CN219160334U

CN219160334U - Biomass circulating fluidized bed boiler

Info

Publication number: CN219160334U
Application number: CN202223403738.1U
Authority: CN
Inventors: 刘文喜; 许悦悦; 徐长领; 孟越; 宁运
Original assignee: Shandong Dingxin Energy Engineering Co ltd
Current assignee: Shandong Dingxin Energy Engineering Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-09
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a biomass circulating fluidized bed boiler, which relates to the technical field of circulating fluidized bed boilers and comprises a boiler body, wherein one side of the boiler body is fixedly connected with a first connecting flue, one end of the first connecting flue is fixedly connected with a separator, one end of the separator is fixedly connected with a second connecting flue, one side of the second connecting flue is fixedly connected with a U-shaped flue, the bottom of the U-shaped flue is provided with a slag leakage port, the inside of the U-shaped flue is provided with two corresponding side plates, the bottom of the U-shaped flue is in threaded connection with a slag collecting hopper, one side of the U-shaped flue is provided with a mounting groove, the inside of the mounting groove is rotationally connected with a filter plate, and one side of the mounting groove is fixedly provided with two corresponding electric telescopic rods, and the biomass circulating fluidized bed boiler has the beneficial effects that: the dust and impurities attached to the upper side of the side plate are shaken off and fall into the slag collecting hopper from the slag leakage port, so that workers can conveniently treat the dust, and the safety of the boiler during operation is improved.

Description

Biomass circulating fluidized bed boiler

Technical Field

The utility model relates to the technical field of circulating fluidized bed boilers, in particular to a biomass circulating fluidized bed boiler.

Background

The biomass circulating fluidized bed boiler is called CFB boiler for short. Circulating fluidized bed CFB combustion technology has unique advantages that are not comparable to other combustion technologies in terms of alternative fuels, treatment of various waste materials, and environmental protection.

At present, along with the increase of parameters and evaporation capacity of a biomass circulating fluidized bed boiler, the appearance of the boiler is gradually increased, more heating surfaces are required to be arranged at the tail part, for this purpose, a U-shaped tube flue is changed at the tail part, tail heating surfaces such as an economizer, an air preheater and the like are arranged, the flue gas flows upwards at 180 degrees, a large amount of dust and impurities in the flue gas can be accumulated in the flue during the operation process, the cleaning is difficult, and the safe and stable operation of the boiler can be influenced over time.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a biomass circulating fluidized bed boiler, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a living beings circulating fluidized bed boiler, includes the furnace body, one side fixedly connected with first connection flue of furnace body, the one end fixedly connected with separator of first connection flue, the one end fixedly connected with second connection flue of separator, one side fixedly connected with U type flue of second connection flue, the slag leakage mouth has been seted up to the bottom of U type flue, the inside of U type flue is provided with two curb plates that correspond, the bottom threaded connection of U type flue has a slag hopper, the mounting groove has been seted up to one side of U type flue inside, the inside rotation of mounting groove is connected with the filter, one side fixed mounting of mounting groove has two electric telescopic handle that correspond, one side fixed mounting of filter has two connecting blocks that correspond, the output rotation of electric telescopic handle is connected in the inside of connecting block, the pressure release mouth has been seted up at the top of furnace body flue, the top fixedly connected with pressure release of furnace body, the other end of pressure release extends to the inside of U type flue, the inside rotation that just is located the pressure release board.

Preferably, a pressure detector is arranged in the furnace body, so that the internal pressure of the furnace body during operation can be monitored at any time.

Preferably, the inside of U type flue is provided with two corresponding vibrations poles, the vibrations pole is connected with the bottom of curb plate, shakes dust and impurity above the curb plate through the vibrations of vibrations pole and falls.

Preferably, the pressure relief plate is matched with the pressure relief opening, and the pressure relief plate can cover the pressure relief opening when the pressure is not large.

Preferably, two groups of connecting plates are fixedly arranged on the outer sides of the U-shaped flue and the slag collecting hopper, the connecting plates are in threaded connection through fixing bolts, and the slag collecting hopper is fixed with the U-shaped flue through threaded connection on the two groups of connecting plates.

Preferably, a feeding hole is formed in one side of the furnace body, and materials are conveniently placed into the furnace body through the feeding hole.

Preferably, the top fixedly connected with feed back pipe of separator, the other end of feed back pipe extends to the inside of furnace body, will be blown up by the flue gas and carry out the combustion of returning to the stove by the not burnt material.

The utility model provides a biomass circulating fluidized bed boiler, which has the following beneficial effects:

1. this living beings circulating fluidized bed boiler, through filtration and ash removal mechanism that sets up in U type flue, when biomass circulating fluidized bed boiler uses, after the flue gas got into U type flue, start electric telescopic handle and stretch out forward and push out the filter under rotating spacing, make the filter block dust and impurity in the flue gas, make the dust fall into on the curb plate that U type flue bottom set up, at start vibrations pole vibrations, shake the dust impurity that curb plate top was attached off, fall into in receiving the sediment fill from leaking the cinder notch, the staff handles the dust after making things convenient for the operation, safety when greatly increased boiler operation.

2. This living beings circulating fluidized bed boiler, through relief mechanism, when the filter filters the inside flue gas of U type flue, can hinder the release of a certain amount of flue gas, thereby can make the inside pressure increase of furnace body, there is the danger of frying in the time of pressure is too big, through the relief mechanism that increases at the furnace body top, the flue gas can jack-up the relief plate when the inside pressure of furnace body is too big, directly with the flue gas in discharging the pressure release flue through the relief mouth, in the U type pipe flue of discharging into again, the inside pressure of furnace body can be detected constantly to the pressure detector that sets up of furnace body simultaneously, remove when the pressure and filter and prevent to fry in the time of greatly increasing the safety when the furnace body moves.

Drawings

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

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of a filter mechanism of the present utility model;

fig. 4 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a furnace body; 2. a first connecting flue; 3. a pressure release flue; 4. a separator; 5. a second connecting flue; 6. u-shaped flue; 7. a connecting plate; 8. a slag collecting hopper; 9. a feed back pipe; 10. a feed inlet; 11. a mounting groove; 12. a filter plate; 13. a side plate; 14. an electric telescopic rod; 15. a connecting block; 16. a slag leakage port; 17. a vibrating rod; 18. a pressure detector; 19. a pressure relief port; 20. and a pressure release plate.

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.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a living beings circulating fluidized bed boiler, including furnace body 1, one side fixedly connected with first connecting flue 2 of furnace body 1, the one end fixedly connected with separator 4 of first connecting flue 2, the one end fixedly connected with second connecting flue 5 of separator 4, one side fixedly connected with U type flue 6 of second connecting flue 5, slag leakage mouth 16 has been seted up to the bottom of U type flue 6, the inside of U type flue 6 is provided with two curb plates 13 that correspond, install mounting groove 11 has been seted up to one side of the 8,U type flue 6 of receipts sediment fill in the bottom threaded connection of U type flue 6, the inside rotation of mounting groove 11 is connected with filter 12, one side fixed mounting of mounting groove 11 has two electric telescopic handle 14 that correspond, one side fixed mounting of filter 12 has two connecting blocks 15 that correspond, the output of electric telescopic handle 14 rotates the inside of connecting block 15, the pressure release mouth 19 has been seted up at the top of furnace body 1, the top fixedly connected with pressure release 3 of furnace body, the other end of pressure release 3 extends to the inside of U type flue 6, the inside of furnace body 1 just be located the inside rotation of flue 3 is connected with 20 and can not cover pressure release mouth 20 with pressure release mouth 20 when pressure release mouth 20 is big, pressure release mouth 20 can not be covered.

The inside of furnace body 1 is provided with pressure detector 18, the internal pressure when can monitor furnace body 1 operation constantly, the inside of U type flue 6 is provided with two corresponding vibrations poles 17, vibrations pole 17 are connected with the bottom of curb plate 13, shake the dust and the impurity of curb plate 13 top off through the vibrations of vibrations pole 17, the outside fixed mounting of U type flue 6 and receipts sediment fill 8 has two sets of connecting plates 7, connecting plate 7 passes through fixing bolt threaded connection, threaded connection on through two sets of connecting plates 7, will receive sediment fill 8 and U type flue 6 are fixed, feed inlet 10 has been seted up to one side of furnace body 1, conveniently put into furnace body 1 inside through feed inlet 10, the top fixedly connected with feed back pipe 9 of separator 4, the other end of feed back pipe 9 extends to the inside of furnace body 1, will be blown by the flue gas and not fully combusted the material carries out the combustion of returning through feed back pipe 9.

To sum up, this living beings circulating fluidized bed boiler, when using, at first, the staff is put into the furnace body 1 inside with the material through feed inlet 10, burn, when living beings circulating fluidized bed boiler uses, after the flue gas got into U type flue 6, start electric telescopic handle 14 forward and stretch out filter 12 release under rotation spacing, make filter 12 block dust and impurity in the flue gas, make the dust fall into on the curb plate 13 that U type flue 6 bottom set up, shake at start vibrations pole 17, shake the attached dust impurity in curb plate 13 top, fall into in receipts sediment fill 8 from leaking sediment mouth 16, make things convenient for the back staff to handle the dust, greatly increase the safety when boiler operation, when the flue gas of filter 12 to U type flue 6 filters, can hinder the release of a certain amount of flue gas, thereby can make the inside pressure increase of furnace body 1, there is the danger of frying in the time of pressure too big, through the pressure release mechanism that increases at furnace body 1 top, can jack up plate 20 when the inside pressure is too big, directly will be discharged into through mouth 19 in the interior pressure release mechanism of furnace body 1, when detecting the inside pressure release mechanism that the inside the furnace body 1 is detected, when the pressure is detected in the time of the inside pressure release mechanism is greatly, when the pressure release mechanism is detected in the inside the flue 1 is detected, when the inside the pressure release mechanism is detected in the flue gas is greatly increased, when the pressure is detected in the flue 1 is detected, and the time when the inside is filtered, and the pressure in the flue 1 is greatly inside is filtered.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Biomass circulating fluidized bed boiler, including furnace body (1), its characterized in that: one side fixedly connected with first connecting flue (2) of furnace body (1), one end fixedly connected with separator (4) of first connecting flue (2), one end fixedly connected with second connecting flue (5) of separator (4), one side fixedly connected with U type flue (6) of second connecting flue (5), slag leakage mouth (16) have been seted up to the bottom of U type flue (6), the inside of U type flue (6) is provided with two curb plates (13) that correspond, the bottom threaded connection of U type flue (6) has a receipts sediment fill (8), mounting groove (11) have been seted up to one side of U type flue (6) inside, the inside rotation of mounting groove (11) is connected with filter (12), one side fixed mounting of mounting groove (11) has two electric telescopic handle (14) that correspond, one side fixed mounting of filter (12) has two electric telescopic handle (15), the output of electric telescopic handle (14) rotates and is connected to the inside of connecting block (15), the inside of U type flue (6) is connected with pressure release (3) of connecting block (1), the inside of connecting block (3) is connected to the inside of connecting block (1), the top of furnace body (1) and be located the inside rotation of pressure release flue (3) and be connected with pressure release board (20).

2. A biomass circulating fluidized bed boiler according to claim 1, wherein: a pressure detector (18) is arranged in the furnace body (1).

3. A biomass circulating fluidized bed boiler according to claim 1, wherein: two corresponding vibrating rods (17) are arranged in the U-shaped flue (6), and the vibrating rods (17) are matched with the side plates (13).

4. A biomass circulating fluidized bed boiler according to claim 1, wherein: the pressure relief plate (20) is matched with the pressure relief opening (19).

5. A biomass circulating fluidized bed boiler according to claim 1, wherein: two groups of connecting plates (7) are fixedly arranged on the outer sides of the U-shaped flue (6) and the slag collecting hopper (8), and the connecting plates (7) are in threaded connection through fixing bolts.

6. A biomass circulating fluidized bed boiler according to claim 1, wherein: a feed inlet (10) is formed in one side of the furnace body (1).

7. A biomass circulating fluidized bed boiler according to claim 1, wherein: the top of separator (4) fixedly connected with feed back pipe (9), the other end of feed back pipe (9) extends to the inside of furnace body (1).