CN113217903B

CN113217903B - Coal economizer

Info

Publication number: CN113217903B
Application number: CN202110517929.1A
Authority: CN
Inventors: 张晓辉
Original assignee: Hebei Jiantao Energy Development Co ltd
Current assignee: Hebei Jiantao Energy Development Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-11-11
Anticipated expiration: 2041-05-12
Also published as: CN113217903A

Abstract

The invention relates to a coal economizer which comprises a mounting substrate, supporting columns, a sealing outer frame, a water containing frame and a gas conveying cover plate, wherein the supporting columns are uniformly arranged on the lower end surface of the mounting substrate in a welding mode, the sealing outer frame is fixedly arranged on the mounting substrate, the water containing frame is arranged on the sealing outer frame in a sliding connection mode, and the gas conveying cover plate is fixedly arranged at the upper end of the sealing outer frame. a: the existing economizer needs to heat cold water in the economizer in the use process, a large amount of scale is often produced in the economizer when the economizer is used for a long time, the cleaning is difficult, and manpower is wasted during the cleaning; b: when the existing economizer is used, smoke is required to be introduced into the economizer, solid matter in the smoke often forms solid packages on the surface of a pipeline of the economizer after the existing economizer is used for a long time, and the efficiency of water flow in the economizer for absorbing waste heat of the smoke is influenced.

Description

Coal economizer

Technical Field

The invention relates to the technical field of flue gas recovery, in particular to a coal economizer.

Background

The economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering waste heat of exhausted smoke, reduces the exhaust temperature of the smoke due to the fact that the economizer absorbs heat of high-temperature smoke, saves energy and improves efficiency, and is called as the economizer.

The existing coal economizer has the following problems in the use process: a: the existing economizer needs to heat cold water in the economizer in the use process, a large amount of scale is often produced in the economizer when the economizer is used for a long time, the economizer is difficult to clean, and manpower is wasted during cleaning; b: when the existing economizer is used, smoke is required to be introduced into the economizer, solid matter inside the smoke often forms solid packages on the surface of a pipeline of the economizer after the existing economizer is used for a long time, and the efficiency of water flow inside the economizer for absorbing waste heat of the smoke is influenced.

In order to make up for the defects of the prior art, the invention provides an economizer.

Disclosure of Invention

The technical problem to be solved by the invention is realized by adopting the following technical scheme: the utility model provides an economizer, includes mounting substrate, support column, sealed frame, dress water frame and gas transmission apron, evenly installs the support column through the welded mode on the terminal surface under the mounting substrate, and fixed mounting has sealed frame on the mounting substrate, installs dress water frame through sliding connection's mode on the sealed frame, and sealed frame upper end fixed mounting has gas transmission apron, wherein:

the dress water frame is including dress water tank, slip branch, the water service pipe, the intercommunication ring canal, the inlet tube, the outlet pipe with pull the arm-tie, dress water tank passes through sliding connection's mode and installs inside sealed frame, evenly be provided with air vent F on the terminal surface under the dress water tank, evenly install slip branch on the dress water tank, evenly install the water service pipe on the dress water tank, link together through the intercommunication ring canal between the water service pipe, the intercommunication ring canal passes through bolt fixed mounting on dress water tank, be connected with inlet tube and outlet pipe on the water service pipe, inlet tube and outlet pipe fixed mounting are on dress water tank, the structure of inlet tube and outlet pipe is unanimous, fixed mounting has the pull-plate of pulling on the dress water tank, in operation, artifical cold water that will absorb the flue gas waste heat pours into to dress water frame through the inlet tube, later artifical pulling the arm-tie that promotes makes dress water frame get into to sealed frame, later artifical flue gas cover plate pours into to sealed frame into with flue gas through the people, heat cold water, thereby accomplish flue gas waste heat recovery and handles.

The intercommunication ring canal is the arc structure, spout A and spout B have evenly been seted up on the intercommunication ring canal inner wall, staggered arrangement between spout A and the spout B, intercommunication ring canal inside symmetry installs the slip scraper blade that uses with spout A mutually supporting, the slip scraper blade constitutes for magnetic material, fixed mounting has the extension rod on the slip scraper blade, the extension rod passes the traction scraper blade, mutual slip between traction scraper blade and the extension rod, the traction scraper blade is installed on spout B through sliding connection's mode, fixed mounting has the traction strip on the extension rod, in operation, carry out filtration treatment to rivers through slip scraper blade and traction scraper blade, later artifical pulling traction strip, it slides along spout A to drive the slip scraper blade, later support and lean on the traction scraper blade, and then drive the traction scraper blade and slide the incrustation scale impurity on the intercommunication ring canal inner wall in the middle of motion process and strike off, thereby reach the purpose of clearing up the intercommunication ring canal.

As a preferred technical scheme of the invention, the inner wall of the sealing outer frame is uniformly provided with sliding grooves C matched with the sliding support rods for use, the inner wall of each sliding groove C is uniformly provided with butt wedge blocks in a sliding connection mode, the butt wedge blocks are connected with the sealing outer frame through abutting springs, the heads of the butt wedge blocks are provided with deformation air bags, the lower end face of the sealing outer frame is fixedly provided with an air outlet pipe, and the air outlet pipe is of a bucket-shaped structure.

As a preferred technical scheme, the air delivery cover plate is provided with an air delivery hole D, the inner wall of the air delivery hole D is provided with an adsorption plate sleeve in a sliding connection mode, the upper end of the adsorption plate sleeve is provided with an activated carbon bag, the outer side of the air delivery cover plate is provided with a sliding clamping plate in a sliding connection mode, the sliding clamping plate is connected with an adjusting screw rod through threads, the inner side of the adjusting screw rod abuts against an inner clamping plate, the inner clamping plate is arranged on the sliding clamping plate in a sliding connection mode, the inner clamping plate is uniformly provided with edge wrapping plates in a rotating connection mode, and the edge wrapping plates and the inner clamping plate are connected together through a connecting spring.

As a preferred technical scheme of the invention, the sliding support rod is of a zigzag structure, a sliding frame is arranged on the sliding support rod in a sliding connection mode, spherical balls are uniformly arranged on the sliding frame in a rotating connection mode, the sliding frame and the sliding support rod are connected together through an outward pushing spring, sealing package plates are symmetrically arranged on the outer side of the sliding support rod in a sliding connection mode, a driving rod is arranged on the inner side of each sealing package plate, the driving rod is arranged on the sliding support rod in a rotating connection mode, pushing blocks are uniformly arranged on the driving rod, and the pushing blocks push against the sealing package plates.

In a preferred embodiment of the present invention, the water pipe is a tubular structure, the inner wall of the water pipe is uniformly provided with rotating rings in a rotating connection manner, the inner side of each rotating ring is provided with an inner wall scraper, the inner wall scraper is slidably mounted on an outward pulling slide bar, the outward pulling slide bar is rotatably mounted on a pulling sieve plate, and the pulling sieve plate is slidably mounted on the inner wall of the water pipe.

As a preferred technical scheme of the invention, the water inlet pipe is provided with the opening plate in a rotating connection mode, the opening plate is provided with the water through hole D, and the outer side of the water through hole D is symmetrically provided with the butt joint annular plate through a first spring.

As a preferred technical scheme of the invention, the cross section of the butt joint annular plate is of a herringbone structure, wrapping air bags are symmetrically arranged on the butt joint annular plate, and the butt joint annular plate is made of rubber materials.

As a preferable technical scheme of the invention, the sliding scraper and the traction scraper are uniformly provided with communicating holes E, the aperture of the communicating holes E on the traction scraper is larger than that of the communicating holes E on the sliding scraper, and edge scraping arc blocks are arranged at the edges of the sliding scraper and the outer side of the traction scraper.

Compared with the prior art, the invention has the following advantages:

1. the invention can solve the following problems of the existing coal economizer in the use process: a: the existing economizer needs to heat cold water in the economizer in the use process, a large amount of scale is often produced in the economizer when the economizer is used for a long time, the economizer is difficult to clean, and manpower is wasted during cleaning; b: when the existing economizer is used, the flue gas is required to be introduced into the economizer, and solid substances in the flue gas can form solid packages on the surface of the economizer pipeline after the existing economizer is used for a long time, so that the efficiency of absorbing the flue gas waste heat by water flow in the economizer is influenced.

2. According to the invention, the communicating ring pipe is designed, water flow is filtered through the sliding scraper and the traction scraper, then the traction strip is pulled manually to drive the sliding scraper to slide along the sliding groove A and then abut against the traction scraper, so that the traction scraper is driven to slide along the sliding groove B, and scale impurities on the inner wall of the communicating ring pipe are scraped during the movement process of the traction scraper and the sliding scraper, so that the purpose of cleaning the communicating ring pipe is achieved, the cleaning difficulty is greatly reduced through push-pull operation, and manpower is saved.

3. According to the water service pipe, the inner scraper is manually driven to rotate, the inner wall scraper rotates along the inner wall of the water service pipe under the action of the rotating ring, so that scale on the inner wall of the water service pipe can be scraped, the outer pull slide rod is manually pulled to drive the outer pull slide rod to move along the inner wall of the water service pipe, the inner wall of the water service pipe is scraped for the second time, and the scraped scale impurities are pushed out, so that the aim of cleaning the inner wall of the water service pipe is fulfilled, the cleaning difficulty is greatly reduced through push-pull operation, and manpower is saved.

4. According to the invention, the gas transmission cover plate is designed, when the flue gas passes through the gas transmission cover plate, the activated carbon bag on the gas transmission cover plate adsorbs large impurities in the flue gas, so that the impurity content in the flue gas is greatly reduced, and therefore, the time required for forming a coating layer on the surface of the economizer by solid impurities can be greatly prolonged when the flue gas is input, the service life of the economizer is indirectly prolonged, the recovery efficiency of the economizer on the waste heat of the flue gas can be greatly ensured, and the reduction of the waste heat absorption performance of the economizer is avoided.

Drawings

The invention is further illustrated by the following examples in conjunction with the drawings.

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

FIG. 2 is a side view of a schematic of the structure of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view A-A of FIG. 2 of the present invention;

FIG. 4 is a schematic cross-sectional view B-B of FIG. 3 of the present invention;

FIG. 5 is a schematic view of the construction of the communicating grommet of the present invention;

FIG. 6 is a schematic view showing the construction of the opening plate of the present invention;

FIG. 7 is a cross-sectional schematic view C-C of FIG. 6 of the present invention;

FIG. 8 is a schematic view showing a structure of a water pipe according to the present invention;

FIG. 9 is a cross-sectional schematic view of D-D of FIG. 8 of the present invention;

figure 10 is a schematic structural view of a sliding strut of the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 10.

The utility model provides a coal economizer, includes mounting substrate 1, support column 2, sealed frame 3, dress water stand 4 and gas transmission apron 5, evenly installs support column 2 through the welded mode on the mounting substrate 1 lower terminal surface, and fixed mounting has sealed frame 3 on mounting substrate 1, installs dress water stand 4 through sliding connection's mode on the sealed frame 3, and 3 upper ends fixed mounting of sealed frame have gas transmission apron 5, wherein:

evenly be provided with the chute C that uses of mutually supporting with slip branch 42 on the 3 inner walls of sealed frame, evenly install butt joint voussoir 31 through sliding connection's mode on the chute C inner wall, butt joint voussoir 31 links together between through supporting to push away spring 32 and the sealed frame 3, deformation gasbag 33 is installed to butt joint voussoir 31 head, fixed mounting has outlet duct 34 on the terminal surface under the sealed frame 3, outlet duct 34 is the bucket-shaped structure, during specific work, the manual work promotes along chute C and adorns water frame 4 and get into to sealed frame 3 in, butt joint voussoir 31 on the sealed frame 3 is because of supporting to push away spring 32 effect and adorn and laminate between the water frame 4, simultaneously when butt joint voussoir 31 and dress water frame 4 laminate, deformation gasbag 33 takes place to warp because of the extrusion, will combine the department parcel, thereby very big gas tightness when having guaranteed the butt joint, the condition that the flue gas spills over takes place has been avoided.

The water containing frame 4 comprises a water containing box 41, a sliding support rod 42, a water service pipe 43, a communicating ring pipe 44, a water inlet pipe 45, a water outlet pipe 46 and a traction pull plate 47, the water containing box 41 is installed inside the sealed outer frame 3 in a sliding connection mode, air holes F are evenly formed in the lower end face of the water containing box 41, the sliding support rod 42 is evenly installed on the water containing box 41, the water service pipe 43 is connected with the communicating ring pipe 44, the communicating ring pipe 44 is fixedly installed on the water containing box 41 through bolts, the water inlet pipe 45 and the water outlet pipe 46 are connected onto the water service pipe 43, the water inlet pipe 45 and the water outlet pipe 46 are fixedly installed on the water containing box 41, the water inlet pipe 45 and the water outlet pipe 46 are consistent in structure, the traction pull plate 47 is fixedly installed on the water containing box 41, during specific work, cold water which absorbs smoke waste heat is artificially injected into the sealed outer frame 3 through the water inlet pipe 45, then the traction pull plate 47 is manually pushed to enable the water containing frame 4 to enter the sealed outer frame 3, and then smoke is injected into the sealed outer frame 3 through the air conveying cover plate 5 to heat the smoke waste heat recovery processing is completed.

The sliding support rod 42 is of a sawtooth structure, the sliding frame 421 is installed on the sliding support rod 42 in a sliding connection mode, spherical balls are evenly installed on the sliding frame 421 in a rotating connection mode, the sliding frame 421 and the sliding support rod 42 are connected together through an outward pushing spring 422, the sealing package plate 423 is symmetrically installed on the outer side of the sliding support rod 42 in a sliding connection mode, a driving rod 424 is arranged on the inner side of the sealing package plate 423, the driving rod 424 is installed on the sliding support rod 42 in a rotating connection mode, a pushing block 425 is evenly installed on the driving rod 424, the pushing block 425 abuts against the sealing package plate 423, during specific work, when the sliding support rod 42 enters the sealing outer frame 3 along the sliding groove C, the abutting wedge 31 is mutually attached to the side edge of the sliding support rod 42 due to the effect of the pushing spring 32, the sliding support rod 42 side edge is of the sawtooth structure, a smoke overflow path is increased, air tightness during abutting is further improved, meanwhile, when the sliding support rod 42 is inserted into the sealing outer frame 3, the driving rod 424 is manually screwed to rotate, the pushing block 425 is driven to rotate, the sealing package plate 423 moves outwards, and the outer frame surface is attached to the outer frame, and the air tightness is further improved, and the situation of the outer frame is prevented from overflowing.

The water service pipe 43 is of a tubular structure, a rotating ring 431 is uniformly installed on the inner wall of the water service pipe 43 in a rotating connection mode, an inner wall scraper 432 is installed on the inner side of the rotating ring 431, an outer pull rod 433 is installed on the inner wall scraper 432 in a sliding connection mode, the outer pull rod 433 is installed on a pull sieve plate 434 in a rotating connection mode, and the pull sieve plate 434 is installed on the inner wall of the water service pipe 43 in a sliding connection mode.

The communicating ring pipe 44 is of an arc-shaped structure, sliding grooves A and sliding grooves B are uniformly formed in the inner wall of the communicating ring pipe 44, the sliding grooves A and the sliding grooves B are arranged in a staggered mode, sliding scrapers 441 matched with the sliding grooves A are symmetrically installed in the communicating ring pipe 44, the sliding scrapers 441 are made of magnetic materials, extension rods 442 are fixedly installed on the sliding scrapers 441, the extension rods 442 penetrate through the traction scrapers 443, the traction scrapers 443 and the extension rods 442 slide mutually, the traction scrapers 443 are installed on the sliding grooves B in a sliding connection mode, traction strips 444 are fixedly installed on the extension rods 442, when the water flow filtering device works specifically, the sliding scrapers 441 and the traction scrapers 443 filter water flow, then the traction strips 444 are pulled manually to drive the sliding scrapers 441 to slide along the sliding grooves A and abut against the traction scrapers 443 to further drive the traction scrapers 443 to slide along the sliding grooves B, and scale impurities on the inner wall of the communicating ring pipe 44 are communicated with the sliding scrapers 443 in the middle of the moving process of the communicating ring pipe 441, and accordingly the purpose of cleaning the communicating ring pipe 44 is achieved.

Evenly seted up intercommunicating pore E on slip scraper 441 and the pull scraper 443, the aperture of intercommunicating pore E on the pull scraper 443 is greater than the aperture of intercommunicating pore E on slip scraper 441, slip scraper 441 limit and pull scraper 443 outside are provided with scrapes limit arc piece 4411, when concrete work, because of the aperture of intercommunicating pore E on the pull scraper 443 is greater than the aperture of intercommunicating pore E on the slip scraper 441, thereby can realize the secondary filtration processing to rivers, very big reduction the impurity of aquatic, simultaneously because of scraping limit arc piece 4411 effect, can laminate more with the inner wall of intercommunication ring canal 44, the effect of scraping of incrustation scale has been promoted.

Install the open-close plate 451 through the mode of rotating the connection on the inlet tube 45, the open-close plate 451 is for having seted up water hole D, cross the water hole D outside and install butt joint crown plate 453 through a spring 452 symmetry, concrete during operation, when the water injection, manual drive open-close plate 451 rotates, make the pipeline of crossing water hole D and inlet tube 45 communicate each other, form the route, butt joint crown plate 453 docks because of a spring 452 effect and inlet tube 45 simultaneously, and then the gas tightness of inlet tube when having guaranteed the water injection, the condition of having avoided leaking takes place, and then reach the water injection purpose.

The cross-section of butt joint ring plate 453 is chinese character 'shan' type structure, and butt joint ring plate 453 is last to install the parcel gasbag 4531 symmetrically, and butt joint ring plate 453 constitutes for the rubber material, and during concrete work, because of butt joint ring plate 453 is chinese character 'shan' type structure for the cross-section, very big increase the length that overflows the route of rivers, butt joint ring plate 453 simultaneously when docking with inlet tube 45, parcel gasbag 4531 extrusion deformation, the gap of filling combination department, and then when having avoided the water injection greatly, the condition of rivers leakage takes place.

Gas transmission hole D has been seted up on gas transmission apron 5, install adsorption plate cover 51 through sliding connection's mode on the gas transmission hole D inner wall, adsorption plate cover 51 upper end is provided with active carbon bag 52, sliding clamp plate 53 is installed through sliding connection's mode in the gas transmission apron 5 outside, there is adjusting screw 54 through threaded connection on the sliding clamp plate 53, adjusting screw 54 inboard supports to have interior splint 55, interior splint 55 installs on sliding clamp plate 53 through sliding connection's mode, evenly install package clamp sideboard 56 through the mode of rotating the connection on the interior splint 55, link together through connecting spring 57 between package clamp sideboard 56 and the interior splint 55, during concrete work, when gas transmission hole D butt joint on flue gas input pipeline and the gas transmission apron 5, artifical drive sliding clamp plate 53 upward movement, entangle the flue gas input pipeline, later artifical twist adjusting screw 54, drive interior splint 55 inboard motion, entangle flue gas input pipeline, simultaneously package clamp sideboard 56 on interior splint 55 is laminating flue gas input pipeline all because of connecting spring 57 effect, and then very big stability when having avoided gas transmission apron when gas transmission cover, the gas transmission cover is all taken place the clean active impurity on the gas transmission hole D, flue gas transmission hole D, the gas transmission cover 52, the clean condition that the flue gas input pipeline takes place simultaneously, the flue gas transmission bag.

When in work:

s1, material preparation: cold water for absorbing residual heat of the flue gas is manually injected into the water containing rack 4 through the water inlet pipe 45, then the flue gas input pipeline is manually butted with the vent hole D, then the sliding clamping plate 53 is manually driven to move upwards to sleeve the flue gas input pipeline, then the adjusting screw 54 is manually screwed to drive the inner clamping plate 55 to move inwards to wrap the flue gas input pipeline, and meanwhile, the wrapping and clamping plate 56 on the inner clamping plate 55 is always attached to the flue gas input pipeline under the action of the connecting spring 57, so that the material preparation operation is completed;

s2, butt joint and sealing: after the material preparation operation is completed, the traction pulling plate 47 is manually pushed to enable the water containing frame 4 to enter the sealing outer frame 3, the butt joint wedge block 31 on the sealing outer frame 3 is attached to the water containing frame 4 under the action of the butt joint spring 32, meanwhile, when the butt joint wedge block 31 is attached to the water containing frame 4, the deformation air bag 33 deforms under the extrusion action to wrap the joint, and meanwhile, when the sliding support rod 42 is inserted into the sealing outer frame 3, the driving rod 424 is manually screwed to rotate, so that the push joint block 425 is driven to rotate, the sealing wrapping plate 423 is enabled to be attached to the surface of the sliding groove C of the sealing outer frame 3 in an outward movement mode, the air tightness during attachment is further improved, and the purpose of butt joint and sealing is achieved;

s3, collecting and cleaning: after the butt joint sealing operation is finished, manually pouring out the water source after heat absorption from the water outlet pipe 46, simultaneously leading out redundant smoke through the air outlet pipe 34, and manually disassembling the water through pipe 43 and the communicating ring pipe 44 on the equipment for cleaning, thereby finishing the collecting and cleaning operation;

and S4, repeating the steps S1 to S3, and continuously performing the operation of recovering the waste heat of the flue gas by the economizer.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal economizer, includes mounting substrate (1), support column (2), sealed frame (3), dress water stand (4) and gas transmission apron (5), its characterized in that: support column (2) are evenly installed through the welded mode on the terminal surface under mounting substrate (1), and fixed mounting has sealed frame (3) on mounting substrate (1), installs dress water frame (4) through sliding connection's mode on sealed frame (3), and sealed frame (3) upper end fixed mounting has gas transmission apron (5), wherein:

the water containing frame (4) comprises a water containing box (41), a sliding support rod (42), a water through pipe (43), a communicating ring pipe (44), a water inlet pipe (45), a water outlet pipe (46) and a traction pull plate (47), wherein the water containing box (41) is installed inside a sealed outer frame (3) in a sliding connection mode, the lower end face of the water containing box (41) is uniformly provided with vent holes F, the water containing box (41) is uniformly provided with the sliding support rod (42), the water through pipe (43) is uniformly installed on the water containing box (41), the water through pipe (43) is connected between the water through the communicating ring pipe (44), the communicating ring pipe (44) is fixedly installed on the water containing box (41) through bolts, the water through pipe (43) is connected with the water inlet pipe (45) and the water outlet pipe (46), the water inlet pipe (45) and the water outlet pipe (46) are fixedly installed on the water containing box (41), the water inlet pipe (45) and the water outlet pipe (46) are consistent in structure, and the traction pull plate (47) is fixedly installed on the water containing box (41);

the connecting ring pipe (44) is of an arc-shaped structure, sliding grooves A and sliding grooves B are uniformly formed in the inner wall of the connecting ring pipe (44), the sliding grooves A and the sliding grooves B are arranged in a staggered mode, sliding scrapers (441) matched with the sliding grooves A for use are symmetrically mounted in the connecting ring pipe (44), the sliding scrapers (441) are made of magnetic materials, extension rods (442) are fixedly mounted on the sliding scrapers (441), the extension rods (442) penetrate through a traction scraper (443), the traction scrapers (443) and the extension rods (442) slide mutually, the traction scrapers (443) are mounted on the sliding grooves B in a sliding connection mode, and traction strips (444) are fixedly mounted on the extension rods (442);

sliding support pole (42) are the zigzag structure, install carriage (421) through sliding connection's mode on sliding support pole (42), evenly install spherical ball through the mode of rotating the connection on carriage (421), link together through extrapolation spring (422) between carriage (421) and sliding support pole (42), sealed package board (423) are installed through sliding connection's mode symmetry in sliding support pole (42) outside, sealed package board (423) inboard is provided with actuating lever (424), install on sliding support pole (42) through the mode of rotating the connection actuating lever (424), evenly install on actuating lever (424) and support kicking block (425), it supports kicking block (425) and supports and lean on sealed package board (423).

2. An economizer as claimed in claim 1 wherein: evenly be provided with on sealed frame (3) inner wall and slide groove C with slip branch (42) use of mutually supporting, evenly install butt joint voussoir (31) through sliding connection's mode on the slide groove C inner wall, butt joint voussoir (31) link together through supporting between pushing away spring (32) and sealed frame (3), deformation gasbag (33) are installed to butt joint voussoir (31) head, fixed mounting has outlet duct (34) on sealed frame (3) lower terminal surface, outlet duct (34) are the bucket shape structure.

3. An economizer as claimed in claim 1 wherein: gas transmission hole D has been seted up on gas transmission apron (5), install adsorption plate cover (51) through sliding connection's mode on the gas transmission hole D inner wall, adsorption plate cover (51) upper end is provided with active carbon bag (52), sliding splint (53) are installed through sliding connection's mode in the gas transmission apron (5) outside, there are adjusting screw (54) through threaded connection on sliding splint (53), adjusting screw (54) inboard is supported and is leaned on interior splint (55), install on sliding splint (53) through sliding connection's mode interior splint (55), evenly install package through the mode of rotating the connection on interior splint (55) and press from both sides sideboard (56), link together through coupling spring (57) between package clamp sideboard (56) and interior splint (55).

4. An economizer as claimed in claim 1 wherein: the water service pipe (43) is of a tubular structure, a rotating ring (431) is uniformly installed on the inner wall of the water service pipe (43) in a rotating connection mode, an inner wall scraper (432) is installed on the inner side of the rotating ring (431), an outer pull slide rod (433) is installed on the inner wall scraper (432) in a sliding connection mode, the outer pull slide rod (433) is installed on a material pulling sieve plate (434) in a rotating connection mode, and the material pulling sieve plate (434) is installed on the inner wall of the water service pipe (43) in a sliding connection mode.

5. An economizer as claimed in claim 1 wherein: the utility model discloses a butt joint annular plate (453) are installed through spring (452) symmetry in the water hole D outside to open-close plate (451) for having seted up water hole D, install through the mode of rotating to connect on inlet tube (45) butt joint annular plate (453).

6. An economizer as claimed in claim 5 wherein: the cross section of the butt joint annular plate (453) is of a herringbone structure, wrapping air bags (4531) are symmetrically mounted on the butt joint annular plate (453), and the butt joint annular plate (453) is made of rubber materials.

7. An economizer as claimed in claim 1 wherein: the sliding scraper (441) and the traction scraper (443) are uniformly provided with communicating holes E, the diameter of the communicating holes E on the traction scraper (443) is larger than that of the communicating holes E on the sliding scraper (441), and edge scraping arc blocks (4411) are arranged on the outer sides of the sliding scraper (441) and the traction scraper (443).