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CN201059880Y - Pure middle-low-temperature waste heat power generation system of cement kiln - Google Patents

Pure middle-low-temperature waste heat power generation system of cement kiln Download PDF

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Publication number
CN201059880Y
CN201059880Y CNU2007200385673U CN200720038567U CN201059880Y CN 201059880 Y CN201059880 Y CN 201059880Y CN U2007200385673 U CNU2007200385673 U CN U2007200385673U CN 200720038567 U CN200720038567 U CN 200720038567U CN 201059880 Y CN201059880 Y CN 201059880Y
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China
Prior art keywords
kiln
boiler
gas inlet
kiln hood
low temperature
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CNU2007200385673U
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宋纪元
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NANJING KAISHENG KAINENG ENVIRONMENTAL ENERGY SOURCES CO Ltd
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NANJING KAISHENG KAINENG ENVIRONMENTAL ENERGY SOURCES CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The utility model relates to a power generating system, in particular to a pure middle and low temperature after heat power generating system in a cement kiln. The power generating system comprises a clinker cooler, a kiln end pre-heater, a kiln hood boiler, a kiln end boiler, a kiln hood steam drum, a kiln end steam drum, a steam turbine, a boiler water feeding pump, a dust remover, a blower fan and a chimney. A front part air drafting opening is arranged at the position where the clinker cooler is close to a feeding end, two waste gas inlet openings are arranged on the kiln hood boiler, a public high temperature superheater is arranged near the waste gas inlet openings in the kiln hood boiler, the front part air drafting opening is connected with the waste gas inlet openings at the upper part of the kiln hood boiler, the middle part air drafting opening is connected with one waste gas inlet opening which is positioned under the other waste gas inlet opening, the low temperature superheater of the kiln end boiler and the low temperature superheater of the kiln hood boiler are connected at a collecting point, the outlet opening of the collecting point is connected with the inlet opening of the public high temperature superheater, and the outlet opening of the public high temperature superheater is connected with the steam turbine. The utility model decreases or avoids the entropy increasing phenomenon according to the step utilization of the waste gas heat, and as a result the power generating capacity can be increased.

Description

A kind of cement kiln pure middle and low temperature afterheat generating system
Technical field
The utility model relates to a kind of electricity generation system, a kind of specifically cement kiln pure middle and low temperature afterheat generating system.
Background technology
Existing cement kiln pure middle and low temperature afterheat generating system as shown in Figure 1, comprise chamotte cooler 1, kiln tail boiler 12, kiln hood boiler 13, kiln tail preheater 7, boiler feed pump 23, oxygen-eliminating device 24, steam turbine 22, condenser 25, kiln tail drum 16, kiln hood drum 21, be provided with feed end 2 and discharge end 3 in the chamotte cooler 1, be provided with middle part suction opeing 5 at chamotte cooler 1 middle part, afterbody is provided with afterbody suction opeing 6.Be provided with low temperature superheater 14 and evaporimeter 15 in the kiln tail boiler 12 from top to bottom successively.Be provided with low temperature superheater 18, evaporimeter 19, feed-water heater 20 in the kiln hood boiler 13 from top to bottom successively.
The waste gas of kiln hood boiler 13 imports is from the middle part suction opeing 5 of chamotte cooler 1, the waste gas that middle part suction opeing 5 is extracted out is generally at 350 ℃~390 ℃, this waste gas enters kiln hood boiler 13 through expansion chamber 11, then by being arranged in low temperature superheater 18, evaporimeter 19, the feed-water heater 20 in the kiln hood boiler 13, progressively be cooled to about 100 ℃,, discharge through deduster 8, blower fan 9 by the outlet of kiln hood boiler 13 by chimney 10.
The waste gas of kiln tail boiler 12 imports is from the outlet of kiln tail preheater 7, the temperature of this waste gas is generally at 310 ℃~340 ℃, it is by being arranged in low temperature superheater 14, the evaporimeter 15 in the kiln tail boiler 12, progressively be cooled to about 200 ℃, outlet by kiln tail boiler 12 is discharged, and goes equipment such as raw mill and coal mill further to utilize.
Divide two-way from the feed-water heater 20 heating backs that the boiler feedwater of oxygen-eliminating device 24 is got to kiln hood boiler 13 by boiler feed pump 23, one the tunnel enters the kiln hood drum 21 of kiln hood boiler 13, another road enters the kiln tail drum 16 of kiln tail boiler 12, and the water in the kiln tail drum of the kiln hood drum 21 of kiln hood boiler 13 and kiln tail boiler 12 16 arrives separately drum 21,16 by natural circulation mode evaporimeter 19, the 15 heat absorption boiling backs of respectively hanging oneself.The saturated vapor of separating from kiln hood drum 21 and kiln tail drum 16 is after low temperature superheater 18,14 separately is overheated, become superheated steam and after Rendezvous Point 17 compiles, deliver to steam turbine 22 expansion workings, become condensate water through condenser 25 coolings, it is got to oxygen-eliminating device 24 by condensate pump 26.
Blower fan 4 below chamotte cooler 1 middle part is taken from the cold wind in the natural environment.The waste gas that comes out near the afterbody suction opeing 6 of discharge end 3 from the chamotte cooler 1 and waste gas of kiln tail boiler 12 outlets compiles after deduster 8, blower fan 9 are discharged by chimney 10, the EGT of blower fan 9 outlets also has about 100 ℃.
There is following problem in existing this cement kiln pure middle and low temperature afterheat generating system: 1. chamotte cooler 1 is higher near feed end 2 EGTs, chamotte cooler 1 is lower near discharge end 3 EGTs, these two kinds of waste gas mix the back to be extracted out by middle part suction opeing 5, does not accomplish that like this waste-gas heat just carries out cascade utilization according to its temperature.2. the EGT of kiln hood boiler 13 imports wants high than the EGT of kiln tail boiler 12 imports, the superheated steam that comes out of the kiln hood boiler 13 superheat steam temperature height that also can come out than kiln tail boiler 12 like this, lower at Rendezvous Point 17 mixed superheat steam temperatures than the superheated steam that kiln hood boiler 13 comes out, this increases phenomenon with regard to having produced the entropy in the thermodynamics, promptly reduced the ability and the efficiency of cycle of the work done of superheated steam, the generated output of steam turbine generator is reduced.3. the EGT of blower fan 9 outlets also has about 100 ℃, and this heat does not make full use of and directly drained by chimney 10.
Summary of the invention
The purpose of this utility model is to propose a kind ofly can carry out cascade utilization to waste-gas heat according to temperature height, reduce or avoid entropy to increase phenomenon, make the temperature of steam turbine import superheated steam be improved, thus the cement kiln pure middle and low temperature afterheat generating system that generating capacity obtains increasing.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of cement kiln pure middle and low temperature afterheat generating system, comprise chamotte cooler, kiln tail preheater, the kiln hood boiler, kiln tail boiler, the kiln hood drum, kiln tail drum, steam turbine, boiler feed pump, deduster, blower fan, chimney, be provided with feed end 2 in the chamotte cooler, discharge end 3, the chamotte cooler middle part is provided with the middle part suction opeing, be provided with the afterbody suction opeing near discharge end 3, be provided with one group of blower fan in the middle of the chamotte cooler bottom, the both sides, bottom respectively are provided with one group of blower fan, the middle part suction opeing links to each other with the exhaust gas inlet of kiln hood boiler, the afterbody suction opeing passes through deduster, blower fan links to each other with chimney, the outlet of kiln tail preheater links to each other with the exhaust gas inlet of kiln tail boiler, be provided with low temperature superheater in the kiln tail boiler, evaporimeter, be provided with low temperature superheater in the kiln hood boiler, evaporimeter, feed-water heater, boiler feed pump links to each other with the import of the feed-water heater of kiln hood boiler, the outlet of the feed-water heater of kiln hood boiler connects kiln hood drum and kiln tail drum respectively by pipeline, the outlet of kiln hood drum links to each other with the import of kiln hood boiler superheater, the kiln hood boiler evaporator is connected on the kiln hood drum, the outlet of kiln tail drum links to each other with the import of kiln tail boiler superheater, kiln tail boiler evaporator is connected on the kiln tail drum, chamotte cooler is provided with anterior suction opeing near feed end, the kiln hood boiler is provided with two exhaust gas inlet, an exhaust gas inlet is positioned at the kiln hood upper boiler, another exhaust gas inlet is positioned at the bottom of last exhaust gas inlet, be provided with public high temperature superheater near the top exhaust gas inlet in the kiln hood boiler, anterior suction opeing joins by the exhaust gas inlet of pipeline and kiln hood upper boiler, the middle part suction opeing joins by the exhaust gas inlet of pipeline and bottom, the outlet of the superheater of kiln tail boiler and the superheater of kiln hood boiler is connected to a Rendezvous Point by pipeline, the outlet of Rendezvous Point is joined by the import of pipeline and public high temperature superheater, and the outlet of public high temperature superheater is joined by pipeline and steam turbine.
The purpose of this utility model can also further realize by following technical measures:
Aforesaid cement kiln pure middle and low temperature afterheat generating system, wherein said kiln hood boiler adopts the U type to arrange, two furnace chambers about being provided with, about two furnace chamber bottoms link to each other by mixing expansion chamber, furnace chamber top, a left side is provided with exhaust gas inlet, is provided with public high temperature superheater near this exhaust gas inlet, and left furnace chamber lower side is provided with another exhaust gas inlet, right furnace chamber is provided with feed-water heater, evaporimeter, low temperature superheater from top to bottom successively, and right furnace chamber top is provided with waste gas outlet.
Aforesaid cement kiln pure middle and low temperature afterheat generating system, the bottom of the evaporimeter in the wherein said kiln tail boiler is provided with feed-water heater, the import of this feed-water heater links to each other by the outlet of the feed-water heater in pipeline and the kiln hood boiler, and the outlet of this feed-water heater links to each other with kiln tail drum by pipeline.
Aforesaid cement kiln pure middle and low temperature afterheat generating system in the wherein said chamotte cooler, is provided with baffle plate before the anterior suction opeing, also is provided with baffle plate between anterior suction opeing and the middle part suction opeing, is provided with baffle plate between middle part suction opeing and the afterbody suction opeing.
Aforesaid cement kiln pure middle and low temperature afterheat generating system, the outlet of the blower fan behind the wherein said deduster links to each other by the import of the middle blower fan in pipeline and chamotte cooler bottom, has realized the recycling of the kiln hood lingering remnants of past customs.
Aforesaid cement kiln pure middle and low temperature afterheat generating system, connect on the exhaust piping between each equipment several valves are housed, can regulate the exhaust gas flow and the temperature of kiln hood boiler, kiln tail boiler inlet like this, to adapt to the variable working condition in the clinker production, make afterheat generating system be in optimum Working.
Advantage of the present utility model is: be provided with anterior suction opeing at chamotte cooler near feed end, extract high-temp waste gas out by this suction opeing, high-temp waste gas is fed in the kiln hood boiler, can make the public high temperature superheater of kiln hood boiler produce the superheated steam of higher temperature.The middle temperature waste gas of chamotte cooler middle part suction opeing and the former high-temp waste gas of having lowered the temperature through the public high temperature superheater of kiln hood boiler mix in the expansion chamber up to walk after the mixing at the kiln hood boiler bottom.The low temperature waste gas of chamotte cooler afterbody suction opeing then mixes the back and feeds in the deduster with kiln hood boiler export waste gas.So just accomplished waste-gas heat to be carried out cascade utilization according to the temperature height.The steam that comes out from kiln tail boiler low-temperature superheater and mix at Rendezvous Point earlier from the steam that kiln hood boiler low-temperature superheater comes out and to compile, by the heating surface size of low temperature superheater is set, can be so that approaching or identical from kiln tail boiler low-temperature superheater steam that comes out and the vapor (steam) temperature of coming out from kiln hood boiler low-temperature superheater, then mixed superheated steam is delivered to the public high temperature superheater that is arranged in kiln hood boiler waste gas entrance point again and further heat, the steam after the heating is delivered to the steam turbine import generate electricity.Because from kiln tail boiler low-temperature superheater steam that comes out and the steam that comes out from kiln hood boiler low-temperature superheater is to mix further heating under the approaching or identical situation of temperature earlier again, therefore can reduce or avoid the entropy of steam to increase phenomenon, the temperature of steam turbine import superheated steam is improved, thereby increases generating capacity.In addition, owing to adopted lingering remnants of past customs recycling, improved the import wind-warm syndrome of the following blower fan in chamotte cooler middle part, thereby the front portion of chamotte cooler and the EGT and the flow of middle part suction opeing have been improved, the temperature and the flow of two import waste gas of kiln hood boiler have promptly been improved, thereby improve kiln hood boiler duty and superheat steam temperature, increased generating capacity.
Description of drawings
Fig. 1 is existing cement kiln pure middle and low temperature afterheat generating system flow chart.
Fig. 2 is the flow chart of the utility model embodiment one.
Fig. 3 is the flow chart of the utility model embodiment two.
The specific embodiment
Embodiment one
The structure of present embodiment as shown in Figure 1, a kind of cement kiln pure middle and low temperature afterheat generating system comprises chamotte cooler 1, kiln tail preheater 7, kiln hood boiler 13, kiln tail boiler 12, kiln hood drum 21, kiln tail drum 16, steam turbine 22, boiler feed pump 23, deduster 8, blower fan 9, chimney 10.Be provided with feed end 2 and discharge end 3 in the chamotte cooler 1, be provided with anterior suction opeing 34 near feed end 2, chamotte cooler 1 middle part is provided with middle part suction opeing 5, afterbody is provided with afterbody suction opeing 6, be provided with baffle plate 33 before the anterior suction opeing 34, be provided with baffle plate 30 between anterior suction opeing 34 and the middle part suction opeing 5, be provided with baffle plate 31 between middle part suction opeing 5 and the afterbody suction opeing 6, baffle plate 30,31,33 can prevent that the mutual play of the waste gas of different temperatures scope from mixing.Be provided with one group of blower fan 4 in the middle of the bottom of chamotte cooler 1, the both sides, bottom respectively are provided with one group of blower fan, and the blower fan on both sides sucks the cold wind of natural environment.Afterbody suction opeing 6 links to each other with chimney 10 by deduster 8, blower fan 9, is connected to a pipeline 32 on the tube connector between blower fan 9 and the chimney 10, and the outlet of pipeline 32 is connected to the import of blower fan 4.Owing to also have about 100 ℃ from the EGT of blower fan 9 outlets, improved the import wind-warm syndrome of blower fan 4 like this, thereby improved the anterior suction opeing 34 of chamotte cooler 1 and the EGT of middle part suction opeing 5.
Kiln hood boiler 13 adopts the U type to arrange, two furnace chambers about being provided with, about two furnace chamber bottoms link to each other by mixing expansion chamber 35, furnace chamber top, a left side is provided with exhaust gas inlet 37, be provided with public high temperature superheater 28 near this exhaust gas inlet, furnace chamber bottom, a left side is provided with another exhaust gas inlet 36, and right furnace chamber is followed successively by feed-water heater 20, evaporimeter 19, low temperature superheater 18 from top to bottom.Anterior suction opeing 34 links to each other with the exhaust gas inlet 37 of kiln hood boiler 13 by expansion chamber 11, and the waste gas that anterior suction opeing 34 is extracted out is generally at 360 ℃~500 ℃.Middle part suction opeing 5 links to each other with the exhaust gas inlet 36 of kiln hood boiler 13, and the waste gas that middle part suction opeing 5 is extracted out is generally at 350 ℃~390 ℃.Walk downward through public high temperature superheater 28 from exhaust gas inlet 37 waste gas, mix at mixing expansion chamber 35.Suitably arrange the size of public high temperature superheater 28 heating surfaces of kiln hood boiler 13, make through the EGT after public high temperature superheater 28 heat absorptions of kiln hood boiler 13 and from exhaust gas inlet 36 come in warm EGT near or equate.Waste gas through behind the mixing expansion chamber 35 passes through low temperature superheater 18, evaporimeter 19, feed-water heater 20 from the bottom up successively in right furnace chamber, discharged by right furnace chamber top waste gas outlet 39, through deduster 8, blower fan 9, is discharged by chimney 10.
The outlet of kiln tail preheater 7 links to each other with the exhaust gas inlet of kiln tail boiler 12, and the waste gas of kiln tail boiler 12 imports is from the outlet of kiln tail preheater 7, and the temperature of this waste gas is provided with low temperature superheater 14, evaporimeter 15 generally at 310 ℃~340 ℃ in the kiln tail boiler 12.The low temperature superheater 14 of kiln tail boiler 12 is connected to a Rendezvous Point 29 with the outlet of the low temperature superheater 18 of kiln hood boiler 13 by pipeline, the outlet of Rendezvous Point 29 is joined by the import of pipeline and public high temperature superheater 28, and the outlet of public high temperature superheater 28 is joined by pipeline and steam turbine 22.Divide two-way from the feed-water heater 20 heating backs that the boiler feedwater of oxygen-eliminating device 24 is got to kiln hood boiler 13 by boiler feed pump 23, one the tunnel enters the kiln hood drum 21 of kiln hood boiler 13, another road enters the kiln tail drum 16 of kiln tail boiler 12, and the water in the kiln tail drum of the kiln hood drum 21 of kiln hood boiler 13 and kiln tail boiler 12 16 arrives separately drum 21,16 by natural circulation mode evaporimeter 19, the 15 heat absorption boiling backs of respectively hanging oneself.The saturated vapor of separating from kiln hood drum 21 and kiln tail drum 16 is through separately low temperature superheater 18,14 overheated after, become superheated steam, by low temperature superheater 18 is set, 14 heating surface size, the steam that can come out from the superheater 14 of kiln tail boiler 12 is approaching or identical with the vapor (steam) temperature that the superheater 18 from kiln hood boiler 13 comes out, two strands of identical superheated steams of temperature after Rendezvous Point 29 compiles, enter public high temperature superheater 28 carry out again overheated, deliver to steam turbine 22 expansion workings after overheated, become condensate water through condenser 25 coolings, it is got to oxygen-eliminating device 24 by condensate pump 26.
Because the steam that comes out from the superheater 14 of kiln tail boiler 12 and be to mix again further heating earlier from the steam that the superheater 18 of kiln hood boiler 13 comes out, vapor (steam) temperature is approaching or identical during mixing, therefore reduce or avoided entropy to increase phenomenon, the temperature and the flow of steam turbine 22 import superheated steams also are improved, thereby increase generating capacity.In addition, in the pipeline of chimney 10, connect a road pipeline 32 by blower fan 9 and guide to blower fan 4 import departments below chamotte cooler 1 middle part, improved the import wind-warm syndrome of blower fan 4 below chamotte cooler 1 middle part, thereby improved the anterior suction opeing 34 of chamotte cooler 1 and the EGT of middle part suction opeing 5, promptly improved the temperature of 13 two import waste gas of kiln hood boiler.Improve the temperature and the flow of steam turbine import superheated steam, thereby increased generating capacity.
Embodiment two
The structure of present embodiment as shown in Figure 3, the bottom of the evaporimeter 15 of present embodiment in kiln tail boiler 12 is provided with feed-water heater 27, the import of feed-water heater 27 links to each other by the outlet of the feed-water heater 20 in pipeline and the kiln hood boiler 13, the outlet of feed-water heater 27 links to each other with kiln tail drum 16 by pipeline, and other structure is identical with embodiment one.Divide two-way from the feed-water heater 20 heating backs that the boiler feedwater of oxygen-eliminating device 24 is got to kiln hood boiler 13 by boiler feed pump 23, one the tunnel enters the kiln hood drum 21 of kiln hood boiler 13, another road enters the feed-water heater 27 of kiln tail boiler 12, enters the kiln tail drum 16 of kiln tail boiler 12 after feed-water heater 27 heating.Water in the kiln tail drum 16 of the kiln hood drum 21 of kiln hood boiler 13 and kiln tail boiler 12 arrives separately drum 21,16 by natural circulation mode evaporimeter 19, the 15 heat absorption boiling backs of respectively hanging oneself.The saturated vapor of separating from kiln hood drum 21 and kiln tail drum 16 is through separately low temperature superheater 18,14 overheated after, become superheated steam, by low temperature superheater 18 is set, 14 heating surface size, can so that the vapor (steam) temperature that the steam that comes out from the superheater 14 of kiln tail boiler 12 and superheater 18 from kiln hood boiler 13 come out near or identical, two bursts of temperature near or identical superheated steam after Rendezvous Point 29 compiles, enter public high temperature superheater 28 carry out again overheated, deliver to steam turbine 22 expansion workings after overheated, become condensate water through condenser 25 coolings, it is got to oxygen-eliminating device 24 by condensate pump 26.
Feed-water heater 27 is set up in the bottom of the evaporimeter 15 of present embodiment in kiln tail boiler 12, is used for the occasion that needs further reduce kiln tail boiler export EGT.
The utility model can also have other embodiment, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the claimed scope of the utility model.

Claims (5)

1. cement kiln pure middle and low temperature afterheat generating system, comprise chamotte cooler (1), kiln tail preheater (7), kiln hood boiler (13), kiln tail boiler (12), kiln hood drum (21), kiln tail drum (16), steam turbine (22), boiler feed pump (23), deduster (8), blower fan (9), chimney (10), be provided with feed end (2) in the chamotte cooler (1), discharge end (3), chamotte cooler (1) is provided with anterior suction opeing (34) near feed end (2), the middle part is provided with middle part suction opeing (5), be provided with afterbody suction opeing (6) near discharge end (3), be provided with one group of blower fan (4) in the middle of chamotte cooler (1) bottom, the both sides, bottom respectively are provided with one group of blower fan, middle part suction opeing (5) links to each other with the exhaust gas inlet of kiln hood boiler (13), afterbody suction opeing (6) is by deduster (8), blower fan (9) links to each other with chimney (10), the outlet of kiln tail preheater (7) links to each other with the exhaust gas inlet of kiln tail boiler (12), be provided with low temperature superheater (14) in the kiln tail boiler (12), evaporimeter (15), be provided with low temperature superheater (18) in the kiln hood boiler (13), evaporimeter (19), feed-water heater (20), boiler feed pump (23) links to each other with the import of feed-water heater (20), the outlet of feed-water heater (20) connects kiln hood drum (21) and kiln tail drum (16) respectively by pipeline, the outlet of kiln hood drum (21) links to each other with the import of low temperature superheater (18), evaporimeter (20) is connected on the kiln hood drum (21), the outlet of kiln tail drum (16) links to each other with the import of low temperature superheater (14), evaporimeter (15) is connected on the kiln tail drum (16), it is characterized in that: described chamotte cooler (1) is provided with anterior suction opeing (34) near feed end 2, described kiln hood boiler (13) is provided with two exhaust gas inlet (36,37), an exhaust gas inlet (37) is positioned at kiln hood boiler (13) top, another exhaust gas inlet (36) is positioned at the bottom of exhaust gas inlet (37), be provided with public high temperature superheater (28) near exhaust gas inlet (37) in the kiln hood boiler (13), described anterior suction opeing (34) joins by the exhaust gas inlet (37) on pipeline and kiln hood boiler (13) top, described middle part suction opeing (5) joins by the exhaust gas inlet (36) of pipeline and exhaust gas inlet (37) bottom, the low temperature superheater (14) of described kiln tail boiler (12) is connected to a Rendezvous Point (29) with the outlet of the low temperature superheater (18) of kiln hood boiler (13) by pipeline, the outlet of described Rendezvous Point (29) is joined by the import of pipeline and public high temperature superheater (28), and the outlet of described public high temperature superheater (28) is joined by pipeline and steam turbine (22).
2. a kind of cement kiln pure middle and low temperature afterheat generating system as claimed in claim 1, it is characterized in that: described kiln hood boiler (13) is the U type, two furnace chambers about being provided with, about two furnace chamber bottoms link to each other by mixing expansion chamber (35), furnace chamber top, a left side is provided with exhaust gas inlet (37), be provided with public high temperature superheater (28) near exhaust gas inlet (37), left side furnace chamber lower side is provided with another exhaust gas inlet (36), right furnace chamber is provided with feed-water heater (20), evaporimeter (19), superheater (18) from top to bottom successively, and right furnace chamber top is provided with waste gas outlet (39).
3. a kind of cement kiln pure middle and low temperature afterheat generating system as claimed in claim 1 or 2, it is characterized in that: the bottom of the evaporimeter (15) in the described kiln tail boiler (12) is provided with feed-water heater (27), the import of described feed-water heater (27) links to each other by the outlet of the interior feed-water heater (20) of pipeline and kiln hood boiler (13), and the outlet of described feed-water heater (27) links to each other with kiln tail drum (16) by pipeline.
4. a kind of cement kiln pure middle and low temperature afterheat generating system as claimed in claim 1 or 2, it is characterized in that: in the described chamotte cooler (1), anterior suction opeing (34) is provided with baffle plate (33) before, be provided with baffle plate (30) between anterior suction opeing (34) and the middle part suction opeing (5), be provided with baffle plate (31) between middle part suction opeing (5) and the afterbody suction opeing (6).
5. a kind of cement kiln pure middle and low temperature afterheat generating system as claimed in claim 1 or 2, it is characterized in that: be connected to a pipeline (32) on the tube connector between described blower fan (9) and the chimney (10), pipeline (32) links to each other with the import of the blower fan (4) of centre, chamotte cooler (1) bottom.
CNU2007200385673U 2007-07-13 2007-07-13 Pure middle-low-temperature waste heat power generation system of cement kiln Expired - Lifetime CN201059880Y (en)

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Cited By (13)

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Publication number Priority date Publication date Assignee Title
CN101793467A (en) * 2010-02-10 2010-08-04 洛阳水泥工程设计研究院有限公司 Pure medium-low temperature waste heat generating system in cement kiln
CN101871732A (en) * 2010-06-30 2010-10-27 成都四通科技投资有限公司 Single-pressure recovery generating system of waste heat of dry method cement production line
CN102261852A (en) * 2011-06-30 2011-11-30 西安交通大学 Structure of lime kiln residual heat recovery device
CN102865746A (en) * 2011-07-04 2013-01-09 广东开能环保能源有限公司 Improved waste heat power generation system for cement industry
CN103344125A (en) * 2013-07-25 2013-10-09 南京凯盛开能环保能源有限公司 Power generation system with waste heat in casting process of submerged arc furnace comprehensively utilized
CN104654816A (en) * 2015-02-10 2015-05-27 南京凯盛开能环保能源有限公司 Cement kiln waste-heat utilization system and method for directly driving rotating equipment by turbine
CN104949534A (en) * 2015-06-09 2015-09-30 华润水泥技术研发有限公司 Cement kiln head waste heat power generation method and system
CN105351021A (en) * 2015-11-09 2016-02-24 哈尔滨工大金涛科技股份有限公司 Non-clean-water-source waste heat power generation device and method
CN106640221A (en) * 2016-10-10 2017-05-10 南京凯盛开能环保能源有限公司 Efficient cement kiln waste heat recovery and power generation system and method
CN107062921A (en) * 2017-04-18 2017-08-18 长沙紫宸科技开发有限公司 A kind of carbon dioxide energy storage equipment of accumulation kiln tail preheater expects pipe high temperature heat
CN109028980A (en) * 2018-07-03 2018-12-18 温州市骐邦环保科技有限公司 A kind of cement kiln pure low-temperature cogeneration device
CN110017694A (en) * 2019-05-07 2019-07-16 周红 A kind of residual heat from kiln furnace cascade utilization device and method
WO2021069386A1 (en) * 2019-10-10 2021-04-15 Thyssenkrupp Industrial Solutions Ag Separation of water from the flue gas of a clinker kiln installation

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793467A (en) * 2010-02-10 2010-08-04 洛阳水泥工程设计研究院有限公司 Pure medium-low temperature waste heat generating system in cement kiln
CN101871732A (en) * 2010-06-30 2010-10-27 成都四通科技投资有限公司 Single-pressure recovery generating system of waste heat of dry method cement production line
CN102261852A (en) * 2011-06-30 2011-11-30 西安交通大学 Structure of lime kiln residual heat recovery device
CN102865746A (en) * 2011-07-04 2013-01-09 广东开能环保能源有限公司 Improved waste heat power generation system for cement industry
CN103344125A (en) * 2013-07-25 2013-10-09 南京凯盛开能环保能源有限公司 Power generation system with waste heat in casting process of submerged arc furnace comprehensively utilized
CN104654816A (en) * 2015-02-10 2015-05-27 南京凯盛开能环保能源有限公司 Cement kiln waste-heat utilization system and method for directly driving rotating equipment by turbine
CN104949534B (en) * 2015-06-09 2017-02-01 华润水泥技术研发有限公司 Cement kiln head waste heat power generation method and system
CN104949534A (en) * 2015-06-09 2015-09-30 华润水泥技术研发有限公司 Cement kiln head waste heat power generation method and system
CN105351021A (en) * 2015-11-09 2016-02-24 哈尔滨工大金涛科技股份有限公司 Non-clean-water-source waste heat power generation device and method
CN106640221A (en) * 2016-10-10 2017-05-10 南京凯盛开能环保能源有限公司 Efficient cement kiln waste heat recovery and power generation system and method
CN106640221B (en) * 2016-10-10 2018-03-13 南京凯盛开能环保能源有限公司 A kind of cement kiln efficient waste heat recovery electricity generation system and method
CN107062921A (en) * 2017-04-18 2017-08-18 长沙紫宸科技开发有限公司 A kind of carbon dioxide energy storage equipment of accumulation kiln tail preheater expects pipe high temperature heat
CN109028980A (en) * 2018-07-03 2018-12-18 温州市骐邦环保科技有限公司 A kind of cement kiln pure low-temperature cogeneration device
CN110017694A (en) * 2019-05-07 2019-07-16 周红 A kind of residual heat from kiln furnace cascade utilization device and method
CN110017694B (en) * 2019-05-07 2024-02-13 周红 Kiln waste heat cascade utilization device and method
WO2021069386A1 (en) * 2019-10-10 2021-04-15 Thyssenkrupp Industrial Solutions Ag Separation of water from the flue gas of a clinker kiln installation

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