CN213838732U

CN213838732U - Smoke exhaust pipe assembly and engine

Info

Publication number: CN213838732U
Application number: CN202022392716.4U
Authority: CN
Inventors: 戴海康
Original assignee: Hunan Liyu New Energy Technology Co ltd
Current assignee: Hunan Liyu Environmental Protection Energy Co.,Ltd.
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-07-30
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a tub assembly and engine of discharging fume relates to the technical field of engine, this tub assembly of discharging fume, including tub main part and the condenser pipe of discharging fume, the tub main part of discharging fume has the bending tube and the connecting pipe of being connected with the engine, the one end of bending tube with the connecting pipe is connected, just the bending tube kickup. The utility model provides a connecting pipe of the main body of the smoke exhaust pipe assembly is provided with a condensation pipe which can discharge condensed water, tail gas discharged by an engine firstly enters the connecting pipe, then the flowing direction of the tail gas is changed through the bent pipe, so that the tail gas can be discharged in a high position, and the condensed water condensed by water vapor flows into the connecting pipe under the action of gravity in the process that the tail gas flows in the exhaust pipe assembly; because the connecting position of condenser pipe and connecting pipe is located the level minimum, the condensate water that flows into in the connecting pipe can flow into in the condenser pipe to avoid the condensate water to flow into the engine, corrode the engine.

Description

Smoke exhaust pipe assembly and engine

Technical Field

The utility model belongs to the technical field of the technique of engine and specifically relates to a tub assembly and engine of discharging fume is related to.

Background

During operation, the engine emits a large amount of hot and humid exhaust gas, and in general, at the engine exhaust outlet, moisture is present in a vaporized gaseous state and enters the atmosphere together with the exhaust gas.

However, in order to meet the requirement of environmental protection, the exhaust gas of the engine is usually subjected to noise reduction, catalytic conversion of harmful gases, dust removal, waste heat utilization, high-level emission and other treatments, and along with the exhaust gas discharged along an exhaust pipeline, the exhaust gas contacts with the wall of the exhaust pipe along the way to generate heat conduction and heat radiation, the temperature is reduced, and water vapor in the exhaust gas can be reduced below a dew point to generate condensed water.

The condensed water is gradually accumulated and flows to the lower part along the pipe wall, and the corrosive liquid is generated by combining the condensed water and the harmful gas in the wet waste gas, so that the corrosive liquid is discharged in time, the corrosion and perforation of the pipeline can be caused, the supercharger of the engine is damaged, the cylinder sleeve of the engine is pulled, the lubricating oil is degraded, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tub assembly and engine of discharging fume to the difficult discharged technical problem of comdenstion water in the pipe of discharging fume is solved.

The utility model provides a smoke exhaust pipe assembly, which comprises a smoke exhaust pipe main body, a submerged bent pipe and a condensation pipe, wherein the smoke exhaust pipe main body is provided with a bent pipe and a horizontally arranged connecting pipe connected with an engine, one end of the bent pipe is connected with the connecting pipe, and the bent pipe is bent upwards;

the lowest position of the horizontal position of the connecting pipe is communicated with the condensing pipe, the submerged elbow is connected with the condensing pipe, and the horizontal height of the submerged elbow is lower than that of the connecting pipe.

Furthermore, a water replenishing port for replenishing water into the submerged elbow is arranged on the condensation pipe.

Furthermore, a drain outlet is arranged at the lowest position of the submerged elbow.

Furthermore, the water replenishing port and the sewage draining port are both provided with plugging seal heads.

Further, the condenser pipe adopts a DN25 pipeline.

Further, when the height of the water level of the submerged elbow is H, the pressure generated by water is not less than the maximum exhaust back pressure value of the engine.

Further, when the exhaust back pressure of the engine is not more than 5KPa, the water level height H of the submerged elbow is not less than 500 mm.

Furthermore, the submerged elbow is connected with a drain pipe, and the drain pipe enables water discharged by the submerged elbow to be discharged downwards.

Further, the height of the inlet of the drain pipe is the same as the water level height H of the submerged elbow pipe, and the inlet of the drain pipe is located at the highest position of the drain pipe.

The utility model also provides an engine, including the aforesaid discharge fume and manage the assembly.

The utility model provides a set up the condenser pipe that can discharge the comdenstion water on the connecting pipe of the pipe main part of discharging fume of tub assembly of discharging fume, the tail gas that the engine was discharged enters into the connecting pipe earlier, changes the flow direction of tail gas through the bent pipe again, makes its tail gas can high-order discharge, the comdenstion water of vapor condensation flows into the connecting pipe under the effect of gravity in the process that tail gas flows in the blast pipe assembly; because the connecting position of condenser pipe and connecting pipe is located the level minimum, the comdenstion water that flows into in the connecting pipe can flow into in the condenser pipe to avoid the comdenstion water to flow into the engine, corrode the engine.

And the condenser pipe is connected with the submerged elbow, water is arranged in the submerged elbow, and when the engine exhausts tail gas, the pressure generated by the tail gas is smaller than the pressure generated by the water in the submerged elbow, so that the tail gas cannot enter the condenser pipe, and the tail gas is prevented from being exhausted from the condenser pipe.

The utility model also provides an engine, this engine adopt foretell exhaust pipe assembly to have all beneficial effects of exhaust pipe assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a smoke exhauster assembly provided in an embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the submerged elbow and the drain pipe of the extractor hood assembly shown in FIG. 1.

Icon: 100-connecting pipe; 200-bending a tube; 300-a condenser tube; 400-submerged elbow pipe; 500-water replenishing port; 600-a sewage draining outlet; 700-water drain pipe.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, the smoke exhaust pipe assembly provided by the present invention comprises a smoke exhaust pipe main body and a condensation pipe 300, wherein the smoke exhaust pipe main body comprises a bending pipe 200 and a connection pipe 100 connected to an engine, one end of the bending pipe 200 is connected to the connection pipe 100, and the bending pipe 200 is bent upwards;

the lowest position of the horizontal position of the connection pipe 100 is communicated with the condensation pipe 300, the submerged elbow 400 is connected with the condensation pipe 300, and the horizontal height of the submerged elbow 400 is lower than that of the connection pipe 100.

In some embodiments, the connection pipe 100 of the smoke exhaust pipe assembly is used for being connected with an engine, tail gas exhausted by the engine enters the connection pipe 100, the connection pipe 100 is generally horizontally arranged, in order to enable the tail gas to be exhausted in a high position, the connection pipe 100 is connected with the bent pipe 200, the bent pipe 200 enables the flow direction of the tail gas to be changed, the tail gas flows upwards and flows into other parts of the smoke exhaust pipe main body, the other parts of the smoke exhaust pipe main body are subjected to noise reduction and reduction, catalytic conversion of harmful gas, dust removal, waste heat utilization and the like, finally, the tail gas is exhausted in a high position, the tail gas is guided to the high position and exhausted, tail gas gathering on the ground is reduced, and tail gas diffusion is facilitated.

In the process of tail gas treatment, because the reduction of temperature, the vapor condensation, the comdenstion water that condenses flows down along the tub main part of discharging fume under the effect of gravity, flows into the connecting pipe 100 always, is provided with condenser pipe 300 in the lower extreme of connecting pipe 100, and the comdenstion water flows into condenser pipe 300 under the effect of gravity, discharges through condenser pipe 300, avoids the comdenstion water to enter into the engine in, causes the corruption to the engine.

In order to avoid the exhaust gas discharged from the engine from being discharged from the condensation pipe 300, the condensation pipe 300 is connected with the submerged elbow 400, water is contained in the submerged elbow 400, resistance is generated in the submerged elbow 400 by the water, the exhaust gas of the engine can be prevented from entering the condensation pipe 300, and the exhaust gas is prevented from being discharged from the condensation pipe 300 without being treated.

Based on the above embodiments, further, the condensation pipe 300 is provided with a water replenishing port 500 for replenishing water into the submerged elbow 400.

In order to evaporate water in the submerged elbow 400 due to long-term engine nonuse, the water in the submerged elbow 400 is not enough to prevent exhaust gas discharged from the engine from being discharged therefrom, a water replenishing port 500 is provided on the condensation pipe 300, and water can be replenished into the submerged elbow 400 through the water replenishing port 500, so that the submerged elbow 400 has enough water for preventing the exhaust gas from being discharged.

In order to prevent the sediment in the trap 400 from being continuously accumulated and blocking the trap 400, a drain outlet 600 is further provided at the lowest position of the trap.

Be provided with drain 600 in the lowest of heavy water return bend 400, after drain 600 opened, deposit in the heavy water return bend 400 was under the effect of gravity, generally all piled up in drain 600 department, opened the back when drain 600, under the drive of water and under the self gravity of deposit, discharged from drain 600, avoided too much deposit to pile up in heavy water return bend 400, led to the jam of heavy water return bend 400.

Based on the above embodiment, further, the water replenishing opening 500 and the sewage draining opening 600 are both provided with plugging seal heads.

In order to avoid the tail gas of engine to discharge at moisturizing mouth 500 department, be provided with the shutoff head at moisturizing mouth 500 department, the shutoff head is sealed moisturizing mouth 500 department, avoids tail gas to discharge from here, and the shutoff head can be dismantled with moisturizing mouth 500 and be connected, and when needs mended water through moisturizing mouth 500, the shutoff head can be followed drain outlet department and pulled down.

In order to discharge the sediment in the trap 400 when the sediment in the trap 400 is not required, the water in the trap 400 flows out, a plugging seal head is also arranged at the sewage outlet 600, and the plugging seal head is also detachably connected with the sewage outlet 600.

Based on the above embodiment, further, the condensation pipe 300 adopts a DN25 pipeline.

The condenser pipe 300 adopts a pipeline with the inner diameter of 25mm, and the condenser pipe 300 and the submerged elbow pipe 400 generally adopt the same pipeline and are pipelines with the specification of DN 25.

Based on the above embodiments, further, when the water level of the submerged elbow 400 is H, the pressure generated by the water is not less than the maximum exhaust back pressure value of the engine.

The pressure generated by the water in the submerged elbow 400 is not less than the maximum exhaust back pressure value of the engine, that is, the exhaust gas generated by the engine cannot make the water in the submerged elbow 400 be discharged from the submerged elbow 400, so that the exhaust gas generated by the engine cannot be discharged from the condensation pipe 300.

Based on the above embodiment, as shown in FIG. 2, further, when the exhaust back pressure of the engine is not greater than 5KPa, the water level height H of the submerged elbow 400 is greater than or equal to 500 mm.

Generally, the exhaust back pressure of the engine is not more than 5KPa, that is, the height of water in the submerged elbow 400 cannot be less than 500mm, otherwise, when the power of the engine is increased, the exhaust gas can enable the water in the submerged elbow 400 to be discharged from the submerged elbow 400, so that the exhaust gas can be discharged from the condensation pipe 300 without being treated, and the environment is polluted.

Based on the above embodiment, further, the submerged elbow 400 is connected to a drainage pipe 700, and the drainage pipe 700 discharges water discharged from the submerged elbow 400 downward.

Further, the height of the inlet of the drain pipe 700 is the same as the water level height H of the submerged elbow 400, and the inlet of the drain pipe 700 is located at the highest position of the drain pipe 700.

The outlet of the trap 400 is connected to the inlet of the drain pipe 700, and when the condensed water in the trap 400 increases, the condensed water in the trap 400 can flow into the drain pipe 700, and the drain pipe 700 discharges the condensed water, and the drain pipe 700 has a downward opening, so that the drain pipe 700 can discharge the condensed water as soon as possible after the condensed water in the trap 400 enters the drain pipe 700, and the condensed water is prevented from staying in the drain pipe 700.

The utility model provides a set up on connecting pipe 100 of the pipe main part of discharging fume of tub assembly of discharging fume and can be with condensate water exhaust condenser pipe 300, the exhaust gas of engine exhaust enters into connecting pipe 100 first, change the flow direction of tail gas through bent pipe 200 again, make its tail gas can high-order discharge, the condensate water of vapor condensation flows into connecting pipe 100 under the effect of gravity in the course that the tail gas flows in the exhaust pipe assembly; because the connection position of the condensation pipe 300 and the connection pipe 100 is located at the lowest position, the condensed water flowing into the connection pipe 100 can flow into the condensation pipe 300, so that the condensed water is prevented from flowing into the engine and corroding the engine.

And condenser pipe 300 is connected with submerged elbow 400, has water in submerged elbow 400, and when the engine discharged tail gas, the pressure that the tail gas produced was less than the pressure that the water produced in submerged elbow 400, makes tail gas unable to enter into condenser pipe 300 to avoid tail gas to discharge from condenser pipe 300.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A smoke exhaust pipe assembly is characterized by comprising a smoke exhaust pipe main body, a submerged bent pipe and a condensation pipe, wherein the smoke exhaust pipe main body is provided with a bent pipe and a horizontally arranged connecting pipe connected with an engine, one end of the bent pipe is connected with the connecting pipe, and the bent pipe is bent upwards;

2. The smoke exhaust pipe assembly according to claim 1, wherein the condensation pipe is provided with a water replenishing port for replenishing water into the submerged elbow pipe.

3. The smoke exhaust pipe assembly according to claim 2, wherein a drain outlet is provided at the lowest position of the submerged elbow pipe.

4. The smoke exhaust pipe assembly according to claim 3, wherein the water replenishing port and the sewage draining port are both provided with a blocking end socket.

5. The smoke exhaust pipe assembly according to claim 1, wherein the condensation pipe adopts DN25 pipeline.

6. The exhaust pipe assembly according to claim 1, wherein when the submerged elbow has a water level height of H, the pressure generated by the water is not less than the maximum exhaust back pressure value of the engine.

7. The smoke exhaust pipe assembly according to claim 6, wherein when the exhaust back pressure of the engine is not more than 5KPa, the water level height H of the submerged elbow is not less than 500 mm.

8. The smoke exhaust pipe assembly according to claim 6, wherein said submerged elbow is connected to a drain pipe, said drain pipe discharging water discharged from said submerged elbow downward.

9. The smoke exhaust pipe assembly according to claim 8, wherein the height of the inlet of the water discharge pipe is the same as the height H of the water level of the submerged elbow pipe, and the inlet of the water discharge pipe is located at the highest position of the water discharge pipe.

10. An engine comprising the smoke exhaust duct assembly of any one of claims 1 to 9.