CN210564728U

CN210564728U - Forklift truck

Info

Publication number: CN210564728U
Application number: CN201920940148.1U
Authority: CN
Inventors: 杨二斌; 贾刚; 翟惠建
Original assignee: Shenhua Rail and Freight Wagons Transport Co Ltd
Current assignee: Shenhua Railway Equipment Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-19
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a fork truck, diesel engine exhaust purifier include casing, intake pipe, blast pipe and DPF filter core. The shell is respectively communicated with the air inlet pipe and the exhaust pipe, and the air inlet pipe is used for being communicated with a tail gas discharge port of the diesel engine. The DPF filter element is arranged in the shell. Foretell diesel engine exhaust gas cleaner, DPF Filter core is high temperature resistant corrosion-resistant, long service life, overall structure, installation and maintenance are simple, through DPF (diesel particulate Filter) Filter core to carbon smoke granule entrapment in the wall or on the wall, the tail gas flows into the blast pipe by the wall flow face and outwards discharges through the blast pipe after purifying, thereby accomplish the purification effect to black cigarette in the tail gas, the purification efficiency of charcoal cigarette particulate matter can reach 95%, can improve the purification rate of charcoal cigarette particulate matter.

Description

Forklift truck

Technical Field

The utility model relates to an exhaust purifier especially relates to a fork truck.

Background

According to detection, the exhaust gas of a diesel engine contains hundreds of different compounds such as carbon monoxide, hydrocarbons, nitrogen oxides, sulfur dioxide, smoke particles (some heavy metal compounds, lead compounds, black smoke and oil mist), odor (formaldehyde) and the like. When the diesel engine is poor in working condition and oil quality, the contents of carbon smoke particles and harmful gases in tail gas are higher, the pollution of air in a working place is serious, and the harm to the health of operators is serious due to the influence of factors such as limited working space and poor ventilation.

The tail gas of traditional fork truck directly discharges to the environment, perhaps discharges to the environment after adopting POC (Particulate oxidation catalyst) technology to handle, adopts POC technology to purify and handles, can reduce the PM and discharge, and the purification efficiency 50% of soot Particulate matter does not have the risk of jam, however, requires diesel engine to use low sulfur fuel, and the purification rate of soot Particulate matter is lower.

Disclosure of Invention

Based on this, it is necessary to overcome the defects of the prior art and provide a forklift truck which can improve the purification rate of soot particles.

The technical scheme is as follows: a forklift comprises a diesel engine tail gas purifier, wherein the diesel engine tail gas purifier comprises a shell, an air inlet pipe, an exhaust pipe and a DPF filter element; the shell is respectively communicated with the air inlet pipe and the exhaust pipe, and the air inlet pipe is used for being communicated with a tail gas discharge port of a diesel engine; the DPF filter element is arranged in the shell; the forklift further comprises a diesel engine, and the air inlet pipe is communicated with a tail gas discharge port of the diesel engine.

Foretell fork truck, DPF Filter core is high temperature resistant corrosion-resistant, long service life, overall structure, installation and maintenance are simple, through DPF (diesel particulate Filter) Filter core on carbon smoke granule entrapment in the wall or the wall, the tail gas flows into the blast pipe by the wall flow face and outwards discharges through the blast pipe after the purification to accomplish the purification effect to black cigarette in the tail gas, the purification efficiency of charcoal cigarette particulate matter can reach 95%, can improve the purification rate of charcoal cigarette particulate matter.

In one embodiment, the forklift further comprises a forklift body, and the diesel engine tail gas purifier is arranged at the tail of the forklift body.

In one embodiment, the housing is vertically erected on the top surface of the tail part of the vehicle body, and the exhaust pipe is positioned above the housing.

In one embodiment, the vehicle body comprises a counterweight, the counterweight is provided with a cavity, the air inlet pipe is located in the cavity, one end of the air inlet pipe penetrates through the counterweight and then is communicated with the shell, and the other end of the air inlet pipe is communicated with a tail gas discharge port of the diesel engine.

In one embodiment, the diesel engine exhaust purifier further comprises a DOC purifying unit, and an air inlet of the DOC purifying unit is connected with the exhaust pipe.

In one embodiment, the DPF filter element is a DPF ceramic filter element.

In one embodiment, the DPF filter element is a cordierite ceramic filter element.

In one embodiment, the diesel engine exhaust purifier further comprises a flexible connection pipe, and the air inlet pipe is communicated with the exhaust discharge port of the diesel engine through the flexible connection pipe.

In one embodiment, the diesel engine exhaust purifier further comprises a mounting base, the shell is connected with the mounting base, the air inlet pipe penetrates through the mounting base and extends into the shell, and the mounting base is used for being mounted on a forklift body.

In one embodiment, the diesel engine exhaust purifier further comprises a heat preservation and insulation cover, and the heat preservation and insulation cover is sleeved outside the shell.

Drawings

Fig. 1 is a schematic structural diagram of an exhaust purifier of a diesel engine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an exhaust purifier of a diesel engine according to another embodiment of the present invention;

fig. 3 is a schematic structural view of a forklift according to an embodiment of the present invention.

Reference numerals:

10. diesel engine exhaust purifier, 11, casing, 12, intake pipe, 13, blast pipe, 14, DPF filter core, 15, DOC purification unit, 16, hose connection, 17, installation base, 20, diesel engine, 30, automobile body, 31, counter weight, 311, cavity.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

In one embodiment, referring to fig. 1 and 3, a diesel engine exhaust purifier 10 includes a housing 11, an intake pipe 12, an exhaust pipe 13, and a DPF filter element 14. The shell 11 is respectively communicated with the air inlet pipe 12 and the exhaust pipe 13, and the air inlet pipe 12 is used for being communicated with a tail gas discharge port of a diesel engine 20. The DPF filter element 14 is disposed in the housing 11.

The diesel engine exhaust purifier 10 has the advantages that the DPF Filter element 14 is high-temperature resistant and corrosion resistant, the service life is long, the overall structure and the installation and maintenance are simple, carbon smoke particles are trapped in the wall or on the wall surface through the DPF (diesel particulate Filter) Filter element, the purified exhaust flows into the exhaust pipe 13 from the wall flow surface and is discharged outwards through the exhaust pipe 13, the purification effect on the black smoke in the exhaust is achieved, the purification efficiency of the carbon smoke particles can reach 95%, and the purification rate of the carbon smoke particles can be improved.

Further, referring to fig. 2, the diesel engine exhaust purifier 10 further includes a DOC purification unit 15. The air inlet of the DOC purification unit 15 is connected with the exhaust pipe 13. In this way, the DOC (Oxidation Catalyst) purification unit further completes the purification effect on the harmful gases (HC, CO) through the catalytic Oxidation reaction, and simultaneously effectively oxidizes and removes the soluble organic matters (SOF) in the black smoke. After the soluble organic matters (SOF) in the black smoke (PM) are oxidized, the concentration of harmful gases (HC and CO) can be reduced again and then the harmful gases are discharged to the external environment, thereby reducing the environmental pollution. Specifically, the precious metal oxidation catalyst of the DOC purification unit 15 is a mature oxidation catalyst mainly composed of platinum, for example.

In one embodiment, the DPF cartridge 14 is a DPF ceramic cartridge. More specifically, the DPF filter element 14 employs a cordierite ceramic filter element.

In one embodiment, referring again to fig. 1 and 3, the diesel engine exhaust purifier 10 further includes a hose 16. The air inlet pipe 12 is communicated with an exhaust gas discharge port of the diesel engine 20 through the flexible connecting pipe 16. Therefore, the flexible connecting pipe 16 is more convenient for the connection of the air inlet pipe 12 and the tail gas discharge port of the diesel engine 20, and the operation is convenient.

In one embodiment, referring to fig. 1 and 2, the diesel engine exhaust purifier 10 further comprises a mounting base 17. The shell 11 is connected with the installation base 17, the air inlet pipe 12 penetrates through the installation base 17 and extends into the shell 11, and the installation base 17 is used for being installed on a forklift body 30. Thus, the mounting base 17 can be conveniently mounted and fixed on the forklift body 30, and the fixing effect is good.

In one embodiment, the diesel engine exhaust purifier 10 further includes a thermal insulation cover, and the thermal insulation cover is sleeved outside the housing 11. So, play the thermal-insulated effect of heat preservation on the one hand, on the other hand, the security improves, and gives sound insulation effect is better.

In one embodiment, referring to fig. 2 and 3, a forklift includes the diesel engine exhaust purifier 10 according to any one of the above embodiments, and further includes a diesel engine 20, and the intake pipe 12 is communicated with an exhaust outlet of the diesel engine 20.

Foretell fork truck owing to include diesel engine exhaust purifier 10, its technical effect by diesel engine exhaust purifier 10 bring, beneficial effect with diesel engine exhaust purifier 10 the same, do not describe herein repeatedly.

Further, referring to fig. 3, the forklift further includes a body 30. The diesel engine exhaust purifier 10 is disposed at the tail of the vehicle body 30.

Further, referring to fig. 3, the housing 11 is vertically erected on the top surface of the tail portion of the vehicle body 30, and the exhaust pipe 13 is located above the housing 11. In this way, the diesel engine exhaust purifier 10 is arranged according to the upward flow direction of the hot gas, and the exhaust in the diesel engine exhaust purifier 10 is discharged outwards.

Further, referring to fig. 3, the vehicle body 30 includes a counterweight 31. The counterweight 31 is provided with a cavity 311, the air inlet pipe 12 is positioned in the cavity 311, one end of the air inlet pipe 12 penetrates through the counterweight 31 and then is communicated with the shell 11, and the other end of the air inlet pipe 12 is communicated with a tail gas discharge port of the diesel engine 20. In this way, the intake pipe 12 and the flexible connection pipe 16 can be disposed in the chamber 311, and the pipes can be connected to each other in the chamber 311.

After the fork truck is provided with the 20 tail gas purification device of the diesel engine, the operation environment in the closed space can be effectively improved, and the purification rates of soot Particles (PM) and the like are shown in the following table:

composition of tail gas	Purification rate
		Soot Particulate Matter (PM)	More than 95 percent
Carbon monoxide (CO)	70％
		Hydrocarbon (HC)	70％
Polycyclic aromatic hydrocarbons	50％
		Acetaldehyde	70％

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A forklift is characterized by comprising a diesel engine tail gas purifier, wherein the diesel engine tail gas purifier comprises a shell, an air inlet pipe, an exhaust pipe and a DPF filter element; the shell is respectively communicated with the air inlet pipe and the exhaust pipe, and the air inlet pipe is used for being communicated with a tail gas discharge port of a diesel engine; the DPF filter element is arranged in the shell; the forklift further comprises a diesel engine, and the air inlet pipe is communicated with a tail gas discharge port of the diesel engine; the diesel engine tail-gas clean-up ware still includes DOC purification unit, DOC purification unit's air inlet with the blast pipe links to each other.

2. The lift truck of claim 1, further comprising a truck body, said diesel engine exhaust cleaner being disposed at a rear portion of said truck body.

3. The lift truck of claim 2, wherein the housing is vertically erected on a top surface of a tail portion of the truck body.

4. The lift truck of claim 3, wherein the exhaust duct is located above the housing.

5. The forklift as recited in claim 4, wherein the body includes a counterweight, the counterweight is provided with a chamber, the intake duct is located in the chamber, one end of the intake duct is communicated with the housing after penetrating through the counterweight, and the other end of the intake duct is communicated with a tail gas discharge port of the diesel engine.

6. The lift truck of claim 1, wherein the DPF filter element is a DPF ceramic filter element.

7. The lift truck of claim 6, wherein the DPF filter element is a cordierite ceramic filter element.

8. The forklift of claim 1, wherein the diesel engine exhaust cleaner further comprises a hose connection pipe through which the intake pipe is communicated with an exhaust discharge port of the diesel engine.

9. The forklift of claim 1, wherein the diesel engine exhaust purifier further comprises a mounting base, the housing is connected to the mounting base, the intake pipe extends into the housing through the mounting base, and the mounting base is configured to be mounted on a body of the forklift.

10. The lift truck of any one of claims 5 to 9, wherein the diesel engine exhaust purifier further comprises a heat insulating shield that is sleeved outside the housing.