CN108163551A - Low order fine coal air-transport system - Google Patents
Low order fine coal air-transport system Download PDFInfo
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- CN108163551A CN108163551A CN201711293994.0A CN201711293994A CN108163551A CN 108163551 A CN108163551 A CN 108163551A CN 201711293994 A CN201711293994 A CN 201711293994A CN 108163551 A CN108163551 A CN 108163551A
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- cyclone separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/60—Devices for separating the materials from propellant gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/06—Gas pressure systems operating without fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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Abstract
The invention discloses low order fine coal air-transport system, including：Air accumulator, Pneumatic conveyer, wind powder delivery main, the first cyclone separator group and bag filter.Wherein, air accumulator has gas outlet, gas returning port and air bleeding valve；Pneumatic conveyer has fine coal entrance, carrier gas inlet and is exported with wind powder, and carrier gas inlet is connected with gas outlet；The import of wind powder delivery main is connected with the outlet of wind powder, and the outlet of wind powder delivery main is connected with the feed inlet of furnace top bin；First cyclone separator group is connected with the gas outlet of furnace top bin；Gas returning port of the bag filter respectively with the first cyclone separator group and air accumulator is connected.It can not only realize that the steam exhaust of low-temperature rapid thermal solution stove pneumatically conveyed pulverized fuel in low order fine coal is recycled and reused using the system, moreover it is possible to effectively solve the problems, such as in the feed bin of pyrolysis oven top that fine coal airborne dust, inflammable and explosive and low order fine coal are delivered to gas powder after feed bin and are not readily separated and dedusting.
Description
Technical field
The invention belongs to chemical field, specifically, the present invention relates to low order fine coal air-transport systems.
Background technology
The characteristics of China's energy resource structure is " oil starvation, few gas, rich coal ".Oil and natural gas is external interdependent within the year two thousand thirty
Degree respectively reaches 71% and 42%；Rich coal resources in China, but middle low-rank coal (lignite, jet coal, bituminous coal) account for 55% with
On, other than raw coal is used for coking, conversion processing in addition to part, the overwhelming majority is for directly burning.Coal directly burns, and causes in coal
The petroleum resources being rich in are obtained adequately refining not yet and be utilized, and directly combustion thermal efficiency is low, serious to environmental disruption.
On March 9th, 2015, the Ministry of Industry and Information Technology, the Ministry of Finance, which combine, to be issued《Industrial circle Coal Clean efficiently utilizes action plan
(2015-2020)》, industrial circle Coal Cleanization is utilized and makes layout.
Therefore, how to realize that the high-efficiency cleaning of coal utilizes to have a very important significance.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose low order fine coal air-transport system.It can not only realize that low temperature is quick in low order fine coal using the system
The steam exhaust of pyrolysis oven pneumatically conveyed pulverized fuel recycles and reuses, moreover it is possible to effectively solve at the top of pyrolysis oven fine coal airborne dust in feed bin, it is inflammable easily
Quick-fried and low order fine coal is delivered to gas powder after feed bin and is not readily separated and the problem of dedusting.
The present invention is proposed based on problems with：
By the way that coal is pyrolyzed under an inert atmosphere, the products such as semicoke, coal gas and tar can be produced, and then can be real
The cascade utilization of existing coal significantly improves the comprehensive utilization ratio of coal.And low order fine coal is sent by pyrolysis oven by Geldart-D particle
It carries out in pyrolytic process, after low order fine coal to be delivered to the feed bin at the top of pyrolysis oven, since fine coal grain size is smaller, gas powder is not easy point
From, easy airborne dust, and it is inflammable and explosive, security risk is larger.
For this purpose, according to an aspect of the present invention, the present invention proposes a kind of low order fine coal air-transport system, including：
Air accumulator, the air accumulator have gas outlet, gas returning port and air bleeding valve；
Pneumatic conveyer, the Pneumatic conveyer have fine coal entrance, carrier gas inlet and are exported with the wind powder, institute
Carrier gas inlet is stated with the gas outlet to be connected；
Wind powder delivery main, the import of the wind powder delivery main are connected with wind powder outlet, the wind powder conveying
The outlet of manifold is connected with the feed inlet of furnace top bin；
First cyclone separator group, the first cyclone separator group are connected with the gas outlet of the furnace top bin；
Bag filter, the bag filter respectively with the first cyclone separator group and the return-air of the air accumulator
Mouth is connected.
Low order fine coal air-transport system according to the above embodiment of the present invention, can make fine coal in Pneumatic conveyer
It is sufficiently mixed with the gas in air accumulator, fine coal then is delivered to progress fine coal in furnace top bin using wind powder delivery main sinks
Drop detached with wind powder, then successively using the first cyclone separator and bag filter the lack of gas in furnace top bin are dusted with
Recycling, and clean air feeding air accumulator will be obtained by bag filter and is stored for future use.As a result, by using the present invention
Low order fine coal not only can be delivered to furnace top bin by the low order fine coal air-transport system of above-described embodiment by airlift
In, two-stage dedusting and recycling can also be carried out to the lack of gas in process of pneumatic transmission, realize no exhaust gas directly to idle discharge
Put, at the same effectively solve low order fine coal by airlift be delivered to gas powder after furnace top bin be not readily separated, easy airborne dust and inflammable
The problem of explosive, and then meet environmental protection and production safety requirement.In addition, the low order fine coal Geldart-D particle of the above embodiment of the present invention
System also has many advantages, such as that safe and reliable, stable, adaptability to raw materials is strong, charging is easy to control, flexible and pipe wear is smaller, fits
For long-term operation.
In addition, low order fine coal air-transport system according to the above embodiment of the present invention can also have following additional skill
Art feature：
In some embodiments of the invention, the furnace top bin includes the furnace top bin of multiple tops head and the tail connection, often
The feed inlet of a furnace top bin is connected respectively by wind powder delivery branch pipe with the wind powder delivery main.Thus, it is possible to
It effectively solves the problems, such as pyrolysis oven furnace top bin multi-point distribution in pyrolysis system, and realizes multistage furnace top bin fine coal sedimentation.
In some embodiments of the invention, the first cyclone separator group is arranged in the stove of terminal position
The top in liftout storehouse and the connection furnace top bin and the bag filter.Thus, it is possible to it is further reduced furnace top bin row
The coal amount carried in the lack of gas gone out, and significantly improve the dust removing effects to lack of gas.
In some embodiments of the invention, low order fine coal air-transport system further comprises：Second cyclone separator
Group, the second cyclone separator group are arranged in the top of the furnace top bin of head end position and the connection furnace roof material
Storehouse and the bag filter.Thus, it is possible to further improve the efficiency that the lack of gas after being detached to wind powder are dusted and recycle.
In some embodiments of the invention, the first cyclone separator group and the second cyclone separator group difference
It independently is secondary cyclone.Thus, it is possible to it further improves to the dust removing effects of lack of gas and powder coal yield.
In some embodiments of the invention, the row of the first cyclone separator group and the second cyclone separator group
Gas end is both provided with valve, and exhaust end is both provided with flapper.Safety inspection can be not only realized as a result, can also effectively be kept away
Exempt from the lack of gas in furnace top bin and directly enter cyclone separator from the exhaust end of cyclone separator group, and effectively recycle to lack of gas into
The fine coal obtained after row cyclone dust removal.
In some embodiments of the invention, it is provided with valve in the wind powder delivery branch pipe.It as a result, not only can be flexible
The storing amount in multiple furnace roof material is controlled, can also safety inspection be realized by the buffer action of valve.
In some embodiments of the invention, it is located at and the wind powder delivery branch pipe junction on the wind powder delivery main
Downstream be both provided with valve.Thus, it is possible to further control the storing amount in multiple furnace top bins, valve can also be passed through
Buffer action realize safety inspection.
In some embodiments of the invention, pass through positioned at the furnace top bin of head end position with the bag filter
Pipeline directly connects, and flapper is provided on the pipeline.It can be not only directly entered as a result, to avoid the lack of gas in furnace top bin
Bag filter, moreover it is possible to effectively recycle the fine coal obtained after bag-type dust.
In some embodiments of the invention, the valve is Pneumatic round-top valve or pneumatic gate valve.Thus, it is possible to pass through
Whether logic control feeding or is vented into each furnace top bin into bag filter.
Description of the drawings
Fig. 1 is the structure diagram of low order fine coal air-transport system according to an embodiment of the invention.
Fig. 2 is the structure diagram according to the low order fine coal air-transport system of another embodiment of the invention.
Fig. 3 is the structure diagram according to the low order fine coal air-transport system of further embodiment of the present invention.
Fig. 4 is the structure diagram according to the low order fine coal air-transport system of further embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
According to an aspect of the present invention, the present invention proposes a kind of low order fine coal air-transport system, as shown in Figure 1,
Including：Air accumulator 100, Pneumatic conveyer 200, wind powder delivery main 300, the first cyclone separator group 400 and bag-type dust
Device 500.
Wherein, air accumulator 100 has gas outlet 110, gas returning port 120 and air bleeding valve 130；Pneumatic conveyer 200 has
Fine coal entrance 210, carrier gas inlet 220 and with wind powder outlet 230, carrier gas inlet 220 is connected with gas outlet 110；Wind powder conveys
The import 310 of manifold 300 and wind powder outlet 230 is connected, the outlet 320 of wind powder delivery main 300 and furnace top bin 600 into
Material mouth 610 is connected；It is connected with the gas outlet 620 of furnace top bin 600；Bag filter 500 respectively with the first cyclonic separation
Device group 400 is connected with the gas returning port 120 of air accumulator 100.
Low order fine coal air-transport system according to the above embodiment of the present invention can make in Pneumatic conveyer 200
Gas in fine coal and air accumulator 100 is sufficiently mixed, and fine coal then is delivered to furnace top bin using wind powder delivery main 300
It carries out fine coal sedimentation in 600 to detach with wind powder, then successively using the first cyclone separator 400 and bag filter 500 to furnace roof
Lack of gas in feed bin are dusted and recycling, and clean air will be obtained by bag filter 500 and is sent into air accumulator 100
It stores for future use.It, not only can be by low order powder as a result, by using the low order fine coal air-transport system of the above embodiment of the present invention
Coal is delivered to by airlift in furnace top bin, and can also the lack of gas in process of pneumatic transmission be carried out with two-stage dedusting and recycled
It recycles, realizes that no exhaust gas directly puts idle discharge, while effectively solve low order fine coal and furnace top bin is delivered to by airlift
Afterwards gas powder be not readily separated, easy airborne dust and it is inflammable and explosive the problem of, and then meet environmental protection and safety in production requirement.In addition, this hair
The low order fine coal air-transport system of bright above-described embodiment also have it is safe and reliable, stablize, adaptability to raw materials is strong, charging controlling party
Just the advantages that, flexible and pipe wear is smaller, suitable for long-term operation.
It is described in detail below with reference to the low order fine coal air-transport system of Fig. 1-4 pairs of the above embodiment of the present invention.
According to a particular embodiment of the invention, as shown in Fig. 2, furnace top bin 600 can pass through connection including multiple tops
The furnace top bin that pipe 640 connects from beginning to end, the feed inlet 610 of each furnace top bin 600 pass through wind powder delivery branch pipe 330 and wind respectively
Powder delivery main 300 is connected.By using above-mentioned setting in the present invention, different wind powder delivery branch pipes 330 can be utilized right
Each furnace top bin carries out cloth respectively, and the fine coal in wind powder is made to be settled in different furnace top bins 600, realizes wind powder
Separation.Pyrolysis oven furnace top bin multi-point distribution in pyrolysis system not only can be effectively solved the problems, such as a result, can also be realized more
The fine coal sedimentation of grade furnace top bin, is sufficiently separated wind powder, and then further substantially reduce and taken in the lack of gas of the output of furnace top bin 600
The coal amount of band.
According to a particular embodiment of the invention, as shown in Fig. 2, the first cyclone separator group 400 can be arranged in end
The top of the furnace top bin 600 of end position and connection furnace top bin 600 and bag filter 500.Wind powder enters furnace top bin 600
Afterwards, fine coal settles and then realizes the separation of wind powder, by the way that the first cyclone separator group 400 is arranged in end position in the present invention
The top of furnace top bin 600 put can be such that the fine coal in wind powder is fully settled in multistage furnace top bin 600, and then into one
Step reduces the coal amount carried in the lack of gas that furnace top bin 600 is discharged, thus, it is possible to further improve what lack of gas were dusted
Efficiency and effect；In addition, by the way that the first cyclone separator group 400 is connected with bag filter 500, it can be to being removed by whirlwind
Lack of gas after dirt carry out two-stage dedusting, further recycle the fine coal in lack of gas and obtain clean air, wherein, it is obtained by two-stage dedusting
To clean gas disclosure satisfy that the quality requirement of reuse, air accumulator 100 can be sent into and stored for future use, thus, it is possible into one
Step, which improves the utilization rate of fine coal and realizes, directly puts idle discharge without exhaust gas, and then meet the requirement of environmental protection and safety in production.
According to a particular embodiment of the invention, as shown in figure 3, low order fine coal air-transport system may further include：
Second cyclone separator group 700, the second cyclone separator group 700 can be arranged in the furnace top bin 600 of head end position
Top and connection furnace top bin 600 and bag filter 500.By further setting the second cyclone separator group in the present invention
700, the efficiency that the lack of gas after being detached to wind powder are dusted and are recycled can be further improved, realizes no exhaust gas directly to sky
Discharge, and effectively solve low order fine coal by airlift be delivered to 600 gas powder after furnace top bin be not readily separated, easy airborne dust and
The problem of inflammable and explosive, and then meet the requirement of environmental protection and safety in production.
According to a particular embodiment of the invention, the first cyclone separator group 400 and the second cyclone separator group 700 can divide
Secondary cyclone independently is not it.Thus, it is possible to it further improves to the dust removing effects of lack of gas and powder coal yield.
According to a particular embodiment of the invention, the exhaust of the first cyclone separator group 400 and the second cyclone separator group 700
End can be both provided with valve, and exhaust end can be both provided with flapper, as shown in Fig. 2, 410 and 420 be respectively the first whirlwind
The valve of 400 exhaust end of separator group and the flapper of exhaust end.As a result, by respectively in cyclone separator group in the present invention
Exhaust end sets valve, and exhaust end setting flapper can not only realize safety inspection by the buffer action of valve and flapper
It repaiies, the lack of gas in furnace top bin can also effectively be avoided directly to enter cyclone separator from the exhaust end of cyclone separator group, it can
Coal dust effectively in recycling lack of gas.
According to a particular embodiment of the invention, valve can be provided in wind powder delivery branch pipe 330.In the present invention by
Valve is set in wind powder delivery branch pipe 330, not only can flexibly control the storing amount in multiple furnace roof material, and effectively avoid furnace roof
Fine coal in feed bin can also realize safety inspection higher than highest storing position 630 by the buffer action of valve.
According to a particular embodiment of the invention, it is located at and 330 junction of wind powder delivery branch pipe on wind powder delivery main 300
Downstream is both provided with valve.The storing amount in multiple furnace roof material not only can be further controlled as a result, and effectively avoids furnace roof
Fine coal in feed bin can also realize safety inspection higher than highest storing position 630 by the buffer action of valve.
According to a particular embodiment of the invention, pass through pipe positioned at the furnace top bin 600 of head end position and bag filter 500
Road directly connects, and flapper is provided on pipeline.As a result, not only it is possible to prevente effectively from the lack of gas in furnace top bin are directly entered cloth
Bag dust collector, moreover it is possible to effectively recycle the fine coal obtained after bag-type dust, and obtained fine coal feeding will be recycled positioned at head end
In position furnace top bin 600.
According to a particular embodiment of the invention, the Geldart-D particle that inert gas realizes low order fine coal may be used.According to this
The specific embodiment of invention, may be used nitrogen or carbon dioxide realizes the Geldart-D particle of low order fine coal.Thus, it is possible to further
Improve the safety of low order fine coal air-transport system.
According to a particular embodiment of the invention, when the gaseous mass in air accumulator 100 is deteriorated, air bleeding valve 130 can be opened
By portion gas dispatch to boiler secondary air hose, and the new inert gas in part is supplemented into air accumulator 100, and then ensure gas storage
Gaseous mass in tank 100 is qualified.
According to a particular embodiment of the invention, the valve in low order fine coal air-transport system can be Pneumatic round-top valve or
Pneumatic gate valve.Thus, it is possible to by the way that logic control device is set to control relevant Pneumatic round-top valve or pneumatic gate valve, and then
It can realize that Automatic Optimal charging control, automatic decision start cyclonic separation with the fine coal material position in automatic decision furnace top bin 600
Device group 400 and/or 700 optimizes the quality of gas in the dust removing effects of cyclone separator group and automatic decision air accumulator 100, real
Existing automatic ventilation function.
According to a particular embodiment of the invention, the grain size of low order fine coal can be not more than 8mm, and humidity can be not more than 10 weights
Measure %.Thus, it is possible to further improve the efficiency that Geldart-D particle is carried out to low order fine coal.
The embodiment of the low order fine coal air-transport system of the specific embodiment of the invention is carried out below with reference to Fig. 4 detailed
Description.
First, it is sufficiently mixed the gas in fine coal and air accumulator 100 in Pneumatic conveyer 200, then utilizes wind
Fine coal is delivered to progress fine coal sedimentation in furnace top bin 600 and is detached with wind powder, then utilize the first rotation successively by powder delivery main 300
400 and second cyclone separator 700 of wind separator and bag filter 500 are dusted the lack of gas in furnace top bin 600
And recycling, and clean air feeding air accumulator 100 will be obtained by bag filter 500 and is stored for future use.Wherein, furnace roof material
Storehouse 600 includes four by 640 end to end tetra- feed bins of A, B, C and D of top communicating pipe, in wind powder delivery branch pipe 330 point
It is not provided with tri- valves of A1, B1 and C1, the downstream with 330 junction of wind powder delivery branch pipe is located on wind powder delivery main 300
End is provided with tri- valves of A2, B2 and C2.By being used cooperatively for A1, B1 and C1 and A2, B2 and C2 valve, can realize pair
A, the flexible charging of tetra- furnace top bins of B, C and D.
Specifically, when fine coal material position is too low in furnace top bin A, valve A1 can be opened, closes valve A2, B1, B2, C1
And C2, thus, it is possible to individually be delivered to low order fine coal in furnace top bin A by airlift, fine coal enters furnace roof with gas
After feed bin A, fine coal declines, and gas is entered by the communicating pipe 640 at the top of furnace top bin in furnace top bin B, then sequentially enters stove
In liftout storehouse C and D, the fine coal in furnace top bin B, C and D is made to sink again, gas is finally from going out at the top of furnace top bin A and D
Gas port 620 enters the second cyclone separator group 700 and the first cyclone separator group 400 carries out cyclone dust removal.
When fine coal material position is too low in furnace top bin B, valve A2 and B1 can be opened, closes valve A1, B2, C1 and C2,
Thus, it is possible to individually be delivered to low order fine coal in furnace top bin B by airlift, fine coal enters furnace top bin B with gas
Afterwards, fine coal declines, and gas is entered by the communicating pipe 640 at the top of furnace top bin in furnace top bin A, C and D, makes furnace top bin A, C
Sink again with the fine coal in D, gas finally enters the second cyclone separator group from the gas outlet 620 at the top of furnace top bin A and D
700 and first cyclone separator group 400 carry out cyclone dust removal.
When fine coal material position is too low in furnace top bin C, valve A2, B2 and C1 can be opened, closes valve A1, B1, C2, by
Low order fine coal, can be individually delivered to by airlift in furnace top bin C by this, after fine coal enters furnace top bin C with gas,
Fine coal declines, and gas is entered by the communicating pipe 640 at the top of furnace top bin in furnace top bin B, A and D, makes furnace top bin A, B and D
In fine coal sink again, gas finally from the top of furnace top bin A and D gas outlet 620 enter the second cyclone separator group 700
Cyclone dust removal is carried out with the first cyclone separator group 400.
When fine coal material position is too low in furnace top bin D, valve A2, B2 and C2 can be opened, closes valve A1, B1, C1, by
Low order fine coal, can be individually delivered to by airlift in furnace top bin D by this, after fine coal enters furnace top bin D with gas,
Fine coal declines, and gas is entered by communicating pipe 640 at the top of furnace top bin in furnace top bin C, then sequentially enter furnace top bin B and
In A, the fine coal in furnace top bin A, B and C is made to sink again, gas finally from the gas outlet 620 at the top of furnace top bin A and D into
Enter the second cyclone separator group 700 and the first cyclone separator group 400 carries out cyclone dust removal.
When fine coal material position is too low in furnace top bin B and C, valve A2, B1, B2 and C1 can be opened, close valve A1 and
C2, thus, it is possible to which low order fine coal is delivered to by airlift in furnace top bin B and C, fine coal enters furnace top bin with gas
After B and C, fine coal declines, and gas is entered by the communicating pipe 640 at the top of furnace top bin in furnace top bin A and D, makes furnace top bin A
Sink again with the fine coal in D, gas finally enters the second cyclone separator group from the gas outlet 620 at the top of furnace top bin A and D
700 and first cyclone separator group 400 carry out cyclone dust removal.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It is combined in an appropriate manner in a or multiple embodiments or example.In addition, without conflicting with each other, the technology of this field
Different embodiments or examples described in this specification and the feature of different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of low order fine coal air-transport system, which is characterized in that including：
Air accumulator, the air accumulator have gas outlet, gas returning port and air bleeding valve；
Pneumatic conveyer, the Pneumatic conveyer have fine coal entrance, carrier gas inlet and are exported with the wind powder, the load
Gas entrance is connected with the gas outlet；
Wind powder delivery main, the import of the wind powder delivery main are connected with wind powder outlet, the wind powder delivery main
Outlet be connected with the feed inlet of furnace top bin；
First cyclone separator group, the first cyclone separator group are connected with the gas outlet of the furnace top bin；
Bag filter, the bag filter respectively with the first cyclone separator group and the gas returning port phase of the air accumulator
Even.
2. low order fine coal air-transport system according to claim 1, which is characterized in that the furnace top bin includes multiple
The furnace top bin of top head and the tail connection, the feed inlet of each furnace top bin pass through wind powder delivery branch pipe and the wind powder respectively
Delivery main is connected.
3. low order fine coal air-transport system according to claim 2, which is characterized in that the first cyclone separator group
It is arranged in the top of the furnace top bin of terminal position and connects the furnace top bin and the bag filter.
4. low order fine coal air-transport system according to claim 3, which is characterized in that further comprise：Second whirlwind
Separator group, the second cyclone separator group are arranged in described in the top of the furnace top bin of head end position and connection
Furnace top bin and the bag filter.
5. low order fine coal air-transport system according to claim 4, which is characterized in that the first cyclone separator group
It independently is secondary cyclone respectively with the second cyclone separator group.
6. low order fine coal air-transport system according to claim 5, which is characterized in that the first cyclone separator group
Valve is both provided with the exhaust end of the second cyclone separator group, exhaust end is both provided with flapper.
7. low order fine coal air-transport system according to claim 2, which is characterized in that set in the wind powder delivery branch pipe
It is equipped with valve.
8. low order fine coal air-transport system according to claim 7, which is characterized in that the wind powder delivery main is upper
Valve is both provided in the downstream with the wind powder delivery branch pipe junction.
9. low order fine coal air-transport system according to claim 4, which is characterized in that the stove positioned at head end position
Liftout storehouse is directly connected with the bag filter by pipeline, and flapper is provided on the pipeline.
10. according to claim 6-8 any one of them low order fine coal air-transport systems, which is characterized in that the valve is
Pneumatic round-top valve or pneumatic gate valve.
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| CN201711293994.0A CN108163551A (en) | 2017-12-08 | 2017-12-08 | Low order fine coal air-transport system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277318A (en) * | 2021-05-21 | 2021-08-20 | 淮南东华欧科矿山支护设备有限责任公司 | Long-range pneumatic conveying system of mining material |
| CN114669394A (en) * | 2022-03-29 | 2022-06-28 | 西安西热锅炉环保工程有限公司 | Centralized biomass fuel material loading of environmental protection, screening and negative pressure dust collection system |
| CN115215101A (en) * | 2022-06-15 | 2022-10-21 | 四川新威凌金属新材料有限公司 | Zinc powder remote pneumatic conveying system adopting nitrogen protection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277318A (en) * | 2021-05-21 | 2021-08-20 | 淮南东华欧科矿山支护设备有限责任公司 | Long-range pneumatic conveying system of mining material |
| CN114669394A (en) * | 2022-03-29 | 2022-06-28 | 西安西热锅炉环保工程有限公司 | Centralized biomass fuel material loading of environmental protection, screening and negative pressure dust collection system |
| CN114669394B (en) * | 2022-03-29 | 2024-05-07 | 西安西热锅炉环保工程有限公司 | Environment-friendly centralized biomass fuel feeding, screening and negative pressure dust collecting system |
| CN115215101A (en) * | 2022-06-15 | 2022-10-21 | 四川新威凌金属新材料有限公司 | Zinc powder remote pneumatic conveying system adopting nitrogen protection |
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Application publication date: 20180615 |