CN204777658U - Economizer ash conveying system - Google Patents
Economizer ash conveying system Download PDFInfo
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- CN204777658U CN204777658U CN201520402156.2U CN201520402156U CN204777658U CN 204777658 U CN204777658 U CN 204777658U CN 201520402156 U CN201520402156 U CN 201520402156U CN 204777658 U CN204777658 U CN 204777658U
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- conveying pipe
- ash
- ash conveying
- economizer
- along journey
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Abstract
The utility model discloses an economizer ash conveying system, including economizer ash bucket (1), manual push -pull valve (2), delivery pump (3), ash conveying pipe (4), pipeline compensator (5), along journey air supplement unit (6) and storage grey storehouse (7), manual push -pull valve (2) and delivery pump (3) connect gradually in economizer ash bucket (1) below, delivery pump (3) are connected through ash conveying pipe (4) with the grey storehouse of storage (7), pipeline compensator (5) set up on ash conveying pipe (4) behind delivery pump (3) of end, along journey air supplement unit (6) set up ash conveying pipe (4) outside just with ash conveying pipe (4) parallel arrangement. The utility model discloses having replaced and traditional will having followed the nested form in ash conveying pipe of journey air supplement unit, will follow journey air supplement unit and ash conveying pipe parallel arrangement, avoided along journey air supplement unit's wearing and tearing, the convenient maintenance is changed, does not occupy the ash conveying pipe inner space, has improved the transport efficiency to the ash, is suitable for and popularizes and applies at coal fired power plant.
Description
Technical field
The utility model relates to a kind of grey delivery system, particularly a kind of economizer ash delivery system, belongs to coal fired power plant ash conveying technology field.
Background technology
Current China coal-fired power station boiler flying dust generally adopts the mode of malleation thick and thin phase burner to collect, particularly for the conveying of coal-burning boiler coal economizer ash.Economizer ash has the advantages that particle is thick, temperature is high, ash quantity is relatively less.Because economizer ash is comparatively thick, in course of conveying, easy accumulated plugging, has certain conveying difficulty.For preventing stifled ash, need to arrange tonifying Qi point at ash conveying pipe along journey.
Existing delivery duct adopts the form of inner sleeve usually, namely be nested in ash conveying pipe along journey blowdown pipe, this washes away lower easy to wear with regard to existing along journey blowdown pipe at ash, the problem even come off, and general economizer ash pipe specification less (being generally DN100 or DN125), adopt the form of inner sleeve to make in ash pipeline, to utilize space to reduce, affect transport efficiency.In addition, the delivery system of existing economizer ash adopts a dress usually, and namely economizer ash transmission pump is arranged on below ash bucket on inspection platform, and expansion joint is arranged between economizer hopper and transmission pump, needs very large installing space; Meanwhile, when boiler operatiopn, economizer hopper expands downwards, and inspection platform can bear larger load, and it is unfavorable to run equipment.
Utility model content
The purpose of this utility model is, a kind of economizer ash delivery system is provided, it be arranged on outside ash conveying pipe along journey making-up air device, be arranged in parallel with ash conveying pipe, avoiding problems the wearing and tearing and the problem that comes off that adopt inner sleeve, also facilitate examine and replace, and do not take the inner space of ash conveying pipe, improve the transport efficiency of ash.
The technical solution of the utility model: a kind of economizer ash delivery system, comprise economizer hopper, hand operated gate valve, transmission pump, ash conveying pipe, pipeline compensator, along journey making-up air device with store up grey storehouse, hand operated gate valve and transmission pump are connected in turn below economizer hopper, transmission pump is connected by ash conveying pipe with the grey storehouse of storage, pipeline compensator is arranged on the ash conveying pipe after the transmission pump of end, is arranged on ash conveying pipe outer and be arranged in parallel with ash conveying pipe along journey making-up air device.Be arranged on outside ash conveying pipe along journey making-up air device, layout in parallel, avoids wearing and tearing, convenient for maintaining, and does not take the inner space of ash conveying pipe, improves transport efficiency; Because economizer ash quantity is relatively few, transmission pump can adopt little positive displacement pump, is directly lifted on below economizer hopper, needs less installing space; Pipeline compensator is arranged on the horizontal segment ash conveying pipe after the transmission pump of end, the thermal expansion amount of Absorbable rod economizer hopper.
In aforesaid this economizer ash delivery system, comprise along journey making-up air device and mend pneumatic module along journey tonifying Qi pipeline with along journey, mend pneumatic module one end along journey and be connected with along journey tonifying Qi pipeline, the other end is connected with ash conveying pipe.Be arranged in parallel along journey tonifying Qi pipeline and ash conveying pipe, mend pneumatic module install a set of from the transmission pump outlet of end at a certain distance along journey, when economizer ash is directly delivered to the grey storehouse of storage, the installing space often overlapped along journey benefit pneumatic module is generally 4m.
In aforesaid this economizer ash delivery system, mend pneumatic module along journey and comprise non-return valve and air inlet orifice plate, air inlet orifice plate is arranged on along on journey tonifying Qi pipeline, and non-return valve one end is connected with air inlet orifice plate, and the other end is connected with ash conveying pipe.
In aforesaid this economizer ash delivery system, economizer hopper is provided with level-sensing device.Arrange level-sensing device, trigger controlling delivery system by high charge level in ash bucket, easily and effectively, material level counts prior art, can buy in market.
Compared with prior art, the utility model is carried coal-burning boiler coal economizer ash, delivery system is arranged on outside ash conveying pipe along journey making-up air device, be arranged in parallel with ash conveying pipe, instead of traditional form that will be nested in along journey making-up air device in ash conveying pipe, solve along journey making-up air device easy to wear under the washing away of ash, the problem even come off, and no longer take the inner space of ash conveying pipe, improve the transport efficiency of system to ash, there is the value applied at coal fired power plant.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present utility model;
Fig. 2 is the structural representation mending pneumatic module along journey.
Being labeled as in accompanying drawing: 1-economizer hopper, 2-hand operated gate valve, 3-transmission pump, 4-ash conveying pipe, 5-pipeline compensator, 6-is along journey making-up air device, and 7-stores up grey storehouse, and 8-is along journey tonifying Qi pipeline, 9-mends pneumatic module along journey, 10-non-return valve, 11-air inlet orifice plate, 12-level-sensing device.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1 of the present utility model: a kind of economizer ash delivery system, comprise economizer hopper 1, hand operated gate valve 2, transmission pump 3, ash conveying pipe 4, pipeline compensator 5, along journey making-up air device 6 with store up grey storehouse 7, hand operated gate valve 2 and transmission pump 3 are connected in turn below economizer hopper 1, transmission pump 3 is connected by ash conveying pipe 4 with the grey storehouse 7 of storage, pipeline compensator 5 is arranged on the ash conveying pipe 4 after the transmission pump 3 of end, is arranged on ash conveying pipe 4 outer and be arranged in parallel with ash conveying pipe 4 along journey making-up air device 6.Transmission pump 3 adopts little volume transmission pump, is lifted on economizer hopper 1 time by suspension rod, saves installing space, can move when economizer hopper 1 expands downwards together with ash bucket.Transmission pump 3 exit arranges pipeline compensator 5, can absorb the het expansion of economizer hopper 1.
Wherein, comprise along journey making-up air device 6 and mend pneumatic module 9 along journey tonifying Qi pipeline 8 with along journey, mend pneumatic module 9 one end along journey and be connected with along journey tonifying Qi pipeline 8, the other end is connected with ash conveying pipe 4.Namely be arranged in parallel along journey tonifying Qi pipeline 8 and ash conveying pipe 4.Connect from economizer ash conveying air feed mother pipe along journey tonifying Qi pipeline 8 source of the gas, control to open and close along journey tonifying Qi source of the gas by the operated pneumatic valve on pipeline.The grey storehouse 7 of storage is exported to from the transmission pump 3 of end, a set of along journey benefit pneumatic module 9 apart from installing every about 4m, also install a set of along journey benefit pneumatic module 9 after every platform transmission pump 3 simultaneously.
Mend pneumatic module 9 along journey and comprise non-return valve 10 and air inlet orifice plate 11, air inlet orifice plate 11 is arranged on along on journey tonifying Qi pipeline 8, and non-return valve 10 one end is connected with air inlet orifice plate 11, and the other end is connected with ash conveying pipe 4.
In addition, economizer hopper 1 is provided with level-sensing device 12.
Embodiment 2 of the present utility model: a kind of economizer ash delivery system, comprise economizer hopper 1, hand operated gate valve 2, transmission pump 3, ash conveying pipe 4, pipeline compensator 5, along journey making-up air device 6 with store up grey storehouse 7, hand operated gate valve 2 and transmission pump 3 are connected in turn below economizer hopper 1, transmission pump 3 is connected by ash conveying pipe 4 with the grey storehouse 7 of storage, pipeline compensator 5 is arranged on the ash conveying pipe 4 after the transmission pump 3 of end, is arranged on ash conveying pipe 4 outer and be arranged in parallel with ash conveying pipe 4 along journey making-up air device 6.Transmission pump 3 adopts little volume transmission pump, is lifted on economizer hopper 1 time by suspension rod, saves installing space, can move when economizer hopper 1 expands downwards together with ash bucket.Transmission pump 3 exit arranges pipeline compensator 5, can absorb the het expansion of economizer hopper 1.
Wherein, comprise along journey making-up air device 6 and mend pneumatic module 9 along journey tonifying Qi pipeline 8 with along journey, mend pneumatic module 9 one end along journey and be connected with along journey tonifying Qi pipeline 8, the other end is connected with ash conveying pipe 4.Namely be arranged in parallel along journey tonifying Qi pipeline 8 and ash conveying pipe 4.Connect from economizer ash conveying air feed mother pipe along journey tonifying Qi pipeline 8 source of the gas, control to open and close along journey tonifying Qi source of the gas by the operated pneumatic valve on pipeline.The grey storehouse 7 of storage is exported to from the transmission pump 3 of end, a set of along journey benefit pneumatic module 9 apart from installing every about 4m, also install a set of along journey benefit pneumatic module 9 after every platform transmission pump 3 simultaneously.
Mend pneumatic module 9 along journey and comprise non-return valve 10 and air inlet orifice plate 11, air inlet orifice plate 11 is arranged on along on journey tonifying Qi pipeline 8, and non-return valve 10 one end is connected with air inlet orifice plate 11, and the other end is connected with ash conveying pipe 4.
Embodiment 3 of the present utility model: a kind of economizer ash delivery system, comprise economizer hopper 1, hand operated gate valve 2, transmission pump 3, ash conveying pipe 4, pipeline compensator 5, along journey making-up air device 6 with store up grey storehouse 7, hand operated gate valve 2 and transmission pump 3 are connected in turn below economizer hopper 1, transmission pump 3 is connected by ash conveying pipe 4 with the grey storehouse 7 of storage, pipeline compensator 5 is arranged on the ash conveying pipe 4 after the transmission pump 3 of end, is arranged on ash conveying pipe 4 outer and be arranged in parallel with ash conveying pipe 4 along journey making-up air device 6.Transmission pump 3 adopts little volume transmission pump, is lifted on economizer hopper 1 time by suspension rod, saves installing space, can move when economizer hopper 1 expands downwards together with ash bucket.Transmission pump 3 exit arranges pipeline compensator 5, can absorb the het expansion of economizer hopper 1.
Wherein, comprise along journey making-up air device 6 and mend pneumatic module 9 along journey tonifying Qi pipeline 8 with along journey, mend pneumatic module 9 one end along journey and be connected with along journey tonifying Qi pipeline 8, the other end is connected with ash conveying pipe 4.Namely be arranged in parallel along journey tonifying Qi pipeline 8 and ash conveying pipe 4.Connect from economizer ash conveying air feed mother pipe along journey tonifying Qi pipeline 8 source of the gas, control to open and close along journey tonifying Qi source of the gas by the operated pneumatic valve on pipeline.The grey storehouse 7 of storage is exported to from the transmission pump 3 of end, a set of along journey benefit pneumatic module 9 apart from installing every about 4m, also install a set of along journey benefit pneumatic module 9 after every platform transmission pump 3 simultaneously.
Principle of work of the present utility model: during boiler operatiopn, flying dust is settled down to economizer hopper 1, transmission pump 3 is fallen into through hand operated gate valve 2, pressurized air is adopted to send into ash conveying pipe 4 and carry, pipeline compensator 5 absorbs the swell increment of economizer hopper 1, tonifying Qi is carried out along journey making-up air device 6 pairs of ash conveying pipes 4 in course of conveying, prevent ash deposition blocking in ash conveying pipe 4, ash is transported to the grey storehouse 7 of storage the most at last; Native system includes full factory control system in, triggers controlling delivery system, also by arranging transmission pump 3 blanking and the intercycle time controls delivery system during operation by high charge level in economizer hopper 1.
Claims (4)
1. an economizer ash delivery system, it is characterized in that: comprise economizer hopper (1), hand operated gate valve (2), transmission pump (3), ash conveying pipe (4), pipeline compensator (5), along journey making-up air device (6) and the grey storehouse of storage (7), hand operated gate valve (2) and transmission pump (3) are connected to economizer hopper (1) below in turn, transmission pump (3) is connected by ash conveying pipe (4) with the grey storehouse of storage (7), pipeline compensator (5) is arranged on the ash conveying pipe (4) after the transmission pump (3) of end, ash conveying pipe (4) is arranged on and be arranged in parallel with ash conveying pipe (4) outward along journey making-up air device (6).
2. economizer ash delivery system according to claim 1, it is characterized in that: comprise along journey making-up air device (6) and mend pneumatic module (9) along journey tonifying Qi pipeline (8) with along journey, mend pneumatic module (9) one end along journey to be connected with along journey tonifying Qi pipeline (8), the other end is connected with ash conveying pipe (4).
3. economizer ash delivery system according to claim 2, it is characterized in that: mend pneumatic module (9) along journey and comprise non-return valve (10) and air inlet orifice plate (11), air inlet orifice plate (11) is arranged on along on journey tonifying Qi pipeline (8), non-return valve (10) one end is connected with air inlet orifice plate (11), and the other end is connected with ash conveying pipe (4).
4. economizer ash delivery system according to claim 1, is characterized in that: economizer hopper (1) is provided with level-sensing device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402156.2U CN204777658U (en) | 2015-06-11 | 2015-06-11 | Economizer ash conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402156.2U CN204777658U (en) | 2015-06-11 | 2015-06-11 | Economizer ash conveying system |
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| CN204777658U true CN204777658U (en) | 2015-11-18 |
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| CN201520402156.2U Active CN204777658U (en) | 2015-06-11 | 2015-06-11 | Economizer ash conveying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410042A (en) * | 2020-05-07 | 2020-07-14 | 西安华电清洁能源技术有限公司 | Anti-blocking energy-saving system and method suitable for powder conveying system |
| CN114955555A (en) * | 2022-06-27 | 2022-08-30 | 纽普兰能源科技(镇江)有限公司 | Storehouse pump ash bucket structure for positive and negative integrated multifunctional pump and use method |
-
2015
- 2015-06-11 CN CN201520402156.2U patent/CN204777658U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410042A (en) * | 2020-05-07 | 2020-07-14 | 西安华电清洁能源技术有限公司 | Anti-blocking energy-saving system and method suitable for powder conveying system |
| CN114955555A (en) * | 2022-06-27 | 2022-08-30 | 纽普兰能源科技(镇江)有限公司 | Storehouse pump ash bucket structure for positive and negative integrated multifunctional pump and use method |
| CN114955555B (en) * | 2022-06-27 | 2023-11-21 | 纽普兰能源科技(镇江)有限公司 | Cabin pump ash bucket structure for positive and negative integrated multifunctional pump and use method |
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| C14 | Grant of patent or utility model | ||
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Address after: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Patentee after: CHINA HUADIAN ENGINEERING CO., LTD. Patentee after: China Huadian Engineering (Group) Co., Ltd. Design Institute Address before: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Patentee before: China Huadian Engineering (Group) Co., Ltd. Patentee before: China Huadian Engineering (Group) Co., Ltd. Design Institute |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170606 Address after: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Patentee after: CHINA HUADIAN ENGINEERING CO., LTD. Address before: 100160 Beijing, Fengtai District Automobile Museum Road, No. 6, Ying Kun century A block, floor 11 Co-patentee before: China Huadian Engineering (Group) Co., Ltd. Design Institute Patentee before: CHINA HUADIAN ENGINEERING CO., LTD. |
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| TR01 | Transfer of patent right |