CN214516598U

CN214516598U - High-pressure water washing equipment for air preheater

Info

Publication number: CN214516598U
Application number: CN202120092725.3U
Authority: CN
Inventors: 路来风; 孙元林; 刘智勇; 高观涛; 李海明
Original assignee: Shandong Hongqiao New Material Co Ltd
Current assignee: Shandong Hongqiao New Material Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-29
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses an air preheater high pressure water washing equipment, including industry jellyfish pipe, filter screen section of thick bamboo and slide bar, industry jellyfish pipe passes through high-pressure wash water pump and shunt tubes interconnect, and shunt tubes and industry jellyfish pipe's inside all installs filter and control valve, the both sides of filter all through connection have inlet tube and outlet pipe, and the inside intermediate position fixed mounting of filter has a solid fixed cylinder, the filter screen section of thick bamboo is installed in the upper end of inlet pipe, and the filter screen section of thick bamboo passes through locating lever and solid fixed cylinder interconnect, the internally mounted of soot blower has the soot blowing pipe, and the inside through connection of soot blowing pipe has the high-pressure pipe, slide bar fixed mounting has the inside of soot blowing pipe. This air preheater high pressure water flushing device adopts neotype structural design for this device utilizes soot blower and high pressure water to wash processing to industry air preheater simultaneously, and is provided with the leading-in mixed structure of clean water among the device, and whole clear effect is better.

Description

High-pressure water washing equipment for air preheater

Technical Field

The utility model relates to a rotation air preheater washs technical field after blockking up specifically is air preheater water under high pressure washing equipment.

Background

Because of denitration system spouts ammonia inequality or the unit long-term operation causes air preheater stifled ash, in case stifled ash can cause the flue gas flow resistance to increase, lead to the draught fan power consumption to increase, cause the draught fan to exert oneself not enough when serious, the unit load is limited, seriously influence unit efficiency, along with the continuous development of enterprise, the rigor and admirable of environmental protection situation, if air preheater stifled ash causes the frequent undulant all must influence surrounding environment and personnel safety of furnace negative pressure, therefore when taking place to block up in air preheater, need carry out cleaning process to air preheater inside through dust cleaning equipment.

With the continuous processing and use of dust cleaning equipment, the following problems are found during the use process:

1. some existing dust cleaning equipment adopt a simple soot blower structure to clean the inside of the air preheater, when the inside of the air preheater is blocked by more dust, the cleaning effect of the soot blower is limited, and the dust accumulated in the air preheater is more and more.

2. And some existing dust cleaning equipment are inconvenient to introduce and mix partial chemical cleaning agent to treat dust in the air preheater in the using process, and the dust is attached to the inside of the air preheater and is inconvenient to clean.

It is necessary to design a high-pressure water washing device of the air preheater in view of the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide air preheater high pressure water flushing device, in order to solve and to propose some dust cleaning equipment that have among the above-mentioned background art and adopt simple soot blower structure to carry out cleaning to the inside of air preheater, when the inside dust that blocks up of air preheater is more, the clearance effect of soot blower is limited, lead to the inside dust that accumulates of air preheater more and more, and some dust cleaning equipment that have now are not convenient for at the in-process that uses and lead to mixing part chemical cleaning agent and handle the dust in the air preheater, the inside problem of being not convenient for by the cleanness of air preheater.

In order to achieve the above object, the utility model provides a following technical scheme: air preheater high pressure water flushing device, including industry jellyfish pipe, filter screen cylinder and slide bar, industry jellyfish pipe passes through high-pressure wash water pump and shunt tubes interconnect, and shunt tubes and industry jellyfish pipe's inside all installs filter and control valve to the side of shunt tubes is through soot blower and industry air preheater interconnect, the both sides of filter all run through connection have inlet tube and outlet pipe, and the inside intermediate position fixed mounting of filter has a solid fixed cylinder, and the lower extreme intermediate position run through connection of filter has the inlet pipe, filter screen cylinder installs in the upper end of inlet pipe, and filter screen cylinder passes through locating lever and solid fixed cylinder interconnect, and filter screen cylinder's inboard is fixed with the mounting panel, and the side welding of mounting panel has the puddler simultaneously, the internally mounted of soot blower has the soot blower pipe, and the inside run through connection of soot blower pipe has the high-pressure pipe, and the side of high-pressure pipe installs the high-pressure water shower nozzle, the inside of soot blower pipe is installed to the slide bar fixed mounting, and the outside swing joint of slide bar has the horizontal pole to the inboard fixedly connected with anti-blocking piece of horizontal pole.

Preferably, the shunt pipe and the ash blowing pipe form a mutual communication structure through a high-pressure pipe, and the ash blowing pipe and the industrial air preheater form a mutual communication structure.

Preferably, the rotating structure is formed by the filter screen cylinder and the fixing cylinder through the positioning rod, the filter screen cylinder is in through connection with the feeding pipe, the filter screen cylinder, the mounting plate and the stirring rod are of an integrated structure, and the stirring rod is fixed on the side face of the mounting plate in an equidistant surrounding mode.

Preferably, the high-pressure water spray heads are symmetrically arranged on two sides of the high-pressure pipe at equal intervals, the side face of the high-pressure pipe is fixedly provided with the protective cover, the inner side of the protective cover is fixedly connected with an electric telescopic rod, and meanwhile, the outer side face of the electric telescopic rod is welded with the sliding ring.

Preferably, prevent blockking up piece and horizontal pole fixed connection, and the position of preventing the blockking up piece and the position of high pressure water shower nozzle correspond to each other to prevent blockking up piece and high pressure water shower nozzle block connection.

Preferably, the slip ring and the high-pressure pipe form a sliding structure, the slip ring and the protective cover form a telescopic structure through an electric telescopic rod, and the slip ring is connected with the cross rod through a support rod.

Preferably, one end of the support rod and the slip ring form a rotating structure, the other end of the support rod and the cross rod form a rotating structure, and the cross rod and the slide rod form a sliding structure.

Compared with the prior art, the beneficial effects of the utility model are that: the high-pressure water flushing device of the air preheater adopts a novel structural design, so that the device combines high-pressure water flushing with a soot blower, the interior of the air preheater is cleaned doubly, and a chemical cleaning reagent introducing and mixing structure is arranged in the device, so that the effect of the device on treating dust of the air preheater is improved;

1. the high-pressure water vaporization type industrial air preheater comprises a diversion pipe, a high-pressure pipe, a soot blowing pipe and the like which are arranged in a communicating structure, wherein in the using process, a corresponding control valve is controlled to be opened, so that high-pressure water enters the inner side surface of the soot blowing pipe, the high-pressure water is vaporized to enter the interior of the industrial air preheater under the soot blowing pressure effect, water mist generated after the high-pressure water is vaporized can better clean dust adsorbed in the interior of the industrial air preheater, the influence on equipment running in a unit is avoided, the purpose of online cleaning is achieved, the cleaning effect of the double-cleaning structure is better, and the dust is prevented from being continuously accumulated in the interior of the air preheater;

2. the filter screen cylinder is arranged in the rotating structure, the feeding pipe is in through connection with the filter screen cylinder, before processing, chemical cleaning agents are guided into the filter screen cylinder through the feeding pipe, the filter screen cylinder is controlled to rotate in the filter by the operation of the motor, the guided chemical cleaning agents are fully mixed with water under the rotation action of the stirring rod, and the diluted cleaning agents are vaporized and enter the industrial air preheater, so that the interior of the air preheater can be well cleaned;

3. the horizontal pole that sliding structure set up to and the bracing piece that rotating-structure set up, when not using the high-pressure pipe, operation electric telescopic handle control slip ring moves to the side, and the both ends of bracing piece are rotated the control horizontal pole and are moved to the inboard, make anti-blocking piece block in high pressure water jet's the outside, protect high pressure water jet, avoid its water outlet structure to block up.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front sectional view of the filter according to the present invention;

FIG. 3 is a schematic front sectional view of the filter screen cylinder of the present invention;

FIG. 4 is a schematic top view of the stirring rod of the present invention;

FIG. 5 is a schematic front sectional view of the soot blower of the present invention;

fig. 6 is an enlarged schematic view of a portion a in fig. 5 according to the present invention.

In the figure: 1. an industrial water main pipe; 2. a high pressure flush pump; 3. a shunt tube; 4. a filter; 5. a control valve; 6. a soot blower; 7. an industrial air preheater; 8. a water inlet pipe; 9. a water outlet pipe; 10. a fixed cylinder; 11. a feed pipe; 12. a filter screen cylinder; 13. positioning a rod; 14. mounting a plate; 15. a stirring rod; 16. a soot blowing pipe; 17. a high pressure pipe; 18. a high pressure water jet; 19. a slide bar; 20. a cross bar; 21. an anti-blocking block; 22. a protective cover; 23. an electric telescopic rod; 24. a slip ring; 25. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the high-pressure water washing equipment for the air preheater comprises an industrial water main pipe 1, a high-pressure washing water pump 2, a shunt pipe 3, a filter 4, a control valve 5, a soot blower 6, an industrial air preheater 7, a water inlet pipe 8, a water outlet pipe 9, a fixed cylinder 10, a feed pipe 11, a filter screen cylinder 12, a positioning rod 13, a mounting plate 14, a stirring rod 15, a soot blowing pipe 16, a high-pressure pipe 17, a high-pressure water spray head 18, a sliding rod 19, a transverse rod 20, an anti-blocking block 21, a protective cover 22, an electric telescopic rod 23, a sliding ring 24 and a supporting rod 25, wherein the industrial water main pipe 1 is connected with the shunt pipe 3 through the high-pressure washing water pump 2, the filter 4 and the control valve 5 are arranged inside the shunt pipe 3 and the industrial water main pipe 1, the side surface of the shunt pipe 3 is connected with the industrial air preheater 7 through the soot blower 6, the water inlet pipe 8 and the water outlet pipe 9 are connected with both sides of the filter 4 in a penetrating manner, the fixed cylinder 10 is fixedly arranged in the middle position inside the filter 4, and the lower extreme intermediate position through connection of filter 4 has inlet pipe 11, filter screen cylinder 12 is installed in the upper end of inlet pipe 11, and filter screen cylinder 12 passes through locating lever 13 and solid fixed cylinder 10 interconnect, and the inboard of filter screen cylinder 12 is fixed with mounting panel 14, the side welding of mounting panel 14 has puddler 15 simultaneously, the internally mounted of soot blower 6 has lance pipe 16, and the inside through connection of lance pipe 16 has high-pressure pipe 17, and the side-mounting of high-pressure pipe 17 has high pressure water jet 18, slide bar 19 fixed mounting has the inside of lance pipe 16, and the outside swing joint of slide bar 19 has horizontal pole 20, and the inboard fixedly connected with anti-blocking piece 21 of horizontal pole 20.

In the embodiment, the shunt pipe 3 and the ash blowing pipe 16 form a mutual communication structure through the high-pressure pipe 17, the ash blowing pipe 16 and the industrial air preheater 7 form a mutual communication structure, the communication structure is convenient for combining high-pressure washing water with the ash blower 6 for use, and the effect of cleaning and treating the industrial air preheater 7 by equipment is improved;

the filter screen cylinder 12 and the fixed cylinder 10 form a rotating structure through a positioning rod 13, the filter screen cylinder 12 is in penetrating connection with the feeding pipe 11, the filter screen cylinder 12, the mounting plate 14 and the stirring rod 15 are of an integrated structure, meanwhile, the stirring rod 15 is fixed on the side surface of the mounting plate 14 in an equidistant surrounding manner, the operating motor drives the filter screen cylinder 12 to rotate through the positioning rod 13, and the filter screen cylinder 12 drives the stirring rod 15 to rotate so as to mix the internal filtered water and the chemical cleaning agent;

the high-pressure water spray heads 18 are symmetrically arranged on two sides of the high-pressure pipe 17 at equal intervals, the side surface of the high-pressure pipe 17 is fixedly provided with the protective cover 22, the inner side of the protective cover 22 is fixedly connected with the electric telescopic rod 23, meanwhile, the outer side surface of the electric telescopic rod 23 is welded with the sliding ring 24, the high-pressure water spray heads 18 spray water outwards at high pressure, and the pressure of washing water is increased to 20 MPa;

the anti-blocking block 21 is fixedly connected with the cross rod 20, the position of the anti-blocking block 21 corresponds to the position of the high-pressure water spray head 18, the anti-blocking block 21 is connected with the high-pressure water spray head 18 in a clamping manner, and the anti-blocking block 21 is controlled to move towards the side and is clamped at the outer side of the high-pressure water spray head 18 to be protected;

the sliding ring 24 and the high-voltage tube 17 form a sliding structure, the sliding ring 24 and the protective cover 22 form a telescopic structure through the electric telescopic rod 23, the sliding ring 24 is connected with the cross rod 20 through the supporting rod 25, and the electric telescopic rod is operated to control the sliding ring 24 to move transversely, so that the two ends of the supporting rod 25 can be controlled to rotate conveniently;

one end of the support rod 25 and the slip ring 24 form a rotating structure, the other end of the support rod 25 and the cross rod 20 form a rotating structure, the cross rod 20 and the slide rod 19 form a sliding structure, and when the two ends of the support rod 25 rotate, the cross rod 20 and the anti-blocking block 21 can be driven to move to the side.

The working principle is as follows: when the device is used, firstly, according to the structure shown in the figures 1 and 5, when the device is used, the soot blower 6 and the high-pressure washing water pump 2 are operated simultaneously, the high-pressure washing water pump 2 conveys water flow in the industrial water main pipe 1 into the flow dividing pipe 3 at high pressure, the washing water pressure is increased to 20MPa by using the high-pressure washing water pump 2, high-pressure water enters the high-pressure pipe 17, water is sprayed out from the high-pressure water spray head 18 in a jet mode through the gun pipe of the soot blower 6, the industrial air preheater 7 is cleaned by using the high-pressure water as a working medium, the cleaning effect of the device is improved by using the double-holding cleaning structure, and a large amount of dust is prevented from being accumulated in the industrial air preheater 7;

then, according to the structure shown in fig. 1-4, during the process, the moisture in the industrial water header pipe 1 enters the inside of the filter 4, the moisture is filtered by the filter screen cylinder 12, the impurities are isolated at the bottom of the filter 4, and then the chemical cleaning agent is introduced into the inside of the filter screen cylinder 12 through the feed pipe 11, meanwhile, a motor in the filter 4 is operated to control the rotation of the positioning rod 13, the positioning rod 13 drives the filter screen cylinder 12 fixed at the lower end to rotate, meanwhile, the mounting plate 14 and the stirring rod 15 in the filter screen cylinder 12 rotate, the stirring rod 15 rotates to mix the water filtered in the filter screen cylinder 12 with the chemical cleaning agent, the diluted cleaning agent is introduced into the industrial air preheater 7, and the cleaning agent can clean part of dust strongly adhered to the inside of the industrial air preheater 7 under the action of high-pressure washing, so that the dust treatment effect of the equipment is further improved;

next, according to the structure shown in fig. 1, 5 and 6, when the high-pressure pipe 17 is not used, the industrial sensor 23 of the operation motor controls the sliding ring 24 to move to the side, the sliding ring 24 slides transversely outside the high-pressure pipe 17, the sliding ring 24 drives the two ends of the supporting rod 25 to rotate when moving, the supporting rod 25 drives the cross rods 20 at the two sides to move to the side, the cross rods 20 slide longitudinally outside the sliding rods 19, the cross rods 20 drive the inner fixed anti-blocking blocks 21 to move laterally, the anti-blocking blocks 21 are clamped and installed outside the high-pressure water spray head 18 to protect the high-pressure water spray head 18, the water outlet structure of the high-pressure water spray head 18 is prevented from being blocked by dust and impurities, and the practicability of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Air preheater water under high pressure flushing device, including industry female pipe of water (1), filter screen section of thick bamboo (12) and slide bar (19), its characterized in that: the industrial water pipe (1) is connected with the shunt pipe (3) through the high-pressure washing water pump (2), the shunt pipe (3) and the industrial water pipe (1) are internally provided with the filter (4) and the control valve (5), the side surface of the shunt pipe (3) is connected with the industrial air preheater (7) through the soot blower (6), the two sides of the filter (4) are respectively connected with the water inlet pipe (8) and the water outlet pipe (9) in a penetrating way, the inner middle position of the filter (4) is fixedly provided with the fixed cylinder (10), the lower middle position of the filter (4) is connected with the inlet pipe (11) in a penetrating way, the filter screen cylinder (12) is arranged at the upper end of the inlet pipe (11), the filter screen cylinder (12) is connected with the fixed cylinder (10) through the positioning rod (13), and the inner side of the filter screen cylinder (12) is fixed with the mounting plate (14), simultaneously, the side welding of mounting panel (14) has puddler (15), the internally mounted of soot blower (6) has soot blower pipe (16), and the inside through connection of soot blower pipe (16) has high-pressure pipe (17) to the side-mounting of high-pressure pipe (17) has high pressure water shower nozzle (18), slide bar (19) fixed mounting has the inside of soot blower pipe (16), and the outside swing joint of slide bar (19) has horizontal pole (20) to the inboard fixedly connected with anti-blocking piece (21) of horizontal pole (20).

2. The air preheater high pressure water flushing device of claim 1, characterized in that: the shunt pipe (3) and the ash blowing pipe (16) form a mutual communication structure through a high-pressure pipe (17), and the ash blowing pipe (16) and the industrial air preheater (7) form a mutual communication structure.

3. The air preheater high pressure water flushing device of claim 1, characterized in that: rotating structure is formed by the filter screen cylinder (12) through the positioning rod (13) and the fixing cylinder (10), the filter screen cylinder (12) is in through connection with the feeding pipe (11), the filter screen cylinder (12), the mounting plate (14) and the stirring rod (15) are of an integrated structure, and the stirring rod (15) is fixed on the side face of the mounting plate (14) in an equidistant surrounding mode.

4. The air preheater high pressure water flushing device of claim 1, characterized in that: the high-pressure water spray heads (18) are symmetrically arranged on two sides of the high-pressure pipe (17) at equal intervals, the side face of the high-pressure pipe (17) is fixedly provided with the protective cover (22), the inner side of the protective cover (22) is fixedly connected with the electric telescopic rod (23), and meanwhile the outer side face of the electric telescopic rod (23) is welded with the sliding ring (24).

5. The air preheater high pressure water flushing device of claim 1, characterized in that: the anti-blocking block (21) is fixedly connected with the cross rod (20), the position of the anti-blocking block (21) corresponds to the position of the high-pressure water spray head (18), and the anti-blocking block (21) is connected with the high-pressure water spray head (18) in a clamping mode.

6. The air preheater high pressure water flushing device of claim 4, characterized in that: the sliding structure is formed by the sliding ring (24) and the high-pressure pipe (17), the sliding ring (24) forms a telescopic structure with the protective cover (22) through the electric telescopic rod (23), and the sliding ring (24) is connected with the cross rod (20) through the supporting rod (25).

7. The air preheater high pressure water flushing device of claim 6, characterized in that: one end of the supporting rod (25) and the sliding ring (24) form a rotating structure, the other end of the supporting rod (25) and the cross rod (20) form a rotating structure, and the cross rod (20) and the sliding rod (19) form a sliding structure.