CN202012390U

CN202012390U - Eddy exhaust discharging device

Info

Publication number: CN202012390U
Application number: CN2011200974053U
Authority: CN
Inventors: 林永钦
Original assignee: SHENGFENGQUAN ENTERPRISE CO Ltd
Current assignee: SHENGFENGQUAN ENTERPRISE CO Ltd
Priority date: 2011-04-06
Filing date: 2011-04-06
Publication date: 2011-10-19
Anticipated expiration: 2021-04-06

Abstract

The utility model relates to an eddy exhaust discharging device. An outer pipe is arranged in the inner space of a casing provided with an air inlet and an air outlet at two ends respectively, and the outer pipe is provided with a circular circumference wall provided with a plurality of through holes. An inner pipe provided with contracted pipe sections at two ends is further arranged inside the outer pipe, and a plurality of holes are arranged on the contracted pipe sections of the inner pipe. An eddy assembly is further fixedly arranged in an inner containing chamber of the inner pipe and formed by a shaft pipe and a plurality of eddy blades fixedly arranged on the outer surface of the shaft pipe, and a noise absorption filtering layer is arranged between the inner wall face of the casing and the outer wall face of the outer pipe. By use of the eddy exhaust discharging device, in addition to a fact that the noise absorption filtering layer enables noises to be reduced, and chemical substances containing in exhaust are filtered and absorbed by the noise absorption filtering layer, insufficient return pressure can be avoided when the exhaust passes through the inner pipe, thereby improving discharging speed and discharging flow of the exhaust and then improving performance of vehicles and performance of locomotives.

Description

The eddy current venting gas appliance

Technical field

The utility model relates to a kind of eddy current venting gas appliance, and finger can be applicable to the Cat Catalytic Converter rear of the exhaust emission device of vapour, locomotive especially, and can replace acoustic resonator, and it strengthens waste gas simultaneously in the process of sound of going out the velocity of discharge has environment protection effect.

Background technique

Traditional vapour, the exhaust emission device of locomotive are that its exhaust valve from engine connects the menifold of establishing exhaust, and menifold is equipped with Cat Catalytic Converter, acoustic resonator and baffler backward in regular turn.Wherein, waste gas is behind Cat Catalytic Converter, its extraction flow can significantly weaken, and because of Cat Catalytic Converter inside is tiny netted design, and the generation higher temperature partly carries out the burning second time to the oil gas unburned, yet still can produce trickle carbon distribution after the burning, the long-time use down, too much carbon distribution can make the internal structure of Cat Catalytic Converter cause part to stop up, and the anti-exhaust airstream back pressure that makes increases, and high temperature can be back to engine, shorten the life-span of engine, and cause the decay of horsepower part, and outer carbon monoxide and the hydrocarbons content of discharge car improves, thereby befouling environment, be detrimental to health.Be with, the utility model is improved at the existing disappearance of the exhaust emission device of traditional vapour, locomotive.

The model utility content

From the above, the technical problem of the utility model institute desire solution is as can be known, does not attain because of design at the exhaust emission device of prior art and improves the defective that causes engine horsepower impairment, befouling environment, and a kind of effective technical construction of improving is provided.

The technological scheme that the utility model technical solution problem is adopted is: a kind of eddy current venting gas appliance, comprise: shell, outer tube, interior pipe, eddy current assemblies and absorptive filter layer, the opposite end of this shell is respectively suction port and air outlet, and has the inner space of expansion between this suction port and air outlet; And this outer tube is the inside that is arranged in this shell, and the two ends of this outer tube have the through hole that dwindles respectively, and the through hole at these two ends is connected to the suction port and the air outlet of this shell, and the perisporium of this outer tube is provided with several perforation again; And should interior pipe be the inside that is arranged in this outer tube, and the two ends of pipe are respectively import and outlet in being somebody's turn to do, and the side of this import and this outlet respectively has draw section, and internal capacity room for enlarging between this two draws section, the inlet/outlet at pipe two ends is connected to the suction port and the air outlet of this shell in being somebody's turn to do in addition, and the sidewall of this two draws section is provided with several holes again; And this eddy current assemblies comprises the central siphon of perforation, and the outer surface of this central siphon is equipped with several spiral volution blades, and the outer side of this volution blade is installed in the internal face of the internal capacity room of pipe in this, and make this central siphon be positioned at the center of this pipe, this absorptive filter layer then is located between the outside of the inside of this shell and this outer tube in addition.In view of the above, waste gas reduces except the absorptive filter layer can make noise during by interior pipe, with absorb and chemical substance that filtering exhaust is contained outside, more can avoid the phenomenon of back pressure deficiency, quicken exhaust gas discharging speed and flow, and can promote the performance of steam turbine car.

Preferably, this outer tube is the inside that is arranged in the inner space of this shell.

Preferably, the central siphon length of this eddy current assemblies is the length that is shorter than the internal capacity room of pipe in this.

Preferably, the inlet end of this central siphon has expanding part.

Preferably, the volution blade of this eddy current assemblies is provided with several open-works.

Therefore, a kind of eddy current venting gas appliance that provides of the present utility model, it can be installed in the rear of Cat Catalytic Converter, also can replace the acoustic resonator position, it is to produce too high back pressure and temperature because of Cat Catalytic Converter, by the spiral air flow that this device produced it is taken out of outward, and the carbon distribution that amasss in Cat Catalytic Converter together can be taken out of, to keep the smooth and easy of Cat Catalytic Converter exhaust, simultaneously can make vehicle exhaust smooth and easy, make quickening at a high speed situation and can vehicle be had quicken situation slow and that speed descends immediately after throttle bleeds off because of the design of Cat Catalytic Converter exhaust structure.

Description of drawings

Fig. 1 is that stereochemical structure of the present utility model is analysed and observe reference drawing.

Fig. 2 is that plane structure of the present utility model is analysed and observe and implemented reference drawing.

Fig. 3 is that the solid of eddy current assemblies of the present utility model is implemented illustration.

(the utility model embodiment)

Embodiment

As shown in Figures 1 and 2, eddy current venting gas appliance provided by the utility model is to include: shell 1, outer tube 2, interior pipe 3, eddy current assemblies 4 and absorptive filter layer 5.Wherein:

Shell 1, with the stainless steel materials welding fabrication, its opposite end has suction port 11 and air outlet 12 respectively, and the inner space 13 for enlarging between suction port 11 and the air outlet 12.

Outer tube 2, with the corrosion resistant plate material forming, its two ends have the through hole 21 that dwindles respectively, and are provided with several perforation 22 in its perisporium, this outer tube 2 is located at 13 inside, inner space of above-mentioned shell 1, and makes the through hole 21 at these outer tube 2 two ends be connected in the suction port 11 and air outlet 12 of this shell 1.

Interior pipe 3, with the corrosion resistant plate material forming, its two ends have import 31 and outlet 32 respectively, and this import 31 and each the tool draw section 33 of side that exports 32, the sidewall of draw section 33 is provided with several holes 331, and the internal capacity room 34 for enlarging between this two draws section 33, pipe 3 is located at above-mentioned outer tube 2 inside in this, and the import 31 at its two ends, outlet 32 are connected to the suction port 11 and air outlet 12 of this shell 1.

Eddy current assemblies 4, include the central siphon 41 with center hole 411 and several spiral helicine volution blades 42 (for another Fig. 3) that are located at these central siphon 41 outer surfaces, the length of this central siphon 41 is the length (as Fig. 2) that is shorter than the internal capacity room 34 of pipe 3 in this, and the inlet end of this central siphon 41 has expanding part 412, the outer side of this volution blade 42 is installed in the internal face of the internal capacity room 34 of pipe 3 in this again, and make this central siphon 41 be positioned at the center of this pipe 3, this volution blade 42 is provided with several open-works 421 in addition.

Absorptive filter layer 5 can be selected existing absorptive filter material for use, and as glass fibre cotton, it is to be located between above-mentioned shell 1 inside and outer tube 2 outsides.

Form by above-mentioned member, it can be installed in the rear of Cat Catalytic Converter of the exhaust emission device of vapour, locomotive, implements in order to replace acoustic resonator.When waste gas is flow to by the suction port 11 of shell 1 (as Fig. 2), effect by the draw section 33 of interior pipe 3, make exhaust carry out the compression first time, flow into the eddy current assemblies 4 at rear then, and because of eddy current assemblies 4 is to be positioned among the internal capacity room 34, and the caliber of internal capacity room 34 is big than draw section 33, make to amplify by venturi principle (ventri principle) when allowing exhaust and expand through draw section 33, and make gas produce spiral via volution blade 42, the central siphon 41 of this eddy current assemblies 4 is a hollow state because of it again, so when exhaust produces as the whirlpool during air-flow via volution blade 42, center hole 411 parts can be vacuum state, vacuum state whereby, Cat Catalytic Converter to the place ahead produces suction, allow the gas suction and quicken to pass through Cat Catalytic Converter whereby in Cat Catalytic Converter the place ahead, and carbon distribution taken advantage of a situation take out of, also too high temperature slightly can be reduced simultaneously, allow internal-combustion engine (engine) keep stable temperature, then, again via the draw section 33 of opposite side, compression is for the second time done in air outlet 12, and expanding gas again, air-flow flow in the baffler at rear more then.

Simultaneously, when being vented to suction port 11 and air outlet 12, because the sidewall of the draw section 33 of interior pipe 3 is provided with several holes 331, and exhaust also can be flow in the outer tube 2, carries out convection current, and outer tube 2 is provided with several perforation 22, High Temperature Gas fails to be convened for lack of a quorum and flow in shell 1 and the outer tube 2, and wherein is provided with the absorptive filter layer, by means of the effect that sound-absorption and heat-insulation is arranged after its heat absorption after-hardening, reaching the flat purpose, and toxic chemical substances such as carbon monoxide contained in the waste gas and hydrocarbon are given absorbing and filtering.

Go up according to this embodiment's explanation, the utility model can replace the effect of traditional acoustic resonator, the effect that not only has acoustic resonator, and pipe 3 and volution blade 42 can produce the part back pressure in addition in of the present utility model, allow vehicle not the reason air-flow fast the phenomenon by causing the back pressure deficiency (if because the back pressure deficiency then can be when low speed be started to walk, cause vehicle heavily to drag, unable situation), and the utility model can improve this situation, and it is smooth and easy to strengthen exhaust, promote air and fuel mixture ratio to reach perfect combustion and bring into play the highest thermal efficiency, simultaneously, need not take off Cat Catalytic Converter and can have this effect, can take into account environmental protection again, this be present numerous generation Cat Catalytic Converter can't reach.

In sum, when knowing that the utility model got rid of the disappearance of aforesaid prior art really, and have practicability, novelty and creativeness, meet the utility model patent important document.Only the above person is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.

Claims

1. an eddy current venting gas appliance is characterized in that, includes:

Shell, its opposite end is respectively suction port and air outlet, and has the inner space of expansion between this suction port and the air outlet;

Outer tube, it is arranged in the inside of this shell, and the two ends of this outer tube have the through hole that dwindles respectively, and the through hole at these two ends is connected to the suction port and the air outlet of this shell, and the perisporium of this outer tube is provided with several perforation again;

Interior pipe, it is arranged in the inside of this outer tube, the two ends of pipe are respectively import and outlet in being somebody's turn to do, the side of this import and this outlet respectively has draw section, and should interior pipe between this two draws section the internal capacity room that enlarges, should interiorly manage the import at two ends, suction port and the air outlet that outlet is connected to this shell in addition, the sidewall of this two draws section is provided with several holes again;

Eddy current assemblies has the central siphon of perforation, and the outer surface of this central siphon is equipped with several spiral volution blades, and the outer side of this volution blade is installed in the internal face of the internal capacity room of pipe in this, and makes this central siphon be positioned at the center of this pipe; And

The absorptive filter layer is located between the outside of the inside of this shell and this outer tube.

2. eddy current venting gas appliance as claimed in claim 1 is characterized in that, this outer tube is the inside that is arranged in the inner space of this shell.

3. eddy current venting gas appliance as claimed in claim 2 is characterized in that, the central siphon length of this eddy current assemblies is the length that is shorter than the internal capacity room of pipe in this.

4. eddy current venting gas appliance as claimed in claim 3 is characterized in that the inlet end of the central siphon of this eddy current assemblies has expanding part.

5. as claim 1,2,3 or 4 described eddy current venting gas appliance, it is characterized in that the volution blade of this eddy current assemblies is provided with several open-works.