CN219622762U

CN219622762U - Mining diesel engine tail gas particulate filter

Info

Publication number: CN219622762U
Application number: CN202223459739.8U
Authority: CN
Inventors: 张振亚; 张晓黎
Original assignee: Xuzhou Lanmin Science & Technology Co ltd
Current assignee: Xuzhou Lanmin Science & Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-09-01
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a technical scheme provided by the utility model, which comprises the following steps: the utility model provides a mining diesel engine tail gas particulate filter, includes left casing, right casing, left side casing and right casing are barreled, left side casing right-hand member passes through ring flange bolted connection with right casing left end, left side casing left end fixedly connected with intake pipe, right side casing right-hand member fixedly connected with outlet duct, left side casing and right casing internally mounted have filtering mechanism. The utility model has the advantages that: the filter effect is better, in time knows the information of changing the filter core.

Description

Mining diesel engine tail gas particulate filter

Technical Field

The utility model relates to the technical field of tail gas purification, in particular to a mining diesel engine tail gas particulate filter.

Background

Many machines on a mine place adopt diesel engines to provide power and operate at high load and high rotation speed for a long time, so nitrogen oxides generated in tail gas of the diesel engines are increased, especially when a fuel system of a large-scale mining diesel engine fails, the diesel engines are not completely combusted, soot particles in the tail gas are increased, and the like, so that serious environmental pollution is generated, most toxic and harmful particles and pollutants in the discharged tail gas can be reduced and filtered by a diesel engine tail gas particle filter, the national environmental protection tail gas emission standard is reached, the filtering effect of the existing diesel engine tail gas particle filter is poor, and the information of replacing a filter element cannot be timely obtained.

Disclosure of Invention

The utility model aims to solve the technical problem and provide the mining diesel engine tail gas particulate filter which has a good filtering effect and timely acquires the information of replacing the filter element.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a mining diesel engine tail gas particulate filter, includes left casing, right casing, left side casing and right casing are barreled, left side casing right-hand member passes through ring flange bolted connection with right casing left end, left side casing left end fixedly connected with intake pipe, right side casing right-hand member fixedly connected with outlet duct, left side casing and right casing internally mounted have filter mechanism, filter mechanism includes fixing base one, fixing base two, fixing base one is installed at left side casing right side inner wall, install the filter screen layer on the fixing base one, fixing base two is installed at right side casing right side inner wall, install active carbon layer one on the fixing base two, active carbon layer two is barreled to right side inner wall, and the opening trades mutually with the outlet duct and link up.

Further, a porous vent pipe is arranged on the inner wall of the left end of the left shell, the porous vent pipe is communicated with the air inlet pipe, and a plurality of groups of equidistant vent holes are formed in the surface of the porous vent pipe.

Further, the right end of the left shell is provided with a first flange, the left end of the right shell is provided with a second flange, the first flange is connected with the second flange through bolts, and a sealing gasket is arranged between the first flange and the second flange.

Further, a first pressure sensor is installed on the inner wall of the left shell, the first pressure sensor is located on the left side of the filter screen layer, a second pressure sensor is installed on the inner wall of the right shell, the second pressure sensor is located on the left side of the active carbon layer, and corresponding alarms are arranged on the outer sides of the first pressure sensor and the second pressure sensor.

Further, a temporary air outlet pipe communicated to the inner wall of the shell is arranged at the lower end of the left shell, and a control switch is arranged at the free end of the temporary air outlet pipe.

Compared with the prior art, the utility model has the advantages that: the tail gas enters the porous vent pipe from the air inlet pipe, and uniformly enters the left shell through the vent hole, so that the tail gas is better filtered by the filter screen layer, and then passes through the two active carbon layers after passing through the filter screen layer, the active carbon has stronger adsorptivity, smaller carbon-containing particles in the tail gas can be adsorbed, and finally the tail gas is discharged through the air outlet pipe, and the carbon-containing particles in the tail gas are adsorbed through layered filtration, so that the filtering effect is improved, the particulate matter content of the tail gas emission is effectively reduced, and the quality of the environment is improved; the left shell and the right shell are respectively provided with a pressure sensor for detecting the air pressure in the respective shells, when the air pressure exceeds a specified value, the pressure sensors give an alarm through an alarm, at the moment, a temporary air outlet pipe switch is opened to release tail gas, and a flange plate is opened to replace a filter element in time.

Drawings

Fig. 1 is a cross-sectional structural view of the present utility model.

Fig. 2 is a main structural view of the present utility model.

As shown in the figure: 1 left shell, 2 right shell, 3 flange, 301 flange, 302 flange, 4 intake pipe, 5 outlet duct, 6 filter mechanism, 601 fixing base, 602 fixing base two, 603 filter screen layer, 604 active carbon layer two, 605 active carbon layer two, 7 porous pipe, 701 ventilation hole, 8 sealing pad, 9 pressure sensor one, 10 pressure sensor two, 11 temporary outlet duct, 12 control switch.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a mining diesel engine exhaust particulate filter includes a left casing 1, a right casing 2, and its characterized in that: the utility model discloses a filter device, including left casing 1, right casing 2, flange 3, left side casing 1, right side casing 2 are the tubbiness, left side casing 1 right-hand member and right casing 2 left end pass through flange 3 bolted connection, 1 left end fixedly connected with intake pipe 4 of left side casing, right side casing right-hand member fixedly connected with outlet duct 5, 1 and 2 internally mounted of right side casing have filter device 6.

Referring to fig. 1, a porous vent pipe 7 is installed on the inner wall of the left end of the left casing 1, the porous vent pipe 7 is communicated with the air inlet pipe 4, a plurality of groups of equidistant vent holes 701 are formed in the surface of the porous vent pipe, and tail gas uniformly enters the left casing through the vent holes 701, so that the filtering effect is improved.

Referring to fig. 1, a first flange 301 is disposed at the right end of the left casing 1, a second flange 302 is disposed at the left end of the right casing, the first flange 301 and the second flange 302 are connected through bolts, and a sealing gasket 8 is disposed between the first flange and the second flange, and the sealing gasket 8 prevents tail gas from leaking from the casing.

Referring to fig. 1, the filtering mechanism 6 includes a first fixing seat 601, a second fixing seat 602, the first fixing seat 601 is mounted on the right inner wall of the left casing 1, a filter screen layer 603 is mounted on the first fixing seat 601, the second fixing seat 602 is mounted on the right inner wall of the right casing 2, a first activated carbon layer 604 is mounted on the second fixing seat 602, a second activated carbon layer 605 is mounted on the right inner wall of the right casing 2, the second activated carbon layer 605 is barrel-shaped, an opening is communicated with the air outlet pipe 5, carbon-containing particles in tail gas are adsorbed through multilayer layered filtration, the filtering effect is improved, the particulate matter content of tail gas emission is effectively reduced, and the quality of the environment is improved.

With reference to fig. 1, the first pressure sensor 9 is installed on the inner wall of the left casing 1, the first pressure sensor 9 is located on the left side of the filter screen layer 603, the second pressure sensor 10 is installed on the inner wall of the right casing 2, the second pressure sensor 10 is located on the left side of the first activated carbon layer 604, the first pressure sensor 9 and the second pressure sensor 10 are provided with corresponding alarms on the outer side of the casing, the pressure in the casing is monitored through the pressure sensors, and after exceeding the specified pressure, workers are reminded of timely treatment through the alarms, so that the working efficiency is improved.

Referring to fig. 1, a temporary air outlet pipe 11 communicated to the inner wall of the casing is arranged at the lower end of the left casing 1, a control switch 12 is arranged at the free end of the temporary air outlet pipe 11, and residual tail gas is timely discharged when the casing needs to be opened.

In the concrete implementation of the utility model, the tail gas enters the porous vent pipe 7 from the air inlet pipe 4, the tail gas uniformly enters the left shell through the vent holes 701, the tail gas is better filtered by the filter screen layer 603 to remove larger particles, the tail gas passes through the filter screen layer 603 and then passes through two active carbon layers, the active carbon adsorptivity is stronger, smaller carbon-containing particles in the tail gas can be adsorbed, and finally the tail gas is discharged through the air outlet pipe 5, and the carbon-containing particles in the tail gas are adsorbed through layered filtration, so that the filtering effect is improved, the content of particles discharged by the tail gas is effectively reduced, and the quality of the environment is improved; the left shell and the right shell are respectively provided with a pressure sensor for detecting the air pressure in the respective shells, when the air pressure exceeds a specified value, the pressure sensors give an alarm through an alarm, at the moment, a temporary air outlet pipe switch is opened to release tail gas, and a flange plate is opened to replace a filter element in time.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a mining diesel engine tail gas particulate filter, includes left casing (1), right casing (2), its characterized in that: left side casing (1) and right casing (2) are barreled, left side casing (1) right-hand member and right casing (2) left end pass through ring flange (3) bolted connection, left side casing (1) left end fixedly connected with intake pipe (4), right side casing right-hand member fixedly connected with outlet duct (5), left side casing (1) and right casing (2) internally mounted have filtering mechanism (6), filtering mechanism (6) include fixing base one (601), fixing base two (602), fixing base one (601) are installed at left side casing (1) right side inner wall, install filter screen layer (603) on fixing base one (601), fixing base two (602) are installed at right side casing (2) right side inner wall, install active carbon layer one (604) on fixing base two (602), active carbon layer two (605) are barreled, and opening and outlet duct (5) change mutually and link up.

2. A mining diesel exhaust particulate filter according to claim 1, wherein: the inner wall of the left end of the left shell (1) is provided with a porous vent pipe (7), the pipeline of the porous vent pipe (7) is communicated with the pipeline of the air inlet pipe (4), and the surface of the porous vent pipe is provided with a plurality of groups of equidistant vent holes (701).

3. A mining diesel exhaust particulate filter according to claim 1, wherein: the left end of the left shell (1) is provided with a first flange plate (301), the left end of the right shell is provided with a second flange plate (302), the first flange plate (301) and the second flange plate (302) are connected through bolts, and a sealing gasket (8) is arranged between the first flange plate and the second flange plate.

4. A mining diesel exhaust particulate filter according to claim 1, wherein: the pressure sensor I (9) is installed to left side casing (1) inner wall, pressure sensor I (9) are located filter screen layer (603) left side, pressure sensor II (10) are installed to right side casing (2) inner wall, pressure sensor II (10) are located active carbon layer I (604) left side, pressure sensor I (9), pressure sensor II (10) all have corresponding alarm in the casing outside.

5. A mining diesel exhaust particulate filter according to claim 1, wherein: the lower end of the left shell (1) is provided with a temporary air outlet pipe (11) communicated to the inner wall of the shell, and the free end of the temporary air outlet pipe (11) is provided with a control switch (12).