CN215804777U

CN215804777U - Exhaust spraying cooling device

Info

Publication number: CN215804777U
Application number: CN202122171393.0U
Authority: CN
Inventors: 孙志国; 杨云辉; 郭建超; 周伟超
Original assignee: Henan Diesel Engine Industry Co Ltd
Current assignee: Henan Diesel Engine Industry Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-11
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses an exhaust spraying cooling device, which comprises a connecting pipe, wherein two ends of the connecting pipe are respectively communicated with an air inlet pipe and an exhaust pipe, at least three water pipes are uniformly distributed on the outer side surface of the connecting pipe along the central axis of the connecting pipe in an annular shape, the water pipes are arranged in parallel with the connecting pipe, three water spray pipes are uniformly distributed at the lower end of each water pipe along the length direction of the water pipe, the lower ends of the water spray pipes are inserted into the connecting pipe, nozzles are arranged at the tail ends of the water spray pipes, the water spray pipes in the annular shape are communicated through an annular communicating pipe, one end of one water pipe is provided with a water inlet pipe, the water inlet pipe is connected with an output pipe of a water pump through a pipeline, and an input pipe of the water pump is inserted into a water tank.

Description

Exhaust spraying cooling device

Technical Field

The utility model relates to the technical field of diesel engines, in particular to an exhaust spraying cooling device.

Background

When the engine normally operates, a large amount of high-temperature waste gas can be generated, so that a large amount of gaseous pollutants such as nitrogen oxides and the like can be generated, the atmosphere is polluted, and meanwhile, fuel can be combusted in the exhaust pipe due to overhigh exhaust temperature, so that the exhaust temperature is sharply increased, the after-combustion is increased, and the normal operation of the engine is influenced. Therefore, it is imperative to reduce the exhaust temperature and improve the quality of exhaust pollution.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides an exhaust spraying cooling device, which can effectively solve the problems in the background art by fully cooling high-temperature waste gas through externally connected cooling water through annularly arranged water pipes.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an exhaust sprays heat sink, includes the connecting pipe, and the both ends of connecting pipe are linked together with intake pipe and blast pipe respectively, the lateral surface of connecting pipe is annular equipartition along its central axis and has at least three water pipe, water pipe and connecting pipe parallel arrangement, the lower extreme of every water pipe has three spray pipe along its length direction equipartition, the lower extreme of spray pipe inserts in the connecting pipe and the tail end of spray pipe is provided with the nozzle, is linked together through annular communicating pipe between the water pipe that the annular distributes, and the one end of one of them water pipe is provided with the inlet tube, and the inlet tube passes through the output tube connection of pipeline and water pump, and the input tube of water pump inserts to the water tank in.

As a preferred technical scheme of the utility model, the number of the water pipes is six, the six water pipes are uniformly distributed on the outer side surface of the connecting pipe in an annular manner around the central axis of the connecting pipe, and the six water pipes are communicated with each other through three annular communicating pipes.

As a preferred technical scheme of the utility model, the nozzle is of a circular structure, and twelve unthreaded holes are uniformly distributed on the outer side surface of the nozzle.

As a preferable technical solution of the present invention, the middle portion of the connection pipe is a regular hexagonal flow guide body, and the water spray pipe is installed on the flow guide body.

In a preferred embodiment of the present invention, the spray pipe and the nozzle are fastened by a nut.

As a preferred technical scheme of the utility model, flanges are arranged at two ends of the connecting pipe, and the two ends of the connecting pipe are respectively connected with the air inlet pipe and the exhaust pipe through the flanges.

As a preferable technical scheme of the utility model, the water inlet pipe is connected with the pipeline through a hose.

As a preferable technical scheme of the utility model, a liquid level meter and a filter are arranged in the water tank.

As a preferred technical scheme of the utility model, an electromagnetic valve is arranged at the outlet end of the water pump, and a first pressure sensor, a first temperature sensor and a flowmeter are respectively arranged on the outer side surface of a pipeline between the electromagnetic valve and a water inlet pipe.

As a preferable technical solution of the present invention, both ends of the connection pipe are provided with a second temperature sensor and a second pressure sensor.

Compared with the prior art, the utility model has the beneficial effects that: this exhaust sprays heat sink compact structure, reasonable in design, convenient operation, can effectually carry out abundant cooling to high temperature waste gas, provide the space for spraying the cooling through setting up the connecting pipe between intake pipe and blast pipe, logical nuo is convenient for put through the comdenstion water at the lateral surface equipartition water pipe of connecting pipe, the below of every water pipe sets up three spray pipe and realizes intensive cooling, atomize the cooling water through the nozzle, can improve the cooling effect greatly, guarantee the normal operating of engine.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic view of the installation of the present invention.

In the figure: the device comprises a filter 1, a water tank 2, a liquid level meter 3, a water pump 4, an electromagnetic valve 5, a first pressure sensor 6, a first temperature sensor 7, a flow meter 8, a hose 9, an annular communicating pipe 10, a connecting pipe 11, a flange 12, a second pressure sensor 13, a flow guide body 14, a nozzle 15, a water pipe 16, a nut 17, a water inlet pipe 18, a second temperature sensor 19 and a water spray pipe 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-3, the present invention provides a technical solution: an exhaust spraying cooling device comprises a connecting pipe 11, wherein flanges 12 are arranged at two ends of the connecting pipe 11, two ends of the connecting pipe 11 are respectively connected with an air inlet pipe and an exhaust pipe through the flanges 12, the installation of the connecting pipe 11 is facilitated, at least three water pipes 16 are uniformly distributed on the outer side surface of the connecting pipe 11 in an annular manner along the central axis of the connecting pipe 11, preferably, the number of the water pipes 16 is six, the six water pipes 16 are uniformly distributed on the outer side surface of the connecting pipe 11 in an annular manner around the central axis of the connecting pipe 11, the six water pipes 16 are communicated through three annular communicating pipes 10, so that the interiors of all the water pipes 16 are communicated, the water pipes 16 are arranged in parallel with the connecting pipe 11, three spray pipes 20 are uniformly distributed at the lower end of each water pipe 16 along the length direction of the water pipe, the lower ends of the spray pipes 20 are inserted into the connecting pipe 11, nozzles 15 are arranged at the tail ends of the spray pipes 20, and a regular-hexagon flow guide body 14 is arranged in the middle part of the connecting pipe 11, the spray pipe 20 is arranged on the flow guide body 14, the square mounting plane is arranged, the nozzle 15 is convenient to mount and fix, the spray pipe 20 is tightly connected with the nozzle 15 through a nut 17, the nozzle 15 is convenient to dismount and mount, the nozzle 15 is of a circular structure, twelve unthreaded holes are uniformly distributed on the outer side surface of the nozzle 15, one end of one water pipe 16 is provided with a water inlet pipe 18, the water inlet pipe 18 is connected with an output pipe of the water pump 4 through a pipeline, the water inlet pipe 18 is connected with the pipeline through a hose 9, the hose 9 is convenient to arrange, the water inlet pipe 18 is communicated with the water pump 4 and is suitable for mounting connecting pipes 11 with different position heights, an input pipe of the water pump 4 is inserted into the water tank 2, the liquid level meter 3 and the filter 1 are arranged in the water tank 2, the water level of cooling water in the water tank 2 can be detected in real time through the arrangement of the liquid level meter, and the filter 1 can filter impurities in the cooling water, guarantee the cooling quality of cooling water, the exit end of water pump 4 is provided with solenoid valve 5, pipeline lateral surface between solenoid valve 5 and the inlet tube 18 is provided with first pressure sensor 6 respectively, first temperature sensor 7 and flowmeter 8, install first temperature sensor 7 before the cooling water gets into the connecting pipe, first pressure sensor 13 and flowmeter 8, measure the cooling water temperature respectively, pressure and flow, and timely feedback, in time adjust cooling water flow and pressure according to feedback data, this exhaust sprays the heat sink compact structure, and reasonable design, and convenient operation can carry out abundant cooling to high temperature waste gas, the effectual normal operating who guarantees the engine.

When in use: the water pump 4 pumps cooling water from the water tank 2, the cooling water in the water tank 2 is filtered by the filter 1, the cleaning of the cooling water is guaranteed, the blockage is prevented, the cooling water passes through the electromagnetic valve 5 through the water pump 4, and when the electromagnetic valve 5 is normally operated, the cooling water passes through; when the exhaust gas cooling device stops working, the electromagnetic valve 5 is closed, waste gas in the exhaust pipe 11 is prevented from flowing backwards, before cooling water enters the connecting pipe 11, the first temperature sensor 7, the first pressure sensor 6 and the flowmeter 8 measure the temperature, the pressure and the flow of the cooling water respectively, the cooling water is fed back in time, the flow and the pressure of the cooling water are adjusted in time according to feedback data, the cooling water enters the connecting pipe 11, and the nozzle 15 sprays water mist to cool high-temperature waste gas passing through the connecting pipe 11.

Example 2: the difference with embodiment 1 lies in that both ends of connecting pipe all are provided with second temperature sensor 19 and second pressure sensor 13, and second temperature sensor 19 and second pressure sensor 13 are arranged to the import and the exit position of connecting pipe 11, measure connecting pipe 11 respectively before and after water pump 4 opens exhaust pipe outlet cross-section exhaust average temperature and pressure for verify the cooling effect whether satisfy the index requirement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust sprays heat sink which characterized in that: including connecting pipe (11), the both ends of connecting pipe (11) are linked together with intake pipe and blast pipe respectively, the lateral surface of connecting pipe (11) is the annular equipartition along its central axis and has at least three water pipe (16), water pipe (16) and connecting pipe (11) parallel arrangement, the lower extreme of every water pipe (16) has three spray pipe (20) along its length direction equipartition, the lower extreme of spray pipe (20) inserts and is provided with nozzle (15) to the tail end of spray pipe (20) in connecting pipe (11), is linked together through annular communicating pipe (10) between the water pipe (16) of annular distribution, and the one end of one of them water pipe (16) is provided with inlet tube (18), and inlet tube (18) pass through the output tube connection of pipeline with water pump (4), and the input tube of water pump (4) inserts in water tank (2).

2. The exhaust gas spray cooling device according to claim 1, wherein: the number of the water pipes (16) is six, the six water pipes (16) are annularly and uniformly distributed on the outer side surface of the connecting pipe (11) around the central axis of the connecting pipe (11), and the six water pipes (16) are communicated with each other through three annular communicating pipes (10).

3. The exhaust gas spray cooling device according to claim 1, wherein: the nozzle (15) is of a circular structure, and twelve unthreaded holes are uniformly distributed on the outer side surface of the nozzle (15).

4. The exhaust gas spray cooling device according to claim 1, wherein: the middle part of the connecting pipe (11) is a regular hexagon flow guide body (14), and the water spraying pipe (20) is installed on the flow guide body (14).

5. The exhaust gas spray cooling device according to claim 1, wherein: the spray pipe (20) is tightly connected with the nozzle (15) through a nut (17).

6. The exhaust gas spray cooling device according to claim 1, wherein: flanges (12) are arranged at two ends of the connecting pipe (11), and two ends of the connecting pipe (11) are connected with the air inlet pipe and the exhaust pipe through the flanges (12) respectively.

7. The exhaust gas spray cooling device according to claim 1, wherein: the water inlet pipe (18) is connected with the pipeline through a hose (9).

8. The exhaust gas spray cooling device according to claim 1, wherein: a liquid level meter (3) and a filter (1) are arranged in the water tank (2).

9. The exhaust gas spray cooling device according to claim 1, wherein: the outlet end of the water pump (4) is provided with an electromagnetic valve (5), and the outer side surface of the pipeline between the electromagnetic valve (5) and the water inlet pipe (18) is provided with a first pressure sensor (6), a first temperature sensor (7) and a flowmeter (8) respectively.

10. The exhaust gas spray cooling device according to claim 1, wherein: and both ends of the connecting pipe (11) are provided with a second temperature sensor (19) and a second pressure sensor (13).