Engine laboratory waste heat warm air system

Abstract

The utility model belongs to the technical field of engine tail gas treatment, and discloses an engine laboratory waste heat warm air system which is characterized in that a heating pipeline is arranged in a high-temperature waste gas exhaust pipe of an engine laboratory, water circulates in the heating pipeline, a radiator is arranged in the engine laboratory, and a water inlet of the radiator is communicated with a water outlet of the heating pipeline; a water outlet of the radiator is communicated with a water inlet of the heating pipeline; the driving piece is arranged between the heating pipeline and the radiator; high-temperature waste gas exchanges heat with the heating pipeline in the process of being exhausted through the high-temperature waste gas exhaust pipe, the heating pipeline recycles heat of the high-temperature waste gas through water flowing in the heating pipeline, hot water flows into the radiator through the heating pipeline, the heat is released into the engine laboratory through the radiator, and the purpose of heating is achieved. The heated hot water is driven by the driving piece to return to the heating pipeline, water circulation is achieved, the heating problem of the engine laboratory in winter is solved, energy reutilization is achieved, and resource waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of engine exhaust treatment, in particular to a waste heat warm air system for an engine laboratory. Background Art

[0002] The engine laboratory is one of the key technologies in the development of advanced aero-engines. The test results are not only an important basis for verifying and modifying engine design, but also an important criterion for evaluating the performance of engine components and the entire machine. Specifically, the engine laboratory is used to conduct traditional fuel engine performance experiments, durability experiments, calibration experiments, and various new fuel, new technology and new field engine experiments, such as natural gas engine track suitability tests, engine temperature field performance data analysis, clean fuel diesel engine performance analysis, and aero-engine external characteristics experiments.

[0003] A large amount of high-temperature exhaust gas is generated during engine experiments in an engine laboratory. At present, these high-temperature exhaust gases are generally discharged directly into the atmosphere through the exhaust pipe of the engine laboratory. The waste heat is not fully utilized, resulting in a waste of resources.

[0004] Therefore, a device is urgently needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a waste heat heating system for an engine laboratory, which recycles and utilizes the heat in high-temperature exhaust gas and avoids waste of resources.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Engine laboratory waste heat heating system, including:

[0008] A heating pipe, wherein the heating pipe is arranged in the high-temperature exhaust gas exhaust pipe of the engine laboratory, and water flows through the heating pipe to absorb the heat of the high-temperature exhaust gas;

[0009] A radiator, wherein the radiator is arranged in the engine laboratory, and a water inlet of the radiator is connected to a water outlet of the heating pipe, and a water outlet of the radiator is connected to a water inlet of the heating pipe;

[0010] A driving member is arranged between the heating pipe and the radiator and is used for driving the water to flow.

[0011] Preferably, the heating pipe is vertically arranged, and the water inlet of the heating pipe is higher than the water outlet of the heating pipe.

[0012] Preferably, the engine laboratory waste heat heating system also includes a first connecting pipe and a second connecting pipe, the first connecting pipe connecting the water outlet of the heating pipe with the water inlet of the radiator, and the second connecting pipe connecting the water inlet of the heating pipe with the water outlet of the radiator.

[0013] Preferably, the engine laboratory waste heat heating system also includes a water tank, which is arranged in the second connecting pipe, and the connection between the water tank and the second connecting pipe is higher than other areas of the second connecting pipe.

[0014] Preferably, the engine laboratory waste heat heating system also includes a first valve and a second valve, the first valve is arranged on the first connecting pipe, and the first valve is close to the water outlet of the heating pipe, the first valve is used to control the on-off of the first connecting pipe, the second valve is arranged on the second connecting pipe, and the second valve is close to the water inlet of the heating pipe, and the second valve is used to control the on-off of the second connecting pipe.

[0015] Preferably, the engine laboratory waste heat heating system also includes a drainage pipe, one end of which is connected to the first connecting pipe, and the other end is connected to the recovery water tank. The drainage pipe is provided with a third valve, and the third valve is used to control the on-off of the drainage pipe.

[0016] Preferably, the heating pipe is a coil type, and the heating pipe is made of stainless steel pipe.

[0017] Preferably, the driving member is arranged on the second connecting pipe.

[0018] Preferably, both the first connecting pipe and the second connecting pipe are double-layer stainless steel pipes.

[0019] Preferably, the outer wall of the water tank is provided with a heat-insulating layer.

[0020] Beneficial effect: The utility model provides an engine laboratory waste heat heating system, including a heating pipe, a radiator and a driving component. The heating pipe is arranged in the high-temperature exhaust gas exhaust pipe of the engine laboratory. Water flows in the heating pipe to absorb the heat of the high-temperature exhaust gas. The radiator is arranged in the engine laboratory, and the water inlet of the radiator is connected to the water outlet of the heating pipe, and the water outlet of the radiator is connected to the water inlet of the heating pipe. The driving component is arranged between the heating pipe and the radiator to drive the water flow; in the process of high-temperature exhaust gas being discharged through the high-temperature exhaust gas exhaust pipe, heat is exchanged with the heating pipe, and the heating pipe uses the water flowing therein to recover the heat in the high-temperature exhaust gas, and the hot water flows into the water inlet of the radiator through the water outlet of the heating pipe, and releases the heat to the engine laboratory through the radiator to achieve the purpose of heating. The hot water after heating returns to the heating pipe under the drive of the driving component, so as to realize water circulation, solve the heating problem of the engine laboratory in winter, realize energy reuse, and avoid waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an engine laboratory waste heat heating system provided by an embodiment of the utility model.

[0022] In the figure:

[0023] 100. High-temperature exhaust gas exhaust pipe; 200. Engine laboratory;

[0024] 1. Heating pipe; 2. Radiator; 3. Driving part; 4. First connecting pipe; 5. Second connecting pipe; 6. Water tank; 7. Drain pipe; 8. First valve; 9. Second valve; 10. Third valve. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0028] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0029] The utility model provides an engine laboratory waste heat heating system, which recycles the high-temperature exhaust gas discharged from the engine laboratory, recovers the heat in the high-temperature exhaust gas and uses it for heating, avoiding waste of resources.

[0030] Specifically, Figure 1 As shown, the waste heat heating system of the engine laboratory includes a heating pipe 1, a radiator 2 and a driving member 3, wherein the heating pipe 1 is arranged in the high-temperature exhaust gas exhaust pipe 100 of the engine laboratory 200, water flows in the heating pipe 1, the radiator 2 is arranged in the engine laboratory 200, and the water inlet of the radiator 2 is connected to the water outlet of the heating pipe 1, and the water outlet of the radiator 2 is connected to the water inlet of the heating pipe 1. The driving member 3 is arranged between the heating pipe 1 and the radiator 2, and is used for driving the water in the heating pipe 1 to flow into the water inlet of the radiator 2 through the water outlet, and then flow back from the water outlet of the radiator 2 to the water inlet of the heating pipe 1 to realize water circulation. For example, the high-temperature exhaust gas exchanges heat with the heating pipe 1 during the process of being discharged through the high-temperature exhaust gas exhaust pipe 100. The heating pipe 1 recovers the heat in the high-temperature exhaust gas by using the water flowing therein. The hot water flows into the water inlet of the radiator 2 through the water outlet of the heating pipe 1, and releases the heat to the engine laboratory 200 through the radiator 2, thereby achieving the purpose of heating. Furthermore, the hot water is driven by the driving element 3 to flow back from the water outlet of the radiator 2 to the water inlet of the heating pipe 1, and once again exchanges heat with the high-temperature exhaust gas.

[0031] Preferably, the driving member 3 can be a water pump.

[0032] Optionally, since the engine laboratory 200 includes multiple independent spaces, this embodiment is equipped with at least one radiator 2 in each independent space, and the multiple radiators 2 are connected in series in sequence, and the water inlet of the frontmost radiator 2 is connected to the water outlet of the heating pipe 1, and the water outlet of the rearmost radiator 2 is connected to the water inlet of the heating pipe 1, so that the water after absorbing heat in the heating pipe 1 can flow through the multiple radiators 2 connected in series in sequence, and release the heat to the multiple independent spaces, and finally flow back to the heating pipe 1.

[0033] Specifically, the heating pipe 1 is vertically arranged and made of stainless steel pipe, and the water inlet of the heating pipe 1 is higher than the water outlet of the heating pipe 1, and the gravity potential energy is used to realize that water flows from the water inlet of the heating pipe 1 to the water outlet. Preferably, the heating pipe 1 is arranged in a coil type to increase the contact area with the high-temperature exhaust gas, maximize the recovery of heat in the high-temperature exhaust gas, and improve resource utilization. Further preferably, the heating pipe 1 is fixed in the high-temperature exhaust gas exhaust pipe 100 using a fixing buckle or a fixing ring.

[0034] Furthermore, the engine laboratory waste heat heating system also includes a first connecting pipe 4 and a second connecting pipe 5. Specifically, the first connecting pipe 4 connects the water outlet of the heating pipe 1 and the water inlet of the radiator 2. Preferably, the first connecting pipe 4 is also made of stainless steel pipe, and the first connecting pipe 4 is a double-layer pipe, which plays a role of heat preservation to prevent the hot water flowing out of the heating pipe 1 from losing heat during the flow process, thereby improving the heat utilization rate; the second connecting pipe 5 connects the water outlet of the radiator 2 and the water inlet of the heating pipe 1. Similarly, the second connecting pipe 5 is made of stainless steel pipe, and the second connecting pipe 5 is a double-layer pipe, which plays a role of heat preservation to prevent the hot water still at a certain temperature flowing out of the radiator 2 from losing heat during the process of being recovered to the heating pipe 1, thereby improving the heat utilization rate.

[0035] Preferably, in this embodiment, the driving member 3 is arranged on the second connecting pipe 5. Since the hot water in the heating pipe 1 flows into the radiator 2 under the action of gravitational potential energy, the driving member 3 is only used to drive the hot water to flow back from the water outlet of the radiator 2 to the water inlet of the heating pipe 1, which indirectly reduces the required power of the driving member 3 and reduces power consumption.

[0036] Optionally, the engine laboratory waste heat heating system provided in this embodiment further includes a water tank 6, which is arranged in the second connecting pipe 5. When the hot water flow rate in the second connecting pipe 5 is fast under the action of the driving member 3, the hot water with a certain temperature in the second connecting pipe 5 is stored, and the connection between the water tank 6 and the second connecting pipe 5 is higher than other areas of the second connecting pipe 5, so that the hot water in the water tank 6 can flow into the heating pipe 1 under the action of gravitational potential energy. Preferably, the outer wall of the water tank 6 is provided with a thermal insulation layer to prevent heat loss.

[0037] Furthermore, the engine laboratory waste heat heating system provided in this embodiment also includes a first valve 8, which is arranged on the first connecting pipe 4 and is close to the water outlet of the heating pipe 1. The first valve 8 is used to control the on-off of the first connecting pipe 4, that is, to control the water in the heating pipe 1 to be transported to the radiator 2. Further, the engine laboratory waste heat heating system provided in this embodiment also includes a second valve 9, which is arranged on the second connecting pipe 5 and is close to the water inlet of the heating pipe 1. The second valve 9 is used to control the on-off of the second connecting pipe 5, that is, to control the hot water to enter the heating pipe 1 again.

[0038] Furthermore, the engine laboratory waste heat heating system also includes a drainage pipe 7, one end of which is connected to the first connecting pipe 4, and the other end is connected to the recovery water tank. When the engine laboratory waste heat heating system needs to be suspended, the second valve 9 is closed to stop recovering hot water from the heating pipe 1, and the remaining water in the heating pipe 1 and the water tank 6 is discharged through the drainage pipe 7 to prevent the remaining water in the heating pipe 1 from being heated at high temperature for a long time, causing the heating pipe 1 to swell and crack. Further, the drainage pipe 7 is provided with a third valve 10, which is used to control the on-off of the drainage pipe 7. During the operation of the engine laboratory waste heat heating system, the third valve 10 is closed to avoid hot water leakage. When the operation of the engine laboratory waste heat heating system is suspended, the third valve 10 is opened to discharge the remaining water.

[0039] Preferably, the first valve 8 is located between the water outlet of the heating pipe 1 and the drainage pipe 7 to prevent the water in the drainage pipe 7 from flowing back or impurities from entering the heating pipe 1 through the drainage pipe 7, thereby affecting the use.

[0040] In summary, the engine laboratory waste heat heating system provided in the present embodiment exchanges heat with the heating pipe 1 during the process of high-temperature exhaust gas being discharged through the high-temperature exhaust gas exhaust pipe 100. The heating pipe 1 recovers heat from the high-temperature exhaust gas using the water flowing therein. The hot water flows into the water inlet of the radiator 2 through the water outlet of the heating pipe 1, and releases the heat to the engine laboratory 200 through the radiator 2, thereby achieving the purpose of heating. The hot water after heating returns to the heating pipe 1 under the drive of the driving element 3, thereby realizing water circulation, solving the heating problem of the engine laboratory 200 in winter, and realizing energy reuse.

[0041] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. Engine laboratory waste heat heating system, characterized by: include: A heating pipe (1), the heating pipe (1) being arranged in a high-temperature exhaust gas exhaust pipe (100) of an engine laboratory (200), and water flowing through the heating pipe (1) for absorbing heat from the high-temperature exhaust gas; A radiator (2), the radiator (2) being arranged in the engine laboratory (200), and the water inlet of the radiator (2) being connected to the water outlet of the heating pipe (1), and the water outlet of the radiator (2) being connected to the water inlet of the heating pipe (1); A driving member (3), the driving member (3) being arranged between the heating pipe (1) and the radiator (2) and being used for driving water to flow; The heating pipe (1) is arranged vertically, and the water inlet of the heating pipe (1) is higher than the water outlet of the heating pipe (1); The engine laboratory waste heat heating system further comprises a first connecting pipe (4) and a second connecting pipe (5), wherein the first connecting pipe (4) connects the water outlet of the heating pipe (1) with the water inlet of the radiator (2), and the second connecting pipe (5) connects the water inlet of the heating pipe (1) with the water outlet of the radiator (2); The driving member (3) is arranged on the second connecting pipe (5). Since the hot water in the heating pipe (1) flows into the radiator (2) under the action of gravitational potential energy, the driving member (3) is only used to drive the hot water to flow back from the water outlet of the radiator (2) to the water inlet of the heating pipe (1).

2. The engine laboratory waste heat heating system according to claim 1, characterized in that: The engine laboratory waste heat heating system also includes a water tank (6), which is arranged on the second connecting pipe (5), and the connection between the water tank (6) and the second connecting pipe (5) is higher than other areas of the second connecting pipe (5).

3. The engine laboratory waste heat heating system according to claim 1, characterized in that: The engine laboratory waste heat heating system also includes a first valve (8) and a second valve (9), wherein the first valve (8) is arranged on the first connecting pipe (4), and the first valve (8) is close to the water outlet of the heating pipe (1), and the first valve (8) is used to control the on-off of the first connecting pipe (4), and the second valve (9) is arranged on the second connecting pipe (5), and the second valve (9) is close to the water inlet of the heating pipe (1), and the second valve (9) is used to control the on-off of the second connecting pipe (5).

4. The engine laboratory waste heat heating system according to claim 1, characterized in that: The engine laboratory waste heat heating system also includes a drainage pipe (7), one end of the drainage pipe (7) is connected to the first connecting pipe (4), and the other end is connected to the recovery water tank. The drainage pipe (7) is provided with a third valve (10), and the third valve (10) is used to control the opening and closing of the drainage pipe (7).

5. The engine laboratory waste heat heating system according to any one of claims 1 to 4, characterized in that: The heating pipe (1) is of coil type, and the heating pipe (1) is made of stainless steel pipe.

6. The engine laboratory waste heat heating system according to any one of claims 1 to 4, characterized in that: The driving member (3) is arranged on the second connecting pipe (5).

7. The engine laboratory waste heat heating system according to any one of claims 1 to 4, characterized in that: The first connecting pipe (4) and the second connecting pipe (5) are both double-layer stainless steel pipes.

8. The engine laboratory waste heat heating system according to claim 2, characterized in that: The outer wall of the water tank (6) is provided with a heat-insulating layer.

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