CN212691786U - High-temperature flue gas heating system - Google Patents
High-temperature flue gas heating system Download PDFInfo
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- CN212691786U CN212691786U CN202021477147.7U CN202021477147U CN212691786U CN 212691786 U CN212691786 U CN 212691786U CN 202021477147 U CN202021477147 U CN 202021477147U CN 212691786 U CN212691786 U CN 212691786U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model relates to a high temperature flue gas heating system belongs to heat supply heat transfer technical field, and it is including burning furnace and heat-consuming equipment, and the one side of burning furnace keeping away from heat-consuming equipment is provided with the blast air subassembly, and the intercommunication has the regulating subassembly between blast air subassembly and the heat-consuming equipment, and the intercommunication has the defeated wind pipeline between blast air subassembly and the regulating subassembly, and the intercommunication has the flue gas intake pipe between regulating subassembly and the burning furnace, and the intercommunication has the temperature to show the device between regulating subassembly and the heat-consuming equipment, and the blast air subassembly includes air-blower and blast pipe, blast pipe intercommunication air-blower and defeated wind pipeline, the utility model has the effects of reducing high temperature flue gas utilization in-process power consumption, reducing.
Description
Technical Field
The utility model belongs to the technical field of the technique of heat transfer, heat supply and specifically relates to a high temperature flue gas heating system is related to.
Background
The high-temperature flue gas heating system is a system for utilizing heat generated after fuel is combusted, and along with the acceleration of the modernization process, a plurality of processes in industrial production need the high-temperature flue gas heating system.
Referring to fig. 1, the existing high-temperature flue gas heating system comprises an incinerator 1, a heat utilization device 2, an air delivery pipeline 3 and an induced draft fan, the air delivery pipeline 3 is communicated with the incinerator 1, the heat utilization device 2 and the induced draft fan, fuel gas and combustion-supporting air are added into the incinerator 1 during use, after sufficient combustion is carried out, the pressure of high-temperature gas in the air delivery pipeline 3 is adjusted, cold air is introduced into the incinerator 1 again, the cold air carries out temperature adjustment treatment on the high-temperature gas in the incinerator 1, the high-temperature flue gas after the temperature adjustment treatment is conveyed to the heat utilization device 2, the induced draft fan is used for extracting the high-temperature flue gas in the heat utilization device 2, emptying is carried out, and the whole flow.
The above prior art solutions have the following drawbacks: the existing technology is only suitable for medium and small scale production, but under the current situation of large-scale development of petrochemical industry, the existing equipment is difficult to realize large-scale heat supply requirements because the technology burns fuel gas, cold air is introduced into an incinerator for temperature adjustment treatment, the high-temperature flue gas pressure at an outlet of the incinerator is generally micro negative pressure or micro positive pressure, after a heat utilization device is used, the high-temperature flue gas has resistance drop larger than 60kPa, and a draught fan is required to draw out hot flue gas (about 160 ℃) in the heat utilization device for emptying after the heat utilization device absorbs heat. Under this operating mode, the draught fan is difficult to the type selection. In order to realize the process under the current condition, a plurality of process systems are required to be used in parallel, so that more equipment is adopted, the occupied area is larger, and a large amount of power is consumed, so that the operation cost of an enterprise is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high temperature flue gas heating system utilizes venturi theory of operation to become the malleation flue gas with little negative pressure flue gas or pressure-fired flue gas to no longer need use the draught fan, use the air-blower to realize heating system normal operating with the thermal equipment front end, do not have the equipment lectotype problem. Under the operating condition, the volume flow of the flue gas is reduced, so that the specifications of equipment and pipelines are reduced, the power consumption in the high-temperature flue gas utilization process is reduced, the equipment one-time investment is reduced, and the enterprise operation cost is reduced.
The utility model discloses a can realize through following technical scheme: the utility model provides a high temperature flue gas heating system, is provided with the air-blast subassembly including burning furnace and with the thermal equipment, burns burning furnace one side of keeping away from with the thermal equipment, and the intercommunication has the pressure regulating subassembly between air-blast subassembly and the thermal equipment, and the intercommunication has the air delivery pipeline between air-blast subassembly and the pressure regulating subassembly, and the intercommunication has the flue gas intake pipe between pressure regulating subassembly and the burning furnace, and the intercommunication has the temperature to show the device between pressure regulating subassembly and the thermal equipment, and the air-blast subassembly includes air-blower and blast pipe, blast pipe intercommunication air-blower and.
By adopting the technical scheme, the fuel gas and the combustion air are combusted in the incinerator to generate high-temperature flue gas at 850-1100 ℃, the heat equipment needs the flue gas at 350-400 ℃, the hot flue gas generated by the incinerator and the cold air sent by the blower realize temperature reduction and pressurization through the Venturi mixer, and the heat of the hot flue gas can be directly discharged in the high altitude after being absorbed by the heat equipment. The temperature of the flue gas at the outlet of the Venturi mixer can be monitored by the temperature display component, and the temperature of the flue gas can be adjusted at any time according to the heat demand. Because there is certain pressure drop with the thermal equipment, the pressure drop is about 60kpa, and the setting of venturi in the pressure regulating subassembly can change little negative pressure or little positive pressure flue gas into malleation flue gas, uses the air-blower can guarantee to use heating system's normal use before the thermal equipment. Under the operating condition, the volume flow of the flue gas is reduced, so that the specifications of equipment and pipelines are reduced, and the effects of reducing power consumption in the high-temperature flue gas utilization process, reducing the operation cost of enterprises and reducing the primary investment of the equipment are achieved.
The utility model discloses further set up to: the pressure regulating assembly comprises a venturi and a fixing ring, and the fixing ring is fixedly connected with the venturi and the air delivery pipeline.
By adopting the technical scheme, when high-temperature gas is driven by cold air with certain pressure, the high-temperature gas enters from the vacuum part of the throat of the venturi tube, the arrangement of the fixing ring facilitates the connection of a wind delivery pipeline and the venturi tube for workers, the pressure of the gas flowing to the heat utilization equipment is adjusted, and meanwhile, the venturi tube is simple in structure and long in service life.
The utility model discloses further set up to: the temperature display device comprises a probe, a transmission line and a display, wherein the probe is positioned in the air conveying pipeline, the display is positioned outside the air conveying pipeline, and the transmission line is communicated with the probe and the display.
Through adopting above-mentioned technical scheme, the probe is located the air delivery pipeline, the monitoring that can be accurate flows to the temperature of the high-temperature gas of heat equipment, thereby the display makes things convenient for the staff to look over adjusts the temperature, has reached the temperature of the gas of accurate control flow to heat equipment.
The utility model discloses further set up to: an adjusting component is arranged between the air supply pipe and an air outlet of the blower and comprises a fixing plate, an actuating mechanism and an inserting plate, one end of the inserting plate penetrates through one side wall of the air supply pipe and is in sliding connection with the air supply pipe, the fixing plate is fixedly connected with the air supply pipe, and the actuating mechanism is fixedly connected with the inserting plate and the fixing plate.
Through adopting above-mentioned technical scheme, can also burn the discarded object in the life when burning the fuel gas in the burning furnace, when the discarded object in the burning furnace is more or the fuel tolerance lets in too big, the temperature in the burning furnace is higher, adjusts the length that the picture peg is pegged graft in the air supply pipe to adjust the output quantity of air conditioning, guarantee to flow to the temperature with the gas in the thermal equipment, when the discarded object in the burning furnace is less, reduce the air output of air conditioning, guarantee to flow to the temperature with the gas of thermal equipment.
The utility model discloses further set up to: the dust removal assembly is arranged between the air blowing assembly and the heat utilization equipment and comprises a fixing frame and a filter element, the fixing frame is of a rectangular annular structure, and the filter element is inserted in the fixing frame.
Through adopting above-mentioned technical scheme, when the fuel in the burning furnace is the discarded object, has impurity dust in the high temperature flue gas of production, and common equipment that carries out the drying for utilizing high-temperature gas with hot equipment generally utilizes high-temperature gas when carrying out the drying to the object, and filter assembly can clear up the impurity in the high-temperature gas, reaches the clean effect of assurance high-temperature gas, can not influence by dry object.
The utility model discloses further set up to: the filter element comprises an activated carbon layer and a gauze layer, the activated carbon layer is bonded in a cavity of the gauze layer, and the gauze layer is formed by bonding a plurality of layers of gauze.
Through adopting above-mentioned technical scheme, when the material of the burning in the incinerator was the discarded object, the gauze layer can filter the absorption with the impurity in the high-temperature gas, and the high-temperature gas after the gauze filtering absorption probably contains some nitrogen oxide influences by dry material, and the activated carbon layer can adsorb nitrogen oxide or other impurity, has reached the effect of guaranteeing to be dried the object quality.
The utility model discloses further set up to: the upper end of the fixed frame is provided with a sliding groove, a drawing frame is arranged in the fixed frame and is of a hollow plate-shaped structure, the side wall of the drawing frame is provided with a slot, the side face of the drawing frame communicated with the air delivery pipeline is provided with a plurality of through holes, and the drawing frame is inserted in the fixed frame.
Through adopting above-mentioned technical scheme, the spout can conveniently change the filter core with pull frame cooperation use, will filter the core and take out in the pull frame during the change, guarantees to filter and still can guarantee effectual filter effect after the core uses for a long time.
The utility model discloses further set up to: the side face of the drawing frame close to the sliding groove is fixedly connected with a cover plate, the upper surface of the cover plate is in threaded connection with a fixing bolt, and the fixing bolt penetrates through the cover plate and is in threaded connection with the fixing frame.
Through adopting above-mentioned technical scheme, apron and fixing bolt's setting has increased the connection stability of pull frame with fixed frame, has guaranteed the filter effect of crossing the filter core, guarantees the effect with the normal work of thermal equipment.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the arrangement of the blast assembly can reduce the temperature of high-temperature gas output from the incinerator, ensure the circulation of the high-temperature gas in heat utilization equipment, reduce the energy consumption, reduce the production cost of enterprises and improve the treatment speed of waste;
2. the temperature display device and the adjusting assembly are arranged, so that the air outlet quantity of the air blower can be conveniently adjusted by workers, and the temperature of air entering the heat utilization equipment is ensured;
3. the setting of dust removal subassembly can guarantee that the high-temperature gas that gets into in the thermal equipment is pure, and fixed frame cooperation drawing frame uses simultaneously and can make things convenient for the staff will filter the core and change.
Drawings
FIG. 1 is a schematic flow diagram of a thermal waste decomposition system according to the prior art;
FIG. 2 is an overall flow chart of the present application;
FIG. 3 is a schematic view of the structure between the incinerator and the heat utilizing equipment in the present embodiment;
FIG. 4 is a partial cross-sectional view of the adjustment assembly;
fig. 5 is an exploded view showing the dust removing assembly and the drawing frame.
In the figure, 1, an incinerator; 2. a heat-using device; 3. a wind delivery pipeline; 4. a blower assembly; 41. a blower; 42. an air supply pipe; 5. a voltage regulating component; 51. a venturi; 52. a fixing ring; 6. a temperature display device; 61. a probe; 62. a transmission line; 63. a display; 7. an adjustment assembly; 71. a fixing plate; 72. an actuator; 73. inserting plates; 8. a dust removal assembly; 81. a fixing frame; 811. a chute; 82. a filter element; 821. an activated carbon layer; 822. a gauze layer; 9. drawing the frame; 91. a slot; 92. a through hole; 93. a cover plate; 94. fixing the bolt; 10. and a flue gas inlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 2 and 3, for the utility model discloses a high temperature flue gas heating system, including incinerator 1, heat utilization equipment 2, air delivery pipeline 3, blast air component 4, pressure regulating component 5 and flue gas intake pipe 10, blast air component 4 includes air-blower 41 and blast pipe 42, blast pipe 42 communicates air-blower 41 and air delivery pipeline 3, air delivery pipeline 3 communicates pressure regulating component 5 and blast air component 4, and the end of air delivery pipeline 3 far away from pressure regulating component 5 is sealed, flue gas intake pipe 10 communicates pressure regulating component 5 and incinerator 1, blast pipe 42 is close to the one end of air delivery pipeline 3 to the one end far away from air delivery pipeline 3 and inclines to the side far away from incinerator 1 gradually, blast air component 4's setting can cool down the high temperature gas output from incinerator 1, guarantee the high temperature flue gas that conveys to the interior of heat utilization equipment 2 reaches the requirement of use, can change the high temperature flue gas in heat utilization equipment 2 simultaneously, the high-temperature flue gas does not need to be cooled and drawn out independently, the pressure intensity of the high-temperature flue gas in the incinerator 1 can be adjusted by the pressure adjusting assembly 5, and the effects of reducing power consumption in the high-temperature flue gas utilization process, reducing equipment one-time investment and reducing enterprise operation cost are achieved.
Referring to fig. 3, the pressure regulating assembly 5 includes a venturi 51 and a fixing ring 52, the fixing ring 52 is fixedly connected to one end of the air delivery pipe 3 close to the venturi 51, the venturi 51 is fixedly connected and communicated with the air delivery pipe 3, the flue gas inlet pipe 10 is communicated with a throat of the venturi 51, the venturi 51 meets the pressure requirement of the heat consuming equipment 2, and can regulate the pressure of the high-temperature gas delivered into the heat consuming equipment 2, thereby eliminating the pressure drop between the incinerator 1 and the heat consuming equipment 2.
Referring to fig. 3, be provided with between pressure regulating subassembly 5 and the heat equipment 2 and show device 6 with the temperature, temperature shows device 6 and includes probe 61, transmission line 62 and display 63, and probe 61 pegs graft in air transmission pipeline 3, and transmission line 62 connects probe 61 and display 63, and the setting up of temperature shows device 6 makes things convenient for the staff to monitor the high temperature gas temperature who leads to the heat equipment 2 with the temperature, satisfies the demand with heat equipment 2.
Referring to fig. 3 and 4, an adjusting assembly 7 is disposed between the blower 41 and the air supply duct 42, the adjusting assembly 7 includes a fixing plate 71, an actuating mechanism 72 and an inserting plate 73, the actuating mechanism 72 is a hydraulic cylinder, the inserting plate 73 penetrates through a side wall of the air supply duct 42 and is vertically slidably connected with the side wall of the air supply duct 42, the fixing plate 71 is fixedly connected to the side wall of the air supply duct 42, the actuating mechanism 72 is fixedly connected to the inserting plate 73 and the fixing plate 71, the actuating mechanism 72 drives the inserting plate 73 to slide in the air supply duct 42 to adjust the length of the inserting plate 73 inserted in the air supply duct 42, so as to achieve the effect of adjusting the amount of cold air delivered by.
Referring to fig. 3 and 5, a dust removal assembly 8 is arranged between the pressure regulating assembly 5 and the heat utilization equipment 2, the dust removal assembly 8 comprises a fixing frame 81 and a filter element 82, the fixing frame 81 is of a rectangular annular structure, the filter element 82 is inserted into the fixing frame 81, the filter element 82 comprises an activated carbon layer 821 and a gauze layer 822, the activated carbon layer 821 is located in a cavity of the gauze layer 822, the gauze layer 822 is made of multiple layers of gauze in a bonding mode, when combustion substances in the incinerator 1 are waste, the arrangement of the dust removal assembly 8 can filter high-temperature gas conveyed into the heat utilization equipment 2, and normal use of the heat utilization equipment 2 is guaranteed.
Referring to fig. 3 and 5, spout 811 has been seted up on fixed frame 81 top, it has the drawing frame 9 to peg graft in fixed frame 81 to peg graft through spout 811, drawing frame 9 top fixedly connected with apron 93, surface thread is connected with fixing bolt 94 on the apron 93, fixing bolt 94 runs through apron 93 and fixed frame 81 fixed connection, drawing frame 9 is hollow rectangle platelike structure, slot 91 has been seted up to drawing frame 9 lateral wall, it pegs graft in drawing frame 9 through slot 91 to filter core 82, a plurality of through-holes 92 have been seted up to the lateral wall of drawing frame 9 and air duct 3 intercommunication, drawing frame 9 and the cooperation of apron 93 use can make things convenient for the staff to change filter core 82, guarantee to filter core 82's filter effect.
The implementation principle of the embodiment is as follows: when in use, fuel gas is led into the incinerator 1 or waste gas is placed in the incinerator for incineration, generated heat is led to the heat utilization equipment 2 through the flue gas inlet pipe 10, when hot air is conveyed to the heat utilization equipment 2, cold air is led to the heat utilization equipment through the air blast component 4 through the air conveying pipeline 3, meanwhile, the gas in the flue gas inlet pipe 10 is cooled, meanwhile, the air blast component 4 is arranged to ensure the circulation of high-temperature gas in the heat utilization equipment 2, the high-temperature gas is conveyed to the heat utilization equipment 2 and simultaneously passes through the pressure regulating component 5 to ensure that the pressure of the high-temperature flue gas meets the requirement of the heat utilization equipment 2, the air supply quantity of the air blast fan 41 can be regulated according to the temperature of the high-temperature gas in the incinerator 1 through the setting of the regulating component 7, the dust removing component 8 and the drawing frame 9 can jointly act to ensure the purity of the high-temperature gas conveyed to the heat, the power consumption in the process of utilizing the high-temperature flue gas is reduced, the equipment one-time investment is reduced, and the enterprise operation cost is reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a high temperature flue gas heating system, includes burns burning furnace (1) and with hot equipment (2), its characterized in that: burn burning furnace (1) and keep away from one side with hot equipment (2) and be provided with air blast subassembly (4), it has pressure regulating subassembly (5) to communicate between air blast subassembly (4) and with hot equipment (2), it has air delivery pipeline (3) to communicate between air blast subassembly (4) and pressure regulating subassembly (5), it has flue gas intake pipe (10) to communicate between pressure regulating subassembly (5) and burning furnace (1), it has temperature display device (6) to communicate between pressure regulating subassembly (5) and with hot equipment (2), air blast subassembly (4) include air-blower (41) and blast pipe (42), blast pipe (42) intercommunication air-blower (41) and air delivery pipeline (3).
2. The high-temperature flue gas heating system according to claim 1, wherein: the pressure regulating assembly (5) comprises a venturi (51) and a fixing ring (52), and the fixing ring (52) is fixedly connected with the venturi (51) and the air delivery pipeline (3).
3. The high-temperature flue gas heating system according to claim 1, wherein: the temperature display device (6) comprises a probe (61), a transmission line (62) and a display (63), wherein the probe (61) is positioned in the air conveying pipeline (3), the display (63) is positioned outside the air conveying pipeline (3), and the transmission line (62) is communicated with the probe (61) and the display (63).
4. The high-temperature flue gas heating system according to claim 1, wherein: be provided with adjusting part (7) between the air outlet of blast pipe (42) and air-blower (41), adjusting part (7) are including fixed plate (71), actuating mechanism (72) and picture peg (73), picture peg (73) one end run through a lateral wall of blast pipe (42), and with blast pipe (42) sliding connection, fixed plate (71) and blast pipe (42) fixed connection, actuating mechanism (72) fixed connection picture peg (73) and fixed plate (71).
5. The high-temperature flue gas heating system according to claim 1, wherein: the dust removal assembly (8) is arranged between the air blowing assembly (4) and the heat utilization equipment (2), the dust removal assembly (8) comprises a fixing frame (81) and a filter element (82), the fixing frame (81) is of a rectangular annular structure, and the filter element (82) is inserted into the fixing frame (81).
6. The high-temperature flue gas heating system according to claim 5, wherein: the filter element (82) comprises an activated carbon layer (821) and a gauze layer (822), the activated carbon layer (821) is bonded with the cavity of the gauze layer (822), and the gauze layer (822) is formed by bonding a plurality of layers of gauze.
7. The high-temperature flue gas heating system according to claim 5, wherein: the upper end of the fixed frame (81) is provided with a sliding groove (811), the fixed frame (81) is internally provided with a drawing frame (9), the drawing frame (9) is of a hollow plate-shaped structure, the side wall of the drawing frame (9) is provided with a slot (91), the drawing frame (9) is communicated with the air delivery pipeline (3) and provided with a plurality of through holes (92), and the drawing frame (9) is inserted into the fixed frame (81).
8. The high-temperature flue gas heating system according to claim 7, wherein: the side face, close to the sliding groove (811), of the drawing frame (9) is fixedly connected with a cover plate (93), the upper surface of the cover plate (93) is in threaded connection with a fixing bolt (94), and the fixing bolt (94) penetrates through the cover plate (93) and is in threaded connection with the fixing frame (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477147.7U CN212691786U (en) | 2020-07-23 | 2020-07-23 | High-temperature flue gas heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477147.7U CN212691786U (en) | 2020-07-23 | 2020-07-23 | High-temperature flue gas heating system |
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| Publication Number | Publication Date |
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| CN212691786U true CN212691786U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021477147.7U Active CN212691786U (en) | 2020-07-23 | 2020-07-23 | High-temperature flue gas heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776064A (en) * | 2021-08-31 | 2021-12-10 | 苏州西热节能环保技术有限公司 | Biochemical dregs of a decoction mummification and pulverized coal boiler coupling system of burning |
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2020
- 2020-07-23 CN CN202021477147.7U patent/CN212691786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776064A (en) * | 2021-08-31 | 2021-12-10 | 苏州西热节能环保技术有限公司 | Biochemical dregs of a decoction mummification and pulverized coal boiler coupling system of burning |
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