CN117928299A - Energy-saving heat exchanger - Google Patents
Energy-saving heat exchanger Download PDFInfo
- Publication number
- CN117928299A CN117928299A CN202311800721.6A CN202311800721A CN117928299A CN 117928299 A CN117928299 A CN 117928299A CN 202311800721 A CN202311800721 A CN 202311800721A CN 117928299 A CN117928299 A CN 117928299A
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- Prior art keywords
- smoke
- spring
- filter screen
- tube
- wall
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- 239000000779 smoke Substances 0.000 claims abstract description 98
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 9
- 238000007790 scraping Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000002912 waste gas Substances 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the field of petroleum and petrochemical industry, in particular to an energy-saving heat exchanger. Comprises a smoke tube, a heat exchange medium tube, a cleaning device, a rotating shaft, a spring and a control device; the cleaning device is arranged in the smoke tube and comprises two swivel rings which are symmetrically arranged front and back; the swivel is rotatably arranged on the inner wall of the smoke tube; a plurality of scrapers are arranged between the two swivel rings. When the accumulated ash on the inner wall of the smoke tube does not accumulate to a preset value, the control device limits the outer end of the spring to move, so that smoke drives the inner end of the spring to rotate through the fan blade driving rotating shaft, the spring is enabled to accumulate force, when the accumulated ash on the inner wall of the smoke tube accumulates to the preset value, the control device limits the inner end of the spring to move, and simultaneously, the limit on the outer end of the spring is relieved, so that the spring releases force to drive the swivel to drive the scraper to rotate, dust accumulated on the inner wall of the smoke tube is scraped off adaptively, and heat exchange efficiency is guaranteed.
Description
Technical Field
The invention relates to the field of petroleum and petrochemical industry, in particular to an energy-saving heat exchanger.
Background
With the increasingly strict control of pollutant emission indexes of industrial waste gas, the treatment problem of high-salt wastewater pollutants in petroleum and petrochemical industry, metal smelting industry and the like is more and more prominent, and sulfur dioxide with higher content can be generated in the production processes of chemical plants, smelting plants and the like. Meanwhile, the waste gas exhausted by the chemical device carries a large amount of heat, and in the exhaust process of the waste gas, the heat is not effectively utilized, so that resources are wasted, and the waste gas is transmitted at high temperature to the air to generate thermal pollution to the air.
In the prior art, for example, in chinese patent with publication number CN116272246a, the name of the device for comprehensively utilizing petrochemical tail gas is disclosed in the technical scheme, a heat exchange tube is generally sleeved outside the exhaust gas tube to recover waste heat of the exhaust gas, a heat exchange medium, typically water, flows in the heat exchange tube, and petrochemical waste gas carrying a large amount of heat flows in the exhaust gas tube. Since the exhaust gas contains a large amount of soot, a large amount of soot adheres to the heat exchange device after the device is operated for a period of time, so that the efficiency of heat exchange of the residual heat in the high-temperature exhaust gas is reduced, and the residual heat recovery efficiency of the high-temperature exhaust gas is reduced.
Disclosure of Invention
The present invention provides an energy-saving heat exchanger to solve the above-mentioned problems.
The invention relates to an energy-saving heat exchanger, which adopts the following technical scheme: an energy-saving heat exchanger comprises a smoke tube, a heat exchange medium tube, a cleaning device, a rotating shaft, a spring and a control device;
The axis of the smoke tube is arranged front and back, the front end is coaxially fixed with a smoke outlet tube, and the rear end is fixed with a smoke inlet tube;
the heat exchange medium pipe is spirally sleeved on the outer wall of the smoke pipe;
The cleaning device is arranged in the smoke tube and comprises two swivel rings which are symmetrically arranged front and back; the swivel is rotatably arranged on the inner wall of the smoke tube; a plurality of scraping plates are arranged between the two rotating rings; the scraping plate is fixedly connected to the swivel in a manner of being arranged along the axis direction of the smoke tube; a plurality of spoke rods which are arranged along the radial direction of the swivel are fixed on the inner wall of the swivel; a matching ring is fixed on the spoke rod near the axis end of the rotating ring;
The rotating shaft is coaxially arranged in the rotating ring and is in rotating fit with the matching ring; one end of the rotating shaft is fixed with a plurality of fan blades;
The spring is arranged at one side of the smoke tube close to the smoke outlet tube, the inner end of the spring is fixedly connected with the rotating shaft through an inner rod, and the outer end of the spring is fixedly connected with the rotating ring through an L-shaped outer rod;
the control device is configured to limit the movement of the outer end of the spring when the accumulated ash on the inner wall of the smoke tube does not accumulate to a preset value, so that smoke drives the rotating shaft to drive the inner end of the spring to rotate through the fan blade, the spring is enabled to accumulate force, when the accumulated ash on the inner wall of the smoke tube accumulates to the preset value, the movement of the inner end of the spring is limited, the limit on the outer end of the spring is relieved, the spring is enabled to release force to drive the rotating ring to drive the scraping plate to rotate, the accumulated ash on the inner wall of the smoke tube is scraped in a self-adapting mode, and the heat exchange efficiency is guaranteed.
Further, the control device comprises a filter screen, a limiting component and a net cleaning component; the filter screen is arranged in the smoke outlet tube in a sliding way back and forth; a spring is connected between the filter screen and the smoke outlet tube; the limiting component is used for limiting the rotation of the outer end of the spring when the smoke passing efficiency of the filter screen is higher than a preset value, and limiting the rotation of the rotating shaft when the smoke passing efficiency is reduced to the preset value due to the fact that dust is accumulated on the filter screen to a certain extent and the filter screen is pushed by the smoke in the sliding process of the filter screen away from the chimney;
the net cleaning component is used for cleaning ash on the surface of the filter screen when the spring releases force.
Further, the limit assembly comprises a matching rod, a limit rod, a contact column and a rotary blocking cylinder; the matching rod is arranged on one side of the spring close to the filter screen and is fixedly connected with the outer rod;
the limiting rod is arranged in the smoke outlet tube in a front-back sliding way, one end close to the filter screen is fixedly connected with the filter screen, and one end close to the matching rod is abutted with the matching rod;
the contact column is coaxially fixed at one end of the rotating shaft, which is close to the fixed end of the filter screen; the contact column is conical; the outer side wall of the contact column is provided with a blocking protrusion;
The rotation-resisting drum is rotatably arranged on the rotating shaft and is in sliding fit with the rotating shaft in the front-back direction; the baffle cylinder is arranged between the contact column and the fan blade; the inner wall of the baffle cylinder is conical, and a plurality of baffle grooves are formed in the inner wall of the baffle cylinder; the baffle cylinder is fixedly connected with the filter screen through a middle column. When the filter screen slides away from the chimney, on the one hand, the limiting rod and the matching rod are driven to be separated from contact, and on the other hand, the blocking cylinder is driven to be close to the contact column, so that the blocking protrusion and the blocking groove are blocked and matched, and the rotating shaft is prevented from rotating.
Further, two springs are symmetrically arranged in front and back; a stop lever is arranged at the spring far away from the filter screen; the stop lever is arranged on the smoke tube in a sliding way back and forth and is abutted with the outer lever of the corresponding spring; the stop lever is fixedly connected with the limit lever through a synchronous lever.
Further, the net cleaning component comprises a scraping strip and a mounting ring; the scraping strips are arranged along the radial direction of the filter screen; the scraping strip is attached to the filter screen; the mounting ring is rotatably arranged on the inner wall of the smoke outlet tube; the mounting ring is fixedly connected with the matching rod; a telescopic rod is fixed on the inner wall of the mounting ring; the telescopic end of the telescopic rod is fixedly connected with the scraping strip.
Further, a funnel-shaped guide plate is fixed on the inner wall of the smoke outlet tube; the deflector is in rotary fit with the mounting ring.
Further, a sealing cylinder is fixedly connected between the smoke inlet cylinder and the smoke outlet cylinder; the sealing cylinder is arranged outside the smoke tube.
The beneficial effects of the invention are as follows: when the accumulated ash on the inner wall of the smoke tube does not accumulate to a preset value, the control device limits the outer end of the spring to move, so that smoke drives the inner end of the spring to rotate through the fan blade driving rotating shaft, the spring is enabled to accumulate force, when the accumulated ash on the inner wall of the smoke tube accumulates to the preset value, the control device limits the inner end of the spring to move, and simultaneously, the limit on the outer end of the spring is relieved, so that the spring releases force to drive the swivel to drive the scraper to rotate, dust accumulated on the inner wall of the smoke tube is scraped off adaptively, and heat exchange efficiency is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an economizer heat exchanger of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of a cleaning device, spindle, spring, control device according to an embodiment of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
Fig. 6 is a schematic view of a limiting assembly according to an embodiment of the invention.
In the figure: 100. a smoke tube; 110. a smoke inlet tube; 120. a smoke outlet tube; 121. a deflector; 130. a sealing cylinder; 200. a heat exchange medium pipe; 310. a scraper; 320. a swivel; 330. a mating ring; 400. a rotating shaft; 410. a fan blade; 500. a spring; 510. an inner rod; 520. an outer rod; 610. a filter screen; 621. a mating lever; 622. a limit rod; 623. a synchronizing lever; 624. a contact column; 625. a blocking cylinder; 631. scraping the strip; 632. a mounting ring; 634. a telescopic rod.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having the same or similar functions. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The features of the invention "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An embodiment of an economizer heat exchanger of the present invention is shown in fig. 1-6: an energy-saving heat exchanger comprises a smoke tube 100, a heat exchange medium tube 200, a cleaning device, a rotating shaft 400, a spring 500 and a control device;
The axis of the smoke tube 100 is arranged back and forth, the front end is coaxially fixed with a smoke outlet tube 120, and the rear end is fixed with a smoke inlet tube 110; a sealing cylinder 130 is fixedly connected between the smoke inlet cylinder 110 and the smoke outlet cylinder 120; the sealing cylinder 130 is provided outside the smoke tube 100.
The heat exchange medium pipe 200 is spirally sleeved on the outer wall of the smoke pipe 100;
The cleaning device is arranged in the smoke tube 100 and comprises two rotating rings 320 which are symmetrically arranged front and back; the swivel 320 is rotatably installed on the inner wall of the smoke tube 100; a plurality of scrapers 310 are arranged between the two swivel rings 320; the scraper 310 is fixedly connected to the swivel 320 along the axis direction of the smoke tube 100; a plurality of spoke rods which are arranged along the radial direction of the swivel 320 are fixed on the inner wall of the swivel 320;
the spoke rod is fixed with a matching ring 330 near the axial end of the swivel 320;
The rotating shaft 400 is coaxially arranged in the rotating ring 320 and is in rotating fit with the matching ring 330; one end of the rotating shaft 400 is fixed with a plurality of fan blades 410;
The spring 500 is arranged at one side of the smoke tube 100 close to the smoke outlet tube 120, the inner end of the spring is fixedly connected with the rotating shaft 400 through an inner rod 510, and the outer end of the spring is fixedly connected with the rotating ring 320 through an L-shaped outer rod 520;
the control device comprises a filter screen 610, a limiting component and a net cleaning component; the filter 610 is slidably disposed in the smoke outlet tube 120 back and forth; a spring is connected between the filter screen 610 and the smoke outlet tube 120;
The limiting component is used for limiting the rotation of the outer end of the spring 500 when the smoke passing efficiency of the filter screen 610 is higher than a preset value, and limiting the rotation of the rotating shaft 400 when the smoke passing efficiency is reduced to the preset value due to the fact that dust is accumulated on the filter screen 610 to a certain extent and the filter screen 610 is pushed by the smoke to move away from the chimney in the sliding process; the limit component comprises a matching rod 621, a limit rod 622, a contact column 624 and a baffle cylinder 625; the matching rod 621 is arranged on one side of the spring 500 close to the filter screen 610 and is fixedly connected with the outer rod 520; the limit rod 622 is slidably arranged in the smoke outlet tube 120 back and forth, one end close to the filter screen 610 is fixedly connected with the filter screen 610, and one end close to the matching rod 621 is abutted with the matching rod 621; the contact column 624 is coaxially fixed at one end of the rotating shaft 400 near the filter screen 610; the contact posts 624 are conical; the outer side wall of the contact column 624 is provided with a baffle protrusion;
The baffle cylinder 625 is rotatably installed on the rotation shaft 400 and is slidably engaged with the rotation shaft 400 in the front-rear direction; the baffle cylinder 625 is disposed between the contact posts 624 and the fan blades 410; the inner wall of the baffle drum 625 is conical, and a plurality of baffle grooves are formed in the inner wall of the baffle drum 625; the baffle cylinder 625 is fixedly connected with the filter screen 610 through a middle column. When the filter screen 610 slides away from the chimney, on one hand, the limit rod 622 and the matching rod 621 are driven to be separated from contact, and on the other hand, the blocking cylinder 625 is driven to approach the contact column 624, so that the blocking protrusion and the blocking groove are blocked and matched to prevent the rotation of the rotating shaft 400.
The cleaning net assembly is used for cleaning the ash on the surface of the filter screen 610 when the spring 500 releases force. The screen cleaning assembly comprises a scraping strip 631 and a mounting ring 632; the scraping strip 631 is arranged along the radial direction of the filter screen 610; the scraping strip 631 is attached to the filter screen 610; a funnel-shaped guide plate 121 is fixed on the inner wall of the smoke outlet tube 120; the baffle 121 and the mounting ring 632 are in a rotating fit. The mounting ring 632 is fixedly connected with the matching rod 621; a telescopic rod 634 is fixed on the inner wall of the mounting ring 632; the telescopic end of the telescopic rod 634 is fixedly connected with the scraping strip 631. When the accumulated ash on the inner wall of the smoke tube 100 is accumulated to a preset value, the control device limits the outer end of the spring 500 to move, so that smoke drives the rotating shaft 400 to drive the inner end of the spring 500 to rotate through the fan blade 410, the spring 500 is enabled to store force, when the accumulated ash on the inner wall of the smoke tube 100 is accumulated to the preset value, the control device limits the inner end of the spring 500 to move, and meanwhile, the limit on the outer end of the spring 500 is released, so that the spring 500 releases force to drive the swivel 320 to drive the scraper blade 310 to rotate, dust accumulated on the inner wall of the smoke tube 100 is scraped in a self-adapting mode, and heat exchange efficiency is guaranteed.
In the present embodiment, two springs 500 are symmetrically arranged in front and back; a stop lever is arranged at the position of the spring 500 far away from the filter screen 610; the stop lever is installed on the smoke tube 100 in a sliding way back and forth and is abutted with the outer rod 520 of the corresponding spring 500; the stop lever and the limit lever 622 are fixedly connected through a synchronizing lever 623.
In combination with the above embodiment, the use principle and working process of the present invention are as follows: in use, heat exchange medium is introduced into the heat exchange medium pipe 200, and petrochemical waste gas is introduced into the smoke pipe 100. When the dust deposited on the inner wall of the smoke tube 100 is less, the limit rod 622 prevents the outer ring of the spring 500 from rotating, and the fan blade 410 drives the inner end of the spring 500 to rotate under the blowing of smoke, so that the spring 500 stores the force. When the inner wall of the smoke tube 100 is more in dust accumulation, the filter screen 610 is pushed by smoke, the filter screen 610 slides away from the smoke tube, and when the filter screen 610 slides away from the smoke tube, the limiting rod 622 and the matching rod 621 are driven to be separated from contact, the baffle drum 625 is driven to approach the contact column 624 on the one hand, so that the baffle protrusion and the baffle groove are blocked to be matched, the rotation of the rotating shaft 400 is prevented, the spring 500 is released to drive the rotating ring 320 to drive the scraping plate 310 to rotate, meanwhile, the matching rod 621 drives the mounting ring 632 to rotate, the mounting ring 632 drives the scraping strip 631 to rotate through the telescopic rod 634, so that dust on the inner wall of the smoke tube 100 is scraped off in a self-adapting mode, and heat exchange efficiency is guaranteed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. An energy-saving heat exchanger, characterized in that: comprises a smoke tube (100), a heat exchange medium tube (200), a cleaning device, a rotating shaft (400), a spring (500) and a control device;
The axis of the smoke tube (100) is arranged front and back, the front end is coaxially fixed with a smoke outlet tube (120), and the rear end is fixed with a smoke inlet tube (110);
The heat exchange medium pipe (200) is spirally sleeved on the outer wall of the smoke pipe (100);
The cleaning device is arranged in the smoke tube (100) and comprises two swivel rings (320) which are symmetrically arranged front and back; the swivel (320) is rotatably arranged on the inner wall of the smoke tube (100); a plurality of scrapers (310) are arranged between the two swivel rings (320); the scraping plate (310) is fixedly connected to the swivel (320) along the axis direction of the smoke tube (100); a plurality of spoke rods which are arranged along the radial direction of the swivel (320) are fixed on the inner wall of the swivel (320); a matching ring (330) is fixed on the spoke rod near the axial end of the swivel (320);
the rotating shaft (400) is coaxially arranged in the rotating ring (320) and is in rotating fit with the matching ring (330); one end of the rotating shaft (400) is fixed with a plurality of fan blades (410);
The spiral spring (500) is arranged at one side of the smoke tube (100) close to the smoke outlet tube (120), the inner end of the spiral spring is fixedly connected with the rotating shaft (400) through an inner rod (510), and the outer end of the spiral spring is fixedly connected with the rotating ring (320) through an L-shaped outer rod (520);
The control device is configured to limit the movement of the outer end of the spring (500) when the accumulated ash on the inner wall of the smoke tube (100) does not reach a preset value, so that the smoke drives the rotating shaft (400) through the fan blade (410) to drive the inner end of the spring (500) to rotate, the spring (500) is enabled to store force, and the movement of the inner end of the spring (500) is limited and the limit of the outer end of the spring (500) is relieved when the accumulated ash on the inner wall of the smoke tube (100) reaches the preset value.
2. An economizer heat exchanger according to claim 1 wherein: the control device comprises a filter screen (610), a limiting component and a net cleaning component; the filter screen (610) is arranged in the smoke outlet tube (120) in a sliding way back and forth; a spring is connected between the filter screen (610) and the smoke outlet tube (120); the limiting component is used for limiting the rotation of the outer end of the spring (500) when the smoke passing efficiency of the filter screen (610) is higher than a preset value, and limiting the rotation of the rotating shaft (400) in the sliding process of the filter screen (610) away from the chimney under the pushing of the smoke when the smoke passing efficiency is reduced to the preset value due to the fact that dust is accumulated on the filter screen (610) to a certain degree;
The cleaning net component is used for cleaning ash on the surface of the filter screen (610) when the spring (500) releases force.
3. An economizer heat exchanger according to claim 2 wherein: the limit component comprises a matching rod (621), a limit rod (622), a contact column (624) and a baffle cylinder (625); the matching rod (621) is arranged on one side of the spring (500) close to the filter screen (610) and is fixedly connected with the outer rod (520);
The limiting rod (622) is arranged in the smoke outlet tube (120) in a front-back sliding way, one end close to the filter screen (610) is fixedly connected with the filter screen (610), and one end close to the matching rod (621) is abutted with the matching rod (621);
the contact column (624) is coaxially fixed at one end of the rotating shaft (400) close to the filter screen (610); the contact posts (624) are conical; the outer side wall of the contact column (624) is provided with a baffle protrusion;
The baffle cylinder (625) is rotatably arranged on the rotating shaft (400) and is in sliding fit with the rotating shaft (400) in the front-back direction; the baffle cylinder (625) is arranged between the contact column (624) and the wind blade (410); the inner wall of the baffle cylinder (625) is conical, and a plurality of baffle grooves are formed in the inner wall of the baffle cylinder (625); the baffle cylinder (625) is fixedly connected with the filter screen (610) through a middle column.
4. An economizer heat exchanger according to claim 3 wherein: two springs (500) are symmetrically arranged in front and back; a stop lever is arranged at the position of the spring (500) far away from the filter screen (610); the stop lever is arranged on the smoke tube (100) in a sliding way back and forth and is abutted with the outer rod (520) of the corresponding spring (500); the stop lever and the limit lever (622) are fixedly connected through a synchronizing lever (623).
5. An economizer heat exchanger according to claim 4 wherein: the net cleaning component comprises a scraping strip (631) and a mounting ring (632); the scraping strips (631) are radially arranged along the filter screen (610); the scraping strip (631) is attached to the filter screen (610); the mounting ring (632) is rotatably arranged on the inner wall of the smoke outlet tube (120); the mounting ring (632) is fixedly connected with the matching rod (621); a telescopic rod (634) is fixed on the inner wall of the mounting ring (632); the telescopic end of the telescopic rod (634) is fixedly connected with the scraping strip (631).
6. An economizer heat exchanger according to claim 5 wherein: a funnel-shaped guide plate (121) is fixed on the inner wall of the smoke outlet tube (120); the deflector (121) and the mounting ring (632) are in a rotating fit.
7. An economizer heat exchanger according to any one of claims 1 to 6 wherein: a sealing cylinder (130) is fixedly connected between the smoke inlet cylinder (110) and the smoke outlet cylinder (120); the sealing cylinder (130) is arranged outside the smoke tube (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311800721.6A CN117928299A (en) | 2023-12-25 | 2023-12-25 | Energy-saving heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311800721.6A CN117928299A (en) | 2023-12-25 | 2023-12-25 | Energy-saving heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117928299A true CN117928299A (en) | 2024-04-26 |
Family
ID=90756439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311800721.6A Pending CN117928299A (en) | 2023-12-25 | 2023-12-25 | Energy-saving heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117928299A (en) |
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2023
- 2023-12-25 CN CN202311800721.6A patent/CN117928299A/en active Pending
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