CN218027415U

CN218027415U - Negative pressure dust collection wind path device

Info

Publication number: CN218027415U
Application number: CN202221714202.9U
Authority: CN
Inventors: 李宗强; 朱堃; 李文然; 徐铁城
Original assignee: Supply And Marketing Environment Technology Co ltd
Current assignee: Supply And Marketing Environment Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-13
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a negative pressure dust collection wind path device, including the dust collection box, the one end of dust collection box sets up and pushes away the material subsystem, and the upper portion of dust collection box sets up spiral case dust removal subsystem, and spiral case dust removal subsystem is linked together through dust exhaust mouth and dust collection box inside, and the dust exhaust mouth sets up lock wind discharge apparatus, and the air outlet of spiral case dust removal subsystem links to each other with the air intake of fan subsystem, and the air intake of spiral case dust removal subsystem passes through the pipeline and links to each other with cleaning device, and the air outlet of fan subsystem links to each other with the clear dirt pipeline of injection. The negative pressure dust collecting air path device is arranged on a sanitation vehicle, the fan subsystem provides negative pressure power to suck dust on a road into the volute dust collecting subsystem for separation, the dust falls into a dust collecting box of the sweeper, the dust is displaced through the material pushing subsystem, and the dust collecting box is fully filled.

Description

Negative pressure dust collection wind path device

Technical Field

The utility model belongs to the technical field of sanitation vehicle and sanitation equipment, concretely relates to negative pressure dust collection wind path device.

Background

Sanitation motor sweeper is that a collection road surface cleans, rubbish is retrieved and transports novel high-efficient equipment that cleans as an organic whole, mostly is the water spray then utilizes the brush to wash the road, recycles the fan and inhales rubbish in the carriage, adopts the carriage as dust collection box and deposit room more, compromises gravity dust fall and refuse storage, causes sanitation motor sweeper automobile body huge, and effective volume utilization ratio is low. The sanitation cleans the carriage and is the negative pressure state at work, and the quality requirement to the material of carriage, processing is higher, causes the promotion of automobile body quality, has increased manufacturing cost promptly, influences the operation cost in the daily work again. The environmental sanitation sweeper mostly adopts a centrifugal fan as a dust collection air source, the fan accelerates air by utilizing an impeller rotating at a high speed, then decelerates and changes the flow direction, so that kinetic energy is converted into potential energy (pressure), and the air volume of the fan is changed along with the change of the pressure; the impeller is easy to dewfall and stick dust, the dynamic balance is damaged, and the unit energy consumption of the fan is high.

Along with the development of new urban and rural sanitation, the improvement of human settlements environment improves the operating efficiency, the operation effect of sanitation motor sweeper and is becoming more and more important, how to select wind path system, dust arrester installation, and the realization motor sweeper environmental protection, efficient operation are the problem that current urgent needs to solve.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model provides a negative pressure dust collection wind path device, including the dust collection box, the one end setting of dust collection box pushes away the material subsystem, and the upper portion of dust collection box sets up spiral case dust removal subsystem, and spiral case dust removal subsystem is linked together through dust exhaust mouth and dust collection box inside, and the dust exhaust mouth sets up lock wind discharge apparatus, and the air outlet of spiral case dust removal subsystem links to each other with the air intake of fan subsystem, and the air intake of spiral case dust removal subsystem passes through the pipeline and links to each other with cleaning device, and the air outlet of fan subsystem links to each other with the clear dirt pipeline of injection.

As a further improvement of the utility model, the push rod of the pushing subsystem passes through the side wall of the dust collection box, one end of the push rod is connected with the pushing device, and the other end is connected with the pushing plate arranged inside the dust collection box.

As the utility model discloses improve further, the spiral case dust removal subsystem includes the big spiral case of eccentric, and the sub-unit connection ash bucket of the big spiral case of eccentric, the little mouth in lower part of ash bucket hold for the dust exhaust mouth, and the dust exhaust mouth sets up lock wind discharge apparatus, and the upper portion of the big spiral case of eccentric sets up the air outlet, and the air outlet links to each other with the air intake of fan subsystem, and the big mouth of ash bucket holds and sets up the air intake, and the air intake of ash bucket passes through the pipeline and links to each other with cleaning device.

As the utility model discloses further improve, lock wind discharge apparatus adopts the weight formula lock wind flap valve.

As the utility model discloses further improve, the fan subsystem includes the fan, and the fan passes through driving belt and links to each other with driving system, and the air intake of fan passes through the intake stack and links to each other with the air outlet of spiral case dust removal subsystem, and the air outlet of fan is connected with the injection dust removal pipeline through the air-out pipeline.

As the utility model discloses improve further, the fan is the roots fan, and the air intake of roots fan passes through the steel intake stack and the flexible joint that matches links to each other with the air outlet of spiral case dust removal subsystem, and roots fan's air outlet is connected with the injection dust removal pipeline through flexible air-out pipeline and the flexible joint that matches.

Compared with the prior art, the utility model provides a pair of negative pressure wind path device that gathers dust has following advantage:

1. the volute dust removal subsystem with small volume and high dust collection efficiency is adopted, the purposes of reducing the air suction volume and increasing the negative pressure are achieved, and the cleaning and dirt absorption effects of the vehicle are ensured.

2. The blower subsystem adopts a Roots blower, the air quantity is constant, the high negative pressure operation of the system is maintained, the equipment runs stably, and the failure rate is low.

3. The negative pressure dust collection air path device is adopted to replace a negative pressure dust collection carriage, so that the processing quality and the processing precision of the dust collection carriage are reduced, and the manufacturing cost and the operation cost are reduced.

Drawings

Fig. 1 is a schematic structural view of a negative pressure dust collecting air path device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a negative pressure dust collecting air path device according to an embodiment of the present invention, working on a sanitation vehicle.

In the figure:

1: a fan subsystem; 11: a drive belt; 12: an air inlet pipeline; 13: an air outlet pipeline; 2: a volute dust removal subsystem; 21: a volute dust removal body; 22: a heavy hammer type air-locking flap valve; 23: a dust removal air inlet pipeline; 3: a material pushing subsystem.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "through" and "inner" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

The invention is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1, the utility model provides a negative pressure dust collection air path device. The negative pressure dust collection air path device comprises a dust collection box, wherein a material pushing subsystem 3 is arranged at one end, opposite to the tail part of a vehicle, of the dust collection box, a push rod of the material pushing subsystem 3 penetrates through the side wall of the dust collection box, one end of the push rod is connected with a hydraulic pushing device, the other end of the push rod is connected with a material pushing plate arranged inside the dust collection box, and collected dust is pushed to the rear part of the dust collection box through the material pushing plate so as to fill the dust collection box with the dust. The upper part of the dust collection box is provided with a volute dust removal subsystem 2, the volute dust removal subsystem 2 comprises a volute dust removal body 21, the volute dust removal body 21 is specifically an eccentric large volute, the lower part of the eccentric large volute is connected with an ash bucket, the small opening end of the lower part of the ash bucket is provided with a dust discharge port, the dust discharge port is provided with a hammer type air locking flap valve 22, and the hammer type air locking flap valve 22 is adopted, so that the dust can be automatically discharged, sealed and locked according to the weight of dust in the ash bucket. The upper part of the eccentric big volute is provided with an air outlet, the big opening end of the ash bucket is provided with an air inlet, and the air inlet on the ash bucket is connected with a cleaning device through a dust removal air inlet pipeline 23. This negative pressure wind path device that gathers dust still includes fan subsystem 1, and fan subsystem 1 includes roots's fan, and roots's fan passes through drive belt 11 and links to each other with the driving system who sets up on the vehicle, and roots's fan can obtain invariable amount of wind, and higher wind pressure maintains the high negative pressure operation of system. The air inlet of the Roots blower is connected with the air outlet of the eccentric big volute through a steel air inlet pipeline 12 and a matched flexible joint, and the air outlet of the Roots blower is connected with the jet dust cleaning pipeline through a flexible air outlet pipeline 13 and a matched flexible joint. The steel air inlet pipeline 12 and the flexible air outlet pipeline 13 can be cut and connected according to actual length.

The working principle of the negative pressure dust collection air path device is as follows:

as shown in fig. 2, the negative pressure dust collection air path device of the present invention is assembled according to the above description, and is placed on a sanitation vehicle. A power system on a vehicle is started, a Roots blower is driven to work through a transmission belt 11, air is sent to an air outlet of the Roots blower to an air injection dust cleaning pipeline, dust on a road surface is blown up through the air injection dust cleaning pipeline, the blown dust sequentially passes through a cleaning device, a dust removal air inlet pipeline 23 and the upper portion of a dust hopper, then enters an eccentric large volute, and falls along with the continuous increase of self-gathered weight after the dust is eccentrically accumulated in the eccentric large volute, so that the gathered dust falls into the dust hopper from the eccentric large volute, the dust is separated from the air, then self-unloading, sealing and air locking are carried out according to the continuous gathered weight of the dust in the dust hopper and a weight type air locking flap valve 22, finally the dust enters a dust collection box, and the collected dust is pushed to the rear portion of the dust collection box through a material pushing plate of a material pushing subsystem 3, so that the dust collection box is filled with the dust. The air accompanied by the blown dust is discharged from the air outlet of the eccentric big volute and then is sent into the air inlet of the Roots blower through the air inlet pipeline, so that the negative pressure can be continuously generated, and the negative pressure dust collection and dust collection effects of the volute dust collection subsystem 2 are ensured.

And (4) conclusion:

the utility model provides a pair of negative pressure wind path device that gathers dust has following advantage:

1. the volute dust removal subsystem with small volume and high dust collection efficiency is adopted, the purposes of reducing air suction volume and increasing negative pressure are achieved, and the cleaning and dirt suction effects of the vehicle are guaranteed.

3. The negative pressure dust collecting air path device is adopted to replace a negative pressure dust collecting carriage, so that the processing quality and the processing precision of the dust collecting carriage are reduced, and the manufacturing cost and the operation cost are reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a negative pressure dust collection wind path device, includes the dust collection box, its characterized in that, the one end of dust collection box sets up pushes away the material subsystem, the upper portion of dust collection box sets up spiral case dust removal subsystem, spiral case dust removal subsystem through the dust exhaust mouth with the dust collection box is inside to be linked together, the dust exhaust mouth sets up lock wind discharge apparatus, the air outlet of spiral case dust removal subsystem links to each other with the air intake of fan subsystem, the air intake of spiral case dust removal subsystem passes through the pipeline and links to each other with cleaning device, the air outlet of fan subsystem links to each other with the injection dust removal pipeline.

2. The negative pressure dust collecting air path device according to claim 1, wherein a push rod of the pushing subsystem penetrates through a side wall of the dust box, one end of the push rod is connected with the pushing device, and the other end of the push rod is connected with a pushing plate arranged inside the dust box.

3. The negative-pressure dust collecting air path device according to claim 1, wherein the volute dust removing subsystem comprises an eccentric large volute, a dust hopper is connected to the lower portion of the eccentric large volute, a small opening end of the lower portion of the dust hopper is a dust discharging opening, an air locking and discharging device is arranged at the dust discharging opening, an air outlet is arranged at the upper portion of the eccentric large volute, the air outlet is connected with an air inlet of the fan subsystem, an air inlet is arranged at a large opening end of the dust hopper, and the air inlet of the dust hopper is connected with a cleaning device through a pipeline.

4. The negative pressure dust collecting air path device according to claim 1, wherein the air-lock discharge device is a hammer-type air-lock flap valve.

5. The negative pressure dust collection air path device according to claim 1, wherein the fan subsystem comprises a fan, the fan is connected to the power system through a transmission belt, an air inlet of the fan is connected to an air outlet of the volute dust removal subsystem through an air inlet pipeline, and an air outlet of the fan is connected to the dust ejection pipeline through an air outlet pipeline.

6. The negative pressure dust collecting air path apparatus as claimed in claim 5, wherein said blower is a Roots blower, an air inlet of said Roots blower is connected to an air outlet of said volute dust removal subsystem via a steel air inlet line and a mating flexible joint, and an air outlet of said Roots blower is connected to said spray dust removal line via a flexible air outlet line and a mating flexible joint.