CN214038365U

CN214038365U - Tail heat absorption device of saturated steam boiler

Info

Publication number: CN214038365U
Application number: CN202120017046.XU
Authority: CN
Inventors: 姜磊; 金路; 杨涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-24
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a saturated steam boiler's afterbody heat absorbing device relates to steam boiler technical field, this saturated steam boiler's afterbody heat absorbing device, including the apron, discharge fume the pipe and the economizer body, the mounting groove has been seted up on the surface of the pipe of discharging fume, the apron passes through the inside of screw fixed connection at the mounting groove, the air inlet end of the pipe of discharging fume and the air-out end fixed connection of furnace body, the front and the back of economizer body all through the support respectively with the inboard front and the back fixed connection of U-shaped board, the front and the back of the inside wall of discharging fume all seted up flutedly, the front and the equal fixedly connected with square bar in the back of U-shaped board. The utility model discloses a set up U-shaped board, first threaded rod, first movable sleeve and fixture block, solved current economizer generally through screw or fixed welding at the boiler afterbody, the installation is complicated, and the installation is firm inadequately, the economizer damage the problem of the back change of being not convenient for.

Description

Tail heat absorption device of saturated steam boiler

Technical Field

The utility model relates to a steam boiler technical field specifically is a saturated steam boiler's afterbody heat sink.

Background

The steam boiler refers to an industrial boiler which heats water to a certain parameter and produces high-temperature steam, the water is heated in a boiler barrel to be changed into steam, and the fire gives off heat in a hearth, namely the principle of the steam boiler, and the steam boiler can be divided into an electric steam boiler, an oil steam boiler and a gas steam boiler according to fuel; the steam boiler can be divided into a vertical steam boiler and a horizontal steam boiler according to the structure, wherein the middle-size and small-size steam boilers are mostly in single-return and double-return vertical structures, and the large-size steam boilers are mostly in three-return horizontal structures.

In a saturated steam boiler, the heat absorption rate of a boiler furnace accounts for about sixty percent of the total heat absorption capacity, the heat absorption capacity of the tail of the boiler accounts for about forty percent of the total heat absorption capacity, an economizer is generally mounted at the tail of the boiler for heat recovery, the boiler is used for a long time, the economizer is easy to damage, the existing economizer is generally welded at the tail of the boiler through screws or fixed welding, the mounting process is complex, the mounting is not firm enough, and the economizer is not convenient to replace after being damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a saturated steam boiler's afterbody heat sink possesses the advantage that the installation is firm and convenient to detach to solve current economizer generally through screw or fixed welding at the boiler afterbody, the installation is complicated, and the installation is firm inadequately, the problem of the change of being not convenient for after the economizer damages.

For the purpose that realizes the firm and convenient to detach of installation, the utility model provides a following technical scheme: a tail heat absorption device of a saturated steam boiler comprises a cover plate, a smoke exhaust pipe and an economizer body, wherein the surface of the smoke exhaust pipe is provided with a mounting groove, the cover plate is fixedly connected inside the mounting groove through screws, an air inlet end of the smoke exhaust pipe is fixedly connected with an air outlet end of a boiler body, the front and the back of the economizer body are fixedly connected with the front and the back of the inner side of a U-shaped plate respectively through supports, the front and the back of the inner wall of the smoke exhaust pipe are provided with grooves, the front and the back of the U-shaped plate are fixedly connected with square rods, the surfaces of the two square rods are movably connected with the inner walls of the two grooves respectively, the side surfaces of the two square rods are provided with through grooves, the bottom of the inner wall of each through groove is movably connected with one end of a first threaded rod, the other end of the first threaded rod is fixedly connected with one end of a second threaded rod, the second threaded rod movably penetrates through the top of the inner wall of the through grooves and extends to the upper part of the square rods, a first movable sleeve is sleeved on the surface of the first threaded rod in a threaded manner and is hinged with one end of a first connecting rod through a first round shaft, the other end of the first connecting rod is hinged with a first extrusion rod through a second round shaft, a second movable sleeve is sleeved on the surface of the second threaded rod in a threaded manner, the second movable sleeve is hinged with one end of a second connecting rod through a third round shaft, the other end of the second connecting rod is hinged with a second extrusion rod through a fourth round shaft, the upper end of the first extrusion rod is fixedly connected with the lower end of the second extrusion rod, the first extrusion rod and the second extrusion rod are both positioned in the through groove, the surfaces of the first extrusion rod and the second extrusion rod are both fixedly connected with clamping blocks, the inner wall of the groove is provided with a clamping groove corresponding to the position of the clamping block, the clamping block is movably inserted in the clamping groove, and the upper surface of the U-shaped plate is provided with an elongated slot.

As an optimized technical scheme of the utility model, two the fluted disc has all been cup jointed to the surface of second threaded rod, two the fluted disc passes through chain drive and connects, the chain is located the inside of elongated slot.

As a preferred technical scheme of the utility model, the upper end fixedly connected with carousel of second threaded rod, the carousel is located the inside of recess.

As an optimal technical scheme of the utility model, the screw thread opposite direction of first threaded rod and second threaded rod, the shape of first movable sleeve and second movable sleeve is respectively with the shape looks adaptation of first threaded rod and second threaded rod.

As a preferred technical scheme of the utility model, the upper end fixedly connected with gag lever post of second stripper bar, the spacing groove has been seted up at the top that leads to the inslot wall, the surface of gag lever post and the inner wall swing joint of spacing groove.

As an optimal technical scheme of the utility model, the fixed bearing of inlaying in the bottom that leads to the inslot wall, the fixed cover of bearing connects on the surface of first threaded rod.

Compared with the prior art, the utility model provides a saturated steam boiler's afterbody heat sink possesses following beneficial effect:

1. the tail heat absorption device of the saturated steam boiler is characterized in that a U-shaped plate, a first threaded rod, a first movable sleeve and a clamping block are arranged, when the tail heat absorption device is used, the cover plate is in an open state, the U-shaped plate is placed into a smoke exhaust pipe from top to bottom, a square rod is movably connected into a groove, any rotating disc is rotated, the rotating disc drives a first threaded rod and a second threaded rod to rotate, the first threaded rod drives the first movable sleeve to move upwards, the second threaded rod drives a second movable sleeve to move downwards, the first movable sleeve and the second movable sleeve drive a first extrusion rod and a second extrusion rod to move respectively through a first connecting rod and a second connecting rod, the first extrusion rod and the second extrusion rod drive the clamping block to movably plug into a clamping groove respectively, the second threaded rod drives a fluted disc to rotate while any rotating disc drives the second threaded rod to rotate, the fluted disc drives the fluted disc to rotate through chain transmission, the clamping block on the other side is movably inserted into the clamping groove, so that the square rod is firmly fixed in the groove, and the cover plate is fixed on the inner wall of the mounting groove through the screw, and the coal economizer body is firmly fixed inside the smoke exhaust pipe.

2. The tail heat absorption device of the saturated steam boiler is provided with a first threaded rod, a second threaded rod and a fluted disc, if an economizer body is damaged, a cover plate is opened, any rotary disc is rotated reversely, the rotary disc drives the first threaded rod and the second threaded rod to rotate, the first threaded rod drives a first movable sleeve to move downwards, the second threaded rod drives a second movable sleeve to move upwards, the first movable sleeve and the second movable sleeve drive a first extrusion rod and a second extrusion rod to move respectively through a first connecting rod and a second connecting rod, the first extrusion rod and the second extrusion rod drive a clamping block to be separated from the inside of a clamping groove respectively, when any rotary disc rotates to drive the first threaded rod to rotate, the first threaded rod drives the fluted disc to rotate, the fluted disc drives the fluted disc on the other side to rotate through chain transmission, the clamping block on the other side is also separated from the inside of the clamping groove, the economizer body is taken out, and the clamping block can be separated from the clamping groove only by rotating the rotary disc, the whole disassembly process is simple, the operation is convenient, and the time and the labor are saved.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a front cross-sectional view of the first threaded rod of the present invention;

FIG. 4 is an enlarged view of the structure B in FIG. 3 according to the present invention;

FIG. 5 is a left sectional view of the first threaded rod of the present invention;

fig. 6 is a top sectional view of the fluted disc of the present invention.

In the figure: 1. a cover plate; 2. a smoke exhaust pipe; 3. an economizer body; 4. mounting grooves; 5. a furnace body; 6. a U-shaped plate; 7. a groove; 8. a square bar; 9. a through groove; 10. a first threaded rod; 11. a second threaded rod; 12. a first movable sleeve; 13. a first circular shaft; 14. a first link; 15. a second circular shaft; 16. a first extrusion stem; 17. a second movable sleeve; 18. a third circular shaft; 19. a second link; 20. a fourth circular shaft; 21. a second extrusion stem; 22. a clamping block; 23. a card slot; 24. a long groove; 25. a fluted disc; 26. a chain; 27. a turntable; 28. a limiting rod; 29. a limiting groove; 30. and a bearing.

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 utility model discloses a tail heat absorption device of a saturated steam boiler, comprising a cover plate 1, a smoke exhaust pipe 2 and an economizer body 3, wherein the surface of the smoke exhaust pipe 2 is provided with an installation groove 4, the installation groove 4 is communicated with the inside of the smoke exhaust pipe 2, the cover plate 1 is fixedly connected with the inside of the installation groove 4 through screws, the air inlet end of the smoke exhaust pipe 2 is fixedly connected with the air outlet end of a furnace body 5, the furnace body 5 is a steam boiler body, the front and the back of the economizer body 3 are fixedly connected with the front and the back of the inner side of a U-shaped plate 6 through a bracket, the U-shaped plate 6 surrounds the front, the back and the upper surface of the economizer body 3, the front and the back of the inner wall of the smoke exhaust pipe 2 are both provided with grooves 7, the grooves 7 are used for installing the economizer body 3, the front and the back of the U-shaped plate 6 are both fixedly connected with square rods 8, the surfaces of the two square rods 8 are respectively movably connected with the inner walls of the two grooves 7, the side surfaces of the two square rods 8 are respectively provided with a through groove 9, the through groove 9 transversely penetrates through the square rods 8, the bottom of the inner wall of the through groove 9 is movably connected with one end of a first threaded rod 10, the lower end of the first threaded rod 10 is movably embedded at the bottom of the inner wall of the through groove 9, the other end of the first threaded rod 10 is fixedly connected with one end of a second threaded rod 11, the first threaded rod 10 and the second threaded rod 11 are integrated, the other end of the second threaded rod 11 movably penetrates through the top of the inner wall of the through groove 9 and extends to the upper part of the square rod 8, a first movable sleeve 12 is sleeved on the surface thread of the first threaded rod 10, the first movable sleeve 12 is an internal thread sleeve, the first movable sleeve 12 is hinged with one end of a first connecting rod 14 through a first round shaft 13, and a first extrusion rod 16 is hinged with the other end of the first connecting rod 14 through a second round shaft 15, the first extrusion rod 16 and the first movable sleeve 12 are connected through a first connecting rod 14, a second movable sleeve 17 is sleeved on the surface of the second threaded rod 11 through threads, the second movable sleeve 17 is an internal thread sleeve, the second movable sleeve 17 is hinged to one end of a second connecting rod 19 through a third circular shaft 18, the other end of the second connecting rod 19 is hinged to a second extrusion rod 21 through a fourth circular shaft 20, the second extrusion rod 21 and the second movable sleeve 17 are connected through the second connecting rod 19, the upper end of the first extrusion rod 16 is fixedly connected with the lower end of the second extrusion rod 21, the first extrusion rod 16 and the second extrusion rod 21 are both located inside the through groove 9, the surfaces of the first extrusion rod 16 and the second extrusion rod 21 are both fixedly connected with a clamping block 22, the clamping block 22 is a clamping device, a clamping groove 23 is formed in the position, corresponding to the clamping block 22, of the inner wall of the groove 7, and the shape of the clamping groove 23 is matched with the shape of the clamping block 22, the clamping block 22 is movably inserted in the clamping groove 23, the upper surface of the U-shaped plate 6 is provided with a long groove 24, and the middle section of the chain 26 passes through the inside of the long groove 24.

Specifically, the surfaces of the two second threaded rods 11 are fixedly sleeved with toothed discs 25, the two toothed discs 25 are in transmission connection through chains 26, and the chains 26 are located inside the elongated grooves 24.

In this embodiment, the two fluted discs 25 are in transmission connection through the chain 26, so that one second threaded rod 11 is rotated, and the other second threaded rod 11 rotates simultaneously.

Specifically, the upper end of the second threaded rod 11 is fixedly connected with a rotary disc 27, and the rotary disc 27 is located inside the groove 7.

In this embodiment, the dial 27 is provided to facilitate rotation of the second threaded rod 11.

Specifically, the thread directions of the first threaded rod 10 and the second threaded rod 11 are opposite, and the shapes of the first movable sleeve 12 and the second movable sleeve 17 are respectively matched with the shapes of the first threaded rod 10 and the second threaded rod 11.

In this embodiment, the first threaded rod 10 and the second threaded rod 11 have opposite thread directions, so that the second movable sleeve 17 and the first movable sleeve 12 move in opposite directions while the second threaded rod 11 and the first threaded rod 10 are rotated.

Specifically, the upper end of the second extrusion rod 21 is fixedly connected with a limiting rod 28, the top of the inner wall of the through groove 9 is provided with a limiting groove 29, and the surface of the limiting rod 28 is movably connected with the inner wall of the limiting groove 29.

In this embodiment, the arrangement of the limiting rod 28 and the limiting groove 29 makes the movement of the second extrusion rod 21 more stable.

Specifically, a bearing 30 is fixedly embedded at the bottom of the inner wall of the through groove 9, and the bearing 30 is fixedly sleeved on the surface of the first threaded rod 10.

In this embodiment, the bearing 30 is provided to make the first threaded rod 10 rotate more stably without moving up and down.

The utility model discloses a theory of operation and use flow: when the smoke exhaust pipe is used, the cover plate 1 is in an open state, the U-shaped plate 6 is put into the smoke exhaust pipe 2 from top to bottom, the square rod 8 is movably connected inside the groove 7, any one of the turntables 27 is rotated, the turntables 27 drive the first threaded rod 10 and the second threaded rod 11 to rotate, the first threaded rod 10 drives the first movable sleeve 12 to move upwards, the second threaded rod 11 drives the second movable sleeve 17 to move downwards, the first movable sleeve 12 and the second movable sleeve 17 drive the first extrusion rod 16 and the second extrusion rod 21 to move through the first connecting rod 14 and the second connecting rod 19 respectively, the first extrusion rod 16 and the second extrusion rod 21 drive the clamping block 22 to movably insert into the clamping groove 23 respectively, when any one of the turntables 27 rotates to drive the first threaded rod 10 to rotate, the first threaded rod 10 drives the fluted disc 25 to rotate, the fluted disc 25 drives the fluted disc 25 on the other side to rotate through the chain 26, the clamping block 22 on the other side also movably inserts into the clamping groove 23, thereby the square rod 8 is firmly fixed in the groove 7, the coal economizer body 3 is firmly fixed in the smoke exhaust pipe 2, the cover plate 1 is fixed on the inner wall of the mounting groove 4 through screws, if the coal economizer body 3 is damaged, the cover plate 1 is opened, any rotary disc 27 is reversely rotated, the rotary disc 27 drives the first threaded rod 10 and the second threaded rod 11 to rotate, the first threaded rod 10 drives the first movable sleeve 12 to move downwards, the second threaded rod 11 drives the second movable sleeve 17 to move upwards, the first movable sleeve 12 and the second movable sleeve 17 respectively drive the first extrusion rod 16 and the second extrusion rod 21 to move through the first connecting rod 14 and the second connecting rod 19, the first extrusion rod 16 and the second extrusion rod 21 respectively drive the clamping block 22 to be separated from the inner part of the clamping groove 23, when any rotary disc 27 rotates to drive the second threaded rod 11 to rotate, the second threaded rod 11 drives the fluted disc 25 to rotate, the fluted disc 25 drives the fluted disc 25 of another side rotatory through the transmission of chain 26, and the fixture block 22 of another side also separates with the inside of draw-in groove 23, takes out economizer body 3 again, just can realize the separation of fixture block 22 and draw-in groove 23 through rotatory carousel 27, and whole dismantlement process is simple, convenient operation, labour saving and time saving.

To sum up, the tail heat absorption device of the saturated steam boiler solves the problems that the existing economizer is generally welded at the tail of the boiler through screws or fixed welding, the installation process is complex, the installation is not firm enough, and the economizer is not convenient to replace after being damaged by arranging the U-shaped plate 6, the first threaded rod 10, the first movable sleeve 12 and the fixture block 22.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. The utility model provides a saturated steam boiler's afterbody heat absorbing device, includes apron (1), smoke pipe (2) and economizer body (3), its characterized in that: the smoke exhaust pipe is characterized in that a mounting groove (4) is formed in the surface of the smoke exhaust pipe (2), the cover plate (1) is fixedly connected to the inside of the mounting groove (4) through screws, an air inlet end of the smoke exhaust pipe (2) is fixedly connected with an air outlet end of the furnace body (5), the front and the back of the economizer body (3) are fixedly connected with the front and the back of the inner side of the U-shaped plate (6) through supports respectively, grooves (7) are formed in the front and the back of the inner wall of the smoke exhaust pipe (2), square rods (8) are fixedly connected to the front and the back of the U-shaped plate (6), the surfaces of the two square rods (8) are movably connected with the inner walls of the two grooves (7) respectively, through grooves (9) are formed in the side faces of the two square rods (8), the bottom of the inner wall of the through grooves (9) is movably connected with one end of a first threaded rod (10), and the other end of the first threaded rod (10) is fixedly connected with one end of a second threaded rod (11), the other end of the second threaded rod (11) movably penetrates through the top of the inner wall of the through groove (9) and extends to the upper side of the square rod (8), a first movable sleeve (12) is sleeved on the surface thread of the first threaded rod (10), the first movable sleeve (12) is hinged to one end of a first connecting rod (14) through a first round shaft (13), the other end of the first connecting rod (14) is hinged to a first extrusion rod (16) through a second round shaft (15), the surface thread of the second threaded rod (11) is sleeved with a second movable sleeve (17), the second movable sleeve (17) is hinged to one end of a second connecting rod (19) through a third round shaft (18), the other end of the second connecting rod (19) is hinged to a second extrusion rod (21) through a fourth round shaft (20), the upper end of the first extrusion rod (16) is fixedly connected with the lower end of the second extrusion rod (21), the first extrusion rod (16) and the second extrusion rod (21) are located inside the through groove (9), fixture blocks (22) are fixedly connected to the surfaces of the first extrusion rod (16) and the second extrusion rod (21), a clamping groove (23) is formed in the position, corresponding to the fixture blocks (22), of the inner wall of the groove (7), the fixture blocks (22) are movably inserted into the clamping groove (23), and an elongated groove (24) is formed in the upper surface of the U-shaped plate (6).

2. A saturated steam boiler aft heat absorber according to claim 1, wherein: fluted discs (25) are fixedly sleeved on the surfaces of the two second threaded rods (11), the two fluted discs (25) are in transmission connection through chains (26), and the chains (26) are located inside the long grooves (24).

3. A saturated steam boiler aft heat absorber according to claim 1, wherein: the upper end fixedly connected with carousel (27) of second threaded rod (11), carousel (27) are located the inside of recess (7).

4. A saturated steam boiler aft heat absorber according to claim 1, wherein: the thread directions of the first threaded rod (10) and the second threaded rod (11) are opposite, and the shapes of the first movable sleeve (12) and the second movable sleeve (17) are respectively matched with the shapes of the first threaded rod (10) and the second threaded rod (11).

5. A saturated steam boiler aft heat absorber according to claim 1, wherein: the upper end fixedly connected with gag lever post (28) of second extrusion pole (21), spacing groove (29) have been seted up at the top that leads to groove (9) inner wall, the surface of gag lever post (28) and the inner wall swing joint of spacing groove (29).

6. A saturated steam boiler aft heat absorber according to claim 1, wherein: the bottom of the inner wall of the through groove (9) is fixedly embedded with a bearing (30), and the bearing (30) is fixedly sleeved on the surface of the first threaded rod (10).