CN208547259U - A kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station - Google Patents
A kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station Download PDFInfo
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- CN208547259U CN208547259U CN201821017700.1U CN201821017700U CN208547259U CN 208547259 U CN208547259 U CN 208547259U CN 201821017700 U CN201821017700 U CN 201821017700U CN 208547259 U CN208547259 U CN 208547259U
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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Abstract
The utility model relates to a kind of kiln cylinder body steam heat-exchanging systems for the low pressure filling of cement kiln power station.Array kiln cylinder body steam generator is fixed on outside rotary kiln cylinder, insulating layer is respectively equipped with outside kiln cylinder body steam generator, low pressure hot water section bottom nozzle I connects water supply, upper port II meets the water inlet A of kiln hood waste heat boiler low-pressure drum, the decline nozzle B a-road-through of kiln hood waste heat boiler low-pressure drum crosses the rising nozzle C that low pressure evaporator connects kiln hood waste heat boiler low-pressure drum, another way connects the regulating valve on each group kiln cylinder body steam generator water inlet by forced circulation water pump respectively, water outlet on each group kiln cylinder body steam generator meets the rising nozzle C of kiln hood waste heat boiler low-pressure drum respectively, the low pressure main steam nozzle D of kiln hood waste heat boiler low-pressure drum connects steam turbine by low-pressure superheater.This system, which can sufficiently recycle the radiation loss of kiln cylinder body outer surface and heat dissipation is converted into low-pressure steam, is sent into steam turbine progress filling, and then improves generating capacity.
Description
Technical field
The utility model relates to a kind of Waste Heat Power Station low pressure filling process systems, in particular to a kind of to be used for cement kiln power station
The kiln cylinder body steam heat-exchanging system of low pressure filling.
Background technique
Rotary kiln is the Thermal Equipment heated to bulk material, be widely used in cement building material, nonferrous metallurgy,
The fields such as refractory material and industrial chemicals, meanwhile and a kind of highly energy-consuming equipment.Currently, in number of national energy conservation and emission reduction policy
Call together down, kiln hood, the kiln tail gas waste heat of most rotary kiln cylinders be able to recycle and achieve considerable economy and
Environmental benefit, but not yet carry out substantive recycling to the waste heat loss of kiln cylinder body outer surface.
Cylinder of rotary kiln hull-skin temperature is most of between 250-380 DEG C, and every square metre of barrel outer surface is per hour
Total radiation loss is in 2500 ~ 8200Kcal or so.Since kiln cylinder body is in suspending rotary and front and back play state, must assure that not
The production and barrel temperature detection of rotary kiln are influenced, therefore recycling kiln cylinder body outer surface heat loss technical difficulty is larger, until current
Other than part of cement factory utilizes a small amount of cylinder of rotary kiln outer surface waste heat to produce hot water for life heat, heating (only
Winter comes into operation), there is no sufficiently recycle and efficiently use the radiation loss of kiln cylinder body outer surface.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in above-mentioned background technique, provide a kind of low for cement kiln power station
Press the kiln cylinder body steam heat-exchanging system of filling.
The purpose is to the low-pressure steams for generating kiln cylinder body steam generator to access kiln head boiler low-pressure system, for improving
It generates low-pressure steam amount and filling is carried out to steam turbine, and then improve generating capacity.
To achieve the above object, used specific technical solution is the utility model: one kind being used for cement kiln power station
The kiln cylinder body steam heat-exchanging system of low pressure filling, steam turbine, kiln hood waste heat boiler low pressure stage, kiln including cement kiln Waste Heat Power Station
Head waste heat boiler low-pressure drum, rotary kiln cylinder, the kiln hood waste heat boiler low pressure stage include low pressure hot water section, low pressure evaporation
Device, low-pressure superheater；
It is characterized by also including low pressure kiln cylinder body steam generator, rise connecting tube, forced circulation water pump, decline company
Adapter tube, regulating valve；
Kiln cylinder body steam generator horizontal interval described in array sticking and being fixed on outside rotary kiln cylinder, at every group
Insulating layer is respectively equipped with outside kiln cylinder body steam generator, the low pressure hot water section bottom nozzle I of kiln hood waste heat boiler low pressure stage connects
Water supply, low pressure hot water section upper port II are connect with the water inlet A of kiln hood waste heat boiler low-pressure drum, kiln hood waste heat boiler low-pressure steam
The decline nozzle B of packet by decline connecting tube connect all the way with low pressure evaporator bottom nozzle III, low pressure evaporator upper port IV and
The rising nozzle C connection of kiln hood waste heat boiler low-pressure drum, another way are connected by decline connecting tube and forced circulation water pump one end
It connects, the forced circulation water pump other end is connect with the regulating valve on each group kiln cylinder body steam generator water inlet respectively, each group kiln cylinder
Water outlet on body steam generator is connect by rising connecting tube with the rising nozzle C of kiln hood waste heat boiler low-pressure drum, kiln
The low pressure main steam nozzle D of head waste heat boiler low-pressure drum is connect by low-pressure superheater with steam turbine.
The beneficial effects of the utility model are: array kiln cylinder body steam generator uses parallel way, each group radiation is heated
There is insulating layer in face outside kiln cylinder body circumference, heating surface, ensure that the abundant recycling of kiln cylinder body outer surface heat.
By in kiln cylinder body steam generator water and the heat exchange of rotary kiln cylinder after, through kiln hood waste heat boiler low-pressure drum
The saturated vapor of generation is sent into steam turbine and carries out filling, and steam turbine drives generator rotation, and then improves generating capacity.
This system can sufficiently recycle the radiation loss of kiln cylinder body outer surface and heat dissipation is converted into low-pressure steam, to reduction energy
Source consumption, improvement environmental condition, raising Business Economic Benefit are significant.
This system is simple and easy, safe and reliable, has gone into operation Waste Heat Power Station and installed capacity of power station particularly with having built
Its meaning of the enterprise of larger actual power scarce capacity is bigger.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model；
Fig. 2 is the usage state diagram of the utility model kiln cylinder body steam generator；
Fig. 3 is the structural schematic diagram of the utility model kiln cylinder body steam generator.
Specific embodiment
It is described below in conjunction with attached drawing.
As shown in attached drawing 1,2,3, a kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station, including water
Steam turbine 1, kiln hood waste heat boiler low pressure stage 2, kiln hood waste heat boiler low-pressure drum 3, the rotary kiln cylinder of stall Waste Heat Power Station
4, further include low pressure kiln cylinder body steam generator 5, rise connecting tube 6, forced circulation water pump 7, decline connecting tube 8, regulating valve 9.
Kiln hood waste heat boiler low pressure stage 2 includes low pressure hot water section 2-1, low pressure evaporator 2-2, low-pressure superheater 2-3.
Kiln cylinder body steam generator 5 include supervisor 5-1, side pipe 5-2, arcuation pipe 5-3, a supervisor 5-1 respectively with two
Side pipe 5-2 is linked together by several arcuation pipe 5-3 and constitutes one group of semicircle shape radiation heating-surface, and 5-1 and two lateral canals are responsible for
The both ends of 5-2 are closed end, the setting of several intervals arcuation pipe 5-3, several arcuation pipe 5-3 respectively with 5-1 and two side of supervisor
Pipe 5-2 is communicated, and is equipped with a mouth of a river on supervisor 5-1, one is respectively equipped on two lateral canal 5-2 and is communicated with side pipe 5-2
Elbow is respectively equipped with a connecting flange 5-4 on two elbows.
Two groups of semicircle shape radiation heating-surfaces are butted against and fixed by respective two connecting flange 5-4 and constitute ring-type together
Body, the mouth of a river that upper half round shape radiation heating-surface is responsible for 5-1 is water outlet 5-5, and lower half round shape radiation heating-surface is responsible for the mouth of a river of 5-1
For water inlet 5-6.
The corresponding spiral-lock at three groups of kiln cylinder body steam generators, 5 respective two groups of semicircle shape radiation heating-surface intervals is existed
On the periphery of rotary kiln cylinder 4, every group of two groups of semicircle shape radiation heating-surfaces stick on the outside of rotary kiln cylinder 4
On, every group of two connecting flange 5-4 are docked and are bolted on together, are spaced three groups of kiln cylinder body steam generators 5
The outside for being fixed on rotary kiln cylinder 4, be respectively equipped with insulating layer on the outside of every group of kiln cylinder body steam generator 5.
The low pressure hot water section 2-1 bottom nozzle I of kiln hood waste heat boiler low pressure stage 2 is connect into water supply, low pressure hot water section 2-1 upper port
II connect with the water inlet A of kiln hood waste heat boiler low-pressure drum 3, under the decline nozzle B of kiln hood waste heat boiler low-pressure drum 3 passes through
Drop 8 one tunnel of connecting tube is connect with low pressure evaporator 2-2 bottom nozzle III, low pressure evaporator 2-2 upper port IV and kiln hood waste heat boiler
The rising nozzle C connection of low-pressure drum 3, another way are connect with 7 one end of forced circulation water pump by declining connecting tube 8, force to follow
7 other end of ring water pump is connect with the regulating valve 9 on three groups of 5 water inlet 5-6 of kiln cylinder body steam generator respectively, and three groups of kiln cylinder bodies steam
Water outlet 5-5 on vapour generator 5 is connect by rising connecting tube 6 with the rising nozzle C of kiln hood waste heat boiler low-pressure drum 3,
The low pressure main steam nozzle D of kiln hood waste heat boiler low-pressure drum 3 is connect by low-pressure superheater 2-3 with steam turbine 1.
The specific amount of determination of array kiln cylinder body steam generator 5, the heat exchange area according to needed for thermodynamic computing and revolution
The architectural characteristic of kiln kiln cylinder body determines jointly.The present embodiment is three groups of kiln cylinder body steam generators 5.
A kind of implementation method of the kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station, steps are as follows:
Outer water supply is introduced into low pressure hot water section 2-1 by the bottom nozzle I of low pressure hot water section 2-1, adds through low pressure hot water section 2-1
Low pressure hot water section 2-1 upper port II is passed sequentially through after heat, the water inlet A of kiln hood waste heat boiler low-pressure drum 3 enters kiln hood waste heat
In boiler low-pressure drum 3, then water is by the decline nozzle B of kiln hood waste heat boiler low-pressure drum 3 by decline 8 a-road-through of connecting tube
It crosses in the entrance of low pressure evaporator 2-2 bottom nozzle III low pressure evaporator 2-2 and saturated water is heated into steam water interface, then pass through kiln hood
The rising nozzle C of waste heat boiler low-pressure drum 3 enters in kiln hood waste heat boiler low-pressure drum 3, and another way is through forced circulation water pump 7
By water by each group regulating valve 9 and water inlet 5-6 that are connect with array kiln cylinder body steam generator 5, sent out into kiln cylinder body steam
In raw 5 each group radiation heating-surface of device, kiln cylinder body steam generator 5 hands over the water in radiation heating-surface with 4 heat of rotary kiln cylinder
After changing, then by each group kiln cylinder body steam generator 5 water outlet 5-5 through rising connecting tube 6 and kiln hood waste heat boiler low-pressure drum 3
Rise nozzle C to enter in kiln hood waste heat boiler low-pressure drum 3, the steam water interface into kiln hood waste heat boiler low-pressure drum 3
After the separation of 3 steam-water separator of kiln hood waste heat boiler low-pressure drum, the saturated vapor of generation enters kiln hood waste heat pot with preceding all the way
The saturated vapor generated in furnace low-pressure drum 3 is sent into after saturated vapor is heated into superheated steam by low-pressure superheater 2-3 together
Steam turbine 1 carries out filling, and steam turbine 1 drives generator rotation, and then improves generating capacity.
The saturated water separated through 3 steam-water separator of kiln hood waste heat boiler low-pressure drum passes through decline 8 one tunnel of connecting tube
It is sent into kiln hood waste heat boiler low-pressure drum 3 again by low pressure evaporator 2-2, another way is again by forced circulation water pump 7
The water of heating is sent into waste heat boiler low-pressure drum 3 after the heat exchange of 5 each group heating surface of kiln cylinder body steam generator, it is so past
The superheated steam of generation is sent into steam turbine 1 by multiple circulation.
Steam turbine 1 converts heat into mechanical energy；Low pressure hot water section 2-1 heat medium water；Low pressure evaporator 2-2 will be saturated
Water is heated into steam water interface；Saturated vapor is heated into superheated steam by low-pressure superheater 2-3；Kiln hood waste heat boiler low-pressure drum
3 separate steam water interface；Saturated water is heated into steam water interface, forced circulation by low pressure kiln cylinder body steam generator 5
Water pump 7 increases circulating ratio；Regulating valve 9 is used to adjust the flow of water.
By taking 5000t/h grout line rotary kiln as an example, this grout line rotary kiln barrel diameter is 4600mm, length 54m；
8 groups of kiln cylinder body steam generators 5 are arranged along kiln cylinder body length direction, use parallel way between each group；The temperature of kiln cylinder body outer surface
Degree after medium is by radiation heat transfer between heating surface and kiln cylinder body, can produce 2t steam, such as between 280 ~ 380 DEG C per hour
Fruit by kiln cylinder body outer surface heat dissipation production 2t/h low-pressure saturated steam be used to generate electricity, power station generating capacity can be improved 200KW with
On, if year generation economic benefit 200 kilowatts × 7000 is small under the conditions of power station year operation 7000 hours, electric 0.6 yuan of the electricity price of every degree
When/year × 0.6 yuan/kilowatt hour=840,000 yuan.
Claims (2)
1. a kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station, the steamer including cement kiln Waste Heat Power Station
Machine (1), kiln hood waste heat boiler low pressure stage (2), kiln hood waste heat boiler low-pressure drum (3), rotary kiln cylinder (4), the kiln hood
Waste heat boiler low pressure stage (2) includes low pressure hot water section (2-1), low pressure evaporator (2-2), low-pressure superheater (2-3)；
It is characterized by also including low pressure kiln cylinder body steam generator (5), rise connecting tube (6), forced circulation water pump (7), under
Connecting tube (8), regulating valve (9) drop；
Kiln cylinder body steam generator (5) horizontal interval described in array sticking and being fixed on outside rotary kiln cylinder (4), every
Insulating layer, the low pressure hot water section of kiln hood waste heat boiler low pressure stage (2) are respectively equipped with outside group kiln cylinder body steam generator (5)
(2-1) bottom nozzle I meets water supply, the water inlet A of low pressure hot water section (2-1) upper port II and kiln hood waste heat boiler low-pressure drum (3)
Connection, the decline nozzle B of kiln hood waste heat boiler low-pressure drum (3) by decline connecting tube (8) all the way with low pressure evaporator (2-2)
Bottom nozzle III connects, and low pressure evaporator (2-2) upper port IV is connect with the rising nozzle C of kiln hood waste heat boiler low-pressure drum (3),
Another way by decline connecting tube (8) connect with forced circulation water pump (7) one end, forced circulation water pump (7) other end respectively with
Regulating valve (9) on each group kiln cylinder body steam generator (5) water inlet (5-6) connects, on each group kiln cylinder body steam generator (5)
Water outlet (5-5) by rise connecting tube (6) connect with the rising nozzle C of kiln hood waste heat boiler low-pressure drum (3), more than kiln hood
The low pressure main steam nozzle D of heat boiler low-pressure drum (3) is connect by low-pressure superheater (2-3) with steam turbine (1).
2. a kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station according to claim 1, special
Sign is: the kiln cylinder body steam generator (5) includes supervisor (5-1), side pipe (5-2), arcuation pipe (5-3)；
A piece supervisor (5-1) is linked together by several arcuation pipes (5-3) with two lateral canals (5-2) constitute one group respectively
Semicircle shape radiation heating-surface, the both ends for being responsible for (5-1) and two lateral canals (5-2) are closed end, several arcuation pipe (5-3) intervals
Setting, several arcuation pipes (5-3) communicate with supervisor (5-1) and two lateral canals (5-2) respectively, and one is equipped on supervisor (5-1)
The mouth of a river is respectively equipped with the elbow communicated with side pipe (5-2) on two lateral canals (5-2), is respectively equipped with one on two elbows
A connecting flange (5-4)；
Two groups of semicircle shape radiation heating-surfaces are butted against and fixed by respective two connecting flanges (5-4) and constitute ring-type together
Body, the mouth of a river that upper half round shape radiation heating-surface is responsible for (5-1) is water outlet (5-5), and lower half round shape radiation heating-surface is responsible for (5-1)
The mouth of a river be water inlet (5-6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017700.1U CN208547259U (en) | 2018-06-29 | 2018-06-29 | A kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017700.1U CN208547259U (en) | 2018-06-29 | 2018-06-29 | A kind of kiln cylinder body steam heat-exchanging system for the low pressure filling of cement kiln power station |
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| CN208547259U true CN208547259U (en) | 2019-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800961A (en) * | 2018-06-29 | 2018-11-13 | 天津健威泽节能环保科技股份有限公司 | Kiln cylinder body steam heat-exchanging system and implementation method for the low pressure filling of cement kiln power station |
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2018
- 2018-06-29 CN CN201821017700.1U patent/CN208547259U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800961A (en) * | 2018-06-29 | 2018-11-13 | 天津健威泽节能环保科技股份有限公司 | Kiln cylinder body steam heat-exchanging system and implementation method for the low pressure filling of cement kiln power station |
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