Double-type heater applied to diesel generating set
By connecting a fuel heater and an electric heater in parallel in the diesel generator set, multiple heating modes are provided, solving the problem of the single operating condition of the cylinder liner water heating method. This enables the diesel generator set to start and operate normally in various environments, improving its adaptability and reliability.
Patent Information
- Application Number
- CN202423237596.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing cylinder liner water heating method of diesel generator sets has a single operating condition and cannot adapt to various operating conditions. In particular, it is prone to mechanical failure in cold environments. In addition, traditional heaters cannot be used or emit exhaust gas when there is no mains power, resulting in poor adaptability and reliability.
Design a dual-type heater that connects a fuel heater and an electric heater in parallel to the cylinder liner water transmission pipeline, providing fuel heating mode, electric heating mode and fuel-electric hybrid heating mode, and realizing the switching and combination of multiple heating methods.
It ensures normal start-up and operation of diesel generator sets under various working conditions, improves environmental adaptability, reliability and safety, avoids the influence of mains power, and enhances adaptability and reliability in low-temperature environments.
Smart Images
Figure CN223447156U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of generator, concretely is a double formula heater for diesel generating set. BACKGROUND
[0002] The working principle of diesel generating set is that the engine is used as a prime mover, the diesel generating set is driven to generate electricity by burning diesel. The diesel generating set is widely used as a main power source or a standby power source in the industries of life electricity, municipal construction, mine, communication, etc. and is often used in cold environment. When the diesel generating set is used in cold environment, the engine oil flowability is reduced, the lubrication effect is affected, the wear and tear and the failure risk are increased, and some materials may become more fragile at low temperature, which easily leads to mechanical failure. To avoid such problems, a water heater is often added to the diesel generating set to heat the cylinder jacket water so that the engine can run and start at a comfortable temperature.
[0003] The water heater is generally divided into two types. One is an electric heating type water heater, which is usually used under stable commercial power, but cannot be used without commercial power. The other is a fuel type water jacket heater, which can be used without commercial power, but has tail gas emission, which does not meet the green environmental protection concept. The scheme has poor working condition adaptability and single use condition.
[0004] Therefore, the existing heating method for cylinder jacket water has single use condition and cannot be applied in various working conditions, which has poor adaptability. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims to provide a double formula heater for diesel generating set to solve the technical problem of the existing heating method for cylinder jacket water in the background art, which has single use condition and cannot be applied in various working conditions, and has poor adaptability.
[0006] The utility model provides a double formula heater for diesel generating set, the diesel generating set includes a transmission pipeline for transmitting cylinder jacket water, the double formula heater includes a fuel heater, an electric heater, a fuel heating pipeline in communication with the fuel heater, an electric heating pipeline in communication with the electric heater, and a plurality of valves respectively arranged on the fuel heating pipeline and the electric heating pipeline.
[0007] The fuel heating pipeline and the electric heating pipeline are connected in parallel to the transmission pipeline to heat the cylinder jacket water in the transmission pipeline through the fuel heating pipeline and / or the electric heating pipeline.
[0008] Further, the fuel heater includes a fuel heater body and a fuel tank in communication with the fuel heater body.
[0009] Further, the plurality of valves include a first valve, a second valve, a third valve, a fourth valve and a fifth valve respectively arranged on the fuel heating pipeline and the electric heating pipeline.
[0010] Further, the first valve and the second valve are communicated on the fuel heating pipeline.
[0011] Further, the fuel heater body is arranged between the first valve and the second valve.
[0012] Further, the third valve is communicated between the fuel heater body and the fuel tank, for controlling the fuel tank to supply oil into the fuel heater body.
[0013] Further, the fourth valve and the fifth valve are communicated on the electric heating pipeline.
[0014] Further, the electric heater is arranged between the fourth valve and the fifth valve.
[0015] Further, the fuel heater includes a first water temperature sensor, a first water pump, an oil temperature sensor, a diesel engine and an oil-water separator.
[0016] Further, the electric heater includes a second water temperature sensor, a second water pump and a heater.
[0017] Compared with the prior art, the application has the beneficial effects that:
[0018] In the dual-type heater applied to the diesel generator set, the fuel heater and the electric heater are connected in parallel on the transmission pipeline for transmitting cylinder jacket water, so that multiple heating modes are provided for the cylinder jacket water, compared with the single heating mode in the prior art, the diesel generator has strong adaptability in low temperature environment, multiple heating modes of "fuel heating mode", "electric heating mode" and "oil-electricity mixed heating mode" are realized, the diesel generator set can be normally started and operated in multiple working conditions, meanwhile, is not affected by whether the city power is available or not, and the environmental adaptability, reliability and safety of the diesel generator set are improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 Fig. 1 is a structural schematic view of a dual-type heater applied to a diesel generator set in an embodiment of the application.
[0020] In the figure: 100, fuel heater; 110, fuel heater body; 120, fuel tank; 200, electric heater; 300, fuel heating pipeline; 400, electric heating pipeline; 600, first valve; 610, second valve; 620, third valve; 630, fourth valve; 640, fifth valve. DETAILED DESCRIPTION
[0021] For the convenience of understanding the present application, the present application will be described more fully below with reference to the accompanying drawings. The drawings show several embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0024] Please refer to Figure 1 , which shows a double heater applied to a diesel generator set in an embodiment of the present application. The diesel generator set includes a transmission pipeline for transmitting cylinder jacket water. The double heater includes a fuel heater 100, an electric heater 200, a fuel heating pipeline 300 in communication with the fuel heater 100, an electric heating pipeline 400 in communication with the electric heater 200, and a plurality of valves respectively arranged on the fuel heating pipeline 300 and the electric heating pipeline 400.
[0025] Among them, the fuel heating pipeline 300 and the electric heating pipeline 400 are connected in parallel to the transmission pipeline, so as to heat the cylinder jacket water in the transmission pipeline through the fuel heating pipeline 300 and / or the electric heating pipeline 400.
[0026] In the dual-type heater provided in the application, the fuel heater 100 and the electric heater 200 are connected in parallel on the transmission pipeline for transmitting the cylinder liner water, so as to provide multiple heating modes for the cylinder liner water, compared with the single heating mode in the prior art, the diesel generator has strong adaptability in a low-temperature environment, multiple heating modes of "fuel heating mode", "electric heating mode" and "oil-electricity hybrid heating mode" are realized, the diesel generator set can be normally started and operated in multiple working conditions, meanwhile, is not affected by whether the city power is available or not, and the environmental adaptability, reliability and safety of the diesel generator set are improved.
[0027] For the convenience of understanding the case, in the application, the fuel heater 100 comprises a fuel heater body 110 and a fuel tank 120 communicated with the fuel heater body 110, and the multiple valves comprise a first valve 600, a second valve 610, a third valve 620, a fourth valve 630 and a fifth valve 640 respectively arranged on the fuel heating pipeline 300 and the electric heating pipeline 400.
[0028] Specifically, the first valve 600 and the second valve 610 are communicated on the fuel heating pipeline 300, the fuel heater body 110 is arranged between the first valve 600 and the second valve 610, the third valve 620 is communicated between the fuel heater body 110 and the fuel tank 120, so as to control the fuel tank 120 to supply oil to the fuel heater body 110, the fourth valve 630 and the fifth valve 640 are communicated on the electric heating pipeline 400, and the electric heater 200 is arranged between the fourth valve 630 and the fifth valve 640.
[0029] In some preferred embodiments, the fuel heater 100 comprises a first water temperature sensor, a first water pump, an oil temperature sensor, a diesel engine and an oil-water separator; the electric heater 200 comprises a second water temperature sensor, a second water pump and a heater.
[0030] For the convenience of understanding the case, the dual-type heater in five running modes is described, the five running modes are a first running mode, a second running mode, a third running mode, a fourth running mode and a fifth running mode, and it should be noted that the five running modes are not limited to the running modes of the dual-type heater, and other types of running modes can also be included, which are not particularly limited herein.
[0031] The first running mode: when there is no city power or the city power is unstable in a cold region, the cylinder liner water can be heated in the fuel heating mode, and the heater can be set to a specific starting heating temperature and an ending heating temperature, so as to realize self-starting of the heater to heat the cylinder liner water, so that the diesel generator set runs in a comfortable temperature, and the reliability of the unit operation is improved;
[0032] Specifically, the first valve 600 and the second valve 610 in communication with the fuel heater 100 are opened, the fourth valve 630 and the fifth valve 640 in communication with the electric heater 200 are closed, and the first water pump drives the cylinder jacket water to be circulated and heated.
[0033] The second operation mode: when the stable city power supply in the cold region, can switch to the electric heating mode to heat the cylinder jacket water, and the electric heater 200 can set a specific starting heating temperature and ending heating temperature, realize the self-starting of the electric heater 200 to heat the cylinder jacket water, make the diesel generating set run at a comfortable temperature, and improve the reliability of the unit operation.
[0034] Specifically, the fourth valve 630 and the fifth valve 640 in communication with the electric heater 200 are opened, the first valve 600 and the second valve 610 in communication with the fuel heater 100 are closed, and the second water pump drives the cylinder jacket water to be circulated and heated.
[0035] The third operation mode: when the diesel generating set is to be rapidly at a comfortable temperature and start in the cold region, the fuel heater 100 and the electric heater 200 can be started at the same time, improve the heating efficiency of the cylinder jacket water, make the cylinder jacket water be in the normal temperature range, so as to make the diesel generating set start quickly.
[0036] Specifically, the first valve 600 and the second valve 610 in communication with the fuel heater 100, and the fourth valve 630 and the fifth valve 640 in communication with the electric heater 200 are opened at the same time, and the two heaters are started at the same time to heat the cylinder jacket water, increase the heating amount of the cylinder jacket water in unit time, and the cylinder jacket water temperature can be raised to the required temperature range in a short time, realize the rapid start of the diesel generating set in the cold environment.
[0037] The fourth operation mode: when the fuel heater 100 fails, the first valve 600 and the second valve 610 are closed, and the cylinder jacket water is heated by the electric heater 200.
[0038] The fifth operation mode: when the electric heater 200 fails, the fourth valve 630 and the fifth valve 640 are closed, and the cylinder jacket water is heated by the fuel heater 100.
[0039] In summary, the double heater applied to the diesel generating set in the embodiment of the present application has at least the following beneficial effects compared with the single heating mode of the cylinder jacket water in the prior art:
[0040] In the double type heater applied to the diesel generating set, the fuel heater 100 and the electric heater 200 are connected in parallel on the transmission pipeline for transmitting cylinder liner water, so that multiple heating modes are provided for the cylinder liner water, compared with the single heating mode in the prior art, the diesel generating set has strong adaptability in a low temperature environment, multiple heating modes of "fuel heating mode", "electric heating mode" and "oil-electricity hybrid heating mode" are realized, the diesel generating set can be normally started and operated under multiple working conditions, meanwhile, is not affected by whether the mains is available in the use place, and the environmental adaptability, reliability and safety of the diesel generating set are improved.
[0041] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0042] The above embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. A dual heater used in a diesel generator set, wherein the diesel generator set includes a transmission pipeline for transmitting cylinder jacket water, characterized in that: The dual heater includes a fuel heater, an electric heater, a fuel heating pipeline connected to the fuel heater, an electric heating pipeline connected to the electric heater, and a plurality of valves respectively provided on the fuel heating pipeline and the electric heating pipeline; The fuel heating pipeline and the electric heating pipeline are connected in parallel to the transmission pipeline, so as to heat the jacket water in the transmission pipeline through the fuel heating pipeline and / or the electric heating pipeline.
2. The dual heater used in a diesel generator set according to claim 1, characterized in that: The fuel heater includes a fuel heater body and a fuel tank communicated with the fuel heater body.
3. The dual heater used in a diesel generator set according to claim 2, characterized in that: The plurality of valves include a first valve, a second valve, a third valve, a fourth valve and a fifth valve respectively arranged on the fuel heating pipeline and the electric heating pipeline.
4. The dual heater used in a diesel generator set according to claim 3, characterized in that: The first valve and the second valve are communicated with the fuel heating pipeline.
5. The dual heater used in a diesel generator set according to claim 4, characterized in that: The fuel heater body is arranged between the first valve and the second valve.
6. The dual heater used in a diesel generator set according to claim 3, characterized in that: The third valve is connected between the fuel heater body and the fuel tank to control the fuel tank to supply fuel into the fuel heater body.
7. The dual heater used in a diesel generator set according to claim 3, characterized in that: The fourth valve and the fifth valve are connected to the electric heating pipeline.
8. The dual heater used in a diesel generator set according to claim 7, characterized in that: The electric heater is arranged between the fourth valve and the fifth valve.
9. The dual heater used in a diesel generator set according to claim 1, characterized in that: The fuel heater includes a first water temperature sensor, a first water pump, an oil temperature sensor, a diesel engine and an oil-water separator.
10. The dual heater used in a diesel generator set according to claim 1, characterized in that: The electric heater includes a second water temperature sensor, a second water pump and a heater.