CN220083327U - Heat conduction oil central heating system of coating production line - Google Patents
Heat conduction oil central heating system of coating production line Download PDFInfo
- Publication number
- CN220083327U CN220083327U CN202320018295.XU CN202320018295U CN220083327U CN 220083327 U CN220083327 U CN 220083327U CN 202320018295 U CN202320018295 U CN 202320018295U CN 220083327 U CN220083327 U CN 220083327U
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- heat
- oil
- heat transfer
- transfer oil
- hot water
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 238000000576 coating method Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003546 flue gas Substances 0.000 claims abstract description 26
- 238000011084 recovery Methods 0.000 claims abstract description 24
- 239000002918 waste heat Substances 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a heat conduction oil central heating system of a coating production line, which comprises a heat conduction oil boiler arranged in a boiler room, wherein the heat conduction oil boiler is connected with a heat exchange device used for sending process hot air formed by heat exchange to the inside of a chamber body of a drying chamber through a heat conduction oil circulation pipeline, and a high-temperature flue gas discharge port of the heat conduction oil boiler is connected with a flue gas waste heat recovery device through a heat conduction oil boiler fire grate smoke pipe; the flue gas waste heat recovery device is connected to the pretreatment tank body and the air conditioner heating section through a hot water supply pipe and a hot water return pipe; the heat transfer device is connected with a heat transfer oil supply pipeline of the heat transfer oil circulation pipeline through a circulation heat transfer pipeline and is used for conveying heat on the heat transfer oil side to the pretreatment tank body and the air conditioner heating section through the hot water supply pipe and the hot water return pipe. The utility model provides centralized heat supply for the coating production line, is stable and reliable, and meets the technological function requirements.
Description
Technical Field
The utility model relates to the technical field of heat supply of coating production lines, in particular to a heat conduction oil central heating system of a coating production line.
Background
At present, a distributed heating mode is mainly adopted as a heat source of a drying process of an automobile coating production line at home and abroad, natural gas is adopted as energy supply by taking a single drying chamber or a single heating area of each drying chamber as a unit, and circulating air for the drying chamber is directly or indirectly heated by heat generated by natural gas combustion, so that the main defects are low distributed heating efficiency and high energy consumption; the energy storage function is absent, the burner is required to be started and stopped when single-line start and stop occurs in production arrangement, the process temperature in the drying chamber fluctuates greatly, and the working condition recovery time is long; the distributed heat supply single machine has smaller power, which is not beneficial to improving the heat efficiency and reducing the emission indexes such as NOX.
Disclosure of Invention
The utility model aims at solving the technical defects existing in the prior art and provides a heat conduction oil central heating system of a coating production line.
The technical scheme adopted for realizing the purpose of the utility model is as follows:
the utility model provides a coating production line conduction oil central heating system, includes the conduction oil boiler that arranges in the boiler room, the conduction oil boiler is connected with the heat transfer device who is used for sending the technology hot-blast of heat transfer formation to the inside room body of drying chamber through conduction oil circulation pipeline, the high temperature flue gas discharge port of conduction oil boiler is connected with flue gas waste heat recovery device through conduction oil boiler fire grate tobacco pipe, discharges after reducing the exhaust gas temperature to predetermined temperature; the flue gas waste heat recovery device is connected to the pretreatment tank body and the air conditioner heating section through a hot water supply pipe and a hot water return pipe, and hot water heated by recovered heat is sent to the pretreatment tank body and the air conditioner heating section for use; the heat-conducting oil heat recovery device is connected with a heat-conducting oil supply pipeline of the heat-conducting oil circulation pipeline through a circulation heat exchange pipeline and is used for conveying heat on the heat-conducting oil side to the pretreatment tank body and the air conditioner heating section for use through the hot water supply pipe and the hot water return pipe.
Preferably, a first regulating valve group is arranged on the heat conducting oil circulating pipeline to regulate the heat load required by the heat exchange device.
Preferably, a solar radiation plate heat supplementing device is arranged on the roof of the workshop and is connected to the heat conducting oil loop of the heat conducting oil circulating pipeline through a second regulating valve in a connecting mode, and the solar radiation plate heat supplementing device is used for heating heat conducting oil in the loop through collecting solar energy and returning the heated heat conducting oil to the heat conducting oil circulating pipeline.
Preferably, the heat conducting oil side of the heat conducting oil heat recovery device is connected with the heat conducting oil circulating pipeline through a third regulating valve group, and the hot water side is connected with the hot water return pipe through a fourth regulating valve group.
Preferably, the heat exchange device comprises a fan and a heat conducting oil heat exchanger which are arranged in the box body; the heat conduction oil heat exchanger is connected with a heat conduction oil inlet main pipe and a heat conduction oil outlet main pipe, and the heat conduction oil inlet main pipe and the heat conduction oil outlet main pipe are connected with the heat conduction oil circulation pipeline through a first regulating valve group.
Preferably, an oil pump is arranged on the conduction oil return pipe of the conduction oil circulation pipeline, and the conduction oil return pipe is connected with an oil inlet and outlet of the oil storage tank through a fifth valve group and an oil inlet and outlet pipeline.
Preferably, the flue gas waste heat recovery device is provided with a water regulating valve at the water side, and two ends of the water regulating valve are connected with the hot water supply pipe and the hot water return pipe.
Preferably, the conduction oil boiler is provided with a conduction oil adjusting valve at the conduction oil side, and two ends of the conduction oil adjusting valve are connected with the conduction oil supply pipe and the conduction oil return pipe.
According to the heat conduction oil central heating system of the coating production line, only the heat conduction oil boiler is arranged in the independent boiler room, and only the heat conduction oil water supply and return pipeline and the heat exchanger are arranged in the coating workshop, so that the arrangement of the natural gas pipeline, the hydrogen pipeline or the bus bar in the workshop is reduced, and the safety of the workshop is integrally improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the heat conduction oil central heating system of the coating production line.
Fig. 2 to 5 are partial enlarged schematic views of the heat transfer oil central heating system of the coating production line of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
According to the embodiment of the utility model, on the premise of integrally planning the process heat supply requirement of the coating workshop, a centralized heat supply system of a fuel gas, fuel hydrogen or electric heating conduction oil boiler is adopted, heat is supplied to the drying chamber through the heat conduction oil distribution system, and meanwhile, the waste heat recovery device and the solar radiation plate heat supplementing device are arranged in a matched manner, so that low-carbon economy, stability and reliability are realized to the maximum extent, and the process function requirement is met.
As shown in fig. 1-5, the heat conducting oil central heating system of the coating production line in the embodiment of the utility model comprises a heat conducting oil boiler 1, a heat conducting oil circulation pipeline 2, a heat exchanging device 3, a boiler smoke exhaust pipe 4, a flue gas waste heat recovery device 5, a hot water supply pipe 6, a hot water return pipe 7, a heat conducting oil heat recovery device 8 and a solar radiation plate heat supplementing device 9, wherein the heat conducting oil boiler 1 is connected with the flue gas waste heat recovery device 5 through the boiler smoke exhaust pipe 4, the flue gas waste heat recovery device 5 is connected with a pretreatment tank 19 and an air conditioner heating section 20 through the hot water supply pipe 6, the heat conducting oil heating heat exchanger of the heat conducting oil boiler 1 is connected with the heat conducting oil heat exchanger of the heat exchanging device inside the heat exchanging device 3 through the heat conducting oil circulation pipeline 2, the heat recovering heat exchanger inside the heat conducting oil heat recovering device 8 is connected with the heat conducting oil supply pipe of the heat conducting oil circulation pipeline 2, and the solar radiation plate heat supplementing device 9 is heated by solar energy, and the heat conducting oil heat exchanger is connected with the heat conducting oil return pipe of the heat conducting oil circulation pipeline 2.
The heat exchange device 3 comprises a fan 15 and a filter 16, the heat exchange device is connected with a heat transfer oil heat exchanger 17, the heat exchange device is connected with a heat transfer oil inlet main pipe 10 and a heat transfer oil outlet main pipe 11 of the heat exchange device, the heat transfer oil inlet main pipe 10 and the heat transfer oil outlet main pipe 11 of the heat exchange device are connected with the heat transfer oil circulation pipeline 2 through a first regulating valve group 12, and the filter 16 is used for filtering circulating air.
The solar radiation plate heat supplementing device 9 is connected with the heat conducting oil circulating pipeline 2 through the second regulating valve group 13, the heat conducting oil side of the heat conducting oil heat recovery device 8 is connected with the heat conducting oil circulating pipeline 2 through the third regulating valve group 14, and the hot water side is connected with the hot water return pipe through the fourth regulating valve group 21.
The heat conducting oil circulation pipeline 2 comprises a heat conducting oil supply pipe and a heat conducting oil return pipe, and is connected with the oil storage tank 23 and the oil pump 24, the oil pump is connected to the heat conducting oil return pipe, the oil storage tank 23 is provided with an oil inlet and an oil outlet, and the oil inlet and the oil outlet are connected with the heat conducting oil return pipe through a fifth regulating valve group.
The flue gas side of the flue gas waste heat recovery device 5 is connected with the boiler flue gas exhaust pipe 4, the water side is connected with the hot water supply pipe 6 and the hot water return pipe 7 through the water regulating valve 18, and the heat recovered by the hot water is used for being supplied to the pretreatment tank 19 for heating or the air conditioner heating section 20 for use.
The heat conduction oil boiler is provided with a heat conduction oil adjusting valve at the heat conduction oil side, and two ends of the heat conduction oil adjusting valve are connected with the heat conduction oil supply pipe and the heat conduction oil return pipe.
The heat-conducting oil boiler 1 can be divided into four types of fuel gas type, hydrogen type, mixed gas (hydrogen+natural gas) type or electric heating type.
In specific implementation, at least 2 heat conduction oil boilers 1 can be arranged in a boiler room according to the overall functional requirements of a coating workshop, and in normal production operation, the heat conduction oil boilers 1 stably operate according to production load, and generated heat is conveyed to the heat exchange device 3 through the heat conduction oil circulation pipeline 2. The heat exchanging device 3 adjusts the required heat load through the first regulating valve group 12 on the heat conducting oil circulation pipeline, and heats the circulated air to the process temperature and sends the circulated air to the inside of the drying chamber 22. The high-temperature flue gas discharged by the conduction oil boiler 1 is recycled through the flue gas waste heat recycling device 5, and the flue gas temperature is reduced to about 120 ℃ and then discharged at high altitude. The heat recovered by the flue gas waste heat recovery device 5 heats hot water, and the hot water is conveyed to the pretreatment tank 19 and the air conditioner heating section 20 for use through the hot water supply pipe 6 and the hot water return pipe 7. When the waste heat recovered by the flue gas does not meet the requirement of the pretreatment tank 19 and the air conditioner heating section 20 or the temperature of the heat conducting oil exceeds the temperature, the heat conducting oil heat recovery device 8 transfers heat on the heat conducting oil side to hot water through the heat conducting oil heat recovery device 8, and the hot water is conveyed to the pretreatment tank 19 and the air conditioner heating section 20 for use through the hot water supply pipe 6 and the hot water return pipe 7. A solar radiation plate heat supplementing device 9 is arranged on the roof of the workshop, heat conduction oil is heated by collecting solar energy, and the heated heat conduction oil is returned to the heat conduction oil circulation pipeline 2.
The utility model has the following remarkable characteristics:
1) Besides using natural gas as fuel, the heat-conducting oil boiler can use hydrogen or electric heating, and can effectively reduce carbon emission.
2) The oil storage tank is arranged on the heat conduction oil supply main pipe, a small amount of energy storage function is provided besides the pressure stabilizing function, the frequent adjustment of output load of the boiler can be avoided when the short-term production of the production line fluctuates, and the stable operation of the system and the control of technological parameters and emission parameters are facilitated.
3) The solar radiation plate heat supplementing device reasonably utilizes green energy and effectively reduces carbon emission.
4) The flue gas waste heat recovery device effectively reduces the exhaust gas temperature, the recovered heat is supplied to other equipment in a workshop for use, the cascade utilization of high-grade heat energy and low-grade heat energy is realized, and the energy utilization efficiency is integrally improved.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The heat conduction oil central heating system of the coating production line is characterized by comprising a heat conduction oil boiler arranged in a boiler room, wherein the heat conduction oil boiler is connected with a heat exchange device used for sending process hot air formed by heat exchange to the inside of a chamber body of a drying chamber through a heat conduction oil circulation pipeline, and a high-temperature flue gas discharge port of the heat conduction oil boiler is connected with a flue gas waste heat recovery device through a heat conduction oil boiler flue gas discharging pipe to reduce the temperature of discharged flue gas to a preset temperature and then discharge the flue gas; the flue gas waste heat recovery device is connected to the pretreatment tank body and the air conditioner heating section through a hot water supply pipe and a hot water return pipe, and hot water heated by recovered heat is sent to the pretreatment tank body and the air conditioner heating section for use; the heat-conducting oil heat recovery device is connected with a heat-conducting oil supply pipeline of the heat-conducting oil circulation pipeline through a circulation heat exchange pipeline and is used for conveying heat on the heat-conducting oil side to the pretreatment tank body and the air conditioner heating section for use through the hot water supply pipe and the hot water return pipe.
2. The concentrated heating system for heat transfer oil of a coating production line according to claim 1, wherein a first regulating valve group is arranged on the heat transfer oil circulation pipeline to regulate the heat load required by the heat exchange device.
3. The concentrated heating system for the heat transfer oil of the coating production line according to claim 2, wherein a solar radiation plate heat supplementing device is arranged on a roof of a workshop and is connected to a heat transfer oil loop of the heat transfer oil circulation pipeline through a second regulating valve in a group, and the heat transfer oil loop is heated by collecting solar energy, and the heated heat transfer oil is returned to the heat transfer oil circulation pipeline.
4. A heat transfer oil central heating system of a coating production line according to claim 3, wherein the heat transfer oil side of the heat transfer oil heat recovery device is connected with the heat transfer oil circulation pipeline through a third regulating valve group, and the hot water side is connected with the hot water return pipe through a fourth regulating valve group.
5. The centralized heating system for the heat transfer oil of the coating production line according to claim 1, wherein the heat exchange device comprises a fan and a heat transfer oil heat exchanger which are arranged in the box body; the heat conducting oil heat exchanger is connected with the heat conducting oil inlet main pipe and the heat conducting oil outlet main pipe.
6. The centralized heating system for heat transfer oil in a coating production line according to claim 1 or 5, wherein an oil pump is arranged on a heat transfer oil return pipe of the heat transfer oil circulation pipeline, and the oil pump is connected with an oil inlet and outlet of an oil storage tank through a fifth valve group and an oil inlet and outlet pipeline.
7. The central heating system for heat transfer oil of a coating production line according to claim 1, wherein the flue gas waste heat recovery device is provided with a water regulating valve at a water side, and two ends of the water regulating valve are connected with the hot water supply pipe and the hot water return pipe.
8. The concentrated heating system for heat transfer oil in a coating line according to claim 6, wherein the heat transfer oil boiler is provided with a heat transfer oil adjusting valve on a heat transfer oil side, and both ends of the heat transfer oil adjusting valve are connected to the heat transfer oil supply pipe and the heat transfer oil return pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210100525.7A CN114485139A (en) | 2022-01-27 | 2022-01-27 | Heat conduction oil centralized heating system for coating production line |
| CN2022101005257 | 2022-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220083327U true CN220083327U (en) | 2023-11-24 |
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ID=81477530
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210100525.7A Pending CN114485139A (en) | 2022-01-27 | 2022-01-27 | Heat conduction oil centralized heating system for coating production line |
| CN202320018295.XU Active CN220083327U (en) | 2022-01-27 | 2023-01-05 | Heat conduction oil central heating system of coating production line |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210100525.7A Pending CN114485139A (en) | 2022-01-27 | 2022-01-27 | Heat conduction oil centralized heating system for coating production line |
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| Country | Link |
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| CN (2) | CN114485139A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201837064U (en) * | 2010-09-14 | 2011-05-18 | 王海波 | Highly-efficiently waste heat recovery system with organic heat carrier boiler |
| CN102537917A (en) * | 2012-02-02 | 2012-07-04 | 王海波 | Boiler smoke-gas residual-heat recovering device with temperature regulator |
| CN104613747A (en) * | 2015-01-23 | 2015-05-13 | 福建大中城市环保技术有限公司 | Synthetic leather printing line heated by mini-type thermal conductivity oil furnace |
| CN106765481A (en) * | 2016-11-28 | 2017-05-31 | 王永娟 | A kind of conduction oil central heating system and energy-saving heating method |
| CN209726512U (en) * | 2019-03-13 | 2019-12-03 | 常州能源设备总厂有限公司 | Conduction oil heating system |
-
2022
- 2022-01-27 CN CN202210100525.7A patent/CN114485139A/en active Pending
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2023
- 2023-01-05 CN CN202320018295.XU patent/CN220083327U/en active Active
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| CN114485139A (en) | 2022-05-13 |
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