CN108100676A - A kind of coal gasification pneumatic ash transmitting system - Google Patents
A kind of coal gasification pneumatic ash transmitting system Download PDFInfo
- Publication number
- CN108100676A CN108100676A CN201711377984.5A CN201711377984A CN108100676A CN 108100676 A CN108100676 A CN 108100676A CN 201711377984 A CN201711377984 A CN 201711377984A CN 108100676 A CN108100676 A CN 108100676A
- Authority
- CN
- China
- Prior art keywords
- valve
- pneumatic
- ash bucket
- ash
- coal gasification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 238000002309 gasification Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000010883 coal ash Substances 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B65G53/36—Arrangements of containers
-
- 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
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
-
- 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
-
- 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
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a kind of coal gasification pneumatic ash transmitting systems in Coal Gasification Technology field, including ash bucket, the side wall of the ash bucket is plugged with level-sensing device, hand operated gate valve is provided in the bottom pipe of the ash bucket, the bottom pipe end of the ash bucket is connected with Pneumatic round-top valve, the bottom of the Pneumatic round-top valve is connected with storehouse pump, one end of the storehouse pump is connected with admission line, pneumatic on-off valve is provided on the admission line, the other end of the storehouse pump is connected with outlet line, the top of the ash bucket is connected with cyclone separator by conveying pipeline, the system has selected the entrance dome valve for being suitable for powder conveying, the valve is using unique inflation seal ring, sealing ring automatic inflating when valve completely closes expands, valve is fully sealed；Sealing ring releasing pressure automatically bounces back when valve is opened, and top dome and valve body avoid abrasion, substantially prolong the service life of valve without any contact during valve switch.
Description
Technical field
The present invention relates to Coal Gasification Technology fields, are specially a kind of coal gasification pneumatic ash transmitting system.
Background technology
It is very ripe currently for the pneumatic ash transmitting system of flue gas ash removal, but for coal gas dust removal pneumatic ash transmitting system compared with
It is few, because gas leak, there are explosion danger, current Pneumatic ash conveying is not mostly tight there are valve seal and programme-control does not conform to
The problems such as reason, causes coal gas easily to leak, and there is greatly security risk.Based on this, the present invention devises a kind of coal gasification
Pneumatic ash transmitting system, to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of coal gasification pneumatic ash transmitting system, to solve to propose in above-mentioned background technology
Pneumatic ash conveying it is mostly not tight there are valve seal and the problems such as programme-control is unreasonable, coal gas is caused easily to leak, there are poles
The problem of the earth security risk.
To achieve the above object, the present invention provides following technical solution：A kind of coal gasification pneumatic ash transmitting system, including ash
Bucket, the side wall of the ash bucket are plugged with level-sensing device, hand operated gate valve are provided in the bottom pipe of the ash bucket, the ash bucket
Bottom pipe end is connected with Pneumatic round-top valve, and the bottom of the Pneumatic round-top valve is connected with storehouse pump, and one end of the storehouse pump connects
Admission line one is connected to, pneumatic on-off valve is provided on the admission line one, the other end of the storehouse pump is connected with air outlet pipe
Line, the top of the ash bucket are connected with cyclone separator by conveying pipeline, and the end of the conveying pipeline is applied in the inner cavity of ash bucket,
The one side of the conveying pipeline is connected with admission line two, and the end set of the conveying pipeline has ejector, and the ejector includes
Ring tube, the outer wall of the ring tube are provided with jet nozzle, and the jet nozzle is connected with ring tube.
Preferably, jet nozzle annular on ring tube is provided with six groups.
Preferably, the end of the conveying pipeline is socketed with fixed cover, and buffer mouth, the fixation are offered in the fixed cover
The outer end of lid, which is fixed to connect, pipe, and the other end and the ring tube of the pipe are connected.
Preferably, the outer circle tangent line angle angle of the jet nozzle and fixed cover is 60 degree, the jet nozzle and water
Horizontal line angle angle is 30 degree.
Preferably, the pneumatic on-off valve is consolidated with storehouse pump by mounting flange and admission line one and outlet line respectively
It is fixed.
Compared with prior art, the beneficial effects of the invention are as follows：The system has selected the entrance circle for being suitable for powder conveying
Overhead-valve, the valve is using unique inflation seal ring, and sealing ring automatic inflating when valve completely closes expands, and valve is completely close
Envelope；Sealing ring releasing pressure automatically bounces back when valve is opened, and top dome and valve body avoid mill without any contact during valve switch
Damage substantially prolongs the service life of valve, also ensures the reliability of pneumatic ash transmitting system.Whole system sets rational and orderly
Rate-determining steps, ensure that the leakproofness of system while smoothly defeated ash, can effectively prevent gas leak from triggering security incident.
The system can be completely achieved automation mechanized operation, and safe and reliable.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is ejector top view of the present invention；
Fig. 3 is ejector front view of the present invention.
In attached drawing, parts list represented by the reference numerals is as follows：
1- ash buckets, 2- level-sensing devices, 3- hand operated gate valves, 4- Pneumatic round-top valves, 5- storehouses pump, 6- pneumatic on-off valves, 7- air inlets
Pipeline one, 8- outlet lines, 9- conveying pipelines, 10- cyclone separators, 11- ejectors, 111- ring tubes, 112- pipes, 113- are penetrated
Flow nozzle, 114- fixed covers, 115- buffer mouths.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment belongs to the scope of protection of the invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of coal gasification pneumatic ash transmitting system, including ash bucket
1, the side wall of ash bucket 1 is plugged with level-sensing device 2, and hand operated gate valve 3, the bottom pipe of ash bucket 1 are provided in the bottom pipe of ash bucket 1
End is connected with Pneumatic round-top valve 4, and the bottom of Pneumatic round-top valve 4 is connected with storehouse pump 5, and one end of storehouse pump 5 is connected with admission line
One 7, pneumatic on-off valve 6 is provided on admission line 1, the other end of storehouse pump 5 is connected with outlet line 8, and the top of ash bucket 1 leads to
It crosses conveying pipeline 9 and is connected with cyclone separator 10, the end of conveying pipeline 9 is applied in the inner cavity of ash bucket 1, the one side connection of conveying pipeline 9
Have an admission line two, the end set of conveying pipeline 9 has an ejector 11, and ejector 11 includes ring tube 111, ring tube 111 it is outer
Wall is provided with jet nozzle 113, and jet nozzle 113 is connected with ring tube 111.
Wherein, the annular on ring tube 111 of jet nozzle 113 is provided with six groups.The end of conveying pipeline 9 is socketed with fixed cover
114, buffer mouth 115 is offered in fixed cover 114, the outer end of fixed cover 114, which is fixed to connect, pipe 112, pipe 112 it is another
End is connected with ring tube 111.The outer circle tangent line angle angle of jet nozzle 113 and fixed cover 114 is 60 degree, jet nozzle 113
It it is 30 degree with horizontal line angle angle.Pneumatic on-off valve 6 passes through mounting flange and admission line 1 and outlet respectively with storehouse pump 5
Pipeline 8 is fixed.
One of the present embodiment has particular application as：Cyclone separator 10 separates coal ash and air, coal ash is passed through defeated
Expects pipe 9 is transported in ash bucket 1, and admission line two is passed through nitrogen, and nitrogen is avoided by the spiral air flow that ejector 11 is blown out in ash bucket 1
Coal ash be bonded on 1 inner wall of ash bucket, in ash bucket 1 in level-sensing device 2 it is uncovered, storehouse pump 5 is in empty states, pneumatic dome
Valve 4 is closed and sealed；When ash reaches level-sensing device 2 in ash bucket 1, system automatic start, Pneumatic round-top valve 4 is opened, by one
The time of a setting makes ash fall into storehouse pump 5, this setting time needs to produce ash quantity one rational numerical value of selection according to system；When
The grey time that falls of setting reaches, and Pneumatic round-top valve 4 is automatically closed, while sealing ring is pressurized, and couples at this time with storehouse pump 5
Pneumatic on-off valve 6 on admission line 1 automatically opens, and low-pressure nitrogen enters in ash handing pipeline, and ash is conveyed from outlet line 8
To downstream；When the pressure before detecting that the pressure on outlet line 8 drops to conveying, pipeline has blown sky, jettron at this time
Valve 6 is automatically closed, and system enters next recurrent state.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its four corner and equivalent.
Claims (5)
1. a kind of coal gasification pneumatic ash transmitting system, including ash bucket (1), it is characterised in that：The side wall of the ash bucket (1) is plugged with
Level-sensing device (2) is provided with hand operated gate valve (3), the bottom pipe end of the ash bucket (1) in the bottom pipe of the ash bucket (1)
Portion is connected with Pneumatic round-top valve (4), and the bottom of the Pneumatic round-top valve (4) is connected with storehouse pump (5), one end of the storehouse pump (5)
Admission line one (7) is connected with, pneumatic on-off valve (6) is provided on the admission line one (7), the storehouse pumps the another of (5)
End is connected with outlet line (8), and the top of the ash bucket (1) is connected with cyclone separator (10) by conveying pipeline (9), described defeated
The end of expects pipe (9) is applied in the inner cavity of ash bucket (1), and the one side of the conveying pipeline (9) is connected with admission line two, the conveying
The end set of pipe (9) has an ejector (11), and the ejector (11) includes ring tube (111), the ring tube (111) it is outer
Wall is provided with jet nozzle (113), and the jet nozzle (113) connects with ring tube (111).
2. a kind of coal gasification pneumatic ash transmitting system according to claim 1, it is characterised in that：The jet nozzle
(113) annular is provided with six groups on ring tube (111).
3. a kind of coal gasification pneumatic ash transmitting system according to claim 1, it is characterised in that：The conveying pipeline (9)
End is socketed with fixed cover (114), offers buffer mouth (115) on the fixed cover (114), the fixed cover (114) it is outer
Fixed connect in end has pipe (112), and the other end and the ring tube (111) of the pipe (112) are connected.
4. a kind of coal gasification pneumatic ash transmitting system according to claim 1, it is characterised in that：The jet nozzle
(113) it is 60 degree with the outer circle tangent line angle angle of fixed cover (114), the jet nozzle (113) and horizontal line angle angle
For 30 degree.
5. a kind of coal gasification pneumatic ash transmitting system according to claim 1, it is characterised in that：The pneumatic on-off valve
(6) it is fixed by mounting flange and admission line one (7) and outlet line (8) respectively with storehouse pump (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377984.5A CN108100676A (en) | 2017-12-19 | 2017-12-19 | A kind of coal gasification pneumatic ash transmitting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711377984.5A CN108100676A (en) | 2017-12-19 | 2017-12-19 | A kind of coal gasification pneumatic ash transmitting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108100676A true CN108100676A (en) | 2018-06-01 |
Family
ID=62210272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711377984.5A Pending CN108100676A (en) | 2017-12-19 | 2017-12-19 | A kind of coal gasification pneumatic ash transmitting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100676A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590599A (en) * | 2022-03-29 | 2022-06-07 | 浙江固特气动科技股份有限公司 | A pneumatic ash conveying valve |
| CN117004787A (en) * | 2023-08-07 | 2023-11-07 | 重庆钢铁股份有限公司 | A blast furnace gas dust removal system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB660951A (en) * | 1949-07-07 | 1951-11-14 | Michael Joseph Bozich | Pneumatic feeding and conveying systems |
| US3727985A (en) * | 1972-01-03 | 1973-04-17 | Cons Eng Co | Pneumatic conveying apparatus automatically operable successively for weight responsive filling, and for activation, discharging, purging against back pressure, and venting |
| CH649060A5 (en) * | 1981-01-30 | 1985-04-30 | Durmersheim Baustoffwerke | METHOD AND DEVICE FOR CONVEYING SCHUETTGUT. |
| CN2467473Y (en) * | 2001-01-12 | 2001-12-26 | 刘新春 | Air resistor type pneumatic continuous conveying pump |
| CN1526618A (en) * | 2003-09-23 | 2004-09-08 | 杭州华电华源环境工程有限公司 | Positive pressure concentrated phase constant pressure conveying system |
| CN202072297U (en) * | 2011-03-10 | 2011-12-14 | 孙家鼎 | Quantitative positive-pressure pneumatic ash-removing system |
| CN202529571U (en) * | 2012-03-23 | 2012-11-14 | 济南煜龙气力输送设备有限公司 | Gravimetric pulse pneumatic conveyor |
| EP2689854A1 (en) * | 2012-07-26 | 2014-01-29 | Innowacyjne Przedsiebiorstwo Wielobranzowe Wielobranzowe POLIN sp. z.o.o. | Method of obtaining protected against caking ultrafine fractions of rain raw materials such as chalk, gypsum, limestone, and system for this method execution |
| CN203903475U (en) * | 2014-05-28 | 2014-10-29 | 应城市新都化工有限责任公司 | Pneumatic conveying system for chemical production |
| CN205708877U (en) * | 2016-05-06 | 2016-11-23 | 华润电力登封有限公司 | A kind of pneumatic ash transmitting system and storehouse pump thereof |
| CN207632115U (en) * | 2017-12-19 | 2018-07-20 | 中科合肥煤气化技术有限公司 | A kind of coal gasification pneumatic ash transmitting system |
-
2017
- 2017-12-19 CN CN201711377984.5A patent/CN108100676A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB660951A (en) * | 1949-07-07 | 1951-11-14 | Michael Joseph Bozich | Pneumatic feeding and conveying systems |
| US3727985A (en) * | 1972-01-03 | 1973-04-17 | Cons Eng Co | Pneumatic conveying apparatus automatically operable successively for weight responsive filling, and for activation, discharging, purging against back pressure, and venting |
| CH649060A5 (en) * | 1981-01-30 | 1985-04-30 | Durmersheim Baustoffwerke | METHOD AND DEVICE FOR CONVEYING SCHUETTGUT. |
| CN2467473Y (en) * | 2001-01-12 | 2001-12-26 | 刘新春 | Air resistor type pneumatic continuous conveying pump |
| CN1526618A (en) * | 2003-09-23 | 2004-09-08 | 杭州华电华源环境工程有限公司 | Positive pressure concentrated phase constant pressure conveying system |
| CN202072297U (en) * | 2011-03-10 | 2011-12-14 | 孙家鼎 | Quantitative positive-pressure pneumatic ash-removing system |
| CN202529571U (en) * | 2012-03-23 | 2012-11-14 | 济南煜龙气力输送设备有限公司 | Gravimetric pulse pneumatic conveyor |
| EP2689854A1 (en) * | 2012-07-26 | 2014-01-29 | Innowacyjne Przedsiebiorstwo Wielobranzowe Wielobranzowe POLIN sp. z.o.o. | Method of obtaining protected against caking ultrafine fractions of rain raw materials such as chalk, gypsum, limestone, and system for this method execution |
| CN203903475U (en) * | 2014-05-28 | 2014-10-29 | 应城市新都化工有限责任公司 | Pneumatic conveying system for chemical production |
| CN205708877U (en) * | 2016-05-06 | 2016-11-23 | 华润电力登封有限公司 | A kind of pneumatic ash transmitting system and storehouse pump thereof |
| CN207632115U (en) * | 2017-12-19 | 2018-07-20 | 中科合肥煤气化技术有限公司 | A kind of coal gasification pneumatic ash transmitting system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590599A (en) * | 2022-03-29 | 2022-06-07 | 浙江固特气动科技股份有限公司 | A pneumatic ash conveying valve |
| CN117004787A (en) * | 2023-08-07 | 2023-11-07 | 重庆钢铁股份有限公司 | A blast furnace gas dust removal system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180601 |