CN219036615U

CN219036615U - Circulating fluidized bed boiler waste heat utilization device

Info

Publication number: CN219036615U
Application number: CN202223292471.3U
Authority: CN
Inventors: 刘凯; 陈光辉; 朱凯; 王栓
Original assignee: Xuetian Salt Group Co ltd
Current assignee: Xuetian Salt Group Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-16
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of circulating fluidized bed boilers, in particular to a circulating fluidized bed boiler waste heat utilization device, which comprises the following technical scheme: the waste residue box, waste residue box top fixed mounting has the lid, the fan body is installed in lid top trompil and intercommunication, the front fluting of lid and activity cartridge have first baffle, the inside fixed mounting of waste residue box has the pipeline body, the bin outlet has been seted up to waste residue box front bottom, the front fluting of waste residue box of bin outlet top and activity cartridge have the second baffle. The utility model solves the problem of reduced heat conduction performance of the radiating pipe caused by long-term accumulation of waste residues.

Description

Circulating fluidized bed boiler waste heat utilization device

Technical Field

The utility model relates to the technical field of circulating fluidized bed boilers, in particular to a circulating fluidized bed boiler waste heat utilization device.

Background

The circulating fluidized bed boiler adopts clean coal combustion technology with highest industrialization degree. The circulating fluidized bed boiler adopts fluidized combustion, and the main structure comprises a combustion chamber and a circulating furnace.

Chinese utility model patent: the utility model discloses a publication number is CN212029485U, this discloses a circulating fluidized bed boiler waste residue waste heat utilization device, including the waste residue case, the waste residue case divide into by the centre to both sides and is three cavity in material chamber, air inlet chamber and waste heat recovery chamber, and all separates mutually through the baffle between two liang of cavitys, the upper end of waste residue case is provided with and is the placing port that is linked together of material intracavity portion, the interior bottom wall that is the material chamber is fixed to be provided with a plurality of risers. This kind of circulating fluidized bed boiler waste residue waste heat utilization device enters into the waste heat recovery chamber along the through-hole through the steam that will be the intracavity along with it, discharges to the blast pipe along the cooling tube, at this in-process, because the body of cooling tube is the reciprocal structure of buckling of U font, has prolonged the contact time of the intraductal steam of cooling tube and water, further promotes heat recovery utilization ratio, and the temperature rises this moment, and excessive hot water is discharged along the outlet pipe, and along with the entering of inlet tube interior cold water, realizes the continuous recovery of waste residue waste heat.

In the prior art, CN212029485U residues generated by a circulating fluidized bed boiler remain in a residue tank of an existing device when in use, after the residues cool and lose heat, the residues remain in the residue tank to be cleaned more difficult, and long-term accumulated residues are coated on a radiating pipe, so that the heat conduction performance of the radiating pipe is easily reduced, and therefore, a circulating fluidized bed boiler waste heat utilization device is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a circulating fluidized bed boiler waste heat utilization device which has the advantage of being convenient for cleaning residual waste residues, and solves the problem of reduced heat conduction performance of a radiating pipe caused by long-term accumulation of the waste residues.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circulating fluidized bed boiler waste heat utilization device, includes the waste residue case, waste residue case top fixed mounting has the lid, the fan body is installed in lid top trompil and intercommunication, the positive fluting of lid and activity cartridge have first baffle, waste residue incasement portion fixed mounting has the pipeline body, the bin outlet has been seted up to waste residue case positive bottom, the waste residue case positive fluting of bin outlet top and activity cartridge have the second baffle.

When the circulating fluidized bed boiler waste heat utilization device in the technical scheme is used, the pipeline body is arranged in the waste slag box, the water inlet pipe and the water outlet pipe are respectively connected and installed at the two ends of the pipeline body, meanwhile, the feeding channel is connected and installed at the back of the waste slag box, so that waste slag generated by the circulating fluidized bed boiler can enter the waste slag box through the feeding channel, the sealing cover on the air outlet pipe is opened when material injection is carried out, thereby facilitating the injection of waste slag, simultaneously, the first partition plate and the second partition plate are inserted on the waste slag box before the injection of waste slag, at this time, the heat conduction is carried out on the water in the pipeline body through the self heat of the waste slag, thereby realizing the preheating utilization of the circulating fluidized bed boiler, monitoring the internal temperature of the waste slag box in real time through the temperature measuring device body, and when the temperature is reduced and is difficult to meet the use, the first partition plate and the second partition plate are pulled out, and the fan body is opened, so that residual waste slag attached to the surface of the pipeline body is blown away, and the waste slag is discharged from the discharge outlet.

Preferably, the support frames are fixedly installed below two sides of the outer wall of the waste residue box respectively, the top of the front side of the waste residue box is provided with a hole and communicated with an exhaust pipe, the upper side of the back side of the waste residue box is provided with a hole and communicated with a feeding channel, the heat insulation layer is embedded in the waste residue box, and the outer wall of one side of the waste residue box is provided with a hole and embedded with a temperature measuring device body.

Preferably, the cover body adopts a conical structure design, and a second filter plate and a first filter plate are respectively and fixedly arranged in the waste residue box below the cover body from top to bottom.

Preferably, the mesh aperture on the second filter plate is smaller than the mesh aperture on the first filter plate, and the feeding channel is communicated with the back of the waste residue box arranged below the first filter plate.

Preferably, the front end of the first partition board is fixedly provided with a pull handle, and the front end of the first partition board protrudes out of the front end of the outer wall of the cover body.

Preferably, the pipeline body top intercommunication is installed the inlet tube, and the inlet tube front end passes waste residue case openly and fixed mounting has the ring flange, and pipeline body bottom intercommunication is installed the drain pipe, and the drain pipe front end passes waste residue case openly and fixed mounting has the ring flange.

Preferably, limiting frames are respectively arranged on two sides of the second partition board in the waste residue box, and the outer sides of the limiting frames are fixedly connected with the inner wall of the waste residue box.

Preferably, the sealing cover is arranged on the top of the exhaust pipe in a threaded manner, and the top of the exhaust pipe and the outer wall of the front surface of the waste residue box form an included angle of forty-five degrees.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the waste residue box is arranged, and the fan body is arranged on the cover body at the top of the waste residue box, so that the high-pressure air blown out by the fan body blows away the residual waste residue attached to the pipeline body, and meanwhile, the vertically arranged waste residue box can facilitate the discharge of the waste residue through the discharge port, and then, when the waste residue box is used, the fan body works to realize the rapid discharge of the waste residue, and the effect of conveniently cleaning the residual waste residue is achieved.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is a right side view of the present utility model.

In the figure: 1. a support frame; 2. a waste residue tank; 3. a heat preservation layer; 4. a limiting frame; 5. a pipeline body; 6. a feed channel; 7. a first filter plate; 8. a second filter plate; 9. a fan body; 10. a cover body; 11. a first separator; 12. a temperature measuring device body; 13. a second separator; 14. a discharge port; 15. a drain pipe; 16. a water inlet pipe; 17. and an exhaust pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1, 2 and 3, one embodiment of the present utility model provides: the utility model provides a circulating fluidized bed boiler waste heat utilization device, includes waste residue case 2, and waste residue case 2 outer wall both sides below fixed mounting has support frame 1 respectively, and waste residue case 2 openly top trompil and intercommunication are installed blast pipe 17, and sealed lid is installed to blast pipe 17 top screw thread, and blast pipe 17 top is forty-five degrees contained angles with waste residue case 2 openly outer wall. The upper part of the back of the waste residue box 2 is provided with a hole and is communicated with a feeding channel 6, the heat insulation layer 3 is embedded and installed in the waste residue box 2, and the outer wall of one side of the waste residue box 2 is provided with a hole and is embedded and installed with a temperature measuring device body 12. The top of the waste residue box 2 is fixedly provided with a cover body 10, the cover body 10 adopts a conical structural design, and the interior of the waste residue box 2 below the cover body 10 is fixedly provided with a second filter plate 8 and a first filter plate 7 from top to bottom respectively. The mesh aperture of the second filter plate 8 is smaller than that of the first filter plate 7, and the feeding channel 6 is communicated with the back of the waste residue tank 2 arranged below the first filter plate 7. The top of the cover body 10 is provided with a hole and is communicated with the fan body 9. Through setting up waste residue case 2 to install fan body 9 on the lid 10 at waste residue case 2 top, thereby the high-pressure air that blows off through fan body 9 will adhere to the residual waste residue on pipeline body 5 and blow away, simultaneously, thereby waste residue case 2 of vertical installation can make things convenient for the waste residue discharge gate 14 to discharge, then when using, realizes the quick discharge of waste residue through fan body 9 work, and has reached the effect of conveniently clearing up residual waste residue.

The front of the cover body 10 is slotted and is movably inserted with a first baffle plate 11, a pull handle is fixedly arranged at the front end of the first baffle plate 11, and the front end of the first baffle plate 11 protrudes out of the front end of the outer wall of the cover body 10. The inside fixed mounting of waste residue case 2 has pipeline body 5, and pipeline body 5 top intercommunication is installed inlet tube 16, and inlet tube 16 front end passes waste residue case 2 openly and fixed mounting has the ring flange, and pipeline body 5 bottom intercommunication is installed drain pipe 15, and drain pipe 15 front end passes waste residue case 2 openly and fixed mounting has the ring flange. The bottom end of the front surface of the waste residue box 2 is provided with a discharge hole 14, and the front surface of the waste residue box 2 above the discharge hole 14 is grooved and is movably inserted with a second baffle 13. And two sides of a second partition plate 13 in the waste residue box 2 are respectively provided with a limiting frame 4, and the outer side of the limiting frame 4 is fixedly connected with the inner wall of the waste residue box 2.

When the circulating fluidized bed boiler is used, the pipeline body 5 is arranged in the waste slag box 2, the two ends of the pipeline body 5 are respectively communicated with the water inlet pipe 16 and the water outlet pipe 15, meanwhile, the back surface of the waste slag box 2 is communicated with the feed channel 6, so that waste slag generated by the circulating fluidized bed boiler can enter the waste slag box 2 through the feed channel 6, and when the material is injected, the sealing cover on the exhaust pipe 17 is opened, so that the injection of the waste slag is convenient, meanwhile, the first partition plate 11 and the second partition plate 13 are inserted on the waste slag box 2 before the injection of the waste slag, at the moment, the heat conduction of the water in the pipeline body 5 is carried out through the self heat of the waste slag, thereby realizing the preheating utilization of the circulating fluidized bed boiler, and the internal temperature of the waste slag box 2 is monitored in real time through the temperature measuring device body 12, and when the temperature is reduced and the use is difficult, the first partition plate 11 and the second partition plate 13 are extracted, and the fan body 9 is started, so that the residual waste slag adhered on the surface of the pipeline body 5 is blown away, and the waste slag is discharged from the discharge port 14.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a circulating fluidized bed boiler waste heat utilization device, includes waste residue case (2), its characterized in that: the utility model discloses a waste residue box, including waste residue box (2), lid (10), fan body (9) are installed in trompil of lid (10) top and intercommunication, first baffle (11) are openly fluted and movable cartridge to lid (10), waste residue box (2) inside fixed mounting has pipeline body (5), bin outlet (14) have been seted up to waste residue box (2) openly bottom, bin outlet (14) top waste residue box (2) openly fluted and movable cartridge has second baffle (13).

2. The circulating fluidized bed boiler waste heat utilization device according to claim 1, wherein: the waste residue box (2) is characterized in that supporting frames (1) are fixedly installed below two sides of the outer wall of the waste residue box (2), the top of the front face of the waste residue box (2) is provided with holes and communicated with an exhaust pipe (17), the upper part of the back face of the waste residue box (2) is provided with holes and communicated with a feeding channel (6), a heat preservation layer (3) is embedded in the waste residue box (2), and a temperature measuring device body (12) is embedded in the holes and embedded in the outer wall of one side of the waste residue box (2).

3. The circulating fluidized bed boiler waste heat utilization device according to claim 1, wherein: the cover body (10) adopts a conical structural design, and a second filter plate (8) and a first filter plate (7) are respectively and fixedly arranged in the waste residue box (2) below the cover body (10) from top to bottom.

4. A circulating fluidized bed boiler waste heat utilization apparatus according to claim 3, wherein: the mesh aperture of the second filter plate (8) is smaller than that of the first filter plate (7), and the feeding channel (6) is communicated with the back of the waste residue box (2) arranged below the first filter plate (7).

5. The circulating fluidized bed boiler waste heat utilization device according to claim 1, wherein: the front end of the first partition board (11) is fixedly provided with a pull handle, and the front end of the first partition board (11) protrudes out of the front end of the outer wall of the cover body (10).

6. The circulating fluidized bed boiler waste heat utilization device according to claim 1, wherein: the utility model discloses a waste residue box, including pipeline body (5), waste residue box (2), inlet tube (16) are installed in pipeline body (5) top intercommunication, and inlet tube (16) front end passes waste residue box (2) front and fixed mounting have the ring flange, and drain pipe (15) are installed in pipeline body (5) bottom intercommunication, and drain pipe (15) front end passes waste residue box (2) front and fixed mounting have the ring flange.

7. The circulating fluidized bed boiler waste heat utilization device according to claim 1, wherein: and limiting frames (4) are respectively arranged on two sides of a second partition plate (13) in the waste residue box (2), and the outer sides of the limiting frames (4) are fixedly connected with the inner wall of the waste residue box (2).

8. The circulating fluidized bed boiler waste heat utilization apparatus of claim 2, wherein: the top of the exhaust pipe (17) is provided with a sealing cover in a threaded manner, and the top of the exhaust pipe (17) and the outer wall of the front surface of the waste residue box (2) form an included angle of forty-five degrees.