CN204433807U - A kind of economizer ash discharge transport path switches and control system - Google Patents
A kind of economizer ash discharge transport path switches and control system Download PDFInfo
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- CN204433807U CN204433807U CN201420806241.0U CN201420806241U CN204433807U CN 204433807 U CN204433807 U CN 204433807U CN 201420806241 U CN201420806241 U CN 201420806241U CN 204433807 U CN204433807 U CN 204433807U
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- fly ash
- ash discharge
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Abstract
The utility model discloses a kind of economizer ash discharge transport path to switch and control system, comprise the air system be arranged on economizer platform, fly ash carry pumping system and dust removing system, air system comprises the switch valve be connected with pressurized air inlet main pipe, the first pipe-line control valve unit be set up in parallel, the second pipe-line control valve unit and the pressure transformer accessory that are connected by transfer line with switch valve; Fly ash carry pumping system is multiple fly ash carry pumps connected successively; Pressure transformer accessory is connected with top fly ash carry pump; Dust removing system comprises the economizer ash discharge mother be connected with end fly ash carry pump and manages, and the female pipe of economizer ash discharge adopts wear resistant three-way that economizer ash discharge is divided into two-way, and a road is to Hui Ku direction, and a road is to direction, slag storehouse.The utility model achieves ash-transmission system in same engineering can by fly ash carry to different defeated grey terminal.It is convenient to implement, and applicability is strong, and energy consumption is lower, and system wear is little, works smooth and easy, good reliability.
Description
Technical field
The utility model relates to the treatment technology of economizer ash, especially relates to a kind of economizer ash discharge transport path and switches and control system.
Background technology
At present, in view of the economizer hopper position of coal burning boiler is higher, arrangement space is limited, and the Green design requirements such as country water saving, environmental protection, almost seldom adopt waterpower, negative pressure ash conveyer mode again, more generally adopt malleation thick and thin phase burner mode.
Malleation concentrated phase pneumatic ash transmitting system, restrict by many factors such as convey materials self-characteristic, temperature, design pressure, fed distance, grey gas mixture ratios, in current design and operation, all adopt single channel ash-transmission system by fly ash carry extremely grey storehouse, slag storehouse, dust exhaustor inlet conduits, or after being incorporated to the female pipe of the defeated ash of dust exhaustor one electric field, unification enter Hui Ku.These four kinds defeated grey terminals, in an engineering, can only corresponding a set of supply unit, because fed distance, observable index are different, be difficult to the actual needs simultaneously meeting multiple defeated grey terminal.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of economizer ash discharge transport path is provided to switch and control system, the utility model is guaranteeing technological process, defeated ash smoothly on basis, under meeting the prerequisite of comprehensive application market user demand, can in same engineering ash-transmission system by fly ash carry to different defeated grey terminal.It is convenient to implement, applicability is strong, break because of the conveying of economizer ash discharge self-characteristic difficulty, easily plugging, the tradition conveying limitation that easy to wear, an engineering can only be equipped with a defeated grey terminal, reduce the energy consumption of conveying flying dust, reduce the wearing and tearing to system unit, be beneficial to the smooth and easy of fly ash carry process, guarantee the permanently effective operation of power plant's economizer dust removing system, for solid waste resource, recycling create favorable conditions.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of economizer ash discharge transport path switches and control system, comprises the air system be arranged on economizer platform, fly ash carry pumping system and dust removing system; Described air system comprises the switch valve be connected with pressurized air inlet main pipe, the first pipe-line control valve unit be set up in parallel, the second pipe-line control valve unit and the pressure transformer accessory that are connected by transfer line with switch valve; Described fly ash carry pumping system is multiple fly ash carry pumps connected successively; Described pressure transformer accessory is connected with the fly ash carry pump at fly ash carry pumping system top; Described dust removing system comprises the economizer ash discharge mother be connected with the fly ash carry pump of fly ash carry pumping system end and manages, and the female pipe of described economizer ash discharge adopts wear resistant three-way that economizer ash discharge is divided into two-way, and a road is to Hui Ku direction, and a road is to direction, slag storehouse.
Further, described first pipe-line control valve unit comprises the first electric gate valve, the first electric flow control valve, the first boiler check valve that are successively set on a pipeline be communicated with pressurized air inlet main pipe; Described second pipe-line control valve unit comprises the second electric gate valve, the second electric flow control valve, the second boiler check valve that are successively set on another pipeline be communicated with pressurized air inlet main pipe.
Further, described fly ash carry pump top is disposed with grey gate valve, ash tube section, manually-operated gate, circumference joint, connects between grey gate valve and ash tube section with expansion joint.
Further, the pipeline that described wear resistant three-way mouth leads to Hui Ku direction is provided with the 3rd electric gate valve.
Further, the pipeline that described wear resistant three-way mouth leads to direction, slag storehouse is provided with the 4th electric gate valve.
Further, described first electric gate valve, the second electric gate valve corresponding 3rd electric gate valve and the 4th electric gate valve respectively.
Further, described first electric gate valve, the second electric gate valve, the 3rd electric gate valve and the 4th electric gate valve adopt chain control.
Further, the control system of described first electric gate valve, the second electric gate valve, the 3rd electric gate valve and the 4th electric gate valve be industrial computer system, PLC system, DCS system any one.
The utility model compared with prior art has the following advantages:
The utility model is on guaranteeing that technological process, defeated ash are smoothly on basis, and under meeting the prerequisite of comprehensive application market user demand, achieving ash-transmission system in same engineering can by fly ash carry to the up-to-date technology of different defeated grey terminal.It is convenient to implement, applicability is strong, break because of the conveying of economizer ash discharge self-characteristic difficulty, easily plugging, the tradition conveying limitation that easy to wear, an engineering can only be equipped with a defeated grey terminal, reduce the energy consumption of conveying flying dust, reduce the wearing and tearing to system unit, be beneficial to the smooth and easy of fly ash carry process, guarantee the permanently effective operation of power plant's economizer dust removing system, for solid waste resource, recycling create favorable conditions.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and wherein, the right of boiler symmetrical center line is air system, and left is dust removing system;
Fig. 2 is the partial enlarged drawing of Fig. 1.
1, economizer platform, 2, fly ash carry pump, the 3, first electric gate valve, 4, the second electric gate valve, the 5, first electric flow control valve, the 6, second electric flow control valve, 7, the first boiler check valve, the 8, second boiler check valve, 9, pressure transformer accessory, 10, switch valve, the 11, the 3rd electric gate valve, the 12, the 4th electric gate valve, 13, wear resistant three-way, 14, grey gate valve, 15, ash tube section, 16, manually-operated gate, 17, circumference joint, 18, expansion joint.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of economizer ash discharge transport path switches and control system, comprises the air system be arranged on economizer platform 1, fly ash carry pumping system and dust removing system; Described air system comprises the switch valve 10 be connected with pressurized air inlet main pipe, the first pipe-line control valve unit be set up in parallel, the second pipe-line control valve unit and the pressure transformer accessory 9 that are connected by transfer line with switch valve 10; Described fly ash carry pumping system is multiple fly ash carry pumps 2 connected successively; Described pressure transformer accessory 9 is connected with fly ash carry pumping system top fly ash carry pump 2; Described dust removing system comprises the economizer ash discharge mother be connected with fly ash carry pumping system end fly ash carry pump 2 and manages, and the female pipe of described economizer ash discharge adopts wear resistant three-way 13 that economizer ash discharge is divided into two-way, and a road is to Hui Ku direction, and a road is to direction, slag storehouse.
In the present embodiment, described first pipe-line control valve unit comprises the first electric gate valve 3, first electric flow control valve 5, first boiler check valve 7 be successively set on a pipeline be communicated with pressurized air inlet main pipe; Described second pipe-line control valve unit comprises the second electric gate valve 4, second electric flow control valve 6, second boiler check valve 8 be successively set on another pipeline be communicated with pressurized air inlet main pipe.
In the present embodiment, described fly ash carry pump 2 top is disposed with grey gate valve 14, ash tube section 15, manually-operated gate 16, circumference joint 17, connects between grey gate valve 14 and ash tube section 15 with expansion joint 18.This connection mode can easy maintenance and replacement.
In the present embodiment, the pipeline that described wear resistant three-way 13 mouth leads to Hui Ku direction is provided with the 3rd electric gate valve 11.
In the present embodiment, the pipeline that described wear resistant three-way 13 mouth leads to direction, slag storehouse is provided with the 4th electric gate valve 12.
In the present embodiment, described first electric gate valve 3, second electric gate valve 4 is corresponding 3rd electric gate valve 11 and the 4th electric gate valve 12 respectively, and adopt chain control, its control system can be industrial computer system, PLC system, DCS system any one.
Native system principle of work: air system part, by the pressurized air of acceptable air quality and pressure as defeated grey propulsion source, admission line arranges the first pipe-line control valve unit be set up in parallel, the second pipe-line control valve unit of above-mentioned electric gate valve, electric flow control valve, boiler check valve composition in order, then by pressure transformer accessory access fly ash carry pump, when transportation parameters is mixed, by fly ash carry to different terminals according to suitable grey gas.
Each position electric gate valve of system adopts industrial computer system or the chain control of the intelligent control system such as PLC system or DCS system, the introducing of chain control, source of the gas needed for compressed air system can be made according to grey storehouse and the conveying environment to the different fed distance of slag storehouse two-way, conveying elbow and reality, start each self-corresponding air conditioner system, defeated ash and source of the gas supply are matched, while minimizing plugging, energy efficient, more can adapt to the different market demand of comprehensive application client neatly.
Meanwhile, system according to the actual demand of comprehensive application market to ash, slag parameter, by the switching of valve, can achieve same defeated grey unit and ash discharge is delivered to grey storehouse, slag storehouse or dust exhaustor gas approach.Solve prior art under the defeated grey condition of different fed distance, can not by fly ash carry to the problem of multiple terminal.Cause aerodynamic system one to one, the optimal design-aside of grey gas ratio, fed distance and system is more fitted reality, be conducive to alleviating plugging and wearing and tearing, be beneficial to the comprehensive application of solid waste, meet the principle of design that flying dust thickness divides row, lime-ash divides row, also meet national energy-saving, economize on water, fall the green requirement of cost.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. economizer ash discharge transport path switches and a control system, it is characterized in that: comprise the air system, fly ash carry pumping system and the dust removing system that are arranged on economizer platform (1); Described air system comprises the switch valve (10) be connected with pressurized air inlet main pipe, the first pipe-line control valve unit be set up in parallel, the second pipe-line control valve unit and the pressure transformer accessory (9) that are connected by transfer line with switch valve (10); Described fly ash carry pumping system is multiple fly ash carry pumps (2) connected successively, and described pressure transformer accessory (9) is connected with the fly ash carry pump (2) at fly ash carry pumping system top; Described dust removing system comprises the economizer ash discharge mother be connected with the fly ash carry pump (2) of fly ash carry pumping system end and manages, the female pipe of described economizer ash discharge adopts wear resistant three-way (13) that economizer ash discharge is divided into two-way, one road is to Hui Ku direction, and a road is to direction, slag storehouse.
2. switch and control system according to a kind of economizer ash discharge transport path according to claim 1, it is characterized in that: described first pipe-line control valve unit comprises the first electric gate valve (3) be successively set on a pipeline be communicated with pressurized air inlet main pipe, the first electric flow control valve (5), the first boiler check valve (7); Described second pipe-line control valve unit comprises the second electric gate valve (4), the second electric flow control valve (6), the second boiler check valve (8) that are successively set on another pipeline be communicated with pressurized air inlet main pipe.
3. switch and control system according to a kind of economizer ash discharge transport path according to claim 1, it is characterized in that: described fly ash carry pump (2) top is disposed with grey gate valve (14), ash tube section (15), manually-operated gate (16), circumference joint (17), connects between grey gate valve (14) and ash tube section (15) with expansion joint (18).
4. switch and control system according to a kind of economizer ash discharge transport path according to claim 1, it is characterized in that: the pipeline that described wear resistant three-way (13) mouth leads to Hui Ku direction is provided with the 3rd electric gate valve (11).
5. switch and control system according to a kind of economizer ash discharge transport path according to claim 1, it is characterized in that: the pipeline that described wear resistant three-way (13) mouth leads to direction, slag storehouse is provided with the 4th electric gate valve (12).
6. switch and control system according to a kind of economizer ash discharge transport path according to claim 1, it is characterized in that: described first electric gate valve (3), the second electric gate valve (4) be corresponding 3rd electric gate valve (11) and the 4th electric gate valve (12) respectively.
7. switch and control system according to a kind of economizer ash discharge transport path according to claim 6, it is characterized in that: described first electric gate valve (3), the second electric gate valve (4), the 3rd electric gate valve (11) and the 4th electric gate valve (12) adopt chain control.
8. switch and control system according to a kind of economizer ash discharge transport path according to claim 7, it is characterized in that: the control system of described first electric gate valve (3), the second electric gate valve (4), the 3rd electric gate valve (11) and the 4th electric gate valve (12) be industrial computer system, PLC system, DCS system any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806241.0U CN204433807U (en) | 2014-12-18 | 2014-12-18 | A kind of economizer ash discharge transport path switches and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806241.0U CN204433807U (en) | 2014-12-18 | 2014-12-18 | A kind of economizer ash discharge transport path switches and control system |
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| CN204433807U true CN204433807U (en) | 2015-07-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044239A (en) * | 2016-07-21 | 2016-10-26 | 大唐环境产业集团股份有限公司 | Double-funnel low-pressure continuous automatic ash conveying device between denitration inlet flue and denitration outlet flue |
| CN108883884A (en) * | 2016-03-30 | 2018-11-23 | 美铝美国公司 | Feed system and the method for using feed system |
| CN114194834A (en) * | 2021-12-23 | 2022-03-18 | 国家能源集团谏壁发电厂 | Novel non-rigid expansion joint |
-
2014
- 2014-12-18 CN CN201420806241.0U patent/CN204433807U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883884A (en) * | 2016-03-30 | 2018-11-23 | 美铝美国公司 | Feed system and the method for using feed system |
| CN106044239A (en) * | 2016-07-21 | 2016-10-26 | 大唐环境产业集团股份有限公司 | Double-funnel low-pressure continuous automatic ash conveying device between denitration inlet flue and denitration outlet flue |
| CN114194834A (en) * | 2021-12-23 | 2022-03-18 | 国家能源集团谏壁发电厂 | Novel non-rigid expansion joint |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: China Electric Power Construction Group Hebei electric survey and Design Research Institute Co., Ltd. Address before: 050031 No. 6 Jianbei Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: Hebei Province Power Surveying Design & Research Institute |
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| CP01 | Change in the name or title of a patent holder |