of the hot water flow chart of hot water heat exchanger.
Sequence number in figure：1- heat exchange covers, 2- steam (vapor) outlets, steam longitudinal tubule (L tubule) on the upside of 3-, feedwater longitudinal tubule (L tubule) on the downside of 4-, 5- support frames,
6- admission ports, 7- cylinder of rotary kiln, 8- Foundation of steel frame, 9- spiral fin coils, 10- square steel skeleton, 11- heat collectors, 12- heat collectors
Steam outlet pipe, 13- pressure gauges, 14- water-level gauges, 15- inspection holes, 16- regulating valves, 17- accidents adjutage, the conveying of 18- steam
Pipeline, 19- feed pipes, 20- gate valves, 21- dirt separators, 22- flowmeters, 23- pressure display tables, 24- supporting steel frames, 25- temperature
Meter, 26- safety valves, the standby delivery ports of 27-, 28- vent valves, 29- blower fans, 30- Fan pipelines, 31- steam traps, 32- are hot water
Reflux line, 33- inertial dust collections room baffle plate, 34- dust-precipitators, 35- rotary kiln ends, 36- conveyer belts, 37- grate-coolers, 38- comb
The Room wind pipe of cold one, the Room of 39- grate-coolers one, the Room wind pipe of 40- grate-coolers two, the Room of 41- grate-coolers two, 42- grate-coolers
Three Room wind pipes, the Room of 43- grate-coolers three, 44- clinkers Freight Office, 45- inertial dust collections room, 46- high-temperature gases Heat Room, 47-
Vapor heat exchanger, 48- hot water heat exchangers, 49- pipeline fans, 50- gas collections room, 51- coolings room blower fan, 52- steam transverse tube,
Heat exchange copper tube that 53- is vertically arranged, 54- vapor heat exchangers feedwater transverse tube, the total feed pipe of 55- vapor heat exchangers, the heat exchange of 56-S types
Copper pipe, 57- hot water heat exchangers feed pipe, 58- hot water outlet pipes, 59 hot-water heat collectors.
Embodiment
The utility model is below with reference to embodiment（Accompanying drawing）It is further described：
Cement production process includes grinding for the preparation of raw material, clinker burning cooling and cement, wherein clinker burning
It is the maximum step of power consumption, rotary kiln discharges heat energy by fuel combustion and complete the pre- of raw material as the equipment of clinker burning
The chemical reactions such as heat, decomposition, so as to be fired into clinker, its energy consumption accounts for more than the 80% of overall energy consumption, in rotary kiln running
During, surface temperature can reach 350 DEG C or so, and substantial amounts of heat is lost to ring by equipment surface in the form of heat loss through radiation
In border；Clinker after calcining needs quickly to cool by grate-cooler.In grate-cooler, the high-temperature gas of a Room delivers to revolution
Supplement air-breathing in kiln, the high-temperature gas feeding dore furnace of two Room is recycled, and the gas temperature of three Room reaches 150 DEG C, one
As be exhausted directly to outdoor.Therefore, rotary kiln and a large amount of waste heats of cooling room fail to make full use of, and not only cause energy waste, and
And have a negative impact to environment.
The utility model is directed in clinker production process, cylinder of rotary kiln surface radiating and the Room High Temperature Gas of grate-cooler three
The lost phenomenon of body heat content, proposes that one kind is applied to rotary kiln cement clinker production line waste heat recycling system, passes through and set
Heat exchange copper tube, using current as cooling medium, is returned to the heat of cylinder of rotary kiln waste heat and the Room high-temperature gas of grate-cooler three
Receive.Absorb the water after heat and be changed into steam and hot water, be pooled in steam heat collection device and hot-water heat collector, for living and producing
Use.
As shown in figure 1, the utility model includes rotary kiln heat exchange closure assembly, cylinder of rotary kiln waste-heat recovery device, cooling
The Room residual heat heat-exchanging device of machine three and grate-cooler waste-heat recovery device.
As shown in Fig. 2 the rotary kiln heat exchange closure assembly includes four arcuate structures set around cylinder of rotary kiln 7
Heat exchange cover 1, the centering angle of each heat exchange cover 1 is 90o；It is arranged on changing between each heat exchange cover 1 and cylinder of rotary kiln 7
Hot device；The heat exchanger includes multiple spiral fin coils 9 and the upside steam being connected with the steam (vapor) outlet of spiral fin coil
Longitudinal tubule (L tubule) 3, the downside being connected with the water inlet of spiral fin coil feedwater longitudinal tubule (L tubule) 4；One end of the upside steam longitudinal tubule (L tubule) 3 is provided with steaming
Vapor outlet 2, one end of downside feedwater longitudinal tubule (L tubule) is provided with admission port 6（Referring to shown in Fig. 2,5,6,7）；Furtherly, the spiral
Finned tube 9 and the upside steam longitudinal tubule (L tubule) 3 being connected with the steam (vapor) outlet of spiral fin coil, the water inlet with spiral fin coil
The downside feedwater longitudinal tubule (L tubule) 4 being connected connects Foundation of steel frame by support frame and is fixed, outside laying square steel skeleton and insulation rock
Cotton, inside and outside laying galvanized iron sheet plays a part of insulation and reflected radiation radiating, using water as cooling medium, in helical fin copper
By the heat transfer of cylinder of rotary kiln in pipe, convergence discharge in vapour form.Wherein, blower fan is directed at helical fin copper pipe and returned
Rotary kiln space, strengthens air flow, increases heat convection.
As shown in Figure 8,9, described cylinder of rotary kiln waste-heat recovery device includes passing through steam conveying pipe 18 and phase
The heat exchanger heat collector 11 that closing valve is connected with steam (vapor) outlet 2, the feedwater being connected by admission port 6 and downside feedwater longitudinal tubule (L tubule)
Pipe 19；Be provided with steam conveying pipe for by liquid condensation water it is counter deliver to downside feedwater longitudinal tubule (L tubule) 4 in, ensure steam conveying
The steam trap of the steam-purity value of pipeline；Heat collector steam outlet pipe 12, thermometer 25, pressure gauge are provided with steam heat collection device
13rd, water-level gauge 14, inspection hole 15, regulating valve 16, accident adjutage 17；The feed pipe 19 passes through gate valve 20, dirt separator 21, stream
Gauge 22, pressure display table 23 are connected with feed pump.
As shown in Fig. 1,10, the Room residual heat heat-exchanging device of grate-cooler three is removed including being connected to the Room 43 of grate-cooler three with inertia
The Room wind pipe of grate-cooler three between dirt room 45, inertial dust collection room is provided between the inertial dust collection room 45 and wind pipe
Baffle plate 33, inertial dust collection room bottom is provided with dust-precipitator 34；The grate-cooler waste-heat recovery device includes and inertial dust collection
The high-temperature gas Heat Room 46 that room 45 is connected, is disposed with the high-temperature gas Heat Room and is made up of some heat exchange copper tubes
Vapor heat exchanger 47 and the two parts of hot water heat exchanger 48, the vapor heat exchanger 47 is disposed adjacent to high-temperature gas porch；
The hot water heat exchanger 48 is disposed adjacent to high-temperature gas exit.
As shown in figure 12, hot water heat exchanger 48 described in the utility model is made up of multirow S types heat exchange copper tube 56, and institute
The hot water outlet for stating hot water heat exchanger 48 is connected with hot-water heat collector, and gas-liquid is set in the hot water pipeline exit of hot-water heat collector
Separator, steam in system is discharged, it is ensured that the normal conveying of hot water.
As shown in figure 11, the heat exchange copper tube in vapor heat exchanger 47 described in the utility model is using vertical row by multirow
The heat exchange copper tube 53 of row is constituted, and lower end is connected with feedwater transverse tube, and upper end is connected with steam heat collection device, and in steam heat collection device
Jet chimney exit is provided with steam trap, by liquid condensation water it is counter deliver to feedwater transverse tube in, it is ensured that the steaming of steam conveying pipe
Vapour purity.
Rotary kiln heat exchange closure assembly of the present utility model can be designed to three according to the extraneous actual environment of rotary cement kiln
The heat exchange cover of arcuate structure（As shown in Figure 3）Or the heat exchange cover of two arcuate structures（As shown in Figure 4）.
More specifically, the upside steam longitudinal tubule (L tubule) 3 described in the utility model is given by vertical spiral fin coil 9 connection downside
Water longitudinal tubule (L tubule) 4, in upside, one end of steam longitudinal tubule (L tubule) 3 is provided with steam (vapor) outlet 2, and the other end for the longitudinal tubule (L tubule) that fed water in downside is provided with admission port 6,
Upside steam longitudinal tubule (L tubule) 3 and downside feedwater longitudinal tubule (L tubule) 4 be seamless steel pipe, multiple spiral fin coils 9 are around the cloth of cylinder of rotary kiln 7
Put, the current in feed pipe 19 enter downside feedwater longitudinal tubule (L tubule) 4 by admission port 6, current enter spiral along downside feedwater longitudinal tubule (L tubule) 4
Finned tube 9, it is heated to become steam by the radiation heat transfer and heat convection of cylinder of rotary kiln 7 in spiral fin coil 9, collect
To upside steam longitudinal tubule (L tubule) 3, steam conveying pipe 18 is entered by steam (vapor) outlet 2, heat exchanger heat collector 11 is subsequently entered.
In spiral fin coil 9, side of the arrangement with fin increases heat exchange area, strengthens changing close to cylinder of rotary kiln 7
Heat energy power, arranges that the radiation loss of finned tube, back to rotary kiln 7, is reduced in not finned side.Blower fan 29 is placed in side
On Foundation of steel frame 8, the space between the alignment spiral fin coil 9 of Fan pipeline 30 and cylinder of rotary kiln 7, starting blower fan can increase back
Air flow between rotary kiln cylinder 7 and spiral fin coil 9, strengthens heat convection, while avoiding external dust from sticking spiral shell as far as possible
Revolve fin, it is to avoid dust increases heat transfer resistance, causes heat output to reduce, waste heat recovery DeGrain.
As shown in Figures 2 and 3, heat exchange cover 1 fixes load-bearing by support frame 5, and both sides and lower support frame 5 are fixed on rotary kiln
Foundation of steel frame 8, upper side stand component 5 is fixed on the top supporting steel frame 24.
As shown in FIG. 8 and 9, the steam in heat exchanger heat collector 11 is flowed out by heat collector steam outlet pipe 12, for life
Living and production and application, accident adjutage 17 is arranged on heat collector foot, connected by regulating valve 16.Heat exchanger heat collector 11 is
The cylinder pressure tank of one closing, both sides set water-level gauge 14 and inspection hole 15 respectively, and upside sets pressure gauge 13, thermometer
25th, safety valve 26, vent valve 28 etc., upside set heat collector steam outlet pipe 12, standby delivery port 27, and downside sets accident to put
Water pipe 17 etc..
As shown in Fig. 1,10, the grate-cooler 37 is different according to temperature of outgoing air, is generally divided into three parts, the Room of grate-cooler one
39 temperature of outgoing air is at 900 DEG C or so, and part high-temperature gas enters rotary kiln along rotary kiln end 35, supplements high temperature air, fills
Work as combustion-supporting gas, part high-temperature gas enters kiln hood waste heat boiler, the Room 41 of grate-cooler two along the Room wind pipe 38 of grate-cooler one
Temperature of outgoing air at 400 DEG C or so, high-temperature gas passes through the Room wind pipe 40 of grate-cooler two and introduces kiln tail dore furnace, grate-cooler three
The temperature of outgoing air of room 43 is at 150 DEG C or so, generally, and the high-temperature gas of the Room 43 of grate-cooler three is expelled directly out outdoor, causes
Waste heat is wasted.The utility model carries out recuperation of heat by high-temperature gas Heat Room 46 to the high-temperature gas of the Room of grate-cooler three.Cooling
When the cold wind that room blower fan 51 is discharged passes through conveyer belt 36, high-temperature gas is heated into by clinker, waste heat recovery is carried out, it is necessary first to entered
Grit in row dust removal process, high-temperature gas changes movement locus by inertial dust collection room baffle plate 33, falls into the dust-precipitator 34 of lower section
In.High-temperature gas after dedusting enters high-temperature gas Heat Room 46 through pipeline, in order to fully reclaim the heat in high-temperature gas, high
Wet body Heat Room 46 sets two parts heat exchange copper tube, and the gas after heat exchange is discharged at gas collection room 50.Wherein, this part
Pipeline sets air flow, enhanced heat exchange in pipeline fan 49, enhancing high-temperature gas Heat Room 46.
High-temperature gas after dedusting enters high-temperature gas Heat Room 46 through pipeline, in order to fully reclaim the heat in high-temperature gas
Amount, high-temperature gas Heat Room 46 sets two parts heat exchange copper tube, and high temperature gas flow flows successively through two parts heat exchange copper tube, Part I
Heat exchange copper tube contacts high temperature gas flow first, and in-pipe flow is heated to become steam, and this part is referred to as vapor heat exchanger 47, Part II
The current of heat exchange copper tube are heated to be changed into hot water, and this part is referred to as hot water heat exchanger 48.Wherein, the section arrangement of vapor heat exchanger 47
As shown in figure 11, the uniform fluid flow in vapor heat exchanger feedwater transverse tube 54 enters the heat exchange copper tube 53 being vertically arranged and exchanged heat,
Aqueous phase, which is changed into steam, to be gathered steam transverse tube 52 and discharges, and steam trap 31 is set in the exit of steam transverse tube 52, wherein, multiple sections
The cross arrangement of heat exchange copper tube 53 being vertically arranged in face, enhancing heat exchange.The section arrangement of hot water heat exchanger 48 is as shown in figure 12, single
Root S types heat exchange copper tube 56 is arranged with S types complications, and upside is admission port, and downside is delivery port, and multiple section arrangements are such as Figure 15 institutes
Show, upper horizontal hot water heat exchanger feed pipe 57 uniformly supplies water and gives each S types heat exchange copper tube 56, the hot water after heat exchange is unified to be assembled
To hot water outlet pipe 58, gas-liquid separator is set in exit.Steam and hot water after heat exchange is introduced into heat exchanger thermal-arrest respectively
In device 11 and hot-water heat collector 59.
Claims (4)
1. a kind of rotary kiln cement clinker production line waste heat recycling system, it is characterised in that：It includes rotary kiln heat exchange cover
Device, cylinder of rotary kiln waste-heat recovery device, the Room residual heat heat-exchanging device of grate-cooler three and grate-cooler waste-heat recovery device；
A, rotary kiln heat exchange closure assembly include surrounding cylinder of rotary kiln（7）The heat exchange cover of at least two arcuate structures set
（1）, it is arranged on each heat exchange cover（1）With cylinder of rotary kiln（7）Between heat exchanger；One side of the heat exchanger is provided with steam
Outlet（2）, another side is provided with admission port（6）；Each heat exchange cover（1）Centering angle be 90o；
B, described cylinder of rotary kiln waste-heat recovery device include passing through steam conveying pipe（18）And related valve and heat exchange
The steam (vapor) outlet of device（2）The heat exchanger heat collector being connected（11）, pass through the admission port of heat exchanger（6）With downside feedwater longitudinal tubule (L tubule) phase
The feed pipe of connection（19）；Be provided with steam conveying pipe for by liquid condensation water it is counter deliver to downside feedwater longitudinal tubule (L tubule)（4）
In, ensure steam conveying pipe steam-purity value steam trap；Heat collector steam outlet pipe is provided with steam heat collection device
（12）, thermometer（25）, pressure gauge（13）, water-level gauge（14）, inspection hole（15）, regulating valve（16）, accident adjutage（17）；Institute
State feed pipe（19）Pass through gate valve（20）, dirt separator（21）, flowmeter（22）, pressure display table（23）It is connected with feed pump；
C, the Room residual heat heat-exchanging device of the grate-cooler three include being connected to the Room of grate-cooler three（43）With inertial dust collection room（45）Between
The Room wind pipe of grate-cooler three, the inertial dust collection room（45）Inertial dust collection room baffle plate is provided between wind pipe
（33）, inertial dust collection room bottom is provided with dust-precipitator（34）；
D, the grate-cooler waste-heat recovery device include and inertial dust collection room（45）The high-temperature gas Heat Room being connected（46）,
The vapor heat exchanger being made up of some heat exchange copper tubes is disposed with the high-temperature gas Heat Room（47）And hot water heat exchanger
（48）Two parts, the vapor heat exchanger（47）It is disposed adjacent to high-temperature gas porch；The hot water heat exchanger（48）Arrangement
Close to high-temperature gas exit.
2. rotary kiln cement clinker production line waste heat recycling system according to claim 1, it is characterised in that：It is described
Hot water heat exchanger（48）It is made up of multirow S type heat exchange copper tubes, and the hot water heat exchanger（48）Hot water outlet and hot water collection
Hot device is connected, and gas-liquid separator is set in the hot water pipeline exit of hot-water heat collector.
3. rotary kiln cement clinker production line waste heat recycling system according to claim 1, it is characterised in that：It is described
Vapor heat exchanger（47）In heat exchange copper tube be made up of multirow using the copper pipe that is vertically arranged, lower end with feedwater transverse tube phase
Even, upper end is connected with steam heat collection device, and the jet chimney exit of steam heat collection device is provided with steam trap.
4. rotary kiln cement clinker production line waste heat recycling system according to claim 1, it is characterised in that：It is described
Heat exchanger includes multiple spiral fin coils（9）And the upside steam longitudinal tubule (L tubule) being connected with the steam (vapor) outlet of spiral fin coil
（3）, the downside feedwater longitudinal tubule (L tubule) that is connected with the water inlet of spiral fin coil（4）；The upside steam longitudinal tubule (L tubule)（3）One end be provided with
Steam (vapor) outlet（2）, one end of downside feedwater longitudinal tubule (L tubule) is provided with admission port（6）；And the spiral fin coil（9）And and spiral
The upside steam longitudinal tubule (L tubule) that the steam (vapor) outlet of finned tube is connected（3）, the downside feedwater that is connected with the water inlet of spiral fin coil
Longitudinal tubule (L tubule)（4）Foundation of steel frame is connected by support frame to be fixed, outside laying square steel skeleton and heat preservation rock, inside and outside laying galvanized iron
Skin, plays a part of insulation and reflected radiation radiating.
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| CN201720292899.8U CN206563501U (en) | 2017-03-24 | 2017-03-24 | A kind of rotary kiln cement clinker production line waste heat recycling system |
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| CN201720292899.8U CN206563501U (en) | 2017-03-24 | 2017-03-24 | A kind of rotary kiln cement clinker production line waste heat recycling system |
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| CN106802090A (en) * | 2017-03-24 | 2017-06-06 | 郑州市工信节能检测中心 | A kind of rotary kiln cement clinker production line waste heat recycling system |
| CN109059562A (en) * | 2018-06-11 | 2018-12-21 | 孙海霞 | Snakelike tube bank and heat exchange cover waste-heat recovery device |
| CN111718138A (en) * | 2020-07-01 | 2020-09-29 | 冯建新 | Novel dry-process cement clinker production device and process |
| CN112062102A (en) * | 2020-08-10 | 2020-12-11 | 宁夏奥斯化工有限公司 | Sodium sulfide production process and production device |
-
2017
- 2017-03-24 CN CN201720292899.8U patent/CN206563501U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802090A (en) * | 2017-03-24 | 2017-06-06 | 郑州市工信节能检测中心 | A kind of rotary kiln cement clinker production line waste heat recycling system |
| CN109059562A (en) * | 2018-06-11 | 2018-12-21 | 孙海霞 | Snakelike tube bank and heat exchange cover waste-heat recovery device |
| CN111718138A (en) * | 2020-07-01 | 2020-09-29 | 冯建新 | Novel dry-process cement clinker production device and process |
| CN112062102A (en) * | 2020-08-10 | 2020-12-11 | 宁夏奥斯化工有限公司 | Sodium sulfide production process and production device |
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