CN217528624U - Soil detection grinds dust disposal system - Google Patents

Abstract

The utility model belongs to the technical field of laboratory dust treatment, in particular to a soil detection grinding dust treatment system, which comprises a floor type fume hood body, a dust removal device, a gas emission device and a desktop dust cleaning device, wherein the floor type fume hood body is provided with the dust removal device and the gas emission device, and a workbench is arranged in the middle of the floor type fume hood body; the dust removal device is provided with an air suction pump, a dust removal cloth bag device, an air suction pipeline and a power switch, or a water spraying device is additionally arranged on the first exhaust pipeline, or the dust removal device is provided with a water filtering device; the tabletop dust cleaning device comprises an air high-pressure gun and an oil-free air pump, or comprises a high-pressure gas horizontal pipe and an oil-free air pump. The utility model discloses concentrate the dust that produces grinding and collect and deal with, reduce the pollution of laboratory soil detection grinding production's dust to ambient air, protection staff's is healthy, avoids the cross contamination that soil detection system appearance in-process probably produced.

Description

Soil detection grinds dust disposal system

Technical Field

The utility model belongs to the technical field of laboratory dust disposal, concretely relates to soil detection grinds dust disposal system.

Background

In industrial production and laboratories, dust is generated due to different reasons, the characteristics of the dust are different, some of the dust is mainly particulate matter, some of the dust is mainly fine powder, and some of the dust is also mixed with other pollutants or toxic gases, so that dust removal devices or systems with different principles and structures exist in the prior art. For example, patent document CN215388459U discloses a dust treatment system for a polishing station, which includes an operation chamber for polishing a workpiece, an air outlet is disposed at an upper end of the operation chamber, the air outlet is connected with a fan device, a water storage tank is connected to a lower end of the operation chamber, an exhaust mechanism for communicating the operation chamber with the water storage tank is disposed at a lower end of the operation chamber, and dust in the operation chamber enters the water storage tank through the exhaust mechanism under the action of air flow generated by the air outlet, so that the dust can be attached to a water body, thereby preventing the dust from continuously floating in a space and reducing dust pollution to the surrounding environment.

Patent document CN113457291a discloses a dust treatment device, which comprises a dust collection assembly and a dust filter assembly, wherein the dust collection assembly comprises a housing and a dust collection cover, a dust collection chamber is arranged in the dust collection assembly, the dust collection cover is reversely buckled in the dust collection chamber, and the dust collection cover comprises a fixing ring and a cover body arranged on the fixing ring.

Patent document CN215026974U discloses a panel grinds dust and retrieves solidification treatment device, grinding platform's bottom surface is equipped with the collection and fights, place panel on grinding platform during the grinding, start actuating mechanism work and drive impeller rotation, thereby make the inside negative pressure that produces of collection fill, during the grinding, the dust spilled through panel border gets into the filter bag through collecting the fill under the effect of air in, accomplish the collection work of dust, and the dust in the filter bag finally falls into the solidification portion, discharge again after advancing the extrusion solidification, so that the collection of dust is handled.

Patent document CN209997397U discloses a dust processing system, including air pump, intake pipe, blast pipe and dust collecting box, utilize the embodiment of the utility model provides a not only can effectively reduce working face dust concentration, can also unify the recovery to the dust, improve the dust rate of recovery.

Patent document CN210361747U discloses a wood working dust treatment system, including induced draft cover, fan and burning furnace, solved the problem that the dust with saw-dust is difficult to detach using ordinary dust pelletizing system, can better detach the saw-dust, prevent the saw-dust to the factory environment and the long-term harm of workers, optimize the working environment.

Patent document CN205495229U provides a dust disposal system in solid useless, the useless processing mill of danger, including immersible pump and water piping system, utilize the immersible pump to take out the water among the cistern to water piping system, then utilize the shower nozzle on the water piping system to form the spraying with water, the spraying sprays and can increase air humidity in the factory building, effectively catches the dust in the air, reduces the dust concentration of air in the factory building, improves the air circumstance in the factory building, thereby reduce the harm to the workman.

Patent document CN113798998a discloses a cleaning device and a polishing system for a polishing table, which includes a linear driving mechanism and a cleaning body mounted on the linear driving mechanism, the cleaning body has a cleaning portion capable of cleaning the polishing table, the linear driving mechanism is configured to drive the cleaning body to move toward the polishing table so that the cleaning portion contacts with the polishing table, so that the cleaning portion of the cleaning body contacts with the polishing table to clean polishing dust such as glass dust falling on the polishing table, thereby improving the cleanliness of the polishing table, ensuring smooth performance of polishing work, and reducing influence of the polishing dust on a member to be polished such as a glass substrate.

Use the particulate matter to be given first place to in the dust that laboratory soil detection ground the production, the dust that these particulate matters were given first place to is more serious to laboratory environmental pollution, among the prior art at present, to this kind of soil detection grind the dust processing that produces not enough specialties, leads to the particulate matter to clear up hardly. In view of the above problems, it is desirable to invent a soil detection grinding dust treatment system.

Disclosure of Invention

The utility model discloses an aim at concentrates the collection to the dust that grinds the production and deals with, reduces the pollution of laboratory soil detection grinding production's dust to ambient air, and protection staff's is healthy, avoids the soil to detect the cross contamination that system appearance in-process probably produced.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a soil detection grinds dust disposal system, includes the console mode fume hood body, dust collector, gas discharge device and desktop dust cleaning device, console mode fume hood body rear is provided with dust collector and gas discharge device, be equipped with the workstation in the middle of the console mode fume hood body, desktop dust cleaning device sets up on the workstation.

Preferably, a lifting door is arranged above a workbench in the middle of the floor type fume hood body, a split door is arranged below the workbench, and a standby power supply interface is arranged on the left side below the workbench and used for supplying power to instruments on the workbench; the door handles are arranged on the split doors and used for opening the lower half part of the floor type ventilation cabinet body so as to facilitate the viewing and maintenance of internal components; a first fixed shaft and a second fixed shaft are arranged at the rear upper part of the floor type fume hood body and are fixed on a shaft base, pulleys are arranged on the first fixed shaft and the second fixed shaft, steel wire ropes are arranged on the pulleys, one ends of the steel wire ropes are connected with a lifting door, and the other ends of the steel wire ropes are connected with a counterweight steel bar; the lifting door consists of a frame and transparent glass, and the left side and the right side of the lifting door are clamped on guide rails of a floor type fume hood body; a dust suction groove is formed in the rear side of the workbench, a suction hole is formed in the bottom of the dust suction groove, a suction channel is arranged below the suction hole, the left end of the suction channel is of a closed structure, and the right end of the suction channel is connected with a first suction pipeline; the rear panel of the floor type ventilation cabinet body is provided with ventilation holes.

Preferably, the dust removal device is provided with an air suction pump, a dust removal cloth bag device, a first air suction pipeline and a second air suction pipeline, an air suction pump power switch is arranged on the right side below the workbench and connected with the air suction pump through a first lead, one side of the air suction pump is connected with the dust removal cloth bag device through a second air suction pipeline, the dust removal cloth bag device is connected with an air suction channel of the dust suction groove through a first air suction pipeline, and the other side of the air suction pump is connected with a first exhaust pipeline; the dust removal cloth bag is internally provided with an openable door for replacing the dust removal cloth bag;

or, the first exhaust duct directly leads to the outside;

or a water spraying device is additionally arranged on the first exhaust pipeline, a water spraying device power switch is arranged on the right side below the workbench, a water pump is arranged on the water spraying device, the water pump is connected with the water spraying device power switch through a second wire, a water nozzle is arranged in the first exhaust pipeline of the water spraying device, the water nozzle is connected with a first water pipe, the first water pipe is connected with the water pump, the water pump is connected with a second water pipe, and the second water pipe is connected with a water storage tank; the tail end of the first exhaust pipeline is provided with a sewage backflow device, and a sewage pipe is connected below the sewage backflow device;

or, dust collector is equipped with water filter equipment, second exhaust pipe and exhaust fan, water filter equipment is equipped with the water rose box, water rose box one side is connected with the third pipeline of breathing in, water rose box opposite side with the second exhaust pipe is connected, the exhaust fan sets up the second exhaust pipe is terminal, the workstation below is provided with exhaust fan switch, the exhaust fan pass through the third wire with exhaust fan switch connects, water filter equipment is equipped with the maintenance door, the maintenance door is used for the clearance and trades the water usefulness.

Preferably, the desktop dust cleaning device comprises an air high-pressure gun, the air high-pressure gun is connected with an oil-free air pump arranged below a middle workbench of the floor type fume hood body through a first air supply pipeline, an oil-free air pump power switch is arranged on the right side below the workbench, the oil-free air pump is connected with the oil-free air pump power switch through a fourth conducting wire, and a first gas switch is arranged on the air high-pressure gun;

or, desktop dust cleaning device includes that high-pressure gas violently manages, high-pressure gas violently manages and fixes in workstation the place ahead, high-pressure gas violently manages and is equipped with a plurality of ventholes, the angle of giving vent to anger of venthole is for blowing to workstation desktop rear direction, the left end that high-pressure gas violently managed is enclosed construction, high-pressure gas violently manages the right-hand member through second air feed line connection second gas switch, second gas switch sets up the workstation below, second gas switch through third air feed line with the oil-free air pump of workstation below is connected, workstation below right side is provided with oil-free air pump switch, oil-free air pump through the fourth wire with oil-free air pump switch is connected.

The beneficial effects of the utility model reside in that:

(1) The utility model collects and disposes the dust generated by grinding in a centralized way, reduces the pollution of the dust generated by the soil detection and grinding in the laboratory to the ambient air, protects the health of workers, and avoids the cross contamination possibly generated in the soil detection and sample preparation process;

(2) The utility model discloses simple structure is fit for laboratory and mill research and development department door and uses, installation and convenient operation.

Drawings

Fig. 1 is a front view of a schematic structural diagram of the present invention in embodiment 1;

FIG. 2 is an enlarged view of a part of the air high pressure gun according to the schematic view of the present invention in example 1;

fig. 3 is a partially enlarged view of the standby power interface in the schematic diagram of the present invention according to embodiment 1;

fig. 4 is a right side view with a partial section of the structure diagram of the present invention in embodiment 1;

fig. 5 is a top view of the top surface structure of the floor-type ventilating cabinet of the present invention in embodiment 1;

fig. 6 is a partially enlarged view of the dust removing device in the schematic view of the present invention in embodiment 1;

fig. 7 is a left side view of the structure of the dust suction groove of the present invention in embodiment 1;

fig. 8 is a right side view of a schematic structural view of a middle suction groove of the present invention in embodiment 1;

fig. 9 is a schematic top view of a structure of a dust suction groove according to the present invention in embodiment 1;

fig. 10 is a front view of the structure of the present invention in embodiment 2;

fig. 11 is a right side view with a partial section of the structure diagram of the present invention in embodiment 2;

fig. 12 is a partially enlarged view of the water spray device in the schematic view of the present invention in embodiment 2;

fig. 13 is a front view of the structure of the present invention in embodiment 3;

FIG. 14 is a rear view of the middle/high pressure gas horizontal pipe of the present invention in example 3

Fig. 15 is a right side view with a partial section of the structure diagram of the present invention in embodiment 3;

fig. 16 is a right side view with a partial section of the structure diagram of the present invention in embodiment 4;

fig. 17 is a front view of the structure of the present invention in embodiment 5;

fig. 18 is a right side view with a partial section of a schematic structural view of the present invention in example 5;

fig. 19 is a partially enlarged view of the water filter device in the schematic view of the present invention in example 5;

fig. 20 is a front view of the structure of the present invention in embodiment 6;

fig. 21 is a right side view with a partial cross section of a schematic structural view of the present invention in embodiment 6;

in the figure, 1-floor type fume hood body, 2-dust removing device, 3-gas discharging device, 4-table dust cleaning device, 5-workbench, 6-lifting door, 7-split door, 8-standby power interface, 9-door handle, 10-first fixed shaft, 11-second fixed shaft, 12-shaft base, 13-pulley, 14-steel wire rope, 15-counterweight steel bar, 16-frame, 17-transparent glass, 18-guide rail, 19-dust suction groove, 20-suction hole, 21-suction channel, 22-first suction pipeline, 23-vent hole, 24-suction pump power switch, 25-first lead wire, 26-suction pump, 27-second suction pipeline, 28-dust removing bag distribution device, 29-a first exhaust duct, 30-an openable door, 31-a dust removal cloth bag, 32-an air high-pressure gun, 33-a first air supply duct, 34-an oil-free air pump, 35-a fourth lead, 36-a first air switch, 37-a water sprayer, 38-a water sprayer power switch, 39-a water pump, 40-a second lead, 41-a water spray head, 42-a first water pipe, 43-a second water pipe, 44-a water storage tank, 45-a sewage backflow device, 46-a sewage pipe, 47-a high-pressure air transverse pipe, 48-an air outlet, 49-a second air supply duct, 50-a second air switch, 51-a third air supply duct, 52-a water filtering device, 53-a second exhaust duct, and 54-an exhaust fan, 55-water filter tank, 56-third air suction pipeline, 57-exhaust fan power switch, 58-third lead, 59-maintenance door, 60-rear panel and 61-oilless air pump power switch.

Detailed Description

In order to enable a person skilled in the art to better understand the present invention, the present invention will now be further described with reference to the following description and the accompanying fig. 1-21.

Example 1:

as shown in fig. 1-9, a soil detection grinding dust treatment system comprises a floor type fume hood body 1, a dust removal device 2, a gas discharge device 3 and a desktop dust cleaning device 4, wherein the dust removal device 2 and the gas discharge device 3 are arranged behind the floor type fume hood body 1, a lifting door 6 is arranged above a workbench 5 in the middle of the floor type fume hood body 1, a split door 7 is arranged below the workbench 5, and a standby power supply interface 8 is arranged on the left side below the workbench 5 and used for supplying power to instruments on the workbench 5; the door handles 9 are arranged on the split doors 7 and used for opening the lower half part of the floor type fume hood body 1 so as to facilitate checking and maintaining of internal components; a first fixed shaft 10 and a second fixed shaft 11 are arranged at the rear upper part of the floor type fume hood body 1, the first fixed shaft 10 and the second fixed shaft 11 are fixed on a shaft base 12, pulleys 13 are arranged on the first fixed shaft 10 and the second fixed shaft 11, steel wire ropes 14 are arranged on the pulleys 13, one ends of the steel wire ropes 14 are connected with the lifting door 6, and the other ends of the steel wire ropes 14 are connected with counterweight steel bars 15; the lifting door 6 consists of a frame 16 and transparent glass 17, and the left side and the right side of the lifting door 6 are clamped on guide rails 18 of the floor type fume hood body 1; a dust suction groove 19 is formed in the rear side of the workbench 1, a suction hole 20 is formed in the bottom of the dust suction groove 19, a suction channel 21 is arranged below the suction hole 20, the left end of the suction channel 21 is of a closed structure, and the right end of the suction channel 21 is connected with a first suction pipe 22; the rear panel 60 of the floor-standing fume hood body 1 is provided with ventilation holes 23, visible through the transparent glass 17.

The dust removal device 2 is provided with an air suction pump 26, a dust removal cloth bag device 28, a first air suction pipeline 22 and a second air suction pipeline 27, the right side below the workbench 5 is provided with an air suction pump 26 power switch 24, the air suction pump power switch 24 is connected with the air suction pump 26 through a first lead 25, one side of the air suction pump 26 is connected with the dust removal cloth bag device 28 through the second air suction pipeline 27, the dust removal cloth bag device 28 is connected with an air suction channel 21 of the dust suction groove 19 through the first air suction pipeline 22, and the other side of the air suction pump 26 is connected with a first exhaust pipeline 29; the dust-removing cloth bag device 28 is provided with an openable door 30 for replacing a dust-removing cloth bag 31; the first exhaust duct 29 leads directly to the outside;

the desktop dust cleaning device 4 comprises an air high-pressure gun 32, the air high-pressure gun 32 is used for cleaning desktop dust, the air high-pressure gun 32 is connected with an oil-free air pump 34 arranged below a workbench 5 in the middle of the floor type fume hood body 1 through a first air supply pipeline 33, an oil-free air pump power switch 61 is arranged on the right side below the workbench 5, the oil-free air pump 34 is connected with the oil-free air pump power switch 61 through a fourth lead 35, and a first gas switch 36 is arranged on the air high-pressure gun 32; the dust containing particulate matter is cleaned by the air high pressure gun 32 and then mainly falls into the dust collection tank 19 to enter the subsequent treatment process.

Example 2:

as shown in fig. 10-12, the difference from embodiment 1 is that in embodiment 2, a water sprayer 37 is additionally arranged on the first exhaust duct 29, a water sprayer power switch 38 is arranged on the right side below the workbench 5, a water pump 39 is arranged on the water sprayer 37, the water pump is connected with the sprayer power switch 38 through a second wire 40, a water spray head 41 is arranged in the first exhaust duct 29 of the water sprayer 37, the water spray head 41 is connected with a first water pipe 42, the first water pipe 42 is connected with the water pump 39, the water pump 39 is connected with a second water pipe 43, and the second water pipe 43 is connected with a water storage tank 44; a sewage backflow device 45 is arranged at the tail end of the first exhaust duct 29, and a sewage pipe 46 is connected below the sewage backflow device 45.

Example 3:

as shown in fig. 13 to 15, the difference from embodiment 1 is that in embodiment 3, the table top dust cleaning device 4 includes a horizontal high-pressure gas pipe 47, the horizontal high-pressure gas pipe 47 is fixed in front of the table 5, a plurality of air outlet holes 48 are formed in the horizontal high-pressure gas pipe 47, an air outlet angle of the air outlet holes 48 is in a direction blowing toward the rear of the table top of the table 5 for cleaning dust on the table top, a left end of the horizontal high-pressure gas pipe 47 is of a closed structure, a right end of the horizontal high-pressure gas pipe 47 is connected to a second air switch 50 through a second air supply pipe 49, the second air switch 50 is disposed below the table 5, the second air switch 50 is connected to the oilless air pump 34 below the table 5 through a third air supply pipe 51, the right side below the table 5 is provided with an oilless air pump power switch 61, the oilless air pump 34 is connected to the oilless air pump power switch 61 through a fourth wire 35, and the dust containing particulate matter falls into the dust suction groove 19 after being cleaned by the horizontal high-pressure gas pipe 47, and enters the subsequent treatment procedure.

Example 4:

as shown in fig. 16, the difference from embodiment 3 is that in embodiment 4, a water sprayer 37 is additionally arranged on the first exhaust duct 29, a water sprayer power switch 38 is arranged on the right side below the workbench 5, a water pump 39 is arranged on the water sprayer 37, the water pump 39 is connected with the water sprayer power switch 38 through a second lead 40, the water sprayer 37 is provided with a water spray head 41 in the first exhaust duct 29, the water spray head 41 is connected with a first water pipe 42, the first water pipe 42 is connected with the water pump 39, the water pump 39 is connected with a second water pipe 43, and the second water pipe 43 is connected with a water storage tank 44; a sewage backflow device 45 is arranged at the tail end of the first exhaust duct 29, and a sewage pipe 46 is connected below the sewage backflow device 45.

Example 5:

as shown in fig. 17 to 19, the difference from embodiment 1 is that in embodiment 5, the dust removing device 2 is provided with a water filtering device 52, a second exhaust duct 53 and an exhaust fan 54, the water filtering device 52 is provided with a water filtering tank 55, one side of the water filtering tank 55 is connected with a third air suction duct 56, the other side of the water filtering tank 55 is connected with the second exhaust duct 53, the exhaust fan 54 is arranged at the end of the second exhaust duct 53, an exhaust fan power switch 57 is arranged below the workbench 5, the exhaust fan is connected with the exhaust fan power switch 57 through a third lead 58, the water filtering device 52 is provided with a maintenance door 59, and the maintenance door 59 is used for cleaning and water changing.

Example 6:

as shown in fig. 14 and 20-21, the difference from embodiment 5 is that in embodiment 6, the desktop dust cleaning device 4 includes a horizontal high-pressure gas pipe 47, the horizontal high-pressure gas pipe 47 is fixed in front of the workbench 5, a plurality of air outlet holes 48 are formed in the horizontal high-pressure gas pipe 47, an air outlet angle of the air outlet holes 48 is in a direction blowing toward the desktop of the workbench 5 for cleaning dust on the desktop, a left end of the horizontal high-pressure gas pipe 47 is of a closed structure, a right end of the horizontal high-pressure gas pipe 47 is connected to a second air switch 50 through a second air supply pipe 49, the second air switch 50 is disposed below the workbench 5, the second air switch 50 is connected to the oilless air pump 34 below the workbench 5 through a third air supply pipe 51, the right side below the workbench 5 is provided with an oilless air pump power switch 61, the oilless air pump 34 is connected to the oilless air pump power switch 61 through a fourth wire 35, and dust containing particulate matter falls into the main dust suction groove 19 after the horizontal high-pressure gas pipe 47 is cleaned by the high-pressure air pump and enters the subsequent processing procedure.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, for example, as a detachable connection or a connection in an integral structure; and may be electrically connected, as those skilled in the art will understand the specific meaning of the above terms in the present invention.

Claims (4)

1. The soil detection grinding dust treatment system is characterized by comprising a floor type fume hood body, a dust removal device, a gas emission device and a desktop dust cleaning device, wherein the dust removal device and the gas emission device are arranged at the rear part of the floor type fume hood body, a workbench is arranged in the middle of the floor type fume hood body, and the desktop dust cleaning device is arranged on the workbench.

2. The soil detecting and grinding dust disposal system of claim 1, wherein a lifting door is provided above the working platform in the middle of the floor type fume hood body, a side-by-side door is provided below the working platform, a standby power supply interface is provided on the left side below the working platform, a door handle is provided on the side-by-side door, a first fixed shaft and a second fixed shaft are provided on the upper rear side of the floor type fume hood body, the first fixed shaft and the second fixed shaft are fixed on the shaft base, pulleys are provided on the first fixed shaft and the second fixed shaft, steel wire ropes are provided on the pulleys, one ends of the steel wire ropes are connected with the lifting door, the other ends of the steel wire ropes are connected with a counterweight steel bar, the lifting door is composed of a frame and transparent glass, guide rails are provided on the left side and the right side of the floor type fume hood body, and the lifting door is clamped on the guide rails; a dust suction groove is formed in the rear side of the workbench, a suction hole is formed in the bottom of the dust suction groove, a suction channel is arranged below the suction hole, and the left end of the suction channel is of a closed structure; the rear panel of the floor type ventilation cabinet body is provided with ventilation holes.

3. A soil detection grinding dust disposal system as recited in claim 2, wherein said dust removal device is provided with a suction pump, a dust removal cloth bag device, a first suction pipe and a second suction pipe, the right end of said suction passage is connected to said first suction pipe, a suction pump power switch is provided on the right side below said table, said suction pump power switch is connected to said suction pump through a first wire, one side of said suction pump is connected to said dust removal cloth bag device through said second suction pipe, said dust removal cloth bag device is connected to the suction passage of said dust removal groove through said first suction pipe, and the other side of said suction pump is connected to a first exhaust pipe; the dust removal cloth bag is internally provided with an openable door for replacing the dust removal cloth bag;

the first exhaust pipeline directly leads to the outside;

or a water spraying device is additionally arranged on the first exhaust pipeline, a power switch of the water spraying device is arranged on the right side below the workbench, a water pump is arranged on the water spraying device, the water pump is connected with the power switch of the water spraying device through a second wire, a water nozzle is arranged in the first exhaust pipeline of the water spraying device, the water nozzle is connected with a first water pipe, the first water pipe is connected with the water pump, the water pump is connected with a second water pipe, and the second water pipe is connected with a water storage tank; the tail end of the first exhaust pipeline is provided with a sewage backflow device, and a sewage pipe is connected below the sewage backflow device;

or, dust collector is equipped with water filter equipment, second exhaust pipe and exhaust fan, water filter equipment is equipped with the water rose box, water rose box one side is connected with the third pipeline of breathing in, water rose box opposite side with second exhaust pipe is connected, the exhaust fan sets up the second exhaust pipe is terminal, the workstation below is provided with exhaust fan switch, the exhaust fan pass through the third wire with exhaust fan switch connects, water filter equipment is equipped with the maintenance door, the maintenance door is used for the clearance and trades the water usefulness.

4. A soil detection grinding dust handling system as set forth in claim 1,

the tabletop dust cleaning device comprises an air high-pressure gun, the air high-pressure gun is connected with an oil-free air pump arranged below a middle working platform of a floor type fume cupboard body through a first air supply pipeline, an oil-free air pump power switch is arranged on the right side below the working platform, the oil-free air pump is connected with the oil-free air pump power switch through a fourth conducting wire, and a first gas switch is arranged on the air high-pressure gun;

or, desktop dust cleaning device includes that high-pressure gas violently manages, high-pressure gas violently manages and fixes in workstation the place ahead, high-pressure gas violently manages and is equipped with a plurality of ventholes, the angle of giving vent to anger of venthole is for blowing to workstation desktop rear direction, the left end that high-pressure gas violently managed is enclosed construction, high-pressure gas violently manages the right-hand member through second air feed line connection second gas switch, second gas switch sets up the workstation below, second gas switch through third air feed line with the oil-free air pump of workstation below is connected, workstation below right side is provided with oil-free air pump switch, oil-free air pump through the fourth wire with oil-free air pump switch is connected.

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