Circulating fluidized bed boiler separator

Abstract

The utility model relates to a circulating fluidized bed boiler separator, and belongs to the technical field of separator installation. Comprising a cyclone separator body installed on a peripheral fixing frame, the upper portion of the cyclone separator body is provided with a horizontal flue and a gas outlet, a material returning device is installed on a discharging port in the bottom of the cyclone separator body, and the horizontal flue and a material returning pipe of the material returning device are connected to a circulating fluidized bed boiler. A flue front section reinforcing mechanism for reinforcing the horizontal flue is mounted on the outer wall of the circulating fluidized bed boiler, and a flue rear section reinforcing mechanism for reinforcing the horizontal flue is further mounted on the outer wall of the cyclone separator main body. The horizontal flue reinforcing device has the advantages that the horizontal flue can be effectively reinforced by additionally arranging the flue rear section reinforcing mechanism and the flue front section reinforcing mechanism, the horizontal flue is prevented from inclining due to the dead weight, and the overall stability of connection of the cyclone separator body, the horizontal flue and the circulating fluidized bed boiler is improved.

Description

Technical Field

[0001] The utility model relates to a circulating fluidized bed boiler separator, belonging to the technical field of separator installation. Background Art

[0002] Cyclone separators are one of the most commonly used separator types in circulating fluidized bed combustion technology. Based on their temperature and structure, they are categorized into high-temperature and medium-temperature separators, and can be air-cooled, water-cooled, or adiabatic. Cyclone separators primarily consist of a cylindrical cyclone barrel, a conical acceleration section, and an airflow outlet section.

[0003] The utility model with patent number 202322521836.3 discloses a circulating fluidized bed boiler with adjustable cyclone separation efficiency, including a circulating fluidized bed boiler furnace, the upper part of the circulating fluidized bed boiler furnace is connected to the cyclone separator inlet horizontal flue; it also includes a cyclone separator, the cyclone separator includes a cyclone separator cylinder, the lower part of the cyclone separator cylinder is connected to the cyclone separator cone section, the lower part of the cyclone separator cone section is connected to the cyclone separator riser, the lower part of the cyclone separator riser is connected to a return feeder, the return feeder is connected to the circulating fluidized bed boiler furnace through a pipeline, and the end of the cyclone separator inlet horizontal flue away from the circulating fluidized bed boiler furnace is connected to the cyclone separator cylinder; it also includes a spoiler device air supply system, the cyclone separator inlet horizontal flue is connected to the spoiler, and the spoiler device air supply system is connected to the spoiler.

[0004] The current technical considerations are not comprehensive and have the following disadvantages: 1. The horizontal flue is suspended and lacks a stable support mechanism; 2. The traditional support frame cannot support the inclined pipe; 3. The support height cannot be adjusted.

[0005] In order to solve one of the above problems, a circulating fluidized bed boiler separator is urgently needed. Utility Model Content

[0006] In view of the above deficiencies in the existing technology, the technical problem to be solved by the present invention is: how to achieve effective reinforcement of the horizontal flue by adding a flue rear section reinforcement mechanism and a flue front section reinforcement mechanism, avoid the horizontal flue from tilting due to its own weight, and improve the overall stability of the connection between the cyclone separator body, the horizontal flue, and the circulating fluidized bed boiler. For this purpose, a circulating fluidized bed boiler separator is provided.

[0007] The circulating fluidized bed boiler separator of the present invention comprises a cyclone separator body mounted on a peripheral fixing frame, the upper portion of the cyclone separator body is provided with a horizontal flue and a gas outlet, a return device is mounted on the discharge port at the bottom of the cyclone separator body, the horizontal flue and the return pipe of the return device are respectively connected to the circulating fluidized bed boiler, and is characterized in that: a flue front section reinforcement mechanism for reinforcing the horizontal flue is mounted on the outer wall of the circulating fluidized bed boiler, and a A flue rear section reinforcement mechanism for reinforcing a horizontal flue, the flue rear section reinforcement mechanism comprising a support rod hinge seat and an oblique support hinge seat fixed on the outer wall of the cyclone separator body, the support rod hinge seat being above the oblique support hinge seat, the support rod hinge seat and the oblique support hinge seat being hinged with a support rod and an oblique support rod respectively, the top end of the oblique support rod being hinged to the middle part of the support rod, a plurality of groups of lower connecting rods being arranged at intervals along the length direction of the support rod, a plurality of groups of pipe clamps A corresponding one to one to the lower connecting rods being detachably installed on the horizontal flue.

[0008] The addition of rear and front flue reinforcement mechanisms effectively reinforces the horizontal flue, preventing it from tilting due to its own weight and improving the overall stability of the connection between the cyclone separator, the horizontal flue, and the circulating fluidized bed boiler. The cyclone separator, support rods, and diagonal braces form a stable triangular layout, preventing the rear flue reinforcement from tilting during use and enhancing the support structure.

[0009] Preferably, the lower connecting rod comprises an upper screw connected to the pipe clamp A and a lower screw connected to the support rod. The other ends of the upper and lower screws are threadedly connected to the internally threaded pipe, and the external threads of the upper and lower screws have opposite rotation directions. By rotating the internally threaded pipe, the insertion depth of the upper and lower screws within the internally threaded pipe can be adjusted, thereby changing the overall length of the lower connecting rod, facilitating connection with the pipe clamp A. The pipe clamp A is a conventional structure, consisting of two sets of matching clamp units.

[0010] Preferably, the diagonal support rod is a telescopic rod with adjustable length. The diagonal support rods of different lengths can be replaced or adjusted as needed, thereby adjusting the flip angle of the support rod to always keep it parallel to the horizontal flue.

[0011] Preferably, the support rod hinge seat is detachably mounted on the outer wall of the cyclone separator body through a connecting bolt A on the outer wall of the cyclone separator body.

[0012] Preferably, the front-end flue reinforcement mechanism includes a cantilever hinge seat and an oblique-stay hinge seat fixed to the outer wall of the circulating fluidized bed boiler. The cantilever hinge seat is located below the oblique-stay hinge seat. A cantilever and an oblique-stay are hingedly connected to the cantilever hinge seat and the upper portion, respectively. The bottom end of the oblique-stay is hinged to the middle of the cantilever. Multiple sets of upper connecting rods are spaced apart along the length of the cantilever. Multiple sets of pipe clamps B corresponding to the upper connecting rods are detachably mounted on the horizontal flue. The circulating fluidized bed boiler, cantilever, and oblique-stay form a stable triangular layout, preventing the rear-end flue reinforcement mechanism from tilting during use and enhancing the support effect of the reinforcement structure.

[0013] Preferably, the upper connecting rod and the lower connecting rod have the same structure.

[0014] Preferably, the tank body of the cyclone separator main body includes an upper cylinder and a lower cylinder, and the upper cylinder and the lower cylinder are connected by a detachable part.

[0015] Preferably, the utility model further comprises a vibrator, which is arranged on the outer side of the bottom of the cyclone separator body and is suitable for vibrating the outer wall of the cyclone separator body to separate the materials adhering to the cyclone separator body. Compared with the prior art, the utility model has the following beneficial effects:

[0016] The circulating fluidized bed boiler separator described in the utility model can effectively reinforce the horizontal flue by adding a flue rear section reinforcement mechanism and a flue front section reinforcement mechanism, thereby avoiding the horizontal flue from tilting due to its own weight and improving the overall stability of the connection between the cyclone separator body, the horizontal flue and the circulating fluidized bed boiler.

[0017] The circulating fluidized bed boiler separator of the utility model comprises a cyclone separator body, a supporting rod and an oblique support rod forming a stable triangular layout, which avoids tilting of the flue rear section reinforcement mechanism when in use, thereby improving the support effect of the reinforcement structure.

[0018] The circulating fluidized bed boiler separator described in the utility model can adjust the depth of the upper screw and the lower screw inserted into the internal threaded tube by rotating the internal threaded tube, thereby changing the total length of the lower connecting rod, facilitating connection with the pipe clamp A, and being able to adjust the support height.

[0019] The circulating fluidized bed boiler separator described in the utility model can replace the diagonal support rods of different lengths or adjust the length of the diagonal support rods as needed, thereby adjusting the flip angle of the support rods to always keep them parallel to the horizontal flue and support the inclined pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the external structure of the flue rear section reinforcement mechanism of the present invention;

[0023] Figure 3 This is a schematic diagram of the external structure of the lower connecting rod of the utility model;

[0024] Figure 4 This is a schematic diagram of the external structure of the flue front section reinforcement mechanism of the present invention;

[0025] In the figure: 1. Cyclone separator body 2. Horizontal flue 3. Return feeder 4. Gas outlet 5. Flue front section reinforcement mechanism 5.1. Hanger rod hinge seat 5.2. Oblique support hinge seat 5.3. Hanger rod 5.4. Oblique support rod 5.5. Upper connecting rod 5.6. Pipe clamp B 6. Peripheral fixing frame 7. Flue rear section reinforcement mechanism 7.1. Support rod hinge seat 7.2. Oblique support hinge seat 7.3. Support rod 7.4. Oblique support rod 7.5. Lower connecting rod 7.6. Pipe clamp A 8. Circulating fluidized bed boiler 9. Internally threaded pipe 10. Upper screw 11. Lower screw 12. Connecting bolt A 13. Vibrator DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings: The present invention will be further illustrated below through specific embodiments, but it is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0027] Example 1, as Figure 1-2As shown, the circulating fluidized bed boiler separator comprises a cyclone separator body 1 mounted on a peripheral fixing frame 6, the upper portion of the cyclone separator body 1 having a horizontal flue 2 and a gas outlet 4, a return device 3 being mounted on the discharge port at the bottom of the cyclone separator body 1, the return pipes of the horizontal flue 2 and the return device 3 being respectively connected to a circulating fluidized bed boiler 8, a flue front section reinforcement mechanism 5 for reinforcing the horizontal flue 2 being mounted on the outer wall of the circulating fluidized bed boiler 8, and a flue rear section reinforcement mechanism 7 for reinforcing the horizontal flue 2 being further mounted on the outer wall of the cyclone separator body 1, The flue rear section reinforcement mechanism 7 includes a support rod hinge seat 7.1 and an oblique support hinge seat 7.2 fixed to the outer wall of the cyclone separator body 1. The support rod hinge seat 7.1 is above the oblique support hinge seat 7.2. A support rod 7.3 and an oblique support rod 7.4 are hinged on the support rod hinge seat 7.1 and the oblique support hinge seat 7.2, respectively. The top of the oblique support rod 7.4 is hinged to the middle of the support rod 7.3. A plurality of groups of lower connecting rods 7.5 are arranged at intervals along the length direction of the support rod 7.3. A plurality of groups of pipe clamps A7.6 corresponding to the lower connecting rods 7.5 are detachably installed on the horizontal flue 2.

[0028] The addition of flue rear section reinforcement mechanism 7 and flue front section reinforcement mechanism 5 effectively reinforces horizontal flue 2, preventing it from tilting due to its own weight and improving the overall stability of the connection between cyclone separator body 1, horizontal flue 2, and circulating fluidized bed boiler 8. The cyclone separator body 1, support rods 7.3, and diagonal braces 7.4 form a stable triangular layout, preventing tilting of flue rear section reinforcement mechanism 7 during use and enhancing the support effectiveness of the reinforcement structure.

[0029] Example 2, as Figure 1-4As shown, the circulating fluidized bed boiler separator comprises a cyclone separator body 1 mounted on a peripheral fixing frame 6, the upper portion of the cyclone separator body 1 having a horizontal flue 2 and a gas outlet 4, a return device 3 being mounted on the discharge port at the bottom of the cyclone separator body 1, the return pipes of the horizontal flue 2 and the return device 3 being respectively connected to a circulating fluidized bed boiler 8, a flue front section reinforcement mechanism 5 for reinforcing the horizontal flue 2 being mounted on the outer wall of the circulating fluidized bed boiler 8, and a flue rear section reinforcement mechanism 7 for reinforcing the horizontal flue 2 being further mounted on the outer wall of the cyclone separator body 1, The flue rear section reinforcement mechanism 7 includes a support rod hinge seat 7.1 and an oblique support hinge seat 7.2 fixed to the outer wall of the cyclone separator body 1. The support rod hinge seat 7.1 is above the oblique support hinge seat 7.2. A support rod 7.3 and an oblique support rod 7.4 are hinged on the support rod hinge seat 7.1 and the oblique support hinge seat 7.2, respectively. The top of the oblique support rod 7.4 is hinged to the middle of the support rod 7.3. A plurality of groups of lower connecting rods 7.5 are arranged at intervals along the length direction of the support rod 7.3. A plurality of groups of pipe clamps A7.6 corresponding to the lower connecting rods 7.5 are detachably installed on the horizontal flue 2.

[0030] Furthermore, the lower connecting rod 7.5 comprises an upper screw rod 10 connected to the pipe clamp A7.6 and a lower screw rod 11 connected to the support rod 7.3. The other ends of the upper and lower screw rods 10 and 11 are threadedly connected to the internally threaded tube 9, and the external threads of the upper and lower screw rods 10 and 11 are threaded in opposite directions. By rotating the internally threaded tube 9, the insertion depth of the upper and lower screw rods 10 and 11 within the internally threaded tube 9 can be adjusted, thereby changing the overall length of the lower connecting rod 7.5 and facilitating connection with the pipe clamp A7.6. The pipe clamp A7.6 has a conventional structure, consisting of two sets of cooperating clamp units.

[0031] Furthermore, the diagonal support rod 7.4 is a telescopic rod with adjustable length. The diagonal support rod 7.4 of different lengths can be replaced or adjusted as needed, thereby adjusting the tilting angle of the support rod 7.3 to always keep it parallel to the horizontal flue 2.

[0032] Furthermore, the support rod hinge seat 7.1 is detachably mounted on the outer wall of the cyclone separator body 1 via a connecting bolt A12 on the outer wall of the cyclone separator body 1.

[0033] Furthermore, the flue front section reinforcement mechanism 5 includes a cantilever hinge seat 5.1 and a diagonal hinge seat 5.2 fixed to the outer wall of the circulating fluidized bed boiler 8. The cantilever hinge seat 5.1 is located below the diagonal hinge seat 5.2. A cantilever 5.3 and a diagonal tie rod 5.4 are hingedly connected to the cantilever hinge seat 5.1 and above, respectively. The bottom end of the diagonal tie rod 5.4 is hinged to the middle of the cantilever 5.3. Multiple sets of upper connecting rods 5.5 are spaced along the length of the cantilever 5.3. Multiple sets of pipe clamps B5.6 corresponding to the upper connecting rods 5.5 are detachably mounted on the horizontal flue 2. The circulating fluidized bed boiler 8, the cantilever 5.3, and the diagonal tie rods 5.4 form a stable triangular layout, preventing the flue rear section reinforcement mechanism 7 from tilting during use and enhancing the support effect of the reinforcement structure.

[0034] Furthermore, the upper connecting rod 5.5 and the lower connecting rod 7.5 have the same structure.

[0035] Furthermore, the tank body of the cyclone separator main body 1 includes an upper cylinder and a lower cylinder, and the upper cylinder and the lower cylinder are connected by a detachable part.

[0036] Furthermore, it also includes a rapper 13, which is arranged on the outside of the bottom of the cyclone separator body 1 and is suitable for rapping the outer wall of the cyclone separator body to separate the materials adhering to the cyclone separator body.

[0037] The circulating fluidized bed boiler separator described in the utility model can effectively reinforce the horizontal flue by adding a flue rear section reinforcement mechanism and a flue front section reinforcement mechanism, thereby avoiding the horizontal flue from tilting due to its own weight and improving the overall stability of the connection between the cyclone separator body, the horizontal flue and the circulating fluidized bed boiler.

[0038] The circulating fluidized bed boiler separator of the utility model comprises a cyclone separator body, a supporting rod and an oblique support rod forming a stable triangular layout, which avoids tilting of the flue rear section reinforcement mechanism when in use, thereby improving the support effect of the reinforcement structure.

[0039] The circulating fluidized bed boiler separator of the utility model can adjust the depth of the upper screw and the lower screw inserted into the internal threaded tube by rotating the internal threaded tube, thereby changing the total length of the lower connecting rod, which is convenient for connection with the pipe clamp A.

[0040] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

[0041] Any matters not described in detail in the present invention are well-known technologies to those skilled in the art.

Claims

1. A circulating fluidized bed boiler separator, comprising a cyclone separator body mounted on a peripheral fixing frame, the upper portion of the cyclone separator body having a horizontal flue and a gas outlet, a return feeder mounted on the discharge port at the bottom of the cyclone separator body, the horizontal flue and the return feeder's return pipes respectively connected to the circulating fluidized bed boiler, characterized in that: A flue front section reinforcement mechanism for reinforcing the horizontal flue is installed on the outer wall of the circulating fluidized bed boiler, and a flue rear section reinforcement mechanism for reinforcing the horizontal flue is also installed on the outer wall of the cyclone separator body. The flue rear section reinforcement mechanism includes a support rod hinge seat and an oblique support hinge seat fixed on the outer wall of the cyclone separator body. The support rod hinge seat is above the oblique support hinge seat. A support rod and an oblique support rod are hinged on the support rod hinge seat and the oblique support hinge seat, respectively. The top of the oblique support rod is hinged to the middle part of the support rod, and multiple groups of lower connecting rods are arranged at intervals along the length direction of the support rod. Multiple groups of pipe clamps A corresponding to the lower connecting rods are detachably installed on the horizontal flue.

2. The circulating fluidized bed boiler separator according to claim 1, characterized in that: The lower connecting rod includes an upper screw connected to the pipe clamp A and a lower screw connected to the support rod. The other ends of the upper screw and the lower screw are both threadedly connected to the internal threaded pipe, and the external threads of the upper screw and the lower screw have opposite rotation directions.

3. The circulating fluidized bed boiler separator according to claim 2, characterized in that: The diagonal support rod is a telescopic rod with adjustable length.

4. The circulating fluidized bed boiler separator according to claim 3, characterized in that: The support rod hinge seat is detachably mounted on the outer wall of the cyclone separator body through the connecting bolts A on the outer wall of the cyclone separator body.

5. The circulating fluidized bed boiler separator according to claim 4, characterized in that: The front section reinforcement mechanism of the flue includes a hanger hinge seat and an oblique hinge seat fixed on the outer wall of the circulating fluidized bed boiler. The hanger hinge seat is located below the oblique hinge seat. The hanger hinge seat and the upper portion are hinged with a hanger and an oblique rod respectively. The bottom end of the oblique rod is hinged to the middle part of the hanger. A plurality of groups of upper connecting rods are arranged at intervals along the length direction of the hanger. A plurality of groups of pipe clamps B corresponding to the upper connecting rods are detachably installed on the horizontal flue.

6. The circulating fluidized bed boiler separator according to claim 5, characterized in that: The upper connecting rod and the lower connecting rod have the same structure.

7. The circulating fluidized bed boiler separator according to claim 6, characterized in that: The tank body of the cyclone separator main body includes an upper cylinder and a lower cylinder, and the upper cylinder and the lower cylinder are connected by a detachable part.

8. The circulating fluidized bed boiler separator according to claim 7, characterized in that: It also includes a vibrator, which is arranged on the outside of the bottom of the cyclone separator body and is suitable for vibrating the outer wall of the cyclone separator body to separate the materials adhered to the cyclone separator body.

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