CN115751711B - Biomass efficient heat-transfer energy-saving hot-blast stove - Google Patents
Biomass efficient heat-transfer energy-saving hot-blast stove Download PDFInfo
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- CN115751711B CN115751711B CN202211372640.6A CN202211372640A CN115751711B CN 115751711 B CN115751711 B CN 115751711B CN 202211372640 A CN202211372640 A CN 202211372640A CN 115751711 B CN115751711 B CN 115751711B
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Abstract
The invention provides a biomass efficient heat-transfer energy-saving hot blast stove which comprises a stove body, a stove body arranged at one side in the stove body, and a heat exchange chamber arranged at the other side, wherein an upper smoke channel is arranged at the upper end of the heat exchange chamber, a lower smoke channel is arranged at the lower end of the heat exchange chamber, and a plurality of heat exchange pipes are distributed between the upper smoke channel and the lower smoke channel. The air flow in the heat exchange chamber and the flow direction of the flue gas are opposite, heat exchange is firstly carried out with the tail end of the heat exchange tube, the temperature of the discharged flue gas is low, the air flow is blocked through the wind shield, and the air flow flows along the wind shield in a coiling way so as to fully contact with the heat exchange tube, so that the heat exchange efficiency is improved. The cleaning mechanism drives the cleaning shaft to rotate through the transmission case, the cleaning shaft drives the scraping assembly to rotate, the spring pressing piece is installed at the upper end and the lower end of the cleaning shaft, the spring pushes the spring barrel to move downwards, the spring barrel pushes the support plate to open outwards through the rotating plate, the scraping plate can be in elastic contact with the inner wall of the heat exchange tube, and the cleaning shaft drives the scraping plate to rotate so as to clean particles adhered to the inner wall of the heat exchange tube.
Description
Technical Field
The invention relates to the technical field of hot blast stoves, in particular to a biomass efficient heat-transfer energy-saving hot blast stove.
Background
The biomass hot blast stove is provided with a heat exchange chamber, heat exchange pipes are distributed in the heat exchange chamber, and high-temperature flue gas generated by the combustion chamber exchanges heat with air flow in the heat exchange chamber through the heat exchange pipes, so that hot air flow is formed. Therefore, the heat exchange between the flue gas in the heat exchange chamber and the outer end air flow is very important, and the heat exchange efficiency of the air flow of the conventional hot blast stove and the heat exchange pipe is low. The method specifically comprises the following problems: 1. the heat transfer between the air flow and the heat exchange tube is uneven, the upper air flow in the heat exchange chamber flows fast, and the lower air flow flows slowly, so that the heat dissipation efficiency of the lower heat exchange tube is low, and the heat transfer efficiency is reduced; 2. after the heat exchange tube is used for a long time, solid carbon particles in smoke dust are adhered to the inner wall of the heat exchange tube to form a carbon deposition layer, so that the heat exchange efficiency of heat energy is reduced, and energy waste is caused.
Disclosure of Invention
The technical problem solved by the invention is to provide a hot blast stove for improving the heat exchange efficiency of air flow and heat exchange pipes so as to solve the problems in the background technology.
The technical problems solved by the invention are realized by adopting the following technical scheme: the biomass efficient heat-transfer energy-saving hot blast stove comprises a stove body, a stove body arranged at one side in the stove body, and a heat exchange chamber arranged at the other side, wherein an upper smoke channel is arranged at the upper end of the heat exchange chamber, a lower smoke channel is arranged at the lower end of the heat exchange chamber, and a plurality of heat exchange pipes are distributed between the upper smoke channel and the lower smoke channel so as to convey high-temperature smoke; the wind shields are arranged between the heat exchange tubes in a distributed manner and are respectively arranged at the upper end and the lower end of the heat exchange chamber at intervals, so that air flows flow along the wind shields in a coiling manner so as to be fully contacted with the heat exchange tubes, and the heat exchange efficiency is improved; the cleaning mechanism comprises a cleaning shaft, a transmission box arranged at the upper end of the cleaning shaft and a scraping assembly arranged at the outer end of the cleaning shaft, the cleaning shaft penetrates through the heat exchange tube, the upper end of the cleaning shaft is in transmission connection with the transmission box, the transmission box drives the cleaning shaft to rotate, the lower end of the cleaning shaft is rotatably arranged on a bearing seat, and the cleaning shaft drives the scraping assembly to clean the inner wall of the heat exchange tube.
Specifically, the interior high temperature flue gas of furnace body is led into in the flue gas passageway, goes up flue gas passageway and passes through heat exchange tube and lower flue gas passageway intercommunication, forms the flue gas circulation, and the distribution is equipped with the deep bead between the heat exchange tube, makes the air current coil along the deep bead and flows to fully contact with the heat exchange tube, improves heat exchange efficiency. The cleaning mechanism drives the cleaning shaft to rotate through the transmission case, and the cleaning shaft drives the scraping assembly to rotate so as to clean particles adhered to the inner wall of the heat exchange tube, so that the heat exchange efficiency of air flow and the heat exchange tube is improved, the energy utilization efficiency is improved, and the energy-saving effect is achieved.
As a further scheme of the invention: the cleaning device is characterized in that a plurality of driven gears are arranged in the transmission case corresponding to the cleaning shafts in a distributed manner, the driven gears transversely arranged in the transmission case are sequentially connected with each other in a meshed manner, synchronous transmission is achieved, a driving shaft connected with the driven gears in a transmission manner is arranged on the outer side of the transmission case, the driving shaft is externally connected with a driving motor, threaded portions are arranged on the driving shaft at intervals and are respectively connected with a driving gear in a meshed manner through the threaded portions, the lower ends of the driving gears are coaxially connected with transmission gears, the transmission gears are connected with the driven gears, and all the longitudinal driven gears and the transverse driven gears in the transmission case are synchronously connected.
As a further scheme of the invention: the scraping assembly comprises support plates arranged on two sides of the cleaning shaft and elastic pressing pieces arranged on the upper end and the lower end of the cleaning shaft, a scraping plate is fixedly arranged at the outer end of the support plates so as to scrape the inner wall of the heat exchange tube, the two ends of the support plates are respectively connected with the elastic pressing pieces, so that the support plates are elastically outwards opened to be attached to the inner wall of the heat exchange tube, and hard contact with the inner wall of the heat exchange tube is avoided.
As a further scheme of the invention: the spring pressing piece comprises a spring barrel sleeved on the cleaning shaft, a spring sleeved on the cleaning shaft is arranged at the upper end of the spring barrel, one end of the spring abuts against the spring barrel, the other end of the spring abuts against a pressing plate fixedly installed on the cleaning shaft, two ends of the spring barrel are respectively connected with the supporting plate through a rotating plate, one end of the rotating plate is rotationally connected with the spring barrel, and the other end of the rotating plate is rotationally connected with the supporting plate. Specifically, the spring is installed at the upper and lower both ends of clearance axle, and spring push bullet section of thick bamboo moves down, and bullet section of thick bamboo promotes the extension board through the swivel plate and outwards opens, makes scraper blade and heat exchange tube inner wall elastic contact.
As a further scheme of the invention: still be equipped with the linking piece between extension board and the clearance axle, the linking piece includes slidable mounting at the epaxial smooth section of thick bamboo of clearance, rotates the linking board of installing at smooth section of thick bamboo outer end, the outer end and the extension board rotation of linking board are connected, improve the stability that extension board and clearance axle are connected.
As a further scheme of the invention: the upper flue gas channel and the lower flue gas channel are respectively provided with an air baffle plate, a plurality of air baffle chambers are formed, the air baffle chambers convey flue gas through heat exchange tubes, so that the flue gas flows along the S-shaped direction and is finally discharged through a smoke extractor.
As a further scheme of the invention: a bellows is arranged on one side of the heat exchange chamber away from the furnace body, a blower is arranged in the bellows, a filter is arranged at an air inlet of the blower, an air outlet of the blower is communicated with the heat exchange chamber, the cold air blown by the blower contacts with the tail end of the heat exchange chamber to preheat the air flow, and the air flow is coiled and flows in the heat exchange box after being blocked by the wind shield, so that the air flow is gradually heated, and the air temperature is improved. Specifically, the airflow of the traditional hot blast stove is consistent with the flow direction of the smoke, after the airflow exchanges heat with the high-temperature smoke, the temperature is increased, so that the smoke at the tail end of the heat exchange chamber is not greatly different from the airflow in stability, and therefore, the heat exchange cannot be continuously carried out, and the temperature of the smoke discharged is higher, so that the energy consumption is larger; the device air current and flue gas opposite direction carry out the heat transfer with the heat exchange tube end earlier, and the temperature of messenger's exhaust flue gas just is lower, can improve heat exchange efficiency.
As a further scheme of the invention: the filter is detachably provided with a filter core, and the outer end of the filter core is provided with a handle, so that personnel can clean and replace the filter core regularly.
Compared with the prior art, the invention has the beneficial effects that: the air flow in the heat exchange chamber and the flow direction of the flue gas are opposite, heat exchange is firstly carried out with the tail end of the heat exchange tube, the temperature of the discharged flue gas is low, the air flow is blocked through the wind shield, and the air flow flows along the wind shield in a coiling way so as to fully contact with the heat exchange tube, so that the heat exchange efficiency is improved. The cleaning mechanism drives the cleaning shaft to rotate through the transmission case, the cleaning shaft drives the scraping assembly to rotate, the spring pressing piece is arranged at the upper end and the lower end of the cleaning shaft, the spring pushes the spring barrel to move downwards, the spring barrel pushes the support plate to open outwards through the rotating plate, the scraping plate can be in elastic contact with the inner wall of the heat exchange tube, the cleaning shaft drives the scraping plate to rotate so as to clean particles adhered to the inner wall of the heat exchange tube, so that the heat exchange efficiency of air flow and the heat exchange tube is improved, the energy utilization efficiency is improved, and the energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is a schematic view of the drive shaft mounting structure of the present invention;
FIG. 4 is a schematic view of a scraping assembly according to the present invention;
FIG. 5 is a schematic flow diagram of the present invention;
FIG. 6 is a schematic diagram of the flue gas flow according to the present invention;
the marks in the figure are as follows: 1. a body; 2. a furnace body; 3. a heat exchange chamber; 4. cleaning a shaft; 5. a transmission case; 6. a wind box; 31. a smoke channel; 32. a lower flue gas channel; 33. a heat exchange tube; 34. a wind deflector; 35. a wind shielding plate; 41. a support plate; 42. a scraper; 43. a spring barrel; 44. a spring; 45. a pressing plate; 46. a rotating plate; 47. a slide cylinder; 48. a splice plate; 51. a driven gear; 52. a drive shaft; 53. a driving motor; 54. a threaded portion; 55. a drive gear; 56. a transmission gear; 61. a blower; 62. a filter; 63. a filter element; 64. a handle.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the implementation, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in figures 1 to 6 of the drawings,
the embodiment provides a biomass efficient heat-transfer energy-saving hot blast stove, which comprises a machine body 1, a stove body 2 arranged at one side in the machine body and a heat exchange chamber 3 arranged at the other side, wherein an upper smoke channel 31 is arranged at the upper end of the heat exchange chamber 3, a lower smoke channel 32 is arranged at the lower end of the heat exchange chamber 3, and a plurality of heat exchange pipes 33 are distributed and arranged between the upper smoke channel 31 and the lower smoke channel 32 so as to convey high-temperature smoke; the wind shields 34 are distributed and arranged between the heat exchange tubes 33 of the heat exchange chamber 3, and the wind shields 34 are respectively arranged at the upper end and the lower end of the heat exchange chamber 3 at intervals, so that air flows are coiled and flow along the wind shields 34 to fully contact with the heat exchange tubes 33, and the heat exchange efficiency is improved; still be equipped with the clearance mechanism of the inside carbon deposit layer of clearance heat exchange tube 33 in the heat exchange chamber 3, clearance mechanism is including installation clearance axle 4, install at the transmission case 5 of clearance axle 4 upper end and set up the subassembly of striking off at clearance axle 4 outer ends, clearance axle 4 runs through heat exchange tube 33, and the upper end and the transmission case 5 transmission of clearance axle 4 are connected, and transmission case 5 drives clearance axle 4 rotation, and the lower extreme rotation of clearance axle 4 is installed on the bearing frame, and clearance axle 4 drives the subassembly of striking off in order to clear up heat exchange tube 33 inner wall.
Specifically, the inner high-temperature flue gas of the furnace body 2 is led into the upper flue gas channel 31, the upper flue gas channel 31 is communicated with the lower flue gas channel 32 through the heat exchange tubes 33 to form flue gas circulation, wind shields 34 are distributed among the heat exchange tubes 33, and the air flow flows along the wind shields 34 in a coiling mode so as to be fully contacted with the heat exchange tubes 33, so that heat exchange efficiency is improved. The cleaning mechanism drives the cleaning shaft 4 to rotate through the transmission case 5, and the cleaning shaft 4 drives the scraping assembly to rotate so as to clean particles adhered to the inner wall of the heat exchange tube 33, thereby improving the heat exchange efficiency of air flow and the heat exchange tube 33, improving the energy utilization efficiency and achieving the effect of energy conservation.
In this embodiment, a plurality of driven gears 51 are distributed in the transmission case 5 corresponding to the cleaning shaft 4, the driven gears 51 transversely arranged in the transmission case 5 are sequentially connected in a mutually meshed manner, synchronous transmission is achieved, a driving shaft 52 in transmission connection with the driven gears 51 is arranged on the outer side of the transmission case 5, the driving shaft 52 is externally connected with a driving motor 53, threaded portions 54 are arranged on the driving shaft 52 at intervals and are respectively connected with a driving gear 55 in a meshed manner through the threaded portions 54, the lower end of the driving gear 55 is coaxially connected with a transmission gear 56, the transmission gear 56 is connected with the driven gears 51, and all the longitudinal and transverse driven gears 51 in the transmission case 5 are synchronously connected.
In this embodiment, the scraping assembly includes a supporting plate 41 installed on two sides of the cleaning shaft 4, and elastic pressing members disposed on two ends of the cleaning shaft 4, where a scraping plate 42 is fixedly mounted at an outer end of the supporting plate 41 to scrape an inner wall of the heat exchange tube 33, and two ends of the supporting plate 41 are respectively connected with the elastic pressing members, so that the supporting plate 41 is elastically and outwardly opened to attach to the inner wall of the heat exchange tube 33, and hard contact with the inner wall of the heat exchange tube 33 is avoided. The spring piece comprises a spring barrel 43 sleeved on the cleaning shaft 4, a spring 44 sleeved on the cleaning shaft 4 is arranged at the upper end of the spring barrel 43, one end of the spring 44 is propped against the spring barrel 43, the other end of the spring 44 is propped against a pressing plate 45 fixedly installed on the cleaning shaft 4, two ends of the spring barrel 43 are respectively connected with the support plate 41 through a rotating plate 46, one end of the rotating plate 46 is rotationally connected with the spring barrel 43, and the other end of the rotating plate 46 is rotationally connected with the support plate 41. Specifically, the spring members are mounted at the upper and lower ends of the cleaning shaft 4, and the spring 44 urges the spring tube 43 to move downward, and the spring tube 43 urges the support plate 41 to open outward through the rotating plate 46, so that the scraper 42 can elastically contact with the inner wall of the heat exchange tube 33. Still be equipped with the linking piece between extension board 41 and the clearance axle 4, the linking piece includes slidable mounting at the epaxial smooth section of thick bamboo 47 of clearance, rotates the linking board 48 of installing at smooth section of thick bamboo 47 outer end, the outer end and the extension board 41 rotation of linking board 48 are connected, improve the stability that extension board 41 and clearance axle 4 are connected.
In this embodiment, the upper flue gas channel 31 and the lower flue gas channel 32 are respectively provided with a wind shielding plate 35, and form a plurality of wind shielding chambers, and the wind shielding chambers convey flue gas through the heat exchange tubes 33, so that the flue gas flows along the S-shaped direction and is finally discharged through the smoke extractor.
In this embodiment, one side of the heat exchange chamber 3 far away from the furnace body 2 is provided with a bellows 6, a blower 61 is installed in the bellows 6, an air inlet of the blower 61 is provided with a filter 62, an air outlet of the blower 61 is communicated with the heat exchange chamber 3, cold air blown by the blower 61 is in contact with the tail end of the heat exchange chamber 3 so as to preheat air flow, and after the air flow is blocked by the wind guard 34, the air flow winds and flows in the heat exchange chamber, and the air flow is gradually heated, so that the air temperature is improved. Specifically, the airflow of the traditional hot blast stove is consistent with the flow direction of the smoke, after the airflow exchanges heat with the high-temperature smoke, the temperature rises, so that the smoke at the tail end of the heat exchange chamber 3 is not greatly different from the airflow in stability, and therefore, the heat exchange cannot be continuously carried out, and the temperature of the smoke discharged is higher, so that the energy consumption is larger; the air flow of the device is opposite to the direction of the flue gas, and the air flow firstly exchanges heat with the tail end of the heat exchange tube 33, so that the temperature of the discharged flue gas is lower, and the heat exchange efficiency can be improved. The filter 62 is detachably provided with a filter core 63, and the outer end of the filter core is provided with a handle 64 so as to be convenient for personnel to clean and replace regularly.
The working principle of the invention is as follows: the air flow in the heat exchange chamber 3 and the flow direction of the flue gas are opposite, the air flow exchanges heat with the tail end of the heat exchange tube 33, the temperature of the discharged flue gas is low, the air flow is blocked by the wind shield 34, and the air flow flows along the wind shield 34 in a coiling way so as to be fully contacted with the heat exchange tube 33, and the heat exchange efficiency is improved. The cleaning mechanism drives the cleaning shaft 4 to rotate through the transmission case 5, the cleaning shaft 4 drives the scraping assembly to rotate, the spring 44 pushes the spring barrel 43 to move downwards, the spring barrel 43 pushes the support plate 41 to open outwards through the rotating plate 46, the scraping plate 42 can be in elastic contact with the inner wall of the heat exchange tube 33, and the cleaning shaft 4 drives the scraping plate 42 to rotate so as to clean particles adhered to the inner wall of the heat exchange tube 33, so that the heat exchange efficiency of air flow and the heat exchange tube 33 is improved, the energy utilization efficiency is improved, and the energy-saving effect is achieved.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof. It is noted that relational terms such as first and second, and the like, if any, are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (5)
1. The utility model provides an energy-conserving hot-blast furnace of high-efficient heat transfer of living beings, includes the organism and installs the furnace body in one side in the organism, sets up the heat transfer chamber at the opposite side, the upper end of heat transfer chamber is installed and is gone up the flue gas passageway, and the lower flue gas passageway is installed to the lower extreme of heat transfer chamber, go up the flue gas passageway and down the flue gas passageway between distribute and install a plurality of heat exchange tube to carry high temperature flue gas, its characterized in that: the wind shields are arranged between the heat exchange tubes in a distributed manner and are respectively arranged at the upper end and the lower end of the heat exchange chamber at intervals, so that air flows flow along the wind shields in a coiling manner so as to be fully contacted with the heat exchange tubes, and the heat exchange efficiency is improved; the cleaning mechanism comprises a cleaning shaft, a transmission box arranged at the upper end of the cleaning shaft and a scraping component arranged at the outer end of the cleaning shaft, the cleaning shaft penetrates through the heat exchange pipe, the upper end of the cleaning shaft is in transmission connection with the transmission box, the transmission box drives the cleaning shaft to rotate, the lower end of the cleaning shaft is rotatably arranged on a bearing seat, and the cleaning shaft drives the scraping component to clean the inner wall of the heat exchange pipe;
a plurality of driven gears are distributed in the transmission case corresponding to the cleaning shafts, the driven gears transversely arranged in the transmission case are sequentially connected in a meshed mode, synchronous transmission is achieved, a driving shaft in transmission connection with the driven gears is arranged on the outer side of the transmission case, the driving shaft is externally connected with a driving motor, threaded portions are arranged on the driving shaft at intervals and are respectively connected with a driving gear in a meshed mode through the threaded portions, the lower ends of the driving gears are coaxially connected with transmission gears, the transmission gears are connected with the driven gears, and all the longitudinal driven gears and the transverse driven gears in the transmission case are synchronously connected;
the scraping assembly comprises support plates arranged on two sides of the cleaning shaft and elastic pressing pieces arranged on the upper end and the lower end of the cleaning shaft, a scraping plate is fixedly arranged at the outer end of the support plates so as to scrape the inner wall of the heat exchange tube, and the two ends of the support plates are respectively connected with the elastic pressing pieces so that the support plates are elastically outwards opened to be attached to the inner wall of the heat exchange tube and avoid hard contact with the inner wall of the heat exchange tube; the spring pressing piece comprises a spring barrel sleeved on the cleaning shaft, a spring sleeved on the cleaning shaft is arranged at the upper end of the spring barrel, one end of the spring abuts against the spring barrel, the other end of the spring abuts against a pressing plate fixedly installed on the cleaning shaft, two ends of the spring barrel are respectively connected with the supporting plate through a rotating plate, one end of the rotating plate is rotationally connected with the spring barrel, and the other end of the rotating plate is rotationally connected with the supporting plate.
2. The biomass efficient heat-transfer energy-saving hot blast stove as claimed in claim 1, wherein: still be equipped with the linking piece between extension board and the clearance axle, the linking piece includes slidable mounting at the epaxial smooth section of thick bamboo of clearance, rotates the linking board of installing at smooth section of thick bamboo outer end, the outer end and the extension board rotation of linking board are connected, improve the stability that extension board and clearance axle are connected.
3. The biomass efficient heat-transfer energy-saving hot blast stove as claimed in claim 1, wherein: the upper flue gas channel and the lower flue gas channel are respectively provided with an air baffle plate, a plurality of air baffle chambers are formed, the air baffle chambers convey flue gas through heat exchange tubes, so that the flue gas flows along the S-shaped direction and is finally discharged through a smoke extractor.
4. A biomass efficient heat transfer energy-saving hot blast stove as claimed in claim 3, wherein: a bellows is arranged on one side of the heat exchange chamber away from the furnace body, a blower is arranged in the bellows, a filter is arranged at an air inlet of the blower, an air outlet of the blower is communicated with the heat exchange chamber, the cold air blown by the blower contacts with the tail end of the heat exchange chamber to preheat the air flow, and the air flow is coiled and flows in the heat exchange box after being blocked by the wind shield, so that the air flow is gradually heated, and the air temperature is improved.
5. The biomass efficient heat-transfer energy-saving hot blast stove as claimed in claim 4, wherein: the filter is detachably provided with a filter core, and the outer end of the filter core is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211372640.6A CN115751711B (en) | 2022-11-03 | 2022-11-03 | Biomass efficient heat-transfer energy-saving hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211372640.6A CN115751711B (en) | 2022-11-03 | 2022-11-03 | Biomass efficient heat-transfer energy-saving hot-blast stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115751711A CN115751711A (en) | 2023-03-07 |
| CN115751711B true CN115751711B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211372640.6A Active CN115751711B (en) | 2022-11-03 | 2022-11-03 | Biomass efficient heat-transfer energy-saving hot-blast stove |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203148024U (en) * | 2012-09-12 | 2013-08-21 | 合肥三伍机械有限公司 | Hot blast stove with transversely arranged heat exchange tubes |
| CN212320078U (en) * | 2020-06-17 | 2021-01-08 | 五峰檀木农业机械股份有限公司 | Multi-stage heat exchange system of hot blast stove |
| CN212620285U (en) * | 2020-07-14 | 2021-02-26 | 山东科技大学 | High-performance chemical tubular heat exchanger |
-
2022
- 2022-11-03 CN CN202211372640.6A patent/CN115751711B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203148024U (en) * | 2012-09-12 | 2013-08-21 | 合肥三伍机械有限公司 | Hot blast stove with transversely arranged heat exchange tubes |
| CN212320078U (en) * | 2020-06-17 | 2021-01-08 | 五峰檀木农业机械股份有限公司 | Multi-stage heat exchange system of hot blast stove |
| CN212620285U (en) * | 2020-07-14 | 2021-02-26 | 山东科技大学 | High-performance chemical tubular heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN115751711A (en) | 2023-03-07 |
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