CN202208530U - Pneumatic coal-conveying device - Google Patents
Pneumatic coal-conveying device Download PDFInfo
- Publication number
- CN202208530U CN202208530U CN2011203044060U CN201120304406U CN202208530U CN 202208530 U CN202208530 U CN 202208530U CN 2011203044060 U CN2011203044060 U CN 2011203044060U CN 201120304406 U CN201120304406 U CN 201120304406U CN 202208530 U CN202208530 U CN 202208530U
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- bin
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- 239000003245 coal Substances 0.000 claims abstract description 143
- 239000000463 material Substances 0.000 claims abstract description 17
- 241000273930 Brevoortia tyrannus Species 0.000 claims description 75
- 239000000109 continuous material Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 239000002817 coal dust Substances 0.000 abstract description 3
- 239000003077 lignite Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 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
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a pneumatic coal-conveying device and belongs to coal-conveying devices. The pneumatic coal-conveying device structurally comprises air storage tanks, two dryers, conveying bin pumps, a coal storage bin and a control system. Two conveying bin pumps are respectively arranged on the lower portion of each dryer and the lower portion of the coal storage bin. Two conveying bin pumps are connected with two air storage tanks respectively, and the conveying bin pumps arranged on the lower portion of the dryers are respectively connected with the coal storage bin, a first furnace top coal bin, a second furnace top coal bin and a third furnace top coal bin. The conveying bin pumps arranged on the lower portion of the coal storage bin are respectively connected with the first furnace top coal bin, the second furnace top coal bin and the third furnace top coal bin. An outer bypass pressure boost device and a boost bent pipe are respectively arranged on the conveying bin pumps arranged on the lower portion of the dryers and a material conveying pipe arranged at output ends of the conveying bin pumps positioned on the lower portion of the coal storage bin. The control system is connected with a local control box of the conveying bin pumps. The pneumatic coal-conveying device has the advantages that the occupied area of the device is small, the investment is not much, the operating cost is low, and the problem of serious pollution caused by coal dust flying is solved, and the hidden danger of flammability and explosiveness is avoided, and the like.
Description
Technical field
The utility model relates to a kind of defeated device for coal, especially a kind of pneumatic coal handling device.
Background technology
Now when brown coal are carried, employing be traditional belt corridor mode of movement, and the belt porch mode of movement gradient can not surpass 11 ° when carrying, fed distance is longer, needs to adopt multistage conveying, increased cost of investment, and floor area is big; Brown coal very easily produce airborne dust when carrying, cause environmental pollution; And brown coal are in the belt course of conveying, the continuous dust of accumulation, and long time integration is too much, causes spontaneous combustion easily, has certain potential safety hazard; The belt porch mode of movement has increased operating personal determine a post number and work capacity.At present, good solution is not also arranged.
The utility model content
The technical assignment of the utility model is a kind of pneumatic coal handling device to be provided to above-mentioned deficiency of the prior art, and it is little that this pneumatic coal handling device has an occupation area of equipment, and the small investment over-the-road expense is low; Adopt closed conduit formula mode of movement, solved coal dust and flown upward the gross pollution problem that causes, particularly the conveying after the brown coal oven dry is reduced dust pollution, use unreactable gas to carry, do not have inflammable and explosive dangerous hidden danger; And have certain safe reliability simultaneously, adopt advanced control system, make equipment operation more steadily reliable; The determine a post characteristics of number and work capacity of operating personal have been reduced.
The utility model solves the technical scheme that its technical matters adopted: it comprises storage tank, drier, conveying storehouse pump, coal store and control system; Described drier is two; The bottom of described every drier and the bottom of coal store are respectively arranged with two and carry the storehouse pump; Carry the storehouse pump to link to each other with two storage tanks respectively for described two; The conveying storehouse pump of described drier bottom links to each other with coal store, the first furnace roof coal bunker, the second furnace roof coal bunker and the 3rd furnace roof coal bunker through conveying pipeline respectively; The conveying storehouse pump of described coal store bottom links to each other with the first furnace roof coal bunker, the second furnace roof coal bunker and Di Di three furnace roof coal bunkers through conveying pipeline respectively; Be respectively arranged with outer bypass pressurizer and boosting bend pipe on the conveying storehouse delivery side of pump conveying pipeline of the conveying storehouse pump of described drier bottom and coal store bottom, described control system links to each other with the local control box of carrying the storehouse pump.
Be respectively arranged with the pneumatic line transfer valve on the conveying storehouse pump of described drier bottom and the conveying pipeline between the coal store and on the conveying pipeline between the first furnace roof coal bunker, described pneumatic line transfer valve links to each other with control system.
Carry two of storehouse pump and coal store bottom to carry the storehouse pump to link to each other with conveying pipeline through the branch road pipe respectively for two of described every drier bottom, described branch road pipe is provided with manual blow-off valve.
The top of described coal store, the first furnace roof coal bunker, the second furnace roof coal bunker and the 3rd furnace roof coal bunker is respectively arranged with pulsed jet cloth filter, explosion-proof continuous material level meter, pressure vacuum Dump valve and explosion-proof high charge level meter, and described pulsed jet cloth filter, explosion-proof continuous material level meter, pressure vacuum Dump valve and explosion-proof high charge level score do not link to each other with control system.
Be respectively arranged with pneumatic shunt valve on the conveying pipeline on the described first furnace roof coal bunker and the second furnace roof coal bunker top, described pneumatic shunt valve links to each other with control system.
Described outer bypass pressurizer comprises outer by passage, pressure charging valve group and blwr; Described pressure charging valve group is arranged on the outer by passage; Blwr is arranged on the conveying pipeline of carrying storehouse pump output terminal and the defeated material of level; Described outer by passage one end links to each other with blwr, another termination storage tank.
Described boosting bend pipe comprises the bend pipe body, and described bend pipe body is provided with air inlet pipe, and described air inlet pipe is provided with one-way pneumatic diaphragm valve group.
The pneumatic coal handling device of the utility model is compared with prior art, and have following outstanding beneficial effect: occupation area of equipment is little, and the small investment over-the-road expense is low, and it is reliable to operate steadily, and maintenance rate is low, reduces maintenance and inspection man-hours, practices thrift the labor management expense; Adopt closed conduit formula mode of movement, solved coal dust and flown upward and cause the gross pollution problem, reach the requirement of atmosphere environmental protection high standard, particularly the conveying after the brown coal oven dry is reduced dust pollution, use unreactable gas to carry, do not have inflammable and explosive dangerous hidden danger; And have certain safe reliability simultaneously, adopt advanced control system, make equipment operation more steadily reliable; Operating personal determine a post number and work capacity have been reduced; It is not only the pipe conveying equipment of best modern appearance, is again simultaneously the advanced characteristics such as transfer rings protection device of a cover.
Description of drawings
Accompanying drawing 1 is the main TV structure scheme drawing of pneumatic coal handling device;
Accompanying drawing 2 is plan structure scheme drawings of pneumatic coal handling device;
Description of reference numerals: 1, control system, 2, pneumatic shunt valve, 3, pulsed jet cloth filter, 4, explosion-proof continuous material level meter, 5, the pressure vacuum Dump valve, 6, explosion-proof high charge level meter; 7, the first furnace roof coal bunker, 8, the second furnace roof coal bunker, the 9, the 3rd furnace roof coal bunker, 10, coal store, 11, storage tank; 12, drier, 13, the pneumatic line transfer valve, 14, storehouse pump air inlet valve group, 15, pneumatic valve for sealing material, 16, pneumatic close air valve; 17, pressure transformer, 18, air inlet pipe, 19, the bend pipe body, 20, one-way pneumatic diaphragm valve group, 21, conveying pipeline; 22, pneumatic blow off valve, 23, local control box, 24, pneumatic blow-off valve, 25, blwr, 26, storehouse pump level-sensing device; 27, pressure charging valve group, 28, carry the storehouse pump, 29, manual blow-off valve, 30, the branch road pipe, 31, outer by passage.
The specific embodiment
With reference to explanation at length below the pneumatic coal handling device work of Figure of description 1 and 2 pairs of the utility model of accompanying drawing.
The pneumatic coal handling device of the utility model; Its structure comprises storage tank 11, drier 12, carries storehouse pump 28, coal store 10 and control system 1; Described drier 12 is two; The bottom of the bottom of described every drier 12 and coal store 10 is respectively arranged with two and carries storehouse pump 28; Carry storehouse pump 28 to link to each other with two storage tanks 11 respectively for described two; The conveying storehouse pump 28 of described drier 12 bottoms links to each other with the 3rd furnace roof coal bunker 9 through conveying pipeline 21 and coal store 10, the first furnace roof coal bunker 7, the second furnace roof coal bunker 8 respectively; The conveying storehouse pump 28 of described coal store 10 bottoms links to each other with the 3rd furnace roof coal bunker 9 with the first furnace roof coal bunker 7, the second furnace roof coal bunker 8 through conveying pipeline 21 respectively, is respectively arranged with outer bypass pressurizer and boosting bend pipe on the mouth conveying pipeline 21 of the conveying storehouse pump 28 of described drier 12 bottoms and the conveying storehouse pump 28 of coal store 10 bottoms, and described control system 1 links to each other with the local control box 23 of conveying storehouse pump 28.
Be respectively arranged with pneumatic line transfer valve 13 on the conveying storehouse pump 28 of described drier 12 bottoms and the conveying pipeline 21 between the coal store 10 and on the conveying pipeline 21 between the first furnace roof coal bunker 7, described pneumatic line transfer valve 13 links to each other with control system 1.Be used for the automatic switchover of a diffuser when plural feed bin convey materials.
Two of described every drier 12 bottoms carry storehouse pump 28 and coal store 10 bottoms two to carry storehouse pumps 28 to manage 30 through the branch road respectively and link to each other with conveying pipeline 21, described branch road is managed 30 and is provided with manual blow-off valve 29.Carry the isolation between storehouse pump 28 and the conveying pipeline 21 when being used to carry 28 maintenance of storehouse pump.
The top of described coal store 10, the first furnace roof coal bunker 7, the second furnace roof coal bunker 8 and the 3rd furnace roof coal bunker 9 is respectively arranged with pulsed jet cloth filter 3, explosion-proof continuous material level meter 4, pressure vacuum Dump valve 5 and explosion-proof high charge level meter 6, and described pulsed jet cloth filter 3, explosion-proof continuous material level meter 4, pressure vacuum Dump valve 5 link to each other with control system 1 respectively with explosion-proof high charge level meter 6.
Be respectively arranged with pneumatic shunt valve 2 on the conveying pipeline 21 on described first furnace roof coal bunker 7 and the second furnace roof coal bunker, 8 tops, described pneumatic shunt valve 2 links to each other with control system 1.Be used for the automatic switchover of a diffuser when plural feed bin convey materials.
Described outer bypass pressurizer comprises outer by passage 31, pressure charging valve group 27 and blwr 25; Described pressure charging valve group 27 is arranged on the outer by passage 31; Blwr 25 is arranged on the conveying pipeline 21 of carrying storehouse pump 28 mouths; Described outer by passage 31 1 ends link to each other with blwr 25, another termination storage tank 11.
Described boosting bend pipe comprises bend pipe body 19, and described bend pipe body 19 is provided with air inlet pipe 18, and described air inlet pipe 18 is provided with one-way pneumatic diaphragm valve group 20.
The conveying storehouse pump 28 that brown coal by gravity after drier 12 dryings gets into drier 12 bottoms sends; Two drier 12 operation scheme the using and the reserved; Conveying storehouse pump 28 alternate run work under every drier 12, the pneumatic line transfer valve 13 in conveying pipeline 21 and pneumatic shunt valve 2 can be respectively be delivered to coal store 10, the first furnace roof coal bunker 7, the second furnace roof coal bunker 8 and the 3rd furnace roof coal bunker 9 with brown coal.Brown coal are under action of gravity in the coal store 10; Entering is arranged on the conveying storehouse pump 28 of coal store 10 bottoms; Conveying storehouse pump 28 operation scheme of coal store 10 bottoms adopt alternate run, are delivered to the first furnace roof coal bunker 7, the second furnace roof coal bunker 8 and the 3rd furnace roof coal bunker 9 respectively through the pneumatic shunt valve 2 in the conveying pipeline 21.
Opening installation is in the pneumatic blow off valve 22 of the conveying storehouse of drier 12 bottoms and coal store 10 bottoms pump 28 upper lateral parts during charging; Pneumatic valve for sealing material 15, pneumatic close air valve 16 and pneumatic blow off valve 22 are in opening; Carry the pneumatic blow-off valve 24 of storehouse pump 28 to be in closed condition with storehouse pump air inlet valve group 14; Material is got into smoothly carry in the storehouse pump 28, carry the gas in the storehouse pump 28 to discharge through pneumatic blow off valve 22.In brown coal are being carried storehouse pump 28, reach the certain position material when full, be installed in the storehouse pump level-sensing device of carrying on the storehouse pump 28 26 and send little electric signal and give control system 1, control system 1 is received and is converted pneumatic-electric signal into behind the signal and give local control box 23; Close pneumatic valve for sealing material 15, pneumatic close air valve 16, pneumatic blow off valve 22 simultaneously, this moment, storehouse pump air inlet valve group 14 was opened, and gas is got into carry when pressurization boiling fluidisations reach certain pressure synchronously in the storehouse pump 28; Give control system 1 by being installed in pressure transformer 17 outgoing signals of carrying on the storehouse pump 28; Convert pneumatic-electric signal into by control system 1 and give pneumatic blow-off valve 24, open pneumatic blow-off valve 24 and make material under the air-flow effect, get in the conveying pipeline 21 with low flow velocity, high concentration; Material is carried under low flow velocity high concentration mode; For prevent that material from stopping up in conveying pipeline 21, conveying pipeline 21 is provided with outer bypass pressurizer and boosting bend pipe, plays pressurization and air supplement, anti-clogging effect; Outer bypass pressurizer, boosting bend pipe are connected with another bypass pressure piping; Whenever when material begins to carry, open 27 air inlets of pressure charging valve group, carry and close pressure charging valve group 27 when finishing a unit.
Except that the described technical characterictic of specification sheets, be the known technology of those skilled in the art.
Claims (7)
1. pneumatic coal handling device; It is characterized in that: comprise storage tank, drier, conveying storehouse pump, coal store and control system; Described drier is two; The bottom of described every drier and the bottom of coal store are respectively arranged with two and carry the storehouse pump; Carry the storehouse pump to link to each other with two storage tanks respectively for described two; The conveying storehouse pump of described drier bottom links to each other with coal store, the first furnace roof coal bunker, the second furnace roof coal bunker and the 3rd furnace roof coal bunker through conveying pipeline respectively; The conveying storehouse pump of described coal store bottom links to each other with the first furnace roof coal bunker, the second furnace roof coal bunker and Di Di three furnace roof coal bunkers through conveying pipeline respectively, is respectively arranged with outer bypass pressurizer and boosting bend pipe on the conveying storehouse delivery side of pump conveying pipeline of the conveying storehouse pump of described drier bottom and coal store bottom, and described control system links to each other with the local control box of carrying the storehouse pump.
2. pneumatic coal handling device according to claim 1; It is characterized in that: be respectively arranged with the pneumatic line transfer valve on the conveying storehouse pump of described drier bottom and the conveying pipeline between the coal store and on the conveying pipeline between the first furnace roof coal bunker, described pneumatic line transfer valve links to each other with control system.
3. pneumatic coal handling device according to claim 1; It is characterized in that: carry two of storehouse pump and coal store bottom to carry the storehouse pump to link to each other with conveying pipeline through the branch road pipe respectively for two of described every drier bottom, described branch road pipe is provided with manual blow-off valve.
4. pneumatic coal handling device according to claim 1; It is characterized in that: the top of described coal store, the first furnace roof coal bunker, the second furnace roof coal bunker and the 3rd furnace roof coal bunker is respectively arranged with pulsed jet cloth filter, explosion-proof continuous material level meter, pressure vacuum Dump valve and explosion-proof high charge level meter, and described pulsed jet cloth filter, explosion-proof continuous material level meter, pressure vacuum Dump valve and explosion-proof high charge level score do not link to each other with control system.
5. pneumatic coal handling device according to claim 1 is characterized in that: be respectively arranged with pneumatic shunt valve on the conveying pipeline on the described first furnace roof coal bunker and the second furnace roof coal bunker top, described pneumatic shunt valve links to each other with control system.
6. pneumatic coal handling device according to claim 1; It is characterized in that: described outer bypass pressurizer comprises outer by passage, pressure charging valve group and blwr; Described pressure charging valve group is arranged on the outer by passage; Blwr is arranged on the conveying pipeline of carrying storehouse pump output terminal and the defeated material of level, and described outer by passage one end links to each other another termination storage tank with blwr.
7. pneumatic coal handling device according to claim 1 is characterized in that: described boosting bend pipe comprises the bend pipe body, and described bend pipe body is provided with air inlet pipe, and described air inlet pipe is provided with one-way pneumatic diaphragm valve group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203044060U CN202208530U (en) | 2011-08-19 | 2011-08-19 | Pneumatic coal-conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203044060U CN202208530U (en) | 2011-08-19 | 2011-08-19 | Pneumatic coal-conveying device |
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| Publication Number | Publication Date |
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| CN202208530U true CN202208530U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203044060U Expired - Lifetime CN202208530U (en) | 2011-08-19 | 2011-08-19 | Pneumatic coal-conveying device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072824A (en) * | 2013-01-29 | 2013-05-01 | 韩旭新 | Improved pneumatic coal conveying device |
| CN103332458A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Pneumatic conveying system for removing dust and fine ash in dry process of converter gas |
| CN104555451A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Pneumatic wheat conveying system |
| CN104555456A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Automatic electrical control system of pneumatic wheat conveying system |
| CN104791778A (en) * | 2015-01-28 | 2015-07-22 | 镇江纽普兰气力输送有限公司 | Pneumatic boiler bed material adding system |
| CN108163551A (en) * | 2017-12-08 | 2018-06-15 | 北京神雾电力科技有限公司 | Low order fine coal air-transport system |
| CN109552886A (en) * | 2018-12-07 | 2019-04-02 | 云南云天化石化有限公司 | Boiler plant pressurization bed material transportation system |
| CN114873274A (en) * | 2022-06-16 | 2022-08-09 | 河南省中联玻璃有限责任公司 | Pneumatic remote multi-path conveying device for powder/particle raw materials and shunt air volume compensation control method |
-
2011
- 2011-08-19 CN CN2011203044060U patent/CN202208530U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072824A (en) * | 2013-01-29 | 2013-05-01 | 韩旭新 | Improved pneumatic coal conveying device |
| CN103332458A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Pneumatic conveying system for removing dust and fine ash in dry process of converter gas |
| CN103332458B (en) * | 2013-06-28 | 2015-09-02 | 中冶南方工程技术有限公司 | The thin grey air-transport system of a kind of dry dedusting of converter |
| CN104555451A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Pneumatic wheat conveying system |
| CN104555456A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Automatic electrical control system of pneumatic wheat conveying system |
| CN104791778A (en) * | 2015-01-28 | 2015-07-22 | 镇江纽普兰气力输送有限公司 | Pneumatic boiler bed material adding system |
| CN108163551A (en) * | 2017-12-08 | 2018-06-15 | 北京神雾电力科技有限公司 | Low order fine coal air-transport system |
| CN109552886A (en) * | 2018-12-07 | 2019-04-02 | 云南云天化石化有限公司 | Boiler plant pressurization bed material transportation system |
| CN114873274A (en) * | 2022-06-16 | 2022-08-09 | 河南省中联玻璃有限责任公司 | Pneumatic remote multi-path conveying device for powder/particle raw materials and shunt air volume compensation control method |
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Owner name: JI'NAN YULONG PNEUMATIC CONVEYING EQUIPMENT CO., L Free format text: FORMER OWNER: HAN XUXIN Effective date: 20130313 Owner name: HAN XUXIN Effective date: 20130313 |
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Effective date of registration: 20130313 Address after: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee after: JINAN YULONG PNEUMATIC CONVEYING EQUIPMENT Co.,Ltd. Patentee after: Han Xuxin Address before: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee before: Han Xuxin |
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Owner name: JI'NAN YULONG PNEUMATIC CONVEYING EQUIPMENT CO., L Free format text: FORMER OWNER: HAN XUXIN Effective date: 20130325 Free format text: FORMER OWNER: HAN XUXIN Effective date: 20130325 Owner name: HAN XUXIN Free format text: FORMER OWNER: JI'NAN YULONG PNEUMATIC CONVEYING EQUIPMENT CO., LTD. Effective date: 20130325 |
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Effective date of registration: 20130325 Address after: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee after: JINAN YULONG PNEUMATIC CONVEYING EQUIPMENT Co.,Ltd. Address before: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee before: Han Xuxin Effective date of registration: 20130325 Address after: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee after: Han Xuxin Address before: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee before: JINAN YULONG PNEUMATIC CONVEYING EQUIPMENT Co.,Ltd. Patentee before: Han Xuxin |
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Address after: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee after: SHANDONG YULONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Mingshui town Zhangqiu City Industrial Park in Ji'nan city of Shandong Province Wang in 250200 Patentee before: JINAN YULONG PNEUMATIC CONVEYING EQUIPMENT Co.,Ltd. |
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