CN114672625A - Energy-saving energy-storage environment-friendly salt bath furnace for heat treatment - Google Patents
Energy-saving energy-storage environment-friendly salt bath furnace for heat treatment Download PDFInfo
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- CN114672625A CN114672625A CN202210430858.6A CN202210430858A CN114672625A CN 114672625 A CN114672625 A CN 114672625A CN 202210430858 A CN202210430858 A CN 202210430858A CN 114672625 A CN114672625 A CN 114672625A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 72
- 238000004146 energy storage Methods 0.000 title claims abstract description 48
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 238000004321 preservation Methods 0.000 claims abstract description 50
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 239000002918 waste heat Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000008901 benefit Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 238000006386 neutralization reaction Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention discloses an energy-saving energy-storage environment-friendly heat treatment salt bath furnace, which comprises a heat-preservation energy-storage box, a temperature control device, a salt bath furnace body and a waste heat recovery circulating device arranged on one side of the salt bath furnace body, wherein the top of the heat-preservation energy-storage box is provided with a second electromagnetic valve through a pipeline, a recovery pipe and a heat supplementing pipe are respectively arranged between the waste heat recovery circulating device and the heat-preservation energy-storage box, the outside of the salt bath furnace body is provided with a heat-preservation structure, and a road of the salt bath furnace body is connected with a smoke dust filtering structure, and the invention relates to the technical field of energy-preservation environment-friendly waste heat recovery of the salt bath furnace, which is characterized in that: the energy-saving, energy-storage and environment-friendly energy-saving waste heat recovery device has the advantages of saving energy, storing energy and protecting environment, effectively reduces energy waste, recycles waste heat, is suitable for low-carbon, environment-friendly, energy-saving and emission-reduction, and meets the national important target of carbon peak-to-peak and carbon neutralization.
Description
Technical Field
The invention relates to the technical field of energy storage and environment-friendly waste heat recovery of salt bath furnaces, in particular to an energy-saving energy storage and environment-friendly heat treatment salt bath furnace.
Background
The outer shell of the heat treatment salt bath furnace is formed by welding angle steel and steel plates, an inner container made of steel plates is arranged in the outer shell, a hearth is built in the inner container by refractory bricks, and heat insulation bricks are built between the inner container and the outer shell and are filled with heat insulation powder. The electrodes are embedded from the side surface of the bottom of the salt bath, one surface is exposed out of the salt bath, the other three surfaces are embedded in the refractory bricks, and the salt furnace selects salts with different components as heating agents according to different working temperatures. When the salt furnace is started, a starting electrode is used, and after the salt is melted, the current passes through the conductive dissolved salt to continuously generate heat so as to keep the salt in a molten state. Under the action of electromagnetic force, the molten salt is circulated continuously to heat the workpiece quickly and uniformly. The salt bath heat furnace has the advantages of large comprehensive heat exchange coefficient, high workpiece heating speed, close contact between the workpiece and bath liquid, uniform heating and small deformation. The bath furnace has large heat capacity and small heating temperature fluctuation, is easy to maintain a neutral state, realizes non-oxidation and non-decarburization heating, and is easy to realize the local heating operation of workpieces. The defects that the heat treatment salt bath furnace causes certain pollution to the environment, is easy to cause occupational hazards to human bodies of operators, has high power and high energy consumption, increases the manufacturing cost of enterprises to products, and wastes limited resources. Because most enterprises call for peak-shifting power utilization in the state, the heat treatment salt bath furnace is used in the power utilization valley period from 22:00 to 06:00 every day, the heat treatment salt bath furnace is suspended from 07:00 to 22:00, the temperature of the furnace body is rapidly reduced during the stop period, and the furnace body needs to be heated up and heated when working next time, and the temperature difference of the furnace body is large, so that the service life of the furnace body is reduced, the energy consumption required by heating is increased, and the carbon reaches the important target of peak neutralization and carbon neutralization in view of effectively implementing low-carbon, environment-friendly, energy-saving and emission reduction in the state; therefore, we propose an energy-saving energy-storage environment-friendly heat treatment salt bath furnace so as to solve the above-mentioned problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an energy-saving energy-storage environment-friendly heat treatment salt bath furnace, which solves the problem of large energy loss of the existing salt bath furnace.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an energy-conserving energy storage environmental protection heat treatment salt bath furnace, includes heat preservation energy storage case, temperature control device, salt bath furnace body and locates the waste heat recovery circulating device of salt bath furnace body one side, heat preservation energy storage roof portion is equipped with second electromagnetism water valve through the pipeline, waste heat recovery circulating device with be provided with the accumulator and mend the heat pipe between the heat preservation energy storage case respectively, be equipped with first manometer on the accumulator, mend and be equipped with first motor circulating pump, third electromagnetism water valve and second motor circulating pump, fourth electromagnetism water valve on the heat pipe, first motor circulating pump, third electromagnetism water valve with second motor circulating pump, fourth electromagnetism water valve are parallelly connected, it is equipped with the second manometer just to be close to waste heat recovery circulating device one side department on the heat pipe, just be close to second electromagnetism water valve one side department by supreme first liquid level ware of being provided with down in the heat preservation energy storage case, The heat-insulation salt bath furnace comprises a second liquid level device and a third liquid level device, wherein a temperature detection probe is arranged in the heat-insulation energy storage box and on one side close to a first motor circulating pump, a heat-insulation structure is arranged outside the salt bath furnace body, and a smoke dust filtering structure is connected to the furnace mouth of the salt bath furnace body.
Preferably, the temperature control device is electrically connected with each electromagnetic water valve.
Preferably, the heat preservation structure comprises a furnace cover heat preservation device, an upper heat preservation device and a furnace body side heat preservation device which are arranged on the outer side of the salt bath furnace body.
Preferably, the smoke dust filtering structure comprises a smoke dust suction device arranged at a furnace mouth of the salt bath furnace body, the smoke dust suction device is connected with the input end of a smoke dust suction fan through a dust suction pipe, and the output end of the smoke dust suction fan is provided with filtering equipment.
Preferably, an infrared temperature measuring sensor is arranged in the salt bath furnace body.
Preferably, the bottom of the heat-preservation energy storage box is connected with a first electromagnetic water valve through a water outlet pipe.
Preferably, the water outlet pipe is connected with a pair of shunt pipes through a three-way joint.
Advantageous effects
The invention discloses an energy-saving energy-storage environment-friendly heat treatment salt bath furnace, which has the following beneficial effects: the invention adds a waste heat collecting and circulating system and a heat preservation device on the outer side of the salt bath furnace body, recovers waste heat to the heat preservation and energy storage box to finish energy storage work through the control of the temperature control system, when the heat treatment stops working in stages, the heat preservation and energy storage box starts to supplement heat reversely, so that the salt bath furnace body is slowly cooled, the salt bath furnace body is used for heat treatment work in the next stage and is used for energy storage, the temperature difference change of rapid reduction is reduced, the service life of the salt bath furnace can be greatly prolonged, and when the salt bath furnace body is heated again, the energy consumption required by heating can be reduced. A circle of smoke dust suction pipelines are additionally arranged at the furnace mouth, smoke generated during working and temperature rising is sucked away, and the smoke is sent to a filtering and dedusting device through the pipelines, so that the health injury of the smoke dust to workers is reduced. The invention relates to an energy-saving energy-storage environment-friendly heat treatment salt bath furnace, which is characterized in that: the energy-saving, energy-storage and environment-friendly energy-saving waste heat recovery device has the advantages of saving energy, storing energy and protecting environment, effectively reduces energy waste, recycles waste heat, is suitable for low-carbon, environment-friendly, energy-saving and emission-reduction, and meets the national important target of carbon peak-to-peak and carbon neutralization.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a heat preservation energy storage box; 2. a temperature control device; 3. a waste heat recovery circulating device; 4. a salt bath furnace body; 5. a furnace side heat preservation device; 6. a filtration device; 7. a temperature detection probe; 8. a first liquid level gauge; 9. a second liquid level device; 10. a third liquid level gauge; 11. a first electromagnetic water valve; 12. a second electromagnetic water valve; 13. a first motor circulation pump; 14. a second motor circulation pump; 15. a third electromagnetic water valve; 16. a fourth electromagnetic water valve; 17. a first pressure gauge; 18. a second pressure gauge; 19. a furnace cover heat preservation device; 20. an upper heat preservation device; 21. a smoke suction fan; 22. a smoke suction device; 23. an infrared temperature measuring sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides an energy-conserving energy storage environmental protection heat treatment salt bath furnace, includes heat preservation energy storage case 1, temperature control device 2, salt bath furnace body 4 and locates the waste heat recovery circulating device 3 of salt bath furnace body 4 one side, heat preservation energy storage case 1 top is equipped with second electromagnetism water valve 12 through the pipeline, waste heat recovery circulating device 3 with be provided with recovery tube and benefit heat pipe between the heat preservation energy storage case 1 respectively, be equipped with first manometer 17 on the recovery tube, be equipped with first motor circulating pump 13, third electromagnetism water valve 15 and second motor circulating pump 14, fourth electromagnetism water valve 16 on the benefit heat pipe, first motor circulating pump 13, third electromagnetism water valve 15 with second motor circulating pump 14, fourth electromagnetism water valve 16 are parallelly connected, on the benefit heat pipe and be close to waste heat recovery circulating device 3 one side department and be equipped with second manometer 18, just be close to second electromagnetism water valve 12 one side department in the heat preservation energy storage case 1 by supreme being provided with first level ware 8 side by side down, The temperature detection device comprises a second liquid level device 9 and a third liquid level device 10, wherein a temperature detection probe 7 is arranged in the heat-preservation energy-storage box 1 and on one side close to a first motor circulating pump 13, a heat preservation structure is arranged outside the salt bath furnace body 4, and a smoke dust filtering structure is connected to a furnace mouth of the salt bath furnace body 4; the heat preservation structure comprises a furnace cover heat preservation device 19, an upper heat preservation device 20 and a furnace body side heat preservation device 5 which are arranged on the outer side of the salt bath furnace body 4; the smoke dust filtering structure comprises a smoke dust suction device 22 arranged at the furnace mouth of the salt bath furnace body 4, the smoke dust suction device 22 is connected with the input end of a smoke dust suction fan 21 through a dust suction pipe, and the output end of the smoke dust suction fan 21 is provided with a filtering device 6; an infrared temperature measuring sensor 23 is arranged in the salt bath furnace body 4; the bottom of the heat-preservation energy-storage box 1 is connected with a first electromagnetic water valve 11 through a water outlet pipe; the water outlet pipe is connected with a pair of shunt pipes through a three-way joint.
The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.
Example (b): when water in the heat-preservation energy-storage box 1 is added to the first liquid level device 8, the second electromagnetic water valve 12 stops adding water under the control of the temperature control device 2, the salt bath furnace body 4 is controlled to be heated and work, the fourth electromagnetic water valve 16 is controlled to be closed, the second motor circulating pump is controlled to be closed, the third electromagnetic water valve 15 is opened, the first motor circulating pump 13 is controlled to work, when the data of the first pressure gauge 17 is detected to be incorrect, the third electromagnetic water valve 15 is closed, the first motor circulating pump 13 is closed, the fourth electromagnetic water valve 16 is opened, the second motor circulating pump 14 is controlled to work at the same time, the water with heat recovery is returned to the heat-preservation energy-storage box 1 through the waste heat recovery circulating device 3 and the furnace body side heat-preservation device 5, when the temperature detected by the temperature detection probe 7 reaches a set temperature value a, the second electromagnetic water valve 12 is opened to add water, and when the water level is added to the second liquid level device 9, the second electromagnetic water valve 12 is closed, and when the temperature detection probe 7 detects that the water temperature reaches a set temperature value b, the temperature control device 2 controls the first electromagnetic water valve 11 to be opened, so that the water heater can be used for heating and washing. When the temperature detection probe 7 detects that the water temperature reaches a set temperature value c, the second electromagnetic water valve 12 is opened to add water, and when the water level is added to the third liquid level device 10, the second electromagnetic water valve 12 is closed to prompt high-temperature early warning.
When the salt bath furnace body 4 starts to heat, the smoke suction fan 21 starts to work, smoke is sent in through the smoke suction device 22, and the filtering equipment 6 filters and purifies the smoke.
When the infrared temperature measurement sensor 23 detects that the medium in the salt bath furnace body 4 reaches the set temperature, the workpiece heating operation can be performed.
When the heat treatment salt bath furnace is suspended from 07:00 to 22:00, the heat preservation is carried out on the salt bath furnace body 4 through the furnace body furnace cover heat preservation device 19, the upper heat preservation device 20 and the furnace body side heat preservation device 5, and the reverse temperature supplement is carried out through the heat preservation energy storage box 1, so that the salt bath furnace body 4 is slowly cooled, the preheating time and energy loss of the salt bath furnace body 4 at the next time can be reduced, and the service life is reduced due to the temperature difference caused by the rapid change of refractory materials in the furnace body.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an energy-conserving energy storage environmental protection heat treatment salt bath furnace, its characterized in that, including heat preservation energy storage case (1), temperature control device (2), salt bath furnace body (4) and locate waste heat recovery circulating device (3) of salt bath furnace body (4) one side, heat preservation energy storage case (1) top is equipped with second electromagnetism water valve (12) through the pipeline, waste heat recovery circulating device (3) with be provided with recovery tube and benefit heat pipe respectively between heat preservation energy storage case (1), be equipped with first manometer (17) on the recovery tube, be equipped with first motor circulating pump (13), third electromagnetism water valve (15) and second motor circulating pump (14), fourth electromagnetism water valve (16) on the benefit heat pipe, first motor circulating pump (13), third electromagnetism water valve (15) with second motor circulating pump (14), fourth electromagnetism water valve (16) are parallelly connected, on the heat supply pipe and be close to waste heat recovery circulating device (3) one side department and be equipped with second manometer (18), just be close to second electromagnetism water valve (12) one side department in heat preservation energy storage box (1) and by supreme first level gauge (8), second level gauge (9) and third level gauge (10) of being provided with side by side down, just be close to first motor circulating pump (13) one side department in heat preservation energy storage box (1) and be equipped with temperature detection probe (7), salt bath furnace body (4) outside is provided with insulation construction, the fire door department of salt bath furnace body (4) is connected with smoke and dust filtration.
2. The energy-saving energy-storage environment-friendly heat treatment salt bath furnace according to claim 1, wherein the heat preservation structure comprises a furnace cover heat preservation device (19) arranged on the outer side of the salt bath furnace body (4), an upper heat preservation device (20) and a furnace body side heat preservation device (5).
3. The energy-saving energy-storage environment-friendly heat treatment salt bath furnace according to claim 2, wherein the smoke dust filtering structure comprises a smoke dust suction device (22) arranged at a furnace mouth of the salt bath furnace body (4), the smoke dust suction device (22) is connected with an input end of a smoke dust suction fan (21) through a dust suction pipe, and an output end of the smoke dust suction fan (21) is provided with a filtering device (6).
4. The energy-saving energy-storage environment-friendly heat treatment salt bath furnace according to claim 3, wherein an infrared temperature measuring sensor (23) is arranged in the salt bath furnace body (4).
5. The energy-saving energy-storage environment-friendly heat treatment salt bath furnace according to claim 2, wherein the bottom of the heat-preservation energy-storage box (1) is connected with a first electromagnetic water valve (11) through a water outlet pipe.
6. The energy-saving energy-storage environment-friendly heat treatment salt bath furnace according to claim 5, wherein the water outlet pipe is connected with a pair of shunt pipes through a tee joint.
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| CN202210430858.6A CN114672625B (en) | 2022-04-22 | 2022-04-22 | Energy-saving energy-storage environment-friendly heat treatment salt bath furnace |
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| CN202210430858.6A CN114672625B (en) | 2022-04-22 | 2022-04-22 | Energy-saving energy-storage environment-friendly heat treatment salt bath furnace |
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| CN114672625B CN114672625B (en) | 2023-12-12 |
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| CN111485079A (en) * | 2020-05-27 | 2020-08-04 | 秦皇岛信能能源设备有限公司 | Quenching tank waste heat recycling system and control method |
| CN211713158U (en) * | 2020-01-17 | 2020-10-20 | 凤城市千誉钛业有限公司 | Metal titanium heat treatment furnace with waste heat recovery structure |
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2022
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