CN116242198B - Raw oil heat exchanger - Google Patents
Raw oil heat exchanger Download PDFInfo
- Publication number
- CN116242198B CN116242198B CN202310432684.1A CN202310432684A CN116242198B CN 116242198 B CN116242198 B CN 116242198B CN 202310432684 A CN202310432684 A CN 202310432684A CN 116242198 B CN116242198 B CN 116242198B
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- Prior art keywords
- heat exchange
- lifting
- cleaning
- plate
- heat transfer
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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
- F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
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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
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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
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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
- F28G15/04—Feeding and driving arrangements, e.g. power operation
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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
- F28G3/00—Rotary appliances
- F28G3/10—Rotary appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
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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
- F28G2015/006—Arrangements for processing a cleaning fluid after use, e.g. filtering and recycling
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- 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 relates to the technical field of raw oil heat exchange, in particular to a raw oil heat exchanger. Including heat exchanger body, frame, the heat exchanger body is including heat exchange plate, screw thread depression bar and outer frame, four tip of heat exchange plate are connected with four heat exchange tubes respectively, the heat exchange plate both sides all are equipped with the rectangle recess that is used for intercommunication wherein two heat exchange tubes, form the heat transfer cavity that is used for the heat transfer between every two adjacent heat exchange plates, still including being used for in-process clean system to the heat exchange plate at the operation, clean system of face is including clean mechanism of face, pipeline clean mechanism and filtration collection mechanism, clean mechanism of face is including lifting unit and the clean subassembly of in-plate passageway, lifting unit is all transmitted with the clean subassembly of a plurality of in-plate passageways and is connected. The invention can perform self-cleaning in the normal operation process of the equipment, maintain the heat exchange efficiency of the heat exchanger body, filter and separate oil stains and the like, improve the duration of single use and reduce the maintenance cleaning frequency and times.
Description
Technical Field
The invention relates to the technical field of raw oil heat exchange, in particular to a raw oil heat exchanger.
Background
In many oil recovery processes, settling, stabilization and purification of crude oil are a special process: in the stabilizing link, the crude oil needs to be heated to the temperature above 105 ℃ before entering the stabilizing tower, and the crude oil does not need to meet the high-temperature requirement in the subsequent purifying and conveying processes. Therefore, if the excessive heat in the link is not reasonably and effectively recycled, white heat is likely to be lost in the subsequent production flow.
In order to avoid heat loss, in the prior art, a plate heat exchanger is adopted to recycle heat.
The existing shell and tube heat exchanger can cause the equipment to be blocked by scale after long-term operation, the plate heat exchanger is formed by uniformly arranging a plurality of heat exchange plates, rectangular channels for heat exchange are arranged between adjacent heat exchange plates, after long-time use, oil stains, impurities and the like can be accumulated on the surface of the equipment, the efficiency is reduced, the energy consumption is increased, the service life is shortened, if the oil stains, the impurities and the like cannot be timely removed, the risks of equipment maintenance, shutdown or scrapping replacement can be faced, the heat conduction efficiency is influenced, the heat exchange plates of the plate heat exchanger need to be independently cleaned after all being removed during normal maintenance, and because the plates of the plate heat exchanger are more, the manual disassembly is inconvenient, the efficiency is low, and cleaning and maintenance are needed after a period of use, the production efficiency is influenced, and the inside cannot be cleaned in the use process.
Disclosure of Invention
Based on this, it is necessary to provide a raw oil heat exchanger against the prior art problems.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the invention provides a raw oil heat exchanger, which comprises a heat exchanger body and a frame, wherein the heat exchanger body comprises a heat exchange plate, a threaded compression bar and an outer frame, the heat exchanger body is arranged on the frame, the heat exchange plate is densely distributed with a plurality of heat exchange pipes along the length direction of the heat exchanger body, four ends of the heat exchange plate are respectively connected with four heat exchange pipes, rectangular grooves for communicating two of the heat exchange pipes are respectively arranged on two sides of the heat exchange plate, a heat exchange cavity for exchanging heat is formed between every two adjacent heat exchange plates, raw oil with different heat is respectively introduced into the two adjacent heat exchange cavities to realize the heat exchange function, one heat exchange cavity is communicated with two heat exchange pipes which are diagonally arranged up and down, the adjacent heat exchange cavity is communicated with the other two heat exchange pipes, the two adjacent heat exchange cavities are heat exchange plates, the whole heat exchange cavity is rectangular, the junction that heat transfer cavity and heat exchange tube extends one section arc chamber and heat exchange tube intercommunication, still including being used for in the operation in-process clean system to the heat exchange plate, clean system is including the clean mechanism of face, its characterized in that, clean system is still including clean mechanism of pipeline and filtration collection mechanism, clean mechanism of pipeline is equipped with four groups, clean mechanism of four groups pipeline is located four heat exchange tubes respectively, filtration collection mechanism installs the end at the heat exchange tube, clean mechanism of face is including lifting unit and the clean subassembly of in-plane passageway, lifting unit fixed mounting is at the frame top, the clean subassembly of in-plane passageway is including a plurality of groups, the clean subassembly of in-plane passageway of a plurality of heat exchange cavity one-to-one that forms each other of a plurality of group and all heat exchange plates, lifting unit and the clean subassembly of in-plane passageway of a plurality of groups are all transmitted and are connected.
Preferably, the lifting assembly comprises a lifting driver, a lifting plate, lifting rods and a connecting seat, wherein the lifting plate is horizontally arranged right above the heat exchanger body, the lifting plate can be vertically lifted and installed on the frame, the lifting driver is fixedly installed on the frame, the output end of the lifting driver is fixedly connected with the lifting plate, the lifting rods are provided with a plurality of lifting rods, the lifting rods are vertically arranged between the lifting plate and the heat exchanger body, every two lifting rods correspond to a group of in-plate channel cleaning assemblies, one ends of the lifting rods are fixedly connected with the lifting plate, the connecting seat is provided with a plurality of connecting seats and a plurality of lifting rods in one-to-one correspondence, the connecting seat is installed at one end of the lifting rod, far away from the lifting plate, one end of the connecting seat, which is in transmission connection with one end of the in-plate channel cleaning assembly, the top of the heat exchange plate is provided with a semicircular installation groove, two adjacent heat exchange plates are attached through the circular installation grooves which are vertically arranged, sealing rubber rings for sealing the lifting rods are installed in the arc-shaped grooves, and the ends of the lifting rods penetrate through the sealing rubber rings to extend into the heat exchange cavity.
In one aspect, the cleaning component of the in-board channel is a strip-shaped scraping plate, the length of the strip-shaped scraping plate is consistent with that of the heat exchange cavity, and the connecting seat is fixedly connected with the strip-shaped scraping plate.
Preferably, the strip-shaped scraping plate is in an inverted V shape, and the blade points at two sides of the bottom end of the strip-shaped scraping plate are attached to the side walls of the rectangular grooves of the heat exchange plate.
In another aspect, the cleaning component of the channel in the plate surface is a rotatable cleaning roller, the cleaning roller is in transmission connection with the connecting seat, the diameter length of the cleaning roller is consistent with the width of the heat exchange cavity, and the outer ring of the cleaning roller is fixedly sleeved with a flexible brush.
Preferably, the plate surface cleaning mechanism further comprises a plurality of groups of linkage rotating assemblies, the plurality of groups of linkage rotating assemblies are in one-to-one correspondence with the plurality of lifting rods, the lifting rods are in transmission connection with the linkage rotating assemblies, and the linkage rotating assemblies are in transmission connection with the cleaning rollers.
Preferably, the linkage rotating assembly comprises a fixing frame, a rack and a synchronous transmission device, the fixing frame fixedly arranged in the machine frame and located beside the lifting rod, an avoidance groove for avoiding the fixing frame is formed in the lifting plate, the rack is vertically and fixedly arranged in the fixing frame, the synchronous belt transmission device is arranged in the lifting rod and comprises a first gear, a second gear and a synchronous belt, the first gear can be rotatably arranged at the top end of the lifting rod, the second gear can be rotatably arranged on the connecting seat, the second gear and the cleaning roller are coaxially arranged, buckles are arranged on side walls of two sides of the second gear, end covers capable of being dismounted are arranged at the end parts of the cleaning roller, an installation ring groove for installing the connecting seat is formed in the cleaning roller, clamping grooves matched with the buckles are formed in the end parts of the cleaning roller, the cleaning roller is fixedly connected with the second gear through the cooperation of the buckles and the clamping grooves, the first gear is meshed with the rack, the synchronous belt is sleeved on the first gear and the second gear, and the fixing rod is fixedly connected with the machine frame.
Preferably, the pipeline cleaning mechanism comprises a rotating shaft, a spiral fan blade and an arc-shaped scraping plate, wherein the rotating shaft is fixedly arranged in the heat exchange tube, the rotating shaft and the heat exchange tube are coaxially arranged, one end of the rotating shaft is arranged on one side, far away from the heat exchange plate, of the heat exchange tube through a bearing, the spiral fan blade and the arc-shaped scraping plate are fixedly arranged on the rotating shaft, the length of the arc-shaped scraping plate is matched with that of the heat exchange tube, and the outer side wall of the arc-shaped scraping plate is attached to the inner side wall of the heat exchange tube.
Preferably, the filtering and collecting mechanism comprises two solid-liquid separators, two first connecting pipes and two first electromagnetic valves, wherein the two solid-liquid separators are respectively arranged on the heat exchange pipe at one side of the liquid outlet end of the heat exchanger body, one end of each first connecting pipe is communicated with the heat exchange pipe, the other end of each first connecting pipe is communicated with the corresponding solid-liquid separator, and the first electromagnetic valve is arranged on each first connecting pipe.
Preferably, the filtering and collecting mechanism further comprises two second connecting pipes, two second electromagnetic valves and two waste collecting boxes arranged at the bottom of the heat exchanger body, wherein the two waste collecting boxes are respectively communicated with a plurality of heat exchange cavities arranged at intervals, one ends of the two second connecting pipes are respectively communicated with the interiors of the two waste collecting boxes, the other ends of the two second connecting pipes are respectively communicated with two solid-liquid separators, and the two second electromagnetic valves are respectively arranged on the two second connecting pipes.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the cleaning system is additionally arranged on the heat exchanger body, impurities cleaned by the channel cleaning assembly and the pipeline cleaning mechanism in the plate surface are recovered through the filtering and collecting mechanism, raw oil and stains are separated, self-cleaning is performed in the normal operation process of equipment, the service life is prolonged, the heat exchange efficiency of the heat exchanger body is maintained, oil stains and the like can be filtered and separated, the single use time is prolonged, the maintenance and cleaning frequency and times are reduced, and the working efficiency is greatly improved.
2. The contact of cleaning roller and rectangle recess is flexible contact, and the cleaning effect is erased the rectangle recess inner wall through rotatory in-process, avoids collapsing tooth or the circumstances of wearing and tearing that rigid contact leads to, and flexible brush extrudees in the heat transfer cavity, can guarantee the laminating effect of flexible brush and rectangle recess inner wall, can prevent to produce great friction again and lead to wearing and tearing, has improved duration of use, further reduces the frequency of maintenance
3. When the pipeline cleaning mechanism works, the raw oil drives the spiral fan blades to rotate in the conveying process to serve as a power source, so that a driving source is not needed to be additionally provided, the cleaning function can be automatically realized in the use process of the heat exchanger, and the cleaning effect is improved.
Drawings
FIG. 1 is a schematic perspective view of a crude oil heat exchanger;
FIG. 2 is a side view of a feed oil heat exchanger;
FIG. 3 is a schematic diagram showing a perspective view of a raw oil heat exchanger;
FIG. 4 is a top view of a portion of the structure of a feed oil heat exchanger;
FIG. 5 is a cross-sectional view at A-A in FIG. 4;
FIG. 6 is a schematic view showing a partial perspective view of a heat exchange plate and in-plane channel cleaning assembly in a first embodiment of a raw oil heat exchanger;
FIG. 7 is a schematic perspective view of an in-plane channel cleaning assembly in a feed oil heat exchanger;
FIG. 8 is a schematic perspective view of a heat exchanger body in a raw oil heat exchanger;
FIG. 9 is a schematic perspective view of a pipeline cleaning mechanism in a raw oil heat exchanger;
FIG. 10 is a schematic perspective view of a second embodiment of a feed oil heat exchanger;
FIG. 11 is a schematic perspective view of a plate in-plane channel cleaning assembly in a second embodiment of a feed oil heat exchanger;
FIG. 12 is a schematic view of a portion of a perspective view of a second embodiment of a feed oil heat exchanger;
fig. 13 is a side view of a plate in-plane channel cleaning assembly in a second embodiment of a feed oil heat exchanger.
The reference numerals in the figures are:
1. a heat exchanger body; 2. a frame; 3. a heat exchange plate; 4. a threaded compression bar; 5. an outer frame; 6. a heat exchange tube; 7. rectangular grooves; 8. a heat exchange cavity; 9. a board surface cleaning mechanism; 10. a pipeline cleaning mechanism; 11. a filtering and collecting mechanism; 12. a lifting driver; 13. a lifting plate; 14. a lifting rod; 15. a connecting seat; 16. a semicircular mounting groove; 17. sealing the rubber ring; 18. a long strip-shaped scraping plate; 19. a cleaning roller; 20. a fixing frame; 21. a rack; 22. a first gear; 23. a second gear; 24. a synchronous belt; 25. a buckle; 26. an end cap; 27. installing a ring groove; 28. a clamping groove; 29. a rotating shaft; 30. spiral fan blades; 31. an arc-shaped scraping plate; 32. a solid-liquid separator; 33. a first connection pipe; 34. a first electromagnetic valve; 35. a second connection pipe; 36. a second electromagnetic valve; 37. and a waste collection box.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
The raw oil heat exchanger as shown in figures 1-13 comprises a heat exchanger body 1 and a frame 2, wherein the heat exchanger body 1 comprises a heat exchange plate 3, a threaded compression bar 4 and an outer frame 5, the heat exchanger body 1 is arranged on the frame 2, the heat exchange plate 3 is densely distributed with a plurality of heat exchange pipes 6 along the length direction of the heat exchanger body 1, four ends of the heat exchange plate 3 are respectively connected with four heat exchange pipes 6, rectangular grooves 7 for communicating two of the heat exchange pipes 6 are respectively arranged on two sides of the heat exchange plate 3, heat exchange cavities 8 for exchanging heat are formed between every two adjacent heat exchange plates 3, raw oil with different heat is respectively introduced into the two adjacent heat exchange cavities 8 to realize the heat exchange function, one heat exchange cavity 8 is communicated with two heat exchange pipes 6 which are diagonally arranged up and down, the heat exchange cavity 8 adjacent to the heat exchange cavity is communicated with the other two heat exchange pipes 6, the heat exchange plate 3 is arranged between the two adjacent heat exchange cavities 8, the whole heat exchange cavity is rectangular, a section of arc-shaped cavity extends from the joint of the heat exchange cavity 8 and the heat exchange tube 6 to be communicated with the heat exchange tube, the heat exchange cavity further comprises a cleaning system for cleaning the heat exchange plate 3 in the operation process, the cleaning system comprises a plate surface cleaning mechanism 9, and is characterized in that the cleaning system further comprises a pipeline cleaning mechanism 10 and a filtering and collecting mechanism 11, the pipeline cleaning mechanism 10 is provided with four groups, the four groups of pipeline cleaning mechanisms 10 are respectively positioned in the four heat exchange tubes 6, the filtering and collecting mechanism 11 is arranged at the tail end of the heat exchange tube 6, the plate surface cleaning mechanism 9 comprises a lifting assembly and an in-plate surface channel cleaning assembly, the lifting assembly is fixedly arranged at the top of the frame 2, the in-plate surface channel cleaning assembly comprises a plurality of groups, the in-plate surface channel cleaning assemblies of the groups are in one-to-one correspondence with the heat exchange cavities 8 formed between all the heat exchange plates 3, the lifting component is in transmission connection with a plurality of groups of in-board channel cleaning components.
According to the invention, the cleaning system is additionally arranged on the heat exchanger body 1, so that the automatic cleaning function of the heat exchanger body 1 in the operation process is realized, the heat exchanger can clean the internal heat exchange channel in a non-stop state, oil stains and the like can be filtered and separated, the duration of single use is prolonged, the maintenance cleaning frequency and times are reduced, and the working efficiency is greatly improved.
The plate surface cleaning mechanism 9 can clean the heat exchange cavity 8 between the heat exchange plates 3, the lifting operation drives the lifting of the plate surface channel cleaning assembly, the impurity removal is carried out on the side wall of the heat exchange cavity 8 when the plate surface channel cleaning assembly is lifted, the cleaning of the inside of the heat exchange cavity 8 is kept, the pipeline cleaning mechanism 10 cleans the pipe walls of the four heat exchange pipes 6, the synchronous cleaning is carried out on the channels corresponding to the heat exchange pipes 6 on the heat exchange plates 3, the impurities cleaned by the plate surface channel cleaning assembly and the pipeline cleaning mechanism 10 are recovered through the filtering and collecting mechanism 11, the raw oil and the stains are separated, the self-cleaning is carried out in the normal operation process of equipment, the service life is prolonged, the heat exchange efficiency of the heat exchanger body 1 is kept, and the maintenance frequency is reduced.
The lifting assembly comprises a lifting driver 12, lifting plates 13, lifting rods 14 and connecting seats 15, wherein the lifting plates 13 are horizontally arranged right above the heat exchanger body 1, the lifting plates 13 can vertically lift and are arranged on the frame 2, the lifting driver 12 is fixedly arranged on the frame 2, the output ends of the lifting drivers 12 are fixedly connected with the lifting plates 13, the lifting rods 14 are provided with a plurality of lifting rods 14, the lifting rods 14 are vertically arranged between the lifting plates 13 and the heat exchanger body 1, each two lifting rods 14 correspond to a group of in-board channel cleaning assemblies, one ends of the lifting rods 14 are fixedly connected with the lifting plates 13, the connecting seats 15 are provided with a plurality of connecting seats 15 and a plurality of lifting rods 14, the connecting seats 15 are arranged at one ends of the lifting rods 14 far away from the lifting plates 13, the connecting seats 15 are in transmission connection with one ends of the in-board channel cleaning assemblies, the tops of the heat exchanger plates 3 are provided with semicircular mounting grooves 16, two adjacent avoidance plates 3 are attached to form a circular mounting groove which is vertically arranged, sealing rubber rings 17 for sealing the lifting rods 14 are arranged in the arc grooves, and the ends of the sealing rubber rings 17 extend into the heat exchange rubber cavities 8.
When the lifting assembly works, the lifting plate 13 is driven to lift through the lifting driver 12, the lifting plate 13 drives a plurality of lifting rods 14 fixedly connected with the lifting plate 13 to lift synchronously when the lifting plate descends, the lifting rods 14 drive connecting seats 15 connected with the lifting rods to lift synchronously, every two connecting seats 15 drive a cleaning assembly of the in-plane channel to lift synchronously, every two connecting seats 15 can synchronously drive two ends of the cleaning assembly of the same in-plane channel, stability of the cleaning assembly of the in-plane channel in the lifting process is guaranteed, and cleaning operation is carried out on inner walls of rectangular grooves 7 of heat exchange plates 3 adjacent to two sides of the cleaning assembly of the in-plane channel when the cleaning assembly of the in-plane channel lifts.
The sealing rubber ring 17 is arranged in the circular mounting groove formed by combining the two semicircular mounting grooves 16, and the sealing effect of the lifting rod 14 and the heat exchanger body 1 in the lifting process is guaranteed through the sealing rubber ring 17.
The cleaning component of the in-plate channel is a strip-shaped scraping plate 18, the length of the strip-shaped scraping plate 18 is consistent with that of the heat exchange cavity 8, and the connecting seat 15 is fixedly connected with the strip-shaped scraping plate 18.
In the first embodiment, the in-board channel cleaning assembly is a strip scraper 18, dirt on the inner wall of the rectangular groove 7 is scraped in the lifting process, the heat exchange effect of the heat exchange cavity 8 is guaranteed, and the scraped dirt is discharged outwards along the flowing direction of the raw oil and the heat exchange oil.
The strip-shaped scraping plate 18 is in an inverted V shape, and the blade points at the two sides of the bottom end of the strip-shaped scraping plate 18 are attached to the side walls of the rectangular grooves 7 of the heat exchange plate 3.
The inverted V-shaped design ensures that the strip-shaped scraping plates 18 have good scraping effects on the side walls of the rectangular grooves 7 on two sides under the driving of the lifting assembly.
The cleaning component of the in-board channel is a rotatable cleaning roller 19, the cleaning roller 19 is in transmission connection with the connecting seat 15, the diameter length of the cleaning roller 19 is consistent with the width of the heat exchange cavity 8, and a flexible brush is fixedly sleeved on the outer ring of the cleaning roller 19.
In the second embodiment, the cleaning component of the in-board channel adopts the rotatable cleaning roller 19, adopt rigid contact in the first embodiment, wear is produced easily after using for a period, can produce the problem such as heat transfer cavity 8 interval grow or blade department wearing and tearing, lead to follow-up cleaning effect not good, heat exchange efficiency reduces etc., compare in the first embodiment, the cleaning effect is the flexible contact through the contact of rotatory in-process to rectangular groove 7 inner wall, avoid the condition of tooth breakage or wearing and tearing that rigid contact led to, flexible brush extrusion is in heat transfer cavity 8, can guarantee the laminating effect of flexible brush and rectangular groove 7 inner wall, can prevent to produce great friction again and lead to wearing and tearing, the duration of continuous use has been improved, further maintenance's frequency is reduced.
The plate surface cleaning mechanism 9 further comprises a plurality of groups of linkage rotating assemblies, the plurality of groups of linkage rotating assemblies are in one-to-one correspondence with the plurality of lifting rods 14, the lifting rods 14 are in transmission connection with the linkage rotating assemblies, and the linkage rotating assemblies are in transmission connection with the cleaning rollers 19.
Through setting up the rotatory subassembly of interlock for the cleaning roller 19 realizes rotatory function under the drive of the rotatory subassembly of interlock in-process that goes up and down, improves the cleaning effect of cleaning roller 19 to heat exchange plate 3.
The linkage rotating assembly comprises a fixing frame 20, a rack 21 and a synchronous transmission device, the fixing frame 20 which is arranged in a hollow mode is fixedly arranged on the frame 2 and located beside the lifting rod 14, an avoidance groove used for avoiding the fixing frame 20 is formed in the lifting plate 13, the rack 21 is vertically and fixedly arranged in the fixing frame 20, the synchronous belt 24 transmission device is arranged in the lifting rod 14, the synchronous belt 24 transmission device comprises a first gear 22, a second gear 23 and a synchronous belt 24, the first gear 22 can be rotatably arranged at the top end of the lifting rod 14, the second gear 23 can be rotatably arranged on the connecting seat 15, the second gear 23 and the cleaning roller 19 are coaxially arranged, buckles 25 are arranged on two side walls of the second gear 23, an end cover 26 which can be detached is arranged at the end portion of the cleaning roller 19, a mounting annular groove 27 used for mounting the connecting seat 15 is formed in the cleaning roller 19, a clamping groove 28 matched with the buckles 25 is formed in the end portion of the cleaning roller 19, the cleaning roller 19 is fixedly connected with the second gear 23 through the buckles 25 and the clamping groove 28, the first gear 22 is meshed with the rack 21, the synchronous belt 24 is sleeved on the first gear 22 and the second gear 23, the second gear 23 is fixedly connected with the cleaning roller 2.
When the linkage rotating assembly works, the rack 21 is vertically and fixedly arranged on the frame 2 through the fixing frame 20, the lifting rod 14 is driven by the synchronous driving device and the rack 21 during lifting, and the cleaning roller 19 connected with the connecting seat 15 is driven to rotate, so that the function of synchronously rotating and driving the cleaning roller 19 in the lifting process of the cleaning roller 19 is realized, and the cleaning efficiency of the cleaning roller 19 on the heat exchange plate 3 is improved.
In the lifting process of the lifting rod 14, the synchronous transmission device synchronously lifts along with the lifting rod 14, the first gear 22 is meshed with the rack 21 in the lifting process and rotates in the lifting process, the first gear 22 drives the second gear 23 to rotate through the synchronous belt 24, and then the cleaning roller 19 fixedly connected with the second gear 23 is driven to rotate, so that the rotary driving function is realized, and the cleaning roller 19 and the connecting seat 15 are convenient to assemble and disassemble due to the design of the buckle 25, the clamping groove 28 and the end cover 26.
The pipeline cleaning mechanism 10 comprises a rotating shaft 29, a spiral fan blade 30 and an arc-shaped scraping plate 31, wherein the rotating shaft 29 is fixedly arranged in the heat exchange tube 6, the rotating shaft 29 and the heat exchange tube 6 are coaxially arranged, one end of the rotating shaft 29 is arranged on one side, far away from the heat exchange plate 3, of the heat exchange tube 6 through a bearing, the spiral fan blade 30 and the arc-shaped scraping plate 31 are fixedly arranged on the rotating shaft 29, the length of the arc-shaped scraping plate 31 is matched with that of the heat exchange tube 6, and the outer side wall of the arc-shaped scraping plate 31 is attached to the inner side wall of the heat exchange tube 6.
When the pipeline cleaning mechanism 10 works, raw oil drives the rotating shaft 29 fixedly connected with the spiral fan blade 30 to rotate through driving the spiral fan blade 30 to rotate in the conveying process, and then drives the arc-shaped scraping plate 31 fixedly connected with the rotating shaft 29 to rotate, the pipe wall and the hole wall of the heat exchange plate 3 are scraped through the arc-shaped scraping plate 31, so that the pipeline cleaning function is realized, a driving source is not required to be additionally provided in the mode, the cleaning function is automatically realized in the use process of the heat exchanger, and the operation steps are reduced.
The filtering and collecting mechanism 11 comprises two solid-liquid separators 32, two first connecting pipes 33 and two first electromagnetic valves 34, wherein the two solid-liquid separators 32 are respectively arranged on the heat exchange pipe 6 at one side of the liquid outlet end of the heat exchanger body 1, one end of each first connecting pipe 33 is communicated with the heat exchange pipe 6, the other end of each first connecting pipe 33 is communicated with the solid-liquid separator 32, and the first electromagnetic valves 34 are arranged on the first connecting pipes 33.
The filtering and collecting mechanism 11 is arranged at the tail ends of the two groups of heat exchange tubes 6 in the working process, so that raw oil is separated and impurity-removed in the discharging process, the raw oil is led into the solid-liquid separator 32 through the first connecting tube 33, the opening and closing of the pipelines are controlled through the first electromagnetic valve 34, stains scraped by the panel cleaning mechanism 9 and the pipeline cleaning mechanism 10 can be separated in the running process, and the quality of the raw oil is ensured.
The filtering and collecting mechanism 11 further comprises two second connecting pipes 35, two second electromagnetic valves 36 and two waste and sewage collecting boxes 37 arranged at the bottom of the heat exchanger body 1, the two waste and sewage collecting boxes 37 are respectively communicated with the plurality of heat exchange cavities 8 arranged at intervals, one ends of the two second connecting pipes 35 are respectively communicated with the interiors of the two waste and sewage collecting boxes 37, the other ends of the two second connecting pipes 35 are respectively communicated with the two solid-liquid separators 32, and the two second electromagnetic valves 36 are respectively arranged on the two second connecting pipes 35.
In order to prevent stains from being deposited at the bottom of the heat exchanger body 1 due to the influence of gravity, the bottom of the heat exchanger is communicated by arranging the waste and sewage collecting box 37, and the waste and sewage collecting box 37 is communicated with the solid-liquid separator 32 by the second connecting pipe 35, so that the stains deposited at the bottom can be discharged out of the heat exchanger as well, the cleaning effect is improved, and the opening and closing of the connecting channel of the waste and sewage collecting box 37 and the solid-liquid separator 32 can be controlled by the second electromagnetic valve 36.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. The utility model provides a raw oil heat exchanger, including heat exchanger body (1), frame (2), heat exchanger body (1) is including heat transfer board (3), screw thread depression bar (4) and outer frame (5), heat exchanger body (1) are installed on frame (2), heat transfer board (3) are closely spaced along heat exchanger body (1) length direction, four tip of heat transfer board (3) are connected with four heat transfer pipes (6) respectively, heat transfer board (3) both sides all are equipped with rectangular groove (7) that are used for the intercommunication wherein two heat transfer pipes (6), form heat transfer cavity (8) that are used for the heat transfer between every two adjacent heat transfer boards (3), two adjacent heat transfer cavity (8) are respectively let in the raw oil of different heat in order to realize the heat transfer function, two heat transfer pipe (6) that are diagonal setting about one of them heat transfer cavity (8) are with two other heat transfer pipe (6) intercommunication, be heat transfer board (3) between two adjacent heat transfer cavity (8), heat transfer cavity (8) are rectangle, heat transfer cavity (8) are whole, heat transfer cavity (8) are heat transfer cavity (6) are the connection of two heat transfer pipe (6) and are used for the clean in-up system (9) the arc-shaped heat transfer system, the clean in-up section is including the connection, the cleaning system further comprises a pipeline cleaning mechanism (10) and a filtering and collecting mechanism (11), the pipeline cleaning mechanism (10) is provided with four groups, the four groups of pipeline cleaning mechanisms (10) are respectively positioned in the four heat exchange tubes (6), the filtering and collecting mechanism (11) is arranged at the tail end of the heat exchange tubes (6), the plate surface cleaning mechanism (9) comprises a lifting assembly and an in-plate channel cleaning assembly, the lifting assembly is fixedly arranged at the top of the frame (2), the in-plate channel cleaning assembly comprises a plurality of groups, the in-plate channel cleaning assemblies and all the heat exchange plates (3) form a plurality of heat exchange cavities (8) which are in one-to-one correspondence, the lifting assembly is in transmission connection with the in-plate channel cleaning assemblies, the lifting assembly comprises a lifting driver (12), lifting plates (13), lifting rods (14) and connecting seats (15), the lifting plate (13) are horizontally arranged right above the heat exchange tube body (1), the lifting plate (13) can be vertically lifted and arranged on the frame (2), the lifting driver (12) is fixedly arranged on the frame (2), the output end of the lifting driver (12) is fixedly connected with the lifting rods (14) which are in the plate surface of the heat exchange tubes (14) and are in the heat exchange plates (14) which are in correspondence with the heat exchange plates (1), one end of each lifting rod (14) is fixedly connected with each lifting plate (13), a plurality of connecting seats (15) are arranged, the connecting seats (15) are in one-to-one correspondence with the lifting rods (14), the connecting seats (15) are arranged at one ends of the lifting rods (14) far away from the lifting plates (13), the connecting seats (15) are in transmission connection with one end of each cleaning assembly of the in-plate channel, semicircular mounting grooves (16) are formed in the tops of the heat exchange plates (3), two adjacent heat exchange plates (3) are attached to form a vertically arranged circular mounting groove through the two semicircular mounting grooves (16), sealing rubber rings (17) for sealing the lifting rods (14) are arranged in the arc avoidance grooves, and the ends of the lifting rods (14) penetrate through the sealing rubber rings (17) and extend into the heat exchange cavities (8); the cleaning component of the in-board channel is a rotatable cleaning roller (19), the cleaning roller (19) is in transmission connection with the connecting seat (15), the diameter length of the cleaning roller (19) is consistent with the width of the heat exchange cavity (8), and a flexible brush is fixedly sleeved on the outer ring of the cleaning roller (19); the plate surface cleaning mechanism (9) further comprises a plurality of groups of linkage rotating assemblies, the plurality of groups of linkage rotating assemblies are in one-to-one correspondence with the plurality of lifting rods (14), the lifting rods (14) are in transmission connection with the linkage rotating assemblies, and the linkage rotating assemblies are in transmission connection with the cleaning rollers (19); the linkage rotating assembly comprises a fixing frame (20), a rack (21) and a synchronous transmission device, the fixing frame (20) which is arranged in a hollow mode is fixedly arranged on a frame (2) and located at the side of a lifting rod (14), a avoiding groove used for avoiding the fixing frame (20) is formed in a lifting plate (13), the rack (21) is vertically and fixedly arranged in the fixing frame (20), the synchronous belt (24) transmission device is arranged in the lifting rod (14), the synchronous belt (24) transmission device comprises a first gear (22), a second gear (23) and a synchronous belt (24), the first gear (22) can be rotatably arranged at the top end of the lifting rod (14), the second gear (23) can be rotatably arranged on a connecting seat (15), the second gear (23) and a cleaning roller (19) are coaxially arranged, buckles (25) are arranged on two side walls of the second gear (23), end covers (26) which can be disassembled are arranged at the end parts of the cleaning roller (19), a mounting groove (27) used for mounting the connecting seat (15) is formed in the cleaning roller (19), the end parts of the cleaning roller (19) are provided with buckles (25) which are matched with the second gear (28) and meshed with the first gear (21) and the second gear (28), the synchronous belt (24) is sleeved on the first gear (22) and the second gear (23), and the fixed rod is fixedly connected with the frame (2).
2. The raw oil heat exchanger according to claim 1, wherein the pipeline cleaning mechanism (10) comprises a rotating shaft (29), a spiral blade (30) and an arc-shaped scraping plate (31), the rotating shaft (29) is fixedly installed in the heat exchange tube (6), the rotating shaft (29) and the heat exchange tube (6) are coaxially arranged, one end of the rotating shaft (29) is installed on one side, far away from the heat exchange plate (3), of the heat exchange tube (6) through a bearing, the spiral blade (30) and the arc-shaped scraping plate (31) are fixedly installed on the rotating shaft (29), the length of the arc-shaped scraping plate (31) is matched with that of the heat exchange tube (6), and the outer side wall of the arc-shaped scraping plate (31) is attached to the inner side wall of the heat exchange tube (6).
3. The raw oil heat exchanger according to claim 1, wherein the filtering and collecting mechanism (11) comprises two solid-liquid separators (32), two first connecting pipes (33) and two first electromagnetic valves (34), the two solid-liquid separators (32) are respectively arranged on the heat exchange pipe (6) at one side of the liquid outlet end of the heat exchanger body (1), one end of each first connecting pipe (33) is communicated with the heat exchange pipe (6), the other end of each first connecting pipe (33) is communicated with the corresponding solid-liquid separator (32), and the first electromagnetic valves (34) are arranged on the first connecting pipes (33).
4. A raw oil heat exchanger according to claim 3, characterized in that the filtering and collecting mechanism (11) further comprises two second connecting pipes (35), two second electromagnetic valves (36) and two waste and sewage collecting boxes (37) arranged at the bottom of the heat exchanger body (1), the two waste and sewage collecting boxes (37) are respectively communicated with a plurality of heat exchanging cavities (8) arranged at intervals, one ends of the two second connecting pipes (35) are respectively communicated with the interiors of the two waste and sewage collecting boxes (37), the other ends of the two second connecting pipes (35) are respectively communicated with two solid-liquid separators (32), and the two second electromagnetic valves (36) are respectively arranged on the two second connecting pipes (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310432684.1A CN116242198B (en) | 2023-04-21 | 2023-04-21 | Raw oil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310432684.1A CN116242198B (en) | 2023-04-21 | 2023-04-21 | Raw oil heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116242198A CN116242198A (en) | 2023-06-09 |
| CN116242198B true CN116242198B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310432684.1A Active CN116242198B (en) | 2023-04-21 | 2023-04-21 | Raw oil heat exchanger |
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| Country | Link |
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| CN (1) | CN116242198B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912210A (en) * | 2021-10-12 | 2022-01-11 | 江苏环球环境工程集团有限公司 | Environment-friendly type tencel solvent purification treatment device with self-cleaning type plate heat exchanger |
| CN114993100A (en) * | 2022-04-07 | 2022-09-02 | 安徽中固建设集团有限公司 | Green building water heat collection balanced system |
| CN217483315U (en) * | 2022-03-05 | 2022-09-23 | 德州茂祥节能设备有限公司 | Novel gas-gas plate type heat exchanger |
| CN115143815A (en) * | 2022-09-06 | 2022-10-04 | 涿州瑞特韦尔机械设备有限公司 | Plate heat exchanger with cleaning structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0755391A (en) * | 1993-08-10 | 1995-03-03 | Abb Gadelius Kk | Plate type heat-exchanger with dust-eliminating apparatus |
-
2023
- 2023-04-21 CN CN202310432684.1A patent/CN116242198B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912210A (en) * | 2021-10-12 | 2022-01-11 | 江苏环球环境工程集团有限公司 | Environment-friendly type tencel solvent purification treatment device with self-cleaning type plate heat exchanger |
| CN217483315U (en) * | 2022-03-05 | 2022-09-23 | 德州茂祥节能设备有限公司 | Novel gas-gas plate type heat exchanger |
| CN114993100A (en) * | 2022-04-07 | 2022-09-02 | 安徽中固建设集团有限公司 | Green building water heat collection balanced system |
| CN115143815A (en) * | 2022-09-06 | 2022-10-04 | 涿州瑞特韦尔机械设备有限公司 | Plate heat exchanger with cleaning structure |
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| Publication number | Publication date |
|---|---|
| CN116242198A (en) | 2023-06-09 |
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