CN215411833U

CN215411833U - Steam boiler capable of efficiently recovering steam waste heat

Info

Publication number: CN215411833U
Application number: CN202121333270.6U
Authority: CN
Inventors: 张纯
Original assignee: Beijing Hongmingxing Technology Co ltd
Current assignee: Beijing Hongmingxing Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-04
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a steam boiler capable of efficiently recovering steam waste heat, which comprises a boiler body, wherein a base is arranged at the bottom of the boiler body, a liquid storage tank is arranged at the top of the base, close to one side of the boiler body, an air guide pipe is fixedly connected between the boiler body and the liquid storage tank, and a waste heat recovery mechanism is arranged inside the liquid storage tank; the waste heat recovery mechanism comprises a fixing plate. According to the utility model, through the waste heat recovery mechanism, cold water can absorb heat more uniformly, the heat absorption stroke of water flow is increased, the heat absorption efficiency is improved, and meanwhile, the plurality of screw rods are matched with the cleaning assembly to rotate, so that two sleeve rings in threaded connection with the outer wall of each screw rod move up and down in opposite or opposite directions, and the sleeve rings drive the plurality of cleaning sleeve rings in the movable rings to clean the surfaces of the heat collection tubes, thereby realizing the purposes of cleaning dirt on the surfaces of the heat collection tubes and improving the heat energy utilization rate, achieving the effects of protecting the environment and saving energy, saving the energy and reducing the cost.

Description

Steam boiler capable of efficiently recovering steam waste heat

Technical Field

The utility model relates to the technical field of steam boilers, in particular to a steam boiler capable of efficiently recovering steam waste heat.

Background

The steam boiler refers to boiler equipment for producing steam, belongs to special equipment, and is designed, produced, delivered and installed by the national technical supervision department, and a user can operate the boiler only by obtaining a boiler use certificate. Different from an atmospheric boiler, a steam boiler is required to have boiler procedures when leaving a factory, the boiler procedures comprise a boiler body diagram, an installation diagram, an instrument valve diagram, a pipeline diagram, a test qualification certificate and the like, and the steam boiler is used as important equipment of an enterprise and can provide a heat source for industrial production or civil life so as to meet the requirements of various production links. In the long-term operation process of the steam boiler, steam with certain heat energy is provided outwards through burning fuel, and meanwhile, a large amount of high-temperature gas is generated and discharged to the atmosphere when the steam boiler burns, so that the high-temperature gas is discharged, a large amount of heat energy is wasted, and the environment is polluted.

Current steam boiler is in the use, because single structure can't utilize the steam waste heat effectively, leads to can not carrying out high-efficient heating to water liquid to influence the utilization effect, and the long-time use of heat pipe can make the pipeline surface produce the dirt and influence heat conduction, thereby has reduced the utilization ratio of heat energy.

Therefore, it is necessary to provide a steam boiler for recovering steam waste heat efficiently to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steam boiler capable of efficiently recovering steam waste heat, which can enable cold water to absorb heat more uniformly through a waste heat recovery mechanism, increase the heat absorption stroke of water flow and improve the heat absorption efficiency, and meanwhile, a plurality of screw rods of a cleaning assembly are matched to rotate, so that two sleeve rings in threaded connection with the outer walls of the screw rods can move up and down oppositely or oppositely, and the sleeve rings can drive a plurality of cleaning ring rings in a movable ring to clean the surfaces of heat collecting pipes, thereby solving the defects in the technology.

In order to achieve the above purpose, the utility model provides the following technical scheme: a steam boiler capable of efficiently recovering steam waste heat comprises a boiler body, wherein a base is arranged at the bottom of the boiler body, a liquid storage tank is arranged at the top of the base, close to one side of the boiler body, an air guide pipe is fixedly connected between the boiler body and the liquid storage tank, and a waste heat recovery mechanism is arranged inside the liquid storage tank;

the waste heat recovery mechanism comprises two fixed plates, the fixed plates are fixedly connected with the inner wall of the liquid storage tank, the cross sections of the fixed plates are annular, a liquid guide cavity is formed in each fixed plate, heat collecting pipes are arranged between the two fixed plates, the heat collecting pipes penetrate through the fixed plates and extend into the liquid guide cavities, the number of the heat collecting pipes is multiple, the heat collecting pipes are uniformly distributed on the inner wall of the liquid guide cavity in an annular shape, the inner walls of the two liquid guide cavities are respectively provided with a liquid inlet pipe and a liquid outlet pipe, and the outer walls of the heat collecting pipes are provided with cleaning components;

the clearance subassembly includes the screw rod, the quantity of screw rod sets up to a plurality ofly, the lantern ring has been cup jointed in the equal activity in screw rod outer wall both sides, two the lantern ring is located the symmetry about the screw rod axis and is set up, the lantern ring and screw rod threaded connection, lantern ring outer wall one side fixedly connected with connecting rod, it is a plurality of fixedly connected with loose ring between the connecting rod, the inside clearance lasso that is equipped with of loose ring, the quantity of clearance lasso sets up to a plurality ofly, the clearance lasso cup joints with the thermal-collecting tube activity.

Preferably, the liquid inlet pipe and the liquid discharge pipe both penetrate through the fixing plate and extend to one side of the outer wall of the liquid storage tank, a circulating guide pipe is fixedly connected between the liquid inlet pipe and the liquid discharge pipe, and a water pump is arranged on the inner wall of the circulating guide pipe.

Preferably, a transmission chain is connected between the plurality of screw rods in a transmission manner, first bearings are arranged at the joints of the screw rods and the two fixing plates, and the screw rods are rotatably connected with the fixing plates through the first bearings.

Preferably, one the outer wall of the screw is fixedly connected with a steering gear, the outer wall of the steering gear is meshed with a bevel gear, one side of the outer wall of the liquid storage tank is provided with a driving motor, the output shaft of the driving motor penetrates through the liquid storage tank and extends to one side of the inner wall of the liquid storage tank, and the bevel gear corresponds to the output shaft of the driving motor.

Preferably, the top of the liquid storage tank is provided with a filter box, a filter screen is arranged in the filter box, the top of the filter box is provided with an air outlet pipe, and an air outlet is formed between the filter box and the liquid storage tank.

Preferably, liquid storage pot bottom fixedly connected with support column, liquid storage pot inner wall bottom is equipped with the scum pipe, base top one side is equipped with the draw-in groove, the inside sliding connection of draw-in groove has the collection storehouse, collect the storehouse and be located under the scum pipe, air duct, feed liquor pipe, fluid-discharge tube and scum intraduct all are equipped with the control valve.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. steam that produces through boiler body during operation is because the effect of atmospheric pressure, enter into in the liquid storage tank through the air duct, the feed liquor pipe lets in cold water, through waste heat recovery mechanism, make cold water more evenly absorb heat, increase the heat absorption stroke of rivers, the heat absorption efficiency is improved, and simultaneously, a plurality of screws of cooperation clearance subassembly rotate, thereby two cover rings that make screw rod outer wall threaded connection reciprocate to relative or opposite direction, make the lantern ring drive the inside a plurality of clearance lassos of movable ring and clear up the surface of thermal-collecting tube, thereby realize that can clear up thermal-collecting tube surface dirt and improve heat utilization rate's mesh, reach environmental protection and energy saving's effect, the energy is saved, and the cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a top cross-sectional view of the fixation plate of the present invention;

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

FIG. 4 is a top view of a retaining plate of the present invention;

FIG. 5 is a schematic view of the connection structure of the movable ring and the cleaning collar of the present invention.

Description of reference numerals:

1. a boiler body; 2. a base; 3. a liquid storage tank; 4. an air duct; 5. a fixing plate; 6. a drainage cavity; 7. a heat collecting pipe; 8. a screw; 9. a collar; 10. a connecting rod; 11. a movable ring; 12. cleaning the ferrule; 13. a drive chain; 14. a steering gear; 15. a bevel gear; 16. a drive motor; 17. a liquid discharge pipe; 18. a circulation conduit; 19. a water pump; 20. a filter box; 21. a filter screen; 22. a liquid discharge pipe; 23. an air outlet pipe; 24. a support pillar; 25. a slag discharge pipe; 26. a card slot; 27. and collecting the bin.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a steam boiler for efficiently recovering steam waste heat, which comprises a boiler body 1, wherein a base 2 is arranged at the bottom of the boiler body 1, a liquid storage tank 3 is arranged at one side, close to the boiler body 1, of the top of the base 2, a gas guide pipe 4 is fixedly connected between the boiler body 1 and the liquid storage tank 3, and a waste heat recovery mechanism is arranged inside the liquid storage tank 3;

the waste heat recovery mechanism comprises two fixing plates 5, the fixing plates 5 are fixedly connected with the inner wall of the liquid storage tank 3, the cross section of each fixing plate 5 is annular, a liquid guide cavity 6 is formed in each fixing plate 5, a heat collecting pipe 7 is arranged between each two fixing plates 5, each heat collecting pipe 7 penetrates through each fixing plate 5 and extends to the inside of each liquid guide cavity 6, the heat collecting pipes 7 are arranged in a plurality, the heat collecting pipes 7 are uniformly distributed on the inner wall of each liquid guide cavity 6 in an annular mode, the inner walls of the two liquid guide cavities 6 are respectively provided with a liquid inlet pipe 17 and a liquid outlet pipe 22, and the outer walls of the heat collecting pipes 7 are provided with cleaning assemblies;

the clearance subassembly includes screw rod 8, the quantity of screw rod 8 sets up to a plurality ofly, the lantern ring 9 has been cup jointed in the equal activity in 8 outer wall both sides of screw rod, two the lantern ring 9 is located the symmetry and is set up in relation to 8 axis of screw rod,

lantern ring

9 and 8 threaded connection of screw rod, 9 outer wall one side fixedly connected with connecting rod 10 of the lantern ring, it is a plurality of fixedly connected with loose ring 11 between the connecting rod 10, loose ring 11 is inside to be equipped with clearance lasso 12, the quantity of clearance lasso 12 sets up to a plurality ofly, clearance lasso 12 cup joints with the activity of thermal-collecting tube 7.

Further, in the above technical solution, the liquid inlet pipe 17 and the liquid outlet pipe 22 both penetrate through the fixing plate 5 and extend to one side of the outer wall of the liquid storage tank 3, a circulation conduit 18 is fixedly connected between the liquid inlet pipe 17 and the liquid outlet pipe 22, the circulation conduit 18, and a water pump 19 is arranged on the inner wall of the circulation conduit 18.

Further, in the above technical solution, a transmission chain 13 is connected between the plurality of screws 8 in a transmission manner, first bearings are disposed at the joints of the screws 8 and the two fixing plates 5, and the screws 8 are rotatably connected with the fixing plates 5 through the first bearings.

Further, in the above technical scheme, a steering gear 14 is fixedly connected to an outer wall of one of the screw rods 8, a bevel gear 15 is engaged with an outer wall of the steering gear 14, a driving motor 16 is arranged on one side of an outer wall of the liquid storage tank 3, an output shaft of the driving motor 16 penetrates through the liquid storage tank 3 and extends to one side of an inner wall of the liquid storage tank 3, and the bevel gear 15 corresponds to an output shaft of the driving motor 16.

Further, in the above technical scheme, a filter box 20 is arranged at the top of the liquid storage tank 3, a filter screen 21 is arranged inside the filter box 20, an air outlet pipe 23 is arranged at the top of the filter box 20, and an air outlet is arranged between the filter box 20 and the liquid storage tank 3.

Further, in above-mentioned technical scheme, 3 bottom fixedly connected with support columns 24 of liquid storage pot, 3 inner wall bottoms of liquid storage pot are equipped with

scum pipe

25, 2 top one sides of base are equipped with draw-in groove 26, the inside sliding connection of draw-in groove 26 has collection storehouse 27, collect storehouse 27 and be located scum pipe 25 under, air duct 4, feed liquor pipe 17, fluid-discharge tube 22 and scum pipe 25 are inside all to be equipped with the control valve.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the steam-water heat-absorption boiler is used, steam generated when the boiler body 1 works enters the liquid storage tank 3 through the air duct 4 under the action of air pressure, then the control valve in the liquid inlet pipe 17 is opened, cold water is introduced, the cold water is conducted into the heat collection pipes 7 through the liquid guide cavity 6 to be split, so that the water flow is divided into a plurality of strands to flow in the heat collection pipes 7, the cold water absorbs heat more uniformly due to the annular array distribution of the heat collection pipes 7, hot water flows out of the liquid discharge pipe 22 after being obtained, the water pump 19 is started through closing the control valve, so that the water in the heat collection pipes 7 is pumped out and continuously circulates through the circulation pipe 18, the heat collection pipes 7 absorb heat for a plurality of times, the heat absorption stroke of the water flow is increased, the heat absorption efficiency is improved, meanwhile, the driving motor 16 is started, and the output shaft of the driving motor 16 drives the bevel gear 15 to rotate, thereby, a steering gear 14 engaged with the outer wall of a bevel gear 15 drives a screw 8 to rotate, the screw 8 rotates and drives a plurality of screws 8 to rotate through the transmission effect of a transmission chain 13, so that two lantern rings 9 connected with the outer wall of the screw 8 in a threaded manner move up and down in opposite or opposite directions, the lantern rings 9 drive a plurality of cleaning rings 12 inside a movable ring 11 to clean the surface of the heat collecting tube 7, thereby realizing the purposes of cleaning dirt on the surface of the heat collecting tube 7 and improving the heat energy utilization rate, cleaned residues are discharged into a collecting bin 27 through a residue discharge pipe 25, thereby being convenient to clean the residues, meanwhile, steam enters the inside of a filter box 20 through an air outlet after being subjected to heat recycling, is discharged from an air outlet pipe 23 after being filtered through a filter screen 21, fully utilizes the steam of the boiler body 1, and achieves the effects of environmental protection and energy saving, saves energy and reduces cost.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a steam boiler of high-efficient recovery of steam waste heat, includes boiler body (1), its characterized in that: the boiler is characterized in that a base (2) is arranged at the bottom of the boiler body (1), a liquid storage tank (3) is arranged at one side, close to the boiler body (1), of the top of the base (2), an air guide pipe (4) is fixedly connected between the boiler body (1) and the liquid storage tank (3), and a waste heat recovery mechanism is arranged inside the liquid storage tank (3);

the waste heat recovery mechanism comprises fixing plates (5), the number of the fixing plates (5) is two, the fixing plates (5) are fixedly connected with the inner wall of the liquid storage tank (3), the cross section of each fixing plate (5) is annular, a liquid guide cavity (6) is formed in each fixing plate (5), heat collecting pipes (7) are arranged between the two fixing plates (5), the heat collecting pipes (7) penetrate through the fixing plates (5) and extend into the liquid guide cavities (6), the number of the heat collecting pipes (7) is multiple, the heat collecting pipes (7) are uniformly distributed on the inner wall of each liquid guide cavity (6) in an annular mode, liquid inlet pipes (17) and liquid outlet pipes (22) are arranged on the inner walls of the two liquid guide cavities (6) respectively, and cleaning assemblies are arranged on the outer walls of the heat collecting pipes (7);

the clearance subassembly includes screw rod (8), the quantity of screw rod (8) sets up to a plurality of, the equal activity in screw rod (8) outer wall both sides has cup jointed lantern ring (9), two lantern ring (9) are about screw rod (8) axis department symmetry setting, lantern ring (9) and screw rod (8) threaded connection, lantern ring (9) outer wall one side fixedly connected with connecting rod (10), a plurality of fixedly connected with loose ring (11) between connecting rod (10), loose ring (11) inside is equipped with clearance lasso (12), the quantity of clearance lasso (12) sets up to a plurality ofly, clearance lasso (12) cup joint with thermal-collecting tube (7) activity.

2. A steam boiler for efficient recovery of steam waste heat according to claim 1, characterized in that: the liquid inlet pipe (17) and the liquid discharge pipe (22) penetrate through the fixing plate (5) and extend to one side of the outer wall of the liquid storage tank (3), a circulating guide pipe (18) is fixedly connected between the liquid inlet pipe (17) and the liquid discharge pipe (22), and a water pump (19) is arranged on the inner wall of the circulating guide pipe (18).

3. A steam boiler for efficient recovery of steam waste heat according to claim 1, characterized in that: a plurality of transmission is connected with driving chain (13) between screw rod (8), screw rod (8) and two the fixed plate (5) junction all is equipped with first bearing, screw rod (8) are connected with fixed plate (5) rotation through first bearing.

4. A steam boiler for efficient recovery of steam waste heat according to claim 1, characterized in that: one the outer wall of the screw rod (8) is fixedly connected with a steering gear (14), the outer wall of the steering gear (14) is meshed with a bevel gear (15), one side of the outer wall of the liquid storage tank (3) is provided with a driving motor (16), an output shaft of the driving motor (16) penetrates through the liquid storage tank (3) and extends to one side of the inner wall of the liquid storage tank (3), and the bevel gear (15) corresponds to the output shaft of the driving motor (16).

5. A steam boiler for efficient recovery of steam waste heat according to claim 1, characterized in that: the top of the liquid storage tank (3) is provided with a filter box (20), a filter screen (21) is arranged inside the filter box (20), the top of the filter box (20) is provided with an air outlet pipe (23), and an air outlet is arranged between the filter box (20) and the liquid storage tank (3).

6. A steam boiler for efficient recovery of steam waste heat according to claim 1, characterized in that: liquid storage pot (3) bottom fixedly connected with support column (24), liquid storage pot (3) inner wall bottom is equipped with scum pipe (25), base (2) top one side is equipped with draw-in groove (26), draw-in groove (26) inside sliding connection has collection storehouse (27), it is located scum pipe (25) under to collect storehouse (27), air duct (4), feed liquor pipe (17), fluid-discharge tube (22) and scum pipe (25) inside all are equipped with the control valve.