CN219194890U - Filter material heating device for movable granular bed dust remover - Google Patents
Filter material heating device for movable granular bed dust remover Download PDFInfo
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- CN219194890U CN219194890U CN202320318486.8U CN202320318486U CN219194890U CN 219194890 U CN219194890 U CN 219194890U CN 202320318486 U CN202320318486 U CN 202320318486U CN 219194890 U CN219194890 U CN 219194890U
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Abstract
The utility model relates to the technical field of filter material heating of a movable particle bed dust remover, in particular to a filter material heating device for a movable particle bed dust remover. The top surface of the heating device cylinder is connected with a filter material inlet pipeline, the lower end of the filter material inlet pipeline stretches into the heating device cylinder, a spent flue gas outlet pipeline is arranged above the lower end of the filter material inlet pipeline, the side wall of the heating device cylinder is connected with a hot flue gas inlet pipeline, and the lower ends of the hot flue gas inlet pipeline and the hot flue gas inlet pipeline are arranged below the filter material inlet pipeline; the filter material and the high-temperature flue gas flow in opposite directions in the utility model are in contact, the contact area of the filter material and the air flow distribution pipe which are in conical distribution is increased, the heat exchange efficiency is improved, the filter material is heated and warmed up better, meanwhile, the structure design is reasonable, the use is reliable, the operation is simple, the maintenance is convenient, and the problems of low heat exchange efficiency, low heat utilization rate and slow temperature rise of the filter material of the heating section of the movable particle bed dust remover are well solved.
Description
Technical Field
The utility model relates to the technical field of filter material heating of a movable particle bed dust remover, in particular to a filter material heating device for a movable particle bed dust remover.
Background
The movable particle bed dust remover is a main device for removing dust in high-temperature raw gas in the coal carbonization production process, and the movable particle bed dust remover needs to continuously add filter materials to ensure the dust removing effect of the raw gas. The filter material heating device is key equipment for heating the filter material in the movable particle bed dust remover, and in the operation process of the movable particle bed dust remover, the filter material must be heated to more than 400 ℃, because the initial boiling point of tar is 350 ℃, the filter material is heated to more than 400 ℃, the coagulation of tar in raw gas is prevented, and accidents such as filter material hardening are caused. The industrial device of the movable particle bed dust remover in the prior art has the problems that the filter material of the movable particle bed dust remover is slowly heated in the heat load test process, the filter material is heated to more than 400 ℃ in the driving process and needs about 30 hours, the temperature of the filter material is low, the resistance of a heating section is large, the nitrogen content in dry distillation gas is high, the heat value of the dry distillation gas is low, and the like, so that the normal production is seriously influenced. The cause of the above problems is mainly the following as analyzed:
(1) The heat exchange mode of the hot flue gas and the filter material in the heating device of the movable particle bed dust remover is concurrent heat exchange, so that the heat exchange efficiency is low, and the heat utilization rate is low;
(2) The ventilation flue gas fan is not configured, and hot flue gas cannot be effectively led into the heating section, so that the temperature of a filter material in the heating section is slowly heated;
(3) The hot flue gas directly enters the raw gas pipeline, so that the nitrogen content in the dry distillation gas is high and reaches about 40% at most, and the heat value of the dry distillation gas is low.
Disclosure of Invention
The utility model aims to provide a filter material heating device for a mobile particle bed dust remover, which solves the problems of low heat exchange efficiency, low heat utilization rate, slow temperature rise of filter materials, high nitrogen content in dry distillation gas and low heat value of the dry distillation gas in the heating section of the mobile particle bed dust remover in the prior art.
The utility model relates to a filter material heating device for a movable particle bed dust remover, which comprises a heating device cylinder, wherein a filter material inlet pipeline is connected to the top surface of the heating device cylinder, the lower end of the filter material inlet pipeline stretches into the heating device cylinder, a spent flue gas outlet pipeline is connected to the side wall of the heating device cylinder, the spent flue gas outlet pipeline is arranged above the lower end of the filter material inlet pipeline, a hot flue gas inlet pipeline is connected to the side wall of the heating device cylinder, the lower end of the hot flue gas inlet pipeline stretches into the heating device cylinder, the lower end of the flue gas inlet pipeline is arranged at the lower part of the heating device cylinder, and the lower ends of the hot flue gas inlet pipeline and the hot flue gas inlet pipeline are both arranged below the filter material inlet pipeline.
The filter material enters the heating device cylinder through the filter material inlet pipeline, the filter material is in conical distribution when being discharged from the lower end of the filter material inlet pipeline, the exhaust gas outlet pipeline is arranged above the lower end of the filter material inlet pipeline, no filter material is arranged near the exhaust gas outlet pipeline, the filter material is prevented from being sucked out by the exhaust gas fan, high-temperature hot flue gas enters the heating device cylinder through the hot gas inlet pipeline, enters the heating device cylinder from the lower end of the hot gas inlet pipeline, contacts the filter material in the heating device cylinder, finally is discharged out of the heating device cylinder through the exhaust gas outlet pipeline, the lower end of the flue gas inlet pipeline is arranged at the lower part of the heating device cylinder, and the lower ends of the hot gas inlet pipeline and the hot gas inlet pipeline are respectively arranged below the filter material inlet pipeline, so that the filter material which is in conical distribution is in flowing contact with the filter material in the opposite direction of the filter material inlet pipeline is formed, the contact area of the filter material and the high-temperature hot flue gas is increased, the heat exchange efficiency is improved, and the filter material is heated better.
Further, the hot flue gas inlet pipeline include horizontal pipe, lower riser and circular arc pipe, lower riser establishes in last horizontal pipe below, circular arc union coupling is last horizontal pipe and lower riser between, lower riser is perpendicular with last horizontal pipe, go up horizontal pipe and run through heating device barrel lateral wall, lower riser and circular arc pipe are all established inside the heating device barrel, lower riser lower extreme is the end of giving vent to anger, go up horizontal pipe and establish the one end outside the heating device barrel and be the inlet end.
Because the medium passing through the hot flue gas inlet pipeline is the hot flue gas, certain thermal expansion can be generated during use, the arrangement of the circular arc pipe provides deformation buffering for the thermal expansion, and the hot flue gas inlet pipeline is torn or severely deformed during mode use.
Further, be connected with the air current distribution pipe on the lower riser outer wall, the air current distribution pipe downward sloping sets up, air current distribution pipe upper end and lower riser intercommunication, the air current distribution pipe lower extreme is the end of giving vent to anger, the air current distribution pipe is equipped with a plurality ofly, a plurality of air current distribution pipes are the central circumference equipartition of riser axis below.
The arrangement of the airflow distribution pipes enables the high-temperature hot flue gas to be uniformly distributed around, so that the filter material is heated more uniformly.
Further, the heating device barrel inner wall on be connected with the support of weighing, the support of weighing is equipped with two, two supports horizontal direction parallel arrangement of weighing, lower riser connection is between two supports of weighing, lower riser outer wall upper portion is connected with the trunnion, the trunnion is equipped with two, two trunnions symmetry, two trunnions are propped on two supports top surfaces of weighing respectively, two supports of weighing are equipped with the clearance with lower riser outer wall between.
The trunnion is welded with the outer wall of the lower vertical pipe generally, meanwhile, the trunnion is connected to the top surfaces of the two weighing supports in a supporting mode, and when the hot flue gas inlet pipeline generates thermal expansion, the trunnion and the weighing supports are connected in a mode of coping with displacement generated by the thermal expansion, and meanwhile, the support can be well provided.
Further, the lower part of the heating device cylinder body is provided with a guide ring, a plurality of limit supports are arranged between the outer wall of the guide ring and the inner wall of the heating device cylinder body, the limit supports are uniformly distributed by taking the axis of the guide ring as the center circumference, the lower end of the lower vertical pipe is inserted into the guide ring, and a gap is arranged between the outer wall of the lower vertical pipe and the inner wall of the guide ring.
The lower vertical pipe can be freely expanded in the axial direction due to the arrangement of the guide ring, and meanwhile, the air flow distribution pipe is prevented from horizontally displacing, so that the air flow distribution pipe is protected.
Further, the upper transverse tube air inlet end be connected with connecting tube, the one end that connecting tube kept away from the upper transverse tube is connected with the hot gas stove of low oxygen, is connected with hot flue gas entry control valve on the connecting tube, is connected with hot flue gas on the connecting tube and diffuses the pipe, is connected with hot flue gas on the hot flue gas and diffuses the control valve, is connected with oxygen detector on the connecting tube, oxygen detector establishes on the connecting tube between hot flue gas diffusion pipe and the hot gas stove of low oxygen.
The low-oxygen hot flue gas furnace can generate high-temperature hot flue gas and is connected with a hot flue gas inlet pipeline through a connecting pipeline, a hot flue gas inlet control valve is used for controlling the on-off of the high-temperature hot flue gas, an oxygen detector is used for detecting the oxygen content in the high-temperature hot flue gas, a hot flue gas discharging pipe is used for discharging the high-temperature hot flue gas, and a hot flue gas discharging control valve is used for controlling the on-off of the hot flue gas discharging pipe.
Further, the exhaust gas outlet pipeline on be connected with the exhaust gas fan, exhaust gas fan inlet end and exhaust gas outlet pipeline intercommunication, exhaust gas fan end of giving vent to anger is connected with the exhaust gas and diffuses the pipe, is equipped with the flame arrester on the exhaust gas diffuses the pipe.
The exhaust gas fan is used for pumping high-temperature hot smoke out of the heating device cylinder and discharging the high-temperature hot smoke through the exhaust gas diffusing pipe, and the flame arrester prevents the high Wen Fa smoke exhausted from deflagrating.
Further, the exhaust gas fan is a negative pressure variable frequency fan.
The beneficial effects of the utility model are as follows: the top surface of the heating device cylinder is connected with a filter material inlet pipeline, the lower end of the filter material inlet pipeline stretches into the heating device cylinder, a spent flue gas outlet pipeline is arranged above the lower end of the filter material inlet pipeline, the side wall of the heating device cylinder is connected with a hot flue gas inlet pipeline, the lower end of the hot flue gas inlet pipeline stretches into the heating device cylinder, the lower end of the flue gas inlet pipeline is arranged at the lower part of the heating device cylinder, and the lower ends of the hot flue gas inlet pipeline and the hot flue gas inlet pipeline are both arranged below the filter material inlet pipeline; the filter material and the high-temperature flue gas flow in opposite directions in the utility model are in flow contact, the contact area of the filter material and the air flow distribution pipe which are in conical distribution is increased, the heat exchange efficiency is improved, the filter material is heated and warmed up better, meanwhile, the structure design is reasonable, the use is reliable, the operation is simple, the maintenance is convenient, and the problems that the heat exchange efficiency of the heating section of the movable particle bed dust remover is low, the heat utilization rate is low, the temperature of the filter material is raised slowly, the nitrogen content in the dry distillation gas is high, and the heat value of the dry distillation gas is low are well solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a cross-sectional view B-B of FIG. 2 in accordance with the present utility model;
FIG. 4 is a cross-sectional view B-B of FIG. 3 in accordance with the present utility model;
FIG. 5 is a schematic view of the structure of the spacing support and guide ring of the present utility model;
FIG. 6 is a schematic view of the structure of the air flow distributing pipe of the present utility model;
FIG. 7 is a schematic diagram of the low oxygen hot flue gas furnace and its connecting pipes according to the present utility model;
FIG. 8 is a schematic diagram of a spent flue gas fan and its connecting piping according to the present utility model.
In the figure: 1. a heating device cylinder; 2. a filter material inlet pipe; 3. a spent flue gas outlet pipe; 4. a hot flue gas inlet duct; 401. an upper transverse tube; 402. a lower riser; 403. a circular arc tube; 5. weighing and supporting; 6. a trunnion; 7. an air flow distribution pipe; 8. limiting and supporting; 9. a guide ring; 10. a connecting pipe; 11. a hot flue gas inlet control valve; 12. a low oxygen hot flue gas furnace; 13. an oxygen detector; 14. a hot flue gas diffusing pipe; 15. a hot flue gas emission control valve; a spent flue gas fan; 17. a flame arrester; 18. spent flue gas diffusing pipe.
Detailed Description
As shown in fig. 1-8, the filter material heating device for the mobile particle bed dust remover comprises a heating device cylinder 1, wherein a filter material inlet pipeline 2 is connected to the top surface of the heating device cylinder 1, the lower end of the filter material inlet pipeline 2 stretches into the heating device cylinder 1, a spent flue gas outlet pipeline 3 is connected to the side wall of the heating device cylinder 1, the spent flue gas outlet pipeline 3 is arranged above the lower end of the filter material inlet pipeline 2, a hot flue gas inlet pipeline 4 is connected to the side wall of the heating device cylinder 1, the lower end of the hot flue gas inlet pipeline 4 stretches into the heating device cylinder 1, the lower end of the flue gas inlet pipeline 4 is arranged at the lower part of the heating device cylinder 1, and the lower ends of the hot flue gas inlet pipeline 4 and the hot flue gas inlet pipeline 4 are both arranged below the filter material inlet pipeline 2; the hot flue gas inlet pipeline 4 comprises an upper transverse pipe 401, a lower vertical pipe 402 and an arc pipe 403, wherein the lower vertical pipe 402 is arranged below the upper transverse pipe 401, the arc pipe 403 is connected between the upper transverse pipe 401 and the lower vertical pipe 402, the lower vertical pipe 402 is vertical to the upper transverse pipe 401, the upper transverse pipe 401 penetrates through the side wall of the heating device cylinder 1, the lower vertical pipe 402 and the arc pipe 403 are both arranged in the heating device cylinder 1, the lower end of the lower vertical pipe 402 is an air outlet end, and one end of the upper transverse pipe 401 arranged outside the heating device cylinder 1 is an air inlet end; the outer wall of the lower vertical pipe 402 is connected with air flow distribution pipes 7, the air flow distribution pipes 7 are arranged in a downward inclined mode, the upper ends of the air flow distribution pipes 7 are communicated with the lower vertical pipe 402, the lower ends of the air flow distribution pipes 7 are air outlet ends, the air flow distribution pipes 7 are provided with a plurality of air flow distribution pipes 7, the plurality of air flow distribution pipes 7 are uniformly distributed around the axis of the lower vertical pipe 402 as the center circumference, as shown in fig. 6, in the embodiment, eight air flow distribution pipes 7 are provided, and the air flow distribution pipes 7 are made of stainless steel pipes; the heating device barrel 1 is connected with the weighing support 5 on the inner wall, and the weighing support 5 is equipped with two, and two weighing support 5 horizontal direction parallel arrangement, lower riser 402 are connected between two weighing support 5, and lower riser 402 outer wall upper portion is connected with trunnion 6, and trunnion 6 is equipped with two, and two trunnion 6 symmetries, two trunnion 6 are respectively supported on two weighing support 5 top surfaces, are equipped with the clearance between two weighing support 5 and the lower riser 402 outer wall, and the weighing support 5 adopts the stainless steel channel-section steel in this embodiment.
The heating device barrel 1 lower part be equipped with guide ring 9, be connected with spacing support 8 between guide ring 9 outer wall and the heating device barrel 1 inner wall, spacing support 8 is equipped with a plurality ofly, a plurality of spacing supports 8 use guide ring 9 axis as center circumference equipartition, as shown in fig. 5, spacing support 8 has set up three in this embodiment, spacing support 8 adopts the preparation of stainless steel angle steel, lower riser 402 lower extreme is pegged graft in guide ring 9, is equipped with the clearance between lower riser 402 outer wall and the guide ring 9 inner wall.
The filter material enters the heating device cylinder 1 through the filter material inlet pipeline 2, the filter material is in conical distribution when being discharged out of the lower end of the filter material inlet pipeline 2, the filter material outlet pipeline 3 is arranged above the lower end of the filter material inlet pipeline 2, no filter material is arranged near the filter material outlet pipeline 3, the filter material is prevented from being sucked out by the filter material fan 16, high-temperature hot smoke enters the heating device cylinder 1 through the hot smoke inlet pipeline 4, enters the heating device cylinder 1 from the lower end of the hot smoke inlet pipeline 4, contacts with the filter material in the heating device cylinder 1, finally is discharged out of the heating device cylinder 1 through the filter material outlet pipeline 3, the lower end of the smoke inlet pipeline 4 is arranged below the heating device cylinder 1, and the lower ends of the hot smoke inlet pipeline 4 and the hot smoke inlet pipeline 4 are all arranged below the filter material inlet pipeline 2, so that the filter material is enabled to flow and contact with the high-temperature hot smoke in the opposite direction of the filter material, the contact area of the conical distribution with the high-temperature hot smoke is increased, the heat exchange efficiency of the filter material is improved, and the filter material is heated better.
The repose angle is also called as a repose angle, and is the maximum angle measured in a static state when gravity and frictional force between particles reach balance when the particles slide on a free inclined plane of a powder stacking layer, and formally due to the repose angle, filter materials are distributed in a conical shape when being discharged out of the lower end of the filter material inlet pipeline 2.
Since the medium passing through the hot flue gas inlet pipe 4 is hot flue gas, a certain thermal expansion will be generated during use, and the arrangement of the circular arc tube 403 provides a deformation buffer for thermal expansion, so that the hot flue gas inlet pipe 4 is torn or severely deformed during use.
The arrangement of the airflow distribution pipes 7 enables the high-temperature flue gas to be uniformly distributed around, so that the filter material is heated more uniformly.
The trunnion 6 is welded to the outer wall of the lower vertical pipe 402, and meanwhile, the trunnion 6 is supported on the top surfaces of the two weighing supports 5 and is not fixedly connected, so that when the hot flue gas inlet pipeline 4 generates thermal expansion, the connection mode of the trunnion 6 and the weighing supports 5 can cope with displacement generated by the thermal expansion, and meanwhile, the support can be well provided.
The guiding ring 9 enables the lower vertical pipe 402 to expand freely in the axial direction, and prevents the horizontal displacement of the air flow distributing pipe 7, thereby protecting the air flow distributing pipe 7.
The air inlet end of the upper transverse tube 401 is connected with a connecting pipeline 10, one end, far away from the upper transverse tube 401, of the connecting pipeline 10 is connected with a low-oxygen hot flue gas furnace 12, a hot flue gas inlet control valve 11 is connected to the connecting pipeline 10, a hot flue gas diffusing tube 14 is connected to the connecting pipeline 10, a hot flue gas diffusing control valve 15 is connected to the hot flue gas diffusing tube 14, an oxygen detector 13 is connected to the connecting pipeline 10, and the oxygen detector 13 is arranged on the connecting pipeline 10 between the hot flue gas diffusing tube 14 and the low-oxygen hot flue gas furnace 12. The exhaust gas treatment device is characterized in that the exhaust gas outlet pipeline 3 is connected with an exhaust gas fan 16, the exhaust gas fan 16 is a negative pressure variable frequency fan, the air inlet end of the exhaust gas fan 16 is communicated with the exhaust gas outlet pipeline 3, the air outlet end of the exhaust gas fan 16 is connected with an exhaust gas diffusing pipe 18, and the exhaust gas diffusing pipe 18 is provided with a flame arrester 17.
The low-oxygen hot flue gas furnace 12 can generate high-temperature hot flue gas and is led into the hot flue gas inlet pipeline 4 through the connecting pipeline 10, the hot flue gas inlet control valve 11 is used for controlling the on-off of the high-temperature hot flue gas, the oxygen detector 13 is used for detecting the oxygen content in the high-temperature hot flue gas, the hot flue gas emission pipe 14 is used for exhausting the high-temperature hot flue gas, and the hot flue gas emission control valve 15 is used for controlling the on-off of the hot flue gas emission pipe 14; the spent flue gas fan 16 is used for pumping high-temperature flue gas out of the heating device cylinder 1 and discharging the high-temperature flue gas through the spent flue gas diffusing pipe 18, and the flame arrester 17 prevents the discharged high Wen Fa flue gas from deflagrating.
The low-oxygen hot flue gas furnace 12 generates high-temperature hot flue gas, the oxygen content of the high-temperature hot flue gas needs to be controlled below 2%, and the filter material is prevented from being oxidized when the high-temperature hot flue gas heats the filter material. The oxygen content in the high-temperature hot flue gas is detected by an oxygen detector 13, when the oxygen content of the high-temperature hot flue gas is more than 2%, a hot flue gas inlet control valve 11 is closed, a hot flue gas emission control valve 15 is opened, and the high-temperature hot flue gas is emitted by a hot flue gas emission pipe 14; when the oxygen content of the high-temperature hot flue gas is less than or equal to 2%, the hot flue gas inlet control valve 11 is opened, the hot flue gas emission control valve 15 is closed, and the high-temperature hot flue gas enters the heating device to heat the filter material.
The exhaust gas fan 16 is a negative pressure variable frequency fan, and the exhaust gas fan 16 is in an on state when the granular bed dust remover is in normal operation, so that exhaust gas after heat exchange is continuously pumped out of the heating device, and the problems of high nitrogen content in dry distillation gas and low heat value of the dry distillation gas caused by hot flue gas entering the dry distillation gas are avoided. The frequency of the exhaust gas fan 16 can be adjusted according to the temperature of the filter material during operation, when the temperature of the filter material is higher, the frequency of the exhaust gas fan 16 is reduced, so that the amount of hot smoke entering the heating device is reduced, and otherwise, the frequency of the exhaust gas fan 16 is increased. The outlet of the exhaust gas fan 16 is connected with an exhaust gas diffusing pipe 18, and the exhaust gas diffusing pipe 18 is provided with a flame arrester 17 to prevent the discharged high Wen Fa smoke from deflagrating.
According to the utility model, the filter material flows from top to bottom after entering from the filter material inlet pipeline 2, high-temperature flue gas flows from bottom to top under the suction action of the spent flue gas fan 16, and the filter material and the hot flue gas reversely contact and exchange heat, so that the heat exchange efficiency is greatly improved.
In the embodiment, each part is made of high-temperature resistant stainless steel 316L, and the high-temperature resistance can reach 1000 ℃.
Claims (8)
1. A filter material heating device for removing granule bed dust remover, its characterized in that: including heating device barrel (1), be connected with filter material entry pipeline (2) on heating device barrel (1) top surface, filter material entry pipeline (2) lower extreme stretches into inside heating device barrel (1), be connected with on heating device barrel (1) lateral wall and play gas outlet pipeline (3), it establishes the top at filter material entry pipeline (2) lower extreme to play gas outlet pipeline (3), be connected with hot flue gas entry pipeline (4) on heating device barrel (1) lateral wall, hot flue gas entry pipeline (4) lower extreme stretches into inside heating device barrel (1), flue gas entry pipeline (4) lower extreme is established in heating device barrel (1) lower part, hot flue gas entry pipeline (4) and hot flue gas entry pipeline (4) lower extreme are all established in filter material entry pipeline (2) below.
2. A filter media heating apparatus for a moving particle bed dust collector as set forth in claim 1 wherein: the hot flue gas inlet pipeline (4) include horizontal pipe (401), lower riser (402) and circular arc pipe (403), lower riser (402) are established in last horizontal pipe (401) below, circular arc pipe (403) are connected between last horizontal pipe (401) and lower riser (402), lower riser (402) are perpendicular with last horizontal pipe (401), go up horizontal pipe (401) and run through heating device barrel (1) lateral wall, lower riser (402) and circular arc pipe (403) are all established inside heating device barrel (1), lower riser (402) lower extreme is the end of giving vent to anger, go up horizontal pipe (401) and establish the one end outside heating device barrel (1) and be the inlet end.
3. A filter media heating apparatus for a moving particle bed dust collector as claimed in claim 2 wherein: the utility model discloses a lower riser (402) outer wall on be connected with air current distribution pipe (7), air current distribution pipe (7) downward sloping sets up, air current distribution pipe (7) upper end and lower riser (402) intercommunication, air current distribution pipe (7) lower extreme is the end of giving vent to anger, air current distribution pipe (7) are equipped with a plurality ofly, riser (402) axis is central circumference equipartition under a plurality of air current distribution pipes (7).
4. A filter media heating apparatus for a moving particle bed dust collector as claimed in claim 3 wherein: the heating device barrel (1) inner wall on be connected with weighing support (5), weighing support (5) are equipped with two, two weighing support (5) horizontal direction parallel arrangement, lower riser (402) are connected between two weighing support (5), lower riser (402) outer wall upper portion is connected with trunnion (6), trunnion (6) are equipped with two, two trunnion (6) symmetry, two trunnion (6) are in the arm respectively on two weighing support (5) top surfaces, are equipped with the clearance between two weighing support (5) and lower riser (402) outer wall.
5. A filter media heating apparatus for a moving particle bed dust collector as set forth in claim 4 wherein: the heating device is characterized in that a guide ring (9) is arranged at the lower part of the heating device cylinder body (1), limiting supports (8) are connected between the outer wall of the guide ring (9) and the inner wall of the heating device cylinder body (1), a plurality of limiting supports (8) are arranged, the limiting supports (8) are uniformly distributed circumferentially by taking the axis of the guide ring (9) as the center, the lower end of the lower vertical pipe (402) is inserted into the guide ring (9), and a gap is formed between the outer wall of the lower vertical pipe (402) and the inner wall of the guide ring (9).
6. A filter media heating apparatus for a moving particle bed dust collector as set forth in claim 5 wherein: the utility model provides a low oxygen hot flue gas stove, last violently pipe (401) inlet end be connected with connecting tube (10), the one end that violently pipe (401) was kept away from to connecting tube (10) is connected with low oxygen hot flue gas stove (12), be connected with hot flue gas entry control valve (11) on connecting tube (10), be connected with hot flue gas on connecting tube (10) and diffuse pipe (14), be connected with hot flue gas on diffusing pipe (14) and diffuse control valve (15), be connected with oxygen detector (13) on connecting tube (10), oxygen detector (13) are established on connecting tube (10) between hot flue gas diffusing pipe (14) and low oxygen hot flue gas stove (12).
7. A filter media heating apparatus for a moving particle bed dust collector as set forth in claim 6 wherein: the exhaust gas treatment device is characterized in that an exhaust gas outlet pipeline (3) is connected with an exhaust gas fan (16), an air inlet end of the exhaust gas fan (16) is communicated with the exhaust gas outlet pipeline (3), an air outlet end of the exhaust gas fan (16) is connected with an exhaust gas diffusing pipe (18), and a flame arrester (17) is arranged on the exhaust gas diffusing pipe (18).
8. A filter media heating apparatus for a moving particle bed dust collector as set forth in claim 7 wherein: the exhaust gas fan (16) is a negative pressure variable frequency fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318486.8U CN219194890U (en) | 2023-02-27 | 2023-02-27 | Filter material heating device for movable granular bed dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318486.8U CN219194890U (en) | 2023-02-27 | 2023-02-27 | Filter material heating device for movable granular bed dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219194890U true CN219194890U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320318486.8U Active CN219194890U (en) | 2023-02-27 | 2023-02-27 | Filter material heating device for movable granular bed dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219194890U (en) |
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2023
- 2023-02-27 CN CN202320318486.8U patent/CN219194890U/en active Active
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