CN115235287B - Waste gas waste heat recycling equipment - Google Patents
Waste gas waste heat recycling equipment Download PDFInfo
- Publication number
- CN115235287B CN115235287B CN202210889915.7A CN202210889915A CN115235287B CN 115235287 B CN115235287 B CN 115235287B CN 202210889915 A CN202210889915 A CN 202210889915A CN 115235287 B CN115235287 B CN 115235287B
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- pipe
- ring
- heat exchange
- flow
- cleaning
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- 239000002912 waste gas Substances 0.000 title claims abstract description 39
- 239000002918 waste heat Substances 0.000 title claims abstract description 35
- 238000004064 recycling Methods 0.000 title abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 69
- 230000000903 blocking effect Effects 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
- F28G1/163—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from internal surfaces of heat exchange conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/02—Supports for cleaning appliances, e.g. frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses waste gas waste heat recycling equipment, which comprises a waste heat recovery box and heat exchange annular pipes, wherein a plurality of groups of transverse partition plates I and a plurality of groups of transverse partition plates II are arranged in the waste heat recovery box, the partition plates I and the partition plates II are alternately arranged in parallel, a cavity in the waste heat recovery box is divided into transverse flow cavities which are vertically stacked, the uppermost layer of the transverse flow cavities are communicated with a flow inlet, the lowermost layer of the transverse flow cavities are communicated with a flow outlet, the right end side of the partition plates I is provided with a first drainage port, the heat exchange annular pipes are arranged in an array manner and are respectively and vertically clamped and connected in the partition plates I and the partition plates II, one side ends of the longitudinal adjacent heat exchange annular pipes are communicated through the first communication pipe to form a longitudinal flow pipe frame, the transverse adjacent longitudinal flow pipe frames are communicated through the two communication pipes which are arranged up and down to form a longitudinal plane S flow pipe frame, one side of the leftmost lower end heat exchange pipe is provided with an air inlet, the rightmost upper end heat exchange pipe is provided with an air outlet, and the inside of the air outlet is also provided with a filter element.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to waste gas waste heat recycling equipment.
Background
The exhaust gas generated or produced by combustion generally has a certain amount of heat, so that the waste heat in the exhaust gas can be recycled. However, since the exhaust gas generally contains particulate matters, oily matters and the like, the existing equipment suitable for waste heat recovery and utilization of the exhaust gas often adheres to the pipe walls of the aggregation heat exchange pipes in the process of carrying out heat transfer on the exhaust gas for a long time, and dust layers formed by thicker particulate matters, oily matters and the like are gradually aggregated on the pipe wall surfaces in the process of time lapse, the dust layers are difficult to clean, and therefore, the waste heat conduction conversion rate in the exhaust gas is reduced; moreover, when the amount of the generated waste gas per unit time is high, the flow rate of the waste gas is high, and the waste gas subjected to waste gas waste heat recovery treatment still has a certain amount of heat, so that the waste heat recovery effect is poor and the utilization rate is low.
Accordingly, a person skilled in the art provides an exhaust gas waste heat recycling device to solve the problems set forth in the background art described above.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the waste gas waste heat recycling equipment comprises a waste heat recovery box and a heat exchange ring pipe, wherein a plurality of groups of transverse partition plates I and a plurality of groups of transverse partition plates II are arranged in the waste heat recovery box, the partition plates I and the partition plates II are alternately arranged in parallel, a cavity in the waste heat recovery box is divided into a transverse flow cavity which is vertically stacked, the transverse flow cavity is communicated with a flow inlet, the transverse flow cavity is communicated with a flow outlet, the right end side of the partition plate I is provided with a first drainage port, the left side of the partition plate II is provided with a second drainage port, the first drainage port and the second drainage port are respectively communicated with a plurality of groups of transverse flow cavities to form a longitudinal plane S flow channel, the heat exchange ring pipes are arranged in an array mode and are respectively connected with the partition plates I and the partition plates II in a vertical clamping mode, one side end of each longitudinal adjacent heat exchange ring pipe is communicated with the corresponding longitudinal plane S flow pipe frame through the communicating pipes which are vertically arranged, the heat exchange ring pipe frame is communicated with the two sides of each other to form a longitudinal plane S flow pipe frame, the heat exchange ring pipe frame is provided with an air inlet, and the heat exchange ring pipe frame is provided with a filter core.
Further, as an preference, the heat exchange loop comprises a straight pipe, a semicircular arc pipe and a circulating cleaning drainage device, wherein two groups of straight pipes are arranged up and down in parallel, two ends of the straight pipe are respectively provided with a connecting ring, two groups of connecting rings on the left side and two groups of connecting rings on the right side are all communicated through the semicircular arc pipe, an elastic flow blocking piece is further arranged on the semicircular arc pipe and used for elastic blocking of a cavity of the semicircular arc pipe on the right side, and the side walls of the upper end and the lower end of the semicircular arc pipe on the right side are also provided with communication ports which are used for being communicated with the first communicating pipe so that a track of a flow pipeline in the longitudinal flow pipe rack flows in an S shape;
the air inlet is communicated with a communication port at the lower middle part of the heat exchange ring pipe at the leftmost lower end, and the air outlet is communicated with a communication port at the upper middle part of the heat exchange ring pipe at the rightmost upper end;
the circulating cleaning drainage device is installed in the heat exchange ring pipe in an auxiliary matching mode through a plurality of groups of the connecting rings, cleans the pipe wall of the heat exchange ring pipe, and chokes and drains waste gas flowing in the heat exchange ring pipe.
Further, preferably, the elastic flow blocking piece comprises a sealing ring pad and a fan-shaped elastic piece, the sealing ring pad is sleeved at the middle part of the semicircular tube on the right side, the fan-shaped elastic piece is connected to the sealing ring pad, the fan-shaped elastic piece is tightly distributed in the circumference to form an elastic flow blocking disc, and the elastic flow blocking disc is located in the semicircular tube on the right side.
Further, as an optimization, the circulating cleaning drainage device comprises a movable bracket piece, a spiral groove rail ring strip and a cleaning drainage vehicle, wherein a plurality of groups of movable bracket pieces are arranged and are respectively installed in the connecting ring, the spiral groove rail ring strip is arranged in the middle of the heat exchange ring pipe and penetrates through the middle of the plurality of groups of movable bracket pieces, the movable bracket piece is used for carrying out auxiliary supporting and positioning on the spiral groove rail ring strip, and the cleaning drainage vehicle is also installed on the spiral groove rail ring strip;
the cleaning drainage vehicle comprises a screw sleeve seat and a cleaning rod brush, wherein the screw sleeve seat is meshed with a spiral groove rail ring strip, a flow blocking fan is arranged on the screw sleeve seat through a damping shaft collar, the cleaning rod brush is arranged on the outer ring side of a middle shaft of the flow blocking fan, a brush head at the outer end of the cleaning rod brush is attached to the pipe wall of a heat exchange ring pipe, a conical top spring is arranged on the middle shaft side end of the flow blocking fan, a cleaning brush is arranged on the surface of the conical top spring, the conical top spring is further sleeved on the spiral groove rail ring strip, the cleaning brush is attached to the surface of the spiral groove rail ring strip, the cleaning rod brush and the conical top spring rotate together with the flow blocking fan, and the cleaning drainage vehicle moves clockwise through impact flow of waste gas.
Further, as the preference, the movable bracket piece includes support bar groove, support supporting pole, two sets of are offered to support bar groove symmetry on linking ring inner wall, support supporting pole is rotatably installed on support bar groove through reset torsion spring, support bar groove clockwise rotation, the concave supporting splint is installed to the support bar groove other end, concave supporting splint holds in the palm the spiral groove rail ring strip.
Further, as an optimization, the number of the cleaning drainage vehicles is two, the cleaning drainage vehicles further comprise a ring sleeve seat, a push rod and a top wheel, the ring sleeve seat is rotatably installed on the screw sleeve seat through a bearing, radial push rods are fixed on the outer ring side of the ring sleeve seat, the push rods are arranged in two groups, a supporting wheel shell is installed at the other end of the push rod, the top wheel is installed in a bearing in the supporting wheel shell, the top wheel is in rolling connection with a top wheel guide rail groove ring, and the top wheel guide rail groove ring is embedded into the pipe wall of the heat exchange ring pipe;
the two groups of riding wheel shells in the inner ring or the outer ring of the cleaning drainage vehicle are respectively connected through steel wires, the steel wires are arranged in steel wire guide rail groove rings, the steel wire guide rail groove rings are arranged in the pipe wall of the heat exchange ring pipe, guiding hanging rings are arranged outside the steel wires, and the guiding hanging rings are arranged on the riding wheel shells.
Further, preferably, the conical top spring is disposed toward the movable bracket member, and the choke fan is disposed between the conical top spring and the ejector rod.
Further, preferably, the distance between the two groups of cleaning and drainage vehicles along the spiral groove track ring is not equal to the distance between the adjacent or diagonally arranged movable bracket pieces along the spiral groove track ring, so that only one movable bracket is acted on to be opened when the cleaning and drainage vehicles pass through the movable bracket pieces.
Compared with the prior art, the invention provides the waste gas and waste heat recycling equipment, which has the following beneficial effects:
according to the invention, through the arrangement of the structures of the heat exchange ring pipe, the elastic flow blocking piece, the first communicating pipe, the second communicating pipe, the first partition board, the partition board and the like, the flow track path of the waste gas in the same volume is longer, the heat exchange time of the waste gas and the gas or liquid to be subjected to heat exchange is longer through the use of the circulating cleaning drainage device, meanwhile, the cleaning drainage vehicle moves along the spiral groove track annular strip by utilizing the kinetic energy of the waste gas under the impact action of the waste gas, the inner pipe wall of the heat exchange ring pipe is continuously circulated, dust and particles are prevented from being accumulated on the inner pipe wall of the heat exchange ring pipe, the cleanliness of the inner pipe wall of the heat exchange ring pipe is ensured, the heat exchange conversion rate of the waste gas is improved, meanwhile, the flowing trend of the waste gas in the heat exchange ring pipe is easier to be blown to the pipe wall of the heat exchange ring pipe through the action of the flow blocking fan, the waste gas subjected to heat exchange is mixed again, and the heat exchange efficiency is accelerated.
Drawings
FIG. 1 is a schematic diagram of an exhaust gas waste heat recovery structure of the present invention;
FIG. 2 is an enlarged schematic view of a partial left-hand structure for waste heat recovery of exhaust gas according to the present invention;
FIG. 3 is an enlarged schematic view of the internal part of the heat exchange loop of the present invention;
FIG. 4 is an enlarged schematic view of a partial structure of a section of a groove ring of a wire guide rail according to the present invention;
in the figure: 1. a waste heat recovery box; 2. a first partition board; 201. a drainage port I; 3. a second partition board; 301. a drainage port II; 4. a heat exchange loop; 5. a first communicating pipe; 6. a second communicating pipe; 7. an air inlet; 8. an exhaust port; 9. a filter element; 10. a feed port; 11. a flow outlet; 12. a straight pipe; 13. a linking ring; 14. a semicircular arc tube; 15. an elastic choke; 16. a circulating cleaning drainage device; 17. spiral groove rail ring strips; 18. a screw sleeve seat; 19. a choke fan; 20. a damping collar; 21. a cleaning rod brush; 22. a ring sleeve seat; 23. a push rod; 24. a top wheel; 25. a steel wire; 26. a top wheel guide rail groove ring; 27. a steel wire guide rail groove ring; 28. a conical top spring; 29. cleaning a brush; 30. a support bar slot; 31. supporting the supporting rods; 32. a concave supporting splint; 33. a reset torsion spring; 34. a seal ring pad; 35. a fan-shaped elastic sheet; 36. guiding the hanging ring.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: the waste gas waste heat recycling device comprises a waste heat recycling box 1 and a heat exchange ring pipe 4, wherein a plurality of groups of transverse partition plates 1 and a plurality of groups of partition plates 2 and 3 are arranged in the waste heat recycling box 1 in an alternating parallel mode, cavities in the waste heat recycling box 1 are divided into transverse flow cavities which are stacked up and down, the uppermost layer of the transverse flow cavities are communicated with an inlet 10, the lowermost layer of the transverse flow cavities are communicated with an outflow port 11, the right end side of the partition plate 1 is provided with a first drainage port 201, the left side of the partition plate 3 is provided with a second drainage port 301, the first drainage port 201 and the second drainage port 301 are respectively communicated with the transverse flow cavities in series to form a longitudinal plane S flow channel, the heat exchange ring pipes 4 are arranged in an array mode and are respectively vertically clamped and connected in the partition plates 2 and the second partition plates 3, one side ends of the longitudinally adjacent heat exchange ring pipes 4 are communicated through a first communicating pipe 5 to form longitudinal flow, the transversely adjacent longitudinal flow pipe frames are communicated through a second upper communicating pipe frame 6 and a lower communicating pipe frame to form a longitudinal plane S, the left side is provided with an air inlet 8, the right side of the heat exchange ring pipe 4 is provided with an air inlet 8, and the left side of the heat exchange ring pipe 4 is provided with an air inlet 8.
Further, the heat exchange loop 4 includes a straight pipe 12, a semicircular pipe 14 and a circulation cleaning drainage device 16, two groups of straight pipes 12 are arranged up and down in parallel, two ends of the straight pipe 12 are respectively provided with a connection ring 13, two groups of connection rings 13 on the left side and two groups of connection rings 13 on the right side are both communicated through the semicircular pipe 14, an elastic flow blocking piece 15 is further arranged on the semicircular pipe 14 on the right side, the elastic flow blocking piece 15 is used for elastic blocking of a pipe cavity of the semicircular pipe 14 on the right side, and the side walls of the upper end and the lower end of the semicircular pipe 14 on the right side are also provided with communication ports which are used for being communicated with a first communicating pipe 5 so that a flow pipeline track in the longitudinal flow pipe rack flows in an S shape;
the air inlet 7 is communicated with a communication port at the middle and lower part of the heat exchange ring pipe 4 at the leftmost lower end, and the air outlet 8 is communicated with a communication port at the middle and upper part of the heat exchange ring pipe 4 at the rightmost upper end;
the circulating cleaning and drainage device 16 is installed in the heat exchange loop 4 in an auxiliary matching manner through a plurality of groups of the engagement rings 13, cleans the pipe wall of the heat exchange loop 4 and chokes and drains the waste gas flowing in the heat exchange loop 4.
Further, the elastic flow blocking piece 15 includes a sealing ring pad 34 and a fan-shaped elastic piece 35, the sealing ring pad 34 is sleeved at the middle part of the semicircular tube 14 on the right side, the fan-shaped elastic piece 35 is connected to the sealing ring pad 34, the fan-shaped elastic piece 35 is circumferentially and tightly distributed to form an elastic flow blocking disc, the elastic flow blocking disc is located in the semicircular tube 14 on the right side, wherein the elastic flow blocking disc can be pushed and opened by an upper cleaning drainage roof, and after the cleaning drainage vehicle passes, the elastic flow blocking disc is closed again to form an elastic flow blocking disc so that waste gas flows unidirectionally along the heat exchange ring pipe, and an S-shaped flow track is further formed to flow.
Further, the circulation cleaning drainage device 16 comprises a plurality of groups of movable bracket pieces, a plurality of spiral groove rail ring strips 17 and cleaning drainage vehicles, wherein the movable bracket pieces are respectively arranged in the connecting ring 13, the spiral groove rail ring strips 17 are arranged in the middle of the heat exchange ring pipe 4 and penetrate through the middle of the plurality of groups of movable bracket pieces, the movable bracket pieces are used for carrying out auxiliary supporting and positioning on the spiral groove rail ring strips 17, and the cleaning drainage vehicles are further arranged on the spiral groove rail ring strips 17;
the cleaning drainage vehicle comprises a screw sleeve seat 18 and a cleaning rod brush 21, wherein the screw sleeve seat 18 is meshed with a spiral groove rail annular strip 17, a flow blocking fan 19 is installed on the screw sleeve seat 18 through a damping shaft collar 20, the cleaning rod brush 21 is installed on the outer shaft annular side of the flow blocking fan 19, a brush head at the outer end of the cleaning rod brush 21 is attached to the pipe wall of the heat exchange circular pipe 4, a conical top spring 28 is installed on the middle shaft side end of the flow blocking fan 19, a cleaning brush 29 is arranged on the surface of the conical top spring 28, the conical top spring 28 is sleeved on the spiral groove rail annular strip 17, the cleaning brush 29 is attached to the surface of the spiral groove rail annular strip 17, the cleaning rod brush 21 and the conical top spring 28 are rotated together with the flow blocking fan 19, the cleaning drainage vehicle moves clockwise through the impact flow of waste gas, the flow blocking fan starts to spin through the waste gas flow blocking circular pipe, the effect of the damping shaft collar is further combined with the flow blocking fan, the waste gas can be pushed to move along the direction of the spiral groove annular strip, accordingly the inner wall of the heat exchange circular pipe is cleaned, the heat exchange particles are prevented from being compressed on the pipe wall of the heat exchange circular pipe, and the quality of the heat exchange circular pipe is prevented from being increased, and the waste gas is prevented from flowing in the heat exchange circular pipe is further, and the heat exchange circular pipe is completely flows in the environment is prevented from flowing along with the heat exchange circular pipe, and the heat exchange circular pipe is further has high quality is guaranteed, and the waste gas is completely flows, and the waste is guaranteed.
Further, the movable bracket piece comprises a supporting bar groove 30 and supporting rods 31, two groups of supporting bars 31 are symmetrically arranged on the inner wall of the connecting ring 13, the supporting bars 31 are rotatably arranged on the supporting bar groove 30 through reset torsion springs 33, the supporting bar groove 30 rotates clockwise, concave supporting clamping plates 32 are arranged at the other ends of the supporting bar groove 30, the concave supporting clamping plates 32 clamp the spiral groove track ring bars 17, the supporting bars and the concave supporting clamping plates are of elastic structures, and the concave surfaces of the concave supporting clamping plates are friction surfaces so as to support and position the spiral groove track ring bars.
Further, two groups of cleaning drainage vehicles are arranged, the cleaning drainage vehicles further comprise a ring sleeve seat 22, ejector rods 23 and top wheels 24, the ring sleeve seat 22 is rotatably arranged on the screw sleeve seat 18 through a bearing, radial ejector rods 23 are fixed on the outer ring side of the ring sleeve seat 22, the two groups of ejector rods 23 are arranged, a supporting wheel shell is arranged at the other end of each ejector rod 23, the top wheels 24 are arranged in the supporting wheel shell through bearings, the top wheels 24 are in rolling connection with a top wheel guide rail groove ring 26, and the top wheel guide rail groove ring 26 is embedded into the pipe wall of the heat exchange ring pipe 4;
the riding wheel shells in the inner ring or the outer ring of the cleaning drainage vehicle are respectively connected through steel wires 25, the steel wires 25 are installed in steel wire guide rail groove rings 27, the steel wire guide rail groove rings 27 are arranged in the pipe wall of the heat exchange ring pipe 4, guide hanging rings 36 are arranged outside the steel wires 25, and the guide hanging rings 36 are installed on the riding wheel shells, so that the cleaning drainage vehicle can be mutually pulled when passing through the movable bracket piece or the elastic flow blocking disk, and the cleaning drainage vehicle can more smoothly pass through the movable bracket piece or the elastic flow blocking disk.
Further, the conical top spring is arranged towards the direction of the movable bracket piece, and the flow blocking fan 19 is arranged between the conical top spring and the ejector rod, so that the flow blocking fan is prevented from touching the ejector rod or the fan-shaped elastic piece.
Further, the distance between the two groups of cleaning drainage vehicles along the spiral groove track ring strip is not equal to the distance between the adjacent or diagonally arranged movable bracket pieces along the spiral groove track ring strip, so that only one movable bracket is acted and opened when the cleaning drainage vehicles pass through the movable bracket pieces;
preferably, when one group of cleaning drainage vehicles is touching the left side surface of the movable bracket piece on the right upper corner side, the distance between the other group of cleaning drainage vehicles and the right side surface of the movable bracket piece on the left lower corner side is two body positions of the cleaning drainage vehicles, so that the cleaning drainage vehicles below can smoothly drive the cleaning drainage vehicles above to penetrate through the movable bracket piece under the impact of waste gas.
In the specific implementation, the gas or liquid to be subjected to heat exchange is led into the inlet port, flows along the longitudinal plane S flow channel, flows out through the outflow port, fills the waste gas into the air inlet, flows along the longitudinal plane S flow pipe frame, flows into the adjacent total plane S flow pipe frame through the flow guide of the communicating pipe II, flows until being discharged after being filtered by the filter element in the air outlet, and the S-shaped flow track of the waste gas in each adjacent longitudinal plane S flow pipe frame is reversed, so that the gas or liquid flowing in the longitudinal plane S flow channel is fully subjected to heat exchange in multiple directions and orderly, the uniformity and efficiency of the heat exchange are improved, meanwhile, the cleaning drainage vehicle moves along the spiral groove rail annular strip under the effect of the flushing of the waste gas, continuously and circularly cleans the inner pipe wall of the heat exchange annular pipe, dust and particles are prevented from being accumulated on the inner pipe wall of the heat exchange annular pipe, the heat exchange conversion rate of the waste gas is improved, and meanwhile, the flowing trend of the waste gas in the heat exchange annular pipe is easier to flow through the flow blocking fan, the heat exchange efficiency of the waste gas is accelerated, and the heat exchange efficiency of the waste gas is mixed again.
The above description is only of the preferred embodiments of the invention, but the protection scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the invention pertains should make equivalent substitutions or modifications according to the technical solution of the invention and its inventive concept within the scope of the invention.
Claims (7)
1. Waste gas waste heat recovery utilizes equipment, including waste heat recovery case (1), heat exchange ring pipe (4), be equipped with horizontal baffle one of multiunit (2), baffle two (3) in waste heat recovery case (1), baffle one (2) and baffle two (3) parallel arrangement in turn separates into the cavity in waste heat recovery case (1) and stacks up and down horizontal flow chamber, and the upper strata horizontal flow chamber intercommunication has inlet (10), and the lowest floor horizontal flow chamber intercommunication has outlet (11), drainage mouth one (201) has been seted up on the right-hand member side of baffle one (2), the left side of baffle two (3) is equipped with drainage mouth two (301), drainage mouth one (201), drainage mouth two (301) respectively with multiunit horizontal flow chamber are mutually linked together and are formed longitudinal plane S runner, its characterized in that: the heat exchange ring pipes (4) are arranged in an array, are respectively and vertically clamped and connected in the first partition plate (2) and the second partition plate (3), one side end of each longitudinal adjacent heat exchange ring pipe (4) is communicated through the first communicating pipe (5) to form a longitudinal flow pipe frame, the transverse adjacent longitudinal flow pipe frames are communicated through the second communicating pipe (6) which is arranged up and down to form a longitudinal plane S flow pipe frame, an air inlet (7) is formed in the heat exchange ring pipe (4) at one side of the leftmost lower end, an air outlet (8) is formed in the heat exchange ring pipe (4) at one side of the rightmost upper end, and a filter element (9) is further arranged in the air outlet (8);
the heat exchange ring pipe (4) comprises a straight pipe (12), a semicircular arc pipe (14) and a circulating cleaning drainage device (16), wherein two groups of straight pipes (12) are arranged up and down in parallel, two ends of each straight pipe (12) are respectively provided with a connecting ring (13), the left two groups of connecting rings (13) and the right two groups of connecting rings (13) are communicated through the semicircular arc pipe (14), an elastic flow blocking piece (15) is further arranged on the semicircular arc pipe (14) on the right, the elastic flow blocking piece (15) is used for elastic blocking of a pipe cavity of the semicircular arc pipe (14) on the right, the side walls of the upper end and the lower end of the semicircular arc pipe (14) on the right are also provided with communication ports, and the communication ports are used for being communicated with a communicating pipe (5) so that the track of a flow pipeline in the longitudinal flow pipe frame flows in an S shape;
the air inlet (7) is communicated with a communication port at the middle and lower part of the heat exchange ring pipe (4) at the leftmost lower end, and the air outlet (8) is communicated with a communication port at the middle and upper part of the heat exchange ring pipe (4) at the rightmost upper end;
the circulating cleaning drainage device (16) is installed in the heat exchange ring pipe (4) in an auxiliary matching mode through a plurality of groups of connecting rings (13), cleans the pipe wall of the heat exchange ring pipe (4) and chokes and drains the waste gas flowing in the heat exchange ring pipe (4).
2. The exhaust gas waste heat recovery apparatus according to claim 1, wherein: the elastic flow blocking piece (15) comprises a sealing ring pad (34) and a fan-shaped elastic piece (35), the sealing ring pad (34) is sleeved at the right side of the middle part of the semicircular arc tube (14), the fan-shaped elastic piece (35) is connected to the sealing ring pad (34), the fan-shaped elastic piece (35) is tightly circumferentially distributed to form an elastic flow blocking disc, and the elastic flow blocking disc is located at the right side of the semicircular arc tube (14).
3. The exhaust gas waste heat recovery apparatus according to claim 1, wherein: the circulating cleaning drainage device (16) comprises movable bracket pieces, spiral groove track ring strips (17) and cleaning drainage vehicles, wherein the movable bracket pieces are provided with a plurality of groups and are respectively arranged in the connecting ring (13), the spiral groove track ring strips (17) are arranged in the middle of a heat exchange ring pipe (4) and penetrate through the middle of the plurality of groups of movable bracket pieces, the movable bracket pieces are used for carrying out auxiliary supporting and positioning on the spiral groove track ring strips (17), and the spiral groove track ring strips (17) are also provided with the cleaning drainage vehicles;
the cleaning drainage vehicle comprises a screw sleeve seat (18) and a cleaning rod brush (21), wherein the screw sleeve seat (18) is meshed with a spiral groove rail ring strip (17), a flow blocking fan (19) is arranged on the screw sleeve seat (18) through a damping shaft collar (20), the cleaning rod brush (21) is arranged on the outer ring side of a middle shaft of the flow blocking fan (19), the brush head at the outer end of the cleaning rod brush (21) is attached to the pipe wall of a heat exchange ring pipe (4), a conical top spring (28) is arranged on the middle shaft side end of the flow blocking fan (19), a cleaning brush (29) is arranged on the surface of the conical top spring (28), the conical top spring (28) is further sleeved on the spiral groove rail ring strip (17), the cleaning brush (29) is attached to the surface of the spiral groove rail ring strip (17), and the cleaning rod brush (21) and the conical top spring (28) are rotated together with the flow blocking fan (19) through the impact flow of waste gas so that the cleaning vehicle moves clockwise.
4. An exhaust gas waste heat recovery apparatus as claimed in claim 3, wherein: the movable bracket piece comprises a supporting bar groove (30) and supporting rods (31), wherein two groups of supporting bar grooves (30) are symmetrically formed in the inner wall of the connecting ring (13), the supporting rods (31) are rotatably arranged on the supporting bar groove (30) through reset torsion springs (33), the supporting bar groove (30) rotates clockwise, concave supporting clamping plates (32) are arranged at the other ends of the supporting bar groove (30), and the concave supporting clamping plates (32) clamp spiral groove rail ring strips (17).
5. An exhaust gas waste heat recovery apparatus as claimed in claim 3, wherein: the number of the cleaning drainage vehicles is two, the cleaning drainage vehicles further comprise a ring sleeve seat (22), a push rod (23) and a top wheel (24), the ring sleeve seat (22) is rotatably arranged on the screw sleeve seat (18) through a bearing, the radial push rod (23) is fixed on the outer ring side of the ring sleeve seat (22), the push rod (23) is provided with two groups, the other end of the push rod (23) is provided with a support wheel shell, the top wheel (24) is arranged in the support wheel shell through a bearing, the top wheel (24) is in rolling connection with the top wheel guide rail groove ring (26), and the top wheel guide rail groove ring (26) is embedded into the pipe wall of the heat exchange ring pipe (4);
the two groups of riding wheel shells in the inner ring or the outer ring of the cleaning drainage vehicle are respectively connected through steel wires (25), the steel wires (25) are arranged in steel wire guide rail groove rings (27), the steel wire guide rail groove rings (27) are arranged in the pipe wall of the heat exchange ring pipe (4), guide hanging rings (36) are arranged outside the steel wires (25), and the guide hanging rings (36) are arranged on the riding wheel shells.
6. An exhaust gas waste heat recovery apparatus as claimed in claim 3, wherein: the conical top spring is arranged towards the direction of the movable bracket piece, and the flow blocking fan (19) is arranged between the conical top spring and the ejector rod.
7. The exhaust gas waste heat recovery apparatus according to claim 5, wherein: the distance between the two groups of cleaning drainage vehicles along the spiral groove rail ring strip is not equal to the distance between the adjacent or diagonally arranged movable bracket pieces along the spiral groove rail ring strip, so that only one movable bracket is acted and opened when the cleaning drainage vehicles pass through the movable bracket pieces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889915.7A CN115235287B (en) | 2022-07-27 | 2022-07-27 | Waste gas waste heat recycling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889915.7A CN115235287B (en) | 2022-07-27 | 2022-07-27 | Waste gas waste heat recycling equipment |
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| CN115235287A CN115235287A (en) | 2022-10-25 |
| CN115235287B true CN115235287B (en) | 2023-10-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351247A2 (en) * | 1988-07-15 | 1990-01-17 | Roberts, E. Dawson | Recovery of heat from flue gases |
| KR20040078704A (en) * | 2003-03-04 | 2004-09-13 | 정아라 | Heat exchanger for wasted heat and its cleaning apparatus |
| WO2005054770A1 (en) * | 2003-12-05 | 2005-06-16 | Clyde Bergemann Gmbh | Compact soot blower |
| JP2011174661A (en) * | 2010-02-24 | 2011-09-08 | Mitsubishi Heavy Ind Ltd | Washing tool for heat exchanger, washing auxiliary tool for heat exchanger, and method of washing heat exchanger |
| CN209706603U (en) * | 2019-01-25 | 2019-11-29 | 南昌市博利达实业有限公司 | A kind of textile dyeing waste water residual heat recovering apparatus |
| CN111076188A (en) * | 2019-12-31 | 2020-04-28 | 湖南天桥环境科技有限公司 | Waste heat utilization device of garbage incinerator |
-
2022
- 2022-07-27 CN CN202210889915.7A patent/CN115235287B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0351247A2 (en) * | 1988-07-15 | 1990-01-17 | Roberts, E. Dawson | Recovery of heat from flue gases |
| KR20040078704A (en) * | 2003-03-04 | 2004-09-13 | 정아라 | Heat exchanger for wasted heat and its cleaning apparatus |
| WO2005054770A1 (en) * | 2003-12-05 | 2005-06-16 | Clyde Bergemann Gmbh | Compact soot blower |
| JP2011174661A (en) * | 2010-02-24 | 2011-09-08 | Mitsubishi Heavy Ind Ltd | Washing tool for heat exchanger, washing auxiliary tool for heat exchanger, and method of washing heat exchanger |
| CN209706603U (en) * | 2019-01-25 | 2019-11-29 | 南昌市博利达实业有限公司 | A kind of textile dyeing waste water residual heat recovering apparatus |
| CN111076188A (en) * | 2019-12-31 | 2020-04-28 | 湖南天桥环境科技有限公司 | Waste heat utilization device of garbage incinerator |
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| Publication number | Publication date |
|---|---|
| CN115235287A (en) | 2022-10-25 |
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