CN213120268U

CN213120268U - Cleaning device of economizer boiler tube

Info

Publication number: CN213120268U
Application number: CN202022000425.6U
Authority: CN
Inventors: 蔡丽萍; 赵春山; 陈小东; 颉春
Original assignee: Ningbo Liantong Equipment Group Co ltd
Current assignee: Ningbo Liantong Equipment Group Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-05-04
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a cleaning device of economizer boiler tube, concretely relates to cleaning device field, including the mobile jib, the fixed annular slab that is equipped with in mobile jib outer end, a plurality of first recesses have been seted up on the annular slab top, the inside adjustment mechanism that is equipped with of first recess, adjustment mechanism includes the second connecting rod, second connecting rod one end and mobile jib outer end fixed connection, the inside first connecting block that is equipped with of first recess, second connecting rod outer pot head is equipped with the spring, the spring both ends respectively with mobile jib outer end and first connecting block one side fixed connection, first connecting block opposite side is equipped with the scraper. The utility model discloses a spring promotes first connecting block and scraper extrusion boiler tube inner wall, and the second rack is with scraper rigidity with first rack intermeshing after having adjusted the scraper, and the spring promotes the scraper and makes cleaning device can adapt to different boiler tube sizes, and application scope is wide, has prolonged the life of economizer simultaneously.

Description

Cleaning device of economizer boiler tube

Technical Field

The embodiment of the utility model provides a cleaning device field, concretely relates to cleaning device of economizer boiler tube.

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 the waste heat of exhausted smoke, heats the water fed by the boiler into a heating surface of saturated water under the pressure of a steam drum, and is called as the economizer because the economizer absorbs the heat of high-temperature smoke, reduces the exhaust temperature of the smoke, saves energy and improves the efficiency. Because the water in the economizer furnace tube is heated for a long time, scale can be slowly generated to be attached to the inner wall of the pipeline, the furnace tube can be blocked even after the water is heated for a long time, and the water needs to be cleaned regularly.

The prior art has the following defects: common cleaning methods are chemical cleaning and mechanical cleaning, the chemical cleaning uses acidic chemical liquid to treat water scales in the pipelines, but the chemical liquid can also cause certain corrosion damage to the pipelines, so that the service life of the economizer is shortened, the mechanical cleaning tool cannot flexibly adapt to different pipeline sizes temporarily, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a cleaning device of economizer boiler tube, it makes first connecting block compression spring to be extruded by boiler tube inner wall through the scraper, the elasticity of spring is reverse action again and promotes first connecting block and scraper and continuously extrudees the boiler tube inner wall, move down T type cover tube after adjusting the scraper and make second rack and first rack intermeshing, thereby make the scraper position fixed, the spring promotes the scraper and makes cleaning device can adapt to different boiler tube sizes, application scope is wide, the life of economizer has been prolonged simultaneously, in order to solve among the prior art because chemical liquid clearance can lead to the fact certain corruption to the pipeline, and mechanical cleaning tool temporarily can' T adapt to different pipeline sizes in a flexible way and lead to the life reduction of economizer, and the narrow problem of application scope.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a cleaning device for a coal economizer furnace tube comprises a main rod, wherein an annular plate is fixedly arranged at the outer end of the main rod, a plurality of first grooves are formed in the top end of the annular plate, an adjusting mechanism is arranged in each first groove, and the adjusting mechanism extends out of the top and one side of the annular plate;

adjustment mechanism includes the second connecting rod, second connecting rod one end and mobile jib outer end fixed connection, the inside first link that is equipped with of first recess, first link extends first recess one side, the second connecting rod is established in first link one side and is extended into inside the first link, second connecting rod outer end cover is equipped with the spring, the spring both ends respectively with mobile jib outer end and first link one side fixed connection, the second recess has been seted up to first link opposite side, first link opposite side is equipped with the scraper, the fixed second connecting block that is equipped with in scraper one side, the second connecting block is established inside the second recess, second connecting block and first link can dismantle the connection through the bolt, the scraper is established in first recess one side.

Furthermore, a limiting groove is formed in one side of the first connecting block, the second connecting rod is arranged on one side of the limiting groove and extends into the limiting groove, a limiting plate is fixedly arranged at the other end of the second connecting rod, and the limiting plate is arranged in the limiting groove.

Furthermore, a first rack is fixedly arranged at the top end of the first connecting block, and the first rack is arranged at the top of the annular plate.

Further, the outer pot head of mobile jib is equipped with T type sleeve, T type sleeve is established at the annular slab top, T type sleeve bottom end is fixed and is equipped with a plurality of second racks, the second rack is established on first rack top, second rack and first rack intermeshing.

Further, mobile jib outer end cover is equipped with the nut, the mobile jib passes through vice the being connected of screw thread with the nut, the nut is established on T type sleeve top, the nut bottom contacts with T type sleeve top.

Further, the mobile jib top is equipped with the motor, the fixed handle that is equipped with in motor outer end, the motor bottom mounting is equipped with U type pipe strap, U type pipe strap is established in motor output shaft one side, motor output shaft bottom mounting is equipped with the head rod, the head rod is established at the mobile jib top and is extended into inside the mobile jib, the head rod passes through the bolt with the mobile jib and can dismantle and be connected.

Further, the outer end of the main rod is movably connected with an annular water tank through a bearing, a plurality of spray heads are fixedly arranged on the outer side of the annular water tank, the annular water tank is arranged at the top of the nut, a hard water pipe is fixedly arranged at the top end of the annular water tank and arranged on one side of the first connecting rod, and the hard water pipe penetrates through the U-shaped pipe clamp.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a boiler tube inner wall extrusion scraper makes first linkage block compression spring produce elasticity, the elasticity of spring is reverse action again and promotes first linkage block and scraper and continuously extrudees the boiler tube inner wall, make second rack and first rack intermeshing with T type sleeve downstream after scraper and boiler tube inner wall laminating adjustment, make first linkage block fixed can not be again to the inside removal of first recess, compare with prior art, the spring promotes the scraper and makes cleaning device can adapt to different boiler tube sizes, application scope is wide, the life of economizer has been prolonged simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of a front sectional structure provided by the present invention;

fig. 2 is a schematic top sectional structural view provided by the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the portion B in FIG. 2 according to the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the scraper provided by the present invention;

in the figure: the automatic water supply device comprises a main rod 1, an adjusting mechanism 2, a first connecting rod 3, a motor 4, a ring-shaped plate 5, a first groove 6, a second connecting rod 7, a first connecting block 8, a spring 9, a limiting groove 10, a limiting plate 11, a scraper 12, a second connecting block 13, a second groove 14, a first rack 15, a sleeve 16T-shaped sleeve 17, a second rack 17, a nut 18, a ring-shaped water tank 19, a hard water pipe 20 and a pipe clamp 21U-shaped pipe clamp.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5 of the specification, the cleaning device for the economizer furnace tube of the embodiment comprises a main rod 1, wherein an annular plate 5 is fixedly arranged at the outer end of the main rod 1, a plurality of first grooves 6 are formed in the top end of the annular plate 5, an adjusting mechanism 2 is arranged inside the first grooves 6, and the adjusting mechanism 2 extends out of the top and one side of the annular plate 5;

the adjusting mechanism 2 comprises a second connecting rod 7, one end of the second connecting rod 7 is fixedly connected with the outer end of the main rod 1, a first connecting block 8 is arranged in the first groove 6, the first connecting block 8 extends out of one side of the first groove 6, the second connecting rod 7 is arranged at one side of the first connecting block 8 and extends into the first connecting block 8, the outer end of the second connecting rod 7 is sleeved with a spring 9, the two ends of the spring 9 are respectively fixedly connected with the outer end of the main rod 1 and one side of the first connecting block 8, a second groove 14 is arranged on the other side of the first connecting block 8, a scraper 12 is arranged on the other side of the first connecting block 8, a second connecting block 13 is fixedly arranged on one side of the scraper 12, the second connecting block 13 is arranged in a second groove 14, the second connecting block 13 is detachably connected with the first connecting block 8 through a bolt, and the scraper 12 is arranged on one side of the first groove 6.

Further, a limiting groove 10 has been seted up to first connecting block 8 one side, second connecting rod 7 is established in limiting groove 10 one side and is extended into inside limiting groove 10, the fixed limiting plate 11 that is equipped with in second connecting rod 7 other end, limiting plate 11 is established inside limiting groove 10, and limiting groove 10 and limiting plate 11 make first connecting block 8 mobilizable simultaneously can not popped out by spring 9.

Further, a first rack 15 is fixedly arranged at the top end of the first connecting block 8, the first rack 15 is arranged at the top of the annular plate 5, and the first rack 15 can be meshed with a second rack 17 to fix the first connecting plate 8.

Further, 1 outer pot head of mobile jib is equipped with T type sleeve 16, T type sleeve 16 is established at annular plate 5 top, 16 bottom mounting of T type sleeve is equipped with a plurality of second racks 17, second rack 17 is established on first rack 15 top, second rack 17 and first rack 15 intermeshing play the fixed action.

Further, the outer end cover of mobile jib 1 is equipped with nut 18, mobile jib 1 passes through screw thread pair with nut 18 and is connected, nut 18 is established on T type sleeve 16 top, 18 bottom of nut contacts with 16 tops of T type sleeve, and nut 18 can push down T type sleeve 16 with mobile jib 1 locking.

Further, 1 top of mobile jib is equipped with motor 4, the fixed handle that is equipped with in 4 outer ends of motor, 4 bottom fixings of motor are equipped with U type pipe strap 21, U type pipe strap 21 is established in 4 output shafts of motor one sides, 4 output shaft bottom ends of motor are fixed and are equipped with head rod 3, head rod 3 establishes at 1 top of mobile jib and extends into 1 inside of mobile jib, head rod 3 passes through the bolt with mobile jib 1 and can dismantle the connection, and motor 4 provides power, 3 extensible working length of connecting rod.

Further, 1 outer end of mobile jib has annular water pitcher 19 through bearing swing joint, 19 outside fixed a plurality of shower nozzles that are equipped with of annular water pitcher, annular water pitcher 19 is established at 18 tops of nut, 19 fixed stereoplasm water pipe 20 that are equipped with in top of annular water pitcher, stereoplasm water pipe 20 is established in head rod 3 one side, stereoplasm water pipe 20 runs through U type pipe strap 21, and stereoplasm water pipe 20, annular water pitcher 19 and shower nozzle are convenient to wash the boiler tube inner wall after the clearance.

The implementation scenario is specifically as follows: the main rod 1 and the first connecting rod 3 are connected together through a bolt, the annular plate 5 and the scraper 12 extend into the furnace tube, the inner wall of the furnace tube can extrude the scraper 12, the scraper 12 pushes the first connecting block 8 to move towards the inside of the first groove 6, meanwhile, the first connecting block 8 compresses the spring 9 to generate elastic force, the elastic force of the spring 9 acts reversely to push the first connecting block 8 and the scraper 12 to continuously extrude the inner wall of the furnace tube, after the scraper 12 is well attached and adjusted with the inner wall of the furnace tube, the T-shaped sleeve 16 moves downwards to enable the second rack 17 at the bottom end of the T-shaped sleeve 16 to be meshed with the first rack 15 at the top end of the first connecting block 8, so that the first connecting block 8 is fixed and can not move towards the inside of the first groove 6, the T-shaped sleeve 16 is extruded downwards by the rotation of the nut 18 at the outer end of the main rod 1 and locked with the thread pair of the main rod 1, starting the motor 4 and holding the handle by hand, rotating the output shaft of the motor 4 to drive the first connecting rod 3 to rotate, thereby driving the main rod 1 to rotate, driving the adjusting mechanism 2 to rotate by the main rod 1 to make the scraper 12 rotate to cling to the inner wall of the furnace tube, simultaneously moving the motor 4 downwards through the handle, thereby driving the scraper 12 to rotate and simultaneously move downwards and slowly, thereby enabling the scraper 12 to clean the scale at deeper positions, during the period, injecting clear water into the annular water tank 19 through the hard water pipe 20, then spraying the clear water through the spray head at the outer end of the annular water tank 19 to clean the interior of the cleaned furnace tube, pushing the scraper 12 by the spring 9 to enable the cleaning device to adapt to different furnace tube sizes, having wide application range and simultaneously prolonging the service life of the economizer, specifically solving the problem that the liquid of chemical cleaning in the prior art can cause certain corrosion damage to the pipeline, thereby reducing the service life of the economizer, and the mechanical cleaning tool can not flexibly adapt to different pipeline sizes temporarily, so that the application range is narrow.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a cleaning device of economizer boiler tube, includes mobile jib (1), its characterized in that: an annular plate (5) is fixedly arranged at the outer end of the main rod (1), a plurality of first grooves (6) are formed in the top end of the annular plate (5), an adjusting mechanism (2) is arranged inside the first grooves (6), and the adjusting mechanism (2) extends out of the top and one side of the annular plate (5);

the adjusting mechanism (2) comprises a second connecting rod (7), one end of the second connecting rod (7) is fixedly connected with the outer end of the main rod (1), a first connecting block (8) is arranged inside the first groove (6), the first connecting block (8) extends out of one side of the first groove (6), the second connecting rod (7) is arranged on one side of the first connecting block (8) and extends into the inside of the first connecting block (8), a spring (9) is sleeved outside the second connecting rod (7), two ends of the spring (9) are fixedly connected with the outer end of the main rod (1) and one side of the first connecting block (8) respectively, a second groove (14) is formed in the other side of the first connecting block (8), a scraper (12) is arranged on the other side of the first connecting block (8), a second connecting block (13) is fixedly arranged on one side of the scraper (12), and the second connecting block (13) is arranged inside the second groove (14), the second connecting block (13) is detachably connected with the first connecting block (8) through a bolt, and the scraper (12) is arranged on one side of the first groove (6).

2. The cleaning device for the economizer tube of claim 1, wherein: spacing groove (10) have been seted up to first connecting block (8) one side, second connecting rod (7) are established in spacing groove (10) one side and are extended into inside spacing groove (10), second connecting rod (7) other end is fixed and is equipped with limiting plate (11), limiting plate (11) are established inside spacing groove (10).

3. The cleaning device for the economizer tube of claim 1, wherein: the top end of the first connecting block (8) is fixedly provided with a first rack (15), and the first rack (15) is arranged at the top of the annular plate (5).

4. The cleaning device for the economizer tube of claim 3, wherein: the outer pot head of mobile jib (1) is equipped with T type sleeve (16), establish at annular plate (5) top T type sleeve (16), T type sleeve (16) bottom mounting is equipped with a plurality of second racks (17), establish on first rack (15) top second rack (17), second rack (17) and first rack (15) intermeshing.

5. The cleaning device for the economizer tube of claim 4, wherein: the outer pot head of mobile jib (1) is equipped with nut (18), mobile jib (1) is connected through screw thread pair with nut (18), establish on T type sleeve (16) top nut (18), nut (18) bottom contacts with T type sleeve (16) top.

6. The cleaning device for the economizer tube of claim 1, wherein: the utility model discloses a motor, including mobile jib (1), motor (4) output shaft, motor (4) top is equipped with motor (4), the fixed handle that is equipped with in motor (4) outer end, motor (4) bottom mounting is equipped with U type pipe strap (21), establish in motor (4) output shaft one side U type pipe strap (21), motor (4) output shaft bottom mounting is equipped with head rod (3), inside head rod (3) were established at mobile jib (1) top and extended into mobile jib (1), head rod (3) can be dismantled through the bolt with mobile jib (1) and be connected.

7. The cleaning device for the economizer tube of claim 6, wherein: the utility model discloses a water pump, including mobile jib (1), annular water pitcher (19) outside is fixed and is equipped with a plurality of shower nozzles, annular water pitcher (19) are established at nut (18) top, annular water pitcher (19) top is fixed and is equipped with stereoplasm water pipe (20), stereoplasm water pipe (20) are established in head rod (3) one side, stereoplasm water pipe (20) run through U type pipe strap (21).