CN210625458U - Heat exchange device for waste heat boiler of petrochemical cracking furnace - Google Patents
Heat exchange device for waste heat boiler of petrochemical cracking furnace Download PDFInfo
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- CN210625458U CN210625458U CN201921182698.8U CN201921182698U CN210625458U CN 210625458 U CN210625458 U CN 210625458U CN 201921182698 U CN201921182698 U CN 201921182698U CN 210625458 U CN210625458 U CN 210625458U
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Abstract
The utility model discloses a heat exchange device for an exhaust-heat boiler of a petrochemical cracking furnace, which comprises two groups of heat exchange tubes and an installation shell, wherein the installation shell is symmetrically arranged at two sides of the heat exchange tubes, ash removing mechanisms are sleeved on the tube bodies of the heat exchange tubes, a connecting mechanism is arranged between the adjacent ash removing mechanisms, a longitudinal connecting rod is fixed between the connecting mechanisms, a moving mechanism is fixedly connected between the two groups of ash removing mechanisms close to one side of the installation shell, a driving mechanism is arranged inside the installation shell, the heat exchange device for the exhaust-heat boiler is provided with ash removing mechanisms on each heat exchange tube, then each group of ash removing mechanisms are connected through the connecting mechanism and the longitudinal connecting rod to form a whole, then the ash removing mechanisms are driven to move through the driving mechanism, and the ash removing mechanisms move back and forth on each heat exchange tube when moving back and forth, so that dust adhered on the heat exchange tubes can be removed, the heat exchange efficiency of the heat exchange tube is ensured.
Description
Technical Field
The utility model relates to a waste heat boiler's heat transfer technical field specifically is a heat transfer device that petrochemical industry pyrolysis furnace waste heat boiler was used.
Background
The waste heat boiler is composed of a boiler barrel, a movable smoke hood, a furnace mouth section flue, an inclined 1 section flue, an inclined 2 section flue, a feeding pipe (blanking chute), an oxygen lance mouth, a nitrogen sealing device, a nitrogen sealing plug, a manhole, a micro-differential pressure taking device, a flue support, a hanger and the like, the waste heat boiler is divided into six circulation loops, each circulation loop is composed of a descending pipe and an ascending pipe, feed water of each section of flue is introduced into a lower header of each flue from the boiler barrel through the descending pipe and then enters each heating surface, steam generated after water passes through the heating surface enters an inlet header, then is introduced into the boiler barrel through the ascending pipe, and the flues are connected by flanges.
The main purpose of exhaust-heat boiler is to carry out waste heat recovery, retrieve flue gas waste heat, reduce the pyrolysis furnace heat waste, some existing exhaust-heat boilers mostly adopt the form of heat exchange tube to carry out thermal exchange, get back to and retrieve flue gas's waste heat in proper order, but at the in-process of heat transfer, some granules in the heat transfer flue gas glue and apply on the heat exchange tube, then form thicker dirt, these dirt are thicker, then the heat exchange efficiency of heat exchange tube just is lower, for this reason, we propose a petrochemical industry heat transfer device that pyrolysis furnace waste heat boiler used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat transfer device that petrochemical industry pyrolysis furnace waste heat boiler was used to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a petrochemical industry heat transfer device that pyrolysis furnace waste heat boiler was used, includes heat exchange tube and installation shell, the installation shell is two sets of altogether, and the symmetry sets up the both sides at the heat exchange tube, the dusting mechanism has been cup jointed on the body of heat exchange tube, and is provided with coupling mechanism between the adjacent dusting mechanism, be fixed with the longitudinal tie rod between the coupling mechanism, be close to fixedly connected with moving mechanism between two sets of dusting mechanisms of one side of installation shell, the inside of installation shell is provided with actuating mechanism, the one end that the heat exchange tube was kept away from to moving mechanism passes one side of installation shell and inside it is connected actuating mechanism's output.
Preferably, the dust removing mechanism comprises a first half ring, a second half ring, a brush body and a first clamping mechanism, wherein first grooves are formed in two ends of the first half ring, first clamping holes are formed in the outer side of the first half ring and communicated with the first grooves, insertion plates are fixed to two sides of the second half ring, the first clamping mechanism is arranged on the insertion plates, the insertion plates are clamped on the first clamping holes through the first clamping mechanism, the brush body is fixed to the inner ring of the first half ring and the inner ring of the second half ring, and the connecting mechanisms are fixedly connected to the surfaces of the first half ring and the second half ring respectively.
Preferably, the first clamping mechanism comprises a first spring and a semicircular clamping block, a first clamping groove is formed in the plug board, the first spring is fixed in a groove of the first clamping groove, the plane position of the semicircular clamping block is fixed on the first annular spring, and the plug board can be clamped on the first clamping hole through the semicircular clamping block.
Preferably, coupling mechanism includes fixed block, regulating block and second clamping mechanism, the fixed block with the regulating block is fixed respectively adjacently on the dusting mechanism, the fixed block is kept away from the second recess has been seted up to the one end of dusting structure, first clamping mechanism sets up on the fixed block, the second joint recess has been seted up to the equidistance on the regulating block, the fixed block passes through second clamping mechanism with second joint recess joint.
Preferably, the second clamping mechanism includes backing sheet, joint post, second spring and pulling block, the third recess has been seted up to one side of fixed block, the joint post runs through the third recess, just the joint post with fixed block sliding connection, the backing sheet is fixed on the joint post, just the backing sheet is located the third recess, the both ends of second spring respectively with the backing sheet with the cell wall fixed connection of third recess, pulling block fixes and is served at one of joint post.
Preferably, the moving mechanism comprises a U-shaped connecting frame and a moving block, the U-shaped connecting port is fixedly connected with the side surface of the first half ring, a strip-shaped through hole is formed in one side, close to the heat exchange tube, of the installation shell, the U-shaped connecting frame penetrates through the strip-shaped through hole and is in sliding connection with the strip-shaped through hole, the moving block is fixed on the U-shaped connecting frame, and the moving block is in threaded connection with the output end of the driving mechanism.
Preferably, the driving mechanism includes a motor, a movable lead screw and a bearing seat, the motor is fixed in the housing of the mounting housing, one end of the movable lead screw is fixed on the output end of the motor, the bearing seat is fixed in the mounting housing, one end of the movable lead screw, which is far away from the motor, is rotatably connected to the bearing seat, and the movable block is in threaded connection with the movable lead screw.
Preferably, a protective shell is fixed on the outer side of the motor, and the protective shell is fixed inside the installation shell.
Preferably, a sliding block is fixed on one side of the moving block, a sliding groove is formed in the inner shell wall of the installation shell, and the sliding block is connected with the shell wall of the installation shell in a sliding mode through the sliding groove.
Preferably, a mounting plate is fixed on the mounting housing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses at first all be provided with deashing mechanism on every heat exchange tube, then link up every deashing mechanism of group through coupling mechanism and longitudinal tie pole, constitute a whole with it, then drive this deashing mechanism motion through actuating mechanism, its round trip motion on every heat exchange tube of time, like this alright get rid of with the dirt that will paste and apply on the heat exchange tube, guarantee the heat exchange efficiency of heat exchange tube.
2. The utility model discloses design into the two parts that can unpack apart with wiper mechanism, the wiper mechanism of being convenient for like this installs on the heat exchange tube, designs into the coupling mechanism between the wiper mechanism in addition and can adjust, and the wiper mechanism's of not only being convenient for like this installation between adjacent can adjust the distance between the adjacent wiper mechanism moreover, is suitable for the heat exchange tube of different grade type.
3. The utility model discloses set up protective housing, prevent that the flue gas from causing the damage to the motor after getting into the installation shell, in addition, set up spacing recess and sliding block, can play certain limiting displacement to the motion of sliding block, set up the mounting panel on the installation shell, be convenient for with the installation of mounting panel.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another orientation;
FIG. 3 is a schematic front view of the structure of FIG. 2;
FIG. 4 is a partial cross-sectional structural schematic view of the mounting housing;
FIG. 5 is a schematic view of the structure of FIG. 4 in another orientation;
FIG. 6 is a schematic front view of the structure of FIG. 5;
FIG. 7 is a partial cross-sectional structural schematic view of the drive mechanism;
FIG. 8 is an enlarged view of area A of FIG. 7;
FIG. 9 is an enlarged view of the area B in FIG. 7;
FIG. 10 is an exploded view of the connecting mechanism;
FIG. 11 is a schematic partial cross-sectional view of FIG. 10;
FIG. 12 is an enlarged view of the area C in FIG. 11;
FIG. 13 is an exploded view of the ash removal mechanism;
FIG. 14 is a partial cross-sectional structural view of FIG. 13;
fig. 15 is an enlarged schematic view of region D in fig. 14.
In the figure: 1-heat exchange tube; 2-installing a shell; 3-a dust removing mechanism; 4-a connection mechanism; 5-longitudinal connecting rods; 6-a moving mechanism; 7-a drive mechanism; 8-a first half-ring; 9-a second half ring; 10-a brush body; 11-a first clamping mechanism; 12-a first groove; 13-a first snap-in hole; 14-a plugboard; 15-a first spring; 16-a semicircular clamping block; 17-a first clamping groove; 18-fixing block; 19-a conditioning block; 20-a second clamping mechanism; 21-a second groove; 22-a second clamping groove; 23-a support sheet; 24-a clamping column; 25-a second spring; 26-a pulling block; 27-a third groove; 28-U-shaped connecting frames; 29-a moving block; 30-strip-shaped through holes; 31-a motor; 32-a movable screw rod; 33-a bearing seat; 34-a protective housing; 35-a slider; 36-a sliding groove; 37-mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-15, the present invention provides a technical solution: the utility model provides a heat transfer device that petrochemical industry pyrolysis furnace waste heat boiler was used, includes heat exchange tube 1 and installation shell 2, installation shell 2 is totally two sets ofly, and the symmetry sets up the both sides at heat exchange tube 1, ash removal mechanism 3 has been cup jointed on the body of heat exchange tube 1, and is provided with coupling mechanism 4 between the adjacent ash removal mechanism 3, be fixed with longitudinal tie 5 between the coupling mechanism 4, be close to fixedly connected with moving mechanism 6 between two sets of ash removal mechanism 3 of one side of installation shell 2, the inside of installation shell 2 is provided with actuating mechanism 7, moving mechanism 6 is kept away from the one end of heat exchange tube 1 and is passed one side of installation shell 2 is rather than inside actuating mechanism 7's output is connected.
The ash removing mechanism 3 comprises a first half ring 8, a second half ring 9, a brush body 10 and a first clamping mechanism 11, first grooves 12 are formed in two ends of the first half ring 8, first clamping holes 13 are formed in the outer side of the first half ring 8, the first clamping holes 13 are communicated with the first grooves 12, insertion plates 14 are fixed to two sides of the second half ring 9, the first clamping mechanism 11 is arranged on the insertion plates 14, the insertion plates 14 are clamped on the first clamping holes 13 through the first clamping mechanism 11, the first half ring 8 and the inner ring of the second half ring 9 are fixed to the brush body 10, and the connecting mechanism 4 is fixedly connected to the surfaces of the first half ring 8 and the second half ring 9 respectively.
The first clamping mechanism 11 comprises a first spring 15 and a semicircular clamping block 16, a first clamping groove 17 is formed in the plug board 14, the first spring 15 is fixed in a groove of the first clamping groove 17, the plane position of the semicircular clamping block 16 is fixed on the first annular spring, and the plug board 14 can be clamped on the first clamping hole 13 through the semicircular clamping block 16.
The ash removing mechanism 3 is designed into two detachable parts, namely a first half ring 8 and a second half ring 9, and the first half ring and the second half ring are both fixedly provided with a brush body 10 which can remove ash from the heat exchange pipe 1, when the ash removing mechanism is installed, the plug board 14 on the second half ring 9 is inserted into the second groove 21, in the inserting process, the first spring 15 is extruded, the semicircular clamping block 16 at the moment is contracted into the first clamping groove 17, when the plug board 14 is completely inserted into the first groove 12, the semicircular clamping block 16 is clamped on the first clamping hole 13 under the action of the first spring 15.
After the ash removing mechanism 3 is installed, the ash removing mechanisms 3 between adjacent ash removing mechanisms are connected through the connecting mechanism 4, the adjusting block 19 is firstly inserted into the second groove 21 on the fixing block 18, when the ash removing mechanisms are inserted, the clamping column 24 is pulled through the pulling block 26, the supporting sheet 23 is fixed on the clamping column 24, the supporting sheet 23 extrudes the second spring 25, then the second clamping grooves 22 at different positions on the adjusting block 19 are inserted below the clamping column 24, when the port of the clamping column 24 is aligned to the second clamping groove 22, the pulling block 26 is loosened, the clamping column 24 is clamped in the second clamping groove 22 under the action of the second spring 25, in this way, the adjusting block 19 and the fixing block 18 can be relatively fixed, and the distance between the adjacent ash removing mechanisms 3 can be realized by adjusting the second clamping grooves 22 at different positions.
The moving mechanism 6 comprises a U-shaped connecting frame 28 and a moving block 29, the ends of the U-shaped connecting frame are fixedly connected with the side surfaces of the first half rings 8, a strip-shaped through hole 30 is formed in one side, close to the heat exchange tube 1, of the installation shell 2, the U-shaped connecting frame 28 penetrates through the strip-shaped through hole 30 and is in sliding connection with the strip-shaped through hole 30, the moving block 29 is fixed on the U-shaped connecting frame 28, and the moving block 29 is in threaded connection with the output end of the driving mechanism 7.
The driving mechanism 7 comprises a motor 31, a movable screw rod 32 and a bearing seat 33, the motor 31 is fixed in the shell of the mounting shell 2, one end of the movable screw rod 32 is fixed on the output end of the motor 31, the bearing seat 33 is fixed in the mounting shell, one end of the movable screw rod 32, which is far away from the motor 31, is rotatably connected to the bearing seat 33, and the moving block 29 is in threaded connection with the movable screw rod 32.
A protective casing 34 is fixed on the outer side of the motor 31, and the protective casing 34 is fixed inside the installation casing 2.
A sliding block 35 is fixed on one side of the moving block 29, a sliding groove 36 is formed in the inner shell wall of the installation shell 2, the sliding block 35 is connected with the shell wall of the installation shell 2 in a sliding mode through the sliding groove 36, and an installation plate 37 is fixed on the installation shell 2.
The working principle is as follows: after the ash removing mechanisms 3 of each group are arranged on the heat exchange tube 1, the mounting shell 2 is arranged on the inner wall of the waste heat boiler through the mounting plate 37, when the waste heat boiler works, the output end of the motor 31 drives the movable screw rod 32 to rotate, the sliding block 35 moves on the movable screw rod 32 due to the threaded connection of the sliding block 35 and the movable screw rod 32, the sliding block 35 moves to drive the U-shaped connecting frame 28 to slide in the strip-shaped through hole 30, the U-shaped frame drives the ash removing mechanisms 3 to move, the ash removing mechanisms 3 move back and forth on the heat exchange tube 1 under the action of the U-shaped connecting frame 28, the adhered dust and dirt on the heat exchange tube 1 can be removed through the brush bodies 10 on the first half ring 8 and the second half ring 9, the brush bodies 10 are made of high-temperature resistant materials, so that the heat exchange tube has certain heat resistance, the other two groups of motors 31 are in the same working state, mainly facilitating the driving of the ash removing mechanism 3 on the heat exchange tube 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a heat transfer device that petrochemical industry pyrolysis furnace waste heat boiler was used, includes heat exchange tube (1) and installation shell (2), installation shell (2) are two sets of altogether, and the symmetry sets up in the both sides of heat exchange tube (1), its characterized in that: the pipe body of the heat exchange pipe (1) is sleeved with a dust removing mechanism (3), a connecting mechanism (4) is arranged between the adjacent dust removing mechanisms (3), a longitudinal connecting rod (5) is fixed between the connecting mechanism (4) and is close to a moving mechanism (6) fixedly connected between two sets of dust removing mechanisms (3) on one side of the installation shell (2), a driving mechanism (7) is arranged inside the installation shell (2), one end, far away from the heat exchange pipe (1), of the moving mechanism (6) penetrates through one side of the installation shell (2) and the inner portion of the installation shell, and the output end of the driving mechanism (7) is connected.
2. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 1, wherein: the ash removing mechanism (3) comprises a first half ring (8), a second half ring (9), a brush body (10) and a first clamping mechanism (11), two ends of the first half ring (8) are provided with first grooves (12), the outer side of the first half ring (8) is provided with first clamping holes (13), the first clamping hole (13) is communicated with the first groove (12), the two sides of the second half ring (9) are fixed with inserting plates (14), the first clamping mechanism (11) is arranged on the plug board (14), the plug board (14) is clamped on the first clamping hole (13) through the first clamping mechanism (11), the inner rings of the first half ring (8) and the second half ring (9) are both fixed with the brush body (10), the connecting mechanism (4) is fixedly connected to the surfaces of the first half ring (8) and the second half ring (9) respectively.
3. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 2, wherein: first clamping mechanism (11) include first spring (15) and semicircle joint piece (16), first joint recess (17) have been seted up on plugboard (14), first spring (15) are fixed in the inslot of first joint recess (17), the plane position of semicircle joint piece (16) is fixed on first annular spring, plugboard (14) can pass through semicircle joint piece (16) joint is on first joint hole (13).
4. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 3, wherein: coupling mechanism (4) are including fixed block (18), regulating block (19) and second clamping mechanism (20), fixed block (18) with regulating block (19) are fixed respectively and are adjacent on dusting mechanism (3), fixed block (18) are kept away from second recess (21) have been seted up to the one end of dusting mechanism (3), first clamping mechanism (11) set up on fixed block (18), second clamping recess (22) have been seted up to equidistance on regulating block (19), fixed block (18) are passed through second clamping mechanism (20) with second clamping recess (22) joint.
5. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 4, wherein: second clamping mechanism (20) includes backing sheet (23), joint post (24), second spring (25) and pulling piece (26), third recess (27) have been seted up to one side of fixed block (18), joint post (24) run through third recess (27), just joint post (24) with fixed block (18) sliding connection, backing sheet (23) are fixed on joint post (24), just backing sheet (23) are located third recess (27), the both ends of second spring (25) respectively with backing sheet (23) with the cell wall fixed connection of third recess (27), it fixes to pull piece (26) serve on one of joint post (24).
6. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 2, wherein: the moving mechanism (6) comprises a U-shaped connecting frame (28) and a moving block (29), the end openings of the U-shaped connecting frame are fixedly connected with the side face of the first half ring (8), a strip-shaped through hole (30) is formed in one side, close to the heat exchange tube (1), of the mounting shell (2), the U-shaped connecting frame (28) penetrates through the strip-shaped through hole (30) and is in sliding connection with the strip-shaped through hole (30), the moving block (29) is fixed on the U-shaped connecting frame (28), and the moving block (29) is in threaded connection with the output end of the driving mechanism (7).
7. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 6, wherein: the driving mechanism (7) comprises a motor (31), a movable screw rod (32) and a bearing seat (33), the motor (31) is fixed in the shell of the mounting shell (2), one end of the movable screw rod (32) is fixed at the output end of the motor (31), the bearing seat (33) is fixed in the mounting shell, one end, far away from the motor (31), of the movable screw rod (32) is rotatably connected to the bearing seat (33), and the moving block (29) is in threaded connection with the movable screw rod (32).
8. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 7, wherein: a protective shell (34) is fixed on the outer side of the motor (31), and the protective shell (34) is fixed inside the installation shell (2).
9. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 7, wherein: a sliding block (35) is fixed on one side of the moving block (29), a sliding groove (36) is formed in the wall of the inner shell of the mounting shell (2), and the sliding block (35) is connected with the wall of the mounting shell (2) in a sliding mode through the sliding groove (36).
10. The heat exchange device for the petrochemical cracking furnace waste heat boiler according to claim 1, wherein: and a mounting plate (37) is fixed on the mounting shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182698.8U CN210625458U (en) | 2019-07-25 | 2019-07-25 | Heat exchange device for waste heat boiler of petrochemical cracking furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182698.8U CN210625458U (en) | 2019-07-25 | 2019-07-25 | Heat exchange device for waste heat boiler of petrochemical cracking furnace |
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| CN210625458U true CN210625458U (en) | 2020-05-26 |
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| CN201921182698.8U Active CN210625458U (en) | 2019-07-25 | 2019-07-25 | Heat exchange device for waste heat boiler of petrochemical cracking furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274513A (en) * | 2019-07-25 | 2019-09-24 | 江阴德耐特重工科技有限公司 | A kind of heat-exchanger rig of petrochemical industry pyrolysis furnace waste heat boiler |
-
2019
- 2019-07-25 CN CN201921182698.8U patent/CN210625458U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274513A (en) * | 2019-07-25 | 2019-09-24 | 江阴德耐特重工科技有限公司 | A kind of heat-exchanger rig of petrochemical industry pyrolysis furnace waste heat boiler |
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