CN209725840U - A kind of cement kiln oxygen-enriching device nitrogen effective use system - Google Patents
A kind of cement kiln oxygen-enriching device nitrogen effective use system Download PDFInfo
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- CN209725840U CN209725840U CN201920380273.1U CN201920380273U CN209725840U CN 209725840 U CN209725840 U CN 209725840U CN 201920380273 U CN201920380273 U CN 201920380273U CN 209725840 U CN209725840 U CN 209725840U
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- nitrogen
- pipe
- oxygen
- cement kiln
- pipeline
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a kind of cement kiln oxygen-enriching device nitrogen effective use system, including surge tank, surge tank lower part is equipped with nitrogen inlet, the second nitrogen outlet, the first nitrogen outlet is equipped at the top of surge tank, nitrogen inlet is connected by first pipe with cement kiln with oxygen-enriching device nitrogen outlet general pipeline；First nitrogen outlet is connected in cement clinker production line coal mill system pulverized coal bin warehouse by second pipe, and second pipe is equipped with first flowmeter and first flow regulating valve, is equipped with first pressure gauge at the top of pulverized coal bin；Second nitrogen outlet is connected to coal feeding system horizontal rotation batcher feeder pipe by third pipeline and helps stream air element, third pipeline is equipped with second flowmeter, second flow regulating valve, check valve, second pressure gauge, threeway, and the threeway other end is connected to coal feeding system original air by pipeline and helps circulation road.The drying of using oxygen-enriching device to produce using cement kiln, nitrogen at room are energy saving, increase income, be safely operated as the protection gas of cement kiln coal mill system.
Description
Technical field
The utility model relates to technical field of air separation, and in particular to a kind of cement kiln is effective with oxygen-enriching device nitrogen
Utilize system.
Background technique
Cement clinker production line coal mill system pulverized coal scale is the air that certain pressure is conveyed by roots blower mostly at present
Pulverized coal conveying, and coal point front end introduces helping stream, purging for air progress pulverized coal scale self structure under pulverized coal scale.Main purpose
Be pulverized coal conveying, increase the mobility of coal dust, guarantee is delivered coal accurate measurement, stabilization, avoid coal dust locally sedimentation, accumulate and warm
Degree raising, spontaneous combustion, to reduce the probability of happening of coal mill system deflagration accident.But in actual production operational process, coal quality fluctuation,
Pulverized coal particle is uneven, coal dust poor fluidity, is easy moisture condensation and accumulates, pulverized coal bin deflagration accident happens occasionally.
With the successful application of Deep Cooling Method direct sending oxygen enriching process and device in cement kiln system, domestic each cement producer
This technology and equipment is paid much attention to.However, in Deep Cooling Method direct sending oxygen enriching process and oxygen-enriched being utilized effectively of device offer
While, the device there are also high-purities more than needed dry, nitrogen at room and liquid nitrogen generate, and high-purity nitrogen more than needed is by vain
Emptying is a kind of greatly waste for enterprise.
Utility model content
The purpose of the utility model is to provide a kind of cement kiln oxygen-enriching device nitrogen to efficiently use system, existing to solve
There is the deficiency of technology.
The utility model uses following technical scheme:
A kind of cement kiln oxygen-enriching device nitrogen effective use system, including surge tank, surge tank lower part is equipped with nitrogen
Import, the second nitrogen outlet, surge tank top are equipped with the first nitrogen outlet, and nitrogen inlet is used by first pipe and cement kiln
The general pipeline connection of oxygen-enriching device nitrogen outlet；First nitrogen outlet is connected to cement clinker production line coal mill system coal by second pipe
In powder cabin warehouse, second pipe is equipped with first flowmeter and first flow regulating valve, is equipped with first pressure gauge at the top of pulverized coal bin；
Second nitrogen outlet is connected to coal feeding system horizontal rotation batcher feeder pipe by third pipeline and helps stream air element, third pipeline
It is equipped with second flowmeter, second flow regulating valve, check valve, second pressure gauge, threeway, the threeway other end is connected to by pipeline
Coal feeding system original air helps circulation road.
Further, third pipe end is divided to two hose branches, and a hose branch and coal feeding system feeder pipe help stream
Air element helps flow tube road one end to connect, another hose branch and the flow tube road other end is helped connect, and flow tube road is helped to divide three to manage
Road is passed through feeder pipe and helps in stream air element.
Further, surge tank is additionally provided with nitrogen alternate outlets, and nitrogen alternate outlets are connected in coal pulverizer by pipeline.
It further, further include pedestal, surge tank is set on pedestal.
Further, first pipe is the galvanized pipe of bore 140mm, tube wall 4.5mm.
Further, second pipe and third pipeline are the galvanized pipe of bore 50mm, tube wall 4.5mm.
The utility model has the beneficial effects that
1, the utility model using cement kiln use oxygen-enriching device produce drying, nitrogen at room as cement kiln coal mill
The protection gas of system, cement kiln coal mill system is effectively protected, and cement kiln is obtained with the nitrogen that oxygen-enriching device produces
Effective use, the beneficial effect for realizing energy conservation, increasing income, being safely operated.
2, the utility model is led in the pulverized coal bin of coal mill system using dry, 15 DEG C of room temperature nitrogen, complete in pulverized coal bin
It is isolated entirely with oxygen in air, prevents spontaneous combustion of pulverized coal explosion.
3, the utility model helps stream air element towards coal feeding system feeder pipe using drying, 15 DEG C of room temperature of nitrogen, replaces
It changes high temperature, help stream air containing wet (50 DEG C or so), avoid coal dust and help and flow down coal, coal dust moisture condensation in purge, accumulate, and is empty
The possibility that gas friction, exothermic oxidation, spontaneous combustion are exploded.
4, the utility model avoids CO, temperature online detects, bag gathers dust failure to the potential safety of coal mill system bring
Problem.
5, the utility model third pipe end is divided to two hose branches, and a hose branch and coal feeding system feeder pipe help
Stream air element helps flow tube road one end to connect, another hose branch and the flow tube road other end is helped to connect, and flow tube road is helped to divide three
A pipeline, which leads to feeder pipe, to be helped in stream air element, ensure that the nitrogen pressure helped in three, flow tube road pipeline, flow are opposite
Equilibrium helps stream effect good.
6, the utility model also retains coal feeding system original air and helps flow tube road, in the case where no nitrogen, feeds coal measures
System can also be run.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model partial schematic diagram one.
Fig. 3 is the utility model partial schematic diagram two.
Fig. 4 is the utility model partial schematic diagram three.
Specific embodiment
The utility model is done below with reference to embodiment and attached drawing and is further explained.The following example is merely to illustrate
The utility model, but be not used to limit the scope of the utility model.
A kind of cement kiln oxygen-enriching device nitrogen effective use system, as shown in Figures 1 to 4, including surge tank 2, pedestal
5.Surge tank 2 is set on pedestal 5.2 lower part of surge tank is equipped with nitrogen inlet, the second nitrogen outlet, is equipped with first at the top of surge tank 2
Nitrogen outlet.Surge tank 2 is additionally provided with safety valve, pressure gauge, maintenance door, bottom discharge valve (not illustrating in figure).Nitrogen inlet
Pass through first pipe 19 and the cement kiln connection of oxygen-enriching device nitrogen outlet general pipeline 1.First pipe 19 be bore 140mm,
The galvanized pipe of tube wall 4.5mm.First pipe 19 is equipped with shut-off valve, pressure gauge, flowmeter (not illustrating in figure).First nitrogen
Outlet is connected in 7 warehouse of cement clinker production line coal mill system pulverized coal bin by second pipe 17.Second pipe 17 is bore
The galvanized pipe of 50mm, tube wall 4.5mm.Second pipe 17 is equipped with first flowmeter 3 and first flow regulating valve 4.Pulverized coal bin 7 is pushed up
Portion is equipped with first pressure gauge 6.Second nitrogen outlet is connected to coal feeding system by third pipeline 18 and rotates horizontally batcher feeder pipe
It helps in stream air element 8.Third pipeline 18 is the galvanized pipe of bore 50mm, tube wall 4.5mm.Third pipeline 18 is equipped with second
Flowmeter 15, second flow regulating valve 14, check valve 13, second pressure gauge 12, threeway 11.11 other end of threeway is connected by pipeline
Circulation road 16 is helped to coal feeding system original air.Two hose branches, a hose branch and hello coal measures are divided in 18 end of third pipeline
System feeder pipe help stream air element 8 in helps 9 one end of flow tube road connect, another hose branch and help 9 other end of flow tube road connect
It connects, helps flow tube road 9 that three pipelines 10 is divided to be passed through feeder pipe and help in stream air element 8.
Surge tank 2 is additionally provided with nitrogen alternate outlets.Nitrogen alternate outlets are connected in coal pulverizer by pipeline (not to be illustrated in figure
Scheme).
The utility model uses the nitrogen of oxygen-enriching device production as the protection of cement kiln coal mill system using cement kiln
Gas, cement kiln coal mill system is effectively protected, and cement kiln is utilized effectively with the nitrogen that oxygen-enriching device produces, real
Existing energy conservation, the beneficial effect for increasing income, being safely operated.
Claims (6)
1. a kind of cement kiln efficiently uses system with oxygen-enriching device nitrogen, which is characterized in that including surge tank, surge tank lower part
Equipped with nitrogen inlet, the second nitrogen outlet, the first nitrogen outlet is equipped at the top of surge tank, nitrogen inlet passes through first pipe and water
The oxygen-enriching device nitrogen outlet general pipeline connection of stall furnace；First nitrogen outlet is connected to cement clinker production line coal by second pipe
In grinding system pulverized coal bin warehouse, second pipe is equipped with first flowmeter and first flow regulating valve, and the is equipped at the top of pulverized coal bin
One pressure gauge；Second nitrogen outlet is connected to coal feeding system and is rotated horizontally batcher feeder pipe and helped by third pipeline flows air list
Member, third pipeline are equipped with second flowmeter, second flow regulating valve, check valve, second pressure gauge, threeway, the threeway other end
Coal feeding system original air, which is connected to, by pipeline helps circulation road.
2. cement kiln according to claim 1 efficiently uses system with oxygen-enriching device nitrogen, which is characterized in that third pipe
Two hose branches are divided in road end, and what a hose branch and coal feeding system feeder pipe helped stream air element helps flow tube road one end to connect
Connect, another hose branch with help the flow tube road other end to connect, help flow tube road point three pipelines to be passed through feeder pipe and help stream air list
In member.
3. cement kiln according to claim 1 efficiently uses system with oxygen-enriching device nitrogen, which is characterized in that surge tank
Nitrogen alternate outlets are additionally provided with, nitrogen alternate outlets are connected in coal pulverizer by pipeline.
4. cement kiln according to claim 1 efficiently uses system with oxygen-enriching device nitrogen, which is characterized in that further include
Pedestal, surge tank are set on pedestal.
5. cement kiln according to claim 1 efficiently uses system with oxygen-enriching device nitrogen, which is characterized in that the first pipe
Road is the galvanized pipe of bore 140mm, tube wall 4.5mm.
6. cement kiln according to claim 1 efficiently uses system with oxygen-enriching device nitrogen, which is characterized in that the second pipe
Road and third pipeline are the galvanized pipe of bore 50mm, tube wall 4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380273.1U CN209725840U (en) | 2019-03-25 | 2019-03-25 | A kind of cement kiln oxygen-enriching device nitrogen effective use system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380273.1U CN209725840U (en) | 2019-03-25 | 2019-03-25 | A kind of cement kiln oxygen-enriching device nitrogen effective use system |
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| Publication Number | Publication Date |
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| CN209725840U true CN209725840U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920380273.1U Active CN209725840U (en) | 2019-03-25 | 2019-03-25 | A kind of cement kiln oxygen-enriching device nitrogen effective use system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189060A (en) * | 2020-02-26 | 2020-05-22 | 杭州特盈能源技术发展有限公司 | Method for conveying pulverized coal by oxygen-enriched air |
-
2019
- 2019-03-25 CN CN201920380273.1U patent/CN209725840U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189060A (en) * | 2020-02-26 | 2020-05-22 | 杭州特盈能源技术发展有限公司 | Method for conveying pulverized coal by oxygen-enriched air |
| CN111189060B (en) * | 2020-02-26 | 2022-02-15 | 杭州特盈能源技术发展有限公司 | Method for conveying pulverized coal by oxygen-enriched air |
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