CN211781212U - Air preheater of thermal power plant blocks up clearance boosting jet shower nozzle - Google Patents
Air preheater of thermal power plant blocks up clearance boosting jet shower nozzle Download PDFInfo
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- CN211781212U CN211781212U CN202020328618.1U CN202020328618U CN211781212U CN 211781212 U CN211781212 U CN 211781212U CN 202020328618 U CN202020328618 U CN 202020328618U CN 211781212 U CN211781212 U CN 211781212U
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- jet
- boosting
- nozzle
- air preheater
- power plant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model relates to the technical field of boiler cleaning equipment, in particular to a boosting jet nozzle for cleaning blockage of an air preheater in a thermal power plant; the cleaning effect can be improved, the flushing efficiency is improved, the cleaning construction difficulty caused by the reaction force is reduced, and the cleaning danger is reduced; the jet flow jet nozzle comprises a jet head body, wherein a groove is formed in the right end of the jet head body, a jet flow impact nozzle is arranged at the left end of the jet head body, the right end of the jet flow impact nozzle is communicated with the left end of the groove, three groups of boosting nozzles are arranged on the right side of the side wall of the jet head body in a communicated mode, the three groups of boosting nozzles are all communicated with the side wall of the groove, and the three groups of boosting nozzles are all at an.
Description
Technical Field
The utility model relates to a technical field of boiler cleaning equipment especially relates to an air preheater of thermal power plant blocks up clearance boosting jet shower nozzle.
Background
As is known, when a power plant boiler operates, the ash deposition and salt deposition of two types of properties of loose ash deposition and cohesive ash deposition often appear in the tube bundle of a surface tube type air preheater, the blockage of the ash deposition in the tube bundle of the air preheater can cause insufficient heat exchange efficiency of the air preheater, the safe operation of the boiler can be threatened under the serious condition of blockage, the blockage in the tube bundle of the conventional air preheater is cleared by mechanical impact, compressed air dredging, a water gun dredging and other modes are carried out, mechanical and compressed air dredging is carried out, the loose ash deposition in the tube bundle of the air preheater is effective, the cleaning capacity is not realized on hardening and salt deposition, the high-pressure water gun dredging has a certain washing effect on the ash deposition and the salt deposition, but the high-pressure washing efficiency is lower for the conventional, meanwhile, the gun head has reverse force, and the cleaning construction difficulty is higher.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an improve clearance effect, improve washing efficiency, reduce the clearance construction degree of difficulty that reaction force brought, reduce and wash dangerous air preheater of thermal power plant and block up clearance boosting jet nozzle.
The utility model discloses a thermal power plant air preheater blocks up clearance boosting jet shower nozzle, including the shower nozzle body, the shower nozzle body right-hand member is provided with the recess, and the shower nozzle body left end is provided with the efflux and strikes the spout, and the efflux strikes spout right-hand member and recess left end intercommunication, and shower nozzle body lateral wall right side intercommunication is provided with three group boosting spouts, and three group boosting spouts of three groups all communicate with the recess lateral wall, and three group boosting spouts of group all are 60 degrees angles with the shower nozzle body axis.
The utility model discloses a thermal power plant's air preheater blocks up clearance boosting jet shower nozzle, jet impact spout diameter is 0.4-0.7mm, and three group boosting spout inside diameters are 0.3-0.6 mm.
The utility model discloses a thermal power plant's air preheater blocks up clearance boosting jet shower nozzle, the shower nozzle body sets up to the toper.
Compared with the prior art, the beneficial effects of the utility model are that: the jet impact nozzle at the front section of the sprayer and the boosting nozzle at the rear section of the sprayer are matched with the pressure of the high-pressure pump to ensure that the sprayer has the function of automatically advancing to break the blockage, the boosting nozzle simultaneously has the function of expanding the impact range and further cleaning the inner wall of the pipeline, when the high-pressure water jet is sprayed from the jet impact nozzle at the front section, the blockage in the pipeline of the air preheater is impacted and broken, the jet sprayed from the boosting nozzle automatically flushes the impact breaking blockage out of the pipeline, and simultaneously, the boosting force is provided to push the sprayer forward, so that the blockage breaking efficiency is greatly enhanced, the problem that the removed scale on the pipeline wall is forwards conveyed by the original high-pressure water jet sprayer is solved, and when the high-pressure water jet is sprayed from the jet impact nozzle at the front section, the blockage in the pipeline of the; the jet flow sprayed from the boosting jet nozzle automatically flushes the broken blockage out of the pipeline, boosting force is provided, the spray head is pushed forwards, the problem that the counterforce is strong is solved, the blockage breaking problem caused by deposition type high-hardness hardening is effectively solved, the blockage clearing effect is obviously improved, the time for clearing one blocked pipeline by using an original high-pressure water gun and a compressed air blockage clearing mode is 8-15 minutes, the time for clearing one blocked pipeline by using the boosting jet nozzle is 15-30 seconds, and the blockage breaking efficiency is improved by 20-30 times.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the drawings, the reference numbers: 1. a spray head body; 2. a groove; 3. a jet impingement nozzle; 4. and (4) boosting the nozzle.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the utility model discloses a thermal power plant air preheater blocks up clearance boosting jet nozzle, including sprinkler body 1, sprinkler body 1 right-hand member is provided with recess 2, and the left end of sprinkler body 1 is provided with jet impact spout 3, and jet impact spout 3 right-hand member is communicated with recess 2 left end, and the lateral wall right side of sprinkler body 1 communicates and is provided with three group boosting spouts 4, and three group boosting spouts 4 all communicate with recess 2 lateral wall, and three group boosting spouts 4 all are 60 degrees angles with sprinkler body 1 axis; the jet impact nozzle at the front section of the sprayer and the boosting nozzle at the rear section of the sprayer are matched with the pressure of the high-pressure pump to ensure that the sprayer has the function of automatically advancing to break the blockage, the boosting nozzle simultaneously has the function of expanding the impact range and further cleaning the inner wall of the pipeline, when the high-pressure water jet is sprayed from the jet impact nozzle at the front section, the blockage in the pipeline of the air preheater is impacted and broken, the jet sprayed from the boosting nozzle automatically flushes the impact breaking blockage out of the pipeline, and simultaneously, the boosting force is provided to push the sprayer forward, so that the blockage breaking efficiency is greatly enhanced, the problem that the removed scale on the pipeline wall is forwards conveyed by the original high-pressure water jet sprayer is solved, and when the high-pressure water jet is sprayed from the jet impact nozzle at the front section, the blockage in the pipeline of the; the jet flow sprayed from the boosting jet nozzle automatically flushes the broken blockage out of the pipeline, boosting force is provided, the spray head is pushed forwards, the problem that the counterforce is strong is solved, the blockage breaking problem caused by deposition type high-hardness hardening is effectively solved, the blockage clearing effect is obviously improved, the time for clearing one blocked pipeline by using an original high-pressure water gun and a compressed air blockage clearing mode is 8-15 minutes, the time for clearing one blocked pipeline by using the boosting jet nozzle is 15-30 seconds, and the blockage breaking efficiency is improved by 20-30 times.
The utility model discloses a boosting jet nozzle for clearing blockage of an air preheater in a thermal power plant, the diameter of a jet impact nozzle 3 is 0.4-0.7mm, and the inner diameter of three groups of boosting nozzles 4 is 0.3-0.6 mm; the increase spout internal diameter can improve the clearance effect, improve equipment's use reliability.
The utility model relates to a boosting jet flow nozzle for clearing blockage of an air preheater in a thermal power plant, a nozzle body 1 is set to be conical; the spray head body is integrally designed in a conical shape, so that the spray eddy loss is reduced, and the design of the spray head considers the power and the water quantity of a water supply high-pressure pump station.
The utility model relates to a boosting jet nozzle for clearing blockage of an air preheater in a thermal power plant, which is matched with the pressure of a high-pressure pump of 10-30MPa when in use, the jet impact nozzle at the front section of the nozzle and the boosting nozzle at the rear part of the nozzle enable the nozzle to have the function of automatically advancing and breaking blockage, the boosting nozzle simultaneously has the functions of expanding the impact range and further clearing the inner wall of a pipeline, when the high-pressure water jet is sprayed from the jet impact nozzle at the front section, the high-pressure water jet impacts the blockage inside the pipeline of the crushing air preheater, the jet sprayed from the boosting nozzle automatically flushes the impact crushing blockage out of the pipeline, simultaneously, the boosting force is provided to push the spray head forwards, the blockage breaking efficiency is greatly enhanced, the problem that the original high-pressure water jet spray head forwards conveys removed scale substances on the pipe wall is solved, when the high-pressure water jet is sprayed from the jet impact nozzle at the front section, the high-pressure water jet impacts and breaks the blockage inside the pipeline of the air preheater; the jet flow sprayed from the boosting nozzle automatically flushes the broken blockage out of the pipeline, and simultaneously provides boosting force to push the spray head forward, so that the problem of stronger reaction force is solved, the scheme effectively solves the blockage breaking problem of deposition type high-hardness hardening, the blockage clearing effect is obviously improved, the time for clearing one blocked pipeline by using the original high-pressure water gun and the compressed air blockage clearing mode is 8-15 minutes, the time for clearing one blocked pipeline by using the boosting jet flow spray head is 15-30 seconds, the blockage breaking efficiency is improved by 20-30 times, the whole spray head body adopts a conical design, the injection eddy loss is reduced, and the design of the spray head considers the power and the water quantity of a water supply high-pressure pump station.
The utility model discloses a thermal power plant air preheater blocks up clearance boosting jet shower nozzle, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a thermal power plant air preheater blocks up clearance boosting jet nozzle, a serial communication port, including jet body (1), jet body (1) right-hand member is provided with recess (2), jet body (1) left end is provided with jet impact spout (3), jet impact spout (3) right-hand member and recess (2) left end intercommunication, jet body (1) lateral wall right side intercommunication is provided with three group boosting spouts (4), three group boosting spouts (4) of group all communicate with recess (2) lateral wall, three group boosting spouts (4) of group all are 60 degrees angles with jet body (1) axis.
2. The thermal power plant air preheater blockage cleaning boosting jet nozzle as claimed in claim 1, wherein the diameter of the jet impact nozzles (3) is 0.4-0.7mm, and the inner diameter of the three groups of boosting nozzles (4) is 0.3-0.6 mm.
3. The thermal power plant air preheater blockage-cleaning boosting jet nozzle as claimed in claim 2, characterized in that the nozzle body (1) is provided in a conical shape.
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CN202020328618.1U CN211781212U (en) | 2020-03-16 | 2020-03-16 | Air preheater of thermal power plant blocks up clearance boosting jet shower nozzle |
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CN202020328618.1U CN211781212U (en) | 2020-03-16 | 2020-03-16 | Air preheater of thermal power plant blocks up clearance boosting jet shower nozzle |
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CN211781212U true CN211781212U (en) | 2020-10-27 |
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2020
- 2020-03-16 CN CN202020328618.1U patent/CN211781212U/en active Active
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