CN211119301U

CN211119301U - Internal inspection device for steam boiler

Info

Publication number: CN211119301U
Application number: CN201922137502.XU
Authority: CN
Inventors: 马胜军
Original assignee: Harbin Jinxin Power Station Equipment Manufacturing Co ltd
Current assignee: Harbin Jinxin Power Station Equipment Manufacturing Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-28
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an inside inspection device for steam boiler, including boiler inner bag body and inspection device top cap, boiler inner bag body top is provided with the inspection device top cap, the inboard bottom of boiler inner bag body is provided with the baffle, and is provided with the blowoff valve bottom the boiler inner bag body, boiler inner bag body left side is provided with the side pipe, and the top and the bottom of side pipe all are connected with boiler inner bag body inner wall, are provided with the level gauge in the side pipe simultaneously, boiler inner bag body right side upper end is provided with the water inlet, the inspection device top cap is connected with boiler inner bag body top through the bolt, and is provided with the screw rod bottom the inspection device top cap. The utility model discloses, be convenient for drive fixed disk and brush hair through screw rod cooperation sliding sleeve and rotate when carrying out vertical motion to in time clear up the inner wall of boiler inner bag body, improved the safety in utilization.

Description

Internal inspection device for steam boiler

Technical Field

The utility model relates to a steam boiler correlation technique field specifically is an inside inspection device for steam boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after the conversion of the boiler, hot water or steam generated in the boiler can directly provide heat energy required for industrial production and people life, and can also be converted into mechanical energy through a steam power device or converted into electric energy through a generator, the boiler for providing hot water is called as a hot water boiler and is mainly used for life, and a small amount of application is also realized in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.

And lack in the steam boiler inner bag that uses at present and in time examine cleaning device, can influence the heat transfer ability of inner bag when the inner bag inner wall deposits excessive incrustation scale to reduce heat conversion efficiency, have inconvenience when using.

To this end, an internal inspection device for a steam boiler is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside inspection device for steam boiler is convenient for drive fixed disk and brush hair through screw rod cooperation sliding sleeve and rotates when carrying out vertical motion to in time clear up the inner wall of boiler inner bag body, improved the safety in utilization, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an internal inspection device for a steam boiler comprises a boiler liner body and an inspection device top cover, wherein the inspection device top cover is arranged at the top of the boiler liner body;

A partition plate is arranged at the bottom of the inner side of the boiler liner body, a drain valve is arranged at the bottom of the boiler liner body, a side pipe is arranged at the left side of the boiler liner body, the top and the bottom of the side pipe are both connected with the inner wall of the boiler liner body, a liquid level meter is arranged in the side pipe, and a water inlet is arranged at the upper end of the right side of the boiler liner body;

The utility model discloses an inspection device, including inspection device top cap, baffle top, screw rod, sliding sleeve, air inlet, air outlet, air inlet valve, air outlet valve, inspection device top cap, floating disc, air outlet valve, inspection device top cap bottom is connected with boiler inner bag body top through the bolt, and inspection device top cap bottom is provided with the screw rod, and the screw rod bottom is connected with the baffle top simultaneously, and the sliding sleeve setting is in the middle of the fixed disk, be provided with the floating disc in the fixed disk, and the fixed disk outside is provided with the brush hair, inspection device top cap surface lower extreme is provided with sealed rubber.

When this internal water injection that begins of boiler inner bag, hollow floating plate begins the rebound under the buoyancy effect of water, and rebound's sliding sleeve can drive fixed disk and brush hair and begin to rotate along the screw rod is synchronous, the incrustation scale of preliminary formation is in time cleared up on the in-process that the pivoted brush hair was removed boiler inner bag body inner wall, and when the water level descends, the fixed disk can descend naturally under the effect of self gravity, constantly clear up the inner wall of boiler inner bag body, and the safety in utilization has effectively been improved.

Preferably, the axis of baffle and the axis of screw rod are on same vertical straight line, and the connected mode of baffle and screw rod is connected for the inserted, and the surface of baffle is the grid structure simultaneously.

The grid structure on the surface of the partition plate ensures that the cleaned water scale naturally falls to the lower part of the partition plate under the action of gravity, so that the water scale is conveniently and quickly discharged through the drain valve during subsequent sewage draining, and the use convenience is improved.

Preferably, the surface of screw rod is helicitic texture, and screw rod and sliding sleeve constitute elevation structure, and the axis of screw rod and the axis of fixed disk are on same vertical straight line simultaneously.

Through threaded connection, make the sliding sleeve can follow the screw rod and rotate in step when reciprocating to promote the clearance effect of brush hair to boiler inner bag body inner wall, improve the practicality.

Preferably, fixed disk, sliding sleeve, floating plate and brush hair all are provided with 2, and are the grid structure between floating plate and the sliding sleeve.

The grid structure between floating disc and the sliding sleeve is convenient for water to pass through the fixed disc, and two fixed discs and the brush hair can improve cleaning efficiency, and use convenience is improved.

Preferably, the floating disc in the fixed disc is hollow, and the length of the bristles on the outer side of the fixed disc is larger than the distance between the outer wall of the fixed disc and the inner wall of the boiler liner body.

The floating disc with the hollow structure can move up and down along with the liquid level under the action of the buoyancy of water, the inner wall of the boiler inner container body can be cleaned without external force, and the use convenience is improved.

Preferably, the top of the bottom of the air inlet is of a grid structure, and the vertical section of the air inlet is of an annular structure.

The grid structure on the surface of the air inlet is convenient for the steam generated in the boiler liner body to be smoothly discharged, and meanwhile, the excessive boiling water drops are prevented from entering the air inlet, so that the use safety is improved

Preferably, the top of the exhaust port is of a grid structure, and the exhaust port is connected with the fan in a rotating mode.

When steam enters the exhaust port through the air inlet and is discharged from the top of the exhaust port, the air flow can drive the fan to rotate, the rotating fan is convenient for assisting the air flow to keep stable, and the practicability is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model has the advantages that the boiler liner body is connected with the top cover of the inspection device through the bolt, and the whole boiler liner has higher disassembly and assembly convenience when internal inspection is carried out, thereby improving the whole practicability;

2. The utility model discloses, through hollow floating disc begin to move up under the buoyancy of water, and the sliding sleeve that moves up can drive fixed disk and brush hair and begin to rotate along the screw rod is synchronous, the incrustation scale that preliminary formation on boiler inner bag body inner wall is cleared up in time to the in-process that moves to the pivoted brush hair, and when the water level descends, the fixed disk can descend naturally under the effect of self gravity, constantly clears up the inner wall of boiler inner bag body, has effectively improved the safety in utilization;

3. The utility model discloses, when steam entered into the gas vent through the air inlet and discharged through the gas vent top, the air current can drive the fan and rotate, and the pivoted fan is convenient for assist air current remain stable, has improved the practicality.

Drawings

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

FIG. 2 is a schematic front cross-sectional view of the present invention;

Fig. 3 is a schematic top view of the present invention;

Fig. 4 is a schematic view of the vertical cross-section structure of the present invention.

In the figure: 1. a boiler inner container body; 2. a partition plate; 3. a blowoff valve; 4. a side tube; 5. a liquid level meter; 6. A water inlet; 7. inspecting the device top cover; 8. a bolt; 9. a screw; 10. a sliding sleeve; 11. fixing the disc; 12. A floating plate; 13. brushing; 14. sealing the rubber ring; 15. an air inlet; 16. an exhaust port; 17. a fan; 18. An intake valve.

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. 1-4, the present invention provides a technical solution: an internal inspection device for a steam boiler, as shown in fig. 1 and 2, comprises a boiler inner container body 1 and an inspection device top cover 7, wherein the top of the boiler inner container body 1 is provided with the inspection device top cover 7;

As shown in fig. 1 and 2, a partition plate 2 is arranged at the bottom of the inner side of a boiler liner body 1, a blowoff valve 3 is arranged at the bottom of the boiler liner body 1, a side pipe 4 is arranged at the left side of the boiler liner body 1, the top and the bottom of the side pipe 4 are both connected with the inner wall of the boiler liner body 1, a liquid level meter 5 is arranged in the side pipe 4, and a water inlet 6 is arranged at the upper end of the right side of the boiler liner body 1;

As shown in fig. 3 and 4, the inspection device top cover 7 is connected with the top of the boiler inner container body 1 through a bolt 8, and the bottom of the inspection device top cover 7 is provided with a screw 9, meanwhile, the bottom of the screw 9 is connected with the top of the clapboard 2, the screw 9 is connected with the sliding sleeve 10, the sliding sleeve 10 is arranged in the middle of the fixed disk 11, the floating disk 12 is arranged in the fixed disk 11, and the outer side of the fixed disc 11 is provided with brush hairs 13, the lower end of the surface of the top cover 7 of the inspection device is provided with a sealing rubber ring 14, and the sealing rubber ring 14 is connected with the upper end of the inner wall of the boiler liner body 1, the bottom of the top cover 7 of the inspection device is provided with an air inlet 15, and the air inlet 15 penetrates through the top cover 7 of the inspection device and is connected with the air outlet 16, the air outlet 16 is arranged at the top of the top cover 7 of the inspection device, a fan 17 is provided in the inspection device top cover 7, an air intake valve 18 is provided on the left side of the exhaust port 16, and the air intake valve 18 is provided on the top of the inspection device top cover 7.

Through adopting above-mentioned scheme, when beginning the water injection in boiler inner bag body 1, hollow floating disc 12 begins the rebound under the buoyancy effect of water, and rebound's sliding sleeve 10 can drive fixed disk 11 and brush hair 13 and begin to rotate along screw rod 9 is synchronous, pivoted brush hair 13 in the in-process that removes in time clears up the incrustation scale of preliminary formation on boiler inner bag body 1 inner wall, and when the water level descends, fixed disk 11 can descend naturally under the effect of self gravity, constantly clear up boiler inner bag body 1's inner wall, the safety in utilization has effectively been improved.

Specifically, as shown in fig. 1 and 2, the central axis of the partition board 2 and the central axis of the screw 9 are on the same vertical straight line, the partition board 2 and the screw 9 are connected in an embedded manner, and the surface of the partition board 2 is in a grid structure.

Through adopting above-mentioned scheme, the grid structure on baffle 2 surface ensures that the incrustation scale after the clearance falls to baffle 2 below naturally under the effect of gravity, is convenient for during subsequent blowdown, discharges through blowoff valve 3 fast, when using the device, has improved the use convenience.

Specifically, as shown in fig. 1 and 2, the surface of the screw 9 is a threaded structure, the screw 9 and the sliding sleeve 10 form a lifting structure, and the central axis of the screw 9 and the central axis of the fixed disk 11 are on the same vertical line.

Through adopting above-mentioned scheme, through threaded connection, make sliding sleeve 10 can follow screw rod 9 and rotate in step when reciprocating to promote the clearance effect of brush hair 13 to 1 inner wall of boiler inner bag body, when using the device, improve the practicality.

Specifically, as shown in fig. 1, 2 and 4, 2 fixed disks 11, sliding sleeves 10, floating disks 12 and bristles 13 are provided, and a grid structure is formed between the floating disks 12 and the sliding sleeves 10.

By adopting the scheme, the grid structure between the floating disc 12 and the sliding sleeve 10 is convenient for water to pass through the fixed disc 11, the two fixed discs 11 and the bristles 13 can improve the cleaning efficiency, and the use convenience is improved when the device is used.

Specifically, as shown in fig. 2 and 4, the floating plate 12 inside the fixed plate 11 has a hollow structure, and the length of the bristles 13 outside the fixed plate 11 is greater than the distance between the outer wall of the fixed plate 11 and the inner wall of the boiler liner body 1.

Through adopting above-mentioned scheme, through hollow structure's floating plate 12 under the buoyancy of water, make fixed disk 11 can follow the liquid level and reciprocate in step, need not to clear up the inner wall of boiler inner bag body 1 with the help of external force can be accomplished, when using the device, has improved the use convenience.

Specifically, as shown in fig. 1 and 2, the top of the bottom of the air inlet 15 is in a grid structure, and the vertical section of the air inlet 15 is in a ring structure.

Through adopting above-mentioned scheme, the grid structure on air inlet 15 surface is convenient for the steam of the inside production of boiler inner bag body 1 to discharge smoothly, avoids the drop of water of boiling to excessively enter into air inlet 15 inside simultaneously, when using the device, has improved the safety in utilization

Specifically, as shown in fig. 2 and 3, the top of the air outlet 16 is a grid structure, and the air outlet 16 is connected to the fan 17 in a rotating manner.

Through adopting above-mentioned scheme, enter into gas vent 16 through air inlet 15 when steam to when discharging through gas vent 16 tops, the air current can drive fan 17 and rotate, and pivoted fan 17 is convenient for supplementary air current and remains stable, when using the device, has improved the practicality.

The working principle is as follows: before use, firstly, a water inlet 6 is connected with an external water inlet pipeline, a blowoff valve 3 is connected with an external drainage pipeline, an exhaust port 16 is connected with a steam recovery pipeline, when water enters the boiler liner body 1 through the water inlet 6, along with the gradual rise of the liquid level, a floating disc 12 ensures that a fixed disc 11 can be always kept at the top of the liquid level, a sliding sleeve 10 can drive the fixed disc 11 and bristles 13 to synchronously start rotating in the process of moving along a screw rod 9, the rotating bristles 13 continuously clean the inner wall of the boiler liner body 1 passing through, when scale falling naturally during cleaning, the scale falling can penetrate through a grid structure of a partition plate 2 and fall to the bottom of the boiler liner body 1, when the water in the boiler liner body 1 starts to boil, generated steam continuously enters the exhaust port 16 through an air inlet 15 and enters the steam recovery pipeline through the exhaust port 16, the air current can drive fan 17 and begin to rotate, the auxiliary steam air current of pivoted fan 17 remains stable, improve steam exhaust's efficiency, cooperation admission valve 18 then prevents effectively that 1 inside atmospheric pressure of boiler inner bag body from crossing low, switch on external power source, start level gauge 5, level gauge 5 through in the side pipe 4 can the water storage capacity in the boiler inner bag body 1 of real time monitoring, when using the end, when blowoff valve 3 discharges the water in the boiler inner bag body 1, liquid level synchronous decline can be followed to fixed disk 11, and cooperate brush hair 13 to clear up boiler inner bag body 1's inner wall simultaneously, the incrustation scale that produces after the clearance is followed rivers together can through 3 discharges of blowoff valve, wherein the model of level gauge 5 is: UDX-43, has just so accomplished the use of this steam boiler's internal inspection device, the electrical property technique that the utility model relates to is prior art.

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. An internal inspection device for a steam boiler, characterized in that: the boiler inner container comprises a boiler inner container body (1) and an inspection device top cover (7), wherein the inspection device top cover (7) is arranged at the top of the boiler inner container body (1);

A partition plate (2) is arranged at the bottom of the inner side of the boiler liner body (1), a blow-down valve (3) is arranged at the bottom of the boiler liner body (1), a side pipe (4) is arranged on the left side of the boiler liner body (1), the top and the bottom of the side pipe (4) are both connected with the inner wall of the boiler liner body (1), a liquid level meter (5) is arranged in the side pipe (4), and a water inlet (6) is arranged at the upper end of the right side of the boiler liner body (1);

The inspection device top cover (7) is connected with the top of the boiler liner body (1) through a bolt (8), a screw rod (9) is arranged at the bottom of the inspection device top cover (7), meanwhile, the bottom of the screw rod (9) is connected with the top of the partition plate (2), the screw rod (9) is connected with a sliding sleeve (10), the sliding sleeve (10) is arranged in the middle of a fixed disc (11), a floating disc (12) is arranged in the fixed disc (11), bristles (13) are arranged on the outer side of the fixed disc (11), a sealing rubber ring (14) is arranged at the lower end of the surface of the inspection device top cover (7), the sealing rubber ring (14) is connected with the upper end of the inner wall of the boiler liner body (1), an air inlet (15) is arranged at the bottom of the inspection device top cover (7), the air inlet (15) penetrates through the inspection device top cover (7) to be connected with an air outlet (16, and a fan (17) is arranged in the top cover (7) of the inspection device, an air inlet valve (18) is arranged on the left side of the exhaust port (16), and the air inlet valve (18) is arranged at the top of the top cover (7) of the inspection device.

2. An internal inspection apparatus for a steam boiler according to claim 1, wherein: the axis of baffle (2) is on same vertical straight line with the axis of screw rod (9), and the connected mode of baffle (2) and screw rod (9) is connected for the inserted, and the surface of baffle (2) is the grid structure simultaneously.

3. An internal inspection apparatus for a steam boiler according to claim 1, wherein: the surface of screw rod (9) is helicitic texture, and screw rod (9) and sliding sleeve (10) constitute elevation structure, and the axis of screw rod (9) and the axis of fixed disk (11) are on same vertical line simultaneously.

4. An internal inspection apparatus for a steam boiler according to claim 1, wherein: the fixed disc (11), the sliding sleeve (10), the floating disc (12) and the bristles (13) are all provided with 2, and a grid structure is formed between the floating disc (12) and the sliding sleeve (10).

5. An internal inspection apparatus for a steam boiler according to claim 1, wherein: the inside of the floating disc (12) in the fixed disc (11) is of a hollow structure, and the length of the bristles (13) on the outer side of the fixed disc (11) is larger than the distance between the outer wall of the fixed disc (11) and the inner wall of the boiler liner body (1).

6. An internal inspection apparatus for a steam boiler according to claim 1, wherein: the top of the bottom of the air inlet (15) is of a grid structure, and the vertical section of the air inlet (15) is of an annular structure.

7. An internal inspection apparatus for a steam boiler according to claim 1, wherein: the top of the exhaust port (16) is of a grid structure, and the exhaust port (16) is connected with the fan (17) in a rotating mode.