CN113390121A - Heating system combining natural gas heat conduction oil boiler and high-temperature radiation heating terminal - Google Patents
Heating system combining natural gas heat conduction oil boiler and high-temperature radiation heating terminal Download PDFInfo
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- CN113390121A CN113390121A CN202110743643.5A CN202110743643A CN113390121A CN 113390121 A CN113390121 A CN 113390121A CN 202110743643 A CN202110743643 A CN 202110743643A CN 113390121 A CN113390121 A CN 113390121A
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- oil
- heat conduction
- natural gas
- conduction oil
- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D7/00—Central heating systems employing heat-transfer fluids not covered by groups F24D1/00 - F24D5/00, e.g. oil, salt or gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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- 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
- F24H7/005—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using fluid fuel
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- 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
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
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- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
Abstract
The invention discloses a heating system combining a natural gas heat-conducting oil boiler and a high-temperature radiation heating terminal, which comprises a heat-conducting oil circulating system and a control system, wherein the heat-conducting oil circulating system comprises a heat-conducting oil boiler and a high-temperature radiation heating terminal; also comprises a natural gas flow regulating valve and a temperature sensor. The invention takes high boiling point heat conduction oil as heat carrying medium, utilizes a gas boiler to heat the heat conduction oil to a higher temperature, and transmits the heat conduction oil to high temperature radiation heating terminals of each space in the building through a heat conduction oil pipeline, and heats the space in a radiation leading radiation mode; the central heating mode of adopting the high-temperature heating medium and the high-temperature heating terminal realizes the high-efficiency utilization of natural gas and obviously reduces the heat consumption of a heating system.
Description
Technical Field
The invention relates to the technical field of heating equipment, in particular to a heating system combining a natural gas heat conduction oil boiler and a high-temperature radiation heating terminal.
Background
Because of the requirement of atmosphere environmental protection, the traditional coal-fired heat source is gradually replaced by clean energy ways such as natural gas, but the problem of high cost exists in the heating by utilizing natural gas, and how to improve the energy utilization efficiency of natural gas becomes a problem which needs to be solved urgently. The current natural gas central heating mode is that a gas boiler is used for heating hot water, the hot water is conveyed to radiators or low-temperature hot water floor radiation heating terminals of all spaces in a building through a transmission and distribution pipe network, the design temperature of the hot water of the transmission and distribution pipe network is usually 60 ℃/45 ℃ and 45 ℃/35 ℃ respectively, the heating mode is that high-grade natural gas is directly combusted to realize the heating requirement of low-temperature level, and the utilization efficiency of system energy is low due to the utilization mode of the natural gas with high energy and low use.
The convection type heating terminal adopting a radiator and the like aims at heating the air in the whole building space, and the energy-saving property of heating is poor; the radiant heating terminal adopting the low-temperature hot water floor still has a large proportion of convection heat dissipation, and the energy-saving property of the radiant heating terminal applied to heating in a high and large space is still poor. If can adopt high temperature radiation formula heating terminal, because the radiant heat capacity is leading, directly to the work area heating of building space, can reduce the interior air temperature of space under the prerequisite that satisfies equal thermal comfort, and then reduce the heat consumption that causes by the inside and outside difference in temperature heat transfer of building, consequently have apparent energy-conserving advantage.
Disclosure of Invention
The invention aims to provide a heating system combining a natural gas heat conduction oil boiler and a high-temperature radiation heating terminal, which takes high-boiling-point heat conduction oil as a heat carrying medium, utilizes the gas boiler to heat the heat conduction oil to a higher temperature, and conveys the heat conduction oil to the high-temperature radiation heating terminals of each space in a building through a heat conduction oil pipeline, and heats the space by taking radiation as a leading heat radiation mode; the central heating mode adopting the high-temperature heating medium and the high-temperature heating terminal can realize the high-efficiency utilization of the natural gas, obviously reduce the heat consumption of a heating system and solve the problems of low natural gas utilization efficiency and unreasonable heating terminal mode in the natural gas central heating.
In order to solve the technical problems, the invention adopts the following technical scheme:
the heating system combining the natural gas heat conduction oil boiler with the high-temperature radiation heating terminal comprises a heat conduction oil circulating system and a control system, wherein the heat conduction oil circulating system comprises a heat conduction oil boiler and the high-temperature radiation heating terminal; the heat conducting oil boiler is communicated with a natural gas inlet pipeline to realize gas supply; the natural gas flow control device comprises a natural gas inlet pipeline, a natural gas flow control valve, a temperature sensor and a control system, wherein the natural gas inlet pipeline is provided with the natural gas flow control valve, the oil return pipeline is provided with the temperature sensor, the control system comprises a controller, and the natural gas flow control valve and the temperature sensor are electrically connected with the controller.
Further, the conduction oil boiler includes natural gas combustor, heat conduction grease chamber and combustion chamber, the natural gas combustor with the combustion chamber intercommunication, the heat conduction grease chamber is around setting up the periphery of combustion chamber, the natural gas combustor passes through natural gas inlet line and air feed end intercommunication, the oil-out of conduction oil boiler pass through first oil feed pipeline, second oil feed pipeline, third oil feed pipeline with the oil inlet intercommunication at high temperature radiation heating terminal, the oil return opening of conduction oil boiler loops through third oil return pipeline, second oil return pipeline, first oil return pipeline with high temperature radiation heating terminal oil-out intercommunication.
Furthermore, a first valve and a heat conduction oil flow regulating valve are arranged on the second oil supply pipeline, a second valve is arranged on the second oil return pipeline, a heat conduction oil circulating pump is arranged on the third oil return pipeline, and the heat conduction oil flow regulating valve and the heat conduction oil circulating pump are electrically connected with the controller.
Furthermore, an oil-gas separator is arranged on the third oil return pipeline, an expansion groove is connected to the oil-gas separator, and the oil-gas separator is located between the second oil return pipeline and the heat conduction oil circulating pump.
Furthermore, a plurality of high-temperature radiation heating terminals are connected with the heat-conducting oil boiler in parallel through a second oil supply pipeline and a second oil return pipeline.
Furthermore, the high-temperature radiation heating terminal comprises a plurality of radiation units, oil inlets of the radiation units are communicated with the second oil supply pipeline through a plurality of parallel third oil supply pipelines, and oil outlets of the radiation units are communicated with the second oil return pipeline through a plurality of parallel first oil return pipelines.
Furthermore, the controller, the natural gas flow regulating valve, the heat conduction oil circulating pump and the temperature sensor form a control system of the heating system.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention provides a heating system combining a natural gas heat conduction oil boiler and a high-temperature radiation heating terminal, which comprises a heat conduction oil circulating system and a controller, wherein the heat conduction oil circulating system comprises the heat conduction oil boiler and the high-temperature radiation heating terminal; the natural gas flow control valve, the temperature sensor and the heat conduction oil flow control valve are all electrically connected with the controller to realize automatic control and adjustment. The heating system mainly has a plurality of advantages:
1) the high-grade natural gas resource is fully utilized, high-temperature radiation is realized, the heat is supplied to an indoor working area by taking radiation as a leading heat dissipation mode, and the temperature difference heat consumption of a heating system is obviously reduced;
2) the invention uses the heat-conducting oil with high boiling point as the heat-carrying medium, uses the liquid phase to transmit heat energy, and can obtain higher use temperature under lower pressure, so that the whole system can work under lower pressure, thereby not only improving the system safety, but also reducing the equipment pressure bearing, and having certain significance for prolonging the service life of the equipment;
3) the invention increases the temperature of the heating medium, namely the temperature of the surface of the radiation plate, increases the heat emitted by the radiation plate to the outside, reduces the area of the radiation plate and reduces the equipment investment to a certain extent.
In general, the heat-conducting oil-fired building is reasonable and compact in layout, high-boiling-point heat-conducting oil is used as a heat-carrying medium, the heat-conducting oil is heated to a higher temperature by using a gas-fired boiler, and is conveyed to high-temperature radiation heating terminals of each space in the building through a heat-conducting oil pipeline, and the space is heated in a radiation-leading heat-radiating mode; the central heating mode of adopting the high-temperature heating medium and the high-temperature heating terminal realizes the high-efficiency utilization of natural gas and obviously reduces the heat consumption of a heating system.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of a heating system in which a natural gas heat transfer oil boiler is combined with a high temperature radiant heating terminal according to the present invention;
description of reference numerals: 1. a heat conducting oil boiler; 2. a high temperature radiant heating terminal; 3. a controller; 4. a natural gas inlet pipe; 5. a natural gas flow regulating valve; 6. a natural gas burner; 7. a heat conduction oil chamber; 8. a combustion chamber; 9. a first oil supply line; 10. a second oil supply line; 11. a third oil supply line; 12. a first oil return line; 13. a second oil return line; 14. a third oil return line; 15. a first valve; 16. a second valve; 17. a heat conducting oil flow regulating valve; 18. an oil-gas separator; 19. an expansion tank; 20. a heat transfer oil circulating pump; 21. a temperature sensor.
Detailed Description
As shown in fig. 1, a heating system combining a natural gas heat conduction oil boiler and a high-temperature radiation heating terminal comprises a heat conduction oil circulation system and a control system, wherein the heat conduction oil circulation system comprises a heat conduction oil boiler 1 and a high-temperature radiation heating terminal 2, an oil outlet of the heat conduction oil boiler 1 is connected with an oil inlet of at least one high-temperature radiation heating terminal 2 through an oil supply pipeline, and an oil outlet of the high-temperature radiation heating terminal 2 is connected with an oil inlet of the heat conduction oil boiler 1 through an oil return pipeline; the heat conducting oil boiler 1 is communicated with a natural gas inlet pipeline 4 to realize gas supply; the natural gas inlet pipeline 4 is provided with a natural gas flow regulating valve 5, the oil return pipeline is provided with a temperature sensor 21, the control system comprises a controller 3, and the natural gas flow regulating valve 5 and the temperature sensor 21 are electrically connected with the controller 3.
Specifically, heat conduction oil boiler 1 includes natural gas burner 6, heat conduction grease chamber 7 and combustion chamber 8, natural gas burner 6 with combustion chamber 8 intercommunication, heat conduction grease chamber 7 is around setting up the periphery of combustion chamber 8, natural gas burner 6 passes through natural gas inlet line 4 and air feed end intercommunication, heat conduction oil boiler 1's oil-out through first confession oil pipe way 9, second confession oil pipe way 10, third confession oil pipe way 11 with high temperature radiation heating terminal 2's oil inlet intercommunication, heat conduction oil boiler 1's oil return opening loop through third oil return pipe way 14, second oil return pipe way 13, first oil return pipe way 12 with high temperature radiation heating terminal 2 oil-out intercommunication.
The oil supply system is characterized in that a first valve 15 and a heat conduction oil flow regulating valve 17 are arranged on the second oil supply pipeline 10, a second valve 16 is arranged on the second oil return pipeline 13, a heat conduction oil circulating pump 20 is arranged on the third oil return pipeline 14, and the heat conduction oil flow regulating valve 17 and the heat conduction oil circulating pump 20 are electrically connected with the controller 3.
Specifically, an oil-gas separator 18 is arranged on the third oil return pipeline 14, an expansion groove 19 is connected to the oil-gas separator 18, and the oil-gas separator 18 is located between the second oil return pipeline 13 and the heat conduction oil circulating pump 20. The oil-gas separator 18 is designed to separate water vapor from the heat transfer oil and discharge the water vapor out of the boiler, so that the stability of the oil outlet pressure of the heat transfer oil boiler is ensured; the expansion tank 19 functions as: 1) the oil injection device is used as an intermediate tank during oil injection, namely, heat conduction oil is injected into a system from the expansion tank through the oil-gas separator; 2) discharging gas in the temperature rising process; 3) supplementing heat conduction oil; 4) the groove is arranged at a high position and plays a role of supplementing a pressure head; 5) and storing the heated expansion amount of the heat transfer oil.
And the plurality of high-temperature radiant heating terminals 2 are connected with the conduction oil boiler 1 in parallel through a second oil supply pipeline 10 and a second oil return pipeline 13. The high-temperature radiation heating terminal 2 comprises a plurality of heat radiation units, oil inlets of the heat radiation units are communicated with the second oil supply pipeline 10 through a plurality of third oil supply pipelines 11 which are parallel, and oil outlets of the heat radiation units are communicated with the second oil return pipeline 13 through a plurality of first oil return pipelines 12 which are parallel.
Specifically, the controller 3, the natural gas flow regulating valve 5, the heat transfer oil flow regulating valve 17, the heat transfer oil circulating pump 20 and the temperature sensor 21 form a complete control system of the heating system.
The working process of the invention is as follows:
1) heating process of heat conducting oil: natural gas enters the natural gas combustor 6 through the natural gas inlet pipeline 4 and is fully combusted in the combustion chamber 8, and then heat conduction oil in the heat conduction oil chamber 7 is heated;
2) the process of outputting, radiating and refluxing the heat conducting oil comprises the following steps: the heated heat conduction oil is conveyed to a plurality of heat radiation units of the high-temperature radiation heating terminal 2 through a first oil supply pipeline 9, a second oil supply pipeline 10 and a third oil supply pipeline 11, and is used for heating indoors in a radiation-dominant heat radiation mode, and the heat conduction oil after heat radiation and temperature reduction finally flows back to the heat conduction oil chamber 7 through a first oil return pipeline 12, a second oil return pipeline 13 and a third oil return pipeline 14 to be reheated, so that a heat conduction oil heating, flowing, heat radiation and backflow circulation system is formed;
3) adjusting the flow of the heat conduction oil: the oil return temperature is sensed in real time through the temperature sensor 21 on the oil return pipeline and data are transmitted into the controller 3, and the controller 3 controls and adjusts the opening degrees of the natural gas flow regulating valve 5, the heat transfer oil flow regulating valve 17 and the heat transfer oil circulating pump 20 according to temperature changes so as to guarantee the heat demand of users.
In addition, the natural gas flow regulating valve 5 can regulate the natural gas inflow, so that the heating speed of the heat conduction oil is regulated; through the design of the first valve 15 and the second valve 16, the communication between the second oil supply pipeline 10 and the second oil return pipeline 13 can be cut off temporarily, so that the high-temperature radiant heating terminal 2 and the whole system can be maintained conveniently.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a heating system that natural gas conduction oil boiler and high temperature radiation heating terminal combine which characterized in that: the system comprises a heat conduction oil circulating system and a control system, wherein the heat conduction oil circulating system comprises a heat conduction oil boiler (1) and a high-temperature radiation heating terminal (2), an oil outlet of the heat conduction oil boiler (1) is connected with an oil inlet of at least one high-temperature radiation heating terminal (2) through an oil supply pipeline, and an oil outlet of the high-temperature radiation heating terminal (2) is connected with an oil inlet of the heat conduction oil boiler (1) through an oil return pipeline; the heat conducting oil boiler (1) is communicated with a natural gas inlet pipeline (4) to realize gas supply; the natural gas inlet pipeline (4) is provided with a natural gas flow regulating valve (5), the oil return pipeline is provided with a temperature sensor (21), the control system comprises a controller (3), and the natural gas flow regulating valve (5) and the temperature sensor (21) are electrically connected with the controller (3).
2. The heating system combining the natural gas conduction oil boiler and the high-temperature radiation heating terminal according to claim 1, characterized in that: the heat conduction oil boiler (1) comprises a natural gas burner (6), a heat conduction oil chamber (7) and a combustion chamber (8), the natural gas burner (6) is communicated with the combustion chamber (8), the heat conduction oil chamber (7) is arranged around the periphery of the combustion chamber (8), the natural gas burner (6) is communicated with a gas supply end through a natural gas inlet pipeline (4), an oil outlet of the heat conduction oil boiler (1) is communicated with an oil inlet of the high-temperature radiation heating terminal (2) through a first oil supply pipeline (9), a second oil supply pipeline (10) and a third oil supply pipeline (11), and an oil return port of the heat conduction oil boiler (1) is communicated with an oil outlet of the high-temperature radiation heating terminal (2) through a third oil return pipeline (14), a second oil return pipeline (13) and a first oil return pipeline (12).
3. The heating system combining the natural gas conduction oil boiler and the high-temperature radiation heating terminal according to claim 1, characterized in that: the oil supply device is characterized in that a first valve (15) and a heat conduction oil flow regulating valve (17) are arranged on the second oil supply pipeline (10), a second valve (16) is arranged on the second oil return pipeline (13), a heat conduction oil circulating pump (20) is arranged on the third oil return pipeline (14), and the heat conduction oil flow regulating valve (17) and the heat conduction oil circulating pump (20) are electrically connected with the controller (3).
4. The heating system combining the natural gas conduction oil boiler and the high-temperature radiation heating terminal according to claim 2, characterized in that: an oil-gas separator (18) is arranged on the third oil return pipeline (14), an expansion groove (19) is connected to the oil-gas separator (18), and the oil-gas separator (18) is located between the second oil return pipeline (13) and the heat conduction oil circulating pump (20).
5. The heating system combining the natural gas conduction oil boiler and the high-temperature radiation heating terminal according to claim 2, characterized in that: and the plurality of high-temperature radiation heating terminals (2) are connected with the heat-conducting oil boiler (1) in parallel through a second oil supply pipeline (10) and a second oil return pipeline (13).
6. The heating system combining the natural gas conduction oil boiler and the high-temperature radiation heating terminal according to claim 5, characterized in that: the high-temperature radiation heating terminal (2) comprises a plurality of heat radiation units, oil inlets of the heat radiation units are communicated with the second oil supply pipeline (10) through a plurality of third oil supply pipelines (11) which are parallel to each other, and oil outlets of the heat radiation units are communicated with the second oil return pipeline (13) through a plurality of first oil return pipelines (12) which are parallel to each other.
7. The heating system of claim 3, wherein the natural gas heat conduction oil boiler is combined with a high temperature radiation heating terminal, and the heating system comprises: the controller (3), the natural gas flow regulating valve (5), the heat conduction oil flow regulating valve (17), the heat conduction oil circulating pump (20) and the temperature sensor (21) form a control system of the heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110743643.5A CN113390121A (en) | 2021-07-01 | 2021-07-01 | Heating system combining natural gas heat conduction oil boiler and high-temperature radiation heating terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110743643.5A CN113390121A (en) | 2021-07-01 | 2021-07-01 | Heating system combining natural gas heat conduction oil boiler and high-temperature radiation heating terminal |
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| CN113390121A true CN113390121A (en) | 2021-09-14 |
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| CN202110743643.5A Pending CN113390121A (en) | 2021-07-01 | 2021-07-01 | Heating system combining natural gas heat conduction oil boiler and high-temperature radiation heating terminal |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201255471Y (en) * | 2008-07-22 | 2009-06-10 | 刘治平 | Energy-conserving convertible heating and cooling system |
| CN201992736U (en) * | 2011-04-15 | 2011-09-28 | 湖南工业大学 | Heat conducting oil floor heating device |
| CN202868989U (en) * | 2012-08-10 | 2013-04-10 | 山东益大新材料有限公司 | Thermal oil furnace with common heat sources of high temperature flue gas and fuel gas |
| CN106482338A (en) * | 2015-08-28 | 2017-03-08 | 盘锦奥德爱客多热能科技有限公司 | A kind of conduction oil circulatory mediator gas module stove |
| CN208332687U (en) * | 2018-06-13 | 2019-01-04 | 南京欧能机械有限公司 | Heated by natural gas oil temperature machine |
| CN210624930U (en) * | 2019-08-22 | 2020-05-26 | 江苏领誉纤维科技有限公司 | Heat conduction oil centralized heating system for ultra-high molecular weight polyethylene fibers |
| CN212157665U (en) * | 2020-04-20 | 2020-12-15 | 山东中控联环保科技有限公司 | Heat conducting oil circulating medium gas module furnace |
-
2021
- 2021-07-01 CN CN202110743643.5A patent/CN113390121A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201255471Y (en) * | 2008-07-22 | 2009-06-10 | 刘治平 | Energy-conserving convertible heating and cooling system |
| CN201992736U (en) * | 2011-04-15 | 2011-09-28 | 湖南工业大学 | Heat conducting oil floor heating device |
| CN202868989U (en) * | 2012-08-10 | 2013-04-10 | 山东益大新材料有限公司 | Thermal oil furnace with common heat sources of high temperature flue gas and fuel gas |
| CN106482338A (en) * | 2015-08-28 | 2017-03-08 | 盘锦奥德爱客多热能科技有限公司 | A kind of conduction oil circulatory mediator gas module stove |
| CN208332687U (en) * | 2018-06-13 | 2019-01-04 | 南京欧能机械有限公司 | Heated by natural gas oil temperature machine |
| CN210624930U (en) * | 2019-08-22 | 2020-05-26 | 江苏领誉纤维科技有限公司 | Heat conduction oil centralized heating system for ultra-high molecular weight polyethylene fibers |
| CN212157665U (en) * | 2020-04-20 | 2020-12-15 | 山东中控联环保科技有限公司 | Heat conducting oil circulating medium gas module furnace |
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Application publication date: 20210914 |