阅读说明：本技术 船用柴油机缸盖/缸套冷却水的透气管路结构 (The ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water ) 是由 万仁梁 王利军 尹国 仲计良 沈豪帅 于 2019-07-31 设计创作，主要内容包括：一种船用柴油机缸盖/缸套冷却水的透气管路结构,与所述船用柴油机的缸盖和缸套连接,包括冷却水套、缸盖排气阀、进水总管、进水支管、出水总管、出水支管、缸盖冷却水进水管、缸盖进水支管和透气装置,其中,进水总管通过进水支管与冷却水套连接,该冷却水套与缸盖排气阀连接,该缸盖排气阀通过出水支管与出水总管连接,缸盖冷却水进水管通过缸盖进水支管连接缸盖排气阀,透气装置连接于出水支管与出水总管之间；由出水支管流出的含有空气的冷却水在该透气装置中实现水气分离,并且空气被自动排出,完成缸盖/缸套冷却水系统的自动透气功能。本发明实现了缸盖/缸套冷却水系统的自动透气功能,具有操作方便、可靠性高的优点。(A kind of ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water, it is connect with the cylinder cap of the marine diesel and cylinder sleeve, including cooling jacket, head exhaust valve, water inlet manifold, water inlet pipe, outfall sewer, exit branch, cylinder head cooling water water inlet pipe, cylinder cap water inlet pipe and gas permeable devices, wherein, water inlet manifold is connect by water inlet pipe with cooling jacket, the cooling jacket is connect with head exhaust valve, the head exhaust valve is connect by exit branch with outfall sewer, cylinder head cooling water water inlet pipe connects head exhaust valve by cylinder cap water inlet pipe, gas permeable devices are connected between exit branch and outfall sewer；Realize that aqueous vapor separates in the gas permeable devices by the cooling water containing air that exit branch flows out, and air is automatically drained out, and the automatic airing function of cylinder cap/Liner cooling water system is completed.The present invention realizes the automatic airing function of cylinder cap/Liner cooling water system, has the advantages that easy to operate, high reliablity.)

1. a kind of ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water, cylinder cap and cylinder with the marine diesel Set connection, including cooling jacket, head exhaust valve, water inlet manifold, water inlet pipe, outfall sewer and exit branch, the water inlet General pipeline is connect by the water inlet pipe with the cooling jacket, which connect with the head exhaust valve, the cylinder cap Exhaust valve is connect by the exit branch with the outfall sewer, it is characterised in that: the ventilative pipeline structure further includes having Cylinder head cooling water water inlet pipe, cylinder cap water inlet pipe and gas permeable devices, the cylinder head cooling water water inlet pipe pass through cylinder cap water inlet pipe The head exhaust valve is connected, the gas permeable devices are connected between the exit branch and the outfall sewer；By it is described go out The cooling water containing air of water branch pipe outflow realizes that aqueous vapor separates in the gas permeable devices, and air is automatically drained out, complete At the automatic airing function of cylinder cap/Liner cooling water system.

2. the ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water according to claim 1, it is characterised in that: The gas permeable devices include ventilative tank, automatic vent unit and the 5th valve member, and the ventilative tank has an aqueous vapor separation function, and one End connects the exit branch, and one end connects outfall sewer, and the automatic vent unit is connected to the top of the ventilative tank, will The air automatic-discharging that the ventilative tank is isolated is gone out, and the 5th valve member is connect with the ventilative tank, when the ventilative tank In be full of cooling water when to cooling water of releasing.

3. the ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water according to claim 2, it is characterised in that: The automatic vent unit is connect by pipe fitting and the 4th valve member with the ventilative tank, and the 5th valve member is connected to the pipe On connector.

4. the ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water according to claim 1, it is characterised in that: It is connected with the first valve member on the water inlet pipe, restricting orifice and the second valve member, the cylinder are connected on the exit branch Third valve member is connected on lid water inlet pipe.

Technical field

The present invention relates to a kind of cooling water system for diesel engine, and in particular to a kind of diesel engine cylinder lid for ship/jacket-cooling water Ventilative pipeline structure, belong to Diesel Engine Technique Field.

Background technique

Marine diesel cooling water system cools down cylinder cap and cylinder sleeve during host is run.Referring to Fig. 1, with 6 For cylinder machine, host passes through first on water inlet manifold A and each cylinder water inlet pipe A1 in initial operating stage, the cooling water containing air Valve member 1 enters in cooling jacket 2, head exhaust valve 4 is entered after cooling down to the cylinder sleeve of each cylinder, to the head exhaust of each cylinder After valve 4 is cooling, the restricting orifice 5 and the second valve member 6 flowed through on exit branch B1 imports outfall sewer B outflow.It is cold due to being mixed into But the air in water lines seriously affects cooling effect, therefore vent valve V is installed on the exit branch B1 of each cylinder, by artificial Vent valve V is opened in operation manually, vent valve V is turned off after air is discharged, to complete the airing function of cooling water system.However This breathable manner needs execute-in-place, inconvenient.

Summary of the invention

It is an object of the present invention to solve the artificial breathable manner of diesel engine cylinder lid for ship/Liner cooling water system, cause to grasp Make inconvenient problem, a kind of ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water is provided, by individually increasing Device of air realizes automatic airing function, achievees the purpose that convenient for operation.

The purpose of the present invention is what is be achieved through the following technical solutions:

A kind of ventilative pipeline structure of diesel engine cylinder lid for ship/jacket-cooling water, with the cylinder cap of the marine diesel and Cylinder sleeve connection, including cooling jacket, head exhaust valve, water inlet manifold, water inlet pipe, outfall sewer and exit branch, it is described into Supply mains is connect by the water inlet pipe with the cooling jacket, which connect with the head exhaust valve, the cylinder Lid exhaust valve is connect by the exit branch with the outfall sewer, it is characterised in that: the ventilative pipeline structure further includes There are cylinder head cooling water water inlet pipe, cylinder cap water inlet pipe and gas permeable devices, the cylinder head cooling water water inlet pipe passes through cylinder cap water inlet branch Pipe connects the head exhaust valve, and the gas permeable devices are connected between the exit branch and the outfall sewer；By described The cooling water containing air of exit branch outflow realizes that aqueous vapor separates in the gas permeable devices, and air is automatically drained out, Complete the automatic airing function of cylinder cap/Liner cooling water system.

Further, the gas permeable devices include ventilative tank, automatic vent unit and the 5th valve member, the ventilative tank tool There is aqueous vapor separation function, one end connects the exit branch, and one end connects outfall sewer, and the automatic vent unit is connected to institute The air automatic-discharging that the ventilative tank is isolated is gone out at the top for stating ventilative tank, the 5th valve member and the ventilative tank Connection, when being full of cooling water in the ventilative tank to cooling water of releasing.

Further, the automatic vent unit is connect by pipe fitting and the 4th valve member with the ventilative tank, described 5th valve member is connected on the pipe fitting.

Further, it is connected with the first valve member on the water inlet pipe, is connected with restricting orifice on the exit branch With the second valve member, third valve member is connected on the cylinder cap water inlet pipe.

Compared with traditional diesel engine cylinder lid for ship/Liner cooling water system, the beneficial effects of the present invention are:

1) the automatic airing function of cylinder cap/Liner cooling water system is realized；

2) using the ventilative tank with aqueous vapor centrifugation, the inconvenient of manual breathable manner, reliability are avoided not High defect.

Detailed description of the invention

Fig. 1 is the schematic diagram of existing diesel engine cylinder lid for ship/Liner cooling water system.

Fig. 2 is system schematic of the invention.

Fig. 3 is the appearance schematic diagram of ventilative tank.

Fig. 4 is the schematic diagram of gas permeable devices.

In figure, the 1-the first valve member, 2-cooling jackets, 3-third valve members, 4-head exhaust valves, 5-restricting orifices, 6-the second valve member, 7-ventilative tanks, the 8-the four valve member, 9-automatic vent units, the 10-the five valve member, 11-pipe fittings, A- Water inlet manifold, A1-water inlet pipe, B-outfall sewer, B1-exit branch, E-cylinder head cooling water water inlet pipe, E1-cylinder cap into Water branch pipe, V-vent valve.

Specific embodiment

It elaborates with reference to the accompanying drawing to the preferred embodiment of the present invention, in order to more clearly understand the present invention Structure and use process, but be not intended to limit the protection scope of the present invention.

By taking 6 cylinder machines as an example, referring to Fig. 2, the ventilative pipeline structure of the diesel engine cylinder lid for ship/jacket-cooling water is simultaneously It is connect with the cylinder cap of six cylinders and cylinder sleeve.

The ventilative pipeline structure of the diesel engine cylinder lid for ship/jacket-cooling water have two cooling water inlet pipe roads, one Road enters cooling jacket 2, enters head exhaust valve 4 all the way；The ventilative pipeline structure include cooling jacket 2, head exhaust valve 4, Water inlet manifold A, water inlet pipe A1, outfall sewer B, exit branch B1, cylinder head cooling water water inlet pipe E, cylinder cap water inlet pipe E1 and Gas permeable devices.

The water inlet manifold A is connect by the water inlet pipe A1 with the cooling jacket 2, is connected on water inlet pipe A1 There is the first valve member 1；The cooling jacket 2 is connect with the head exhaust valve 4.The cylinder head cooling water water inlet pipe E passes through institute The cylinder cap water inlet pipe E1 connection head exhaust valve 4 is stated, is connected with third valve member 3 on cylinder cap water inlet pipe E1.

The head exhaust valve 4 passes sequentially through the exit branch B1, gas permeable devices are connect with the outfall sewer B；Institute It states gas permeable devices to be connected between the exit branch B1 and the outfall sewer B, is connected with throttle orifice on exit branch B1 Plate 5 and the second valve member 6.Aqueous vapor is realized in the gas permeable devices by the cooling water containing air that the exit branch B1 flows out Separation, and air is automatically drained out, and cylinder cap/Liner cooling water system airing function is completed.

Referring to Fig. 4, the gas permeable devices include ventilative tank 7, automatic vent unit 9 and the 5th valve member 10.It is described Gas tank 7 has aqueous vapor separation function, referring to Fig. 3, the water inlet of one end connects the exit branch B1, the water outlet of the other end Mouth connection outfall sewer B.Referring to Fig. 4, the automatic vent unit 9 is connected to the top of the ventilative tank 7, it will be described ventilative The air automatic-discharging that tank 7 is isolated is gone out；The automatic vent unit 9 is breathed freely by pipe fitting 11 and the 4th valve member 8 with described Tank 7 connects.5th valve member 10 is connected on the pipe fitting 11, to connect with the ventilative tank 7, when the ventilative tank 5th valve member 10 described in when filling cooling water in 7 releases cooling water.

Working principle of the present invention is as follows:

Host in initial operating stage, the cooling water containing air into respectively from water inlet manifold A and cylinder head cooling water water inlet pipe E into Water.Enter cooling jacket 2 by the cooling water of the first valve member 1 and water inlet pipe A1, each cylinder cylinder sleeve is cooled down, subsequently into Head exhaust valve 4；Head exhaust valve 4, cooling water pair are directly entered by the cooling water of third valve member 3 and cylinder cap water inlet pipe E1 After head exhaust valve 4 carries out cooling, ventilative tank 7, the cooling water containing air are converged by restricting orifice 5 and the second valve member 6 Aqueous vapor separation is realized in ventilative tank 7, air is automatically drained out by automatic vent unit 9, and cooling water converges into outfall sewer B； After the cooling water of retention fills ventilative tank 7, released by the 4th valve member 8, pipe fitting 11 and the 5th valve member 10 to water.

The above is only a preferred embodiment of the present invention, and those skilled in the art is all according to made by the present patent application content Various equivalent modifications, variation and amendment should all become protection scope of the present invention.