Water-cooled silencer and hot water cleaning machine

Abstract

The utility model discloses a water-cooled silencer, which comprises an inner shell and a silencing component arranged in the inner shell, and is characterized in that an outer shell is arranged outside the inner shell, a cooling water bin is formed between the inner shell and the outer shell at an interval, and the cooling water bin is isolated to form a spiral water channel; a water inlet and a water outlet are formed in the two ends of the spiral water channel respectively. The double-layer structure of the inner shell and the outer shell is arranged, the water bin is formed between the inner shell and the outer shell, the water bin is divided into the spiral water channel, cooling water can make contact with the inner shell in the spiral water channel to cool the silencer, and then the heat dissipation effect of the silencer is improved; and meanwhile, the temperature of the cooling water for cooling the silencer flows out of the spiral water channel to generate heat exchange and reaches 50-60 DEG C, the cooling water is connected with a high-pressure pump of the hot water cleaning machine to be pressurized and then is supplied for daily use, and the waste heat utilization efficiency of the silencer is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mufflers, and in particular relates to a water-cooled muffler and a hot water cleaning machine. Background Art

[0002] When the engine is running, the cylinder head discharges high-temperature and high-pressure exhaust gas, which is mainly composed of carbon dioxide. In order to prevent the exhaust gas from affecting the subsequent combustion of the internal combustion chamber, the exhaust gas needs to be discharged quickly. Due to the large amount of exhaust gas discharged, it often produces a lot of noise during exhaust. In order to avoid pollution caused by these noises, it is necessary to reduce the exhaust sound and the decibel of the exhaust sound. Therefore, the muffler air inlet enters the internal muffler component for processing and is finally discharged through the exhaust port. In this process, high temperatures are generated both inside and outside the muffler.

[0003] At present, in order to solve the problem of overheating in the silencing process, the existing mufflers usually adopt air cooling and open cooling methods. However, these two cooling methods are not good and can easily cause the muffler to overheat for a long time, resulting in a short service life. Utility Model Content

[0004] In view of the above-mentioned deficiencies, the purpose of the present utility model is to provide a water-cooled muffler and a hot water cleaning machine, which solves the problem that the air-cooled and open heat dissipation methods in the prior art are not effective, easily causing the muffler to overheat for a long time and having a short service life.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A water-cooled silencer comprises an inner shell and a silencer assembly installed in the inner shell, characterized in that an outer shell is arranged outside the inner shell, and a cooling water tank is formed between the inner shell and the outer shell, and the cooling water tank is isolated to form a spiral water channel, and a water inlet and a water outlet are respectively arranged at both ends of the spiral water channel.

[0007] With the above structural design, the muffler is set as an inner and outer double-layer structure, and a water tank is formed in the middle. The water tank is divided into spiral water channels. The muffler can be cooled by cooling water in the spiral water channel in contact with the inner shell. The contact cooling effect is better.

[0008] Preferably, the outer shell is provided with a plurality of sewage outlets, and the sewage outlets are communicated with the spiral water channel, and a detachable plugging member is provided on the sewage outlet.

[0009] With the above structural design, the drain port is designed to discharge the residual water in the spiral water channel after the muffler stops working, that is, after the cooling is completed, or to clean the scale in the spiral water channel after long-term use.

[0010] Preferably, a mounting nut is fixedly mounted on the sewage outlet, and the inner side of the mounting nut is flush with the inner wall of the shell body for easy drainage. The blocking piece is connected to the mounting nut by a thread, and a sealing piece is provided at the connection between the blocking piece and the mounting nut.

[0011] With the above structural design, the detachable design of the plugging piece makes it easy to discharge the residual water in the spiral waterway from the sewage outlet, and is also easy to plug, and has good sealing performance.

[0012] Preferably, the water inlet is connected to an external water source to provide cooling water, and the water outlet is connected to a hot water cleaning machine.

[0013] With the above structural design, the cooling water used to cool the muffler reaches a temperature of 50-60°C after flowing out of the spiral water channel to produce heat exchange. It is connected to the high-pressure pump of the hot water cleaning machine for pressurization for daily use, thereby improving the waste heat utilization of the muffler.

[0014] Preferably, the inner shell and the outer shell are separated by spiral blades fixed by welding to form the spiral water channel, and the two ends of the inner shell and the outer shell are fixedly connected by end covers, an air inlet and an air outlet are provided on the end cover, and a mounting flange is provided at one end of the air inlet.

[0015] By adopting the above structural design, the sealing between the spiral blades and the inner shell and the outer shell is ensured by welding and fixing, so that when the cooling water passes through the spiral channel, it can flow along the set route and cool in contact with the inner shell, thereby improving the cooling effect. At the same time, the design of the mounting flange facilitates the disassembly and assembly of the muffler.

[0016] Preferably, the water-cooled muffler is made of rust-proof material.

[0017] The above structural design can ensure that the muffler will not be corroded under the long-term contact between the exhaust gas and the cooling water, thereby increasing the service life of the muffler.

[0018] The utility model also provides a hot water cleaning machine, comprising the water-cooled muffler.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model provides a water-cooled muffler with a double-layer structure of an inner shell and an outer shell, and a water tank is formed in the middle. The water tank is separated into spiral water channels, and the muffler can be cooled by cooling water in the spiral water channel in contact with the inner shell, thereby improving the heat dissipation effect of the muffler;

[0021] 2. The utility model cools down the muffler, and the temperature of the cooling water flowing out of the spiral water channel after heat exchange reaches 50-60°C. After being connected to the high-pressure pump of the hot water cleaning machine for pressurization, it is used for daily use, thereby improving the waste heat utilization of the muffler;

[0022] 3. The design of the sewage outlet of the utility model is used to discharge the residual water in the spiral water channel after the muffler has been cooled down, or to clean the scale in the spiral water channel after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 yes Figure 1 A cross-sectional view of

[0026] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0027] In the figure:

[0028] Inner shell 1, silencer assembly 2, outer shell 3, spiral water channel 4, water inlet 4a, water outlet 4b, sewage outlet 5, plugging member 6, mounting nut 7, spiral blade 8, end cover 9, air inlet 9a, air outlet 9b, mounting flange 10, and sealing member 11. DETAILED DESCRIPTION

[0029] In order to explain the technical content, structural features, achieved objectives and effects of the present invention in detail, the following is a detailed description in conjunction with the implementation modes and the accompanying drawings.

[0030] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] See also Figure 1 and Figure 3A water-cooled muffler includes an inner shell 1 and a muffler assembly 2 installed in the inner shell 1. When the muffler is working, the built-in muffler assembly 2 is used to muffle the sound. This structure belongs to the prior art and will not be described in detail here. The inner shell 1 is provided with an outer shell 3 outside, and a cooling water tank is formed between the inner shell 1 and the outer shell 3 to inject cooling water to dissipate the high temperature generated in the muffler, and the cooling water tank is isolated to form a spiral water channel 4. The two ends of the spiral water channel 4 are respectively provided with a water inlet 4a and a water outlet 4b. The water inlet 4a is connected to an external water source to provide cooling water, and the water outlet 4b is connected to a hot water cleaning machine. The cooling water enters the water tank from the water inlet 4a and is discharged from the water outlet 4b along the spiral water channel 4, thereby realizing water-cooled cooling and heat dissipation of the muffler. The heat dissipation efficiency is extremely high, and the hot water generated by heat exchange can be used for daily use, which greatly improves the efficiency of waste heat utilization through the muffler and is worthy of wide promotion.

[0032] Furthermore, the outer shell 1 is provided with a plurality of drain ports 5, and the drain ports 5 are connected to the spiral water channel 4. In this embodiment, the number of the drain ports 5 is 4, which is set according to the position of the spiral water channel 4 in the muffler and the position of the muffler when it is installed. When installed, the drain ports 5 are located at the lower position, which is convenient for the discharge of residual water and the cleaning of scale or residue. Of course, the water volume and position of the drain ports 5 are only used as a preferred embodiment, and the number and position of the drain ports 5 are not limited to the above description.

[0033] See also Figure 2 and Figure 3 , a detachable plugging member 6 is provided on the sewage outlet 5 to facilitate cleaning of the water tank. Specifically, a mounting nut 7 is fixedly installed on the sewage outlet 5, and the inner side of the mounting nut 7 is flush with the inner wall of the outer shell 3 for drainage. The plugging member 6 is connected to the mounting nut 7 by a thread, and a sealing member 11 is provided at the connection between the plugging member 6 and the mounting nut 7. The above structural design not only facilitates the opening and closing of the sewage outlet 5, but also ensures its sealing performance.

[0034] In this embodiment, the inner shell 1 and the outer shell 3 are separated by spiral blades 8 fixed by welding to form the spiral water channel 4, and the two ends of the inner shell 1 and the outer shell 3 are fixedly connected by end caps 9, and an air inlet 9a and an air outlet 9b are provided on the end caps 9, and the air outlet 9b is installed with the muffler assembly 2, and the exhaust gas is discharged from the rear end of the muffler assembly 2 after being muffled by the muffler assembly 2 after being inhaled from the air inlet 9a, and a mounting flange 10 is provided at one end of the air inlet 9a, which is convenient for the installation of the muffler. The muffler is generally arranged on an engine that requires industrial hot water for muffler treatment, and is simultaneously connected to a high-pressure pump in a hot water cleaning machine for pressurization for daily use. The temperature of the cooling water used to cool the muffler can reach 50-60°C, so the benefits of the muffler cooling waste heat can be greatly utilized. At the same time, in this embodiment, the water-cooled muffler is made of rust-proof material.

[0035] The present application also provides a hot water cleaning machine, which includes the above-mentioned water-cooled muffler.

[0036] The working principle of the utility model is as follows:

[0037] The muffler is arranged on an engine that needs industrial hot water for muffler treatment. The exhaust gas enters the muffler from the air inlet 9a and is muffled by the muffler assembly 2. At the same time, the water inlet 4a is connected to cooling water. The cooling water flows along the spiral water channel 4 and is discharged from the water outlet 4b. The cooling water completes heat exchange with the muffler in the spiral water channel 4 to cool and dissipate heat from the muffler. The temperature of the water discharged from the water outlet 4b reaches 50-60°C, and the water outlet 4b can be connected to the high-pressure pump in the hot water cleaning machine for pressurization for daily use. Therefore, the utility model sets the muffler as a double-layer structure, and uses cooling water to cool the muffler along the spiral water channel 4. The cooling efficiency is high, and the heat exchange generated by the cooling can be used to heat the cooling water for daily use, which saves energy consumption and is worthy of wide promotion.

[0038] According to the disclosure and teaching of the above specification, the technicians in the field of the utility model can also change and modify the above implementation. Therefore, the utility model is not limited to the specific implementations disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model. Other devices that are the same or similar to them are all within the protection scope of the utility model.

Claims

1. A water-cooled muffler, comprising an inner shell (1) and a muffler assembly (2) installed in the inner shell (1), characterized in that: An outer shell (3) is disposed outside the inner shell (1), and a cooling water bin is formed between the inner shell (1) and the outer shell (3), and the cooling water bin is isolated to form a spiral water channel (4), and a water inlet (4a) and a water outlet (4b) are respectively disposed at both ends of the spiral water channel (4).

2. A water-cooled muffler as claimed in claim 1, characterized in that: The outer shell (3) is provided with a plurality of sewage outlets (5), and the sewage outlets (5) are in communication with the spiral water channel (4), and a detachable blocking member (6) is provided on the sewage outlet (5).

3. A water-cooled muffler as claimed in claim 2, characterized in that: The sewage outlet (5) is fixedly provided with a mounting nut (7), and the inner side of the mounting nut (7) is flush with the inner wall of the outer shell (3) for easy drainage; the blocking member (6) is connected to the mounting nut (7) via a thread, and a sealing member (11) is provided at the connection between the blocking member (6) and the mounting nut (7).

4. A water-cooled muffler as claimed in claim 1, characterized in that: The water inlet (4a) is connected to an external water source to provide cooling water, and the water outlet (4b) is connected to a hot water cleaning machine.

5. A water-cooled muffler as claimed in claim 1, characterized in that: The inner shell (1) and the outer shell (3) are separated by spiral blades (8) fixed by welding to form the spiral water channel (4), and the two ends of the inner shell (1) and the outer shell (3) are fixedly connected by an end cover (9), and the end cover (9) is provided with an air inlet (9a) and an air outlet (9b), and one end of the air inlet (9a) is provided with a mounting flange (10).

6. A water-cooled muffler as claimed in claim 1, characterized in that: The water-cooled muffler is made of rust-proof material.

7. A hot water cleaning machine, characterized in that: A water-cooled muffler comprising any one of claims 1 to 6.

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