CN208234133U - Micron-granularity coal conveying system - Google Patents
Micron-granularity coal conveying system Download PDFInfo
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- CN208234133U CN208234133U CN201820685274.2U CN201820685274U CN208234133U CN 208234133 U CN208234133 U CN 208234133U CN 201820685274 U CN201820685274 U CN 201820685274U CN 208234133 U CN208234133 U CN 208234133U
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- pressure
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- transformation
- delivery system
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- 239000003245 coal Substances 0.000 title claims abstract description 31
- 230000009466 transformation Effects 0.000 claims abstract description 55
- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002309 gasification Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001595 flow curve Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a micron granularity coal conveying system belongs to coal gasification technical field, the utility model discloses the technical problem that solves leads to equipment spare part to drop for pressurizing the equipment damage that causes too fast and bridging, and the technical scheme of adoption is: the structure of the device comprises a material conveying subsystem and a pressure regulating subsystem, wherein the material conveying subsystem comprises a normal pressure container, a high pressure container and two pressure transformation containers which are arranged in parallel, discharge ports of the normal pressure container are respectively communicated with feed ports of the two pressure transformation containers, and discharge ports of the two pressure transformation containers are respectively communicated with feed ports of the high pressure container; the inner wall of the discharge port end of the pressure swing container is provided with a plurality of inner components, one side of the discharge port of the pressure swing container is provided with a source tank, the opposite side is provided with a material level switch detector and a material level indicator detector, and the material level switch detector and the material level indicator detector are arranged corresponding to the source tank; the pressure regulating subsystem comprises a pipe network, a stop valve and a regulating valve, and the pipe network, the stop valve, the regulating valve and the pressure-changing container are communicated in sequence.
Description
Technical field
The utility model relates to Coal Gasification Technology field, specifically a kind of micron granularity coal delivery system.
Background technique
In modern coal gasification process technology, coal is forced into high-pressure bottle from normal pressure state, is then fed into reacting furnace
Carry out combustion reaction.In this process, one to two transformation container is needed to realize whole process, because of the coal of micron granularity
It is easy blocking of building bridge during transportation, therefore must assure that coal is not accumulated inside transformation container, general producer makes thus
It is fitted in and guarantees that coal particle can be uniformly distributed, and the equipment with active fluidization state, but the equipment needs to separate
Contact of the gas with coal avoids mutually going here and there, general its ventilation aperture about 10um.The equipment is generally fixed to the bracket of container internal reservation
Upper (due to specific coatings inside equipment, which is made by container producer), is conveying because the characteristic of micron granularity coal determines
It easily builds bridge in the process, therefore occurs improving high-pressure bottle pressure or reducing transformation container pressure in technological operation using gas
Power rushes to summit to the accumulation situation of coal, and such situation is easy to appear that equipment appurtenance falls off or even whole equipment falls off.Therefore it is easy
There arises a problem that 1., because the pressurising time it is too fast (excessively slowly influence material conveying) caused by equipment damage；2., because handle frame
Equipment component caused by bridge falls off, and rear system is conveyed and there is very big hidden danger.
Summary of the invention
The technical assignment of the utility model is to provide a kind of micron granularity coal delivery system, come solve pressurising it is too fast caused by
The problem of equipment damage and bridge formation cause equipment component to fall off, cause security risk.
The technical assignment of the utility model realizes in the following manner, a kind of micron granularity coal delivery system, including object
Expect transport subsystem and pressure regulation sub-systems, material transport subsystem includes that non-pressure vessel, high-pressure bottle and two are arranged in parallel
Transformation container, the discharge port of non-pressure vessel is respectively communicated with the feed inlet of two transformation containers, the discharge port difference of two transformation containers
It is connected to the feed inlet of high-pressure bottle；Multiple inner assemblies, transformation container discharge mouth are provided on the inner wall at transformation container discharge mouth end
Side be provided with carrying shield, opposite side is provided with level switch detector and level-sensing device detector, level switch detector
It is correspondingly arranged with level-sensing device detector with carrying shield；
Pressure regulation sub-systems include pipe network, stop valve and regulating valve, pipe network, stop valve, regulating valve and transformation container according to
Secondary connection.
Preferably, being provided with bracket on the transformation container inner wall, inner assembly is mounted on transformation container by bracket
On inner wall.
Preferably, inner assembly structure in long strip and inner assembly and horizontal direction are in 60-70 ° of angle, preferably
65°。
More preferably, there are six the inner assembly settings, inner wall of six inner assemblies along transformation container discharge mouth end is uniformly arranged
Column.
More preferably, the inner assembly middle position is provided with an air inlet, and two side positions of inner assembly are respectively arranged with one
Gas outlet group, both ends of the gas outlet group centered on air inlet along inner assembly to inner assembly are evenly distributed.
More preferably, the gas outlet group includes seven gas outlets, and seven gas outlets are evenly distributed along inner assembly.
More preferably, the diameter of the air inlet is greater than the diameter of gas outlet.
More preferably, two side positions of the end positions of the inner assembly and the enterprising port of inner assembly are respectively arranged with clip,
Clip and bracket are welded to connect, and inner assembly is mounted on transformation container inner wall by clip and bracket；Clip uses stainless steel
Clip made of matter.
More preferably, the inner assembly middle position is provided with connecting column, and connecting column one end is fixed on inner assembly, the other end
Extend transformation container through the side wall of transformation container.
More preferably, pressure gauge one and pressure gauge two are provided on the pipe network, pressure gauge one is located at the upstream tube of stop valve
On the road, flowmeter is additionally provided in the upstream of stop valve；Pressure gauge two is on the downstream pipe of regulating valve；Transformation is held
Pressure gauge three is provided on device.
The micron granularity coal delivery system of the utility model has the advantage that compared with prior art
(1), the utility model solve pressurising it is too fast caused by equipment damage and building bridge causes equipment component de-
It falls, causes security risk, to realize system safe and stable operation；It is influenced using the decompression of carrier gas, especially carrier gas uses dioxy
It is particularly acute when changing carbon conveying, corresponds to maximum stream flow curve as flow control with the current pressure that inner assembly can bear
Setting value improves the aperture of regulating valve to greatest extent, and bigger possible reduce depressurizes bring because of high-pressure carbon dioxide
Negative effect, prevents the too fast damage caused by equipment of pressurising, it is ensured that safe and stable operation；
(2), inner assembly is fixed on transformation container inner wall by transformation, is not in that fortuitous event falls off, thus to rear
System stabilization impacts, while the inner assembly is needed for intake process is given and utmostly limits but in turn ensure that system is stablized
The time wanted has the characteristics that high degree of automation, safety is good, stability is high and low in cost, is not required to manual operation, interlocking
Automatic protection reaches maximum differential pressure and directly cuts off to contact with pipe network and protect trim apparatus not to be damaged to greatest extent, drops significantly
Low manual operation intensity；
(3), there are six inner assemblies for setting in the transformation container of the utility model, and are fixed and are welded on by bracket
On transformation container inner wall, it is entirely avoided the appearance of fortuitous event is only needed to pay close attention to when inspection in equipment, be greatly reduced
Maintenance cost；And inner assembly completely avoids the influence of the flow control to whole system, improves system continuous operation
Feasibility extends the cycle of operation of system；
(4), the utility model solves the problems, such as to build bridge during defeated coal, complete except the operation of bridge process is safer
The generation of unexpected safety problem is avoided entirely；Pressurized delivered realizes a whole set of control certainly as an entire automation process simultaneously
The feasibility of dynamicization, bring are the stability of whole system operation, reliability, propose higher want for the quality of personnel
It asks, but greatly reduces labor intensity.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Attached drawing 1 is the structural schematic diagram of micron granularity coal delivery system；
Attached drawing 2 is the partial enlarged view in attached drawing 1 at A；
Attached drawing 3 is the structural schematic diagram of transformation container in attached drawing 1；
Attached drawing 4 is the structural schematic diagram of inner assembly in attached drawing 3.
In figure: 1, non-pressure vessel, 2, transformation container, 3, high-pressure bottle, 4, inner assembly, 5, carrying shield, 6, level switch detection
Device, 7, level-sensing device detector, 8, pipe network, 9, stop valve, 10, regulating valve, 11, bracket, 12, air inlet, 13, gas outlet, 14, card
Hoop, 15, connecting column, 16, pressure gauge one, 17, flowmeter, 18, pressure gauge two, 19, pressure gauge three.
Wherein, A indicates the pressure difference between pressure gauge one and pressure gauge two, and B is indicated between pressure gauge two and pressure gauge three
Pressure difference.
Specific embodiment
A kind of micron granularity coal delivery system of the utility model is made referring to Figure of description and specific embodiment following
It explains in detail.
Embodiment:
As shown in Fig. 1, the micron granularity coal delivery system of the utility model, structure include material transport subsystem
And pressure regulation sub-systems, material transport subsystem include non-pressure vessel 1, transformation container 2 and the height set gradually under upper
Pressure vessel 3, there are two the installations of transformation container 2 and two transformation containers 2 are arranged in parallel, and the discharge port of non-pressure vessel 1 is respectively communicated with two
The discharge port of the feed inlet of transformation container 2, two transformation containers 2 is respectively communicated with the feed inlet of high-pressure bottle 3；Transformation container 2 discharges
Inner assembly 4 is installed on the inner wall at mouth end, the side of 2 discharge port of transformation container is equipped with carrying shield 5, and opposite side is equipped with material
Bit switch detector 6 and level-sensing device detector 7, level switch detector 6 and level-sensing device detector 7 are correspondingly arranged with carrying shield 5；Pressure
It includes pipe network 8, stop valve 9 and regulating valve 10 that power, which adjusts subsystem, and pipe network 8, stop valve 9, regulating valve 10 and transformation container 2 are successively
Connection.Pressure gauge 1 and pressure gauge 2 18 are connected on pipe network 8, pressure gauge 1 is located in the upstream of stop valve 9, cuts
Flowmeter 17 is also connected in the upstream of disconnected valve 9；Pressure gauge 2 18 is on the downstream pipe of regulating valve 10；Transformation is held
Pressure gauge 3 19 is connected on device 2.
As shown in Fig. 2 and 3, bracket 11 is installed, inner assembly 4 is mounted on change by bracket 11 on 2 inner wall of transformation container
On the inner wall of pressure vessel 2.Six inner assemblies 4 are evenly distributed along the inner wall of 2 discharge port end of transformation container.Inner assembly 4 is in long strip
Structure and inner assembly 4 and horizontal direction are in 65 ° of angles.4 middle position of inner assembly is equipped with connecting column 15, and 15 one end of connecting column is solid
It is scheduled on inner assembly 4, the other end extends transformation container 2 through the side wall of transformation container 2.
As shown in Fig. 4,4 middle position of inner assembly is equipped with an air inlet 12, and two side positions of inner assembly 4 are respectively equipped with one
Gas outlet group, both ends of the gas outlet group centered on air inlet 12 along inner assembly 4 to inner assembly 4 are evenly distributed.Gas outlet group packet
Seven gas outlets 13 are included, seven gas outlets 13 are evenly distributed along inner assembly 4.The diameter of air inlet 12 is greater than the straight of gas outlet 13
Diameter.The end positions of inner assembly 4 and two side positions of the enterprising port 12 of inner assembly 4 are separately installed with clip 14, clip 14 and branch
Frame 11 is welded to connect, and inner assembly 4 is mounted on 2 inner wall of transformation container by clip 14 and bracket 11.Clip 14 uses stainless steel
Clip made of material.
The utility model is for the second tunnel pressurising positioned at equipment middle and lower part, and Plenum Process is fluid mapper process, container
Inside can generally be uniformly distributed identical inner assembly 4 in order to even fluidizing, and maximum can bear to press in the design before and after the equipment aperture
The pressure change that difference need to be realized much smaller than transformation container 2, thus in Plenum Process settable complex loop protection this set
It is standby not to be damaged in Plenum Process, mainly have: flow control, i.e., according to the relevant parameter of inner assembly 4 in 2 pressure of transformation container
The flow that the inner assembly 4 is able to bear in change procedure controls the road pressurising as first controller setting value (variation)
Regulating valve 10 acts；Pressure difference control can bear pressure difference and subtract 0.2MPa as the maximum of controller to set according to the maximum of inner assembly 4
Definite value (fixed), while the road regulating valve 10 movement is controlled, pressure difference control primarily serves protective effect, once differential pressure controller
Investment movement will will do it warning note, therefore the pressurising regulating valve 10 is taken small control (i.e. two controls by two controllers
Which exports the small movement for controlling to adjust valve with device processed), in addition to the inner assembly 4 is further protected, if pressure difference reaches factory
The maximum allowable pressure difference that family provides then directly is closed the road pressurising stop valve 9 and regulating valve 10 and is closed to zero, while for protection pipe
Net 8 safety (if the inner assembly 4 is damaged, there are material pour into pipe network 8 may), setting 8 pressure of pipe network and transformation container 2 are pressed
Power difference is lower than 0.1MPa, i.e. the interlocking close road pressurising stop valve 9 and the road regulating valve as interlocking value, if there is difference
10 close to zero, in this way, can guarantee that maximum rate realizes pressurising operation in pressure difference allowed band.
The technical personnel in the technical field can readily realize the utility model with the above specific embodiments,.But
It is it should be appreciated that the utility model is not limited to above-mentioned specific embodiment.In disclosed implementation
On the basis of mode, the technical personnel in the technical field can be arbitrarily combined different technical features, to realize
Different technical solutions.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (10)
1. a kind of micron granularity coal delivery system, which is characterized in that including material transport subsystem and pressure regulation sub-systems, object
Material transport subsystem includes non-pressure vessel, high-pressure bottle and the two transformation containers that are arranged in parallel, the discharge port difference of non-pressure vessel
It is connected to the feed inlet of two transformation containers, the discharge port of two transformation containers is respectively communicated with the feed inlet of high-pressure bottle；Transformation container goes out
Multiple inner assemblies are provided on the inner wall at material mouth end, the side of transformation container discharge mouth is provided with carrying shield, opposite side setting
There are level switch detector and level-sensing device detector, level switch detector and level-sensing device detector are correspondingly arranged with carrying shield；
Pressure regulation sub-systems include pipe network, stop valve and regulating valve, and pipe network, stop valve, regulating valve and transformation container successively connect
It is logical.
2. micron granularity coal delivery system according to claim 1, which is characterized in that be arranged on the transformation container inner wall
There is bracket, inner assembly is mounted on the inner wall of transformation container by bracket.
3. micron granularity coal delivery system according to claim 1 or 2, which is characterized in that the inner assembly is in long strip
Structure and inner assembly and horizontal direction are in 60-70 ° of angle.
4. micron granularity coal delivery system according to claim 3, which is characterized in that there are six the inner assembly settings,
Inner wall of six inner assemblies along transformation container discharge mouth end is evenly distributed.
5. micron granularity coal delivery system according to claim 4, which is characterized in that the inner assembly middle position setting
There is an air inlet, two side positions of inner assembly are respectively arranged with a gas outlet group, and gas outlet group is centered on air inlet along interior group
The both ends of part to inner assembly are evenly distributed.
6. micron granularity coal delivery system according to claim 5, which is characterized in that the gas outlet group includes seven and goes out
Port, seven gas outlets are evenly distributed along inner assembly.
7. micron granularity coal delivery system according to claim 6, which is characterized in that the diameter of the air inlet is greater than
The diameter of port.
8. micron granularity coal delivery system according to claim 7, which is characterized in that the end positions of the inner assembly and
Two side positions of the enterprising port of inner assembly are respectively arranged with clip, and clip and bracket are welded to connect, and inner assembly passes through clip and branch
Frame is mounted on transformation container inner wall；Clip is using clip made of stainless steel material.
9. micron granularity coal delivery system according to claim 8, which is characterized in that the inner assembly middle position setting
There is connecting column, connecting column one end is fixed on inner assembly, and the other end extends transformation container through the side wall of transformation container.
10. micron granularity coal delivery system according to claim 9, which is characterized in that be provided with pressure on the pipe network
Table one and pressure gauge two, pressure gauge one are located in the upstream of stop valve, are additionally provided with flow in the upstream of stop valve
Meter；Pressure gauge two is on the downstream pipe of regulating valve；Pressure gauge three is provided on transformation container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685274.2U CN208234133U (en) | 2018-05-09 | 2018-05-09 | Micron-granularity coal conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685274.2U CN208234133U (en) | 2018-05-09 | 2018-05-09 | Micron-granularity coal conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208234133U true CN208234133U (en) | 2018-12-14 |
Family
ID=64582664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820685274.2U Active CN208234133U (en) | 2018-05-09 | 2018-05-09 | Micron-granularity coal conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208234133U (en) |
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2018
- 2018-05-09 CN CN201820685274.2U patent/CN208234133U/en active Active
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